JP3016313U - Call button - Google Patents

Abstract

(57) [Summary] [Structure] A push switch 3 which is housed inside the call button housing 1 and mounted on the substrate 2 and a push switch 3 which is inserted through a hole 1a formed in the call button housing to drive the push switch. A button 5 having a shaft 4 and arranged outside the call button housing, a semicircular arc-shaped rotating portion 6 provided between the button and the call button housing and having one end 6a pivotally supported, A surface 6c of the rotary portion facing the call button housing has a cam 6t thinly formed toward the other end, and the drive shaft is provided with a cam 6t. A cam follower 4a is provided so as to be in contact with the spring portion 6b. One end of the rotating portion is fixed to one end of the rotating portion and is fixed to the call button housing.
And a spring 8 surrounding the drive shaft and stretched between the outside of the call button housing and the button. [Effect] When the pulling cord is pulled lightly, the cam of the rotating portion is lowered, the cam is brought into contact with the cam follower, the drive shaft is moved, and the call button can be easily operated.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a call button, and more particularly to a call button in which a sick person or the like operates a push switch with a drawstring.

[0002]

[Prior art]

 Toilets, bathrooms, etc. for people with disabilities in hospitals and houses are equipped with call buttons with drawstrings so that people can be rescued if they feel unwell inside. As shown in FIG. 2, in the structure of the conventional call button, the circuit board 20 having the reed switch 30 mounted inside the call button body 10 and the operation signal of the reed switch 30 connected to the circuit board 20 are transmitted to an external parent. A lead wire L to be sent to a machine (not shown), and a shaft 1e that is provided inside the main body 10 by the substrate 20 and around which a drawstring 7 described later is wound, and a window W is bored in the main body 10. The call button 50 is disposed in the window W, and the magnet 40 contacting the reed switch 30 is fixed inside the call button 50. The call button 50 is placed between the call button 50 and the main body 10. The spring 8 for returning 50 is fixed. Further, a drawstring passage hole 1f is formed in the main body 10, one end of the drawstring 7 is fixed to an end portion of the call button 50, and the drawstring 7 is hung around a shaft 1e provided inside the main body 10 with respect to the substrate 20. Then, the grip 7a is provided at the other end by being pulled out from the pull string passing hole 1f.

In the conventional call button, when the call button 50 is directly pressed, the magnet 40 approaches the lead switch 30 and the reed switch 30 is turned on. In addition, a drawstring 7 with a grip 7a is provided so that people who feel sick and need help can use it, so hold the drawstring 7a and pull it down (arrow A) and thread it. Due to the hole 1f and the shaft 1e, the end of the drawstring 7 on the call button 50 side moves in the horizontal direction (arrow B), and the call button 50 to which the drawstring 7 is fixed approaches the substrate 20 side. The reed switch 30 is turned on as it approaches the reed switch 30. When the pushing of the call button 50 or the pulling of the drawstring 7 is stopped, the call button 50 returns to its original state by the tension of the spring 8 and the reed switch 30 is turned off.

[0004]

[Problems to be solved by the device]

 In the conventional call button that operates with the above-described configuration, the drawstring 7 is wound around the shaft 1e and is inserted through the string insertion hole 1f. For this reason, the pulling force is lowered at these two places and the pulling force is attenuated, and the calling button 50 may not operate even if an old or sick person whose strength is weak pulls the pull string 7. there were.

[0005]

[The purpose of the device]

 An object of the present invention is to solve the above-mentioned problems and to provide a call button that can be operated even by a weak or sick person who has weak strength by lightly pulling on the drawstring.

[0006]

[Means for Solving the Problems]

 The call button according to the present invention has a push switch housed inside the call button housing and mounted on a substrate, and a drive shaft that is inserted into a hole formed in the call button housing and drives the push switch. The button is arranged outside the call button housing, the semi-circular arc-shaped rotating part is supported between the button and call button housing and is pivotally supported at one end, and is fixed to the other end of the rotating part. The surface of the rotary part facing the call button housing has a cam thinly formed toward the other end, and the drive shaft is provided with a cam follower that abuts against the cam. One end has a spring portion fixed to one end of the rotating portion and fixed to the call button housing, and has a spring that surrounds the drive shaft and is stretched between the outside of the call button housing and the button.

[0007]

[Action]

 Between the button and the call button housing and the button that has a drive shaft that is inserted into the hole formed on the push switch side that is housed inside the call button housing and that is arranged outside the call button housing. It consists of a semi-circular arc-shaped rotating part with one end pivotally supported, and a drawstring fixed to the other end of the rotating part.The surface of the rotating part facing the call button housing is thin toward the other end. The drive shaft is provided with a cam follower that abuts against the cam, and one end of the rotating part has a spring part fixed to the one end of the rotating part and fixed to the call button housing. However, since a spring is stretched around the drive shaft and between the button housing and the button, if you pull the drawstring lightly, the cam of the rotating part will lower and the cam will contact the cam follower. The drive shaft moves and the call button can be operated easily.

[0008]

【Example】

 An embodiment of the call button according to the present invention will be described below in detail with reference to the drawings. Toilets, bathrooms, etc. for people with disabilities in hospitals and houses are equipped with call buttons with drawstrings so that people can be rescued if they feel unwell inside.

As shown in FIG. 1, in the structure of a call button according to the present invention, a push switch 3 mounted on a substrate 2 is housed inside a call button housing 1. A hole 1a is formed in the call button housing 1, and a button 5 having a drive shaft 4 which is inserted into the hole 1a and drives the push switch 3 is arranged outside the call button housing 1. In addition, between the button 5 and the call button housing 1, a semicircular arc-shaped rotating portion 6 whose one end 6a is pivotally supported by a screw 9 is arranged, and a drawstring 7 is fixed to the other end 6d of the rotating portion 6. A grip 7a is provided at the tip of the drawstring 7.

The substrate 2 is connected to a lead line L that sends an operation signal of the push switch 3 to an external parent device (not shown). A surface 6c of the rotating portion 6 facing the call button housing 1 has an inclined portion 6t as a cam formed thinly toward the other end 6d to which the drawstring 7 is fixed, and the drive shaft 4 has an inclined portion 6t. A protrusion 4a as a cam follower that abuts 6t is provided in a protruding manner.

Further, one end 6 a of the rotating portion 6 has a substantially S-shaped spring portion 6 b extending from the rotating portion and fixed to the call button housing 1. The rotating part 6 is preferably made of synthetic resin, and the one end 6a of the rotating part and the spring part 6b are usually integrally formed, but other fixing methods such as screws are also suitable. The rotating portion 6 is arranged in a recess 1b formed on the surface of the call button housing 1, and one end 6a is pivotally supported by the call button housing 1 by a screw 9 and extends from the end 6a. An end 6f of the 6b, which is opposed to the one end 6a, is fixed to the call button housing 1 by a screw, an adhesive, a fitting, or the like.

The drive shaft 4 has a spring 8 stretched between the outside of the call button housing 1 and the button 5 and surrounding the drive shaft 4. Next, the operation of the call button according to the present invention will be described. In the call button according to the present invention, when the call button 5 is directly pressed, the drive shaft 4 contacts the push switch 3 and the push switch 3 is turned on.

In addition, since a drawstring 7 with a grip 7a is provided so that a person who feels sick and needs help can use it, the grip 7a of the drawstring 7 is held and pulled down (arrow A). The rotating portion 6 rotates about the screw 9 as a fulcrum (arrow C), and by rotating the rotating portion 6, the other end 6d of the rotating portion 6 to which the drawstring 7 is fixed is lowered, and the spring portion 6b becomes. Bend. At this time, since the thickness of the inclined portion 6t of the rotating portion 6 gradually increases, the protrusion 4a of the drive shaft 4 is pushed toward the push switch 3 (arrow B), the push switch 3 is turned on, and the substrate 2 A signal is sent to an external parent device (not shown) via a lead wire L connected to. A person who activates the call button for rescue can hear the operation sound of the push switch 3 and can confirm that the call button has operated.

When the pushing of the call button 5 or the pulling of the drawstring 7 is stopped, the call button 5 is returned to its original state and turned off by the tension of the spring 8. Further, since the bent spring portion 6b returns to its original shape, the rotating portion 6 rotates around the screw 9 as a fulcrum (in the direction opposite to the arrow C), and the drawstring 7 returns to the shape before being pulled.

[0015]

[Effect of device]

 The call button according to the present invention has a push switch housed inside the call button housing and mounted on the substrate, and a drive shaft that is inserted into a hole formed in the call button housing and drives the push switch. A button disposed outside the calling button housing, a semi-circular arc-shaped rotating portion having one end pivotally supported between the button and the calling button housing, and a pulling member fixed to the other end of the rotating portion. The surface of the rotary part facing the call button housing has a cam thinly formed toward the other end, and a cam follower that contacts the cam is projected on the drive shaft. One end has a spring part fixed to one end of the rotating part and fixed to the call button housing, and a spring stretched between the outside of the call button housing and the button surrounding the drive shaft. When you pull the string lightly, the cam of the rotating part will Cam moves the drive shaft abuts against the cam follower, the force pulling the pull cord can easily operate the call button be weak. You can also confirm that the call button has been activated by the operation sound of the push switch.

[Brief description of drawings]

FIG. 1 is a view for explaining the structure of a call button according to the present invention.

FIG. 2 is a diagram illustrating a structure of a conventional call button.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Call button housing 1a ... Hole formed in the call button housing 2 ... Substrate 3 ... Push switch 4 ... Drive shaft 4a ... Cam follower 5 ... Button 6 ... Rotating part 6a ... One end of rotating part 6b ... Spring part 6c ... surface facing the housing 6d ... other end of rotating part 6t ... cam 7 ... drawstring 8 ... spring

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Tetsuaki Kato 2-18, Kamino-cho, Atsuta-ku, Nagoya Aiphone Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A push switch (3) housed inside a call button housing (1) and mounted on a substrate (2), and a push switch (3) inserted through a hole (1a) formed in the call button housing. A button (5) having a drive shaft (4) for driving a push switch and arranged outside the ring button housing, and an end (6a) arranged between the button and the ring button housing.
And a drawstring (7) fixed to the other end (6d) of the rotating part, and is opposed to the call button housing of the rotating part. Surface (6c)
Has a cam (6t) formed thin toward the other end, and the drive shaft has a cam follower (4) that abuts on the cam.
a) is provided in a protruding manner, one end of the rotating portion has a spring portion (6b) fixed to one end of the rotating portion and fixed to the call button casing, and the call button casing is surrounded by the drive shaft. A call button, characterized in that it has a spring (8) tensioned outside the body and between the buttons.