CN209947730U

CN209947730U - Rocker switch

Info

Publication number: CN209947730U
Application number: CN201920438165.5U
Authority: CN
Inventors: 刘二军
Original assignee: HUIZHOU GREETECH ELECTRONICS Co Ltd
Current assignee: HUIZHOU GREETECH ELECTRONICS Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-01-14
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a rocker switch, which comprises a PCB (printed circuit board), wherein the PCB is fixedly provided with a rocker switch, the rocker switch comprises a lower fixing seat, the lower fixing seat is provided with four switch structures, the upper side of the switch structure is provided with an upper fixing seat, a rocker structure for controlling the communication of the switch structures is also arranged between the upper fixing seat and the lower fixing seat, the rocker structure passes through the upper fixing seat and the upper side of the upper fixing seat, the outer side of the upper fixing seat is provided with a shell for fixing the rocker switch, the shell is provided with a fixing foot, the fixing foot passes through the PCB and is fixed with the PCB, the shell wraps the whole switch structure, the fixing foot passing through the shell is fixed with the PCB, the shell at the moment can not only be used as the integral protective layer of the rocker switch, but also can increase the firmness degree of the rocker switch and the PCB through, and installing.

Description

Rocker switch

Technical Field

The utility model relates to a switch field specifically is a rocker switch.

Background

Rocker switch is a widely used switching device, and rocker switch among the prior art generally all installs on the casing, and is fixed with rocker switch through the fastener, and other structures are connected with rocker switch to the rethread wire, and not only the overall structure of switch is more complicated, and the installation is more complicated moreover, simultaneously, also can increase manufacturing cost.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a rocker switch not only can simplify rocker switch's structure, and easy to assemble increases the sound and the vibration when stirring simultaneously and feels, improves user experience.

The utility model provides a rocker switch, including the PCB board, the fixed rocker switch that is equipped with on the PCB board, rocker switch includes fixing base down, be equipped with at least one switch structure down on the fixing base, the switch structure upside is equipped with the fixing base, go up the fixing base and still be equipped with the rocker structure that is used for control switch structure intercommunication down between the fixing base, the rocker structure passes the supreme fixing base upside of fixing base, it is equipped with the shell that is used for fixed rocker switch to go up the fixing base outside, the shell is equipped with fixed foot, and fixed foot passes the PCB board and fixes with the PCB board.

Preferably, the switch structure comprises a switch base and a switch shell, a hollow structure is formed between the switch shell and the switch base, the switch structure further comprises a first connecting terminal, a second connecting terminal and a third connecting terminal which are fixed on the switch base through secondary forming, the second connecting terminal and the third connecting terminal on the inner side of the switch base are arranged oppositely, a gap is arranged between the second connecting terminal and the third connecting terminal, a contact piece is arranged in the gap, the other end of the contact piece is abutted against the first connecting terminal, a pulling elastic piece is further arranged in the middle of the contact piece in a clamping manner, the other end of the pulling elastic piece is clamped with the switch base or the first connecting terminal, the contact piece is contacted with the second contact terminal, a through hole is arranged on the switch shell, and a pressing piece capable of moving along the direction of the through hole is, the inner side of the pressing piece is abutted to the pulling elastic piece, the outer side of the pressing piece protrudes out of the outer side face of the switch shell, the switch shell is further provided with a rotating pressing contact piece, the inner surface of the pressing contact piece is abutted to the outer side face of the pressing piece, the pressing contact piece is pressed to enable the pulling elastic piece to deform, and the contact piece is separated from the second wiring terminal and is in contact with the third wiring terminal.

Preferably, the contact positions of the second connecting terminal, the third connecting terminal and the contact piece are provided with convex contact blocks.

Preferably, the contact piece includes butt portion, arc portion, joint portion and contact site, butt portion is the right angle structure, be equipped with on the first contact terminal with the right angle groove of contact piece butt portion right angle adaptation, arc portion medial surface is towards the pulling elastic component, be equipped with the through-hole with pulling elastic component joint in the joint portion, the contact block is located the contact site both sides.

