JPS6314377Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a connection cord for a wireless microphone that electrically connects a small microphone used by attaching it to the collar of a jacket, etc., and a portable transmitter used by storing it in a pocket of clothing. .

Conventionally, this type of wireless microphone connection cord has been provided with connectors 2 and 3 at both ends of a cord body 1, one of which is connected to a transmitter 4, as shown in FIG. It is known that the other connector 3 is connected to the microphone 7. However, if you hold the transmitter 4 and suspend the microphone 7 from the cord body 1 as shown in the same figure, for example, the cord body will break at the end 8a of the knob 8 of the transmitter side connector 2. There was a problem in that a strong tensile force was applied to the cord body 1, and the signal line (not shown) in the cord body 1 was cut at the joint portion of the cord body 1 with the knob end 8a.

The present invention was made in view of such conventional problems, and aims to prevent tensile force from being applied to the cord body at the end of at least one connector knob. , a connecting member is disposed in the middle in the longitudinal direction of the cord body, and the connecting member and the connector knob can be releasably connected via engagement connecting means formed on both members, and in this connected state, The cord main body portion between the connector knob and the connecting member is held in a U-shaped curved state.

Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

2 to 5 show an example of a connection cord for a wireless microphone according to the present invention, the cord main body 1 is made of a long covered wire having predetermined dimensions, and there is a signal wire (not shown) inside. has.
Note that, depending on the application, an antenna wire may be included in addition to the signal wire. A plug 2 and a jack 3 are attached to both ends of the cord main body 1, and the plug 2 is inserted and attached to the connection part 5 of the transmitter 4, and the jack 3 is connected to the microphone 7 for use. Ru. Plug (transmitter side connector) 2 and jack (microphone side connector) 3 have knobs 8 and 9 molded with synthetic resin along and covering cord body 1, respectively. On the other hand, a connecting member 10 molded with synthetic resin is disposed in a fixed position in the middle of the cord main body 1 near the plug 2 in the longitudinal direction, similarly to the knobs 8 and 9 described above. However, within this connecting member 10, the cord main body 1 is bent to prevent it from coming off. That is, as shown in FIG. 3, in order to mold the connecting member 10 with resin, two-part molds 11 and 12 corresponding to the external shape of the connecting member 10 are prepared, and one mold is placed in the upper mold 11. While forming the insertion hole 14a for the pin-shaped core 13a, the insertion hole 14 is formed in the lower mold 12.
A pair of insertion holes 14b, 14b on both left and right sides in the figure a.
form. Then, after inserting the middle part of the cord body 1 between both molds 11 and 12 in a positioning manner,
A pair of pin-shaped cores 13b, 13b are inserted into the lower mold side insertion holes 14b, 14b, the tips of each core 13b are brought into contact with the lower half of the circumferential surface of the cord body 1, and at the same time, the upper mold A pin-shaped core 13a is inserted into the side insertion hole 14a.
is inserted through the core 13a, and the tip of the core 13a is pressed against the upper half of the circumferential surface of the cord main body 1, thereby bending the cord main body 1 into a V-shape or a U-shape. Thereafter, a resin material such as soft vinyl chloride resin is injected through the gate 15 and molded. By bending the cord main body 1 in a fixed manner within the connecting member 10 in this manner, it is possible to prevent the connecting member 10 from coming off.

Engagement and connection means 16 and 17 are integrally formed on the connection member 10 and the plug knob 8, respectively. Of these, the engagement connection means 16 of the plug knob 8 is formed as a stepped engagement circumferential portion having a small diameter and has play restriction surfaces 18, 18 on both sides in the longitudinal direction of the cord main body 1. The engaging connection means 17 are designed as clips. This clip 17 has one clamping piece 19a placed in the center of the top and bottom, and the other clamping pieces 19b, 1
9b are arranged at the upper and lower ends, and the stepped engaging circumferential portion 16 is elastically tightened and clamped along the circumferential surface thereof.

In such a case, as shown in Figure 4, transmitter 4
With the plug 2 inserted into the connection part 5 of the
is clamped and fixed to the stepped engagement peripheral portion 16 of the plug knob 8. At this time, the other clamping pieces 19b, 19b
The upper and lower ends of the connecting member 10 are brought into elastic contact with the free movement regulating surfaces 18, 18, thereby causing the connecting member 10 to close to the plug knob 8.
It is clamped and held in a fixed vertical position. In this state, the cord main body portion 1a between the plug knob 8 and the connecting member 10 is maintained in a U-shaped curved state, and the cord main body 1 and the microphone 7
The tensile force generated when the is suspended is received by the connecting portion of the engagement connecting means 16 and 17,
It does not extend to the joint portion between the end 8a of the plug knob 8 of the cord body 1 and the tip 10a of the connecting member 10.

In normal use, as shown in FIG. 5, the engagement and connection means 16 and 17 are disengaged, and the transmitter 4 is positioned in the lower part of the user, such as in the pocket of pants. The microphone 7 is positioned on the upper part of the user, such as on the collar of a jacket.

Note that the connecting member 10 is disposed closer to the jack 3, and one engagement connecting means 16 is connected to the jack knob 9.
Alternatively, the connecting member 10 may be provided at two locations on the cord body 1, and the connecting member 10 may be engaged and connected to the plug 2 side and the jack 3 side, respectively.

As explained above, according to the present invention, a connecting member is disposed in a fixed position midway in the longitudinal direction of the cord body, and engagement connecting means are formed between the connecting member and the knob of at least one connector. death,
The two are detachably connected via both engaging and connecting means. Therefore, when the connector knob and the connecting member are engaged and connected, the cord main part between them is held in a U-shaped curved state, and the tensile force due to the weight of the microphone or transmitter is applied to the connection between the two engaging and connecting means. Since it is received and absorbed at the end of the cord body and does not reach the joint part with the end of the connector knob of the cord body, it is possible to prevent the signal line, etc. inside the cord body from being disconnected at the joint part.
This makes it possible to extend the service life of the connection cord itself.

[Brief explanation of the drawing]

FIG. 1 is a front view showing a conventional example. 2 to 5 show an embodiment of the present invention, FIG. 2 is an enlarged front view of the main part, FIG. 3 is a schematic sectional view showing the forming process of the connecting member, and FIG. 4 is the engagement connecting means. FIG. 5 is a front view showing a state in which it is connected and FIG. 5 is a front view showing a state in which it is normally used. 1... Cord body, 2, 3... Connector, 4...
...Transmitter, 7... Microphone, 8, 9... Connector knob, 10... Connecting member, 18... Movement regulating surface.

Claims (1)

[Claims for Utility Model Registration] (1) In a connection cord for a wireless microphone, which has connectors at both ends of a long cord main body that are conductively connected to a microphone and a transmitter, at least one connector The connector knob and a connecting member fixedly disposed in the middle in the longitudinal direction of the cord body are molded with synthetic resin along the cord body and in a state that covers the cord body, respectively, and the connector knob 1. A connection cord for a wireless microphone, characterized in that an engagement connection means is formed on each connection member to detachably connect the two. (2) At least one of the connector knobs and the connecting member is formed as a stepped engaging circumferential portion having play-restricting surfaces on both sides in the longitudinal direction of the cord body, and the other engaging 2. The wireless microphone connection cord according to claim 1, wherein the connecting means is formed as a clip that is removably hooked onto the stepped engagement circumferential portion. (3) The connection cord for a wireless microphone according to claim 1, wherein the cord body is bent within the connecting member to prevent it from coming off.