CN201065052Y

CN201065052Y - Modified double tyre pressure wheel set structure

Info

Publication number: CN201065052Y
Application number: CNU2007201540479U
Authority: CN
Inventors: 陈俊峰
Original assignee: CANLIAN INTERNATIONAL TRADE Co Ltd
Current assignee: Shieny International Co.,Ltd.
Priority date: 2007-06-04
Filing date: 2007-06-04
Publication date: 2008-05-28
Anticipated expiration: 2017-06-04

Abstract

The utility model relates to a structural improvement of double-tire pressure wheel group, in particular to a tubeless tire for bicycle, which mainly comprises a tire body, two opening ends of the tire body respectively form a tire tongue, the outer side of the tire tongue is provided with an arc-shaped bonding part that is matched with lugs arranged symmetrically at opening end of the wheel. The utility model is characterized in that: a press tire that is sleeved at the groove of the outer flange of the wheel is additionally arranged at two opening ends of two sides in the tire body, so that the press tire is not bonded with the inner wall of the tire body completely when charged and then expanded, only the inner sides of two tire tongues of two opening ends of the tire body are respectively pressed tightly and also the arc-shaped bonding part of the outer side of the tire tongue and the lugs arranged symmetrically at the opening end of the wheel are pressed tightly, in the case that the inner side of the tire tongue of the opening end of the tire is pressed effectively and bonded tightly with the lugs at two sides of the wheel, slide movement or loosening are prevented when the tire is running, simultaneously sealing effect can also be reached.

Description

A kind of twins press nips structure-improved

Technical field

The utility model relates to a kind of twins press nips structure-improved, be relevant with the tubeless tires that generally is used in bicycle, also know clearly it, promptly be lug that circular arc sticking part and wheel rim open end be the symmetry shape setting and do effectively compacting and be close to, reach the airtight structure utility model that generation slippage or the purpose that gets loose are done when preventing tire running at the tire lip outside that how to make tubeless tires.

Background technology

By with the Regular Bicycle tubeless tires, please cooperate and consult Fig. 1, shown in Figure 2, it mainly comprises a

tire body

2, and 2 liang of open ends of described tire body are formed with a tire lip 21 respectively, and described tire lip 21 outsides are provided with and are round

The sticking part 211 of arc, the lug 31 that is the symmetry shape setting with wheel rim 3 open ends cooperates, pressure when the generation of tire body 2 inner inflatable, whole tire body 2 is outwards supported from inside, and tire lip 21 inboards that 2 liang of open ends of tire body form are respectively outwards oppressed, the sticking part 211 that makes its outside be circular arc is symmetrically arranged lug 31 with wheel rim 3 open ends to be done the compacting applying and forms an airtight space, reaches the purpose that produces slippage or get loose when preventing tire running.

Above-mentioned existing tubeless tires, though it can be by filling the pressure that air produced in the wheel body body 2, and the tire pressure that utilizes described pressure to form outwards supports tire body 2 from inside, tire lip 21 inboards that 2 liang of open ends of tire body form are respectively outwards oppressed, the sticking part 211 that makes its outside be circular arc is symmetrically arranged lug 31 with wheel rim 3 open ends to be done the compacting applying and forms an airtight space, reaches to produce the slippage or the purpose that gets loose when preventing tire running;

Also be, when if the more air of filling makes its tire pressure higher in tire body 2, when outwards oppress its tire lip that though 2 liang of open ends of tire body can be formed respectively 21 inboards, the sticking part 211 that is circular arc outside it can be come that with big pressure wheel rim 3 open ends are symmetrically arranged lug 31 and do the compacting applying and form a preferable airtight effect, so, will be too high because of its tire pressure, and make tire in the process of moving, cause the sense of discomfort of beating when causing driving easily, even the facts of falling easily takes place; Anti-, if filling less air, it in tire body 2, cause its tire pressure lower even when not enough, 211 pairs of wheel rim 3 open ends of sticking part that make its outside be circular arc by tire pressure tire lip 21 desires that 2 liang of open ends of tire body take place are symmetrically arranged lug 31 when doing compacting and fitting, the airtight applying of one actv. can't be provided and lose heart, cause tire easily take place slippage its to the facts that gets loose have to be overcome with improve.

Summary of the invention

The purpose of this utility model is, a kind of twins press nips structure-improved is provided, at the aforementioned structure shortcoming desirable not to the utmost locating improved again.

For achieving the above object, the technical solution adopted in the utility model is, a kind of twins press nips structure-improved is provided, it mainly comprises a tire body, described tire body two open ends are formed with a tire lip respectively, the described tire lip outside is provided with the sticking part that is circular arc, the lug that is the symmetry shape setting with the wheel rim open end cooperates, place, open end, both sides, position in tire body, set up the compacting tire of a ring set on wheel rim outer rim groove, the compacting tire is stretched when rising in inflation not to be close to the tire body internal chamber wall comprehensively, but only two tire lip inboards of open end, tire body position are done to be close to compacting respectively, relatedly the tire lip outside is the sticking part of circular arc does compacting with the lug that the wheel rim open end is the symmetry shape setting and be close to, make the tire lip inboard of tire open end be fitted tightly with wheel rim both sides lug effectively suppressing.

Advantage of the present utility model is, produces the slippage or the purpose that gets loose when preventing tire running, also can reach preferable airtight effect simultaneously.

Description of drawings

Fig. 1 is the combination generalized section of existing structure;

Fig. 2 is the solid combination section diagram of work of existing structure;

Fig. 3 is a structural upright decomposing schematic representation of the present utility model;

Fig. 4 is a structural upright combination schematic appearance of the present utility model;

Fig. 5 is a structural upright combination generalized section of the present utility model;

Fig. 6 is an apparent direction before the utility model structure partial combination generalized section;

Fig. 7 is another enforcement perspective exploded view of structure of the present utility model;

Fig. 8 is the three-dimensional combination of another enforcement of a structure of the present utility model section schematic appearance;

Fig. 9 is the three-dimensional combination of another enforcement of a utility model structure generalized section.

Description of reference numerals: 2-tire body; 21-tire lip; The 21-sticking part; The 3-wheel rim; The 31-lug; The 4-tire body; 41-tire lip; The 411-sticking part; The 42-outer rim; The 43-inner edge; The 5-wheel rim; The 51-lug; The 52-groove; 6-suppresses tire; The 61-fibrage; The 62-inner edge; The 63-gas filled device; The 64-outer rim; The 65-gas filled device; The 651-induction opening; 66-encircles edge; 7-ball pin.

The specific embodiment

Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.

See also Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the twins press nips structure-improved of this creation, it mainly comprises a

tire body

4,4 liang of open ends of described tire body are formed with a tire lip 41 respectively, described tire lip 41 outsides are provided with the sticking part 411 that is circular arc, the lug 51 that is the symmetry shape setting with wheel rim 5 open ends cooperates, and the most main being characterised in that of this case: place, open end, both sides, position in tire body 4, set up its inside and be added with fibrage 61, make its bulk deformation amount can be unlikely too big, but and ring set at wheel

Enclose the compacting tire 6 on the 5 outer rim grooves 52, then be provided with on the edge 62 within compacting tire 6 wheel rims 5 to its do the inflation operation gas filled device 63, with one penetrate inner and its outer rim 64 that arrives of compacting tire 6, and then can be to put on the air another gas filled device 65 of operation of tire body 4 inside.

Form by said structure, just can put on the air to a suitable tire pressure state to the compacting tire 6 of ring set on wheel rim 5 outer rim grooves 52 in advance, compacting tire 6 is stretched when rising in inflation not to be close to down with tire body 4 internal chamber walls comprehensively, and make it two tire lips, 41 inboards 412 of 4 open ends of tire body be done to be close to compacting respectively by two outer ring edge 66, the related sticking part 411 that tire lip 41 outsides is circular arc is close to the lug 51 do compactings that wheel rim 5 open ends are the symmetry shape setting, make tire lip 41 inboards of tire open end be fitted tightly down with wheel rim both sides lug effectively suppressing, and then when inner and 65 pairs of tire body 4 inside of another gas filled device of its outer rim 64 that arrives of the compacting of self-gating again tire 6 put on the air operation, make tire body 5 inside can in response to the rider need and be filled to the amount of air of suitable tire pressure, there be not the disappearance that existing tubeless tires must be filled to inside high tire pressure, can effectively be suppressed with wheel rim 5 both sides lugs 51 in maintenance because of tire lip 41 inboards of tire open end and be fitted tightly down, reach the generation slippage or the purpose that gets loose in the time of effectively to prevent tire running, also can reach preferable airtight effect simultaneously; Even, when tire body 4 outer rims 42 of the present utility model are pierced through by sharp object accidentally, when tire body 4 inner airs leak to a certain degree, the compacting tire 6 that is certain high pressure conditions can keep filling at interval provides a liner between tire body 4 and ground and steel ring 5, can actv. avoid steel ring 5 to cause phenomenon generations such as overturnings because of kiss the earth deformation in compression or vehicle lack of equilibrium, and compacting tire 6 also can provide temporary transient driveability, bicycle is ridden to suitable place repairing effect.

In addition, please consult Fig. 7 again, Fig. 8, shown in Figure 9: as also another gas filled device 65 of operation that tire body 4 inside are put on the air can be located within the tire body 4 on the edge 43, and described gas filled device 65 set induction openings 651 with non-return valve are communicated with tire body 4 outer rims 42, and directly come tire body 4 is put on the air with similar ball pin 7 to inflation usefulness such as basketball or vollyballs from tire body 4 outer rims 42, and make tire body 5 inside can need be filled to the amount of air of suitable tire pressure equally in response to the rider, and must its inside must be filled under the high tire pressure state as existing tubeless tires, can keep effectively being suppressed with wheel rim 5 both sides lugs 51 at any time because of tire lip 41 inboards of tire open end and fit tightly down, reach the generation slippage or the purpose that gets loose when effectively preventing tire running, also can reach preferable airtight effect simultaneously.

More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.

Claims

1. twins press nips structure-improved, it comprises a tire body, described tire body two open ends are formed with a tire lip respectively, the described tire lip outside is provided with the sticking part that is circular arc, it cooperates with the lug that the wheel rim open end is the symmetry shape setting, it is characterized in that: open end, both sides, position in tire body, set up the compacting tire of a ring set on wheel rim outer rim groove, and make the compacting tire stretch when rising in inflation and be not close to the tire body internal chamber wall comprehensively, but the two tire lip inboards that only tire body are positioned at the open end do to be close to compacting respectively.

2. twins press nips structure-improved according to claim 1 is characterized in that: fibrage is added in the inside of described compacting tire.

3. twins press nips structure-improved according to claim 1 is characterized in that: the inner edge of described compacting position of foetus wheel rim is provided with the gas filled device of it being done the inflation operation.

4. twins press nips structure-improved according to claim 1 is characterized in that: also comprise, the put on the air gas filled device of operation of tire body inside is located at that to penetrate the compacting tire inner and arrive and suppress tire outer rim place.

5. twins press nips structure-improved according to claim 1, it is characterized in that: also comprise, put on the air another gas filled device of operation of tire body inside is located on the inner edge of tire body, and the set induction opening with non-return valve of described gas filled device is communicated with the tire body outer rim.