CN204477363U - Directly buried type all-welded ball valve - Google Patents
Directly buried type all-welded ball valve Download PDFInfo
- Publication number
- CN204477363U CN204477363U CN201420824186.8U CN201420824186U CN204477363U CN 204477363 U CN204477363 U CN 204477363U CN 201420824186 U CN201420824186 U CN 201420824186U CN 204477363 U CN204477363 U CN 204477363U
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- Prior art keywords
- valve
- gland
- valve rod
- spheroid
- valve body
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Abstract
The utility model discloses directly buried type all-welded ball valve, comprise valve body, valve seat, valve rod, spheroid and operator, valve body is by left valve barrel, right valve barrel and center valve body composition, support plate is provided with between center valve body and spheroid, valve rod top cover has valve spindle gland, valve spindle gland top is connected with valve rod extension bar, valve rod extension bar periphery is provided with valve rod support, valve rod cradle top is connected with operator by top flange dish, operator is provided with handwheel devices, the valve rod overcoat in valve rod pedestal lower end face has upper flange plate and lower flange, the stem exterior surface of lower flange and middle spheroid is provided with gland, top flange dish and support, support and upper flange plate, valve rod and valve spindle gland, left and right valve body and center valve body are all by welding fixing and locking in addition.The utility model all adopts welding manner, and structure is more tight, make sealability better, and valve rod top is connected with valve rod extension bar, is convenient to control valve on the ground.
Description
Technical field
The utility model relates to valve technology field, particularly relates to a kind of directly buried type all-welded ball valve.
Background technique
For in gas transmission and distribution often to valve, and common valve is embedded in underground and needs to build tall and big valve well, such rainwater or snow-broth can pour valve well rubbish, these junks, a large amount of harmful gas can be produced in well, and operator enter valve pit manipulation valve time the personnel that can cause injure, pipeline and Valve breakage also can damage operator simultaneously, moreover common valve is connected with pipeline and needs with flange, screw, pad, such valve is connected with pipeline and wastes a large amount of physical resources, be unfavorable for grobal environment and energy-saving and emission-reduction, thus people just improve directly buried type all-welded ball valve on this basis, can be good at solving the problem by directly buried type all-welded ball valve, but directly buried type all-welded ball valve is all made up of metallic material, heavier-weight, be not easy to transport, installation and removal, and connect also defective tightness, sealability is poor, the frequent phenomenon that leaks outside, and medium is also poor etc. at valve passage trafficability performance.
Model utility content
For the deficiencies in the prior art, the utility model provides directly buried type all-welded ball valve.
To achieve these goals, technical solution adopted in the utility model is:
Directly buried type all-welded ball valve, comprise valve body, valve seat, valve rod, spheroid and operator, valve inner has a cavity, in cavity, spheroid is installed, valve seat is provided with between spheroid and valve interior wall, spheroid top is connected with valve rod, valve body is by left valve barrel, right valve barrel and center valve body composition, trim ring is provided with between valve seat and valve body, pad and spiral compression spring, support plate is provided with between center valve body and spheroid, valve rod top cover has valve spindle gland, valve spindle gland top is connected with valve rod extension bar, valve rod extension bar periphery is provided with valve rod support, valve rod cradle top is connected with operator by top flange dish, operator is provided with handwheel devices, the valve rod overcoat in valve rod pedestal lower end face has upper flange plate and lower flange, the stem exterior surface of lower flange and middle spheroid is provided with gland, lower flange side is fixedly connected with center valve body with gland side by pin, lower flange opposite side is by screw one and gland fixing and locking, immediately below screw one position gland on by screw two by gland and center valve body fixing and locking, valve rod fire-protection ring is provided with from top to bottom between gland and valve rod, valve rod O shape is enclosed, valve rod radial bearing and thrust plane bearing, pedestal lower end face is connected by flat thrust ball bearing one with gland upper-end surface, fixed by key one between valve rod and valve spindle gland, described top flange dish and support, support and upper flange plate, valve rod and valve spindle gland, left and right valve body and center valve body are all by welding fixing and locking in addition.The utility model has valve spindle gland at valve rod upper gland on the one hand, by being connected with valve rod extension bar on valve spindle gland top, valve is more convenient for imbed underground, people are only used on ground surface and just can carry out opening and closing operations to valve, avoid the underground space of building valve opening and closing in underground, shorten the duration, decrease cost, also be convenient to maintenance and safeguard, on the other hand valve all adopts welding manner in addition fastening, make structure tightr, substantially increase its sealing, be convenient to the circulation as media such as combustion gas, also improve its working life.
