CN204900977U

CN204900977U - Tap

Info

Publication number: CN204900977U
Application number: CN201520601182.8U
Authority: CN
Inventors: 邱迪林
Original assignee: YUHUAN H&C BRASS PART Manufacturing Co Ltd
Current assignee: Taros Holdings Limited
Priority date: 2015-08-11
Filing date: 2015-08-11
Publication date: 2015-12-23
Anticipated expiration: 2025-08-11

Abstract

The utility model provides a tap belongs to drinks and drinks equipment technical field. It has solved current tap's the great problem of valve body volume. This tap, including having a valve body of wine pipe, valve rod and case, the one end tip of valve rod has the connector, the connecting hole has been seted up on the case, the connector inserts in the connecting hole, form gas passing channel between connector and the valve body inner wall, form the gas storage chamber between valve rod periphery wall and the valve body, rectangular form is personally submitted to connecting hole transversal, the gas tank had on length direction's the inside wall of connecting hole edge, the connecting hole still has two spacing grooves, this two spacing groove was located the both sides of gas tank, the connector is the platykurtic and has two spacing planes, the connector still has the direction cambered surface, the direction cambered surface is located limiting groove, the direction cambered surface can be supported with the spacing groove bottom surface and leaned on. This tap compact structure, operational stability is good.

Description

A kind of tap

Technical field

The utility model belongs to drinks and drinks equipment technical field, relates to a kind of tap.

Background technique

Along with the progress in epoch, the raising of human life quality, people there has also been higher requirement to drinking, what tinned and bottled beer had been difficult to meet people drinks demand, increasing people more wishes to drink fresh, health, delicious pure beer on draft, therefore, beer tap just arises.Beer tap, wine lance, distributor, fat are that several large constituent elements main in equipment drunk by beer, and the beer in fat is drawn by distributor and wine lance, and arrive beer tap place, beer tap plays the effect of switch.When people open on beer tap, beer flows out to wineglass in beer tap, thus makes people drink fresh beer.

As Chinese utility model patent application (application number: 201020553247.3) disclose a kind of tap, comprise the valve body with liquid passage, the inwall crossing liquid passage has sealing surface, is provided with valve rod in valve body and is connected to the mangetic core assembly on valve rod, hinged driving lever on valve body, one end of driving lever penetrates valve body and valve rod is hinged, and the other end is fixed with handle, be provided with between valve rod and valve body and mangetic core assembly can be made to have spring one to being resisted against sealing surface direction movement tendency all the time, the spool of this tap is swung by valve rod and drives, and the connecting head of valve stem end is spherical, therefore the attachment hole on spool also needs spherical in shape, cause spool volume larger, carry out wine due to outlet can be switched to when going out wine ending at wine outlet duct simultaneously, meanwhile need to give vent to anger to wine outlet duct, the beer on draft in wine outlet duct is made to contact with air and produce foam, the air of above-mentioned tap passes through gas-entered passageway, cross gas passage and outlet passageway enters wine outlet duct, and in order to increase air inflow, what need to increase gas passage passes through area, valve volume is further caused to become large.

Summary of the invention

The purpose of this utility model there are the problems referred to above for existing technology, and propose a kind of tap, this tap structure is compact, and operational stability is good.

The purpose of this utility model realizes by following technical proposal: a kind of tap, comprise the valve body with wine outlet duct, valve rod and the shaft-like spool being positioned at valve body, the end, one end of described valve rod has connecting head, described spool offers attachment hole, above-mentioned valve rod is through valve body and connecting head inserts in attachment hole, and valve rod can be with movable valve plug to move vertically, gas passage was formed between described connecting head and valve interior wall, described valve body also has and can will cross gas passage and the extraneous gas-entered passageway be connected and the outlet passageway being communicated with gas passage and wine outlet duct, it is characterized in that, air storing cavity is formed between described stem outer circumference wall and valve body, the cross section of described attachment hole is strip, and rectangular direction is identical with the length direction of spool, described attachment hole madial wall along its length has the air drain be excessively connected with mistake gas passage by air storing cavity, described attachment hole also has two restraining grooves be oppositely arranged, this two restraining groove was positioned at the both sides of air drain, described connecting head is flat and has the spacing plane that two lay respectively at both sides, described connecting head also has the curved guiding surface towards spool two ends, described curved guiding surface is positioned at restraining groove, described spacing plane is relative with restraining groove sidewall, described curved guiding surface can with restraining groove bottom surface against.

Spool is fixed with seal ring, there is in valve body the sealed step of annular, certainly spring is provided with at valve core upper sleeve, under the action of the spring, seal ring on spool is pressed on limited step, now tap is in closed condition, valve rod is then hinged on valve body, when valve rod top swings backward, connecting head can forward rocking motion, namely connecting head is towards the curved guiding surface of seal ring against restraining groove bottom surface corresponding thereto, spool is moved axially, seal ring departs from sealed step, tap is opened, and on spool, also offer outlet, one end of this outlet is connected with body cavity, when seal ring departs from sealed step, the other end of outlet is sealed, and when valve rod top forward rocking motion, connecting head can swing backward, namely connecting head another curved guiding surface can against and pushing tow restraining groove bottom surface corresponding thereto, spool moves axially, spool and sealed step can compresses seal, the other end of outlet can move to and be connected with wine outlet duct, and gas-entered passageway, cross when gas passage and outlet passageway then go out wine for outlet wine outlet duct air inlet, beer is made to contact with air and to produce foam, this attachment hole had air drain, this is crossed air drain and is connected with mistake gas passage by air storing cavity, namely the cross-section area reducing over gas passage that can be suitable and the gas output do not affected wine outlet duct, the volume of therefore suitable on the basis that gas output is certain reduction valve body, to make this tap structure compact, meanwhile, valve rod carrys out pushing tow spool by connecting head, and attachment hole is strip, and rectangular direction is arranged along shaft length direction, connecting head is flat, make the reduction that the diameter of spool can be suitable, the i.e. smaller volume of valve body, structure is compacter, and curved guiding surface makes connecting head protrude to the two ends of spool, therefore there is good mechanical strength on swaying direction, connecting head width is avoided to diminish and cause weakened, restraining groove matches with connecting head and valve rod circumference also can be avoided to rotate, namely valve rod is swung and play leading role, valve rod is swung more stable, operate more smooth.

In above-mentioned tap, described air drain excessively has two, and two mistake air drains are symmetrical arranged, and the cross section of described air drain is excessively curved.This attachment hole is positioned at the middle part in valve core diameter direction, and two mistake air drains are symmetrical arranged, namely the valve body wall thickness of attachment hole both sides is consistent, realize this tap structure compact while avoid spool local mechanical weakened, same, because compact structure design makes the wall thickness that spool is crossing air drain place diminish, therefore by crossing air drain, to be designed to cross section curved, namely the cell wall crossing air drain does not have bent angle, avoids connecting groove cell wall when valve rod swings and occurs that stress is concentrated and causes spool appearance cracked.

In above-mentioned tap, described air drain is excessively vertical bar shape, and length direction is identical with the length direction of attachment hole.Reduce gas at the stroke crossing intercommunication between gas passage and air storing cavity, increased gas efficiency, cross the radius that gas efficiency indirectly can reduce air drain preferably, be this spool and carry out compact structure design and provide support.

In above-mentioned tap, described spacing plane extends on valve rod, and the part that spacing plane is positioned on valve rod is relative with air storing cavity inwall.The spacing plane part be positioned on valve rod made air drain and air storing cavity realize being communicated with, and avoided valve rod to block gas passage.

In above-mentioned tap, described connecting head also has and dodges plane, described curved guiding surface has two, and above-mentioned plane of dodging is between two curved guiding surfaces, and described gas passage of crossing is being dodged between plane and valve interior wall.To ensure that curved guiding surface has enough against under stroke prerequisite, in the bottom of connecting head, plane is dodged in design, and this dodges plane was that gas passage is stepped down, and therefore while ensureing gas way vent amount, enable the structure of spool and valve body compacter.

In above-mentioned tap, described curved guiding surface is sphere, and the bottom surface of described restraining groove is cylndrical surface, and the radius of described curved guiding surface is identical with the radius of restraining groove bottom surface.After connecting head is flat, area of contact between itself and attachment hole inwall diminishes, therefore inevitably have impact on the stability that valve rod swings, and the radius of curved guiding surface is identical with the radius of restraining groove bottom surface, therefore the linear contact lay of arc can be formed between curved guiding surface and restraining groove bottom land, namely restraining groove bottom land can position curved guiding surface, avoids valve rod to occur double swerve, makes operation more stable.

Compared with prior art, this tap has the following advantages:

1, because attachment hole had air drain, this is crossed air drain and is connected with mistake gas passage by air storing cavity, namely the cross-section area reducing over gas passage that can be suitable and the gas output do not affected wine outlet duct, the volume of therefore suitable on the basis that gas output is certain reduction valve body, to make this tap structure compact.

2, because attachment hole is strip, and rectangular direction is arranged along shaft length direction, and connecting head is flat, and make the reduction that the diameter of spool can be suitable, i.e. the smaller volume of valve body, structure is compacter.

3, because curved guiding surface is sphere, the bottom surface of restraining groove is cylndrical surface, the radius of curved guiding surface is identical with the radius of restraining groove bottom surface, therefore the linear contact lay of arc can be formed between curved guiding surface and restraining groove bottom land, namely restraining groove bottom land can position curved guiding surface, avoid valve rod to occur double swerve, make operation more stable.

Accompanying drawing explanation

Fig. 1 is the perspective view of this tap.

Fig. 2 is the structure sectional view of this tap.

Fig. 3 is the schematic enlarged-scale view at A place 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 place in Fig. 4.

Fig. 6 is the perspective view of valve rod.

Fig. 7 is the perspective view of spool.

Fig. 8 is the structure plan view of spool.

Fig. 9 is the perspective view after valve rod and spool assemble.

Figure 10 is the structure worm's eye view after valve rod and spool assemble.

In figure, 1, valve body; 11, wine outlet duct; 12, gas-entered passageway; 13, outlet passageway; 14, sealed step; 2, valve rod; 21, connecting head; 211, spacing plane; 212, curved guiding surface; 213, plane is dodged; 22, hinged ball; 3, spool; 31, attachment hole; 311, air drain is crossed; 312, restraining groove; 313, enlarging; 4, gas passage is crossed; 5, air storing cavity; 6, seal ring; 7, spring.

Embodiment

Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of tap, comprise valve body 1, valve rod 2 and spool 3, valve body 1 in a tubular form, valve body 1 sidewall has wine outlet duct 11, this wine outlet duct 11 tilts down, spool 3 in shaft-like and sliding plug in valve body 1, valve rod 2 has hinged ball 22, end has connecting head 21, spool 3 offers attachment hole 31, and valve rod 2 is through valve body 1 and connecting head 21 inserts in attachment hole 31, hinged ball 22 is then hinged with valve body 1, and therefore valve rod 2 can move vertically by swinging band movable valve plug 3.Gas passage 4 was formed between connecting head 21 and valve body 1 inwall, valve body 1 have gas-entered passageway 12 and outlet passageway 13, wherein gas-entered passageway 12 can be connected crossing gas passage 4 with the external world, outlet passageway 13 is connected crossing gas passage 4 with wine outlet duct 11, form air storing cavity 5 between valve rod 2 periphery wall and valve body 1, this air storing cavity 5 is formed by valve rod 2 sidewall, hinged ball 22 sidewall, connecting head 21 sidewall and spool 3 side walls enclose.The cross section of attachment hole 31 is strip, and rectangular direction is identical with the length direction of spool 3, attachment hole 31 madial wall along its length had air drain 311, this one end crossing air drain 311 is connected with air storing cavity 5, the other end is connected with mistake gas passage 4, attachment hole 31 also has two restraining grooves be oppositely arranged 312, and this two restraining groove 312 was positioned at the both sides of air drain 311.Connecting head 21 is flat and has the spacing plane 211 that two lay respectively at both sides, connecting head 21 also has the curved guiding surface 212 towards spool 3 two ends, curved guiding surface 212 is positioned at restraining groove 312, spacing plane 211 is relative with restraining groove 312 sidewall, curved guiding surface 212 can with restraining groove 312 bottom surface against.Namely spool 3 is fixed with seal ring 6, there is in valve body 1 sealed step 14 of annular, certainly on spool 3, spring 7 is arranged with, under spring 7 acts on, seal ring 6 on spool 3 is pressed on limited step, now tap is in closed condition, when valve rod 2 top swings backward, connecting head 21 can forward rocking motion, namely connecting head 21 is towards the curved guiding surface 212 of seal ring 6 against restraining groove 312 bottom surface corresponding thereto, spool 3 is moved axially, seal ring 6 departs from sealed step 14, tap is opened, and on spool 3, also offer outlet, one end of this outlet and valve body 1 intracavity inter-connection, when seal ring 6 departs from sealed step 14, the other end of outlet is sealed, and when valve rod 2 top forward rocking motion, connecting head 21 can swing backward, namely connecting head 21 another curved guiding surface 212 can against and pushing tow restraining groove 312 bottom surface corresponding thereto, spool 3 moves axially, spool 3 and sealed step 14 can compresses seal 6, the other end of outlet can move to and be connected with wine outlet duct 11, and gas-entered passageway 12, cross when gas passage 4 and outlet passageway 13 go out wine for outlet wine outlet duct 11 air inlet, beer is made to contact with air and to produce foam, this attachment hole 31 had air drain 311, this is crossed air drain 311 and is connected with mistake gas passage 4 by air storing cavity 5, namely the cross-section area reducing over gas passage 4 that can be suitable and the gas output do not affected wine outlet duct 11, the volume of therefore suitable on the basis that gas output is certain reduction valve body 1, to make this tap structure compact, meanwhile, valve rod 2 carrys out pushing tow spool 3 by connecting head 21, and attachment hole 31 is in strip, and rectangular direction is arranged along valve rod 2 length direction, connecting head 21 is in flat, make the reduction that the diameter of spool 3 can be suitable, the i.e. smaller volume of valve body 1, structure is compacter, and curved guiding surface 212 makes connecting head 21 protrude to the two ends of spool 3, therefore there is good mechanical strength on swaying direction, connecting head 21 width is avoided to diminish and cause weakened, restraining groove 312 matches with connecting head 21 and valve rod 2 circumference also can be avoided to rotate, namely valve rod 2 is swung and play leading role, valve rod 2 is swung more stable, operate more smooth.

Specifically, composition graphs 6, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, this attachment hole 31 is positioned at the diametric middle part of spool 3, cross air drain 311 and have two, and two mistake air drains 311 are symmetrical arranged, cross air drain 311 identical to the distance of amount restraining groove 312 bottom surface, therefore valve body 1 wall thickness of attachment hole 31 both sides can be consistent, realize this tap structure compact while avoid spool 3 local mechanical weakened, namely same, because compact structure design makes the wall thickness that spool 3 is crossing air drain 311 place diminish, therefore mistake air drain 311 is designed to cross section curved, namely the cell wall crossing air drain 311 does not have bent angle, avoid that connecting groove cell wall when valve rod 2 swings occurs that stress is concentrated and to cause spool 3 to occur cracked.Cross air drain 311 in vertical bar shape, and length direction is identical with the length direction of attachment hole 31, reduce gas at the stroke crossing intercommunication between gas passage 4 and air storing cavity 5, increased gas efficiency, cross the radius that gas efficiency indirectly can reduce air drain 311 preferably, be this spool 3 and carry out compact structure design and provide support.Spacing plane 211 extends on valve rod 2, and the part that spacing plane 211 is positioned on valve rod 2 is relative with air storing cavity 5 inwall, and spacing plane 211 part be positioned on valve rod 2 made air drain 311 and air storing cavity realize being communicated with, and avoided valve rod 2 to block gas passage 4.

To ensure that curved guiding surface 212 has enough against under stroke prerequisite, connecting head 21 also has and dodges plane 213, it is perpendicular with valve rod 2 shaft axis that this dodges plane 213, curved guiding surface 212 has two, dodge plane 213 between two curved guiding surfaces 212, crossing gas passage 4 is dodging between plane 213 and valve body 1 inwall, and this dodges plane 213 was that gas passage 4 is stepped down, and therefore while ensureing gas passage 4 Throughput, enable the structure of spool 3 and valve body 1 compacter.After connecting head 21 is in flat, area of contact between itself and attachment hole 31 inwall diminishes, therefore inevitably have impact on the stability that valve rod 2 swings, therefore curved guiding surface 212 is sphere, the bottom surface of restraining groove 312 is cylndrical surface, the radius of curved guiding surface 212 is identical with the radius of restraining groove 312 bottom surface, the linear contact lay of arc can be formed between curved guiding surface 212 and restraining groove 312 bottom land, namely restraining groove 312 bottom land can position curved guiding surface 212, avoid valve rod 2 to occur double swerve, make operation more stable.The two ends of restraining groove 312 bottom surface also have the enlarging 313 at tendency spool 3 two ends, and the swing that this enlarging 313 is valve rod 2 provides dodges space.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.

Although more employ the terms such as valve body 1, wine outlet duct 11, gas-entered passageway 12 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.

Claims

1. a tap, comprise the valve body (1) with wine outlet duct (11), valve rod (2) and be positioned at the shaft-like spool (3) of valve body (1), the end, one end of described valve rod (2) has connecting head (21), described spool (3) offers attachment hole (31), above-mentioned valve rod (2) is through valve body (1) and connecting head (21) inserts in attachment hole (31), and valve rod (2) can be with movable valve plug (3) to move vertically, gas passage (4) was formed between described connecting head (21) and valve body (1) inwall, described valve body (1) also has and can will cross gas passage (4) gas-entered passageway (12) be connected with the external world and the outlet passageway (13) being communicated with gas passage (4) and wine outlet duct (11), it is characterized in that, air storing cavity (5) is formed between described valve rod (2) periphery wall and valve body (1), the cross section of described attachment hole (31) is strip, and rectangular direction is identical with the length direction of spool (3), described attachment hole (31) madial wall along its length has the air drain (311) be excessively connected with mistake gas passage (4) by air storing cavity (5), described attachment hole (31) also has two restraining grooves be oppositely arranged (312), this two restraining groove (312) was positioned at the both sides of air drain (311), described connecting head (21) is in flat and have the spacing plane (211) that two lay respectively at both sides, described connecting head (21) also has the curved guiding surface (212) towards spool (3) two ends, described curved guiding surface (212) is positioned at restraining groove (312), described spacing plane (211) is relative with restraining groove (312) sidewall, described curved guiding surface (212) can with restraining groove (312) bottom surface against.

2. tap according to claim 1, is characterized in that, described air drain (311) excessively has two, and two mistakes air drain (311) are symmetrical arranged, and the cross section of described air drain (311) is excessively curved.

3. tap according to claim 2, is characterized in that, described air drain (311) of crossing is in vertical bar shape, and length direction is identical with the length direction of attachment hole (31).

4. according to the tap in claim 3 described in any one, it is characterized in that, described spacing plane (211) extends on valve rod (2), and the part that spacing plane (211) is positioned on valve rod (2) is relative with air storing cavity (5) inwall.

5. the tap according to Claims 2 or 3 or 4, it is characterized in that, described connecting head (21) also has and dodges plane (213), described curved guiding surface (212) has two, above-mentioned plane (213) of dodging is positioned between two curved guiding surfaces (212), and described gas passage (4) is excessively positioned at dodges between plane (213) and valve body (1) inwall.

6. the tap according to Claims 2 or 3 or 4, it is characterized in that, described curved guiding surface (212) is sphere, the bottom surface of described restraining groove (312) is cylndrical surface, and the radius of described curved guiding surface (212) is identical with the radius of restraining groove (312) bottom surface.