CN203142938U - Damper device of motor tricycle torsion bar type front suspension device - Google Patents
Damper device of motor tricycle torsion bar type front suspension device Download PDFInfo
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- CN203142938U CN203142938U CN 201320151758 CN201320151758U CN203142938U CN 203142938 U CN203142938 U CN 203142938U CN 201320151758 CN201320151758 CN 201320151758 CN 201320151758 U CN201320151758 U CN 201320151758U CN 203142938 U CN203142938 U CN 203142938U
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- torsion bar
- hinged
- damper
- bar type
- journal stirrup
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Abstract
A damper device of a motor tricycle torsion bar type front suspension device comprises a front fork. The front fork is provided with two symmetrical back supporting pipes extending downwards and bending backwards. A torsion bar spring absorber is transversely arranged between the lower end of the left back supporting pipe and the lower end of the right back supporting pipe. The left end and the right end of a torsion bar spring of the torsion bar spring absorber are supported in through holes formed in the lower end of the left back supporting pipe and the lower end of the right back supporting pipe respectively in an empty sleeved mode, and are respectively, circumferentially and fixedly connected with a rocker arm. The two rocker arms parallely extend forwards and are hinged to a front axle to form the torsion bar type front suspension device. A front damper is arranged between the left back supporting pipe of the torsion bar type front suspension device and the front axle, a front damper is arranged between the right back supporting pipe of the torsion bar type front suspension device and the front axle, the two dampers are symmetrical, the upper ends of the two front dampers are hinged to the back supporting pipes through bolts, and the lower ends of the two dampers are hinged to the front axle. The impact vibration frequency of a front wheel can be reduced, ascending impact energy of the rocker arms is consumed, and meanwhile, the damper device can serve as an auxiliary support of the front fork to limit the swinging of the front wheel.
Description
Technical field
The utility model relates to motor-tricycle and hangs field, the particularly damper device of a kind of motor-tricycle torsion bar type forward mounting.
Background technology
Shock absorber before front fork is provided with damper spring left and right is installed normally in the suspension of motor-tricycle front-wheel, front-wheel is before left and right between the shock absorber, the lower end of shock absorber before being connected by axle, shock absorber becomes the Flexible Connector between front-wheel and the car body before making thus.Before shock absorber with the weight of front fork supporting body, absorb road to the impact of vehicle, damped vibration, the relevant parts of buffering vehicle stressed can prolong the service life of vehicle, and realizes the traveling comfort that drives and the stability of manipulation.Present preceding shock absorber is commonly used roughly three classes: the one, and the preceding shock absorber of undamped device, its structure be with the compression spring housing on the shock absorber post, be contained in the lump then in the shock absorber tube of front fork, by compression spring stretching under the external force impact effect, absorb shock and vibration.The 2nd, shock absorber before the inner spring formula, its structure is that the compression spring is contained in the interior damper cylinder, in the damper cylinder piston rod is set outside, interior damper cylinder inserts in the outer damper cylinder, piston ring on the piston rod props up the compression spring, be provided with check valve between interior damper cylinder and the outer damper cylinder, piston rod is provided with the aperture that damping oil is passed through, and when making outer damper cylinder up but front-wheel is hit, the damping oil in the shock absorber upwards flows through the aperture on check valve and the piston rod, when dumping force is little, outer damper cylinder continues up, makes the compression of compression spring, and the space in outer damper cylinder more and more hour, damping increases, and can prevent that outer damper cylinder and interior damper cylinder from clashing into mutually; When outer damper cylinder because of the restoring force of compression spring when descending, damping oil forms big damping because closed check valve can only flow through from the aperture on the piston rod, can decay and compress the vibration of spring.The 3rd, shock absorber before the outer spring formula, shock absorber does not have much differences in essence before outer spring formula shock absorber and the inner spring formula, just compresses spring and is arranged on the shock absorber outside.Adopt above-mentioned three class shock absorbers to be installed in strut member and the front-wheel steering control piece that constitutes bearing body on the front fork, therefore to as the having relatively high expectations of the compression spring of vibration damping, if the compression spring is softer, its effectiveness in vibration suppression is better, it is comparatively comfortable that driving is felt, but impact resistance is relatively poor; If the compression spring is harder, its impact resistance strengthens, but effectiveness in vibration suppression is good inadequately, and the traveling comfort of driving is relatively poor again.And these shock absorbers all belong to the straight barrel type shock absorber, and it is relative with bearing capacity relatively poor to be installed on the front fork its crashproof ability, can not satisfy usually the needs based on the motor-tricycle of loading.In addition, publication number be CN201647036U's " damping assembly before a kind of motor-tricycle of regulating outer damping spring precompressed compression " a kind of technical scheme of preceding shock-damping structure of motor bike is disclosed, direction post and last, lower connecting plate is connected, two symmetrical front fork tops are cylinder, the bottom is prone pipe, top cylinder and bottom pipe flush fit, the cylinder on two front fork tops and upper junction plate and lower connecting plate are connected, matching part at front fork top cylinder and bottom pipe is provided with ring stiffener, and the lower end of two front forks is connected with an end of two rocking arms respectively.Two pairs can be regulated the upper end of the bumper of outer damping spring precompressed compression, be connected with the upper branching holder triangular in shape that is located at pipe knee, front fork bottom respectively, the lower end is connected with the lower support seat, and the lower support seat is captiveed joint with front-wheel assembling cover, and front-wheel assembling cover is captiveed joint with the other end of rocking arm.The bottom of the bumper of damping spring precompressed compression is provided with a regulating ring respectively outside two pairs can be regulated, and the stepped sawtooth of regulating ring lower end and the corresponding engaging of the limiting stopper of bumper bottom are close to the lower end of outer damping spring in the upper end of regulating ring.The bumper of damping assembly remains the straight barrel type shock absorber before this motor-tricycle, its spring that adopts remains the compression spring, and the preceding damping assembly of this structure, the strut member of bearing body remains outer damping spring, therefore identical with first three class shock absorber, the same problem of having relatively high expectations that exists the compression spring.And when adopting the straight barrel type shock absorber, tare relies on the compression spring to support, and this compression spring is all harder relatively, and the frequent vibration of compression spring under external impacts is obvious, so effectiveness in vibration suppression is also just relatively poor relatively.And also relative complex of the structure of this straight barrel type shock absorber, to having relatively high expectations of compression spring, the cost of manufacture of shock absorber is also higher relatively, also has the relatively poor relatively problem of bearing capacity simultaneously.
Summary of the invention
The purpose of this utility model is the deficiency that exists at prior art, and the damper device of a kind of motor-tricycle torsion bar type forward mounting is provided.It is by at the rear supporting tube of torsion bar type front-end equipment be supported between the front wheel spindle on the rocking arm front damper is set, can reduce the impact shock frequency of front-wheel, consume the up impact energy of rocking arm, can also support the swing of restriction front-wheel simultaneously as the pair of front fork.
The purpose of this utility model is achieved in that and comprises front fork, described front fork has downward extension and the recurvate rear supporting tube of two symmetries, a described left side, horizontally set one torsion bar spring shock absorber between the right back support tube lower end, the two ends, the torsion bar spring left and right sides of torsion bar spring shock absorber empty cover respectively are supported on a left side, in the through hole that right back support tube lower end is provided with, and circumferential captive joint one rocking arm separately, two rocking arms are parallel to be extended and the hinged formation torsion bar type of front wheel spindle front-end equipment forward, the left side of described torsion bar type front-end equipment, two front dampers are installed respectively between right back support tube and the front wheel spindle, two front damper symmetries, the upper end of front damper and rear supporting tube are by bolted splice, and lower end and the front wheel spindle of front damper are hinged.
The upper and lower end of described front damper is respectively equipped with hinged journal stirrup, and rear supporting tube is provided with hinged support, and the hinged journal stirrup of front damper upper end is hinged by the hinged support on bolt and the rear supporting tube, and hinged journal stirrup and the front wheel spindle of described front damper lower end are hinged.
The hinged journal stirrup of described front damper lower end is " U " type journal stirrup, and two walls that are somebody's turn to do " U " type journal stirrup are symmetrical arranged the axis hole that cooperates with front wheel spindle.
Be provided on the described rear supporting tube the up spacing limit base of rocking arm, this limit base is provided with hinge hole, and the hinged journal stirrup of described front damper upper end is hinged by bolt and limit base.
The bending backward of described rear supporting tube arranges hinged support or limit base.
Owing to adopted such scheme, on the torsion bar type front-end equipment that left and right rear supporting tube, a torsion bar spring shock absorber and two rocking arms by front fork constitute, symmetry is installed two front dampers, the upper end of front damper and rear supporting tube are by bolted splice, and lower end and the front wheel spindle of front damper are hinged.It can reduce the impact shock frequency of front-wheel, consumes the up impact energy of rocking arm, can also support the swing of restriction front-wheel simultaneously as the pair of front fork.
Upper and lower end at front damper is respectively equipped with hinged journal stirrup, and rear supporting tube is provided with hinged support, and the hinged journal stirrup of front damper upper end is hinged by the hinged support on bolt and the rear supporting tube, and hinged journal stirrup and the front wheel spindle of described front damper lower end are hinged; Perhaps be provided for the up spacing limit base of rocking arm at rear supporting tube, this limit base is provided with hinge hole, and the hinged journal stirrup of described front damper upper end is hinged by bolt and limit base.Make installation, the convenient disassembly, easy of front damper like this, be convenient to regulate and maintain and replace.Also make the front damper mounting structure simple simultaneously, can reduce labour intensity and save production cost.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 1 is to view;
Fig. 4 is torsion bar spring damper structure scheme drawing of the present utility model;
Scheme drawing when Fig. 5 bears heavy condition for the utility model.
In the accompanying drawing, 1 is the direction post, and 2 is rear supporting tube, and 3 is erection support, 4 is torsion bar spring, and 4a is splined end, and 4b is square toes, and 4c is annular groove, 5 is rocking arm, and 6 is front wheel spindle, and 7 is front-wheel, and 8 is limit base, 9 is Rubber end, and 10 is torsion bar central authorities anchor fittings, and 12 is the torsion bar spring shock absorber, and 13 is bolt, 14 is supporting sleeve, and 14a is flange, and 17 is front damper, 17a is " U " type journal stirrup, and 17b is hinged journal stirrup, and 18 is front fork.
The specific embodiment
Referring to Fig. 1 to Fig. 3, the embodiment of the damper device of a kind of motor-tricycle torsion bar type forward mounting, comprise front fork 18, described front fork 18 has downward extension and the recurvate rear supporting tube 2 of two symmetries, horizontally set one torsion bar spring shock absorber 12 between described left and right rear supporting tube 2 lower ends, described torsion bar spring shock absorber 12 is made up of a torsion bar central authorities anchor fitting 10, two torsion bar spring 4 and two supporting sleeves 14.The axial two ends that described two supporting sleeves 14 are separately fixed at torsion bar central authorities anchor fitting 10 are fixedly connected into a crosswise fixed strut member.Two supporting sleeves 14 are connected as a single entity with central anchor fitting 10 welding of torsion bar.The axial two ends of crosswise fixed strut member are provided with flange 14a, captive joint with the rear supporting tube 2 that is positioned at crosswise fixed strut member two ends.The central anchor fitting 10 of described torsion bar is provided with the circumferential fixed orifice of axial perforation, described two torsion bar spring 4 are placed in respectively in two supporting sleeves 14, the fixed end of two torsion bar spring 4 inserts from the circumferential fixed orifice two ends of torsion bar central authorities anchor fitting 10 in opposite directions, forms with central the circumferential of anchor fitting 10 of torsion bar to captive joint.The circumferential fixed orifice that the central anchor fitting 10 of the described torsion bar of present embodiment arranges is square hole, the fixed end of described torsion bar spring 4 is made as the square toes 4b corresponding with square hole, form circumferential captive joint in the square hole of the square toes 4b insertion torsion bar central authorities anchor fitting 10 of torsion bar spring, prevent that the fixed end of torsion bar spring 4 from rotating.The free end of described two torsion bar spring 4 stretches out supporting sleeve 14 outward, is used for circumferential captive joint Rocker arm 5.The free end of the torsion bar spring 4 of present embodiment is splined end 4a, and the splined hole that arranges with Rocker arm 5 is connected, and this splined end 4a is provided with the annular groove 4c with the Rocker arm 5 axial location, by dowel bolt 16 or alignment pin location.The two ends, torsion bar spring 4 left and right sides of torsion bar spring shock absorber 12 empty cover respectively are supported in the through hole that left and right rear supporting tube 2 lower ends are provided with, for guaranteeing assembling intensity and easy for installation, at rear supporting tube 2 lower end welded and installed bearings 3, on the erection support 3 through hole is set, the two ends, torsion bar spring 4 left and right sides that make torsion bar spring shock absorber 12 empty cover respectively are supported in the through hole that arranges on the erection support 3, two ends, torsion bar spring 4 left and right sides are circumferential captive joint one Rocker arm 5 separately; captive joint by spline and rocking arm are circumferential in the rear end of Rocker arm 5, and rocking arm can be moved with respect to rear supporting tube 2.The parallel extension forward of two Rocker arm 5s is hinged with front wheel spindle 6, and front-wheel 7 is installed by front wheel spindle 6 and is suspended on the Rocker arm 5 front end, constitutes motor-tricycle torsion bar type front-end equipment thus.Two front dampers 17 are installed respectively between the left and right rear supporting tube 2 of described torsion bar type front-end equipment and the front wheel spindle 6, two front damper 17 symmetries, the upper end of front damper 17 and rear supporting tube 2 are hinged by bolt 13, and the lower end of front damper 17 and front wheel spindle 6 are hinged.Be convenient and install, dismounting, in the bending backward of rear supporting tube 2 hinged support or limit base 8 are set, hinged support or limit base 8 are fixed by welding on the rear supporting tube 2, also can adopt bolted on rear supporting tube 2.On the described front damper 17 of present embodiment, the lower end is respectively equipped with hinged journal stirrup, be provided on the rear supporting tube 2 the up spacing limit base 8 of rocking arm, this limit base 8 is provided with hinge hole, described hinge hole is symmetricly set on two walls of the fitting recess that limit base 8 tops are provided with, the Rocker arm 5 direction of the lower ends downward side of limit base 8 is extended, the lower end fixed installation yielding rubber head 9 of limit base 8, the hinged journal stirrup 17b of described front damper 17 upper ends is arranged in the fitting recess of limit base 8, hinged by bolt 13 and limit base 8, hinged journal stirrup and the front wheel spindle 6 of described front damper 17 lower ends are hinged; Perhaps, the upper and lower end of described front damper 17 is respectively equipped with hinged journal stirrup, rear supporting tube 2 is provided with hinged support (not shown), the hinged journal stirrup 17b of front damper 17 upper ends is hinged with the hinged support on the rear supporting tube 2 by bolt 13, and hinged journal stirrup 17a and the front wheel spindle 6 of described front damper 17 lower ends are hinged.The hinged journal stirrup of described front damper 17 lower ends is " U " type journal stirrup 17a, and two walls that should " U " type journal stirrup 17a are symmetrical arranged the axis hole that cooperates with front wheel spindle 6, and it is hinged that front wheel spindle 6 passes axis hole and the front damper 17 of two walls of " U " type journal stirrup 17a.
Referring to Fig. 4, when the motor-tricycle of the damper device of employing the utility model motor-tricycle torsion bar type forward mounting travels, front-wheel 7 produces bob and drives Rocker arm 5 and fluctuate under impact shock; Rocker arm 5 is converted to the torsion bar spring 4 that moment of torsion passes to the torsion bar spring shock absorber with vibratory impulse power, and the twisting of the torsion bar spring 4 by the torsion bar spring shock absorber realizes vibration damping.Because the setting of front damper 17, the vibratory impulse power of front-wheel 7 passes to front damper 17 by Rocker arm 5, force front damper 17 compressions, in the compression stroke process of damper, the vibratory impulse energy is decayed gradually, and the upstroke of rocking arm weakens, and can reduce the impact shock frequency of front-wheel 7, consume the up impact energy of rocking arm, can also make front damper 17 support the swing of restriction front-wheel 7 as the pair of front fork simultaneously.When the torsion bar type front-end equipment when bearing heavy duty; the yielding rubber head 9 of the up and limit base 8 of Rocker arm 5 contacts; make yielding rubber head 9 deformation in compressions realize buffering; front damper 17 compressions simultaneously; the vibratory impulse energy is decayed gradually; can effectively limit rocking arm and transmit excessive torque to the torsion bar spring shock absorber, guarantees that moment of torsion that rocking arm transmits in the elastic deformation area of the torsion bar spring of torsion bar spring shock absorber, prevents that torsion bar spring from entering the plastically deforming area under external force and causing elastic failure.
Claims (5)
1. the damper device of motor-tricycle torsion bar type forward mounting, comprise front fork, it is characterized in that: described front fork has downward extension and the recurvate rear supporting tube of two symmetries, a described left side, horizontally set one torsion bar spring shock absorber between the right back support tube lower end, the two ends, the torsion bar spring left and right sides of torsion bar spring shock absorber empty cover respectively are supported on a left side, in the through hole that right back support tube lower end is provided with, and circumferential captive joint one rocking arm separately, two rocking arms are parallel to be extended and the hinged formation torsion bar type of front wheel spindle front-end equipment forward, the left side of described torsion bar type front-end equipment, two front dampers are installed respectively between right back support tube and the front wheel spindle, two front damper symmetries, the upper end of front damper and rear supporting tube are by bolted splice, and lower end and the front wheel spindle of front damper are hinged.
2. the damper device of motor-tricycle torsion bar type according to claim 1 forward mounting, it is characterized in that: the upper and lower end of described front damper is respectively equipped with hinged journal stirrup, rear supporting tube is provided with hinged support, the hinged journal stirrup of front damper upper end is hinged by the hinged support on bolt and the rear supporting tube, and hinged journal stirrup and the front wheel spindle of described front damper lower end are hinged.
3. the damper device of motor-tricycle torsion bar type according to claim 2 forward mounting, it is characterized in that: the hinged journal stirrup of described front damper lower end is " U " type journal stirrup, two walls that should " U " type journal stirrup are symmetrical arranged the axis hole that cooperates with front wheel spindle.
4. the damper device of motor-tricycle torsion bar type according to claim 1 forward mounting, it is characterized in that: be provided on the described rear supporting tube the up spacing limit base of rocking arm, this limit base is provided with hinge hole, and the hinged journal stirrup of described front damper upper end is hinged by bolt and limit base.
5. according to the damper device of claim 1 or 2 or 4 described motor-tricycle torsion bar type forward mountings, it is characterized in that: the bending backward of described rear supporting tube arranges hinged support or limit base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151758 CN203142938U (en) | 2013-03-29 | 2013-03-29 | Damper device of motor tricycle torsion bar type front suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151758 CN203142938U (en) | 2013-03-29 | 2013-03-29 | Damper device of motor tricycle torsion bar type front suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203142938U true CN203142938U (en) | 2013-08-21 |
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ID=48970484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320151758 Expired - Fee Related CN203142938U (en) | 2013-03-29 | 2013-03-29 | Damper device of motor tricycle torsion bar type front suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203142938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627946A (en) * | 2016-12-30 | 2017-05-10 | 徐中芝 | Balanced type suspension frame and motor vehicle |
| CN116118922A (en) * | 2022-12-25 | 2023-05-16 | 重庆宗申创新技术研究院有限公司 | Front suspension vibration damper for motor tricycle |
-
2013
- 2013-03-29 CN CN 201320151758 patent/CN203142938U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627946A (en) * | 2016-12-30 | 2017-05-10 | 徐中芝 | Balanced type suspension frame and motor vehicle |
| CN116118922A (en) * | 2022-12-25 | 2023-05-16 | 重庆宗申创新技术研究院有限公司 | Front suspension vibration damper for motor tricycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20210329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |