JP2013207741A - Intercom - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an intercom in which a hook switch can be turned off reliably even when a user does not correctly set a handset after talk.SOLUTION: A first supporting part 15, a second supporting part 17 and a hook switch 19 are provided in a handset mounting part 12 of an intercom body 11. In the state where the first supporting part 15 supports a transmitter 14 of a handset 13 and the second supporting part 17 supports a receiver 16 of the handset 13, the receiver 16 turns off the hook switch 19. A first protrusion 18 is formed which guides the transmitter 14 in the first supporting part 15, and a second protrusion 20 is formed which is fitted into an ear pad recess 16b of the receiver 16 in the second supporting part 17. Heights of the first protrusion 18 and the second protrusion 20 are set to such a relation that a distal end of the second protrusion 20 becomes higher than a distal end of the first protrusion 18 (H2>H1) in the state where the intercom body 11 is installed obliquely on a horizontal plane.

Description

  The present invention relates to an interphone for turning on / off a hook switch provided in an interphone body by a handset.

  Conventionally, an interphone as shown in FIG. 5 is known. The interphone 50 includes a handset mounting portion 52 on one side of the interphone main body 51. The handset mounting portion 52 is formed with a first support portion 55 that supports the transmission portion 54 of the handset 53 and a second support portion 57 that supports the reception portion 56 of the handset 53.

  A protrusion 58 for guiding the transmitter 56 is formed on the first support portion 55, and a hook switch 59 is provided on the second support portion 57. Then, when the handset 53 is lifted from the mounting portion 52, the hook switch 59 is turned on, and the hook switch 59 is turned on with the transmitter 54 and receiver 56 set on the first and second support portions 55, 57. It is designed to turn off.

  Japanese Patent Application Laid-Open No. 2004-228561 describes a technique for preventing the handset from shaking and tilting by fitting two protrusions on the interphone main body side into recesses provided in the receiver and transmitter of the handset. Japanese Patent Application Laid-Open No. 2004-228561 describes a technique that enables the interphone main body to be formed thin by reducing the ON / OFF stroke of the hook switch.

JP 2002-158759 A JP 2003-069683 A

  However, according to the conventional interphone 50, as shown in FIG. 6, when the interphone main body 52 is installed obliquely on a horizontal plane, the second support portion 57 has the same height (H) as the protrusion 58. Become. For this reason, if the user does not set the handset 53 in the normal position after the call and the transmitter 54 is placed on the protrusion 58, the mass balance is balanced and the handset 53 is held horizontally, and the receiver 56 is There is a problem that the two support portions 57 are not supported correctly and the hook switch 59 is left in an ON state.

  The present invention has been made paying attention to the above problems, and an object of the present invention is to provide an intercom that can reliably turn off a hook switch even when a user does not set the handset correctly after a call.

  In order to solve the above problems, the present invention provides a handset mounting portion of an intercom body with a hook switch, a first support portion, and a second support portion, and the first support portion supports the transmitting portion of the handset. The following characteristic means is provided in the interphone in which the hook switch is turned off in a state where the two support units support the handset receiver.

(1) The handset mounting portion is provided with a first protrusion that engages with the transmitter and a second protrusion that engages with the receiver, and the height of the first and second protrusions is determined by the handset by gravity. The intercom is characterized in that it is set in such a relationship that it slides in the direction of releasing the engagement with the transmitter. Specifically, the heights of the first and second protrusions are set such that the tip of the second protrusion is higher than the tip of the first protrusion in a state where the intercom body is installed obliquely on a horizontal plane. The

(2) When the ear receiving recess is formed in the receiver of the handset, the width of the second protrusion is set shorter than the passing dimension of the ear receiving recess, and the engagement between the first protrusion and the transmitter is released In addition, the intercom is characterized in that the second protrusion is fitted into the ear pad recess.

(3) The intercom, wherein the second protrusion is formed in a sharp shape in which the thickness on the distal end side is thinner than the proximal end.

  According to the intercom of the present invention, when the user places the handset's transmitter on the first protrusion after a call, the handset is moved by the action of gravity determined by the height relationship between the first protrusion and the second protrusion. It slides in a direction to release the engagement between the transmitter and the first protrusion. For this reason, the transmitting part is correctly supported by the first supporting part and the receiving part is correctly supported by the second supporting part, respectively, so that the hook switch can be surely turned off.

It is a perspective view of the intercom which shows one embodiment of the present invention. It is an elevation view which shows the usage pattern of the intercom from which a handset becomes horizontal. It is a perspective view which expands and shows the receiving part and 2nd support part of a handset. It is an elevation view which shows the usage pattern which installed the intercom diagonally on the horizontal surface. It is a perspective view which shows the conventional intercom partially. It is an elevation which shows the problem of the conventional intercom.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The intercom 1 shown in FIGS. 1 and 2 includes a first support 15, a second support 17, and a hook switch 19 in the handset mounting portion 12 of the interphone main body 11, as in the prior art, and the first support 15 is a handset. In the state where the 13 transmitting parts 14 are supported and the second supporting part 17 supports the receiving part 16 of the handset 13, the receiving part 16 turns off the hook switch 19.

  The first support portion 15 is formed with an inclined surface 15a for sliding the transmitting portion 14 and a first protrusion 18 for guiding the transmitting portion 14 to the inclined surface 15a. The second support portion 17 is formed with an abutment surface 17a that abuts on the jaw portion 16a (see FIG. 2) of the earpiece 16 and a second protrusion 20 that fits into the ear pad recess 16b of the earpiece 16. The earpiece 16 is held at a position where the hook switch 19 is turned off by the two protrusions 20 and the contact surface 16a.

  As shown in FIG. 4, the height of the first protrusion 18 and the second protrusion 20 is such that the tip of the second protrusion 20 is higher than the tip of the first protrusion 18 in a state where the intercom body 12 is installed obliquely on a horizontal plane. The relationship is set so as to increase (H2> H1). Then, when the transmitter 14 is placed on the first protrusion 18, the direction in which the handset 13 releases the engagement between the first protrusion 18 and the transmitter 14 by gravity (the arrow direction in FIG. 4 a). It comes to slide to the side.

  As shown in FIG. 3, the ear pad recess 16b is formed in a circular shape in the receiver 16, and the width (W) of the second protrusion 20 is set shorter than the passing dimension (diameter dimension: D) of the ear pad recess 16b. ing. Thereby, when the engagement between the first protrusion 18 and the transmitter 14 is released, the second protrusion 20 is smoothly inserted into the ear pad recess 16a. Moreover, the 2nd protrusion 20 is formed in the acute shape from which the thickness of the front end side becomes thin rather than a base end so that a contact area with the receiving part 16 may become small.

  The intercom 1 configured as described above can be used in either a form in which the handset 13 is horizontal (see FIG. 2) or a form in which the handset 13 is inclined (see FIG. 4). In the oblique use mode, the second protrusion 20 is higher than the first protrusion 18, so that the user does not set the handset 13 at the normal position and the transmitter 14 is placed in the first position as shown in FIG. When placed on one projection 18, the mass balance becomes unbalanced and the handset 13 slides in the direction of the arrow due to gravity.

  For this reason, as shown in FIG. 4B, the engagement between the transmitting portion 14 and the first protrusion 18 is automatically released, and the transmitting portion 14 and the receiving portion 16 are connected to the first and second support portions 15. , 17 and the hook switch 19 can be reliably turned off by the receiver 16. Further, since the second protrusion 20 is sharply formed and the width thereof is set to be shorter than the diameter of the ear pad recess 16a, the frictional resistance between the second protrusion 20 and the receiver 16 is reduced, and the transmission is performed. The portion 14 can be smoothly slid down from the first protrusion 18 to the first support portion 15, and the second protrusion 20 can be reliably inserted into the ear pad recess 16 b.

  The present invention is not limited to the above-described embodiment. For example, a non-contact switch is used as the hook switch 19 or the position of the hook switch 19 is changed. It is also possible to carry out by appropriately changing the shape and configuration of each part.

DESCRIPTION OF SYMBOLS 1 Intercom 11 Interphone main body 12 Handset mounting part 13 Handset 14 Transmission part 15 1st support part 16 Earpiece part 16b Ear contact recessed part 17 2nd support part 18 1st protrusion 19 Hook switch 20 2nd protrusion

Claims (3)

A hook switch, a first support part, and a second support part are provided in the handset mounting part of the intercom body, the first support part supports the handset transmitting part, and the second support part supports the handset receiving part. In the interphone where the hook switch is turned off,
The handset mounting portion is provided with a first protrusion that engages with the transmitter and a second protrusion that engages with the receiver, and the height of the first and second protrusions is determined by the gravity of the handset due to gravity. An intercom characterized in that it is set in such a relationship that it slides in a direction to release the engagement between the first protrusion and the transmitter.   An ear rest recess is formed in the earpiece of the handset, the width of the second protrusion is set shorter than the passing dimension of the ear rest recess, and the engagement between the first protrusion and the transmitter is released. The intercom according to claim 1, wherein the second protrusion fits into the ear pad recess when the second protrusion is inserted.   The intercom according to claim 1 or 2, wherein the second protrusion is formed in a sharp shape in which a thickness on a distal end side is thinner than a proximal end.

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