CN219035402U - High-toughness durable rubber bushing - Google Patents
High-toughness durable rubber bushing Download PDFInfo
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- CN219035402U CN219035402U CN202222553127.9U CN202222553127U CN219035402U CN 219035402 U CN219035402 U CN 219035402U CN 202222553127 U CN202222553127 U CN 202222553127U CN 219035402 U CN219035402 U CN 219035402U
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Abstract
The utility model belongs to the technical field of rubber bushings, and particularly relates to a high-toughness durable rubber bushing which comprises a rubber body, wherein the rubber body is cylindrical, an inner sleeve is connected with an inner wall through vulcanization, and an outer sleeve is connected with a surface through vulcanization; a plurality of circumferentially equidistant axially arranged slotted holes are formed in the rubber body in a penetrating way, elastic sheets are arranged in the slotted holes, meanwhile, the slotted holes and the elastic sheets are arc-shaped, and an arc-shaped opening faces to one side far away from the axle center; the rubber body is internally provided with the plurality of slots, and the elastic sheets are arranged in the slots, so that when the rubber is accidentally aged prematurely to influence the elasticity, the influence of the rubber aging on the rubber elasticity is reduced by the built-in elastic sheets, the influence on the vibration isolation performance of the rubber bushing is reduced, and the service life is prolonged; simultaneously through slotted hole and elastic piece arc setting, and the arc opening is towards the one side of keeping away from the axle center, can improve the elasticity performance of elastic piece to guarantee the deformation performance of rubber body, improve the vibration isolation effect of rubber bush.
Description
Technical Field
The utility model belongs to the technical field of rubber bushings, and particularly relates to a high-toughness durable rubber bushing.
Background
The chassis of the vehicle is provided with more elastic elements, the rubber bushing is used as a chassis part, and is widely used as an elastic element, so that a vital effect is achieved, the rubber bushing in the suspension can absorb and isolate vibration through deformation when the road surface is uneven, and the deformation occurs when dynamic changes such as steering, braking and accelerating occur, so that the rubber bushing brings two effects (deformation characteristics of the suspension and frequency characteristics of the suspension are changed), good vibration isolation performance is achieved, the traditional rubber bushing generally adopts an inner sleeve and an outer sleeve, and a rubber body is vulcanized between the inner sleeve and the outer sleeve, and the vibration isolation performance is reduced due to rubber premature failure caused by unexpected situations, so that driving experience is affected.
For example, chinese patent application No. (CN 201120199132.3) discloses a front suspension bushing for a vehicle body, which comprises an outer sleeve, wherein an inner sleeve is vulcanized in the outer sleeve by rubber and is integrated, and two ends of the outer sleeve are bent inwards to form a gap with the rubber body; the contact surface between the middle of the inner sleeve and vulcanized rubber is a spherical surface, and the application enables the rubber bushing to realize the axial and radial rigidity changing functions through the bending of the two ends of the outer sleeve and the special structure of the middle spherical surface of the inner sleeve, namely, under the condition of different range loads, the bushing presents different rigidity values, the service life of the rubber bushing can be prolonged, and meanwhile, the use safety of peripheral parts and the whole automobile is improved.
Disclosure of Invention
The utility model aims at solving the technical problems, and provides the high-toughness durable rubber bushing, so that the vibration isolation performance of the rubber bushing is prevented from being influenced by premature rubber failure.
In view of this, the present utility model provides a high-toughness durable rubber bushing comprising:
the rubber body is cylindrical, an inner sleeve is connected with the inner wall in a vulcanization manner, and an outer sleeve is connected with the surface of the rubber body in a vulcanization manner;
the plurality of slots are formed in the rubber body at equal intervals in a penetrating way, and are axially arranged;
and the elastic sheet is arranged in the slotted hole.
In this technical scheme, through running through the slotted hole of seting up a plurality of circumference equidistant settings in the rubber body to set up the elastic sheet in the slotted hole, make when unexpected premature ageing of rubber influences elasticity, reduce the influence of rubber ageing to rubber elasticity through built-in elastic sheet, thereby reduce the influence to rubber bushing vibration isolation performance, increase of service life.
In the above technical solution, further:
the slot hole and the elastic piece are arranged in an arc shape.
In the technical scheme, the slot hole and the elastic piece are arc-shaped, so that the elastic performance of the elastic piece can be further improved, the high toughness of the rubber body in the rubber bushing can be ensured, and the vibration isolation effect is improved.
In the above technical solution, further:
the arc openings of the slot holes and the elastic pieces face to one side far away from the axle center.
In this technical scheme, through with slotted hole and elastic piece arc opening towards the one side of keeping away from the axle center, further improve the elasticity performance of elastic piece to and guarantee the high toughness of rubber body in the rubber bush, improve vibration isolation effect.
In the above technical solution, further, the method further includes:
chamfering, wherein the chamfering is arranged at two ends of the slot hole along the axial direction.
In this technical scheme, through set up the chamfer at the slotted hole along axial both ends, can reduce the ageing fracture that produces on the inner wall of slotted hole both ends because of the rubber body warp, reduce ageing fracture and begin the diffusion from the slotted hole both ends, guarantee the life of rubber body, and then guarantee the life of rubber bush.
In the above technical solution, further, the method further includes:
the adhesive layers are respectively positioned between the two radial sides of the elastic sheet and the rubber body.
In this technical scheme, through setting up the gluing layer between elastic sheet and rubber body, improve the joint strength between elastic sheet and the slotted hole inner wall, guarantee that the elastic sheet can not produce axial slip because of deformation in the slotted hole, guarantee the elasticity performance of elastic sheet.
In the above technical solution, further, the method further includes:
the annular bulge is formed by bending the inner sleeve at the inner wall of the rubber body to the side far away from the axle center;
the annular groove is formed on the inner wall of the rubber body and is matched with the annular bulge;
wherein, annular bulge and annular groove all are the arc, and all are two.
In this technical scheme, through the setting of annular arch and annular groove, guarantee the axial rigidity of rubber bush, improve the axial joint strength between rubber body and the endotheca, avoid the rubber body to take place axial float at the endotheca surface, guarantee the vibration isolation effect of rubber bush to be two, through the extrusion of annular arch subtended elastic sheet one side, guarantee the deformation characteristic of elastic sheet, and then guarantee the deformation characteristic of rubber bush and suspension, thereby guarantee to drive experience.
In the above technical solution, further, the method further includes:
and the bending parts are positioned at two ends of the outer sleeve and are formed by bending the two ends of the outer sleeve radially.
In this technical scheme, through the bending part at overcoat both ends, play axial restriction to rubber deformation to radial toughness when improving rubber body deformation, guarantee the high toughness effect of rubber bush, prolonged the rubber body simultaneously and kept the live time of better vibration isolation effect, prolonged the life of rubber bush.
The beneficial effects of the utility model are as follows:
1. through the arrangement of the plurality of circumferentially equidistant slotted holes in the rubber body and the arrangement of the elastic sheets in the slotted holes, when the rubber is accidentally aged prematurely to influence the elasticity, the influence of the rubber aging on the rubber elasticity is reduced by the built-in elastic sheets, thereby reducing the influence on the vibration isolation performance of the rubber bushing and prolonging the service life;
2. simultaneously through slotted hole and elastic piece arc setting, and the arc opening is towards the one side of keeping away from the axle center, can improve the elasticity performance of elastic piece to guarantee the deformation performance of rubber body, improve the vibration isolation effect of rubber bush.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
the label in the figure is: 1. a rubber body; 2. an inner sleeve; 3. a jacket; 4. a slot hole; 5. an elastic sheet; 6. chamfering; 7. an adhesive layer; 8. an annular protrusion; 9. an annular groove; 10. a bending part.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some, but not all, embodiments of the present application, and all other embodiments obtained by a person skilled in the art based on the embodiments in the present application are within the scope of protection of the present application.
