CN203745157U - Four-way valve helium detection clamp - Google Patents
Four-way valve helium detection clamp Download PDFInfo
- Publication number
- CN203745157U CN203745157U CN201320839069.4U CN201320839069U CN203745157U CN 203745157 U CN203745157 U CN 203745157U CN 201320839069 U CN201320839069 U CN 201320839069U CN 203745157 U CN203745157 U CN 203745157U
- Authority
- CN
- China
- Prior art keywords
- reference column
- way valve
- straight tube
- bend pipe
- pipe
- 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.)
- Expired - Lifetime
Links
- 239000001307 helium Substances 0.000 title claims abstract description 20
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 20
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title abstract description 10
- 238000007689 inspection Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Examining Or Testing Airtightness (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a four-way valve helium detection clamp, comprising a slide plate assembly, a pipe positioning assembly and a cylinder. The slide plate assembly is arranged above the pipe positioning assembly and positions a bend pipe and a valve body of a four-way valve; the pipe positioning assembly positions a pipe expanding port of the four-way valve; the cylinder comprises a ball head screw rod which drives the slide plate assembly to move up and down. The four-way valve helium detection clamp can detect air impermeability of the four-way valve, is suitable for detection of four-way valves in a plurality of models and is convenient in positioning clamping and dismounting.
Description
Technical field
The utility model relates to a kind of four-way valve helium inspection fixture.
Background technology
Four-way valve, belongs to hydraulic valve, and four-way valve main body is straight tube, is provided with four mouths of pipe on its tube wall.Four-way valve is indispensable parts in refrigeration plant, its principle of work is, when electromagnetic valve coil is in off-position, pilot slide valve moves to left under right side Compress Spring drives, gases at high pressure enter right-hand member plunger shaft after entering kapillary, on the other hand, the gas of left end plunger shaft is discharged, because piston two ends exist pressure reduction, piston and main slide valve move to left, make gas outlet take over and communicate with off-premises station, another two adapters communicate, form refrigeration cycle, the sealing property of four-way valve directly affects the performance of whole equipment, therefore need a kind of fixture, can detect the air-tightness of four-way valve.
Utility model content
Based on above problem, the technical problems to be solved in the utility model is to provide a kind of four-way valve helium inspection fixture, can carry out impermeability detection to four-way valve, is applicable to the detection of the four-way valve of Multiple Type, and positioning clamping and convenient disassembly.
For solving above technical matters, the utility model has adopted following technical scheme:
A kind of four-way valve helium inspection fixture, comprise skateboard component, pipe positioning component and cylinder, described skateboard component is arranged on described pipe positioning component top and the bend pipe of four-way valve and valve body is located, described pipe positioning component is by the double over location of four-way valve, described cylinder comprises ball screw, and described ball screw drives skateboard component to move up and down.
Described pipe positioning component is installed in vacuum tank.
Described skateboard component comprises slide plate, be fixed on valve body keeper, bend pipe keeper, the right side on slide plate piece and the left side piece of pulling back of pulling back, described valve body keeper blocks valve body, described bend pipe keeper blocks bend pipe, pull back piece and the right piece of pulling back of a described left side is arranged on the other end of slide plate, and and bend pipe keeper between be provided with certain distance, when dismounting, only need to drive on skateboard component and move by cylinder, then workpiece be taken off.
Described pipe positioning component comprises bend pipe reference column, be arranged on bend pipe reference column below tactic the first straight tube reference column, the second straight tube reference column, the 3rd straight tube reference column, described bend pipe reference column, the first straight tube reference column and the 3rd straight tube reference column can microdisplacements, can adapt to the foozle of workpiece mouth of pipe centre distance by adjusting bend pipe reference column, the first straight tube reference column and the 3rd straight tube reference column.
On the circumference of the end of described bend pipe reference column, the first straight tube reference column, the second straight tube reference column and the 3rd straight tube reference column, be provided with O-ring seal, to realize being tightly connected between the four-way valve mouth of pipe.
Adopt above technical scheme, the obtained beneficial effect of the utility model is:
The utility model provides a kind of four-way valve helium inspection fixture, can carry out impermeability detection to four-way valve, is applicable to the detection of the four-way valve of Multiple Type, and positioning clamping and convenient disassembly.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, technology of the present utility model is described in further detail:
Fig. 1 is the one-piece construction figure of the utility model four-way valve helium inspection fixture;
Fig. 2 is the partial sectional view of the utility model four-way valve helium inspection fixture;
Fig. 3 is the enlarged drawing of A place shown in Fig. 2.
Embodiment
As shown in Figure 1, for the four-way valve helium that the utility model provides is examined the one-piece construction figure with fixture, described four-way valve helium inspection is used for four-way valve 8 to carry out impermeability detection with fixture.Four-way valve helium inspection described in the utility model comprises skateboard component, pipe positioning component 4 and cylinder with fixture, described pipe positioning component 4 is installed in vacuum tank, described skateboard component is arranged on described pipe positioning component 4 tops by the bend pipe of four-way valve 8 and valve body location, described pipe positioning component 4 is by the double over location of four-way valve 8, described cylinder comprises ball screw 7, described ball screw 7 drives skateboard component to move up and down, capable of regulating bend pipe keeper 3 height apart from valve body keeper 2, to detect the workpiece of different-diameter.
Skateboard component comprises slide plate 1, be fixed on valve body keeper 2, bend pipe keeper 3, the right side on slide plate 1 piece 5 and the left side piece 6 of pulling back of pulling back, described valve body keeper 2 blocks valve body, described bend pipe keeper 3 blocks bend pipe, pull back piece 6 and the right piece 5 of pulling back of a described left side is arranged on the other end of slide plate, and and bend pipe keeper 3 between be provided with certain distance.
Pipe positioning component 4 comprises bend pipe reference column 41, be arranged on bend pipe reference column 41 belows tactic the first straight tube reference column 42, the second straight tube reference column 43, the 3rd straight tube reference column 44, described bend pipe reference column 41, the first straight tube reference column 42 and the 3rd straight tube reference column 44 can microdisplacements, can, taking the second straight tube reference column 43 as positioning datum, can adapt to the foozle of workpiece mouth of pipe centre distance by the displacement of bend pipe reference column 41, the first straight tube reference column 42 and the 3rd straight tube reference column 44.
As shown in Figures 2 and 3, described bend pipe reference column 41 is hollow tubular, on its circumference near end, be provided with O-ring seal 411, to realize being tightly connected between four-way valve 8 mouths of pipe, bottom communicates with the filling system of finding time outside vacuum tank by the base of pipe positioning component 4, base and vacuum tank wall are made flat seal with O type circle 412, thereby realize helium inspection equipment, workpiece are found time, are inflated and exit in sealing situation.The structure of the second straight tube reference column 43 and and the mouth of pipe of corresponding four-way valve 8 between Hermetical connecting structure all and the structure of bend pipe reference column 41 and and the mouth of pipe of corresponding four-way valve 8 between Hermetical connecting structure identical.The first straight tube reference column 42 and the 3rd straight tube reference column 44 are solid, and the Hermetical connecting structure between the mouth of pipe of itself and four-way valve 8 is identical with the Hermetical connecting structure between bend pipe reference column 41 and the second straight tube reference column 43 and the mouth of pipe of four-way valve 8.
Use four-way valve helium described in the utility model to examine process four-way valve 8 being detected with fixture as follows:
(1) insert on bend pipe reference column 41, the first straight tube reference column 42, the second straight tube reference column 43 and the 3rd straight tube reference column 44 corresponding four pipes of four-way valve 8, taking the second straight tube reference column 43 as positioning datum, bend pipe reference column 41, the first straight tube reference column 42 and the 3rd straight tube reference column 44 can float, to adapt to the error of centre distance in the hole on four-way valve 8.
(2) start cylinder, cylinder promotes skateboard component by ball screw 7 and moves downward, by bend pipe keeper 3 push down workpiece bend pipe top, valve body keeper 2 is pushed down valve body, promote the root that 8 four mouths of pipe of four-way valve enter bend pipe reference column 41, the first straight tube reference column 42, the second straight tube reference column 43 and the 3rd straight tube reference column 44, O-ring seal 411 on bend pipe reference column 41, the first straight tube reference column 42, the second straight tube reference column 43 and the 3rd straight tube reference column 44 is compressed into tube chamber, completes sealing, location and clamping to workpiece.
(3) complete after detection, cylinder pulls skateboard component up, bend pipe locating piece departs from four-way valve 8 bend pipes, valve body locating piece leaves valve body, along with skateboard component stroke increases, pull back piece 6 and the right piece 5 of pulling back of a final left side asking the two ends of four-way valve 8 to move up, four mouths of pipe of four-way valve 8 depart from the O-ring seal 411 of interference fit, and operator is dismantled workpiece easily.
Finally it should be noted that: these are only preferred embodiment of the present utility model; be not limited to the utility model; although the utility model is had been described in detail with reference to embodiment; for a person skilled in the art; its technical scheme that still can record aforementioned each embodiment is modified; or part technical characterictic is wherein equal to replacement; but all within spirit of the present utility model and principle; any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a four-way valve helium inspection fixture, it is characterized in that: comprise skateboard component, pipe positioning component and cylinder, described skateboard component is arranged on described pipe positioning component top and the bend pipe of four-way valve and valve body is located, described pipe positioning component is by the double over location of four-way valve, described cylinder comprises ball screw, and described ball screw drives skateboard component to move up and down.
2. four-way valve helium inspection fixture according to claim 1, is characterized in that: described pipe positioning component is installed in vacuum tank.
3. four-way valve helium inspection fixture according to claim 1, it is characterized in that: described skateboard component comprises slide plate, be fixed on valve body keeper, bend pipe keeper, the right side on slide plate piece and the left side piece of pulling back of pulling back, described valve body keeper blocks valve body, described bend pipe keeper blocks bend pipe, pull back piece and the right piece of pulling back of a described left side is arranged on the other end of slide plate, and and bend pipe keeper between be provided with certain distance.
4. four-way valve helium inspection fixture according to claim 1, it is characterized in that: described pipe positioning component comprises bend pipe reference column, be arranged on bend pipe reference column below tactic the first straight tube reference column, the second straight tube reference column, the 3rd straight tube reference column, described bend pipe reference column, the first straight tube reference column and the 3rd straight tube reference column can microdisplacements.
5. four-way valve helium inspection fixture according to claim 4, is characterized in that: on the circumference of the end of described bend pipe reference column, the first straight tube reference column, the second straight tube reference column and the 3rd straight tube reference column, be provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839069.4U CN203745157U (en) | 2013-12-18 | 2013-12-18 | Four-way valve helium detection clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839069.4U CN203745157U (en) | 2013-12-18 | 2013-12-18 | Four-way valve helium detection clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745157U true CN203745157U (en) | 2014-07-30 |
Family
ID=51344943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320839069.4U Expired - Lifetime CN203745157U (en) | 2013-12-18 | 2013-12-18 | Four-way valve helium detection clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745157U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990695A (en) * | 2015-06-19 | 2015-10-21 | 芜湖三花自控元器件有限公司 | Test clamp and test process of pilot valve |
| CN106969880A (en) * | 2017-03-29 | 2017-07-21 | 上海藏望信息技术有限公司 | A kind of on-line checking and sorting four-way valve device and its hermetization testing method |
| CN108709726A (en) * | 2018-04-29 | 2018-10-26 | 长庆石油勘探局技术监测中心 | A kind of hydraulic drive type abnormal shape valve clamp method |
| CN109556796A (en) * | 2017-09-26 | 2019-04-02 | 上海德义机电有限公司 | A kind of four-way valve helium mass spectrum leak detection and integral test system |
-
2013
- 2013-12-18 CN CN201320839069.4U patent/CN203745157U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990695A (en) * | 2015-06-19 | 2015-10-21 | 芜湖三花自控元器件有限公司 | Test clamp and test process of pilot valve |
| CN104990695B (en) * | 2015-06-19 | 2017-11-10 | 芜湖三花自控元器件有限公司 | The test fixture and test technology of a kind of pilot valve |
| CN106969880A (en) * | 2017-03-29 | 2017-07-21 | 上海藏望信息技术有限公司 | A kind of on-line checking and sorting four-way valve device and its hermetization testing method |
| CN109556796A (en) * | 2017-09-26 | 2019-04-02 | 上海德义机电有限公司 | A kind of four-way valve helium mass spectrum leak detection and integral test system |
| CN109556796B (en) * | 2017-09-26 | 2020-11-03 | 上海德义机电股份有限公司 | Helium mass spectrum leakage detection and comprehensive test equipment for four-way valve |
| CN108709726A (en) * | 2018-04-29 | 2018-10-26 | 长庆石油勘探局技术监测中心 | A kind of hydraulic drive type abnormal shape valve clamp method |
| CN108709726B (en) * | 2018-04-29 | 2020-04-03 | 长庆石油勘探局技术监测中心 | Hydraulic drive type special-shaped valve clamping method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |