Battery pack shell and battery pack

Abstract

The utility model relates to a battery pack shell which comprises a lower shell, an upper shell and a display frame, a mounting cavity is formed between the upper shell and the lower shell, a through hole is formed in the display frame, observation parts are arranged on the four side walls of the display frame, a first positioning structure is arranged between the lower shell and the display frame, and a connecting structure is arranged between the upper shell and the display frame. The electric quantity display frame has the advantages that the observation parts are arranged on the four side walls of the display frame, display information of the electric quantity display unit can be observed from the periphery of the battery pack during use, observation from multiple angles is facilitated, residual electric quantity information of the battery pack can be obtained without turning over the battery pack, stable and continuous operation of the battery pack is guaranteed, and the working efficiency is improved. In addition, the utility model further discloses the battery pack, and the battery pack comprises the battery pack shell.

Description

Technical Field

[0001] This utility model relates to a circuit box housing and a battery pack. Background Technology

[0002] Existing battery packs typically feature a power display unit in a small area on one side of the pack to allow users to easily check the remaining battery level. However, this display unit only allows users to observe the battery from a certain angle. If the display unit is on the other side of the battery pack during use, it cannot be viewed directly, requiring the user to flip the pack to check the power level, interrupting normal operation and proving inconvenient. Utility Model Content

[0003] The purpose of this invention is to solve the problem that the power display unit on the existing battery pack can only be viewed from one direction. This invention proposes a battery pack housing with observation parts on all four side walls of the display frame, so that the power display unit can be observed from all sides of the battery pack during use. This facilitates observation of the power display unit from multiple angles, ensures stable and continuous operation of the battery pack, and greatly improves the performance of the battery pack.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: a battery pack housing, including a lower housing, an upper housing disposed on the lower housing, and a display frame disposed between the upper housing and the lower housing, wherein an installation cavity for mounting battery cell assemblies is formed between the upper housing and the lower housing, the display frame is provided with a through hole, and each of the four side walls of the display frame is provided with an observation part for observing the power display unit on the battery cell assembly, a first positioning structure is provided between the lower housing and the display frame, and a connecting structure is provided between the upper housing and the display frame.

[0005] Preferably, the observation section includes a light-transmitting strip that can be observed from the outside, and the light-transmitting strip and the display frame are an integral structure.

[0006] Preferably, the inner sidewall of the display frame is provided with light guide teeth to facilitate uniform light dispersion.

[0007] Preferably, the lower housing has a first groove, and the upper housing has a second groove corresponding to the first groove, forming a mounting groove for mounting the display frame between the first groove and the second groove.

[0008] Preferably, the first positioning structure includes a first positioning strip and a first positioning groove that are connected to each other, and the first positioning strip is disposed on the display frame, the first positioning strip and the display frame are an integral structure, and the first positioning groove is disposed in the first groove.

[0009] Preferably, the connecting structure comprises a connecting column and a connecting hole connected with each other, the connecting column is arranged on the upper shell, and a pressing block matched with the display frame is arranged on the outer sidewall of the connecting column; and the connecting hole is arranged on the display frame.

[0010] Preferably, a second positioning structure is arranged between the lower shell and the upper shell, the second positioning structure comprises a second positioning strip and a second positioning groove connected with each other, and the display frame is provided with an avoiding gap for exposing the second positioning strip.

[0011] Preferably, the battery pack shell further comprises a fastening bolt, the fastening bolt is sequentially threaded through the lower shell, the display frame and the upper shell.

[0012] Preferably, the lower shell is provided with a mounting column, the avoiding gap is provided with a connecting groove for the fastening bolt, and the upper shell is provided with a fixing column connected with the fastening bolt.

[0013] In addition, the application further provides a battery pack comprising the battery pack shell.