Described valve rod lower end surface is provided with electrostatic spring and is connected with spheroid, by this setting, valve rod is connected with spheroid more tight, is also conducive to reducing the friction between valve rod lower end surface and spheroid.
Be provided with valve seat fire-protection ring between described valve seat and spheroid and valve seat O shape is enclosed, by this setting, be conducive to reducing the friction factor between spheroid and valve seat, make valve opening and closing more flexible, working life is more permanent, sealing better effects if.
Described support plate and left and right valve body, by support plate pin fixing and locking, are provided with spheroid radial bearing between support plate axial sides and spheroid axial sides, be provided with plane bearing and adjust pad between support plate transverse side and spheroid transverse side.
Described upper flange plate and lower flange, by hex head bolt, elastic washer and hexagon nut fixing and locking, by this setting, facilitate the installation and removal of upper flange plate and lower flange, also make upper flange plate be connected with lower flange tightr.
Be provided with lower flange O shape between described lower flange and gland to enclose, by this setting, lower flange and gland seal better effects if.
Be provided with between described gland and center valve body gland fire-protection ring and gland O shape circle, by this setting, make gland and center valve body sealing effect better.
Described operator is connected by top cover with top flange dish, operator O shape circle is provided with between top cover and operator, top cover is by screw three and top flange dish fixing and locking, be provided with top cover O shape between top cover and top flange dish to enclose, between top cover lower end surface and pedestal upper end face, be lined with flat thrust ball bearing two.
Described operator is worm operation device, is provided with extension rod in worm operation device, and extension rod and worm operation device are by key two fixing and locking.
Described top flange dish and operator by Cock screw fixing and locking, by this setting, top flange dish and operator easier for installation, and top flange dish and operator tightr.
The beneficial effects of the utility model: the utility model valve rod top have employed valve rod extension bar structure, can design according to actual underground installation needs of imbedding, more convenient to installly be connected to underground, be convenient to operate on the ground, without the need to building the underground space of valve opening and closing, shortening the duration, decreasing cost, also be convenient to maintenance and safeguard, Safety performance is higher simultaneously; Top flange dish described in the utility model and support, support and upper flange plate, valve rod are all by welding fixing and locking in addition with valve spindle gland, left and right valve body with center valve body, its structure is tightr, make sealability better, be more applicable to the circulation of the media such as combustion gas.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model side-looking direction schematic diagram;
Fig. 3 is the A place partial enlarged drawing of Fig. 1;
Fig. 4 is the B place close-up schematic view of Fig. 1.
The implication of number in the figure is; 1, center valve body; 2, left valve barrel; 3, spheroid; 4, valve rod; 5, right valve barrel; 6, valve seat; 7, spiral compression spring; 8, trim ring; 11, pad; 12, thrust plane bearing; 13, plane bearing; 17, adjustment pad; 19, hex head bolt; 20, elastic washer; 21, hexagon nut; 22, pin; 23, support plate pin; 24, Cock screw; 25, gland; 26, lower flange; 27, support plate; 28, electrostatic spring; 30, operator; 38, boatswain chair; 39, leg; 40, valve rod extension bar; 41, valve rod support; 42, top cover; 91, valve seat fire-protection ring; 92, valve rod fire-protection ring; 93, gland fire-protection ring; 101, valve seat O shape circles; 102, valve rod O shape circles; 103, gland O shape circles; 104, lower flange O shape figure; 105, operator O shape circles; 106, top cover O shape circles; 141, valve rod radial bearing; 142, spheroid radial bearing; 181, screw one; 182, screw two; 183, screw three, 291, key one; 292, key two; 501, flat thrust ball bearing one; 502, flat thrust ball bearing two.
