CN203051784U - Axial-flow type full sealed stop valve - Google Patents
Axial-flow type full sealed stop valve Download PDFInfo
- Publication number
- CN203051784U CN203051784U CN 201220748253 CN201220748253U CN203051784U CN 203051784 U CN203051784 U CN 203051784U CN 201220748253 CN201220748253 CN 201220748253 CN 201220748253 U CN201220748253 U CN 201220748253U CN 203051784 U CN203051784 U CN 203051784U
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- valve
- valve pocket
- flap
- worm
- axis
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Abstract
The utility model relates to the field of valves, in particular to an axial-flow type full sealed stop valve. The axial-flow type full sealed stop valve comprises a valve body, a valve flap and an operation mechanism. A valve cavity, an inflow passageway and an outflow passageway are arranged in the valve body, and the inflow passageway and the outflow passageway are communicated with the valve cavity. The valve flap is arranged in the valve cavity. The axial-flow type full sealed stop valve is characterized in that the axis of the valve cavity, the axis of the inflow passageway and the axis of the outflow passageway are in the same line, a valve seat is arranged on the connecting place of the inflow passageway and the valve cavity, the operation mechanism and the valve flap are linked to drive the valve flap to move along the axis of the valve cavity and to match with the valve seat to complete the opening and closing of the valve cavity. According to the axial-flow type full sealed stop valve, the axis of the valve cavity, the axis of the inflow passageway and the axis of the outflow passageway are in the same line, the direction of media does not change, the flow resistance coefficient and the friction force are greatly reduced, and the medium transporting efficiency is improved.
Description
Technical field
The utility model relates to valve field, specifically is the hermetically sealed stop valve of a kind of axial flow.
Background technique
Stop valve extensive use in chemical industry, petroleum industry, the structure of stop valve generally includes valve body and flap and operating device, flow channel and flow pass that described valve body is provided with valve pocket and is connected with valve pocket, flap is arranged in the valve pocket, and described operating device control flap cooperates with valve seat in the valve pocket finishes opening and closing.Medium runner (valve pocket and be connected with valve pocket flow channel and flow pass) in the valve body of tradition stop valve not point-blank, closure member " flap " along MEDIA FLOW to the vertical axis direction come opening/shutting valve do straight reciprocating motion.Medium will force medium through repeatedly break-in by in the runner process of valve, makes flow resistance coefficient increase frictional force and strengthens, and has limited medium transporting efficient.
Summary of the invention
The purpose of this utility model is to provide a kind of flow resistance coefficient and frictional force less in order to overcome the deficiencies in the prior art, the hermetically sealed stop valve of axial flow that transporting efficient is higher.
To achieve these goals, the utility model discloses the hermetically sealed stop valve of a kind of axial flow, comprise valve body and flap and operating device, flow channel and flow pass that described valve body is provided with valve pocket and is connected with valve pocket, described flap places valve pocket, it is characterized in that: the axis of described valve pocket, flow channel and flow pass is on the line, described flow channel and valve pocket joint are provided with valve seat, and described operating device and flap linkage driving flap move to cooperate with valve seat along the valve pocket axis finishes opening and closing.
Compared with prior art, the hermetically sealed stop valve of this axial flow is because the axis of valve pocket, flow channel and flow pass is on the line, and medium can break-in, and flow resistance coefficient and frictional force will greatly reduce, and have improved medium transporting efficient.
As further setting of the present utility model, described flap is provided with the outside thread coaxial with valve pocket, and described operating device comprises worm and gear, and described worm gear set is located at external thread part and the mutual screw-thread fit of flap, the rotatable and axially locating setting of described worm gear.Operating device adopts the mode structure of worm and gear compact, laborsaving.
Further arrange again as of the present utility model, described valve pocket, flow channel and flow pass are cylindric, described flow channel and valve pocket joint are provided with the circular cone sealing surface and constitute valve seat, described flap comprises a valve petal body and tubular swivel nut, described swivel nut external diameter and valve pocket Spielpassung, the front end of described valve petal body is provided with the circular cone suitable with described circular cone sealing surface, tail end is fixedlyed connected with swivel nut, described valve pocket inwall is provided with annular cavity and constitutes the worm and gear cavity volume, described worm and gear axially locating is arranged in the worm and gear cavity volume, and described worm gear set is located on the swivel nut and mutual screw-thread fit.Further arrange as of the present utility model, be provided with bellows between described swivel nut two ends end face and described flow channel, flow pass and the valve pocket joint medium runner and valve pocket are separated.The linkage structure of said structure mode flap and operating device is simple and reliable, medium runner and valve pocket can be separated after being provided with bellows, makes the operating life of valve prolong.
Further arrange again as of the present utility model, described operating device also comprises interlock dish, magnetic rotary disk and the handwheel of being made by permeability magnetic material, described interlock dish is in the worm and gear cavity volume and fixing coaxial is arranged on the end of worm screw, described magnetic rotary disk and handwheel are separately positioned on the two ends of a rotating shaft, and the relative close neighbour with the magnetic rotary disk card of described interlock dish arranges and constitutes the magnetic couplings transmission.Can be with the structure of static seal with valve and extraneous isolating seal fully by above-mentioned the setting, this valve is adapted to the occasion of specific (special) requirements, as carries medium poisonous, corrosion.
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Description of drawings
Accompanying drawing 1 is specific embodiment of the invention surface structure schematic perspective view;
Accompanying drawing 2 is invention specific embodiment STRUCTURE DECOMPOSITION schematic representation;
Accompanying drawing 3 is accompanying drawing 1 A-A sectional view;
Accompanying drawing 4 is accompanying drawing 3 B-B sectional views.
Embodiment
Shown in Fig. 1-4, the hermetically sealed stop valve of axial flow comprises valve body 1 and flap 2 and operating device, flow channel 102 and flow pass 103 that described valve body 1 is provided with valve pocket 101 and is connected with valve pocket 101, valve body 1 preferred shape is for being tubular substantially, two ends are provided with for the flange connecting structure, described valve pocket 101, flow channel 102 and flow pass 103 are preferably cylindric, make with convenient.The axis of described valve pocket 101, flow channel 102 and flow pass 103 is on the line, and valve seat 3 is arranged on described flow channel 102 and valve pocket 101 joints, and the joint is provided with the circular cone sealing surface and constitutes valve seat 3.Described flap 2 places valve pocket 101, described flap 2 is provided with the outside thread coaxial with valve pocket 101, described operating device comprises worm and gear, described worm gear set is located at external thread part and the mutual screw-thread fit of flap 2, in this specific embodiment, flap 2 comprises a valve petal body 201 and tubular swivel nut 202, described swivel nut 202 external diameters and valve pocket 101 Spielpassung, the front end of described valve petal body 201 is provided with the circular cone suitable with described circular cone sealing surface, the circular cone rear end is provided with cylindrical joint, the both sides of joint tail end are provided with radial link and fixedly connected with swivel nut 202 inwalls, described valve pocket 101 inwalls are provided with annular cavity and constitute worm and gear cavity volume 104, described worm and gear axially locating is arranged in the worm and gear cavity volume 104, described worm gear 4 is set in swivel nut 202 outer and mutual screw-thread fit, drive worm gears 4 rotations by rotary worm 5 in the described operating device, worm gear 4 rotations drive flaps 2 and move to cooperate with valve seat 3 along valve pocket 101 axis and finish opening and closing; Certain driving flap 2 moves along valve pocket 101 axis and is not limited in said structure, also can be the mode that adopts gear rack to drive, but preceding a kind of structure is more reasonable, is optimal way.In order to prevent leaking, avoid medium to the influence of operating device, in this specific embodiment, between described swivel nut 202 two ends end faces and described flow channel 102, flow pass 103 and valve pocket 101 joints, be provided with bellows 6 medium runner and valve pocket 101 are separated.In order further to improve sealability, adapt to some application of special occasions, operating device described in this specific embodiment also comprises interlock dish 7, magnetic rotary disk 8 and the handwheel of being made by permeability magnetic material 9, described interlock dish 7 is in the worm and gear cavity volume 104 and fixing coaxial is arranged on the end of worm screw 5, described worm and gear cavity volume 104 and extraneous seal isolation, described magnetic rotary disk 8 and handwheel 9 are separately fixed at the two ends of a rotating shaft, described magnetic rotary disk 8 and handwheel 9 are arranged on valve body 1 outside, and interlock dish 7 arranges with the relative close neighbour of magnetic rotary disk 8 cards and constitutes the magnetic couplings transmission.
