CN202641279U - Air valve adapter and bicycle with the air valve adapter - Google Patents
Air valve adapter and bicycle with the air valve adapter Download PDFInfo
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- CN202641279U CN202641279U CN 201220026491 CN201220026491U CN202641279U CN 202641279 U CN202641279 U CN 202641279U CN 201220026491 CN201220026491 CN 201220026491 CN 201220026491 U CN201220026491 U CN 201220026491U CN 202641279 U CN202641279 U CN 202641279U
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- 238000012856 packing Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
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- 239000013536 elastomeric material Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000012467 final product Substances 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
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- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000270722 Crocodylidae Species 0.000 description 1
- 208000004078 Snake Bites Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model provides an air valve adapter, which can be arranged on the valve stem with a notch arranged at a British tire valve or other valves, and can be connected to a normal air pressure caliber arranged on an American tire valve or other valves. The air valve adapter possesses the components as following: an internal part (31), which is arranged in the valve stem (2) and is provided with an air channel (31a); and an external part (33), possessing a valve inside (32) which is arranged at the open end at the side opposite to the tire and allows air to be injected into the tire by pushing the valve (32a) to the tire side, the peripheral surface of the internal part (31) is provided with a sealing part (31c) contacted to the inner circumferential surface of the valve stem (2) for preventing air from leakage to the exterior of the tire.
Description
Technical field
The utility model relates to the valve adapter of installing at the tire valve that is installed on the tires such as bicycle use.
Background technology
The tire of bicycle is built-in with the inner tube of a tyre that injects air.The tire valve that allows to inject to the inner tube of a tyre air that air and maintenance be injected into is installed in the tire that is built-in with like this inner tube of a tyre.This tire valve has three kinds at English valve, American valve and French valve.Particularly in Japan, the tire valve of bicycle major part is used English valve.And, the tire valve of the cart such as motor bike and automobile, what Japan used is American valve.
Such as Figure 15～shown in Figure 17, English tire valve 1 is by consisting of with inferior: the stem of valve 2 of general cylindrical shape, it is formed with external thread part 2a at outer peripheral face, also is formed with air flue 2d in inside, and is formed with grooving 2b in two places of the open end of a side opposite to tire; Plunger 4, it is inserted in the stem of valve 2 and small-sized rubber components (rubber tubing) 3 is installed; Be installed on the jacking nut (top nut) (so-called acorn nut) 5 of the end of stem of valve 2; Will be from the valve cap 6 of the outstanding partial coverage of the jacking nut 5 of stem of valve 2; Stem of valve 2 is fixed in the nut 8 of the wheel rim (not shown) of wheel.And, the 7th, be engaged in the rubber base of the inner tube of a tyre, replace this rubber base 7, the parts that are engaged in the inner tube of a tyre with pad are also arranged.In addition, 2c is the chamfered section that the part of the external thread part 2a of stem of valve 2 is removed planarly.And, below, will be called tyre side in the side that tire valve 1 and stem of valve 2, plunger 4 etc. are provided with rubber base 7, the side that valve cap 6 is installed is called anti-tyre side.
Plunger 4 be with stem of valve 2 concentrics and axis direction extend roughly bar-shaped, be formed with successively small diameter part 4a, the 4b of conical surface section, ladder slot part 4c, large diameter part 4d and external thread part 4e etc. at its outer peripheral face from tyre side.In addition, be formed with in the inside of plunger 4: extend near the air flue 4f the tyre side end along the axis direction of plunger 4 from anti-tyre side end; With the radial direction to plunger 4 extends from the tyre side end of air flue 4f, make air flue 4f be communicated with the intercommunicating pore 4g in the outside of plunger 4.At small diameter part 4a, the 4b of conical surface section and the ladder slot part 4c place of plunger 4, also comprise the place of intercommunicating pore 4g opening, small-sized rubber components 3 is installed, when air Injection beyond in intercommunicating pore 4g stopped up by small-sized rubber components 3, keep the air in the inner tube of a tyre.In addition, in position corresponding to the 4b of conical surface section stem of valve 2 and plunger 4, also be formed with along with the 2f of conical surface section that goes to anti-tyre side to enlarge gradually, the 4b of conical surface section of the 2f of conical surface section of this stem of valve 2 and plunger 4 is opposed with the state that clips small-sized rubber components 3.
And plunger 4 is formed with the projecting strip part 4h of the grooving 2b that is embedded into stem of valve 2.So, by jacking nut 5 being screwed into the external thread part 2a of stem of valve 2, plunger 4 is pressed to tyre side by projecting strip part 4h, and the small-sized rubber components 3 between the 2f of conical surface section, the 4b is compressed thus, so that air can not be from sealing between the 2f of conical surface section, the 4b and from the mode of grooving 2b gas leakage.
When injecting air to the tire that this English tire valve 1 is installed, be sticked under the state of tire valve 1 at the joint of the crocodile mouth shape of the connecting portion that will be arranged at pump, exert pressure to inject air from pump.Thus, by the pressure of the air that is injected into, the small-sized rubber components 3 radius vector directions outside air that is open is imported in the inner tube of a tyre of tire.
Relative therewith, such as Figure 18, shown in Figure 19, American tire valve 10 by the outer peripheral face at anti-tyre side open end be formed with external thread part 12a roughly stem of valve 12 cylindraceous, be equipped on the formations such as valve inside (boiler check valve) 13 in this stem of valve 12 and valve cap 14.In addition, arrange at valve inside 13: the core main body 13b that is formed with air flue 13a; The 13c of bar section, it sets as connecting this core main body 13b and can freely stretching out and is retracted into, and its front end is side-prominent to the leading section one in the stem of valve 12; Valve body 13d, it is fixed in the 13c of bar section and mobile integratedly with the 13c of bar section; With force application spring 13e, it closes direction (13c of bar section gets back to the direction of the anti-tire one side) application of force of air flue 13a at valve body 13d.
When injecting air to the tire that this American tire valve 10 is installed, be sticked in tire valve 10 by the joint 20 that makes the jut 21 with the connecting portion that is arranged at pump, the jut 21 butt bar 13c of section, valve body 13d leaves and is opened from core main body 13b, therefore enters air at this state from infusion.For American tire valve 10, also can install and measure the variometer of the interior pressure of tire, the joint of employing variometer also has the structure of jut in the same manner with pump.In addition, the pump with the variometer of the joint with identical structure also can be connected in American tire valve 10.
But, set tire (being the inner tube of a tyre of tire in detail) and be in motion only air pressure.In the situation that air pressure forces down than this only air, can increase surface resistance and need in motion larger power, perhaps can produce wheel rim with the thrust on the state butt ground that clips the inner tube of a tyre situation of easily blow out (the so-called pressure blown out (snakebite)).In addition, in the situation that air pressure is higher than optimum air pressure, can produces and be difficult to absorb from the vibration on ground and the situation of comfortable riding sense variation etc.Thereby bicycle is also identical with carts such as automobile or motor bikes, preferably tire is remained on the suitableeest air pressure.
The prior art document
Patent documentation 1: Japanese kokai publication hei 11-159647 communique
Summary of the invention
The problem that invention will solve
But, because English tire valve 1 is by the air pressure that improves from pump side is worked, small-sized rubber components 3 is open and so that the structure that communicates in pump side and the inner tube of a tyre, be installed on English tire valve 1 even therefore will be connected in the general variometer of American tire valve 10, small-sized rubber components 2 is also closed, and can not measure the air pressure of tire.Thereby general the existence can not be managed air pressure to the tire of bicycle that English tire valve 1 is installed, while or can not measure air pressure to the problem of tire injection air.
And, as the device that also can measure air pressure to English tire valve 1, disclose the tire valve that is used for bicycle that can be installed on English tire valve 1 in the patent documentation 1.But the structure of this bicycle tire valve is very complicated, and above-mentioned tire valve for bicycle is equipped with the structure of special-purpose variometer.Therefore, present situation is that the manufacturing cost of considering the variometer of bicycle tire valve and special use increases, and can not extensively popularize socially.
The utility model is the device that addresses the above problem, purpose provide a kind of can be installed on stem of valve with the grooving that is arranged on English tire valve etc., and can be connected and installed in the valve adapter of the general variometer of American tire valve etc.
The method of dealing with problems
In order to address the above problem, the utility model provides a kind of valve adapter, and it is installed on the stem of valve that is formed with grooving at anti-tyre side open end, and this valve adapter is characterised in that, comprise: internal part, it is equipped in the stem of valve and has air flue; And external component, it has the anti-tyre side open end that is installed on above-mentioned stem of valve, and allow by to tyre side pressure valve body and air is injected into the valve inside of inside tires, the inner peripheral surface that is provided with the above-mentioned stem of valve of contact at the outer peripheral face of above-mentioned internal part prevents the sealing that the air from inside tires leaks to the outside.
In this structure, when the joint of the variometer of normal operation and pump is connected in the valve adapter, the jut of the joint by being arranged on variometer and pump, the valve body that is arranged at valve inside is pressed towards tyre side and opens.Thus, can successfully measure the air pressure in the tire or enter air from infusion.In addition, in the situation of the joint that does not connect variometer and pump, the valve body of valve inside is closed, and is arranged at the inner peripheral surface of the sealing contact stem of valve of internal part, and the air that therefore can prevent inside tires leaks to the outside from the grooving that is arranged at stem of valve etc.
In addition, valve adapter of the present utility model is characterised in that: the interior perimembranous at above-mentioned stem of valve forms along with the conical surface section that goes to anti-tyre side to enlarge gradually, and the sealing of above-mentioned internal part is crimped into above-mentioned conical surface section.According to this structure, the sealing of internal part is crimped into the conical surface section of stem of valve, and the air that can prevent well inside tires leaks to the outside from grooving of being arranged at stem of valve etc.
In addition, valve adapter of the present utility model is characterised in that: at least a portion of the sealing of above-mentioned internal part is equipped on the more position of roller tire of the interior above-mentioned grooving of ratio of stem of valve.According to this structure, can prevent well that the air of inside tires from leaking to the outside from the grooving that is arranged at stem of valve.
And the integral body of the sealing of internal part also can be equipped on the more position of roller tire of the interior above-mentioned grooving of ratio of stem of valve.When adopting such structure, because the integral body of the sealing of internal part is the structure of externally not exposing by above-mentioned grooving, situation about therefore externally exposing by grooving with the sealing of internal part relatively, the deteriorated of sealing can be suppressed in irreducible minimum, and can keep well for a long time sealing effectiveness.
In addition, valve adapter of the present utility model is characterised in that, the said external parts are installed in the mode that the anti-tyre side open end from stem of valve extends to anti-tyre side, comprising: the external component main body with air flue; With the above-mentioned valve inside that is equipped in this external component main body, above-mentioned valve inside has above-mentioned valve body and the bar section from this valve body to anti-tire direction extension.According to this structure, can consist of the said external parts with fairly simple structure.
In addition, preferably form the internal thread part that the external thread part that forms with outer peripheral face in the anti-tyre side of above-mentioned stem of valve screws togather at the inner peripheral surface of the tyre side of said external parts.And then, also can form in the anti-tyre side end of above-mentioned internal part can with the large diameter part of the anti-tyre side open end butt of above-mentioned stem of valve.When adopting such structure, when the valve adapter is installed, be screwed together in the external thread part of above-mentioned stem of valve by the internal thread part that makes the said external parts on one side, be screwed into the said external parts until be formed at the large diameter part of above-mentioned internal part and the anti-tyre side open end butt of above-mentioned stem of valve on one side, above-mentioned sealing strongly can be pressed in the inner peripheral surface of above-mentioned stem of valve.Thereby, even in the situation that above-mentioned stem of valve is formed with grooving etc., above-mentioned stem of valve and above-mentioned internal part are sealed fully.In addition, when the said external parts are screwed into above-mentioned stem of valve, when being screwed into to a certain degree the said external parts, the anti-tyre side open end butt of the large diameter part of above-mentioned internal part and above-mentioned stem of valve, restriction further is screwed into the said external parts.Consequently, can prevent that the sealing of above-mentioned internal part and above-mentioned internal part from exceedingly being pressed by the said external parts, the sealing state of maintenance sealing that can be good.
In addition, can form hole section in the tyre side by above-mentioned external component, and set the packing seal (packing) of toroidal in the hole of said external parts section, perhaps also can form the large diameter part that will be formed at above-mentioned internal part and embed the hole section that is communicated with the air flue of said external parts.According to this structure, utilize the large diameter part of above-mentioned packing seal and above-mentioned internal part that said external parts and above-mentioned stem of valve are adjacent to.
In addition, valve adapter of the present utility model is characterised in that: the said external parts can be installed on the communication port of the pump that can install at American tire valve and the communication port of variometer.In addition, valve adapter of the present utility model is characterised in that: the said external parts can be installed on the communication port of the pump that can install at the tire valve of French and the communication port of variometer.
In addition, also can make the above-mentioned internal part of valve adapter of the present utility model and above-mentioned sealing integrally formed with elastic body.According to this structure, compare with the situation that consists of above-mentioned internal part and above-mentioned sealing with miscellaneous part, can reduce number of components.
In addition, the utility model provides a kind of bicycle, it is characterized in that: possess above-mentioned valve adapter.
The effect of invention
According to the utility model, in stem of valve, set the internal part with air flue, contact to prevent the sealing that the air from inside tires leaks to the outside with the inner peripheral surface of above-mentioned stem of valve in the outer peripheral face setting of above-mentioned internal part, the air that therefore can prevent inside tires leaks to the outside from the grooving that is arranged at stem of valve etc.In addition, have in the anti-tyre side open end setting of stem of valve and to allow that air is injected into the external component of the valve inside of inside tires by pressing valve body to tyre side, therefore the variometer of normal operation and the joint of pump can be connected in the valve adapter, can successfully measure the interior air pressure of tire or enter air from infusion.
In addition, the sealing of internal part is the structure that is crimped onto the conical surface section that the interior perimembranous at above-mentioned stem of valve forms, and the air that can prevent better thus inside tires leaks to the outside from the grooving that is arranged at stem of valve etc.
In addition, when the integral body of the sealing of internal part when being positioned at above-mentioned grooving than stem of valve more the mode of roller fetal position arrange, because the structure of integral body for externally not exposing by above-mentioned grooving of the sealing of internal part, therefore compare with the situation that the sealing of internal part externally exposes by grooving, the deteriorated irreducible minimum that is suppressed in of sealing can be kept sealing effectiveness for a long time well.
In addition, form the internal thread part that the external thread part that forms with outer peripheral face in the anti-tyre side of above-mentioned stem of valve screws togather at the inner peripheral surface of the tyre side of said external parts, and form in the anti-tyre side end of above-mentioned internal part can be with the large diameter part of the anti-tyre side open end butt of above-mentioned stem of valve the time, even in the situation that above-mentioned stem of valve is formed with grooving etc., above-mentioned stem of valve and above-mentioned internal part are sealed fully, improve reliability.In addition, according to this structure, can prevent that the sealing of above-mentioned internal part and above-mentioned internal part from being pressed by transition by the said external parts, and the sealing state of maintenance sealing that can be good, thereby also can improve reliability thus.
