CN220821355U

CN220821355U - Tact switch

Info

Publication number: CN220821355U
Application number: CN202322613712.8U
Authority: CN
Inventors: 赵高福
Original assignee: Yueqing Gaofu Electronic Co ltd
Current assignee: Yueqing Gaofu Electronic Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-19
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a tact switch which comprises a base and a cover body, wherein limit strips are arranged at the left end and the right end of the cover body, buckles are arranged at the front end and the rear end of the cover body, clamping blocks are arranged at the front end and the rear end of the base, clamping grooves are formed in the front end and the rear end of the base below the clamping blocks, a point contact cavity is formed in the base, a reed is arranged in the point contact cavity, and a round hole is formed in the middle of the reed. According to the utility model, the round hole is formed in the middle of the reed, so that noise generated by the reed when pressed by the stress can be reduced, the effect of low noise is achieved, and the practicability is better; and the lower opening of the buckle is designed in a V-shaped structure, so that a clamping mode of uniform transmission is replaced, the clamping is more compact and firm, and the waterproof performance of the buckle can be improved.

Description

Tact switch

Technical Field

The utility model relates to the technical field of tact switches, in particular to a tact switch.

Background

When the touch switch is used, the switch function is pressed to be closed and connected in the switch operation direction under the condition of meeting the operation force, and when the pressure is removed, the switch is opened, and the internal structure is switched on and off by the stress change of the metal elastic sheet.

In the prior art, some defects still exist in daily use of the tact switch: firstly, in use, larger noise can occur in the process of pressing the switch, and the switch is not suitable for equipment with higher noise environment control; secondly, the cover shell and the base of the existing tact switch are connected through clamping, and the cover shell and the base are easy to separate in the long-term.

Disclosure of Invention

The utility model aims to provide a tact switch which solves the problems that in the first mentioned in the background art, in the use process, larger noise can occur in the process of pressing the switch, and the tact switch is not suitable for equipment with higher noise environment control; secondly, the cover shell and the base of the existing tact switch are connected through clamping, and the cover shell and the base are easy to separate in the long-term.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dab switch, includes base and lid, both ends are provided with spacing about the lid, both ends are provided with the buckle around the lid, both ends are provided with the fixture block around the base, just both ends lie in the fixture block below and have been seted up the draw-in groove around the base, set up some touch chamber in the base, some touch intracavity is provided with the reed, the round hole has been seted up at the reed middle part.

Preferably, a through hole is formed in the middle of the surface of the cover body, and the cover body is connected with a key through a limit strip.

Preferably, the button includes bottom plate and pressing block, pressing block fixed connection is in the middle of the bottom plate top, swing joint has pressing block in the through-hole, just the through-hole is with pressing block adaptation.

Preferably, the lower part of the buckle is arranged in a V-shaped structure at the clamping groove, the buckle is clamped in the clamping groove, and the top surface of the buckle is propped against the bottom surface of the clamping block.

Preferably, the reed consists of a large end face and a small end face, the small end face is positioned above the large end face, and the reed is in a circular truncated cone-shaped structural design.

Preferably, a contact position is arranged in the middle of the point contact cavity, three contact points are arranged at the top of the contact position, and the top of each contact point is contacted with the bottom of the small end face.

Preferably, the key is made of a silica gel material.

Preferably, the top of the base is fixedly connected with a sealing ring.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the round hole is formed in the middle of the reed, so that noise generated by the reed when pressed by the stress can be reduced, the effect of low noise is achieved, and the practicability is better; and the lower opening of the bayonet is designed in a V-shaped structure, so that a clamping mode of uniform transmission is replaced, the clamping is more compact and firm, and the waterproof performance of the bayonet can be improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a tact switch according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a touch switch according to the present utility model;

FIG. 3 is a schematic view of a base structure of a tact switch according to the present utility model;

FIG. 4 is a schematic diagram of a cover structure of a tact switch according to the present utility model;

FIG. 5 is a schematic diagram of a reed structure of a tact switch according to the present utility model;

fig. 6 is a schematic diagram of a key structure of a touch switch according to the present utility model.

1. A cover body; 2. a base; 3. a key; 4. a clamping block; 5. a point contact cavity; 6. a contact location; 7. a reed;

11. A buckle; 12. a limit bar; 13. a through hole; 21. a clamping groove; 22. a seal ring; 31. pressing the blocks; 32. a bottom plate;

61. a contact point; 71. a small end face; 72. a large end face; 73. and a round hole.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction, construct and operate in the specific direction, and thus are not to be construed as limiting the present utility model. 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.

Fig. 1-6 are schematic structural diagrams of a tact switch according to a preferred embodiment of the present utility model, in which the tact switch includes a base 2 and a cover 1, and the limit bars 12 are disposed at the left and right ends of the cover 1, the buckles 11 are disposed at the front and rear ends of the cover 1, the clamping blocks 4 are disposed at the front and rear ends of the base 2, the clamping grooves 21 are disposed below the clamping blocks 4 at the front and rear ends of the base 2, the point-contact cavity 5 is disposed in the base 2, the reed 7 is disposed in the point-contact cavity 5, and the round hole 73 is disposed in the middle of the reed 7, so that the noise reduction characteristic of the reed 7 in the pressing process can be realized.

In this embodiment, through offer through-hole 13 with this movable space that provides press piece 31 at lid 1 surface middle part, be connected with button 3 at lid 1 through spacing 12, through spacing 12's setting for can control when lid 1 installs spacing, effectively prevent lid 1 and base 2 in the installation, the circumstances that the mounted position skew appears, and can also have certain spacing through the influence of frictional force, effectively prevent the phenomenon that the tact switch is very easy to drop at the equipment in-process button.

In this embodiment, the key 3 includes a bottom plate 32 and a pressing block 31, and the pressing block 31 is movably connected in the through hole 13 through the middle of the top of the bottom plate 32 fixedly connected with the pressing block 31, and the through hole 13 is adapted to the pressing block 31, so that better assembly is achieved.

In this embodiment, the V-shaped structure is disposed below the clip 11 at the clip slot 21, so that the design of this structure can increase the bonding strength of itself, and increase the contact area between the clip 11 and the bottom of the clip 4, so that the effect of firmer clipping can be achieved, and the clip 11 is clipped in the clip slot 21, and the top surface of the clip 11 abuts against the bottom surface of the clip 4.

In this embodiment, the reed 7 is composed of a large end face 72 and a small end face 71, and the small end face 71 is located above the large end face 72, the reed 7 is designed in a circular truncated cone structure, and by means of the design of this structure, the contact area of the reed 7 under pressing can be increased, so that the contact effect is better.

In this embodiment, the contact position 6 is disposed in the middle of the contact cavity 5, three contact points 61 are disposed at the top of the contact position 6, and the arrangement of this structure replaces only one contact point 61 on the conventional contact position, so that the problem that after the reed 7 is repeatedly used, fatigue strength is easily reduced, the contact form is affected, and the reed 7 is pushed by pressing the key 3, so that the top of the contact point 61 contacts with the bottom of the small end face 71 of the reed is solved.

In this embodiment, the key 3 is made of a silica gel material, and the structure of the key can increase the waterproof property and the sealing property of the tact switch.

In this embodiment, the sealing ring 22 is fixedly connected to the top of the base 2, and the sealing ring 22 is matched with the base 32 of the key 3, so that the tightness and the waterproof performance of the structure are improved.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a tact switch, includes base (2) and lid (1), its characterized in that: the novel anti-theft cover is characterized in that limiting strips (12) are arranged at the left end and the right end of the cover body (1), buckles (11) are arranged at the front end and the rear end of the cover body (1), clamping blocks (4) are arranged at the front end and the rear end of the base (2), clamping grooves (21) are formed in the front end and the rear end of the base (2) below the clamping blocks (4), a point-contact cavity (5) is formed in the base (2), a reed (7) is arranged in the point-contact cavity (5), and round holes (73) are formed in the middle of the reed (7).

2. A tact switch in accordance with claim 1, wherein: through holes (13) are formed in the middle of the surface of the cover body (1), and the cover body (1) is connected with keys (3) through limit strips (12).

3. A tact switch in accordance with claim 2, wherein: the button (3) comprises a bottom plate (32) and a pressing block (31), the pressing block (31) is fixedly connected to the middle of the top of the bottom plate (32), the pressing block (31) is movably connected in the through hole (13), and the through hole (13) is matched with the pressing block (31).

4. A tact switch in accordance with claim 1, wherein: the buckle (11) is arranged below the clamping groove (21) in a V-shaped structure, the buckle (11) is clamped in the clamping groove (21), and the top surface of the buckle (11) abuts against the bottom surface of the clamping block (4).

5. A tact switch in accordance with claim 1, wherein: the reed (7) consists of a large end face (72) and a small end face (71), the small end face (71) is located above the large end face (72), and the reed (7) is of a circular truncated cone-shaped structure design.

6. A tact switch in accordance with claim 1, wherein: the middle part is provided with contact position (6) in touch chamber (5), contact position (6) top is provided with three contact point (61), the top of contact point (61) is contacted with little terminal surface (71) bottom.

7. A tact switch in accordance with claim 3, characterized in that: the key (3) is made of silica gel materials.

8. A tact switch in accordance with claim 1, wherein: the top of the base (2) is fixedly connected with a sealing ring (22).