CN115076383A - Air valve and ventilation system - Google Patents

Air valve and ventilation system Download PDF

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Publication number
CN115076383A
CN115076383A CN202110267864.XA CN202110267864A CN115076383A CN 115076383 A CN115076383 A CN 115076383A CN 202110267864 A CN202110267864 A CN 202110267864A CN 115076383 A CN115076383 A CN 115076383A
Authority
CN
China
Prior art keywords
air
frame
air valve
valve
disposed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110267864.XA
Other languages
Chinese (zh)
Inventor
徐宏江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dachang Sende Hvac Equipment Co ltd
Zehnder Group International AG
Original Assignee
Dachang Sende Hvac Equipment Co ltd
Zehnder Group International AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dachang Sende Hvac Equipment Co ltd, Zehnder Group International AG filed Critical Dachang Sende Hvac Equipment Co ltd
Priority to CN202110267864.XA priority Critical patent/CN115076383A/en
Publication of CN115076383A publication Critical patent/CN115076383A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/222—Shaping of the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/224—Details of bearings for the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
    • F16K31/055—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation for rotating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention provides an air valve and a ventilation system, relates to the technical field of valves, and is used for solving the problems of occupying indoor and outdoor space and being complicated to install when the air valve is installed; the support frame also comprises at least two elastic support rods, and the free end of each elastic support rod is configured to be abutted against the inner wall of the air pipe so as to fix the support frame in the air pipe. The ventilation system comprises an air pipe and the air valve installed in the air pipe. The air valve and the ventilation system are used for being installed in the air pipe.

Description

Air valve and ventilation system
Technical Field
The invention relates to the technical field of valves, in particular to an air valve and a ventilation system.
Background
The air valve is an indispensable end fitting in ventilation, air conditioning and air purification projects of industrial factory buildings and civil buildings, is used for adjusting the air quantity of an air pipe, and can also be used for mixed adjustment of fresh air and return air and the like. The air valve is usually installed between two sections of air pipes or on a certain wall, and the air valve is usually fixed by bolts or screws through flanges or adopts an adhesive process, so that the installation of the air valve is complicated and large indoor and outdoor space is occupied.
Disclosure of Invention
In view of the above problems, embodiments of the present invention provide an air valve and a ventilation system, which are used to solve the problems of complicated installation of the air valve and occupation of indoor and outdoor spaces.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a first aspect of an embodiment of the present invention provides an air valve, which includes a support frame and a valve sheet, wherein the support frame includes a support main body, the support main body has an air opening, the valve sheet is disposed in the support main body, and the valve sheet is configured to open or close the air opening and adjust an opening degree of the air opening; the support frame also comprises at least two elastic support rods, and the free end of each elastic support rod is configured to be abutted against the inner wall of the air pipe so as to fix the support frame in the air pipe.
Compared with the prior art, the air valve provided by the embodiment of the invention has the following advantages:
according to the air valve provided by the embodiment of the invention, the air opening is formed in the bracket main body, the valve plate is arranged on the bracket main body, and the valve plate can open or close the air opening and adjust the opening of the air opening so as to adjust the air quantity and open or close the air pipe; and the support frame includes two at least elastic support rods, and this makes in the in-process of using the blast gate, only needs to set up the support frame in the blast pipe of installation blast gate for each elastic support rod supports and leans on the inner wall of tuber pipe, can realize installing the blast gate in the inside of tuber pipe, need not occupy the space outside the blast pipe, and the installation of blast gate is simple and convenient.
In some embodiments, the support body is a circular frame, the support frame further includes a semicircular first frame strip, two ends of the first frame strip are respectively disposed on the circular frame, a center of the first frame strip coincides with a center of the circular frame, and the first frame strip is provided with two elastic support rods disposed oppositely.
In some embodiments, the stent main body is a circular ring-shaped frame, and each elastic support rod is arranged on the end face of the circular ring-shaped frame.
