JP3693864B2 - Window regulator - Google Patents

Description

[0001]
【Technical field】
The present invention relates to a window regulator that raises and lowers a door glass of a vehicle, and more particularly to a structure of a slider base thereof.
[0002]
[Prior art and its problems]
The window regulator supports the slider base that supports the door glass so that it can be raised and lowered on the guide rail, and guides a pair of cables, each of which has a locking projection on one end of the slider base, to the upper and lower guide members of the guide rail. After that, the other end portion is wound around a winding drum, and the winding drum is electrically or manually driven in the forward and reverse directions.
[0003]
In this window regulator, the slider base has conventionally been formed of a molded product of a resin material. However, even if the plastic material is engineering plastic, deterioration over time is unavoidable due to aging due to heat and temperature, and in the worst case, the slider base is damaged and the door glass cannot be raised or lowered. There was a risk of becoming.
[0004]
OBJECT OF THE INVENTION
An object of the present invention is to obtain a window regulator that is free from the risk of breakage of the slider base, in particular, disconnection of the cable from the slider base, even after long-term use, based on the above awareness of the problems with conventional window regulators. .
[0005]
SUMMARY OF THE INVENTION
In the present invention, the slider base is composed of a synthetic resin main body and a reinforcing plate (slider plate) made of a metal material, and in particular, the slider base is prevented from being damaged from the vicinity of the retaining protrusion at the end of the cable. It was completed by focusing on giving the reinforcing plate a function of preventing the cable end from coming off.
[0006]
The present invention relates to a slider base that supports a door glass and is guided by a guide rail so as to freely move up and down; a pair of protrusions that are secured to one end of the slider base and are respectively guided to upper and lower guide members of the guide rail. A wind regulator comprising: a cable; and a winding drum wound around the other end of each of the pair of cables and a driving mechanism for the winding drum; and a slider base disposed on a body made of a synthetic resin material and the body Consists of a composite with a fixed metal slider plate, and a synthetic resin material main body has a pair of storage recesses for storing a sliding portion with a guide rail, a pair of cables, and a retaining projection for the cable The metal slider plate has a pair of cables and a pair of retaining protrusions respectively stored in the pair of storage recesses of the main body. The fork portion is provided with a pair of retaining legs sandwiching the cable, each of which is larger than the cable diameter and narrower than the retaining projection diameter. It is a feature.
[0007]
When the cable retaining projection is made of metal, it is desirable that a buffer wall positioned between the bifurcated fork portion of the slider plate and the cable retaining projection is formed on the synthetic resin body. On the other hand, when the bifurcated fork portion is brought into direct contact with the retaining projection, the retaining projection of the cable is preferably made of a synthetic resin material.
[0008]
The main body and the slider plate can be fastened together with a glass channel for fixing the door glass.
[0009]
When a pair of cables are crossed on the slider base and the above-mentioned retaining protrusion is formed at the extension from this crossing portion, the cable is less damaged and the guide length of the door glass is made longer than the effective length of the guide rail. A long window regulator can be obtained.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
1 to 9 show an embodiment of a window regulator according to the present invention, and FIG. 1 is an overall view showing an example of a window regulator having a slider base as a subject of the present invention. A slider base 20 that supports the window glass 12 and that is a subject of the present invention is supported on the guide rail 11 that is fixed in the vertical direction in the door panel of the vehicle so as to be movable up and down. The slider base 20 is secured with retaining projections (cable ends, nipples) 13 a and 14 a fixed to one ends of a pair of cables 13 and 14, and the cables 13 and 14 are disposed above and below the guide rail 11. A guide roller 15 for guiding the above is supported. Cables 13 and 14 exiting the upper and lower guide rollers 15 are wound around a winding drum 17. When the winding drum 17 is driven in the forward and reverse directions by the drive motor 16, one of the cables 13 and 14 is unwound from the winding drum 17, the other is wound, and the slider base 20 (window glass 12) is guided to the guide rail. 11 moves up and down. The drive motor 16 and the winding drum 17 are supported by a base 18 fixed to the door panel.
[0011]
The slider base 20 includes a main body 30 made of synthetic resin and a slider plate (reinforcing plate) 40 formed by press-molding a metal, for example, a steel plate. As is apparent from FIGS. 2, 3, and 4, the main body 30 has a fixed arm 32 protruding from a substantially rectangular parallelepiped body 31, and a fixed hole 33 is formed in the fixed arm 32.
[0012]
A sliding portion 35 and a cable holding portion 36 are formed on the body 31 of the main body 30 so as to be positioned approximately half in the left-right direction. The sliding portion 35 has a sliding groove 34 that is slidably engaged with the retaining cross-sectional portion 11 a of the guide rail 11. Further, the cable holding portion 36 is provided with a pair of cable storage grooves (cable storage recesses) 37 and 38 into which the cables 13 and 14 intersecting in an X-shape are inserted, and extension portions of the cable storage grooves 37 and 38, respectively. Further, convex storage recesses (cable storage recesses) 37a and 38a for storing the pair of retaining protrusions 13a and 14a are formed. The cable housing grooves 37 and 38 have a step in the height direction, and the cables 13 and 14 inserted into the cable housing grooves 37 and 38 do not contact each other.
[0013]
Further, the main body 30 is formed with insertion grooves 37b and 38b of a bifurcated fork portion located at the end portion on the cable crossing portion side from the convex portion accommodating concave portions 37a and 38a. The fork insertion grooves 37b and 38b appear as one insertion groove on the surface (front surface) of the main body 30 on the slider plate 40 side (see FIG. 2), and on the back surface, two grooves 37b ′ divided into a pair. , 38b ′ (see FIGS. 3, 4, and 6). Buffer walls 37c, 38c (see FIG. 7) integral with the main body 30 are located between the fork insertion grooves 37b, 38b and the convex storage recesses 37a, 38a.
[0014]
The slider plate 40 is stacked on the main body 30 described above, and includes a pair of bifurcated fork portions 41 and 42 that are inserted into the fork insertion grooves 37 b and 38 b, and a fixing hole 43 that is fastened to the fixing arm 32 of the main body 30. It has. As shown in FIGS. 6 and 7, the bifurcated fork portion 41 (42) includes a continuous portion 41a (42a) and a pair of retaining legs 41b (42b), and the bifurcated fork portion 41b (42b). Is larger than the diameter of the cable 13 (14) and smaller than the diameter of the retaining projection 13a (14a). The bifurcated fork portion 41 (42) has a continuous portion 41a (42a) inserted into the fork insertion groove 37b (38b) from the surface side of the main body 30, and the retaining leg portion 41b (42b) has a distal end at the split groove 37b. It fits into '(38b').
[0015]
The lower end of the window glass 12 is fixed to a glass channel 19 shown in FIGS. The glass channel 19 is formed with a fixing hole 19 a that is fastened together with the fixing hole 33 of the main body 30 and the fixing hole 43 of the slider plate 40.
[0016]
When assembling, the window regulator having the above-described configuration crosses the leading ends of the cables 13 and 14 on the side of the cables 13 and 14 into the cable housing grooves 37 and 38 of the main body 30, and further, The parts 13a and 14a are placed in the convex storage recesses 37a and 38a, respectively. Next, the main body 30 is covered with the slider plate 40, and the forked portions 41 and 42 of the plate 40 are inserted into the fork insertion grooves 37 b and 38 b of the main body 30. Then, the retaining legs 41b and 42b sandwich the cable 13, and the buffer walls 37c and 38c are positioned between the retaining legs 41b and 42b and the retaining projections 13a and 14a, respectively (FIG. 6, FIG. 7). Accordingly, the retaining protrusions 13 a and 14 a are reliably prevented from being detached from the slider base 20 by the forked portions 41 and 42 of the metal slider plate 40. Furthermore, the continuous portions 41a and 42a of the bifurcated fork portions 41 and 42 are fitted into the fork insertion grooves 37b and 38b on the surface of the main body 30 that appear as a single insertion groove, and the tip ends of the retaining legs 41b and 42b are Since it is supported by being fitted in the split grooves 37b ′ and 38b ′ on the back surface of the main body 30, deformation of the retaining legs 41b and 42b is prevented not only by the strength of the metal but also by the main body 30.
[0017]
The main body 30, the slider plate 40, and the glass channel 19 are joined with their fixing holes 33, 43, and 19a being overlapped. The slider plate 40 not only increases the strength of the main body 30 but also increases the strength of the connecting portion between the main body 30 and the glass channel 19 (window glass 12). Therefore, the slider base 20 and the glass channel 19 (wind glass) 12) is maintained for a long time.
[0018]
The slider base 20 is supported by the sliding groove 34 of the body 31 of the main body 30 so that the retaining cross section 11a of the guide rail 11 is fitted and slidable up and down. The cables 13 and 14 coming out of the slider base 20 are Then, it is wound around the winding drum 17 through the guide rollers 15 at the upper and lower ends of the guide rail 11. When the winding drum 17 is rotated forward and backward by the drive motor 16, one of the cables 13 and 14 is drawn out from the winding drum 17, the other is wound up, and the slider base 20 (window glass 12) is moved up and down. To do.
[0019]
At this time, in the window regulator of the illustrated embodiment, the cables 13 and 14 intersect the X shape on the slider base 20, so that the slider base 20 can be closer to the guide roller 15. For this reason, there is an advantage that a long guide length of the slider base 20 (door glass 12) can be obtained with a short effective length of the guide rail 11. In addition, since the cables 13 and 14 do not cross the X shape and are bent at an acute angle, the cable can be prevented from being damaged and the life can be extended. Various types of crimping protrusions, knots, and the like are known as the retaining protrusions 13a and 14a provided at the ends of the cables 13 and 14, and the present invention may have any specific structure. In the case where the retaining projections 13a and 14a are made of metal, a synthetic resin main body 30 is provided between the retaining projections and the bifurcated fork portions 41 and 42 as shown in FIG. It is preferable to position the buffer walls 37c and 38c integral with each other. However, when the retaining projections 13a and 14a are made of a synthetic resin material, the fork portions 41 and 42 are directly placed in the projection housing recesses 37a and 38a. It may be inserted.
[0020]
FIGS. 10 to 13 show other shape examples of the forked portions 41 and 42 of the slider plate 40. The width and shape of the bifurcated fork 41 (42) has a degree of freedom, and can be rectangular in cross section as shown in FIGS. 10 and 11 or box shape as shown in FIGS. The box shape has a large resistance to deformation, and can more reliably prevent the retaining protrusion 13a (14a) from coming off.
[0021]
FIG. 14 shows another example of the shape of the slider plate 40. As described above, the fork portion 44 that sandwiches the fixed arm 32 of the main body 30 may be formed, and the fork portion 44 may be sandwiched between the glass channel 19 and the main body 30 and fastened together.
[0022]
【The invention's effect】
As described above, according to the window regulator of the present invention, a sufficient strength can be obtained for the slider base that supports the door glass, and a window regulator that does not cause the cable to fall off from the slider base even when used for a long time is obtained. be able to.
[Brief description of the drawings]
FIG. 1 is a front view showing an embodiment of a window regulator according to the present invention.
FIG. 2 is an exploded perspective view of the main part.
FIG. 3 is a front view of a slider-based synthetic resin main body.
FIG. 4 is a perspective view of the same.
5 is a cross-sectional view taken along line VV in FIG.
6 is a cross-sectional view taken along line VI-VI in FIG. 2 in a state in which the slider base body and the slider plate are coupled together.
7 is a cross-sectional view taken along line VII-VII in FIG.
FIG. 8 is a perspective view showing a shape example of a forked portion of a slider plate and a protrusion for preventing a cable from coming off.
9 is a cross-sectional view taken along line IX-IX in FIG.
FIG. 10 is a perspective view showing an example of the shape of another slider plate.
11 is a cross-sectional view of the type of FIG. 10 corresponding to FIG.
FIG. 12 is a perspective view showing another example of the shape of the slider plate.
13 is a cross-sectional view of the type of FIG. 12 corresponding to FIG.
FIG. 14 is a perspective view showing another shape example of the slider plate.
[Explanation of symbols]
11 Guide Rail 11a Retaining Cross Section 12 Wind Glass 13 14 Cable 13a 14a Retaining Protrusion 15 Guide Roller 16 Drive Motor 17 Winding Drum 19 Glass Channel 20 Slider Base 30 Body 31 Body 32 Fixing Arm 33 Fixing Hole 34 Sliding Groove 35 Sliding part 36 Cable holding part 37 38 Cable storage groove (storage recess)
37a 38a Convex part storing concave part 37b 38b Fork insertion groove 37c 38c Buffer wall 40 Slider plate 41 42 Fork part 41b 42b Retaining leg part 43 Fixing hole

