CN207335983U - A kind of fixture for detecting air leakage of new energy car battery lid - Google Patents
A kind of fixture for detecting air leakage of new energy car battery lid Download PDFInfo
- Publication number
- CN207335983U CN207335983U CN201721412024.3U CN201721412024U CN207335983U CN 207335983 U CN207335983 U CN 207335983U CN 201721412024 U CN201721412024 U CN 201721412024U CN 207335983 U CN207335983 U CN 207335983U
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- groove
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- bottom plate
- fixture
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Abstract
The utility model discloses a kind of fixture for detecting air leakage of new energy car battery lid, including top plate and bottom plate, the top plate bottom offers the first groove, the bottom plate top offers second groove opposite with the first groove location, when top plate is fixedly connected with bottom plate, the top plate is tightly connected with bottom plate, first groove and the second groove form an accommodating cavity for being used for placing battery lid, the top plate offers third through-hole in the position of corresponding battery cover explosionproof hole, and fourth hole and fifth hole are offered respectively in the position of the positive electrode seat of corresponding battery cover and anode seat, the air admission hole for being communicated to the second groove is offered on the bottom plate.The battery cover fixture for detecting air leakage of the utility model has the advantages that simple in structure, easy to operate and precision is high.
Description
Technical field
The utility model belongs to new-energy automobile field, more particularly to a kind of gas work of leaking hunting of new energy car battery lid
Dress.
Background technology
At present, the lithium battery casing on existing new-energy automobile is hermetically sealed in order to realize, often by high-energy-density lithium from
The liquid injection hole of sub- battery is arranged on battery container, and battery container sealing is usually that stainless steel case is carried out hermetically sealed welding；
After shell structure assembling battery so out, the leak rate of battery entirety is more than 10-8~Pam3/S, it is difficult to meets empty
Between use energy-density lithium ion battery requirement.
Lithium ion battery cell is after entering shell and having welded, it is necessary to which the sealing to lithium ion battery carries out sealing propertytest, so
After reinject electrolyte.The lithium battery cap leak-checking apparatus used on current most of new-energy automobile lithium battery production lines is simpler
Single, precision of leaking hunting is not high.
Utility model content
The purpose of this utility model is to provide a kind of high and simple in structure new energy car battery lid of precision of leaking hunting
Fixture for detecting air leakage.
To achieve these goals, the technical solution that the utility model is taken is：
A kind of fixture for detecting air leakage of new energy car battery lid provided by the utility model, including top plate and bottom plate, the top
The first groove is offered on plate, second groove opposite with the first groove location is offered on the bottom plate and be communicated to this
The air admission hole of two grooves, the top plate are tightly connected with bottom plate, and the first groove and the second groove form one and be used for placing battery lid
Accommodating cavity, the top plate offer third through-hole in the position of corresponding battery cover explosionproof hole and in the corresponding positive electrode seats of battery cover
Fourth hole and fifth hole are offered respectively with the position of anode seat.
Further, which is made of the first blind hole and the second blind hole, and the aperture of second blind hole is blind more than first
Hole, the first blind hole one end are communicated to the second groove, and the other end is connected with the second blind hole, and second blind hole is away from the first blind hole end
External gas source.Second blind hole aperture is more than the first blind hole, in order to which source of the gas gas outlet can be connected well with the second blind hole, with
And increase air pressure after compressed air enters the first blind hole.
Further, first blind hole and the second blind hole are cylindrical hole, and cylindrical hole is easier to open up.
Further, be also connected with being provided with a gasket between the top plate and bottom plate, by the gasket realize top plate with
Sealing between bottom plate, to improve the sealing performance between top plate and bottom plate when carrying out survey leakage test.
Further, the top plate and bottom plate are achieved a fixed connection by bolt, and mode is fixedly connected with to be conventional, easily real
It is existing.
Further, first groove and the second groove are square groove, and top plate is corresponding to the length of the first groove
The both sides on side offer three the first threaded holes side by side respectively, and bottom plate opens up respectively in the both sides of the long side of corresponding second groove
Have three the second threaded holes side by side, the first threaded hole and the second threaded hole pore size are the same, and six the first threaded holes and
Six the second screw thread hole sites correspond.Locked respectively in six pairs of through holes by six bolts so that top plate and bottom plate are consolidated
Even excellent.
Further, the openings of sizes of first groove and the second groove is just the same, to increase the gas of the accommodating cavity
Close property.
The utility model is had the advantages that using as above technical solution：
The new energy car battery lid fixture for detecting air leakage of the utility model has simple in structure, the easy to operate and precision high etc. excellent
Point.
Brief description of the drawings
Fig. 1 is the present embodiment general assembly schematic perspective view；
Fig. 2 is the present embodiment schematic perspective view (omission top plate)；
Fig. 3 is the present embodiment bottom plate schematic perspective view；
Fig. 4 is the present embodiment top plate elevational schematic view.
Embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings is in the utility model exposure
A part for appearance, it can coordinate the associated description of specification to explain the running of embodiment original mainly to illustrate embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Figure 1-Figure 4, the fixture for detecting air leakage of a kind of new energy car battery lid provided in this embodiment, including top plate
1 and bottom plate 2,1 bottom of top plate offer the first groove 11, which offers opposite with 11 position of the first groove
Second groove 21, the top plate 1 are tightly connected with bottom plate 2, which forms one and be used for placing battery
The accommodating cavity of lid 3, the top plate 1 offer third through-hole 12 in the position of corresponding 3 explosionproof hole 31 of battery cover and in corresponding electricity
The position of the positive electrode seat 32 of pond lid 3 and anode seat 33 offers fourth hole 13 and fifth hole 14 respectively, is offered on the bottom plate 2
The air admission hole 4 of the second groove 21 is communicated to, before being inflated to the air admission hole 4, whole group component is put into the container equipped with liquid,
Test is inflated again.
In the present embodiment, which is made of the first blind hole and the second blind hole, and the aperture of second blind hole is more than first
Blind hole, the first blind hole one end are communicated to the second groove 21, and the other end is connected with the second blind hole, and second blind hole is blind away from first
Nose end external gas source (source of the gas in the present embodiment is air compressor, but not limited to this, this will not be detailed here).Second is blind
Hole aperture is more than the first blind hole, in order to which source of the gas gas outlet can be connected well with the second blind hole, and compressed air into
Increase air pressure after entering to the first blind hole.Preferably, first blind hole and the second blind hole are cylindrical hole.
As depicted in figs. 1 and 2, it is also connected with being provided with a gasket 5 between the top plate 1 and bottom plate 2, passes through the gasket 5
The sealing between top plate 1 and bottom plate 2 is realized, to improve the leakproofness between top plate 1 and bottom plate 2 when carrying out survey leakage test
Energy.
As Figure 1-Figure 4, the top plate 1 and bottom plate 2 are achieved a fixed connection by bolt, and mode is fixedly connected with to be conventional,
It is easy to implement.
As shown in figs 2-4,11 and second groove 21 of the first groove is square groove, and top plate 1 is corresponding first
The both sides of the long side of groove 11 offer three the first threaded holes 15 side by side, length of the bottom plate 2 in corresponding second groove 21 respectively
The both sides on side offer three the second threaded holes 25 side by side, 25 pore size one of the first threaded hole 15 and the second threaded hole respectively
Sample, and six the first threaded holes 15 and six 25 positions of the second threaded hole correspond.Six pairs are locked respectively by six bolts
In through hole so that the connected excellent of top plate 1 and bottom plate 2.
Further, the openings of sizes of 11 and second groove 21 of the first groove is just the same, to increase the accommodating cavity
Air-tightness.
The battery cover fixture for detecting air leakage of the utility model has the advantages that simple in structure, easy to operate and precision is high.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (7)
- A kind of 1. fixture for detecting air leakage of new energy car battery lid, it is characterised in that：Including top plate and bottom plate, opened up on the top plate There is the first groove, second groove opposite with the first groove location is offered on the bottom plate and is communicated to second groove Air admission hole, the top plate are tightly connected with bottom plate, and the first groove and the second groove form an accommodating cavity for being used for placing battery lid, The top plate offers third through-hole in the position of corresponding battery cover explosionproof hole and in the positive electrode seat of corresponding battery cover and anode seat Position offers fourth hole and fifth hole respectively.
- 2. the fixture for detecting air leakage of new energy car battery lid according to claim 1, it is characterised in that：The air admission hole is by One blind hole and the second blind hole are formed, and the aperture of second blind hole is more than the first blind hole, and it is recessed which is communicated to second Groove, the other end are connected with the second blind hole, and second blind hole is away from the first blind hole end external gas source.
- 3. the fixture for detecting air leakage of new energy car battery lid according to claim 2, it is characterised in that：First blind hole and Second blind hole is cylindrical hole.
- 4. the fixture for detecting air leakage of new energy car battery lid according to claim 1, it is characterised in that：The top plate and bottom plate Between be also connected with being provided with a gasket, the sealing between top plate and bottom plate is realized by the gasket.
- 5. the fixture for detecting air leakage of new energy car battery lid according to claim 1, it is characterised in that：The top plate and bottom plate Achieved a fixed connection by bolt.
- 6. the fixture for detecting air leakage of new energy car battery lid according to claim 5, it is characterised in that：First groove It is square groove with the second groove, top plate offers three first side by side respectively in the both sides of the long side of corresponding first groove Threaded hole, bottom plate offer three the second threaded holes side by side, the first screw thread respectively in the both sides of the long side of corresponding second groove Hole is as the second threaded hole pore size, and six the first threaded holes and six the second screw thread hole sites correspond.
- 7. the fixture for detecting air leakage of new energy car battery lid according to claim 1, it is characterised in that：First groove and The openings of sizes of second groove is just the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412024.3U CN207335983U (en) | 2017-10-30 | 2017-10-30 | A kind of fixture for detecting air leakage of new energy car battery lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412024.3U CN207335983U (en) | 2017-10-30 | 2017-10-30 | A kind of fixture for detecting air leakage of new energy car battery lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207335983U true CN207335983U (en) | 2018-05-08 |
Family
ID=62363115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721412024.3U Active CN207335983U (en) | 2017-10-30 | 2017-10-30 | A kind of fixture for detecting air leakage of new energy car battery lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207335983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780874A (en) * | 2020-12-30 | 2021-05-11 | 广州茗点智能装备有限公司 | Battery package dashes end cap frock soon |
-
2017
- 2017-10-30 CN CN201721412024.3U patent/CN207335983U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780874A (en) * | 2020-12-30 | 2021-05-11 | 广州茗点智能装备有限公司 | Battery package dashes end cap frock soon |
| CN112780874B (en) * | 2020-12-30 | 2021-12-24 | 广州茗点智能装备有限公司 | Battery package dashes end cap frock soon |
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