CN217505121U - Airtight frock of high efficiency detection new energy automobile battery box - Google Patents
Airtight frock of high efficiency detection new energy automobile battery box Download PDFInfo
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- CN217505121U CN217505121U CN202221738118.0U CN202221738118U CN217505121U CN 217505121 U CN217505121 U CN 217505121U CN 202221738118 U CN202221738118 U CN 202221738118U CN 217505121 U CN217505121 U CN 217505121U
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Abstract
The utility model discloses a high efficiency detects airtight frock of new energy automobile battery box, include: the battery box body is covered on the BASE plate through an upper opening, an upper cover assembling surface of the battery box body is consistent with the shape of the sealing strip on the BASE plate and is just correspondingly abutted and contacted, and a plurality of filling blocks are also arranged on the BASE plate and used for filling the inner space of the battery box body; a clamping mechanism that presses the battery case from above to compress the seal bar, thereby forming a sealed cavity between the battery case and the BASE plate; an inflation port disposed on the BASE plate through which a sealed cavity is inflated. The utility model discloses use traditional anchor clamps form to detect the improvement that is of value to airtight detection precision, optimize airtight anchor clamps's BASE plate structure and joint strip's material and the assembly precision that the structure improves battery box and frock clamp itself, finally obtain the testing result of high accuracy.
Description
Technical Field
The utility model relates to an air tightness detects technical field. More specifically speaking, the utility model relates to a high efficiency detects new energy automobile battery box's airtight frock.
Background
With the continuous increase of the automobile holding capacity in China, the problems of energy shortage and environmental pollution caused by the continuous increase are more prominent. Therefore, China vigorously promotes new energy automobiles, and electric vehicles are developed in an important way.
The battery pack is one of the key parts of the electric vehicle and is used for loading power cells, so the battery pack technology is very important for the electric vehicle. The sealing performance and the flame retardant performance of the battery PACK have a crucial influence on the safety of the battery PACK and even the whole automobile, so that the requirements of relevant technical standards on the waterproof performance of the battery PACK are extremely high, and relevant PACK manufacturing enterprises also list the airtightness detection of the battery shell into a necessary inspection item in the production process of the battery shell.
Traditional battery case uses the assembly profile modeling upper cover to detect the gas tightness, discover unqualified part back in the testing process, directly look for the leak source on the detection frock, in aerifing the testing process, no matter be metal material upper cover or nonmetal composite material's upper cover meet inside high-pressure gas and all can have more or less elastic deformation, the change of airtight testing result will be influenced to the slight deflection of upper cover, if meet tiny miniature leak, need increase pressure can detect out obvious leakage, this operation can extrude the upper cover to the plastic deformation stage from elastic deformation, there is the risk of expansion explosion even, it is very necessary to see from this to design a detection frock of looking for battery case leakage.
Even if there is an airtight frock that detects, if joint strip and anchor clamps BASE board's structural design is unreasonable, there will be a plurality of leak points in anchor clamps and box junction, so this frock also can't play the detection effect, and consequently joint strip's shape and the selection of material are whole airtight frock clamp's key. In addition, PACK manufacturing enterprises pay attention to the problems of slow production rhythm and manpower and material resource consumption, so that the method is very critical to reduce the inflation time and achieve the purpose of rapid and efficient detection.
Therefore, the design of a tool capable of rapidly and efficiently detecting the airtightness of the battery box body is particularly important for PACK manufacturing enterprises.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high efficiency detects airtight frock of new energy automobile battery box, uses traditional anchor clamps form to detect the improvement that is of value to airtight detection precision, optimizes airtight anchor clamps's BASE plate structure and joint strip's material and the assembly precision that the structure improves battery box and frock clamp itself, finally obtains the testing result of high accuracy.
In order to realize according to the utility model discloses a these purposes and other advantages provide an airtight frock of high efficiency detection new energy automobile battery box, include: the battery box body is covered on the BASE plate through an upper opening, an upper cover assembling surface of the battery box body is consistent with the shape of the sealing strip on the BASE plate and is just correspondingly abutted and contacted, and a plurality of filling blocks are also arranged on the BASE plate and used for filling the inner space of the battery box body; a clamping mechanism that presses the battery case from above to compress the seal bar, thereby forming a sealed cavity between the battery case and the BASE plate; an inflation port disposed on the BASE plate through which a sealed cavity is inflated.
Preferably, the sealing strip is made of a material with the hardness of silica gel 30, and the filling block is made of a resin material.
Preferably, the BASE plate is provided with an inwards concave U-shaped groove, the sealing strip is installed in the U-shaped groove in a matched mode, the sealing strip protrudes out of the U-shaped groove to reserve a compression amount, and steps are formed on two sides of the U-shaped groove in different heights.
Preferably, still be provided with anchor clamps BASE and support post below the BASE board, be provided with many support posts on the anchor clamps BASE and be used for supporting fixedly the BASE board, still be provided with a pair of positioning mechanism on the anchor clamps BASE, it includes telescopic cylinder and locating pin, telescopic cylinder is fixed in on the anchor clamps BASE, the locating pin connect in telescopic cylinder is last, a pair of positioning mechanism set up in the both sides of BASE board are used for fixing a position the battery box through the locating pin.
Preferably, the clamping mechanism is provided with a plurality of clamping mechanisms on the clamp BASE, a circle of clamping mechanisms is arranged along the circumferential direction of the BASE plate, the clamping mechanisms are arranged more densely at the corners of the battery box body relative to the side edges, each clamping mechanism comprises a driving cylinder, a supporting block and a clamping pressure head, the driving cylinders are fixed on the clamp BASE, the supporting blocks are also fixed on the clamp BASE and located between the driving cylinders and the BASE plate, one end of the clamping pressure head is hinged to the driving cylinders, the middle part of the clamping pressure head is hinged to the supporting block, and the other end of the clamping pressure head is located right above the battery box body.
Preferably, be provided with a plurality of sealing members on the anchor clamps base, it includes sealed piece and seal cylinder, seal cylinder set up in on the anchor clamps base, sealed piece is connected on seal cylinder, and a plurality of sealed pieces that a plurality of sealing members correspond are used for the connector hole that the sealed battery box side of one-to-one corresponds.
Preferably, the dimension of the BASE plate is not less than the outer contour dimension of the battery box body.
Preferably, the BASE plate is provided with notches around its periphery to form observation holes corresponding to the positions where the nuts of the battery case are mounted.
Preferably, the two ends of the clamp base are provided with control cabinets which are used for controlling the telescopic cylinder, the driving cylinder, the sealing cylinder to act and the inflation of the inflation inlet.
Preferably, the clamp base is provided with castors as well as a handle and a lifting ring.
The utility model discloses at least, include following beneficial effect:
1. the utility model discloses the anchor clamps form that uses traditional BASE board and clamping mechanism to constitute detects, avoids using metal or non-metal box upper cover, is of value to the improvement of airtight detection precision.
2. The utility model discloses a sealing strip is made for the material of 30 hardness of silica gel, and the shape is unanimous with battery box upper cover assembly face, improves the assembly precision of battery box and frock clamp itself, finally obtains the testing result of high accuracy.
3. The utility model discloses set up the filling block to reduce the inflation time of airtight frock, reach the purpose that high efficiency detected.
4. The utility model discloses set up the U type groove of sealing strip installation, and U type groove forms little step type, can protect sealing strip silica gel on the one hand, prolongs the life of sealing strip silica gel, and on the other hand leads to the step and conveniently scribbles the rubberizing and fixes the sealing strip, rocks about avoiding the compression process, arouses to leak.
5. The utility model discloses a clamping mechanism lays more closely some in the corner of battery box for absorb the height difference that exists has been pieced together in the welding of battery box welding process in earlier stage.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the vertical structure of the airtight tool after the airtight tool and the battery box are assembled and mounted;
FIG. 2 is a side view of the assembled airtight tool and battery box of the present invention;
fig. 3 is a side view of the airtight tool of the present invention without a battery box installed;
fig. 4 is an elevation view of the airtight tool of the present invention without a battery box installed;
FIG. 5 is a schematic view of a U-shaped groove structure of the BASE plate of the present invention;
fig. 6 is an enlarged view of the structure of the sealing element and the observation hole of the present invention.
1. The battery box body, 2, a clamping mechanism, 201, a driving cylinder, 202, a supporting block, 203, a clamping pressure head, 3, a control cabinet, 4, a caster, 5, a positioning mechanism, 501, a telescopic cylinder, 502, a positioning pin, 6, a clamp BASE, 7, a supporting upright post, 8, a BASE plate, 9, a filling block, 10, a sealing strip, 11, an inflation inlet, 12, a U-shaped groove, 13, a sealing cylinder, 14, a sealing block, 15 and an observation hole.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 6, the utility model provides a high efficiency detects new energy automobile battery box 1's airtight frock, include: the battery box body 1 is covered on the BASE plate 8 through an upper opening, an upper cover assembling surface of the battery box body 1 is consistent with the shape of the sealing strip 10 on the BASE plate 8 and is just correspondingly abutted and contacted tightly, and a plurality of filling blocks 9 are further arranged on the BASE plate 8 and used for filling the inner space of the battery box body 1; a clamping mechanism 2 that presses the battery case 1 from above to compress the sealing tape 10, thereby forming a sealed cavity between the battery case 1 and the BASE plate 8; and the inflation port 11 is arranged on the BASE plate 8, and the sealed cavity is inflated through the inflation port 11.
In the above technical solution, the battery box 1 covers the BASE plate 8 to form a sealed cavity, the battery box 1 is clamped and fixed by the clamping mechanism 2, the inflation and pressurization device inflates and boosts the pressure inside the battery box 1 through the inflation inlet 11, and the leakage amount and the air tightness of the battery box 1 are detected on an air tightness detecting instrument. When airtight detection is carried out, the upper cover of a metal or non-metal box body is avoided as much as possible, and the detection in the form of a clamp formed by the traditional BASE plate 8 and the clamping mechanism 2 is beneficial to improving the accuracy of the airtight detection. A plurality of profile blocks are assembled on the BASE plate 8 to serve as filling blocks 9, so that the inflating time is shortened, and the purpose of rapid and efficient detection is achieved.
In another technical scheme, the sealing strip 10 is made of a material with the hardness of silica gel 30, and the filling block 9 is made of a resin material.
In the technical scheme, the filling block 9 is made of resin materials, and has the advantages of light weight, easiness in processing, capability of sufficiently blocking air permeation, capability of improving the production rhythm and shortening the inflation time due to the size structural design corresponding to the battery box body 1. The sealing strip 10 is vertical Z to sealing strip 10, and it is the silica gel material and adopts silica gel 30 hardness, and the shape must be unanimous with battery box 1 upper cover assembly surface, and the sealing strip 10 has opened the hole of dodging with battery box 1 nut interference's place when setting up for whether the check nut has the leakage defect. The BASE plate 8 structure of airtight anchor clamps and joint strip's material and structure are optimized to this application, can improve the assembly precision of battery box 1 and frock clamp itself, finally obtain the testing result of high accuracy.
In another technical scheme, an inwards concave U-shaped groove 12 is formed in the BASE plate 8, the sealing strip 10 is installed in the U-shaped groove 12 in a matched mode, the sealing strip 10 protrudes out of the U-shaped groove 12 to leave a compression amount, and steps are formed on two sides of the U-shaped groove 12 in different heights.
In above-mentioned technical scheme, BASE board 8 and sealing strip 10 silica gel assembly department open U type groove 12, and the groove depth design presss from both sides the compression volume of sealing strip 10 silica gel before and after tight for battery box 1, and the structural design of U type groove 12 can better protect sealing strip 10 silica gel, prolongs the life of sealing strip 10 silica gel. The U-shaped groove 12 is provided with a circle, the height of the inner circle of the U-shaped groove is lower than that of the outer circle of the U-shaped groove to form a small step, after the sealing strip 10 is conveniently installed in the U-shaped groove 12, treatment-free forming silica gel (KN-300X) is smeared on the lower step to fix the sealing strip 10, and therefore the sealing strip 10 is prevented from shaking left and right in the compression process under the action of the clamping mechanism 2 to cause leakage.
In another technical scheme, a fixture BASE 6 and support columns 7 are further arranged below the BASE plate 8, the fixture BASE 6 is provided with a plurality of support columns 7 for supporting and fixing the BASE plate 8, the fixture BASE 6 is further provided with a pair of positioning mechanisms 5 which comprise telescopic cylinders 501 and positioning pins 502, the telescopic cylinders 501 are fixed on the fixture BASE 6, the positioning pins 502 are connected to the telescopic cylinders 501, and the pair of positioning mechanisms 5 are arranged on two sides of the BASE plate 8 and used for positioning the battery box 1 through the positioning pins 502.
In the technical scheme, when the battery box body 1 is installed, the sealing strips 10 are arranged on the periphery, so that the battery box body 1 needs to be positioned by using the positioning mechanisms 5, otherwise, air leakage can occur due to improper positioning, the positioning pins 502 are driven by the telescopic oil cylinders to lift up the positioning battery box body 1, pieces are convenient to place, the positioning pins 502 are retracted, the battery box body 1 is convenient to take down, the pair of positioning mechanisms 5 are arranged on the two sides to play a role in accurate positioning,
in another technical scheme, a plurality of clamping mechanisms 2 are arranged on the clamp BASE 6, and a circle of clamping mechanisms 2 is arranged along the circumferential direction of the BASE plate 8, the clamping mechanisms 2 are arranged more densely at the corners of the battery box body 1 relative to the side edges, each clamping mechanism 2 comprises a driving cylinder 201, a supporting block 202 and a clamping pressure head 203, the driving cylinder 201 is fixed on the clamp BASE 6, the supporting block 202 is also fixed on the clamp BASE 6 and is positioned between the driving cylinder 201 and the BASE plate 8, one end of the clamping pressure head 203 is hinged on the driving cylinder 201, the middle part of the clamping pressure head 203 is hinged on the supporting block 202, and the other end of the clamping pressure head is positioned right above the battery box body 1.
In above-mentioned technical scheme, battery box 1 fixes a position through locating pin 502, fix through clamping mechanism 2, 6 both sides of anchor clamps base set up positioning mechanism 5, set up a plurality of clamping mechanism 2 around the anchor clamps base 6, clamping mechanism 2 must be densely covered in the corner of battery box 1, because the problem of arc-welding tailor-welding in earlier stage of battery box 1, the corner is the tie point, the welding has certain difference in height after piecing together, if corner clamping mechanism 2 lays not densely, the difference in height can not absorb, will take place to leak, and the frame middle part of unwelded battery box 1, clamping mechanism 2 is the sparse relatively that distributes, it is shown in the visible attached drawing that specifically distributes. The clamping mechanism 2 drives the clamping pressure head 203 to move up and down by the driving of the driving cylinder 201 to realize the loosening and pressing of the battery box 1.
In another technical scheme, a plurality of sealing elements are arranged on the clamp base 6 and comprise sealing blocks 14 and sealing cylinders 13, the sealing cylinders 13 are arranged on the clamp base 6, the sealing blocks 14 are connected to the sealing cylinders 13, and the sealing blocks 14 corresponding to the sealing elements are used for sealing corresponding connector holes in the side face of the battery box body 1 in a one-to-one correspondence manner.
