PU wheel with anti-skid effect

Abstract

The PU wheel with the anti-skid effect comprises a hub, PU tires are fixedly installed at the upper end and the lower end of the hub, a shaft installation part is arranged in the middle of the hub, a sliding groove part is arranged on the outer side of the shaft installation part, a movable annular part is installed in the sliding groove part in a left-right sliding mode, an inclined face is arranged on the left side of the movable annular part, and the inclined face is arranged on the right side of the movable annular part. A plurality of sets of sliding blocks are installed at the upper end of the inclined face in a matched mode, and connecting columns are detachably installed on the sliding blocks. The friction force of the surface of the PU tire is increased through a plurality of groups of anti-skid blocks arranged on the surface of the PU tire, so that the PU tire is anti-skid and wear-resistant, and when the anti-skid blocks are worn after being used for a long time, the nut is screwed by a wrench, so that the nut pushes the movable annular part leftwards to move, the sliding block is matched with the inclined surface to move upwards, and the anti-skid blocks are lifted up; moreover, the height of the anti-skid block can be adjusted at will, so that the anti-skid effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of PU wheels, in particular to a PU wheel with anti-slip effect. Background Art

[0002] PU material can be used for the fabric of shoes or weight-bearing parts. PU wheels have significantly better elasticity. The more elastic the wheel, the more suitable it is for various technical movements, such as rotation, acceleration, reverse, leaping, etc. It is wear-resistant and comfortable. Moreover, it is lightweight, environmentally friendly, energy-saving, non-toxic, and odorless. The production process is simple, the product quality is stable, and it is easy to control. Compared with pneumatic tires, it has low rolling resistance, long service life, low energy consumption, puncture resistance, and higher cost performance.

[0003] The publication number is CN217835254U, and the name is a Chinese patent for a PU wheel with anti-slip function, which includes: a fixing plate, a fixing hole, a mounting seat, a support frame, a wheel, a tire, a central axis and a nut. The characteristics are: a fixing hole is opened inside the outer corner of the fixing plate, a mounting seat is installed on the upper end of the fixing plate, a support frame is installed on the lower end surface of the mounting seat, a central axis is installed on the inner side of the lower end of the support frame, nuts are installed on both sides of the central axis, a wheel is installed on the inner side of the support frame, and a tire is installed on the outer side of the wheel.

[0004] Although the PU wheel with anti-slip function in the above patent is practical and convenient, it also has shortcomings. The above patent cannot adjust the anti-slip degree. The friction is too small, slipping occurs, or the friction is too large, making it difficult to move the external device. Utility Model Content

[0005] In order to overcome the above-mentioned defects in the prior art, the utility model provides a PU wheel with anti-slip effect.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a PU wheel with anti-slip effect, including a wheel hub, PU tires are fixedly installed at the upper and lower ends of the wheel hub, an axle mounting portion is provided in the middle of the wheel hub, a slide groove portion is provided on the outer side of the axle mounting portion, a movable annular portion is installed in the slide groove portion for sliding left and right, an inclined surface is provided on the left side of the movable annular portion, and a plurality of groups of sliders are mounted on the upper end of the inclined surface, a connecting column is detachably mounted on the slider, the connecting column is slidably mounted in the inside of the PU tire up and down, and an anti-sliding block is fixedly installed on the upper end of the connecting column.

[0007] Furthermore, a first clamping portion is provided on the left upper end of the wheel hub, and a second clamping portion is provided on the right side of the wheel hub, and the PU tire is clamped and mounted between the second clamping portion and the first clamping portion.

[0008] Furthermore, an axle mounting hole is provided in the middle of the wheel hub, and the inner side of the axle mounting hole is used for mounting the axle.

[0009] Furthermore, a threaded portion is provided on the right side of the shaft mounting portion, a nut is fitted on the threaded portion, and the left side of the nut is mounted in contact with the movable annular portion.

[0010] Furthermore, a threaded portion is provided at the middle of the slider, and a threaded column is provided at the bottom of the connecting column, and the threaded column and the threaded portion are installed by threaded cooperation.

[0011] Furthermore, a group of mounting holes are provided on the left and right sides of the upper end of the slider, and a spring is fixedly installed inside the mounting holes, and the outer side of the spring is fixedly connected to the PU tire.

[0012] The beneficial effects of the utility model are as follows: the friction force of the PU tire surface is increased by the several groups of anti-slip blocks arranged on the surface of the PU tire, making the PU tire anti-slip and wear-resistant; when the anti-slip blocks are worn out after long-term use, the nut is tightened with a wrench so that the nut pushes the movable annular portion to the left, so that the slider cooperates with the inclined surface to move upward, so that the anti-slip block is lifted and continues to realize its anti-slip function; the utility model can be used for a long time, and the height of the anti-slip block can be adjusted at will to achieve a better anti-slip effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0014] Figure 1 It is a front sectional view of the utility model;

[0015] Figure 2 It is a side view of the utility model;

[0016] Figure 3 This is a schematic diagram of the installation of the movable annular portion of the present invention;

[0017] In the figure: 1. Wheel hub, 101. First clamping part, 102. Second clamping part, 103. Shaft mounting part, 104. Mounting hole, 105. Slide groove part, 106. Threaded part, 2. PU tire, 3. Nut, 4. Moving annular part, 5. Inclined surface, 6. Slider, 601. Mounting hole, 602. Threaded hole, 7. Connecting column, 701. Threaded column, 8. Anti-sliding block, 9. Spring. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings. Obviously, the drawings described below are only one embodiment of the utility model, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without creative labor, and all belong to the protection scope of the utility model.

[0019] As Figure 1 And Figure 2 The utility model discloses a wheel hub 1, the left side upper end of wheel hub 1 is provided with first clamping part 101, the right side of wheel hub 1 is provided with second clamping part 102, and PU tire 2 is clamped and installed between second clamping part 102 and first clamping part 101, the middle part of wheel hub 1 is provided with shaft mounting hole 104, and the inner side of shaft mounting hole 104 is used to install axle.

[0020] As Figures 1 to 3 The middle part of wheel hub 1 is provided with shaft mounting part 103, the outer side of shaft mounting part 103 is provided with chute part 105, movable annular part 4 is slidably installed in chute part 105, the right side of shaft mounting part 103 is provided with threaded part 106, nut 3 is installed on threaded part 106 in cooperation, the left side of nut 3 is in contact with movable annular part 4 and is installed, and movable annular part 4 is moved by pushing left by nut 3 through spanner.

[0021] As Figures 1 to 3 The left side of movable annular part 4 is provided with inclined plane 5, a plurality of groups of sliding blocks 6 are installed on the upper end of inclined plane 5 in cooperation, connecting column 7 is detachably installed on sliding block 6, threaded part 106 is arranged in the middle part of sliding block 6, threaded column 701 is arranged in the bottom of connecting column 7, threaded column 701 is installed in cooperation with threaded part 106 through thread, connecting column 7 is slidably installed in the inside of PU tire 2, and anti-skid block 8 is fixedly installed on the upper end of connecting column 7.

[0022] As Figure 1 And Figure 3 The upper end of sliding block 6 is provided with a group of mounting holes 601 on the left and right respectively, spring 9 is fixedly installed in the inside of mounting hole 601, and the outer side of spring 9 is fixedly connected to PU tire 2.

[0023] When the utility model is in use, the friction force of the surface of the PU tire 2 is increased by the multiple groups of anti-sliding blocks 8 provided on the surface of the PU tire 2, so that the PU tire 2 is anti-slip and wear-resistant. When the anti-sliding blocks 8 are worn out after long-term use, the nut 3 is tightened with a wrench so that the nut 3 pushes the movable annular portion 4 to the left, so that the slider 6 cooperates with the inclined surface 5 to move upward, so that the anti-sliding block 8 is lifted and continues to realize its anti-slip function. The utility model can be used for a long time, and the height of the anti-sliding block 8 can be adjusted at will to achieve a better anti-slip effect.

[0024] The above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the present invention. The scope of protection of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and scope of protection of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the scope of protection of the present invention.

Claims

1. A PU wheel with anti-slip effect, comprising a hub (1), characterized in that: The PU tire (2) is fixedly mounted at the upper and lower ends of the wheel hub (1); an axle mounting portion (103) is provided in the middle of the wheel hub (1); a slide groove portion (105) is provided on the outer side of the axle mounting portion (103); a movable annular portion (4) is slidably mounted in the slide groove portion (105); a slope (5) is provided on the left side of the movable annular portion (4); a plurality of groups of sliders (6) are mounted on the upper end of the slope (5); a connecting column (7) is detachably mounted on the slider (6); the connecting column (7) is slidably mounted in the interior of the PU tire (2) in an upper and lower direction; an anti-sliding block (8) is fixedly mounted on the upper end of the connecting column (7).

2. The PU wheel with anti-slip effect according to claim 1, characterized in that: A first clamping portion (101) is provided at the upper left end of the wheel hub (1), and a second clamping portion (102) is provided at the right side of the wheel hub (1); the PU tire (2) is clamped and mounted between the second clamping portion (102) and the first clamping portion (101).

3. The PU wheel with anti-slip effect according to claim 2, characterized in that: An axle mounting hole (104) is provided in the middle of the wheel hub (1), and the inner side of the axle mounting hole (104) is used for mounting an axle.

4. The PU wheel with anti-slip effect according to claim 3, characterized in that: A threaded portion (106) is provided on the right side of the shaft mounting portion (103), a nut (3) is fitted on the threaded portion (106), and the left side of the nut (3) is in contact with the movable annular portion (4).

5. The PU wheel with anti-slip effect according to claim 1, characterized in that: A threaded portion (106) is provided at the middle of the slider (6), and a threaded column (701) is provided at the bottom of the connecting column (7). The threaded column (701) and the threaded portion (106) are installed by threaded engagement.

6. The PU wheel with anti-slip effect according to claim 5, characterized in that: A group of mounting holes (601) are respectively provided on the left and right sides of the upper end of the slider (6); a spring (9) is fixedly mounted inside the mounting hole (601); and the outer side of the spring (9) is fixedly connected to the PU tire (2).

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