Sealing structure for battery box of electric vehicle

Abstract

The utility model relates to the technical field of battery boxes, in particular to an electric automobile battery box sealing structure which comprises a box body, a box cover is sleeved on the box body, one side of the box body is fixedly connected with a support, an interface is arranged on the surface of the box body, a positioning device is arranged on the surface of the box body, and the positioning device comprises a sliding groove. A sliding groove is formed in the surface of the box body, a sliding rod is slidably connected to the inner wall of the sliding groove, a limiting frame is fixedly connected to one side of the sliding rod, a plurality of clamping grooves are formed in the surface of the box cover, a protection device is arranged on the surface of the box body, and the multiple clamping grooves are arranged at equal intervals. The longitudinal section of the clamping groove is in an L shape, and a threaded hole is formed in the surface of the limiting frame. According to the utility model, through the positioning device, the sealing operation of the battery box is simplified, the operation of a user is facilitated, the use of tools is reduced, the maintenance difficulty of equipment is reduced, and the equipment is convenient to popularize and use.

Description

Technical Field

[0001] The utility model relates to the technical field of battery boxes, in particular to a sealing structure of a battery box of an electric vehicle. Background Art

[0002] Electric vehicles (BEV) refer to vehicles that use onboard power as power, use motors to drive wheels, and comply with various requirements of road traffic and safety regulations. As the impact on the environment is relatively small compared to traditional vehicles, its prospects are widely optimistic. The battery box is a group of batteries composed of several single cells, boxes, battery management systems and related installation structures (equipment), etc. It has a standard battery box structure, battery box monitoring equipment, battery box connectors, battery box environmental control equipment, etc. With the development of society, electric vehicles are often equipped with battery boxes for power supply.

[0003] Prior art includes an invention patent with publication number CN103066224B, which discloses a sealing structure for an electric vehicle battery box, wherein the peripheral side wall of the box cover is composed of a vertical section and a horizontal section, an anti-collision ring surrounds and is fixed on the outside of the box body, and a sealing strip is provided above the anti-collision ring, the bottom of the sealing strip is pressed between the horizontal section of the peripheral side wall of the box cover and the anti-collision ring, the middle part of the sealing strip is located between the vertical section of the peripheral side wall of the box cover and the peripheral side wall of the box body, and one side of the middle part of the sealing strip is tightly attached to the peripheral side wall of the box body, and at least one circle of side sealing lip is integrally formed on the other side of the middle part of the sealing strip. The present invention can protect the power battery in the battery box from damage, has the characteristics of simple structure, convenient and quick disassembly and assembly, high strength, good rigidity, waterproof and dustproof, etc., and is conducive to the promotion and application of electric vehicles.

[0004] The inventors have found in their daily work that most battery boxes are currently installed and sealed using multiple bolts, have numerous parts, and require tools during installation and maintenance, which makes the operation cumbersome, increases the user's workload, is not conducive to the normal use of the equipment, and is not convenient for popular operation. Improvements and optimizations are needed. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings in the prior art that most battery boxes are installed and sealed by multiple bolts, have numerous parts, require tools during installation and maintenance, resulting in cumbersome operation, increased workload for users, and not conducive to normal use of the equipment and inconvenient for popular operation, and to propose a sealing structure for the battery box of an electric vehicle.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sealing structure of an electric vehicle battery box, comprising a box body, a box cover is sleeved on the box body, a bracket is fixedly connected to one side of the box body, an interface is arranged on the surface of the box body, a positioning device is arranged on the surface of the box body, the positioning device comprises a slide groove, the slide groove is opened on the surface of the box body, a slide rod is slidably connected to the inner wall of the slide groove, one side of the slide rod is fixedly connected to a limiting frame, a card slot is opened on the surface of the box cover, and a protective device is arranged on the surface of the box body. Through the positioning device, the sealing operation of the battery box is simplified, which is convenient for users to carry out operations, reduces the use of tools, reduces the difficulty of equipment maintenance, and facilitates the popularization and use of equipment.

[0007] Preferably, there are multiple card slots, the multiple card slots are arranged at equal intervals, and the longitudinal section of the card slot is L-shaped.

[0008] Preferably, a threaded hole is provided on the surface of the limit frame, and a bolt is threadedly connected to the inner wall of the threaded hole. The battery is installed in the box body, and then the box cover is put on the box body. Then the limit frame is inserted into the slot, and the limit frame is pulled to one side. The limit frame is then buckled on the box cover, and then the bolt is turned. The bolt is then tightened on the box cover to complete the assembly operation of the box cover.

[0009] Preferably, the bracket is L-shaped, and has reinforcing ribs on its surface.

[0010] Preferably, the protective device includes a sliding sleeve, which is slidably connected to the surface of the box body, and a protective sleeve is fixedly connected to the upper surface of the sliding sleeve. The protective device facilitates protection of the connection between the box cover and the box body, thereby improving the sealing effect of the equipment.

[0011] Preferably, a positioning block is fixedly connected to the surface of the box body, a spring is fixedly connected to the surface of the positioning block, one end of the spring away from the positioning block is fixedly connected to the surface of the sliding sleeve, the battery is installed in the box body, and then the box cover is put on the box body, and then the limit frame is inserted into the slot, the limit frame is pulled to one side, and then the limit frame is buckled on the box cover, and then the bolt is turned, and the bolt is then tightened on the box cover to complete the assembly operation of the box cover.

[0012] Preferably, a limiting groove is provided on the inner wall of the protective sleeve. After the box cover is installed, the spring pushes the sliding sleeve upward, and the sliding sleeve then drives the protective sleeve to slide upward. The protective sleeve is sleeved on the limiting frame, and the limiting frame and the bolt are then located in the limiting groove.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, the battery is installed into the box body, and then the box cover is put on the box body, and then the limit frame is inserted into the card slot, and the limit frame is pulled to one side, and then the limit frame is buckled on the box cover, and then the bolt is turned, and then the bolt is tightened on the box cover to complete the assembly operation of the box cover. Through the positioning device, the sealing operation of the battery box is simplified, which is convenient for users to carry out operations, reduces the use of tools, reduces the difficulty of equipment maintenance, and facilitates the popularization of equipment.

[0015] 2. In the utility model, after the box cover is installed, the spring pushes the sliding sleeve upward, and the sliding sleeve then drives the protective sleeve to slide upward. The protective sleeve is sleeved on the limit frame, and the limit frame and the bolt are then located in the limit groove. Through the protective device, it is convenient to protect the connection between the box cover and the box body, thereby improving the sealing effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a sealing structure of an electric vehicle battery box;

[0017] Figure 2 The utility model provides a side view structural schematic diagram of a sealing structure of a battery box of an electric vehicle;

[0018] Figure 3 The utility model provides a schematic diagram of the exploded structure of a positioning device in the sealing structure of an electric vehicle battery box;

[0019] Figure 4 The utility model proposes a sealing structure for an electric vehicle battery box Figure 3 Schematic diagram of the structure at A in the middle;

[0020] Figure 5 The utility model provides a structural schematic diagram of a protective device in a sealing structure of a battery box of an electric vehicle.

[0021] Legend:

[0022] 1. Box body; 2. Box cover; 3. Bracket; 4. Positioning device; 41. Slide rod; 42. Slide groove; 43. Limiting frame; 44. Slot; 45. Threaded hole; 46. Bolt; 5. Protective device; 51. Positioning block; 52. Slide sleeve; 53. Protective sleeve; 54. Spring; 55. Limiting groove; 6. Interface. DETAILED DESCRIPTION

[0023] See also Figure 1-5The utility model provides a technical solution: a sealing structure of an electric vehicle battery box, comprising a box body 1, a box cover 2 is sleeved on the box body 1, a bracket 3 is fixedly connected to one side of the box body 1, an interface 6 is arranged on the surface of the box body 1, a positioning device 4 is arranged on the surface of the box body 1, the positioning device 4 comprises a slide groove 42, the slide groove 42 is opened on the surface of the box body 1, a slide rod 41 is slidably connected to the inner wall of the slide groove 42, a limited position frame 43 is fixedly connected to one side of the slide rod 41, a card groove 44 is opened on the surface of the box cover 2, and a protective device 5 is arranged on the surface of the box body 1. Through the positioning device 4, the sealing operation of the battery box is simplified, which is convenient for users to carry out operations, reduce the use of tools, reduce the maintenance difficulty of the equipment, and facilitate the popularization of the equipment. Through the protective device 5, it is convenient to protect the connection between the box cover 2 and the box body 1, and improve the sealing effect of the equipment.

[0024] Specifically, there are a plurality of card slots 44 , and the plurality of card slots 44 are arranged at equal intervals, and a longitudinal section of the card slot 44 is L-shaped.

[0025] In this embodiment: a threaded hole 45 is provided on the surface of the limit frame 43, and a bolt 46 is threadedly connected to the inner wall of the threaded hole 45. The battery is installed in the box body 1, and then the box cover 2 is put on the box body 1. Then the limit frame 43 is inserted into the card slot 44, and the limit frame 43 is pulled to one side. The limit frame 43 is then buckled on the box cover 2, and then the bolt 46 is rotated. The bolt 46 is then pressed against the box cover 2 to complete the assembly operation of the box cover 2.

[0026] Specifically, the bracket 3 is L-shaped, and a reinforcing rib is provided on the surface of the bracket 3 .

[0027] Specifically, the protective device 5 includes a sliding sleeve 52, which is slidably connected to the surface of the box body 1, and a protective sleeve 53 is fixedly connected to the upper surface of the sliding sleeve 52. The protective device 5 is convenient for protecting the connection between the box cover 2 and the box body 1, thereby improving the sealing effect of the equipment.

[0028] Specifically, a positioning block 51 is fixedly connected to the surface of the box body 1, and a spring 54 is fixedly connected to the surface of the positioning block 51. One end of the spring 54 away from the positioning block 51 is fixedly connected to the surface of the sliding sleeve 52. The battery is installed in the box body 1, and then the box cover 2 is put on the box body 1. Then the limit frame 43 is inserted into the slot 44, and the limit frame 43 is pulled to one side. The limit frame 43 is then buckled on the box cover 2, and then the bolt 46 is rotated. The bolt 46 is then pressed against the box cover 2 to complete the assembly operation of the box cover 2.

[0029] In this embodiment: a limiting groove 55 is provided on the inner wall of the protective sleeve 53. After the box cover 2 is installed, the spring 54 pushes the sliding sleeve 52 upward, and the sliding sleeve 52 then drives the protective sleeve 53 to slide upward. The protective sleeve 53 is sleeved on the limiting frame 43, and the limiting frame 43 and the bolt 46 are then located in the limiting groove 55.

[0030] Working principle: install the battery into the box body 1, then put the box cover 2 on the box body 1, then insert the limit frame 43 into the card slot 44, pull the limit frame 43 to one side, and then the limit frame 43 is buckled on the box cover 2, then turn the bolt 46, and the bolt 46 is then tightened on the box cover 2 to complete the assembly operation of the box cover 2. Through the positioning device 4, the sealing operation of the battery box is simplified, which is convenient for users to carry out operations, reduces the use of tools, reduces the difficulty of equipment maintenance, and facilitates the popularization of equipment. After the box cover 2 is installed, the spring 54 pushes the sliding sleeve 52 upward, and the sliding sleeve 52 then drives the protective sleeve 53 to slide upward, and the protective sleeve 53 is sleeved on the limit frame 43, and the limit frame 43 and the bolt 46 are immediately located in the limit groove 55. Through the protective device 5, it is convenient to protect the connection between the box cover 2 and the box body 1, thereby improving the sealing effect of the equipment.

Claims

1. A sealing structure for an electric vehicle battery box, comprising a box body (1), a box cover (2) sleeved on the box body (1), a bracket (3) fixedly connected to one side of the box body (1), and an interface (6) provided on the surface of the box body (1), characterized in that: The surface of the box body (1) is provided with a positioning device (4), the positioning device (4) comprises a slide groove (42), the slide groove (42) is opened on the surface of the box body (1), the inner wall of the slide groove (42) is slidably connected with a slide rod (41), one side of the slide rod (41) is fixedly connected with a limiting frame (43), the surface of the box cover (2) is provided with a card slot (44), and the surface of the box body (1) is provided with a protective device (5).

2. The electric vehicle battery box sealing structure according to claim 1, characterized in that: There are a plurality of the card slots (44), the plurality of card slots (44) are arranged at equal intervals, and the longitudinal section of the card slot (44) is L-shaped.

3. The electric vehicle battery box sealing structure according to claim 1, characterized in that: A threaded hole (45) is provided on the surface of the limiting frame (43), and a bolt (46) is threadedly connected to the inner wall of the threaded hole (45).

4. The electric vehicle battery box sealing structure according to claim 1, characterized in that: The bracket (3) is L-shaped, and the surface of the bracket (3) is provided with reinforcing ribs.

5. The electric vehicle battery box sealing structure according to claim 1, characterized in that: The protective device (5) comprises a sliding sleeve (52), the sliding sleeve (52) is slidably connected to the surface of the box body (1), and the upper surface of the sliding sleeve (52) is fixedly connected to a protective sleeve (53).

6. The electric vehicle battery box sealing structure according to claim 5, characterized in that: A positioning block (51) is fixedly connected to the surface of the box body (1), a spring (54) is fixedly connected to the surface of the positioning block (51), and one end of the spring (54) away from the positioning block (51) is fixedly connected to the surface of the sliding sleeve (52).

7. The electric vehicle battery box sealing structure according to claim 5, characterized in that: The inner wall of the protective sleeve (53) is provided with a limiting groove (55).

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