CN215183804U

CN215183804U - External handle mechanism for circuit breaker

Info

Publication number: CN215183804U
Application number: CN202121327198.6U
Authority: CN
Inventors: 孙江波; 王震
Original assignee: Tianjin Shangcheng Electric Technology Co ltd
Current assignee: Tianjin Shangcheng Electric Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-14
Anticipated expiration: 2031-06-16

Abstract

The utility model provides an outside handle mechanism for circuit breaker belongs to switching device technical field, and this outside handle mechanism for circuit breaker includes circuit breaker main part, handle protection component and backstop subassembly. Wherein, set up the handle hole in the circuit breaker main part, spout and mounting hole, handle assembly includes the handle body, protection casing and picture peg, the protrusion of handle body sets up in the handle hole, the protection casing can cover and establish the handle body, the picture peg activity sets up in the opening of protection casing, the backstop subassembly includes the elastic component, backstop piece and first fixture block, elastic component and first fixture block all set up on the backstop piece, the backstop piece is constructed, arrange in the mounting hole under the state of elastic component compression, the protrusion mounting hole under the elastic component natural state, the setting of this structure, make the handle of circuit breaker can obtain the protection, avoided because of handle malfunction, influence electric circuit's operation.

Description

External handle mechanism for circuit breaker

Technical Field

The utility model relates to a switching device technical field particularly, relates to an outside handle mechanism for circuit breaker.

Background

A 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.

In actual use, the handle of the circuit breaker is mostly exposed outside and cannot be effectively protected, so that the handle of the circuit breaker is easily mistakenly moved, and the operation of an electric circuit is influenced.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an outside handle mechanism for circuit breaker, the handle that aims at solving the circuit breaker exposes externally, problem of easy maloperation.

An embodiment of the utility model provides an outside handle mechanism for circuit breaker, including circuit breaker main part, handle protection component and backstop subassembly.

The circuit breaker comprises a breaker main body and is characterized in that a handle hole, a sliding groove and a mounting hole are formed in the breaker main body, an invaginated annular groove is formed in the side wall of the mounting hole, and a groove is formed between the annular groove and the upper surface of the breaker main body in a penetrating mode.

The handle protection assembly comprises a handle body, a protection cover and a plug board, the handle body is arranged in a handle hole in a protruding mode, one side of the protection cover is opened, the protection cover can cover the handle body, the bottoms of the two side faces of the protection cover are arranged in a sliding groove in a sliding mode, and the plug board is movably arranged at the opening.

The stop assembly comprises an elastic piece, a stop block and a first fixture block, the elastic piece and the first fixture block are arranged on the stop block, the elastic piece is arranged in the mounting hole, the first fixture block can penetrate through the groove and be arranged in the annular groove, the stop block is constructed to be arranged in the mounting hole in the compression state of the elastic piece, and the elastic piece protrudes out of the mounting hole in the natural state.

In this embodiment, set up the handle hole in the circuit breaker main part, spout and mounting hole, handle assembly includes the handle body, protection casing and picture peg, the handle body protrusion sets up in the handle hole, the protection casing can cover and establish the handle body, the picture peg activity sets up in the opening of protection casing, backstop subassembly includes the elastic component, backstop piece and first fixture block, elastic component and first fixture block all set up on the backstop piece, the backstop piece is constructed, arrange in the mounting hole under the state of elastic component compression, the protrusion mounting hole under the state that the elastic component is natural, the setting of this structure, make the handle of circuit breaker can obtain the protection, avoided because of handle malfunction, influence the operation of electric circuit.

The utility model discloses an in the embodiment, set up the slider on the picture peg, the spout is seted up to the opening side of protection casing, and the slider slides and sets up in the spout.

In this embodiment, set up the slider on the picture peg, the spout is seted up to the opening side of protection casing, and the slider slides and sets up in the spout, just enables the picture peg slip and inserts and establish the opening part at the protection casing, realizes that the activity of protection casing is sealed.

The utility model discloses an in the embodiment, the slider is two, and two slider correspondences set up in the both sides of picture peg, offer the spout on the opening both sides of protection casing.

In this embodiment, set up the slider to two, two sliders correspond and set up in the both sides of picture peg, set up the spout on the opening both sides of protection casing for the picture peg is balanced, stable in the installation on the protection casing side.

In an embodiment of the present invention, the upper end of the sliding groove is provided with a stopping portion.

In this embodiment, set up backstop portion with the upper end of spout, can prevent that the picture peg from taking out by the spout to with the protection casing separation, avoided the picture peg to lose because of placing at will.

The utility model discloses an in the embodiment, the one side of keeping away from the protection casing on the picture peg is provided with handheld portion.

In this embodiment, the side of the inserting plate far away from the protective cover is provided with the hand-held part, so that the inserting plate can be conveniently held by the hand when moving upwards and opening the opening of the protective cover.

The utility model discloses an in the embodiment, first spacing spout and the spacing spout of second have been seted up to the interior bottom surface of protection casing, the upper end of handle can slide respectively in first spacing spout and the spacing spout of second under the state of opening, closing.

In this embodiment, seted up first spacing spout and the spacing spout of second with the interior bottom surface of protection casing, the upper end of handle can slide respectively in first spacing spout and the spacing spout of second under the state of opening, closing, can make the protection casing when establishing the handle cover, play spacing fixed effect.

The utility model discloses an in the embodiment, be provided with the second fixture block on the backstop piece, the second fixture block sets up in the ring channel.

In this embodiment, be provided with the second fixture block on the backstop piece, the second fixture block sets up in the ring channel, can play the effect of backstop to the upward movement of backstop piece, when preventing that the elastic component from resuming elastic force, the installation piece breaks away from the mounting hole.

The utility model discloses an in the embodiment, the spacing groove is seted up to the upper end of ring channel, and the spacing groove is used for the card to establish the second fixture block.

In this embodiment, set up the spacing groove with the upper end of annular groove, the spacing groove is used for the card to establish the second fixture block, can make the installation piece when realizing the backstop effect, and the second fixture block card is located the spacing inslot.

The utility model discloses an in the embodiment, the upper end of backstop piece is provided with the hand pinch portion.

In the embodiment, the upper end of the stop block is provided with the hand-holding part, so that the hand operation is convenient when the stop block rotates.

The utility model discloses an in the implementation scheme, the antiskid line has been seted up on the hand pinch portion.

In this embodiment, the anti-slip threads are formed on the hand-holding portion, so that the friction force between the hand and the hand-holding portion can be increased, and the operation of the stop block is simpler.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an external handle mechanism for a circuit breaker according to an embodiment of the present invention;

fig. 2 is a partial schematic structural view of an external handle mechanism for a circuit breaker according to an embodiment of the present invention;

FIG. 3 is a schematic view of a stopper assembly protruding through a mounting hole;

FIG. 4 is a schematic view of a stop assembly positioned within a mounting hole.

Icon: 10-an external handle mechanism for a circuit breaker; 100-a circuit breaker body; 110-handle hole; 130-a first runner; 150-mounting holes; 151-annular groove; 1511-limiting groove; 170-slotting; 300-a handle guard assembly; 310-a handle body; 330-protective cover; 331-opening; 333-a second chute; 3331-a stop; 335-a first limit chute; 337-a second limiting chute; 350-inserting plates; 351-a slider; 353-hand-held part; 500-a stop assembly; 510-an elastic member; 530-a stop block; 531-a second fixture block; 533-hand grip; 5331-anti-skid pattern; 550-first fixture block.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides an external handle mechanism 10 for a circuit breaker, including a circuit breaker main body 100, a handle protection assembly 300, and a stopper assembly 500.

Referring to fig. 1 and 2, the breaker main body 100 is provided with a handle hole 110, a first sliding groove 130 and a mounting hole 150, wherein a side wall of the mounting hole 150 is provided with a recessed annular groove 151, and a slot 170 is formed between the annular groove 151 and an upper surface of the breaker main body 100.

Referring to fig. 2, the handle guard assembly 300 includes a handle body 310, a protective cover 330 and an insertion plate 350, the handle body 310 is installed in the handle hole 110 in a protruding manner, one side of the protective cover 330 is provided with an opening 331, the protective cover 330 can cover the handle body 310, the bottoms of two side surfaces of the protective cover 330 slide in the first sliding grooves 130, and the insertion plate 350 is movably installed at the opening 331, so that it can be understood that the insertion plate 350 can close the opening 331.

In a specific embodiment, referring to fig. 2 again, the inserting plate 350 is fixedly connected with a sliding block 351, a second sliding groove 333 is formed in a side edge of the opening 331 of the protecting cover 330, and the sliding block 351 slides in the second sliding groove 333, so that the inserting plate 350 can be slidably inserted into the opening 331 of the protecting cover 330, and the protecting cover 330 can be movably closed.

In this embodiment, a specific implementation manner is that two sliding blocks 351 are provided, the two sliding blocks 351 are correspondingly installed on two sides of the insertion plate 350, and the two sides of the opening 331 of the protection cover 330 are provided with second sliding grooves 333, so that the insertion plate 350 is installed on the sides of the protection cover 330 in a balanced and stable manner.

Referring to fig. 2, in another embodiment of the present invention, a stopping portion 3331 is fixedly connected to an upper end of the second sliding groove 333, so as to prevent the board 350 from being pulled out of the second sliding groove 333 and separated from the shield 330, thereby preventing the board 350 from being lost due to random placement.

In one embodiment, referring to fig. 2 again, a hand-held portion 353 is welded to the side of the insertion plate 350 away from the shield 330 to facilitate the upward movement of the insertion plate 350 and the grasping of the hand when the opening 331 of the shield 330 is opened.

Referring to fig. 1 and 3, the stopper assembly 500 includes an elastic member 510, a stopper 530, and a first latch 550, wherein the elastic member 510 and the first latch 550 are mounted on the stopper 530, the elastic member 510 can be disposed in the mounting hole 150, the first latch 550 can pass through the slot 170 and be disposed in the annular groove 151, and the stopper 530 is configured to be disposed in the mounting hole 150 in a state that the elastic member 510 is compressed, and to protrude out of the mounting hole 150 in a natural state of the elastic member 510.

That is, when the handle needs to be operated, the first latch 550 is pressed down on the stop block 530 corresponding to the slot 170, the first latch 550 is clamped in the annular groove 151, the stop block 530 is located in the mounting hole 150 at this time, and the inserting plate 350 is pulled up to open the opening 331 of the shield 330, so that the shield 330 can slide towards one side of the mounting hole 150 until the handle is exposed, and the handle can be operated. When the handle finishes the switch operation and needs to be protected, the protective cover 330 is pushed back in the original way, the protective cover is arranged above the handle, the inserting plate 350 is inserted, the stop block 530 is rotated, the first clamping block 550 is located at the position of the groove 170, after the hand is loosened, the stop block 530 can pop up upwards under the restoring force action of the elastic piece 510, the mounting hole 150 protrudes, the protective cover 330 is stopped, and particularly, the elastic piece 510 can be a spring.

In a specific embodiment, referring to fig. 2, the inner bottom surface of the protecting cover 330 is provided with a first limiting sliding groove 335 and a second limiting sliding groove 337, and the upper end of the handle can slide in the first limiting sliding groove 335 and the second limiting sliding groove 337 respectively in the open and closed states, so that the protecting cover 330 can cover the handle and play a role in limiting and fixing.

Referring to fig. 3, in a specific embodiment, a second latch 531 is welded to the stopping block 530, and the second latch 531 is disposed in the annular groove 151, so as to stop the upward movement of the stopping block 530, and prevent the mounting block from being separated from the mounting hole 150 when the elastic member 510 recovers the elastic force.

In this embodiment, referring to fig. 3 again, a limiting groove 1511 is formed at the upper end of the annular groove 151, and the limiting groove 1511 is used for clamping the second locking block 531, so that when the mounting block realizes the stopping function, the second locking block 531 is clamped in the limiting groove 1511.

