CN1137444A

CN1137444A - Tyre type wheel

Info

Publication number: CN1137444A
Application number: CN 96100852
Authority: CN
Inventors: 山际登志夫
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 1995-06-02
Filing date: 1996-01-10
Publication date: 1996-12-11
Anticipated expiration: 2016-01-10
Also published as: JP3497280B2; CN1083762C; JPH08323874A

Abstract

A space between the air passage 10 of an air valve 7 attached to a rim 1 and an air chamber 6 in a tire 4 is partitioned by an air-permeable liquidproof member and when liquid sealing agent 14 is poured into the tire 4, the invasion of the sealing agent 14 into the air valve can be prevented by the air permeable liquidproof member. To prevent the generation of clogging of an air valve due to the invasion of sealing agent into the valve when the liquid sealing agent is poured into a tire to effect emergent repair of the nail wound of the tire.

Description

Tyre type wheel

The invention relates to tyre type wheel, the air valve of adjusting the tire air chamber inner air pressure is installed on the outer ring of dress tire.

In general, wheel is divided into inner tube of a tyre formula tyre type wheel that the inner tube of a tyre is housed and haply not with the without inner tube type wheel of the inner tube of a tyre, but, no matter will prevent energetically all that in which kind of wheel nail etc. from wearing out that tire or the inner tube of a tyre cause air to leak and mix is purpose of the present invention, people know and repair the method that the liquid sealant of wearing out the position is injected tire emergent now.

After liquid sealant was injected into rubber tyre formula wheel, sometimes liquid sealant stopped up air valve.

The present invention forms by means of the problems referred to above, its objective is provides a kind of tyre type wheel, this wheel is exactly to be injected under the situation of tire in liquid sealant, will prevent that also the air valve that caused by sealant from stopping up, and purpose is to make air valve function normally always.

Realize above-mentioned purpose for sending out, the 1st of the present invention is characterised in that: make aeration prevent that the fluid seepage member is installed in the middle of the ventilation gas circuit and air chamber of air valve.

The 2nd of the present invention is characterised in that: except that above-mentioned feature, the liquid-filling valve that the liquid sealant at position injects in the rubber tyre is worn out in repairing be assemblied in the outer ring.

According to the 1st feature of the present invention, fluid sealant is being injected under the situation of rubber tyre, prevent from aeration to stop to live the sealing agent to infiltrate air valve under the effect of prevention kinetic energy of fluid seepage member; On the other hand, because aeration prevents the venting capability of fluid seepage member, make from the air of air valve and supply with or discharge to air chamber without barrier from air chamber.

According to the 2nd feature of the present invention,, can inject liquid sealant in the rubber tyre simply owing to used liquid-filling valve.

Description of drawings:

Fig. 1 is the side view about the tyre type wheel of an automatic double wheel vehicle use of implementing the 1st embodiment of the present invention

Fig. 2 is the expansion sectional drawing of the 2-2 cutting line of Fig. 1

Fig. 3 is the expansion sectional drawing of the 3-3 cutting line of Fig. 1

Fig. 4 is the skiagraph about the tubeless tyre formula wheel major part of implementing the 2nd embodiment of the present invention.

Fig. 5 is the skiagraph about the tubeless tyre formula wheel major part of implementing the 3rd embodiment of the present invention.

The explanation of symbol

The W tyre type wheel

The Wa tyre type wheel

The Wb tyre type wheel

1 outer ring

4 tires

6 air air chambers

7 air valves

8 liquid-filling valves

10 blowing air gas circuits

12 through holes

13 aerations prevent the fluid seepage member

14 liquid sealant

31 outer rings

33 tubeless tyres

34 air air chambers

36 air valves

42 blowing air gas circuits

(examples of implementation)

In bottom, according to drawing, just relevant enforcement illustrative example of the present invention is illustrated.

Enforcement shown at first from Fig. 1 to Fig. 3 the 1st embodiment of the present invention is illustrated, automatic double wheel vehicle with tyre type wheel W, equipment outer ring 1, be assemblied in the centre, outer ring wheel hub 2, connect many wire spokes 3 between outer ring 1 and the wheel hub 2, be assemblied in tire 4 in the outer ring 1, be assemblied in the inner tube of a tyre 5 in the tire 4.Because the air chamber 6 of colyliform is formed in the inner tubes of a tyre, so in air chamber, assembled air valve 7 and liquid-filling valve 8 respectively on relative two positions on the garden wall diameter line.

