CN213401449U

CN213401449U - Protection cover cap and battery pack

Info

Publication number: CN213401449U
Application number: CN202022081087.3U
Authority: CN
Inventors: 李金鹏; 张家硕; 单红艳; 李岩; 刘崇威; 刘洋
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-08
Anticipated expiration: 2030-09-21

Abstract

The utility model provides a protection shroud belongs to output utmost point protection technical field, including shroud body, tailboard and circular cutting ferrule. One side of the cover cap body is provided with an outward extending lead-out plate which is used for being bonded on the upper surface of the end surface of the module output electrode; the lower terminal surface of shroud body is equipped with circular cutting ferrule, and the opening has been seted up to the lateral wall of circular cutting ferrule, and circular cutting ferrule produces the deformation with the help of the opening for clamp on the tip of module output pole bolt. The utility model also provides a battery package. The utility model provides a protective cover cap, a circular cutting sleeve aims at a module output pole bolt, a cover cap body is installed from top to bottom, and the circular cutting sleeve is clamped on the end part of the module output pole bolt through the deformation of a notch; meanwhile, the lead-out plate is adhered to the upper surface of the end face of the output electrode of the module. The installation is accomplished to the mode that the shroud body utilized bonding to add the joint, can improve the stability that the protection shroud was installed on the module output electrode, avoids appearing the problem that the protection shroud pine takes off.

Description

Protection cover cap and battery pack

Technical Field

The utility model belongs to the technical field of the output utmost point protects, more specifically says, relates to a protection shroud and a use battery package of this kind of protection shroud.

Background

For a new energy automobile, the power battery pack provides energy for the whole automobile, and the module is used as a core subsystem of the power battery pack and is an indispensable part of the power battery pack. In order to protect the module output electrode, a protective cover is often mounted on the module output electrode for protection.

In prior art, utilize protection shroud and the bolt head interference fit's of module output pole mode, this kind of mode exists the joint not tight, the problem of easy pine taking off.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection shroud aims at solving the bolt head interference fit's that utilizes protection shroud and module output pole mode, and there is not tight the joint in this kind of mode, the problem of easy pine taking off.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a protective cover comprising:

the lead-out plate is used for being bonded to the upper surface of the end face of the module output electrode; the lower end face of the cover cap body is provided with a circular cutting sleeve, the side wall of the circular cutting sleeve is provided with an opening, and the circular cutting sleeve deforms with the aid of the opening and is used for being clamped on the end portion of the module output pole bolt.

As another embodiment of this application, the quantity of opening is four, evenly sets up in the circumference of circular cutting ferrule lateral wall.

As another embodiment of the present application, a double-sided tape is bonded to a lower end surface of the end tab, and the end tab is bonded to an upper surface of an output electrode end surface of the module by the double-sided tape.

As another embodiment of the present application, the thickness of the double-sided adhesive tape is 0.5 mm.

As another embodiment of the present application, the cover body, the end tab, and the circular ferrule are integrally formed.

As another embodiment of the present application, a side of the cover body away from the end tab and a front side of the cover body are both provided with a downwardly extending flange.

As another embodiment of the present application, the heat dissipation holes are formed on the turned edges.

As another embodiment of the present application, the cover body, the end tab, the circular ferrule, and the flange are integrally formed.

The utility model provides a pair of protection shroud's beneficial effect lies in: compared with the prior art, the protective cover cap has the advantages that the circular cutting sleeve is aligned with the module output pole bolt, the cover cap body is installed from top to bottom, and the circular cutting sleeve is clamped on the end part of the module output pole bolt through the deformation of the notch; meanwhile, the lead-out plate is adhered to the upper surface of the end face of the output electrode of the module. The installation is accomplished to the mode that the shroud body utilized bonding to add the joint, can improve the stability that the protection shroud was installed on the module output electrode, avoids appearing the problem that the protection shroud pine takes off.

The utility model also provides a battery package, include a protection shroud.

The utility model provides a pair of battery package's beneficial effect lies in: compared with the prior art, the utility model relates to a battery package is owing to used foretell a protection shroud, consequently possesses the same beneficial effect with a protection shroud, no longer gives unnecessary details here one by one.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a first perspective view of a protective cover according to an embodiment of the present invention;

fig. 2 is a second perspective view of a protective cover according to an embodiment of the present invention;

fig. 3 is an assembly schematic view of a protective cover according to an embodiment of the present invention.

In the figure: 100. a cover body; 110. a lead-out plate; 120. a circular cutting sleeve; 121. opening the gap; 130. flanging; 131. heat dissipation holes; 200. the end face of the module output pole; 300. the module output pole bolt.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, a protective cover according to the present invention will be described. A protective cover is arranged on an output electrode of a module and comprises a cover body 100, an end-lead plate 110 and a circular cutting sleeve 120.

An outward extending end plate 110 is arranged on one side of the cover body 100, and the end plate 110 is used for being adhered to the upper surface of the module output electrode end surface 200; the lower end surface of the cover body 100 is provided with a circular cutting sleeve 120, the side wall of the circular cutting sleeve 120 is provided with a notch 121, and the circular cutting sleeve 120 deforms with the aid of the notch 121 and is used for being clamped on the end part of the module output pole bolt 300.

Compared with the prior art, the protective cover cap provided by the utility model has the advantages that the circular cutting sleeve 120 is aligned with the module output pole bolt 300, the cover cap body 100 is installed from top to bottom, and the circular cutting sleeve 120 is clamped on the end part of the module output pole bolt 300 through the deformation of the notch 121; at the same time, the end plate 110 is adhered to the upper surface of the module output terminal surface 200. The cover cap body 100 is installed in a bonding and clamping mode, so that the stability of the protective cover cap on the output electrode of the module can be improved, and the problem that the protective cover cap is loosened is avoided.

As a specific embodiment of the protective cover cap provided in the present invention, please refer to fig. 2, the number of the openings 121 is four, and the openings are uniformly arranged in the circumferential direction of the side wall of the circular sleeve 120.

In this embodiment, the four openings 121 divide the circular cutting ferrule 120 into four parts, which are uniformly arranged in the circumferential direction of the circular cutting ferrule 120, when the protective cover cap is mounted downward, the four openings 121 in the circumferential direction of the circular cutting ferrule 120 can gradually deform and open the lower end of the circular cutting ferrule 120 by a certain angle, so that the lower end of the circular cutting ferrule 120 is gradually sleeved on the end of the bolt, and the end of the bolt is clamped by the elasticity of the circular cutting ferrule 120, so that the protective cover cap is kept stable.

As a specific embodiment of the pair of protective cover, the lower terminal surface of the end tab 110 is bonded with the double faced adhesive tape, and the end tab 110 is used for bonding the upper surface of the module output terminal surface 200 with the help of the double faced adhesive tape.

In this embodiment, a double-sided tape (not shown) is adhered to the lower end surface of the end tab 110 in advance, and when the protective cover is mounted, the end tab 110 is adhered to the upper surface of the module output electrode end surface 200 by the double-sided tape, so that the protective cover can be kept stable.

Optionally, the thickness of the double-sided adhesive tape is 0.5 mm.

As a specific embodiment of the protection cover provided by the utility model, the cover body 100, the end tab 110 and the circular cutting ferrule 120 integrated into one piece, the material is nylon + glass fiber.

In this embodiment, the integrally formed cover body 100, end tab 110 and circular ferrule 120 can improve the overall strength of the structure. The nylon and the glass fiber are made of a material obtained by adding glass fiber, a toughening agent and the like into nylon and blending. For example, the comprehensive mechanical property of the material is better by adding 30-35% of glass fiber and 8-12% of toughening agent.

Referring to fig. 1 to 2, a downwardly extending flange 130 is disposed on one side of the cover body 100 away from the end tab 110 and on the front side of the cover body 100.

In this embodiment, the flanges 130 are perpendicular to the cover body 100 and extend downward, the two flanges 130 form an included angle of 90 °, and the structure formed by the two flanges 130 can meet the requirement of the IP protection level, thereby reducing the risk of high-voltage electric shock of personnel.

As a specific embodiment of the protective cover of the present invention, please refer to fig. 1 to 2, the flange 130 is provided with heat dissipation holes 131.

In this embodiment, the heat dissipation holes 131 are disposed along the length direction of the flange 130, and the heat dissipation holes 131 are longitudinally formed, thereby facilitating heat dissipation of the module output electrode.

As a specific embodiment of the pair of protective cover, the cover body 100, the end tab 110, the circular cutting ferrule 120 and the turn-ups 130 integrated into one piece, the material is nylon + glass fiber.

In this embodiment, the integrally formed cover body 100, end tab 110, circular ferrule 120 and flange 130 can improve the overall strength of the structure. The nylon and the glass fiber are made of a material obtained by adding glass fiber, a toughening agent and the like into nylon and blending. For example, the comprehensive mechanical property of the material is better by adding 30-35% of glass fiber and 8-12% of toughening agent.

The utility model also provides a battery package, including foretell protection shroud.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a protection shroud installs on the module output electrode, its characterized in that includes:

2. The protective cover of claim 1 wherein said plurality of notches is four and is disposed uniformly about the circumference of said circular ferrule side wall.

3. The protective cover of claim 1 wherein said end tab has a double-sided adhesive adhered to a lower end surface thereof, said end tab being adapted to be adhered to an upper surface of the module output terminal end surface by said double-sided adhesive.

4. The protective cover of claim 3 wherein said double-sided adhesive has a thickness of 0.5 mm.

5. The protective cover of claim 1 wherein said cover body, said end tab and said circular ferrule are integrally formed.

6. The protective cover of claim 1 wherein the side of the cover body remote from the end tab and the front side of the cover body are each provided with a downwardly extending flange.

7. The protective hood of claim 6 wherein the fins have heat dissipation holes therein.

8. The protective cover of claim 6, wherein said cover body, said end tab, said circular ferrule and said flange are integrally formed.

9. Battery pack, characterized in that it comprises a protective cover according to any one of claims 1-8.