Air tightness detection device for battery cover
By automatically adjusting the spacing through a motor-driven sliding rod and clamping assembly, the high labor costs and loosening problems caused by manual operation in existing technologies are solved, achieving efficient and stable battery cover airtightness testing.
Patent Information
- Application Number
- CN202520527965.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing automotive battery cover airtightness testing devices require manual operation of pressure rods and blocks for adjustment, resulting in high labor costs, long adjustment time, and easy loosening.
The system employs a first drive assembly and a second drive assembly. The sliding rod and clamping assembly move synchronously via a motor, automatically adjusting the spacing. Combined with a bidirectional screw limiter, it avoids manual operation and loosening.
This improved the efficiency of battery cover fixing, reduced manual labor, and ensured the stability and accuracy of the battery cover during the testing process.
Smart Images

Figure CN223910408U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile parts manufacturing, especially relates to a gas tightness detection device of battery cover. BACKGROUND
[0002] The gas tightness is the index reflecting the tightness degree of the device, and the gas tightness of the device is related to whether the device has the defect of leakage. Therefore, it is very necessary to detect the gas tightness of some devices with high quality requirements before they are produced and delivered. The existing automobile battery upper cover gas tightness detection work is an important work of judging the gas tightness qualification degree of the automobile battery upper cover by using the gas tightness detection device.
[0003] The utility model discloses a kind of automobile battery upper cover gas tightness detection devices, including chassis, pressing mechanism and detection mechanism;Chassis is set as cuboid plate shape;The bottom surface of chassis is fixedly provided with support in four corners;Two ends of chassis along length direction are installed and set with pressing mechanism, for pressing, fixed automobile battery upper cover to be detected;The bottom surface of chassis is installed and set with detection mechanism, for detection work.The automobile battery upper cover gas tightness detection device of the application has simple structure, wide application range, is convenient to adjust, and easy to operate.
[0004] However, the above device has the following technical problems in actual use:
[0005] I. The above device is slidably provided with two pressing rods on the chassis, and the pressing rod is in U-shaped structure, and the distance between the two pressing mechanisms is adjusted by sliding the two pressing rods manually, so as to adapt to battery upper covers of different sizes. However, the sliding of the pressing rod of the above device needs to be pushed manually, which increases the labor cost on one hand, and the other hand, the manual sliding positioning of one side of the pressing rod is needed, and then the other side of the pressing rod is slid to the specified position. This way reduces the fixing efficiency of the battery upper cover.
[0006] II. In addition, a connecting rod is horizontally arranged in each pressing rod of the above device, and two pressing blocks are slidably arranged on the connecting rod in a symmetrical manner. The adjustment of the position of the pressing block needs to be manually slid on the connecting rod. This way increases the adjustment time of the pressing block on one hand, and on the other hand, when the above device is actually extruded and fixed, the pressing block and the side edge of the battery upper cover are prone to looseness due to vibration, thereby reducing the pressing and fixing effect. UTILITY MODEL CONTENTS
[0007] The utility model provides a kind of airtight detection device of battery cover, to solve the sliding of the pressure bar of the device mentioned in the above background art needs manual operation, on the one hand, increase the artificial labor, on the other hand, it can also extend the adjustment time, and the displacement adjustment of the abovementioned device pressing block also needs manual operation, this way not only leads to the time growth of manual adjustment pressing block position, but also may be due to the lack of limit of pressing block and the possibility of battery upper cover loosening occurs.
[0008] The utility model discloses a kind of airtight detection device of battery cover, it includes: workbench, air passage is set on its top wall, and the bottom of the workbench is provided with airtight detection device, the airtight detection device is communicated with the air passage, wherein, the workbench is symmetrically provided with two sliding rods, the both ends of each sliding rod are provided with sliding support, and the sliding support is slidably connected with the workbench, the workbench is provided with first drive assembly, the sliding support on both sides is movably connected with the first drive assembly, and the first drive assembly is used to synchronously drive the sliding support on both sides to move towards each other or apart, two clamping assemblies for fixing battery cover are slidably arranged on each sliding rod, and the side of the sliding rod is also provided with second drive assembly, the second drive assembly is used to synchronously drive the clamping assembly on both sides to move towards each other or apart;In this scheme, by setting first drive assembly in the device, the first drive assembly can be used to control the rod on both sides to move towards each other or apart on workbench synchronously, so as to adjust the distance between the two sets of clamping assemblies on the sliding rod on both sides, avoid manual adjustment repeatedly many times, greatly improve the efficiency of the distance adjustment between the sliding rod on both sides, and the adjustment mode is driven by motor and first bidirectional screw rod, without manual control, reduce the artificial labor.
[0009] In addition, the distance between the two sliding seats on a single sliding rod can be controlled by rotating the second bidirectional screw rod in the device, thereby adjusting the distance between the clamping assemblies at the bottom of the two sliding seats, without manual operation, and the second bidirectional screw thread segment is limited, when the clamping assembly moves to the specified position, it is attached to the outer wall of the battery cover to limit it, to prevent the problem of loosening due to device shaking.
[0010] Preferably, each of the sliding supports comprises: a first sliding groove and a second sliding groove respectively formed in the two side walls of the workbench, two first sliding blocks slidingly arranged in the first sliding groove, and two second sliding blocks slidingly arranged in the second sliding groove in a symmetrical manner, a first vertical plate fixedly connected to the top wall of the first sliding block, a second vertical plate fixedly connected to the top wall of the second sliding block, and the sliding rod horizontally fixed between the first vertical plate and the second vertical plate on the same side; in this scheme, the first sliding block slides in the first sliding groove, and the second sliding block slides in the second sliding groove; when the first sliding block and the second sliding block on the same side slide synchronously in the same direction, the sliding rod is driven to slide horizontally above the workbench by the first vertical plate and the second vertical plate.
[0011] Preferably, the first driving assembly comprises: a first bidirectional screw rod rotationally connected to the first sliding groove, two first sliding blocks threadedly connected to two opposite threaded segments of the first bidirectional screw rod, a motor fixedly connected to the side wall of the workbench and having an output end fixedly connected to one end of the first bidirectional screw rod, and a guide rod fixedly arranged in the second sliding groove and slidingly matched with the two second sliding blocks; in this scheme, when the output end of the motor rotates, the first bidirectional screw rod is driven to rotate, the first sliding blocks threadedly connected to the two opposite threaded segments of the first bidirectional screw rod move towards or away from each other in the first sliding groove, the first vertical plate is horizontally moved by the first sliding block, and the second vertical plate and the second sliding block are synchronously moved by the sliding rod, and the second sliding block is synchronously horizontally slid in the second sliding groove following the first sliding block.
[0012] Preferably, the second driving assembly comprises: a second bidirectional screw rod arranged above each sliding rod in parallel, both ends of the second bidirectional screw rod rotationally connected to the first vertical plate and the second vertical plate on both sides, and two sliding seats slidingly connected to the sliding rod and threadedly connected to two opposite threaded segments of the second bidirectional screw rod; in this scheme, when the second bidirectional screw rod rotates, the two opposite threaded segments of the second bidirectional screw rod drive the sliding seats to move towards or away from each other under the guidance and limitation of the sliding rod, so as to adjust the distance between the two sliding seats, and further adjust the distance between the clamping assemblies at the bottom of the two sliding seats, so as to adapt to battery covers of different sizes.
[0013] Preferably, handles are fixedly arranged on both ends of the second bidirectional screw rod; in this scheme, the handles can be conveniently gripped by the worker to drive the second bidirectional screw rod to rotate, and the handles arranged on both ends of the second bidirectional screw rod can facilitate the worker to drive the second bidirectional screw rod to rotate on either side of the workbench.
[0014] Preferably, the clamping assembly has a first fitting edge fixedly mounted on the bottom wall of the sliding seat, and a second fitting edge is arranged on the distal end of each of the two first fitting edges under the sliding rod, and the first fitting edge and the second fitting edge are perpendicular to each other; in this scheme, the clamping assembly is a right-angle block structure, the first fitting edge is fixedly connected to the bottom of the sliding seat and can be slidably connected with the top wall of the workbench, and the second fitting edge is arranged on one side of the first fitting edge and is used to fit the side edge of the battery cover to complete the extrusion and fixation of the corner of the battery cover.
[0015] Compared with the prior art, the battery cover air tightness detection device has the advantages that:
[0016] 1、The first driving assembly is arranged in the device, the first driving assembly can synchronously control the two rods to move towards or away from each other on the workbench, thereby adjusting the distance between the two groups of clamping assemblies on the two sliding rods, avoiding manual adjustment multiple times, greatly improving the efficiency of adjusting the distance between the two sliding rods, and the adjustment mode adopts a motor cooperating with a first bidirectional screw rod to drive, without manual control, thereby reducing the labor intensity.
[0017] 2、The second bidirectional screw rod can control the distance between the two sliding seats on a single sliding rod in the device, thereby adjusting the distance between the clamping assemblies at the bottom of the two sliding seats, without manual operation, and the clamping assemblies are limited by the threaded segments of the second bidirectional screw rod and are limited on the outer sidewall of the battery cover when they move to the specified position, thereby preventing the loosening of the two due to shaking of the device. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 is a front view of the utility model;
[0019] Fig. 2 is a top view of the utility model;
[0020] Fig. 3 is a side sectional view of the utility model;
[0021] IN THE DRAWINGS:
[0022] 1、workbench;11、ventilation groove;12、sliding rod;13、sliding support;131、first sliding groove;132、second sliding groove;133、first sliding block;134、second sliding block;135、first vertical plate;136、second vertical plate;
[0023] 2、air tightness detection device;
[0024] 3、first driving assembly;31、first bidirectional screw rod;32、motor;33、guide rod;
[0025] 4, clamping assembly; 41, first abutting edge; 42, second abutting edge;
[0026] 5, second driving assembly; 51, second bidirectional screw; 52, sliding seat; 53, handle. DETAILED DESCRIPTION
[0027] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.
[0028] The components of the embodiments of the present application generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.
[0029] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.
[0030] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0032] Please refer to Figs. 1-3The utility model provides a kind of technical scheme: airtight detection device of battery cover, it includes: workbench 1, its top wall is equipped with vent groove 11, and the bottom of workbench 1 is provided with airtight detection device 2, airtight detection device 2 is communicated with vent groove 11, wherein, workbench 1 is symmetrically provided with two sliding rods 12, the both ends of each sliding rod 12 are provided with sliding bracket 13, and sliding bracket 13 and workbench 1 are slidably connected, first drive assembly 3 is arranged in workbench 1, both sides sliding bracket 13 is movably connected first drive assembly 3, and first drive assembly 3 is used to synchronously drive both sides sliding bracket 13 to move towards each other or apart, two clamping assemblies 4 for fixing battery cover are slidably arranged on each sliding rod 12, and the side of sliding rod 12 is also provided with second drive assembly 5, and second drive assembly 5 is used to synchronously drive both sides clamping assemblies 4 to move towards each other or apart.
[0033] Specifically, to facilitate the device to be moved arbitrarily in the work site, a plurality of support legs can be fixedly installed at the bottom of the workbench 1 in an array, and universal wheels are arranged at the bottom of the support legs to support the device and facilitate the staff to drive the device to be moved arbitrarily in the work site.
[0034] Further, each side sliding bracket 13 comprises: first sliding groove 131 and second sliding groove 132 are respectively formed in the opposite side walls of the workbench 1, two first sliding blocks 133 are slidably arranged in the first sliding groove 131, and two second sliding blocks 134 are slidably arranged in the second sliding groove 132 in a symmetrical manner, a first vertical plate 135 is vertically fixed to the top wall of the first sliding block 133, and a second vertical plate 136 is vertically fixed to the top wall of the second sliding block 134, and the sliding rod 12 is horizontally fixed between the first vertical plate 135 and the second vertical plate 136 on the same side.
[0035] Specifically, the height of the clamping assembly 4 can also be adjusted by the device, wherein the first vertical plate 135 and the second vertical plate 136 each have: a sleeve fixedly installed on the first sliding block 133 (the second sliding block 134), an active cavity is formed in the top wall of the sleeve, an electric push rod is fixedly connected to the bottom wall in the active cavity, an elevating seat is fixedly connected to the output end of the electric push rod, and the elevating seat is slidably arranged in the active cavity, and the both ends of the sliding rod 12 are arranged between the two elevating seats.
[0036] Further, the first drive assembly 3 comprises: a first bidirectional screw 31 rotatably connected in the first sliding groove 131, two first sliding blocks 133 are threadedly connected to two opposite threaded segments of the first bidirectional screw 31, an electric motor 32 is fixedly connected to the side wall of the workbench 1, the output end of the electric motor 32 is fixedly connected to one side end of the first bidirectional screw 31, a guide rod 33 is fixedly connected in the second sliding groove 132, and the two second sliding blocks 134 are slidably connected with the guide rod 33.
[0037] Further, the second driving assembly 5 comprises: a second bidirectional screw 51 parallelly arranged above each sliding rod 12, and the two ends of the second bidirectional screw 51 are rotationally connected with the first vertical plate 135 and the second vertical plate 136 respectively, and two sliding seats 52 are slidingly connected on the sliding rod 12, and the two sliding seats 52 are threadedly connected on two opposite threaded sections of the second bidirectional screw 51 respectively.
[0038] Further, the two ends of the second bidirectional screw 51 are fixedly installed with handles 53.
[0039] Further, the clamping assembly 4 comprises: a first abutting edge 41 fixedly installed on the bottom wall of the sliding seat 52, and a second abutting edge 42 arranged on the distal end of each of the two first abutting edges 41 under the same sliding rod 12, and the first abutting edge 41 and the second abutting edge 42 are perpendicular to each other.
[0040] Specifically, the first abutting edge 41 and the second abutting edge 42 in the device can also be arranged at an acute angle or an obtuse angle, and the staff can freely select according to the actual size of the battery cover, and the present scheme is not limited and described in detail.
[0041] Working principle and use process of the utility model:
[0042] The battery cover is placed on the workbench 1 and covers the air groove 11, then the output end of the motor 32 drives the first bidirectional screw 31 to rotate, the first bidirectional screw 31 controls the two first sliding blocks 133 to slide in the first sliding groove 131, and the second sliding block 134 is driven to slide on the second sliding groove 132 (the guide rod 33) through the cooperation of the sliding rod 12, so as to adjust the distance between the two groups of clamping assemblies 4 on the two sliding rods 12.
[0043] Then the two clamping assemblies 4 on the sliding rod 12 are driven to approach each other by rotating the second bidirectional screw 51, and the first abutting edge 41 and the second abutting edge 42 are abutted on the specified side edge of the battery cover to limit and fix the battery cover.
[0044] Subsequently, the battery cover is sealed and detected by the air tightness detection device 2.
[0045] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A hermetic detection device for a battery cover, characterized by: The utility model provides a workbench, its top wall is provided with ventilation groove (11), and the bottom of workbench (1) is provided with air tightness detection device (2), air tightness detection device (2) is communicated ventilation groove (11); Wherein, the workbench (1) is provided with two sliding rods (12) on the relative symmetry, and the two ends of each sliding rod (12) are provided with sliding support (13), and the sliding support (13) and the workbench (1) are slidably connected, the workbench (1) is provided with a first drive assembly (3), and the two sides sliding support (13) is movably connected with the first drive assembly (3), and the first drive assembly (3) is used to synchronously drive the two sides sliding support (13) to move towards or away from each other. Each sliding rod (12) is slidably provided with two clamping assemblies (4) for fixing the battery cover, and one side of the sliding rod (12) is further provided with a second drive assembly (5), and the second drive assembly (5) is used to synchronously drive the two clamping assemblies (4) to move towards or away from each other. Each side sliding support (13) comprises:
2. The hermeticity testing apparatus of a battery cover according to claim 1, wherein: The two side walls of the workbench (1) are provided with a first sliding groove (131) and a second sliding groove (132) respectively, two first sliding blocks (133) are slidably arranged in the first sliding groove (131), and two second sliding blocks (134) are slidably arranged in the second sliding groove (132) in a symmetrical manner, a first vertical plate (135) is fixedly connected to the top wall of the first sliding block (133), and a second vertical plate (136) is fixedly connected to the top wall of the second sliding block (134). The first vertical plate (135) and the second vertical plate (136) of the same side are horizontally fixedly connected with the sliding rod (12). The first drive assembly (3) comprises:
3. The hermeticity testing apparatus of a battery cover according to claim 2, wherein: A first bidirectional screw rod (31) is rotatably connected in the first sliding groove (131), two first sliding blocks (133) are threadedly connected to two opposite threaded segments of the first bidirectional screw rod (31) respectively, a motor (32) is fixedly connected to the side wall of the workbench (1), and the output end of the motor (32) is fixedly connected to one side end of the first bidirectional screw rod (31); And a guide rod (33) is fixedly connected in the second sliding groove (132), and the two second sliding blocks (134) are slidably connected with the guide rod (33). The second drive assembly (5) comprises:
4. The hermeticity testing apparatus of a battery cover of claim 2, wherein: A second bidirectional screw rod (51) is arranged above each sliding rod (12) in parallel, and the two ends of the second bidirectional screw rod (51) are rotatably connected with the first vertical plate (135) and the second vertical plate (136) on both sides respectively. Two sliding seats (52) are slidably connected to the sliding rod (12), and the two sliding seats (52) are threadedly connected to two opposite threaded segments of the second bidirectional screw rod (51) respectively. A handle (53) is fixedly installed on the two ends of the second bidirectional screw rod (51).
5. The hermetic seal detection apparatus of a battery cover according to claim 4, wherein: The clamping assembly (4) has:
6. The hermetic seal detection apparatus of a battery cover of claim 4, wherein: The first fitting edge (41) is fixedly installed on the bottom wall of the sliding seat (52), and the distal ends of the two first fitting edges (41) away from each other under the sliding rod (12) are provided with second fitting edges (42), and the first fitting edge (41) and the second fitting edge (42) are perpendicular to each other.
Citation Information
Patent Citations
Air tightness detection device for upper cover of automobile battery
CN221224078U