JPH038790Y2 - - Google Patents

Description

[Detailed Description of the Invention] Purpose Industrial Application Field The present invention relates to a retainer for a wire tube.

BACKGROUND OF THE INVENTION Generally, a mechanism as shown in FIG. 1 is used to raise and lower a door window glass of a vehicle using a wire. A window glass 2 incorporated in a door 1 is raised and lowered by the driving force of a drive device 3. The drive device 3 is fixed to the inner plate of the door 1 using a base 4 with bolts or the like. On the other hand, the guide 5 is connected to the pulleys 10 and 1.
It is fixed to the door 1 side using upper and lower brackets 8 and 9 having 1. A bracket 7 is fixed to the lower part of the window glass 1, and a holder 6 is provided on the bracket 7. The holder 6 is guided by the guide 5 and moves up and down.
A wire 12 is stretched between the drive device 3 and the pulleys 10 and 11, and is fixed to the holder 6.

activating the drive device 3 manually or electrically;
For example, for wire 12, pulleys 10, 11
When a downward tension is applied between the wires 12 and 12, the holder 6 fixed to the wire 12 descends along the guide 5 and opens the window glass 2. When closing the window glass 2, the operation is reversed.

The wire type wind regulator shown in FIG. 1 uses a wire tube between the pulleys to protect the wire. In the example of FIG. 1, pulleys 10, 1
A wire tube 13 is used between the drive unit 1 and the drive unit 3. When using the wire tube 13, it is necessary to hold the end of the wire tube 13 on a bracket or base on the door side so that when the wire inside moves, the tube does not move together with the wire.

Problems of this invention in relation to the prior art An example of holding a wire tube on a bracket is as disclosed in West German Patent No. 2,656,428, in which a groove extending in the longitudinal direction is formed on the outer peripheral surface of the end of the wire tube. This groove is inserted into a U-shaped notch provided in the bracket. This example has the disadvantage that the wall thickness of the wire tube needs to be considerably thick and that the tube is easily detached from the bracket due to the elasticity of the wire tube.

The technical objective of the present invention is to eliminate the drawbacks of the prior art described above.

Structure Technical measures taken to solve the above problems The present invention focuses on holding the wire tube by grasping the end of the wire tube using the elasticity of synthetic resin. The retainer body is made of synthetic resin, and includes a hollow cylindrical part having a slit, a pair of mounting parts each having a groove provided on the slit side of the cylindrical part and extending along the longitudinal direction of the cylindrical part, and the mounting part. A retainer structure is adopted that has a connecting wall that connects both mounting parts at one end.

Effect of the above means When the wire tube is inserted into the cylindrical part, the slit causes the cylindrical part to become somewhat open.
When the groove of the attachment part is inserted into the opposite edge of the U-shaped groove of the bracket, the diameter of the cylindrical part is reduced to firmly hold the wire tube. In this state, even if the wire is pulled in the direction of the attachment part, the connecting wall and the edge of the groove of the bracket prevent the retainer body from deforming, so the retainer body does not open and maintains its initial state, allowing the retainer to The bracket does not come off. Since the axis of the cylindrical portion and the longitudinal center of the groove are offset, the wire will not rub against the bracket.

EXAMPLE Referring to FIGS. 2-5. The main body 23 of the retainer 22 is molded from a synthetic resin material. The main body 23 is
It has a hollow cylindrical portion 25 with a slit 24. Fifth
A pair of mounting portions 26 separated from each other with a slit 24 in between are integrally extended to the left side as viewed in the figure. Grooves 27 are provided in the upper and lower walls of the mounting portions 26, and the mounting portions 26 are connected to each other by a connecting wall 28 at one end.
An appropriate number of wire tube holders 29 are provided on the inner circumferential wall of the cylindrical portion 25, and the entrance thereof is made somewhat larger in diameter to facilitate insertion of the wire tube 13. The wire tube holder 29 has a protruding shape whose tip is located on a circumference slightly smaller than the outer diameter of the wire tube 13.
3 and the gripping force on the wire tube 13 can be increased. As shown in FIG. 3, the exit side of the cylindrical portion 25 is preferably made smaller in diameter to form an abutment surface 30 for the wire tube 13.

As shown in FIG. 3, the end face of the wire tube 13 is inserted into the cylindrical part 25, and the end face
The wire 12 is brought into contact with the main body and extends outward from the main body. Next, the groove 3 of the bracket 8 shown in FIG.
The groove 27 of the mounting portion 26 is inserted into the opposing edge 32 of the mounting portion 1 . By this insertion, the diameter of the cylindrical portion 25 is reduced, and the wire tube 13 is
grip firmly. Further, the wire presser 29 bites into the wire tube 13, and there is no external force from the retainer 22 of the tube 13.

Even if the wire 12 moves in the direction of arrow A after the retainer 22 is attached to the bracket 8 or 9, the connecting wall 28 and the opposing edge 32 resist this movement, so that the slit 24 does not open and the bracket of the retainer 22 There is no deviation from 8 or 9. This work is the 6th ~
This will be explained using FIG. The example shown in the figure does not have a connecting wall 28, and a pair of mounting portions 26 face each other with a slit 24 in between. When such a retainer is inserted into the groove 31 of the bracket 8 or 9 and used, for example, when an external force in the direction of arrow A (see FIG. 8) is applied to the tube 13 due to the tension of the wire 12,
The retainer is elastically deformed so that the opening of the slit 24 on the tube insertion port side of the cylindrical portion 25 and the pair of attachment portions 26 becomes larger, and the slit 24 contracts toward the back. The elastic deformation of such a retainer is
As shown in FIG. 9, the tube 13 is moved from the retainer and the retainer is removed from the groove 31.
Eventually, the retainer will fall off from the bracket 8 or 9. Of course, even if an external force acts in the direction opposite to the external force in the direction of arrow A in FIG. 8, the retainer will fall off from the bracket in the same way. Furthermore, an external force perpendicular to the bracket 8 or 9 (i.e.
Even if an external force (toward the front side of the drawing) acts, the 10th to 1st
As shown in FIG. 1, the opening of the slit 24 is deformed, causing the tube 13 to fall off the retainer and the retainer to fall off the bracket 8 or 9.

As described above, the presence of the connecting wall 28 effectively prevents the slit 24 of the retainer from opening due to external force, securely holds the retainer on the bracket 8, and prevents the tube 13 from coming off from the retainer.

Incidentally, a chamfer 33 (see FIG. 3) is formed at the exit portion of the wire 12 from the retainer 22 to prevent bending of the wire and high sliding resistance of the wire due to contact between the wire and the exit end surface. side edge 32
The insertion side end face of the groove 27 is chamfered to prevent interference between the side edge 32 and the insertion side end face of the groove 27 when inserting the retainer.

Effects Since the wire tube is not directly held on the bracket as in the conventional case, but is attached via a retainer, the diameter and material of the wire tube can be arbitrarily selected, which is economical. Further, since the tube is firmly fastened to the cylindrical portion and the groove of the mounting portion is elastically supported by the opposing edge on the bracket side, there is no backlash and no abnormal noise due to vibration. or,
The increased strength of the attachment of the wire tube to the bracket prevents the wire tube from coming off the bracket during installation of the door window regulator assembly into the door, making the assembly process easier.

[Brief explanation of the drawing]

Fig. 1 is a side view showing an example of a wind regulator, Fig. 2 is a front view showing the attachment part of the wire tube and bracket, and Fig. 3 is a view taken from the arrow in Fig. 2.
4 is a perspective view of the retainer, FIG. 5 is a side view of the retainer, FIG. 6 is a side view of the retainer without a connecting wall, and FIG. 7 is a front view of the retainer shown in FIG. 6. , FIGS. 8 and 9 are front views showing deformation of the retainer, and FIGS. 10 and 1
FIG. 1 is a front view and a sectional view showing another modification of the retainer. In the diagram: 8 or 9...bracket, 22...retainer, 23...main body, 24...slit, 25...
...Cylindrical part, 26...Mounting part, 27...Groove, 28
... Connecting wall, 32 ... Opposing edge.

Claims (1)

[Scope of utility model registration request] A retainer body made of synthetic resin includes a cylindrical part with a slit, a pair of spaced mounting parts extending laterally from the cylindrical part with the slit in between, and a groove in the bracket in the mounting part. A retainer for a wire tube, the wire tube retainer having a groove that engages with opposing edges, and further comprising a connecting wall that connects one end of the attachment part to each other.