In some embodiments, the side wall of the elastic stay is further provided with an abutting projection, and the abutting projection is located on the radial outer side of the circular ring-shaped frame.
In some embodiments, the support frame further includes a second semi-circular frame strip, two ends of the second frame strip are respectively disposed on the circular frame, and a center of the second frame strip coincides with a center of the circular frame.
In some embodiments, the stent body comprises a first swivel hole and a second swivel hole arranged oppositely; one end of the valve plate is provided with a rotating shaft which is inserted in the first rotating hole; the other end of the valve plate is provided with a driving shaft, the driving shaft and the rotating shaft have the same axial lead, and the driving shaft is arranged in the second rotating hole.
In some embodiments, the second frame strip is provided with a first limiting part, the first limiting part is a first convex rib or a first boss, the bracket main body is provided with a second limiting part, and the second limiting part is a second convex rib or a second boss; the valve block rotates between first spacing portion and second are spacing, rotates the first spacing portion of butt when the valve block, and the wind gap is opened, rotates the spacing portion of butt second when the valve block, and the wind gap is closed.
In some embodiments, the bracket main body is provided with a mounting cavity, and a control mechanism is arranged in the mounting cavity and connected with the driving shaft; the support frame still includes the apron, and the apron closing cap installation cavity.
In some embodiments, the outer side wall of the support frame is provided with an annular groove, the annular groove surrounds the air port, and a sealing ring is installed in the annular groove and abuts against the inner wall of the air pipe.
In some embodiments, the annular groove comprises a first groove section disposed on the bracket body and a second groove section disposed on the cover plate, the first groove section and the second groove section being spliced to form the annular groove.
In some embodiments, the damper further comprises a control device and a detection device; the supporting frame is also provided with a mounting groove, a detection device is arranged in the mounting groove, and the detection device is used for detecting airflow parameters in the air duct; the control mechanism comprises a motor, the control device is in communication connection with the detection device and the motor, and the control device is used for controlling the motor to be started and stopped according to a detection result of the detection device.
A second aspect of an embodiment of the present invention provides a ventilation system, which includes an air duct and the air valve in any one of the above embodiments, wherein the air valve is inserted into the air duct.
In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the air valve and the ventilation system provided by the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is an exploded view of a damper according to an embodiment of the present invention;
FIG. 2 is a first schematic structural diagram of an air valve according to another embodiment of the present invention;
FIG. 3 is a second schematic structural view of an air valve according to another embodiment of the present invention;
FIG. 4 is a third schematic structural view of an air damper according to another embodiment of the present invention;
FIG. 5 is a fourth schematic structural view of an air damper according to another embodiment of the present invention;
FIG. 6 is a fifth schematic structural view of an air valve according to another embodiment of the present invention;
FIG. 7 is a sixth schematic structural view of an air valve according to another embodiment of the present invention;
FIG. 8 is a seventh schematic structural view of an air valve according to another embodiment of the present invention;
FIG. 9 is a first schematic view showing a ventilation system according to an embodiment of the present invention installed in a wall;
FIG. 10 is a second schematic structural view of a ventilation system according to an embodiment of the present invention installed in a wall;
FIG. 11 is a schematic structural view of a ventilation system according to an embodiment of the present invention;
FIG. 12 is a third schematic structural view of a ventilation system according to an embodiment of the present invention installed in a wall body;
fig. 13 is a schematic structural diagram eight of an air valve according to another embodiment of the invention;
FIG. 14 is a schematic structural view of an air valve according to an embodiment of the present invention;
FIG. 15 is an exploded view of a damper according to yet another embodiment of the present invention;
FIG. 16 is a first schematic structural diagram of an air valve according to yet another embodiment of the present invention;
fig. 17 is a second schematic structural view of an air valve according to another embodiment of the present invention.
