CN205278394U - Novel resistant high pressure isolating valve - Google Patents
Novel resistant high pressure isolating valve Download PDFInfo
- Publication number
- CN205278394U CN205278394U CN201521119971.4U CN201521119971U CN205278394U CN 205278394 U CN205278394 U CN 205278394U CN 201521119971 U CN201521119971 U CN 201521119971U CN 205278394 U CN205278394 U CN 205278394U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- flap
- airtight
- watertight padding
- 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.)
- Active
Links
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a novel resistant high pressure isolating valve, including valve body, disk seat, valve clack, valve gap, valve rod, hand wheel, the valve gap cross -section is the C type, is equipped with shaft seal structure between the lower extreme body and the outer wall of valve rod, valve rod, valve clack pass through the valve rod and are connected with valve clack connection structure, be equipped with toper seal structure between valve clack, the disk seat, shaft seal structure is elasticity seal structure, the further improvement lies in: be equipped with corrugated pipe assembling part in the taper hole of valve gap lower extreme body bottom, valve rod bottom evagination ring lower extreme is equipped with decurrent spherical plush copper, and is equipped with the corresponding spherical arc groove of the spherical plush copper of upper valve rod bottom evagination ring lower extreme with it, valve rod, valve clack swing joint in the complex valve clack counter bore of valve rod evagination ring limit on the terminal surface. The utility model discloses a combined sealing such as elasticity seal structure, corrugated pipe assembling part makes the utility model discloses high pressure resistant, non -maintaining simultaneously, use cost is low.
Description
Technical field
This utility model relates to a kind of valve, particularly to a kind of stop valve.
Background technology
Stop valve includes valve body, valve seat, flap, valve gap, valve rod, is provided with shaft seal structure between valve gap and valve rod outer wall. Shaft seal structure in existing stop valve is to arrange airtight and watertight padding or sealing ring, airtight and watertight padding or sealing ring in the annular groove between valve gap and valve rod outer wall and valve rod outer wall cooperatively forms shaft seal structure. Along with the increase of the time of use, airtight and watertight padding or sealing ring because the gap between abrasion and valve rod outer wall increases, it is impossible to make stop valve keep good sealing state, leakage can be caused.
Summary of the invention
To be solved in the utility model is the deficiencies in the prior art, there is provided one that airtight and watertight padding or sealing ring and valve rod outer wall can be made all the time to keep tight engagement, thus remaining the novel high pressure-resistant stop valve of better sealing state, this stop valve adopts combined labyrinth and carbon gland, high pressure can be born, non-maintaining, use cost is low.
This utility model is achieved through the following technical solutions technical goal.
Novel high pressure-resistant stop valve, including valve body, valve seat, flap, valve gap, valve rod, hands wheel; Described valve gap cross section is C type, and its upper end body is connected with handwheel, and lower end body is arranged on valve body, has the taper hole of 40��55 degree, be provided with shaft seal structure between lower end body and valve rod outer wall bottom the body of lower end; Described valve rod, flap are connected with flap attachment structure by valve rod; It is provided with cone-shaped seal structure between described flap, valve seat; Described valve rod and flap attachment structure include adapter sleeve, spin-ended pad; Described valve rod bottom is provided with coaxial evagination annulus limit; Described flap is a kind of horizontal truncated cone-shaped component, one end upward be provided with counterbore with on valve rod evagination annulus limit coordinate, the counterbore oral area of flap is provided with the internal thread hole matched with adapter sleeve external screw thread; Described spin-ended level up between adapter sleeve and flap faying face, after screwing, make dislocation flanging up and down process and constitute spin-ended installation; It thes improvement is that: described shaft seal structure is elastic sealing structure, including compression spring, airtight and watertight padding gland, airtight and watertight padding, compression spring, airtight and watertight padding gland, airtight and watertight padding are sleeved on the valve rod between valve gap C type opening from top to bottom, airtight and watertight padding is arranged in valve gap lower end body and valve rod outer wall annular groove, airtight and watertight padding gland lower surface is pressed in airtight and watertight padding, compression spring is arranged between body lower surface, valve gap upper end and airtight and watertight padding gland upper surface, constitutes elastic sealing structure.
In said structure, bottom the body of described valve gap lower end, in taper hole, it is provided with combined bellows part; Described combined bellows part is made up of at the peripheral corrugated tube of valve rod and taper block empty set; Described corrugated tube lower end is fixing with valve stem seal to be connected, and taper block is fixedly connected on the upper end of corrugated tube; The taper direction of described taper block is consistent with taper hole direction bottom valve gap, bigger than taper hole bottom valve gap 4��10 degree of the angle of its male cone (strobilus masculinus); Together with under described taper block, circumferentially plane is closely pressed together on valve body, valve gap.
In said structure, evagination annulus lower end, described valve rod bottom is provided with downward spherical plush copper, the flap counterbore inner face coordinated with valve rod evagination annulus limit is provided with the spherical arc groove that the spherical plush copper in evagination annulus lower end, upper valve rod bottom is corresponding with it, and valve rod, flap are flexibly connected.
In said structure, described airtight and watertight padding is some v-rings.
Adopt technique scheme so that this utility model has the advantage that
1, in this utility model, shaft seal structure is elastic sealing structure, and under compression spring effect, airtight and watertight padding keeps close mated condition with valve rod outer wall, thus remaining better sealing state, significantly improves sealing reliability; Simultaneously, it is not necessary to safeguard.
2, it is provided with combined bellows part in taper hole bottom the body of valve gap lower end, combined bellows part is added than prior art, constitute multi-sealed, corrugated tube lower end is welded on valve rod, to prevent the poisonous medium of the deep-etchings such as chlorine from corroding valve rod, its upper end is placed between valve body and valve gap and constitutes static seal, the taper block being used for separating valve body and valve gap is fixedly welded on periphery, corrugated tube upper end simultaneously, leakage point that may be present between corrugated tube and valve rod can also be blocked, further increase the sealing anti-leak performance of valve. Under taper block, circumferentially plane and valve body, valve gap are combined closely, and are provided with polyvinyl fluoride sealing gasket therebetween, it is possible to be further ensured that the sealing effectiveness of valve. Meanwhile, cone-shaped seal structure is set in flap end, reaches the effect of dual-seal dual fail-safe non-internal leakage.
3, flap, be provided with cone-shaped seal structure between valve seat, when this utility model is closed, the spherical plush copper in evagination annulus lower end, valve rod bottom is squeezed on flap counterbore inner face in spherical arc groove, owing to valve rod, flap are flexibly connected, flap is in a kind of floating connection state, the cooperation position with sealing surface of seat can be regulated voluntarily, thus ensureing that between flap, valve seat, sealing surface keeps comprehensive engagement, thus ensureing to be between flap, valve seat close mated condition, it is further ensured that sealing reliability of the present utility model.
4, in shaft seal structure, airtight and watertight padding is v-ring, and airtight and watertight padding gland compresses down, and airtight and watertight padding coordinates tightr with valve rod outer wall, further improves sealing reliability.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is I close-up schematic view in Fig. 1.
Detailed description of the invention
Below according to accompanying drawing and the utility model is described in further detail in conjunction with the embodiments.
Novel high pressure-resistant stop valve shown in the drawings, including valve body 1, valve seat 2, flap 3, valve gap 4, valve rod 8, handwheel 10; Valve gap 4 cross section is C type, and its upper end body 4.1 is connected with handwheel 10, and lower end body 4.2 is arranged on valve body 1, has the taper hole of 40��55 degree, be provided with shaft seal structure 6 between lower end body 4.2 and valve rod 8 outer wall bottom lower end body 4.2; Valve rod 8, flap 3 are connected with flap attachment structure 9 by valve rod; It is provided with cone-shaped seal structure between flap 3, valve seat 2.
Valve rod and flap attachment structure 9 include adapter sleeve 9.1, spin-ended pad 9.2; Valve rod 8 bottom is provided with coaxial evagination annulus limit; Flap 3 is a kind of horizontal truncated cone-shaped component, one end upward be provided with counterbore with on valve rod 8 evagination annulus limit coordinate, the counterbore oral area of flap 3 is provided with the internal thread hole matched with adapter sleeve 9.1 external screw thread; Spin-ended pad 9.2 plain cushion, between adapter sleeve 9.1 and flap 3 faying face, is made dislocation flanging up and down after screwing and is processed the spin-ended installation of composition. Evagination annulus lower end, valve rod 8 bottom is provided with downward spherical plush copper, the flap 3 counterbore inner face coordinated with valve rod 8 evagination annulus limit is provided with the spherical arc groove that the spherical plush copper in upper valve rod 8 bottom evagination annulus lower end is corresponding with it, and valve rod 8, flap 3 are flexibly connected.
