CN214775819U - Boosting trolley - Google Patents

Abstract

The utility model discloses a boosting dolly, including wheel loading board, the roll subassembly of setting under the wheel loading board be provided with the wheel fixed slot on the wheel loading board, the roll subassembly includes the gyro wheel that sets up in pairs and the stabilizer bar that is used for connecting the gyro wheel, the roll subassembly sets up two and sets up both sides around the wheel loading board respectively. The utility model discloses a boost dolly, laborsaving, portable, the firm difficult dumping of support.

Description

Boosting trolley

Technical Field

The utility model relates to an electric bicycle appurtenance especially relates to a boosting dolly.

Background

Electric bicycles have been widely used due to their advantages of low price, portability and flexibility in use. However, the tire of the electric bicycle is made of rubber, and when the tire of the electric bicycle leaks air, the electric bicycle has a large weight, so that the manual pushing is very inconvenient, and the tire can be further damaged by forced movement. To solve the problem, an electric bicycle booster is available on the market, for example, an electric bicycle booster disclosed in chinese patent document, whose publication No. CN201432647Y is composed of a wheel rotation stopping strapping tape and a support plate with a pair of small wheels, the support plate has a radian matching with the outer circle of the wheel of the electric bicycle, a groove for a horizontal air-bleeding tire is arranged on the surface of the support plate, the support plate is provided with a fastener for fixing the support plate to the landing place of the air-bleeding wheel, the pair of small wheels are symmetrically supported on both sides of the support plate, the booster is supported by the pair of small wheels, the support is not stable, and the booster can generate larger resistance when falling down, and the fixing effect of the strapping tape on the wheel of the bicycle cannot be ensured.

Disclosure of Invention

The utility model relates to an overcome among the above-mentioned prior art when electric bicycle's tire leaks gas manpower promote very inconvenient, current wheel boost motor support unstable, and the wheel between be connected insecure scheduling problem, provide a boosting dolly, laborsaving, portable, the firm difficult dumping of support.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a boosting dolly, includes the wheel loading board, sets up the rolling subassembly under the wheel loading board be provided with the wheel fixed slot on the wheel loading board, the rolling subassembly includes the gyro wheel that sets up in pairs and the stabilizer bar that is used for connecting the gyro wheel, the rolling subassembly sets up two and sets up both sides around the wheel loading board respectively. In this technical scheme, when the flat child of wheel, inlay the wheel and establish in the wheel standing groove, make the boosting dolly take place to remove through the rolling subassembly, and the rolling subassembly sets up two, and a rolling subassembly includes two gyro wheels that set up in pairs, therefore the boosting dolly has four gyro wheels, compares in traditional boosting dolly, and this dolly is difficult for empting, supports firmly, and the wheel inlays to establish in the wheel fixed slot, is difficult for deviating from.

Preferably, the rolling assembly is telescopically arranged on the wheel bearing plate, and a telescopic structure for controlling the rolling assembly to stretch and retract is arranged between the rolling assembly and the wheel bearing plate. The distance between extending structure's setting be convenient for control gyro wheel and the wheel loading board improves boosting dolly stability, still is convenient for accomodate the boosting dolly in addition, reduces the width of boosting dolly and makes its portable.

Preferably, the telescopic structure comprises a telescopic rod and a locking assembly, a telescopic hole is formed in the wheel bearing plate, the telescopic rod is arranged in the telescopic hole in a sliding mode, the locking assembly comprises a locking sleeve, a locking button and a locking pin, the locking sleeve is integrally arranged on the wheel bearing plate, the locking button is elastically installed in the locking sleeve, a plurality of locking grooves are formed in the telescopic rod, transition grooves are formed in the locking button, one end of the locking pin abuts against the locking grooves, and the other end of the locking pin abuts against the locking button. When adjusting the distance between rolling subassembly and the wheel loading board, press the locking button at first and make the aqueduct move down, in the locking round pin tip entered into the aqueduct, the rolling subassembly of this moment removal, the locking button resets when moving to suitable position, in locking round pin one end was inlayed and is established the locking groove this moment, the other end butt is on the locking button lateral wall.

Preferably, the depth of the locking groove is equal to the depth of the transition groove. Avoid blocking the telescopic link and removing at the in-process locking pin that slides.

