Battery box air tightness detection tool

Abstract

The utility model relates to the technical field of battery box air tightness detection, in particular to a battery box air tightness detection tool, which is convenient to adapt to fixation of battery boxes with different shapes and sizes through a rotary table arranged in the middle and adjustable clamping mechanisms arranged on the periphery, so that the practicability is improved; comprising an air cylinder and a jacking piece, the output end of the air cylinder is movably connected with the jacking piece, and the air tightness detection device further comprises an air tightness detection tool table, a connecting frame, a sliding pipe, a sliding rod, a movable frame, a threaded rod, a twisting handle, a sliding block, a threaded sleeve, a rotating base and a battery box support. The middles of the front side and the rear side of the top end of the air tightness detection tool table are connected with the bottom ends of the connecting frames respectively, the left sides and the right sides of the two connecting frames are connected with the inner ends of the sliding pipes respectively, and the inner wall of the threaded sleeve is in threaded connection with the outer wall of the threaded rod. The middle of the top end of the air tightness detection tool table is rotationally connected with the bottom end of the battery box support through a rotating seat.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection of battery boxes, and specifically relates to a tooling for air tightness detection of battery boxes. Background Technique

[0002] A battery box is a grouped battery composed of several single cells, a box body, a battery management system and related installation structure parts (equipment), etc., and has a battery box structure, battery box monitoring equipment, battery box connectors, battery box environmental control equipment, etc. that meet the standards.

[0003] To ensure the smooth use of the battery box after being put into use, a corresponding air tightness detection device is usually set up, and a tooling is used to detect its air tightness. There is a tooling for air tightness detection of a battery box with the Chinese patent publication number CN218444289U. Its lower main body is of a frame structure, which is stable and reliable and convenient to carry and move. The cylinder and the manipulator are controlled by a rotary control valve. The structure is simple and the damage rate is low. In addition, a unique front insertion notch is formed on the accommodation template, and corresponding cylinders are separately arranged at the transition positions at both ends of the front insertion notch to further ensure uniform force on the battery box, providing a reliable pre-process guarantee for the air tightness detection of the battery box.

[0004] However, the clamping of the battery box by this device is limited and the practicability is insufficient. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a tooling for air tightness detection of a battery box, which is provided with a turntable in the middle and adjustable clamping mechanisms around it, facilitating the fixation of battery boxes with different shapes and sizes and improving the practicability.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the present utility model provides the following technical solutions: An airtightness detection tooling for a battery box, comprising a cylinder and a pressing piece, the output end of the cylinder is movably connected with the pressing piece, and further comprising an airtightness detection tooling table, a connecting frame, a sliding tube, a sliding rod, a movable frame, a threaded rod, a wrench, a slider, a threaded sleeve, a rotating seat and a battery box support. The middle part of the top end of the airtightness detection tooling table is rotatably connected with the bottom end of the sliding tube through the connecting frame. The middle parts of the front and rear sides of the top end of the airtightness detection tooling table are respectively connected with the bottom ends of a group of connecting frames. The left and right sides of the two groups of connecting frames are respectively connected with the inner ends of a group of sliding tubes. The inner wall of the sliding tube is slidably connected with the outer wall of the sliding rod. The outer ends of the two groups of sliding rods on the same left and right side are respectively connected with the front and rear sides of the inner end of a group of movable frames. The movable frame is movably arranged on the top end of the airtightness detection tooling table. The threaded rod is rotatably connected vertically inside the movable frame. The front end of the threaded rod extends out inside the movable frame, and the front end of the threaded rod is connected with the middle part of the rear end of the wrench. The front and rear sides of the inside of each group of movable frames are respectively slidably connected with the outside of a group of sliders. The inner side of the middle part of the slider is connected with a threaded sleeve. The inner wall of the threaded sleeve is screwed and connected with the outer wall of the threaded rod. The top end of each group of sliders is connected with a group of cylinders. The middle part of the top end of the airtightness detection tooling table is rotatably connected with the bottom end of the battery box support through the rotating seat.

