CN219892335U - Battery module containing top cover assembly - Google Patents

Abstract

The utility model discloses a battery module comprising a top cover assembly, which relates to the technical field of power batteries and comprises a top cover, wherein a battery module used for bearing the power battery is arranged below the top cover, a wire harness isolation plate is arranged at the bottom end of the top cover on the end surface of the battery module, a clamping base is fixed at the bottom end of the side wall of the top cover on the outer wall of the wire harness isolation plate, a clamping groove strip which is inwards concave is formed in the end surface of the clamping base, a clamping rib is fixed at the bottom end of the side wall of the top cover, and a rubber sealing gasket is arranged at the end surface of the inner wall of the clamping groove strip on the outer side of the clamping rib. According to the wire harness isolation board, the rubber sealing gasket is arranged, and the rubber sealing gasket is additionally arranged between the clamping ribs and the clamping groove strips, so that the clamping between the clamping ribs and the clamping groove strips is changed into interference fit, the rubber sealing gasket is further caused to deform and overflow, and the deformed rubber sealing gasket can well wrap the gap at the joint of the top cover and the wire harness isolation board, so that the sealing performance is greatly improved.

Description

Battery module containing top cover assembly

Technical Field

The utility model relates to the technical field of power batteries, in particular to a battery module comprising a top cover assembly.

Background

The power battery module body structure includes that power battery module is with top cap subassembly and by the end plate with the curb plate enclose the frame structure, power battery module is with top cap subassembly with battery module protection in enclosing the frame structure, and then can play the protection effect to battery module to a great extent, so power battery module is with top cap subassembly one of the indispensable subassemblies in the power battery module, among the prior art, the top cap subassembly that power battery module was used generally includes top cap and pencil division board.

According to the Chinese patent with the patent number of CN213989104U, a top cover assembly of a battery module and the battery module are described, the battery module comprises a top cover and a wire harness isolation plate, and a downward extending flanging is arranged on the periphery of the top cover; the four sides of the wire harness isolation plate are provided with edge isolation plates perpendicular to the main plate; the flange and the wire harness isolation plate are provided with clamping ribs and clamping groove strips which are matched and circumferentially arranged, so that when the top cover is arranged on the wire harness isolation plate, the clamping ribs are clamped into the clamping groove strips, and the flange is clamped with the side isolation plate; according to the utility model, the sealing of the top cover and the wire harness isolation plate is realized through the matching of the clamping ribs and the clamping groove strips, and the sealing performance of the top cover and the wire harness isolation plate can be improved by the matching of the ribs and the groove strips, but in the matching relationship, the two are not in interference fit, so that gaps still exist, that is, the sealing performance is still insufficient, and the possibility of water leakage and dust inlet exists.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a battery module including a top cap assembly to solve the technical problems mentioned in the background above.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a battery module including top cap subassembly, includes the top cap, the below of top cap is provided with the battery module that is used for bearing power battery group, and battery module's terminal surface is located the bottom of top cap and then is provided with the pencil division board, the outer wall of pencil division board is located the lateral wall bottom department of top cap and is fixed with the block base, and the terminal surface of block base has seted up inwards sunken screens groove strip, the lateral wall bottom of top cap then is fixed with the screens rib, and the outside of screens rib is located the inner wall terminal surface of screens groove strip and is provided with rubber seal.

Through adopting above-mentioned technical scheme, add the rubber seal pad between screens rib and screens groove strip to make the block between screens rib and the screens groove strip become interference fit, and then promote that the rubber seal pad takes place deformation and spill over, the gap of top cap and pencil division board junction is lived in the parcel that the rubber seal pad of deformation can be fine, and then very big promotion leakproofness.

The utility model further provides that the rubber sealing gasket is detachably connected with the inner wall of the clamping groove strip through the bolts, and the thickness value of the rubber sealing gasket is larger than the diameter value between the outer wall of the clamping rib strip and the inner wall of the clamping groove strip in the matched state.

By adopting the technical scheme, the rubber sealing gasket can be extruded and expanded.

The utility model is further characterized in that a limit hook is fixed on the end face of the outer wall of the top cover, a handle is arranged on the end face of the outer wall of the clamping base below the limit hook, a clamping frame used for being clamped with the limit hook is arranged on the outer wall of the handle, and the clamping frame is rotationally connected with the outer wall of the handle through a rotating shaft.

Through adopting above-mentioned technical scheme, play the taut effect to the top cap, and then make the pressure that acts on the rubber seal pad increase for rubber seal's expansion amount is more, very big promotion top cap and pencil division board between the leakproofness of being connected.

The utility model is further characterized in that the end face of the clamping base is also provided with a rotating shaft, and bearing seats for assisting the rotating shaft to rotate are arranged on two sides of the rotating shaft.

Through adopting above-mentioned technical scheme, play supplementary axis of rotation pivoted effect.

The utility model is further arranged that the rotating shaft penetrates through the inside of the handle, and the outer wall of the rotating shaft is fixedly connected with the inner wall of the handle.

By adopting the technical scheme, the auxiliary handle rotating effect is achieved.

In summary, the utility model has the following advantages:

1. according to the utility model, the rubber sealing gasket is arranged between the clamping ribs and the clamping groove strips, so that the clamping between the clamping ribs and the clamping groove strips is changed into interference fit, the rubber sealing gasket is further caused to deform and overflow, the deformed rubber sealing gasket can well wrap the gap between the top cover and the wire harness isolation plate, and the tightness is greatly improved, namely, the protection effect on the battery module is good;

2. according to the utility model, the limiting hooks, the handles, the rotating shafts and the clamping frames are arranged, after the clamping ribs are matched with the clamping groove strips, the handles are rotated to enable the handles to drive the clamping frames to rotate until the clamping frames rotate to the inner sides of the limiting hooks to be clamped with the limiting hooks, then the handles are reversely rotated, when the handles rotate to be close to the outer walls of the clamping bases, the included angle between the clamping frames and the handles is one hundred eighty degrees, so that the clamping frames can be driven to move downwards by continuous rotation of the handles, the top cover can be tensioned through the limiting hooks, after the top cover is tensioned, the clamping between the top cover and the wire harness isolation plate is tighter, so that the clamping sealing effect of the top cover and the wire harness isolation plate is improved, further, the greater the pressure applied by the top cover to the clamping bases is, the greater the extrusion force of the clamping ribs to the rubber sealing gasket is, the expansion amount of the rubber sealing gasket is also greater, and the sealing performance of the top cover and the wire harness isolation plate is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a schematic view of a structure of a clamping base of the present utility model;

FIG. 4 is a schematic diagram of a locking structure according to the present utility model;

fig. 5 is a partial enlarged view of the present utility model at B in fig. 4.

In the figure: 1. a top cover; 2. a harness isolation plate; 3. a battery module; 4. a clamping base; 5. a clamping groove strip; 6. clamping ribs; 7. a rubber gasket; 8. a limit hook; 9. a handle; 10. a rotating shaft; 11. and (5) clamping the frame.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a battery module including top cap subassembly, as shown in fig. 1-5, including top cap 1, the below of top cap 1 is provided with the battery module 3 that is used for bearing power battery group, and the terminal surface of battery module 3 is located the bottom of top cap 1 then is provided with pencil division board 2, the outer wall that pencil division board 2 is located the lateral wall bottom department of top cap 1 is fixed with block base 4, and the terminal surface of block base 4 has seted up inwards sunken screens groove strip 5, the lateral wall bottom of top cap 1 then is fixed with screens rib 6, and the outside of screens rib 6 is located the inner wall terminal surface of screens groove strip 5 and is provided with rubber seal 7, the outer wall terminal surface of top cap 1 is fixed with spacing hook 8, and the below of spacing hook 8 is located the outer wall terminal surface of block base 4 then installs handle 9, the outer wall of handle 9 is installed and is used for with the block frame 11 of spacing hook 8 block, the outer wall through the pivot rotation connection of block frame 8 realizes the pulling effect to the effect that realizes promptly to top cap 1, thereby increase screens rib 6 to the inner wall terminal surface of screens rib 5, thereby seal up the sealed effect of sealing plate 2 has been realized to the extrusion seal between the top cap 2, seal effect has been improved to the sealed with the sealed top cap 2.

Referring to fig. 3, the rubber gasket 7 is detachably connected with the inner wall of the clamping groove strip 5 through bolts, and the thickness of the rubber gasket 7 is greater than the diameter between the outer wall of the clamping rib 6 and the inner wall of the clamping groove strip 5 in the matched state, so that the rubber gasket 7 can be replaced through the disassembly and connection of the bolts during maintenance, and in addition, the thickness of the rubber gasket 7 is greater than the diameter between the outer wall of the clamping rib 6 and the inner wall of the clamping groove strip 5, so that the rubber gasket 7 can be extruded.

Referring to fig. 4, a rotating shaft 10 is further mounted on an end surface of the clamping base 4, and bearing seats for assisting the rotating shaft 10 to rotate are mounted on two sides of the rotating shaft 10, so that the rotating effect of the rotating shaft 10 is assisted.

Referring to fig. 5, the rotation shaft 10 penetrates through the interior of the handle 9, and the outer wall of the rotation shaft 10 is fixedly connected with the inner wall of the handle 9, so that the handle 9 can rotate under the auxiliary action of the rotation shaft 10, and the pulling effect on the clamping frame 11 can be achieved.

The working principle of the utility model is as follows: firstly, a rubber sealing gasket 7 is mounted on the end face of the inner wall of a clamping groove strip 5 through a bolt, then a top cover 1 is pressed down, so that clamping ribs 6 at the bottom end of the top cover 1 can move into the clamping groove strip 5 to be matched with and extrude the rubber sealing gasket 7, at the moment, the clamping between the clamping ribs 6 and the clamping groove strip 5 can become interference fit, the rubber sealing gasket 7 is deformed and overflows due to extrusion, and the deformed rubber sealing gasket 7 can wrap a gap at the joint of the top cover 1 and a wire harness isolation plate 2 well, so that the tightness is improved greatly, and the protection effect on a battery module 3 is improved;

in addition, after the clamping ribs 6 are matched with the clamping groove strips 5, the handle 9 can drive the clamping frame 11 to rotate by rotating the handle 9 until the clamping frame 11 rotates to the inner side of the limiting hooks 8 to clamp, then the handle 9 is reversely rotated, when the handle 9 rotates to be close to the outer wall of the clamping base 4, the included angle between the clamping frame 11 and the handle 9 is one hundred eighty degrees, so that the clamping frame 11 can be driven to move downwards by the continued rotation of the handle 9, the top cover 1 can be tensioned through the limiting hooks 8 by the movement of the clamping frame 11, and after the top cover 1 is tensioned, the clamping between the top cover 1 and the wire harness isolation plate 2 is tighter, so that the clamping sealing effect of the top cover 1 and the wire harness isolation plate 2 is improved;

further, at this time, the pressure applied by the top cover 1 to the clamping base 1 will also become larger, that is, the extrusion force of the clamping ribs 5 to the rubber gasket 7 will also become larger, so that the expansion amount of the rubber gasket 7 will also be more, and the wrapping range will also be larger, that is, the sealing performance of the top cover 1 and the wire harness isolation board 2 will be further improved.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. A battery module comprising a top cap assembly, comprising a top cap (1), characterized in that: the battery module (3) that are used for bearing power battery group are provided with to the below of top cap (1), and the terminal surface of battery module (3) is located the bottom of top cap (1) then is provided with pencil division board (2), the outer wall of pencil division board (2) is located lateral wall bottom department that top cap (1) is fixed with block base (4), and the terminal surface of block base (4) has seted up inwards sunken screens groove strip (5), the lateral wall bottom of top cap (1) then is fixed with screens rib (6), and the outside that screens rib (6) are located the inner wall terminal surface of screens groove strip (5) and are provided with rubber seal pad (7).

2. The battery module including the top cap assembly according to claim 1, wherein: the rubber sealing gasket (7) is detachably connected with the inner wall of the clamping groove strip (5) through bolts.

3. The battery module including the top cap assembly according to claim 1, wherein: the thickness value of the rubber sealing gasket (7) is larger than the diameter value between the outer wall of the clamping rib (6) and the inner wall of the clamping groove strip (5) in the matched state.

4. The battery module including the top cap assembly according to claim 1, wherein: the utility model discloses a top cap, including top cap (1) and handle (9), the outer wall terminal surface of top cap (1) is fixed with spacing hook (8), and the below of spacing hook (8) is located the outer wall terminal surface of block base (4) then installs handle (9), block frame (11) that are used for with spacing hook (8) block are installed to the outer wall of handle (9).

5. The battery module including the top cap assembly according to claim 4, wherein: the clamping frame (11) is rotationally connected with the outer wall of the handle (9) through a rotating shaft.

6. The battery module including the top cap assembly according to claim 1, wherein: the end face of the clamping base (4) is also provided with a rotating shaft (10), and bearing seats for assisting the rotating shaft (10) to rotate are arranged on two sides of the rotating shaft (10).

7. The battery module including the top cap assembly according to claim 6, wherein: the rotating shaft (10) penetrates through the handle (9), and the outer wall of the rotating shaft (10) is fixedly connected with the inner wall of the handle (9).