CN209802649U - Safety valve take-off detection device - Google Patents
Safety valve take-off detection device Download PDFInfo
- Publication number
- CN209802649U CN209802649U CN201920101331.2U CN201920101331U CN209802649U CN 209802649 U CN209802649 U CN 209802649U CN 201920101331 U CN201920101331 U CN 201920101331U CN 209802649 U CN209802649 U CN 209802649U
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- China
- Prior art keywords
- safety valve
- pressure
- valve
- detection device
- pressure regulating
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Abstract
The utility model discloses a relief valve take-off detection device, the device includes: pressure regulating valve, relief valve and manometer, wherein: the gas inlet of the pressure regulating valve is communicated with a gas source, and the gas outlet of the pressure regulating valve is communicated with the gas inlet of the safety valve; the air outlet of the safety valve is connected into a water source through a pipeline; the pressure gauge is used for detecting the pressure at the pressure regulating valve. The utility model provides the high convenience that detects the basic capability of medical relief valve.
Description
Technical Field
The utility model relates to a check out test set technical field, in particular to relief valve take-off detection device.
Background
The safety valve is mainly used for special equipment and needs to be sent to a local special pressure equipment detection institute for detection every year. Due to the different working media, especially steam, prolonged use can lead to damage to the safety valve. If the safety valve breaks down, the pressure abnormality of the pipeline cannot be dealt with, so that equipment is damaged, and even personal injury is caused.
therefore, for the purpose of improving the safety of the medical equipment, it is necessary to design a detection device capable of conveniently and periodically detecting the basic performance of the safety valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a relief valve take-off detection device aims at solving among the prior art and detects the poor technical problem of convenience to the basic capability of medical relief valve.
In order to achieve the above object, the utility model provides a relief valve take-off detection device, the device includes: pressure regulating valve, relief valve and manometer, wherein:
The gas inlet of the pressure regulating valve is communicated with a gas source, and the gas outlet of the pressure regulating valve is communicated with the gas inlet of the safety valve;
The air outlet of the safety valve is connected into a water source through a pipeline;
The pressure gauge is used for detecting the pressure at the pressure regulating valve.
Preferably, the pressure of the air source for providing the pressure required by detection is 0.4-0.8 MPa.
Preferably, the pressure regulating valve is communicated with the air source through a first air duct, and a first quick coupling used for being communicated with the air source is arranged at an air inlet end of the first air duct.
preferably, the wall thickness of the first air duct is 0.8 mm-1.2 mm.
Preferably, the pressure regulating valve is communicated with the safety valve through a second air duct, and a second quick connector is arranged at the air outlet end of the second air duct.
Preferably, the wall thickness of the second air duct is 0.8 mm-1.2 mm.
Preferably, the air inlet of the safety valve is provided with a first threaded adapter, and the first threaded adapter is communicated with the second quick connector.
Preferably, the pipeline is a PVC hose.
preferably, a second threaded adapter is arranged at the air outlet of the safety valve and communicated with the air inlet end of the PVC hose
The utility model discloses a set up pressure regulating valve, relief valve and manometer, with pressure regulating valve's air inlet and air supply intercommunication, pressure regulating valve's gas outlet and the air inlet intercommunication of relief valve set up a pipeline and insert in the water source in the gas outlet of relief valve. During detection, the pressure regulating valve is regulated to enable the reading of the pressure gauge to rise slowly, the pressure of the pipeline is gradually increased, when bubbles appear in a water source, regulation is stopped, and the pressure shown by the pressure gauge is the tripping pressure of the safety valve. If the pressure is consistent with the set pressure of the safety valve, the safety valve is effective, and if the pressure is inconsistent with the set pressure, the safety valve needs to be readjusted to be consistent with the set pressure so as to be used.
Drawings
Fig. 1 is the gas circuit structure diagram of an embodiment of the safety valve take-off detection device of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
in order to solve the technical problem, the utility model provides a relief valve take-off detection device. Referring to fig. 1, the apparatus includes: a pressure regulating valve 10, a safety valve 20 and a pressure gauge 30, wherein: the air inlet of the pressure regulating valve 10 is used for communicating with the air source 40, and the air outlet of the pressure regulating valve 10 is communicated with the air inlet of the safety valve 20. The outlet of the safety valve 20 is connected to a water source 50 via a pipe. The pressure gauge 30 is used to detect the pressure at the pressure regulating valve 10.
