CN209278566U - A kind of unidirectional charge valve - Google Patents

Abstract

The utility model discloses a kind of unidirectional charge valve, including valve seat (1) and spool, valve seat (1) includes hollow cover for seat (11) and locating rack (2), locating rack (2) setting is in the cover for seat (11), spool includes rotating seat (3), movable stand (4) and diaphragm seal (5), the rotating seat (3) is mounted on the locating rack (2), the rotating seat (3) and the locating rack (2) are equipped with venthole up and down, the rotating seat (3) is threadedly coupled with the movable stand (4), the diaphragm seal (5) is mounted on the movable stand (4) bottom, the rotating seat (3) drives the movable stand (4) to move up and down when rotating, it is adjacent to the diaphragm seal (5) or far from the cover for seat (11) lower end.The unidirectional charge valve of the utility model is ingenious in design, and each part cooperation is exquisite, and the sealing performance and inflation/deflation convenience of inflation appliance greatly improved in sealed reliable, has very high practical value.

Description

A kind of unidirectional charge valve

Technical field

The utility model relates to charge valve fields, and in particular to a kind of unidirectional charge valve.

Background technique

Charge valve is the important part of inflation appliance, is used to carry out inflation/deflation to inflation appliance, in the prior art charge valve It is made of valve seat and bonnet, valve seat has gas passage, and bonnet blocks channel when closing, seals charge valve, in inflation/deflation Then opening bonnet makes gas circulate.The charge valve of this structure is closed and is beaten by opening and closing the gas passage that bonnet is realized It opens, can only be switched under bidirectional fluid or completely closed state, and bonnet opening and closing operation is more troublesome, is easy closure not In place, leakproofness is influenced, gas leakage is easy to happen, keeps inflation appliance tolerance insufficient, influences user experience.

In view of the above drawbacks, the utility model creator obtains originally practical new finally by prolonged research and practice Type.

Utility model content

To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, provides a kind of unidirectional charge valve, wraps Valve seat and spool are included, the valve seat includes hollow cover for seat and locating rack, and the locating rack is arranged in the cover for seat, the valve Core includes rotating seat, movable stand and diaphragm seal, and the rotating seat is mounted on the locating rack, the rotating seat and the positioning It is provided with venthole up and down, the rotating seat (3) is threadedly coupled with the movable stand (4), and the diaphragm seal is mounted on The movable stand bottom, the rotating seat drive the movable stand to move up and down when rotating, and are adjacent to the diaphragm seal or separate The cover for seat lower end.

Further, the cover for seat top is equipped with connection sheet, and described connection sheet one end is connect with valve deck, and the valve deck includes Capping and lid, the lid can be bonded with the inner wall of the rotating seat, and the capping is equipped with the drawing for being used to open the valve deck Piece.

Further, the cover for seat outer wall is equipped with skirt, and the cover for seat bottom interval is disposed with multiple gears extended downwardly Piece.

Further, there are outwardly extending flange (33) at the top of the rotating seat (3), the edge of the flange (33) is Wavy shaped configuration.

Further, there is the first hollow locating ring, the rotating seat has hollow second in the middle part of the locating rack Locating ring, first locating ring are socketed in outside second locating ring.

Further, second locating ring has the second through-hole, and the wall surface of second through-hole is equipped with internal screw thread, described Movable stand includes mobile bar and bottom plate, and the mobile bar is equipped with external screw thread, the mobile bar enter second through-hole with it is described It is formed and is threadedly coupled between second locating ring.

Further, the bottom plate is equipped with mounting hole, and the diaphragm seal is equipped with the mounting post to raise upward, the mounting post Top has mounting head, and the mounting post, which passes through the mounting hole, is fastened on the bottom of the mounting head on the bottom plate.

Further, the edge of the diaphragm seal (5) is at upward or bulge-structure.

Further, the rotating seat is equipped with the pressing ring for compressing the rotating seat, and the pressing ring is logical with third Hole, the mobile bar pass through the third through-hole, and the mobile bar two sides have flat position, and the third through-hole is and the movement The kidney slot that the shape of bar matches.

Further, it is equipped with the end cap for limiting the downward shift length of the movable stand at the top of the movable stand, works as institute It states movable stand and is moved downward to defined position, the cover rim of the end cap blocks at the top of the pressing ring.

Compared with the prior art the utility model has the beneficial effects that:

The unidirectional charge valve of the utility model is moved up and down by diaphragm seal, and one-way sealing may be implemented and two-way circulate it Between switching, when one-way sealing, diaphragm seal is adjacent to cover for seat bottom, and outer gas stream enters charge valve from the top down, and air-flow can push up It opens diaphragm seal, opens gas passage and realize inflation, when external airless, gas extrusion diaphragm seal inside inflation appliance is closed Close gas passage, the charge valve of this structure in inflated condition can only one-way air inlet, having no need to change valve state can be straight Inflation is connect, it is easy to operate, late gate automatic-sealed is inflated, prevents gas from leaking, can guarantee tolerance abundance；Rotation is rotated when deflation Swivel base makes diaphragm seal and cover for seat lower end generate gap, and gas passage is opened, and gas is discharged from charge valve, is rotated by rotation Gap size between the adjustable diaphragm seal of seat and cover for seat rotates backward rotation to control deflation speed after the completion of deflating Seat can make diaphragm seal close gas passage, be restored to one-way sealing state, simple to operate, capacity is controllable, Bu Huifa Raw leakage.The unidirectional charge valve of the utility model is ingenious in design, and each part cooperation is exquisite, and inflation greatly improved in sealed reliable The sealing performance and inflation/deflation convenience of articles have very high practical value.

Detailed description of the invention

It, below will be to institute in embodiment description in order to illustrate more clearly of the technical solution in various embodiments of the utility model Attached drawing to be used is needed to be briefly described.

Fig. 1 is the explosive view of the unidirectional charge valve of the utility model；

Fig. 2 is the top view of the utility model valve seat；

Fig. 3 is the cross-sectional view of the utility model valve seat；

Fig. 4 is the top view of the utility model rotating seat；

Fig. 5 is the cross-sectional view of the utility model rotating seat；

Fig. 6 is the perspective view of the utility model movable stand；

Fig. 7 is the top view of the utility model movable stand；

Fig. 8 is the structure chart of the utility model diaphragm seal；

Fig. 9 is the top view of the utility model pressing ring；

Figure 10 is the cross-sectional view of the utility model end cap；

Figure 11 is the cross-sectional view of the unidirectional charge valve of the utility model.

Digital representation in figure:

1- valve seat, 11- cover for seat, the skirt 12-, 13- baffle, 14- connection sheet, 2- locating rack, the first locating ring of 21-, 22- One rib, 23- first through hole, the first stabilizer blade of 24-, 3- rotating seat, the second locating ring of 31-, the second rib of 32-, 33- flange, 34- Second through-hole, the second stabilizer blade of 35-, 4- movable stand, 41- mobile bar, 42- bottom plate, 43- mounting hole, 44- rod aperture, 5- diaphragm seal, 51- mounting post, 52- mounting head, 6- pressing ring, 61- third through-hole, 7- end cap, 71- cap bore, 8- valve deck, 81- capping, 82- lid, 83- pulling-on piece

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.In addition, in the utility model What is be previously mentioned in embodiment is related to directionality instruction (such as up, down, left, right, before and after ...), then directionality instruction is only used In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.

All directions or positional relationship are the position based on attached drawing in the text being previously mentioned in the embodiments of the present invention Relationship is set, only for facilitating description the utility model and simplifying description, rather than implies or imply signified device or element The specific orientation that must have, should not be understood as limiting the present invention.If being related in the utility model embodiment The description of " first ", " second " etc., then the description for being somebody's turn to do " first ", " second " etc. is used for description purposes only, and should not be understood as referring to Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result, Two " feature can explicitly or implicitly include at least one of the features.

The utility model provides a kind of unidirectional charge valve, is suitable for the inflation appliances such as inflatable pillow, inflatable cushion, air mattress.Knot It closes shown in Fig. 1, the unidirectional charge valve includes valve seat 1 and the spool that is mounted in valve seat 1, and spool includes successively filling from top to bottom End cap 7, pressing ring 6, rotating seat 3, movable stand 4 and the diaphragm seal 5 matched.In conjunction with shown in Fig. 2 and Fig. 3, valve seat 1 includes cover for seat 11, determines Position frame 2 and valve deck 8,11 boring of cover for seat, locating rack 2 are embedded in the wall surface of cover for seat 11, are fixedly connected between cover for seat 11.Cover for seat 11 outer walls are equipped with skirt 12, are used for unidirectional charge valve location and installation on inflation appliance.Valve deck 8 has certain sealing function, It requires first to open valve deck 8 when unidirectionally charge valve is inflated for deflated, then carries out inflation/deflation operation.

Preferably, 11 top of cover for seat is equipped with connection sheet 14, cover for seat 11 is connect with valve deck 8 by connection sheet 14, prevents valve Lid 8 is lost.There is recessed bending part, connection sheet 14 can curve fold here, open or close in the middle part of connection sheet 14 Close valve deck 8.

Preferably, valve deck 8 includes capping 81 and lid 82, lid 82 can be bonded with the inner wall of spool, and 82 outer wall of lid is set There is the anti-skidding muscle of protrusion, guarantees that valve deck 8 is closed reliably.

Preferably, capping 81 is equipped with the pulling-on piece 83 extended towards outside, convenient for operator, when opening valve deck 8, application is acted on Power, knob are equipped with the rib of protrusion, can increase frictional force.

The first hollow locating ring 21 is equipped in the middle part of locating rack 2, the first locating ring 21 has first through hole 23, the first positioning It encloses 21 outer walls and is uniformly arranged three the first stabilizer blades 24 for being used to support the first locating ring 21, formed between the first stabilizer blade 24 and passed through up and down Logical venthole.In other embodiments, the quantity of the first stabilizer blade 24 can be 2-8, can also by way of supporting plate branch The first locating ring 21 is supportted, guarantees that 2 bottom of locating rack has venthole.In conjunction with shown in Fig. 4 and Fig. 5, it is equipped in the middle part of rotating seat 3 The second hollow locating ring 31,31 outer wall of the second locating ring are uniformly arranged three the second stabilizer blades for being used to support the second locating ring 31 35, venthole up and down is formed between the second stabilizer blade 35.In other embodiments, the quantity of the second stabilizer blade 35 can be 2- 8, the second locating ring 31 can also be supported by way of supporting plate, guarantee that 3 bottom of rotating seat has venthole.Rotating seat 3 are mounted on locating rack 2, are socketed in the first locating ring 21 outside second locating ring 31.The inner wall at 21 top of the first locating ring Equipped with the first rib 22 extended inwardly, the outer wall of 31 bottom of the second locating ring the second rib 32 with outward extension, Two ribs 32 have guiding surface, and 31 stress of the second locating ring is squeezed into first through hole 23, the first rib 22 and the second rib Contact forms snap-in structure between 32, and the position of the second locating ring 31 is fixed, and completes the assembly of rotating seat 3 and locating rack 2.The Two locating rings 31 can rotate in first through hole 23, and in rotation process, the gas via-hole on locating rack 2 and rotating seat 3 will not be complete Complete closure guarantees there is the gas passage that can be circulated always in valve body.

In conjunction with shown in Fig. 6 and Fig. 7, movable stand 4 and rotating seat 3 are assembled, and movable stand 4 includes mobile bar 41 and bottom plate 42, rotation There is the second through-hole 34, mobile bar 41 enters the second through-hole 34, and the second through-hole 34 is interior in the middle part of second locating ring 31 of swivel base 3 Wall is equipped with internal screw thread, and mobile bar 41 is equipped with external screw thread, is threadedly coupled formation between movable stand 4 and rotating seat 3.3 turns of rotating seat When dynamic, mobile bar 41 is moved up and down by threaded function, i.e., movable stand 4 can be driven to move up and down by rotating rotating seat 3.

Preferably, the top of rotating seat 3 has outwardly extending flange 33, rotating seat 3, flange 33 are rotated convenient for operator Edge be wavy shaped configuration, can increase frictional force when rotation, prevent from skidding.

Mobile bar 41 is hollow structure, has rod aperture 44, is equipped with mounting hole 43 in the middle part of bottom plate 42, the aperture of mounting hole 43 is small In the aperture of rod aperture 44.As shown in connection with fig. 8, it is equipped with the mounting post 51 to raise upward in the middle part of diaphragm seal 5, has at the top of mounting post 51 Mounting head 52, mounting post 51, which passes through mounting hole 43, is fastened on the bottom of mounting head 52 on bottom plate 42, and diaphragm seal 5 is fixed on shifting In moving frame 4.Preferably, mounting head 52 and mounting hole 43 are pyramidal structure, it is easily installed first 52 and is filled into mounting hole 43 Match, this mounting structure keeps diaphragm seal 5 easy to loading and unloading, can quickly more when 5 aging of diaphragm seal influences charge valve sealing performance It changes.

Diaphragm seal 5 can follow movable stand 4 to move up and down, be adjacent to or far from cover for seat 11 lower end.Diaphragm seal 5 is rubber material Material has good deformation nature and leakproofness, when diaphragm seal 5 and 11 lower end of cover for seat are adjacent to can one-way sealing charge valve, The intracorporal air flue of valve is set only to ventilate from the top down；Movable stand 4 moves down, and diaphragm seal 5 and 11 lower end of cover for seat generate gap, exposes The venthole of locating rack 2 and rotating seat 3 makes air flue in valve body have full communication between the higher and lower levels.

Preferably, the edge of diaphragm seal 5 at be upturned or protrusion structure, because of the deformation easy to damage of 5 edge of diaphragm seal, It is easy from edge gas leakage, this structure can reinforce the sealing performance at 5 edge of diaphragm seal, it is reliable to further enhance valve seal Property.

Preferably, 42 edge of bottom plate has support chip, it is possible to reduce 5 deformation of diaphragm seal increases service life.11 bottom of cover for seat Portion's arranged for interval has multiple baffles 13 extended downwardly, forms stomata between each baffle 13, and baffle 13 limits diaphragm seal 5 can only be into Row moves up and down, and prevents diaphragm seal 5 from falling off, and when unidirectional charge valve is deflated, air-flow can enter valve body from the stomata between baffle 13, Reduce impact of the air-flow to diaphragm seal 5.

As shown in connection with fig. 9, a pressing ring 6 is installed above the second locating ring 31, for compressing rotating seat 3,6 bottom of pressing ring is equipped with With the matched groove in 31 top surface of the second locating ring, assembled convenient for the positioning of pressing ring 6.Pressing ring 6 has third through-hole 61, third through-hole 61 Shape be kidney slot, 41 two sides of mobile bar have flat bit architecture, and shape and the third through-hole 61 of mobile bar 41 match.Pressing ring After 6 installations, mobile bar 41 passes through third through-hole 61 and by rotary spacing, prevents mobile bar 41 from rotating seat 3 being followed to rotate, guarantees Rotation rotating seat 3 can drive mobile bar 41 to move up and down.

As shown in connection with fig. 10, end cap 7 is equipped at the top of movable stand 4, end cap 7 is equipped with hollow cap bore 71, and end cap 7 is made to have one Fixed deformability, the rod aperture 44 that the lower part stress of end cap 7 is squeezed into mobile bar 41 complete assembly.End cap 7 is for limiting shifting Moving frame 4 prevents 3 rotational angle of rotating seat from crossing ambassador's mobile bar 41 and the disengaging of the second locating ring 31 to the distance of bottom offset.Work as shifting Moving frame 4 is moved downward to defined position, and the cover rim of end cap 7 can block the top of pressing ring 6, prevent rotating seat 3 from continuing to rotate.

It is the cross-sectional view after each component assembly of check valve charge valve in conjunction with shown in Figure 11, locating rack 2 is embedded in cover for seat 11 Interior, rotating seat 3 is mounted on locating rack 2 and is fixed by pressing ring 6, and movable stand 4 is threadedly coupled with rotating seat 3, is driven by rotating seat 3 Dynamic to move up and down, movable stand 4 installs end cap 7 and carries out mobile limit, and diaphragm seal 5 is installed in 4 bottom of movable stand, by movable stand 4 Lower movement makes valve body realize switching between one-way ventilating and two-way ventilation.Unidirectional charge valve in air-tight state, diaphragm seal 5 with 11 bottom of cover for seat is adjacent to, and valve deck 8 is closed, and inflation appliance internal gas withstands diaphragm seal 5 upwards, and diaphragm seal 5 is dual close with valve deck 8 Envelope prevents gas from leaking out.When needing to inflate, it is lifted up pulling-on piece 83 and opens valve deck 8, alignment valve body inputs gas from the top down, Air-flow opens diaphragm seal 5 after the venthole on rotating seat 3 and locating rack 2, opens gas passage and realizes charge operation, when outer When portion's airless, gas extrusion diaphragm seal 5 inside inflation appliance is closed gas passage, the charge valve of this structure exists automatically When inflated condition can only one-way air inlet, having no need to change valve state can directly inflate, easy to operate, and inflation late gate is automatic Sealing, prevents gas from leaking, and can guarantee tolerance abundance.When inflation appliance needs to deflate, rotating seat 3 is rotated by flange 33, Driving movable stand 4 moves down, and diaphragm seal 5 and 11 lower end of cover for seat is made to generate gap, and gas passage is opened, gas from baffle 13 it Between stomata enter through the venthole discharge of locating rack 2 and rotating seat 3, pass through the rotation adjustable diaphragm seal 5 of rotating seat 3 Rotating seat 3 is rotated backward after the completion of deflating, can make to seal to control deflation speed with the gap size between cover for seat 11 Piece 5 closes gas passage, is restored to one-way sealing state, simple to operate, capacity is controllable, will not leak.This reality Ingenious in design with novel unidirectional charge valve, each part cooperation is exquisite, and the leakproofness of inflation appliance greatly improved in sealed reliable There can be very high practical value with inflation/deflation convenience.

The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and It is unrestricted.Those skilled in the art understand that can be to it in the spirit and scope defined by the utility model claims Many changes, modifications, and even equivalents are carried out, but all will fall within the protection scope of the utility model.

Claims (10)

1. a kind of unidirectional charge valve, which is characterized in that including valve seat (1) and spool, the valve seat (1) includes hollow cover for seat (11) with locating rack (2), in the cover for seat (11), the spool includes rotating seat (3), moves for locating rack (2) setting Frame (4) and diaphragm seal (5), the rotating seat (3) are mounted on the locating rack (2), the rotating seat (3) and the locating rack (2) it is equipped with venthole up and down, the rotating seat (3) is threadedly coupled with the movable stand (4), diaphragm seal (5) peace Mounted in the movable stand (4) bottom, the rotating seat (3) drives the movable stand (4) to move up and down when rotating, and makes the sealing Piece (5) is adjacent to or far from the cover for seat (11) lower end.

2. unidirectional charge valve as described in claim 1, which is characterized in that cover for seat (11) top is equipped with connection sheet (14), Described connection sheet (14) one end is connect with valve deck (8), and the valve deck (8) includes capping (81) and lid (82), the lid (82) it can be bonded with the inner wall of the rotating seat (3), the capping (81) is equipped with the pulling-on piece for being used to open the valve deck (8) (83)。

3. unidirectional charge valve as claimed in claim 2, which is characterized in that cover for seat (11) outer wall is equipped with skirt (12), institute It states cover for seat (11) bottom interval and is disposed with multiple baffles (13) extended downwardly.

4. unidirectional charge valve as claimed in claim 2, which is characterized in that have at the top of the rotating seat (3) outwardly extending Flange (33), the edge of the flange (33) are wavy shaped configuration.

5. the unidirectional charge valve as described in claim 1-4 is any, which is characterized in that have in the middle part of the locating rack (2) hollow The first locating ring (21), the rotating seat (3) has hollow the second locating ring (31), first locating ring (21) socket It is external in second locating ring (31).

6. unidirectional charge valve as claimed in claim 5, which is characterized in that second locating ring (31) has the second through-hole (34), the wall surface of second through-hole (34) is equipped with internal screw thread, and the movable stand (4) includes mobile bar (41) and bottom plate (42), The mobile bar (41) is equipped with external screw thread, and the mobile bar (41) enters second through-hole (34) and second locating ring (31) it is formed and is threadedly coupled between.

7. unidirectional charge valve as claimed in claim 6, which is characterized in that the bottom plate (42) is equipped with mounting hole (43), described Diaphragm seal (5) is equipped with the mounting post (51) to raise upward, has mounting head (52) at the top of the mounting post (51), the mounting post (51) passing through the mounting hole (43) is fastened on the bottom of the mounting head (52) on the bottom plate (42).

8. unidirectional charge valve as claimed in claim 7, which is characterized in that the edge of the diaphragm seal (5) is at upward or raised Structure.

9. unidirectional charge valve as claimed in claim 6, which is characterized in that the rotating seat (3) is equipped with described for compressing The pressing ring (6) of rotating seat (3), the pressing ring (6) have third through-hole (61), and the mobile bar (41) passes through the third through-hole (61), mobile bar (41) two sides have flat position, and the third through-hole (61) is the shape phase with the mobile bar (41) The kidney slot matched.

10. unidirectional charge valve as claimed in claim 9, which is characterized in that be equipped at the top of the movable stand (4) for limiting The end cap (7) for stating the downward shift length of movable stand (4), when the movable stand (4) is moved downward to defined position, the end cap (7) cover rim blocks at the top of the pressing ring (6).