CN111017092A - External hanging fork type swing arm independent suspension mechanism - Google Patents
External hanging fork type swing arm independent suspension mechanism Download PDFInfo
- Publication number
- CN111017092A CN111017092A CN201911130406.0A CN201911130406A CN111017092A CN 111017092 A CN111017092 A CN 111017092A CN 201911130406 A CN201911130406 A CN 201911130406A CN 111017092 A CN111017092 A CN 111017092A
- Authority
- CN
- China
- Prior art keywords
- swing arm
- fork
- independent suspension
- suspension mechanism
- fixing column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/05—Tricycles characterised by a single rear wheel
-
- 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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- 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
- B62K25/12—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg
- B62K25/22—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with more than one arm on each fork leg
- B62K25/26—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with more than one arm on each fork leg for rear wheel
Abstract
The invention discloses an externally-hung connection fork type swing arm independent suspension mechanism. The angle limiting and positioning device comprises a connecting assembly, a middle shaft fixing column, swing arms and movable frames on the left side and the right side, a spring seat, an angle limiting and positioning sheet, an upper three-star connecting rod, a lower three-star connecting rod, and a tightening bolt assembly with a bearing, wherein the upper end seat of the upper three-star connecting rod, the angle limiting and positioning sheet and a thick spring are welded on the middle shaft fixing column, and the lower end seat of the thick spring is welded on the. The balance spring seat is welded at the upper ends of the upper fork swing arms at the left side and the right side. All the components are connected into a mechanism which can move up and down between the swing arm and the movable frame within a limited angle range through a tightening bolt assembly with a bearing. The upper and lower three-star connecting rods are used for connecting with a direction rotating shaft of a motorcycle frame, and after the connection is successful, the mechanism can do all-directional synchronous equidirectional motion along with a direction steering shaft of the motorcycle frame. The invention can be widely used for indirectly connecting the double front wheels of the reverse three wheels (including electric), so that the double front wheels of the reverse three wheels are convenient to control and steer and run easily.
Description
Technical Field
The invention relates to the technical field of inverted three wheels, in particular to a mechanism with double front wheels capable of swinging left and right and automatically returning to a positive balance state.
Background
The inverted three-wheeled (including electric) motorcycle is a novel product, has better stable and safe trafficability than a two-wheeled motorcycle in a complex terrain environment, and particularly has stronger grip on the ground of a turning tire than the two-wheeled motorcycle. Compared with a four-wheel motorcycle, the reverse three-wheel (including electric) motorcycle is obviously simpler in structure and lower in cost, and is very popular with people in recent years.
Such as a standard inverted motor tricycle in france, the steering of which is achieved by electric and mechanical control of the front wheels. But the maneuverability is complex, the cost is high, and the driving is not easy to be habituated to common drivers. The domestic double front wheel assembly of Jili inverted tricycle applies the technology of four-wheel beach vehicle to it, needs the wheel track width of two-wheel great, just can ensure the stability of automobile body, and the road surface of generally narrow is difficult for passing through.
In general, the inverted motor tricycle generally adopts a left-right front double-wheel shock absorber to reduce the impact of a road surface on a vehicle body, has no vehicle body side-leaning self-aligning balancing device, and has low safety and stability when passing through a rugged road surface.
Disclosure of Invention
In order to overcome the problems in the common inverted tricycle, reduce the processing cost and simplify the production process, the invention provides a product which is mechanically and simply operated: the external hanging fork type swing arm independent suspension mechanism. A balance mechanism capable of aligning and enabling two sides of an axisymmetric figure to do axisymmetric motion under the intervention of a central axis is added into the mechanism. The fork type swing arm independent suspension commonly used by cars is added, and is connected with tires after being connected with the damping mechanism, so that the left tire and the right tire of the inverted tricycle can move stably, the gripping force on the ground can be increased when the front double wheels of the inverted tricycle roll over the car body under the action force of the balance spring, and the car can safely and stably pass through various uneven road surfaces. The mechanism is suitable for all the two-wheeled motorcycles to be changed into inverted three-wheeled motorcycles without changing the length, width and height of the prototype two-wheeled motorcycle, the size of the tires and the length of the shock absorbers.
