New energy automobile lithium ion battery pack box body and battery pack

Abstract

The utility model relates to the technical field of battery packs, and particularly discloses a new energy automobile lithium ion battery pack box body and a battery pack, the new energy automobile lithium ion battery pack box body comprises an upper box body and a lower box body, a middle box body is arranged between the upper box body and the lower box body, a rectangular box body is arranged on one side, corresponding to the middle box body, of the upper box body, and the rectangular box body can be inserted into the middle box body; a plurality of sleeve blocks are evenly fixed to the periphery of the rectangular box body in a sliding mode, and a plurality of positioning mechanisms matched with the sleeve blocks are arranged on the outer side of the middle box body. According to the utility model, the upper box body can be efficiently and conveniently separated and disassembled, and meanwhile, the fixing of the upper box body has reliable stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack technical field especially relates to a new energy automobile lithium ion battery pack box and battery pack. BACKGROUND

[0002] New energy automobile as the development direction of future automobile industry has broad market prospect and development potential, with the continuous development of technology, new energy automobile lithium ion battery pack also obtains the rapid development, and the battery pack is used for installing the device of battery pack, and it is the battery system that a plurality of battery monomers are combined together according to certain configuration and connection mode, and the battery pack is often matched with the battery pack box.

[0003] The plurality of components of the existing new energy automobile lithium ion battery pack box are often fixedly connected through screws, and the combination and disassembly are not convenient enough.

[0004] Therefore, the new energy automobile lithium ion battery pack box and battery pack are provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a new energy automobile lithium ion battery pack box and battery pack.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A new energy automobile lithium ion battery pack box, comprising an upper box body and a lower box body, a middle box body is arranged between the upper box body and the lower box body, a rectangular box body is arranged on the side of the upper box body corresponding to the middle box body, the rectangular box body can be inserted into the middle box body, a plurality of sleeve blocks are uniformly and slidably fixed around the rectangular box body, and a plurality of positioning mechanisms matched with the plurality of sleeve blocks are arranged on the outer side of the middle box body.

[0008] Preferably, a sealing ring is fixed around the side of the upper box body corresponding to the middle box body, the sealing ring is arranged on the outer side of the rectangular box body, and the sealing ring can be sealingly abutted with the end face edge of the middle box body.

[0009] Preferably, the positioning mechanism comprises a support seat fixedly arranged on the side edge of the middle box body, a spring telescopic rod is horizontally fixed on the side edge of the support seat and faces the middle box body, the middle box body is provided with a circular hole coaxially corresponding to the spring telescopic rod, a cylindrical body is slidably arranged in the circular hole, the sleeve block is slidably and sleeved with the cylindrical body, a cavity is formed in one end of the cylindrical body close to the support seat, one end of the spring telescopic rod is fixedly connected with the bottom of the cavity of the cylindrical body, a capsule is sleeved on the outer side of the spring telescopic rod, one end of the capsule is located in the cavity of the cylindrical body, and a protruding block is fixedly arranged on the one end of the capsule, the protruding block slidably penetrates the inner wall of the cavity of the cylindrical body, and the sleeve block is provided with a plug hole matched with the protruding block.

[0010] Preferably, the capsule body can be filled with liquid, and a liquid injection port and a liquid discharge pipe are matched on the capsule body, a one-way valve is installed at the port of the liquid injection port, and a two-way electromagnetic valve is matched on the liquid discharge pipe and fixedly connected to the outside of the intermediate box.

[0011] Preferably, the side of the lower box corresponding to the intermediate box is provided with a rubber layer, and a convex edge is fixed to the edge of the lower box, and a plurality of grooves are uniformly arranged on the convex edge.

[0012] Preferably, a surrounding baffle is arranged between the upper box and the lower box, and the surrounding baffle surrounds the intermediate box.

[0013] A new energy automobile lithium ion battery pack comprises a battery pack body, the battery pack body is installed on the upper box, the battery pack body is located in a rectangular box body, and a sensor in signal connection with a plurality of two-way electromagnetic valves is installed in the rectangular box body.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a plurality of positioning mechanisms are arranged on the upper box and the intermediate box, and a plurality of cylinders can be inserted into the corresponding sleeve blocks through the positioning mechanisms, so that the stable fixed connection effect of the upper box and the intermediate box is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by the drawings for the ordinary skilled in the art without any creative labor.

[0017] Figure 1 It is the first axonometric drawing of the utility model;

[0018] Figure 2 It is the explosion drawing of the utility model;

[0019] Figure 3 It is Figure 2 It is the local enlarged view of the middle A;

[0020] Figure 4 It is the structure schematic view of the battery pack body of the utility model;

[0021] Figure 5 It is the local sectional view of the intermediate box of the utility model;

[0022] Figure 6 It is Figure 5A local enlarged view at B.

[0023] In the figure: 1, upper box body; 2, lower box body; 3, intermediate box body; 4, rectangular box body; 5, sleeve block; 6, sealing ring; 7, support seat; 8, spring telescopic rod; 9, cylinder; 10, capsule; 11, protruding block; 12, liquid injection port; 13, liquid discharge pipe; 14, two-way electromagnetic valve; 15, convex edge; 16, surrounding fence; 17, battery pack body. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] Referring to Figures 1-6 A new energy automobile lithium ion battery pack box body and battery pack, comprising an upper box body 1 and a lower box body 2, an intermediate box body 3 is arranged between the upper box body 1 and the lower box body 2, and the upper box body 1, the lower box body 2 and the intermediate box body 3 form a lithium ion battery pack box body. The side corresponding to the intermediate box body 3 of the upper box body 1 is provided with a rectangular box body 4, the rectangular box body 4 can be inserted into the intermediate box body 3, a plurality of sleeve blocks 5 are uniformly and slidably fixed around the rectangular box body 4, and a plurality of positioning mechanisms matched with the plurality of sleeve blocks 5 are arranged on the outer side of the intermediate box body 3. The plurality of positioning mechanisms correspond to the plurality of sleeve blocks 5 and can realize the fixed connection of the upper box body 1 and the intermediate box body 3.

[0027] As a technical optimization scheme of the utility model, the side corresponding to the intermediate box body 3 of the upper box body 1 is fixed with a sealing ring 6, the sealing ring 6 is located on the outer side of the rectangular box body 4, and the sealing ring 6 can be sealed and abutted with the end face edge of the intermediate box body 3. The sealing ring 6 has the effect of abutting and sealing.

[0028] As a technical optimization scheme of the utility model, the positioning mechanism includes the support seat 7 fixedly arranged at the side of the middle box body 3, the spring telescopic rod 8 horizontally fixed at the side of the support seat 7, the spring telescopic rod 8 is towards the middle box body 3, the middle box body 3 is equipped with the round hole corresponding with the spring telescopic rod 8 coaxially, the cylinder 9 is slidably arranged in the round hole, the sleeve block 5 is slidably matched with the cylinder 9, the one end of the cylinder 9 close to the support seat 7 is provided with the cavity, the one end of the spring telescopic rod 8 is fixedly connected with the cavity bottom of the cylinder 9, and the spring telescopic rod 8 is used to retract and reset the cylinder 9.

[0029] As a technical optimization scheme of the utility model, the inside of the capsule 10 can be filled with liquid, and the liquid inlet 12 and the liquid discharge pipe 13 are matched on the capsule 10, the one-way valve is matched and installed at the port of the liquid inlet 12, the one-way valve allows the liquid to be injected only from the liquid inlet 12 and cannot be discharged from the liquid inlet 12. The two-way electromagnetic valve 14 is matched on the liquid discharge pipe 13, and the two-way electromagnetic valve 14 is used to block and open the liquid discharge pipe 13. The two-way electromagnetic valve 14 is fixedly connected with the outside of the middle box body 3. The capsule 10 shrinks in volume as the liquid is discharged, the corresponding protrusion 11 slides and retracts, and the corresponding spring telescopic rod 8 resets and retracts, so that the operation of retracting the corresponding cylinder 9 is realized, and the upper box body 1 can be separated and disassembled when the plurality of cylinders 9 retract and separate from the corresponding sleeve block 5.

[0030] For the above example, those skilled in the art should know that, in the implementation of the above technical scheme, the liquid inlet 12 can be inserted and injected through the existing matching water pipe, and the water pipe is connected with the water tank and the water pump inside the water tank.