Example 1:
the present embodiment provides a high-toughness durable rubber bushing, comprising:
the rubber body 1, the rubber body 1 is cylindrical, the inner wall is connected with the inner sleeve 2 through vulcanization, and the surface is connected with the outer sleeve 3 through vulcanization;
the number of the slots 4 is multiple, and the circumference of the slots 4 is uniformly spaced and penetrates through the rubber body 1 and is axially arranged;
the elastic piece 5 is arranged in the slotted hole 4;
the elastic sheet 5 is preferably made of metal, so that the structural strength and high toughness of the elastic sheet 5 are ensured, the service life of the elastic sheet 5 is prolonged, and the number of slots 4 is preferably four.
According to the embodiment, the plurality of circumferentially equidistant slotted holes 4 are formed in the rubber body 1 in a penetrating manner, and the elastic sheets 5 are arranged in the slotted holes 4, so that when the rubber is affected by accidental premature aging, the influence of rubber aging on the rubber elasticity is reduced through the built-in elastic sheets 5, the influence on the vibration isolation performance of the rubber bushing is reduced, the service life is prolonged, and the durable effect is improved.
Example 2:
the present embodiment provides a high-toughness durable rubber bushing, which has the following technical features in addition to the technical scheme including the above embodiment:
the slotted hole 4 and the elastic piece 5 are arranged in an arc shape;
the arc angle between the slot 4 and the elastic piece 5 is preferably 40-50 degrees, so that the elastic piece 5 is prevented from being greatly deformed and cannot return to the original state.
According to the embodiment, the slot 4 and the elastic piece 5 are arc-shaped, so that the elastic performance of the elastic piece 5 can be further improved, the high toughness of the rubber body 1 in the rubber bushing can be ensured, and the vibration isolation effect is improved.
Example 3:
the present embodiment provides a high-toughness durable rubber bushing, which has the following technical features in addition to the technical scheme including the above embodiment:
the arc openings of the slot 4 and the elastic piece 5 face to the side far away from the axle center.
In this embodiment, it can be seen that the slot 4 and the elastic piece 5 are opened in an arc shape towards the side far away from the axle center, so as to further improve the elastic performance of the elastic piece 5, ensure the high toughness of the rubber body 1 in the rubber bushing, and improve the vibration isolation effect.
Example 4:
the present embodiment provides a high-toughness durable rubber bushing, which has the following technical features in addition to the technical scheme of the above embodiment, and further includes:
wherein, the two ends of the elastic sheet 5 preferably do not extend out of the two ends of the slot 4.
According to the embodiment, the chamfer angles 6 are arranged at the two ends of the slot 4 along the axial direction, so that the aging cracks generated on the inner walls of the two ends of the slot 4 due to the deformation of the rubber body 1 can be reduced, the aging cracks are reduced to spread from the two ends of the slot 4, the service life of the rubber body 1 is ensured, and the service life of the rubber bushing is further ensured.
Example 5:
the present embodiment provides a high-toughness durable rubber bushing, which has the following technical features in addition to the technical scheme of the above embodiment, and further includes:
the adhesive layers 7 are respectively arranged between the two radial sides of the elastic sheet 5 and the rubber body 1;
the adhesive layer 7 is preferably added in a penetrating manner through a gap between the elastic sheet 5 and the inner wall of the slot 4 after the elastic sheet 5 is mounted.
In this embodiment, it can be seen that, by arranging the adhesive layer 7 between the elastic sheet 5 and the rubber body 1, the connection strength between the elastic sheet 5 and the inner wall of the slot 4 is improved, so that the elastic sheet 5 is ensured not to axially slide in the slot 4 due to deformation, and the elastic performance of the elastic sheet 5 is ensured.
Example 6:
the present embodiment provides a high-toughness durable rubber bushing, which has the following technical features in addition to the technical scheme of the above embodiment, and further includes:
an annular bulge 8, wherein the inner sleeve 2 is positioned on the inner wall of the rubber body 1 and is bent to one side far away from the axle center to form the annular bulge 8;
the annular groove 9 is formed in the inner wall of the rubber body 1 and is matched with the annular protrusion 8;
wherein, the annular bulge 8 and the annular groove 9 are arc-shaped and are two; meanwhile, the specific shape and the processing process of the annular bulge 8 and the annular groove 9 are the prior art (the comparison document in the background art of the application is disclosed), and specific parameters can obtain optimal values through experiments, so that repeated complaints are omitted.
