CN220984388U - Tact switch - Google Patents

Abstract

The utility model relates to the technical field of tact switches, and discloses a tact switch which has two structures of a side-pressing tact switch and a direct-pressing tact switch, wherein the side-pressing tact switch comprises a side-pressing base, a side-pressing lower cover, a side-pressing terminal, a side-pressing contact piece, a side-pressing dustproof film, a side-pressing key and a side-pressing upper cover which are sequentially arranged; the side-pressing type lower cover is provided with a first square groove, and the side-pressing type terminal is arranged in the first square groove, so that the side-pressing type lower cover is more compact; a side-pressed LED; the left end pin of the side-pressed LED is arranged between the side-pressed key and the side-pressed upper cover, and the right end pin sequentially bypasses the side-pressed contact piece, the side-pressed dustproof film and the side-pressed key and is arranged between the side-pressed base and the side-pressed lower cover; the side-pressing type terminal or the direct-pressing type terminal is accommodated in the first square groove or the second square groove, and the LED is arranged in the side-pressing type tact switch in a wound mode, so that the whole structure is more compact and light and thin.

Description

Tact switch

Technical Field

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

Background

A tact switch, generally referred to as an electronic switch that can be turned on or off by a light touch or press; such switches are commonly found in modern electronic devices and household appliances, and by lightly touching the switches, the corresponding operation can be accomplished without the need to press a physical button with force;

The following problems exist in the market at present: the existing tact switch has slightly poorer structure compactness, particularly, after the light emitting diode is added, the existing structure is larger, and the structure compactness, thinness and thinness are required to be improved;

The utility model aims to solve the technical problems that: the tact switch is good in structure compactness.

Disclosure of utility model

The utility model aims to solve the technical problems that: the tact switch with good structural compactness is provided; the side-pressing type terminal or the direct-pressing type terminal is accommodated in the first square groove or the second square groove, and the LED is arranged in the side-pressing type tact switch in a wound mode, so that the whole structure is more compact and light and thin.

The side-pressing type tact switch comprises a side-pressing type base, a side-pressing type lower cover, a side-pressing type terminal, a side-pressing type contact piece, a side-pressing type dustproof film, a side-pressing type key and a side-pressing type upper cover which are sequentially arranged;

The side-pressing type lower cover is provided with a first square groove, and the side-pressing type terminal is arranged in the first square groove, so that the side-pressing type lower cover is more compact; a side-pressed LED; the left end pin of the side-pressing type light emitting diode is arranged between the side-pressing type key and the side-pressing type upper cover, and the right end pin sequentially bypasses the side-pressing type contact piece, the side-pressing type dustproof film and the side-pressing type key and is arranged between the side-pressing type base and the side-pressing type lower cover, so that the LED is more compact.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a tact switch with good structural compactness; the side-pressing type terminal or the direct-pressing type terminal is accommodated in the first square groove or the second square groove, and the LED is arranged in a winding way in the side-pressing type tact switch, so that the whole structure is more compact and light and thin; and the dustproof film can play a certain role in dust prevention and water prevention.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic diagram of a side-pressing type tact switch according to the present utility model.

Fig. 2 is a schematic cross-sectional view of the structure of fig. 1 according to the present utility model.

Fig. 3 is a schematic view of the exploded construction of fig. 1 according to the present utility model.

Fig. 4 is a schematic view of a side-push type lower cover structure of the present utility model.

Fig. 5 is a schematic view of a side-push type terminal structure of the present utility model.

Fig. 6 is a schematic diagram of a side-pressing key structure according to the present utility model.

Fig. 7 is a schematic diagram of a direct-push type tact switch employing DIP terminals according to the present utility model.

Fig. 8 is a schematic cross-sectional view of fig. 7 according to the present utility model.

Fig. 9 is a schematic view of the exploded construction of fig. 7 according to the present utility model.

Fig. 10 is a schematic view of the structure of the direct-push type base of the present utility model.

Fig. 11 is a schematic view of the structure of the direct-push type terminal of the present utility model.

Fig. 12 is a schematic diagram of a direct-push type tact switch employing SMT terminals according to the present utility model.

Fig. 13 is a schematic cross-sectional view of fig. 12 according to the present utility model.

Fig. 14 is a schematic view of the exploded construction of fig. 12 according to the present utility model.

In the figure: a side-pressing type base 1; a side-pressing type lower cover 2; a side-push terminal 3; a side-pressing contact piece 4; a side-pressing type dust-proof film 5; a side-pressing key 6; a side-push type upper cover 7; a first square groove 8; a side-pressed light emitting diode 9; a direct-press base 10; a direct-push terminal 11; a direct-push contact piece 12; a direct-pressing type dust-proof film 13; a direct-press key 14; a direct-push type light emitting diode 15; a push-up type upper cover 16; a second square groove 17; a first through hole 18; a second through hole 19; a first terminal foot 20; a second terminal portion 21; a first contact portion 22; a second contact portion 23; a third contact portion 24; a carrier block 25; a first circular groove 26; a second circular groove 27; a bump 28; a groove 29; a receiving groove 30; a through groove 31; and a stopper 32.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only 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.

Referring to fig. 1 to 14, in an embodiment of the present utility model, a tact switch has two structures of a side-pressing tact switch and a direct-pressing tact switch, wherein the side-pressing tact switch includes a side-pressing base 1, a side-pressing lower cover 2, a side-pressing terminal 3, a side-pressing contact piece 4, a side-pressing dustproof film 5, a side-pressing key 6, and a side-pressing upper cover 7, which are sequentially arranged;

the side-pressing type lower cover 2 is provided with a first square groove 8, and the side-pressing type terminal 3 is arranged in the first square groove 8, so that the side-pressing type lower cover is more compact; a side-pressed LED 9 is also provided; the left end pin of the side-pressing type light emitting diode 9 is arranged between the side-pressing type key 6 and the side-pressing type upper cover 7, and the right end pin sequentially bypasses the side-pressing type contact piece 4, the side-pressing type dustproof film 5 and the side-pressing type key 6 and is arranged between the side-pressing type base 1 and the side-pressing type lower cover 2, so that the side-pressing type light emitting diode is more compact.

Specifically, the side-pressing type base 1 is a bottom supporting structure of the whole switch and is used for fixing other components; the side-push type lower cover 2 is arranged above the base and is provided with a first square groove 8 which is used for installing the side-push type terminal 3 so as to make the assembly more compact; the side-pressing terminal 3 is an electric connection part of a switch, is arranged in the first square groove 8, and is used for conducting current and being connected with other electronic equipment; the side-push contact 4 is an electronic component that works together with the side-push terminal 3 for establishing or interrupting a circuit connection when the switch is pressed; the side-pressing type dustproof film 5 is used for protecting the inside of the switch from invasion of dust and sundries, and ensuring the normal operation of the switch; the side-pressed key 6 is a portion pressed by the user for activating the switch; a side-pressing upper cover 7 is positioned above the keys and is used for covering and protecting the internal components of the whole switch; the side-push type LED 9 is an LED light source for emitting light, indicating on-off state or providing backlight effect; the left end pin is positioned between the side-pressing type key 6 and the side-pressing type upper cover 7, and the right end pin sequentially passes through the side-pressing type contact piece 4, the side-pressing type dustproof film 5 and the side-pressing type key 6 and is finally connected between the side-pressing type base 1 and the side-pressing type lower cover 2;

The design of the side-pressing type tact switch aims at being compact and capable of providing circuit connection, dust protection and lighting functions; when the user presses the side-push button 6, the side-push contact piece 4 will contact with the side-push terminal 3, thereby establishing or interrupting the circuit connection, and at the same time, the state of the light emitting diode will change to provide an indication; such switches are commonly used in a variety of electronic devices to implement user input or status indication functionality.

Further, the direct-pressing type tact switch comprises a direct-pressing type base 10, a direct-pressing type terminal 11, a direct-pressing type contact piece 12, a direct-pressing type dustproof film 13, a direct-pressing type key 14, a direct-pressing type light emitting diode 15 and a direct-pressing type upper cover 16 which are sequentially arranged;

The side-pressing type lower cover 2 is provided with a second square groove 17, and the direct-pressing type terminal 11 is arranged in the second square groove 17; the direct-pressing type base 10 is provided with a first through hole 18 and a second through hole 19 which penetrate through the direct-pressing type base 10 at intervals; and the left terminal of the direct-pressing LED 15 is disposed in the first through hole 18, and the right terminal bypasses between the direct-pressing key 14 and the direct-pressing upper cover 16 and is disposed in the second through hole 19.

Specifically, the direct-pressing base 10 is a basic supporting structure of a direct-pressing tact switch, and is used for fixing other components; the direct-pressing terminal 11 is a component for connecting a circuit and is arranged in a second square groove 17 in the direct-pressing base 10; the direct-push contact piece 12 works together with the direct-push terminal 11 for establishing or interrupting a circuit connection to realize a switching function; the direct-pressing type dustproof film 13 is used for protecting the inside from being invaded by dust and sundries, and ensuring the normal operation of the switch; the direct-press key 14 is a part pressed by a user, and triggers a switch action; the direct-push LED 15 is used for emitting light, indicating the on-off state or providing backlight effect; a push-to-go top cover 16 overlies the push-to-go keys 14 for protecting internal components; the straight-pressing type base 10 is provided with through holes penetrating the straight-pressing type base 10 at intervals, the left end pin of the straight-pressing type light emitting diode 15 is arranged in the first through hole 18, the right end pin bypasses between the straight-pressing type key 14 and the straight-pressing type upper cover 16 and then is arranged in the second through hole 19, and the installation mode is favorable for keeping the compactness of the assembly.

Further, the direct-push terminal 11 and the side-push terminal 3 each include a first terminal leg portion 20 and a second terminal leg portion 21 that are disposed at intervals; a first contact part 22, a second contact part 23 and a third contact part 24 are also arranged between the first terminal part 20 and the second terminal part 21 in a protruding way; wherein the first contact portion 22 and the second contact portion 23 are connected to the first terminal portion 20, and the third contact portion 24 is connected to the second terminal portion 21; and the first contact portion 22 and the second contact portion 23 are always in contact with the direct-push type contact piece 12 or the side-push type contact piece 4; when the straight contact piece 12 or the side contact piece 4 is pressed, the straight contact piece 12 or the side contact piece 4 is brought into contact with the third contact portion 24 to conduct a circuit.

Specifically, when the straight contact piece 12 or the side contact piece 4 is pressed, they are brought into contact with the third contact portion 24, thereby establishing a circuit connection; since the first contact portion 22 and the second contact portion 23 are always in contact with the contact piece, when the switch is pressed down, the circuit is routed through the connection of the third contact portion 24, thereby realizing the function of the switch.

Further, the four corners of the side surfaces of the side pressing type lower cover 2 and the direct pressing type base 10 are outwards formed with bearing blocks 25; and the bearing block 25 bears the first terminal pin 20 and the second terminal pin 21.

Specifically, by adding the bearing blocks 25 at the four corner portions of the side-push type lower cover 2 and the direct-push type base 10, additional support and protection can be provided for the terminals; this is important to ensure a secure and reliable connection of the terminals during use, especially when subjected to external forces or environmental conditions; the design of the carrier block 25 enables the switch to better resist external pressure and vibration, thereby ensuring its proper operation.

Further, a first round groove 26 is formed below the first square groove 8, and a second round groove 27 is formed below the second square groove 17; the first terminal pin part 20 and the second terminal pin part 21 are accommodated in the first circular groove 26 or the second circular groove 27, the side pressing type contact piece 4 is accommodated in the first circular groove 26, and the direct pressing type contact piece 12 is accommodated in the second circular groove 27, so that the contact is more compact; the side pressing type dustproof film 5 is adhered to the bottom of the first square groove 8 and seals the first round groove 26 so as to prevent dust and water; the direct-pressing type dustproof film 13 is adhered to the bottom of the second square groove 17 and seals the second round groove 27 to prevent dust and water.

In particular, such a design is intended to ensure that the internal components of the switch are protected from the intrusion of dust and moisture during use, thus ensuring the reliability and durability of the switch; meanwhile, the terminal and the contact piece are ingeniously contained in the round groove, so that the purposes of compactness of the structure and space saving are achieved.

Further, the side-pressing type lower cover 2 is formed with a plurality of protruding blocks 28 which are arranged at intervals; and the side-pressing type base 1 is formed with a groove 29; and the right terminal pin of the side-pressed LED 9 is placed in the groove 29; and the projection 28 is inserted into the groove 29 so as to fix the side-push type lower cover 2 and the side-push type base 1.

Specifically, by the design of the protruding block 28 and the groove 29, the side-pressing type lower cover 2 and the side-pressing type base 1 can be effectively fixed during assembly; meanwhile, the right end pin of the side-pressed LED 9 is placed in the groove 29, so that the right position of the component can be maintained; together, these design measures ensure the stability and reliability of the side-push tact switch.

Further, the side pressing contact piece 4 is a round return spring piece made of metal; the side pressing type contact piece 4 is made of high-temperature resistant PET material, and the side pressing type contact piece 4 and the direct pressing type contact piece 12 have the same structure; the side-pressing type dustproof film 5 and the direct-pressing type dustproof film 13 have the same structure; the side-push button 6 is formed with a receiving groove 30 for receiving the light-emitting diode 9 of the side-push button, and the side-push button 6 has the same structure as the direct-push button 14.

Specifically, the side pressing contact piece 4 is made of metal, has a rebound function and is used for ensuring that the switch can recover after being pressed down; the side-pressing contact piece 4 uses high-temperature resistant PET material, so that the switch can work normally under high-temperature environment.

Further, the side-pressing type upper cover 7 and the direct-pressing type upper cover 16 are both formed with a through groove 31 for the side-pressing type key 6 or the direct-pressing type key 14 to pass through; the limiting blocks 32 are formed on two sides of the side-pressing type key 6 and the direct-pressing type key 14; and the limiting block 32 is provided with a slope surface which is inclined downwards, so that the limiting block 32 enables the side-pressing type key 6 or the direct-pressing type key 14 to pass through the through groove 31 and then to be limited and fixed with the through groove 31.

Specifically, the side-pressing type and direct-pressing type keys 14 can stably pass through the through groove 31 of the upper cover in the installation process and are limited and fixed in the through groove 31, so that the switch can work stably and reliably in use.

Further, the direct-push terminal 11 is one of DIP terminal and SMT terminal; the side push terminal 3 is a DIP terminal.

Specifically, DIP terminals are a common type of pluggable electronic component, and are usually mounted on a circuit board in a direct-insertion manner, and thus are also called direct-insertion terminals; the pins on the circuit board can be connected through a socket or welding, so that the stability is good;

The SMT terminal is a surface mounting technology, and the terminal of the SMT terminal can be directly welded on the surface of a circuit board without a jack; is commonly used in modern electronic manufacturing and can improve the manufacturing efficiency.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. The touch switch is characterized by comprising a side-pressing type touch switch and a direct-pressing type touch switch, wherein the side-pressing type touch switch comprises a side-pressing type base, a side-pressing type lower cover, a side-pressing type terminal, a side-pressing type contact piece, a side-pressing type dustproof film, a side-pressing type key and a side-pressing type upper cover which are sequentially arranged;

The side-pressing type lower cover is provided with a first square groove, and the side-pressing type terminal is arranged in the first square groove, so that the side-pressing type lower cover is more compact; a side-pressed LED; the left end pin of the side-pressing type light emitting diode is arranged between the side-pressing type key and the side-pressing type upper cover, and the right end pin sequentially bypasses the side-pressing type contact piece, the side-pressing type dustproof film and the side-pressing type key and is arranged between the side-pressing type base and the side-pressing type lower cover, so that the LED is more compact.

2. The tact switch according to claim 1, wherein the direct-press tact switch comprises a direct-press base, a direct-press terminal, a direct-press contact piece, a direct-press dustproof film, a direct-press key, a direct-press light emitting diode, and a direct-press upper cover, which are sequentially arranged;

The side-pressing type lower cover is provided with a second square groove, and the direct-pressing type terminal is arranged in the second square groove; the direct-pressing type base is provided with a first through hole and a second through hole which penetrate through the direct-pressing type base at intervals; and the left end pin of the direct-pressing type light emitting diode is arranged in the first through hole, and the right end pin bypasses between the direct-pressing type key and the direct-pressing type upper cover and is arranged in the second through hole.

3. The tact switch of claim 2, wherein the direct-push terminal and the side-push terminal each include a first terminal leg and a second terminal leg disposed in spaced relation; a first contact part, a second contact part and a third contact part are also arranged between the first terminal pin part and the second terminal pin part in a protruding way; wherein the first contact part and the second contact part are connected with the first terminal foot part, and the third contact part is connected with the second terminal foot part; the first contact part and the second contact part are always contacted with the direct-pressing type contact piece or the side-pressing type contact piece; when the direct-push type contact piece or the side-push type contact piece is pushed, the direct-push type contact piece or the side-push type contact piece is contacted with the third contact part to conduct a circuit.

4. A tact switch according to claim 3, wherein the four corners of the side surfaces of the side-pressed lower cover and the straight-pressed base are formed with bearing blocks outwards; and the bearing block bears the first terminal pin part and the second terminal pin part.

5. A tact switch in accordance with claim 3, wherein a first circular groove is further formed below the first square groove, and a second circular groove is formed below the second square groove; the first terminal foot part and the second terminal foot part are accommodated in the first circular groove or the second circular groove, the side pressing type contact piece is accommodated in the first circular groove, and the direct pressing type contact piece is accommodated in the second circular groove, so that the contact is more compact; the side pressing type dustproof film is adhered to the bottom of the first square groove and seals the first round groove so as to prevent dust and water; the direct-pressing dustproof film is adhered to the bottom of the second square groove and seals the second round groove, so that dustproof and waterproof effects are achieved.

6. The tact switch according to claim 2, wherein the side-push type lower cover is formed with a plurality of spaced projections; and the side-pressing type base is formed with a groove; the right end pin of the side-pressed LED is arranged in the groove; and the convex blocks are inserted into the grooves so as to fix the side-pressing type lower cover and the side-pressing type base.

7. The tact switch according to claim 2, wherein the side-pressing contact piece is a circular return spring made of metal; the side pressing type contact piece is made of high-temperature resistant PET material, and has the same structure as the direct pressing type contact piece; the side-pressing type dustproof film and the direct-pressing type dustproof film have the same structure; the side-pressing type key is formed with a containing groove for containing the light-emitting diode of the side-pressing type light-emitting diode, and the side-pressing type key and the direct-pressing type key have the same structure.

8. The tact switch according to claim 2, wherein the side-pressing type upper cover and the direct-pressing type upper cover are each formed with a through groove through which the side-pressing type key or the direct-pressing type key can pass; limiting blocks are formed on two sides of the side-pressing type key and the direct-pressing type key; and the limiting block is provided with a slope surface which is inclined downwards, so that the limiting block enables the side-pressing type key or the direct-pressing type key to pass through the through groove and then to be limited and fixed with the through groove.

9. The tact switch of claim 2, wherein the push-to-talk terminal is one of DIP terminal or SMT terminal; the side-push terminal is a DIP terminal.