CN112046666A - Rear swing mechanism for tricycle and tricycle - Google Patents
Rear swing mechanism for tricycle and tricycle Download PDFInfo
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- CN112046666A CN112046666A CN202011004939.7A CN202011004939A CN112046666A CN 112046666 A CN112046666 A CN 112046666A CN 202011004939 A CN202011004939 A CN 202011004939A CN 112046666 A CN112046666 A CN 112046666A
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- rocker arm
- tricycle
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- shock absorber
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- 239000006096 absorbing agent Substances 0.000 claims abstract description 72
- 230000035939 shock Effects 0.000 claims abstract description 72
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
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- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention provides a rear swing mechanism for a tricycle and the tricycle, and relates to the technical field of tricycles, wherein the rear swing mechanism comprises a shock absorber, a rocker arm assembly and a rotating mechanism; the bumper shock absorbers are provided with two, the two bumper shock absorbers are respectively located at two ends of the rocker arm assembly, so that the two bumper shock absorbers are symmetrically arranged relative to the rotating mechanism, the rocker arm assembly is rotatably connected with the rotating mechanism, the two bumper shock absorbers are respectively connected with the rocker arm assembly by utilizing the two bumper shock absorbers, when the rocker arm assembly swings by taking the rotating mechanism as a center, the bumper shock absorbers driving two ends can reciprocate in the extending direction, so that the two independently suspended bumper shock absorbers form linkage motion, the forward tricycle can make sharp turns without turning over when running at high speed, the rear two wheels connected by the two bumper shock absorbers move relatively independently, the stability of the whole tricycle can be guaranteed when running under poor road conditions, the technical problems of large shaking of the whole tricycle, unstable running, risk of turning over, poor comfort and low safety in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of tricycles, in particular to a rear swing mechanism for a tricycle and the tricycle.
Background
Two rear wheels of the existing positive tricycle on the current market are hard connected to the flat fork through a rear axle, the upper end of the rear shock absorber is directly installed on the frame assembly, and the lower end of the rear shock absorber is installed on the integrated flat fork.
However, the tricycle in the prior art rides under bad road conditions, the whole tricycle shakes greatly, the tricycle is unstable in driving, even has the risk of side turning, and the comfort level is very poor; when the tricycle is fast in speed, the side turning condition still exists in sharp turning, and the safety is low.
Disclosure of Invention
The invention aims to provide a rear swing mechanism for a tricycle and the tricycle, and aims to solve the technical problems that the tricycle in the prior art is large in whole shaking, unstable in running, prone to side turning, poor in comfort and low in safety.
The invention provides a rear swing mechanism for a tricycle, which comprises: a shock absorber, a rocker arm assembly and a rotation mechanism;
slewing mechanism with the rocking arm subassembly is perpendicular setting, slewing mechanism along the central line of rocking arm subassembly runs through the rocking arm subassembly, the bumper shock absorber is provided with two, two the bumper shock absorber is located respectively the both ends of rocking arm subassembly, so that two the bumper shock absorber for slewing mechanism is the symmetry and sets up, the rocking arm subassembly with slewing mechanism rotates to be connected, the rocking arm subassembly configure into with slewing mechanism is the central swing, in order to drive both ends the bumper shock absorber is at extending direction reciprocating motion.
In a preferred embodiment of the present invention, the rocker arm assembly comprises a first rocker arm and a second rocker arm;
the first rocker arm and the second rocker arm are oppositely arranged, so that a clamping space is formed between the first rocker arm and the second rocker arm, the two shock absorbers are positioned in the clamping space of the first rocker arm and the second rocker arm, and each shock absorber is connected with the first rocker arm and the second rocker arm;
the rotating mechanism penetrates through the first rocker arm and the second rocker arm in sequence, and the rotating mechanism is respectively in rotating connection with the first rocker arm and the second rocker arm.
In a preferred embodiment of the present invention, the rotating mechanism includes a bearing housing, a bearing, a first bushing, a first connecting member, and a vehicle body connecting portion;
the bearing seat sequentially penetrates through the first rocker arm and the second rocker arm, the number of the bearings is two, the two bearings are respectively located at two ends of the bearing seat in the extending direction, the first bushing is located between the two bearings, and two ends of the first bushing are respectively abutted to the two bearings;
the first connecting piece sequentially penetrates through the bearing and the inside of the first lining along the extending direction of the bearing seat, the bearing seat is connected with the vehicle body connecting portion through the first connecting piece, and the vehicle body connecting portion is used for being fixedly connected with a vehicle body of a tricycle.
In a preferred embodiment of the present invention, the rotating mechanism further comprises a second bushing;
the second bushings are arranged at two ends of the bearing seat respectively, one end of each second bushing is abutted to the corresponding bearing, and the other end of each second bushing is abutted to the corresponding vehicle body connecting portion.
In a preferred embodiment of the present invention, the first connecting member includes a connecting screw and a lock nut;
the automobile body connecting portion includes first automobile body connecting plate and second automobile body connecting plate, first automobile body connecting plate with form between the second automobile body connecting plate and be used for the centre gripping space of bearing frame, connecting screw's one end runs through in proper order first automobile body connecting plate, second bush, bearing, first bush with second automobile body connecting plate, lock nut with stretching out of connecting screw the one end fastening connection of second automobile body connecting plate, connecting screw's the other end with first automobile body connecting plate butt.
In a preferred embodiment of the present invention, the second bushing includes a stepped bushing, and one end of the second bushing abuts against the first vehicle body connecting plate, and the other end of the second bushing abuts against the bearing.
In a preferred embodiment of the present invention, the damper includes a damper body, a mount, and an adjustment mechanism;
the mounting seat with bumper shock absorber main part fixed connection, adjustment mechanism is located in the mounting seat, the mounting seat passes through adjustment mechanism with the rocking arm subassembly is connected, adjustment mechanism is used for adjusting the bumper shock absorber main part is for the rocking arm subassembly is at circumferential direction.
In a preferred embodiment of the invention, the adjusting mechanism comprises a joint bearing, a retainer ring and a second connecting piece;
the joint bearing comprises a bearing outer ring and a bearing inner ring, the bearing outer ring and the bearing inner ring are connected through spherical surface coating, the retainer ring is positioned outside the joint bearing and is abutted against the joint bearing so as to limit the joint bearing in the mounting seat;
the mounting seat is located in the clamping space of the first rocker arm and the second rocker arm, and the mounting seat is connected with the first rocker arm and the second rocker arm respectively through the second connecting piece.
In a preferred embodiment of the present invention, the second connecting member includes a stepped bushing and a bolt;
the ladder bush is provided with two, two the ladder bush respectively with first rocking arm with the inner wall butt of second rocking arm, the mount pad is located two between the ladder bush, the bolt runs through in proper order first rocking arm the ladder bush the mount pad adjustment mechanism with the second rocking arm, in order will the mount pad is fixed in first rocking arm with in the centre gripping space of second rocking arm.
The invention provides a tricycle, which comprises a rear swinging mechanism for the tricycle.
The invention provides a rear swing mechanism for a tricycle, which comprises: a shock absorber, a rocker arm assembly and a rotation mechanism; the rotating mechanism is perpendicular to the rocker arm assembly, the rotating mechanism penetrates through the rocker arm assembly along the center line of the rocker arm assembly, two shock absorbers are arranged and are respectively positioned at two ends of the rocker arm assembly, so that the two shock absorbers are symmetrically arranged relative to the rotating mechanism, the rocker arm assembly is rotatably connected with the rotating mechanism, the two shock absorbers are respectively connected with the rocker arm assembly, when the rocker arm assembly swings around the rotating mechanism as the center, the shock absorbers driving the two ends can reciprocate in the extending direction, so that the two shock absorbers which are independently suspended form linkage motion, sharp turning without side turning when a positive tricycle runs at high speed can be realized, meanwhile, the rear two wheels connected with the two shock absorbers are arranged on a rear flat fork which is relatively independent, the left and right wheels move relatively independently, the stability of the whole tricycle can be ensured when the tricycle runs under bad road conditions, and the riding comfort is improved, the technical problems of large shaking of the whole tricycle, unstable running, side turning risk, poor comfort and low safety existing in the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of a rear swing mechanism for a tricycle according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a rear swing mechanism for a tricycle in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a shock absorber of a rear swing mechanism for a tricycle in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rear swing mechanism for a tricycle according to an embodiment of the present invention.
Icon: 100-a shock absorber; 101-a damper body; 102-a mount; 103-an adjustment mechanism; 113-knuckle bearing; 1131, bearing outer ring; 1132 — inner bearing race; 123-a retainer ring; 133-a second connector; 1331-stepped bushing; 1332-bolts; 200-a rocker arm assembly; 201-a first rocker arm; 202-a second rocker arm; 300-a rotation mechanism; 301-bearing seat; 302-a bearing; 303-a first bushing; 304-a first connector; 314-connecting screw; 324-a locking nut; 305-a vehicle body connection; 306-second liner.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present embodiment provides a rear swing mechanism for a tricycle, including: shock absorber 100, rocker arm assembly 200, and rotation mechanism 300; the rotating mechanism 300 is perpendicular to the rocker arm assembly 200, the rotating mechanism 300 penetrates through the rocker arm assembly 200 along a center line of the rocker arm assembly 200, two shock absorbers 100 are arranged, the two shock absorbers 100 are respectively located at two ends of the rocker arm assembly 200, so that the two shock absorbers 100 are symmetrically arranged relative to the rotating mechanism 300, the rocker arm assembly 200 is rotatably connected with the rotating mechanism 300, and the rocker arm assembly 200 is configured to swing by taking the rotating mechanism 300 as a center so as to drive the shock absorbers 100 at two ends to reciprocate in the extending direction.
It should be noted that, because two rear wheels of the existing positive tricycle on the market are connected to the inverted fork through the rear axle, the suspension is dependent; and the upper end of the rear shock absorber is directly mounted on the frame assembly, and the lower end is mounted on the integrated bottom fork, so that the conditions of large overall shaking and unstable running exist, the rear swing mechanism for a tricycle provided in this embodiment is provided, wherein two shock absorbers 100 are arranged at the frame positions of two rear wheels of the tricycle, and the two shock absorbers 100 are connected with the rocker arm assembly 200, and the rocker arm assembly 200 is rotatably connected with the rotating mechanism 300, because the two shock absorbers 100 are respectively located at the two ends of the rocker arm assembly 200, and the two shock absorbers 100 are symmetrically arranged relative to the rotating mechanism 300, when the rocker arm assembly 200 rotates relative to the rotating mechanism 300, at this time, one shock absorber 100 can generate extension motion, the other shock absorber 100 can generate compression motion, and further, the linked rocker arm assembly 200 and the two shock absorbers 100 can relatively independently move, thus, the relative independence of the motion of the two rear wheels on the two shock absorbers 100 is realized, and the tricycle can make a sharp turn without side turning when running at high speed.
The embodiment provides a rear rocking mechanism for tricycle, includes: shock absorber 100, rocker arm assembly 200, and rotation mechanism 300; the rotating mechanism 300 is vertically arranged with the rocker arm assembly 200, the rotating mechanism 300 penetrates through the rocker arm assembly 200 along the center line of the rocker arm assembly 200, two shock absorbers 100 are arranged, the two shock absorbers 100 are respectively arranged at two ends of the rocker arm assembly 200, so that the two shock absorbers 100 are symmetrically arranged relative to the rotating mechanism 300, the rocker arm assembly 200 is rotatably connected with the rotating mechanism 300, the two shock absorbers 100 are respectively connected with the rocker arm assembly 200, when the rocker arm assembly 200 swings by taking the rotating mechanism 300 as the center, the shock absorbers 100 at two ends can be driven to reciprocate in the extending direction, so that the two shock absorbers 100 which are independently suspended form linkage motion, sharp turning without side turning can be realized when the tricycle runs at high speed, meanwhile, the rear two wheels connected with the two shock absorbers 100 are arranged on the rear flat forks which are relatively independent, the left and the right rear wheels move relatively independently, and the stability of the whole tricycle can be ensured when the tricycle runs under, thereby improve the travelling comfort of riding, alleviate the whole car shake of tricycle that exists among the prior art big, the driving is unstable, has the risk of turning on one's side, the comfort level is poor and the technical problem that the security is low.
Further, in the preferred embodiment of the present invention, the rocker arm assembly 200 includes a first rocker arm 201 and a second rocker arm 202; the first rocker arm 201 and the second rocker arm 202 are oppositely arranged, so that a clamping space is formed between the first rocker arm 201 and the second rocker arm 202, the two shock absorbers 100 are positioned in the clamping space of the first rocker arm 201 and the second rocker arm 202, and each shock absorber 100 is connected with the first rocker arm 201 and the second rocker arm 202; the rotating mechanism 300 sequentially penetrates through the first rocker arm 201 and the second rocker arm 202, and the rotating mechanism 300 is respectively connected with the first rocker arm 201 and the second rocker arm 202 in a rotating mode.
In this embodiment, in order to ensure the installation stability of the shock absorber 100 and the relative independence of the rocker arm assembly 200 during rotation, the two first rocker arms 201 and the second rocker arms 202 are oppositely arranged, wherein the structures of the first rocker arms 201 and the second rocker arms 202 are the same, the installation seats 102 of the shock absorber 100 are fixed in the clamping space between the first rocker arms 201 and the second rocker arms 202, the rotating mechanism 300 penetrates through the first rocker arms 201 and the second rocker arms 202 through the centers of the first rocker arms 201 and the second rocker arms 202 at this time, the shock absorbers 100 installed at the two ends of the first rocker arms 201 and the second rocker arms 202 form a seesaw structure, and when the first rocker arms 201 and the second rocker arms 202 rotate relative to the rotating mechanism 300 at the central position, two linkage actions with completely opposite moving directions occur at this time for the two shock absorbers 100.
In the preferred embodiment of the present invention, the rotating mechanism 300 includes a bearing housing 301, a bearing 302, a first bushing 303, a first connecting member 304, and a vehicle body connecting portion 305; the bearing block 301 sequentially penetrates through the first rocker arm 201 and the second rocker arm 202, two bearings 302 are arranged, the two bearings 302 are respectively located at two ends of the bearing block 301 in the extending direction, the first bushing 303 is located between the two bearings 302, and two ends of the first bushing 303 are respectively abutted to the two bearings 302; the first connecting piece 304 is sequentially arranged inside the bearing 302 and the first bushing 303 along the extending direction of the bearing seat 301, the bearing seat 301 is connected with the vehicle body connecting part 305 through the first connecting piece 304, and the vehicle body connecting part 305 is used for being fixedly connected with the vehicle body of the tricycle.
In the preferred embodiment of the present invention, the rotating mechanism 300 further includes a second bushing 306; two second bushings 306 are provided, the two second bushings 306 are provided at both ends of the bearing housing 301, respectively, one end of the second bushing 306 abuts against the bearing 302, and the other end of the second bushing 306 abuts against the vehicle body connecting portion 305.
In the preferred embodiment of the present invention, the first connector 304 comprises a connection screw 314 and a lock nut 324; the vehicle body connecting portion 305 includes a first vehicle body connecting plate and a second vehicle body connecting plate, a clamping space for clamping the bearing seat 301 is formed between the first vehicle body connecting plate and the second vehicle body connecting plate, one end of the connecting screw 314 sequentially penetrates through the first vehicle body connecting plate, the second bushing 306, the bearing 302, the first bushing 303 and the second vehicle body connecting plate, the locking nut 324 is fixedly connected with one end of the connecting screw 314 extending out of the second vehicle body connecting plate, and the other end of the connecting screw 314 abuts against the first vehicle body connecting plate.
In this embodiment, through holes are formed in the center positions of the first rocker arm 201 and the second rocker arm 202, and the connecting screw 314 penetrates through the through holes and is fixed by the lock nut 324; at this time, bearing seats 301 are further penetrated in the through holes of the first rocker arm 201 and the second rocker arm 202, and both ends of the bearing seats 301 can be respectively connected with the first rocker arm 201 and the second rocker arm 202, in other words, the first rocker arm 201 and the second rocker arm 202 are fixedly connected with the bearing seats 301, two bearings 302 are provided at both ends of the bearing housing 301, and when the bearing housing 301 rotates with respect to the bearings 302, the first rocker arm 201 and the second rocker arm 202 are able to rotate with the bearing housing 301 relative to the bearing 302, and in order to ensure the stability of the bearing 302, a first bushing 303 is provided between the two bearings 302, the first bushing 303 abuts against an inner race of the bearing 302, a length of the first bushing 303 is matched to a width of a clamping space between the first rocker arm 201 and the second rocker arm 202, and further, in order to define a gap between the bearing 302 and the vehicle body connecting portion 305, by providing the second bushing 306 between the bearing 302 and the vehicle body connecting portion 305; the first bushing 303 and the second bushing 306 are sleeved outside the connecting screw 314.
In the preferred embodiment of the present invention, the second bushing 306 comprises a stepped bushing, and one end of the second bushing 306 abuts against the first vehicle body connecting plate, and the other end of the second bushing 306 abuts against the bearing 302.
Note that, since the second bush 306 is provided in two, one end of the stepped bush abuts against the inner ring of the bearing 302, and the other end of the stepped bush abuts against the first vehicle body connecting plate; similarly, the position of the bearing housing 301 and the position of the bearing 302 can be better defined by the abutment of one end of the stepped bushing against the inner race of the other bearing 302 and the abutment of the other end of the stepped bushing against the second vehicle body attachment plate.
In the preferred embodiment of the present invention, the shock absorber 100 includes a shock absorber body 101, a mount 102, and an adjustment mechanism 103; the mounting seat 102 is fixedly connected with the shock absorber main body 101, the adjusting mechanism 103 is located in the mounting seat 102, the mounting seat 102 is connected with the rocker arm assembly 200 through the adjusting mechanism 103, and the adjusting mechanism 103 is used for adjusting the shock absorber main body 101 to rotate in the circumferential direction relative to the rocker arm assembly 200.
It should be noted that, since the structure of the damper body 101 is the same as that of the damper 100 in the related art, the description thereof is omitted.
In the preferred embodiment of the present invention, the adjustment mechanism 103 includes a spherical plain bearing 113, a retainer ring 123, and a second link 133; the knuckle bearing 113 comprises a bearing outer ring 1131 and a bearing inner ring 1132, the bearing outer ring 1131 and the bearing inner ring 1132 are connected through spherical cladding, the retainer ring 123 is positioned outside the knuckle bearing 113, and the retainer ring 123 abuts against the knuckle bearing 113 so as to limit the knuckle bearing 113 in the mounting seat 102; the mounting seat 102 is located in a clamping space of the first swing arm 201 and the second swing arm 202, and the mounting seat 102 is connected with the first swing arm 201 and the second swing arm 202 through the second connecting member 133.
In the preferred embodiment of the present invention, the second connector 133 includes a stepped bushing 1331 and a bolt 1332; the two step bushings 1331 are provided, the two step bushings 1331 are respectively abutted against the inner walls of the first rocker arm 201 and the second rocker arm 202, the mounting seat 102 is located between the two step bushings 1331, and the bolt 1332 sequentially penetrates through the first rocker arm 201, the step bushings 1331, the mounting seat 102, the adjusting mechanism 103 and the second rocker arm 202 so as to fix the mounting seat 102 in the clamping space of the first rocker arm 201 and the second rocker arm 202.
In this embodiment, the position of the mounting seat 102 is provided with an adjusting mechanism 103, wherein the mounting seat 102 is connected with the inner walls of the first rocker arm 201 and the second rocker arm 202, since the adjustment mechanism 103 includes the joint bearing 113, the joint bearing 113 includes the bearing outer ring 1131 and the bearing inner ring 1132, wherein the bearing outer ring 1131 and the bearing inner ring 1132 are connected by spherical cladding, the spherical cladding connection of the joint bearing 113 can realize fine tuning movement in 360 degrees, in the actual operation process of the tricycle, two rear wheels of the tricycle bear the influence of the torque in the horizontal direction as well as the pressure in the vertical direction, by providing the mount 102 with a spherical joint bearing 113, the rear two wheels of the tricycle are relatively independent of each other in the longitudinal direction of the body, the stability of the whole bicycle can be ensured when the bicycle runs under bad road conditions, so that the riding comfort is improved; in order to ensure the stability of the spherical surface coating connection of the spherical plain bearing 113, the retainer ring 123 is positioned outside the spherical plain bearing 113, and the retainer ring 123 abuts against the spherical plain bearing 113, so that the spherical plain bearing 113 is confined in the mount 102.
The tricycle provided by the embodiment comprises the rear swing mechanism for the tricycle; since the technical effect of the tricycle provided by the present embodiment is the same as that of the rear swing mechanism for a tricycle provided by the above-mentioned embodiment, the detailed description thereof is omitted here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A rear swing mechanism for a tricycle, comprising: a shock absorber, a rocker arm assembly and a rotation mechanism;
slewing mechanism with the rocking arm subassembly is perpendicular setting, slewing mechanism along the central line of rocking arm subassembly runs through the rocking arm subassembly, the bumper shock absorber is provided with two, two the bumper shock absorber is located respectively the both ends of rocking arm subassembly, so that two the bumper shock absorber for slewing mechanism is the symmetry and sets up, the rocking arm subassembly with slewing mechanism rotates to be connected, the rocking arm subassembly configure into with slewing mechanism is the central swing, in order to drive both ends the bumper shock absorber is at extending direction reciprocating motion.
2. The rear swing mechanism for a tricycle of claim 1, wherein the rocker arm assembly includes a first rocker arm and a second rocker arm;
the first rocker arm and the second rocker arm are oppositely arranged, so that a clamping space is formed between the first rocker arm and the second rocker arm, the two shock absorbers are positioned in the clamping space of the first rocker arm and the second rocker arm, and each shock absorber is connected with the first rocker arm and the second rocker arm;
the rotating mechanism penetrates through the first rocker arm and the second rocker arm in sequence, and the rotating mechanism is respectively in rotating connection with the first rocker arm and the second rocker arm.
3. The rear swing mechanism for a tricycle of claim 2, wherein the rotation mechanism includes a bearing seat, a bearing, a first bushing, a first connector, and a body attachment portion;
the bearing seat sequentially penetrates through the first rocker arm and the second rocker arm, the number of the bearings is two, the two bearings are respectively located at two ends of the bearing seat in the extending direction, the first bushing is located between the two bearings, and two ends of the first bushing are respectively abutted to the two bearings;
the first connecting piece sequentially penetrates through the bearing and the inside of the first lining along the extending direction of the bearing seat, the bearing seat is connected with the vehicle body connecting portion through the first connecting piece, and the vehicle body connecting portion is used for being fixedly connected with a vehicle body of a tricycle.
4. The rear swing mechanism for a tricycle of claim 3, wherein the rotation mechanism further includes a second bushing;
the second bushings are arranged at two ends of the bearing seat respectively, one end of each second bushing is abutted to the corresponding bearing, and the other end of each second bushing is abutted to the corresponding vehicle body connecting portion.
5. The rear swing mechanism for a tricycle of claim 4, wherein the first connector includes a connecting screw and a lock nut;
the automobile body connecting portion includes first automobile body connecting plate and second automobile body connecting plate, first automobile body connecting plate with form between the second automobile body connecting plate and be used for the centre gripping space of bearing frame, connecting screw's one end runs through in proper order first automobile body connecting plate, second bush, bearing, first bush with second automobile body connecting plate, lock nut with stretching out of connecting screw the one end fastening connection of second automobile body connecting plate, connecting screw's the other end with first automobile body connecting plate butt.
6. The rear swing mechanism for a tricycle according to claim 5, wherein the second bushing includes a step bushing, and one end of the second bushing abuts the first body connecting plate and the other end of the second bushing abuts the bearing.
7. The rear swing mechanism for a tricycle according to any of claims 2-6, wherein the shock absorber comprises a shock absorber body, a mounting seat and an adjustment mechanism;
the mounting seat with bumper shock absorber main part fixed connection, adjustment mechanism is located in the mounting seat, the mounting seat passes through adjustment mechanism with the rocking arm subassembly is connected, adjustment mechanism is used for adjusting the bumper shock absorber main part is for the rocking arm subassembly is at circumferential direction.
8. The rear swing mechanism for a tricycle of claim 7, wherein the adjustment mechanism includes a knuckle bearing, a retainer ring, and a second link;
the joint bearing comprises a bearing outer ring and a bearing inner ring, the bearing outer ring and the bearing inner ring are connected through spherical surface coating, the retainer ring is positioned outside the joint bearing and is abutted against the joint bearing so as to limit the joint bearing in the mounting seat;
the mounting seat is located in the clamping space of the first rocker arm and the second rocker arm, and the mounting seat is connected with the first rocker arm and the second rocker arm respectively through the second connecting piece.
9. The rear swing mechanism for a tricycle of claim 8, wherein the second connector includes a step bushing and a bolt;
the ladder bush is provided with two, two the ladder bush respectively with first rocking arm with the inner wall butt of second rocking arm, the mount pad is located two between the ladder bush, the bolt runs through in proper order first rocking arm the ladder bush the mount pad adjustment mechanism with the second rocking arm, in order will the mount pad is fixed in first rocking arm with in the centre gripping space of second rocking arm.
10. A tricycle comprising a rear rocking mechanism for a tricycle as claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004939.7A CN112046666A (en) | 2020-09-22 | 2020-09-22 | Rear swing mechanism for tricycle and tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004939.7A CN112046666A (en) | 2020-09-22 | 2020-09-22 | Rear swing mechanism for tricycle and tricycle |
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| CN112046666A true CN112046666A (en) | 2020-12-08 |
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|---|---|---|---|
| CN202011004939.7A Pending CN112046666A (en) | 2020-09-22 | 2020-09-22 | Rear swing mechanism for tricycle and tricycle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118124312A (en) * | 2024-02-04 | 2024-06-04 | 浙江春风动力股份有限公司 | All-terrain vehicle |
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