CN216207264U - Device for detecting air tightness of power battery pack shell - Google Patents
Device for detecting air tightness of power battery pack shell Download PDFInfo
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- CN216207264U CN216207264U CN202121839835.8U CN202121839835U CN216207264U CN 216207264 U CN216207264 U CN 216207264U CN 202121839835 U CN202121839835 U CN 202121839835U CN 216207264 U CN216207264 U CN 216207264U
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Abstract
The utility model discloses a device for detecting the air tightness of a shell of a power battery pack, which comprises a bottom plate and a motor, wherein a support plate is fixedly arranged at the top of the bottom plate, a left side fixing rod is fixedly connected to the inner side of the support plate, and a fixing rod is fixedly arranged on the inner side of the support plate. This a device for detecting power battery group shell gas tightness, at first move the right side of bottom plate with gaseous detection ring, then place the top at left side fixed plate and right side fixed plate with the outer case body, and then place the outer case body, electric putter promotes the fixed strip to the left side, thereby fix the outer case body between stripper plate and fixed strip, and then made things convenient for and fixed the outer case body, avoided the outer case body to take place the displacement because of the great production deformation of inside atmospheric pressure when the gas tightness detects, the not hard up condition of dropping of outer case body has been avoided simultaneously, and then made things convenient for and carried out the gas tightness to the outer case body and detected.
Description
Technical Field
The utility model relates to the technical field of air tightness detection devices, in particular to a device for detecting air tightness of a shell of a power battery pack.
Background
The gas tightness detection device is widely applied to places where gas pressurization and gas tightness tests are needed in various industries, compressed air is pressed into a container, a test method for detecting whether leakage exists or not by utilizing the pressure difference of gas inside and outside the container is used, the gas tightness detection device is needed for gas tightness detection, the device is specially applied to the tightness detection of cavity mechanical products, when the power battery pack shell is processed and produced, the gas tightness detection device is needed to be used for detecting the gas tightness of the shell, so that the qualified production of products is ensured, but the existing gas tightness detection device also has certain defects, such as:
1. the existing air tightness detection device is inconvenient to fix the shell, when the air tightness of the shell is detected, the shell needs to be fixed at first, air pressure inside the shell is large due to the fact that air is introduced into the shell, deformation and displacement of the shell can be caused, the shell is inconvenient to fix, looseness of the shell can be caused, and air tightness detection of the shell is influenced.
2. The existing air tightness detection device is inconvenient to operate and detect, and when the air tightness of the shell is detected, air is introduced after water injection, the internal pressure is increased, and then water flows out from the air leakage position, so that the air tightness of the shell is detected, but the operation flow is complex, and the operation and the use of an inconvenient user are performed.
In order to solve the above problems, innovative design is urgently needed on the basis of the structure of the original air tightness detection device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for detecting the air tightness of a shell of a power battery pack, which aims to solve the problems of inconvenience in fixing a shell body and inconvenience in operation detection in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a device for detecting the air tightness of a power battery pack shell comprises a bottom plate and a motor, wherein a support plate is fixedly arranged at the top of the bottom plate, a left side fixing plate and a fixing rod are fixedly connected to the inner side of the support plate, the fixing rod is positioned above the left side fixing plate, a squeezing plate is fixedly connected to the right end of the fixing rod, a shell box body is connected to the right side of the squeezing plate in a laminating manner, an air inlet pipe is fixedly arranged at the left side of the shell box body, a fixing strip is connected to the right side of the shell box body in a laminating manner, an electric push rod is fixedly arranged at the right side of the fixing strip, a moving rod is fixedly connected to the right side of the fixing strip, a right side fixing plate is connected to the bottom of the right side of the shell box body in a laminating manner, a sliding groove is formed in the bottom side of the support plate, a ball is connected to the inner wall of the sliding groove in a sliding manner, a sliding strip is rotatably connected to the outer wall of the ball, and a gas detection ring is fixedly arranged at the bottom of the sliding strip, simultaneously, the bottom fixedly connected with bracing piece of gaseous detection ring, the movable groove has been seted up at the top of bottom plate, and the inner wall in movable groove has seted up the shifting chute to the inner wall removal of shifting chute is connected with the shifting strip, and the outside fixedly connected with pinion rack of shifting strip moreover, the output shaft of motor has the pivot through the coupling joint, and the right-hand member fixedly connected with gear of pivot.
Further, the right side top of left side fixed plate is connected with the left side bottom laminating of outer case body, and the right side bottom of outer case body is connected with the left side top laminating of right side fixed plate.
Furthermore, the outer wall of the moving rod is movably connected with the inner wall of the right side of the support plate, and the left end of the moving rod is fixedly connected with the right side of the fixing strip.
Furthermore, the slide bar forms sliding structure through the inner wall of ball and spout, and the bottom outer wall of ball rotates with the top inner wall of slide bar and is connected.
Furthermore, the moving strip and the moving groove form a moving structure, and the outer wall of the moving strip is attached to the inner wall of the moving groove.
Compared with the prior art, the utility model has the beneficial effects that: the device for detecting the air tightness of the shell of the power battery pack;
1. the gas detection ring is moved to the right side of the bottom plate, the shell is placed at the tops of the left fixing plate and the right fixing plate, the shell is placed, the fixing strip is pushed to the left side by the electric push rod, and therefore the shell is fixed between the extrusion plate and the fixing strip, the shell is convenient to fix, displacement caused by deformation due to large internal pressure during gas tightness detection is avoided, meanwhile, the shell is prevented from loosening and falling, and further gas tightness detection is convenient for the shell;
2. be provided with gaseous detection ring and pinion rack, fix the shell the back, let in the shell with gaseous from the intake pipe inside, the motor drives the gear simultaneously and removes the pinion rack in the inside of movable groove, and then made things convenient for the removal of pinion rack, and the gaseous detection ring that drives the top when the pinion rack removes moves, and then detect the gas leakage condition of shell outside, thereby made things convenient for the user to operate the detection, the operation flow who lets in gas after having avoided the water injection, and the flow is comparatively simple, the operation degree of difficulty of user has been reduced, and then the use value of detection device has been increased.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
figure 2 is a side sectional view of the toothed plate and gear of the present invention;
FIG. 3 is a schematic top view of the movable bar and the fixed bar of the present invention;
FIG. 4 is a schematic view of a top-down structure of the pressing plate and the fixing rod according to the present invention.
In the figure: 1. a base plate; 2. a mounting plate; 3. a left side fixing plate; 4. fixing the rod; 5. a pressing plate; 6. a housing case body; 7. an air inlet pipe; 8. a fixing strip; 9. an electric push rod; 10. a travel bar; 11. a right side fixing plate; 12. a chute; 13. a ball bearing; 14. a slide bar; 15. a gas detection ring; 16. a support bar; 17. a movable groove; 18. a moving groove; 19. a moving bar; 20. a toothed plate; 21. a motor; 22. a rotating shaft; 23. a gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a device for detecting the air tightness of a power battery pack shell comprises a bottom plate 1, a support plate 2, a left side fixing plate 3, a fixing rod 4, an extrusion plate 5, a shell box body 6, an air inlet pipe 7, a fixing strip 8, an electric push rod 9, a moving rod 10, a right side fixing plate 11, a sliding groove 12, a ball 13, a sliding strip 14, a gas detection ring 15, a supporting rod 16, a moving groove 17, a moving groove 18, a moving strip 19, a toothed plate 20, a motor 21, a rotating shaft 22 and a gear 23, wherein the top of the bottom plate 1 is fixedly provided with the support plate 2, the inner side of the support plate 2 is fixedly connected with the left side fixing plate 4 and the fixing rod 4, the fixing rod 4 is positioned above the left side fixing plate 3, the right end of the fixing rod 4 is fixedly connected with the extrusion plate 5, the right side of the extrusion plate 5 is connected with the shell box body 6 in an attaching manner, the left side of the shell box body 6 is fixedly provided with the air inlet pipe 7, and the right side of the shell box body 6 is connected with the fixing strip 8 in an attaching manner, and the right side of the fixed strip 8 is fixedly provided with an electric push rod 9, and the right side of the fixed strip 8 is fixedly connected with a movable rod 10, meanwhile, the right side bottom of the outer case body 6 is connected with a right side fixing plate 11 in an attaching way, the bottom side of the top of the bracket plate 2 is provided with a sliding chute 12, the inner wall of the sliding chute 12 is connected with a ball 13 in a sliding way, and the outer wall of the bottom of the ball 13 is rotatably connected with a slide bar 14, and the bottom of the slide bar 14 is fixedly provided with a gas detection ring 15, meanwhile, the bottom of the gas detection ring 15 is fixedly connected with a support rod 16, the top of the bottom plate 1 is provided with a movable groove 17, the inner wall of the movable groove 17 is provided with a movable groove 18, and the inner wall of the moving groove 18 is movably connected with a moving strip 19, the outer side of the moving strip 19 is fixedly connected with a toothed plate 20, the output shaft of a motor 21 is connected with a rotating shaft 22 through a coupler, and the right end of the rotating shaft 22 is fixedly connected with a gear 23.
When the device for detecting the air tightness of the power battery pack shell is used, according to the figures 1, 3 and 4, when the shell box body 6 is fixed, firstly, the gas detection ring 15 is moved to the right side of the bottom plate 1, then, the shell box body 6 is placed at the top parts of the left fixing plate 3 and the right fixing plate 11, and then, the shell box body 6 is placed, after the shell box body 6 is placed, the electric push rod 9 pushes the fixing strip 8 to the left side, meanwhile, the moving rod 10 moves inside the support plate 2, and further, the movement of the fixing strip 8 is facilitated, so that the shell box body 6 is fixed between the extrusion plate 5 and the fixing strip 8;
according to fig. 1 and 2, after fixing the casing box body 6, let in gas inside the casing box body 6 from the intake pipe 7, motor 21 drives pivot 22 to rotate simultaneously, and then move toothed plate 20 with gear 23 drive in the inside of activity groove 17, the while removes strip 19 and removes in the inside of shifting chute 18, and then made things convenient for the removal of toothed plate 20, and toothed plate 20 drives the gas detection ring 15 at top and removes when removing, and then detect the outside gas leakage condition of casing box body 6, and when gas detection ring 15 removed, the draw runner 14 at top slides in the inside of spout 12 through ball 13, and then made things convenient for the removal of gas detection ring 15.
The top of the right side of the left side fixing plate 3 is attached to the bottom of the left side of the outer case body 6, and the bottom of the right side of the outer case body 6 is attached to the top of the left side of the right side fixing plate 11, so that the outer case body 6 can be conveniently placed;
the outer wall of the moving rod 10 is movably connected with the inner wall of the right side of the support plate 2, the left end of the moving rod 10 is fixedly connected with the right side of the fixed strip 8, and the moving rod 10 is convenient to share and support the weight of the fixed strip 8;
the sliding strip 14 and the inner wall of the sliding groove 12 form a sliding structure through the ball 13, and the outer wall of the bottom of the ball 13 is rotatably connected with the inner wall of the top of the sliding strip 14, so that the movement of the gas detection ring 15 is facilitated;
wherein, the moving strip 19 and the moving groove 18 form a moving structure, and the outer wall of the moving strip 19 is attached to the inner wall of the moving groove 18, which facilitates the movement of the toothed plate 20.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A device for detecting the airtightness of a power battery pack shell comprises a bottom plate (1) and a motor (21), and is characterized in that: the top of the bottom plate (1) is fixedly provided with a support plate (2), the inner side of the support plate (2) is fixedly connected with a left side fixing plate (3) and a fixing rod (4), and the fixing rod (4) is positioned above the left side fixing plate (3); the right end of the fixed rod (4) is fixedly connected with an extrusion plate (5), the right side of the extrusion plate (5) is connected with an outer case body (6) in an attaching mode, an air inlet pipe (7) is fixedly installed on the left side of the outer case body (6), the right side of the outer case body (6) is connected with a fixed strip (8) in an attaching mode, an electric push rod (9) is fixedly installed on the right side of the fixed strip (8), a moving rod (10) is fixedly connected on the right side of the fixed strip (8), a right fixed plate (11) is connected on the right side of the outer case body (6) in an attaching mode, a sliding groove (12) is formed in the bottom side of the top of the support plate (2), balls (13) are slidably connected to the inner wall of the sliding groove (12), a sliding strip (14) is rotatably connected to the outer wall of the bottom of the sliding ball (13), and a gas detection ring (15) is fixedly installed on the bottom of the sliding strip (14), simultaneously, the bottom fixedly connected with bracing piece (16) of gaseous detection ring (15), movable groove (17) have been seted up at the top of bottom plate (1), and movable groove (18) have been seted up to the inner wall of movable groove (17) to the inner wall swing joint of movable groove (18) has removal strip (19), and the outside fixedly connected with pinion rack (20) of removal strip (19), the output shaft of motor (21) has pivot (22) through the coupling joint, and the right-hand member fixedly connected with gear (23) of pivot (22).
2. The device for detecting the airtightness of the power battery pack case according to claim 1, wherein: the right side top of left side fixed plate (3) is connected with the left side bottom laminating of outer case body (6), and the right side bottom of outer case body (6) is connected with the left side top laminating of right side fixed plate (11).
3. The device for detecting the airtightness of the power battery pack case according to claim 1, wherein: the outer wall of the moving rod (10) is movably connected with the inner wall of the right side of the support plate (2), and the left end of the moving rod (10) is fixedly connected with the right side of the fixing strip (8).
4. The device for detecting the airtightness of the power battery pack case according to claim 1, wherein: the sliding strip (14) forms a sliding structure with the inner wall of the sliding groove (12) through the balls (13), and the outer wall of the bottom of each ball (13) is rotatably connected with the inner wall of the top of the sliding strip (14).
5. The device for detecting the airtightness of the power battery pack case according to claim 1, wherein: the moving strip (19) and the moving groove (18) form a moving structure, and the outer wall of the moving strip (19) is attached to the inner wall of the moving groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121839835.8U CN216207264U (en) | 2021-08-06 | 2021-08-06 | Device for detecting air tightness of power battery pack shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121839835.8U CN216207264U (en) | 2021-08-06 | 2021-08-06 | Device for detecting air tightness of power battery pack shell |
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| Publication Number | Publication Date |
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| CN216207264U true CN216207264U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121839835.8U Active CN216207264U (en) | 2021-08-06 | 2021-08-06 | Device for detecting air tightness of power battery pack shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718317A (en) * | 2023-08-09 | 2023-09-08 | 江苏常丰精密科技有限公司 | Power battery shell leakage detection device |
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2021
- 2021-08-06 CN CN202121839835.8U patent/CN216207264U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718317A (en) * | 2023-08-09 | 2023-09-08 | 江苏常丰精密科技有限公司 | Power battery shell leakage detection device |
| CN116718317B (en) * | 2023-08-09 | 2024-02-20 | 江苏常丰精密科技有限公司 | Power battery shell leakage detection device |
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Address after: 336000 No.10, Industrial Avenue, electromechanical industrial base, Yuanzhou District, Yichun City, Jiangxi Province Patentee after: Jiangxi Jiuding Power New Energy Technology Co.,Ltd. Address before: 336000 No.10, Industrial Avenue, electromechanical industrial base, Yuanzhou District, Yichun City, Jiangxi Province Patentee before: JIANGXI JIUDING POWER NEW ENERGY TECHNOLOGY CO.,LTD. |