CN206275546U - Blowout prevention water cup - Google Patents

Abstract

A kind of blowout prevention water cup, including：Cup body, with rim of a cup and the inner chamber for connecting rim of a cup；Cup lid, is sealedly attached at the rim of a cup, and suction pipe mounting hole is formed on the cup lid；Return-air hole, at least one, the return-air hole is to take shape in through hole on the cup lid, connecting the inner chamber and the external world；Suction pipe, it is arranged in the suction pipe mounting hole, the top of the suction pipe extends to the cup lid top, bottom extends to the intracavity bottom, the suction pipe inner sealing has trimmer valve, the trimmer valve includes Natural closure state, and the connected state when the pressure differential of the trimmer valve both sides reaches the first setting value；The suction pipe along its it is axially arranged have at least one cushion chamber connected with the suction pipe, the cross-sectional area of the cross-sectional area more than suction pipe below of the cushion chamber.The blowout prevention water cup that the utility model is provided, by the combination of trimmer valve and cushion chamber, when effectively prevent splendid attire hot water in cup, easily sprays the problem of hot water post in suction pipe.

Description

Blowout prevention water cup

Technical field

The utility model is related to daily living article technical field, and in particular to a kind of blowout prevention water cup.

Background technology

At present, in the market has suction tube type portable cup miscellaneous, is quoted by suction pipe and not only facilitate but also be difficult to splash, but It is most of suction pipe type water cups after hot water is contained, air pressure gradually rises with the vapor of continuous evaporation in cup, easily makes Hot water influxs pipette tip ejection from suction pipe bottom submerged in water in cup, although offering return-air on the rim of a cup of cup Hole, but when hot water temperature is too high in cup, air pressure is excessive, and return-air hole by cup lid close or the excretion of air self-returning hole insufficient pressure To balance during cup inner and outer air pressure, hot water will be spouting from suction pipe, brings inconvenience and even scald.

Therefore, Chinese patent literature CN205251127 discloses a kind of blowout prevention water cup suction pipe head, including suction pipe and setting In the check (non-return) valve of suction pipe oral area, the oral area of suction pipe can deform and recover automatically when external force disappears when being extruded by external force, only Inverse valve is made up of the downward-sloping D-shaped diaphragm seal of the two panels being oppositely arranged, and the arc-shaped side of two panels D-shaped diaphragm seal is fixed on suction pipe Inwall, the straight flange of two panels D-shaped diaphragm seal contacts with each other and is pressed against each other, and in drinking-water, gently extruding suction pipe oral area makes suction pipe mouthful Portion deforms, and D-shaped diaphragm seal is separated from each other, and check (non-return) valve is opened can be sucked, and after unclamping suction pipe oral area, check (non-return) valve recovers to sealed shape State.However, the prior art is in actual use, the hardness and thickness and valve of the silica gel used by valve The influence of the factor such as size incision, cause valve mass barely satisfactory, self-straw bottom is often swarmed the big hot water post for coming and is squeezed Small hot water post is pressed into, causes the hot water post ratio of injection not have valvular higher, farther, can not well solve suction pipe type water cup Contain the water spray problem after hot water.

Utility model content

Therefore, the technical problems to be solved in the utility model is to overcome suction pipe type water cup in the prior art to contain hot water to hold Easily there is the defect of water spray, so as to provide a kind of safe and reliable blowout prevention water cup.

The technical solution adopted in the utility model is as follows：

A kind of blowout prevention water cup, including：Cup body, with rim of a cup and the inner chamber for connecting rim of a cup；Cup lid, is sealedly attached to described At rim of a cup, suction pipe mounting hole is formed on the cup lid；Return-air hole, at least one, the return-air hole is to take shape in the cup lid On, connect the inner chamber with the through hole in the external world；Suction pipe, is arranged in the suction pipe mounting hole, and the top of the suction pipe extends To cup lid top, bottom extends to the intracavity bottom, and the suction pipe inner sealing has trimmer valve, and the trimmer valve is included certainly Right closure state, and the connected state when the pressure differential of the trimmer valve both sides reaches the first setting value；The suction pipe edge Its axially arranged cross-sectional area for having at least one cushion chamber connected with the suction pipe, the cushion chamber is more than suction pipe below Cross-sectional area.

