CN220041633U

CN220041633U - Auxiliary switch

Info

Publication number: CN220041633U
Application number: CN202321479081.9U
Authority: CN
Inventors: 陈培奖
Original assignee: Yueqing Wanbaolong Auxiliary Switch Factory
Current assignee: Yueqing Wanbaolong Auxiliary Switch Factory
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-11-17
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses an auxiliary switch, which comprises a mounting seat, a micro switch, a trigger piece and an elastic piece, wherein the mounting seat is provided with a first opening and a second opening; two rows of micro switches are arranged on the mounting seat, each row of micro switches comprises at least one micro switch, the trigger piece is movably arranged on the mounting seat and used for triggering the micro switches, and the elastic piece provides reset elastic force for the trigger piece. The auxiliary switch structure is optimally designed, is more compact in structure, is convenient to assemble and produce, can effectively improve the production efficiency, has stable and reliable product performance, and has good practicability.

Description

Auxiliary switch

Technical Field

The utility model relates to an electric switch, in particular to an auxiliary switch.

Background

The auxiliary switch is configured in power equipment such as a high-voltage or medium-voltage circuit breaker, an isolating switch and the like to serve as a secondary control loop for opening, closing, signal control and interlocking protection, and can also serve as a combined switch and a change-over switch. The utility model discloses a linkage auxiliary switch group in patent document CN204497094U, including first auxiliary switch and second auxiliary switch, first auxiliary switch and second auxiliary switch constitute auxiliary switch group, first auxiliary switch and second auxiliary switch all are provided with the same casing, be provided with the push rod in the casing, the part that the push rod is located the casing is provided with the movable contact bridge, be provided with on the casing with movable contact bridge complex stationary contact, the push rod top of first auxiliary switch is provided with first push pedal, the both sides of first push pedal are provided with the preforming, the push rod on the second auxiliary switch is provided with the second push pedal, the preforming is connected with the second push pedal linkage, be provided with guiding mechanism on the movable contact bridge. The number of scattered parts in the first auxiliary switch and the second auxiliary switch in the linkage auxiliary switch group in the patent document is large, the structure is complex, the production and the assembly are very complicated, and the production efficiency is difficult to improve.

Disclosure of Invention

In this regard, the utility model provides an auxiliary switch which is convenient to assemble and reliable in performance.

The technical scheme for realizing the aim of the utility model is as follows:

the utility model relates to an auxiliary switch, which comprises a mounting seat, a micro switch, a trigger piece and an elastic piece; two rows of micro switches are arranged on the mounting seat, each row of micro switches comprises at least one micro switch, the triggering piece is movably arranged on the mounting seat and used for triggering the micro switches, and the elastic piece provides reset elastic force for the triggering piece.

Preferably, the mounting seat is provided with a mounting cavity with an opening at the upper end, the trigger piece is arranged in the mounting cavity from the opening and can move up and down, the trigger piece is provided with a trigger part, the button of the micro switch is positioned on the moving path of the trigger part, and the button is triggered by the trigger part.

Preferably, a limiting chute is arranged on the side wall of the mounting cavity, and a limiting clamping table which is movably matched with the limiting chute is arranged on the triggering piece.

Preferably, the elastic piece is a spiral pressure spring, and the upper end and the lower end of the elastic piece are respectively propped against the trigger piece and the mounting seat.

Preferably, a loop bar arranged along the up-down direction is arranged in the mounting cavity, a loop hole movably sleeved with the loop bar is arranged on the trigger piece, and the elastic piece is sleeved on the loop bar.

Preferably, a limiting part is fixed at the upper end of the loop bar, and the triggering part resists limiting through the limiting part when moving upwards to the limit position.

Preferably, the mounting seat is provided with a mounting groove for mounting each micro switch, and the micro switches are embedded in the mounting grooves.

Preferably, the mounting groove is provided with a notch for loading the micro switch, the mounting seat is provided with a limit baffle at the side of the notch, and the limit baffle resists limit of the micro switch.

Preferably, all microswitches in each row are connected with the mounting seat through fixing bolts.

Preferably, the trigger piece is provided with a convex mounting frame, and the mounting frame is rotatably provided with a roller through a mounting shaft.

The utility model has the positive effects that:

(1) The auxiliary switch has an optimized structure, adopts the existing micro switch on the market as a switch unit, is arranged on the mounting seat according to the requirement, and is provided with the movable trigger piece for triggering the micro switch, so that the number of scattered parts is greatly reduced, the structure is simple, the assembly and production are more convenient, the whole structure is more compact, the product performance is stable, and the practicability and the popularization are good.

(2) In the auxiliary switch, the loop bar arranged in the vertical direction is arranged in the mounting cavity, the loop hole is arranged on the trigger piece, the loop bar and the loop hole are matched to play a role in guiding the movement of the trigger piece, the loop bar can be used for mounting the elastic piece, an effective limiting effect on the elastic piece can be achieved, the elastic piece is convenient to mount, and the elastic piece can be prevented from moving, so that the effectiveness of the elastic force of the elastic piece is ensured.