Description of drawings
Fig. 1 is the block diagram of the state of valve adapter that expression the will be referred to the utility model embodiment stem of valve that is installed on the tire that is installed in bicycle.
Fig. 2 is the exploded perspective view that expression is installed on the valve adapter state of stem of valve.
Fig. 3 is the decomposition section that expression is installed on the valve adapter state of stem of valve.
Fig. 4 is the section drawing that expression is installed on the valve adapter state of stem of valve.
Fig. 5 is the section drawing of the internal part of valve adapter.
Fig. 6 is the section drawing of the state of the flange shape section of particle size that expression is installed on the internal part of stem of valve and valve adapter with the valve adapter anti-tyre side open end that is connected to stem of valve.
Fig. 7 is the section drawing of the external component of valve adapter.
Fig. 8 is the section drawing that is connected with the state of joint at the valve adapter.
Fig. 9 relates to the section drawing of variation of internal part of the valve adapter of embodiment of the present utility model.
Figure 10 is the section drawing that valve adapter that expression will have an internal part is installed in the state of stem of valve.
Figure 11 relates to other the section drawing of variation of internal part of the valve adapter of embodiment of the present utility model.
Figure 12 is the section drawing that valve adapter that expression will have an internal part is installed in the state of stem of valve.
Figure 13 is the section drawing that valve adapter that expression will be referred to other embodiments of the present utility model is installed in the state of stem of valve.
Figure 14 is illustrated in the section drawing that the valve adapter is connected with the state of joint.
Figure 15 is the section drawing of English tire valve.
Figure 16 is the decomposition section of English tire valve.
Figure 17 is the exploded perspective view of English tire valve.
Figure 18 is the section drawing of American tire valve.
Figure 19 is illustrated in the section drawing that American tire valve is connected with the state of joint.
The specific embodiment
Below, the valve adapter for relating to embodiment of the present utility model describes with reference to accompanying drawing.And, the part identical with the inscape of the English tire valve 1 of prior art added identical symbol.
In Fig. 1, the 30th, the valve adapter, this valve adapter 30 is installed on stem of valve 2, and this stem of valve 2 is used for becoming to the tire valve 1 air Injection mouth, English of the tire 50 (in detail for being built in the inner tube of a tyre of tire 50) of bicycle etc. (Figure 15～Figure 17 with reference to).And 51 among Fig. 1 is wheel rims that tire 50 is installed.In addition, in this embodiment, in each inscape of stem of valve 2 and valve adapter 30, a side (downsides among Fig. 1, Fig. 4 etc.) that is provided with the rubber base 7 that engages with tire 50 is called tyre side, the side (upsides among Fig. 1, Fig. 4 etc.) that valve cap 34 is installed is called anti-tyre side, the direction at the center by stem of valve 2 cylindraceous and valve adapter 30 is called axis direction etc.
Shown in Fig. 2, Fig. 3 etc., stem of valve 2 is states of laying down plunger 4, jacking nut 5 and valve cap 6 rear retentions that small-sized rubber components 3 is installed from the English tire valve 1 of Figure 15～shown in Figure 17, is assembled with valve adapter 30 for remaining stem of valve 2.And as above-mentioned, stem of valve 2 is general cylindrical shape, is formed with external thread part 2a at outer peripheral face, is formed with in addition air flue 2d in inside, and is formed with grooving 2b in two places with the open end of tire opposition side.And the part of the external thread part 2a of stem of valve 2 is removed planarly and is formed chamfered section 2c, being formed with in interior week along with the 2f of conical surface section that goes to anti-tyre side to enlarge gradually of stem of valve 2.In addition, in Fig. 2, Fig. 3 etc. 7 are the rubber bases that engage with the inner tube of a tyre that is built in tire 50, replace this rubber base 7, and pad also can be set, and this pad engages with the inner tube of a tyre.
As shown in Figure 4, valve adapter 30 comprises: internal part 31, and it inserts the state in the stem of valve 2 with the anti-tyre side open end from stem of valve 2 and sets, and has air flue 31a; External component 33, it has from the anti-tyre side open end of stem of valve 2 and in the mode of extending to anti-tyre side installs, and allows by being arranged at inner valve body 32a so that air is injected into the valve inside 32 of the inside of tire 50 to the tyre side pushing; With the valve cap 34 that covers external component 33 etc.
As shown in Figure 5, internal part 31 comprises the internal part main body 31b with the air flue 31a that extends at axis direction and is installed in the sealing 31c of small diameter part of the tyre side of internal part main body 31b., in the state of sealing 31c in being equipped on stem of valve 2, contact with the 2f of conical surface section of the inner peripheral surface that is formed at stem of valve 2 herein, prevent that air from leaking to the outside from the inside of tire 50.In addition, in this embodiment, the part of sealing 31c is exposed to outer side from the grooving 2b of stem of valve 2, but the tyre side of sealing 31c partly sets to than the position of roller tire more of the grooving 2b in the stem of valve 2.In addition, in this embodiment, form as flange shape 31d of the particle size of large diameter part in the anti-tyre side end of internal part main body 31b.And, flange shape 31d of this particle size, as shown in Figure 6, can with the anti-tyre side open end butt of stem of valve 2.Herein, preferably consisted of by metals such as brass or aluminium such as internal part main body 31b.In addition, sealing 31c preferably is made of the elastic body that resin or rubber form.In the situation that consist of internal part main body 31b with aluminium, have advantages of light and be difficult to corrode.In addition, the elastomeric material that uses at sealing 31c has the elastic force of appropriateness to get final product.Particularly, by using nylon as the elastomeric material of sealing 31c, have inexpensive, have excellent moldability and the elastomeric advantage of appropriateness arranged.In addition, as sealing 31c, by using high styrene rubber, has advantages of the appropriate hardness of easy acquisition.
As shown in Figure 7, external component 33 comprises the external component main part 35 of general cylindrical shape shape; Be equipped on the valve inside 32 in the 35a of hole section that extends along the axis direction of this external component main part 35; Packing seal 36 with annular arrangement in the 35b of hole section on the roller sidewall that is equipped on external component main part 35.And the 35a of hole section of external component main part 35 has the function that air flue and valve inside set the space concurrently.And externally the inside of article body section 35 is formed with: the air flue 35c that forms in the mode that will be between the 35a of hole section, the 35b connects at axis direction; With the internal thread part 35d that extends from the 35b of hole section to tyre side and screw togather with the external thread part 2a of stem of valve 2.Externally the periphery of article body section 35 is formed with: the external thread part 35e that is covered by valve cap 34; With formed the concavo-convex handle part 35f that controls of being used in the mode that when external component 33 is installed on valve inside 32, is easy to be screwed into.
Valve inside 32 has: set as can freely stretching out the 32b of bar section that is retracted at axis direction; Be installed near the valve body 32a in tyre side end of the 32b of bar section; Outer frame 32c, its wall with the 35a of hole section contacts, and is formed with the seat portion 32f at tyre side and valve body 32a butt; To the force application spring 32d of valve body 32a to the anti-tyre side application of force; And the air flue 32e that between outer frame 32c and the 32b of bar section, forms etc.And, not being subjected under the state of external force at the 32b of bar section, valve body 32a closes, and keeps so that air does not circulate by valve inside 32.
In said structure, the tire valve of the carts such as motor bike and automobile uses American valve, when but the joint 20 that will be connected in variometer this American valve, general or pump is connected to valve adapter 30, as shown in Figure 8, the jut 21 of the joint 20 by being arranged at variometer or pump, the 32b of bar section that is arranged at valve inside 32 is pressed to tyre side.Thus, the valve body 32a of valve inside 32 is pressed towards tyre side and is opened from seat portion 32f with leaving, becomes the state that air can freely circulate by valve inside 32.Thereby, flow into the variometer side in the situation that connected the air of variometer by (in detail in the inner tubes of a tyre for tire 50) in the tire 50, and can be correctly and easily measure air pressure in the tire 50.In addition, in the situation that connected pump, flow into well (in detail in the inner tube of a tyre for tire 50) in the tire 50 by the air that comes self-pumping, can inject air to tire 50 well.Thus, can inject well air to tire 50 with only air pressure, that pressure can be blown out is suppressed at irreducible minimum, and can absorb well from the vibration on ground and keep good comfortable riding sense.
In addition, at this moment, owing to only being connected to valve adapter 30 by the joint 20 with variometer or pump so that valve body 32a is pressed towards tyre side opens, so do not need the extra air pressure that is used for opening valve body 32a etc., even can inject air with smaller power in the situation that pump is the hand pump yet.Namely, in the situation that English tire valve 1 is installed, owing to needing the extra power that is used for pressing off with air pressure small-sized rubber components 3, so must inject air until become large air pressure with larger power in the situation that pump is the hand pump, if but then do not have such situation according to embodiment of the present utility model.In addition, also consider at the pump of English tire valve 1 usefulness variometer to be installed, but in this case, can only to tire inject than the air pressure of measuring with variometer also low be equivalent to press off the air pressure of the air pressure of small-sized rubber components 3, therefore even will inject air to tire with only air pressure, but also exist the air of tire to force down and be easy to produce and press the possibility of blowing out.To this, occur if adopt embodiment of the present utility model then not have such situation.
In addition, the joint 20 of variometer or pump be not connected in the situation of valve adapter 30, shown in Fig. 4 waited, by the application force of force application spring 32d, the valve body 32a of valve inside 32 was closed.In addition, because the sealing 31c that is arranged at internal part 31 contacts with the 2f of conical surface section of the inner peripheral surface that is arranged at stem of valve 2, so the air that can prevent inside tires leaks to the outside from the grooving 2b that is arranged at stem of valve 2 etc.
In addition, according to said structure, as flange shape 31d of particle size of the large diameter part of the anti-tyre side of being formed at of internal part 31 end, can with the anti-tyre side open end butt of stem of valve 2.In this structure, when valve adapter 30 is installed, on one side the internal thread part 35d of external component 33 and the external thread part 2a of stem of valve 2 are screwed togather, on one side be screwed into external component 33 until during the anti-tyre side open end butt of flange shape 31d of the particle size of internal part 31 and stem of valve 2, as shown in Figure 6, sealing 31c strongly can be pressed to the 2f of conical surface section of the inner peripheral surface of stem of valve 2.Thereby, even in the situation that stem of valve 2 is formed with grooving 2b, stem of valve 2 and internal part 31 are sealed fully, improve reliability.In addition, when external component 33 is screwed into stem of valve 2, after certain degree is screwed into external component 33, the 2f of the conical surface section butt of flange shape 31d of the particle size of internal part 31 and stem of valve 2, restriction is screwed into external component 33 more.Consequently, can prevent that the sealing 31c of internal part 31 and internal part 31 exceedingly is urged owing to external component 33, the sealing state of sealing 31c can be remained good state.Also can improve reliability thus.
In addition, according to said structure, owing to being equipped with the packing seal 36 of annular arrangement in hole section 35b (with reference to Fig. 7) on the roller sidewall that is formed at external component 33, thus via sealing pad 36, external component 33 and the anti-tyre side open end of stem of valve 2 being adjacent to.
And, in this embodiment, illustrated that at least a portion with the sealing 31c of internal part 31 is equipped on the situation in the position that grooving 2b exposes in the stem of valve 2, but be not limited to this.That is, such as Fig. 9, shown in Figure 10, the integral body of the sealing 31c of internal part 31, also can according to be positioned at than the grooving 2b of stem of valve 2 more the mode of the position of roller tire form internal part 31.
When adopting such structure, because the sealing 31c integral body of internal part 31 becomes the structure of externally not exposing by grooving 2b, therefore the sealing 31c with internal part 31 compares by the situation that grooving 2b externally exposes, the deteriorated of sealing 31c can be suppressed in irreducible minimum, can keep well for a long time sealing effectiveness.Namely, in the situation that sealing 31c externally exposes by grooving 2b, because exposed portions serve is exposed to extraneous air and rainwater etc., thus can be deteriorated fast, if but adopt this structure then can not produce such situation.
In addition, in the above-described embodiment, the situation that two parts of sealing 31c that internal part main body 31b that internal part 31 is formed by metal etc. and elastic body form consist of has been described, but has been not limited to this.That is, such as Figure 11, shown in Figure 12, can comprise that also sealing 31c is integrally formed with elastic body with whole internal part 31.According to this structure, owing to can consist of internal part 31 integral body with parts, have advantages of and to reduce number of components so compare with situation about being consisted of by two parts of internal part main body 31b and sealing 31c.In addition, in this situation, make the thickness of flange shape the 31d of particle size that arranges in the anti-tyre side end of internal part 31 larger, flange shape 31d of this particle size also can constitute the function of the packing seal that can have external component 33 concurrently.According to this structure, can also reduce number of components and installation work-hour, can realize cost.Use nylon as the elastomeric material that uses at internal part 31, have advantages of elastic force inexpensive, that have excellent moldability and have appropriateness.In addition, by using high styrene rubber as internal part 31, has advantages of the hardness that is easy to obtain appropriateness.As long as the elastomeric material of internal part 31 has the elastic force identical with these, be not limited to the elastomeric material of example.
In addition, in the above-described embodiment, constitute the common shape of American valve or analogous shape etc. according to the shape of the anti-tyre side part that makes valve adapter 30, the mode that can connect and can connect with the joint 20 of general variometer or pump American valve consists of, but is not limited to this.Such as Figure 13, shown in Figure 14, also can constitute the shape common with the French valve according to the shape of the anti-tyre side part (being connecting portion) that makes valve adapter 130, consisting of with the mode that the joint 120 of the variometer that is connected in the French valve or pump is connected.
That is, such as Figure 13, shown in Figure 14, the internal part 31 that is connected in stem of valve 2 adopts the structure identical with above-mentioned valve adapter 30 to get final product.On the other hand, external component 133 is for example following structure.To constitute in the external component main part 135: have the valve core 132 of valve body 132a and the 132b of bar section, in the air flue 132e that forms along axis direction, move freely.So, by interior threaded part 136 rotations that make the threaded portion 132g that is screwed together in the anti-tyre side that is formed on valve core 132, valve core 132 moves along axis direction, and the seat portion 132f butt that the valve body 132a of valve core 132 and article body section 135 are externally formed comes occluded air path 132e (with reference to Figure 13) or away from making air flue 132e open (with reference to Figure 14).In this situation, the shape of external thread part 133a external component 133, that be connected with joint 120 is constituted with the common shape of French valve get final product.According to such structure, also can carry out good connection to the variometer that is connected in the French valve or the joint 120 of pump, well the instrumentation air pressure.
And, in the above-described embodiment, the situation that is inserted with the inner tube of a tyre in tire 5 has been described, be illustrated for the situation of the inner tube of a tyre being injected air, but be not limited to this, also can be suitable for the valve adapter of installing at the stem of valve 2 that is engaged in the tire (being tubeless tire) that does not have the inner tube of a tyre.
And, in the above-mentioned embodiment shown in Fig. 1～Fig. 8 waits, be provided with at the outer peripheral face of internal part 31 and contact the sealing 31c that prevents that air from leaking to the outside from the inside of tire 50 with the inner peripheral surface of stem of valve 2, inner peripheral surface at stem of valve 2 forms along with the 2f of conical surface section that goes to anti-tyre side to enlarge gradually, the sealing 31c of internal part 31 is crimped on the 2f of conical surface section, at least a portion of the sealing 31c of internal part 31 is disposed at the position of roller tire more than the grooving 2b in the stem of valve 2, and external component 33 possesses external component main part 35 and valve inside 32, and valve inside 32 has spool 32a and the 32b of bar section.But, be not limited to such structure, also can will contact with the inner peripheral surface of stem of valve 2 to prevent that sealing 31c that air leaks to the outside from the inside of tire 50 is arranged at the structure of outer peripheral face of internal part 31, at least a portion that also can only form the sealing 31c of internal part 31 is disposed at the structure of the position of roller tire more than the grooving 2b in the stem of valve 2.That is, also can not have at the inner peripheral surface of stem of valve 2 to form in the structure along with the 2f of conical surface section that goes to anti-tyre side to enlarge gradually, at least a portion of the sealing 31c of internal part 31 is disposed at the position of roller tire more than the grooving 2b in the stem of valve 2.
In addition, to contact with the inner peripheral surface of stem of valve 2 to prevent that sealing 31c that air leaks to the outside from the inside of tire 50 is arranged at the structure of outer peripheral face of internal part 31, in the mode that the anti-tyre side open end from stem of valve 2 extends to anti-tyre side external component 33 is installed, comprise external component main part 35 and the valve inside 32 that is disposed in this external component main part 35, the 32b of bar section that valve inside 32 also can have spool 32a and extend to anti-tire direction from this spool 32a with air flue 35c.Namely, interior perimembranous at stem of valve 2 does not have in the structure of formation along with the 2f of conical surface section that goes to anti-tyre side to enlarge gradually, in the mode that the anti-tyre side open end from stem of valve 2 extends to anti-tyre side external component 33 is installed, comprise external component main part 35 and the valve inside 32 that is disposed in this external component main part 35, the 32b of bar section that valve inside 32 also can have spool 32a and extend to anti-tire direction from this spool 32a with air flue 35c.
In addition, also can will contact with the inner peripheral surface of stem of valve 2 to prevent that sealing 31c that air leaks to the outside from the inside of tire 50 is arranged at the structure of outer peripheral face of internal part 31, according to only externally the inner peripheral surface of the tyre side of parts 33 mode that forms the internal thread part 35d that the external thread part 2a with the outer peripheral face of the anti-tyre side that is formed at stem of valve 2 screws togather consist of.Namely, also can not have at the inner peripheral surface at stem of valve 2 to form in the structure along with the 2f of conical surface section that goes to anti-tyre side to enlarge gradually, the mode that forms the internal thread part 35d that the external thread part 2a with the outer peripheral face of the anti-tyre side that is formed at stem of valve 2 screws togather according to the inner peripheral surface of the tyre side of parts 33 externally consists of.
In addition, to contact with the inner peripheral surface of stem of valve 2 to prevent that sealing 31c that air leaks to the outside from the inside of tire 50 is arranged at the structure of outer peripheral face of internal part 31, also can only form in the anti-tyre side end of internal part 31 can with the large diameter part (flange shape 31d of particle size) of the anti-tyre side open end butt of stem of valve 2.
In addition, to contact with the inner peripheral surface of stem of valve 2 to prevent that sealing 31c that air leaks to the outside from the inside of tire 50 is arranged at the structure of outer peripheral face of internal part 31, also can be only externally the roller sidewall of parts 33 form the hole 35b of section, at the packing seal 36 of the 35b of this hole section configuration toroidal.
In addition, contacting with the inner peripheral surface of stem of valve 2 to prevent that sealing 31c that air leaks to the outside from the inside of tire 50 is arranged at the structure of outer peripheral face of internal part 31, also can only internal part 31 be formed with elastic body with sealing 31c.
Utilizability on the industry
Valve adapter of the present utility model can not only be installed on the stem of valve of English tire valve, can also be installed on the stem of valve that is formed with grooving at anti-tyre side open end.
In addition, so long as the tire of wheelchair etc., bicycle use can use, just can use valve adapter of the present utility model.
