CN214588514U

CN214588514U - Isolating switch with switch indication function

Info

Publication number: CN214588514U
Application number: CN202120528159.6U
Authority: CN
Inventors: 林式财; 唐自由
Original assignee: Chimin Electric Co ltd
Current assignee: Chimin Electric Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-02
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses an isolator with switch instruction function, including casing and binding post, the casing internal rotation is provided with the handle, be equipped with the static contact in the casing, the casing internal slip is provided with contact carrier, be equipped with the moving contact along with contact carrier motion on the contact carrier, be equipped with the first linkage subassembly that drives contact carrier action between handle and the contact carrier, the handle has first state and second state at the pivoted in-process, be equipped with the switching setting element that makes the handle switch between first state and second state between the two between handle and the casing, the internal rotation is provided with the indicator, the casing outer wall is equipped with instruction window corresponding to the position of indicator, be equipped with the second linkage subassembly that drives the indicator action between contact carrier and the indicator. The utility model has the advantages of it is following and effect: spare part is few, simple structure to reduced manufacturing cost and cost of labor, had better market prospect, be fit for the future development of enterprise and have the switch instruction function.

Description

Isolating switch with switch indication function

Technical Field

The utility model relates to an electrical apparatus field, in particular to isolator with switch instruction function.

Background

The isolating switch is one of the most used high-voltage switch electric appliances, and plays an isolating role in a circuit as the name suggests. The isolation switch has simple working principle and structure, and is mainly suitable for low-voltage terminal power distribution systems of residences, buildings and the like in low-voltage equipment. The main function is to break and connect the line with load.

The existing isolating switch has an unreasonable design, so that the structure of the switch is too complex and parts are more, the production cost is greatly increased, the manual assembly process and the workload are increased, the market prospect of the existing isolating switch is poor, and the existing isolating switch is not suitable for future development of enterprises. And the existing isolating switch does not have a switch indication function, so that a layman is difficult to timely know the state of the isolating switch.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a isolator with switch instruction function, this isolator spare part is few, simple structure to reduced manufacturing cost and cost of labor, had better market prospect, be fit for the future development of enterprise and had the switch instruction function.

The above technical purpose of the present invention can be achieved by the following technical solutions: an isolating switch with switch indication function comprises a shell and a wiring terminal arranged in the shell, a handle is rotatably arranged in the shell, a static contact connected with the wiring terminal is arranged in the shell, a contact support is arranged in the shell in a sliding way, a moving contact which moves along with the contact support is arranged on the contact support, a first linkage component for driving the contact support to act is arranged between the handle and the contact support, the handle has a first state and a second state in the rotating process, a switching positioning piece which can switch the handle between a first state and a second state is arranged between the handle and the shell, an indicating piece is arranged in the shell in a rotating mode, an indicating window is arranged on the outer wall of the shell corresponding to the position of the indicating piece, and a second linkage assembly for driving the indicating piece to move is arranged between the contact support and the indicating piece.

By adopting the technical scheme, the switching positioning piece is arranged, so that the handle can only be switched between the first state and the second state in the rotating process, and the first state and the second state are respectively in the closed state and the open state, so that the breaking capacity of the switch is improved. The rotating handle drives the contact support and the moving contact to move through the first linkage assembly, and when the rotating handle is in a closed state, the moving contact is in contact with the fixed contact; when the circuit is in an off state, the moving contact is separated from the fixed contact, so that the disconnection and the connection of the circuit are realized. The novel steel wire rope has the advantages of simple structure and few parts, so that the production cost and the labor cost are reduced, the novel steel wire rope has better market prospect, and is suitable for future development of enterprises. The contact support drives the indicating piece to rotate positively and negatively through the second linkage assembly in the action process, and an operator can clearly know the state of the isolating switch by observing the state of the indicating piece through the indicating window, so that the switch indicating function is realized.

Further setting the following steps: the second linkage assembly comprises a second linkage block arranged on the indicating piece and rotating along with the indicating piece and a second linkage groove arranged on the contact support and matched with the second linkage block.

By adopting the technical scheme, the contact support in reciprocating sliding drives the indicating piece to realize forward and reverse rotation through the matching of the second linkage block and the second linkage groove, so that the indicating switching function of the indicating piece is realized.

Further setting the following steps: and when the isolating switch is in an off state, the second side wall is matched with the inner side wall of the shell to limit the indicator to rotate.

Through adopting above-mentioned technical scheme, second lateral wall cooperation casing plays limiting displacement to the indicator after switching, prevents that the indicator from taking place the free rotation because of external force to ensure the stable instruction function of indicator.

Further setting the following steps: and when the isolating switch is in a closed state, the first side wall is matched with the positioning column to limit the rotation of the indicating part.

Through adopting above-mentioned technical scheme, first lateral wall cooperation reference column plays limiting displacement to the indicator after switching, prevents that the indicator from taking place the free rotation because of external force to ensure the stable instruction function of indicator.

Further setting the following steps: the first linkage assembly comprises a first linkage groove arranged on the handle and a first linkage block arranged on the contact support and matched with the first linkage groove.

By adopting the technical scheme, the handle in forward and reverse rotation drives the contact support to realize reciprocating sliding through the matching of the first linkage groove and the first linkage block, so that the contact or separation of the moving contact and the static contact is realized.

Further setting the following steps: the switching positioning piece comprises a spring, one end of the spring is fixedly connected with the handle, and the other end of the spring is fixedly connected with the shell.

Through adopting above-mentioned technical scheme, the handle makes the spring distortion at the pivoted in-process, and the spring after the distortion has the elastic energy that resets to realize that the handle switches between first state and second state between the two.

Further setting the following steps: the moving contact is movably arranged on the contact support, and when the isolating switch is in a closed state, an elastic sheet for driving the moving contact to abut against the fixed contact is arranged between the contact support and the moving contact.

By adopting the technical scheme, when the moving contact is contacted with the static contact, the elastic sheet provides a propping force towards the direction of the static contact for the moving contact, so that the moving contact and the static contact are ensured to be in close contact in a closed state, and the contact stability is improved.

Further setting the following steps: and a limiting sliding groove for limiting the sliding of the braking contact is formed on the contact support, and when the isolating switch is in a disconnected state, the limiting sliding groove limits the moving contact to be in contact with the fixed contact.

Through adopting above-mentioned technical scheme, the setting of spacing spout makes when isolator is in the off-state, comes the restriction moving contact and the static contact through the spacing of spacing spout.

Further setting the following steps: and the shell is provided with a slot for inserting and fixing the static contact.

By adopting the technical scheme, the installation of the static contact is simpler and more convenient due to the arrangement of the slot.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses spare part is few, simple structure to reduced manufacturing cost and cost of labor, had better market prospect, be fit for the future development of enterprise and have the switch indicating function.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram illustrating an open state of the exemplary embodiment;

FIG. 3 is a schematic structural diagram of a closed state of the embodiment;

FIG. 4 is a partial exploded view of an embodiment;

FIG. 5 is a schematic diagram of a partial structure according to an embodiment.

In the figure: 1. a housing; 2. a wiring terminal; 3. static contact; 4. a contact holder; 5. a moving contact; 6. switching the positioning piece; 7. a first linkage groove; 8. a first linkage block; 9. an elastic sheet; 10. a limiting chute; 11. a slot; 12. an indicator; 13. an indication window; 14. a second linkage groove; 15. a second linkage block; 16. a first side wall; 17. a second side wall; 18. a positioning column; 19. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, an isolating switch with a switch indication function includes a housing 1 and a connection terminal 2 installed in the housing 1, a handle 19 and an indication member 12 are rotatably installed in the housing 1, a slot 11 is formed in the housing 1, a static contact 3 contacting the connection terminal 2 is inserted in the slot 11, and a contact support 4 is slidably installed in the housing 1. A moving contact 5 moving along with the contact support 4 is movably arranged on the contact support 4, and a first linkage component driving the contact support 4 to move is arranged between the handle 19 and the contact support 4. The handle 19 has a first state and a second state in the process of rotation, a switching positioning member 6 for switching the handle 19 between the first state and the second state is arranged between the handle 19 and the housing 1, and the first state and the second state are a closed state and an open state respectively.

An indication window 13 is arranged on the outer wall of the housing 1 corresponding to the position of the indicator 12, and a second linkage component for driving the indicator 12 to move is arranged between the contact support 4 and the indicator 12. The second linkage assembly comprises a second linkage block 15 integrally arranged on the indicator 12 and a second linkage groove 14 which is opened on the contact support 4 and is matched with the second linkage block 15, and the second linkage block 15 is positioned in the second linkage groove 14. Two side walls formed on the second linking groove 14 are a first side wall 16 and a second side wall 17, respectively, and a positioning column 18 is integrally arranged in the housing 1. The second side wall 17 engages the inner side wall of the housing 1 to limit rotation of the indicator 12 when the disconnector is in the off-state. When the disconnector is in the closed position, the first side wall 16 cooperates with the positioning post 18 for limiting the rotation of the indicator 12.

The first linkage assembly comprises a first linkage groove 7 arranged on the handle 19 and a first linkage block 8 which is integrally arranged on the contact support 4 and matched with the first linkage groove 7, and the first linkage block 8 is arranged in the first linkage groove 7. The switching positioning element 6 comprises a spring, preferably a torsion spring, one end of which is fixedly connected to the handle 19 and the other end of which is fixedly connected to the housing 1. An elastic sheet 9 is connected between the contact support 4 and the moving contact 5, the elastic sheet 9 is made of metal, one end of the elastic sheet 9 is fixedly connected with the contact support 4, and the other end of the elastic sheet 9 is fixedly connected with the moving contact 5. A limiting sliding groove 10 for limiting the sliding of the brake contact 5 is formed on the contact support 4, the moving contact 5 is arranged in the limiting sliding groove 10 in a sliding manner, and when the isolating switch is in an off state, the moving contact 5 is separated from the static contact 3; when the isolating switch is in a closed state, the moving contact 5 is in contact with the fixed contact 3 and drives the moving contact 5 to be tightly abutted against the fixed contact 3 under the action of the elastic sheet 9.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a isolator with switch instruction function which characterized in that: the device comprises a shell (1) and a wiring terminal (2) arranged in the shell (1), wherein a handle (19) is rotationally arranged in the shell (1), a static contact (3) connected with the wiring terminal (2) is arranged in the shell (1), a contact support (4) is slidably arranged in the shell (1), a moving contact (5) moving along with the contact support (4) is arranged on the contact support (4), a first linkage component for driving the contact support (4) to act is arranged between the handle (19) and the contact support (4), the handle (19) has a first state and a second state in the rotating process, a switching positioning part (6) for switching the handle (19) between the first state and the second state is arranged between the handle (19) and the shell (1), and an indicating part (12) is rotationally arranged in the shell (1), an indication window (13) is arranged on the outer wall of the shell (1) corresponding to the position of the indication piece (12), and a second linkage assembly for driving the indication piece (12) to move is arranged between the contact support (4) and the indication piece (12).

2. The disconnecting switch with switch indication function according to claim 1, wherein: the second linkage assembly comprises a second linkage block (15) which is arranged on the indicator (12) and rotates along with the indicator and a second linkage groove (14) which is arranged on the contact support (4) and is matched with the second linkage block (15).

3. The disconnecting switch with switch indication function according to claim 2, wherein: and a first side wall (16) and a second side wall (17) are respectively formed on two side walls of the second linkage groove (14), and when the isolating switch is in an off state, the second side wall (17) is matched with the inner side wall of the shell (1) and used for limiting the indicator (12) to rotate.

4. The disconnecting switch with switch indication function according to claim 3, wherein: a positioning column (18) is arranged in the shell (1), and when the isolating switch is in a closed state, the first side wall (16) is matched with the positioning column (18) to limit the rotation of the indicating piece (12).

5. The disconnecting switch with switch indication function according to claim 1, wherein: the first linkage assembly comprises a first linkage groove (7) arranged on the handle (19) and a first linkage block (8) arranged on the contact support (4) and matched with the first linkage groove (7).

6. The disconnecting switch with switch indication function according to claim 1, wherein: the switching positioning piece (6) comprises a spring, one end of the spring is fixedly connected with the handle (19), and the other end of the spring is fixedly connected with the shell (1).

7. The disconnecting switch with switch indication function according to claim 1, wherein: the moving contact (5) is movably arranged on the contact support (4), and when the isolating switch is in a closed state, an elastic sheet (9) for driving the moving contact (5) to abut against the static contact (3) is arranged between the contact support (4) and the moving contact (5).

8. The disconnecting switch with switch indication function according to claim 7, wherein: and a limiting sliding groove (10) for limiting the sliding of the brake contact (5) is formed on the contact support (4), and when the isolating switch is in an off state, the limiting sliding groove (10) limits the contact of the moving contact (5) and the static contact (3).

9. The disconnecting switch with switch indication function according to claim 1, wherein: and the shell (1) is provided with a slot (11) for inserting and fixing the static contact (3).