CN203391918U - Tail flicking vehicle - Google Patents

Abstract

The utility model relates to a tail throwing vehicle with double driving and double steering functions, which comprises a girder, a front swing wheel component, a rear swing wheel component and a seat cushion, wherein the front swing wheel component and the rear swing wheel component are respectively and rotatably arranged at the front end and the rear end of the girder; in addition, the swing frame also comprises a middle swing rod, the middle swing rod is rotatably arranged in the middle of the main beam, a pull rod is connected between the middle swing rod and the rear swing wheel assembly, two ends of the pull rod are respectively positioned at the left side and the right side of the main beam, and the seat cushion is arranged on the main beam. The swing car has the characteristics of double driving and double steering, and specifically comprises the following two driving steps: the front swing rod and the rear swing rod can drive the vehicle to move forwards; double steering: the front and rear swing rods can achieve the steering function of the vehicle, so that the controllability is better; the rear swing rod and the middle swing rod are connected through a pull rod, the middle swing rod is provided with a handle, a user holds the handle by two hands to control the middle swing rod handle to control the rear swing rod, then the movement of the bicycle is controlled, and the user can also control the front swing rod by two feet to control the movement of the bicycle.

Description

a drift car

technical field

The utility model relates to a sports body-building equipment, in particular to a flick car with double-drive and double-steering functions.

Background technique

Existing flick car comprises foot control wheel swing assembly, connecting rod assembly and seat frame, and foot control wheel swing assembly comprises foot handle, steering rod and front wheel, and foot handle is fixedly arranged on steering rod one end, and front wheel is arranged on steering rod. At the other end of the rod, the steering rod is rotatably connected to the front end of the connecting rod assembly, and the rear end of the connecting rod assembly is connected to the seat frame. The left and right sides of the seat frame are provided with a rear balance wheel assembly, which includes a rear wheel frame, a rear swing frame and rear wheel, the rear wheel frame is fixedly connected to the seat frame, the rear swing frame is connected to the rear wheel frame in rotation, and the rear wheel is connected to the rear swing frame in rotation; the driving principle of this drift car is characterized by: the front wheel uses The traditional eccentric yaw mechanism can flexibly control the forward and steering of the car. The axis of rotation of the rear wheel has a forward tilt angle, because of the existence of this angle, when the rear wheel rotates around this axis, there will be a height difference. When the shaft rotates, a height potential difference is generated, which increases the gravitational potential energy of the person. When the gravitational potential energy reaches the maximum, the gravitational potential energy will be converted into kinetic energy, and the two rear swing frames will circle the rear wheels and the ground. The point of contact rotates, so that the whole body moves forward, and the whole car moves forward at a certain speed by repeated rotation.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art, and provide a flick car with simple and reasonable structure, double-drive, double-steering characteristics, and better maneuverability.

The purpose of this utility model is achieved in that:

A kind of drift car, comprising a main beam, a front balance wheel assembly, a rear balance wheel assembly and a seat cushion, the front balance wheel assembly and the rear balance wheel assembly are respectively rotatably arranged at the front and rear ends of the main beam, and is characterized in that it also includes a middle swing wheel Rod, the middle swing rod is rotatably arranged in the middle of the main beam, a pull rod is connected between the middle swing rod and the rear balance wheel assembly, the two ends of the pull rod are respectively located on the left and right sides of the main beam, and the seat cushion is arranged on the main beam.

The purpose of this utility model can also adopt the following technical measures to solve:

As a more specific solution, the middle swing rod is U-shaped, the middle part of the middle swing rod is connected to the main beam in rotation, and the two ends of the middle swing rod are handles.

The handle at least one end of the middle swing rod is provided with a brake handle, and the brake handle is connected with a brake pad through a traction wire, and the brake pad is arranged on the rear balance wheel assembly. The handle cover is provided with a non-slip grip sleeve.

The joint between the middle swing link and the main beam is provided with a limiting member that limits the rotation angle of the middle swing link.

The limit member includes two limit bolts, one left and one right set on the main beam, and located on the side of the middle swing rod; the limit bolt is also covered with a soft sleeve and a locking The nut, the soft sleeve is limited outside the limit bolt by the lock nut.

The seat cushion is connected behind the middle swing rod through an adjustment block. There are multiple adjustment holes on the main beam, and the distance between the adjustment holes is equal. The adjustment block is composed of a connecting plate and an intubation tube. The bottom is provided with two intubations corresponding to any two adjustment holes, and the intubation tubes are plugged and matched with the adjustment holes.

The rear balance wheel assembly includes a rear swing rod and rear wheels that are oscillatingly arranged at both ends of the rear swing rod. Joining with the rear wheel frame, the two ends of the rear swing frame are rotated and matched with the rear wheel and the rear wheel frame respectively, and the brake pads are arranged on the rear swing frame.

The two ends of the pull rod are connected with the middle swing link and the rear swing link through the joint.

The active head includes a connecting handle and an active ball, one end of the connecting handle is connected with the pull rod, and the other end of the connecting handle is rollingly matched with the spherical surface of the active ball. The active ball is provided with a central hole, which runs through the upper and lower sides of the active ball; the middle pendulum Rod and rear swing link are respectively provided with hinged seat corresponding to the active head, and the central hole of the hinged seat and the active head is connected by a bolt nut, and the active head rotates around the bolt.

The front balance wheel assembly includes a steering rod, a foot handle and a front wheel. The steering rod is in rotation with the front end of the main beam. Turn to fit.

The center point of the rotation fit between the rear balance wheel assembly and the main beam is point O, the center point of the rotation fit between the middle swing rod and the main beam is point A, the rotation fit center point of the front balance wheel assembly and the main beam is point B, and from point O to A The ratio of point distance to point A to point B is 9 to 7; the position of point O is set within the range of 100mm before and after the specified ratio, and the position of point B is set within the range of 100mm before and after the specified ratio.

The beneficial effects of the utility model are as follows:

(1) This drift car has the characteristics of double drive and double steering, specifically, double drive: both the front swing bar and the rear swing bar can drive the car forward; double steering: both the front and rear swing bars can reach the steering position of the car function, so its handling is better;

(2) The rear swing rod and the middle swing rod are connected by a pull rod. The middle swing rod is equipped with a handle. The user controls the rear swing rod by holding the handle with both hands to control the handle of the middle swing rod, and then controls the movement of the car. The user also You can control the front swing bar with your feet to control the movement of the car;

(3) The seat cushion is matched with different adjustment holes on the main beam through the intubation tube of the adjustment block to realize the adjustment of the seat cushion, which can be used by people of different ages;

(4) There is a limit piece that limits the rotation angle of the middle swing rod, which can effectively prevent the car body from drifting due to the excessive swing angle of the middle swing rod;

(5) There is a soft cover outside the limiter, which can effectively eliminate the noise generated when it collides with the middle swing rod.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the utility model drift car.

FIG. 2 is a schematic diagram of an enlarged structure at point C in FIG. 1 .

Figure 3 is a schematic diagram of the decomposition structure of the drift car.

Fig. 4 is a schematic diagram of the connection structure between the pull rod and the active head.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

As shown in Figures 1 to 4, a drift car includes a main beam 2, a front balance wheel assembly 1, a rear balance wheel assembly 7 and a seat cushion 6, and the front balance wheel assembly 1 and the rear balance wheel assembly 7 are respectively rotated and arranged At the front and rear ends of the main beam 2, it is characterized in that it also includes a middle swing rod 3, which is rotated and arranged in the middle of the main beam 2, and a pull rod 8 is connected between the middle swing rod 3 and the rear balance wheel assembly 7, and the pull rod 8. Both ends are respectively located on the left and right sides of the main beam 2, and the seat cushion 6 is arranged on the main beam 2.

The middle swing rod 3 is U-shaped, the middle part of the middle swing rod 3 is connected to the main beam 2 in rotation, and the two ends of the middle swing rod 3 are handles 31 .

The handle 31 at one end of the middle pendulum 3 is provided with a brake handle 4, and the brake handle 4 is connected to the brake pad 10 through a traction wire 41, and the brake pad 10 is arranged on the rear balance wheel assembly 7.

The handle 31 is covered with a non-slip handle 5 .

A stopper 20 for limiting the rotation angle of the middle swing link 3 is provided at the joint between the middle swing link 3 and the main beam 2 .

The limit member 20 includes two limit bolts 201, and the two limit bolts 201 are set on the main beam 2, one left and one right, and are located on the side of the middle swing bar 3; the limit bolts 201 are also sleeved There is a soft cover 202 and a lock nut 203 , and the soft cover 202 is limited by the lock nut 203 outside the limit bolt 201 .

The seat cushion 6 is connected to the rear of the middle swing bar 3 through an adjustment block 9. There are a plurality of adjustment holes 21 on the main beam 2, and the distance between the adjustment holes 21 is equal. The adjustment block 9 is composed of a connecting plate 91 and an insertion tube 92. The connecting plate 91 is fixedly connected to the bottom of the seat cushion 6 , and the bottom of the connecting plate 91 is provided with two intubation tubes 92 corresponding to any two adjustment holes 21 , and the intubation tubes 92 are mated with the adjustment holes 21 . The lower end of the intubation tube 92 is provided with a pin hole, and the pin hole runs through both sides of the intubation tube 92 transversely, and the locking bolt 30 is inserted in the pin hole. When the seat cushion 6 is assembled, when the insertion tube 92 passes through the adjustment hole 21 from top to bottom, the lower end of the insertion tube 92 extends below the main beam 2, and then the locking bolt 30 is inserted into the pin hole provided at the lower end of the insertion tube 92, To prevent the seat cushion 6 from breaking away from the main beam 2.

The rear balance wheel assembly 7 includes a rear swing rod 71 and rear wheels 75 that are swingably arranged at both ends of the rear swing rod 71. The wheel frame 73 and the rear wheel 75 are connected with the rear wheel frame 73 through the rear swing frame 74. superior.

Both ends of the pull rod 8 are connected with the middle swing link 3 and the rear swing link 71 through the joint 81 .

The active head 81 includes a connecting handle 812 and an active ball 813. One end of the connecting handle 812 is connected to the pull rod 8, and the other end of the connecting handle 812 is rollingly matched with the spherical surface of the active ball 813. The active ball 813 is provided with a central hole 816, and the central hole 816 runs through The upper and lower sides of the active ball 813; the middle swing bar 3 and the rear swing bar 71 are respectively provided with a hinged seat 72 corresponding to the active head 81, and the hinged seat 72 is connected with the central hole 816 of the active head 81 by bolts 811 and nuts 815. 81 rotates around the bolt 811.

The front balance wheel assembly 1 includes a steering rod 13, a handle 11 and a front wheel 15, the steering rod 13 is in rotation with the front end of the main beam 2, the handle 11 is fixed on one end of the steering rod 13, and the other end of the steering rod 13 is provided with a front wheel. Wheel frame 14, front wheel 15 and front wheel frame 14 rotate and cooperate. The foot handle 11 is also provided with an anti-slip sleeve 12 .

The center point of rotation fit between the rear balance wheel assembly 7 and the main beam 2 is point O, the center point of rotation fit between the middle swing link 3 and the main beam 2 is point A, and the rotation fit center point between the front balance wheel assembly 1 and the main beam 2 is B Point, the ratio of the distance from point O to point A and the distance from point A to point B is 9 to 7; the position of point O is set within the range of 100mm before and after the specified ratio, and the position of point B is set within the range of 100mm before and after the specified ratio within range.

The driving principle is: the front wheel uses a traditional eccentric yaw mechanism, which can flexibly control the forward and steering of the car. The principle of rear wheel drive is that when the handle is turned, the rear swing rod will rotate around the circle point O, and one end of the rear swing rod relative to the circle point O is moving forward and the other end is moving backward. Because of the special structure of the rear wheel, the rear wheel at the forward end will move forward with the swing rod, while the rear wheel at the backward end will rotate around the rear wheel and the ground because the direction of the force is inconsistent with the direction of rotation of the rear wheel. The rotation of the contact point hinders the backward movement of the rear sway bar, making the car move forward relative to the ground, and the rear wheels do not advance relative to the ground. Repeated and alternate operations make the car move forward. This is the driving principle of the rear sway bar.

The implementation of the above-mentioned limiting member 20 is not limited to the structure described in this embodiment, and other equivalent structures should also fall within the protection scope of this case.

Claims (10)

1. a whipping car, comprise girder (2), front balance wheel assembly (1), rear balance wheel assembly (7) and seat cushion (6), front balance wheel assembly (1) and rear balance wheel assembly (7) rotate respectively and are arranged on girder (2) rear and front end, it is characterized in that, fork (3) in the middle of also comprising, middle fork (3) rotates and is arranged on girder (2) middle, between middle fork (3) and rear balance wheel assembly (7), be connected with pull bar (8), pull bar (8) two ends lay respectively at the both sides, left and right of girder (2), and described seat cushion (6) is arranged on girder (2).

2. whipping car according to claim 1, is characterized in that, described in the middle of fork (3) be U-shaped, middle fork (3) middle part is rotationally connected with girder (2), middle fork (3) two ends are handle (31).

3. whipping car according to claim 2, it is characterized in that, described middle fork (3) at least handle of one end (31) locates to be provided with brake handgrip (4), and brake handgrip (4) is connected with brake facing (10) by traction steel wire (41), and brake facing (10) is arranged on rear balance wheel assembly (7); Outside described handle (31), be arranged with the anti-skidding cover (5) of holding.

4. whipping car according to claim 1, is characterized in that, described in the middle of fork (3) and girder (2) junction be provided with the locating part (20) of fork (3) rotational angle in the middle of restriction.

5. whipping car according to claim 4, is characterized in that, described locating part (20) comprises two caging bolts (201), two caging bolt (201) one the first from left right sides be arranged on girder (2) go up and be positioned in the middle of fork (3) one sides; Outer soft cover (202) and the jam nut (203) of being also arranged with of described caging bolt (201), soft cover (202) nut (203) that is locked is limited to outside caging bolt (201).

6. whipping car according to claim 1, it is characterized in that, fork (3) rear in the middle of described seat cushion (6) is connected to by regulating block (9), the upper a plurality of adjustment holes (21) of girder (2), between adjustment hole (21), distance equates, regulating block (9) consists of connecting panel (91) and intubate (92), connecting panel (91) is fixedly connected on seat cushion (6) bottom, connecting panel (91) corresponding any two adjustment holes in bottom (21) are provided with two described intubate (92), and described intubate (92) is pegged graft and coordinated with adjustment hole (21).

7. whipping car according to claim 3, it is characterized in that, described rear balance wheel assembly (7) comprises rear fork (71) and swings the trailing wheel (75) that is arranged on rear fork (71) two ends, rear fork (71) middle part and girder (2) rear end normal-running fit, rear fork (71) two ends are fixedly installed rear wheel frame (73), trailing wheel (75) joins by rear rocker (74) and rear wheel frame (73), rear rocker (74) two ends respectively with trailing wheel (75), rear wheel frame (73) normal-running fit, described brake facing (10) is arranged on rear rocker (74); Described pull bar (8) two ends are connected with rear fork (71) with middle fork (3) by segmented head (81).

8. whipping car according to claim 7, it is characterized in that, described segmented head (81) comprises connection handle (812) and active ball (813), connection handle (812) one end is connected with pull bar (8), connection handle (812) other end rolls and coordinates with the sphere of active ball (813), active ball (813) is provided with centre hole (816), and centre hole (816) runs through the upper and lower both sides of active ball (813); In the middle of described, fork (3) and rear fork (71) the corresponding segmented head of difference (81) are provided with hinged seat (72), hinged seat (72) is with the centre hole (816) of segmented head (81) by bolt (811) nut (815) downlink connection, and segmented head (81) rotates around bolt (811).

9. whipping car according to claim 1, it is characterized in that, described front balance wheel assembly (1) comprises that deflecting bar (13), pin are (11) and front-wheel (15), deflecting bar (13) and girder (2) front end normal-running fit, pin is fixedly installed on deflecting bar (13) one end (11), deflecting bar (13) other end is provided with front wheel carrier (14), front-wheel (15) and front wheel carrier (14) normal-running fit.

10. whipping car according to claim 1, it is characterized in that, described rear balance wheel assembly (7) and girder (2) normal-running fit center-point are O point, middle fork (3) and girder (2) normal-running fit center-point are A point, front balance wheel assembly (1) and girder (2) normal-running fit center-point are B point, O point to A point apart from A point to the ratio of B point distance, be 9 to 7; The set positions that O is ordered is within the scope of the front and back 100mm of regulation ratio, and B Dian position is being set within the scope of the front and back 100mm of regulation ratio.

Images