[0014] In conclusion, the application has the following advantages: the display frame is arranged on the four sidewalls of the display frame, the display frame constitutes part of the outer surface of the battery pack shell, the power display unit can be observed from all around the battery pack, the power display unit can be observed from multiple angles, the power information displayed by the power display unit can be obtained without turning over the battery pack, the stable and continuous operation of the battery pack is ensured, the installation is not limited by the installation position, different installation structures can be adapted, the use effect of the battery pack is greatly improved, the through hole arranged on the display frame does not interfere with the space of the cell assembly during installation, the first positioning structure is arranged between the lower shell and the display frame, and the connecting structure is arranged between the upper shell and the display frame, the display frame can be quickly positioned on the lower shell through the first positioning structure during installation, the alignment of the connecting structure is facilitated, the fixing quality of the display frame is improved, and the installation efficiency of the entire battery pack shell is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The application will be further described below with reference to the drawings:

[0016] Figure 1 FIG. 1 is a structural schematic view of the battery pack shell of the application;

[0017] Figure 2 FIG. 2 is a partial schematic view of the battery pack shell of the application;

[0018] Figure 3 FIG. 3 is a structural schematic view of the display frame in the application.

[0019] Figure 4 It is structural schematic view of the lower shell on which the display frame is installed in the utility model;

[0020] Figure 5 It is structural schematic view of the lower shell in the utility model;

[0021] Figure 6 It is structural schematic view of the upper shell in the utility model.

[0022] Reference signs:

[0023] 1 lower shell, 11 first recess, 12 mounting column, 2 upper shell, 21 second recess, 22 fixed column, 3 display frame, 31 through hole, 32 observation part, 33 light guide tooth, 34 avoiding gap, 35 connecting groove, 4 first positioning structure, 41 first positioning strip, 42 first positioning groove, 5 connecting structure, 51 connecting column, 52 connecting hole, 53 pressing block, 6 mounting groove, 7 second positioning strip, 8 second positioning groove, 9 fastening bolt. DETAILED DESCRIPTION Embodiment one

[0024] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 indicated, a kind of battery package shell, including lower shell 1, be arranged in lower shell 1 upper shell 2 and be arranged between upper shell 2 and lower shell 1 display frame 3, and the installation cavity of installing electric core assembly is formed between the upper shell 2 and lower shell 1, electric core assembly includes circuit board and battery assembly, and four side walls of circuit board are all equipped with the electric quantity display unit for indicating the residual electric quantity of the electric core assembly, and electric quantity display unit is indicator light, circuit board, battery assembly and electric quantity display unit are prior art, not do detailed description in the embodiment, display frame 3 is equipped with through hole 31, four side walls of display frame 3 are all equipped with the observation part 32 for observing the electric quantity display unit on electric core assembly, first positioning structure 4 is equipped between lower shell 1 and display frame 3, and connecting structure 5 is equipped between upper shell 2 and display frame 3.

[0025] The display frame is arranged between the upper shell and the lower shell, and constitutes part of the outer surface of the battery pack shell. The power display unit can be observed from all around the battery pack during use, facilitating observation of the power display unit from multiple angles. The power information displayed by the power display unit can be obtained without turning over the battery pack, ensuring stable and continuous operation of the battery pack. The installation is not limited by the installation position, and can be adapted to different installation structures, greatly improving the use effect of the battery pack. In addition, the through hole is arranged on the display frame, which does not interfere with the space of the battery cell assembly during installation. In addition, the first positioning structure is arranged between the lower shell and the display frame, and the connecting structure is arranged between the upper shell and the display frame. Therefore, the display frame can be quickly positioned on the lower shell through the first positioning structure during installation, which is conducive to the alignment of the connecting structure, thereby improving the fixing quality of the display frame and the installation efficiency of the entire battery pack shell.

