Wire inlet structure on branch box shield
The design of integrated copper busbar and closed busbar cover solves the problems of large copper busbar consumption and difficult connection, achieves a compact structure and simple installation, and enhances safety and protection effects.
Patent Information
- Application Number
- CN202422606410.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing top-inlet structure has the problem of large copper busbar consumption and difficult connection.
The design adopts an integrated copper busbar and closed busbar cover, and simple connection is achieved through piece-by-piece installation. The combination of screws and nuts enhances the connection strength, and the protective plate provides safety.
The copper busbar usage is reduced, the structure is compact, the installation is convenient, and the safety and protection effect are improved.
Smart Images

Figure CN223391069U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of branch box shield upper line-in structure, in particular to a branch box shield upper line-in structure. Background Art
[0002] The currently commonly used top incoming line has the problem of overturning the busbar, which has the problems of large copper busbar consumption and difficulty in connection, so it needs to be improved. Utility Model Content
[0003] The purpose of the utility model is to provide a branch box shield upper line entry structure to solve the problems raised in the above-mentioned background technology. It has the advantages of using an integrated busbar, no need to flip, simple connection, reduced copper busbar usage, compact structure, and safer protection.
[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an upper incoming line structure of a branch box shield, comprising a box body, an upper terminal block provided on the upper side of the box body, an upper incoming line connected to the upper terminal block, an integral copper busbar connected to the other end of the integral copper busbar, a closed busbar cover provided, the closed busbar cover comprising first closing plates on both sides, a second closing plate clamped on the side facing each other of the two first closing plates, a third closing plate clamped between the two second closing plates, a first accommodating groove provided on the side of the first closing plate facing the second closing plate, the second closing plate comprising a first extension located in the first accommodating groove, second accommodating grooves provided on both sides of the third closing plate, the second closing plate comprising a second extension located in the second accommodating groove, the first closing plate, the second closing plate and the third closing plate being penetrated by a first screw rod and a first nut cooperating with the first screw rod.
[0005] By adopting the above technical solution, an integrated busbar is used, which does not require flipping and is easily connected, thus reducing the amount of copper busbars used. The structure is compact and the protection is safer. The closed busbar cover is installed piece by piece from front to back: this wiring method is more compact, stronger and more convenient to install while meeting the creepage distance. The first closing plate is pre-installed, and then the second closing plate is clamped together through the cooperation of the first accommodating groove and the first extension. Then, the third closing plate is installed through the cooperation of the second extension and the second accommodating groove, and then another second closing plate and the first closing plate are installed to achieve the overall installation. Finally, the first closing plate, the second closing plate and the third closing plate are connected together through the cooperation of the first screw and the first nut.
[0006] As a further solution of the present invention: the side of the first closing plate is integrally connected with a surrounding plate, and the second closing plate is integrally connected with a pasting plate on one side of the surrounding plate.
[0007] By adopting the above technical solution, when the first closing plate and the second closing plate are clamped together, the enclosure plate and the attachment plate are attached together, thereby increasing the connection strength between the two.
[0008] As a further solution of the present invention: the first closing plate, the second closing plate and the third closing plate are penetrated by a second screw rod arranged at the lower side and a second nut matched with the second screw rod.
[0009] By adopting the above technical solution, the connection strength among the first closing plate, the second closing plate and the third closing plate is increased by utilizing the cooperation between the second screw and the second nut.
[0010] As a further solution of the present invention: a first fixing plate is integrally connected to one side of the first closing plate, the first fixing plate is provided with a first inwardly recessed slot, and the second closing plate is integrally connected to a first clip plate that is clipped into the first clip slot.
[0011] By adopting the above technical solution, the first card plate can be inserted into the first card slot to increase the connection strength between the two.
[0012] As a further solution of the present invention: both sides of the third closing plate are integrally connected with a second fixing plate, the second fixing plate is provided with a second inwardly recessed slot, and the second closing plate is integrally connected with a second clip plate that is clipped into the second clip slot.
[0013] By adopting the above technical solution, the second clamping plate is clamped into the second clamping slot, thereby increasing the connection strength between the second closing plate and the third closing plate.
[0014] Preferably, a base is further included, the base is provided with a mounting groove, and the first closing plate, the second closing plate and the third closing plate are all integrally connected with a mounting block in the mounting groove.
[0015] As a further solution of the present invention: a first protective plate and a second protective plate are installed on the outer side of the integrated copper busbar.
[0016] By adopting the above technical solution, the first protective plate and the second protective plate play a protective role.
[0017] Compared with the prior art, the beneficial effects of the present invention are:
[0018] Use an integrated busbar, no need to flip, simple connection, reduce the amount of copper busbar, compact structure, safer protection, the closed busbar cover is installed piece by piece from front to back: this wiring method is more compact, strong and convenient to install under the condition of meeting the creepage distance. Pre-install the first closed plate, and then let the second closed plate be clamped with the first closed plate through the cooperation of the first accommodating groove and the first extension. Then install the third closed plate through the cooperation of the second extension and the second accommodating groove, and then install another second closed plate and the first closed plate to realize the overall installation. Finally, the first closed plate, the second closed plate and the third closed plate are connected together through the cooperation of the first screw and the first nut. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural diagram of an embodiment;
[0020] Figure 2 This is a schematic diagram of the structure of the embodiment after removing the first protective plate and the second protective plate;
[0021] Figure 3 It is a structural diagram of a closed busbar cover;
[0022] Figure 4 for Figure 3 Structural diagram from another perspective;
[0023] Figure 5 for Figure 4 A partial enlarged view of area A in the middle;
[0024] Figure 6 is a structural schematic diagram of the first closing plate;
[0025] Figure 7 is a structural schematic diagram of the second closing plate;
[0026] Figure 8 This is a schematic diagram of the structure of the enclosed busbar cover after removing the first closing plate;
[0027] Figure 9 This is a schematic diagram of the structure of the third closing plate in the closed busbar cover.
[0028] In the figure: 1. Box body; 2. First closing plate; 3. Second closing plate; 4. Third closing plate; 5. First accommodating groove; 6. First extension portion; 7. Second accommodating groove; 8. Second extension portion; 9. First screw; 10. Mounting block; 11. Enclosure; 12. Sticking plate; 13. Second screw; 14. Mounting groove; 15. First fixing plate; 16. First card slot; 17. First card plate; 18. Second fixing plate; 19. Second card slot; 20. Second card plate; 21. Base; 22. Upper terminal block; 23. Integrated copper busbar; 24. First protective plate; 25. Second protective plate. DETAILED DESCRIPTION
[0029] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0030] In the embodiment of the present utility model,
[0031] A branch box shield upper line entry structure, such as Figures 1-9 As shown, it includes a box body 1, an upper wiring board 22 is provided on the upper side of the box body 1, the upper wiring board 22 is connected to the upper incoming line, the upper wiring board 22 is connected to an integrated copper busbar 23, and the other end of the integrated copper busbar 23 is provided with a closed busbar cover, the closed busbar cover includes a first closing plate 2 on both sides, the two first closing plates 2 are clamped with a second closing plate 3 on the side facing each other, and a third closing plate 4 is clamped between the two second closing plates 3, the first closing plate 2 is provided with a first accommodating groove 5 on the side facing the second closing plate 3, the second closing plate 3 includes a first extension portion 6 in the first accommodating groove 5, and second accommodating grooves 7 are provided on both sides of the third closing plate 4, the second closing plate 3 includes a second extension portion 8 in the second accommodating groove 7, the first closing plate 2, the second closing plate 3 and the third closing plate 4 are penetrated by a first screw 9 and a first nut matched with the first screw 9.
[0032] The side surface of the first closing plate 2 is integrally connected to a surrounding plate 11 , and the second closing plate 3 is integrally connected to a pasting plate 12 on one side of the surrounding plate 11 .
[0033] The first closing plate 2 , the second closing plate 3 and the third closing plate 4 are penetrated by a second screw rod 13 disposed on the lower side and a second nut matched with the second screw rod 13 .
[0034] A first fixing plate 15 is integrally connected to one side of the first closing plate 2 . The first fixing plate 15 is provided with a first inwardly recessed slot 16 . The second closing plate 3 is integrally connected to a first clamping plate 17 that is clamped into the first clamping slot 16 .
[0035] The second fixing plates 18 are integrally connected to both sides of the third closing plate 4 . The second fixing plates 18 are provided with second inwardly recessed slots 19 . The second closing plate 3 is integrally connected to a second clamping plate 20 that is clamped into the second clamping slots 19 .
[0036] The base 21 is further provided with a mounting groove 14 , and the first closing plate 2 , the second closing plate 3 and the third closing plate 4 are all integrally connected with a mounting block 10 in the mounting groove 14 .
[0037] A first protective plate 24 and a second protective plate 25 are installed on the outer side of the integrated copper busbar.
[0038] Working principle:
[0039] Use an integrated busbar, no need to flip, simple connection, reduce the amount of copper busbar, compact structure, safer protection, the closed busbar cover is installed piece by piece from front to back: this wiring method is more compact, strong and convenient to install under the condition of meeting the creepage distance. Pre-install the first closed plate 2, and then let the second closed plate 3 be clamped with the first accommodating groove 5 and the first extension 6. Then install the third closed plate 4 through the cooperation of the second extension 8 and the second accommodating groove 7, and then install another second closed plate 3 and the first closed plate 2 to realize the overall installation. Finally, the first closed plate 2, the second closed plate 3 and the third closed plate 4 are connected together through the cooperation of the first screw 9 and the first nut 10.
[0040] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A branch box shield upper line inlet structure, comprising a box body (1), characterized in that: An upper terminal block (22) is provided on the upper side of the box body (1), the upper terminal block (22) is connected to an upper incoming line, the upper terminal block (22) is connected to an integral copper busbar (23), the other end of the integral copper busbar (23) is provided with a closed busbar cover, the closed busbar cover comprises first closing plates (2) on both sides, a second closing plate (3) is clamped on one side of the two first closing plates (2) facing each other, a third closing plate (4) is clamped between the two second closing plates (3), the first closing plate (2) faces the second closing plate (3), and the third closing plate (4) is clamped between the two second closing plates (3). A first receiving groove (5) is provided on one side of the second closing plate (3), the second closing plate (3) includes a first extension portion (6) located in the first receiving groove (5), second receiving grooves (7) are provided on both sides of the third closing plate (4), the second closing plate (3) includes a second extension portion (8) located in the second receiving groove (7), and the first closing plate (2), the second closing plate (3) and the third closing plate (4) are provided with a first screw (9) provided on the upper side and a first nut matched with the first screw (9).
2. The branch box shield upper line inlet structure according to claim 1, characterized in that: The side surface of the first closing plate (2) is integrally connected to a surrounding plate (11), and the second closing plate (3) is integrally connected to a pasting plate (12) on one side of the surrounding plate (11).
3. The branch box shield upper line inlet structure according to claim 1, characterized in that: The first closing plate (2), the second closing plate (3) and the third closing plate (4) are penetrated by a second screw rod (13) arranged on the lower side and a second nut matched with the second screw rod (13).
4. The branch box shield upper line inlet structure according to claim 1, characterized in that: One side of the first closing plate (2) is integrally connected to a first fixing plate (15), the first fixing plate (15) is provided with a first inwardly recessed slot (16), and the second closing plate (3) is integrally connected to a first clamping plate (17) clamped in the first clamping slot (16).
5. The branch box upper shield upper line inlet structure according to claim 1, characterized in that: Both sides of the third closing plate (4) are integrally connected with a second fixing plate (18), the second fixing plate (18) is provided with a second inwardly recessed card slot (19), and the second closing plate (3) is integrally connected with a second card slot (20) that is inserted into the second card slot (19).
6. The branch box upper shield upper line inlet structure according to claim 1, characterized in that: The invention also includes a base (21), wherein the base (21) is provided with a mounting groove (14), and the first closing plate (2), the second closing plate (3) and the third closing plate (4) are all integrally connected with a mounting block (10) located in the mounting groove (14).
7. The branch box shield upper line inlet structure according to claim 1, characterized in that: A first protective plate (24) and a second protective plate (25) are installed on the outer side of the integrated copper busbar (23).