Preferably, the locking sleeve is internally provided with a mounting groove for mounting the locking button and a trepan boring for mounting the locking pin, the trepan boring is perpendicular to the mounting groove, and the mounting groove and the trepan boring are crossed to form a cross structure. The setting of locking cover is used for spacing locking button and locking round pin, makes locking cover and locking button's position fixed relatively the wheel loading board.

Preferably, a return spring is provided between the locking button and the bottom of the mounting groove. Reset spring has realized the elastic connection between locking button and the mounting groove bottom, and the locking button of being convenient for resets after pressing.

Preferably, the bottom of the wheel fixing groove is provided with an arc structure matched with a wheel. Set up wheel fixed slot bottom to be favorable to the wheel to inlay to establish for the arc structure, the wheel of the different diameters of adaptation of being convenient for simultaneously improves the boosting dolly commonality.

Preferably, a hook and a hanging hole are respectively arranged on two sides of the wheel bearing plate, and the hook and the hanging hole are correspondingly arranged. The hook and the hanging hole are used for assisting the fixation of the wheel, and a binding band and the like can be conveniently arranged to further fix the wheel.

Therefore, the utility model discloses following beneficial effect has: labor is saved; the support is firm and is not easy to topple; the distance between flexible structure's setting be convenient for control gyro wheel and the wheel loading board improves boosting dolly stability, is convenient for still change the size of boosting dolly, makes its portable of accomodating.

Drawings

Fig. 1 is a schematic structural view of a boosting trolley of the present invention;

FIG. 2 is a schematic structural view of a rolling assembly;

FIG. 3 is a schematic structural view of the wheel carrier plate;

FIG. 4 is another structural schematic of the wheel carrier plate;

in the figure: 1. the wheel bearing plate comprises a wheel bearing plate 101, a wheel fixing groove 102, a locking sleeve 1021, a mounting groove 1022, a sleeve hole 103, a hook 104, a telescopic hole 105, a hanging hole 2, a roller 3, a stabilizer bar 4, a telescopic rod 401, a locking groove 5, a locking button 501, a transition groove 6, a locking pin 7 and a return spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example 1:

as shown in fig. 1, 2 and 3, in an embodiment 1, a boosting trolley comprises a wheel bearing plate 1, rolling assemblies disposed under the wheel bearing plate 1, a wheel fixing groove 101 is disposed on the wheel bearing plate 1, the rolling assemblies comprise a pair of rollers 2 and a stabilizer bar 3 for connecting the rollers 2, the rolling assemblies are disposed at two sides of the wheel bearing plate 1, the rolling assemblies are telescopically disposed on the wheel bearing plate 1, a telescopic structure for controlling the rolling assemblies to be telescopic is disposed between the rolling assemblies and the wheel bearing plate 1, the telescopic structure comprises a telescopic rod 4 and a locking assembly, a telescopic hole 104 is disposed on the wheel bearing plate 1, the telescopic rod 4 is slidably disposed in the telescopic hole 104, the locking assembly comprises a locking sleeve 102, a locking button 5 and a locking pin 6, the locking sleeve 102 is integrally disposed on the wheel bearing plate 1, the locking mechanism is characterized in that a mounting groove 1021 for mounting a locking button 5 and a sleeve hole 1022 for mounting a locking pin 6 are arranged in the locking sleeve 102, the sleeve hole 1022 is perpendicular to the mounting groove 1021, the mounting groove 1021 and the sleeve hole 1022 are arranged in a crossed mode to form a cross-shaped structure, the locking button 5 is elastically mounted in the locking sleeve 102, a reset spring 7 is arranged between the locking button 5 and the bottom of the mounting groove 1021, a plurality of locking grooves 401 are formed in the telescopic rod 4, a transition groove 501 is formed in the locking button 5, one end of the locking pin 6 abuts against the locking groove 401, and the other end of the locking pin abuts against the locking button 5. When the flat child of wheel, inlay the wheel and establish in the wheel standing groove, make the boosting dolly take place to remove through the rolling subassembly, and the rolling subassembly sets up two, and a rolling subassembly includes two gyro wheels 2 that set up in pairs, therefore the boosting dolly has four gyro wheels 2, compares in traditional boosting dolly, and this dolly is difficult for empting, supports firmly, and the wheel inlays to establish in wheel fixed slot 101, is difficult for deviating from. The arrangement of the telescopic structure is convenient for controlling the distance between the roller 2 and the wheel bearing plate 1, the stability of the wheel is improved, in addition, the volume of the boosting trolley is reduced, so that the boosting trolley is convenient to store and carry, when the distance between the rolling component and the wheel bearing plate 1 is adjusted, the lock button 5 is firstly pressed to enable the transition groove 501 to move downwards, the end part of the lock pin 6 enters the transition groove 501, the rolling component is moved at the moment, the lock button 5 resets when the rolling component moves to a proper position, one end of the lock pin 6 is embedded into the lock groove 401 at the moment, the other end of the lock pin abuts against the side wall of the lock button 5, in the process, the lock groove 401 limits the lock pin 6, so that the lock pin 6 can only move along the axial direction, the depth of the lock groove 401 is equal to the depth of the transition groove, the distance from the groove bottom of the lock groove 401 to the side wall of the lock button 5 is equal to the length of the lock pin 6, or the distance from the groove bottom of the lock groove 501 to the side wall of the telescopic rod 4 is equal to the length of the lock pin 6, facilitating axial movement of the locking pin 6.

Further, both ends of the locking pin 6 are provided with a hemispherical structure or an arc structure, which is convenient for the locking pin 6 to be released from the transition groove 501 or the locking groove when adjusting the distance between the rolling assembly and the wheel loading plate 1.

Further, an arc structure is provided at the bottom of the wheel fixing groove 101 to be engaged with the wheel. Set up wheel fixed slot 101 bottom into the arc structure and be favorable to the wheel to inlay and establish, the wheel of the different diameters of adaptation of being convenient for simultaneously improves the boosting dolly commonality.

In addition, as shown in fig. 3 and 4, two hooks 103 and two hanging holes 105 are respectively arranged on two sides of the wheel bearing plate, and the hooks and the hanging holes are arranged in a one-to-one correspondence manner. The hook 103 and the hanging hole 105 are arranged to assist in fixing the wheel, and a binding belt and the like are conveniently arranged to further fix the wheel.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (7)

1. The utility model provides a boosting dolly, characterized by includes wheel loading board (1), sets up the roll subassembly under wheel loading board (1) be provided with wheel fixed slot (101) on wheel loading board (1), the roll subassembly includes gyro wheel (2) that set up in pairs and stabilizer bar (3) that are used for connecting gyro wheel (2), the roll subassembly sets up two and sets up both sides around wheel loading board (1) respectively, the telescopic setting of roll subassembly is on wheel loading board (1) be provided with the extending structure who is used for controlling the roll subassembly is flexible between roll subassembly and wheel loading board (1).

2. The boosting trolley as claimed in claim 1, wherein the telescopic structure comprises a telescopic rod (4) and a locking assembly, a telescopic hole (104) is formed in the wheel bearing plate (1), the telescopic rod (4) is slidably arranged in the telescopic hole (104), the locking assembly comprises a locking sleeve (102), a locking button (5) and a locking pin (6), the locking sleeve (102) is integrally arranged on the wheel bearing plate (1), the locking button (5) is elastically installed in the locking sleeve (102), a plurality of locking grooves (401) are formed in the telescopic rod (4), transition grooves (501) are formed in the locking button (5), one end of the locking pin (6) abuts against the locking grooves (401), and the other end of the locking pin (6) abuts against the locking button (5).

3. The boosting trolley as claimed in claim 2, wherein the depth of the locking groove (401) is equal to the depth of the transition groove (501).

4. The boosting trolley as claimed in claim 2, wherein a mounting groove (1021) for mounting the locking button (5) and a sleeve hole (1022) for mounting the locking pin (6) are arranged in the locking sleeve (102), the sleeve hole (1022) is perpendicular to the mounting groove (1021), and the mounting groove (1021) and the sleeve hole (1022) are arranged in a crossed manner to form a cross-shaped structure.

5. The boosting trolley as claimed in claim 3, wherein a return spring (7) is provided between the locking button (5) and the bottom of the mounting groove (1021).

6. The boosting trolley as claimed in any one of claims 1 to 5, wherein the bottom of the wheel fixing groove (101) is configured in an arc structure to be engaged with a wheel.

7. The boosting trolley as claimed in any one of claims 1 to 5, wherein a hook (103) and a hanging hole (105) are respectively arranged on two sides of the wheel bearing plate (1), and the hook (103) and the hanging hole (105) are correspondingly arranged.

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