CN218568749U

CN218568749U - Circuit breaker and assembly

Info

Publication number: CN218568749U
Application number: CN202222855654.5U
Authority: CN
Inventors: 于淼
Original assignee: Jiayuan Technology Co Ltd
Current assignee: Jiayuan Technology Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-03
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a circuit breaker and subassembly, this circuit breaker includes: the circuit breaker comprises a circuit breaker main body and at least two locking parts, wherein the locking parts are arranged on two corresponding sides of the circuit breaker main body respectively and comprise a sliding groove and a sliding rod body, the sliding rod body is connected with the sliding groove in a sliding mode, the sliding groove is horizontally arranged on the outer surface of the circuit breaker main body, and the circuit breaker main body is penetrated through two ends of the sliding groove. The utility model discloses an improve the circuit breaker, increase locking part on the circuit breaker, can splice a plurality of independent circuit breakers and use together, it is more convenient to carry, and the fastening mode of electric wire changes the clamp plate into from the screw on the circuit breaker moreover, and the atress of electric wire is more stable, compresses tightly more firmly, need not in addition to take mounting tool, and it is more convenient to operate.

Description

Circuit breaker and assembly

Technical Field

The utility model relates to a circuit breaker technical field especially relates to a circuit breaker and subassembly.

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 breaker can be used to distribute electric energy, start asynchronous motor infrequently, protect power supply circuit and motor, and automatically cut off circuit when they have serious overload or short circuit and undervoltage faults, and it is equivalent to the combination of fuse switch and over-and-under-heat relay. Furthermore, no parts need to be changed after breaking the fault current. Has been widely used.

In the prior art, the conventional operation of the circuit breaker is to screw down a screw on the circuit breaker through a screwdriver after a wire is connected so as to fix the connection of the wire, generally, in the method, the end part of the screw is difficult to align with the wire sometimes, the end part is easy to damage the wire, meanwhile, a plurality of circuit breakers are relatively independent, and when the plurality of circuit breakers are needed, each circuit breaker needs to be fixed and installed respectively, which is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a circuit breaker and subassembly increases locking part on the circuit breaker, can splice a plurality of independent circuit breakers and use together, and it is more convenient to carry, and the fastening mode of electric wire changes the clamp plate into from the screw on the circuit breaker moreover, and the atress of electric wire is more stable, compresses tightly more firmly, need not in addition to take the bottle opener, and it is more convenient to operate.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a circuit breaker, comprising: the circuit breaker comprises a circuit breaker main body and at least two locking components, wherein the locking components are arranged on two corresponding sides of the circuit breaker main body respectively and comprise a sliding groove and a sliding rod body, the sliding rod body is connected with the sliding groove in a sliding mode, the sliding groove is horizontally arranged on the outer surface of the circuit breaker main body, and the circuit breaker main body is penetrated through two ends of the sliding groove.

Preferably, the top and the bottom of the sliding groove are both provided with an embedding groove, one end of the embedding groove penetrates through the breaker main body, and the other end of the embedding groove does not penetrate through the breaker main body; and sliding blocks matched with the caulking grooves are arranged at the top and the bottom of one end of the sliding rod body.

Preferably, the sliding rod body is of a square strip-shaped structure, one end of the sliding rod body extends from the length direction of the sliding rod body to form an accommodating space, and the length of the accommodating space is shorter than that of the sliding chute;

the clamping groove is formed in the sliding groove, a clamping column capable of vertically extending to the containing space is arranged in the clamping groove, and the clamping column is connected with the clamping groove through an elastic piece.

Preferably, the other end of the sliding rod body is provided with a clamping hole matched with the clamping column in a penetrating manner in a direction perpendicular to the length direction of the sliding rod body.

Preferably, the contact surface of the clamping column and the sliding rod body is an inclined surface.

Preferably, the top of the circuit breaker main body is provided with a groove vertically corresponding to the sliding groove, one end of the groove penetrates through the circuit breaker main body, the top of the other end of the groove is provided with a baffle, a through hole is formed in the baffle, and a vertical sliding pressing plate is arranged in the groove.

Preferably, square grooves are formed in two sides of the groove, square plates are arranged on two sides of the pressing plate, and the square plates stretch into the square grooves to be in sliding connection.

Preferably, still include spring ring and screw rod, the spring ring sets up between square plate and square groove, the screw rod runs through square groove and spring ring back and square plate threaded connection.

Preferably, a frustum hole of a circular truncated cone structure is arranged in the square groove, the frustum hole gradually shrinks along with the depth of the depression, and a compression groove for dividing the screw into two independent parts is arranged at one end of the screw, which is matched with the frustum hole.

A circuit breaker assembly comprising a plurality of circuit breakers as described in any of the above, adjacent circuit breakers being connected by a locking member.

Based on the technical scheme, the beneficial effects of the utility model are that:

1) The utility model changes the fastening mode of the electric wire on the circuit breaker from screw to pressing plate, the stress of the electric wire is more stable, the pressing is firmer, and no other screw driver is needed, the operation is more convenient;

2) The utility model discloses increase locking part on the circuit breaker, can splice a plurality of independent circuit breakers and use together, it is more convenient to carry.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a circuit breaker according to one embodiment;

figure 2 is a front view of a circuit breaker in one embodiment;

FIG. 3 is a cross-sectional view taken along line AA in FIG. 2;

FIG. 4 is an enlarged view of portion N of FIG. 1;

FIG. 5 is a schematic view of a part of a circuit breaker according to a second embodiment;

FIG. 6 is a cross-sectional view taken along line BB of FIG. 2;

FIG. 7 is an enlarged view of portion M of FIG. 5;

figure 8 is a schematic diagram of the structure of a circuit breaker assembly in one embodiment;

fig. 9 is a schematic structural diagram of a circuit breaker according to a third embodiment.

In the figures, the various reference numbers are:

100. a circuit breaker main body; 101. a front end face; 102. a rear end face; 103. a groove; 104. a square groove; 105. a frustum hole; 106. pressing a plate; 107. a square plate; 108. a spring ring; 109. a baffle plate; 110. a through hole; 111. a screw; 112. a compression groove;

200. a locking member; 201. a sliding rod body; 2011. a slider; 2012. an accommodating space; 2013. a clamping hole; 202. a chute; 2021. caulking grooves; 203. a card slot; 204. and (5) clamping the column.

Detailed Description

In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 4, for the first embodiment of the present invention, this embodiment provides a circuit breaker, which includes a circuit breaker main body 100 and two locking components 200, wherein the two locking components 200 are respectively installed on two opposite sides of the circuit breaker main body 100, and are used for connecting the splicing and fixing blocks of the plurality of circuit breaker main bodies 100.

In this embodiment, the sliding rod 201 is a rectangular strip structure, and the circuit breaker main body 100 includes a front end surface 101 and a rear end surface 102, where the front end surface 101 is specifically a surface on which the operating pressure plate 106 presses the electric wire, and the rear end surface is a surface opposite to the front end surface 101. All be provided with spout 202 on preceding terminal surface 101 and the rear end face 102, spout 202 horizontal setting and both ends run through the intercommunication, and the slip rod body 201 is located spout 202 fit action.

Specifically, the top and the bottom of the sliding groove 202 are both recessed to form an embedded groove 2021, one end of the embedded groove 2021 is penetrated, the other end of the embedded groove 2021 is not penetrated, the top and the bottom of one end of the sliding rod body 201 are provided with a sliding block 2011, and the sliding block 2011 is embedded into the embedded groove 2021 at the top and the bottom of the sliding groove 202 respectively. The sliding rod 201 can be drawn out from one end of the sliding groove 202, and when moving to the other end, the embedding groove 2021 is communicated with the sliding rod 201, so that the sliding block 2011 on the sliding rod 201 is limited and cannot be drawn out completely.

The sliding rod 201 is pushed out, and the sliding rod 201 can be matched and clamped with the adjacent breaker main body 100.

Further, a clamping groove 203 is formed in the sliding groove 202 in a manner of being perpendicular to the length direction of the sliding groove 202 in a recessed manner, namely, the clamping groove 203 is recessed towards the inside of the bottom mounting portion 102, a clamping column 204 is arranged in the clamping groove 203, and one end of the clamping column 204 is elastically connected with the inner end wall of the clamping groove 203 through a spring. By pressing the card cylinder 204, the card cylinder 204 can be retracted into the card slot 203.

In order that the latch 204 can be extruded into the latch groove 203 by the sliding rod 201 of the adjacent breaker main body 100, the end of the latch 204 extending out is provided with an inclined surface, the sliding rod 201 of the breaker main body 100 can be pushed out to enter the sliding groove 202 of the next breaker main body 100, and the latch 204 can be extruded and retracted into the latch groove 203 by the inclined surface contacting with the latch 204.

Further, the sliding rod 201 is a square strip structure, one end of the sliding rod 201 extends from the length direction of the sliding rod 201 to form an accommodating space 2012, the length of the accommodating space 2012 is shorter than that of the sliding groove 202, and the locking column 204 extends out of the locking groove 203 and one end of the locking column vertically extends through the accommodating space 2012. Specifically, a clamping hole 2013 is formed in the end portion of the sliding rod 201 in a penetrating manner perpendicular to the length direction of the sliding rod 201, the size of the clamping hole 2013 is larger than that of the clamping column 204, and the clamping hole 2013 is in clamping fit with the clamping column 204 arranged in the sliding groove 202 of the adjacent circuit breaker main body 100. Here, the cooperation means: after the sliding rod body 201 is pushed out to enter the sliding groove 202 of the next circuit breaker main body 100, the sliding rod body 201 in the sliding groove 202 can be pushed out, meanwhile, the clamping column 204 can be extruded and retracted into the clamping groove 203 by contacting with the inclined surface of the clamping column 204, and when the clamping column 204 which is continuously pushed forward corresponds to the clamping hole 2013, the clamping column 204 is popped out to be clamped into the clamping hole 2013, so that the two circuit breaker main bodies 100 are spliced together.

It should be noted that, in this embodiment, a plurality of circuit breakers can be spliced together, and the sliding rod body 201 does not need to be installed in the last circuit breaker, and it is sufficient to take out the sliding rod body 201 of the last circuit breaker during splicing.

Example two

Referring to fig. 5 to 8, for the second embodiment of the present invention, the difference between this embodiment and the first embodiment is that the top of the circuit breaker main body is provided with a groove 103, the groove 103 runs through the communication towards one end of the front end face 101, the other end runs through the communication, the top of the end of the groove 103 close to the rear end face 102 is provided with a baffle 109, the baffle 109 is provided with a through hole 110, and the electric wire passes through the through hole 110 and enters into the groove 103 and is compressed and connected by the pressing plate 106.

The pressing plate 106 is located in the groove 103, a direction groove structure is formed in the groove 103, the pressing plate 106 is of a square structure, and two sides of the pressing plate 106 move along two sides of the groove 103. Square grooves 104 are formed in two sides of the groove 103, square plates 107 are arranged on two sides of the pressing plate 106, and the square plates 107 extend into the square grooves 104 to be connected in a sliding mode.

Furthermore, a spring ring 108 is arranged between the square plate 107 and the square groove 104, and the spring ring 108 is connected with the end wall of the square groove 104.

Screw rods 111 penetrate through the breaker main body on two sides of the groove 103, the screw rods 111 penetrate through the front end face 101 and extend towards the rear end face, the screw rods 111 penetrate through the square grooves 104 and penetrate through the square plates 107 from the middle of the spring ring 108, and the square plates 107 are in threaded connection with the screw rods 111. When the screw 111 is rotated, the pressing plate 106 advances or retreats to achieve the effect of pressing and loosening the electric wire.

The end part of the square groove 104 is provided with a frustum hole 105, the frustum hole 105 is in a circular truncated cone structure and is concavely formed from the end part of the square groove 104, the size of the depth of the depression gradually shrinks, the end part of the screw 111 extends into the frustum hole 105, and the end part of the screw 111 is concavely provided with a compression groove 112. When the screw 111 is pushed into the frustum hole 105, the size of the frustum hole 105 becomes smaller with depth so as to extrude the end of the screw 111, the square plate 107 which is retracted inwards at the end of the screw 111 is disengaged from the screw 111, and the pressing plate 106 is ejected under the action of the spring ring 108, so that the pressing of the electric wire is released. In this embodiment, the end of the screw 111 may be of a resilient structure, and may be compressed and contracted when extending into the frustum hole 105, so that the size of the end of the screw 111 is smaller than the size of the void passing through the square plate 107.

EXAMPLE III

As shown in fig. 9, the present embodiment is different from the embodiment in that the circuit breaker includes 4 locking parts 200, and two locking parts 200 are disposed on the corresponding sides of the circuit breaker main body 100 for stable connection, but not limited thereto, the locking parts 200 may be disposed on the circuit breaker main body 100 in different numbers and heights according to the requirement of stable connection.

The above description is only a preferred embodiment of the circuit breaker disclosed in the present invention, and is not intended to limit the scope of the embodiments of the present disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present disclosure should be included in the protection scope of the embodiments of the present disclosure.

Claims

1. A circuit breaker, comprising: the circuit breaker comprises a circuit breaker main body and at least two locking parts, wherein the locking parts are arranged on two corresponding sides of the circuit breaker main body respectively and comprise a sliding groove and a sliding rod body, the sliding rod body is connected with the sliding groove in a sliding mode, the sliding groove is horizontally arranged on the outer surface of the circuit breaker main body, and the circuit breaker main body is penetrated through two ends of the sliding groove.

2. The circuit breaker according to claim 1, wherein the top and the bottom of the sliding chute are provided with caulking grooves, one end of each caulking groove penetrates through the circuit breaker main body, and the other end of each caulking groove does not penetrate through the circuit breaker main body; and sliding blocks matched with the caulking grooves are arranged at the top and the bottom of one end of the sliding rod body.

3. The circuit breaker according to claim 2, wherein the sliding rod is a rectangular strip structure, one end of the sliding rod extends from the length direction of the sliding rod to form a receiving space, and the length of the receiving space is shorter than that of the chute;

the clamping groove is formed in the sliding groove, the clamping column capable of vertically extending to the containing space is arranged in the clamping groove, and the clamping column is connected with the clamping groove through the elastic piece.

4. The circuit breaker according to claim 3, wherein the other end of the sliding rod body is provided with a hole through which the locking pin is adapted to penetrate, perpendicular to the length direction of the sliding rod body.

5. The circuit breaker as claimed in claim 4, wherein the contact surface of the latch and the sliding rod is a slope.

6. The circuit breaker according to any one of claims 1 to 5, wherein a groove vertically corresponding to the chute is arranged on the top of the circuit breaker main body, one end of the groove penetrates through the circuit breaker main body, a baffle is arranged on the top of the other end of the groove, a through hole is arranged on the baffle, and a pressing plate which vertically slides is arranged in the groove.

7. The circuit breaker according to claim 6, wherein square grooves are formed on two sides of the groove, square plates are arranged on two sides of the pressing plate, and the square plates extend into the square grooves to be slidably connected.

8. The circuit breaker of claim 7, further comprising a spring ring and a screw, wherein the spring ring is disposed between the square plate and the square groove, and the screw penetrates through the square groove and the spring ring and is in threaded connection with the square plate.

9. The circuit breaker according to claim 8, wherein a frustum hole of a circular truncated cone structure is arranged in the square groove, the frustum hole gradually shrinks along with the depth of the recess, and a compression groove for dividing the screw into two independent parts is arranged at one end of the screw, which is matched with the frustum hole.

10. A circuit breaker assembly comprising a plurality of circuit breakers according to any one of claims 1 to 9, adjacent circuit breakers being connected by a locking member.