Shaft seal structure 6 is elastic sealing structure, and including compression spring 6.1, airtight and watertight padding gland 6.2, airtight and watertight padding 6.3, in the present embodiment, airtight and watertight padding 6.3 is some v-rings. Compression spring 6.1, airtight and watertight padding gland 6.2, airtight and watertight padding 6.3 are sleeved on the valve rod 8 between valve gap 4C type opening from top to bottom, airtight and watertight padding 6.3 is arranged in valve gap 4 lower end body 4.2 and valve rod 8 outer wall annular groove, airtight and watertight padding gland 6.1 lower surface is pressed in airtight and watertight padding 6.3, compression spring 6.1 is arranged between body 4.1 lower surface, valve gap 4 upper end and airtight and watertight padding gland 6.2 upper surface, constitutes elastic sealing structure.
It is provided with combined bellows part 5 in taper hole bottom valve gap 4 lower end body 4.2; Combined bellows part 5 is made up of the empty set corrugated tube 5.1 in valve rod 8 periphery and taper block 5.2; Corrugated tube 5.1 lower end and valve rod 8 are sealedly and fixedly connected, and taper block 5.2 is fixedly connected on the upper end of corrugated tube 5.1; The taper direction of taper block 5.2 is consistent with taper hole direction bottom valve gap 4, bigger than taper hole bottom valve gap 4 4��10 degree of the angle of its male cone (strobilus masculinus); Taper block is together with 5.2 times circumferentially plane is closely pressed together on valve body 1, valve gap 4.
Claims (4)
1. a novel high pressure-resistant stop valve, including valve body (1), valve seat (2), flap (3), valve gap (4), valve rod (8), handwheel (10), described valve gap (4) cross section is C type, its upper end body (4.1) is connected with handwheel (10), lower end body (4.2) is arranged on valve body (1), and lower end body (4.2) bottom has the taper hole of 40��55 degree, is provided with shaft seal structure (6) between lower end body (4.2) and valve rod (8) outer wall, described valve rod (8), flap (3) are connected with flap attachment structure (9) by valve rod, described flap (3), valve seat are provided with cone-shaped seal structure between (2), described valve rod and flap attachment structure (9) include adapter sleeve (9.1), spin-ended pad (9.2), described valve rod (8) bottom is provided with coaxial evagination annulus limit, described flap (3) is a kind of horizontal truncated cone-shaped component, one end upward be provided with counterbore with on valve rod (8) evagination annulus limit coordinate, the counterbore oral area of flap (3) is provided with the internal thread hole matched with adapter sleeve (9.1) external screw thread, described spin-ended pad (9.2) plain cushion, between adapter sleeve (9.1) and flap (3) faying face, is made dislocation flanging up and down after screwing and is processed the spin-ended installation of composition, it is characterized in that: described shaft seal structure (6) is elastic sealing structure, including compression spring (6.1), airtight and watertight padding gland (6.2), airtight and watertight padding (6.3), compression spring (6.1), airtight and watertight padding gland (6.2), airtight and watertight padding (6.3) is sleeved on the valve rod (8) between valve gap (4) C type opening from top to bottom, airtight and watertight padding (6.3) is arranged in valve gap (4) lower end body (4.2) and valve rod (8) outer wall annular groove, airtight and watertight padding gland (6.1) lower surface is pressed in airtight and watertight padding (6.3), compression spring (6.1) is arranged between body (4.1) lower surface, valve gap (4) upper end and airtight and watertight padding gland (6.2) upper surface, constitute elastic sealing structure.
2. novel high pressure-resistant stop valve according to claim 1, it is characterised in that: it is provided with combined bellows part (5) in the taper hole of bottom, described valve gap (4) lower end body (4.2); Described combined bellows part (5) is made up of at the peripheral corrugated tube (5.1) of valve rod (8) and taper block (5.2) empty set; Described corrugated tube (5.1) lower end and valve rod (8) are sealedly and fixedly connected, and taper block (5.2) is fixedly connected on the upper end of corrugated tube (5.1); The taper direction of described taper block (5.2) is consistent with taper hole direction, valve gap (4) bottom, and the angle of its male cone (strobilus masculinus) is than big 4��10 degree of the taper hole in valve gap (4) bottom; Together with under described taper block (5.2), circumferentially plane is closely pressed together on valve body (1), valve gap (4).
3. novel high pressure-resistant stop valve according to claim 1 and 2, it is characterized in that: evagination annulus lower end, described valve rod (8) bottom is provided with downward spherical plush copper, flap (3) the counterbore inner face coordinated with valve rod (8) evagination annulus limit is provided with the spherical arc groove that the spherical plush copper in evagination annulus lower end, upper valve rod (8) bottom is corresponding with it, and valve rod (8), flap (3) are flexibly connected.
4. novel high pressure-resistant stop valve according to claim 3, it is characterised in that: described airtight and watertight padding (6.3) is some v-rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119971.4U CN205278394U (en) | 2015-12-30 | 2015-12-30 | Novel resistant high pressure isolating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119971.4U CN205278394U (en) | 2015-12-30 | 2015-12-30 | Novel resistant high pressure isolating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205278394U true CN205278394U (en) | 2016-06-01 |
Family
ID=56062972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521119971.4U Active CN205278394U (en) | 2015-12-30 | 2015-12-30 | Novel resistant high pressure isolating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205278394U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090418A (en) * | 2016-08-24 | 2016-11-09 | 江苏中昊船用阀门制造有限公司 | High pressure resistant stop valve |
| CN106090381A (en) * | 2016-08-24 | 2016-11-09 | 江苏中昊船用阀门制造有限公司 | Corrosion-resistant high-pressure stop valve |
| CN106931167A (en) * | 2015-12-30 | 2017-07-07 | 江苏海达船用阀业有限公司 | Novel high pressure-resistant stop valve |
| CN107461507A (en) * | 2016-12-30 | 2017-12-12 | 郴州万墨环保科技有限公司 | A kind of self compensation vacuum valve |
-
2015
- 2015-12-30 CN CN201521119971.4U patent/CN205278394U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931167A (en) * | 2015-12-30 | 2017-07-07 | 江苏海达船用阀业有限公司 | Novel high pressure-resistant stop valve |
| CN106090418A (en) * | 2016-08-24 | 2016-11-09 | 江苏中昊船用阀门制造有限公司 | High pressure resistant stop valve |
| CN106090381A (en) * | 2016-08-24 | 2016-11-09 | 江苏中昊船用阀门制造有限公司 | Corrosion-resistant high-pressure stop valve |
| CN107461507A (en) * | 2016-12-30 | 2017-12-12 | 郴州万墨环保科技有限公司 | A kind of self compensation vacuum valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205278394U (en) | Novel resistant high pressure isolating valve | |
| CN205278409U (en) | Stop valve is carried to chlorine of nai ultra -low temperature | |
| CN205278506U (en) | Novel resistant high pressure isolating valve | |
| CN110130839A (en) | A kind of ring seal structure of coupling | |
| CN207213243U (en) | A kind of seal ball-valve removed contamination | |
| CN203784518U (en) | Flexible brake hose for water conservancy machinery for farmland | |
| CN106931167A (en) | Novel high pressure-resistant stop valve | |
| CN106523784B (en) | Compensation high-sealing valve | |
| CN102865378B (en) | Anti-scouring stop valve | |
| CN205654936U (en) | Dredging pipe valve | |
| CN106931175A (en) | The chlorine gas transfer of resistance to ultralow temperature stop valve | |
| CN207261799U (en) | A kind of fixing ball valve of valve-stem popping preventive | |
| CN106931219A (en) | Novel high pressure-resistant stop valve | |
| CN204004609U (en) | Gas meter movable joint waterproofing valve | |
| CN206386555U (en) | A kind of cryogenic ball valve | |
| CN202171027U (en) | Ball valve device | |
| CN205261000U (en) | Dual stem seal structure of valve | |
| CN204477473U (en) | cutting ball valve | |
| CN203656215U (en) | Novel subsea valve | |
| CN106763833A (en) | Special valve for special chlorine | |
| CN206918302U (en) | Flange connects spiral valve | |
| CN207094017U (en) | A kind of gear type steering pump oil inlet and outlet joint module structure | |
| CN206738761U (en) | A kind of high-temperature and pressure pipeline attachment structure with lining | |
| CN209430757U (en) | A kind of sealing element of bulb tube connector | |
| CN204677880U (en) | A kind of one-way valve valve gap and valve rod elastic sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |