CN203797007U - Gate valve with double parallel gate plates - Google Patents
Gate valve with double parallel gate plates Download PDFInfo
- Publication number
- CN203797007U CN203797007U CN201420166110.0U CN201420166110U CN203797007U CN 203797007 U CN203797007 U CN 203797007U CN 201420166110 U CN201420166110 U CN 201420166110U CN 203797007 U CN203797007 U CN 203797007U
- Authority
- CN
- China
- Prior art keywords
- valve
- wedge
- flashboard
- gate
- shaped blocks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000000630 rising effect Effects 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 abstract 2
- 238000007789 sealing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
The utility model relates to a gate valve with double parallel gate plates. By using the gate valve with the double parallel gate plates, the problems that gate plates of the existing gate valve with the double parallel gate plates are easily worn by wedge-shaped blocks when the existing gate valve with the double parallel gate plates is used, and when the gate valve is opened, the worn time of the gate plates and a valve seat is long, so that the airtightness is reduced are solved. The gate valve comprises a valve body, a valve stem, wedge-shaped blocks, an expansion block, the gate plates and a valve seat, wherein the wedge-shaped blocks are connected with the expansion block through elastic pieces; each wedge-shaped block is provided with a square hole; a boss which penetrates in the corresponding square hole is arranged on a side surface of each gate plate; a positioning foot which is projected outwards is arranged at the lower end of the expansion block; and a worn travel and a valve opening buffering travel are respectively arranged between the upper end surface of each square hole and the corresponding boss and the lower end surface of each square hole and the corresponding boss. When the valve is closed, because the worn travel exists in each gate plate and the corresponding wedge-shaped block, the valve stem pushes the wedge-shaped blocks to move downwards so as to realize on-line compensation through the worn travel; and when the valve is opened, because the buffering travel exists in each wedge-shaped block and the corresponding gate plate, a phenomenon that the gate plates rub with the valve seat for a long time, and the airtightness is reduced is effectively avoided, and the high airtightness is guaranteed.
Description
Technical field
The utility model relates to a kind of valve, refers in particular to a kind of parallel double-flashboard gate valve.
Background technique
Existing parallel double-flashboard gate valve, in use, when wedge-shaped blocks, the piece that rises in use strut flashboard by inclined-plane, therefore, thereby inclined-plane easy to wearly causes wedge-shaped blocks, the piece that rises can not rationally, effectively strut flashboard and valve seat is realized sealing, in addition when driving valve, valve rod directly drives flashboard to move down, and therefore, between flashboard and valve seat, wearing-in period is longer, serious wear, thereby the problem that causes sealing to reduce.
Summary of the invention
In order to overcome shortcoming and the deficiency of background technique, the utility model provides a kind of parallel double-flashboard gate valve, solve existing parallel double-flashboard gate valve, in use, flashboard and wedge-shaped blocks are easy to wear, and while driving valve, longer when wearing and tearing between flashboard and valve seat, the problem that causes sealing to reduce.
The technical solution of the utility model is: a kind of parallel double-flashboard gate valve, comprise valve body, valve rod, wedge-shaped blocks, piece rises, flashboard and valve seat, described valve seat is located in valve body, described valve rod is connected with wedge-shaped blocks, described flashboard coordinates with valve base sealing and is positioned at wedge-shaped blocks and the both sides of the piece that rises, described wedge-shaped blocks moves down with the piece top of rising and is press-fitted the flashboard that merga pass inclined-plane separately struts both sides, described wedge-shaped blocks is connected by elastic component between piece with rising, described wedge-shaped blocks is provided with square opening, the side of described flashboard is provided with the boss that penetrates square opening, the lower end of the described piece that rises is provided with outwardly angle, the lower end of described flashboard is supported on described angle, and between the upper-end surface of described square opening and boss, be provided with wearing and tearing stroke, between the lower end surface of described square opening and boss, exist and be provided with out valve cushion stroke.
Described wedge-shaped blocks is provided with the first groove, described in the piece that rises be provided with the second groove, described elastic component is spring, one end of described spring is connected in the first groove, the other end of described spring is connected in the second groove.
Described boss and flashboard one are formed by connecting and are positioned at the central lateral plane of flashboard.
Described elastic component is spring.
The utlity model has following beneficial effect: when valve is during in closed condition, due to flashboard and wedge-shaped blocks existence wearing and tearing stroke, by this wearing and tearing stroke, by valve rod, promote wedge-shaped blocks and move down to realize online compensation, while driving valve, owing to having cushion stroke between wedge-shaped blocks and flashboard, thereby effectively avoided the long-time friction of flashboard and valve seat and caused sealing to reduce, guaranteed good sealability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation at A place in the utility model Fig. 1.
In figure, valve body 1, valve rod 2, wedge-shaped blocks 3, the piece 4 that rises, flashboard 5, valve seat 6, inclined-plane 7, elastic component 8, square opening 9, boss 10, angle 11, wearing and tearing stroke 12, cushion stroke 13, the first groove 14, the second grooves 15.
Embodiment
For accompanying drawing, embodiment of the present utility model is described further below:
As shown in the figure, a kind of parallel double-flashboard gate valve, comprise valve body 1, valve rod 2, wedge-shaped blocks 3, piece 4 rises, flashboard 5 and valve seat 6, described valve seat 6 is located in valve body 1, described valve rod 2 is connected with wedge-shaped blocks 3, described flashboard 5 is sealed and matched with valve seat 6 and is positioned at the both sides of wedge-shaped blocks 3 and the piece 4 that rises, described wedge-shaped blocks 3 moves down with piece 4 tops of rising and is press-fitted the flashboard 5 that merga pass inclined-plane 7 separately struts both sides, described wedge-shaped blocks 3 is connected by elastic component 8 between piece 4 with rising, described elastic component 8 is spring, described wedge-shaped blocks 3 is provided with square opening 9, the side of described flashboard 5 is provided with the boss 10 that penetrates square opening 9, described boss 10 is formed by connecting with flashboard 5 one and is positioned at the central lateral plane of flashboard 5, described lower end of rising by piece 4 is provided with outwardly angle 11, the lower end of described flashboard 5 is supported on described angle 11, and between the upper-end surface of described square opening 9 and boss 10, be provided with wearing and tearing stroke 12, between the lower end surface of described square opening 9 and boss 10, exist and be provided with out valve cushion stroke 13.While closing valve, by valve rod 2, drive wedge-shaped blocks 3, rise piece 4 and flashboard 5 synchronously moves downward, when piece 4 bottoms of rising touch the positioning block of valve body 1 bottom, the piece 4 that rises stops declining, wedge-shaped blocks 3 drives the flashboard 5 of both sides to continue to decline, when flashboard 5 bottom positions touch the angle 11 of the piece 4 that rises, flashboard 5 stops declining, and wedge-shaped blocks 3 continues to decline, the lower end surface of the central boss of flashboard 5 and the square opening 9 of wedge-shaped blocks 3 is departed from, wedge-shaped blocks 3 continues to decline, until wedge-shaped blocks 3, till the piece 4 that rises struts left and right flashboard 5, and elastic component 8 is in confined state, in this process, between the bottom surface of the lower end surface of square opening 9 and flashboard 5, produced for opening the cushion stroke 13 of valve, and until during valve closing, between the upper-end surface of the boss 10 of flashboard 5 and square opening 9, produce the wearing and tearing stroke 12 of certain distance, this wearing and tearing stroke 12 is for guaranteeing wedge-shaped blocks 3, the rear flashboard 5 of inclined-plane wearing and tearing of piece 4 and the sealing between valve seat 6 rise, prevent due to wedge-shaped blocks 3, the inclined-plane wearing and tearing of rising between piece 4, cause wedge-shaped blocks 3 not press to carry out the good sealing property that effectively compensation reaches flashboard by sloped roof.Therefore, can by this wearing and tearing stroke 12, by valve rod 2, promote wedge-shaped blocks 3 at any time and move down to realize online compensation, thereby guarantee the formedness of sealing.
While driving valve, operated by handwheel band ovable valve stem 2 and wedge-shaped blocks 3 rise, cushion stroke 13 between the lower end surface of square opening 9 and flashboard 5 can guarantee wedge-shaped blocks 3 in uphill process in motionless state, and in uphill process, under the effect of spring, the piece 4 that rises departs from wedge-shaped blocks 3, cushion stroke 13 slowly diminishes, inclined-plane by wedge-shaped blocks 3 and the piece 4 that rises and flashboard 5 directly coordinate and make flashboard 5 synchronize gathering with the piece 4 that rises, flashboard 5 departs from the sealing of valve seat 6, thereby effectively avoided flashboard 5 to cause sealing to reduce with the long-time friction of valve seat 6, guarantee good sealability.
