CN211789128U

CN211789128U - Lithium battery pack shell with protection function

Info

Publication number: CN211789128U
Application number: CN201922454947.0U
Authority: CN
Inventors: 吴曲勇; 邵洋洋
Original assignee: Suzhou Maxon New Energy Co ltd
Current assignee: SUZHOU GERUI POWER SUPPLY TECHNOLOGY Co.,Ltd.
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-27
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical field of the lithium cell technique and specifically relates to a lithium cell group shell with safeguard function and specifically relates to a lithium cell group shell lacks protector's problem to lithium cell group shell among the prior art, now proposes following scheme, and it includes casing, four buffer stop, top cap and mounting panel, four buffer stop fixes respectively on four side outer walls of casing, buffer stop includes fixed plate and anticollision board, but one side of fixed plate and the outer wall split type of casing are connected, through a plurality of first spring fixed connection between the opposite side of fixed plate and the anticollision board, the mounting panel is located the inside of casing, and the bottom surface of mounting panel is fixed with a plurality of rubber support. The utility model discloses rational in infrastructure, design benefit not only has good protecting effect, can unload the impact when lithium cell casing receives the striking to avoid the lithium cell to receive the damage, on the other hand has also strengthened the heat dispersion of casing, easily uses widely.

Description

Lithium battery pack shell with protection function

Technical Field

The utility model relates to a lithium cell field especially relates to a lithium cell group shell with safeguard function.

Background

The lithium battery is a primary battery using a non-aqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material, and unlike the lithium ion battery, the lithium battery is a primary battery and the lithium ion battery is a secondary battery.

At present, lithium batteries are mostly adopted as power sources in new energy automobiles. Lithium cell group generally installs in the inside of lithium cell group shell, but lithium cell group shell among the prior art is mostly simple in structure, lacks protector, damages the inside lithium cell easily when lithium cell group shell suffers the striking, and for this reason, this scheme has proposed a lithium cell group shell with safeguard function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium cell group shell with safeguard function has solved the problem that the lithium cell group shell among the prior art lacks protector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lithium battery pack shell with a protection function comprises a shell, four anti-collision devices, a top cover and a mounting plate, wherein the four anti-collision devices are respectively fixed on the outer walls of four sides of the shell, each anti-collision device comprises a fixing plate and an anti-collision plate, one side of each fixing plate is detachably connected with the outer wall of the shell, the other side of each fixing plate is fixedly connected with the anti-collision plate through a plurality of first springs, the mounting plate is positioned in the shell, a plurality of rubber supports are fixed on the bottom surface of each mounting plate, the bottoms of the rubber supports are fixedly connected with the inner wall of the bottom of the shell, a connecting frame is fixed on the top of the shell, clamping holes are formed in two sides of the connecting frame, the top cover is positioned at the top of the shell, the top cover is arranged outside the connecting frame, accommodating holes are formed in the inner walls of two sides of the top cover, and adjusting, the one end of two regulation posts extends to the inside in two card holes respectively, all seted up the regulation hole on the both sides outer wall of top cap, the one end of two regulation posts extends to the inside in two regulation holes respectively.

Preferably, the external fixation who adjusts the post has the spring fixture block, and the spring fixture block is located the inside of accomodating the hole, the outside cover of adjusting the post is equipped with the second spring, and the second spring is located the spring fixture block and accomodates between the lateral wall in hole, the one end that the post is located the inside in card hole is the right angled triangle structure, and the other end of adjusting the post is fixed with solid fixed ring.

Preferably, the connecting grooves are formed in the outer walls of the four sides of the shell, the connecting plates are fixed to one sides, away from the anti-collision plate, of the four fixing plates, the connecting plates and the connecting grooves are of T-shaped structures, and the connecting plates are clamped inside the connecting grooves.

Preferably, the inner walls of the four sides of the shell are respectively in threaded connection with a screw, and one end of each screw extends into the connecting plate and is fixedly connected with the connecting plate.

Preferably, the bottom of the shell is provided with a groove, and the top of the groove is fixed with a plurality of radiating fins.

Preferably, a plurality of bottom plates are fixed to the bottoms of the four sides of the shell, and fixing holes are formed in the bottom plates.

Preferably, the outer walls of the other sides of the four anti-collision plates are respectively fixed with a cushion pad, and the cushion pads are made of rubber.

The utility model has the advantages that:

1. through the cooperation between blotter, anticollision board, first spring and the fixed plate, can will do all can the uninstallation when the casing suffers the striking and fall to avoid the lithium cell to receive the damage, through the cooperation between mounting panel and the rubber support, reach and give the absorbing purpose of lithium cell group.

