CN106949281A - A kind of automatic ejection type air valve that can be applied to spheroid inflation - Google Patents
A kind of automatic ejection type air valve that can be applied to spheroid inflation Download PDFInfo
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- CN106949281A CN106949281A CN201710371592.1A CN201710371592A CN106949281A CN 106949281 A CN106949281 A CN 106949281A CN 201710371592 A CN201710371592 A CN 201710371592A CN 106949281 A CN106949281 A CN 106949281A
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- air cavity
- regulation
- gas injection
- ring set
- control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of automatic ejection type air valve that can be applied to spheroid inflation, it includes valve sleeve body, the regulation and control air cavity that central axis is parallel to each other is provided with valve sleeve body, gas injection air cavity, it is additionally provided with valve sleeve body for connecting regulation and control air cavity, the gas passage a of gas injection air cavity, gas passage b, the both ends open for regulating and controlling air cavity is air inlet port, control pressure port, the valve element that can be slided along regulation and control air cavity central axial direction is also slidably fitted with regulation and control air cavity, valve sleeve body is also associated with the locking mechanism for locking spool, the both ends of gas injection air cavity are respectively gas injection end, it is vented end, shiding matching is gone back in gas injection air cavity the gas injection component that can be slided along its center axis, above-mentioned gas passage a one end is connected in the gas injection end of gas injection air cavity, the other end connects the inner chamber in regulation and control air cavity and closes on air inlet port, above-mentioned gas passage b one end is connected is vented end in gas injection air cavity, the other end connects the inner chamber in regulation and control air cavity and closes on air inlet port.
Description
Technical field
The present invention relates to a kind of air valve, more particularly to it is a kind of can supplemental inflatable spheroid complete the air valve of inflation work.
Background technology
When being inflated operation to inflated ball body (such as basketball, exhaust, football) in the prior art, using with spheroid gas
The air tube that mouth matches is connected with inflator or other high-pressure air sources, you can complete the injection work of gases at high pressure, existing to be somebody's turn to do
The drawbacks of planting method of gas injection is that (1) air tube small volume is easy to lose；(2) the tracheae top of air tube is more sharp, with larger
Safe handling hidden danger, easily cause the injury of children.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of aerating device of achievable storage, and
Constant DP control function can be realized, and the automatic function of pulling out pin can also be realized using high-pressure air source.
To realize above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
A kind of automatic ejection type air valve that can be applied to spheroid inflation, it includes being provided with center in valve sleeve body, valve sleeve body
The gas for connecting regulation and control air cavity, gas injection air cavity is additionally provided with regulation and control air cavity that axis is parallel to each other, gas injection air cavity, valve sleeve body
Body passage a, gas passage b, regulate and control the two ends of air cavity through valve sleeve body, the both ends open of regulation and control air cavity is air inlet port, controlled
The valve element that can be slided along regulation and control air cavity central axial direction is also slidably fitted with pressure side mouthful, regulation and control air cavity, valve sleeve body is also connected with
There is the locking mechanism for locking spool, the both ends of gas injection air cavity are respectively to be gone back in gas injection end, exhaust end, gas injection air cavity
Shiding matching has the gas injection component that can be slided along its center axis, and above-mentioned gas passage a one end is connected in the note of gas injection air cavity
Gas end, the other end connect the inner chamber in regulation and control air cavity and close on air inlet port, above-mentioned gas passage b one end connect in
Gas injection air cavity exhaust end, the other end connect the inner chamber in regulation and control air cavity and close on air inlet port, gas passage a and regulation and control gas
The on-position of the inner chamber of chamber is relative to gas passage b and the on-position of the inner chamber of regulation and control air cavity closer in regulation and control air cavity
Air inlet port；Valve element includes the mandrel with regulation and control air cavity coaxial line arrangement, and the external stability of mandrel is socketed with coaxial line cloth
Ring set a, the ring set b put, ring set a are arranged in mandrel towards the suspension end of the air inlet port of regulation and control air cavity, and ring set b is arranged in core
The centre position of axle, ring set a along its center axis direction slide when, ring set a can barrier gas passage a connect with regulation and control air cavity
Mouthful, ring set b is arranged at gas passage a and regulation and control air cavity interface, gas passage b and between regulation and control air cavity interface during position, gas
Body passage a, gas passage b are connected with ring set b two ends air cavity respectively；It is provided with ring set a and connects the ventilative of its two sides cavity
The central exhaust port along the extension of its center axis direction and one end open, the opening of central exhaust port are provided with hole a, mandrel
End towards the control pressure port of regulation and control air cavity, be provided with ring set a radially extension and with letting out that central exhaust port is connected
Stomata, bleeder port only has one end open and its openend is towards gas injection air cavity；Valve element also includes being arranged at mandrel towards regulation and control
The air-vent b for connecting its two sides cavity, ring set c center are provided with the ring set c of the control pressure port side of air cavity, ring set c
Place is additionally provided with the stomata being connected with central exhaust port；The control pressure port of regulation and control air cavity has been connected through a screw thread adjusting set, adjusts
Save set central axial direction on be provided with connect regulation and control air cavity inner chamber and outside atmosphere exhaust passage, exhaust passage all the time with
Central exhaust port, the air-vent b for being arranged at ring set c are remained up, and are provided between the end of adjusting set and ring set c for promoting
Pressure-controling spring of the mandrel towards the motion of regulation and control air cavity air inlet port direction；
Gas injection component includes being slideably positioned in gas injection air cavity and the air tube seat of coaxial line arrangement, and air tube seat is towards gas injection gas
One side of chamber exhaust end is provided with the needle tubing of coaxial line arrangement, the one end of air tube seat towards gas injection air cavity gas injection end
Side be provided with the outrigger shaft of coaxial line arrangement, air tube seat be provided with it is that radially direction is disposed to extend and at least one
The stomata a of end opening, stomata b, stomata a, stomata b are separate, are provided with air tube seat along the extension of its center axis direction simultaneously
And for connecting the gas channel of stomata a, syringe intracavity, the suspension end of outrigger shaft is provided with radially direction and is disposed to extend
And it is additionally provided with least stomata c of one end open, outrigger shaft and stomata c, gas is arranged and connected along its center axis direction
Hole b central airway, the suspension end of outrigger shaft is also socketed with for blocking outside the ring set of holding one's breath at stomata c openings, outrigger shaft
Portion is also socketed with the gas-stopping spring for promoting ring set direction extension axle suspension end motion of holding one's breath；Ring set hold one's breath along outrigger shaft center
Axis moves towards needle tubing direction and overcomes gas-stopping spring, and stomata c and gas injection air cavity connection can be achieved；
It is additionally provided with gas injection air cavity positioned at exhaust end and the connection air drain for connecting stomata a, stomata b, connects air drain
The diameter with diameter greater than gas injection air cavity；
It is provided with the pin hole matched with needle tubing on the exhaust end of gas injection air cavity, air tube seat, the gas injection end of gas injection air cavity
Closed air cavity a, air tube seat, the wall portion of the exhaust end of gas injection air cavity, gas injection are enclosed between wall portion, the inwall of gas injection air cavity
Closed air cavity b is enclosed between the inwall of air cavity, gas passage a keeps the on-state with air cavity a, and gas passage b is kept
With air cavity b on-state；
The cross sectional shape in mandrel section portion between ring set b, ring set c is non-circular geometry；Also opened on above-mentioned valve sleeve body
Provided with the gathering sill connected perpendicular to regulation and control air cavity central axis and with regulation and control air cavity；
Wherein locking mechanism, its locking bar that includes matching with gathering sill and can be slided along gathering sill guide direction, locking bar position
The mandrel between ring set b, ring set c is socketed in a side of regulation and control air cavity, the outside suspension end of locking bar is provided with gland,
The outside of locking bar is socketed with one end against the shell of valve sleeve body, the other end against gland and for promoting what locking bar was flexed outward
Sealed spring, mandrel section portion between ring set b, ring set c offers the lock for being provided with and matching with locked groove on locked groove, locking bar
Tooth；
It is provided with the air inlet port of above-mentioned regulation and control air cavity for limiting the locating part that valve element is moved towards air inlet port, ring set
When a offsets with locating part, interfaces, gas passage b and regulation and control air cavity of the ring set b between gas passage a and regulation and control air cavity may be such that
Interface between, air cavity a is connected by gas passage a with regulation and control air cavity inner chamber, and the air-vent a by being arranged on ring set a,
Realize that air cavity a and regulation and control air cavity air inlet port are connected；Air cavity b is connected by gas passage b with regulation and control air cavity inner chamber, and is passed through
The air-vent b on ring set c is arranged at, realizes that air cavity b and regulation and control air cavity exhaust passage are connected.
The air inlet port of regulation and control air cavity is also threaded with adapter sleeve, and spiral cover spiral is connected to the suspension end of adapter sleeve,
Above-mentioned locating part is the limited post for being arranged at adapter sleeve center, and limited post is extended in regulation and control air cavity and along regulation and control air cavity
Central axial direction extension, limited post be used for limit valve element towards regulation and control air cavity air inlet port motion.
The cross sectional shape of locked groove is V-arrangement, and the trench bottom of locked groove is provided with the brake platform shunk towards mandrel center
Rank groove, lock tooth is the closing piece that section is right angled triangle, locks the inclined side of tooth towards ring set b, lock tooth can limit core with locked groove
Axle continues the air inlet port direction movement towards regulation and control air cavity.
Further optimization, the cross sectional shape in mandrel section portion between ring set b, ring set c is rectangle or triangle.
Further optimization, the open-ended setting of gas injection of the gas injection air cavity and place of opening is threaded with end cap, end cap
Upper can be set has suspension ring.
Brief description of the drawings
In order to illustrate more clearly the embodiments of the present invention, the accompanying drawing to be used needed for embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the invention.
Fig. 2 is in the internal structure schematic diagram under original state for the present invention.
Fig. 3 is in the internal structure schematic diagram under original state for the present invention.
Fig. 4 is the structural representation of valve sleeve body.
Fig. 5 is the present invention in the structural representation stored under gas injection component states.
Fig. 6 is the present invention in the internal structure schematic diagram stored under gas injection component states.
Fig. 7 is the present invention in the internal structure schematic diagram stored under gas injection component states.
Fig. 8 is the structural representation of valve element.
Fig. 9 is the structural representation under gas injection component original state.
Figure 10 is the structural representation that gas injection component is under aeration status.
Figure 11 is the structural representation that air tube seat matches with needle tubing, outrigger shaft.
Figure 12 is the structural representation of valve element in an initial condition.
Figure 13 is structural representation of the valve element under condensed state.
It is denoted as in figure：
10th, valve sleeve body；110th, spiral cover；120th, adapter sleeve；130th, end cap；140th, air cavity is regulated and controled；150th, gas injection air cavity；160th, gas
Passage a；170th, gas passage b；180th, air drain is connected；190th, gathering sill；
20th, adjusting set；210th, exhaust passage；
30th, locking mechanism；310th, locking bar；310a, lock tooth；320th, gland；330th, sealed spring；
40th, valve element；410th, mandrel；410a, central exhaust port；410b, locked groove；420th, ring set a；420a, air-vent a；420b, let out
Stomata；430th, ring set b；440th, ring set c；440a, air-vent b；450th, pressure-controling spring；
50th, gas injection component；510th, air tube seat；510a, stomata a；510b, stomata b；520th, needle tubing；530th, outrigger shaft；530a, gas
Hole c；530b, central airway；540th, hold one's breath ring set；550th, gas-stopping spring.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art are not under the premise of creative work is made, the every other reality obtained
Example is applied, the scope of the present invention is belonged to.
Referring to accompanying drawing 1-7, a kind of automatic ejection type air valve that can be applied to spheroid inflation, it includes valve sleeve body 10, valve pocket
Being provided with to be additionally provided with regulation and control air cavity 140, gas injection air cavity 150 that central axis is parallel to each other, valve sleeve body 10 in body 10 is used for
Regulation and control air cavity 140, the gas passage a160 of gas injection air cavity 150, gas passage b170 are connected, the two ends of regulation and control air cavity 140 are run through
In valve sleeve body 10, the both ends open of regulation and control air cavity 140 is also to be slidably fitted with air inlet port, control pressure port, regulation and control air cavity 140
The valve element 40 that can be slided along the regulation and control central axial direction of air cavity 140, valve sleeve body 10 is also associated with for the sealed of locking spool 40
Mechanism 30, the both ends of gas injection air cavity 150 be respectively go back that shiding matching has in gas injection end, exhaust end, gas injection air cavity 150 can
The gas injection component 50 slided along its center axis, above-mentioned gas passage a160 one end is connected in the gas injection end of gas injection air cavity 150
Portion, the other end connect the inner chamber in regulation and control air cavity 140 and close on air inlet port, and above-mentioned gas passage b170 one end is connected
The inner chamber in regulation and control air cavity 140 is connected in the exhaust of gas injection air cavity 150 end, the other end and closes on air inlet port, gas passage
A160 and connection of the on-position relative to gas passage b170 and the inner chamber of regulation and control air cavity 140 of the inner chamber of regulation and control air cavity 140
Position is closer in the air inlet port of regulation and control air cavity 140.
Referring to accompanying drawing 2,3,5-8, valve element 40 includes the mandrel 410 with the regulation and control coaxial line of air cavity 140 arrangement, mandrel 410
External stability is socketed with ring set a420, the ring set b430 of coaxial line arrangement, and ring set a420 is arranged in mandrel 410 towards regulation and control
The suspension end of the air inlet port of air cavity 140, ring set b430 is arranged in the centre position of mandrel 410, and ring set a420 is along its center
When axis direction is slided, ring set a420 can barrier gas passage a160 and regulation and control air cavity 140 interface, ring set b430 is arranged at gas
Body passage a and regulation and control air cavity interface, gas passage b and between regulation and control air cavity interface during position, gas passage a, gas passage b
Connected respectively with ring set b430 two ends air cavity；The air-vent a420a for connecting its two sides cavity, mandrel are provided with ring set a420
The central exhaust port 410a along the extension of its center axis direction and one end open is provided with 410, central exhaust port 410a's
Radially extension and and central exhaust port are provided with the control pressure port of openend direction regulation and control air cavity 140, ring set a420
The bleeder port 420b that 410a is connected, bleeder port 420b only have one end open and its openend is towards gas injection air cavity 150；Valve element
40 also include being arranged at mandrel 410 towards the ring set c440 of the control pressure port side of regulation and control air cavity 140, are provided with ring set c440
The air-vent b440a of its two sides cavity is connected, ring set c440 center is additionally provided with to be connected with central exhaust port 410a
Stomata；The control pressure port of regulation and control air cavity 140, which has been connected through a screw thread in adjusting set 20, the central axial direction of adjusting set 20, to be set
The exhaust passage 210 for connecting the regulation and control inner chamber of air cavity 140 and outside atmosphere is equipped with, is pacified between the end of adjusting set 20 and ring set c440
Equipped with for promoting mandrel 410 towards the pressure-controling spring 450 of regulation and control air cavity 140 air inlet port direction motion；By adjusting regulation
The position that screws of set 20 and valve sleeve body 10, and change pressure-controling spring 450, valve element 40 position in regulation and control air cavity 140 so that valve element
40 overcome the resistance of pressure-controling spring 450 to realize that gas passage a is connected with valve element 40 or gas passage b connects what is done with valve element 40
Work(is different.
Referring to accompanying drawing 2,3,5-7,9-11, gas injection component 50 includes being slideably positioned in gas injection air cavity 150 and coaxial
The air tube seat 510 of line arrangement, the side that air tube seat 510 is vented end towards gas injection air cavity 150 is provided with coaxial line cloth
The needle tubing 520 put, air tube seat 510 is provided with prolonging for coaxial line arrangement towards a side of the gas injection end of gas injection air cavity 150
Stretch and be provided with stomata a510a that radially direction is disposed to extend and at least one end open, gas on axle 530, air tube seat 510
Hole b510b, stomata a510a, stomata b510b is separate and mutually disconnects, and is provided with air tube seat 510 along its center axis
Direction extends and for connecting stomata a510a, the gas channel of the inner chamber of needle tubing 520, the suspension end of outrigger shaft 530 is provided with
Radially direction is disposed to extend and at least stomata c530a of one end open, is additionally provided with outrigger shaft 530 along central shaft
Line direction is arranged and connects stomata c530a, stomata b510b central airway 530b, and the suspension end of outrigger shaft 530 is also socketed
Have and held one's breath ring set for promotion for blocking also to be socketed with outside the ring set 540 of holding one's breath at stomata c530a openings, outrigger shaft 530
540 suspend the gas-stopping spring 550 of end motion towards outrigger shaft 530, and ring set 540 of holding one's breath is along the central axis of outrigger shaft 530 towards pin
The direction of pipe 520 is moved and overcomes gas-stopping spring 550, and stomata c530a and gas injection air cavity 150 connection can be achieved.
Referring to accompanying drawing 2-7, it is additionally provided with gas injection air cavity 150 positioned at exhaust end and for connecting stomata a510a, gas
Hole b510b connection air drain 180, connects the diameter with diameter greater than gas injection air cavity 150 of air drain 180；Air tube seat 510 and gas injection gas
The inwall of chamber 150 matches so that stomata a, stomata b it is separate, mutually disconnect, when air tube seat 510 moves to gas injection gas
During the exhaust end of chamber 150, stomata a, stomata b can be connected by connecting air drain 180.
The pin hole matched with needle tubing 520, air tube seat, gas injection air cavity 150 are provided with the exhaust end of gas injection air cavity 150
The wall portion of gas injection end, enclose closed air cavity a between the inwall of gas injection air cavity 150, air tube seat, gas injection air cavity 150
It is vented between the wall portion of end, the inwall of gas injection air cavity 150 and encloses closed air cavity b, gas passage a160 is kept and air cavity a
On-state, gas passage b170 keeps and air cavity b on-state.
Referring to accompanying drawing 8, the cross sectional shape in the section portion between ring set b430, ring set c440 of mandrel 410 is non-circular geometry
Shape, such as the shape in the section can be rectangle, triangle, it is preferable that the cross sectional shape is rectangle.
Referring to accompanying drawing 1-8,12,13, be further opened with above-mentioned valve sleeve body perpendicular to regulation and control the central axis of air cavity 140 and
The gathering sill 190 connected with regulation and control air cavity 140, above-mentioned locking mechanism 30, including match with gathering sill 190 and can be along leading
The locking bar 310 slided to the guide direction of groove 190, the side that locking bar 310 is located at regulation and control air cavity 140 is socketed between ring set
Mandrel 410 between b430, ring set c440, the outside suspension end of locking bar 310 is provided with gland 320, the outside socket of locking bar 310
There is sealed bullet of shell, the other end of the one end against valve sleeve body 10 against gland 320 and for promoting locking bar 310 to flex outward
Spring 330, the section portion between ring set b430, ring set c440 of mandrel 410 offers and be provided with and lock on locked groove 410b, locking bar 310
The lock tooth 310a that groove 410b matches；More optimize, referring to accompanying drawing 12,13, locked groove 410b cross sectional shape is V-arrangement, and
Locked groove 410b trench bottom is provided with the braking step groove shunk towards the center of mandrel 410, and lock tooth 310a is that section is right angle
The closing piece of triangle, lock tooth 310a inclined side towards ring set b430, lock tooth 310a and locked groove 410b can limit mandrel 410 after
The continuous air inlet port direction movement towards regulation and control air cavity 140；Rocking for mandrel 410 can be avoided by setting braking step groove, also
The lock tooth 310a caused by the excessive elastic force of pressure-controling spring 450 can be avoided to be jumped out out of locked groove 410b and cause mandrel to continue direction
Regulate and control the air inlet port direction movement of air cavity 140.
The method that spheroid inflation is realized using above-mentioned automatic ejection type air valve, its step is included：
S1：Under original state, ring set b430 between gas passage a160 and the regulation and control interface of air cavity 140, gas passage b170 with
Between the interface for regulating and controlling air cavity 140, air cavity a is connected by gas passage a160 with regulation and control air cavity 140 inner chamber, and by being arranged at
Air-vent a420a on ring set a420, realizes that air cavity a and regulation and control air cavity 140 air inlet port are connected；Air cavity b is logical by gas
Road b170 is connected with regulation and control air cavity 140 inner chamber, and the air-vent b440a by being arranged on ring set c440, realizes air cavity b and tune
The pressure control end interface for controlling air cavity 140 is connected；
S2：The air inlet port of high-pressure air source Self-controlled air cavity 140 enters, and passes through the air-vent a on ring set a420, regulation and control air cavity
140 inner chambers, gas passage a160, are flowed into the air cavity a of gas injection air cavity 150；High-pressure air source promotes gas injection component 50 towards note
The exhaust end direction motion of gas air cavity 150, gas injection component 50 is in motion process so that in the air cavity b of gas injection air cavity 150
Compressed in space so that gas in air cavity b by gas passage b, regulation and control air cavity 140 inner chamber, be arranged at the saturating of ring set c440
Stomata b440a, the exhaust passage 210 for being arranged at the center of adjusting set 20 are discharged into outside atmosphere；
S3：The persistent movement of gas injection component 50 to gas injection air cavity 150 exhaust end top when, stomata a510a, stomata b510b
Connected by connecting air drain 180, and high-pressure air source promotes ring set 540 of holding one's breath to overcome the resistance of gas-stopping spring 550 and along extension
The exhaust end direction of the central axis of axle 530 towards gas injection air cavity 150 is moved so that stomata c530a open end and note
Gas air cavity 150 is connected, and the gases at high pressure in gas injection air cavity 150 enter through air passing hole c530a, stomata b510b, stomata a510a
Enter into the inner chamber of needle tubing 520, realize the automatic stretching of needle tubing 520, and charge operation can be proceeded by；
S4：When the atmospheric pressure value in inflated ball body reaches preset value, high-pressure air source will promote valve element 40 towards regulation and control air cavity 140
Control pressure port direction is moved, and realizes that ring set a420 blocks gas passage a160, at the same time, gas passage b170 and regulation and control gas
The inner chamber of chamber 140 is connected and high-pressure air source is by the air-vent a being arranged on ring set a, regulation and control air cavity 140 inner chamber, gas passage
B170 is entered in the air cavity b of gas injection air cavity 150, at the same time, gas passage a and bleeder port 420b, central exhaust port 410a,
Exhaust passage 210 is connected, and the air cavity a and outside atmosphere for realizing gas injection air cavity 150 are connected, and gases at high pressure are not present in air cavity a, make
Obtain gas-stopping spring 550 and promote the closure stomata of ring set 540 c530a that holds one's breath；
S5：In above-mentioned steps S4, the gases at high pressure being continuously applied are by the air cavity b for entering to gas injection air cavity 150 and by high pressure
The air tube seat 510 of gas push gas injection component 50 is discharged into air to contract, and by the gas in air cavity a, you can completed
The action of automatic accomodation needle tubing 520.
In above-mentioned step S4, valve element 40 towards regulation and control air cavity 140 control pressure port direction motion process in, triggering lock
Close mechanism 30 with it to match, realize the locking to locking mechanism 30 to valve element 40.
When completing rectification inflation work, it is only necessary to which automatic ejection type can be achieved in the gland 320 for pressing locking mechanism 30
The reset of air valve, in the process, locking bar 310 is vertically with the central axial direction of mandrel 410 to contract so that lock tooth 310a with
Locked groove 410b is disengaged from relation, in the presence of pressure-controling spring 450, promotes valve core reset.
More perfectly, the air inlet port of regulation and control air cavity 140 is threaded with spiral cover 110, more specifically, regulates and controls air cavity
140 air inlet port is also threaded with adapter sleeve 120, and the spiral of spiral cover 110 is connected to the suspension end of adapter sleeve 120, connection
Cover 120 centers be provided with extend to regulation and control the inner chamber of air cavity 140 and for limit valve element 40 towards regulation and control air cavity 140 air inlet
The limited post of port motion, its act on be in order to avoid valve element 40 departs from the presence of pressure-controling spring 450, and can be with
Determine the original state of valve element 40.
More perfectly, the gas injection of gas injection air cavity 150 it is open-ended setting and the place of opening is threaded with end cap 130,
Can be set on end cap 130 has suspension ring；It is easy to the handling of gas injection component 50 by dismantling end cap 130.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention；
A variety of modifications to these embodiments will be apparent for those skilled in the art, defined in the present invention
General Principle can not depart from the present invention spirit or scope in the case of, realize in other embodiments.Therefore, originally
Invention will not be defined to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty
Consistent most wide scope.
Claims (5)
1. a kind of automatic ejection type air valve that can be applied to spheroid inflation, it is characterised in that it includes setting in valve sleeve body, valve sleeve body
It is equipped with regulation and control air cavity, gas injection air cavity that central axis is parallel to each other, valve sleeve body and is additionally provided with for connecting regulation and control air cavity, gas injection
The gas passage a of air cavity, gas passage b, regulate and control the two ends of air cavity through valve sleeve body, the both ends open of regulation and control air cavity is air inlet
The valve element that can be slided along regulation and control air cavity central axial direction, valve sleeve body are also slidably fitted with port, control pressure port, regulation and control air cavity
The locking mechanism for locking spool is also associated with, the both ends of gas injection air cavity are respectively gas injection end, exhaust end, gas injection gas
Shiding matching is gone back in chamber the gas injection component that can be slided along its center axis, and above-mentioned gas passage a one end is connected in gas injection gas
The gas injection end of chamber, the other end connect the inner chamber in regulation and control air cavity and close on air inlet port, above-mentioned gas passage b one end
Connect and be vented end, the other end in gas injection air cavity and connect the inner chamber in regulation and control air cavity and close on air inlet port, gas passage a with
The on-position of the inner chamber of regulation and control air cavity is relative to gas passage b and the on-position of the inner chamber of regulation and control air cavity closer in regulation and control
The air inlet port of air cavity；
Valve element includes the mandrel with regulation and control air cavity coaxial line arrangement, and the external stability of mandrel is socketed with the ring of coaxial line arrangement
A, ring set b are covered, ring set a is arranged in mandrel towards the suspension end of the air inlet port of regulation and control air cavity, and ring set b is arranged in mandrel
Between position, ring set a along its center axis direction slide when, ring set a can barrier gas passage a with regulation and control air cavity interface, ring set b
It is arranged at gas passage a and regulation and control air cavity interface, gas passage b and between regulation and control air cavity interface during position, gas passage a,
Gas passage b is connected with ring set b two ends air cavity respectively；The air-vent a for connecting its two sides cavity, mandrel are provided with ring set a
The central exhaust port along the extension of its center axis direction and one end open is inside provided with, the openend direction of central exhaust port is adjusted
The bleeder port for being provided with the control pressure port of air cavity, ring set a and radially extending and being connected with central exhaust port is controlled, is lost heart
Hole only has one end open and its openend is towards gas injection air cavity；Valve element also includes being arranged at mandrel towards the pressure control of regulation and control air cavity
The air-vent b for connecting its two sides cavity is provided with the ring set c of port side, ring set c, ring set c center is additionally provided with
The stomata being connected with central exhaust port；The control pressure port of regulation and control air cavity has been connected through a screw thread adjusting set, the center of adjusting set
The exhaust passage for connecting regulation and control air cavity inner chamber and outside atmosphere is provided with axis direction, exhaust passage is vented with center all the time
Hole, the air-vent b for being arranged at ring set c are remained up, and are provided between the end of adjusting set and ring set c for promoting mandrel direction
Regulate and control the pressure-controling spring of air cavity air inlet port direction motion；
Gas injection component includes being slideably positioned in gas injection air cavity and the air tube seat of coaxial line arrangement, and air tube seat is towards gas injection gas
One side of chamber exhaust end is provided with the needle tubing of coaxial line arrangement, the one end of air tube seat towards gas injection air cavity gas injection end
Side be provided with the outrigger shaft of coaxial line arrangement, air tube seat be provided with it is that radially direction is disposed to extend and at least one
The stomata a of end opening, stomata b, stomata a, stomata b are separate, are provided with air tube seat along the extension of its center axis direction simultaneously
And for connecting the gas channel of stomata a, syringe intracavity, the suspension end of outrigger shaft is provided with radially direction and is disposed to extend
And it is additionally provided with least stomata c of one end open, outrigger shaft and stomata c, gas is arranged and connected along its center axis direction
Hole b central airway, the suspension end of outrigger shaft is also socketed with for blocking outside the ring set of holding one's breath at stomata c openings, outrigger shaft
Portion is also socketed with the gas-stopping spring for promoting ring set direction extension axle suspension end motion of holding one's breath；Ring set hold one's breath along outrigger shaft center
Axis moves towards needle tubing direction and overcomes gas-stopping spring, and stomata c and gas injection air cavity connection can be achieved；
It is additionally provided with gas injection air cavity positioned at exhaust end and the connection air drain for connecting stomata a, stomata b, connects air drain
The diameter with diameter greater than gas injection air cavity；
It is provided with the pin hole matched with needle tubing on the exhaust end of gas injection air cavity, air tube seat, the gas injection end of gas injection air cavity
Closed air cavity a, air tube seat, the wall portion of the exhaust end of gas injection air cavity, gas injection are enclosed between wall portion, the inwall of gas injection air cavity
Closed air cavity b is enclosed between the inwall of air cavity, gas passage a keeps the on-state with air cavity a, and gas passage b is kept
With air cavity b on-state；
The cross sectional shape in mandrel section portion between ring set b, ring set c is non-circular geometry；Also opened on above-mentioned valve sleeve body
Provided with the gathering sill connected perpendicular to regulation and control air cavity central axis and with regulation and control air cavity；
Wherein locking mechanism, its locking bar that includes matching with gathering sill and can be slided along gathering sill guide direction, locking bar position
The mandrel between ring set b, ring set c is socketed in a side of regulation and control air cavity, the outside suspension end of locking bar is provided with gland,
The outside of locking bar is socketed with one end against the shell of valve sleeve body, the other end against gland and for promoting what locking bar was flexed outward
Sealed spring, mandrel section portion between ring set b, ring set c offers the lock for being provided with and matching with locked groove on locked groove, locking bar
Tooth；
It is provided with the air inlet port of above-mentioned regulation and control air cavity for limiting the locating part that valve element is moved towards air inlet port, ring set
When a offsets with locating part, interfaces, gas passage b and regulation and control air cavity of the ring set b between gas passage a and regulation and control air cavity may be such that
Interface between, air cavity a is connected by gas passage a with regulation and control air cavity inner chamber, and the air-vent a by being arranged on ring set a,
Realize that air cavity a and regulation and control air cavity air inlet port are connected；Air cavity b is connected by gas passage b with regulation and control air cavity inner chamber, and is passed through
The air-vent b on ring set c is arranged at, realizes that air cavity b and regulation and control air cavity exhaust passage are connected.
2. a kind of automatic ejection type air valve that can be applied to spheroid inflation according to claim 1, it is characterised in that regulation and control
The air inlet port of air cavity is also threaded with adapter sleeve, and spiral cover spiral is connected to the suspension end of adapter sleeve,
Above-mentioned locating part is the limited post for being arranged at adapter sleeve center, and limited post is extended in regulation and control air cavity and along regulation and control
The central axial direction extension of air cavity, limited post is used to limit air inlet port motion of the valve element towards regulation and control air cavity.
3. a kind of automatic ejection type air valve that can be applied to spheroid inflation according to claim 1 or 2, it is characterised in that
The cross sectional shape of locked groove is V-arrangement, and the trench bottom of locked groove is provided with the braking step groove shunk towards mandrel center, locks tooth
For the closing piece that section is right angled triangle, the inclined side of tooth is locked towards ring set b, lock tooth can limit mandrel with locked groove and continue direction
Regulate and control the air inlet port direction movement of air cavity.
4. a kind of automatic ejection type air valve that can be applied to spheroid inflation according to claim 1 or 2, it is characterised in that
The cross sectional shape in mandrel section portion between ring set b, ring set c is rectangle or triangle.
5. a kind of automatic ejection type air valve that can be applied to spheroid inflation according to claim asks 1 or 2, its feature exists
It is threaded with to can be set on end cap, end cap in the open-ended setting of the gas injection of, gas injection air cavity and the place of opening and there are suspension ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371592.1A CN106949281A (en) | 2017-05-24 | 2017-05-24 | A kind of automatic ejection type air valve that can be applied to spheroid inflation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371592.1A CN106949281A (en) | 2017-05-24 | 2017-05-24 | A kind of automatic ejection type air valve that can be applied to spheroid inflation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106949281A true CN106949281A (en) | 2017-07-14 |
Family
ID=59480009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710371592.1A Withdrawn CN106949281A (en) | 2017-05-24 | 2017-05-24 | A kind of automatic ejection type air valve that can be applied to spheroid inflation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949281A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249695A (en) * | 2020-02-19 | 2020-06-09 | 重庆三峡学院 | Efficient volleyball inflation device for physical training |
-
2017
- 2017-05-24 CN CN201710371592.1A patent/CN106949281A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249695A (en) * | 2020-02-19 | 2020-06-09 | 重庆三峡学院 | Efficient volleyball inflation device for physical training |
| CN111249695B (en) * | 2020-02-19 | 2021-03-23 | 重庆三峡学院 | Efficient volleyball inflation device for physical training |
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Application publication date: 20170714 |
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