CN2348193Y - Spherical offset cup valve - Google Patents
Spherical offset cup valve Download PDFInfo
- Publication number
- CN2348193Y CN2348193Y CN 97247722 CN97247722U CN2348193Y CN 2348193 Y CN2348193 Y CN 2348193Y CN 97247722 CN97247722 CN 97247722 CN 97247722 U CN97247722 U CN 97247722U CN 2348193 Y CN2348193 Y CN 2348193Y
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- valve plate
- valve
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- valve body
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Abstract
The utility model relates to a spherical offset cup valve, composed of an upper valve body, a sealing ring, a valve plate, a lever, a main shaft, a driving mechanism, a lower valve body and a centre pin shaft. The sealing face of the valve body is made into a parabola-shaped spherical face. The sealing ring is arranged on the bottom of a cavity of the upper valve body, forming a sealing pair with the valve plate. The centre pin shaft and the valve plate hole are provided with a space. The valve plate forms a self centering seal structure. One end of the lever is fixedly connected with the main shaft, and the other end is sheathed on the centre pin shaft integrally. The driving mechanism is provided with an output shaft connected with the main shaft. The main shaft rotates, driving the lever to swing up and down and driving the valve plate to move in an arc. The valve plate is opened, offset beside a channel into an offset structure, reducing abrasion and prolonging the service life. The utility model has the advantages of automatic control, flexible opening and closing, and sealing without leakage.
Description
The utility model relates to a kind of clock valve of valve field, particularly relates to the spherical offset formula clock valve that flows and seal of media such as the various coal dusts of a kind of may command, dirt gas.
Existing common clock valve, its structure is illustrated in as " external valve mechanism is with reference to atlas " (Shenyang Valve Inst.'s volume, version in 1994), (Ministry of Machine-Building Industry compiles " valve products sample ", nineteen ninety-five version) etc. in the publication, though it can provide user one to have the clock valve of control effect, really has progressive, but when using, reality finds also to have in its structure some shortcomings, cause common clock valve in practical application, to fail to reach best using effect, for example existing common clock valve coal dust when blanking is flushed on its clock body, causes very quick-wearing and produce poorly sealed problem of this clock body; Secondly common clock valve also has and opens clock body drop distance weak point down, and its annular exit influences the defective of the speed of blanking.This shows that above-mentioned existing clock valve still has deficiency, and the assistant officer waits to be improved.
Because the defective that above-mentioned existing clock valve exists, the design people actively study innovation based on abundant practical experience and professional knowledge, through constantly studying, design, and after studying sample and improvement repeatedly, creates the utility model finally.
Main purpose of the present utility model is, overcome the defective that existing clock valve exists, and a kind of spherical offset formula clock valve of new structure is provided, make its have can satisfy in the riser that medium is coal dust, dirt gas control separately, the automatic control of centralized control or computer control etc. and realize the effect of reliable sealing.
The purpose of this utility model is to be realized by following technological scheme.According to a kind of spherical offset formula clock valve that the utility model proposes, comprise valve rod, valve seat and valve body, it is characterized in that it is mainly by upper valve body, seal ring, valve plate, lever, main shaft, driving mechanism, valve body and central pin shaft etc. are formed down, the sealing surface of this valve plate is made parabola shaped sphere, and has location and sealability preferably.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid spherical offset formula clock valve, wherein: this upper valve body, it is linked into an integrated entity by screw with following valve body; The sealing circle is arranged at the bottom surface of aforementioned upper valve body inner chamber, and forms sealing pair with valve plate; This valve plate, its sealing surface is processed into parabola shaped sphere, and the valve plate hole at central pin shaft and valve plate center is provided with appropriate gap, and valve plate forms the structure of self centering seal, can guarantee that ball face sealing face that valve plate is parabola shaped and seal ring have to locate preferably and seal; This lever, the one end is connected mutually with main shaft, and the other end is sheathed on central pin shaft and connects as one; This main shaft is connected with the shaft joint of the output shaft setting of driving mechanism, and the drive mechanism main shaft becomes rotating main shaft, and this main axis rotation drives lever and swings up and down motion; This driving mechanism, be provided with output shaft, this output shaft is provided with shaft joint and is connected with main shaft, this main shaft is provided with key and is connected mutually with an end of lever, and the other end of lever is sheathed on central pin shaft and is connected in one, and this central pin shaft and valve plate are movably connected, the drive mechanism main shaft, this main axis rotation drives lever and swings up and down motion, and then the drive valve plate is made arcuate movement, the switching motion of realization valve; Valve plate is offset to passage next door one side and is the offset structure when opening, make and not wash away as the medium of coal dust, dirt gas spherical sealing surface to valve plate, can significantly reduce the wearing and tearing of valve plate, improve working life, simultaneously the resistance material phenomenon can not take place, make the operation of clock valve light, increase work efficiency; This time valve body, it sets firmly with screw and upper valve body and links into an integrated entity; This central pin shaft, one end are arranged in the center hole of valve plate and support valve plate, and end sets firmly with lever and links into an integrated entity in addition.
Aforesaid spherical offset formula clock valve, wherein said seal ring is arranged at the bottom surface of this upper valve body inner chamber, is provided with pressing plate below the sealing circle, and sealing circle and pressing plate are fixedly arranged on the inner chamber bottom surface of upper valve body with screw, and form sealing pair with valve plate.
Aforesaid spherical offset formula clock valve, its upper end large-diameter portion of wherein said central pin shaft is arranged in the central blind hole of valve plate, and the support valve plate, and be provided with gland in the central blind hole bottom surface of valve plate, this gland is fixedly arranged on the bottom surface of valve plate with screw, and is covered on the bottom surface of central pin shaft upper end large-diameter portion, and central pin shaft and valve plate are formed the structure that flexibly connects, the lower end of this central pin shaft is then overlapped in the hole that is fixed in lever end, and is provided with taper pin and sets firmly mutually with lever and link into an integrated entity.
The utility model compared with prior art has tangible advantage and good effect.By above technological scheme as can be known, the utility model spherical offset formula clock valve, solution has been eliminated at present existing common clock valve coal dust when blanking the erosive wear and the common clock valve of clock body sealing surface fallen the few resistance material phenomenon of distance when being opened, and its driving mechanism that adopts can be realized independent control, centralized control again or by computer control, and can satisfy the requirement of automatic control, and has the effect of reliable sealing; It makes the clock valve have the better seal performance, has to open and close flexible, manipulation automation in the riser of coal dust, dirt gas, and seals leak free effect; Simultaneously, this valve plate was offset to the side of passage when valve plate was opened, and made not wash away as the medium of coal dust, the dirt gas spherical sealing surface to valve plate, thereby can significantly reduce the wearing and tearing of valve plate, the working life of having improved product.No matter it structurally or bigger improvement is all arranged on the function, and have large improvement technically, and produced handy and practical effect, and have the enhancement effect really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.
Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the partial, longitudinal cross-sectional of the utility model spherical offset formula clock valve.
Below in conjunction with accompanying drawing and preferred embodiment, to according to special-purpose its concrete structure of ball valve of the Coal powder spray that the utility model proposes, feature and effect thereof, describe in detail as after.
See also shown in Figure 1, the utility model spherical offset formula clock valve, mainly form by upper valve body 1, seal ring 2, valve plate 4, lever 5, main shaft 7, driving mechanism 8, following valve body 11 and central pin shaft 12 etc., it mainly improves and is, the sealing surface of valve plate 4 is made parabola shaped sphere, and have location and sealability preferably, wherein:
This upper valve body 1, it is linked into an integrated entity by screw 10 with following valve body 11.
Sealing circle 2 is arranged at the bottom surface of aforementioned upper valve body 1 inner chamber, is provided with pressing plate 3 below the sealing circle 2, and seal ring 2 and pressing plate 3 are fixedly arranged on the inner chamber bottom surface of upper valve body 1 with screw 16, and forms sealing pairs with valve plate 4, and realizes sealing.
This valve plate 4, its sealing surface is processed into parabola shaped sphere, and central pin shaft 12 has appropriate gap with the valve plate hole at valve plate 4 centers, have the effect of self-alignment and reliable sealing at this matching gap lower valve plate 4, can guarantee that ball face sealing face that valve plate 4 is parabola shaped and seal ring 2 have to locate preferably and seal.Because valve plate 4 is provided with parabola shaped sphere, and has suitable gap with central pin shaft 12, and make valve plate 4 have centering and desirable surface of contact preferably, make sealing pair form better seal.Valve plate 4 is when opening, this valve plate 4 is offset to passage next door one side and is the offset structure, because valve plate 4 is offset to the next door of passage, feasible medium as coal dust, dirt gas can not be flushed on the spherical sealing surface of valve plate 4 along feedstock direction K blanking the time, so can not damage the sealing face, thereby can significantly reduce the wearing and tearing of valve plate 4, thereby can improve the working life of clock valve, simultaneously the resistance material phenomenon can not take place, and can make the operation of clock valve light, increase work efficiency when blanking.
This lever 5, the one end is connected mutually with main shaft 7, and the other end is sheathed on central pin shaft 12 and connects as one.
This main shaft 7 is connected with the shaft joint of driving mechanism 8 output shaft settings, and main shaft 7 is provided with key 6 and is connected mutually with an end of lever 5,7 one-tenth rotating main shafts of driving mechanism 8 drive main spindle, and main shaft 7 rotations drive lever 5 and swing up and down motion (as shown in phantom in FIG.).
This driving mechanism 8, be provided with output shaft, this output shaft is provided with the shaft joint (not shown) and is connected with main shaft 7, main shaft 7 is provided with key 6 and is connected mutually with an end of lever 5, the other end of lever 5 is sheathed on central pin shaft 12 and connects as one, central pin shaft 12 is movably connected with valve plate 4, thereby by driving mechanism 8 drive main spindle 7, these main shaft 7 rotations drive lever 5 and swing up and down motion (shown in the dotted line among the figure), and then drive valve plate 4 is made arcuate movement, thereby realize the switching motion of valve, reach and when opening, realize media flow, realize the effect of sealing when closing.
This time valve body 11, it sets firmly with screw 10 and upper valve body 1 and links into an integrated entity.
This central pin shaft 12, its upper end large-diameter portion is arranged in the central blind hole of valve plate 4, and support valve plate 4, and be provided with gland 15 in the central blind hole bottom surface of valve plate 4, this gland 15 is fixedly arranged on the bottom surface of valve plate 4 with screw 14, and is covered on the bottom surface of central pin shaft 12 upper end large-diameter portions, and central pin shaft 12 and valve plate 4 are formed the structure that flexibly connects, the lower end of this central pin shaft 12 is then overlapped in the hole that is fixed in lever 5 ends, and is provided with taper pin 13 and sets firmly mutually with lever 5 and link into an integrated entity.
In the processing technology of its main parts size of the utility model spherical offset formula clock valve, the parabola shaped sphere of valve plate 4 need use special purpose machine tool to process, and the remaining part component then can utilize the manufacturing process of common valve to realize, do not repeat them here.
Claims (4)
1, a kind of spherical offset formula clock valve, comprise valve rod, valve seat and valve body, it is characterized in that it mainly is made up of upper valve body, seal ring, valve plate, lever, main shaft, driving mechanism, following valve body and central pin shaft, the sealing surface of this valve plate is made parabola shaped sphere.
2, spherical offset formula clock valve according to claim 1 is characterized in that wherein:
This upper valve body, it is linked into an integrated entity by screw with following valve body;
The sealing circle is arranged at the bottom surface of aforementioned upper valve body inner chamber, and forms sealing pair with valve plate;
This valve plate, its sealing surface is processed into parabola shaped sphere, and the valve plate hole at central pin shaft and valve plate center is provided with appropriate gap, the structure of valve plate formation self centering seal;
This lever, the one end is connected mutually with main shaft, and the other end is sheathed on central pin shaft and connects as one;
This main shaft is connected with the shaft joint of the output shaft setting of driving mechanism, and the drive mechanism main shaft becomes rotating main shaft, and this main axis rotation drives lever and swings up and down motion;
This driving mechanism, be provided with output shaft, this output shaft is provided with shaft joint and is connected with main shaft, this main shaft is provided with key and is connected mutually with an end of lever, the other end of lever is sheathed on central pin shaft and is connected in one, and this central pin shaft and valve plate are movably connected, the drive mechanism main shaft, this main axis rotation drives lever and swings up and down motion, and then the drive valve plate is made arcuate movement; Valve plate is offset to passage next door one side and is the offset structure when opening;
This time valve body, it sets firmly with screw and upper valve body and links into an integrated entity;
This central pin shaft, one end are arranged in the center hole of valve plate and support valve plate, and end sets firmly with lever and links into an integrated entity in addition.
3, spherical offset formula clock valve according to claim 2, it is characterized in that described seal ring is arranged at the bottom surface of upper valve body inner chamber, be provided with pressing plate below the sealing circle, sealing circle and pressing plate are fixedly arranged on the inner chamber bottom surface of upper valve body with screw, and form sealing pair with valve plate.
4, according to claim 1,2 or 3 described spherical offset formula clock valves, it is characterized in that its upper end large-diameter portion of described central pin shaft is arranged in the central blind hole of valve plate, and the support valve plate, and be provided with gland in the central blind hole bottom surface of valve plate, this gland is fixedly arranged on the bottom surface of valve plate with screw, and be covered on the bottom surface of central pin shaft upper end large-diameter portion, central pin shaft and valve plate are formed the structure that flexibly connects, the lower end of this central pin shaft is then overlapped in the hole that is fixed in lever end, and is provided with taper pin and sets firmly mutually with lever and link into an integrated entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97247722 CN2348193Y (en) | 1997-11-07 | 1997-11-07 | Spherical offset cup valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97247722 CN2348193Y (en) | 1997-11-07 | 1997-11-07 | Spherical offset cup valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2348193Y true CN2348193Y (en) | 1999-11-10 |
Family
ID=33955129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97247722 Expired - Fee Related CN2348193Y (en) | 1997-11-07 | 1997-11-07 | Spherical offset cup valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2348193Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968120A (en) * | 2010-10-26 | 2011-02-09 | 南京汇高阀业有限公司 | Eccentric rotary valve |
-
1997
- 1997-11-07 CN CN 97247722 patent/CN2348193Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968120A (en) * | 2010-10-26 | 2011-02-09 | 南京汇高阀业有限公司 | Eccentric rotary valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |