Miniature circuit breaker convenient to assemble

Abstract

The utility model provides a miniature circuit breaker convenient to assemble. The miniature circuit breaker convenient to assemble comprises a miniature circuit breaker body; the cover plate is detachably arranged on the miniature circuit breaker body; a plurality of limiting rings, wherein the plurality of limiting rings are all installed in the miniature circuit breaker body; the multiple rod bodies are all movably installed on the cover plate, and the multiple rod bodies penetrate through the multiple limiting rings correspondingly; the plurality of abutting plates are respectively mounted on the plurality of rod bodies, and the plurality of abutting plates are used for compressing and fixing the electric wire; and the multiple limiting assemblies are arranged in the multiple rod bodies correspondingly. The miniature circuit breaker convenient to assemble provided by the utility model has the advantages of good protection performance, convenience in wire assembly and disassembly, and convenience in fixation.

Description

Technical Field

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

[0002] A miniature circuit breaker refers to a protective device installed in a terminal distribution line, and is mainly used for overload, short circuit and leakage protection of lines and electrical equipment. As the demand for electricity in production and life continues to increase, higher requirements are placed on the safety, reliability and intelligence of power supply. Circuit breakers in the existing technology are mostly used to fix the connected wires with bolts. The bolts are small and easy to lose, which makes it inconvenient to assemble the wires. At the same time, the installation of bolts also requires assistance, which affects the assembly of the circuit breaker.

[0003] Therefore, it is necessary to provide a new miniature circuit breaker that is easy to assemble to solve the above technical problems. Utility Model Content

[0004] In order to solve the technical problem that the existing miniature circuit breaker uses bolts to stabilize wires, which causes inconvenience in assembly, the utility model provides a miniature circuit breaker that is easy to assemble.

[0005] The miniature circuit breaker provided by the present invention is easy to assemble and includes: a miniature circuit breaker body; a cover plate, which is detachably mounted on the miniature circuit breaker body; a plurality of limit rings, which are all mounted in the miniature circuit breaker body; a plurality of rods, which are all movably mounted on the cover plate, and the plurality of rods respectively pass through the plurality of limit rings; a plurality of resistance plates, which are respectively mounted on the plurality of rods, and the plurality of resistance plates are all used to compress and fix the wires; and a plurality of limit assemblies, which are respectively arranged in the plurality of rods, and the limit assemblies are used to stabilize the contact plates.

[0006] Preferably, the limiting assembly includes a fixed rod, two springs and two first clamping blocks, the fixed rod is installed in any one of the rod bodies, the two springs are respectively installed on both sides of the fixed rod, the two first clamping blocks are respectively fixedly installed on the side of the two springs away from each other, the two first clamping blocks both extend outside the rod body, and a limiting telescopic rod is provided in each of the multiple springs.

[0007] Preferably, multiple first clamping blocks are each equipped with a connecting rope, and multiple connecting ropes respectively pass through multiple rod bodies and extend outside the rod bodies. Multiple connecting ropes are each equipped with an adjusting block, and multiple adjusting blocks can contact the rod bodies.

[0008] Preferably, limit sleeves are installed on both sides of the miniature circuit breaker body, and clamping rods are installed on both sides of the cover plate, and the two clamping rods can extend into the two limit sleeves.

[0009] Preferably, elastic pads are installed in the two clamping rods, and second clamping blocks are installed on the two elastic pads. The two second clamping blocks extend to the outside of the two clamping rods respectively. The two limit sleeves are provided with bayonet holes, and the two second clamping blocks extend into the two bayonet holes respectively.

[0010] Preferably, a clamping rod is installed on the side of the miniature circuit breaker body away from the cover plate, a fixing plate is movably installed in the clamping rod, a mounting plate is fixed on the side of the fixing plate away from the miniature circuit breaker body, and the mounting plate can be mounted on a wall.

[0011] Preferably, an isolation rod is installed between the fixing plate and the mounting plate, a clamping block is fixed on the miniature circuit breaker body, the clamping block passes through the fixing plate, and a snap ring is fixed on the clamping block.

[0012] Compared with the related art, the miniature circuit breaker provided by the present invention that is easy to assemble has the following beneficial effects:

[0013] The utility model provides a miniature circuit breaker that is easy to assemble:

[0014] 1. The cover plate can protect the electrical components inside the miniature circuit breaker body, thereby increasing the safety of the miniature circuit breaker body. The limiting ring can preliminarily limit the rod body. The contact plate can contact the wire to stabilize the wire, eliminating the need for bolts to stabilize the wire, which is more convenient. The limiting assembly can increase the stability of the contact plate when contacting the wire. The spring can contact the first clamping block to allow the first clamping block to extend out of the rod body. The first clamping block can contact the limiting ring to limit the rod body. The spring stabilizing the first clamping block has little effect on its extension and contraction. The fixing rod can stabilize the two springs.

[0015] 2. Pulling the connecting rope can retract the spring. At this time, the first clamping block retracts into the rod body, and the rod body can be pulled to make the contact plate away from the wire. The connecting rope can be limited by the adjusting block to prevent the connecting rope from falling into the rod body and being difficult to pull. The connecting rope can be pulled by pulling the adjusting block, and the clamping rod can be limited by the limiting sleeve. By stabilizing the clamping rod in the limiting sleeve, the cover plate can be installed on the miniature circuit breaker body, which is convenient for installation and removal of the cover plate. The elastic pad can contact the second clamping block to make it extend into the bayonet to ensure the stability of the clamping rod in the limiting sleeve. The clamping rod can be pulled out of the limiting sleeve by pressing the second clamping block, which reduces the difficulty of removing the cover plate.

[0016] 3. The clamping rod can be used to initially stabilize the miniature circuit breaker body on the fixing plate. The mounting plate and the fixing plate can be used to provide space for installing the miniature circuit breaker body, preventing the clamping rod from directly contacting the wall and making it difficult to achieve the installation effect. The isolation rod can keep the miniature circuit breaker body away from the wall to ensure the heat dissipation effect of the miniature circuit breaker body. The clamping block and the clamping ring can further increase the stability of the miniature circuit breaker body installed on the fixing plate. The clamping ring can prevent the clamping block from easily detaching from the fixing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic side cross-sectional structural diagram of a preferred embodiment of a miniature circuit breaker that is easy to assemble provided by the utility model;

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the miniature circuit breaker body in the utility model;

[0019] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG;

[0020] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part B shown in FIG;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping rod in the utility model.

[0022] Numbers in the figure: 1. Miniature circuit breaker body; 2. Cover plate; 3. Wire; 4. Limiting ring; 5. Rod body; 6. Contact plate; 7. Fixing rod; 8. Spring; 9. First clamping block; 10. Limiting telescopic rod; 11. Connecting rope; 12. Clamping rod; 13. Second clamping block; 14. Limiting sleeve; 15. Clamping rod; 16. Fixing plate; 17. Clamping block; 18. Snap ring; 19. Mounting plate; 20. Adjusting block. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0024] Please refer to Figure 1-Figure 5 ,in, Figure 1 A schematic side cross-sectional structural diagram of a preferred embodiment of a miniature circuit breaker that is easy to assemble provided by the utility model; Figure 2 This is a schematic diagram of the main cross-sectional structure of the miniature circuit breaker body in the utility model; Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG; Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part B shown in FIG; Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping rod in the utility model.

[0025] The miniature circuit breaker that is easy to assemble includes: a miniature circuit breaker body 1; a cover plate 2, which is detachably mounted on the miniature circuit breaker body 1; a plurality of limiting rings 4, which are all mounted in the miniature circuit breaker body 1; a plurality of rods 5, which are movably mounted on the cover plate 2, and the plurality of rods 5 respectively pass through the plurality of limiting rings 4; a plurality of contact plates 6, which are respectively mounted on the plurality of rods 5, and the plurality of contact plates 6 are all used to press and fix the wires 3; a plurality of limiting assemblies, which are respectively arranged in the plurality of rods 5, and are used to stabilize the contact plates 6. The cover plate 2 can protect the electrical components in the miniature circuit breaker body 1, thereby increasing the safety of the miniature circuit breaker body 1. The limiting rings 4 can preliminarily limit the rods 5. The contact plates 6 can stabilize the wires 3 by contacting the wires 3, without the need for bolts to stabilize the wires 3, which is more convenient. The limiting assemblies can increase the stability of the contact plates 6 when they contact the wires 3.

[0026] The limiting assembly includes a fixed rod 7, two springs 8 and two first clamping blocks 9. The fixed rod 7 is installed in any one of the rod bodies 5. The two springs 8 are respectively installed on both sides of the fixed rod 7. The two first clamping blocks 9 are respectively fixed on the side where the two springs 8 are away from each other. The two first clamping blocks 9 are extended to the outside of the rod body 5. A limiting telescopic rod 10 is provided in each of the multiple springs 8. The first clamping block 9 can be extended out of the rod body 5 by the spring 8 against the first clamping block 9. The first clamping block 9 can limit the rod body 5 by contacting the limiting ring 4. The stabilization of the first clamping block 9 by the spring 8 has little effect on the expansion and contraction of the first clamping block 9. The two springs 8 can be stabilized by the fixed rod 7.

[0027] A connecting rope 11 is installed on each of the multiple first blocking blocks 9, and the multiple connecting ropes 11 respectively pass through the multiple rod bodies 5 and extend to the outside of the rod bodies 5. An adjusting block 20 is installed on each of the multiple connecting ropes 11, and the multiple adjusting blocks 20 can all contact the rod bodies 5. By pulling the connecting rope 11, the spring 8 can be retracted. At this time, the first blocking block 9 retracts into the rod body 5, and the rod body 5 can be pulled to make the contact plate 6 away from the wire 3. The connecting rope 11 can be limited by the adjusting block 20 to prevent the connecting rope 11 from falling into the rod body 5 and being difficult to pull. The connecting rope 11 can be pulled by pulling the adjusting block 20.

[0028] Limiting sleeves 14 are installed on both sides of the miniature circuit breaker body 1, and clamping rods 12 are installed on both sides of the cover plate 2. The two clamping rods 12 can extend into the two limiting sleeves 14. The clamping rods 12 can be limited by the limiting sleeves 14. By stabilizing the clamping rods 12 in the limiting sleeves 14, the cover plate 2 can be installed on the miniature circuit breaker body 1, which facilitates the installation and removal of the cover plate 2.

[0029] Elastic pads are installed in the two card rods 12, and second card blocks 13 are installed on the two elastic pads. The two second card blocks 13 extend to the outside of the two card rods 12 respectively. The two limiting sleeves 14 are provided with bayonets, and the two second card blocks 13 extend into the two bayonets respectively. The elastic pads resist the second card blocks 13 to make them extend into the bayonets, which can ensure the stability of the card rod 12 in the limiting sleeve 14. The card rod 12 can be pulled out of the limiting sleeve 14 by pressing the second card block 13, reducing the difficulty of disassembling the cover 2.

[0030] A clamping rod 15 is installed on the side of the miniature circuit breaker body 1 away from the cover plate 2, and a fixing plate 16 is movably installed in the clamping rod 15. A mounting plate 19 is fixed to the side of the fixing plate 16 away from the miniature circuit breaker body 1. The mounting plate 19 can be installed on the wall. The clamping rod 15 can be used to preliminarily stabilize the miniature circuit breaker body 1 on the fixing plate 16. The mounting plate 19 cooperates with the fixing plate 16 to provide space for installing the miniature circuit breaker body 1, thereby preventing the clamping rod 15 from directly contacting the wall and making it difficult to achieve the installation effect.

[0031] An isolation rod is installed between the fixing plate 16 and the mounting plate 19. A clamping block 17 is fixed to the miniature circuit breaker body 1. The clamping block 17 passes through the fixing plate 16. A snap ring 18 is fixed to the clamping block 17. The isolation rod can keep the miniature circuit breaker body 1 away from the wall to ensure the heat dissipation effect of the miniature circuit breaker body 1. The clamping block 17 cooperates with the snap ring 18 to further increase the stability of the miniature circuit breaker body 1 installed on the fixing plate 16. The snap ring 18 can prevent the clamping block 17 from easily detaching from the fixing plate 16.

[0032] It is worth noting that the circuits, electronic components and modules involved in the present invention are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0033] The working principle of the miniature circuit breaker provided by the utility model, which is easy to assemble, is as follows:

[0034] When in use, the card rod 12 is inserted into the limiting sleeve 14, and the second card block 13 is inserted into the card slot under the resistance of the elastic pad. The cover plate 2 can be installed on the miniature circuit breaker body 1, and one end of the wire 3 is inserted into the miniature circuit breaker body 1. Then, the adjusting block 20 is pressed to make the first card block 9 pass through the limiting ring 4. At this time, the rod body 5 can be limited by the limiting ring 4. At this time, the contact plate 6 directly resists the wire 3, thereby stabilizing the wire 3. When the wire 3 needs to be removed, the adjusting block 20 can be pulled out. Connecting rope 11, at this time the spring 8 is compressed, the first clamping block 9 retracts into the rod body 5, and then the rod body 5 is pulled outward to make the contact plate 6 away from the wire 3, and the wire 3 can be directly removed. When installing the miniature circuit breaker body 1, the mounting plate 19 is installed on the wall, and then the clamping rod 15 is clamped on the fixing plate 16. The miniature circuit breaker body 1 is pressed toward the mounting plate 19 to make the clamping block 17 pass through the fixing plate 16. Under the limit of the clamping ring 18, the stability of the miniature circuit breaker body 1 can be further ensured.

[0035] Compared with the related art, the miniature circuit breaker provided by the present invention that is easy to assemble has the following beneficial effects:

[0036] The utility model provides a miniature circuit breaker that is easy to assemble. The cover plate 2 can protect the electrical components in the miniature circuit breaker body 1, thereby increasing the safety of the miniature circuit breaker body 1. The rod body 5 can be preliminarily limited by the limiting ring 4, and the wire 3 can be stabilized by the contact plate 6 contacting the wire 3. No bolts are needed to stabilize the wire 3, which is more convenient. The limiting assembly can increase the stability of the contact plate 6 when it contacts the wire 3. The spring 8 contacts the first clamping block 9, which can make the first clamping block 9 extend out of the rod body 5. The first clamping block 9 contacts the limiting ring 4 to limit the rod body 5. The spring 8 stabilizes the first clamping block 9, which has little effect on the extension and contraction of the first clamping block 9. The two springs 8 can be stabilized by the fixing rod 7. The spring 8 can be retracted by pulling the connecting rope 11. At this time, the first clamping block 9 is retracted into the rod body 5, and the rod body 5 can be drawn to make the contact plate 6 away from the wire 3. The connecting rope 11 can be limited by the adjusting block 20 to prevent the connecting rope 11 from falling into the rod body 5 and being difficult to pull. Connect the rope 11, and the limit sleeve 14 can be used to limit the card rod 12. By stabilizing the card rod 12 in the limit sleeve 14, the cover plate 2 can be installed on the miniature circuit breaker body 1, which is convenient for installation and removal of the cover plate 2. The elastic pad contacts the second card block 13 to make it extend into the bayonet, which can ensure the stability of the card rod 12 in the limit sleeve 14. By pressing the second card block 13, the card rod 12 can be pulled out of the limit sleeve 14, reducing the difficulty of removing the cover plate 2. The miniature circuit breaker body 1 can be initially stabilized by the clamping rod 15. On the fixing plate 16, the mounting plate 19 cooperates with the fixing plate 16 to provide space for installing the miniature circuit breaker body 1, preventing the clamping rod 15 from directly contacting the wall and making it difficult to achieve the installation effect. The isolation rod can keep the miniature circuit breaker body 1 away from the wall to ensure the heat dissipation effect of the miniature circuit breaker body 1. The clamping block 17 cooperates with the snap ring 18 to further increase the stability of the miniature circuit breaker body 1 installed on the fixing plate 16. The snap ring 18 can prevent the clamping block 17 from easily separating from the fixing plate 16.

[0037] It should be noted that the equipment structure and drawings of the present invention mainly describe the principles of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system and control system are not fully described. However, on the premise that technical personnel in this field understand the principles of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

[0038] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A miniature circuit breaker that is easy to assemble, characterized in that: include: Miniature circuit breaker body; A cover plate, wherein the cover plate is detachably mounted on the miniature circuit breaker body; A plurality of limiting rings, wherein the plurality of limiting rings are installed in the miniature circuit breaker body; A plurality of rod bodies, each of which is movably mounted on the cover plate, and each of which passes through a plurality of limiting rings; A plurality of contact plates, each of which is mounted on the plurality of rod bodies, and each of which is used to compress and fix the wires; A plurality of limit assemblies are respectively arranged in the plurality of rod bodies, and the limit assemblies are used to stabilize the contact plate.

2. The miniature circuit breaker that is easy to assemble according to claim 1, characterized in that: The limiting assembly includes a fixed rod, two springs and two first clamping blocks. The fixed rod is installed in any one of the rod bodies. The two springs are respectively installed on both sides of the fixed rod. The two first clamping blocks are respectively fixedly installed on the side away from each other of the two springs. The two first clamping blocks extend outside the rod body. A limiting telescopic rod is provided in each of the multiple springs.

3. The miniature circuit breaker that is easy to assemble according to claim 2, characterized in that: A connecting rope is installed on each of the first clamping blocks, and each of the connecting ropes passes through each of the rod bodies and extends outside the rod bodies. An adjusting block is installed on each of the connecting ropes, and each of the adjusting blocks can contact the rod bodies.

4. The miniature circuit breaker that is easy to assemble according to claim 1, characterized in that: Limit sleeves are installed on both sides of the miniature circuit breaker body, and clamping rods are installed on both sides of the cover plate. The two clamping rods can extend into the two limit sleeves.

5. The miniature circuit breaker easy to assemble according to claim 4, characterized in that: Elastic pads are installed in the two clamping rods, and second clamping blocks are installed on the two elastic pads. The two second clamping blocks extend outside the two clamping rods respectively. The two limit sleeves are provided with bayonet holes, and the two second clamping blocks extend into the two bayonet holes respectively.

6. The miniature circuit breaker that is easy to assemble according to claim 1, characterized in that: A clamping rod is installed on one side of the miniature circuit breaker body away from the cover plate, a fixing plate is movably installed in the clamping rod, a mounting plate is fixed on one side of the fixing plate away from the miniature circuit breaker body, and the mounting plate can be mounted on a wall.

7. The miniature circuit breaker easy to assemble according to claim 6, characterized in that: An isolating rod is installed between the fixing plate and the mounting plate, a clamping block is fixed on the miniature circuit breaker body, the clamping block passes through the fixing plate, and a clamping ring is fixed on the clamping block.

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