CN218957893U - Damping mechanism for battery module - Google Patents

Abstract

The utility model discloses a damping mechanism for a battery module, and relates to the technical field of battery accessories. Comprising the following steps: the support assembly is used for being fixed on the carrier, a support box is arranged on the support assembly, and a battery base used for placing the battery module is arranged in the support box; and the damping component is arranged between the support box and the battery base and is used for buffering vibration generated between the support box and the battery base. The utility model enables the connection formed between the support component for supporting and fixing the battery module and the battery module to be flexible connection through the arrangement of the shock absorption structure. And vibration from the supporting component on the battery module can be greatly buffered. The service life of the battery module can be prolonged.

Description

Damping mechanism for battery module

Technical Field

The utility model relates to the technical field of battery accessories, in particular to a damping mechanism for a battery module.

Background

When the battery module is used and operated, a carrier (such as an automobile or a transfer trolley) carrying the battery module can generate certain vibration in the moving process. And the carrier can directly transmit vibration to a support frame of the battery or a base for fixing the battery. The support frame or the base is vibrated, and the internal product structure of the battery module is loosened or damaged in the outside due to long-time vibration. The light weight causes the damage of the battery module, and the heavy weight causes the safety accident. For example, publication No.: CN105235691B, entitled: a locomotive storage battery mounting rack discloses a fixing support which is rigidly connected with a battery. Therefore, a damping mechanism for a battery module is provided.

Disclosure of Invention

The utility model aims to provide a damping mechanism for a battery module, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a shock absorbing mechanism for a battery module, comprising: the support assembly is used for being fixed on the carrier, a support box is arranged on the support assembly, and a battery base used for placing the battery module is arranged in the support box; and the damping component is arranged between the support box and the battery base and is used for buffering vibration generated between the support box and the battery base.

Preferably in this technical scheme, the damper assembly includes: the first shock-absorbing structure and the second shock-absorbing structure are used for generating buffering in the direction from the top of the battery module to the bottom of the battery module.

In this technical scheme, preferably, first shock-absorbing structure includes: the damping sleeve, the positioning column and the first damping spring are in one-to-one correspondence in the plurality of groups, and each group corresponds to the damping sleeve, the positioning column and the first damping spring: the positioning column is movably inserted into the damping sleeve, and the first damping spring is sleeved outside the damping sleeve; the damping sleeve is arranged on the bottom wall of the supporting box, the positioning column is arranged at the bottom of the battery base or the positioning column is arranged on the bottom wall of the supporting box, and the damping sleeve is arranged at the bottom of the battery base.

In this technical scheme, preferably, the second shock-absorbing structure includes: the first ends of the first hinging rod and the second hinging rod are hinged with the supporting box, the axes of the hinging shafts formed by the first hinging rod and the second hinging rod and the supporting box are parallel or coincide, and the second ends of the first hinging rod and the second hinging rod are in sliding connection with the battery base through a sliding structure; the second damping spring is arranged between the first hinging rod and the second hinging rod.

In this technical scheme, preferably, the sliding structure includes: sliding blocks respectively corresponding to the first hinging rod and the second hinging rod; the sliding rail or the sliding groove is arranged at the bottom of the battery base and is matched with the sliding block.

In this technical scheme, preferably, the supporting component includes the support frame, the support frame is the support body of H type, be provided with the boss on the support body, the boss is used for promoting the joint strength of support body and support box.

In the technical scheme, preferably, the battery base is of a square box-shaped structure, and the battery base is of a size-adjustable base.

In this technical scheme, preferably, the battery base includes: a bottom plate; the fixed side and the movable side are respectively arranged at two sides of the bottom plate along the length direction of the bottom plate, two ends of the fixed side are respectively extended with an inserting groove body, the extending direction of the inserting groove body is parallel to the width direction of the bottom plate, and the fixed side points to the movable side; the two ends of the movable side edge are extended with plug-in columns, the extension direction of the plug-in columns is parallel to the width direction of the bottom plate, and the movable side edge points to the fixed side edge; and the limiting mechanism is used for limiting the plug-in columns and the plug-in groove bodies to move relatively along the width direction of the bottom plate.

In this technical scheme, preferably, stop gear includes: the first positioning holes are arranged on the plug-in posts and are arranged along the width direction parallel to the bottom plate; the second positioning hole is formed in the plugging groove body; and the locating pins are respectively matched with the first locating holes and the second locating holes.

In the technical scheme, the battery base is preferably provided with buffer strips along two sides in the width direction of the battery base, the buffer strips are provided with third positioning holes, the second positioning holes and the third positioning holes are provided with internal threads, the positioning pins are provided with external threads, and the internal threads are matched with the external threads.

Compared with the prior art, the utility model has the beneficial effects that:

the damping mechanism for the battery module is arranged through the damping structure, so that the connection formed between the support assembly for supporting and fixing the battery module and the battery module is flexible connection. And vibration from the supporting component on the battery module can be greatly buffered. The service life of the battery module can be prolonged.

Drawings

FIG. 1 is a perspective view of the present utility model;

fig. 2 is a perspective view of a support frame according to the present utility model;

fig. 3 is a perspective view of the present utility model with the support frame and the battery module removed;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic view showing the internal structure of the support case 3 according to the present utility model;

FIG. 6 is a schematic structural view of a first shock absorbing structure according to the present utility model;

FIG. 7 is a schematic diagram of a second shock absorbing structure according to the present utility model;

fig. 8 is a perspective view of a battery chassis according to the present utility model.

In the figure: 1. a battery module; 2. a support frame; 21. a bracket body; 22. a reinforcing block; 3. a support box; 31. a limit stop; 4. a battery base; 41. fixing the side edges; 42. a movable side; 43. a plug-in column; 44. a plug-in groove body; 45. a first positioning hole; 46. a second positioning hole; 47. a buffer strip; 48. a third positioning hole; 49. a sliding groove; 410. a bottom plate; 5. a first shock absorbing structure; 51. a damping sleeve; 52. positioning columns; 53. a first damper spring; 6. a second shock absorbing structure; 61. a fixed block; 62. a first hinge lever; 63. a second hinge lever; 64. a sliding block; 65. and a second damping spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale, e.g., the thickness or width of some layers may be exaggerated relative to other layers for ease of description.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined or illustrated in one figure, no further detailed discussion or description thereof will be necessary in the following description of the figures.

As shown in fig. 1, 2, 3 and 5, the present utility model provides a technical solution: a shock absorbing mechanism for a battery module, comprising: the battery comprises a support assembly, a support box 3, a battery base 4, a first shock absorption structure 5 and a second shock absorption structure 6, wherein the support assembly is used for being fixed on a carrier, and the support box 3 is arranged on the support assembly. The aforementioned carrier includes means for transporting the battery module 1 and also includes equipment using the battery module 1. It should be apparent herein that the support assembly may be of any number of configurations. For example: the base, the bracket or the frame is not limited. Specifically, in the present utility model, in order to enhance versatility of the support assembly. As shown in fig. 2, the support assembly includes a support frame 2, and the support frame 2 is an H-shaped support frame body 21. A plurality of bolt holes are formed in the bracket body 21, and the bracket body 21 can be fixed on a carrier through the bolt holes and bolts in a screwed manner. Of course, in other embodiments, the bracket body 21 may be directly welded to the carrier. In the present embodiment, the support case 3 is welded to the holder body 21. In order to improve the connection strength of the support case 3 with the holder body 21. The support body 21 is provided with a reinforcing block 22, and the reinforcing block 22 is used for improving the connection strength of the support body 21 and the support box 3. Specifically, the reinforcing block 22 has a right triangle block structure. One of the right-angle sides of the reinforcing block 22 is welded to the bracket body 21, and the other right-angle side is welded to the support case 3. Of course, the welding may be changed to other fixing methods other than welding, such as screwing or riveting, in other embodiments.

Further, the battery base 4 is used for placing the battery module 1. It should be clear that in the present utility model, both the support case 3 and the battery chassis 4 are box-like structures. The battery base 4 is used for placing the battery module 1. And the first shock absorbing structure 5 and the second shock absorbing structure 6 are disposed between the support case 3 and the battery base 4, and are used for buffering the shock generated between the support case 3 and the battery base 4 in the direction from the top to the bottom of the battery module 1. And the first and second shock absorbing structures 5 and 6 are each capable of buffering shock from the support assembly. And the setting of two vibrations subassembly can promote the stability and the reliability of vibrations subassembly, when a certain vibrations subassembly produced the damage, another vibrations subassembly still can exert the utility.

As shown in fig. 6, in one embodiment of the present utility model, the first shock absorbing structure 5 includes: the plurality of shock-absorbing sleeves 51, the positioning columns 52 and the first shock-absorbing springs 53 which are in one-to-one correspondence with the shock-absorbing sleeves 51 are arranged on the bottom wall of the support box 3. The positioning column 52 is arranged at the bottom of the battery base 4, the positioning column 52 is movably inserted into the damping sleeve 51, and the first damping spring 53 is sleeved outside the damping sleeve 51. It should be clear that in another embodiment of the utility model the positions of the damping sleeve 51 and the positioning post 52 may be reversed. I.e. the positioning posts 52 are provided at the bottom wall of the support box 3, while the damping sleeves 51 are provided at the bottom of the battery base 4. When a shock occurs, the support assembly transmits the shock to the first shock absorbing structure 5 through the support box 3. The vibration can be well buffered by the first damper springs 53 on the first damper structure 5.

As shown in fig. 7, the second shock absorbing structure 6 includes: the first end of the first hinge rod 62 and the first end of the second hinge rod 63 are hinged with the supporting box 3, the axes of the hinge shafts formed by the first hinge rod 62 and the second hinge rod 63 and the supporting box 3 are parallel or coincide, and the second end of the first hinge rod 62 and the second hinge rod 63 form sliding connection with the battery base 4 through a sliding structure. And a second damper spring 65 is disposed between the first hinge lever 62 and the second hinge lever 63. Specifically, a fixing block 61 may be provided on the bottom wall of the supporting case 3. The first ends of the first hinge lever 62 and the second hinge lever 63 are both hinged to the fixed block 61.

As shown in fig. 7, in the present utility model, the sliding structure includes: the sliding block 64 corresponding to the first hinge lever 62 and the second hinge lever 63, and the sliding rail or the sliding groove 49 provided at the bottom of the battery base 4 and adapted to the sliding block 64. The second damper spring 65 is provided between the first hinge lever 62 and the second hinge lever 63 in the present embodiment. In other embodiments, the second damper spring 65 may be disposed between the two sliding blocks 64. Specifically, when a shock is generated such that the battery chassis 4 moves upward/downward, the second damper springs 65 can be compressed/elongated, thereby preventing the battery chassis 4 from shaking drastically. It is also clear that the second shock absorbing structure 6 has a better connectivity with the battery chassis 4. As shown in fig. 8, a slide groove 49 is provided in the bottom of the battery base 4 to fit with the slide block 64. Specifically, the cross-sectional area of the slide groove 49 is in a "T" shape, which is perpendicular to the screw axis of the second damper spring 65. While in other embodiments of the present utility model, the sliding groove 49 that cooperates with the sliding block 64 may be modified to be a sliding rail.

It will be clear that in order to further enhance the utility of the device of the utility model. As shown in fig. 3 and 4, the battery base 4 has a square box-like structure, and the battery base 4 is a size-adjustable base. Specifically, the battery mount 4 includes: the bottom plate 410, the fixed side 41, the movable side 42 and the limiting mechanism, wherein the fixed side 41 and the movable side 42 are respectively arranged at two sides of the bottom plate 410 along the length direction. It should be clear that the fixing side 41 is fixed in position relative to the base plate 410, and cannot be displaced relative to the base plate 410. The movable side 42 is separated from the bottom plate 410, and can relatively move with the bottom plate 410 under the action of external force. The two ends of the fixed side 41 are extended with inserting groove bodies 44, the extending direction of the inserting groove bodies 44 is parallel to the width direction of the bottom plate 410, and the fixed side 41 points to the movable side 42. Specifically, the two ends of the movable side 42 extend out of the plugging posts 43, and the extending direction of the plugging posts 43 is parallel to the width direction of the bottom plate 410, and the movable side 42 points to the fixed side 41. In use, the plug-in posts 43 are plugged into the plug-in slots 44. At this time, grooves for receiving the battery module 1 are formed between the fixed side 41, the movable side 42, the socket posts 43, and the socket groove body 44. The size of the formed groove can be controlled by moving the movable side 42. And thus makes it possible to adapt to different models of battery modules 1. Of course, in other embodiments of the present utility model, n+1 sets of the plug posts 43 and the plug groove bodies 44 may be provided, so that n grooves for placing the battery modules 1 can be formed in the battery chassis 4. The inventive device can simultaneously place a plurality of battery modules 1. Wherein n is a positive integer greater than 1. From the above, it is also necessary to provide a stopper mechanism in the present utility model. The limiting mechanism is used for limiting the relative movement of the plugging posts 43 and the plugging slots 44 along the width direction of the bottom plate 410. Thereby enabling the size of the groove for placing the battery module 1 on the battery base 4 to be constant.

Specifically, as shown in fig. 3 and 4, in the present utility model, the limiting mechanism includes: a plurality of first positioning holes 45 formed on the plugging posts 43, a second positioning hole 46 formed on the plugging groove 44, and positioning pins. The plurality of first positioning holes 45 are aligned in a width direction parallel to the bottom plate 410. The positioning pins are respectively matched with the first positioning holes 45 and the second positioning holes 46. When it is necessary to adjust the size of the battery chassis 4 so that it is compatible with the battery module 1. By plugging the plug-in post 43 in the plug-in slot 44 and corresponding the appropriate first positioning hole 45 with the second positioning hole 46. And then the positioning pins are inserted into the first positioning holes 45 and the second positioning holes 46.

In other embodiments of the present utility model, the spacing mechanism includes: a first fixing member disposed outside the socket post 43, a second fixing member disposed outside the socket groove 44, and a threaded rod. Wherein the axial direction of the threaded rod is parallel to the width direction of the bottom plate 410. The first end of threaded rod and first mounting looks spiro union, the second end of threaded rod and second mounting rotate to be connected. When the size of the battery base 4 needs to be adjusted, the threaded rod can be rotated. The first fixing member and the second fixing member may have any shape, for example, a block structure.

Specifically, as shown in fig. 3, buffer strips 47 are disposed on two sides of the battery base 4 along the width direction, third positioning holes 48 are formed in the buffer strips 47, internal threads are formed in the second positioning holes 46 and the third positioning holes 48, external threads are formed on the positioning pins, and the internal threads are matched with the external threads. So that the buffer strips 47 can be fixed to both sides of the battery chassis 4 by means of the threaded locating pins (if necessary, flat head bolts may be directly used). And at the same time, in order to prevent the buffer strip 47 from being separated from the support case 3 when the battery chassis 4 is shaken. Therefore, the limit stops 31 are provided at the four corners of the top of the supporting case 3, and the limit stops 31 serve to limit the displacement of the buffer strip 47 in the width and length directions of the bottom plate 410. Specifically, as shown in fig. 3, in the present utility model, the limit stopper 31 has a rectangular sheet shape.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A damping mechanism for a battery module, comprising:

the support assembly is used for being fixed on a carrier, a support box (3) is arranged on the support assembly, and a battery base (4) used for placing the battery module (1) is arranged in the support box (3);

the damping component is arranged between the supporting box (3) and the battery base (4) and is used for buffering vibration generated between the supporting box (3) and the battery base (4).

2. The shock absorbing mechanism for a battery module according to claim 1, wherein the shock absorbing assembly comprises: the battery module comprises a first shock absorption structure (5) and a second shock absorption structure (6), wherein the first shock absorption structure (5) and the second shock absorption structure (6) are used for generating buffering in the direction from the top of the battery module (1) to the bottom of the battery module.

3. The shock absorbing mechanism for a battery module according to claim 2, wherein the first shock absorbing structure (5) includes:

the damping sleeve (51), the positioning column (52) and the first damping spring (53) are in one-to-one correspondence in the plurality of groups, and each group corresponds to one of the damping sleeve (51), the positioning column (52) and the first damping spring (53):

the positioning column (52) is movably inserted into the damping sleeve (51), and the first damping spring (53) is sleeved outside the damping sleeve (51); the damping sleeve (51) is arranged on the bottom wall of the supporting box (3), the positioning column (52) is arranged at the bottom of the battery base (4) or the positioning column (52) is arranged on the bottom wall of the supporting box (3), and the damping sleeve (51) is arranged at the bottom of the battery base (4).

4. The shock absorbing mechanism for a battery module according to claim 2, wherein the second shock absorbing structure (6) includes:

a first hinging rod (62) and a second hinging rod (63), wherein the first ends of the first hinging rod (62) and the second hinging rod (63) are hinged with the supporting box (3), and the first hinging rod (62) and the second hinging rod (63) are respectively connected with the supporting box

The second hinging rod (63) is parallel to or coincides with the axis of a hinging shaft formed by the supporting box (3), and the second ends of the first hinging rod (62) and the second hinging rod (63) are in sliding connection with the battery base (4) through a sliding structure;

and a second damping spring (65), wherein the second damping spring (65) is arranged between the first hinging rod (62) and the second hinging rod (63).

5. The shock absorbing mechanism for a battery module according to claim 4, wherein the sliding structure comprises:

a sliding block (64) corresponding to the first hinge lever (62) and the second hinge lever (63), respectively;

and a sliding rail or a sliding groove (49) which is arranged at the bottom of the battery base (4) and is matched with the sliding block (64).

6. The shock absorbing mechanism for a battery module according to any one of claims 1 to 5, wherein the support assembly comprises a support frame (2), the support frame (2) is an H-shaped support body (21), a reinforcing block (22) is arranged on the support body (21), and the reinforcing block (22) is used for improving the connection strength between the support body (21) and the support box (3).

7. The shock absorbing mechanism for a battery module according to any one of claims 1 to 5, wherein the battery base (4) is a square box-like structure, and the battery base (4) is a size-adjustable base.

8. The shock absorbing mechanism for a battery module according to claim 7, wherein the battery mount (4) includes:

a base plate (410);

the fixing side (41) and the movable side (42), the fixing side (41) and the movable side (42) are respectively arranged at two sides of the bottom plate (410) along the length direction, the two ends of the fixing side (41) are respectively extended with an inserting groove body (44), the extending direction of the inserting groove body (44) is parallel to the width direction of the bottom plate (410), and the fixing side (41) points to the movable side (42); plug-in columns (43) extend from two ends of the movable side edge (42), the extending direction of the plug-in columns (43) is parallel to the width direction of the bottom plate (410), and the movable side edge (42) points to the fixed side edge (41);

and the limiting mechanism is used for limiting the relative movement of the plug-in column (43) and the plug-in groove body (44) along the width direction of the bottom plate (410).

9. The shock absorbing mechanism for a battery module according to claim 8, wherein the limiting mechanism comprises:

a plurality of first positioning holes (45) formed in the plug-in posts (43), the first positioning holes (45) being arranged in a direction parallel to the width of the bottom plate (410);

a second positioning hole (46) arranged on the inserting groove body (44);

and the locating pins are respectively matched with the first locating holes (45) and the second locating holes (46).

10. The damping mechanism for the battery module according to claim 9, wherein the battery base (4) is provided with a buffer strip (47) along two sides of the width direction of the battery base, a third positioning hole (48) is formed in the buffer strip (47), internal threads are formed in the second positioning hole (46) and the third positioning hole (48), external threads are formed on the positioning pin, and the internal threads are matched with the external threads.

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