Just as shown in Figure 2, well-known non-return valve (not doing diagram) that can enforced opening is packed in the blowing air gas circuit 10 in the valve cylinder 9, be assembled into air valve 7, the ring flange 9a that forms at the inner face of valve cylinder 9 imbeds and is retained in the interior garden wall 5i of the inner tube of a tyre 5, valve cylinder 9 inserts in the installing hole 11 that can pass on the outer ring 1, utilizes a pair of nut that can tighten from the interior outside 19,20 to be fastened on the outer ring

In the interior garden wall 5i of the inner tube of a tyre 5, have the blowing air gas circuit 11 in the valve cylinder 9 is connected on the through hole 12 of air chamber 6, the aeration in abutting connection with this through hole 12 prevent fluid seepage member 13 imbed and be retained in aforementioned in the wall 5i of garden, because it is members made from high-density fabric that aeration prevents fluid seepage member 13, so this member allows air by going, but all stop the described liquid sealant 14 in back by going, the peripheral part of this member 15 is provided with a plurality of fixing holes

On the outer face of valve cylinder 9, the screw thread block 16 of cutting out blowing air gas circuit 10 is tightened.

As shown in Figure 3, if remove inner non-return valve valve opening than the valve opening of air valve 7 big beyond, liquid-filling valve 8 has identical structure with air valve 7, therefore, the ring flange 17a that valve cylinder 17 inner faces of liquid-filling valve 8 form also imbed and be retained in aforesaid in the wall 5i of garden, like this, in the pilot hole 25 that valve cylinder 17 inserts on the outer ring 1, use nut 23,24 are fastened on the outer ring 1, and the through hole 21 that stream 18 inner ends in the valve cylinder 17 pass aforementioned interior garden wall 5i leads in the air chamber 6 outer face of this stream 18, thereby use screw thread block 22 to be fastened on airtight live on the outer face of valve cylinder 17, the aeration of not packing in above-mentioned through hole 21 prevents fluid seepage spare 13.

Then, dismounting is the screw thread block 22 of liquid-filling valve 8 down, by liquid-filling valve 8, to an amount of liquid sealant 14 of air chamber 6 injections of the inner tube of a tyre 5.

Secondly, the just relevant effect of implementing embodiments of the invention is illustrated, if tyre type wheel W rotates, then liquid sealant 8 is under action of centrifugal force, as the A of Fig. 2, outer direction towards radial direction moves, cover the outer garden medial surface of the inner tube of a tyre 5, at this moment, the outer garden wall of the rubber tyre and the inner tube of a tyre 5 is if worn out by nail etc., and then sealant 14 will directly enter and wear out the position, has just carried out patch work, so the air that just can make air chamber 6 is worn out the speed that the position outwards spills and has been obtained delaying greatly from above-mentioned.

When wheel W was in halted state, according to the position that wheel stops, shown in the B of Fig. 2, liquid sealant 14 was stopped up the through hole 12 of the blowing air gas circuit 18 that firmly connects air valve 7 sometimes.But, in through hole 12, because aeration prevents the cause that fluid seepage member 13 is loaded into, so, under the function that prevents fluid seepage of this member 13, stop sealant 14 to infiltrate, thereby can eliminate the phenomenon generation of blocking air valve 7 because of sealant 14 to air valve 7.

During pressure in adjusting air chamber 6, at first turn round wheel and make the side direction position of air valve 7 towards wheel W.Do like this, the sealant 14 that then stops up through hole 12 flows to the below, prevents that by air valve 7 and aeration fluid seepage member 13 can be swimmingly to air chamber 6 air supplies or from air chamber discharge air owing to open through hole 12.

Fig. 4 shows to implement the 2nd embodiment of the present invention, be the version when applying the present invention to tubeless tire formula wheel Wa, that is to say that this wheel Wa has equipped outer ring 31, is welded on the tabular spoke 32 on the 31 garden side faces of outer ring, tubeless tyre 33, the tubeless tyre 33 that is assemblied on the outer ring 31 forms air chamber 34 between the side face of the outer garden of its garden side face and outer ring 31, on the direction of principal axis central part of outer ring 31 of packing into, pass installing hole 35, air valve 36 is assemblied on the through hole 35 in the mode that snaps in.

This air valve 36 is to be made of following part, promptly expand part 37 as the glue manufacturing by forming inside and outside each one of having of

annular groove

39,38 elasticity installation component 40, valve cylinder 41 of imbedding inner end portion in the member 40 and remaining and the blowing air gas circuit 42 interior well-known enforced opening formula non-return valves (not doing diagram) that are contained in this valve cylinder 41 are formed, expand

part

37,38 is bigger than the diameter of the installing hole 43 of rim 31, the part 37 of expanding of inner end is pressed in the installing hole 43, annular groove 39 is assemblied in the surrounding edge part of installing hole 43 airtightly, thereby installation component 40 is assemblied on the outer ring 31

On installation component 40, not the through hole 44 that is communicated with in the blowing air gas circuit 42 of valve cylinder 41 and the air chamber 34, the aeration of assembling prevents that fluid seepage member 13 is embedded in the installation component 40 and driving fit is lived on this through hole 44, it is identical that other part is implemented embodiments of the invention with front the 1st, annotates with identical symbol with the corresponding part that embodiments of the invention are implemented in the 1st in front at Tu Nei.

Then, liquid sealant is being injected in the tire 33, promptly during air chamber, 31 the installing hole 35 dismountings installation component 40 of air valve 36 down from the outer ring earlier, sealant on the notes this installing hole 35 in after having annotated, is assemblied in air valve 36 on the installing hole 35 more then.

In implementing embodiments of the invention, in wheel Wa rotating process, when the outer garden wall of rubber tyre 33 is penetrated, under the effect of sealant 14, also can promptly repair piercing site, in addition, when sealant 14 infiltrates through hole 44, prevent in aeration under the effect of fluid seepage member 13, also can stop sealant to infiltrate air valve 36, thereby the clogging that can prevent air valve 36 occurs, even thereby make Pressure gauge ingress of air valve 36, when measuring the pressure of air chamber 34, can not occur sealant yet and stop up manometric accident.

Fig. 5 implements the 3rd examples of implementation of the present invention, tubeless rubber tyre 33 and the outer ring 31 of wheel Wb is combined together and forms air chamber 34, assembled the liner 45 that rubber is made, end, liner 45 left and right sides is connected on the rubber tyre 33 shape pouch part 46 between the endosexine of the outer garden wall 33t of rubber tyre 33 and the liner 45.As this manufacture method, when tire 33 vulcanization formings, in the contact-making surface of contact bag shape part 46, talcum powder etc. is coated on the opposed faces of rubber tyre 33 and liner 45, at remainder, be with the bonding method of sulfuration between rubber tyre 33 and the liner 45, can raise the efficiency like this.After the sulfuration, from the residual air of bag shape part 46 sucking-offs, then aqueous sealant 14 is injected in the bag shape parts 46 with syringe etc.

It is identical that other part is implemented the 2nd illustrative example of the present invention with the front, in Fig. 5, gives identical symbol with the counterpart of the 2nd illustrative example.

If according to this embodiment, no matter wheel Wo rotates or stops, the pressure of air chamber 34 all can act on a bag shape part 46, under the pressure effect of air chamber 34, liquid sealant 14 has formed the uniform liquid layer of thickness on all top layers, the interior garden of the outer garden perisporium 33t of rubber tyre 33, because formed liquid layer can improve the repair efficiency of liquid sealant at the piercing site of rubber tyre 33, in addition, in this case, when nails etc. penetrate rubber tyre 33 and bag shape part 46, in although the sealant 14 in the bag shape part 46 bleeds air chamber 34 from the piercing site of liner 45, but, because aeration prevents the interception of fluid seepage member, but prevent sealing agent 14 to air valve 36 seepages.

The present invention is not limited to above-mentioned each embodiment, under the prerequisite that does not break away from main idea of the present invention, is to do all variations in design, and is for example identical with the 1st embodiment in the 2nd and the 3rd embodiment, liquid-filling valve 8 can be installed in the tire 31.

As implied above, if according to the 1st feature of the present invention, aeration is prevented that liquid from oozing Leak member and be installed between the blowing air gas circuit and air chamber of air valve, so, although rubber wheel Injected liquid sealant in the tire, also can prevent under the effect of liquid seepage member in aeration Stop to live sealant to air valve direction seepage, thereby can prevent the clogging of air valve Occur, when discharging air from air valve to the air chamber air supply or from air chamber, be not subjected to Aeration prevents the impact of fluid seepage member, but supplies with without barrier and discharge sky Gas.

In addition, if according to the 2nd feature of the present invention, in the outer ring, owing to disposed notes Liquid valve, this valve can be worn out repairing the liquid sealant at position and inject in the rubber tyre, because making With liquid-filling valve, can simply liquid sealant be injected in the rubber tyre.

Claims

1. tyre type wheel, tire (4,33) is assembled on the outer ring (1,31), and the air valve (7,36) that can adjust air chamber (6, the 34) air pressure in the tire (4,33) is installed in the tyre type wheel (4,33),

It is characterized in that aeration is prevented that the member of fluid seepage is installed between the blowing air gas circuit (10,42) and air chamber (6,34) of air valve (7,36).

2. the assembling parts of putting down in writing according to claim 1 is characterized in that, has assembled liquid-filling valve in outer ring (1), and this valve can be worn out repairing the liquid sealant of using at the position (14) and inject in the tire (4).