JP5167171B2 - Damper mounting structure - Google Patents

Description

  The present invention relates to a damper mounting structure for mounting a damper that supports a wheel so that the position of the damper can be adjusted with respect to a vehicle body.

  The vehicle is provided with a suspension device that rotatably supports the wheels and absorbs unevenness on the road surface. This suspension device includes a damper (shock absorber, shock absorber) that is attached to a vehicle body and suspends a wheel so as to be movable up and down.

  For example, in Patent Document 1, the upper portion of the shock absorber is positioned with respect to the upper bracket by tightening the plurality of adjustment bolts on the upper portion of the shock absorber through a common integrated washer through which the plurality of adjustment bolts are inserted. An upper fixing structure for a vehicle shock absorber that is adjustably mounted is disclosed.

  In the upper fixing structure of the vehicle shock absorber, a pair of long holes are formed in parallel with each other in the upper bracket attached to the vehicle body side, and the mounting position of the shock absorber is adjusted by four adjustment bolts inserted through the long holes. ing.

Japanese Patent Laid-Open No. 10-231883

  However, in the upper fixing structure of the vehicle shock absorber disclosed in Patent Document 1, in order to attach the shock absorber to the upper bracket so that the position of the shock absorber can be adjusted, a plurality of adjustment bolts or adjustment bolts attached to the upper portion of the shock absorber are attached. There is a problem that an integrated washer or the like to be inserted is required, the number of parts increases, the unsprung weight increases, and the manufacturing cost increases.

  Moreover, in the upper fixed structure of the vehicle shock absorber disclosed in Patent Document 1, it is necessary to perform a tightening operation of a plurality of adjustment bolts, and there is another problem that the assembling operation is complicated and the assembling property is lowered. is there.

  The present invention has been made in view of the above points, and by having a simple structure, the number of parts can be reduced and the manufacturing cost can be reduced, and the unsprung weight can be reduced and the assembling property can be improved. It is an object of the present invention to provide a damper mounting structure that can be used.

  To achieve the above object, the present invention provides a damper for supporting a wheel with respect to a vehicle body, an upper mount provided at an upper end of the damper and attached to the vehicle body, and an upper mount provided on the vehicle body. A vehicle body side mounting portion to which the vehicle body side mounting portion and the upper mount are fixed, and the vehicle body side mounting portion so that the fixing bolt can be inserted therethrough. And a positioning pin for determining a relative mounting position between the upper mount and the vehicle body side mounting portion. The positioning pin is mounted on the vehicle body side. The position selected when the mounting position is adjusted so that the mounting position can be changed to a plurality of different mounting positions on the mounting surface of the part and the upper mount. Pin insertion hole in which the positioning pin corresponding to the mounting position of the fit pin is inserted characterized in that it is plurality.

  According to the present invention, the positioning pin is removably mounted at a plurality of different mounting positions within the mounting surface of the vehicle body side mounting portion and the upper mount, and the positioning pin is at the mounting position selected when the mounting position is adjusted. And a simple structure in which the positioning pin is inserted in correspondence with the mounting position, the number of parts can be reduced and the manufacturing cost can be reduced as compared with the prior art, and the unsprung weight can be reduced. It is possible to reduce and improve the assemblability.

  Further, according to the present invention, for example, as an adjustment mechanism for adjusting the mounting position of the damper with respect to the vehicle body side mounting portion, the number of parts is passively reduced in that no parts such as bolts are newly added. Can be reduced.

  Further, in the present invention, the positioning pin projects from one of the upper mount and the vehicle body side mounting portion and engages with the other to position the mounting position of the upper mount and the vehicle body side mounting portion. It is good to be provided so that it can be inserted into the formed pin insertion hole.

  According to the present invention, the positioning pin for positioning the mounting position between the upper mount and the vehicle body side mounting portion can be provided on either the upper mount side or the vehicle body mounting portion side, thereby improving the degree of freedom in layout. Can be made.

