Battery module sheet metal box body with high waterproof performance

Abstract

The utility model discloses a battery module sheet metal box body with high waterproof performance, which comprises a battery box body, the battery box body comprises a mounting frame, a cover plate and an anti-skid pad, the lower end face of the cover plate is clamped in the mounting frame, and two groups of threaded knobs are arranged on the front side and the rear side of the outer part of the mounting frame; threaded rods are fixedly connected to the outer walls of the two sets of threaded rotary knobs, one ends of the threaded rods are arranged in the mounting frame, a sealing gasket is arranged in the mounting frame, a sealing ring is arranged above the sealing gasket, an inserting rod is arranged on the lower end face of the cover plate, one end of the inserting rod is arranged in the mounting frame, and two pull rings are arranged on the upper end face of the cover plate. The sealing performance of the battery can be improved while the battery is placed in the box body to be fastened, the battery can be effectively prevented from water, and practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a battery module sheet metal box with high waterproof performance. Background Art

[0002] As new energy vehicles become more and more popular, the demand for lithium batteries is also increasing. Such as electric buses, electric buses, electric trucks, electric bicycles, etc. At present, there is an electric bicycle product that needs to be placed in a box to ensure the performance of its power source lithium battery module to achieve waterproofing and prevent short circuits. However, in the existing technology, the box for lithium battery modules is easily flooded during use by customers, resulting in short circuits in the battery cells inside the box and burning the battery.

[0003] The existing patent with publication number CN214625264U proposes a battery module sheet metal box with high waterproof performance. The box is provided with a box body and a box cover. The outer peripheral edge of the box cover is folded downward to form a folded plate surface. The folded plate surface is provided with a plurality of horizontal connecting columns extending horizontally inward at intervals. One end of the horizontal connecting column is closed and the other end is provided with a threaded hole. The upper part of the box is provided with through holes corresponding to the threaded holes one by one. The box body and the box cover are connected together by screws passing through the through holes and screwing into the threaded holes. A circle of sealant is coated at the junction between the box body and the box cover.

[0004] Although the above-mentioned battery module sheet metal box has a certain waterproof effect on the assembly of lithium batteries, its sealing performance is relatively poor. It is only fixed by screws, and the screws will rust on the surface over time, making it difficult to disassemble. It is very inconvenient to replace the lithium battery, and the sealing effect is poor, which can easily cause water to enter the lithium battery, which is easily damaged and causes cost losses. To address the above problems, we propose a battery module sheet metal box with high waterproof performance for improvement and upgrading. Utility Model Content

[0005] The utility model aims to provide a battery module sheet metal box with high waterproof performance to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above problems, the following technical solutions are provided:

[0007] A battery module sheet metal box with high waterproof performance is designed, including a battery box, the battery box includes a mounting frame, a cover plate and an anti-slip pad, the lower end face of the cover plate is clamped in the interior of the mounting frame, two groups of threaded knobs are arranged on the front and rear sides of the exterior of the mounting frame, the outer walls of the two groups of threaded knobs are fixedly connected with threaded rods, one end of the threaded rod is arranged in the interior of the mounting frame, a sealing gasket is arranged in the interior of the mounting frame, a sealing ring is arranged above the sealing gasket, an insertion rod is arranged on the lower end face of the cover plate and one end of the insertion rod is arranged in the interior of the mounting frame, and two pull rings are arranged on the upper end face of the cover plate.

[0008] Furthermore, the anti-skid pad is fixedly arranged at the bottom of the battery box, handles are symmetrically arranged on both sides of the outer wall of the battery box, and a charging interface end and a discharging interface end are respectively arranged on the front side of the outer wall of the battery box.

[0009] Furthermore, a placement groove is symmetrically provided on the upper end surface of the cover plate, and the two pull rings are rotatably installed inside the placement groove. A junction box is provided on the upper end surface of the cover plate at one side of the pull ring.

[0010] Furthermore, a mounting groove is provided inside the mounting frame, the sealing gasket and the sealing ring are both arranged inside the mounting groove, the upper end surface of the sealing gasket is provided with adhesive sealant and the upper end of the adhesive sealant is connected to the sealing ring.

[0011] Furthermore, the sealing ring and the sealing gasket are provided with insertion holes inside, one end of the insertion rod passes through the insertion hole and the extended end is connected to the inside of the installation groove.

[0012] Furthermore, two groups of slots are symmetrically formed on the front and rear sides of the outer wall of the mounting frame, the size of the threaded rod matches the slots, the outer wall of the threaded rod is threadedly connected inside the slots and the extended end is connected to the outer wall of the cover plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model device is provided with components such as a mounting frame, a cover plate, a threaded knob, a threaded rod, a sealing gasket, a sealing ring, and an insertion rod. The insertion rod at the lower end of the cover plate is inserted into the mounting groove inside the mounting frame by pulling the pull ring, so that one end of the insertion rod squeezes and connects the sealing gasket and the sealing ring, so that the cover plate and the mounting frame are relatively sealed. The threaded rod is driven to rotate by rotating the front and rear side threaded knobs, so that the four threaded rods are rotated to fix the cover plate inside the mounting frame, which can effectively waterproof the lithium battery placed in the box, facilitate installation and tightening, and improve the sealing effect, which is beneficial to increasing the service life of the lithium battery and has a simple structure.

[0015] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications and equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of a battery module sheet metal box with high waterproof performance according to the utility model;

[0018] Figure 2 This is a schematic diagram of the expanded structure of a battery module sheet metal box with high waterproof performance according to the utility model;

[0019] Figure 3 for Figure 2 Schematic diagram of local split structure;

[0020] Figure 4 for Figure 3 Schematic diagram of the internal split structure.

[0021] In the figure: 1. battery box; 2. mounting frame; 3. charging interface; 4. discharging interface; 5. handle; 6. anti-slip pad; 7. threaded knob; 8. pull ring; 9. junction box; 10. cover; 11. placement slot; 12. plug rod; 13. mounting slot; 14. threaded rod; 15. sealing gasket; 16. notch; 17. adhesive sealant; 18. socket; 19. sealing ring. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 - Figure 4As shown, the present embodiment provides a battery module sheet metal box with high waterproof performance, including a battery box 1, the battery box 1 includes a mounting frame 2, a cover plate 10 and an anti-slip pad 6, the lower end face of the cover plate 10 is clamped in the interior of the mounting frame 2, and two groups of threaded knobs 7 are arranged on the front and rear sides of the outside of the mounting frame 2, and the outer walls of the two groups of threaded knobs 7 are fixedly connected with a threaded rod 14, one end of the threaded rod 14 is arranged in the interior of the mounting frame 2, a sealing gasket 15 is arranged in the interior of the mounting frame 2, and a sealing ring 19 is arranged above the sealing gasket 15, an insertion rod 12 is arranged on the lower end face of the cover plate 10 and one end of the insertion rod 12 is arranged in the interior of the mounting frame 2, and two pull rings 8 are arranged on the upper end face of the cover plate 10.

[0024] Preferably, the anti-skid pad 6 is fixedly arranged at the bottom of the battery box 1, and the grips 5 are symmetrically arranged on both sides of the outer wall of the battery box 1, and the charging interface terminal 3 and the discharging interface terminal 4 are respectively arranged on the front side of the outer wall of the battery box 1, so as to prevent the box from slipping and deflecting when being placed, and improve its stability; the upper end surface of the cover plate 10 is symmetrically provided with a placement groove 11, and the two pull rings 8 are rotatably installed in the placement groove 11, and the upper end surface of the cover plate 10 is provided with a junction box 9 on one side of the pull ring 8, so as to facilitate the quick opening of the cover plate 10 and the placement of the lithium battery; the mounting frame 2 is provided with a mounting groove 13, and the sealing gasket 15 and the sealing ring 19 are both arranged in the mounting groove 13; the upper end surface of the sealing gasket 15 is provided with an adhesive sealant 17 and the upper end of the adhesive sealant 17 is connected to the sealing ring 19, so as to facilitate the relative sealing of the cover plate 10 and the mounting frame 2 on the box when installed, so as to facilitate waterproofing.

[0025] Preferably, both the sealing ring 19 and the sealing gasket 15 are provided with a socket 18, one end of the plug rod 12 passes through the socket 18 and the extended end is connected to the mounting groove 13, so as to facilitate the relatively tight connection between the cover plate 10 and the mounting frame 2, and two groups of notches 16 are symmetrically provided on the front and rear sides of the outer wall of the mounting frame 2, the size of the threaded rod 14 is adapted to the notch 16, the outer wall of the threaded rod 14 is threadedly connected to the notch 16 and the extended end is connected to the outer wall of the cover plate 10, so as to facilitate fixing the cover plate 10 to the inside of the mounting frame 2.

[0026] The use principle and use process of the utility model are as follows: first, the staff puts the lithium battery in the internal cavity of the battery box 1. At this time, the pull ring 8 is pulled to insert the lower end plug rod 12 of the cover plate 10 into the internal mounting groove 13 of the mounting frame 2, so that one end of the plug rod 12 squeezes and connects the sealing gasket 15 and the sealing ring 19, so that the cover plate 10 and the mounting frame 2 are relatively sealed. When the cover plate 10 and the internal mounting groove 13 of the mounting frame 2 are relatively positioned, the staff drives the threaded rod 14 to rotate by turning the front and rear side threaded knobs 7, so that the four threaded rods 14 rotate to fix the cover plate 10 inside the mounting frame 2, so that the lithium battery placed in the box can be effectively waterproofed and its sealing effect is improved.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

Claims

1. A battery module sheet metal box with high waterproof performance, characterized in that: The battery box (1) comprises a battery box (1), wherein the battery box (1) comprises a mounting frame (2), a cover plate (10) and an anti-slip pad (6), wherein the lower end surface of the cover plate (10) is clamped inside the mounting frame (2), two groups of threaded knobs (7) are arranged on the front and rear sides of the outside of the mounting frame (2), the outer walls of the two groups of threaded knobs (7) are fixedly connected with threaded rods (14), one end of the threaded rod (14) is arranged inside the mounting frame (2), a sealing gasket (15) is arranged inside the mounting frame (2), a sealing ring (19) is arranged above the sealing gasket (15), an insertion rod (12) is arranged on the lower end surface of the cover plate (10), and one end of the insertion rod (12) is arranged inside the mounting frame (2), and two pull rings (8) are arranged on the upper end surface of the cover plate (10).

2. A battery module sheet metal box with high waterproof performance according to claim 1, characterized in that: The anti-slip pad (6) is fixedly arranged at the bottom of the battery box (1), handles (5) are symmetrically arranged on both sides of the outer wall of the battery box (1), and a charging interface end (3) and a discharging interface end (4) are respectively arranged on the front side of the outer wall of the battery box (1).

3. A battery module sheet metal box with high waterproof performance according to claim 1, characterized in that: The upper end surface of the cover plate (10) is symmetrically provided with a placement groove (11), and the two pull rings (8) are rotatably mounted inside the placement groove (11). The upper end surface of the cover plate (10) is provided with a junction box (9) on one side of the pull ring (8).

4. A battery module sheet metal box with high waterproof performance according to claim 1, characterized in that: The mounting frame (2) is provided with a mounting groove (13) inside, the sealing pad (15) and the sealing ring (19) are both arranged inside the mounting groove (13), the upper end surface of the sealing pad (15) is provided with a sticky sealant (17), and the upper end of the sticky sealant (17) is connected to the sealing ring (19).

5. A battery module sheet metal box with high waterproof performance according to claim 1, characterized in that: The sealing ring (19) and the sealing pad (15) are both provided with an insertion hole (18), one end of the insertion rod (12) passes through the insertion hole (18) and the extended end is connected to the installation groove (13).

6. A battery module sheet metal box with high waterproof performance according to claim 1, characterized in that: Two groups of slots (16) are symmetrically formed on the front and rear sides of the outer wall of the mounting frame (2); the size of the threaded rod (14) matches the slots (16); the outer wall of the threaded rod (14) is threadedly connected to the inside of the slots (16) and the extended end is connected to the outer wall of the cover plate (10).

Images