Battery pack limiting structure and battery box

Abstract

The utility model discloses a battery pack limiting structure and a battery box. The battery pack limiting structure comprises a first connecting piece, a second connecting piece, two limiting blocks and an adjusting piece, a threaded groove is formed in the first connecting piece. And a through hole is formed in the second connecting piece. The adjusting piece penetrates through the through hole and is in threaded connection with the threaded groove, and one end of the adjusting piece is limited to the second connecting piece. The adjusting piece rotates to adjust the second connecting piece to be close to the first connecting piece, so that the second connecting piece pushes the two limiting blocks to be away from each other reversely, and the distance between the two limiting blocks is increased. According to the battery pack limiting structure, the distance between the two limiting blocks can be increased by rotating the adjusting piece, so that a gap between the two battery packs is eliminated, the assembling stability of the battery box is guaranteed, the battery pack limiting structure can be suitable for gaps with different widths, the influence caused by unstable size due to deformation of a battery pack box body does not need to be considered, and the assembling efficiency is improved. The operation is simple, and the assembling efficiency of the battery box is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery boxes, and in particular to a battery pack limiting structure and a battery box. Background Art

[0002] The existing battery box includes a side frame, a lower frame and at least two battery packs. The battery packs are arranged side by side along the lower frame, and the outward side of each battery pack is fixed to the lower frame, with a certain gap between two adjacent battery packs. When the battery box is hoisted or transported, each battery pack may swing to a certain extent, and relative movement may occur between the two battery packs, which may easily generate abnormal sounds and noise, affecting the stability of the battery box assembly structure.

[0003] In the prior art, pads and gaskets are inserted between two adjacent battery packs to fill the gap between the two battery packs, and the swing of the two battery packs will be significantly reduced. Pads are used for the main filling, and gaskets are used to fill the tiny gap between the battery pack and the pads, which is generally within 3mm. However, due to the large deformation of the battery pack box, the gap size between each battery pack and the pad is different. In order to ensure that the gap is eliminated, the size of the gap needs to be measured with a feeler gauge each time to determine the number and thickness of the gaskets. The workload is very large, which seriously affects the assembly efficiency of the battery box.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The utility model provides a battery pack limiting structure and a battery box.

[0006] The utility model adopts the following technical solutions:

[0007] The first object of the present application is to provide a battery pack limiting structure, comprising:

[0008] A first connecting member, the first connecting member is used for connection and fixing, and a thread groove is provided on the first connecting member;

[0009] a second connecting member, the second connecting member and the first connecting member are spaced apart from each other, and the second connecting member is provided with a through hole;

[0010] Two limit blocks, both of which are arranged between the first connecting member and the second connecting member;

[0011] An adjusting member, the adjusting member passes through the through hole, and the adjusting member is threadedly connected to the thread groove, and one end of the adjusting member is limited to the second connecting member;

[0012] The adjusting member can be rotated to adjust the second connecting member to be closer to the first connecting member, so that the second connecting member can push the two limiting blocks away from each other in the opposite direction, so as to increase the distance between the two limiting blocks.

[0013] Optionally, the two limiting blocks are provided with matching inclined surfaces on the surfaces facing each other;

[0014] The second connecting member has two push-up inclined surfaces;

[0015] The two push-up inclined surfaces are respectively fitted with the matching inclined surfaces of the two limit blocks;

[0016] When the second connecting member approaches the first connecting member, the second connecting member can push the two limiting blocks away from each other in opposite directions.

[0017] Optionally, the first connecting member has a sliding surface; the two limit blocks both have a sliding matching surface, and the sliding matching surface is attached to the sliding surface.

[0018] Optionally, two supporting ribs are provided on the second connecting member;

[0019] The two support ribs are respectively arranged on the two push-up inclined surfaces;

[0020] The two limit blocks are respectively slidably supported on corresponding support ribs.

[0021] Optionally, both of the limit blocks are provided with step grooves;

[0022] The two support ribs are slidably matched with the corresponding step grooves respectively.

[0023] Optionally, the adjusting member includes a cap body and a screw rod, the cap body is connected to one end of the screw rod, the screw rod passes through the through hole, and the screw rod is threadedly connected to the thread groove, and the cap body is limited to the second connecting member.

[0024] Optionally, the cross-section of the cap body is polygonal.

[0025] Optionally, the first connecting member includes a bracket and a nut, the bracket is used for connection and fixing, the nut is welded to the bracket, and the bracket has an avoidance hole connected to the thread groove of the nut;

[0026] The adjusting member is arranged to penetrate the avoidance hole.

[0027] Optionally, the bracket has a support plate and bent plates arranged on both sides of the support plate, and the two bent plates are used for welding and fixing;

[0028] The nut is welded to the support plate, and the support plate is provided with the avoidance hole.

[0029] The second object of the present application is to provide a battery box, comprising:

[0030] A battery box body, the battery box body comprising a frame and at least two battery packs, each battery pack is fixed to the frame, and there is a gap between two adjacent battery packs;

[0031] As for the battery pack limiting structure mentioned above, the battery pack limiting structure is located in the gap, and the first connecting member of the battery pack limiting structure is fixed to the frame, and at least one limiting block abuts against one of the battery packs.

[0032] By adopting the above technical solution, the utility model has the following beneficial effects:

[0033] The battery pack limiting structure of the present application can increase the distance between the two limiting blocks by rotating the adjusting piece to eliminate the gap between the two battery packs, thereby ensuring the stability of the battery box assembly. The battery pack limiting structure of the present application can be applied to gaps of different widths without considering the impact of dimensional instability caused by deformation of the battery pack box. The operation is simple and the assembly efficiency of the battery box is effectively improved.

[0034] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings are part of this application and are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute an improper limitation on the utility model. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0036] Figure 1 A schematic diagram of the structure of the battery pack limiting structure provided in an embodiment of the present application;

[0037] Figure 2 An exploded view of the battery pack limiting structure provided in an embodiment of the present application;

[0038] Figure 3 A schematic diagram of the partial structure of the battery box provided in an embodiment of the present application.

[0039] In the figure: a first connecting member 1, a bracket 11, a support plate 111, an avoidance hole 1111, a sliding surface 1112, a bending plate 112, a nut 12, a threaded groove 121, a second connecting member 2, a through hole 21, a push-up slope 22, a supporting rib 23, a limit block 3, a matching slope 31, a sliding matching surface 32, a step groove 33, an adjusting member 4, a cap body 41, a screw 42, a battery box body 6, a frame 61, a side frame 611, a bottom frame 612, a battery pack 62, and a middle support frame 7.

[0040] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0042] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] Embodiment 1

[0045] See also Figures 1 to 3As shown, the first embodiment of the present application provides a battery pack limiting structure, including: a first connecting member 1, a second connecting member 2, two limiting blocks 3 and an adjusting member 4. The first connecting member 1 is used for connection and fixing, and a thread groove 121 is provided on the first connecting member 1. The first connecting member 1 can be fixed on the frame 61 of the battery box. The second connecting member 2 and the first connecting member 1 are arranged at intervals, and a through hole 21 is provided on the second connecting member 2. The two limiting blocks 3 are both arranged between the first connecting member 1 and the second connecting member 2. The adjusting member 4 passes through the through hole 21, and the adjusting member 4 is threadedly connected to the thread groove 121, and one end of the adjusting member 4 is limited to the second connecting member 2. The adjusting member 4 can be rotated to adjust the second connecting member 2 to be close to the first connecting member 1, so as to push the two limiting blocks 3 away in the opposite direction through the second connecting member 2, so as to increase the distance between the two limiting blocks 3. The battery pack limiting structure of the present application can increase the distance between the two limiting blocks 3 by rotating the adjusting member 4 to eliminate the gap between the two battery packs 62, thereby ensuring the stability of the battery box assembly. The battery pack limiting structure of the present application can be applied to gaps of different widths without considering the impact of dimensional instability caused by the deformation of the battery pack 62 box body. The operation is simple and the assembly efficiency of the battery box is effectively improved.

[0046] The facing sides of the two limit blocks 3 are both provided with matching bevels 31, and the second connector 2 has two push-up bevels 22, and the two push-up bevels 22 are respectively fitted with the matching bevels 31 of the two limit blocks 3. In the process of the second connector 2 approaching the first connector 1, the second connector 2 can push the two limit blocks 3 away in the opposite direction. The cross-section of the second connector 2 is generally trapezoidal, and the hypotenuse of the trapezoid is respectively fitted with the two side bevels. The adjustment member 4 can adjust the second connector 2 to approach the first connector 1 by rotating, so as to push the matching bevels 31 of the two limit blocks 3 respectively through the two push-up bevels 22, so that the two limit blocks 3 are moved away in the opposite direction, and the distance between the two limit blocks 3 is increased to eliminate the gap between the two battery packs 62.

[0047] The first connecting member 1 has a sliding surface 1112, and the two limit blocks 3 both have a sliding matching surface 32, and the sliding matching surface 32 is attached to the sliding surface 1112. The sliding surface 1112 is a surface of the first connecting member 1 close to the second connecting member 2. When the adjusting member 4 rotates to adjust the second connecting member 2 close to the first connecting member 1, the two pushing inclined surfaces 22 push the matching inclined surfaces 31 of the two limit blocks 3 respectively, so that the two limit blocks 3 move away in the opposite direction. In the process of the two limit blocks 3 moving away in the opposite direction, the sliding matching surfaces 32 of the two limit blocks 3 slide on the sliding surface 1112, and the sliding direction moves away in the opposite direction.

[0048] In a possible implementation, two support ribs 23 are provided on the second connecting member 2, and the two support ribs 23 are respectively provided on the two push-up inclined surfaces 22, and the two limit blocks 3 are respectively slidably supported on the corresponding support ribs 23. The two support ribs 23 are respectively provided on the same side of the two push-up inclined surfaces 22, and the support ribs 23 limit the two limit blocks 3 at the same height, so that the positions of the two limit blocks 3 are not offset, and the stability is better.

[0049] The two limit blocks 3 are both provided with a step groove 33. The two support ribs 23 are respectively slidably matched with the corresponding step groove 33. The two support ribs 23 extend into the corresponding step groove 33 respectively, and the step groove 33 is limitedly matched with the support rib 23.

[0050] In a possible implementation, the adjusting member 4 includes a cap body 41 and a screw rod 42, the cap body 41 is connected to one end of the screw rod 42, the screw rod 42 passes through the through hole 21, and the screw rod 42 is threadedly connected to the thread groove 121, and the cap body 41 is limited to the second connecting member 2. By rotating the cap body 41, the cap body 41 can drive the screw rod 42 to rotate, and the screw rod 42 rotates in the thread groove 121, and the distance between the first connecting member 1 and the second connecting member 2 can be adjusted, so that the two limit blocks 3 move away from each other in opposite directions to adapt to the gaps of different distances between adjacent battery packs 62, and there is no need to consider the influence of dimensional instability caused by the deformation of the battery pack 62 box, and the operation is also very simple.

[0051] The cross section of the cap body 41 is polygonal. For example, the cross section of the cap body 41 can be a hexagonal structure, which is convenient for the operator to perform rotation operation through a special tool. The special tool can also be a wrench. The wrench is a common tool used in daily life, which is convenient and easy to obtain. There is no need to design a special rotation tool, which makes the rotation adjustment operation of the battery pack limit structure of the present application very convenient.

[0052] In a possible implementation, the first connecting member 1 includes a bracket 11 and a nut 12, the bracket 11 is used for connection and fixing, the nut 12 is welded to the bracket 11, and the bracket 11 has an avoidance hole 1111 connected to the thread groove 121 of the nut 12. The adjusting member 4 is arranged through the avoidance hole 1111. One end of the screw rod 42 of the adjusting member 4 passes through the avoidance hole 1111 and is threadedly connected to the thread groove 121 of the nut 12.

[0053] The bracket 11 has a support plate 111 and bent plates 112 disposed on both sides of the support plate 111. The two bent plates 112 are used for welding and fixing. The nut 12 is welded to the support plate 111, and the support plate 111 is provided with the avoidance hole 1111. The bent plates 112 can be welded to the frame 61 of the battery box.

[0054] Embodiment 2

[0055] The embodiment of the present application also provides a battery box, including: a battery box body 6 and a battery pack limiting structure as described above. The battery box body 6 includes a frame 61 and at least two battery packs 62, each battery pack 62 is fixed to the frame 61, and there is a gap between two adjacent battery packs 62. The battery pack limiting structure is located in the gap, and the first connecting member 1 of the battery pack limiting structure is fixed to the frame 61, and at least one limiting block 3 abuts against one of the battery packs 62. The battery pack limiting structure is located in the gap, and the first connecting member 1 of the battery pack limiting structure is fixed to the frame 61, and at least one limiting block 3 abuts against one of the battery packs 62. The frame 61 includes a side frame 611 and a bottom frame 612. The battery pack can be supported on the bottom frame 612. The battery pack limiting structure can be set at the gap between two adjacent battery packs 62. The first connecting member 1 can be fixed to the bottom frame 612 by welding. The two limiting blocks 3 are respectively pressed against the two battery packs 62 on both sides. The rotating adjustment member 4 can make the two limiting blocks 3 move away from each other in the opposite direction to eliminate the gap between the two battery packs 62. The stability of the battery box assembly is guaranteed, and there is no need to consider the influence of the dimensional instability caused by the deformation of the battery pack 62 box body. The operation is simple and the assembly efficiency of the battery box is effectively improved.

[0056] Some battery boxes also have a middle support frame 7, and the middle support frame 7 is arranged in the gap between two adjacent battery packs 62, and the middle support frame 7 is vertically connected to the bottom frame 612. The structural strength at the gap is enhanced, so that the side frame 611 and the bottom frame 612 are not easily deformed, and the structural stability is enhanced. The battery pack limiting structure of the present application can be arranged between the gap between the middle support frame 7 and the battery pack 62, one of the limiting blocks 3 abuts against the middle support frame 7, and the other limiting block 3 abuts against the battery pack 62. At this time, the battery pack limiting structure of the present application needs to be arranged in the two gaps between the middle support frame 7 and the battery packs 62 on both sides.

[0057] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A battery pack limiting structure, characterized in that: include: A first connecting member, the first connecting member is used for connection and fixing, and a thread groove is provided on the first connecting member; a second connecting member, the second connecting member and the first connecting member are spaced apart from each other, and the second connecting member is provided with a through hole; Two limit blocks, both of which are arranged between the first connecting member and the second connecting member; An adjusting member, the adjusting member passes through the through hole, and the adjusting member is threadedly connected to the thread groove, and one end of the adjusting member is limited to the second connecting member; The adjusting member can be rotated to adjust the second connecting member to be closer to the first connecting member, so that the second connecting member can push the two limiting blocks away from each other in the opposite direction, so as to increase the distance between the two limiting blocks.

2. The battery pack limiting structure according to claim 1, characterized in that: The two limit blocks are provided with matching inclined surfaces on the sides facing each other; The second connecting member has two push-up inclined surfaces; The two push-up inclined surfaces are respectively fitted with the matching inclined surfaces of the two limit blocks; When the second connecting member approaches the first connecting member, the second connecting member can push the two limiting blocks away from each other in opposite directions.

3. The battery pack limiting structure according to claim 2, characterized in that: The first connecting member has a sliding surface; the two limit blocks both have a sliding matching surface, and the sliding matching surface is attached to the sliding surface.

4. The battery pack limiting structure according to claim 2, characterized in that: The second connecting member is provided with two supporting ribs; The two support ribs are respectively arranged on the two push-up inclined surfaces; The two limit blocks are respectively slidably supported on corresponding support ribs.

5. The battery pack limiting structure according to claim 4, characterized in that: Both of the limit blocks are provided with step grooves; The two support ribs are slidably matched with the corresponding step grooves respectively.

6. The battery pack limiting structure according to any one of claims 1 to 5, characterized in that: The adjusting member includes a cap body and a screw rod, wherein the cap body is connected to one end of the screw rod, the screw rod passes through the through hole, and the screw rod is threadedly connected to the thread groove, and the cap body is limited to the second connecting member.

7. The battery pack limiting structure according to claim 6, characterized in that: The cross section of the cap body is polygonal.

8. The battery pack limiting structure according to claim 1, characterized in that: The first connecting member includes a bracket and a nut, the bracket is used for connection and fixing, the nut is welded to the bracket, and the bracket has an avoidance hole connected to the thread groove of the nut; The adjusting member is arranged to penetrate the avoidance hole.

9. The battery pack limiting structure according to claim 8, characterized in that: The bracket comprises a support plate and bent plates arranged on both sides of the support plate, and the two bent plates are used for welding and fixing; The nut is welded to the support plate, and the support plate is provided with the avoidance hole.

10. A battery box, characterized in that: include: A battery box body, the battery box body comprising a frame and at least two battery packs, each battery pack is fixed to the frame, and there is a gap between two adjacent battery packs; According to any one of claims 1-9, the battery pack limiting structure is located in the gap, and the first connecting member of the battery pack limiting structure is fixed to the frame, and at least one limiting block abuts against one of the battery packs.

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