CN210956777U - Battery module fixing device - Google Patents

Abstract

The utility model discloses a battery module fixing device, which comprises a screw and an accommodating box; the accommodating box comprises a bottom wall and a side wall extending from the edge of the bottom wall, the bottom wall and the side wall are arranged in an enclosing mode to form an accommodating groove, and the accommodating groove is used for accommodating the battery module; the screw that runs through relative both sides lateral wall is seted up to the case that holds, and the screw rod passes battery module and cooperatees with the screw and is fixed in the battery module and hold the incasement. The utility model discloses a place single battery module in holding the incasement, pass the battery module through the screw rod and pay the fastening with the screw lock that holds the case lateral wall, promoted fastening reliability and lock and paid speed, reduced manufacturing cost.

Description

Battery module fixing device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a battery fitting technical field especially relates to a battery module fixing device.

[ background of the invention ]

In the existing battery manufacturing steps, the assembled battery module needs to be subjected to a vibration experiment on a vibration test table, and the vibration resistance of the battery module is detected. In the conventional battery module, a plurality of battery modules form a large module, only two ends of the large module are fixed, and the battery modules in the large module are connected through spot welding screws or studs and the like, so that the tightness is poor; meanwhile, the fixing speed of the battery module is low, and the efficiency is low.

In view of the above, it is desirable to provide a battery module fixing device to overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at providing a battery module fixing device, the fastening nature is relatively poor when aiming at improving current battery module vibrations experiment, the lower problem of fixed efficiency, through fixing single battery module, has stronger reliability, can realize standard modular production, has improved the efficiency that the lock paid the fastening, has reduced manufacturing cost.

In order to achieve the above object, the present invention provides a battery module fixing device, which includes a screw and an accommodating box; the accommodating box comprises a bottom wall and a side wall extending from the edge of the bottom wall, the bottom wall and the side wall are arranged in an enclosing mode to form an accommodating groove, and the accommodating groove is used for accommodating the battery module; the containing box is provided with screw holes penetrating through the side walls on the two opposite sides, and the screw rods penetrate through the battery module and are matched with the screw holes to fix the battery module in the containing box.

In a preferred embodiment, one side of the containing box, which is far away from the bottom wall, is provided with a movable cover body matched with the containing box; the cover body covers the accommodating groove.

In a preferred embodiment, a plurality of damping springs are arranged on one side of the cover body close to the bottom wall.

In a preferred embodiment, the bottom wall is provided with a limiting block, and the limiting block is used for being matched with a limiting groove arranged on one side, close to the bottom wall, of the battery module.

In a preferred embodiment, the limiting block is at least two strip-shaped convex blocks parallel to each other.

In a preferred embodiment, the screw comprises a pad and a threaded post vertically fixed to the pad.

In a preferred embodiment, the screw rod further comprises a nut matched with the screw rod; the screw rod passes through the containing box and is matched with the nut.

In a preferred embodiment, a flexible layer is attached to the inner wall of the containing box.

In a preferred embodiment, the soft layer is a silicone rubber.

The utility model discloses a place single battery module in holding the incasement, pass the battery module through the screw rod and pay the fastening with the screw lock that holds the case lateral wall, promoted fastening reliability and lock and paid speed, reduced manufacturing cost.

[ description of the drawings ]

Fig. 1 is a perspective view of the battery module fixing device provided by the present invention when the screw and the battery module are not assembled;

fig. 2 is a schematic structural view of the battery module fixing device shown in fig. 1 when the receiving case is not assembled;

fig. 3 is a perspective view of the battery module fixing device shown in fig. 1 after the housing case is assembled.

In order to facilitate the intuitive understanding of the structure shown in the figure, the side wall (12) in fig. 2 and 3 is subjected to a transparentization treatment.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

Referring to fig. 1-3, in an embodiment of the present invention, a battery module fixing device 100 is provided for fixing a single battery module 200, so as to improve the fastening performance of the battery module 200 and facilitate the detection of the anti-vibration performance of the battery module 200.

In the present embodiment, the battery module 200 is square, and a plurality of through holes 201 are formed through opposite sides of the battery module, for example, a plurality of through holes 201 are formed between the top surface and the bottom surface of the battery module 200, wherein the through holes 201 may be square holes, polygonal holes, or circular holes.

The battery module fixing device 100 includes a receiving case 10 and a screw 20. The accommodating box 10 includes a bottom wall 11 and a side wall 12 extending from an edge of the bottom wall 11, the bottom wall 11 and the side wall 12 enclose to form an accommodating groove 101, a shape of the accommodating groove is adapted to the battery module 200 for accommodating the battery module 200, in this embodiment, the accommodating groove 101 is a rectangular parallelepiped. Further, hold case 10 and be equipped with and hold the mobilizable lid 30 of case 10 looks adaptation away from diapire 11 one side, lid 30 covers holding tank 101 and closes, strengthens the fastening of battery module 200 in holding tank 101. The cover 30 may be movably connected to the accommodating box 10 through a rotating shaft (not shown) disposed on the sidewall 12, or may be detachably connected (e.g., sleeved) to the accommodating box 10.

Further, in an embodiment, a plurality of damping springs (not shown) are disposed at one end of the cover 30 close to the accommodating box 10, so as to increase the buffering of the battery module 200 during a vibration test, and further enhance the fastening performance of the battery module 200 in the accommodating box 10.

Further, the inner wall of the accommodating box 10 is adhered with a soft layer (not shown in the figure), and the soft layer can be made of silica gel with certain elasticity, so that the battery module 200 is prevented from being collided with the inner wall of the accommodating box 10 during a vibration experiment, and the battery module 200 is prevented from being damaged unnecessarily due to overlarge generated stress.

In the embodiment of the present invention, the accommodating box 10 is provided with screw holes 102 penetrating through the side walls on the two opposite sides, the screw holes 102 are in one-to-one correspondence with the through holes 201 on the battery module 200, and the screw rod 20 passes through the through holes 201 and is screwed with the screw holes 102. This technical scheme is fixed in the containing box 10 with battery module 200 in, easy operation, and the fastening is good, has promoted battery module 200's fixed efficiency. The screws 20 correspond to the through holes 201 one by one, and the number of the screws is not limited to one.

In one embodiment, the cover 30 and the bottom wall 11 may be provided with screw holes 102, wherein the screw holes 102 may or may not penetrate through the cover 30 and the bottom wall 11, and the screw rods 20 are screwed into the screw holes 102 of the bottom wall 11 through the screw holes 102 of the cover 30 and the through holes 201 of the battery module 200, so that the cover 30 is firmly fastened to the receiving box 10 while the battery module 200 is fastened.

Further, in one embodiment, the screw 20 includes a base 21 and a threaded column 22 perpendicular to the base 21, the base 21 is engaged with one of the sidewalls 12 to fix one end of the threaded column 22, and the other end of the threaded column 22 is screwed into the screw hole 102 of the other sidewall 12, so as to improve the fastening performance.

Further, in an embodiment, a nut (not shown) adapted to the screw 20 is further included, and the screw 20 passes through the containing box 10 to be matched with the nut, that is, after the screw 20 passes through the containing box 10, a portion of the screw extending out of the containing box 10 can be further fastened by the nut, so that the firmness of the screw 20 and the containing box 10 is enhanced.

Optionally, in an embodiment, the diapire 11 is equipped with stopper 111, the one end that battery module 200 is close to diapire 11 is equipped with the spacing groove 202 with this stopper 111 looks adaptation, when battery module 200 placed in holding case 10, stopper 111 mutually supported with spacing groove 202, avoid battery module 200 to carry out lateral shifting in holding case 10, the operating personnel of being convenient for simultaneously is being put into the angle and the direction of in-process with battery module 200 and is being fixed a position, improve the efficiency of operation. Furthermore, the limiting blocks 111 are at least two strip-shaped protrusions parallel to each other, the cross sections of the strip-shaped protrusions may be rectangular, polygonal, or semicircular, wherein the strip-shaped protrusions may be parallel to the edge of the bottom wall 11, or may have a certain angle, and correspondingly, the limiting grooves 202 of the battery module 200 also have corresponding strip-shaped grooves, so as to achieve a better fixing effect.

To sum up, the utility model discloses a place single battery module 200 in holding case 10, pass battery module 200 through screw rod 20 and pay the fastening with the screw 102 lock that holds case 10 lateral wall 12, promoted fastening reliability and lock and paid speed, reduced manufacturing cost.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims (9)

1. A battery module fixing device is characterized by comprising a screw and an accommodating box; the accommodating box comprises a bottom wall and a side wall extending from the edge of the bottom wall, the bottom wall and the side wall are arranged in an enclosing mode to form an accommodating groove, and the accommodating groove is used for accommodating the battery module; the containing box is provided with screw holes penetrating through the side walls on the two opposite sides, and the screw rods penetrate through the battery module and are matched with the screw holes to fix the battery module in the containing box.

2. The battery module fixing device of claim 1, wherein a movable cover body matched with the accommodating box is arranged on one side of the accommodating box away from the bottom wall; the cover body covers the accommodating groove.

3. The battery module fixing device according to claim 2, wherein a plurality of shock-absorbing springs are provided at a side of the cover body adjacent to the bottom wall.

4. The battery module fixing device according to claim 1, wherein the bottom wall is provided with a limiting block, and the limiting block is used for being matched with a limiting groove arranged on one side of the battery module close to the bottom wall.

5. The battery module fixing device according to claim 4, wherein the stopper is at least two strip-shaped protrusions parallel to each other.

6. The battery module fixing device according to claim 1, wherein the screw includes a pad and a screw post vertically fixed to the pad.

7. The battery module fixing device according to claim 1, further comprising a nut fitted to the screw; the screw rod passes through the containing box and is matched with the nut.

8. The battery module fixing device according to claim 1, wherein a soft layer is attached to an inner wall of the receiving box.

9. The battery module fixing device according to claim 8, wherein the flexible layer is silicone.

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