JP2003262245A - Spring seat rubber - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve such a problem that there is a fear that a spring seat rubber located between a coil shape spring and a car body side member in a suspension device of an automobile comes off from the car body side member after assembling. <P>SOLUTION: The spring seat rubber 12 has a composite structure composed of a rubber elastic body 28 and a core body 30 made of rigid resin, and has a cylindrical guide part 26 for fitting and guiding the spring, and has a flange shape seating part 24 for seating the upper end of the spring. The spring seat rubber 12 is provided with three inward engaging pawls 50 located at three circumferential positions on the inner peripheral surface of the upper end of the spring seat rubber 12. The spring seat rubber 12 is mounted on the car body side by engaging the engaging pawls 50 with mating outward engaging pawls 22 provided on a pawl fitting 10 of the car body side. The engaging pawls 50 are integrated with the core body 30 using rigid resin. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spring seat rubber which is interposed between a coil-shaped spring and a vehicle body side member in a vehicle suspension device and absorbs an input vibration applied through the spring by elastic deformation.

[0002]

BACKGROUND OF THE INVENTION In an automobile, a spring seat rubber is interposed between a coiled spring in a suspension device and a member on the vehicle body side, and input vibration applied through the spring is absorbed by elastic deformation of the spring seat rubber. Vibration transmission to the side is suppressed or prevented.

As this kind of spring seat rubber, it has a tubular guide portion for inserting and guiding the spring and a flange-shaped seat portion for seating the upper end of the spring, and as a whole, a rubber elastic body and a rigid resin or metal. A composite structure having a core body composed of is conventionally known.

FIG. 8 shows a conventional example of this type of spring seat rubber (Japanese Patent Laid-Open No. 11-28081).
0). In FIG. 8, reference numeral 200 denotes a metal mounting member as a vehicle body side member, which is fixed to the vehicle body by a bolt 202 and a nut 204. In this mounting member 200, an engaged portion 206 that is curved upward along the outer peripheral portion is continuously provided in an annular shape over the entire circumference.

Reference numeral 208 denotes a spring seat rubber, which is a seat portion 21 for seating the upper end of the spring 210.
2 and a cylindrical guide portion 214 that fits and guides the spring 210. Here, the spring seat rubber 208 has a composite structure of a rubber elastic body 216 and a metal core body 218. That is, the rubber elastic body 216 and the core body 218 are integrally fixed by vulcanization adhesion.

The core body 218 has an annular flange portion 219 projecting outward at the upper end thereof.
The upper end portion including 19 is embedded in the rubber elastic body 216, and the outer peripheral end surface and the upper surface of the flange portion 219 and the inner peripheral surface of the upper end portion of the tubular portion 215 of the core body 218 have the rubber elastic body 216. Is covered with a rubber coating 220 that forms a part of

The rubber elastic body 216 is formed with a stepped engagement portion 222 in an annular shape which is continuous in the circumferential direction on the inner peripheral surface, and the engaged portion 206 of the mounting member 200 at the engagement portion 222. To be engaged with.

In the case of the spring seat rubber 208, when the spring seat rubber 208 is pushed upward from below, the engaged portion 206 of the metal mounting member 200 causes the rubber elastic body 216 of the spring seat rubber 208, more specifically, the inner peripheral portion thereof. It is elastically deformed to ride over the stepped engaging portion 222 downward, and the engaged portion 206 and the engaging portion 222 of the rubber elastic body 216 are engaged over substantially the entire circumference at the overriding position. So, here is the spring seat rubber 208
Is supported by the mounting member 200. That is, the spring seat rubber 208 is assembled to the vehicle body via the mounting member 200. After that, the spring 210 is assembled to the vehicle body, and the upper end of the spring 210 is seated on the seat 212 of the spring seat rubber 208.

On the other hand, FIG. 9 shows an example (comparative example of the present invention) of a spring seat rubber assembled to a vehicle body by another method. In the case of this spring seat rubber 224, the core body 218 is rigid. The rubber elastic body 216 is entirely embedded in the rubber elastic body 216.

In this example, in the spring seat rubber 224, a plurality of (here, three) rubber elastic bodies are provided on the inner peripheral surface of the upper end portion thereof with inwardly protruding rubber engaging claws 226 at predetermined intervals along the circumferential direction. 216 is integrally provided. On the other hand, the metal claw metal fitting 228 as the vehicle body side member is provided with a number of engaged claws 230 corresponding to the engaging claws 226 in a state of protruding outward. The inward engaging claws 226 of the spring seat rubber 224 are supported.

Here, each engaging claw 226 is integrally provided with a stopper 232 made of rubber which comes into contact with the engaged claw 230 in the rotational direction as shown in (B), that is, the stopper 232. Together with the engaging claw 226, the rubber elastic body 21
6, the stopper 232 is brought into contact with the engaged claw 230 so that the final assembly position in the rotational direction of the spring seat rubber 224 with respect to the claw fitting 228 is defined.

The spring seat rubber 2 shown in FIG.
In the case of 24, each inward engaging claw 226 is replaced with a claw metal fitting 228.
In the state where it is located between the engaged claws 230 and 230 in FIG.
When 26 is positioned above the engaged claws 230 and the whole is rotated, the inward engaging claws 226 are overlapped with the upper surfaces of the outward engaging claws 230. And the spring seat rubber 224 is supported by the claws 228. That is, the spring seat rubber 224 is assembled to the vehicle body by the claw fitting 228.

During the rotation operation, the rubber stopper 2 is integrally provided on the rubber elastic body 216 together with the engaging claw 226.
When 32 comes into contact with the engaged pawl 230, the final mounting position of the spring seat rubber 224 in the rotational direction is defined.

[0014]

In the case of the spring seat rubber shown in FIG. 8, the stepped engaging portion 222 of the spring seat rubber 208 in the assembled state has the mounting member 200.
There is a risk that it will come off from the engaged portion 206 of the mounting member 20.
There is a problem in the stability of the support of the spring seat rubber 208 by 0, that is, in the assembling stability.

On the other hand, in the case of the spring seat rubber 224 shown in FIG. 9, the inward engaging claw 226 made of rubber is largely projected to allow the engaged claw 23 in the claw fitting 228.
It is possible to take a large overlap with 0, and it is superior to the spring seat rubber 208 shown in FIG. 8 in the stability of the support by the claw metal fitting 228 in the assembled state, that is, the stability of the assembly of the spring seat rubber 224. .

However, also in the spring seat rubber 224 shown in FIG. 9, since the entire portion supported by the claw fitting 228 is rubber, that is, the spring seat rubber 224 is supported by the engaging claw 226 which is entirely made of rubber. Therefore, when some external force is applied, the rubber engaging claw 226 is elastically deformed and the claw fitting 2
There is a problem that the spring seat rubber 224 may come off from 28 and fall off.

The spring seat rubber 2 shown in FIG.
In the case of No. 24, although the rotation amount at the time of assembly can be regulated by the stopper 232, that is, the final assembly position in the rotation direction can be regulated, since the stopper 232 is made of rubber, it was rotated. Sometimes stopper 232
Has a problem that it is hard to understand the final assembly position by touch when an operator rotates the spring seat rubber 224 and assembles it because it softly hits the engaged claw 230 made of metal with elastic deformation. Was.

[0018]

The spring seat rubber of the present invention has been devised to solve such a problem. Thus, the first aspect of the present invention is a member which is interposed between a coil-shaped spring and a vehicle body-side member in an automobile suspension device and which absorbs an input vibration applied through the spring by elastic deformation. A composite structure of a body and a core body made of a rigid resin or metal is formed, and has a tubular guide portion into which the spring is fitted and guided, and a flange-shaped seat portion for seating the upper end of the spring. In addition, the inner peripheral side of the upper end has engaging claws projecting inward at a plurality of circumferential positions, and the engaging claws are provided on the vehicle body side member by a rotating operation. On the other hand, in the spring seat rubber which is assembled on the vehicle body side by engaging the engaged claws so as to overlap with the upper surface thereof, the engaging claws are integrally formed on the core body with a rigid resin or metal. Characterized in that there.

According to a second aspect of the present invention, in the first aspect, at least the upper and lower surfaces of the engaging claw are covered with a rubber coating.

According to a third aspect of the present invention, in any one of the first and second aspects, the engaging claws are brought into contact with the engaged claws in the rotational direction so that the spring seat rubber is attached in the rotational direction. It is characterized in that a prescribed stopper is provided and the stopper is integrally provided with the core body by using a rigid resin or metal.

According to a fourth aspect of the present invention, in the third aspect, at least the surface of the stopper, which is in contact with the engaged claw, is covered with a rubber coating.

According to a fifth aspect of the present invention, in the second aspect, the core body has an outward flange portion in the seat portion, and the upper surface of the flange portion is covered with a rubber coating.
And the upper surface of the flange portion and the rubber coating of the engaging claw are
It is characterized in that it is not adhered to the flange portion and the engaging claws.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects, the core has a cylindrical portion having a straight shape in the axial direction, and the cylindrical portion defines an inner peripheral portion of the spring seat rubber. It is characterized in that the inner peripheral surface of the cylindrical portion is exposed from the rubber elastic body.

[0024]

As described above, according to the present invention, the engaging claws that project inwardly on the inner peripheral side of the upper end portion are provided at a plurality of circumferential positions, and the corresponding engaged claws provided on the vehicle body side member are provided. On the other hand, in a spring seat rubber in which the engaging claws are engaged by a rotating operation to be assembled on the vehicle body side, the engaging claws are integrally provided on the core body with a rigid resin or metal.

In the spring seat rubber of the present invention, since the engaging claws are made of rigid resin or metal, the supporting force of the engaging claws by the engaged claws on the vehicle body side member, that is, the spring seat. The supporting force of the rubber can be made high, and the spring seat rubber 2 shown in FIG.
It is possible to solve the problem that the spring seat rubber 224 may fall off due to the elastic deformation of the engaging claw 226 as shown in FIG. That is, according to the spring seat rubber of the present invention, the spring seat rubber can be stably and reliably maintained in the assembled state on the vehicle body side until the spring of the suspension device is assembled.

In the present invention, at least the upper and lower surfaces of the engaging claw can be covered with a rubber coating (claim 2). By doing so, the rigid engaging claw and the engaged claw of the vehicle body side mounting member can be brought into contact with each other via the rubber coating, and the rigid engaging claw and the engaged claw are It is possible to avoid the problem that abnormal noise is generated by directly hitting.

Next, when the spring seat rubber is mounted on the vehicle body side member, the stopper for defining the mounting position in the rotational direction is integrally provided with the core body by rigid resin or metal. , By doing so, when the spring seat rubber is rotationally mounted on the vehicle body side mounting member and is assembled, suddenly strong rotation is prevented when the rigid stopper hits the engaged claw of the vehicle body side mounting member. Since the force works, the assembly worker can feel the blocking force strongly by touch, and can clearly know by touch that the spring seat rubber has reached the final rotation assembly position. And the reliability of assembly is improved.

In this case, at least the surface of the stopper on the contact side with the engaged claw can be covered with a rubber coating (claim 4). By interposing such a rubber coating, it is possible to avoid the problem that the stopper and the engaged claw are directly contacted with each other, thereby causing abnormal noise.

Next, in the fifth aspect, the upper surface of the outward flange of the core body in the seating portion is covered with a rubber coating,
Moreover, the rubber coating on the upper surface of the flange portion and the rubber coating on the engaging claws are not adhered to the flange portion and the engaging claws.

For example, in the case of the spring seat rubber 224 shown in FIG. 9, the flange portion 219 is inserted through the engaging claw 226.
Since the upward peeling force acts on the rubber coating on the upper surface, it is necessary to bond the rubber coating on the upper surface of the flange portion 219 in advance. On the other hand, according to the present invention, the inward engaging claw is integrally provided on the core body, and the core body receives the supporting force of the engaged claw of the vehicle body side member. When the upper surface is covered with the rubber coating, upward peeling force does not act on the rubber coating, so that the rubber coating can be left unbonded to the upper surface of the flange portion.

Thus, by making the upper surface of the flange portion and the rubber coating thereof, and the engaging claws and the rubber coating thereof, non-adhesive as described above, it is possible to simplify the application process of the adhesive to the core body. The manufacturing cost of the spring seat rubber can be reduced.

According to a sixth aspect of the present invention, the core body has a cylindrical portion having a straight shape in the axial direction, and the cylindrical portion constitutes an inner peripheral portion of the spring seat rubber, and The peripheral surface is exposed from the rubber elastic body, and in this case, it becomes possible to omit the application process of the adhesive to the inner peripheral surface of the core body. If the coating process of the adhesive on the inner peripheral surface of the core body can be omitted, the manufacturing process of the spring seat rubber can be further simplified and the manufacturing cost thereof can be further reduced.

However, if desired, the inner peripheral surface of the core body may be coated with an adhesive (to prevent the core body itself from being directly exposed to the outside), or the inside of the core body. It is also possible to cover the peripheral surface with a rubber coating.

[0034]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows a spring seat rubber in a rear suspension device of an automobile assembled with a spring, and FIG. 2 shows the spring seat rubber in a state before the spring is assembled.

First, in FIG. 1, 10 is a metal fitting as a mounting member on the vehicle body, 12 is a spring seat rubber assembled to the metal fitting 10, and 14 is a coiled spring in the suspension device.

As shown in FIGS. 4 and 5, the claw fitting 10 has a disc-shaped fixing portion 16 and is fixed to the vehicle body by a fixing tool such as a bolt 18 at the fixing portion 16. It is like this. A plurality of (in this case, three) falling portions 20 are provided on the outer peripheral portion of the fixed portion 16 at predetermined intervals in the circumferential direction, and outwardly engaged with the lower ends of the respective falling portions 20. The mating claw 22 is provided in a protruding shape.

On the other hand, the spring seat rubber 12 is shown in FIG.
Further, as shown in FIG. 5, it has a seat portion 24 on which the upper end of the spring 14 is attached and seated, and a guide portion 26 which is a fitting guide of the spring 14. The spring seat rubber 12 also has a composite structure of a rubber elastic body 28 and a core body 30 made of a rigid resin. Here, polyamide 66 (nylon 66), nylon 66 reinforced by containing glass fiber, or the like can be preferably used as the rigid resin forming the core body 30.

The core body 30 has a cylindrical portion 32 having a straight shape in the axial direction, and the cylindrical portion 32 constitutes an inner peripheral portion of the spring seat rubber 12. Here, the cylindrical portion 32 is provided with its inner peripheral surface exposed from the rubber elastic body 28.

The core body 30 also has an outward flange portion 34 at the upper end of the cylindrical portion 32, and the flange portion 34 is embedded inside the rubber elastic body 28 near the upper end portion of the seating portion 24. ing. That is, the flange portion 34
Is covered with a thin rubber coating 36 which forms a part of the rubber elastic body 28. In the rubber elastic body 28, the upper portion of the flange portion 34, that is, the rubber coating 36 and the lower portion of the flange portion 34 are vertically connected to each other in a through hole 38 formed in the flange portion 34.

The rubber elastic body 28 has an annular outward flange portion 40 and a taper portion 42 having an outer peripheral surface that is tapered and encloses the cylindrical portion 32 of the core body 30 from the outer peripheral side. Except for the above, substantially the entire body is integrally fixed to the core body 30 by vulcanization adhesion.

Here, a large number of notches 44 are formed on the upper surface of the flange portion 40 at a predetermined pitch in the circumferential direction (see FIGS. 3 and 4), and correspondingly, the flange portion of the core body 30. 34 is notched in a corresponding shape at the position of the notch 44. That is, also in the flange portion 34 of the core body 30, a large number of notches 46 are formed at a predetermined pitch in the circumferential direction. The rubber elastic body 28 also has
A large number of notches 48 are formed at predetermined intervals both on the taper portion 42, that is, on the lower side of the flange portion 40 (see FIG. 4).

The core body 30 is integrally formed with an inward annular flange portion 49 on the inner peripheral side of the upper end of the cylindrical portion 32, and a plurality of (in this case, 3 The individual inward engaging claws 50 are integrally formed on the core body 30 at equal intervals along the circumferential direction. These engaging claws 50 are the engaged claws 2 of the claw fitting 10.
2 to engage the spring seat rubber 12 with the hook metal fitting 10
It is a part to be attached to the vehicle body side via.

As shown in FIG. 3, these engaging claws 5
The rigid stoppers 52 made of a resin, which stand down in the axial direction, are integrally formed at the respective circumferential ends of 0. That is, the stopper 52 is formed integrally with the core body 30. These stoppers 52 are for defining the final assembly position in the rotation direction when the spring seat rubber 12 is rotationally assembled to the metal fitting 10 and assembled. In this example, the upper surface and the lower surface of each of these three engaging claws 50, and further the inner peripheral end surface are covered with a rubber coating 54 forming a part of the rubber elastic body 28.

Furthermore, as shown in FIG. 3, the surface of the stopper 52 on the side of the engaging claw 50, that is, the surface of the side abutting the engaged claw 22 is covered with a rubber coating 56. The surface of the stopper 52 on the side opposite to the contact side with the engaged claw 22 may be covered with a rubber coating.

In this embodiment, the upper surface of the flange portion 34 of the core body 30 and its rubber coating 36, the inward engaging claw 50 and its rubber coating 54, and the stopper 52 and its rubber coating 56 are respectively arranged. It is not adhered.

In the case of the spring seat rubber 12 of this example, it can be assembled to the claw fitting 10 as follows. That is, as shown in FIG. 5, the spring seat rubber 12 is first positioned below the pawl metal fitting 10. At this time, as shown in FIGS. 6 (I) and 7 (I), each of the inward engaging claws 50 of the spring seat rubber 12 is located between the engaged claws 22 and 22 of the claw fitting 10. Be located at.

In this state, the spring seat rubber 12 is pushed upward, and each inward engaging claw 50 is positioned above the engaged claw 22 of the claw fitting 10. FIG. 6 (II) shows the state at this time.

In this state, as shown in FIGS. 6 (II) and 7 (I), the spring seat rubber 12 is shown until the stopper 52 provided on each engaging claw 50 contacts the engaged claw 22. Rotate in the direction of the middle arrow. Here, each of the inward engaging claws 50 is shown in FIGS. 6 (III) and 7 (I).
As shown in I), it is in a state of being overlapped with the upper surface of the outwardly engaged claws 22 of the claw fitting 10, and the engagement claws 50 and the engaged claws 22 being vertically engaged. Become.
Here, the spring seat rubber 12 is the claw metal fitting 10.
Will be in a state of being supported by. That is, the spring seat rubber 12 is assembled to the vehicle body by the claw fitting 10.

After that, by assembling the spring 14 in the suspension device, the spring seat rubber 12 is placed between the spring 14 and the vehicle body. FIG. 1 shows the state at this time.

In the spring seat rubber 12 of the present embodiment as described above, since the inward engaging claws 50 made of a rigid resin are supported by the engaged claws 22 of the claw metal fitting 10, the support thereof is supported. You can make the force high supportive force,
Until the spring 14 in the suspension device is assembled, there is no risk that the spring seat rubber 12 will fall out of the assembly position due to some external force, and the spring seat rubber 12 can be stably and reliably maintained in the assembled state on the vehicle body side. can do.

Further, in this embodiment, since the upper and lower surfaces of the engaging claw 50 and the inner peripheral end surface are covered with the rubber coating 54, the rigid engaging claw 50 and the claw metal fitting 10 on the vehicle body side are covered with the rubber coating 54. Can be brought into elastic contact with the engaging claws 50.
It is possible to avoid the problem that abnormal noise occurs due to the direct contact between the claw metal fitting 10 and the claw fitting 10.

Furthermore, in this example, when the spring seat rubber 12 is rotated and assembled, the stopper 52 which defines the final assembly position in the rotation direction is made of a rigid resin and is made of a rigid resin.
Spring seat rubber 1 because it is integrated with 0
When the rigid stopper 52 hits the engaged claws 22 when the rotary operation is performed to assemble 2, the rotation worker suddenly exerts a strong rotation blocking force, which allows the assembling operator to strongly feel the blocking force. Done, spring seat rubber 1
It can be clearly felt by touch that 2 has reached the final rotary assembly position. As a result, the assembling workability is improved, and the assembling reliability is increased.

Furthermore, since the surface of the stopper 52 on the abutting side is covered with the rubber coating 56, the problem that the stopper 52 and the engaged claw 22 directly contact with each other to cause abnormal noise there is also prevented. be able to.

In this example, the upper surface of the flange portion 34 and its rubber coating 36, the engaging claw 50 and its rubber coating 54, and the stopper 52 and its rubber coating 56 are not adhered. Therefore, in this example, when the core body 30 and the rubber elastic body 28 are vulcanized and bonded, the adhesive treatment is applied only to the outer surface of the core body 30 as a pre-treatment. It suffices to do so, and it is possible to omit the adhesive coating process for the other portions.

For this reason, the number of steps required to apply the adhesive to the core body 30 can be reduced and simplified, and the amount of the required adhesive used is also reduced, so that the manufacturing cost of the spring seat rubber 12 is reduced. Can be cheap.

On the other hand, in the present example, it is the inward engaging claws 50 provided integrally with the core body 30 that receive the supporting force of the outwardly engaged claws 22 of the claw metal fitting 10. No peeling force acts on the rubber coatings 36, 54, 56. Therefore, even if the rubber coatings 36, 54, 56 are not adhered, there is no particular concern that they will be separated from the flange portion 34, the inward engaging claws 50, and the stopper 52.

In this example, the cylindrical portion 32 of the core body 30 constitutes the inner peripheral portion of the spring seat rubber 12, and the inner peripheral surface of the cylindrical portion 32 is exposed from the rubber elastic body 28. Therefore, as compared with the spring seat rubber 224 as a comparative example shown in FIG. 9, since it is not necessary to provide a layer of a rubber elastic body on the inner peripheral portion of the cylindrical portion 30, it is possible to reduce the amount of rubber material required. The cost of the spring seat rubber 12 can be reduced thereby. In this example, the amount of resin used is increased by the amount of the inward engaging claws 50 provided on the core body 30, but this has almost no effect on cost.

Further, in this example, since the seat portion 24 is provided with the plurality of notches 44 at the predetermined pitch in the circumferential direction, the spring constant of the seat portion 24 can be softened by the notches 44, and the input vibration is excellent. Can be absorbed into.

The cutout portion 44 can be formed on the lower surface side of the flange portion 40. However, in such a case, the upper end of the spring 14 is notched 44.
There is a problem that it gets into the inside of the room and rubs against it to generate abnormal noise. However, in this example, since the cutout portion 44 is formed on the upper surface side of the flange portion 40, such inconvenience does not occur.

Although the embodiment of the present invention has been described in detail above, this is merely an example. For example, in the above example, the inward engaging claw 5
0 and the engaged claws 22 corresponding thereto are provided at three locations in the circumferential direction, but may be provided at four locations or more locations in some cases. Others The present invention can be configured in a form in which various changes are made without departing from the spirit of the invention.

[Brief description of drawings]

FIG. 1 is a view showing a state in which a spring seat rubber according to an embodiment of the present invention is assembled with a spring.

FIG. 2 is a view showing a spring seat rubber of the embodiment in an assembled state before a spring is assembled.

FIG. 3 is a sectional view taken along the line AA in FIG.

FIG. 4 is a perspective view showing the spring seat rubber of the embodiment from the upper surface side and the lower surface side.

FIG. 5 is a view showing the spring seat rubber of the same embodiment together with a claw fitting in a state before assembly.

FIG. 6 is a view showing a main part of an assembling process of the spring seat rubber of the embodiment.

FIG. 7 is a bottom view showing the main part of the assembly process of the spring seat rubber of the embodiment.

FIG. 8 is a view showing a conventional spring seat rubber together with its assembly structure.

FIG. 9 is a comparative example diagram showing, as a comparative example, an example of a spring seat rubber different from FIG. 8 and its assembly structure.

[Explanation of symbols]

12 Spring seat rubber 14 spring 22 Engaged claw 24 Seat 26 Guide 28 Rubber elastic body 30 core 32 Cylindrical part 34 Flange 36, 54, 56 rubber coating 50 engaging claws 52 Stopper

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 3D001 AA18 DA01 DA07                 3J048 AA01 BA04 BB03 EA16                 3J059 AD02 AE10 BA02 CC03 GA02                 3J069 AA69 CC02 DD48

Claims (6)

[Claims] 1. A member which is interposed between a coiled spring and a vehicle body side member in a suspension device of an automobile and absorbs an input vibration applied through the spring by elastic deformation, the rubber elastic body and a rigid resin. Or, it has a composite structure with a core made of metal, and has a cylindrical guide part for fitting and guiding the spring and a flange-shaped seat part for seating the upper end of the spring, and within the upper end part. On the circumferential side, there are engaging claws that project inward at multiple locations in the circumferential direction,
A spring seat that is assembled on the vehicle body side by engaging the engaging claws with a plurality of corresponding engaged claws provided on the vehicle body-side member by rotating operation so as to overlap the upper surfaces of the engaged claws. The spring seat rubber is characterized in that in the rubber, the engaging claw is integrally provided on the core body with a rigid resin or metal. 2. The spring seat rubber according to claim 1, wherein at least upper and lower surfaces of the engaging claw are covered with a rubber coating. 3. The stopper according to claim 1, wherein the engaging claw is provided with a stopper that comes into contact with the engaged claw in the rotational direction to define a mounting position of the spring seat rubber in the rotational direction. The spring seat rubber is characterized in that the stopper is integrally provided with the core body with a rigid resin or metal. 4. The spring seat rubber according to claim 3, wherein at least a surface of the stopper, which is in contact with the engaged claw, is covered with a rubber coating. 5. The core body according to claim 2, wherein the core body has an outwardly facing flange portion in the seating portion, and an upper surface of the flange portion is covered with a rubber coating, and an upper surface of the flange portion. The spring seat rubber is characterized in that the rubber film of the engaging claw is not adhered to the flange portion and the engaging claw. 6. The core body according to any one of claims 1 to 5, wherein the core body has a cylindrical portion having a straight shape in an axial direction, and the cylindrical portion constitutes an inner peripheral portion of a spring seat rubber. A spring seat rubber, wherein an inner peripheral surface of the cylindrical portion is exposed from the rubber elastic body.