A circuit breaker drawer device with detachable terminal block

Abstract

This utility model discloses a detachable circuit breaker drawer device with a terminal block, relating to the field of low-voltage circuit breaker technology. The base has an installation window for mounting electrical connection components. The electrical connection components include a first pressure plate, a second pressure plate, at least one flexible connection, several straightening guide rods, and several elastic elements. The flexible connection is located between the first and second pressure plates, and both the first and second pressure plates are detachably connected to the flexible connection. The elastic elements are located between the second pressure plate and the flexible connection, and the straightening guide rods pass sequentially through the first pressure plate, the flexible connection, the elastic elements, and the second pressure plate. The straightening guide rods are used to connect to the connecting bar. The terminal block and the flexible connection contact each other to form a surface-to-surface contact structure, and the terminal block and the flexible connection are detachably connected. The terminal block can be horizontally or vertically arranged. This utility model is self-adjusting, ensuring good contact and avoiding the problems of high heat generation and high operating temperature caused by the small contact area between the transition bar and the contact bridge.

Description

Technical Field

[0001] This utility model relates to the field of low-voltage circuit breaker technology, and in particular to a circuit breaker drawer device with a detachable terminal block. Background Technology

[0002] In low-voltage power distribution equipment, electrical connection structures are often used to enable the rapid deployment of components such as circuit breakers to the power distribution lines, or to enable rapid disconnection and isolation from the power distribution lines during maintenance.

[0003] In traditional rigid technical solutions, a rigid contact bridge is installed, which is tightly connected to the terminal block via a transition panel. On the one hand, when the circuit breaker body deviates from its position in the connection area between the connection panel and the contact bridge, problems such as poor contact, excessive heat generation, and increased operating temperature are likely to occur. On the other hand, due to the transition panel, the connection area at the break point of the tight electrical connection between the transition panel and the contact bridge has a small contact area, resulting in excessive heat generation and increased operating temperature. Utility Model Content

[0004] The purpose of this invention is to provide a circuit breaker drawer device with a detachable terminal block, in order to solve the problems existing in the prior art. It can self-adjust, ensure good contact, and avoid the problems of high heat generation and high operating temperature caused by the small contact area between the transfer block and the contact bridge.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides a circuit breaker drawer device with a detachable terminal block, comprising: a base, a terminal block, a connecting block, and an electrical connection assembly;

[0007] The base has an installation window for installing the electrical connection assembly, and the base and the electrical connection assembly are detachably connected.

[0008] The electrical connection assembly includes a first pressure plate, a second pressure plate, at least one flexible connection, a plurality of corrective guide rods, and a plurality of elastic elements. The flexible connection is located between the first pressure plate and the second pressure plate. Both the first pressure plate and the second pressure plate are detachably connected to the flexible connection. The elastic elements are located between the second pressure plate and the flexible connection. The corrective guide rods pass through the first pressure plate, the flexible connection, the elastic elements, and the second pressure plate in sequence.

[0009] The correction guide rod is used to connect with the connecting bar. The terminal bar contacts the connecting edge of the flexible connection to form a surface-to-surface contact structure. The terminal bar and the flexible connection are detachably connected. The terminal bar is arranged horizontally or vertically.

[0010] In some specific embodiments, the terminal block includes a first connecting segment and a first connecting segment, the first connecting segment and the first connecting segment being arranged perpendicularly, the first connecting segment having a first connecting hole for connecting to the electrical connection component, and the first connecting segment having a first wiring hole.

[0011] In some specific solutions, the connecting strip includes several second connecting segments and second connecting lines, which are arranged perpendicularly. Several slots are provided on the second connecting segments for insertion into the correction guide rod, and a second wiring hole is provided on the second connecting lines.

[0012] In some specific embodiments, the flexible connection includes an integrally formed electrical connection edge and a connecting edge. The side of the connecting edge opposite to the terminal block is a plane, and the side of the terminal block opposite to the connecting edge is a plane. The connecting edge has a flexible connection hole and a second connecting hole. The flexible connection hole is used to connect with the terminal block, and the second connecting hole is used to connect with the base, the first pressure plate, and / or the second pressure plate. The electrical connection edge has a guide rod hole for the straightening guide rod to pass through.

[0013] In some specific embodiments, the first pressure plate includes an integrally formed first pressing edge and a first guide edge. The first pressing edge has a first pressure plate fastening hole and a first pressure plate connecting hole. The first pressure plate fastening hole is used to connect with the flexible connection and the terminal block. The first pressure plate connecting hole is used to connect with the flexible connection and the base. The first guide edge has a first guide hole and a first ventilation hole. The first guide hole is used to pass through the straightening guide rod, and the first ventilation hole is used for heat dissipation.

[0014] In some specific embodiments, the second pressure plate includes an integrally formed second pressing edge and a second guide edge. The second pressing edge has a second pressure plate fastening hole and a second pressure plate connecting hole. The second pressure plate fastening hole is used to connect with the flexible connection and the terminal block. The second pressure plate connecting hole is used to connect with the flexible connection and the base. The second guide edge has a second guide hole and a second ventilation hole. The second guide hole is used to pass through the straightening guide rod, and the second ventilation hole is used for heat dissipation.

[0015] In some specific solutions, several limiting plates are also included, which are located between the first pressure plate and the flexible connection, and the straightening guide rod passes through the limiting plates.

[0016] In some specific solutions, the limiting plate includes an integrally formed horizontal part, a first vertical part, and a second vertical part. The first vertical part and the second vertical part are located at both ends of the horizontal part, respectively. A limiting hole and a through hole are formed on the horizontal part. The limiting hole and the through hole are connected. The correction guide rod passes through the through hole and enters the limiting hole to achieve the limiting.

[0017] In some specific designs, a positioning pin is provided on the correction guide rod, and the positioning pin is located between the elastic element and the second pressure plate.

[0018] In some specific embodiments, the positioning pin includes a positioning section and two limiting sections, the two limiting sections being located at both ends of the positioning section, the positioning section being located in the pin hole of the straightening guide rod, and the limiting sections being located between the elastic element and the second pressure plate.

[0019] The present invention achieves the following technical advantages over the prior art:

[0020] The electrical connection assembly of this invention employs a flexible soft connection, which possesses a certain self-adjusting capability and ensures good contact when the circuit breaker body position deviates. Furthermore, the soft connection is directly and securely connected to the terminal block, eliminating the need for an intermediate adapter compared to traditional solutions, resulting in less heat generation and lower operating temperature rise. The connecting edge of the soft connection in this invention forms a surface-to-surface contact structure with the terminal block, ensuring a large contact area while eliminating connection breakpoints, further reducing heat generation and operating temperature rise, making the drawer device safer and more reliable. The terminal block of this invention also features the ability to switch between horizontal and vertical wiring configurations. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of a circuit breaker drawer device with a detachable terminal block in some embodiments of the present invention. Figure 1 (The terminal block is set horizontally);

[0023] Figure 2 This is a schematic diagram of a circuit breaker drawer device with a detachable terminal block in some embodiments of the present invention. Figure 2 (The terminal block is set vertically);

[0024] Figure 3 This is a schematic diagram of a circuit breaker drawer device with a detachable terminal block in some embodiments of the present invention. Figure 3 (Conversion between horizontal and vertical terminal block settings);

[0025] Figure 4 This is a schematic diagram of the terminal block, connector block, and electrical connection assembly in some embodiments of the present invention;

[0026] Figure 5 This is a schematic diagram of a soft connection in some embodiments of the present invention;

[0027] Figure 6 This is a schematic diagram of the first pressure plate in some embodiments of the present invention;

[0028] Figure 7 This is a schematic diagram of the second pressure plate in some embodiments of the present invention;

[0029] Figure 8 This is a schematic diagram of the straightening guide rod in some embodiments of the present invention;

[0030] Figure 9 This is a schematic diagram of the positioning pin in some embodiments of the present utility model;

[0031] Figure 10 This is a schematic diagram of the limiting plate in some embodiments of the present utility model;

[0032] Figure 11 This is a schematic diagram of the connecting row in some embodiments of the present invention;

[0033] In the diagram: 1-base, 2-terminal bar, 3-first mounting pin, 4-limiting plate, 5-correcting guide rod, 6-positioning pin, 7-flexible connection, 8-first pressure plate, 9-second pressure plate, 10-connecting bar, 13-second mounting pin, 14-elastic element;

[0034] 101 - Electrical connection assembly mounting hole;

[0035] 201 - First connecting segment, 202 - First connecting segment, 203 - First connecting hole, 204 - First wiring hole;

[0036] 401-Horizontal part, 402-First vertical part, 403-Second vertical part, 4011-Limiting hole, 4012-Through hole;

[0037] 601 - Positioning section, 602 - Limiting section;

[0038] 701-Flexible connection hole, 702-Connecting edge, 703-Electrical connection edge, 704-Second connecting hole;

[0039] 801-First pressure plate fastening hole, 802-First clamping edge, 803-First guide edge, 804-First pressure plate connecting hole, 805-First ventilation hole, 806-First guide hole;

[0040] 901 - Second pressure plate fastening hole, 902 - Second clamping edge, 903 - Second guide edge, 904 - Second pressure plate connecting hole, 905 - Second ventilation hole, 906 - Second guide hole;

[0041] 1001 - Second connecting section, 1002 - Second connecting line section, 1003 - Second wiring hole. Detailed Implementation

[0042] 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.

[0043] The purpose of this invention is to provide a circuit breaker drawer device with a detachable terminal block, in order to solve the problems existing in the prior art. It can self-adjust, ensure good contact, and avoid the problems of high heat generation and high operating temperature caused by the small contact area between the transfer block and the contact bridge.

[0044] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0045] like Figures 1 to 11 As shown, this embodiment provides a circuit breaker drawer device with a detachable terminal block, which is used for the rapid deployment of the circuit breaker body (not shown) to connect to or replace the power distribution network, including: a base 1, a terminal block 2, a connection block 10, and an electrical connection assembly;

[0046] The base 1 has an installation window for installing electrical connection components, and the terminal block 2 and the connector block 10 are both located outside the base 1;

[0047] The electrical connection assembly is detachably connected to the base 1. The electrical connection assembly is used to connect and conduct with the circuit breaker body. The electrical connection assembly includes a first pressure plate 8, a second pressure plate 9, at least one flexible connection 7, several straightening guide rods 5, and several elastic elements 14. The flexible connection 7 is located between the first pressure plate 8 and the second pressure plate 9. The first pressure plate 8 and the second pressure plate 9 are both detachably connected to the flexible connection 7. The elastic elements 14 are located between the second pressure plate 9 and the flexible connection 7. The straightening guide rods 5 pass through the first pressure plate 8, the flexible connection 7, the elastic elements 14, and the second pressure plate 9 in sequence. The straightening guide rods 5 are used to connect to the connection bar 10. The terminal bar 2 contacts the connection edge 702 of the flexible connection 7 to form a surface-to-surface contact structure. The terminal bar 2 is detachably connected to the flexible connection 7. The terminal bar 2 is arranged horizontally or vertically. In this embodiment, the electrical connection assembly uses a flexible soft connection 7, which has a certain self-adjusting capability and good contact when the circuit breaker body position deviates. Furthermore, the soft connection 7 is directly and securely connected to the terminal block 2, eliminating the need for an intermediate adapter compared to traditional solutions, resulting in less heat generation and lower operating temperature rise. In this embodiment, the connecting edge 702 of the soft connection 7 forms a surface-to-surface contact structure with the terminal block 2, ensuring a large contact area while eliminating connection break points. This results in good electrical and thermal conductivity, low heat generation, and low operating temperature rise, making the drawer device safer and more reliable. The terminal block 2 in this embodiment also has the function of switching between horizontal and vertical wiring configurations.

[0048] In some specific embodiments, when there are two flexible connections 7, the two flexible connections 7 are symmetrically arranged. A first pressure plate 8 is provided on the outer side of one flexible connection 7, and the first pressure plate 8 is detachably connected to one flexible connection 7. A second pressure plate 9 is provided on the outer side of the other flexible connection 7, and the second pressure plate 9 is detachably connected to the other flexible connection 7. An elastic element 14 is located between the second pressure plate 9 and the other flexible connection 7, and the correction guide rod 5 passes through the first pressure plate 8, the two flexible connections 7, the elastic element 14, and the second pressure plate 9 in sequence. The number of flexible connections 7 is preferably two.

[0049] In some specific embodiments, the base 1 is made of insulating material and is provided with an electrical connection component fixing hole 101 for connecting with an electrical connection component.

[0050] In some specific embodiments, the device is configured according to the number of poles of the circuit breaker body, with 3-pole and 4-pole being common. Each pole circuit has an incoming terminal and an outgoing terminal, which are generally arranged vertically. Figure 1 and Figure 2 The image shows a device for a 3-pole circuit breaker. Depending on the wiring requirements of the power distribution network, the device can be configured with either a horizontal or vertical wiring configuration. The number of installation windows corresponds to the number of poles in the circuit breaker. Figure 1 , Figure 2 and Figure 3 The product shown is a 3-pole product with an upper and lower inlet / outlet wiring layout and a total of 6 mounting windows. The wiring bar 2 on the outside of the base 1 passes through the mounting windows and is securely connected to the electrical connection assembly located on the inside of the base 1.

[0051] In some specific embodiments, the terminal block 2 includes a first connecting section 202 and a first connecting segment 201, which are arranged vertically. The first connecting section 202 has a plurality of first connecting holes 203 for connecting to electrical connection components. The first connecting segment 201 has a plurality of first wiring holes 204 for connecting wires. The number of first connecting holes 203 and their arrangement on the first connecting section 202 can be adapted to the wiring requirements of the power distribution network.

[0052] Figure 1 The diagram shows a horizontal wiring configuration. The first connection hole 203 on terminal block 2 faces the vertical direction, which facilitates the horizontal connection and fastening of the power distribution busbar and terminal block 2. Figure 2 The diagram shows a vertical wiring configuration. The first connecting hole 203 on terminal block 2 faces horizontally, facilitating a vertical connection and secure fastening between the power distribution busbar and terminal block 2. During manufacturing, to reduce the number of parts, terminal block 2 in this embodiment can be provided in both horizontal and vertical wiring configurations. Figure 3 As shown, when the terminal block 2 changes from a horizontal wiring configuration to a vertical wiring configuration, the first mounting pin 3 needs to be loosened, the terminal block 2 separates from the electrical connection assembly fixed in the base 1, the terminal block 2 rotates 90°, and then reattaches to the electrical connection assembly, and the electrical connection is secured by the first mounting pin 3.

[0053] In some specific embodiments, the connecting bar 10 includes a plurality of second connecting segments 1001 and second connecting segments 1002. The second connecting segments 1001 and the second connecting segments 1002 are arranged vertically. The second connecting segments 1001 are provided with a plurality of slots for insertion into the straightening guide rod 5. The second connecting segments 1002 are provided with second wiring holes 1003 for installation, fastening and connection of the connecting bar 10 with the internal conductive circuit of the circuit breaker body.

[0054] In some specific embodiments, the two flexible connections 7 are in contact with the correction guide rod 5 respectively, and the connecting row 10 can extend between the two flexible connections 7, with the connecting row 10 in contact with the flexible connections 7 respectively.

[0055] In some specific embodiments, the flexible connection 7 is generally made of copper. The flexible connection 7 includes an integrally formed connecting edge 702 and an electrical connecting edge 703. The flexible connection 7 is formed by bending. The connecting edge 702 has a flexible connection hole 701 and a second connecting hole 704. The flexible connection hole 701 is used to connect with the first connecting hole 203 of the terminal block 2. The second connecting hole 704 is used to connect with the electrical connection component fixing hole 101 on the base 1. The second connecting hole 704 is also used to connect with the first pressure plate 8 and / or the second pressure plate 9. The connecting edge 702 is used to connect with the terminal block 2. The contact side of the connecting section and the contact side of the connecting section of the terminal block 2 that is in contact with the connecting edge 702 are both flat. The connecting edge 702 contacts the connecting section of the terminal block 2. The area of ​​the connecting edge 702 of the two flexible connections 7 matches the area of ​​the connecting section of the terminal block 2. The flexible connection 7 is bent to form a connecting edge 702 with a sufficiently large contact area, which is then tightly connected to the terminal block 2. This ensures a large contact area, reduces connection breaks, generates less heat, and has a low operating temperature rise, making the device safer and more reliable. A guide rod hole is provided on the electrical connection edge 703 for inserting the correction guide rod 5.

[0056] The number of elastic elements 14 installed on the electrical connection edge 703 varies depending on the rated current of the circuit breaker. Generally, the larger the rated current, the more elastic elements 14 are installed. Depending on the number of elastic elements 14 installed, the electrical connection edge 703 can be a single piece or divided into multiple independent pieces, with each independent piece having an elastic element 14 installed separately.

[0057] In some specific embodiments, the first pressure plate 8 includes an integrally formed first clamping edge 802 and a first guide edge 803. The first pressure plate 8 is formed by bending. The first clamping edge 802 has a first pressure plate fastening hole 801 and a first pressure plate connecting hole 804. The first pressure plate fastening hole 801 corresponds to the flexible connection hole 701. The connection between the terminal block 2 and a flexible connection 7 and the first pressure plate 8 is achieved by the first mounting pin 3 passing through the first connecting hole 203, the first pressure plate fastening hole 801, and the flexible connection hole 701 in sequence. A pressure plate connecting hole 804 corresponds to a second connecting hole 704. A second mounting pin 13 passes through the first pressure plate connecting hole 804, the second connecting hole 704 and the electrical connection component fixing hole 101 in sequence to connect a flexible connection 7, the first pressure plate 8 and the base 1. There is a gap between the first guide edge 803 and the electrical connection edge 703 of the flexible connection 7. The first guide edge 803 is provided with a first guide hole 806 and a first ventilation hole 805. The first guide hole 806 is used to pass through the straightening guide rod 5 and the first ventilation hole 805 is used for heat dissipation.

[0058] In some specific embodiments, the second pressure plate 9 includes an integrally formed second pressing edge 902 and a second guide edge 903. The second pressure plate 9 is formed by bending. The second pressing edge 902 has a second pressure plate fastening hole 901 and a second pressure plate connecting hole 904. The second pressure plate fastening hole 901 corresponds to the flexible connection hole 701. The connection between the terminal block 2 and another flexible connection 7 and the second pressure plate 9 is achieved by the first mounting pin 3 passing through the first connecting hole 203, the second pressure plate fastening hole 901, and the flexible connection hole 701 in sequence. The second pressure plate connecting hole 904 corresponds to the second connecting hole 704. The second mounting nail 13 passes through the second pressure plate connecting hole 904, the second connecting hole 704 and the electrical connection component fixing hole 101 in sequence to connect the second pressure plate 9 to the base 1. There is a gap between the second guide edge 903 and the electrical connection edge 703 of the other flexible connection 7. The second guide edge 903 is provided with a second guide hole 906 and a second ventilation hole 905. The second guide hole 906 is used to pass through the straightening guide rod 5, and the second ventilation hole 905 is used for heat dissipation.

[0059] In some specific embodiments, a plurality of limiting plates 4 are also included, the limiting plates 4 being located between the first guide edge 803 of the first pressure plate 8 and the electrical connection edge 703 of the flexible connection 7, and the correction guide rod 5 passing through the limiting plates 4.

[0060] In some specific embodiments, the limiting plate 4 includes an integrally formed horizontal portion 401, a first vertical portion 402, and a second vertical portion 403. The first vertical portion 402 and the second vertical portion 403 are located at the two ends of the horizontal portion 401, respectively. The horizontal portion 401 is in contact with the electrical connection edge 703 of a flexible connection 7. The first vertical portion 402 and the second vertical portion 403 are both in contact with the first guide edge 803 of the first pressure plate 8. A limiting hole 4011 and a through hole 4012 are provided on the horizontal portion 401. The limiting hole 4011 and the through hole 4012 are connected. The straightening guide rod 5 passes through the through hole 4012 and enters the limiting hole 4011 to achieve the limiting.

[0061] In some specific embodiments, a positioning pin 6 is provided on the correction guide rod 5. The positioning pin 6 is perpendicular to the correction guide rod 5 and is located between the elastic element 14 and the second pressure plate 9.

[0062] In some specific embodiments, the positioning pin 6 includes a positioning section 601 and two limiting sections 602. The two limiting sections 602 are located at both ends of the positioning section 601. The positioning section 601 is located in the pin hole of the straightening guide rod 5, and the limiting sections 602 extend out of the pin hole and are located between the elastic element 14 and the second pressure plate 9.

[0063] In summary, the circuit breaker body can be connected to the power distribution network via the electrical connection edge 703 of the flexible connection 7, the connection edge 702 of the flexible connection 7 being securely connected to the terminal block 2, and the terminal block 2 being connected to the power distribution network. The electrical connection assembly in this embodiment uses a flexible connection 7, which has a certain self-adjusting capability and good contact when the circuit breaker body's position deviates. Furthermore, the flexible connection 7 is directly securely connected to the terminal block 2, eliminating the intermediate transition strip compared to traditional solutions, resulting in a shorter dimensional chain, more precise positioning, less heat generation, and lower operating temperature rise. In this embodiment, the connection edge 702 of the flexible connection 7 forms a surface-to-surface contact structure with the terminal block 2, ensuring a large contact area and eliminating connection break points, resulting in good electrical and thermal conductivity, less heat generation, and lower operating temperature rise, making the drawer device safer and more reliable. The first pressure plate 8 and the second pressure plate 9 in this embodiment not only have the guiding function of the correction guide rod 5 but also a heat dissipation function. The terminal block 2 in this embodiment also has the function of switching between horizontal and vertical wiring configurations. When the terminal block 2 changes from a horizontal to a vertical wiring configuration, the first mounting pin 3 needs to be loosened. The terminal block 2 separates from the electrical connection assembly fixed in the base 1, rotates 90°, and then re-attaches to the electrical connection assembly, securing the electrical connection with the first mounting pin 3. When the terminal block 2 changes from a vertical to a horizontal wiring configuration, the first mounting pin 3 needs to be loosened. The terminal block 2 separates from the electrical connection assembly fixed in the base 1, rotates 90°, and then re-attaches to the electrical connection assembly, securing the electrical connection with the first mounting pin 3.

[0064] In the description of this utility model, it should be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model. They 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 on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Thus, features defined with "first," "second," etc., 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.

[0065] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0066] If this utility model discloses or relates to mutually fixedly connected parts or structural components, then, unless otherwise stated, a fixed connection can be understood as: a detachable fixed connection (e.g., using bolts or screws), or a non-detachable fixed connection (e.g., riveting, welding). Of course, mutually fixed connections can also be replaced by an integral structure (e.g., manufactured using a casting process) (except where it is obviously impossible to use an integral forming process).

[0067] In addition, unless otherwise stated, the terms used in any of the technical solutions disclosed in this utility model to indicate positional relationships or shapes include states or shapes that are similar to, close to, or approximate with those states or shapes.

[0068] Any component provided by this utility model can be assembled from multiple individual components, or it can be a single component manufactured by a one-piece molding process.

[0069] It should be noted that the structures, proportions, sizes, etc., depicted in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0070] It should also be noted that in the embodiments of this application, the same reference numerals are used to denote the same component or the same part.

[0071] Any adaptive changes made according to actual needs are within the protection scope of this utility model.

[0072] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A busbar detachable circuit breaker drawer apparatus characterized by: include: Base, terminal blocks, connector blocks, and electrical connection components; The base has an installation window for installing the electrical connection assembly, and the base and the electrical connection assembly are detachably connected. The electrical connection assembly includes a first pressure plate, a second pressure plate, at least one flexible connection, a plurality of corrective guide rods, and a plurality of elastic elements. The flexible connection is located between the first pressure plate and the second pressure plate. Both the first pressure plate and the second pressure plate are detachably connected to the flexible connection. The elastic elements are located between the second pressure plate and the flexible connection. The corrective guide rods pass through the first pressure plate, the flexible connection, the elastic elements, and the second pressure plate in sequence. The correction guide rod is used to connect with the connecting bar. The terminal bar contacts the connecting edge of the flexible connection to form a surface-to-surface contact structure. The terminal bar and the flexible connection are detachably connected. The terminal bar is arranged horizontally or vertically.

2. The busbar detachable breaker drawer apparatus according to claim 1, characterized in that: The terminal block includes a first connecting section and a first connecting line section, which are arranged perpendicularly. The first connecting section has a first connecting hole for connecting to the electrical connection component, and the first connecting line section has a first wiring hole.

3. The busbar detachable breaker drawer apparatus of claim 1, wherein: The connecting bar includes several second connecting segments and second connecting lines, which are arranged perpendicularly. Several slots are provided on the second connecting segments for insertion into the correction guide rod. A second wiring hole is provided on the second connecting line.

4. The busbar detachable breaker drawer apparatus of claim 1, wherein: The flexible connection includes an integrally formed electrical connection edge and a connection edge. The side of the connection edge opposite to the terminal block is a plane, and the side of the terminal block opposite to the connection edge is a plane. The connection edge has a flexible connection hole and a second connection hole. The flexible connection hole is used to connect with the terminal block, and the second connection hole is used to connect with the base, the first pressure plate, and / or the second pressure plate. The electrical connection edge has a guide rod hole for inserting the correction guide rod.

5. The busbar removable circuit breaker drawer apparatus of claim 1, wherein: The first pressure plate includes an integrally formed first pressing edge and a first guide edge. The first pressing edge has a first pressure plate fastening hole and a first pressure plate connecting hole. The first pressure plate fastening hole is used to connect with the flexible connection and the terminal block. The first pressure plate connecting hole is used to connect with the flexible connection and the base. The first guide edge has a first guide hole and a first ventilation hole. The first guide hole is used to pass through the straightening guide rod. The first ventilation hole is used for heat dissipation.

6. The busbar detachable breaker drawer apparatus of claim 1, wherein: The second pressure plate includes an integrally formed second pressing edge and a second guide edge. The second pressing edge has a second pressure plate fastening hole and a second pressure plate connecting hole. The second pressure plate fastening hole is used to connect with the flexible connection and the terminal block. The second pressure plate connecting hole is used to connect with the flexible connection and the base. The second guide edge has a second guide hole and a second ventilation hole. The second guide hole is used to pass through the straightening guide rod, and the second ventilation hole is used for heat dissipation.

7. The busbar detachable breaker drawer apparatus of claim 1, wherein: It also includes several limiting plates, which are located between the first pressure plate and the flexible connection, and the straightening guide rod passes through the limiting plates.

8. The detachable circuit breaker drawer device according to claim 7, characterized in that: The limiting plate includes an integrally formed horizontal part, a first vertical part, and a second vertical part. The first vertical part and the second vertical part are located at both ends of the horizontal part, respectively. A limiting hole and a through hole are formed on the horizontal part. The limiting hole and the through hole are connected. The correction guide rod passes through the through hole and enters the limiting hole to achieve the limiting.

9. The detachable circuit breaker drawer device according to claim 1, characterized in that: The correction guide rod is provided with a positioning pin, which is located between the elastic element and the second pressure plate.

10. The detachable circuit breaker drawer device according to claim 9, characterized in that: The positioning pin includes a positioning section and two limiting sections. The two limiting sections are located at both ends of the positioning section. The positioning section is located in the pin hole of the straightening guide rod, and the limiting sections are located between the elastic element and the second pressure plate.

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