CN214848427U

CN214848427U - Circuit breaker

Info

Publication number: CN214848427U
Application number: CN202120626479.5U
Authority: CN
Inventors: 王洋; 徐涛; 李贤凯
Original assignee: Shanghai Liangxin Electrical Co Ltd
Current assignee: Shanghai Liangxin Electrical Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-23
Anticipated expiration: 2031-03-26

Abstract

The utility model provides a circuit breaker, which relates to the technical field of circuit devices, and comprises a connecting component and a shell, wherein the shell is provided with a mounting groove, the connecting component is fixedly connected in the mounting groove, the connecting component is provided with an inserting groove inserted with a bus bar, the connecting component of the circuit breaker is fixedly connected in the mounting groove of the shell and is limited by the mounting groove, the connecting component has higher fixed stability and is not easy to float, when the bus bar is inserted with the connecting component, the bus bar and the connecting component are more easily aligned and connected in place, and the operation is convenient and rapid; and when the busbar is plugged into the connecting assembly through the plugging groove, the plugging part of the busbar and the connecting assembly are both positioned in the shell, so that the circuit breaker is not easy to float, further fastening through screws is not needed, at the moment, the circuit breaker can be mounted and dismounted without cutting off a circuit, the mounting and dismounting processes of the circuit breaker are simplified, and the mounting efficiency is improved.

Description

Circuit breaker

Technical Field

The utility model belongs to the technical field of the circuit arrangement technique and specifically relates to a circuit breaker is related to.

Background

The circuit breaker on the existing market, common structure be the external connection structure of circuit breaker with arrange female fixed connection, rethread screw with the circuit breaker with arrange female fastening. When the circuit breaker is replaced in the dismounting, the worker needs to detach the bus bar and the screw fastening the circuit breaker together, and then the circuit breaker is replaced in the dismounting. However, since the screw is in the circuit connecting the busbar and the circuit breaker, the screw is easily electrified, so that the worker needs to disconnect the circuit first and then disassemble and replace the circuit breaker, and the whole operation process is complex and the disassembly and the assembly are inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker to it is complicated to solve among the prior art dismouting circuit breaker process, and the inconvenient problem of dismouting change.

The utility model provides a circuit breaker, including coupling assembling and casing, be provided with the mounting groove on the casing, coupling assembling fixed connection be in the mounting groove, coupling assembling is provided with the inserting groove of pegging graft with female arranging.

Furthermore, the connecting assembly comprises a first connecting contact head unit and a second connecting contact head unit, and the first connecting contact head unit and the second connecting contact head unit are arranged at an interval relatively so as to form the insertion groove between the first connecting contact head unit and the second connecting contact head unit;

the first connecting contact unit and the second connecting contact unit are respectively and fixedly connected in the mounting groove.

Furthermore, the first connecting contact unit comprises a plurality of first contacts which are sequentially arranged along a straight line, the first contacts are movably connected with the first contacts adjacent to the first contacts, the second connecting contact unit comprises a plurality of second contacts which are sequentially arranged along a straight line, and the second contacts are movably connected with the second contacts adjacent to the second contacts.

Furthermore, the plurality of first contacts and the plurality of second contacts are all arranged in sequence along a direction perpendicular to the plugging direction of the busbar.

Furthermore, a first compression plate, a second compression plate and a clamping piece are arranged in the mounting groove, the first compression plate and the second compression plate are arranged at an interval in a relative mode, and the clamping piece is arranged between the first compression plate and the second compression plate;

the first connecting contact unit is fixed between the first pressure plate and the clamping piece, and the second connecting contact unit is fixed between the second pressure plate and the clamping piece.

Further, the first pressing plate and the second pressing plate are made of elastic materials.

Furthermore, one side of the first connection contact unit, which is far away from the second connection contact unit, is provided with a first fixing groove, one side of the second connection contact unit, which is far away from the first connection contact unit, is provided with a second fixing groove, the first compression plate is fixed in the first fixing groove, and the second compression plate is fixed in the second fixing groove.

Furthermore, the circuit breaker further comprises a mounting seat, the mounting seat is fixedly connected with the shell, the mounting seat comprises two first fixing plates and two second fixing plates, the two first fixing plates are arranged at intervals oppositely, the two second fixing plates are arranged oppositely, the two first fixing plates are arranged between the two second fixing plates, and two ends of each second fixing plate are respectively connected with the two first fixing plates; the two first fixing plates and the two second fixing plates are enclosed into the mounting groove;

two ends of the first compression plate and the second compression plate respectively correspond to the two second fixing plates, wherein one first fixing plate is abutted with the first compression plate, and the other first fixing plate is abutted with the second compression plate; and two ends of the clamping piece are inserted into the two second fixing plates.

Furthermore, a first clamping table is arranged on the side wall of the first fixing groove, a second clamping table is arranged on the side wall of the second fixing groove, the first pressing plate abuts against the first clamping table, and the second pressing plate abuts against the second clamping table.

Further, be provided with the mounting groove that a plurality of intervals set up on the casing, it is a plurality of be provided with respectively in the mounting groove coupling assembling.

The utility model provides a circuit breaker, including casing and coupling assembling, be provided with the mounting groove on the casing, coupling assembling fixed connection is in the mounting groove, and coupling assembling is provided with the inserting groove of pegging graft with female arranging. The connecting component of the circuit breaker is fixedly connected in the mounting groove of the shell, and is limited by the mounting groove, the fixing stability of the connecting component is higher, the floating is not easy to occur, when the bus bar is spliced with the connecting component, the bus bar and the connecting component are more easily aligned and connected in place, and the operation is convenient and rapid; and when the busbar is plugged into the connecting assembly through the plugging groove, the plugging part of the busbar and the connecting assembly are both positioned in the shell, so that the circuit breaker is not easy to float, further fastening through screws is not needed, at the moment, the circuit breaker can be mounted and dismounted without cutting off a circuit, the mounting and dismounting processes of the circuit breaker are simplified, and the mounting efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an axial view of a circuit breaker connection assembly provided in an embodiment of the present invention;

fig. 2 is a schematic front view of a circuit breaker connection assembly provided in an embodiment of the present invention;

fig. 3 is a left side schematic view of a circuit breaker connection assembly provided in an embodiment of the present invention;

fig. 4 is a schematic top view of a circuit breaker connection assembly provided in an embodiment of the present invention;

fig. 5 is a schematic diagram of a circuit breaker according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a circuit breaker connection busbar provided by the embodiment of the present invention.

Icon: 110-a first connection contact unit; 111-a first fixation groove; 120-a second connection contact unit; 121-a second fixation groove; 200-a housing; 210-a mounting groove; 211-a first compacting plate; 212-a second compacting plate; 213-a clip; 214-a mount; 300-bus bar.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, the present embodiment provides a circuit breaker, including a housing 200 and a connecting assembly, the housing 200 is provided with a mounting groove 210, the connecting assembly is fixedly connected in the mounting groove 210, and the connecting assembly is provided with an inserting groove inserted into the busbar 300.

Specifically, be provided with mounting groove 210 on the casing 200, the last inserting groove that is provided with of coupling assembling, the opening direction of spread groove is the same with the opening direction of inserting groove, and female row 300 passes among the opening of mounting groove 210 and inserts the inserting groove to reach female the effect that the inside and the circuit breaker that insert the circuit breaker of arranging 300 and connect.

In this embodiment, since the connection assembly of the circuit breaker is fixedly connected in the mounting groove 210 of the housing 200 and is limited by the inside of the mounting groove 210, the connection assembly has high fixing stability and is not easy to float; when the busbar 300 is spliced with the connecting assembly, the connecting assembly is high in stability, and the opening direction of the connecting groove is the same as that of the splicing groove, so that the connecting groove and the splicing groove are aligned and connected in place more easily, and the operation is convenient and rapid; and when female row 300 is pegged graft to coupling assembling through the inserting groove, because female row 300's grafting portion and coupling assembling all are located casing 200, so need not further through the screw fastening again. Therefore, when the breaker needs to be disassembled and assembled by workers, the old breaker is directly pulled out without cutting off a circuit and inserting a new breaker to complete the process of disassembling and assembling the breaker without disassembling screws, so that the assembling and disassembling processes of the breaker are simplified, and the assembling efficiency is improved.

Further, the connecting assembly comprises a first connecting contact unit 110 and a second connecting contact unit 120, wherein the first connecting contact unit 110 and the second connecting contact unit 120 are oppositely arranged at intervals, so that a plug-in slot is formed between the first connecting contact unit 110 and the second connecting contact unit 120; the first connection contact unit 110 and the second connection contact unit 120 are fixedly connected in the mounting groove 210, respectively.

Specifically, as shown in fig. 1, the first connection contact unit 110 and the second connection contact unit 120 are disposed at an interval, and when the insertion groove is formed, since the two are not integrated, when the circuit breaker is replaced by inserting, even if the size of the busbar 300 is slightly larger due to a manufacturing error, a worker can easily insert the busbar 300 into the insertion groove.

Further, the first connection contact unit 110 includes a plurality of first contacts sequentially arranged along a straight line, the first contacts are movably connected with the first contacts adjacent to the first contacts, for example, the first contacts are connected with the first contacts adjacent to the first contacts in a relative movement manner, the second connection contact unit 120 includes a plurality of second contacts sequentially arranged along a straight line, the second contacts are movably connected with the second contacts adjacent to the second contacts, for example, the second contacts are connected with the second contacts adjacent to the second contacts in a relative movement manner.

The purpose of arranging the plurality of first contacts in a straight line and the plurality of second contacts in a straight line is to make the bus bar 300 have a trapezoidal structure even if a manufacturing error occurs, that is, one end of the bus bar 300 is large and the other end is small, by thinning the first connection contact unit 110 and the second connection contact unit 120; or the surface of the busbar 300 is uneven due to manufacturing errors, and each first contact and each second contact still keep a larger contact area with the busbar 300 in the process of plugging the plugging groove formed by the first connection contact unit 110 and the second connection contact unit 120, so that the condition that the contact between the busbar 300 and the plugging groove is poor due to the manufacturing errors of the busbar 300 is avoided, and the stability of current is ensured.

It can be understood that the plurality of first contacts may be sequentially arranged along the direction in which the busbar 300 is inserted into the insertion groove, or may be sequentially arranged along the direction perpendicular to the direction in which the busbar 300 is inserted into the insertion groove; on the basis that the first contact unit and the second contact unit are arranged at intervals relatively, the plurality of second contacts can be sequentially arranged along the direction in which the busbar 300 is inserted into the insertion groove, and can also be sequentially arranged along the direction perpendicular to the direction in which the busbar 300 is inserted into the insertion groove.

Specifically, the present embodiment adopts an implementation mode in which a plurality of first contacts and a plurality of second contacts are sequentially arranged along a direction perpendicular to the plugging direction of the busbar 300.

Further, a first pressing plate 211, a second pressing plate 212 and a clamping piece 213 are arranged in the mounting groove 210, the first pressing plate 211 and the second pressing plate 212 are arranged oppositely at an interval, and the clamping piece 213 is arranged between the first pressing plate 211 and the second pressing plate 212; the first connection contact unit 110 is fixed between the first pressing plate 211 and the snap member 213, and the second connection contact unit 120 is fixed between the second pressing plate 212 and the snap member 213.

The first pressing plate 211 and the second pressing plate 212 function to press the first connection contact unit 110 through the first pressing plate 211 and press the second connection contact unit 120 through the second pressing plate 212, so that the plurality of first contacts constituting the first connection contact unit 110 and the plurality of second contacts constituting the second connection contact unit 120 can be pressed on the busbar 300 plugged into the plugging groove better. That is, the first and second

pressing plates

211 and 212 give the first and second

connection contact units

110 and 120, respectively, a force toward each other to prevent the first and second contacts that are not in contact with the bus bar 300 from occurring.

Specifically, the snap-in member 213 is disposed between the first connection contact unit 110 and the second connection contact unit 120, the first pressing plate 211 is disposed on a side of the first connection contact unit 110 away from the second connection contact unit 120, and the second pressing plate 212 is disposed on a side of the second connection contact unit 120 away from the first connection contact unit 110.

Meanwhile, the purpose of the clamping member 213 is to connect each first contact and each second contact in the insertion groove through the clamping member 213, so as to prevent any first contact and any second contact from being inserted in the insertion groove along the busbar 300, that is, from sliding in the left and right directions as shown in fig. 2, and further prevent the first contact and the second contact from sliding out of the openings of the insertion groove and the mounting groove 210.

Specifically, one side of each first contact close to the second contact is provided with a groove, one side of each second contact close to the first contact is also provided with a groove, the groove of each first contact is clamped on one side of the clamping piece 213, and the groove of each second contact is clamped on the other side of the clamping piece 213, so as to achieve the effect of preventing the first contact and the second contact from sliding out of the insertion groove and the mounting groove 210.

Further, the first pressing plate 211 and the second pressing plate 212 are elastic materials.

Specifically, the material of the first pressing plate 211 and the second pressing plate 212 may be elastic plastic, rubber, or the like, so as to ensure the elasticity of the first pressing plate 211 and the second pressing plate 212.

Furthermore, a first fixing groove 111 is provided on a side of the first connection contact unit 110 facing away from the second connection contact unit 120, a second fixing groove 121 is provided on a side of the second connection contact unit 120 facing away from the first connection contact unit 110, the first pressing plate 211 is fixed in the first fixing groove 111, and the second pressing plate 212 is fixed in the second fixing groove 121.

Specifically, a side of each first contact facing away from the second contacts is provided with a groove, the grooves of all the first contacts are combined to form a first fixing groove 111, a side of each second contact facing away from the first contacts is provided with a groove, and the grooves of each second contact are combined to form a second fixing groove 121. The first pressing plate 211 is fixed in the first fixing groove 111, that is, the first pressing plate 211 may be clamped in the first fixing groove 111, and the first pressing plate 211 may also abut against the first fixing groove 111; the second pressing plate 212 may be engaged with the second fixing groove 121, and the second pressing plate 212 may abut against the second fixing groove 121.

Further, the circuit breaker further includes a mounting base 214, the mounting base 214 is fixedly connected with the housing 200, the mounting base 214 includes two first fixing plates disposed at an interval and two second fixing plates disposed opposite to each other, the two first fixing plates are disposed between the two second fixing plates, and two ends of the second fixing plates are respectively connected with the two first fixing plates; the two first fixing plates and the two second fixing plates are enclosed to form mounting grooves 210; two ends of the first pressing plate 211 and the second pressing plate 212 respectively correspond to two second fixing plates, wherein one first fixing plate is abutted with the first pressing plate 211, and the other first fixing plate is abutted with the second pressing plate 212; two ends of the clamping piece 213 are inserted into the two second fixing plates.

Specifically, the mounting block 214 is fixedly connected to the housing 200, and here, the mounting block 214 may be screwed, snapped, pinned, etc. with the housing 200. In order to limit the first contact and the second contact from moving greatly in a direction perpendicular to the direction in which the busbar 300 is inserted into the insertion slot, two first fixing plates and two second fixing plates are enclosed into the mounting slot 210.

Meanwhile, as shown in fig. 3, the first fixing plates are fixing plates arranged up and down, and the second fixing plates are fixing plates arranged left and right, that is, the narrow surfaces of the two first fixing plates are abutted to the first pressing plate 211 and the second pressing plate 212, so as to ensure that the first contacts and the second contacts are not limited, so that the phenomenon that any first contact and the second contact adjacent to the first contact cannot move is avoided, and the phenomenon that any second contact and the second contact adjacent to the second contact cannot move is avoided.

As shown in fig. 1 to fig. 3, in particular, through holes are formed in both the second fixing plates, the through holes in the second fixing plates are disposed opposite to each other, one end of the clamping member 213 is inserted into the through hole of one of the second fixing plates, and the other end of the clamping member 213 is inserted into the through hole of the other second fixing plate.

It can be understood that, when assembling the connecting assembly, the mounting base 214 is fixedly connected to the inside of the housing 200, then the first pressing plate 211 and the second pressing plate 212 are placed, then the plurality of first contacts and the plurality of second contacts are sequentially placed inside the mounting base 214, and the first connecting contact unit 110 composed of the plurality of first contacts and the second connecting contact unit 120 composed of the plurality of second contacts are oppositely arranged at intervals, then the clamping member 213 is inserted into the hole of one of the two fixing plates, then the first contacts and the second contacts are sequentially inserted into the grooves of each first contact and each second contact, and finally the first contacts and each second contact are connected with the mounting base 214 through the clamping member 213 via the hole of the other one of the two second connecting plates.

Further, a first clamping table is arranged on the side wall of the first fixing groove 111, a second clamping table is arranged on the side wall of the second fixing groove 121, the first pressing plate 211 abuts against the first clamping table, and the second pressing plate 212 abuts against the second clamping table.

Specifically, as shown in fig. 2, first clamping platforms are disposed on sidewalls of upper and lower ends of the first fixing groove 111, second clamping platforms are disposed on sidewalls of upper and lower ends of the second fixing groove 121, an upper end of the first pressing plate 211 abuts against the first clamping platform at the upper end of the first fixing groove 111, and a lower end of the first pressing plate 211 abuts against the first clamping platform at the lower end of the first fixing plate; the upper end of the second pressing plate 212 abuts against the first locking abutment at the upper end of the second fixing groove 121, and the lower end of the second pressing plate 212 abuts against the second locking abutment at the lower end of the second fixing groove 121. That is, the first pressing plate 211 and the first connection contact unit 110 are not completely attached to each other, and the second pressing plate 212 and the second connection contact unit 120 are not completely attached to each other by the first clamping table and the second clamping table, so that the first connection contact unit 110 and the second connection contact unit 120 are convenient for heat dissipation.

Meanwhile, the first pressing plate 211 is provided with hollow structures at two ends along the extending direction of each first contact of the first connection contact unit 110, and the second pressing plate 212 is provided with hollow structures at two ends along the extending direction of each second contact of the second connection contact unit 120. Specifically, as shown in fig. 4, the hollow structure is a comb-tooth-shaped hollow structure, and the comb-tooth-shaped hollow structure is configured to allow each protruding portion in the hollow structure of the first pressing plate 211 to correspond to one or more first contacts, and each protruding portion in the hollow structure of the second pressing plate 212 to correspond to one or more second contacts, so as to ensure that when the surface of the busbar 300 is uneven, the effect of contacting each first contact with each second contact is better through protruding compression.

Simultaneously, first contact and second contact are close to mounting groove 210 open-ended one end and all are provided with the spigot surface, that is to say, the opening of inserting groove is close to mounting groove 210 open-ended position more, and the opening of inserting groove is big more, does so, makes the staff at the in-process of changing the circuit breaker, can aim at the opening of inserting groove and the open-ended position of mounting groove 210 better, and then makes things convenient for female row 300 to insert into the inserting groove more.

Further, the housing 200 is provided with a plurality of mounting grooves 210 disposed at intervals, and the plurality of mounting grooves 210 are respectively provided with a connecting assembly therein. That is, as shown in fig. 5, according to the volume of the housing 200, a plurality of mounting grooves 210 can be disposed inside the housing 200, and a connection assembly is disposed in each of the mounting grooves 210, so as to be simultaneously inserted into the plurality of busbars 300; meanwhile, it can be understood that, according to the orientation of the busbar 300, the opening of the mounting groove 210 may be disposed on the vertical surface of the circuit breaker, so that the busbar 300 may be inserted into the circuit breaker from the vertical surface of the circuit breaker in a horizontal connection manner for connection; the opening of the mounting groove 210 may also be disposed on a horizontal plane of the circuit breaker, so that the busbar 300 may be inserted into the circuit breaker from the horizontal plane to be connected in a vertical connection manner.

The circuit breaker of this embodiment, when the staff need the dismouting change circuit breaker, the staff directly pulls out the circuit breaker, accomplishes the step of dismantling the circuit breaker promptly, and when the staff need install the circuit breaker, direct notch through inserting groove and mounting groove 210 will be female arranging 300 and peg graft the inserting groove in, can accomplish the installation of circuit breaker, has simplified the process that the circuit breaker was changed in the dismouting, makes the circuit breaker easily dismouting more.

Claims

1. The utility model provides a circuit breaker, its characterized in that includes coupling assembling and casing (200), be provided with mounting groove (210) on casing (200), coupling assembling fixed connection be in mounting groove (210), coupling assembling is provided with the inserting groove of pegging graft with female arranging (300).

2. The circuit breaker according to claim 1, wherein the connecting assembly comprises a first connecting contact unit (110) and a second connecting contact unit (120), the first connecting contact unit (110) and the second connecting contact unit (120) are oppositely arranged at intervals, so that the first connecting contact unit (110) and the second connecting contact unit (120) form the plug slot therebetween;

the first connection contact unit (110) and the second connection contact unit (120) are respectively and fixedly connected in the mounting groove (210).

3. The circuit breaker according to claim 2, wherein the first connecting contact unit (110) comprises a plurality of first contacts arranged in a straight line in sequence, the first contacts being in movable connection with the first contacts adjacent to the first contacts, and the second connecting contact unit (120) comprises a plurality of second contacts arranged in a straight line in sequence, the second contacts being in movable connection with the second contacts adjacent to the second contacts.

4. The circuit breaker according to claim 3, wherein a plurality of said first contacts and a plurality of said second contacts are arranged in sequence along a direction perpendicular to a plugging direction of a busbar (300).

5. The circuit breaker according to any one of claims 2-4, wherein a first pressing plate (211), a second pressing plate (212) and a clamping member (213) are disposed in the mounting groove (210), the first pressing plate (211) and the second pressing plate (212) are disposed at an interval, and the clamping member (213) is disposed between the first pressing plate (211) and the second pressing plate (212);

the first connecting contact head unit (110) is fixed between the first pressing plate (211) and the clamping piece (213), and the second connecting contact head unit (120) is fixed between the second pressing plate (212) and the clamping piece (213).

6. The circuit breaker of claim 5 wherein said first compression plate (211) and said second compression plate (212) are elastomeric materials.

7. The circuit breaker according to claim 5, wherein a side of the first connection contact unit (110) facing away from the second connection contact unit (120) is provided with a first fixing groove (111), a side of the second connection contact unit (120) facing away from the first connection contact unit (110) is provided with a second fixing groove (121), the first pressing plate (211) is fixed in the first fixing groove (111), and the second pressing plate (212) is fixed in the second fixing groove (121).

8. The circuit breaker according to claim 7, further comprising a mounting base (214), wherein the mounting base (214) is fixedly connected to the housing (200), the mounting base (214) comprises two first fixing plates and two second fixing plates, the two first fixing plates are oppositely arranged at intervals, the two second fixing plates are oppositely arranged, the two first fixing plates are arranged between the two second fixing plates, and two ends of the second fixing plates are respectively connected to the two first fixing plates; the two first fixing plates and the two second fixing plates are enclosed into the mounting groove (210);

two ends of the first pressing plate (211) and the second pressing plate (212) are respectively corresponding to the two second fixing plates, wherein one first fixing plate is abutted against the first pressing plate (211), and the other first fixing plate is abutted against the second pressing plate (212); two ends of the clamping piece (213) are inserted into the two second fixing plates.

9. The circuit breaker according to claim 7, wherein a first clamping table is disposed on a sidewall of the first fixing groove (111), a second clamping table is disposed on a sidewall of the second fixing groove (121), the first pressing plate (211) abuts against the first clamping table, and the second pressing plate (212) abuts against the second clamping table.

10. The circuit breaker according to claim 1, wherein a plurality of mounting slots (210) are disposed at intervals on the housing (200), and the connecting assembly is disposed in each of the plurality of mounting slots (210).