CN216054528U

CN216054528U - High-stability miniature circuit breaker

Info

Publication number: CN216054528U
Application number: CN202122765399.0U
Authority: CN
Inventors: 陆亚辉
Original assignee: Jiangsu Zhongrui Electrical Equipment Co ltd
Current assignee: Jiangsu Zhongrui Electrical Equipment Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-15
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to a high-stability miniature circuit breaker in the technical field of circuit breakers, which comprises a fixed bottom plate, a fixed back plate and a circuit breaker, wherein the outer wall of the top end of the fixed bottom plate is fixedly connected with the outer wall of the bottom of the fixed back plate, the inside of the fixed back plate is movably connected with a fixed screw, the outer walls of two sides of the fixed back plate are fixedly connected with fixed assemblies, the outer wall of the top end of the fixed bottom plate is fixedly connected with two fixed piles, the outer walls of two sides of the circuit breaker are fixedly connected with fixed blocks, the fixed blocks are movably connected with the fixed assemblies, the outer wall of the circuit breaker is provided with a controller, and the outer wall of the circuit breaker is provided with a protection assembly. Through fixed subassembly, fixed block and spud pile fix the circuit breaker thereby promote the stability of circuit breaker, because the existence of fixed subassembly makes the dismantlement of circuit breaker and installation all more swift convenient, the erosion that protection assembly protected the circuit breaker to avoid external dust impurity and steam, and then promotes the life of circuit breaker.

Description

High-stability miniature circuit breaker

Technical Field

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

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. Has been widely used.

The existing miniature circuit breakers are characterized in that a device body is directly fixed on a wall through fixing screws and used, a large amount of time is needed to be spent when the miniature circuit breaker fixed by the method is detached and installed, the traditional circuit breaker is directly exposed in the air and is easily influenced by the environment, the rusting and aging condition is generated in a short time, the normal operation of the circuit breaker is influenced, and the service life of the circuit breaker is shortened, so that a high-stability miniature circuit breaker is provided.

Disclosure of Invention

In order to solve the problems, the utility model provides a high-stability miniature circuit breaker which has the advantages of convenience in mounting and dismounting and long service life.

The technical scheme of the utility model is as follows: the utility model provides a high stable miniature circuit breaker, includes PMKD, fixed backplate and circuit breaker, PMKD's top outer wall and the bottom outer wall fixed connection of fixed backplate, the inside swing joint of fixed backplate has the fixed screw, the equal fixedly connected with fixed subassembly of both sides outer wall of fixed backplate, PMKD top outer wall fixedly connected with quantity is the spud pile of two, the spud pile is corresponding with fixed subassembly, the equal fixedly connected with fixed block of both sides outer wall of circuit breaker, fixed block and fixed subassembly swing joint, the outer wall of circuit breaker is provided with the controller, the outer wall of circuit breaker is provided with the protection subassembly.

The working principle of the technical scheme is as follows:

fix the backplate on the wall through utilizing the fixed screw, remove fixed subassembly afterwards and place the circuit breaker body on the PMKD with fixed backplate fixed connection, when the circuit breaker body targets in place, the fixed block on its both sides outer wall just in time is located between fixed subassembly and the spud pile, loosen fixed subassembly this moment, fixed subassembly, mutual fixation and lock the position of circuit breaker between fixed block and the spud pile three, when needs use the circuit breaker, remove the protection of protection subassembly to the circuit breaker and can use the circuit breaker, make the circuit breaker avoid the influence of dust impurity and steam in the external environment with the help of the protection subassembly when not using the circuit breaker.

In a further technical scheme, the fixing assembly comprises a hollow ring block, a spring, a top cover, a shifting block and a fixing column, the outer wall of the hollow ring block is fixedly connected with the outer wall of the side edge of the fixing back plate, a placing groove is formed in the top end of the hollow ring block, the inner wall of the bottom of the placing groove is fixedly connected with the outer wall of one end of the spring, the outer wall of the other end of the spring is fixedly connected with the outer wall of the bottom of the top cover, the outer wall of the side edge of the top cover is fixedly connected with the outer wall of the shifting block, and the outer wall of the bottom of the top cover is fixedly connected with the outer wall of the top end of the fixing column.

When the fixing of the fixing component needs to be released, the top cover is moved by pinching the shifting block so as to stretch the spring, the spring starts to accumulate elastic force at the moment, the top cover returns to the original position by virtue of the elastic force of the accumulation when the top cover loses the force for supporting the movement of the top cover, meanwhile, the position of a fixing column at the bottom of the top cover is also changed along with the movement of the top cover, and at the moment, the circuit breaker is placed in place, penetrates through fixing blocks on the outer walls of the two sides of the circuit breaker by virtue of the fixing column and fixes the position of the circuit breaker together with the fixing pile.

In a further technical scheme, the outer wall of the bottom of the fixing column is fixedly connected with a magnet block, the top end of the fixing column is provided with a slot, the slot is matched with the fixing column, a small magnet column is arranged in the slot, a through hole is formed in the fixing block, and the through hole is matched with the fixing column.

Through the magnetic force between the magnet piece of spud column bottom and the small-size magnet post in the spud column slot for the fixed column can't take place to remove easily, borrows this to promote fixed effect, and the inside through-hole of fixed block mutually supports and then fixes the position of circuit breaker with the fixed column.

In a further technical scheme, the protection component comprises a guide block, a left dust cover, a right dust cover, a sliding block and a clamping block, the number of the outer walls of the bottom and the top of the circuit breaker is two, the outer walls of the sides of the guide block are provided with sliding holes, the outer walls of the two sides of the sliding block are slidably connected with the outer walls of the guide block, the outer walls of the two sides of the sliding block are fixedly connected with the clamping block, the clamping block is matched with a through hole formed in the guide block, one of the sliding block and the left dust cover is located above, and the other sliding block and the right dust cover is located above.

Left side dust cover and right dust cover remove with the help of slider and fixture block through-hole within range on the guide piece, with the help of left dust cover and right dust cover, prevent that dust impurity and steam etc. among the external environment from invading the circuit breaker and causing the harm to it.

In a further technical scheme, the outer wall of left side dust cover has been seted up and has been accomodate the groove, the inside material of accomodating the groove is iron, the outer wall fixedly connected with magnetite inserted block of right side dust cover, magnetite inserted block and accommodation groove looks adaptation.

With the help of magnetite inserted block and inside material be the groove of accomodating of iron, connect left dust cover and right dust cover for left dust cover can not part easily with right dust cover, and then promotes the guard effect and prolongs the life of circuit breaker.

The utility model has the beneficial effects that:

1. the position of the circuit breaker is fixed through the arranged fixing component, the fixing block and the fixing pile, the user can conveniently and rapidly assemble and disassemble the device under the condition of ensuring the fixing effect, the top cover is moved by pinching the poking block so as to stretch the spring in the placing groove, at the moment, the spring starts to accumulate the elastic force, when the top cover loses the force supporting the movement of the top cover, the elastic force of the elastic tool when the spring is stretched enables the top cover and the fixed column to return to the original position, at the same time, the position of the bottom fixing column is changed along with the movement of the top cover, and the circuit breaker is placed on the fixed bottom plate and is supported by the fixed bottom plate, the fixing column penetrates through the fixing blocks on the outer walls of the two sides of the fixing column, and the position of the breaker is fixed together with the small magnet column inside the fixing column by virtue of the fixing column, so that the stability of the breaker is improved, and the device has the advantages of convenience in mounting and dismounting and good stability;

2. through the protection subassembly that sets up, provide the protection to the circuit breaker, prevent that external dust and steam from invading the circuit breaker inside and causing the harm to the circuit breaker, and then make the life of circuit breaker obtain promoting, left side dust cover and right dust cover remove with the help of slider and fixture block through-hole within range on the guide block, it is iron to accomodate the groove with the help of magnetite inserted block and inside material, with left dust cover and right dust cover both amalgamation, make left side dust cover and right dust cover can not part easily, and then promote protecting effect, prevent invasion circuit breaker such as dust impurity and steam among the external environment and cause the harm to it, and borrow this and prolong the life of circuit breaker, this device possesses long service life's advantage and the good advantage of protecting effect.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a front view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of the structure at point A in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the structure at point B in accordance with an embodiment of the present invention;

fig. 5 is an enlarged view of the structure at C in the embodiment of the present invention.

Description of reference numerals:

1. fixing the bottom plate; 2. fixing the back plate; 3. fixing the pile; 4. a small magnet column; 5. a hollow ring block; 6. a spring; 7. a top cover; 8. shifting blocks; 9. fixing a column; 10. a circuit breaker; 11. a fixed block; 12. a controller; 13. a guide block; 14. a left dust cover; 15. a right dust cover; 16. a slider; 17. a clamping block; 18. a receiving groove; 19. and a magnet insert.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings.

Example (b):

as shown in fig. 1-5, a high stable miniature circuit breaker, including PMKD 1, fixed backplate 2 and circuit breaker 10, PMKD 1's top outer wall and fixed backplate 2's bottom outer wall fixed connection, the inside swing joint of fixed backplate 2 has the fixed screw, the equal fixedly connected with fixed subassembly of the both sides outer wall of fixed backplate 2, 1 top outer wall fixedly connected with quantity of PMKD is spud pile 3 of two, spud pile 3 is corresponding with fixed subassembly, the equal fixedly connected with fixed block 11 of the both sides outer wall of circuit breaker 10, fixed block 11 and fixed subassembly swing joint, the outer wall of circuit breaker 10 is provided with controller 12, the outer wall of circuit breaker 10 is provided with the protection component.

The working principle of the technical scheme is as follows: fix backplate 2 on the wall through utilizing the fixed screw, remove fixed subassembly afterwards and place circuit breaker 10 body on the PMKD 1 with 2 fixed connection of fixed backplate, when circuit breaker 10 body targets in place, fixed block 11 on its both sides outer wall just in time is located between fixed subassembly and spud pile 3, loosen fixed subassembly this moment, fixed subassembly, reciprocal anchorage between fixed block 11 and the spud pile 3 three locks circuit breaker 10's position, when needing to use circuit breaker 10, remove the protection of protection subassembly to circuit breaker 10 and can use circuit breaker 10, make circuit breaker 10 avoid the influence of dust impurity and steam in the external environment with the help of the protection subassembly when not using circuit breaker 10.

In another embodiment, as shown in fig. 3, the fixing component includes a hollow ring 5, a spring 6, a top cover 7, a shifting block 8 and a fixing column 9, the outer wall of the hollow ring 5 is fixedly connected with the outer wall of the side edge of the fixing backboard 2, a placing groove is formed at the top end of the hollow ring 5, the inner wall of the bottom of the placing groove is fixedly connected with the outer wall of one end of the spring 6, the outer wall of the other end of the spring 6 is fixedly connected with the outer wall of the bottom of the top cover 7, the outer wall of the side edge of the top cover 7 is fixedly connected with the outer wall of the shifting block 8, and the outer wall of the bottom of the top cover 7 is fixedly connected with the outer wall of the top end of the fixing column 9.

When the fixing of the fixing component needs to be released, the top cover 7 is moved by pinching the poking block 8 and then the spring 6 is stretched, at the moment, the spring 6 starts to accumulate the elastic force, the top cover 7 returns to the original position by the elastic force of the accumulated block when the top cover 7 loses the force supporting the movement of the top cover, meanwhile, the position of the bottom fixing column 9 is also changed along with the movement of the top cover 7, at the moment, the position of the circuit breaker 10 is fixed by placing the circuit breaker 10 in place, penetrating the fixing blocks 11 on the outer walls of the two sides of the circuit breaker by the fixing column 9 and combining with the fixing pile 3.

In another embodiment, as shown in fig. 4, a magnet block is fixedly connected to the outer wall of the bottom of the fixing post 9, a slot is formed at the top end of the fixing post 3, the slot is matched with the fixing post 9, the small magnet post 4 is arranged in the slot, and a through hole is formed in the fixing block 11 and matched with the fixing post 9.

Through the magnetic force between the magnet piece of fixed column 9 bottom and the small-size magnet post 4 in the 3 slots of spud pile for fixed column 9 can't take place to remove easily, borrows this to promote fixed effect, and the through-hole of fixed block 11 inside is mutually supported and then is fixed with circuit breaker 10's position with fixed column 9.

In another embodiment, as shown in fig. 1, the protection assembly includes a guide block 13, a left dust cover 14, a right dust cover 15, a slider 16 and a latch 17, the two guide blocks 13 are fixedly connected to the bottom outer wall and the top outer wall of the circuit breaker 10, slide holes are formed in the side outer walls of the guide block 13, the outer walls of the two sides of the slider 16 are slidably connected to the outer wall of the guide block 13, the centers of the outer walls of the two sides of the slider 16 are fixedly connected to the latch 17, the latch 17 is adapted to the through hole formed in the guide block 13, one of the slider 16 located above is fixedly connected to the left dust cover 14, and the other slider 16 located above is fixedly connected to the right dust cover 15.

The left dust cover 14 and the right dust cover 15 move in the range of the through hole on the guide block 13 by means of the slider 16 and the latch 17, and the circuit breaker 10 is prevented from being damaged by dust, impurities, water vapor and the like in the external environment by means of the left dust cover 14 and the right dust cover 15.

In another embodiment, as shown in fig. 5, the outer wall of the left dust cover 14 is provided with a receiving groove 18, the inner material of the receiving groove 18 is iron, the outer wall of the right dust cover 15 is fixedly connected with a magnet insert 19, and the magnet insert 19 is matched with the receiving groove 18.

With the help of magnetite inserted block 19 and the inside material be iron accomodate groove 18, connect left dust cover 14 and right dust cover 15 for left dust cover 14 can not part easily with right dust cover 15, and then promote the guard effect and prolong circuit breaker 10's life.

The above examples only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a high stable miniature circuit breaker, includes PMKD (1), fixed backplate (2) and circuit breaker (10), its characterized in that: the utility model discloses a circuit breaker, including fixed baseplate (10), the inside swing joint of fixed backplate (2) has the fixed screw, the equal fixedly connected with fixed subassembly of both sides outer wall of fixed backplate (2), fixed baseplate (1) top outer wall fixedly connected with quantity is spud pile (3) of two, spud pile (3) are corresponding with the fixed subassembly, the equal fixedly connected with fixed block (11) of both sides outer wall of circuit breaker (10), fixed block (11) and fixed subassembly swing joint, the outer wall of circuit breaker (10) is provided with controller (12), the outer wall of circuit breaker (10) is provided with the protection component.

2. A high-stability small-sized circuit breaker according to claim 1, wherein: the fixing assembly comprises a hollow ring block (5), a spring (6), a top cover (7), a shifting block (8) and a fixing column (9), the outer wall of the hollow ring block (5) is fixedly connected with the outer wall of the side edge of the fixing back plate (2), a placing groove is formed in the top end of the hollow ring block (5), the inner wall of the bottom of the placing groove is fixedly connected with the outer wall of one end of the spring (6), the outer wall of the other end of the spring (6) is fixedly connected with the outer wall of the bottom of the top cover (7), the outer wall of the side edge of the top cover (7) is fixedly connected with the outer wall of the shifting block (8), and the outer wall of the bottom of the top cover (7) is fixedly connected with the outer wall of the top end of the fixing column (9).

3. A high-stability small size circuit breaker according to claim 2, wherein: the outer wall of the bottom of the fixing column (9) is fixedly connected with a magnet block.

4. A high-stability small size circuit breaker according to claim 2, wherein: the top end of the fixed pile (3) is provided with a slot, the slot is matched with the fixed column (9), and a small magnet column (4) is arranged in the slot.

5. A high-stability small size circuit breaker according to claim 2, wherein: the inside of the fixed block (11) is provided with a through hole, and the through hole is matched with the fixed column (9).

6. A high-stability small-sized circuit breaker according to claim 1, wherein: the protection subassembly includes guide block (13), left dust cover (14), right dust cover (15), slider (16) and fixture block (17), the bottom outer wall of circuit breaker (10) is guide block (13) that the equal fixedly connected with quantity of top outer wall is two, the slide opening has all been seted up to the side outer wall of guide block (13), the both sides outer wall of slider (16) all with the outer wall sliding connection of guide block (13), the center department of slider (16) both sides outer wall all with fixture block (17) fixed connection, fixture block (17) all with the through-hole looks adaptation of seting up on guide block (13), one of them is located the top slider (16) and left dust cover (14) fixed connection, another is located the top slider (16) and right dust cover (15) fixed connection.

7. A high-stability small size circuit breaker according to claim 6, wherein: the outer wall of left side dust cover (14) has been seted up and has been accomodate groove (18), the inside material of accomodating groove (18) is iron, the outer wall fixedly connected with magnetite inserted block (19) of right side dust cover (15), magnetite inserted block (19) with accomodate groove (18) looks adaptation.