CN112628348B - Hydraulic transmission case suspension assembly - Google Patents
Hydraulic transmission case suspension assembly Download PDFInfo
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- CN112628348B CN112628348B CN202011412167.0A CN202011412167A CN112628348B CN 112628348 B CN112628348 B CN 112628348B CN 202011412167 A CN202011412167 A CN 202011412167A CN 112628348 B CN112628348 B CN 112628348B
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- flat bar
- bar pin
- flow channel
- mounting
- inner cage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/025—Support of gearboxes, e.g. torque arms, or attachment to other devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vehicle Body Suspensions (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
The invention discloses a hydraulic transmission case suspension assembly which comprises an outer sleeve, a bushing, a limiting block and a flat rod pin, wherein the bushing is wrapped by the outer sleeve and limited in position through the limiting block; the bushing is of an oval structure, the double flow channels are arranged on the rubber part of the bushing, and the diameter reducing mode is optimized; the length of the flow channel and the volume of the working cavity are increased by changing the shape of the product, so that the product performance is improved, the tooling cost is saved, and the risk of leakage of the product is reduced.
Description
Technical Field
The invention relates to the field of design and manufacture of suspensions, in particular to a hydraulic transmission case suspension assembly.
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 applied to the current automobile industry and is widely used, and generally comprises rubber suspension, hydraulic suspension, air suspension and the like; the hydraulic suspension system has the advantages that the suspension of the hydraulic suspension system is filled with oil, an oil cylinder is used for replacing a common shock absorber in the working process of the system, the weight of a transmission is supported in a mode of increasing or decreasing hydraulic oil, and the vibration of an engine is reduced and transmitted to a vehicle body; the hydraulic mount on the current market all adopts single current way structure and traditional hydraulic bushing pressure equipment mode adopts the frock to impress the bush into the outer lane for interference through design overcoat and rubber bush, leads to its performance unstable while still influence the outward appearance and the sealed effect of product.
Disclosure of Invention
The suspension assembly of the hydraulic transmission case overcomes the defects of the prior art, and has the advantages of simple structure, reasonable design, stable performance, good sealing effect, attractive appearance and low cost.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a hydraulic transmission case suspension assembly comprises an outer sleeve, a bushing, a limiting block and a flat rod pin, wherein the bushing is wrapped by the outer sleeve and limited in position through the limiting block; the bush be oval structure and be provided with the double-flow passage on the rubber spare of bush, it has still optimized the undergauge mode.
Further, bush overall structure is the cylindroid, the bush include inside cage and rubber spare, inside cage is wrapped up by the rubber spare.
Further, the rubber part include rubber part body, link up portion and flat bar round pin installation department, flat bar round pin installation department is enclosed by the rubber part body and is fixed with this body coupling of rubber part through linking up portion.
Furthermore, the rubber part body is integrally in a hollow elliptic cylinder shape, the upper end surface and the lower end surface of the rubber part body are absent, and a liquid storage tank and two conduction tanks are arranged on the outer side wall of the rubber part body and are correspondingly arranged in a triangular shape; the liquid storage tank is arranged at a position corresponding to the side surface of the elliptic cylinder, the inner space of the liquid storage tank is triangular prism-shaped, a rubber part body through hole for placing a steel ball is formed between the inner wall of the liquid storage tank and the lower end of the rubber part body, and the concave part of the liquid storage tank on the inner side wall of the rubber part body is respectively connected with the connecting part and the flat rod pin mounting part; the transmission groove is divided into a first transmission groove and a second transmission groove, and the first transmission groove and the second transmission groove are arranged at the positions corresponding to the elliptic cylinder cambered surfaces, and the inner spaces of the first transmission groove and the second transmission groove are rectangular blocks; the outer side wall of the rubber part body is also provided with a sealing area and a flow channel; the sealing areas are arranged at two ends of the outer side wall of the rubber part body, the sealing area at each end consists of two sealing ribs which surround and attach the rubber part body, and a sealing interval is arranged between the two sealing ribs; the flow channel comprises a body upper flow channel, a body lower flow channel and a communicating flow channel, the body upper flow channel and the body lower flow channel are both strip-shaped and concave, the body upper flow channel is arranged above the liquid storage tank, the first transmission groove and the second transmission groove, one end of the body upper flow channel is communicated with the liquid storage tank, and the other end of the body upper flow channel is communicated with the first transmission groove; the lower body flow channel is arranged below the liquid storage tank, the first transmission and guide groove and the second transmission and guide groove, and one end of the lower body flow channel is communicated with the liquid storage tank while the other end is communicated with the second transmission groove; the communicating flow channel is rectangular, is recessed downwards and is arranged in the middle of the outer side wall of the rubber part body and is positioned in an area between the first conducting groove and the second conducting groove; an inner cage installation space for placing an inner cage is arranged in the side wall of the rubber part body; a rectangular through hole is formed in the junction of the upper end face of the rubber part body and the inner side wall and the outer side wall of the rubber part body, a rectangular through hole is formed in the junction of the outer side wall of the rubber part body and the liquid storage tank, the first transmission guide groove and the second transmission guide groove, and the through hole is communicated with the inner cage installation space.
Furthermore, the inner cage is in a hollow elliptic cylinder shape, the upper end surface and the lower end surface of the inner cage are absent, three rectangular hollows are arranged on the side surface of the inner cage and are respectively a first installation hollow, a second installation hollow and a third installation hollow, the first installation hollow, the second installation hollow and the third installation hollow are correspondingly arranged in a triangular shape, the second installation hollow and the third installation hollow are arranged at positions corresponding to the arc surface of the elliptic cylinder, the first installation hollow is arranged at a position corresponding to the side surface of the elliptic cylinder and corresponds to the liquid storage tank, the second installation hollow corresponds to the first transmission groove, the third installation hollow corresponds to the second transmission groove, and a steel ball through hole for placing a steel ball is arranged between the first installation hollow and the lower end of the inner cage; an inner cage runner is further arranged on the side face of the inner cage and comprises an inner cage middle runner, an inner cage upper runner and an inner cage lower runner, wherein the inner cage upper runner and the inner cage lower runner of the body are both strip-shaped concave grooves, the inner cage upper runner corresponds to the body upper runner and is arranged above the first mounting hollow part, the second mounting hollow part and the third mounting hollow part, and one end of the inner cage upper runner is communicated with the first mounting hollow part while the other end of the inner cage upper runner is communicated with the second mounting hollow part; the lower flow channel of the inner cage corresponds to the lower flow channel of the body and is arranged below the first mounting hollow, the second mounting hollow and the third mounting hollow, one end of the lower flow channel is communicated with the first mounting hollow, and the other end of the lower flow channel is communicated with the third mounting hollow; the rectangular concave part of the middle flow channel corresponds to the communicating flow channel, is arranged in the middle of the outer side wall of the inner cage and is positioned in the area between the second mounting hollow part and the third mounting hollow part; three axial arc-shaped concave-down limiting block fixing grooves are formed in one side, far away from the connecting portion, of the inner side wall of the rubber part body.
Furthermore, the linking part comprises two linking columns, each linking column is in a rhombic column shape and is respectively attached to the inner side wall of the rubber part body and the outer wall of the flat bar pin installation part, and the two linking columns are arranged in a 'eight' -shaped mode and surround the liquid storage tank in the middle.
Furthermore, the flat bar pin installation part is in an isosceles trapezoid column shape, the upper bottom side surface of the flat bar pin installation part is connected with the liquid storage tank, the bevel side surface of the flat bar pin installation part is replaced by an arc surface and is connected with the connecting column, a T-shaped column-shaped extension is arranged on the lower bottom side surface of the flat bar pin installation part, the narrow end surface of the column-shaped extension is connected with the lower bottom side surface of the flat bar pin installation part, the contact surface between the column-shaped extension and the flat bar pin installation part is lost, so that the inner spaces of the column-shaped extension and the flat bar pin installation part are communicated into a flat bar pin installation space, flat bar pin fixing blocks for fixing the flat bar pin are arranged on the wide end surface of the column-shaped extension and the inner wall of the lower bottom side surface of the flat bar pin installation part, each flat bar pin fixing block comprises a main fixing block and four auxiliary fixing blocks, the main fixing blocks are arranged on the inner wall of the wide end surface of the column-shaped extension in a quadrangular shape, and one end of each main fixing block is connected with the column-shaped extension; the auxiliary fixing blocks are arranged on the inner wall of the lower bottom edge surface of the flat bar pin installation part, are positioned at two sides of the main fixing block, and are provided with two auxiliary fixing blocks at each side, each auxiliary fixing block is in a right trapezoid column shape, and the bevel edge surface of each auxiliary fixing block faces the bevel edge surface of the flat bar pin installation part; and main fixing holes and auxiliary fixing holes corresponding to the main fixing block and the four auxiliary fixing blocks are arranged on the flat bar pins.
Furthermore, the whole flat bar pin is in an isosceles trapezoid column shape, the shape of the flat bar pin is consistent with the installation space of the flat bar pin, and flat bar pin fixing parts are arranged at two ends of the flat bar pin; the flat bar pin fixing part is in a semi-elliptical block shape, the plane end of the flat bar pin fixing part is fixedly installed with the flat bar pin, and the cambered surface end of the flat bar pin fixing part is provided with a flat bar pin installation hole for the flat bar pin to be contacted with a corresponding installation part and assembled; the main fixing hole and the auxiliary fixing hole are arranged on the lower bottom side surface of the fixing pin.
Further, the stopper be arc platelike, the cambered surface and the stopper fixed slot contact of stopper, be provided with the stopper installation department in the both sides of stopper, be provided with at the both ends of stopper installation department with the both ends contact of flat stick round pin installation department and make the stopper and the spacing piece that links up of flat stick round pin installation department assembly to the position that corresponds spacing piece that links up at the stopper installation department is provided with linking piece activity space.
Furthermore, the whole outer sleeve is in a hollow elliptic cylinder shape, the upper end surface and the lower end surface of the outer sleeve are missing, the inner diameter of the outer sleeve is enlarged, and contact areas of the side surface of the outer sleeve and the upper end and the lower end of the outer sleeve are replaced by an excessive inclined surface which is an excessive inclined surface; the optimized diameter reduction mode is to manually put the lining into the outer sleeve and then reduce the diameter of the lining through the outer sleeve with the enlarged inner diameter.
The invention has the beneficial effects that:
1. the invention adopts a double-flow-passage system, can effectively increase the length of a flow passage and the sectional area of the flow passage, has stable product performance, does not generate mixed flow, and has more stable damping curve compared with the traditional hydraulic suspension.
2. The invention adopts the outer sleeve with the enlarged inner diameter, and the outer sleeve is manually put in and then reduced in diameter, so that the problems that the appearance of a product is influenced by the turning-out of the reinforcing rib caused by press mounting by using a tool and the like are solved, and the risk of leakage of the product is reduced; meanwhile, the tool is directly placed manually, so that the tool cost is saved.
3. The bushing is designed to be oval, and the length of a flow channel and the volume of a working cavity are increased by changing the shape of a product in a limited space, so that the optimal performance state of the bushing is achieved.
Drawings
Fig. 1 is an overall structural view of the present invention.
FIG. 2 is a cross-sectional view of the present invention.
Fig. 3 is a view showing a structure of a bush.
Fig. 4 is a front view of the bushing.
Fig. 5 is a right side view of the bushing.
Fig. 6 is a rear view of the bushing.
Fig. 7 is a left side view of the bushing.
Fig. 8 is a top view of the bushing.
Fig. 9 is a bottom view of the bushing.
Fig. 10 is a front view of the inner cage.
Fig. 11 is a right side view of the inner cage.
Fig. 12 is a rear view of the inner cage.
Fig. 13 is a left side view of the inner cage.
FIG. 14 is a top view of the inner cage.
Fig. 15 is a bottom view of the inner cage.
Fig. 16 is a front view of a spade pin.
Figure 17 is a back view of the spade pin.
Fig. 18 is a stopper view.
Fig. 19 is a bottom view of the stop block.
Figure 20 is a view of the jacket.
Reference numbers in the figures:
1. a jacket; 2. a bushing; 3. a limiting block; 4. a flat bar pin; 5. a rubber member; 6. a rubber member body; 7. an inner cage; 8. a joining section; 9. a flat bar pin mounting section; 10. steel balls; 11. a transition slope; 31. a limit joining block; 32. the connecting block is a movable space; 41. a flat bar pin fixing part; 42. flat bar pin mounting holes; 43. a main fixing hole; 44. a secondary fixing hole; 51. a liquid storage tank; 52. a transmission groove; 53. a flow channel; 54. a first conveying groove; 55. a second conveying guide groove; 56. a sealing region; 57. sealing the ribs; 58. sealing the space; 59. a main body upper flow passage; 60. a lower runner of the body; 61. a flow passage is communicated; 62. an inner cage mounting space; 63. a rectangular through hole; 64. a through hole of the rubber part body; 65. a limiting block fixing groove; 71. a first mounting hollow part; 72. a second mounting hollow part; 73. thirdly, hollowing out; 74. steel ball through holes; 75. a flow passage in the middle of the inner cage; 76. an inner cage upper flow passage; 77. an inner cage lower flow path; 81. connecting the column; 91. columnar extension; 92. a narrow end face; 93. a flat bar pin mounting space; 94. a wide end face; 95. a flat bar pin fixing block; 96. a main fixed block; 97. and an auxiliary fixing block.
Detailed Description
The invention is further described with reference to the following figures and specific examples. It should be noted that the examples are only specific illustrations of the present invention, and are intended to make the technical solutions of the present invention better understood by those skilled in the art, and should not be construed as limiting the present invention.
The embodiment is as follows:
as shown in fig. 1, the invention discloses a hydraulic transmission case suspension assembly, which comprises an outer sleeve 1, a bushing 2, a limit block 3 and a flat rod pin 4, wherein the bushing 2 is wrapped by the outer sleeve 1 and limited in position by the limit block 3, and the flat rod pin 4 is arranged in a flat rod pin installation space 93 of the bushing 2; the bushing 2 is of an oval structure, the double flow channels 53 are formed in the rubber part 5 of the bushing 2, and the diameter reducing mode is optimized; the length of the flow channel 53 and the volume of the working cavity are increased by changing the shape of the product, so that the product performance is improved, the tooling cost is saved, and the risk of leakage of the product is reduced.
As shown in fig. 3, the overall structure of the bushing 2 is in an elliptic cylinder shape, and the length of the flow passage 53 and the volume of the working chamber are increased by changing the shape of the product in a limited space, so that the optimal performance state of the invention is achieved; the bush 2 include inside cage 7 and rubber spare 5, inside cage 7 is wrapped up by rubber spare 5 for inside cage 7 makes its overall stability promote as the support of rubber spare 5.
The rubber part 5 comprises a rubber part body 6, a joint part 8 and a flat rod pin mounting part 9, wherein the flat rod pin mounting part 9 is surrounded by the rubber part body 6 and is fixedly connected with the rubber part body 6 through the joint part 8.
As shown in fig. 2, 4, 5, 6, 7, 8 and 9, the rubber element body 6 is hollow elliptic cylinder-shaped as a whole, the upper end surface and the lower end surface of the rubber element body are absent, a liquid storage tank 51 and two conduction tanks 52 are arranged on the outer side wall of the rubber element body 6, the oil liquid in the hydraulic suspension is stored in the liquid storage tank 51, the conduction tanks 52 and the flow channels 53 are communicated with the oil liquid, and the three are arranged in a triangular shape correspondingly, so that the distances between the three are equal, and the oil liquid in the rubber element body is stable when the oil liquid works and circulates; the liquid storage tank 51 is arranged at a position corresponding to the side surface of the elliptic cylinder, the inner space of the liquid storage tank 51 is triangular prism-shaped, a rubber part body through hole 64 for placing a steel ball 10 is formed between the inner wall of the liquid storage tank 51 and the lower end of the rubber part body 6, and the concave part of the liquid storage tank 51 on the inner side wall of the rubber part body 6 is respectively connected with the connecting part 8 and the flat rod pin mounting part 9; the conducting groove 52 is divided into a first conducting groove 54 and a second conducting groove 55, the first conducting groove 54 and the second conducting groove 55 are arranged at the positions corresponding to the arc surfaces of the elliptic cylinder, and the inner space of the first conducting groove 54 and the second conducting groove 55 is in a rectangular block shape; the outer side wall of the rubber part body 6 is also provided with a sealing area 56 and a flow passage 53; the sealing areas are arranged at two ends of the outer side wall of the rubber part body 6, the sealing area 56 at each end is composed of two sealing ribs 57 which surround and attach the rubber part body 6, a sealing interval 58 is arranged between the two sealing ribs 57, the sealing ribs 57 can prevent liquid from overflowing and air from entering a hydraulic system, and the two sealing ribs 57 can ensure that the sealing effect is better; the flow channel 53 comprises a body upper flow channel 59, a body lower flow channel 60 and a communication flow channel 61, the body upper flow channel 59 and the body lower flow channel 60 are both strip-shaped concave, the body upper flow channel 59 is arranged above the liquid storage tank 51, the first transmission guide groove 54 and the second transmission guide groove 55, one end of the body upper flow channel 59 is communicated with the liquid storage tank 51, and the other end of the body upper flow channel is communicated with the first transmission guide groove 54; the body lower runner 60 is arranged below the liquid storage tank 51, the first transmission guide groove 54 and the second transmission guide groove 55, one end of the body lower runner is communicated with the liquid storage tank 51, the other end of the body lower runner is communicated with the second transmission guide groove 55, and the length of the runner 53 and the sectional area of the runner 53 are effectively increased by the body upper runner 59 and the body lower runner 60, so that the performance of the invention is stable, and the mixed flow phenomenon cannot occur; the communicating flow channel 61 is rectangular and is arranged at the middle position of the outer side wall of the rubber part body 6 and is positioned in the area between the first transmission groove 54 and the second transmission groove 55, so that oil can flow in the first transmission groove 54 and the second transmission groove 55; an inner cage installation space 62 for placing the inner cage 7 is provided in the side wall of the rubber member body 6 for placing the inner cage 7; the junction between the upper end surface of the rubber part body 6 and the inner side wall and the outer side wall of the rubber part body 6 is provided with a rectangular through hole 63, the junction between the outer side wall of the rubber part body 6 and the liquid storage tank 51, the first transmission groove 54 and the second transmission groove 55 is provided with the rectangular through hole 63, and the through hole is communicated with the inner cage installation space 62, so that the inner cage 7 and the rubber part body 6 can be conveniently installed, and air cannot be mixed between the inner cage 7 and the rubber part body 6.
As shown in fig. 10, 11, 12, 13, 14, and 15, the inner cage 7 is a hollow elliptic cylinder, the upper end surface and the lower end surface of the inner cage are absent, three rectangular hollow parts are respectively provided on the side surface of the inner cage 7, the first mounting hollow part 71, the second mounting hollow part 72, and the third mounting hollow part 73, and the three parts are arranged in a triangular shape, the second mounting hollow part 72 and the third mounting hollow part 73 are arranged at positions corresponding to the arc surfaces of the elliptic cylinder, the first mounting hollow part 71 is arranged at a position corresponding to the side surface of the elliptic cylinder and corresponds to the liquid storage tank 51, the second mounting hollow part 72 corresponds to the first transmission groove 54, the third mounting hollow part 73 corresponds to the second transmission groove 55, and a steel ball through hole 74 is provided between the first mounting hollow part 71 and the lower end of the inner cage 7 for placing the steel ball 10; an inner cage 7 runner 53 is further arranged on the side face of the inner cage 7, the inner cage 7 runner 53 comprises an inner cage middle runner 75, an inner cage upper runner 76 and an inner cage lower runner 77, the inner cage upper runner 76 and the inner cage lower runner 77 of the body are both strip-shaped concave, the inner cage upper runner 76 corresponds to the body upper runner 59 and is arranged above the first mounting hollow 71, the second mounting hollow 72 and the third mounting hollow 73, and one end of the inner cage upper runner is communicated with the first mounting hollow 71 while the other end is communicated with the second mounting hollow 72; the inner cage lower flow passage 77 corresponds to the body lower flow passage 60, is arranged below the first mounting hollow 71, the second mounting hollow 72 and the third mounting hollow 73, and has one end communicated with the first mounting hollow 71 and the other end communicated with the third mounting hollow 73; the rectangular recess of the middle flow channel 53 corresponds to the communication flow channel 61, is arranged in the middle of the outer side wall of the inner cage 7 and is located in the area between the second mounting hollow 72 and the third mounting hollow 73; three axial arc-shaped concave limiting block fixing grooves 65 are formed in one side, far away from the connecting part 8, of the inner side wall of the rubber part body 6 and used for limiting the positions of the limiting blocks 3; the first mounting hollow 71, the second mounting hollow 72 and the third mounting hollow 73 correspond to the liquid storage tank 51, the first transmission groove 54 and the second transmission groove 55 respectively, and the body upper flow channel 59, the body lower flow channel 60 and the communication flow channel 61 correspond to the inner cage upper flow channel 76, the inner cage lower flow channel 77 and the middle flow channel 53 respectively, so that the inner cage 7 and the rubber part body 6 are assembled more closely.
As shown in fig. 3, 8 and 9, the connecting portion 8 is composed of two connecting columns 81, each connecting column 81 is in a diamond column shape and is respectively attached to the inner side wall of the rubber member body 6 and the outer wall of the flat bar pin mounting portion 9, and the two connecting columns 81 are in a shape like a Chinese character 'ba' and surround the liquid storage tank 51 in the middle.
The flat bar pin mounting part 9 is in an isosceles trapezoid column shape, the upper bottom side surface thereof is connected with the liquid storage tank 51, the bevel edge surface is replaced by an arc surface and is connected with the connecting column 81, a T-shaped columnar extension 91 is arranged on the lower bottom edge surface of the bevel edge surface, the narrow end surface 92 of the columnar extension 91 is connected with the lower bottom edge surface of the flat bar pin installation part 9, the contact surface between the columnar extension 91 and the flat bar pin installation part 9 is lost, so that the inner spaces of the two are communicated into a flat bar pin installation space 93, a flat bar pin fixing block 95 for fixing the flat bar pin 4 is arranged on the wide end surface 94 of the columnar extension 91 and the inner wall of the lower bottom side surface of the flat bar pin installation part 9, the flat bar pin fixing block 95 comprises a main fixing block 96 and four auxiliary fixing blocks 97, the main fixing block 96 is arranged on the inner wall of the wide end surface 94 of the columnar extension 91 in a quadrangular prism shape, and one end of the main fixing block 96 is connected with the columnar extension 91; the auxiliary fixing blocks 97 are arranged on the inner wall of the lower bottom edge surface of the flat bar pin installation part 9, are positioned at two sides of the main fixing block 96, and are provided with two auxiliary fixing blocks 97 at each side, and each auxiliary fixing block 97 is in a right-angled trapezoid column shape, and the inclined edge surface of each auxiliary fixing block 97 faces the inclined edge surface of the flat bar pin installation part 9; the flat bar pin 4 is provided with a main fixing hole 43 and an auxiliary fixing hole 44 corresponding to the main fixing block 96 and the four auxiliary fixing blocks 97; the flat bar pin mounting part 9 is more firmly assembled between the bar pin fixing block and the flat bar pin 4, and the four auxiliary fixing blocks 97 play an auxiliary fixing role at four corners so that the flat bar pin 4 is not easy to loosen after being mounted.
As shown in fig. 16 and 17, the flat bar pin 4 is in an isosceles trapezoid column shape as a whole, and has a shape corresponding to the flat bar pin installation space 93, and flat bar pin fixing parts 41 are provided at both ends of the flat bar pin 4; the flat bar pin fixing part 41 is in a semi-elliptical block shape, the plane end of the flat bar pin fixing part 41 is fixedly installed with the flat bar pin 4, and the cambered surface end of the flat bar pin fixing part is provided with a flat bar pin installation hole 42 for the flat bar pin 4 to be contacted with a corresponding installation part and assembled; the main fixing hole 43 and the sub fixing hole 44 are provided on the lower bottom surface of the fixing pin.
As shown in fig. 18 and 19, the stopper 3 is arc-shaped plate-shaped, the arc surface of the stopper 3 contacts with the stopper fixing groove 65, stopper 3 mounting portions are arranged on two sides of the stopper 3, both ends of the stopper 3 mounting portions are provided with limit joining blocks 31 which contact with both ends of the flat rod pin mounting portion 9 and enable the stopper 3 to be assembled with the flat rod pin mounting portion 9, and a joining block moving space 32 is arranged at a position of the stopper 3 mounting portion corresponding to the limit joining block 31, so that the stopper 3 mounting portions can move when the stopper 3 is disassembled and assembled.
As shown in fig. 20, the outer sleeve 1 is in a hollow elliptic cylinder shape as a whole, the upper end face and the lower end face of the outer sleeve 1 are absent, the inner diameter of the outer sleeve 1 is enlarged, and the contact areas between the side edge face of the outer sleeve 1 and the upper end face and the lower end face of the outer sleeve 1 are replaced by an excessive inclined face which is an excessive inclined face 11; the optimized diameter reduction mode is that the bush 2 is manually placed into the outer sleeve 1 through the outer sleeve 1 with the enlarged inner diameter and then diameter reduction is carried out; the problem that the appearance of a product is affected due to the fact that the reinforcing ribs are turned out when a tool is used for press mounting is solved, and the risk of liquid leakage of the product is reduced; meanwhile, the tool is manually and directly placed, so that the tool cost is saved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (8)
1. A hydraulic transmission case suspension assembly is characterized by comprising an outer sleeve, a bushing, a limiting block and a flat rod pin, wherein the bushing is wrapped by the outer sleeve and limited in position through the limiting block; the bushing is of an oval structure, and the rubber part of the bushing is provided with double flow channels, so that the diameter reducing mode is optimized; the bushing comprises an inner cage and a rubber part, and the inner cage is wrapped by the rubber part; the rubber part comprises a rubber part body, a joint part and a flat bar pin installation part, and the flat bar pin installation part is surrounded by the rubber part body and is fixedly connected with the rubber part body through the joint part; the rubber part body is integrally in a hollow elliptic cylinder shape, the upper end surface and the lower end surface of the rubber part body are absent, and a liquid storage tank and two conduction tanks are arranged on the outer side wall of the rubber part body and are correspondingly arranged in a triangular shape; the liquid storage tank is arranged at a position corresponding to the side surface of the elliptic cylinder, and the inner space of the liquid storage tank is triangular prism-shaped; the transmission groove is divided into a first transmission groove and a second transmission groove, and the first transmission groove and the second transmission groove are arranged at the positions corresponding to the elliptic cylinder cambered surfaces, and the inner spaces of the first transmission groove and the second transmission groove are rectangular blocks; the outer side wall of the rubber part body is provided with a flow channel, the flow channel comprises a body upper flow channel, a body lower flow channel and a communication flow channel, the body upper flow channel and the body lower flow channel are both strip-shaped concave grooves, the body upper flow channel is arranged above the liquid storage tank, the first transmission guide groove and the second transmission guide groove, one end of the body upper flow channel is communicated with the liquid storage tank, and the other end of the body upper flow channel is communicated with the first transmission guide groove; the lower flow channel of the body is arranged below the liquid storage tank, the first conduction groove and the second conduction groove, one end of the lower flow channel is communicated with the liquid storage tank, and the other end of the lower flow channel is communicated with the second conduction groove; the communicating flow channel is rectangular, is downwards recessed and is arranged in the middle of the outer side wall of the rubber part body and is positioned in an area between the first conducting groove and the second conducting groove.
2. The hydraulic transmission case suspension assembly of claim 1, wherein a rubber member body through hole is formed between the inner wall of the liquid storage tank and the lower end of the rubber member body for placing a steel ball, and the concave part of the liquid storage tank on the inner side wall of the rubber member body is connected with the joining part and the flat bar pin mounting part respectively; a sealing area is also arranged on the outer side wall of the rubber part body; the sealing areas are arranged at two ends of the outer side wall of the rubber part body, the sealing area at each end consists of two sealing ribs which surround and attach the rubber part body, and a sealing interval is arranged between the two sealing ribs; an inner cage installation space for placing an inner cage is arranged in the side wall of the rubber part body; a rectangular through hole is formed in the junction of the upper end face of the rubber part body and the inner side wall and the outer side wall of the rubber part body, a rectangular through hole is formed in the junction of the outer side wall of the rubber part body and the liquid storage tank, the first transmission guide groove and the second transmission guide groove, and the through hole is communicated with the inner cage installation space.
3. The hydraulic transmission case suspension assembly as recited in claim 2, wherein the inner cage is a hollow elliptic cylinder and lacks of the upper end surface and the lower end surface, three rectangular hollows are arranged on the side surface of the inner cage and are respectively a first mounting hollow, a second mounting hollow and a third mounting hollow, and the three are arranged correspondingly in a triangular shape, the second mounting hollow and the third mounting hollow are arranged at positions corresponding to the arc surface of the elliptic cylinder, the first mounting hollow is arranged at a position corresponding to the side surface of the elliptic cylinder and corresponds to the liquid storage tank, the second mounting hollow corresponds to the first transmission groove, the third mounting hollow corresponds to the second transmission groove, and a steel ball through hole for placing a steel ball is arranged between the first mounting hollow and the lower end of the inner cage; an inner cage runner is further arranged on the side face of the inner cage and comprises an inner cage middle runner, an inner cage upper runner and an inner cage lower runner, wherein the inner cage upper runner and the inner cage lower runner of the body are both strip-shaped concave grooves, the inner cage upper runner corresponds to the body upper runner and is arranged above the first mounting hollow part, the second mounting hollow part and the third mounting hollow part, and one end of the inner cage upper runner is communicated with the first mounting hollow part while the other end of the inner cage upper runner is communicated with the second mounting hollow part; the lower flow channel of the inner cage corresponds to the lower flow channel of the body and is arranged below the first mounting hollow, the second mounting hollow and the third mounting hollow, one end of the lower flow channel is communicated with the first mounting hollow, and the other end of the lower flow channel is communicated with the third mounting hollow; the rectangular concave part of the middle flow channel corresponds to the communicating flow channel, is arranged in the middle of the outer side wall of the inner cage and is positioned in the area between the second mounting hollow part and the third mounting hollow part; three axial arc-shaped concave-down limiting block fixing grooves are formed in one side, far away from the connecting portion, of the inner side wall of the rubber part body.
4. The hydraulic transmission case suspension assembly of claim 2, wherein the connection part comprises two connection columns, each connection column is in a diamond column shape and is respectively connected with the inner side wall of the rubber part body and the outer wall of the flat bar pin installation part in an attaching mode, and the two connection columns are arranged in a splayed mode to surround the liquid storage tank in the middle.
5. The hydraulic transmission case suspension assembly of claim 4, wherein the flat bar pin mounting portion is in the shape of an isosceles trapezoid column, the upper bottom side is connected with the liquid storage tank, the bevel side is replaced by a cambered surface and is connected with the connecting column, a T-shaped columnar extension is arranged on the lower bottom edge face of the flat bar pin mounting part, the narrow end face of the columnar extension is connected with the lower bottom edge face of the flat bar pin mounting part, and the contact surface between the columnar extension and the flat bar pin mounting part is lost so that the inner spaces of the columnar extension and the flat bar pin mounting part are communicated to form a flat bar pin mounting space, a flat bar pin fixing block for fixing the flat bar pin is arranged on the inner wall of the wide end surface of the columnar extension and the lower bottom side surface of the flat bar pin installation part, the flat bar pin fixing block comprises a main fixing block and four auxiliary fixing blocks, the main fixing block is arranged on the inner wall of the wide end face of the columnar extension in a quadrangular shape, and one end of the main fixing block is connected with the columnar extension; the auxiliary fixing blocks are arranged on the inner wall of the lower bottom edge surface of the flat bar pin installation part, are positioned at two sides of the main fixing block, and are provided with two auxiliary fixing blocks at each side, each auxiliary fixing block is in a right trapezoid column shape, and the bevel edge surface of each auxiliary fixing block faces the bevel edge surface of the flat bar pin installation part; and main fixing holes and auxiliary fixing holes corresponding to the main fixing block and the four auxiliary fixing blocks are arranged on the flat bar pins.
6. The hydraulic transmission case suspension assembly of claim 5, wherein the flat bar pin is entirely in the shape of an isosceles trapezoid column, the shape of the flat bar pin is consistent with the installation space of the flat bar pin, and flat bar pin fixing parts are arranged at two ends of the flat bar pin; the flat bar pin fixing part is in a semi-elliptical block shape, the plane end of the flat bar pin fixing part is fixedly installed with the flat bar pin, and the cambered surface end of the flat bar pin fixing part is provided with a flat bar pin installation hole for the flat bar pin to be contacted with a corresponding installation part and assembled; the main fixing hole and the auxiliary fixing hole are arranged on the lower bottom side surface of the fixing pin.
7. The hydraulic transmission case suspension assembly as recited in claim 3, wherein the stopper is arc-shaped, the arc surface of the stopper contacts with the stopper fixing groove, stopper mounting portions are provided on both sides of the stopper, a limit connecting block is provided at both ends of the stopper mounting portion, the limit connecting block contacts with both ends of the flat bar pin mounting portion and assembles the stopper with the flat bar pin mounting portion, and a connecting block moving space is provided at a position of the stopper mounting portion corresponding to the limit connecting block.
8. The hydraulic transmission case suspension assembly as recited in claim 1, wherein the outer casing is formed in a hollow elliptic cylinder shape as a whole, the upper end surface and the lower end surface of the outer casing are missing, the inner diameter of the outer casing is enlarged, and the contact area between the side surface of the outer casing and the upper end surface and the lower end surface of the outer casing is replaced by an inclined surface for transition, which is an excessive inclined surface; the optimized diameter reduction mode is that the bush is put into the outer sleeve through the outer sleeve with the enlarged inner diameter and then the diameter reduction is carried out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412167.0A CN112628348B (en) | 2020-12-04 | 2020-12-04 | Hydraulic transmission case suspension assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412167.0A CN112628348B (en) | 2020-12-04 | 2020-12-04 | Hydraulic transmission case suspension assembly |
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| CN112628348B true CN112628348B (en) | 2022-07-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114655004B (en) * | 2022-03-31 | 2024-10-29 | 上汽通用五菱汽车股份有限公司 | Torsion bar suspension |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047417A (en) * | 1996-07-30 | 1998-02-20 | Toyo Tire & Rubber Co Ltd | Liquid filled bush |
| JPH10259850A (en) * | 1997-03-21 | 1998-09-29 | Toyo Tire & Rubber Co Ltd | Liquid filled bush |
| CN201739421U (en) * | 2010-05-27 | 2011-02-09 | 上海汽车集团股份有限公司 | Hydraulic suspension system |
| CN103307194A (en) * | 2012-03-16 | 2013-09-18 | 上海骆氏减震件有限公司 | Vibration isolation suspension |
| CN209852006U (en) * | 2019-04-23 | 2019-12-27 | 建新赵氏科技有限公司 | Rear bushing structure of automobile rear auxiliary frame |
-
2020
- 2020-12-04 CN CN202011412167.0A patent/CN112628348B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047417A (en) * | 1996-07-30 | 1998-02-20 | Toyo Tire & Rubber Co Ltd | Liquid filled bush |
| JPH10259850A (en) * | 1997-03-21 | 1998-09-29 | Toyo Tire & Rubber Co Ltd | Liquid filled bush |
| CN201739421U (en) * | 2010-05-27 | 2011-02-09 | 上海汽车集团股份有限公司 | Hydraulic suspension system |
| CN103307194A (en) * | 2012-03-16 | 2013-09-18 | 上海骆氏减震件有限公司 | Vibration isolation suspension |
| CN209852006U (en) * | 2019-04-23 | 2019-12-27 | 建新赵氏科技有限公司 | Rear bushing structure of automobile rear auxiliary frame |
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| CN112628348A (en) | 2021-04-09 |
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