The trimmer valve is located at the bottom mouth of pipe of the suction pipe；At least one cushion chamber is located at the trimmer valve Top is simultaneously set near the trimmer valve.

The cushion chamber is the circular cylindrical cavity being coaxially disposed with the suction pipe.

The trimmer valve is cross silica gel valve block.

The suction pipe at least partially bend pipe.

The curved pipe that the suction pipe generally bends along horizontal same direction.

The suction pipe includes the upper suction pipe and lower suction pipe of upper-lower seal connection；The bottom of the upper suction pipe is located at the suction pipe In mounting hole, the lower suction pipe is the curved pipe bent along horizontal same direction.

The cup lid is sealedly attached to the rim of a cup top, and the cup lid forms sky of the opening towards the rim of a cup Chamber, the part surface of the cup lid is recessed the upper suction pipe holding tank to be formed perpendicular to the rim of a cup towards the cavity, it is described on The suction pipe mounting hole is formed on the bottom land of suction pipe holding tank.

Return-air hole described at least one is formed on the bottom land of the upper suction pipe holding tank.

Also include can the cup lid folding is set relatively enclosing cover, described in the enclosing cover can be controlled by its opening and closing movement The break-make of the inner flow passage of upper suction pipe.

The upper end of the upper suction pipe is set beyond the cup lid, and the upper suction pipe is resiliency flexible pipe, the upper suction pipe Can be when being compressed by the enclosing cover, to bending in the upper suction pipe holding tank closing on described beyond the part of the cup lid The inner flow passage of suction pipe, when compressing power elimination, is close to spring return deformation to open in the upper suction pipe in the enclosing cover Portion's runner.

The upper suction pipe holding tank is interior, relatively described upper suction pipe is provided with by the opposite side that the enclosing cover is compressed and keeps out knot Structure, as the fulcrum of suction pipe bending on described, institute when blocking structure suction pipe on described is subject to the enclosing cover to compress bending State blocking structure to apply to the suction pipe in suction pipe bending process on described and compress extruding force in opposite direction, so that described Upper suction pipe deforms.

The enclosing cover covers at the cup lid outside, and the opening and closing movement of the enclosing cover is relatively described cup lid reciprocally swinging.

The return-air hole inner sealing has return-air valve, and the return-air valve includes Natural closure state and when the return-air valve Pressure at both sides difference reaches connected state during the second setting value, and second setting value is less than first setting value.

The return-air valve is cross silica gel valve block.

The enclosing cover leaves gap when the inner flow passage of suction pipe on described is closed between the upper suction pipe holding tank.

The enclosing cover is provided with return-air hole enclosed construction towards the surface of return-air hole, and the return-air hole enclosed construction is described When enclosing cover closes the inner flow passage of the upper suction pipe, the return-air hole is closed.

Technical solutions of the utility model, have the following advantages that：

1. the blowout prevention water cup that the utility model is provided, is provided with including Natural closure state and when valve both sides in suction pipe When containing hot water in the trimmer valve of connected state two states when pressure differential reaches the first setting value, cup, due to water in the cup Evaporation of vapours causes pressure rise in cup, if now pressure release effect of the return-air hole to cup inner high voltage is adapted to, hot water will not in cup Gushed on self-straw；If pressure release is not enough, hot water can be acted on up along suction pipe by high pressure in cup, when trimmer valve pressure at both sides difference is small When the first setting value, trimmer valve forms certain barrier force to the upper aq in suction pipe, the hot water for making up potential energy not enough Post is buffered valve to be stopped and can not spray；In addition, suction pipe is additionally provided with least one cushion chamber along its axial direction, cushion chamber it is transversal More than the cross-sectional area of suction pipe below, caliber increase, upper aq flow velocity is reduced area, even if the individually resistance of trimmer valve It is not enough to stop upper aq, liquid will also result in potential energy reduction by trimmer valve, right by the combination of trimmer valve and cushion chamber Upper aq in suction pipe carries out potential energy loss and deceleration, prevents hot water post from spraying the suction pipe mouth of pipe or being only capable of the self-straw mouth of pipe Slowly gush out, significantly enhance suction pipe blowout prevention performance when cup contains hot water, it is to avoid when user opens cup lid, spray in suction pipe Go out the use inconvenience even scald that hot water post is caused.

2. the blowout prevention water cup that the utility model is provided, the trimmer valve is located at the bottom mouth of pipe of suction pipe, and at least one Cushion chamber is located at trimmer valve top and is set near trimmer valve, and upper aq is first stopped by trimmer valve, fails to stop completely Water column influenceed the reduction of up potential energy by trimmer valve, and enter cushion chamber, flow velocity reduction, now upper aq is difficult to spray suction again Pipe.

3. the blowout prevention water cup that the utility model is provided, the cushion chamber is the circular cylindrical cavity being coaxially disposed with suction pipe, Circular cylindrical cavity except caliber increase reduce upper aq flow velocity in addition to, in the upper cavity wall perpendicular to suction pipe of circular cylindrical cavity Surface applies downward resistance to upper aq, further stops that hot water post continues up.

4. the blowout prevention water cup that the utility model is provided, the trimmer valve is cross silica gel valve block, the cross silica gel valve block When valve block pressure at both sides difference is less than the first setting value, can completely stop that hot water post goes out valve block, it is poor in valve block pressure at both sides During more than the first setting value, big hot water post can be squeezed into small water column, the upper aq flow of valve block is gone out in reduction.

5. the blowout prevention water cup that the utility model is provided, the suction pipe at least partially bend pipe, on the one hand, bend pipe increased The climbing distance of upper aq, increased upper aq and climbs the friction working that equal height consumed, on the other hand, bend pipe Tube wall can apply downward resistance to the upper aq in suction pipe, reduce the power potential energy of upper aq, further reduce The rate of climb and lifting height of hot water post in suction pipe.

6. the blowout prevention water cup that the utility model is provided, the return-air hole inner sealing has return-air valve, and the return-air valve includes Natural closure state and the connected state when the pressure at both sides difference of the return-air valve reaches the second setting value, described second sets Definite value is less than first setting value, and the setting of return-air hole not only provides return-air when user drinks, and pressure is arrived in cup During up to the second setting value, return-air valve is opened and is in connected state, is connected in cup and air, drains cup inner high voltage；If pressure in cup Lasting to raise, return-air valve is not enough to excretion causes air pressure in cup to be increased to the first setting value, and now trimmer valve is in connected state, Hot water post sprays from trimmer valve.

7. the blowout prevention water cup that the utility model is provided, forms the return-air hole, institute on the bottom land of upper suction pipe holding tank Enclosing cover is stated when the inner flow passage of suction pipe on described is closed, gap, i.e. enclosing cover closing are left between the upper suction pipe holding tank Return-air hole is not closed during upper suction pipe inner flow passage so that cup still is able to carry out cup inner high voltage in the state of enclosing cover closing Pressure release, the problem for being better protected from suction pipe water spray when user opens enclosing cover occurs.

8. the blowout prevention water cup that the utility model is provided, the enclosing cover is provided with return-air hole closing towards the surface of return-air hole Structure, the return-air hole enclosed construction during inner flow passage of suction pipe, closes the return-air hole on enclosing cover closing is described, inhales Closing enhances the leak resistance of cup while pipe and return-air hole, even if also will not leak when height shakes, rocks.

Brief description of the drawings

In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the three-dimensional view of the blowout prevention water cup of offer in embodiment of the present utility model；

Fig. 2 is the three-dimensional view of the suction pipe shown in Fig. 1.

Description of reference numerals：

1- cup bodies；2- cup lids；3- enclosing covers；4- suction pipes；The upper suction pipes of 41-；Suction pipe under 42-；5- trimmer valves；6- cushion chambers；7- Return-air hole；8- return-air valves；The upper suction pipe holding tanks of 9-；10- blocking structures.

Specific embodiment

It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

As long as additionally, technical characteristic involved in the utility model different embodiments disclosed below is each other Not constituting conflict can just be combined with each other.

