CN111022674A - Flat gate valve for oil field - Google Patents
Flat gate valve for oil field Download PDFInfo
- Publication number
- CN111022674A CN111022674A CN201911287808.1A CN201911287808A CN111022674A CN 111022674 A CN111022674 A CN 111022674A CN 201911287808 A CN201911287808 A CN 201911287808A CN 111022674 A CN111022674 A CN 111022674A
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- China
- Prior art keywords
- block
- valve
- groove
- push block
- connecting block
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0209—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a flat gate valve for an oil field, which is characterized in that: the corresponding valve bodies on the two sides of the medium channel are respectively provided with an installation cavity, a shaft body is rotationally arranged in the installation cavity, and the shaft body is provided with a gear and a pull rope; an upper push block, a lower push block and a connecting block are further arranged in the mounting cavity, the upper push block can move up and down in a first groove formed in the upper end of the lower push block, a first elastic piece is arranged between the upper push block and the first groove, a rack can move left and right and is arranged in a second groove formed in the outer side of the upper push block, a second elastic piece is arranged between the rack and the second groove, and the rack is meshed with the gear; restriction is controlled in the installation intracavity about the connecting block can, and corresponding upper and lower ejector pad can pass through the side position between the left and right valve seat by the connecting block drive, and upper ejector pad passes through the stay cord transmission with the axis body and links to each other, and in the guide slot of a direction circle was arranged in to the connecting block, the direction circle rotated and sets up on the axis body, established the third elastic component between connecting block and the direction circle. The invention effectively prevents slurry medium from being retained between the left valve seat and the right valve seat.
Description
Technical Field
The invention relates to an improved flat gate valve, in particular to an improved flat gate valve for an oil field.
Background
On oil gas field wellhead assembly and production tree, the medium of effect is mud, and traditional type high pressure plate gate valve is in the use, and its mud can get into the valve body lumen to the side position of the left and right disk seat in this lumen, the removal route when leading to the flashboard to close is obstructed, destroys the flashboard easily.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide the flat gate valve for the oil field, which has a reasonable structure and prevents slurry media from being retained at the side position between the left valve seat and the right valve seat.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme: this kind of plate valve is used in oil field, including valve body, valve gap and valve rod, be equipped with medium channel in the valve body, be equipped with left and right valve block and flashboard in the medium channel, flashboard and left and right valve block seal cooperation, and the flashboard reciprocates its characterized in that by the valve rod drive: the valve body corresponding to the two sides of the medium channel is internally provided with an installation cavity respectively, a shaft body is rotationally arranged in the installation cavity, the axis of the shaft body is parallel to the axis of the medium channel, and a gear and a pull rope are fixedly arranged on the shaft body; an upper push block, a lower push block and a connecting block are further arranged in the mounting cavity, a first groove is formed in the upper end of the lower push block, the upper push block can be arranged in the first groove in a vertically moving mode, a first elastic piece is arranged between the upper push block and the first groove, a second groove is formed in the outer side of the upper push block, a rack capable of moving inside and outside is arranged in the second groove, a second elastic piece is arranged between the rack and the second groove, and the rack is meshed with the gear; the connecting block can move the restriction in the installation intracavity outward, and corresponding ejector pad and lower ejector pad can pass in and out the side position between the left and right valve block by the connecting block drive, and this connecting block passes through the stay cord transmission with the axis body and links to each other, and in the guide slot of a guide ring was arranged in to the outer end of connecting block, the guide ring rotated and set up on the axis body, was equipped with the third elastic component between connecting block and the guide ring.
The lower position between the left valve seat and the right valve seat is provided with a bottom plate which can move up and down in a matching way, a fourth elastic piece is arranged between the bottom plate and the valve body, and the bottom plate is abutted against the lower end of the lower push block under the action of the fourth elastic piece.
The upper end of the lower push block, which is positioned at the inner side part of the first groove, is provided with an inclined surface, and the inclined surface faces the inner-upper direction.
The gear is a semicircular gear.
Dovetail groove type sliding connection is formed between the upper end and the lower end of the rack and the second groove of the upper pushing block.
The improved flat gate valve for the oil field has the advantages that the upper push block, the lower push block and the first elastic piece are arranged to form the mud pushing device, the mud pushing device is driven by the connecting block to enter and exit from the side position between the left valve seat and the right valve seat, mud media are prevented from being retained in the side position between the left valve seat and the right valve seat, and the gate plate is prevented from being damaged.
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 a-a of fig. 1 of the present invention.
