CN218004680U

CN218004680U - Push switch structure

Info

Publication number: CN218004680U
Application number: CN202221433289.2U
Authority: CN
Inventors: 林锡埼
Original assignee: ZHUHAI WEIDA ELECTRONICS CO Ltd
Current assignee: ZHUHAI WEIDA ELECTRONICS CO Ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-12-09
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to a press switch structure, including pedestal and epitheca, the protruding base that is equipped with the portion of placing in pedestal one side, the inside plural terminal that wears to be equipped with of base, the protruding reference column that is equipped with in surface of the portion of placing, each terminal is equipped with the extension, the extension extends to one side of reference column has the stopper, the bottom surface of stopper is equipped with butt joint piece, plural terminal extends in one side of extension on the contrary has the terminal link, the subassembly is pressed to the equipment on the base, press the subassembly including the cover elastomer and the conductive elastic piece of locating on the reference column, conductive elastic piece both sides each incline down to extend has the contact site, and the protruding contact piece that establishes through welding process's mode formation of contact site top surface, this epitheca is assembled on the base, the concave holding in epitheca bottom is equipped with in the portion of should placing, this extension of this plural terminal and this press the second accommodation space of subassembly, and borrow and reach the enhancement by above-mentioned component the utility model discloses press switch's conducting capacity, can bear the efficiency of bigger electric current when making it use.

Description

Push switch structure

Technical Field

The utility model relates to a push switch structure indicates a mode processing procedure by means of welding process especially, makes butt joint department on the terminal form great butt joint piece and make and form the contact piece that corresponds the butt joint piece on the conductive elastic sheet, and then strengthens the utility model discloses push switch's electrically conductive ability makes the efficiency that can bear bigger electric current when it uses.

Background

In various electronic and electrical products, in addition to commonly used electronic components, a switch is provided, and the switch can switch on or off an electronic signal or a power supply through pressing or switching, so as to control the operations of the electronic and electrical products, for example: the push type direction lamp, the headlight, the far-reaching headlamp or the detection switch for opening and closing a trunk or the detection switch for the storage battery of the electric motor car in the locomotive handle can be used for a door tightness detection switch, a file-changing swing rod position detection switch and the like on the car, and is further used for a switch on household appliances (such as a dust collector, an air conditioner, a washing machine or an electric tool and the like).

However, the design of the push switch with multiple functions is different in terms of current carrying, so that the related manufacturers need to purchase and reserve switches with various current carrying magnitudes when producing commercial products, and further increase the development and manufacturing costs, which is the key point to be researched and improved by the manufacturers.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the above problems and disadvantages, it is an object of the present invention to provide a push switch structure capable of withstanding a large current through trial and error.

The utility model provides a push switch structure, including a pedestal and an epitheca, its characterized in that:

the base comprises a base, a placing part is convexly arranged on one side of the base, an assembling surface is formed on the periphery of the placing part, a plurality of terminals penetrate through the base, a positioning column positioned between the terminals is convexly arranged on the surface of the placing part, each terminal is provided with an extending part penetrating through the surface of the placing part, a limiting block extends from one side of the extending part of the terminals facing the positioning column, a butt-joint block formed by welding is arranged on the bottom surface of the limiting block, a terminal connecting end penetrating through the bottom surface of the base extends from one side opposite to the extending part of each terminal of the plurality of terminals, a pressing assembly is assembled on the base and comprises an elastic body sleeved on the positioning column and a conductive elastic sheet arranged on the elastic body and made of metal materials, a through hole is arranged in the conductive elastic sheet, contact parts obliquely extend downwards from two sides of the conductive elastic sheet, a contact part is arranged on the top surface of the contact part and corresponds to the butt-joint block and is formed by welding, and a movable body is arranged above the conductive elastic sheet;

the upper shell is assembled on the base, a second accommodating space which is accommodated in the placing part, the extending parts of the plurality of terminals and the pressing component is concavely arranged at the bottom of the upper shell, and a through hole which penetrates through the second accommodating space and is used for the pressing component to penetrate is arranged on one side of the top of the upper shell.

The push switch structure, wherein: the pressing body comprises a base which is pressed against the conductive elastic sheet, a containing space for the elastomer and the conductive elastic sheet to be placed in is concavely arranged on the bottom surface of the base, a bottom column which penetrates through the through hole and extends into the elastomer is convexly arranged in the containing space, a column body is convexly arranged on the top side of the base, a positioning groove is annularly and concavely arranged on the surface of one side of the column body in a surrounding mode, a dustproof cap body made of flexible materials is sleeved on the outer portion of the column body, and a through hole which is clamped into the positioning groove is penetratingly arranged at the top of the dustproof cap body.

The push switch structure, wherein: a limiting ring is arranged at the periphery of the through hole on the top surface of the upper shell, and an accommodating groove for the dustproof cap body to be arranged is formed in the limiting ring.

The push switch structure, wherein: the length of the bottom side of the base is 8.25mm, the width of the bottom side of the base is 6.30mm, and the length from the top side of the pressing body to the bottom side of the base is 11.60mm.

The push switch structure, wherein: the base is made of insulating materials, and a plurality of waterproof blocks are arranged on one side, opposite to the placing part, of the base.

The push switch structure, wherein: the bottom of the upper shell extends with a joint part which can be combined on the assembly surface by laser welding.

The push switch structure, wherein: the elastic body is a spring.

A push switch structure comprises a base and an upper shell, wherein:

the base comprises a base, a placing part is convexly arranged on one side of the base, an assembling surface is formed at the periphery of the placing part, a plurality of terminals penetrate through the base, a positioning column positioned between the terminals is convexly arranged on the surface of the placing part, each terminal is provided with an extending part penetrating through the surface of the placing part, a convex part extends from one side of the extending part of the plurality of terminals facing the positioning column, a butt-joint block formed by welding is arranged on the top side of the convex part, a terminal connecting end penetrating through the bottom surface of the base extends from one side opposite to the extending part of the plurality of terminals, a pressing assembly is assembled on the base and comprises an elastic body sleeved on the positioning column and a conductive elastic sheet arranged on the elastic body and made of metal materials, a through hole is arranged in the conductive elastic sheet, a contact part obliquely extends from two sides of the conductive elastic sheet, a contact block corresponding to the butt-joint block is arranged on the bottom side of the contact sheet, a contact block is formed by welding, and a movable body is arranged above the conductive elastic sheet;

The push switch structure, wherein: a limiting ring is arranged at the periphery of the through hole on the top surface of the upper shell, and an accommodating groove for accommodating the dustproof cap body is formed in the limiting ring.

The utility model discloses borrow this butt joint piece and this contact piece by above-mentioned processing procedure, in order to strengthen the utility model discloses press the switch's conducting capacity, can bear the efficiency of bigger electric current when making it use.

Drawings

Fig. 1 is a perspective view of the push switch structure of the present invention.

Fig. 2 is another perspective external view of the push switch structure of the present invention.

Fig. 3 is an exploded perspective view of the push switch structure of the present invention.

Fig. 4 is an exploded perspective view of the push switch structure of the present invention from another perspective.

Fig. 5 is a front side sectional view of the push switch structure of the present invention.

Fig. 6 is a rear side sectional view of the push switch structure of the present invention.

Fig. 7 is an exploded perspective view of another embodiment of the push switch structure of the present invention.

Fig. 8 is an exploded perspective view of another embodiment of the push switch structure of the present invention.

Fig. 9 is a front side sectional view of another embodiment of the push switch structure of the present invention.

Fig. 10 is a rear side sectional view of another embodiment of the push switch structure of the present invention.

The reference numbers illustrate: 1-a seat body; 11-a base; 111-a placement section; 112-assembly surface; 113-a waterproof block; 12-a terminal; 121-an extension; 1211-a stopper; 1212-butt-joint block; 1213-convex; 122-terminal connection end; 13-a positioning column; 14-a pressing assembly; 141-an elastomer; 142-a conductive dome; 1420-puncturing; 1421-contact; 1422-contact block; 143-pressing body; 1430-a containing space; 1431-base; 1432-bottom pillar; 1433-column; 1434-positioning slot; 144-a dust cap; 1441-through hole; 2-upper shell; 20-a second accommodating space; 21-a through hole; 22-a joint; 23-a stop collar; 230-a receiving groove; l1-length of the bottom side of the base; w1-width of the base bottom side; h1-the length from the top side of the pressure body to the bottom side of the base.

Detailed Description

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, which are a perspective view, a perspective view with another view angle, an exploded view, a perspective exploded view with another view angle, a front side sectional view for pressing, and a rear side sectional view for pressing of the push switch structure of the present invention, the push switch structure of the present invention mainly includes a base 1 and an upper case 2, and the connection relationship between the above components is as follows:

the base body 1 includes a base 11 made of insulating material, and a placing portion 111 is convexly disposed on one side of the base 11, and an assembling surface 112 is formed around the placing portion 111, and the placing portion 111 is disposed on the opposite side of the base 11 with a plurality of waterproof blocks 113, and a plurality of terminals 12 are disposed through the base 11, and a positioning column 13 disposed between the plurality of terminals 12 is convexly disposed on the surface of the placing portion 111, and each terminal 12 is disposed with an extending portion 121 penetrating through the surface of the placing portion 111, and a limiting block 1211 is extended from one side of the extending portion 121 of the plurality of terminals 12 facing the positioning column 13, and a butt-joint block 1212 is disposed on the bottom surface of each limiting block 1211, and a terminal connecting end 122 penetrating through the bottom surface of the base 11 is extended from the opposite side of each terminal 12 on the extending portion 121, and a pressing component 14 is assembled on the base 11, the pressing assembly 14 includes an elastic body 141 sleeved on the positioning post 13, and a conductive elastic piece 142 disposed on the elastic body 141 and made of metal material, wherein a through hole 1420 is disposed inside the conductive elastic piece 142, a contact portion 1421 is obliquely extended from each side of the conductive elastic piece 142, a contact block 1422 manufactured by welding is also protruded on the top surface of the contact portion 1421, a pressing body 143 is disposed above the conductive elastic piece 142, the pressing body 143 includes a base 1431 pressed against the conductive elastic piece 142, a receiving space 1430 for the elastic body 141 and the conductive elastic piece 142 to be inserted is concavely disposed on the bottom surface of the base 1431, a bottom post 1432 penetrating through the through hole 1420 and extending into the elastic body 141 is protruded inside the receiving space 1430, a column 1433 is protruded on the top side of the base 1431, a positioning groove 1434 is annularly and concavely arranged on the surface of one side of the column 1433 in a surrounding manner, a dustproof cap body 144 made of flexible material is sleeved outside the column 1433, and a through hole 1441 clamped in the positioning groove 1434 is arranged through the top of the dustproof cap body 144.

The bottom of the upper case 2 is concavely provided with a second accommodating space 20, one side of the top of the upper case 2 is provided with a through hole 21 penetrating into the second accommodating space 20, the bottom of the upper case 2 extends to form a joint portion 22, a limiting ring 23 is arranged around the through hole 21 on the top surface of the upper case 2, and an accommodating groove 230 is formed inside the limiting ring 23.

The terminals 12 are preferably formed by insert injection molding (insert molding) to be encapsulated in the base 11, but the invention is not limited thereto in practical application, and they can also be integrally formed or assembled with the base 11 by insert injection molding according to different practical requirements or structural designs.

The length L1 of the bottom side of the base 11 is 8.25mm, the width W1 is 6.30mm, and the length H1 from the top side of the pressing body 143 to the bottom side of the base 11 is 11.60mm, so that the space design of the structure module can be more effectively reduced by the design of the pressing switch structure with less space size.

When the push switch structure of the present invention is assembled, the base 11 of the seat 1 and the upper case 2 are combined, so that the placing portion 111 of the base 11, the extending portions 121 of the plurality of terminals 12, the positioning post 13 and the push component 14 are located in the second receiving space 20, the post 1433 on one side of the push component 143 of the push component 14 penetrates through the through hole 21 on the top of the upper case 2, the elastic body 141 of the push component 14 is sleeved on the positioning post 13, the top of the elastic body 141 is supported on the bottom surface of the conductive elastic sheet 142, and the contact portion 1421 extending obliquely downward on both sides of the conductive elastic sheet 142 is located below the stopper 1211 of the extending portion 121 of the terminal 12, so that the contact portion 1422 protruding on the surface of the contact portion 1421 abuts against the abutment block 1211 on the bottom surface of the stopper 1211, so as to conduct the electrical properties of the abutment block 1212 and the contact portion 1422 and position the protrusion 1422 on the inner wall surface of the dust-proof ring 1444 of the cap body 144, and the dust-proof cap can be assembled by passing through the dust-proof ring 1444 of the push switch structure, and the dust-proof cap 144, and the dust-proof cap can be assembled by passing through the dust-pressing ring 144.

The utility model discloses press the switch structure in the in-service use, can install wire rod seat (not shown) in the below department of this base 11 earlier, and this plural terminal 12 that wears to establish in this pedestal 1 sees through this terminal link 122 that links to each other and welds with plural wire rod (not shown) in this wire rod seat, in order to accomplish the equipment of this pedestal 1 and this wire rod seat, can be after having assembled this pedestal 1, see through pressing, apply force in this pressure body 143 of this pedestal 1, make this dustproof cap body 144 on this pressure subassembly 14 produce elastic compression deformation with pressing, and the bottom surface of this base 1431 of this pressure body 143 can support and press on the surface of this electrically conductive shell fragment 142, in order to make this electrically conductive shell fragment 142 displacement downwards, and make this elastomer 141 that this electrically conductive shell fragment 142 supported and press be a compression deformation state downwards, and this contact block 1422 of this electrically conductive shell fragment 142 both sides can separate with this butt joint piece 1212 on this plural terminal 12, in order to carry out the judgement and the change over switch's state of this electrical property.

The wire base can be coated with a waterproof adhesive (not shown) to cover the terminal connecting end 122 and the welding portion of the plurality of wires, the plurality of waterproof blocks 113 disposed on the bottom surface of the base 11 are also covered with the waterproof adhesive, and the portion coated with the waterproof adhesive is baked by a baking device (not shown) to solidify the waterproof block, so as to achieve the waterproof effect.

And the utility model discloses when the push switch structure will be closed, can remove the application of force that should press the body 143 to go on to make this elastomer 141 and this dustproof cap body 144 produce elasticity and reset, can take this electrically conductive shell fragment 142 to resume the normal position promptly, make this contact block 1422 of this electrically conductive shell fragment 142 both sides support again and hold in the below of this butt joint piece 1212 and produce and switch on, and then produce the electrical property and switch over, with the state of change switch, solve this and accomplish the utility model discloses the use of push switch structure.

Referring to fig. 7, 8, 9 and 10, an exploded perspective view, a sectional view from a front side and a sectional view from a rear side of the push switch structure according to another embodiment of the present invention is disclosed, which is substantially the same as that shown in fig. 1, 2, 3, 4, 5 and 6, and is different from that shown in fig. 1, 2, 4, 5 and 6 in that the plurality of terminals 12 are provided with an extending portion 121 penetrating the surface of the placing portion 111, a protruding portion 1213 is protruded from a side of the extending portion 121 facing the positioning post 13, a docking block 1212 is disposed on a top surface of each protruding portion 1213 by welding, and a contact block 1422 corresponding to the docking block 1212 and formed by welding is disposed on a bottom surface of the contact portion 1421 obliquely extending on each side of the conductive elastic sheet 142 disposed on the top of the elastic body 141, that is, by pressing and applying force to the pressing body 143 in the seat body 1, the dust-proof cap body 144 on the pressing component 14 generates elastic compression deformation along with the pressing, and the bottom surface of the base 1431 of the pressing body 143 is pressed against the surface of the conductive elastic sheet 142, so that the conductive elastic sheet 142 is displaced downward, and the elastic body 141 pressed against the conductive elastic sheet 142 is in a compression deformation state downward, and the contact blocks 1422 on both sides of the conductive elastic sheet 142 are pressed against the abutting blocks 1212 on the plurality of terminals 12 and are conducted, so as to determine the electrical switching and switch the state, and the rest structures disclosed in the embodiment are the same as those in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, so repeated descriptions are omitted here.

The utility model discloses a have following advantage:

a butt-joint block 1212 is formed on the extending portion 121 of the terminal 12 by means of welding, and a contact block 1422 is formed on both sides of the conductive elastic piece 142 corresponding to the butt-joint block 1212 by means of welding, so as to contact and press the butt-joint block 1212 and the contact block 1422 with increased size, thereby enabling the push switch structure of the present invention to bear larger current when in use.

The assembly surface 112 on the base 11 and the joint 22 on the upper case 2 can be bonded into a whole by laser melting to avoid bonding by ultrasonic welding, so that the base 11 and the plurality of terminals 12 can be stably bonded into a whole, and a gap is not easily generated between the base 11 and the plurality of terminals 12, thereby further improving the waterproof property and the effect of prolonging the service life of the utility model.

Third, the length of the base 11 is 8.25mm, the width is 6.30mm, and the length from the top side of the pressing body 143 to the bottom side of the base 11 is 11.60mm, which is a design with less space size that can be adopted by the push switch structure, so that the customer can more effectively reduce the space design of the structural module.

The foregoing description is intended to be illustrative, rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a push switch structure, includes a pedestal and an epitheca, its characterized in that:

the base comprises a base, a placing part is convexly arranged on one side of the base, an assembling surface is formed at the periphery of the placing part, a plurality of terminals penetrate through the base, a positioning column positioned between the plurality of terminals is convexly arranged on the surface of the placing part, each terminal is provided with an extending part penetrating through the surface of the placing part, a limiting block extends from one side of the extending part of the plurality of terminals facing the positioning column, a butt joint block formed by welding is arranged on the bottom surface of the limiting block, a terminal connecting end penetrating through the bottom surface of the base extends from one side opposite to the extending part of the plurality of terminals, a pressing component is assembled on the base and comprises an elastic body sleeved on the positioning column and a conductive elastic sheet arranged on the elastic body and made of metal, a through hole is arranged in the conductive elastic sheet, a contact part obliquely extends downwards from two sides of the conductive elastic sheet, a contact part is arranged on the top surface of the contact part, a contact block formed by welding corresponding to the butt joint block, and a contact block is arranged on the top surface of the contact sheet, and a pressing body is arranged above the front elastic sheet;

2. The push switch structure of claim 1, wherein: the pressing body comprises a base which is pressed against the conductive elastic sheet, an accommodating space for the elastomer and the conductive elastic sheet to be placed is concavely arranged on the bottom surface of the base, a bottom column which penetrates through the through hole and extends into the elastomer is convexly arranged in the accommodating space, a column body is convexly arranged on the top side of the base, a positioning groove is annularly and concavely arranged on the surface of one side of the column body in a surrounding manner, a dustproof cap body made of flexible materials is sleeved outside the column body, and a through hole which is clamped into the positioning groove is arranged at the top of the dustproof cap body in a penetrating manner.

3. The push switch structure of claim 2, wherein: a limiting ring is arranged at the periphery of the through hole on the top surface of the upper shell, and an accommodating groove for the dustproof cap body to be arranged is formed in the limiting ring.

4. The push switch structure of claim 1, wherein: the length of the bottom side of the base is 8.25mm, the width of the bottom side of the base is 6.30mm, and the length from the top side of the pressing body to the bottom side of the base is 11.60mm.

5. The push switch structure of claim 1, wherein: the base is made of insulating materials, and a plurality of waterproof blocks are arranged on the side, opposite to the placing part, of the base.

6. The push switch structure of claim 1, wherein: the bottom of the upper shell extends with a joint part which can be combined on the assembly surface by laser welding.

7. The push switch structure of claim 1, wherein: the elastic body is a spring.

8. A push switch structure comprises a base and an upper shell, and is characterized in that:

9. The push switch structure of claim 8, wherein: the pressing body comprises a base which is pressed against the conductive elastic sheet, a containing space for the elastomer and the conductive elastic sheet to be placed in is concavely arranged on the bottom surface of the base, a bottom column which penetrates through the through hole and extends into the elastomer is convexly arranged in the containing space, a column body is convexly arranged on the top side of the base, a positioning groove is annularly and concavely arranged on the surface of one side of the column body in a surrounding mode, a dustproof cap body made of flexible materials is sleeved on the outer portion of the column body, and a through hole which is clamped into the positioning groove is penetratingly arranged at the top of the dustproof cap body.

10. The push switch structure of claim 9, wherein: a limiting ring is arranged at the periphery of the through hole on the top surface of the upper shell, and an accommodating groove for accommodating the dustproof cap body is formed in the limiting ring.