CN201955204U - Valve core gas tightness detecting device - Google Patents
Valve core gas tightness detecting device Download PDFInfo
- Publication number
- CN201955204U CN201955204U CN2010206891967U CN201020689196U CN201955204U CN 201955204 U CN201955204 U CN 201955204U CN 2010206891967 U CN2010206891967 U CN 2010206891967U CN 201020689196 U CN201020689196 U CN 201020689196U CN 201955204 U CN201955204 U CN 201955204U
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- hole
- base
- predicament
- moving beam
- briquetting
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Abstract
The utility model relates to a valve core gas tightness detecting device belonging to the technical field of detecting fixtures. The valve core gas tightness detecting device is characterized by comprising a hold-down device (1) comprising a base plate (1.1), a top plate (1.2) and a moving beam (1.3), wherein the top plate (1.2) is provided with a cylinder (3); a plurality of guide posts (2) are arranged between the base plate (1.1) and the top plate (1.2); the moving beam (1.3) is sleeved on the guide posts (2); the bottom of the moving beam (1.3) is provided with a lock block (4); the base plate (1.1) is provided with a base (5); and a sealing barrel (6) is fixed below the lock block (4). The valve core gas tightness detecting device provided by the utility model can provide stable and adjustable pressing force, thereby more accurately detecting the gas tightness of a valve core, increasing the detecting efficiency, reducing the intensity of manual operation and achieving the advantages of convenience for operation, simple structure and higher detecting efficiency.
Description
Technical field
The utility model relates to a kind of spool air-tightness detection device, belongs to the inspection jig technical field.
Background technology
In present production and the life, people adopt valve to be used as the switch of pipeline inner fluid.Along with people's demand improves, the precision of all kinds of hydraulic parts is also improving constantly, and therefore the structure of various valve internal spools also becomes increasingly complex, and accuracy requirement is more and more higher.Spool need detect its impermeability before using usually.If the impermeability of spool is bad, can directly have influence on the serviceability of valve, sometimes even can cause security incident.
Past people is when detecting the impermeability of spool, adopt a kind of checkout equipment that manually compresses mostly, this assay device structures complexity that manually compresses, and complex operation, when tightly detecting the impermeability of spool with hand, each snap-in force size that produces is unstable, thereby has caused the quality testing unstable result of product.
Summary of the invention
In order to overcome above-mentioned deficiency, it is a kind of simple in structure, easy to operate that the utility model provides, and testing result is accurate, the spool air-tightness detection device that detection efficiency is higher.
The purpose of this utility model is achieved in that
A kind of spool air-tightness detection device comprises hold down gag, and described hold down gag comprises base plate, top board and moving beam, is provided with some guide pillars between described base plate and the top board, and described moving beam casing is put on guide pillar.
The bottom of described moving beam is provided with briquetting, the bottom center of described briquetting extension downwards is provided with a fixed leg, the outer rim of described fixed leg bottom is provided with the O-ring seal I, the center of this fixed leg and the center of described briquetting are provided with first venthole, one side of described briquetting is provided with second venthole, and described first venthole is connected with second venthole.
Described base plate is provided with base, the top center of described base has a up big and down small first step hole, described first step hole comprises first hole of getting out of a predicament or an embarrassing situation, hole and first of topping bar, described first gets out of a predicament or an embarrassing situation is plugged with draft tube in the hole, the top of described draft tube is exposed to first hole of getting out of a predicament or an embarrassing situation, the outer rim of described draft tube is provided with external thread, this draft tube is fixed by set nut and base, one side of described base offers air admission hole, described air admission hole and first hole of getting out of a predicament or an embarrassing situation is connected, the inside of described draft tube has a up big and down small second step hole, described second step hole comprises second hole of getting out of a predicament or an embarrassing situation, hole and second of topping bar, described second tops bar is provided with a spring in the hole, and there is a bead on the top, upper end of described spring.
The below of described briquetting is fixed with sealing bore, is provided with the O-ring seal II between the inwall of described sealing bore and the outer rim of base.
Described top board is provided with cylinder, and the piston rod of described cylinder is connected with moving beam.
In contrast to prior art, the beneficial effect that the utlity model has is:
The utility model spool air-tightness detection device is controlled by pneumatic means and is compressed examined product, can provide and stablize adjustable snap-in force, thereby detect the impermeability of spool more accurately, has improved detection efficiency.Cylinder in the pick-up unit will move beam and press down, and make briquetting, sealing bore and base form the environment of a sealing, and before the bead that will detect usefulness withstands on the detection hole of spool.Subsequently as long as in air admission hole ventilation, observe with water that second venthole links to each other in whether produce bubble and just can detect the spool air-tightness, not only easy to operate, and simple in structure, detection efficiency is higher, has reduced manually-operated intensity.
Description of drawings
Fig. 1 is the structural representation of the utility model spool air-tightness detection device.
Fig. 2 is the syndeton synoptic diagram of briquetting, sealing bore and base among Fig. 1.
Fig. 3 is for loading onto the synoptic diagram behind the spool to be detected among Fig. 2.
Fig. 4 is the structural representation of spool among Fig. 3.
Wherein: hold down gag 1, base plate 1.1, top board 1.2, moving beam 1.3, guide pillar 2, cylinder 3, briquetting 4, fixed leg 4.1, first venthole 4.2, second venthole 4.3, base 5, air admission hole 5.1, first step hole 5.2, first top bar hole 5.2.1, first get out of a predicament or an embarrassing situation hole 5.2.2, sealing bore 6, draft tube 7, second step hole 7.1, second top bar hole 7.1.1, second get out of a predicament or an embarrassing situation hole 7.1.2, spring 8, bead 9, spool 10, O-ring seal I 11, O-ring seal II 12.
Embodiment
As Fig. 1, the utility model relates to a kind of spool air-tightness detection device, comprise hold down gag 1, described hold down gag 1 comprises base plate 1.1, top board 1.2 and moving beam 1.3, be provided with some guide pillars 2 between described base plate 1.1 and the top board 1.2, described moving beam 1.3 is nested with between the guide pillar 2, described moving beam 1.3 with can slide up and down along guide pillar 2, described top board 1.2 is provided with cylinder 3, and the piston rod of described cylinder 3 is connected with the top of moving beam 1.3.
As Fig. 1, Fig. 2 and Fig. 3, the bottom of described moving beam 1.3 is provided with briquetting 4, the bottom center of described briquetting 4 is extended the fixed leg 4.1 that is provided with a strip downwards, described fixed leg 4.1 is used for fixing spool 10, the outer rim of described fixed leg 4.1 bottoms is provided with O-ring seal I 11, be used to guarantee the sealing between fixed leg 4.1 and the spool 10, the center of the center of this fixed leg 4.1 and described briquetting 4 is provided with first venthole 4.2, one side of described briquetting 4 is provided with second venthole 4.3, and described first venthole 4.2 is connected with second venthole 4.3.
As Fig. 1, Fig. 2 and Fig. 3, described base plate 1.1 is provided with base 5, the top center of described base 5 has a up big and down small first step hole 5.2, described first step hole 5.2 comprises first hole 5.2.1 and the first hole 5.2.2 that gets out of a predicament or an embarrassing situation that tops bar, described first gets out of a predicament or an embarrassing situation is plugged with draft tube 7 in the 5.2.2 of hole, the top of described draft tube 7 is exposed to the first hole 5.2.2 that gets out of a predicament or an embarrassing situation, the outer rim of described draft tube 7 is provided with external thread, this draft tube 7 is fixing by set nut and base 5, one side of described base 5 offers air admission hole 5.1, described the air admission hole 5.1 and first hole 5.1.2 that gets out of a predicament or an embarrassing situation is connected, the inside of described draft tube 7 has a up big and down small second step hole 7.1, described second step hole 7.1 comprises second hole 7.1.1 and the second hole 7.1.2 that gets out of a predicament or an embarrassing situation that tops bar, described second tops bar is provided with a spring 8 in the 7.1.1 of hole, and there is a bead 9 on the top, upper end of described spring 8.
As Fig. 2 and Fig. 3, the below of described briquetting 4 is fixed with sealing bore 6, is provided with O-ring seal II 12 between the outer rim of the inwall of described sealing bore 6 and base 5, is used to guarantee that spool 10 has the testing environment of sealing.
As Fig. 3 and Fig. 4, earlier spool 10 is nested with on fixed leg 4.1 during the use of this spool air-tightness detection device, driving moving beam 1.3 with exhaust hood 3 moves down along guide pillar 2, when the set nut that is used for fixing draft tube 7 is run in the bottom of spool 10, bead 9 just in time can upwards withstand the detection hole of spool 10, moving just stop motion of beam 1.3.This moment, briquetting 4, sealing bore 6 and base 5 formed the surveyed area of a sealing, subsequently from air admission hole 5.1 bubbling airs, and second venthole 4.3 were inserted in the water by tracheae.If the sealing property of spool 10 is bad, air will be successively by air admission hole 5.1, first get out of a predicament or an embarrassing situation hole 5.2.2, second step hole 7.1, spool 10, first venthole 4.2 and second venthole 4.3, and with water that second venthole 4.3 links to each other in produce bubble; If the good seal performance of spool 10 then can not produce bubble in the water.
Claims (1)
1. spool air-tightness detection device, it is characterized in that: it comprises hold down gag (1), described hold down gag (1) comprises base plate (1.1), top board (1.2) and moving beam (1.3), be connected with some guide pillars (2) between described base plate (1.1) and the top board (1.2), described moving beam (1.3) is nested with on guide pillar (2), described top board (1.2) is provided with cylinder (3), and the piston rod of described cylinder (3) is connected with moving beam (1.3);
The bottom of described moving beam (1.3) is provided with briquetting (4), the bottom center of described briquetting (4) extension downwards is provided with a fixed leg (4.1), the outer rim of described fixed leg (4.1) bottom is provided with O-ring seal I (11), the center of center of this fixed leg (4.1) and described briquetting (4) is provided with first venthole (4.2), one side of described briquetting (4) is provided with second venthole (4.3), and described first venthole (4.2) is connected with second venthole (4.3);
Described base plate (1.1) is provided with base (5), the top center of described base (5) has a up big and down small first step hole (5.2), described first step hole (5.2) comprises first hole (5.2.2) of getting out of a predicament or an embarrassing situation, hole (5.2.1) and first of topping bar, described first gets out of a predicament or an embarrassing situation is plugged with draft tube (7) in the hole (5.2.2), the top of described draft tube (7) is exposed to first hole (5.2.2) of getting out of a predicament or an embarrassing situation, the outer rim of described draft tube (7) is provided with external thread, this draft tube (7) is fixing by set nut and base (5), one side of described base (5) offers air admission hole (5.1), described air admission hole (5.1) and first hole (5.1.2) of getting out of a predicament or an embarrassing situation is connected, the inside of described draft tube (7) has a up big and down small second step hole (7.1), described second step hole (7.1) comprises second hole (7.1.2) of getting out of a predicament or an embarrassing situation, hole (7.1.1) and second of topping bar, described second tops bar is provided with a spring (8) in the hole (7.1.1), and there is a bead (9) on the top, upper end of described spring (8);
The below of described briquetting (4) is fixed with sealing bore (6), and described sealing bore (6) is placed on the base (5), is provided with O-ring seal II (12) between the outer rim of the inwall of described sealing bore (6) and base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206891967U CN201955204U (en) | 2010-12-30 | 2010-12-30 | Valve core gas tightness detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206891967U CN201955204U (en) | 2010-12-30 | 2010-12-30 | Valve core gas tightness detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201955204U true CN201955204U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206891967U Expired - Lifetime CN201955204U (en) | 2010-12-30 | 2010-12-30 | Valve core gas tightness detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201955204U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128707A (en) * | 2010-12-30 | 2011-07-20 | 无锡鹰贝精密轴承有限公司 | Valve element airtightness testing device |
| CN105583195A (en) * | 2014-10-22 | 2016-05-18 | 富鼎电子科技(嘉善)有限公司 | Gas-blowing pressing block |
| CN107036766A (en) * | 2017-01-12 | 2017-08-11 | 厦门英瑟雷特电气科技有限公司 | Insulating of electric measurement of high pressure covers tubing product automatic water detection device |
| CN110987311A (en) * | 2019-11-26 | 2020-04-10 | 台州科技职业学院 | Air tightness testing device suitable for stop valve |
| CN115524079A (en) * | 2022-04-20 | 2022-12-27 | 无锡吉冈精密科技股份有限公司 | Long tubular column gas tightness testing arrangement of new energy automobile |
-
2010
- 2010-12-30 CN CN2010206891967U patent/CN201955204U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128707A (en) * | 2010-12-30 | 2011-07-20 | 无锡鹰贝精密轴承有限公司 | Valve element airtightness testing device |
| CN105583195A (en) * | 2014-10-22 | 2016-05-18 | 富鼎电子科技(嘉善)有限公司 | Gas-blowing pressing block |
| CN105583195B (en) * | 2014-10-22 | 2019-09-20 | 富鼎电子科技(嘉善)有限公司 | Air blowing briquetting |
| CN107036766A (en) * | 2017-01-12 | 2017-08-11 | 厦门英瑟雷特电气科技有限公司 | Insulating of electric measurement of high pressure covers tubing product automatic water detection device |
| CN110987311A (en) * | 2019-11-26 | 2020-04-10 | 台州科技职业学院 | Air tightness testing device suitable for stop valve |
| CN110987311B (en) * | 2019-11-26 | 2022-03-11 | 台州科技职业学院 | Air tightness testing device suitable for stop valve |
| CN115524079A (en) * | 2022-04-20 | 2022-12-27 | 无锡吉冈精密科技股份有限公司 | Long tubular column gas tightness testing arrangement of new energy automobile |
| CN115524079B (en) * | 2022-04-20 | 2023-09-26 | 无锡吉冈精密科技股份有限公司 | New energy automobile long tubular column gas tightness testing arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20130501 |
|
| RGAV | Abandon patent right to avoid regrant |