In order to achieve the purpose, the invention adopts the technical scheme that: the left upper fork swing arm 1, the right upper fork swing arm 2, the left lower fork swing arm 3, the right lower fork swing arm 4, the left movable frame 5, the right movable frame 6, the coarse spring 7, the middle shaft fixing column 8, the upper and lower three-star connecting rods 9, the coarse spring seat 10, the balance spring 11, the balance spring seat 12, the angle limiting positioning sheet 13, the tightening bolt assembly 14 with the bearing, and the bearing 15 in the tightening bolt assembly with the bearing are placed in a movement fulcrum hole of each swing arm. The upper and lower three-star connecting rods, the angle limiting positioning sheet and the upper end seat of the thick spring are welded on the middle shaft fixing column, the lower end seat of the thick spring is welded on the lower swing arm, and the balance spring seat is welded on the upper ends of the upper fork swing arms on the left side and the right side. The components are connected through a tightening bolt assembly with a bearing to form a mechanism with a left swing arm and a right swing arm capable of independently or simultaneously moving up and down, and when the swing arms drive the movable frame to do various movements, the balance springs also simultaneously move properly. The mechanism can swing left and right to deform actively when external force acts, can return to normal and balance automatically when external force stops, and is connected with the damping mechanism through the left and right movable frames and then connected with the tire. When the force of the road surface with high or low roughness on the tire or the force of the driver on the vehicle body direction handle is applied, the fork type swing arm independent suspension mechanism is movably deformed, and the front double wheels of the inverted three wheels also properly move up and down.
According to the scheme, the angle limiting positioning piece is preset in the middle shaft fixing column, so that the vehicle body is controlled at 30 degrees when the vehicle turns and heels, and the vehicle is more stable and safer to drive.
Drawings
Fig. 1 is a rear perspective view of an externally docked fork swing arm independent suspension mechanism.
Fig. 2 is a front perspective view of an externally docked fork swing arm independent suspension mechanism.
Fig. 3 is a structural view of an externally docked fork arm swing independent suspension mechanism.
FIG. 4 is a perspective view of the external hanging connected fork type swing arm independent suspension mechanism, after the external hanging connected fork type swing arm independent suspension mechanism is connected with a shock absorption frame with a shock absorber, the shock absorption frame is connected with a double front wheel of an inverted tricycle.
Fig. 1 fig. 2 fig. 3 the externally docked fork swing arm independent suspension mechanism, wherein: the left upper fork swing arm 1, the right upper fork swing arm 2, the left lower fork swing arm 3, the right lower fork swing arm 4, the left movable frame 5, the right movable frame 6, the thick spring 7, the middle shaft fixing column 8, the upper and lower three-star connecting rods 9, the thick spring seat 10, the balance spring 11, the balance spring seat 12, the angle limiting positioning sheet 13, the tightening bolt assembly with the bearing 14 and the bearing 15.
Detailed description of the preferred embodiments
The preferred mode of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the external hanging connection fork type swing arm independent suspension mechanism comprises a connecting metal component, a left upper fork swing arm 1, a right upper fork swing arm 2, a left lower fork swing arm 3, a right lower fork swing arm 4, a left movable frame 5, a right movable frame 6, a coarse spring 7, a middle shaft fixing column 8, an upper three-star connecting rod 9, a coarse spring seat 10, a balance spring 11, a balance spring seat 12, a limiting angle positioning sheet 13, a tightening bolt assembly 14 with a bearing, wherein the bearing 15 in the tightening bolt assembly with the bearing is placed in a movement fulcrum hole of each swing arm. The upper and lower three-star connecting rods, the angle limiting positioning sheet and the upper end seat of the thick spring are welded on the middle shaft fixing column, the lower end seat of the thick spring is welded on the lower swing arm, and the balance spring seat is welded on the upper ends of the upper fork swing arms on the left side and the right side. The components are connected through a tightening bolt assembly with a bearing to form a mechanism with a left swing arm and a right swing arm capable of independently or simultaneously moving up and down, and when the swing arms drive the movable frame to do various movements, the balance springs also simultaneously move properly.
The upper and lower three-star connecting rods in the externally-hung connection fork type swing arm independent suspension mechanism are used for being connected with components on a steering shaft of the motorcycle in a connecting mode, 6 bolt holes are preset in the upper and lower three-star connecting rods and can be connected in a tightening mode through 6 bolts, and the middle shaft fixing column is parallel to the steering shaft of the motorcycle. After the connection is successful, the mechanism can synchronously move in the same direction with the steering handle after the steering handle of the motorcycle is rotated.
The vertical middle of a middle shaft fixing column in the externally-hung connected fork type swing arm independent suspension mechanism is arranged in the same straight line with two shaft hole points on the line, the radius of the shaft holes is the same, the shaft holes are arranged from top to bottom, a first hole is used for being connected with bearing holes of left and right upper fork swing arms, and a second hole is used for being connected with bearing holes of left and right lower fork swing arms. And bearing holes of the swing arm for connecting with the middle shaft fixing column are the same in size. The size of the shaft hole on the left and right movable frames is the same, and the radius of the shaft hole connected with the swing arm is the same. Under the action of external force, the left and right movable frames can independently move up and down or synchronously move up and down in axial symmetry at two sides. Distances from the connecting holes of the upper fork type swing arm and the lower fork type swing arm on the left side and the right side and the connecting holes of the fixed column of the middle shaft to the connecting holes of the motion frame are the same. The shapes and parameters of the upper fork swing arm and the lower fork swing arm on the left side are the same, and the shapes and parameters of the upper fork swing arm and the lower fork swing arm on the right side are the same. The swing arms on the left side and the right side are just similar in shape, and the parameter values are not completely the same.
The appearance of a left movable frame and a right movable frame in the externally-hung and plugged fork type swing arm independent suspension mechanism is similar, the left movable frame and the right movable frame can not be mixed and used because the movable frames are placed in a left-right mode, and all parameters such as shaft holes and length are the same.
Two groups of 90-degree-direction bolt holes are preset in a square tube at the rear part of a movable frame in the externally-connected fork type swing arm independent suspension mechanism and are used for being connected with a tire after being connected with a damping machine frame. When the left and right movable frames are movably deformed, the tire also moves up and down properly and synchronously.
The upper ends of the fork swing arms on the left side and the right side of the externally-hung and connected fork swing arm independent suspension mechanism are provided with balance springs for balancing the action of the left movable frame and the right movable frame. When the swing arm drives the movable frame to move up and down, the balance spring slightly moves leftwards or rightwards.
The balance springs at the upper ends of the fork swing arms on the left side and the right side of the externally-connected fork swing arm independent suspension mechanism are used for assisting the action of the left movable frame and the right movable frame. When the swing arm moves, the balance spring has corresponding acting force to increase the acting force in the opposite direction corresponding to the other swing arm with the shaft symmetry, and no matter the swing arm on the left or the right moves up and down independently or simultaneously, the fork type swing arm can not directly push the swing arm on the other side, and only can exert the acting force on the other swing arm through the balance spring.
The length of the fork type swing arms on the left side and the right side in the externally-connected fork type swing arm independent suspension mechanism is the same, the distances from balance spring seats on the two sides to a middle shaft fixing column connecting hole of the upper fork type swing arm are equal, the parameters of the left thick spring and the right thick spring are the same, the mechanism is in an axisymmetric pattern, can swing left and right to movably deform under the action of external force, and can automatically return to positive balance when the external force stops acting. The angle limiting positioning piece is preset in the middle shaft fixing column, so that the vehicle body is controlled at 30 degrees when the vehicle turns and heels, and the vehicle is more stable and safer to drive.
The upper and lower three-star connecting rods on the middle shaft fixing column of the externally-connected fork type swing arm independent suspension mechanism can move up and down to a proper position to perform positioning welding when aiming at a specific vehicle type, and the rear inclined plane angle square tube connected with the damping mechanism on the movable frame can be preset in angle and the length of the swing arm can be shaped before production. Therefore, the mechanism is suitable for all the two-wheeled motorcycles to be changed into novel inverted three-wheeled motorcycles without changing the length, the width and the height of the original vehicle, the size of tires and the length of the shock absorbers particularly for a certain vehicle type.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone with the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present application, fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides an external fork swing arm independent suspension mechanism of plugging into which characterized in that: the device comprises a connecting metal component, a left upper fork swing arm (1), a right upper fork swing arm (2), a left lower fork swing arm (3), a right lower fork swing arm (4), a left movable frame (5), a right movable frame (6), a thick spring (7), a middle shaft fixing column (8), an upper three-star connecting rod, a lower three-star connecting rod (9), a thick spring seat (10), a balance spring (11), a balance spring seat (12), a limited angle positioning sheet (13), a tightening bolt assembly (14) with a bearing, wherein the bearing (15) in the tightening bolt assembly with the bearing is placed in a movement fulcrum hole of each swing arm. The upper and lower three-star connecting rods, the angle limiting positioning sheet and the upper end seat of the thick spring are welded on the middle shaft fixing column, the lower end seat of the thick spring is welded on the lower swing arm, and the balance spring seat is welded on the upper ends of the upper fork swing arms on the left side and the right side. The components are connected through a tightening bolt assembly with a bearing to form a mechanism with a left swing arm and a right swing arm capable of independently or simultaneously moving up and down, and when the swing arms do various movements, the balance spring also simultaneously moves properly.
2. The externally docked forked swing arm independent suspension mechanism of claim 1, wherein: the upper and lower three-star connecting rods are used for being connected with components on a steering shaft of the motorcycle in a tightening way, 6 bolt holes are preset on the upper and lower three-star connecting rods and can be connected with 6 bolts in a tightening way, and the middle shaft fixing column is parallel to the steering shaft of the motorcycle. After the connection is successful, the mechanism can synchronously move in the same direction with the steering handle after the steering handle of the motorcycle is rotated.
3. The externally docked forked swing arm independent suspension mechanism of claim 1, wherein: two shaft hole points on the middle shaft fixing column are arranged on a vertical central line of the middle shaft fixing column in the same straight line, the shaft hole radiuses are the same, the shaft hole radiuses are arranged from top to bottom, the first hole is used for being connected with bearing holes of a left upper fork swing arm and a right upper fork swing arm, and the second hole is used for being connected with bearing holes of a left lower fork swing arm and a right lower fork swing arm. And bearing holes of the swing arm for connecting with the middle shaft fixing column are the same in size.
4. The externally docked forked swing arm independent suspension mechanism of claim 1, wherein: the size of the shaft hole on the left and right movable frames is the same, and the radius of the shaft hole connected with the swing arm is the same. The shapes of the movable frames on the left side and the right side are similar, but all parameters are the same. Under the action of external force, the left and right movable frames can independently move up and down or synchronously move up and down in axial symmetry at two sides.
5. The externally docked forked swing arm independent suspension mechanism of claim 1, wherein: the distances from the connecting holes of the middle shaft fixing column in the upper fork swing arm and the lower fork swing arm on the left side and the right side to the connecting holes of the motion frame are the same. The left upper fork swing arm and the right lower fork swing arm are identical. The left and right swing arms are just similar but not identical in shape.
6. The externally docked forked swing arm independent suspension mechanism of claim 1, wherein: two groups of 90-degree-direction bolt holes are preset in the square tube at the rear of the movable frame and at the angle of the preset inclined plane, and are used for being connected with the tire after being connected with the shock absorption machine frame. When the left and right movable frames are movably deformed, the tire also moves up and down properly and synchronously.
7. The externally docked forked swing arm independent suspension mechanism of claim 1, wherein: the upper ends of the left upper fork swing arm and the right upper fork swing arm are provided with balance springs for balancing and assisting the action of the left movable frame and the right movable frame. When the swing arm moves, the movable frame is driven to move up and down, the upper fork swing arm has corresponding acting force on the balance spring, and the other side of the movable frame which is symmetrical to the shaft is correspondingly and reversely acted.
8. The externally docked forked swing arm independent suspension mechanism of claim 1, wherein: no matter the swing arm on the left or right moves up and down independently or simultaneously, the fork type swing arm can not directly push the swing arm on the other side, and only can exert acting force on the swing arm on the other side with axial symmetry through the balance spring.
9. The externally docked forked swing arm independent suspension mechanism of claim 1, wherein: the lengths of the fork type swing arms on the left side and the right side are the same, the distances from the balancing spring seats on the two sides to the connecting holes of the middle shaft fixing column of the upper fork type swing arm are the same, and the parameters of the thick springs on the left side and the right side are the same, so that the externally-hung and connected independent suspension mechanism of the fork type swing arm is in an axisymmetric pattern, can swing left and right to movably deform under the action of external force, and can automatically return to positive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130406.0A CN111017092A (en) | 2019-11-15 | 2019-11-15 | External hanging fork type swing arm independent suspension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130406.0A CN111017092A (en) | 2019-11-15 | 2019-11-15 | External hanging fork type swing arm independent suspension mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111017092A true CN111017092A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911130406.0A Pending CN111017092A (en) | 2019-11-15 | 2019-11-15 | External hanging fork type swing arm independent suspension mechanism |
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| CN (1) | CN111017092A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160355229A1 (en) * | 2015-06-04 | 2016-12-08 | Shengzhou Zhonggong Electrical, Ltd. | Inverted tricycle |
| CN106585810A (en) * | 2017-02-15 | 2017-04-26 | 天津内燃机研究所（天津摩托车技术中心） | Front wheel swinging inclining mechanism for double-front-wheel motorcycle |
| CN207860349U (en) * | 2018-02-07 | 2018-09-14 | 河北铭亮新能源科技有限公司 | A kind of simple multi link is from tilting suspension frame structure |
| CN108725655A (en) * | 2018-06-07 | 2018-11-02 | 叶奇正 | The anti-rollover body mechanism of multiwheel vehicle |
| CN208291404U (en) * | 2018-02-01 | 2018-12-28 | 冯健 | A kind of deflection mechanism with damping and the nutation type vehicle using it |
| CN109878616A (en) * | 2019-04-04 | 2019-06-14 | 天津内燃机研究所（天津摩托车技术中心） | The support steering mechanism of two front wheels motorcycle |
| CN110395342A (en) * | 2019-08-13 | 2019-11-01 | 吕榕志 | Parallelogram axial symmetry (upper and lower) motion deformation goes back to positive balance mechanism certainly |
-
2019
- 2019-11-15 CN CN201911130406.0A patent/CN111017092A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160355229A1 (en) * | 2015-06-04 | 2016-12-08 | Shengzhou Zhonggong Electrical, Ltd. | Inverted tricycle |
| CN106585810A (en) * | 2017-02-15 | 2017-04-26 | 天津内燃机研究所（天津摩托车技术中心） | Front wheel swinging inclining mechanism for double-front-wheel motorcycle |
| CN208291404U (en) * | 2018-02-01 | 2018-12-28 | 冯健 | A kind of deflection mechanism with damping and the nutation type vehicle using it |
| CN207860349U (en) * | 2018-02-07 | 2018-09-14 | 河北铭亮新能源科技有限公司 | A kind of simple multi link is from tilting suspension frame structure |
| CN108725655A (en) * | 2018-06-07 | 2018-11-02 | 叶奇正 | The anti-rollover body mechanism of multiwheel vehicle |
| CN109878616A (en) * | 2019-04-04 | 2019-06-14 | 天津内燃机研究所（天津摩托车技术中心） | The support steering mechanism of two front wheels motorcycle |
| CN110395342A (en) * | 2019-08-13 | 2019-11-01 | 吕榕志 | Parallelogram axial symmetry (upper and lower) motion deformation goes back to positive balance mechanism certainly |
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