[0026] The observation part 32 includes a light-transmitting strip that can be observed from the outside. The light-transmitting strip and the display frame are in an integrated structure. During use, the light-transmitting strip can observe the light emitted by the indicator light in the battery pack shell from the outside, and can distinguish the remaining power of the battery cell assembly according to the color of the light, greatly improving the observation efficiency. In addition, the light-transmitting strip and the display frame are arranged in an integrated structure, which can simplify the installation process between the light-transmitting strip and the display frame, and improve the connection strength between the light-transmitting strip and the display frame. The inner side wall of the display frame 3 is provided with light guide teeth 33 that facilitate uniform light dispersion. Through the arrangement of the light guide teeth, the light emitted by the indicator light can be uniformly dispersed, facilitating the operator to obtain accurate light source information. The light guide teeth and the display frame in the embodiment are preferably in an integrated structure, which can simplify the installation structure of the light guide teeth and the display frame, and improve the connection strength of the light guide teeth and the display frame.

[0027] The lower shell 1 is provided with a first recess 11, the upper shell 2 is provided with a second recess 21 corresponding to the first recess 11, and the first recess 11 and the second recess 21 form a mounting slot 6 for mounting the display frame 3. The mounting slot formed by the first recess and the second recess realizes the mounting of the display frame, which on the one hand improves the contact area of the display frame with the lower shell and the upper shell, and on the other hand protects the observation part and improves the service life of the display frame. The first positioning structure 4 includes a first positioning strip 41 and a first positioning groove 42 connected to each other, the first positioning strip 41 is arranged on the display frame 3, the first positioning strip 41 and the display frame 3 are in an integral structure, and the first positioning groove 42 is arranged in the first recess 11. The first positioning structure is arranged in the structure of the first positioning strip and the first positioning groove, which is simple in structure and convenient to mount and dismount. The first positioning strip is arranged on the display frame, which can increase the contact area of the display frame with the lower shell and improve the mounting quality of the display frame. In addition, the first positioning strip 41 and the display frame 3 are arranged in an integral structure, which can simplify the mounting structure between the first positioning strip and the display frame and improve the connection strength between the first positioning strip and the display frame. The connecting structure 5 includes a connecting column 51 and a connecting hole 52 connected to each other, the connecting column 51 is arranged on the upper shell 2, and a pressing block 53 abutting against the display frame is arranged on the outer side wall of the connecting column. The connecting hole 52 is arranged on the display frame 3. The connecting structure is arranged in the structure of the connecting column and the connecting hole connected to each other, which is reliable in connection and convenient to mount and dismount. The connecting column is arranged on the upper shell, and the connecting hole is arranged on the display frame. Since the outer side wall of the connecting column is provided with the pressing block abutting against the display frame, the mounting quality of the display frame can be improved during installation, and the display frame can be prevented from shaking. The pressing block of the embodiment is provided with four blocks, and the four blocks are evenly distributed on the outer side wall of the connecting column. The pressing block and the connecting column can be arranged in a split structure or an integral structure according to actual installation requirements. The embodiment preferably adopts an integral structure, which can simplify the mounting process between the pressing block and the connecting column and improve the connection strength between the pressing block and the connecting column.

[0028] The second positioning structure is provided with the second positioning strip 7 and the second positioning groove 8 which are connected with each other, the display frame 3 is provided with the avoiding gap 34 for exposing the second positioning strip 7, the second positioning structure can realize the quick positioning and installation of the upper shell and the lower shell, the second positioning structure is provided with the structure of the second positioning strip and the second positioning groove, the structure is simple, the positioning effect is good, the alignment of the second positioning structure is facilitated, the positions, the quantity and the shape of the second positioning strip and the second positioning groove can be set according to the actual installation requirement, different installation requirements can be met, the second positioning strip is arranged on the lower shell, the second positioning groove is arranged on the upper shell in the embodiment, in order to ensure the alignment effect of the second positioning strip and the second positioning groove, the avoiding gap is arranged on the display frame, so that the second positioning strip is always in the exposed state, therefore, the display frame does not interfere with the alignment of the second positioning structure in space, and the installation quality of the lower shell and the upper shell is improved.

[0029] The battery pack shell further comprises a fastening bolt 9 which is sequentially threaded through the lower shell 1, the display frame 3 and screwed into the upper shell 2, the arrangement of the fastening bolt can realize the fastening of the whole battery pack shell, specifically, the lower shell 1 is provided with a mounting column 12, the avoiding gap 34 is provided with a connecting groove 35 for the fastening bolt 9, the upper shell 2 is provided with a fixing column 22 connected with the fastening bolt 9, in the embodiment, the mounting column is provided with a mounting through hole, the fixing column is provided with a threaded hole, during the installation, the fastening bolt is threaded into the mounting column, and then threaded into the fixing column through the connecting groove, since the connecting groove is arranged in the avoiding gap, the fastening bolt does not need to be screwed into the display frame during the installation, the installation and fixation of the fastening bolt are facilitated, and the installation process of the fastening bolt is simplified. Embodiment two

[0030] The embodiment further provides a battery pack which comprises the shell.

[0031] In addition to the above preferred embodiments, the utility model has other implementation manners, and various changes and deformations can be made by the person skilled in the art according to the utility model, as long as the changes and deformations do not deviate from the spirit of the utility model, and all should belong to the range defined by the appended claims of the utility model.

Claims

1. A battery pack shell, comprising a lower shell (1) and an upper shell (2) arranged on the lower shell (1), a mounting cavity for mounting an electric core assembly is formed between the upper shell (2) and the lower shell (1), characterized in that: It also includes a display frame (3) arranged between the upper shell (2) and the lower shell (1), wherein the display frame (3) is provided with a through hole (31), and each of the four side walls of the display frame (3) is provided with an observation part (32) for observing the power display unit on the battery cell assembly; the first positioning structure (4) is arranged between the lower shell (1) and the display frame (3); and the connecting structure (5) is arranged between the upper shell (2) and the display frame (3).

2. The battery pack housing of claim 1, wherein: The observation part (32) comprises a light-transmitting strip which can be observed from the outside, and the light-transmitting strip and the display frame (3) are in an integral structure.

3. The battery pack housing of claim 2, wherein: The inner side wall of the display frame (3) is provided with a light guide tooth (33) for facilitating uniform light dispersion.

4. The battery pack housing of claim 2, wherein: The lower shell (1) is provided with a first recess (11), and the upper shell (2) is provided with a second recess (21) corresponding to the first recess (11); and the first recess (11) and the second recess (21) form an installation groove (6) for installing the display frame (3).

5. The battery pack housing of claim 4, wherein: The first positioning structure (4) comprises a first positioning strip (41) and a first positioning groove (42) connected with each other, wherein the first positioning strip (41) is arranged on the display frame (3) and is in an integral structure with the display frame (3), and the first positioning groove (42) is arranged in the first recess (11).

6. The battery pack housing of claim 1, wherein: The connecting structure (5) comprises a connecting column (51) and a connecting hole (52) connected with each other, wherein the connecting column (51) is arranged on the upper shell (2), and the outer side wall of the connecting column is provided with a pressing block (53) abutting against the display frame; and the connecting hole (52) is arranged on the display frame (3).

7. The battery pack housing of claim 1, wherein: The second positioning structure is arranged between the lower shell (1) and the upper shell (2), and comprises a second positioning strip (7) and a second positioning groove (8) connected with each other, and the display frame (3) is provided with an avoiding gap (34) for exposing the second positioning strip (7).

8. The battery pack housing of claim 7, wherein: The battery pack shell further comprises a fastening bolt (9) which is sequentially threaded through the lower shell (1), the display frame (3), and then screwed into the upper shell (2).

9. The battery pack housing of claim 8, wherein: The lower shell (1) is provided with a mounting column (12), the avoiding gap (34) is provided with a connecting groove (35) for threading the fastening bolt (9), and the upper shell (2) is provided with a fixing column (22) connected with the fastening bolt (9).

10. A battery pack comprising a housing, characterized by: The shell adopts the battery pack shell of any one of claims 1-9.

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