WO2022000170A1

WO2022000170A1 - Groung cleaning device and drainage and anti-skid tire thereof

Info

Publication number: WO2022000170A1
Application number: PCT/CN2020/098873
Authority: WO
Inventors: 张学东
Original assignee: 广东智意机器人科技有限公司
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2022-01-06
Also published as: DE212020000239U1; CN214164652U

Abstract

A ground cleaning device and a drainage and anti-skid tire thereof. The drainage and anti-skid tire (10) comprises a main tire body (11); a main drainage groove (12) is provided on the main tire body (11); the main drainage groove (12) is formed on a circumferential tread of the main tire body (11), and divides the main tire body (11) into two divided tire bodies (13); fine grooves (14) is provided on the tread of each divided tire body (13); and the fine grooves (14) extend from the outside of the divided tire body (13) to the inside of each divided tire body (13). The fine grooves (14) extending from the outside of each divided tire body (13) to the inside of each divided tire body (13) can drain a water liquid remaining on the tread to the main drainage groove (12) for discharge, or directly swing the water liquid away from the fine grooves (14) to the outside, thereby reducing the area of a water film formed between the tread and the ground, and on the premise of making the tire without selecting an anti-slide material, achieving the anti-slide treatment of the tread, and ensuring the wear resistance performance thereof.

Description

Floor cleaning equipment and its drainage anti-skid tires

technical field

The present application belongs to the technical field of ground cleaning equipment, and in particular relates to a ground cleaning equipment and its drainage and anti-skid tires.

Background technique

With the advancement of technology and the improvement of people's living standards, floor cleaning equipment such as sweeping robots has become more and more popular in people's lives. When the above-mentioned ground cleaning equipment moves, it is usually realized by the rotation of the tires.

In the prior art, the treads of the tires of the floor cleaning equipment are usually provided with raised patterns to improve the passing performance of the floor cleaning equipment, but this will reduce the anti-skid performance of the tires, and if the tires are made of anti-skid materials , which will increase the tire wear rate.

technical problem

The purpose of the embodiments of the present application is to provide a floor cleaning device and a drainage and anti-skid tire thereof, which are intended to solve the technical problem that the tires of the floor cleaning device in the prior art cannot take into account both the anti-skid performance and the wear resistance performance.

technical solutions

In order to solve the above-mentioned technical problems, the technical solutions adopted in the embodiments of the present application are:

In a first aspect, a water-draining anti-skid tire is provided, comprising a main carcass, wherein the main carcass is provided with a main water drainage groove, and the main water drainage groove is formed on the circumference of the main carcass around the axial direction of the main carcass. To the tread, the main carcass is divided into two sub-carcasses, the treads of the sub-carcasses are all provided with a plurality of fine grooves along the circumferential direction, and the fine grooves are along the circumference of the sub-carcass. The width direction extends from the outer side of the sub-carcass to the inner side of the sub-carcass.

Optionally, the groove width of the main drainage groove is 0.7mm˜3mm.

Optionally, the groove width of the main drainage groove is 1.5mm~1.7mm.

Optionally, the groove depth of the main drainage groove is 1 mm˜6 mm.

Optionally, the groove depth of the main drainage groove is 2.5mm˜3.5mm.

Optionally, the groove width of the thin groove is 0.01mm~0.1mm.

Optionally, the slot width of the thin slot is 0.03mm˜0.05mm.

Optionally, the groove depth of the thin groove is 1 mm˜4 mm.

Optionally, the groove depth of the thin groove is 1.5mm˜3mm.

Optionally, the cross-sectional shape of the slot is a rectangle, a triangle or a trapezoid.

Optionally, the ratio of the length of the fine groove to the width of the sub-carcass is at least 0.6.

Optionally, the ratio of the length of the fine groove to the width of the sub-carcass is 0.6-0.8.

Optionally, the main carcass is a silicone carcass, a rubber carcass or a plastic carcass.

Optionally, the tread of the main carcass is a smooth tread.

In a second aspect, a ground cleaning device is provided, comprising the above-mentioned drainage tire.

beneficial effect

The embodiments of the present application have at least the following beneficial effects: the drainage and anti-skid tires provided by the embodiments of the present application are provided with main drainage grooves formed on the circumferential tread of the main carcass, so that the main drainage grooves The carcass is divided into two sub-carcasses, so that when the drainage anti-skid tire rolls on a slippery ground, the water left on the tread can be thrown away from the tread through the main drainage groove. A plurality of fine grooves are provided on the tread of the sub-carcass along its circumferential direction, and the fine grooves extend from the outer side of the sub-carcass to the inner side of the sub-carcass along the width direction of the sub-carcass. In this way, when the drainage anti-skid tire is assembled in the ground cleaning equipment, it tends to deviate to the outside of the sub-carcass relative to the ground force, that is, the side of the sub-carcass away from the main body of the ground cleaning equipment, then the outer side of the self-divided carcass The fine grooves extending on the inner side of the sub-carcass can drain the water on the tread to the main drainage groove, and discharge from the main drainage groove, or directly fling away from the fine groove to the outside world, thereby increasing the tread and the ground. It reduces the area of the water film formed between the tread and the ground, so that the anti-skid treatment of the tread is realized through the cooperation of the main drainage groove and each fine groove without the need to select anti-skid materials to make the tire. , so that the drainage anti-skid tire can improve its drainage and anti-skid performance, while also ensuring its wear resistance.

