CN218826796U

CN218826796U - Switch structure with high stability

Info

Publication number: CN218826796U
Application number: CN202222625450.2U
Authority: CN
Inventors: 薛瑞; 沈思奇; 程家杰
Original assignee: Shanghai Liangxin Smart Electric Co ltd; Shanghai Liangxin Electrical Co Ltd
Current assignee: Shanghai Liangxin Smart Electric Co ltd; Shanghai Liangxin Electrical Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-07
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a switch structure with high stability, it includes switch button (1), swinging member (2), switch clamp plate (3), switch copper spare subassembly (4) and switch support (5), this switch structure has simplified the mounting structure of switch through the redesign to current switch structure, has especially improved the stability that the switch button used, has reduced the manufacturing degree of difficulty simultaneously, does benefit to industrial automation production.

Description

Switch structure with high stability

Technical Field

The utility model belongs to the technical field of the house equipment, specifically say so and relate to a switch structure with high stability.

Background

Along with the improvement of living quality of people, the requirement on the beauty of home decoration is further improved, and the requirements on the appearance and the stability of a switch on the wall surface are improved. The switch is a product which is contacted every day in life, and the beauty and good stability of the switch directly reflect the pursuit of life quality. Although the domestic switch on the market at present can both satisfy each item requirement of national compulsory certification, the gap between the switch button can all appear after using some years, all can appear the button gap inequality on the stability of feeling and lead to the button to warp, long back of service life, the cooperation of switch key position static contact piece is not firm and the break-make is bad appears, the flash arc phenomenon when opening and shutting, risks such as the temperature rise is too high to and the defect that the handle is not good after the assembly is not hard up between the switch part. In addition, the silver points of the movable contact spring, which is a key component of the double-control switch, are of a double-sided silver point structure, the manufacturing process of the silver points is complex, the processing difficulty is high, fine indentations cannot be formed on the silver point surfaces of the riveted movable contact spring and the fixed contact spring due to the high quality requirement on the silver point surfaces in the later riveting process, the process is difficult to realize automatic production, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at exactly providing a defect to the above-mentioned current switch especially two accuse switches existence, provide a switch structure with high stability, through the redesign to current switch structure, simplified the mounting structure of switch, especially improved the stability that the switch button used, reduced the manufacturing degree of difficulty simultaneously, do benefit to industrial automation production.

Technical scheme

In order to realize above-mentioned technical purpose, the utility model provides a switch structure with high stability, it includes the switch button, the swinging member, the switch clamp plate, switch copper spare subassembly and switch support, its characterized in that:

the switch key is matched with the swinging piece through a buckle, a cylinder is arranged in the middle of the switch key, a precise slotted hole is formed in the middle of the swinging piece and corresponds to the cylinder, and the cylinder is arranged in the precise slotted hole to realize precise positioning of the switch key and the swinging piece;

the swinging piece is installed in a matching mode through a rotating shaft buckle and a rotating shaft hole in the switch pressing plate, a round point positioning groove is formed in a positioning bulge on the swinging piece, a first positioning rib is arranged on the switch pressing plate, and the first positioning rib is located in the round point positioning groove, so that the swinging piece can accurately slide on the switch pressing plate, and gaps among the switch keys can be adjusted uniformly after the switch pressing plate is assembled;

the movable contact spring is arranged in mounting limit grooves on two sides of the switch support, a limit groove is formed in the movable contact spring, and a first rib position matched with the limit groove is arranged on the switch support and corresponds to the limit groove, so that the movable contact spring cannot sway left and right during swinging;

the static contact piece is arranged on a second rib position of the switch bracket through a reverse bending slope surface arranged on the static contact piece, and a second positioning rib arranged on the static contact piece is inserted into a positioning groove on the switch pressing plate.

Furthermore, a first movable silver point and a second movable silver point are arranged on two sides of the movable contact piece in a staggered mode, the static contact piece comprises a first static contact piece and a second static contact piece, and a first static silver point and a second static silver point are arranged on the first static contact piece and the second static contact piece in positions corresponding to the first movable silver point and the second movable silver point.

Furthermore, the switch pressing plate is installed in a matched mode through a groove in the switch pressing plate and an installation rib position on the switch support.

Advantageous effects

The utility model provides a pair of switch structure with high stability through the redesign to current switch structure, has simplified the mounting structure of switch, has especially improved the stability that switch button used, has reduced the manufacturing degree of difficulty simultaneously, does benefit to industrial automation production.

Drawings

Fig. 1 is an exploded view of a switch according to an embodiment of the present invention;

FIG. 2 is a schematic view of the installation of the static contact in the embodiment of the present invention;

FIG. 3 is a product drawing of a movable contact spring in an embodiment of the present invention;

FIG. 4 is a product drawing of a static contact in an embodiment of the present invention;

FIG. 5 is a schematic diagram of the first movable silver point and the second movable silver point in the embodiment of the present invention;

FIG. 6 is a schematic view of the movable contact piece in the embodiment of the present invention;

FIG. 7 is a schematic view of the connection between the switch button and the swinging member in the embodiment of the present invention;

FIG. 8 is a schematic view of the connection between the switch pressing plate and the swinging member according to the embodiment of the present invention;

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which 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" and "connected" are to be interpreted 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.

The present invention will be described in further detail with reference to specific embodiments and drawings.

Examples

As shown in fig. 1, a switch structure with high stability comprises a switch key 1, an oscillating piece 2, a switch pressure plate 3, a switch copper piece assembly 4 and a switch bracket 5, wherein the switch key 1 is installed in cooperation with the oscillating piece 2 through a buckle, as shown in fig. 7, a cylinder 101 is arranged in the middle of the switch key 1, a fine slotted hole 202 is arranged in the middle of the oscillating piece 2 corresponding to the cylinder 101, and the cylinder 101 is arranged in the fine slotted hole 202 to realize the accurate positioning of the switch key 1 and the oscillating piece 2; through the accurate positioning structure for the central position of the part, the requirements for the part size and the injection molding process can be reduced, the central shrinkage characteristic of the injection molded part during molding is followed, and the influence on the part structure is reduced.

The swinging piece 2 is installed in a matching manner through a rotating shaft buckle and a rotating shaft hole in the switch pressing plate 3, as shown in the attached drawing 8, a round point positioning groove is formed in a positioning boss 201 on the swinging piece 2, a positioning rib I303 is arranged on the switch pressing plate 3, and the positioning rib I303 is positioned in the round point positioning groove, so that the swinging piece 2 can slide on the switch pressing plate 3 accurately, and gaps among the switch keys 1 can be adjusted uniformly after being assembled; the switch pressing plate 3 is installed by matching the groove 304 on the switch pressing plate with the installation rib position 502 on the switch bracket 5.

The switch copper component assembly 4 comprises a wiring terminal 413, a screw 412, a switch support plate 411, a movable contact piece 4a, a static contact piece 416 and a switch spring 414. It is assembled into the switch bracket 5, the wiring terminal 413 and the screw 412 are assembled into the bottom rib of the switch bracket 5.

As shown in fig. 1 and 6, the movable contact piece 4a is arranged on the switch support plate 3, the movable contact piece 4a is arranged in an installation limiting groove 5a at two sides of the switch bracket 5, a limiting groove 401 is arranged on the movable contact piece 4a, a rib position one 501 is arranged on the switch bracket 5 corresponding to the limiting groove 401 and is matched with the limiting groove 401, so that the movable contact piece 4a cannot sway left and right when swinging;

as shown in fig. 1,2 and 3, the static contact piece 416 is mounted on the rib position two 5b of the switch bracket 5 through the reverse-bending slope surface 416a provided thereon, and the positioning rib two 416b provided on the static contact piece 416 is inserted into the positioning groove 302 on the switch pressing plate 3. By adopting the structure, the on-off of the switch is more stable, the switch arcing is reduced, the temperature rise is reduced, and the service life of the switch is prolonged.

As shown in fig. 1,3,4 and 5, the movable contact 4a has a movable silver point one 4a01 and a movable silver point two 4a02 arranged on two sides thereof in a staggered manner, the static contact 416 includes a static contact piece one 41601 and a static contact piece two 41602, and the static contact piece one 41601a and the static contact piece two 41602 have a static silver point one 41601a and a static silver point two 41602a arranged at positions corresponding to the movable silver point one 4a01 and the movable silver point two 4a 02. The movable contact spring 4a is designed to rivet the silver points on two sides through the staggered size of the silver points, and the design of two single-side silver points is used, so that the high process manufacturability and high cost of the single double-side silver points are avoided. The on-off of the double-control switch is realized by two single-side silver dots.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a switch structure with high stability, it includes switch button (1), swinging member (2), switch clamp plate (3), switch copper spare subassembly (4) and switch support (5), its characterized in that:

the switch key (1) is installed with the swinging piece (2) in a matched mode through a buckle, a cylinder (101) is arranged in the middle of the switch key (1), a precise slotted hole (202) is formed in the middle of the swinging piece (2) and corresponds to the cylinder (101), and the cylinder (101) is installed in the precise slotted hole (202) to achieve precise positioning of the switch key (1) and the swinging piece (2);

the swing piece (2) is installed in a matched mode through a rotating shaft buckle and a rotating shaft hole in the switch pressing plate (3), a round point positioning groove is formed in a positioning protrusion (201) on the swing piece (2), a positioning rib I (303) is arranged on the switch pressing plate (3), and the positioning rib I (303) is located in the round point positioning groove, so that the swing piece (2) can accurately slide on the switch pressing plate (3), and gaps among the switch keys (1) can be adjusted uniformly after assembly;

the movable contact piece (4 a) is installed in installation limiting grooves (5 a) on two sides of the switch support (5), the movable contact piece (4 a) is provided with a limiting groove (401), a rib position I (501) is arranged on the switch support (5) corresponding to the limiting groove (401) and is matched with the limiting groove (401), and the movable contact piece (4 a) cannot shake left and right during swinging;

the static contact piece (416) is installed on a second rib position (5 b) of the switch support (5) through a reverse bending slope surface (416 a) arranged on the static contact piece (416), and the second positioning rib (416 b) arranged on the static contact piece (416) is inserted into the positioning groove (302) on the switch pressing plate (3).

2. A switching architecture with high stability as defined in claim 1, characterized in that: the movable contact piece (4 a) is provided with a first movable silver point (4 a 01) and a second movable silver point (4 a 02) in a staggered mode on two sides, the static contact piece (416) comprises a first static contact piece (41601) and a second static contact piece (41602), and the first static contact piece (41601 a) and the second static contact piece (41602) are provided with a first static silver point (41601 a) and a second static silver point (41602 a) in positions corresponding to the first movable silver point (4 a 01) and the second movable silver point (4 a 02).

3. A switching architecture with high stability according to claim 1, characterized in that: the switch pressing plate (3) is installed in a matched mode through a groove (304) in the switch pressing plate and an installation rib position (502) in the switch support (5).