Plug-in touch switch

Abstract

The utility model belongs to the technical field of light touch switches, and particularly relates to a plug-in light touch switch, which comprises a base, a cover plate is fixedly assembled at the top end of the base, a rotating tube is rotatably arranged on the inner wall of the base through a bearing, a moving disc is slidably arranged in the rotating tube, a reset spring is fixedly arranged between the top end of the moving disc and the bottom end of the cover plate, and the top end of the moving disc is fixedly provided with a spring. A lower pressing block is fixedly arranged at the bottom end of the moving disc, a wave-shaped limiting groove is formed in the inner wall of the rotating pipe, a limiting block is fixedly arranged on the moving disc, the limiting block is inserted into the wave-shaped limiting groove in a sliding mode, and a plurality of sets of electrostatic adsorption rods are fixedly arranged on the inner wall of the rotating pipe in an annular array mode. A first contact is fixedly arranged at the bottom end of the interior of the base, a metal dome is fixedly arranged at the top end of the first contact, through cooperation of the structures, when the button is pressed downwards, the electrostatic adsorption rod is linked to rotate and stir in the base, dust particles are effectively adsorbed and removed, self-cleaning can be achieved, the reliability is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of light touch switches, in particular to a plug-in light touch switch. Background Art

[0002] A touch switch, also known as a push button switch, is an electronic component with a switch function. It has the characteristics of small contact resistance, small operating error, and various specifications. Therefore, it has been widely used in various electronic products.

[0003] Existing touch switches are usually composed of structures such as inserts, bases, pots, buttons and covers. When in use, the touch switch relies on the force changes of the metal springs in the internal structure to achieve on-off actions. Specifically, when pressure is applied in the direction of the switch, the switch will close and be connected; when the pressure is removed, the switch will be disconnected.

[0004] The touch switch in the existing technology has the following disadvantages: after long-term use, dust and tiny particles are easily accumulated inside the base, and the dust may cause poor contact, short circuit or failure of the switch, accelerate aging, and thus affect the safety and reliability of the switch; therefore, a plug-in touch switch is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of existing touch switches and solve the problem that dust and tiny particles are easily accumulated inside the base after long-term use, the dust may cause poor contact, short circuit or failure of the switch, accelerate aging, and thus affect the safety and reliability of the switch, a plug-in touch switch is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: a plug-in touch switch described in the utility model comprises a base, a cover plate is fixedly mounted on the top of the base, the internal cavity of the base is cylindrical, a rotating tube is rotatably arranged on the inner wall of the base through a bearing, a moving disk is slidably arranged in the rotating tube, a through hole is opened on the top of the cover plate, a button is fixedly arranged on the top of the moving disk, the button slides through the through hole, a reset spring is fixedly arranged between the top of the moving disk and the bottom of the cover plate, and the bottom of the moving disk is fixedly arranged A downward pressing block is fixedly provided, a wavy limiting groove is opened on the inner wall of the rotating tube, a limiting block is fixedly provided on the movable plate, the limiting block is slidably inserted into the wavy limiting groove, an array of electrostatic adsorption rods are fixedly provided in a circular array on the inner wall of the rotating tube, a first contact is fixedly provided at the inner bottom end of the base, and a pot piece is fixedly provided at the top of the first contact. Through the cooperation between the above structures, the electrostatic adsorption rods will be linked to rotate and stir in the base when the button is pressed down, so as to effectively adsorb and remove dust particles, enable it to self-clean, and improve reliability and service life.

[0007] Preferably, assembly holes are provided at four corners of the top end of the cover plate, and the cover plate is fixedly assembled with the base via fixing rivets on the assembly holes, and the assembly of the cover plate and the base is completed through the cooperation of the above structure.

[0008] Preferably, two groups of guide grooves are provided on the button, and a guide block is fixedly provided on the inner wall of the through hole. The guide block is slidably inserted into the guide groove, and the stability of the button when moving is ensured by the cooperation between the guide groove and the guide block.

[0009] Preferably, a first pin and a second pin are fixedly provided at the bottom end of the base, a second contact is fixedly provided at the inner bottom end of the base, and the first pin and the second pin are connected to the first contact and the second contact respectively to ensure normal electrical connection of the structure.

[0010] Beneficial effects of the utility model:

[0011] The utility model provides a plug-in light touch switch. After the light touch switch is used for a long time, due to working environment factors such as high humidity and high temperature, oxidation will occur on the surface of the pot piece, causing poor contact, increasing contact resistance, resulting in insensitive or complete failure of the button, and reducing the service life. In key applications, such as medical equipment, poor contact will seriously affect the normal use of external electrical appliances and cause safety accidents. In order to solve the above problems, when the user presses the button, the button drives the moving disk to move downward and drives the limit block to move downward at the same time. The limit block slides in the wave-shaped limit groove, and the wave-shaped limit groove is wavy up and down. The downward movement of the limit block continuously rotates the wave-shaped limit groove, thereby rotating the rotating tube, and the rotating tube drives the electrostatic adsorption rod to rotate. The other end of the electrostatic adsorption rod contacts the surface of the pot piece and rubs its surface to remove the oxide layer, thereby preventing the pot piece from having poor contact, resulting in insensitive or complete failure of the light touch switch, improving its service life, and ensuring the normal use of the external electrical appliance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0013] Figure 1 It is a three-dimensional picture of the whole;

[0014] Figure 2 It is a cross-sectional view of the whole;

[0015] Figure 3 yes Figure 2 A magnified view of the structure at center A;

[0016] Figure 4 It is a cross-sectional view of the rotating tube and the wave-shaped limiting groove;

[0017] Legend:

[0018] 1. Base; 2. Cover plate; 3. Rotating tube; 4. Moving plate; 5. Through hole; 6. Button; 7. Reset spring; 8. Wave-shaped limit groove; 9. Limit block; 10. Electrostatic adsorption rod; 11. First contact; 12. Pot piece; 13. Fixed rivet; 14. Guide groove; 15. Guide block; 16. First pin; 17. Second pin; 18. Second contact; 19. Pressing block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Specific examples are given below.

[0021] See also Figure 1-Figure 4The utility model discloses a plug-in touch switch, comprising a base 1, a cover plate 2 is fixedly mounted on the top of the base 1, and assembly holes are provided at the four corners of the top of the cover plate 2. The cover plate 2 is fixedly mounted on the base 1 through fixing rivets 13 on the assembly holes. The internal cavity of the base 1 is cylindrical, and a rotating tube 3 is rotatably provided on the inner wall of the base 1 through a bearing, and a moving disk 4 is slidably provided in the rotating tube 3. A through hole 5 is provided on the top of the cover plate 2, and a button 6 is fixedly provided on the top of the moving disk 4, and the button 6 slides through the through hole 5. A return spring 7 is fixedly provided between the top of the moving disk 4 and the bottom of the cover plate 2, and a A lower pressing block 19 is provided on the inner wall of the rotating tube 3, a wave-shaped limiting groove 8 is provided, a limiting block 9 is fixedly provided on the movable plate 4, and the limiting block 9 is slidably inserted into the wave-shaped limiting groove 8. An array of electrostatic adsorption rods 10 are fixedly provided on the inner wall of the rotating tube 3 in a circular array, a first contact 11 is fixedly provided on the inner bottom end of the base 1, a pot piece 12 is fixedly provided on the top of the first contact 11, a first pin 16 and a second pin 17 are fixedly provided on the bottom end of the base 1, and a second contact 18 is fixedly provided on the inner bottom end of the base 1, and the first pin 16 and the second pin 17 are connected to the first contact 11 and the second contact 18 respectively. When working, when the touch switch is used for a long time After a period of time, due to working environment factors such as high dust and high temperature, dust will accumulate in the base 1, which will cause poor contact over time, resulting in insensitive buttons or complete failure, reducing the service life, and in critical applications, poor contact will seriously affect the normal use of external electrical appliances and cause safety accidents. In order to solve the above problems, when the user presses the button 6, the button 6 drives the movable disk 4 to press down, and at the same time stretches the reset spring 7, the movable disk 4 drives the pressing block 19 to move down, and the pressing block 19 squeezes the pot piece 12 to make the pot piece 12 contact with the second contact 18, so that the first pin 16 is connected to the second pin 17, and at the same time the movable disk 4 drives the limit block 9 to move down, and the limit block 9 is in the wave-shaped limit The wavy limit groove 8 is undulating up and down in shape, and the downward movement of the limit block 9 continuously causes the wavy limit groove 8 to rotate, thereby causing the rotating tube 3 to rotate, and the rotating tube 3 drives the electrostatic adsorption rod 10 to rotate. The electrostatic adsorption rod 10 rotates in the base 1, stirs the space in the base 1, and adsorbs the dust particles floating in the space in the base 1, so that it has a self-cleaning function when the button 6 is pressed, preventing the problem of dust accumulation causing the touch switch to be insensitive or completely ineffective, improving its practicality and service life, and ensuring the normal use of external electrical appliances. When the button 6 is released, the button 6 moves up and resets under the elastic potential energy of the reset spring 7.

[0022] Furthermore, two groups of guide grooves 14 are provided on the button 6, and a guide block 15 is fixedly provided on the inner wall of the through hole 5. The guide block 15 is slidably inserted into the guide groove 14. When working, it is necessary to keep the angle of the button 6 unchanged to ensure the normal operation of the internal structure of the base 1. When the button 6 moves, the guide groove 14 and the guide block 15 always limit the movement path of the button 6, so that it always moves up and down at the same angle.

[0023] Working principle: After the touch switch has been used for a long time, due to working environment factors such as high humidity and high temperature, oxidation will occur on the surface of the pot piece 12, causing poor contact, increasing contact resistance, resulting in insensitive buttons or complete failure, and reducing service life. In critical applications, such as medical equipment, poor contact will seriously affect the normal use of external electrical appliances and cause safety accidents. In order to solve the above problems, when the user presses the button 6, the button 6 drives the movable disk 4 to press down, and at the same time stretches the reset spring 7, and the movable disk 4 drives the pressing block 19 to move down, and the pressing block 19 squeezes the pot piece 12, so that the pot piece 12 contacts the second contact 18, so that the first pin 16 is connected to the second pin 17, and at the same time the movable disk 4 drives the limit block 9 to move down, and the limit block 9 slides in the wave-shaped limit groove 8, and the limit block 9 always remains on the same vertical line for up and down movement. The wavy limit groove 8 is in a wave-like shape, and the downward movement of the limit block 9 continuously rotates the wavy limit groove 8, thereby rotating the rotating tube 3, and the rotating tube 3 drives the electrostatic adsorption rod 10 to rotate. The electrostatic adsorption rod 10 rotates in the base 1, stirs the space in the base 1, and adsorbs the dust particles floating in the space in the base 1, so that it has a self-cleaning function when the button 6 is pressed, and prevents the problem of dust accumulation causing the touch switch to be insensitive or completely ineffective, improves its practicality and service life, and ensures the normal use of external electrical appliances. When the button 6 is released, the button 6 moves up and resets under the elastic potential energy of the reset spring 7. It is necessary to keep the angle of the button 6 unchanged to ensure the normal operation of the internal structure of the base 1. When the button 6 moves, the guide groove 14 and the guide block 15 always limit the movement path of the button 6, so that it always moves up and down at the same angle.

[0024] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A plug-in touch switch, characterized in that: The invention comprises a base (1), a cover plate (2) is fixedly mounted on the top of the base (1), the internal cavity of the base (1) is cylindrical, a rotating tube (3) is rotatably arranged on the inner wall of the base (1) via a bearing, a movable disk (4) is slidably arranged in the rotating tube (3), a through hole (5) is opened on the top of the cover plate (2), a button (6) is fixedly arranged on the top of the movable disk (4), the button (6) is slidably arranged through the through hole (5), and a complex button (6) is fixedly arranged between the top of the movable disk (4) and the bottom of the cover plate (2). A positioning spring (7) is provided, a pressing block (19) is fixedly arranged at the bottom end of the movable plate (4), a wave-shaped limiting groove (8) is provided on the inner wall of the rotating tube (3), a limiting block (9) is fixedly arranged on the movable plate (4), the limiting block (9) is slidably inserted into the wave-shaped limiting groove (8), an array of electrostatic adsorption rods (10) are fixedly arranged in a circular array on the inner wall of the rotating tube (3), a first contact (11) is fixedly arranged at the inner bottom end of the base (1), and a pot piece (12) is fixedly arranged at the top end of the first contact (11).

2. A plug-in touch switch according to claim 1, characterized in that: The top four corners of the cover plate (2) are provided with assembly holes, and the cover plate (2) is fixedly assembled with the base (1) via fixing rivets (13) on the assembly holes.

3. The plug-in touch switch according to claim 1, characterized in that: The button (6) is provided with two groups of guide grooves (14), and a guide block (15) is fixedly arranged on the inner wall of the through hole (5), and the guide block (15) is slidably inserted into the guide groove (14).

4. The plug-in touch switch according to claim 1, characterized in that: A first pin (16) and a second pin (17) are fixedly provided at the bottom end of the base (1), a second contact (18) is fixedly provided at the inner bottom end of the base (1), and the first pin (16) and the second pin (17) are connected to the first contact (11) and the second contact (18) respectively.

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