CN221101963U

CN221101963U - Circuit breaker

Info

Publication number: CN221101963U
Application number: CN202322501034.6U
Authority: CN
Inventors: 张燕燕; 陈海冰; 包浩翔; 陈琴剑
Original assignee: Shenzhen Haohui New Energy Technology Co ltd
Current assignee: Shenzhen Haohui New Energy Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-06-07
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to the technical field of circuit breakers and discloses a circuit breaker, which comprises a main body mechanism, a safety protection mechanism and an operating mechanism, wherein the safety protection mechanism is positioned at the lower end of the main body mechanism, the operating mechanism is positioned in the safety protection mechanism, the main body mechanism comprises a protection frame, a dust screen and a mounting fixing plate, the dust screen is fixedly arranged at the left end of the protection frame, the mounting fixing plate is fixedly arranged at the left end of the dust screen, and the main body mechanism further comprises a mounting hole, a movable door, a handle, a protection shell and a ventilation net. This high-power circuit breaker of security, through the installation to main part mechanism, can prevent through the protective frame that the circuit breaker from receiving the collision at the dismantlement in-process, the cleanliness factor of circuit breaker can be ensured to the dust screen, and the ventilation net can be with the high temperature that the circuit breaker produced effectively dispelling, can have fine guard action to the circuit breaker through the protecting crust, has improved the security of circuit breaker effectively.

Description

Circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker.

Background

The circuit breaker is a switching device capable of switching on, carrying and off a current under normal circuit conditions and switching on, carrying and off a current under abnormal circuit conditions within a prescribed time, and is classified into a high-voltage circuit breaker and a low-voltage circuit breaker according to its use range, and the high-voltage and low-voltage boundary line division is fuzzy, and is generally referred to as a high-voltage electrical appliance of 3kV or more.

The prior patent CN113205974A discloses a high-safety breaker for high-speed rail, which is arranged through a smoke analysis mechanism, a temperature sensor and the like in a mechanism box, so that the worst condition is foreseen and emergency measures are made, the cooling mechanism is prevented from being failed, the breaker is prevented from causing larger hazard due to fire, the occurrence of electric arc and other conditions caused by more dust and other reasons in the mechanism box is prevented through the arrangement of a check valve and the like, and the nitrogen filling condition in the mechanism box is conveniently observed in real time and is rapidly supplemented through the arrangement of a balloon.

However, in the prior art, though the balloon is arranged, the condition of filling nitrogen in the mechanism box can be conveniently observed in real time and can be quickly replenished, because the breaker is generally heavier, if people or other articles are carelessly collided in the process of disassembly, installation or transportation, personnel injury or article damage can be caused, if the staff does not find the damage of the breaker in time, and if the operation is improper, electric shock injury can be caused.

Disclosure of utility model

(One) solving the technical problems

The utility model aims to provide a circuit breaker, which solves the problems that the circuit breaker is heavy and can cause personnel injury or article damage if the circuit breaker is carelessly collided with a human body or other articles in the process of disassembly, installation or transportation.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the circuit breaker comprises a main body mechanism, a safety protection mechanism and an operating mechanism, wherein the safety protection mechanism is positioned at the lower end of the main body mechanism, the operating mechanism is positioned in the safety protection mechanism, the main body mechanism comprises a protection frame, a dust screen and a mounting fixing plate, the dust screen is fixedly arranged at the left end of the protection frame, and the mounting fixing plate is fixedly arranged at the left end of the dust screen;

Preferably, the main body mechanism further comprises a mounting hole, a movable door, a handle, a protective shell and a ventilation net, wherein the mounting hole is fixedly arranged at the right end of the mounting fixing plate, the movable door is movably arranged at the right end of the mounting hole, the handle is fixedly arranged at the right end of the movable door, the protective shell is fixedly arranged at the left end of the handle, and the ventilation net is fixedly arranged at the lower end of the protective shell.

Preferably, the safety protection mechanism comprises a safety lock, an electric rod sleeve, a telescopic rod, a fixing clamping groove, a lock shell, a placing groove, an electric push rod and a lock catch, wherein the safety lock is arranged at the right end of the ventilation net, and the electric rod sleeve is fixedly arranged at the right end of the safety lock.

Preferably, the telescopic link movable mounting is in the left end of installation electric rod cover, fixed draw-in groove fixed mounting is in the right-hand member of telescopic link, lock shell fixed mounting is in the left end of fixed draw-in groove.

Preferably, the standing groove fixed mounting is in the left end of lock shell, electric putter fixed mounting is in the right-hand member of standing groove, hasp fixed mounting is in electric putter's lower extreme.

Preferably, the operating mechanism comprises a breaker body, an operating rod, a rotating block, a handle, a switch and a fixing screw, wherein the breaker body is fixedly arranged in the protective shell.

Preferably, the operating rod is fixedly arranged at the right end of the breaker body, the rotating block is movably arranged at the left end of the operating rod, and the handle is fixedly arranged at the rear end of the rotating block.

Preferably, the switch is movably arranged at the upper end of the handle, and the fixing screw is movably arranged at the upper end of the switch.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the high-power circuit breaker with high safety, the main body mechanism is installed, the circuit breaker can be prevented from being collided in the disassembling process through the protection frame, the cleanliness of the circuit breaker can be ensured by the dustproof net, the high temperature generated by the circuit breaker can be effectively dissipated by the ventilation net, the circuit breaker can be well protected through the protection shell, and the safety of the circuit breaker is effectively improved;

2. According to the high-power circuit breaker with high safety, the circuit breaker can be ensured to be absolutely closed through the safety lock by installing the safety protection mechanism, the circuit breaker is kept in a safe state, a warning effect can be achieved, and the safety of the circuit breaker is effectively improved;

3. This high-power circuit breaker of security, through the installation to operating device, the action bars mainly used manual operation, through manual rotatory action bars, can realize the operation such as switch, the protection of circuit breaker, improved the security and the convenience of circuit breaker effectively.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a plane surface of the safety protection mechanism of the present utility model;

FIG. 3 is a schematic perspective view of an operating mechanism according to the present utility model;

FIG. 4 is a schematic view of a plane surface of the operating mechanism of the present utility model;

fig. 5 is a partially enlarged schematic view of the operating mechanism of the present utility model.

In the figure: 1. a main body mechanism; 101. a protective frame; 102. a dust screen; 103. installing a fixing plate; 104. a mounting hole; 105. a movable door; 106. a handle; 107. a protective shell; 108. a ventilation screen; 2. a safety protection mechanism; 201. a safety lock; 202. an electric rod sleeve; 203. a telescopic rod; 204. a fixing slot; 205. a lock case; 206. a placement groove; 207. an electric push rod; 208. locking; 3. an operating mechanism; 301. a circuit breaker body; 302. an operation lever; 303. a rotating block; 304. a handle; 305. a switch; 306. and (5) fixing a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a circuit breaker, including main body mechanism 1, safety protection mechanism 2 and operating device 3, safety protection mechanism 2 is located the lower extreme of main body mechanism 1, operating device 3 is located the inside of safety protection mechanism 2, main body mechanism 1 includes protection frame 101, dust screen 102 and installation fixed plate 103, dust screen 102 fixed mounting is at the left end of protection frame 101, installation fixed plate 103 fixed mounting is at the left end of dust screen 102, main body mechanism 1 still includes mounting hole 104, dodge gate 105, handle 106, protection shell 107 and ventilation net 108, mounting hole 104 fixed mounting is at the right-hand member of installation fixed plate 103, dodge gate 105 movable mounting is at the right-hand member of mounting hole 104, handle 106 fixed mounting is at the right-hand member of dodge gate 105, protection shell 107 fixed mounting is at the left end of handle 106, ventilation net 108 fixed mounting is at the lower extreme of protection shell 107, install the installation fixed plate 103 through mounting hole 104, handle 106 opens dodge gate 105 through ventilation net 108.

The safety protection mechanism 2 comprises a safety lock 201, an electric rod sleeve 202, a telescopic rod 203, a fixing clamping groove 204, a lock shell 205, a placing groove 206, an electric push rod 207 and a lock catch 208, wherein the safety lock 201 is fixedly installed at the right end of a ventilation net 108, the electric rod sleeve 202 is fixedly installed at the right end of the safety lock 201, the telescopic rod 203 is movably installed at the left end of the electric rod sleeve 202, the fixing clamping groove 204 is fixedly installed at the right end of the telescopic rod 203, the lock shell 205 is fixedly installed at the left end of the fixing clamping groove 204, the placing groove 206 is fixedly installed at the left end of the lock shell 205, the electric push rod 207 is fixedly installed at the right end of the placing groove 206, the lock catch 208 is fixedly installed at the lower end of the electric push rod 207, the electric push rod 207 is started to conveniently adjust the lock catch 208, the lock catch 208 stretches out from the fixing clamping groove 204, and then the electric rod sleeve 202 is started to stretch the telescopic rod 203 into the lock shell 205.

The operating mechanism 3 comprises a breaker body 301, an operating rod 302, a rotating block 303, a handle 304, a switch 305 and a fixing screw 306, wherein the breaker body 301 is fixedly installed in the protective shell 107, the operating rod 302 is fixedly installed at the right end of the breaker body 301, the rotating block 303 is movably installed at the left end of the operating rod 302, the handle 304 is fixedly installed at the rear end of the rotating block 303, the switch 305 is movably installed at the upper end of the handle 304, the fixing screw 306 is movably installed at the upper end of the switch 305, the rotating block 303 drives the operating rod 302 to control the breaker body 301, the switch 305 is operated, and the switch 306 is installed more firmly.

Working principle: the user will install fixed plate 103 through mounting hole 104, open dodge gate 105 through handle 106, dispel the heat through ventilation net 108, open safety lock 201, start electric putter 207 be convenient for adjust hasp 208, make hasp 208 stretch out and draw back from fixed draw-in groove 204, then restart electric putter cover 202 is with telescopic link 203 inside lock shell 205, drive action bars 302 control circuit breaker body 301 through turning block 303, operate through switch 305, more firm with its installation through set screw 306.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a circuit breaker, includes main part mechanism (1), safety protection mechanism (2) and operating device (3), its characterized in that: the safety protection mechanism (2) is positioned at the lower end of the main body mechanism (1), the operating mechanism (3) is positioned in the safety protection mechanism (2), the main body mechanism (1) comprises a protection frame (101), a dust screen (102) and a mounting fixing plate (103), the dust screen (102) is fixedly arranged at the left end of the protection frame (101), and the mounting fixing plate (103) is fixedly arranged at the left end of the dust screen (102);

The main body mechanism (1) further comprises a mounting hole (104), a movable door (105), a handle (106), a protective shell (107) and a ventilation net (108), wherein the mounting hole (104) is fixedly arranged at the right end of the mounting fixing plate (103), the movable door (105) is movably arranged at the right end of the mounting hole (104), the handle (106) is fixedly arranged at the right end of the movable door (105), the protective shell (107) is fixedly arranged at the left end of the handle (106), and the ventilation net (108) is fixedly arranged at the lower end of the protective shell (107).

2. A circuit breaker according to claim 1, characterized in that: safety protection mechanism (2) are including safety lock (201), electric rod cover (202), telescopic link (203), fixed draw-in groove (204), lock shell (205), standing groove (206), electric putter (207) and hasp (208), safety lock (201) fixed mounting is at the right-hand member of ventilation net (108), electric rod cover (202) fixed mounting is at the right-hand member of safety lock (201).

3. A circuit breaker according to claim 2, characterized in that: the telescopic rod (203) is movably arranged at the left end of the electric rod sleeve (202), the fixed clamping groove (204) is fixedly arranged at the right end of the telescopic rod (203), and the lock shell (205) is fixedly arranged at the left end of the fixed clamping groove (204).

4. A circuit breaker according to claim 3, characterized in that: the holding groove (206) is fixedly arranged at the left end of the lock shell (205), the electric push rod (207) is fixedly arranged at the right end of the holding groove (206), and the lock catch (208) is fixedly arranged at the lower end of the electric push rod (207).

5. A circuit breaker according to claim 4, wherein: the operating mechanism (3) comprises a breaker body (301), an operating rod (302), a rotating block (303), a handle (304), a switch (305) and a fixing screw (306), wherein the breaker body (301) is fixedly installed inside the protective shell (107).

6. A circuit breaker according to claim 5, wherein: the operating rod (302) is fixedly arranged at the right end of the breaker body (301), the rotating block (303) is movably arranged at the left end of the operating rod (302), and the handle (304) is fixedly arranged at the rear end of the rotating block (303).

7. A circuit breaker according to claim 6, wherein: the switch (305) is movably arranged at the upper end of the handle (304), and the fixing screw (306) is movably arranged at the upper end of the switch (305).