CN204437333U - A kind of gate valve of tape guide spool - Google Patents
A kind of gate valve of tape guide spool Download PDFInfo
- Publication number
- CN204437333U CN204437333U CN201520020735.0U CN201520020735U CN204437333U CN 204437333 U CN204437333 U CN 204437333U CN 201520020735 U CN201520020735 U CN 201520020735U CN 204437333 U CN204437333 U CN 204437333U
- Authority
- CN
- China
- Prior art keywords
- spool
- slide rail
- raised line
- valve
- ball
- 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 - Fee Related
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Abstract
The utility model discloses a kind of gate valve of tape guide spool, comprise spool and valve seat, described spool with on the both sides of fluid contact is not provided with slide rail, is provided with the slide mechanism for convenient guiding, described valve seat is provided with the raised line matched with slide mechanism in described slide rail.Be provided with slide mechanism in slide rail, when spool is through valve seat, the raised line on valve seat can enter in the slide rail in spool, and spool can move along the track of raised line, and the cooperation of raised line and slide rail serves the effect of a guide spool motion.When preventing because of valve rod generation bias, spool can cannot enter in runner and play choked flow effect.Meanwhile, when valve rod spool slight eccentricity, a correcting can also be played to valve rod.Be arranged on slide mechanism simultaneously, make after raised line docks with slide rail, reduce the frictional force between slide rail and raised line, its friction is reduced, extends the working life of spool.
Description
Technical field
The utility model relates to a kind of valve, and more particularly, it relates to a kind of gate valve of tape guide spool.
Background technique
Gate valve is an open-shut device flashboard, and moving direction and the flow direction of flashboard are perpendicular.
At present, application number on market is that the Chinese patent of CN201410244016.7 discloses a kind of on-line maintenance gate valve, it comprises and mainly comprises valve body, flashboard, outer valve rod, inner valve stem, valve gap, filler, filler pressing sleeve, connecting sleeve, lock screw, flashboard is installed on body cavity, body cavity is provided with many vertical guiding grooves, flashboard is fixedly connected with by connecting sleeve with inner valve stem, connecting sleeve substantially horizontal two ends are fixed with guiding shin, rotate for preventing connecting sleeve substantially horizontal, can prevent connecting sleeve from moving up and down by lock screw, outer valve rod is tubular structure, outer valve rod is installed on inner valve stem outside, outer valve rod can be controlled by rotation inner valve stem to move up and down, when component such as needs repair and replacement fillers, closing gate valve, and make outer valve rod moves, the circular arc of outer valve rod lower end and upper end adjacent is made to compress the upper sealing gasket being installed on valve gap inner chamber highest point, the repair and replacement of the parts such as filler can be carried out, solve existing gate valve when repair and replacement filler, whole system is needed to close, then gate valve is disassembled the defect of ability repair and replacement.
This gate valve, spool is connected with valve rod, and spool is in the cavity place be positioned at above runner when activated.Because valve rod has certain length, bias can be caused after a long time use to manifest, both valve rod can bend, lead and make spool and valve seat that unnecessary friction can occur, cause the wearing and tearing of spool and valve seat, when bias to a certain extent after, spool can be caused to be blocked by valve seat in making process, cannot enter in runner, cause and cannot close a floodgate.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide one can reduce friction and have leading role, reduces the eccentric gate valve manifested.
For achieving the above object, the utility model provides following technological scheme:
A gate valve for tape guide spool, comprises spool and valve seat, and described spool with on the both sides of fluid contact is not provided with slide rail, is provided with the slide mechanism for convenient guiding, described valve seat is provided with the raised line matched with slide mechanism in described slide rail.
By adopting technique scheme, in gate valve, valve rod is fixedly connected with spool, is subjected to displacement by valve rod, and band movable valve plug moves towards valve seat, and along with spool constantly movement, spool, through valve seat, enters in runner, will flow to and block.In the utility model, spool with on two faces of fluid contact in runner is not provided with slide rail, and in slide rail, be provided with slide mechanism, when spool is through valve seat, raised line on valve seat can enter in the slide rail in spool, spool can move along the track of raised line, and the cooperation of raised line and slide rail serves the effect of a guide spool motion.When preventing because of valve rod generation bias, spool can cannot enter in runner and play choked flow effect.Meanwhile, when valve rod spool slight eccentricity, a correcting can also be played to valve rod.Be arranged on slide mechanism simultaneously, make after raised line docks with slide rail, reduce the frictional force between slide rail and raised line, its friction is reduced, extends the working life of spool.
The utility model is set to further: described slide rail is provided with some rotating shafts, and described rotating shaft is hinged with roller, and described raised line is connected with roller slippage.
By adopting technique scheme, as the first embodiment of the present utility model, slide rail is provided with some rotatingshafts, rotatingshaft is hinged with roller, roller can be rotated around rotating shaft, after raised line enters into slide rail, directly with the roller contact be arranged in slide rail, constantly moving along with spool, roller is also continuous to be rotated around rotatingshaft, roller plays a gearing, and its frictional force directly contacts much smaller than slide rail with raised line.
The utility model is set to further: described slide rail is provided with some ball racks, and some described ball racks are one-body molded, are all provided with ball in described ball rack, and described raised line is connected with the ball slippage of exposing outside ball rack.
By adopting technique scheme, as the second embodiment of the present utility model, have ball rack at slide rail internal fixtion, ball rack internal fixtion has ball, form the structure of a similar bearing, the ball being can freely rotate in ball rack, after raised line enters into slide rail, directly with the ball contact be arranged on slide rail, constantly moving along with spool, ball also can along with rotation, and ball plays a gearing, and its frictional force directly contacts much smaller than slide rail with raised line.
The utility model is set to further: the both sides of described spool and fluid contact are provided with concave surface, described concave surface, and described concave surface is hemisphere curved surface.
By adopting technique scheme, in the process that spool dams, the concave surface of hemisphere curved surface can play the effect of a buffer fluid, if do not arrange hemisphere curved surface, the impact of fluid to spool can be made when damming excessive, easily damage being caused to valve body, reduce the working life of valve.When damming in process, fluid can impact spool, and the setting of hemisphere curved surface on spool, add the volume of its buffering, a part of fluid can be made to enter in the space of hemisphere Surface forming, because hemisphere curved surface is circular, its cushioning effect is better, a part of fluid can be made to move to the direction that fluid motion is contrary along hemisphere curved surface, neutralized the impact of a part of fluid, make to which reduce the percussion to valve body, extend the working life of spool.
Accompanying drawing explanation
Fig. 1 is the overall sectional view of the gate valve embodiment of a kind of tape guide of the utility model spool;
Fig. 2 is the first example structure figure of the gate valve embodiment of a kind of tape guide spool of the utility model;
Fig. 3 is first embodiment's sectional view of the gate valve embodiment of a kind of tape guide spool of the utility model;
Fig. 4 is the second example structure figure of the gate valve embodiment of a kind of tape guide spool of the utility model;
Fig. 5 is second embodiment's sectional view of the gate valve embodiment of a kind of tape guide spool of the utility model;
Reference character: 1, spool; 2, valve seat; 3, slide rail; 4, slide mechanism; 5, raised line; 6, runner; 7, rotating shaft; 8, roller; 9, ball rack; 10, ball; 11, concave surface.
Embodiment
Referring to figs. 1 through Fig. 5, the gate valve embodiment of a kind of tape guide spool of the utility model is described further.
A kind of gate valve of tape guide spool 1, comprise spool 1 and valve seat 2, described spool 1 with on the both sides of fluid contact is not provided with slide rail 3, is provided with the slide mechanism 4 for convenient guiding, described valve seat 2 is provided with the raised line 5 matched with slide mechanism 4 in described slide rail 3.
In gate valve, valve rod is fixedly connected with spool 1, is subjected to displacement by valve rod, and band movable valve plug 1 moves towards valve seat 2, and along with spool 1 constantly movement, spool 1, through valve seat 2, enters in runner 6, will flow to and block.In the utility model, spool 1 with on two faces of fluid contact in runner 6 is not provided with slide rail 3, and in slide rail 3, be provided with slide mechanism 4, when spool 1 is through valve seat 2, raised line 5 on valve seat 2 can enter in the slide rail 3 in spool 1, spool 1 can move along the track of raised line 5, and the cooperation of raised line 5 and slide rail 3 serves the effect of guide spool 1 motion.When preventing because of valve rod generation bias, spool 1 can cannot enter in runner 6 and play choked flow effect.Meanwhile, when valve rod spool 1 slight eccentricity, a correcting can also be played to valve rod.Be arranged on slide mechanism 4 simultaneously, make after raised line 5 docks with slide rail 3, reduce the frictional force between slide rail 3 and raised line 5, its friction is reduced, extends the working life of spool 1.
With reference to Fig. 2 and Fig. 3, as the first embodiment of the present utility model, described slide rail 3 is provided with some rotating shafts 7, described rotating shaft 7 is hinged with roller 8, and described raised line 5 is connected with roller 8 slippage.
Slide rail 3 is provided with some rotatingshafts, rotatingshaft is hinged with roller 8, roller 8 can be rotated around rotating shaft 7, after raised line 5 enters into slide rail 3, directly contact with the roller 8 be arranged in slide rail 3, constantly moving along with spool 1, roller 8 is also continuous to be rotated around rotatingshaft, roller 8 plays a gearing, and its frictional force directly contacts much smaller than slide rail 3 with raised line 5.
With reference to Fig. 4 and Fig. 5, as the second embodiment of the present utility model, described slide rail 3 is provided with some ball racks 9, some described ball racks 9 are one-body molded, are all provided with ball 10 in described ball rack 9, and described raised line 5 is connected with ball 10 slippage.
Ball rack 9 is had at slide rail 3 internal fixtion, ball rack 9 internal fixtion has ball 10, form the structure of a similar bearing, the ball 10 being can freely rotate in ball rack 9, after raised line 5 enters into slide rail 3, directly contacts with the ball 10 be arranged on slide rail 3, constantly moving along with spool 1, ball 10 also can along with rotation, and ball 10 plays a gearing, and its frictional force directly contacts much smaller than slide rail 3 with raised line 5.
Described spool 1 and the both sides of fluid contact are provided with concave surface 11, described concave surface 11, and described concave surface 11 is hemisphere curved surface.
In the process that spool 1 dams, the concave surface 11 of hemisphere curved surface can play the effect of a buffer fluid, if do not arrange hemisphere curved surface, the impact of fluid to spool 1 can be made excessive, easily causing damage to valve body when damming, and reduces the working life of valve.When damming in process, fluid can impact spool 1, and the setting of hemisphere curved surface on spool 1, add the volume of its buffering, a part of fluid can be made to enter in the space of hemisphere Surface forming, because hemisphere curved surface is circular, its cushioning effect is better, a part of fluid can be made to move to the direction that fluid motion is contrary along hemisphere curved surface, neutralized the impact of a part of fluid, make to which reduce the percussion to valve body, extend the working life of spool 1.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. the gate valve of a tape guide spool, comprise spool and valve seat, it is characterized in that: described spool with on the both sides of fluid contact is not provided with slide rail, be provided with the slide mechanism for convenient guiding in described slide rail, described valve seat be provided with the raised line matched with slide mechanism.
2. the gate valve of a kind of tape guide spool according to claim 1, it is characterized in that: described slide rail is provided with some rotating shafts, described rotating shaft is hinged with roller, and described raised line is connected with roller slippage.
3. the gate valve of a kind of tape guide spool according to claim 1, it is characterized in that: described slide rail is provided with some ball racks, some described ball racks are one-body molded, are all provided with ball in described ball rack, and described raised line is connected with the ball slippage of exposing outside ball rack.
4. the gate valve of a kind of tape guide spool according to claim 1, is characterized in that: the both sides of described spool and fluid contact are provided with concave surface.
5. the gate valve of a kind of tape guide spool according to claim 4, is characterized in that: described concave surface, and described concave surface is hemisphere curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520020735.0U CN204437333U (en) | 2015-01-13 | 2015-01-13 | A kind of gate valve of tape guide spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520020735.0U CN204437333U (en) | 2015-01-13 | 2015-01-13 | A kind of gate valve of tape guide spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437333U true CN204437333U (en) | 2015-07-01 |
Family
ID=53605202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520020735.0U Expired - Fee Related CN204437333U (en) | 2015-01-13 | 2015-01-13 | A kind of gate valve of tape guide spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437333U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246946A (en) * | 2016-08-27 | 2016-12-21 | 四川亿欣新材料有限公司 | A kind of detachable inserting plate device without powder leakage |
| CN109268575A (en) * | 2017-07-18 | 2019-01-25 | 无锡市德美嘉机械科技有限公司 | Interchangeable spool Guiding wheel structure |
| CN109268576A (en) * | 2017-07-18 | 2019-01-25 | 无锡市德美嘉机械科技有限公司 | Interchangeable variable spool guide rail structure |
-
2015
- 2015-01-13 CN CN201520020735.0U patent/CN204437333U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246946A (en) * | 2016-08-27 | 2016-12-21 | 四川亿欣新材料有限公司 | A kind of detachable inserting plate device without powder leakage |
| CN109268575A (en) * | 2017-07-18 | 2019-01-25 | 无锡市德美嘉机械科技有限公司 | Interchangeable spool Guiding wheel structure |
| CN109268576A (en) * | 2017-07-18 | 2019-01-25 | 无锡市德美嘉机械科技有限公司 | Interchangeable variable spool guide rail structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |