Battery waterproof structure applied to swimming pool cleaning device
By designing the sealing structure and adjustable main connection wire on the battery pack of the pool cleaning device, the sealing failure problem of the battery pack when used in water is solved, and the safety and adaptability of the battery pack are achieved.
Patent Information
- Application Number
- CN202421179068.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The battery pack of the swimming pool cleaning robot is prone to seal failure when used in water, causing water to penetrate into the battery pack, causing a short circuit in the battery cell, posing a safety hazard.
A battery waterproof structure is designed, including a battery box and a battery pack, which is fixed and sealed by screws between the housing and the top cover to form a closed state, and the sealing and waterproof effect is achieved through the sealing and waterproofing structure between the main connecting line and the battery box.
Effectively prevent liquid from entering the battery box, ensuring the safety and reliability of the battery pack when working in the swimming pool cleaning device. At the same time, through the adjustable total connection line length, it can adapt to devices of different driving housing sizes to avoid bending and water leakage.
Smart Images

Figure CN222690799U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery design, and in particular to a battery waterproof structure used in a swimming pool cleaning device. Background Art
[0002] The swimming pool cleaning robot is an underwater cleaning robot designed to meet the needs of swimming pool cleaning. It can repeatedly clean the dirt on the bottom and walls of the swimming pool, filter the pool water, collect swimming pool garbage, and make the swimming pool water as clear as new. Due to its powerful cleaning ability, simple structure, excellent performance, small size, light weight, high efficiency, large flow rate, and easy maintenance, the swimming pool cleaning robot helps people easily clean up daily garbage and dirt in the swimming pool, completely changing the traditional manual cleaning method and making swimming pool cleaning no longer a hassle.
[0003] The battery pack of a pool cleaning robot is generally located inside its drive housing. When the pool cleaning robot is cleaning in the pool, if the seal of the drive housing fails, the liquid in the pool will enter the drive housing and penetrate into the outer casing along the gap between the wires connecting the battery pack and the robot, causing the battery cells to short-circuit in contact with water, posing a safety hazard. Utility Model Content
[0004] In view of the technical defects existing in the background technology, the utility model proposes a battery waterproof structure applied to a swimming pool cleaning device, which solves the above technical problems and meets the actual needs. The specific technical solution is as follows:
[0005] A battery waterproof structure used in a swimming pool cleaning device comprises a battery box and a battery pack, the battery box comprises a shell and a top cover, the shell and the top cover are screwed and fixed by screws, a first sealing structure is arranged between the shell and the top cover, a connecting hole is arranged on one side of the shell, a retention chamber is arranged on the shell corresponding to the position between the battery pack and the connecting hole, a main connecting line is passed through the connecting hole, a second sealing structure is sleeved on the outer surface of the connecting hole, the second sealing structure comprises a plurality of clamping sheets arranged at equal intervals in a circumferential direction around the connecting hole and a screwing portion sleeved on the outer surface of the clamping sheet, a sealing ring is arranged between the inner surface of the clamping sheet and the outer surface of the main connecting line, and the sealing ring is bonded and fixed to the inner surface of the clamping sheet.
[0006] As an improvement of the above solution, the upper edge of the shell is provided with an end surface one horizontally facing the top cover, and the lower edge of the top cover is provided with an end surface two horizontally facing the shell, and the end surface two is attached to the end surface one and fixed by screws.
[0007] As an improvement of the above solution, a vertically upward sealing block is provided at a position of the end face 1 close to the inner edge, and a vertically downward opening sealing groove is provided at a position of the end face 2 corresponding to the sealing block, and a rubber layer is bonded to the inner wall of the sealing groove.
[0008] As an improvement of the above solution, a connecting column extending toward the outside of the shell is provided at a position on the outer surface of the shell corresponding to the connecting hole. The shell, the connecting column and the clamping plate are an integrated structure. The number of the clamping plates is three, and a movable gap is reserved between two adjacent clamping plates.
[0009] As an improvement of the above scheme, an external thread is provided around the outer surface of the connecting column, an internal thread is provided on the inner surface of the screwing portion, and a through hole is provided along the length direction of the screwing portion, and the diameter of one end of the through hole that engages with the connecting column is larger than the diameter of one end of the through hole that adheres to the outer surface of the clamping piece.
[0010] As an improvement on the above scheme, a parallel circuit board is provided on one side of the retention chamber close to the battery pack, a movable gap is reserved between the parallel circuit board and the connecting hole, and a positive parallel plate and a negative parallel plate are respectively provided at the ends in the length direction of the battery pack, and the positive parallel plate and the negative parallel plate are connected to the parallel circuit board through wires.
[0011] As an improvement of the above scheme, the connection hole penetrates along the thickness direction of the shell, one end of the main connecting line is provided with a connection hole that passes through the box and is connected to the parallel circuit board, and the other end of the main connecting line is provided with a double-core waterproof ring.
[0012] The utility model has the beneficial effects that: the battery pack is sealed in the battery box through the shell and the top cover, and when the swimming pool cleaning device is working, the first sealing structure can effectively prevent liquid from entering the battery box along the gap between the shell and the cover, and the battery box and the cleaning device are connected by a main connecting line, and the main connecting line is clamped and fixed by screwing the screwing part to achieve the effect of sealing and waterproofing, and the length of the main connecting line can be extended or shortened by rotating the screwing part to loosen the clamping piece, so that it can adapt to swimming pool cleaning devices with different drive shell sizes, and avoid the main connecting line being exposed too long to cause bending and leakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the battery box of the present utility model.
[0014] Figure 2 It is a schematic diagram of the internal structure of the battery box of the present utility model.
[0015] Figure 3This is a schematic diagram of the battery pack structure of the utility model.
[0016] Figure 4 It is a schematic diagram of the shell structure of the utility model.
[0017] Figure 5 It is a schematic diagram of the top cover structure of the utility model.
[0018] Figure 6 This is a schematic diagram of the sealing groove structure of the utility model.
[0019] Figure 7 It is a schematic diagram of the expanded state of the second sealing structure of the utility model.
[0020] Figure 8 It is a schematic diagram of the internal structure of the second sealing structure of the utility model.
[0021] Among them: battery box 1, retention chamber 101, parallel circuit board 102, battery pack 2, positive parallel plate 201, negative parallel plate 202, shell 3, connecting hole 301, fitting surface 1 302, top cover 4, fitting surface 2 401, first sealing structure 5, sealing block 501, sealing groove 502, rubber layer 503, main connecting line 6, dual-core waterproof ring 601, second sealing structure 7, connecting column 701, clamping piece 702, screwing part 703, sealing ring 704, external thread 705, internal thread 706, through hole 707. DETAILED DESCRIPTION
[0022] The implementation methods of the present invention are described below in conjunction with the accompanying drawings and relevant embodiments. The implementation methods of the present invention are not limited to the following embodiments, and the present invention involves relevant necessary components in this technical field, which should be regarded as common knowledge in this technical field and can be known and mastered by technical personnel in this technical field.
[0023] like Figures 1 to 8As shown, a battery waterproof structure used in a swimming pool cleaning device includes a battery box 1 and a battery pack 2, the battery box 1 includes a shell 3 and a top cover 4, the shell 3 and the top cover 4 are screwed and fixed by screws, a first sealing structure 5 is provided between the shell 3 and the top cover 4, a connecting hole 301 is provided on one side of the shell 3, and a retention chamber 101 is provided on the shell 3 corresponding to the position between the battery pack 2 and the connecting hole 301, a main connecting line 6 is passed through the connecting hole 301, and a second sealing structure 7 is sleeved on the outer surface of the connecting hole 301, the second sealing structure 7 includes a plurality of clamping pieces 702 arranged at equal intervals in the circumferential direction around the connecting hole 301 and a screwing portion 703 sleeved on the outer surface of the clamping piece 702, a sealing ring 704 is provided between the inner surface of the clamping piece 702 and the outer surface of the main connecting line 6, and the sealing ring 704 is bonded and fixed to the inner surface of the clamping piece 702.
[0024] like Figure 1 , Figure 2 , Figure 4 and Figure 7 As shown, in the battery case 1 structure of the utility model, the battery case 1 is composed of a shell 3 and a top cover 4, the first sealing structure 5 is provided at the connection position between the shell 3 and the top cover 4, a connection hole 301 is provided on one side end face of the battery case 1, a second sealing structure 7 is provided between the connection hole 301 and the main connection line 6, a battery case 1 in a closed state is formed by the first sealing structure 5 and the second sealing structure 7, the battery pack 2 is arranged in the battery case 1, and is charged and discharged through the main connection line 6, the second sealing structure 7 is used to seal the gap between the main connection line 6 and the connection hole 301, and at the same time, the main connection line 6 is clamped and fixed, and the length of the main connection line 6 can be extended or shortened by screwing the screwing part 703 to loosen the clamping piece 702, so as to avoid the main connection line 6 being exposed too long and causing bending and water leakage;
[0025] like Figure 4 , Figure 5 and Figure 6As shown, in the first sealing structure 5 of the utility model, the first sealing structure 5 is composed of a sealing block 501 and a sealing groove 502, the sealing block 501 is vertically upwardly arranged on the shell 3, and the sealing groove 502 is opened downwardly and arranged on the fitting surface 2 401 of the top cover 4 facing the shell 3, further, the upper edge of the shell 3 is provided with a fitting surface 1 302 horizontally facing the top cover 4, the fitting surface 1 302 is provided with a sealing block 501 vertically upward at a position close to the inner edge, the lower edge of the top cover 4 is provided with a fitting surface 2 401 horizontally facing the shell 3, the fitting surface 2 401 is provided with a sealing groove 502 with an opening vertically downwardly corresponding to the sealing block 501, and a rubber layer 503 is bonded to the inner wall of the sealing groove 502;
[0026] It should be noted that the housing 3 and the top cover 4 are installed and fixed by the sealing block 501 and the sealing groove 502. During installation, the sealing block 501 is aligned with the sealing groove 502, the sealing block 501 extends into the sealing groove 502, the second fitting surface 401 is fitted with the first fitting surface 302 and fixed by screwing, and the sealing block 501 is screwed to squeeze the rubber layer 503 to seal and waterproof the gap between the housing 3 and the top cover 4;
[0027] like Figure 7 and Figure 8 As shown, in the second sealing structure 7 of the utility model, the second sealing structure 7 is composed of a connecting column 701 and a clamping piece 702 arranged on the shell 3, and a screwing portion 703 screwed and fixed with the connecting column 701. The connecting hole 301 penetrates along the thickness direction of the shell 3, and a connecting column 701 extending toward the outside of the shell 3 is provided at a position corresponding to the connecting hole 301 on the outer surface of the shell 3. The shell 3, the connecting column 701 and the clamping piece 702 are an integrated structure. The number of the clamping pieces 702 is three, which are arranged at equal intervals in the circumferential direction around the connecting hole 301, and a movable gap is reserved between two adjacent clamping pieces 702. The clamping piece 702 is clamped and fixed to the total connecting line 6 by rotating the screwing portion 703. The length of the total connecting line 6 can be extended or shortened by rotating the screwing portion 703 to loosen the clamping piece 702.
[0028] It should be noted that, in the above scheme, an external thread 705 is provided around the outer surface of the connecting column 701, an internal thread 706 is provided on the inner surface of the screwing portion 703, and a through hole 707 is provided along the length direction of the screwing portion 703. The diameter of one end of the through hole 707 that engages with the connecting column 701 is larger than the diameter of one end of the through hole 707 that engages with the outer surface of the clamping piece 702. When the connecting column 701 is rotated toward the shell 3, the end of the through hole 707 with a smaller diameter gradually tightens the clamping piece 702, so that the clamping piece 702 clamps and fixes the main connecting line 6, and blocks the gap between the clamping piece 702 and the main connecting line 6 through the sealing ring 704 to prevent water seepage.
[0029] Furthermore, in the above scheme, a retention chamber 101 is provided in the shell 3 at a position corresponding to the position between the battery pack 2 and the connecting hole 301, and a parallel circuit board 102 is provided on the side of the retention chamber 101 close to the battery pack 2, and a movable gap is reserved between the parallel circuit board 102 and the connecting hole 301, and a positive parallel plate 201 and a negative parallel plate 202 are respectively provided at the ends of the battery pack 2 in the length direction, and the positive parallel plate 201 and the negative parallel plate 202 are connected to the parallel circuit board 102 through wires.
[0030] Furthermore, in the above scheme, the connecting hole 301 penetrates along the thickness direction of the shell 3, one end of the main connecting line 6 is provided with a connection hole 301 that penetrates into the box and is connected to the parallel circuit board 102, the other end of the main connecting line 6 is sleeved with a double-core waterproof ring 601, and the second sealing structure 7 can clamp the outer surface of the main connecting line 6 at any position in the length direction through the clamping piece 702, and the main connecting line 6 can be loosened by rotating the screwing part 703 to facilitate the adjustment of the length of the main connecting line 6 exposed outside the shell 3. The part of the main connecting line 6 extending into the shell 3 is coiled in the retention chamber 101. Rotating the screwing part 703 to loosen the clamping piece 702 can extend or shorten the length of the main connecting line 6, so that it can adapt to swimming pool cleaning devices with different drive shells 3 sizes, and avoid the main connecting line 6 exposed outside the shell 3. Too long wire body causes bending and water seepage.
[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A battery waterproof structure used in a swimming pool cleaning device, characterized in that: The invention comprises a battery box (1) and a battery pack (2), wherein the battery box (1) comprises a shell (3) and a top cover (4), wherein the shell (3) and the top cover (4) are screwed together, a first sealing structure (5) is provided between the shell (3) and the top cover (4), a connection hole (301) is provided on one side of the shell (3), a retention chamber (101) is provided in the shell (3) at a position corresponding to the battery pack (2) and the connection hole (301), and a main connection line (101) is passed through the connection hole (301). 6), a second sealing structure (7) is sleeved on the outer surface of the connecting hole (301), the second sealing structure (7) comprises a plurality of clamping sheets (702) arranged at equal intervals in the circumferential direction around the connecting hole (301) and a screwing portion (703) sleeved on the outer surface of the clamping sheet (702), a sealing ring (704) is provided between the inner surface of the clamping sheet (702) and the outer surface of the main connecting line (6), and the sealing ring (704) is bonded and fixed to the inner surface of the clamping sheet (702).
2. The battery waterproof structure used in a swimming pool cleaning device according to claim 1, characterized in that: The upper edge of the shell (3) is provided with a first fitting surface (302) horizontally facing the top cover (4), and the lower edge of the top cover (4) is provided with a second fitting surface (401) horizontally facing the shell (3). The second fitting surface (401) is fitted with the first fitting surface (302) and fixed by screws.
3. The battery waterproof structure used in a swimming pool cleaning device according to claim 2, characterized in that: A sealing block (501) extending vertically upward is provided near the inner edge of the first fitting surface (302), and a sealing groove (502) opening vertically downward is provided at a position of the second fitting surface (401) corresponding to the sealing block (501), and a rubber layer (503) is bonded to the inner wall of the sealing groove (502).
4. The battery waterproof structure used in a swimming pool cleaning device according to claim 1, characterized in that: A connection column (701) extending toward the outside of the shell (3) is provided at a position on the outer surface of the shell (3) corresponding to the connection hole (301); the shell (3), the connection column (701) and the clamping piece (702) are an integrated structure; there are three clamping pieces (702), and a movable gap is reserved between two adjacent clamping pieces (702).
5. The battery waterproof structure used in a swimming pool cleaning device according to claim 4, characterized in that: An external thread (705) is provided around the outer surface of the connecting column (701), an internal thread (706) is provided on the inner surface of the screwing portion (703), and a through hole (707) is provided along the length direction of the screwing portion (703), and the diameter of one end of the through hole (707) that meshes with the connecting column (701) is larger than the diameter of one end of the through hole (707) that fits with the outer surface of the clamping piece (702).
6. The battery waterproof structure used in a swimming pool cleaning device according to claim 1, characterized in that: A parallel circuit board (102) is provided on one side of the retention chamber (101) close to the battery pack (2), a movable gap is reserved between the parallel circuit board (102) and the connection hole (301), and a positive parallel plate (201) and a negative parallel plate (202) are provided at the ends of the battery pack (2) in the length direction, respectively, and the positive parallel plate (201) and the negative parallel plate (202) are both connected to the parallel circuit board (102) via wires.
7. The battery waterproof structure used in a swimming pool cleaning device according to claim 6, characterized in that: The connection hole (301) penetrates along the thickness direction of the shell (3); one end of the main connection line (6) is provided along the connection hole (301) and penetrates into the box to be connected to the parallel circuit board (102); the other end of the main connection line (6) is provided with a double-core waterproof ring (601).