CN221226080U

CN221226080U - Tact switch

Info

Publication number: CN221226080U
Application number: CN202323153919.8U
Authority: CN
Inventors: 赵高福
Original assignee: Yueqing Gaofu Electronic Co ltd
Current assignee: Yueqing Gaofu Electronic Co ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-06-25
Anticipated expiration: 2033-11-22

Abstract

The utility model discloses a tact switch, which comprises a base, wherein an installation cavity is formed in the base, the installation cavity comprises a storage cavity and a connecting cavity, the periphery of the storage cavity is respectively provided with the connecting cavity, the connecting cavity is communicated with a cavity between the storage cavity, a first contact part is fixedly connected in the connecting cavity, a second contact part is fixedly connected in the middle part of the storage cavity, and the first contact part and the second contact part are mutually separated through a separation groove. The contact position of the tact switch is increased and the contact form is improved by arranging the first contact part and the second contact part, so that the problem that the tact switch cannot be used due to insufficient stroke is solved, and the tact switch is good in practicality.

Description

Tact switch

Technical Field

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

Background

The touch switch is also called a key switch, and is firstly turned on and turned off by pressing the switch function in the switch operation direction under the condition of meeting the operating force when being used in Japan, and the switch is turned off when the pressure is withdrawn, the internal structure of the touch switch is turned on and off by the stress change of the metal spring plate, and the touch switch has the advantages of small contact resistance load, accurate operating force error, diversified specifications and the like, and is widely applied to electronic equipment, white household appliances and the like, because the touch switch directly replaces large-scale equipment and high-load switch buttons under the environmental condition with conductive rubber or metal spring plates of the dome switch.

In the prior art, when the tact switch is used, as most manufacturers design the tact switch to be provided with a contact point at the middle part of the base, when the tact switch is used, the shrapnel of the tact switch cannot be contacted with the contact point due to the insufficient stroke in the process of pressing the shrapnel, so that the tact switch cannot complete the function of the tact switch.

Disclosure of Invention

The utility model aims to provide a tact switch, which solves the problem that when the tact switch is used, as most manufacturers design the tact switch to be provided with a contact point at the middle part of a base, when the tact switch is used, the spring plate of the tact switch cannot be contacted with the contact point due to insufficient stroke in the process of pressing the spring plate, so that the tact switch cannot complete the function of the tact switch.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tact switch, has offered the installation cavity in including base and the base, the installation cavity is including accomodating chamber and connecting chamber, accomodate the chamber and offered the connecting chamber all around respectively, just connect the chamber and accomodate between the chamber and communicate with each other, connect intracavity fixedly connected with first contact, accomodate intracavity middle part fixedly connected with second contact, separate the setting each other through the partition groove between first contact and the second contact.

Preferably, the mounting cavity is internally provided with an elastic piece, the elastic piece comprises a movable terminal and a contact terminal, the contact terminal is fixedly connected to the outer wall of the movable terminal, and the contact terminal is arranged around.

Preferably, the contact terminal and the movable terminal are designed in an integrated structure.

Preferably, the left side and the right side of the outer wall of the base are respectively and fixedly connected with a fixed block.

Preferably, the pressing device is arranged at the top of the base, a sealing baffle is arranged between the bottom of the pressing device and the top of the base, and the sealing baffle is fixedly connected to the top of the base.

Preferably, the pressing device comprises a pressing cap and a convex hull, a pressing cavity is formed in the middle of the bottom of the pressing cap, and the convex hull extending downwards is fixedly connected in the pressing cavity.

Preferably, the pressing device is made of a silicone material.

Preferably, the top cover of pressing the cap is equipped with the lid, lid left and right sides fixedly connected with the buckle of fixed block adaptation, just buckle and fixed block bottom surface joint, both ends fixedly connected with limiting plate around the lid, just the inner wall of limiting plate contacts with the base outer wall.

Preferably, the buckle adopts a V-shaped structural design.

Advantageous effects

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

The contact position of the tact switch is increased and the contact form is improved by arranging the first contact part and the second contact part, so that the problem that the tact switch cannot be used due to insufficient stroke is solved, and the tact switch is good in practicality.

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 diagram of an internal structure of a tact 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 pressing device of a tact switch according to the present utility model;

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

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

1. A base; 2. a cover body; 3. a pressing device; 4. a spring plate; 11. a mounting cavity; 12. a first contact portion;

13. A second contact portion; 14. a partition groove; 15. a fixed block; 16. a sealing baffle; 21. a buckle;

22. A limiting plate; 31. pressing the cap; 32. convex hulls; 33. a pressing chamber; 41. a movable terminal; 42. a contact terminal; 111. a storage chamber; 112. and a connecting cavity.

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 views of a draw-out type switchgear set according to a preferred embodiment of the present utility model, in this embodiment, a tact switch includes a base 1 and a mounting cavity 11 formed in the base 1, by providing the mounting cavity 11 with a spring plate 4, the mounting cavity 11 includes a receiving cavity 111 and a connecting cavity 112, the periphery of the receiving cavity 111 is respectively formed with the connecting cavity 112, and the connecting cavity 112 is communicated with a cavity between the receiving cavity 111, a first contact portion 12 is fixedly connected in the connecting cavity 112, a second contact portion 13 is fixedly connected in a middle portion of the receiving cavity 111, and the first contact portion 12 and the second contact portion 13 are separated from each other by a separation groove 14.

In the present embodiment, the spring plate 4 is disposed in the mounting cavity 11, and the spring plate 4 includes a movable terminal 41 and a contact terminal 42, the contact terminal 42 is fixedly connected to the outer wall of the movable terminal 41, the movable terminal 41 contacts the second contact portion 13, the contact terminal 42 contacts the first contact portion 12, and the contact terminal 42 is disposed around.

In the present embodiment, the contact terminal 42 and the movable terminal 41 are integrally formed, and the arrangement of the structure improves the connection strength of the spring 4 and increases the fatigue strength of the spring 4.

In this embodiment, the left and right sides of the outer wall of the base 1 are fixedly connected with fixing blocks 15, respectively.

In this embodiment, the pressing device 3 is configured at the top of the base 1, and the sealing baffle 16 is configured between the bottom of the pressing device 3 and the top of the base 1, so that when the tact switch is used in a high dust environment, after impurities such as dust enter the installation cavity 11, the phenomenon that the tact switch is in poor contact during use occurs, meanwhile, the sealing baffle 16 is fixedly connected to the top of the base 1, and is matched with the bottom of the pressing device 3, and the pressing device 3 is made of silica gel, so that the bottom of the pressing device 3 is tightly attached to the sealing baffle 16, and thus, the entry of dust is effectively prevented.

In this embodiment, the pressing device 3 includes a pressing cap 31 and a convex hull 32, a pressing cavity 33 is formed in the middle of the bottom of the pressing cap 31, and the convex hull 32 extending downward is fixedly connected in the pressing cavity 33, when in use, by pressing the pressing cap 31, the inner wall of the pressing cavity 33 is thinner, so that the pressing cap 31 deforms and moves downward, the movable terminal 41 in the elastic sheet 4 is pressed against the convex hull 32, the movable terminal 41 is pressed downward and deformed, and meanwhile, the contact terminal 42 extends outward for a certain distance to contact with the first contact portion 12, for example, the movable terminal 41 fails to contact with the second contact portion 13, and the contact between the first contact portion 12 and the contact terminal 42 can also enable the tact switch to be used normally. Thereby solving the problems set forth in the background art.

In the present embodiment, the pressing device 3 is made of a silicone material, and its structural design replaces the conventional plastic material, increasing its durability and wear resistance, while reducing friction between the opening in the cap 31 and the cover 2 due to pressing.

In this embodiment, cover the top cover that is pressing the cap 31 is equipped with lid 2, the buckle 21 with fixed block 15 adaptation is fixedly connected with in lid 2 left and right sides, and buckle 21 and fixed block 15 bottom surface joint, thereby realize fixed effect, strengthen simultaneously to pressing the bottom of cap 31 and sealing baffle 16 between closely laminating degree, both ends fixedly connected with limiting plate 22 around lid 2, and limiting plate 22's inner wall contacts with base 1 outer wall, play a spacing effect, prevent to appear being located between lid 2 and the base 1.

In this embodiment, the buckle 21 adopts a V-shaped structure design, and the structure thereof is arranged, so that the manufacturing cost can be reduced and the clamping strength can be increased.

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, has offered installation cavity (11) in base (1) and base (1), its characterized in that: the installation cavity (11) is including accomodating chamber (111) and connecting chamber (112), accomodate chamber (111) and offered respectively all around connecting chamber (112), just connect chamber (112) and accomodate between chamber (111) cavity and communicate with each other, fixedly connected with first contact (12) in connecting chamber (112), middle part fixedly connected with second contact (13) in accomodating chamber (111), separate setting each other through separating groove (14) between first contact (12) and the second contact (13).

2. A tact switch in accordance with claim 1, wherein: the mounting cavity (11) is internally provided with an elastic piece (4), the elastic piece (4) comprises a movable terminal (41) and a contact terminal (42), the contact terminal (42) is fixedly connected to the outer wall of the movable terminal (41), and the contact terminal (42) is arranged in a surrounding mode.

3. A tact switch in accordance with claim 2, wherein: the contact terminal (42) and the movable terminal (41) are designed by adopting an integrated structure.

4. A tact switch in accordance with claim 1, wherein: the left side and the right side of the outer wall of the base (1) are respectively fixedly connected with a fixed block (15).

5. A tact switch in accordance with claim 4, wherein: the base (1) top is provided with a pressing device (3), a sealing baffle (16) is arranged between the bottom of the pressing device (3) and the top of the base (1), and the sealing baffle (16) is fixedly connected to the top of the base (1).

6. A tact switch in accordance with claim 5, wherein: the pressing device (3) comprises a pressing cap (31) and a convex hull (32), a pressing cavity (33) is formed in the middle of the bottom of the pressing cap (31), and the convex hull (32) extending downwards is fixedly connected in the pressing cavity (33).

7. The tact switch according to claim 6, wherein: the pressing device (3) is made of silica gel materials.

8. The tact switch according to claim 6, wherein: the top cover of pressing cap (31) is equipped with lid (2), lid (2) left and right sides fixedly connected with buckle (21) with fixed block (15) adaptation, just buckle (21) and fixed block (15) bottom surface joint, both ends fixedly connected with limiting plate (22) around lid (2), just the inner wall of limiting plate (22) contacts with base (1) outer wall.

9. A tact switch in accordance with claim 8, wherein: the buckle (21) adopts a V-shaped structural design.