2. The purpose of conveniently opening and closing the top cover is achieved through the matching among the clamping hole, the adjusting column, the accommodating hole, the spring clamping block, the second spring, the fixing block and the adjusting hole.

3. Through the cooperation between recess and the fin, increased the heat radiating area of casing bottom surface to reach good radiating effect.

The utility model discloses rational in infrastructure, design benefit not only has good protecting effect, can unload the impact when lithium cell casing receives the striking to avoid the lithium cell to receive the damage, on the other hand has also strengthened the heat dispersion of casing, easily uses widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a point a of the present invention.

Fig. 3 is a top view of the housing of the present invention.

Reference numbers in the figures: the anti-collision device comprises a shell 1, a top cover 2, an adjusting column 3, a cushion pad 4, an anti-collision plate 5, a fixing plate 6, a connecting plate 7, a fixing hole 8, a bottom plate 9, a heat radiating fin 10, a mounting plate 11, a rubber support 12, a screw 13, a connecting frame 14, a clamping hole 15, a fixing ring 16, a receiving hole 17, an adjusting hole 18, a spring clamping block 19, a connecting groove 20 and a fixing hole 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a lithium battery pack shell with a protection function comprises a shell 1, four anti-collision devices, a top cover 2 and a mounting plate 11, wherein the four anti-collision devices are respectively fixed on the outer walls of four sides of the shell 1, each anti-collision device comprises a fixing plate 6 and an anti-collision plate 5, one side of each fixing plate 6 is detachably connected with the outer wall of the shell 1, the other side of each fixing plate 6 is fixedly connected with the anti-collision plates 5 through a plurality of first springs, cushion pads 4 are fixed on the outer walls of the other sides of the four anti-collision plates 5, the cushion pads 4 are made of rubber, when the shell 1 is impacted, firstly, the cushion pads 4 can unload a part of force, and then the first springs can further unload the rest force, so that the impact force on the lithium battery pack in the shell 1 is reduced.

Connecting groove 20 has all been seted up on four sides outer wall of casing 1, one side that crashproof board 5 was kept away from to four fixed plates 6 is fixed with connecting plate 7, connecting plate 7 and connecting groove 20 are T shape structure, and the inside at connecting groove 20 of connecting plate 7 joint, equal threaded connection has screw 13 on four sides inner wall of casing 1, screw 13's one end extends to connecting plate 7's inside and connecting plate 7 fixed connection, the convenience is carried out the dismouting to buffer stop, the equipment degree of difficulty to buffer stop has been reduced.

The mounting panel 11 is located casing 1's inside, and the bottom surface of mounting panel 11 is fixed with a plurality of rubber support 12, and the bottom of a plurality of rubber support 12 all with casing 1's bottom inner wall fixed connection, rubber support 12 have better elasticity, can play absorbing effect, consequently also can slow down the impact that lithium cell group received at the car in-process of traveling.

The top of the shell 1 is fixed with a connecting frame 14, both sides of the connecting frame 14 are provided with clamping holes 15, the top cover 2 is positioned at the top of the shell 1, the top cover 2 is covered outside the connecting frame 14, both side inner walls of the top cover 2 are provided with accommodating holes 17, both insides of the two accommodating holes 17 are provided with adjusting columns 3, one ends of the two adjusting columns 3 respectively extend to the insides of the two clamping holes 15, both side outer walls of the top cover 2 are provided with adjusting holes 18, one ends of the two adjusting columns 3 respectively extend to the insides of the two adjusting holes 18, the outsides of the adjusting columns 3 are fixed with spring clamping blocks 19, the spring clamping blocks 19 are positioned inside the accommodating holes 17, the outsides of the adjusting columns 3 are sleeved with second springs, the second springs are positioned between the spring clamping blocks 19 and one side wall of the accommodating holes 17, one ends of the adjusting columns 3 positioned inside the clamping holes 15 are of right-angled triangle structures, the hypotenuses, the other end of adjusting post 3 is fixed with solid fixed ring 16, when top cap 2 need be opened, hold two solid fixed ring 16 simultaneously and extract two outside of adjusting post 3 to two card holes 15, then just can take off the top cap from casing 1's top, when closing top cap 2, because the one end that adjusts post 3 is located card hole 15 inside is the right angled triangle structure, consequently can directly cover top cap 2 in the outside of splice frame 14 to make things convenient for the dismouting of top cap 2.

