CN211208313U

CN211208313U - Isolating switch

Info

Publication number: CN211208313U
Application number: CN202020347891.9U
Authority: CN
Inventors: 王凯龙; 曾谊; 连旭峰
Original assignee: Jubang Group Co ltd
Current assignee: Jubang Group Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-08-07
Anticipated expiration: 2030-03-18

Abstract

The utility model provides an isolating switch, which comprises a shell, a contact mechanism, a handle, a biasing member and a locking structure, wherein the contact mechanism is provided with a contact support which is arranged on the shell in a reciprocating way, a moving contact structure driven by the contact support and a static contact structure which is in contact connection with or disconnected from the moving contact structure; the handle is rotatably arranged on the shell and connected with the contact support, the handle drives the contact support to move towards a switching-off position or a switching-on position so as to realize switching-on and switching-off actions, and the biasing part is arranged between the contact support and the shell and provides biasing force for the contact support to move towards the handle direction; and the locking structure is used for locking the handle in a switching-on or switching-off state. Compare with the mode of prior art's handle needs through drive seat and the action of U-shaped connecting rod drive contact support, the utility model discloses in, but the handle direct drive contact support realizes the divide-shut brake action, and transmission part still less, and the structure is more simple, and the production maintenance cost is low.

Description

Isolating switch

Technical Field

The utility model relates to a low-voltage apparatus technical field, concretely relates to isolator.

Background

The small-sized isolating switch is suitable for a power distribution and control loop with the alternating current of 50Hz or 60Hz and the rated working voltage of 220/380V or below, is mainly used as a main switch of terminal electrical appliances, can also be used for controlling various heterogeneous motors, small-power electrical appliances, illumination and the like, and is widely applied to places such as industrial and mining enterprises, high-rise buildings, businesses, families and the like.

Chinese patent document CN207264966U in the prior art discloses an isolating switch, which includes a housing, an operating mechanism, and a contact system, wherein the operating mechanism includes a handle, a driving seat linked with the handle and used for driving a moving contact support, and an energy storage spring connected between the handle and the driving seat, the driving seat is provided with a linkage projection, the handle is provided with a shifting groove matched with the linkage projection, the linkage projection is clamped in the shifting groove and forms linkage matching of the handle and the driving seat, the driving seat and the moving contact support of the contact system are connected through a U-shaped link, one end of the U-shaped link is connected to the linkage projection, and the other end of the U-shaped link is connected to the upper end of the moving contact support.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the isolator transmission structure among the prior art complicacy, defect that the production maintenance cost is high to a simple structure, production maintenance cost low isolation switch are provided.

Therefore, the utility model provides an isolating switch, which comprises a shell, a contact mechanism, a handle, a biasing member and a locking structure, wherein the contact mechanism is provided with a contact support which is arranged on the shell in a reciprocating way, a movable contact structure which is driven by the contact support, and a static contact structure which is contacted with the movable contact structure and is communicated or disconnected; the handle is rotatably arranged on the shell and connected with the contact support, and the handle drives the contact support to move towards a switching-off position or a switching-on position so as to realize switching-on and switching-off actions; a biasing member disposed between the contact carrier and the housing for providing a biasing force to the contact carrier for movement in a direction toward the handle; the locking structure is used for locking the handle in a switching-on or switching-off state.

The locking structure is including locating the locating piece on contact carrier top, and locate on the handle outer wall can with locating piece adaptation connection's first constant head tank and second constant head tank, wherein, the tank bottom of first constant head tank with the distance in handle axle center is less than the second constant head tank with the distance in handle axle center.

The positioning block is V-shaped, and the first positioning groove and the second positioning groove are both V-shaped and matched with the V-shaped positioning block.

The moving contact structure comprises a moving contact plate and two moving contacts arranged at two ends of the moving contact plate respectively, the static contact structure comprises static contact plates arranged at two sides of the contact support respectively, one end of each static contact plate extends to the wiring terminal, and the other end of each static contact plate is provided with a static contact arranged opposite to the moving contact.

The movable contact plate is arranged between the contact support and the biasing member and is connected with the contact support through a limiting structure.

The limiting structure comprises limiting blocks arranged in the middle of the movable contact plate and located on two sides of the movable contact plate in the width direction, and limiting grooves arranged at the bottom of the contact support and matched with the limiting blocks.

The handle is rotatably arranged on the shell through a rotating shaft, and a first jack which is in adaptive insertion connection with the rotating shaft is arranged on the shell.

Be equipped with crisscross second jack in the pivot, the both ends of bolt correspond respectively and insert two isolator that set up side by side the second jack to realize two the linkage of handle.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an isolating switch, including casing, contact mechanism, handle, biasing piece and locking structure, the handle is rotationally installed on the casing, and links to each other with contact carrier, and handle drive contact carrier removes towards separating brake position or closing position to realize the divide-shut brake action, need compare through the mode that drives seat and U-shaped connecting rod drive contact carrier action with prior art's handle, the utility model discloses in, but the handle direct drive contact carrier realizes the divide-shut brake action, and transmission part still less, the structure is more simple, and the production and maintenance cost is low.

