CN204004491U - A kind of back seal dark rod flat plate gate valve of online replacing filler - Google Patents
A kind of back seal dark rod flat plate gate valve of online replacing filler Download PDFInfo
- Publication number
- CN204004491U CN204004491U CN201420473616.6U CN201420473616U CN204004491U CN 204004491 U CN204004491 U CN 204004491U CN 201420473616 U CN201420473616 U CN 201420473616U CN 204004491 U CN204004491 U CN 204004491U
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- China
- Prior art keywords
- valve
- flashboard
- rod
- fluid passage
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- Expired - Fee Related
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Abstract
The utility model provides a kind of back seal dark rod flat plate gate valve of online replacing filler, comprise valve body, flashboard, valve seat, valve rod, Stem Mut, valve gap, drive link, support, handwheel and valve rod sealing member, valve rod sealing member is comprised of filler and filler compressing tablet, in valve body, be provided with valve pocket and entering along the horizontal formation of valve body, outlet fluid passage, valve pocket is run through in fluid passage, the top of valve pocket and bottom are circular port, valve pocket middle part is square opening, the longitudinal section of whole valve pocket is " work " font, the upper end of flashboard is connected with Stem Mut by T-shaped groove, the upper end of valve rod is connected with drive link through valve gap, the lower end of valve rod is connected with flashboard through Stem Mut, O RunddichtringO is set one in the groove of valve rod stage casing tapering face.The error that has sealing good stability, can correct processing and assembling, automatic deflection adjusting, realizes valve safety strip and is pressed in the feature that line is changed stuffing box packing.
Description
Technical field
The utility model belongs to petroleum machinery field, is specifically related to a kind of back seal dark rod flat plate gate valve of online replacing filler.
Background technique
When recovery of subterranean oil and natural gas, plate valve is as main parts, and the filler of plate valve mostly is rubber material, along with the damage in the aging and using process of rubber, gate valve generation is let out plain, and then surrounding environment is produced and polluted, traditional mode conventionally has kill-job and changes two kinds of processing modes of valve, not only cost is high for kill-job leak stopping mode, also can exert an influence to stratum, and well head second mining difficulty is large; Changing valve needs to use special tool, and risk factor is high, has potential safety hazard.
Model utility content
Technical problem to be solved in the utility model is to overcome defect of the prior art, and the back seal dark rod flat plate gate valve of a kind of good airproof performance, online replacing filler that urgent practicability is high is provided.
For solving the problems of the technologies described above, the utility model provides a kind of back seal dark rod flat plate gate valve of online replacing filler, comprises valve body, flashboard, valve seat, valve rod, Stem Mut, valve gap, drive link, support, handwheel and valve rod sealing member, valve rod sealing member is comprised of filler and filler compressing tablet, is provided with valve pocket and entering along the horizontal formation of valve body in valve body, outlet fluid passage, valve pocket is run through in fluid passage, the top of valve pocket and bottom are circular port, valve pocket middle part is square opening, the longitudinal section of whole valve pocket is " work " font, valve seat is two, valve seat is ring-type, valve seat be arranged at into, the connecting end place of outlet fluid passage and valve pocket, and respectively with enter, outlet fluid passage formation is sealed and matched, flashboard is placed between two valve seats, the upper end of flashboard is connected with Stem Mut by T-shaped groove, when flashboard is during in closed state, flashboard and valve seat formation are sealed and matched, the upper end of valve rod is connected with drive link through valve gap, and the lower end of valve rod is connected with flashboard through Stem Mut, and O RunddichtringO is set one in the groove of valve rod stage casing tapering face.
As further improvement of the utility model, between valve seat and inlet/outlet fluid passage, by wavy spring and O RunddichtringO, to realize and being sealed and matched, O RunddichtringO is placed on the external diameter of valve seat, and wavy spring is placed in the end of valve seat.
As further improvement of the utility model, flashboard is connected by trapezoidal thread with valve rod.
As further improvement of the utility model, the top of valve rod is connected with the bottom of drive link by connecting pin.
The beneficial effect that the utility model reaches is: flashboard adopts T-shaped groove with being connected of valve rod, has the feature of sealing good stability, can correct the error of processing and assembling, automatic deflection adjusting; O RunddichtringO is set in the groove of valve rod stage casing tapering face simultaneously, forms back seal structure with together with the inwall of valve rod stage casing tapering face and valve gap, increase the sealing effect of gate valve, be conducive to realize valve safety strip and be pressed in line and change stuffing box packing.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the utility model back seal mechanism partial schematic diagram.
Fig. 3 is valve gap back seal structural representation.
Fig. 4 is stem structure schematic diagram.
Fig. 5 is valve body structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As shown in the figure, the utility model provides a kind of back seal dark rod flat plate gate valve of online replacing filler, comprise valve body 1, flashboard 2, valve seat 3, valve rod 6, Stem Mut 5, valve gap 7, drive link 10, support 8, handwheel 11 and valve rod sealing member 13, in valve body 1, be provided with the valve pocket of Vertical direction and entering of laterally forming along valve body 1, outlet fluid passage, valve pocket is run through in fluid passage, the top of valve pocket and bottom are circular port, valve pocket middle part is square opening, the longitudinal section of whole valve pocket is " work " font, two round ring seats 3 be arranged at into, the connecting end place of outlet fluid passage and valve pocket, and respectively with enter, outlet fluid passage formation is sealed and matched, on the end of valve seat 3 and external diameter, wavy spring 4 and O RunddichtringO are set respectively, rely on the elastic force of wavy spring to realize valve seat 3 and enter, sealing effect between outlet fluid passage, the upper end of flashboard 2 is connected with Stem Mut 5 by T-shaped groove, can correct the error of processing and assembling, automatic deflection adjusting, the upper end of valve rod 6 is connected with drive link 10 through valve gap 7, lower end is connected with flashboard 2 through Stem Mut 5, O RunddichtringO 12 is set one in the groove of valve rod 6 stage casing tapering faces, between valve rod 6 and flashboard 2, by trapezoidal thread, be connected, handwheel 11, drive link 10 and valve rod 6 form power transmitting assembly, between handwheel 11 and drive link 10, by connecting pin 9, be connected location, when rotation hand wheel 11, handwheel 11 drives drive link 10, and then promote opening and closing of flashboard 2, when flashboard 2 is during in closed state, flashboard 2 forms and is sealed and matched with valve seat 3, when flashboard 2 is opened, O RunddichtringO, together with the inwall of valve rod 6 stage casing tapering faces and valve gap 7, form back seal structure, pressure in cavity cannot leak, can change online filler.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and distortion, these improvement and distortion also should be considered as protection domain of the present utility model.
Claims (4)
1. an online back seal dark rod flat plate gate valve of changing filler, comprise valve body (1), flashboard (2), valve seat (3), valve rod (6), Stem Mut (5), valve gap (7), drive link (10), support (8), handwheel (11) and valve rod sealing member (13), it is characterized in that: in described valve body (1), be provided with valve pocket and entering along the horizontal formation of valve body (1), outlet fluid passage, valve pocket is run through in fluid passage, the top of described valve pocket and bottom are circular port, valve pocket middle part is square opening, the longitudinal section of whole valve pocket is " work " font, described valve seat (3) is two, valve seat (3) is ring-type, described valve seat (3) be arranged at into, the connecting end place of outlet fluid passage and valve pocket, and respectively with enter, outlet fluid passage formation is sealed and matched, described flashboard (2) is placed between two valve seats (3), the upper end of flashboard (2) is connected with Stem Mut (5) by T-shaped groove, when flashboard (2) is during in closed state, flashboard (2) forms and is sealed and matched with valve seat (3), the upper end of described valve rod (6) is connected with drive link (10) through valve gap (7), the lower end of valve rod (6) is connected with flashboard (2) through Stem Mut (5), in the groove of described valve rod (6) stage casing tapering face, one O RunddichtringO (12) is set, described valve rod sealing member (13) is comprised of filler and filler compressing tablet.
2. the back seal dark rod flat plate gate valve of a kind of online replacing filler according to claim 1, it is characterized in that: between described valve seat (3) and inlet/outlet fluid passage, by wavy spring (4) and O RunddichtringO, realize and being sealed and matched, described O RunddichtringO is placed on the external diameter of valve seat (3), and described wavy spring (4) is placed in the end of valve seat (3).
3. the back seal dark rod flat plate gate valve of a kind of online replacing filler according to claim 1, is characterized in that: described flashboard (2) is connected by trapezoidal thread with valve rod (6).
4. the back seal dark rod flat plate gate valve of a kind of online replacing filler according to claim 1, is characterized in that: the top of described valve rod (6) is connected with the bottom of drive link (10) by connecting pin (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473616.6U CN204004491U (en) | 2014-08-21 | 2014-08-21 | A kind of back seal dark rod flat plate gate valve of online replacing filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473616.6U CN204004491U (en) | 2014-08-21 | 2014-08-21 | A kind of back seal dark rod flat plate gate valve of online replacing filler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004491U true CN204004491U (en) | 2014-12-10 |
Family
ID=52044494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420473616.6U Expired - Fee Related CN204004491U (en) | 2014-08-21 | 2014-08-21 | A kind of back seal dark rod flat plate gate valve of online replacing filler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386559A (en) * | 2018-02-24 | 2018-08-10 | 江苏盐电阀门有限公司 | Wellhead assembly single disc band deflector hole flat gate valve |
| CN110118264A (en) * | 2019-05-14 | 2019-08-13 | 苏州博雷特流体控制有限公司 | A method of the high-performance expansion sluice valve with back seal function and replacement filler |
-
2014
- 2014-08-21 CN CN201420473616.6U patent/CN204004491U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386559A (en) * | 2018-02-24 | 2018-08-10 | 江苏盐电阀门有限公司 | Wellhead assembly single disc band deflector hole flat gate valve |
| CN110118264A (en) * | 2019-05-14 | 2019-08-13 | 苏州博雷特流体控制有限公司 | A method of the high-performance expansion sluice valve with back seal function and replacement filler |
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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: 20141210 Termination date: 20150821 |
|
| EXPY | Termination of patent right or utility model |