  Furthermore, in the present invention, the positioning pin is detachably attached to the upper mount, and the upper mount is attached to the vehicle body attachment portion, and the first predetermined distance ( A) a first pin mounting hole provided in the upper mount at a predetermined position separated by a distance from which the positioning pin can be mounted; and the upper mount attached to the vehicle body mounting portion. A second pin mounting hole provided in the upper mount at a predetermined position separated from the center of the long hole by a second predetermined distance (A + α) different from the first predetermined distance and capable of mounting the positioning pin. And a first pin insertion through which the positioning pin is inserted corresponding to the first pin mounting hole or the second pin mounting hole. And characterized by having a second pin insertion hole.

  According to the present invention, for example, the second predetermined distance (A + α) from the reference state of the positioning pin mounted in the first pin mounting hole at the predetermined position separated by the first predetermined distance (A). Since the mounting position is uniquely determined by replacing the positioning pin with the second pin mounting hole at a predetermined position apart from the second pin mounting hole, setting of the geometry is facilitated. Further, the mounting position can be adjusted accurately without the operator performing measurement and adjustment.

  Furthermore, in the present invention, in a state where the upper mount is attached to the vehicle body attachment portion, the third predetermined distance (A−α) that is different from the first and second predetermined distances from the center of the long hole is separated. A third pin mounting hole provided on the upper mount at a predetermined position and capable of mounting the positioning pin, and the vehicle body mounting portion corresponds to the third pin mounting hole. And a third pin insertion hole through which the positioning pin is inserted.

  According to the present invention, for example, from the reference state of the positioning pin mounted in the first pin mounting hole at the predetermined position separated by the first predetermined distance (A), the third predetermined distance (A−α) is obtained. ) Since the mounting position is uniquely determined by replacing the positioning pin with the third pin mounting hole at a predetermined position separated by a), the setting of the geometry is facilitated and the adjustment range can be expanded. .

  Still further, in the present invention, the plurality of long holes are arranged so as to be positioned on the same circumference around the axis of the damper in a state where the upper mount is attached to the vehicle body side attachment portion. The long axes of the long holes may be set so as to be all parallel.

  According to the present invention, it is possible to adjust the camber angle of the wheel by matching the major axis direction of the plurality of elongated holes with the vehicle width direction, and by matching the major axis direction with the vehicle longitudinal direction, The caster angle of the wheel W can be adjusted.

  Furthermore, in the present invention, the first to third pin mounting holes are at predetermined positions separated from the tangential direction of a circle connecting the centers of the plurality of long holes by the first to third predetermined distances. Each may be arranged.

  According to the present invention, the mounting position can be easily set by rotating the upper mount side of the damper by a predetermined angle with respect to the vehicle body side body. As a result, the adjustment work of the mounting position can be simplified and the adjustment time can be shortened.

  In the present invention, it is possible to obtain a damper mounting structure that can reduce the number of parts and reduce the manufacturing cost by a simple structure, and can reduce the unsprung weight and improve the assembling property.

1 is a schematic perspective view of a suspension device to which a damper mounting structure according to an embodiment of the present invention is applied. (A) is a disassembled perspective view which shows the state before the upper mount of the damper which comprises the said suspension apparatus is attached to a body side panel, (b) is a perspective view which shows the state after attachment. It is a longitudinal cross-sectional view of a state where the upper mount is fixed to the body side panel. It is a permeation | transmission top view of the upper mount in the state fixed to the said body side panel. It is an enlarged plan view which shows the relationship between the long hole and bolt which were formed in the said upper mount. It is a permeation | transmission top view which shows the 1st adjustment state which adjusted the attachment position of the damper with respect to a body side panel. It is a permeation | transmission top view which shows the 2nd adjustment state which adjusted the attachment position of the damper with respect to a body side panel. It is a schematic perspective view which shows the application example which fixed the lower arm with respect to the sub-frame of the multilink suspension mechanism of a motor vehicle with the cam plate and the volt | bolt. (A)-(c) is explanatory drawing which shows the 1st example of arrangement | positioning of the several bolt fixing hole part in which the volt | bolt which comprises the said application example is screwed, (d), (e) is a some volt | bolt. It is explanatory drawing which shows the 2nd example of arrangement | positioning of the hole for fixation.

  Next, embodiments of the present invention will be described in detail with reference to the drawings as appropriate. FIG. 1 is a schematic perspective view of a suspension device to which a damper mounting structure according to an embodiment of the present invention is applied. FIG. 2A is a view before an upper mount of a damper constituting the suspension device is attached to a body side panel. FIG. 2B is a perspective view showing a state after being attached, FIG. 3 is a longitudinal sectional view showing a state in which the upper mount is fixed to the body side panel, and FIG. FIG. 5 is a transmission plan view of the upper mount in a state of being fixed to the body side panel, and FIG. 5 is an enlarged plan view showing the relationship between the long holes formed in the upper mount and the bolts.

  As shown in FIG. 1, a McPherson strut suspension device 10 has a knuckle (not shown) that rotatably supports an axle of a wheel W, a lower arm 12 that supports the knuckle, and a lower end portion of the knuckle (not shown). It has a strut 16 that is connected and contains a damper 14 (shock absorber, shock absorber), and a coil spring 18 that is engaged with the strut 16. The damper 14 is constituted by, for example, a well-known hydraulic damper that performs a damping action by a piston (not shown) that slides along a cylinder (not shown).

  In this embodiment, the case where the present invention is applied to the McPherson strut suspension device 10 is illustrated, but the present invention is not limited to this. For example, the present invention is applied to a double wishbone suspension device (not shown). Also good.

  As shown in FIGS. 2 and 3, an upper mount 20 is provided on the upper portion of the damper 14, and the upper mount 20 includes a plurality of first to third bolts (fixing bolts) 22 a to 22 c and nuts. The body side panel (vehicle body side mounting portion) 24 that faces an engine room (not shown) is fixed to the lower surface of the body room 23 via the 23. The first to third bolts 22 a to 22 c are arranged on a circle O described later so as to be spaced apart at equal angles along the circumferential direction, and fix the damper 14 to the body-side panel 24. The upper mount 20 is provided with a single positioning pin 26 that protrudes toward the body side panel 24 by a predetermined length.

  The positioning pin 26 is detachably provided to a first pin mounting hole 28a provided in the upper mount 20 via, for example, a screw portion 26a (see FIG. 3). In addition, as shown in FIG. 4, the positioning pin 26 can be replaced and mounted in a plurality of different mounting positions in the circular upper end surface (mounting surface) 20 a of the upper mount 20. A 2-pin mounting hole 28b and a third pin mounting hole 28c are provided.

  That is, in the reference state shown in FIG. 4, the positioning pin 26 is set in a state where it is mounted in the first pin mounting hole 28a. For example, as described later, the damper 14 is attached to the body side panel 24. When adjusting the position, the positioning pin 26 is removed from the first pin mounting hole 28a, and then the positioning pin 26 is mounted in the second pin mounting hole 28b to be in the first adjustment state (see FIG. 6). Or the positioning pin 26 can be mounted in the third pin mounting hole 28c to set the second adjustment state (see FIG. 7). 4, 6 and 7, the upper mount 20 side of the damper 14 is indicated by a solid line, and the body side panel (including a long hole and an insertion hole) is indicated by a two-dot chain line. .

  Returning to FIG. 4, the first to third bolts 22 a to 22 c are respectively inserted into the body side panel 24, and a plurality of first to third elongated holes 30 a to 30 are formed in an oval shape in plan view. 30c is provided (see the two-dot chain line). The centers of the first to third elongated holes 30a to 30c (intersections between the major axis and the minor axis) are located on a circle O having the same diameter with the axis of the damper 14 as a center, and are equiangular along the circumferential direction. They are arranged so as to be separated by (120 degrees).

  The first to third long holes 30a to 30c are provided so that their long axes are parallel to the arrow X direction. In this case, by making the arrow X direction coincide with the vehicle width direction, the camber angle of the wheel W can be adjusted as will be described later, and by making the arrow X direction coincide with the vehicle longitudinal direction, the wheel The caster angle of W can be adjusted.

  As shown in FIG. 4, the body side panel 24 is provided with first to third pin insertion holes 32 a to 32 c that are small circles in plan view and into which the positioning pins 26 can be inserted ( (See the two-dot chain line). In this case, the center of the first pin insertion hole 32a is located on a tangent line of a circle O passing through the center of the first long hole 30a, and is provided at a predetermined position separated by a distance A from the center of the first long hole 30a. It is done.

  The second pin insertion hole 32b is located on a tangent line of a circle O passing through the center of the second long hole 30b, and is provided at a predetermined position separated from the center of the second long hole 30b by a distance (A + α) (see FIG. 6). Further, the third pin insertion hole 32c is located on a tangent line of a circle O passing through the center of the third long hole 30c, and at a predetermined position separated from the center of the third long hole 30c by a distance (A-α). Provided (see FIG. 7).

  As shown in FIG. 5, the “α” is a first value along the long axis direction of the first long hole 30a in the reference state in which the positioning pin 26 is mounted in the first pin mounting hole 28a. The length is obtained by dividing the distance (2α) between the outer diameter of the bolt 22a and the first long hole 30a (inner diameter) into two.

  In the present embodiment, the positioning pin 26 is configured to be mounted in the first to third pin mounting holes 28a to 28c of the upper mount 20, but the present invention is not limited to this. The first to third pin mounting holes 28 a to 28 c may be formed in the side panel 24, and the positioning pins 26 may be mounted to the body side panel 24. In this case, the first to third pin insertion holes 32a to 32c are formed on the upper mount 20 side.

  The suspension device 10 to which the damper mounting structure according to the present embodiment is applied is basically configured as described above. Next, adjustment of the mounting position of the damper 14 with respect to the body side panel 24 will be described with reference to FIG. This will be described in comparison with FIG. 6 and FIG. FIG. 6 is a transparent plan view showing a first adjustment state in which the attachment position of the damper with respect to the body side panel is adjusted, and FIG. 7 is a transmission plan view showing a second adjustment state in which the attachment position of the damper with respect to the body side panel is adjusted. is there.

  First, the reference state shown in FIG. 4 will be described. This reference state refers to a state before adjustment in which the upper mount 20 is already attached to the body side panel 24. In this reference state, the centers of the first to third elongated holes 30a to 30c coincide with the central axes of the first to third bolts 22a to 22c, and the outer diameters of the first to third bolts 22a to 22c The separation distance along the major axis direction from the inner diameters of the first to third elongated holes 30a to 30c is set to 2α.

  In this reference state, in order to adjust the mounting position of the damper 14 with respect to the body side panel 24, the positioning pin 26 mounted in the first pin mounting hole 28a is removed, and then the positioning pin 26 is moved to the first position. A first adjustment in which the body side panel 24 and the damper 14 are positioned by inserting the mounted positioning pin 26 into the second pin insertion hole 32b of the body side panel 24 and mounting the 2 pin mounting hole 28b. In the state, the nut 23 is fastened and fixed to the first to third bolts 22a to 22c.

  That is, in the first adjustment state, as shown in FIG. 6, the damper 14 with respect to the body-side panel 24 is replaced with the positioning pin 26 from the first pin mounting hole 28a to the second pin mounting hole 28b. By positioning, the damper 14 can be set to a position (A + α) that is displaced by a distance α in the clockwise direction in plan view.

  As a result, in the present embodiment, for example, when the arrow X direction is set to coincide with the vehicle width direction, the correction is made in the direction of the negative camber in which the upper part of the wheel W when viewed from the front from the front of the vehicle is inclined inward. be able to. When the arrow X direction is set to coincide with the vehicle front-rear direction, the caster angle is corrected to change the inclination angle of the kingpin shaft (not shown) of the wheel (front wheel) W.

  On the other hand, in this reference state, in order to adjust the mounting position of the damper 14 with respect to the body side panel 24, the positioning pin 26 mounted in the first pin mounting hole 28a is removed, and then the positioning pin 26 is moved. The second pin in which the body side panel 24 and the damper 14 are positioned by being inserted into the third pin mounting hole 28c and the inserted positioning pin 26 is inserted into the third pin insertion hole 32c of the body side panel 24. In the adjusted state, the nut 23 is fastened and fixed to the first to third bolts 22a to 22c.

  In this second adjustment state, as shown in FIG. 7, the positioning of the damper 14 relative to the body side panel 24 with the positioning pin 26 replaced from the first pin mounting hole 28a to the third pin mounting hole 28c. By performing the above, the damper 14 can be set to a position (A-α) displaced by a distance α in the counterclockwise direction (opposite to the first adjustment state) in plan view.

  As a result, in the present embodiment, for example, when the direction of the arrow X is set to coincide with the vehicle width direction, the correction is made in the direction of the positive camber in which the upper part of the wheel W when viewed from the front from the front of the vehicle is inclined outward. be able to. When the arrow X direction is set to coincide with the vehicle front-rear direction, the caster angle is corrected to change the inclination angle of the kingpin shaft (not shown) of the wheel (front wheel) W.

  As described above, in the present embodiment, the positioning pin 26 mounted in advance at a predetermined position (first pin mounting hole 28a) is replaced with another selected pin mounting hole (for example, for mounting the second pin). By replacing the hole 28b or the third pin mounting hole 28c), the first to third bolts 22a to 22c are displaced in the first to third elongated holes 30a to 30c, and the first to third bolts are displaced. The mounting position of the damper 14 can be adjusted by rotating the damper 14 by a predetermined angle in the clockwise direction or the counterclockwise direction along the circumferential direction integrally with 22a to 22c.

  As a result, in the present embodiment, a simple structure provided with a plurality of pin mounting holes 28a to 28c and pin insertion holes 32a to 32c that can replace the positioning pin 26 is compared with the prior art. Thus, the number of parts can be reduced and the manufacturing cost can be reduced, and the unsprung weight can be reduced to improve the assemblability.

  Further, in the present embodiment, for example, as an adjustment mechanism for adjusting the mounting position of the damper 14 with respect to the body side panel 24, the number of parts is passively reduced in that no parts such as bolts are newly added. Can be reduced.

  Further, in the present embodiment, a positioning pin 26 for positioning the mounting position between the upper mount 20 and the body side panel 24 can be provided on either the upper mount 20 side or the body side panel 24. The degree of freedom can be improved.

  Furthermore, in the present embodiment, for example, the second predetermined distance from the reference state of the positioning pin 26 mounted in the first pin mounting hole 28a at the predetermined position separated by the first predetermined distance (A). By replacing the positioning pin 26 with the second pin mounting hole 28b located at a predetermined position separated by (A + α), the mounting position is uniquely determined, and the setting of the geometry becomes easy. Further, the mounting position can be adjusted accurately without the operator performing measurement and adjustment.

  Furthermore, in the present embodiment, for example, a third predetermined distance from the reference state of the positioning pin 26 mounted in the first pin mounting hole 28a at a predetermined position separated by the first predetermined distance (A). By replacing the positioning pin 26 with the third pin mounting hole 28c located at a predetermined position separated by (A-α), the mounting position is uniquely determined, so that the geometry can be easily set and the adjustment range is adjusted. Can be expanded.

  Furthermore, in this embodiment, it becomes possible to adjust the camber angle of the wheel W by making the major axis direction (arrow X direction) of the first to third elongated holes 30a to 30c coincide with the vehicle width direction. By making the major axis direction coincide with the vehicle longitudinal direction, the caster angle of the wheel W can be adjusted.

  Furthermore, in the present embodiment, the first to third pin mounting holes 28a to 28c, to which the positioning pin 26 can be replaced when adjusting the mounting position, are arranged at the centers of the first to third elongated holes 30a to 30c. By disposing each in the tangential direction of the connecting circle O, the mounting position can be easily set by rotating the upper mount 20 side of the damper 14 by a predetermined angle with respect to the body side panel 24 which is the fixed side. As a result, the adjustment work of the mounting position can be simplified and the adjustment time can be shortened.

  In the present embodiment, the first to third pin mounting holes 28a to 28c to which the positioning pins 26 are mounted are arranged in a tangential direction of a circle O connecting the centers of the plurality of long holes 30a to 30c. However, the present invention is not limited to this, and the upper mount 20 may be disposed at any different position within the upper end surface 20a.

  Further, in the present embodiment, the first to third elongated holes 30a to 30c through which the first to third bolts 22a to 22c for fixing the upper mount 20 and the body side panel 24 of the damper 14 are inserted have the same circumference. Although it arrange | positions above, it is not limited to this, It is necessary to make it respond | correspond to the arrangement position of each volt | bolt, but it does not need to be arrange | positioned on the same periphery.

  Furthermore, if the positioning pin 26 is not attached, the first to third bolts 22a to 22c move by a separation distance 2α from the first to third elongated holes 30a to 30c when adjusting the mounting position. The position can be adjusted more finely.

  Next, an application example in which the damper mounting structure according to the present invention is applied to the mounting portion between the bracket 100a and the lower arm 102 of the subframe 100 constituting the multilink suspension mechanism of the automobile will be described below.

  FIG. 8 is a schematic perspective view showing an application example in which a lower arm is fixed between a pair of brackets of a subframe of an automobile by a cam plate and a fastening member, and FIGS. 9A to 9C are bolts constituting the application example. FIG. 9D and FIG. 9E are explanatory views showing a second arrangement example of the plurality of bolt fixing holes, respectively. is there.

  In the application example, an annular portion 102a is provided at the tip of the lower arm 102 constituting the multi-link suspension mechanism, and the annular portion 102a has an elastic bush (not shown) fitted inside the annular portion 102a. And is pivotally mounted between a pair of brackets 100a of the subframe 100 via a pivot.

  In the application example, a cam member 108 including a flat cam plate 104 and a rod portion 106 of a fastening member 105 that penetrates a circular hole formed in the cam plate 104 in a direction substantially orthogonal to the cam member 108. Have. The rod portion 106 of the fastening member 105 is inserted along a circular hole portion of the cam plate 104 and a long hole 110 formed in the pair of brackets 100a, and is illustrated in a screw portion formed at one end portion of the rod portion 106. Do not tighten the nut. The cam plate 104 is formed with a mounting hole 114 through which the bolt 112 is inserted.

  Furthermore, a plurality of first to fifth bolt fixing holes 116a to 116e that are separated from each other in the substantially circumferential direction are formed in a portion close to the long hole 110 of the pair of brackets 100a. In this case, an arbitrary bolt fixing hole is selected from the plurality of first to fifth bolt fixing holes 116a to 116e, and the bolt 112 is screwed into the selected bolt fixing hole. By changing the mounting position of the cam plate 104, the position of the rod portion 106 with respect to the long hole 110 is adjusted, and the mounting position of the annular portion 102a of the lower arm 102 pivotally attached between the pair of brackets 100a is freely adjusted. be able to.

  The correspondence relationship between the embodiment and the application example will be described. The body side panel 24 of the embodiment corresponds to the pair of brackets 100a of the subframe 100 of the application example, and the upper mount 20 of the embodiment is the cam plate 104 of the application example. The first to third elongated holes 30a to 30c formed in the body side panel 24 of the embodiment correspond to the elongated holes 110 respectively formed in the pair of brackets 100a of the application example, and the positioning pins of the embodiment 26 and the first to third bolts 22a to 22c are used together to correspond to the bolt 112 of the application example, and the first to third pin mounting holes 28a to 28c of the embodiment are the first to fifth of the application example. It is provided so as to correspond to the bolt fixing holes 116a to 116e.

  FIGS. 9A to 9C illustrate a first arrangement example of the first to fifth bolt fixing holes 116a to 116e. In FIG. 9A, the bolt 112 penetrates the cam plate 104 by being screwed into the third bolt fixing hole 116c in the center of the plurality of first to fifth fixing bolts 116a to 116e. The axial center O1 of the rod portion 106 and the axial center O2 of the long hole 110 formed in the bracket 100a (the intersection of the long axis and the short axis) are in a state of matching. Further, in FIG. 9B, the bolt 112 is screwed into the second bolt fixing hole 116b, whereby the axis O1 of the rod portion 106 and the axis O2 of the long hole 110 are offset by the separation interval T1. It will be in the state. Further, in FIG. 9C, the bolt 112 is screwed into the uppermost first bolt fixing hole 116a, so that the spacing between the axis O1 of the rod portion 106 and the axis O2 of the long hole 110 is increased. T2 is maximized.

  FIGS. 9D and 9E show a second arrangement example of the first to fifth bolt fixing holes 116a to 116e different from the first arrangement example. In this second arrangement example, as shown in FIG. 9 (d), the bolt 112 is screwed into the second bolt fixing hole 116b and is common to FIG. 9 (b) in the first arrangement example. However, the axial center O1 of the rod portion 106 and the axial center O2 of the elongated hole 110 are offset by the separation interval T3, and the second bolt fixing 116b is arranged so as to be different from the separation interval T1 shown in FIG. (T3 ≠ T1).

Further, in the second arrangement example, as shown in FIG. 9E, the bolt 112 is screwed into the first bolt fixing hole 116a in common with FIG. 9C of the first arrangement example. However, the axial center O1 of the rod portion 106 and the axial center O2 of the elongated hole 110 are offset by the separation interval T4, so that the first bolt fixing hole portion 116a is different from the separation interval T2 shown in FIG. Are arranged (T4 ≠ T2).

  By applying the damper mounting structure according to the present invention to such an application example, the mounting position (mounting site) of the lower arm 102 with respect to the subframe 100 can be freely adjusted by the cam member 108. As a result, stable characteristics regarding toe (tire angle) change and camber change at the time of bumping can be maintained during reassembly.

DESCRIPTION OF SYMBOLS 10 Suspension apparatus 14 Damper 20 Upper mount 22a-22c Bolt (fixing bolt)
24 Body side panel (Body side mounting part)
24a Upper end surface (mounting surface)
26 Locating Pin 28a-28c Pin Mounting Hole 30a-30c Long Hole 32a-32c Pin Insertion Hole O Circle W Wheel

Claims (6)

A damper that supports the wheel against the vehicle body;
An upper mount provided at an upper end of the damper and attached to the vehicle body;
A vehicle body side mounting portion provided on the vehicle body to which the upper mount is mounted;
A fixing bolt for fixing the vehicle body side mounting portion and the upper mount;
An elongated hole that is formed in the vehicle body side mounting portion so that the fixing bolt can be inserted, and the mounting position of the upper mount attached to the vehicle body side mounting portion can be adjusted;
A positioning pin for determining a relative mounting position between the upper mount and the vehicle body side mounting portion;
With
The positioning pin is mounted so that it can be replaced by a plurality of different mounting positions on the mounting surface of the vehicle body side mounting portion and the upper mount, and corresponds to the mounting position of the positioning pin selected when adjusting the mounting position And a plurality of pin insertion holes through which the positioning pins are inserted. The damper mounting structure according to claim 1,
The positioning pin protrudes from one of the upper mount and the vehicle body side mounting portion and engages with the other to position the mounting position of the upper mount and the vehicle body side mounting portion, and is formed on the other side. A damper mounting structure, wherein the damper mounting structure is provided so as to be inserted into a pin insertion hole. The damper mounting structure according to claim 1,
The positioning pin is detachably attached to the upper mount,
In a state in which the upper mount is attached to the vehicle body attachment portion, the upper mount is provided at a predetermined position separated from the center of the elongated hole by a first predetermined distance, and the positioning pin can be attached. 1 pin mounting hole,
In the state where the upper mount is attached to the vehicle body attachment portion, the positioning pin is provided at a predetermined position separated from the center of the long hole by a second predetermined distance different from the first predetermined distance, A second pin mounting hole that can be mounted,
A first pin insertion hole and a second pin insertion hole, which are provided in the vehicle body side mounting portion, and through which the positioning pin is inserted corresponding to the first pin mounting hole or the second pin mounting hole;
A damper mounting structure characterized by comprising: The damper mounting structure according to claim 3,
In the state where the upper mount is attached to the vehicle body attachment portion, the upper mount is provided at a predetermined position separated from the center of the elongated hole by a third predetermined distance different from the first and second predetermined distances, A third pin mounting hole capable of mounting the positioning pin;
The damper mounting structure, wherein the vehicle body mounting portion is provided with a third pin insertion hole through which the positioning pin is inserted corresponding to the third pin mounting hole. The damper mounting structure according to claim 3 or 4,
A plurality of the long holes are arranged so as to be located on the same circumference around the axis of the damper in a state where the upper mount is attached to the vehicle body side attachment portion, and the long axes of the plurality of long holes are The damper mounting structure is characterized in that all are set to be parallel. The damper mounting structure according to claim 5,
The first to third pin mounting holes are respectively disposed at predetermined positions separated by first to third predetermined distances with respect to a tangential direction of a circle connecting the centers of the plurality of long holes. Damper mounting structure.

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