Buffer type battery pack shell and buffer type electric vehicle storage battery

Abstract

The utility model provides a buffering type battery pack shell and a buffering type electric vehicle storage battery, and relates to the field of electric vehicle storage batteries, the buffering type battery pack shell comprises an outer shell, the main body of the outer shell is of a hollow tubular structure, the inner side of the outer shell is fixedly connected with two battery cell frames, the two battery cell frames are oppositely arranged, and the battery cell frames are arranged in parallel. According to the electric vehicle, the problems that in the prior art, due to the fact that an effective buffering connection structure is lacked, when the electric vehicle is bumpy, open circuit occurs between the battery cells easily due to dislocation of the battery cells, and use of the electric vehicle can be affected are solved, the reinforcing plate fixedly connected in the bottom plate is arranged, and the bottom plate is installed on the bottom end face of the outer shell; according to the base plate, the whole outer shell can be reinforced, so that when the base plate is assembled to the base plate of the outer shell for combination, the whole outer shell can be reinforced, and good supporting operation can be achieved after the battery cell assembly is assembled.

Description

Technical Field

[0001] The utility model belongs to the field of electric vehicle batteries, and particularly relates to a buffer type battery pack housing and a buffer type electric vehicle battery. Background Technique

[0002] An electric bicycle refers to a vehicle that uses a storage battery as an auxiliary energy source and is equipped with a motor, a controller, a storage battery, a handlebar, a brake handle and other control components and a display instrument system on the basis of an ordinary bicycle. The battery (i.e., the storage battery) is an important component that provides energy in the electric vehicle;

[0003] When the existing battery and battery pack housing are in use, due to the lack of an effective buffer connection structure, after the battery cells are installed, if they are jolted, it is easy for the battery cells to be misaligned, resulting in an open circuit between the battery cells, which will affect the use of the electric vehicle.

[0004] Therefore, in view of the deficiencies of the above solutions in actual production and implementation, they are corrected and improved. At the same time, in the spirit of pursuing excellence and with the assistance of professional knowledge and experience, and after various ingenious ideas and tests, the present utility model is created. Specifically, a buffer type battery pack housing and a buffer type electric vehicle battery are provided to solve the problem that in the existing technology, due to the lack of an effective buffer connection structure, after the battery cells are installed, if they are jolted, it is easy for the battery cells to be misaligned, resulting in an open circuit between the battery cells, which will affect the use of the electric vehicle. Content of the Utility Model

[0005] The utility model provides a buffer type battery pack housing and a buffer type electric vehicle battery, which solve the problem that in the existing technology, due to the lack of an effective buffer connection structure, after the battery cells are installed, if they are jolted, it is easy for the battery cells to be misaligned, resulting in an open circuit between the battery cells, which will affect the use of the electric vehicle.

[0006] The technical solution of the utility model is realized as follows. The buffer type battery pack housing includes an outer housing. The main body of the outer housing is a hollow tubular structure. An inner battery cell holder is fixedly connected to the inner side of the outer housing. There are two battery cell holders in total, and the two battery cell holders are arranged oppositely. A bottom plate is also fixedly connected to the bottom surface of the outer housing. The main body of the bottom plate is a rectangular plate structure, and the bottom plate is installed on the bottom surface of the outer housing through bolts and is used to close the bottom opening of the outer housing. A reinforcing plate is fixedly connected to the inside of the bottom plate. A guide post is fixedly connected to the outside of the battery cell holder. A rubber pad is sleeved on the outside of the guide post. A through hole is opened in the rubber pad, and the guide post is connected to the bottom plate:

[0007] As a preferred embodiment, insertion blocks are fixedly connected in a linear array on the bottom end surface of the rubber pad. The insertion blocks protrude from the rubber pad, and the insertion blocks and the rubber pad together form a buffer and earthquake-resistant structure. The insertion blocks match the reinforcement plates arranged in the bottom plate and are inserted into the inside thereof.

[0008] As a preferred embodiment, a cover plate is installed at the top end of the outer shell. The cover plate and the bottom plate are arranged oppositely, and the cover plate is used to close the top opening of the outer shell. A connecting plate is fixedly connected to the top end surface of the cover plate, and the connecting plate is perpendicular to the top end surface of the cover plate.

[0009] As a preferred embodiment, a discharge port and an interface are integrated in the cover plate, and the discharge port and the interface are electrically connected to the battery cell assembly arranged in the battery cell rack.

[0010] As a preferred embodiment, a rotating shaft is rotatably connected to the inner side of the connecting plate, and there are two rotating shafts in total. Grips are also fixedly connected to the outer sides of the two rotating shafts.

[0011] As a preferred embodiment, a buffer type electric vehicle battery includes a plurality of battery cell assemblies. Each battery cell assembly is arranged in the above-mentioned buffer type battery pack housing. The battery cell assemblies are arranged between two battery cell racks, and the ends of the battery cell assemblies are inserted into the slots opened in the battery cell racks.

[0012] After adopting the above technical solution, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, by providing the reinforcement plates fixedly connected to the bottom plate, when the bottom plate is installed on the bottom end surface of the outer shell, the overall reinforcement operation of the outer shell can be carried out, so that when the bottom plate is assembled with the bottom plate of the outer shell, the overall reinforcement operation of the outer shell can be carried out, enabling it to play a good supporting role after the battery cell assembly is assembled.

[0014] 2. In the present utility model, by fixedly connecting the battery cell rack and the guide posts inside the outer shell, when the battery cell assembly is assembled inside the outer shell, the arrangement of the guide posts and the battery cell rack can be used to ensure that the battery cell assembly will not directly deform and become loose when being impacted, ensuring that the batteries can be normally connected to perform corresponding charging and discharging operations. Description of the Drawings

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 Front side view structural schematic diagram of the battery and the housing of the present invention after disassembly;

[0017] Figure 2 Combined structural schematic diagram of the battery and the housing of the present invention;

[0018] Figure 3 Combined structural schematic diagram of the bottom plate and the reinforcement plate of the battery and the housing of the present invention;

[0019] Figure 4 Combined structural schematic diagram of the cover plate and the connecting plate of the battery and the housing of the present invention;

[0020] Figure 5 Top view structural schematic diagram of the battery and the housing of the present invention;

[0021] Figure 6 Structural schematic diagram of the battery cell holder of the battery and the housing of the present invention;

[0022] Figure 7 Structural schematic diagram of the rubber pad of the present invention;

[0023] In the figure, 1, outer housing; 2, battery cell holder; 3, battery cell assembly; 4, guide post; 5, cover plate; 6, connecting plate; 7, rotating shaft; 8, grip; 9, discharge port; 10, interface; 11, bottom plate; 12, reinforcement plate; 13, rubber pad; 14, through hole; 15, insertion block. Detailed implementation manners

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0025] Such as Figures 1-7As shown in the figure, the buffer-type battery pack housing and the buffer-type electric vehicle battery include: an outer housing 1. The main body of the outer housing 1 is a hollow tubular structure inside. And a battery core holder 2 is fixedly connected to the inner side of the outer housing 1. And there are two battery core holders 2 in total. The two battery core holders 2 are arranged oppositely. And a bottom plate 11 is also fixedly connected to the bottom surface of the outer housing 1. The main body of the bottom plate 11 is a rectangular plate structure. And the bottom plate 11 is installed on the bottom surface of the outer housing 1 through bolts and is used to close the bottom opening of the outer housing 1. An reinforcing plate 12 is fixedly connected inside the bottom plate 11. A guide post 4 is fixedly connected to the outside of the battery core holder 2. The guide post 4 is thick at the top and thin at the bottom. A rubber pad 13 is sleeved on the outside of the guide post 4. A through hole 14 is opened inside the rubber pad 13. And the guide post 4 is connected to the bottom plate 11. The buffer-type electric vehicle battery includes a number of battery core components 3. Each battery core component 3 is arranged in the buffer-type battery pack housing. The battery core component 3 is arranged between the two battery core holders 2. The end of the battery core component 3 is inserted into the slot opened in the battery core holder 2.

[0026] Among them, plug blocks 15 are fixedly connected to the bottom surface of the rubber pad 13 in a linear array. The plug blocks 15 protrude from the rubber pad 13. And the plug blocks 15 and the rubber pad 13 together form a buffer and anti-seismic structure. The plug blocks 15 match the reinforcing plate 12 arranged in the bottom plate 11 and are inserted into its interior. A cover plate 5 is installed at the top of the outer housing 1. The cover plate 5 and the bottom plate 11 are arranged oppositely. And the cover plate 5 is used to close the top opening of the outer housing 1. A connecting plate 6 is fixedly connected to the top surface of the cover plate 5. The connecting plate 6 is perpendicular to the top surface of the cover plate 5.

[0027] Among them, a rotating shaft 7 is rotatably connected to the inner side of the connecting plate 6. And there are two rotating shafts 7 in total. Grips 8 are also fixedly connected to the outside of the two rotating shafts 7. A discharge port 9 and an interface 10 are integrated inside the cover plate 5. And the discharge port 9 and the interface 10 are electrically connected to the battery core components 3 arranged in the battery core holder 2.

[0028] When in use, when assembling the battery of the electric vehicle, several battery core components 3 can be inserted into the internal position of the slot opened in the battery core holder 2. And simultaneously, the battery core components 3 and the battery core holder 2 are inserted into the internal position of the outer housing 1. And the cover plate 5 and the bottom plate 11 are respectively assembled to the top and bottom of the outer housing 1 through bolts to close the outer housing 1.

[0029] And after the closing is completed, when it is necessary to hold the battery, the outer housing 1 and the whole battery can be quickly extracted by holding the grip 8 fixedly connected to the outside of the rotating shaft 7. And simultaneously, it can be carried onto the electric vehicle for quick positioning and installation. And after the positioning is completed, the power supply operation can be realized by connecting the wiring harness of the electric vehicle body to the discharge port 9 integrated in the cover plate 5.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the communication inside two elements. It can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A buffer type battery pack housing, characterized in that: The invention comprises an outer shell (1), wherein the main body of the outer shell (1) is a tubular structure with a hollow interior, and a battery frame (2) is fixedly connected to the inner side of the outer shell (1), and the battery frame (2) is provided at two locations, and the two battery frames (2) are arranged opposite to each other, and a bottom plate (11) is also fixedly connected to the bottom end surface of the outer shell (1), and the main body of the bottom plate (11) is a rectangular plate structure, and the bottom plate (11) is installed on the bottom end surface of the outer shell (1) by bolts, and is used to close the bottom end opening of the outer shell (1), and a reinforcing plate (12) is fixedly connected to the inside of the bottom plate (11), and a guide column (4) is fixedly connected to the outer side of the battery frame (2), and a rubber pad (13) is sleeved on the outer side of the guide column (4), and a through hole (14) is opened inside the rubber pad (13), and the guide column (4) is connected to the bottom plate (11).

2. The buffer type battery pack housing according to claim 1, characterized in that: Insert blocks (15) are fixedly connected to the bottom end surface of the rubber pad (13) in a linear array. The insert blocks (15) are structures protruding from the rubber pad (13), and the insert blocks (15) and the rubber pad (13) together form a buffering and anti-seismic structure. The insert blocks (15) match the reinforcing plate (12) arranged in the bottom plate (11) and are inserted into the inside thereof.

3. The buffer type battery pack housing according to claim 1, characterized in that: A cover plate (5) is installed at the top end of the outer shell (1), the cover plate (5) and the bottom plate (11) are arranged opposite to each other, and the cover plate (5) is used to close the top end opening of the outer shell (1), and a connecting plate (6) is fixedly connected to the top end surface of the cover plate (5), and the connecting plate (6) and the top end surface of the cover plate (5) are arranged vertically.

4. The buffer type battery pack housing according to claim 3, characterized in that: The inner side of the connecting plate (6) is rotatably connected to a rotating shaft (7), and the rotating shaft (7) is provided at two locations. The outer sides of the two rotating shafts (7) are also fixedly connected to handles (8).

5. The buffer type battery pack housing according to claim 3, characterized in that: The cover plate (5) has a discharge port (9) and an interface (10) integrated therein, and the discharge port (9) and the interface (10) are electrically connected to a cell assembly (3) arranged in a cell frame (2).

6. A buffered electric vehicle battery, comprising a plurality of battery cell assemblies (3), characterized in that: Each of the battery cell assemblies (3) is arranged in a buffer-type battery pack housing as described in any one of claims 1 to 5, and the battery cell assembly (3) is arranged between two battery cell frames (2), and the end of the battery cell assembly (3) is inserted into a slot opened in the battery cell frame (2).

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