[0009] Preferably, it further comprises a pressing screw sleeve, a pressing screw rod and a pressing wrench. The outer sides of the top ends of each group of sliding tubes are respectively communicated with the bottom ends of a group of pressing screw sleeves. The inner wall of the pressing screw sleeve is screwed and connected with the outer wall of the pressing screw rod. The top end of the pressing screw rod is connected with the middle part of the bottom end of the pressing wrench.

[0010] Preferably, it further comprises an oil injection nozzle. One side of the outer end of the rotating seat is communicated with the oil injection nozzle.

[0011] Preferably, it further comprises an oil injection cap. The outer side of the oil injection nozzle is detachably installed with the inner side of the oil injection cap.

[0012] Preferably, it further comprises a corrugated sheath. A group of corrugated sheaths are respectively connected between the front and rear sides of the inner end of each group of movable frames and the front and rear sliders, and between the two groups of sliders on the same left and right side. The corrugated sheath is wrapped around the outside of the threaded rod.

[0013] Preferably, it further comprises a lamp holder and a lighting bulb. The middle rear side of the top end of the airtightness detection tooling table is connected with the bottom end of the lamp holder. The top end of the inside of the lamp holder is connected with the top end of the lighting bulb.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present utility model provides an airtightness detection tooling for a battery box, which has the following beneficial effects:

[0016] Place the battery box to be detected at the top position of the battery box support. Then, according to the clamping requirements, support the battery box on the battery box support and rotate it under the constraint of the rotating seat until it reaches the appropriate position and stops. At the same time, the two groups of movable frames slide in place inside the sliding tubes through the sliding rods. Then, turn the wrench to rotate the threaded rod. The threaded rod is screwed and matched with the two groups of threaded sleeves, so that the corresponding sliders longitudinally move to the corresponding positions inside the movable frames. Then, operate the cylinder, and the tightening piece closes and acts on this position of the battery box to clamp it. Then, perform the corresponding airtightness detection. Through the turntable set in the middle and the adjustable clamping mechanism around it, it is convenient to adapt to the fixation of battery boxes with different shapes and sizes, improving the practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the axonometric view of the structural schematic diagram of the present utility model;

[0018] Figure 2 For the present utility model Figure 1 is the top view;

[0019] Figure 3 For the present utility model Figure 1 is the front view;

[0020] Figure 4 For the present utility model Figure 1 is the right view.

[0021] Reference numerals in the drawings: 1, airtightness detection tooling table; 2, connecting frame; 3, sliding tube; 4, sliding rod; 5, movable frame; 6, threaded rod; 7, wrench; 8, slider; 9, threaded sleeve; 10, cylinder; 11, tightening piece; 12, rotating seat; 13, battery box support; 14, tightening nut; 15, tightening screw; 16, tightening wrench; 17, oil injection nozzle; 18, oil injection cap; 19, corrugated sheath; 20, lamp holder; 21, lighting bulb. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment

[0024] Please refer to Figures 1-4, An airtightness detection tooling for a battery box, including a cylinder 10 and a tightening piece 11. The output end of the cylinder 10 is movably connected to the tightening piece 11. It also includes an airtightness detection tooling table 1, a connecting frame 2, a sliding tube 3, a sliding rod 4, a movable frame 5, a threaded rod 6, a wrench 7, a slider 8, a threaded sleeve 9, a rotating seat 12 and a battery box support 13. The middle part of the top end of the airtightness detection tooling table 1 is rotatably connected to the bottom end of the sliding tube 3 through the connecting frame 2. The middle parts of the front and rear sides of the top end of the airtightness detection tooling table 1 are respectively connected to the bottom ends of a group of connecting frames 2. The left and right sides of the two groups of connecting frames 2 are respectively connected to the inner ends of a group of sliding tubes 3. The inner wall of the sliding tube 3 is slidably connected to the outer wall of the sliding rod 4. The outer ends of the two groups of sliding rods 4 on the same left and right sides are respectively connected to the front and rear sides of the inner end of a group of movable frames 5. The movable frame 5 is movably arranged on the top end of the airtightness detection tooling table 1. The threaded rod 6 is rotatably connected vertically inside the movable frame 5. The front end of the threaded rod 6 extends out inside the movable frame 5, and the front end of the threaded rod 6 is connected to the middle part of the rear end of the wrench 7. The front and rear sides of the inside of each group of movable frames 5 are respectively slidably connected to the outer side of a group of sliders 8. The middle part of the inner side of the slider 8 is connected with a threaded sleeve 9. The inner wall of the threaded sleeve 9 is screwed to the outer wall of the threaded rod 6. The top end of each group of sliders 8 is connected with a group of cylinders 10. The middle part of the top end of the airtightness detection tooling table 1 is rotatably connected to the bottom end of the battery box support 13 through the rotating seat 12; Place the battery box to be detected at the top position of the battery box support 13, and then according to the clamping requirements, support the battery box on the rotating seat 12 and stop after rotating it in place under the constraint of the rotating seat 12. At the same time, the two groups of movable frames 5 slide in place inside the sliding tubes 3 by the sliding rods 4. Then turn the wrench 7 to make the threaded rod 6 rotate. The threaded rod 6 is screwed with the two groups of threaded sleeves 9, so that the corresponding sliders 8 longitudinally move to the corresponding positions inside the movable frames 5. Then, through the operation of the cylinders 10, the tightening piece 11 closes and acts on the battery box at this position to clamp it, and then perform the corresponding airtightness detection.

[0025] It also includes a tightening screw sleeve 14, a tightening screw rod 15 and a tightening wrench 16. The outer sides of the top ends of each group of sliding tubes 3 are respectively communicated with the bottom ends of a group of tightening screw sleeves 14. The inner wall of the tightening screw sleeve 14 is screwed to the outer wall of the tightening screw rod 15. The top end of the tightening screw rod 15 is connected to the middle part of the bottom end of the tightening wrench 16; By turning the tightening wrench 16, the tightening screw rod 15 can be rotated. The tightening screw rod 15 is screwed with the tightening screw sleeve 14, and can act inward to tighten the upper side of the sliding rod 4 to improve stability.

[0026] It also includes an oil injection nozzle 17. One side of the outer end of the rotating seat 12 is communicated with the oil injection nozzle 17; Oil can be injected into the inner wall of the rotating seat 12 through the oil injection nozzle 17 to facilitate lubrication and maintenance.

[0027] It also includes an oil injection cap 18. The outer side of the oil injection nozzle 17 is detachably installed with the inner side of the oil injection cap 18; After installing the oil injection cap 18 on the outer side of the oil injection nozzle 17, the inside of the oil injection nozzle 17 can be hermetically protected to improve reliability.

[0028] It further includes a corrugated sheath 19. Between the front and rear sides of the inner ends of each set of movable frames 5 and the sliders 8 on the front and rear sides respectively, and between the two sets of sliders 8 on the same left and right sides, a set of corrugated sheaths 19 are connected. The corrugated sheaths 19 are wrapped around the outer side of the threaded rod 6. The outer side of the threaded rod 6 can be shielded and protected by the corrugated sheaths 19 to avoid dust adhesion and facilitate smooth screw fitting.

[0029] It further includes a lamp holder 20 and a lighting bulb 21. The middle rear side of the top end of the airtightness detection workbench 1 is connected to the bottom end of the lamp holder 20, and the top end inside the lamp holder 20 is connected to the top end of the lighting bulb 21. Under the support of the lamp holder 20, lighting can be carried out by the lighting bulb 21 to optimize the light environment and facilitate operation and use.

[0030] In summary, when a battery box airtightness detection tool is in use, the battery box to be detected is placed at the top position of the battery box support 13. Then, according to the clamping requirement, the battery box is supported by the battery box support 13 and rotated to the in-place position under the constraint of the rotating seat 12 and stopped. At the same time, the two sets of movable frames 5 slide in place inside the sliding tube 3 by the sliding rod 4. By turning the tightening wrench 16, the tightening screw rod 15 can be rotated. The tightening screw rod 15 acts inward to tighten the upper side of the sliding rod 4 through screw fitting with the tightening nut 14. Then, turn the wrench 7 to rotate the threaded rod 6. The threaded rod 6 acts through screw fitting with the two sets of threaded sleeves 9 to longitudinally move the corresponding sliders 8 to the corresponding positions inside the movable frames 5. Then, by operating the air cylinder 10, the tightening piece 11 closes to clamp the battery box at this position, and then corresponding airtightness detection is carried out. In addition, oil can be injected into the inner wall of the rotating seat 12 through the oil injection nozzle 17 to facilitate lubrication and maintenance. After installing an oil injection cap 18 outside the oil injection nozzle 17, the inside of the oil injection nozzle 17 can be hermetically protected. The outer side of the threaded rod 6 can be shielded and protected by the corrugated sheath 19 to avoid dust adhesion and facilitate smooth screw fitting. Under the support of the lamp holder 20, lighting can be carried out by the lighting bulb 21 to optimize the light environment and facilitate operation and use.

[0031] This air cylinder 10 and lighting bulb 21 are well-known devices in the art directly purchased on the market. Here we only use them and do not make improvements to their structures and functions. Therefore, we will not elaborate on them in detail here.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An airtightness detection tooling for a battery box, comprising a cylinder (10) and a pressing piece (11), wherein the output end of the cylinder (10) is movably connected with the pressing piece (11), and is characterized in that, It further includes an airtightness detection tooling table (1), a connecting frame (2), a sliding tube (3), a sliding rod (4), a movable frame (5), a threaded rod (6), a wrench (7), a slider (8), a threaded sleeve (9), a rotating seat (12) and a battery box support (13). The middle part of the top end of the airtightness detection tooling table (1) is rotatably connected to the bottom end of the sliding tube (3) through the connecting frame (2). The middle parts of the front and rear sides of the top end of the airtightness detection tooling table (1) are respectively connected to the bottom ends of a group of connecting frames (2). The left and right sides of the two groups of connecting frames (2) are respectively connected to the inner ends of a group of sliding tubes (3). The inner wall of the sliding tube (3) is slidably connected to the outer wall of the sliding rod (4). The outer ends of the two groups of sliding rods (4) on the same left and right side are respectively connected to the front and rear sides of the inner end of a group of movable frames (5). The movable frame (5) is movably arranged on the top end of the airtightness detection tooling table (1). The threaded rod (6) is rotatably connected vertically inside the movable frame (5). The front end of the threaded rod (6) extends out of the movable frame (5), and the front end of the threaded rod (6) is connected to the middle part of the rear end of the wrench (7). The front and rear sides of the inside of each group of movable frames (5) are respectively slidably connected to the outer sides of a group of sliders (8). A threaded sleeve (9) is connected to the inner side of the middle part of the slider (8). The inner wall of the threaded sleeve (9) is screwed to the outer wall of the threaded rod (6). The top end of each group of sliders (8) is connected to a group of cylinders (10). The middle part of the top end of the airtightness detection tooling table (1) is rotatably connected to the bottom end of the battery box support (13) through the rotating seat (12).

2. The airtightness detection tooling for a battery box according to claim 1, wherein: It further includes a tightening nut (14), a tightening screw (15) and a tightening wrench (16). The outer sides of the top ends of each group of sliding tubes (3) are respectively communicated with the bottom end of a group of tightening nuts (14). The inner wall of the tightening nut (14) is screwed to the outer wall of the tightening screw (15). The top end of the tightening screw (15) is connected to the middle part of the bottom end of the tightening wrench (16).

3. The airtightness detection tooling for a battery box according to claim 1, wherein: It further includes an oil injection nozzle (17). One side of the outer end of the rotating seat (12) is communicated with the oil injection nozzle (17).

4. A battery box airtightness detection tooling according to claim 3, characterized in that: It further includes an oil injection cap (18). The outer side of the oil injection nozzle (17) is detachably installed with the inner side of the oil injection cap (18).

5. A battery box airtightness detection tooling according to claim 1, characterized in that: It further includes a corrugated sheath (19). A group of corrugated sheaths (19) are respectively connected between the front and rear sides of the inner end of each group of movable frames (5) and the front and rear sliders (8), and between the two groups of sliders (8) on the same left and right side. The corrugated sheath (19) wraps around the outside of the threaded rod (6).

6. The airtightness detection tooling for a battery box according to claim 1, characterized in that: It further includes a lamp holder (20) and a lighting bulb (21). The middle and rear part of the top end of the airtightness detection tooling table (1) is connected to the bottom end of the lamp holder (20). The top end of the inside of the lamp holder (20) is connected to the top end of the lighting bulb (21).

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