CN217355677U - Exhaust type refrigerant double-meter valve of explosion-proof meter - Google Patents
Exhaust type refrigerant double-meter valve of explosion-proof meter Download PDFInfo
- Publication number
- CN217355677U CN217355677U CN202221505299.2U CN202221505299U CN217355677U CN 217355677 U CN217355677 U CN 217355677U CN 202221505299 U CN202221505299 U CN 202221505299U CN 217355677 U CN217355677 U CN 217355677U
- Authority
- CN
- China
- Prior art keywords
- pressure
- valve
- gauge
- exhaust
- double
- 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
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses an exhaust type refrigerant double gauge valve of an explosion-proof gauge, including the double gauge valve body, install low pressure manometer and high pressure manometer on the valve body respectively, low pressure manometer passes through the low pressure case switching low pressure connecting pipe of low pressure handle control, and high pressure manometer passes through the high pressure case switching high pressure connecting pipe of high pressure handle control, the pipeline that the low pressure manometer connects the double gauge valve body on open and have the exhaust hole, the exhaust hole is controlled by discharge valve, discharge valve include the discharge valve case, the discharge valve case passes through spring coupling pressure knob; the pressure knob is in threaded connection with a tubular bulge arranged on the valve body of the double-gauge valve, and the side edge of the tubular bulge is provided with a pressure relief hole controlled by the exhaust valve core. The utility model discloses an exhaust hole and the pressure release hole of air discharge valve core intercommunication for in case high-pressure gas gets into the runner of low pressure manometer, can realize that high-pressure gas discharges through discharge valve's pressure release hole through the pressure of the spring control air discharge valve core switching that the pressure knob is connected, avoid the low pressure manometer to damage, improved the safety in utilization of two table valves.
Description
Technical Field
The utility model relates to a pressure valve, concretely relates to exhaust formula refrigerant pair table valve of explosion-proof table.
Background
At present to the air conditioner refrigeration trade, the refrigerant double valve that uses generally includes the valve body, install low pressure manometer and high pressure manometer on the valve body respectively, low pressure manometer passes through the low pressure case switching low pressure connecting pipe of low pressure handle control, high pressure manometer passes through the high pressure case switching high pressure connecting pipe of high pressure handle control, low pressure connecting pipe connects air conditioner three-way valve with fluorine mouth, the high pressure pipe is connected with the fluorine mouth that adds of air conditioner two-way valve, vacuum pump or steel bottle mouth are connected to double gauge valve intermediate line, the double gauge valve of this kind of structure when high-pressure gas is poured into to the high pressure pipe, because the workman is not closed tightly at low pressure case sometimes, lead to high-pressure gas to get into the low pressure manometer, lead to the low pressure manometer to explode the table and damage. How to solve the above technical problems has been the subject of research by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, safe in utilization, the exhaust formula refrigerant double-meter valve of explosion-proof table.
An exhaust type refrigerant double-gauge valve of an explosion-proof gauge comprises a double-gauge valve body, wherein a low-pressure gauge and a high-pressure gauge are respectively installed on the valve body, the low-pressure gauge opens and closes a low-pressure connecting pipe through a low-pressure valve core controlled by a low-pressure handle, the high-pressure gauge opens and closes a high-pressure connecting pipe through a high-pressure valve core controlled by a high-pressure handle, an exhaust hole is formed in a pipeline of the low-pressure gauge connected with the double-gauge valve body and is controlled by an exhaust valve, the exhaust valve comprises an exhaust valve core, and the exhaust valve core is connected with a pressure knob through a spring; the pressure knob is in threaded connection with a tubular bulge arranged on the valve body of the double-gauge valve, and the side edge of the tubular bulge is provided with a pressure relief hole controlled by the exhaust valve core. The exhaust hole and the pressure relief hole that its adoption exhaust valve core communicates of the exhaust formula refrigerant pair of table valve of this kind of structure for in case high-pressure gas gets into low-pressure manometer's runner, the pressure of the spring control exhaust valve core switching that can connect through the pressure knob realizes that high-pressure gas passes through exhaust valve's pressure relief hole and discharges, avoids low-pressure manometer damage, has improved pair table valve's safety in utilization.
The exhaust valve core comprises a conical head matched with the exhaust hole, the tail part of the conical head is a reducing sealing shaft, a sealing ring is sleeved on the periphery of the sealing shaft, and the tail part of the sealing shaft is an expanding supporting surface.
The supporting surface is matched and connected with one end of a spring, the other end of the spring is connected with a pressure knob, and the pressure of the spring is adjusted through the pressure knob, namely the opening pressure of the exhaust valve is adjusted.
A spherical cavity is arranged in the double-gauge valve body between the high-pressure valve core and the low-pressure valve core, the lower side of the cavity is connected with an integrated straight pipe section, the upper side of the cavity is connected with a hook on the same axis with the straight pipe section, and the hook and the straight pipe section on the same axis stabilize pressure gas at the cavity, so that the measuring accuracy of the high-pressure gauge and the low-pressure gauge is ensured.
The utility model discloses an exhaust hole and the pressure release hole of its adoption air-out valve core intercommunication of exhaust formula refrigerant double-meter valve of explosion-proof meter for in case high-pressure gas gets into the runner of low-pressure manometer, the pressure of the spring control air-out valve core switching that can connect through the pressure knob realizes that high-pressure gas passes through discharge valve's pressure release hole and discharges, avoids the low-pressure manometer damage, has improved the safety in utilization of double-meter valve.
Drawings
Fig. 1 is a schematic view of a sectional structure of an exhaust type refrigerant double-meter valve of the explosion-proof meter of the present invention;
fig. 2 is a schematic view of a side-type partial sectional structure of an exhaust type refrigerant double-gauge valve of the explosion-proof gauge of the present invention;
fig. 3 is a schematic view of the structure of the middle exhaust valve core of the present invention.
Detailed Description
As shown in fig. 1-3, the exhaust type refrigerant double gauge valve of the anti-explosion gauge comprises a double gauge valve body, a low pressure gauge 12 and a high pressure gauge 2 are respectively installed on the valve body, the low pressure gauge 12 opens and closes a low pressure connecting pipe 8 through a low pressure valve core 9 controlled by a low pressure handle 10, the high pressure gauge 2 opens and closes a high pressure connecting pipe 5 through a high pressure valve core 3 controlled by a high pressure handle 4, an exhaust hole 11 is formed in a pipeline connecting the low pressure gauge 12 with the double gauge valve body, the exhaust hole 11 is controlled by an exhaust valve, the exhaust valve comprises an exhaust valve core 17, the exhaust valve core 17 is connected with a pressure knob 15 through a spring, the pressure knob 15 is in threaded connection with a tubular bulge 14 arranged on the double gauge valve body, and a pressure relief hole 20 controlled by the exhaust valve core 17 is formed in the side edge of the tubular bulge 14.
The exhaust valve core 17 preferably comprises a conical head 19 matched with the exhaust hole, the tail part of the conical head 19 is a reduced sealing shaft, a sealing ring is sleeved on the periphery of the sealing shaft, and the tail part of the sealing shaft is a supporting surface 18 with the diameter expanded. The supporting surface 18 is connected with one end of a spring 16 in a matching way, the other end of the spring 16 is connected with a pressure knob 15, and the pressure of the spring, namely the opening pressure of the exhaust valve, is adjusted through the pressure knob.
In order to further improve the performance of the double-gauge valve, a spherical cavity 6 is arranged in the double-gauge valve body between the high-pressure valve core 3 and the low-pressure valve core 9, the lower side of the cavity 6 is connected with an integrated straight pipe section 7, the upper side of the cavity 6 is connected with a hook 1 which is arranged on the same axis as the straight pipe section, and the hook and the straight pipe section on the same axis stabilize pressure gas at the cavity to ensure the measurement accuracy of the high-pressure gauge and the low-pressure gauge.
The utility model discloses two table valves of exhaust formula refrigerant of explosion-proof meter, its exhaust hole and the pressure release hole that adopts the core of the air discharge valve intercommunication for in case high-pressure gas gets into the runner of low-pressure manometer, the pressure of the spring control core of the air discharge valve switching that can connect through the pressure knob realizes that high-pressure gas passes through discharge valve's pressure release hole and discharges, avoids the low-pressure manometer to destroy, has improved the safety in utilization of two table valves.
Claims (4)
1. The utility model provides an exhaust formula refrigerant double gauge valve of explosion-proof table, includes double gauge valve body, installs low pressure manometer and high pressure manometer on the valve body respectively, and low pressure manometer passes through low pressure case switching low pressure connecting pipe of low pressure handle control, and high pressure manometer passes through high pressure case switching high pressure connecting pipe of high pressure handle control, its characterized in that: the pipeline of the low-pressure gauge connected with the valve body of the double-gauge valve is provided with an exhaust hole controlled by an exhaust valve, the exhaust valve comprises an exhaust valve core, and the exhaust valve core is connected with a pressure knob through a spring; the pressure knob is in threaded connection with a tubular bulge arranged on the valve body of the double-gauge valve, and the side edge of the tubular bulge is provided with a pressure relief hole controlled by the exhaust valve core.
2. The vent-type refrigerant double gauge valve of an explosion-proof gauge as claimed in claim 1, wherein: the exhaust valve core comprises a conical head matched with the exhaust hole, the tail part of the conical head is a reducing sealing shaft, a sealing ring is sleeved on the periphery of the sealing shaft, and the tail part of the sealing shaft is an expanding supporting surface.
3. The vent-type refrigerant double gauge valve of an explosion proof gauge as claimed in claim 2, wherein: the supporting surface is matched and connected with one end of the spring, and the other end of the spring is connected with the pressure knob.
4. The vent-type refrigerant double gauge valve of an explosion-proof gauge as claimed in claim 1, wherein: a spherical cavity is arranged in the double-meter valve body between the high-pressure valve core and the low-pressure valve core, the lower side of the cavity is connected with an integrated straight pipe section, and the upper side of the cavity is connected with a hook which is coaxial with the straight pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221505299.2U CN217355677U (en) | 2022-06-15 | 2022-06-15 | Exhaust type refrigerant double-meter valve of explosion-proof meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221505299.2U CN217355677U (en) | 2022-06-15 | 2022-06-15 | Exhaust type refrigerant double-meter valve of explosion-proof meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217355677U true CN217355677U (en) | 2022-09-02 |
Family
ID=83038607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221505299.2U Active CN217355677U (en) | 2022-06-15 | 2022-06-15 | Exhaust type refrigerant double-meter valve of explosion-proof meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217355677U (en) |
-
2022
- 2022-06-15 CN CN202221505299.2U patent/CN217355677U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201425024Y (en) | Screw air compressor air intake valve | |
| CN217355677U (en) | Exhaust type refrigerant double-meter valve of explosion-proof meter | |
| CN210461828U (en) | Flow differential pressure setting valve | |
| CN216768368U (en) | Inflation valve release frock | |
| CN114688264B (en) | Electromagnetic gas emergency cut-off valve with pressure opening | |
| CN104696565A (en) | Guide structure based anti-explosion valve | |
| CN205824275U (en) | A kind of water hammer-resistant angle valve | |
| CN204573236U (en) | A kind of explosion-proof valve based on guide structure | |
| CN210397794U (en) | Steel ball type three-way shuttle valve joint | |
| CN213873301U (en) | Refrigerator easy to add refrigerant | |
| CN217081576U (en) | Gas pressure reducer capable of reducing pressure in two stages | |
| CN2924073Y (en) | Integral forge type air-bag | |
| CN217272105U (en) | Needle valve with pressure relief and exhaust functions | |
| CN212480438U (en) | Temperature and pressure measuring flange | |
| CN219734337U (en) | Self-sealing type inflation valve | |
| CN211345502U (en) | Pressure relieving structure with buffer fluid pressure fluctuation and air conditioning unit | |
| CN214946729U (en) | Electromagnetic pulse valve sealing structure | |
| CN218765769U (en) | Fluoridize manometer | |
| CN212080279U (en) | Gas emergency cut-off valve opened by pressure difference | |
| CN215061329U (en) | Cut-off type gas pressure regulator | |
| CN219014010U (en) | Air inlet protection device of pressure reducer | |
| CN218670794U (en) | Vacuum breaker valve and calibration device thereof | |
| CN212509535U (en) | Gas emergency cut-off valve opened under pressure | |
| CN216896213U (en) | Connection structure for electromagnetic valve | |
| CN218378245U (en) | Natural gas line pressure testing connecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |