CN102606765A

CN102606765A - Schrader valve and Presta valve combined valve head

Info

Publication number: CN102606765A
Application number: CN2011100213964A
Authority: CN
Inventors: 王罗平
Original assignee: Beto Engineering and Marketing Co Ltd
Current assignee: Beto Engineering and Marketing Co Ltd
Priority date: 2011-01-19
Filing date: 2011-01-19
Publication date: 2012-07-25
Anticipated expiration: 2031-01-19
Also published as: CN102606765B

Abstract

The invention relates to a Schrader valve and Presta valve combined valve head, which comprises a casing, a rotation part, two O-shaped seal rings and a ball. The casing is provided with a shaft hole, the lateral side of the casing extends outwards to form an end, and the end is provided with a through hole communicated with the shaft hole. The rotation part is provided with a body held in the shaft hole of the casing, two ends of the body are provided with two head respectively, the two heads are arranged outside the casing, two screwing holes connected with a Schrader valve and a Presta valve in a screwed manner are arranged by being inserted in from the outer end faces of the two heads respectively, a holding space is arranged in the middle of the body of the rotation part, the holding space is communicated with the two screwing holes through two through holes, an annular groove is reserved on the outer wall surface of the body of the rotation part in a recessed manner to form an annular air channel which is communicated with the through hole at the end of the casing, and a via hole is arranged on the body of the rotation part at the position of the annular groove and is used for communicating the annular air channel with the holding space. The two O-shaped seal rings are arranged on the body of the rotation part and on two sides of the annular groove. The ball is held in the holding space, semispherical or approximately-semispherical sockets are formed at the positions, communicated with the two through holes, of the inner wall surface of the holding space, and the radius of the ball is smaller than that of each socket and larger than that of each of the two through holes.

Description

American mouth and French mouth double-purpose wind fairing head

Technical field

The present invention is relevant with the wind fairing head of inflator, is meant a kind of American mouth and French mouth double-purpose wind fairing head especially.

Background technique

Common tire tuyere has two kinds in American mouth (Schrader Valve) and French mouth (Presta Valve) at present, and American mouth generally is used on the tire of automobile, locomotive and Regular Bicycle, and its external diameter is 8mm.The French mouth is common in the road race bicycle, and is more elongated, and external diameter is 6mm.Two kinds of tuyeres can't be shared a kind of wind fairing head owing to external diameter, structure are different.Be head it off, just occurred a kind of double-purpose wind fairing head on the market, it is at the first end of tuyere and array apparatus one an American mouth and a French mouth; Establish a spanner at the wind fairing head the other end; After tuyere to be inflated is engaged on tuyere, pull spanner, be used to push the rubber bush in the wind fairing head; Make its resiliently deformable, and rank tuyere firmly to be inflated.The COMM communication that air flue is arranged in this kind wind fairing head has structures such as automatic is manually also arranged, to cooperate tuyere inflation operation.Aforesaid double-purpose wind fairing head structure is complicated, and volume is bigger, and the operating space during use also requires bigger, is again to be out of shape through rubber tube to hold in the mouth tuyere, the problem that gets loose easily when causing operation.

Summary of the invention

To the problems referred to above, main purpose of the present invention is to provide a kind of American mouth and French mouth double-purpose wind fairing head, and its structure is simpler, and advantages of small volume can not get loose during use.

For achieving the above object, a kind of American mouth provided by the present invention and French mouth double-purpose wind fairing head is characterized in that including: a housing; Has an axis hole; Said housing side extends an end outward, has a through hole in the middle of the said end, is communicated with said axis hole; One rotating component, the body portion with a stock shape, said body portion two ends respectively have the bigger head of an external diameter; Said rotating component is contained in the axis hole of said housing with its body portion, and its two head part is not positioned at outside the said housing, said rotating component can be rotated in the axis hole of said housing and can not deviate from; Said rotating component is by the past interior bolt apertures that respectively is provided with in two head exterior edge faces; The said bolt apertures French mouth that is spirally connected wherein, another the said bolt apertures American mouth that is spirally connected is provided with a containing space in the middle of the body portion of said rotating component; Said containing space is communicated with two said bolt apertures respectively with two through hole; The body portion outer wall of said rotating component is concaved with an annular groove, and said annular groove forms an annular air channel in the axis hole of said housing, and is communicated with the through hole of said shell end; Said rotating component body portion establishes a perforation in said annular groove position, is communicated with said annular air channel and said containing space; Two O shape seal rings are located at the both sides that said rotating component body portion is positioned at said annular groove respectively, form the leak-stopping assembly of said annular air channel both sides; One spheroid; Be contained in the said containing space; The internal face of wherein said containing space is respectively forming hemisphere or approximate hemispheric recess with the position that is communicated with of two said through holes, and the radius of said spheroid is then less than the radius of said recess, greater than the radius of said through hole.

In the technological scheme of the invention described above, a wherein head of said rotating component or two heads and said rotating component are provided with respectively, affixed again being integral.

The body portion of said rotating component with the fixed connecting end of a head by outside be concaved with a pothole toward in, interlocking one abaculus in the said pothole, the said containing space of formation between said abaculus and said pothole inner end wall.

Adopt technique scheme, structure of the present invention is simplified very much, so volume is also very small and exquisite; In operation, do not take up space, and adopt screw thread locking mode butt joint valve, impossible wrong when butt joint screws togather valve cock; Even under dim light, can judge mistake, and just go up very firm, do not have the anxiety that comes off in case be spirally connected with the be spirally connected sensation of valve cock of finger rotated part; Very convenient in the use, can overcome the inconvenience in the use of existing dual-purpose wind fairing head.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the present invention's one preferred embodiment;

Fig. 2 is the assembled sectional view of the present invention's one preferred embodiment;

Fig. 3 generally is same as Fig. 2, shows the French mouth inflated condition that is spirally connected;

Fig. 4 generally is same as Fig. 2, shows the American mouth inflated condition that is spirally connected.

Embodiment

Lift following examples at present and combine accompanying drawing that structure of the present invention and effect are elaborated.

Double-purpose wind fairing head of the present invention can directly be made on the hand-held pump, or is connected to a pump or the air supply source of other form through a flexible pipe.

Like Fig. 1, shown in Figure 2, American mouth of the present invention and French mouth double-purpose wind fairing head include:

One housing 10 has an axis hole 11, and housing 10 sides extend an end 12 outward, has a through hole 13 in the middle of the end 12, is communicated with axis hole 11.The end 12 of present embodiment can be connected with an air supply hose (not shown); Or be made of one with the hand-held pump.If be made of one, end 12 promptly forms the running shaft of housing 10.

One rotating component 20; Body portion 21 with a stock shape, body portion 21 two ends respectively have the bigger head of an

external diameter

22,23, and rotating component 20 is to be contained in the axis hole 11 of housing 10 with its body portion 21; Its two

head

22,23 lays respectively at outside the housing 10; Rotating component 20 can be rotated in the axis hole 11 of housing 10 and can not deviate from, rotating component 20 by two heads, 22,23 exterior edge faces toward the interior bolt apertures 221,231 that respectively is provided with, a bolt apertures 221 French mouth (as shown in Figure 3) that can be spirally connected wherein; Another bolt apertures 231 American mouth (as shown in Figure 4) that can be spirally connected; Be provided with a containing space 24 in the middle of the body portion 21 of rotating component 20, containing space 24 is communicated with two bolt apertures 221,231 respectively with two through hole 222,232, and rotating component body portion 21 outer wall are concaved with an annular groove 211; Annular groove 211 forms an annular air channel 25 in the axis hole 11 of housing 10; Annular air channel 25 is communicated with the through hole 13 of the end 12 of housing 10 again, and rotating component body portion 21 establishes a perforation 212 in annular groove 211 positions, be communicated with annular air channel 25 and containing space 24.

Two O shape seal rings 30 are located at the both sides that rotating component 20 body portions 21 lay respectively at annular groove 211, form the leak-stopping assembly of annular air channel 25 both sides.Present embodiment is established two grooves 213 in body portion 21, supply sheathed two O shape seal rings 30.

One spheroid 40 is contained in the containing space 24.Wherein the internal face of containing space 24 is respectively forming a hemisphere or approximate hemispheric recess 241,242 with the position that is communicated with of two through hole 222,232; The radius of spheroid 40 is then less than the radius of recess 241,242, greater than the radius of connecting through hole 222,232.

A wherein head or two heads of rotating component 20 are to be provided with respectively with rotating component, affixed again being integral.Present embodiment is to adopt the head 23 of American mouth bolt apertures 231 positions to open manufacturing in 21 minutes with body portion, and body portion establishes 21 outer ends a spiro union portion 214, and head 23 is and cover shape, and internal face is established spiro union portion 232 and is spirally connected to lock with the spiro union portion 214 with body portion 21 and is integral.Certainly fix with adhesive again.Except being spirally connected, also can adopt interlocking, gluing or the like mode to link into an integrated entity.Head 23 central authorities then are provided with a screw 233.

The body portion 21 of rotating component 20 with the fixed connecting end of head 23 by outside be concaved with a pothole 215 toward in, be embedded an abaculus 26 in the pothole 215, and between abaculus 26 and pothole 215 inner end wall, form aforesaid containing space 24.241,242 of two recesses lay respectively on pothole 215 inner end wall and the abaculus 26.As shown in Figure 1, abaculus 26 is provided with half spherical recess and forms aforesaid recess 242, and the outside is provided with a groove 261, and the centre is provided with a perforation, and this perforation promptly forms aforesaid through hole 232, and abaculus 26 is provided with breach 262 in the bottom.One O shape encircles 27, is enclosed within the groove 261 of abaculus 26, to form airtight with pothole 215 internal faces.One thimble piece 28 is located at and is positioned at abaculus 26 outsides in the pothole 215.One packing ring 29 is located at thimble piece 28 outsides.Thimble piece 28, packing ring 29 and the head 23 common joints that form American mouth.Be provided with O shape ring 31 near the exit sleeve end in the bolt apertures 221, leak-stopping is used when supplying the French mouth to connect.

As shown in Figure 3; When bolt apertures 221 was spirally connected a French mouth (among the figure shown in the imaginary line), the air that is got into by through hole 13 was through annular air channel 25 and bore a hole and 212 get into containing spaces 24; Originally air can be released by bolt apertures 231; But the suction that air-flow causes can drive spheroid 40 rapidly and seal the through hole 232 of recess 242 sides, makes to be airtight, and the high-pressure air in the containing space 24 promptly gets into 221 pairs of French mouth inflations of bolt apertures.

As shown in Figure 4, when bolt apertures 231 is spirally connected an American mouth (among the figure shown in the imaginary line), if in the object to be inflatable air is arranged; The air-flow that releases just can promote spheroid 40 and close through hole 222 automatically; Otherwise promptly as aforementioned, the initial stage can be released by through hole 222 by the air that through hole 13 gets into, and the suction that air-flow causes can drive spheroid 40 and seal through hole 222; Make to be airtight, the air that gets into containing space 24 continuously is promptly to American valve inflation.

Head 22 in the present embodiment also can be arranged with body portion in 21 minutes, and for example head 22 or head 23 adopts made, also is provided with embossing on it, and body portion then uses plastics, again be spirally connected, mode is affixed is integral for interlocking, gluing or the like.

Characteristics of the present invention are structure simplifying very, so volume is also very small and exquisite, in operation, do not take up space; Be again with the screw thread locking mode; Can not wrong when butt joint screws togather valve cock, even under dim light, can judge mistake with the be spirally connected sensation of valve cock of finger rotated part, and in case be spirally connected just go up very firmly; There is not the anxiety that comes off, very convenient in the use.

Claims

1. American mouth and French mouth double-purpose wind fairing head is characterized in that including:

One housing has an axis hole, and said housing side extends an end outward, has a through hole in the middle of the said end, is communicated with said axis hole;

One rotating component, the body portion with a stock shape, said body portion two ends respectively have the bigger head of an external diameter; Said rotating component is contained in the axis hole of said housing with its body portion, and its two head part is not positioned at outside the said housing, said rotating component can be rotated in the axis hole of said housing and can not deviate from; Said rotating component is by the past interior bolt apertures that respectively is provided with in two head exterior edge faces; The said bolt apertures French mouth that is spirally connected wherein, another the said bolt apertures American mouth that is spirally connected is provided with a containing space in the middle of the body portion of said rotating component; Said containing space is communicated with two said bolt apertures respectively with two through hole; The body portion outer wall of said rotating component is concaved with an annular groove, and said annular groove forms an annular air channel in the axis hole of said housing, and is communicated with the through hole of said shell end; Said rotating component body portion establishes a perforation in said annular groove position, is communicated with said annular air channel and said containing space;

Two O shape seal rings are located at the both sides that said rotating component body portion is positioned at said annular groove respectively, form the leak-stopping assembly of said annular air channel both sides;

One spheroid; Be contained in the said containing space; The internal face of wherein said containing space is respectively forming hemisphere or approximate hemispheric recess with the position that is communicated with of two said through holes, and the radius of said spheroid is then less than the radius of said recess, greater than the radius of said through hole.

2. American mouth as claimed in claim 1 and French mouth double-purpose wind fairing head is characterized in that: a wherein head of said rotating component or two heads and said rotating component are provided with respectively, affixed again being integral.

3. American mouth as claimed in claim 2 and French mouth double-purpose wind fairing head; It is characterized in that: the body portion of said rotating component with the fixed connecting end of a head by outside be concaved with a pothole toward in; Interlocking one abaculus in the said pothole forms said containing space between said abaculus and said pothole inner end wall.