CN109812616A - A kind of safe antitheft gate valve - Google Patents
A kind of safe antitheft gate valve Download PDFInfo
- Publication number
- CN109812616A CN109812616A CN201910146948.0A CN201910146948A CN109812616A CN 109812616 A CN109812616 A CN 109812616A CN 201910146948 A CN201910146948 A CN 201910146948A CN 109812616 A CN109812616 A CN 109812616A
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- valve rod
- spring
- valve
- block
- handwheel
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Abstract
The invention discloses a kind of safe antitheft gate valves, including handwheel, valve body, valve rod, block disk, the closure disk is set in valve body, valve rod and closure disk cooperation, the upper end of the valve rod is connect with handwheel, the handwheel is detachable, the upper end of the valve body is equipped with support column, the support column is equipped with lock cylinder, the inner wall of the lock cylinder is equipped with the closing piece for preventing valve rod from rotating, the upper end of the valve rod, which is equipped with, opens block, the outside opened block and be set to lock cylinder, it opens and is rotatablely connected between block and valve rod, and the middle part for opening block and valve rod is connected by flat key, the lower end of the handwheel is equipped with the first magnet for pulling flat key, first magnet is equipped with lock tube, the lock tube and unlatching block cooperation, the outside of the lock tube is equipped with connector sleeve, the second spring for opening closing piece is equipped in the connector sleeve.Solve the problems, such as that not sending out molecule arbitrarily steals resource at present, protects national resources.
Description
Technical field
The present invention relates to gate valve technical field, specially a kind of safe antitheft gate valve.
Background technique
Gate valve is to be applied to one of indispensable equipment on industrial pipeline, for being truncated, adjusting fluid media (medium) in pipeline,
Applied to the gate valve on petroleum pipeline, installation and field, are chronically at closed state mostly, only in regular sampling analysis or
The characteristics of person is other just to open use the short time in special circumstances, but some criminals can utilize remote left unguarded,
Valve is opened to the petroleum stolen in pipeline, brings huge economic loss to country.
Summary of the invention
The present invention provides a kind of safe antitheft gate valve aiming at deficiencies of the prior art, and handwheel is removable
Formula is unloaded, is not resided on valve body when not in use, valve rod is built-in type, and is fixed by closing piece, prevents from rotating, if do not had
There is handwheel that can not then carry out rotation valve rod, valve cannot also be opened, gate valve is allowed to be provided with theftproof self-locking function, increases use
Safety, solve the problems, such as not sending out molecule at present and arbitrarily steal resource, protect national resources.
To achieve the above object, invention provides the following technical solutions:
A kind of safe antitheft gate valve, including handwheel, valve body, valve rod, closure disk, the closure disk are set in valve body, valve rod and envelope
Stifled disk cooperation, the upper end of the valve rod connects with handwheel, the handwheel be it is detachable, the upper end of the valve body is equipped with supporting
Column, the support column are equipped with lock cylinder, and the inner wall of the lock cylinder is equipped with the closing piece for preventing valve rod from rotating, the upper end of the valve rod
Equipped with block is opened, the outside opened block and be set to lock cylinder is opened and is rotatablely connected between block and valve rod, and opens block and valve rod
Middle part is connected by flat key, and the lower end of the handwheel is equipped with the first magnet for pulling flat key, and first magnet is equipped with
Lock tube, the lock tube and unlatching block cooperation, the outside of the lock tube are equipped with connector sleeve, are equipped in the connector sleeve and are used to open lock
The second spring of block.
Preferably, the seal chamber being connected to valve chamber is equipped in the valve body, the closure disk and seal chamber cooperate.
Preferably, the closure disk is round pie, and the upper end for blocking disk is equipped with link block, and the link block is equipped with connection
Hole, the connecting hole and threaded stem cooperate, and the front and rear sides for blocking disk are equipped with wear ring, and the wear ring is stainless
Steel loop.
Preferably, the periphery for blocking disk is equipped with seal groove, is equipped with sealing ring, the sealing in the seal groove
The quantity of slot is at least three.
Preferably, the lower sides of the valve rod are equipped with external screw thread, and the externally threaded top is equipped with cricoid fixation
The upper end of slot, the valve body is equipped with retaining collar, and the retaining collar is fixedly connected with the valve body, and retaining collar is matched with fixing groove
It closes, sealing ring is equipped between the inner wall and valve rod of retaining collar.
Preferably, the upper portion side wall of the valve rod is equipped with lockhole, and the inner wall of the lock cylinder is equipped with telescopic hole, described to stretch
The bottom of shrinkage cavity is equipped with second spring, and the second spring is compressed spring, and the closing piece and telescopic hole cooperate, second bullet
One end of spring and the bottom of telescopic hole connect, and the other end of the second spring is connect with closing piece.
Preferably, the upper end of the valve rod is equipped with connection ring, and the upper end of the connection ring is equipped with outer folding edge, the valve rod
Upper center is equipped with keyhole, and the flat key is set in keyhole, and the bottom of the keyhole is equipped with the first spring, and first spring is
Extension spring, the lower end of the first spring and the bottom of keyhole connect, and the upper end of the first spring is connect with flat key, and the first spring is certainly
Under right state, the upper end of flat key is aligned setting with the upper end of valve rod, and the lower end for opening block is equipped with link slot, the link slot
It is rotatablely connected with connection ring, the butt hole for cooperating with flat key is equipped in the middle part of the lower end for opening block.
Preferably, first magnet is welded in the middle part of the lower end of handwheel, and the inner cavity of the lock tube is prism structure, described
Opening block is the prism structure cooperated with lock tube inner cavity.
Preferably, the lower end of the handwheel is equipped with shackle, and the upper end of the connector sleeve is equipped with hook groove, the hook groove and shackle
Cooperation, is rotatablely connected between connector sleeve and handwheel.
Preferably, second magnet is cyclic structure, and the second magnet is arranged close to the lower part of connector sleeve, installs handwheel
Afterwards, the position horizontal alignment of the second magnet and closing piece.
Compared with prior art, advantageous effect of the invention is:
1, handwheel of the invention is detachable, is not resided on valve body when not in use, valve rod is built-in type, and by closing piece
It is fixed, prevents from rotating, rotation valve rod can not be carried out if without handwheel, valve cannot also be opened, gate valve is allowed to have
Theftproof self-locking function, increases the safety used, solves the problems, such as that not sending out molecule arbitrarily steals resource at present, protects
National resources.
2, the front and rear sides of closure disk of the invention are equipped with wear ring, and the wear ring is stainless steel ring, can increase
The rub resistance power for blocking ring, preventing from being used for a long time causes to wear, and the periphery for blocking disk is equipped with seal groove, the quantity of seal groove
At least three, the reliability of sealing can be increased, multiple-sealed circle can be avoided because one of sealing ring damage brings valve body to let out
Leakage, increases leakproofness.
3, the inner wall of lock cylinder of the invention is equipped with telescopic hole, and the bottom of the telescopic hole is equipped with second spring, the second bullet
One end of spring and the bottom of telescopic hole connect, and the other end of second spring is connect with closing piece, can be realized certainly by second spring
Lock function guarantees the fixing that gate valve uses, while the second magnet being arranged on handwheel and carries out unlatching closing piece, opening square by magnetic force
Formula is simple and convenient.
4, the present invention is equipped with shackle in the lower end of handwheel, and the upper end of the connector sleeve is equipped with hook groove, the hook groove and shackle
Cooperation, is rotatablely connected, the friction between capable of reducing between connector sleeve and handwheel, reduces abrasion, while guaranteeing the second magnetic
Body adsorbs the fastness of closing piece, avoids connector sleeve rotation that magnetic force deficiency is caused to reset closing piece, influences normal flow and adjusts.
5, the inner cavity of lock tube of the invention is prism structure, and opening block is the prism structure cooperated with lock tube inner cavity, a side
Face can guarantee the fastness of connection, can apply strength in rotation, complete the adjusting of gate valve, while driving unlatching fast-turn construction
It is dynamic, the position of butt hole can be adjusted, completion is docked with flat key.
6, externally threaded top of the invention is equipped with cricoid fixing groove, and the upper end of valve body is equipped with retaining collar, fixing sleeve
Ring and fixing groove cooperate, and can be improved the fastness of position in valve rod use process, it is ensured that the stability of valve rod in rotation process.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is schematic cross-sectional view of the invention；
Fig. 3 is enlarged drawing at the A of Fig. 2；
Fig. 4 is the bottom view of handwheel；
Fig. 5 is the structural schematic diagram for blocking disk；
Fig. 6 is the structural schematic diagram blocked after disk installation sealing ring；
Fig. 7 is the structural schematic diagram of valve rod；
Fig. 8 is the structural schematic diagram of switch block.
In figure: 1- handwheel；The first magnet of 101-；102- connector sleeve；The second magnet of 103-；104- lock tube；105- hook groove；
106- shackle；2- valve body；201- support column；202- seal chamber；3- valve rod；301- keyhole；The first spring of 302-；303- connection
Ring；304- lockhole；305- fixing groove；4- retaining collar；5- blocks disk；501- link block；502- connecting hole；503- seal groove；
504- wear ring；505- sealing ring；6- lock cylinder；601- closing piece；602- telescopic hole；603- second spring；7- flat key；8- is opened
Block；801- link slot；802- butt hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in figures 1-8, a kind of safe antitheft gate valve, including handwheel 1, valve body 2, valve rod 3, closure disk 5, the closure disk
5 are set in valve body 2, and valve rod 3 and closure disk 5 cooperate, and the upper end of the valve rod 3 is connect with handwheel 1, and the handwheel 1 is detachable
Formula, the upper end of the valve body 2 are equipped with support column 201, and the support column 201 is equipped with lock cylinder 6, sets on the inner wall of the lock cylinder 6
There is the closing piece 601 for preventing valve rod 2 from rotating, the upper end of the valve rod 3, which is equipped with, opens block 8, and the block 8 of opening is set to the outer of lock cylinder 6
Side is opened and is rotatablely connected between block 8 and valve rod 3, and opens block 601 and connect with the middle part of valve rod 3 by flat key 7, the handwheel 1
Lower end be equipped with the first magnet 101 for pulling flat key 7, first magnet 101 is equipped with lock tube 104, the lock tube 104
Cooperate with block 8 is opened, the outside of the lock tube 104 is equipped with connector sleeve 102, is equipped in the connector sleeve 102 for opening closing piece
601 second spring 603.
The seal chamber 202 being connected to valve chamber is equipped in the valve body 2, the closure disk 5 cooperates with seal chamber 202.
The closure disk 5 is round pie, and the upper end for blocking disk 5 is equipped with link block 501, and the link block 501, which is equipped with, to be connected
Hole 502 is connect, the connecting hole 502 is threadedly engaged with valve rod 3, and the front and rear sides for blocking disk 5 are equipped with wear ring 504, institute
Stating wear ring 504 is stainless steel ring, can increase the rub resistance power for blocking ring 5, and preventing from being used for a long time causes to wear, and blocks disk 5
Periphery be equipped with seal groove 503,503 quantity of seal groove are at least three, can increase the reliability of sealing, and multiple tracks is close
Seal 505 can be avoided because one of damage of sealing ring 505 brings valve body to leak, and increase leakproofness.
The periphery for blocking disk 5 is equipped with seal groove 503, and sealing ring 505 is equipped in the seal groove 503, described
503 quantity of seal groove are at least three.
The lower sides of the valve rod 3 are equipped with external screw thread, and the externally threaded top is equipped with cricoid fixing groove 305,
The upper end of the valve body 2 is equipped with retaining collar 4, and the retaining collar 4 is fixedly connected with valve body 2, retaining collar 4 and fixing groove
305 cooperations, are equipped with sealing ring between the inner wall and valve rod 3 of retaining collar 4.It can be improved position in 3 use process of valve rod
Fastness, it is ensured that the stability of valve rod 3 in rotation process.
The upper portion side wall of the valve rod 3 is equipped with lockhole 304, and the inner wall of the lock cylinder 6 is equipped with telescopic hole 602, described
The bottom of telescopic hole 602 is equipped with second spring 603, and the second spring 603 is compressed spring, the closing piece 601 and telescopic hole
602 cooperations, one end of the second spring 603 connect with the bottom of telescopic hole 602, the other end of the second spring 603 and
Closing piece 601 connects.It can be realized self-locking function by second spring, guarantee the fixing that gate valve uses, while being arranged on handwheel 1
Second magnet 103 carries out opening closing piece 601 by magnetic force, and opening ways are simple and convenient.
The upper end of the valve rod 3 is equipped with connection ring 303, and the upper end of the connection ring 303 is equipped with outer folding edge, the valve rod 3
Upper center be equipped with keyhole 301, the flat key 7 is set in keyhole 301, and the bottom of the keyhole 301 is equipped with the first spring
302, first spring 302 is extension spring, and the lower end of the first spring 302 is connect with the bottom of keyhole 301, the first spring
302 upper end is connect with flat key 7, and in its natural state, the upper end of flat key 7 is aligned with the upper end of valve rod 3 to be set the first spring 302
It sets, the lower end for opening block 8 is equipped with link slot 801, and the link slot 801 is rotatablely connected with connection ring 303, the unlatching block
The butt hole 502 for cooperating with flat key 7 is equipped in the middle part of 8 lower end.
First magnet 101 is welded in the middle part of the lower end of handwheel 1, and the inner cavity of the lock tube 104 is prism structure, described
Opening block 8 is the prism structure cooperated with 104 inner cavity of lock tube.On the one hand the fastness that can guarantee connection, can in rotation
Apply strength, complete the adjusting of gate valve, while driving and opening fast 8 rotation, the position of butt hole 802 can be adjusted, completed and flat
The docking of key 7.
The lower end of the handwheel 1 is equipped with shackle 106, and the upper end of the connector sleeve 102 is equipped with hook groove 105, the hook groove 105
Cooperate with shackle 106, is rotatablely connected between connector sleeve 102 and handwheel 1.Friction between capable of reducing reduces abrasion, together
When guarantee the fastness of the second magnet 103 absorption closing piece 601, avoid the rotation of connector sleeve 102 that magnetic force deficiency is caused to keep closing piece 601 multiple
Position influences normal flow and adjusts.
Second magnet 103 is cyclic structure, and the second magnet 103 is arranged close to the lower part of connector sleeve 102, installs handwheel
After 1, the position horizontal alignment of the second magnet 103 and closing piece 601.
In use, by 102 sets of connector sleeve of handwheel 1 in lock cylinder 6, while lock tube 104 connect cooperation with opening fast 8,
Closing piece 601 is deviate from out of lockhole 304 under the action of first magnet 101, and under the action of the second magnet 103, the upper end of flat key 7 is inhaled
Enter in butt hole 802, if being sticked into flat key 7 in butt hole 802, rotates handwheel 1 at this time and adjust the position for opening block 8, until
Flat key 7 such as, then docks completion, can be achieved with the adjusting to gate valve by rotating handwheel 1, after use, removes handwheel, closing piece
601 reset under the action of second spring 603, and flat key 7 resets under the action of the first spring 302.Handwheel 1 of the invention is can
Detachable is not resided at when not in use on valve body 2, and valve rod 3 is built-in type, and is fixed by closing piece 601, anti-rotation stop
It is dynamic, rotation valve rod can not be carried out if without handwheel, valve cannot also be opened, and gate valve is allowed to be provided with theftproof self-locking function,
The safety used is increased, solves the problems, such as that not sending out molecule arbitrarily steals resource at present, protects national resources.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of safe antitheft gate valve, it is characterised in that: including handwheel (1), valve body (2), valve rod (3), disk (5) are blocked, it is described
Disk (5) are blocked to be set in valve body (2), valve rod (3) and closure disk (5) cooperation, the upper end of the valve rod (3) are connect with handwheel (1),
The handwheel (1) be it is detachable, the upper end of the valve body (2) is equipped with support column (201), and the support column (201) is equipped with
Lock cylinder (6), the inner wall of the lock cylinder (6) are equipped with the closing piece (601) for preventing valve rod (2) from rotating, and the upper end of the valve rod (3) is set
Having unlatching block (8), the outside opened block (8) and be set to lock cylinder (6) is opened and is rotatablely connected between block (8) and valve rod (3), and
It opens block (601) and is connect with the middle part of valve rod (3) by flat key (7), the lower end of the handwheel (1) is equipped with for pulling flat key
(7) the first magnet (101), first magnet (101) are equipped with lock tube (104), the lock tube (104) and unlatching block (8)
The outside of cooperation, the lock tube (104) is equipped with connector sleeve (102), is equipped in the connector sleeve (102) for opening closing piece
(601) second spring (603).
2. a kind of safe antitheft gate valve as described in claim 1, it is characterised in that: be equipped in the valve body (2) and connect with valve chamber
Logical seal chamber (202), the closure disk (5) and the seal chamber (202) cooperate.
3. a kind of safe antitheft gate valve as described in claim 1, it is characterised in that: the closure disk (5) is round pie, is blocked
The upper end of disk (5) be equipped with link block (501), the link block (501) be equipped with connecting hole (502), the connecting hole (502) with
Valve rod (3) is threadedly engaged, and the front and rear sides for blocking disk (5) are equipped with wear ring (504), and the wear ring (504) is not
Become rusty steel loop.
4. a kind of safe antitheft gate valve as claimed in claim 4, it is characterised in that: set on the periphery for blocking disk (5)
Have seal groove (503), be equipped with sealing ring (505) in the seal groove (503), (503) quantity of the seal groove is at least three
Road.
5. a kind of safe antitheft gate valve as described in claim 1, it is characterised in that: set on the lower sides of the valve rod (3)
There is external screw thread, the externally threaded top is equipped with cricoid fixing groove (305), and the upper end of the valve body (2) is equipped with retaining collar
(4), the retaining collar (4) is fixedly connected with valve body (2), and retaining collar (4) and fixing groove (305) cooperate, retaining collar (4)
Inner wall and valve rod (3) between be equipped with sealing ring.
6. a kind of safe antitheft gate valve as claimed in claim 5, it is characterised in that: set in the upper portion side wall of the valve rod (3)
Have lockhole (304), the inner wall of the lock cylinder (6) is equipped with telescopic hole (602), and the bottom of the telescopic hole (602) is equipped with second
Spring (603), the second spring (603) they are compressed spring, and the closing piece (601) and telescopic hole (602) cooperate, described second
One end of spring (603) is connect with the bottom of telescopic hole (602), and the other end of the second spring (603) and closing piece (601) are even
It connects.
7. a kind of safe antitheft gate valve as claimed in claim 6, it is characterised in that: the upper end of the valve rod (3) is equipped with connection
Ring (303), the upper end of the connection ring (303) are equipped with outer folding edge, and the upper center of the valve rod (3) is equipped with keyhole (301), institute
Flat key (7) are stated in keyhole (301), the bottom of the keyhole (301) is equipped with the first spring (302), first spring
It (302) is extension spring, the lower end of the first spring (302) is connect with the bottom of keyhole (301), the upper end of the first spring (302)
It being connect with flat key (7), in its natural state, the upper end of flat key (7) is aligned setting with the upper end of valve rod (3) to the first spring (302),
The lower end for opening block (8) is equipped with link slot (801), and the link slot (801) and connection ring (303) are rotatablely connected, described
Open the butt hole (502) being equipped in the middle part of the lower end of block (8) for cooperating with flat key (7).
8. a kind of safe antitheft gate valve as claimed in claim 7, it is characterised in that: first magnet (101) is welded on hand
In the middle part of the lower end for taking turns (1), the inner cavity of the lock tube (104) is prism structure, and the unlatching block (8) is and lock tube (104) inner cavity
The prism structure of cooperation.
9. a kind of safe antitheft gate valve as claimed in claim 8, it is characterised in that: the lower end of the handwheel (1) is equipped with shackle
(106), the upper end of the connector sleeve (102) is equipped with hook groove (105), and the hook groove (105) and shackle (106) cooperate, connector sleeve
(102) it is rotatablely connected between the handwheel (1).
10. a kind of safe antitheft gate valve as claimed in claim 9, it is characterised in that: second magnet (103) is cyclic annular knot
Structure, the second magnet (103) is arranged close to the lower part of connector sleeve (102), after installation handwheel (1), the second magnet (103) and closing piece
(601) position horizontal alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146948.0A CN109812616A (en) | 2019-02-27 | 2019-02-27 | A kind of safe antitheft gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146948.0A CN109812616A (en) | 2019-02-27 | 2019-02-27 | A kind of safe antitheft gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109812616A true CN109812616A (en) | 2019-05-28 |
Family
ID=66607672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910146948.0A Pending CN109812616A (en) | 2019-02-27 | 2019-02-27 | A kind of safe antitheft gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109812616A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530010A (en) * | 2020-04-25 | 2020-08-14 | 天津中信仁恒机电工程有限公司 | Water-saving fire control water supply system |
| CN113217694A (en) * | 2021-05-25 | 2021-08-06 | 中国航空油料有限责任公司宁夏分公司 | Protection device for valve rod of flat gate valve |
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| CN203730906U (en) * | 2014-01-26 | 2014-07-23 | 郑州市兆龙阀门有限公司 | Magnetic anti-theft gate valve |
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| CN208123501U (en) * | 2018-04-14 | 2018-11-20 | 浙江博民机电股份有限公司 | Magnetic locking valve |
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| KR20040105858A (en) * | 2002-04-08 | 2004-12-16 | 아토믹 에너지 오브 캐나다 리미티드 | Differential pressure based lock |
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| CN103791148A (en) * | 2014-01-26 | 2014-05-14 | 郑州市兆龙阀门有限公司 | Dual-thievery-prevention sluice valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111530010A (en) * | 2020-04-25 | 2020-08-14 | 天津中信仁恒机电工程有限公司 | Water-saving fire control water supply system |
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| CN113217694A (en) * | 2021-05-25 | 2021-08-06 | 中国航空油料有限责任公司宁夏分公司 | Protection device for valve rod of flat gate valve |
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Application publication date: 20190528 |
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| RJ01 | Rejection of invention patent application after publication |