Automobile battery box cover assembly

Abstract

The present invention relates to the technical field of battery cover plates, and specifically to an automobile battery box cover plate assembly, comprising two heat dissipation mechanisms, a battery cover plate and a fixing mechanism, wherein the fixing mechanism comprises two fixing units and two limiting units, vertical grooves are provided on both inner sides of a circular groove, one end of the vertical groove is connected with a slide groove, and the other end of the vertical groove is provided with a fixing groove, the two fixing units are respectively threadedly connected to the battery cover plate, the two fixing units are also respectively supported against each other with corresponding bolt groove bodies, the two limiting units are respectively fixedly connected to the corresponding bolt groove bodies, the two limiting units are also respectively supported against each other with the battery cover plate, and the bolt groove body is disassembled and arranged in the battery cover plate and fixed by the fixing mechanism, thereby effectively solving the technical problem that when the thread is damaged, the bolt groove is inconvenient to replace due to the one-piece structural design.

Description

Technical Field

[0001] The invention relates to the technical field of battery covers, and in particular to an automobile battery box cover assembly. Background Art

[0002] With the worldwide energy crisis and climate warming, the transportation sector urgently needs a new energy model, and lithium-ion batteries have attracted widespread attention in the transportation sector due to their green environmental protection and high energy output. At present, the reliability and safety of batteries are also a technical difficulty and focus in the production process of large-capacity power batteries. The covers of existing battery assemblies are mostly fixed directly with bolts, and the bolts may become loose after long-term use, and long-term contact with air will cause oxidation reaction of the bolts, resulting in rust, causing the cover to become unstable, reducing the practicality of the battery assembly and the stability of the cover. In addition, the internal pressure is prone to excessive pressure and a large amount of heat, which can cause the shell to rupture or even explode.

[0003] A battery cover for a new energy vehicle battery in the prior art comprises a battery cover, wherein bolt grooves are arranged at the four corners of the top of the battery cover, two reinforcing grooves are arranged inside the battery cover, reinforcing ribs are arranged inside the two reinforcing grooves, a positive terminal and a negative terminal are symmetrically arranged on both sides of the battery cover, a positive electrode pressure plate is arranged inside the positive terminal, a positive electrode pressure plate and a negative electrode pressure plate are arranged inside the negative terminal, insulating plates are arranged inside the positive terminal and the negative terminal, a positive electrode column and a negative electrode column are fixedly connected to the bottom of the positive terminal and the negative terminal respectively, a positive electrode lead and a negative electrode lead are electrically connected to the bottom of the positive electrode column and the negative electrode column respectively, heat dissipation mechanisms are symmetrically arranged at both ends of the top of the battery cover, and an explosion-proof valve is arranged inside the battery cover body. The battery cover for a new energy vehicle battery has a simple and reasonable structure, a novel design, and high practicality in terms of the battery cover.

[0004] However, in the above-mentioned prior art, the bolt groove and the bolt are connected mainly by the thread in the bolt groove and the bolt. When the thread is damaged, it is not convenient to replace the bolt groove because the bolt groove is an integrally formed structural design. Summary of the invention

[0005] The purpose of the present invention is to provide a car battery box cover assembly to solve the technical problem that in the prior art, when the bolt groove and the bolt are connected, the connection mainly relies on the thread in the bolt groove and the bolt. When the thread is damaged, it is inconvenient to replace the bolt groove because the bolt groove is an integrally formed structural design.

[0006] To achieve the above-mentioned purpose, the present invention provides a vehicle battery box cover assembly, comprising two heat dissipation mechanisms, a battery cover and a fixing mechanism, wherein a positive electrode mechanism and a negative electrode mechanism are symmetrically arranged below the battery cover, a fixing frame is arranged on the end face of the battery cover, and circular grooves are provided at the top four corners of the battery cover, and a bolt groove body is disassembled and arranged in the circular groove, the two heat dissipation mechanisms are respectively fixedly connected to the battery cover, and are symmetrically arranged on the upper end face of the battery cover, and are also located in the fixing frame, the fixing mechanisms are arranged in a plurality of the circular grooves, and the fixing mechanism comprises two fixing units and two A limiting unit, wherein the two inner sides of the circular groove are provided with vertical grooves, one end of the vertical groove is connected with a slide groove, and the other end of the vertical groove is provided with a fixing groove, the two fixing units are respectively threadedly connected to the battery cover plate and are located in the corresponding fixing grooves, and the two fixing units are also respectively supported against each other by the corresponding bolt groove body and penetrate the bolt groove body, the two limiting units are respectively fixedly connected to the corresponding bolt groove body and are located at the other end of the bolt groove body, the two limiting units are also respectively supported against each other by the battery cover plate and are located in the corresponding slide groove and pass through the corresponding vertical groove.

