CN113653728B - Integrated support spherical hinge and assembling method thereof - Google Patents
Integrated support spherical hinge and assembling method thereof Download PDFInfo
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- CN113653728B CN113653728B CN202110908861.XA CN202110908861A CN113653728B CN 113653728 B CN113653728 B CN 113653728B CN 202110908861 A CN202110908861 A CN 202110908861A CN 113653728 B CN113653728 B CN 113653728B
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0666—Sealing means between the socket and the inner member shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
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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
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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)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to the technical field of damping of railway vehicles, and particularly discloses a structural design method of an integrated supporting spherical hinge, wherein the supporting spherical hinge comprises an inner sleeve and a rubber sleeve, the inner sleeve is of a two-piece tile type structure which is oppositely arranged, the two-piece inner sleeve is attached to the end surface in an oppositely arranged manner, and the integrated supporting spherical hinge is formed by arranging the integrated rubber sleeve outside the oppositely arranged two-piece inner sleeve; an axial folding concave surface is arranged at a position, located at the first butt joint surface of the two-petal inner sleeve, of the integrated rubber sleeve, and an axial opening which is axially symmetrical to the folding concave surface along a spherical hinge is arranged at a position, located at the second butt joint surface of the two-petal inner sleeve, of the integrated rubber sleeve; the spherical hinge can be folded through the folding concave surface and opened towards two sides at the opening so as to be sleeved on the torsion bar. The invention also discloses an assembling method of the integrated support spherical hinge.
Description
Technical Field
The invention relates to an integrated supporting spherical hinge and an assembling method thereof, and belongs to the technical field of rail vehicle damping.
Background
The support ball pivot is generally used in an anti-side-rolling torsion bar system of a railway vehicle, is arranged in a mounting seat of the anti-side-rolling torsion bar system on a torsion bar, mainly plays a role in damping and connecting and supporting, and is particularly used for damping the torsion bar system and connecting and supporting the torsion bar and the mounting seat. The existing supporting spherical hinge is mostly of a two-petal tile type structure as shown in fig. 1, and comprises a first petal spherical hinge 1 and a second petal spherical hinge 2, wherein the first petal spherical hinge 1 comprises a first petal inner sleeve 101 and a first petal rubber sleeve 102, and the second petal spherical hinge 2 comprises a second petal inner sleeve 201 and a second petal rubber sleeve 202; during assembly, the first petal spherical hinge 1 and the second petal spherical hinge 2 are oppositely arranged and sleeved on the outer side of the torsion bar, and then the two petal type mounting bases are oppositely pressed on the outer sides of the first petal spherical hinge 1 and the second petal spherical hinge 2 to tightly press the first petal spherical hinge 1 and the second petal spherical hinge 2. The existing supporting spherical hinge has the following problems:
1. the radius and the coaxiality of the two-segment spherical hinge are difficult to ensure in the processing process of the two-segment supporting spherical hinge with the two-segment tile-type structure, and the shock absorption and the connection supporting effect of the supporting spherical hinge are influenced; meanwhile, the two spherical hinges and other parts cannot be accurately positioned, so that the mounting difficulty of the two spherical hinges and other parts is increased.
2. The rubber sleeve profile I3 on one side of the outer end faces of the first petal spherical hinge 1 and the second petal spherical hinge 2 in the circumferential direction is different from the rubber sleeve profile II 4 on the other side, namely, the sealing glue part of each petal spherical hinge is of an asymmetric structure, so that the sealing effect is poor, the problems of dust prevention and poor waterproofness at two ends of the spherical hinge are caused, the corrosion damage of a torsion bar is easily caused, and the service life of a product is shortened.
