CN216009557U - Pneumatic adjustable water-gas linkage valve - Google Patents
Pneumatic adjustable water-gas linkage valve Download PDFInfo
- Publication number
- CN216009557U CN216009557U CN202121682614.4U CN202121682614U CN216009557U CN 216009557 U CN216009557 U CN 216009557U CN 202121682614 U CN202121682614 U CN 202121682614U CN 216009557 U CN216009557 U CN 216009557U
- Authority
- CN
- China
- Prior art keywords
- valve
- air
- water
- spring
- face
- 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.)
- Active
Links
Images
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses an air pressure adjustable water-gas linkage valve which comprises a water control device and an air control device, wherein the air control device comprises an air valve body, an air valve seat is arranged in the air valve body, the air valve seat comprises a body and a flange body arranged on the end surface of the body, the end surface of the body connected with the flange body is hermetically attached to the end surface of an air flow channel in the air valve body, and a gap is formed between the peripheral surface of the flange body and the inner wall of the air flow channel. The body of the valve seat is sealed with the end surface of the airflow channel, when the valve seat moves along the axial direction, the body leaves the end surface of the airflow channel, at the moment, the valve of the air valve is opened, fuel gas flows through the interval generated between the body and the end surface of the airflow channel and the interval between the flange body and the airflow channel, the fuel gas continuously moves out of the airflow channel along with the continuous increase of the interval and the continuous movement of the flange body, and finally the fuel gas circulates in a full-pressure mode, so that the aim of controlling the airflow flow and the pressure is fulfilled.
Description
Technical Field
The utility model relates to an air pressure adjustable water-gas linkage valve.
Background
The structure of the water-gas linkage valve generally comprises a water control device and a gas control device, and the gas control valve can be opened only when the water pressure is ensured to be enough and the water pressure is led into a heat exchanger to flow; when the water flow stops or the pressure is insufficient, the gas supply channel of the gas is automatically cut off, and the equipment is prevented from being burnt out due to water shortage, namely the equipment is usually called as water-in and gas-in.
Chinese patent publication No. CN 102725592B discloses a water-gas linkage valve, which utilizes a diaphragm to isolate a high-low pressure water chamber from a linkage assembly, thereby avoiding direct contact between water and metal parts in the linkage assembly, effectively preventing scale deposit and corrosion in the linkage assembly, solving the problem that the water-gas linkage valve cannot be normally closed, preventing dry burning to damage a gas water heater, and increasing the safety performance of the gas water heater; the water pressure extrudees the diaphragm for the diaphragm makes the seal ring seat produce axial displacement through the link staff, thereby makes the gas link up or cut off, and this kind links up or cuts off, and the air current of control gas, the air current stability that can not be fine are so that the air current corresponds the matching with the flow of rivers.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an air pressure adjustable water-gas linkage valve which enables the flow of water flow and the flow of air flow to be correspondingly matched.
In order to solve the technical problems, the technical scheme of the air pressure adjustable water-gas linkage valve is as follows:
the utility model discloses an air pressure adjustable water-gas linkage valve which comprises a water control device and an air control device, wherein the water control device comprises a water valve body, the air control device comprises an air valve body, an air valve seat is arranged in the air valve body, a driving device for enabling the air valve seat to close or open the air valve body is arranged in the water valve body, the air valve seat comprises a body and a flange body arranged on the end surface of the body, connected with the flange body, is in sealing fit with the end surface of an air flow channel in the air valve body, the flange body is inserted in the air flow channel, and a gap is formed between the outer peripheral surface of the flange body and the inner wall of the air flow channel.
The peripheral face of the flange body is provided with a sealing ring, one end face of the sealing ring is abutted against the end face of the body connected with the flange body, and the other end face of the sealing ring is attached to the end face of the airflow channel in a sealing mode.
The outer peripheral face of body matches and is equipped with and supports the board, support to support the board matching and support and withstand the sealing washer.
The driving device comprises a tympanic membrane and a driving shaft connected to the tympanic membrane, the driving shaft is connected with one end of a flange body of the valve seat, one end of a body of the valve seat is provided with a main elastic structure, and the elastic force of the main elastic structure and the acting force given to the valve seat by the tympanic membrane are positive and negative; and an auxiliary elastic structure is arranged on the driving shaft, and the acting force direction of the auxiliary elastic structure is consistent with that of the main elastic structure.
The main elastic structure comprises a large-diameter spring, a small-diameter spring and a spring seat, wherein the small-diameter spring is arranged in the large-diameter spring, and the small-diameter spring and the large-diameter spring are concentrically arranged; one end of the small-diameter spring and one end of the large-diameter spring are abutted against the spring seat, and the other end of the small-diameter spring and the other end of the large-diameter spring are abutted against the end face of the valve seat.
The large-diameter spring is sleeved on the body and is abutted against the abutting plate.
The auxiliary elastic structure comprises an auxiliary spring sleeved on the driving shaft, one end of the auxiliary spring is pressed on a support inside the water valve body, and the other end of the auxiliary spring is pressed on a support plate fixedly sleeved on the driving shaft.
The utility model has the beneficial effects that:
compared with the prior art, the air pressure adjustable water-gas linkage valve has the advantages that the body of the valve seat is sealed with the end face of the air flow channel, when the water pressure extrudes the tympanic membrane, and the acting force is greater than the elastic force added by the main elastic structure and the auxiliary elastic structure, the valve seat moves along the axial direction, the body leaves the end face of the air flow channel, at the moment, the valve of the gas valve is opened, gas flows through the interval generated between the body and the end face of the air flow channel and the interval between the flange body and the air flow channel, and the gas continuously moves out of the air flow channel along with the continuous increase of the interval and the continuous movement of the flange body, and finally the gas flows in a full-pressure mode, so that the aim of controlling the air flow is fulfilled.
Drawings
FIG. 1 is a perspective view of an air pressure adjustable water-gas linkage valve according to the present invention;
FIG. 2 is a cross-sectional view of the air pressure adjustable water gas linkage valve of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a three-dimensional tap of the driving device of the air pressure adjustable water-gas linkage valve.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 4, the utility model provides an air pressure adjustable water-gas linkage valve, which includes a water control device 1 and an air control device 2, wherein the water control device 1 includes a water valve body 3, the air control device 2 includes an air valve body 4, an air valve seat 5 is arranged in the air valve body 4, a driving device 6 for enabling the air valve seat 5 to close or open the air valve body 4 is arranged in the water valve body 3, the air valve seat 5 includes a body 7 and a flange body 8 arranged on an end surface of the body 7, an end surface of the body 7 connected with the flange body 8 is sealed and attached to an end surface of an air flow channel 9 in the air valve body 4, the flange body 8 is inserted in the air flow channel 9, and a gap 10 is formed between an outer circumferential surface of the flange body 8 and an inner wall of the air flow channel 9.
The outer diameter of the body 7 is larger than that of the flange body 8.
The peripheral face of the flange body 8 is provided with a sealing ring 11, one end face of the sealing ring 11 is abutted against the end face of the body 7 connected with the flange body 8, and the other end face is attached to the end face of the airflow channel 9 in a sealing mode.
The outer peripheral surface of the body 7 is provided with a support plate 12 in a matching way, and the support plate 12 is matched and supported against the sealing ring 11.
The driving device 6 comprises a tympanic membrane 13 and a driving shaft 14 connected to the tympanic membrane 13, the driving shaft 14 is connected to one end of the flange body 8 of the valve seat 5, one end of the body 7 of the valve seat 5 is provided with a main elastic structure 15, and the elastic force of the main elastic structure 15 and the acting force given to the valve seat 5 by the tympanic membrane 13 are positive and negative; the driving shaft 14 is provided with a secondary elastic structure 16, and the acting force direction of the secondary elastic structure 16 is consistent with that of the primary elastic structure 15.
The main elastic structure 15 comprises a large-diameter spring 17, a small-diameter spring 18 and a spring seat 19, the small-diameter spring 18 is arranged in the large-diameter spring 17, and the small-diameter spring 18 and the large-diameter spring 17 are arranged concentrically; one ends of the small-diameter spring 18 and the large-diameter spring 17 abut against the spring seat 19, and the other ends thereof abut against the end surface of the valve seat 5.
The large-diameter spring 17 is sleeved on the body 7, and the large-diameter spring 17 is abutted against the abutting plate 12.
The combined structure of the large-diameter spring 17 and the small-diameter spring 18 can play a more stable role in the elastic action of the valve seat 5, so that the elastic precision is higher.
The auxiliary elastic structure 16 includes an auxiliary spring 20 sleeved on the driving shaft 14, one end of the auxiliary spring 20 is pressed against a support 21 inside the water valve body 3, and the other end is pressed against a support plate 22 fixedly sleeved on the driving shaft 14.
The working principle of the air pressure adjustable water-gas linkage valve is explained as follows:
when the air pressure adjustable water-gas linkage valve works, water flows through the water valve body 3, air flows through the air valve body 4, when the water pressure of the water flow is larger than the common spring force of the large-diameter spring 17, the small-diameter spring 18 and the auxiliary spring 20, the driving shaft 14 moves along the axial direction, so that the air valve seat 5 is pushed to move towards the direction away from the air flow channel 9, in the process, the electromagnetic valve 24 of the air valve body 4 is opened, and gas flows towards the air flow channel 9 along the air valve body 4 through the interval 23 between the body 7 of the air valve seat 5 and the end surface of the air flow channel 9 and the gap 10 between the flange body 8 and the air flow channel 9, so that 'water arrival and gas arrival' are realized.
According to the air pressure adjustable water-gas linkage valve, the gap 10 is formed between the outer wall of the flange body 8 and the inner wall of the air flow channel 9, the size of the gap 10 is smaller, along with the increasing of the size of the interval 23, the gas in the interval 23 is increased continuously, the gas flowing to the gap 10 is increased continuously, when the flange body 8 completely leaves the air flow channel 9, the air pressure of the gas is maximized, and in the process, the curve control of the gas pressure and the gas flow is realized.
The air pressure adjustable water-gas linkage valve provided by the embodiment of the utility model is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the utility model, and the description of the embodiment is only used for helping to understand the technical scheme disclosed by the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. The utility model provides a water and gas coordinated valve with adjustable atmospheric pressure, includes water accuse device and gas accuse device, water accuse device includes the water valve body, gas accuse device includes the air valve body, be equipped with the valve seat in the air valve body, be equipped with in the water valve body and make the valve seat close or open the drive arrangement of air valve body, its characterized in that: the valve seat comprises a body and a flange body arranged on the end face of the body, the end face of the body connected with the flange body is sealed and attached to the end face of an airflow channel in the air valve body, the flange body is inserted in the airflow channel, and a gap is formed between the peripheral face of the flange body and the inner wall of the airflow channel.
2. The air pressure adjustable water-gas linkage valve according to claim 1, characterized in that: the peripheral face of the flange body is provided with a sealing ring, one end face of the sealing ring is abutted against the end face of the body connected with the flange body, and the other end face of the sealing ring is attached to the end face of the airflow channel in a sealing mode.
3. The air pressure adjustable water-gas linkage valve according to claim 2, characterized in that: the outer peripheral face of body matches and is equipped with and supports the board, support to support the board matching and support and withstand the sealing washer.
4. A pneumatic adjustable water-gas linkage valve according to claim 1, 2 or 3, characterized in that: the driving device comprises a tympanic membrane and a driving shaft connected to the tympanic membrane, the driving shaft is connected with one end of a flange body of the valve seat, one end of a body of the valve seat is provided with a main elastic structure, and the elastic force of the main elastic structure and the acting force given to the valve seat by the tympanic membrane are positive and negative; and an auxiliary elastic structure is arranged on the driving shaft, and the acting force direction of the auxiliary elastic structure is consistent with that of the main elastic structure.
5. The air pressure adjustable water-gas linkage valve according to claim 4, wherein: the main elastic structure comprises a large-diameter spring, a small-diameter spring and a spring seat, wherein the small-diameter spring is arranged in the large-diameter spring, and the small-diameter spring and the large-diameter spring are concentrically arranged; one end of the small-diameter spring and one end of the large-diameter spring are abutted against the spring seat, and the other end of the small-diameter spring and the other end of the large-diameter spring are abutted against the end face of the valve seat.
6. The air pressure adjustable water-gas linkage valve according to claim 5, wherein: the large-diameter spring is sleeved on the body.
7. The air pressure adjustable water-gas linkage valve according to claim 4, wherein: the auxiliary elastic structure comprises an auxiliary spring sleeved on the driving shaft, one end of the auxiliary spring is pressed on a support inside the water valve body, and the other end of the auxiliary spring is pressed on a support plate fixedly sleeved on the driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682614.4U CN216009557U (en) | 2021-07-22 | 2021-07-22 | Pneumatic adjustable water-gas linkage valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682614.4U CN216009557U (en) | 2021-07-22 | 2021-07-22 | Pneumatic adjustable water-gas linkage valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216009557U true CN216009557U (en) | 2022-03-11 |
Family
ID=80589132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121682614.4U Active CN216009557U (en) | 2021-07-22 | 2021-07-22 | Pneumatic adjustable water-gas linkage valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216009557U (en) |
-
2021
- 2021-07-22 CN CN202121682614.4U patent/CN216009557U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216009557U (en) | Pneumatic adjustable water-gas linkage valve | |
| CN2797789Y (en) | Isolation type electromagnetic valve | |
| CN112922720A (en) | Short cavity executor | |
| CN212643628U (en) | Double-valve-cover vacuum baffle valve | |
| CN214787681U (en) | Short cavity actuator | |
| CN211145489U (en) | Safety valve for gas | |
| CN215110699U (en) | Gas regulating valve and combustion device | |
| CN211574314U (en) | Three-piece forged steel fixed ball valve | |
| CN212804494U (en) | Pneumatic film regulating valve | |
| CN212203319U (en) | Novel corrosion-resistant solenoid valve | |
| CN221121062U (en) | Novel structure pipeline gas self-closing valve | |
| CN219827861U (en) | Heat source heat supply flow regulating control valve | |
| CN209013476U (en) | Wall-hung boiler expansion tank | |
| CN105715809A (en) | External pressure corrugated pipe control valve | |
| CN214579026U (en) | Pilot-operated speed-adjustable electromagnetic safety valve | |
| CN210318561U (en) | Manual pressure relief assembly of industrial gas control valve | |
| CN220850810U (en) | Air flow regulating switch | |
| CN205841928U (en) | A kind of proportional solenoid for solid-state ammonia treatment tail gas | |
| CN2861640Y (en) | Smallest flow valve | |
| CN219493167U (en) | Externally-mounted side plate ventilation valve | |
| CN210770547U (en) | WSV household electrical appliances water solenoid valve | |
| CN214368079U (en) | Fixing piece air guide pilot type electromagnetic pulse valve | |
| CN214578873U (en) | Piston type pulse valve | |
| CN213776414U (en) | Pilot-operated type steam high-frequency electromagnetic valve | |
| CN219345501U (en) | High-pressure gas electromagnetic valve with dynamic sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |