JP3781627B2 - Wind regulator cable support device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cable support device for a wind regulator that raises and lowers a lift glass of a vehicle.
[0002]
[Prior art and its problems]
A vehicle window regulator has a cable guide bracket disposed on the upper and lower sides of a vehicle door, and a drum bracket having a wire take-up drum in the middle, and guide pulleys supported by the upper and lower cable guide brackets from the wire take-up drum. The inner cable is fed out toward the (cable guide member), and the inner cable bent in a direction approaching each other by the guide pulley is fixed to the elevating glass. In this window regulator, when the winding drum is driven to rotate, the inner cable is wound on one side and fed out on the other side, so that the lifting glass is raised and lowered.
[0003]
The inner cable is inserted into the outer cable and protected between the drum bracket and the upper and lower cable guide brackets. Therefore, both ends of the outer cable need to be fixed to the drum bracket and the cable guide bracket, respectively. Of these, a retainer having a small hole through which the inner cable is inserted has been used for fixing the cable guide bracket and the outer cable in the bottom of the bottomed cylindrical portion into which the outer cable is inserted. However, in this conventional retainer, first, the inner cable must be inserted into a small hole formed in the bottom of the bottomed tube portion, and then the outer cable must be inserted into the bottomed tube portion, so that workability is poor. In addition, there is room for improvement in connection strength between the retainer and the outer cable or in connection workability between the retainer and the cable guide bracket.
[0004]
OBJECT OF THE INVENTION
The present invention is based on the above awareness of the problems related to the outer cable and the retainer of the window regulator, and is excellent in the workability between the retainer and the outer cable, the strength between the retainer and the outer cable, and the workability between the retainer and the cable guide bracket. Another object of the present invention is to provide an excellent wind regulator cable support device.
[0005]
SUMMARY OF THE INVENTION
The present invention relates to a cable guide bracket positioned above and below in a vehicle door; a drum bracket having a wire take-up drum that is positioned in the middle of the upper and lower cable guide brackets and fixed in the vehicle door; Cable guide members respectively supported by the cable guide brackets; inner cables that are fed from the wire take-up drum toward the upper and lower cable guide brackets and guided to the upper and lower cable guide members and then fixed to the lift glass; and In a window regulator having a pair of outer cables each having both ends fixed to the drum bracket and the upper and lower cable guide brackets and having the inner cable inserted therein, a pair of parallel wires is provided on at least one of the drum bracket and the cable guide bracket. Nagiri A notch groove formed by a wire, having a wide portion at the back of the inlet portion, and having an open end; a pair of open / close halves having a concave semi-cylindrical cable holding recess on the inner surface, and the outer cable A retainer that can be opened and closed in an open state that can be inserted from a direction orthogonal to the extension direction, and a closed state that holds the inserted outer cable; a closed state that is formed on the outer surfaces of a pair of open / close halves of the open / close retainer. The retainer has a groove portion that can be engaged with the notch groove edge from an open end portion of the notch groove, and a retaining claw that engages with the wide portion.
[0006]
In order to enhance the integrity of the open / close retainer and the outer cable, it is desirable to form a corrugated cross-sectional shape or a saw-toothed concavity and convexity on the inner surface of the concave and semi-cylindrical cable holding recesses of the pair of open / close retainers. The open / close retainer is provided with an end wall that supports the end of the outer cable held in the cable holding recess, and an inner cable passage groove can be formed in the end wall.
[0007]
In the cable guide bracket, a cut-and-raised wall can be formed by a pair of cutting lines, and an insertion groove for the inner cable can be formed in the cut-and-raised wall.
[0008]
The cable support device of the present invention can be applied to, for example, a type of window regulator in which a guide rail that supports an elevating glass so as to be movable up and down is fixed between upper and lower cable guide brackets.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described based on illustrated embodiments. FIG. 11 shows the overall structure of a window regulator to which the present invention is applied. A slider base 11 is supported on a guide rail 10 fixed in a vertical direction in a door of a vehicle so as to be movable up and down. . A lift glass (not shown) is fixed to the slider base 11.
[0010]
Cable guide brackets 12 and 13 are fixed to the guide rail 10 at the top and bottom, respectively. In the vehicle door, a drum bracket 14 is fixed to an intermediate portion in the vertical direction of the cable guide brackets 12 and 13, and a winding drum 15 is rotatably supported by the drum bracket 14. The winding drum 15 is driven to rotate forward or backward manually or electrically.
[0011]
Guide pulleys (cable guide members) 16 and 17 are rotatably supported by shafts 16a and 17a on the cable guide brackets 12 and 13, respectively. The inner cable 18 wound around the winding drum 15 is fed out toward the guide pulleys 16 and 17, guided toward the slider base 11 by the guide pulleys 16 and 17, and then fixed to the slider base 11. Has been. Therefore, when the winding drum 15 is driven to rotate forward or backward manually or electrically, the inner cable 18 is wound on one side and fed out on the other side, and the slider base 11 and the lifting glass are moved up and down.
[0012]
The inner cable 18 is inserted into the outer cable 20 between the drum bracket 14 and the cable guide bracket 12 and between the drum bracket 14 and the cable guide bracket 13. The present embodiment has a gist of a fixing structure between the outer cable 20 and the cable guide bracket 12 (13) and / or the drum bracket 14, and the cable guide bracket 12 side is taken as an example with reference to FIGS. The first embodiment will be described. In the illustrated embodiment, the outer cable 20 is fixed to the drum bracket 14 by the drum side retainer 19 (FIG. 11) on the drum bracket 14 side, but the present embodiment can also be applied to this drum side retainer.
[0013]
In the cable guide bracket 12, a notch groove 22 having an open end is formed by a pair of parallel cutting lines 21 directed from the guide pulley 16 toward the drum side retainer 19. Further, a wide portion 22 a wider than the notch groove 22 is formed at the back of the notch groove 22 from the entrance portion. The pair of cutting lines 21 form a cut-and-raised piece 24 orthogonal to the plate thickness plane of the cable guide bracket 12, and an U-shaped inner cable insertion groove 24 a is formed in the cut-and-raised piece 24. .
[0014]
The open / close retainer 30 that supports the end portion of the outer cable 20 on the cable guide bracket 12 side and is supported by the notch groove 22 has a pair of open / close halves 31. Each of the pair of open / close halves 31 is provided with a concave semi-cylindrical cable holding recess 32 on the inner surface, and can be opened / closed by an upper connection edge 33. In the open state, the outer cable 20 is orthogonal to the extending direction thereof. You can insert from the direction you want. When the pair of open / close halves 31 are closed, the pair of cable holding recesses 32 as a whole form a cylindrical portion having a smaller diameter than the outer diameter of the outer cable 20 in the free state, and hold the inserted outer cable 20. An end wall 34 that supports the end of the outer cable 20 held in the cable holding recess 32 is formed at one end of the open / close half 31, and a passage groove 34 a of the inner cable 18 is formed on the end wall 34. Is formed.
[0015]
A concave and convex portion 32 a having a sawtooth or wave shape in cross section is formed on the inner surface of the cable holding concave portion 32, and the concave and convex portion 32 a bites into the outer cable 20. The outer cable 20 has, for example, an inner material (liner) made of a resin material such as polyacetal resin that contacts the inner cable 18 in order from the inner side, and an outer material laminated structure made of a resin material such as a flat steel wire or vinyl chloride. In addition, when a force is applied to the outer surface, it is elastically deformed.
[0016]
The open / close half 31 of the open / close retainer 30 is formed with a locking leg portion 35 on the opposite side of the connecting edge 33, and the outer surface of the locking leg portion 35 is formed on the edge of the notch groove 22. A groove portion 36 to be engaged (fitted) is formed. In addition, a retaining claw 35a corresponding to the wide portion 22a is formed at the intermediate portion of the locking leg portion 35 so as to be elastically deformable by the cut groove 35b. The groove 36 engages with the edge of the cutout groove 22 when the open / close retainer 30 is inserted from the open end of the cutout groove 22 with the pair of open / close halves 31 closed. The retaining pawl 35a formed by the notch groove 35b is inserted into the notch groove 22 in a state of being elastically deformed inward, and then is engaged with the wide portion 22a when the external force is released, thereby retaining the opening / closing retainer 30.
[0017]
That is, in the cable support device having the above-described configuration, the pair of open / close halves 31 of the open / close retainer 30 are opened, the outer cable 20 is fitted into the cable holding recess 32, and the end of the outer cable 20 is brought into contact with the end wall 34. The pair of open / close halves 31 are closed, and the outer cable 20 is held in the cable holding recess 32. The inner cable 18 in the outer cable 20 exits from the passage groove 34a of the end wall 34 to the outside. In this state, the open / close retainer 30 is positioned at the open end of the cutout groove 22, and the groove 36 is fitted and slid onto the edge of the cutout groove 22. At this time, the retaining pawl 35 a is elastically deformed inward so that the retaining pawl 35 a enters the notch groove 22. Eventually, when the retaining pawl 35a reaches the wide portion 22a, the retaining pawl 35a is restored by the elastic restoring force and fits into the wide portion 22a. It can be stopped. The cut and raised piece 24 supports the back end of the open / close retainer 30.
[0018]
The end wall 34 of the open / close retainer 30 in the above embodiment is preferably provided, but is not essential. FIG. 6 is an embodiment in which the end wall 34 of the open / close retainer 30 is omitted. Moreover, as shown in FIG. 7, the wide part 22a formed in the notch groove 22 of the outer cable 20 can change the width | variety and depth, if it has not reached the entrance part (open end part) of the notch groove 22. FIG. it can. The shape (length) of the retaining claw 35a of the open / close retainer 30 is changed according to the shape (length) of the wide portion 22a. Furthermore, as shown in FIG. 8, the cut and raised pieces 24 do not have to be formed.
[0019]
The retaining pawl 35a only needs to have a function of being fitted into the wide portion 22a of the notch groove 22 and retaining the opening / closing retainer 30, so that the shape thereof has a degree of freedom. 9 and 10 show an embodiment in which a retaining claw 35c is formed by a thin U-shaped portion in order to facilitate elastic deformation of the retaining claw formed on the open / close retainer 30. FIG. Furthermore, the following embodiment is also possible. A convex portion (a retaining claw) corresponding to the wide portion 22a is formed in the groove portion 36 of the locking leg portion 35, and when the opening / closing retainer 30 is inserted into the cutout groove 22, the elasticity of the outer cable 20 is used. The opening / closing half 31 is strongly closed and the groove 36 including the protrusion is inserted into the edge of the notch groove 22. After insertion, the opening / closing half 31 is opened by the elasticity of the outer cable 20 and the protrusion is locked to the wide portion 22 a. To do.
[0020]
In the above embodiment, the cable guide brackets 12 and 13 are fixed to the upper and lower ends of the guide rail 10. However, the present invention can also be applied to a wind regulator that omits the guide rail 10. That is, the guide rail 10 and the slider base 11 are omitted, and the inner cable 18 is directly fixed to the elevating glass or its supporting member. In this aspect, the elevating glass is guided by a guide member other than the guide rail 10 (for example, a door sash).
[0021]
【The invention's effect】
As described above, according to the present invention, the coupling workability between the outer cable and the retainer of the window regulator, the coupling strength between the retainer and the outer cable, and the connection workability between the retainer and the cable guide bracket or (and) the drum bracket are improved. An excellent wind regulator cable support device can be obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a state before assembly in a state in which a retainer is opened, showing an embodiment of a cable support device for a wind regulator according to the present invention.
FIG. 2 is a perspective view of the retainer in a closed state.
3 is a cross-sectional view of the assembled state of the cable support device of FIG. 1. FIG.
4 is a cross-sectional view taken along line IV-IV in FIG.
5 is a cross-sectional view taken along line VV in FIG.
FIG. 6 is a cross-sectional view corresponding to FIG. 3, showing another embodiment of a cable support device according to the present invention.
FIG. 7 is a perspective view showing another shape example of the cutout groove on the cable guide bracket side.
FIG. 8 is a perspective view showing still another example of the shape of the cutout groove on the cable guide bracket side.
FIG. 9 is a perspective view showing another example of a retainer used in the cable support device according to the present invention.
10 is a cross-sectional view taken along line XX in FIG.
FIG. 11 is a front view showing the overall structure of the window regulator according to the present invention.
[Explanation of symbols]
12 13 Cable guide bracket 14 Drum bracket 15 Winding drum 16 17 Guide pulley 18 Inner cable 20 Outer cable 21 Cutting line 22 Notch groove 22a Wide part 24 Cut and raised piece 24a Inner cable insertion groove 30 Opening and closing retainer 31 Opening and closing half body 32 Cable holding Recess 33 Connection edge 34 End wall 34a Passing groove 35a 35c Retaining claw 35b Cut groove 35 Locking leg 36 Groove

Claims (3)

Cable guide brackets located respectively above and below the vehicle door;
A drum bracket having a wire take-up drum, which is positioned in the middle of the upper and lower cable guide brackets and fixed in the vehicle door;
Cable guide members respectively supported by the upper and lower cable guide brackets;
An inner cable that is fed from the wire take-up drum toward the upper and lower cable guide brackets, guided by the upper and lower cable guide members, and fixed to the lift glass; and the drum bracket and the upper and lower cable guide brackets, respectively. A pair of outer cables fixed at both ends and having the inner cable inserted therethrough;
In a window regulator having
A notch groove that is formed in at least one of the drum bracket and the cable guide bracket by a pair of parallel cutting lines and that has a wide portion at the back of the inlet portion, with an open end;
A pair of open / close halves having a concave semi-cylindrical cable holding recess on the inner surface, an open state in which the outer cable can be inserted from a direction orthogonal to the extending direction, and a closed state in which the inserted outer cable is held Openable and closable retainer;
A groove portion formed on the outer surface of the pair of open / close halves of the open / close retainer and capable of engaging the retainer in the closed state from the open end portion of the notch groove to the notch groove edge, and a disengagement engaging the wide portion. Pawl;
A cable support device for a window regulator, comprising: 2. The cable support device according to claim 1, wherein the concave and semi-cylindrical cable holding recesses of the pair of opening and closing halves of the opening and closing retainer are formed with corrugated or sawtooth irregularities on the inner surface thereof. apparatus. 3. The cable support device according to claim 1, wherein the open / close retainer includes an end wall that supports an end portion of the outer cable held in the cable holding recess, and an inner cable passage groove is formed in the end wall. Wind regulator cable support device.

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