Trolley tire convenient to butt and assemble

Abstract

The utility model relates to the technical field of vehicle tires, and discloses a trolley tire convenient for butt-joint assembly, which comprises a wheel, a connecting shaft is fixedly arranged on the outer side of the wheel, a butt-joint shaft is arranged on the cambered surface of the connecting shaft, a butt-joint mechanism is arranged on the outer side of the wheel, and the butt-joint mechanism is arranged on the outer side of the wheel. And a promoting mechanism is arranged on the outer side of the wheel. According to the trolley tire convenient for butt-joint assembly, the connecting shaft is in butt joint with the butt-joint shaft, a sliding ball on the connecting shaft slides on the surface of the mounting block, a reset spring enables the sliding ball to slide in a manner of being attached to the inner wall of the butt-joint shaft, the connecting shaft can slide in the butt-joint shaft conveniently, and the sliding ball enters a positioning hole for positioning when the connecting shaft moves to a proper position; the threaded rod is adjusted to enable the positioning block to enter the extrusion groove, the air bag is extruded, air in the air bag enters the sealing air ring, the end opening of the butt joint shaft is prevented from being sealed, dust is prevented from entering, next use of the butt joint shaft is not affected, and butt joint of wheels is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheel tire, concretely to a handcart wheel tire convenient to butt joint assembly. BACKGROUND

[0002] Tire is the ground rolling annular elastic rubber product assembled on various vehicles or machines, has higher load bearing performance, traction performance, cushioning performance, also has high wear resistance and flex resistance, and low rolling resistance and heat generation, and handcart wheel tire usually has single structure, which leads to easy installation and dismounting in actual use, thereby leading to easy replacement and maintenance.

[0003] According to the easy-to-install handcart wheel tire (publication number: CN215621198U) disclosed, when the connecting shaft is inserted into the central shaft, the limiting groove, the lifting block with a round corner arranged inside the limiting groove and the spring make the limiting block clamped into the inside of the limiting groove, so that the tire is tightly connected with the connecting shaft, when dismounting, the lifting ring is pulled upward, driving the lifting block to move upward, so that the wheel can be pulled out, and the installation and dismounting can be completed without using other tools, which is very convenient.

[0004] However, in actual use, the connecting shaft is similar in shape to the butt joint shaft, and the friction is large when moving, the connecting shaft is difficult to slide in the butt joint shaft, and the installation and butt joint of the handcart wheel tire are difficult to quickly realize, therefore, we provide a handcart wheel tire convenient to butt joint assembly. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a handcart wheel tire convenient to butt joint assembly to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a handcart wheel tire convenient to butt joint assembly, comprising a wheel, a connecting shaft is fixedly installed on the outer side of the wheel, an butt joint shaft is arranged on the arc surface of the connecting shaft, a butt joint mechanism is arranged on the outer side of the wheel, a promoting mechanism is arranged on the outer side of the wheel, the butt joint mechanism comprises:

[0007] A movable slot is arranged on the arc outer wall of the connecting shaft, a return spring is fixedly connected to the inner wall of the movable slot, one end of the return spring away from the inner wall of the movable slot is fixedly connected to a mounting block, a sliding ball is movably connected to the surface of the mounting block, a positioning hole is arranged in the inner wall of the butt joint shaft, and an adjusting groove is arranged on the surface of the butt joint shaft.

[0008] Threaded rod, threaded connection in butt joint axle camber, the lower end of threaded rod movable connection positioning block, the camber of connecting axle is provided with extrusion groove, the surface of extrusion groove is fixedly installed with air bag, the air bag is fixedly connected with sealing air ring through connecting pipe.

[0009] Preferably, the promoting mechanism includes an upper cover plate, the upper cover plate is arranged on the inner wall of the air bag, the upper cover plate is fixedly connected with the telescopic spring, and one end of the telescopic spring away from the upper cover plate is fixedly connected with a lower cover plate.

[0010] Preferably, the diameter of the upper cover plate is matched with the diameter of the extrusion groove, so that the upper cover plate can move in the inside of the extrusion groove.

[0011] Preferably, the shape of the mounting block is matched with the shape of the movable groove, and the mounting block can slide on the inner wall of the movable groove.

[0012] Preferably, the surface of the connecting shaft is provided with a mounting groove, the mounting groove is matched with the shape of the sealing air ring, and the sealing air ring is attached to the surface of the mounting groove.

[0013] Preferably, the shape of the adjusting groove is matched with the shape of the positioning block, and the positioning block slides in the inside of the adjusting groove.

[0014] Compared with the prior art, the utility model provides a trolley tire convenient for butt joint assembly, which has the following beneficial effects:

[0015] 1、The trolley tire convenient for butt joint assembly is provided with a butt joint mechanism, a connecting shaft is butt jointed with a butt joint shaft, a sliding ball on the connecting shaft slides on the surface of a mounting block, a return spring makes the sliding ball slide on the inner wall of the butt joint shaft, the connecting shaft is conveniently slid in the inside of the butt joint shaft, the sliding ball enters a positioning hole for positioning when moving to a suitable position, an adjusting threaded rod makes a positioning block enter an extrusion groove, the air bag is extruded, the gas in the air bag enters a sealing air ring, the port of the butt joint shaft is sealed to prevent dust from entering and affecting the use of the butt joint shaft next time, and the butt joint of the wheel is facilitated.

[0016] 2、The trolley tire convenient for butt joint assembly is provided with a promoting mechanism, an upper cover plate cooperates with a lower cover plate and a telescopic spring to make the air bag stably support, more gas is ensured to expand the air bag, the sealing air ring is conveniently attached to the mounting groove, and the connecting shaft is conveniently moved in the inner wall of the butt joint shaft for butt joint installation. ACCURACY

[0017] Figure 1 It is a structure main body schematic view of the utility model;

[0018] Figure 2 It is a structure connecting shaft partial schematic view of the utility model;

[0019] Figure 3 Partial section view of the connecting shaft of the utility model structure is shown in the figure;

[0020] Figure 4 Partial explosion view of the connecting shaft of the utility model structure is shown in the figure;

[0021] Figure 5 Partial section view of the air bag of the utility model structure is shown in the figure.

[0022] In the figure: 1, wheel; 2, connecting shaft; 3, docking mechanism; 301, movable slot; 302, reset spring; 303, mounting block; 304, sliding ball; 305, positioning hole; 306, threaded rod; 307, positioning block; 308, adjusting groove; 309, extrusion groove; 310, air bag; 311, sealing air ring; 4, promoting mechanism; 401, upper cover plate; 402, extension spring; 403, lower cover plate; 5, docking shaft. DETAILED DESCRIPTION

[0023] As Figures 1-5 shown, the utility model provides a technical scheme: a handcart tire convenient for docking assembly, including wheel 1, the outer side fixed mounting of wheel 1 has connecting shaft 2, the arc surface of connecting shaft 2 is provided with docking shaft 5, the outer side of wheel 1 is provided with docking mechanism 3, the outer side of wheel 1 is provided with promoting mechanism 4, docking mechanism 3 includes movable slot 301, reset spring 302, mounting block 303, sliding ball 304, positioning hole 305, threaded rod 306, positioning block 307, adjusting groove 308, extrusion groove 309, air bag 310, sealing air ring 311.

[0024] In an embodiment of the utility model, movable slot 301 is opened on the arc outer wall of connecting shaft 2, the inner wall of movable slot 301 is fixedly connected with reset spring 302, the end of reset spring 302 away from the inner wall of movable slot 301 is fixedly connected with mounting block 303, the surface of mounting block 303 is movably connected with sliding ball 304, the inner wall of docking shaft 5 is provided with positioning hole 305, the surface of docking shaft 5 is provided with adjusting groove 308, threaded rod 306 is screw connected on the arc surface of docking shaft 5, the lower end of threaded rod 306 is movably connected with positioning block 307, the arc surface of connecting shaft 2 is provided with extrusion groove 309, the surface of extrusion groove 309 is fixedly installed with air bag 310, air bag 310 is fixedly connected with sealing air ring 311 through connecting pipe.

[0025] In addition, the promoting mechanism 4 comprises an upper cover plate 401 arranged on the inner wall of the air bag 310, the upper cover plate 401 is fixedly connected with a telescopic spring 402, one end of the telescopic spring 402 away from the upper cover plate 401 is fixedly connected with a lower cover plate 403, the diameter of the upper cover plate 401 is matched with the diameter of the extrusion groove 309, so that the upper cover plate 401 can move in the inside of the extrusion groove 309, and the telescopic spring 402 lifts the upper cover plate 401 to facilitate the expansion of the air bag 310, and the subsequent positioning block 307 extrudes the air bag 310.

[0026] In the embodiment of the utility model, the shape of the mounting block 303 is matched with the shape of the movable groove 301, the mounting block 303 can slide on the inner wall of the movable groove 301, the surface of the connecting shaft 2 is provided with a mounting groove, the shape of the mounting groove is matched with the shape of the sealing air ring 311, the sealing air ring 311 is attached to the surface of the mounting groove, the shape of the adjusting groove 308 is matched with the shape of the positioning block 307, the positioning block 307 slides in the inside of the adjusting groove 308, the positioning block 307 moves to the middle of the butt joint shaft 5 and the connecting shaft 2, so that the butt joint shaft 5 and the connecting shaft 2 can rotate synchronously, the surface of the butt joint shaft 5 is provided with a threaded hole, so that the threaded rod 306 can be adjusted on the arc surface of the butt joint shaft 5, the number of the threaded rod 306 is provided with several, and the several threaded rods 306 are evenly distributed on the surface of the butt joint shaft 5 in a circumferential array, and the end of the butt joint shaft 5 away from the wheel 1 is fixedly installed on the body of the trolley.

[0027] In the utility model, when in use, the connecting shaft 2 is butt jointed with the butt joint shaft 5, the sliding ball 304 on the connecting shaft 2 slides on the surface of the mounting block 303, the reset spring 302 makes the sliding ball 304 slide on the inner wall of the butt joint shaft 5, so that the connecting shaft 2 can slide in the inside of the butt joint shaft 5, and when the sliding ball 304 is positioned in the positioning hole 305 at a proper position, the adjusting threaded rod 306 makes the positioning block 307 enter the extrusion groove 309, extrudes the air bag 310, and makes the gas in the air bag 310 enter the sealing air ring 311, so that the port of the butt joint shaft 5 is sealed to prevent dust from entering and affecting the use of the butt joint shaft 5 next time, and the butt joint of the wheel 1 is facilitated.

[0028] Further, the upper cover plate 401 cooperates with the lower cover plate 403 and the telescopic spring 402 to stably support the air bag 310, so that more gas is ensured to expand the air bag 310, the sealing air ring 311 is attached to the mounting groove, and the connecting shaft 2 is facilitated to move on the inner wall of the butt joint shaft 5 for butt joint installation.

[0029] The foregoing has described the utility model in detail, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A trolley tire facilitating butt joint assembly, comprising a wheel (1), a connecting shaft (2) is fixedly installed on the outer side of the wheel (1), an arc surface of the connecting shaft (2) is provided with a butt joint shaft (5), characterized in that: The outer side of the wheel (1) is provided with a docking mechanism (3), and the outer side of the wheel (1) is provided with a promoting mechanism (4), the docking mechanism (3) comprises: The movable groove (301) is arranged on the arc-shaped outer wall of the connecting shaft (2), the inner wall of the movable groove (301) is fixedly connected with the reset spring (302), one end of the reset spring (302) away from the inner wall of the movable groove (301) is fixedly connected with the mounting block (303), the surface of the mounting block (303) is movably connected with the sliding ball (304), the inner wall of the docking shaft (5) is provided with the positioning hole (305), and the surface of the docking shaft (5) is provided with the adjusting groove (308); The threaded rod (306) is threadedly connected to the arc surface of the docking shaft (5), the lower end of the threaded rod (306) is movably connected with the positioning block (307), the arc surface of the connecting shaft (2) is provided with the extrusion groove (309), and the surface of the extrusion groove (309) is fixedly provided with the air bag (310); the air bag (310) is fixedly connected with the sealing air ring (311) through the connecting pipe.

2. A push trolley tyre for facilitating on-the-road assembly according to claim 1 characterised in that: The promoting mechanism (4) comprises an upper cover plate (401), the upper cover plate (401) is arranged on the inner wall of the air bag (310), the upper cover plate (401) is fixedly connected with the telescopic spring (402), and one end of the telescopic spring (402) away from the upper cover plate (401) is fixedly connected with the lower cover plate (403).

3. A trolley tyre for facilitating the assembly of a tyre to a rim as claimed in claim 2, characterised in that: The diameter of the upper cover plate (401) is matched with the diameter of the extrusion groove (309).

4. A push trolley tyre for facilitating on-the-road assembly according to claim 1 characterised in that: The shape of the mounting block (303) is matched with the shape of the movable groove (301).

5. A push trolley tyre for facilitating on-the-road assembly according to claim 1 characterised in that: The surface of the connecting shaft (2) is provided with a mounting groove, and the shape of the mounting groove is matched with the shape of the sealing air ring (311).

6. A push trolley tyre for facilitating on-the-road assembly according to claim 1 characterised in that: The shape of the adjusting groove (308) is matched with the shape of the positioning block (307). The shape of the adjusting groove (308) is matched with the shape of the positioning block (307).

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