3. In the assembling process of the split spherical hinge, a workpiece is required to be used for firstly sleeving and pressing the first segment spherical hinge 1 on one side of the torsion bar, then a second workpiece is used for oppositely sleeving and pressing the second segment spherical hinge 2 and the first segment spherical hinge 1 on the other side of the torsion bar relative to the first segment spherical hinge 1, at the moment, in order to avoid the first segment spherical hinge 1 and the second segment spherical hinge 2 from falling off, the first workpiece and the second workpiece need to simultaneously press the first segment spherical hinge 1 and the second segment spherical hinge 2, and then the two segment oppositely installed spherical hinges are pressed by using the two segment type mounting seats.
Disclosure of Invention
The invention aims to provide an integrated supporting spherical hinge, which can ensure the integral coaxiality of the supporting spherical hinge and the damping effect and the connecting and supporting effect of the supporting spherical hinge by arranging a two-piece supporting spherical hinge in the prior art into the integrated supporting spherical hinge; meanwhile, the spherical hinge can be accurately positioned with other parts during assembly, and the installation difficulty is reduced. The invention further provides an assembling method of the integrated support spherical hinge.
In order to achieve the purpose, the invention provides the following technical scheme: an integrated supporting spherical hinge comprises an inner sleeve and a rubber sleeve, wherein the inner sleeve is of an oppositely-mounted two-piece tile type structure, the two-piece inner sleeve is attached to and oppositely mounted at the side end face, and the integrated rubber sleeve is arranged on the outer side of the oppositely-mounted two-piece inner sleeve to form the integrated supporting spherical hinge; an axial folding concave surface is arranged at a position, located at the first butt joint surface of the two-petal inner sleeve, of the integrated rubber sleeve, and an axial opening which is axially symmetrical to the folding concave surface along a spherical hinge is arranged at a position, located at the second butt joint surface of the two-petal inner sleeve, of the integrated rubber sleeve; the spherical hinge can be folded through the folding concave surface and opened towards two sides at the opening so as to be sleeved on the torsion bar.
Preferably, a plurality of sealing portions are formed to protect the torsion bar, and the sealing portions include a sealing convex portion and a sealing concave portion.
Preferably, the tooth-shaped structure includes a first sealing protrusion wrapped outside the outer end surface of the inner sleeve in the circumferential direction and protruding toward the inner side of the ball joint, a second sealing protrusion located between the first sealing protrusion and the rubber end surface and protruding toward the outer side of the ball joint, and a second sealing protrusion connecting the first sealing protrusion and the rubber end surface and protruding toward the inner side of the ball joint.
Preferably, the tooth tips of the first sealing convex portion, the second sealing concave portion and the first sealing convex portion are arc tooth tips, and the tooth tip radius R1 of the first sealing concave portion is set to be larger than the radius R2 of the tooth tip of the first sealing convex portion and the radius R3 of the tooth tip of the second sealing convex portion.
Preferably, the rubber profile at the connection position of the first sealing convex part and the outer end face in the circumferential direction of the inner sleeve is set to be a circular arc-shaped connection face, and the radius R4 of the connection face is set to be 0.5mm-1 mm.
Preferably, a concave waist part which is concave inwards towards the inner side of the ball hinge is arranged at the lower part of the rubber end surface, so that the assembly and the sealing between the ball hinge and the mounting seat are facilitated.
Preferably, two positioning grooves are oppositely formed in the side end faces of the two-petal inner sleeves at the second butting face, the first positioning groove is located at one side corner of one side end face of the inner sleeve, the second positioning groove is located at the other side corner of the two side end faces of the inner sleeve, opposite to the first positioning groove, and the two positioning grooves are used for positioning the inner sleeves when rubber is vulcanized in the mold.
Preferably, a positioning boss is arranged in the middle of the outer peripheral surface of the integrated rubber sleeve, so that the assembly between the spherical hinge and the mounting seat is facilitated, and the spherical hinge is prevented from shaking in the axial direction.
An assembling method of an integrated supporting spherical hinge comprises the following specific assembling steps:
the first step is as follows: opening the integrated supporting spherical hinge from the opening of the second butt joint surface of the two inner sleeves to two sides by using a tool, and simultaneously folding the supporting spherical hinge at the folding concave surface of the rubber sleeve so as to be convenient for the spherical hinge to be opened;
the second step: sleeving the support spherical hinge on the torsion bar from the opening, and slightly rotating the support spherical hinge until the position of the support spherical hinge far away from the opening is stably supported on the torsion bar;
the third step: loosening the tool;
the fourth step: and the two-petal type mounting seat is oppositely arranged and pressed on the outer side of the support spherical hinge to compress the support spherical hinge, so that the support spherical hinge is mounted on the torsion bar.
Has the beneficial effects that:
1. the two-segment type support spherical hinge in the prior art is arranged into the integrated support spherical hinge, so that the overall coaxiality and concentricity of the support spherical hinge can be ensured, the radial rigidity of the support spherical hinge is increased, and the damping effect and the connection support effect of the support spherical hinge are ensured; support the ball pivot simultaneously and can also with other parts accurate positioning when the equipment, reduced the installation degree of difficulty.
2. The sealing surfaces of the integrated rubber sleeves on the inner sides of the rubber end surfaces in the circumferential direction of the two ends are arranged into a symmetrical type surface structure, so that better sealing can be performed between the support spherical hinge and the torsion bar, and substances such as dust, water and the like are prevented from entering the support spherical hinge from the sealing surfaces to cause corrosion damage to the torsion bar; by providing the seal surface with a "tooth-shaped structure", a plurality of seal portions can be formed to protect the torsion bar in multiple layers.
3. The lower parts of the rubber end surfaces of the integrated rubber sleeve in the circumferential directions of the two ends are provided with concave waist parts which are inwards concave towards the inner sides of the spherical hinges, so that the precise positioning assembly and sealing between the spherical hinges and the mounting seats can be facilitated; set up the location boss in the outer peripheral face middle part of integral type rubber sleeve, can be convenient for the accurate location assembly between ball pivot and the mount pad, can prevent to support the ball pivot simultaneously and rock in the axial.
Drawings
Fig. 1 is a schematic structural diagram of a conventional supporting ball hinge in the background art.
Fig. 2 is a schematic perspective view of an integrated supporting spherical hinge in an embodiment.
Fig. 3 is a schematic perspective view of an integrated supporting spherical hinge in an embodiment.
Fig. 4 is a sectional view taken along the line a-a in fig. 2.
Fig. 5 is a partial enlarged view of fig. 4 at N.
The reference numerals include: 1. a first petal spherical hinge; 101. a first petal spherical hinge inner sleeve; 102. the first section of spherical hinge rubber sleeve; 2. a second petal spherical hinge; 201. a first petal spherical hinge inner sleeve; 202. the first section of spherical hinge rubber sleeve; 3. the first molded surface of the rubber sleeve; 4. a second rubber sleeve molding surface; 5. a first inner sleeve; 6. a second inner sleeve; 7. a rubber sleeve; 8. the first butt joint surface; 9. a second butt joint surface; 10. folding the concave surface; 11. a rubber end face; 12. the outer end surface of the inner sleeve in the circumferential direction; 13. a first sealing bulge; 14. a sealing recess; 15. a second sealing convex part; 17. tooth top; 19. a concave waist part; 20. one side end face of the inner sleeve; 21. the end surfaces of two sides of the inner sleeve; 22. positioning a first groove; 23. positioning a second groove; 24. and (6) positioning the boss.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to fig. 2-5.
An integrated supporting spherical hinge comprises an inner sleeve and a rubber sleeve 7, wherein the inner sleeve is of a two-piece tile type structure which is oppositely arranged, the two-piece inner sleeve is attached to the side end face of the inner sleeve, and the integrated rubber sleeve 7 is arranged on the outer side of the two-piece inner sleeve which is oppositely arranged to form the integrated supporting spherical hinge; an axial folding concave surface 10 is arranged at a position, located at a first butt joint surface 8, of the integrated rubber sleeve 7, of the two-petal inner sleeve, and an axial opening axially symmetrical to the folding concave surface 10 along a spherical hinge is arranged at a position, located at a second butt joint surface 9, of the integrated rubber sleeve 7, of the two-petal inner sleeve; the spherical hinge can be folded through the folding concave surface 10 and opened towards two sides at the opening so as to be sleeved on the torsion bar.
As shown in fig. 2 and 3, the integral rubber sleeve 7 is arranged outside the oppositely-mounted two-petal inner sleeve, so that the original two-petal support spherical hinge forms an integral support spherical hinge, and the integral support spherical hinge can be folded at the first butt joint surface 8 and opened towards two sides at the opening of the second butt joint surface 9. The integrated supporting spherical hinge avoids the problem that the coaxiality of the oppositely-installed two-petal supporting spherical hinge is difficult to guarantee in the machining process, and the shock absorption and connection supporting effects of the supporting spherical hinge are guaranteed; meanwhile, the integrated supporting spherical hinge can be accurately positioned when being assembled with other parts, and the installation difficulty is reduced.
The sealing surfaces of the integrated rubber sleeve 7 at the inner sides of the rubber end surfaces 11 in the circumferential direction of the two ends are set to be of a symmetrical type surface structure so as to facilitate sealing between the spherical hinge and the torsion bar. As shown in fig. 4, the sealing surface of the support ball hinge contacting the torsion bar is of a symmetrical type profile structure, so that the problem of infirm sealing caused by asymmetry is avoided, and the torsion bar can be better protected.
Wherein the sealing surface is provided with a 'tooth-shaped structure' to form a plurality of sealing parts for protecting the torsion bar, and the sealing parts comprise sealing convex parts and concave parts. As shown in FIG. 4, the sealing surface of the supporting spherical hinge located inside the rubber end surface 11 of the rubber sleeve 7 in the circumferential direction of the two ends has a plurality of sealing parts, and can be sealed and protected in multiple layers.
The tooth-shaped structure specifically comprises a first sealing convex part 13 which is wrapped on the outer side of the outer end face 12 of the inner sleeve in the circumferential direction and protrudes towards the inner side of the spherical hinge, a second sealing concave part 14 which is positioned between the first sealing convex part 13 and the rubber end face 11 and is recessed towards the outer side of the spherical hinge, and a second sealing convex part 15 which is connected with the first sealing concave part 14 and the rubber end face 11 and protrudes towards the inner side of the spherical hinge. As shown in fig. 4, the second sealing protrusion 15 is a first sealing protection layer, and the first sealing protrusion 13 is a second sealing protection layer, so that when water or dust enters from the second sealing protrusion 15, the water or dust is blocked in the first sealing protrusion 13 in the second sealing recess 14, thereby forming two layers of protection, and further protecting the torsion bar.
The tooth tops 17 of the first sealing convex portion 13, the second sealing concave portion 14 and the second sealing convex portion 15 are all set to be arc tooth tops 17, and the radius R1 of the tooth tops 17 of the first sealing concave portion 14 is set to be larger than the radius R2 of the tooth tops 17 of the first sealing convex portion 13 and the radius R3 of the tooth tops 17 of the second sealing convex portion 15. The tooth crest 17 of the seal concave portion 14 has a larger radius R1, so that when water or dust enters the seal concave portion 14 from the second seal convex portion 15 of the first layer shield, the seal concave portion 14 has a larger volume space to accommodate and prevent the water or dust from further entering the first seal convex portion 13.
Wherein, the rubber profile at the joint of the first sealing convex part 13 and the outer end face 12 in the circumferential direction of the inner sleeve is set to be a circular arc-shaped joint face, and the radius R4 of the joint face is set to be 0.5mm-1 mm. When the supporting spherical hinge bears load, if the connecting surface at the connecting part of the first sealing convex part 13 and the outer end surface 12 in the circumferential direction of the inner sleeve is directly connected from the first sealing convex part 13 through the linear connecting surface, rubber can be accumulated at the corner of the connecting part, broken and broken; the rubber molded surface at the joint of the first sealing convex part 13 and the outer end surface 12 in the circumferential direction of the inner sleeve is set to be an arc-shaped joint surface, and when the rubber molded surface bears load, the rubber molded surface at the joint can be gradually attached to the outer end surface 12 in the circumferential direction of the inner sleeve, so that the rubber molded surface is not accumulated and folded, and the service life of a product can be prolonged.
Wherein, the lower part of the rubber end surface 11 is provided with a concave waist part 19 which is concave towards the inner side of the ball hinge, so as to be convenient for the assembly and the sealing between the ball hinge and the mounting seat. As shown in fig. 4, a concave waist portion 19 is arranged on the rubber end surface 11, and in the process of mounting the support ball hinge and the mounting seat, the concave waist portion 19 can be better positioned with the mounting seat, so that the mounting is facilitated, and the support ball hinge is prevented from shaking; by arranging the concave waist portion 19 at the lower part of the rubber end surface 11, the radial stiffness of the support ball joint can be increased when mounted with the mounting seat compared to arranging the concave waist portion 19 at the upper part of the rubber end surface 11.
Two positioning grooves are oppositely formed in the side end faces of the two-petal inner sleeves at the second butting face 9, a first positioning groove 22 is located at one side corner of the end face 20 at one side of the inner sleeve, a second positioning groove 23 is located at the other side corner of the end face 21 at the two sides of the inner sleeve, which is opposite to the first positioning groove 22, and the two positioning grooves are used for positioning when rubber is vulcanized in the inner sleeves in the mold. When the rubber sleeve 7 is vulcanized in the mold, the two inner sleeves need to be positioned in the mold in order to prevent the inner sleeves from shaking and affecting the vulcanization effect, as shown in fig. 2 and 3, one positioning groove is respectively arranged on one side end surface 20 of the inner sleeve and one side end surface 21 of the inner sleeve, so that when the rubber sleeve 7 is vulcanized in the mold, the two inner sleeves can be better positioned in the mold to prevent the two inner sleeves from shaking.
Wherein, set up location boss 24 in the middle part of the outer peripheral face of integral type rubber sleeve 7, the assembly between ball pivot and the mount pad of being convenient for prevents that the ball pivot from rocking in the axial. As shown in fig. 3 and 4, a positioning boss 24 is arranged on the outer peripheral surface of the integrated rubber sleeve 7, and in the process of mounting the support spherical hinge and the mounting seat, the positioning boss 24 can be better positioned with the mounting seat, so that the mounting is facilitated, and the support spherical hinge is prevented from shaking in the axial direction; the positioning boss 24 is arranged in the middle of the rubber sleeve 7, so that the supporting spherical hinge and the mounting seat can be centered and positioned, and the mounting stability of the supporting spherical hinge is enhanced.
The embodiment also relates to an assembling method of the integrated support spherical hinge, which comprises the following specific assembling steps:
the first step is as follows: opening the integrated supporting spherical hinge from the opening of the second butting surface 9 of the two inner sleeves to two sides by using a tool, and simultaneously folding the supporting spherical hinge at the folding concave surface 10 of the rubber sleeve 7 so as to be convenient for the spherical hinge to be opened;
the second step is that: sleeving the support spherical hinge on the torsion bar from the opening, and slightly rotating the support spherical hinge until the position of the support spherical hinge far away from the opening is stably supported on the torsion bar;
the third step: loosening the tool;
the fourth step: and the two-petal type mounting seat is oppositely arranged and pressed on the outer side of the support spherical hinge to compress the support spherical hinge, so that the support spherical hinge is mounted on the torsion bar.
In the assembly method in the embodiment, after the support spherical hinge is sleeved on the torsion bar, the support spherical hinge can be loosened, and then the two-petal type mounting seat is pressed on the support spherical hinge; for two lamella formula ball pivot among the prior art in order to avoid first lamella ball pivot 1 and second lamella ball pivot 2 to drop, first work piece and second work piece need compress tightly the mode that the mount pad of two lamella formulas can only use after first lamella ball pivot 1 and second lamella ball pivot 2 compresses tightly the ball pivot of two lamella pairs of adorns simultaneously, the assembly cost of this scheme is lower, and packaging efficiency is higher.
The above examples are only illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments of the present invention as required without any inventive contribution thereto after reading the present specification, but all such modifications are intended to be protected by the following claims.
Claims (7)
1. An integrated supporting spherical hinge comprises an inner sleeve and a rubber sleeve (7), wherein the inner sleeve is of a two-piece tile type structure which is oppositely arranged, and the integrated supporting spherical hinge is characterized in that the two-piece inner sleeve is attached to and oppositely arranged at the end surfaces of two sides of the inner sleeve, and the integrated rubber sleeve (7) is arranged on the outer side of the oppositely arranged two-piece inner sleeve to form the integrated supporting spherical hinge; an axial folding concave surface (10) is arranged at a position, located on a first butt joint surface (8) of the two-petal inner sleeve, of the integrated rubber sleeve (7), and an axial opening which is symmetrical to the folding concave surface (10) along a spherical hinge axis is arranged at a position, located on a second butt joint surface (9) of the two-petal inner sleeve, of the integrated rubber sleeve (7); the supporting spherical hinge can be folded through the folding concave surface (10) and opened towards two sides at the opening so as to be sleeved on the torsion bar; sealing surfaces of the integrated rubber sleeve (7) at the inner sides of the rubber end surfaces (11) in the circumferential directions of the two ends are arranged into a symmetrical type surface structure so as to facilitate the sealing between the spherical hinge and the torsion bar; the sealing surface is arranged into a tooth-shaped structure to form a plurality of sealing parts for protecting the torsion bar, and the sealing parts comprise sealing convex parts and sealing concave parts; the tooth-shaped structure is specifically set to comprise a first sealing convex part (13) which is wrapped on the outer side of the outer end surface (12) in the circumferential direction of the inner sleeve and protrudes towards the inner side of the spherical hinge, a second sealing concave part (14) which is positioned between the first sealing convex part (13) and the rubber end surface (11) and is recessed towards the outer side of the spherical hinge, and a second sealing convex part (15) which is connected with the first sealing concave part (14) and the rubber end surface (11) and protrudes towards the inner side of the spherical hinge.
2. The one-piece support spherical hinge according to claim 1, wherein the tooth crests (17) on the first sealing convex portion (13), the second sealing concave portion (14) and the second sealing convex portion (15) are all set as circular-arc tooth crests (17), and the radius R1 of the tooth crest (17) of the first sealing concave portion (14) is set to be larger than the radius R2 of the tooth crest (17) of the first sealing convex portion (13) and the radius R3 of the tooth crest (17) of the second sealing convex portion (15).
3. The one-piece supporting spherical hinge according to claim 2, wherein the rubber profile at the connection of the first sealing protrusion (13) and the circumferential outer end surface (12) of the inner sleeve is set to be a circular arc-shaped connection surface, and the radius R4 of the connection surface is set to be 0.5mm-1 mm.
4. An integral support ball joint as claimed in claim 3 wherein a concave waist portion (19) is provided at the lower part of the rubber end face (11) which is concave towards the inside of the ball joint to facilitate the assembly and sealing between the ball joint and the mounting seat.
5. The one-piece supporting spherical hinge according to claim 4, wherein two positioning grooves are oppositely formed on the side end faces of the two-piece inner sleeve at the abutting face two (9), the first positioning groove (22) is located at one side corner of the side end face (20) of the inner sleeve, the second positioning groove (23) is located at the other side corner of the side end face (21) of the inner sleeve opposite to the first positioning groove (22), and the two positioning grooves are used for positioning the inner sleeve when rubber is vulcanized in a mold.
6. An integrated support spherical hinge according to any one of claims 1 to 5, characterized in that a positioning boss (24) is arranged in the middle of the outer peripheral surface of the integrated rubber sleeve (7), so as to facilitate the assembly between the spherical hinge and the mounting seat and prevent the spherical hinge from shaking in the axial direction.
7. An assembling method of an integrated supporting spherical hinge, which is used for assembling the integrated supporting spherical hinge as claimed in any one of claims 1 to 6, and is characterized in that the assembling steps are as follows:
the first step is as follows: opening the integrated supporting spherical hinge from the opening of the second butting surface (9) of the two inner petal sleeves to two sides by using a tool, and simultaneously folding the supporting spherical hinge at the folding concave surface (10) of the integrated rubber sleeve (7) so as to be convenient for the spherical hinge to be opened;
the second step is that: sleeving the support spherical hinge on the torsion bar from the opening, and slightly rotating the support spherical hinge until the position of the support spherical hinge far away from the opening is stably supported on the torsion bar;
the third step: loosening the tool;
the fourth step: and the two-petal type mounting seat is oppositely arranged and pressed on the outer side of the support spherical hinge to compress the support spherical hinge, so that the support spherical hinge is mounted on the torsion bar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110908861.XA CN113653728B (en) | 2021-08-09 | 2021-08-09 | Integrated support spherical hinge and assembling method thereof |
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| CN202110908861.XA CN113653728B (en) | 2021-08-09 | 2021-08-09 | Integrated support spherical hinge and assembling method thereof |
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| CN113653728B true CN113653728B (en) | 2022-08-26 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046110A (en) * | 1998-07-28 | 2000-02-18 | Tokai Rubber Ind Ltd | Stabilizer bush |
| JP2004257540A (en) * | 2003-02-27 | 2004-09-16 | Tokai Rubber Ind Ltd | Stabilizer bushing |
| JP2005180658A (en) * | 2003-12-22 | 2005-07-07 | Toyo Tire & Rubber Co Ltd | Vibration isolating bush |
| CN110254461A (en) * | 2019-07-02 | 2019-09-20 | 株洲时代新材料科技股份有限公司 | The adjustable transverse elasticity stop of rigidity and stiffness tuning method on anti-side rolling torsion rod |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2642487B1 (en) * | 1989-01-31 | 1991-05-10 | Hutchinson | TORSION BAR BEARING |
| DE4204252C2 (en) * | 1992-02-13 | 1996-09-05 | Lemfoerder Metallwaren Ag | Plastic bearings for stabilizers in motor vehicles |
| JP2007253737A (en) * | 2006-03-22 | 2007-10-04 | Tokai Rubber Ind Ltd | Stabilizer bush |
| WO2011093430A1 (en) * | 2010-01-29 | 2011-08-04 | 東海ゴム工業株式会社 | Vehicle stabilizer bushing |
-
2021
- 2021-08-09 CN CN202110908861.XA patent/CN113653728B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046110A (en) * | 1998-07-28 | 2000-02-18 | Tokai Rubber Ind Ltd | Stabilizer bush |
| JP2004257540A (en) * | 2003-02-27 | 2004-09-16 | Tokai Rubber Ind Ltd | Stabilizer bushing |
| JP2005180658A (en) * | 2003-12-22 | 2005-07-07 | Toyo Tire & Rubber Co Ltd | Vibration isolating bush |
| CN110254461A (en) * | 2019-07-02 | 2019-09-20 | 株洲时代新材料科技股份有限公司 | The adjustable transverse elasticity stop of rigidity and stiffness tuning method on anti-side rolling torsion rod |
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