The ground cleaning equipment provided by the embodiments of the present application includes the above-mentioned drainage and anti-skid tires, and the above-mentioned drainage and anti-skid tires realize the anti-skid treatment of the tread under the cooperation of the main drainage groove and each fine groove, so that the drainage and anti-skid tires are While improving its drainage and anti-skid performance, it also ensures its wear resistance. In this way, the drainage and anti-skid performance of the ground cleaning equipment during operation is improved, and the use cost of the ground cleaning equipment is also reduced.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a drainage anti-skid tire provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another angle of the drainage anti-skid tire provided by the embodiment of the application;

Fig. 3 is the partial enlarged view of A place in Fig. 2;

FIG. 4 is a front view of the drainage anti-skid tire provided by the embodiment of the present application;

FIG. 5 is a cross-sectional view taken along line B-B in FIG. 1 .

Among them, each reference sign in the figure:

10—Drainage anti-skid tires 11—Main carcass 12—Main drain

13-divided carcass 14—Slots 15—Reinforcing rib ring

16—Reinforcing ribs.

Embodiments of the present invention

The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to FIGS. 1 to 5 are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application.

In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than An indication or implication that the referred device or element must have, be constructed, and operate in a particular orientation is not to be construed as a limitation on the present application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

In this application, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

As shown in FIGS. 1 to 3 , an embodiment of the present application provides a floor cleaning device and a drainage and anti-skid tire 10 that it includes. The floor cleaning device may specifically be a sweeping robot. Specifically, the drainage anti-skid tire 10 includes a main carcass 11 , the main carcass 11 is provided with a main drainage groove 12 , and the main drainage groove 12 is formed on the circumferential tread of the main carcass 11 around the axial direction of the main carcass 11 , and The main carcass 11 is divided into two sub-carcasses 13, and the tread of the sub-carcass 13 is provided with a plurality of fine grooves 14 along its circumferential direction. The outer side extends toward the inner side of the sub-carcass 13 .

Specifically, the outer side of the sub-carcass 13 refers to the side of the sub-carcass 13 that is away from the body of the ground cleaning equipment when the drainage anti-skid tire 10 is installed on the ground cleaning equipment, and the inner side of the sub-carcass 13 refers to the sub-carcass 13 The side facing the body of the floor cleaning device.

More specifically, as shown in FIG. 1 , FIG. 4 and FIG. 5 , the main carcass 11 is also formed with a bead ring 15 protruding along its circumferential direction relative to the inner wall surface of its tread. There are a plurality of reinforcing ribs 16 extending in the width direction of the main carcass 11, so that the reinforcing rib ring 15 and the reinforcing ribs 16 distributed on both sides thereof play a supporting role for the main carcass 11, thereby improving the main carcass 11. Overall strength of body 11.

The drainage anti-skid tire 10 provided by the embodiment of the present application is further described below: the drainage anti-skid tire 10 provided by the embodiment of the present application is formed by opening the main drainage groove 12 formed on the circumferential tread of the main carcass 11 on the main carcass 11 , and the main drainage groove 12 divides the main carcass 11 into two sub-carcasses 13, so that when the drainage anti-skid tire 10 rolls on a slippery ground, the water left on the tread can pass through the main drainage groove 12. thrown off the tread. By opening a plurality of thin grooves 14 on the tread of the sub-carcass 13 along its circumferential direction, the thin grooves 14 extend from the outer side of the sub-carcass 13 to the inner side of the sub-carcass 13 along the width direction of the sub-carcass 13 . In this way, when the drainage anti-skid tire 10 is assembled in the ground cleaning equipment, it tends to deviate to the outer side of the sub-carcass 13 relative to the place where the ground is stressed, that is, the sub-carcass 13 is away from the side of the main body of the ground cleaning equipment, so the self-dividing carcass The thin groove 14 extending from the outer side of the 13 to the inner side of the sub-carcass 13 can drain the water on the tread to the main drainage groove 12 and discharge it from the main drainage groove 12, or directly from the thin groove 14 to the main drainage groove 12. The outside world, thereby increasing the contact area between the tread and the ground, reducing the area of the water film formed between the tread and the ground, so that without the need to select anti-skid materials to make the tire, that is, through the main drainage groove 12 and the fine grooves The cooperation of 14 realizes the anti-skid treatment of the tread, so that the drainage and anti-skid tire 10 can improve its drainage and anti-skid performance, and also ensure its wear resistance performance.

The ground cleaning equipment provided in the embodiment of the present application includes the above-mentioned drainage anti-skid tire 10, and the above-mentioned drainage anti-skid tire 10 realizes the anti-skid treatment of the tread under the cooperation of the main drainage groove 12 and each fine groove 14, so that The drainage anti-skid tire 10 not only improves its drainage and anti-skid performance, but also ensures its wear resistance performance. In this way, the drainage and anti-skid performance of the ground cleaning equipment during operation is improved, and the use cost of the ground cleaning equipment is also reduced.

In other embodiments of the present application, the groove width of the main drainage groove 12 is 0.7 mm˜3 mm. Specifically, the groove width of the main drainage groove 12 may be 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm , 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm or 3.0mm.

By limiting the groove width of the main drainage groove 12 to 0.7 mm˜3 mm. This ensures that the water is discharged from the water drainage groove 12 to the outside, and further improves the drainage performance of the water-draining and anti-skid tires 10 when the floor cleaning equipment runs on slippery ground.

In other embodiments of the present application, the groove width of the main drainage groove 12 is 1.5 mm˜1.7 mm. Specifically, the groove width of the main drainage groove 12 may be 1.55mm, 1.6mm, 1.65mm or 1.7mm. By further limiting the width of the main drainage groove 12 to 1.5mm~1.7mm, the efficiency of discharging the water left on the tread to the outside from the main drainage groove 12 is improved, and the main drainage groove 12 is also effectively controlled. It accounts for the area ratio of the tread of the main carcass 11 , so that the main carcass 11 has a sufficient contact area with respect to the ground, thereby ensuring the anti-skid performance of the drainage anti-skid tire 10 .

In other embodiments of the present application, the groove depth of the main drainage groove 12 is 1 mm˜6 mm. Specifically, the groove depth of the main drainage groove 12 may be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3.0 mm, 3.5 mm, 4.0 mm, 4.5 mm, 5 mm, 5.5 mm or 6 mm.

By setting the groove depth of the main drainage groove 12 to 1 mm to 6 mm. In this way, the efficiency of discharging water from the self-draining groove 12 to the outside is further improved, and the drainage performance of the anti-skid tire 10 for draining water is further improved when the ground cleaning equipment is running on slippery ground.

In other embodiments of the present application, the groove depth of the main drainage groove 12 is 2.5 mm˜3.5 mm. Specifically, the groove depth of the main drainage groove 12 is 2.5mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm, 3.0mm, 3.1mm, 3.2mm, 3.3mm, 3.4mm or 3.5mm.

By setting the groove depth of the main drainage groove 12 to 2.5mm~3.5mm, while ensuring that the main drainage groove 12 has good drainage performance, it also ensures that the connection between the two parts of the carcass 13 is strong enough. Further, it is ensured that the main carcass 11 has sufficient overall strength.

In other embodiments of the present application, the groove width of the thin groove 14 is 0.01 mm˜0.1 mm. Specifically, the slot width of the slot 14 is 0.01 mm, 0.02 mm, 0.03 mm, 0.04 mm, 0.05 mm, 0.06 mm, 0.07 mm, 0.08 mm, 0.09 mm or 0.1 mm.

By setting the groove width of the thin grooves 14 to 0.01mm~0.1mm, the performance of the thin grooves 14 to conduct water conduction and drainage along the width direction of the sub-carcass 13 is ensured, so that the water can be quickly guided through each tin groove. It flows into the main drainage groove 12, or is directly thrown away from the fine groove 14 to the outside world.

In other embodiments of the present application, the groove width of the thin groove 14 is 0.03mm˜0.05mm. Specifically, by setting the groove width of the fine grooves 14 to 0.03 mm~0.05 mm, the performance of water guiding and drainage of the fine grooves 14 along the width direction of the sub-carcass 13 is ensured, and the sub-carcass 13 is also ensured. The tread area of the carcass 13 further ensures that the sub-carcass 13 has sufficient grip.

In other embodiments of the present application, the groove depth of the thin groove 14 is 1 mm˜4 mm. Specifically, the groove depth of the slot 14 may be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm or 4 mm. By setting the groove depth of the thin grooves 14 to 1 mm˜4 mm, the water guiding and drainage performance of the thin grooves 14 is further improved.

In other embodiments of the present application, the groove depth of the thin groove 14 is 1.5 mm˜3 mm. Specifically, the groove depth of the fine grooves 14 can also be further limited to 1.5mm~3mm, so as to ensure the water conduction and drainage performance of the fine grooves 14, and also ensure that the overall strength of the sub-carcass 13 does not decrease.

In other embodiments of the present application, the cross-sectional shape of the slot 14 is a rectangle, a triangle or a trapezoid. Specifically, the cross section of the thin groove 14 is preferably rectangular, which on the one hand facilitates the processing of the thin groove 14, and on the other hand expands the volume of the thin groove 14, thereby further improving the water conduction and drainage performance of the thin groove 14. .

In other embodiments of the present application, the ratio of the length of the fine groove 14 to the width of the sub-carcass 13 is at least 0.6. Specifically, by defining the ratio of the length of the narrow groove 14 to the width of the sub-carcass 13 to be at least 0.6. In this way, it is ensured that the fine grooves 14 can guide and drain most of the water liquid remaining on the tread surface of the sub-carcass 13 , thereby further improving the drainage performance of the water-draining anti-skid tire 10 .

In other embodiments of the present application, the ratio of the length of the fine groove 14 to the width of the sub-carcass 13 is 0.6˜0.8. Specifically, the ratio of the length of the fine groove 14 to the width of the sub-carcass 13 may be 0.6, 0.65, 0.7, 0.75 or 0.8. By limiting the ratio of the length of the fine groove 14 to the width of the sub-carcass 13 to 0.6-0.8, on the one hand, it satisfies that the fine groove 14 can guide most of the water liquid remaining on the tread of the sub-carcass 13. Flow and drainage, on the other hand, also make the tread of the sub-carcass 13 a complete continuous tread, thereby improving the overall strength and grip and anti-skid performance of the sub-carcass 13 .

In other embodiments of the present application, the main carcass 11 is a silicone carcass, a rubber carcass or a plastic carcass. Specifically, the main carcass 11 may preferably be a rubber carcass, so that thanks to the flexibility and wear resistance of rubber, the contact area between the tread of the main carcass 11 and the ground is larger, thereby improving the main carcass. Anti-skid performance and wear-resistant performance of the body 11 .

In other embodiments of the present application, the tread of the main carcass 11 is a smooth tread. Specifically, by designing the tread of the main carcass 11 as a smooth tread, the smooth tread combined with the cooperation of the main drainage groove 12 and the fine grooves 14 not only ensures the drainage and antiskid performance of the main carcass 11, but also The friction between the main carcass 11 and the ground is reduced, thereby improving the rolling efficiency of the main carcass 11 relative to the ground, and also improving the traveling efficiency of the ground cleaning equipment.

The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application. Inside.

Claims

A drainage anti-skid tire is characterized in that: it comprises a main carcass, the main carcass is provided with a main drainage groove, and the main drainage groove is formed in the circumferential direction of the main carcass around the axial direction of the main carcass The main carcass is divided into two sub-carcasses, the treads of the sub-carcasses are all provided with a plurality of fine grooves along the circumferential direction, and the fine grooves are along the width of the sub-carcass The direction extends from the outer side of the sub-carcass to the inner side of the sub-carcass.
The drainage antiskid tire according to claim 1, wherein the groove width of the main drainage groove is 0.7mm~3mm.
The drainage anti-skid tire according to claim 2, wherein the groove width of the main drainage groove is 1.5mm~1.7mm.
The drainage anti-skid tire according to claim 1, wherein the groove depth of the main drainage groove is 1mm~6mm.
The drainage anti-skid tire according to claim 4, wherein the groove depth of the main drainage groove is 2.5mm~3.5mm.
The drainage anti-skid tire according to claim 1, wherein the groove width of the thin groove is 0.01mm~0.1mm.
The drainage anti-skid tire according to claim 6, wherein the groove width of the thin groove is 0.03mm~0.05mm.
The drainage anti-skid tire according to any one of claims 1 to 7, wherein the groove depth of the thin groove is 1 mm to 4 mm.
The drainage anti-skid tire according to claim 8, wherein the groove depth of the thin groove is 1.5mm~3mm.
The drainage anti-skid tire according to any one of claims 1 to 7, wherein the cross-sectional shape of the fine groove is a rectangle, a triangle or a trapezoid.
The drainage anti-skid tire according to any one of claims 1 to 7, wherein the ratio of the length of the fine groove to the width of the sub-carcass is at least 0.6.
The drainage anti-skid tire according to claim 11, wherein the ratio of the length of the fine groove to the width of the main sub-carcass is 0.6-0.8.
The drainage anti-skid tire according to any one of claims 1 to 7, wherein the main carcass is a silicone carcass, a rubber carcass or a plastic carcass.
The drainage anti-skid tire according to any one of claims 1 to 7, wherein the tread of the main carcass is a smooth tread.
A ground cleaning device, characterized in that it comprises the drainage anti-skid tire according to any one of claims 1 to 14.