CN203926868U - Sealing fine turning gate valve - Google Patents
Sealing fine turning gate valve Download PDFInfo
- Publication number
- CN203926868U CN203926868U CN201420374145.3U CN201420374145U CN203926868U CN 203926868 U CN203926868 U CN 203926868U CN 201420374145 U CN201420374145 U CN 201420374145U CN 203926868 U CN203926868 U CN 203926868U
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- China
- Prior art keywords
- flashboard
- sealing surface
- sealing
- tuning plate
- valve
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- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of sealing fine turning gate valve, mainly comprise: valve body, flashboard core, left flashboard, right flashboard, left tuning plate, right tuning plate, valve rod, body cavity is provided with left sealing surface and the right sealing surface that can form wedge-type structure space wide at the top and narrow at the bottom, flashboard core is installed on valve rod lower end, and the wedge-type structure space wide at the top and narrow at the bottom described in stretching into, left flashboard and right flashboard are arranged on respectively the left and right sides of flashboard core, extension spring and the drop-down spring of stretching are installed between left flashboard and right flashboard, left tuning plate and right tuning plate are arranged on respectively the guiding groove place at valve rod middle part, when left tuning plate moves down, promoting left flashboard vertically compresses to the left sealing surface of body cavity, when right tuning plate moves down, promoting right flashboard vertically compresses to the right sealing surface of body cavity, solved in the process that in prior art, flashboard will cut out, flashboard sealing surface and body cavity sealing surface form to rub and lack wiping, thereby working life is short, the defect that seal pressure is little.
Description
Technical field
The utility model relates to a kind of valve, especially relates to a kind of gate valve.
Background technique
Existing gate valve mainly comprises valve body, flashboard, valve rod, body cavity is provided with left sealing surface and right sealing surface, between left sealing surface and right sealing surface, form wedge-type structure space wide at the top and narrow at the bottom, flashboard is installed on valve rod lower end, and the wedge-type structure space of the body cavity described in stretching into, flashboard is provided with left sealing surface and right sealing surface, while moving down under the effect of flashboard at valve rod, the left sealing surface of flashboard and right sealing surface compress respectively left sealing surface and the right sealing surface of body cavity, and formation sealing, its shortcoming is: in the process of closing at gate valve, the left sealing surface of flashboard and right sealing surface respectively and the left sealing surface of valve body and right sealing surface this can produce friction, easily cause the left and right sealing surface of flashboard and the left and right sealing surface of valve body to wear and tear fast, working life is short, sealing force between flashboard sealing surface and valve body sealing surface is by the downward Force decomposition of valve rod simultaneously, seal pressure is little, sealing is poor.
Summary of the invention
For the defect existing in prior art, the utility model provides a kind of flashboard in the process of closing, and flashboard sealing surface and valve body sealing surface do not produce friction, the sealing fine turning gate valve of good airproof performance, long service life.
The utility model is realized by following technical solution:
Sealing fine turning gate valve comprises valve body, valve gap, left flashboard, flashboard core, left tuning plate, left flexible rod, left sealing adjustable lever, valve rod, right flashboard, right tuning plate, right flexible rod, right sealing adjustable lever, upper end extension spring, lower end extension spring, upper positioning block, lower positioning block, valve gap is arranged on valve body top, handwheel and Stem Mut are arranged on valve gap top, Stem Mut and valve rod upper end are threaded connection, body cavity is respectively equipped with left sealing surface and right sealing surface, this left sealing surface and right sealing surface and valve body longitudinal axis have certain angle, between this left sealing surface and right sealing surface, form wedge-type structure space wide at the top and narrow at the bottom, flashboard core is fixedly mounted on valve rod lower end by upper positioning block and lower positioning block, and the wedge-type structure space of the body cavity described in stretching into, flashboard core two ends are respectively equipped with a left inside through hole and right inside through hole, the left sealing surface of the axis of this left inside through hole and body cavity is perpendicular, the right sealing surface of the axis of this right inside through hole and body cavity is perpendicular, left flashboard and right flashboard are all disk structure, left flashboard one end is provided with sealing surface, the left flashboard the other end is provided with a protruding shaft type cylinder, right flashboard one end is provided with sealing surface, the right flashboard the other end is provided with a protruding shaft type cylinder, the shaft type cylinder of left flashboard the other end projection matches with the left inside through hole of flashboard core, the shaft type cylinder of right flashboard the other end projection matches with the right inside through hole of flashboard core, upper end extension spring and lower end extension spring are located at respectively the top and bottom between left flashboard and right flashboard, and left flashboard and right flashboard are strained to flashboard core side, between the end face of the shaft type cylindrical side of left flashboard the other end projection and valve rod, there is certain gap, this gap is wide at the top and narrow at the bottom in longitudinal cross-section direction, between the end face of the shaft type cylindrical side of right flashboard the other end projection and valve rod, there is certain gap, this gap is wide at the top and narrow at the bottom in longitudinal cross-section direction, symmetrical place, valve rod middle part is respectively equipped with left guiding groove and right guiding groove, left tuning plate and right tuning plate are arranged on respectively described left guiding groove and right guiding groove place, left tuning plate and right tuning plate can move up and down, left tuning plate and right tuning plate integral body are angie type structure, the lower end of left tuning plate and right tuning plate lower end are all arc-shaped structure, it is outside that left flexible rod is fixedly mounted on left tuning plate upper end by left nut, and extend upward, it is outside that right flexible rod is fixedly mounted on right tuning plate upper end by right nut, and extend upward, left sealing adjustment sleeve is arranged on valve gap left side by left gland, left sealing adjustment sleeve lower end endoporus and left flexible rod upper end are threaded connection, right sealing adjustment sleeve is arranged on valve gap right side by right gland, right sealing adjustment sleeve lower end endoporus and right flexible rod upper end are threaded connection.
The utility model has the advantages that: gate valve is in the process of closing, and flashboard sealing surface and valve body sealing surface do not produce friction, long service life increases the power perpendicular to sealing surface to sealing surface simultaneously, increases seal pressure, good airproof performance.
Accompanying drawing explanation
Fig. 1 is the utility model closed condition structural representation.
Fig. 2 is the utility model opening state structural representation.
embodiment:
According to Fig. 1, Fig. 2 is known, the utility model sealing fine turning gate valve comprises valve body 1, valve gap 9, left flashboard 2, flashboard core 3, left tuning plate 5, left flexible rod 6, left sealing adjustable lever 7, valve rod 24, right flashboard 20, right tuning plate 17, right flexible rod 16, right sealing adjustable lever 15, upper end extension spring 19, lower end extension spring 22, upper positioning block 21, lower positioning block 23, valve gap 9 is arranged on valve body 1 top, handwheel 10 and Stem Mut 11 are arranged on valve gap 9 tops, Stem Mut 11 is threaded connection with valve rod 24 upper ends, valve body 1 inner chamber is respectively equipped with left sealing surface and right sealing surface, this left sealing surface and right sealing surface and valve body 1 longitudinal axis have certain angle, between this left sealing surface and right sealing surface, form wedge-type structure space wide at the top and narrow at the bottom, flashboard core 3 is fixedly mounted on valve rod 24 lower ends by upper positioning block 21 and lower positioning block 23, and the wedge-type structure space of valve body 1 inner chamber described in stretching into, flashboard core 3 two ends are respectively equipped with a left inside through hole and right inside through hole, the left sealing surface of the axis of this left inside through hole and valve body 1 inner chamber is perpendicular, the right sealing surface of the axis of this right inside through hole and valve body 1 inner chamber is perpendicular, left flashboard 2 and right flashboard 20 are all disk structure, left flashboard 2 one end are provided with sealing surface, left flashboard 2 the other ends are provided with a protruding shaft type cylinder, right flashboard 20 one end are provided with sealing surface, right flashboard 20 the other ends are provided with a protruding shaft type cylinder, the shaft type cylinder of left flashboard 2 the other end projections matches with the left inside through hole of flashboard core 3, the shaft type cylinder of right flashboard 20 the other end projections matches with the right inside through hole of flashboard core 3, upper end extension spring 19 and lower end extension spring 22 are located at respectively the top and bottom between left flashboard 2 and right flashboard 20, and left flashboard 2 and right flashboard 20 are strained to flashboard core 3 sides, between the end face of the shaft type cylindrical side of left flashboard 2 the other end projections and valve rod 24, there is certain gap, this gap is wide at the top and narrow at the bottom in longitudinal cross-section direction, between the end face of the shaft type cylindrical side of right flashboard 20 the other end projections and valve rod 24, there is certain gap, this gap is wide at the top and narrow at the bottom in longitudinal cross-section direction, valve rod 24 symmetrical places, middle part are respectively equipped with left guiding groove and right guiding groove, left tuning plate 5 and right tuning plate 17 are arranged on respectively described left guiding groove and right guiding groove place, left tuning plate 5 and right tuning plate 17 can move up and down, left tuning plate 5 and right tuning plate 17 integral body are angie type structure, the lower end of left tuning plate 5 and right tuning plate 17 lower ends are all arc-shaped structure, it is outside that left flexible rod 6 is fixedly mounted on left tuning plate 5 upper ends by left nut 4, and extend upward, it is outside that right flexible rod 16 is fixedly mounted on right tuning plate 17 upper ends by right nut 18, and extend upward, left sealing adjustment sleeve 7 is arranged on valve gap 9 left sides by left gland 8, left sealing adjustment sleeve 7 lower end endoporus and left flexible rod 6 upper ends are threaded connection, right sealing adjustment sleeve 15 is arranged on valve gap 9 right sides by right gland 14, right sealing adjustment sleeve 15 lower end endoporus and right flexible rod 16 upper ends are threaded connection.
