CN212889738U - Rear rubber bushing of automobile control arm - Google Patents
Rear rubber bushing of automobile control arm Download PDFInfo
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- CN212889738U CN212889738U CN202021794877.XU CN202021794877U CN212889738U CN 212889738 U CN212889738 U CN 212889738U CN 202021794877 U CN202021794877 U CN 202021794877U CN 212889738 U CN212889738 U CN 212889738U
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- inner frame
- control arm
- rubber sleeve
- automobile control
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Abstract
The utility model discloses a rubber bush behind car control arm, include by interior and outer coaxial fixed connection's inner frame, rubber sleeve and outer skeleton, the inner frame is composite structure, including the first inner frame of low density and high strength non-metallic material and the second inner frame of metal material, first inner frame nestification is in the second inner frame outside, and the rubber sleeve nestification is in the first inner frame outside. The inner frame adopts composite construction, has replaced the inner frame of pure metal material with the first inner frame of high strength non-metallic material and the second inner frame of metal material, satisfies under the condition of rubber bush bulk strength, has reduced rubber bush's whole weight to a certain extent, has further promoted the wholeness ability of car, is applicable to automobile parts and makes technical field.
Description
Technical Field
The utility model belongs to the technical field of automobile parts makes, specific theory relates to a rubber bush behind car control arm.
Background
In the prior art, a structural design commonly adopted by a rubber bushing behind an automobile control arm is shown in fig. 5, and the rubber bushing comprises an outer framework 1 made of a metal material, a rubber sleeve 2 and an inner framework 3 made of a metal material, wherein the rubber sleeve 2, the outer framework 1 and the inner framework 3 are vulcanized and bonded into a whole, and then the performance requirement of the rubber bushing is met through a diameter reducing process. According to the technical performance requirements of the rubber bushing product behind the automobile control arm, the inner framework is designed into a spherical structure (with the weight of 247g) with a convex middle part, so that higher radial rigidity can be provided under the condition of lower rubber hardness, and the torsion and swing angle rigidity of the bushing can be reduced, so that better performance parameters of the rubber bushing are provided, the comfort and the control performance of the whole automobile are improved, and the requirements of the performance of the whole automobile are met. The inner frame made of metal is produced by adopting a cold heading or hot punching and machining process to ensure the accuracy requirements of the appearance and the size of the inner frame, and the design can meet the product performance requirements, but the volume of the inner frame product is large, and the inner frame product is made of metal, so that the weight of the rubber bushing is heavier, and the further improvement of the performance of the automobile is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rubber bush behind car control arm for the weight of solving among the prior art rubber bush behind the car control arm is heavier, influences the problem that the car performance further promoted.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a rubber bush behind car control arm, includes by interior and outer coaxial fixed connection's inner frame, rubber sleeve and exoskeleton, the inner frame is composite structure, including the first inner frame of low density and high strength non-metallic material and the second inner frame of metal material, and first inner frame nests in the second inner frame outside, and the rubber sleeve nests in the first inner frame outside.
Furthermore, the second inner frame is of a tubular structure made of metal materials, bosses of an annular structure are arranged on the outer sides of two ends of the second inner frame, and anti-skid lines are arranged on the outer sides of the middle of the second inner frame.
Further, first inner frame is the tubular structure of non-metallic material, first skeleton both ends inboard have with the step of boss adaptation, first inner frame middle part outside has the arch of toper platform structure.
Furthermore, the two ends of the top of the protrusion are provided with arc-shaped flanges of annular structures, and the upper inclined plane and the lower inclined plane of the protrusion and the side wall of the top of the protrusion are provided with anti-skid grains.
Furthermore, the rubber sleeve is provided with a plurality of through holes which are uniformly distributed along the axial direction of the rubber sleeve, and the through holes penetrate through the upper surface and the lower surface of the rubber sleeve.
Further, the through-hole is the dysmorphism hole that has the raised grain lateral wall, and the quantity of through-hole is two, and two through-holes are arranged for the relative rubber sleeve axle center symmetry of rubber sleeve.
Furthermore, first inner frame is connected fixedly through injection moulding and second inner frame, and second inner frame and outer skeleton are connected fixedly through vulcanizing with the rubber sleeve respectively.
Furthermore, the first inner framework is made of nylon, polyformaldehyde or ABS plastic.
The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the inner frame adopts composite construction, has replaced the inner frame of pure metal material with the first inner frame of the nonmetal material of low density and high strength and the second inner frame of metal material, satisfies under the condition of rubber bush bulk strength, has reduced rubber bush's whole weight to a certain extent, has further promoted the wholeness ability of car, is applicable to automobile parts and makes technical field.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a front view of an embodiment of the present invention;
fig. 3 is a schematic structural view of an inner frame in an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B;
fig. 6 is a schematic structural diagram of a rear rubber bushing of a control arm of a vehicle in the prior art.
Labeling components: 1-outer skeleton, 2-rubber sleeve, 21-through hole, 3-inner skeleton, 31-first inner skeleton, 311-bulge, 312-arc flange, 32-second inner skeleton, 321-boss.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
The utility model discloses a rubber bush behind car control arm, as shown in figure 1, including by interior and outer coaxial fixed connection's inner frame 3, rubber sleeve 2 and outer skeleton 1, inner frame 3 is composite structure, including the first inner frame 31 of low density and high strength non-metallic material and the second inner frame 32 of metal material, first inner frame 31 nests in the second inner frame 32 outside, and rubber sleeve 2 nests in the first inner frame 31 outside. The beneficial effects of the utility model reside in that: inner frame 3 adopts composite construction, has replaced inner frame 3 of pure metal material with the first inner frame 31 of the nonmetal material of low density and high strength and the second inner frame 32 of metal material, satisfies under the condition of rubber bush bulk strength, has reduced rubber bush's whole weight to a certain extent, has further promoted the wholeness ability of car.
As a preferred embodiment of the present invention, as shown in fig. 2, the second inner frame 32 is a tubular structure made of metal, the outer sides of both ends of the second inner frame 32 have a boss 321 with an annular structure, and the outer side of the middle portion of the second inner frame 32 has anti-slip lines. First inner frame 31 is the tubular structure of non-metallic material, and first skeleton both ends inboard has the step with boss 321 adaptation, and first inner frame 31 middle part outside has the arch 311 of toper platform structure. The top of the protrusion 311 has two ends with arc-shaped flanges 312 of annular structure, and the upper and lower slopes and the top side wall of the protrusion 311 have anti-slip patterns. The boss 321 and the step are arranged, so that the first inner framework 31 and the second inner framework 32 are axially positioned, the anti-slip patterns are arranged on the outer sides of the two ends of the second inner framework 32, the circumferential positioning effect of the first inner framework 31 and the second inner framework 32 is achieved, the second inner framework 32 and the first inner framework 31 cannot move relatively, and more stable connection is achieved; through setting up protruding 311 and arc flange 312, played the axial positioning effect of rubber sleeve 2 and first inner frame 31, set up anti-skidding line through the upper and lower inclined plane and the top lateral wall at the protruding 311 of first inner frame 31, played the circumference positioning effect of rubber sleeve 2 and first inner frame 31, made relative motion can not take place for rubber sleeve 2 and first inner frame 31, realized more firm connection.
The utility model discloses an optimal design, under the condition that does not change product performance, with automobile control arm back rubber bush lightweight design, choose for use the metal material second inner frame 32 that the volume is less than pure metal material inner frame 3 as the supporter, protruding 311's bulb adopts the low density in the middle of 3 former inner frames, the non-metallic material of high strength replaces, when satisfying structural strength, the weight of inner frame 3 has been reduced, thereby reduce automobile control arm back rubber bush's whole weight, automobile lightweight designing requirement has been realized, the use cost of energy consumption and vehicle has been reduced, further improve the performance of car. First inner frame 31 is connected fixedly through injection moulding and second inner frame 32, and second inner frame 32 and exoskeleton 1 are connected fixedly through the vulcanization with rubber sleeve 2 respectively. Through the accounting of manufacturing cost, the utility model discloses a processing cost compares closely, does not increase at the former processing cost of processing cost. Preferably, non-metallic material chooses for use for the nylon materials in this embodiment, is connected nylon materials and metal material's second inner frame 32 for compound inner frame 3 through injection moulding, and the inner frame 3 weight after the processing is accomplished is 145g, has reduced about 102g for original design pure metal material's inner frame 3, the utility model discloses a non-metallic material part, except nylon materials, can also adopt the non-metallic material of other low density, high strength, like polyformaldehyde, ABS plastics etc. as long as can satisfy behind the automobile control arm rubber bush's mechanical properties (rigidity and fatigue strength).
As a preferred embodiment of the present invention, as shown in fig. 2, in order to further reduce the overall weight of the rubber bushing, the rubber sleeve 2 is provided with a plurality of through holes 21 arranged uniformly along the axial direction thereof, and the through holes 21 penetrate through the upper and lower surfaces of the rubber sleeve 2. The through holes 21 are special-shaped holes with wavy side walls, the number of the through holes 21 is two, and the two through holes 21 are symmetrically arranged relative to the axis of the rubber sleeve 2. By arranging the through holes 21, the overall weight of the rubber bushing is further reduced, and the overall performance of the automobile is improved; in addition, the side wall of the through hole 21 is a special-shaped hole with a wave-shaped structure, so that the heat dissipation area is increased while the heat dissipation channel is additionally arranged, and heat dissipation is facilitated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.
Claims (8)
1. The utility model provides a rubber bush behind car control arm, includes by interior and outer coaxial fixed connection's inner frame, rubber sleeve and outer skeleton, its characterized in that: the inner frame is a composite structure and comprises a first inner frame made of low-density and high-strength nonmetal materials and a second inner frame made of metal materials, the first inner frame is nested outside the second inner frame, and the rubber sleeve is nested outside the first inner frame.
2. The rear rubber bushing of an automobile control arm as set forth in claim 1, wherein: the second inner frame is of a tubular structure made of metal materials, bosses of an annular structure are arranged on the outer sides of two ends of the second inner frame, and anti-skid lines are arranged on the outer sides of the middle of the second inner frame.
3. The rear rubber bushing of an automobile control arm as set forth in claim 2, wherein: first inner frame is non-metallic's tubular structure, first skeleton both ends inboard have with the step of boss adaptation, first inner frame middle part outside has the arch of toper platform structure.
4. The rear rubber bushing of an automobile control arm as set forth in claim 3, wherein: the two ends of the top of the protrusion are provided with arc-shaped flanges with annular structures, and the upper inclined plane and the lower inclined plane of the protrusion and the side wall of the top of the protrusion are provided with anti-skid grains.
5. The rear rubber bushing of an automobile control arm as set forth in claim 1, wherein: the rubber sleeve is provided with a plurality of through holes which are uniformly distributed along the axial direction of the rubber sleeve, and the through holes penetrate through the upper surface and the lower surface of the rubber sleeve.
6. The rear rubber bushing of an automobile control arm as set forth in claim 5, wherein: the through-hole is the dysmorphism hole that has the raised grain lateral wall, and the quantity of through-hole is two, and two through-holes are the relative rubber sleeve axle center symmetrical arrangement of through-hole.
7. The rear rubber bushing of an automobile control arm as set forth in claim 2, wherein: first inner frame is connected fixedly through injection moulding and second inner frame, and second inner frame and outer skeleton are connected fixedly through vulcanizing with the rubber sleeve respectively.
8. The rear rubber bushing of an automobile control arm as set forth in claim 1, wherein: the first inner framework is made of nylon, polyformaldehyde or ABS plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794877.XU CN212889738U (en) | 2020-08-25 | 2020-08-25 | Rear rubber bushing of automobile control arm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794877.XU CN212889738U (en) | 2020-08-25 | 2020-08-25 | Rear rubber bushing of automobile control arm |
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| Publication Number | Publication Date |
|---|---|
| CN212889738U true CN212889738U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021794877.XU Active CN212889738U (en) | 2020-08-25 | 2020-08-25 | Rear rubber bushing of automobile control arm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285228A (en) * | 2022-07-15 | 2022-11-04 | 松果新能源汽车有限公司 | Composite framework structure for automobile and manufacturing method |
-
2020
- 2020-08-25 CN CN202021794877.XU patent/CN212889738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285228A (en) * | 2022-07-15 | 2022-11-04 | 松果新能源汽车有限公司 | Composite framework structure for automobile and manufacturing method |
| CN115285228B (en) * | 2022-07-15 | 2024-03-08 | 松果新能源汽车有限公司 | Composite skeleton structure for automobile and manufacturing method |
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