Claims (13)
1. valve adapter, it is installed on the stem of valve that is formed with grooving at anti-tyre side open end, and this valve adapter is characterised in that, comprising:
Internal part, it is equipped in the stem of valve and has air flue; With
External component, it is installed on the anti-tyre side open end of described stem of valve, and has by valve body and be pressed towards the valve inside that tyre side allows the air Injection inside tires,
At the outer peripheral face of described internal part, be provided with and contact with the inner peripheral surface of described stem of valve and prevent the sealing that the air from inside tires leaks to the outside.
2. valve adapter as claimed in claim 1 is characterized in that:
Interior perimembranous at described stem of valve is formed with along with the conical surface section that goes to anti-tyre side to enlarge gradually, and the sealing of described internal part is crimped on described conical surface section.
3. valve adapter as claimed in claim 1 is characterized in that:
At least a portion of the sealing of described internal part is equipped on the more position of roller tire of the interior described grooving of ratio of stem of valve.
4. valve adapter as claimed in claim 3 is characterized in that:
The whole sealing of described internal part is equipped on the more position of roller tire of the interior described grooving of ratio of stem of valve.
5. valve adapter as claimed in claim 1 is characterized in that:
Described external component is installed in the mode that the anti-tyre side open end from stem of valve extends to anti-tyre side, comprising: the external component main body with air flue; With the described valve inside that is equipped in this external component main body,
Described valve inside has described valve body and the bar section from this valve body to anti-tire direction extension.
6. valve adapter as claimed in claim 1 is characterized in that:
At the inner peripheral surface of the tyre side of described external component, be formed with the internal thread part that the external thread part that forms with outer peripheral face in the anti-tyre side of described stem of valve screws togather.
7. valve adapter as claimed in claim 1 is characterized in that:
Be formed with in the anti-tyre side end of described internal part can with the large diameter part of the anti-tyre side open end butt of described stem of valve.
8. valve adapter as claimed in claim 1 is characterized in that:
Position on the roller sidewall of described external component forms porose section, and is equipped with the packing seal of toroidal in the hole of described external component section.
9. valve adapter as claimed in claim 7 is characterized in that:
The large diameter part of described internal part forms in the mode that embeds the hole section that is communicated with the air flue of described external component.
10. valve adapter as claimed in claim 1 is characterized in that:
Described external component can be installed on: can be installed in the communication port of pump of American tire valve and the communication port of variometer.
11. valve adapter as claimed in claim 1 is characterized in that:
Described external component can be installed on: can be installed in the communication port of pump of French tire valve and the communication port of variometer.
12. valve adapter as claimed in claim 1 is characterized in that:
Described internal part and described sealing is integrally formed with elastic body.
13. a bicycle is characterized in that:
Possesses valve adapter claimed in claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011010318A JP2012149738A (en) | 2011-01-21 | 2011-01-21 | Valve adapter, bicycle with the same |
| JP2011-010318 | 2011-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641279U true CN202641279U (en) | 2013-01-02 |
Family
ID=46792174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220026491 Expired - Lifetime CN202641279U (en) | 2011-01-21 | 2012-01-19 | Air valve adapter and bicycle with the air valve adapter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012149738A (en) |
| CN (1) | CN202641279U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387249A (en) * | 2014-08-28 | 2016-03-09 | 侨雄实业股份有限公司 | Inflating gun and air nozzle connector thereof |
| CN110118278A (en) * | 2018-02-07 | 2019-08-13 | 阿米瑟工业股份有限公司 | High flow capacity two-stage gas nozzle |
| USD969876S1 (en) | 2020-12-11 | 2022-11-15 | Milwaukee Electric Tool Corporation | Inflator |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101410349B1 (en) | 2014-02-25 | 2014-06-24 | 지현 | Air injection connector for bicycle tire |
| CN106627000A (en) * | 2016-10-28 | 2017-05-10 | 万通智控科技股份有限公司 | Valve cap, inflating valve structure, tire and vehicle |
| CN110370867B (en) * | 2019-08-12 | 2021-02-26 | 江阴博尔汽配工业有限公司 | Clean explosion-proof valve inside |
-
2011
- 2011-01-21 JP JP2011010318A patent/JP2012149738A/en active Pending
-
2012
- 2012-01-19 CN CN 201220026491 patent/CN202641279U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387249A (en) * | 2014-08-28 | 2016-03-09 | 侨雄实业股份有限公司 | Inflating gun and air nozzle connector thereof |
| CN105387249B (en) * | 2014-08-28 | 2017-11-14 | 侨雄实业股份有限公司 | Inflating gun and air nozzle connector thereof |
| CN110118278A (en) * | 2018-02-07 | 2019-08-13 | 阿米瑟工业股份有限公司 | High flow capacity two-stage gas nozzle |
| CN110118278B (en) * | 2018-02-07 | 2020-11-10 | 阿米瑟工业股份有限公司 | High-flow two-stage air tap |
| USD969876S1 (en) | 2020-12-11 | 2022-11-15 | Milwaukee Electric Tool Corporation | Inflator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012149738A (en) | 2012-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PANASONIC CORP. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20150710 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150710 Address after: Hyogo Patentee after: Pana Fortaleza Corporation Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |