CN216184265U

CN216184265U - Tire structure and wheel assembly of leak protection gas

Info

Publication number: CN216184265U
Application number: CN202123043293.6U
Authority: CN
Inventors: 朱玲玲; 谢玉礼; 郑昌海
Original assignee: Ningbo Beilun Wanfeng Sporting Goods Co ltd
Current assignee: Ningbo Beilun Wanfeng Sporting Goods Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-05
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses an air leakage prevention tire structure and a wheel assembly, wherein the wheel assembly comprises the tire structure, the tire structure comprises a balloon tire and an inflating valve, a necking mounting groove is arranged at the side wall and the toe opening of the balloon tire or on an inner ring tread of the balloon tire, the mounting groove is communicated with the cavity of the balloon tire, the tail end of a valve body of the inflating valve is arranged in the mounting groove and fixed into a whole by glue, the scheme breaks the existing assembling structure of the balloon tire and the inflating valve, and the inflating valve is directly glued and fixed at the side wall or the toe opening of the balloon tire.

Description

Tire structure and wheel assembly of leak protection gas

Technical Field

The utility model relates to the technical field of wheels, in particular to an anti-leakage tire structure and a wheel assembly comprising the anti-leakage tire structure, and is particularly suitable for a balloon tire.

Background

Based on the special terrain of the beach, the wheels of the prior beach vehicle mostly adopt balloon tires, the balloon tires are also called rubber inflation tires, are mostly made of PU, TPU or PVC and other materials, are similar to vacuum tires and are of tubeless structures, but the tire bead of the balloon tire is sealed and is structurally similar to a solid tire with a cavity, an inflating valve is usually arranged at the tire side or the toe bead of the balloon tire, but the inflating valve is mostly fastened at the installation position through a gasket and a nut in a matching way, and the structure has the defect that the air leakage phenomenon is frequent and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one technical defect, the utility model provides the following technical scheme:

the application file discloses tire structure of leak protection gas, including balloon tire, inflating valve, the side wall of balloon tire or the notch that toe mouth department set up mounting groove and mounting groove are the throat formula, the mounting groove with the intracavity intercommunication of balloon tire, inflating valve body tail end sets up in the mounting groove and with the glue solution fixed as an organic whole.

Breaking the mounting structure of current balloon tire and inflating valve in this scheme suddenly, fixing the direct gluing of inflating valve in the side wall of balloon tire or the mounting groove department of toe mouth department, the mounting groove is the throat formula, after the mounting groove was arranged in to the inflating valve tail end, the inflation of balloon tire, the design of throat formula cell body makes the groove jade further extrude inflating valve tail end portion, improve leakproofness and firmness, the sealed butt joint structure of conventional gasket of inflating valve and nut etc. has been saved to this structure, the leakproofness promotes by a wide margin, the installation degree of difficulty reduces.

Aiming at the installation position of the inflating valve, when the inflating valve is arranged at a toe opening, the forming hole can be formed at the wheel edge of the rim to extend out of the inflating valve, when the inflating valve is blocked at the side wall, the opening of the wheel edge is not needed, and the inflating valve can be independently arranged outside the rim.

Further, the notch of mounting groove is the throat formula, and the vallecular cavity of mounting groove is unanimous with inflating valve body tail end shape, and common inflating valve body is mostly the big configuration of tail end axle diameter, and this mounting groove notch throat, vallecular cavity and inflating valve body tail end shape are unanimous to be favorable to closely laminating, and the throat formula structure helps the part of closely laminating inflating valve body tail end top, and it plays spacing and the sealed effect of enhancement, and under this structure, after the inflation of balloon tire, inflating valve's stability is good, and the leakproofness promotes.

Furthermore, the tail end of the inflating valve body is hemispherical, a forming groove cavity at the side wall or the toe opening of the balloon tire is a hemispherical mounting groove, and the tail end of a common TPMS type inflating valve is hemispherical.

Furthermore, the bottom wall center forming through hole of the mounting groove is communicated with the inside of the balloon tire cavity, the bottom wall center forming through hole corresponds to the axial center air hole of a plurality of inflating valves, and the ventilation smoothness is improved.

Further, the balloon tire is a pneumatic tire without an inner tube formed by PU, TPU or PVC, and is similar to the structure of an inner tube.

The application file provides a wheel assembly, including foretell tire structure and wheel hub assembly, wheel hub assembly includes rim plate, rim, spoke, it is fixed as an organic whole for split type structure and this rim and rim plate, spoke between the rim of rim one end and the rim body, set up the connecting plate in the circle mouth of rim body, connecting plate center department sets up the shaft hole just the connecting plate is fixed with the spoke.

Improve the wheel hub structure in this scheme to with rim one end rim components of a whole that can function independently to fixed as an organic whole with this department rim and rim, spoke, through installation or shaping connecting plate in the circle mouth at the rim, with the fixed equipment of connecting plate and spoke butt joint messenger rim shaping and completion rim and rim, reduce the processing degree of difficulty of rim, make things convenient for modularization equipment and maintenance etc..

Furthermore, an annular flange I is formed in the surface, butted with the end part of the rim body, of the wheel flange in a protruding mode along the axial direction, the flange is sleeved on the end part of the rim body, the wheel flange is butted with the end part of the rim body in a sleeved mode, namely the wheel flange and the end part of the rim body are directly spliced and formed, and assembly is facilitated.

Furthermore, the two ends of the rim are respectively provided with a first rim and a second rim, a hole for extending the inflating valve is formed in the first rim at one end of the rim, a split structure is formed between the second rim and the rim body, and the second rim, the wheel disc and the spoke are fixed into a whole; the spoke comprises a spoke plate and spokes, the periphery of the wheel disc is connected with the rim II through the spoke plate, the spoke plate is surrounded by the spoke plate at intervals and is convexly molded, the spoke plate is surrounded by the spoke plate at intervals and is provided with first fastening holes, the connecting plate is correspondingly provided with second fastening holes, the spoke plate and the spokes form the spoke, the structural strength is improved, meanwhile, the spoke plate and the corresponding connecting plate are provided with the fastening holes, the butt joint is convenient to fix, and if the bolts are screwed in and fixed through the fastening holes. When the mounting position of inflating valve was in the toe department, correspond and supply inflating valve to stretch out in rim one department trompil, this structure helps improving inflating valve's stability.

Furthermore, the groove is formed in the bottom wall of the groove of the rim at intervals, so that the structural strength is improved.

The application document provides a method of tire leak protection gas, the throat formula mounting groove of shaping and balloon tire intracavity intercommunication on the side wall of balloon tire, toe mouth department or inner ring tread, with inflating valve body tail end gluing fixed mounting groove in, break through conventional design, the fixed inflating valve of fluting gluing on the balloon tire, the leakproofness promotes, the processing degree of difficulty reduces.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the inflating valve is glued and fixed at the necking type mounting groove on the balloon tire for the first time, so that the air leakage phenomenon is greatly reduced.

2. The utility model improves the structure of the hub assembly and is convenient to assemble and mold.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the anti-leakage tire of embodiment 1;

FIG. 2 is a schematic view of the present vent nozzle;

FIG. 3 is a schematic view of the mounting groove on the tire;

FIG. 4 is a schematic view of the present mounting slot configuration;

FIG. 5 is a schematic view showing the mounting structure of the present tire on a rim;

FIG. 6 is a schematic view of a rim construction;

FIG. 7 is a schematic view of a rim construction;

FIG. 8 is a structural schematic diagram of the rim body and the first rim;

FIG. 9 is a schematic view of the connection structure of the wheel disc, the spoke and the rim II;

FIG. 10 is a schematic view of the rim and wheel disc in an exploded configuration;

wherein the reference numerals are:

1. a balloon tire; 2. a toe opening; 3. an air valve; 4. mounting grooves; 5. a rim; 6. a wheel disc; 7. a web; 8. spokes; 9. a connecting plate; 10. an inner ring tread; 11. a sidewall; 31. a tail end; 32. a seal member; 41. a slot cavity; 42. a notch; 43. a ring groove; 44. a through hole; 51 a first wheel rim; 52. an aperture; 53. a groove; 54. a second wheel rim; 55. a first flange; 71. a first fastening hole; 72. convex edges; 91. a shaft hole; 92. and a second fastening hole.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

Based on the phenomenon that air leakage frequently occurs at the installation position of the inflating valve in the existing balloon tire installation structure, the conception of gluing, adhering and fixing the inflating valve on the balloon tire is provided by repeated experiments, and the specific structure is described in the following embodiment.

Example 1

As shown in fig. 1, in this embodiment, the anti-leakage tire structure includes a balloon tire 1 and an inflating valve 3, wherein the balloon tire 1 is formed by slush molding process and made of PVC material, as shown in fig. 1, the balloon tire 1 is of a fully-sealed type, the tire beads on both sides of the bead opening of the balloon tire are connected into a whole to seal the bead opening, and in this structure, only the mounting groove is inflated or deflated.

The valve 3 is a TPMS valve as shown in fig. 2, and has a semispherical tail end 31, and a sealing member 32 is mounted on the valve body above the tail end. As shown in fig. 3, in this embodiment, the mounting groove 4 is integrally formed at the toe opening 2 of the balloon tire 1, the configuration shown in fig. 4 is adopted, the notch 42 of the mounting groove 4 is a necking type, the shape of the groove cavity 41 is consistent with the shape of the tail end 31 of the inflating valve 3 and is hemispherical, under this structure, the inflating valve 3 is plugged in from the notch 42, the notch is limited, after the balloon tire 1 is inflated and expanded, the wall of the groove is tightly attached to the inflating valve, the stability and the firmness are improved, glue can be squeezed into the inflating valve after the inflating valve is placed, or the glue is plugged in after being pre-coated, the glue is MX-1422-20 type of taitaitai chemistry, and of course, other glues can be selected according to the material. In addition, the periphery of the notch 42 of the mounting groove 4 can be molded into a ring groove 43 matched with the sealing element, the sealing element 32 is a sealing ring, after the valve is mounted, the sealing element is arranged in the ring groove, the sealing property is improved, and glue can be coated on the sealing element to improve the firmness. For the installation position of the valve, it is of course possible to form an installation groove on the sidewall 11 of the balloon tire and the inner circumferential surface 10 of the balloon tire as a common beach wheel to fix the valve, as shown in fig. 1.

Of course, patterns shown in fig. 1 can be formed on the outer annular tread of the balloon tire, each group of patterns is composed of 2 symmetrical protrusions, the protrusions are shown in fig. 1, and one side of a rectangular body is provided with a groove.

As shown in fig. 5, the balloon tire 1 is sleeved on a deep groove rim 5, a forming hole 52 is formed on a first flange 51 at the end part of the rim 5 to extend out of an air supply valve nozzle 3, the inner opening wall of the balloon tire can be selected, namely, a tire opening sealing part is in a multi-edge shape, such as a six-edge shape, the corresponding groove bottom wall of the rim is also in a six-edge shape, and flanges at two ends are in ring shapes.

The air valve is directly glued and fixed at the toe opening or the tire side of the balloon tire, the structure saves a sealing butt joint structure of a conventional air valve gasket, a nut and the like, the sealing performance is greatly improved, and the processing difficulty is reduced.

Example 2

As shown in fig. 5 and 6, the present wheel assembly includes the tire structure of embodiment 1 and a hub assembly, the hub assembly includes a wheel disc 6, a rim 5, and spokes, and as shown in fig. 6 and 10, a hole 52 for extending an air valve is formed at a first rim 51 at one end of the rim 5. The rim body 50 and the second 54 of the rim 5 at the other end are of a split structure, the second 54 of the rim is integrally formed with the wheel disc 6 and the spoke, as shown in fig. 7 and 9, a spoke plate 7 is arranged between the inner annular edge of the second 54 of the rim and the wheel disc 6 at the center of the ring, the spoke plate 7 is provided with outward convex formed spokes 8, the spokes are uniformly distributed around the center of the wheel disc at intervals, one end of each spoke 8 is connected with the periphery of the wheel disc 6 in an abutting mode, and the other end of each spoke is connected with the outer annular edge of the second 54 of the rim. A convex column is formed on the radial plate 7 in an outward protruding mode, a hole formed in the axial direction of the convex column is a fastening hole I71, as shown in fig. 8, a connecting plate 9 is integrally formed in the opening of the rim 5, a central forming shaft hole 91 of the connecting plate 9 is formed, fastening holes II 92 are formed at intervals around the center of the shaft hole, the structure with holes formed in the axial direction of the convex column is also adopted, and when the wheel disc is in butt joint with the connecting plate 9 in the opening of the rim body, the butt joint can be completed by screwing the bolt into the fastening hole II from the fastening hole I. In order to improve the structural stability, the convex edge 72 can be formed on a connecting line of the circle center of the fastening hole I and the center of the wheel disc in a protruding mode, and the convex edge can be formed on a connecting line of the fastening hole II and the center of the shaft hole in a protruding mode. In addition, grooves may be formed in the spokes as shown in FIG. 7 to improve structural strength.

Of course, the spoke can also be only a spoke plate type or a spoke type, and the fastening hole is directly formed in the spoke plate or the spoke type.

In this embodiment, the abutting structure of the second wheel rim 54 and the end of the wheel rim 5 is in a sleeved type, and at the joint of the second wheel rim 54 and the wheel disk 7, that is, the inner ring edge, the first annular flange 55 is formed in an axially outward protruding manner and is directly sleeved on the end of the wheel rim body 50 by the flange. In addition, the grooves 53 may be formed in the well bottom wall of the rim 5 at regular intervals to improve structural strength, and the grooves may be formed in the shape as shown in fig. 8, with the groove notches being tapered in the well bottom wall near the first flange and varying in size, and the groove notches being rectangular in the well bottom wall near the second flange and having the same size, or may be formed in the outer periphery of the first flange as shown in fig. 9.

During assembly, the first fastening hole on the web plate corresponds to the second fastening hole on the connecting plate, the convex ring is sleeved at the end part of the rim, the bolts are fastened, then the inflating valve is glued and fixed at the mounting groove of the balloon tire, the balloon tire is sleeved on the rim, and the inflating valve extends out of one hole of the rim.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a tire structure of leak protection gas, includes balloon tire, inflating valve, its characterized in that, the side wall of balloon tire, toe mouth department or the notch that the inner ring tread set up mounting groove and mounting groove are the throat formula, the mounting groove with the intracavity intercommunication of balloon tire, inflating valve body tail end sets up in the mounting groove and with glue solution fixed as an organic whole.

2. An anti-leakage tire structure as claimed in claim 1, wherein: the notch of mounting groove is the throat formula, and the groove cavity of mounting groove is unanimous with inflating valve body tail end shape.

3. An anti-leakage tire structure as claimed in claim 2, wherein: the tail end of the inflating valve body is hemispherical, and a forming groove cavity at the tire side or toe opening of the balloon tire is a hemispherical mounting groove.

4. An anti-leakage tire structure as claimed in claim 1, wherein: and a through hole is formed in the center of the bottom wall of the mounting groove so as to be communicated with the tire cavity of the balloon.

5. An anti-leakage tire structure as claimed in claim 1, wherein: the balloon tire is a tubeless pneumatic tire formed by PU, TPU or PVC.

6. A wheel assembly comprising a tire structure as claimed in any one of claims 1 to 5 and a hub assembly comprising a wheel disc, a rim, a spoke, wherein: the wheel rim is characterized in that a split structure is arranged between the wheel rim at one end of the wheel rim and the wheel rim body, the wheel rim is fixed with the wheel disc and the wheel spoke into a whole, a connecting plate is arranged in a rim opening of the wheel rim body, and a shaft hole is formed in the center of the connecting plate and the connecting plate is fixed with the wheel spoke.

7. The wheel assembly of claim 6, wherein: and a first annular flange is axially and outwards formed in the surface of the flange, which is butted with the end part of the rim body, and the flange is sleeved on the end part of the rim body.

8. The wheel assembly of claim 6, wherein: the two ends of the rim are respectively provided with a first wheel rim and a second wheel rim, a hole for extending the inflating valve is formed in the first wheel rim at one end of the rim, a split structure is formed between the second wheel rim and the rim body, and the second wheel rim, the wheel disc and the spoke are fixed into a whole; the spoke comprises a spoke plate and spokes, the periphery of the wheel disc is connected with the second rim through the spoke plate, the spokes surround the wheel disc to form convex-outward forming spokes at intervals, fastening holes I are formed on the spokes surround the wheel disc at intervals, and fastening holes II are formed in the corresponding positions on the connecting plate.

9. The wheel assembly of claim 6, wherein: grooves are formed in the bottom wall of the groove of the rim at intervals.