According to the embodiment, through the arrangement of the annular bulge 8 and the annular groove 9, the axial rigidity of the rubber bushing is ensured, the axial connection strength between the rubber body 1 and the inner sleeve 2 is improved, the rubber body 1 is prevented from axially moving on the surface of the inner sleeve 2, the vibration isolation effect of the rubber bushing is ensured, and two vibration isolation effects are achieved, the deformation characteristics of the elastic piece 5 are ensured through the extrusion of the annular bulge 8 to one side of the elastic piece 5, and further the deformation characteristics of the rubber bushing and the suspension are ensured, so that driving experience is ensured.
Example 7:
the present embodiment provides a high-toughness durable rubber bushing, which has the following technical features in addition to the technical scheme of the above embodiment, and further includes:
the bending parts 10 are positioned at the two ends of the outer sleeve 3, and are formed by bending the two ends of the outer sleeve 3 radially;
the specific shape and the processing process of the bending portion 10 are related art (the reference document in the background art of the present application has already disclosed), and the specific parameters can obtain the optimal values through experiments, which are not repeated herein.
According to the embodiment, the bending parts 10 at the two ends of the outer sleeve 3 are used for axially limiting the deformation of the rubber, so that the radial toughness of the rubber body 1 during deformation is improved, the high toughness effect of the rubber bushing is ensured, the service time of the rubber body 1 for keeping a good vibration isolation effect is prolonged, and the service life of the rubber bushing is prolonged.
The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (7)
1. A high-toughness durable rubber bushing, comprising:
the rubber body (1), the rubber body (1) is cylindrical, the inner wall is connected with an inner sleeve (2) through vulcanization, and the surface is connected with an outer sleeve (3) through vulcanization;
the plurality of slots (4) are formed in the rubber body (1) in a penetrating manner at equal intervals in the circumference, and the slots are axially arranged;
and the elastic piece (5) is arranged in the slotted hole (4).
2. The high-toughness durable rubber bushing according to claim 1, wherein:
the slotted hole (4) and the elastic piece (5) are arranged in an arc shape.
3. The high-toughness durable rubber bushing according to claim 2, wherein:
the arc openings of the slotted holes (4) and the elastic pieces (5) face to one side far away from the axle center.
4. The high-toughness durable rubber bushing according to claim 3, further comprising:
and the chamfer (6) is arranged at two ends of the slot hole (4) along the axial direction.
5. The high-toughness durable rubber bushing according to claim 1, further comprising:
the adhesive layers (7) are respectively arranged between the two radial sides of the elastic sheet (5) and the rubber body (1).
6. The high-toughness durable rubber bushing according to claim 1, further comprising:
an annular bulge (8), wherein the inner sleeve (2) is positioned on the inner wall of the rubber body (1) and is bent towards the side far away from the axle center to form the annular bulge (8);
the annular groove (9) is formed in the inner wall of the rubber body (1) and is matched with the annular bulge (8);
wherein, annular bulge (8) and annular recess (9) are the arc, and are two.
7. The high-toughness durable rubber bushing according to claim 6, further comprising:
and the bending parts (10) are positioned at two ends of the outer sleeve (3), and are formed by bending the two ends of the outer sleeve (3) radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222553127.9U CN219035402U (en) | 2022-09-26 | 2022-09-26 | High-toughness durable rubber bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222553127.9U CN219035402U (en) | 2022-09-26 | 2022-09-26 | High-toughness durable rubber bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035402U true CN219035402U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222553127.9U Active CN219035402U (en) | 2022-09-26 | 2022-09-26 | High-toughness durable rubber bushing |
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| Country | Link |
|---|---|
| CN (1) | CN219035402U (en) |
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2022
- 2022-09-26 CN CN202222553127.9U patent/CN219035402U/en active Active
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