CN203705132U - Electronic expansion valve helium test fixture - Google Patents
Electronic expansion valve helium test fixture Download PDFInfo
- Publication number
- CN203705132U CN203705132U CN201320838518.3U CN201320838518U CN203705132U CN 203705132 U CN203705132 U CN 203705132U CN 201320838518 U CN201320838518 U CN 201320838518U CN 203705132 U CN203705132 U CN 203705132U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- positioning seat
- expansion valve
- sealing
- straight tube
- 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
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 23
- 239000001307 helium Substances 0.000 title claims abstract description 23
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 41
- 230000000740 bleeding effect Effects 0.000 claims description 23
- 238000007689 inspection Methods 0.000 claims description 19
- 230000001012 protector Effects 0.000 claims description 18
- 238000011084 recovery Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 5
- 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
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Abstract
The utility model provides an electronic expansion valve helium test fixture. The fixture includes at least one straight pipe positioning seat, at least one bent pipe positioning seat, at least one straight pipe seal filling and exhausting cylinder, at least one bent pipe seal filling and exhausting cylinder, a bottom plate and a movable adjustment plate. The straight pipe positioning seat and the straight pipe seal filling and exhausting cylinder are fixed on the bottom plate, and the bent pipe positioning seat and the bent pipe seal filling and exhausting cylinder are fixed on the adjustment plate. The straight pipe positioning seat and the bent pipe positioning seat form a positioning groove. By employing the electronic expansion valve helium test fixture of the utility model, leakage-proof testing of electronic expansion valve can be carried out. Electronic expansion valves with various models can be tested with high test efficiency and high security.
Description
Technical field
The utility model relates to a kind of electric expansion valve helium inspection fixture.
Background technology
Electric expansion valve is to regulate evaporator liquid supply rate according to pre-set programs, regulates pattern, therefore be called electric expansion valve because belonging to electronic type.It has adapted to the electrical integrated demand for development of refrigeration machine, has the incomparable good characteristic of heating power expansion valve, for the intellectuality control of refrigeration system provides condition, is a kind of rising auto-control energy-saving element.Whether electric expansion valve machines and will detect, detect it and can leak, and this is a very important detection index, therefore needs to provide a kind of fixture that detects use, and each workpiece is detected.
Utility model content
Based on above problem, the technical problems to be solved in the utility model is to provide a kind of electric expansion valve helium inspection fixture, and it can carry out anti-leak detection to electric expansion valve, can detect the electric expansion valve of different model, and detection efficiency is high, safe.
For solving above technical matters, the utility model has adopted following technical scheme:
The utility model provides a kind of electric expansion valve helium inspection fixture, comprise that the cylinder of bleeding is filled at least one straight tube positioning seat, at least one bend pipe positioning seat, at least one straight tube sealing, at least one bend pipe sealing is filled the cylinder of bleeding, base plate and movably adjusts plate, described straight tube positioning seat and straight tube sealing are filled the cylinder of bleeding and are fixed on base plate, described bend pipe positioning seat and bend pipe sealing are filled the cylinder of bleeding and are fixed on adjustment plate, and described straight tube positioning seat and bend pipe positioning seat are common to be formed the locating slot of workpiece location.
Described straight tube positioning seat, bend pipe positioning seat, straight tube sealing are filled bleed cylinder and bend pipe sealing and are filled the cylinder of bleeding and all arrange in pairs, can detect two workpiece simultaneously, two straight tube positioning seats are fixing as a whole, two bend pipe positioning seats are fixing as a whole, two bend pipe positioning seats synchronously can be adjusted, easy to operate, efficiency is high.
Described electric expansion valve helium inspection also comprises double-acting cylinder, covers left palm protector assembly and right palm protector assembly on workpiece with fixture, described double-acting cylinder is arranged between described bend pipe positioning seat, the cylinder body of double-acting cylinder drives coupled left palm protector assembly and right palm protector assembly to move, make left palm protector assembly and right palm protector module cover at two above workpiece, workpiece is played to fixation, workpiece can not be ejected in the time of inflation, cause security incident.
On described adjustment plate, be provided with and adjust plate and move handwheel, rotate described adjustment plate and move handwheel and can move and adjust the position of plate.
On described straight tube positioning seat, be provided with the baffle plate of workpiece one end sealing.
The sealing of described straight tube fill the cylinder of bleeding with bend pipe sealing to fill the cylinder structure of bleeding identical, include cylinder block and be arranged on the inner chamber in cylinder block, in described cylinder block, be provided with to find time to fill to reclaim in interface, described inner chamber and be provided with piston rod.
