Battery module end plate

Abstract

The utility model discloses a battery module end plate, which relates to the technical field of battery manufacturing and comprises an end plate main body, one side of the end plate main body is symmetrically and fixedly connected with fixed seats, the opposite sides of the fixed seats are rotatably connected with rotating rods, the outer sides of the rotating rods are fixedly connected with connecting pieces, and the tops of the connecting pieces are fixedly connected with side rods. A gap for a plastic steel belt to penetrate through is reserved between the side rod and the corresponding rotating rod, a driving assembly is installed in the fixing base and used for driving the rotating rod to rotate, and through the design of the gap between the rotating rod and the side rod and a worm and gear in the driving assembly, tightening and adjusting of the plastic steel belt can be easily achieved. The assembly process of the battery module is simplified, the firmness and safety of the battery module in the transportation and use process are ensured, the plastic steel belt can be tightly attached to the surfaces of battery pack end plates of different sizes, and fixing pieces of different sizes do not need to be replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery manufacturing technical field especially relates to a battery module end plate. BACKGROUND

[0002] The battery module end plate is an important component of the battery module, and bears the task of fixing the battery cell and protecting the battery module from external impact. In assembling the battery module, the existing end plate is usually fixed by bolts, nuts and other fasteners. This fixing method is relatively difficult to adjust the tightness of the plastic steel belt, and needs to be operated with tools, and the adjustment process is complicated, which may affect the assembly progress and assembly quality.

[0003] Secondly, the existing battery module end plate is inconvenient to adjust the tightness when used with the plastic steel belt. On the one hand, the specifications and length of the plastic steel belt usually need to be prepared in advance according to the actual size of the battery module, which increases the preparation workload and complexity before assembly. On the other hand, during the assembly process, it is difficult for the operator to intuitively judge whether the tightness of the plastic steel belt is appropriate, and often needs to be tried and adjusted several times, which not only reduces the assembly efficiency, but also may affect the overall performance of the battery module due to improper tightness. SUMMARY

[0004] The utility model aims at providing a battery module end plate, which solves the problem of inconvenient adjustment of the tightness of the plastic steel belt during assembly of the existing battery module end plate.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a battery module end plate, comprising an end plate main body, a fixed seat is symmetrically fixed on one side of the end plate main body, a rotating rod is rotatably connected to the opposite side of the fixed seat, a connecting piece is fixedly connected to the outer side of the rotating rod, a side rod is fixedly connected to the top of the connecting piece, a gap is reserved between the side rod and the corresponding rotating rod for the plastic steel belt to pass through, a driving assembly is installed in the inside of the fixed seat, and the driving assembly is used to drive the rotating rod to rotate, so that the connecting piece and the side rod are driven to rotate around the rotating rod during the rotation of the rotating rod, and the plastic steel belt is tightened.

[0006] Preferably, the driving assembly comprises a worm gear and a worm, the worm gear is fixedly connected to the outer side of the rotating rod and located in the inside of the fixed seat, the worm is rotatably connected to the inside of the fixed seat, the worm is meshed and connected with the worm gear, the rotation of the rotating rod is driven by the meshing transmission of the worm gear and the worm, and then the connecting piece and the side rod are driven to rotate to tighten the plastic steel belt.

[0007] Preferably, one end of the worm is fixedly connected with a knob, the worm is driven to rotate by directly rotating the knob, so that the operation of the driving assembly is more convenient and intuitive.

[0008] Preferably, the surface of the end plate body is symmetrically provided with a groove, which provides an embedding space when the plastic steel belt is wound, so that the plastic steel belt can maintain a stable position during winding or tightening, effectively avoiding the occurrence of misalignment or slipping.

[0009] Preferably, the end plate body is internally and equidistantly distributed with heat dissipation channels in triangular cross section, which effectively promote heat dissipation during the working process of the battery module, and the heat dissipation channels in triangular cross section have higher structural stability and are not prone to deformation.

[0010] Preferably, the ends of the rotating rod and the side rod are provided with chamfers, which can avoid damage or breakage of the plastic steel belt caused by sharp or uneven ends during threading, further protecting the integrity of the plastic steel belt.

[0011] Preferably, the top and bottom of the end plate body are symmetrically provided with positioning holes for precise positioning and fixing with other components of the battery module.

[0012] Preferably, the heat dissipation channels are filled with heat-conducting gel, further improving the heat dissipation performance of the battery module end plate and protecting the battery module from temperature fluctuations.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1、The utility model discloses a gap design between the rotating rod and the side rod, and a worm gear in the driving assembly, which can easily realize the tightening and adjustment of the plastic steel belt, simplify the assembly process of the battery module, ensure the firmness and safety of the battery module during transportation and use, make the plastic steel belt closely adhere to the surface of the battery module end plate of different size specifications, and do not need to replace different size fixing parts.

[0015] 2、The utility model discloses a gap between the rotating rod and the side rod and the tightening function of the driving assembly during the assembly of the plastic steel belt, which can easily adjust the tightness of the plastic steel belt, quickly and accurately complete the fixing and adjustment of the plastic steel belt when facing different size or shape battery modules, and improve the assembly efficiency and accuracy. DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the utility model.

[0017] Fig. 2 It is an end plate body structure schematic view of the utility model.

[0018] Fig. 3 It is a fixed seat internal structure schematic view of the utility model.

