A kind of tap
Technical field
Equipment technical field is drunk the invention belongs to drinks, is related to a kind of tap.
Background technology
With the progress in epoch, the raising of human life quality, people there has also been requirement higher, tinned and bottle to drinking
The beer of dress has been difficult to meet the demand of drinking of people, and increasing people is more desirable to drink fresh, health, delicious pure
Beer on draft, therefore, beer tap just arises.It is main in equipment that beer tap, wine lance, distributor, fat are that beer is drunk
Several big building block, the beer in fat drawn, reached at beer tap by distributor and wine lance, and beer tap plays switch
Effect.When people open beer tap on when, beer from wineglass is flowed out in beer tap so that people drink it is fresh
Beer.
Such as Chinese utility model patent application (application number:201020553247.3) a kind of tap is disclosed, including is had
The valve body of liquid passage is crossed, crossing has sealing surface on the inwall of liquid passage, valve rod and the valve element being connected on valve rod are provided with valve body
Component;Driving lever is hinged on valve body, one end of driving lever penetrates valve body and is hinged with valve rod, and the other end is fixed with handle;Valve rod and valve
Being provided between body can make core assembly all the time with to the spring one for being resisted against sealing surface direction movement tendency, the leading valve element
Swung by valve rod and be driven, and the connector of valve stem end is in spherical, thus connecting hole on valve element be also required to it is spherical in shape,
Cause valve element volume larger, simultaneously because can be switched to outlet when wine outlet duct goes out wine ending carries out out wine, at the same time need
Outlet is carried out to wine outlet duct so that beer on draft in wine outlet duct and air contact and produce foam, the air of above-mentioned tap is logical
Cross inlet channel, gas passage and outlet passageway excessively and enter wine outlet duct, and in order to increase air inflow, it is necessary to increase the logical of gas passage
Area is crossed, further causes valve volume to become big.
The content of the invention
The purpose of the present invention is directed to existing technology and there is above mentioned problem, it is proposed that a kind of tap, the tap structure is tight
Gather, operational stability is good.
The purpose of the present invention can be realized by following technical proposal:A kind of tap, including the valve body with wine outlet duct, valve
Bar and the shaft-like valve element in valve body, one end end of the valve rod have connector, and connecting hole is offered on the valve element,
Above-mentioned valve rod is passed through in valve body and connector insertion connecting hole, and valve rod can be axially moveable with movable valve plug, the connection
Gas passage was formed between head and valve interior wall, also having on the valve body can will cross gas passage with the extraneous air inlet being connected
Passage and connected the outlet passageway of gas passage and wine outlet duct, it is characterised in that formed between the stem outer circumference wall and valve body
Air storing cavity, the cross section of the connecting hole is in strip, and strip direction is identical with the length direction of valve element, the connecting hole edge
Having on the madial wall of length direction cross air drain by what air storing cavity was connected with gas passage excessively, and the connecting hole is also relative with two
The stopper slot of setting, two stopper slot was located at the both sides of air drain, and the connector is located at two respectively in flat and with two
The spacing plane of side, the connector also has the curved guiding surface towards valve element two ends, and the curved guiding surface is located in stopper slot,
The spacing plane is relative with spacing groove sidewall, the curved guiding surface can with spacing groove bottom against.
Being fixed with valve element in sealing ring, valve body has the sealed step of annular, is provided with spring in valve core upper sleeve certainly,
Under spring effect, the sealing ring on valve element is pressed on limited step, and now tap is closed, and valve rod is then hinged on
On valve body, when valve rod top swing backward, connector can be swung forward, i.e., connector is supported towards the curved guiding surface of sealing ring
By spacing groove bottom corresponding thereto so that valve element is moved axially, sealing ring departs from sealed step, and tap is opened, and in valve
Outlet is further opened with core, one end of the outlet is connected with body cavity, when sealing ring departs from sealed step, goes out wine
The other end in hole is sealed, and when valve rod top swings forward, connector be capable of swing backward, i.e. connector another lead
Be able to can be pressed with sealed step against simultaneously pushing tow spacing groove bottom corresponding thereto, valve element axial movement, valve element to cambered surface
Contracting sealing ring, the other end of outlet can be moved to and be connected with wine outlet duct, and inlet channel, excessively gas passage and outlet passageway
To wine outlet duct air inlet when then going out wine for outlet so that beer can produce foam with air contact, and this connecting hole has
Cross air drain, this cross air drain by air storing cavity with cross gas passage be connected, you can with appropriate reduction the cross-sectional area of gas passage and
The gas output to wine outlet duct, therefore the appropriate volume for reducing valve body on the basis of gas output is certain are not influenceed, to cause this
Tap structure is compact;At the same time, by connector come pushing tow valve element, and connecting hole is in strip, and strip side for valve rod
Set to along shaft length direction, connector is in flat so that the reduction that the diameter of valve element can be appropriate, i.e. valve body
Volume diminishes, and structure is compacter, and curved guiding surface causes that connector protrudes to the two ends of valve element, therefore has on swaying direction
There is preferable mechanical strength, it is to avoid connection head width diminishes and causes weakened, and stopper slot is engaged with connector also can
Avoid valve rod from circumferentially rotating, i.e., valve rod is swung and play guide effect so that valve rod swings more to be stablized, and is operated more smooth.
In above-mentioned tap, the air drain of crossing has two, and two are crossed air drain and are symmetrical arranged, described to cross the transversal of air drain
Face is curved.This connecting hole is located at the middle part in valve core diameter direction, and two are crossed air drain and are symmetrical arranged, i.e. the valve of connecting hole both sides
Body wall is thick consistent, valve element local mechanical weakened is avoided while realizing that this tap structure is compact, likewise, due to compact
Structure design cause that valve element diminishes in the wall thickness crossed at air drain, therefore crossing air drain, to be designed to cross section curved, i.e., gas
The cell wall of groove does not have bent angle, it is to avoid link slot cell wall stress concentration occurs and causes valve element fragmentation occur when valve rod swings.
In above-mentioned tap, the air drain of crossing is in vertical bar shape, and length direction is identical with the length direction of connecting hole.Subtract
Small gas increased gas efficiency crossing the stroke of intercommunication between gas passage and air storing cavity, it is preferable cross gas efficiency indirectly can be with
Reduced the radius of air drain, as this valve element carries out compact conformation design and provides support.
In above-mentioned tap, the spacing plane is extended on valve rod, and spacing plane be located at part on valve rod with
Gas storage cavity wall is relative.The part that spacing plane is located on valve rod caused that air drain was realized connecting with air storing cavity, it is to avoid valve rod is blocked up
Filled in gas passage.
Also have in above-mentioned tap, on the connector and avoid plane, the curved guiding surface is above-mentioned to keep away with two
Plane is allowed to be located between two curved guiding surfaces, the gas passage of crossing is located between avoidance plane and valve interior wall.Ensureing to be oriented to
Cambered surface has enough against under the premise of stroke, and plane is avoided in the bottom design of connector, and the avoidance plane was gas passage
Step down, therefore enable the structure of valve element and valve body compacter while gas way vent amount was ensured.
In above-mentioned tap, the curved guiding surface is sphere, and the bottom surface of the stopper slot is the face of cylinder, the guiding arc
The radius in face is identical with the radius of spacing groove bottom.After connector is in flat, itself and the contact surface between connecting hole inwall
Product diminishes, therefore inevitably have impact on the stability of valve rod swing, and the radius of curved guiding surface and the half of spacing groove bottom
Footpath is identical, thus the linear contact lay of arc, i.e. stopper slot bottom land can be formed between curved guiding surface and stopper slot bottom land can be to leading
Positioned to cambered surface, it is to avoid double swerve occurs in valve rod so that operation is more stablized.
Compared with prior art, this tap has advantages below:
1st, because connecting hole had air drain, this is crossed air drain and air storing cavity is connected with gas passage is crossed, you can with appropriate
The cross-sectional area for reducing gas passage is without influenceing the gas output to wine outlet duct therefore appropriate on the basis of gas output is certain
Reduce the volume of valve body, to cause this tap structure compact.
2nd, because connecting hole is set in strip, and strip direction along shaft length direction, connector is in flat
Shape so that the reduction that the diameter of valve element can be appropriate, the i.e. volume of valve body diminishes, and structure is compacter.
3rd, because curved guiding surface is sphere, the bottom surface of stopper slot is the face of cylinder, the radius of curved guiding surface and spacing groove bottom
Radius it is identical, therefore the linear contact lay of arc can be formed between curved guiding surface and stopper slot bottom land, i.e. stopper slot bottom land can
Curved guiding surface is positioned, it is to avoid double swerve occurs in valve rod so that operation is more stablized.
Brief description of the drawings
Fig. 1 is this leading dimensional structure diagram.
Fig. 2 is this leading structure sectional view.
Fig. 3 is the schematic enlarged-scale view at A in Fig. 2.
Fig. 4 is the structure sectional view at another visual angle of this tap.
Fig. 5 is the schematic enlarged-scale view at B in Fig. 4.
Fig. 6 is the dimensional structure diagram of valve rod.
Fig. 7 is the dimensional structure diagram of valve element.
Fig. 8 is the structure top view of valve element.
Fig. 9 is the dimensional structure diagram after valve rod is assembled with valve element.
Figure 10 is the structure upward view after valve rod is assembled with valve element.
In figure, 1, valve body;11st, wine outlet duct;12nd, inlet channel;13rd, outlet passageway;14th, sealed step;2nd, valve rod;21、
Connector;211st, spacing plane;212nd, curved guiding surface;213rd, plane is avoided;22nd, it is hinged ball;3rd, valve element;31st, connecting hole;311、
Cross air drain;312nd, stopper slot;313rd, enlarging;4th, gas passage is crossed;5th, air storing cavity;6th, sealing ring;7th, spring.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of tap, including valve body 1, valve rod 2 and valve element 3, valve body 1 is in pipe
Shape, has wine outlet duct 11 on the side wall of valve body 1, and the wine outlet duct 11 is inclined down, and valve element 3 is in shaft-like and sliding plug in valve body 1
It is interior, have on valve rod 2 and be hinged ball 22, end has connector 21, and connecting hole 31 is offered on valve element 3, and valve rod 2 passes through valve body 1
And in the insertion connecting hole 31 of connector 21, and be hinged ball 22 and be then hinged with valve body 1, therefore valve rod 2 can be driven by swinging
Valve element 3 is axially moveable.Gas passage 4 was formed between connector 21 and the inwall of valve body 1, there is the He of inlet channel 12 on valve body 1
Outlet passageway 13, wherein inlet channel 12 can cross gas passage 4 and be connected with the external world, outlet passageway 13 will cross gas passage 4 and
Wine outlet duct 11 is connected, and air storing cavity 5 is formed between the periphery wall of valve rod 2 and valve body 1, and the air storing cavity 5 passes through the side wall of valve rod 2, is hinged
The side wall of ball 22, the side wall of connector 21 and the side wall of valve element 3 surround to be formed.The cross section of connecting hole 31 is in strip, and strip side
To identical with the length direction of valve element 3, there is air drain 311 on the madial wall along its length of connecting hole 31, this crosses air drain 311
One end be connected with air storing cavity 5, the other end is connected with gas passage 4 is crossed, connecting hole 31 also have two be oppositely arranged it is spacing
Groove 312, two stopper slot 312 was located at the both sides of air drain 311.Connector 21 is in flat and with two respectively positioned at both sides
Spacing plane 211, connector 21 also has the curved guiding surface 212 towards the two ends of valve element 3, and curved guiding surface 212 is located at stopper slot 312
Interior, spacing plane 211 is relative with the side wall of stopper slot 312, curved guiding surface 212 can with the bottom surface of stopper slot 312 against.That is valve element 3
On be fixed with sealing ring 6, there is the sealed step 14 of annular in valve body 1, spring 7 is arranged with valve element 3 certainly, in spring 7
Under effect, the sealing ring 6 on valve element 3 is pressed on limited step, and now tap is closed, when the top of valve rod 2 backward
During swing, connector 21 can swing forward, i.e., connector 21 is towards the curved guiding surface 212 of sealing ring 6 against corresponding thereto
The bottom surface of stopper slot 312 so that valve element 3 is moved axially, and sealing ring 6 departs from sealed step 14, and tap is opened, and on valve element 3
Outlet is further opened with, one end and the intracavity inter-connection of valve body 1 of the outlet, when sealing ring 6 departs from sealed step 14, go out wine
The other end in hole is sealed, and when the top of valve rod 2 swings forward, connector 21 can swing backward, i.e., connector 21 is another
One curved guiding surface 212 can against and the pushing tow bottom surface of stopper slot 312 corresponding thereto, valve element 3 move axially, valve element 3 with
Sealed step 14 can compresses seal 6, the other end of outlet can be moved to and be connected with wine outlet duct 11, and inlet channel
12nd, cross when gas passage 4 and outlet passageway 13 then go out wine for outlet to the air inlet of wine outlet duct 11 so that beer can connect with air
Touch and produce foam, this connecting hole 31 had air drain 311, this is crossed air drain 311 and air storing cavity 5 is connected with gas passage 4 is crossed, i.e.,
Reduction that can be appropriate gas passage 4 cross-sectional area it is without influenceing the gas output to wine outlet duct 11 therefore certain in gas output
On the basis of appropriate reduction valve body 1 volume, to cause this tap structure compact;At the same time, valve rod 2 passes through connector 21
Carry out pushing tow valve element 3, and it is in strip that connecting hole 31 is, and strip direction, along the setting of the length direction of valve rod 2, connector 21 is to be in
Flat so that the reduction that the diameter of valve element 3 can be appropriate, the i.e. volume of valve body 1 diminishes, and structure is compacter, and is oriented to
Cambered surface 212 causes that connector 21 protrudes to the two ends of valve element 3, therefore has preferable mechanical strength on swaying direction, it is to avoid
The width of connector 21 diminishes and causes weakened, and stopper slot 312 is engaged with connector 21 can also avoid circumferential turn of valve rod 2
It is dynamic, i.e., valve rod 2 is swung and play guide effect so that valve rod 2 swings more to be stablized, and is operated more smooth.
Specifically, with reference to shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, this connecting hole 31 be located at valve element 3 it is diametric in
Portion, crossing air drain 311 has two, and two are crossed air drain 311 and are symmetrical arranged, and cross air drain 311 to the distance phase of amount stopper slot 312 bottom surface
Together, therefore the wall thickness of valve body 1 of the both sides of connecting hole 31 can be consistent, valve element is avoided while realizing that this tap structure is compact 3 innings
Portion's mechanical strength dies down, i.e., likewise, causing that valve element 3 diminishes in the wall thickness crossed at air drain 311 because compact structure is designed, because
This will cross air drain 311 and be designed to that cross section is curved, i.e., the cell wall of air drain 311 there is no bent angle, it is to avoid valve rod 2 connects when swinging
There is stress concentration and causes valve element 3 fragmentation occur in access slot cell wall.Air drain 311 is crossed in vertical bar shape, and length direction and connecting hole
31 length direction is identical, reduces gas and is crossing the stroke of intercommunication between gas passage 4 and air storing cavity 5, increases gas efficiency, preferably
Cross gas efficiency and can indirectly reduce the radius of air drain 311, as this valve element 3 carries out compact conformation design and provides support.
Spacing plane 211 is extended on valve rod 2, and the part that spacing plane 211 is located on valve rod 2 is relative with the inwall of air storing cavity 5, spacing
The part that plane 211 is located on valve rod 2 caused that air drain 311 was realized connecting with air storing cavity, it is to avoid valve rod 2 blocked gas passage 4.
Plane is avoided ensureing that curved guiding surface 212 also has with enough against under the premise of stroke, on connector 21
213, the avoidance plane 213 is perpendicular with the axial line of valve rod 2, and curved guiding surface 212 has two, avoids plane 213 and is located at two
Between curved guiding surface 212, cross gas passage 4 and be located between avoidance plane 213 and the inwall of valve body 1, the avoidance plane 213 was that gas leads to
Road 4 is stepped down, therefore enables the structure of valve element 3 and valve body 1 compacter while gas 4 throughput of passage is ensured.Even
In after flat, it diminishes joint 21 with the contact area between the inwall of connecting hole 31, therefore inevitably have impact on valve rod 2
The stability of swing, therefore curved guiding surface 212 is sphere, the bottom surface of stopper slot 312 is the face of cylinder, the radius of curved guiding surface 212
Radius with the bottom surface of stopper slot 312 is identical, and the linear contact lay of arc can be formed between curved guiding surface 212 and the bottom land of stopper slot 312,
I.e. the bottom land of stopper slot 312 can be positioned to curved guiding surface 212, it is to avoid double swerve occurs in valve rod 2 so that operation is more steady
It is fixed.The two ends of the bottom surface of stopper slot 312 also have the enlarging 313 at tendency valve element 3 two ends, and the enlarging 313 is provided for the swing of valve rod 2
Avoid space.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Although more having used the terms such as valve body 1, wine outlet duct 11, inlet channel 12 herein, it is not precluded from using it
The possibility of its term.It is used for the purpose of more easily describing and explaining essence of the invention using these terms;They are solved
Any additional limitation is interpreted into all to be disagreed with spirit of the present invention.