CN208937274U - A kind of air tightness test tooling - Google Patents
A kind of air tightness test tooling Download PDFInfo
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- CN208937274U CN208937274U CN201821860957.3U CN201821860957U CN208937274U CN 208937274 U CN208937274 U CN 208937274U CN 201821860957 U CN201821860957 U CN 201821860957U CN 208937274 U CN208937274 U CN 208937274U
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Abstract
The utility model relates to a kind of air tightness test toolings, including pedestal；Plummer, on the base, for carrying and fixing product to be measured, the end to be checked of product to be measured is located at the outside of described plummer one end for setting；Elastic sealing element, one end are to have reeded sealed end, and the sealed end is towards the end to be checked of product to be measured, and the spacing between at least a pair of opposite side wall of the groove is gradually small to slot bottom direction, and the slot bottom of the groove can be connected to tracheae；The edge that groove on the elastic sealing element is configured as covering on the end to be checked of product to be measured, sealing the end to be checked encloses cavity.
Description
Technical field
The utility model belongs to mechanical equipment technical field, more specifically, the utility model relates to a kind of air tightness tests
Tooling.
Background technique
The shell of some products is molded to be formed with plastic parts using metalwork, and product itself has the air-tightness of shell
Index request, this requires to carry out air tightness test to its bond area after the completion of injection molding, to improve the yields of product.
In the prior art, partially sealed test, this test side are carried out to injection molding bond area usually using air tightness test tooling
Formula efficiency is lower；Especially when being molded bond area close to enclosure corner, marginal gap is small to allow to carry out partially sealed difficulty
Degree increases, and causes the error of test result larger.
Therefore, it is necessary to provide a kind of improved air tightness test tooling.
Utility model content
One purpose of the utility model is to provide a kind of technical solution of air tightness test tooling.
One aspect according to the present utility model provides a kind of air tightness test tooling, comprising:
Pedestal；
Plummer, on the base, for carrying and fixing product to be measured, the end to be checked of product to be measured is located at institute for setting
State the outside of plummer one end；
Elastic sealing element, one end are to have reeded sealed end, and the sealed end is described towards the end to be checked of product to be measured
Spacing between at least a pair of opposite side wall of groove is gradually small to slot bottom direction, and the slot bottom of the groove can be connected to tracheae；
Groove on the elastic sealing element is configured as covering on the end to be checked of product to be measured, seals the end to be checked
Edge encloses cavity.
Optionally, the sealed end of the elastic sealing element has the lug boss of outwardly convex, a pair of of spacing on the groove
Gradually small two side walls are denoted as high wall, short wall, and the high wall is the side wall of the lug boss side, and the high wall is waited for for close neighbour
It surveys product and is located at plummer Ding Bu and the product surface adjacent with end to be checked.
Optionally, the high wall and short wall are crossed to form the groove；Alternatively, the slot bottom of the groove inclines to the high wall
Tiltedly.
Optionally, the elastic sealing element is covered on the end to be checked of product to be measured by press force driving, press force direction phase
For the top droop of the plummer.
It optionally, further include cover board, the cover board is pressed together on plummer, product to be measured can be fixed on the carrying
On platform, or/and a side wall of the elastic sealing element upper groove can be pressed together on product to be measured.
Optionally, on the base, the cover board and the plummer are wide for the plummer recess setting.
Optionally, it is provided with positioning column on the plummer, is provided on the cover board and determines with what the positioning column cooperated
Position hole.
It optionally, further include briquetting, the elastic sealing element is embedded on the briquetting, and the briquetting deviates from the carrying
The one side of platform is for carrying press force.
Optionally, the gas-tpe fitting being provided on the briquetting on the outside of briquetting, the gas-tpe fitting and the elasticity
The slot bottom of sealing element is connected to.
It optionally, further include the pressure holding mechanism of setting on the base, the pressure holding mechanism is configured to drive
The elastic sealing element is sealed on the end to be checked of product to be measured and is able to maintain force state.
One of the utility model has technical effect that the utility model can be used in carrying out air-tightness inspection to product to be measured
It surveys.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiments of the present invention, and uses together with the description
In explanation the principles of the present invention.
Fig. 1 is the structural schematic diagram of some embodiments of the utility model；
Fig. 2 is the partial structurtes schematic cross-sectional view of some embodiments of the utility model；
Fig. 3 is the theory structure schematic diagram of some embodiments of the utility model；
Fig. 4 is the theory structure schematic diagram of other embodiments of the utility model；
In figure: 1 pedestal, 2 plummers, 21 positioning columns, 3 elastic sealing elements, 31 grooves, 32 lug bosses, 33 high walls, 34 power
Direction, 4 cover boards, 41 location holes, 5 briquettings, 51 gas-tpe fittings, 6 pressure holding mechanisms, 7 products to be measured, 71 ends to be checked.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another
It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
A kind of air tightness test tooling provided by the utility model, in some embodiments, referring to Fig.1-2, including pedestal
1, plummer 2 and elastic sealing element 3.
The plummer 2 is arranged on the pedestal 1.The plummer 2 is to be measured for carrying and fixing product 7 to be measured
The end to be checked 71 of product 7 is located at the outside of described 2 one end of plummer.The bond area of metalwork and moulding is usually located to be measured
The end to be checked 71 of product 7, the end to be checked 71 of product 7 to be measured is for being detected air-tightness.Product to be measured can be complete for one
Commercial product is also possible to component part of another complete product, such as its partial shell etc., and the application is not intended to limit this.
One end of the elastic sealing element 3 is sealed end, and the sealed end is towards the end to be checked 71 of product 7 to be measured.It is described
There is groove 31, the opening of groove 31 is towards the end 71 to be checked on sealed end.
At least a pair of opposite side wall on the groove 31, between spacing it is gradually small to slot bottom direction so that more to slot
The opening section in bottom direction, groove 31 is smaller.Groove 31 on the elastic sealing element 3 covers on the end to be checked 71 of product 7 to be measured
On, a certain opening section that the side wall of groove 31 encloses is contacted with the edge at the end 71 to be checked to be agreed with, in sufficiently strong pressure
Under the action of holding force, the side wall of groove 31 can seal the edge at end 71 to be checked, 71 closed pockets 31 of end to be checked, 71 He of end to be checked
Part recess 31 is enclosed a closed cavity.
The slot bottom of the groove 31 is connected to tracheae.It is airtight that tracheae is connected to air pump, compressed air hose, pressure gauge of peripheral hardware etc.
Property detection device, ventilate in the closed cavity being enclosed to end 71 to be checked and part recess 31, in measurement ventilation rear chamber
Pressure change, to judge whether air-tightness is good.Air pressure can stablize test value for a period of time, just illustrate that air-tightness is good
It is good；If air pressure can not form stable test value, illustrate that air-tightness is bad.
Product to be measured can be tested in the air-tightness of bond area using the utility model.
In some embodiments, the elastic sealing element 3 can be using flexible materials such as plastic cement, silica gel, rubber
It is made, the application is not intended to limit this.
In some embodiments, referring to Fig. 2, the sealed end of the elastic sealing element 3 has the lug boss 32 of outwardly convex.
Gradually small two side walls are denoted as high wall 33, short wall to a pair of of spacing on the groove 31.The high wall 33 is also the lug boss 32
The side wall of side, i.e., the described groove 31 is adjacent with lug boss 32, and the side wall along lug boss 32 is to opening up inside sealed end.It is located at
The product surface at 2 top of plummer is adjacent with end 71 to be checked, and high wall 33 close neighbour in air-leakage test product 7 to be measured is located at
The bond area of the product surface at 2 top of plummer, metalwork and moulding is located at end 71 to be checked and the intersection of the product surface
When position, is extended over to the product surface by high wall 33, can be improved elastic sealing element 3 to the airtight of end 71 to be checked
Performance.
In some embodiments, the high wall and short wall are crossed to form the groove, perpendicular on the section of opening section,
Referring to Fig. 3, groove can be approximated to be V-structure, U-shaped structure etc..In some other embodiments, referring to Fig. 4, it is also possible to
The slot bottom of groove is tilted to the high wall.When groove 31 is located on end 71 to be checked, it is capable of forming sealing space.
In some embodiments, referring to Fig.1-2, the elastic sealing element 3 is located at product 7 to be measured by press force driving
On end 71 to be checked, and sealing state is kept by press force.Top droop of the direction 34 of power relative to the plummer 2, makes
High wall 33 and product 7 to be measured are located at product surface, short wall at the top of plummer 2 and contact with the lower edges at end 71 to be checked, pressure
Holding force can decompose to obtain the power perpendicular to the product surface and end to be checked 71, act on high wall 33 and short wall and improve its sealing
Performance.Another pair side wall of groove 31 similarly, repeats no more.
Further, referring to Fig.1-2, top droop of the direction of press force relative to the plummer 2, can also make to
The intersection location of inspection end 71 and the product surface is located in the sealed chamber enclosed.
In some embodiments, referring to Fig.1, air tightness test tooling further includes cover board 4.The cover board 4 is pressed together on carrying
On platform 2.It can be after plummer 2 positions product 7 to be measured, cover board 4 and plummer 2 grip product 7 to be measured, are convenient for this tooling
In production line operation to the quick-replaceable of product.
In some embodiments, referring to Fig.1, air tightness test tooling further includes pressure holding mechanism 6.The pressure holding mechanism 6 is set
It sets on the pedestal 1.The cooperation of the structure members such as the pressure holding mechanism 6 and elastic sealing element 3, cover board 4, provides pressure holding for it
Power, and it is able to maintain force state.The pressure holding mechanism 6 can be the pressure holding such as elbow shown in Fig. 2 folder mechanism, convenient for quickly unloading
Power, dismantling cover board 4 wait structure members.
Further, including multiple pressure holding mechanisms 6, it is symmetrical arranged, so that the structure members such as elastic sealing element 3, cover board 4 are again
Uniform force when being pressed, prevents deflection.
In some embodiments, referring to Fig.1, for cover board 4 close to a concave end at end 71 to be checked, cover board 4 is pressed together on plummer 2
There is gap between product to be measured 7, when elastic sealing element 3 is located on end 71 to be checked, lug boss 32 be can extend into when upper
The product surface for being pressed together on product 7 to be measured is limited in the gap by cover board 4, improves its air-tightness.
In some embodiments, the recess of plummer 2 is arranged on the pedestal 1, the cover board 4 and the plummer
2 is wide, convenient for the installation of cover board 4, prevents its sideslip.
In some embodiments, referring to Fig.1, it is provided with positioning column 21 on the plummer 2, is provided on the cover board 4
With the location hole 41 of the positioning column 21 cooperation, cover board 4 is accurately installed in place.
In some embodiments, referring to Fig.1, air tightness test tooling further includes briquetting 5.The elastic sealing element 3 is embedded
On the briquetting 5, the briquetting 5 away from the plummer 2 one side for carrying press force, by briquetting 5 by press force
It is evenly distributed on elastic sealing element 3.Press force is applied on soft elastic sealing element 3 by fixed point, be easy to make its by
Power is uneven, sealing performance decline.Power can be changed into face power by the briquetting 5 of hard material and act on elastic sealing element 3
On, so that its stress equalization.
Further, elastic sealing element 3 is embedded on the briquetting 5, is also convenient for replacement, adjustment elastic sealing element 3, so that
The open cross sectional shape of groove 31 on elastic sealing element 3 is corresponding with the shape of test side 71 of product 7 to be measured.
In some embodiments, referring to Fig.1, the gas-tpe fitting 51 positioned at 5 outside of briquetting, institute are provided on the briquetting 5
One end of gas-tpe fitting 51 is stated for being connected to air tightness detection equipments such as the air pump of peripheral hardware, compressed air hose, pressure gauges；It is another
End is connected to the slot bottom of elastic sealing element 3 described on briquetting 5.Such as sealing element 3 has the channel for being connected to the slot bottom, it is described
Channel is set on the other end of the gas-tpe fitting 51；Or be connected in gas-tpe fitting 51 and briquetting 5, elastic sealing element 3
It forms, the application such as is connected in slot bottom and briquetting 5 to be not intended to limit this.
Although being described in detail by some specific embodiments of the example to the utility model, this field
It is to be understood by the skilled artisans that above example merely to be illustrated, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments
It modifies.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of air tightness test tooling characterized by comprising
Pedestal；
Plummer, on the base, for carrying and fixing product to be measured, the end to be checked of product to be measured is located at described hold for setting
The outside of microscope carrier one end；
Elastic sealing element, one end are to have reeded sealed end, and the sealed end is towards the end to be checked of product to be measured, the groove
Spacing between at least a pair of opposite side wall is gradually small to slot bottom direction, and the slot bottom of the groove can be connected to tracheae；
Groove on the elastic sealing element is configured as covering on the end to be checked of product to be measured, sealing the edge at the end to be checked
Enclose cavity.
2. air tightness test tooling according to claim 1, which is characterized in that the sealed end of the elastic sealing element has
The lug boss of outwardly convex, gradually small two side walls are denoted as high wall, short wall to a pair of of spacing on the groove, and the high wall is described
The side wall of lug boss side, the high wall is located at the top of plummer for close neighbour's product to be measured and the product adjacent with end to be checked
Surface.
3. air tightness test tooling according to claim 2, which is characterized in that the high wall and short wall are crossed to form described
Groove；Alternatively, the slot bottom of the groove is tilted to the high wall.
4. air tightness test tooling according to claim 2, which is characterized in that the elastic sealing element is driven by press force
It covers on the end to be checked of product to be measured, top droop of the press force direction relative to the plummer.
5. air tightness test tooling according to claim 1, which is characterized in that further include cover board, the cover board is pressed together on
On plummer, product to be measured can be fixed on the plummer, or/and can be by the one of the elastic sealing element upper groove
A side wall is pressed together on product to be measured.
6. air tightness test tooling according to claim 5, which is characterized in that the plummer recess is arranged at the bottom
On seat, the cover board and the plummer are wide.
7. air tightness test tooling according to claim 5, which is characterized in that it is provided with positioning column on the plummer,
The location hole with positioning column cooperation is provided on the cover board.
8. air tightness test tooling according to claim 1, which is characterized in that it further include briquetting, the elastic sealing element
It is embedded on the briquetting, the briquetting is used to carry press force away from the one side of the plummer.
9. air tightness test tooling according to claim 8, which is characterized in that be provided with outside briquetting on the briquetting
The gas-tpe fitting of side, the gas-tpe fitting are connected to the slot bottom of the elastic sealing element.
10. air tightness test tooling according to claim 1, which is characterized in that further include being arranged on the base
Press mechanism, the pressure holding mechanism is configured to the elastic sealing element is driven to be sealed on the end to be checked of product to be measured,
And it is able to maintain force state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821860957.3U CN208937274U (en) | 2018-11-12 | 2018-11-12 | A kind of air tightness test tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821860957.3U CN208937274U (en) | 2018-11-12 | 2018-11-12 | A kind of air tightness test tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208937274U true CN208937274U (en) | 2019-06-04 |
Family
ID=66727457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821860957.3U Active CN208937274U (en) | 2018-11-12 | 2018-11-12 | A kind of air tightness test tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208937274U (en) |
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2018
- 2018-11-12 CN CN201821860957.3U patent/CN208937274U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201015 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |