Safety power battery shell

Abstract

The utility model discloses a safety type power battery shell which comprises an outer shell body and a unit partition plate arranged on the inner side of the outer shell body, the device comprises an outer shell and a rectangular-ambulatory-plane mounting groove formed in the outer shell, the rectangular-ambulatory-plane mounting groove communicates with the top face of the outer shell, an impact-resistant gasket is mounted in the rectangular-ambulatory-plane mounting groove, a plurality of buffering through holes are formed in the surface of the impact-resistant gasket in a penetrating mode, and the buffering through holes are oval in an overlook mode. The inner wall of each buffering through hole is provided with two arc-shaped ribs, wherein the arc-shaped ribs and the impact-resistant gasket are of an integrated structure. According to the utility model, the power battery shell in the prior art is improved and optimized, the rectangular-ambulatory-plane mounting groove is designed on the shell, and the impact-resistant gasket is additionally arranged in the rectangular-ambulatory-plane mounting groove, so that the impact can be effectively reduced, the buffering and impact-resistant effects are achieved, the battery core in the shell is not easy to damage due to external impact, and the service life of the power battery shell is prolonged. And the safety of the power battery is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to power battery technical field, concretely relates to a safe power battery shell. BACKGROUND

[0002] As the core component of electric vehicles and energy storage systems, the performance and safety of power batteries directly affect the operating efficiency of the entire system and the safety of users. With the booming development of the new energy vehicle market, the progress of battery technology has become a key factor in driving this trend. As an important component for protecting the safety of batteries, the selection and design of the material of the power battery shell have a direct impact on the performance of electric vehicles. The main function of the power battery shell is to accommodate high-voltage batteries, electronic components, sensors, and connectors, while protecting these critical components from external impact, high temperature, water infiltration, and potential threats such as combustion.

[0003] The existing power battery shell in the prior art has the drawbacks that it is easily damaged when subjected to external pressure or impact, as it lacks a well-designed buffer and impact-resistant structure. Therefore, the utility model provides a safe power battery shell. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a safe power battery shell to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a safe power battery shell, comprising

[0006] a shell body, a unit partition plate installed on the inner side of the shell body, and a back-shaped mounting groove opened in the interior of the shell body.

[0007] The back-shaped mounting groove is in communication with the top surface of the shell body, and an impact-resistant gasket is installed in the back-shaped mounting groove.

[0008] Preferably, the surface of the impact-resistant gasket is provided with a plurality of buffer through holes, and the buffer through holes are elliptical in plan view.

[0009] Preferably, the inner wall of each buffer through hole is provided with two arc-shaped ribs which are of an integral structure with the impact-resistant gasket.

[0010] Preferably, the two arc-shaped ribs of the inner wall of the buffer through hole are symmetrically arranged.

[0011] Preferably, it further comprises a limiting structure which is arranged between the back-shaped mounting groove and the impact-resistant gasket.

[0012] Preferably, the limiting structure comprises hemispherical protrusions arranged at four corners of the H-shaped installation groove, and the outer surface of the impact-resistant pad is provided with a plurality of circular clamping grooves corresponding to the hemispherical protrusions.

[0013] Preferably, the end surface of the unit partition plate is provided with a plurality of clamping strips, and the inner wall of the outer shell is provided with a plurality of strip-shaped clamping grooves corresponding to the clamping strips.

[0014] Preferably, circular arc chamfers are formed at four corners of the outer surface of the outer shell.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses an improvement and optimization of the power battery shell in the prior art, designs an H-shaped installation groove on the shell, and adds an impact-resistant pad in the H-shaped installation groove, which can effectively reduce impact, play a buffering and impact-resistant effect, ensure that the battery core in the outer shell is not easy to be damaged due to external impact, and improve the safety of the power battery. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3 It is an explosion view of the utility model;

[0019] Figure 4 It is a structural schematic view of the unit partition plate of the utility model;

[0020] Figure 5 It is a structural schematic view of the impact-resistant pad of the utility model;

[0021] Figure 6 It is the utility model Figure 5 It is a local enlarged view of area A of the utility model;

[0022] Figure 7 It is a top view of the outer shell of the utility model;

[0023] In the drawing: 1, outer shell; 11, H-shaped installation groove; 12, strip-shaped clamping groove; 13, hemispherical protrusion; 2, impact-resistant pad; 21, buffering through hole; 22, circular clamping groove; 23, arc-shaped rib; 3, unit partition plate; 31, clamping strip. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1

[0026] Please refer to Figures 1 to 6 , the first embodiment of the present application, the embodiment provides a technical scheme: a safety type power battery shell, comprising

[0027] The shell body 1, the unit partition plate 3 installed in the inner side of the shell body 1, the unit partition plate 3 is used for isolating and installing a plurality of battery core in the shell body 1;

[0028] And the back-shaped installation groove 11 opened in the inside of the shell body 1, the back-shaped installation groove 11 is communicated with the top surface of the shell body 1, and the impact-resistant gasket 2 is installed in the back-shaped installation groove 11, the impact-resistant gasket 2 is made of silica gel foam HT-800 material, has the lightness of foam and the sealing property similar to traditional rubber sponge, can effectively reduce the impact, the material can work for a long time at-50~250 DEG C, can adapt to the temperature change of power battery in different environment, and has the flame retardant characteristic, can prevent the spread of fire to a certain extent, improve the safety of power battery.

[0029] In the embodiment, preferably, the surface of the impact-resistant gasket 2 is provided with a plurality of buffer through holes 21, and the buffer through holes 21 are elliptical in plan view, so that the impact-resistant gasket 2 has a certain deformation space when being extruded, thereby reducing the external impact force in the deformation process and achieving the impact-resistant effect on the shell body 1.

[0030] In the embodiment, preferably, the inner wall of each buffer through hole 21 is provided with two arc-shaped ribs 23 which are integrated with the impact-resistant gasket 2, so as to further support the impact-resistant gasket 2 and the shell body 1 when being impacted.

[0031] In the embodiment, preferably, the two arc-shaped ribs 23 of the inner wall of the buffer through hole 21 are symmetrically arranged, and the left-right symmetric design can ensure the stability of the buffer through hole 21 in the deformation process.

[0032] In the embodiment, preferably, the end surface of the unit partition plate 3 is provided with a plurality of integrated clamping strips 31, and the inner wall of the shell body 1 is provided with a plurality of strip-shaped clamping grooves 12 corresponding to the clamping strips 31, so that after the unit partition plate 3 is installed in the inner side of the shell body 1, the clamping strips 31 can be clamped into the strip-shaped clamping grooves 12, thereby ensuring the installation stability of the unit partition plate 3.

[0033] In the embodiment, preferably, the four corners of the outer surface of the outer shell 1 are processed with circular arc chamfers, so that the corners of the outer shell 1 are no longer sharp and become more rounded, thereby preventing damage from bumping.

[0034] Embodiment 2

[0035] Please refer to Figures 1 to 7 For the second embodiment of the utility model, the embodiment is based on the previous embodiment, and the difference is that the installation stability of the impact-resistant pad 2 can be ensured by the setting of the limiting structure.

[0036] Specifically, the limiting structure is arranged between the H-shaped mounting groove 11 and the impact-resistant pad 2, and the limiting structure includes a hemispherical protrusion 13 arranged at the four corners of the H-shaped mounting groove 11. The outer surface of the impact-resistant pad 2 is provided with a plurality of circular clamping grooves 22 corresponding to the hemispherical protrusions 13, so that after the impact-resistant pad 2 is pushed into the H-shaped mounting groove 11, the hemispherical protrusions 13 can be clamped into the circular clamping grooves 22, thereby limiting the impact-resistant pad 2 and ensuring the installation stability of the impact-resistant pad 2.

[0037] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A safety power cell housing characterized by: Comprising An outer shell (1), a unit partition plate (3) mounted on the inner side of the outer shell (1); And a hui-shaped mounting groove (11) opened in the inner part of the outer shell (1), the hui-shaped mounting groove (11) is communicated with the top surface of the outer shell (1), and the impact-resistant pad (2) is mounted in the hui-shaped mounting groove (11).

2. The safety power battery case according to claim 1, wherein: The surface of the impact-resistant pad (2) is provided with a plurality of buffer through holes (21) penetrating through, and the buffer through holes (21) are elliptical in plan view.

3. The safety power battery case according to claim 2, wherein: The inner wall of each buffer through hole (21) is provided with two arc-shaped ribs (23) which are of integral structure with the impact-resistant pad (2).

4. The safety power battery case according to claim 3, wherein: The two arc-shaped ribs (23) on the inner wall of the buffer through hole (21) are symmetrically arranged.

5. The safety power battery case according to claim 1, wherein: It also includes a limiting structure, which is arranged between the hui-shaped mounting groove (11) and the impact-resistant pad (2).

6. The safety power battery case according to claim 5, wherein: The limiting structure includes a hemispherical protrusion (13) arranged at four corners of the hui-shaped mounting groove (11), and the outer surface of the impact-resistant pad (2) is provided with a plurality of circular clamping grooves (22) corresponding to the hemispherical protrusion (13).

7. The safety power battery case according to claim 1, wherein: The end surface of the unit partition plate (3) is provided with a plurality of clamping strips (31), and the inner wall of the outer shell (1) is provided with a plurality of strip-shaped clamping grooves (12) corresponding to the clamping strips (31).

8. The safety power battery case according to claim 1, wherein: The four corners of the outer surface of the outer shell (1) are processed with circular arc chamfers.

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