[0019] Label: 1, end plate body; 2, fixed seat; 3, rotating rod; 4, connecting piece; 5, side rod; 6, drive assembly; 61, worm gear; 62, worm; 7, knob; 8, groove; 9, heat dissipation channel; 10, positioning hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Please refer to Figs. 1 to 3 The embodiment provides a battery module end plate, which comprises an end plate body 1, a fixed seat 2 is fixedly connected to one side of the end plate body 1 in a symmetrical manner, rotating rods 3 are rotatably connected to the sides opposite to the fixed seat 2, connecting pieces 4 are fixedly connected to the outer sides of the rotating rods 3, side rods 5 are fixedly connected to the top of the connecting pieces 4, gaps for plastic steel belts to pass through are reserved between the side rods 5 and the corresponding rotating rods 3, a drive assembly 6 is installed in the fixed seat 2, and the drive assembly 6 is used to drive the rotating rods 3 to rotate, so that the connecting pieces 4 and the side rods 5 are driven to rotate around the rotating rods 3 in the process of rotation of the rotating rods 3, and the plastic steel belts are tightened.

[0022] In the process of assembling the battery pack, the plastic steel belts can pass between the rotating rods 3 and the side rods 5 when being bundled, the rotating rods 3 are driven to rotate by the drive assembly 6, the rotation of the rotating rods 3 further drives the connecting pieces 4 and the side rods 5 to rotate, and the plastic steel belts are gradually tightened to firmly fix the battery modules together.

[0023] The drive assembly 6 comprises a worm gear 61 and a worm 62, the worm gear 61 is fixedly connected to the outer side of the rotating rod 3 and located in the interior of the fixed seat 2, the worm 62 is rotatably connected in the interior of the fixed seat 2, and the worm 62 is in meshing connection with the worm gear 61.

[0024] The meshing transmission of the worm gear 61 and the worm 62 realizes the rotary drive of the rotating rod 3 by the drive assembly 6, and further drives the connecting pieces 4 and the side rods 5 to rotate to tighten the plastic steel belts, meanwhile, by virtue of the self-locking characteristics of the worm gear 61 and the worm 62 mechanism, the position of the rotating rod 3 can be automatically locked after the plastic steel belts are tightened, and the reverse rotation of the rotating rod 3 is prevented, so that the tightened plastic steel belts can be stably positioned on the battery modules.

[0025] One end of the worm 62 is fixedly connected with a knob 7, the worm 62 can be directly driven to rotate by rotating the knob 7, and the knob 7 is arranged, so that the operation of the drive assembly 6 is more convenient and intuitive.

[0026] The surface of the end plate body 1 is symmetrically provided with a groove 8, which is configured to provide an embedding space during winding of the plastic steel belt, so that the plastic steel belt can be closely attached to the surface of the end plate body 1, thereby effectively avoiding dislocation or slipping of the plastic steel belt during winding or tightening.

[0027] The end plate body 1 is internally provided with equidistantly distributed heat dissipation channels 9 in triangular cross section, which promote rapid dissipation of heat generated inside the end plate body 1 and the battery module during operation of the battery module, thereby improving heat dissipation efficiency.

[0028] The ends of the rotating rod 3 and the side rod 5 are provided with chamfers, which facilitate smooth insertion of the plastic steel belt and can also avoid damage or breakage of the plastic steel belt during insertion due to sharp or uneven ends.

[0029] The top and bottom of the end plate body 1 are symmetrically provided with positioning holes 10 for precise positioning and fixing with other components of the battery module, which can ensure that the end plate of the battery module maintains an accurate positional relationship with other components of the battery module during assembly, thereby improving assembly efficiency and accuracy.

[0030] The heat dissipation channels 9 are filled with heat-conducting gel, which can further improve the heat dissipation performance of the battery module end plate and enhance its adaptability to temperature changes.

[0031] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A battery module end plate, comprising an end plate body (1), characterized in that, A fixed seat (2) is symmetrically fixedly connected to one side of the end plate body (1). A rotating rod (3) is rotatably connected to the opposite side of the fixed seat (2). A connecting piece (4) is fixedly connected to the outside of the rotating rod (3). A side rod (5) is fixedly connected to the top of the connecting piece (4). A gap is reserved between the side rod (5) and the corresponding rotating rod (3) for the plastic steel belt to pass through. A drive assembly (6) is installed inside the fixed seat (2). The drive assembly (6) is used to drive the rotating rod (3) to rotate. Thus, during the rotation of the rotating rod (3), the connecting piece (4) and the side rod (5) are driven to rotate around the rotating rod (3) as the axis, tightening the plastic steel belt.

2. The battery module end plate according to claim 1, characterized in that, The drive assembly (6) includes a worm wheel (61) and a worm (62). The worm wheel (61) is fixedly connected to the outside of the rotating rod (3) and inside the fixed seat (2). The worm (62) is rotatably connected inside the fixed seat (2). The worm (62) meshes with the worm wheel (61).

3. The battery module end plate according to claim 2, characterized in that, A knob (7) is fixedly connected to one end of the worm gear (62).

4. The battery module end plate according to claim 1, characterized in that, The surface of the end plate body (1) is symmetrically provided with grooves (8).

5. The battery module end plate according to claim 1, characterized in that, The end plate body (1) has heat dissipation channels (9) with triangular cross sections distributed at equal intervals inside.

6. The battery module end plate according to claim 1, characterized in that, Both the ends of the rotating rod (3) and the side rod (5) are chamfered.

7. The battery module end plate according to claim 1, characterized in that, The end plate body (1) is provided with symmetrical positioning holes (10) at the top and bottom.

8. The battery module end plate according to claim 5, characterized in that, The heat dissipation channel (9) is filled with thermally conductive gel.

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