CN2929383Y - Rail type cock valve - Google Patents
Rail type cock valve Download PDFInfo
- Publication number
- CN2929383Y CN2929383Y CN 200620105067 CN200620105067U CN2929383Y CN 2929383 Y CN2929383 Y CN 2929383Y CN 200620105067 CN200620105067 CN 200620105067 CN 200620105067 U CN200620105067 U CN 200620105067U CN 2929383 Y CN2929383 Y CN 2929383Y
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- CN
- China
- Prior art keywords
- valve
- track
- double
- valve plug
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 3
- -1 steam Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 210000003739 neck Anatomy 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Disclosed is an orbital cock valve comprising a valve body, a valve cover, an operating unit, a valve stem, a valve seat, a sealed secondary valve plug with cone surface formed with the valve seat, and an orbital mechanism, wherein the orbital mechanism comprises an orbital ring with two guide slots which is provided on the neck portion of the valve plug and a double-pin board with two guide pins inserting into the two guide slots, and a block nut and an adjust ring used for adjusting the assemble position of the orbital ring. The utility model makes the valve plug rotate and lift without contacting or less contacting with the seal surface of the valve seat to finish the opening and closing of the valve via the valve plug rotating driven by the valve stem through the operating unit and by means of the guiding and force of the pair of the guide pins. The utility model has simple structure, convenient manufacture and debugging, rapid opening and closing, small force moment of opening and closing, and compact operation, and whose track can be easily cleaned, and which is capable of bearing medium temperature(lower than or equal to 425degree) and medium pressure (6.4Mpa), which can be applied in the conveyer tube control of water, steam, oil products, and the like.
Description
Technical field
The utility model relates to the track type cock valve in a kind of valve.
Background technique
The metal hard-sealing stopcock mainly contains two kinds of structural types, a kind of is the conical stopcock of tightening formula (containing material filling type), its sealing force realizes by the nut of tightening below the valve plug, the deficiency of this structure is that sealing force should not control, nut screwing clamping, the easy wedging of valve plug has been unscrewed envelope incessantly, therefore only limits to the operating mode that is applied to pressure medium≤0.6Mpa; Another kind is the high-temperature wearable stopcock, when opening or closing, lifts valve plug slightly with handle earlier, and then uses the handwheel half-twist, finishes keying.Its deficiency is a complex structure, operates cumbersome." the track stopcock " of Chinese patent 200420024057.7, the disclosed technological scheme of this valve is to make the closure member of valve with sealing block, its moment of rotation drives the nut screw mandrel by rotation hand wheel and passes to cock, the both sides connecting rod is passed through in cock again under the guide mechanism guiding, slide mechanisms such as wedge shape dovetail groove are connected with sealing block, sealing block is done the radial expansion motion when cock moves axially, sealing block is coincide with cylinder radian and body cavity radian or separate, finish the sealing or the unlatching of valve, and cock only plays the driving component effect, this scenario-frame complexity, especially the operating device component part is many, and requirement on machining accuracy is higher; Secondly, be provided with the seal groove structure of built-in Sealing from the sealing block cylndrical surface, if seal with " O " type circle, just reduced the performance of its bearing temperature, pressure, and sealing surface is easily abraded by media particle, lose the wiping examination function of stopcock, should belong to low normal pressure and temperature soft seal valve category.
Summary of the invention
Goal of the invention of the present utility model is to overcome the defective of prior art and the track type cock valve that a kind of simple in structure, convenient processing and debugging, keying operation are light and handy, can bear medium temperature and medium pressure is provided.
Goal of the invention of the present utility model is finished by following technical solution: a kind of track type cock valve, it comprises valve body, valve seat with the valve body expanded joint, valve plug with valve seat formation sealing pair, the valve gap that is connected with valve seal, the valve rod and the valve plug that are connected with valve bonnet seal are in transmission connection, and operation piece and valve rod are in transmission connection, when driving the valve plug rotation by operation piece, realize the rail mounted mechanism that valve opening and closing is finished in the valve plug lifting, it is characterized in that:
A, described rail mounted mechanism comprise the track circle that is in transmission connection at the valve plug neck, be provided with two guiding grooves on the circumferential surface of track circle in the radial symmetric position, by the double-pin plate of radial and axial location and installation in valve body two guide fingers are arranged, pin is gone in two guiding grooves of track circle respectively, at the upper and lower locking nut and the Adjusting ring of adjusting track circle mounting point that also be provided with of track circle;
The junction plane that b, described valve seat and valve plug constitute sealing pair is a conical surface; Described channel cross-section is circular.
Being in transmission connection of described track circle and valve plug neck is connected for two keys.
It is horizontal slot that the guiding groove of described track circle is deployed in 0 °～75 ° sections, and 75 °～90 ° sections extend upward groove for arc.
The filler that is tightly connected and compresses between described valve rod and the valve gap for by gland nut and trim ring.
It is to be provided with 4 equipped straight pins between double-pin plate and the valve body that the radial location of described double-pin plate in valve body installed; It is the interior omoplate and the pressing plate that is located on the double-pin plate of valve body that the axially locating of described double-pin plate in valve body installed.
Supporting on the described double-pin plate guide finger have an axle sleeve.
Compared with prior art, the utility model makes valve plug disengage in process of horizontally rotating and sealing surface of seat by the improvement to rail mounted mechanism, and valve plug is subjected to the constraint of guide finger and guiding groove and guiding progressively to increase and decrease sealing force in the lifting stage, change seal pressure, finish valve opening and closing.Not only keep wiping between traditional stopcock fast opening and closing and sealing surface to study the advantage of usefulness, remedied the defective that sealing force should not be controlled, the easy wedge of valve plug is dead simultaneously; Secondly, be provided with the adjustment element of track circle mounting point, be convenient to adjust, tighten up and overcome machining error; The 3rd, because valve seat is connected by expanded joint with valve body, sealing surface can exceed the about 3mm of valve interior wall, the general stopcock of sealing pair area of contact is approximately little by 85%, and channel cross-section changes circle into, event has simple in structure, and convenient processing and debugging opens and closes characteristics such as quick, that keying moment is little, operate lightly, be convenient to clean the street; The medium temperature and medium pressure characteristics of bearing that possessed hard seal ball valve and hard seal butterfly valve, the Maximum operating temperature that can bear≤425 ℃, Maximum operating pressure≤6.4Mpa, and sealing surface is difficult for being abraded by media particle, overcome the big and little deficiency of flow coefficient of hard seal butterfly valve flow resistance, than the metal ball shaped sealing pair convenient processing and debugging of hard seal ball valve, can be applicable to the control of conveyance conduits such as water, steam, oil product again.
Description of drawings
Fig. 1 is the utility model sectional structure schematic representation (valve opening state figure).
Fig. 2 is a track circle stereogram.
Fig. 3 is a track circle front view.
Fig. 4 is the plan view of Fig. 3.
Fig. 5 is a track circle circumferential outer surface guiding groove unfolded drawing.
Fig. 6 is double-pin plate sectional view (the A-A sectional view of Fig. 7).
Fig. 7 is the plan view of Fig. 6.
Fig. 8 is a double-pin plate stereogram.
Embodiment
Below will be elaborated again to the utility model by above-mentioned accompanying drawing embodiment.
The utility model track type cock valve, as shown in Figure 1, it comprises the valve body 10 with entery and delivery port, and valve gap 15 is threaded with valve body, and both junction plane places are provided with pad 5 sealings.The valve channel Cross section Design is circular, and the passage place is provided with the valve seat with conical surface 9 that expanded joint connects.Valve plug 8 bottoms are the conical surface that matches with valve seat 9, and neck is a worm structure, and the valve plug 8 of conical surface constitutes sealing pairs with the valve seat of conical surface 9, and the two all adopts lost wax casting, has convenient processing and debugging, characteristics with low cost.Valve seat 9 with do the processing of finish turning conical surface and high speed bistrique correct grinding after valve body 10 expanded joints are connected.
The sealing of valve rod 16 realizes by being located at the filler 4 that gland nut 2 in the valve gap 15 and trim ring 3 compress, valve rod 16 forms drive connection with valve plug 8 by square feather joint, the operation piece at valve rod top, this operation piece can be that manually-operable part 1 is by handle (or handwheel), nut, packing ring is formed, form drive connection and rotation synchronously with square feather joint equally, follow closely at valve plug 8 and to rely on rail mounted mechanism to realize elevating movement when the manually-operable part rotates again, realize valve opening and closing, Fig. 1 is valve opening state figure, has slight clearance between the circular cone sealing surface of valve plug and valve seat at this moment.
Described rail mounted mechanism comprises the track circle 7 that is sleeved on valve plug 8 necks, shown in Fig. 2～5, the track circle is selected the casting of 2Cr13 Ludox for use, therefore easy to make, position degree can effectively be guaranteed, formation is in transmission connection two keys 18 on it with the keyway of valve plug 8 necks is equipped, the track circle is provided with two guiding grooves 19 on the radial symmetric position of circumferential surface, the inlet 17 of guiding groove and the position of key 18 angle that staggered, its purpose is not allow key 18 shelter from guiding groove 19 through holes, helps hand finish and grinding to the guiding groove casting plane like this.It is horizontal slot that two guiding grooves 19 are deployed in 0 °～75 ° sections, and 75 °～90 ° sections extend upward groove for arc.What pin was gone into guiding groove is two guide fingers 21 of double-pin plate 12, the double-pin plate is shown in Fig. 6～8, it by radial and axial location and installation in valve body 10, its radial location is promptly beaten pin-and-hole again after being fit into valve body and checking and approving, make the double-pin plate in valve body, be able to the radial location locking by 4 equipped straight pins 13, so the positioning pin hole of joining work 20 of 4 circumference uniform distributions is arranged on the double-pin plate.It is to realize by the interior omoplate of valve body and the pressing plate 14 that is located on the double-pin plate that the axially locating of double-pin plate is installed, when valve aperture is enough big, on two guide fingers 21 of double-pin plate the axle sleeve (not shown) can supportingly be arranged, rolling friction is changed in the sliding friction that produces when guide finger is moved in guiding groove.
At the upper and lower locking nut 6 and the Adjusting ring 11 of also being provided with of track circle, use the mounting point of adjusting track circle 7 simultaneously, overcome machining error.
This stopcock need be through debugging when assembling, when valve plug 8 is packed valve body 10 into, the passage of necessary alignment valve plug and valve seat 9, again by illustrating pack into successively Adjusting ring 11, track circle 7 and double-pin plate 12, this moment, track circle installation direction must be as shown in Figure 4, the guide finger 21 of double-pin plate should be in the B place of the guiding groove 19 outwardly deploying figure among Fig. 5, rotates the high and low position that Adjusting ring is adjusted the track circle up and down then.Screw on pressing plate 14 and locking nut 6 after initial adjustment is finished respectively, use instrument rotation valve plug, check and correction sealing station and track circle mounting point are joined after checking and approving and are made uniform pin-and-hole, and locking double-pin plate requires to finish general assembly according to erection drawing.
The manually-operable part that turns clockwise during valve opening, when driving the valve plug rotation, valve plug rises at the guiding groove of the guiding lower edge of guide finger track circle, breaks away from and the contacting of valve seat, and rotates to the enable possition.Be rotated counterclockwise the manually-operable part during valve closing, drive valve plug and break away from the enable possition, 75 ° of guide finger guiding lower edge track circle horizontal slot rotations, the gap that has 0.01～0.035mm therebetween between valve plug and the valve seat, continue to rotate to 90 ° of processes from 75 ° at valve plug, guide finger begins to extend upward groove along the arc of track circle and slides, because the double-pin plate is fixed, so guiding by guide finger, valve plug is subjected to coercing of guiding groove to make the downward compound motion while changeing, progressively approach, contact and extruding sealing surface of seat, circular cone sealing surface one-sided (behind the deduction gap) can obtain the compress variation of about 0.06mm when going to 90 °, and then produces essential seal pressure, finishes the sealing of valve, because sealing surface exceeds valve interior wall 3mm, the general stopcock of sealing pair area of contact is little by about 85%.It is overproof to consider that processing and assembly process can occur, and the guiding groove of track circle has extended back one section again, and it makes valve plug behind the in-position, also can cross and close downward operation 0.75mm from the process of rotation again, obtains the one-sided variable of 0～0.05mm again.The valve of big specification can increase variable and gap by the change of track, adjusts also can change sealing station zero point, stops wear allowance.
Claims (6)
1, a kind of track type cock valve, it comprises valve body (10), valve seat (9) with the valve body expanded joint, valve plug (8) with valve seat formation sealing pair, the valve gap that is connected with valve seal (15), the valve rod that is connected with valve bonnet seal (16) is in transmission connection with valve plug (8), and operation piece (1) is in transmission connection with valve rod, when driving the valve plug rotation by operation piece, realize the rail mounted mechanism that valve opening and closing is finished in the valve plug lifting, it is characterized in that:
A, described rail mounted mechanism comprise the track circle (7) that is in transmission connection at valve plug (8) neck, be provided with two guiding grooves (19) on the circumferential surface of track circle in the radial symmetric position, by the double-pin plate (12) of radial and axial location and installation in valve body two guide fingers (21) are arranged, pin is gone in two guiding grooves of track circle respectively, at the upper and lower locking nut (6) and the Adjusting ring (11) of adjusting track circle mounting point that also be provided with of track circle;
B, described valve seat (9) are conical surface with the junction plane that valve plug (8) constitutes sealing pair; Described channel cross-section is circular.
2, track type cock valve according to claim 1 is characterized in that being in transmission connection of described track circle (7) and valve plug (8) neck is connected for two keys.
3, track type cock valve according to claim 1, it is horizontal slot that the guiding groove (19) that it is characterized in that described track circle (7) is deployed in 0 °～75 ° sections, 75 °～90 ° sections extend upward groove for arc.
4, track type cock valve according to claim 1 is characterized in that the filler (4) that is tightly connected and compresses for by gland nut (2) and trim ring (3) between described valve rod (16) and the valve gap (15).
5, track type cock valve according to claim 1 is characterized in that it is to be provided with 4 equipped straight pins (13) between double-pin plate and the valve body that the radial location of described double-pin plate (12) in valve body (10) installed; It is the interior omoplate and the pressing plate (14) that is located on the double-pin plate of valve body that the axially locating of described double-pin plate (12) in valve body (10) installed.
6,, it is characterized in that the last supporting axle sleeve that has of described double-pin plate guide finger (21) according to each described track type cock valve of claim 1～5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105067 CN2929383Y (en) | 2006-06-23 | 2006-06-23 | Rail type cock valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105067 CN2929383Y (en) | 2006-06-23 | 2006-06-23 | Rail type cock valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2929383Y true CN2929383Y (en) | 2007-08-01 |
Family
ID=38307765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620105067 Expired - Lifetime CN2929383Y (en) | 2006-06-23 | 2006-06-23 | Rail type cock valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2929383Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303089B (en) * | 2008-07-02 | 2011-06-01 | 胜利油田胜利阀业有限责任公司 | Globe valve |
| CN102966754A (en) * | 2011-08-29 | 2013-03-13 | 王姝 | Valve of eccentric circle opening combined valve core |
| CN103671980A (en) * | 2013-12-31 | 2014-03-26 | 中国船舶重工集团公司第七�三研究所 | Valve rod upward quick-acting mechanism of valve |
| US10001218B2 (en) | 2013-07-24 | 2018-06-19 | Shanghai Hongyan Returnable Transit Packagings Co., Ltd. | Hinged valve |
| CN110145638A (en) * | 2019-05-10 | 2019-08-20 | 西诺威阀门控制（苏州）有限公司 | A kind of orbit ball valve guiding mechanism |
| US10641399B2 (en) | 2014-01-08 | 2020-05-05 | Shanghai Hongyan Returnable Transit Packagings Co., Ltd. | Valve |
-
2006
- 2006-06-23 CN CN 200620105067 patent/CN2929383Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303089B (en) * | 2008-07-02 | 2011-06-01 | 胜利油田胜利阀业有限责任公司 | Globe valve |
| CN102966754A (en) * | 2011-08-29 | 2013-03-13 | 王姝 | Valve of eccentric circle opening combined valve core |
| CN102966754B (en) * | 2011-08-29 | 2015-03-11 | 王姝 | Valve of eccentric circle opening combined valve core |
| US10001218B2 (en) | 2013-07-24 | 2018-06-19 | Shanghai Hongyan Returnable Transit Packagings Co., Ltd. | Hinged valve |
| CN103671980A (en) * | 2013-12-31 | 2014-03-26 | 中国船舶重工集团公司第七�三研究所 | Valve rod upward quick-acting mechanism of valve |
| CN103671980B (en) * | 2013-12-31 | 2015-09-16 | 中国船舶重工集团公司第七�三研究所 | A kind of valve rod upwards quick-acting mechanism |
| US10641399B2 (en) | 2014-01-08 | 2020-05-05 | Shanghai Hongyan Returnable Transit Packagings Co., Ltd. | Valve |
| CN110145638A (en) * | 2019-05-10 | 2019-08-20 | 西诺威阀门控制（苏州）有限公司 | A kind of orbit ball valve guiding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070801 |
|
| EXPY | Termination of patent right or utility model |