In the above technical solution, the sealing block 14 on the side surface of the battery box 1 is also made of silica gel and adopts silica gel 30 hardness to plug a plurality of connector holes on the battery box 1, and the shape design avoids the assembled nut to check whether the nut has a leakage defect. The telescopic direction of the sealing cylinder 13 is the horizontal direction, and the sealing cylinder is fixedly connected to the clamp base 6 through a connecting piece.
In another technical scheme, the size of the BASE plate 8 is not less than the size of the outer contour of the battery box 1.
In the technical scheme, the size of the BASE plate 8 is not smaller than the size of the outer contour of the battery box body 1, and the Z-direction positioning does not need to be separately increased. The size of BASE board 8 is not less than or equal to 1 outline size of battery box, can be equal to or slightly be greater than, and the size of BASE board 8 is less than 1 outline size of battery box, then can take place gas leakage, slightly is bigger go promptly, too big then later stage inconvenient finding leak source, in one of them embodiment of this application, after the airtight frock of this application after the installation, follow and look for the leak source and go to brush the sealed position of 1 round of battery box with the foam water.
In another technical scheme, notches are formed on the periphery of the BASE plate 8 corresponding to the nut mounting positions of the battery box 1 to form observation holes 15. And observation holes 15 are formed around the BASE plate 8 for checking whether the nuts of the battery box body 1 have air leakage defects. The upper cover of the battery box body 1 is provided with the rivet nut, whether the rivet nut is installed in place or not and leakage or not needs to be detected at an airtight station, and the detection is observed through the observation hole 15.
In another technical scheme, two ends of the clamp base 6 are provided with control cabinets 3, which are used for controlling the telescopic cylinder 501, the driving cylinder 201, the sealing cylinder 13 to act and the inflation port 11 to inflate. The control cabinet 3 is arranged beside the clamp base 6 and used for controlling the telescopic cylinder 501 to act to realize positioning, controlling the driving cylinder 201 to act to realize loosening and clamping of the clamping mechanism 2, controlling the sealing cylinder 13 to act to realize sealing of a connector hole of the battery box body 1, and controlling the clamping mechanism 2 to automatically open inflation pressurization and airtightness detection work after clamping.
In another technical scheme, the clamp base 6 is provided with a caster 4, a handle and a lifting ring, and the clamp can be moved by pushing the handle to drive the caster 4 to move or the lifting ring to move.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides an airtight frock of high efficiency detection new energy automobile battery box which characterized in that includes:
the battery box body is covered on the BASE plate through an upper opening, an upper cover assembling surface of the battery box body is consistent with the shape of the sealing strip on the BASE plate and is just correspondingly abutted and contacted, and a plurality of filling blocks are also arranged on the BASE plate and used for filling the inner space of the battery box body;
a clamping mechanism that presses the battery case from above to compress the seal bar, thereby forming a sealed cavity between the battery case and the BASE plate;
an inflation port disposed on the BASE plate through which a sealed cavity is inflated.
2. The tooling for rapidly and efficiently detecting the airtightness of the battery box body of the new energy automobile according to claim 1, wherein the sealing strip is made of a material with the hardness of silica gel 30, and the filling block is made of a resin material.
3. The tool for rapidly and efficiently detecting the airtightness of the battery box body of the new energy automobile according to claim 1, wherein an inwardly concave U-shaped groove is formed in the BASE plate, the sealing strip is installed in the U-shaped groove in a matched manner, the sealing strip protrudes out of the U-shaped groove to leave a compression amount, and steps are formed on two sides of the U-shaped groove at different heights.
4. The tool for rapidly and efficiently detecting the airtightness of the battery box body of the new energy automobile according to claim 1, wherein a fixture BASE and support columns are further arranged below the BASE plate, a plurality of support columns are arranged on the fixture BASE and are used for supporting and fixing the BASE plate, a pair of positioning mechanisms are further arranged on the fixture BASE and comprise telescopic cylinders and positioning pins, the telescopic cylinders are fixed on the fixture BASE, the positioning pins are connected to the telescopic cylinders, and a pair of positioning mechanisms are arranged on two sides of the BASE plate and are used for positioning the battery box body through the positioning pins.
5. The tool for rapidly and efficiently detecting the airtightness of the battery box body of the new energy automobile according to claim 4, wherein a plurality of clamping mechanisms are arranged on the clamp BASE, a circle of clamping mechanisms is arranged along the circumferential direction of the BASE plate, the clamping mechanisms are arranged more densely at the corners of the battery box body than the sides of the battery box body, each clamping mechanism comprises a driving cylinder, a supporting block and a clamping pressure head, the driving cylinders are fixed on the clamp BASE, the supporting blocks are also fixed on the clamp BASE and located between the driving cylinders and the BASE plate, one end of the clamping pressure head is hinged to the driving cylinders, the middle of the clamping pressure head is hinged to the supporting blocks, and the other end of the clamping pressure head is located right above the battery box body.
6. The tool for rapidly and efficiently detecting the airtightness of the battery box body of the new energy automobile according to claim 5, wherein a plurality of sealing elements are arranged on the clamp base, and each sealing element comprises a sealing block and a sealing cylinder, the sealing cylinders are arranged on the clamp base, the sealing blocks are connected to the sealing cylinders, and the plurality of sealing blocks corresponding to the plurality of sealing elements are used for sealing the corresponding connector holes in the side face of the battery box body in a one-to-one correspondence manner.
7. The tool for rapidly and efficiently detecting the airtightness of the battery box body of the new energy automobile according to claim 1, wherein the dimension of the BASE plate is not less than the dimension of the outer contour of the battery box body.
8. The tool for rapidly and efficiently detecting the airtightness of the battery box body of the new energy automobile according to claim 1, wherein notches are formed in the BASE plate at positions corresponding to the mounting positions of the nuts of the battery box body around the BASE plate to form observation holes.
9. The tooling for rapidly and efficiently detecting the airtightness of the battery box body of the new energy automobile according to claim 6, wherein control cabinets are arranged at two ends of the clamp base and used for controlling the telescopic cylinder, the driving cylinder, the sealing cylinder to act and the inflation port to inflate.
10. The tooling for rapidly and efficiently detecting the air tightness of the battery box body of the new energy automobile according to claim 4, wherein the clamp base is provided with casters, a handle and a lifting ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221738118.0U CN217505121U (en) | 2022-07-07 | 2022-07-07 | Airtight frock of high efficiency detection new energy automobile battery box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221738118.0U CN217505121U (en) | 2022-07-07 | 2022-07-07 | Airtight frock of high efficiency detection new energy automobile battery box |
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| CN217505121U true CN217505121U (en) | 2022-09-27 |
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| CN202221738118.0U Active CN217505121U (en) | 2022-07-07 | 2022-07-07 | Airtight frock of high efficiency detection new energy automobile battery box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537992A (en) * | 2023-12-27 | 2024-02-09 | 重庆储安科技创新中心有限公司 | Air tightness test equipment of battery box |
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2022
- 2022-07-07 CN CN202221738118.0U patent/CN217505121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537992A (en) * | 2023-12-27 | 2024-02-09 | 重庆储安科技创新中心有限公司 | Air tightness test equipment of battery box |
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Address after: 430040 No.9 (10), Jinbei 1st Road, Dongxihu District, Wuhan City, Hubei Province Patentee after: Dongshi (Wuhan) Industrial Co.,Ltd. Address before: 430040 No.9 (10), Jinbei 1st Road, Dongxihu District, Wuhan City, Hubei Province Patentee before: DONGFENG (WUHAN) INDUSTRIAL Co.,Ltd. |