阅读说明：本技术 外挂接驳的双叉臂式独立悬架机构 (External hanging connected double-wishbone type independent suspension mechanism ) 是由 吕榕志 于 2019-10-31 设计创作，主要内容包括：本发明公开了一种外挂接驳的双叉臂式独立悬架机构。包括连接组件、平行杆、中轴固定柱、左右两边的摆臂及活动架、弹簧、弹簧座、限角定位片、上下三星连接杆及带轴承收紧螺栓总成,上下三星连接杆和限角定位片及粗弹簧上端座焊接在中轴固定柱上,粗弹簧下端座焊接在下摆臂上。幼弹簧上端座焊接在平行杆上,幼弹簧下端座焊接在活动架上。各组件通过带轴承收紧螺栓总成连接成一个可在限角范围内摇臂和活动架做上下运动的机构。上下三星连接杆用于和摩托车架的方向转动轴件连接,连接成功后本机构可随车架的方向转向轴做全方位同步同向运动。本发明可广泛用于间接连接倒三轮(含电动)的双前轮,使倒三轮的双前轮便于轻易操控转向及行驶。(The invention discloses an externally-hung connection double-wishbone type independent suspension mechanism. The angle limiting and positioning device comprises a connecting assembly, parallel rods, a middle shaft fixing column, swing arms, a movable frame, a spring seat, an angle limiting positioning sheet, an upper and a lower three-star connecting rods and a tightening bolt assembly with a bearing, wherein the swing arms and the movable frame are arranged on the left side and the right side of the middle shaft fixing column, the upper and the lower three-star connecting rods, the angle limiting positioning sheet and an upper end seat of a thick spring are welded on the middle shaft fixing column, and. The upper end seat of the young spring is welded on the parallel rods, and the lower end seat of the young spring is welded on the movable frame. All the components are connected into a mechanism which can move up and down between the rocker 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.)

1. The utility model provides an external double wishbone formula independent suspension mechanism of plugging into which characterized in that: the device comprises a connecting metal component, a parallel rod (1), a left upper swing arm (2), a right upper swing arm (3), a left lower swing arm (4), a right lower swing arm (5), a left movable frame (6), a right movable frame (7), a middle shaft fixing column (8), a thick spring (9), a thick spring seat (10), a small spring (11), a small spring seat (12), a take-up bolt assembly (13) with a bearing, a limiting angle positioning sheet (14), a movement auxiliary positioning rod (15), an upper and lower three-star connecting rod (16), a guide sleeve (18), wherein a bearing (17) in the take-up bolt assembly with the bearing is placed in a movement fulcrum hole of each swing arm and the parallel rod. 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, the upper end seat of the young spring is welded on the parallel rod, and the lower end seat of the young spring is welded on the movable frame. 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 parallel rods also simultaneously move properly.

2. The plug-in jointed double wishbone-type 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 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.

3. The plug-in jointed double wishbone-type independent suspension mechanism of claim 1, wherein: three shaft hole points on the middle shaft fixing column are arranged in the same straight line, the radius of the shaft holes is the same, the shaft holes are arranged from top to bottom, the first hole is used for being connected with a bearing hole in the center of the parallel rod, and the second hole and the third hole are used for being connected with bearing holes of left, right, upper and lower fork type swing arms. And bearing holes of the swing arm for connecting with the middle shaft fixing column are the same in size.

4. The plug-in jointed double wishbone-type 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 and all parameters of the movable frames on the left side and the right side 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 plug-in jointed double wishbone-type independent suspension mechanism of claim 1, wherein: the distances from the connecting holes of the middle shaft fixing column in the upper fork type swing arm and the lower fork type swing arm on the left side and the right side to the connecting holes of the motion frame are the same. The upper swing arm and the lower swing arm on the left side are identical, and the upper swing arm and the lower swing arm on the right side are identical. The left and right swing arms are just similar but not identical in shape.

6. The plug-in jointed double wishbone-type 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 plug-in jointed double wishbone-type independent suspension mechanism of claim 1, wherein: the upper end of the movable frame is provided with a movement auxiliary positioning rod for balancing the left and right movable frames. When the swing arm moves to drive the movable frame to move up and down, the movement auxiliary positioning rod can only slightly move leftwards or rightwards when moving up and down in the guide sleeve.

8. The plug-in jointed double wishbone-type independent suspension mechanism of claim 1, wherein: the upper end of the middle shaft fixing column is provided with a parallel rod for assisting the left and right movable frames. When the swing arm moves, the young spring on the movable frame has corresponding acting force on the parallel rod, and the other side of the parallel rod which is symmetrical to the shaft has corresponding opposite acting force on the movable frame, and the parallel rod can do the performance of left-to-right lifting or parallel immobility.

9. The plug-in jointed double wishbone-type independent suspension mechanism of claim 1, wherein: no matter the swing arm on the left or the right moves up and down independently or simultaneously, the movable frame can not directly push the parallel rod, and only can exert acting force on the parallel rod through the young spring.

10. The plug-in jointed double wishbone-type independent suspension mechanism of claim 1, wherein: the fork type swing arms on the left side and the right side have the same length, the distances from the center pivot of the parallel rod to the two sides are equal, the parameters of the left thick spring and the right thick spring are the same, and the parameters of the left spring and the right spring are the same, so that the externally-hung connected double-fork arm type independent suspension 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 the normal balance when the external force stops acting.

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: an externally-hung connected double-wishbone 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 double-fork independent suspension frame 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, and simultaneously, under the action force of the parallel rods, the gripping force on the ground can be increased when the front double wheels of the inverted tricycle roll over the car body, and the automobile 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 device comprises a connecting metal component, a parallel rod 1, a left upper swing arm 2, a right upper swing arm 3, a left lower swing arm 4, a right lower swing arm 5, a left movable frame 6, a right movable frame 7, a middle shaft fixing column 8, a thick spring 9, a thick spring seat 10, a young spring 11, a young spring seat 12, a tightening bolt assembly with a bearing 13, a limited angle positioning piece 14, an auxiliary movement positioning rod 15, an upper and lower three-star connecting rod 16 and a guide sleeve 18, wherein a bearing 17 in the tightening bolt assembly with the bearing is placed in a movement fulcrum hole of each swing arm and the parallel rod. 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, the upper end seat of the young spring is welded on the parallel rod, and the lower end seat of the young spring is welded on the movable frame. 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 parallel rods also simultaneously move properly. The mechanism can swing left and right to deform actively under the action of external force, can return to normal and balance automatically when the external force stops, and is connected with the tyre after being connected with the damping mechanism through the left and right movable frames. When the double-wishbone type independent suspension mechanism is movably deformed under the action of force of a rough road surface on tires or the action of a driver on a vehicle body direction handle, the front double wheels of the inverted three wheels also move up and down properly.

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 25 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-connected double wishbone independent suspension mechanism.

Fig. 2 is a front perspective view of an externally docked double wishbone independent suspension mechanism.

Fig. 3 is a structural view of an externally-connected double wishbone-type independent suspension mechanism.

Fig. 4 is a perspective view of the external hanging connected double-wishbone type independent suspension mechanism, after connecting a shock absorption frame with a shock absorber, the shock absorption frame is connected with a double front wheel of a reverse tricycle.

Fig. 1, fig. 2, fig. 3 show an externally connected double wishbone independent suspension mechanism, wherein: 1. the device comprises parallel rods, 2, a left upper swing arm, 3, a right upper swing arm, 4, a left lower swing arm, 5, a right lower swing arm, 6, a left movable frame, 7, a right movable frame, 8, a middle shaft fixing column, 9, a thick spring, 10, a thick spring seat, 11, a young spring, 12, a young spring seat, 13, a tightening bolt assembly with a bearing, 14, a limited angle positioning piece, 15, a motion auxiliary positioning rod, 16, an upper and lower three-star connecting rod, 17, a bearing, 18 and a guide sleeve.

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, an external-hanging connected double-wishbone type independent suspension mechanism comprises a connecting metal component, a parallel rod 1, a left upper swing arm 2, a right upper swing arm 3, a left lower swing arm 4, a right lower swing arm 5, a left movable frame 6, a right movable frame 7, a middle shaft fixing column 8, a thick spring 9, a thick spring seat 10, a small spring 11, a small spring seat 12, a tightening bolt assembly with a bearing 13, a limiting angle positioning sheet 14, an auxiliary movement positioning rod 15, an upper three-star connecting rod 16, a lower three-star connecting rod 16 and a guide sleeve 18, wherein a bearing 17 in the tightening bolt assembly with the bearing is placed in a movement fulcrum hole of each swing arm and the parallel rod. 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, the upper end seat of the young spring is welded on the parallel rod, and the lower end seat of the young spring is welded on the movable frame. 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 parallel rods also simultaneously move properly.

The upper and lower three-star connecting rods in the externally-hung connected double-wishbone type independent suspension mechanism are used for being connected with components on a steering shaft of the motorcycle, 6 bolt holes are preset on the upper and lower three-star connecting rods and can be connected by tightening 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.

Three shaft hole points on a middle shaft fixing column in the externally-hung connected double-fork-arm independent suspension mechanism are arranged in the same straight line, the radiuses of the shaft holes are the same, the three shaft holes are arranged from top to bottom, a first hole is used for being connected with a bearing hole in the center of a parallel rod, and a second hole and a third hole are used for being connected with bearing holes of left, right, upper and lower fork-arm 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 swing arm and the lower swing arm on the left side are the same, and the shapes and parameters of the upper swing arm and the lower 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.

Two groups of 90-degree-direction bolt holes are preset in a square tube at the rear of a movable frame in the externally-connected double-wishbone type 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 end of a movable frame in the externally-hung connected double-wishbone type independent suspension mechanism is provided with a motion auxiliary positioning rod for balancing the left and right movable frames. When the swing arm moves to drive the movable frame to move up and down, the motion-assisted positioning rod can only slightly move leftwards or rightwards when moving up and down in the guide sleeve.

A parallel rod is arranged at the upper end of a middle shaft fixing column in the externally-hung connected double-wishbone type independent suspension mechanism and is used for assisting the action of a left movable frame and a right movable frame. When the swing arm moves, the young spring on the movable frame has corresponding acting force on the parallel rod, and the other side of the parallel rod which is symmetrical to the shaft has corresponding opposite acting force on the movable frame, and the parallel rod can do the performance of left-to-right lifting or parallel immobility. No matter the swing arm on the left or the right moves up and down independently or simultaneously, the movable frame can not directly push the parallel rod, and only can exert acting force on the parallel rod through the young spring.

The length of the fork type swing arms on the left side and the right side in the externally-connected double-fork arm type independent suspension mechanism is the same, the distance from the center pivot of the parallel rod to the two sides is the same, the left side and the right side of the parallel rod are the same in the parameter value of the spring, the mechanism is in an axisymmetric pattern, can swing left and right. The angle limiting positioning piece is preset in the middle shaft fixing column, so that the vehicle body is controlled at 25 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 double-wishbone type independent suspension mechanism can move up and down to a proper position to be fixed and welded 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.