Claims (4)

A slider base that supports the door glass and is guided up and down by a guide rail;
A pair of cables each having one end retaining protrusion that is locked to the slider base and guided to the upper and lower guide members of the guide rail; and a winding drum that winds the other end of the pair of cables; Winding drum drive mechanism;
In a window regulator having
The slider base includes a main body made of a synthetic resin material and a metal slider plate fixed on the main body.
The main body made of the synthetic resin material includes a sliding portion with the guide rail, and a pair of storage recesses for storing the pair of cables and the retaining projections thereof.
The metal slider plate includes a pair of cables and a pair of bifurcated forks corresponding to the retaining projections respectively housed in the pair of housing recesses of the main body, and each of the bifurcated forks is spaced from the cable diameter. A window regulator characterized by comprising a pair of retaining legs that sandwich the cable and that have a larger gap than the diameter of the retaining protrusion. 2. The window regulator according to claim 1, wherein the synthetic resin main body is formed with a buffer wall positioned between the bifurcated fork portion of the slider plate and the cable retaining protrusion. 3. The window regulator according to claim 1, wherein the main body and the slider plate are fastened together with a glass channel for fixing the door glass. 4. The window regulator according to claim 1, wherein the pair of cables intersect on a slider base, and the retaining projection is formed at an extension from the intersection. 5. regulator.

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