CN219066736U

CN219066736U - Switching-on and switching-off operating mechanism for circuit breaker and circuit breaker

Info

Publication number: CN219066736U
Application number: CN202223297303.3U
Authority: CN
Inventors: 余春梅; 林耀国; 王应波; 林新德; 卓江海; 张金泉
Original assignee: Xiamen Hongfa Electrical Safety and Controls Co Ltd
Current assignee: Xiamen Hongfa Electrical Safety and Controls Co Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-23
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a switching-on and switching-off operating mechanism for a circuit breaker and the circuit breaker, which comprise a main body, wherein a rotating piece is rotationally connected to the main body, a sliding piece is also arranged on the main body in a sliding way, a mechanical transmission structure for converting axial rotation movement of the rotating piece into linear movement of the sliding piece is arranged between the rotating piece and the sliding piece, and a handle driving part which is arranged corresponding to a switching-on and switching-off handle of the circuit breaker is arranged on the sliding piece, so that when the rotating piece drives the sliding piece to reciprocate relative to the main body, the switching-on and switching-off handle is controlled to act through the handle driving part of the sliding piece so as to realize switching-on and switching-off operation of the circuit breaker. According to the utility model, when the rotating member on the main body is rotated, the rotating member drives the sliding member to linearly slide by virtue of the mechanical transmission structure, and then the opening and closing handle is controlled to act by the handle driving part of the sliding member, so that the hand of an operator can be effectively prevented from directly contacting with the opening and closing handle of the circuit breaker, and the opening and closing operation safety of the circuit breaker is further improved.

Description

Switching-on and switching-off operating mechanism for circuit breaker and circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a switching-on and switching-off operating mechanism for a circuit breaker and the circuit breaker.

Background

As shown in fig. 6, a switch-on/off handle exposed out of a circuit breaker housing is usually provided in a circuit breaker in the prior art, when the switch-on/off of the circuit breaker is controlled, the switch-on/off handle is usually moved forward and backward, and although the switch-on/off handle is made of an insulating material, in the process of directly moving the switch-on/off handle by an operator to switch on/off the circuit breaker, certain potential safety hazards still exist in the switch-on/off operation, especially when the operator sweats a large amount of hands seriously in summer or in a hot environment, the electric shock potential hazards easily exist when the wet hand directly moves the switch-on/off handle.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a switching-on and switching-off operating mechanism for a circuit breaker, which mainly solves the technical problem that the rotating operating handle of the circuit breaker in the prior art is poor in operation safety.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a divide-shut brake operating device that circuit breaker was used, includes the main part, rotates in the main part to be connected with a rotation piece, and still slides in the main part and be provided with a slider, is provided with the mechanical transmission structure that is used for turning into the axial rotation motion of rotation piece into the linear motion of slider between rotation piece and the slider, and is provided with the handle drive division that corresponds the divide-shut brake handle of circuit breaker and set up on the slider, makes when driving the reciprocal sliding motion of slider relative main part by rotation piece, controls the action of divide-shut brake handle in order to realize the divide-shut brake operation of circuit breaker through the handle drive division of slider.

Further, the main body is of a shell structure and is connected to one side of the breaker, on which the opening and closing handle is arranged.

Further, the mechanical transmission structure comprises a gear connected to the rotating member and a plurality of tooth holes which are equidistantly arranged on the sliding member at intervals and can be meshed with the gear, and the rotating movement of the rotating member relative to the main body can be converted into linear reciprocating sliding movement of the sliding member relative to the main body through the meshing cooperation of the gear and the corresponding tooth holes.

Further, a sliding limiting structure for limiting the linear sliding movement stroke of the sliding piece relative to the main body is arranged between the main body and the sliding piece.

Further, a limiting long groove is formed in the main body, and a limiting protrusion embedded in the limiting long groove is arranged on the sliding piece, so that a sliding limiting structure formed by matching of the limiting protrusion and the limiting long groove limits the reciprocating sliding movement stroke of the sliding piece relative to the main body.

Further, a rotating handle is connected to the rotating member.

Further, the handle driving part is of a caulking groove structure, the reciprocating sliding movement direction of the sliding part on the main body corresponds to the opening and closing operation direction of the opening and closing handle of the circuit breaker, and the head of the opening and closing handle is adaptively embedded into the handle driving part of the sliding part, so that the sliding part which moves in a reciprocating manner controls the opening and closing handle of the circuit breaker to act so as to realize opening and closing operation of the circuit breaker.

Further, two driving rollers corresponding to the front side and the rear side of the opening and closing handle are arranged in the handle driving part of the caulking groove structure, and the head of the opening and closing handle is adaptively embedded into an embedding space between the two driving rollers.

Based on the same conception, the utility model also provides a circuit breaker, which comprises the opening and closing operating mechanism for the circuit breaker.

The technical scheme has the following advantages or beneficial effects:

in the opening and closing operation mechanism for the circuit breaker, the opening and closing operation mechanism comprises a main body used for being connected with the circuit breaker, a rotating piece which is rotationally arranged and a sliding piece which is slidingly arranged are arranged on the main body, the rotating piece and the sliding piece are linked through a mechanical transmission structure, and the axial rotation movement of the rotating piece relative to the main body can be converted into the linear movement of the sliding piece relative to the main body through the linkage of the mechanical transmission structure, and the sliding piece is provided with a handle driving part which is correspondingly arranged with an opening and closing handle of the circuit breaker.

Drawings

Fig. 1 is a schematic diagram of an assembly structure of a circuit breaker and a switching operation mechanism according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of an opening and closing operation mechanism according to an embodiment of the present utility model.

Fig. 3 is a schematic partial structure of an opening and closing operation mechanism according to an embodiment of the present utility model.

Fig. 4 is an exploded view of a circuit breaker and a switching operation mechanism according to an embodiment of the present utility model.

Fig. 5 is an exploded perspective view of an opening and closing operation mechanism according to an embodiment of the present utility model.

Fig. 6 is a schematic structural view of a related art circuit breaker.

Description of the reference numerals:

1. the switching-on/switching-off device comprises a main body, 2, a rotating part, 3, a sliding part, 4, a circuit breaker, 11, a limiting long groove, 21, gears, 22, a rotating handle, 31, a handle driving part, 32, a tooth hole, 33, a limiting protrusion, 34, a driving roller, 41 and a switching-on/switching-off handle.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a switching-on/off operation mechanism for a circuit breaker, including a main body 1, wherein a rotating member 2 is rotatably connected to the main body 1, a sliding member 3 is slidably disposed on the main body 1, a mechanical transmission structure for converting an axial rotation motion of the rotating member 2 into a linear motion of the sliding member 3 is disposed between the rotating member 2 and the sliding member 3, and a handle driving portion 31 disposed corresponding to a switching-on/off handle 41 of the circuit breaker 4 is disposed on the sliding member 3, so that when the sliding member 3 is driven by the rotating member 2 to reciprocate relative to the main body 1, the switching-on/off handle 41 is controlled by the handle driving portion 31 of the sliding member 3 to implement the switching-on/off operation of the circuit breaker 4. It can be understood that in this embodiment, this divide-shut brake operating mechanism for circuit breaker has included the main part 1 that is used for being connected with circuit breaker 4, and set up the rotation piece 2 that rotates the setting and the slider 3 that slides the setting on main part 1, and link through mechanical transmission structure between rotation piece 2 and the slider 3, and make the axial rotation motion of rotation piece 2 relative to main part 1 can change into the rectilinear motion of slider 3 relative to main part 1 through mechanical transmission structure's linkage, and be provided with the handle drive portion 31 that corresponds the divide-shut brake handle 41 of circuit breaker 4 on the slider 3, so, when rotating the rotation piece 2 on main part 1, rotation piece 2 drives slider 3 rectilinear slide motion with the help of mechanical transmission structure, and then handle drive portion 31 control the divide-shut brake handle 41 action through slider 3, and the purpose that can also reach laborsaving operation through the rotation of rotation piece 2, consequently, make the divide-shut brake operation of circuit breaker 4 can be realized easily laborsaving through the rotation motion of rotation piece 2 of this divide-shut brake operating mechanism, and because rotation piece 2 is the setting up on main part 1 and directly set up on the circuit breaker 4 and can not directly carry out the rotation piece 4 and the circuit breaker 4 and the manual operation is carried out the manual operation by the rotation piece 4 and can be directly to the controller 4, and the circuit breaker 4 has been directly carried out the improvement, and the circuit breaker is carried out the manual operation is directly, and the control is easy to be had the side to be had the operation and the operation is easy to be had, and the device is easy to the device to be contacted by the operation.

Referring to fig. 1 and 4, in a preferred embodiment, a main body 1 is a housing structure and is connected to a side of a circuit breaker 4 provided with a switching handle 41, and preferably, a rotating member 2 is a rotating shaft structure, preferably, a square shaft.

Referring to fig. 2 and 3, in a preferred embodiment, the mechanical transmission structure includes a gear 21 connected to the rotating member 2 and a plurality of toothed holes 32 equidistantly spaced on the sliding member 3 and capable of meshing with the gear 21, and the meshing engagement of the gear 21 with the corresponding toothed holes 32 enables the rotating movement of the rotating member 2 relative to the main body 1 to be converted into a linear reciprocating sliding movement of the sliding member 3 relative to the main body 1. However, it will be understood by those skilled in the art that in other embodiments, a rack structure engaged with the gear 21 may be provided on the slider 3, and the mechanical transmission structure formed by the engaged engagement of the gear 21 and the rack may be capable of converting the rotational motion of the rotor 2 into the linear reciprocating sliding motion of the slider 3. In addition, the mechanical transmission structure is not limited to the rack-and-pinion engagement type transmission structure disclosed in the present embodiment, and in other embodiments, the mechanical transmission structure may be designed with reference to a related screw engagement structure of a linear sliding table in the prior art, which converts a rotational motion of a rotating member into a linear motion of a sliding member.

Referring to fig. 2, in a preferred embodiment, a sliding limiting structure for limiting a linear sliding motion travel of the sliding member 3 relative to the main body 1 is disposed between the main body 1 and the sliding member 3. Preferably, the main body 1 is provided with a limiting long groove 11, and the sliding piece 3 is provided with a limiting protrusion 33 embedded in the limiting long groove 11, so that a sliding limiting structure formed by matching the limiting protrusion 33 and the limiting long groove 11 limits the reciprocating sliding movement stroke of the sliding piece 3 relative to the main body 1. However, it should be understood by those skilled in the art that, in other embodiments, the positions of the positioning slot and the positioning protrusion may be exchanged between the main body 1 and the sliding member 3, so long as the positioning slot and the positioning protrusion can form a positioning fit to position the sliding member 3 in a linear reciprocating sliding manner relative to the main body 1, and the present utility model is not limited to the specific embodiment disclosed in the present embodiment.

Referring to fig. 1, in a preferred embodiment, a rotating handle 22 is connected to the rotating member 2 to facilitate rotation of the rotating member 2.

Referring to fig. 1 to 5, in a preferred embodiment, the handle driving portion 31 is in a caulking groove structure, the reciprocating sliding motion direction of the sliding member 3 on the main body 1 corresponds to the opening and closing operation direction of the opening and closing handle 41 of the circuit breaker 4, and the head of the opening and closing handle 41 is adaptively embedded in the handle driving portion 31 of the sliding member 3, so that the sliding member 3 in the reciprocating sliding motion controls the opening and closing handle 41 of the circuit breaker 4 to operate so as to realize the opening and closing operation of the circuit breaker 4. In one preferred embodiment, two driving rollers 34 corresponding to the front and rear sides of the opening and closing handle 41 are preferably disposed in the handle driving portion 31 of the caulking groove structure, and the head of the opening and closing handle 41 is adaptively inserted into the insertion space between the two driving rollers 34. It can be appreciated that in this embodiment, two driving rollers 34, which respectively correspond to the front side and the rear side of the opening and closing handle 41 and can rotate freely, are disposed in the handle driving portion 31 of the caulking groove structure, so that the smoothness of the matching between the sliding member 3 and the opening and closing handle 41 can be effectively improved, and the problem of scraping and blocking cannot occur in the process of the matching movement of the handle driving portion 31 of the sliding member 3 and the opening and closing handle 41.

Referring to fig. 1 to 5, an embodiment of the present utility model further provides a circuit breaker, including the opening and closing operation mechanism for the circuit breaker according to any one of the above embodiments.

The embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and therefore all other embodiments obtained by those skilled in the art without making creative efforts are intended to fall within the protection scope of the present utility model.

Claims

1. An opening and closing operating mechanism for a circuit breaker is characterized in that: including main part (1), rotate on main part (1) and be connected with a rotating member (2), and still slide on main part (1) and be provided with a slider (3), be provided with between rotating member (2) and slider (3) and be used for turning into the mechanical transmission structure of the rectilinear motion of slider (3) with the axial rotation motion of rotating member (2), and be provided with on slider (3) with opening and closing handle (41) of circuit breaker (4) correspond handle drive portion (31) that set up, make when driving slider (3) reciprocal sliding motion relative main part (1) by rotating member (2), through handle drive portion (31) control opening and closing handle (41) action of slider (3) in order to realize the opening and closing operation of circuit breaker (4).

2. The opening and closing operation mechanism for a circuit breaker according to claim 1, wherein: the main body (1) is of a shell structure and is connected to one side of the breaker (4) provided with a switching-on/off handle (41).

3. The opening and closing operation mechanism for a circuit breaker according to claim 1, wherein: the mechanical transmission structure comprises a gear (21) connected to the rotating member (2) and a plurality of tooth holes (32) which are equidistantly arranged on the sliding member (3) and can be meshed and matched with the gear (21), and the rotating member (2) can be converted into linear reciprocating sliding motion of the sliding member (3) relative to the main body (1) through the meshing and matching of the gear (21) and the corresponding tooth holes (32).

4. The opening and closing operation mechanism for a circuit breaker according to claim 1, wherein: a sliding limiting structure for limiting the linear sliding movement travel of the sliding piece (3) relative to the main body (1) is arranged between the main body (1) and the sliding piece (3).

5. The opening and closing operation mechanism for a circuit breaker according to claim 4, wherein: a limiting long groove (11) is formed in the main body (1), and a limiting protrusion (33) embedded in the limiting long groove (11) is arranged on the sliding piece (3), so that a sliding limiting structure formed by matching of the limiting protrusion (33) and the limiting long groove (11) limits the reciprocating sliding movement stroke of the sliding piece (3) relative to the main body (1).

6. The opening and closing operation mechanism for a circuit breaker according to claim 1, wherein: a rotary handle (22) is connected to the rotary member (2).

7. The opening and closing operating mechanism for a circuit breaker according to any one of claims 1 to 6, characterized in that: the handle driving part (31) is of a caulking groove structure, the reciprocating sliding movement direction of the sliding part (3) on the main body (1) corresponds to the opening and closing operation direction of the opening and closing handle (41) of the circuit breaker (4), and the head part of the opening and closing handle (41) is adaptively embedded into the handle driving part (31) of the sliding part (3) so that the sliding part (3) which reciprocates can control the opening and closing handle (41) of the circuit breaker (4) to act to realize the opening and closing operation of the circuit breaker (4).

8. The opening and closing operation mechanism for a circuit breaker according to claim 7, wherein: two driving rollers (34) corresponding to the front side and the rear side of the opening and closing handle (41) are arranged in the handle driving part (31) of the caulking groove structure, and the head part of the opening and closing handle (41) is adaptively embedded into an embedding space between the two driving rollers (34).

9. A circuit breaker, characterized in that: an opening and closing operating mechanism for a circuit breaker according to any one of claims 1 to 8.