Embodiment one

Fig. 1 is the three-dimensional view of the blowout prevention water cup of offer in embodiment of the present utility model；Fig. 2 is shown in Fig. 1 The three-dimensional view of suction pipe.As depicted in figs. 1 and 2, the blowout prevention water cup that the present embodiment is provided, including cup body 1 and cup lid 2, cup body 1 With rim of a cup and the inner chamber for connecting rim of a cup, cup lid 2 is sealedly attached at the rim of a cup, suction pipe 4 is formed on the cup lid 2 and is installed Hole and at least one return-air hole 7, the return-air hole 7 are the connection inner chamber and the through hole in the external world, also including being arranged in the suction Suction pipe 4 in the mounting hole of pipe 4, the top of the suction pipe 4 extends to the top of the cup lid 2, and bottom extends to the intracavity bottom, The inner sealing of the suction pipe 4 has trimmer valve 5, and the trimmer valve 5 includes Natural closure state, and when the both sides of the trimmer valve 5 Pressure differential reaches connected state during the first setting value；The suction pipe 4 axially arranged has at least one to connect with the suction pipe 4 along its Logical cushion chamber 6, the cross-sectional area of the cross-sectional area more than suction pipe 4 below of the cushion chamber 6.

The connection when pressure differential being provided with including Natural closure state and in valve both sides in suction pipe 4 reaches the first setting value When containing hot water in the trimmer valve 5 of state two states, cup, because water in the cup evaporation of vapours causes pressure rise in cup, this If when 7 pairs of cup inner high voltages of return-air hole pressure release effect be adapted to, hot water will not gush on self-straw 4 in cup；If pressure release is not enough, cup Interior hot water can be acted on up along suction pipe 4 by high pressure, when the pressure at both sides of trimmer valve 5 difference is less than the first setting value, trimmer valve 5 pairs Upper aq in suction pipe 4 forms certain barrier force, and the hot water post for making up potential energy not enough is buffered valve 5 to be stopped and can not spray Go out；In addition, suction pipe 4 is additionally provided with least one cushion chamber 6 along its axial direction, the cross-sectional area of cushion chamber 6 is more than suction pipe 4 below Cross-sectional area, caliber increase, upper aq flow velocity reduction, even if individually the resistance of trimmer valve 5 is not enough to stop up liquid Body, liquid can cause the potential energy to reduce by trimmer valve 5, by the combination of trimmer valve 5 and cushion chamber 6, to the up liquid in suction pipe 4 Body carries out potential energy loss and deceleration, hot water post is slowly gushed out from spraying the mouth of pipe of suction pipe 4 or being only capable of the mouth of pipe of self-straw 4, shows Work enhances suction pipe 4 blowout prevention performance when cup contains hot water, it is to avoid when user opens cup lid 2, hot water post is sprayed in suction pipe 4 That causes is even scalded using inconvenience.

Specifically, the mounting hole of suction pipe 4 is formed on the cup lid 2 of cup, the hole wall of the mounting hole of the suction pipe 4 is towards described interior Chamber extends to form cylindrical shape wall, and suction pipe 4 includes upper suction pipe 41 and lower suction pipe 42, and the bottom edge of upper suction pipe 41 is outwards circumferentially prolonged Stretch and flip up to form annular groove, in the mounting hole of 41 self-straw of the upper suction pipe 4 lower section insertion mounting hole of suction pipe 4, make described The cylindrical shape wall of the mounting hole of suction pipe 4 stretches into card in the annular groove of the bottom of upper suction pipe 41 and matches somebody with somebody, the top insertion of lower suction pipe 42 In the bottom mouth of pipe of the upper suction pipe 41, the suction pipe 4 of upper-lower seal connection is formed, the lower suction pipe 42 is along horizontal same direction The curved pipe of bending, upper suction pipe 41 and the sealing grafting of lower suction pipe 42, enhance the combination sense of product, are easy to user to split clear Wash.

It should be noted that in other embodiments, the lower suction pipe 42 can also be S type bend pipes, helix tube, right-angle folding Bend pipe is straight tube of bend pipe etc. partly to manage；Upper suction pipe 41 and lower suction pipe 42 can also be integrally formed.

In the present embodiment, the return-air valve 8 is wholely set with the suction pipe 4, and specifically, the return-air hole 7 is one, The hole wall of the return-air hole 7 extends to form cylindrical shape wall towards the inner chamber, and the one of the annular groove of the bottom of upper suction pipe 41 Side outside wall surface extends to form the boss with axial cavity towards the cylindrical shape wall of return-air hole 7, the lower end of the axial cavity Return-air valve 8 is closed with, the cylindrical shape wall of the return-air hole 7 is inserted in the axial cavity of the boss, realized back from top to bottom Air valve 8 is closed in the lower section of return-air hole 7, and return-air valve 8 is wholely set with suction pipe 4, the parts group in convenient water cup production process Dress, it is easy to assembly, meanwhile, it is also convenient for user and is cleaned its integral demounting, it is necessary to be illustrated, the utility model is not limited It is wholely set with suction pipe 4 in return-air valve 8, in other embodiments, the return-air valve 8 can be set with the suction pipe 4 with split.

Additionally, in the present embodiment, the trimmer valve 5 is located at the bottom mouth of pipe of the suction pipe 4, and the cushion chamber 6 sets One is set to, is set positioned at the top of the trimmer valve 5 and near the trimmer valve 5, upper aq is first hindered by trimmer valve 5 Gear, the water column for failing to stop completely is influenceed up potential energy reduction by trimmer valve 5, and enters cushion chamber 6, and flow velocity reduction is now gone up Row liquid is difficult to spray suction pipe 4 again；The cushion chamber 6 of the present embodiment is circular cylindrical cavity, and circular cylindrical cavity increases except caliber Reduce outside upper aq flow velocity greatly, the inner surface of the upper cavity wall perpendicular to suction pipe 4 of circular cylindrical cavity applies to upper aq Downward resistance, further stops that hot water post continues up.But it should be recognized that shape of the utility model for cushion chamber It is not specifically limited, in other embodiments, the shape of cushion chamber 6 can also be ellipse, spherical or other irregular shapes Shape；Cushion chamber 6 is also not necessarily limited to be arranged on lower suction pipe 42, can also be on upper suction pipe 41；Trimmer valve 5 can also be arranged at The other positions such as suction pipe 41, the middle part of lower suction pipe 42；Trimmer valve 5 can also be arranged at the top of cushion chamber 6.

The trimmer valve 5 is connected when its pressure at both sides difference reaches the first setting value so that trimmer valve 5 is in the side pressure of valve block two When power difference is less than the first setting value, can completely stop that hot water post goes out valve block, in valve block pressure at both sides difference more than the first setting During value, big hot water post can be squeezed into small water column, the upper aq flow of valve block is gone out in reduction；The return-air valve 8 its two Lateral pressure difference is connected when reaching the second setting value, and the second setting value is less than the first setting value, and the setting of return-air hole 7 is not only in user Return-air is provided when drinking, and when pressure reaches the second setting value in cup, return-air valve 8 is opened and is in connected state, connects cup Interior and air, drains cup inner high voltage；If cup internal pressure insists on height of continuing rising, return-air valve 8 is not enough to excretion causes air pressure in cup to be increased to First setting value, now in connected state, hot water post sprays trimmer valve 5 from trimmer valve 5, and this set causes that glass inner high voltage is excellent Drain in first air self-returning hole 7.

It should be noted that the trimmer valve 5 in the present embodiment is cross silica gel valve block with the return-air valve 8, In other embodiment, the trimmer valve 5 and return-air valve 8 can also be yi word pattern silica gel valve block, star-like silica gel valve block or rice word Type silica gel valve block etc..

In the present embodiment, cup also include can the folding of cup lid 2 is set relatively enclosing cover 3, the enclosing cover 3 opened by it Conjunction action can control the break-make of the inner flow passage of the upper suction pipe 41, and specifically, the cup lid 2 is downward opening, is spirally connected Hemispherical shell above the rim of a cup, the edge of opening of hemispherical shell is downwardly extending cylinder side wall, cylinder side wall Inside form the internal thread being engaged with the external screw thread at rim of a cup, the part surface of the hemispherical shell is recessed formed perpendicular to The upper suction pipe holding tank 9 of the rim of a cup, forms the mounting hole of the suction pipe 4 on the bottom land of the upper suction pipe holding tank 9, it is described on The upper end of suction pipe 41 is set beyond the cup lid 2, and the upper suction pipe 41 is resiliency flexible pipe, and the enclosing cover 3 is to cover at State the outside of cup lid 2, Internal periphery a quarter spherical shell adaptable with the positive camber of the hemispherical shell of the cup lid 2, institute State enclosing cover 3 two ends be hingedly connected to the hemispherical shell the diameter perpendicular to the upper suction pipe holding tank 9 two ends, with Make the enclosing cover 3 can the relatively described reciprocally swinging of cup lid 2, compress or eliminate and compress to be formed to the upper suction pipe 41, it is described on Suction pipe 41 beyond the cup lid 2 part can when being compressed by the enclosing cover 3, to bending in the upper suction pipe holding tank 9 with The inner flow passage of the upper suction pipe 41 is closed, when compressing power elimination, spring return deformation is close to open in the enclosing cover 3 State the inner flow passage of suction pipe 41.It should be noted that the cup lid 2 is not limited to hemispherical shell, in other embodiments, The cup lid 2 can also be horizontal dome, and the enclosing cover 3 is to be set higher than the horizontal dome certain distance, can be with respect to institute State the reciprocal horizontal slip lid stirred of horizontal dome.

