Copper bar connection structure of power distribution cabinet
By designing structures such as ear mounts, side plates, and copper busbar connectors, the problem of the inability to adjust the installation position of copper busbars in existing distribution cabinets has been solved, enabling flexible installation and fixed connection of circuit breakers. This meets the needs of distribution cabinets of different environments and sizes, and improves practicality.
Patent Information
- Application Number
- CN202423192155.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-24
AI Technical Summary
The existing copper busbar connection structure of the distribution cabinet cannot be adjusted to the actual installation position, and it lacks a circuit breaker installation structure, making it impractical.
A copper busbar connection structure for a power distribution cabinet was designed, including lugs, side plates, copper busbar connectors, sliding seats, and circuit breaker mounting plates. The flexible installation of the copper busbars and the fixed connection of the circuit breakers are achieved through various installation methods and adjustment mechanisms.
It enables flexible installation of copper busbars to adapt to different environments, meets the needs of various sizes of distribution cabinets, and improves practicality and ease of installation by adjusting the distance between the circuit breaker and the copper busbar through the sliding seat.
Smart Images

Figure CN223828915U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of distribution cabinet copper bar, concretely is a distribution cabinet copper bar connecting structure. BACKGROUND
[0002] The distribution cabinet copper bar is an important conductive component in the distribution cabinet, which is usually made of high-purity copper material, has good conductivity and thermal conductivity, can efficiently transmit current, reduces power loss, and ensures the stable operation of the power system. In the distribution cabinet, the shape and specification of the copper bar are various, and the common ones are rectangular, circular, etc. The size is selected according to the power and current size of the distribution cabinet to meet different electrical connection requirements. The copper bar is connected to other electrical components through a specific connecting structure, such as plug-in installation using a connecting piece, and is fixed with a locking bolt to ensure the firmness and reliability of the connection. The layout and installation method are also carefully designed. The side plates in some structures are reasonably distributed, which facilitates the installation of the lug seat on the distribution cabinet in different environments. At the same time, through the adjustable connecting rod and sliding seat and other components, the distance between the air switch and other components is adjusted to adapt to distribution cabinets of various sizes, thereby ensuring the normal operation and power distribution function of the entire distribution cabinet.
[0003] However, the connecting structure of the existing distribution cabinet copper bar is mostly directly installed on the cross beam inside the electrical cabinet by bolts, which cannot adjust the installation position of the distribution cabinet copper bar according to the actual situation. At the same time, the existing distribution cabinet copper bar does not have an air opening installation structure and can only rely on the cross beam inside the electrical cabinet for installation, which has poor practicability. SUMMARY
[0004] The utility model solves the technical problem that the connecting structure of the existing distribution cabinet copper bar is mostly directly installed on the cross beam inside the electrical cabinet by bolts, which cannot adjust the installation position of the distribution cabinet copper bar according to the actual situation. At the same time, the existing distribution cabinet copper bar does not have an air opening installation structure and can only rely on the cross beam inside the electrical cabinet for installation, which has poor practicability.
[0005] The utility model discloses a technical scheme adopted by the utility model is: a power distribution cabinet copper bar connecting structure, including ear seat, the fixed mounting of ear seat upper portion has side plate, the outside of side plate is provided with first locking bolt, the top of ear seat is provided with connecting piece installation slot and side groove, the inside of ear seat is inserted and is installed with copper bar connecting piece through connecting piece installation slot, the upper side fixed mounting of copper bar connecting piece has ear plate, the upper side of ear plate is connected with third locking bolt, the inside of copper bar connecting piece is provided with copper bar installation slot, the inside insertion of copper bar installation slot is installed with copper bar body, the side of copper bar connecting piece is provided with fourth locking bolt, the outside fixed mounting of copper bar body has connecting block, the lower portion fixed mounting of ear seat has connecting rod, the front side of connecting rod is provided with threaded hole, the inside sliding installation of connecting rod has sliding seat, the outside fixed mounting of sliding seat has air switch installation board, the front side of connecting rod is provided with second locking bolt, the outside fixed mounting of air switch installation board has air switch, be provided with copper wire between connecting block and air switch.
[0006] Preferably, the number of side plates is four times the number of ear seats, and the two side plates in each pair are symmetrically distributed on the upper and lower sides of the ear seat.
[0007] Through the above technical scheme, during the installation of the ear seat, the ear seat can be installed with the power distribution cabinet through the side plate on the rear side of the top of the ear seat, and the ear seat can also be installed with the power distribution cabinet through the side plate on the side of the top of the ear seat, meeting the installation and use in different environments.
[0008] Preferably, the copper bar body is fixedly connected with the ear seat through the copper bar connecting piece, the copper bar body is provided with three identical copper bar bodies, the number of copper bar connecting pieces is twice the number of copper bar bodies, the copper bar body is connected with the copper bar connecting piece in a plug-in manner, and the fourth locking bolt penetrates the copper bar body and extends to the outside of the copper bar connecting piece.
[0009] Through the above technical scheme, through the design of the copper bar connecting piece, the copper bar body can be inserted and installed in the inside of the copper bar connecting piece through the copper bar installation slot, and meanwhile, the copper bar connecting piece can be quickly installed with the ear seat through the ear plate and the third locking bolt, which is simple to operate and convenient to install.
[0010] Preferably, the copper bar connecting piece and the ear seat are inserted and installed through the installation slot connecting piece installation slot, the number of side grooves is twice the number of installation slot connecting piece installation slots, and the side grooves are symmetrically distributed on the two sides of the installation slot connecting piece installation slot.
[0011] Through the above technical scheme, through the design of the connecting piece installation slot and the side groove, the copper bar connecting piece can be inserted and installed into the inside of the ear seat, which can play a role in preliminary fixation.
[0012] Preferably, the threaded holes are provided in plurality, the threaded holes are equidistantly distributed, the connecting rods are provided in pair, the sliding seats are located at the inner sides of the connecting rods, and the second locking bolts pass through the connecting rods and extend into the sliding seats.
[0013] Through the technical scheme, the sliding seats can slide in the connecting rods, and the second locking bolts and the threaded holes can be used to fix the sliding seats on the inner sides of the connecting rods.
[0014] Preferably, the air switch mounting plates are located between the two sliding seats, and the two sliding seats are symmetrically distributed about the vertical line of the air switch mounting plate.
[0015] Through the technical scheme, the distance between the air switch mounting plate and the lug seat can be adjusted, and the distance between the air switch and the copper bar body can be adjusted, so that the installation and use of different sizes of power distribution cabinets can be met, and the practicability is high.
[0016] Preferably, the connecting blocks and the copper wires are provided in two groups, each group of the connecting blocks and the copper wires is provided in three, and the three copper wires do not contact each other.
[0017] Through the technical scheme, the copper bar body and the air switch can be conveniently connected together.
[0018] Compared with the prior art, the power distribution cabinet copper bar connecting structure has the following beneficial effects: the power distribution cabinet copper bar connecting structure has four times the number of the side plates, and the side plates are symmetrically distributed on the upper and lower lug seats and the rear side and the side side of the top end. When the lug seat is installed, the top end side plates at different positions can be connected with the power distribution cabinet, and the copper bar body has three copper bars connected with the copper bar connecting pieces in a plug-in manner, and the fourth locking bolt is used for fixing. In addition, the lug plate and the third locking bolt can be quickly installed with the lug seat, the operation is simple, and in addition, a plurality of equidistant threaded holes, two connecting rods and a sliding seat are arranged, the sliding seat can slide in the connecting rod, the second locking bolt can be used to fix the sliding seat, the air switch mounting plate is symmetrically distributed between the two sliding seats, and the distance between the air switch and the copper bar body can be adjusted, so that the size requirements of different power distribution cabinets can be met, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The utility model discloses a three-dimensional structure diagram Figure 1 ;
[0020] Figure 2 The utility model discloses a three-dimensional structure diagram Figure 2 ;
[0021] Figure 3This is a schematic diagram of the copper busbar body installation structure of this utility model;
[0022] Figure 4 This is a schematic diagram showing the disassembled structure of the copper busbar body and the copper busbar connector of this utility model;
[0023] Figure 5 This is a schematic diagram of the disassembled structure of the copper busbar connector and the ear seat of this utility model. Figure 1 ;
[0024] Figure 6 This is a schematic diagram of the disassembled structure of the copper busbar connector and the ear seat of this utility model. Figure 2 .
[0025] The components are: 1. Ear seat; 2. Side plate; 3. First locking bolt; 4. Copper busbar connector; 5. Copper busbar body; 6. Connecting block; 7. Connecting rod; 8. Threaded hole; 9. Sliding seat; 10. Circuit breaker mounting plate; 11. Second locking bolt; 12. Circuit breaker; 13. Ear plate; 14. Third locking bolt; 15. Fourth locking bolt; 16. Connector mounting groove; 17. Side groove; 18. Copper busbar mounting groove; 19. Copper wire. Detailed Implementation
[0026] 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.
[0027] Example 1: As Figures 1-6 As shown, the present invention provides a copper busbar connection structure for a power distribution cabinet, including an ear base 1. A side plate 2 is fixedly installed on the upper part of the ear base 1. A first locking bolt 3 is provided on the outer side of the side plate 2. A connector mounting groove 16 and a side groove 17 are provided at the top of the ear base 1. A copper busbar connector 4 is inserted and installed on the inner side of the ear base 1 through the connector mounting groove 16. An ear plate 13 is fixedly installed on the upper side of the copper busbar connector 4. A third locking bolt 14 is threadedly connected to the upper side of the ear plate 13. A copper busbar mounting groove 18 is provided on the inner side of the copper busbar connector 4. A copper busbar body 5 is installed in the plug-in section. A fourth locking bolt 15 is provided on the side of the copper busbar connector 4. A connecting block 6 is fixedly installed on the outside of the copper busbar body 5. A connecting rod 7 is fixedly installed on the lower part of the ear seat 1. A threaded hole 8 is opened on the front side of the connecting rod 7. A sliding seat 9 is slidably installed inside the connecting rod 7. A circuit breaker mounting plate 10 is fixedly installed on the outside of the sliding seat 9. A second locking bolt 11 is provided on the front side of the connecting rod 7. An air switch 12 is fixedly installed on the outside of the circuit breaker mounting plate 10. A copper wire 19 is provided between the connecting block 6 and the air switch 12.
[0028] Specifically, the number of side plates 2 is four times that of the ear seat 1, and the side plates 2 are symmetrically distributed in pairs on the upper and lower sides of the ear seat 1, and the side plates 2 are distributed on the rear side and the side of the top end of the ear seat 1. The advantage is that during the installation of the ear seat 1, the ear seat 1 can be installed with the switch cabinet through the side plate 2 on the rear side of the top end of the ear seat 1, and the ear seat 1 can be installed with the switch cabinet through the side plate 2 on the side of the top end of the ear seat 1, and the installation and use of different environments are met.
[0029] Specifically, the copper bar body 5 is fixedly connected with the ear seat 1 through the copper bar connecting piece 4, the copper bar body 5 is provided with three same ones, the number of the copper bar connecting piece 4 is twice that of the copper bar body 5, the copper bar body 5 and the copper bar connecting piece 4 are connected in a plug-in manner, and the fourth locking bolt 15 penetrates the copper bar body 5 and extends to the outside of the copper bar connecting piece 4. The advantage is that through the design of the copper bar connecting piece 4, the copper bar body 5 can be plug-in installed on the inside of the copper bar connecting piece 4 through the copper bar mounting groove 18, and at the same time, the copper bar connecting piece 4 can be quickly installed with the ear seat 1 through the ear plate 13 and the third locking bolt 14, and the operation is simple and convenient to install.
[0030] Specifically, the copper bar connecting piece 4 is plug-in installed with the ear seat 1 through the mounting groove connecting piece mounting groove 16, the number of the side groove 17 is twice that of the mounting groove connecting piece mounting groove 16, and the side groove 17 is symmetrically distributed on both sides of the mounting groove connecting piece mounting groove 16. The advantage is that through the design of the connecting piece mounting groove 16 and the side groove 17, the copper bar connecting piece 4 can be plug-in installed into the inside of the ear seat 1, which can play a role in preliminary fixation.
[0031] Embodiment two: as shown in the previous embodiment. Figures 2-6
[0032] Specifically, the threaded hole 8 is provided with a plurality of same ones, the plurality of threaded holes 8 are equally spaced, the connecting rod 7 is provided with two same ones, the sliding seat 9 is located on the inside of the connecting rod 7, and the second locking bolt 11 penetrates the connecting rod 7 and extends to the inside of the sliding seat 9. The advantage is that through the design of the threaded hole 8, the sliding seat 9 and the second locking bolt 11, the sliding seat 9 can slide in the inside of the connecting rod 7, and at the same time, the second locking bolt 11 and the threaded hole 8 can be used to fix and install the sliding seat 9 on the inside of the connecting rod 7.
[0033] Specifically, the air switch mounting plate 10 is located between the two sliding seats 9, and the two sliding seats 9 are symmetrically distributed about the vertical line of the air switch mounting plate 10. The advantage is that through the design of the sliding seat 9 and the connecting rod 7, the spacing between the air switch mounting plate 10 and the ear seat 1 can be adjusted, and the spacing between the air switch 12 and the copper bar body 5 can be adjusted, which meets the installation and use of different size switch cabinets and has high practicability.
[0034] Specifically, the connecting blocks 6 and the copper wires 19 are provided with the same two groups, each group of the connecting blocks 6 and the copper wires 19 is provided with the same three, and the three copper wires 19 are not in contact with each other. Advantage is, convenient to connect the copper bar body 5 and the air switch 12 together.
[0035] Working principle: in use, the worker selects the rear side or the side of the inside of the switchgear according to the situation, installs the ear holder 1 in the switchgear, installs the ear holder 1 on the cross beam of the switchgear by using the side plate 2 and the first locking bolt 3 on the upper part of the ear holder 1, waits for the ear holder 1 to be installed, the worker inserts the copper bar body 5 into the copper bar mounting groove 18 on the copper bar connecting piece 4, until the copper bar body 5 completely enters the inside of the copper bar mounting groove 18, then locks by using the fourth locking bolt 15, waits for the copper bar body 5 and the copper bar connecting piece 4 to be installed, the worker inserts the copper bar connecting piece 4 into the connecting piece mounting groove 16, until the copper bar connecting piece 4 completely enters the inside of the connecting piece mounting groove 16, then installs the copper bar connecting piece 4 on the top end of the ear holder 1 by using the ear plate 13 and the third locking bolt 14, waits for the copper bar body 5, the copper bar connecting piece 4 and the ear holder 1 to be installed, the worker installs the connecting block 6 on the copper bar body 5, twists the second locking bolt 11, until the second locking bolt 11 and the sliding seat 9 are completely separated, then pulls up or pushes down the sliding seat 9, adjusts to the appropriate position, then twists the second locking bolt 11 into the sliding seat 9, then connects the air switch 12 and the connecting block 6 by using the copper wire 19, at this time, it can be completed.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A copper busbar connection structure for a power distribution cabinet, comprising an ear base (1), characterized in that: A side plate (2) is fixedly installed on the upper part of the ear seat (1). A first locking bolt (3) is provided on the outer side of the side plate (2). A connector mounting groove (16) and a side groove (17) are provided at the top of the ear seat (1). A copper busbar connector (4) is inserted and installed on the inner side of the ear seat (1) through the connector mounting groove (16). An ear plate (13) is fixedly installed on the upper side of the copper busbar connector (4). A third locking bolt (14) is threaded on the upper side of the ear plate (13). A copper busbar mounting groove (18) is provided on the inner side of the copper busbar connector (4). A copper busbar body (5) is inserted and installed inside the copper busbar mounting groove (18). A fourth locking bolt (15) is provided on the side of the connector (4), a connecting block (6) is fixedly installed on the outer side of the copper busbar body (5), a connecting rod (7) is fixedly installed on the lower part of the ear seat (1), a threaded hole (8) is opened on the front side of the connecting rod (7), a sliding seat (9) is slidably installed inside the connecting rod (7), a circuit breaker mounting plate (10) is fixedly installed on the outer side of the sliding seat (9), a second locking bolt (11) is provided on the front side of the connecting rod (7), an air switch (12) is fixedly installed on the outer side of the circuit breaker mounting plate (10), and a copper wire (19) is provided between the connecting block (6) and the air switch (12).
2. The copper busbar connection structure for a power distribution cabinet according to claim 1, characterized in that: The number of side plates (2) is four times that of ear bases (1). The side plates (2) are symmetrically distributed in pairs on the upper and lower sides of the ear bases (1). The side plates (2) are distributed on the rear and side sides of the top of the ear bases (1).
3. The copper busbar connection structure for a power distribution cabinet according to claim 1, characterized in that: The copper busbar body (5) is fixedly connected to the ear seat (1) through the copper busbar connector (4). The copper busbar body (5) has three identical parts. The number of copper busbar connectors (4) is twice that of the copper busbar body (5). The copper busbar body (5) and the copper busbar connectors (4) are connected by plug-in connection. The fourth locking bolt (15) passes through the copper busbar body (5) and extends to the outside of the copper busbar connector (4).
4. The copper busbar connection structure for a power distribution cabinet according to claim 1, characterized in that: The copper busbar connector (4) and the ear seat (1) are installed by insertion through the connector mounting groove (16). The number of side grooves (17) is twice that of the connector mounting groove (16), and the side grooves (17) are symmetrically distributed on both sides of the connector mounting groove (16).
5. The copper busbar connection structure for a power distribution cabinet according to claim 1, characterized in that: The threaded holes (8) are provided in multiple identical manner, and the multiple threaded holes (8) are distributed at equal intervals. The connecting rod (7) is provided in two identical manner. The sliding seat (9) is located inside the connecting rod (7). The second locking bolt (11) passes through the connecting rod (7) and extends into the interior of the sliding seat (9).
6. The copper busbar connection structure of a power distribution cabinet according to claim 1, characterized in that: The circuit breaker mounting plate (10) is located between two sliding seats (9), and the two sliding seats (9) are symmetrically distributed about the vertical line of the circuit breaker mounting plate (10).
7. The copper busbar connection structure for a power distribution cabinet according to claim 1, characterized in that: The connecting block (6) and copper wire (19) are provided in two identical sets, and each set of connecting block (6) and copper wire (19) is provided with three identical sets, and the three copper wires (19) do not contact each other.