CN204900902U - Dark pole baiting valve of soft seal - Google Patents
Dark pole baiting valve of soft seal Download PDFInfo
- Publication number
- CN204900902U CN204900902U CN201520498380.6U CN201520498380U CN204900902U CN 204900902 U CN204900902 U CN 204900902U CN 201520498380 U CN201520498380 U CN 201520498380U CN 204900902 U CN204900902 U CN 204900902U
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- CN
- China
- Prior art keywords
- valve
- flap
- valve rod
- valve body
- nut
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- 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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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a dark pole baiting valve of soft seal, including valve body, valve clack, valve rod, be equipped with feed inlet, discharge gate on the valve body, the valve clack is located in the valve body, the valve clack is the valve clack of plunger form, the valve clack with the sealed cooperation of inner chamber of valve body, be equipped with well cavity in the valve clack, the medial extremity of valve clack is equipped with a nut, the medial extremity of valve rod passes the nut stretches into the cavity intracavity, the valve rod with nut and threaded connection, the outside end of valve rod is fixed on a support through a bearing is rotatable. This baiting valve is fit for using in the less occasion of operating space more, and it is the cavity intracavity that stretches into the valve clack to have this kind of valve rod again, thus the valve rod can with medium contact through the baiting valve, can avoid the valve rod to be corroded, can effectively prolong the life of valve rod.
Description
Technical field
The utility model relates to a kind of discharging valve, particularly the dark bar discharging valve of a kind of soft seal.
Background technique
Discharging valve is mainly used in reactor, bottom discharging, blowing, the sampling of storage tank and other container and turn off operation without dead band, and it is welded in the bottom of storage tank and other container by means of valve flange in the bottom.Discharging valve, according to the needs of actual conditions, is put bottom structure and is designed to platybasic type, and valve body is Y type, and provides the two kinds of working method flaps that promote and decline.Discharging valve is mainly divided into top extending type and bottom open type two kinds of structures, is widely used on all kinds of pipeline.Upward-expanding emptying valve is that flap moves upward valve open, and when opening, valve need overcome medium active force, large compared with closing moment when opening.Bottom open type, plunger type emptying valve are that flap (plunger) moves downward valve open, and when opening, moving direction is identical with medium active force, little compared with closing moment when thus opening.
Existing, Chinese utility model patent (the patent No.: 201020010117.5) disclose a kind of angle type emptying valve, comprise valve body, valve seat, flap, valve rod and support, valve body two ends are with feed inlet and outlet, valve seat is fixed on valve body lower portion, be supported on and be provided with support above valve body and valve rod is set in valve pocket, valve rod passes and is connected to flap center and can move up and down, flap head is housed below flap, described what install below flap is the taper valve head that can stretch out outside valve body, and the sealing surface that flap is become with flap capitiform is in outside valve body.This discharging valve structure is comparatively complicated, valve rod needs the flap of band to move up and down, therefore valve rod is easy to and the medium contact in valve body, so long-time use, valve rod will be etched, therefore the working life of discharging valve is shorter, then there have the valve rod of this discharging valve to move up and down distance to be comparatively large, is difficult to be suitable for for the occasion that operating space is less.
Model utility content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide one that valve rod can be avoided by erosion medium resistance, long service life, and can in operating space compared with the discharging valve used under microhabitat.
For achieving the above object and other relevant objects, the utility model provides a kind of soft seal dark bar discharging valve, comprise valve body, flap, valve rod, described valve body is provided with material feeding mouth, discharge port, described flap is positioned at described valve body, described flap is the flap of piston-shaped, described flap coordinates with the bore seal of described valve body, hollow cavity is provided with in described flap, the medial extremity of described flap is provided with a nut, the medial extremity of described valve rod extend in described hollow cavity through described nut, described valve rod is connected with described nut thread, the outboard end of described valve rod is fixed on a support by a rolling bearing is rotatable.
Preferably, the outboard end of described valve rod is also provided with handwheel.
Preferably, described valve body and described flap support are provided with seal ring, and described flap coordinates with described body cavity soft seal.
Preferably, described support comprises two root posts and a crossbeam, and described crossbeam is provided with a groove, is provided with a rolling bearing in described groove, and described rolling bearing is set on described valve rod, and described rolling bearing is fixed in described groove by gland.
As mentioned above, soft seal of the present utility model dark bar discharging valve has following beneficial effect: the flap of this discharging valve is arranged to piston-shaped and inner hollow, valve rod is threaded with flap by nut, valve rod rotates and flap can be driven to move up and down, and the position of valve rod own is different, therefore its valve rod of discharging valve of this structure only can rotate and can not be elevated, therefore be more adapted at the less occasion in operating space to use, this valve rod is had to be extend in the hollow cavity of flap again, therefore valve rod can not with the medium contact through discharging valve, valve rod can be avoided to be corroded, effectively can extend the working life of valve rod.
Accompanying drawing explanation
Fig. 1 is the form structure schematic diagram of the utility model embodiment.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Element numbers explanation
1, valve body 2, valve rod 3, handwheel 4, seal ring 5, flap 6, seal ring 7, nut 8, hollow cavity 9, column 10, crossbeam 11, groove 12, divided ring 13, gland 14, rolling bearing
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1,2.Notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As Fig. 1, shown in 2, the utility model provides a kind of soft seal dark bar discharging valve, it comprises valve body 1, valve body 1 is provided with material feeding mouth and discharge port, a flap 5 is provided with in valve body 1, flap 5 one-tenth piston-shaped, flap 5 coordinates with the bore seal of valve body 1, seal ring 4 is provided with between flap 5 and valve body 1, 6 as filler, between flap 5 and seal ring, appropriate interference fit is all adopted between seal ring and valve body 1, by regulating the impacting force of bolt on seal ring gland, seal ring can be made to be compressed, the inner ring of seal ring is made tightly " to embrace " flap 5 fit on surface, and the interior matching surface of valve body 1 is close in the outer ring of seal ring, the radial component that seal ring produces is greater than hydrodynamic pressure, so just can ensure the sealing between valve body and flap.Flap 5 can be made to coordinate with the inner chamber soft seal of valve body 1 by seal ring 4,6, soft seal coordinates the side of its sealing pair to be metallic material, opposite side is resilient nonmetallic material, this soft seal seat be sealed and matched adopts the nonmetallic material with some strength, hardness and heat resistance to make, good seal performance, can reach zero leakage.Above-mentioned seal ring is nontoxic nonmetallic material, and it has function that is wear-resisting and selflubricating, good seal performance, long service life.
Hollow cavity 8 is provided with in flap 5, the medial extremity of flap 5 is provided with a nut 7, nut 7 is threaded with flap 5, one end of valve rod 2 extend in hollow cavity 8 through nut 7, and valve rod 2 is threaded with nut 7, and valve rod 2 and nut 7 form feed screw nut's structure, valve rod 2 rotates and nut 7 and flap 5 can be driven to move up and down, and valve rod 2 itself only rotates and is not elevated.The outboard end of valve rod 2 is fixed on a support by a rolling bearing 14 is rotatable.For the ease of rotating, the outboard end of valve rod 2 is also connected with a handwheel 3.
As a kind of embodiment, support comprises two root post 9 and crossbeams 10, crossbeam 10 is provided with a groove 11, rolling bearing 14 is positioned at groove 11, rolling bearing 14 is set on valve rod 2, rolling bearing 14 is fixed in groove 11 by gland 13, is also provided with divided ring 12 in the both sides of rolling bearing 14.
This discharging valve in use, is with ovable valve stem 2 to rotate by handwheel 3, and then flap 5 can be driven to move up and down, and so just can control the opening and closing of discharging valve.The flap of this discharging valve is arranged to piston-shaped and inner hollow, valve rod is threaded with flap by nut, valve rod rotates and flap can be driven to move up and down, and a valve rod rotation itself is not elevated, therefore its valve rod of discharging valve of this structure can not move up and down, therefore be more adapted at the less occasion in operating space to use, this valve rod is had to be extend in the hollow cavity of flap again, therefore valve rod can not with the medium contact through discharging valve, valve rod can be avoided to be corroded, effectively can to extend the working life of valve rod.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (4)
1. the dark bar discharging valve of soft seal, comprise valve body, flap, valve rod, described valve body is provided with material feeding mouth, discharge port, described flap is positioned at described valve body, it is characterized in that: described flap is the flap of piston-shaped, described flap coordinates with the bore seal of described valve body, hollow cavity is provided with in described flap, the medial extremity of described flap is provided with a nut, the medial extremity of described valve rod extend in described hollow cavity through described nut, described valve rod is connected with described nut thread, the outboard end of described valve rod is fixed on a support by a rolling bearing is rotatable.
2. the dark bar discharging valve of soft seal according to claim 1, is characterized in that: the outboard end of described valve rod is also provided with handwheel.
3. the dark bar discharging valve of soft seal according to claim 1, is characterized in that: described valve body and described flap support are provided with seal ring, and described flap coordinates with described body cavity soft seal.
4. the dark bar discharging valve of soft seal according to claim 1, it is characterized in that: described support comprises two root posts and a crossbeam, described crossbeam is provided with a groove, described rolling bearing is positioned at described groove, described rolling bearing is set on described valve rod, and described rolling bearing is fixed in described groove by gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498380.6U CN204900902U (en) | 2015-07-10 | 2015-07-10 | Dark pole baiting valve of soft seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498380.6U CN204900902U (en) | 2015-07-10 | 2015-07-10 | Dark pole baiting valve of soft seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900902U true CN204900902U (en) | 2015-12-23 |
Family
ID=54923079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520498380.6U Expired - Fee Related CN204900902U (en) | 2015-07-10 | 2015-07-10 | Dark pole baiting valve of soft seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976369A (en) * | 2015-07-10 | 2015-10-14 | 苏州彭瀚机械有限公司 | Soft-seal non-rising stem discharge valve |
-
2015
- 2015-07-10 CN CN201520498380.6U patent/CN204900902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976369A (en) * | 2015-07-10 | 2015-10-14 | 苏州彭瀚机械有限公司 | Soft-seal non-rising stem discharge valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20190710 |