Main busbar lapping device of low-voltage power distribution cabinet
By using overlapping components such as the outer casing, plug plate, screw, clamp plate and pad, the problem of limited overlapping positions between the busbar and the terminal block is solved, flexible connection is achieved, and the performance and reliability of the low-voltage distribution cabinet are improved.
Patent Information
- Application Number
- CN202423178409.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-23
AI Technical Summary
The traditional method of connecting busbars and terminal blocks is limited by the location of the holes, making it difficult to adjust flexibly, increasing construction and time costs, and affecting structural strength and electrical performance.
The assembly uses components such as housing, insert plate, screw, clamp and pad to achieve reliable connection between busbar and terminal block, allowing connection at any position and avoiding the use of holes and bolts.
It improves the flexibility of the overlapping position, maintains the structural integrity of the busbar, enhances mechanical strength and electrical conductivity, and reduces construction and maintenance costs.
Smart Images
Figure CN223599258U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to low voltage distribution cabinet technical field, specifically a kind of main busbar of low voltage distribution cabinet lap joint device. BACKGROUND
[0002] In the electrical connection of low voltage distribution cabinet, the lap joint of busbar and wiring bar is a key link. The traditional busbar lap joint mode usually relies on pre-opening hole on busbar and wiring bar, then utilizes bolt to pass through hole and cooperates nut to be fastened connection.
[0003] This mode has many limitations, first, the hole position on busbar and wiring bar is fixed, which strictly limits the position selection of lap joint, only can be connected in the specific position of pre-designed hole, lacks flexibility. Secondly, in actual installation process, if the lap joint position needs to be adjusted or special wiring demand is encountered, due to the restriction of hole position, it is often difficult to realize ideal electrical connection layout, may need to additional process modification to busbar or wiring bar, increases construction cost and time cost, and can affect the overall structural strength and electrical performance of busbar.
[0004] Therefore, the utility model provides a kind of main busbar lap joint device of low voltage distribution cabinet to solve the above problems. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of prior art, the utility model provides a kind of main busbar lap joint device of low voltage distribution cabinet, solves the above problems.
[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of main busbar lap joint device of low voltage distribution cabinet, including busbar and wiring bar, busbar and wiring bar are provided with lap joint component between, the lap joint component includes shell, the top wall of the shell is equipped with top slot, the bottom wall of the shell is equipped with bottom slot, the shell is clamped in the outside of busbar, the plug-in board is inserted between the inside of top slot and bottom slot, the plug-in board is located at the back of busbar, the front inner wall of the shell is fixedly installed with nut, the front of the shell is movably inserted with screw rod, the screw rod is screwed in nut interior, the back of the screw rod is fixedly installed with clamping plate, the back of the clamping plate and the front of busbar are inserted with pad, the top of wiring bar is located between busbar and pad.
[0007] Preferably, the front of the busbar and the back of the wiring bar are mutually attached, the pad is attached to the front of the wiring bar, and the pad is made of copper.
[0008] Preferably, the front of the screw rod is located in the front of the shell, and the front of the screw rod is equipped with internal hexagonal groove.
[0009] Preferably, the plug-in plate is divided into upper, middle and lower parts, the upper part is a horizontal rod and is located above the shell, and the horizontal rod has a length greater than that of the top groove.
[0010] Preferably, the middle part of the plug-in plate is a vertical plate, the vertical plate is inserted into the top groove and located between the upper and lower walls of the shell, the vertical plate has the same length as the top groove, and the bottom of the vertical plate is attached above the bottom wall of the shell.
[0011] Preferably, the lower part of the plug-in plate is a positioning plate, the positioning plate is inserted into the bottom groove, and the positioning plate has the same length as the bottom groove.
[0012] Beneficial effects
[0013] The utility model provides a main busbar butt joint device of low voltage distribution cabinet, has the following beneficial effects compared with prior art:
[0014] 1. The main busbar butt joint device of low voltage distribution cabinet, through the synergies of shell, plug-in plate, screw rod, clamping plate and cushion block etc. parts, can realize reliable butt joint with wiring row at any position of busbar, greatly improve the flexibility of butt joint position, can better adapt to different electrical wiring demand and distribution cabinet internal structure layout, reduce the construction problem and additional modification work caused by position limit.
[0015] 2. The main busbar butt joint device of low voltage distribution cabinet does not need to set up a large number of fixed position's holes on busbar, is favorable to keep the structural integrity of busbar, improves the mechanical strength and conductive performance of busbar, prolongs the service life of busbar, improves the performance and reliability of low voltage distribution cabinet as a whole, reduces the equipment maintenance cost and operating cost. DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creativity labor intensity, still can obtain other drawings according to these drawings.
[0017] Fig. 1 It is the external structure perspective drawing of the utility model;
[0018] Fig. 2 It is the side surface structure perspective drawing of the utility model;
[0019] Fig. 3 It is the integral split structure perspective drawing of the utility model;
[0020] Fig. 4It is the butt joint assembly side structure perspective view of the utility model.
[0021] In the figure: 1, busbar; 2, butt joint assembly; 21, shell; 22, plugboard; 23, cushion block; 24, screw rod; 25, top slot; 26, bottom slot; 27, clamping plate; 28, nut; 29, internal hexagonal slot; 3, wiring strip. DETAILED DESCRIPTION
[0022] It should be noted that in the description of the embodiments of the present application, the terms "front, back, left, right, up, down" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0023] The present application will be further described in detail below with the help of the drawings and examples.
[0024] Reference Figs. 1 to 4 The embodiments of the present application provide a main busbar butt joint device of a low-voltage power distribution cabinet, which comprises a busbar 1 and a wiring strip 3, and a butt joint assembly 2 is arranged between the busbar 1 and the wiring strip 3. The butt joint assembly 2 comprises a shell 21, a top slot 25 is formed in the top wall of the shell 21, a bottom slot 26 is formed in the bottom wall of the shell 21, the shell 21 is clamped on the outer side of the busbar 1, a plugboard 22 is inserted between the inside of the top slot 25 and the bottom slot 26, the plugboard 22 is located at the back of the busbar 1, a nut 28 is fixedly installed on the front inner wall of the shell 21, a screw rod 24 is movably inserted on the front of the shell 21, the screw rod 24 is screwed in the inside of the nut 28, a clamping plate 27 is fixedly installed at the back of the screw rod 24, a cushion block 23 is inserted between the back of the clamping plate 27 and the front of the busbar 1, and the top of the wiring strip 3 is located between the busbar 1 and the cushion block 23.
[0025] The front of the busbar 1 is attached to the back of the terminal strip 3, and the cushion block 23 is attached to the front of the terminal strip 3, and the cushion block 23 is made of copper. The front of the screw 24 is located on the front of the shell 21, and the front of the screw 24 is provided with an internal hexagonal groove 29. The plug plate 22 is divided into upper, middle and lower parts, the upper part is a horizontal rod and is located above the shell 21, and the horizontal rod is longer than the top groove 25. The middle part of the plug plate 22 is a vertical plate, which is inserted into the top groove 25 and located between the upper and lower walls of the shell 21, and the vertical plate has the same length as the top groove 25. The bottom of the vertical plate is attached to the top of the bottom wall of the shell 21. The lower part of the plug plate 22 is a positioning plate, which is inserted into the bottom groove 26, and the positioning plate has the same length as the bottom groove 26.
[0026] In this embodiment, when the terminal strip 3 is overlapped with the busbar 1, the shell 21 is buckled on the outside of the busbar 1, and the plug plate 22 is inserted between the top groove 25 and the bottom groove 26, and the insertion position is located on the back of the busbar 1. After insertion, the terminal strip 3 is inserted from below the bottom groove 26, and the cushion block 23 is inserted from the side of the shell 21, and the terminal strip 3 is located between the cushion block 23 and the busbar 1. Then rotate the screw 24, the screw 24 rotates and drives the clamp plate 27 to move towards the cushion block 23, the clamp plate 27 moves and drives the cushion block 23 to move, and the busbar 1 and the terminal strip 3 are clamped together by the cushion block 23 and the plug plate 22, thereby completing the overlapping of the busbar 1. This overlapping method does not require the use of holes and bolts for overlapping, so that the overlapping position is not limited by the hole position, ensuring that the busbar 1 can be overlapped at any position.
[0027] Meanwhile, the contents not described in detail in this specification are all existing technologies known to those skilled in the art.
[0028] Working principle: when the terminal strip 3 is overlapped with the busbar 1, the shell 21 is buckled on the outside of the busbar 1, and the plug plate 22 is inserted between the top groove 25 and the bottom groove 26, and the insertion position is located on the back of the busbar 1. After insertion, the terminal strip 3 is inserted from below the bottom groove 26, and the cushion block 23 is inserted from the side of the shell 21, and the terminal strip 3 is located between the cushion block 23 and the busbar 1. Then rotate the screw 24, the screw 24 rotates and drives the clamp plate 27 to move towards the cushion block 23, the clamp plate 27 moves and drives the cushion block 23 to move, and the busbar 1 and the terminal strip 3 are clamped together by the cushion block 23 and the plug plate 22, thereby completing the overlapping of the busbar 1. This overlapping method does not require the use of holes and bolts for overlapping, so that the overlapping position is not limited by the hole position, ensuring that the busbar 1 can be overlapped at any position.
[0029] It is to be understood that the terminology used herein such as first and second, and the like, is only used to distinguish one entity or action from another entity or action, and does not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0030] While embodiments of the present application have been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. The scope of the application is thus defined by the appended claims and their equivalents.
Claims
1. A main busbar lapping device of a low voltage power distribution cabinet, comprising a busbar (1) and a connecting bar (3), characterized in that: The overlap assembly (2) is arranged between the female busbar (1) and the wiring busbar (3), the overlap assembly (2) comprises a shell (21), a top wall of the shell (21) is provided with a top slot (25), a bottom wall of the shell (21) is provided with a bottom slot (26), the shell (21) is clamped on the outer side of the female busbar (1), the plug-in board (22) is inserted between the inside of the top slot (25) and the bottom slot (26), the plug-in board (22) is located at the back of the female busbar (1), the front inner wall of the shell (21) is fixedly installed with a nut (28), the front of the shell (21) is movably inserted with a screw rod (24), the screw rod (24) is screwed in the nut (28), the back of the screw rod (24) is fixedly installed with a clamping plate (27), the clamping plate (27) is inserted with a pad (23) between the back of the clamping plate (27) and the front of the female busbar (1), and the top of the wiring busbar (3) is located between the female busbar (1) and the pad (23).
2. The main busbar lapping device of a low voltage power distribution cabinet according to claim 1, characterized in that: The front of the female busbar (1) and the back of the wiring busbar (3) are mutually attached, the pad (23) is attached to the front of the wiring busbar (3), and the pad (23) is made of copper.
3. The main busbar lapping device of a low voltage power distribution cabinet according to claim 1, characterized in that: The front of the screw rod (24) is located on the front of the shell (21), and the front of the screw rod (24) is provided with an internal hexagonal groove (29).
4. The main busbar lapping device of a low voltage power distribution cabinet according to claim 1, characterized in that: The plug-in board (22) is divided into three parts, the upper part is a horizontal rod and is located above the shell (21), and the left and right lengths of the horizontal rod are greater than the left and right lengths of the top slot (25).
5. The main busbar lapping device of a low voltage power distribution cabinet according to claim 4, characterized in that: The middle part of the plug-in board (22) is a vertical plate, the vertical plate is inserted into the top slot (25) and located between the upper and lower walls of the shell (21), the left and right lengths of the vertical plate are the same as the left and right lengths of the top slot (25), and the bottom of the vertical plate is attached above the bottom wall of the shell (21).
6. The main busbar lapping device of a low voltage power distribution cabinet according to claim 5, characterized in that: The lower part of the plug-in board (22) is a positioning plate, the positioning plate is inserted into the bottom slot (26), and the left and right lengths of the positioning plate are the same as the left and right lengths of the bottom slot (26).