CN214471608U - Duckbill valve's gas tightness detects frock - Google Patents
Duckbill valve's gas tightness detects frock Download PDFInfo
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- CN214471608U CN214471608U CN202120600189.3U CN202120600189U CN214471608U CN 214471608 U CN214471608 U CN 214471608U CN 202120600189 U CN202120600189 U CN 202120600189U CN 214471608 U CN214471608 U CN 214471608U
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Abstract
The utility model discloses a duckbilled valve's gas tightness detects frock, twist nut, tee bend coupling and be detected the piston including piston support seat, transparent PU house steward, manometer, overflow valve, syringe, baffle, hand, the inside central point of piston support seat puts to be fixed with and is detected the piston, the baffle is twisted the nut through four hands and is fixed in the upper end of piston support seat, the one end of transparent PU house steward links together with the inside detected piston that is detected of piston support seat, the other end of transparent PU house steward is in the same place with the front end sealing connection of syringe, one side inside that transparent PU house steward is close to the syringe is fixed with tee bend coupling, the horizontal both ends of tee bend coupling are all fixed on transparent PU house steward. The utility model discloses detection device can detect the gas tightness of duckbilled valve, inspects duckbilled valve notched quality to guarantee output, reduce the rejection rate, the device simple structure, the operation of being convenient for, the testing result is accurate and convenient and fast, and the result of use is better.
Description
Technical Field
The utility model relates to a manual negative pressure drainage ware technical field specifically is a duckbill valve's gas tightness detects frock.
Background
The negative pressure drainage device mainly adopts the working principle that a piston in a bottle body is pushed by a handle to discharge gas in the bottle body, then airflow is pressurized by a group of professional constant force springs to generate negative pressure, and the preset negative pressure can be kept even if a built-in tank is filled with exudates. Because the piston in the manual negative pressure drainage device bottle body adopts the special structural design of the duckbill valve, the gas in the bottle body is discharged from the upper part of the bottle body, and the negative pressure value with composite requirements is generated to work by combining the one-way valve at the bottom of the bottle body. Therefore, the air tightness of the duckbill valve determines the working performance of the negative pressure flow diverter, and if the incision of the duckbill valve is unqualified, the flow diverter cannot work normally and waste of production raw materials is caused.
After a large number of searches, the following results are obtained: chinese utility model patent: the utility model provides an air tightness detection tool, which is applied to the technical field of air tightness detection, and comprises an air supply connector which is used for being butted with a sealing interface on equipment to be detected and is connected to external gas generation equipment through an air inlet pipe; the air supply connector is used for pushing the air supply connector to a telescopic cylinder which is in butt joint with a sealing interface on the equipment to be tested, and the air supply connector is connected to a piston rod of the telescopic cylinder; and the barometer is used for detecting the air pressure of the equipment to be tested and displaying the air pressure value after the air supply connector finishes supplying air and is arranged on the air supply connector. The utility model discloses a constitute simply, the testing process is electric automation control, compares prior art its operation more simple, and detection efficiency also is showing and is improving.
At present, the problems can be solved only by the precision of the incision of the duckbill valve, so that the problems of low yield and high cost are caused, and therefore, the air tightness detection tool of the duckbill valve is needed to ensure the yield.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a duckbilled valve's gas tightness detects frock possesses simple structure, the operation of being convenient for, and the testing result is accurate, low in production cost and the advantage of guaranteeing output have solved the incision quality that can't effectively detect the piston in the past, the problem that output is low and manufacturing cost is high.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a duckbilled valve's gas tightness detects frock, includes piston support seat, transparent PU house steward, manometer, overflow valve, syringe, baffle, hand twist nut, tee bend joint and is detected the piston, the inside central point of piston support seat puts to be fixed with and is detected the piston, the baffle is twisted the nut through four hands and is fixed in the upper end of piston support seat, the one end of transparent PU house steward links together with the inside detected piston that is detected of piston support seat, the other end of transparent PU house steward is in the same place with the front end sealing connection of syringe, one side inside that transparent PU house steward is close to the syringe is fixed with tee bend joint, tee bend joint's horizontal both ends are all fixed on transparent PU house steward, tee bend joint's upper end is connected with transparent PU branch pipe, the other end of transparent PU branch pipe is connected with the bottom of manometer.
Preferably, a baffle is fixed at the upper end of the detected piston.
Preferably, the hand nuts are located at four vertical corners of the baffle.
Preferably, a transparent PU main pipe is fixed on one side of the bottom of the piston support seat.
Preferably, a push rod is fixed inside the syringe.
Preferably, an overflow valve is fixed on one side, close to the piston support seat, of the interior of the transparent PU main pipe.
Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses detection device can detect the gas tightness of duckbill valve, inspects duckbill valve notched quality to guarantee output, improve work efficiency, reduce the rejection rate, through setting up the syringe, can provide the pressure source, and sealed effectual between each structure, the inspection result is more accurate, through setting up the manometer, can audio-visual see out the result that detects, the device simple structure, the operation of being convenient for detects convenient and fast, the result of use is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention.
In the figure: 1. a piston support base; 2. a transparent PU header pipe; 3. a pressure gauge; 4. an overflow valve; 5. an injector; 6. a baffle plate; 7. screwing the nut by hand; 8. a three-way pipe joint; 9. a detected piston; 10. transparent PU branch pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the utility model provides a duckbill valve airtightness detection tool technical scheme: a duckbill valve airtightness detection tool comprises a piston support seat 1, a transparent PU header pipe 2, a pressure gauge 3, an overflow valve 4, an injector 5, a baffle 6, hand-screwed nuts 7, a three-way pipe joint 8 and a detected piston 9, wherein the detected piston 9 is fixed at the inner central position of the piston support seat 1, the baffle 6 is fixed at the upper end of the detected piston 9, the baffle 6 is fixed at the upper end of the piston support seat 1 through four hand-screwed nuts 7, the hand-screwed nuts 7 are positioned at four vertical corners of the baffle 6, the transparent PU header pipe 2 is fixed at one side of the bottom of the piston support seat 1, one end of the transparent PU header pipe 2 is connected with the detected piston 9 inside the piston support seat 1, the other end of the transparent PU header pipe 2 is connected with the front end of the injector 5 in a sealing manner, a push rod is fixed inside the injector 5, and a pressure source can be provided by arranging the injector 5, and the sealing effect among the structures is good, and the inspection result is more accurate.
One side that transparent PU house steward 2's inside is close to piston support seat 1 is fixed with overflow valve 4, one side that transparent PU house steward 2 is close to syringe 5 is inside to be fixed with three-way pipe joint 8, three-way pipe joint 8's horizontal both ends are all fixed on transparent PU house steward 2, three-way pipe joint 8's upper end is connected with transparent PU branch pipe 10, the other end of transparent PU branch pipe 10 is connected with manometer 3's bottom, through setting up manometer 3, can audio-visually see out the result that detects, the utility model discloses detection device can detect the gas tightness of duckbilled valve, inspect the notched quality of duckbilled valve, thereby the output is guaranteed, and work efficiency is improved, the rejection rate is reduced, and the device simple structure, the operation of being convenient for, detect convenient and fast, the result of use is better.
The working principle is as follows: before detecting, the push rod in the syringe 5 is pulled down to the maximum stroke position, later will be detected the duckbilled valve and put into piston support seat 1, twist nut 7 with the hand with baffle 6 and fix on piston support seat 1, promote the push rod of syringe 5 after the fixing and see whether the pointer of manometer 3 can reach 30KPa, if the pressure value can keep 10 seconds and do not reduce and just can prove that the duckbilled incision is good, scrap otherwise (the pressure value that the piston normally worked and bore is 16 KPa).
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a duckbilled valve's gas tightness detects frock, includes piston holder seat (1), transparent PU house steward (2), manometer (3), overflow valve (4), syringe (5), baffle (6), hand screw nut (7), tee bend coupling (8) and is detected piston (9), its characterized in that: the utility model discloses a piston support seat for injection pump, including piston support seat, baffle (6), transparent PU house steward (2), one side inside be fixed with tee bend coupling (8) of being close to syringe (5), the horizontal both ends of tee bend coupling (8) are all fixed on transparent PU house steward (2), the upper end of tee bend coupling (8) is connected with transparent PU branch pipe (10), the other end of transparent PU branch pipe (10) is connected with the bottom of manometer (3), baffle (6) are twisted nut (7) through four hands and are fixed in the upper end of piston support seat (1), the one end of transparent PU house steward (2) is connected together with piston support seat (1) inside by detection piston (9), the other end of transparent PU house steward (2) is in the same place, the front end sealing connection of transparent PU house steward (2) is in the same place with syringe (5), one side inside be fixed with tee bend coupling (8) that transparent PU house steward (8) is close to transparent PU).
2. The duckbill valve airtightness detection tool according to claim 1, wherein: and a baffle (6) is fixed at the upper end of the detected piston (9).
3. The duckbill valve airtightness detection tool according to claim 1, wherein: the hand-screwed nuts (7) are positioned at four vertical corners of the baffle plate (6).
4. The duckbill valve airtightness detection tool according to claim 1, wherein: and a transparent PU main pipe (2) is fixed on one side of the bottom of the piston support seat (1).
5. The duckbill valve airtightness detection tool according to claim 1, wherein: a push rod is fixed inside the injector (5).
6. The duckbill valve airtightness detection tool according to claim 1, wherein: and an overflow valve (4) is fixed on one side, close to the piston support seat (1), of the interior of the transparent PU main pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120600189.3U CN214471608U (en) | 2021-03-25 | 2021-03-25 | Duckbill valve's gas tightness detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120600189.3U CN214471608U (en) | 2021-03-25 | 2021-03-25 | Duckbill valve's gas tightness detects frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214471608U true CN214471608U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120600189.3U Active CN214471608U (en) | 2021-03-25 | 2021-03-25 | Duckbill valve's gas tightness detects frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214471608U (en) |
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2021
- 2021-03-25 CN CN202120600189.3U patent/CN214471608U/en active Active
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