JPH0733537Y2 - Rotary one-touch connector - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The rotary type one-touch connector of the present invention is an outlet box, switch box, concrete box, end cover, etc. (metal,
It can be mounted on any corrugated wiring pipe such as spiral corrugated wiring pipe, arc independent type corrugated wiring pipe, etc. by one-touch insertion and locking.

(Prior Art) As a connector of this type, there has conventionally been a connector as shown in FIG. This was previously developed by the applicant of the present application, and is composed of a connector main body 30 and a cap 33 that is screwed into a male screw 31 of the main body 30 with a cap nut 32. Then, this inserts the insertion end 34 of the connector body 30 into a mounting hole 36 formed in a wall plate 35 of an outlet box, a switch box, a concrete box, etc., and a nut 37 is screwed into the insertion end 34. And tighten the nut 37,
The wall plate 35 is sandwiched between the nut 37 and the connector body 30 so that the connector can be mounted on the wall plate 35. Also,
When the spiral wave-equipped wiring pipe 38 is pushed into the cap 33, the wiring pipe 38 enters while expanding the arm 39 in the cap 33 to the outside, and when the wiring pipe 38 is inserted to a desired position, the arm is inserted.
39 returns by its own spring force, and the locking claw 40 formed at the tip of the arm 39 is fitted into the valley 41 formed on the outer periphery of the corrugated wiring pipe 38 and locked to the mountain 42. The corrugated wiring pipe 38 is attached with one touch. Reference numeral 42 in FIG. 8 denotes an electric wire inserted in the corrugated wiring pipe 38.

(Problems of the prior art) Although the connector has an advantage that it can be mounted with one touch by pushing the spiral wave wiring conduit 38, the corrugated wiring conduit 38 is inserted because the arm 39 is integrated with the cap 33. Then, even if the user wants to change the direction of the conduit 38 to a vertical, horizontal, or diagonal direction, the arm 39 does not move, so that the direction cannot be changed. Further, since the arm 39 and the cap 33 are integrated, the cap nut 32 becomes large, resulting in a large basis weight (cost increase).

(Purpose of the Invention) The object of the present invention is a rotary that allows one-touch mounting by simply pushing in a spiral-wound wiring pipe or an arc-independent wavy wiring pipe, and the direction of the wavy wiring pipe can be changed even after mounting. The purpose is to provide a one-touch connector.

(Means for Solving Problems) The rotary type one-touch connector of the present invention is, as shown in FIG. 1, an insertion end portion 3 which is inserted into a mounting hole 2 of a mounting body 1 such as an outlet box and an end cover and mounted. Is formed at one end and a cap screwing portion 4 is formed at the other end, and a detachable mounting portion 6 is formed at the one end on the cap screwing portion 4 and the tip 7 is gradually moved forward. A cap 8 formed to be thin, a connector main body 5 and a cap 8 that are fitted to each other are housed inside the cap 8 so as to be rotatable in the circumferential direction thereof and slidable in the inserting direction of the corrugated wiring pipe A. The stopper body 9 is formed separately from the connector body 5 and the cap 8.
A plurality of elastically deformable long arms 11 are formed on the wiring pipe insertion end 10 side of the locking body 9, and a retaining member 26 protruding outward is provided on the outer side of the tip end of the arm 11. , The arm
A locking claw 12 for locking the mountain B of the corrugated wiring pipe A inserted into the locking body 9 is provided on the inner side of the portion 11 away from the tip end portion so as to project inward. .

(Operation) In the rotary type one-touch connector of the present invention, the cap 8 in which the locking body 9 is housed is attached to the cap screwing portion 4 of the connector body 5, and the insertion end portion 3 of the connector body 5 is firstly attached. As shown in Fig. 5 and Fig. 7, insert into a mounting hole 2 formed in a mounting body 1 such as a switch box and an end cover, screw a nut 13 into the insertion end 3 and tighten the nut 13. Then, the wall plate 14 of the mounting body 1 is sandwiched between the nut 13 and the connector main body 5, and the main body 5 is mounted on the wall plate 14.

