CN211730968U - Stabilizer bar bush and stabilizer bar assembly - Google Patents
Stabilizer bar bush and stabilizer bar assembly Download PDFInfo
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- CN211730968U CN211730968U CN201922101678.XU CN201922101678U CN211730968U CN 211730968 U CN211730968 U CN 211730968U CN 201922101678 U CN201922101678 U CN 201922101678U CN 211730968 U CN211730968 U CN 211730968U
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- stabilizer bar
- buffer structure
- bushing
- bush
- outer buffer
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Abstract
The utility model belongs to the technical field of the automotive suspension, a stabilizer bar bush and stabilizer bar assembly is disclosed, the stabilizer bar bush includes two bush monomers, and the bush monomer includes: the inner buffer structure is in a semi-revolution shape, and an adhesive layer is arranged on the radial inner end surface of the inner buffer structure; the outer buffer structure is in a semi-revolution shape, the outer buffer structure is arranged on the radial outer end face of the inner buffer structure, a groove extending along the circumference is arranged on the radial inner end face of the outer buffer structure, and a flat bottom face is formed at one end of the outer buffer structure along the Y-axis direction; the metal sheet is arranged in the groove of the outer buffer structure; the base sets up on outer buffer structure's flat plane, and when two lining monomers docked along the X axle direction, two inner buffer structure's both ends docked and form the centre bore. The stabilizer bar assembly includes a stabilizer bar, a cover plate and the above stabilizer bar bushing. The utility model provides a relative problem of sliding and production abnormal sound takes place easily between bush and stabilizer bar.
Description
Technical Field
The utility model relates to an automotive suspension technical field especially relates to a stabilizer bar bush and stabilizer bar assembly.
Background
The automobile transverse stabilizer bar bushing device bears load input of systems such as a suspension, a steering system and the suspension, radial rotation and axial sliding can occur between the transverse stabilizer bar and the bushing, and friction can be brought to the rubber bushing through radial rotation. And the traditional transverse stabilizer bar bushing is of a solid rubber structure, and has higher torsional rigidity and smaller allowable tangential deformation of the bushing in a pre-compression state. When stabilizer bar torsion angle is great, can't guarantee that rubber bush continuously attaches to the same position of stabilizer bar, lead to taking place relative slip between bush and the stabilizer bar, can produce the abnormal sound. In addition to the problems of abnormal sound and inside wear, durability performance is also important. When the rigidity of the stabilizer bar is high, the displacement of the stabilizer bar bushing made of pure rubber is high, and cracks are easy to generate. In addition, the conventional bushing is generally of a vertical structure, the upper portion of the bushing is subjected to pressure, the lower portion of the bushing is connected with the front subframe, and a gap is formed between the upper portion and the lower portion of the bushing, so that the bushing is easily deformed at the gap when external force in the left-right direction is applied.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stabilizer bar bush and stabilizer bar assembly to solve and take place relative slip easily and produce the problem of abnormal sound between bush and stabilizer bar.
To achieve the purpose, the utility model adopts the following technical proposal:
in one aspect, the utility model provides a stabilizer bar bush, including two bush monomers, the bush monomer includes:
the inner buffer structure is in a semi-revolution shape, and an adhesive layer is arranged on the radial inner end surface of the inner buffer structure;
the outer buffer structure is in a semi-rotor shape, the outer buffer structure is arranged on the radial outer end face of the inner buffer structure, a groove extending along the circumferential direction is formed in the radial inner end face of the outer buffer structure, and a flat bottom face is formed at one end of the outer buffer structure along the Y-axis direction;
a metal sheet disposed in a groove of the outer buffer structure;
a base connected on the flat bottom surface of the outer cushion structure, wherein:
when the two lining single bodies are butted along the X-axis direction, two ends of the two inner buffer structures are butted to form a central hole.
The stabilizer bar bushing is of a bilateral symmetry structure, when lateral external force is applied, a gap is formed at the top of the stabilizer bar bushing, so that the bushing monomers are not easy to deform, the two bushing monomers are butted to form a central hole for accommodating the stabilizer bar, an adhesive layer is arranged on the radial inner end surface of the inner buffering structure so as to bond the outer wall of the stabilizer bar, and when the stabilizer bar rotates in a twisting angle or moves in a radial direction, the bushing and the stabilizer bar cannot generate relative displacement, so that abnormal sound is avoided; because the bushing and the stabilizer bar are always attached, sand stone or muddy water cannot enter, and the possibility of abrasion of the inner wall of the bushing is reduced; the metal sheet and the base increase the radial rigidity of the stabilizer bar bushing, and the deformation of the stabilizer bar bushing can be effectively reduced when the stabilizer bar bushing is subjected to larger extrusion force, so that the overall durability of the bushing is improved.
Preferably, the inner buffer structure and the outer buffer structure are both made of a natural rubber and butadiene rubber mixed material. The natural rubber and butadiene rubber mixed material has better wear resistance and cold resistance, and reduces abnormal sound in a low-temperature state.
Preferably, the metal sheet is provided with lightening holes, and part of the inner buffer structure and the outer buffer structure are connected through the lightening holes. Set up the lightening hole, reduced the holistic quality of sheetmetal and stabilizer bar bush on the one hand, simultaneously, interior buffer structure and outer buffer structure pass through the lightening hole and connect, have guaranteed the intensity between interior buffer structure and the outer buffer structure, and can provide bigger mechanical power of holding tightly.
Preferably, the base is made of glass fiber reinforced nylon material. The base is harder than rubber, so that the outer buffer structure and the inner buffer structure can adopt rubber with lower hardness, the requirement of radial low rigidity is met, and the torsional rigidity is correspondingly reduced due to the lower hardness of the rubber.
Preferably, the base and the outer buffer structure are integrally formed by vulcanization. The adoption of the integral vulcanization molding process is beneficial to improving the strength between the base and the outer buffer structure.
Preferably, the radial outer end surface of the outer buffer structure is provided with a rib extending along the circumferential direction.
On the other hand, the utility model provides a stabilizer bar assembly, including stabilizer bar, apron and foretell stabilizer bar bush, the stabilizer bar is worn to locate stabilizer bar bush's centre bore and with viscose layer bonds, the apron is in along Y axle direction joint the outer terminal surface in the radial direction of outer buffer structure, the apron with interference fit between the outer buffer structure.
The stabilizer bar bonds in the viscose layer, and interference fit between stabilizer bar and the apron simultaneously stabilizes the connection between stabilizer bar, stabilizer bar bush and the apron to can effectively avoid the abnormal sound problem.
Preferably, the inner surface of the cover plate is provided with a limiting groove matched with the convex rib. Because the fin sets up along outer buffer structure's circumference, fin and spacing groove cooperation back, the apron cooperates along stabilizer bar bush's circumferential direction.
Preferably, the cover plate is provided with protruding lips along the edges of two sides of the Z-axis direction, and the protruding lips are clamped with the outer buffer structure. The outer buffer structure is limited by the convex lip, and the stable matching between the cover plate and the stabilizer bar bushing is further improved.
The utility model has the advantages that:
for the stabilizer bar bushing, the stabilizer bar bushing is of a bilaterally symmetrical structure, when lateral external force is applied, the top of the stabilizer bar bushing forms a notch, so that the bushing monomers are not easy to deform, the two bushing monomers are butted to form a central hole for accommodating the stabilizer bar, the radial inner end surface of the inner buffering structure is provided with an adhesive layer so as to bond the outer wall of the stabilizer bar, and when the stabilizer bar rotates in a twisting angle or moves in a radial direction, the bushing and the stabilizer bar cannot generate relative displacement, so that abnormal sound is avoided; because the bushing and the stabilizer bar are always attached, sand stone or muddy water cannot enter, and the possibility of abrasion of the inner wall of the bushing is reduced; the metal sheet and the base further increase the radial rigidity of the stabilizer bar bushing, and when the stabilizer bar bushing is subjected to large extrusion force, the deformation of the stabilizer bar bushing can be effectively reduced, so that the overall durability of the bushing is improved.
To stabilizer bar assembly, the stabilizer bar bonds in the viscose layer, and interference fit between stabilizer bar and the apron simultaneously stablizes between stabilizer bar, stabilizer bar bush and the apron and is connected to can effectively avoid the abnormal sound problem.
Drawings
FIG. 1 is a schematic view of a stabilizer bar bushing in an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of a stabilizer bar bushing in an embodiment of the present invention;
FIG. 3 is a schematic view of the stabilizer bar bushing and cover plate in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stabilizer bar assembly according to an embodiment of the present invention.
In the figure:
1-an internal buffer structure; 2-an outer buffer structure; 2A-flat bottom surface; 3-a metal sheet; 4-a base; 5-an adhesive layer;
11-a central hole; 21-a rib; 30-lightening holes;
100-a liner monomer; 200-a stabilizer bar; 300-a cover plate; 301-lip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a stabilizer bar bush, as shown in fig. 1 and fig. 2, stabilizer bar bush, including two bush monomers 100, two bush monomers 100 cooperate along X axle direction, and a centre bore 11 is formed to inside.
The bushing unit 100 includes an inner cushion structure 1, an outer cushion structure 2, a metal sheet 3, and a base 4.
The inner buffer structure 1 is in a semi-revolution shape, and an adhesive layer 5 is arranged on the radial inner end surface of the inner buffer structure 1; the outer buffer structure 2 is in a semi-revolution shape, the outer buffer structure 2 is arranged on the radial outer end face of the inner buffer structure 1, a groove extending along the circumferential direction is arranged on the radial inner end face of the outer buffer structure 2, and a flat bottom face 2A is formed at one end of the outer buffer structure 2 along the Y-axis direction; the metal sheet 3 is vulcanized in the groove of the outer buffer structure 2; the base 4 is connected to the flat bottom surface 2A of the outer cushion structure 2.
In the present embodiment, the inner cushion structure 1 and the outer cushion structure 2 are both made of a mixed material of natural rubber and butadiene rubber. The natural rubber and butadiene rubber mixed material has better wear resistance and cold resistance, and reduces abnormal sound in a low-temperature state.
The metal sheet 3 is provided with lightening holes 30, and parts of the inner buffer structure 1 and the outer buffer structure 2 are connected through the lightening holes 30. Set up lightening hole 30, reduced the holistic quality of sheetmetal 3 and stabilizer bar bush on the one hand, simultaneously, interior buffer structure 1 and outer buffer structure 2 are connected through lightening hole 30, have guaranteed the intensity between interior buffer structure 1 and the outer buffer structure 2, and can provide bigger mechanical power of hugging closely.
The base 4 is made of glass fiber reinforced nylon material. The glass fiber reinforced nylon material is harder than rubber, so that the outer buffer structure 2 and the inner buffer structure 1 can adopt rubber with lower hardness, the requirement of radial low rigidity is met, and the torsional rigidity is correspondingly reduced due to the lower rubber hardness.
Further, the radially outer end surface of the outer cushion structure 2 is provided with a rib 21 extending in the circumferential direction.
With reference to fig. 3 and 4, the present invention further discloses a stabilizer bar assembly, which comprises a stabilizer bar 200, a cover plate 300 and the above-mentioned stabilizer bar bushing, wherein the stabilizer bar 200 is inserted into the center hole 11 of the stabilizer bar bushing, the stabilizer bar 200 is bonded to the viscose layer 5 of the stabilizer bar bushing, and the cover plate 300 is clamped along the Y-axis direction at the outer radial end surface of the outer buffer structure 2.
Further, the inner surface of the cover plate 300 is provided with a limiting groove matched with the convex rib 21. Because the protruding rib 21 sets up along outer buffer structure 2's circumference, behind protruding rib 21 and the spacing groove cooperation, interference connection between apron 300 and the outer buffer structure 2.
Further, the cover plate 300 is provided with protruding lips 301 along the two side edges of the Z-axis direction, and the protruding lips 301 are clamped with the outer buffer structure 2. The outer cushioning structure 2 is retained by a lip 301 to further improve the stable fit between the cover plate 300 and the stabiliser bar bushing.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A stabilizer bar bushing, comprising two bushing units (100), the bushing units (100) comprising:
the buffer structure comprises an inner buffer structure (1), wherein the inner buffer structure (1) is in a semi-revolution shape, and an adhesive layer (5) is arranged on the radial inner end surface of the inner buffer structure (1);
the outer buffer structure (2) is in a semi-revolution shape, the outer buffer structure (2) is arranged on the radial outer end face of the inner buffer structure (1), a groove extending along the circumferential direction is formed in the radial inner end face of the outer buffer structure (2), and a flat bottom face (2A) is formed at one end of the outer buffer structure (2) along the Y-axis direction;
a metal sheet (3), the metal sheet (3) being arranged in a groove of the outer buffer structure (2);
a base (4), said base (4) connected on said flat bottom surface (2A), wherein:
when the two lining single bodies (100) are butted along the X-axis direction, two ends of the two inner buffer structures (1) are butted to form a central hole (11).
2. Stabilizer bar bushing according to claim 1, characterized in that the inner (1) and the outer (2) cushioning structure are both made of a natural rubber and butadiene rubber hybrid material.
3. Stabilizer bar bushing according to claim 1 or 2, characterized in that the metal sheet (3) is provided with lightening holes (30), through which lightening holes (30) parts of the inner (1) and outer (2) damping structures are connected.
4. The stabilizer bar bushing according to claim 3, characterized in that the base (4) is made of glass fiber reinforced nylon.
5. The stabilizer bar bushing according to claim 4, characterized in that the base (4) is integrally vulcanization molded with the outer damping structure (2).
6. The stabilizer bar bushing according to claim 5, characterized in that the radially outer end face of the outer damping structure (2) is provided with circumferentially extending ribs (21).
7. A stabilizer bar assembly, characterized in that, including stabilizer bar (200), cover plate (300) and the stabilizer bar bushing of any claim 1-6, stabilizer bar (200) is worn to locate in the center hole (11) of the stabilizer bar bushing and is glued with the viscose layer (5), cover plate (300) along the Y axle direction joint in the radial outer terminal surface of outer buffer structure (2), interference fit between cover plate (300) and outer buffer structure (2).
8. The stabilizer bar assembly according to claim 7, wherein the inner surface of the cap plate (300) is provided with a stopper groove to be engaged with the rib (21).
9. The stabilizer bar assembly according to claim 8, wherein the cover plate (300) is provided with a lip (301) at two side edges along the Z-axis direction, and the lip (301) is clamped with the outer buffer structure (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922101678.XU CN211730968U (en) | 2019-11-29 | 2019-11-29 | Stabilizer bar bush and stabilizer bar assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922101678.XU CN211730968U (en) | 2019-11-29 | 2019-11-29 | Stabilizer bar bush and stabilizer bar assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211730968U true CN211730968U (en) | 2020-10-23 |
Family
ID=72876050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922101678.XU Active CN211730968U (en) | 2019-11-29 | 2019-11-29 | Stabilizer bar bush and stabilizer bar assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211730968U (en) |
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2019
- 2019-11-29 CN CN201922101678.XU patent/CN211730968U/en active Active
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