2. The utility model provides an isolating switch, the locking structure is including the locating piece of locating the contact carrier top, and locate on the handle outer wall can with locating piece adaptation connection's first constant head tank and second constant head tank, the tank bottom through setting up first constant head tank is less than the distance in second constant head tank and handle axle center with the distance in handle axle center, make the handle when rotating, can drive the contact carrier and reciprocate, thereby drive movable contact structure and static contact structure separating brake or combined floodgate, in addition, mutually supported locating piece and constant head tank, inject the position of handle at separating brake or combined floodgate, the gear advantage that has the gear branch.

3. The utility model provides an isolator, locating piece are the V-arrangement, first constant head tank and second constant head tank be with the V-arrangement of V-arrangement locating piece adaptation, the locating piece and the constant head tank of V-arrangement have the accurate advantage in location.

4. The utility model provides an isolator, limit structure are including locating movable contact board middle part, and be located the stopper of its width direction both sides to and locate movable contact headstock bottom, with the spacing groove of stopper adaptation, meeting complex stopper and spacing groove mutually make movable contact board and movable contact support be difficult for breaking away from in moving.

5. The utility model provides an isolator, handle rotationally install on the casing through the pivot, are equipped with the first jack of pegging graft with the pivot adaptation on the casing, are equipped with criss-cross second jack in the pivot, and the both ends of bolt correspond respectively and insert two isolator's that set up side by side second jack to realize the linkage of two handles, handle simple structure, the installation is swift, and it is convenient to connect between two isolator's that set up side by side the handle.

Drawings

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

Fig. 1 is a perspective view of the isolating switch of the present invention;

FIG. 2 is a front view of FIG. 1 with the handle removed;

FIG. 3 is a perspective view of the contact mechanism;

FIG. 4 is a schematic diagram of the exploded structure of FIG. 3;

FIG. 5 is a perspective view of the handle;

FIG. 6 is a schematic view of the assembled structure of the handle and the contact carrier;

FIG. 7 is a schematic diagram of the exploded structure of FIG. 6;

description of reference numerals: 1. a housing; 11. a first jack; 2. a contact holder; 21. positioning blocks; 22. a movable contact plate; 23. a moving contact; 24. a stationary contact plate; 25. a wiring terminal; 26. static contact; 27. a limiting block; 28. a limiting groove; 3. a handle; 31. a first positioning groove; 32. a second positioning groove; 33. a rotating shaft; 34. a second jack; 4. a biasing member.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides a disconnector, shown in fig. 1 and 2, comprising a housing 1, a contact mechanism, a handle 3, a biasing member 4 and a locking structure.

The shell 1 comprises two side plates which are buckled with each other, and the two side plates are correspondingly provided with first insertion holes 11.

As shown in fig. 3 and 4, the contact mechanism comprises a contact support 2 which is mounted on the housing 1 in a reciprocating manner, a movable contact structure driven by the contact support 2, and a static contact structure which is in contact connection with or disconnected from the movable contact structure; the moving contact structure comprises a moving contact plate 22 and two moving contacts 23 arranged at two ends of the moving contact plate 22, the static contact structure comprises static contact plates 24 arranged at two sides of the contact support 2, one end of each static contact plate 24 extends to a wiring terminal 25, and the other end of each static contact plate is provided with a static contact 26 arranged opposite to the moving contacts 23. The moving contact plate 22 is disposed between the contact holder 2 and the biasing member 4, and it is connected to the contact holder 2 by a stopper structure. The limiting structure comprises limiting blocks 27 arranged in the middle of the movable contact plate 22 and located on two sides of the movable contact plate in the width direction, and limiting grooves 28 arranged at the bottom of the contact support 2 and matched with the limiting blocks 27.

Handle 3, as shown in fig. 5, rotationally install in through pivot 33 on the casing 1, and with contact carrier 2 links to each other, the drive of handle 3 contact carrier 2 removes towards separating brake position or closing position to realize the divide-shut brake action, pivot 33 be suitable for with correspond first jack 11 adaptation is pegged graft, just be equipped with crisscross second jack 34 on the pivot 33, the both ends of bolt correspond respectively and insert two isolator that set up side by side second jack 34, in order to realize two the linkage of handle 3.

A biasing member 4, as shown in fig. 2, is provided between the contact carrier 2 and the housing 1, and provides the contact carrier 2 with a biasing force moving towards the handle 3, in this embodiment, the biasing member 4 is a compression spring.

And a locking structure, as shown in fig. 6 and 7, for locking the handle 3 in a closing or opening state. The locking structure is including locating the locating piece 21 on 2 tops of contact carrier, and locate on the 3 outer walls of handle can with locating piece 21 adaptation connection's first constant head tank 31 and second constant head tank 32, wherein, the tank bottom of first constant head tank 31 with the distance in 3 axles of handle is less than second constant head tank 32 with the distance in 3 axles of handle. The positioning block 21 is V-shaped, and the first positioning groove 31 and the second positioning groove 32 are both V-shaped and adapted to the V-shaped positioning block 21.

In an alternative embodiment, the positioning block 21 has an arc shape, and the first positioning groove 31 and the second positioning groove 32 have an arc shape adapted to the arc-shaped positioning block 21.

As a replaceable embodiment, a positioning groove is formed at the top end of the contact support 2, and a first positioning block and a second positioning block which are connected with the positioning groove in an adaptive manner are arranged on the outer wall of the handle 3.

As an alternative embodiment, the contact carrier 2 and the movable contact plate 22 are integrally formed.

The utility model discloses an isolator's theory of operation as follows:

fig. 1 shows that the disconnecting switch is in a closing state, when the disconnecting switch is to be opened, the handle 3 rotates clockwise, the V-shaped first positioning groove 31 at the bottom of the handle cooperates with the positioning block 21 of the contact support 2 to drive the contact support 2 to move downward, so as to drive the moving contact 23 to be separated from the static contact 26, and when the positioning block 21 of the contact support 2 abuts against the second positioning groove 32 of the handle 3, the disconnecting switch is in an opening state.

The utility model provides an isolating switch, including casing 1, contact mechanism, handle 3, biasing member 4 and locking structure, handle 3 rotationally installs on casing 1, and links to each other with contact carrier 2, and handle drive contact carrier 2 removes towards separating brake position or closing position to realize the divide-shut brake action, need compare through the mode that drives seat and U-shaped connecting rod drive contact carrier action with prior art's handle, the utility model discloses in, handle 3 can directly drive contact carrier 2 and realize the divide-shut brake action, and transmission part still less, the structure is more simple, and the production and maintenance cost is low.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A disconnector, comprising:

a housing (1);

the contact mechanism is provided with a contact support (2) which is arranged on the shell (1) in a reciprocating way, a movable contact structure driven by the contact support (2), and a static contact structure which is in contact connection with or disconnected from the movable contact structure;

the handle (3) is rotatably arranged on the shell (1) and is connected with the contact support (2), and the handle (3) drives the contact support (2) to move towards a switching-off position or a switching-on position so as to realize switching-on and switching-off actions;

a biasing member (4) disposed between the contact holder (2) and the housing (1) for providing the contact holder (2) with a biasing force moving in a direction toward the handle (3);

and the locking structure is used for locking the handle (3) in a switching-on or switching-off state.

2. The disconnecting switch according to claim 1, wherein the locking structure comprises a positioning block (21) disposed at the top end of the contact holder (2), and a first positioning groove (31) and a second positioning groove (32) disposed on the outer wall of the handle (3) and adapted to the positioning block (21), wherein a distance between the bottom of the first positioning groove (31) and the axis of the handle (3) is smaller than a distance between the second positioning groove (32) and the axis of the handle (3).

3. The disconnector according to claim 2, characterized in that the positioning block (21) is V-shaped, and the first positioning groove (31) and the second positioning groove (32) are both V-shaped to fit the V-shaped positioning block (21).

4. A disconnector according to any one of claims 1-3, characterized in that the moving contact arrangement comprises a moving contact plate (22) and two moving contacts (23) arranged at opposite ends of the moving contact plate (22), and the stationary contact arrangement comprises stationary contact plates (24) arranged at opposite sides of the contact carrier (2), one end of the stationary contact plate (24) extending to a connection terminal (25) and the other end being provided with a stationary contact (26) arranged opposite to the moving contact (23).

5. A disconnector according to claim 4, characterized in that the movable contact plate (22) is arranged between the contact carrier (2) and the biasing member (4) and it is connected to the contact carrier (2) by a retaining structure.

6. The isolating switch according to claim 5, characterized in that the limiting structure comprises limiting blocks (27) arranged in the middle of the movable contact board (22) and positioned at two sides in the width direction of the movable contact board, and limiting grooves (28) arranged at the bottom of the contact support (2) and matched with the limiting blocks (27).

7. The isolating switch according to any one of claims 1, 2, 3, 5 and 6, wherein the handle (3) is rotatably mounted on the housing (1) through a rotating shaft (33), and the housing (1) is provided with a first insertion hole (11) which is in fit connection with the rotating shaft (33).

8. The isolating switch according to claim 7, characterized in that a second cross-shaped jack (34) is provided on the rotating shaft (33), and two ends of the plug pin are respectively inserted into the second jacks (34) of two isolating switches arranged side by side, so as to realize linkage of the two handles (3).