Bushing suspension with rubber sheet
Technical Field
The utility model relates to a suspension's manufacturing and designing field, more specifically says, it relates to a take bush suspension of sheet rubber.
Background
The suspension is an automobile power assembly part used for reducing and controlling the transmission of engine vibration and playing a role in supporting, is widely applied to the current automobile industry, is used as a part in an engine to ensure the safety of the engine, and has the advantages that the overall strength of the suspension part needs to reach a certain condition, and the matching between the suspension part and each part in the engine needs to be more precise; the rubber structure of traditional structure on the market is simple relatively at present for the rubber structure of traditional structure vibration isolation effect is not good under the high frequency condition.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides a take bush suspension of sheet rubber that simple structure, reasonable in design, low cost, vibration isolation are effectual.
In order to solve the technical problem, the technical scheme of the utility model as follows:
a bushing suspension with a rubber sheet comprises an outer sleeve, an inner core and a rubber piece, wherein the outer sleeve and the inner core are fixedly installed through the rubber piece, the inner core is wrapped by the rubber piece, and the rubber sheet is arranged in the rubber piece; the rubber piece comprises a rubber piece inner side surface, a rubber piece outer side surface and a rubber piece connecting part, the rubber piece connecting part comprises a rubber sheet, an inner rubber leg and an outer rubber leg, and the rubber sheet is arranged between the inner rubber leg and the outer rubber leg; the rubber sheet is rectangular sheet, two end faces of the rubber sheet are respectively connected with the inner rubber leg and the outer rubber leg, and four corners of the rubber sheet are replaced by cambered surfaces; the inner rubber leg and the outer rubber leg are in a rhombic column shape, the inner rubber leg is connected with one end face of the inner measuring face of the rubber piece and one end face of the rubber sheet respectively, and the outer rubber leg is connected with the other end face of the outer measuring face of the rubber piece and the other end face of the rubber sheet respectively.
Furthermore, the inner side surface of the rubber part is in a hollow rhombic column shape, four included angles of the inner side surface of the rubber part are respectively provided with quadrangular-prism-shaped extending limiting rubber, one side surface of the limiting rubber is missing, so that the inner space of the limiting rubber is communicated with the inner space of the inner side surface of the rubber part, and the included angles between the limiting rubber and the outer wall of the inner core body of the inner core are in arc transition and are respectively in wide contact with rubber and in narrow contact with rubber; one end of the inner side surface of the rubber part is provided with a hollow conical extension, the bottom side surface of the extension lacks to ensure that the inner space of the hollow conical extension is communicated with the inner space of the inner side surface of the rubber part, a middle hollow part is arranged at the position of the side surface of the hollow conical extension corresponding to the vertex of the hollow conical extension, and an outward extension is arranged on the middle hollow part to form a middle extension.
Furthermore, the rubber outer measuring surface is in a hollow cylinder shape, two end faces of the rubber outer measuring surface are absent, buffer rubber is arranged on the inner wall of the rubber outer measuring surface, the buffer rubber is arranged between the connecting parts of the rubber pieces and is attached to the inner wall of the rubber outer measuring surface, one end of the rubber outer measuring surface is provided with a rubber recess corresponding to the mounting part recess, and the other end of the rubber outer measuring surface is provided with an outer measuring surface extension; the extension of the outer measuring surface corresponds to the limiting block and is in inclined transition with the outer measuring surface of the rubber, the extension of the outer measuring surface and the extension of the middle shape are sealed by a cambered surface, the cambered surface is a sealed cambered surface, and the outer measuring surface is extended and is absent from the area sealed cambered surface corresponding to two obtuse angles of the hollow rhombic column in the inner measuring surface of the rubber part.
Further, the overcoat include installation department and stopper, the stopper sets up in the installation department.
Furthermore, the mounting part is in a hollow cylinder shape, two end faces of the mounting part are absent, an isosceles trapezoid-shaped recess is formed in one end of the mounting part and is concave, and the concave of the mounting part corresponds to the positions where two acute angles of a rhombic cylinder in the inner core body of the inner core face; the limiting block is arranged inside the mounting part; the stopper set up and keep away from the recessed one end of installation department in the installation department inner wall, the stopper is right trapezoid cubic, the lower bottom limit face of stopper and the inner wall laminating of installation department, the inside of stopper be provided with three and above fretwork spaces and its right angle limit face disappearance.
Further, the inner core include inner core body and inner core installation department, the inner core installation department sets up in the both ends of inner core body.
Furthermore, the inner core body is in a rhombic column shape, the four included angles of the inner core body are respectively provided with a limiting part, the limiting parts are in a quadrangular prism shape and are in arc surface transition with the outer wall of the inner core body, the limiting part connected with the obtuse included angle of the inner core body is in rubber wide contact with the inner core body through the wide side surface of the limiting part, and the limiting part connected with the acute included angle of the inner core body is in rubber narrow contact with the inner core body through the narrow side surface of the limiting part; one end of the inner core body is provided with a conical extension inner core connecting part, the bottom side surface of the inner core connecting part is connected with the inner core body, and a gap for installation is arranged at the position of the inner core connecting part corresponding to the narrow rubber contact part and is a connecting and fixing part; inner core installation parts are respectively installed on the inner core connection part and the other end of the inner core body.
Further, the inner core mounting part comprises an inner core upper mounting part and an inner core lower mounting part, the inner core upper mounting part and the inner core lower mounting part are in an oval block shape, one end of the inner core upper mounting part is attached and connected with one end of the inner core body, which is far away from the inner core linking part, one end of the inner core lower mounting part is attached and connected with the inner core linking part, and fixing through holes for mounting and fixing and reinforcing ribs for reinforcing the inner core upper mounting part and the inner core lower mounting part are arranged at positions, which are close to the other ends, on the inner core upper mounting part and the inner core lower mounting part; the reinforcing ribs comprise upper reinforcing ribs and lower reinforcing ribs, the upper reinforcing ribs and the lower reinforcing ribs are triangular sheets, the upper reinforcing ribs are respectively connected with the inner core upper mounting part and the inner core body, and the lower reinforcing ribs are respectively connected with the inner core lower mounting part and the inner core connecting part; and a lower concave weight-reducing hollow is arranged beside the lower reinforcing rib.
The utility model has the advantages that:
1. the utility model discloses a set up by the flaky sheet rubber of rectangle in the rubber spare linking portion, this design can effectual reduction this part the rigidity of part when dynamic environment reaches more than 1000HZ, makes the utility model discloses the vibration isolation effect is better under the high frequency condition.
2. The utility model discloses a vulcanization technology to make its performance improve greatly, a series of physical and mechanical properties such as stress at definite elongation, elasticity, hardness, tensile strength of especially rubber spare all can improve greatly.
3. Reasonable design and simple structure improve the production efficiency of part.
4. The rubber piece wraps the inner core, and the inner core is prevented from being damaged or broken down due to collision and the like in the working process.
5. Be provided with installation department under installation department and the inner core on the inner core respectively at the both ends of inner core body and make the utility model discloses an installation stability is better.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is a view of the structure of the jacket.
Fig. 3 is a view showing the structure of the lower part of the jacket.
Fig. 4 is a view showing the structure of the rubber member.
Fig. 5 is a top view of the rubber member.
Fig. 6 is a bottom view of the rubber member.
Fig. 7 is a view showing an internal structure of the rubber member.
FIG. 8 is a view of the rubber member and the inner core at the position of the upper mounting portion of the inner core.
FIG. 9 is a view of the rubber member and the inner core at the lower mounting portion of the inner core.
Fig. 10 is a view showing the structure of the inner core.
Figure 11 is a top view of the inner core.
Figure 12 is a bottom view of the inner core.
Reference numbers in the figures:
1. a jacket; 2. a rubber member; 3. an inner core; 11. an installation part; 12. a limiting block; 13. the mounting part is concave; 14. hollowing out a space; 21. the inner side surface of the rubber part; 22. the outer measuring surface of the rubber; 23. a rubber member engaging portion; 24. limiting rubber; 25. hollow conical extension; a middle hollow part; a "mid" like extension; 28. a rubber sheet; 29. an inner rubber leg; 30. an outer rubber leg; 31. a cushion rubber; 32. sinking rubber; 33. extending the outer measuring surface; 34. closing the arc surface; 41. an inner core body; 42. an inner core mounting part; 43. a limiting part; 44. wide contact of rubber; 45. narrow contact of rubber; 46. an inner core engagement portion; 47. connecting the fixing part; an inner core upper mounting portion; 50. an inner core lower mounting portion; 51. a fixing through hole; 52. reinforcing ribs; 53. arranging a reinforcing rib; 54. a lower reinforcing rib; 55. upper weight reduction and hollowing; 56. and the lower part is lightened and hollowed out.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments are only specific illustrations of the present invention, and the purpose thereof is to make the technical solution of the present invention better understood by those skilled in the art, and should not be considered as limitations of the present invention.
Example (b):
as shown in fig. 1, the utility model discloses a take bush suspension of sheet rubber, including overcoat 1, inner core 3 and rubber spare 2, overcoat 1 and inner core 3 install fixedly through rubber spare 2, inner core 3 is wrapped up by rubber spare 2, is provided with the rigidity of this part of this design of sheet rubber 28 can effectual reduction when dynamic environment reaches more than 1000HZ in rubber spare 2, makes the utility model discloses the vibration isolation effect is better under the high frequency condition.
As shown in fig. 2 and 3, the outer sleeve 1 includes an installation portion 11 and a stopper 12, and the stopper 12 is disposed in the installation portion 11; the limiting block 12 improves the overall axial rigidity of the outer sleeve 1 and provides a limiting effect so that the rubber part 2 can accurately reach a preset position.
The mounting part 11 is in a hollow cylinder shape, two end faces of the mounting part are absent, and one end of the mounting part 11 is provided with an isosceles trapezoid-shaped concave part which is a concave 13 of the mounting part and used for positioning during mounting, so that the situation of directional dislocation is prevented, and the mounting and the fixing are convenient; the concave 13 of the mounting part corresponds to the positions of two acute angles of the rhombic column in the inner core body 41; the limiting block 12 is arranged in the mounting part 11 and used for mounting and fixing the rubber part 2; stopper 12 set up in the one end of the installation department 13 of sinking is kept away from to installation department 11 inner wall, stopper 12 is right trapezoid block-shaped, stopper 12's the lower limit face of going to the bottom and the inner wall laminating of installation department 11 inside of stopper 12 be provided with six fretwork spaces 14 and its right angle limit face disappearance mainly used and subtract heavy reduction manufacturing cost, promoted manufacturability simultaneously and prevented that the uneven condition of shrink from appearing also can be used to cushion the impact force.
The inner core 3 comprises an inner core body 41 and an inner core mounting part 42, wherein the inner core mounting part 42 is arranged at two ends of the inner core body 41.
As shown in fig. 10 and 11, the inner core body 41 is in a diamond column shape, and the four included angles of the inner core body 41 are respectively provided with a limiting portion 43 for installation and rigidity reduction, and simultaneously, a limiting function is achieved, so that the limiting portion 43 can be perfectly contacted with the limiting rubber 24 and can limit the displacement of the limiting rubber; the limiting part 43 is in a quadrangular prism shape and is in arc transition with the outer wall of the inner core body 41, the limiting part 43 connected with the obtuse included angle of the inner core body 41 is connected with the inner core body 41 through a wide side surface of the limiting part 43, the limiting part 43 is in rubber wide contact 44, and the limiting part 43 connected with the acute included angle of the inner core body 41 is connected with the inner core body 41 through a narrow side surface of the limiting part 43, and the limiting part 43 is in rubber narrow contact 45; a conical extending inner core connecting part 46 is arranged at one end of the inner core body 41, the bottom side surface of the inner core connecting part 46 is connected with the inner core body 41, a gap for installation is arranged at the position, corresponding to the rubber narrow contact 45, of the inner core connecting part 46 and is a connecting fixing part 47, the rubber narrow contact 45 and the rubber wide contact 44 enable the inner core body 41 and the rubber part 2 to be in closer contact, and the integral installation and fastening degree is higher through the connecting fixing part 47; a core mounting portion 42 is mounted on the core engagement portion 46 and the other end of the core main body 41, respectively.
As shown in fig. 8 and 9, the inner core mounting portion 42 includes an inner core upper mounting portion 49 and an inner core lower mounting portion 50, and is mounted and fixed with a corresponding position of the vehicle through a fixing through hole 51 provided on the inner core upper mounting portion 49 and the inner core lower mounting portion 50, wherein the inner core upper mounting portion 49 is shorter than the inner core lower mounting portion 50 due to a different mounting space from the corresponding mounting position; the inner core upper mounting part 49 and the inner core lower mounting part 50 are both in an oval block shape, one end of the inner core upper mounting part 49 is attached and connected with one end of the inner core body 41 far away from the inner core connecting part 46, one end of the inner core lower mounting part 50 is attached and connected with the inner core connecting part 46, and a fixing through hole 51 for mounting and fixing and a reinforcing rib 52 for reinforcing the inner core upper mounting part 49 and the inner core lower mounting part 50 are arranged on the inner core upper mounting part 49 and the inner core lower mounting part 50 at positions close to the other ends; the reinforcing ribs 52 comprise an upper reinforcing rib 53 and a lower reinforcing rib 54, the upper reinforcing rib 53 and the lower reinforcing rib 54 are both in a triangular sheet shape, the upper reinforcing rib 53 is in a right-angled triangular sheet shape, the right-angled side of the upper reinforcing rib is respectively connected with the inner core upper mounting part 49 and the inner core body 41, the lower reinforcing rib is in an obtuse-angled triangular sheet shape, the truncated edge of the truncated cone side of the lower reinforcing rib is respectively connected with the inner core lower mounting part 50 and the inner core connecting part 46, and the reinforcing ribs ensure that the connection between the inner core mounting part 42 and the inner core connecting part 46 as well as between the inner core bodies 41 is firmer, so that the connection stability of the utility model with the corresponding mounting positions is better; an upper concave weight-reducing hollow 55 is arranged beside the upper reinforcing rib 53, and a lower concave weight-reducing hollow 56 is arranged beside the lower reinforcing rib 54; the upper weight reduction hollow 55 and the lower weight reduction hollow 56 are used for reducing weight and reducing cost.
As shown in fig. 4, 5, 6 and 7, the inner core 3 is wrapped by the rubber member 2, and the rubber member 2 comprises a rubber member inner side surface 21, a rubber member outer side surface 22 and a rubber member joining part 23.
The rubber part inner side surface 21 is in a hollow diamond column shape, four included angles of the rubber part inner side surface 21 are respectively provided with a quadrangular prism-shaped extension limiting rubber 24, one side surface of the limiting rubber 24 is absent, so that the internal space of the limiting rubber 24 is communicated with the internal space of the rubber part inner side surface 21, the included angles between the limiting rubber 24 and the outer wall of the inner core body 41 adopt cambered surface transition and are respectively attached to a rubber wide contact 44 and a rubber narrow contact 45; one end of the inner measuring surface 21 of the rubber part is provided with a hollow conical extension 25, the bottom side surface of the extension is absent to enable the inner space of the hollow conical extension 25 to be communicated with the inner space of the inner measuring surface 21 of the rubber part, a middle-shaped hollow 26 is arranged at the position, corresponding to the vertex, of the side surface of the hollow conical extension 25 and used for installing the inner core 3, the middle-shaped hollow 26 is provided with an outward extension which is a middle-shaped extension 27, the hollow conical extension 25, the middle-shaped hollow 26 and the middle-shaped extension 27 are formed after rubber vulcanization, and therefore the rubber part 2 and the inner core 3 can be assembled more tightly and can achieve a certain effect of buffering axial impact force.
The rubber piece connecting part 23 comprises a rubber sheet 28, an inner rubber leg 29 and an outer rubber leg 30, wherein the rubber sheet 28 is arranged between the inner rubber leg 29 and the outer rubber leg 30; the rubber sheet 28 is rectangular sheet-shaped, two end faces of the rubber sheet 28 are respectively connected with the inner rubber leg 29 and the outer rubber leg 30, and four corners of the rubber sheet 28 are replaced by cambered surfaces to enable the pressure resistance of the rubber sheet to be better; the inner rubber leg 29 and the outer rubber leg 30 are in a rhombic column shape, the inner rubber leg 29 is respectively connected with one end face of the inner side surface 21 of the rubber part and one end face of the rubber sheet 28, and the outer rubber leg 30 is respectively connected with the other end face of the outer side surface 22 of the rubber part and the other end face of the rubber sheet 28; the rubber sheet 28 can effectual reduction this part the rigidity of part when dynamic environment reaches more than 1000HZ, make the utility model discloses the vibration isolation effect is better under the high frequency condition, and rubber sheet 28 also is the connectivity between the rubber part 2 is whole better makes the protection effect of rubber part 2 also obtain better embodiment simultaneously.
The rubber outer measuring surface 22 is in a hollow cylinder shape, two end faces of the rubber outer measuring surface are absent, the inner wall of the rubber outer measuring surface 22 is provided with buffer rubber 31 for reinforcing the integral structure of the rubber outer measuring surface 22, the buffer rubber 31 is arranged between the rubber part connecting parts 23 and is attached to the inner wall of the rubber outer measuring surface 22, one end of the rubber outer measuring surface 22 is provided with a rubber concave 32 corresponding to the concave 13 of the mounting part for positioning between the rubber part and the outer sleeve, and the other end of the rubber outer measuring surface 22 is provided with an outer measuring surface extension 33; the outside measuring surface extension 33 corresponds to the limiting block 12 and is in inclined surface transition with the rubber outside measuring surface 22, the outside measuring surface extension 33 and the middle extension 27 are sealed by a cambered surface which is a sealed cambered surface 34, and the outside measuring surface extension 33 and the area sealed cambered surface 34 corresponding to two obtuse angles of the hollow rhombic column in the rubber piece inside measuring surface 21 are lacked to relieve impact force.
The utility model is composed of an outer sleeve 1 and an inner core 3 which are vulcanized by a rubber part 2, and are pressed into a correspondingly installed power assembly through an outer sleeve installation part 12 to be connected with a vehicle body through a fixed through hole 51 by a bolt; the inner rubber leg 29 and the outer rubber leg 30 of the present invention provide radial static stiffness in the X and Z directions while the stopper 12 is used to provide Y-direction (axial) static stiffness of the part; the limiting part 43 plays a role in limiting in the X direction and the Z direction; the limiting block 12 of the outer sleeve and the 46 of the inner core play a role in limiting in the Y direction; the rubber member engaging portion 23 as a whole has an effect of reducing the dynamic rigidity by 1000HZ or more
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.