Power cable wall bushing
By designing a power cable through wall casing that includes a rotating plate, sealing ring and adaptation components, the problem of rainwater penetration and wall thickness adaptation when the power cable passes through the wall is solved, and the waterproof and adaptation effect is achieved.
Patent Information
- Application Number
- CN202421327551.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-12
AI Technical Summary
During the laying of power cables, rainwater is prone to penetrate into the room when passing through the wall, and it is difficult to adapt walls of different thicknesses.
A power cable through-wall sleeve is designed, including components such as a first sleeve, a rotating plate, a sealing ring and a second sleeve, which blocks rainwater from entering through the sealing ring and adapts to walls of different thicknesses through the second sleeve and the long screw.
Effectively prevent rainwater from entering the room, and can adapt to walls of different thicknesses to achieve stability and safety of power cables passing through the wall.
Smart Images

Figure CN222601954U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electric power, in particular to a wall bushing for electric power cables. Background Art
[0002] When laying power cables, they often need to pass through walls. When passing through walls, rainwater from the outside can easily flow into the room through the holes in the wall, and the thickness of different walls is also inconsistent. Therefore, a wall sleeve that can block rainwater from entering the room and can adapt to walls of different thicknesses is needed to replace the existing power cable wall sleeves. Utility Model Content
[0003] The utility model aims to provide a wall bushing for power cables to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above object, the utility model provides the following technical solutions: a power cable wall bushing, comprising a first sleeve, a first circular plate is provided on the left side of the first sleeve, the first circular plate is threadedly connected to a waterproof cover, the waterproof cover is rotatably connected to a rotating plate, the rotating plate is provided with three cable holes distributed in a circumferential array, each of the cable holes is fixedly connected to a sealing ring, each of the cable holes can be inserted with a power cable, and the sealing ring is used to block rainwater to prevent rainwater from flowing into the room;
[0005] A second circular plate is provided on the right side of the first sleeve, and a second sleeve is fixedly connected to the left end face of the second circular plate. The second sleeve, the second circular plate and the first sleeve are coaxially aligned, and the first sleeve is provided with a groove, and the second sleeve can slide in the groove, so that the second circular plate and the waterproof cover can be pressed against the inner and outer surfaces of walls of different thicknesses.
[0006] Advantageously, a branching block is fixedly connected in the first sleeve, and the branching block is provided with three cable channels coaxially aligned with the cable holes, so that different power cables can be separated and passed through the wall to avoid interference;
[0007] Advantageously, the line splitting block is provided with three positioning holes distributed in a circumferential array, and a fixing block fixedly connected to the first circular plate is provided on the left side of each positioning hole;
[0008] Advantageously, the right end surface of each first sleeve is fixedly connected to a connecting rod located in the positioning hole, and a threaded slot is provided in the connecting rod;
[0009] Advantageously, the left end surface of the second circular plate is fixedly connected with three positioning blocks aligned with the positioning holes, each of the positioning blocks is provided with a rod groove, the connecting rod can be inserted into the rod groove, thereby improving the stability of the sleeve;
[0010] Advantageously, the second circular plate is provided with three screw slots coaxially aligned with the connecting rod, each of the screw slots can be inserted with a long screw, and the long screw is screwed into the threaded slot of the connecting rod to fix the second sleeve and the first sleeve together, so that the second circular plate and the waterproof cover are closely attached to the inner and outer surfaces of the wall and fixedly installed;
[0011] Advantageously, the second circular plate is also provided with three cable holes coaxially aligned with the cable channel, and each of the cable holes is provided with a sealing ring fixedly connected to the second circular plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model is provided with a rotating plate, a sealing ring and a first sleeve, each cable hole can pass a cable, cooperates with the cable channel to pass through the wall, and the rotating plate and the first sleeve can be fixedly connected through the waterproof cover, and cooperates with the sealing ring to prevent rainwater from the outside from entering the room.
[0014] The utility model is provided with a second sleeve, a positioning block and a long screw. The positioning block on the positioning block is inserted into the positioning hole on the first sleeve, so that the first circular plate and the second circular plate can be pressed against the indoor and outdoor walls, and the long screw is screwed into the threaded groove hole to fix the first sleeve and the second sleeve on the wall, so as to adapt to walls of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0016] Figure 2 for Figure 1 A front view of
[0017] Figure 3 for Figure 2 AA cross-sectional diagram of ;
[0018] Figure 4 for Figure 3 BB cross-sectional diagram;
[0019] Figure 5 for Figure 3 A partial enlarged schematic diagram of
[0020] Figure 6 It is a three-dimensional schematic cross-sectional view of the first sleeve of the utility model;
[0021] Figure 7 It is a three-dimensional schematic cross-sectional view of the second sleeve of the utility model.
[0022] In the figure: 100, first sleeve; 101, first round plate; 102, waterproof cover; 103, second sleeve; 104, second round plate; 105, cable hole; 106, sealing ring; 107, long screw; 108, groove; 109, rotating plate; 110, fixed block; 111, branching block; 112, cable channel; 113, positioning block; 114, positioning hole; 115, connecting rod; 116, threaded slot; 117, rod slot; 118, screw slot. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Embodiment 1:
[0025] See also Figure 1-7 The utility model provides a technical solution: a power cable wall bushing, comprising a first sleeve 100, a first circular plate 101 is provided on the left side of the first sleeve 100, the first circular plate 101 is threadedly connected with a waterproof cover 102, the waterproof cover 102 is rotatably connected with a rotating plate 109, the rotating plate 109 is provided with three cable holes 105 distributed in a circumferential array, each of the cable holes 105 is fixedly connected with a sealing ring 106, each of the cable holes 105 can be inserted with a power cable, and the sealing ring 106 is used to block rainwater to prevent rainwater from flowing into the room;
[0026] A second circular plate 104 is provided on the right side of the first sleeve 100, and a second sleeve 103 is fixedly connected to the left end face of the second circular plate 104. The second sleeve 103, the second circular plate 104 and the first sleeve 100 are coaxially aligned, and the first sleeve 100 is provided with a groove 108. The second sleeve 103 can slide in the groove 108, so that the second circular plate 104 and the waterproof cover 102 can be pressed against the inner and outer surfaces of walls of different thicknesses.
[0027] A branching block 111 is fixedly connected inside the first sleeve 100, and the branching block 111 is provided with three cable channels 112 coaxially aligned with the cable hole 105, so that different power cables can be separated and passed through the wall to avoid interference;
[0028] The line dividing block 111 is provided with three positioning holes 114 distributed in a circumferential array, and a fixing block 110 fixedly connected to the first circular plate 101 is provided on the left side of each positioning hole 114;
[0029] The right end surface of each first sleeve 100 is fixedly connected with a connecting rod 115 located in the positioning hole 114, and a threaded slot hole 116 is provided in the connecting rod 115;
[0030] The left end surface of the second circular plate 104 is fixedly connected with three positioning blocks 113 aligned with the positioning holes 114. Each positioning block 113 is provided with a rod groove 117. The connecting rod 115 can be inserted into the rod groove 117 to improve the stability of the sleeve.
[0031] The second circular plate 104 is provided with three screw slots 118 coaxially aligned with the connecting rod 115, each of the screw slots 118 can be inserted with a long screw 107, and the long screw 107 is screwed into the threaded slot 116 of the connecting rod 115 to fix the second sleeve 103 and the first sleeve 100 together, so that the second circular plate 104 and the waterproof cover 102 are closely attached to the inner and outer surfaces of the wall and fixedly installed;
[0032] The second circular plate 104 is also provided with three cable holes 105 coaxially aligned with the cable channel 112 , and each of the cable holes 105 is provided with a sealing ring 106 fixedly connected to the second circular plate 104 .
[0033] Working principle:
[0034] First, place the first sleeve 100 on the outside of the wall and insert it into the previously drilled hole. The first circular plate 101 is against the outside of the wall. Then, the power cable is passed through the three cable holes 105 on the rotating plate 109, and then through the cable channel 112 in the branching block 111. The waterproof cover 102 is threadedly connected to the first circular plate 101, and the waterproof cover 102 is fixed on the first circular plate 101. When the waterproof cover 102 rotates, the rotating plate 109 remains different to prevent the cable from being entangled, thereby preventing rainwater from flowing into the room through the sealing ring 106;
[0035] Then, after the power cable passes through the cable hole 105 on the second circular plate 104, the second sleeve 103 is aligned with the first sleeve 100, and the positioning block 113 is inserted into the positioning hole 114. By sliding the first sleeve 100 on the groove 108 and pressing the second circular plate 104 against the indoor wall, the wall of different thicknesses can be adapted.
[0036] Finally, the long screw 107 is passed through each screw slot 118 and screwed into the threaded slot 116 in the connecting rod 115 to fix the connecting rod 115 and the second circular plate 104, so that the second circular plate 104 and the waterproof cover 102 can be installed close to the wall, completing the wall-penetrating installation of the power cable.
[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A power cable wall bushing, comprising a first sleeve (100), characterized in that: An integral first circular plate (101) is provided on the left side of the first sleeve (100); the first circular plate (101) is threadedly connected to a waterproof cover (102); the waterproof cover (102) is rotatably connected to a rotating plate (109); the rotating plate (109) is provided with three cable holes (105) distributed in a circumferential array; each of the cable holes (105) is fixedly connected to a sealing ring (106); A second circular plate (104) is provided on the right side of the first sleeve (100), and a second sleeve (103) is fixedly connected to the left end surface of the second circular plate (104); the second sleeve (103), the second circular plate (104) and the first sleeve (100) are coaxially aligned, and the first sleeve (100) is provided with a groove (108).
2. A power cable wall bushing according to claim 1, characterized in that: A line dividing block (111) is fixedly connected inside the first sleeve (100), and the line dividing block (111) is provided with three cable channels (112) coaxially aligned with the cable hole (105).
3. A power cable wall bushing according to claim 2, characterized in that: The line dividing block (111) is provided with three positioning holes (114) distributed in a circumferential array, and a fixing block (110) fixedly connected to the first circular plate (101) is provided on the left side of each positioning hole (114).
4. A power cable wall bushing according to claim 3, characterized in that: The right end surface of each first sleeve (100) is fixedly connected to a connecting rod (115) located in the positioning hole (114), and a threaded slot hole (116) is provided in the connecting rod (115).
5. The wall bushing for power cables according to claim 4, characterized in that: The left end surface of the second circular plate (104) is fixedly connected with three positioning blocks (113) aligned with the positioning holes (114) on the left and right, and each positioning block (113) is provided with a rod groove (117).
6. A power cable wall bushing according to claim 5, characterized in that: The second circular plate (104) is provided with three screw slots (118) coaxially aligned with the connecting rod (115), and each of the screw slots (118) can be inserted with a long screw (107), which is then screwed into the threaded slot (116) of the connecting rod (115).
7. The power cable wall bushing according to claim 6, characterized in that: The second circular plate (104) is also provided with three cable holes (105) coaxially aligned with the cable channel (112), and each of the cable holes (105) is provided with a sealing ring (106) fixedly connected to the second circular plate (104).