Trundle tire

Abstract

The utility model discloses a trundle tire which comprises a tire body, an annular boss capable of being arranged on a trundle hub in a sleeved mode is arranged at the position of an inner ring of the tire body, and a plurality of anti-skid blocks including a splayed groove, a first anti-skid area, a second anti-skid area, a third anti-skid area and a deformation groove are sequentially arranged on the two sides of the boss along the circumference. According to the trundle tire disclosed by the utility model, a larger road holding force can be provided for the trundle tire through the plurality of anti-skid grooves and the anti-skid areas formed among the anti-skid grooves, and the third anti-skid areas arranged on the two sides of the tire can be used for preventing the trundle tire from slipping when the trundle turns or sideslips, so that the trundle tire has a better anti-skid effect. When the trundle moves, larger friction force and road holding force are provided for the trundle in time, so that the probability of rollover of equipment connected with the trundle is reduced, and the deformation grooves can better absorb impact force when the trundle moves, so that the requirements of high road holding force, low friction sound, high comfort, high steering flexibility, good dynamic balance and the like are met.

Description

Technical Field

[0001] The utility model relates to the field of tires, in particular to a caster tire. Background Art

[0002] Casters are widely used in all walks of life, and the requirements for the use environment experience are more stringent. Casters have a wide range of applications in many fields, mainly including home life, office environment, medical care, industrial and commercial fields, etc. The tire surface is more similar to that of automobile tires. In order to meet the casters applicable to the above scenarios, there is an urgent need in the industry for a tire that can meet the requirements of strong grip between the tread and the ground during walking, low friction noise, high comfort, strong steering flexibility, and good dynamic balance. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a caster tire.

[0004] In order to achieve the above purpose, the utility model adopts the following scheme:

[0005] A caster tire includes a tire. An annular boss that can be sleeved on the caster hub is provided at the inner ring of the tire. A plurality of anti-slip blocks are sequentially arranged along the circumference on both sides of the boss:

[0006] Eight-shaped grooves. A plurality of eight-shaped grooves are sequentially arranged along the circumference on the tire tread. A connecting groove connecting the middle part of the upper eight-shaped groove is provided at the top of the eight-shaped groove. The bottom end of the eight-shaped groove extends out of both sides of the tread;

[0007] The first anti-slip area. A first anti-slip area is formed between the eight-shaped groove and the connecting groove;

[0008] Annular grooves. Annular grooves that can be alternately connected with the lower part of the eight-shaped groove are respectively provided on both sides of the tread;

[0009] The second anti-slip area. A second anti-slip area is formed between two adjacent upper and lower eight-shaped grooves, the connecting groove, and the annular groove;

[0010] The third anti-slip area. A third anti-slip area is formed on both sides of the tread between two adjacent upper and lower eight-shaped grooves and the annular groove;

[0011] Deformation grooves, a plurality of deformation grooves extending inwardly of the tire are sequentially arranged along the circumference on the inner ring of the tire. The caster tire in the present utility model can provide greater grip for the caster tire through a plurality of anti-slip grooves and the anti-slip areas formed between the anti-slip grooves. Moreover, the third anti-slip areas provided on both sides of the tire can provide greater friction and grip to the caster in a timely manner when the caster turns or sideslips, reducing the probability of the equipment connected to the caster from tipping over. The deformation grooves can better absorb the impact force when the caster moves, thereby meeting the requirements of strong grip, low friction noise, high comfort, strong steering flexibility, good dynamic balance, etc.

[0012] As a further aspect of the present utility model, the eight-shaped groove includes a first arc groove and a second arc groove symmetrically arranged on the tire tread, and the first arc groove and the second arc groove are sequentially arranged at intervals along the circumference of the tread.

[0013] As a further aspect of the present utility model, the first anti-slip area is composed of a plurality of first anti-slip blocks, the first anti-slip blocks are diamond-shaped, the upper two sides of the first anti-slip blocks have the same curvature as the eight-shaped groove, the lower two sides of the first anti-slip blocks have the same curvature as the connecting groove, and the upper part of the first anti-slip block is connected to the lower part of another adjacent first anti-slip block above and below.

[0014] As a further aspect of the present utility model, the second anti-slip area is trapezoidal, the two sides of the second anti-slip area have the same curvature as the eight-shaped groove, and the upper and lower ends of the second anti-slip area have the same curvature as the connecting groove and the annular groove respectively.

[0015] As a further aspect of the present utility model, the third anti-slip area is square, two of the sides of the third anti-slip area have the same curvature as the eight-shaped groove, and one side of the third anti-slip area has the same curvature as the annular groove.

[0016] As a further aspect of the present utility model, anti-slip bumps are densely arranged on the surface of the third anti-slip area, and the anti-slip bumps are circular.

[0017] As a further aspect of the present utility model, first transition arc surfaces are respectively provided at the joints of the eight-shaped groove, the connecting groove and the annular groove and the tire.

[0018] As a further aspect of the present utility model, the deformation groove is composed of an opening in the shape of a groove mouth and a bottom groove in the shape of a semicircle, and the opening and the bottom groove are connected by a curved surface, and the cross-section of the curved surface is S-shaped.

[0019] As a further aspect of the present utility model, a plurality of arrow-shaped grooves are sequentially arranged along the circumference on both side walls of the tire.

[0020] In summary, the beneficial effects of the utility model compared with the prior art are as follows: The caster tire in this utility model can provide greater grip for the caster tire through multiple anti-slip grooves and the anti-slip areas formed between the anti-slip grooves. Moreover, the third anti-slip areas provided on both sides of the tire can provide greater friction and grip to the casters in a timely manner when the casters turn or skid laterally, reducing the probability of the equipment connected to the casters from tipping over. The deformation grooves can better absorb impact force when the casters move, thus meeting the requirements of strong grip, low friction noise, high comfort, strong steering flexibility, and good dynamic balance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 One of the three-dimensional views of the present utility model.

[0022] Figure 2 Another three-dimensional view of the present utility model.

[0023] Figure 3 One of the sectional views of the present utility model.

[0024] Figure 4 Another sectional view of the present utility model.

[0025] Description of the reference numerals in the drawings: 1, tire; 2, boss; 201, anti-slip block; 3, eight-shaped groove; 4, connecting groove; 5, first anti-slip area; 6, annular groove; 7, second anti-slip area; 8, third anti-slip area; 9, deformation groove: 31, first arc-shaped groove: 32, second arc-shaped groove; 51, first anti-slip block; 81, anti-slip convex block; 101, first transition arc surface; 91, opening; 92, bottom groove; 93, curved surface; 300, arrow-shaped groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following specific implementation content provides multiple different embodiments or examples for implementing the utility model. Of course, these are only embodiments or examples and are not intended to be restrictive. Additionally, repeated reference numerals may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model and do not represent a specific relationship between the different embodiments and / or structures being discussed.

[0027] In addition, terms related to space may be used, such as "below", "lower side", "from inside to outside", "above", "upper side" and similar terms. These relational terms are used to facilitate the description of the relationship between some elements or features and other elements or features in the drawings. These spatial relational terms include different orientations of the device during use or operation, as well as the orientations described in the drawings. The device may be rotated to different orientations or other positions, and the spatial related adjectives used therein can be interpreted similarly. Therefore, it should not be construed as a limitation of the utility model. The terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0028] The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments: As Figures 1 to 4 shown, a caster tire includes a tire 1, and an annular boss 2 sleeved on the caster wheel hub is provided at the inner ring of the tire 1. A plurality of anti-slip blocks 201 are sequentially arranged along the circumference on both sides of the boss 2:

[0029] An eight-shaped groove 3. A plurality of eight-shaped grooves 3 are sequentially arranged along the circumference on the tread of the tire 1. A connecting groove 4 connecting the middle part of the upper eight-shaped groove 3 is provided at the top of the eight-shaped groove 3. The bottom end of the eight-shaped groove 3 extends out of both sides of the tread;

[0030] A first anti-slip area 5. A first anti-slip area 5 is formed between the eight-shaped groove 3 and the connecting groove 4;

[0031] An annular groove 6. Annular grooves 6 that can be sequentially and alternately connected to the lower part of the eight-shaped groove 3 are respectively provided on both sides of the tread;

[0032] A second anti-slip area 7. A second anti-slip area 7 is formed between two adjacent upper and lower eight-shaped grooves 3, the connecting groove 4 and the annular groove 6;

[0033] A third anti-slip area 8. A third anti-slip area 8 is formed between two adjacent upper and lower eight-shaped grooves 3 and the annular groove 6 on both sides of the tread;

[0034] A deformation groove 9. A plurality of deformation grooves 9 extending towards the inside of the tire 1 are sequentially arranged along the circumference on the inner ring of the tire 1.

[0035] A further embodiment of the eight-shaped groove 3 in the present utility model: The eight-shaped groove 3 includes a first arc groove 31 and a second arc groove 32 symmetrically arranged on the tread of the tire 1, and the first arc groove 31 and the second arc groove 32 are sequentially arranged at intervals along the circumference of the tread.

[0036] A further embodiment of the first anti-slip zone 5 in the present invention: the first anti-slip zone 5 is composed of multiple first anti-slip blocks 51, the first anti-slip blocks 51 are rhombus-shaped, the two side edges of the upper part of the first anti-slip blocks 51 have the same curvature as the figure-eight groove 3, the two side edges of the lower part of the first anti-slip blocks 51 have the same curvature as the connecting groove 4, and the upper part of the first anti-slip blocks 51 is connected to the lower part of another first anti-slip block 51 adjacent to each other above and below.

[0037] A further embodiment of the second anti-slip zone 7 in the present invention is as follows: the second anti-slip zone 7 is trapezoidal, the two side edges of the second anti-slip zone 7 have the same curvature as the figure-eight groove 3, and the curvatures of the upper and lower ends of the second anti-slip zone 7 are respectively the same as the curvatures of the connecting groove 4 and the annular groove 6.

[0038] A further embodiment of the third anti-slip zone 8 in the present invention is as follows: the third anti-slip zone 8 is square, two sides of the third anti-slip zone 8 have the same curvature as the figure-eight groove 3 , and one side of the third anti-slip zone 8 has the same curvature as the annular groove 6 .

[0039] A further embodiment of the third anti-slip zone 8 in the present invention is as follows: the surface of the third anti-slip zone 8 is densely covered with anti-slip bumps 81 , and the anti-slip bumps 81 are circular.

[0040] A further embodiment of the tire 1 of the present invention: a first transition arc surface 101 is respectively provided at the connection between the figure-eight groove 3, the connecting groove 4 and the annular groove 6 and the tire 1.

[0041] A further embodiment of the deformation groove 9 in the present invention: the deformation groove 9 is composed of a notch-shaped opening 91 and a semicircular bottom groove 92, the opening 91 and the bottom groove 92 are connected by a curved surface 93, and the cross section of the curved surface 93 is S-shaped.

[0042] A further embodiment of the tire 1 of the present invention: a plurality of arrow-shaped grooves 300 are sequentially arranged along the circumference on both side walls of the tire 1 .

[0043] During use: When the tire in the present utility model is connected to the hub of the caster, the multiple anti-slip blocks 201 provided on both sides of the convex platform 2 can prevent the tire from rotating and slipping along the hub of the caster when the caster moves, thus preventing danger. The functions of the first anti-slip area 5 and the second anti-slip area 7 are to provide greater grip when the caster moves, making the caster not easy to slip. The function of the third anti-slip area 8 is to provide greater friction and grip to the caster in a timely manner when the caster turns or sideslips, reducing the probability of the equipment connected to the caster from tipping over. The deformation groove can reduce the production cost and the overall weight of the caster tire during the production process. Moreover, the groove wall of the deformation groove 9 is a curved surface 93, and the cross-section of the curved surface 93 is S-shaped. In this way, when the tire absorbs impact force, it can increase the elasticity of the tire like a spring piece, better absorb the impact force when the caster moves, so as to meet the requirements of strong grip, low friction noise, high comfort, strong steering flexibility, good dynamic balance, etc. A plurality of arrow-shaped grooves are provided along the circumference on both side walls of the tire, which can indicate the direction of the anti-slip pattern. At the same time, a conspicuous pigment coating, such as a fluorescent coating and a reflective coating, can be applied in the arrow-shaped grooves, so as to play a warning role for the people around during the movement of the caster.

[0044] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A caster tire, comprising a tire (1), with an annular boss (2) provided at the inner ring of the tire (1) that can be sleeved on the caster wheel hub, and a plurality of anti-slip blocks (201) are sequentially arranged along the circumference on both sides of the boss (2). It is characterized in that: Eight-shaped grooves (3), a plurality of eight-shaped grooves (3) are sequentially arranged along the circumference on the tread of the tire (1), and a connecting groove (4) connecting to the middle of the upper eight-shaped groove (3) is provided at the top of the eight-shaped groove (3), and the bottom end of the eight-shaped groove (3) extends out of both sides of the tread; First anti-slip area (5), a first anti-slip area (5) is formed between the eight-shaped groove (3) and the connecting groove (4); Annular grooves (6), annular grooves (6) that can be sequentially interlaced and linked with the lower part of the eight-shaped groove (3) are respectively provided on both sides of the tread; Second anti-slip area (7), a second anti-slip area (7) is formed between two adjacent upper and lower eight-shaped grooves (3) and the connecting groove (4) and the annular groove (6); Third anti-slip area (8), a third anti-slip area (8) is formed between two adjacent upper and lower eight-shaped grooves (3) and the annular groove (6) on both sides of the tread; Deformation grooves (9), a plurality of deformation grooves (9) extending towards the inside of the tire (1) are sequentially arranged along the circumference on the inner ring of the tire (1).

2. The caster tire according to claim 1, characterized in that, The eight-shaped groove (3) includes a first arc groove (31) and a second arc groove (32) symmetrically arranged on the tread of the tire (1), and the first arc groove (31) and the second arc groove (32) are sequentially arranged at intervals along the circumference of the tread.

3. The caster tire according to claim 2, characterized in that, The first anti-slip area (5) is composed of a plurality of first anti-slip blocks (51), the first anti-slip blocks (51) are diamond-shaped, the upper two sides of the first anti-slip blocks (51) have the same curvature as the eight-shaped groove (3), the lower two sides of the first anti-slip blocks (51) have the same curvature as the connecting groove (4), and the upper part of the first anti-slip block (51) is connected to the lower part of another adjacent first anti-slip block (51).

4. A caster tire according to claim 1, characterized in that, The second anti-slip area (7) is trapezoidal, the two sides of the second anti-slip area (7) have the same curvature as the eight-shaped groove (3), and the upper and lower ends of the second anti-slip area (7) have the same curvature as the connecting groove (4) and the annular groove (6) respectively.

5. A caster tire according to claim 1, characterized in that, The third anti-slip area (8) is square, two of the sides of the third anti-slip area (8) have the same curvature as the eight-shaped groove (3), and one side of the third anti-slip area (8) has the same curvature as the annular groove (6).

6. The caster tire according to claim 5, wherein, Anti-slip bumps (81) are densely arranged on the surface of the third anti-slip area (8), and the anti-slip bumps (81) are circular.

7. A caster tire according to claim 1, wherein, First transition arc surfaces (101) are respectively provided at the joints of the eight-shaped groove (3), the connecting groove (4) and the annular groove (6) with the tire (1).

8. A caster tire according to claim 1, characterized in that, The deformation groove (9) is composed of an opening (91) in the shape of a notch and a bottom groove (92) in the shape of a semicircle, and the opening (91) and the bottom groove (92) are connected by a curved surface (93), and the cross-section of the curved surface (93) is S-shaped.

9. The caster tire according to claim 1, characterized in that, A plurality of arrow-shaped grooves (300) are sequentially arranged along the circumference on both side walls of the tire (1).

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