CN205371648U - Axial -flow type discharge valve - Google Patents
Axial -flow type discharge valve Download PDFInfo
- Publication number
- CN205371648U CN205371648U CN201620129112.1U CN201620129112U CN205371648U CN 205371648 U CN205371648 U CN 205371648U CN 201620129112 U CN201620129112 U CN 201620129112U CN 205371648 U CN205371648 U CN 205371648U
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- China
- Prior art keywords
- valve
- flap
- closed chamber
- drive link
- axial
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- Withdrawn - After Issue
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Abstract
The utility model discloses an axial -flow type discharge valve, including the middle valve body that is the valve pocket, be equipped with the feed inlet that is linked together with the valve pocket on the valve body, be equipped with the discharge gate that is linked together with the valve pocket at the valve body lower extreme, be equipped with the sealing chamber in the valve pocket, feed inlet and discharge gate are walked around the sealing chamber and are linked together in the valve pocket, the transfer line that the level that is equipped with in the sealing chamber set up and the valve rod of vertical setting are fixed with the gear at the right -hand member of transfer line, are equipped with the rack with gear engaged with on the valve rod, are fixed with the valve clack at the lower extreme of valve rod, the valve clack lies in the sealing chamber below, and the valve clack contacts with the discharge gate and forms sealed face when the valve clack moves the bottom, the utility model discloses a big and the appearance sealing chamber of valve pocket spatial comparison is established to streamlined no dead angle exists, thereby has guaranteed in the valve clack motion process that the material is not brought into the direction intracavity and is makeed the material in the valve body be difficult for storing up, realized a difficult card die, maintain convenient, resist axial -flow type discharge valve wear -resisting, the antiscour.
Description
Technical field
This utility model belongs to valve technology field, is specifically related to a kind of axial-flow type discharge valve, is arranged on the pipeline of boiler of power plant ash-unloading tube road, chemical plant raw material discharge and uses.
Background technology
Thermal power plant, chemical plant material discharge tubing in, most of gate valve of using at present, cutter valve, ball valve, reason due to its valve mechanism, after using a period of time, often remaining substantial amounts of material in the cavity of valve, and need often to carry out clearing up and keeping in repair, relatively time-consuming effort, the problem that is simultaneously also easy to cause valve switch dumb or stuck and shorten its service life.
Summary of the invention
This utility model purpose is to propose a kind of axial-flow type discharge valve for solving the problems referred to above, and its valve body adopts airflow design, is absent from dead angle, and material can not accumulate, and flap is not easily stuck.
This utility model is adopted the technical scheme that by solving the problems referred to above:
nullA kind of axial-flow type discharge valve，Including the valve body that centre is valve pocket，The charging aperture being connected with valve pocket it is provided with in valve body upper end，The discharging opening being connected with valve pocket it is provided with in valve body lower end，Closed chamber it is provided with in valve pocket，Described charging aperture is walked around closed chamber in valve pocket with discharging opening and is connected，Horizontally disposed drive link and the valve rod being vertically arranged it is provided with in closed chamber，Right-hand member at drive link is fixed with gear，The axis of described drive link and the axis coaxle of gear，Valve rod is provided with the tooth bar being meshed with gear，The left end of described drive link stretches out valve body and drive link and valve body is rotationally connected，Closed chamber and valve rod are stretched out in the lower end of described valve rod and closed chamber is slidably connected，The guide thimble slided up and down for valve rod it is provided with in closed chamber，Described valve rod upper end is positioned at guide thimble and valve rod and guide thimble is slidably connected，It is fixed with flap in the lower end of valve rod，Described flap is positioned at below closed chamber，When flap moves to bottom, flap contacts with discharging opening and forms sealing surface.
Further; described flap is the hollow cylindrical of upper end open; valve seat is installed in discharging opening; the external diameter of described valve seat is equal to the interior warp of discharging opening; the bottom surface of valve seat is provided with multiple female thread counterbore; the internal diameter of described valve seat is less than the external diameter of flap, and when flap moves to bottom, flap contacts with valve seat top and forms sealing surface, and the contact surface of described flap and valve seat is equipped with the protective layer adopting stellite surfacing.
Further, described closed chamber profile is streamlined, is provided with the directed cavity slided up and down for flap on closed chamber, and described directed cavity is cylindrical, and flap is positioned at directed cavity and flap and directed cavity is slidably connected.
Further, it is provided with the first sealing ring at valve seat with discharging opening contact surface place, is provided with the second sealing ring at flap with directed cavity contact surface place.
Further, the left end at drive link is fixed with handwheel, is provided with stuffing seal between valve body and drive link.
Further, described stuffing seal includes seal receptacle, seals lid, the described lid that seals is arranged on outside valve body by bolt, described seal receptacle is fixed in closed chamber, the left end of described drive link sequentially passes through seal receptacle, seals lid, at seal receptacle and seal and be full of filler between lid, described filler is politef or graphite or asbestos packing.
This utility model is had the beneficial effect that valve pocket space of the present utility model is relatively larger and the profile of closed chamber is set to streamlined without dead angle existence, and the setting of the second sealing ring simultaneously ensure that material is not brought in directed cavity so that the material in valve body not easily accumulates in flap motor process；On the other hand, valve seat facilitates maintenance for being detachably arranged on valve body, and the contact surface at flap Yu valve seat is equipped with the protective layer adopting stellite surfacing so that flap and the valve seat advantage that is provided with rigidity, wear-resisting, antiscour；Achieve the axial-flow type discharge valve of a kind of not easily wear-resisting, antiscour stuck, easy to maintenance, anti-.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present utility model being closed；
Fig. 2 is the structural representation of the present utility model being in opening.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
nullAs shown in Figure 1，This utility model includes the middle valve body 15 for valve pocket 19，The charging aperture 5 being connected with valve pocket 19 it is provided with in valve body 15 upper end，The discharging opening 20 being connected with valve pocket 19 it is provided with in valve body 15 lower end，Closed chamber 8 it is provided with in valve pocket 19，In order to prevent dust accumulation to be set to streamlined by the profile of closed chamber 8 on closed chamber 8 outer surface，Described charging aperture 5 is walked around closed chamber 8 in valve pocket 19 with discharging opening 20 and is connected，Horizontally disposed drive link 6 and the valve rod 17 being vertically arranged it is provided with in closed chamber 8，Right-hand member at drive link 6 is fixed with gear，The axis of described drive link 6 and the axis coaxle of gear，Valve rod 17 is provided with the tooth bar being meshed with gear，The left end of described drive link 6 stretches out valve body 15 and drive link 6 is rotationally connected with valve body 15，Closed chamber 8 is stretched out in the lower end of described valve rod 17 and valve rod 17 is slidably connected with closed chamber 8，The guide thimble 7 slided up and down for valve rod 17 it is provided with in closed chamber 8，Described valve rod 17 is positioned at guide thimble 7 and valve rod 17 is slidably connected with guide thimble 7，It is fixed with flap 16 in the lower end of valve rod 17，Described flap 16 is positioned at below closed chamber 8，Described flap 16 is the hollow cylindrical of upper end open，Valve seat 14 is installed in discharging opening 20，Described valve seat 14 is annular，On the bottom surface of valve seat 14, multiple female thread counterbore 12 it is provided with for the ease of taking out valve seat 14，The overall diameter of described valve seat 14 is equal to the interior diameter of discharging opening 20，The interior diameter of described valve seat 14 is less than the overall diameter of flap 16，Contact with valve seat 14 top when flap 16 moves to bottom and form sealing surface，The contact surface of described flap 16 and valve seat 14 is equipped with the protective layer 11 adopting stellite surfacing.
In order to prevent flap 16 from occurring in up and down motion process, the phenomenon of dislocation is provided with the directed cavity 9 slided up and down for flap 16 on closed chamber 8, described directed cavity 9 is cylindrical, flap 16 is positioned at directed cavity 9 and flap 16 is slidably connected with directed cavity 9, it is provided with the first sealing ring 13 at valve seat 14 with discharging opening 20 contact surface place simultaneously, is provided with the second sealing ring 10 at flap 16 with directed cavity 9 contact surface place.
Left end at drive link 6 is fixed with the rotation that handwheel 1 is drive link 6 and provides power, between valve body 15 and drive link 6, stuffing seal is installed to reach better seal effect, described stuffing seal includes seal receptacle 4, seals lid 2, the described lid 2 that seals is arranged on outside valve body 15 by bolt, described seal receptacle 4 is fixed in closed chamber 8, the left end of described drive link 6 sequentially passes through seal receptacle 4, seals lid 2, at seal receptacle 4 and seal and be full of filler 3 between lid 2, described filler 3 is politef or graphite or asbestos packing.
As shown in Figure 2, this discharge valve should be vertically-mounted, when material enters in valve pocket 19, first accumulate in valve pocket 19, during to needs blowing, rotation hand wheel 1 band ovable valve stem moves upward thus driving flap 16 to move upward after certain distance, and discharge valve is in opening, the materials such as charging aperture 5 is walked around closed chamber 8 in valve pocket 19 with discharging opening 20 and is connected, dust flow along arrow 18 direction.
Flange can being adopted between charging aperture 5 and discharging opening 20 place and pipeline or be welded to connect, providing power except manually may be used without the rotation that the different mode of operation such as pneumatic, electronic is drive link,
Valve pocket 19 space of the present utility model is relatively larger and profile of closed chamber 8 is set to streamlined to exist without dead angle, and the setting of the second sealing ring 10 simultaneously ensure that material is not brought in directed cavity 9 so that the material in valve body 15 not easily accumulates in flap 16 motor process；On the other hand, valve seat 14 facilitates maintenance for being detachably arranged on valve body 15, is equipped with, with the contact surface of valve seat 14, the protective layer 11 adopting stellite surfacing at flap 16 so that flap 16 and valve seat 14 advantage that is provided with rigidity, wear-resisting, antiscour；Achieve the axial-flow type discharge valve of a kind of flap 16 not easily wear-resisting, antiscour stuck, easy to maintenance, anti-.
Shape of the present utility model, material, structure etc. are not done any pro forma restriction by the present embodiment; every any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, belongs to the protection domain of technical solutions of the utility model.
Claims (6)
- null1. an axial-flow type discharge valve，It is characterized in that，Including the valve body that centre is valve pocket，The charging aperture being connected with valve pocket it is provided with in valve body upper end，The discharging opening being connected with valve pocket it is provided with in valve body lower end，Closed chamber it is provided with in valve pocket，Described charging aperture is walked around closed chamber in valve pocket with discharging opening and is connected，Horizontally disposed drive link and the valve rod being vertically arranged it is provided with in closed chamber，Right-hand member at drive link is fixed with gear，The axis of described drive link and the axis coaxle of gear，Valve rod is provided with the tooth bar being meshed with gear，The left end of described drive link stretches out valve body and drive link and valve body is rotationally connected，Closed chamber and valve rod are stretched out in the lower end of described valve rod and closed chamber is slidably connected，The guide thimble slided up and down for valve rod it is provided with in closed chamber，Described valve rod upper end is positioned at guide thimble and valve rod and guide thimble is slidably connected，It is fixed with flap in the lower end of valve rod，Described flap is positioned at below closed chamber，When flap moves to bottom, flap contacts with discharging opening and forms sealing surface.
- 2. axial-flow type discharge valve according to claim 1; it is characterized in that; described flap is the hollow cylindrical of upper end open; valve seat is installed in discharging opening; the external diameter of described valve seat, equal to the interior warp of discharging opening, is provided with multiple female thread counterbore on the bottom surface of valve seat, and the internal diameter of described valve seat is less than the external diameter of flap; when flap moves to bottom, flap contacts with valve seat top and forms sealing surface, and the contact surface of described flap and valve seat is equipped with the protective layer adopting stellite surfacing.
- 3. axial-flow type discharge valve according to claim 2, it is characterized in that, described closed chamber profile is streamlined, is provided with the directed cavity slided up and down for flap on closed chamber, described directed cavity is cylindrical, and flap is positioned at directed cavity and flap and directed cavity is slidably connected.
- 4. axial-flow type discharge valve according to claim 3, it is characterised in that be provided with the first sealing ring with discharging opening contact surface place at valve seat, is provided with the second sealing ring at flap with directed cavity contact surface place.
- 5. the axial-flow type discharge valve according to claims 1 to 3 any bar, it is characterised in that the left end at drive link is fixed with handwheel, is provided with stuffing seal between valve body and drive link.
- 6. axial-flow type discharge valve according to claim 5, it is characterized in that, described stuffing seal includes seal receptacle, seals lid, the described lid that seals is arranged on outside valve body by bolt, described seal receptacle is fixed in closed chamber, the left end of described drive link sequentially passes through seal receptacle, seals lid, and at seal receptacle and seal and be full of filler between lid, described filler is politef or graphite or asbestos packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620129112.1U CN205371648U (en) | 2016-02-19 | 2016-02-19 | Axial -flow type discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620129112.1U CN205371648U (en) | 2016-02-19 | 2016-02-19 | Axial -flow type discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371648U true CN205371648U (en) | 2016-07-06 |
Family
ID=56271781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620129112.1U Withdrawn - After Issue CN205371648U (en) | 2016-02-19 | 2016-02-19 | Axial -flow type discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605230A (en) * | 2016-02-19 | 2016-05-25 | 河南省好得利阀门设备检修有限公司 | Axial flow type discharging valve |
| CN107806529A (en) * | 2017-11-27 | 2018-03-16 | 杭州老板电器股份有限公司 | Check-valves and kitchen fume pipeline |
-
2016
- 2016-02-19 CN CN201620129112.1U patent/CN205371648U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605230A (en) * | 2016-02-19 | 2016-05-25 | 河南省好得利阀门设备检修有限公司 | Axial flow type discharging valve |
| CN105605230B (en) * | 2016-02-19 | 2018-11-27 | 河南省好得利流体控制有限公司 | A kind of axial-flow type discharge valve |
| CN107806529A (en) * | 2017-11-27 | 2018-03-16 | 杭州老板电器股份有限公司 | Check-valves and kitchen fume pipeline |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20181127 |