Description of reference numerals:
100: a support frame; 101: a stent body;
102: a tuyere; 103: a first rotary hole;
104: a second rotary hole; 105: a mounting seat;
106: a mounting cavity; 107: a cover plate;
108: an annular groove; 109: a seal ring;
110: a first groove section; 111: a second groove segment;
112: an elastic stay bar; 113: a first frame strip;
114: an abutment projection; 115: a second frame strip;
116: a first limiting part; 117: a second limiting part;
200: a valve plate; 201: a rotating shaft;
300: an operating mechanism; 301: a drive shaft;
302: a gear; 303: an operation block;
304: a cantilever; 305: clamping teeth;
306: a motor; 307: mounting a plate;
308: mounting a boss; 400: a control device;
500: a wire harness.
Detailed Description
The air valve of the related art is usually installed between two sections of air pipes or on a wall, and is usually fixed by bolts or screws through flanges or adopts an adhesive process, so that the installation of the air valve is cumbersome and occupies a large indoor or outdoor space. Therefore, the embodiment of the invention provides an air valve and a ventilation system comprising the air valve, wherein the air valve comprises a support frame and a valve plate, the valve plate is rotatably connected with a support main body of the support frame to realize the opening and closing of the air valve and the opening adjustment of the air valve, the support frame is arranged in an air pipe through at least two elastic support rods arranged on the support frame, the air valve is prevented from occupying indoor and outdoor space, and the air valve is simple and convenient to install.
In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The air valve provided by the embodiment of the invention can be arranged in an air pipe so as to control whether air flow in the air pipe circulates or not and control the flow rate of the air flow, wherein the air pipe for installing the air valve can be pre-embedded, pre-installed and installed in a wall body at present.
Referring to fig. 1, 2, 3 and 4, the air valve includes a support frame 100 and a valve plate 200, the support frame 100 includes a support frame main body 101, an air opening 102 is disposed on the support frame main body 101, the support frame main body 101 is annular, the valve plate 200 is disposed in the support frame main body 101, the valve plate 200 is movable relative to the support frame 100, and the valve plate 200 is configured to open or close the air opening 102 and adjust an opening of the air opening 102, so as to open or close the air valve and adjust the opening of the air valve.
After the air valve is installed in the air pipe, the outer side wall of the bracket main body 101 is matched with the inner side wall of the air pipe, the shape of the bracket main body 101 can be circular, rectangular and the like, and the shape of the bracket main body 101 can be selected according to the shape of the air pipe on which the air valve is installed.
According to the air valve provided by the embodiment of the invention, when the working environment of the air valve has no special requirements, the support frame 100 and the valve plate 200 of the air valve can be made of metal materials, alloy materials or plastic materials.
The valve plate 200 can be extended and retracted relative to the bracket body 101 to open or close the air valve and adjust the opening of the air valve.
For example, the valve plate 200 may include a fixed plate and a movable plate inserted into the fixed plate, the size of the movable plate inserted into the fixed plate may be adjusted, when the movable plate is fully inserted into the fixed plate, at this time, the tuyere 102 is opened, when the movable plate extends out of the fixed plate, at this time, the tuyere 102 is opened, and furthermore, adjusting the size of the movable plate extending out of the fixed plate may adjust the opening degree of the tuyere 102, when the movable plate extends out of the fixed plate by a limit size, the tuyere 102 is fully opened, so as to open or close the air valve, and adjust the opening degree of the air valve.
The valve plate 200 can also rotate relative to the bracket body 101 to open or close the air valve and adjust the opening of the air valve.
Referring to fig. 1, 5 and 6, the bracket main body 101 includes a first rotating hole 103 and a second rotating hole 104 which are oppositely arranged, a center line of the first rotating hole 103 coincides with a center line of the second rotating hole 104, one end of the valve plate 200 is provided with a rotating shaft 201, and the rotating shaft 201 is inserted into the first rotating hole 103; the other end of the valve plate 200 is provided with a driving shaft 301, the driving shaft 301 and the rotating shaft 201 are coaxial, and the driving shaft 301 is installed in the second rotating hole 104 and extends out of the second rotating hole 104. When the valve plate 200 needs to be controlled to rotate, the driving shaft 301 drives the valve plate 200 to rotate around the axial line of the driving shaft 301 and the rotating shaft 201, so that the valve plate 200 opens or closes the outlet and the opening of the air inlet 102 is adjusted.
Referring to fig. 6, the damper of the embodiment of the invention further includes a control mechanism 300, and the control mechanism 300 is configured to rotate the driving shaft 301. The steering mechanism 300 may rotate the driving shaft 301 manually or may rotate the driving shaft 301 electrically.
In the embodiment shown in fig. 6, 7 and 8, the steering mechanism 300 further comprises a gear 302 and an operating block 303, the operating block 303 is provided with two cantilevers 304, and the gear 302 is located between the two cantilevers 304. Each cantilever 304 is provided with a latch 305 facing the other cantilever 304, the latch 305 is clamped in a tooth groove of the gear 302, when the external force acts on the operation block 303 to rotate, the operation block 303 drives the gear 302 to rotate, and then drives the driving shaft 301 arranged on the gear 302 to rotate, and the driving shaft 301 rotates to drive the valve plate 200 to rotate relative to the support frame 100, so that the opening or closing of the air valve and the adjustment of the opening degree of the air valve are realized.
In the embodiment shown in fig. 4, the control mechanism 300 further includes a motor 306, an output shaft of the motor 306 forms the driving shaft 301, and after the motor 306 is started, the output shaft of the motor 306 drives the valve plate 200 to rotate relative to the support frame 100, so as to open or close the air valve and adjust the opening of the air valve.
In the embodiment shown in fig. 15, 16 and 17, the steering mechanism 300 further comprises a mounting plate 307 and a mounting boss 308, the driving shaft 301 being provided on one side of the mounting plate 307 and the mounting boss 308 being provided on the other side of the mounting plate 307. The driving shaft 301, the mounting plate 307 and the mounting protrusion 308 may be an integral structure and are made of an elastomer, such as styrene butadiene rubber, isoprene rubber, ethylene propylene rubber, butyl rubber, chloroprene rubber and nitrile rubber. When the valve plate 200 needs to be controlled to rotate, an external force is applied to the valve plate 200, the valve plate 200 drives the rotating shaft 201 to rotate in the first rotating hole 103 and drives the driving shaft 301 to rotate in the second rotating hole 104, so that the valve plate 200 opens or closes the outlet and the opening of the air outlet 102 is adjusted, and after the valve plate 200 stops rotating, the valve plate 200 is kept at the position where the valve plate stops rotating due to damping between the driving shaft 301 and the hole wall of the second rotating hole 104.
Referring to fig. 1, 10, 11 and 12, the air valve further includes a control device 400 and a detection device, the detection device is used for detecting an airflow parameter in the air duct, the detection device may be a flow sensor for detecting an airflow flow in the air duct, or a temperature sensor for detecting an airflow temperature in the air duct, or a humidity sensor for detecting an airflow humidity in the air duct, and the detection device may be selectively installed according to different installation environments. The control device 400 is in communication connection with the detection device and the motor 306, and the control device 400 can control the motor 306 to start and stop according to the detection result of the detection device, so that the automatic control of the opening or closing of the air valve and the adjustment of the opening degree can be realized.
Referring to fig. 1 and 12, in the air valve according to the embodiment of the present invention, the control device 400 may be connected to the detection device and the motor 306 through a wire harness 500, and the control device 400 may be disposed outside the supporting frame 100, for example, an air duct for installing the air valve is disposed in a wall, at this time, the motor 306 is disposed in the air duct, the control device 400 is disposed on the wall, and the control device 400 is exposed indoors or outdoors, which is beneficial for maintenance. The detection device may be disposed in a mounting groove provided on the support stand 100.
Referring to fig. 6, in the damper according to the embodiment of the invention, the operating mechanism 300 may be installed in the bracket main body 101, the bracket main body 101 has an installation seat 105, the installation seat 105 is provided with an installation cavity 106 recessed into the air inlet 102, an opening of the installation cavity 106 faces to a radial outer side of the bracket main body 101, for example, in fig. 5, an opening of the installation cavity 106 faces downward, in fig. 7 and 8, an opening of the installation cavity 106 faces upward, and the operating mechanism 300 is installed in the installation cavity 106.
The second rotary hole 104 is arranged at the bottom of the installation cavity 106, and the driving shaft 301 of the control mechanism 300 extends into the tuyere 102 from the second rotary hole 104 and is further connected with the other end of the valve plate 200 arranged in the tuyere 102.
Referring to fig. 1 and 6, the supporting frame 100 further includes a cover plate 107, and the cover plate 107 covers the mounting cavity 106 to protect the operating mechanism 300 installed in the mounting cavity 106.
Referring to fig. 1 and 9, in the air valve according to the embodiment of the present invention, an annular groove 108 is disposed on an outer side wall of the support frame 100, which is matched with an inner wall of the air duct, the annular groove 108 is disposed around an outer side of the air opening 102, a sealing ring 109 is disposed in the annular groove 108, and the sealing ring 109 abuts against the inner wall of the air duct, so that the support frame 100 is sealingly mounted in the air duct.
Referring to fig. 1, the annular groove 108 includes a first groove section 110 disposed on the support frame 100 and a second groove section 111 disposed on the cover plate 107, and the first groove section 110 and the second groove section 111 are joined to form the annular groove 108, so that the position where the support frame 100 contacts the air duct and the position where the cover plate 107 contacts the air duct are both sealed.
Referring to fig. 5, 6, 7, 8, 13 and 14, the support frame 100 further includes at least two elastic support rods 112, each elastic support rod 112 is configured to abut against an inner wall of the air duct to which the air damper is mounted, so as to fix the support frame in the air duct. When the air valve needs to be installed in the air pipe, the support frame, the valve plate 200 arranged on the support frame, the control mechanism 300 and the detection device are arranged in the air pipe, and the elastic support rod 112 is abutted to the inner wall of the air pipe, so that the air valve can be installed in the air pipe.
In the air valve according to the embodiment of the invention, the number of the elastic support rods 112 may be two, and when the number of the elastic support rods 112 is two, the two elastic support rods 112 surround the air inlet 102 and are approximately oppositely arranged, so that the support frame 100 can be reliably installed in the air pipe by the elastic support rods 112. The number of the elastic supporting rods 112 may be three or more, when the number of the elastic supporting rods 112 is three or more, the three or more elastic supporting rods 112 may surround the tuyere 102 and be uniformly arranged, or the three or more elastic supporting rods 112 may surround the tuyere 102 and two of the elastic supporting rods 112 are substantially oppositely arranged.
Referring to fig. 1 and 14, in the air valve according to the embodiment of the present invention, the bracket main body 101 is a circular ring-shaped frame, the supporting frame 100 may further include a semicircular first frame strip 113, two ends of the first frame strip 113 are respectively disposed on the circular ring-shaped frame, a circle center of the first frame strip 113 coincides with a circle center of the circular ring-shaped frame, and a diameter of the first frame strip 113 is equal to a diameter of the circular ring-shaped frame. The first frame strip 113 not only facilitates taking the air valve, but also can increase the strength of the support frame 100.
Referring to fig. 14, two elastic support rods 112 are disposed on the first frame strip 113. The elastic support rods can be integrated with the first frame strip 113, and the two elastic support rods 112 are close to two ends of the first frame strip 113.
Referring to fig. 13, each of the elastic support rods 112 may also be disposed on an end surface of the circular frame, the number of the elastic support rods 112 is, for example, three, and three elastic support rods 112 are disposed at three bisectors of the quartering points of the supporting frame 100.
Referring to fig. 14, the sidewall of the elastic supporting rod 112 is further provided with an abutting protrusion 114, and the abutting protrusion 114 is located at the radial outer side of the circular frame. When the support bracket 100 is installed in the air duct, the abutment protrusion 114 abuts against the inner side wall of the air duct.
Referring to fig. 14, in the air valve according to the embodiment of the present invention, the supporting frame 100 may further include a second semi-circular frame strip 115, two ends of the second frame strip 115 are respectively disposed on the circular frame, a center of the second frame strip 115 coincides with a center of the circular frame, and a diameter of the second frame strip 115 is equal to a diameter of the circular frame. The second frame strip 115 not only facilitates taking the air valve, but also can increase the strength of the support frame 100.
Referring to fig. 14, the first frame strips 113 and the second frame strips 115 are disposed in a staggered manner, and the middle points of the first frame strips 113 and the second frame strips 115 intersect each other, so that the included angle between the first frame strips 113 and the second frame strips 115 can be 90 °, and thus the strength of the supporting frame 100 can be increased.
Referring to fig. 5, 7 and 14, a first limiting portion 116 is disposed on the second frame strip 115, the first limiting portion 116 is disposed on an inner sidewall of the second frame strip 115, the inner sidewall of the second frame strip 115 faces the air inlet 102, the first limiting portion 116 is a first convex rib or a first boss, a second limiting portion 117 is disposed on the bracket main body 101, the second limiting portion 117 is disposed on the inner sidewall of the bracket main body 101, the second limiting portion 117 is disposed in the air inlet 102, the second limiting portion 117 is a second convex rib or a second boss, the valve plate 200 rotates between the first limiting portion 116 and the second limiting portion, when the valve plate 200 rotates to abut against the first limiting portion 116, the air inlet 102 is opened, and when the valve plate 200 rotates to abut against the second limiting portion 117, the air inlet 102 is closed. The valve plate 200 rotates between the first and second stoppers 116 and 117, and the rotation angle range of the valve plate 200 may be 90 °.
According to the air valve provided by the embodiment of the invention, when the air valve needs to be replaced, the old air valve can be taken out from the air pipe, and then the new air valve is installed in the air pipe from the port of the air pipe again; when the air valve needs to be maintained, hands and maintenance tools can be directly inserted into the air pipe from the port of the air pipe, the air valve is maintained, the air valve to be maintained can be taken out of the air pipe and then maintained, and after the maintenance is finished, the maintained air valve is installed in the air pipe again.
When the air valve is installed in the air pipe, the air valve only occupies the space in the air pipe, does not occupy indoor and outdoor space, can be attractive in appearance, does not need to be installed indoors through screw punching and the like, can reduce construction workload, improves installation efficiency, and is convenient to replace.
The air valve provided by the embodiment of the invention can be preassembled with the air pipe to be used together as a whole, can also be used independently, and is assembled in the air pipe to be installed when in use.
According to the air valve provided by the embodiment of the invention, the control device 400 is connected with the detection device and the motor 306 through the wiring harness 500, the installation position of the control device 400 can be installed according to actual needs, the air valve does not need to be arranged in a wall, and the application scene of the air valve is wider.
The ventilation system of the embodiment of the invention comprises the air pipe and the air valve in any one of the above embodiments, and the air valve is inserted in the air pipe, so that the installation of the air valve does not occupy the indoor space and only occupies the space in the air pipe.
In the present specification, each embodiment or implementation mode is described in a progressive manner, and the emphasis of each embodiment is on the difference from other embodiments, and the same and similar parts between the embodiments may be referred to each other.
In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (12)

1. The air valve is characterized by comprising a support frame and a valve plate, wherein the support frame comprises a support main body, the support main body is provided with an air opening, the valve plate is arranged in the support main body, and the valve plate is configured to open or close the air opening and adjust the opening degree of the air opening;
the supporting frame further comprises at least two elastic support rods, and the free end of each elastic support rod is configured to abut against the inner wall of the air pipe so as to fix the supporting frame in the air pipe.
2. The air valve according to claim 1, wherein the bracket body is a circular ring-shaped frame, the supporting frame further comprises a semicircular first frame strip, two ends of the first frame strip are respectively disposed on the circular ring-shaped frame, a circle center of the first frame strip coincides with a circle center of the circular ring-shaped frame, and the first frame strip is provided with two elastic support rods which are oppositely disposed.
3. The blast gate valve according to claim 1, wherein said bracket body is a circular ring frame, and said elastic support rods are disposed on the end surface of said circular ring frame.
4. The air valve according to claim 2 or 3, wherein the side wall of the elastic stay is further provided with an abutting projection, and the abutting projection is located at the radial outer side of the circular ring-shaped frame.
5. The air valve according to claim 2 or 3, wherein the support frame further comprises a second semi-circular frame strip, two ends of the second frame strip are respectively arranged on the circular frame, and the circle center of the second frame strip coincides with the circle center of the circular frame.
6. The blast gate valve according to claim 5, wherein said bracket body comprises a first rotary hole and a second rotary hole which are oppositely arranged;
one end of the valve plate is provided with a rotating shaft, and the rotating shaft is inserted into the first rotating hole; the other end of the valve plate is provided with a driving shaft, the driving shaft and the rotating shaft are coaxial, and the driving shaft is installed in the second rotating hole.
7. The air valve according to claim 6, wherein the second frame strip is provided with a first limiting portion which is a first convex rib or a first boss, the bracket body is provided with a second limiting portion which is a second convex rib or a second boss;
the valve block is in first spacing portion with rotate between the second is spacing, works as the valve block rotates the butt first spacing portion, the wind gap is opened, works as the valve block rotates the butt the spacing portion of second, the wind gap is closed.
8. The air valve according to claim 6, wherein the bracket body has a mounting cavity, and an operating mechanism is arranged in the mounting cavity and connected with the driving shaft;
the support frame also comprises a cover plate, and the cover plate covers the installation cavity.
9. The air valve according to claim 8, wherein the outer side wall of the supporting frame is provided with an annular groove, the annular groove surrounds the air port, and a sealing ring is arranged in the annular groove and abuts against the inner wall of the air pipe.
10. The damper of claim 9, wherein the annular groove comprises a first groove segment disposed on the poppet body and a second groove segment disposed on the cover plate, the first and second groove segments being joined to form the annular groove.
11. The damper according to claim 8, further comprising a control device and a detection device;
the supporting frame is also provided with a mounting groove, the detection device is arranged in the mounting groove, and the detection device is used for detecting airflow parameters in the air duct;
the control mechanism comprises a motor, the control device is in communication connection with the detection device and the motor, and the control device is used for controlling the motor to be started and stopped according to a detection result of the detection device.
12. A ventilation system comprising an air duct and an air valve as claimed in any one of claims 1 to 11, said air valve being inserted into said air duct.
CN202110267864.XA 2021-03-12 2021-03-12 Air valve and ventilation system Pending CN115076383A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110267864.XA CN115076383A (en) 2021-03-12 2021-03-12 Air valve and ventilation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110267864.XA CN115076383A (en) 2021-03-12 2021-03-12 Air valve and ventilation system

Publications (1)

Publication Number Publication Date
CN115076383A true CN115076383A (en) 2022-09-20

Family

ID=83241106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110267864.XA Pending CN115076383A (en) 2021-03-12 2021-03-12 Air valve and ventilation system

Country Status (1)

Country Link
CN (1) CN115076383A (en)

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