CN213705084U - High-strength folding tire structure - Google Patents

Abstract

The utility model discloses a folding tire structure of high strength, its structure includes the tire body, the both ends edge of tire body is equipped with the child lip, the central point of child lip thickness puts and is formed with the compact layer, the inside cladding on compact layer has a plurality of steel wire winding, the steel wire winding is at the inside evenly distributed on compact layer, the steel wire winding includes sharp soft steel wire, a plurality of soft steel wire an of winding and a plurality of soft steel wire b of winding, the steel wire winding is by a plurality of soft steel wire an of winding, a plurality of soft steel wire b of winding all uses sharp soft steel wire as the central line, respectively forward, reverse spiral winding and alternate the twist each other on sharp soft steel wire, the utility model provides a folding tire's service strength.

Description

High-strength folding tire structure

The technical field is as follows:

the utility model belongs to the technical field of a folding tire's manufacturing technology and specifically relates to a folding tire structure of high strength.

Background art:

in recent years, the popularity of foldable bicycle tires in the domestic and foreign bicycle market is higher due to the characteristics of small volume and convenient storage, storage and transportation after being folded, and the foldable effect of the tires is realized by special tire bead materials different from common tires, wherein one of the special tire bead materials is a soft steel wire ring.

At present, the steel wire ring is mostly twisted by selecting a plurality of soft steel wires in a spiral winding manner, however, the tightness of the steel wire ring formed by twisting is poor and easy to scatter, so that the steel wire ring is low in overall strength and easy to break in the using process of the folding tire, and secondly, in the using process of the folding tire, the soft steel wire ring is directly wrapped in the folding tire, so that the outer layer of the folding tire is easily pressed, the risk of breakage of the folding tire is increased, and the using strength of the folding tire is further influenced.

The utility model has the following contents:

the utility model aims at providing a folding tire structure of high strength solves one or more among the above-mentioned prior art problem.

In order to solve the technical problem, the utility model provides a folding tire structure of high strength, its structure includes the tire body, and the both ends edge of tire body is equipped with the child lip, and its innovation point lies in: a compact layer is formed in the center of the thickness of the tire lip, a plurality of steel wire rings are wrapped inside the compact layer, and the steel wire rings are uniformly distributed inside the compact layer.

The steel wire ring comprises a linear soft steel wire, a plurality of winding soft steel wires a and a plurality of winding soft steel wires b, wherein the steel wire ring is formed by respectively spirally winding the linear soft steel wires a and the winding soft steel wires b in a forward direction and a reverse direction by taking the linear soft steel wires as central lines and alternately twisting the linear soft steel wires.

Further, when the flexible steel wire a and the flexible steel wire b are spirally wound on the linear flexible steel wire, a plurality of spiral pitches a and b are respectively formed, the length of the spiral pitch a is equal to that of the spiral pitch b, the flexible steel wire a is closely arranged inside the spiral pitch a along the extending direction of the linear flexible steel wire, and the flexible steel wire b is closely arranged inside the spiral pitch b along the extending direction of the linear flexible steel wire.

Furthermore, the circle diameters of the straight soft steel wire, the winding soft steel wire a and the winding soft steel wire b are all between 0.05mm and 0.2mm, and the length of the spiral pitch a or the spiral pitch b is between 1mm and 4 mm.

Further, the compact layer is a vulcanized nitrile rubber layer, the surface of the vulcanized nitrile rubber layer is covered with a reinforcing layer, and the surfaces of the linear soft steel wire, the winding soft steel wire a and the winding soft steel wire b are all subjected to phosphating treatment.

The reinforcing layer comprises vulcanized rubber and inorganic matters.

The beneficial effects of the utility model reside in that:

1. the utility model provides a folding tire structure of high strength through the spiral winding mode on the soft steel wire of straight line respectively through a plurality of soft steel wire an of twining and a plurality of soft steel wire b of twining, has improved the compactness of the soft steel wire of straight line, the soft steel wire a of twining and the soft steel wire b of twining between each other to the use strength of steel wire winding has been improved, thereby avoids appearing the cracked phenomenon of steel wire winding.

2. The utility model provides a folding tire structure of high strength can effectively block the outer oppression of steel wire winding to the tire body through the settlement on compact layer to reduce the outer danger that takes place to rupture of tire body, improved the holistic use strength of tire body.

3. The utility model provides a folding tire structure of high strength, carry out the bonderizing reaction through the surface at the steel wire winding, can effectively block rusty of steel wire winding, avoided appearing the phenomenon that the rupture appears in the steel wire winding because rusty production, the life of steel wire winding has been prolonged, thereby the service strength of tire body has been guaranteed, secondly, at the surface coating strengthening layer on vulcanization butyronitrile rubber layer, be favorable to the bonderizing on steel wire winding surface and strengthening layer to produce chemical crosslinking reaction, thereby improve the bonding strength between steel wire winding and the compact layer, thereby the service strength of tire body has further been improved.

Description of the drawings:

fig. 1 is a schematic side view of the bead of the present invention.

Fig. 2 is a spiral winding diagram of the soft steel wire wound with the soft steel wire a and the soft steel wire wound with the soft steel wire b on the straight line soft steel wire.

Fig. 3 is the process diagram of the utility model discloses a plurality of soft steel wires of winding a, a plurality of soft steel wires of winding b carry out the spiral winding along the extending direction of the soft steel wire of straight line.

The specific implementation mode is as follows:

in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

Fig. 1 to fig. 3 show a specific embodiment of the present invention, the structure of which includes a tire body 101, the two end edges of the tire body 101 are provided with beads 1, the central position of the thickness of the beads 1 is formed with a dense layer 2, the inside of the dense layer 2 is coated with a plurality of bead rings 3, and the bead rings 3 are uniformly distributed inside the dense layer 2.

The bead ring 3 includes a linear flexible steel wire 31, a plurality of winding flexible steel wires a32, and a plurality of winding flexible steel wires b33, and the bead ring 3 is formed by spirally winding the plurality of winding flexible steel wires a32 and the plurality of winding flexible steel wires b33 on the linear flexible steel wire 31 in forward and reverse directions respectively, and alternately twisting the plurality of winding flexible steel wires a32 and the plurality of winding flexible steel wires b33 on the linear flexible steel wire 31.

The utility model discloses in, set up bead ring 3 inside 2 dense layers of 1 central thickness of child lip, on the one hand, bead ring 3 guarantees in the setting of central point position that bead ring 3 can not take place the phenomenon of skew to the surface of tire body 101, guarantee the stability of bead ring 3 in 1 inside position of child lip, on the other hand, dense layer 2 belongs to the great rubber layer of density, can effectively block 3 pairs of outer oppression of tire body 101 of bead ring, thereby reduced the outer danger that breaks that takes place of tire body 101, the holistic use strength of tire body 101 has been improved.

The utility model discloses in, through the spiral winding mode of a plurality of soft steel wire a32 of winding and a plurality of soft steel wire b33 of winding respectively on the soft steel wire 31 of straight line, improved the compactness of the soft steel wire 31 of straight line, the soft steel wire a32 of winding and the soft steel wire b33 of winding between each other to the working strength of steel traveler 3 has been improved, thereby the cracked phenomenon of steel traveler 3 has been avoided appearing.

The wound flexible wire a32 and the wound flexible wire b33 are formed with a plurality of spiral pitches a4 and b5, respectively, when the wound flexible wire a32 and the wound flexible wire b33 are spirally wound around the linear flexible wire 31, the length of the spiral pitch a4 is equal to the length of the spiral pitch b5, the wound flexible wire a32 is closely arranged inside the spiral pitch a4 along the extending direction of the linear flexible wire 31, and the wound flexible wire b33 is closely arranged inside the spiral pitch b5 along the extending direction of the linear flexible wire 31.

The utility model discloses in, respectively through winding soft steel wire a32, the soft steel wire b33 of winding sets up at the soft steel wire 31 spiral winding's of straight line position respectively, the inside inseparable winding respectively of having guaranteed every spiral pitch a4 and spiral pitch b5 has winding soft steel wire a32, winding soft steel wire b33, thereby ensure winding soft steel wire a32, winding soft steel wire b33 can carry out even spiral winding along the extending direction of the soft steel wire 31 of straight line, the further improvement of this kind of homogeneity has the holistic use strength of steel wire winding 3.

The diameters of the straight soft steel wire 31, the winding soft steel wire a32 and the winding soft steel wire b33 are all between 0.05mm and 0.2mm, and the length of the spiral pitch a4 or the spiral pitch b5 is between 1mm and 4 mm.

The utility model discloses in, the setting of spiral pitch a4 and spiral pitch b5 ensures that can spiral winding the soft steel wire a32 of sufficient quantity, winding soft steel wire b33 respectively on the soft steel wire 31 of line, further satisfies the needs of 3 overall structure intensity of steel wire winding.

The compact layer 2 is a vulcanized nitrile rubber layer, the surface of the vulcanized nitrile rubber layer is covered with a reinforcing layer, and the surfaces of the linear soft steel wire 31, the winding soft steel wire a32 and the winding soft steel wire b33 are all subjected to phosphating treatment.

The reinforcing layer comprises vulcanized rubber and a coupling agent.

The utility model discloses in, with sharp soft steel wire 31, the surface of winding soft steel wire a32 and winding soft steel wire b33 is bonderizing reaction respectively, can effectively block rusting of steel wire winding 3, avoided appearing the phenomenon that the rupture appears in steel wire winding 3 because of rusty production, the life of steel wire winding 3 has been prolonged, thereby the service strength of tire body 101 has been guaranteed, secondly, at the surface coating strengthening layer on vulcanization butyronitrile rubber layer, be favorable to bonderizing and the strengthening layer on steel wire winding 3 surface to produce chemical crosslinking reaction, thereby improve the bonding strength between steel wire winding 3 and the compact layer 2, thereby the service strength of tire body 101 has further been improved.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a folding tire structure of high strength, its structure includes tire body (101), the both ends edge of tire body (101) is equipped with child lip (1), its characterized in that: a compact layer (2) is formed in the center of the thickness of the tire bead (1), a plurality of steel wire rings (3) are coated inside the compact layer (2), and the steel wire rings (3) are uniformly distributed inside the compact layer (2);

the steel wire ring (3) comprises a linear soft steel wire (31), a plurality of winding soft steel wires a (32) and a plurality of winding soft steel wires b (33), and the steel wire ring (3) is formed by respectively spirally winding the plurality of winding soft steel wires a (32) and the plurality of winding soft steel wires b (33) in a forward direction and a reverse direction by taking the linear soft steel wire (31) as a central line, and the steel wire ring and the winding soft steel wires are alternately twisted on the linear soft steel wire (31).

2. A high strength folded tire structure as claimed in claim 1, wherein: the soft steel wire winding device is characterized in that a plurality of spiral pitches a (4) and b (5) are respectively formed when the soft steel wire winding a (32) and the soft steel wire winding b (33) are spirally wound on the soft steel wire straight line (31), the length of the spiral pitch a (4) is equal to that of the spiral pitch b (5), the soft steel wire winding a (32) is closely arranged inside the spiral pitch a (4) along the extending direction of the soft steel wire straight line (31), and the soft steel wire winding b (33) is closely arranged inside the spiral pitch b (5) along the extending direction of the soft steel wire straight line (31).

3. A high strength folded tire structure as claimed in claim 2, wherein: the circle diameters of the linear soft steel wire (31), the winding soft steel wire a (32) and the winding soft steel wire b (33) are all between 0.05mm and 0.2mm, and the length of the spiral pitch a (4) or the spiral pitch b (5) is between 1mm and 4 mm.

4. A high strength folded tire structure as claimed in claim 1, wherein: the compact layer (2) is a vulcanized nitrile rubber layer, a reinforcing layer covers the surface of the vulcanized nitrile rubber layer, and the surfaces of the linear soft steel wire (31), the winding soft steel wire a (32) and the winding soft steel wire b (33) are all subjected to phosphating treatment.

5. A high strength folded tire structure as claimed in claim 4, wherein: the reinforcing layer is formed by combining vulcanized rubber and inorganic matters.

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