JPH0644053Y2 - Connector device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a connector device for a transmission body that transmits two electrical signals or electric power by connecting two relatively rotating members that have a limited number of rotations. .

(Prior Art) As a connector device of a transmission body that transmits an electric signal, an optical signal, electric power, or the like between a rotating member and a fixed member that relatively rotate within a limited number of rotations, for example, a steering device for a vehicle. Connector device 1 shown in FIG.
It has been known. The connector device 1 is provided inside a movable housing 2 that is attached to a steering shaft and forms an inner cylinder, and a fixed housing 3 that is attached to a vehicle body side and forms an outer cylinder in a rotatable manner. , A flexible band-shaped transmission line (not shown) is spirally housed, and by tightening and loosening the band-shaped transmission line, relative rotation of both housings 2 and 3 is possible.
After manufacturing, the belt-shaped transmission line in the housing is placed in the neutral position where the belt is tightly wound and loosened so that the belt-shaped transmission line can be immediately assembled to the vehicle without checking whether the belt-shaped transmission line is in the neutral position. Both housings 2 and 3 are fixed by a fixed seal 4 before shipment so that the band-shaped transmission line accommodated is adjusted and does not move due to vibration during transportation.

This fixed seal 4 is provided on both housings 2, 3 as shown.
A narrow break portion (4a) having a perforation is formed in the center of the housing, and the break portion (4a) is attached to the connector device so as to straddle both the housings (2, 3). After assembling the connector device with the fixed seal 4 attached to the steering device and then rotating the steering wheel, the breaking portion 4a is broken along the perforations and the housings 2 and 3 are unfixed. . In this way, the fixed seal 4
Is used as a seal for confirming whether or not both the housings 2 and 3 are rotated during the period from the shipment of the connector device 1 to the assembling to the vehicle, and therefore the strip-shaped transmission line is moved from the neutral position during transportation. Has been done.

(Problems to be solved by the invention) However, since the fixed seal 4 is broken at the central breaking portion 4a extending over both the housings 2 and 3, after being assembled to the vehicle,
Movable housing 2 by operating the steering wheel
When is rotated, the fixed seals 4 of the fractured break portion 4a rub against each other to generate an unpleasant hit sound, and the friction of the fixed seals 4 causes the fixed seal 4 to rupture.
There was a problem of peeling from 4a.

The present invention has been made in view of the above points, and provides a connector device in which the rotation of both housings can be regulated, the release of the regulation can be confirmed at a glance, and an unpleasant noise is not generated during use. The purpose is to

(Means for Solving the Problems) In order to achieve the above object, according to the present invention, it is provided with a first and a second housing, and a flexible transmission body housed in the both housings. In a connector device in which both housings can relatively rotate a plurality of times by tightening and loosening the transmission body, a rotation restricting member is detachably attached to either one of the first and second housings. A mounting portion is formed on the other with a locking portion that locks the rotation regulating member to regulate the rotation of both housings, and the rotation regulating member that is mounted on the mounting portion and regulates the rotation of both housings, At least one of the mounting side and the locking side with respect to the housing is sealed with a breaking member that is broken by the separation of the rotation restricting member.

(Operation) Both housings are restricted in rotation by the rotation restricting member mounted on the mounting portion. When the rotation restricting member is removed from the mounting portion, both housings can rotate. At this time,
The breaking member is broken on the mounting side or the locking side of the rotation restricting member, the breaking members broken by the rotation of the housing do not rub against each other, and an unpleasant noise is not generated when the connector device is used. Further, even if the rotation restricting member is reattached to the mounting portion, the fact that the rotation restricting member is removed due to the breakage of the breaking member can be confirmed at a glance.

(Embodiment) An embodiment in which the present invention is applied to a connector device used for a vehicle steering device will be described in detail with reference to the drawings. In the description of each of the following embodiments, like-configured members are designated by the same reference numerals and the description thereof is omitted.