[0007] Wherein, the fixing unit includes two screws, the two screws are respectively threadedly connected to the battery cover plate, and the two screws are also respectively abutted against the bolt slot body.

[0008] Wherein, the limiting unit includes two limiting blocks, the two limiting blocks are respectively fixedly connected to the bolt slot body, and the two limiting blocks are also respectively abutted against the battery cover plate.

[0009] Wherein, the automobile battery box cover assembly also includes a plurality of cooling fans, and the plurality of cooling fans are respectively arranged below the battery cover, and are symmetrically arranged in pairs on both sides of the positive electrode mechanism and the negative electrode mechanism.

[0010] Wherein, the positive electrode structure includes a positive electrode lead and a positive electrode column, the positive electrode lead is fixedly connected to the positive electrode column and is located at one end of the positive electrode column, and the positive electrode column is arranged below the battery cover.

[0011] Wherein, the negative electrode structure includes a negative electrode lead and a negative electrode column, the negative electrode lead is fixedly connected to the negative electrode column and is located at one end of the negative electrode column, and the negative electrode column is arranged at one end of the battery cover away from the positive electrode column.

[0012] Wherein, the heat dissipation mechanism includes a plurality of heat dissipation fins, and the plurality of heat dissipation fins are respectively fixedly connected to the battery cover plate.

[0013] The automobile battery box cover plate assembly of the present invention uses a special tool to remove the corresponding fixing unit from the other end of the bolt slot body, and then rotates the bolt slot body to make the bolt slot body rotate, and at the same time, the two limiting units move from the corresponding sliding slot to one end of the vertical slot, and then pull the bolt slot body to make the bolt slot body move out of the circular slot through the vertical slot. At this time, the damaged bolt slot body can be disassembled. When it is necessary to install, the new bolt slot body is placed in the circular slot and fixed by the two fixing units. Finally, the bolt slot body is firmly fixed in the circular slot by the two fixing units, so as to facilitate the subsequent fixing of the bolt. In this way, the technical problem that when the bolt slot and the bolt are connected, the connection mainly relies on the thread in the bolt slot and the bolt. When the thread is damaged, it is not convenient to replace the bolt slot because the bolt slot is an integrated structural design. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a three-dimensional stereogram of the first embodiment of the present invention.

[0016] Figure 2 It is a schematic structural diagram of a battery cover in the first embodiment of the present invention.

[0017] Figure 3 The present invention Figure 2 Section view along line AA.

[0018] Figure 4 The present invention Figure 3 A partial enlarged view of point B in the middle.

[0019] Figure 5 The present invention Figure 3 Sectional view along the CC line.

[0020] Figure 6 The present invention Figure 5 A partial enlarged view of point D in the middle.

[0021] Figure 7 It is a front view of the second embodiment of the present invention.

[0022] Figure 8 is a side view of a second embodiment of the present invention.

[0023] Fig. 9 It is a three-dimensional stereogram of the third embodiment of the present invention.

[0024] Fig.10 It is a bottom view of the third embodiment of the present invention.

[0025] 101-heat dissipation mechanism, 102-battery cover, 103-positive electrode mechanism, 104-negative electrode mechanism, 105-fixed frame, 106-circular groove, 107-bolt groove, 108-vertical groove, 109-slide groove, 110-fixed groove, 111-screw, 112-limiting block, 201-cooling fan, 202-positive electrode lead, 203-positive electrode column, 204-negative electrode lead, 205-negative electrode column, 206-heat dissipation fin, 301-protective patch, 302-explosion-proof valve, 303-explosion-proof grille. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0027] First embodiment:

[0028] See also Figure 1 to Figure 6 ,in Figure 1 is a three-dimensional stereogram of the first embodiment of the present invention, Figure 2 is a schematic structural diagram of a battery cover in a first embodiment of the present invention, Figure 3 The present invention Figure 2 The cross-sectional view along the AA line. Figure 4 The present invention Figure 3 A partial enlarged view of point B in the middle. Figure 5 The present invention Figure 3 Cross-sectional view of the CC line, Figure 6 The present invention Figure 5 A partial enlarged view of point D in the middle.

[0029] The present invention provides an automobile battery box cover assembly, comprising two heat dissipation mechanisms 101, a battery cover 102 and a fixing mechanism, wherein the fixing mechanism comprises two fixing units and two limiting units, wherein the fixing unit comprises two screws 111, and the limiting unit comprises two limiting blocks 112.

[0030] According to this specific embodiment, a positive electrode mechanism 103 and a negative electrode mechanism 104 are symmetrically arranged below the battery cover plate 102, a fixing frame 105 is arranged on the end face of the battery cover plate 102, and circular grooves 106 are provided at the four corners of the top of the battery cover plate 102, and a bolt groove body 107 is removably arranged in the circular groove 106. The two heat dissipation mechanisms 101 are respectively fixedly connected to the battery cover plate 102 and are symmetrically arranged on the upper end face of the battery cover plate 102, and are also located in the fixing frame 105. The heat dissipation can facilitate the heat dissipation of the battery cover plate 102, and the bolt groove body 107 is removably arranged in the circular groove 106, which can facilitate the disassembly or installation of the bolt groove body 107.

[0031] Among them, the fixing mechanism is provided in each of the plurality of circular grooves 106, and the two inner sides of the circular groove 106 have vertical grooves 108, one end of the vertical groove 108 is connected with a slide groove 109, and the other end of the vertical groove 108 has a fixing groove 110, and the two fixing units are respectively threadedly connected to the battery cover 102 and are located in the corresponding fixing grooves 110, and the two fixing units are also respectively abutted against the corresponding bolt groove bodies 107 and penetrate the bolt groove bodies 107, and the two limiting units are respectively fixedly connected to the corresponding bolt groove bodies 107 and are located at the other end of the bolt groove bodies 107, and the two limiting units are also respectively abutted against the battery cover 102 and are located in the corresponding slide grooves 109, and through the corresponding vertical grooves 108, the bolt groove body 107 is fixed to the battery cover 102 by the fixing assembly, and the limiting assembly can limit the moving distance of the bolt groove body 107.

[0032] Secondly, the two screws 111 are respectively threadedly connected to the battery cover plate 102 , and the two screws 111 are also respectively abutted against the bolt slot 107 , and the bolt slot 107 and the battery cover plate 102 are fixed by the screws 111 .

[0033] At the same time, the two limit blocks 112 are fixedly connected to the bolt slot 107 respectively, and the two limit blocks 112 also respectively abut against the battery cover 102 , so that the movement distance of the bolt slot 107 can be limited by the limit blocks 112 .

[0034] When using a car battery box cover plate assembly of the present embodiment, the corresponding fixing unit is removed from the other end of the bolt slot 107 by a special tool, and then the bolt slot 107 is rotated to rotate the bolt slot 107. At the same time, the two limiting units are moved from the corresponding slide groove 109 to one end of the vertical groove 108, and then the bolt slot 107 is pulled to move the bolt slot 107 out of the circular groove 106 through the vertical groove 108. At this time, the damaged bolt slot 107 can be disassembled. When installation is required, the new bolt slot 107 is placed in the circular groove 106 and fixed by the two fixing units. Finally, the bolt slot 107 is firmly fixed in the circular groove 106 by the two fixing units, so as to facilitate the subsequent fixing of the bolt. In this way, the technical problem that when the bolt slot is connected with the bolt, the connection between the bolt slot and the bolt is mainly based on the thread in the bolt slot and the bolt. When the thread is damaged, it is not convenient to replace the bolt slot because the bolt slot is an integrated structural design.

[0035] Second embodiment:

[0036] Based on the first embodiment, please refer to Figure 7-8 ,in Figure 7 is a front view of a second embodiment of the present invention, Figure 8 is a side view of a second embodiment of the present invention.

[0037] The present invention provides a vehicle battery box cover assembly which also includes a plurality of cooling fans 201 , the positive electrode mechanism 103 includes a positive electrode lead 202 and a positive electrode column 203 , the negative electrode mechanism 104 includes a negative electrode lead 204 and a negative electrode column 205 , and the heat dissipation mechanism 101 includes a plurality of heat dissipation fins 206 .

[0038] According to this specific embodiment, the plurality of cooling fans 201 are respectively arranged below the battery cover 102 , and are symmetrically arranged in pairs on both sides of the positive electrode mechanism 103 and the negative electrode mechanism 104 . The cooling fans 201 can dissipate heat inside the battery cover 102 .

[0039] The positive lead 202 is fixedly connected to the positive electrode column 203 and is located at one end of the positive electrode column 203. The positive electrode column 203 is arranged below the battery cover 102. The connection between the positive lead 202 and the positive electrode column 203 facilitates the transmission of current.

[0040] Secondly, the negative electrode lead 204 is fixedly connected to the negative electrode column 205 and is located at one end of the negative electrode column 205. The negative electrode column 205 is arranged at one end of the battery cover 102 away from the positive electrode column 203. The connection between the negative electrode lead 204 and the negative electrode column 205 can facilitate the transmission of current.

[0041] At the same time, the plurality of heat dissipation fins 206 are respectively fixedly connected to the battery cover plate 102 , and the heat dissipation fins 206 can dissipate heat for the battery cover plate 102 .

[0042] When using a car battery box cover assembly of this embodiment, the heat inside the battery cover 102 can be dissipated by the cooling fan 201, the connection between the positive lead 202 and the positive electrode column 203 can facilitate the transmission of current, the connection between the negative lead 204 and the negative electrode column 205 can facilitate the transmission of current, and the cooling fins 206 can dissipate heat for the battery cover 102.

[0043] Third embodiment:

[0044] The automobile battery box cover assembly further includes an explosion-proof mechanism, which is disposed inside the battery cover 102 .

[0045] The explosion-proof mechanism includes a protection patch 301 and an explosion-proof valve 302 . The protection patch 301 is fixedly connected to the battery cover 102 and is located above the explosion-proof valve 302 . The explosion-proof valve 302 is arranged inside the battery cover 102 .

[0046] The explosion-proof mechanism further includes an explosion-proof grille 303 , which is fixedly connected to the explosion-proof valve 302 and is located inside the explosion-proof valve 302 .

[0047] Based on the second embodiment, please refer to Figure 9-10 ,in Fig. 9 is a three-dimensional stereogram of a third embodiment of the present invention, Fig.10 It is a bottom view of the third embodiment of the present invention.

[0048] The present invention provides a vehicle battery box cover assembly which also includes an explosion-proof mechanism. The explosion-proof mechanism includes a protective patch 301 , an explosion-proof valve 302 and an explosion-proof grille 303 .

[0049] According to this specific embodiment, the explosion-proof mechanism is arranged inside the battery cover 102. The explosion-proof mechanism can prevent the internal gas surge, heat accumulation, and pressure increase that may cause explosion, thereby increasing the overall safety performance.

[0050] The protective patch 301 is fixedly connected to the battery cover 102 and is located above the explosion-proof valve 302 . The explosion-proof valve 302 is arranged inside the battery cover 102 . The protective patch 301 can protect the explosion-proof valve 302 .

[0051] Secondly, the explosion-proof grille 303 is fixedly connected to the explosion-proof valve 302 and is located inside the explosion-proof valve 302 . The explosion-proof grille 303 can protect the explosion-proof valve 302 .

[0052] When using a cardboard cutting device of the present embodiment, the explosion-proof mechanism can prevent the internal gas surge, heat accumulation, and instantaneous pressure increase from causing explosion, thereby increasing the overall safety performance. The protective patch 301 and the explosion-proof grille 303 can protect the explosion-proof valve 302.

[0053] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A car battery box cover assembly, comprising two heat dissipation mechanisms and a battery cover, wherein a positive electrode mechanism and a negative electrode mechanism are symmetrically arranged below the battery cover, a fixing frame is arranged on the end face of the battery cover, and a circular groove is provided at the top four corners of the battery cover, a bolt groove body is disassembled in the circular groove, the two heat dissipation mechanisms are respectively fixedly connected to the battery cover, and are symmetrically arranged on the upper end face of the battery cover, and are also located in the fixing frame, characterized in that: Also includes a fixing mechanism; The fixing mechanism is provided in each of the plurality of circular grooves, and the fixing mechanism includes two fixing units and two limiting units. The two inner sides of the circular groove are provided with vertical grooves, one end of the vertical groove is connected with a slide groove, and the other end of the vertical groove is provided with a fixing groove. The two fixing units are respectively threadedly connected with the battery cover plate and are located in the corresponding fixing grooves, and the two fixing units are also respectively supported by the corresponding bolt groove bodies and penetrate the bolt groove bodies, and the two limiting units are respectively fixedly connected with the corresponding bolt groove bodies and are located at the other end of the bolt groove bodies, and the two limiting units are also respectively supported by the battery cover plate and are located in the corresponding slide groove and pass through the corresponding vertical grooves; The fixing unit includes two screws, the two screws are respectively threadedly connected to the battery cover plate, and the two screws are also respectively abutted against the bolt slot body; The limiting unit includes two limiting blocks, the two limiting blocks are respectively fixedly connected to the bolt slot body, and the two limiting blocks are also respectively abutted against the battery cover plate.

2. The automotive battery box cover assembly according to claim 1, characterized in that: The automobile battery box cover assembly also includes a plurality of cooling fans, which are respectively arranged below the battery cover and symmetrically arranged in pairs on both sides of the positive electrode mechanism and the negative electrode mechanism.

3. The automobile battery box cover assembly according to claim 2, characterized in that: The positive electrode mechanism comprises a positive electrode lead and a positive electrode column. The positive electrode lead is fixedly connected to the positive electrode column and is located at one end of the positive electrode column. The positive electrode column is arranged below the battery cover.

4. The automobile battery box cover assembly according to claim 3, characterized in that: The negative electrode mechanism comprises a negative electrode lead and a negative electrode column. The negative electrode lead is fixedly connected to the negative electrode column and is located at one end of the negative electrode column. The negative electrode column is arranged at one end of the battery cover away from the positive electrode column.

5. The automobile battery box cover assembly according to claim 4, characterized in that: The heat dissipation mechanism comprises a plurality of heat dissipation fins, and the plurality of heat dissipation fins are respectively fixedly connected to the battery cover plate.

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