Next, as shown in FIGS. 2 and 5, when the spiral corrugated wiring pipe A is pushed into the cap 8, the wiring pipe A is inserted into the locking body 9 in the cap 8 and the locking body 9 is inserted. The arm 11 is pushed outward and elastically deformed to enter. When the corrugated wiring conduit A is inserted to a predetermined position, the arm 11 returns by the spring repulsive force generated by the elastic deformation, and the locking claw 12 of the arm 11 moves to the fifth position.
As shown in the figure, it is fitted into a valley C formed on the outer peripheral surface of the same wiring conduit A. Even if an attempt is made to pull back the same-waved wiring pipe A in this state, the locking claws 12 of the locking body 9 are locked to the ridges B of the same-waved wiring pipe A and cannot be pulled out. That is, the spiral-waved wiring conduit A is mounted with one touch.

In this case, since the locking body 9 is housed inside the connector body 5 and the cap 8 which are fitted to each other as shown in FIG. When a torsional stress is applied to the corrugated wiring pipe A locked to 12, the corrugated wiring pipe A rotates together with the locking body 9 following the torsional stress. Moreover, since the locking body 9 is also slidable in the inserting direction of the corrugated wiring pipe A, not only the rotation but also a slight sliding movement can be performed. For this reason, the corrugated wiring pipe A can be swung even if it is attached to the locking body 9 if torsional stress is applied, and the direction can be freely changed.
Further, the torsional stress applied to the corrugated wiring conduit A is absorbed, and the corrugated wiring conduit A is not broken even if the torsional stress is repeatedly applied.

Further, since the tip 7 of the cap 8 is formed so as to be gradually tapered toward the front, the locking body 9 does not hit the inner surface of the cap 8 and swing more than necessary when swinging. Further, the locking body 9 that is rotatably and slidably housed in the connector body 5 and the cap 8 does not shift in position in the cap 8.

Further, according to the present invention, a plurality of elastically deformable long arms 11 are formed on the side of the wiring tube insertion end 10 of the locking body 9.
A retainer 26 that bulges outward is provided on the outside of the tip of the arm 11, and a corrugated wiring pipe A is inserted into the locking body 9 inside the portion of the arm 11 apart from the tip of the arm 11. Since the locking claw 12 that locks to the mountain B is projected toward the inner side, when the electric wire tube 38 is pulled, the locking body 9 moves forward together and collides with the cap 8 to stop. However, the impact at this time is absorbed by the bending of the arm 11. Therefore, the impact applied to the conduit 38 is alleviated, and the conduit 38 can be prevented from being damaged.

Further, when the electric wire tube 38 is bent in a vertical, horizontal, or oblique direction in a pulled state, the arm 11 of the locking body 9 in contact with the cap 8 is broken and the electric wire tube 38 is covered. Allows the locking part (base) to face various directions. Therefore, according to this connector, even when the conduit 38 is used in a portion that is repeatedly bent or twisted (for example, when used in the wiring structure of a robot arm), the locked portion of the conduit 38 is locked. Trouble such as breakage of (base) is unlikely to occur.

(Embodiment) FIGS. 1 to 7 show an embodiment of the rotary type one-touch connector of the present invention. Of these, 1 in FIGS. 5 and 7 is a mounting body such as an outlet box and an end cover, and 2 is a mounting hole opened in a wall plate 14 of the mounting body.

Reference numeral 5 in FIGS. 1 and 2 denotes a connector main body, which has an insertion end portion 3, a cap screwing portion 4, and a locking body storage portion 15. The insertion end portion 3 is formed to have a thickness that can be inserted into the mounting hole 2 opened in the wall body 14 of the mounting body 1, and a male screw is formed on the outer circumference. A mounting screw 16 is formed on the outer periphery of the cap screwing portion 4. As shown in FIG. 2, the inside of the locking body storage portion 15 is recessed so that one end 9a of the locking body 9 can be stored therein, and the receiving surface 17 for receiving the rear end portion of the locking body 9 is formed in the inside thereof. The receiving surface 17 is tapered so as to gradually inward toward the insertion end 3 side. Further, a conduit guide portion 18 is formed at the back of the receiving surface 17, which is tapered toward the insertion end 3 side inwardly at a steeper angle than the receiving surface 17 so that the locking body 9 is secured. Inserted corrugated conduit A
Are introduced into the through hole 3a of the insertion end portion 3.

Reference numeral 8 in FIGS. 1 and 2 denotes a cap, which has a mounting portion 6 formed at one end, and a connecting screw 20 which can be screwed with the connecting screw 19 of the connector body 5 is formed inside thereof. The tip of the cap 8 is tapered so that it becomes thinner, and a stopper 22 is formed at the insertion port 21 of the cap 8 so that the locking body 9 housed therein cannot be pulled out to the outside.

Reference numeral 9 in FIGS. 1 and 2 denotes a locking body, which inserts and locks the spiral corrugated wiring pipe as shown in FIG. In this locking body 9, a plurality of arms 11 are formed at the corrugated wiring pipe insertion end 10 side at even intervals in the circumferential direction of the locking body 9, and the inner surfaces of each arm 11 are shown in FIGS. As shown in the figure, the locking claw 12 is formed so as to project inward. The front of this locking claw 12
As shown in FIG. 2, the reference numeral 23 is provided so as to gradually project inward toward the inner side so as not to get in the way when the corrugated wiring pipe A is pushed into the locking body 9 and the rear surface 24 of the locking claw 12. Is vertically projecting inward as shown in FIG. 4, and even if an attempt is made to pull back the corrugated wiring pipe A inserted into the locking body 9, the mountain B of the corrugated wiring pipe A is locked to the rear surface 24 of the corrugated wiring pipe A. I try not to come out. Also on the rear side 24
As shown in FIG. 4, a plurality of protrusions 25 are formed to prevent the corrugated wiring pipe A inserted into the locking body 9 from slipping and rotating in the locking body 9. .

Since the locking body 9 of FIGS. 2 to 4 is for locking the insertion of the spiral corrugated wiring pipe A, the position of the locking claw 12 of each arm 11 is as shown in FIGS. 1 and 2. Further, they are shifted in the front-rear direction according to the spiral pitch of the mountain B of the wiring pipe A with spiral waves.

The locking body 9 in FIG. 6 is for locking the arc independent type corrugated wiring pipe A as shown in FIG. Since the peaks of the arc-independent corrugated wiring pipe are parallel, the locking claws 12 of the arms 11 of the locking body 9 in FIG. 6 are formed at the same position.

Also in the case of the locking body 9 for inserting and locking the spiral-waved wiring pipe,
Also in the case of the locking body 9 for inserting and locking the arc independent wiring pipe A, instead of forming the locking claws 12 on all the arms 11,
For example, if not formed on the two or three arms 11, the corrugated wiring pipe A can be easily inserted.

On the outer periphery of the distal end portion of each arm 11 of the locking body 9 in FIGS. 1 to 7, there is formed a tapered retaining claw 26 that is inclined inward toward the front.

The arm 11 is formed with a length such that the locking claw 12 and the retaining claw 26 can be separated from each other.

(Effect of the Invention) The rotary one-touch connector of the present invention has the following effects.

(1) One-touch mounting is possible simply by pushing in the corrugated wiring pipe A, so workability is good.

(2) The direction can be freely changed even after the corrugated wiring pipe A is mounted, which is convenient for piping work.

(3) Since the locking body 9 can be used for both corrugated wiring pipes by simply replacing the one for the spiral corrugated wiring pipe and the one for the arc independent type corrugated wiring pipe, one connector main body 5 and the cap 8 can be used. It is convenient because it can be shared for both conduits.

(4) The corrugated wiring pipe A is not broken even if torsional stress is repeatedly applied to the corrugated wiring pipe A locked by the locking claws 12 of the locking body 9.

(5) Since the tip end 7 of the cap 8 is gradually tapered toward the front, the locking body 9 does not swing more than necessary and is not displaced in the cap 8.

(6) A plurality of elastically deformable long arms 11 are formed on the wiring pipe insertion end 10 side of the locking body 9, and a retaining member 26 that bulges outward is projected outside the tip end of the arm 11. A locking claw 12 for locking the mountain B of the corrugated wiring pipe A inserted into the locking body 9 is provided inside the portion of the arm 11 away from the tip end of the arm 11. Therefore, when the conduit tube 38 is pulled, the locking body 9 moves forward and collides with the cap 8 to stop, but the shock at this time is absorbed by the bending of the arm 11. Therefore, the impact applied to the conduit 38 is alleviated, and the conduit 38 can be prevented from being damaged.

(7) When the conduit tube 38 is bent in a vertical, horizontal, or diagonal direction while being pulled, the arm 11 of the locking body 9 in contact with the cap 8 is broken and the conduit tube 38 is covered. Allows the locking part (base) to face various directions. Therefore, according to this connector, even when the conduit 38 is used in a portion where it is repeatedly bent or twisted (for example, when it is used in a wiring structure of a robot arm), the conduit 38
Trouble such as breakage of the locked part (base part) is unlikely to occur.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded view showing an embodiment of a rotary type one-touch connector of the present invention, FIG. 2 is a longitudinal sectional view of the same connector when assembled, and FIG. 3 is a locking in the present invention. FIG. 4 is a perspective view of the body seen from the front, FIG. 4 is a perspective view of the locking body seen from the rear, and FIG.
FIG. 6 is a vertical sectional view showing an example of use of the connector of the present invention in which a wiring tube with a spiral wave is attached, FIG. 6 is a vertical sectional view showing another example of the connector of the present invention, and FIG. 7 is a connector of FIG. FIG. 8 is a vertical cross-sectional view showing a usage example in which a circular independent wave-type wiring pipe is mounted, and FIG. 8 is a vertical cross-sectional view showing a usage example in which a spiral-wave wiring pipe is mounted on a conventional connector. A is a corrugated wiring pipe B is a corrugated wiring pipe mountain 1 is a mounting body 2 is a mounting hole 3 is an insertion end portion 4 is a cap screwing portion 5 is a connector body 6 is a mounting portion 7 is a cap end portion 8 is a cap 9 Is the locking body 10 is the wiring pipe insertion end of the locking body 11 is the arm 12 is the locking claw

Claims (1)

[Scope of utility model registration request] 1. An insertion end portion 3 to be inserted into a mounting hole 2 of a mounting body 1 such as an outlet box or an end cover and mounted.
Is formed at one end and a cap screwing portion 4 is formed at the other end, and a detachable mounting portion 6 is formed at the one end on the cap screwing portion 4 and the tip 7 is gradually moved forward. A cap 8 formed to be thin, a connector main body 5 and a cap 8 that are fitted to each other are housed inside the cap 8 so as to be rotatable in the circumferential direction thereof and slidable in the inserting direction of the corrugated wiring pipe A. The locking body 9 is formed separately from the connector body 5 and the cap 8, and a plurality of elastically deformable long arms 11 are provided on the wiring pipe insertion end 10 side of the locking body 9. A retainer 26, which is formed and is bulged outwardly, is provided on the outside of the tip of the arm 11, and is inserted into the locking body 9 inside the portion of the arm 11 apart from the tip. A locking claw 12 that locks to the mountain B of the corrugated wiring pipe A is provided so as to project inward. Rotary one-touch connector characterized by comprising.