As shown in the figure, described wedge-shaped blocks 3 is provided with the first groove 14, described in the piece 4 that rises be provided with the second groove 15, described elastic component 8 is spring, one end of described spring is connected in the first groove 14, the other end of described spring is connected in the second groove 15.By spring fitting in groove, by wedge-shaped blocks, rise piece and spring, control cushion stroke and wearing and tearing stroke, degree of accuracy is high, good stability is conducive to valve and has good sealing.
Embodiment should not be considered as the restriction to model utility, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (4)
1. a parallel double-flashboard gate valve, comprise valve body (1), valve rod (2), wedge-shaped blocks (3), piece (4) rises, flashboard (5) and valve seat (6), described valve seat (6) is located in valve body (1), described valve rod (2) and wedge-shaped blocks 3) be connected, it is characterized in that: described flashboard (5) is sealed and matched with valve seat (6) and is positioned at wedge-shaped blocks (3) and the both sides of piece (4) of rising, described wedge-shaped blocks (3) moves down with the piece that rises (4) top and is press-fitted the flashboard (5) that merga pass inclined-plane (7) separately struts both sides, between described wedge-shaped blocks (3) and the piece that rises (4), by elastic component (8), be connected, described wedge-shaped blocks (3) is provided with square opening (9), the side of described flashboard (5) is provided with the boss (10) that penetrates square opening (9), the lower end of the described piece that rises (4) is provided with outwardly angle (11), the lower end of described flashboard (5) is supported on described angle (11), and between the upper-end surface of described square opening (9) and boss (10), be provided with wearing and tearing stroke (12), between the lower end surface of described square opening (9) and boss (10), exist and be provided with out valve cushion stroke (13).
2. parallel double-flashboard gate valve according to claim 1, it is characterized in that: described wedge-shaped blocks (3) is provided with the first groove (14), the described piece that rises (4) is provided with the second groove (15), described elastic component (8) is spring, one end of described spring is connected in the first groove (14), and the other end of described spring is connected in the second groove (15).
3. parallel double-flashboard gate valve according to claim 1 and 2, is characterized in that: described boss (10) is formed by connecting with flashboard (5) one and is positioned at the central lateral plane of flashboard (5).
4. parallel double-flashboard gate valve according to claim 1 and 2, is characterized in that: described elastic component (8) is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166110.0U CN203797007U (en) | 2014-04-08 | 2014-04-08 | Gate valve with double parallel gate plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166110.0U CN203797007U (en) | 2014-04-08 | 2014-04-08 | Gate valve with double parallel gate plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203797007U true CN203797007U (en) | 2014-08-27 |
Family
ID=51379219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420166110.0U Expired - Lifetime CN203797007U (en) | 2014-04-08 | 2014-04-08 | Gate valve with double parallel gate plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203797007U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832672A (en) * | 2015-05-12 | 2015-08-12 | 开封高中压阀门有限公司 | Gate valve with parallel double-disc structure |
| CN106704618A (en) * | 2016-12-26 | 2017-05-24 | 凯喜姆阀门有限公司 | High-performance gate valve |
| CN107542941A (en) * | 2017-09-13 | 2018-01-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of valve seat back springing type gate valve |
| CN107743559A (en) * | 2015-04-24 | 2018-02-27 | 芙罗服务管理公司 | Parallel sliding gate valve and related methods |
| CN108591503A (en) * | 2018-05-22 | 2018-09-28 | 南通市力沛流体阀业有限公司 | A kind of Novel Brake Valve |
-
2014
- 2014-04-08 CN CN201420166110.0U patent/CN203797007U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107743559A (en) * | 2015-04-24 | 2018-02-27 | 芙罗服务管理公司 | Parallel sliding gate valve and related methods |
| CN107743559B (en) * | 2015-04-24 | 2021-01-22 | 芙罗服务管理公司 | Parallel sliding gate valve and related method |
| CN104832672A (en) * | 2015-05-12 | 2015-08-12 | 开封高中压阀门有限公司 | Gate valve with parallel double-disc structure |
| CN106704618A (en) * | 2016-12-26 | 2017-05-24 | 凯喜姆阀门有限公司 | High-performance gate valve |
| CN106704618B (en) * | 2016-12-26 | 2023-02-14 | 凯喜姆阀门有限公司 | High-performance gate valve |
| CN107542941A (en) * | 2017-09-13 | 2018-01-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of valve seat back springing type gate valve |
| CN108591503A (en) * | 2018-05-22 | 2018-09-28 | 南通市力沛流体阀业有限公司 | A kind of Novel Brake Valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |