Circuit breaker convenient to install

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a circuit breaker convenient to install, which comprises a circuit breaker body and an installation plate, screws penetrate through four corners of the installation plate, one side of the installation plate is fixedly connected with a T-shaped block, one side of the circuit breaker body is provided with a T-shaped groove matched with the T-shaped block, and the T-shaped groove is fixedly connected with the installation plate. The T-shaped block is provided with a limiting assembly used for fixing the circuit breaker body. The side, located on the T-shaped block, of the mounting plate is fixedly connected with a buffer assembly. According to the circuit breaker convenient to mount, after the mounting plate is fixed on the box body of the power supply equipment through the screws, the circuit breaker body is mounted on the mounting plate, and the circuit breaker body is fixed through the limiting assembly, so that the circuit breaker body is relatively convenient to disassemble and assemble, and the maintenance cost of the circuit breaker is effectively reduced; and the circuit breaker body can be well protected, so that the service life of the circuit breaker is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker which is easy to install. Background Art

[0002] A circuit breaker is a switching device that can close, carry and disconnect current under normal circuit conditions and can close, carry and disconnect current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The boundary between high and low voltage is relatively vague. Generally, those above 3kV are called high-voltage electrical appliances. Circuit breakers can be used to distribute electrical energy, start asynchronous motors infrequently, and protect power lines and motors. When they have serious overloads or short circuits and undervoltage faults, they can automatically cut off the circuit. Its function is equivalent to the combination of a fuse-type switch and an over- and under-temperature relay. Moreover, it is generally not necessary to change parts after breaking the fault current;

[0003] In the prior art, for example, announcement number CN218769334U proposes a waterproof circuit breaker. The present technical solution discloses a waterproof circuit breaker, including a circuit breaker body and a plurality of toggle switches installed on the circuit breaker body. A waterproof mechanism is provided on the periphery of the toggle switch. The waterproof mechanism includes a deformable waterproof gasket, an adhesive blade and a locking plate. The deformable waterproof gasket is wrapped around the lower end of the toggle switch. The adhesive blades are divided into four groups and evenly distributed on both sides of the deformable waterproof gasket. The four groups of adhesive blades are adhered to the circuit breaker body through a colloid. The upper end of the deformable waterproof gasket is inserted into the locking plate. The locking plate is embedded in the upper end of the toggle switch and includes a sleeve plate 1 and a sleeve plate 2. One sleeve plate is embedded in the front of the toggle switch and two groups of latches are symmetrically fixed at both ends. The present utility model is designed with a waterproof mechanism at the toggle switch position of the circuit breaker, which can always keep the gap at the connection between the toggle switch and the housing in a closed state during the toggle switch toggling back and forth, effectively improving the sealing and waterproof effect of the circuit breaker.

[0004] However, the existing circuit breakers are usually fixed directly to the inside of the box of the power supply equipment by screws, or directly welded. When the circuit breaker inside the box has a problem, it is difficult for maintenance personnel to remove the circuit breaker from the inside of the box, which makes maintenance more troublesome and increases the cost of maintenance. In addition, the longer the power outage time, the greater the loss.

[0005] In order to solve the above problems, the present application proposes a circuit breaker which is easy to install. Utility Model Content

[0006] The utility model aims to provide a circuit breaker that is easy to install, mainly used to solve the problem that the existing circuit breaker is inconvenient to disassemble and assemble, which makes the maintenance of the circuit breaker more troublesome, increases the maintenance cost, and the longer the power outage time, the greater the loss.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A circuit breaker that is easy to install comprises a circuit breaker body and a mounting plate, wherein screws penetrate through four corners of the mounting plate, a T-shaped block is fixedly connected to one side of the mounting plate, a T-shaped slot matching the T-shaped block is provided on one side of the circuit breaker body, a limiting component for fixing the circuit breaker body is provided on the T-shaped block, and a buffer component is fixedly connected to one side of the mounting plate located on the T-shaped block.

[0009] The working principle and beneficial effects of the utility model:

[0010] 1. Working principle: When installing the circuit breaker, first fix the mounting plate to the box of the power supply equipment with multiple screws, then align the T-slot on the circuit breaker body with the T-block on the mounting plate and slide the circuit breaker body toward the mounting plate. After the circuit breaker body moves to a certain extent, the limit assembly can better fix it and the circuit breaker can be used normally.

[0011] 2. Beneficial effects: After the mounting plate is fixed to the box of the power supply equipment by screws, the circuit breaker body is installed on the mounting plate and fixed by the limit assembly. This makes the disassembly and assembly of the circuit breaker body more convenient, thereby effectively reducing the maintenance cost of the circuit breaker. The buffer assembly arranged on the mounting plate can better protect the circuit breaker body, thereby effectively extending the service life of the circuit breaker.

[0012] Preferably, the limiting assembly includes a T-shaped block, the top and bottom of which are both provided with sliding cavities, a wedge-shaped block is slidably connected inside the sliding cavity, a T-shaped block extends from one side of the wedge-shaped block, a telescopic rod is fixedly connected to the other side of the wedge-shaped block, the other end of the telescopic rod is fixedly connected to the inner wall of the sliding cavity, a first spring is sleeved on the outer wall of the telescopic rod, one end of the first spring is fixedly connected to the wedge-shaped block, and the other end is fixedly connected to the inner wall of the sliding cavity, when the T-shaped slot on the circuit breaker body is aligned with the T-shaped block on the mounting plate and the circuit breaker body is slid toward the mounting plate, the wedge block is squeezed and moves into the sliding cavity When the circuit breaker body moves to a certain extent, the wedge block will pop out under the action of the telescopic rod and the first spring, thereby better fixing the circuit breaker body, and the circuit breaker can be used normally. When the circuit breaker needs to be disassembled, the wedge block is pressed to completely enter the sliding cavity, and then the circuit breaker body can be slid outward to be disassembled. In this way, the disassembly and assembly of the circuit breaker body are relatively convenient, thereby effectively reducing the maintenance cost of the circuit breaker.

[0013] Preferably, the buffer assembly includes a mounting plate located on one side of the T-shaped block and fixedly connected to a fixing plate, four corners of one side of the fixing plate are fixedly connected to damping rods, the other end of the damping rod is fixedly connected to the buffer plate, the outer wall of the damping rod is sleeved with a second spring, one end of the second spring is fixedly connected to the buffer plate, and the other end is fixedly connected to the fixing plate. After the circuit breaker body is installed on the mounting plate, one side of the buffer plate will be tightly pressed against the circuit breaker body, and the damping rod and the second spring will be in a compressed state. The advantage of such a setting is that when the circuit breaker is hit during use, it can provide better buffering protection for the circuit breaker body, thereby effectively extending the service life of the circuit breaker.

[0014] Preferably, sliders are fixedly connected to both sides of the wedge block, and the inner wall of the sliding cavity is provided with sliding grooves matching the sliders. When the wedge block slides inside the sliding cavity, the sliders arranged on both sides of the wedge block and the sliding grooves provided on the inner wall of the sliding cavity can play a better role in limiting and guiding the wedge block, thereby making the wedge block more stable when sliding inside the sliding cavity and effectively preventing the wedge block from escaping from the sliding cavity.

[0015] Preferably, the screw is an embedded hexagonal setting, and the outermost end of the screw is not higher than one side of the mounting plate. After the screw is installed, the outermost end of the screw is not higher than one side of the mounting plate, so that it will not bulge out and cause wear. The screw is an embedded hexagonal setting, and the screw with an embedded hexagonal setting can rotate better during installation, reducing the possibility of slip angle.

[0016] Preferably, the number of telescopic rods inside the sliding cavity is two, and the telescopic rods are symmetrically arranged inside the sliding cavity. By setting the number of telescopic rods inside the sliding cavity to two, the outer walls of the two telescopic rods are sleeved with first springs, so that the telescopic rods and the first springs can exert a greater thrust on the wedge block, thereby better fixing the circuit breaker body, thereby making the circuit breaker more stable when in use.

[0017] Preferably, a rubber pad is fixedly connected to one side of the buffer plate close to the circuit breaker body. Since the rubber material has good wear resistance and cushioning properties, the rubber pad arranged on one side of the buffer plate can not only better fix the circuit breaker body, but also effectively avoid hard contact between the circuit breaker body and the buffer plate, thereby providing better protection for the circuit breaker body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model as a whole;

[0020] Figure 3 It is a schematic diagram of the overall structure of the mounting plate of the utility model;

[0021] Figure 4 It is a schematic diagram of the overall structure of the circuit breaker body of the utility model;

[0022] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0023] In the figure: 1, circuit breaker body; 2, mounting plate; 3, screw; 4, T-shaped block; 5, T-shaped slot; 6, sliding cavity; 7, wedge block; 8, telescopic rod; 9, first spring; 10, fixing plate; 11, damping rod; 12, buffer plate; 13, second spring; 14, slider; 15, slide slot; 16, rubber pad. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 A circuit breaker that is easy to install includes a circuit breaker body 1 and a mounting plate 2. Screws 3 are inserted through the four corners of the mounting plate 2. When installing the circuit breaker, the mounting plate 2 is first fixed to the box of the power supply equipment through multiple screws 3. The screws 3 are embedded hexagonal settings, which allows the screws 3 to rotate better during installation and reduces the possibility of slip angles. The outermost end of the screw 3 is not higher than one side of the mounting plate 2, so that the screw 3 will not protrude and cause wear, thereby effectively extending the service life of the screw 3. A T-shaped block 4 is fixedly connected to one side of the mounting plate 2. The circuit breaker body A T-shaped slot 5 matching the T-shaped block 4 is provided on one side of the circuit breaker body 1, and a limit assembly for fixing the circuit breaker body 1 is provided on the T-shaped block 4. The T-shaped slot 5 on the circuit breaker body 1 is aligned with the T-shaped block 4 on the mounting plate 2 and the circuit breaker body 1 is slid toward the mounting plate 2. After the circuit breaker body 1 moves to a certain extent, the limit assembly can better fix it, and the circuit breaker can be used normally. The mounting plate 2 is located on one side of the T-shaped block 4 and is fixedly connected with a buffer assembly, which can better protect the circuit breaker body 1, thereby effectively extending the service life of the circuit breaker.

[0026] like Figure 2 and Figure 5As shown, the limit assembly includes a T-shaped block 4, the top and bottom of which are both provided with a sliding cavity 6, a wedge block 7 is slidably connected inside the sliding cavity 6, both sides of the wedge block 7 are fixedly connected with sliders 14, the inner wall of the sliding cavity 6 is provided with a sliding groove 15 matching the slider 14, a T-shaped block 4 extends from one side of the wedge block 7, a symmetrical telescopic rod 8 is fixedly connected to the other side of the wedge block 7, the other end of the telescopic rod 8 is fixedly connected to the inner wall of the sliding cavity 6, the outer wall of the telescopic rod 8 is sleeved with a first spring 9, one end of the first spring 9 is fixedly connected to the wedge block 7, and the other end is fixedly connected to the inner wall of the sliding cavity 6, the T-shaped slot 5 on the circuit breaker body 1 is aligned with the T-shaped block 4 on the mounting plate 2 and the circuit breaker body is mounted. When the body 1 slides toward the mounting plate 2, the wedge block 7 is squeezed and moves toward the inside of the sliding cavity 6, squeezing the telescopic rod 8 and the first spring 9 and making the telescopic rod 8 and the first spring 9 in a compressed state. When the circuit breaker body 1 moves to a certain extent, the wedge block 7 pops out under the action of the telescopic rod 8 and the first spring 9, thereby having a good fixing effect on the circuit breaker body 1, and the circuit breaker can be used normally. When the circuit breaker needs to be disassembled, the wedge block 7 is pressed at the same time to make it completely enter the sliding cavity 6, and then the circuit breaker body 1 can be slid outward and disassembled, which makes the disassembly and assembly of the circuit breaker body 1 more convenient, thereby effectively reducing the maintenance cost of the circuit breaker.

[0027] like Figure 3 As shown, the buffer assembly includes a mounting plate 2 located on one side of the T-shaped block 4 and fixedly connected to a fixing plate 10, four corners of one side of the fixing plate 10 are fixedly connected to damping rods 11, the other end of the damping rod 11 is fixedly connected to a buffer plate 12, the side of the buffer plate 12 close to the circuit breaker body 1 is fixedly connected to a rubber pad 16, the outer wall of the damping rod 11 is sleeved with a second spring 13, one end of the second spring 13 is fixedly connected to the buffer plate 12, and the other end is fixedly connected to the fixing plate 10. After the circuit breaker body 1 is installed on the mounting plate 2, the rubber pad 16 on one side of the buffer plate 12 will be pressed against the circuit breaker body 1, and the damping rod 11 and the second spring 13 are in a compressed state. The advantage of such a setting is that when the circuit breaker is hit during use, it can provide better buffering protection for the circuit breaker body 1, thereby effectively extending the service life of the circuit breaker.

[0028] From the above, it can be seen that the specific implementation of the utility model is as follows:

[0029] When installing the circuit breaker, first fix the mounting plate 2 on the box of the power supply equipment through multiple screws 3, then align the T-slot 5 on the circuit breaker body 1 with the T-block 4 on the mounting plate 2 and slide the circuit breaker body 1 toward the mounting plate 2. The wedge block 7 is squeezed and moves toward the inside of the sliding cavity 6, while squeezing the telescopic rod 8 and the first spring 9 and making the telescopic rod 8 and the first spring 9 in a compressed state. After the circuit breaker body 1 moves to a certain extent, the wedge block 7 pops out under the action of the telescopic rod 8 and the first spring 9, thereby better fixing the circuit breaker body 1, and the circuit breaker can be used normally. After the body 1 is installed on the mounting plate 2, the rubber pad 16 on one side of the buffer plate 12 will be pressed against the circuit breaker body 1, and the damping rod 11 and the second spring 13 will be in a compressed state. In this way, when the circuit breaker is hit during use, it can provide better buffering protection for the circuit breaker body 1, thereby effectively extending the service life of the circuit breaker. When the circuit breaker needs to be disassembled, the wedge block 7 is pressed at the same time to make it completely enter the sliding cavity 6, and then the circuit breaker body 1 can be slid outward and disassembled. In this way, the disassembly and assembly of the circuit breaker body 1 are relatively convenient, thereby effectively reducing the maintenance cost of the circuit breaker.

[0030] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A circuit breaker that is easy to install, comprising a circuit breaker body (1) and a mounting plate (2), characterized in that: Screws (3) are inserted through the four corners of the mounting plate (2); a T-shaped block (4) is fixedly connected to one side of the mounting plate (2); a T-shaped slot (5) matching the T-shaped block (4) is provided on one side of the circuit breaker body (1); a limit assembly for fixing the circuit breaker body (1) is provided on the T-shaped block (4); and a buffer assembly is fixedly connected to one side of the mounting plate (2) located on the T-shaped block (4).

2. A circuit breaker that is easy to install according to claim 1, characterized in that: The limiting assembly comprises a T-shaped block (4) having a sliding cavity (6) on the top and bottom, a wedge-shaped block (7) being slidably connected inside the sliding cavity (6), the T-shaped block (4) extending from one side of the wedge-shaped block (7), a telescopic rod (8) being fixedly connected to the other side of the wedge-shaped block (7), the other end of the telescopic rod (8) being fixedly connected to the inner wall of the sliding cavity (6), the outer wall of the telescopic rod (8) being sleeved with a first spring (9), one end of the first spring (9) being fixedly connected to the wedge-shaped block (7), and the other end being fixedly connected to the inner wall of the sliding cavity (6).

3. A circuit breaker that is easy to install according to claim 1, characterized in that: The buffer assembly comprises a mounting plate (2) located on one side of a T-shaped block (4) and fixedly connected to a fixing plate (10); four corners of one side of the fixing plate (10) are fixedly connected to damping rods (11); the other end of the damping rod (11) is fixedly connected to a buffer plate (12); a second spring (13) is sleeved on the outer wall of the damping rod (11); one end of the second spring (13) is fixedly connected to the buffer plate (12), and the other end is fixedly connected to the fixing plate (10).

4. A circuit breaker that is easy to install according to claim 2, characterized in that: Slide blocks (14) are fixedly connected to both sides of the wedge block (7), and the inner wall of the slide cavity (6) is provided with a slide groove (15) matching the slide block (14).

5. The circuit breaker that is easy to install according to claim 1, characterized in that: The screw (3) is an embedded hexagonal arrangement, and the outermost end of the screw (3) is not higher than one side of the mounting plate (2).

6. A circuit breaker that is easy to install according to claim 2, characterized in that: There are two telescopic rods (8) inside the sliding cavity (6), and the telescopic rods (8) are symmetrically arranged inside the sliding cavity (6).

7. A circuit breaker that is easy to install according to claim 3, characterized in that: A rubber pad (16) is fixedly connected to one side of the buffer plate (12) close to the circuit breaker body (1).

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