CN207093877U - Electronic expansion valve body component and electric expansion valve - Google Patents

Electronic expansion valve body component and electric expansion valve Download PDF

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Publication number
CN207093877U
CN207093877U CN201720823202.5U CN201720823202U CN207093877U CN 207093877 U CN207093877 U CN 207093877U CN 201720823202 U CN201720823202 U CN 201720823202U CN 207093877 U CN207093877 U CN 207093877U
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CN
China
Prior art keywords
valve
hole
valve body
linkage section
expansion valve
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Active
Application number
CN201720823202.5U
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Chinese (zh)
Inventor
李炜
徐辉
朱家刚
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Chongqing super force electric appliance Co.,Ltd.
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Chongqing Chaoli Hi Tech Co Ltd
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Priority to CN201720823202.5U priority Critical patent/CN207093877U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The utility model discloses a kind of electronic expansion valve body component and electric expansion valve, is related to electronic expansion valve technology field.Electronic expansion valve body component includes valve port part, valve body, connecting seat and nut piece, valve port part offers valve opening, valve body includes valve seat linkage section and valve element linkage section, connecting seat is fixedly installed on valve element linkage section, nut piece is fixedly installed on the one end of connecting seat away from valve body, valve seat linkage section is provided with central through hole, and electronic expansion valve body component is used to be arranged at valve seat.Electric expansion valve includes valve seat, core assembly and electronic expansion valve body component.Valve port part is arranged at the center-aisle of valve seat, and the axis of valve opening overlaps with the axis of central through hole, and body portion is embedded at the center-aisle of valve seat, core assembly it is movable be arranged at nut piece.Its valve design is reasonable, it is simple in construction be easy to process, its electric expansion valve have control reaction speed is fast, control precisely, the advantages of adjustable range is wide.

Description

Electronic expansion valve body component and electric expansion valve
Technical field
It the utility model is related to electronic expansion valve technology field, more particularly to a kind of electricity being applied in automobile restricting element Sub- expansion valve, in particular to a kind of electronic expansion valve body component and electric expansion valve.
Background technology
Electric expansion valve is a kind of restricting element, in the systems at different levels of present domestic air conditioning, particularly convertible frequency air-conditioner Extensive use, expansion response valve is fast, flow adjustment range is wide, can be acted by default various regulations, realize refrigerant flow Automatically adjust operated so that air-conditioning system is remained under optimal operating mode.
However, existing heating power expansion valve mainly utilizes temperature-sensing element, mechanically opening for expansion valve is controlled Degree, control is slow in reacting, control accuracy is low for it.
In summary, how to design a kind of electric expansion valve of suitable air conditioning system for vehicle, realize control reaction speed it is fast, Control is accurate, adjustable range is wide, is those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of electronic expansion valve body component, and its valve design is reasonable, structure is simple List, it is easy to process, there is the advantages of control reaction speed is fast, control is accurate, adjustable range is wide.
The purpose of this utility model, which also resides in, provides a kind of electric expansion valve, has above-mentioned electronic expansion valve body component The advantages of, it can preferably improve above mentioned problem.
What embodiment of the present utility model was realized in:
Based on above-mentioned purpose, embodiment of the present utility model provides a kind of electronic expansion valve body component, including valve Mouth part, valve body, connecting seat and nut piece, the valve port part offers valve opening and the valve port part is used to be sealingly disposed in valve seat Center-aisle in, the valve body is revolving body and including valve seat linkage section and valve element linkage section, and the connecting seat is fixedly installed In the valve element linkage section, the nut piece is fixedly installed on one end of the remote valve body of the connecting seat;
The valve seat linkage section is provided with central through hole, and the electronic expansion valve body component causes institute after being arranged at valve seat State the axis of central through hole and the axis collinear of the valve opening.
In addition, the electronic expansion valve body component provided according to embodiment of the present utility model, can also have as follows Additional technical characteristic:
In optional embodiment of the present utility model, the valve seat linkage section includes the first external thread section and positioning section, For first external thread section relative to the positioning section away from the valve element linkage section, it is recessed that the positioning section circumferentially offers first Groove, first groove is used to be embedded sealing ring, for by valve seat and the valve seal.
In optional embodiment of the present utility model,
The valve body is additionally provided with locating flange, and the locating flange is circumferentially provided with least one pair of and clamps face, a pair It is described that to clamp face parallel and symmetrical relative to the central axis of the valve body;
The outside dimension of the locating flange, which is more than described in a pair, clamps the distance between face, is clamped described in a pair between face Distance be more than the positioning section diameter dimension.
In optional embodiment of the present utility model, the valve element linkage section is provided with multiple stepped holes, the multiple The axis of stepped hole overlaps with the axis of the central through hole, the valve element linkage section from be away from the valve seat linkage section to Close to the valve seat linkage section, the diameter dimension of the multiple stepped hole is sequentially reduced, and the stepped hole and the center Through hole connects.
In optional embodiment of the present utility model,
The stepped hole includes linkage section, and the linkage section is adjacent with the central through hole;
The connecting seat includes first paragraph and second segment, and the first paragraph is provided with first through hole, and the second segment is set There is the second through hole, the axis of the first through hole overlaps with the axis of second through hole, and the diameter of the first through hole is more than The diameter of second through hole;
One end interference of the remote first paragraph of the second segment is arranged at the linkage section, and the nut piece is arranged at In the first through hole and end face of the nut piece is engaged with the step surface of the first through hole.
In optional embodiment of the present utility model, the valve seat linkage section is additionally provided with balance pressure port, described flat Weigh the axis of pressure port and the diameter parallel of the central through hole, and the diameter dimension of the balance pressure port is less than the center The diameter of the diameter dimension of through hole, the diameter dimension of the central through hole and the needle being slidably arranged in the central through hole Size matches.
It is of the present utility model that embodiment further provides a kind of electric expansion valve, including valve seat, core assembly and electronics Expanding valve body component;
The valve seat includes first passage, second channel and the centre for connecting the first passage and the second channel Passage, the center-aisle include the first step hole, second step hole and the 3rd stepped hole that set gradually, described second Rank hole is provided with the first internal thread segment, and first internal thread segment can be connected with the first external thread section of the valve body;
The valve port part is fixedly installed at the 3rd stepped hole and the axis of the valve opening of the valve port part and the valve The axis of the central through hole of body overlaps, and the body portion is embedded at the center-aisle of the valve seat, and the core assembly can be transported The dynamic needle for being arranged at the nut piece and enabling the core assembly is worn from the central through hole and the valve opening successively Cross.
In optional embodiment of the present utility model, the nut piece is provided with the second internal thread, the core assembly Including screw rod, the screw rod is provided with second external screw thread in mating connection with second internal thread.
In optional embodiment of the present utility model, the 3rd stepped hole is provided with locating surface, the valve port part with The locating surface interference fit or welding seal the locating surface of the valve port part and the 3rd stepped hole.
In optional embodiment of the present utility model, the electric expansion valve is also coated on the core assembly Housing, the housing includes openend, and the openend can be connected with the outer surface of the valve element linkage section.
The beneficial effect of the utility model embodiment is:Valve body structure is simple, reasonable in design, and production process is few, Yi Jia Work, cost is relatively low, and electric expansion valve can be effectively improved that the control of existing heating power expansion valve is slow in reacting, control accuracy is low Problem.
Brief description of the drawings
, below will be to required in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment The accompanying drawing used is briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore The restriction to scope is not construed as, for those of ordinary skill in the art, is not paying the premise of creative work Under, other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram at a visual angle of the electronic expansion valve body component that the utility model embodiment 1 provides;
Fig. 2 is the schematic diagram at a visual angle of the valve port part in Fig. 1;
Fig. 3 is the schematic diagram at the first visual angle of the valve body in Fig. 1;
Fig. 4 is the schematic diagram at Fig. 3 the second visual angle;
Fig. 5 is the schematic diagram at a visual angle of connecting seat and nut piece in Fig. 1;
Fig. 6 is the schematic diagram at a visual angle of the electric expansion valve that the utility model embodiment 2 provides;
Fig. 7 is the schematic diagram at a visual angle of valve seat in Fig. 6;
Fig. 8 is the schematic diagram at a visual angle of core assembly in Fig. 6.
Icon:100- electronic expansion valve body components;10- valve port parts;102- valve openings;15- valve bodies;152- valve seats connect Section;The external thread sections of 1522- first;1524- positioning sections;The grooves of 1526- first;1528- sealing rings;153- central through holes;154- Balance pressure port;155- locating flanges;1553- clamps face;156- valve element linkage sections;1563- linkage sections;17- connecting seats;171- First paragraph;173- second segments;18- nut pieces;The internal threads of 183- second;200- electric expansion valves;21- valve seats;211- first ends Face;2113- center-aisles;2114- first steps hole;2116- second steps hole;The stepped holes of 2118- the 3rd;2119- blind holes; 213- first sides;2135- first passages;215- second sides;2155- second channels;26- core assemblies;263- screw rods; The external screw threads of 2635- second;266- needles;27- stator coils;28- housings.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shown So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.
Therefore, below the detailed description of the embodiment of the present utility model to providing in the accompanying drawings be not intended to limit will The scope of the utility model of protection is sought, but is merely representative of selected embodiment of the present utility model.Based on the utility model In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Mode, belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to which explanation, term " first ", " second ", " the 3rd " etc. are only used for area in description of the present utility model Divide description, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in utility model.
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by weighing Profit requires to limit and the multitude of different ways of covering is implemented.
Wherein Fig. 1-Fig. 5 corresponds to embodiment 1 of the present utility model, the corresponding embodiments of the present utility model of Fig. 6-Fig. 8 2, the technical scheme of the utility model embodiment is described in detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in figure 1, the utility model embodiment 1 provide electronic expansion valve body component 100 include valve port part 10, Valve body 15, connecting seat 17 and nut piece 18, wherein, valve port part 10 is used to be fixedly installed in valve seat 21, and valve body 15 being capable of portion Dividing the center-aisle 2113 for being embedded at valve seat 21, connecting seat 17 can be fixedly installed on one end of the remote valve seat 21 of valve body 15, Nut piece 18 can be arranged at one end of the remote valve body 15 of connecting seat 17.
Concrete structure to all parts of the electronic expansion valve body component 100 and mutual corresponding relation below It is described in detail.
It refer to shown in Fig. 2, valve port part 10 is revolving body, and the valve port part 10 is provided centrally with valve opening 102, for making valve The needle 266 of core assembly 26 penetrates,, can be with when needle 266 exits from the valve opening 102 so as to which the valve port is blocked Valve port is opened, so as to so that the intake channel of valve seat 21 connects with exit passageway.
Optionally, the valve port part 10 is used to be sealingly disposed in the center-aisle 2113 of valve seat 21, sealed set herein Can be interference fit, i.e., valve port part 10 is fitted in valve seat 21, or by the process of welding by valve port part 10 with Valve seat 21 is fixed, as long as ensureing contact surface gapless circumferential between valve port part 10 and valve seat 21.
It refer to shown in Fig. 3 and Fig. 4, optionally, valve body 15 is revolving meber, and the valve body 15 includes the He of valve seat linkage section 152 Valve element linkage section 156, wherein, valve seat linkage section 152 is provided with central through hole 153, and axis and the valve seat of the central through hole 153 connect The axis for connecing section 152 overlaps.
Optionally, the valve seat linkage section 152 be additionally provided with balance pressure port 154, the axis of the balance pressure port 154 with it is upper Stating the axis of central through hole 153 can be arranged in parallel, not parallel can also set, in the utility model embodiment 1, balance pressure The diameter dimension in power hole 154 is less than the diameter dimension of central through hole 153.
The central through hole 153 play the guiding role for the needle 266 of core assembly 26 so that needle 266 is along central through hole 153 It is axially moved, the balance pressure port 154 positioned at the side of central through hole 153 plays a part of balance pressure for core assembly 26.
Optionally, valve seat linkage section 152 includes the first external thread section 1522 and positioning section 1524, the first external thread section 1522 The first groove 1526 is offered away from valve element linkage section 156, the circumference of positioning section 1524 relative to positioning section 1524, this is first recessed Groove 1526 is used to be embedded sealing ring 1528, so as to which the opening of valve seat 21 and valve body 15 be sealed.
Optionally, valve body 15 is additionally provided with locating flange 155, and locating flange 155 is circumferentially provided with least one pair of and clamped Face 1553, clamp face 1553 for this pair and be arranged in parallel and symmetrical relative to the central axis of valve body 15.Certainly, can be more herein To clamping face 1553, do not limit, it is that can use specific purpose tool by valve body 15 by first to set the purpose for clamping face 1553 The cooperation of the internal thread segment of external thread section 1522 and first is arranged in valve seat 21, by clamping face 1553, ease of assembly or Dismounting, improve packaging efficiency.
Optionally, the outside dimension of locating flange 155 clamps the distance between face 1553 more than relative two, with respect to two The diameter dimension that the distance between face 1553 is more than positioning section 1524 is clamped, positioning is easy to implement, by valve by way of rotation Body 15 is screwed into the center-aisle 2113 of valve seat 21, and need not increase torsion element newly, easy to operate.Certainly, the locating flange 155 The other shapes such as protrusion, polygon are may be designed in, as long as the rotational positioning to valve body 15 can be realized.
Optionally, valve element linkage section 156 is provided with multiple stepped holes, axis and the central through hole 153 of the plurality of stepped hole Axis overlap, the one end for defining the remote valve seat linkage section 152 of valve element linkage section 156 is first end, valve element linkage section 156 One end close to valve seat linkage section 152 is the second end, and from first end to the second end, the diameter dimension of multiple stepped holes subtracts successively It is small, and the stepped hole connects with central through hole 153.
Optionally, it is linkage section 1563 to define the stepped hole adjacent with central through hole 153, and the linkage section 1563 is used for connecting Joint chair 17 is fixedly connected.
It refer to shown in Fig. 5, optionally, connecting seat 17 includes first paragraph 171 and second segment 173, wherein, first paragraph 171 First through hole is provided with, second segment 173 is provided with the second through hole, and the axis of first through hole overlaps with the axis of the second through hole, and The diameter of first through hole is more than the diameter of the second through hole.
One end interference of the remote first paragraph 171 of second segment 173 is arranged at above-mentioned linkage section 1563, so as to by connecting seat 17 It is fixedly connected with valve body 15.Optionally, nut piece 18 is arranged in the first through hole and end face of nut piece 18 and first through hole Step surface is engaged, i.e., the step surface between first through hole and the second through hole is used to install nut piece 18.
In embodiment 1 of the present utility model, connecting seat 17 is fixedly installed on valve element linkage section 156, and nut piece 18 is solid Surely one end of the remote valve body 15 of connecting seat 17 is arranged at, and valve port part 10 and valve body 15 are two separate parts.
Valve body 15 and nut piece 18 in the electronic expansion valve body component 100, nut piece 18 pass through connecting seat 17 and valve Body 15 connects, when the core assembly 26 inside nut piece 18 turns an angle in the presence of outside stator coil 27, Because the screw rod 263 and nut piece 18 of core assembly 26 are to use thread connecting mode, therefore while turning an angle, spiral shell Bar 263 drives the needle 266 of core assembly 26 in axial direction to move, so as to realize the valve of control needle 266 and valve port part 10 The distance in hole 102, so as to control the aperture of valve port part 10.
The electronic expansion valve body component 100 that the utility model embodiment 1 provides has an advantageous effect in that:
First, it is reasonable in design, simple in construction, the rotation of core assembly 26 is driven by electronic coil, due to the spiral shell being engaged Parent part 18 and screw rod 263 so that screw rod 263 realizes while rotating and be axially moved, and reaches that control reaction speed is fast, control essence Accurate, the advantages of adjustable range is wide.
2nd, the valve body 15 has guide function, it is not necessary to increases extra guiding parts, and valve port part 10 and valve seat 21 Cooperation at do not need sealing ring 1528 to seal, avoid sealing ring 1528 and be chronically in refrigerant environment, failure be present And the situation for causing the upper and lower valve pocket of valve seat 21 to connect, that is, avoid because the problem of sealing ring 1528 causes expansion valve to leak Phenomenon occur.
3rd, existing valve component is designed as separate valve port part 10 and valve body 15, makes its production process simple, Easy processing, production, produce moulding process simply, conveniently, and cost is relatively low.
Embodiment 2
The utility model embodiment 2 provides a kind of electric expansion valve 200, including valve seat 21, core assembly 26 and The electronic expansion valve body component 100 that embodiment 1 provides, is described as follows:
It refer to shown in Fig. 6 and Fig. 7, valve seat 21 includes first end face 211 and relative first side 213 and second side 215, wherein, first end face 211 is vertical with first side 213 and second side 215 respectively.First end face 211 is provided with centre Passage 2113, first passage 2135 is provided with first side 213, be provided with second channel 2155 in second side 215, first Passage 2135 is not located at approximately the same plane with second channel 2155, and first passage 2135 and second channel 2155 pass through center-aisle 2113 connections.
Optionally, first passage 2135 and second channel 2155 are shoulder hole, first passage 2135 to inlet tube Road connects, and for second channel 2155 to be connected with export pipeline, center-aisle 2113 is disposed through first end face 211, is used for It is embedded electronic expansion valve body component 100.
It is, of course, understood that according to different installation requirements, first passage 2135 can be put down with second channel 2155 Row is set, and not parallel can also be set, as long as meeting that first passage 2135 can be connected with inlet ductwork, the energy of second channel 2155 It is enough to be connected with export pipeline, and first passage 2135 is connected with second channel 2155 by center-aisle 2113.
Optionally, center-aisle 2113 includes first step hole 2114, the second step hole 2116 and the set gradually Three stepped holes 2118, wherein, it is provided with the remote second step hole 2116 of the 3rd stepped hole 2118 and axially extends a depthkeeping The blind hole 2119 of degree, the diameter in first step hole 2114 are more than the diameter in second step hole 2116, second step hole 2116 it is straight Footpath is more than the diameter of the 3rd stepped hole 2118, and the diameter of the 3rd stepped hole 2118 is more than the diameter dimension of blind hole 2119.
Optionally, first step hole 2114 is connected to the positioning section 1524 with valve body 15, second step hole 2116 The first internal thread segment is provided with, first internal thread segment is connected to the first external thread section 1522 with valve body 15.
Wherein, valve port part 10 is fixedly installed at the 3rd stepped hole 2118, has one between the valve port part 10 and valve body 15 Segment distance, just connected with first passage 2135, the valve opening 102 of valve port part 10 is located at the center of valve port part 10, the valve opening 102 axis overlaps with the axis of the central through hole 153 of valve body 15 so that the needle 266 of core assembly 26 can be from valve body 15 Central through hole 153 passes, and penetrates into valve opening 102.It is blind positioned at the one end in the remote first step hole 2114 of valve port part 10 Hole 2119, the blind hole 2119 just connect with second channel 2155.
This is optional, and locating surface is provided with the 3rd stepped hole 2118, in the utility model embodiment 2, valve port part 10 are interference fitted with locating surface or are sealed by the locating surface of the welding stepped hole 2118 of valve port part 10 and the 3rd.
When the first step hole 2114 of valve body 15 and valve seat 21 coordinates, the positioning of the valve seat linkage section 152 of the valve body 15 The first groove 1526 is provided with section 1524, first groove 1526 is to set sealing ring 1528, so as to by first step hole Intact, to avoid refrigerant from leaking outside situation generation is sealed at 2114.
It refer to shown in Fig. 8, optionally, nut piece 18 is internally provided with the second internal thread 183, and core assembly 26 includes Screw rod 263 and needle 266, it is engaged with the second internal thread 183 of nut piece 18, the second external screw thread is also equipped with screw rod 263 2635, to be connected with the second internal thread 183.
When the part of valve body 15 is embedded at the center-aisle 2113 of valve seat 21, the screw rod 263 of core assembly 26 can be vertically Motion is arranged at nut piece 18, while enables central through hole 153 and valve of the needle 266 successively from valve seat linkage section 152 The valve opening 102 of mouth part 10 passes through.
Optionally, the electric expansion valve 200 also includes stator coil 27 and the housing 28 being coated on core assembly 26, should Housing 28 includes openend, and the openend can be connected with the outer surface of valve element linkage section 156, and stator coil 27 is arranged In the outside of housing 28 and for driving core assembly 26 to move.
It should be noted that in the case where not conflicting, the feature in embodiment in the utility model can be mutual With reference to.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for For those skilled in the art, the utility model can have various modifications and variations.It is all in spirit of the present utility model and former Within then, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. a kind of electronic expansion valve body component, it is characterised in that described including valve port part, valve body, connecting seat and nut piece Valve port part offers valve opening and the valve port part and is used to be sealingly disposed in the center-aisle of valve seat, the valve body be revolving body and Including valve seat linkage section and valve element linkage section, the connecting seat is fixedly installed on the valve element linkage section, and the nut piece is fixed It is arranged at one end of the remote valve body of the connecting seat;
The valve seat linkage section is provided with central through hole, and the electronic expansion valve body component is arranged at after valve seat so that in described The axis collinear of the axis of heart through hole and the valve opening.
2. electronic expansion valve body component according to claim 1, it is characterised in that the valve seat linkage section includes first External thread section and positioning section, first external thread section is relative to the positioning section away from the valve element linkage section, the positioning Duan Zhouxiang offers the first groove, and first groove is used to be embedded sealing ring, for by valve seat and the valve seal.
3. electronic expansion valve body component according to claim 2, it is characterised in that the valve body is additionally provided with positioning mode Orchid, the locating flange are circumferentially provided with least one pair of and clamp face, and it is parallel and relative to the valve body that face is clamped described in a pair Central axis it is symmetrical;
The outside dimension of the locating flange, which is more than described in a pair, clamps the distance between face, clamped described in a pair between face away from From the diameter dimension more than the positioning section.
4. electronic expansion valve body component according to claim 2, it is characterised in that the valve element linkage section is provided with more Individual stepped hole, the axis of the multiple stepped hole overlap with the axis of the central through hole, the valve element linkage section from remote It is sequentially reduced in the valve seat linkage section to close to the valve seat linkage section, the diameter dimension of the multiple stepped hole, and institute Stepped hole is stated to connect with the central through hole.
5. electronic expansion valve body component according to claim 4, it is characterised in that the stepped hole includes linkage section, The linkage section is adjacent with the central through hole;
The connecting seat includes first paragraph and second segment, and the first paragraph is provided with first through hole, and the second segment is provided with Two through holes, the axis of the first through hole overlap with the axis of second through hole, and the diameter of the first through hole is more than described The diameter of second through hole;
One end interference of the remote first paragraph of the second segment is arranged at the linkage section, and the nut piece is arranged at described In the first through hole and end face of the nut piece is engaged with the step surface of the first through hole.
6. according to the electronic expansion valve body component described in claim 1-5 any one, it is characterised in that the valve seat connection Section is additionally provided with balance pressure port, and the diameter dimension of the balance pressure port is less than the diameter dimension of the central through hole, described The diameter dimension of needle of the diameter dimension of central through hole with being slidably arranged in the central through hole matches.
7. a kind of electric expansion valve, it is characterised in that including described in valve seat, core assembly and claim 1-6 any one Electronic expansion valve body component;
The valve seat includes first passage, second channel and the centre of the connection first passage and the second channel and led to Road, the center-aisle include first step hole, second step hole and the 3rd stepped hole set gradually, the second step Hole is provided with the first internal thread segment, and first internal thread segment can be connected with the first external thread section of the valve body;
The valve port part is fixedly installed at the 3rd stepped hole and the axis of the valve opening of the valve port part and the valve body The axis of central through hole overlaps, and the body portion is embedded at the center-aisle of the valve seat, and the core assembly is movable It is arranged at the nut piece and the needle of the core assembly is passed through successively from the central through hole and the valve opening.
8. electric expansion valve according to claim 7, it is characterised in that the nut piece is provided with the second internal thread, institute Stating core assembly includes screw rod, and the screw rod is provided with second external screw thread in mating connection with second internal thread.
9. electric expansion valve according to claim 7, it is characterised in that the 3rd stepped hole is provided with locating surface, institute Stating valve port part and locating surface interference fit or welding seals the locating surface of the valve port part and the 3rd stepped hole.
10. according to the electric expansion valve described in claim 7-9 any one, it is characterised in that the electric expansion valve also wraps The housing being coated on the core assembly is included, the housing includes openend, and the openend can be connected with the valve element The outer surface of section is connected.
CN201720823202.5U 2017-07-07 2017-07-07 Electronic expansion valve body component and electric expansion valve Active CN207093877U (en)

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Application Number Priority Date Filing Date Title
CN201720823202.5U CN207093877U (en) 2017-07-07 2017-07-07 Electronic expansion valve body component and electric expansion valve

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Application Number Priority Date Filing Date Title
CN201720823202.5U CN207093877U (en) 2017-07-07 2017-07-07 Electronic expansion valve body component and electric expansion valve

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CN207093877U true CN207093877U (en) 2018-03-13

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397558A (en) * 2018-05-14 2018-08-14 浙江中宝自控元件有限公司 A kind of high cooperation precision electric valve
CN110836270A (en) * 2018-08-17 2020-02-25 浙江盾安禾田金属有限公司 Electronic expansion valve
CN112901791A (en) * 2019-12-04 2021-06-04 伊希欧1控股有限公司 Expansion valve
EP3832229A1 (en) * 2019-12-04 2021-06-09 ECO Holding 1 GmbH Expansion valve
JP2022079592A (en) * 2018-08-17 2022-05-26 浙江盾安人工環境股▲ふん▼有限公司 Electronic expansion valve

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397558A (en) * 2018-05-14 2018-08-14 浙江中宝自控元件有限公司 A kind of high cooperation precision electric valve
CN108397558B (en) * 2018-05-14 2024-06-07 浙江中宝自控元件有限公司 High-fit-precision electric valve
CN110836270A (en) * 2018-08-17 2020-02-25 浙江盾安禾田金属有限公司 Electronic expansion valve
CN110836270B (en) * 2018-08-17 2021-09-28 浙江盾安禾田金属有限公司 Electronic expansion valve
JP2022079592A (en) * 2018-08-17 2022-05-26 浙江盾安人工環境股▲ふん▼有限公司 Electronic expansion valve
JP7369816B2 (en) 2018-08-17 2023-10-26 浙江盾安人工環境股▲ふん▼有限公司 electronic expansion valve
CN112901791A (en) * 2019-12-04 2021-06-04 伊希欧1控股有限公司 Expansion valve
EP3832229A1 (en) * 2019-12-04 2021-06-09 ECO Holding 1 GmbH Expansion valve
CN112901791B (en) * 2019-12-04 2023-04-28 伊希欧1控股有限公司 Expansion valve

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Patentee before: CHONGQING CHAOLI HI-TECH Co.,Ltd.