CN219115632U

CN219115632U - Swinging device for tricycle

Info

Publication number: CN219115632U
Application number: CN202222453377.5U
Authority: CN
Inventors: 王国富; 练红亮; 杨佳申; 冯亮
Original assignee: Zhejiang Rap Intelligent Vehigle Co ltd
Current assignee: Zhejiang Rap Intelligent Vehigle Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-06-02
Anticipated expiration: 2032-09-16

Abstract

The utility model provides a tricycle swinging device, which comprises a base and a main shaft partially arranged in the base, wherein a torsion bar is connected with the main shaft in the base. According to the utility model, the driving arm is driven by the driving motor to drive the linkage rod to reciprocate, the linkage rod drives the swing arm to reciprocate under the action of the power-assisted spring, the swing arm drives the connecting plate to reciprocate through the first rotating shaft, the connecting plate drives the locking block through the second connecting plate, the locking block and the angle limiting block are locked and matched to start the swinging device according to actual needs, and the swinging is slowed down through the torsion bar, or the locking block is separated from being matched with the angle limiting block to close the swinging device. The locking piece, connecting plate, second connecting plate, installing support have formed four bar linkage, and usable dead point characteristic when second connecting plate and connecting plate are in same straight line, have formed triangle-shaped's stable structure, and the locking piece can combine together with the angle stopper completely, realizes the locking. The locking mode is firmer and more reliable, and simultaneously, the unlocking and the separation are more convenient.

Description

Swinging device for tricycle

Technical Field

The utility model relates to the field of tricycles, in particular to a tricycle swinging device.

Background

At present, tricycles have widely entered into the production and living of masses due to the advantages of convenient cargo carrying, simple operation, low price, good quality, durability and the like. The traditional motor tricycle generally adopts a structure that a single wheel is arranged in front and a double wheel is arranged in back, the positions of the two wheels on the back side are fixed, a shock absorber is arranged at the lower part of a seat cushion, and jolt and vibration of the tricycle in running are buffered through the shock absorber, so that the driving comfort is improved. However, the anti-rolling capability and the turning capability of the tricycle in the running process are poor, the vehicle roll can occur when the vehicle speed is slightly high, the rollover accident can easily occur, and meanwhile, the passing performance of the tricycle against a bumpy road surface is poor.

In order to solve the problem that the tricycle turns unstably, the tricycle sways ware has been released on the market, and general sways ware includes actuating mechanism and locking mechanism, and current sways ware adopts locking simple structure, and locking effect is not good, and is not firm enough, turns on one's side easily when receiving great external force still, is unstable inadequately.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the rocker for the three-wheeled vehicle, which can realize locking and keep the vehicle stable and difficult to turn over.

The technical scheme adopted is as follows:

the utility model provides a tricycle sways ware, includes base, part locates the inside main shaft of base, and the main shaft is located base internally connected with the torsion bar, the torsion bar on connect angle stopper, the inside locking mechanism and actuating mechanism of still being equipped with of base, actuating mechanism include driving motor, by driving motor drive and side-to-side's actuating arm, restriction actuating arm range of motion's travel switch, locking mechanism including the swing arm that cooperates with angle stopper and realize locking, drive locking piece motion, locate connecting plate between locking piece and the swing arm, fix the installing support in the base bottom, locking piece with the installing support rotatable coupling, the swing arm on be equipped with drive connecting plate, rotatable first pivot and the second pivot of installing support of installing, the connecting plate connect and set up in first pivot, connecting plate and locking piece between be equipped with movable second connecting plate, the actuating arm on be equipped with the gangbar of complex, the gangbar be located the second pivot both sides and be equipped with the spring that can promote swing arm motion along with the gangbar motion, travel switch and drive circuit.

Further, the angle limiting block can be provided with tooth-shaped grooves, and the locking block can be provided with teeth matched with the tooth-shaped grooves.

Further, when the second connecting plate and the connecting plate are in the same straight line, teeth on the locking block can be completely combined with tooth-shaped grooves of the angle limiting block, and locking is achieved.

Further, the travel switches are arranged on the left side and the right side of the driving arm, and the positions of the two travel switches are respectively arranged at the positions where the locking block is completely combined with the angle limiting block and the position where the locking block is completely separated from the angle limiting block.

Further, a through hole matched with the linkage rod is formed in the second rotating shaft.

Further, the locking block connecting plate comprises two movable plates which are connected with each other.

Further, the base is connected with the front car body, and the main shaft is connected with the rear car body.

Further, the driving motor can be a gear motor, and comprises a direct current motor and a reduction gearbox, wherein the reduction gearbox comprises a worm gear and a multi-stage straight gear.

Further, the booster springs positioned on the two sides of the second rotating shaft on the linkage rod are matched with the second rotating shaft.

Further, the linkage rod is provided with a stop nut capable of adjusting the elasticity of the booster spring.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the driving motor drives the driving arm to drive the linkage rod to reciprocate, the reciprocating linkage rod drives the swing arm to reciprocate under the action of the power-assisted spring, the swing arm drives the connecting plate to reciprocate through the first rotating shaft, the connecting plate drives the locking block through the second connecting plate, and according to actual needs, the locking block and the angle limiting block are locked and matched to start the swinging device, and the torsion rod is used for slowing down the swinging, or the locking block is separated from being matched with the angle limiting block to close the swinging device. The locking piece, connecting plate, second connecting plate, installing support have formed four bar linkage, and usable dead point characteristic when second connecting plate and connecting plate are in same straight line, have formed triangle-shaped's stable structure, and the locking piece can combine together with the angle stopper completely, realizes the locking. The locking mode is firmer and more reliable, and simultaneously, the unlocking and the separation are more convenient.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an enlarged view of a portion of fig. 1 a.

Fig. 3 is a schematic view of the drive structure and locking mechanism of the present utility model.

Fig. 4 is a schematic view of another angular configuration of the present utility model.

The device comprises a base 1, a main shaft 2, an angle limiting block 3, a locking block 4, a connecting plate 5, a swing arm 6, a mounting bracket 7, a linkage rod 8, a driving arm 9, a gear motor 10, a tooth-shaped groove, teeth 12, a travel switch 13, a booster spring 14, a first rotating shaft 61 and a second rotating shaft 62.

Detailed Description

The utility model is further illustrated below with reference to examples.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and for simplification of the description, and are not to be construed as limiting the present utility model.

Referring to fig. 1 and 2, a tricycle swinging device comprises a base 1 and a main shaft 2 partially arranged in the base, wherein the main shaft is positioned in the base and is connected with a torsion bar, an angle limiting block 3 is connected on the torsion bar, a locking mechanism and a driving mechanism are further arranged in the base 1, the driving mechanism comprises a driving motor 10, a driving arm 9 driven by the driving motor to swing left and right and a travel switch 13 limiting the movement range of the driving arm, a necessary transmission device such as a bevel gear set and a speed reducer can be arranged between the driving motor 10 and the driving arm 9 according to the installation requirement, and the driving arm 9 can be directly installed on a motor shaft of the driving motor 10 or on a power output shaft of the bevel gear set and the speed reducer. The locking mechanism comprises a locking block 4 which is matched with the angle limiting block 3 to realize locking, a swing arm 6 which drives the locking block to move, a connecting plate 5 which is arranged between the locking block 4 and the swing arm 6, and a mounting bracket 7 which is fixed at the bottom of the base 1, wherein the locking block 4 is rotatably connected with the mounting bracket 7, the swing arm 6 is provided with a first rotating shaft 61 and a second rotating shaft 62 which drive the connecting plate 5 and are rotatably arranged on the mounting bracket, the connecting plate 5 is connected with the first rotating shaft 61, a movable second connecting plate is arranged between the connecting plate 5 and the locking block 4, a linkage rod 8 which is matched with the swing arm 6 is arranged on the driving arm 9, and booster springs 14 which can push the swing arm 6 to move along with the movement of the linkage rod 8 are arranged on two sides of the second rotating shaft 62. The base 1 is connected with the front body of the tricycle, one end of the main shaft 2 is connected with the rear body of the tricycle, and the other end of the main shaft is arranged in the base 1. The base 1 is internally provided with a bearing seat, the bearing seat is provided with a bearing, the main shaft 2 is connected with the base 1 through the bearing, and the main shaft 2 can rotate relative to the base 1, namely, the vehicle swings. Meanwhile, the angle limiting block 3 is fixedly connected with the torsion bar on the main shaft 2 and can swing along with the rotation of the main shaft 2.

Further, the driving mechanism and the locking mechanism are both arranged inside the base 1 and located on one side of the main shaft 2.

Further, the driving arm 9 is connected to the driving shaft of the driving motor 10, and the driving motor 10 can drive the driving arm 9 to swing left and right when being started, so as to drive the linkage rod 8 on the driving arm 9 to reciprocate left and right.

Further, the travel switch 13 is connected with a driving circuit of the driving motor, the travel switches 13 are arranged on two sides of the driving arm 9, baffles are arranged on the two travel switches 13, when the driving arm 9 moves to the baffles, the driving arm 9 can be blocked by the baffles, and the baffles and the travel switches control a parameter of the driving motor 10 to start and stop, so that the moving range of the driving motor is controlled. The two travel switches 13 are respectively arranged at positions which can completely combine and separate the locking block 4 and the angle limiting block 3.

Further, the second connecting plate that connecting plate 5 include be equipped with two, two second connecting plate activity are embraced and are established between locking piece 4 and connecting plate 5, two second connecting plate ends can rotate respectively and connect locking piece 4 and connecting plate 5, swing arm 6, connecting plate 5, second connecting plate, installing support 7 form a four-bar linkage structure, when locking second connecting plate and connecting plate 5 are in same straight line, can constitute the dead point of locking stop piece, usable dead point characteristic forms triangle-shaped stable structure, makes locking piece 4 closure angle stopper 3, tooth 12 on the locking piece 4 can combine together with the tooth groove of angle stopper 3 completely, realizes the locking.

Further, the second rotating shaft 62 of the swing arm 6 is provided with a through hole matched with the linkage rod 8, and the booster springs 14 positioned on two sides of the second rotating shaft 62 on the linkage rod 8 are matched with the second rotating shaft 62. The second rotating shaft 62, the through hole and the power-assisted spring 14 are combined to effectively convert the reciprocating motion of the linkage rod 8 into the reciprocating swing of the swing arm 6. The linkage rod 8 passes through the through hole and is connected with the swing arm 6, and the spring is sleeved on the two sides of the second rotating shaft 62 of the linkage rod 8.

Further, the linkage rod 8 is provided with a stop nut capable of adjusting the elasticity of the booster spring 14, and a stop plate can be further arranged, and different compression capacities of the booster spring 14 are set through adjusting the stop nut so as to drive the swing arm 6 to move through corresponding pressure.

When the tricycle swings, the switch is manually turned on, and the driving motor 10 drives the driving arm 9 to rotate rightwards after receiving the locking signal of the swinging device until the tricycle touches the right side travel switch and then stops. The linkage rod 8 connected to one end of the driving arm 9 is driven by the driving arm 9 to move to the right of the corresponding side, and the booster spring 14 on the left side is in a compressed state at the moment, so that elasticity can be provided for the swing arm 6.

If the teeth 12 of the locking block 4 are aligned with the tooth-shaped grooves of the angle limiting block 3 (the vehicle is in a neutral position), the power-assisted spring 14 releases the elastic force and pushes the locking swing arm 6 to drive the locking block 4 to move rightwards, and the teeth 12 and the tooth-shaped grooves on the locking block 4 are combined to realize locking; the main shaft 2 is connected with the base 1.

When the drive motor 10 drives the lock operation, the teeth 12 of the lock block 4 are not aligned with the tooth grooves of the angle limiting block 3 (the vehicle is in a swing position, the teeth 12 are staggered with the grooves), and when the vehicle body swings to a neutral position, the lock is realized under the elastic force of the booster spring 14.

When the driving motor 10 receives the unlocking signal of the rocker and then reverses, the driving arm 9 is driven to rotate leftwards until the driving arm contacts a left travel switch and then stops, and at the moment, if no large lateral force exists between the teeth 12 of the locking block 4 and the groove of the angle limiting block 3, the teeth 12 of the locking block 4 can be separated from the groove of the angle limiting block 3 to realize unlocking; if larger lateral force generated by serious vehicle rolling between the teeth 12 of the locking block 4 and the groove of the angle limiting block 3 can not be directly separated, the right spring compresses and stores energy, and when the lateral force of the vehicle body sways to the neutral position is smaller, the locking swing arm 6 is pushed to drive the locking block 4 under the action of spring force, so that unlocking is realized.

As a further preferable mode, the angle limiting block 3 can be provided with a tooth-shaped groove, and the locking block 4 can be provided with teeth 12 matched with the tooth-shaped groove; teeth can also be arranged on the angle limiting block 3, and matched tooth grooves can also be arranged on the locking block 4. Only the angle limiting speed 3 and the locking block 4 can be matched with each other to realize locking.

As a further preferred aspect, the driving motor 10 may be a gear motor, and the gear motor 10 includes a dc motor located above and a gearbox located below, where the gearbox is composed of a worm gear and a multi-stage spur gear, so as to achieve speed reduction, torque increase and self-locking.

The utility model comprises a driving mechanism and a locking mechanism, wherein the driving mechanism is used for controlling the locking mechanism to realize locking, and the state of the locking block is adjusted according to different conditions of the tricycle, so that the rollover of the vehicle can be prevented. The locking piece, connecting plate, second connecting plate, installing support have formed four bar linkage, utilize the dead point characteristic, when second connecting plate and connecting plate are in same straight line, have formed triangle-shaped's stable structure, and the locking piece can combine together with the angle stopper completely, realizes the locking. The locking mode is firmer and more reliable, and simultaneously, the unlocking and the separation are more convenient.

The above description is only of the specific embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily practice the present utility model

Modifications and substitutions are contemplated as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a tricycle sways ware, includes base (1), part locates inside main shaft (2) of base, its characterized in that: the main shaft is positioned in the base and internally connected with a torsion bar, the torsion bar is internally connected with an angle limiting block (3), the base (1) is internally provided with a locking mechanism and a driving mechanism, the driving mechanism comprises a driving motor (10), a driving arm (9) which is driven by the driving motor to swing left and right and a travel switch (13) which limits the movement range of the driving arm, the locking mechanism comprises a locking block (4) which is matched with the angle limiting block (3) to realize locking, a swinging arm (6) which drives the locking block to move, a connecting plate (5) which is arranged between the locking block (4) and the swinging arm (6), a mounting bracket (7) which is fixed at the bottom of the base (1), the locking block (4) is rotatably connected with the mounting bracket (7), the swinging arm (6) is provided with a driving connecting plate (5), a first rotating shaft (61) and a second rotating shaft (62) which are rotatably arranged on the mounting bracket, the connecting plate (5) is connected with the second connecting plate (5) which is arranged between the locking block (4) and the swinging arm (6) and is matched with the swinging arm (8), the two sides of the second rotating shaft (62) of the linkage rod (8) are provided with a booster spring (14) which can push the swing arm (6) to move along with the movement of the linkage rod (8), and the travel switch (13) is connected with a driving circuit of the driving motor.

2. The tricycle rocker as claimed in claim 1, characterised in that: the angle limiting block (3) can be provided with a tooth-shaped groove, and the locking block (4) can be provided with teeth (12) matched with the tooth-shaped groove.

3. The tricycle rocker as claimed in claim 2, characterised in that: when the second connecting plate and the connecting plate (5) are positioned on the same straight line, the teeth (12) on the locking block (4) can be completely combined with the tooth-shaped grooves of the angle limiting block (3) to realize locking.

4. The tricycle rocker as claimed in claim 1, characterised in that: the travel switches (13) are arranged on the left side and the right side of the driving arm (9), and the positions of the two travel switches (13) are respectively arranged at the positions of the locking block (4) which is completely combined with and separated from the angle limiting block (3).

5. The tricycle rocker as claimed in claim 1, characterised in that: the second rotating shaft (62) is provided with a through hole matched with the linkage rod (8).

6. The tricycle rocker as claimed in claim 1, characterised in that: the second connecting plates are provided with a pair of connecting plates, and the pair of second connecting plates are embraced between the connecting plates (5) and the locking blocks.

7. The tricycle rocker as claimed in claim 1, characterised in that: the base (1) is connected with the front car body, the main shaft (2) is connected with the rear car body, and a torsion bar is arranged between the main shaft (2) and the base (1).

8. The tricycle rocker as claimed in claim 1, characterised in that: the driving motor (10) can be a gear motor, and comprises a direct current motor and a reduction gearbox, wherein the reduction gearbox comprises a worm gear and a multi-stage straight gear.

9. The tricycle rocker as claimed in claim 1, characterised in that: and the booster springs (14) positioned on two sides of the second rotating shaft (62) on the linkage rod (8) are matched with the second rotating shaft (62).

10. The tricycle rocker as claimed in claim 1 or 9, characterised in that: the linkage rod (8) is provided with a stop nut capable of adjusting the elasticity of the booster spring (14).