Claims (5)
1. hermetically sealed stop valve of axial flow, comprise valve body and flap and operating device, flow channel and flow pass that described valve body is provided with valve pocket and is connected with valve pocket, described flap places valve pocket, it is characterized in that: the axis of described valve pocket, flow channel and flow pass is on the line, described flow channel and valve pocket joint are provided with valve seat, and described operating device and flap linkage driving flap move to cooperate with valve seat along the valve pocket axis finishes opening and closing.
2. the hermetically sealed stop valve of axial flow according to claim 1, it is characterized in that: described flap is provided with the outside thread coaxial with valve pocket, described operating device comprises worm and gear, described worm gear set is located at external thread part and the mutual screw-thread fit of flap, the rotatable and axially locating setting of described worm gear.
3. the hermetically sealed stop valve of axial flow according to claim 2, it is characterized in that: described valve pocket, flow channel and flow pass are cylindric, described flow channel and valve pocket joint are provided with the circular cone sealing surface and constitute valve seat, described flap comprises a valve petal body and tubular swivel nut, described swivel nut external diameter and valve pocket Spielpassung, the front end of described valve petal body is provided with the circular cone suitable with described circular cone sealing surface, tail end is fixedlyed connected with swivel nut, described valve pocket inwall is provided with annular cavity and constitutes the worm and gear cavity volume, described worm and gear axially locating is arranged in the worm and gear cavity volume, and described worm gear set is located on the swivel nut and mutual screw-thread fit.
4. the hermetically sealed stop valve of axial flow according to claim 3 is characterized in that: be provided with bellows between described swivel nut two ends end face and described flow channel, flow pass and the valve pocket joint medium runner and valve pocket are separated.
5. the hermetically sealed stop valve of axial flow according to claim 4, it is characterized in that: described operating device also comprises interlock dish, magnetic rotary disk and the handwheel of being made by permeability magnetic material, described interlock dish is in the worm and gear cavity volume and fixing coaxial is arranged on the end of worm screw, described magnetic rotary disk and handwheel are separately positioned on the two ends of a rotating shaft, and the relative close neighbour with the magnetic rotary disk card of described interlock dish arranges and constitutes the magnetic couplings transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748253 CN203051784U (en) | 2012-12-28 | 2012-12-28 | Axial-flow type full sealed stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748253 CN203051784U (en) | 2012-12-28 | 2012-12-28 | Axial-flow type full sealed stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051784U true CN203051784U (en) | 2013-07-10 |
Family
ID=48734738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748253 Expired - Fee Related CN203051784U (en) | 2012-12-28 | 2012-12-28 | Axial-flow type full sealed stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090018A (en) * | 2012-12-28 | 2013-05-08 | 温州市滨海金属封头有限公司 | Axial-flow type full-sealed stop valve |
| CN110594427A (en) * | 2019-08-07 | 2019-12-20 | 武汉船用机械有限责任公司 | Throttle valve |
-
2012
- 2012-12-28 CN CN 201220748253 patent/CN203051784U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090018A (en) * | 2012-12-28 | 2013-05-08 | 温州市滨海金属封头有限公司 | Axial-flow type full-sealed stop valve |
| CN110594427A (en) * | 2019-08-07 | 2019-12-20 | 武汉船用机械有限责任公司 | Throttle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ge Tianmin Inventor after: Xiang Jianmin Inventor before: Ge Tianmin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GE TIANMIN TO: GE TIANMIN XIANG JIANMIN |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20131228 |