[0031] For the above example, those skilled in the art should know that, in the implementation of the above technical scheme, the one-way valve and the two-way electromagnetic valve 14 are both common valve bodies, which will not be described here.

[0032] As a technical optimization scheme of the utility model, the side corresponding to the lower box body 2 and the middle box body 3 is provided with a rubber layer, and the rubber layer has the effect of abutting and sealing. The edge of the lower box body 2 is fixedly provided with a convex edge 15, and the convex edge 15 is uniformly provided with a plurality of slot holes. The lower box body 2 can be fixedly connected with the middle box body 3 in advance. The setting of the convex edge 15 and the plurality of slot holes enables the lower box body 2 to be connected with external devices.

[0033] For the above example, those skilled in the art should know that, in the implementation of the above technical scheme, the lower box body 2 can be fixedly connected with the middle box body 3 through bolts or can be fixedly connected through welding.

[0034] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, the lower box body 2 is connected with the external device, wherein the external device can be a new energy automobile chassis.

[0035] As a technical optimization scheme of the utility model, the abutting between the upper box body 1 and the lower box body 2 is provided with the surrounding baffle 16, and the surrounding baffle 16 surrounds the middle box body 3. The surrounding baffle 16 plays the effect of protection and positioning mechanism. When assembling and setting, the upper and lower ends of the middle box body 3 and the surrounding baffle 16 abut against the rubber layer of the lower box body 2 and the sealing ring 6 of the upper box body 1, which can effectively ensure the sealing effect inside.

[0036] A new energy automobile lithium ion battery pack, comprising a battery pack body 17, the battery pack body 17 is internally provided with a lithium battery pack. The battery pack body 17 is installed and arranged on the upper box body 1, and the battery pack body 17 is located inside the rectangular box body 4, and the rectangular box body 4 is internally provided with a sensor in electrical signal connection with the plurality of two-way electromagnetic valves 14.

[0037] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, the sensor is an existing device, which will not be described here.

[0038] In the utility model, the working principle of the device is as follows:

[0039] The battery pack body 17 is installed and arranged inside the rectangular box body 4 of the upper box body 1, and then the upper box body 1 and the lower box body 2 are sequentially installed on the middle box body 3, and the surrounding baffle 16 is sleeved around the middle box body 3. The surrounding baffle 16 plays the effect of protection and positioning mechanism, and the upper and lower ends of the middle box body 3 and the surrounding baffle 16 abut against the rubber layer of the lower box body 2 and the sealing ring 6 of the upper box body 1, which can effectively ensure the sealing effect inside. When installing the upper box body 1, the corresponding rectangular box body 4 of the upper box body 1 is inserted and arranged into the middle box body 3, at this time, the plurality of sleeve blocks 5 and the plurality of positioning mechanisms are aligned and arranged with each other, then the liquid is injected into the corresponding capsule 10 through the liquid injection port 12 on the positioning mechanism in sequence, and the internal hydraulic pressure is ensured, after the liquid is injected into the capsule 10, the capsule 10 expands and fills into the cavity of the cylinder 9, and then the cylinder 9 is pushed to slide out of the circular hole, and finally the cylinder 9 is inserted into the corresponding sleeve block 5, and when the plurality of cylinders 9 are inserted into the corresponding sleeve block 5, the effect of insertion positioning is realized, that is, the stable fixed connection effect of the upper box body 1 and the middle box body 3 is realized, and at the same time, the capsule 10 expands and can also drive the protrusion 11 to slide through the cavity inner wall of the cylinder 9, and finally the protrusion 11 is inserted into the insertion hole matched with the sleeve block 5, further realizing the connection effect, and effectively ensuring the stable insertion of the cylinder 9 and the sleeve block 5.

[0040] The connection of the upper box body 1 and the middle box body 3 of the device does not need to be fixed by bolts, and when disassembled, the liquid inside the plurality of capsules 10 can be discharged. When discharging the liquid, the bidirectional electromagnetic valve 14 is started, the bidirectional electromagnetic valve 14 opens the liquid discharge pipe 13, and the liquid discharge operation can be performed. When a plurality of bidirectional electromagnetic valves 14 are started to discharge the liquid, the liquid inside the plurality of capsules 10 is discharged, the volume of the capsule 10 shrinks with the discharge of the liquid, the corresponding protrusion 11 slides and retracts, and the corresponding spring telescopic rod 8 resets and retracts, thereby realizing the operation of retracting the corresponding cylinder 9. The plurality of cylinders 9 retract and are separated from the corresponding sleeve block 5, so that the upper box body 1 can be disassembled, and the overall disassembly operation is convenient and efficient.

[0041] When the battery pack body 17 is normally used, if a burning problem occurs, the sensor electrically connected to the plurality of bidirectional electromagnetic valves 14 installed in the rectangular box body 4 can feed back the signal to the plurality of bidirectional electromagnetic valves 14, and simultaneously open the liquid discharge pipe 13, so that the plurality of cylinders 9 retract and are separated from the corresponding sleeve block 5, and the upper box body 1 can be slid and separated, and the battery pack body 17 is separated as a whole, which effectively ensures safety and effectively reduces the range of the burning of the battery pack body 17.

[0042] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A new energy vehicle lithium ion battery pack box body, comprising an upper box body (1) and a lower box body (2), characterized in that, The upper box body (1) and the lower box body (2) are provided with an intermediate box body (3), the upper box body (1) is provided with a rectangular box body (4) on the side corresponding to the intermediate box body (3), the rectangular box body (4) can be inserted into the intermediate box body (3), a plurality of sleeve blocks (5) are uniformly and slidably fixed around the rectangular box body (4), and the intermediate box body (3) is provided with a plurality of positioning mechanisms matched with the sleeve blocks (5) respectively. The positioning mechanism comprises a support seat (7) fixedly arranged on the side of the intermediate box body (3), a spring telescopic rod (8) horizontally fixed on the side of the support seat (7) and facing the intermediate box body (3), a circular hole coaxially corresponding to the spring telescopic rod (8) is arranged in the intermediate box body (3), a cylinder (9) is slidably arranged in the circular hole, the sleeve block (5) is slidably matched with the cylinder (9), a cavity is formed in one end of the cylinder (9) close to the support seat (7), one end of the spring telescopic rod (8) is fixedly connected with the bottom of the cavity of the cylinder (9), a capsule (10) is sleeved outside the spring telescopic rod (8), one end of the capsule (10) is located in the cavity of the cylinder (9) and fixedly provided with a protruding block (11) which slidably penetrates the inner wall of the cavity of the cylinder (9), and the sleeve block (5) is provided with a insertion hole matched with the protruding block (11).

2. The new energy vehicle lithium ion battery pack box of claim 1, wherein, The upper box body (1) is fixedly provided with a sealing ring (6) on the side corresponding to the intermediate box body (3), the sealing ring (6) is located outside the rectangular box body (4), and the sealing ring (6) can be sealingly abutted with the end face edge of the intermediate box body (3).

3. The new energy vehicle lithium ion battery pack box of claim 1, wherein, The capsule (10) can be filled with liquid, a liquid injection port (12) and a liquid discharge pipe (13) are matched arranged on the capsule (10), a one-way valve is arranged at the port of the liquid injection port (12), a two-way electromagnetic valve (14) is matched arranged on the liquid discharge pipe (13), and the two-way electromagnetic valve (14) is fixedly connected with the outside of the intermediate box body (3).

4. The new energy vehicle lithium ion battery pack box of claim 1, wherein, The side corresponding to the intermediate box body (3) of the lower box body (2) is provided with a rubber layer, and the edge of the lower box body (2) is fixedly provided with a convex edge (15) uniformly provided with a plurality of slot holes.

5. The new energy vehicle lithium ion battery pack box of claim 1, wherein, The upper box body (1) and the lower box body (2) are abutted with a surrounding baffle (16) arranged around the intermediate box body (3).

6. A new energy vehicle lithium ion battery pack, characterized in that, The battery pack body (17) is arranged on the upper box body (1), the battery pack body (17) is located in the rectangular box body (4), and a sensor electrically connected with the plurality of two-way electromagnetic valves (14) is arranged in the rectangular box body (4).

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