Preferably, the pulling elastic piece is a spring or a shrapnel.

Preferably, the four switch structures form a rectangle, the rocker structure is located at the center of the rectangle, and the distance between the rocker structure and each switch structure is equal.

Preferably, the rocker structure includes a rocker shaft penetrating through the upper fixing base, a center ball is arranged on the rocker shaft on the upper side of the upper fixing base, a pressing block structure is sleeved on the rocker shaft on the lower side of the upper fixing base, a limiting member clamped and connected is arranged at a position, close to the bottom, of the rocker shaft, an elastic member is arranged between the limiting member and the pressing block structure, and the elastic member is sleeved on the outer side of the rocker shaft.

Preferably, an arc-shaped groove matched with the central ball is formed in the upper side of the upper fixing seat, a through hole is formed in the middle of the arc-shaped groove, the rocker shaft penetrates through the through hole, and the central ball is in contact with the arc-shaped groove.

Preferably, the briquetting structure is square structure, and the bottom side of briquetting structure is equipped with the annular groove, the elastic component joint is in the annular groove.

Preferably, the switch structure is provided with a positioning hole, the upper fixing seat and/or the lower fixing seat is/are provided with a positioning column matched with the positioning hole, and the positioning hole is clamped with the positioning column.

The utility model has the advantages that:

1. the shell wraps up the whole switch structure, and is fixed with the PCB board at the fixed foot through the shell, and the shell at this moment not only can regard as the holistic protective layer of rocker switch, simultaneously, through fixed foot, also can increase the firm degree of rocker switch and PCB board, and convenient production and processing to and the installation.

2. Through the setting of rocker structure, can increase the swing angle of rocker axle, at the in-process of using, the body experiences with user's use.

3. Through the design of contact piece and tensile elastic component among the switch structure, can grow vibration feel and sound in the in-process of using, can improve user's use and experience.

Drawings

FIG. 1 is a schematic view of the overall structure of the rocker switch of the present invention;

FIG. 2 is a schematic diagram of an explosion diagram of the sliding rocker switch of the present invention;

FIG. 3 is an assembly diagram of the rocker structure of the rocker switch of the present invention;

FIG. 4 is a schematic structural view of the rocker switch press block structure of the present invention;

fig. 5 is a schematic structural diagram of a switch structure in the rocker switch of the present invention;

fig. 6 is an exploded view of the switch structure of the rocker switch of the present invention;

fig. 7 is a schematic structural view of a connection terminal and a switch base of the switch structure of the rocker switch of the present invention;

fig. 8 is a schematic structural view of a contact piece of the switch structure in the rocker switch of the present invention;

FIG. 9 is a schematic structural view of the lower fixing seat of the rocker switch of the present invention;

the switch comprises a shell 1, a shell 2, a PCB 3, a lower fixed seat 4, a switch structure 41, a switch base 42, a switch shell 43, a first wiring terminal 431, a right-angle groove 44, a second wiring terminal 45, a third wiring terminal 46, a contact piece 461, an abutting part 462, an arc part 463, a clamping part 464, a contact part 47, a pulling elastic piece 48, a pressing piece 49, a pressing piece 410, a contact block 411, a positioning hole 5, an upper fixed seat 51, an arc groove 6, a rocker structure 61, a rocker shaft 62, a center ball 63, a pressing block structure 631, an annular groove 64, a

limiting piece

631, 65, an elastic piece 10, a positioning column 11 and a fixing pin.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, a rocker switch comprises a PCB 2, a rocker switch is fixedly arranged on the PCB 2, the rocker switch comprises a lower fixing seat 3, four switch structures 4 are arranged on the lower fixing seat 3, an upper fixing seat 5 is arranged on the upper side of each switch structure 4, a rocker structure 6 used for controlling the communication of the switch structures 4 is further arranged between the upper fixing seat 5 and the lower fixing seat 34, the rocker structure 6 penetrates through the upper fixing seat 5 and the upper side of the upper fixing seat 5, a shell used for fixing the rocker switch is arranged on the outer side of the upper fixing seat 5, the shell is provided with a fixing foot 11, and the fixing foot 11 penetrates through the PCB and is fixed with the PCB.

Can control switch structure 4's intercommunication or the state of disconnection through rocker structure 6, thereby control circuit, in the embodiment, in the use, directly insert switch structure 4's binding post on the PCB board, with the whole circuit of even income of switch, switch structure 4's binding post this moment can fix switch structure 4 and PCB board as the connecting piece, and simultaneously, the downside of shell is equipped with fixed foot 11, fixed foot 11 this moment also can pass the hole that is equipped with on the PCB board, it is fixed with the PCB board again to fix foot 11, can further improve the firm degree between overall structure and the PCB board, of course, shell this moment also has the guard action, a whole for protect rocker switch, avoid receiving external influence.

As shown in fig. 2 and 3 to 6, the switch structure 4 includes a switch base 41 and a switch housing 42, a hollow structure is formed between the switch housing 42 and the switch base 41, the switch structure 4 further includes a first connection terminal 43, a second connection terminal 44 and a third connection terminal 45 fixed on the switch base 41 by two-step molding, at this time, the three connection terminals are exposed at both sides of the switch base 41, wherein the three connection terminal portions outside the switch base 41 are used for connecting with a PCB board, the three connection terminal portions inside the switch base 41 are used for communicating with a control circuit, at this time, the second connection terminal 44 and the third connection terminal 45 inside the switch base 41 are arranged opposite to each other, a gap is provided between the second connection terminal 44 and the third connection terminal 45, and particularly, at this time, the third connection terminal 45 is provided with a bend, and the shape of the third connection terminal 45 is changed by the bend, thereby forming a gap between the third connection terminal 45 and the second connection terminal 44, at least one opening is provided at the gap for setting the contact piece 46, the contact piece 46 is provided in the gap, the other end of the contact piece 46 is abutted against the first connection terminal 43, the middle part of the contact piece 46 is further provided with a pulling elastic piece 47 which is clamped, the other end of the pulling elastic piece is clamped with the switch base 41 or the first connection terminal 43, the contact piece 46 is contacted with the second contact terminal, the switch shell 42 is provided with a through hole, the through hole is provided with a pressing piece 49 which can move along the direction of the through hole, the inner side of the pressing piece is abutted against the pulling elastic piece, the outer side of the pressing piece protrudes out of the outer side surface of the switch shell 42, and the pressing piece acts on the stretching elastic piece 65 in the process of moving in the through hole, thereby the stretching elastic piece 65 can be deformed, and further, so that different circuits can be communicated, a rotary pressing contact piece 48 is further arranged on the switch shell 42, the inner surface of the pressing contact piece is abutted with the outer side surface of the pressing piece, namely, the position of the contact piece 46 can be controlled by pressing the contact piece 46, so that the contact piece 46 is controlled to be communicated with different wiring terminals, the pressing contact piece is pressed to deform the pulling elastic piece, and the contact piece 46 is separated from the second wiring terminal 44 and is contacted with the third wiring terminal 45.

Further, in order to improve the contact effect between the connection terminals, the contact positions of the second connection terminal 44, the third connection terminal 45 and the contact piece 46 are provided with the raised contact blocks 410, and the contact surfaces are converted from surface contact to line contact or point contact through the raised contact blocks 410, of course, in this embodiment, the first connection terminal 43, the second connection terminal 44, the third connection terminal 45, the contact piece 46 and the contact blocks 410 are all made of conductive metal.

Furthermore, as shown in fig. 8, the contact piece 46 includes an abutting portion 461, an arc portion 462, a clamping portion 463 and a contact portion 464, the abutting portion 461 is a right-angle structure, the first contact terminal 44 is provided with a right-angle groove 431 adapted to the abutting portion 461 of the contact piece 46 at a right angle, the inner side surface of the arc portion 462 faces the pulling elastic member 47, the clamping portion 463 is provided with a through hole clamped with the pulling elastic member 47, the contact block 410 is located at both sides of the contact portion 464, the right-angle structure of the abutting portion 461 of the contact piece 46 is clamped with the right-angle groove 431 on the first connection terminal 43, under the action of the stretching elastic member 6547, the contact piece 46 can be limited in the gap between the second connection terminal 44 and the third connection terminal 45, under the action of no external force acting on the stretching elastic member 6547, the contact piece 46 is connected to the second connection terminal 44, when, that is, when the pressing member 48 acts on the elastic extension member 65, the elastic extension member 65 is deformed to pull the engaging portion 463, and the arc portion 462 at this time is deformed to change the position of the contact portion, and the contact portion is separated from the second connection terminal 44 and brought into contact with the third connection terminal 45 to open and close the circuit, and when the force acting on the elastic extension member 65 disappears, the urging force of the elastic extension member 65 to the engaging portion 463 disappears, and the arc portion 462 is restored to the original position, so that the contact piece 46 is separated from the third connection terminal 45 and brought into contact with the second connection terminal 44.

Further, the pulling elastic member is a spring or a spring plate, and the position of the contact piece 46 can be changed by the pulling elastic member through deformation.

The four switch structures 4 are arranged, the four switch structures 4 form a rectangle, the rocker structure 6 is located in the center of the rectangle, the distance between the rocker structure 6 and each switch structure 4 is equal, specifically, the contact sheet in the switch structure 4 surrounds the outer side of the rocker structure 6 at the moment, and the connection and/or disconnection of the different switch structures 4 can be controlled when the rocker structure 6 is at different positions.

The rocker structure 6 structurally comprises a rocker shaft 61 penetrating through the upper fixing seat 5, a central ball 62 is arranged on the rocker shaft 61 on the upper side of the upper fixing seat 5, a pressing block structure 63 is sleeved on the rocker shaft 61 on the lower side of the upper fixing seat 5, a limiting part 64 clamped and connected is arranged at a position, close to the bottom, of the rocker shaft 61, an elastic part 65 is arranged between the limiting part 64 and the pressing block structure 63, and the elastic part 65 is sleeved on the outer side of the rocker shaft 61.

Further, an arc-shaped groove 51 matched with the central ball 62 is formed in the upper side of the upper fixing seat 5, a through hole is formed in the middle of the arc-shaped groove 51, the rocker shaft 61 penetrates through the through hole, and the central ball 62 is in contact with the arc-shaped groove 51.

Through the effect of center ball 62 and arc wall 51, rocker shaft 61 can rotate at the upside of last fixing base 5 this moment, at rocker shaft 61 pivoted in-process, the briquetting structure 63 position that is located the lower side of last fixing base 5 also can change, briquetting structure 63 at this moment can incline, when the slope, briquetting structure 63 can contact with switch structure 4 according to the contact, can extrude according to the contact promptly, thereby can control switch structure 4, after loosening rocker shaft 61, under the effect of elastic component 65, rocker shaft 61 and briquetting structure 63 can resume original position, briquetting structure 63 and switch structure 4 separate, thereby can accomplish switch structure 4's control.

Further, as shown in fig. 4, in order to facilitate the positioning of the elastic member 65 and reduce the overall height, an annular groove 631 is disposed at the bottom side of the pressing block structure 63, the elastic member 65 is clamped in the annular groove 631, the installation of the elastic member 65 can be facilitated, and meanwhile, under the action of the same elastic member 65, the height of the pressing block structure 63 can be reduced, so that the overall switch volume is smaller.

Wherein, as shown in fig. 2, fig. 3, fig. 9, be equipped with locating hole 411410 on the switch structure 4, go up and be equipped with on fixing base 5 and/or the lower fixing base 3 with the reference column 10 of locating hole 411 adaptation, locating hole 411 and reference column 10 joint are equipped with the locating hole 411 that runs through whole switch structure 4 on the switch structure 4 this moment, last fixing base 5 and lower fixing base 3 all are equipped with corresponding reference column 10 with switch structure 4 contact position, through the effect of reference column 10 and locating hole 411, can fix a position and fix switch structure 4, at this moment, it can carry out further fixed with overall structure to be equipped with the shell on the upside of last fixing base 5.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a rocker switch, includes the PCB board, its characterized in that, the fixed rocker switch that is equipped with on the PCB board, rocker switch includes fixing base down, be equipped with four switch structure down on the fixing base, the switch structure upside is equipped with the fixing base, go up the fixing base and still be equipped with the rocker structure who is used for controlling the switch structure intercommunication down between the fixing base, the rocker structure passes the supreme fixing base upside of fixing base, it is equipped with the shell that is used for fixed rocker switch to go up the fixing base outside, the shell is equipped with fixed foot, and fixed foot passes the PCB board and fixes with the PCB board.

2. The rocker switch of claim 1, wherein: the switch structure comprises a switch base and a switch shell, a hollow structure is formed between the switch shell and the switch base, the switch structure further comprises a first connecting terminal, a second connecting terminal and a third connecting terminal which are fixed on the switch base through secondary forming, the second connecting terminal and the third connecting terminal on the inner side of the switch base are arranged oppositely, a gap is arranged between the second connecting terminal and the third connecting terminal, a contact piece is arranged in the gap, the other end of the contact piece is abutted to the first connecting terminal, a pulling elastic piece is further arranged in the middle of the contact piece in a clamping manner, the other end of the pulling elastic piece is clamped with the switch base or the first connecting terminal, the contact piece is contacted with the second connecting terminal, a through hole is arranged on the switch shell, a pressing piece capable of moving along the direction of the through hole is arranged in the through hole, and the inner side, the outer side of the pressing piece protrudes out of the outer side face of the switch shell, a rotating pressing contact piece is further arranged on the switch shell, the inner surface of the pressing contact piece is abutted to the outer side face of the pressing piece, the pressing contact piece is pressed to enable the pulling elastic piece to deform, and the contact piece is separated from the second wiring terminal and is in contact with the third wiring terminal.

3. The rocker switch of claim 2, wherein: and raised contact blocks are arranged at the contact positions of the second connecting terminal, the third connecting terminal and the contact piece.

4. The rocker switch of claim 3, wherein: the contact piece includes butt portion, arc portion, joint portion and contact site, butt portion is the right angle structure, be equipped with on the first binding post with the right angle groove of contact piece butt portion right angle adaptation, arc portion medial surface is towards the pulling elastic component, be equipped with the through-hole with pulling elastic component joint in the joint portion, the contact piece is located the contact site both sides.

5. The rocker switch of claim 4, wherein: the pulling elastic piece is a spring or a shrapnel.

6. The rocker switch of any one of claims 1 to 5, wherein: the four switch structures form a rectangle, the rocker structures are located in the center of the rectangle, and the distances between the rocker structures and each switch structure are equal.

7. The rocker switch of claim 6, wherein: the rocker structure comprises a rocker shaft penetrating through an upper fixing seat, a center ball is arranged on the rocker shaft on the upper side of the upper fixing seat, a pressing block structure is sleeved on the rocker shaft on the lower side of the upper fixing seat, a limiting part clamped and connected is arranged at a position, close to the bottom, of the rocker shaft, an elastic part is arranged between the limiting part and the pressing block structure, and the elastic part is sleeved on the outer side of the rocker shaft.

8. The rocker switch of claim 7, wherein: an arc-shaped groove matched with the central ball is formed in the upper side of the upper fixing seat, a through hole is formed in the middle of the arc-shaped groove, the rocker shaft penetrates through the through hole, and the central ball is in contact with the arc-shaped groove.

9. The rocker switch of claim 7 or 8, wherein: the briquetting structure is square structure, the bottom side of briquetting structure is equipped with the annular groove, the elastic component joint is in the annular groove.

10. The rocker switch of claim 1, wherein: the switch structure is provided with a positioning hole, the upper fixing seat and/or the lower fixing seat is/are provided with a positioning column matched with the positioning hole, and the positioning hole is clamped with the positioning column.