(3) In the auxiliary switch, the mounting seat is provided with the mounting groove, and the micro switch is embedded in the mounting groove, so that the positioning and the mounting of the micro switch can be facilitated, and the compactness of the whole structure of the auxiliary switch is improved.

(4) In the auxiliary switch, the mounting frame is arranged on the trigger piece, the roller is rotatably arranged on the mounting frame through the mounting shaft, the external driving piece can be abutted against the roller to apply pressure to the trigger piece and push the trigger piece to move, and the roller can reduce friction resistance during abutting.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an auxiliary switch according to the present utility model;

FIG. 2 is a schematic view of the auxiliary switch of FIG. 1 from another view;

FIG. 3 is a schematic view of the auxiliary switch of the present utility model with the limit stop removed;

FIG. 4 is a top view of the auxiliary switch of the present utility model;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic view of a trigger according to the present utility model;

FIG. 7 is a schematic view of a mounting base according to the present utility model;

FIG. 8 is a schematic view of the mounting base of FIG. 7 from another perspective;

fig. 9 is a cross-sectional view of another auxiliary switch in the present utility model.

The reference numerals shown in the figures are: 1-a mounting base; 11-mounting slots; 12-a mounting cavity; 13-limiting sliding grooves; 14-loop bar; 2-a micro switch; 21-a button; 3-triggering member; 31-a trigger part; 32-limiting clamping tables; 33-trepanning; 34-mounting rack; 341-mounting a shaft; 35-a roller; 4-elastic members; 5-limiting pieces; and 6-a limit baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model.

The auxiliary switch structure in the embodiment is shown in fig. 1 to 8, and comprises a mounting seat 1, a micro switch 2, a trigger piece 3 and an elastic piece 4; the mounting seat 1 is made of plastic, the mounting seat 1 can be made into an integrated structure or a split assembly structure, two rows of micro switches 2 are arranged on the mounting seat 1, each row of micro switches 2 comprises one or more micro switches 2 (four micro switches 2 are arranged in each row in the drawing in the embodiment, the number of the micro switches 2 can be set according to the requirement in actual production), the trigger piece 3 is movably arranged on the mounting seat 1, the trigger piece 3 moves when being subjected to external pressure and triggers the micro switches 2, and when the external pressure applied to the trigger piece 3 is removed, the trigger piece 3 can move and reset under the action of the elastic force of the elastic piece 4, so that the state of the micro switches 2 is switched through the movement control of the trigger piece 3, and the on-off control of the auxiliary switch is realized; the micro switch 2 in this embodiment is a prior art, and can be purchased directly from the market, and the specific structure thereof will not be described here.

In this embodiment, the mounting seat 1 is provided with a mounting cavity 12 with an opening at the upper end, the trigger piece 3 is installed in the mounting cavity 12 from the opening and can move up and down, the trigger piece 3 is provided with a trigger part 31, the button 21 of the micro switch 2 is located on the moving path of the trigger part 31, the button 21 is triggered by the trigger part 31, and when the trigger piece 3 moves under the action of external force, the button 21 of the micro switch 2 is directly touched by the trigger part 31 on the trigger piece 3 so as to control the state switching of the micro switch 2.

As a preferred embodiment, in order to facilitate the installation of the elastic element 4, the elastic element 4 adopts a spiral compression spring, and the upper and lower ends of the spiral compression spring respectively prop against the trigger element 3 and the installation seat 1; still further, be equipped with the loop bar 14 that sets up along the upper and lower direction in the installation cavity 12, be equipped with on the trigger piece 3 with the loop hole 33 that loop bar 14 activity cup jointed can play the guide effect for the removal of trigger piece 3 through loop bar 14 and loop hole 33 cooperation, on this basis, will the elastic component 4 cup joints on the loop bar 14, can play spacing effect to the elastic component 4, thereby easy to assemble to prevent that the elastic component 4 from shifting and guarantee the validity of elastic component 4 elasticity.

In order to limit the installation position of the trigger piece 3 and prevent the trigger piece 3 from falling from the installation cavity 12, in this embodiment, a limiting chute 13 is arranged on the side wall of the installation cavity 12, a limiting clamping table 32 is arranged on the trigger piece 3, the trigger piece 3 can be limited by moving through the limiting clamping table 32 clamped in the limiting chute 13, the limiting clamping table 32 moves in the limiting chute 13 when the trigger piece 3 moves in the installation cavity 12, and stop limiting is realized on the trigger piece 3 when the limiting clamping table 32 is in contact with the corresponding end side wall of the limiting chute 13; in actual operation, on the basis of the scheme of limiting the trigger piece 3 by adopting the cooperation of the limiting clamping table 32 and the limiting sliding chute 13, or as an alternative scheme thereof: a limiting piece 5 can be fixed at the upper end of the loop bar 14, and the limiting piece 5 can resist limiting when the trigger piece 3 moves upwards to a limiting position, so that the limiting effect on the trigger piece 3 is achieved, and the trigger piece 3 is prevented from being separated from the mounting cavity 12; the limiting piece 5 can be a screw screwed on the end part of the loop bar 14, and the triggering piece 3 can be resisted and limited through the end head of the screw, or the limiting piece 5 can also be a clamp spring and the like.

Further, in order to facilitate the installation of the micro switch 2 and improve the compactness of the overall structure of the auxiliary switch, the installation seat 1 in this embodiment is provided with an installation groove 11, the micro switch 2 is embedded in the installation groove 11, and the installation groove 11 is provided with a notch in which the micro switch 2 is embedded, and particularly, refer to fig. 8.

Furthermore, in order to enhance the stability of the installation of the micro switch 2 in the installation groove 11, a limit baffle 6 is installed on the side of the notch on the installation seat 1, and the limit baffle 6 resists the micro switch 2 to limit so as to prevent the micro switch 2 from loosening and falling off from the notch; on the basis of the scheme of limiting the micro-switch 2 by the limit baffle 6, or as an alternative scheme of the structure, all micro-switches 2 in each row are connected with the mounting seat 1 through fixing bolts (not shown in the figure), positioning through holes for the fixing bolts to penetrate are formed in corresponding positions on the micro-switch 2 and the mounting seat 1, and the micro-switch 2 is further fixed on the mounting seat 1 through the fixing bolts.

As an optimization scheme in the above embodiment, in this embodiment, a protruding mounting frame 34 is provided on the trigger member 3, a roller 35 is rotatably installed on the mounting frame 34 through a mounting shaft 341, and when the auxiliary switch is installed and used, the external driving member can generate interference with the roller 35 so as to apply pressure to the trigger member 3 and push the trigger member 3 to move, so that friction resistance during interference can be reduced through the roller 35.

Fig. 9 shows another auxiliary switch structure of the present utility model, which is substantially the same as the auxiliary switch structure shown in fig. 1 to 8, except that: two rows of micro switches 2 in the auxiliary switches in fig. 1 to 8 are respectively arranged at two sides of the trigger piece 3, the trigger part 21 is correspondingly arranged at the side part of the trigger piece 3, the two rows of micro switches 2 in the auxiliary switch in fig. 9 are arranged below the trigger piece 3, and the trigger part 21 is correspondingly arranged at the lower part of the trigger piece 3, and the elastic piece 4 is not shown in fig. 9.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.

Claims

1. An auxiliary switch is characterized by comprising a mounting seat (1), a micro switch (2), a trigger piece (3) and an elastic piece (4); two rows of micro switches (2) are arranged on the mounting seat (1), each row comprises at least one micro switch (2), the triggering piece (3) is movably arranged on the mounting seat (1) and used for triggering the micro switches (2), and the elastic piece (4) provides reset elastic force for the triggering piece (3).

2. Auxiliary switch according to claim 1, characterized in that the mounting seat (1) is provided with a mounting cavity (12) with an opening at the upper end, the triggering piece (3) is arranged in the mounting cavity (12) from the opening and can move up and down, the triggering piece (3) is provided with a triggering part (31), the button (21) of the micro switch (2) is positioned on the moving path of the triggering part (31), and the button (21) is triggered by the triggering part (31).

3. Auxiliary switch according to claim 2, characterized in that the side wall of the mounting cavity (12) is provided with a limit chute (13), and the trigger piece (3) is provided with a limit clamping table (32) which is movably matched with the limit chute (13).

4. Auxiliary switch according to claim 2, characterized in that the elastic element (4) is a helical compression spring, the upper and lower ends of which are respectively abutted against the triggering element (3) and the mounting seat (1).

5. Auxiliary switch according to claim 4, characterized in that a sleeve rod (14) arranged along the up-down direction is arranged in the mounting cavity (12), a sleeve hole (33) movably sleeved with the sleeve rod (14) is arranged on the trigger piece (3), and the elastic piece (4) is sleeved on the sleeve rod (14).

6. Auxiliary switch according to claim 5, characterized in that the upper end of the sleeve rod (14) is fixed with a limiting member (5), and the triggering member (3) is kept out of limit by the limiting member (5) when moving upwards to the limit position.

7. Auxiliary switch according to claim 1 or 2, characterized in that the mounting base (1) is provided with a mounting groove (11) for mounting each micro switch (2), and the micro switches (2) are embedded in the mounting groove (11).

8. The auxiliary switch according to claim 7, wherein the mounting groove (11) is provided with a notch for loading the micro switch (2), the mounting seat (1) is provided with a limit baffle (6) at the notch side, and the limit baffle (6) resists limit of the micro switch (2).

9. Auxiliary switch according to claim 1, characterized in that all microswitches (2) in each row are connected to the mounting base (1) by means of fixing bolts.

10. Auxiliary switch according to claim 1, characterized in that the triggering element (3) is provided with a protruding mounting bracket (34), on which mounting bracket (34) a roller (35) is rotatably mounted by means of a mounting shaft (341).