CN216288086U

CN216288086U - Durable light touch switch

Info

Publication number: CN216288086U
Application number: CN202123176949.1U
Authority: CN
Inventors: 黄其华
Original assignee: Yueqing Oen Electronics Co ltd
Current assignee: Yueqing Oen Electronics Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-12
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a durable light-touch switch, which comprises a base, a clamping piece terminal, a reed, a button and a cover plate, and is characterized in that: the base is internally provided with an arc-shaped groove, the reed is abutted against the arc-shaped groove, a sealing ring is arranged between the reed and the arc-shaped groove, the base is provided with a first magnet positioned in the reed, the reed is provided with a second magnet with the magnetic pole repulsive to the first magnet, and the reed is also internally provided with a conductive piece which is arranged right opposite to the clamping piece terminal.

Description

Durable light touch switch

Technical Field

The present invention relates to a tact switch, and more particularly, it relates to a durable tact switch.

Background

The light-touch switch is an electronic switch, belongs to the class of electronic components, and has the advantages of small contact resistance load, accurate operation force error, diversified specifications and the like. The tact switch is widely used, and is widely used as an operation switch disposed on a side surface of a mobile phone such as a tablet personal computer and a smart phone, and also in the case of using a side-press-operated tact switch in other electronic devices. The tact switch has a variety of types, but most tact switches are composed of parts such as an insert, a base, an elastic sheet, a button, a cover plate and the like.

However, in the existing touch switch in the market, the switch is usually rebounded only by the elasticity of the reed to conduct and stop work, after the switch is used for a long time, the reed is inevitably worn, rebounding of the reed is influenced, the touch switch cannot be used, and the service life of the touch switch is shortened.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a durable light touch switch which has the functions of reducing the abrasion of reeds and prolonging the service life of the reeds.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a durable switch that dabs, includes base, fastener terminal, reed, button and apron, its characterized in that: the base is internally provided with an arc-shaped groove, the reed is abutted to the arc-shaped groove, a sealing ring is arranged between the reed and the arc-shaped groove, the base is provided with a first magnet positioned in the reed, the reed is provided with a second magnet with the magnetic pole repulsive to the first magnet, a conductive piece is further arranged in the reed, and the conductive piece is arranged right opposite to the clamping piece terminal.

By adopting the technical scheme, when the button is pressed down, the reed moves downwards to drive the conductive piece to be in contact with the clamping piece terminal so as to conduct a circuit, the stroke of the reed is shorter, metal fatigue is reduced, after the button is released, the magnetic poles of the first magnet and the second magnet repel each other to help the reed to elastically reset, the service life of the reed is longer, and after the reed loses elasticity, the first magnet and the second magnet can still drive the reed to reset, so that the service life of the light touch switch is prolonged; the inner part of the reed is sealed relative to the outer part of the reed through the arrangement of the sealing ring, and the phenomenon that the magnet in the reed adsorbs magnetic dust to reduce the magnetic force of the magnet is avoided.

The utility model is further configured to: the base is equipped with the fixed slot outward, the fastener terminal includes stiff end and extension end, the stiff end is located the base, the extension end extends the base and is located the fixed slot and set up.

Through adopting above-mentioned technical scheme, the fixed slot is fixed the extension end, avoids the extension end to receive the exogenic action to shift, leads to the mutual contact between the fastener terminal.

The utility model is further configured to: the base is provided with a groove, and the end part of the extension end is positioned in the groove.

The utility model is further configured to: the cover plate is provided with a bulge, and the protruding direction of the bulge is the same as the position direction of the extending end on the base.

By adopting the technical scheme, the user is connected with the positioning hole of the circuit board through the bulge, and the position fixation of the touch switch patch after welding is enhanced.

The utility model is further configured to: the base is provided with a buckling step, and the cover plate is provided with a buckle matched with the buckling step.

Through adopting above-mentioned technical scheme, buckle and detain a ladder lock for it is more firm to be connected between apron and the base.

The utility model is further configured to: the conductive piece is sleeved with conductive rubber, and the button is provided with a rubber layer.

By adopting the technical scheme, the conductive rubber is sleeved on the contact surface of the conductive piece and the fixed end, so that the abrasion between the conductive piece and the fixed end is reduced; the rubber layer reduces the abrasion between the button and the reed, and prolongs the service life of the tact switch.

The utility model is further configured to: the side wall in the base is provided with a side plate, the side plate is provided with a return spring, one end of the return spring is abutted against the side plate, and the other end of the return spring is abutted against the button.

Through adopting above-mentioned technical scheme, on time under the button, reset spring receives the compression of pressure, and after the user loosened the button, reset spring elasticity reset drive button return to make magnet and reed drive button return more easily.

In conclusion, the utility model has the following beneficial effects:

the utility model realizes circuit conduction by the contact of the conductive piece and the clamping piece terminal, so that the stroke of the reed is shorter, and the metal fatigue of the reed is reduced; and through the repulsion effort between first magnet and the second magnet and the elasticity of reset spring, help the reed elasticity to reset, prolonged the life of reed to when the reed loses elasticity back, first magnet and second magnet still can drive the reed and reset, realize the closure and the disconnection of circuit, the life of touch switch is longer.

The conductive rubber is sleeved on the contact surface of the conductive piece and the fixed end, so that the abrasion between the conductive piece and the fixed end is reduced; the rubber layer reduces the abrasion between the button and the reed, thereby further prolonging the service life of the tact switch.

The extension end is fixed through the fixing groove, so that the situation that the extension end is displaced under the action of external force, the clamping piece terminals are contacted with each other, the device cannot be normally used is avoided, and the service life of the light touch switch is longer.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic sectional view of the present embodiment;

fig. 3 is a sectional view of the terminal of the card member of the present embodiment.

Reference numerals: 1. a base; 10. a second magnet; 11. an arc-shaped slot; 12. a seal ring; 13. fixing grooves; 14. a groove; 15. buckling a step; 16. a side plate; 17. a return spring; 2. a card member terminal; 21. a fixed end; 22. an extension end; 3. a button; 31. a rubber layer; 4. a cover plate; 41. a protrusion; 42. buckling; 5. a reed; 51. a first magnet; 52. a conductive member; 53. a conductive rubber.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a durable light touch switch, as shown in fig. 1-3, comprising a base 1, a clamping piece terminal 2, a reed 5, a button 3 and a cover plate 4 which are arranged in a square shape, wherein the base 1 is made of rubber materials, the clamping piece terminal 2 is made of metal materials, when the durable light touch switch is produced, the clamping piece terminal 2 is arranged in the base 1 and directly molded by injection, a soft rubber layer 31 is arranged at the contact part of the bottom of the button 3 and the reed 4, so that the abrasion of the reed 5 generated when the button 3 presses the reed 4 is reduced, an arc-shaped groove 11 is arranged in the base 1, the arc-shaped groove 11 is abutted against the reed 5 so as to fix the reed 5, a first magnet 51 in the reed 5 is arranged on the base 1, a second magnet 10 which is repellent to the first magnet 51 is arranged above the inner part of the reed 5, the mutual repulsion force between the two magnets plays an auxiliary role in resetting of the reed 5 after being pressed, the metal fatigue of the reed 5 is reduced, the sealing ring 12 is arranged between the reed 5 and the arc-shaped groove 11, so that the interior of the reed 5 is sealed relative to the exterior of the reed 5, the magnet in the reed 5 can be prevented from adsorbing micro dust in the air, the magnetic force of the magnet is prevented from being reduced due to the influence of dust, a conductive piece 52 which is right opposite to the clamping piece terminal 2 is also arranged in the reed 5, the button 3 is contacted and communicated with the clamping piece terminal 2 through the conductive piece 52 after being pressed, the downward moving stroke of the reed 5 is shortened, the metal fatigue of the work of the reed 5 is reduced, the service life of the reed 5 is longer, the conductive piece 52 is provided with conductive rubber 53 at the contact part of the conductive piece 52 and the clamping piece terminal 2, the mutual contact wear between the conductive piece and the clamping piece terminal is smaller, the device is more durable, the side plate 16 which extends transversely is arranged on the inner side wall of the base 1, the return spring 17 is arranged on the side plate 16, and the return spring 17 is compressed after the button 3 is pressed, after the user releases the button 3, the return spring 17 elastically returns to assist the return of the spring 5 together with the first magnet 51 and the second magnet 10.

Further, as shown in fig. 3, a fixing groove 13 is provided outside the base 1, the card member terminal 2 includes a fixing end 21 and an extension end 22, the fixing end 21 of the card member terminal 2 is located inside the base 1 for fixing, and the extension end 22 extends out of the base 1 to be bent downwards and rightwards to be fixed through the fixing groove 13, so that after the card member terminal 2 is impacted by an external force, the extension end 22 is limited by the fixing groove 13 and is not easy to be displaced, thereby avoiding the phenomenon that the extension end 22 of the card member terminal 2 is displaced to contact with each other to cause the tact switch to be unable to be used normally, the device has a longer service life, the base 1 is further provided with a groove 14, the extension end 22 extends out of the fixing groove 13 and is bent upwards to extend into the groove 14 at the bottom of the base 1, the card member terminal 2 is further fixed, protrusions 41 are provided on both sides of the cover plate 4, and the protrusion direction of the protrusions 41 is the same as the position direction of the extension end 22 located on the base 1, the user fixes or positions through the through hole on protruding 41 and the circuit board, and the below of base 1 is equipped with detains a ladder 15, and buckle 42 on the apron 4 is buckled with detaining a ladder 15, makes and is connected closely between apron 4 and the base 1.

When a user presses the button 3, the return spring 17 is compressed, and the rubber layer 31 at the lower end of the button 3 abuts against the reed 5 to drive the reed 5 to move downwards, so that the conductive piece 52 is contacted with the clamping piece terminal 2, and the circuit is closed; after the user releases the button 3, the second magnet 10 drives the first magnet 51 to move upwards, and the return spring 17 is elastically returned, so that the spring 5 is returned to reduce metal fatigue, and the spring 5 has longer service life.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a durable switch that dabs, includes base (1), fastener terminal (2), reed (5), button (3) and apron (4), its characterized in that: be equipped with arc wall (11) in base (1), reed (5) and arc wall (11) counterbalance setting, be equipped with sealing washer (12) between reed (5) and arc wall (11), base (1) is equipped with first magnet (51) that are located reed (5), reed (5) are equipped with second magnet (10) that repel each other with first magnet (51) magnetic pole, still be equipped with electrically conductive piece (52) in reed (5), electrically conductive piece (52) just set up fastener terminal (2).

2. A durable tact switch according to claim 1 wherein: the base (1) is equipped with fixed slot (13) outward, fastener terminal (2) are including stiff end (21) and extension end (22), stiff end (21) are located base (1), extension end (22) extend base (1) and are located the setting in fixed slot (13).

3. A durable tact switch according to claim 2, wherein: the base (1) is provided with a groove (14), and the end part of the extension end (22) is positioned in the groove (14).

4. A durable tact switch according to claim 2, wherein: the cover plate (4) is provided with a protrusion (41), and the protruding direction of the protrusion (41) is the same as the position direction of the extension end (22) on the base (1).

5. A durable tact switch according to claim 1 wherein: the base (1) is provided with a buckling step (15), and the cover plate (4) is provided with a buckle (42) matched with the buckling step (15).

6. A durable tact switch according to claim 1 wherein: the conductive piece (52) is sleeved with conductive rubber (53), and the button (3) is provided with a rubber layer (31).

7. A durable tact switch according to claim 1 wherein: the side wall in the base (1) is provided with a side plate (16), the side plate (16) is provided with a return spring (17), one end of the return spring (17) is abutted against the side plate (16), and the other end of the return spring is abutted against the button (3).