CN201420929Y - Lock ring-type quickly detachable blind plate - Google Patents
Lock ring-type quickly detachable blind plate Download PDFInfo
- Publication number
- CN201420929Y CN201420929Y CN2009200329085U CN200920032908U CN201420929Y CN 201420929 Y CN201420929 Y CN 201420929Y CN 2009200329085 U CN2009200329085 U CN 2009200329085U CN 200920032908 U CN200920032908 U CN 200920032908U CN 201420929 Y CN201420929 Y CN 201420929Y
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- China
- Prior art keywords
- blind plate
- lock ring
- connecting rod
- shaped connecting
- plate seat
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- Expired - Fee Related
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Abstract
The utility model relates to a mechanical door device which is used on the circular opening of a fluid pressure pipeline or a pressure container and can be quickly opened and closed, i.e. a lock ring-type quickly detachable blind plate. The prior technical structure comprises a blind plate cover, a blind plate seat and a seal ring between the blind plate cover and the blind plate seat; the external peripheries of the blind plate cover and the blind plate seat are provided with hold-down rings; each hold-down ring is divided into three valves, so the defects of the prior art are that the switchis not flexible and the operation is not convenient enough. The utility model aims to develop a lock ring-type quickly detachable blind plate. The structure is as follows: the lock ring-type quicklydetachable blind plate comprises the blind plate seat, the blind plate cover, a safety interlocking mechanism, an opening and closing mechanism, an adjusting mechanism and a rotary arm which are arranged on the blind plate seat and the blind plate cover; in the opening and closing mechanism, a lock ring is hinged with a U-shaped connecting rod; and the other end of the U-shaped connecting rod is hinged with the other end of the lock ring through a crank. The purpose is as follows: the lock ring-type quickly detachable blind plate is applied to a pig valve of a petroleum and natural gas pipeline and a quickly detachable door of a sending and receiving ball bucket, and saves labor, is convenient and safe to open and close, and is very reliable in sealing and at high pressure.
Description
Technical field
The utility model relates on the circular open that is used for hydrodynamic pressure pipeline or pressurized container and can realize a kind of machine door device of quick opening and closing, i.e. lock ring type quick-release blind plate.Typical application is exactly pipe cleaning valve on the petroleum natural gas pipeline and the quick-release door of receiving and dispatching the ball bucket.
Background technique
A kind of model utility was disclosed on August 18th, 1 in State Intellectual Property Office, the patent No. is 03213594.7 " lock ring type fast-opening blind ", see that Figure of description is illustrated in figures 1 and 2, prior art situation for convenience of description, following label is original label in this background technique, its structure comprise blind plate lid 5. and the blind plate seat 3. and place between blind plate lid and the blind plate seat seal ring 4., on the outer annulus edge of blind plate lid and blind plate seat, be provided with the hold-down ring that blind plate lid and blind plate seat can be locked or unclamp 2., this hold-down ring is divided into three lobes, be respectively equipped with connection set between every adjacent two lobe hold-down rings, wherein a connection set by leading screw 1., 6. the leading screw support constitutes with the link press span that branch is located on the adjacent two lobe hold-down rings, leading screw props up and is placed on the blind plate seat, leading screw is threaded with two link press spans are forward and reverse, two connection sets are made of the link that branch is located on the adjacent two lobe hold-down rings in addition, and this two link links mutually.Can make hold-down ring three lobes interlocks by rotating threaded shaft, make its locking or unclamp, thereby realize closing and opening of blind plate lid.Its advantage is not have between seal ring and the blind plate lid to relatively rotate, the seal ring not damaged, thus protect the pipeline sealing system better.The shortcoming of this device is the switch underaction, and operation is convenient inadequately, and in addition, sealability is also bad.
Summary of the invention
The purpose of this utility model is a kind of lock ring type quick-release blind plate of development.The further improvement of doing on the basis of above-mentioned lock ring type quick-release blind plate structure realizes that switch is flexible, easy to operate, good seal performance.
The technical solution of the utility model:
Lock ring type quick-release blind plate is formed by blind plate seat, blind plate lid and at safety interlocking mechanism, switching mechanism, regulating mechanism and pivoted arm that blind plate seat and blind plate cover installation, it is characterized in that: with the lip-type packing sealing, link to each other with switching mechanism, regulating mechanism and pivoted arm between blind plate lid and the blind plate seat between blind plate lid and the blind plate seat; Switching mechanism is by hinged horse shoe shaped connecting rod one end of lock ring one end that has opening, the horse shoe shaped connecting rod the other end is formed through the hinged lock ring the other end of crank, wherein the shackle openings two ends are all welded fixedly connected, and crank two ends hinged horse shoe shaped connecting rod respectively are connected with lock ring one end; Safety interlocking mechanism is made up of the safe block that has the safe locking screw rod, wherein removably the safe block head is embedded in the horse shoe shaped connecting rod, shank is bumped into the shackle openings place that is positioned in the blind plate seat below the safe block, and the safe locking screw rod is sealedly connected on the relief hole that blind plate covers by safe block.
The technical solution of the utility model also comprises:
Described lock ring type quick-release blind plate is characterized in that: there is positive stop the contiguous block bi-side of lock ring one end, and the positive stop lower end is fixed on blind plate and covers.
Described lock ring type quick-release blind plate is characterized in that: removably the safe block head is embedded in the horse shoe shaped connecting rod, i.e. safe block head lateral grooves and the protruding corresponding cooperation of inlaying of horse shoe shaped connecting rod.
Described lock ring type quick-release blind plate is characterized in that: rotating pivoted arm connects blind plate seat one side with axial thrust bearing, and the pivoted arm the other end connects regulating mechanism by axial thrust bearing, fixing blind plate lid below the regulating mechanism.
Advantage of the present utility model and effect are as follows:
1, laborsaving, convenient, the safety of switch, sealing is that low pressure or high pressure are all very reliable.
2, its main innovate point is:
1) switching mechanism 4 is by the opening end and the hinge joint of crank 8 one ends of lock ring 7, crank 8 the other ends and the hinge joint of horse shoe shaped connecting rod 9 one ends, horse shoe shaped connecting rod 9 the other ends and lock ring 7 another opening end hinge joints, this end of lock ring 7 is spacing by two blocks 14 that are fixed on the blind plate lid 2.Used the slidercrank mechanism in the Der Grundsatz der Maschinen (principle is seen Fig. 5), the displacement that lock ring 7 radial compression or resilience in the process of realize opening or closing are reflected on the circumference is exactly the displacement that is equivalent to slide block, these lock ring 7 displacements be the semi-circumference by crank 8 rotatablely move (arrow draws in Fig. 3) realize.The rotation of crank 8 can add operating handle and use lever principle and execute very little power and just can finish its function to crank.
2) safety interlocking mechanism 3 is bumped in the blind plate seat 1 by safe block 10 shanks, and safe block 10 usefulness safe locking screw rods 11 are fixed on the blind plate lid 2 to be formed.Safe block 10 heads are embedded in the horse shoe shaped connecting rod 9.
3) add the pressure discharge function before the unlatching in the safety interlocking mechanism 3 on the safety locking screw rod 11, saved Decompression valves.
4) on the rotatingshaft of pivoted arm 5 axial thrust bearing 12 is housed, pivoted arm is rotated nimbly and freely.
5) regulating mechanism of setting up on the blind plate lid 25 makes convenient adjustment of matching gap between blind plate lid and blind plate seat, and has guaranteed the validity of sealing.
6) lip-type packing 13 is adopted in the sealing of blind plate seat 1 and blind plate lid 2, utilizes by the pressure of envelope medium to reach self-styled effect.
Description of drawings
Fig. 1 and Fig. 2 are the lock ring type quick-release blind plate structural representations in the background technique.
Fig. 3 is the structural representation of the utility model lock ring type quick-release blind plate.
Fig. 4 is the connection diagram of the utility model blind plate and blind plate seat and lock ring, also is the sectional view of Fig. 3.
Fig. 5 slidercrank mechanism fundamental diagram.
Above-mentioned drawing reference numeral explanation: 1-blind plate seat, 2-blind plate lid, 3-safety interlocking mechanism, 4-switching mechanism, 5-regulating mechanism, the 6-pivoted arm, 7-lock ring, 8-crank, 9-horse shoe shaped connecting rod, 10-safe block, the 11-screw rod, 12-axial thrust bearing, 13-lip-type packing, 14-positive stop, 15-contiguous block.
Embodiment
Referring to the utility model accompanying drawing, as shown in Figure 3, blind plate seat 1 one sides are by the rotating pivoted arm 6 of axial thrust bearing 12 assemblings, pivoted arm 6 the other ends connect regulating mechanism 5 by axial thrust bearing 12, regulating mechanism 5 following fixedly blind plate lids 2, wherein the axial thrust bearing 12 between pivoted arm 6 the other ends and the blind plate lid 2 mainly plays blind plate lid 2 can be rotated on pivoted arm 6, regulating mechanism 5 is prior aries, reach the adjustment distance by the displacement of bolt on screw rod exactly, regulating mechanism 5 plays blind plate lid 2 can displacement, makes blind plate lid 2 open more accurately and seal on blind plate seat 1.Blind plate seat 1 opposite side, blind plate cover place, 2 limits assembling switching mechanism 4 and safety interlocking mechanism 3, and the switching mechanism 4 here is by hinged horse shoe shaped connecting rod 9 one ends of lock ring 7 one ends that have opening, and horse shoe shaped connecting rod 9 the other ends are formed through crank 8 hinged lock ring 7 the other ends.Wherein lock ring 7 opening two ends are all welded fixedly connected soon 15, and the hinged respectively horse shoe shaped connecting rod 9 in crank 8 two ends is connected fast 15 with lock ring 7 one ends.There is positive stop 14 an end contiguous block 15 bi-side below the lock ring 7, and positive stop 14 lower ends are fixed on the blind plate lid 2, make these ends other relatively end location below the lock ring 7 and motionless.Safety interlocking mechanism 3 is made up of the safe block 10 that has safe locking screw rod 11; Wherein removably safe block 10 heads are embedded in the horse shoe shaped connecting rod 9, be safe block 10 head lateral grooves and the 9 protruding corresponding cooperations of inlaying of horse shoe shaped connecting rod, shank is bumped into lock ring 7 openings that are positioned in the blind plate seat 1 below the safe block 10, lock ring 7 is in opens lock state, safe locking screw rod 11 is sealedly connected on the relief hole on the blind plate lid 2 by safe block 10, safe block 10 is fixed on the blind plate lid 2 reaches horse shoe shaped connecting rod 9 locking states.
Shown in Figure 4 referring to the utility model accompanying drawing, shown in Figure 4.Mainly form by parts such as blind plate seat 1, blind plate lid 2, safety interlocking mechanism 3, switching mechanism 4, regulating mechanism 5 and pivoted arms 6.Blind plate covers 2 left sides and is sealed on blind plate seat 1 bottom surface by lip-type packing 13, and it is that a lock ring that has opening 7 that can shrink and amplify is stuck between blind plate lid 2 and the blind plate seat 1 that blind plate covers 2 right sides, reliable and stable work when making blind plate lid 2 in off position.Shown in Figure 4 is that blind plate covers 2 in off position.Lock ring 7 is the frustum ring that has opening, when dwindling lock ring 7, contrast Fig. 3 sees, take off safety interlocking mechanism 3, rotating crank 8 rotates horse shoe shaped connecting rod 9, and lock ring 7 one opening ends just dwindle lock ring 7 to another aperture displacement simultaneously, Fig. 4 lock ring 7 right flanks leave the annular groove in blind plate seat 1 right side like this, but blind plate lid 2 is in open mode.
Shown in Figure 5 referring to the utility model accompanying drawing, crank 8 two ends are hinged horse shoe shaped connecting rod 9 one ends and lock ring 7 one ends respectively, horse shoe shaped connecting rod 9 the other ends are welded in the connection fast 15 of lock ring 7 the other ends, and this contiguous block 15 is subjected to the restriction of positive stop 14, so also can be regarded as lock ring 7 the other end relative fixed herein, and lock ring 7 one ends are removable.
The technical solution of the utility model can also be described like this:
Lock ring type quick-release blind plate is made up of safety interlocking mechanism 3, switching mechanism 4, regulating mechanism 5 and the pivoted arm 6 of blind plate seat 1, blind plate lid 2 and installation on blind plate seat 1 and blind plate lid 2, it is characterized in that: seal with lip-type packing 13 between blind plate lid 2 and the blind plate seat 1, and connect by switching mechanism 4; With regulating mechanism 5 and pivoted arm 6 blind plate lid 2 and blind plate seat 1 are linked to each other, forms the open loop chain that to realize relative and blind plate seat 1 angular displacement of blind plate lid 2; The slidercrank mechanism principle that switching mechanism 4 adopts in the Der Grundsatz der Maschinen, opening end and the hinge joint of crank 8 one ends by lock ring 7, crank 8 the other ends and the hinge joint of horse shoe shaped connecting rod 9 one ends, horse shoe shaped connecting rod 9 the other ends and lock ring 7 another opening end hinge joints, this end of lock ring 7 is spacing by two blocks 14 that are fixed on the blind plate lid 2; Safety interlocking mechanism 3 is that the head of safe block 10 is bumped into by in the space after blind plate seat 1, lock ring 7,2 combinations of blind plate lid, and the shank of safe block 10 is embedded in the horse shoe shaped connecting rod 9 in the switching mechanism 4 and is fixed on blind plate with safe locking screw rod 11 and covers on 2.
It is ring-like that lock ring is designed to the opening frustum, and the slidercrank mechanism in the application machine principle drives the closure of shackle openings and unclamps to reach the quick switching purposes of blind plate.After blind plate is closed, shackle openings is in open configuration, at its opening part the closure that limiting stopper stops shackle openings is set, work with the restriction slidercrank mechanism is stretched out in the ungulate neutral gear that inserts the horse shoe shaped connecting rod in the slidercrank mechanism to reach the purpose of safe self-locking in this limiting stopper side.The locking screw that is used for fixing limiting stopper is designed to have the pressure release function to replace Decompression valves.In addition, seal ring is designed to the reliability that self sealing improves sealing.
Claims (4)
1, lock ring type quick-release blind plate is formed by blind plate seat (1), blind plate lid (2) and at safety interlocking mechanism (3), switching mechanism (4), regulating mechanism (5) and pivoted arm (6) that blind plate seat (1) and blind plate lid (2) are gone up installation, it is characterized in that: with lip-type packing (13) sealing, blind plate covers between (2) and the blind plate seat (1) and links to each other with switching mechanism (4), regulating mechanism (5) and pivoted arm (6) between blind plate lid (2) and the blind plate seat (1); Switching mechanism (4) is by hinged horse shoe shaped connecting rod (9) one ends of lock ring (7) one ends that have opening, horse shoe shaped connecting rod (9) the other end is formed through the hinged lock ring of crank (8) (7) the other end, wherein fixedly connected (15) are all welded at lock ring (7) opening two ends, and crank (8) two ends are hinged horse shoe shaped connecting rod (9) and lock ring (7) one end contiguous blocks (15) respectively; Safety interlocking mechanism (3) is made up of the safe block that has safe locking screw rod (11) (10), wherein removably safe block (10) head is embedded in the horse shoe shaped connecting rod (9), shank is bumped into lock ring (7) opening that is positioned in the blind plate seat (1) below the safe block (10), and safe locking screw rod (11) is sealedly connected on blind plate by safe block (10) and covers on the relief hole on (2).
2, lock ring type quick-release blind plate according to claim 1 is characterized in that: there is positive stop (14) contiguous block (15) bi-side of lock ring (7) one ends, and positive stop (14) lower end is fixed on the blind plate lid (2).
3, lock ring type quick-release blind plate according to claim 1 is characterized in that: removably safe block (10) head is embedded in the horse shoe shaped connecting rod (9), i.e. safe block (10) head lateral grooves and the protruding corresponding cooperation of inlaying of horse shoe shaped connecting rod (9).
4, lock ring type quick-release blind plate according to claim 1, it is characterized in that: rotating pivoted arm (6) connects blind plate seat (1) one side with axial thrust bearing (12), pivoted arm (6) the other end connects regulating mechanism (5) by axial thrust bearing (12), the following fixedly blind plate lid of regulating mechanism (5) (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200329085U CN201420929Y (en) | 2009-04-30 | 2009-04-30 | Lock ring-type quickly detachable blind plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200329085U CN201420929Y (en) | 2009-04-30 | 2009-04-30 | Lock ring-type quickly detachable blind plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201420929Y true CN201420929Y (en) | 2010-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200329085U Expired - Fee Related CN201420929Y (en) | 2009-04-30 | 2009-04-30 | Lock ring-type quickly detachable blind plate |
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| Country | Link |
|---|---|
| CN (1) | CN201420929Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216615A (en) * | 2013-04-17 | 2013-07-24 | 中国石油集团工程设计有限责任公司 | Novel fixed pressure ring type fast opening blind plate and opening and closing method of novel fixed pressure ring type fast opening blind plate |
| CN103418198A (en) * | 2013-08-19 | 2013-12-04 | 常熟市上海飞奥压力容器制造有限公司 | Quick lid opening device of natural gas filter |
| CN105508603A (en) * | 2015-12-29 | 2016-04-20 | 常熟市上海飞奥压力容器制造有限公司 | Blind plate locking device |
| CN108331993A (en) * | 2018-03-12 | 2018-07-27 | 青岛同辉汽车技术有限公司 | A kind of end sealing open-and-close mechanism |
| CN109442133A (en) * | 2018-12-12 | 2019-03-08 | 苏州市燃气设备阀门制造有限公司 | For testing the self-sealing blind plate of burnt gas valve |
-
2009
- 2009-04-30 CN CN2009200329085U patent/CN201420929Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216615A (en) * | 2013-04-17 | 2013-07-24 | 中国石油集团工程设计有限责任公司 | Novel fixed pressure ring type fast opening blind plate and opening and closing method of novel fixed pressure ring type fast opening blind plate |
| CN103216615B (en) * | 2013-04-17 | 2015-08-05 | 中国石油集团工程设计有限责任公司 | A kind of novel fixation pressure ring type fast-opening blind and method for opening and closing thereof |
| CN103418198A (en) * | 2013-08-19 | 2013-12-04 | 常熟市上海飞奥压力容器制造有限公司 | Quick lid opening device of natural gas filter |
| CN103418198B (en) * | 2013-08-19 | 2015-03-04 | 常熟市上海飞奥压力容器制造有限公司 | Quick lid opening device of natural gas filter |
| CN105508603A (en) * | 2015-12-29 | 2016-04-20 | 常熟市上海飞奥压力容器制造有限公司 | Blind plate locking device |
| CN108331993A (en) * | 2018-03-12 | 2018-07-27 | 青岛同辉汽车技术有限公司 | A kind of end sealing open-and-close mechanism |
| CN108331993B (en) * | 2018-03-12 | 2024-01-12 | 青岛同辉汽车技术有限公司 | Pipe end sealing opening and closing mechanism |
| CN109442133A (en) * | 2018-12-12 | 2019-03-08 | 苏州市燃气设备阀门制造有限公司 | For testing the self-sealing blind plate of burnt gas valve |
| CN109442133B (en) * | 2018-12-12 | 2024-04-09 | 苏州市燃气设备阀门制造有限公司 | Self-sealing blind plate for testing gas valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20140430 |