CN212659495U

CN212659495U - Compact circuit breaker

Info

Publication number: CN212659495U
Application number: CN202021514362.XU
Authority: CN
Inventors: 周贤武; 胡乐和
Original assignee: Shanghai Changcheng Switch Factory Co ltd
Current assignee: Shanghai Changcheng Switch Factory Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-05
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a compact circuit breaker, its technical scheme main points are including instructing hole and mount, instruct piece and instruct hole sliding connection, and the driving medium rotates to be connected on the inner wall of casing, is provided with roof and push pedal on the driving medium, is provided with the pothook on the roof, and the coil internal slip is provided with the iron core, instructs to be provided with fixture block and elastic component on the piece. The utility model discloses following beneficial effect has: when electricity leaks, the clamping block is separated from the clamping hook, the indicating rod is not limited to move, the elastic piece can push the indicating rod to pass through the indicating hole and extend out of the shell to prompt the electric leakage of the circuit, and therefore maintenance personnel can be reminded of checking and maintaining the circuit.

Description

Compact circuit breaker

Technical Field

The utility model relates to a circuit breaker, more specifically say, it relates to a compact circuit breaker.

Background

The breaker is a switching device capable of closing and carrying a current under a normal circuit condition and opening a current under an abnormal circuit condition within a predetermined time. When the circuit breaker breaks the circuit, the circuit breaker is broken due to unclear what conditions cause, for example, whether the circuit breaker has electric leakage, so that detection and investigation are needed before maintenance, and maintenance personnel are inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a compact circuit breaker, this circuit breaker can obviously indicate out whether there is the electric leakage.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a compact circuit breaker, which comprises a housin, still including instruction piece and driving medium, the casing is provided with instruction hole and mount, instruct piece and instruct hole sliding connection, the driving medium rotates to be connected on the inner wall of casing, be provided with roof and push pedal on the driving medium, be provided with the pothook on the roof, be provided with the coil in the mount, it is provided with the iron core to slide in the coil, the iron core slides along the length direction of coil, and the iron core is used for promoting the push pedal, be provided with fixture block and elastic component on instructing the piece, the one end of elastic component is connected on the casing, the pothook is used for hooking the fixture block, when the electric leakage, the coil circular telegram, and produce magnetic field and promote the iron core and remove, the iron core promotes the push pedal and rotates around the driving medium.

The utility model discloses further set up to: still be provided with in the casing and pop out the room, indicate the piece still to be provided with the gag lever post, pop out the room and be provided with the flange, the flange is provided with the through-hole, and the through-hole is used for supplying the gag lever post to pass to be provided with the step, the elastic component is the spring, and the spring housing is established on the gag lever post, and the one end of spring is connected on the step.

The utility model discloses further set up to: the indicating block is further provided with a connecting plate, and the clamping block is arranged at the lower end of the connecting plate and faces the top plate.

The utility model discloses further set up to: and a limiting plate is further arranged in the shell and arranged on one side of the push plate, which is back to the iron core, so as to limit the rotation range of the push plate.

The utility model discloses further set up to: still be provided with first deflector in the casing, first deflector sets up in the connecting plate one side of limiting plate dorsad to form first guide way, connecting plate and first guide way sliding connection.

The utility model discloses further set up to: still be provided with the second deflector in the casing, the second deflector sets up in the connecting plate one side of casing dorsad to the inner wall of cooperation casing forms the second guide way, connecting plate and second guide way sliding connection, and first guide way and second guide way set up on same straight line, and the connecting plate slides along this rectilinear direction.

The utility model discloses further set up to: still including the hasp, the hasp rotates to be connected on the casing, is provided with the buckle on the hasp, still is provided with the butt board on the connecting plate, and the butt board sets up towards the buckle to the setting is in the below of buckle, and when the connecting plate removed, the butt board supported and leans on the buckle, rotates with the drive buckle.

The utility model discloses further set up to: the clamping block is provided with an arc-shaped surface which faces the clamping hook.

The utility model discloses further set up to: one end of the iron core is provided with an aluminum thimble, and the surface of the aluminum thimble is subjected to oxidation treatment.

The utility model discloses further set up to: the indicating hole is provided on the top surface of the housing.

To sum up, the utility model discloses following beneficial effect has: when no electric leakage occurs, the clamping block is inserted into the clamping hook, and the indicating block is arranged in the indicating hole. When the electric leakage happens, the coil is electrified, the magnetic field is generated to push the iron core to move, the iron core is abutted to the push plate to push the push plate to rotate, the top plate is driven to rotate along with the push plate, the clamping block is separated from the clamping hook, the indication block is not limited to move, one end of the elastic piece is connected to the shell and has certain elastic force, the elastic piece can push the indication block to pass through the indication hole, one end of the indication block extends out of the shell, the electric leakage of the circuit is prompted, and maintenance personnel can be facilitated to maintain.

Drawings

Fig. 1 is a schematic diagram of a leakage three-dimensional structure of a compact circuit breaker;

FIG. 2 is an enlarged view A of FIG. 1;

FIG. 3 is a schematic diagram of a structure of an indicator block;

FIG. 4 is a schematic view of the transmission member;

FIG. 5 is a schematic structural view of the fixing frame;

fig. 6 is a schematic diagram of a non-leakage structure of the compact circuit breaker.

Reference numerals: 1. a housing; 11. an indicator hole; 12. an ejection chamber; 121. a through hole; 13. a first guide groove; 131. a first guide plate; 14. a limiting plate; 15. a first guide plate; 151. a second guide plate; 2. an indication block; 21. a clamping block; 211. an arc-shaped surface; 22. a connecting plate; 221. a butt joint plate; 23. a limiting rod; 231. an elastic member; 3. a fixed mount; 31. a coil; 32. an iron core; 33. an aluminum thimble 4 and a transmission part; 42. a top plate; 421. a hook; 43. pushing the plate; 5. locking; 51. and (5) buckling the plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-6, a compact circuit breaker includes a housing 1, an indicating block 2 and a transmission member 4, the housing 1 is provided with an indicating hole 11 and a fixing frame 3, the indicating block 2 is slidably connected to the indicating hole 11, the transmission member 4 is rotatably connected to an inner wall of the housing 1, the transmission member 4 is provided with a top plate 42 and a push plate 43, the top plate 42 is provided with a hook 421, the fixing frame 3 is provided with a coil 31, the coil 31 is provided with an iron core 32 in a sliding manner, the iron core 32 slides along a length direction of the coil 31, the iron core 32 is used for pushing the push plate 43, the indicating block 2 is provided with a latch 21 and an elastic member 231, one end of the elastic member 231 is connected to the housing 1, the latch 421 is used for hooking the latch 21, when an electric leakage occurs, the coil 31 is energized and generates a magnetic field to push the iron core 32 to move, the iron core 32 pushes the, the latch 21 is disengaged from the hook 421, and the elastic element 231 pushes one end of the indicating block 2 to pass through the indicating hole 11.

With the above arrangement, when no leakage occurs, the latch 21 is inserted into the latch 421, and the indication block 2 is disposed in the indication hole 11. When electricity leaks, the coil 31 is electrified to generate a magnetic field to push the iron core 32 to move and abut against the push plate 43 to push the push plate 43 to rotate, so as to drive the top plate 42 to rotate along with the iron core, so that the clamping block 21 is separated from the clamping hook 421, the movement of the indication block 2 is not limited, one end of the elastic piece 231 is connected to the shell 1 and has certain elastic force, so that the elastic piece 231 can push the indication block 2 to pass through the indication hole 11, and one end of the indication block 2 extends out of the shell 1 to prompt the circuit to leak electricity, so that maintenance personnel can be facilitated to maintain the circuit.

As a modified specific embodiment, as shown in fig. 2, an ejection chamber 12 is further disposed in the housing 1, the indication block 2 is further provided with a limit rod 23, the ejection chamber 12 is provided with a rib 122, the rib 122 is provided with a through hole 121, the through hole 121 is used for the limit rod 23 to pass through and is provided with a step 123, the elastic member 231 is a spring, the spring is sleeved on the limit rod 23, and one end of the spring is connected to the step 123.

With the above arrangement, the indicator block 2 is disposed in the ejection chamber 12, and the rib 122 provides support for the elastic member 231. When the latch 21 is disengaged from the hook 421, the elastic element 231 drives the indicating block 2 to move, so that the indicating block 2 moves outwards from the ejecting chamber 12 and is exposed outwards through the indicating hole 11. The elastic member 231 is a spring, and is sleeved on the limiting rod 23 and is matched with the step 123 for limiting, so that the elastic member 231 is prevented from falling off or deforming.

As a modified embodiment, as shown in fig. 3, the indicator block 2 is further provided with a connecting plate 22, and the latch 21 is provided at a lower end of the connecting plate 22 and is disposed toward the top plate 42.

With the above arrangement, the connection plate 22 is easily connected, so that the latch 21 can be set to a proper position.

As a modified specific embodiment, as shown in fig. 1, a limit plate 14 is further disposed in the housing 1, and the limit plate 14 is disposed on a side of the push plate 43 facing away from the iron core 32 to limit a rotation range of the push plate 43.

Through the scheme, the limit plate 14 blocks the push plate 43, so that the push plate 43 is prevented from excessively rotating, and the push plate 43 is easy to reset. The limiting plate 14 has certain elasticity and can assist the push plate 43 to reset so as to be convenient for next use.

For an improved embodiment, as shown in fig. 1, a first guide plate 131 is further disposed in the housing 1, the first guide plate 131 is disposed on a side of the connecting plate 22 facing away from the limiting plate 14 to form a first guide groove 13, and the connecting plate 22 is slidably connected to the first guide groove 13.

Through the scheme, the first guide groove 13 limits the connecting plate 22, so that the connecting plate 22 moves along the length direction of the first guide groove 13, the movement is more stable, and the direction is not easy to deviate. The first guide plate 131 makes the guiding function of the first guide groove 13 stable, is not easy to damage, and plays a role of limiting the fixture block 21, thereby limiting the sliding range of the indication block 2.

As a modified specific embodiment, as shown in fig. 2, a second guide plate 151 is further disposed in the housing 1, the second guide plate 151 is disposed on a side of the connecting plate 22 facing away from the housing 1 and cooperates with an inner wall of the housing 1 to form a second guide groove 15, the connecting plate 22 is slidably connected with the second guide groove 15, the first guide groove 13 and the second guide groove 15 are disposed on a same straight line, and the connecting plate 22 slides along the straight line.

Through above-mentioned scheme, second guide way 15 cooperates first guide way 13 to further strengthen spacingly, guarantees that connecting plate 22 removes in the direction of changing straight line, strengthens stability. The second guide plate 151 is provided as a side rib between the stopper rod 23 and the connecting plate 22.

As an improved specific embodiment, as shown in fig. 3, the buckle 5 is further included, the buckle 5 is rotatably connected to the housing 1, the buckle plate 51 is arranged on the buckle 5, the abutting plate 221 is further arranged on the connecting plate 22, the abutting plate 221 faces the buckle plate 51 and is arranged below the buckle plate 51, and when the connecting plate 22 moves, the abutting plate 221 abuts against the buckle plate 51 to drive the buckle plate 51 to rotate.

Through above-mentioned scheme, at the in-process that connecting plate 22 removed, butt plate 221 upwards removes, and butt plate 221 supports and leans on buckle 51 to drive buckle 51 to rotate in the in-process that removes, make hasp 5 also remove thereupon, so that drive other parts and rotate, like the axis of rotation of being connected with the switch, in order to drive the switch with the circuit disconnection.

As a modified specific embodiment, as shown in fig. 3, the latch 21 is provided with an arc surface 211, and the arc surface 211 is disposed toward the latch 421.

Through the scheme, the arc-shaped surface 211 enables the top plate 42 to reduce interference when being limited or separated from the fixture block 21, and the movement is more stable.

As a modified specific embodiment, as shown in fig. 5, an aluminum thimble 33 is provided on the iron core 32, and the surface of the aluminum thimble 33 is subjected to oxidation treatment.

Through the scheme, the aluminum thimble 33 moves along with the iron core 32, the iron core 32 is in contact with the push plate 43 through the aluminum thimble 33, and the surface of the aluminum thimble 33 is subjected to oxidation treatment, so that the electric conduction capability is not provided, and the use safety is improved.

As a modified embodiment, as shown in fig. 1 to 2, an indication hole 11 is provided on the top surface of the housing 1.

Through above-mentioned scheme, instruct hole 11 to set up on the top surface of casing 1, play obvious suggestion effect, it is also more convenient to press instruction piece 2.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A compact circuit breaker comprises a shell (1) and is characterized in that: the indication device is characterized by further comprising an indication block (2) and a transmission part (4), wherein the shell (1) is provided with an indication hole (11) and a fixing frame (3), the indication block (2) is in sliding connection with the indication hole (11), the transmission part (4) is rotatably connected to the inner wall of the shell (1), the transmission part (4) is provided with a top plate (42) and a push plate (43), the top plate (42) is provided with a clamping hook (421), the fixing frame (3) is internally provided with a coil (31), the coil (31) is internally provided with an iron core (32) in a sliding manner, the iron core (32) slides along the length direction of the coil (31), the iron core (32) is used for pushing the push plate (43), the indication block (2) is provided with a clamping block (21) and an elastic piece (231), one end of the elastic piece (231) is connected to the shell (1), and the clamping hook (421) is used for hooking the clamping block, when electricity leaks, the coil (31) is electrified and generates a magnetic field to push the iron core (32) to move, the iron core (32) pushes the push plate (43) to rotate around the transmission piece (4), so that the transmission piece (4) and the top plate (42) are driven to rotate, the clamping block (21) is separated from the clamping hook (421), and the elastic piece (231) pushes one end of the indicating block (2) to penetrate through the indicating hole (11).

2. The compact circuit breaker of claim 1, wherein: still be provided with in casing (1) and pop out room (12), it still is provided with gag lever post (23) to instruct piece (2), it is provided with flange (122) to pop out room (12), flange (122) are provided with through-hole (121), through-hole (121) are used for supplying gag lever post (23) to pass to be provided with step (123), elastic component (231) are the spring, the spring housing is established on gag lever post (23), and the one end of spring is connected on step (123).

3. The compact circuit breaker of claim 2, wherein: the indicating block (2) is further provided with a connecting plate (22), and the clamping block (21) is arranged at the lower end of the connecting plate (22) and faces the top plate (42).

4. The compact circuit breaker of claim 3, wherein: still be provided with limiting plate (14) in casing (1), limiting plate (14) set up in push pedal (43) one side of iron core (32) dorsad to the rotation range of spacing push pedal (43).

5. The compact circuit breaker of claim 4, wherein: still be provided with first deflector (131) in casing (1), first deflector (131) set up in connecting plate (22) one side dorsad limiting plate (14) to form first guide way (13), connecting plate (22) and first guide way (13) sliding connection.

6. The compact circuit breaker of claim 5, wherein: still be provided with second deflector (151) in casing (1), second deflector (151) set up in connecting plate (22) one side of casing (1) dorsad to the inner wall of cooperation casing (1) forms second guide way (15), connecting plate (22) and second guide way (15) sliding connection, first guide way (13) and second guide way (15) set up on same straight line, connecting plate (22) slide along this rectilinear direction.

7. The compact circuit breaker according to any of claims 3-6, characterized in that: still including hasp (5), hasp (5) rotate to be connected on casing (1), be provided with buckle (51) on hasp (5), still be provided with butt joint board (221) on connecting plate (22), butt joint board (221) set up towards buckle (51) to the setting is in the below of buckle (51), and when connecting plate (22) removed, butt joint board (221) tightly compeled buckle (51) to drive buckle (51) and rotate.

8. The compact circuit breaker according to any of claims 1-6, characterized in that: the clamping block (21) is provided with an arc-shaped surface (211), and the arc-shaped surface (211) faces the clamping hook (421).

9. The compact circuit breaker according to any of claims 1-6, characterized in that: an aluminum thimble (33) is arranged on the iron core (32), and the surface of the aluminum thimble (33) is subjected to oxidation treatment.

10. The compact circuit breaker according to any of claims 1-6, characterized in that: the indicating hole (11) is arranged on the top surface of the shell (1).