1 and 2 show a first embodiment of the present invention, in which a connector device is made of a flexible material such as synthetic resin, and is movable housing 10 rotatably fitted to each other. And fixed housing 20, fixed pin 30 for restricting rotation of both housings 10, 20, fixed pin 30 and movable housing
It has a breakable seal 40 that is attached so as to straddle between 10 and 10 and seals the fixing pin 30.

The movable housing 10 is attached to the steering shaft by inserting the steering shaft of the steering device into the inner cylindrical shaft portion 10a, and by rotating the steering shaft,
Relative rotation is performed a predetermined number of times corresponding to the length of the strip-shaped transmission line. Then, on the upper surface of this housing 10, the fixing pin 30
Locking projections 10b for locking the are provided upright.

The fixed housing 20 is a mounting plate 20a that can be mounted on the vehicle body side.
And the outer cylinder shaft portion 20b installed on the mounting board 20a. The mounting board 20a has a flange 2 for mounting the vehicle body at an appropriate position.
A plurality of 0c are projected outward in the radial direction. Outer cylinder shaft 20b
A mounting portion 21 for mounting the fixing pin 30 is formed on the outer peripheral surface of the two guide pieces integrally provided at a predetermined interval.

The fixing pin 30 is formed by projecting a locking piece 30b that extends in a direction orthogonal to the mounting piece 30a at approximately the center of a long mounting piece 30a. The locking piece 30b has a locking projection of the movable housing 10. A locking hole 30c that is locked to 10a is formed. The fixing pin 30 is configured such that the mounting piece 30a is attached to the mounting portion 2 of the fixed housing 20.
It is mounted on the housing 1 so that it can be inserted into and removed from the housing 1, and the locking hole 30c is locked to the locking projection 10b of the housing 10 to be mounted on both housings 10 and 20.

The break seal 40 is a perforation for breaking near one end in the longitudinal direction.
40a is formed and, as shown in FIG. 1, housings 10, 20
It is affixed between the tip of the locking piece 30b and the inner cylindrical shaft portion 10a of the movable housing 10 of the fixed pin 30 mounted on the.

After manufacturing, the connector device of the present embodiment is configured such that the band-shaped transmission line is wound and tightened, the position is adjusted to a neutral position where the winding is loosened, the fixing pin 30 is attached to both the housings 10 and 20, and rotation is restricted, and then the break seal is formed. The fixed pin 30 is sealed with 40 and shipped.
Therefore, in the connector device, the locking hole 30c of the fixed pin 30 is locked to the locking projection 10a of the movable housing 10 so that the rotation of both housings 10 and 20 is restricted, and the accommodated band-shaped transmission line due to vibration during transportation. Does not move.

When the fixed pin 30 is pulled out during transportation, the break seal 40 sealing the fixed pin 30 is broken from the perforation 40a, so that the fact that the fixed pin 30 is pulled out can be confirmed at a glance. Therefore, if the user confirms that the break seal 40 of the received connector device is not broken, it is not necessary to tighten the band-shaped transmission line housed therein and adjust the position to the neutral position for loosening, and the fixing pin 30
Can be pulled out and assembled directly to the steering device. Moreover, the breaking seal 40 is attached to the locking side of the fixed pin 30 to the movable housing 10, and one of the broken seals remains on the inner cylindrical shaft portion 10a of the movable housing 10, while the other is fixed pin 3
Since it is removed together with the locking piece 30b of 0, even if the steering device is used, the breaking seals 40 do not rub against each other and an unpleasant hit sound is not generated.

Further, in the connector device having the above-described configuration, as in the connector device shown in FIG. 3, the fixing pin 30 is replaced with the locking hole 30c,
A locking recess 30d is provided at the tip of the locking piece 30b for locking the locking projection 10b of the movable housing 10 to restrict relative rotation of the housings 10 and 20, and the fixing pin 30 is provided on both sides in the longitudinal direction. Perforations 40b may be formed at two locations of the above, and the seals may be sealed by a breakable seal 40 that is attached between the base of the locking piece 30b on the side of the mounting piece 30a and the upper surface of the fixed housing 20.

