CN214541982U

CN214541982U - Switch

Info

Publication number: CN214541982U
Application number: CN202120889588.6U
Authority: CN
Inventors: 郑立清; 项培炜; 刘远方; 胡兰芳; 戈献勋; 张梅; 陈旭娇
Original assignee: Zhejiang Chint Building Electrics Co Ltd
Current assignee: Zhejiang Chint Building Electrics Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-10-29
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a switch, which comprises a cover plate; buttonholes; an elastic member; a drive member including a drive slot, the drive slot having an open portion; the contact assembly comprises a movable contact assembly and a fixed contact assembly, wherein a movable contact of the movable contact assembly and a fixed contact of the fixed contact assembly are arranged oppositely along a first direction, and a driving part of the movable contact assembly is located in the driving groove. The opening part acts on the moving contact component to drive the moving contact component to rotate, the stress direction of the moving contact component is changed, the distance between the position acting on the moving contact component and the rotating center is mainly related to the structure of the moving contact component, and therefore the cover plate can also realize the contact or separation of the moving contact and the static contact at a smaller swinging angle, and the ultrathin development is carried out; and the stress component of the moving contact component is increased, and the moving contact component is also subjected to the acting force of the opening part except the acting force of the spring, so that the resistance is reduced, and the ablation of the contact is reduced.

Description

Switch

Technical Field

The utility model relates to an electrical equipment technical field, concretely relates to switch.

Background

The switch is common electrical equipment, and the variety of switch is more, and rocker switch belongs to one of them kind of switch. The prior art discloses a rocker switch, which comprises a cover plate, a transmission component, a moving contact component and a fixed contact component, wherein the moving contact component and the fixed contact component are arranged up and down, and the transmission component is driven to rotate by pressing the cover plate so as to act on the moving contact component, so that a moving contact in the moving contact component is contacted with or separated from a fixed contact of the fixed contact component, and the switch is switched on or off. Above-mentioned rocker switch, if the swing angle undersize, can lead to the position that transmission assembly acted on the movable contact subassembly and the distance of rotation center too short to lead to the contact pressure between the contact little, product property can worsen, and required swing angle is great for this, thereby leads to the whole thickness of switch to be thicker, is unfavorable for the switch to move towards ultra-thin development.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the required swing angle of switch among the prior art great, leads to the whole thickness of switch thicker, is unfavorable for the defect that the switch developed towards the ultra-thinness to a switch is provided.

A switch, comprising:

a cover plate;

the button is driven to rotate by pressing the cover plate and comprises an accommodating cavity;

the elastic piece is arranged in the accommodating cavity;

the driving piece is arranged on one side, far away from the cover plate, of the elastic piece and comprises a driving groove, the driving groove is provided with an opening part, and the opening part is opened along the direction far away from the cover plate;

the contact assembly comprises a movable contact assembly and a fixed contact assembly, a movable contact of the movable contact assembly and a fixed contact of the fixed contact assembly are arranged oppositely along a first direction, the first direction is perpendicular to the thickness direction, a driving portion of the movable contact assembly is located in the driving groove, the driving portion is driven to rotate by rotation of the button, and the opening portion acts on the movable contact assembly to drive the movable contact assembly to rotate.

Furthermore, the driving part further comprises a driving part body and an installation column, the installation column is arranged on the driving part body in a protruding mode towards the direction close to the cover plate, and the elastic piece is sleeved on the installation column.

Further, the elastic member is a spring.

Furthermore, the containing cavity is provided with a sliding protrusion, the driving piece body is provided with a sliding groove, and the sliding protrusion is located in the sliding groove.

Further, the opening part is arranged in an inclined plane shape.

Furthermore, the moving contact assembly further comprises a moving contact body and a contraction portion, the moving contact, the contraction portion and the driving portion are all arranged on the moving contact body, the driving portion protrudes out of the contraction portion in the direction close to the cover plate, and the contraction portion is arranged in the direction close to the cover plate in a contraction mode.

Furthermore, the contraction parts are arranged on two sides of the driving part and are symmetrically arranged.

Further, the end part of the driving part close to the cover plate is arranged in an arc surface shape, and the contraction part is arranged in a frustum pyramid shape.

Furthermore, the end part of the moving contact body far away from the cover plate is abutted to the conductive component.

Furthermore, the end part of the moving contact body far away from the cover plate is arranged in an arc surface shape.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of switch, include: a cover plate; the button is driven to rotate by pressing the cover plate and comprises an accommodating cavity; the elastic piece is arranged in the accommodating cavity; the driving piece is arranged on one side, far away from the cover plate, of the elastic piece and comprises a driving groove, the driving groove is provided with an opening part, and the opening part is opened along the direction far away from the cover plate; the contact assembly comprises a movable contact assembly and a fixed contact assembly, a movable contact of the movable contact assembly and a fixed contact of the fixed contact assembly are arranged oppositely along a first direction, the first direction is perpendicular to the thickness direction, a driving portion of the movable contact assembly is located in the driving groove, the driving portion is driven to rotate by rotation of the button, and the opening portion acts on the movable contact assembly to drive the movable contact assembly to rotate. According to the switch with the structure, when the cover plate is pressed to drive the button to rotate, the driving piece can be driven to rotate, the opening part acts on the movable contact component to drive the movable contact component to rotate, the stress direction of the movable contact component is changed, the distance between the position acting on the movable contact component and the rotating center is mainly related to the structure of the movable contact component, therefore, the cover plate can ensure the distance between the position acting on the movable contact component and the rotating center to realize the contact or separation of the movable contact and the static contact with a smaller swing angle, namely, the thickness of the switch can be reduced with a smaller stroke of the cover plate, so that the switch is developed towards ultra-thinness, wherein the farther the distance between the driving part and the movable contact is, the smaller the required swing angle is; and the stress component of the moving contact component is increased, and the moving contact component is also subjected to the acting force of the opening part except the acting force of the spring, so that the resistance is reduced, the ablation of the contact is reduced, the condition of fusion welding is avoided, and the service life of the switch is prolonged.

2. The utility model provides a pair of switch, the moving contact subassembly still includes moving contact body and constriction, the moving contact the constriction with the drive division is all located move contact body is last just the drive division is followed and is close to the direction protrusion of apron the constriction sets up, the constriction orientation is close to the direction shrink setting of apron. The switch with the structure is provided with the contraction part, so that the related parts are convenient to assemble.

3. The utility model provides a pair of switch, the constriction is located the both sides of drive division, and the symmetry sets up. The switch with the structure can enable the stress of the moving contact body to be more uniform.

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 schematic structural diagram of a switch provided in an embodiment of the present invention;

FIG. 2 is an exploded view of the switch shown in FIG. 1;

FIG. 3 is a schematic structural view of the button shown in FIG. 2;

FIG. 4 is a schematic view of the drive member shown in FIG. 2;

fig. 5 is a schematic structural diagram of the movable contact assembly shown in fig. 2;

fig. 6 is a schematic view of the button, driving member and movable contact assembly shown in fig. 2;

fig. 7 is a schematic view of the button, driving member and movable contact assembly shown in fig. 6 after rotation;

description of reference numerals:

1-cover plate, 2-upper press plate, 3-mounting frame, 4-lower press plate, 5-button, 51-accommodating cavity, 52-sliding protrusion, 6-spring, 7-driving piece, 71-driving groove, 72-driving piece body, 73-opening part, 74-sliding groove, 75-mounting column, 81-static contact assembly, 82-movable contact assembly, 821-movable contact body, 822-contraction part, 823-driving part, 824-movable contact, 825-contact part, 9-conductive piece assembly and 10-base.

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

A switch as shown in fig. 1 to 7 comprises a cover plate 1, an upper press plate 2, a mounting frame 3, a lower press plate 4, a button 5, an elastic member, a driving member 7, a contact assembly, a conductive member and a base 10. Wherein, the button 5 is driven to rotate by pressing the cover plate 1, and the button 5 comprises an accommodating cavity 51; the elastic piece is arranged in the accommodating cavity 51; the driving member 7 is disposed on a side of the elastic member away from the cover plate 1, the driving member 7 includes a driving groove 71, the driving groove 71 has an opening portion 73, and the opening portion 73 is opened in a direction away from the cover plate 1. Specifically, the flared portion 73 is disposed in a ramp-type arrangement or other type of arrangement.

The contact assembly in this embodiment includes a moving contact assembly 82 and a fixed contact assembly 81, the moving contact 824 of the moving contact assembly 82 and the fixed contact of the fixed contact assembly 81 are disposed oppositely along a first direction, the first direction is perpendicular to the thickness direction, that is, the first direction is a left-right direction in fig. 6, wherein the driving portion 823 of the moving contact assembly 82 is located in the driving groove 71, the driving portion 7 is driven to rotate by the rotation of the button 5, and the opening portion 73 acts on the moving contact assembly 82 to drive the moving contact assembly 82 to rotate.

As shown in fig. 4, the driving member 7 further includes a driving member body 72 and a mounting post 75, the mounting post 75 is disposed on the driving member body 72 and protrudes toward the cover plate 1, and the elastic member is disposed on the mounting post 75. Wherein the elastic member is a spring 6 or the like. As shown in fig. 3 and 4, the accommodating cavity 51 is provided with a sliding protrusion 52, the driving member body 72 is provided with a sliding groove 74, and the sliding protrusion 52 is located in the sliding groove 74.

As shown in fig. 5, the movable contact assembly 82 includes a movable contact 824, a movable contact body 821 and a contracting portion 822, the movable contact 824, the contracting portion 822 and the driving portion 823 are all disposed on the movable contact body 821, the driving portion 823 protrudes the contracting portion 822 in a direction close to the cover plate 1, and the contracting portion 822 is contracted in a direction close to the cover plate 1. By providing the constriction 822, assembly of the associated component is facilitated.

Specifically, the contraction parts 822 are provided at both sides of the driving part 823, and are symmetrically disposed. The stress on the movable contact body 821 can be more uniform. Wherein, the end of the driving part 823 close to the cover plate 1 is arranged in an arc surface shape, and the contracting part 822 is arranged in a pyramid shape. As shown in fig. 5, the end of the movable contact body 821 remote from the cover plate 1 forms a contact portion 825 of the movable contact assembly 82 to abut against the conductive member assembly 9. The end of the movable contact body 821 remote from the cover plate 1, i.e. the contact portion 825, is arranged in an arc shape.

When the device is installed, the fixed contact component 81, the conductive component 9 and the movable contact component 82 are sequentially installed in the base 10, wherein the contact part 825 of the movable contact component 82 is abutted against the conductive component 9 to realize the contact of the two; the spring 6 can then be fitted over the mounting post 75 of the driving member 7; then the driving piece 7 can be installed in the containing cavity 51 of the button 5; the button 5 can be mounted on the lower pressure plate 4; the lower press plate 4 is installed on the base 10, wherein the driving part 823 of the movable contact assembly 82 is inserted into the driving groove 71 of the driving member 7; the assembled structure can then be mounted on a mounting frame 3; and then the upper pressing plate 2 is arranged on the mounting frame 3, and finally the cover plate 1 is arranged on the upper pressing plate 2 to finish the installation.

When the switch is used, when the cover plate 1 is pressed by a hand, the cover plate 1 rotates, the cover plate 1 drives the button 5 to rotate, as shown in fig. 6 and 7, the button 5 drives the driving part 7 to rotate, the opening part 73 of the driving groove 71 of the driving part 7 drives the movable contact body 821 to rotate by taking the contact part 825 of the contact assembly as a rotation center, and the movable contact 824 and the static contact of the static contact assembly are switched on and off, so that the on-off of the switch is realized.

The utility model discloses a switch, can drive the rotation of driving piece 7 when pressing apron 1 and driving button 5 and move, opening portion 73 acts on the rotation that drives moving contact subassembly 82 on moving contact subassembly 82, the atress direction of moving contact subassembly 82 has been changed, make the distance that acts on position and the center of rotation of moving contact subassembly 82 mainly relevant with the structure of moving contact subassembly 82 (drive portion 823, contact site 825 and moving contact 824), for this apron 1 also can ensure to act on the position on moving contact subassembly 82 and the distance of center of rotation to realize the contact or the separation of moving contact 824 and static contact with less swing angle, the stroke of apron 1 is less just can make the thickness attenuate of switch promptly, thereby towards ultra-thin development, wherein the distance between drive portion 823 and the moving contact 824 is more remote, required swing angle is less; and the stress component of the movable contact component 82 is increased, and the movable contact component 82 is also subjected to the acting force of the opening part 73 except the acting force of the spring 6, so that the resistance is reduced, the ablation of the contact is reduced, the condition of fusion welding is avoided, and the service life of the switch is prolonged.

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 switch, comprising:

a cover plate;

the elastic piece is arranged in the accommodating cavity;

2. The switch of claim 1, wherein the actuator further comprises an actuator body and a mounting post, the mounting post protruding from the actuator body toward the cover plate, the resilient member being disposed around the mounting post.

3. A switch according to claim 1 or 2, wherein the resilient member is a spring.

4. The switch of claim 1, wherein the receiving cavity is provided with a sliding protrusion, the driving member body is provided with a sliding groove, and the sliding protrusion is located in the sliding groove.

5. A switch according to claim 1, wherein the flared portion is beveled.

6. The switch of claim 1, wherein the moving contact assembly further comprises a moving contact body and a contracting portion, the moving contact, the contracting portion and the driving portion are all disposed on the moving contact body, the driving portion protrudes from the contracting portion in a direction close to the cover plate, and the contracting portion is arranged in a contracting manner in a direction close to the cover plate.

7. The switch of claim 6, wherein the constrictions are symmetrically disposed on opposite sides of the drive portion.

8. A switch according to claim 6, wherein the end of the driving portion adjacent to the cover plate is curved and the constricted portion is truncated.

9. The switch of claim 6, wherein an end of the movable contact body away from the cover abuts the conductive member.

10. The switch of claim 9, wherein the end of the movable contact body distal from the cover plate is disposed in a curved configuration.