CN207036360U - There is water gas testing frock - Google Patents
There is water gas testing frock Download PDFInfo
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- CN207036360U CN207036360U CN201720660611.8U CN201720660611U CN207036360U CN 207036360 U CN207036360 U CN 207036360U CN 201720660611 U CN201720660611 U CN 201720660611U CN 207036360 U CN207036360 U CN 207036360U
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- Prior art keywords
- pedestal
- gas testing
- pellet
- end cap
- water gas
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Abstract
The utility model is related to one kind has water gas testing frock, and the frock for solving the problems, such as not had when prior art carries out air tightness test to electric motor end cap causes test department accurate, the technical scheme of use：Pedestal including hollow cavity, the central seal component being arranged in the pedestal inner chamber, it is arranged at outer side seal component on the pedestal seam, gas testing passage is set on the pedestal, the outer end of the gas testing passage sets air inlet, drainage channel is set in the pedestal, and the base outer wall sets draining valve, and the draining valve is arranged at the draining circulation passage outer end；In use, placing an end cap on pedestal inner chamber, the central seal component and outer side seal components distribution seal the lateral wall and madial wall of the end cap.Its effect：The accuracy of gas testing frock inspection is added, the sealing station that sealing structure is formed is located at the welding position that end cap is welded on motor, is advantageous to sudden and violent drain terminal and covers potential air leakage point.
Description
Technical field
The utility model is related to one kind has water gas testing frock, for detecting the air-tightness of electric motor end cap.
Background technology
Shield electric machine is mainly welded as the stationary part of canned motor pump by casing and end cap, because Cover members may
Stomata be present, if whole pump gas testing easily causes scrapping for whole water pump again after welding, be added significantly to production cost.Therefore need
Sealing property inspection is carried out to end cap in advance.
In general gas testing frock entirely blocks up the hole of tested end cap mainly by rubber seal, then ventilation test gas
Close property, due to the complexity of end cover structure, it can not determine to reveal position, the stomata on end cap is easy to be pushed down by rubber seal
Cause stomata can not gas leakage, influence gas testing detection accuracy.
Utility model content
The purpose of this utility model is to solve above mentioned problem existing for prior art and providing one kind has water gas testing frock,
End cap is positioned in gas testing frock, pressure ring, end cap and sealing mandrel and pad are molded tightly by startup press-loading device, and then ventilation does not have
Enter in water, in addition to the cable aperture on end cap, through hole are by seal conventional hermetic, only lead to respectively in the inner and outer wall of end cap
Cross two sealed structures and form sealing, other positions are naked state, can be very clearly and easy when carrying out gas testing detection
It is determined that leakage position, avoid after welding that whole pump gas testing easily causes scrapping for whole water pump again, be greatly lowered production and processing into
This.
What above-mentioned technical purpose of the present utility model mainly solved by the following technical programs：There is water gas testing frock, its
The pedestal for including hollow cavity is characterised by, the central seal component being arranged in the pedestal inner chamber, is arranged at the pedestal
Outer side seal component on seam, gas testing passage is set on the pedestal, and the outer end of the gas testing passage sets air inlet, the base
Drainage channel is set in seat, and the base outer wall sets draining valve, and the draining valve is arranged at the drainage channel outer end；Use
When, an end cap is placed on pedestal inner chamber, and the central seal component and outer side seal component seal the outside of the end cap respectively
Wall and madial wall, seal inner formed of gas testing passage, it is described to there is water gas testing frock to be used to carry out air-tightness inspection to the end cap
Survey.End cap is positioned in gas testing frock, starts press-loading device and pressure ring, end cap and sealing mandrel is molded tight, Ran Houtong with pad
Gas is submerged in water, in addition to the cable aperture on end cap, through hole are by seal conventional hermetic, the inner and outer wall point only in end cap
Do not formed and sealed by two sealed structures（The sealing station that sealing structure is formed is located at the welding position that end cap is welded on motor
Put, be advantageous to sudden and violent drain terminal and cover potential air leakage point）, other positions are naked state, can be very bright when carrying out gas testing detection
Leakage position is determined really and readily, avoids after welding that whole pump gas testing easily causes scrapping for whole water pump again, is greatly lowered
Produce and process cost.
In order to ensure the discharge of frock internal water accumulation, the draining valve on drainage channel and lateral wall is set on the pedestal.
As further improving and supplementing to above-mentioned technical proposal, the utility model uses following technical measures：It is described
Outer side seal component includes the first O-ring seals being arranged on the pedestal seam, is pressed on first O-ring seals
Bezel ring, when loading end cap and applying pressure to the bezel ring, the first O-ring seals deformation, opposite end outer side of lid wall forms close
Envelope coordinates.In addition to the cable aperture on end cap, through hole are by seal conventional hermetic, only lead to respectively in the inner and outer wall of end cap
Cross twice O-ring seals and form sealing, the area of O-ring seals covering is small, makes end cap more many areas exposed.
Specifically：The longitudinal terminal surface of the bezel ring, is in zigzag, and the foot of the bezel ring, is pressed in the first O shapes sealing
On circle, the shoulder of the bezel ring, is buckled on the pedestal seam end face, the vertical portion of the bezel ring, and the pedestal seam position
Inwall formed grafting.
The central seal component includes：Pellet, the pellet lid coordinated with the pellet, the pellet outer set the
Two O-ring seals, the pellet lid are pressed on second O-ring seals, load end cap and the pellet lid is applied
During pressure, the second O-ring seals deformation, sealing is formed to end cap madial wall and coordinated.
The pellet is located at center of gravity direction on the lower side and sets horizontal flange, and second O-ring seals set the transverse direction to turn over
Bian Shang, there is lower hem on the pellet lid, the lower hem is pressed on second O-ring seals, in use, described
The bottom edge of two O-ring seals and end cap madial wall coordinates.
The pellet lower end has plug division, and the pedestal intracavity bottom sets groove, and the plug division inserts in described recessed
In groove, the pellet top is stairstepping, and the ladder upwardly extends, and the horizontal flange is located at the bottom of hierarchic structure, institute
State pellet lid with pellet top profile to coordinate, form snapping relation.For the ease of the observation of the potential leakage bubble of end cap, by core
Block and pellet lid are designed to ladder fashion, and from the bottom up, cross-sectional area progressively reduces, so as to increase in pellet lid and end cap
Spacing between wall, be advantageous to the discharge of potential leakage point bubble, convenient observation.
Alignment pin is set in the pedestal inner chamber, in use, in the cable aperture of alignment pin insertion end cap, opposite end cap-shaped
Into positioning.
Rubber stopper is set in the pedestal inner chamber, in use, the through hole on the rubber stopper seal end cap.
There is the application of water gas testing frock, it is characterised in that：
End cap is put into the pedestal inner chamber, pellet and the pellet lid is passed through the central shaft hole of the end cap；
Hole on end cover；
The bezel ring, pellet lid, end cap, plug are pressed simultaneously, make first O-ring seals and the 2nd O shapes close
Seal forms radial direction deformation, and first O-ring seals make the pedestal, bezel ring, end cap outer wall form sealing；2nd O
Shape sealing ring makes the bottom of the pellet, pellet cover plate, end cap inwall form sealing；
The end cap closes the inner of the gas testing passage；
Ventilated by the air inlet to the air inlet on pedestal
Sink under liquid level.
When being sealed to end cap and gas testing frock, the cable aperture of end cap is inserted by alignment pin, passes through rubber stopper seal
Through hole on end cap, the end cap is set to completely enclose the inner of the gas testing passage.
The utility model has the advantage that：1st, for motor, end cap gas testing provides a kind of effectively frock gas testing inspection up and down
Apparatus is surveyed, avoids problematic end cap from being welded on motor, causes bigger waste.2nd, examined to increase gas testing frock
Accuracy, the sealing station that sealing structure is formed are located at the welding position that end cap is welded on motor, are advantageous to sudden and violent drain terminal and cover
Potential air leakage point.3rd, pellet and pellet lid are designed to ladder fashion, from the bottom up, cross-sectional area progressively reduces, so as to
Increase the spacing between pellet lid and end cap inwall, be advantageous to the discharge of potential leakage point bubble, be also convenient for observation end cap and dive
The bubble produced by leakage.4th, in order to ensure the discharge of frock internal water accumulation, set on the pedestal on drainage channel and lateral wall
Draining valve.
Brief description of the drawings
Fig. 1 is that the utility model is used to assemble end cap assembling structure schematic diagram during for airtight detection.
Fig. 2 is Fig. 1 configuration schematic diagram.
Fig. 3 is Fig. 1 overlooking the structure diagram.
Fig. 4 is A-A in Fig. 3 to structural representation.
Fig. 5 is the B-B direction structural representation in Fig. 3.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment：As Figure 1-5, there is water gas testing frock, include the pedestal 1 of hollow cavity, be arranged in the pedestal
Central seal component 2 in chamber, outer side seal component 3 on the pedestal seam is arranged at, gas testing passage is set on the pedestal
4, the outer end of the gas testing passage sets air inlet 5, drainage channel is set in the pedestal, the base outer wall sets draining valve
6, the draining valve 6 is arranged at the drainage channel outer end；In use, an end cap 7, the central seal are placed on pedestal inner chamber
Component 2 and outer side seal component 3 seal the lateral wall and madial wall of the end cap 7 respectively, make gas testing passage is inner to form sealing,
It is described to there is water gas testing frock to be used to carry out air-leakage test to the end cap.End cap is positioned in gas testing frock, starts press fitting
Equipment is tight by pressure ring, end cap and sealing mandrel and pad molding, and then ventilation is submerged in water, except the cable aperture 71 on end cap, leads to
Hole 72 by seal conventional hermetic outside（Rubber stopper 9 is set in the inner chamber of pedestal 1, in use, logical on the end cover of rubber stopper 9
Hole 72）.
）, only form sealing by two sealed structures respectively in the inner and outer wall of end cap（The sealing that sealing structure is formed
Position is located at the welding position that end cap is welded on motor, is advantageous to sudden and violent drain terminal and covers potential air leakage point）, other positions are
Naked state, when carrying out gas testing detection, very it can determine clearly and readily leakage position, to avoid whole pump gas testing pole again after welding
Scrapping for whole water pump is easily caused, has been greatly lowered production and processing cost.
Gas testing frock gas testing is internal after terminating to pour in down a chimney into liquid, in order to avoid during next gas testing liquid by Gas leak position
Block, draining valve is set in the side of the gas testing frock, for removing the ponding inside the gas testing frock, is advantageous to gas testing
Accuracy.
As further improving and supplementing to above-mentioned technical proposal, the utility model uses following technical measures：It is described
Outer side seal component 3 includes the first O-ring seals 31 being arranged on the seam of pedestal 1, is pressed in first O-ring seals
On bezel ring, 32, load end cap and to the bezel ring, apply pressure when, the first O-ring seals deformation, opposite end outer side of lid wall
Sealing is formed to coordinate.In addition to the cable aperture 71 on end cap, through hole 72 are by seal conventional hermetic, only end cap inwall and
Outer wall is formed by twice O-ring seals seal respectively, and the area of O-ring seals covering is small, makes end cap more many areas exposed.
As preferred：The longitudinal terminal surface of the bezel ring, 32 is in zigzag, and it is close that the foot of the bezel ring, is pressed in the first O shapes
In seal 31, the shoulder of the bezel ring, is buckled on the pedestal seam end face, the vertical portion of the bezel ring, and the pedestal seam
The inwall of position forms grafting.
The central seal component 2 includes：Pellet 21, the pellet lid 22 coordinated with the pellet, the pellet outer
Second O-ring seals 23 are set, and the pellet lid is pressed on second O-ring seals, loads end cap and to the pellet
When lid applies pressure, the second O-ring seals deformation, sealing is formed to end cap madial wall and coordinated.
The pellet 21 is located at center of gravity direction on the lower side and sets horizontal flange 210, and second O-ring seals 23 set described
On horizontal flange 210, there is lower hem 220 on the pellet lid, the lower hem is pressed on second O-ring seals,
In use, the bottom edge of second O-ring seals and end cap madial wall coordinates.
The pellet lower end has plug division 211, and the pedestal intracavity bottom sets groove, and the plug division inserts in described
In groove, the pellet top is stairstepping, and the ladder upwardly extends, and the horizontal flange is located at the bottom of hierarchic structure,
The pellet lid coordinates with pellet top profile, forms snapping relation., will for the ease of the observation of the potential leakage bubble of end cap
Pellet and pellet lid are designed to ladder fashion, and from the bottom up, cross-sectional area progressively reduces, so as to increase pellet lid and end cap
Spacing between inwall, be advantageous to the discharge of potential leakage point bubble, convenient observation.
Alignment pin 8 is set in the inner chamber of pedestal 1, in use, in the cable aperture of alignment pin insertion end cap, to end cap
Form positioning.It is more common for hexagonal alignment pin in order to form stable positioning.