When the utility model sealing fine turning gate valve is prepared and opens, by the rotation of left sealing adjustable lever 7, control left tuning plate 5 and left flexible rod 6 moves up, reach extreme higher position, now, left flashboard 2 is close to flashboard core 3 under the effect of upper extension spring 19 and lower extension spring 22, the sealing surface of left flashboard 2 departs from the left sealing surface of valve body 1 inner chamber, by the rotation of right sealing adjustable lever 15, control right tuning plate 17 and right flexible rod 16 moves up, reach extreme higher position, now, right flashboard 20 is close to flashboard core 3 under the effect of upper extension spring 19 and lower extension spring 22, the sealing surface of right flashboard 20 departs from the right sealing surface of valve body 1 inner chamber, in the time of need to closing, then by spiral handwheel 10, control valve rod 24 and the left flashboard 2 that is arranged on valve rod 24 lower ends, the parts such as flashboard core 3 and right flashboard 20 move up, arrive complete opening state.
When the utility model sealing fine turning gate valve is prepared to close, first rotation hand wheel 10 is controlled valve rod 24 and the left flashboard 2 that is arranged on valve rod 24 lower ends, flashboard core 3, the parts such as lower positioning block 23 and right flashboard 20 move down, make lower positioning block 23 touch valve body 1 intracavity bottom, now, left flashboard 2 sealing surfaces do not contact with the left sealing surface of valve body 1 inner chamber, right flashboard 20 sealing surfaces do not contact with the right sealing surface of valve body 1 inner chamber, then rotating the left sealing adjustable lever 7 left tuning plates 5 of control and left flexible rod 6 moves down, make the part of the arc-shaped structure of left tuning plate 5 lower ends put in the end face of shaft type cylindrical side of left flashboard 2 the other end projections and the gap between valve rod 24, and promote left flashboard 2 and move to the left sealing surface direction of valve body 1 inner chamber, make the left sealing surface of left flashboard 2 sealing surface compact valve body 1 inner chambers, and keep sealing, rotating the right sealing adjustable lever 15 right tuning plates 17 of control and right flexible rod 16 moves down again, make the part of the arc-shaped structure of right tuning plate 17 lower ends put in the end face of shaft type cylindrical side of right flashboard 20 the other end projections and the gap between valve rod 24, and promote right flashboard 20 and move to the right sealing surface direction of valve body 1 inner chamber, make the right sealing surface of right flashboard 20 sealing surface compact valve body 1 inner chambers, and keep sealing.
In order to rotate more easily left sealing adjustable lever 7 and right sealing adjustable lever 15, in the upper end of left sealing adjustable lever 7 and right sealing adjustable lever 15, be designed to respectively polygon structure, also can become slot type structure at upper end end milling.
The arc-shaped structure of described left tuning plate 5 lower ends can be also wedge-type structure wide at the top and narrow at the bottom.
The arc-shaped structure of described right tuning plate 17 lower ends can be also wedge-type structure wide at the top and narrow at the bottom.
Described handwheel 10 can be also that other can drive Stem Mut 11 rotations, thereby controls the drive unit that valve rod 24 moves up and down, and this drive unit can be umbrella gear transmission, Pneumatic Transmission, hydraulic transmission etc.
Claims (4)
1. one kind seals fine turning gate valve, comprise valve body (1), valve gap (9), , handwheel (10), Stem Mut (11), valve rod (24), valve gap (9) is arranged on valve body (1) top, handwheel (10) and Stem Mut (11) are arranged on valve gap (9) top, Stem Mut (11) is threaded connection with valve rod (24) upper end, valve body (1) inner chamber is respectively equipped with left sealing surface and right sealing surface, this left sealing surface and right sealing surface and valve body (1) longitudinal axis have certain angle, between this left sealing surface and right sealing surface, form wedge-type structure space wide at the top and narrow at the bottom, it is characterized in that: also comprise left flashboard (2), flashboard core (3), left tuning plate (5), left flexible rod (6), left sealing adjustable lever (7), right flashboard (20), right tuning plate (17), right flexible rod (16), right sealing adjustable lever (15), upper end extension spring (19), lower end extension spring (22), upper positioning block (21), lower positioning block (23), flashboard core (3) is fixedly mounted on valve rod (24) lower end by upper positioning block (21) and lower positioning block (23), and the wedge-type structure space of valve body (1) inner chamber described in stretching into, flashboard core (3) two ends are respectively equipped with a left inside through hole and right inside through hole, the left sealing surface of the axis of this left inside through hole and valve body (1) inner chamber is perpendicular, the right sealing surface of the axis of this right inside through hole and valve body (1) inner chamber is perpendicular, left flashboard (2) and right flashboard (20) are all disk structure, left flashboard (2) one end is provided with sealing surface, left flashboard (2) the other end is provided with a protruding shaft type cylinder, right flashboard (20) one end is provided with sealing surface, right flashboard (20) the other end is provided with a protruding shaft type cylinder, the shaft type cylinder of left flashboard (2) the other end projection matches with the left inside through hole of flashboard core (3), the shaft type cylinder of right flashboard (20) the other end projection matches with the right inside through hole of flashboard core (3), upper end extension spring (19) and lower end extension spring (22) are located at respectively the top and bottom between left flashboard (2) and right flashboard (20), and left flashboard (2) and right flashboard (20) are strained to flashboard core (3) side, between the end face of the shaft type cylindrical side of left flashboard (2) the other end projection and valve rod (24), there is certain gap, this gap is wide at the top and narrow at the bottom in longitudinal cross-section direction, between the end face of the shaft type cylindrical side of right flashboard (20) the other end projection and valve rod (24), there is certain gap, this gap is wide at the top and narrow at the bottom in longitudinal cross-section direction, symmetrical place, valve rod (24) middle part is respectively equipped with left guiding groove and right guiding groove, left tuning plate (5) and right tuning plate (17) are arranged on respectively described left guiding groove and right guiding groove place, left tuning plate (5) and right tuning plate (17) integral body are angie type structure, the lower end of left tuning plate (5) and right tuning plate (17) lower end are all arc-shaped structure, it is outside that left flexible rod (6) is fixedly mounted on left tuning plate (5) upper end by left nut (4), and extend upward, it is outside that right flexible rod (16) is fixedly mounted on right tuning plate (17) upper end by right nut (18), and extend upward, left sealing adjustment sleeve (7) is arranged on valve gap (9) left side by left gland (8), left sealing adjustment sleeve (7) lower end endoporus and left flexible rod (6) upper end are threaded connection, right sealing adjustment sleeve (15) is arranged on valve gap (9) right side by right gland (14), right sealing adjustment sleeve (15) lower end endoporus and right flexible rod (16) upper end are threaded connection.
2. a kind of sealing fine turning gate valve according to claim 1, is characterized in that: the upper end of described left sealing adjustable lever (7) and right sealing adjustable lever (15) is designed to respectively polygon structure.
3. a kind of sealing fine turning gate valve according to claim 1, is characterized in that: the end, upper end of described left sealing adjustable lever (7) and right sealing adjustable lever (15) respectively milling becomes slot type structure.
4. according to a kind of sealing fine turning gate valve described in claim 1,2 or 3, it is characterized in that: the arc-shaped structure of described left tuning plate (5) lower end is wedge-type structure wide at the top and narrow at the bottom, the arc-shaped structure of described right tuning plate (17) lower end is wedge-type structure wide at the top and narrow at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420374145.3U CN203926868U (en) | 2014-07-05 | 2014-07-05 | Sealing fine turning gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420374145.3U CN203926868U (en) | 2014-07-05 | 2014-07-05 | Sealing fine turning gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926868U true CN203926868U (en) | 2014-11-05 |
Family
ID=51822680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420374145.3U Withdrawn - After Issue CN203926868U (en) | 2014-07-05 | 2014-07-05 | Sealing fine turning gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926868U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061338A (en) * | 2014-07-05 | 2014-09-24 | 郑子林 | Fine-tuning sealing brake valve |
| CN106151560A (en) * | 2015-03-30 | 2016-11-23 | 天津市易泰柯自动控制设备有限公司 | A kind of wedge action valve |
| CN108131461A (en) * | 2017-08-09 | 2018-06-08 | 辽宁五星智能装备开发有限公司 | A kind of draining cuts oil without friction headstock gear |
-
2014
- 2014-07-05 CN CN201420374145.3U patent/CN203926868U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061338A (en) * | 2014-07-05 | 2014-09-24 | 郑子林 | Fine-tuning sealing brake valve |
| CN104061338B (en) * | 2014-07-05 | 2016-06-01 | 郑子林 | Sealing fine adjustment type gate valve |
| CN106151560A (en) * | 2015-03-30 | 2016-11-23 | 天津市易泰柯自动控制设备有限公司 | A kind of wedge action valve |
| CN106151560B (en) * | 2015-03-30 | 2018-08-21 | 浙江标盛阀门制造有限公司 | A kind of wedge action valve |
| CN108131461A (en) * | 2017-08-09 | 2018-06-08 | 辽宁五星智能装备开发有限公司 | A kind of draining cuts oil without friction headstock gear |
| CN108131461B (en) * | 2017-08-09 | 2023-06-27 | 辽宁五星智能装备开发有限公司 | Drainage oil interception friction-free opening and closing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |