JP2553879Y2 - Connector pull-out prevention structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector disconnection preventing structure for preventing a connected connector from being disconnected for cable relay.

[0002]

2. Description of the Related Art Conventionally, when an RCA cable is relayed and extended, as shown in FIG. 11, an RCA joint connector 21 having an RCA female connector 1c on both sides is provided with an RCA cable provided at an end of the first cable 3. The male connector 3a was inserted and connected.

[0003] As shown in FIG.
RCA female connector 22 with lock hole 22b provided at the end of
a, a lock claw also provided at the end of the RCA cable 23
Insert the RCA male connector 23a with 23b
The A cables 22 and 23 are relayed, and the lock holes 22b and the lock claws 23b are engaged and locked so that the connectors 22a and 23a are not disconnected.

[0004] Further, as shown in FIG.
RCA male connector 24a with ring nut 24b at the end
Into the RCA female connector 8a shown in FIG. 3, for example, and turn the ring nut 24b (arrow) counterclockwise to
The respective shield fittings 24c are operated toward the center of the RCA male connector 24a, and the shield fittings 8b of the RCA female connector 8a are tightened to connect the RCA connectors 24a, 8a and lock them so that they do not come off. .

[0005]

However, in the conventional connection structure of the RCA connector described above, when an RCA male connector is inserted into the RCA joint connector shown in FIG. 11, an external force in the direction of arrow L is applied for some reason. RC
The A male connector sometimes came off.

Further, the connector using the RCA connector having a lock hole and a lock claw shown in FIG. 12 does not come off, but has no effect when connected to an RCA connector without a lock mechanism.

Further, an RCA with a ring nut shown in FIG.
In the case of using a male connector, the connector main body and the ring nut must be made of metal in terms of strength, and the mass productivity is poor and the cost is very high.

The present invention has been made in view of the above points, and has as its object to solve the drawbacks of the conventional example and to provide a connector disconnection prevention structure which can be used in common for various types of RCA connectors. It is in.

[0009]

According to the present invention, a connector is provided with a joint connector having a plurality of female connectors at both ends and a male connector provided at both ends of first and second cables. And an L-shaped first and second holder fitting having a plurality of slits at one end and a hole at the other end, and the joint connector. A screw is provided upright in the vicinity of the center of at least one of the first and second holders, and at least one of the holes provided in the first and second holders is made to be a long hole, and the first cable is inserted into a slit of the first holder. The first and second holders are fitted by fitting the second cable into the slits of the second holder fitting, inserting the screws through the holes of the first and second holder fittings, and fastening with the nuts. First and second by metal fittings It is obtained by construction so as to sandwich the cable.

Therefore, even if various types of RCA connectors having different connector lengths can be used in common, the connector can be prevented from coming off.

[0011] The connector of the present invention is provided with a female connector provided at the end of the first cable.
In the connection structure for inserting the male connector provided at the end of the cable and relaying the first and second cables,

One opening surface and at least one first surface facing the first and second surfaces facing each other from the opening surface side.
A slit, at least one protruding wall parallel to the surface and thin on both sides inside the first and second surfaces, and a second slit having the same shape facing the first slit on the convex wall; And a box-shaped connector holder having the male connector and the female connector is inserted into the connector holder in a state where the male connector and the female connector are connected, and the first and second cables are fitted into the first slits respectively, When the wall is not cut off, the first or second cable is fitted into the second slit.

That is, when the length of the connector portion is short, the cable is fitted into all the slits without cutting off the convex wall provided on the connector holder. The convex wall provided on the connector holder is cut off to fit the cable into the remaining slit.

Therefore, even with various types of RCA connectors having different connector lengths, one connector holder can be commonly used by cutting off the convex wall, and the connector can be prevented from coming off.

[0015]

According to the invention, the first and second cables relayed by the joint connector are fitted into slits provided in the first and second holder fittings, respectively, and the joint connector is inserted into the holes of both holder fittings. Insert the screw of
When tightened with a (butterfly) nut, the first and second connectors and the joint connector are sandwiched by the holder brackets, and the male connectors do not come off.

Here, since the holes provided in at least one of the first and second holder fittings are elongated, the position of the holder fitting can be adjusted, and connectors having different lengths can be freely used. Can be sandwiched.

According to the invention, when the length of the connector portion is short, the connector portion that relayed the cable is inserted into the connector holder without cutting off the convex wall provided on the connector holder, and the cable is disconnected. Since the connector is fitted to all the slits of the holder, even if an external force is applied to the cable in a direction in which the connector comes off, the connector comes into contact with the convex wall or the surface of the connector holder, thereby preventing the connector from coming off.

On the other hand, when the length of the connector portion is long,
Cut off the convex wall provided on the connector holder, insert the connector part that relayed the cable into the connector holder, and fit the cable to the remaining slit of the holder bracket, so even if external force is applied in the direction that the connector comes off the cable Since the connector abuts against the surface of the connector holder or another convex wall, the connector is prevented from coming off.

Therefore, even with various types of RCA connectors having different connector lengths, one connector holder can be used in common by separating the convex wall, and the connector can be prevented from coming off.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a connector preventing structure according to the present invention will be described with reference to FIGS.

The same parts as those in the conventional example are denoted by the same reference numerals, and description thereof will be omitted. In the figure, 1 is an RCA joint connector, and 1c is an RC provided on each of two side surfaces 1a.
A female connector, 2 is a screw set up in the center of the RCA joint connector 1, 3 is a first RCA cable, 3a is an RCA male connector to be inserted into the RCA female connector 1c,
4 is a second RCA cable having the same shape as the first RCA cable 3, and 4a is an RC having the same shape as the RCA male connector 3a.
A male connector, 5 is an L-shaped first holder fitting,
5b is provided at one end 5a of the first holder 5 with two widths of the first holder 5a.
The slits 5c slightly narrower than the outer diameter of the second cable, and the first and second RCAs are slightly wider than the slits 5b.
A cable locking portion having substantially the same outer diameter as the cables 3 and 4;
5e is a long hole for inserting a screw 2 provided at the other end 5d of the first holder metal member 5, 6 is an L-shaped second holder metal member, and 6b is one end 6a of the second holder metal member 6. Two slits, 6c
Is a cable locking portion that is slightly wider than each slit 6b and is substantially the same as the outer diameter of the RCA cables 3 and 4.
A long hole 7 for inserting the screw 2 provided on the other end 6d of the holder 6 is a wing nut.

Reference numeral 8 denotes a third RCA cable, 8a denotes an RCA female connector, 8b denotes a shield, 9 denotes a fourth RCA cable having the same shape as the third RCA cable 8, and 9a denotes an RCA.
This is an RCA male connector that is inserted and connected to the female connector 8a. Reference numeral 10 denotes a box-shaped connector holder made of synthetic resin or metal to prevent the connected connector from coming off, and having one opening surface 10a. 10c is provided downward from the opening surface 10a side of the first surface 10b, and the RCA cable 8,
9 is a slit having a width slightly smaller than the outer diameter of 9 so that the fitted cable does not easily come out. 10d is a cable locking portion which is substantially the same as the outer diameter of the third and fourth RCA cables 8, 9 which are slightly wider than each slit 10c.
e is a second surface provided in parallel with the first surface 10b, 10f is a slit corresponding to a narrow RCA cable narrower than the width of the slit 10c, and 10g is a third surface which is slightly wider than the slit 10f. And RCA thinner than fourth RCA cables 8 and 9
This is a cable locking portion that has substantially the same outer diameter as a cable (not shown).

Reference numeral 10h denotes an engagement protrusion provided on the left side surface of the connector holder 10, and reference numeral 10i denotes a member for engaging the engagement protrusion 10h provided on the right side surface of the connector holder 10 to connect the connector holders 10 in parallel. It is a joint recess. 11 is the first and second surfaces 10b,
Inside 10e, a convex wall provided in parallel with the second surface 10e and in the vicinity of the second surface 10e, the slit 10c and the cable locking portion 10d are located at the same position as the second surface 10e. Is provided. 11a is a convex wall 11 as shown in the enlarged view of the Q section in FIG.
Are thin-walled joints provided on both sides. 12 is a small RCA
The female connector 13 is a small RCA male connector.

A description will be given of the case of connecting and extending the RCA cable with respect to the connector disconnection prevention structure of the present invention configured as described above. In the first embodiment shown in FIGS. 1 and 2, RCA male connectors 3a and 4a are inserted and connected to two RCA female connectors 1c provided on both side surfaces of an RCA joint connector 1 for two circuits, respectively. The two slits 6b of the second holder 6 are connected to the second RCA cable 4 and the second RCA cable 4 by relaying them.
Of the RCA joint connector 1 is inserted into the long hole 6e. Further, the first RCA cable 3 is fitted into the two slits 5b of the first holder metal fitting 5, respectively, pushed into the cable locking portion 6c, and then the screw 2 is inserted into the long hole 5e in the same manner as described above. As shown in FIG. 2, the first and second holder fittings 5, 6 are fastened with the wing nuts 7 adjusted in position so that the slits 5b, 6b are in contact with the RCA male connectors 3a, 4a. As a result, arrows L and R
The two RCA connectors 3a and 4a are prevented from coming off in response to an external force in the direction.

In the second embodiment shown in FIGS.
The RCA male connector 9 is inserted into and connected to the CA female connector 8, the third and fourth RCA cables 8, 9 are relayed, and the connected connectors 8a, 9a are connected to the connector holder.
The third RCA cable 8 is inserted through the opening 10a of the connector holder 10 and the slit 10c provided on the first surface 10b of the connector holder 10.
And push it down to the cable locking part 10d. next,
Connect the fourth RCA cable 9 to the second surface 10e in the same manner as described above.
4 to the state shown in FIG. 4 so that the RCA male connector 9a does not come off from the RCA female connector 8a in response to an external force in the directions of the arrows L and R in the figure.

In the third embodiment shown in FIG. 6, the width of the connector holder 10 is increased, and the slit width and the cable locking portion are provided on both sides of the first and second surfaces 10b and 10e next to the slit 10c. The third and fourth RCA cables 8 and 9 are provided with slits 10g and cable locking portions 10g each having a reduced shape.
It is used to prevent the RCA female connector 8a and male connector 9a provided at the end of the thinner RCA cable from coming off.

In the fourth embodiment shown in FIGS. 7A and 7B, an engaging projection 10h and an engaging recess 10i are provided on the left and right side surfaces of the connector holder 10 that do not have the slit 10c, respectively, and relaying is performed. The RCA female connectors 8a and the RCA male connectors 9a are prevented from coming off in the same manner as in the second embodiment by connecting them in parallel according to the number of RCA cables.

In the fifth embodiment shown in FIGS. 8A, 8B and 10, a convex wall 11 parallel to the first and second surfaces 10b and 10e is provided inside the connector holder 10. The distance between the surface 10b and the convex wall 11 is Y, and the first
A slit 10c and a cable engaging portion 10d are provided at the same position as the slit 10c of the second surface 10b, 10e, and a thin joint portion 11a is formed between both side portions of the convex wall and the connector holder 10. Easy to remove by installing, two types of RC large and small
It can be used to prevent the A connector from coming off.

For example, as shown in FIG. 9, when the length of the RCA female connector 8a and the RCA male connector 9a at the time of connection is X as shown, the first and second surfaces 10a and 10b of the connector holder 10 are provided.
Since the interval between b and 10e is X, the convex wall 11 is removed by means of pliers, etc.
Used to prevent the A female connector 8a and the RCA male connector 9a from coming off.

As shown in FIG. 10, when the length of the RCA female connector 12 and the RCA male connector 13 at the time of connection is Y and smaller than X as shown in FIG.
Since the distance between the surface 10b and the convex wall 11 is Y, the small connectors 12 and 13 connected are inserted from the opening surface 10a of the connector holder 10, and the third RCA cable 8 and the first surface of the connector holder 10 are inserted. 10b, and then push the fourth RCA cable 9 to the cable engaging portion 10d on both the convex wall 11 and the second surface in the same manner as above to use the small connectors 12 and 13 for prevention of disconnection. I do.

Any number of slits 10c may be provided on each of the first and second surfaces of the connector holder 10 as needed.

Further, the width of the slit 10c when a plurality of slits are provided may be the same or several types depending on the thickness of the RCA cable to be used.

Further, any number of convex walls 11 provided inside the connector holder 10 may be provided according to the dimensions of the RCA connector to be used.

The structure for preventing the connector from coming off according to the present invention is as follows.
It goes without saying that the present invention can be applied to prevention of disconnection when connecting the standard plug and jack and the mini plug and jack.

[0035]

According to the connector disconnection preventing structure of the present invention, the following effects can be obtained because the structure is as described above. (1) The detachment of the connected RCA connector can be prevented. (2) Since the holder bracket can slide in the longitudinal direction, any RCA connector can be used. (3) A large number of types of R
Compatible with CA cables and RCA connectors. (4) If the connector holder is made of a synthetic resin, the external design can be easily adapted to the RCA connector.

(5) Any RCA connector can be handled by cutting off the convex wall provided on the connector holder.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a structure for preventing a connector from being detached by a holder according to the present invention.

FIG. 2 is a cross-sectional view showing the same structure.

FIG. 3 is a side view showing an RCA female connector and an RCA male connector.

FIG. 4 is a cross-sectional view illustrating a structure for preventing a connector from being detached by the connector holder according to the present invention;

FIG. 5 is a perspective view showing the connector holder.

FIG. 6 is a front view showing a state where two types of slits are provided in the connector holder.

FIG. 7A is a front view showing a connection structure of the connector holder. (B) It is a perspective view which shows the connection structure of the connector holder.

FIG. 8A is a perspective view showing a state in which a convex wall is provided on the connector holder. (B) It is a plane enlarged view of the connector holder Q part.

FIG. 9 is a side view showing a state where a large RCA connector is connected.

FIG. 10 is a side view showing a state where a small RCA connector is connected.

FIG. 11 is a side view showing a conventional RCA joint connector and an RCA male connector.

FIG. 12 is a perspective view showing the RCA connector with the lock mechanism.

FIG. 13 is a perspective view showing an RCA male connector with a lock mechanism using the ring nut.

[Description of Signs] 1 RCA joint connector 1a Side 1c RCA female connector 2 Screw 3 First RCA cable 3a, 4a RCA male connector 4 Second RCA cable 5 First holder fitting 5b, 6b Slit 5c, 6c Cable Locking portions 5e, 6e Long hole 6 Second holder fitting 7 Wing nut 8 Third RCA cable 8a RCA female connector 9 Fourth RCA cable 9a RCA male connector 10 Connector holder 10a Opening surface 10b First surface 10c, 10f Slit 10d, 10g Cable locking part 10e Second surface 10h Engagement convex part 10i Engagement concave part 11 Convex wall 11a Thin joint part 12 RCA female connector 13 RCA male connector

Claims (2)

(57) [Scope of request for utility model registration] 1. A male connector provided at both ends of a first and a second cable is inserted into a joint connector having a plurality of female connectors at both ends to relay the first and second cables. An L-shaped first and second holder fittings having a plurality of slits at one end and a hole at the other end, and a screw erected near the center of the joint connector, At least one of the holes provided in the first and second holders is a long hole, and the first cable is fitted into the slit of the first holder, and the slit of the second holder is inserted into the slit. The second cable is fitted, the screws are inserted into the holes of the first and second holders, fastened with nuts, and the first and second holders are sandwiched between the first and second cables. Characterized in that Connector disconnection prevention structure. 2. A connection structure in which a male connector provided at a second cable end is inserted into a female connector provided at a first cable end to relay the first and second cables. A surface, and at least one first slit respectively opposed to the opposing first and second surfaces from the opening surface side;
Inside the first and second surfaces, at least one protruding wall parallel to the surfaces and having both sides thin, and a second slit of the same shape facing the first slits on the convex walls. Providing a box-shaped connector holder having the male connector and the female connector connected thereto, inserting the male connector and the female connector through the connector holder, fitting the first and second cables into the first slits respectively, and separating the convex wall. A structure for preventing disconnection of a connector, wherein the first or second cable is fitted into the second slit when not connected.