JP3904382B2 - Arm type window regulator and its assembling method - Google Patents

Description

[0001]
【Technical field】
The present invention relates to a vehicle arm type window regulator and an assembling method thereof.
[0002]
[Prior art and its problems]
Arm type window regulators are generally lift arms pivotally attached to the vehicle door panel, vehicle window glass positioned between the outer panel and the inner panel, fixed to the lower edge of the window glass, and the tip of the lift arm can be moved freely. And a drive mechanism for swinging the lift arm.
[0003]
In the arm type window regulator having such a basic configuration, in order to facilitate the assembling work, a glass holder is fixed in front of and behind the lower edge of the window glass, and this glass holder is fixed to the window glass bracket later. That is, at the time of assembly, the lift arm, its drive mechanism, and the window glass bracket are assembled in advance as the drive side, and the window glass is inserted between the outer panel and the inner panel, and the glass holder at the lower edge is fixed to the window glass bracket. . During this fixing operation, it is necessary to hold the window glass on the window glass bracket. For this reason, conventionally, it has been necessary to weld a drop-off prevention (temporary placement) plate as a separate member to the window glass bracket.
[0004]
OBJECT OF THE INVENTION
The present invention eliminates the need for a drop-off prevention plate, which has been indispensable for conventional window glass brackets, and can automatically position a window glass (glass holder) with respect to the window glass bracket and an assembly thereof. The purpose is to obtain a method.
[0005]
SUMMARY OF THE INVENTION
The present invention provides a lift arm that is driven to swing around a pivot shaft on the vehicle door panel side; a glass holder that is fixed to the lower edge of the vehicle window glass; and a guide piece at the tip of the lift arm that is movable. a guide groove of the angular U-shaped cross section having an opening in the side, the window glass bracket having a fixing portion of the glass holder; in-arm window regulator having a, a glass holder fixing portion of the window glass bracket, guide A fixed surface that is offset to the opposite side of the lateral opening with respect to the center of the groove in the width direction and is substantially orthogonal to the vehicle left-right direction; A first bracket-side left-right guide slope extending outward; and a first bracket-side left-right plan at a position facing the first bracket-side left-right guide slope. A second bracket side left and right direction guide slope provided to be inclined substantially opposite to the slope; and the left and right sides of the glass holder that are in close contact with the fixing surface when the window glass bracket is fixed to the glass holder fixing portion. A side guide slope that gradually tilts away from the fixing surface as it proceeds downward from the lower edge of the left and right side surface; and when the glass holder and the window glass bracket are fixed, The glass holder is guided to the glass holder fixing portion by the first or second bracket side lateral guide slope and the holder side lateral guide slope .
[0006]
It is preferable that the lower end part of the glass holder has a wedge-shaped cross-sectional shape having a second lateral side surface substantially orthogonal to the lateral direction of the vehicle and a holder side lateral guide slope as outer surfaces.
[0008]
In the present invention, in addition to a single arm type window regulator, an intermediate portion of an equalizer arm that lifts and lowers the window glass together with the lift arm is pivotally attached to an intermediate portion of the lift arm, and a guide piece at an upper end portion of the equalizer arm is attached to the lift arm. It can be applied to the X arm type in which the guide piece of the window glass bracket is movably guided together with the guide piece of the arm.
[0009]
According to arm window regulator of the present invention, in order from the exterior, the outer panel in a vehicle door panel having an inner panel and the modular panel, to the modular panel, Rifutoa arm, its drive mechanism, and the equalizer arm and the lift arm fixed to the inner panel by assembling Lee Koraizaa arm of the tip of the guide window glass bracket piece engaged in advance, then, between the outer panel and the inner panel, the vehicle window glass with a fixed glass holder around a lower edge An assembly method is possible in which the glass holder is inserted and fixed to the glass holder fixing portion of the window glass bracket.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The illustrated embodiment is an example in which the present invention is applied to an X arm type window regulator. As shown in FIG. 8, the vehicle door 10 includes an outer panel 11, an inner panel 12, and a modular panel 13 in order from the outdoor side. The inner panel 12 is provided with a door part assembly hole 14, and the modular panel 13 is provided so as to close the door part assembly hole 14.
[0011]
The X-arm type window regulator is supported on the outdoor surface of the modular panel 13 via a base plate (fixed base) 15. That is, the shaft 21 of the lift arm 20 of the X arm type window regulator is supported on the base plate 15 fixed to the outer surface of the modular panel 13, and the electric drive unit 22 is fixed. The lift arm 20 integrally has a sector gear (driven gear) 23 centered on a shaft 21, and the electric drive unit 22 includes a pinion 24 (FIG. 9) that meshes with the sector gear 23 and a drive motor (not shown). It has.
[0012]
An intermediate portion of the equalizer arm 26 is pivotally attached to the intermediate portion in the length direction of the lift arm 20 by a shaft 25. Guide pieces (rollers) 27 and 28 are pivotally attached to the upper end portions (tip portions) of the lift arm 20 and the equalizer arm 26 so as to be rotatable and tiltable, respectively. A roller 29 (FIG. 9) is pivotally attached.
[0013]
The guide piece 27 of the lift arm 20 and the guide piece 28 of the equalizer arm 26 are movably fitted to a window glass bracket (hereinafter referred to as glass BKT) 30, and the guide piece 29 of the equalizer arm 26 is a chamber of the modular panel 13. It is movably guided to an equalizer arm bracket (equalizer arm BKT, attitude maintaining rail) 40 fixed to the outer surface.
[0014]
On the other hand, a glass holder 42 is fixed to the lower edge of the window glass 41 positioned between the outer panel 11 and the inner panel 12 of the vehicle door 10 so as to be positioned in the front and rear thereof. The glass holder 42 is fixed to the lower edge of the window glass 41 in advance, and the window glass 41 having the glass holder 42 is inserted from the gap between the outer panel 11 and the inner panel 12 and fixed to the glass BKT 30.
[0015]
In the assembled state shown in FIG. 9, when the pinion 24 is driven forward and backward via the electric drive unit 22, the lift arm 20 swings around the shaft 21 via the sector gear 23. As a result, the glass BKT 30 (window The glass 41) moves up and down while being held in a substantially horizontal state by the equalizer arm 26, the guide pieces 27, 28 and 29, and the equalizer arm BKT40. Further, since the window glass 41 has a curvature, when the window glass 41 is raised and lowered, the guide pieces (rollers) 27 and 28 at the upper ends of the lift arm 20 and the equalizer arm 26 are tilted with respect to the glass BKT 30 (roller 27 The direction of the 28 axis changes with respect to the vehicle left-right direction). This raising / lowering operation itself is an operation of a normal X arm type window regulator.
[0016]
The present embodiment is characterized by the shapes of the glass BKT 30 and the glass holder 42. As shown in FIGS. 1 to 3, the glass BKT 30 is one side on which the guide pieces 27, 27 slide (roll) in the central portion excluding both ends in the length direction (vehicle longitudinal direction). part has a profile angle U-shaped guide groove 31 which is open to the front and rear end portions of the guide groove 31, and has a glass holder fixing portion 32. Each of the front and rear glass holder fixing portions 32 is welded with a nut 34 for screwing a fixing bolt 33 to a fixing surface 32a substantially orthogonal to the vehicle left-right direction. As shown in FIG. 1, the fixing surface 32 a is formed on an extension of the side surface of the guide groove portion 31 opposite to the side opening. That is, the fixed surface 32 a is formed at a position that is offset to the side opposite to the side opening of the guide groove portion 31 with respect to the center in the width direction of the guide groove portion 31.
[0017]
The front and rear glass holder fixing portions 32 have in common a left and right guide slope (first bracket side left and right guide slope) 35 extending obliquely outward in the left and right direction from the upper edge of the fixing surface 32a. In the glass holder fixing portion 32 behind the glass holder fixing portion 32 (on the right side (front side in FIG. 1)), a left-right direction guide inclined surface (second bracket-side left-right direction guide inclined surface) different from the left-right direction guide inclined surface 35 is provided. The pocket part 36 which has 36a and the front-back direction guide slope 36b is formed. 36c is an intersection line of the left-right direction guide slope 36a and the front-back direction guide slope 36b. The left-right direction guide slope 36a is paired with the left-right direction guide slope 35 to form a left-right direction guide surface having an inverted cross-section that is open upward. The front-rear direction guide slope 36b is a wall surface that is orthogonal to the fixed surface 32a, and that is inclined in a direction approaching the center (the guide groove 31 side) of the glass holder fixing portion 32 as it goes downward. is there. The glass holder fixing portion 32 is also formed with a position restricting bar 37 at the end of the glass holder fixing portion 32 that is positioned at the upper edge of the fixing surface 32a and orthogonal to the fixing surface 32a. The position restricting bar 37 restricts the position of the glass holder 42 guided to the fixed portion 32 by the left and right direction guide slopes 35 and 36a and the front and rear direction guide slope 36b. In the illustrated embodiment, only the rear glass holder fixing portion 32 is formed with the pocket portion 36 (the left-right direction guide slope 36a and the front-rear direction guide slope 36b). Substantially the same. Reference numeral 38 denotes a guide piece stopper for preventing the drop-off after the guide pieces 27 and 28 are fitted in the guide groove portion 31 of the glass BKT 30.
[0018]
FIG. 7 shows a planar shape before the glass BKT 30 is bent as shown in FIGS. A one-dot chain line is a bending line. As is clear from this figure, the glass BKT 30 of the present embodiment is made of the material even if the left and right direction guide slope 35, the pocket portion 36, the position regulating bar 37, and the guide piece stopper 38 are formed at the end of the guide groove portion 31. Therefore, the required width W is not increased, and the material cost is hardly increased.
[0019]
The glass holder 42 includes a bifurcated portion 42a that receives the window glass 41, and a fixed plate-like portion 42b that extends downward from the bifurcated portion 42a. The fixing plate portion 42b are bolt holes one side surface of the left-right direction (Fig. 3, right side of FIG. 5 and FIG. 6) shall brought into close contact with the fixing surface 32a of the glass BKT30, inserting the fixing bolt 33 42c is drilled. In addition, the fixed plate-like portion 42b is formed with a left-right direction inclined surface 42d and a front-rear direction inclined surface 42e at the tip (lower end) thereof. 42 d of left-right direction inclined surfaces are the direction which leaves | separates from this fixed surface 32a gradually as it progresses below from the lower edge of the said horizontal direction side surface closely_contact | adhered to the fixed surface 32a in the fixed plate-shaped part 42b (center direction of the width direction of the guide groove 31) ). Further, in the fixed plate-like portion 42b, the side surface (the left side surface in FIGS. 3, 5 and 6) opposite to the side where the left-right direction inclined surface 42d is provided is a plane (first side) substantially orthogonal to the vehicle left-right direction. 2 lateral sides). By this second lateral direction side and the left-right direction inclined surface 42d, the vehicle lateral direction cross section of the fixing plate portion 42b is substantially V-shaped (wedge), those of the left and right direction guide slopes 35,36a glass BKT30 The contact part has a sharp shape . The front-rear direction inclined surface 42e has a substantially V-shaped vehicle side surface shape of the fixed plate-like portion 42b, and guides the fixed plate-like portion 42b between the front-rear direction guide inclined surface 36b and the position restricting bar 37. . That is, the end of the glass holder 42 on the glass BKT 30 side has a shape in which the lower part of each of the vehicle front-rear direction and the left-right direction is narrowed.
[0020]
The X-arm type window regulator having the above-described configuration can be assembled as follows. A glass holder 42 is fixed to a lower edge of the window glass 41 at a predetermined position before and after the window glass 41. Separately, the lift arm 20 and the electric drive unit 22 that are swingable about the shaft 21 are fixed to the outer surface of the modular panel 13 via the base plate 15, and the equalizer arm BKT 40 is further fixed. An equalizer arm 26 is pivotally attached to the lift arm 20 by a shaft 25, guide pieces 27 and 28 of the lift arm 20 and the equalizer arm 26 are fitted into guide groove portions 31 of the glass BKT 30, and a guide piece 29 of the equalizer arm 26 is an equalizer. The arm BKT 40 is movably fitted.
[0021]
The modular panel 13 incorporating the above elements (X-arm type window regulator drive system) in advance is fixed to the inner panel 12 so as to close the door part assembly hole 14, and the glass BKT 30 is fixed at a predetermined height position and front and rear. Hold in position. The position adjustment of the glass BKT 30 is performed by rotating the lift arm 20 and moving the guide pieces 27 and 28 in the guide groove 31. As this position, for example, a position where any one of the guide pieces 27 and 28 contacts the guide piece stopper 38 can be used.
[0022]
Next, a window glass 41 having a glass holder 42 is inserted between the outer panel 11 and the inner panel 12 of the vehicle door 10. At this time, alignment is performed so that the positions of the glass holders 42 before and after the lower end portion of the window glass 41 and the positions of the glass holder fixing portions 32 before and after the glass BKT 30 are substantially matched. Then, when there is a positional deviation in the left-right direction of the vehicle between the fixing plate-like portion 42b of the glass holder 42 and the glass holder fixing portion 32 of the glass BKT 30, as shown in FIGS. 5 and 6, the rear of the glass BKT 30 In the glass holder fixing portion 32, the glass holder 42 is guided by the left-right direction guide slope 35 or the left-right direction guide slope 36a, and the glass holder 42 (window glass 41) is settled at a correct position in the left-right direction. Since the left-right direction inclined surface 42d is formed in the lower end part of the fixed plate-shaped part 42b, the big position shift of the window glass 41 (glass holder 42) and glass BKT30 (glass holder fixing part 32) of the left-right direction is correct | amended. It is possible. In the front glass holder fixing portion 32, it is possible to correct misalignment by the left-right direction guide slope 35. Note that the glass BKT 30 may be tilted as shown in FIGS. 5 and 6 because the guide pieces 27 and 28 can be tilted with respect to the arms 20 and 26 as described above.
[0023]
Further, when there is a positional deviation in the front-rear direction of the vehicle between the fixing plate-like portion 42b of the glass holder 42 and the glass holder fixing portion 32 of the glass BKT 30, as shown in FIG. 4, the front-rear direction of the fixing plate-like portion 42b. The inclined surface 42e is guided by the front / rear direction guide slope 36b and the position restricting bar 37, and the glass holder 42 (window glass 41) is settled at the correct front / rear position where the fixed plate-like portion 42b contacts the position restricting bar 37. In this state, the glass holder 42 (window glass 41) can be fixed to the glass BKT 30 by inserting the fixing bolt 33 into the bolt hole 42c of the glass holder 42 and screwing it into the nut 34.
[0024]
As described above, in the present embodiment, the window glass 41 is inserted between the outer panel 11 and the inner panel 12 with the modular panel 13 incorporating the X-arm type window regulator driving system fixed to the inner panel 12 first. Thus, the position of the glass holder fixing portion 32 of the glass BKT 30 and the position of the glass holder 42 of the window glass 41 can be automatically matched. When the positions match, the fixing screw 33 is tightened with a tool inserted from a tool hole (not shown) drilled in the inner panel 12.
[0025]
In the above embodiment, the pocket portion 36 is provided only on one (rear) of the glass holder fixing portions 32 before and after the glass BKT 30, but a similar pocket portion 36 may be provided on the other (front). In addition, the specific shape of the glass BKT 30 of the present embodiment is advantageous in terms of cost because it can be processed using a material having the same width as shown in FIG. Of course, it may be provided.
[0026]
As the arm type window regulator having the glass BKT 30 that moves up and down, an X arm type and a single arm type in which the equalizer arm 26 is omitted are known. The present invention is naturally applicable to this single arm type window regulator.
[0027]
In the above embodiment, the glass holders 42 are provided at the front and rear end portions of the window glass 41. However, for example, a mode in which one glass holder 42 is provided at the central portion is also possible. In this case, the glass holder fixing portion 32 provided on the glass BKT 30 is also provided corresponding to the glass holder. In the embodiment, a regulator that electrically drives the lift arm 20 has been described. However, the present invention can be applied to a manual regulator that manually rotates the lift arm 20. Further, although the shaft 25 of the lift arm 20 is provided on the base plate 15, a special bearing can be disposed on the modular panel 13 itself, or a non-penetrating type pivoting portion can be used. In the said embodiment, although the roller was illustrated as a guide piece, you may use the slide piece which slides without rotating.
[0028]
【The invention's effect】
According to the present invention, the window glass bracket of the arm type window regulator does not require the drop-off prevention plate which has been indispensable in the past, and the number of parts is reduced. Work can be done automatically.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view around a glass holder fixed to a window glass and a window glass bracket, showing an embodiment of an arm type window regulator according to the present invention.
FIG. 2 is a front view of the assembled state.
FIG. 3 is a cross-sectional view taken along line III-III in FIG.
FIG. 4 is a front view showing a state of correcting the positional deviation of the window glass in the vehicle front-rear direction by the guide slope formed on the window glass bracket.
FIG. 5 is a cross-sectional view corresponding to FIG. 3, showing a correction state of the window glass in the vehicle left-right direction (width direction) by the guide slope formed on the window glass bracket.
6 is a cross-sectional view corresponding to FIG. 3, showing a correction state different from FIG.
FIG. 7 is a plan view showing a planar shape before window glass bracket bending.
FIG. 8 is a perspective view showing an assembling procedure of an embodiment in which the present invention is applied to an X arm type window regulator.
FIG. 9 is a front view showing the assembled state.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Vehicle door 11 Outer panel 12 Inner panel 13 Modular panel 14 Door part assembly hole 20 Lift arm 22 Electric drive unit 23 Sector gear 26 Equalizer arm 27 28 29 Guide piece 30 Window glass bracket 31 Guide groove part 32 Glass holder fixing part 33 Fixing bolt 34 Nut 35 36a Left-right direction guide slope 36b Front-back direction guide slope 36 Pocket part 37 Position restriction bar 38 Guide piece stopper 40 Equalizer arm bracket 41 Window glass 42 Glass holder 42a Fork part 42b Fixing plate-like part 42c Bolt hole 42d Left-right direction inclined surface 42e Front / rear inclined surface

Claims (4)

A lift arm driven to swing around a pivot shaft on the vehicle door panel side;
A glass holder fixed to the lower edge of the window glass for a vehicle; and a guide groove portion having a square U-shaped cross section having an opening at a side portion for movably guiding a guide piece at the tip of the lift arm; and fixing the glass holder A window glass bracket having a portion;
Arm type window regulator with
In the glass holder fixing part of the window glass bracket ,
A fixed surface that is positioned offset to the opposite side of the side opening with respect to the center of the guide groove in the width direction;
A first bracket side left-right direction guide slope gradually extending obliquely outward in the vehicle left-right direction as it goes upward from the upper edge of the fixed surface;
A second bracket side left and right direction guide slope provided at a position facing the first bracket side left and right direction guide slope and inclined substantially opposite to the first bracket side left and right direction guide slope;
Form the
In the glass holder,
Left and right side surfaces in close contact with the fixed surface in a fixed state to the glass holder fixing portion;
A holder side left and right guide slope that gradually inclines away from the fixed surface as it proceeds downward from the lower edge of the left and right side surface;
Form the
An arm characterized by guiding the glass holder to the glass holder fixing portion by the first or second bracket side lateral guide slope and the holder side left and right guide slope when assembling the glass holder and the window glass bracket. Type window regulator. 2. The arm type window regulator according to claim 1, wherein the lower end portion of the glass holder has a wedge-shaped cross-sectional shape having a second left and right side surface substantially orthogonal to the left and right direction of the vehicle and the holder side left and right guide slopes as outer surfaces. Arm type window regulator. 3. The arm type window regulator according to claim 1 , wherein an intermediate portion of an equalizer arm for raising and lowering the window glass together with the lift arm is pivotally attached to an intermediate portion of the lift arm, and an upper end portion of the equalizer arm. An arm type window regulator in which the guide piece is movably guided in the guide groove of the window glass bracket together with the guide piece of the lift arm. The arm type window regulator according to claim 3, wherein the vehicle door panel includes an outer panel, an inner panel, and a modular panel in order from the outside of the vehicle.
In this modular panel, the lift arm, its drive mechanism, the equalizer arm, and a window glass bracket that engages the lift arm and the guide piece at the tip of the equalizer arm are assembled in advance and fixed to the inner panel,
After that, between the outer panel and the inner panel, the vehicle window glass having glass holders fixed before and after the lower edge is inserted, and the glass window is fixed to the glass holder fixing portion of the window glass bracket. Assembly method.

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