CN107804119B

CN107804119B - Tire

Info

Publication number: CN107804119B
Application number: CN201610813706.9A
Authority: CN
Inventors: 杨银明; 邱文甫
Original assignee: Kenda Rubber Industrial Co Ltd
Current assignee: Kenda Rubber Industrial Co Ltd
Priority date: 2016-09-09
Filing date: 2016-09-09
Publication date: 2019-11-12
Anticipated expiration: 2036-09-09
Also published as: CN107804119A

Abstract

A kind of tire, including multiple moles, respectively the mole has the outer surface towards outer lug and two side walls, and respectively the surface definition of the flat segments of the side wall has an extension line, and respectively the extension line has one first point of interface in the respectively flat segments；Two the first point of interface lines form one first lateral reference line；Definition has one second lateral reference line on the outer surface, and the both ends and the outer surface of the second lateral reference line form two the second point of interfaces, and the length of the second lateral reference line is 0.85 times of the length of the first lateral reference line.The center of the second lateral reference line in vertical direction to the outer surface distance between 0.2~0.8mm.Whereby, even if mole surface wear, good drainage and the road holding with ground face contact can still be possessed.

Description

Tire

Technical field

The present invention relates to tires, more particularly to a kind of tire with good water drainage property.

Background technique

As shown in Figure 1 it is the part of common tire 100, includes a carcass portion 10 and be incorporated into outside the carcass portion 10 One fetus face 20 of side has multiple moles 22 on the fetus face 20, these moles 22 are arranged along the circumference of the tire 100, and Multi-turn mole 22 arranged side by side is formed, each 22 two sides of circle mole are two tire ditches 24.Respectively the mole 22 is used with an outer surface 222 With with ground face contact, the outer surface 222 in the transverse direction of tire 100 (or in width direction) be in flat.In the tire 100 When rolling on the ground, which will be sticked on ground；When the tire 100 rolls on the ground for have water, mole 22 outer surface 222 can squeeze the water on ground into tire ditch 24, thus maintain certain road holding.

However, the outer surface 222 of mole 22 will be gradually worn out after tire 100 has used long, present toward sunken inside Shape (referring to fig. 2), after the outer surface of mole 22 222 is recessed, area that the outer surface 222 of mole 22 is contacted with ground G It tails off, so that the road holding of tire 100 is deteriorated.In addition, when the tire 100 of abrasion is in the ground surface for having water, outer surface 222 The part of recess will be confined to water wherein, can not smoothly drain into water in tire ditch 24, and tire 100 is caused to be easy to skid.It is Do not attained yet with, the design of common tire 100 perfect, needed to be improved.

Summary of the invention

In view of this, can make tire that there is good drainage performance, and increase the purpose of the present invention is to provide a kind of tire Add the service life of tire.

To achieve the goals above, the present invention provides a kind of tires, include a carcass portion and a fetus face, wherein The fetus face is incorporated into the carcass portion, which includes the mole that multiple circumference along the tire are arranged and along the tire Circumference setting at least two tire ditches, these moles are located between the two tires ditch；Respectively the mole has the appearance towards outer lug Face, the outer surface are used for and ground face contact；Respectively the mole has two side walls in the transverse direction of the tire, and respectively the side wall has surface In a flat segments of flat, respectively the surface definition of the flat segments has an extension line, respectively the extension line from the respectively mole bottom toward The direction of the outer surface extends, and respectively the extension line has one first point of interface in the respectively flat segments, and respectively the extension line each First point of interface between the outer surface with the respectively mole to not intersecting；It is horizontal that the line of two first point of interfaces forms one first To reference line；Definition has one second lateral reference line and a vertical reference line on the outer surface, wherein the second lateral reference line It is parallel to the first lateral reference line, the both ends of the second lateral reference line form two second boundaries with the outer surface respectively Point, and the length of the second lateral reference line is 0.85 times of the first lateral reference line length；The vertical reference line respectively with Vertical with the second lateral reference line and center by the first lateral reference line of the first lateral reference line and second cross To the center of reference line；Wherein, the vertical reference line and the plotted point of the outer surface to the center of the second lateral reference line have There is a vertical range, the vertical range is between 0.2~0.8mm.

Effect of the invention is that allowing mole toward outer lug by being designed in this way, and vertical range is between 0.2~0.8mm Between, even if mole surface wear, still can with ground keep it is good contact, effectively allow tire possess good drainage and With the road holding of ground face contact, promote the service life and safety of tire.

Detailed description of the invention

Fig. 1 is the partial schematic diagram of common tire；

Fig. 2 is after disclosing common tire wear, in a schematic diagram of the ground surface for having water；

Fig. 3 is the partial schematic diagram of the tire of first preferred embodiment of the invention；

Fig. 4 is the first mole schematic diagram of the tire of above preferred embodiment；

Fig. 5 be disclose above preferred embodiment tire wear after, in a schematic diagram of the ground surface for having water；

Fig. 6 is the mole schematic diagram of the tire of second preferred embodiment of the invention.

[description of symbols]

[prior art]

100 tires

10 carcass portions

20 fetus face, 22 mole, 222 outer surface

24 tire ditches

The ground G

[present invention]

200 tires

30 carcass portions

40 sides fetus face 40a central part 40b

42 first tire ditch, 44 second fetus ditch, 46 first mole

462 outer surface, 464 side wall 464a flat segments

46 ' second moles

The ground D vertical range E extension line G

H1 the first lateral reference line H2 the second lateral reference line

L1, L2 length

P1 the first point of interface the second point of interface of P2

V vertical reference line

50 moles

502 side wall 502a flat segments 502b chamfering sections

504 outer surfaces

Specific embodiment

For that can be illustrated more clearly that the present invention, now lifts a preferred embodiment and cooperate attached drawing detailed description is as follows.It refers to It is the partial schematic diagram of the tire 200 of first preferred embodiment of the invention, which includes a tire shown in Fig. 3 to Fig. 4 Body portion 30 and the fetus face 40 for being incorporated into 30 outside of carcass portion, emphasis of the invention is the knot for being the fetus face 40 Structure.

The fetus face 40 includes that multiple circumference along the tire 200 are arranged mole and are arranged along the circumference of the tire 200 At least two tire ditches, these moles are located between the two tires ditch, and these moles form at least one circle mole.In more detail, The quantity of at least two tire ditches is at least four, including two the first tire ditches 42 and two second fetus ditches 44；The fetus face 40 packet It includes a central part 40a and the two side 40b positioned at the two sides central part 40a, central part 40a is located at this two article Between one tire ditch 42, respectively side 40b is located at respectively the first tire ditch 42 and respectively between the second fetus ditch 44.These moles include more A first mole 46 and multiple second moles 46 ', wherein these first moles 46 are located at central part 40a and along the tire 200 circumference is arranged and is formed the first mole 46 of a circle, these second moles 46 ' are located at two side 40b, and respectively should The second mole 46 ' on the 40b of side is also respectively formed the second mole 46 ' of a circle along the circumference setting of the tire 200.It is practical In operation, central part 40a may be designed in the first mole 46 of two circles, and be formed between the first mole 46 of two circle There is a central tire ditch.

For purposes of illustration only, now illustrating the structure of the mole of the present embodiment by taking first mole 46 as an example later, below It is the structure for illustrating the mole of the present embodiment in the state of 200 unaerated of tire, Fig. 4 please be cooperate, in which:

First mole 46 has towards an outer surface 462 of outer lug, and the outer surface 462 in tire 200 for being placed in It when ground, is touched with ground, the outer surface 462 is cambered surface in the present embodiment.Transverse direction of first mole 46 in the tire 200 Upper (or in width direction) has two side walls 464, and it is in a flat segments 464a of flat that respectively the side wall 464, which has surface, respectively Flat segments 464a is longest one section of distance in the respectively side wall 464.Respectively the surface definition of flat segments 464a has an extension line E, respectively direction of the extension line E from 46 bottom of the first mole toward the outer surface 462 extends, and respectively extension line E is respectively this is straight Section 464a on have one first point of interface P1, and respectively extension line E respectively the first point of interface P1 between the outer surface 462 not It is intersected with respectively first mole 46.In other words, respectively the first point of interface P1 be respectively extension line E on flat segments 464a most Close to the position of the intersection of outer surface 462.After this two the first point of interface P1 are connected in line, it can get one first and laterally join Examine line H1.

For the more acurrate degree for defining 462 protrusion of outer surface, more definition has one second transverse direction on the outer surface 462 A reference line H2 and vertical reference line V, wherein the second lateral reference line H2 is parallel to first lateral reference line H1, this The both ends of two lateral reference line H2 form two the second point of interface P2, and the second lateral reference line with the outer surface 462 respectively The length L2 of H2 is 0.85 times of the first lateral reference line H1 length L1；Vertical reference line V joins with first transverse direction respectively Examine line H1 center and second lateral reference vertical with the second lateral reference line H2 and by the first lateral reference line H1 The center of line H2, and vertical reference line V and the tire 200 is radial parallel.Vertical reference line V can be defined as a result, With a vertical range D of the plotted point of the outer surface 462 to the center of the second lateral reference line H2.In the present embodiment, this One mole 46 is left and right symmetrical centered on vertical reference line V, and but not limited to this, or is with vertical reference line V The left and right asymmetric design in center.

The respectively structure of second mole 46 ' of the present embodiment is identical as the first mole 46, therefore details are not described herein.Through multiple It is found after experiment and test, when the vertical range D of the first mole 46 and the second mole 46 ' is between 0.2~0.8mm, The tire can have good drainage effect and good road holding.

It please cooperate Fig. 5, in the tire 200 in the state of inflation, when ground G rolls, even if the first mole 46 and the The outer surface 462 of two moles, 46 ' protrusion gradually flattens because of abrasion, the appearance after the first mole 46 and the abrasion of the second mole 46 ' Face 462 remains to maintain good to contact with ground G.Whereby, the tire 200 is in the ground G for have water when rolling, respectively first tire The outer surface of block 46 and respectively second mole 46 ' can squeeze the water of ground G to the first tire ditch 42 with second fetus ditch 44, allow The tire 200 has good drainage effect.

Further, since vertical range D is up to 0.8mm, therefore, tire 200 is in the case of load, each first tire Block 46 can also remain good with ground G with its outer surface 462 after the compression of respectively second mole 46 ' and contact, without making Road holding is bad.In addition, vertical range D not less than 0.2mm in the durability for considering tire to be preferred.To which this is vertical Distance D is optimal numberical range between 0.2~0.8mm.

Above, illustrate so that the first mole 46 is identical as the vertical range D of the second mole 46 ' as an example, in practical operation, The vertical range D that can be designed as respectively first mole 46 is greater than the vertical range D of respectively second mole, which is because, tire The central part 40a of face 40 is easier to wear compared to side 40b, therefore, by allowing the first mole 46 of central part 40a 462 degree of convexity of outer surface is greater than 46 ' outer surface of the second mole, 462 degree of convexity of side 40b, can more increase the tire 200 service life.Preferably, the vertical range D of respectively first mole 46 of centrally located position 40a between 0.5~ Between 0.8mm；It is less than 0.5mm positioned at the vertical range D of respectively second mole 46 ' of each side 40b but is not less than 0.2mm.

Fig. 6 show the mole 50 of the tire of second preferred embodiment of the invention, which, which has, is approximately identical to the The structure of one embodiment, the difference is that there is each side wall 502 of the mole 50 an a flat segments 502a and chamfering section 502b to be located at Between flat segments 502a and outer surface 504, respectively flat segments 502a is longest one section of distance in the respectively side wall 502.This reality It applies each extension line E of example and the first point of interface P1 of side wall 502 and is located at intersecting for respectively flat segments 502a and the respectively chamfering section 502b Place.And the first lateral reference line H1, the second lateral reference line H2, the second point of interface P2, vertical reference line V and vertical range D Definition is identical with the first embodiment, and details are not described herein.

As described above, tire of the invention, allows mole toward outer lug, and vertical range is between 0.2~0.8mm by design Between, so that mole surface wear still can be kept good with ground and contact, can effectively allow tire to possess good drainage And the road holding with ground face contact, promote the service life and safety of tire.

The foregoing is merely preferred possible embodiments of the invention, all within the spirits and principles of the present invention, institute Any modification, equivalent substitution, improvement and etc. done, should all be included in the protection scope of the present invention.

Claims

1. a kind of tire, includes:

One carcass portion；

One fetus face is incorporated into the carcass portion, which includes the mole and edge that multiple circumference along the tire are arranged At least two tire ditches of the circumference setting of the tire, these moles are located between the two tires ditch；Respectively the mole has towards outer lug One outer surface, the outer surface are used for and ground face contact；Respectively the mole has two side walls in the transverse direction of the tire, and respectively the side wall has Having surface is in a flat segments of flat, and respectively the surface definition of the flat segments has an extension line, and respectively the extension line is by the respectively mole The direction of bottom toward the outer surface extends, and respectively the extension line has one first point of interface, and the respectively extension in the respectively flat segments Line is in respectively first point of interface to not intersecting with the respectively mole between the outer surface；The line of two first point of interfaces forms one First lateral reference line；Definition has one second lateral reference line and a vertical reference line on the outer surface, wherein second transverse direction Reference line is parallel to the first lateral reference line, and the both ends of the second lateral reference line form two second with the outer surface respectively Point of interface, and the length of the second lateral reference line is 0.85 times of the length of the first lateral reference line；The vertical reference line It is vertical with the second lateral reference line with the first lateral reference line respectively and by the center of the first lateral reference line with should The center of second lateral reference line；

Wherein, the vertical reference line and the plotted point of the outer surface to the center of the second lateral reference line have one it is vertical away from From the vertical range is between 0.2~0.8mm；

Wherein the quantity of at least two tire ditches is at least four, including two the first tire ditches and two second fetus ditches；The fetus face Including a central part and positioned at two sides of the central part two sides, the central part be located at this two the first tire ditches it Between, respectively the side is located at respectively the first tire ditch and respectively between the second fetus ditch；These moles include multiple first moles with it is multiple Second mole, wherein these first moles are located at the central part, these second moles are located at the both sides；Respectively this The vertical range of one mole is greater than the vertical range of respectively second mole；Respectively the vertical range of first mole between 0.5~ Between 0.8mm；Respectively the vertical range of second mole is less than 0.5mm.

2. tire as described in claim 1, wherein respectively the outer surface of the mole is cambered surface.

3. tire as described in claim 1 is symmetrical arranged wherein respectively the mole is left and right centered on the vertical reference line.

4. tire as described in claim 1, wherein the vertical reference line and the tire is radial parallel.