The return-air hole 7 takes shape in one end relative with the mounting hole of suction pipe 4 on the bottom land of the upper suction pipe holding tank 9, inhales The blocking structure 10 set perpendicular to the upper bottom land of suction pipe holding tank 9 is provided between the mounting hole of pipe 4 and return-air hole 7, it is described to keep out knot Structure 10 is set no more than cup lid 2, as institute when the suction pipe 41 on described of the blocking structure 10 is compressed bending by the enclosing cover 3 State the fulcrum of the bending of suction pipe 41, the blocking structure 10 on described in the bending process of suction pipe 41 to the suction pipe 4 apply with Extruding force in opposite direction is compressed, so that the upper suction pipe 41 deforms, so as to body more closely close the inside of upper suction pipe 41 Runner, further prevents cup leak in concussion is rocked.

The enclosing cover 3 close it is described on suction pipe 41 inner flow passage when, between being left between the upper suction pipe holding tank 9 Do not close return-air hole 7 during upper 41 inner flow passage of suction pipe of gap, i.e. enclosing cover 3 closing so that cup in the state of the closing of enclosing cover 3, still Pressure release can be carried out to cup inner high voltage, the problem for being better protected from the water spray of suction pipe 4 when user opens enclosing cover 3 occurs.

Suction pipe 4 in present embodiment is food grade silica gel hose.

In addition, the middle part symmetrical molding of the both sides of the cup body 1 has the concave surface for being suitable to hand grasping, between cup lid 2 and rim of a cup also Be arranged with ring washer, the both sides of ring washer respectively form be suitable to lift or lanyard handle, meanwhile, cup lid 2 be spirally connected with Inner ring at rim of a cup is provided with annular leak-proof gasket, and projection at is formed on the inside of annular leak-proof gasket, is easy to user by ring Shape leak-proof gasket pulls down cleaning.

Embodiment two

Used as a kind of substitute mode of embodiment one, the present embodiment provides a kind of blowout prevention water cup, the cup and embodiment One difference is：

The blowout prevention water cup that the present embodiment is provided, the enclosing cover is provided with return-air hole closing knot towards the surface of return-air hole Structure, the return-air hole enclosed construction during inner flow passage of suction pipe, closes the return-air hole, suction pipe on enclosing cover closing is described Closing enhances the leak resistance of cup while with return-air hole, even if also will not leak when height shakes, rocks.

The enclosed construction is or the silicagel column located at the outer silicagel pad for covering.

Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or Among the protection domain that variation is created still in the utility model.

Claims (17)

1. a kind of blowout prevention water cup, it is characterised in that including：

Cup body (1), with rim of a cup and the inner chamber for connecting rim of a cup；

Cup lid (2), is sealedly attached at the rim of a cup, and suction pipe (4) mounting hole is formed on the cup lid (2)；

Return-air hole (7), at least one, the return-air hole (7) for take shape in it is on the cup lid (2), connect the inner chamber with it is outer The through hole on boundary；

Suction pipe (4), is arranged in the suction pipe (4) mounting hole, and the top of the suction pipe (4) extends to the cup lid (2) top, Bottom extends to the intracavity bottom, and suction pipe (4) inner sealing has trimmer valve (5), and the trimmer valve (5) is including Natural closure State, and the connected state when the pressure differential of the trimmer valve (5) both sides reaches the first setting value；Suction pipe (4) edge Its axially arranged cushion chamber (6) for having at least one to be connected with the suction pipe (4), the cross-sectional area of the cushion chamber (6) is more than The cross-sectional area of suction pipe (4) below.

2. blowout prevention water cup according to claim 1, it is characterised in that the trimmer valve (5) is positioned at the suction pipe (4) At the mouth of pipe of bottom；At least one cushion chamber (6) sets positioned at the top of the trimmer valve (5) and near the trimmer valve (5) Put.

3. blowout prevention water cup according to claim 2, it is characterised in that the cushion chamber (6) is same with the suction pipe (4) The circular cylindrical cavity that axle is set.

4. the blowout prevention water cup according to any one of claim 1-3, it is characterised in that the trimmer valve (5) is cross Silica gel valve block.

5. blowout prevention water cup according to claim 4, it is characterised in that the suction pipe (4) at least partially bend pipe.

6. blowout prevention water cup according to claim 4, it is characterised in that the suction pipe (4) is generally along the same side of level To the curved pipe of bending.

7. blowout prevention water cup according to claim 4, it is characterised in that what the suction pipe (4) connected including upper-lower seal Upper suction pipe (41) and lower suction pipe (42)；The bottom of the upper suction pipe (41) is located in the suction pipe (4) mounting hole, the lower suction pipe (42) be along horizontal same direction bend curved pipe.

8. blowout prevention water cup according to claim 7, it is characterised in that the cup lid (2) is sealedly attached to the rim of a cup Top, and the cup lid (2) forms cavity of the opening towards the rim of a cup, the part surface of the cup lid (2) is towards institute State cavity to be recessed the upper suction pipe holding tank (9) to be formed perpendicular to the rim of a cup, be molded on the bottom land of the upper suction pipe holding tank (9) There is the suction pipe (4) mounting hole.

9. blowout prevention water cup according to claim 8, it is characterised in that on the bottom land of the upper suction pipe holding tank (9) into Type has return-air hole described at least one (7).

10. blowout prevention water cup according to claim 9, it is characterised in that also including can the cup lid (2) folding relatively set The enclosing cover (3) put, the enclosing cover (3) can control the break-make of the inner flow passage of the upper suction pipe (41) by its opening and closing movement.

11. blowout prevention water cups according to claim 10, it is characterised in that the upper end of the upper suction pipe (41) is beyond described Cup lid (2) is set, and the upper suction pipe (41) is resiliency flexible pipe, part of the upper suction pipe (41) beyond the cup lid (2) Can be when being compressed by the enclosing cover (3), to the interior bending of the upper suction pipe holding tank (9) closing the interior of the upper suction pipe (41) Portion's runner, when compressing power elimination, is close to spring return deformation to open the inside of the upper suction pipe (41) in the enclosing cover (3) Runner.

12. blowout prevention water cups according to claim 11, it is characterised in that the upper suction pipe holding tank (9) is interior, relative institute State suction pipe (41) and the opposite side that the enclosing cover (3) is compressed is provided with blocking structure (10), the blocking structure (10) is in institute The fulcrum as the upper suction pipe (41) bending when suction pipe (41) is compressed bending by the enclosing cover (3) is stated, it is described to keep out knot Structure (10) applies to the suction pipe (4) on described in suction pipe (41) bending process and compresses extruding force in opposite direction, so that The upper suction pipe (41) deforms.

13. blowout prevention water cups according to claim 10, it is characterised in that the enclosing cover (3) covers at the cup lid (2) Outside, the opening and closing movement of the enclosing cover (3) is relatively described cup lid (2) reciprocally swinging.

14. blowout prevention water cups according to claim 10, it is characterised in that return-air hole (7) inner sealing has return-air valve (8), the return-air valve (8) is including Natural closure state and when the pressure at both sides difference of the return-air valve (8) reaches the second setting Connected state during value, second setting value is less than first setting value.

15. blowout prevention water cups according to claim 14, it is characterised in that the return-air valve (8) is cross silica gel valve block.

16. blowout prevention water cups according to claim 14, it is characterised in that the enclosing cover (3) is closing suction pipe on described (41) during inner flow passage, gap is left between the upper suction pipe holding tank (9).

17. blowout prevention water cups according to claim 11, it is characterised in that table of the enclosing cover (3) towards return-air hole (7) Face is provided with return-air hole (7) enclosed construction, and return-air hole (7) enclosed construction closes the upper suction pipe in the enclosing cover (3) (41) during inner flow passage, the return-air hole (7) is closed.