JP5722064B2 - Window regulator - Google Patents

Description

  The present invention relates to a window regulator disposed in a door of a vehicle.

  A drive wire wound around a hoisting drum by a type of window regulator that holds a window glass by a pair of sliders that are separated from the vehicle door and supported so as to be able to move up and down, and that drives the pair of sliders up and down via wires. Then, another synchronization wire is routed in an “X” shape and connected to each slider, and when one slider is pulled by the drive wire, the other slider is moved in the same direction by the synchronization wire. A type is known (Patent Document 1, Patent Document 2). Each wire is connected to each slider via a wire guide member such as a pulley provided apart in the slider sliding direction, and the drive wire moves forward and backward by driving the hoist drum electrically or manually forward and backward. The window glass moves up and down.

Japanese Patent Laid-Open No. 2002-2287 JP 2003-106043 A

  In this type of window regulator, since the wire guide member is located on the extension of the slider moving direction, the stroke of the slider must be determined within a range that does not interfere with the wire guide member. ) Was limited in size. In addition, when a traction force by the drive wire acts on the slider, it is required to prevent the slider from tilting and perform a smooth up-and-down movement.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a window regulator that can be downsized in the vertical direction of the window glass (sliding direction of the slider). It is another object of the present invention to provide a wind regulator that operates smoothly without tilting the slider when the window glass is driven up and down.

C I command regulator of the invention, its is intersecting the lifting direction is separated in a direction fastened with respect to the window glass, slidably supported in the pair against the guide rail extending in the lifting direction of the window glass A slider, a drive unit having a rotatable drum provided between the pair of sliders, and a pair of sliders wound around the drum of the drive unit and connected to the pair of sliders; A pair of drive wires pulling one and the other of the sliders in the sliding direction, and one end and the other end of the pair of sliders are connected from the opposite direction to the drive wires in the sliding direction, and synchronization wires for moving the slider in synchronization with, provided in each of the pair of sliders, the drive wire connecting the drive wire connections and synchronization word A synchronization wire connecting portion to which the wire is connected, and a fastening fixing portion which is provided on each of the pair of sliders and fastened and fixed to the window glass at one place, and is fastened to the window glass on the slider. The fastening fixing portion and each wire connecting portion are provided with different positions in the direction intersecting the sliding direction so that the drive wire connecting portion is located between the synchronous wire connecting portion and the synchronous wire connecting portion .

At least two wire guide members are provided for each slider, which are provided apart from each other in the sliding direction of the pair of sliders and guide the drive wire and the synchronization wire so as to advance and retreat in the sliding direction. At least one of the window glass lifting and lowering movement ends on a passing region of at least one of the drive wire and the synchronization wire extending from the drive wire connection portion and the synchronization wire connection portion, to a slide direction position partially overlapping with the wire guide member It is preferable to have a wire guide relief portion having an interference preventing shape that allows the slider to move.

The end of the drive wire is connected to the drive wire connection part of the slider via an elastic member that can be expanded and contracted in the slide direction, and the synchronous wire connection part is driven more than the drive wire connection part in the direction intersecting the slide direction. It is preferable to be located on the side close to the part.

In U I command regulator of the present invention, the drive wire connecting portion and the synchronization wire connecting portion by disposing side by side in a direction intersecting the sliding direction of the slider, it is possible to reduce the size of the slider to the lift direction of the window glass .

The drive wire connecting part is located closer to the fastening and fixing part to the window glass than the synchronous wire connecting part on each slider after the fastening and fixing part of each slider with respect to the window glass is located at one place. It is possible to suppress the generation of moment when towing the glass and to perform a smooth glass raising and lowering operation.

Further, by forming the wire guide relief portion on the slider, the movable range of the slider can be increased to the position where the wire guide member is disposed in the sliding direction. Thereby, the sliding direction size of the window regulator for giving a predetermined stroke amount to the slider can be made relatively small. In particular, in the type in which the drive wire is connected to the slider via the slack eliminating elastic member, the synchronous wire connection portion is positioned closer to the drive portion of the window regulator than the drive wire connection portion on the slider. The degree of freedom of the shape of the guide relief portion is increased, and a higher effect can be obtained with regard to downsizing of the window regulator.

It is a perspective view which shows embodiment of the window regulator by this invention. It is the perspective view which looked at the window regulator of FIG. 1 from the other side. It is a perspective view which shows the state integrated in the window regulator vehicle door of FIG.1 and FIG.2. FIG. 3 is a perspective view of one of a pair of sliders constituting the window regulator of FIGS. 1 and 2. It is the perspective view which looked at the same slider from the opposite side. It is a side view which shows the positional relationship of the slider and pulley in the raising / lowering moving end of a window glass. It is the figure which looked at the slider from the upper part. It is a side view which shows the other of a pair of slider which comprises the window regulator of FIG.1 and FIG.2.

  The wire-type window regulator 30 shown in FIG.1 and FIG.2 is comprised combining the 1st door inner panel 10 and the 2nd door inner panel 20, and each door inner panel 10 and 20 is set to a long side, respectively. When viewed from a macro having straight guide rails 11 and 21, the front triangular shape is formed, and the overlapping plate portions 12 and 22 are configured such that portions facing each other overlap each other. Are coupled by the coupling portion 13 with the guide rails 11 and 21 being parallel to each other. The first door inner panel 10 and the second door inner panel 20 are formed by press-molding a metal plate material.

  The first door inner panel 10 is formed with connecting portions 14 and 15 with the vehicle door panel (inner panel P shown in FIG. 3) so as to be positioned above and below the guide rail 11. The inner panel 20 is formed with connecting portions 24 and 25 that are positioned above and below the guide rail 21 and connected to the door panel of the vehicle. Sliders 16 and 26 are supported on the respective guide rails 11 and 21 so as to be movable up and down (slidable), and a window glass G (FIG. 3) is fixed to the pair of front and rear sliders 16 and 26.

  FIG. 3 shows a state in which the above window regulator 30 is incorporated in the vehicle door D. The connecting portions 14 and 15 of the first door inner panel 10 are used as connecting portions for connecting (fixing) the first door inner panel 10 (window regulator 30) to the inner panel P of the vehicle door D. Similarly, the connecting portions 24 and 25 of the second door inner panel 20 serve as connecting portions for connecting (fixing) the second door inner panel 20 (window regulator 30) to the inner panel P of the vehicle door D. It is used. Further, pulleys (wire guide members) 17, 18, 27, and 28 that are rotatable about the shafts 17 x, 18 x, 27 x, and 28 x are supported by these connecting portions 14, 15, 24, and 25.

  A driving unit 33 including a winding drum 31 and a motor unit 32 that rotationally drives the winding drum 31 in the forward and reverse directions is supported on the overlapping plate portion 12 (22). A pair of driven drive wires W1 and W2 and a synchronizing wire W ′ driven thereby are coupled to the slider 16 and the slider 26 via pulleys 17, 18, 27 and 28. More specifically, one drive wire W1 extending from the hoisting drum 31 is changed in direction by the pulley 18 and then coupled to the slider 16, and the other drive wire W2 is changed in direction by the pulley 27. To the slider 26. The two sliders 16, 26 are joined by another synchronization wire W ′ that is redirected by pulleys 17, 28. In FIG. 3, for easy identification, the drive wires W1 and W2 are indicated by solid lines, and the synchronization wire W ′ is indicated by an alternate long and short dash line. Therefore, when the hoisting drum 31 is driven forward and backward by the motor unit 32 with the window regulator 30 incorporated in the vehicle door D, the slider 16 and the slide in which the vertical pulling force acts via the drive wires W1 and W2 are slid. 26 is guided by the guide rails 11 and 21, respectively, and the vertical position of the window glass G is changed. The synchronization wire W 'is for moving the slider on the opposite side of the pair of sliders 16, 26 on the side opposite to the side on which the traction force is applied by the drive wires W1, W2. For example, when the slider 26 is pulled upward by the drive wire W2, the slider 16 is pulled upward via the synchronization wire W ′ according to the movement of the slider 26, and the slider 16 is pulled downward by the drive wire W1. When the slider 16 is moved, the slider 26 is pulled down via the synchronization wire W ′ in accordance with the movement of the slider 16.

  Next, the detailed structure of the sliders 16 and 26 will be described with reference to FIG. In the following, the slider 26 supported on the guide rail 21 side will be mainly described, and only the point of difference between the slider 16 on the guide rail 11 side and the slider 26 will be described later. Further, in the following description, the direction intersecting (substantially orthogonal) the sliding direction of the slider 26 (16) with respect to the guide rail 21 (11) (hereinafter referred to as the sliding direction) is defined as the slider 26 (16) or the guide rail 21 (11). ), The side closer to the center of the window regulator 30 provided with the drive unit 33 is the inner side in the width direction, and the opposite side is the outer side in the width direction.

  The slider 26 has a base 40 made of a synthetic resin, and a holder 41 having a glass holding groove 41 a having a U-shaped cross section is fixed to the upper portion of the base 40. A lower edge portion of the window glass G is fitted and held in the glass holding groove 41a, and a bolt insertion hole (fastening fixing portion) 42 through which a fastening bolt for fastening and fixing to the holder 41 is inserted is formed in the base 40. Yes. That is, the base 40 is fastened and fixed to the combined body of the window glass G and the holder 41 at the position of the bolt insertion hole 42. The base 40 has a pair of upper and lower claw portions 43 and 44 that are slidably engaged with the guide rail 21, and the opposite side (back side) to the guide rail 21 from the claw portions 43 and 44. A sliding guide portion comprising an elastic contact portion 45 that makes elastic contact is formed. The claw portions 43 and 44 and the elastic contact portion 45 are in substantially the same position in the width direction of the slider 26, and the elastic contact portion 45 is positioned between the pair of claw portions 43 and 44 in the slide direction. ing. As shown in FIG. 7, the claw portions 43, 44 have hook-like shapes that protrude from the base 40 and are bent, and the guide rails 21 are connected by the claw portions 43, 44 and the elastic contact portions 45. By sandwiching, the slider 26 is supported so as to be slidable in the vertical direction while suppressing backlash.

  The base 40 is further formed with a drive wire housing connection portion (drive wire connection portion) 46 to which the drive wire W2 is connected and fixed, and a synchronization wire housing connection portion (synchronization wire connection portion) 47 to which the synchronization wire W ′ is connected. The Each of the drive wire accommodation connection portion 46 and the synchronization wire accommodation connection portion 47 is formed as a groove portion that is long in the sliding direction of the slider 26. The drive wire W2 is not directly coupled to the slider 26, an engagement piece provided at the end of the drive wire W2 is connected to a coil spring (expandable member) 50, and a tip piece 51 of the coil spring 50 is connected to the drive wire. It is inserted into the accommodation connecting part 46 and fixed. The coil spring 50 is a tension coil spring that can expand and contract in the axial direction, and is supported in the drive wire housing connection portion 46 so as to be expandable and contractable. A tip piece 52 provided at the tip of the synchronization wire W ′ is inserted and fixed to the synchronization wire housing connection portion 47. In a state where the corresponding wires W2 and W ′ are connected to both the wire accommodating and connecting portions 46 and 47, tension is applied in the direction in which the drive wire W2 and the synchronous wire W ′ are brought close to each other by the biasing force of the coil spring 50. The slack is removed.

  The drive wire housing / connecting portion 46 and the synchronization wire housing / connecting portion 47 are formed at different positions in the width direction of the slider 26 (in parallel). More specifically, it is driven with respect to the bolt insertion hole 42 which is a fastening and fixing portion to the combined body of the window glass G and the holder 41, and the claw portions 43 and 44 and the elastic contact portion 45 constituting the sliding guide portion. The wire accommodating / connecting portion 46 and the synchronizing wire accommodating / connecting portion 47 are disposed on the inner side in the width direction of the slider 26 (on the side closer to the driving portion 33), and the synchronizing wire accommodating / connecting portion 47 is further disposed on the driving wire accommodating / connecting portion. It is located inside 46 in the width direction.

  On the inner side in the width direction of the slider 26, upper and lower relief recesses (wire guide relief portions) 55 and 56 are formed so as to cut out a part of the base 40. The escape recess 55 is formed in the upper region of the drive wire housing connection portion 46 and the synchronization wire housing connection portion 47, and has a concave shape with a curvature corresponding to the outer peripheral shape of the pulley 27 (see FIG. 6). The escape recess 56 is formed in the lower region of the synchronous wire housing connection 47 and has a concave shape with a curvature corresponding to the outer peripheral shape of the pulley 28 (see FIG. 6). As shown in FIG. 6, the drive wire W <b> 2 extending from the drive wire accommodating / connecting portion 46 goes to the pulley 27 through a position overlapping the upper relief recess 55. In addition, the synchronization wire W ′ extending from the synchronization wire housing / connecting portion 47 goes to the pulley 28 through a position overlapping the lower relief recess 56. In FIG. 6, the positional relationship between the slider 26 and the pulley 27 when the window regulator 30 positions the window glass G at the uppermost position (at the top dead center), and the window regulator 30 moves the window glass G to the lowermost position. The positional relationship between the slider 26 and the pulley 28 in the state of being located (at the bottom dead center) is conceptually shown at the same time. As can be seen from FIG. 2, the actual distance between the pulleys 27 and 28 is wider than this.

  Due to the formation of the relief recesses 55 and 56, the length of the base 40 (slider 26) in the sliding direction is an inner region in the width direction in which the drive wire accommodation connection portion 46 and the synchronization wire accommodation connection portion 47 are formed. It is shorter than the area. More specifically, the length in the sliding direction of the base 40 (slider 26) at the position where the synchronous wire accommodating / connecting portion 47, which is the innermost side in the width direction, is L1, and the base 40 (slider 26) at the position where the driving wire accommodating / connecting portion 46 is formed. When the length in the sliding direction is L2 and the length in the sliding direction of the base 40 (slider 26) in other regions is L3, the relationship is L1 <L2 <L3.

  According to the slider 26 having the above-described structure, the window regulator 30 can be reduced in size, particularly in the vertical direction of the window glass G (sliding direction of the slider 26). First, the drive wire housing connection portion 46 and the synchronization wire housing connection portion 47 to which the drive wire W2 and the synchronization wire W ′ are respectively connected are arranged in parallel so that the mutual positions are shifted in the width direction of the slider 26. The area for wire connection is shortened as compared with the mode of arranging in series in the sliding direction of 26, and the entire length of the slider 26 (base 40) in the sliding direction can be shortened.

  In addition, relief recesses 55 and 56 having a shape for preventing interference with the pulleys 27 and 28 are formed on the extension of the wire extending direction from the slider 26 (on the passing region of the drive wire W2 and the synchronization wire W ′). Thus, as shown in FIG. 6, the position of the slider 26 at the rising movement end of the window glass G is shifted upward without interfering with the pulley 27 (until the pulley 27 and the sliding direction position partially overlap each other). The slider 26 can be moved), and the position of the slider 26 at the lowering end of the window glass G is shifted downward without interfering with the pulley 28 (the pulley 28 and the slide direction position are partially overlapped). It is possible to move the slider 26). In other words, the length in the sliding direction of the window regulator 30 for giving a predetermined stroke amount to the window glass G (the interval between the upper and lower pulleys 27 and 28) is compared to the case where the escape recesses 55 and 56 are not formed. It can be shortened.

  Further, by setting the mutual position so that the synchronization wire accommodation connection portion 47 is located on the inner side in the width direction (side closer to the drive portion 33) than the drive wire accommodation connection portion 46, the drive wire accommodation connection portion 46 and The slider 26 can be reduced in size while giving an optimum length to each of the synchronous wire accommodating and connecting portions 47. First, in the drive wire accommodating / connecting portion 46, a certain length is required in the sliding direction in order to support and guide the coil spring 50 so that it can be expanded and contracted without being bent. On the other hand, the synchronization wire housing / connecting portion 47 only needs to be able to support and fix the distal end piece 52 of the synchronization wire W ′, so that the length in the sliding direction is shorter than that of the drive wire housing / connecting portion 46. Then, the drive wire housing / connecting portion 46 that is required to be relatively long is arranged on the outer side in the width direction of the slider 26, and the synchronous wire housing / connecting portion 47 that can be set shorter than the drive wire housing / connecting portion 46. Is arranged in the width direction inner side of the slider 26 so that the length of the slider 26 (base 40) in the sliding direction is gradually shortened from the outer side in the width direction toward the inner side (L3> L2> L1). It is possible to form relief recesses 55 and 56 having a high effect of preventing interference with 27 and 28 (having a large concave shape).

  Note that the arrangement of the components on the slider 26 in this embodiment is also effective from the viewpoint of suppressing harmful moments when the window glass G is driven up and down. As described above, the slider 26 is fastened to the combined body of the window glass G and the holder 41 via the fastening bolts inserted through the bolt insertion holes 42. The driving wire W2 applies a force in the glass raising / lowering direction from the driving unit 33 to the slider 26. However, on the slider 26, the connecting position of the driving wire W2 (driving wire accommodating connecting portion 46) and the window glass G are applied. The greater the distance (interval in the width direction) of the fastening position (bolt insertion hole 42), the larger the moment for rotating the slider 26 around the bolt insertion hole 42 when the slider 26 is pulled by the drive wire W2. . Here, in the width direction of the slider 26, the drive wire housing / connecting portion 46 is disposed closer to the bolt insertion hole 42 than the synchronous wire housing / connecting portion 47, whereby this moment can be suppressed to the minimum. Inclination can be prevented and the window glass G can be smoothly moved up and down.

  That is, in the slider 26 according to the present embodiment, the drive wire housing connection portion 46 and the synchronization wire housing connection portion 47 are arranged in parallel in the width direction, and the drive wire housing connection is achieved after miniaturization in the sliding direction. The following effects are obtained by positioning the portion 46 in the width direction outside near the bolt insertion hole 42 and the synchronization wire housing connection portion 47 in the width direction inside near the driving portion 33. First, by positioning the synchronous wire accommodating / connecting portion 47 with little length restriction in the sliding direction on the inner side in the width direction, the degree of freedom of the shape of the escape recesses 55 and 56 is increased, and without interfering with the pulleys 27 and 28. A large amount of movement of the slider 26 can be secured, and as a result, a reduction in the sliding direction length of the window regulator 30 is achieved. In addition, the drive wire accommodating / connecting portion 46 to which the drive wire W2 that receives the traction force from the drive portion 33 is connected is disposed at a position close to the bolt insertion hole 42 that is the fastening portion to the window glass G (holder 41) that is the drive target. By doing so, the moment when pulling by the drive wire W2 can be suppressed, and the window glass G can be moved up and down smoothly.

  The slider 16 shown in detail in FIG. 8 basically has a symmetric configuration with the slider 26, and the obtained effect is also common with the slider 26. In the slider 16, the connection (extension) direction of the drive wire W1 and the synchronization wire W ′ is upside down with respect to the slider 26. Correspondingly, the extension direction of the drive wire W1 (on the passage region of the drive wire W1) ) And a relief recess (wire guide relief portion) 155 having a shape preventing interference with the pulley 18 is located on the lower side, in the extending direction of the synchronization wire W ′ (on the passing region of the synchronization wire W ′). 17 is different from the slider 26 in that an escape recess (wire guide escape portion) 156 having a shape for preventing interference with the contact 17 is formed on the upper side. Since the other structures are the same as those of the slider 26 except that they are symmetrical in the front-rear direction, these common components are denoted by the same reference numerals as those of the slider 26 in FIG.

  As mentioned above, although this invention was demonstrated based on illustration embodiment, this invention is not limited to embodiment. For example, in the embodiment, a pulley is used as a wire guide member for guiding the drive wires W1, W2 and the synchronous wire W ′. However, the present invention is also applicable to a type of window regulator in which the wire is guided by a non-rotating fixed member. Is possible.

  The window regulator 30 of the embodiment is an electric drive type in which the hoisting drum 31 is rotated by the motor unit 32. However, the present invention is also applied to a type of window regulator in which the hoisting drum 31 is rotated by manual operation. Is possible.

  Further, the window regulator 30 of the embodiment is configured by combining the first door inner panel 10 and the second door inner panel 20, but the type of the window regulator in which the member having the guide rail is not such a divided structure. The present invention is also applicable.

  In the illustrated embodiment, the slider 16 and the slider 26 both have two relief recesses (55 and 56, 155) corresponding to the two wires (the drive wires W1, W2 and the synchronization wire W ′) connected to each slider. However, in the present invention, it is possible to provide only one of the relief recesses formed in the slider. From the viewpoint of reducing the size of the window regulator in the sliding direction, it is preferable to form relief recesses on both sides in the sliding direction of each slider as in the illustrated embodiment, but the relief recesses are formed only on one side in the sliding direction of each slider. Even in the formed aspect, a predetermined effect can be obtained with respect to downsizing.

D Vehicle door G Window glass W1 W2 Drive wire W ′ Synchronous wire 10 20 Door inner panel 11 21 Guide rail 14 15 24 25 Connection portion with door panel 16 26 Slider 17 18 27 28 Pulley (wire guide member)
30 Wind regulator 31 Winding drum 32 Motor unit 33 Drive unit 40 Base 41 Holder 42 Bolt insertion hole (fastening fixing portion)
43 44 Claw part 45 Elastic contact part 46 Drive wire accommodation connection part (drive wire connection part)
47 Synchronous wire housing connection (synchronous wire connection)
50 Coil spring (expandable member)
51 52 Tip piece 55 56 155 156 Recessed recess (wire guide escaped portion)

Claims (3)

A pair of sliders fastened and fixed to the window glass in a direction crossing the ascending / descending direction, and slidably supported by guide rails extending in the ascending / descending direction of the window glass;
A drive unit having a rotatable drum provided between the pair of sliders;
A pair of drive wires wound around the drum of the drive unit and connected to the pair of sliders, respectively, and pulling one and the other of the pair of sliders in the sliding direction by forward and reverse rotation of the drum;
A synchronization wire that connects one end and the other end of the pair of sliders from the opposite direction to the drive wire in the sliding direction, and moves the pair of sliders synchronously when towed by each drive wire;
A drive wire connection portion to which the drive wire is connected, a synchronization wire connection portion to which the synchronization wire is connected, provided on each of the pair of sliders; and
A fastening and fixing portion provided on each of the pair of sliders and fastened and fixed at one place to the window glass;
Have
On the slider, the fastening and fixing portions and the wire connecting portions are positioned differently in the direction intersecting the sliding direction so that the driving wire connecting portion is positioned between the fastening and fixing portion and the synchronous wire connecting portion. A window regulator characterized by being provided . 2. The window regulator according to claim 1, wherein the pair of sliders are provided so as to be separated from each other in the sliding direction, and guide the drive wire and the synchronization wire so as to advance and retreat in the sliding direction. With two wire guide members,
Each of the pair of sliders on at least one of the driving wire connecting portion and the synchronizing wire connecting portion extending at least one of the driving wire and the synchronizing wire, and at least one of the moving up and down ends of the window glass, A window regulator comprising a wire guide relief portion having an interference prevention shape that allows the slider to move to a position in the sliding direction that partially overlaps the wire guide member . 3. The wind regulator according to claim 1, wherein an end portion of the drive wire is connected to the drive wire connection portion via an expansion / contraction member capable of expanding and contracting in the sliding direction.
The window regulator according to claim 1 , wherein the synchronous wire connecting portion is located closer to the driving portion than the driving wire connecting portion in a direction crossing the sliding direction .