Sealing connection structure of battery shell of new energy vehicle

Abstract

The utility model relates to the field of connecting structures, in particular to a sealing connecting structure of a new energy vehicle battery shell, which comprises a lower tray and a sealing connecting module, the lower tray is sleeved with a detachable sealing connection module used for reinforcing sealing and connection. The upper cover body on the lower tray is connected with the upper cover body in an attached mode, then the sealing connection module is arranged outside the lower tray in a sleeved mode, the connecting position of the lower tray and the upper cover body is reinforced and connected in a sealed mode, and after the sealing connection module is used for a period of time, the sealing connection module is detached, and a U-shaped rubber sealing gasket on the inner side of the sealing connection module is taken down and replaced. By means of the detachable and replaceable connecting structure, a maintainer can easily detach the battery shell and quickly replace the U-shaped rubber sealing gasket, and therefore it is guaranteed that the sealing performance of the battery shell is always kept in a good state.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connecting structure, especially seal connecting structure of new energy vehicle battery case. BACKGROUND

[0002] New energy vehicle battery case refers to the shell structure for protecting and supporting new energy automobile battery pack, and the battery case is usually composed of an upper cover and a lower tray, and the connection between the two parts needs to ensure the sealing property, and the common connection mode includes adopting the design of bending and folding edge plus sealing pad, and the upper and lower box bodies are fully compacted and coupled with the sealing pad through fastening bolts, so that the dustproof and waterproof level of the battery box is ensured.

[0003] In the long-term use process of the existing seal connecting structure, the sealing pad may lose the original sealing property due to aging, wear or chemical corrosion, resulting in the sealing failure of the battery case, and if the seal connecting structure is inconvenient to disassemble and replace, it may cause the water entering the battery pack, the gas leakage in the battery pack and other problems, thereby affecting the vehicle performance and safety, and also may cause the electrolyte leakage, electric shock and other safety hazards.

[0004] Therefore, in view of the above problems that the existing seal connecting structure may lose the original sealing property due to aging, wear or chemical corrosion in the long-term use process, causing the water entering the battery pack, the gas leakage in the battery pack and other problems, thereby affecting the vehicle performance and safety, the seal connecting structure of the new energy vehicle battery case can be designed, and the dismountable and replaceable connecting structure is adopted to improve the practicability of the seal connecting structure. SUMMARY

[0005] In order to overcome the problems that the existing seal connecting structure may lose the original sealing property due to aging, wear or chemical corrosion in the long-term use process, causing the water entering the battery pack, the gas leakage in the battery pack and other problems, thereby affecting the vehicle performance and safety.

[0006] The technical scheme of the utility model is as follows: the seal connecting structure of the new energy vehicle battery case comprises a lower tray and a seal connecting module, the lower tray is externally sleeved with the seal connecting module which is dismountable and used for reinforcing the sealing and connection, the seal connecting module comprises a U-shaped clamping plate, the U-shaped clamping plate is horizontally symmetrically arranged, a U-shaped clamping groove is formed in the middle of the inner wall of the U-shaped clamping plate, a U-shaped rubber sealing pad is arranged on the inner side of the U-shaped clamping plate, a second U-shaped clamping plate is mounted on the outer side of the U-shaped rubber sealing pad, and the second U-shaped clamping plate drives the U-shaped rubber sealing pad to be positioned and connected along the U-shaped clamping groove and the U-shaped clamping plate.

[0007] Preferably, the upper cover body on the lower tray is connected therewith, then the sealing connection module is sleeved outside the lower tray, the connection between the lower tray and the upper cover body is reinforced and sealed, after the sealing connection module is used for a period of time, the sealing connection module is disassembled and the U-shaped rubber sealing gasket inside the sealing connection module is removed and replaced, so that the sealing effect of the sealing connection module is maintained.

[0008] Preferably, the upper cover body is arranged above the lower tray, and a back-shaped clamping plate is arranged at the upper end edge of the lower tray.

[0009] Preferably, a back-shaped clamping groove is arranged below the inner wall of the upper cover body, and the back-shaped clamping plate drives the lower tray to be connected with the upper cover body along the back-shaped clamping groove.

[0010] Preferably, a rectangular clamping groove is arranged on the outer part of the lower tray and the upper cover body.

[0011] Preferably, a connecting plate is arranged at each end of the U-shaped clamping plate, and a threaded stud is arranged at the middle part of each two groups of the connected connecting plates.

[0012] Preferably, a nut is sleeved outside each end of the threaded stud.

[0013] Preferably, a first U-shaped clamping plate is arranged at each end of the U-shaped rubber sealing gasket and connected with the U-shaped clamping plate, and the first U-shaped clamping plate drives the U-shaped clamping plate to be positioned and clamped with the lower tray and the upper cover body along the rectangular clamping groove.

[0014] The upper cover body on the lower tray is connected therewith, then the sealing connection module is sleeved outside the lower tray, the connection between the lower tray and the upper cover body is reinforced and sealed, after the sealing connection module is used for a period of time, the sealing connection module is disassembled and the U-shaped rubber sealing gasket inside the sealing connection module is removed and replaced, so that the sealing effect of the sealing connection module is maintained, through the detachable and replaceable connecting structure, the maintenance personnel can easily disassemble the battery shell, quickly replace the U-shaped rubber sealing gasket, so that the sealing performance of the battery shell is always kept in a good state, and the sealing strip can be always closely connected with the battery shell, so that the internal material of the battery is prevented from leaking or external material from entering, thereby ensuring the safe operation of the battery. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The overall structure schematic diagram of the sealing connection structure of the utility model is shown;

[0016] Figure 2 The upper cover body structure schematic diagram of the sealing connection structure of the utility model is shown;

[0017] Figure 3 The connecting plate structure schematic diagram of the sealing connection structure of the utility model is shown;

[0018] Figure 4 The utility model discloses a U-shaped rubber sealing gasket structure schematic diagram of sealed connection structure.

[0019] Mark explanation: 1, lower tray;101, upper cover body;102, back type clamping plate;103, back type clamping groove;104, rectangular clamping groove;201, U-shaped clamping plate;202, connecting plate;203, stud;204, nut;205, first U-shaped clamping plate;206, U-shaped clamping groove;207, U-shaped rubber sealing gasket;208, second U-shaped clamping plate. DETAILED DESCRIPTION

[0020] The utility model is further explained below in connection with the drawings and examples.

[0021] Please refer to Figures 1-4 The utility model provides a kind of sealed connection structure of new energy vehicle battery shell, including lower tray 1 and sealing connection module;Lower tray 1 outside is equipped with the sealing connection module for reinforcing sealing and connection, which can be detached, sealing connection module includes U-shaped clamping plate 201, U-shaped clamping plate 201 is symmetrically set horizontally, U-shaped clamping plate 201 inner wall middle part is equipped with U-shaped clamping groove 206, U-shaped clamping plate 201 inner side is equipped with U-shaped rubber sealing gasket 207, U-shaped rubber sealing gasket 207 outside is equipped with second U-shaped clamping plate 208, second U-shaped clamping plate 208 drives U-shaped rubber sealing gasket 207 along U-shaped clamping groove 206 and U-shaped clamping plate 201 positioning connection.

[0022] Please refer to Figure 2 In the embodiment, upper cover body 101 is equipped above lower tray 1, back type clamping plate 102 is installed at lower tray 1 upper end edge, back type clamping plate 102 facilitates the assembly of lower tray 1 and upper cover body 101, back type clamping groove 103 is equipped in the lower wall of the inner wall of upper cover body 101, back type clamping plate 102 drives lower tray 1 along back type clamping groove 103 and upper cover body 101 adhering connection, battery is placed in lower tray 1, then back type clamping plate 102 drives lower tray 1 along back type clamping groove 103 and upper cover body 101 adhering connection, lower tray 1 and upper cover body 101 are all equipped with rectangular clamping groove 104 outside, rectangular clamping groove 104 facilitates the positioning connection of U-shaped clamping plate 201.

[0023] Please refer to Figures 3-4In the embodiment, the U-shaped clamping plates 201 are each provided with a connecting plate 202 at both ends, and a threaded stud 203 is arranged in the middle of each two groups of connecting plates 202 arranged in close contact. The threaded stud 203 is lifted and passed through the connecting plate 202, and then the nut 204 is tightened, so that the U-shaped clamping plates 201 can be used. The nut 204 is arranged outside the threaded stud 203 at both ends, which can reinforce the connection of the two groups of U-shaped clamping plates 201. The U-shaped rubber sealing gasket 207 is provided with a first U-shaped clamping plate 205 fixedly connected with the U-shaped clamping plate 201 at both ends. The first U-shaped clamping plate 205 drives the U-shaped clamping plate 201 to be positioned and clamped along the rectangular clamping groove 104 with the lower tray 1 and the upper cover body 101. The two groups of U-shaped clamping plates 201 are symmetrically placed outside the lower tray 1, and then the first U-shaped clamping plate 205 drives the U-shaped clamping plate 201 to be positioned and clamped along the rectangular clamping groove 104 with the lower tray 1 and the upper cover body 101.

[0024] In use, the battery is placed in the lower tray 1, and then the U-shaped clamping plate 201 is lifted and passed through the connecting plate 202, and then the nut 204 is tightened, so that the U-shaped clamping plate 201 can be used.

[0025] When the sealing connection module is used for a period of time, it is disassembled, and the U-shaped rubber sealing gasket 207 is removed. Whether it is damaged or not is checked. After the repair and replacement are completed, the second U-shaped clamping plate 208 drives the U-shaped rubber sealing gasket 207 to be positioned and connected along the U-shaped clamping groove 206 with the U-shaped clamping plate 201, and then the U-shaped clamping plate 201 is reassembled, so that it can continue to be used.

[0026] Through the above steps, the upper cover body 101 on the lower tray 1 is connected in close contact, and then the sealing connection module is arranged outside the lower tray 1. The connection between the lower tray 1 and the upper cover body 101 is reinforced and sealed. When the sealing connection module is used for a period of time, it is disassembled and the U-shaped rubber sealing gasket 207 inside the sealing connection module is removed and replaced, so that the sealing effect of the sealing connection module is maintained. Through the detachable and replaceable connection structure, the maintenance personnel can easily disassemble the battery shell and quickly replace the U-shaped rubber sealing gasket 207, so that the sealing performance of the battery shell can always be maintained in a good state, and the sealing strip can always be tightly connected with the battery shell, preventing the leakage of internal substances of the battery or the entry of external substances, thereby ensuring the safe operation of the battery. To solve the problem that the existing sealing connection structure may lose its original sealing performance due to aging, wear or chemical corrosion during long-term use, causing water leakage in the battery, gas leakage in the battery, etc., thereby affecting the performance and safety of the vehicle.

Claims

1. A sealed connection structure of a new energy vehicle battery shell, comprising a lower tray (1); characterized in that: Also include a sealing connection module; the lower tray (1) is externally provided with a detachable sealing connection module for reinforcing sealing and connection, the sealing connection module comprises a U-shaped clamping plate (201), the U-shaped clamping plate (201) is horizontally symmetrically arranged, a U-shaped clamping groove (206) is formed in the middle of the inner wall of the U-shaped clamping plate (201), a U-shaped rubber sealing gasket (207) is arranged on the inner side of the U-shaped clamping plate (201), a second U-shaped clamping plate (208) is mounted on the outer side of the U-shaped rubber sealing gasket (207), the second U-shaped clamping plate (208) drives the U-shaped rubber sealing gasket (207) to be positioned and connected with the U-shaped clamping plate (201) along the U-shaped clamping groove (206).

2. The sealing connection structure of a new energy vehicle battery case according to claim 1, characterized in that: The lower tray (1) is provided with an upper cover body (101) above, and a back-shaped clamping plate (102) is mounted at the upper end edge of the lower tray (1).

3. The sealing connection structure of a new energy vehicle battery case according to claim 1, characterized in that: A back-shaped clamping groove (103) is formed in the lower inner wall of the upper cover body (101), and the back-shaped clamping plate (102) drives the lower tray (1) to be connected with the upper cover body (101) along the back-shaped clamping groove (103).

4. The sealing connection structure of a new energy vehicle battery case according to claim 1, characterized in that: The lower tray (1) and the upper cover body (101) are both provided with a rectangular clamping groove (104) outside.

5. The sealing connection structure of a new energy vehicle battery case according to claim 1, characterized in that: A connecting plate (202) is mounted at each end of the U-shaped clamping plate (201), and a stud (203) is arranged in the middle of each two groups of abutting connecting plates (202).

6. The sealing connection structure of a new energy vehicle battery case according to claim 1, characterized in that: A nut (204) is sleeved on the outer side of each end of the stud (203).

7. The sealing connection structure of a new energy vehicle battery case according to claim 4, characterized in that: The upper and lower ends of the U-shaped rubber sealing gasket (207) are both provided with a first U-shaped clamping plate (205) fixedly connected with the U-shaped clamping plate (201), and the first U-shaped clamping plate (205) drives the U-shaped clamping plate (201) to be positioned and clamped with the lower tray (1) and the upper cover body (101) along the rectangular clamping groove (104).

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