JP2015014352A - Strut mount - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a strut mount capable of exerting an attenuation performance in a state that power is input to a specific twisting direction, while securing durability.SOLUTION: A strut mount has an outer cylindrical member 12 mounted on a car body, an inner cylindrical member 14 extended in a vertical direction of the car body, inserted to the outer cylindrical member 12, and provided with a piston rod of a shock absorber at its lower end portion, a flange portion 18A extended to a radial outer side from an upper end side of the inner cylindrical member 14, and opposed to an opening edge of the outer cylindrical member 12, an elastic body 16 connecting an inner peripheral face of the outer cylindrical member 12 and an outer peripheral face of the inner cylindrical member 14 with the flange portion 18A, and a constricted portion 16C constituted by thinning a car body longitudinal side and a car body width direction outer side of the elastic body 16 between the flange portion 18A and the outer cylindrical member 12.

Description

  The present invention relates to a strut mount for mounting a shock absorber to a vehicle body.

  As a strut mount that mounts the shock absorber to the vehicle body, the outer cylinder member that is attached to the vehicle body, the inner cylinder member that is inserted into the outer cylinder member and to which the piston rod of the shock absorber is attached, and the outer cylinder member and the inner cylinder member are connected. There is a strut mount with an elastic body. In this type of strut mount, there is one in which a constricted portion is formed in which the thickness of an elastic body bonded to an inner cylinder member is reduced over the entire circumference (for example, Patent Document 1).

JP 2008-144905 A

  By the way, when a force in the twisting direction is input to the shock absorber, the inner cylinder member is inclined with respect to the outer cylinder member, and the one direction side in the radial direction of the elastic body is compressed and the other direction side is pulled. There is a need for a strut mount that can absorb and absorb axial vibration without sacrificing damage.

  In the strut mount of the cited document 1, since the constricted portion opens as the inner cylinder member tilts, the tensile force acting on the elastic body is reduced and the durability is not impaired. However, if axial vibration is input from the piston rod while the inner cylinder member is tilted, the thin-walled elastic body cannot sufficiently attenuate and absorb vibration, which may reduce ride comfort.

  In view of the above facts, the present invention has an object to provide a strut mount capable of ensuring durability and damping and absorbing vibration in a state where force is input in a specific twisting direction.

  The strut mount according to claim 1 includes an outer cylinder member attached to a vehicle body, an inner cylinder member inserted into the outer cylinder member, extending in a vertical direction of the vehicle body, and having a piston rod of a shock absorber attached to a lower end portion thereof. A flange portion extending radially outward from an upper end portion of the inner cylinder member and facing an opening edge of the outer cylinder member; an inner circumferential surface of the outer cylinder member; an outer circumferential surface of the inner cylinder member; and the flange portion And an elastic body formed between the flange portion and the outer cylinder member, and when the force in the twisting direction is input from the shock absorber to the inner cylinder member And a constricted portion in which the thickness of the elastic body is reduced in two directions in the direction in which the body is compressed and the direction in which the elastic body is pulled.

  According to the strut mount of the first aspect, the outer cylinder member is attached to the vehicle body, and the inner cylinder member inserted through the outer cylinder member extends in the vertical direction of the vehicle body. Also, a piston rod of a shock absorber is attached to the lower end portion of the inner cylinder member, and a flange portion that extends radially outward and faces the opening edge of the outer cylinder member is formed at the upper end portion of the inner cylinder member. . Furthermore, the inner peripheral surface of the outer cylinder member, the outer peripheral surface of the inner cylinder member, and the flange portion are connected by an elastic body.

  Here, the elastic body between the flange portion and the outer cylinder member has a direction in which the elastic body is compressed and a direction in which the elastic body is pulled when a force in a twisting direction is input from the shock absorber to the inner cylinder member. A constricted portion in which the thickness of the elastic body on the two-direction side is reduced is formed. That is, for example, when a force in the twisting direction is input and the inner cylinder member tilts inward in the vehicle body width direction and the elastic body inside the vehicle body width direction is compressed, the constricted portion on the outer side in the vehicle body width direction where the elastic body is pulled opens, The constricted portion on the inner side in the vehicle width direction where the elastic body is compressed closes. As a result, the tensile force and the compressive force acting on the elastic body are reduced in a state where force is input in the twisting direction, and the durability of the strut mount can be ensured.

  On the other hand, the elastic body on the vehicle body front-rear direction side is not formed with a constricted portion and is thick, so that it can attenuate and absorb the input vibration in the axial direction.

  The strut mount according to claim 2 is the strut mount according to claim 1, wherein the constricted portion is formed by reducing the thickness of the elastic body on the inner side in the vehicle body width direction and on the outer side in the vehicle body width direction. ing.

  According to the strut mount of the second aspect, the constricted portion is formed on the inner side in the vehicle width direction and the outer side in the vehicle width direction of the elastic body. As a result, when the inner cylinder member tilts inward in the vehicle body width direction with respect to the outer cylinder member when a force in the twisting direction is input from the shock absorber, as in a vehicle in which the shock absorber is attached obliquely in the vehicle body width direction, As well as ensuring the durability of the strut mount, it can absorb vibrations.

  The strut mount according to claim 3 is the strut mount according to claim 1 or 2, wherein the contour of the constricted portion viewed from the axial direction is drawn with a smooth curve.

  According to the strut mount of the third aspect, it is possible to prevent the tensile force acting on the elastic body from being concentrated at one place.

  The strut mount of Claim 4 is a strut mount of any one of Claims 1-3, Comprising: Among the said elastic bodies between the said outer cylinder member and the said inner cylinder member, a vehicle body A recess is formed in the lower surface of the elastic body on the front side and the rear side of the vehicle body.

  According to the strut mount of the fourth aspect, the recesses are formed in the lower surface of the elastic body on the front side and the rear side of the vehicle body, thereby reducing the rigidity of the elastic body in the vehicle front-rear direction. Thereby, for example, the impact transmitted from the tire to the vehicle body during braking can be reduced. On the other hand, since the concave portion is not formed in the elastic body on the vehicle body width direction side, the elastic body receives the force in the vehicle body width direction (cornering force) that acts on the ground contact surface during cornering, and the cornering can be stabilized.

  Since the present invention has the above-described configuration, it is possible to provide a strut mount that can absorb and absorb vibration while a force is input in a specific twisting direction while ensuring durability.

It is a perspective view which shows the suspension apparatus with which the strut mount which concerns on 1st Embodiment of this invention was attached. It is sectional drawing cut | disconnected along the vehicle body front-back direction which shows the strut mount which concerns on 1st Embodiment of this invention. It is sectional drawing cut | disconnected along the vehicle body width direction which shows the strut mount which concerns on 1st Embodiment of this invention. FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 2 showing a constricted portion according to the first embodiment of the present invention. It is sectional drawing cut | disconnected along the vehicle body width direction which shows the state into which the force of the twisting direction is input into the strut mount which concerns on 1st Embodiment of this invention. It is sectional drawing cut | disconnected in the location similar to FIG. 4 which shows the narrow part which concerns on 2nd Embodiment of this invention.

(First embodiment)
<Configuration of suspension device>
The suspension device 100 to which the strut mount 10 according to the first embodiment of the present invention is attached will be described with reference to the drawings. Note that arrows FR, RE, IN, and OUT in the figure indicate the front, rear, width direction inside, and width direction outside of the vehicle body, respectively. In the following description, the axial direction refers to a direction parallel to the central axis S along the central axis S of the strut mount 10, and the radial direction refers to a direction orthogonal to the axial direction. As shown in FIG. 1, the suspension device 100 includes a shock absorber 102 extending in the vertical direction of the vehicle body, and a coil spring 104 provided on the outer peripheral side of the shock absorber 102.

  The shock absorber 102 includes a cylindrical cylinder portion 102A and a piston rod 102B (see FIG. 2) connected to a piston provided inside the cylinder portion 102A and extending upward from the cylinder portion 102A. 102 is attached to the vehicle body at an angle so that the upper end portion faces the vehicle width direction inside.

  The lower end portion of the shock absorber 102 is connected to the wheel 108 via the lower arm 106 at the cylinder portion 102A. The upper end portion of the shock absorber 102 is connected to the vehicle body (not shown) via the strut mount 10 at the piston rod 102B. Connected to

  An annular support portion 102C projects from the outer peripheral surface of the cylinder portion 102A of the shock absorber 102, and a coil spring 104 is attached to the support portion 102C. The coil spring 104 extends spirally in the axial direction from the support portion 102 </ b> C to the vicinity of the strut mount 10.

  Here, when the impact received by the tire 110 grounded on the road surface is input as an axial force to the cylinder portion 102A of the shock absorber 102 via the lower arm 106, the cylinder portion 102A slides in the axial direction and the coil spring 104 is moved. To absorb the shock. When the coil spring 104 is restored, the periodic movement of the coil spring 104 is attenuated by the relative movement of the piston rod 102B and the cylinder portion 102A. Further, the vibration of the piston rod 102B is attenuated and absorbed by the strut mount 10 to suppress the transmission of the vibration to the vehicle body.

  The suspension device 100 described here is an example of a suspension device provided between a vehicle body and a tire, and other types of suspension devices may be applied.

<Configuration of strut mount 10>
Next, the structure of the strut mount 10 of this embodiment is demonstrated. As shown in FIGS. 2 and 3, the strut mount 10 mainly includes an outer cylinder member 12, an inner cylinder member 14, and an elastic body 16. The outer cylinder member 12 is a metal member formed by pressing a flat plate member, and includes an outer cylinder main body portion 12A provided at the center portion, and a fastening flange 12B extending radially outward from the outer cylinder main body portion 12A. It has.

  A plurality of bolts 112 are inserted into the fastening flange 12B, and the bolts 112 are fastened to the vehicle body to fix the outer cylinder member 12 to the vehicle body. An outer cylinder main body 12A extending in the vertical direction of the vehicle is provided on the radially inner side of the fastening flange 12B.

  The outer cylinder main body portion 12A is a substantially cylindrical body having both axial ends opened, and the lower end portion of the outer cylinder main body portion 12A extends radially outward and further extends axially upward to the inner peripheral edge of the fastening flange 12B. Connected to the department. The upper end portion of the outer cylinder main body 12A extends outward in the radial direction to form an outer cylinder flange 12C and faces an inner cylinder flange 18A described later.

  An inner cylinder member 14 is disposed on the inner peripheral side of the outer cylinder member 12. The inner cylinder member 14 extends in the vertical direction of the vehicle body and is inserted into the outer cylinder member 12, and includes an upper cylinder 18 positioned on the upper side of the inner cylinder member 14 and a lower cylinder 20 positioned on the lower side. Has been.

  The upper cylinder 18 is a bottomed cylindrical metal member, and the upper part is opened. Further, an inner cylinder flange 18A extending radially outward from the opening edge is formed at the upper end portion of the upper cylinder 18 and the lower surface of the inner cylinder flange 18A and the outer cylinder flange 12C of the outer cylinder member 12 are formed. The top surface is facing.

  A lower cylinder 20 is provided below the upper cylinder 18. The lower cylindrical body 20 is a bottomed cylindrical metal member whose lower side is opened, and is composed of a small-diameter cylindrical part 20A provided on the upper side and a large-diameter cylindrical part 20B provided on the lower side. Further, the upper surface of the lower cylinder 20 and the lower surface of the upper cylinder 18 are in surface contact, and the lower cylinder 20 is formed with an insertion hole 20 </ b> C that communicates the bottoms of each other. In the present embodiment, the upper cylindrical body 18 and the lower cylindrical body 20 are engaged by engaging the through-hole 18B of the upper cylindrical body 18 with the engaging protrusion 20D protruding upward from the center of the upper surface of the lower cylindrical body 20. However, the present invention is not limited to this, and the lower surface of the upper cylinder 18 and the upper surface of the lower cylinder 20 may be welded.

  The tip of the piston rod 102B of the shock absorber 102 is inserted through the insertion hole 20C. The distal end portion of the piston rod 102B is a male screw portion 102 having a smaller diameter than the piston rod 102B. A nut 114 is screwed into the male screw portion 102 to fix the piston rod 102B to the inner cylinder member 14.

  A dust cover may be provided on the outer peripheral side of the shock absorber 102. By covering the piston rod 102B to the cylinder portion 102A with the dust cover, it is possible to prevent foreign matter from entering the shock absorber 102.

  Moreover, you may provide the cylindrical stopper which has elasticity in the outer peripheral side of piston rod 102B. When one end portion of the stopper is attached to the inner peripheral wall of the small-diameter cylindrical portion 20A of the lower cylindrical body 20, when vibration is input to the shock absorber 102, the cylinder portion 102A slides in the axial direction to contact the stopper and press the stopper. The cylinder portion 102A can be stopped at a predetermined position by being elastically deformed. Thereby, the displacement can be limited without giving an impact to the shock absorber 102.

