A molded case circuit breaker to prevent accidental touch

Abstract

The utility model discloses a molded case circuit breaker that prevents accidental touching, including a circuit breaker body and a fixing pin. A switch button is arranged on the outside of the circuit breaker body, a protective cover is arranged on the outside of the switch button, and a hinge seat is penetrated inside one end of the protective cover. The utility model makes the protective cover flip on the hinge seat through the cooperation between the protective cover and the hinge seat, and covers the switch button by flipping the protective cover, so that the protective cover preliminarily blocks the switch button to prevent the operator from accidentally touching the switch button, and simultaneously inserts a card block into the inside of a groove to make the card block and the buckle engage, so that the protective cover and the circuit breaker body are fixed, and further prevents the protective cover from being opened and accidentally touching the switch button, thereby improving the safety of the circuit breaker body, effectively avoiding accidental touching, and preventing power failure, which causes the circuit breaker body to stop running.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a molded case circuit breaker capable of preventing accidental touching. Background Art

[0002] A circuit breaker is a switch device that can carry and break current under normal circuit conditions, and can also carry and break current under abnormal circuit conditions within a specified time. It has two protection functions: overload protection and short circuit protection. Short circuit protection is completed by a tripping system. There are two ways to meet different current protections: one is to rely on overcoming the reaction springs of different force values, and the other is to adjust the magnetic distance between the armature and the yoke. In the prior art, the button on the circuit breaker usually extends out of the panel. If the operator accidentally touches the button, it will cause the function to start by mistake, affecting the normal operation of the circuit breaker, and the safety factor is low;

[0003] Chinese patent authorization announcement number CN210984649U discloses a molded case circuit breaker, including a circuit breaker body, a side of one side of the circuit breaker body is fixedly connected to one side of a limiting angle plate, the inner wall of the limiting angle plate is interlaced with the two sides of the outer wall of the mounting plate, and a plurality of circuit breaker mounting holes are provided in the middle of one side of the mounting plate. The utility model is a molded case circuit breaker, a card slot and a heat dissipation ventilation hole are provided through the circuit breaker body, a dustproof mesh plate is provided in the card slot, and the clamping screws on the fixing plate fix the cooling fan, so that the molded case circuit breaker has a better heat dissipation effect, can prevent the circuit breaker from overheating inside, prolong the service life of the circuit breaker, avoid the occurrence of fire, and protect the safety of personnel and property; the limiting angle plate is interlaced with the mounting plate, the mounting plate is provided with a circuit breaker mounting hole, and the mounting plate is provided with a pull ring, so that the molded case circuit breaker is more convenient to install, saves manpower and material resources, and improves work efficiency.

[0004] The above-mentioned existing technical solution has the following shortcomings: the switch of the molded case circuit breaker is in an exposed state, which makes the technical solution easy to be accidentally touched during use. If accidentally touched, the molded case circuit breaker will be tripped, causing the equipment to lose power and stop running, and then cause greater damage, so it is necessary to make corresponding improvements. Utility Model Content

[0005] The utility model aims to provide a molded case circuit breaker that prevents accidental touching, so as to solve the problem that the switch of the existing molded case circuit breaker is easy to be accidentally touched as mentioned in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a molded case circuit breaker for preventing accidental touch, comprising a circuit breaker body and a fixing pin, a switch button is arranged on the outside of the circuit breaker body, a protective cover is arranged on the outside of the switch button, and a hinge seat is penetrated inside one end of the protective cover, and a groove is arranged on the outside of the circuit breaker body;

[0007] The fixing pins are installed on both sides of the circuit breaker body, a dustproof net is connected between the fixing pins, and limiting grooves are arranged on both sides of the circuit breaker body.

[0008] Preferably, heat dissipation holes are evenly arranged on both sides of the circuit breaker body, and heat dissipation plates are arranged on both sides of the heat dissipation holes.

[0009] Preferably, a block is provided at the bottom of one side of the protective cover, and the protective cover is a trough body.

[0010] Preferably, buckles are provided on both sides of the groove, and the buckles and the clamping blocks are in a clamping state.

[0011] Preferably, connection blocks are evenly arranged on the outside of the fixing pin, and the connection blocks are hemispherical.

[0012] Preferably, the interior of the limiting groove is evenly provided with protrusions, and the protrusions are hemispherical. The connecting block and the protrusions are in a clamping state.

[0013] Preferably, the cross section of the heat sink is rectangular, and the heat sink is distributed on both sides of the circuit breaker body.

[0014] Preferably, the protective cover is made of acrylic material, and the cross-section of the protective cover is rectangular.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the anti-mis-touch molded case circuit breaker can prevent mis-touch and avoid power failure and stoppage, thus causing losses;

[0016] The protective cover and the hinge seat cooperate with each other to make the protective cover flip over on the hinge seat, and by flipping the protective cover, the protective cover covers the switch button, and the protective cover initially blocks the switch button to prevent the operator from accidentally touching the switch button. The card block is simultaneously inserted into the groove to make the card block and the buckle clamped, and the protective cover and the circuit breaker body are fixed, which further prevents the protective cover from being opened and accidentally touching the switch button, thereby improving the safety of the circuit breaker body, effectively avoiding accidental touch, and preventing power failure, causing the circuit breaker body to stop running and causing certain losses;

[0017] By providing heat dissipation holes, the heat dissipation holes can dissipate heat from the molded case circuit breaker in operation, thereby preventing the internal heat of the molded case circuit breaker from being too high and causing damage to the internal components. By providing a heat dissipation plate, the heat dissipation plate can dissipate the heat on the circuit breaker body into the air, thereby effectively controlling the heat generated by the circuit breaker body, reducing the temperature, and increasing the service life of the internal parts of the circuit breaker body.

[0018] By clamping the connecting block and the protrusion, the fixing pin and the limiting groove are fixed, even if the dustproof net is fixed on one side of the circuit breaker body, the heat dissipation holes are protected by the dustproof net to prevent external dust from entering the heat dissipation holes and causing blockages. By separating the connecting block from the protrusion, even if the fixing pin is out of the limiting groove, the dustproof net can be disassembled, which is convenient for cleaning the dustproof net for subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0022] Figure 3 It is a side view structural schematic diagram of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the fixing pin and the limiting groove of the utility model;

[0024] Figure 5 It is a three-dimensional structural schematic diagram of the protective cover and the hinged seat of the utility model;

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the groove, buckle and clamping block of the utility model.

[0026] Explanation of the reference numerals in the figure: 1. Circuit breaker body; 101. Heat dissipation hole; 102. Heat dissipation plate; 2. Switch button; 3. Protective cover; 301. Block; 4. Articulated seat; 5. Groove; 501. Buckle; 6. Fixing pin; 601. Connecting block; 7. Dustproof net; 8. Limiting groove; 801. Protrusion. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0028] See also Figure 1-Figure 6 , the utility model provides the following technical solutions:

[0029] Embodiment 1

[0030] In order to solve the problem in the prior art that the switch of the molded case circuit breaker is easily touched by mistake, resulting in power failure and stopping operation, the following solution is disclosed. For details, please refer to Figure 1 , Figure 2 , Figure 5 , Figure 6 , including a circuit breaker body 1 and a fixing pin 6. A switch button 2 is arranged on the outside of the circuit breaker body 1, a protective cover 3 is arranged on the outside of the switch button 2, and a hinge seat 4 is penetrated inside one end of the protective cover 3. A groove 5 is arranged on the outside of the circuit breaker body 1, a clamping block 301 is arranged at the bottom of one side of the protective cover 3, the protective cover 3 is a groove body, buckles 501 are arranged on both sides of the groove 5, the buckles 501 and the clamping block 301 are in a clamping state, the protective cover 3 is made of acrylic material, and the cross section of the protective cover 3 is rectangular.

[0031] In this embodiment, when in use, the protective cover 3 is turned over on the hinge seat 4 so that the protective cover 3 covers the switch button 2, that is, the protective cover 3 protects and shields the switch button 2 to prevent the operator from accidentally touching the switch button 2. At the same time, the clamping block 301 is inserted into the inside of the groove 5 to clamp the clamping block 301 and the buckle 501, that is, the protective cover 3 and the circuit breaker body 1 are fixed. When the protective cover 3 is not in use, the protective cover 3 is prevented from being easily opened, thereby preventing accidental touching, improving safety, and avoiding certain losses caused by accidentally touching the switch button 2.

[0032] Embodiment 2

[0033] This embodiment is different from the first embodiment. In order to solve the problem that the molded case circuit breaker in the prior art has weak heat dissipation and is inconvenient to prevent dust, the following solution is disclosed. For details, please refer to Figure 1 , Figure 3 , Figure 4 The fixing pins 6 are installed on both sides of the circuit breaker body 1, and a dust screen 7 is connected between the fixing pins 6. The limiting grooves 8 are arranged on both sides of the circuit breaker body 1. Heat dissipation holes 101 are evenly arranged on both sides of the circuit breaker body 1, and heat dissipation plates 102 are arranged on both sides of the heat dissipation holes 101. The outside of the fixing pins 6 is evenly provided with connecting blocks 601, and the connecting blocks 601 are hemispherical. The inside of the limiting grooves 8 is evenly provided with protrusions 801, and the protrusions 801 are hemispherical. The connecting blocks 601 and the protrusions 801 are in a clamping state. The cross section of the heat dissipation plates 102 is rectangular, and the heat dissipation plates 102 are distributed on both sides of the circuit breaker body 1.

[0034] In this embodiment, when in use, the heat dissipation hole 101 is used to dissipate heat from the running molded case circuit breaker to avoid high internal heat of the molded case circuit breaker. By providing a heat sink 102, the heat sink 102 conducts the heat on the circuit breaker body 1 to the air, reduces the temperature of the circuit breaker body 1, and increases the service life of the internal parts of the circuit breaker body 1. By clamping the connecting block 601 and the protrusion 801, the fixing pin 6 and the limiting groove 8 are fixed, even if the dustproof net 7 is fixed to one side of the circuit breaker body 1, the heat dissipation hole 101 is protected by the dustproof net 7 to prevent external dust from entering the interior of the heat dissipation hole 101 and causing blockage. By separating the connecting block 601 from the protrusion 801, even if the fixing pin 6 is out of the limiting groove 8, the dustproof net 7 can be disassembled, which is convenient for cleaning the dustproof net 7 for subsequent use.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A molded case circuit breaker for preventing accidental touch, comprising a circuit breaker body (1) and a fixing pin (6), wherein a switch button (2) is arranged on the outside of the circuit breaker body (1), a protective cover (3) is arranged on the outside of the switch button (2), and a hinge seat (4) is penetrated through the interior of one end of the protective cover (3), and a groove (5) is arranged on the outside of the circuit breaker body (1); Features: The fixing pins (6) are mounted on both sides of the circuit breaker body (1); a dust screen (7) is connected between the fixing pins (6); and limiting grooves (8) are provided on both sides of the circuit breaker body (1).

2. The molded case circuit breaker for preventing accidental touch according to claim 1, characterized in that: Heat dissipation holes (101) are evenly arranged on both sides of the circuit breaker body (1), and heat dissipation plates (102) are arranged on both sides of the heat dissipation holes (101).

3. The molded case circuit breaker for preventing accidental touch according to claim 1, characterized in that: A clamping block (301) is provided at the bottom of one side of the protective cover (3), and the protective cover (3) is a slot body.

4. The molded case circuit breaker for preventing accidental touch according to claim 1, characterized in that: Buckles (501) are provided on both sides of the interior of the groove (5), and the buckles (501) and the clamping block (301) are in a clamping state.

5. The molded case circuit breaker for preventing accidental touch according to claim 1, characterized in that: The outside of the fixing pin (6) is evenly provided with connection blocks (601), and the connection blocks (601) are hemispherical.

6. The molded case circuit breaker for preventing accidental touch according to claim 5, characterized in that: The interior of the limiting groove (8) is evenly provided with protrusions (801), and the protrusions (801) are hemispherical, and the connection block (601) and the protrusions (801) are in a clamping state.

7. The molded case circuit breaker for preventing accidental touch according to claim 2, characterized in that: The cross section of the heat dissipation plate (102) is rectangular, and the heat dissipation plates (102) are distributed on both sides of the circuit breaker body (1).

8. The molded case circuit breaker for preventing accidental touch according to claim 1, characterized in that: The protective cover (3) is made of acrylic material, and the cross-section of the protective cover (3) is rectangular.

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