Fig. 3 is a cross-sectional view E-E of fig. 2 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. The flat gate valve for the oil field comprises a valve body 1, a valve cover 5 and a valve rod 4, wherein a medium channel is arranged in the valve body 1, a left valve seat 2, a right valve seat 2 and a flashboard 3 are arranged in the medium channel, the flashboard 3 is in sealing fit with the left valve seat 2 and the right valve seat 2, the flashboard 3 is driven by the valve rod 4 to move up and down, the valve cover 5 is covered at the upper end of the valve body 1, the valve rod 4 is arranged on the valve cover 5 in a penetrating manner, mounting cavities are respectively arranged in the valve body 1 corresponding to two sides of the medium channel, a shaft body 14 is rotatably arranged in the mounting cavities, the axis of the shaft body 14 is parallel; an upper push block 10, a lower push block 8 and a connecting block 18 are further arranged in the mounting cavity, a first groove is formed in the upper end of the lower push block 8, the upper push block 10 can be arranged in the first groove in a vertically moving mode, a first elastic piece 9 is arranged between the upper push block 10 and the first groove, the first elastic piece 9 is a spring, the upper end of the spring is connected with the lower end of the upper push block 10, the lower end of the spring is connected with the bottom of the first groove, a second groove is formed in the outer side of the upper push block 10, a rack 12 capable of moving inwards and outwards is arranged in the second groove, a second elastic piece 11 is arranged between the rack 12 and the second groove, the second elastic piece 11 is a spring, the inner end of the spring is connected with the bottom of the second groove, the outer end of the spring is connected to the inner side of the rack 12, the rack 12 is meshed with a gear 13, and the rack 12 is in transmission connection with the gear 13 under; the connecting block 18 can move inwards and outwards and is limited in the installation cavity, the push-up block 10 is connected with the connecting block 18, the corresponding push-up block 10 and the corresponding push-down block 8 can be driven by the connecting block 18 to enter and exit from the side position between the left valve seat 2 and the right valve seat 2, the push-up block 10 and the corresponding push-down block 8 are matched with and fill the side position between the left valve seat 2 and the right valve seat 2, the connecting block 18 is connected with the shaft body 14 through a pull rope 16 in a transmission manner, the outer end of the connecting block 18 is arranged in a guide groove of a guide ring 15, the guide ring 15 is rotatably arranged on the shaft body 14, a third elastic part 17 is arranged between the connecting block 18 and the guide ring 15, the third elastic part 17 is a. Wherein, the internal and external movement of the rack 12 and the connecting block 18 is relative to the valve body 1, the movement is outward away from the center of the valve body 1, and the movement is inward close to the center of the valve body 1.
The lower position between the left valve seat 2 and the right valve seat 2 is provided with a bottom plate 6 capable of moving up and down in a matching mode, a fourth elastic piece 7 is arranged between the bottom plate 6 and the valve body 1, the fourth elastic piece 7 is a disc spring, the upper end of the disc spring is connected with the lower end of the bottom plate 6, the lower end of the disc spring is connected with the lower end of the valve body 1, and the bottom plate 6 is always abutted to the lower end of the lower push block 8 under the action of the disc spring.
The upper end of the lower pushing block 8, which is positioned at the inner side part of the first groove, is provided with an inclined plane, the inclined plane faces the inner upper direction, and the inclined plane prevents clamping stagnation between the lower pushing block 8 and the downward moving gate plate 3.
The gear 13 is a semicircular gear, so that the installation space is saved on the premise of meeting the driving requirement.
Dovetail groove type sliding connection is formed between the upper end and the lower end of the rack 12 and the second groove of the upper pushing block 10, and moving stability is improved.
The starting process of the invention is as follows: when the gate plate 3 is driven by the valve rod 4 to rise upwards and reach the top of the push-up block 10, the third elastic piece 17 drives the connecting block 18 to move inwards, the push-up block 10 and the lower push block 8 are driven by the connecting block 18 and the second elastic piece 11 to move inwards to the side position between the left valve seat 2 and the right valve seat 2, slurry media flowing in the media channel are prevented from being retained at the side position between the two valve seats 2, at the moment, the pull rope 16 is in a tensioning state, and the lower end face of the gate plate 3 presses the top face of the push-up block 10.
And (3) closing process: when the gate plate 3 moves downwards, the push-up block 10 is pushed to move downwards in the first groove, and the rack 12 is driven to move downwards, the rack 12 moves downwards to drive the gear 13 to rotate, and simultaneously the shaft body 14 is driven to rotate, the rotation of the shaft body 14 drives the pull rope 16 to wind along the shaft surface, the pull rope 16 drives the connecting plate to move outwards, so that the push-up block 10 and the lower push block 8 are driven to move outwards, when the lower end face of the gate plate 3 is separated from the upper end face of the push-up block 10, the push-up block 10 moves upwards again under the action of the first elastic piece 9 to reset, and drives the rack 12 to move upwards, the rack 12 drives the gear 13 to rotate in the opposite direction, and simultaneously drives the shaft body 14 to rotate in the opposite direction, the pull rope 16 becomes.
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 (5)
1. The utility model provides an oil field is with plate valve, including valve body, valve gap and valve rod, be equipped with medium channel in the valve body, be equipped with left and right valve block and flashboard in the medium channel, flashboard and left and right valve block seal cooperation, and the flashboard reciprocates its characterized in that by the valve rod drive: the valve body corresponding to the two sides of the medium channel is internally provided with an installation cavity respectively, a shaft body is rotationally arranged in the installation cavity, the axis of the shaft body is parallel to the axis of the medium channel, and a gear and a pull rope are fixedly arranged on the shaft body; an upper push block, a lower push block and a connecting block are further arranged in the mounting cavity, a first groove is formed in the upper end of the lower push block, the upper push block can be arranged in the first groove in a vertically moving mode, a first elastic piece is arranged between the upper push block and the first groove, a second groove is formed in the outer side of the upper push block, a rack capable of moving inside and outside is arranged in the second groove, a second elastic piece is arranged between the rack and the second groove, and the rack is meshed with the gear; the connecting block can move the restriction in the installation intracavity outward, and corresponding ejector pad and lower ejector pad can pass in and out the side position between the left and right valve block by the connecting block drive, and this connecting block passes through the stay cord transmission with the axis body and links to each other, and in the guide slot of a guide ring was arranged in to the outer end of connecting block, the guide ring rotated and set up on the axis body, was equipped with the third elastic component between connecting block and the guide ring.
2. The flat gate valve for an oilfield according to claim 1, wherein: the lower position between the left valve seat and the right valve seat is provided with a bottom plate which can move up and down in a matching way, a fourth elastic piece is arranged between the bottom plate and the valve body, and the bottom plate is abutted against the lower end of the lower push block under the action of the fourth elastic piece.
3. The flat gate valve for an oilfield according to claim 1, wherein: the upper end of the lower push block, which is positioned at the inner side part of the first groove, is provided with an inclined surface, and the inclined surface faces the inner-upper direction.
4. The flat gate valve for an oilfield according to claim 1, wherein: the gear is a semicircular gear.
5. The flat gate valve for an oilfield according to claim 1, wherein: dovetail groove type sliding connection is formed between the upper end and the lower end of the rack and the second groove of the upper pushing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287808.1A CN111022674B (en) | 2019-12-15 | 2019-12-15 | Flat gate valve for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287808.1A CN111022674B (en) | 2019-12-15 | 2019-12-15 | Flat gate valve for oil field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111022674A true CN111022674A (en) | 2020-04-17 |
| CN111022674B CN111022674B (en) | 2021-06-08 |
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ID=70210843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911287808.1A Active CN111022674B (en) | 2019-12-15 | 2019-12-15 | Flat gate valve for oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022674B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402896Y (en) * | 1999-12-21 | 2000-10-25 | 杨万福 | Press lock type valve |
| JP2006052749A (en) * | 2004-08-10 | 2006-02-23 | Mitsubishi Heavy Ind Ltd | Valve gear |
| CN202790624U (en) * | 2012-09-27 | 2013-03-13 | 四川优机实业股份有限公司 | Guide mechanism of flat gate valve flashboard |
| CN104100728A (en) * | 2014-08-07 | 2014-10-15 | 郑子叶 | Self-sealing gate valve |
| CN106051191A (en) * | 2016-07-14 | 2016-10-26 | 西派集团有限公司 | Erosion-resistant hand-operated assistance flat valve |
| CN205715718U (en) * | 2016-04-22 | 2016-11-23 | 凯瑞特阀业有限公司 | Rack-and-pinion flat gate valve |
| CN206754438U (en) * | 2017-05-15 | 2017-12-15 | 永嘉东峰阀门有限公司 | The gate valve of folding with convenience |
-
2019
- 2019-12-15 CN CN201911287808.1A patent/CN111022674B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402896Y (en) * | 1999-12-21 | 2000-10-25 | 杨万福 | Press lock type valve |
| JP2006052749A (en) * | 2004-08-10 | 2006-02-23 | Mitsubishi Heavy Ind Ltd | Valve gear |
| CN202790624U (en) * | 2012-09-27 | 2013-03-13 | 四川优机实业股份有限公司 | Guide mechanism of flat gate valve flashboard |
| CN104100728A (en) * | 2014-08-07 | 2014-10-15 | 郑子叶 | Self-sealing gate valve |
| CN205715718U (en) * | 2016-04-22 | 2016-11-23 | 凯瑞特阀业有限公司 | Rack-and-pinion flat gate valve |
| CN106051191A (en) * | 2016-07-14 | 2016-10-26 | 西派集团有限公司 | Erosion-resistant hand-operated assistance flat valve |
| CN206754438U (en) * | 2017-05-15 | 2017-12-15 | 永嘉东峰阀门有限公司 | The gate valve of folding with convenience |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111022674B (en) | 2021-06-08 |
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Effective date of registration: 20210520 Address after: 257081 South 100m west of the intersection of south 2nd Road and Qilianshan Road, Shengyuan street, Dongying District, Dongying City, Shandong Province Applicant after: DONGYING TIANJIN PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: No.63, Maidao North Road, Maidao village, Oubei street, Yongjia County, Wenzhou City, Zhejiang Province Applicant before: Yongjia Qida Intellectual Property Consulting Co.,Ltd. |
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