CN103438268A - Composite opening and closing device of high-pressure valve - Google Patents
Composite opening and closing device of high-pressure valve Download PDFInfo
- Publication number
- CN103438268A CN103438268A CN2013102163155A CN201310216315A CN103438268A CN 103438268 A CN103438268 A CN 103438268A CN 2013102163155 A CN2013102163155 A CN 2013102163155A CN 201310216315 A CN201310216315 A CN 201310216315A CN 103438268 A CN103438268 A CN 103438268A
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- ball valve
- gear
- tooth bar
- valve
- cone
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Abstract
The invention relates to a composite opening and closing device of a high-pressure valve. The composite opening and closing device is composed of five parts including a hand wheel, a multi-layer composite rack, a ball valve component, a cone valve component and a frame, wherein the hand wheel is rotated by external force, so as to drive the multi-layer composite rack to do a reciprocating motion from left to right; gears on a cone valve and a ball valve are intermittently engaged with corresponding racks, so as to drive the cone valve and the ball valve to intermittently rotate and complete the sequential opening and closing motion of the high-pressure valve; arc locking devices which are positioned on a cone valve stem and a ball valve stem are driven by the racks, and when the arc locking devices are rotated, the locking states of the cone valve stem and the ball valve stem are controlled. The composite opening and closing device has the advantages that (1) the sequential motion of the opening and closing device of the high-pressure valve is guaranteed, and the rotation is smooth, steady and quick with labor saving; (2) the locking requirement on the valve stems after movement is preferably guaranteed by the arc locking devices; (3) parts mainly include basic racks and the gears, the production cost is low, and the parts are easily maintained; (4) a double-sealing structure of the cone valve and the ball valve is adopted, so that the sealing is reliable; flexible connection is adopted during assembly, so that a cone valve body and a ball valve body are easily replaced, and the use cost is reduced.
Description
Technical field
The present invention relates to a kind of device for valve opening and closing, particularly relate to high pressure valve.
Background technique
High pressure valve is mainly used in the industries such as electric power, oil, chemical industry, metallurgy.The operating mode of high pressure valve is more severe, very easily leaks, and especially interior the leakage, under the effect of High Temperature High Pressure, cause inefficacy very soon after valves leakage.In order to prevent this from occurring, domestic and international valve manufacturing enterprise, make every effort to strengthen the seal arrangement of valve, movable combination valve as Hunan Hongyuan High Press Valve Co., Ltd.'s production, just take cone valve and ball valve double seal, thoroughly solved the persistent ailment of valve leak, really realized zero leakage.But this device has adopted cam as driving mechanism, so operated valve requires great effort while opening and closing very much, and cam is the higher pair contact, and unit stress is larger, and cam easily damages, and changes more frequent.
Summary of the invention
In order to solve the above problem, the invention provides a kind of order switching motion that utilizes the compound tooth bar of multiple layer to realize high pressure valve, and guarantee cone valve and ball valve double seal.
the technical solution adopted for the present invention to solve the technical problems is:
Apparatus of the present invention are comprised of five parts such as handwheel, the compound tooth bar of multiple layer, ball valve element, cone valve parts and frameworks.
Wherein, the outer power of handwheel is rotated, and drives the left and right to-and-fro motion of the compound tooth bar of multiple layer.The concrete distribution of tooth bar on the compound tooth bar of multiple layer is incomplete tooth bar state, and (on tooth bar, there is tooth some areas, some areas are anodontia), cone valve and ball valve cog and the intermittent engagement of corresponding tooth bar, drive cone valve and ball valve intermittent rotary, complete the order switching motion of high pressure valve.Be positioned at the upper circular arc locking engagement of conical valve stem and ball valve rod by rack drives, control the locking state of conical valve stem and ball valve rod in the time of rotation.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the hand wheel structure schematic diagram; Fig. 2 is the compound tooth bar schematic diagram of multiple layer; Fig. 3 is ball valve and cone valve structure schematic diagram; Fig. 4 is the frame structure schematic diagram.
embodiment
Handwheel is comprised of handwheel 1, hand wheel shaft 2 and hand wheel shaft gear 3, and by driving handwheel, driven gear 3 rotates;
The compound tooth bar of multiple layer is comprised of rear end tooth bar 4, front end upper left side tooth bar 5, front end lower-left side tooth bar 6, front end upper right side tooth bar 7 and front end right lower side tooth bar 8.Hand wheel shaft gear 3 and 4 engagements of rear end tooth bar, drive the tooth bar left and right directions to move around.
Ball valve element is comprised of ball valve rod gear 9, ball valve rod 10, ball valve controlling rod gear 11, ball valve controlling rod 12, ball valve rod circular arc locking engagement 13, ball valve controlling rod circular arc locking engagement 14, ball valve body 15.Wherein, gear 9 and gear 11 respectively with the 6 discontinuity engagements of tooth bar 5 and tooth bar, instant and mesh, the time and separate, mobile actuation gear 9 and the gear 11 of tooth bar are done intermittent movement.Circular arc locking engagement 13 and 14 is affected by gear 9 and 11 intermittent movements, the time and contact, the time and break away from, realize that the ball valve Control Shaft intermittently controls the running of ball valve rod.
The cone valve parts by cone valve drive link 16, cone valve drive link cog 17, cone valve controlling rod gear 18, cone valve controlling rod 19, cone valve controlling rod circular arc locking engagement 20, cone valve drive link circular arc locking engagement 21, cone valve drive link lower gear 22, transmission shaft cog 23, transmission shaft lower gear 24, transmission shaft 25, cone valve 26, conical valve stem 27, conical valve stem gear 28 form.Its middle gear 17 and gear 18 mesh with tooth bar 7 and tooth bar 8 discontinuity respectively, and the cone valve controlling rod is realized intermittency check to the cone valve drive link, and reason is the same.Simultaneously, the train of gearings be comprised of gear 22,23,24 and 28, can increase the velocity ratio of cone valve transmission shaft to conical valve stem.Conical valve stem with being threaded, makes the conical valve stem can be under rotation situation with fixed base, and conical valve stem can be done the oscilaltion campaign on fixed base;
Framework is comprised of footstock, upper support bar, fixed base, lower support bar and base.Wherein, all have rail slot in footstock and fixed base, the compound tooth bar of multiple layer can be moved around therein.Upper and lower strut plays assembling and positioning and fixed support effect to footstock, fixed base and base.
The concrete opening and closing process action of valve principle is as follows:
Opening process
(1) cone valve drive link release
Clockwise direction rotates handwheel 1, and the compound tooth bar of multiple layer is moved to the left.Not exclusively tooth bar 8 starts and 18 engagements of cone valve controlling rod gear, drives the cone valve controlling rod to rotate, and after turning over several angle, cone valve controlling rod circular arc locking engagement 20 breaks away from cone valve drive link circular arc locking engagement 21, and the locking state of cone valve drive link is untied.
In this process, tooth bar and other gear all do not mesh, and other member does not move.
(2) cone valve is opened
Tooth bar continues to be moved to the left, not exclusively side gear 17 engagements on tooth bar 7 and cone valve drive link, and the cone valve drive link counterclockwise rotates, by the train of gearings formed by gear 22,23,24,28, acquisition, than big speed ratio, from 28 outputs of conical valve stem gear, upwards promotes cone valve 26.Gear 17 rotated after one week, and tooth bar 7 no longer meshes with gear 17, and gear 17 stops operating.
(3) the cone valve drive link is locked
Tooth bar continues to be moved to the left, and not exclusively tooth bar 8 starts and gear 18 engagements, and cone valve controlling rod circular arc locking engagement 20 is contacted with cone valve drive link circular arc locking engagement 21, and the cone valve drive link is by locked.Simultaneously, tooth bar 6 starts to contact with ball valve controlling rod gear 11.
(4) ball valve rod release
Tooth bar continues to be moved to the left, and tooth bar 6 drives ball valve controlling rod gear 11 and rotates, and after turning over several angle, ball valve controlling rod circular arc locking engagement 13 breaks away from ball valve rod circular arc locking engagement 14, the ball valve rod release.
(5) ball valve is opened
Tooth bar continues to be moved to the left, tooth bar 5 and 9 engagements of ball valve rod gear, and ball valve rod occurs counterclockwise to rotate, and after 1/4 week, tooth bar 5 right sides are anodontia, no longer with gear 9, mesh, and ball valve rod no longer rotates.
In this process, tooth bar 6 always with gear 11 engagement, gear 6 drives circular arc locking engagements 11 and rotates 1/4 week, but circular arc locking engagement 13 and 14 do not interfere, and do not contact, and is independent of each other.
(6) ball valve rod is locked
Tooth bar continues to move to left, and ball valve controlling rod gear 11 continues engagement, and ball valve controlling rod circular arc locking engagement 14 turns over 1/2 week, starts to contact with ball valve rod circular arc locking engagement 13, makes ball valve rod locked.
2, closing process
The closing process of high pressure valve start-stop device and open theory are approximate, and handwheel 1 counterclockwise rotates, and tooth bar moves right, and first with ball valve, contacts, and with cone valve, contacts afterwards, makes the sequentially-operating of cone valve and ball valve contrary with opening process.
(1) ball valve rod release
Tooth bar moves right, and starts and 11 engagements of ball valve controlling rod gear, and ball valve controlling rod clockwise direction is rotated, and ball valve controlling rod circular arc locking engagement 14 breaks away from ball valve rod circular arc locking engagement 13, and the locking state of ball valve rod is removed.
(2) ball valve is closed
Tooth bar continues to move right, and not exclusively tooth bar 5 starts and 9 engagements of ball valve rod gear, and ball valve rod is rotated.After rotating 1/4 week, tooth bar 5 left sides are anodontia, i.e. no longer engagement, and gear 9 stops operating.
In this process, ball valve controlling rod gear 11 rotates always, and in gear 9 rotation processes, circular arc locking engagement 13 does not spatially contact with 14, the mutual noninterference impact.
(3) ball valve rod is locked
Tooth bar continues to move to right, and tooth bar 6 actuation gears 11 rotate 1/2 week, and circular arc locking engagement 13 contacts with 14, and ball valve rod is by locked.
(4) conical valve stem release
Tooth bar continues to move to right, and tooth bar 8 and 18 engagements of cone valve controlling rod gear, break away from circular arc locking engagement 20 and 21, and conical valve stem is unlocked.
(5) cone valve cuts out
Tooth bar continues to move to right, not exclusively side gear 17 engagements on tooth bar 7 and cone valve drive link, and cone valve drive link clockwise direction rotates, and by the train of gearings transmission, makes cone valve 26 drop to certain altitude.
After this, tooth bar 7 left sides are anodontia, no longer with gear 17, mesh, and conical valve stem no longer rotates.
(6) conical valve stem is locked
Tooth bar continues to move to right, and tooth bar 8 and 18 engagements of cone valve controlling rod gear, make circular arc locking engagement 20 contact with 21, and conical valve stem is by locked.
It is separate when the ball valve sealing of this high pressure valve start-stop device and cone valve are sealed in work, rely on again the tooth bar gear motion to connect each other, have relatively high expectations on installation dimension and quality of fit, guaranteed completing of sequentially-operating, and locked requirement after the action to cone valve and ball valve body.
Claims (5)
1. a high pressure valve start-stop device, by handwheel, the compound tooth bar of multiple layer, ball valve, cone valve and five parts of framework, formed, be primarily characterized in that: handwheel is partly containing handwheel (1), hand wheel shaft (2), hand wheel shaft gear (3), wherein between handwheel (1) and hand wheel shaft (2), be flat key between hand wheel shaft gear (3) and hand wheel shaft (2) and be connected.
2. the compound tooth bar of multiple layer is comprised of rear end tooth bar (4), front end upper left side tooth bar (5), front end lower-left side tooth bar (6), front end upper right side tooth bar (7), front end right lower side tooth bar (8); Wherein, rear end tooth bar (4) is positioned at the dead astern of front end tooth bar,
Each tooth bar of front end arrangement spatially is as name; Rear end tooth bar (4) is arranged on sustained height with hand wheel shaft gear (3), engagement can occur and separate.
3. ball valve is containing ball valve rod gear (9), ball valve rod (10), ball valve rod circular arc locking engagement (13), ball valve body (15), ball valve controlling rod gear (11), ball valve controlling rod (12), ball valve controlling rod circular arc locking engagement (14), wherein ball valve rod (10) and ball valve rod gear (9), being flat key between ball valve rod circular arc locking engagement (13) connects, it between ball valve rod (10) and ball valve body (15), is flexible connection, ball valve rod gear (9) is positioned at ball valve rod circular arc locking engagement (13) top, ball valve controlling rod gear (11) is positioned at ball valve controlling rod circular arc locking engagement (14) top, circular arc locking engagement (13) and (14) are at sustained height, can contact with each other and separate, gear (9) is arranged on sustained height with tooth bar (5), gear (11) is arranged on sustained height with tooth bar (6), engagement all can occur and separate.
Cone valve containing cone valve drive link (16), cone valve drive link cog (17), cone valve controlling rod gear (18), cone valve controlling rod (19), cone valve controlling rod circular arc locking engagement (20), cone valve drive link circular arc locking engagement (21), cone valve drive link lower gear (22), transmission shaft cog (23), transmission shaft lower gear (24), transmission shaft (25), cone valve (26), conical valve stem (27), conical valve stem gear (28); Gear (16) is arranged on sustained height with tooth bar (7), and gear (18) is arranged on sustained height with tooth bar (8), engagement all can occur and separate; Circular arc locking engagement (20) is arranged on sustained height with (21), can come in contact and separate; Gear (22) and gear (24) engagement, gear (23) and gear (28) engagement.
5. framework is containing footstock (29), upper support bar (30), fixed base (31), lower support bar (32), base (33); Wherein footstock (29) all has sliding-rail groove with fixed base (31), and the compound tooth bar of multiple layer is arranged on wherein, but the left and right translation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310216315.5A CN103438268B (en) | 2013-06-04 | 2013-06-04 | High pressure valve compound start-stop device |
Applications Claiming Priority (1)
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CN201310216315.5A CN103438268B (en) | 2013-06-04 | 2013-06-04 | High pressure valve compound start-stop device |
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CN103438268A true CN103438268A (en) | 2013-12-11 |
CN103438268B CN103438268B (en) | 2016-04-06 |
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CN201310216315.5A Expired - Fee Related CN103438268B (en) | 2013-06-04 | 2013-06-04 | High pressure valve compound start-stop device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104913112A (en) * | 2014-03-12 | 2015-09-16 | 珠海格力电器股份有限公司 | Opening adjusting device of expansion valve |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6471182B1 (en) * | 2001-07-25 | 2002-10-29 | Mcintosh Douglas S. | Control valves for heating and cooling systems |
CN2605429Y (en) * | 2003-03-26 | 2004-03-03 | 朱庭 | Superhard sealing compositive valve |
US20070017577A1 (en) * | 2005-07-20 | 2007-01-25 | Denso Corporation | Fluid control value assembly |
CN201293440Y (en) * | 2008-08-30 | 2009-08-19 | 广东美的电器股份有限公司 | Self-cleaning apparatus for air conditioner filtering net |
CN102418797A (en) * | 2011-06-06 | 2012-04-18 | 白龙山 | High-performance aneroid/piston type ball valve |
-
2013
- 2013-06-04 CN CN201310216315.5A patent/CN103438268B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6471182B1 (en) * | 2001-07-25 | 2002-10-29 | Mcintosh Douglas S. | Control valves for heating and cooling systems |
CN2605429Y (en) * | 2003-03-26 | 2004-03-03 | 朱庭 | Superhard sealing compositive valve |
US20070017577A1 (en) * | 2005-07-20 | 2007-01-25 | Denso Corporation | Fluid control value assembly |
CN201293440Y (en) * | 2008-08-30 | 2009-08-19 | 广东美的电器股份有限公司 | Self-cleaning apparatus for air conditioner filtering net |
CN102418797A (en) * | 2011-06-06 | 2012-04-18 | 白龙山 | High-performance aneroid/piston type ball valve |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104913112A (en) * | 2014-03-12 | 2015-09-16 | 珠海格力电器股份有限公司 | Opening adjusting device of expansion valve |
CN104913112B (en) * | 2014-03-12 | 2017-10-03 | 珠海格力电器股份有限公司 | The opening adjusting device of expansion valve |
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Publication number | Publication date |
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CN103438268B (en) | 2016-04-06 |
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