Special wear-resistant tire for trolley

Abstract

The utility model relates to the technical field of trolley tires, and discloses a special wear-resistant tire for a trolley, which comprises a tire body, a hub is fixedly connected inside the tire body, a hollow block is fixedly connected to the outer wall of the hub, a first protective plate is slidably connected to the outer wall of the hollow block, a worm is rotatably connected inside the hollow block, and a second protective plate is fixedly connected to the outer wall of the worm. A worm gear is connected to the tooth end of the worm in a meshed mode, a connecting rod is fixedly connected to the interior of the worm gear, a gear is fixedly connected to the outer wall of the connecting rod, a toothed plate is connected to the tooth end of the gear in a meshed mode, and a limiting block is fixedly connected to the outer wall of the left side of the toothed plate. According to the tire, through mutual cooperation of the hollow block, the first protection plate, the worm, the handle, the worm gear, the connecting rod, the gear, the toothed plate and the limiting block, the first protection plate and the second protection plate are mounted and dismounted, the tire body and the hub are protected, and damage to the tire body and the hub caused by objects splashed on the road surface is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to handcart tire technical field especially relates to handcart special wear -resisting tire. BACKGROUND

[0002] Tire is the annular part installed on the outside of vehicle wheel, mainly by the tread, sidewall, carcass and bead etc. part is composed, and its main function is supporting the vehicle weight, provides the friction with the ground and buffers the shock in the running. Among them, handcart tire is the important part installed on the handcart wheel, mainly used for supporting the car body, bearing the weight and providing the stable moving performance. Because the handcart often bears the heavy object and moves frequently under various ground conditions in daily use, in order to effectively resist the ground friction, prolong the service life, need to use a wear -resisting tire.

[0003] Handcart special wear -resisting tire is the high performance tire specially designed for handcart, in the previous technology, the tire and the wheel hub are directly exposed in the use process of handcart, are vulnerable to the impact or scratch of the flying object on the road surface, thereby making the tire and the wheel hub be damaged, influence the use of the tire. UTILITY MODEL CONTENT

[0004] In order to make up for the above insufficient, the utility model provides handcart special wear -resisting tire, aims at improving the problem that the tire and the wheel hub are directly exposed in the use process of handcart, are vulnerable to the damage.

[0005] In order to achieve the above object, the utility model provides the following technical scheme:

[0006] Handcart special wear -resisting tire, including tire body, the inside fixedly connected with the wheel hub of tire body, the outer wall fixedly connected with the hollow block of wheel hub, the outer wall slidingly connected with the guard board no. of hollow block, the inside rotatably connected with the worm of hollow block, the outer wall fixedly connected with the handle of worm, the tooth end meshing connection with the worm wheel of worm, the inside fixedly connected with the connecting rod of worm wheel, both ends of connecting rod are rotatably connected in the inside of hollow block, the outer wall fixedly connected with the gear of connecting rod, the tooth end meshing connection with the tooth plate of gear, the outer wall slidingly connected in the inside of hollow block of tooth plate, the outer wall fixedly connected with the limiting block of left side of tooth plate, the outer wall slidingly connected in the inside of guard board no. of limiting block, the lower surface of guard board no. is provided with limiting assembly, and the limiting assembly is used for the limiting between guard board no. and guard board two.

[0007] Preferably, the limiting assembly includes a U-shaped pad, the upper surface of the U-shaped pad is fixedly connected to the lower surface of the first protective plate, and the outer wall of the U-shaped pad is slidingly connected with the second protective plate.

[0008] Preferably, the inner wall of the first and second protective plates is arranged on the outer wall of the hub, and the outer wall of the tire body is provided with wear-resistant blocks.

[0009] Preferably, the inner wall of the tire body is provided with heat dissipation grooves, and the inside of the tire body is provided with a support layer.

[0010] Preferably, the upper outer wall of the support layer is provided with a cord layer.

[0011] Preferably, the cord layer is arranged in the inside of the tire body.

[0012] Preferably, the upper outer wall of the cord layer is provided with a steel wire belt layer.

[0013] Preferably, the steel wire belt layer is arranged in the inside of the tire body.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, the hollow block, the first protective plate, the worm, the handle, the worm wheel, the connecting rod, the gear, the toothed plate and the limiting block are matched with each other to install and dismount the first and second protective plates, protect the tire body and the hub, reduce the damage of the objects splashed on the road surface to the tire body and the hub, and also reduce the accumulation of the soil and sundries between the tire body and the hub.

[0016] 2. In the utility model, the wear-resistant blocks, the heat dissipation grooves, the support layer, the cord layer and the steel wire belt layer are matched with each other to avoid the direct contact between the tire body and the ground, reduce the wear degree of the tire body, prolong the service life of the tire, improve the overall strength of the tire body, and reduce the damage of the external objects to the tire body. DRAWINGS

[0017] Figure 1 It is a perspective view of the special wear-resistant tire for the handcart of the utility model;

[0018] Figure 2 It is a sectional view of the internal structure of the hollow block of the special wear-resistant tire for the handcart of the utility model;

[0019] Figure 3 It is a schematic diagram of the local structure of the U-shaped block of the special wear-resistant tire for the handcart of the utility model;

[0020] Figure 4 It is a schematic diagram of the local structure of the wear-resistant block of the special wear-resistant tire for the handcart of the utility model;

[0021] Figure 5 It is a schematic diagram of the local structure of the tire body of the special wear-resistant tire for the handcart of the utility model.

[0022] Legend:

[0023] 1, tire body; 2, hub; 3, hollow block; 4, guard plate one; 5, worm; 6, handle; 7, worm gear; 8, connecting rod; 9, gear; 10, toothed plate; 11, limit block; 12, U-shaped pad; 13, guard plate two; 14, wear-resistant block; 15, heat dissipation groove; 16, support layer; 17, cord layer; 18, steel wire belt layer. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Referring to Figures 1-3 , the present application provides an embodiment: a special wear-resistant tire for a trolley, comprising a tire body 1, a hub 2 fixedly connected inside the tire body 1, a hollow block 3 fixedly connected to the outer wall of the hub 2, a guard plate one 4 slidingly connected to the outer wall of the hollow block 3, a worm 5 rotatably connected inside the hollow block 3, a handle 6 fixedly connected to the outer wall of the worm 5, a worm gear 7 meshingly connected to the toothed end of the worm 5, a connecting rod 8 fixedly connected inside the worm gear 7, both ends of the connecting rod 8 being rotatably connected inside the hollow block 3, a gear 9 fixedly connected to the outer wall of the connecting rod 8, a toothed plate 10 meshingly connected to the toothed end of the gear 9, the toothed plate 10 being slidingly connected to the inner wall of the hollow block 3, a limit block 11 fixedly connected to the left outer wall of the toothed plate 10, the limit block 11 being slidingly connected to the inner wall of the guard plate one 4, a limiting assembly being arranged on the lower surface of the guard plate one 4, the limiting assembly being used for limiting between the guard plate one 4 and a guard plate two 13;

[0026] Specifically, the outer walls of the hollow block 3 and the limit block 11 are used to achieve the positioning effect of the installation of the guard plate one 4 and the guard plate two 13, the handle 6 is rotated, the worm 5 is used to drive the worm gear 7, thereby driving the connecting rod 8 to rotate, the hollow block 3 is used to support the rotation of the connecting rod 8, the gear 9 is used to drive the toothed plate 10 to move by means of the connecting rod 8, a sliding block is arranged on the rear outer wall of the toothed plate 10 and slides in the hollow block 3, thereby supporting the movement of the toothed plate 10, the hollow block 3 is used to limit the movement of the toothed plate 10, the limit block 11 is driven by the toothed plate 10 to slide in and out of the guard plate one 4, thereby achieving the limiting or releasing effect of the guard plate one 4.

[0027] Referring to Figure 3The limiting assembly comprises a U-shaped pad 12, the upper surface of the U-shaped pad 12 is fixedly connected to the lower surface of the protective plate one 4, and the outer wall of the U-shaped pad 12 is slidably connected with the protective plate two 13.

[0028] Specifically, the U-shaped pad 12 is made of rubber, limiting the wear between the protective plate one 4 and the protective plate two 13, and reducing the vibration of the tire during use.

[0029] With reference to Figure 1 The inner walls of the protective plate one 4 and the protective plate two 13 are arranged on the outer wall of the hub 2, and the outer wall of the tire body 1 is provided with a wear-resistant block 14.

[0030] Specifically, the installation of the protective plate one 4 and the protective plate two 13 protects the tire body 1 and the hub 2, thereby facilitating the use of the tire, the tire body 1 is made of styrene-butadiene rubber, thereby improving the heat resistance and wear resistance of the tire body 1, the wear-resistant block 14 is made of butadiene rubber, reducing the contact between the surface of the tire body 1 and the ground, thereby prolonging the service life of the tire.

[0031] With reference to Figure 4 and Figure 5 The inner wall of the tire body 1 is provided with a heat dissipation groove 15, and the inside of the tire body 1 is provided with a support layer 16; the upper outer wall of the support layer 16 is provided with a cord layer 17; the cord layer 17 is arranged in the inside of the tire body 1; the upper outer wall of the cord layer 17 is provided with a steel wire belt layer 18; the steel wire belt layer 18 is arranged in the inside of the tire body 1.

[0032] Specifically, the inner wall of the tire body 1 is provided with a plurality of heat dissipation grooves 15, which are evenly distributed with the center of the tire body 1 as the center and are inclined, thereby dispersing the heat of the tire body 1 during use, the support layer 16 is made of aramid fiber, the cord layer 17 is made of nylon, and the steel wire belt layer 18 is made of steel wire weaving, the tire body 1 is U-shapedly wrapped around the support layer 16, the cord layer 17 and the steel wire belt layer 18, thereby strengthening the overall strength of the tire body 1 and reducing the damage of external objects to the tire body 1.

[0033] Working principle: when using the tire, the protective plate one 4 is attached to the outer wall of the hub 2 along the direction of the hollow block 3, the protective plate two 13 is the same as the protective plate one 4, the U-shaped pad 12 limits the installation of the protective plate one 4 and the protective plate two 13, by rotating the handle 6, the worm 5 is driven to rotate, thereby driving the worm wheel 7 and the connecting rod 8 to rotate, the gear 9 drives the toothed plate 10 to move by the connecting rod 8, the toothed plate 10 in turn drives the limiting block 11 to move to the left, slides into the inside of the protective plate one 4 to limit, thereby installing the protective plate one 4, and protecting the hub 2, when the tire body 1 is used, the wear-resistant block 14 protects the surface of the tire body 1, at the same time, the heat dissipation groove 15 is used to dissipate the heat generated when the tire body 1 rotates, thereby reducing the temperature of the tire body 1, the support layer 16, the cord layer 17 and the steel wire belt layer 18 are filled in the inside of the tire body 1 and are uniformly distributed, thereby improving the puncture resistance and tear resistance of the tire body 1, the tire not only quickly installs and removes the protective plate one 4 and the protective plate two 13, but also protects the side of the tire body 1 and the hub 2, and has the effect of prolonging the service life of the tire body 1.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. Pneumatic tyre for trolleys, comprising a tyre body (1), characterised in that: The inside of the tire body (1) is fixedly connected with a hub (2), the outer wall of the hub (2) is fixedly connected with a hollow block (3), the outer wall of the hollow block (3) is slidably connected with a protective plate one (4), the inside of the hollow block (3) is rotatably connected with a worm (5), the outer wall of the worm (5) is fixedly connected with a handle (6), the tooth end of the worm (5) is meshedly connected with a worm wheel (7), the inside of the worm wheel (7) is fixedly connected with a connecting rod (8), both ends of the connecting rod (8) are rotatably connected in the inside of the hollow block (3), the outer wall of the connecting rod (8) is fixedly connected with a gear (9), the tooth end of the gear (9) is meshedly connected with a toothed plate (10), the outer wall of the toothed plate (10) is slidably connected in the inside of the hollow block (3), the outer wall of the left side of the toothed plate (10) is fixedly connected with a limiting block (11), the outer wall of the limiting block (11) is slidably connected in the inside of the protective plate one (4), the lower surface of the protective plate one (4) is provided with a limiting assembly, and the limiting assembly is used for limiting between the protective plate one (4) and a protective plate two (13).

2. Pneumatic tyre for trolleys, according to claim 1, characterized in that: The limiting assembly comprises a U-shaped pad (12), and the upper surface of the U-shaped pad (12) is fixedly connected to the lower surface of the protective plate one (4), and the outer wall of the U-shaped pad (12) is slidably connected with the protective plate two (13).

3. Pneumatic tyre for trolleys, according to claim 1, characterized in that: The inner walls of the protective plate one (4) and the protective plate two (13) are arranged on the outer wall of the hub (2), and the outer wall of the tire body (1) is provided with a wear-resistant block (14).

4. Pneumatic tyre for trolleys, according to claim 1, characterized in that: The inner wall of the tire body (1) is provided with a heat dissipation groove (15), and the inside of the tire body (1) is provided with a support layer (16).

5. Pneumatic tyre for trolleys, according to claim 4, characterized in that: The upper side of the outer wall of the support layer (16) is provided with a cord layer (17).

6. Pneumatic tyre for trolleys, according to claim 5, characterized in that: The cord layer (17) is arranged in the inside of the tire body (1).

7. Pneumatic tyre for trolleys, according to claim 6, characterized by the fact that: The upper side of the outer wall of the cord layer (17) is provided with a steel wire belt layer (18).

8. Pneumatic tyre for trolleys, according to claim 7, characterized in that: The steel wire belt layer (18) is arranged in the inside of the tire body (1).

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