A type of busbar trunking with adjustable copper busbar quantity

Abstract

This utility model discloses an adjustable copper busbar trunking system in the field of busbar trunking technology. It includes a base, a fixing frame, a fixing plate, and fixed copper busbars. The fixing frame is fixedly connected to the bottom of the inner sidewall of the base. The fixing plate is located above the fixing frame. The fixed copper busbars are fixedly connected to the bottom of the inner sidewall of the base and located inside the fixing frame. The top of the fixing frame has a first groove, arranged sequentially from front to back. A second groove is formed in the middle of the front and rear sides of the inner sidewall of the first groove. A connecting copper busbar is inserted into the inner cavity of the first groove. A limit block is fixedly connected to the right side of the outer sidewall of the connecting copper busbar. The top of the fixing frame has a first connecting groove. This adjustable copper busbar trunking system has a reasonable structural design, making the overall connection more robust, ensuring conductivity, and featuring a quick-release structure for higher adjustment efficiency and better internal heat dissipation.

Description

Technical Field

[0001] This utility model relates to the field of busbar technology, specifically to a busbar with adjustable copper busbar quantity. Background Technology

[0002] Busbar trunking is a high-efficiency power transmission device, mainly used for transmitting and distributing electrical energy in low-voltage power distribution systems. It is especially suitable for power distribution scenarios with high current (usually 630A and above). It uses copper or aluminum busbars as the conductive medium to replace traditional cables. It has advantages such as large transmission capacity, flexible installation, and convenient maintenance. It is widely used in high-rise buildings, industrial plants, data centers, rail transit and other fields.

[0003] Patent CN210326899U discloses a novel busbar trunking with adjustable copper busbar quantity, comprising a U-shaped lower box, a U-shaped upper box fixedly connected inside the U-shaped box, multiple fixed copper busbars fixedly connected to the inner wall of the lower box, multiple fixing holes corresponding to the fixed copper busbars on the left and right side walls of the upper box, connecting copper busbars movably fitted into the fixing holes, fastening screws threaded onto the front side wall of the upper box, slots on the left and right side walls of the fixed copper busbars, one end of the connecting copper busbar located in the slot, two conductive springs symmetrically fixedly connected to the slot wall, the connecting copper busbar located between the two conductive springs, and wire through holes on the side wall of the connecting copper busbar. This invention can quickly adjust the number of copper busbars according to actual needs, effectively improving the applicability of the busbar trunking.

[0004] The aforementioned patent achieves the adjustment of the number of copper busbars through slots and conductive springs. However, in actual use, the connection between the copper busbars is not firm. Under vibration, the connecting copper busbars will shake in the slot, resulting in an unstable connection, poor conductivity, and low adjustment efficiency. Utility Model Content

[0005] The purpose of this utility model is to provide a busbar trunking with an adjustable number of copper busbars to solve the problems mentioned in the background art, such as the weak connection between copper busbars in actual use, the shaking of the connecting copper busbars in the slot under vibration, the weak connection, poor conductivity stability, and low adjustment efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a busbar trunking with adjustable copper busbar quantity, comprising a base, a fixing frame, a fixing plate, and fixing copper busbars. The fixing frame is fixedly connected to the bottom of the inner sidewall of the base, the fixing plate is located above the fixing frame, and the fixing copper busbars are fixedly connected to the bottom of the inner sidewall of the base and located inside the fixing frame. A first groove is formed on the top of the fixing frame, and the copper busbars are arranged sequentially from front to back. A second groove is formed in the middle of the front and rear sides of the inner sidewall of the first groove. A connecting copper busbar is inserted into the inner cavity of the first groove. A limit block is fixedly connected to the right side of the outer sidewall of the connecting copper busbar. A second groove is formed on the top of the fixing frame. A first connecting groove has a second connecting groove on the left and right sides of its inner sidewall. A third connecting groove is formed on the front and back sides of the top of the fixing plate. A screw is inserted into the inner cavity of the third connecting groove, and a locking block is fixedly connected to the bottom end of the screw. A third groove is formed at both ends of the fixing copper busbar, and a conductive spring is fixedly connected to the inner sidewall of the third groove. A fourth groove is formed on the front and back sides of the top of the fixing copper busbar, and a magnet is fixedly connected to the bottom of the inner cavity of the fourth groove. A positioning plate is provided above the fourth groove, and iron rods are fixedly connected to the bottom sides of the positioning plate. Springs are fixedly connected to the bottom sides of the fixing plate, and pressure plates are fixedly connected to the bottom ends of the springs.

[0007] As a further description of the above technical solution:

[0008] The base has a threaded hole at its top, and a cover plate is provided at the top of the base, with heat dissipation holes at the top of the cover plate.

[0009] As a further description of the above technical solution:

[0010] Tightening screws are inserted into the front and rear sides of the top of the cover plate, and the tightening screws are screwed into the inner cavity of the threaded hole. Pressure blocks are fixedly connected to the left and right sides of the top of the cover plate.

[0011] As a further description of the above technical solution:

[0012] The limiting block is inserted into the inner cavity of the second groove, and the second connecting groove is semi-circular in shape.

[0013] As a further description of the above technical solution:

[0014] The top end of the screw is fixedly connected to a tightening handle, the locking block is engaged in the inner cavity of the second connecting groove, the inner side wall of the fixing plate is fixedly connected to a connecting plate, and the end of the connecting plate is fixedly connected to the outer side wall of the positioning plate.

[0015] As a further description of the above technical solution:

[0016] The connecting end of the conductive spring is welded to the connecting end of the fixed copper busbar, and the end of the connecting copper busbar is snapped between the contact points of the conductive spring.

[0017] As a further description of the above technical solution:

[0018] The iron rod is inserted into the inner cavity of the fourth groove, and the end of the iron rod is magnetically attracted to the contact surface of the magnet.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. This adjustable copper busbar trunking system features a first and second groove on a fixed frame. A fixing block is inserted between the second and a fixing limit block on the outer wall of the connecting copper busbar. A fixing plate is installed at the top of the limiting block and the connecting copper busbar, with a spring and pressure plate for pre-tightening. A first connecting groove is provided on the fixed frame, with a second connecting groove perpendicularly distributed inside it. This allows a screw to be inserted into the third and first connecting grooves and rotated 90 degrees for locking. Fourth grooves are located on both sides of the third groove, with magnets inside. These magnets attract and connect to an iron rod on the positioning plate. The positioning plate stably presses down on the connection between the connecting copper busbar and the conductive spring, resulting in a more secure overall connection, ensuring conductivity, and providing a quick-release structure for higher adjustment efficiency.

[0021] 2. This adjustable copper busbar trunking system uses pressure blocks on both sides of the bottom of the cover plate to simultaneously press multiple connecting copper busbars together when the cover plate is connected to the base, further enhancing the overall connection stability. At the same time, multiple heat dissipation holes are provided on the cover plate to facilitate rapid internal heat dissipation. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of a busbar trunking with adjustable copper busbar quantity proposed in this utility model.

[0023] Figure 2 This is a schematic diagram of the internal structure of the base of a busbar trunking with adjustable copper busbar quantity proposed in this utility model.

[0024] Figure 3 This utility model proposes an adjustable copper busbar trunking system. Figure 2 Enlarged structural diagram at point A in the middle;

[0025] Figure 4 This is an enlarged cross-sectional view of the fixing frame and fixing plate of a busbar trunking with adjustable copper busbar quantity proposed in this utility model.

[0026] Figure 5 This is an enlarged cross-sectional view of the fixed copper busbars at both ends of a busbar trunking with adjustable copper busbar quantity proposed in this utility model.

[0027] In the diagram: 100, base; 110, threaded hole; 120, cover plate; 130, heat dissipation hole; 140, tightening screw; 150, pressure block; 200, fixing frame; 210, first groove; 220, second groove; 230, connecting copper busbar; 240, limiting block; 250, first connecting groove; 260, second connecting groove; 300, fixing plate; 310, spring; 320, pressure plate; 330, screw; 331, tightening handle; 340, locking block; 350, third connecting groove; 360, connecting plate; 400, fixing copper busbar; 410, third groove; 420, conductive spring; 430, fourth groove; 440, magnet; 450, positioning plate; 460, iron rod. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] This utility model provides a busbar trunking with an adjustable number of copper busbars, which makes the overall connection more robust, ensures conductivity, and features a quick-release structure for higher adjustment efficiency and facilitates rapid internal heat dissipation. Please refer to [link / reference]. Figure 1-5 It includes a base 100, a fixing frame 200, a fixing plate 300, and a fixing copper busbar 400;

[0032] Please refer to it again. Figure 1-2 The base 100 is used to connect the fixing frame 200, the fixing plate 300 and the fixing copper busbar 400.

[0033] Please refer to it again. Figure 2-4 The top of the fixing frame 200 has a first groove 210, which is arranged sequentially from front to back. The inner side wall of the first groove 210 has a second groove 220 in the middle of the front and rear sides. A connecting copper busbar 230 is inserted into the inner cavity of the first groove 210. A limiting block 240 is fixedly connected to the right side of the outer side wall of the connecting copper busbar 230. The top of the fixing frame 200 has a first connecting groove 250. The inner side wall of the first connecting groove 250 has a second connecting groove 260 on the left and right sides. The fixing frame 200 is fixedly connected to the bottom of the inner side wall of the base 100. The fixing frame 200, the first groove 210 and the second groove 220 are used to limit the connection of the connecting copper busbar 230. The limiting block 240 is used to connect the second groove 220 and the connecting copper busbar 230. The first connecting groove 250 and the second connecting groove 260 are used to connect the locking block 340.

[0034] Please refer to it again. Figure 4 The top front and rear sides of the fixing plate 300 have a third connecting groove 350. A screw 330 is inserted into the inner cavity of the third connecting groove 350. A locking block 340 is fixedly connected to the bottom end of the screw 330. Springs 310 are fixedly connected to the bottom front and rear sides of the fixing plate 300. A pressure plate 320 is fixedly connected to the bottom end of the springs 310. The fixing plate 300 is located above the fixing frame 200. The fixing plate 300 is used to press and fix the limiting block 240. The springs 310 and the pressure plate 320 are used to increase the stability of the pressing. The screw 330 is used to connect the locking block 340.

[0035] Please refer to it again. Figure 3 and 5The fixed copper busbar 400 has a third groove 410 at both ends. A conductive spring 420 is fixedly connected to the inner wall of the third groove 410. A fourth groove 430 is opened on the front and back sides of the top of the fixed copper busbar 400. A magnet 440 is fixedly connected to the bottom of the inner cavity of the fourth groove 430. A positioning plate 450 is provided above the fourth groove 430. Iron rods 460 are fixedly connected to the bottom sides of the positioning plate 450. The fixed copper busbar 400 is fixedly connected to the bottom of the inner wall of the base 100 and is located inside the fixed frame 200. The third groove 410 is used to accommodate the conductive spring 420. The conductive spring 420 is used to make a conductive connection between the fixed copper busbar 400 and the connecting copper busbar 230. The fourth groove 430 is used to accommodate the magnet 440 and the iron rod 460 for insertion and limiting.

[0036] In summary: By setting a first groove 210 and a second groove 220 on the fixed frame 200, connecting the outer wall of the connecting copper busbar 230 with the fixing limit block 240 and the second groove 220, and setting a fixing plate 300 at the top of the limit block 240 and the connecting copper busbar 230, with a spring 310 and a pressure plate 320 on the fixing plate 300 for pre-tightening, setting a first connecting groove 250 on the fixed frame 200, and setting a second connecting groove 260 perpendicularly distributed inside the first connecting groove 250, the screw 330 can be inserted into the third connecting groove 350 and the first connecting groove 250, and rotated 90 degrees for snap-fit ​​fixation, setting a fourth groove 430 on both sides of the third groove 410, and setting a magnet 440 inside the fourth groove 430, the magnet 440 is attracted and connected to the iron rod 460 on the positioning plate 450, and the positioning plate 450 stably presses the connection between the connecting copper busbar 230 and the conductive spring 420, making the overall connection more solid, ensuring conductivity, and providing a quick-release structure with higher adjustment efficiency.

[0037] Please refer to it again. Figure 1-2 The base 100 has a threaded hole 110 on its top and a cover plate 120 on its top. The cover plate 120 has a heat dissipation hole 130 on its top.

[0038] Please refer to it again. Figure 1 Tightening screws 140 are inserted into the front and rear sides of the top of the cover plate 120. The tightening screws 140 are screwed into the inner cavity of the threaded hole 110. Pressure blocks 150 are fixedly connected to the left and right sides of the top of the cover plate 120.

[0039] Please refer to it again. Figure 3-4 The limiting block 240 is inserted into the inner cavity of the second groove 220, and the second connecting groove 260 is semi-circular in shape.

[0040] Please refer to it again. Figure 3-4The top end of the screw 330 is fixedly connected to a tightening handle 331, the locking block 340 is locked into the inner cavity of the second connecting groove 260, the inner side wall of the fixing plate 300 is fixedly connected to a connecting plate 360, and the end of the connecting plate 360 ​​is fixedly connected to the outer side wall of the positioning plate 450.

[0041] Please refer to it again. Figure 2 The connecting end of the conductive spring 420 is welded to the connecting end of the fixed copper busbar 400, and the end of the connecting copper busbar 230 is snapped between the contact points of the conductive spring 420.

[0042] Please refer to it again. Figure 5 The iron rod 460 is inserted into the inner cavity of the fourth groove 430, and the end of the iron rod 460 is magnetically attracted to the contact surface of the magnet 440.

[0043] In summary: By setting pressure blocks 150 on both sides of the bottom of the cover plate 120, multiple connecting copper busbars 230 are pressed together simultaneously when the cover plate 120 is connected to the base 100, which further enhances the overall connection stability. At the same time, multiple heat dissipation holes 130 are set on the cover plate 120, which is conducive to rapid internal heat dissipation.

[0044] In practical use, when operating, those skilled in the art align the required connecting copper busbar 230 and limiting block 240 with the first groove 210; insert the second groove 220, insert the inner end of the connecting copper busbar 230 between the conductive spring pieces 420, insert the iron rod 460 into the fourth groove 430, then insert the screw 330 into the third connecting groove 350 and the first connecting groove 250, after the spring 310 is compressed, rotate it ninety degrees so that the locking block 340 is locked into the second connecting groove 260 for fixation, and finally cover the base 100 with the cover plate 120 and tighten the screw 140 into the threaded hole 110.

[0045] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0046] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A busbar trunking system with adjustable copper busbar quantity, characterized in that: The system includes a base (100), a fixing frame (200), a fixing plate (300), and a fixing copper busbar (400). The fixing frame (200) is fixedly connected to the bottom of the inner wall of the base (100). The fixing plate (300) is located above the fixing frame (200). The fixing copper busbar (400) is fixedly connected to the bottom of the inner wall of the base (100) and is located inside the fixing frame (200). The top of the fixing frame (200) has a first groove (210) arranged sequentially from front to back. The inner wall of the first groove (210) has a second groove (220) in the middle of the front and rear sides. A connecting copper busbar (230) is inserted into the inner cavity of the first groove (210). A limit block (240) is fixedly connected to the right side of the outer wall of the connecting copper busbar (230). The top of the fixing frame (200) has a first connecting groove (250). The inner wall of the first connecting groove (250) has a limit block (240) on the left and right sides. The fixing plate (300) has a second connecting groove (260), and a third connecting groove (350) is opened on the front and rear sides of the top of the fixing plate (300). A screw (330) is inserted into the inner cavity of the third connecting groove (350). A locking block (340) is fixedly connected to the bottom end of the screw (330). A third groove (410) is opened at both ends of the fixing copper busbar (400). A conductive spring (420) is fixedly connected to the inner side wall of the third groove (410). A fourth groove (430) is opened on the front and rear sides of the top of the fixing copper busbar (400). A magnet (440) is fixedly connected to the bottom of the inner cavity of the fourth groove (430). A positioning plate (450) is provided above the fourth groove (430). An iron rod (460) is fixedly connected to the bottom sides of the positioning plate (450). A spring (310) is fixedly connected to the front and rear sides of the bottom of the fixing plate (300). A pressure plate (320) is fixedly connected to the bottom end of the spring (310).

2. The adjustable copper busbar trunking according to claim 1, characterized in that: The base (100) has a threaded hole (110) on its top, and a cover plate (120) is provided on the top of the base (100). The cover plate (120) has a heat dissipation hole (130) on its top.

3. The adjustable copper busbar trunking according to claim 2, characterized in that: Tightening screws (140) are inserted into the front and rear sides of the top of the cover plate (120). The tightening screws (140) are screwed into the inner cavity of the threaded hole (110). Pressure blocks (150) are fixedly connected to the left and right sides of the top of the cover plate (120).

4. The adjustable copper busbar trunking according to claim 1, characterized in that: The limiting block (240) is inserted into the inner cavity of the second groove (220), and the second connecting groove (260) is semi-circular in shape.

5. The adjustable copper busbar trunking according to claim 1, characterized in that: The top end of the screw (330) is fixedly connected to a tightening handle (331), the locking block (340) is engaged in the inner cavity of the second connecting groove (260), the inner side wall of the fixing plate (300) is fixedly connected to a connecting plate (360), and the end of the connecting plate (360) is fixedly connected to the outer side wall of the positioning plate (450).

6. The adjustable copper busbar trunking according to claim 1, characterized in that: The connecting end of the conductive spring (420) is welded to the connecting end of the fixed copper busbar (400), and the end of the connecting copper busbar (230) is snapped between the contact points of the conductive spring (420).

7. The adjustable copper busbar trunking according to claim 1, characterized in that: The iron rod (460) is inserted into the inner cavity of the fourth groove (430), and the end of the iron rod (460) is magnetically attracted to the contact surface of the magnet (440).

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