Rapid dismounting and mounting protective cover for battery pack of new energy automobile

Abstract

The utility model discloses a new energy automobile battery pack quick disassembly and assembly protective cover which comprises an upper sealing cover and a lower sealing cover, and a plurality of battery modules are mounted between the upper sealing cover and the lower sealing cover; sliding assemblies are arranged on the two sides of the upper sealing cover and the lower sealing cover, fixing rods and fixing blocks are arranged at the two ends of the upper sealing cover and the two ends of the lower sealing cover respectively, and the fixing rods and the fixing blocks are fixed in a matched mode. According to the utility model, the sliding assembly is arranged between the upper sealing cover and the lower sealing cover, so that the upper part can slide to expose the internal battery pack for maintenance; a fixed shaft is matched with a rotary sleeve rod, so that the upper sealing cover can be lifted and moved, the internal view field is expanded, and the operation of maintenance personnel is more convenient; fixing rods and fixing blocks are arranged at the two ends of the upper sealing cover and the lower sealing cover, locking plates in the fixing rods are pressed in the connecting grooves, locking of the upper sealing cover and the lower sealing cover is achieved, and the internal sealing performance is guaranteed.

Description

Technical Field

[0001] The utility model relates to a quick disassembly and assembly protective cover for a battery pack of a new energy vehicle. Background Art

[0002] With the rapid development of science and technology, new energy vehicles have gone from being unpopular in the beginning to being very popular now. They have experienced many technological changes. Today, new energy vehicles are more suitable for the development of urban transportation. They are the best choice for short-distance travel and commuting to work. Batteries are one of the important components for providing energy. In new energy vehicles, batteries include storage batteries and fuel cells. Storage batteries are suitable for pure electric vehicles, and fuel cells are dedicated to fuel cell electric vehicles. In new energy vehicles, most of them are composed of multiple batteries stacked in series to form a battery pack. The battery pack provides electrical energy, which is converted into mechanical energy through power devices such as electric motors to drive the wheels.

[0003] The outer shell of a new energy vehicle battery pack is usually a container that holds and protects the battery electrodes, electrolytes and diaphragms. However, the battery pack of a new energy vehicle will experience wear and tear during long-term use, and the energy storage value will gradually fail to meet the original standard, resulting in a weaker endurance of the new energy vehicle. After this happens, the battery pack usually needs to be maintained and repaired frequently, and the battery pack needs to be disassembled to check the internal condition. However, the external protective cover of the battery pack is difficult to disassemble to ensure internal stability, which can easily affect the health of the internal battery in some emergency situations and cause greater losses. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a quick disassembly and assembly protective cover for a battery pack of a new energy vehicle.

[0005] Based on the technical problems existing in the background technology, the utility model proposes a new energy vehicle battery pack quick disassembly and assembly protective cover, including an upper sealing cover and a lower sealing cover, wherein a plurality of battery modules are installed between the upper sealing cover and the lower sealing cover;

[0006] Sliding components are provided on both sides of the upper sealing cover and the lower sealing cover, and fixed rods and fixed blocks are provided at both ends respectively, and the fixed rods are fixed in cooperation with the fixed blocks;

[0007] The sliding assembly includes a fixed shaft, which is installed on both sides of the upper sealing cover. A rotating sleeve rod is sleeved on the fixed shaft, and the other end of the rotating sleeve rod is sleeved on the sliding shaft. The sliding shaft is installed in a slide rail, and the slide rail is fixed on both sides of the lower sealing cover. A movable through groove is opened in the middle of the slide rail, and sliding grooves are also provided on both sides of the movable through groove. Both ends of the sliding shaft roll in the sliding grooves.

[0008] Preferably, the fixed rod includes a rotating shaft, a fixed connecting rod is sleeved on the outside of the rotating shaft, the other end of the fixed connecting rod is bent to have a slot, a locking assembly is provided in the slot, the fixed block is L-shaped as a whole, and the bent part forms a connecting groove with the side of the lower sealing cover, and the connecting groove is docked with the slot.

[0009] Preferably, the locking assembly includes a locking plate, which is placed in the slot, and the slot has accommodating grooves at the bottom and sides. A plurality of locking springs are connected to the accommodating grooves at the bottom, and the other ends of the plurality of locking springs are connected to the bottom of the locking plate. A pressing column is connected to one side of the top of the locking plate, and the other end of the pressing column passes through one side of the fixed connecting rod.

[0010] Preferably, the size of the accommodating groove corresponds to the size of the locking plate, and the outer diameter of the locking spring is smaller than the width of the locking plate, the width of the slot is smaller than the width of the connecting groove, and the distance between the rotating axis and the fixed block should at least meet the requirement that the slot is exactly docked with the connecting groove.

[0011] Preferably, sealing grooves are provided on both sides of the bottom of the upper sealing cover, and sealing strips are provided on both sides of the top of the lower sealing cover corresponding to the sealing grooves, and the length of the sealing grooves is at least greater than the length of the sealing strips.

[0012] Preferably, the fixed shaft is installed on both sides of the upper sealing cover, leaving a distance from the edges of the upper sealing cover at both ends, and the distance is smaller than the length of the rotating sleeve rod, that is, when the sliding shaft slides to the top end, the upper sealing cover is completely pressed onto the lower sealing cover.

[0013] Compared with the prior art, the utility model proposes a new energy vehicle battery pack quick disassembly and assembly protective cover adopting the above technical solution, achieving the following technical effects:

[0014] 1. The utility model provides a sliding assembly between the upper sealing cover and the lower sealing cover, so that the upper sealing cover can slide over the lower sealing cover to expose the internal battery pack for easy maintenance;

[0015] 2. The utility model can lift and move the upper sealing cover through the cooperation of the fixed shaft and the rotating sleeve rod, thereby expanding the internal field of view and making it easier for maintenance personnel to operate;

[0016] 3. The utility model provides fixing rods and fixing blocks at both ends of the upper and lower sealing covers, and uses the locking plates in the fixing rods to press tightly into the connecting grooves, thereby locking the upper and lower sealing covers and ensuring internal sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 The overall use process structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 3 The overall use process structure of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 4 It is a partial structural schematic diagram of the sliding assembly of the utility model;

[0021] Figure 5 This is a schematic diagram of the fixed shaft and the rotating sleeve rod structure of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the fixing rod and the fixing block of the utility model;

[0023] Figure 7 This is a schematic diagram of the fixing rod structure of the utility model.

[0024] In the figure: 1. upper sealing cover; 11. sealing groove; 2. lower sealing cover; 21. sealing strip; 3. battery module; 4. sliding assembly; 41. fixed shaft; 42. rotating sleeve rod; 43. sliding shaft; 44. slide rail; 45. movable through groove; 46. sliding groove; 5. fixed rod; 51. rotating shaft; 52. fixed connecting rod; 53. card slot; 531. accommodating groove; 54. locking assembly; 541. locking plate; 542. locking spring; 543. pressing column; 6. fixed block; 61. connecting groove. DETAILED DESCRIPTION

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] Reference Figure 1-7 The utility model provides a new energy vehicle battery pack quick disassembly and assembly protective cover, comprising an upper sealing cover 1 and a lower sealing cover 2, wherein a plurality of battery modules 3 are installed between the upper sealing cover 1 and the lower sealing cover 2;

[0028] Specifically, the upper sealing cover 1 and the lower sealing cover 2 are provided with sliding components 4 on both sides, and the two ends are respectively provided with a fixing rod 5 and a fixing block 6, and the fixing rod 5 and the fixing block 6 are fixed in cooperation;

[0029] In this embodiment, the upper sealing cover 1 and the lower sealing cover 2 can seal and protect the internal battery module 3, thereby reducing the impact of the external environment on the battery module 3.

[0030] Reference Figure 4-5 The sliding assembly 4 includes a fixed shaft 41, which is installed on both sides of the upper sealing cover 1. A rotating sleeve rod 42 is sleeved on the fixed shaft 41. The other end of the rotating sleeve rod 42 is sleeved on the sliding shaft 43. The sliding shaft 43 is installed in a sliding rail 44. The sliding rail 44 is fixed on both sides of the lower sealing cover 2. A moving through groove 45 is opened in the middle of the sliding rail 44. Sliding grooves 46 are also provided on both sides of the moving through groove 45. Both ends of the sliding shaft 43 roll in the sliding grooves 46.

[0031] Specifically, the fixed rod 5 includes a rotating shaft 51, a fixed connecting rod 52 is sleeved on the outside of the rotating shaft 51, the other end of the fixed connecting rod 52 is bent to have a slot 53, a locking assembly 54 is provided in the slot 53, the fixed block 6 is L-shaped as a whole, and the bent part forms a connecting groove 61 with the side of the lower sealing cover 2, and the connecting groove 61 is docked with the slot 53.

[0032] In this embodiment, sliding components 4 are provided on both sides of the upper sealing cover 1 and the lower sealing cover 2. These components enable the sealing cover to slide conveniently along a certain track, thereby realizing quick disassembly and assembly. By installing a rotating sleeve rod 42 on the fixed shaft 41, and setting the other end of the rotating sleeve rod 42 on the sliding shaft 43, and then placing the sliding shaft 43 in the slide rail 44 for movement, the flexibility and sliding efficiency of the components are improved, so that the upper sealing cover 1 can be separated and connected with the lower sealing cover 2 more smoothly. The fixing rod 5 is configured with a rotating shaft 51 and a fixed connecting rod 52, which work together with the fixing block 6, so that the protective cover can be locked by rotating and snapping into the card slot 53, thereby realizing quick fixing or releasing of the protective cover.

[0033] Reference Figure 7 The locking assembly 54 includes a locking plate 541, which is placed in the card slot 53. The card slot 53 has a receiving groove 531 at the bottom and side. A plurality of locking springs 542 are connected to the bottom receiving groove 531. The other ends of the plurality of locking springs 542 are connected to the bottom of the locking plate 541. A pressing column 543 is connected to one side of the top of the locking plate 541. The other end of the pressing column 543 passes through one side of the fixed connecting rod 52.

[0034] Specifically, the size of the accommodating groove 531 corresponds to the size of the locking plate 541, and the outer diameter of the locking spring 542 is smaller than the width of the locking plate 541, the width of the card slot 53 is smaller than the width of the connecting groove 61, and the distance between the rotating shaft 51 and the fixed block 6 should at least meet the requirement that the card slot 53 is exactly docked with the connecting groove 61.

[0035] In this embodiment, the design of the locking assembly 54 makes the fixation more stable. When the pressing column 543 is pressed, the locking plate 541 can compress the locking spring 542 and release the connecting groove 61, so that the upper sealing cover 1 can be quickly unlocked and removed.

[0036] Reference Figure 1-3 Sealing grooves 11 are provided on both sides of the bottom of the upper sealing cover 1 , and sealing strips 21 are provided on both sides of the top of the lower sealing cover 2 corresponding to the sealing grooves 11 , and the length of the sealing grooves 11 is at least greater than the length of the sealing strips 21 .

[0037] Specifically, the fixed shaft 41 is installed on both sides of the upper sealing cover 1, leaving a distance from the edges of the upper sealing cover 1 at both ends, and the distance is smaller than the length of the rotating sleeve rod 42, that is, when the sliding shaft 43 slides to the top, the upper sealing cover 1 is completely pressed on the lower sealing cover 2.

[0038] In this embodiment, the cooperation between the sealing groove 11 and the sealing strip 21 can ensure the sealing performance between the two sealing covers, and prevent dust, water, etc. from entering the area of ​​the battery module 3. This type of setting simplifies the process of opening and closing the upper and lower sealing covers, so that the operator can disassemble and replace the battery module 3 in a shorter time, saving a lot of manpower time.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A quick disassembly and assembly protective cover for a new energy vehicle battery pack, characterized in that: It comprises an upper sealing cover (1) and a lower sealing cover (2), wherein a plurality of battery modules (3) are installed between the upper sealing cover (1) and the lower sealing cover (2); Sliding components (4) are provided on both sides of the upper sealing cover (1) and the lower sealing cover (2), and fixing rods (5) and fixing blocks (6) are provided at both ends respectively, and the fixing rods (5) and the fixing blocks (6) are fixed in cooperation with each other; The sliding assembly (4) comprises a fixed shaft (41), the fixed shaft (41) being mounted on both sides of the upper sealing cover (1), a rotating sleeve rod (42) being sleeved on the fixed shaft (41), the other end of the rotating sleeve rod (42) being sleeved on a sliding shaft (43), the sliding shaft (43) being mounted in a sliding rail (44), the sliding rail (44) being fixed on both sides of the lower sealing cover (2), a movable through groove (45) being provided in the middle of the sliding rail (44), sliding grooves (46) being further provided on both sides of the movable through groove (45), and both ends of the sliding shaft (43) rolling in the sliding grooves (46).

2. A new energy vehicle battery pack quick disassembly and assembly protective cover according to claim 1, characterized in that: The fixed rod (5) comprises a rotating shaft (51), the rotating shaft (51) is sleeved with a fixed connecting rod (52) on its outer side, the other end of the fixed connecting rod (52) is bent to form a clamping groove (53), a locking assembly (54) is provided in the clamping groove (53), the fixed block (6) is L-shaped as a whole, and the bent portion forms a connecting groove (61) with the side surface of the lower sealing cover (2), and the connecting groove (61) is butted with the clamping groove (53).

3. A new energy vehicle battery pack quick disassembly and assembly protective cover according to claim 2, characterized in that: The locking assembly (54) comprises a locking plate (541), wherein the locking plate (541) is placed in the card slot (53), and the bottom and side of the card slot (53) are provided with a receiving groove (531), and a plurality of locking springs (542) are connected in the receiving groove (531) at the bottom, and the other ends of the plurality of locking springs (542) are connected to the bottom of the locking plate (541), and a pressing column (543) is connected to one side of the top of the locking plate (541), and the other end of the pressing column (543) passes through one side of the fixed connecting rod (52).

4. A new energy vehicle battery pack quick disassembly and assembly protective cover according to claim 3, characterized in that: The size of the accommodating groove (531) corresponds to the size of the locking plate (541), the outer diameter of the locking spring (542) is smaller than the width of the locking plate (541), the width of the clamping groove (53) is smaller than the width of the connecting groove (61), and the distance between the rotating shaft (51) and the fixing block (6) should at least be sufficient for the clamping groove (53) to be exactly butted against the connecting groove (61).

5. The quick disassembly and assembly protective cover for a new energy vehicle battery pack according to claim 1, characterized in that: The upper sealing cover (1) is provided with sealing grooves (11) on both sides of the bottom, and the lower sealing cover (2) is provided with sealing strips (21) on both sides of the top corresponding to the sealing grooves (11), and the length of the sealing grooves (11) is at least greater than the length of the sealing strips (21).

6. The quick disassembly and assembly protective cover for a new energy vehicle battery pack according to claim 1, characterized in that: The fixed shaft (41) is mounted on both sides of the upper sealing cover (1) and has a distance from the edges of both ends of the upper sealing cover (1), and the distance is smaller than the length of the rotating sleeve (42), that is, when the sliding shaft (43) slides to the top end, the upper sealing cover (1) is completely pressed onto the lower sealing cover (2).

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