WO2020090273A1 - ダンパマウント取付構造およびダンパマウント - Google Patents
ダンパマウント取付構造およびダンパマウント Download PDFInfo
- Publication number
- WO2020090273A1 WO2020090273A1 PCT/JP2019/036659 JP2019036659W WO2020090273A1 WO 2020090273 A1 WO2020090273 A1 WO 2020090273A1 JP 2019036659 W JP2019036659 W JP 2019036659W WO 2020090273 A1 WO2020090273 A1 WO 2020090273A1
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- WIPO (PCT)
- Prior art keywords
- damper mount
- base body
- mounting
- ribs
- rib
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
- B60G15/068—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit specially adapted for MacPherson strut-type suspension
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/54—Arrangements for attachment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/128—Damper mount on vehicle body or chassis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/80—Manufacturing procedures
- B60G2206/82—Joining
- B60G2206/8207—Joining by screwing
Definitions
- the present invention relates to a damper mount mounting structure and a damper mount.
- the damper mount mounting structure of the present invention includes a damper mount for fixing the upper part of the suspension to the mounting opening on the vehicle body side, and the damper mount is provided on the base mounted on the upper part of the suspension and protruding from the outer peripheral surface of the base.
- a rib that connects between the mounting portion that mounts the base body on the peripheral edge of the mounting opening and the mounting portion and the outer peripheral surface of the base body by contacting the back surface side of the peripheral edge portion of the mounting opening with the base body inserted into the mounting opening.
- the rib has a side surface facing the inner peripheral surface of the mounting opening.
- the damper mount includes a plurality of ribs that bulge outward from the outer peripheral surface of the base body in a radial outward direction from the outer peripheral surface of the base body, and extend from the upper portion of the outer peripheral portion of the base body to the mounting portion to form a base body.
- a flow path forming recess is provided at a boundary portion with the mounting portion, and the flow path forming recess is provided continuously from the rib located in the center to the adjacent left and right ribs of the plurality of ribs. It is characterized by being.
- a damper mount mounting structure and a damper mount capable of improving positioning accuracy and improving assemblability.
- FIG. 1 is a perspective view illustrating an overall configuration in which a damper mount is mounted on a suspension mounting portion of a vehicle body in the damper mount mounting structure according to the first exemplary embodiment of the present invention. It is a perspective view explaining a mode that a damper mount is attached to a suspension attachment part of a vehicle body in a damper mount attachment structure. It is a perspective view of a damper mount used for a damper mount attachment structure. It is the perspective view which looked at the damper mount from another direction. It is a side view of a damper mount. It is a top view of a damper mount. It is a top view explaining a mode that a damper mount is attached to a suspension attachment part of a vehicle body in a damper mount attachment structure.
- FIG. 8 is a side view of the damper mount mounting structure as seen from the direction of arrow VIII in FIG. 7 showing how the damper mount rotates. It is a top view explaining a mode that a damper mount is positioned and attached in a damper mount attachment structure.
- FIG. 10 is a cross-sectional view showing a state where a bolt is inserted into a positioned bolt fixing hole, at a position along line XX in FIG. 9.
- FIG. 10 is a cross-sectional view taken along a line XI-XI in FIG. 9 for explaining a state in which the inner peripheral surface located at the peripheral portion of the mounting opening is not raised by the concave portion in a state where the damper mount is mounted. .. FIG.
- FIG. 7 is an exploded perspective view of a suspension damper incorporating a damper mount according to the second embodiment of the present invention.
- FIG. 13 is a perspective view of the damper mount shown in FIG. 12.
- FIG. 14 is a plan view of the damper mount shown in FIG. 13.
- FIG. 15 is a side view seen from the arrow Y in FIG. 14.
- FIG. 15 is an enlarged vertical sectional view taken along line XVI-XVI of FIG. 14. It is explanatory drawing which shows the relationship between the virtual lines X2 and X3 from the 1st hollow part to the terminal part of a flow path formation recessed part, and the horizontal axis H which passes along the center O of a base
- Embodiment 1 (damper mount mounting structure) of the present invention will be described with reference to the drawings as appropriate.
- the same components are designated by the same reference numerals, and duplicate description will be omitted.
- the description will be based on the front / rear, left / right, or up / down as viewed from the driver. Further, the “vehicle width direction” is synonymous with the “left and right direction”.
- the damper mount mounting structure of the first embodiment (damper mount mounting structure) is mounted on the suspension mounting portion 2 on the side of the vehicle body 1, the suspension device 3, and the upper portion 3 a of the suspension device 3 to be mounted on the suspension.
- a damper mount 10 for mounting the device 3 on the suspension mounting portion 2 is provided.
- a damper mount mounting structure of the suspension device 3 used for the right front wheel of the vehicle body 1 will be shown and described. Note that the damper mount mounting structure of the suspension device 3 that is applied to the left front, left, and right rear wheels is the same as or equivalent to the suspension device 3 used for the right front wheel, and thus description thereof is omitted.
- the suspension mounting portion 2 of the first embodiment has a seat surface portion 5.
- the seat surface portion 5 is formed at an upper portion of a pair of left and right body tire houses 4 in the vehicle width direction of the vehicle body 1 so as to be inclined inward in the vehicle width direction.
- the seat surface portion 5 has a mounting opening 6 and a pair of bolt fastening holes 7, 7.
- the mounting opening 6 has a circular opening in the center of the upper portion.
- the bolt fastening holes 7, 7 are formed on the opposite sides of the mounting opening 6 so as to sandwich the mounting opening 6 from both sides in the vehicle front-rear direction.
- the suspension device 3 is arranged in the left and right wheel houses of the vehicle body 1, and has a coil spring (not shown), a shock absorber as a cushioning member, and the like.
- the shock absorber has a shock absorber body housed in a cylindrical damper tube 3b.
- a piston rod that extends and contracts in the insertion / removal direction projects from the upper end of the damper tube 3b.
- the lower portion of the damper tube 3b is connected to a portion such as a knuckle arm (not shown) that moves relative to the vehicle body 1.
- a damper mount 10 is attached to the upper portion of the suspension device 3 at the tip of a piston rod that projects upward from the upper end of the damper tube 3b.
- the damper mount 10 has a housing portion 11 as a base body mounted on the upper portion 3a of the suspension device 3, and a stay portion 15 as an attachment portion integrally projecting from the outer peripheral surface 11a of the housing portion 11. ..
- the inner diameter dimension D1 of the mounting opening 6 on the vehicle body 1 side is set to be larger than the outer diameter dimension D2 of the housing portion 11 of the damper mount 10 (see FIG. 7). Then, the damper mount 10 is mounted by inserting the housing portion 11 into the mounting opening 6 and bringing the stay portion 15 into contact with the rear surface side 6a of the peripheral edge of the mounting opening 6. As a result, the upper portion of the suspension device 3 is mounted on the vehicle body 1 and absorbs and relaxes an input load in the vehicle vertical direction.
- the damper mount 10 of the first embodiment has a cylindrical housing portion 11. As shown in FIG. 3, on the outer peripheral surface 11a of the housing portion 11, a first rib 21, a second rib 22, and a third rib 23 (which connect the stay portion 15 and the outer peripheral surface 11a of the housing portion 11 in a continuous manner). Hereinafter, the first rib 21 to the third rib 23 are also provided). The first rib 21 to the third rib 23 are provided so as to project outward in the radial direction of the housing portion 11, face the inner peripheral surface 6b of the mounting opening 6, and are herein parallel side surfaces 21a, 22a. , 23a (see FIG. 11).
- the side surfaces 21a, 22a, 23a of the damper mount 10 face the inner peripheral surface 6b of the mounting opening 6, and the side surfaces 21a, 22a, 23a of the damper mount 10 extend radially outward from the outer peripheral surface 11a toward the stay portion 15. It is formed in a taper shape at an angle that widens toward the end and intersects with the center line L of the housing portion 11. These side surfaces 21a, 22a, 23a are formed in a straight line having a predetermined width dimension and inclining.
- a flat contact surface 16a and a recessed portion 50 in which the contact surface 16a is recessed in the in-plane direction are formed on the upper surface side of the stay portion 15.
- the concave portion 50 has a V shape (see FIG. 6) along the outer peripheral surface 11 a and is formed across the first rib 21, the second rib 22, and the third rib 23.
- the intersection 50a between the side surfaces 21a, 22a, 23a and the contact surface 16a is configured to be located in the recess 50 of the contact surface 16a of the stay 15 (see FIG. 11). ..
- the contact surface 16a formed on the upper surface of the stay portion 15 is flat and inclined at a predetermined angle ⁇ (0 to 90 °) with respect to the center line L of the housing portion 11. Has been formed. Therefore, even if the angle around the center line L is deviated, the damper mount 10 is pushed from below to follow the inclination, the housing portion 11 rotates, and the corresponding bolt insertion holes 17 and 17 and the bolt fastening hole 7 are rotated. , And 7 are matched respectively. Then, the contact surface 16a can contact the rear surface side 6a of the peripheral portion of the mounting opening 6 in a surface contact state.
- bolt contact holes 17, 17 are formed in the contact surface 16a.
- the positions of the bolt insertion holes 17, 17 are formed so as to correspond to the bolt fastening holes 7, 7 formed in the seat surface portion 5, respectively.
- the positions of the bolt insertion holes 17, 17 and the bolt fastening holes 7, 7 may be provided at any position around the mounting opening 6.
- the bolt members 30 and 30 as fastening members are inserted into the bolt fastening holes 7 and 7 and the bolt insertion holes 17 and 17 in a state where the contact surface 16a is brought into contact with the back surface 6a (FIG. 2). reference).
- the bolt members 30, 30 are screwed into the nut members 40, 40 arranged on the upper surface side of the seat surface portion 5.
- the upper portion 3a of the suspension device 3 is fixed to the vehicle body 1 by screwing the bolt members 30, 30 and the nut members 40, 40 (see FIG. 1).
- the plurality of first ribs 21 to third ribs 23 are respectively provided outside the center line L of the housing portion 11 in the vehicle width direction.
- the first ribs 21, the second ribs 22, and the third ribs 23 have surfaces that are opposed to each other by the inclined side surfaces 21a, 22a, and 23a.
- the side surfaces 21a, 22a, 23a are further formed so as to be continuously provided in a tapered shape between the outer peripheral surface 11a and the contact surface 16a.
- the first rib 21 to the third rib 23 of the first embodiment are provided at regular intervals on the circumference of the outer peripheral surface 11a.
- a pair of the second ribs 22 and the third ribs 23 are provided at equal distances in the vehicle front-rear direction with the first ribs 21 interposed therebetween.
- the contact surface 16a of the first embodiment has an angle ⁇ set so as to obliquely intersect the center line L of the housing portion 11.
- the inclination direction of the contact surface 16a is formed so as to descend inward in the vehicle width direction (In direction) at the same angle ⁇ as the inclination direction of the rear surface side 6a of the seat surface portion 5 of the suspension mounting portion 2 (Fig. 10).
- the damper mount mounting structure of the first embodiment configured as described above, the positioning accuracy can be improved and the assemblability can be improved. That is, when the upper portion 3a of the suspension device 3 is attached to the suspension attachment portion 2 of the vehicle body 1, as shown in FIG. 2, the housing portion 11 is inserted from the rear surface side 6a of the seat surface portion 5 toward the vehicle upper side. At this time, as shown in FIG. 7, the inner diameter dimension D1 of the mounting opening 6 is larger than the outer diameter dimension D2 of the housing portion 11, and the housing portion 11 can be inserted into the mounting opening 6 in the vehicle vertical direction ( (See FIG. 8).
- the side surface 21 a of the first rib 21, the side surface 22 a of the second rib 22, and the side surface 23 a of the third rib 23 are formed so as to face the inner peripheral surface 6 b of the mounting opening 6. Therefore, when the housing portion 11 is inserted into the mounting opening 6, the side surfaces 21a, 22a, and 23a slide-contact the inner peripheral surface 6b of the mounting opening 6 and slide the housing portion 11 to a desired mounting position. To do. Therefore, since the positioning accuracy is improved, the bolt members 30, 30 are easily inserted (see FIG. 10) from the bolt insertion holes 17, 17 toward the bolt fastening holes 7, 7 and screwed to the nut members 40, 40. be able to. Thus, as shown in FIG. 1, the upper portion 3a of the suspension device 3 can be guided to a desired position where the suspension device 3 can be attached to the vehicle body 1. Therefore, the assembling property when assembling the suspension device 3 can be improved.
- the side surfaces 21a, 22a, 23a facing the inner peripheral surface 6b of the mounting opening 6 have a constant width dimension and are inclined at an angle intersecting the center line L of the housing portion 11 to form a straight line. It is formed into a shape. For this reason, the side surfaces 21a, 22a, and 23a have an angle diverging radially outward from the outer peripheral surface 11a toward the stay portion 15 and intersect with the center line L of the housing portion 11, and the intersection portion 50a is It is located in the recess 50 (see FIG. 11).
- the corner between the back surface 6a and the inner peripheral surface 6b does not ride on the R portion formed in the corner on the vehicle body side, and the positional deviation occurs. It can be prevented. Further, when they are parallel to each other, they always come into contact with each other in a state of abutting against each other. Therefore, it is possible to adjust the intended amount of positional deviation and further improve the positioning accuracy. Further, it is not necessary to provide a new shape, such as by separately processing a receiving surface (cut and raised) on the periphery of the mounting opening 6 on the vehicle body 1 side. Therefore, the manufacturing is easy because it is completed only by processing the housing portion 11 side.
- the first rib 21 to the third rib 23 are provided outside the center line L of the housing portion 11 in the vehicle width direction.
- a plurality of first ribs 21 to third ribs 23 provided at predetermined intervals are provided on the inner peripheral surface 6b of the mounting opening 6. Abutting. Among the plurality of first ribs 21 and the like, rotation is suppressed when abutting at two points, and rotation is suppressed when further abutting at three points, and positional deviation is further suppressed.
- the housing portion 11 since the housing portion 11 abuts at three locations, the housing portion 11 is restrained from moving in the rotation direction about the center line L as compared with the case where the housing portion 11 abuts at one location. The positional deviation is further suppressed.
- a pair of second ribs 22 and third ribs 23 provided in the vehicle front-rear direction are in contact with the inner peripheral surface 6b of the mounting opening 6 at the same distance with the first rib 21 interposed therebetween. There is.
- the second ribs 22 and the third ribs 23 press the inner peripheral surface 6b in opposite directions toward the vehicle front-rear direction. Therefore, it is possible to prevent the upper portion 3a of the suspension device 3 from moving in the vehicle front-rear direction with respect to the vehicle body 1.
- the contact surface 16a of the first embodiment has a mounting angle set so as to obliquely intersect the center line L of the housing portion 11 at the same angle ⁇ as the rear surface side 6a of the peripheral edge portion. ing. Therefore, the contact surface 16a and the back surface 6a of the peripheral edge portion are overlapped in parallel with each other, and the positioning accuracy is further improved, and the assembling property can be improved.
