CN201052771Y - Winter tyre walking equipment - Google Patents

Abstract

The utility model discloses a flat tire walking device, which belongs to the technical field of walking devices, and comprises a bottom frame. Walking wheels are installed on the lower part of the bottom frame, and opposite flat tire brackets are installed on both ends of the upper part of the bottom frame. Flat tire fixing device, and the flat tire fixing device is located in the middle of the opposite flat tire bracket; the utility model can firmly fix the flat tire, drive the flat tire to continue moving forward without aggravating the damage of the flat tire, and has simple structure and easy operation Convenience; the utility model is especially suitable for walking devices of flat tires of bicycles, electric bicycles, motorcycles or tricycles.

Description

Flat tire walker

technical field

The utility model relates to a walking device, in particular to a walking device used for vehicles with damaged tires.

Background technique

As people's main means of transportation, tire-type vehicles, such as bicycles, electric bicycles, motorcycles and cars, are increasingly closely related to human life, but users of such vehicles often encounter tire blowouts. Descending, the tire becomes flat, which is customarily called a flat tire. For example, when bicycles, electric bicycles, motorcycles, etc. are walking, this kind of flat tire situation often occurs but has not reached the destination. The way the tire continues to advance will cause more serious damage to the tire. For these situations, there is no good solution at present, which causes great inconvenience to users.

Utility model content

The purpose of the utility model is to provide a flat tire walking device with simple structure and convenient operation, which can continue to move forward even if a flat tire occurs without aggravating the damage of the flat tire.

The technical scheme of the utility model is: a flat tire walking device, including a chassis, the bottom of the chassis is equipped with walking wheels, the two ends of the upper part of the chassis are equipped with opposite flat tire brackets, and the flat tire is also installed on the chassis to fix the tire. device, and the flat tire fixing device is located in the middle of the opposite flat tire bracket.

The working principle of the utility model is as follows: when a flat tire situation occurs, the underframe is placed under the flat tire along the driving direction, and the flat tire is supported by the opposite flat tire bracket, and the flat tire is fastened on the flat tire with the flat tire fixing device. On the bottom frame, the traveling wheels can replace the flat tire and continue to move forward, and the damage to the flat tire will not be aggravated.

The walking wheels described in the utility model are divided into front wheels and rear wheels, wherein the front wheels are installed on the lower front end of the underframe through the front axle, and the rear wheels are installed on the lower rear end of the underframe through the rear axle; The distance of the flat tire bracket at the front end of the chassis is slightly greater than or equal to the distance between the bottom of the rear wheel and the flat tire bracket at the rear end of the chassis. The wheel diameter of front wheel described in the utility model is less than rear wheel wheel diameter. When the walking device is in use, the chassis is slightly tilted backward relative to the ground, which is convenient for moving forward.

The cross-section of the chassis of the utility model is inverted U-shaped. The underframe can also adopt other structures as required.

The flat tire bracket adopts an elastic flat tire bracket, and the contact surface between the elastic flat tire bracket and the flat tire is an inclined plane. The elastic flat tire bracket is made to bear almost the entire weight of the flat tire. Guard plates are provided on the outside and bottom of the elastic flat tire bracket. To enhance the bearing capacity of the bracket.

The flat tire fixing device comprises a driving shaft, a driven shaft and a non-reverse shaft which are rotatably installed on the chassis and are parallel to each other. The driving shaft is equipped with a pinion, and the driven shaft is equipped with a large gear matching the pinion. The gear, the non-reverse shaft is fixedly connected with the non-reverse rod, and the tail end of the non-reverse rod is in contact with the teeth of the large gear; the two ends of the driven shaft are respectively connected with binding ropes, and the other ends of the binding ropes are respectively connected with connecting pieces with fixing holes , one of the fixing holes is fixedly connected with a rivet, and the fixing hole on the other connecting piece is buckled on the rivet. Of course, the connecting piece at the other end of the binding rope can also be fixed by other structures.

A return spring is also connected to the anti-reverse shaft. Rotate the non-return rod on the non-return shaft away from the large gear, the small gear and the large gear can rotate forward and reverse. Due to the role of the groove, the pinion and bull gear can only rotate in one direction (forward or reverse). Both the ends of the driving shaft and the non-reverse shaft can be provided with adjustment handwheels for easy adjustment.

The outer cover of the flat tire fixing device is covered with a dustproof case. Prevent the walking wheel from polluting the components of the fixture with mud or dirt during the walking process, and also play a role in dust prevention.

The binding rope adopts steel rope. Other binding wires of sufficient strength may also be used.

The beneficial effects of the utility model are: the flat tire can be firmly fixed, and the flat tire can be pushed to continue to walk in a labor-saving, light and fast manner, and the damage to the flat tire will not be aggravated. The utility model has a simple structure and is convenient to operate.

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

Description of drawings

Fig. 1 is the structural representation of the preferred embodiment of the utility model;

Fig. 2 is the schematic diagram of the B-B sectional structure of Fig. 1;

Fig. 3 is a schematic diagram of the A-A sectional structure of Fig. 2;

Wherein, the reference numerals: 1 is the underframe, 2 is the front wheel, 4 is the rear wheel, 3 is the flat tire bracket, 3-1 is the slope, 5 is the front axle, 6 is the rear axle, 7 is the guard plate, 8 Is the driven shaft, 9 and 10 are binding ropes, 11 and 12 are connecting pieces, 13 is a large gear, 14 is a pinion, 15 is a driving shaft, 16 is a reverse shaft, 17 is a reverse rod, 18 is a rivet, and 19 is a Back-moving spring, 20 is a baffle plate, 21 is a dustproof case, and 22 is a fixing hole.

Detailed ways

preferred embodiment

As shown in Fig. 1 to Fig. 3, a kind of flat tire walking device comprises the underframe 1 that cross section is inverted U shape, and underframe 1 bottom is equipped with walking wheel, and this walking wheel is divided into front wheel 2 and rear wheel 4, Wherein, the front wheel 2 is installed on the lower front end of the underframe 1 through the front axle 5, and the rear wheel 4 is installed on the lower rear end of the underframe 1 through the rear axle 6. The wheel diameter of the front wheel 2 is smaller than the diameter of the rear wheel 4, and the front wheel The distance H between the bottom of the wheel 2 and the flat tire bracket 3 at the front end of the chassis is slightly greater than or equal to the distance h between the bottom of the rear wheel 4 and the flat tire bracket 3 at the rear end of the chassis so that when the walking device is in use, the chassis is relatively Slightly tilted back on the ground, easy to move forward;

The two ends of the upper part of the chassis 1 are equipped with elastic flat tire brackets 3 oppositely arranged, and the contact surface between the elastic flat tire bracket and the flat tire is an inclined plane 3-1, which increases the contact area between the elastic flat tire bracket and the flat tire. The elastic flat tire bracket almost bears the entire weight of the flat tire, and the outer side and bottom of the elastic flat tire bracket 3 are provided with guard plates 7;

A flat tire fixing device is also installed on the underframe 1, and the flat tire fixing device is located in the middle of the opposite flat tire bracket 3, which is convenient for the flat tire to be stably fixed on the underframe 1; the flat tire fixing device includes a rotatable The driving shaft 15, the driven shaft 8 and the non-reverse shaft 16 are installed parallel to each other on the chassis 1. The driving shaft 15 is equipped with a pinion 14, and the driven shaft 8 is equipped with a large gear 13 that cooperates with the pinion 14. , the non-reverse shaft 16 is fixedly connected with the non-reverse rod 17, and the tail end of the non-reverse rod 17 is in contact with the teeth of the large gear 13; The other end of the binding rope 10 is respectively connected with connecting pieces 11 and 12 with fixing holes 18, wherein one fixing hole 22 is fixedly connected with a rivet 18, and the fixing hole 22 on the other connecting piece is buckled on the rivet 18 to get final product Return spring 19 is also connected to backstop shaft 16, the end of driven shaft 8 is provided with baffle plate 20, and the outer cover of the flat tire fixing device is covered with dustproof case 21.

Claims (10)

1. A flat tire walking device, comprising a chassis (1), the bottom of the chassis (1) is equipped with running wheels, it is characterized in that: opposite flat tire brackets (3) are installed at both ends of the top of the chassis (1) , The flat tire fixing device is also installed on the underframe (1), and the flat tire fixing device is positioned at the middle part of the flat tire bracket (3) opposite. 2. The flat tire walking device according to claim 1, characterized in that: the walking wheels are divided into front wheels (2) and rear wheels (4), wherein the front wheels (2) are installed through the front wheel shaft (5) At the front end of the lower part of the chassis (1), the rear wheels (4) are installed on the lower rear end of the chassis (1) through the rear axle (6); The distance (H) of (3) is slightly greater than or equal to the distance (h) of the flat tire bracket (3) at the bottom of the rear wheel (4) and the underframe rear end. 3. The flat tire walking device according to claim 2, characterized in that: the diameter of the front wheel (2) is greater than or equal to the diameter of the rear wheel (4). 4. The flat tire walking device according to claim 1, 2 or 3, characterized in that: the cross section of the chassis (1) is inverted U-shaped. 5. The flat tire walking device according to claim 1, characterized in that: the flat tire bracket (3) adopts an elastic flat tire bracket, and the contact surface between the elastic flat tire bracket and the flat tire is a slope (3 -1). 6. The flat tire walking device according to claim 5, characterized in that: the outer side and bottom of the elastic flat tire bracket (3) are provided with guard plates (7). 7. The flat tire walking device according to claim 1, 2, 3, 5 or 6, characterized in that: said flat tire fixing device includes mutually parallel driving shafts rotatably mounted on the chassis (1) (15), driven shaft (8) and check shaft (16), pinion (14) is installed on the driving shaft (15), and the large The gear (13) is fixedly connected with the non-reverse rod (17) on the non-reverse shaft (16), and the tail end of the non-reverse rod (17) is in contact with the teeth of the bull gear (13); the two ends of the driven shaft (8) are respectively connected The binding rope (9) (10), the other end of the binding rope (9) (10) is respectively connected as a connecting piece (11) (12) with a fixing hole (22). 8. The flat tire walking device according to claim 7, characterized in that: a return spring (19) is also connected to the anti-reverse shaft (16). 9. The flat tire walking device according to claim 7, characterized in that: the flat tire fixing device is covered with a dustproof case (21). 10. The flat tire walking device according to claim 7, characterized in that baffles (20) are provided at both ends of the driven shaft (8).

Images