CN217006326U - Pressure switch medium resistance testing device - Google Patents
Pressure switch medium resistance testing device Download PDFInfo
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- CN217006326U CN217006326U CN202220592987.0U CN202220592987U CN217006326U CN 217006326 U CN217006326 U CN 217006326U CN 202220592987 U CN202220592987 U CN 202220592987U CN 217006326 U CN217006326 U CN 217006326U
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Abstract
The utility model relates to a pressure switch medium-resistant testing device, which comprises a base, a product mounting seat, a manual valve component and a pressure gauge, wherein the product mounting seat is arranged on the top surface of the base, a medium channel is formed in the product mounting seat, a plurality of uniformly distributed internal thread seats are fixed on the product mounting seat, the internal thread seats are communicated with the medium channel, the medium channel is communicated with the output end of the manual valve component through a first pipeline, the input end of the manual valve component is communicated with a one-way valve through a second pipeline, the pressure gauge is in threaded connection with the base and is communicated with the medium channel through a third pipeline, a plurality of products can be simultaneously detected by arranging the product mounting seat, the pressure gauge can display the internal pressure of a testing system, the manual valve can adjust the flow of a medium entering the system, when the filled medium reaches a required value, the manual valve can be quickly closed to prevent back flow of the filling medium and disconnected from the filling device.
Description
The technical field is as follows:
the utility model relates to the technical field of pressure switch detection, in particular to a pressure switch medium resistance testing device.
Background art:
when the existing three-state pressure switch is used for medium-resistant testing, the existing three-state pressure switch is generally directly connected with a medium-resistant testing system/equipment, the operability is poor, particularly when high-temperature-resistant/low-temperature-resistant testing is required, a testing piece cannot be completely placed into the testing equipment, and the testing pressure and the flow cannot be accurately adjusted.
The utility model has the following contents:
the utility model aims to provide a pressure switch medium-resistant testing device which can display pressure, control medium flow and has a reasonable structural design aiming at the defects of the prior art.
The utility model is realized by the following technical scheme: the utility model provides a pressure switch is able to bear or endure medium testing arrangement, includes base and sets up product mount pad, manual valve subassembly, the manometer on the base top surface, set up the medium passageway in the product mount pad, be fixed with a plurality of evenly distributed's internal thread seat on the product mount pad, internal thread seat is linked together with the medium passageway, the medium passageway is linked together through first pipeline with manual valve subassembly's output, be linked together through the second pipeline between manual valve subassembly's input and the check valve, manometer threaded connection is on the base to be linked together through third pipeline and medium passageway.
In order to realize the sealing connection between the pressure gauge and the third pipeline, the pressure gauge is installed on the base through the pressure gauge installation seat, a first threaded hole is formed in the top surface of the pressure gauge installation seat, a second threaded hole is formed in the outer wall of the pressure gauge installation seat, the first threaded hole is communicated with the second threaded hole, the pressure gauge is in threaded connection with the first threaded hole, one end, close to the pressure gauge, of the third pipeline is a T-shaped joint, and the T-shaped joint and the threads are in sealing connection with the second threaded hole through a second compression nut which is sleeved on the third pipeline.
In order to realize the adjustment of the manual valve assembly on the medium flow, the manual valve assembly comprises a valve body, a needle valve rod, a valve body fastening nut, a valve body connecting sleeve, a hand wheel and a sealing gasket, a valve port is arranged at the connection position between a valve body inlet channel and a valve body outlet channel of the valve body, the top of the valve body is connected with the valve body connecting sleeve, the needle valve rod is connected with the valve body connecting sleeve in an internal thread manner, the bottom end of the needle valve rod can open or close the valve port, a sealing step is arranged on the top surface of the valve body connecting sleeve, the valve body connecting sleeve and the needle valve rod are sealed through the sealing gasket arranged in the sealing step, the valve body fastening nut is connected with the upper end of the valve body connecting sleeve in a threaded manner and can compress the sealing gasket, the hand wheel is arranged at the top end of the needle valve rod, further, the valve body outlet is communicated with a first pipeline, and the valve body inlet is communicated with a second pipeline.
The utility model has the beneficial effects that: through setting up the product mount pad, can a plurality of products detect simultaneously, through setting up the manometer, can show test system's internal pressure, can adjust the flow that the medium got into measurement system through setting up manual valve, when filling the medium and reaching the requirement value, can close manual valve rapidly, prevent to fill the backward flow of filling the medium to throw off with filling equipment.
Description of the drawings:
fig. 1 is a schematic plan structure diagram of a pressure switch medium-tolerant testing device of the present invention;
FIG. 2 is a schematic diagram of a front view of the pressure switch medium-resistant testing device of the present invention;
fig. 3 is a schematic left-view structural diagram of the pressure switch medium resistance testing device of the present invention;
fig. 4 is a partial structural view of fig. 3 according to the present invention.
The specific implementation mode is as follows:
the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the utility model.
The pressure switch medium-resistant testing device shown in fig. 1-3 comprises a base 1, a product mounting seat 2, a manual valve assembly 3 and a pressure gauge 41, wherein the product mounting seat 2, the manual valve assembly 3 and the pressure gauge 41 are arranged on the top surface of the base 1, a medium channel 21 is formed in the product mounting seat 2, a plurality of internal thread seats 22 which are uniformly distributed are fixed on the product mounting seat 2, the internal thread seats 22 are communicated with the medium channel 21, the medium channel 21 is communicated with the output end of the manual valve assembly 3 through a first pipeline 61, the input end of the manual valve assembly 3 is communicated with a one-way valve 5 through a second pipeline 62, and the pressure gauge 41 is in threaded connection with the base 1 and is communicated with the medium channel 21 through a third pipeline 63.
As shown in fig. 4, the manual valve assembly includes a valve body 31, a needle stem 32, a valve body fastening nut 33, a valve body connecting sleeve 34, a hand wheel 35, and a sealing gasket 36, a valve port 313 is disposed at a connection position between a valve body inlet channel 311 and a valve body outlet channel 312 of the valve body 31, the valve body connecting sleeve 34 is connected to the top of the valve body 31, the needle stem 32 is connected to the valve body connecting sleeve 34 in an internal thread manner, the bottom end of the needle stem 32 can open or close the valve port 313, a sealing step 341 is disposed on the top surface of the valve body connecting sleeve 34, the valve body connecting sleeve 34 and the needle stem 32 are sealed by the sealing gasket 36 disposed in the sealing step 341, the valve body fastening nut 33 is connected to the upper end of the valve body connecting sleeve 34 in a thread manner and can press the sealing gasket 36, and the hand wheel 35 is mounted on the top end of the needle stem 32.
The valve body outlet passage 312 communicates with the first conduit 61 and the valve body inlet passage 311 communicates with the second conduit 62.
In order to improve the heat resistance, pressure resistance, corrosion resistance and other performances of the pipeline on the pipeline, the first pipeline, the second pipeline and the third pipeline are copper pipes.
The operation process is as follows: the product 7 to be tested is hermetically installed on the internal thread seat 22, the one-way valve 5 is connected with an external filling valve or equipment, then the hand wheel is rotated clockwise to adjust the gap between the bottom end of the needle valve rod and the valve port to adjust the flow of the medium, then the medium is filled, the medium is the refrigerant oil and the refrigerant, the medium enters the product installation seat through the copper pipe, the indication value of the pressure gauge is observed, after the requirement of the filling amount is confirmed, the manual valve is rotated anticlockwise, and the manual valve is closed.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. The utility model provides a pressure switch is able to bear or endure medium testing arrangement which characterized in that: including base (1) and set up product mount pad (2), manual valve subassembly (3), manometer (41) on base (1) top surface, medium passageway (21) have been seted up in product mount pad (2), be fixed with a plurality of evenly distributed's internal thread seat (22) on product mount pad (2), internal thread seat (22) are linked together with medium passageway (21), medium passageway (21) are linked together through first pipeline (61) with the output of manual valve subassembly (3), be linked together through second pipeline (62) between the input of manual valve subassembly (3) and check valve (5), manometer (41) threaded connection is on base (1) to be linked together through third pipeline (63) and medium passageway (21).
2. The pressure switch media withstand test device of claim 1, wherein: manometer (41) are installed on base (1) through manometer mount pad (42), first screw hole (421) have been seted up to the top surface of manometer mount pad (42), have seted up second screw hole (422) on the outer wall of manometer mount pad (42), first screw hole (421) are linked together with second screw hole (422), manometer (41) and first screw hole (421) threaded connection, one end that third pipeline (63) are close to manometer (41) is T type joint (631), second gland nut (632) and second screw hole (422) sealing connection on third pipeline (63) are established through the cover to T type joint (631).
3. The pressure switch media withstand test device of claim 1, wherein: the manual valve component comprises a valve body (31), a needle valve rod (32), a valve body fastening nut (33), a valve body connecting sleeve (34), a hand wheel (35) and a sealing gasket (36), wherein a valve port (313) is arranged at a connection part between a valve body inlet channel (311) and a valve body outlet channel (312) of the valve body (31), the top of the valve body (31) is connected with the valve body connecting sleeve (34), the needle valve rod (32) is connected with the valve body connecting sleeve (34) in an internal thread manner, the valve port (313) can be opened or closed at the bottom end of the needle valve rod (32), a sealing step (341) is arranged on the top surface of the valve body connecting sleeve (34), the valve body connecting sleeve (34) and the needle valve rod (32) are sealed through the sealing gasket (36) arranged in the sealing step (341), the valve body fastening nut (33) is connected with the upper end of the valve body connecting sleeve (34) in a thread manner and can compress the sealing gasket (36), the hand wheel (35) is arranged at the top end of the needle valve rod (32).
4. The pressure switch media withstand test device of claim 3, wherein: the valve body outlet passage (312) is communicated with the first pipeline (61), and the valve body inlet passage (311) is communicated with the second pipeline (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220592987.0U CN217006326U (en) | 2022-03-18 | 2022-03-18 | Pressure switch medium resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220592987.0U CN217006326U (en) | 2022-03-18 | 2022-03-18 | Pressure switch medium resistance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006326U true CN217006326U (en) | 2022-07-19 |
Family
ID=82370963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220592987.0U Active CN217006326U (en) | 2022-03-18 | 2022-03-18 | Pressure switch medium resistance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217006326U (en) |
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2022
- 2022-03-18 CN CN202220592987.0U patent/CN217006326U/en active Active
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