CN2211523Y - Flat assembled valve - Google Patents

Abstract

The utility model relates to a multiple flow channel control valve which is provided with an upper valve body, a lower valve body, and a valve core. The valve core is installed in the valve chamber between the upper and the lower two valve bodies, and the inner end face of at least one valve body of the upper and the lower two valve bodies is provided with a plane which is mutually matched with the end face of the valve core. The inner end face which is mutually matched with the end face of the valve core is provided with a valve port, and the valve core is provided with a punched hole. The middle of the valve core is vertically provided with a rotating positioning shaft. An inclined hole which is departure from the vertical is arranged in the punched hole on the valve core particularly. The utility model has the advantages of good sealing, flexible rotation of the valve core, low failure rate, convenient manufacture, etc.

Description

Flat assembled valve

The utility model relates to a kind of valve, especially a kind of multithread road control valve.

Publication number is that the Chinese invention patent application specification of CN1042977A discloses a kind of multifunction integrated valve, and this integrated valve has upper and lower valve body and discoideus spool.Spool is installed in the valve pocket that forms between the upper and lower valve body, and the upper and lower end face of the interior edge face of upper and lower valve body and spool is the plane that cooperatively interacts.Interior edge face at upper and lower valve body is provided with valve port, offers vertical perforation between the upper and lower end face of spool.The middle part of spool has the rotating shaft of fixedlying connected with spool, and the two ends of this rotating shaft are respectively by upper and lower valve body supporting.The vertical perforation of each that is provided with on the spool of this integrated valve separates setting, no intercommunicating pore or groove between each perforation.This valve does not fully improve valve core structure, and the interior edge face that relies on upper and lower valve body fully is provided with numerous valve ports and connecting tube or groove and realizes the control of multichannel program mode runner.Respectively boring a hole on its spool all is provided with by vertical (being the axial of valve core shaft), not only makes the aperture that is positioned at the upper and lower end face of spool relative one by one on vertically, and the corresponding corresponding valve port that is positioned at upper and lower valve body interior edge face that makes also need upper and lower being oppositely arranged.The problem of bringing thus is: valve port quantity is too much on a. valve body.This not only brings difficulty to manufacturing, and the numerous seal rings that are positioned at valve port are close to spool, causes the valve core rotation difficulty; Even more serious is, in the time of in hydraulic fluid enters valve, except that a few valve port relative with the spool perforation, most valve ports are all by the spool shutoff, under fluid pressure action, can produce the very big active force that valve body and spool are strutted, this will cause seal ring ineffective, and each valve port seriously leaks, and stay in the gap that is strutted even fluid is taken seal ring out of, spool is in case rotation by force promptly can make seal ring or spool damage.Its perforation was being squeezed at the circus movement track of valve body interior edge face and is being arranged when b. numerous valve port can only be correspondingly by valve core movement.This brings difficulty for manufacturing heavy caliber integrated valve, also can be even create greatly and heavy, and sealing is bigger with the problem of rotating.

The purpose of this utility model is that the valve core structure to above-mentioned existing integrated valve improves, provide that a kind of valve port is few, valve core rotation flexibly, the plane integrated valve of good sealing effect, long service life.

Plane of the present utility model integrated valve has upper valve body, following valve body and discoid spool.Upper and lower valve body is connected as a single entity by bolt, and spool is installed in the valve pocket that forms between the upper and lower valve body.The interior edge face of at least one valve body in the upper and lower valve body is the plane that cooperatively interacts with corresponding with it spool end, offers valve port at the described valve body interior edge face that cooperates with the spool end plane, and spool is provided with perforation.The spool middle part vertically is provided with the rotating position axle.In the utility model, have slanted apertures in the perforation that is provided with on the above-mentioned spool especially, that is depart from vertical perforation.The path of this slanted apertures can be straight line, also can be broken line or curve.It both can be the continuous intercommunicating pore or the communication chamber at least two apertures that will be positioned at the same end face of spool, can also be to lay respectively at the intercommunicating pore or the communication chamber of the oblique connection in aperture of the upper and lower end face of spool.Certainly, can also be both at least two apertures of the same end face of spool to be connected, compound intercommunicating pore or the communication chamber that simultaneously aperture on the different end faces of spool is connected again.When it was the slanted apertures that the aperture on the different end faces is connected with spool, the aperture that lays respectively at the upper and lower end face of spool was no longer relative one by one on vertically.In this integrated valve, because the perforation on the spool has comprised above-mentioned slanted apertures, the aperture of the same end face of spool is communicated, can make the aperture of the upper and lower end face of spool no longer relative one by one on vertically again, the flexibility that the aperture is arranged on the spool greatly improves.For example, can make that two or more apertures of same end face are interconnected on the spool, and each aperture does not communicate with aperture on the other end; Two apertures of the different end faces of spool are communicated, and this two aperture is no longer relatively vertical; One or more apertures of spool upper-end surface are connected with one or more apertures of spool lower end surface simultaneously.Because the aperture of the upper and lower end face of spool is directly corresponding with the valve port that upper and lower valve body interior edge face is offered, after the flexibility that the aperture is arranged on the spool improves, cause that inevitably the flexibility that valve port is arranged on the valve body improves.This not only helps the processing and fabricating of valve body, what is more important can reduce the quantity of set valve port and connectivity slot on the valve body, thereby improve the performance of integrated valve effectively, overcome all disadvantages that aforementioned existing integrated valve is numerous because of valve port, the inconvenience adjustment of valve port position brings naturally.For example, when two valve ports of a certain valve body of designing requirement need communicate during at a certain station, can on spool, offer the inclined hole that two apertures with same end face are connected, and make the position in two apertures just relative when this station with two valve port positions of desire connection, and need not on valve body, to be provided with intercommunicating pore or the groove that two valve ports are linked to each other.And for example, in aforementioned existing integrated valve, when two valve ports of designing requirement upper valve body and following valve body one goes out head piece (or inflow port) and communicates respectively under two kinds of stations, except that need are offered two valve ports at upper valve body, are offered on spool the corresponding with it vertical perforation, still need and offering two valve ports relative (one of them goes out head piece with described valve body down or inflow port communicates) on the valve body down, and between two valve ports of following valve body, establish connectivity slot with upper valve body valve port position.And in this integrated valve, only need to change the vertical perforation that is provided with on the spool into two slanted apertures, and the aperture that makes these two slanted apertures that are positioned at the spool lower end surface joins with the same valve port of following valve body (going out the valve port that head piece or inflow port communicate with above-mentioned valve body down) under two kinds of stations respectively, and the aperture, spool upper-end surface that makes two slanted apertures under two kinds of stations in turn with upper valve body on aforementioned two valve ports offered join, can meet design requirement., not only descend the valve port position that is provided with on valve body flexible arrangement as required herein, needn't impose relatively on vertical, the more important thing is that minimizing is provided with a valve port and connectivity slot on valve body down with the corresponding valve port of upper valve body.Though the quantity of boring a hole on the spool increases to some extent, can not add the active force that valve body and spool are strutted thus, and the processing perforation is more or less freely on spool.With reference to above-mentioned design proposal, by a plurality of slanted apertures that connect by special type are set on spool, also can satisfy the requirement of the program mode control of the multichannel runner that integrated valve is proposed, and need not to satisfy this requirement on valve body by too much valve port and connectivity slot are set.In addition,, and inclined hole or the vertical perforation that the aperture with the upper and lower end face of spool is connected is not set on spool, can makes this integrated valve finish the control function yet even the slanted apertures that the aperture that will be positioned at the same end face of spool is connected only is set.At this moment, promptly only need allow the spool end and the valve body interior edge face on the other side that offer the aperture be the plane that cooperatively interacts, and offer valve port at this valve body interior edge face.With regard to end face within the spool other end of not offering the aperture and corresponding with it another valve body, the two is the plane for cooperatively interacting not, and needn't offer valve port again on this another valve body interior edge face.

Integrated valve of the present utility model compared with the aforementioned existing similar products has the following advantages: few, the good seal of valve port on a. valve body; B. valve core rotation is not light flexibly, and is easy to wear and pull, and the life-span is long; C. valve body is difficult for being strutted by hydrodynamic pressure, and seal ring and spool are not fragile, and rate of fault is low, and running is reliable; D. simple structure, seal ring is few, and assembling, dismounting and maintenance are all very convenient; E. easy to manufacture, saving of labor, material-saving can be made the little light heavy caliber integrated valve of body.

Content of the present utility model further illustrates with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.

Fig. 1 is the structural representation of integrated valve among the embodiment.

Fig. 2 is a upper valve body plan view among Fig. 1.

Fig. 3 is a spool plan view among Fig. 1.

Fig. 4 is a following valve body plan view among Fig. 1.

As shown in Figure 1, the integrated valve among the embodiment has upper valve body 1, following valve body 2, discoid spool 3 and actuation gear 4, and upper and lower valve body is installed in the valve pocket 6 that forms between the upper and lower valve body 1,2 by be connected as a single entity spool 3 and actuation gear 4 of plurality of bolts 5.The interior edge face of upper and lower valve body 1,2 (being the lower end surface of upper valve body and the upper-end surface of following valve body) is the plane that cooperatively interacts with the upper and lower end face of spool 3.Edge at spool 3 is provided with driving cog, and this driving cog is meshed with the gear teeth of actuation gear 4.Vertically be provided with rotating position axle 7 at the spool middle part, this positioning shaft 7 is for connecting the axostylus axostyle of upper and lower valve body, and its two ends offer screw thread, and has the gland nut 8 that cooperates with it.Spool 3 is provided with axis hole 9, and spool places on the axostylus axostyle formula positioning shaft 7 by this shaft hole sleeve.In the present embodiment, the interior edge face of upper valve body is provided with valve port 10～13, has also offered actuation gear axis hole 14 and sight hole 15 on upper valve body.Wherein, sight hole 15 is relative with spool 3, and sight hole is provided with the sight hole closure plate of being made by transparent material 16.On spool 3, has the upper and lower relative vertical perforation 17,18 in its aperture.Simultaneously, also have the slanted apertures 20 with the mutually oblique connection in aperture of different end faces, this slanted apertures is respectively 21,22 in the aperture of the upper and lower end face of spool.Herein, the upper-end surface of spool 3 is provided with aperture 23,19 especially, and is provided with the communication chamber 24 with its oblique connection.In addition, be provided with aperture 25 in the lower end surface of spool 3, this aperture 25 also is communicated with aperture, upper- end surface 23,19 through communication chamber 24.Also that is to say that communication chamber 24 will be located on 2 apertures of upper-end surface and be positioned at an aperture connection of lower end surface, thereby constitute compound slanted apertures.The communication chamber of Cai Yonging also can be replaced by intercommunicating pore herein.In this example, be provided with valve port 26～33, and be provided with intercommunicating pore 34～37 in the valve body down at following valve body interior edge face.

When using this integrated valve, can drive spool 3 by rotational driving gear 4 and rotate, the station of spool 3 is changed, to realize the program mode control of multichannel runner, the station of spool can be observed by sight hole 15.Under spool station shown in Figure 1, because of the aperture 23 of upper valve body valve port 13 with the spool upper-end surface joins, communicate with aperture, spool upper-end surface 19 and aperture, spool lower end surface 25 through communication chamber 24 because of aperture 23 again, and aperture 19 joins with upper valve body valve port 10, aperture, spool lower end surface 25 joins with following valve body valve port 31, so make upper valve body valve port 13 and 10 with joining with following valve body valve port 31.Also that is to say, when by upper valve body valve port 13 and 10 simultaneously during influent stream, can go out stream by valve body valve port 31 down.Otherwise, when by following valve body valve port 31 influent streams, can go out stream simultaneously by upper valve body valve port 13 and 10.In addition, under this station, vertically bore a hole 17 two ends of spool join with upper valve body valve port 11 and following valve body valve port 26 respectively.When upper valve body valve port 11 influent streams, can go out stream by following valve body valve port 26, otherwise, during valve body valve port 26 influent streams, can go out stream instantly by upper valve body valve port 11.

In the present embodiment, the purpose that valve core rotation positioning shaft 7 is set to the axostylus axostyle form is to be convenient in its end gland nut is set, make it auxiliary to the compressing of upper and lower valve body, strutted by hydrodynamic pressure further to prevent the two, and increase sealing effect from the valve central position.When less or working fluid pressure is little when valve body, also can adopt in the aforementioned existing integrated valve structural type that the rotating position axle is fixed on the spool.At this moment, the two ends of this rotatingshaft no longer are provided with gland nut, and should make its two ends by the axle bed supporting that is arranged on the upper and lower valve body.Under this structural type, when rotatingshaft had the axle head that is exposed to the valve body outside, sight hole 15 can not be provided with, and the station of spool can be indicated by the orientation of this exposed axle head.In addition, the spool edge of this moment can not established driving cog, and actuation gear 4 also can be removed, and by the rotary shaft end that rotation exposes, can make valve core rotation.

Integrated valve of the present utility model also can be copied existing integrated valve, sets up flow regulator and pressure regulator that intercommunicating pore is a valve pocket, enforcement is regulated to valve body intercommunicating pore overflow section with valve body.In addition, when the specific requirement according to the control of multichannel runner program mode designs and produces this integrated valve, should reach designing requirement by on spool, offering slanted apertures as far as possible, reduce the valve port on the valve body as far as possible, to obtain optimal effectiveness.

Claims (4)

1, a kind of plane integrated valve, have upper valve body, following valve body and discoid spool, upper and lower valve body is connected as a single entity by bolt, spool is installed in the valve pocket that forms between the upper and lower valve body, the interior edge face of at least one valve body in the upper and lower valve body is the plane that cooperatively interacts with corresponding with it spool end, offer valve port at the described valve body interior edge face that cooperates with the spool end plane, spool is provided with perforation, the spool middle part vertically is provided with the rotating position axle, has slanted apertures in the perforation that it is characterized in that being provided with on the described spool.

2, integrated valve as claimed in claim 1 is characterized in that the slanted apertures that described slanted apertures is connected at least two apertures that will be positioned at the same end face of spool.

3, integrated valve as claimed in claim 1 is characterized in that the slanted apertures that described slanted apertures is connected for the aperture that will lay respectively at the upper and lower end face of spool.

4, as claim 1 or 2 or 3 described integrated valves, it is characterized in that the vertical rotating position axle that is provided with in described spool middle part is for connecting the axostylus axostyle of upper and lower valve body, the gland nut that the two ends of this axostylus axostyle have screw thread and cooperate with it, spool is provided with axis hole, and spool places on the described axostylus axostyle by this shaft hole sleeve.

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