CN210668226U

CN210668226U - Low-voltage circuit breaker convenient to installation

Info

Publication number: CN210668226U
Application number: CN201921312126.7U
Authority: CN
Inventors: 张赛蒙
Original assignee: Guangdong Huacheng Electric Co ltd
Current assignee: Guangdong Huacheng Electric Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-06-02
Anticipated expiration: 2029-08-14

Abstract

The utility model provides a low-voltage circuit breaker convenient to installation, including circuit breaker body, hasp, tripping device, moving contact, static contact, explosion chamber and bimetallic strip, both sides in the circuit breaker body still are provided with the terminal respectively, and the hasp articulates in the circuit breaker body, and the moving contact articulates in the circuit breaker body, and its characterized in that still includes the installation department, wherein, the both sides of circuit breaker body are provided with concave part, convex part respectively, and concave part and convex part shape just match each other; the circuit breaker comprises a circuit breaker body, wherein at least one clamping groove is formed in the rear side of the circuit breaker body along the directions of two sides, and an opening is formed in the front side opposite to the rear side and used for arranging a push switch; the installation department includes connecting portion and extension, and one side of connecting portion is provided with joint portion for cooperate with the joint groove, extension and the integrative setting of connecting portion. The utility model discloses can improve the convenience of using, improve low voltage circuit breaker's accommodation.

Description

Low-voltage circuit breaker convenient to installation

Technical Field

The utility model relates to a circuit breaker field particularly, relates to a low voltage circuit breaker convenient to installation.

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 for a predetermined time. Most of existing circuit breakers are fixed on a mounting plate or a wall surface through screws, so that a screwdriver is required to be used for operation during mounting and dismounting, the working efficiency is reduced, and the circuit breaker is inconvenient to use.

In addition, discover some typical prior art through a large amount of search, like patent CN108447744A, disclose a circuit breaker convenient to installation, including the mount pad, the upper surface of mount pad respectively with the lower surface of fixed block and telescopic machanism's bottom fixed connection, telescopic machanism is located the right side of fixed block, the standing groove has been seted up to the upper surface of fixed block, the lower surface of standing groove and the lower surface overlap joint of circuit breaker body, the right flank of circuit breaker body and the left surface fixed connection of first connecting plate, the right flank of first connecting plate and the left surface fixed connection of buckle down, telescopic machanism's top and the lower fixed surface connection of backup pad. Or like patent CN107958819B, look at and provide a fixing device for circuit breaker installation, including the fixed plate, the equal symmetry in top and the bottom on fixed plate right side is provided with two fixing bolt, and fixing bolt's left end runs through the fixed plate and extends to its outside, the first mounting panel of bottom fixedly connected with on fixed plate right side, the top fixedly connected with slide rail of first mounting panel, the surperficial sliding connection of slide rail has the slider. As another typical case JP5276534B2, there is provided a circuit breaker configured to have: a back connection hole which is opened on a back side of the frame of the circuit breaker and into which the back connection stud can be inserted; a rail fitting groove which can be fitted with an externally provided mounting rail; and a mounting device insertion groove which is connected with the back surface connection hole and the guide rail embedding groove, and inserts the mounting device which can be clamped with the mounting guide rail into the mounting device insertion groove and the back surface connection hole connected with the mounting device insertion groove for mounting.

Therefore, how to improve the installation effect of the circuit breaker, many practical problems to be solved in practical application still have not proposed specific solutions.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiency of the prior art, a low-voltage circuit breaker convenient to installation is provided, the utility model discloses a concrete technical scheme as follows:

a low-voltage circuit breaker convenient to install comprises a circuit breaker body, a lock catch, a tripping mechanism, a moving contact, a static contact, an arc extinguish chamber and a bimetallic strip, wherein binding posts are respectively arranged on two sides in the circuit breaker body; the rear side of the circuit breaker body is provided with at least one clamping groove along the directions of the two sides, and the front side opposite to the rear side is provided with an opening for arranging a push switch; the installation department includes connecting portion and extension, one side of connecting portion is provided with joint portion for with the joint groove cooperates, the extension sets up with connecting portion an organic whole.

Optionally, one side of the extending part close to the breaker body is provided with insections, and the tooth form of the insections and the side of the extending part close to the breaker body form a certain angle.

Alternatively, the recess may have any one of a wedge shape, an inverted T shape, and an inverted J shape.

Optionally, the low-voltage circuit breaker further comprises a rotating part, and the central part of the rotating part is hinged to the circuit breaker body; the push switch is hinged with the first protruding part of the rotating part through a first connecting rod, the protrusion at one end of the moving contact is hinged with the second protruding part of the rotating part through a second connecting rod, and the first protruding part and the second protruding part are arranged correspondingly by taking the central part of the rotating part as a central shaft.

Optionally, the rotating portion is an upper portion and a lower portion, and is clockwise divided into a first partition, a second partition, a third partition and a fourth partition which are equal in size, the first partition and the second partition are located on the upper portion, the third partition and the fourth partition are located on the lower portion, the first protruding portion and the second protruding portion are arranged on the same surface of the rotating portion, the first protruding portion is arranged on the first partition or the second partition, and the second protruding portion is arranged on the third partition or the fourth partition.

Optionally, the rotating part is an upper part and a lower part, and is clockwise divided into a first partition, a second partition, a third partition and a fourth partition of the same size, the first partition and the second partition are located on the upper part, the third partition and the fourth partition are located on the lower part, the first protruding part and the second protruding part are respectively arranged on the upper surface and the lower surface of the rotating part, the first protruding part is arranged on the first partition or the second partition, and the second protruding part is arranged on the third partition or the fourth partition.

The utility model discloses the beneficial effect who gains includes: 1. the installation convenience can be well improved, and when part of the low-voltage circuit breakers are damaged, the low-voltage circuit breakers of the same type can be replaced, so that the use convenience can be improved, and the application range of the low-voltage circuit breakers can be widened; 2. the use experience of the low-voltage circuit breaker is improved; 3. the low-voltage circuit breaker hung on the mounting bar can be effectively prevented from sliding or falling off at will.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Fig. 1 is a schematic structural diagram of a low-voltage circuit breaker convenient to install according to one embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a low-voltage circuit breaker convenient to install according to one embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an installation portion of a low-voltage circuit breaker convenient to install according to one embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a circuit breaker in CN108447744A for easy installation in the prior art;

description of reference numerals: 1. a circuit breaker body; 2. an installation part; 3. a clamping groove; 4. a recess; 5. A switch; 6. a convex portion; 7. a shedding mechanism; 8. locking; 9. a bimetal; 10. a binding post; 11. An arc extinguishing chamber; 201. a connecting portion; 202. an extension portion; 203. a clamping part; 204. insection; 501. A first link; 502. a rotating part; 503. a moving contact; 504. and (7) carrying out static contact.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further described in detail with reference to the following embodiments thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or component must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.

The utility model relates to a low-voltage circuit breaker convenient to installation, according to the following embodiment of the illustrated explanation of figures 1-3:

the first embodiment is as follows:

the embodiment provides a low-voltage circuit breaker convenient to install, which comprises a circuit breaker body 1, a lock catch 8, a tripping mechanism 7, a moving contact 503, a fixed contact 504, an arc extinguish chamber 11 and a bimetallic strip 9, wherein binding posts 10 are respectively arranged on two sides in the circuit breaker body 1, the lock catch 8 is hinged to the circuit breaker body 1, the moving contact 503 is hinged to the circuit breaker body, the low-voltage circuit breaker further comprises an installation part 2, concave parts and convex parts are respectively arranged on two sides of the circuit breaker body 1, and the shapes of the concave parts and the convex parts are just matched with each other; the rear side of the circuit breaker body 1 is provided with at least one clamping groove 3 along the directions of the two sides, and the front side opposite to the rear side is provided with an opening for arranging a push switch 5; the installation part 2 comprises a connection part 201 and an extension part 202, one side of the connection part 201 is provided with a clamping part 203, which is used for matching with the clamping groove 3, and the extension part and the connection part are integrally arranged. The clamping portion is preferably wedge-shaped, and the clamping groove 3 is a wedge-shaped clamping groove adapted to the clamping portion.

Wherein, the extension is close to the one side of circuit breaker body is provided with insection 204, just insection 204 the profile of tooth with extension 202 is close to the one side of circuit breaker body is certain angle, insection towards connecting portion the direction with the extension is close to the one side of circuit breaker body is certain angle, the angle is the acute angle to this increases during the low voltage circuit breaker installation, extension and fixed mounting frictional force between low voltage circuit breaker's the whippletree structure.

Specifically, the concave part can be any one of wedge shape, inverted T shape and inverted J shape, the shape of the convex part is matched with that of the concave part, if the concave part is wedge shape, the convex part is also wedge shape, and the size, length and shape of the convex part are matched with those of the concave part, so that low-voltage circuit breakers of the same type can be assembled and installed well, and the adaptability of the low-voltage circuit breakers to the environment is greatly improved.

The low-voltage circuit breaker further comprises a rotating part 502, in order to facilitate the rotation of the rotating part 502 around a fixed point, the central part of the rotating part 502 is provided with a through hole and is hinged with a cylindrical protrusion on the circuit breaker body so as to be hinged with the circuit breaker body 1 and can perform circular motion around the cylindrical protrusion; the push switch 5 is hinged to a first protrusion of the rotating portion 502 through a first connecting rod 501 passing through the opening, and a protrusion at one end of the moving contact 503 is hinged to a second protrusion of the rotating portion 502 through a second connecting rod, wherein the first protrusion and the second protrusion are arranged correspondingly with a central portion of the rotating portion as a central axis.

The rotating portion 502 is divided into an upper portion and a lower portion, and is divided into a first partition, a second partition, a third partition and a fourth partition which are equal in size clockwise, the first partition and the second partition are located on the upper portion, the third partition and the fourth partition are located on the lower portion, the first protruding portion and the second protruding portion are arranged on the same surface of the rotating portion 502, the first protruding portion is arranged on the first partition or the second partition, and the second protruding portion is arranged on the third partition or the fourth partition.

In addition, the first protruding portion and the second protruding portion may be respectively disposed on the upper surface and the lower surface of the rotating portion 502 penetrating the thickness direction of the rotating portion 502, the first protruding portion is disposed on the first partition or the second partition, and the second protruding portion is disposed on the third partition or the fourth partition.

Example two:

this embodiment provides a low voltage circuit breaker convenient to installation, including circuit breaker body 1, hasp 8, tripping device 7, moving contact 503, static contact 504, explosion chamber 11 and bimetallic strip 9, both sides in the circuit breaker body 1 still are provided with terminal 10 respectively, hasp 8 articulate in circuit breaker body 1, moving contact 503 articulate in circuit breaker body. The existing circuit breaker mostly uses a screw mode to fix the circuit breaker, and needs to drill holes when being installed, and then the screws pass through the installation holes on the circuit breaker body to carry out installation operation, and after the screws rust due to moisture, the screws are difficult to screw to carry out disassembly operation on the circuit breaker, or when the screws are forcibly disassembled, the screw holes of the circuit breaker are often damaged, so that the circuit breaker cannot be installed subsequently, therefore, the low-voltage circuit breaker of the embodiment also comprises an installation part 2 and is combined with the low-voltage circuit breaker provided by the embodiment, wherein, concave parts and convex parts are respectively arranged on two sides of the circuit breaker body 1, and the shapes of the concave parts and the convex parts are just matched with each other; the rear side of the circuit breaker body 1 is provided with at least one clamping groove 3 along the directions of the two sides, and the front side opposite to the rear side is provided with an opening for arranging a push switch 5; the installation part 2 comprises a connection part 201 and an extension part 202, one side of the connection part 201 is provided with a clamping part 203, which is used for matching with the clamping groove 3, and the extension part and the connection part are integrally arranged. Because of installation department 2 inlays the joint groove on going into low-voltage circuit breaker through the cover, can improve the convenience of installation well, and when its part damaged, can also change the low-voltage circuit breaker of the same type, firstly can improve the convenience of use, secondly improves low-voltage circuit breaker's accommodation. In addition, when the low-voltage circuit breaker is installed, the low-voltage circuit breaker embedded with the installation part only needs to be hung on the installation rod, and the low-voltage circuit breaker can be easily taken out from the installation rod.

Wherein, in order to avoid hanging the low voltage circuit breaker who establishes on the installation thick stick and slide at will or drop, the extension is close to the one side of circuit breaker body is provided with insection 204, just insection 204 the profile of tooth with extension 202 is close to the one side of circuit breaker body is certain angle, insection towards connecting portion the direction with the extension is close to the one side of circuit breaker body is certain angle, the angle is the acute angle, increases with this during the installation of low voltage circuit breaker, extension and fixed mounting frictional force between low voltage circuit breaker's the whippletree structure.

Wherein, experience in order to improve the use of the low voltage circuit breaker that this embodiment provided, low voltage circuit breaker still includes rotation portion 502, for the convenience rotation portion 502 rotates around fixed a little, rotation portion 502's central part has a through-hole, and with cylindrical protrusion is articulated on the circuit breaker body, in order to articulate in circuit breaker body 1, and can center on cylindrical protrusion carries out circular motion, and is specific, cylindrical protruding top position has a small hole that runs through cylindrical protruding diameter direction at least, and the fixed part spare of the iron wire of being convenient for or other materials passes the small hole, prevents that rotation portion from droing, preferably, rotation portion 502 can be former shape rotation portion, rectangle rotation portion. In addition, the through hole may be circular, rectangular, triangular or other polygonal shapes, and the cylindrical protrusion may be replaced with a protrusion with a corresponding shape according to the difference of the through hole, so as to fix the rotating part 502; the push switch 5 is hinged to a first protrusion of the rotating portion 502 through a first connecting rod 501 passing through the opening, and a protrusion at one end of the moving contact 503 is hinged to a second protrusion of the rotating portion 502 through a second connecting rod, wherein the first protrusion and the second protrusion are arranged correspondingly with a central portion of the rotating portion as a central axis. Preferably, first connecting rod, second connecting rod are the connecting rod that plastic materials made, and both ends have the through-hole for establish respectively on first bulge, second bulge, just the top position of first bulge, second bulge has a little hole respectively at least, and the fixed part of the iron wire of being convenient for or other materials passes little hole, prevents that first connecting rod, second connecting rod from first bulge, second bulge drop.

Example three:

the present embodiment is basically the same as the second embodiment, except that: in order to improve the rotating efficiency of the rotating part, any one of a rotating wheel, a pulley and a roller is fixedly sleeved on the cylindrical protrusion and is used for being matched with the through hole in the central part of the rotating part 502.

To sum up, the utility model discloses a low pressure circuit ware convenient to installation, produced useful technological effect includes: 1. the installation convenience can be well improved, and when part of the low-voltage circuit breakers are damaged, the low-voltage circuit breakers of the same type can be replaced, so that the use convenience can be improved, and the application range of the low-voltage circuit breakers can be widened; 2. the use experience of the low-voltage circuit breaker is improved; 3. the low-voltage circuit breaker hung on the mounting bar can be effectively prevented from sliding or falling off at will.

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples, and various configurations may omit, replace, or add various processes or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Furthermore, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, such as well-known circuits, processes, algorithms, structures, and techniques, which have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.

Claims

1. The low-voltage circuit breaker convenient to install comprises a circuit breaker body (1), a lock catch (8), a tripping mechanism (7), a moving contact (503), a fixed contact (504), an arc extinguish chamber (11) and a bimetallic strip (9), wherein binding posts (10) are respectively arranged on two sides in the circuit breaker body (1), the lock catch (8) is hinged to the circuit breaker body (1), and the moving contact (503) is hinged to the circuit breaker body (1), and is characterized by further comprising an installation part (2), wherein concave parts and convex parts are respectively arranged on two sides of the circuit breaker body (1), and the shapes of the concave parts and the convex parts are just matched with each other; the rear side of the circuit breaker body (1) is provided with at least one clamping groove (3) along the directions of the two sides, and the front side opposite to the rear side is provided with an opening for arranging a push type switch (5); installation department (2) are including connecting portion (201) and extension (202), one side of connecting portion (201) is provided with joint portion (203), be used for with joint groove (3) cooperate, the extension sets up with connecting portion an organic whole.

2. Low voltage circuit breaker easy to mount as claimed in claim 1, characterized in that the side of the extension close to the circuit breaker body is provided with a toothing (204), and the toothing of the toothing (204) is angled with respect to the side of the extension (202) close to the circuit breaker body.

3. Low voltage circuit breaker easy to mount as claimed in any one of claims 1 to 2, characterized in that it further comprises a rotating portion (502), the central part of said rotating portion (502) being hinged to said circuit breaker body (1); the push type switch (5) is hinged with a first protruding part of the rotating part (502) through a first connecting rod (501), a protrusion at one end of the moving contact (503) is hinged with a second protruding part of the rotating part (502) through a second connecting rod, and the first protruding part and the second protruding part are correspondingly arranged by taking the central part of the rotating part as a central shaft.

4. Low voltage circuit breaker easy to install as claimed in claim 3, characterized in that said rotating part (502) is divided into an upper part and a lower part and clockwise into a first, a second, a third and a fourth part of equal size, said first and second part being located at the upper part, said third and fourth part being located at the lower part, said first and second projections being provided on the same surface of said rotating part (502), and said first projection being provided on said first or second part, said second projection being provided on the third or fourth part.

5. Low voltage circuit breaker easy to mount as claimed in claim 4, characterized in that said first and second projections are provided on the upper and lower surface of said rotary part (502), respectively.