There is the application of water gas testing frock, its step includes：
1st, end cap is put into the pedestal inner chamber, pellet and the pellet lid is passed through the central shaft of the end cap
Hole；
2nd, the hole on end cover；
3 at the same to the bezel ring, pellet lid, end cap, plug press, make first O-ring seals and the 2nd O shapes
Sealing ring forms radial direction deformation, and first O-ring seals make the pedestal, bezel ring, end cap outer wall form sealing；Described second
O-ring seals make the bottom of the pellet, pellet cover plate, end cap inwall form sealing；
4th, the end cap closes the inner of the gas testing passage；
5th, ventilated by the air inlet to the air inlet on pedestal
6th, sink under liquid level.
When end cap has leakage hole, meeting effervescent, just can readily determine air leakage point in the water of the opening position, if end
The presence of no leakage hole is covered, then illustrates compound standard during end cap.There is water gas testing frock to be applied to detection motor by this
End cap, it can accurately, simply detect end cap and whether there is gas leakage.
When carrying out gas testing detection to end cap, when being sealed to end cap and gas testing frock, end cap is inserted by alignment pin
Cable aperture, the upper port of cable aperture sealed by seal assembly 10, by the through hole 72 on the end cover of rubber stopper 9, made again
The end cap completely encloses the inner of the gas testing passage.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model.Above-mentioned
In embodiment, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model, made
Any modification, equivalent substitution and improvements etc., should be included within the scope of protection of the utility model.
Claims (8)
1. there is water gas testing frock, it is characterised in that the pedestal including hollow cavity, the center being arranged in the pedestal inner chamber are close
Sealing assembly, outer side seal component on the pedestal seam is arranged at, gas testing passage is set on the pedestal, the gas testing passage
Outer end sets air inlet, and drainage channel is set in the pedestal, and the base outer wall sets draining valve, and the draining valve is arranged at
The drainage channel outer end.
2. according to claim 1 have water gas testing frock, it is characterised in that the outer side seal component includes being arranged on institute
The first O-ring seals on pedestal seam are stated, the bezel ring, being pressed on first O-ring seals.
3. according to claim 2 have water gas testing frock, it is characterised in that the longitudinal terminal surface of the bezel ring, is in zigzag, institute
The foot for stating bezel ring, is pressed on first O-ring seals, and the shoulder of the bezel ring, is buckled on the pedestal seam end face, described
The vertical portion of bezel ring, and the inwall of the pedestal seam position form grafting.
4. according to claim 1 have water gas testing frock, it is characterised in that the central seal component includes：Pellet, with
The pellet lid that the pellet coordinates, the pellet outer set the second O-ring seals, and the pellet lid is pressed in described second
On O-ring seals.
5. according to claim 4 have water gas testing frock, it is characterised in that the pellet is located at center of gravity direction on the lower side and set
Horizontal flange, second O-ring seals are set on the horizontal flange, have lower hem on the pellet lid, under described
Flanging is pressed on second O-ring seals.
6. according to claim 5 have water gas testing frock, it is characterised in that the pellet lower end has plug division, the base
Seat intracavity bottom sets groove, and the plug division is inserted in the groove, and the pellet top is stairstepping, and the ladder is upward
Extension, the horizontal flange are located at the bottom of hierarchic structure, and the pellet lid coordinates with pellet top profile, form snapping and close
System.
7. according to claim 1 have water gas testing frock, it is characterised in that sets alignment pin in the pedestal inner chamber.
8. according to claim 1 have water gas testing frock, it is characterised in that sets rubber stopper in the pedestal inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660611.8U CN207036360U (en) | 2017-06-08 | 2017-06-08 | There is water gas testing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660611.8U CN207036360U (en) | 2017-06-08 | 2017-06-08 | There is water gas testing frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036360U true CN207036360U (en) | 2018-02-23 |
Family
ID=61471215
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720660611.8U Active CN207036360U (en) | 2017-06-08 | 2017-06-08 | There is water gas testing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207036360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375872A (en) * | 2021-05-31 | 2021-09-10 | 贵州航天电子科技有限公司 | Rear cover air tightness detection device and use method thereof |
-
2017
- 2017-06-08 CN CN201720660611.8U patent/CN207036360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375872A (en) * | 2021-05-31 | 2021-09-10 | 贵州航天电子科技有限公司 | Rear cover air tightness detection device and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200723 Address after: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone Patentee after: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Address before: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone Patentee before: SHIMGE PUMP INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right |