- the stay portion 15 when the housing portion 11 is inserted from the rear surface side 6a of the seat surface portion 5 toward the upper side of the vehicle as shown in FIG. 7, the stay portion 15 is inclined at a predetermined angle ⁇ as shown in FIG. The relatively high portion of the abuts on the back surface 6a. The relatively high portion of the stay portion 15 moves by reaction force while slidingly contacting the rear surface side 6a and presses the housing portion 11. Therefore, the suspension device 3 is rotated in the circumferential direction C.
- the bolt member 30 can be easily attached from the tip to the bolt insertion hole 17 and the bolt fastening. It can be inserted into the hole 7.
- the contact surface 16a whose inclination direction is the same angle ⁇ and the rear surface side 6a of the peripheral portion overlap each other in parallel. Therefore, the positioning accuracy when screwing the nut member 40 onto the bolt member 30 is further improved, and the nut member 40 can be easily assembled.
- FIG. 12 is an exploded perspective view of a suspension damper incorporating a damper mount according to Embodiment 2 of the present invention
- FIG. 13 is a perspective view of the damper mount shown in FIG. 12
- FIG. 14 is a perspective view of the damper mount shown in FIG. 14 is a plan view
- FIG. 15 is a side view seen from the direction of arrow Y in FIG. 14
- FIG. 16 is an enlarged vertical sectional view taken along line XVI-XVI of FIG. 14, and
- FIG. 17 is a flow path from the first recessed portion.
- It is explanatory drawing which shows the relationship between the virtual lines X2 and X3 which reach the terminal part of a formation recessed part, and the horizontal axis H which passes along the center O of a base
- front and rear and up and down indicated by arrows in each figure indicate the front and rear direction and the up and down direction of the vehicle
- left and right indicates the left and right direction (vehicle width direction) as viewed from the driver's seat ing.
- the suspension damper 9 includes a damper main body 14 surrounded by a damper spring 12 formed of a coil spring, and a damper mount 16 arranged on the upper part of the damper main body 14.
- the damper main body 14 includes a damper tube 18, a piston rod 20 housed in the damper tube 18, an upper spring seat 24a against which the upper end of the damper spring 12 is pressed, and a lower spring seat against which the lower end of the damper spring 12 is pressed. 24b and the like.
- the suspension damper 9 in which the damper tube 18 and the damper spring 12 are arranged substantially coaxially is described as an example, but the present invention is not limited to this.
- the damper mount 16 can be applied to a suspension damper (not shown) in which the damper tube 18 and the damper spring 12 are arranged side by side on different axes.
- the damper mount 16 has a base body 26, a mounting portion 28, first ribs 21 to third ribs 23, and a flow passage forming recess 32.
- the base body 26 has a bottomed cylindrical shape having an outer peripheral portion 34, and is connected to the upper end portion of the damper body 14 (piston rod 20) (see FIG. 12).
- the upper surface portion 36 of the base body 26 is formed in a circular shape in a plan view (see FIGS. 14 and 15).
- each mounting portion 28 is formed of a flat plate body having a substantially triangular shape in a plan view, and is provided so as to project outward from the outer peripheral portion 34 of the base 26.
- a bolt insertion hole 38 penetrating therethrough is formed in each mounting portion 28, and a strut tower (vehicle body) 42 (see FIG. 12) is provided via a bolt member 30 and nut members 40 and 41 which are inserted into the bolt insertion hole 38. It is attached to.
- each mounting portion 28 is not limited to a substantially triangular shape in a plan view, and may be a quadrangular shape in a plan view, for example.
- an imaginary line X1 passing through the upper surface 29 of each mounting portion 28 is inclined by a predetermined angle ⁇ with respect to an axis A of the base body 26 (the same as the central axis A described later) when viewed from the side. Is provided. That is, the imaginary line X1 passing through the upper surface 29 of each mounting portion 28 is inclined so as to fall from the side having the first rib 21 toward the outer peripheral portion 34a on the opposite side of the first rib 21 (see FIG. 15). ). As a result, the upper surface 29 of the mounting portion 28 forms an inclined surface that is inclined from the side having the first rib 21 toward the outer peripheral portion 34a on the opposite side of the first rib 21 (see FIG. 4).
- the plurality of first ribs 21 to third ribs 23 bulge outward in the radial direction from the outer peripheral portion 34 of the base body 26, and are attached from the upper portion of the outer peripheral portion 34 of the base body 26 to the mounting portion. It extends to 28.
- the plurality of ribs includes a first rib 21 located at the center, and second ribs 22 and third ribs 23 arranged on both left and right sides in the circumferential direction with the first rib 21 interposed therebetween.
- the first rib 21 to the third rib 23 are illustrated as the plurality of ribs, but the number and shape are not limited to this.
- the first rib 21 has a substantially semicircular shape in plan view (see FIG. 14), and has a top portion 44 that bulges from an outer peripheral portion 34 slightly below the upper surface portion 36 of the base 26. It has a first ridge line portion 46 that descends from the top portion 44 toward the attachment portion 28 side, and a skirt portion 48 that gradually widens from the top portion 44.
- the first rib 21 is not limited to the substantially semicircular shape in plan view, and may be, for example, a substantially triangular shape in plan view.
- the second rib 22 has a substantially isosceles triangular shape in plan view (see FIG. 14), and the top portion 51 bulging from the outer peripheral portion 34 slightly below the upper surface portion 36 of the base 26. And a second ridge line portion 52 that descends from the top portion 51 toward the mounting portion 28 side, and a wide skirt portion 54 that is wider in the circumferential direction of the outer peripheral portion 34 than the skirt portion 48 of the first rib 21. ..
- the third rib 23 is formed so as to be symmetrical to the second rib 22, for example.
- the third rib 23 has a substantially isosceles triangular shape in plan view (see FIG. 14), and has a top portion 56 that bulges from the outer peripheral portion 34 slightly below the upper surface portion 36 of the base 26. It has a third ridge line portion 58 that descends from the top portion 56 toward the mounting portion 28 side, and a wide skirt portion 60 that is wider in the circumferential direction than the skirt portion 48 of the first rib 21.
- the second rib 22 and the third rib 23 are not limited to the substantially isosceles triangular shape in plan view, and may have other shapes.
- the flow path forming recess 32 is provided at the boundary between the base 26 and the upper surface 29 side of the mounting portion 28.
- the flow path forming recess 32 is continuously provided from the first rib 21 located at the center to the adjacent left and right second ribs 22 and third ribs 23.
- a plurality of recessed portions that are recessed toward the lower surface 31 side of the mounting portion 28 as compared with the general portion 62 are provided at intersections between the first rib 21 to the third rib 23 and each mounting portion 28. There is.
- the plurality of recessed portions are composed of first to third recessed portions 64a to 64c which are arranged in proximity to the first ribs 21 to third ribs 23, respectively.
- the flow path forming recess 32 is provided so as to connect and connect the first to third recesses 64a to 64c.
- an imaginary line X2 from the first recess 64a near the first rib 21 located in the center to the terminal end 66 of the flow path forming recess 32 is a horizontal axis passing through the center O of the base 26. It is inclined (crossed) with respect to H. That is, the imaginary line X2 that connects the first hollow portion 64a, the second hollow portion 64b, and the one end portion 66 of the flow path forming concave portion 32 is inclined (intersecting) with respect to the horizontal axis H passing through the center of the base 26. is doing.
- An imaginary line X3 connecting the first hollow portion 64a, the third hollow portion 64c, and the other end portion 66 of the flow path forming recess 32 is inclined (intersecting) with respect to the horizontal axis H passing through the center of the base body 26. is doing.
- the bottom surface portion 68 of the flow path forming concave portion 32 is formed substantially parallel to the upper surface 29 of each mounting portion 28 inclined by a predetermined angle ⁇ with respect to the axis A of the base body 26, and the base body 26 is formed. It is formed of an inclined surface that falls toward the outer peripheral portion 34.
- the case where the first rib 21 to the third rib 23 are arranged toward the outer side in the vehicle width direction is shown as an example, but the present invention is not limited to this. Not a thing.
- the first rib 21 to the third rib 23 are arranged toward the inner side in the vehicle width direction, or arranged toward the front or rear of the vehicle, they are located at arbitrary positions along the entire circumference of the outer peripheral portion 34 of the base body 26. Can be placed at.
- the suspension damper 9 in which the damper mount 16 according to the second embodiment is incorporated is basically configured as described above. Next, its function and effect will be described.
- 18 and 19 are explanatory views showing a state where water flows along the flow path forming concave portion. 18 and 19, thick line arrows indicate the water flow direction (drainage direction).
- the flow path forming concave portion 32 is provided at the boundary portion between the base body 26 and each mounting portion 28.
- the flow path forming recess 32 is continuously provided from the first rib 21 located at the center to the adjacent left and right second ribs 22 and third ribs 23.
- the second embodiment for example, when water (moisture) enters the engine room due to vehicle running or dew condensation in rainy weather, or water (moisture) enters from the bottom side of the vehicle (underfoot side). Even in such a case, water (moisture) can be circulated along the flow path forming recess 32 (see FIGS. 18 and 19) and discharged from the damper mount 16 to the outside, so that the drainage performance can be improved. .. As a result, in the second embodiment, it is possible to prevent water (moisture) that has entered the engine room from accumulating on the upper surface 29 of each mounting portion 28 and prevent corrosion.
- the first to third recesses 64a to 64c are provided at the intersections between the first ribs 21 to third ribs 23 and the mounting portion 28, respectively, and the flow path forming recess 32 is formed. Are provided by connecting the first to third recesses 64a to 64c, respectively.
- water water
- water can be smoothly discharged to the outside along the flow path forming recess 32 provided by connecting the first to third recesses 64a to 64c.
- the virtual line (X1) passing through the upper surface 29 of each mounting portion 28 is provided so as to be inclined by the angle ⁇ with respect to the axis line (A) of the base body 26 (see FIG. 15).
- An imaginary line (X2, X3) from the first recess 64a close to the first rib 21 located in the center to the terminal end 66 of the flow path forming recess 32 is with respect to the horizontal axis (H) passing through the center of the base 26. (See FIG. 17).
- the imaginary line (X1) passing through the upper surface 29 of each mounting portion 28 is inclined at a predetermined angle with respect to the axis (A) of the base body 26, so that the water flowing along the flow path forming recess 32 is formed. (Moisture) can be made to flow below the upper surface 29 of the mounting portion 28 inclining. This makes it possible to further improve the drainability of water (moisture) collected on the upper surface 29 of the mounting portion 28.
- the virtual line (X2, X3) from the first recess 64a to the terminal end 66 of the flow path forming recess 32 is inclined with respect to the horizontal axis (H) passing through the center of the base 26.
- the flow of water (moisture) flowing along the flow path forming recess 32 can be promoted.
- the present invention is not limited to Embodiments 1 and 2 described above, and various modifications are possible.
- the first and second embodiments described above are illustrated for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described. Further, a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment. Further, it is possible to delete a part of the configuration of each embodiment or add / replace another configuration. Possible modifications to the above embodiment are, for example, as follows.
- the damper mount mounting structure and the damper mount of the suspension device 3 used for the right front wheel of the vehicle body 1 have been shown and described, but the present invention is not limited to this.
- the damper mount mounting structure and the damper mount of the suspension device 3 may be applied to the left front, left, and right rear wheels, and the parts and the quantity to be used are not particularly limited by the description of the first and second embodiments. ..
- first and second embodiments a plurality of first ribs 21 to third ribs 23 are provided.
- a pair of the second ribs 22 and the third ribs 23 are provided at equal distances in the vehicle front-rear direction with the first ribs 21 interposed therebetween.
- the first ribs 21 and the like may be used alone, may be provided as two or more pairs, or may be provided in plural at spaced positions. That is, as long as the stay portion 15 and the outer peripheral surface 11a of the housing portion 11 are connected to each other and have the side surface 21a facing the inner peripheral surface 6b of the mounting opening 6 and the like, the shape, quantity and material of the ribs.
- the ribs can be improved in accuracy by adding them, and the accuracy can be further improved by making the side surfaces 21a and the like parallel to the inner peripheral surface 6b of the mounting opening 6.
- the first rib 21 to the third rib 23 are provided so as to project outward in the radial direction of the housing portion 11 and face the inner peripheral surface 6b of the mounting opening 6, Has parallel side surfaces 21a, 22a, 23a (see FIG. 11).
- the present invention is not limited to this, for example, it may not be parallel, and may be any other angle as long as it faces the inner peripheral surface 6b.
- the side surfaces 21a, 22a, 23a are formed so as to be continuously provided in a tapered shape.
- the present invention is not limited to this, and the side surfaces 21a, 22a, and 23a facing the inner peripheral surface 6b do not have to be tapered, and the inclination angle may be any angle.
- it may not be inclined, and one side surface 21a may be a combination of a plurality of inclined surfaces having different inclination angles.
- the contact surface 16a of the first embodiment is inclined with respect to the rear surface side 6a of the seat surface portion 5 of the suspension mounting portion 2 so as to obliquely intersect the center line L of the housing portion 11.
- the present invention is not limited to this.
- the inclination direction may be outward in the vehicle width direction (Out direction), and the descending direction such as the vehicle front-rear direction may be any direction.
- the direction of movement may be any direction.
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Abstract
Description
このようなダンパマウント取付構造では、ダンパの上部をボディタイヤハウスの上壁に取付ける際、位置決めを行ってボルト孔にボルトを挿通する。
本発明は、位置決め精度を向上させて、組付性を良好なものとすることができるダンパマウント取付構造およびダンパマウントを提供することを目的とする。
また、ダンパマウントは、リブを、基体の外周面から複数、基体の外周部から半径外方向に向かって膨出すると共に、基体の外周部の上部から前記取付部まで延在して、基体と取付部との境界部位には、流路形成凹部が設けられ、流路形成凹部は、複数のリブのうち、中央に位置するリブから隣接する左右のリブに至るように連続して設けられていることを特徴としている。
以下、本発明の実施形態1(ダンパマウント取付構造)について、適宜図面を参照しながら説明する。同一の構成要素には同一の符号を付し、重複する説明を省略する。方向を説明する際には、特に示さない限り、基本的に運転者から見た前後,左右あるいは上下に基づいて説明する。また、「車幅方向」は「左右方向」と同義である。
座面部5は、取付開口6と、一対のボルト締結孔7,7とを有している。取付開口6は、上部中央部に円形に開口している。ボルト締結孔7,7は、取付開口6を車両前後方向両側から挟むように反対側に配置されてそれぞれ開口形成されている。
ショックアブソーバは、円筒状のダンパチューブ3b内にショックアブソーバ本体を収納している。また、ダンパチューブ3bの上端からは、挿抜方向に伸縮するピストンロッドが突設されている。さらに、ダンパチューブ3bの下部が図示しないナックルアーム等、車体1に対して相対移動する箇所に接続されている。
ダンパマウント10は、サスペンション装置3の上部3aに装着される基体としてのハウジング部11と、ハウジング部11の外周面11aから一体に突設された取付部としてのステー部15とを有している。
そして、ダンパマウント10は、ハウジング部11を取付開口6内に挿入して、取付開口6の周縁の裏面側6aにステー部15を当接させて取付けられる。これにより、サスペンション装置3の上部は、車体1に装着されて車両上下方向への入力荷重を吸収して緩和する。
実施形態1のダンパマウント10は、円筒状のハウジング部11を有している。
図3に示すように、ハウジング部11の外周面11aには、ステー部15およびハウジング部11の外周面11aとの間を連設する第1リブ21,第2リブ22,第3リブ23(以下、第1リブ21~第3リブ23とも記す)が設けられている。
第1リブ21~第3リブ23は、ハウジング部11の径方向外側に向けて凸設されていて、取付開口6の内周面6bに対向して、ここでは、平行となる側面21a,22a,23aを有している(図11参照)。
これらの側面21a,22a,23aは、所定の幅寸法を有して傾斜する直線状に形成されている。
凹部50は、外周面11aに沿う上面視くの字状(図6参照)で、第1リブ21,第2リブ22,第3リブ23間に跨って形成されている。そして、側面21a,22a,23aと当接面16aとの間の交点部50aは、ステー部15の当接面16aのうち、凹部50内に位置するように構成されている(図11参照)。
そして、当接面16aを裏面側6aに当接させた状態で、これらのボルト締結孔7,7およびボルト挿通孔17,17に締結部材としてのボルト部材30,30が挿通される(図2参照)。ボルト部材30,30は、座面部5の上面側に配置されるナット部材40,40に螺合される。ボルト部材30,30およびナット部材40,40の螺合により、サスペンション装置3の上部3aは、車体1に固定される(図1参照)。
当接面16aの傾斜方向は、サスペンション取付部2の座面部5の裏面側6aの傾斜方向と同一角度αで車幅方向内側(In方向)に向けて下降するように形成されている(図10参照)。
このように構成された実施形態1のダンパマウント取付構造では、位置決め精度を向上させて、組付性を良好なものとすることができる。
すなわち、サスペンション装置3の上部3aを車体1のサスペンション取付部2に取付ける場合、図2に示すように、座面部5の裏面側6aから車両上方に向けてハウジング部11を挿入する。
この際、図7に示すように、取付開口6の内径寸法D1は、ハウジング部11の外径寸法D2よりも大きく、ハウジング部11は、取付開口6内へ車両上下方向に挿通可能である(図8参照)。第1リブ21の側面21a,第2リブ22の側面22a,第3リブ23の側面23aは、取付開口6の内周面6bに対向するように形成されている。
このため、ハウジング部11が取付開口6内へ挿通されると、各側面21a,22a,23aは、取付開口6の内周面6bに摺接しながら、ハウジング部11を所望の装着位置までスライドガイドする。
よって、位置決め精度が向上するため、ボルト部材30,30をボルト挿通孔17,17からボルト締結孔7,7に向けて容易に挿通(図10参照)させ、ナット部材40,40に螺合させることができる。
このように、図1に示すようにサスペンション装置3の上部3aを車体1に取付けられる所望の位置まで導くことができる。したがって、サスペンション装置3を組付ける際の組付性を良好なものとすることができる。
このため、側面21a,22a,23aは、外周面11aからステー部15に向かって径方向外側に向けて末広がりで、ハウジング部11の中心線Lと交差する角度を有し、交点部50aは、凹部50内に位置する(図11参照)。
したがって、裏面側6aが当接面16aに当接した状態でも裏面側6aおよび内周面6b間の角部が車体側の入隅部に形成されるR部に乗り上げることがなく、位置ズレを防止できる。また、平行とした場合には、必ず面当たり状態で当接する。
よって、意図した位置ズレ量の調整が可能となり、さらに位置決め精度を向上させることができる。
また、車体1側の取付開口6の周縁に、受け面(切起こしなど)を別途加工する等、新設する形状を設ける必要がない。したがって、ハウジング部11側の加工のみで完結するため、製造が容易である。
図9に示すように、車体1にサスペンション装置3が装着された状態では、取付開口6の内周面6bに、所定間隔を置いて設けられた複数の第1リブ21~第3リブ23が当接している。
複数の第1リブ21等のうち、二点で当接していると回転が抑制され、更に三点で当接していると、回転が抑制されるとともに、位置ズレが更に抑制される。
この実施形態1では、三か所で当接しているため、一か所で当接している場合と比べてハウジング部11は、中心線Lを中心とする回転方向の移動が抑制されるとともに、位置ズレが更に抑制される。
このため、車体1に対して、サスペンション装置3の上部3aが車両前後方向に移動することを抑制することができる。
ステー部15の比較的高い部分は、裏面側6aに摺接しながら反力で移動して、ハウジング部11を押圧する。このため、サスペンション装置3を周方向Cに回転させる。
この状態で傾斜方向を同一角度αとする当接面16aと周縁部の裏面側6aとは、平行な状態で重なり合う。
したがって、ナット部材40をボルト部材30に螺合させる際の位置決め精度がさらに向上して、容易に組付できる。
ところで、雨天時の車両走行や結露によってエンジンルーム内に水(水分)が進入する場合がある。この場合、エンジンルーム内に進入した水(水分)がダンパマウント上に溜まり、腐蝕するおそれがある。
実施形態2では、前記の点に鑑みてなされたものであり、水が溜まらないように排水性を向上させることが可能なダンパマウントを提供する。
各取付部28には、貫通するボルト挿通孔38が形成され、このボルト挿通孔38に挿通されるボルト部材30及びナット部材40,41を介してストラットタワー(車体)42(図12参照)に対して取り付けられている。なお、各取付部28は、平面視して略三角形状に限定されるものではなく、例えば、平面視で四角形状であってもよい。
すなわち、各取付部28の上面29を通る仮想線X1は、第1リブ21を有する側から第1リブ21の反対側の外周部34aに向かって立ち下がるように傾斜している(図15参照)。これにより、取付部28の上面29は、第1リブ21を有する側から第1リブ21の反対側の外周部34aに向かって傾斜する傾斜面を形成する(図4参照)。
なお、第2リブ22、第3リブ23は、平面視して略二等辺三角形状に限定されるものではなく、他の形状であってもよい。
すなわち、ステー部15およびハウジング部11の外周面11aとの間を連設して、取付開口6の内周面6bに対向する側面21a等を有するものであれば、リブの形状、数量および材質が特に限定されるものではない。なお、リブは追加により精度を向上させることができるとともに、取付開口6の内周面6bに対向して側面21a等を平行にすることで、さらに精度を向上させることができる。
3 サスペンション装置(サスペンション)
3a 上部
6 取付開口
6a 裏面側
6b 内周面
10 ダンパマウント
11 ハウジング部
11a 外周面
15 ステー部(取付部)
21~23 第1リブ~第3リブ
21a~23a 側面
Claims (8)
- サスペンションの上部を車体側の取付開口に固定するダンパマウントを備え、
前記ダンパマウントは、前記サスペンションの上部に装着される基体と、
前記基体の外周面から突設されて、前記基体が前記取付開口に挿入された状態で該取付開口の周縁部の裏面側に当接して、前記基体を前記取付開口の周縁に取付ける取付部と、
前記取付部および前記基体の外周面との間を連設するリブとを設け、
前記リブは、前記取付開口の内周面に対向する側面を有することを特徴とするダンパマウント取付構造。 - 前記側面を前記基体の中心軸と交差する角度で形成して、前記リブと前記取付部との間の交点部で、該取付部の当接面は、面内外方向に窪む凹部を有することを特徴とする請求項1に記載のダンパマウント取付構造。
- 前記リブは、前記基体の外周面のうち、前記基体の中心軸よりも車幅方向で外側に複数設けられていることを特徴とする請求項1に記載のダンパマウント取付構造。
- 前記リブは、車両前後方向に少なくとも一対設けられていることを特徴とする請求項3記載のダンパマウント取付構造。
- 前記取付部の当接面と、前記取付開口の周縁部の裏面側とは、前記基体の中心軸と交差する同一角度で形成されていることを特徴とする請求項1に記載のダンパマウント取付構造。
- 請求項1に記載のダンパマウント取付構造に用いられるダンパマウントであって、
前記リブは、基体の外周面から複数、前記基体の外周部から半径外方向に向かって膨出すると共に、前記基体の外周部の上部から前記取付部まで延在して、
前記基体と前記取付部との境界部位には、流路形成凹部が設けられ、
前記流路形成凹部は、複数のリブのうち、中央に位置するリブから隣接する左右のリブに至るように連続して設けられていることを特徴とするダンパマウント。 - 請求項6記載のダンパマウントにおいて、
前記各リブと前記取付部との間の交差部位には、窪み部が複数設けられ、
前記流路形成凹部は、複数の窪み部を繋いで設けられていることを特徴とするダンパマウント。 - 請求項7記載のダンパマウントにおいて、
前記取付部の上面を通る仮想線(X1)は、前記基体の軸線(A)に対して角度θだけ傾斜するように設けられ、
前記中央に位置するリブに近接する前記窪み部から前記流路形成凹部の終端部に至る仮想線(X2、X3)は、前記基体の中心を通る水平軸(H)に対して傾斜していることを特徴とするダンパマウント。
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CN201980072497.9A CN112997023B (zh) | 2018-10-30 | 2019-09-19 | 减震器支座安装构造以及减震器支座 |
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- 2019-09-19 US US17/289,482 patent/US11535076B2/en active Active
- 2019-09-19 CN CN201980072497.9A patent/CN112997023B/zh active Active
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US20210387494A1 (en) | 2021-12-16 |
CN112997023B (zh) | 2022-11-01 |
CN112997023A (zh) | 2021-06-18 |
US11535076B2 (en) | 2022-12-27 |
BR112021006536A2 (pt) | 2021-07-06 |
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