  An elastic body 16 is provided between the outer cylinder member 12 and the inner cylinder member 14. The elastic body 16 is formed of an elastomer or the like, and is vulcanized and bonded to the inner peripheral surface of the outer cylinder main body 12A constituting the outer cylinder member 12 and the outer peripheral surface of the upper cylindrical body 18, and these are connected so as to be elastically deformable. doing.

  As shown in FIG. 2, of the elastic body 16 between the outer cylinder member 12 and the inner cylinder member 14, a recess 16A is formed on the lower surface of the elastic body 16 on the vehicle body front side and vehicle body rear side. Each of the recesses 16A is linearly formed from the height of the central portion in the axial direction of the outer cylinder main body 12A to the vicinity of the opening of the outer cylinder main body 12A. Further, as shown in FIG. 3, the recess 16 </ b> A is not formed in the elastic body 16 between the inner peripheral surface of the outer cylinder main body 12 </ b> A and the outer peripheral surface of the upper cylinder 18 on the vehicle body width direction side.

  A thin extending portion 16B extending downward from the elastic body 16 is vulcanized and bonded to the outer cylinder main body portion 12A over the entire circumference below the axially central portion of the outer cylinder main body portion 12A. The extending portion 16B extends to the lower surface of the outer cylinder main body portion 12A along the inner peripheral surface of the outer cylinder main body portion 12A, and faces the large diameter cylindrical portion 20B of the lower cylinder body 20.

  An elastic body 16 is also provided between the outer cylinder flange 12C of the outer cylinder main body 12A and the inner cylinder flange 18A of the upper cylinder 18, and the upper surface of the outer cylinder flange 12C and the lower surface of the inner cylinder flange 18A are elastically elastic. It is connected so that it can be deformed. Here, the elastic body 16 between the outer cylinder flange 12C and the inner cylinder flange 18A is formed with a constricted portion 16C in which the thickness of the elastic body 16 is reduced.

  As shown in FIG. 4, the constricted portion 16C is formed by reducing the thickness of the elastic body 16 on the inner side in the vehicle body width direction and the elastic body 16 on the outer side in the vehicle body width direction, and the thickness of the elastic body 16 in the constricted portion 16C. The thickness is the same. That is, in this embodiment, the thickness of the elastic body 16 in two directions, that is, the direction in which the elastic body 16 is compressed and the direction in which the elastic body 16 is pulled when a force in the twisting direction is input is reduced. The elastic body 16 on the vehicle body front-rear direction side is a thick portion 16D that extends to the vicinity of the outer peripheral edge of the outer cylinder flange 12C.

  The front side of the vehicle here refers to a region on the right side in the drawing among regions divided by straight lines T and U passing through the central axis S of the strut mount 10 and drawn at an angle of ± 45 with respect to the vehicle body width direction. The front side of the vehicle body refers to a region on the left side in the figure among regions separated by straight lines T and U. Further, the inner side in the vehicle body width direction refers to the upper region in the figure among the regions delimited by the straight lines T and U, and the outer side in the vehicle body width direction refers to the region in the figure among the regions delimited by the straight lines T and U. Refers to the lower area.

  Here, the constricted portion 16C is formed in a thin shape with a substantially arc shape along the outer peripheral surface of the upper cylindrical body 18, and the outline of the constricted portion 16C viewed from the axial direction is drawn with a smooth curve having no corners. . The thick portion 16D is formed so as to protrude toward the outer peripheral edge of the outer cylinder flange 12C, and is formed in a rhombus shape with rounded corners as a whole.

  As shown in FIG. 2, the thick portion 16 </ b> D has a shape that is slightly recessed radially inward. For this reason, although it is easy to elastically deform, it is not restricted to this, You may form the thickness of the elastic body 16 between the outer cylinder flange 12C and the inner cylinder flange 18A in the vehicle body front-back direction side uniformly.

<Action>
Next, the operation of the strut mount 10 of this embodiment will be described. When the vehicle to which the suspension device 100 shown in FIG. 1 is attached is traveling on the road surface, vibration from the road surface is input to the shock absorber 102 via the tire 110.

  The vibration input to the shock absorber 102 is transmitted from the piston rod 102B to the inner cylinder member 14. At this time, if the vibration from the piston rod 102B is minute, the inner cylinder member 14 is displaced and elastically deforms the elastic body 16, whereby the vibration is attenuated and absorbed (see FIG. 2).

  Next, when the vehicle rides on the curb or when the road surface is extremely undulated, an excessive axial force is input to the shock absorber 102. In this case, the coil spring 104 contracts to absorb the impact. Further, an axial force acts on the inner cylinder member 14 from the piston rod 102B to push up the inner cylinder member 14 in the axial direction.

  Here, when the displacement amount of the inner cylinder member 14 is large, the large-diameter cylinder portion 20 </ b> B of the lower cylinder body 20 contacts the lower surface of the outer cylinder member 12 to limit the displacement. At this time, as shown in FIG. 2, since the extending portion 16 </ b> B is provided on the lower surface of the outer cylinder member 12, it is possible to suppress the generation of abnormal noise that the metals collide with each other. When the inner cylinder member 14 is greatly displaced downward in the axial direction, the inner cylinder flange 18A comes into contact with the outer cylinder flange 12C to limit the displacement. At this time, the generation of abnormal noise can be suppressed by the elastic body 16 provided between the inner cylinder flange 18A and the outer cylinder flange 12C.

  Furthermore, since the recess 16A is formed in the lower surface of the elastic body 16 on the vehicle body front-rear direction side, the rigidity of the elastic body 16 in the vehicle body front-rear direction can be reduced. Thereby, for example, when braking is performed, the inner cylinder member 14 is displaced to the front side of the vehicle body, and the elastic body 16 is elastically deformed, so that the impact applied to the vehicle body can be reduced.

  On the other hand, the recess 16A is not formed on the lower surface of the elastic body 16 between the outer cylinder main body 12A and the upper cylinder 18 on the vehicle body width direction side, and the rigidity of the elastic body 16 is ensured. Thus, the cornering can be stabilized by receiving the cornering force that acts on the ground contact surface when the elastic body 16 on the vehicle body width direction side is cornered.

  Here, as shown in FIG. 1, in a vehicle in which the shock absorber 102 is attached obliquely with respect to the vehicle body so that the upper end portion of the shock absorber 102 faces inward in the vehicle body radial direction, , The shock absorber 102 enters the vehicle body width direction inside, and as shown in FIG. 5, the force in the direction of the arrow A is input from the piston rod 102B to the inner cylinder member 14, and the inner cylinder member 14 is Tilt inward in the vehicle width direction with respect to the outer cylinder member 12.

  As a result, the inner cylinder flange 18A on the outer side in the vehicle body width direction is displaced away from the outer cylinder flange 12C, and a tensile force is applied to the elastic body 16 that connects the inner cylinder flange 18A on the outer side in the vehicle width direction and the outer cylinder flange 12C. Works. At this time, since the constricted portion 16C formed on the elastic body 16 on the outer side in the vehicle body width direction is opened, the tensile force acting on the elastic body 16 can be reduced. Further, since the constricted portion 16C on the inner side in the vehicle body width direction is only closed, the compressive force acting on the elastic body 16 can be reduced. Furthermore, since the outline of the constricted portion 16C is drawn with a smooth curve, it is possible to suppress the concentration of the tensile force at one place.

  On the other hand, the longitudinal direction of the vehicle body is the thick portion 16D, and the elastic body 16 is not constricted, so that the axial vibration input from the shock absorber 100 can be attenuated and absorbed while the inner cylinder member 14 is tilted.

  Further, when an excessive force is input in the direction of the twisting of the arrow A, the inner cylinder flange 18A on the inner side in the vehicle body width direction comes into contact with the outer cylinder flange 12C to limit the displacement of the inner cylinder member 14 and It can suppress that the above tensile force acts. Further, when the interval between the large-diameter cylinder portion 20B and the outer cylinder main body portion 12A of the lower cylinder 20 is narrower than the interval between the inner cylinder flange 18A and the outer cylinder flange 12C, the lower cylinder 20 The large-diameter cylindrical portion 20B is in contact with the outer cylindrical main body portion 12A and restricts the displacement of the inner cylindrical member 14, so that it is possible to suppress a predetermined or higher tensile force from acting on the elastic body 16.

  In the present embodiment, the inner cylinder member 14 and the outer cylinder member 12 are formed in a cylindrical shape, but are not limited thereto, and may be a rectangular or polygonal cylindrical body as viewed from above. Further, the upper cylinder 18 and the lower cylinder 20 constituting the inner cylinder member 14 may be integrally formed.

  Further, as a means for limiting the displacement of the inner cylinder member 14, the method of bringing the inner cylinder flange 18A and the outer cylinder flange 12C into contact with each other and the method of bringing the lower cylinder body 20 into contact with the lower surface of the outer cylinder member 12 have been described. However, the displacement of the inner cylinder member 14 may be limited by other means.

(Second Embodiment)
Next, the strut mount 50 according to the second embodiment of the present invention will be described. In addition, the same code | symbol is attached | subjected about the structure similar to 1st Embodiment, and description is abbreviate | omitted. The strut mount 50 of the present embodiment is obtained by changing the shape of the elastic body 16 constituting the strut mount 10 of the first embodiment. As shown in FIG. 6, the elastic body 52 of the strut mount 50 of the present embodiment. A constricted portion 52A is formed in the case.

  The narrowed portion 52A is formed by reducing the thickness of the elastic body 52 on the inner side in the vehicle body width direction and the elastic body 52 on the outer side in the vehicle body width direction, and the elastic body 52 on the vehicle body front-rear direction side is a thick portion 52B. ing. Further, the thickness of the elastic body 52 on the inner side in the vehicle body width direction and the thickness of the elastic body 52 on the outer side in the vehicle body width direction are the same, and the thickness of the elastic body 52 on the vehicle body front side and the elastic body on the vehicle body rear side are the same. The thickness of 52 is the same thickness.

  Here, the thick part 52B is formed in a substantially arc shape along the outer peripheral edge of the outer cylinder flange 12C, and has a larger cross-sectional area than the thick part 16D of the first embodiment. Thereby, compared with 1st Embodiment, the spring property of the elastic body 16 is improved, and even if the inner cylinder member 14 inclines in the vehicle body width direction inside with respect to the outer cylinder member 12, it can attenuate and absorb vibration efficiently. .

  The first and second embodiments of the present invention have been described above, but the present invention is not limited to such embodiments, and can be implemented in various modes without departing from the spirit of the present invention. Of course. For example, the thickness of the constricted portion 16C on the inner side in the vehicle width direction of FIG. 4 and the thickness of the constricted portion 16C on the outer side in the vehicle width direction may be formed with different thicknesses.

DESCRIPTION OF SYMBOLS 10 Strut mount 12 Outer cylinder member 12C Outer cylinder flange 14 Inner cylinder member 16 Elastic body 16A Concave part 16C Constriction part 18A Inner cylinder flange (flange part)
50 Strut Mount 52 Elastic Body 52A Constricted Part 100 Suspension Device 102 Shock Absorber 102A Cylinder Part 102B Piston Rod 102C Support Part

Claims (4)

An outer cylinder member attached to the vehicle body;
An inner cylinder member that is inserted into the outer cylinder member and extends in the vertical direction of the vehicle body, and a piston rod of a shock absorber is attached to a lower end portion;
A flange portion extending radially outward from the upper end of the inner cylinder member and facing the opening edge of the outer cylinder member;
An elastic body connecting the inner peripheral surface of the outer cylindrical member, the outer peripheral surface of the inner cylindrical member and the flange portion;
The elastic body is formed between the flange portion and the outer cylindrical member, and the elastic body is compressed when a force in a twisting direction is input from the shock absorber to the inner cylindrical member. A constricted portion in which the thickness of the elastic body on the two directions side in the direction in which the elastic body is pulled is reduced;
Strut mount with.   The strut mount according to claim 1, wherein the constricted portion is formed by reducing the thickness of the elastic body on the inner side in the vehicle body width direction and on the outer side in the vehicle body width direction.   The strut mount according to claim 1 or 2, wherein an outline of the constricted portion viewed from an axial direction is drawn with a smooth curve.   The recessed part is formed in the lower surface of the said elastic body of the vehicle body front side and vehicle body rear side among the said elastic bodies between the said outer cylinder member and the said inner cylinder member, The any one of Claims 1-3 The strut mount described in 1.

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