Convenient-to-install circuit breaker suitable for narrow space

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a circuit breaker convenient to install in a narrow space, which comprises a circuit breaker body and wire slots arranged at the upper end and the lower end of the circuit breaker body, the circuit breaker is firstly installed on a sliding rail, a connecting block is pulled out from an installation slot, a wire is inserted into the wire slots, and the circuit breaker is installed on the sliding rail. At the moment, a connecting block can be pushed into a wire inserting groove, a sliding block in the connecting block in an initial state is stored in a sliding groove, when the connecting block is pushed back into a mounting groove, a first spring can automatically push the sliding block outwards to slide into the wire inserting groove, and an inserted wire is automatically fixed and limited; according to the convenient-to-install circuit breaker suitable for the narrow space, multiple limiting can be carried out when the connecting block is pushed in through the arrangement of the multiple sliding blocks, the fixing effect is enhanced, when the convenient-to-install circuit breaker suitable for the narrow space is used, wires can be fixed by moving the connecting block, the convenient-to-install circuit breaker suitable for the narrow space is suitable for installation of wires of different thicknesses, and no auxiliary fixing tool needs to be used.

Description

Technical Field

[0001] This utility model relates to the field of circuit breaker technology, specifically to a circuit breaker that is convenient to install in narrow spaces. Background Technology

[0002] A circuit breaker is a switching device capable of closing, carrying, and interrupting current under normal circuit conditions and closing, carrying, and interrupting current under abnormal circuit conditions within a specified time. Circuit breakers are classified into high-voltage circuit breakers and low-voltage circuit breakers according to their application range. The boundary between high and low voltage is somewhat blurred; generally, those above 3kV are considered high-voltage electrical appliances. Circuit breakers can be used to distribute electrical energy, infrequently start asynchronous motors, and protect power lines and motors. When serious overloads, short circuits, or undervoltage faults occur, they can automatically disconnect the circuit. Their function is equivalent to a combination of a fuse switch and over / under-temperature relays. Moreover, generally, no parts need to be replaced after interrupting a fault current. They have gained widespread application; power distribution is an extremely important link in the generation, transmission, and use of electricity. The power distribution system includes transformers and various high and low voltage electrical equipment, and low-voltage circuit breakers are a widely used type of electrical appliance.

[0003] Because circuit breakers have a wide range of applications, they can be difficult to install in areas with limited space. Traditional circuit breakers use screws to fix the wires to the circuit breaker, which makes it inconvenient to use auxiliary tools to fix the wires in a confined space, causing some inconvenience during actual installation. Utility Model Content

[0004] The purpose of this utility model is to provide a circuit breaker that is easy to install in narrow spaces, in order to solve the problem mentioned in the background art that, due to the wide range of applications of circuit breakers, it is difficult to install them in some small spaces. Traditional circuit breakers use screws to fix the wires to the circuit breaker, which is not convenient to use auxiliary tools to fix the wires in narrow spaces, and there are certain inconveniences in actual installation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a circuit breaker suitable for convenient installation in narrow spaces, comprising a circuit breaker body and insertion slots formed at the upper and lower ends of the circuit breaker body, an installation slot formed on the side of the circuit breaker body, a fixing structure installed inside the installation slot, the fixing structure comprising a connecting block slidably installed in the installation slot, a plurality of sliding grooves formed at equal intervals on the connecting block, a slider slidably installed in each of the plurality of sliding grooves, a spring being fixedly installed on the side wall of the slider and the inner wall of the sliding groove, and the slider being movably connected in the insertion slot.

[0006] Preferably, a fixing block is fixedly installed at one end of the connecting block, and slots are opened on both sides of the mounting groove. A spring is fixedly installed between the inner wall of the slot and the side wall of the fixing block.

[0007] Preferably, each of the connecting blocks is provided with an unlocking component on its sidewall. The unlocking component includes a movable plate that is slidably mounted on the sidewall of the mounting groove, and the movable plate is in contact with the connecting block.

[0008] Preferably, the movable plate has a connecting groove, and the connecting groove is the same size as the plug slot.

[0009] Preferably, grooves are provided on both side walls of the movable plate, and a spring is fixedly installed between the inner wall of the groove and the inner wall of the mounting groove.

[0010] Preferably, a pull ring is fixedly installed at one end of the movable plate, and the pull ring is movably disposed on the outside of the circuit breaker body.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. First, install the circuit breaker on the slide rail. Pull the connecting block out of the mounting slot and insert the wire into the socket slot. At this time, the connecting block can be pushed into the socket slot. In the initial state, the slider inside the connecting block is stored inside the slide groove. When the connecting block is pushed back into the mounting slot, the spring can automatically push the slider outward and slide it into the socket slot, automatically fixing and limiting the inserted wire. By setting multiple sliders, multiple limits can be set when the connecting block is pushed in, enhancing the fixing effect. This circuit breaker, which is suitable for convenient installation in narrow spaces, can fix the wire by moving the connecting block. It is suitable for the installation of wires of different thicknesses and does not require the use of auxiliary fixing tools.

[0013] 2. With the cooperation of the movable plate, pull ring, groove, spring, and connecting groove, when using this device, first install the circuit breaker body on the slide rail, pull the pull ring outward, and the pull ring will drive the movable plate to slide outward. When the movable plate moves outward, it will contact the slider and push the slider into the groove. At this time, the connecting block can be pulled outward by the fixing block until the insertion groove is unobstructed. Release the pull ring at the top, and the movable plate will automatically be pulled back to the initial position under the action of the spring. At this time, the wire can be inserted into the insertion groove. After insertion, the connecting block is pushed into the mounting slot. During this process, the wires in the slot are fixed by the pressure of the connecting block. As the device moves, the slider on the connecting block is pushed outward by the spring and slides into the slot, where it automatically fixes the wires in place. The device can also be used to seal the slots with the connecting block, preventing dust accumulation in unused slots. The locking mechanism can be used to quickly release the limiting position of the fixing structure. The device is simple and convenient to operate and can be installed quickly. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall cross-sectional three-dimensional structure of this utility model;

[0016] Figure 3 This is a cross-sectional three-dimensional structural diagram of the fixing structure system of this utility model;

[0017] Figure 4 This is a cross-sectional three-dimensional structural diagram of the unlocking component system of this utility model;

[0018] Figure 5 For the present utility model Figure 2 Enlarged 3D structural diagram at point A.

[0019] In the diagram: 1. Circuit breaker body; 11. Mounting slot; 12. Slot; 2. Wire insertion slot; 3. Fixing structure; 31. Connecting block; 32. Fixing block; 33. Spring 2; 34. Slide groove; 35. Sliding block; 36. Spring 1; 4. Unlocking assembly; 41. Movable plate; 42. Pull ring; 43. Groove; 44. Spring 3; 45. Connecting slot. Detailed Implementation

[0020] 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.

[0021] Example 1: Please refer to Figure 1 - Figure 5 A circuit breaker suitable for convenient installation in narrow spaces includes a circuit breaker body 1 and a wiring slot 2 formed at the upper and lower ends of the circuit breaker body 1. The side of the circuit breaker body 1 has an installation slot 11. A fixing structure 3 is installed inside the installation slot 11. The fixing structure 3 includes a connecting block 31 that is slidably installed in the installation slot 11. Several sliding grooves 34 are equally spaced on the connecting block 31. A slider 35 is slidably installed in each of the sliding grooves 34. A spring 36 is fixedly installed on the side wall of the slider 35 and the inner wall of the sliding groove 34. The slider 35 is movably connected in the wiring slot 2.

[0022] In this embodiment: When installing the circuit breaker in a narrow space, the circuit breaker can be first installed on the slide rail. The connecting block 31 is pulled out from the mounting groove 11 until the wire insertion groove 2 is unobstructed. Then, the wire is inserted into the wire insertion groove 2. Since it is inconvenient to use screwdrivers or other auxiliary tools to fix the wire in a narrow space, the connecting block 31 can be pushed into the wire insertion groove 2. In the initial state, the slider 35 in the connecting block 31 is stored inside the slide groove 34. When the connecting block 31 is pushed back into the mounting groove 11, the spring 36 can automatically push the slider 35 outward and slide it into the wire insertion groove 2, automatically fixing and limiting the inserted wire. By setting multiple sliders 35, multiple limits can be set when the connecting block 31 is pushed in, enhancing the fixing effect. This circuit breaker, which is suitable for convenient installation in narrow spaces, can fix the wire by moving the connecting block 31 during use. It is suitable for the installation of wires of different thicknesses and does not require the use of auxiliary fixing tools.

[0023] Example 2: This example is an improvement on Example 1. For details, please refer to [link / reference]. Figure 2 - Figure 5 A fixing block 32 is fixedly installed at one end of the connecting block 31. A slot 12 is provided on both sides of the mounting groove 11. A spring 33 is fixedly installed between the inner wall of the slot 12 and the side wall of the fixing block 32. The spring 33 is designed to automatically pull the movable block 31 back into the mounting groove 11 after the connecting block 31 is pulled out and released.

[0024] Each side wall of the connecting block 31 is provided with an unlocking component 4. The unlocking component 4 includes a movable plate 41 that is slidably installed on the side wall of the mounting groove 11. The movable plate 41 is in contact with the connecting block 31. When the movable plate 41 slides, it can contact the slider 35.

[0025] The movable plate 41 has a connecting groove 45, which is the same size as the wire insertion groove 2. When the movable plate 41 moves, it can contact the slider 35 through the wire insertion groove 45 to push the slider 35.

[0026] The movable plate 41 has grooves 43 on both sides of its sidewalls. A spring 44 is fixedly installed between the inner wall of the groove 43 and the inner wall of the mounting groove 11. The spring 44 is designed to pull the movable plate 41 back to its original position after it is moved.

[0027] A pull ring 42 is fixedly installed at one end of the movable plate 41. The pull ring 42 is movably disposed on the outside of the circuit breaker body 1, and the movable plate 41 can be pulled by the pull ring 42.

[0028] In this embodiment: When using the device, the circuit breaker body 1 can be installed on the slide rail first. Pull the pull ring 42 outward. When the pull ring 42 moves outward, it drives the movable plate 41 to slide outward. When the movable plate 41 moves outward, it contacts the slider 35 and pushes the slider 35 into the slide groove 35. At this time, the connecting block 31 can be pulled outward by the fixing block 32 until the wire insertion slot 2 is unobstructed. Release the upper pull ring 42. Under the action of the spring 44, the movable plate 41 can be automatically pulled back to the initial position. At this time, the wire can be inserted into the wire insertion slot 2. After insertion... After completion, the connecting block 31 is pushed into the mounting slot 11. When pushed, the wire in the socket 2 is squeezed and fixed by the connecting block 31. During the movement, the slider 35 on the connecting block 31 is pushed outward by the spring 36 and slides into the socket 2. It cooperates with the side wall of the socket 2 to automatically complete the fixing and installation of the wire. When in use, the connecting block 31 can be used to seal the socket 2. For sockets 2 that are not in use, it can prevent dust accumulation. The limiting position of the fixing structure 3 can be quickly released by the unlocking component 4. The operation is simple and convenient and can be installed quickly.

[0029] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A circuit breaker suitable for convenient installation in narrow spaces, comprising a circuit breaker body (1) and insertion slots (2) formed at the upper and lower ends of the circuit breaker body (1), characterized in that: The circuit breaker body (1) has an installation groove (11) on its side. A fixing structure (3) is installed inside the installation groove (11). The fixing structure (3) includes a connecting block (31) that is slidably installed in the installation groove (11). A plurality of sliding grooves (34) are equidistantly provided on the connecting block (31). A slider (35) is slidably installed in each of the sliding grooves (34). A spring (36) is fixedly installed on the side wall of the slider (35) and the inner wall of the sliding groove (34). The slider (35) is movably connected in the plug slot (2).

2. The circuit breaker according to claim 1, suitable for convenient installation in narrow spaces, characterized in that: A fixing block (32) is fixedly installed at one end of the connecting block (31). A slot (12) is provided on both sides of the mounting groove (11). A spring (33) is fixedly installed between the inner wall of the slot (12) and the side wall of the fixing block (32).

3. A circuit breaker suitable for convenient installation in narrow spaces according to claim 2, characterized in that: The sidewalls of the connecting block (31) are provided with unlocking components (4), and the unlocking components (4) include a movable plate (41) that is slidably installed on the sidewall of the mounting groove (11), and the movable plate (41) is in contact with the connecting block (31).

4. A circuit breaker suitable for convenient installation in narrow spaces according to claim 3, characterized in that: The movable plate (41) has a connecting groove (45) which is the same size as the plug groove (2).

5. A circuit breaker suitable for convenient installation in confined spaces according to claim 4, characterized in that: The movable plate (41) has grooves (43) on both sides of its sidewalls. A spring (44) is fixedly installed between the inner wall of the groove (43) and the inner wall of the mounting groove (11).

6. A circuit breaker suitable for convenient installation in confined spaces according to claim 5, characterized in that: A pull ring (42) is fixedly installed at one end of the movable plate (41), and the pull ring (42) is movably disposed on the outside of the circuit breaker body (1).

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