JPH018052Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a telephone handset and, more particularly, to improvements in a holding structure for a transmitter and a handset housed in a cover.

[Technical background of the invention]

Generally, a handset H that is held and used by a speaker as shown in FIG.
12 is provided, and the transmitter 2 and the receiver 3 are housed therein. In addition, 4 in Figure 2
5 indicates a jack for connecting the transmitter 2 and receiver 3 to an external curl cord C, and 5 indicates an upper cover.

Incidentally, the transmitter 2 and the receiver 3 need to be securely fixed to the lower cover 1 in order to maintain their acoustic performance. In particular, the transmitter 2 consists of two elements, the transmitter body 21 and the connector block 22, which are stacked one on top of the other and a contact spring is interposed between them for electrical connection, so the contact state changes. It is necessary to fix it more securely to prevent it from happening. Therefore, in the past, retaining rings 6 and 7 were prepared for each of the transmitter 2 and the receiver 3 as shown in FIG.
The transmitter 2 and the receiver 3 are held by fixing them to the receiver 14 with screws 8.

[Problems with background technology]

However, such a conventional structure has the following drawbacks.

(i) Two retaining rings are required and at least four screws 8 are required.
This requirement requires a large number of parts, which increases manufacturing costs and complicates parts management.

(ii) When fixing the transmitter 2 and the receiver 3, it is necessary to hold the retaining rings 6 and 7 with each hand while screwing in the screws 8, which results in poor work efficiency during assembly. Particularly in the case of the transmitter 2, the retaining ring 6 must be attached against the pressing force of the contact spring, which is extremely difficult to do.

[Purpose of invention]

This invention allows the transmitter and handset to be easily and securely fixed to the lower cover with a small number of parts, thereby providing a strong and reliable handset with excellent assembly workability and acoustic characteristics. The purpose is to

[Summary of the idea]

In the present invention, the transmitter and handset housed in the housings provided at both ends of the lower cover are each held by two ring-shaped holding members that are connected to each other by an intermediate member and are structurally integrated. In addition, at least one portion of each of these holding members is fixed to the lower cover by screwing.

[Example of idea]

FIG. 3 shows the structure of a handset in an embodiment of the present invention, and the same parts as in FIG. 2 are given the same reference numerals.

A transmitter 2 and a receiver 3 are accommodated in the accommodating portions 11 and 12 of the lower cover 1, respectively. Moreover, the accommodating parts 11 and 12 are formed so that the transmitter 2 and the receiver 3 can move slightly in the direction toward and away from each other. The transmitter 2 consists of a transmitter body 21 and a connector block 22, and the connector is connected so that a contact spring (provided on the connector block 22, not shown) is pressed into contact with a terminal 21a of the transmitter body 21. A connector block 22 is attached to the connector block 22. A terminal plate 23 and an engagement receiving portion 24 are provided on the upper surface of the connector block 22 for electrical connection with the outside. This engagement receiving portion 24 is for engaging and holding the jack 4 shown in FIG. Further, on the peripheral edge of the connector block 22, there is an engaging flange 2 that is used when holding the transmitter 2 with a holder to be described later.
5 is formed. On the other hand, the handset 3 has a speaker built into the housing, and a terminal plate 31 for external connection is provided on the top of the housing, and an engaging stepped portion 32 is formed on the periphery of the top. There is. This engagement step portion 32 is connected to the engagement flange 2 of the transmitter 2.
5, it is used when holding the telephone receiver 3 with a holder. In addition, 9 in the figure is a gasket interposed between the transmitter 2 and the receiver 3 and the lower cover 1.

Now, the holder shown at 100 in the figure is a ring-shaped holder 10 that engages with the transmitter 2 and the receiver 3.
1, 102, and these holding parts 101, 10
The two are integrally connected by an intermediate member 103. Note that this holder 10
0 is manufactured by integral molding. The above holding part 1
01 has an inner diameter smaller than the outer diameter of the engagement flange 25 and larger than the outer diameter of the connector block 22 so as to be engaged with the engagement flange 25 of the transmitter 2. Furthermore, a recess 108 is provided on the inner circumferential surface of the holding portion 101 . This recess 108
This is to enable the transmitter 2 and the holder 100 to be separated while the jack 4 is attached to the connector block 22. Furthermore, the holding part 10
Two protruding pieces 105 each having a screw hole 104 formed therein are provided on the outer circumferential surface of the one. On the other hand, the holding part 102 on the handset 3 side has an inner diameter larger than the outer diameter of the engagement stepped part 32 of the handset 3 and smaller than the outer diameter of the housing, so that it is engaged when holding the handset 3. It is composed of Also, this holding part 1
One protruding piece 105 having a screw hole 104 formed therein is provided on the outer peripheral surface of 02. Further, the intermediate member 103 is provided with a screw through hole 106 for screwing the upper cover 5 to the lower cover 1.
In addition, a plurality of pin-shaped protrusions 107 are provided on the upper surface portion near each of the holding portions 101 and 102. These pin-shaped protrusions 107 serve to prevent the lead wire 41 from becoming loose by sandwiching the lead wire 41 for connecting the transmitter 2 and the receiver 3 to the jack 4.

In the figure, 110 is a curl cord, and 111 is a plug for connecting this curl cord 110 and the jack 4.

However, in order to assemble such a transmitter and receiver,
First, as shown in FIG. 3, the packing 9, the transmitter main body 21, the contact spring (not shown), and the connector block 22 are stacked and accommodated in the accommodating part 11 of the lower cover 1 in this order, and the accommodating part 12 is A package 9 and a telephone receiver 3 are housed in the holder. Then, in this state, the holder 100 is inserted from above the transmitter 2 and the receiver 3.
are overlapped, and the holding part 101 is engaged with the engagement flange 25 of the connector block 22,
The holding portion 102 is engaged with the engagement stepped portion 32 of the handset 3. Then, with the intermediate member 103 of the holder 100 pressed against the lower cover 1, screws 8 are inserted into the lower cover 1 through the screw holes 104 of the holder 100.
screws onto the bosses 13 and 14 of the transmitter 2 and the receiver 3 to complete fixing. At this time, since the holder 100 is integrated with the screw 8, if the screw 8 is screwed at two places on the transmitter 2 side, only one place on the receiver 3 side is sufficient.

After the transmitter 2 and the receiver 3 are fixed, the jack 4 is fitted into the engagement receiving portion 24 of the connector block 22, and the lead wire 41 extending from the jack 4 is connected to the transmitter 2 and the receiver. 3 to each terminal board 23, 31 respectively. After this connection,
The lead wire 41 is connected to the pin-shaped protrusion 107 of the holder 100.
hold it in place. Then, the upper cover 5 is stacked on the lower cover 1, and in this state, the upper cover 5 is inserted from the lower cover 1 side through the screw through hole 106 of the holder 100.
Screw the screw 20 into the boss (not shown) to complete the assembly. When the curl cord 110 is connected, the plug 111 is inserted into the insertion hole 51 provided in the upper cover 5 and the plug 111 is connected to the jack 4.

On the other hand, when the transmitter 2 and the receiver 3 are to be removed for parts replacement or repair, the assembly procedure described above may be reversed. However, in the structure of this embodiment, since the recess 108 is provided on the inner peripheral surface of the holding part 11, the transmitter 2 can be moved from the position shown in FIG. 4a while the jack 4 is attached to the transmitter 2. By rotating the jack 4 to the position shown in FIG. 4b and aligning the protrusion 41 of the jack 4 with the recess 108, the transmitter 2 and the holder 100 can be separated without removing the jack 4.

With this configuration, there is only one holder 100, and the number of screws 8 can be reduced, so the number of parts is reduced and manufacturing costs can be reduced accordingly.
Also, parts management can be facilitated. Furthermore, during assembly, the intermediate member 10 of the holder 100
Since both the transmitter 2 and the receiver 3 can be held at the same time by simply pressing 3, compared to the conventional method in which holding members are held down and screwed on each of the transmitter 2 side and the receiver 3 side. Therefore, assembly can be performed with good work efficiency. Also, the transmitter 2
the holder 10 so as to straddle the side and the handset 3 side.
Because 0 is inserted, the structural strength of the handset and receiver is increased, and the diameter of the gripping portion of the handset and receiver can be reduced accordingly. Furthermore, since the handset 2 and handset 3 can be fixedly held in cooperation with each other between the handset 2 side and the handset 3 side, shock resistance is improved compared to when they are held individually. It is possible to provide a structurally stable and reliable handset. Further, as described above, since the transmitter 2 can be separated from the holder 100 with the jack 4 still attached, maintenance work can be performed even more easily.

Note that the present invention is not limited to the above embodiments. For example, the lower cover 1 and the holder 10
0 are provided with fitting portions that fit into each other, and after the holder 100 is engaged with the transmitter 2 and the receiver 3 when screwed, the holder 100 is fitted to the lower cover 1 by the fitting portions and temporarily attached. It may be fixed, and the screw 8 may be screwed in this state. In this way, when tightening the screws, the assembly can be performed even more easily without holding down the holder 100. In addition, the shape of the holder 100, the configurations of the transmitter 2 and the receiver 3, etc. can be modified in various ways without departing from the gist of the present invention.

[Effect of idea]

As detailed above, according to the present invention, the transmitter and the handset housed in the housing portions provided at both ends of the lower cover are connected to each other by an intermediate member and are structurally integrated. The transmitter and receiver are each held with a ring-shaped holding member, and each of these holding members is screwed at at least one place to the lower cover, thereby reducing the number of parts for each of the transmitter and receiver. It can be easily and reliably fixed to the lower cover, thereby making it possible to provide a transceiver with excellent assembly workability and acoustic properties, as well as high strength and reliability.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an example of a handset, FIG. 2 is an exploded perspective view showing the structure of a conventional handset, and FIG. 3 is an exploded perspective view showing the structure of a handset according to an embodiment of the present invention. FIGS. 4a and 4b are plan views showing the state in which the transmitter and the holder are held. 1... Lower cover, 2... Transmitter, 3... Handset, 4... Jack, 5... Upper cover, 8...
Screw, 9...Packskin, 21...Telephone body, 2
2... Connector block, 100... Holder, 1
01, 102... Holding part, 103... Intermediate member,
104...Screw through hole, 105...Protruding piece, 107
...Pin-like projection, 110 ...Curl cord, 11
1...Plug.

Claims (1)

[Scope of utility model registration request] In a handset consisting of an upper cover and a lower cover, which are integrated by screwing these covers together, the transmitter and receiver are housed in housing portions provided at both ends of the lower cover, Each of the holding members is held by two ring-shaped holding members that are connected to each other by an intermediate member and are structurally integrated, and each of these holding members is fixed to the lower cover by screwing at least one place. Characteristic handset.