CN218000436U

CN218000436U - Air exhaust valve

Info

Publication number: CN218000436U
Application number: CN202222067387.5U
Authority: CN
Inventors: 赖绍坚
Original assignee: Emaux Zhongshan Swimming Pool Equipment Co ltd
Current assignee: Emaux Zhongshan Swimming Pool Equipment Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-09
Anticipated expiration: 2032-08-05

Abstract

An exhaust valve, includes valve body, case and manometer, wherein: a communicating hole communicated with the container and a valve core hole which is vertically communicated with the communicating hole and has a smaller aperture than the communicating hole are vertically arranged on the valve body; the valve body is transversely provided with an air pressure detection hole and a transverse exhaust hole communicated with the middle part of the valve core hole; the lower part of the valve core hole is provided with a narrow-opening air blocking hole; a transition channel for communicating the communicating hole with the air pressure detecting hole is arranged in the valve body; the valve core is screwed into the valve core hole through threaded connection; a handle used for rotating the valve core to control the communication or separation of the air blocking hole and the exhaust hole is arranged on the valve core; a limit structure for limiting the rotation amplitude of the valve core is arranged between the handle and the valve body; the gauge shaft of the pressure gauge is arranged in the air pressure detection hole. The utility model has more reasonable structure and safer and more reliable use.

Description

Air outlet valve

Technical Field

The utility model relates to an exhaust valve for on pond equipment.

Background

It is known that in the ponds for fish and marine life, filtering containers (such as filtering sand jars, paper core jars, etc.) are required to filter the dirt such as excrement in the water and then return the filtered dirt to the pond. Such a filter container is a pressure container, and when the air pressure in the container reaches a certain level, an exhaust treatment is required, and for this purpose, an exhaust valve and a pressure gauge are required to be provided in the container.

Currently, the exhaust valve and the pressure gauge of a part of the filtering container are separated (namely, are respectively arranged at different positions on the upper part of the container), and the exhaust port is upward, so that a human body is easily injured or water is easily sprayed on the human body; in addition, during installation or operation, some is inconvenient, and the pressure control is not accurate when the pressure is observed and adjusted while air is exhausted; the other part of the filter container is provided with a vent valve and a pressure gauge which are arranged together through a valve body, the vent valve is a horizontal knob with a thread structure, so that the vent valve is slow to vent and has no starting position, and once the valve core is accidentally screwed out, the vented gas is easily shot to a person standing nearby to hurt the person, therefore, the valve body for arranging the vent valve and the pressure gauge together needs to be improved at present.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, providing a vent valve which has more reasonable structure and safer and more reliable use.

In order to solve the technical problem existing in the prior art, the utility model adopts the following technical scheme:

an exhaust valve, includes valve body, case and manometer, wherein:

a communicating hole communicated with the container and a valve core hole which is vertically communicated with the communicating hole and has a smaller aperture than the communicating hole are vertically arranged on the valve body; the valve body is transversely provided with an air pressure detection hole and a transverse exhaust hole communicated with the middle part of the valve core hole; the lower part of the valve core hole is provided with a narrow-opening air blocking hole; a transition channel for communicating the communicating hole with the air pressure detecting hole is arranged in the valve body;

the valve core is screwed into the valve core hole through threaded connection; a handle used for rotating the valve core to control the communication or separation of the air blocking hole and the exhaust hole is arranged on the valve core; a limit structure for limiting the rotation amplitude of the valve core is arranged between the handle and the valve body;

the gauge shaft of the pressure gauge is arranged in the air pressure detection hole.

In the improved scheme of the exhaust valve, the limit structure comprises a valve core opening upper stop position and a valve core closing lower stop position which are arranged on the valve body, and a baffle plate arranged on the handle; the blocking piece can be outwards opened by an angle after being stressed so as to avoid the upper open stop position of the valve core and the lower closed stop position of the valve core, and can block the upper open stop position of the valve core and the lower closed stop position of the valve core when rotating in a reset state.

In the improvement of the exhaust valve, the standing position of the handle during the exhaust operation and the exhaust hole are in different directions.

Compared with the prior art, the beneficial effects of the utility model are that: because the valve core of the exhaust valve and the pressure gauge are installed together through the valve body, and the communicating hole in the valve body is communicated with the exhaust hole through the valve core hole on one hand, and is communicated with the air pressure detection hole through the transition channel on the other hand, the pressure can be controlled more accurately and rapidly when the air is exhausted and the pressure is observed and adjusted; in addition, because the exhaust hole transversely sets up to and be equipped with the limit structure who prevents to inject case rotating range between handle side and this valve body, can inject the case the biggest and unscrew the height and avoid the case carelessly excessively to unscrew and lead to the combustion gas quantity too big and injure the people like this, also can avoid excessively screwing up the case when closing discharge valve and make the excessive compression of sealing washer and become invalid, consequently the utility model discloses a structure is more reasonable, uses safelyr, reliable.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings:

[ description of the drawings ]

Fig. 1 is a first schematic perspective view of an embodiment of the present invention;

fig. 2 is a second schematic perspective view of the embodiment of the present invention;

fig. 3 is a first schematic structural diagram (valve element closed state) of the embodiment of the present invention;

fig. 4 is a schematic structural diagram ii (valve element open state) of the embodiment of the present invention;

fig. 5 is a schematic view of the embodiment of the present invention mounted to the upper cover of the filtering container.

[ detailed description ] A

An exhaust valve, as shown in fig. 1 to 4, comprises a valve body 1, a valve core 2 and a pressure gauge 3, wherein:

a communicating hole 11 communicated with the container 4 and a valve core hole 12 vertically communicated with the communicating hole 11 and smaller than the communicating hole 11 in diameter are vertically arranged on the valve body 1; an air pressure detection hole 13 and a transverse exhaust hole 14 communicated with the middle part of the valve core hole 12 are arranged in the transverse direction of the valve body 1; a narrow air blocking hole 121 is arranged at the lower part of the valve core hole 12; a transition passage 15 for communicating the communication hole 11 and the air pressure detection hole 13 is provided in the valve body 1;

the valve core 2 is screwed into the valve core hole 12 by a screw connection; a handle 5 for rotating the valve core to control the communication or separation of the air blocking hole 121 and the exhaust hole 14 is arranged on the valve core 2; a limiting structure 6 for limiting the rotation amplitude of the valve core is arranged between the handle 5 and the valve body 1, so that the maximum screwing-out height of the valve core can be limited, the phenomenon that the valve core is excessively screwed out when careless, so that the discharged gas quantity is too large and the people are injured is avoided, and the phenomenon that the valve core is excessively screwed down so that a sealing ring is excessively compressed and fails when the exhaust valve is closed can be avoided;

at present, when people operate the handle to exhaust air, the position of the air exhaust operation and the air exhaust opening are in the same direction, so that the exhausted air is easy to hurt people, therefore, the embodiment is taken as a preferred embodiment, the standing position of the human body of the handle 5 during the air exhaust operation and the air exhaust opening 14 are in different directions, and the human body is protected.

The pressure gauge 3 is axially installed in the air pressure detecting hole 13.

During assembly production, the valve core and the pressure gauge are provided with the sealing rings firstly and then are respectively arranged in the valve core hole 12 and the air pressure detection hole 13. When the exhaust valve is to be mounted for use, the valve body 1 is screwed and fixed to the upper portion of the container 4 by the nut 7, as shown in fig. 5.

As can be seen from the above, because the valve core 2 and the pressure gauge 3 of the exhaust valve are installed together through the valve body 1, and the communicating hole 11 in the valve body 1 is communicated with the exhaust hole 14 through the valve core hole 12 on one hand, and is communicated with the air pressure detection hole 13 through the transition channel 15 on the other hand, the pressure can be controlled more accurately and rapidly when the pressure is observed and adjusted while the air is exhausted; in addition, because the exhaust hole transversely sets up to and be equipped with between handle 5 and this valve body 1 and prevent that the case from unscrewing limit structure 6 in case hole, can inject the case at the biggest and unscrew the height and avoid the case to lead to the combustion gas volume too big and injure the people after accidentally excessively unscrewing like this, also can avoid excessively screwing up the case when closing discharge valve and make the excessive compression of sealing washer and become invalid, consequently the utility model discloses a structure is more reasonable, uses safelyr, reliable.

In this embodiment, the limiting structure 6 includes a valve core opening upper stop 61 and a valve core closing lower stop 62 which are arranged on the valve body 1, and a blocking piece 63 arranged on the handle 5; the valve core opening upper stop position 61 is used for preventing the valve core from being unscrewed completely due to carelessness, and the valve core closing lower stop position 62 is used as a stop position in a closing state so as to prevent the sealing ring from being excessively compressed and losing efficacy. The blocking piece 63 can be outwardly opened at an angle after being stressed to avoid the valve core opening upper stop position 61 and the valve core closing lower stop position 62 (for example, when the valve core is screwed in and installed in a valve core hole of the valve body, the valve core can be continuously screwed only after the blocking piece is slightly opened near the upper stop position and the lower stop position), and can be blocked on the valve core opening upper stop position 61 and the valve core closing lower stop position 62 when being screwed in a reset state. Of course, the limiting structure 6 may be other structures, such as a screw provided on the valve body.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims. Therefore, the detailed description of the embodiments of the present disclosure is to be construed as illustrative only and not limiting of the invention, but rather the scope of protection is defined by the content of the claims.

Claims

1. The utility model provides an exhaust valve, its characterized in that includes valve body, case and manometer, wherein:

2. The exhaust valve according to claim 1 wherein said limiting structure includes a valve core open upper stop and a valve core closed lower stop provided on said valve body, and a catch provided on said handle; the blocking piece can be outwards opened by an angle after being stressed so as to avoid the valve core opening upper stop position and the valve core closing lower stop position, and can be blocked on the valve core opening upper stop position and the valve core closing lower stop position when rotating in a reset state.

3. The discharge valve according to claim 1 or 2, wherein the handle is oriented in a different direction from the exhaust vent in a standing position during the discharge operation.