The bottom of the shell 1 is provided with a groove, the top of the groove is fixed with a plurality of radiating fins 10, and through the matching between the groove and the radiating fins 10, the radiating area of the bottom surface of the shell 1 is increased, so that a good radiating effect is achieved.

The bottom of four sides of casing 1 all is fixed with a plurality of bottom plates 9, has all seted up fixed orifices 22 on a plurality of bottom plates 9, can pass fixed orifices 22 through the screw and fix bottom plate and automobile body together to conveniently fix the inside at the automobile body with shell 1.

The working principle is as follows: when the shell 1 is impacted, firstly, the buffer cushion 4 absorbs and unloads a part of impact force, then the impact force is transmitted to the first spring, the second spring further absorbs and unloads the impact force, so that the impact force of the lithium battery in the shell 1 is reduced, and the lithium battery in the shell 1 is further prevented from being damaged, the rubber support 12 has better elasticity and can play a role in shock absorption, therefore, the impact of the lithium battery in the driving process of a vehicle can be relieved, when the top cover 2 needs to be opened, the two fixing rings 16 are pulled simultaneously to pull out the two adjusting columns 3 to the outside of the two clamping holes 15, then the top cover can be taken down from the top of the shell 1, when the top cover 2 is closed, because one end of the adjusting column 3 in the clamping holes 15 is in a right-angled triangle structure, the top cover 2 can be directly covered on the outside of the connecting frame 14, the adjusting column is contracted firstly after being pressed by the top cover 1, and is clamped into the clamping hole 15, so that the top cover 2 is fixed at the top of the shell 1.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lithium battery pack shell with a protection function comprises a shell (1), four anti-collision devices, a top cover (2) and a mounting plate (11), and is characterized in that the four anti-collision devices are respectively fixed on the outer walls of four sides of the shell (1), each anti-collision device comprises a fixing plate (6) and an anti-collision plate (5), one side of each fixing plate (6) is detachably connected with the outer wall of the shell (1), the other side of each fixing plate (6) is fixedly connected with the anti-collision plates (5) through a plurality of first springs, the mounting plate (11) is located inside the shell (1), a plurality of rubber supports (12) are fixed on the bottom surface of the mounting plate (11), the bottoms of the rubber supports (12) are fixedly connected with the inner wall of the bottom of the shell (1), a connecting frame (14) is fixed on the top of the shell (1), clamping holes (15) are formed in two sides of the connecting frame (14), top cap (2) are located the top of casing (1), and top cap (2) cover establishes the outside at connection frame (14), all seted up on the both sides inner wall of top cap (2) and accomodate hole (17), two insides of accomodating hole (17) all are equipped with regulation post (3), and the one end of two regulation posts (3) extends to the inside in two card holes (15) respectively, regulation hole (18) have all been seted up on the both sides outer wall of top cap (2), and the one end of two regulation posts (3) extends to the inside in two regulation holes (18) respectively.

2. The lithium battery pack shell with the protection function according to claim 1, wherein a spring clamping block (19) is fixed on the outside of the adjusting column (3), the spring clamping block (19) is located inside the accommodating hole (17), a second spring is sleeved on the outside of the adjusting column (3) and located between the spring clamping block (19) and one side wall of the accommodating hole (17), one end of the adjusting column (3) located inside the clamping hole (15) is in a right-angled triangle structure, and a fixing ring (16) is fixed on the other end of the adjusting column (3).

3. The lithium battery pack shell with the protection function according to claim 1, wherein the four outer walls of the shell (1) are respectively provided with a connecting groove (20), the side of the four fixing plates (6) far away from the anti-collision plate (5) is fixed with a connecting plate (7), the connecting plate (7) and the connecting groove (20) are both in a T-shaped structure, and the connecting plate (7) is clamped inside the connecting groove (20).

4. The lithium battery pack shell with the protection function according to claim 1, wherein screws (13) are screwed on the inner walls of the four sides of the shell (1), and one ends of the screws (13) extend to the inside of the connecting plates (7) to be fixedly connected with the connecting plates (7).

5. The lithium battery pack shell with the protection function according to claim 1, wherein a groove is formed at the bottom of the shell (1), and a plurality of cooling fins (10) are fixed at the top of the groove.

6. The lithium battery pack shell with the protection function according to claim 1, wherein a plurality of bottom plates (9) are fixed to the bottoms of four sides of the shell (1), and fixing holes (22) are formed in the plurality of bottom plates (9).

7. The lithium battery pack shell with the protection function according to claim 1, wherein the other side outer walls of the four anti-collision plates (5) are respectively fixed with a buffer pad (4), and the buffer pads (4) are made of rubber.