Battery pack fixing device

Abstract

The utility model discloses a battery pack fixing device, relates to the technical field of batteries, and solves the problem that a battery pack shakes in a shell. The battery pack comprises a shell, and an accommodating cavity for accommodating the battery pack is formed in the shell; the fixing frame is arranged on the inner side of the shell and is used for fixing a battery pack; the pressing sheet is pressed on the fixing frame so as to further fix the battery pack; and the supporting piece is arranged on the inner side of the shell and used for supporting and fixing the pressing piece. Through the integrated shell, the fixing frame, the pressing piece and the supporting piece, the stabilizing effect on the battery pack is achieved, the failure of the battery module in the battery pack in the vibration process is avoided, and the service life of the battery pack is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field, especially a kind of battery pack fixing device. BACKGROUND

[0002] In power battery industry, battery pack is a complex integrated system, multiple battery cells are combined into single battery module, and then multiple battery modules are assembled into battery pack. In order to prevent battery module from failing during vibration, when multiple battery modules are assembled, battery cell module needs to be completely fixed on shell.

[0003] However, when the number of battery modules set is large and the length of the entire battery module is long, the battery module may vibrate, which may cause problems in the entire battery pack, resulting in failure of battery system. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned problem, designs a kind of battery pack fixing device, solves the problem that battery pack shakes in shell.

[0005] The technical scheme of the utility model for achieving the above-mentioned purpose is a kind of battery pack fixing device, comprising:

[0006] Shell, the shell is provided with accommodating cavity for accommodating battery pack;

[0007] Fixing frame, the fixing frame is arranged in the inner side of the shell for fixing battery pack;

[0008] Tablet, the tablet is pressed on the fixing frame to further fix battery pack;

[0009] Support, the support is arranged in the inner side of the shell for supporting and fixing the tablet.

[0010] Further, the fixing frame is formed by surrounding a plurality of fixed branch plates, one side of the fixed branch plate is provided with a female buckle, and the adjacent fixed branch plate is provided with a male buckle matched with the female buckle.

[0011] Further, one side of the tablet is bent downward to form Z-shaped tablet.

[0012] Further, the support includes a connecting portion and a fixed support portion below the connecting portion, and the connecting portion is integrally connected with the fixed support portion.

[0013] Further, a first positioning hole is formed in the connecting portion, a second positioning hole is formed in the tablet, the first positioning hole is communicated with the second positioning hole, and the support and the tablet are fixedly connected by arranging a positioning member at the first positioning hole and the second positioning hole.

[0014] Further, one end of the fixed support part is fixedly connected with the shell.

[0015] Further, an avoiding groove is formed in the inner side of the shell to form an avoiding space for the connecting part.

[0016] Further, a limiting baffle is further included, which is arranged at intervals in the inner side of the shell, and the limiting baffle is arranged on both sides of the pressing plate to limit the pressing plate.

[0017] Compared with the prior art, the battery pack fixing device has the beneficial effects that:

[0018] The utility model discloses a battery pack fixing device, including the shell, fixed frame, pressing plate and support piece, and the accommodating space of accommodating battery pack is arranged in the shell, and the fixed frame is arranged in the shell and is used for fixing battery pack, and the pressing plate is pressed and arranged on the fixed frame to further positionally fixed battery pack, and the support piece is arranged in the inner side of the shell and is used for the fixed support of pressing plate, and then realize the stable position of battery pack, avoid the battery module in battery pack failure in the vibration process. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram (one) of battery pack fixing device provided in the utility model;

[0020] Figure 2 It is the structure schematic diagram (two) of battery pack fixing device provided in the utility model;

[0021] Figure 3 It is the structure schematic diagram of the inside of shell provided in the utility model;

[0022] Figure 4 It is the structure schematic diagram of pressing plate provided in the utility model;

[0023] Figure 5 It is the structure schematic diagram of support piece provided in the utility model.

[0024] In the drawing, 1, shell;101, avoiding groove;2, fixed frame;201, fixed support plate;2010, female buckle;2011, male buckle;3, pressing plate;301, second positioning hole;4, support piece;401, connecting part;4010, first positioning hole;402, fixed support part;5, limiting baffle;6, battery pack;601, battery core;7, conductive plate. DETAILED DESCRIPTION

[0025] 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. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] The utility model discloses an embodiment of a kind of battery pack fixing device, and the device includes shell 1, fixed frame 2, pressing piece 3 and support 4.

[0027] Specifically, referring to Figure 1 And Figure 2 Shell 1 is provided with the accommodation cavity for accommodating battery pack 6, and the size of the accommodation cavity can be adaptively adjusted according to the size of the assembled battery pack 6.

[0028] Fixed frame 2 is arranged on the inner side of shell 1 to fix battery pack 6. In the embodiment, a fixed frame 2 is arranged on both sides of battery pack 6 to realize the stable effect of battery pack 6. For the above fixed frame 2, it is formed by a plurality of fixed branch plates 201. Since the above battery pack 6 is assembled by a plurality of battery cells 601 through series and parallel connection, the number of fixed branch plates 201 in the embodiment can be increased or decreased according to the number of battery cells 601, and expanded according to the number of battery cells 601.

[0029] For how to expand the fixed branch plate 201, a female buckle 2010 is arranged on one side of the fixed branch plate 201, and a male buckle 2011 is arranged on the other side of the fixed branch plate 2012. Adjacent two fixed branch plates 201 can be buckled and matched by female buckle 2010 and male buckle 2011 to connect and fix each fixed branch plate 201. Therefore, the arrangement of fixed branch plate 201 can be expanded according to the number of battery cells 601.

[0030] Of course, it is not limited to using the above female buckle 2010 and male buckle 2011 to cooperate to realize the connection between each fixed branch plate 201. It can also be achieved by other connecting parts or fixing parts to realize the connection and fixation between fixed branch plates 201. Other technical solutions that can connect and fix fixed branch plates 201 should be covered within the protection scope of the utility model.

[0031] In the embodiment, pressing piece 3 is further arranged on the fixed frame 2 at both ends of battery pack 6. By arranging pressing piece 3, battery pack 6 is further fixed. Referring to Figure 1 、 Figure 3 And Figure 4One end of the pressing sheet 3 is pressed on the conductive plate 7 connected with the battery pack 6, and the other end of the pressing sheet 3 is pressed on the fixing frame 2. Since the surface of the battery pack 6 is formed with a ridge, one side of the pressing sheet 3 in the embodiment is bent downward to form a Z-shaped pressing sheet, thereby forming a corresponding avoiding area for the battery pack 6, so as to avoid the direct contact between the pressing sheet 3 and the ridge, and to affect the use of the battery pack 6.

[0032] For the support 4, in the embodiment, it is arranged on the inner side of the shell 1 to support the aforementioned pressing sheet 3, thereby providing a stable supporting force for the pressing sheet 3. Specifically, referring to Figure 2 and Figure 5 The support 4 comprises a connecting portion 401 and a fixed supporting portion 402 integrally connected with the connecting portion 401 below the connecting portion 401. One side of the connecting portion 401 and the fixed supporting portion 402 is fixedly connected with the shell 1. Of course, the connecting portion 401 and the fixed supporting portion 402 can not only be arranged as an integral connection, but also can be arranged as a separate connection, as long as the stable connection of the connecting portion 401 and the fixed supporting portion 402 can be ensured.

[0033] In the embodiment, a first positioning hole 4010 is formed on the connecting portion 401, and a second positioning hole 301 is formed on the pressing sheet 3, and the first positioning hole 4010 and the second positioning hole 301 are correspondingly communicated. By arranging a positioning member at the first positioning hole 4010 and the second positioning hole 301, the support 4 and the pressing sheet 3 are fixedly connected. The first positioning hole 4010 and the second positioning hole 301 can be arranged as screw holes, and nuts are arranged at the screw holes to realize the threaded connection. Correspondingly, the first positioning hole 4010 and the second positioning hole 301 can also be arranged as pin holes, and a positioning pin is arranged at the pin hole to realize the positioning and fixing. In addition, other technical solutions capable of supporting and fixing the pressing sheet 3 should be covered in the protection scope of the utility model.

[0034] In addition, in the embodiment, an avoiding groove 101 is formed on the inner side of the shell 1 to form an avoiding space for the connecting portion 401. When the support 4 and the pressing sheet 3 are installed in cooperation, the avoiding groove 101 can provide a corresponding avoiding space, thereby facilitating the installation work.

[0035] In addition, in the embodiment, in order to further limit the aforementioned pressing sheet 3, a plurality of limiting baffle strips 5 are arranged on the inner side of the shell 1. The limiting baffle strips 5 are arranged at intervals, and the number of the limiting baffle strips 5 can be reasonably adjusted according to the needs. The pressing sheet 3 and the support 4 are arranged between two adjacent limiting baffle strips 5, and the limiting baffle strips 5 on both sides provide a limiting action for the pressing sheet 3, thereby avoiding the falling of the pressing sheet 3.

[0036] In conclusion, the utility model discloses a kind of battery pack fixing device, integrated shell 1, fixed frame 2, tablet 3 and support 4, realize the stable effect to battery pack 6.The accommodating space for accommodating battery pack 6 is provided in shell 1, fixed frame 2 is arranged in shell 1 for fixing battery pack 6, tablet 3 is then pressed and arranged on fixed frame 2 to further limit and fix battery pack 6, support 4 is provided in the inside of shell 1 for fixing and supporting tablet 3, to realize the stable limit of battery pack 6 in turn, avoid battery module in battery pack 6 failure in vibration process.

[0037] The above technical solution only embodies the preferred technical solution of the utility model technical solution, and some changes that the skilled in the art can make to certain parts thereof embody the principles of the utility model and are within the scope of protection of the utility model.

Claims

1. A battery pack fixing device, characterized in that, include: The housing (1) has a cavity for accommodating the battery pack. A mounting bracket (2) is provided inside the housing (1) for fixing the battery pack; Press (3), the press (3) is pressed onto the fixing frame (2) to further fix the battery pack; Support member (4), which is disposed inside the housing (1) for supporting and fixing the pressure plate (3).

2. The battery pack fixing device according to claim 1, characterized in that, The fixing frame (2) is formed by a plurality of fixing support plates (201). A female buckle (2010) is provided on one side of the fixing support plate (201), and a male buckle (2011) that is compatible with the female buckle (2010) is provided on the adjacent fixing support plate (201).

3. The battery pack fixing device according to claim 1, characterized in that, One side of the compression tablet (3) is bent downward to form a Z-shaped compression tablet.

4. The battery pack fixing device according to claim 1, characterized in that, The support member (4) includes a connecting part (401) and a fixed support part (402) located below the connecting part (401), wherein the connecting part (401) and the fixed support part (402) are integrally connected.

5. A battery pack fixing device according to claim 4, characterized in that, The connecting part (401) is provided with a first positioning hole (4010), and the pressure plate (3) is provided with a second positioning hole (301). The first positioning hole (4010) and the second positioning hole (301) are connected. By setting positioning elements at the first positioning hole (4010) and the second positioning hole (301), the support member (4) and the pressure plate (3) are fixedly connected.

6. A battery pack fixing device according to claim 4, characterized in that, One end of the fixed support (402) is fixedly connected to the housing (1).

7. A battery pack fixing device according to claim 4, characterized in that, The housing (1) has an clearance groove (101) on its inner side to form a clearance space for the connecting part (401).

8. A battery pack fixing device according to claim 1, characterized in that, It also includes a limiting strip (5), which is spaced apart inside the housing (1). By setting the limiting strip (5) on both sides of the pressing plate (3), the pressing plate (3) is limited.

Images