CN203770722U - Single-nozzle air nozzle head and vertical compression type double valve mouth automatically switched air nozzle head - Google Patents

Abstract

The utility model discloses a single-nozzle air nozzle head and a vertical compression type double valve mouth automatically switched air nozzle head. The single-nozzle air nozzle head comprises, at least a body, a mouthpiece and a valve plug, wherein the mouthpiece is provided with a nozzle hole for the mouthpiece to be arranged in one end of the valve plug, then the mouthpiece and the valve plug are arranged in a valve hole of the body, multiple clamping claws annularly arranged at intervals are formed at at-least one tail end or two tail ends of the valve plug, bow arch portions are formed on the outer surfaces of the clamping claws, at least flowing channel communicated with the nozzle hole is formed inside the valve plug, the body is provided with an air supply hole capable of being connected with an air pressure source, and the valve plug can perform limited reciprocating displacement between a first position and a second position of the body. By applying the structure, the single-nozzle air nozzle head can be operated with one hand and used for air inflation for different types of nozzles to be inflated, the nozzles to be inflated can be strongly bundled and fixed, the air leakage situation during air inflation can be minimized, and the operation smoothness and convenience of the single-purpose or dual-purpose air nozzle head are greatly improved.

Description

Single mouth formula wind fairing head and direct press type bivalve mouth automatic switchover wind fairing head

Technical field

The utility model relates to a kind of wind fairing head that can be alone or dual-purpose, refer in particular to a kind of singlehanded control and treat that charging air inlet inserts one and connects mouth, the wind fairing head that can directly inflate, whereby greatly to promote operation smoothness and the convenience of alone or dual-purpose wind fairing head when inflating.

Background technique

Previous dual-purpose wind fairing head just as shown in case before No. 095107665th, TaiWan, China application, No. 097203517 etc. patent as,, before this patent, case all has following shortcoming:

One, the front case of this patent is when inflating, must control with a hand holding body and treat that charging air inlet inserts arbitrary mouth that connects, and then utilize an other hand propulsion spanner, with treating charging air inlet so that actuating of moving down of inner cylinder pressure connects mouth folder bundle, finally, just can inflate, this kind of palpus is also not convenient through the pattern of bimanualness, truly has the sense of wasting time and energy.

Two, before this patent case see through that cylinder pressure moves down and nozzle connecting axis forced to move to distortion, with " indirectly ", actuate the folder bundle that connects mouth radial deformation and treat charging air inlet, it is quite limited that this connects mouth radial-deformation, so connect mouth folder bundle, treats that the strength of charging air inlet is quite limited, so when inflating, as easy as rolling off a log have a gas leakage problem.

Three, before this patent, the overall structure of case is really too complicated, causes manufacture and assembly cost to have the shortcoming that cannot reduce.

In view of this, the design people is for not attaining perfect caused many disappearances and inconvenience in above-mentioned wind fairing head structural design, and deeply design, and active research improvement has a fling at and development and Design goes out this case.

Model utility content

The purpose of this utility model be to provide a kind of can be alone single mouth formula wind fairing head and direct press type bivalve mouth automatic switchover wind fairing head that can be dual-purpose, can one-handed operation and the charging air inlet for the treatment of of different types is inflated, can treat charging air inlet by powerful Shu Gu, can the gas leakage situation when inflating be down to minimumly, greatly promote operation smoothness and the convenience of alone or dual-purpose wind fairing head when inflating.

In order to reach above-mentioned purpose, solution of the present utility model is:

A direct press type bivalve mouth automatic switchover wind fairing head, it comprises:

One body, it has a valve opening running through, and between valve opening two ends, has picked out an air vent; One first connects mouth, and it has the first mouth hole; One second connects mouth, and it has the second mouth hole; And a valve plug, it is placed in body, its along valve opening axial in primary importance to the spacing movement of second place intercropping; This valve plug disposes a plurality of the first jaws, the second jaw, each first jaw of order is alternate laying with the first bundle groove, in order to define the first beam hole that is arranged coaxial and radially brings together with valve opening, this first beam hole connects mouth for first and coaxially inserts assembling, as for each second jaw, with the second bundle groove, be alternate laying, in order to define the second beam hole that is arranged coaxial and radially brings together with valve opening, this second beam hole connects mouth for second and coaxially inserts assembling; When valve plug is during in primary importance, valve opening must discharge the second jaw, compressing the first jaw, and the automatic radial clamping of the first beam hole first connects mouth, and makes air vent conducting the first mouth hole; When valve plug is during in the second place, its valve opening discharges the first jaw, compressing the second jaw, and the automatic radial clamping of the second beam hole second connects mouth, and makes this second mouth hole of air vent conducting.

Above-mentioned body is concaved with the first card division in valve opening one ora terminalis wall, also in another ora terminalis wall of valve opening, is concaved with the second card division; Valve plug periphery is also equipped with first buckle portion of mating with the first card division, and is equipped with second buckle portion of mating with the second card division, and when valve plug moves to primary importance, the first buckle portion is relative with the first card division to be combined, the second buckle portion departs from the second card division; When valve plug moves to the second place, its second buckle portion is relative with the second card division to be combined, the first buckle portion departs from the first card division.

Above-mentioned valve plug length is long compared with valve opening, so that the outstanding valve opening in these valve plug two ends, when valve plug moves to primary importance, the position of its one end in more outstanding valve opening, removes the first buckle portion, the first card division use to provide; When valve plug moves to the second place, the position that its other end can be in more outstanding valve opening, removes the second buckle portion to provide, the second card division is used.

Above-mentioned a plurality of the first jaw with the alternate laying of the first bundle groove in the form of a ring, be used to this first jaw inner side and define the first beam hole, as for each first jaw outside, relative formation one can be for clear valve diameter to bow portion forced to move, and makes the first buckle portion be based in this bow portion; As for a plurality of the second jaws with the alternate laying of the second bundle groove in the form of a ring, be used to this second jaw inner side and define the second beam hole, as for each second jaw outside, relative formation one can be for clear valve diameter to bow portion forced to move, and makes the second buckle portion be based in this bow portion.

In above-mentioned the first jaw outer end, be provided with the first stopper, this first stopper outer rim is positioned at valve opening outside, and formed diameter is large compared with valve opening, makes the first stopper inner edge be connected to first and connects gonys end; As for the second jaw outer end, be provided with the second stopper, this second stopper outer rim is positioned at valve opening outside, and formed diameter is large compared with valve opening, makes the second stopper inner edge be connected to second and connects mouth top.

A single mouth formula wind fairing head, it comprises:

One body, it has a valve opening running through, and between valve opening two ends, has picked out an air vent; First of one ring-type connects mouth, and it has one and treats for one the first mouth hole that charging air inlet plugs together; One valve plug, it is placed in body, and what its valve opening along body was axial moves back and forth to second place intercropping is spacing in primary importance; A wherein end of this valve plug disposes a plurality of jaws, another end forms the press part of a sealing, this valve plug inside is formed with the runner that connects bottom, this runner and air vent are conducted, the a branch of groove in interval between each jaw and laying in the form of a ring, in order to define the beam hole that is arranged coaxial and can radially brings together with valve opening, this first connects mouth and coaxially inserts in beam hole.

The bottom of above-mentioned each jaw forms a hook part of radially extending, and this first connects mouth and lived by the common support in the hook part of each jaw bottom.

The outer surface of above-mentioned each jaw forms radially enlarged bow portion.

The outer ring surface of above-mentioned valve plug forms two circular grooves apart from a distance, this each circular groove is respectively inserted in one first leak-stopping circle, one second leak-stopping circle, between this each circular groove, another formation one depression leads the way, this is led the way and offers a gas port and be conducted with inner runner, during this spool displacement to one position, this is led the way and can be conducted with vent.

Adopt after said structure, the utility model direct press type bivalve mouth automatic switchover wind fairing head is worked as first and is treated that charging air inlet plugs together first and connects mouth, its couple valve plug of can taking advantage of a situation moves to primary importance, make valve opening discharge the second jaw, compressing the first jaw, so that the automatic radial clamping of the first beam hole first connects mouth, and make this first mouth hole of air vent conducting, to can treat that charging air inlet inflates to first; But, treat that charging air inlet plugs together second and connects mouth when second, while moving to the second place in order to the couple valve plug of taking advantage of a situation, its valve opening discharges the first jaw, compressing the second jaw, with so that the automatic radial clamping of the second jaw second connects mouth, and make this second mouth hole of air vent conducting, in order to do treating that charging air inlet inflates to second.

The utility model list mouth formula wind fairing head is worked as first and is treated that charging air inlet plugs together first and connects mouth, its couple valve plug of can taking advantage of a situation moves to primary importance, make press part be protruding to valve opening outside, with seasonal valve opening, oppress each jaw, borrow the guiding of the bow portion of each jaw, be to make the automatic radial clamping of beam hole first connect mouth, and this air vent simultaneously this valve plug inside of conducting to runner and the first mouth hole of outer ring surface, to can treat that charging air inlet inflates to one.

The utility model list mouth formula wind fairing head and direct press type bivalve mouth automatic switchover wind fairing head at least have following progressive:

One, the utility model is providing while inflating, need only see through a hand control body can be easily for it, than existing bimanualness, more shape is easy far away for this kind of one-handed operation pattern, truly has the benefit of time saving and energy saving operation to promote errorless.

Two, the utility model jaw " directly " compressing connects mouth radial deformation, in order to powerful Shu Gu, treats charging air inlet, and this kind of structure closed and can the gas leakage situation when inflating be down to minimum.

Three, the utility model need only connect with body, first that mouth, second connects mouth and four spare parts of valve plug can be reached, and its overall structure is more existing far away more simplifies.

Accompanying drawing explanation

Fig. 1 is the utility model is providing the first combination schematic appearance one when charging air inlet plugs together;

Fig. 2 is the utility model is providing the first combination schematic appearance two when charging air inlet plugs together;

Fig. 3 is the combination generalized section of Fig. 2;

Fig. 4 is the utility model is providing the second combination generalized section when charging air inlet plugs together;

Fig. 5 is the second embodiment's of the present utility model three-dimensional exploded view;

Fig. 6 is the assembling stereo appearance figure of Fig. 5;

Fig. 7 is the second embodiment's of the present utility model use state action schematic diagram;

Fig. 8 is the second embodiment's of the present utility model use state action schematic diagram;

Fig. 9 is another use state action schematic diagram of the second embodiment of the present utility model;

Figure 10 is another use state action schematic diagram of the second embodiment of the present utility model.

Symbol description

10 body 11 valve opening 12 air vents

13 first 14 second card divisions 20 first, card divisions connect mouth

21 first mouth holes 30 second connect mouth 31 second mouth holes

40 valve plugs 411 first are led the way and 412 second are led the way

421 first leak-proof gasket 422 second leak-proof gasket 423 the 3rd leak-proof gaskets

431 first buckle portion 432 second buckle portion 44 first jaws

441 first stopper 45 second jaw 451 second stoppers

46 first bundle groove 47 first beam hole 48 second bundle grooves

49 second beam hole 50 wind fairing head 51 bodies

511 valve opening 512 flange 513 outside threads

514 air vent 515 tube head 516 pipe closes

52 valve plug 521 press part 522 ring shoulders

523 circular grooves 524,525 gas ports of leading the way

526 circular groove 527 outside thread 528 joining portion

53 first leak-stopping circle 54 second leak-stopping circles 55 first connect mouth

551 first mouth hole 552 ring wedge edge 55A second connect mouth

551A the second mouth hole 552A ring flange 56 pressure ring parts

561 beam hole 562 internal thread 563 jaw portions

5631 hook part 564 bundle groove 565 bow portions

57 support ring 571 through hole 572 internal threads

573 rings support edge 91 first and treat that charging air inlet 92 second treats charging air inlet.

Embodiment

In order further to explain the technical solution of the utility model, below by specific embodiment, the utility model is elaborated.

Refer to Fig. 1 to Fig. 4, the present embodiment provides a kind of direct press type bivalve mouth automatic switchover wind fairing head, and it at least includes:

One body 10, it has the valve opening 11 of always putting on lower two ends, and has picked out an air vent 12 between valve opening 11 two ends, and this air vent 12 can provide gas pressure source to give valve opening 11, and valve opening 11 is concaved with the first card division 13 in lower ora terminalis wall, more on valve opening 11, ora terminalis wall is concaved with the second card division 14;

First of one ring-type connects mouth 20, and it has and can treat the first mouth hole 21 that charging air inlet 91 plugs together for first;

Second of one ring-type connects mouth 30, and it has and can treat the first mouth hole 31 that charging air inlet 92 plugs together for second; And

One valve plug 40, it is coaxial being slidably matched with valve opening 11, and length is long compared with valve opening 11, so that valve opening 11 can be given prominence in these valve plug 40 two ends, this valve plug 40 is concaved with first of not conducting mutually and leads the way 411 in valve opening 11 scopes, second leads the way 412, make second to lead the way and 412 be positioned at first 411 tops of leading the way, valve plug 40 peripheries are provided with the first leak-proof gasket 421 in the first 411 below groups of leading the way, in second 412 upper set of leading the way, be provided with the second leak-proof gasket 422, and be provided with the 3rd leak-proof gasket 423 in this first 411 and second group between 412 of leading the way of leading the way, make this first leak-proof gasket 421, the second leak-proof gasket 422 and the 3rd leak-proof gasket 423 and valve opening 11 gas-tight combinations, so can keep first to lead the way 411, second 412 airtight effects of leading the way, these valve plug 40 peripheries more project the first buckle portion 431 that can mate with the first card division 13, and project the second buckle portion 432 that can mate with the second card division 14, in order to do when valve plug 40 along valve opening 11 axial move to primary importance time, make the first buckle portion 431 and the first relative combination in card division 13, the second buckle portion 432 departs from the second card division 14, as for the first 411 connection air vents 12 of leading the way, and make the position that valve plug 40 tops can be in more outstanding valve opening 11, to provide user to press down compulsory commutation first buckle portion 431 combination the first card divisions 13, use, but, when valve plug 40 along valve opening 11 axial move to the second place time, its second buckle portion 432 and the second relative combination in card division 14, the first buckle portion 431 departs from the first card division 13, second 412 connection air vents 12 of leading the way now, and make the position that valve plug 40 bottoms can be in more outstanding valve opening 11, so that being provided, upper compulsory commutation second buckle portion 432 combination the second card divisions 14 of pressing of user use, so can make the valve plug 40 can be in primary importance to the spacing movement of second place intercropping, these valve plug 40 bottoms dispose a plurality of the first jaws 44 vertically, top disposes a plurality of the second jaws 45 vertically, make this first jaw 44 with the alternate laying of the first bundle groove 46 in the form of a ring, be used to these the first jaw 44 inner sides and define the first beam hole 47 that is arranged coaxial and can radially brings together with valve opening 11, as for these the first jaw 44 outsides relative formation one can supply valve opening 11 bow portion radially forced to move, and make the first buckle portion 431 be based in this bow portion, aforementioned the first beam hole 47 connects coaxial insertion of mouth 20 for first and assembles, and make the first mouth hole 21 connections first lead the way 411, as for this second jaw 45 with the alternate laying of the second bundle groove 48 in the form of a ring, be used to these the second jaw 45 inner sides and define the second beam hole 49 that is arranged coaxial and can radially brings together with valve opening 11, as for these the second jaw 45 outsides relative formation one can supply valve opening 11 bow portion radially forced to move, and make the second buckle portion 432 be based in this bow portion, aforementioned the second beam hole 49 connects coaxial insertion of mouth 30 for second and assembles, and make the second mouth hole 31 connections second lead the way 412.

Please coordinate Fig. 2 and Fig. 3 to see it, when user controls body 10 with one hand, so that first plug together first while connecing the first mouth hole 21 of mouth 20 until charging air inlet 91, its couple valve plug 40 of can taking advantage of a situation moves to primary importance, in order to do making the first buckle portion 431, locate this valve plug 40 in valve opening 11 with the first relative combination in card division 13, now valve opening 11 discharges the second jaw 45 peripheries, oppress the formed bow of the first jaw 44 periphery portion, to actuate the automatic radial clamping first of the first beam hole 47, connect mouth 20 peripheries, make the first mouth hole 21 directly radially restraint solid first and treat charging air inlet 91, then, see through air vent 12 gas pressure source is provided, so can treat that charging air inlet 91 inflates to first, after having inflated, can see through and press down valve plug 40 tops, in order to force the first buckle portion 431 to depart from the first card division 13, can be so that valve opening 11 discharges the formed bow of the first jaw 44 periphery portion, to remove first, connect mouth 20 and first and treat the solid state of charging air inlet 91 bundle.

Please coordinate Fig. 4 to see it, when user controls body 10 with one hand, so that second plug together second while connecing the second mouth hole 31 of mouth 30 until charging air inlet 92, when its couple valve plug 40 of can taking advantage of a situation moves to the second place, in order to do making the second buckle portion 432, locate this valve plug 40 in valve opening 11 with the second relative combination in card division 14, now valve opening 11 discharges the first jaw 44 peripheries, oppress the formed bow of the second jaw 45 periphery portion, impel the automatic radial clamping second of the second jaw 45 to connect mouth 30 peripheries, make the second mouth hole 31 directly radially restraint solid second and treat charging air inlet 92, then, see through air vent 12 gas pressure source is provided, so can treat that charging air inlet 92 inflates to second, after having inflated, can see through upper pressure valve plug 40 bottoms, in order to force the second buckle portion 432 to depart from the second card division 14, can be so that valve opening 11 discharges the formed bow of the second jaw 45 periphery portion, to remove second, connect mouth 30 and second and treat the solid state of charging air inlet 92 bundle.

The utility model is for making overall structure more firm, it can be provided with the first stopper 441 in the first jaw 44 bottoms, these the first stopper 441 outer rims are positioned at valve opening 11 outsides, and formed diameter is large compared with valve opening 11, more make the first stopper 441 inner edges be connected to first and connect mouth 20 bottoms; As for the second jaw 45 tops, be provided with the second stopper 451, these the second stopper 451 outer rims are positioned at valve opening 11 outsides, and formed diameter is large compared with valve opening 11, more make the second stopper 451 inner edges be connected to second and connect mouth 30 tops; So just, can guarantee that valve plug 40 can not deviate from valve opening 11, first and connect 20, mouth and can not deviate from the first jaw 44, and second connect 30, mouth and can not deviate from the second jaw 45, and this first stopper 441, the second stopper 451 can be clamped and be treated charging air inlet 91,92, can prevent that this from treating that charging air inlet is in gas replenishment process escape.

By above explanation, learnt, the utility model at least has following progressive:

One, the utility model need only be controlled this gymnastics system through a hand and treat that charging air inlet inserts arbitrary mouth that connects, the promotion valve plug of can taking advantage of a situation moves to fixed point, and then make valve opening can actuate corresponding jaw and connect mouth, in order to automatic clamp bundle, this treats charging air inlet, and than existing bimanualness, more shape is easy far away for this one-handed operation pattern.

Two, the utility model connects the coaxial continuous action relation that mouth sees through valve opening, jaw, the folder bundle that makes it " directly and fill part " radial deformation is treated charging air inlet, so can increase, connect the strength that mouth folder bundle is treated charging air inlet, make it when Ying Yin inflates, can gas leakage situation be down to minimum, and this jaw can be clamped and treat charging air inlet, can prevent that this from treating that charging air inlet is in gas replenishment process escape.

Refer to shown in Fig. 5 to Fig. 8, its second embodiment of the present utility model, it provides a kind of single mouth formula wind fairing head 50, and it at least comprises that a body 51, a valve plug 52, one first connect mouth 55 and form, wherein,

This body 51 has a valve opening 511 axially connecting, its outer ring surface forms a tube head 515,511 of this tube head 515 and valve openings borrow a vent 514 to be conducted, the top of this body 51 forms the ring flange 512 of radial contraction on one day, its bottom outer ring surface is formed with outer ring grain 513 and can to ring 57 screw locks, be fixed thereon for one, should support ring 57 and have a through hole 571 axially connecting, these through hole 571 inner ring surfaces are formed with internal thread 572, and the bottom that should support ring 57 forms towards the ring of radial contraction supports edge 573;

The top of this valve plug 52 is made as closed shape, in the outer ring surface on nearly top and form a shoulder 522, from shoulder, more than 522 form one compared with the press part of path 521, its bottom is in conjunction with a pressure ring part 56, the outer ring surface of this valve plug 52 forms two circular grooves 523 apart from a distance, 526, this each circular groove 523, 526 can respectively be inserted in one first leak-stopping circle 53, one second leak-stopping circle 54, this each circular groove 523, 526 another form a depression lead the way 524, this local location of 524 of leading the way offers one radially deeply to inner gas port 525, the inside of this valve plug 52 extends to and between bottom, forms a joining portion 528, this joining portion 528 is generally the runner that always passes to bottom, and be conducted with this gas port 525, its outer ring surface is formed with outside thread 527 and can fixes with these pressure ring part 56 screw locks, this pressure ring part 56 has a beam hole 561 axially connecting, beam hole 561 inner ring surfaces are formed with internal thread 562, its bottom is formed with a plurality of jaws 563, this jaw 563 a branch of grooves 564 in interval and laying in the form of a ring, in order to define the beam hole 561 that is arranged coaxial and can radially brings together with valve opening 511, the bottom of each jaw 563 forms a hook part 5631 of radially extending, the outer surface of each jaw 563 forms radially enlarged bow portion 565, force-applied and the radial contraction of this each jaw 563, or remove when stressed, can automatically slightly open again and restore to the original state,

This first connects mouth 55 and has a first mouth hole 551 axially connecting, the inner ring surface in this first mouth hole 551 also forms the ring wedge edge 552 of a radial contraction, this first connects mouth 55 and is coaxially inserted in beam hole 561, and this first connects mouth 55 and lived by the common support in hook part 5631 of each jaw 563 bottoms.

Please continue to coordinate and consult Fig. 7, shown in Fig. 8, the alone formula wind fairing head 50 of the present embodiment is when inflating, this tube head 515 links a gas pressure source (not shown) in advance, when first, until charging air inlet 91, plug together when first connects the first mouth hole 551 of mouth 55, its promotion valve plug 52 of can taking advantage of a situation moves up and makes press part 521 protrude from valve opening 511 outsides, and be resisted against ring flange 512 places (primary importance) and cannot be again to top offset by ring shoulder 522, and the bow portion 565 of each jaw 563 is in top offset, the ring that is subject to valve opening 511 bottoms supports the pushing and pressing of edge 573, borrow the guiding of the bow portion 565 of each jaw 563, this beam hole 561 is that automatic radial clamping first connects mouth 55, this first connects that 55, mouth is compressed and tightly by first, treats that charging air inlet 91 clamps again, and this leads the way 524 these air vent 514 conductings simultaneously, joining portion 528, the first mouth hole 551, to can first treat that charging air inlet 91 inflates to this, wherein, this first treats that charging air inlet 91 is American valves.

Please continue to refer to Fig. 9, shown in Figure 10, it is a kind of applicable to the second alone formula wind fairing head for the treatment of charging air inlet 92, this second treats that charging air inlet 92 is French valves, its shaped slightly that meets mouth 55A in the joining portion of valve plug 52A 528A and second is variant, remaining constituent components and shape are identical, wherein, the joining portion 528A of this valve plug 52A forms larger runner, for French valve, can insert, and this second connect mouth 55A only inner ring surface form a ring flange 552A, the corresponding position of French valve can be clamped, its usage mode and start principle are identical, it is no longer repeated for this reason.

Above-described embodiment and accompanying drawing non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.

Claims (9)

1. a direct press type bivalve mouth automatic switchover wind fairing head, is characterized in that, comprising:

One body, it has a valve opening running through, and between valve opening two ends, has picked out an air vent;

One first connects mouth, and it has the first mouth hole;

One second connects mouth, and it has the second mouth hole; And

One valve plug, it is placed in body, its along valve opening axial in primary importance to the spacing movement of second place intercropping; This valve plug disposes a plurality of the first jaws, the second jaw, each first jaw of order is alternate laying with the first bundle groove, in order to define the first beam hole that is arranged coaxial and radially brings together with valve opening, this first beam hole connects mouth for first and coaxially inserts assembling, as for each second jaw, with the second bundle groove, be alternate laying, in order to define the second beam hole that is arranged coaxial and radially brings together with valve opening, this second beam hole connects mouth for second and coaxially inserts assembling; When valve plug is during in primary importance, valve opening must discharge the second jaw, compressing the first jaw, and the automatic radial clamping of the first beam hole first connects mouth, and makes air vent conducting the first mouth hole; When valve plug is during in the second place, its valve opening discharges the first jaw, compressing the second jaw, and the automatic radial clamping of the second beam hole second connects mouth, and makes this second mouth hole of air vent conducting.

2. direct press type bivalve mouth automatic switchover wind fairing head as claimed in claim 1, is characterized in that: body is concaved with the first card division in valve opening one ora terminalis wall, also in another ora terminalis wall of valve opening, is concaved with the second card division; Valve plug periphery is also equipped with first buckle portion of mating with the first card division, and is equipped with second buckle portion of mating with the second card division, and when valve plug moves to primary importance, the first buckle portion is relative with the first card division to be combined, the second buckle portion departs from the second card division; When valve plug moves to the second place, its second buckle portion is relative with the second card division to be combined, the first buckle portion departs from the first card division.

3. direct press type bivalve mouth automatic switchover wind fairing head as claimed in claim 2, it is characterized in that: valve plug length is long compared with valve opening, so that the outstanding valve opening in these valve plug two ends, when valve plug moves to primary importance, the position of its one end in more outstanding valve opening, removes the first buckle portion, the first card division use to provide; When valve plug moves to the second place, the position that its other end can be in more outstanding valve opening, removes the second buckle portion to provide, the second card division is used.

4. direct press type bivalve mouth automatic switchover wind fairing head as claimed in claim 2, it is characterized in that: a plurality of the first jaws with the alternate laying of the first bundle groove in the form of a ring, be used to this first jaw inner side and define the first beam hole, as for each first jaw outside, relative formation one can be for clear valve diameter to bow portion forced to move, and makes the first buckle portion be based in this bow portion; As for a plurality of the second jaws with the alternate laying of the second bundle groove in the form of a ring, be used to this second jaw inner side and define the second beam hole, as for each second jaw outside, relative formation one can be for clear valve diameter to bow portion forced to move, and makes the second buckle portion be based in this bow portion.

5. the direct press type bivalve mouth automatic switchover wind fairing head as described in claim 1,2,3 or 4, it is characterized in that: in the first jaw outer end, be provided with the first stopper, this the first stopper outer rim is positioned at valve opening outside, and formed diameter is large compared with valve opening, makes the first stopper inner edge be connected to first and connects gonys end; As for the second jaw outer end, be provided with the second stopper, this second stopper outer rim is positioned at valve opening outside, and formed diameter is large compared with valve opening, makes the second stopper inner edge be connected to second and connects mouth top.

6. a single mouth formula wind fairing head, is characterized in that, comprising:

One body, it has a valve opening running through, and between valve opening two ends, has picked out an air vent;

First of one ring-type connects mouth, and it has one and treats for one the first mouth hole that charging air inlet plugs together;

One valve plug, it is placed in body, and what its valve opening along body was axial moves back and forth to second place intercropping is spacing in primary importance; A wherein end of this valve plug disposes a plurality of jaws, another end forms the press part of a sealing, this valve plug inside is formed with the runner that connects bottom, this runner and air vent are conducted, the a branch of groove in interval between each jaw and laying in the form of a ring, in order to define the beam hole that is arranged coaxial and can radially brings together with valve opening, this first connects mouth and coaxially inserts in beam hole.

7. single mouth formula wind fairing head as claimed in claim 6, is characterized in that: the bottom of this each jaw forms a hook part of radially extending, and this first connects mouth and lived by the common support in the hook part of each jaw bottom.

8. single mouth formula wind fairing head as claimed in claim 6, is characterized in that: the outer surface of each jaw forms radially enlarged bow portion.

9. single mouth formula wind fairing head as claimed in claim 6, it is characterized in that: the outer ring surface of this valve plug forms two circular grooves apart from a distance, this each circular groove is respectively inserted in one first leak-stopping circle, one second leak-stopping circle, between this each circular groove, another formation one depression leads the way, this is led the way and offers a gas port and be conducted with inner runner, during this spool displacement to one position, this is led the way and can be conducted with vent.