CN201095286Y

CN201095286Y - Open tyre for bicycle

Info

Publication number: CN201095286Y
Application number: CNU2007200436247U
Authority: CN
Inventors: 曹正祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-12
Filing date: 2007-10-12
Publication date: 2008-08-06
Anticipated expiration: 2017-10-12

Abstract

The utility model relates to an opening type inner tube for the bicycle, which belongs to the tyre technology field. The opening type inner tube comprises a rubber tyre body provided with a first end part and a second end part formed, and a filling valve arranged on the tyre body and used for drawing in air to the tyre body, the filling valve is positioned at one end of the tyre body on which a second end part is formed, a first non-capsule sealing piece and a second non-capsule sealing piece used for sealing the cavity of the tyre body and also used for enhancing the intensity of the first end part and the second part, wherein, a connecting hole used for being sleeved on the filling valve to ensure both ends of the tyre body to form the crevice free connection. The opening type inner tube has the advantages that the clearance between two end points of the tyre body is eliminated, to ensure the rider to feel comfortable; the end point connection is reliable, and not influenced by whether the air in the tyre body is enough or not; the structure is simple, and the opening type inner tube can be processed, and the forming is convenient; the intensity of the first end part and the second part is ideal.

Description

Open type inner tyre for bicycle

Technical field

The utility model belongs to the tire for vehicles technical field, is specifically related to a kind of open type inner tyre for bicycle.

Background technology

So-called open type inner tyre has been the end points inner tube of a tyre from its literal meaning, that is to say the inner tube of a tyre with two end points.Particularly is no lack of the open type inner tyre for bicycle of being seen in the Chinese patent literature at document, for example: CN87208577U, CN2499255Y, CN20095700Y or the like.The common ground of the structure that above-mentioned patent is recommended is the position, center that the tire tube valve (also claiming charging connector or valve) that will be used for bleed in tire is arranged on the whole piece inner tube of a tyre.The advantage of this inner tube of a tyre is: need not front fork or the back vent and the associated components thereof of demolition, installation bicycle when changing the inner tube of a tyre, can embody and change convenient and swift, the time saving and energy saving technique effect of tire.But the open type inner tyre of said structure has the deficiency of general character, is embodied in: owing to have a pair of end points, and have the gap between the end points, and in the process of driving, can feel significantly not steady; The intensity at a pair of end points position is often fragile relatively, when in the tire during sufficient gas (being generally 0.3-0.45MPa), has the anxiety of blowing out, and when in the tire during deficency, just can produce the gauffer phenomenon and undermines carcass.

Perhaps be based on above-mentioned shortcoming, but the open type inflatable inner tube that Chinese patent CN2472995Y is recommended is provided with interfacing part at a pair of end points position of carcass, interfacing part is preferably selected with nylon and is taken loop or double buckle.This structure does not break away from location positioning with tire tube valve in the thinking at the position, center of the whole piece inner tube of a tyre yet, its interfacing part of setting up in a pair of end points place only can play the pro forma effect that remedies the end points gap, and in actual use, the gap between the end points still can show.Have again, setting up the different nylon of material on the carcass of rubber mass, to take the technical risk of loop or double buckle bigger, especially the joining effect of velcro or title joining power can not change along with the variation of tire internal gas pressure, for example when in the carcass during sufficient air, easily cause velcro and stretch tight and take off, otherwise, when in the tire during deficency, being in stretches tight takes off the hasp of state and can occur carcass is conflicted owing to can't detain automatically again, and then undermines carcass, and double buckle also has the situation in this time.Therefore, this patent not only can not be eradicated the shortcoming that aforementioned patent is deposited, but also has exposed the atypical problem of commenting as the applicant.

Summary of the invention

Task of the present utility model be to provide a kind of can eliminate the gap between a pair of end points effectively and use satisfy rider's comfort requirement, a pair of end points links open type inner tyre for bicycle rational, simple in structure.

Task of the present utility model is finished like this, a kind of open type inner tyre for bicycle, it comprises and is formed with first, the carcass of the rubber mass of the second end and the tire tube valve that is used in carcass, introducing air that is located on the carcass, the position of described tire tube valve is in an end of the carcass that constitutes the second end, described first, extending the cavity that is useful on carcass on the second end respectively seals and is used to strengthen first, first of the second end intensity, the second no capsule sealing sheet, wherein, on the first no capsule sealing sheet, offer to be used to overlap and be set on the tire tube valve and use the two ends that make carcass and constitute the connecting pore that zero-clearance connects.

In a specific embodiment of the present utility model, the width of described first, second no capsule sealing sheet and thickness are to equate with the width and the thickness of carcass under no gaseity, and the length of first, second no capsule sealing sheet is 1.5-3.5cm.

In another specific embodiment of the present utility model, extended one on the described first no capsule sealing sheet and connect loop, described connecting pore is opened in and connects on the loop.

In another specific embodiment of the present utility model, the shape of described connection loop is ear-lobe shape.

In another specific embodiment of the present utility model, the position of described connecting pore and tire tube valve corresponds to each other.

Go back in the specific embodiment of the present utility model, described corresponding to each other is meant that connecting pore and tire tube valve are on the same straight line.

More of the present utility model and in specific embodiment, the material of described first, second no capsule sealing sheet is a rubber.

In of the present utility model and then specific embodiment, the front end of described first, second no capsule sealing sheet respectively is formed with a pair of first, second chamfering.

The advantage of the technical scheme that the utility model is recommended: owing to extending first, second no capsule sealing sheet on first, second end of carcass respectively and on the first no capsule sealing sheet, offering connecting pore, and a end to carcass is moved in the position of tire tube valve, for connecting pore and its connection, therefore eliminated the gap between the carcass two-end-point, it is comfortable that the rider is driven; End points connects reliable and influence that whether air abundance in the conception failture body is; Simple in structure, can shape conveniently; The intensity ideal of first, second end.

Description of drawings

Fig. 1 is the first example structure figure of the present utility model.

Fig. 2 is the second example structure figure of the present utility model.

Fig. 3 is the running condition figure of the utility model open type inner tyre for bicycle.

The specific embodiment

For make your inspector especially the public can further understand architectural feature of the present utility model and beneficial effect, the spy reaches embodiment in conjunction with the accompanying drawings the specific embodiment of the present utility model is described in detail as follows:

Embodiment 1:

See also Fig. 1 and Fig. 3, having provided material is the carcass 1 of rubber, for the specification of carcass 1 can be any one specification in the being seen bicycle tube of existing market, as 22 o'clock, 24 o'clock, 26 o'clock, 28 o'clock or the like, present embodiment was an example with 26 o'clock, was meant after the size of removing first, second no

capsule sealing sheet

3,4 actual size by carcass 1 formed annular arrangement at so-called 26 o'clock.Material is first, second end 11,12 that first, second no

capsule sealing sheet

3,4 of rubber is arranged on carcass 1 respectively, and the no capsule of being said here is meant solid, does not have the gas storage function.The width of first, second no

capsule sealing sheet

3,4 and thickness equate with the width and the thickness (upper and lower two-layer) of carcass 1 under the unaerated state respectively, and the length of first, second no

capsule sealing sheet

3,4 is 1.5-3.5cm, be 1.8-3cm preferably, be preferably 2cm, present embodiment is selected 2cm.Because, if the length of first, second no

capsule sealing sheet

3,4 is too little, then be unfavorable for ensureing the intensity of first, second end 11,12, and too big, can cause lap to increase, and cause waste of material.When processing carcass 1, first, second no

capsule sealing sheet

3,4 both can be shaped thereupon, first, second can not had on

capsule sealing sheet

3,4 usefulness splicers are routed to carcass 1 under heated condition first, second end 11,12 yet, specifically decide according to the status of equipment of reality, and the front end that makes first, second no

capsule sealing sheet

3,4 constitutes a pair of first, second chamfering 33,41 respectively, should be essentially arc surface to first, second chamfering 33,41, can play the effect disturbed mutually with cycle casing avoided.With regard to present embodiment, connecting pore 31 is arranged on the first no capsule sealing sheet 3, according in this reason, be used for introducing 2 other ends that are arranged in carcass 1 of tire tube valve of air in the carcass 1, promptly be arranged in an end of carcass 1, and tire tube valve 2 remains on the same straight line with connecting pore 31 with second no capsule sealing sheet 4.By shown in Figure 3, after connecting pore 31 is nested with on the tire tube valve 2, zone from the second no capsule sealing sheet 4 to tire tube valve 2 just has been in overlapping or has weighed and close state, more particularly, the first no capsule sealing sheet 3 overlaps with the carcass 1 with second no capsule sealing sheet 4, simultaneously, the second no capsule sealing sheet 4 overlaps with the carcass 1 with first no capsule sealing sheet 3, so carcass 1 openings at two ends is just hidden by no unoccupied place.Be after being full of air in the air bag 13 in carcass 1; because there is not the tangible gap (breach) resemble the prior art in the two ends of carcass 1; therefore, can not bring not steady sensation to the rider, and also very useful to the protection of first, second end 11,12.

According to general knowledge; the position of tire tube valve 2 can be changed an end that is set to the carcass 1 that constitutes first end 11 fully; and the position of connecting pore 31 is transposed on the second no capsule sealing sheet 4; therefore; if only equivalent transformation is made in the position of connecting pore 31, tire tube valve 2, will be understood that so not break away from protection domain of the present utility model.

Embodiment 2:

See also Fig. 2, the specification of carcass 1 is 24 o'clock, extends the connection loop 32 (also can claim connect button loop) of ear-lobe shape on the first no capsule sealing sheet 3, and to connecting on the loop 32, all the other are all with the description to embodiment 1 with the position arrangement of connecting pore 31.

Carcass former of the foregoing description and technology can be utilized the conventional equipment and the common process of rubber production industry fully, especially for tire production manufacturer, can not have any difficulty on the technical application.

Claims

1, a kind of open type inner tyre for bicycle, it comprises and is formed with first, the second end (11, the carcass of rubber mass 12) (1) and be located at the tire tube valve (2) that is used in carcass (1) introducing air on the carcass (1), it is characterized in that the position of described tire tube valve (2) is in an end of the carcass (1) that constitutes the second end (12), described first, the second end (11,12) extending the cavity that is useful on carcass (1) on respectively seals and is used to strengthen first, the second end (11,12) first of intensity, the second no capsule sealing sheet (3,4), wherein, on the first no capsule sealing sheet (3), offer and be used for cover and be set to tire tube valve (2) and go up and use the two ends that make carcass (1) and constitute the connecting pore (31) that zero-clearance connects.

2, open type inner tyre for bicycle according to claim 1, the width and the thickness that it is characterized in that described first, second no capsule sealing sheet (3,4) are to equate with the width and the thickness of carcass (1) under no gaseity, and the length of first, second no capsule sealing sheet (3,4) is 1.5-3.5cm.

3, open type inner tyre for bicycle according to claim 1 is characterized in that having extended on the described first no capsule sealing sheet (3) one and connects loop (32), and described connecting pore (31) is opened in and connects on the loop (32).

4, open type inner tyre for bicycle according to claim 3 is characterized in that the shape of described connection loop (32) is ear-lobe shape.

5, open type inner tyre for bicycle according to claim 1 is characterized in that the described connecting pore (31) and the position of tire tube valve (2) correspond to each other.

6, open type inner tyre for bicycle according to claim 5 is characterized in that described corresponding to each other is meant that connecting pore (31) and tire tube valve (2) are on the same straight line.

7, open type inner tyre for bicycle according to claim 1 and 2 is characterized in that the material of described first, second no capsule sealing sheet (3,4) is a rubber.

8, open type inner tyre for bicycle according to claim 7 is characterized in that the front end of described first, second no capsule sealing sheet (3,4) respectively is formed with a pair of first, second chamfering (33,41).