The front end end of described piston rod is provided with sealing gasket, can better must seal.
One end of described piston rod is also provided with sleeve, and described sleeve is step-like, and described jacket casing is located at one end of piston rod, and by spacing described sealing gasket.
Adopt above technical scheme, the obtained beneficial effect of the utility model is:
The electric expansion valve helium inspection fixture that the utility model provides, it can carry out anti-leak detection to electric expansion valve, can detect the electric expansion valve of different model, and detection efficiency is high, safe.
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 electric expansion valve helium inspection fixture;
Fig. 2 is the cut-away view that the cylinder of bleeding is filled in sealing of the present utility model.
Embodiment
As shown in Figure 1, for the one-piece construction figure of fixture for electric expansion valve helium inspection described in the utility model, described electric expansion valve helium inspection is the H-shaped workpiece 17 for fixing hollow with fixture, each workpiece 17 has two mouths of pipe, two mouth of pipe centre distance, nozzle diameter and the length difference of different model workpiece 17, described workpiece 17 will with helium examine equipment find time fill recovery system and communicate, detect, ensure that workpiece 17 all can not leak when vacuumizing, inflate and exitting.Described electric expansion valve helium inspection comprises that with fixture the cylinder 4 of bleeding is filled at least one straight tube positioning seat 1, at least one bend pipe positioning seat 2, at least one straight tube sealing, at least one bend pipe sealing is filled the cylinder 3 of bleeding, base plate 8 and movably adjusts plate 9, described straight tube positioning seat 1 and straight tube sealing are filled the cylinder 4 of bleeding and are fixed on base plate 8, described bend pipe positioning seat 2 and bend pipe sealing are filled the cylinder 3 of bleeding and are fixed on adjustment plate 9, described straight tube positioning seat 1 and the common locating slot that forms place work piece of bend pipe positioning seat 2.
The cross section of straight tube positioning seat 1 is the Q-RING of an end opening, has baffle plate 11 and pilot hole 12, and pilot hole 12 is for straight tube is located, and baffle plate 11, for one end of straight tube is withstood, forms sealing.
Straight tube positioning seat 1 in the present embodiment, bend pipe positioning seat 2, straight tube sealing are filled bleed cylinder 4 and bend pipe sealing and are filled the cylinder 3 of bleeding and all arrange in pairs, can detect two workpiece 17 simultaneously, between bend pipe positioning seat 2, be also provided with double-acting cylinder 5, be pressed in left palm protector assembly 7 and right palm protector assembly 6 on workpiece 17, the cylinder body of double-acting cylinder 5 drives coupled left palm protector assembly 7 and right palm protector assembly 6 to move, two straight tube positioning seats 1 are fixing as a whole, two bend pipe positioning seats 2 are fixing as a whole, two bend pipe positioning seats 2 synchronously can be adjusted.Adjust to be also provided with on plate 9 and adjust plate and move handwheel 10, rotate described adjustment plate 10 and move handwheel and can move the position of adjusting plate 9.
As shown in Figure 2, straight tube sealing fill the cylinder 4 of bleeding with bend pipe sealing to fill cylinder 3 structures of bleeding identical, include cylinder block and be arranged on the inner chamber in cylinder block, in cylinder block, be provided with filled the recovery in interface 13, described inner chamber of finding time and be provided with piston rod 14, piston rod 14 is designed to hollow structure, and the front end end of piston rod 14 is provided with sealing gasket 15 and sleeve 16, sealing gasket 15 can better must seal, sleeve 16 is step-like, is set in one end of piston rod 14, and by spacing described sealing gasket 15.Piston rod 14 front ends communicate with workpiece 17 tube chambers, and rear end is connected finding time in cylinder block and filled recovery holes, thereby realize helium inspection equipment, workpiece 17 are found time, is inflated and exit in sealing situation.
Use step is as follows:
First, workpiece 17 is put into the H-shaped locating slot that straight tube positioning seat 1 and bend pipe positioning seat 2 form;
Then, bend pipe sealing is filled the piston rod 14 that bleed cylinder 3 and straight tube sealing fill the cylinder 4 of bleeding and is travelled forward, one end mouth of pipe of the straight tube of workpiece 17 withstands the baffle plate 11 of straight tube positioning seat 1, the front end end phase contact of two mouths of pipe of workpiece 17 and piston rod 14, piston rod 14 ends are provided with sealing gasket 15, the plane of 17 two mouths of pipe of described sealing gasket 15 workpiece pressings, forms sealing;
Finally, the cylinder body of double-acting cylinder 5 drives coupled left palm protector assembly 7 and right palm protector assembly 6 to move, left palm protector assembly 7 and right palm protector assembly 6 are covered on two workpiece 17, workpiece 17 is played to fixation, prevent that workpiece 17 from ejecting and cause security incident in when inflation.
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 (8)
1. an electric expansion valve helium inspection fixture, it is characterized in that: comprise that the cylinder of bleeding is filled at least one straight tube positioning seat, at least one bend pipe positioning seat, at least one straight tube sealing, at least one bend pipe sealing is filled the cylinder of bleeding, base plate and movably adjusts plate, described straight tube positioning seat and straight tube sealing are filled the cylinder of bleeding and are fixed on base plate, described bend pipe positioning seat and bend pipe sealing are filled the cylinder of bleeding and are fixed on adjustment plate, and described straight tube positioning seat and bend pipe positioning seat are common to be formed the locating slot of workpiece location.
2. electric expansion valve helium inspection fixture according to claim 1, is characterized in that: described straight tube positioning seat, bend pipe positioning seat, straight tube sealing are filled bleed cylinder and bend pipe sealing and filled the cylinder of bleeding and all arrange in pairs.
3. electric expansion valve helium inspection fixture according to claim 2, it is characterized in that: also comprise double-acting cylinder, cover left palm protector assembly and right palm protector assembly on workpiece, described double-acting cylinder is arranged between described bend pipe positioning seat, and the cylinder body of double-acting cylinder drives coupled left palm protector assembly and right palm protector assembly to move.
4. electric expansion valve helium inspection fixture according to claim 1, is characterized in that: on described adjustment plate, be provided with adjustment plate and move handwheel.
5. electric expansion valve helium inspection fixture according to claim 1, is characterized in that: on described straight tube positioning seat, be provided with the baffle plate of workpiece one end sealing.
6. electric expansion valve helium inspection fixture according to claim 1, it is characterized in that: the sealing of described straight tube fill the cylinder of bleeding with bend pipe sealing to fill the cylinder structure of bleeding identical, include cylinder block and be arranged on the inner chamber in cylinder block, in described cylinder block, being provided with filled the recovery in interface, described inner chamber of finding time and being provided with piston rod.
7. electric expansion valve helium inspection fixture according to claim 6, is characterized in that: the front end end of described piston rod is provided with sealing gasket.
8. electric expansion valve helium inspection fixture according to claim 7, is characterized in that: the front end end of described piston rod is also provided with sleeve, and described sleeve is step-like, and described jacket casing is located at one end of piston rod, and by spacing described sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838518.3U CN203705132U (en) | 2013-12-18 | 2013-12-18 | Electronic expansion valve helium test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838518.3U CN203705132U (en) | 2013-12-18 | 2013-12-18 | Electronic expansion valve helium test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705132U true CN203705132U (en) | 2014-07-09 |
Family
ID=51055554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320838518.3U Expired - Lifetime CN203705132U (en) | 2013-12-18 | 2013-12-18 | Electronic expansion valve helium test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705132U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267303A (en) * | 2017-01-03 | 2018-07-10 | 权星精机（上海）股份有限公司 | Expansion valve monitor station |
| CN110501121A (en) * | 2018-05-17 | 2019-11-26 | 盾安环境技术有限公司 | Shut-off valve helium examines tooling and its helium examines equipment |
| CN113432804A (en) * | 2021-06-21 | 2021-09-24 | 宁波松鹰汽车部件有限公司 | Helium detection device and detection method for expansion valve |
-
2013
- 2013-12-18 CN CN201320838518.3U patent/CN203705132U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267303A (en) * | 2017-01-03 | 2018-07-10 | 权星精机（上海）股份有限公司 | Expansion valve monitor station |
| CN108267303B (en) * | 2017-01-03 | 2024-03-22 | 权星智控系统工程(上海)股份有限公司 | Expansion valve detects platform |
| CN110501121A (en) * | 2018-05-17 | 2019-11-26 | 盾安环境技术有限公司 | Shut-off valve helium examines tooling and its helium examines equipment |
| CN113432804A (en) * | 2021-06-21 | 2021-09-24 | 宁波松鹰汽车部件有限公司 | Helium detection device and detection method for expansion valve |
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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: 20140709 |
|
| CX01 | Expiry of patent term |