Sealing structure of sheet metal box body

Abstract

The utility model relates to the technical field of battery packs, and discloses a sealing structure of a sheet metal box body, which comprises a lower box body, the top of the lower box body is fixedly connected with an upper cover, the top of the outer surface of the lower box body is provided with a plurality of A screw fixing holes, and the rear ends of the A screw fixing holes are fixedly connected with waterproof nuts. According to the utility model, through the close combination of the components and the action of the sealing ring, the box body is ensured to have better sealing performance, external impurities, moisture and other substances are effectively prevented from entering the box body, and articles in the box are protected from being damaged; by means of the structure, the overall structure of the box body is stable and reliable and not prone to loosening or inclining, the stability of the box body in the using process is guaranteed, a user can easily open and close the box body through the design of the rotating groove and the handle, storing, taking and maintaining operation of objects can be conducted, using convenience is improved, and operation troubles are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, and in particular to a sealing structure of a sheet metal box. Background Art

[0002] Currently, the sealing of the sheet metal box is achieved by applying sealant at the joint between the lower box and the upper cover:

[0003] This type of sealing is too dependent on the performance of the sealant. The storage environment and time of the sealant have a great impact on its performance. Improper storage conditions will increase material costs.

[0004] The disassembly process of the sheet metal box is difficult, and the sealing effect is only one-time, resulting in increased labor and material costs. There are safety risks during the repeated disassembly and sealing of the battery pack.

[0005] Manual sealing increases labor and time costs, makes it difficult to control product quality, results in a high defect rate, and a high unit price. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a sealing structure of a sheet metal box.

[0007] The utility model is implemented by the following technical solution: a sealing structure of a sheet metal box, comprising a lower box, the top of which is fixedly connected to an upper cover, a top of the outer surface of the lower box is provided with a plurality of A screw fixing holes, and the rear ends of the A screw fixing holes are fixedly connected to waterproof nuts.

[0008] Through the above technical solution, the lower box body serves as the main part of the box body and is fixedly connected to the upper cover by fastening screws, ensuring the overall stability of the box body and facilitating daily operation and maintenance. The A screw fixing hole plays a connecting role and is used to connect and fix with the fastening screw. The waterproof nut is fastened at the rear end of the A screw fixing hole to play a waterproof role, preventing moisture or other liquids from penetrating into the interior of the box body and protecting the items in the box body from damage.

[0009] As a further improvement of the above solution, a plurality of B screw fixing holes are provided on the outer surface of the upper cover, and the B screw fixing holes are adapted to the A screw fixing holes.

[0010] Through the above technical solution, the B screw fixing hole is connected to the A screw fixing hole to ensure that the holes therebetween are communicated, which is used to fix the fastening screws and facilitate their tight fixation.

[0011] As a further improvement of the above solution, the inner wall of the B screw fixing hole is threadedly connected with a fastening screw, and the fastening screw is adapted to the A screw fixing hole and the waterproof nut.

[0012] Through the above technical solution, the B screw fixing hole is located on the outer surface of the upper cover, and the inner wall is connected with a fastening screw. The cooperation of the fastening screw, the A screw fixing hole and the waterproof nut achieves a firmer fixation, thereby improving the overall stability and sealing performance of the box.

[0013] As a further improvement of the above solution, a sealing ring is fixedly connected to the top of the inner wall of the upper cover, and the sealing ring is adapted to the lower box body.

[0014] Through the above technical solution, the sealing ring is fixed to the top of the inner wall of the upper cover and is adapted to the lower box body, thereby playing a sealing role, preventing external substances such as dust and moisture from entering the interior of the box, and protecting the items in the box from being affected.

[0015] As a further improvement of the above solution, an explosion-proof vent valve is fixedly connected to one side of the upper surface of the upper cover, and a plurality of reserved installation holes are opened on one side of the explosion-proof vent valve.

[0016] Through the above technical solution, the explosion-proof vent valve is installed on one side of the upper cover, which can prevent the accumulation of gas inside the box and cause safety problems, ensure the ventilation and safety inside the box, and facilitate the installation of other connecting components through the reserved installation holes.

[0017] As a further improvement of the above solution, a fixing plate is fixedly connected to the middle of the upper surface of the upper cover, and fixing bolts are fixedly connected to the four corners of the upper surface of the fixing plate, and the fixing bolts are connected to the upper cover.

[0018] Through the above technical solution, the fixing plate is fixed above the upper cover by fixing bolts, which facilitates the installation and fixation of other structures.

[0019] As a further improvement to the above solution, a rotation groove is fixedly connected to the middle portion of the upper surface of the fixed plate, and a handle is rotatably connected to the interior of the rotation groove.

[0020] Through the above technical solution, the fixing plate is connected to the upper cover by fixing bolts, and the rotating groove and handle allow the user to easily open and close the box, access and maintain the items inside, and improve the usability of the box.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] The utility model ensures that the box body has good sealing performance by arranging the close connection between various components and the function of the sealing ring, effectively preventing external impurities, moisture and other substances from entering the interior of the box, and protecting the items in the box from damage. The combined design of the lower box body, the upper cover and various screws, fixing plates and other structural parts makes the overall structure of the box stable and reliable, not easy to loosen or tilt, and ensures the stability of the box during use. The design of the rotating groove and the handle allows the user to easily open and close the box body and perform storage, access and maintenance operations on items, thereby improving convenience of use and reducing operational troubles. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the lower box structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the upper cover structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the overall explosion structure of the utility model;

[0027] Figure 5 For this utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0028] Description of main symbols:

[0029] 1. Lower box; 2. Upper cover; 3. Screw fixing hole A; 4. Waterproof nut; 5. Screw fixing hole B; 6. Fastening screw; 7. Sealing ring; 8. Explosion-proof air valve; 9. Reserved installation hole; 10. Fixing plate; 11. Fixing bolt; 12. Rotation slot; 13. Handle. DETAILED DESCRIPTION

[0030] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. Example

[0031] Please combine Figure 1-5, a sealing structure of a sheet metal box in this embodiment includes a lower box body 1, the top of the lower box body 1 is fixedly connected to an upper cover 2, the top of the outer surface of the lower box body 1 is opened with several A screw fixing holes 3, the rear end of the A screw fixing hole 3 is fixedly connected with a waterproof nut 4, the lower box body 1 as the main part of the box body, is fixedly connected to the upper cover 2 by fastening screws 6, ensuring that the overall stability of the box body is ensured and convenient for daily operation and maintenance, the A screw fixing hole 3 plays a connecting role, and is used to connect and fix with the fastening screw 6, and the waterproof nut 4 is fastened at the rear end of the A screw fixing hole 3 to play a waterproof role, preventing moisture or other liquids from penetrating into the interior of the box body, and protecting the items in the box body from damage.

[0032] The outer surface of the upper cover 2 is provided with several B screw fixing holes 5, which are adapted to the A screw fixing holes 3. The B screw fixing holes 5 are connected to the A screw fixing holes 3 to ensure that the holes therebetween are communicated, and are used to fix the fastening screws 6 to facilitate their tight fixation.

[0033] The inner wall of the B screw fixing hole 5 is threadedly connected with a fastening screw 6, which is compatible with the A screw fixing hole 3 and the waterproof nut 4. The B screw fixing hole 5 is located on the outer surface of the upper cover, and the inner wall is connected with the fastening screw 6. The cooperation of the fastening screw 6, the A screw fixing hole 3 and the waterproof nut 4 achieves a more secure fixation, thereby improving the overall stability and sealing performance of the box.

[0034] A sealing ring 7 is fixedly connected to the top of the inner wall of the upper cover 2, and the sealing ring 7 is adapted to the lower box body 1. The sealing ring 7 is fixed to the top of the inner wall of the upper cover 2 and is adapted to the lower box body 1 to play a sealing role, preventing external substances such as dust and moisture from entering the interior of the box, and protecting the items in the box from being affected.

[0035] An explosion-proof vent valve 8 is fixedly connected to one side of the upper surface of the upper cover 2. Several reserved mounting holes 9 are provided on one side of the explosion-proof vent valve 8. The explosion-proof vent valve 8 is installed on one side of the upper cover to prevent gas accumulation inside the box from causing safety problems, ensuring ventilation and safety inside the box. The reserved mounting holes (9) facilitate the installation of other connecting components.

[0036] A fixing plate 10 is fixedly connected to the middle of the upper surface of the upper cover 2, and fixing bolts 11 are fixedly connected to the four corners of the upper surface of the fixing plate 10. The fixing bolts 11 are connected to the upper cover 2. The fixing plate 10 is fixed above the upper cover 2 by the fixing bolts 11, which facilitates the installation and fixation of other structures.

[0037] A rotating groove 12 is fixedly connected to the middle of the upper surface of the fixed plate 10, and a handle 13 is rotatably connected inside the rotating groove 12. The fixed plate 10 is connected to the upper cover 2 by a fixing bolt 11. The rotating groove 12 and the handle 13 allow the user to easily open and close the box, access and maintain the items inside, and improve the usability of the box.

[0038] The implementation principle of the sealing structure of a sheet metal box in the embodiment of the present application is as follows: the lower box body 1 serves as the main body of the box body and is fixedly connected to the upper cover 2 by fastening screws 6 to ensure that the box body is stable as a whole and is convenient for daily operation and maintenance. The A screw fixing hole 3 plays a connecting role and is used to connect and fix with the fastening screw 6. The waterproof nut 4 is fastened to the rear end of the A screw fixing hole 3 to play a waterproof role, preventing moisture or other liquids from penetrating into the interior of the box body and protecting the items in the box body from damage. The B screw fixing hole 5 is connected to the A screw fixing hole 3 to ensure that the holes therebetween are communicated, which is used to fix the fastening screw 6 for easy fixation. The B screw fixing hole 5 is located on the outer surface of the upper cover, and the inner wall is connected with the fastening screw 6. Through the cooperation of the fastening screw 6, the A screw fixing hole 3 and the waterproof nut 4, A more secure fixation is achieved, and the overall stability and sealing performance of the box body are improved. The sealing ring 7 is fixed to the top of the inner wall of the upper cover 2 and is adapted to the lower box body 1 to play a sealing role, preventing external substances such as dust and moisture from entering the box body, and protecting the items in the box body from being affected. The explosion-proof air valve 8 is installed on one side of the upper cover to prevent the accumulation of gas inside the box body from causing safety problems, ensuring ventilation and safety inside the box body. The reserved mounting holes (9) are convenient for installing other connecting parts. The fixing plate 10 is fixed to the top of the upper cover 2 by the fixing bolts 11, which is convenient for installing and fixing other structures. The fixing plate 10 is connected to the upper cover 2 by the fixing bolts 11. The rotating slot 12 and the handle 13 allow the user to easily open and close the box body, access and perform maintenance operations on the internal items, thereby improving the usability of the box body.

[0039] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A sealing structure for a sheet metal box, characterized in that: It comprises a lower box body (1), the top of the lower box body (1) is fixedly connected to an upper cover (2), the top of the outer surface of the lower box body (1) is provided with a plurality of A screw fixing holes (3), and the rear ends of the A screw fixing holes (3) are fixedly connected to waterproof nuts (4); The outer surface of the upper cover (2) is provided with a plurality of B screw fixing holes (5), and the B screw fixing holes (5) are adapted to the A screw fixing holes (3); The inner wall of the B screw fixing hole (5) is threadedly connected with a fastening screw (6), and the fastening screw (6) is compatible with the A screw fixing hole (3) and the waterproof nut (4).

2. The sealing structure of a sheet metal box according to claim 1, characterized in that: A sealing ring (7) is fixedly connected to the top of the inner wall of the upper cover (2), and the sealing ring (7) is adapted to the lower box body (1).

3. The sealing structure of a sheet metal box according to claim 1, characterized in that: An explosion-proof vent valve (8) is fixedly connected to one side of the upper surface of the upper cover (2), and a plurality of reserved mounting holes (9) are provided on one side of the explosion-proof vent valve (8).

4. The sealing structure of a sheet metal box according to claim 1, wherein: A fixing plate (10) is fixedly connected to the middle of the upper surface of the upper cover (2), and fixing bolts (11) are fixedly connected to the four corners of the upper surface of the fixing plate (10), and the fixing bolts (11) are connected to the upper cover (2).

5. The sealing structure of a sheet metal box according to claim 4, characterized in that: A rotation groove (12) is fixedly connected to the middle portion of the upper surface of the fixed plate (10), and a handle (13) is rotatably connected inside the rotation groove (12).

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