Upper cover structure of battery pack

Abstract

The utility model discloses a battery pack upper cover structure which comprises a cover body, the cover body comprises a cover plate and a surrounding edge, the surrounding edge is upwards arranged on the periphery of the cover plate in a surrounding mode, an installation groove is formed in the top face of the cover plate and used for installing a matched assembly, and a battery pack box body is connected with the surrounding edge in a fastening mode. And the plane of the fastening joint of the battery pack box body and the surrounding edge is as high as the mounting surface of the matching component. According to the utility model, the internal space of the battery pack occupied by fastening the cover body in the prior art is equivalently moved to the upper spare space of the cover body which is conventionally designed, so that the space utilization degree of the battery pack structure is enhanced, and the battery pack can be firmly fixed under the condition that the height of the battery pack is not changed; according to the battery pack, more types of battery cells can be matched and placed in the battery pack, the overall energy density of the battery pack is further enhanced, and the surrounding edge structure not only utilizes the unoccupied space, but also can protect a matched assembly mounted on the top surface of the cover plate to a certain extent when the battery pack is impacted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery pack upper cover technical field, especially to a upper cover structure of the installation surface of matched assembly and the fastening surface of battery pack are on the same height. BACKGROUND

[0002] The common battery pack upper cover structure is the cover plate with downward flanging (referring to Figure 1 ), the upper cover is fastened and connected with the battery pack box body, the matched assembly such as handle 31, input end 32, output end 33 etc. are installed above the cover plate 11, the connection of upper cover and battery pack usually adopts screw to fasten the flanging of cover plate and battery pack box body, the installation surface of upper cover and matched assembly and the fastening surface of upper cover and battery pack are not on the same height, after screw fastening, there is surplus space between the cover plate and fastening surface, which will occupy part of the space inside the battery pack, thus causing the waste of part of the space inside the battery pack. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the deficiency in prior art, and provides an upper cover structure of matched assembly installation surface and battery pack box body fastening surface on the same height, which can release more space inside the battery pack.

[0004] The utility model aims at overcoming the deficiency in prior art, and provides an upper cover structure of matched assembly installation surface and battery pack box body fastening surface on the same height, which can release more space inside the battery pack.

[0005] An upper cover structure of battery pack, including cover body, the cover body includes cover plate and surrounding edge, the surrounding edge is surrounded in four around the cover plate upwards, the installation groove for installing matched assembly is arranged on the cover plate top surface, the battery pack box body is fastened and connected with the surrounding edge, the plane of fastening connection of battery pack box body and the surrounding edge is consistent with the height of matched assembly installation surface.

[0006] In a preferred scheme, a plurality of connecting holes are arranged on the side surface of surrounding edge, the connecting hole is used for fastening connection with battery pack box body, the connecting holes are evenly arranged on four side surfaces of surrounding edge, the top surface of connecting hole is on the same height with the installation surface of matched assembly, the connecting hole is screw hole, and the cover body and battery box body are fastened through screw.

[0007] In a preferred scheme, the thickness of surrounding edge is at least equal to the fastening depth required by screw, so as to ensure the stability of battery pack box body assembly.

[0008] In a preferred scheme, the height of surrounding edge is not higher than the highest plane height of matched assembly after fastening.

[0009] In a preferred scheme, the top of surrounding edge extends horizontally to the outside of cover body, which is convenient for the grip and movement of assembled battery pack.

[0010] In a preferred solution, the cover plate and the surrounding edge are integrally formed.

[0011] In a preferred solution, the matched assembly includes a handle, an input port and an output port, and after the matched assembly is fastened, the edges of the handle in the length direction are parallel to the edges of the cover plate in the width direction, and the input port and the output port are respectively installed on the left and right sides of the handle.

[0012] The upper cover structure of the utility model, set up the surrounding edge that goes up around the cover plate four, the battery package box body and the surrounding edge fastening connection, the battery package box body and the plane of fastening connection of surrounding edge are identical with the height of matched assembly installation surface, equivalent to move the inside space of battery package that fastening occupies in prior art to the upper empty space of conventional design cover body, enhanced the space utilization of battery package structure, made the battery package can adapt and put into more model electric core under the condition of unchangeable height, and further enhanced the energy density of battery package overall, and the surrounding edge structure not only utilized the empty space, but also can protect the matched assembly installed on the top surface of cover plate to a certain extent when the battery package is impacted. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limited, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0014] Figure 1 It is the upper cover structure schematic diagram of prior art battery package;

[0015] Figure 2 It is the upper cover cover body schematic diagram of battery package of the utility model;

[0016] Figure 3 It is the upper cover structure schematic diagram of battery package of the utility model;

[0017] Figure 4 It is the upper cover structure sectional view of battery package of the utility model. DETAILED DESCRIPTION

[0018] In order to facilitate understanding of the utility model, the following will be more comprehensive description of the utility model with reference to relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] It is to be understood that where an element such as a layer, region or substrate is described as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element such as a layer, region or substrate is described as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the term "top surface", "top", "left side", "right side", and the like refer to the relative positions of an object in the drawings on the specification and are not meant to be limiting.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] Referring to Figures 2 to 4 The battery pack upper cover structure comprises a cover body 1, which comprises a cover plate 11 and a surrounding edge 12, the surrounding edge 12 is arranged around the cover plate 11 and faces upward, the cover plate 11 is provided with a mounting groove 13 on the top surface for mounting a matching component, the battery pack box body is fastened to the surrounding edge 12, and the plane where the battery pack box body is fastened to the surrounding edge 12 is consistent with the height of the mounting surface of the matching component.

[0022] The upper cover structure, the cover plate 11 and the surrounding edge 12 are integrally formed, the surrounding edge 12 is arranged around the cover plate 11 and faces upward, the battery pack box body is fastened to the surrounding edge 12, and the plane where the battery pack box body is fastened to the surrounding edge 12 is consistent with the height of the mounting surface of the matching component, which is equivalent to moving the internal space of the battery pack occupied by the fastening of the cover body 1 in the prior art to the upper empty space of the cover body 1 in the conventional design, thereby enhancing the space utilization of the battery pack structure, and allowing more types of battery cells to be accommodated in the battery pack under the condition that the height of the battery pack remains unchanged, and further enhancing the overall energy density of the battery pack.

[0023] In an embodiment, a plurality of connecting holes 121 are formed in the side surface of the surrounding edge 12, the cover body 1 is fastened to the battery pack box body through the connecting holes 121, the connecting holes 121 are uniformly arranged on the four side surfaces of the surrounding edge 12, the cover body 1 in this embodiment has a rectangular structure, five connecting holes 121 are arranged on the long side of the surrounding edge 12, and four connecting holes 121 are arranged on the short side, the top surface of the connecting hole 121 is at the same height as the mounting surface of the matching component, and after the battery pack box body is fastened to the surrounding edge 12 through the connecting holes 121, the top surface of each connecting hole 121 forms a fastening plane, which is consistent with the height of the mounting surface of the matching component, thereby saving the internal space of the battery pack occupied by the fastening.

[0024] In this embodiment, the connecting hole 121 is a threaded hole, and the cover 1 and the battery box are fastened together by screws. To further ensure the stability of the battery pack assembly, the thickness of the rim 12 is at least equal to the required tightening depth of the screws.

[0025] In other embodiments, the cover 1 and the battery pack housing can be fastened using other existing fastening connection methods such as snap-fit.

[0026] The edge 12 structure not only utilizes the available space but also provides some protection for the components mounted on the top surface of the cover 11 when the battery pack is impacted. In practice, the height of the edge 12 is no higher than the highest plane height of the fastened components. If the edge 12 is too high, the battery pack will occupy a large amount of space and be more susceptible to impact.

[0027] The top of the rim 12 extends horizontally outwards from the cover, facilitating the gripping and movement of the battery pack after assembly.

[0028] The supporting components in this embodiment include a handle 31, an input port 32, and an output port 33. After the supporting components are fastened, the edge of the handle 31 in the length direction is parallel to the edge of the cover plate 11 in the width direction. The input port 32 and the output port 33 are respectively installed on the left and right sides of the handle 31. Compared with the design of the supporting components in the prior art (and... Figure 1 (Comparison) The placement of components was redesigned to match the design of the surrounding structure and make the overall structure of the battery pack more compact, effectively utilizing space. Moreover, the input port 32 and the output port 33 are respectively installed on the left and right sides of the handle 31. This layout allows operators to easily find the required connection ports, reducing the risk of misoperation during operation and ensuring the practicality of the product.

[0029] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A battery pack cover structure, characterized in that, The device includes a cover body, which includes a cover plate and a surrounding edge. The surrounding edge is arranged upward around the cover plate. The top surface of the cover plate is provided with a mounting groove for installing supporting components. The battery pack housing is fastened to the surrounding edge. The plane at the fastening connection between the battery pack housing and the surrounding edge is at the same height as the mounting surface of the supporting components.

2. The battery pack cover structure according to claim 1, characterized in that, The side of the edging is provided with multiple connection holes, which are used to securely connect to the battery pack housing.

3. The battery pack cover structure according to claim 2, characterized in that, The cover is rectangular, and the connecting holes are evenly distributed on the four sides of the rim.

4. The battery pack cover structure according to claim 3, characterized in that, The top surface of the connecting hole is at the same height as the mounting surface of the matching component.

5. The battery pack cover structure according to claim 4, characterized in that, The connection hole is a threaded hole, which is fastened with screws.

6. The battery pack cover structure according to claim 5, characterized in that, The thickness of the edging is at least equal to the required tightening depth of the screw.

7. The battery pack cover structure according to claim 1, characterized in that, The height of the surrounding edge shall not exceed the highest plane height of the fastened matching component.

8. The battery pack cover structure according to claim 1, characterized in that, The top of the edging extends horizontally outward from the cover.

9. The battery pack cover structure according to claim 1, characterized in that, The cover plate and the surrounding edge are integrally formed.

10. The battery pack cover structure according to claim 1, characterized in that, The supporting components include a handle, an input port, and an output port. After the supporting components are fastened, the edge of the handle in the length direction is parallel to the edge of the cover plate in the width direction. The input port and the output port are respectively installed on the left and right sides of the handle.

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