CN209387218U - A kind of device measuring explosion-proof valve welded seal - Google Patents
A kind of device measuring explosion-proof valve welded seal Download PDFInfo
- Publication number
- CN209387218U CN209387218U CN201822060451.0U CN201822060451U CN209387218U CN 209387218 U CN209387218 U CN 209387218U CN 201822060451 U CN201822060451 U CN 201822060451U CN 209387218 U CN209387218 U CN 209387218U
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- China
- Prior art keywords
- lower cover
- clamping section
- proof valve
- support
- battery lower
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Abstract
The utility model provides a kind of device for measuring explosion-proof valve welded seal, including clamp system and support, the shapes and sizes in the section of support are identical as the shapes and sizes of the cross section of battery lower cover, clamp system includes the first clamping section and the second clamping section, the notch that can accommodate battery lower cover and support is formed after first clamping section and the cooperation of the second clamping section, the cross sectional shape and size of notch are identical as the cross-sectional shape of battery lower cover and size, support is equipped with through-hole, and through-hole is connected to by pipeline with gas source.The device detection process of the measurement explosion-proof valve welded seal is simple, convenient, safe, and is completely embedded when detection with battery lower cover, and gas leakage probability is low, keeps it higher to the accuracy in detection of sealing performance at explosion-proof valve.
Description
Technical field
The utility model relates to technical field of lithium batteries, more particularly, to a kind of dress for measuring explosion-proof valve welded seal
It sets.
Background technique
Lithium battery is common energy storage device in the market, and the energy storage devices such as battery are by shell currently on the market, upper cover, under
Lid, the handwares such as collector composition usually design in lower Gai Shangyou explosion-proof valve in order to increase the security performance of battery, prevent electricity
Pond explosion causes safety accident.Explosion rupture disk is welded with battery lower cover by Laser Welding, to test its welded seal, tradition
Method be that each handware is assembled into battery, inside battery is applied to hydraulic pressure, air pressure or oil pressure etc., until explosion-proof valve is broken
It splits, thus judges that welded seal is good.
But the method for test battery anti-explosion valve welded seal in the prior art is complicated and dangerous, it is therefore desirable to
The device or method of simpler, safety test explosion-proof valve welded seal.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of device for measuring explosion-proof valve welded seal, can it is simple,
The leakproofness of the test explosion-proof valve welding of safety, solves the problems, such as the complicated and unsafe of the prior art.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of measurement explosion-proof valve welded seal
The device of property, including clamp system and support, the shape of the cross section of the shapes and sizes and battery lower cover in the section of support and
Size is identical, and clamp system includes the first clamping section and the second clamping section, and the first clamping section is formed after cooperating with the second clamping section
The notch of battery lower cover and support, the cross sectional shape of notch and the cross-sectional shape and size phase of size and battery lower cover can be accommodated
Together, support is equipped with through-hole, and through-hole is connected to by pipeline with gas source.
In technical solution, it is preferred that the first clamping section and the second clamping section are equipped with semicircular indentations, the first clamping section and
Middle part forms circumferential notch after the cooperation of second clamping section, and the internal diameter of circumferential notch is identical as the outer diameter of battery lower cover.
In technical solution, it is preferred that clamp system is two semicircle clips.
In technical solution, it is preferred that the side wall upper part of notch and lower part are equipped with a circle annular protrusion, the convex annular on top
Play the sum of the thickness that the distance between annular protrusion of lower part is slightly larger than support and battery lower cover.
In technical solution, it is preferred that it further include O-ring, the support one side opposite with battery lower cover is equipped with annular groove,
O-ring is in annular groove.
In technical solution, it is preferred that further include gasket, gasket is set between battery lower cover and annular protrusion.
In technical solution, it is preferred that further include Telescopic rod device, the telescopic end of Telescopic rod device and the first clamping section connect
It connects.
In technical solution, it is preferred that Telescopic rod device is cylinder, and the telescopic shaft of cylinder is connect with the first clamping section.
The utility model has the advantages and positive effects of: the device detection process of the measurement explosion-proof valve welded seal
Simple, convenient, safety, and be completely embedded when detection with battery lower cover, gas leakage probability is low, makes it to leakproofness at explosion-proof valve
The accuracy in detection of energy is higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of the measurement explosion-proof valve welded seal of the utility model embodiment.
Fig. 2 is the Longitudinal cross section schematic that clamp system clamps after battery lower cover and support in the utility model embodiment.
In figure:
1, support 2, battery lower cover 3, clamping section
4, clamping section 5, through-hole 6, gas source
7, circumferential notch 8, annular protrusion 9, annular protrusion
10, annular groove 11, O-ring 12, annular groove
13, gasket 14, Telescopic rod device
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
As shown in Figure 1, a kind of device of measurement explosion-proof valve welded seal described in the present embodiment, including clamp system and
The shapes and sizes of support 1, the section of support 1 are identical as the shapes and sizes of the cross section of battery lower cover 2, and clamp system includes
Clamping section 3 and clamping section 4, clamping section 3 and clamping section 4, which are matched for clamping tightly rear middle part and are formed, can accommodate lacking for battery lower cover 2 and support 1
Mouth 7, the cross sectional shape and size of notch 7 are identical as the cross-sectional shape of battery lower cover 2 and size, and support 1 is equipped with through-hole 5,
Through-hole 5 is connected to by pipeline with gas source 6.Support 1 and battery lower cover 2 can be put in 3 He of clamping section when detecting explosion-proof valve leakproofness
In the notch 7 that clamping section 4 is formed, and clamp system is locked, support 1 and battery lower cover 2 is clamped, the notch 7 of clamp system
The surface of side wall and support 1 and battery lower cover 2 forms the space of sealing, then drips at the position of explosion-proof valve on battery lower cover 2
Pure water or alcohol, connect gas source 6, and whether gas source 6 has gas by the air inlet into sealing space of through-hole 5, observation and explosion-proof valve position
Bubble generates, if there is bubble generation then illustrates gas leakage at explosion-proof valve, if bubble-free generates, it was demonstrated that leakproofness is good, so judges
The leakproofness of explosion-proof valve welding.Explosion-proof valve welded seal, simple, convenient, safety are detected using the device.
In the device, clamping section 3 and clamping section 4 can be the plate clamping structure for being equipped with semicircular indentations, clamping section 3
Its middle part forms circumferential notch 7 after clamping with clamping section 4, and the internal diameter of circumferential notch 7 is identical as the outer diameter of battery lower cover 2.It is preferred that
, clamp system can be the structure being made of two semicircle clips, and support 1 and battery lower cover 2 are placed in two semicircles
In the circumferential notch that shape clip is formed, and by after two semicircle clip clampings, under the arc inner wall and support 1 and battery of clip
Lid 2 constitutes confined space, and since the degree of the clamping of clip is higher, side wall and the contact of support 1 and battery lower cover 2 are tighter
It is close, make its contact gap at gas leakage a possibility that it is lower, it is therefore, higher to the accuracy in detection of leakproofness at explosion-proof valve.
As shown in Fig. 2, the upper and lower part of the side wall of notch 7 is equipped with a circle annular protrusion 8,9 in preferred embodiment, on
The distance between the annular protrusion 8 and the annular protrusion 9 of lower part in portion are slightly larger than the sum of the thickness of support 1 and battery lower cover 2, annular
Annular groove 10 is formed between protrusion 8 and annular protrusion 9, the internal diameter of annular groove 10 is identical as the outer diameter of battery lower cover 2, as general
Support 1 and battery lower cover 2 are put into notch 7, and after clamp system is locked, the edge of support 1 and battery lower cover 2 is embedded in annular
In groove 10, annular groove 10 limits support 1 and the movement of battery lower cover 2 in the axial direction, make in detection process clamp system with
The cooperation of battery lower cover 2 and support 1 is more firm.
It is furthermore preferred that further including O-ring 11, the one side opposite with battery lower cover 2 of support 1 is equipped with annular groove 12, O-shaped
Circle 11 is put in notch 7 after overlapping support 1 and battery lower cover 2 in annular groove 12, is clamped the annular protrusion of mechanism
8,9 clamp after, O-ring 11 is blocked the gap between support 1 and battery lower cover 2 by itself being extruded deformation, make support 1,
Enclosure space is formed between battery lower cover 2 and O-ring, further increases the leakproofness in detection process, to improve detection knot
The accuracy of fruit.
It is furthermore preferred that further including gasket 13, gasket 13 is set between battery lower cover 2 and annular protrusion 8, due to battery lower cover
2 are generally aluminium material, and aluminium material is softer, and clip is generally iron material matter, and iron material matter is harder, if the annular protrusion for passing through clip
8,9 battery lower cover 2 and support 1 being clamped, softer battery lower cover 2 is easily squeezed and deformed or is damaged by the clip of hard, therefore,
Gasket 13 is added between clamp system and battery lower cover 2 can buffer the power that clamp system applies battery lower cover 2, prevent clamping machine
Damage of the structure to battery lower cover 2.The gasket of polytetrafluoroethylene (PTFE) material can be selected in gasket 13, it is possible to use the pad of polyurethane material
Piece, hardness is smaller, and battery lower cover 2 will not be made to deform.
It is furthermore preferred that further including Telescopic rod device 14, the telescopic end of Telescopic rod device 14 is connect with clamping section 3.When detection,
Clamping section 4 is fixed, and 14 telescopic shaft of Telescopic rod device is flexible, pushes clamping section 3 to be matched for clamping tightly with clamping section 4, to make to press from both sides
Gasket 13, battery lower cover 2, O-ring 11 and support 1 are clamped, are closed by tight mechanism, wherein and Telescopic rod device 14 can be cylinder,
The telescopic shaft of cylinder is connect with clamping section 3.The Telescopic rod device 14 can easily cooperate clamping section 3 and clamping section 4, and lead to
The promotion for crossing Telescopic rod device 14 keeps the clamping degree between clamp system closer, keeps other position gas leakage probabilities lower, inspection
It is higher to survey accuracy.
The device detection process of the measurement explosion-proof valve welded seal is simple, convenient, safety, and when detecting and battery
Lower cover is completely embedded, and gas leakage probability is low, keeps it higher to the accuracy in detection of sealing performance at explosion-proof valve.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (8)
1. a kind of device for measuring explosion-proof valve welded seal, it is characterised in that: including clamp system and support, the support
The shapes and sizes in section are identical as the shapes and sizes of the cross section of battery lower cover, and the clamp system includes the first clamping section
With the second clamping section, the battery lower cover and described can be accommodated by being formed behind first clamping section and second clamping section cooperation
The notch of support, the cross sectional shape and size of the notch are identical as the cross-sectional shape of the battery lower cover and size, described
Support is equipped with through-hole, and the through-hole is connected to by pipeline with gas source.
2. the device of measurement explosion-proof valve welded seal according to claim 1, it is characterised in that: first clamping section
Semicircular indentations are equipped with second clamping section, middle part is formed behind first clamping section and second clamping section cooperation
Circumferential notch, the internal diameter of the circumferential notch are identical as the outer diameter of the battery lower cover.
3. the device of measurement explosion-proof valve welded seal according to claim 2, it is characterised in that: the clamp system is
Two semicircle clips.
4. the device of measurement explosion-proof valve welded seal according to claim 1 to 3, it is characterised in that: the notch
Side wall upper part and lower part be equipped with a circle annular protrusion, between the annular protrusion on top and the annular protrusion of lower part away from
From the sum of the thickness for being slightly larger than the support and the battery lower cover.
5. the device of measurement explosion-proof valve welded seal according to claim 4, it is characterised in that: it further include O-ring, institute
The support one side opposite with the battery lower cover is stated equipped with annular groove, the O-ring is in the annular groove.
6. the device of measurement explosion-proof valve welded seal according to claim 4, it is characterised in that: it further include gasket, institute
Gasket is stated to be set between the battery lower cover and the annular protrusion.
7. the device of measurement explosion-proof valve welded seal according to claim 1 to 3, it is characterised in that: further include stretching
Contracting lever apparatus, the telescopic end of the Telescopic rod device are connect with first clamping section.
8. the device of measurement explosion-proof valve welded seal according to claim 7, it is characterised in that: the Telescopic rod device
For cylinder, the telescopic shaft of the cylinder is connect with first clamping section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822060451.0U CN209387218U (en) | 2018-12-10 | 2018-12-10 | A kind of device measuring explosion-proof valve welded seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822060451.0U CN209387218U (en) | 2018-12-10 | 2018-12-10 | A kind of device measuring explosion-proof valve welded seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209387218U true CN209387218U (en) | 2019-09-13 |
Family
ID=67871291
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822060451.0U Active CN209387218U (en) | 2018-12-10 | 2018-12-10 | A kind of device measuring explosion-proof valve welded seal |
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| CN (1) | CN209387218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061870A (en) * | 2021-11-22 | 2022-02-18 | 芜湖云汉动力新能源科技有限公司 | New energy battery pack sealing self-checking system and method |
-
2018
- 2018-12-10 CN CN201822060451.0U patent/CN209387218U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061870A (en) * | 2021-11-22 | 2022-02-18 | 芜湖云汉动力新能源科技有限公司 | New energy battery pack sealing self-checking system and method |
| CN114061870B (en) * | 2021-11-22 | 2024-02-02 | 芜湖云汉动力新能源科技有限公司 | New energy battery pack tightness self-checking system and self-checking method |
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