CN111895163B - Industrial stop valve - Google Patents
Industrial stop valve Download PDFInfo
- Publication number
- CN111895163B CN111895163B CN202010815154.1A CN202010815154A CN111895163B CN 111895163 B CN111895163 B CN 111895163B CN 202010815154 A CN202010815154 A CN 202010815154A CN 111895163 B CN111895163 B CN 111895163B
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- block
- valve
- switching
- sleeve
- cylinder body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
- F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention discloses an industrial stop valve, which comprises a valve body, a valve cover and a valve rod, and is characterized in that: the upper end of the valve cover is provided with a bracket, the upper end of the bracket is provided with a cylinder body, a piston is arranged in the cylinder body, the cylinder body is provided with an upper air inlet hole and a lower air inlet hole which are distributed on the upper side and the lower side of the piston, the upper air inlet hole and the lower air inlet hole are respectively connected with an air source, and the valve rod penetrates through the cylinder body and is in transmission connection with the piston; the cylinder body top is equipped with the cover and locates the control sleeve outside the valve rod, control block and switching piece, and control block and switching piece distribute from top to bottom and set up in the control sleeve, the control sleeve lower extreme rotates to be connected on the cylinder body, the control sleeve upper end is connected with the hand wheel, control block and control sleeve circumference linkage, the control block is including the left square and the right square of symmetric distribution, and but left square and right square radial movement set up in the control sleeve, the inboard and the valve rod screw thread transmission cooperation of left square and right square, switching piece lower extreme rotates to be connected on the cylinder body, left square and right square are by switching piece drive. The implementation mode of the invention can be switched to use.
Description
Technical Field
The invention relates to an improved stop valve, in particular to an improved stop valve for industry.
Background
The drive arrangement of traditional stop valve has pneumatic drive, electric drive or hand wheel drive, and it can only select a drive mode, can't satisfy complicated changeable service environment, if under the power failure condition, pneumatic drive etc. will be unable to use, and when perhaps single drive mode damaged, will lead to the unable use of stop valve, influence work.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an industrial stop valve with a switchable driving mode.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme: this kind of industrial stop valve, including valve body, valve gap and valve rod, be equipped with import chamber, export chamber and central through-hole in the valve body, import chamber is linked together through central through-hole with export chamber, and the port is equipped with the disk seat on the central through-hole, the valve body upper end is located to the valve gap lid, and the valve rod liftable is worn to locate on the valve gap, and the valve rod lower extreme is connected with the valve clack, valve clack and disk seat seal cooperation, its characterized in that: the upper end of the valve cover is provided with a support, the upper end of the support is provided with a cylinder body, a piston is arranged in the cylinder body, the cylinder body is provided with an upper air inlet hole and a lower air inlet hole which are distributed on the upper side and the lower side of the piston, the upper air inlet hole and the lower air inlet hole are respectively connected with an air source, and the valve rod penetrates through the cylinder body and is in transmission connection with the piston; the upper part of the cylinder body is provided with a control sleeve, a control block and a switching block which are sleeved outside the valve rod, the control block and the switching block are vertically distributed in the control sleeve, the lower end of the control sleeve is rotatably connected to the cylinder body, the upper end of the control sleeve is connected with a hand wheel, the control block is circumferentially linked with the control sleeve, the control block comprises a left block and a right block which are symmetrically distributed, the left block and the right block can radially move and are arranged in the control sleeve, the inner sides of the left block and the right block are in threaded transmission fit with the valve rod, the lower end of the switching block is rotatably connected to the cylinder body, the switching block is provided with a guide groove, the corresponding left block and the right block are provided with a guide rod, the guide rod and the guide groove are mutually matched to drive the left block and the right block to radially move, the switching block is connected with radially arranged rods, the corresponding control sleeve is provided with a switching groove for rotating the switching rod, and the switching sleeve is rotatably sleeved outside the control sleeve, the lower end of the switching sleeve is in transmission connection with the switching rod, and the control sleeve is further provided with a switching sleeve locking structure.
A boss positioned in the center is arranged on the outer top surface of the cylinder body, an adjusting ring is connected to the boss in a threaded manner, the lower end of the switching block is rotatably sleeved at the upper end of the adjusting ring, a mounting groove is formed in the lower end of the corresponding switching block, a first bearing is arranged in the mounting groove, the switching block and the control block can also move up and down in the control sleeve for adjustment, and a butterfly spring is arranged between the upper end surface of the control block and the control sleeve; the valve rod penetrates through the boss and the adjusting ring.
The guide groove is an arc-shaped groove, and the distance between the arc-shaped groove and the valve rod is gradually changed.
The switching sleeve locking structure comprises a limiting sleeve and a limiting rod, the limiting sleeve is fixedly sleeved on the control sleeve, the limiting rod can vertically move to penetrate through the limiting sleeve, a limiting hole is formed in the upper end of the corresponding switching sleeve, and the lower end of the limiting rod is matched with the limiting hole.
The lower end of the switching sleeve is provided with a circumferential outer edge, the circumferential outer edge is rotatably arranged in second bearings which are distributed up and down, and the second bearings are limited on the outer top surface of the cylinder body by fixing blocks.
The improved industrial stop valve has two driving modes of manual driving and pneumatic driving, can be driven by switching one driving device at any time, opens or closes the valve, has simple and convenient switching method and high reliability, and can be used as an emergency scheme to adapt to different working environments.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view D-D of fig. 1 of the present invention.
Fig. 3 is a cross-sectional view E-E of fig. 1 according to the present invention.
Fig. 4 is a partially enlarged view of fig. 1 of the present invention.
Detailed Description
The drawings show the structure of the invention, and the details thereof are further described below with reference to the drawings. In this embodiment, the industrial stop valve includes a valve body 1, a valve cover 11 and a valve rod 5, an inlet chamber 2, an outlet chamber 29 and a central through hole 31 are provided in the valve body 1, the inlet chamber 2 is communicated with the outlet chamber 29 through the central through hole 31, a valve seat 3 is provided at an upper port of the central through hole, the valve cover 11 is covered at an upper end of the valve body 1, the valve rod 5 is disposed on the valve cover 11 in a liftable and penetrative manner, a packing 6 is disposed between an upper end of the corresponding valve cover 11 and the valve rod 5, the packing 6 is pressed by a pressing cover 7, a valve flap 4 is connected to a lower end of the valve rod 5, the valve flap 4 is in sealing fit with the valve seat 3, a support 8 is provided at an upper end of the valve cover 11, a cylinder body 9 is provided at an upper end of the support 8, a piston 10 is provided in the cylinder body 9, an upper air inlet 27 and a lower air inlet 28 are disposed at upper and lower air inlet 28 of the piston 10, the upper air inlet 27 and the lower air inlet 28 are respectively connected with a positive and negative alternate fit air source, the valve rod 5 penetrates through the cylinder body 9 and is in transmission connection with the piston 10; a control sleeve 16, a control block 18 and a switching block 15 which are sleeved outside the valve rod 5 are arranged above the cylinder body 9, the control block 18 and the switching block 15 are vertically distributed in the control sleeve 16, the lower end of the control sleeve 16 is rotationally connected to the cylinder body 9, the upper end of the control sleeve 16 is connected with a hand wheel 19, the control block 18 and the control sleeve 16 are circumferentially linked, the control block 18 comprises a left square block and a right square block which are symmetrically distributed, the left square block and the right square block can be radially moved and arranged in the control sleeve 16, the inner sides of the left square block and the right square block are in threaded transmission fit with the valve rod 5, the lower end of the switching block 15 is rotationally connected to the cylinder body 9, a guide groove 30 is arranged on the switching block 15, a guide rod 17 is arranged on the corresponding left square block and the right square block, the guide rod 17 is in mutual fit with the guide groove 30 to drive the left square block and the right block to radially move, and a switching rod 25 which is radially arranged is connected to the switching block 15, a switching groove 24 for rotating a switching rod 25 is arranged on the corresponding control sleeve 16, a switching sleeve 23 is rotatably sleeved outside the control sleeve 16, the lower end of the switching sleeve 23 is connected with the switching rod 25 in a transmission manner, and a locking structure of the switching sleeve 23 is also arranged on the control sleeve 16.
As a further improved specific embodiment, a boss located at the center is arranged on the outer top surface of the cylinder body 9, an adjusting ring 13 is connected to the boss in a threaded manner, the lower end of the switching block 15 is rotatably sleeved at the upper end of the adjusting ring 13, a mounting groove is correspondingly arranged at the lower end of the switching block 15, a first bearing 14 is arranged in the mounting groove, the switching block 15 and the control block 18 can also move up and down in the control sleeve 16 for adjustment, and a belleville spring 20 is arranged between the upper end surface of the control block 18 and the control sleeve 16; the valve rod 5 passes through the boss and the adjusting ring 13. During operation, the adjusting ring 13 is rotated, the adjusting ring 13 moves up and down on the boss to adjust the heights of the switching block 15 and the control block 18, so that the switching sleeve 23 is tightly attached to the switching rod 25, and the control block 18 is in precise threaded fit with the valve rod 5.
As a further improved embodiment, the guide groove 30 is an arc-shaped groove, and the distance between the arc-shaped groove and the valve rod 5 is gradually changed, so that when the switching block 15 rotates, the guide groove 30 drives the guide rod 17 to move the left block and the right block radially.
As a further improved specific implementation manner, the locking structure of the switching sleeve 23 includes a limiting sleeve 22 and a limiting rod 21, the limiting sleeve 22 is fixedly sleeved on the control sleeve 16, the limiting rod 21 can move up and down to penetrate through the limiting sleeve 22, a limiting hole is formed at the upper end of the corresponding switching sleeve 23, and the lower end of the limiting rod 21 is matched with the limiting hole. When the switching sleeve 23 works, the limiting rod 21 moves downwards to be inserted into the limiting hole, the switching sleeve 23 can be limited to rotate, and the two limiting holes are arranged at corresponding positions because the rotating starting end and the rotating terminal of the switching sleeve 23 need to be limited.
As a further improved embodiment, the lower end of the switching sleeve 23 is provided with a circumferential outer edge, the circumferential outer edge is rotatably arranged in the second bearings 26 which are distributed up and down, the second bearings 26 are limited on the outer top surface of the cylinder 9 by the fixing block 12, and the fixing block 12 is fixedly installed on the cylinder 9 by bolts.
The pneumatic drive of the invention is switched to the hand wheel 19 drive: the limiting rod 21 is moved upwards to enable the limiting rod 21 to be separated from the switching sleeve 23, the switching sleeve 23 is rotated anticlockwise, the switching sleeve 23 drives the switching rod 25 to rotate anticlockwise and simultaneously drives the switching block 15 to rotate anticlockwise, the left block and the right block of the control block 18 are drawn inwards under the action of the guide rod 17 and the guide groove 30, internal threads matched with external threads on the upper portion of the valve rod 5 are arranged on the inner sides of the left block and the right block, when the internal threads and the external threads are completely matched, the anticlockwise rotation of the switching sleeve 23 is stopped, the limiting rod 21 is moved downwards to enable the lower portion of the limiting rod 21 to enter the switching sleeve 23 again, the switching sleeve 23 is prevented from driving the switching rod to rotate, and at the moment, the control hand wheel 19 rotates the control sleeve 16 to drive the control block 18 to rotate, so that the valve rod 5 is driven to move upwards or downwards to open or close the valve.
The hand wheel 19 drive of the present invention is switched to pneumatic drive: the limiting rod 21 is moved upwards, the switching sleeve 23 is rotated clockwise, the switching rod 25 is driven to rotate clockwise, the switching block 15 is driven to rotate clockwise, due to the effect of the guide rod 17 and the guide groove 30, the left block and the right block of the control block 18 are separated from the valve rod 5 outwards, when the left block and the right block are completely separated from the valve rod 5, the switching sleeve 23 stops rotating, the limiting rod 21 is moved downwards, the lower part of the limiting rod 21 enters the switching sleeve 23 again, the switching sleeve 23 is prevented from being driven to rotate by the switching rod, and the valve rod 5 can be driven to open or close by the piston 10 driven by an air source to move upwards and downwards.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an industrial stop valve, including valve body, valve gap and valve rod, be equipped with import chamber, export chamber and central through-hole in the valve body, import chamber is linked together through central through-hole with export chamber, and the port is equipped with the disk seat on the central through-hole, the valve body upper end is located to the valve gap lid, and the valve rod liftable is worn to locate on the valve gap, and the valve rod lower extreme is connected with the valve clack, valve clack and the sealed cooperation of disk seat, its characterized in that: the upper end of the valve cover is provided with a support, the upper end of the support is provided with a cylinder body, a piston is arranged in the cylinder body, the cylinder body is provided with an upper air inlet hole and a lower air inlet hole which are distributed on the upper side and the lower side of the piston, the upper air inlet hole and the lower air inlet hole are respectively connected with an air source, and the valve rod penetrates through the cylinder body and is in transmission connection with the piston; the upper part of the cylinder body is provided with a control sleeve, a control block and a switching block which are sleeved outside the valve rod, the control block and the switching block are vertically distributed in the control sleeve, the lower end of the control sleeve is rotatably connected to the cylinder body, the upper end of the control sleeve is connected with a hand wheel, the control block is circumferentially linked with the control sleeve, the control block comprises a left block and a right block which are symmetrically distributed, the left block and the right block can radially move and are arranged in the control sleeve, the inner sides of the left block and the right block are in threaded transmission fit with the valve rod, the lower end of the switching block is rotatably connected to the cylinder body, the switching block is provided with a guide groove, the corresponding left block and the right block are provided with a guide rod, the guide rod and the guide groove are mutually matched to drive the left block and the right block to radially move, the switching block is connected with radially arranged rods, the corresponding control sleeve is provided with a switching groove for rotating the switching rod, and the switching sleeve is rotatably sleeved outside the control sleeve, the lower end of the switching sleeve is in transmission connection with the switching rod, and a switching sleeve locking structure is further arranged on the control sleeve; a boss positioned in the center is arranged on the outer top surface of the cylinder body, an adjusting ring is connected to the boss in a threaded manner, the lower end of the switching block is rotatably sleeved at the upper end of the adjusting ring, a mounting groove is formed in the lower end of the corresponding switching block, a first bearing is arranged in the mounting groove, the switching block and the control block can also move up and down in the control sleeve for adjustment, and a butterfly spring is arranged between the upper end surface of the control block and the control sleeve; the valve rod penetrates through the boss and the adjusting ring.
2. The industrial shut-off valve as defined in claim 1, wherein: the guide groove is an arc-shaped groove, and the distance between the arc-shaped groove and the valve rod is gradually changed.
3. The industrial shut-off valve as defined in claim 1, wherein: the switching sleeve locking structure comprises a limiting sleeve and a limiting rod, the limiting sleeve is fixedly sleeved on the control sleeve, the limiting rod can vertically move to penetrate through the limiting sleeve, a limiting hole is formed in the upper end of the corresponding switching sleeve, and the lower end of the limiting rod is matched with the limiting hole.
4. The industrial shut-off valve as defined in claim 1, wherein: the lower end of the switching sleeve is provided with a circumferential outer edge, the circumferential outer edge is rotatably arranged in second bearings which are distributed up and down, and the second bearings are limited on the outer top surface of the cylinder body by fixing blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010815154.1A CN111895163B (en) | 2020-08-14 | 2020-08-14 | Industrial stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010815154.1A CN111895163B (en) | 2020-08-14 | 2020-08-14 | Industrial stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111895163A CN111895163A (en) | 2020-11-06 |
| CN111895163B true CN111895163B (en) | 2022-03-11 |
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ID=73229022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010815154.1A Active CN111895163B (en) | 2020-08-14 | 2020-08-14 | Industrial stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111895163B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201407376Y (en) * | 2009-05-22 | 2010-02-17 | 潘佩聪 | Pressure self-sealing pneumatic and manual gate valve with two parallel plates |
| JP4971405B2 (en) * | 2009-09-29 | 2012-07-11 | シーケーディ株式会社 | Compound valve |
| CN102401174A (en) * | 2011-11-18 | 2012-04-04 | 江苏络科阀门有限公司 | Valve pneumatic-hydraulic actuator manual switching device |
| CN203797112U (en) * | 2014-04-08 | 2014-08-27 | 凯喜姆阀门有限公司 | Manual switching type actuator |
| CN204573296U (en) * | 2014-12-30 | 2015-08-19 | 北京市阀门总厂(集团)有限公司 | The changeable many device for revolving and driving of hand-operated pneumatic |
| CN204628758U (en) * | 2015-04-15 | 2015-09-09 | 上海弘盛特种阀门制造有限公司 | Manual down-mounting type cylinder |
| CN206072387U (en) * | 2016-09-29 | 2017-04-05 | 明珠阀门集团有限公司 | A kind of gas of Pneumatic gate valve/manual apparatus for fast switching |
| CN209925655U (en) * | 2019-04-28 | 2020-01-10 | 浙江派沃自控仪表有限公司 | Pneumatic cut-off gate valve |
| CN211202913U (en) * | 2019-09-11 | 2020-08-07 | 广汉川亿石油科技有限公司 | Control device of emergency cut-off valve |
-
2020
- 2020-08-14 CN CN202010815154.1A patent/CN111895163B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111895163A (en) | 2020-11-06 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Shangyuan Inventor after: Xiong Chunbo Inventor after: Wan Jiucong Inventor after: Lan Jingjing Inventor before: Lan Jingjing |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220215 Address after: 1501, building 3 (Shenzhen Guodian building), no.1301-76, sightseeing Road, Xinlan community, Guanlan street, Longhua District, Shenzhen, Guangdong 518000 Applicant after: SHENZHEN HONGYE AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 325500 Luoyang Zhen Subei Cun Beishan, Taishun County, Wenzhou City, Zhejiang Province Applicant before: Lan Jingjing |
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| TA01 | Transfer of patent application right | ||
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| GR01 | Patent grant |