FIG. 4 shows a second embodiment of the present invention. In the connector device of the present embodiment, a fitting hole 10c protruding from the upper surface of the movable housing 10 is provided so that the fixing pin 31 has A fitting protrusion 31c having a fitting concave portion that fits in the fitting hole 10c is integrally formed at the upper end of the mounting piece 31a via a twisted portion 31b.

With the above configuration, when the fixing pin 31 is mounted on the mounting portion 21 formed by the two guide pieces on the fixed housing 20 and the fitting protrusion 31c is fitted into the fitting hole 10c, the housings 10 and 20 are The rotation is restricted and the fixing pin 31 is sealed. Moreover, when the fixing pin 31 is pulled out from the mounting portion 21, a resistance to pulling out is generated by the fitting concave portion fitted with the fitting hole 10c, and the fitting protrusion 31c is broken at the twisted portion 31b, and the fixing protrusion 31c is broken. As shown in, since the fitting protrusion 31c remains on the movable housing 10 side while being fitted in the fitting hole 10c, the fact that the fixing pin 31 is pulled out can be confirmed at a glance. Further, even when the fixing pin 31 is pulled out from the mounting portion 21, the broken fitting protrusion 31c is fitted in the fitting hole 10c, so that even if this connector device is assembled and used in the steering device, The fitting protrusion 31c does not interfere with other members to generate an unpleasant noise.

FIG. 6 shows a third embodiment of the present invention, in which a connector device has a breaking protrusion 32e integrally formed on the back surface of a mounting piece 32a of a fixing pin 32, and a breaking seal 41 for sealing the fixing pin 32. A narrow fractured part 41a having a perforation is formed at the center, and the fractured part 41a forms a mounting part 2 formed by two guide pieces.
It is configured to be attached to the mounting portion 21 across the slit 21a of 1, and when the fixing pin 32 is mounted to the mounting portion 21, the breaking protrusion
32e projects outward from the slit 21a of the mounting portion 21.

Therefore, when the fixing pin 32 is mounted on the mounting portion 21, the locking recess 32d of the locking piece 32b is locked by the locking projection 10b of the movable housing 10.
The rotation of both housings 10 and 20 is regulated by being locked to.
Then, this connector device is shipped with the fixing pin 32 mounted on the mounting portion 21 sealed with the breakage seal 41.
When the fixed pin 32 is pulled out from the broken pin 21, the broken seal 41 is broken along the perforations at the broken portion 41a by the broken protrusion 32e. As a result, the fixing pin 32 is pulled out from the mounting portion 21, and the band-shaped transmission line housed in both housings 10 and 20 may be displaced from the neutral position where the winding is tightened and loosened, and it is used as it is. You can check the fact that you cannot do it at a glance. Moreover, since the fixing pin 32 is sealed by the breaking seal 41 in the mounting portion 21, even if the two housings 10 and 11 rotate relative to each other, the breaking seal 4
1 does not rub against each other, and there is no unpleasant hit sound.

Further, as in the connector device shown in FIG. 7, in contrast to the connector device according to the third embodiment, the movable housing is
Two guide pieces are integrally projected on the upper surface of 10 and fixed pin
The mounting portion 11 of 33 may be formed, the locking protrusion 20d for locking the locking recess 33d of the fixing pin 33 may be provided on the side surface of the fixed housing 20, and the breakable seal 41 may be attached to the mounting portion 11.

Further, as in the connector device shown in FIG.
Alternatively, the breaking protrusion 34e may be formed in a wedge shape, and instead of the breaking seal, a thin resin film 42 made of, for example, a synthetic resin may be attached to the mounting portion 21 of the fixed housing 20 across the slit 21a.