In this embodiment, the air source 40 flows through the pressure regulating valve 10 and the safety valve 20, and finally reaches the water source 50. The pressure gauge 30 is arranged at the pressure regulating valve 10, the pressure regulating valve 10 is regulated, and when bubbles begin to be generated in the water source 50, the pressure value displayed by the pressure gauge 30 is the take-off pressure value of the safety valve 20. Comparing the setting pressure of the pressure gauge 30 with the setting pressure of the safety valve 20, and if the setting pressure is consistent, the safety valve 20 is effective; if not, the relief valve 20 needs to be recalibrated to be usable in conformity with the set pressure.
The air source 40 may be a central air supply system of a hospital, or other air supply systems such as an air pump and a compressed air bottle.
The pressure gauge 30 needs metering certification of a metering department, the effective range is 0-1.0 Mpa, and generally, most of the jump pressure of the medical safety valve is 0.2-0.4 Mpa, so the pressure gauge 30 with the range is selected.
The device utilizes the pressure regulating valve 10 to simply and directly regulate the air inlet pressure of the safety valve 20, and further detects the jump pressure of the safety valve 20. The device is simple to manufacture, the using method is simple and convenient, and the device is convenient to popularize to units such as hospitals and the like for use.
In a preferred embodiment, the pressure of the gas source 40 for providing the required pressure for detection is 0.4-0.8 MPa.
In this embodiment, most of the jump pressure of the safety valve 20 to be detected is between 0.2 Mpa and 0.4Mpa, so the pressure of the air source 40 should be at least greater than 0.4Mpa, and a compressed air supply system commonly used in hospitals is selected, and the supply pressure is between 0.4Mpa and 0.8Mpa according to different applications.
In a preferred embodiment, the pressure regulating valve 10 is communicated with the air source 40 through a first air duct 60, and the air inlet end of the first air duct 60 is provided with a first quick coupling 61 for communicating with the air source 40.
In this embodiment, the air source 40 is provided with a terminal interface at a use point, which allows the first quick connector 61 to be quickly plugged and unplugged, and the first quick connector 61 is connected with the terminal interface to form a sealing structure.
The first quick connector 61 is precisely manufactured by using solid bar stock (304 stainless steel, high-quality brass and carbon steel), and the appearance and the service life of the carbon steel are improved by adopting electroplated chrome or zinc outside the carbon steel.
Further, a sealing ring can be arranged at the joint of the first quick connector 61 and the terminal interface, and the structure increases the sealing performance.
In a preferred embodiment, the first airway tube 60 has a tube wall thickness of 0.8mm to 1.2 mm.
In this embodiment, the first gas-guiding tube 60 may be made of metal material, such as: stainless steel, copper and the like, has good rigidity and cannot be damaged due to large internal and external pressure difference. When stainless steel is selected as the tube, the wall thickness of the tube is preferably 1.0mm, and the first air duct 60 may have the following specifications: the outer diameter is 8mm, and the inner diameter is 6 mm.
In a preferred embodiment, the pressure regulating valve 10 is communicated with the safety valve 20 through a second air duct 70, and a second quick coupling 71 is disposed at an air outlet end of the second air duct 70.
In this embodiment, the one-way air inlet of the second quick connector 71 is connected to the air outlet end of the second air duct 70. When the spigot of the second quick coupling 71 is screwed out of the screw adapter 31, the valve core is automatically closed to prevent leakage. After the spigot of the second quick coupling 71 is screwed into the threaded adapter 31, the valve core is automatically opened, and the smoothness of the fluid is always kept in the rated working range.
In a preferred embodiment, the wall thickness of the second airway tube 70 is 0.8mm to 1.2 mm.
In this embodiment, the second gas-guiding tube 70 may also be made of metal material such as stainless steel, copper, etc. When stainless steel tubing is selected, the preferred tube wall thickness is 1.0mm, and the specification of the second airway tube 70 may be: the outer diameter is 8mm, and the inner diameter is 6 mm.
In a preferred embodiment, the inlet of the safety valve 20 is provided with a first threaded adapter 21, the first threaded adapter 21 communicating with a second quick connector 71.
in this embodiment, the first screw adapter 21 is a pipe connector with screw threads, one end of the screw threads is screwed with the screw threads of the safety valve 20 to form an internal and external screw thread sealing structure, the other end of the screw threads is connected with the second quick connector 71 to form a sealing structure,
furthermore, a sealing ring is also arranged at the interface between the first threaded adapter 21 and the second quick connector 71, so that the sealing effect is improved. The first threaded adapter 21 makes the connection of the pipeline simpler, the disassembly and replacement are easier, and the cost of pipeline connection is greatly saved. The pressure resistance is high, and the materials include carbon steel, stainless steel, alloy steel, brass and the like.
In a preferred embodiment, the conduit is a PVC hose 80.
In this embodiment, the PVC hose 80 is lightweight, flexible, and easily inserted into the water source 50, and is not as susceptible to corrosion as metallic materials when in contact with the water source 50. Of course, besides the PVC hose, the pipeline can be made of other resin materials, and even stainless steel materials are not tasteful.
in a preferred embodiment, the outlet of the safety valve 20 is provided with a second threaded adapter 22, and the second threaded adapter 22 is in communication with the inlet end of the PVC hose 80.
In this embodiment, the second threaded adapter 22 is also a threaded pipe connector, and can be a common threaded elbow, a threaded pipe cap, a threaded pipe hoop, or the like, and is simple to connect, easy to detach, and cost-saving. The threaded joint 32 is made of metal, as in the first threaded joint 21, and is high in pressure resistance, and may be made of carbon steel, stainless steel, alloy steel, brass, or the like. The connection mode of the safety valve 20 and the PVC hose 80 is as follows: the PVC hose 80 is firmly inserted into the root of the second threaded adapter 22 at the outlet of the safety valve 20 and secured by a strap or nut.
The above is only the part or the preferred embodiment of the present invention, no matter the characters or the drawings can not limit the protection scope of the present invention, all under the whole concept of the present invention, the equivalent structure transformation performed by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the protection scope of the present invention.
Claims (9)
1. A safety valve take-off detection device, comprising: pressure regulating valve, relief valve and manometer, wherein:
The gas inlet of the pressure regulating valve is communicated with a gas source, and the gas outlet of the pressure regulating valve is communicated with the gas inlet of the safety valve;
The air outlet of the safety valve is connected into a water source through a pipeline;
The pressure gauge is used for detecting the pressure at the pressure regulating valve.
2. The safety valve take-off detection device according to claim 1, wherein the pressure of the air source for providing the pressure required for detection is 0.4 to 0.8 Mpa.
3. The safety valve take-off detection device according to claim 1, wherein the pressure regulating valve is communicated with the gas source through a first gas duct, and a first quick coupling for communicating with the gas source is arranged at an air inlet end of the first gas duct.
4. The safety valve take-off detection device of claim 3, wherein the first air duct has a wall thickness of 0.8mm to 1.2 mm.
5. The safety valve take-off detection device according to claim 1, wherein the pressure regulating valve is communicated with the safety valve through a second air duct, and a second quick coupling is arranged at an air outlet end of the second air duct.
6. The safety valve take-off detection device of claim 5, wherein the second air duct has a wall thickness of 0.8mm to 1.2 mm.
7. The safety valve trip detection device of claim 5, wherein the inlet port of the safety valve is provided with a first threaded adapter, the first threaded adapter communicating with the second quick-connect.
8. The safety valve trip detection device of claim 1, wherein the conduit is a PVC hose.
9. The safety valve take-off detection device of claim 8, wherein the safety valve has a second threaded adapter at the outlet port, the second threaded adapter communicating with the inlet port of the PVC hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101331.2U CN209802649U (en) | 2019-01-21 | 2019-01-21 | Safety valve take-off detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101331.2U CN209802649U (en) | 2019-01-21 | 2019-01-21 | Safety valve take-off detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802649U true CN209802649U (en) | 2019-12-17 |
Family
ID=68820661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920101331.2U Expired - Fee Related CN209802649U (en) | 2019-01-21 | 2019-01-21 | Safety valve take-off detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310682A (en) * | 2021-06-26 | 2021-08-27 | 正星氢电科技郑州有限公司 | Hydrogen-related high-pressure pipe valve comprehensive test pipeline structure, system and test method thereof |
-
2019
- 2019-01-21 CN CN201920101331.2U patent/CN209802649U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310682A (en) * | 2021-06-26 | 2021-08-27 | 正星氢电科技郑州有限公司 | Hydrogen-related high-pressure pipe valve comprehensive test pipeline structure, system and test method thereof |
| CN113310682B (en) * | 2021-06-26 | 2023-09-05 | 正星氢电科技郑州有限公司 | Integrated test pipeline structure, system and test method of hydrogen-related high-pressure pipe valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20220121 |