CN210607127U - Buckle structure and protection casing of circuit breaker - Google Patents

Buckle structure and protection casing of circuit breaker Download PDF

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Publication number
CN210607127U
CN210607127U CN201920924957.3U CN201920924957U CN210607127U CN 210607127 U CN210607127 U CN 210607127U CN 201920924957 U CN201920924957 U CN 201920924957U CN 210607127 U CN210607127 U CN 210607127U
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China
Prior art keywords
circuit breaker
snap
claw
pair
clamping
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CN201920924957.3U
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Chinese (zh)
Inventor
周月浩
高仁旦
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Zhejiang Chint Electrics Co Ltd
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Zhejiang Chint Electrics Co Ltd
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Priority to CN201920924957.3U priority Critical patent/CN210607127U/en
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Abstract

The utility model provides a protective cover of a circuit breaker, which comprises a cover body and a clamping pin, wherein the cover body and the clamping pin are detachably connected with each other, the cover body is provided with first clamping claws which are arranged at intervals, and the cover body is clamped with a shell of the circuit breaker through the first clamping claws; the interval between the first block claw is constructed into first accommodation space, the cover body have with the first through-hole that first accommodation space is linked together, the bayonet lock includes a pair of second block claw of mutual interval arrangement, and the second block claw stretches into a pair of first block claw that the restriction corresponds in the first accommodation space is close to each other, and the protection casing is firm reliable with being connected of the shell of circuit breaker, and the anti bending deformation ability of protection casing is strong to through detachably bayonet lock, realize the used repeatedly of the cover body.

Description

Buckle structure and protection casing of circuit breaker
Technical Field
The utility model relates to a low-voltage apparatus field, concretely relates to use buckle structure and protection casing at circuit breaker.
Background
The shell of the existing circuit breaker is mostly assembled by a plurality of shells, the shell is fixedly connected with the parts which do not need to be disassembled through rivets in a mode, the parts which need to be disassembled when the shell is maintained are generally fixedly connected with the parts through buckles in a buckle mode, and the existing circuit breaker buckle connection structure is unreliable in connection and easy to fall off. For example, a shield on a circuit breaker case currently on the market has two configurations, one is a product integrally formed with the circuit breaker case, and the other is a product separately provided from the circuit breaker case; when the circuit breaker works, because electric arcs can be generated inside the circuit breaker, the protection cover arranged in a split manner can be heated and deformed by heat generated by the electric arcs, so that the protection cover falls off, and potential safety hazards exist; the integrally arranged protective cover is not detachable, so that the maintenance of the circuit breaker and the replacement of internal parts are inconvenient; in addition, some protection covers that the components of a whole that can function independently set up, its be connected unreliable with the circuit breaker shell, receive easy pine and take off when external force.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a buckle structure and protection casing of connecting reliable, easy dismounting's circuit breaker.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a buckle structure of a circuit breaker comprises a buckle body and a bayonet 2 which are detachably connected with each other, wherein the buckle body is provided with at least one pair of first clamping claws 11 which are arranged at intervals, the interval between each pair of the first clamping claws 11 is constructed into a first accommodating space 12, and each pair of the first clamping claws 11 can approach each other in an elastic deformation way; the buckle body is clamped with the shell 3 of the circuit breaker through the first clamping claw 11;
the buckle body is provided with a first communicating hole 14 communicated with the first accommodating space 12, the bayonet pin 2 comprises a pair of second clamping claws 21 arranged at intervals, and the pair of second clamping claws 21 extend into the first accommodating space 12 through the first communicating hole 14 to limit the corresponding pair of first clamping claws 11 to approach each other.
Preferably, the space between the pair of second engaging claws 21 of the bayonet 2 is configured as a second accommodating space 22, the first accommodating space 12 and the second accommodating space 22 are both transversely arranged in a penetrating manner, and after the pair of second engaging claws 21 extend into the first accommodating space 12, the penetrating directions of the first accommodating space 12 and the second accommodating space 22 are perpendicular to each other.
Preferably, the first engaging claws 11 have cores 13 protruding toward the first accommodating space 12, and the first engaging claws 11 restrict the second engaging claws 21 from approaching each other by the cores 13.
Preferably, the core body 13 comprises a core head 13a and a core column 13b which are connected with each other, and the width of the core head 13a is larger than that of the core column 13 b; the second receiving space 22 between the pair of second engaging claws 21 can receive the stem 13b, and each of the pair of second engaging claws 21 has a first groove portion 23 facing the second receiving space 22 and adapted to the core print 13 a.
Preferably, the core print 13a is a cylindrical structure, and the first groove portion 23 has an arc-shaped sidewall corresponding to the shape of the core print 13 a.
Preferably, the bayonet 2 comprises a pin cap 24 and a pair of second clamping claws 21 which are connected with the bottom surface of the pin cap 24 and are arranged at intervals; each second engagement claw 21 includes an elastic portion 211 connected to the bottom surface of the pin cap 24 and a clamping portion 212 located at the end of the second engagement claw 21, one end of the elastic portion 211 of the pair of second engagement claws 21 is connected to each other, the other end of the elastic portion 211 is spaced to form a space for accommodating the stem 13b, the clamping portions 212 of the pair of second engagement claws 21 are spaced to each other, and the side walls opposite to the clamping portions 212 are provided with arc-shaped first groove portions 23.
Preferably, avoidance grooves 213 are provided on both sides of the elastic portion 211 of the second engaging claw 21; the clamping portion 212 is provided with a second claw hook 214 protruding in a direction away from the second accommodating space 22, and a second guide inclined surface 215 inclined downward is provided on an outer side of the second claw hook 214.
Preferably, each pair of the first engaging claws 11 has a first claw hook 111 protruding toward a direction away from the first accommodating space 12 at an end thereof, and the first engaging claw 11 engages the latch body with the circuit breaker housing 3 through the first claw hook 111.
Preferably, the first engaging claw 11 is a semi-cylindrical structure, one side of the plane of the first engaging claw faces the first accommodating space 12 and is provided with a convex core 13, the outer side of the arc of the first engaging claw is provided with a convex first claw hook 111, the first claw hook 111 is a transverse right triangular prism structure, and two longitudinal sides of the first claw hook 111 are provided with guide inclined planes 111 a.
A protective cover of a circuit breaker comprises a cover body 1, wherein the cover body 1 comprises a cover body cover plate 151 and two cover body side plates 153 which are respectively and vertically connected with the end parts of the two sides of the cover body cover plate 151, one end of the cover body cover plate 151 is provided with a connecting part 151a which is used for being connected with a circuit breaker shell 3 in a protruding mode, the connecting part 151a is provided with a buckle structure of the circuit breaker, and the buckle body of the buckle structure and the connecting part 151a are integrally formed; the connecting portion 151a has a first communication hole 14, and the first engaging claw 11 is located at a bottom side of the connecting portion 151a and is disposed corresponding to the first communication hole 14.
Preferably, a plurality of cover partition plates 152 are arranged between two cover side plates 153 of the cover 1; the side of cover body baffle 152 is equipped with the spacing protruding 154 with the spacing complex of the shell of circuit breaker be equipped with a plurality of first through-holes 14 on connecting portion 151a, a plurality of first through-holes 14 are located respectively between the adjacent cover body baffle 152, are equipped with the first block claw 11 of a plurality of pairs that correspond the setting with a plurality of first through-holes 14 respectively in the bottom side of connecting portion.
The utility model provides a pair of buckle structure of circuit breaker, including buckle body and bayonet lock, the buckle body is through first block claw and circuit breaker shell looks joint, and the second block claw of bayonet lock stretches into the cover internally, and the deformation of the first block claw of restriction for connection between the circuit breaker shell not only connects reliably but also convenient to detach.
Furthermore, the utility model discloses a buckle structure still is provided with the core that is used for with the second block claw looks block of bayonet lock on the first block claw of buckle body, has strengthened buckle structure's reliability greatly.
The utility model discloses a protection casing of circuit breaker has above-mentioned buckle structure, and the protection casing is firm reliable with being connected of the shell of circuit breaker, and the bending resistance deformability of protection casing is strong to through detachably bayonet lock, realize the used repeatedly of the cover body, solved current product guard shield and have can not demolish after the installation or the thermal deformation easily drops, the product maintenance of being not convenient for and the problem of spare part change have eliminated relevant quality hidden danger.
Drawings
Fig. 1 is a schematic perspective view illustrating a shield according to an embodiment of the present invention connected to a circuit breaker;
fig. 2 is a schematic perspective view of a protective cover of a circuit breaker according to an embodiment of the present invention;
fig. 3 is a side view of a protective cover of a circuit breaker according to an embodiment of the present invention;
fig. 4 is a buckle structure according to an embodiment of the present invention, showing a structure of the first engaging claw;
FIG. 5 is a schematic perspective view of a latch of an embodiment of the present invention;
FIG. 6 is a side view of a bayonet of an embodiment of the present invention;
FIG. 7 is a cross-sectional view of the cover engaged with the latch according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a circuit breaker housing according to an embodiment of the present invention.
Detailed Description
The following describes a protective cover of a circuit breaker housing according to an embodiment of the present invention with reference to fig. 1 to 8. The protective cover of the present invention is not limited to the description of the following embodiments.
A buckle structure of a circuit breaker comprises a buckle body and a bayonet 2 which are detachably connected with each other, wherein the buckle body is provided with at least one pair of first clamping claws 11 which are arranged at intervals, the interval between each pair of the first clamping claws 11 is constructed into a first accommodating space 12, and each pair of the first clamping claws 11 can approach each other in an elastic deformation way; the buckle body is clamped with the shell 3 of the circuit breaker through the first clamping claw 11; the buckle body is provided with a first communicating hole 14 communicated with the first accommodating space 12, the bayonet pin 2 comprises a pair of second clamping claws 21 arranged at intervals, and the pair of second clamping claws 21 extend into the first accommodating space 12 through the first communicating hole 14 to limit the corresponding pair of first clamping claws 11 to approach each other.
The utility model provides a pair of buckle structure of circuit breaker, including buckle body and bayonet lock, the buckle body is through first block claw and circuit breaker shell looks joint, and the second block claw of bayonet lock stretches into the cover internally, and the deformation of spacing first block claw for connection between the circuit breaker shell not only connects reliably but also convenient to detach.
For example, a protective cover for a circuit breaker is snapped into the housing 3 of the circuit breaker. Referring to fig. 1, the utility model provides a pair of protection casing of circuit breaker for with the shell 3 joint of circuit breaker, for example be used for covering the binding post at circuit breaker both ends, provide safety protection.
Referring to fig. 1-3 and 7, the protective cover of the circuit breaker of the present invention, the cover body 1 includes a cover body cover plate 151 and two cover body side plates 153 vertically connected to both side ends of the cover body cover plate 151, respectively, one end of the cover body cover plate 151 is protrudingly provided with a connecting portion 151a for connecting with the circuit breaker housing 3, the connecting portion 151a has the buckle structure of the present invention; the buckle structure comprises a buckle body and a clamping pin 2 which are detachably connected with each other, and the buckle body and the cover body 1 are integrally formed. The buckle body is provided with at least one pair of first clamping claws 11 arranged at intervals, the interval between each pair of first clamping claws 11 is constructed into a first accommodating space 12, each pair of first clamping claws 11 can approach each other in an elastic deformation manner, and the buckle body is clamped with the shell 3 of the circuit breaker through the first clamping claws 11; the fastening body, that is, the connecting portion 151a of the cover body 1, has a first through hole 14 communicated with the first accommodating space 12, the bayonet 2 includes a pair of second engaging claws 21 arranged at intervals, and the second engaging claws 21 extend into the first accommodating space 12 through the first through hole 14 to limit the corresponding pair of first engaging claws 11 to approach each other.
The utility model provides a protective cover of circuit breaker, which is provided with the buckle structure of the utility model, and comprises a cover body 1, wherein the cover body 1 is integrated with the buckle body of the buckle structure, the cover body 1 is clamped with the shell of the circuit breaker through a first clamping claw 11, a clamping pin 2 extends into the cover body 1, and the deformation of the first clamping claw 11 is limited; the protection casing is firm reliable with being connected of the shell of circuit breaker, and buckle structure's anti bending deformation ability is strong to through detachably bayonet lock 2, realize the used repeatedly of the cover body 1, solved current product guard shield and have can not demolish after the installation or the thermal deformation easily drops, the product maintenance of being not convenient for and the problem of spare part change have eliminated relevant quality hidden danger.
Preferably, as shown in fig. 5 and 6, in a preferred embodiment of the second engaging claw 21, an interval between the pair of second engaging claws 21 is referred to as a second accommodating space 22, the first accommodating space 12 and the second accommodating space 22 are both transversely arranged in a penetrating manner, after the pair of second engaging claws 21 extend into the first accommodating space 12, penetrating directions of the first accommodating space 12 and the second accommodating space 22 are perpendicular to each other, that is, mutually communicated openings are respectively formed at two transverse sides of the first accommodating space 12 and the second accommodating space 22, a direction of elastic deformation of the first engaging claw 11 is perpendicular to a direction of elastic deformation of the second engaging claw 21, and deformation of the first engaging claw 11 is limited by the second engaging claw 21.
Preferably, as shown in fig. 4, a core 13 protruding toward the first accommodating space 12 is disposed on an inner side surface of the first engaging claw 11, the first engaging claw 11 limits the second engaging claw 21 from approaching each other through the core 13, and a core for engaging with the second engaging claw of the latch is further disposed on the first engaging claw of the cover, so that reliability of the shield is greatly enhanced. When the second engaging claw 21 extends into the first accommodating space 12, one side inner wall thereof contacts with the core body 13 and is extruded by the core body 13, and at this time, the second engaging claw 21 is bent and deformed to increase the distance therebetween; after the second clamping claw 21 is in place, the deformation is recovered and the first clamping claw 11 is clamped with the core body 13, so that the first clamping claw 11 is prevented from being separated from the mutual clamping with the shell of the circuit breaker under the action of external force. The second clamping claw 21 fully utilizes the first accommodating space 12, and simultaneously ensures the strength of the second clamping claw 21, so that the second clamping claw can be repeatedly used, the size of the first clamping claw 11 can be further reduced, and the space utilization of the buckle body is optimized.
Specifically, as shown in the preferred embodiment of fig. 1-2, the protective cover is adapted to be coupled to both ends of the housing 3 of the circuit breaker and to cover the terminals at both ends of the circuit breaker. The cover 1 includes a cover 151 and two cover side plates 153 vertically connected to both side ends of the cover 151, a plurality of cover body partition plates 152 are arranged between the two cover body side plates 153, one end of the cover body cover plate 151 is protrusively provided with a connecting part 151a connected with the top of the shell of the circuit breaker, the connecting part 151a is provided with the buckle structure of the utility model, a plurality of first communication holes 14 are formed on the connection portion, the plurality of first communication holes 14 are respectively located between the adjacent cover partitions 152, a plurality of pairs of first clamping claws 11 which are respectively arranged corresponding to the plurality of first through holes 14 are arranged at the bottom side of the connecting part, each pair of first clamping claws 11 is positioned at two sides of the first through hole 14, the interval between each pair of first clamping claws 11 is constructed into a first accommodating space 12, and the clamping pin 2 extends into the first accommodating space 12 through the first through hole 14 and is clamped with the cover body 1.
The cover body 1 adopts the mode that the jack catch tenon mutually supported with the joint of circuit breaker, has in the circuit breaker with first block claw 11 matched with tenon structure, is moving to the in-process of this structure, first block claw 11 receives extrusion elastic deformation ground to be close each other, first block claw 11 resumes deformation and receives the limiting displacement of tenon structure when reacing relevant position. For example, as shown in fig. 8, a second communication hole 31 is provided in the case 3 of the circuit breaker, and the second communication hole 31 has a cylindrical through hole structure, and correspondingly, the first engaging claws 11 have a semi-cylindrical structure with spaced intervals, and the flat sides thereof are opposite to each other, forming inner side surfaces, and the flat sides thereof face the first accommodating space 12 and are provided with the protruding cores 13; a pair of convex first claw hooks 111 are arranged on the arc-shaped outer side surface of the first clamping claw 11, a pair of third groove portions 32 for respectively accommodating the first claw hooks 111 are arranged on the inner side wall of the second communication hole 31, the third groove portion 32 on each side extends upwards from the bottom of the second communication hole 31, the top of the third groove portion 32 and the top of the second communication hole 31 are staggered, and the formed end surface is a clamping tenon structure for limiting the first clamping claw 11; when the first engaging claw 11 extends into the second communicating hole 31, the first engaging claw 11 is squeezed by the inner wall thereof to generate mutually approaching bending deformation, and when the first engaging claw 11 continues to extend to enable the first claw hook 111 to enter the third groove portion 32, the first engaging claw 11 recovers deformation, so that the cover body 1 and the circuit breaker are mutually clamped.
Further preferably, a longitudinal clamping groove 33 is formed in a terminal partition plate of the split terminal of the housing 3 of the circuit breaker, a limiting protrusion matched with the clamping groove 33 in a limiting manner is arranged on a side edge of the housing partition plate 152 of the housing 1, when the housing 1 and the housing 3 of the circuit breaker are assembled, the limiting protrusion of the housing partition plate 152 of the housing 1 is inserted into the clamping groove 33 in a limiting manner, and the first clamping claw 11 of the housing 1 is inserted into the second communication hole 31 to be clamped and fixed.
Specifically, in the preferred embodiment of the first engaging claw 11 shown in fig. 4, the inner side wall (the side wall facing the first accommodating space 11) of the first engaging claw 11 is provided with a convex core body 13, the core body 13 comprises a core head 13a and a core column 13b which are connected with each other, the core head 13a is close to the free end of the first engaging claw 11, and the width of the core head 13a is larger than that of the core column 13 b; correspondingly, the second accommodating space 22 between the pair of second engaging claws 21 can accommodate the stem 13b, and the pair of second engaging claws 21 each have a first groove portion 23 facing the second accommodating space 22 and adapted to the core print 13 a. When the second engaging claw 21 extends into the first accommodating space 12, the bottom of the first groove portion 23 first contacts with the top of the core print 13a, and the first groove portion 23 is pressed by the core print 13a under the continuous action of the external force to make the second engaging claw 21 deform away from (expand) each other; then, the first groove portion 23 moves along the sidewall of the core print 13a through the bottom thereof, and returns to deform when moving to the bottom of the core print 13a, and at this time, the core print 13a is clamped in the space of the first groove portion 23 and generates a limiting effect on the second clamping claw 21, so that the first clamping claw 11 and the second clamping claw 21 are clamped with each other.
In order to make the engaging process between the second engaging claw 21 and the core body 13 smoother, it is preferable that the core head 13a has a cylindrical structure, and the sidewall of the first groove portion 23 is an arc-shaped inner sidewall adapted to the cylindrical core head 13 a; the arcuate outer side wall of the cylindrical core print 13a serves as a guide for the second engagement claw 21 to facilitate insertion and extraction of the bayonet.
In a modified embodiment, as shown in fig. 4, the first claw hook 111 is a horizontal regular triangular prism structure, and has guiding inclined surfaces 111a at both longitudinal sides (along the length direction of the first engaging claw 11), and the guiding inclined surfaces 111a facilitate the mounting and dismounting of the buckle body and increase the service life of the buckle body.
As shown in fig. 5 and 6, in the preferred embodiment of the bayonet 2, the bayonet 2 further has a pin cap 24 connected to the second engaging claw 21 through a bottom surface, when the bayonet 2 is in the installation state, the second engaging claw 21 extends into the second accommodating space 22, and the pin cap 24 is located on the top of the buckle body; the pin cap 24 is used for providing a hand-held grip when inserting and pulling the bayonet 2, and in some specific embodiments, the pin cap 24 is of a frustum pyramid structure; in order to facilitate the finger grip of the pin cap 24, the second recessed portion 24a may be provided on a pair of side surfaces of the pin cap 24 facing each other, and may be configured like a buckle.
Specifically, the bayonet 2 comprises a pin cap 24 and a pair of second clamping claws 21 which are connected with the bottom surface of the pin cap 24 and are arranged at intervals; each second engagement claw 21 includes an elastic portion 211 connected to the bottom surface of the pin cap 24 and a clamping portion 212 located at the end of the second engagement claw 21, one end of the elastic portion 211 of the pair of second engagement claws 21 is connected to each other, the other end of the elastic portion 211 is spaced to form a space for accommodating the stem 13b, the clamping portions 212 of the pair of second engagement claws 21 are spaced to each other, and the side walls opposite to the clamping portions 212 are provided with arc-shaped first groove portions 23.
Preferably, avoidance grooves 213 are provided on both sides of the elastic portion 211 of the second engaging claw 21; the clamping portion 212 is provided with a second claw hook 214 protruding in a direction away from the second accommodating space 22, and a second guide inclined surface 215 inclined downward is provided on an outer side of the second claw hook 214.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (11)

1. A snap structure of a circuit breaker, characterized by comprising a snap body and a bayonet (2) which are detachably connected with each other, wherein the snap body is provided with at least one pair of first snap claws (11) which are arranged at intervals, the interval between each pair of the first snap claws (11) is configured into a first accommodating space (12), and each pair of the first snap claws (11) can approach each other in an elastic deformation manner; the buckle body is clamped with a shell (3) of the circuit breaker through the first clamping claw (11);
the buckle body is provided with a first communicating hole (14) communicated with the first accommodating space (12), the bayonet lock (2) comprises a pair of second clamping claws (21) which are arranged at intervals, and the pair of second clamping claws (21) extend into the first accommodating space (12) through the first communicating hole (14) to limit the corresponding pair of first clamping claws (11) to approach each other.
2. The snap structure of the circuit breaker according to claim 1, wherein the space between the pair of second snap claws (21) of the latch (2) is configured as a second accommodating space (22), the first accommodating space (12) and the second accommodating space (22) are both transversely arranged in a penetrating manner, and after the pair of second snap claws (21) extend into the first accommodating space (12), the penetrating directions of the first accommodating space (12) and the second accommodating space (22) are perpendicular to each other.
3. The snap structure of circuit breaker according to claim 2, characterized in that said first snap claw (11) has a core (13) protruding towards said first housing space (12), said first snap claw (11) limiting the mutual approach of said second snap claws (21) through said core (13).
4. The snap structure of a circuit breaker according to claim 3, wherein said core (13) comprises a core head (13a) and a stem (13b) connected to each other, the width of said core head (13a) being greater than the width of said stem (13 b); the second accommodating space (22) between the pair of second clamping claws (21) can accommodate the core column (13b), and the pair of second clamping claws (21) are respectively provided with a first groove part (23) which faces the second accommodating space (22) and is matched with the core print (13 a).
5. The snap structure of circuit breaker according to claim 4, wherein said core (13a) is a cylindrical structure, and said first groove portion (23) has an arc-shaped sidewall adapted to the shape of said core (13 a).
6. The snap structure of the circuit breaker according to claim 4, wherein the latch (2) comprises a latch cap (24) and a pair of spaced second snap claws (21) connected with the bottom surface of the latch cap (24); each second clamping claw (21) comprises an elastic part (211) connected with the bottom surface of the pin cap (24) and a clamping part (212) located at the end part of the second clamping claw (21), one end of each elastic part (211) of the pair of second clamping claws (21) is connected with each other, the other end of each elastic part (211) is arranged at intervals to form a space for accommodating the core column (13b), the clamping parts (212) of the pair of second clamping claws (21) are arranged at intervals, and arc-shaped first groove parts (23) are arranged on the side walls, opposite to the clamping parts (212).
7. The snap structure of a circuit breaker according to claim 6, wherein the elastic portion (211) of the second snap claw (21) is provided with an escape groove (213) at both sides thereof; the clamping portion (212) is provided with a second claw hook (214) in a protruding mode in the direction away from the second accommodating space (22), and a second guide inclined surface (215) which inclines downwards is arranged on the outer side of the second claw hook (214).
8. The circuit breaker snap structure according to claim 1, wherein each pair of first snap claws (11) has a first claw hook (111) protruding toward a direction away from the first receiving space (12), and the first snap claws (11) snap the snap body with the circuit breaker housing (3) through the first claw hook (111).
9. The circuit breaker snap structure according to claim 3, wherein the first engaging claw (11) is a semi-cylinder structure, the plane side of the first engaging claw faces the first accommodating space (12) and is provided with a raised core (13), the arc-shaped outer side surface of the first engaging claw is provided with a raised first claw hook (111), the first claw hook (111) is a transverse right triangular prism structure, and the first claw hook (111) has guiding inclined surfaces (111a) at two longitudinal sides.
10. A protective cover of a circuit breaker, which comprises a cover body (1), and is characterized in that the cover body (1) comprises a cover body cover plate (151) and two cover body side plates (153) vertically connected with two side ends of the cover body cover plate (151) respectively, one end of the cover body cover plate (151) is protrudingly provided with a connecting part (151a) used for being connected with a shell (3) of the circuit breaker, the connecting part (151a) is provided with a buckle structure of the circuit breaker according to any one of claims 1 to 9, and the buckle body of the buckle structure is integrally formed with the connecting part (151 a); the connecting portion (151a) has a first communication hole (14), and the first engaging claw (11) is located at a bottom side of the connecting portion (151a) and is disposed corresponding to the first communication hole (14).
11. Protective hood according to claim 10, characterized in that a plurality of hood partitions (152) are provided between two hood side plates (153) of the hood (1); the side of cover body baffle (152) is equipped with spacing protruding (154) with the spacing complex of the shell of circuit breaker be equipped with a plurality of first through-holes (14) on connecting portion (151a), a plurality of first through-holes (14) are located respectively between adjacent cover body baffle (152), are equipped with respectively with a plurality of first through-holes (14) correspond a plurality of pairs of first block claw (11) that set up in the bottom side of connecting portion.
CN201920924957.3U 2019-06-19 2019-06-19 Buckle structure and protection casing of circuit breaker Active CN210607127U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920924957.3U CN210607127U (en) 2019-06-19 2019-06-19 Buckle structure and protection casing of circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920924957.3U CN210607127U (en) 2019-06-19 2019-06-19 Buckle structure and protection casing of circuit breaker

Publications (1)

Publication Number Publication Date
CN210607127U true CN210607127U (en) 2020-05-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920924957.3U Active CN210607127U (en) 2019-06-19 2019-06-19 Buckle structure and protection casing of circuit breaker

Country Status (1)

Country Link
CN (1) CN210607127U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd

Assignor: Zhejiang Chint Electrics Co.,Ltd.

Contract record no.: X2020330000078

Denomination of utility model: Clip structure and protective cover of circuit breaker

Granted publication date: 20200522

License type: Common License

Record date: 20201021