Battery pressing mechanism

Abstract

The utility model discloses a battery pressing mechanism, which comprises a support frame, a pressing plate and a pressing plate, the push plate is mounted on the supporting frame in a sliding manner and is used for being matched with the supporting frame to clamp a battery from two sides; the pushing part is arranged on the supporting frame and used for driving the pushing plate to slide in a reciprocating mode; and the gas guide component is arranged on the support frame, is communicated with the battery through an opening in the battery when the battery is clamped between the support frame and the push plate, and is used for introducing gas into the battery. According to the utility model, the battery can be repeatedly clamped and loosened only by controlling the pushing part, the testing efficiency is greatly improved, and the battery testing device has the advantages of few components, simple structure and low manufacturing cost.

Description

Technical Field

[0001] The utility model relates to the field of battery manufacturing, in particular to a battery pressing mechanism. Background Art

[0002] For batteries, airtightness is an important indicator. During the battery production process, poor airtightness will cause battery leakage, leading to degradation of battery cell performance or even scrapping.

[0003] In order to detect the air tightness of the battery, a hole is opened in the battery to pump air into the battery for pressure testing. Currently, the battery opening is generally manually connected to the air pipe and then air is pumped in. This method has extremely low working efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide a battery pressing mechanism which has a simple structure, is easy to operate and can greatly improve the testing efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a battery pressing mechanism, comprising:

[0006] A supporting frame, used for supporting;

[0007] A push plate, slidably mounted on the support frame, and used to cooperate with the support frame to clamp the battery from both sides;

[0008] A pushing component, disposed on the supporting frame, and used to drive the pushing plate to slide back and forth;

[0009] The gas guide component is arranged on the support frame and is connected with the battery through the opening on the battery when the battery is clamped between the support frame and the push plate, so as to pass the gas into the battery.

[0010] Furthermore, the support frame is in a U-shape, and the push plate is slidably installed in the inner cavity of the support frame.

[0011] Further, the pushing component and the air guiding component are respectively arranged on opposite sides of the supporting frame along the sliding direction of the pushing plate.

[0012] Furthermore, the support frame is composed of a U-shaped first fixing plate and a straight-shaped second fixing plate which are detachably connected.

[0013] Furthermore, a first card slot is formed on a side of the push plate away from the push component, and a second card slot is formed on the support frame at a position facing the first card slot, and the first card slot and the second card slot cooperate to form a limiting slot for limiting the battery.

[0014] Furthermore, the limiting groove is circular.

[0015] Furthermore, the air guide component comprises an air nozzle connector which is inserted through the support frame, and the inner end of the air nozzle connector extends into the second slot and is sleeved with a sealing ring.

[0016] Furthermore, the top and bottom of the push plate are respectively provided with sliding grooves, and the upper end and lower end of the support frame are respectively provided with ridges that slide in cooperation with the corresponding sliding grooves.

[0017] Furthermore, the pushing component includes a screw rod that passes through the supporting frame and is threadedly engaged with the supporting frame, the inner end of the screw rod is rotatably connected to the push plate, the outer end of the screw rod is fixed with a handle, and the screw rod is parallel to the sliding direction of the push plate.

[0018] Furthermore, the inner end of the screw is rotatably connected to the push plate using the following structure: a convex through groove is opened on the push plate, and the inner end of the screw is connected to a secondary stepped shaft-shaped cylindrical connector, and the connector is movably clamped in the through groove.

[0019] The beneficial effects of the utility model are embodied in:

[0020] When the utility model is used, the air guide component is connected to the external source, the battery is placed between the support frame and the push plate, the opening on the battery is aligned with the air guide component, and then the push component is manipulated to make the push plate slide inward, shortening the distance between the push plate and the support frame, thereby clamping the battery. At this time, the air guide component is also connected to the battery through the opening on the battery, and finally the battery is pumped into the battery through the air guide component for pressure testing. The utility model can repeatedly clamp and release the battery as long as the push component is manipulated, which greatly improves the test efficiency. In addition, the utility model has a small number of components, a simple structure, and a low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural diagram of a battery pressing mechanism according to an embodiment of the utility model;

[0022] Figure 2 for Figure 1 The main view of

[0023] Figure 3 for Figure 1 A cross-sectional view of

[0024] Description of reference numerals:

[0025] 1. Support frame; 11. First fixing plate; 12. Second fixing plate; 13. Raised edge; 14. Second slot;

[0026] 2. Push plate; 21. Slide slot; 22. First card slot; 23. Through slot;

[0027] 3. Pushing component; 31. Screw; 32. Handle; 33. Connector;

[0028] 4. Air guide component; 41. Air nozzle connector; 42. Sealing ring;

[0029] 5. Battery. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other.

[0031] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0032] See also Figures 1 to 3 .

[0033] The utility model battery pressing mechanism comprises:

[0034] A supporting frame 1, used for supporting;

[0035] A push plate 2 is slidably mounted on the support frame 1 and is used to cooperate with the support frame 1 to clamp the battery 5 from both sides;

[0036] A pushing component 3, disposed on the supporting frame 1, and used to drive the pushing plate 2 to slide back and forth;

[0037] The gas guide component 4 is disposed on the support frame 1 , and is connected to the battery 5 through the opening on the battery 5 when the battery 5 is clamped between the support frame 1 and the push plate 2 , so as to pass gas into the battery 5 .

[0038] When the utility model is used, the air guide component is connected to the external source, the battery is placed between the support frame and the push plate, the opening on the battery (which can be opened on the outer peripheral surface of the battery) is aligned with the air guide component, and then the push component is manipulated to slide the push plate inward to shorten the distance between the push plate and the support frame, thereby clamping the battery. At this time, the air guide component is also connected to the battery through the opening on the battery, and finally the battery is pumped into the battery through the air guide component for pressure testing. The utility model can repeatedly clamp and release the battery as long as the push component is manipulated, which greatly improves the test efficiency. In addition, the utility model has fewer components, a simple structure, and a low manufacturing cost.

[0039] In one embodiment, the support frame 1 is in a square shape, and the push plate 2 is slidably installed in the inner cavity of the support frame 1. This design has a simple structure and reasonable space utilization.

[0040] In one embodiment, the pushing component 3 and the air guiding component 4 are respectively arranged on opposite sides of the supporting frame 1 along the sliding direction of the push plate 2 .

[0041] In one embodiment, a first slot 22 is formed on a side of the push plate 2 away from the push component 3, and a second slot 14 is formed on the support frame 1 at a position facing the first slot 22. The first slot 22 and the second slot 14 cooperate to form a limiting slot for limiting the battery 5. This design can effectively position the battery, thereby ensuring that the air guide component is accurately aligned with the opening on the battery.

[0042] In one embodiment, the limiting groove is circular, which is more suitable for clamping test of cylindrical batteries.

[0043] In one embodiment, the gas guide component 4 includes a gas nozzle connector 41 inserted on the support frame 1, the inner end of the gas nozzle connector 41 extends into the second card slot 22 and is sleeved with a sealing ring 42. This design can greatly improve the sealing performance. When the battery is clamped between the support frame and the push plate, the gas nozzle connector is aligned with the opening on the battery, and the sealing ring is located at the periphery of the opening on the battery. After being pressed, the sealing ring is mortgaged on the surface of the battery, which can effectively seal the gas nozzle connector and the opening on the battery, ensuring that the battery is in a sealed state during testing.

[0044] In one embodiment, the support frame 1 is composed of a U-shaped first fixing plate 11 and a straight-shaped second fixing plate 12 which are detachably connected. With this design, the entire mechanism is easy to assemble and manufacture.

[0045] In one embodiment, the top and bottom of the push plate 2 are respectively provided with slide grooves 21, and the upper and lower ends of the support frame 1 are respectively provided with ridges 13 that slide in cooperation with the corresponding slide grooves 21. With this design, the sliding installation of the push plate is more stable and reliable.

[0046] In one embodiment, the pushing member 3 includes a screw 31 that penetrates the support frame 1 and is threadedly engaged with the support frame 1, the inner end of the screw 31 is rotatably connected to the push plate 2, and a handle 32 is fixed to the outer end of the screw 31, and the screw 31 is parallel to the sliding direction of the push plate 2. With this design, the mechanism can drive the push plate to reciprocate by manually rotating the handle to clamp and release the battery, which is easy to operate.

[0047] In one embodiment, the inner end of the screw rod 31 is rotatably connected to the push plate 2 using the following structure: a convex through groove 23 is formed on the push plate 2, and a cylindrical connector 33 in the shape of a two-stage stepped shaft is connected to the inner end of the screw rod 31, and the connector 33 is movably clamped in the through groove 23. This design is simple in structure and easy to assemble and manufacture.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery pressing mechanism, characterized in that: include: A supporting frame, used for supporting; A push plate, slidably mounted on the support frame, and used to cooperate with the support frame to clamp the battery from both sides; A pushing component, arranged on the supporting frame, and used for driving the pushing plate to slide back and forth; The gas guide component is arranged on the support frame and is connected with the battery through the opening on the battery when the battery is clamped between the support frame and the push plate, so as to pass the gas into the battery.

2. The battery pressing mechanism according to claim 1, characterized in that: The support frame is in a square shape, and the push plate is slidably installed in the inner cavity of the support frame.

3. The battery pressing mechanism according to claim 2, characterized in that: The pushing component and the air guiding component are respectively arranged on opposite sides of the supporting frame along the sliding direction of the pushing plate.

4. The battery pressing mechanism according to claim 2, characterized in that: The support frame is composed of a U-shaped first fixing plate and a straight-shaped second fixing plate which are detachably connected.

5. The battery pressing mechanism according to claim 2, 3 or 4, characterized in that: A first card slot is formed on a side of the push plate away from the push component, and a second card slot is formed on the support frame at a position facing the first card slot. The first card slot and the second card slot cooperate to form a limiting slot for limiting the battery.

6. The battery pressing mechanism according to claim 5, characterized in that: The limiting groove is circular.

7. The battery pressing mechanism according to claim 5, characterized in that: The air guide component comprises an air nozzle connector which is inserted into the support frame, and the inner end of the air nozzle connector extends into the second clamping groove and is sleeved with a sealing ring.

8. The battery pressing mechanism according to claim 2, 3 or 4, characterized in that: The top and bottom of the push plate are respectively provided with sliding grooves, and the upper end and lower end of the support frame are respectively provided with convex edges that are slidably matched with the corresponding sliding grooves.

9. The battery pressing mechanism according to claim 2, 3 or 4, characterized in that: The pushing component includes a screw rod that passes through the support frame and is threadedly matched with the support frame. The inner end of the screw rod is rotatably connected to the push plate. A handle is fixed to the outer end of the screw rod. The screw rod is parallel to the sliding direction of the push plate.

10. The battery pressing mechanism according to claim 9, characterized in that: The inner end of the screw rod is rotatably connected to the push plate using the following structure: a convex through groove is opened on the push plate, and the inner end of the screw rod is connected to a secondary stepped shaft-shaped cylindrical connector, and the connector is movably clamped in the through groove.

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