Referring to fig. 4, in an embodiment, a hand-gripping portion 533 is installed at the upper end of the stopping block 530, and the connection manner may be integrally formed, so as to facilitate the operation of the hand when the stopping block 530 rotates. In this embodiment, a specific implementation manner is that the anti-slip pattern 5331 is formed on the handle portion 533, which can increase the friction force between the handle portion and the handle portion 533, and make the operation of the stopper 530 simpler.

The utility model provides an outside handle mechanism 10 for circuit breaker, concrete using-way is: when the circuit breaker needs to be opened or closed, the stop block 530 is pressed at the position of the first clamping block 550 corresponding to the open slot 170, the first clamping block 550 is clamped in the annular groove 151 in a rotating mode, the stop block 530 is located in the installation hole 150, the inserting plate 350 is pulled up, the opening 331 of the protective cover 330 is opened, the protective cover 330 is pushed to slide towards one side of the installation hole 150 until the handle is exposed, and the handle can be operated. Switch operation is accomplished at the handle, when needing to protect, pushes back protection casing 330 original way, and the cover is located the handle top, inserts picture peg 350 to rotatory backstop piece 530 makes first fixture block 550 be located slotted 170's position, loosens the hand after, backstop piece 530 can upwards pop out under the effect of the restoring force of elastic component 510, thereby protrusion mounting hole 150 carries out the backstop to protection casing 330, realizes the protection to the handle, has prevented the maloperation of handle.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An external handle mechanism for a circuit breaker, comprising

The circuit breaker comprises a circuit breaker main body, wherein a handle hole, a sliding groove and a mounting hole are formed in the circuit breaker main body, an inwards-recessed annular groove is formed in the side wall of the mounting hole, and a groove is formed between the annular groove and the upper surface of the circuit breaker main body in a penetrating manner;

the handle protection assembly comprises a handle body, a protection cover and an insertion plate, the handle body is arranged in the handle hole in a protruding mode, one surface of the protection cover is provided with an opening, the protection cover can cover the handle body, the bottoms of two side surfaces of the protection cover are arranged in the sliding grooves in a sliding mode, and the insertion plate is movably arranged in the opening;

the stop assembly comprises an elastic piece, a stop block and a first fixture block, wherein the elastic piece and the first fixture block are arranged on the stop block, the elastic piece is arranged in the mounting hole, the first fixture block can penetrate through the groove and is arranged in the annular groove, the stop block is constructed in a manner that the elastic piece is compressed and is arranged in the mounting hole, and the elastic piece naturally protrudes out of the mounting hole.

2. The external handle mechanism for a circuit breaker as claimed in claim 1, wherein the insert plate is provided with a slide block, the opening side of the shield is provided with a slide groove, and the slide block is slidably disposed in the slide groove.

3. The external handle mechanism for a circuit breaker as claimed in claim 2, wherein the number of the sliding blocks is two, the two sliding blocks are correspondingly disposed on two sides of the inserting plate, and sliding grooves are formed on two sides of the opening of the shield.

4. The external handle mechanism for a circuit breaker of claim 2 wherein an upper end of the chute is provided with a stop.

5. The external handle mechanism for a circuit breaker as claimed in claim 1, wherein a hand-held portion is provided on a side of the card remote from the shield.

6. The external handle mechanism for a circuit breaker according to claim 1, wherein the inner bottom surface of the shield is formed with a first limiting sliding groove and a second limiting sliding groove, and the upper end of the handle can slide in the first limiting sliding groove and the second limiting sliding groove respectively in an open state and a closed state.

7. The external handle mechanism for a circuit breaker of claim 1 wherein said stop is provided with a second detent, said second detent being disposed within said annular groove.

8. The external handle mechanism for a circuit breaker of claim 7 wherein the upper end of the annular groove is provided with a limiting groove, the limiting groove is used for clamping the second clamping block.

9. The external handle mechanism for a circuit breaker of claim 1 wherein an upper end of the stop block is provided with a hand grip.

10. The external handle mechanism for a circuit breaker of claim 9 wherein said handle portion is formed with anti-slip threads.