JPH054358Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a hook switch structure for switching between a talking state and a standby state in a communication device such as a telephone or an intercom. Regarding this type of hook switch structure that I lost.

[Prior Art] Conventionally, this type of switch structure has been shown in FIGS. 4 and 5.

A switch 5 attached to a printed circuit board 3 attached to the lower case 2 is engaged with a hook knob 6' by a spring included in the switch 5, and the handset 4 is placed or hung on the upper case 1. .

The operation will be explained below using an intercom as an example.

When making a call, as shown in FIG. 5, when the handset 4 is picked up from the upper case 1 after being called by the door handset, the hook knob 6' is moved around the fulcrum 8 by the spring pressure of the switch 5. The case will be pushed up in one direction and the phone will be ready to talk. Conversely, by placing or hanging the handset 4 on the upper case 1, the hook knob 6' protruding from the upper case 1 is pressed, and the switch 5 is pressed around the fulcrum 8 via the spring. That's the end of the episode.

[Problem to be solved by the invention] By the way, in the above-mentioned conventional switch structure,
Since the hook knob 6' protrudes from the upper case 1, if you accidentally press the hook knob 6' during a call and end the call, or if you use the speaker of the handset 4 to make a ring tone, the handset 4 may 4 to your ear and accidentally press the hook knob 6', when a call comes in,
The disadvantage is that the handset 4 makes loud noises that may surprise your ears.

[Purpose of the invention] This invention was made to eliminate the problems of the conventional devices as described above, and it prevents people from accidentally touching and pressing the hook knob while on a call or holding the handset to their ear. The purpose of the present invention is to provide a switch structure that does not require a switch.

[Means for Solving the Problems] In order to achieve the above object, the hook switch structure of the present invention consists of a casing covered by an upper case and a lower case provided with slit-shaped openings, and a handset. The switch consists of a free end that is mounted on a printed circuit board attached to the lower case and can pivot freely around a pivot point, and a switch that is recessed by the thickness of the upper case and faces the opening. A hook knob that is slidably engaged with the free end of the switch using a guide provided therein, and a hook knob that is inserted into the opening on the side that contacts the upper case of the handset and that can be inserted to press the hook knob. It is equipped with a pusher.

[Embodiment] A preferred embodiment of the hook switch structure of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 and 2, the hook switch structure of the present invention comprises a casing covered by an upper case 1 and a lower case 2 having a slit-shaped opening 9, and a handset 4.

The free end 5b of the switch 5 attached to the printed circuit board 3 attached to the lower case 2 is recessed by the thickness of the upper case 1 as shown in FIG. It faces the opening 9 of the upper case 1 and engages with the slidable hook knob 6 by means of a guide 10 provided inside the upper case 1.

The handset 4 is provided with a narrow hook knob pusher 7 on the side that contacts the upper case 1, on which the handset 4 is placed or hung.

Note that the hook knob 6 is provided inside the upper case 1, and even when the pressure from the handset 4 is released, a portion of the hook knob 6 does not protrude from the upper case 1 as in the conventional example, and the guide 1 provided on the upper case 1 moves forward.
0, and as the hook knob pusher 7 is pressed or released, the free end 5b pivots about the pivot point 5a.

Further, the hook knob pusher 7 also serves as a hook for hanging on the wall, as shown in FIG.

The operation will be explained using an intercom as an example.

When making a call, when the handset 4 is picked up from the upper case 1 after being called by the door handset, the spring pressure of the switch 5 moves the handset 4 to the pivot point 5 as shown in FIG.
The free end 5b pivots about a, the hook knob 6 disengages from the hook knob pusher 7, slides along the guide 10, and is pushed up towards the upper case 1, not shown in the figure. However, the switch 5 is turned on for the printed circuit board 3, and a call can be made.

Conversely, by placing or hanging the handset 4 on the upper case 1, the hook knob press 7 of the handset 4 presses the hook knob 6 from the opening 9 provided in the upper case 1, as shown in FIG.
The hook knob 6 slides along the guide 10, and the free end 5b of the switch 5 pivots about the pivot point 5a and is pressed toward the printed circuit board 3, which is not shown in the figure. In contrast, it becomes OFF and the call ends.

In these cases, the hook knob 6 is supported by a guide 10 and slides linearly along the guide 10 by engaging or disengaging with the hook knob pusher 7, so that the handset 4 cannot be picked up from the upper case 1 or When the switch 5 is placed on or hung on the upper case 1, the free end 5b of the switch 5 pivots about the pivot point 5a, and the switch 5 is reliably turned on and off.

[Effects of the invention] As is clear from the above explanation, the hook switch structure of the invention consists of a casing covered by an upper case and a lower case with slit-shaped openings, and a handset. , a switch consisting of a free end that is mounted on a printed circuit board attached to the lower case and can pivot freely about a pivot point, and a switch that is recessed by the thickness of the upper case and faces the opening and is located inside the upper case. A hook knob that is slidably engaged with the free end of the switch using a guide provided on the handle, and a hook knob pusher that is inserted through an opening provided on the side that contacts the upper case of the handset and that can press the hook knob. Because the hook knob is supported by the guide and slides linearly along the guide by engaging or disengaging the hook knob pusher, it is not possible to pick up the handset from the upper case or place the handset on the upper case. Depending on whether the switch is placed or hung, the free end of the switch pivots around the pivot point, ensuring reliable ON/OFF operation. If you press this button and the call is disconnected, or if the phone makes a ringing sound through the handset's speaker, you may be surprised to hear a loud sound coming from the handset when the phone is ringing just as you press the hook knob by mistake while holding the handset to your ear. This eliminates such problems and makes it possible to reliably press the hook knob only at the end of a call.

In addition, while conventional switch structures require high precision in positioning the switch with respect to the board during the manufacturing process, the switch structure of the present invention does not require particular precision in positioning the switch with respect to the board, making manufacturing easier. This reduces product variation.

[Brief explanation of the drawing]

FIG. 1 is a plan view of the hook switch structure of the present invention, FIG. 2 is a partial cross-sectional view of the hook switch structure of the present invention in a call state, and FIG. 3 is an enlarged portion of the hook switch structure of the present invention in a call end state. 4 is a plan view of a conventional hook switch structure, and FIG. 5 is a partial sectional view of the conventional hook switch structure in a communication state. 1... Upper case, 2... Lower case, 3...
Printed circuit board, 4... handset, 5... switch, 5a... pivot point, 5b... free end, 6...
...Hook knob, 7...Hook knob push, 9...Opening, 10...Guide.

Claims (1)

[Scope of utility model registration request] It consists of a housing covered by an upper case 1 and a lower case 2 having a slit-shaped opening 9, and a handset 4, which is mounted on a printed circuit board 3 attached to the lower case and has a pivot point 5a. A switch 5 consisting of a free end portion 5b that can freely pivot about the center, and a guide 10 that is recessed by the thickness of the upper case and is provided inside the upper case so as to face the opening. a hook knob 6 that pressably engages the free end of the switch;
and a hook knob pusher 7 which is provided on a side of the handset in contact with the upper case and which is inserted through the opening and can press the hook knob.