CN206156038U - Inlet structure of plastics cask - Google Patents

Abstract

The utility model provides an inlet structure of plastics cask belongs to drinks equipment technical field. It has solved present wine lance makes the stability that draws wine receive the technical problem of influence greatly. This inlet structure of plastics cask, plastics cask include the staving, the bung hole department of staving has linked firmly wine spearhead and uide bushing, and this uide bushing is located wine spearhead, its characterized in that, be provided with the joint in the uide bushing, this joint can reciprocate, the uide bushing inner wall and connect the outer wall between be equipped with a plurality of can the butt joint removal and carry out the direction convex part that leads, all form inlet channel between the adjacent two direction convex parts, inlet channel's upper end is linked together with wine spearhead's centre bore, and the lower extreme can be linked together with barrel body inner cavity, it forms sealed sealing member to be equipped with between uide bushing and the joint to make between uide bushing and the joint. The utility model has the advantages of higher stability for it is effectual to go out wine.

Description

A kind of air intake structure of plastics fat

Technical field

This utility model belongs to drinks equipment technical field, is related to a kind of air intake structure of plastics fat.

Background technology

Fat is a kind of instrument for holding drinks, and wine lance, wine lance and distribution are both provided with the bung of general fat Device is coordinated, and realizes extruding the drinks in fat.At present, the fat for commonly using on market is all metal fat, metal Fat high cost, and trouble, the equipment all specially not cleaned to metal fat by general businessman are cleaned, therefore working as wine After drinks in bucket have been used, empty fat is transported to producer and is cleaned by needs, which substantially increases what is conveyed back and forth Cost.And this kind of fat is when drinks are extruded, it is that gas is directly filled with inside fat, the pressure of gas puts on drinks table Face, drinks are extruded, and such mode gas needs to be contacted with drinks, easily cause medicated beer due to oxidation and miscellaneous bacteria Invade and the decline of generation vinosity.

For the problems referred to above UK Patent Application (publication number：1549733) a kind of structure of wine lance is disclosed, the wine lance bag Wine spearhead, underframe, wine outlet duct, black box and fuse are included, spring between fuse and wine outlet duct, is provided with, in the presence of the spring Fuse can be resisted against on black box, realize the sealing on wine road, also be provided with spring, in the spring between black box and underframe In the presence of black box be resisted against on wine spearhead inwall, realize the sealing of gas circuit.The wine lance is moved up and down by wine outlet duct Opening or closing for gas circuit is realized, and during wine outlet duct is moved up and down, lacks guide frame, along with being needed due to wine outlet duct Larger allotter pressure, the effect of spring-return elastic force are born, lacks the wine outlet duct of guiding during moving up and down very Easily there are the phenomenons such as inclination, bias so that the stability for going out wine is affected significantly.

The content of the invention

The purpose of this utility model is there are the problems referred to above for existing technology, it is proposed that a kind of air inlet of plastics fat Structure, the air intake structure of the plastics fat have higher stability so that go out wine effect good.

The purpose of this utility model can be realized by following technical proposal：A kind of air intake structure of plastics fat, plastics Fat includes staving, and wine spearhead and fairlead are fixed with the bung of the staving, and the fairlead is located in wine spearhead, its feature Be joint to be provided with the fairlead, the joint can be moved up and down, set between the fairlead inwall and joint outer wall Have it is some can the guiding convex portion that is oriented to of butt joint movement, be respectively formed inlet channel between adjacent two guiding convex portion, it is described The upper end of inlet channel is connected with the centre bore of wine spearhead, and lower end can be connected with bowl inner chamber, the fairlead with connect The sealing member that can make that sealing is formed between fairlead and joint is provided between head.

When taking wine, joint is subject to the active force of allotter and moves down so that the lower end of inlet channel is connected with bowl inner chamber Logical, gas enters inlet channel by the centre bore of wine spearhead, is entered in bowl inner chamber through after inlet channel, so as to by wine Water is extruded, in the process, as inlet channel is formed by adjacent guiding convex portion, i.e. joint outer wall and fairlead inwall Between gap in both had the guiding convex portion being oriented to, and the inlet channel passed through with gas be provided so that the structure of joint It is compacter, and while ensureing that air inlet is smooth cause the movement of joint more steady, and then ensure plastics fat entirety Stability, being oriented to convex portion when joint is not moved certainly can also make that joint is more stable to be maintained in fairlead, joint Stably make to show that wine is also more stable, go out that wine effect is good, after the completion of wine is taken, joint loses the active force of allotter, and in staving Gas then have higher air pressure, move up can joint, sealing member cause between fairlead and joint formed sealing, So that bowl inner chamber keeps sealing.

In the air intake structure of above-mentioned plastics fat, the top of the wine spearhead has what is extended radially inwardly to turn edge Portion, described turning edge and are oriented between set upper side and form inlet chamber portion, and the upper end of above-mentioned inlet channel is connected with inlet chamber, when connecing There is between the upper end outer edge of joint and the centre bore lower end inside edge of wine spearhead when head is moved down spacing.Inlet chamber surround Joint, some inlet channel upper ends are connected with inlet chamber, the wine when joint is subject to the active force of allotter and moves down The centre bore of spearhead is connected with inlet chamber, gas by joint upper end outer edge and wine spearhead centre bore lower end inside edge it Between gap enter air inlet intracavity, realize the connection of inlet channel and wine spearhead centre bore, inlet chamber has the function of storage gas, can protect Card inlet channel has endlessly gas to flow through all the time, it is ensured that smooth air inlet so that goes out wine and stablizes, effect is good.

In the air intake structure of above-mentioned plastics fat, the top of the wine spearhead has what is extended radially inwardly to turn edge Portion, described turning edge form inlet chamber between portion and guiding set upper side, and the upper end of above-mentioned inlet channel is connected with inlet chamber, described The centre bore lower end edge of wine spearhead circumferentially has convex annular edge, and the convex annular has some connection wine spearheads along upper circumference The air inlet of centre bore and inlet chamber.The lower end of wine spearhead is snapped onto on the bung edge of staving, inlet chamber wound joint, some Inlet channel upper end is connected with inlet chamber, and the gas into wine spearhead centre bore enters air inlet intracavity by air inlet, realizes The connection of inlet channel and wine spearhead centre bore, inlet chamber have the function of storing gas, can guarantee that inlet channel has in a steady stream not all the time Disconnected gas flows through, it is ensured that smooth air inlet so that goes out wine and stablizes, effect is good.

In the air intake structure of above-mentioned plastics fat, the top of the wine spearhead has what is extended radially inwardly to turn edge Portion, described turning edge form inlet chamber between portion and guiding set upper side, and the upper end of above-mentioned inlet channel is connected with inlet chamber, described The upper end port of joint is relative with the centre bore of wine spearhead, on joint side wall the also circumferential endoporus with some connection joints with The air inlet of inlet chamber.The lower end of same wine spearhead is snapped onto on the bung edge of staving, inlet chamber wound joint, and air inlet Then it is opened on joint, the upper end of joint is higher than fairlead so that air inlet is connected with inlet chamber, the gas of wine spearhead centre bore Body needs to enter inlet chamber by air inlet again into after joint, equally ensure that smooth air inlet so that goes out wine and stablizes, effect It is good.

In the air intake structure of above-mentioned plastics fat, the fairlead has a tubular internal perisporium, some described to lead It is circumferentially distributed on the outer wall of joint to convex portion, and is oriented to convex portion and is respectively provided with what curved and with fairlead internal perisporium was adapted Spigot surface, the spigot surface of guiding convex portion are slidably matched with the internal perisporium of fairlead.Spigot surface is arc convex, is oriented to convex portion It is oriented to the internal perisporium of fairlead by spigot surface and is coordinated, with larger guiding area, improves the stability of joint.

In the air intake structure of above-mentioned plastics fat, the joint has tubular periphery wall, some guiding Convex portion is circumferentially distributed on the inwall of fairlead, and leading of being oriented to that convex portion is respectively provided with that curved and periphery wall with joint is adapted To face, the spigot surface of guiding convex portion is slidably matched with the periphery wall of joint.The structure is to be directed to convex portion to be arranged on guiding On set inwall, spigot surface is arc-shaped concave, realizes being oriented to cooperation with joint periphery wall, can equally improve the stability of joint.

In the air intake structure of above-mentioned plastics fat, the width sum of some spigot surfaces is more than or equal to air inlet The width sum of passage.As inlet chamber has the function of storing gas, on the premise of inlet channel width is equal, possess inlet chamber In the case of air inlet it is more smoothly and sufficient, therefore can be directed on the premise of with inlet chamber face be designed to it is wider, from And while air inlet effect is ensured, improve guiding area, move up and down joint more stable.

In the air intake structure of above-mentioned plastics fat, the volume of the flexible pouch is more than the volume of bowl inner chamber.So Design on the one hand ensure that flexible pouch will not be bursting at the collision, in addition, during wine and fill drinks is gone out, due to the body of flexible pouch Product is larger, and flexible pouch can produce certain wrinkle, be avoided that flexible pouch is fitted completely with inner wall of barrel and cause to be difficult to air inlet or go out The situation of gas, so as to preferably go out wine, while also can preferably to fill drinks in flexible pouch.

In the air intake structure of above-mentioned plastics fat, the lower end of the joint is also fixed with air-guiding film, the air-guiding film Between flexible pouch and staving, the air-guiding film extends to staving bottom, and the air-guiding film surface also has and can supply The inducing QI lines of body circulation.The surface of air-guiding film can pass through to arrange groove of pit, salient point or bar shaped etc., to form inducing QI Lines.So when flexible pouch is pressed close to inner wall of barrel, it is avoided that flexible pouch is fitted completely with inner wall of barrel and causes to be difficult to air inlet Or the situation of outlet, so as to preferably go out wine, while also can preferably to fill drinks in flexible pouch.

In the air intake structure of above-mentioned plastics fat, the air-guiding film is in bar-shape, and the air-guiding film is along staving depth Direction is arranged around the flexible pouch, and the two ends of air-guiding film are connected on joint.Due to during wine and fill drinks is gone out, Gas is flowed through between flexible pouch and staving, and air-guiding film is arranged around flexible pouch along staving depth direction, can guarantee that gas All the time staving bottom can be circulated to, wine be used and is more prone to, go out wine effect good.In addition, the gas of staving bottom can also flow to bucket Body oral area, makes flexible pouch during dress wine, and the gas between flexible pouch and staving smoothly can be discharged, so as to reduce pressure, Make fill drinks convenient.

In the air intake structure of above-mentioned plastics fat, the upper end of the fairlead has connection inlet chamber and inlet channel Cross gas breach.Cross gas breach inlet chamber is connected with inlet channel, it is ensured that the integrity of gas circuit so that gas it is smooth enter In gas passage, it is ensured that go out wine effect.

In the air intake structure of above-mentioned plastics fat, fixation on the outer wall of the joint is arranged with jump ring, the jump ring position In the top for being oriented to convex portion, the fairlead has the interior body of tubular, if circumferentially having on the upper end end face of the interior body Dry limiting section, the jump ring downside are relative with the upper surface of limiting section, and jump ring can be resisted against on limiting section, adjacent two limit The gas breach excessively of connection inlet chamber and inlet channel is formed between the portion of position.Some limiting sections have the upper surface for flushing, by dividing During the active force of orchestration, jump ring downside can be resisted against on the upper surface of some limiting sections, so that joint is circumferentially obtained Support, it is ensured that joint can keep stable when by allotter active force, and cross gas breach be then set directly at limiting section it Between, so as to simplifying structure and causing guide sleeve structure compact.

In the air intake structure of above-mentioned plastics fat, fixation on the outer wall of the joint is arranged with jump ring, the jump ring position In the top for being oriented to convex portion, circumferentially there are on the downside of the jump ring some limiting sections, the fairlead has the interior of tubular Body, the lower surface of the limiting section are relative with the upper surface of interior body, and limiting section can be resisted against on interior body upper surface, The gas breach excessively of connection inlet chamber and inlet channel is formed between adjacent two limiting section.Although limiting section is arranged on jump ring downside On, but with fairlead upper surface against rear again such that joint is circumferentially supported, it is ensured that joint is being made by allotter Can keep stable when firmly.

In the air intake structure of above-mentioned plastics fat, the fairlead also have positioned at the external side of inner sleeve middle body and Outer sleeve body on the outside of middle body, and interior body, middle body and the coaxial setting of outer sleeve body, the interior body and middle body it Between and middle body and outer sleeve body between circumferential there is some partition board portions, the lower end seal in gap between the interior body and middle body Close, the upper end closed in gap between the middle body and outer sleeve body.Fairlead is three-decker, and outer sleeve body is fixedly plugged in staving Bung in, middle body and wine spearhead bolt are connected, and joint sliding is arranged in inner sleeve body so that fairlead functions Clearly.

In the air intake structure of above-mentioned plastics fat, the middle body is higher than outer sleeve body, and above-mentioned wine spearhead fixation is arranged In the upper end of middle body, above-mentioned inlet chamber, the upper end of the middle body between the upper end of the middle body and wine spearhead, are formed Circumferentially there are on inwall some reinforcements, the lower end of some reinforcements extends to the partition board portion between middle body and interior body On, there is between reinforcement described in adjacent two air inlet gap.Wine spearhead is set on middle body, and both threaded connections, therefore On middle body inwall, reinforcement is set, the intensity of body upper end in raising, raising connective stability, and the gas that air inlet is entered Body then passes through from air inlet gap, while connective stability is ensured ensures smooth air inlet.

In the air intake structure of above-mentioned plastics fat, the outer sleeve body is plugged in the bung of staving, the wine spearhead Outer wall on circumferentially have annular connection convex edge, positioning sleeve, and positioning sleeve inwall and bucket are arranged with the bung of the staving The bung outer wall of body is fixedly connected with by screw thread cooperation, and the upper end inner edge of the positioning sleeve circumferentially has compression convex edge, the compression Convex edge is pressed on the connection convex edge of wine spearhead, and the connection convex edge of wine spearhead is pressed on the bung end face of staving.By positioning Set realizes wine spearhead, being fixedly connected between fairlead and staving, and connective stability is higher.

In the air intake structure of above-mentioned plastics fat, the air inlet cavity wall last week of the wine spearhead is to some guiding Rib, adjacent two are oriented to air inlet gap between rib, and the guiding rib is respectively provided with the guide edge in the same direction with the axial line of centre bore Edge, the outer edge of the jump ring are slidably matched with the guide edge edge for being oriented to rib.Guiding rib is provided for jump ring by guide edge edge and is led To, and jump ring is connected on joint, i.e., can provide guiding for joint so that joint is more stable, the gas that air inlet is entered Then pass through from air inlet gap, ensure smooth air inlet while guiding being provided for joint.

In the air intake structure of above-mentioned plastics fat, the sealing member includes sealing ring, and the sealing ring is circumferentially connected On the lower end of interior body, the outer wall of the joint circumferentially have sealing cone, the less one end of sealing cone diameter upward, When joint is moved up, sealing cone leans to form sealing with sealing ring.Under gas pressure in staving sealing cone with it is close Seal ring offsets swaging into sealing, and the more big then sealing cone of air pressure is bigger with the thrust of sealing ring, and sealing effectiveness is better, certainly close Sealing can also be tapered using sealant, i.e. sealant, and fixation is fitted on sealing cone, the sealant energy when moving on joint Enough it is resisted against on step edge, it may have preferable sealing effectiveness.

Compared with prior art, the air intake structure of this plastics fat has advantages below：

1st, as inlet channel is formed by adjacent guiding convex portion, joint is caused while ensureing that air inlet is smooth It is mobile more steady, and then ensure the overall stability of plastics fat, convex portion is oriented to when joint is not moved can also make joint More stable is maintained in fairlead, and stablizing for joint makes to show that wine is also more stable, goes out wine effect good.

2nd, due to both having had the guiding convex portion for providing guiding in the gap between joint outer wall and fairlead inwall, have again The inlet channel that gas passes through so that the structure of joint is compacter.

3rd, as jump ring downside can be resisted against on the upper surface of some limiting sections, so that joint is circumferentially obtained Support, it is ensured that joint can keep stable when by allotter active force.

Description of the drawings

Fig. 1 is the structure sectional view of plastics fat.

Fig. 2 is the lateral partial structurtes sectional view at plastics fat bung.

Fig. 3 is the dimensional structure diagram of joint.

Fig. 4 is the schematic enlarged-scale view in Fig. 2 at A.

Fig. 5 is the dimensional structure diagram of fairlead.

Fig. 6 is the structure sectional view of fairlead.

Fig. 7 is the dimensional structure diagram of wine spearhead.

Fig. 8 is the lateral partial structurtes sectional view in embodiment two at plastics fat bung.

Fig. 9 is the schematic enlarged-scale view in Fig. 8 at B.

Figure 10 is the dimensional structure diagram of fairlead in embodiment two.

Figure 11 is the schematic enlarged-scale view in Fig. 8 at C.

Figure 12 is the dimensional structure diagram of wine spearhead in embodiment two.

Figure 13 is the lateral partial structurtes sectional view in embodiment three at plastics fat bung.

Figure 14 is the lateral partial structurtes sectional view in example IV at plastics fat bung.

Figure 15 is the schematic enlarged-scale view in Figure 14 at D.

Figure 16 is the lateral partial structurtes sectional view in embodiment five at plastics fat bung.

Figure 17 is the dimensional structure diagram of fairlead in example IV.

Figure 18 is the dimensional structure diagram of example IV center tap.

Figure 19 is the attachment structure schematic diagram of air-guiding film, flexible pouch, joint.

In figure, 1, staving；11st, card convex；2nd, wine spearhead；21st, centre bore；22nd, inlet chamber；23rd, air inlet；24th, engaging portion； 25th, link slot；26th, it is oriented to rib；261st, guide edge edge；27th, convex annular edge；28th, guide turnup；29th, connect convex edge；2a, turn edge Portion；3rd, fairlead；31st, interior body；311st, limiting section；312nd, air inlet breach；32nd, middle body；321st, reinforcement；33rd, outer sleeve body； 34th, air inlet gap；35th, sealing ring；36th, sealing ring one；37th, sealing ring two；38th, partition board portion；4th, joint；41st, it is oriented to convex portion； 411st, spigot surface；42nd, jump ring；43rd, inlet channel；44th, sealing cone；5th, flexible pouch；6th, positioning sleeve；61st, compress convex edge；7th, it is close Packing；8th, air-guiding film.

Specific embodiment

The following is specific embodiment of the utility model and combine accompanying drawing, further is made to the technical solution of the utility model Description, but this utility model is not limited to these embodiments.

Embodiment one：

As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of air intake structure of plastics fat, plastics fat include staving 1, staving 1 Bung at be fixed with wine spearhead 2, fairlead 3 and positioning sleeve, fairlead 3 is plugged in the bung of staving 1, and wine spearhead 2 is arranged It is fixedly connected with by screw thread cooperation with 3 upper end outer wall of fairlead in the upper end of fairlead 3, and 2 inwall of wine spearhead, outside wine spearhead 2 Circumferentially there is on wall connection convex edge 29, the bung of staving 1 is arranged with positioning sleeve 6, outside the bung of 6 inwall of positioning sleeve and staving 1 Wall is fixedly connected with by screw thread cooperation, is circumferentially had in 6 upper end port inner edge of positioning sleeve and is compressed convex edge 61, and the compression convex edge 61 is supported It is pressed on the connection convex edge 29 of wine spearhead 2, the connection convex edge 29 of wine spearhead 2 is pressed on the bung edge of staving 1, in wine spearhead Sealing ring 1 is provided between 2 and fairlead 3, sealing ring 2 39 is provided between the bung inwall of fairlead 3 and staving 1.Institute The top for stating wine spearhead 2 has the portion 2a that turns edge that extends radially inwardly, it is described turn edge formed between 3 upper end of portion 2a and fairlead into Air cavity 22, is provided with joint 4, two insertion of joint 4, the upper end endoporus of joint 4 and the centre bore of wine spearhead 2 in fairlead 3 21 relative connections, in the lower end connection flexible pouch 5 of joint 4, the volume of flexible pouch 5 is more than the volume of 1 inner chamber of staving.Flexible pouch 5 For filling drinks, joint 4 can be moved up and down, and circumferentially have some guiding convex portions 41 on the outer wall of joint 4, and fairlead 3 has Tubular internal perisporium, is oriented to convex portion 41 and is respectively provided with the spigot surface 411 that curved and with fairlead 3 internal perisporium is adapted, i.e., Spigot surface 411 is arc convex, and the spigot surface 411 and the internal perisporium of fairlead 3 for being oriented to convex portion 41 is slidably matched to form guiding, makes Obtain the movement of joint 4 and keep stable.Inlet channel 43 is respectively formed between adjacent two guiding convex portion 41, is connect when joint 4 is moved down There is between 4 upper end outer edge and the centre bore lower end inside edge of wine spearhead 2 spacing, the i.e. upper end of inlet channel 43 and enter Air cavity 22 is connected, and the lower end of inlet channel 43 then can be with 1 intracavity inter-connection of staving.The width sum of some spigot surfaces 411 More than or equal to the width sum of inlet channel 43.Sealing ring 35, sealing ring 35 are additionally provided between fairlead 3 and joint 4 The lower end of fairlead 3 is circumferentially connected in, circumferentially there is on the outer wall of joint 4 sealing cone 44,44 diameter of sealing cone is less One end upward, sealing cone 44 and sealing ring when joint 4 is subject to gas pressure in staving 1 and moves up after the completion of take wine 35 lean to form sealing.

As shown in Fig. 1 and Figure 19, the lower end of joint 4 is also fixed with air-guiding film 8, and air-guiding film 8 is located at flexible pouch 5 and staving 1 Between, in bar-shape, the air-guiding film 8 is arranged around the flexible pouch 5 air-guiding film 8 along 1 depth direction of staving, air-guiding film 8 1 bottom of staving is extended to, 8 surface of air-guiding film also has the inducing QI lines for being capable of supplied gas circulation.The two ends of air-guiding film 8 are connected in On joint 4.The surface of air-guiding film 8 can pass through to arrange groove of pit, salient point or bar shaped etc., to form inducing QI lines.This Sample is avoided that flexible pouch 5 is fitted completely with 1 inwall of staving and causes to be difficult to air inlet or go out when flexible pouch 5 is pressed close to 1 inwall of staving The situation of gas, so as to preferably go out wine, while also can preferably to fill drinks in flexible pouch 5.

Specifically, with reference to shown in Fig. 5, Fig. 6, Fig. 7, fixation on the outer wall of joint 4 is arranged with jump ring 42, the jump ring 42 In the top for being oriented to convex portion 41, the upper end edge that fairlead 3 has the interior body 31 of tubular, interior body 31 circumferentially has some limits Position portion 311,42 downside of jump ring are relative with the upper surface of limiting section 311, the jump ring 42 when joint 4 is subject to the active force of allotter Downside can be resisted against on the upper surface of some limiting sections 311, so that joint 4 is circumferential be supported, adjacent two limit Gas breach 312 was formed between position portion 311, i.e. the upper end of inlet channel 43 was passed through gas breach 312 and connected with inlet chamber 22.

Fairlead 3 also has middle body 32 and outer sleeve body 33, and middle body 32 is located on the outside of interior body 31, and outer sleeve body 33 is located at On the outside of middle body 32, and interior body 31, middle body 32 and 33 coaxial setting of outer sleeve body, between interior body 31 and middle body 32 and It is circumferential between middle body 32 and outer sleeve body 33 that there is some partition board portions 38, the lower end in gap between interior body 31 and middle body 32 Closing, the upper end closed in gap between middle body 32 and outer sleeve body 33.Middle body 32 is higher than outer sleeve body 33,2 fixed cover of wine spearhead Be located at the upper end of middle body 32, between the upper end of middle body 32 and wine spearhead 2, form above-mentioned inlet chamber 22, middle body 32 it is upper Circumferentially there are on the inwall of end some reinforcements 321, the lower end of some reinforcements 321 extend to middle body 32 and interior body 31 it Between partition board portion 38 on, between adjacent two reinforcement 321 have air inlet gap 34, on 32 inwall of middle body, reinforcement is set 321, the intensity of 32 upper end of body in raising improves connective stability, and the gas of 2 centre bore 21 of wine spearhead is then from air inlet gap 34 pass through, and while connective stability is ensured ensure smooth air inlet.

The centre bore 21 of wine spearhead 2 is connected with air inlet 23, and air inlet 23 is connected with the air inlet gap 34 in inlet chamber 22, Air inlet gap 34 in inlet chamber 22 is connected with gas breach 312 is crossed, and is crossed gas breach 312 and is connected with inlet channel 43, connects when taking wine 4 active forces for being subject to allotter and move down so that the lower end of inlet channel 43 and 1 inner space of staving, gas can Entered in staving 1 by 21 1 tunnel of centre bore of wine spearhead 2, and then extrude flexible pouch 5 and realize out wine, and form inlet channel 43 guiding convex portion 41 can provide guiding for joint 4, the movement of joint 4 more be put down while ensureing that air inlet is smooth Surely, and then ensure the overall stability of plastics fats, stablizing for joint 4 makes to show that wine is also more stable, goes out wine effect good.

Embodiment two：

The air intake structure of the plastics fat is essentially identical with embodiment one, difference as shown in Fig. 8～Figure 12, wine spearhead 2 Lower end there is the engaging portion 24 of tubular, there is on the inwall of engaging portion 24 link slot 25, there is on the bung outer wall of staving 1 card Convex 11, engaging portion 24 is set on the bung edge of staving 1, and the bung edge of engaging portion 24 and staving 1 by card convex 11 with Link slot 25 coordinates realizes that snapping is connected, and fairlead 3 includes interior body 31 and outer sleeve body 33, and outer sleeve body 33 is located at outside interior body 31 Circumferentially there is between side, and outer sleeve body 33 and interior body 31 some partition board portions 38, the upper end edge circumference of 33 periphery wall of outer sleeve body With connection convex edge 29, the connection convex edge 29 is pressed between wine spearhead 2 and the port upper surface of staving 1, connection convex edge 29 with Compressing between the bung upper surface of staving 1 has sealing gasket 7, and sealing gasket 7 can be closed to 1 inner chamber of staving.In wine spearhead 2 Heart hole lower end edge circumferentially has convex annular along 27, and convex annular circumferentially has some air inlets 23, the center of wine spearhead 2 along 27 Hole is connected with inlet chamber 22 by air inlet 23,22 wound joint 4 of inlet chamber, and 43 upper end of some inlet channels is and inlet chamber 22 are connected, and the gas into 2 centre bore 21 of wine spearhead is entered in inlet chamber 22 by air inlet 23, realizes inlet channel 43 and wine The connection of 2 centre bore 21 of spearhead, it is ensured that smooth air inlet so that go out wine and stablize, effect is good.On 22 inwall of inlet chamber of wine spearhead 2 It is circumferential that there are some guiding ribs 26, be oriented to rib 26 guide edge in the same direction with the axial line of centre bore 21 is respectively provided with along 261, jump ring 42 Outer edge be slidably matched along 261 with the guide edge for being oriented to rib 26, so as to provide guiding for jump ring 42, and jump ring 42 is connected in and connects On 4, i.e., guiding can be provided for joint 4 so that joint 4 is more stable, adjacent two are oriented between rib 26 and have air inlet gap 34, the gas that air inlet 23 is entered can pass through from air inlet gap 34, enter back into gas breach 312.

Embodiment three：

The air intake structure of the plastics fat is essentially identical with embodiment two, and difference is as shown in figure 13, the wine spearhead 2 Top has the portion 2a that turns edge for extending radially inwardly, inlet chamber 22, the air inlet of formed between 3 upper end of portion 2a and fairlead that turning edge The upper end of passage 43 is connected with inlet chamber 22, and the upper end port of joint 4 is relative with the centre bore 21 of wine spearhead 2, in 4 side of joint The air inlet 23 of the also circumferential endoporus and inlet chamber 22 with some connection joints 4 on wall, the upper end of joint 4 is higher than fairlead 3, So that air inlet 23 is connected with inlet chamber 22, the gas of 2 centre bore 21 of wine spearhead is needed into after joint 4 again by air inlet 23 Into inlet chamber 22, smooth air inlet is equally ensure that so that go out wine and stablize, effect is good, and wine spearhead 2 has around centre bore 21 There is the guide turnup 28 of annular, upper end outer wall and 28 inwall of guide turnup of joint 4 are slidably matched.

Example IV：

The air intake structure of the plastics fat is essentially identical with embodiment two, difference such as Figure 14, Figure 15, Figure 17 and Figure 18 institute Show, joint 4 has tubular periphery wall, some guiding convex portions 41 are circumferentially distributed on the inwall of fairlead 3, and be oriented to convex portion 41 are respectively provided with the spigot surface 411 that curved and with joint 4 periphery wall is adapted, and the spigot surface 411 is arc-shaped concave, is oriented to convex The spigot surface 411 in portion 41 is slidably matched with the periphery wall of joint 4 and realizes being oriented to.

Embodiment five：

The air intake structure of the plastics fat is essentially identical with embodiment two, and difference is as shown in figure 16, on the outer wall of joint 4 Fixation is arranged with jump ring 42, and the jump ring 42 is located at the top for being oriented to convex portion 41, circumferentially has some limits on the downside of jump ring 42 Position portion 311, the lower surface of limiting section 311 are relative with the upper surface of interior body 31, and limiting section 311 can be resisted against interior body 31 On upper surface, between adjacent two limiting section 311, gas breach 312 was formed.Specific embodiment described herein is only right The explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can be to described concrete reality Apply example to make various modifications or supplement or substitute using similar mode, but without departing from of the present utility model spiritual or Person surmounts scope defined in appended claims.

Although more having used the terms such as staving 1, card convex 11, wine spearhead 2 herein, it is not precluded from using other terms Probability.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；They are explained All it is contrary with this utility model spirit into any additional restriction.

Claims (16)

1. a kind of air intake structure of plastics fat, plastics fat include staving (1), are fixed with wine at the bung of the staving (1) Spearhead (2) and fairlead (3), the fairlead (3) is in wine spearhead (2), it is characterised in that arrange in the fairlead (3) The lower end for having joint (4), the joint (4) is connected with flexible pouch (5), and the joint (4) can be moved up and down, the fairlead (3) be provided between inwall and joint (4) outer wall it is some can the guiding convex portion (41) that is oriented to of butt joint (4) movement, it is adjacent Two are oriented between convex portion (41) inlet channel (43), the upper end of the inlet channel (43) and the center of wine spearhead (2) of being respectively formed Hole (21) is connected, and lower end can be provided with and can make between the fairlead (3) and joint (4) with staving (1) intracavity inter-connection The sealing member of sealing is formed between fairlead (3) and joint (4).

2. the air intake structure of plastics fat according to claim 1, it is characterised in that the top tool of the wine spearhead (2) There is the portion that turns edge (2a) for extending radially inwardly, between the portion that turns edge (2a) and fairlead (3) upper end, form inlet chamber (22), on The upper end for stating inlet channel (43) is connected with inlet chamber (22), the upper end outer edge of joint (4) when joint (4) is moved down There is and centre bore (21) the lower end inside edge of wine spearhead (2) between spacing.

3. the air intake structure of plastics fat according to claim 1, it is characterised in that the top tool of the wine spearhead (2) There is the portion that turns edge (2a) for extending radially inwardly, between the portion that turns edge (2a) and fairlead (3) upper end, form inlet chamber (22), on The upper end for stating inlet channel (43) is connected with inlet chamber (22), centre bore (21) the lower end edge circumference of the wine spearhead (2) With convex annular along (27), the convex annular on (27) circumferentially has the centre bore (21) of some connections wine spearhead (2) and enters The air inlet (23) of air cavity (22).

4. the air intake structure of plastics fat according to claim 1, it is characterised in that the top tool of the wine spearhead (2) There is the portion that turns edge (2a) for extending radially inwardly, between the portion that turns edge (2a) and fairlead (3) upper end, form inlet chamber (22), on The upper end for stating inlet channel (43) is connected with inlet chamber (22), the upper end port of the joint (4) and the center of wine spearhead (2) Hole (21) is relative, also circumferentially has the endoporus of some connections joint (4) and entering for inlet chamber (22) on joint (4) upper end side wall QI KOU (23).

5. the air intake structure of the plastics fat according to Claims 2 or 3 or 4, it is characterised in that fairlead (3) tool There is tubular internal perisporium, some guiding convex portions (41) are circumferentially distributed on the outer wall of joint (4), and be oriented to convex portion (41) It is respectively provided with the spigot surface (411) that curved and with fairlead (3) internal perisporium is adapted, the spigot surface of the guiding convex portion (41) (411) it is slidably matched with the internal perisporium of fairlead (3).

6. the air intake structure of the plastics fat according to Claims 2 or 3 or 4, it is characterised in that the joint (4) has Tubular periphery wall, some guiding convex portions (41) are circumferentially distributed on the inwall of fairlead (3), and are oriented to convex portion (41) It is respectively provided with the spigot surface (411) that curved and with joint (4) periphery wall is adapted, the spigot surface of the guiding convex portion (41) (411) it is slidably matched with the periphery wall of joint (4).

7. the air intake structure of plastics fat according to claim 5, it is characterised in that some spigot surfaces (411) Width sum of the width sum more than or equal to inlet channel (43).

8. the air intake structure of the plastics fat according to claim 1 or 2 or 3 or 4, it is characterised in that the flexible pouch (5) Volume more than staving (1) inner chamber volume.

9. the air intake structure of the plastics fat according to claim 1 or 2 or 3 or 4, it is characterised in that the joint (4) Lower end is also fixed with air-guiding film (8), the air-guiding film (8) between flexible pouch (5) and staving (1), the air-guiding film (8) Staving (1) bottom is extended to, air-guiding film (8) surface also has the inducing QI lines for being capable of supplied gas circulation.

10. the air intake structure of plastics fat according to claim 9, it is characterised in that the air-guiding film (8) is in long strip Shape, the air-guiding film (8) are arranged around the flexible pouch (5) along staving (1) depth direction, and the two ends of air-guiding film (8) are connected in and connect On head (4).

The air intake structure of the 11. plastics fats according to Claims 2 or 3 or 4, it is characterised in that outside the joint (4) Fixation on wall is arranged with jump ring (42), and, positioned at the top for being oriented to convex portion (41), the fairlead (3) is with tubular for the jump ring (42) Interior body (31), on the upper end end face of the interior body (31) circumferentially have some limiting sections (311), under the jump ring (42) Side is relative with the upper surface of limiting section (311), and jump ring (42) can be resisted against on limiting section (311), adjacent two limiting section (311) the gas breach (312) excessively of connection inlet chamber (22) and inlet channel (43) is formed between.

The air intake structure of the 12. plastics fats according to Claims 2 or 3 or 4, it is characterised in that outside the joint (4) Fixation on wall is arranged with jump ring (42), and the jump ring (42) is positioned at the top for being oriented to convex portion (41), the downside of the jump ring (42) Upper circumference has some limiting sections (311), interior body (31) of the fairlead (3) with tubular, the limiting section (311) Lower surface is relative with the upper surface of interior body (31), and limiting section (311) can be resisted against on interior body (31) upper surface, adjacent The gas breach (312) excessively of connection inlet chamber (22) and inlet channel (43) is formed between two limiting sections (311).

The air intake structure of 13. plastics fats according to claim 11, it is characterised in that the fairlead (3) also has Middle body (32) and the outer sleeve body (33) being located on the outside of middle body (32) on the outside of interior body (31), and interior body (31), Middle body (32) and the coaxial setting of outer sleeve body (33), between the interior body (31) and middle body (32) and middle body (32) with It is circumferential between outer sleeve body (33) that there are some partition board portions (38), between the interior body (31) and middle body (32) under gap End seal is closed, the upper end closed in gap between the middle body (32) and outer sleeve body (33).

The air intake structure of 14. plastics fats according to claim 13, it is characterised in that the middle body (32) is higher than outer Body (33), above-mentioned wine spearhead (2) fixation are set in the upper end of middle body (32), upper end and the wine spearhead of the middle body (32) (2) above-mentioned inlet chamber (22) is formed between, circumferentially there are on the upper end inwall of the middle body (32) some reinforcements (321), the lower end of some reinforcements (321) is extended in the partition board portion (38) between middle body (32) and interior body (31), There is between reinforcement (321) described in adjacent two air inlet gap (34).

The air intake structure of 15. plastics fats according to claim 11, it is characterised in that the air inlet of the wine spearhead (2) Circumferentially there are on chamber (22) inwall some guiding rib (26), adjacent two are oriented to air inlet gap (34) between rib (26), described Be oriented to rib (26) guide edge in the same direction with the axial line of centre bore (21) is respectively provided with along (261), the outer edge of the jump ring (42) It is slidably matched along (261) with the guide edge for being oriented to rib (26).

The air intake structure of 16. plastics fats according to claim 13, it is characterised in that the sealing member includes sealing ring (35), the sealing ring (35) is circumferentially connected in the lower end of interior body (31), circumferentially has sealing on the outer wall of the joint (4) The conical surface (44), the less one end of the sealing cone (44) diameter upward, when joint (4) is moved up sealing cone (44) with it is close Seal ring (35) leans to form sealing.