TWI434310B - Raise the push switch of the moving stroke - Google Patents

Description

Push switch for lifting the actuation stroke

The invention relates to a push switch for improving an actuation stroke, in particular to a push switch applied to an electronic device for outputting a signal.

With the wide application of electronic and electrical products, the supply of power supply is to provide the kinetic energy of various electronic and electrical products, and the opening and closing of the control power is an important function of the switch, through the opening or closing of the switch, Electronic and electrical products provide power or power outage, and even generate control signals.

There are many types of switches, and the push-type switch is the most common. As shown in the Patent No. I327332 of the Republic of China, the patent discloses a composite switch that outputs corresponding preset signals through two different operation actions. The device includes a housing, a pressing member, a sensor, a first pin, an electrical connecting portion, and a metal elastic piece. The sensor is disposed in the receiving portion of the pressing member for The external signal is sensed, and a first signal is outputted by the first pin, and the metal elastic piece is selectively electrically connected to the electrical connecting portion by pressing the pressing member, and outputs a second signal.

In addition, as shown in the Patent No. M359786 of the Republic of China, the patent discloses a push button switch, which mainly comprises: a cover body, a button, a movable terminal, a fixed terminal and an insulating body, the insulating body is provided with a receiving cavity, and the fixed terminal is arranged. And a part of the fixed terminal is exposed to the receiving cavity of the insulating body, the movable terminal is received in the receiving cavity of the insulating body and disposed above the fixed terminal, and the button is disposed in the receiving cavity of the insulating body and acts on the movable terminal The movable terminal is covered with a film of glue, and the film forms a seal with the inner wall of the insulating body receiving cavity to prevent foreign matter from entering the insulating body and affecting the conductivity of the terminal.

As shown in the Patent No. I270907 of the Republic of China, the patent discloses a "signal input switch", especially a signal input device suitable for audio reproduction machines, closed circuit machines, mobile phones, and the like. A switch is used, in particular to improve the soundable hemispherical movable contact spring. The conventional signal input switch used in the electrical and electronic equipment class is to preset the movable contact portion inside the audible hemispherical contact spring to correspond to the fixed contact portion, and the movable contact portion and the fixed contact portion are to avoid In the case of a contact surface failure, a porous movable contact is often used. In the case of the switch operation, the general contact spring is elastically deformed by pressing the top of the contact spring, and is pronounced by reverse deformation, and when it is reversed, the peripheral edge portion and the fixed contact portion of the movable contact portion are generated. The "on" state of the contact, and the signal of "on" use. According to the porous design of the movable contact portion, the edge portion of the movable contact portion and the fixed contact portion are brought into line contact by surface contact, and the contact force at the edge portion can overcome obstacles such as dust, thereby improving the movable contact portion and Electrical contact stability of the fixed contact portion.

Each of the above patents discloses a structure of a push switch, and the pressing structure of each switch is pressed against a dome reed through a pressing member, thereby turning on the terminal to output a signal. However, the pressing structure has a shorter actuation stroke. It is easy to turn on the output signal because of a false touch.

The main object of the present invention is to solve the above-mentioned defects, improve the actuation stroke of the switch, and avoid outputting signals due to the accidental touch switch.

In order to achieve the above object, the present invention provides a push switch for lifting an actuating stroke, comprising a housing and a pressing mechanism. The inside of the housing is hollow to form an accommodating space, and the housing is embedded with two terminals and is provided with a guide. And a pressing member disposed on the housing, the pressing member is connected to the receiving space to receive a first elastic body, and the first elastic body is coupled to a pressure contact a pressing member of the reed member, wherein the pressing member is coupled to a second elastic body supported by the housing, so that the pressing member compresses the first elastic body and the second elastic body to increase the pressing stroke, so that The pressing member abuts against the pressing piece against the reed to turn on the two terminals to output a signal.

In a specific embodiment of the present invention, the pressing member has a fixing portion received in the accommodating space, the fixing portion is provided with a fixing groove for connecting the first elastic body, and the second elastic body is sleeved The fixing member is disposed outside the first elastic body, and the pressing member has an actuating rod connected to the fixing portion, and the actuating rod is sleeved with a rubber body on the outer side of the housing. The housing includes a bottom plate and a cover disposed on the bottom plate, and the two terminals are disposed on the bottom plate, and the outer cover is provided with a through hole through which the pressing member is disposed, and the bottom plate is provided with a first a retaining wall is disposed on the inner side of the first retaining wall, and a second retaining wall is disposed outside the first retaining wall, and the second retaining wall and the second retaining wall form a second elastic body Assembly slot.

The detailed description and technical content of the present invention will now be described as follows:

Referring to FIG. 1 and FIG. 2, the present invention is a push switch for lifting an actuation stroke. The push switch mainly includes a housing 10 and a pressing mechanism 20 disposed on the housing 10; wherein the housing The body 10 includes a bottom plate 11 and a cover 14 that is disposed on the bottom plate 11. The interior of the housing 10 is hollow to form an accommodating space 142. The top of the outer cover 14 is provided with a through hole 141, and the bottom plate 11 is embedded. There are two terminals 12 and a first retaining wall 111, and a reed 13 contacting the two terminals 12 is disposed inside the first retaining wall 111. Further, a second retaining wall is further disposed outside the first retaining wall 111. 112, an assembly groove 113 is formed between the first retaining wall 111 and the second retaining wall 112.

The pressing mechanism 20 has a pressing member 21, and the operating member 211 is disposed on the outer side of the housing 10, and a rubber body 22 is disposed on the outer side of the housing 10. The pressing member 21 is provided with a fixing portion 212 that is coupled to the operating rod 211. The fixing portion 212 is disposed in the receiving space 142 of the housing 10, and is provided with a fixing slot 213 for connecting a first elastic body 23, The first elastic body 23 is coupled to a pressing member 25 that presses the spring piece 13. The fixing portion 212 further includes a second elastic body 24 supported by the assembly groove 113, so that the second elastic body 24 is disposed on the second elastic body 24. Outside of the first elastomer 23, and in a preferred embodiment of the invention, the first elastomer 23 and the second elastomer 24 are springs, as if they constitute the primary architecture of the present invention.

Please refer to FIG. 3-1 to FIG. 3-3, which is a schematic diagram of the operation of the present invention. When the pressing switch is not pressed, the pressing member 21 is subjected to the first elastic body 23 and the second. The elastic force of the elastic body 24 is limited to the through hole 141 of the outer cover 14 (as shown in FIG. 3-1). When the pressing member 21 is pressed by force, the pressing member 21 compresses the first portion with the fixing portion 212. An elastic body 23 and the second elastic body 24 compress the first elastic body 23 into the fixing groove 213 of the fixing portion 212, and the fixing portion 212 contacts the pressing member 25 (as shown in Fig. 3-2). If the force is continuously applied, the pressing member 21 can press the fixing portion 212 against the pressing member 25 against the reed 13 to turn on the two terminals 12 to output a signal (as shown in FIG. 3-3). Thereby forming a two-stage press.

In summary, the present invention mainly connects the first elastic body 23 and the second elastic body 24 through the pressing member 21, and connects the pressing member 25 of the pressing spring piece 13 with the first elastic body 23, so that the The first elastic body 23 can increase the actuation stroke of the push switch, and provides a two-stage pressing manner, and the second elastic body 24 can further increase the load of the push switch, so that the mis-touch switch can be avoided and the communication number can be avoided. The problem is to improve the operational precision of the push switch.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the equivalent variations and modifications of the scope of the present invention are intended to be within the technical scope of the present invention.

10. . . case

11. . . Bottom plate

111. . . First retaining wall

112. . . Second retaining wall

113. . . Assembly slot

12. . . Terminal

13. . . Reed

14. . . Cover

141. . . Through hole

142. . . Housing space

20. . . Pressing mechanism

twenty one. . . Pressing member

211. . . Actuator

212. . . Fixed part

213. . . Fixed slot

twenty two. . . Rubber body

twenty three. . . First elastomer

twenty four. . . Second elastomer

25. . . Pressed part

Figure 1 is a schematic view of the appearance of the present invention.

Figure 2 is a schematic exploded view of the structure of the present invention.

3-1 to 3-3 are schematic views of the operation of the present invention.

10. . . case

11. . . Bottom plate

111. . . First retaining wall

112. . . Second retaining wall

113. . . Assembly slot

12. . . Terminal

13. . . Reed

14. . . Cover

142. . . Housing space

20. . . Pressing mechanism

twenty one. . . Pressing member

211. . . Actuator

212. . . Fixed part

213. . . Fixed slot

twenty two. . . Rubber body

twenty three. . . First elastomer

twenty four. . . Second elastomer

25. . . Pressed part

Claims (7)

A push switch for lifting an actuation stroke, comprising:
a housing having a hollow interior to form an accommodating space, and the housing is embedded with two terminals and is provided with a reed which guides the two terminals;
a pressing mechanism has a pressing member disposed on the housing, the pressing member is connected with a first elastic body in the receiving space, and the first elastic body is coupled to a pressing member that presses the reed, the pressing And attaching a second elastic body supported on the casing, and pressing the pressing member to compress the first elastic body and the second elastic body to increase a pressing stroke, so that the pressing member is pressed against the pressing member The reed is configured to output signals by turning on the two terminals. The push switch for lifting the actuating stroke according to the first aspect of the invention, wherein the pressing member has a fixing portion that is received in the accommodating space, and the fixing portion is provided with a fixing groove for connecting the first elastic body. The second elastic body is sleeved on the fixing portion and disposed outside the first elastic body. The push switch for lifting the actuating stroke according to the second aspect of the invention, wherein the pressing member has an actuating lever connected to the fixing portion, and the actuating lever is sleeved with a rubber body on the outer side of the housing. The push switch for lifting the actuating stroke according to claim 1, wherein the housing comprises a bottom plate and a cover disposed on the bottom plate, and the two terminals are disposed on the bottom plate, and the outer cover is provided with a cover The through hole is pierced by the pressing member. The push switch for lifting the actuating stroke according to claim 4, wherein the bottom plate is provided with a first retaining wall, and the reed is disposed inside the first retaining wall. The push switch for lifting the actuating stroke according to claim 5, wherein a second retaining wall is disposed outside the first retaining wall, and the second retaining wall and the second retaining wall form a fixed second The assembly groove of the elastomer. The push switch for lifting the actuating stroke according to claim 1, wherein the first elastic body and the second elastic system are springs.