Further, as a fourth embodiment of the present invention, like the connector device shown in FIG. 9, the fixing housing 20 has a U-shaped cross section and a locking portion 22a as a mounting portion 22 for mounting the fixing pin 35. The guide piece may be integrally formed, and on the other hand, the fixed pin 35 may be provided on the rear surface of the mounting piece 35a with a break ribbon 35f whose tip is locked to the locking portion 22a.

According to this structure, when the fixing pin 35 is mounted on the connector device, the locking recess 35d formed in the locking piece 35b is locked by the locking projection 10b of the movable housing 10, and both housings 10,
20 rotations are restricted. Further, when the tip of the breaking ribbon 35f is locked to the locking portion 22a of the mounting portion 22, the fixing pin 35 can be sealed. Then, as in the above-mentioned respective embodiments, when the fixing pin 35 is pulled out from the mounting portion 22 after the connector device is shipped, the breaking ribbon 35f is broken, and it is possible to see at a glance that the fixing pin 35 is pulled out. Even when the device is assembled to the steering device and used, the broken ribbon 35f that has been broken does not interfere with each other, so that no unpleasant sound is produced.

FIG. 10 shows a fifth embodiment of the present invention, in which a connector device is constructed such that broken pieces 36g, 36g are integrally formed on a side surface of a mounting piece 36a of a fixing pin 36, and a mounting portion 23 for mounting the fixing pin 36. Locking slits 23b, 23b for locking each broken piece 36g are formed on each of the two guide pieces forming the above.

Therefore, the mounting piece 36a of the fixed pin 36 is mounted on the mounting portion 23, the locking recess 36d is locked to the locking projection 10b of the movable housing 10, and each broken piece 36g is locked to the locking slits 23b and 23b. By doing so, the connector device is
At the same time that the rotation of 0 is restricted, the fixing pin 36 is sealed. When the fixing pin 36 is pulled out from the mounting portion 23 of this connector device, the broken piece 36g locked in each locking slit 23b is broken from the mounting piece 36a. For this reason, the fact that the fixing pin 36 has been pulled out can be seen at a glance, and no unpleasant sound will be produced even when the fixing pin 36 is assembled to the steering device for use.

FIG. 11 shows a sixth embodiment of the present invention. In the connector device, a locking ring 37h is integrally formed on the rear surface of the mounting piece 37a of the fixed pin 37, and the mounting portion 24 of the fixed housing 20 is provided with a locking ring 37h. Hook protrusion 24a straddling the slit 24a formed by the guide piece of the strip
Is projected.

With this configuration, the attachment piece 27a is attached to the attachment portion 24.
When is mounted, the locking projection 24c is locked to the locking ring 37h, and the locking recess 37d is locked to the locking projection 10b of the movable housing 10. As a result, in the connector device, the rotation of both housings 10, 20 is restricted, and at the same time, the fixing pin 37 is sealed. Then, when the fixing pin 37 is pulled out from the mounting portion 24 of this connector device, the locking ring 37h that is locked to the locking projection 24a is broken, and the fact of the pulling out can be seen at a glance, and the mounting portion 24 side Therefore, even if this connector device is assembled to the steering device and used, no unpleasant hit sound is produced.

FIG. 12 shows a seventh embodiment of the present invention. In the connector device, a strip-shaped piece 38k having a locking hole 38i is integrally formed on the back surface of a mounting piece 38a of a fixed pin 38, and a fixed housing 20 is mounted. On the portion 25, a hooking protrusion 25 that is hooked in the hooking hole 38i of the strip 38k.
It has a.

Therefore, when the mounting piece 38a of the fixed pin 38 is mounted on the mounting portion 25, the locking recess 38d becomes the locking projection 10b of the movable housing 10.
Thus, the connector device is restricted from rotating both housings 10 and 20. Then, the strip-shaped piece 38k of the fixing pin 38 is pushed down, the locking projection 25a of the mounting portion 25 is locked in the locking hole 38i, and the fixing pin 38 is sealed. In this connector device in which the fixing pin 38 is sealed, when the fixing pin 38 is pulled out from the mounting portion 25,
The band-like piece 38k is broken at the hooking hole 38i by the hooking protrusion 25a. Therefore, even if the connector device is assembled to the steering device and used, no unpleasant hit sound is produced.

In each of the above embodiments, the case where the connector device of the present invention is used for the steering device of a vehicle has been described, but the present invention is not limited to this, and the number of rotations is limited, and the rotating member that relatively rotates. As long as it is a connector device of a transmission body that connects the fixing members, it can be used as a connector device for fluid piping, optical fiber, or the like.

(Effects of the Invention) According to the connector device of the present invention, the mounting portion for detachably mounting the rotation restricting member on one of the first and second housings, and the rotation restricting member on the other side are both engaged. At least one of the mounting side or the locking side of the housing of the rotation regulating member that forms a locking portion that regulates the rotation of the housing and that is mounted on the mounting portion and regulates the rotation of both housings, Since it is sealed with a breaking member that is broken by the separation of, the rotation of both housings can be easily regulated and released by attaching and detaching the rotation regulating member to the mounting portion,
Further, when the rotation restricting member is detached from the mounting portion, the breaking member is broken and the restriction can be confirmed at a glance. Moreover, since the rotation restricting member is sealed by the breaking member on the mounting side or the locking side of the housing, even if both housings rotate during use, an unpleasant sound is generated or the breaking member is not peeled off. Absent. Further, since the rotation restricting member and the breaking member have a simple structure, they can be provided at a low cost, and thus the industrial value of the connector device of the present invention is extremely large.

[Brief description of drawings]

1 to 3 illustrate a first embodiment of the present invention. FIG. 1 is a perspective view showing a state in which a connector device is sealed, and FIG. 2 is a main part of the connector device of FIG. Perspective view,
FIG. 3 is an exploded perspective view of an essential part of a connector device showing another modification, FIGS. 4 and 5 are explanatory views of a second embodiment, and FIG. 4 is an exploded perspective view of an essential part of the connector device. 5, FIG. 5 is a sectional view of an essential part of FIG. 4, FIGS. 6 to 8 are for explaining a third embodiment, and FIG. 6 is an exploded perspective view of an essential part of a connector device, FIG. FIG. 8 is an exploded perspective view of an essential part of a connector device showing another modification, FIG. 9 is an exploded perspective view of an essential part of a connector device according to a fourth embodiment, and FIG. 10 is an exploded perspective view of the fifth embodiment. FIG. 11 is an exploded perspective view of an essential part of the connector device according to the sixth embodiment. FIG. 12 is an exploded perspective view of an essential part of the connector device according to the seventh embodiment. FIG. 13 is a perspective view showing a state in which the conventional connector device is sealed. 10: Movable housing, 10b: Locking protrusion (locking part), 1
1 ... Mounting part, 20 ... Fixed housing, 21-25 ... Mounting part, 30-38 ... Fixing pin (rotation restricting member), 31c ... Mating protrusion (breaking member), 35f ... Breaking ribbon ( Breaking member), 36g ...... Broken piece (breaking member), 37h ...... Latch ring (breaking member), 38k ...... Strip-shaped piece (breaking member), 40, 41 ...... Breaking seal (breaking member), 42 ...... Resin film (broken member).

Claims (1)

[Scope of utility model registration request] 1. A first and a second housing, and a flexible transmission body that is housed in both housings. The plurality of housings are provided by tightening or loosening the transmission body. In a connector device that can rotate relative to each other,
One of the first and second housings is provided with a mounting portion for removably mounting the rotation restricting member, and the other is provided with a locking portion for locking the rotation restricting member to restrict rotation of both housings. At least one of the mounting side and the locking side of the rotation restricting member that is mounted on the mounting part and restricts the rotation of the two housings is a breaking member that is broken by the separation of the rotation restricting member. A connector device characterized by being sealed.