Combined bus duct
By designing the limit grooves, guide ribs and fixing components of the combined bus duct, the problem of the fixed length limitation of the bus duct is solved, the stable installation of the busbar body and the flexible assembly of multi-slot boxes are achieved, which adapts to different length requirements and reduces production costs.
Patent Information
- Application Number
- CN202521635965.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-04
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2035-08-04
AI Technical Summary
Existing bus ducts can only install and fix busbars within a small length range, which has limitations in use.
A combined bus duct is designed, which includes a trough box, a top cover, first and second insulating parts, a fixing assembly and a connecting assembly. The stable installation of the busbar body and the assembly and fixation of multiple trough boxes are achieved through structures such as limit grooves, guide ribs, pressing blocks and fixing bolts.
It realizes the stable installation of the busbar body and the flexible assembly of multi-slot boxes, adapts to different length requirements, and reduces the cost of producing busbar ducts of different lengths.
Smart Images

Figure CN223321763U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bus ducts, in particular to a combined bus duct. Background Art
[0002] With the rapid growth of electricity demand in modern industry, commercial buildings and data centers, traditional cable transmission methods have become difficult to meet the needs of high-density, large-capacity power transmission due to problems such as limited current carrying capacity, low heat dissipation efficiency and large space occupation. Therefore, combined bus ducts are needed to meet the corresponding usage requirements.
[0003] Chinese patent CN219394368U discloses an insulated, densely packed bus duct, comprising a bus duct box, an insulating cover disposed on the upper side of the box, and mounting plates fixedly connected to both sides of the insulating cover and the box. The two mounting plates are internally threaded with a plurality of mounting bolts. The insulated bus duct is assembled by installing the insulating cover, mounting plates, rubber insulating pads, and springs. Mounting bolts are then passed through the two mounting plates to install the bus duct box and insulating cover, and then the busbar body is installed.
[0004] The bus duct box in the above patent can only be used to install and fix busbars within a small length range, and has limitations in use. Utility Model Content
[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a combined bus duct to solve the technical problem that the bus duct in the prior art can only install and fix busbars within a small length range.
[0006] In order to solve the above technical problems, the utility model provides a combined bus duct, including a trough box and a top cover, wherein the trough box is provided with a receiving cavity that penetrates the trough box in the front-to-back direction and forms an opening at the top end of the trough box, and the top cover is closed on the top end of the trough box, wherein the utility model further comprises:
[0007] A plurality of first insulating members are arranged at equal intervals along the front-to-back direction at the bottom end of the slot box, and a top end of each first insulating member is provided with a plurality of first limiting grooves distributed at equal intervals along the left-to-right direction and used to accommodate the busbar body;
[0008] A plurality of second insulating members are detachably connected to the slot box and correspond one-to-one with the plurality of first insulating members. A plurality of second limiting grooves for accommodating the busbar body are provided at the bottom end of each second insulating member. The plurality of second limiting grooves correspond one-to-one with the plurality of first limiting grooves;
[0009] A fixing assembly is provided on the trough box and the top cover and is used to fix the trough box and the top cover;
[0010] The connecting assembly is arranged on the trough box and is used to assemble and fix adjacent trough boxes.
[0011] After adopting the above structure, the utility model has the following advantages: each first limiting groove corresponds to a busbar body, the busbar body is inserted into the first limiting groove, and then the second insulating member is installed so that the upper end of the busbar body is inserted into the second limiting groove, and then the top cover is closed and fixed with the fixing assembly to complete the installation and fixation of the busbar body, and multiple trough boxes can be assembled and fixed along the front and rear directions using the connecting assembly, so as to adapt to busbar bodies of different lengths, with a wider range of applicability, reducing the cost caused by the production of busbar ducts of different lengths.
[0012] As an improvement, the connecting assembly includes a first kit, a pin and a fixing bolt. The pin is slidably connected to the front end of the side wall of the trough box along the front-to-back direction. The first kit is arranged at the rear end of the side wall of the trough box. A threaded hole is provided on the pin. When two adjacent trough boxes are assembled, the pin is inserted into the first kit of the adjacent trough box and the fixing bolt passes through the first kit and is threadedly connected to the threaded hole. With this structure, after the pin is inserted into the first kit, it is fixed with the fixing bolt to achieve a stable connection between adjacent trough boxes.
[0013] As an improvement, the connecting assembly also includes a second set of components, which is arranged at the front end of the side wall of the slot box, and the pin is slidably connected in the second set of components; using this structure, the sliding connection of the pin on the side wall of the slot box is realized.
[0014] As an improvement, a number of pressing blocks are provided at the bottom end of the top cover, which are evenly spaced along the front-to-back direction. When the top cover is closed on the top end of the trough box, each pressing block abuts against the top end of a second insulating member. With this structure, the pressing blocks are used to press and fix the second insulating member when the top cover is closed, thereby improving the stability of the second insulating member connected to the busbar body.
[0015] As an improvement, several pairs of guide ribs are provided on the left and right opposite inner walls of the trough box at equal intervals along the front-to-back direction, and each pair of guide ribs includes two guide ribs arranged at intervals along the front-to-back direction. The several guide ribs on the left inner wall of the trough box correspond one to one with the several guide ribs on the right inner wall of the trough box. The left end of the second insulating member is clamped between a pair of guide ribs on the left inner wall of the trough box, and the right end of the second insulating member is clamped between a pair of guide ribs on the right inner wall of the trough box. With this structure, the second insulating member is limited and fixed by the guide ribs, which facilitates the installation of the second insulating member.
[0016] As an improvement, protrusions are provided on both sides of the left and right directions of the bottom end of the top cover, and a groove is provided at the bottom end of each protrusion, and the groove passes through the protrusion in the front-to-back direction. When the top cover is closed on the top of the trough box, the top of the trough box is stuck in the groove; this structure improves the stability of the connection between the top cover and the trough box.
[0017] As an improvement, the fixing assembly includes a third kit, a base and an arc-shaped insertion rod. The third kit is arranged on the outer wall of the trough box, the base is arranged on the outer wall of the top cover, and one end of the arc-shaped insertion rod is rotatably connected to the base, and the other end of the arc-shaped insertion rod is inserted into the third kit by rotating the arc-shaped insertion rod. With this structure, the arc-shaped insertion rod is connected and fixed to the third kit by rotating the arc-shaped insertion rod so that the other end of the arc-shaped insertion rod is inserted into the third kit, thereby completing the connection and fixation of the top cover and the trough box, and improving the convenience of connection between the top cover and the trough box.
[0018] As an improvement, the fixing assembly also includes a top screw, which is threadedly connected to the base and can be rotated so that the top screw is abutted against one end of the arc-shaped insertion rod; with this structure, the top screw is used to lock the arc-shaped insertion rod to prevent the arc-shaped insertion rod from detaching from the third kit, thereby improving the stability of the connection between the top cover and the trough box.
[0019] As an improvement, a fourth kit is provided on the outer wall of the top cover, and a positioning pin is provided on the outer wall of the trough box. When the top cover is closed on the top of the trough box, the positioning pin is inserted into the fourth kit; this structure improves the positioning effect between the trough box and the top cover.
[0020] As an improvement, the two ends of the trough box in the front and rear directions are detachably connected with side panels, and the side panels are provided with through holes for the busbar body to pass through; adopting this structure, the protection effect of the trough box on the busbar body is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a structural diagram of the utility model when the top cover is closed on the top of the trough box.
[0022] Figure 2 This is a schematic diagram of the structure of the utility model when the top cover is opened.
[0023] Figure 3 It is a structural schematic diagram of the top cover in the utility model.
[0024] Figure 4 This is a structural diagram of the middle slot box of the utility model.
[0025] Figure 5 It is a structural diagram of the connection component in the utility model.
[0026] Figure 6 It is a structural schematic diagram of the fixing component in the utility model.
[0027] Figure numerals: 1. trough box; 2. second insulating part; 3. busbar body; 4. top cover; 5. groove; 6. second set; 7. pin; 8. threaded hole; 9. first set; 10. fixing bolt; 11. third set; 12. base; 13. arc-shaped plug rod; 14. top screw; 15. pressing block; 16. guide rib; 17. fourth set; 18. positioning pin; 19. side plate; 20. first insulating part. DETAILED DESCRIPTION
[0028] The following is a detailed description of a combined bus duct of the present invention with reference to the accompanying drawings.
[0029] like Figures 1 to 6 As shown, a combined bus duct includes a trough box 1 and a top cover 4. The trough box 1 is provided with a receiving cavity that penetrates the trough box 1 along the front-to-back direction and forms an opening at the top of the trough box 1, so that the trough box 1 is U-shaped as a whole. The top cover 4 covers the top of the trough box 1. It also includes a plurality of first insulating members 20, a plurality of second insulating members 2, a fixing assembly and a connecting assembly. In this embodiment, the length direction of the trough box 1 is the front-to-back direction, and the width direction of the trough box 1 is the left-to-right direction. The specific directions are as follows: Figure 1 shown.
[0030] like Figure 4 As shown, several first insulating members 20 are arranged at equal intervals along the front-to-back direction at the bottom end of the trough box 1, and the top of each first insulating member 20 is provided with several first limiting grooves evenly distributed along the left-to-right direction and used to accommodate the busbar body 3, and each first insulating member 20 can be integrally formed with the trough box 1 or fixed to the trough box 1 by bolts.
[0031] like Figure 2 As shown, several second insulating members 2 are detachably connected to the trough box 1 and correspond one-to-one with several first insulating members 20, that is, a second insulating member 2 is arranged above each first insulating member 20, and a plurality of second limiting grooves for accommodating the busbar body 3 are provided at the bottom end of each second insulating member 2, and the plurality of second limiting grooves correspond one-to-one with the plurality of first limiting grooves, that is, a second limiting groove is provided above each first limiting groove; the busbar body 3 is arranged along the front-to-back direction, the lower end of the busbar body 3 is clamped in the first limiting groove, and the upper end of the busbar body 3 is clamped in the second limiting groove; in this embodiment, the first insulating member 20 and the second insulating member 2 are both made of insulating rubber.
[0032] like Figure 2 and Figure 4As shown, a plurality of pairs of guide ribs 16 are provided on the two opposite inner walls of the trough box 1 at equal intervals along the front-to-back direction, and each pair of guide ribs 16 includes two guide ribs 16 spaced apart along the front-to-back direction. The plurality of guide ribs 16 on the left inner wall of the trough box 1 and the plurality of guide ribs 16 on the right inner wall of the trough box 1 correspond one to one to the left, and the left end of the second insulating member 2 is clamped between the pair of guide ribs 16 on the left inner wall of the trough box 1, and the right end of the second insulating member 2 is clamped between the pair of guide ribs 16 on the right inner wall of the trough box 1.
[0033] The spacing between each pair of guide ribs 16 matches the width of the second insulating member 2. When the second insulating member 2 is inserted between the two guide ribs 16 of a pair of guide ribs 16, the front and rear end surfaces of the second insulating member 2 respectively abut against the front and rear guide ribs 16, thereby providing guidance and position control for the second insulating member 2. Since the first insulating member 20 remains connected to the trough box 1 during use and does not need to be removed, the guide ribs 16 primarily serve as a guide and position control for the second insulating member 2. Since the first insulating member 20 and the second insulating member 2 are positioned vertically correspondingly and have the same width, the front and rear end surfaces of the first insulating member 20 also abut against the front and rear guide ribs 16.
[0034] like Figure 2 As shown, the top cover 4 has protrusions on both sides of the bottom in the left and right directions, and each protrusion has a groove 5 at the bottom end, and the groove 5 extends through the protrusion in the front-to-back direction. When the top cover 4 is closed on the top of the trough box 1, the top of the trough box 1 is snapped into the groove 5. Specifically, because the trough box 1 is provided with a receiving cavity that extends through the trough box 1 in the front-to-back direction and forms an opening at the top of the trough box 1, the receiving cavity forms a plate-like structure on the left and right sides of the trough box 1, and the two plate-like structures are respectively inserted into the grooves 5 of the two protrusions.
[0035] The fixing assembly is provided on the trough box 1 and the top cover 4 and is used to fix the trough box 1 and the top cover 4; Figure 6 As shown, the fixing assembly includes a third kit 11, a base 12, an arc-shaped plug rod 13 and a top screw 14. The third kit 11 is arranged on the outer wall of the trough box 1, and the base 12 is arranged on the outer wall of the top cover 4. One end of the arc-shaped plug rod 13 is rotatably connected to the base 12, and the other end of the arc-shaped plug rod 13 is inserted into the third kit 11 by rotating the arc-shaped plug rod 13. The top screw 14 is threadedly connected to the base 12 and the top screw 14 is rotated so that the top screw 14 is against one end of the arc-shaped plug rod 13. Specifically, the other end of the arc-shaped plug rod 13 in this embodiment forms a rotating shaft, which is rotatably connected to the base 12. The top screw 14 is threadedly connected to the base 12 and is against the rotating shaft.
[0036] In addition, if Figure 2 As shown, a fourth set 17 is provided on the outer wall of the top cover 4 , and a positioning pin 18 is provided on the outer wall of the trough box 1 . When the top cover 4 is closed on the top of the trough box 1 , the positioning pin 18 is inserted into the fourth set 17 .
[0037] like Figure 3 As shown, a plurality of pressing blocks 15 are provided at the bottom end of the top cover 4 at equal intervals along the front-to-back direction. When the top cover 4 is closed on the top end of the trough box 1, each pressing block 15 abuts against the top end of a second insulating member 2. The pressing block 15 causes the first insulating member 20 and the second insulating member 2 to undergo elastic deformation, making the fixation of the busbar body 3 more stable and reliable.
[0038] like Figure 1 As shown, the two ends of the trough box 1 in the front-to-back direction are detachably connected with side panels 19, and the side panels 19 are provided with through holes for the busbar body 3 to pass through. In this embodiment, the side panels 19 are fixedly connected to the two ends of the trough box 1 by bolts.
[0039] The connecting assembly is provided on the trough box 1 and is used to assemble and fix adjacent trough boxes 1; Figure 4 and Figure 5 As shown, the connecting assembly includes a first kit 9, a latch 7, a second kit 6 and a fixing bolt 10. The latch 7 is slidably connected to the front end of the side wall of the trough box 1 along the front-to-back direction. Specifically, the second kit 6 is arranged at the front end of the side wall of the trough box 1, and the latch 7 is slidably connected to the second kit 6. The kits in this embodiment are all parts with a through hole running through the middle; the first kit 9 is arranged at the rear end of the side wall of the trough box 1, and the latch 7 is provided with a threaded hole 8. When two adjacent trough boxes 1 are assembled, the latch 7 is inserted into the first kit 9 of the adjacent trough box 1, and the threaded hole 8 also enters the first kit 9. Then, the fixing bolt 10 passes through the first kit 9 and is threadedly connected to the threaded hole 8, thereby fixing the latch 7 to the first kit 9.
[0040] In this embodiment, each first limiting groove corresponds to a busbar body 3, the busbar body 3 is inserted into the first limiting groove, and then the second insulating member 2 is installed so that the upper end of the busbar body 3 is inserted into the second limiting groove, and then the top cover 4 is closed and fixed with a fixing assembly to complete the installation and fixation of the busbar body 3, and multiple trough boxes 1 can be assembled and fixed along the front and back directions using connecting components, thereby adapting to busbar bodies 3 of different lengths, with a wider range of applications, reducing the cost of producing busbar ducts of different lengths. Figure 1 The figure shows two trough boxes 1 spliced together in the front-to-back direction, and according to the use requirements, the third, fourth or even more trough boxes 1 can be spliced together.
[0041] The above describes the implementation mode of the present invention in detail with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned implementation mode. All other embodiments obtained by those skilled in the art without making any creative work shall fall within the scope of protection of the present invention.
Claims
1. A combined bus duct, comprising a trough box (1) and a top cover (4), wherein the trough box (1) is provided with a receiving cavity penetrating the trough box (1) in a front-to-back direction and the receiving cavity forms an opening at the top end of the trough box (1), and the top cover (4) is covered on the top end of the trough box (1), characterized in that: Also includes: A plurality of first insulating members (20) are arranged at equal intervals along the front-to-back direction at the bottom end of the inner portion of the trough box (1), and a top end of each of the first insulating members (20) is provided with a plurality of first limiting grooves which are distributed at equal intervals along the left-to-right direction and are used to accommodate the busbar body (3); A plurality of second insulating members (2) are detachably connected to the slot box (1) and correspond one-to-one with the plurality of first insulating members (20) in the upper and lower directions. The bottom end of each second insulating member (2) is provided with a plurality of second limiting grooves for accommodating the busbar body (3). The plurality of second limiting grooves correspond one-to-one with the plurality of first limiting grooves in the upper and lower directions. A fixing assembly, provided on the trough box (1) and the top cover (4) and used to fix the trough box (1) and the top cover (4); A connecting assembly is provided on the trough box (1) and is used to assemble and fix adjacent trough boxes (1).
2. The combined bus duct according to claim 1, characterized in that: The connecting assembly comprises a first set (9), a latch (7) and a fixing bolt (10), wherein the latch (7) is slidably connected to the front end of the side wall of the trough box (1) along the front-back direction, and the first set (9) is arranged at the rear end of the side wall of the trough box (1). A threaded hole (8) is provided on the latch (7). When two adjacent trough boxes (1) are assembled, the latch (7) is inserted into the first set (9) of the adjacent trough boxes (1) and the fixing bolt (10) passes through the first set (9) and is threadedly connected to the threaded hole (8).
3. The combined bus duct according to claim 2, characterized in that: The connecting assembly further comprises a second set (6), the second set (6) being arranged at the front end of the side wall of the trough box (1), and the latch (7) being slidably connected in the second set (6).
4. The combined bus duct according to claim 1, characterized in that: The bottom end of the top cover (4) is provided with a plurality of pressing blocks (15) distributed at equal intervals along the front-to-back direction. When the top cover (4) is closed on the top end of the trough box (1), each pressing block (15) abuts against the top end of one of the second insulating members (2).
5. The combined bus duct according to claim 1, characterized in that: A plurality of pairs of guide ribs (16) are provided on the left and right opposing inner walls of the trough box (1) at equal intervals along the front-to-back direction, and each pair of guide ribs (16) includes two guide ribs (16) spaced apart along the front-to-back direction. The plurality of guide ribs (16) on the left inner wall of the trough box (1) correspond to the plurality of guide ribs (16) on the right inner wall of the trough box (1) on a one-to-one basis. The left end of the second insulating member (2) is clamped between the pair of guide ribs (16) on the left inner wall of the trough box (1), and the right end of the second insulating member (2) is clamped between the pair of guide ribs (16) on the right inner wall of the trough box (1).
6. The combined bus duct according to claim 1, characterized in that: Both sides of the bottom end of the top cover (4) in the left and right directions are provided with protrusions, and the bottom end of each protrusion is provided with a groove (5), and the groove (5) passes through the protrusion in the front-back direction. When the top cover (4) is covered on the top end of the trough box (1), the top end of the trough box (1) is inserted into the groove (5).
7. The combined bus duct according to claim 1, characterized in that: The fixing assembly comprises a third set (11), a base (12) and an arc-shaped insertion rod (13), wherein the third set (11) is arranged on the outer wall of the trough box (1), the base (12) is arranged on the outer wall of the top cover (4), one end of the arc-shaped insertion rod (13) is rotatably connected to the base (12), and the other end of the arc-shaped insertion rod (13) is inserted into the third set (11) by rotating the arc-shaped insertion rod (13).
8. The combined bus duct according to claim 7, characterized in that: The fixing assembly further comprises a top screw (14), wherein the top screw (14) is threadedly connected to the base (12) and the top screw (14) is rotated so that the top screw (14) abuts against one end of the arc-shaped insertion rod (13).
9. The combined bus duct according to claim 1, characterized in that: A fourth set (17) is provided on the outer wall of the top cover (4), and a positioning pin (18) is provided on the outer wall of the trough box (1). When the top cover (4) is closed on the top of the trough box (1), the positioning pin (18) is inserted into the fourth set (17).
10. The combined bus duct according to claim 1, characterized in that: Both ends of the trough box (1) in the front-to-back direction are detachably connected to side plates (19), and the side plates (19) are provided with through holes for the busbar body (3) to pass through.
Citation Information
Patent Citations
Insulated intensive bus duct
CN219394368U