Embodiment
According to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, be described in further detail:
Directly buried type all-welded ball valve, comprise valve body, valve seat 6, valve rod 4, spheroid 3 and operator 30, valve inner has a cavity, spheroid 3 is installed in cavity, valve seat is provided with between spheroid 3 and valve interior wall, spheroid 3 top is connected with valve rod 4, valve body is by left valve barrel 2, right valve barrel 5 and center valve body 1 form, trim ring 8 is provided with between valve seat 6 and valve body, pad 11 and spiral compression spring 7, support plate 27 is provided with between center valve body 1 and spheroid 3, valve rod 4 top cover has valve spindle gland, valve spindle gland top is connected with valve rod extension bar 40, valve rod extension bar 40 periphery is provided with valve rod support 41, valve rod support 41 top is connected with operator 30 by top flange dish, operator 30 is provided with handwheel devices, the valve rod overcoat of valve rod support 41 lower end surface has upper flange plate and lower flange 26, lower flange 26 is provided with gland 25 with the stem exterior surface of middle spheroid 3, lower flange 26 side is fixedly connected with center valve body 1 with gland 25 side by pin 22, lower flange 26 opposite side is by screw 1 and gland 25 fixing and locking, immediately below screw 1 position gland 25 on by screw 2 182 by gland 25 and center valve body 1 fixing and locking, valve rod fire-protection ring 92 is provided with from top to bottom between gland 25 and valve rod 4, valve rod O shape circle 102, valve rod radial bearing 141 and thrust plane bearing 12, pedestal lower end face is connected by flat thrust ball bearing 1 with gland 25 upper-end surface, fixed by key 1 between valve rod and valve spindle gland, described top flange dish and support, support and upper flange plate, valve rod 4 and valve spindle gland, left and right valve body 2, 5 is all by welding fixing and locking in addition with center valve body 1, described valve rod lower end surface is provided with electrostatic spring 28 and is connected with spheroid, valve seat fire-protection ring 91 is provided with and valve seat O shape encloses 101 between described valve seat and spheroid, described support plate 27 and left and right valve body 2, 5 by support plate pin 23 fixing and locking, spheroid radial bearing 142 is provided with between support plate 27 axial sides and spheroid axial sides, be provided with plane bearing 13 between support plate 27 transverse side and spheroid 3 transverse side and adjust pad 17, described upper flange plate and lower flange 26 are by hex head bolt 19, elastic washer 20 and hexagon nut 21 fixing and locking, be provided with lower flange O shape between described lower flange 26 and gland 25 and enclose 104, gland fire-protection ring 93 and gland O shape circle 103 is provided with between described gland 25 and center valve body 1, described operator 30 is connected by top cover 42 with top flange dish, be provided with operator O shape between top cover 42 and operator 30 and enclose 105, top cover 42 is by screw 3 183 and top flange dish fixing and locking, be provided with top cover O shape between top cover 42 and top flange dish and enclose 106, flat thrust ball bearing 2 502 is lined with between top cover 42 lower end surface and pedestal upper end face, described operator 30 is worm operation device, extension rod is provided with in worm operation device, extension rod and worm operation device are by key 2 292 fixing and locking, described top flange dish and operator 30 are by Cock screw 24 fixing and locking, described left and right valve body 2, the upper-end surface of 5 is provided with boatswain chair 38, and left and right valve body 2, the lower end surface of 5 is provided with leg 39, described valve rod extension bar 40 and valve rod support 41 length are 2.5m.
The utility model has valve spindle gland at valve rod 4 upper gland on the one hand, by being connected with valve rod extension bar 40 on valve spindle gland top, valve is more convenient for imbed underground, people are only used on ground surface and just can carry out opening and closing operations to valve, avoid the underground space of building valve opening and closing in underground, shorten the duration, decrease cost, also be convenient to maintenance and safeguard, on the other hand valve all adopts welding manner in addition fastening, make structure tightr, substantially increase its sealing, be convenient to the circulation as media such as combustion gas, also improve its working life.
The beneficial effects of the utility model: the utility model valve rod top have employed valve rod extension bar structure, can design according to actual underground installation needs of imbedding, more convenient to installly be connected to underground, be convenient to operate on the ground, without the need to building the underground space of valve opening and closing, shortening the duration, decreasing cost, also be convenient to maintenance and safeguard, Safety performance is higher simultaneously; Top flange dish described in the utility model and support, support and upper flange plate, valve rod are all by welding fixing and locking in addition with valve spindle gland, left and right valve body with center valve body, its structure is tightr, make sealability better, be more applicable to the circulation of the media such as combustion gas.
Claims (10)
1. directly buried type all-welded ball valve, comprise valve body, valve seat, valve rod, spheroid and operator, valve inner has a cavity, in cavity, spheroid is installed, valve seat is provided with between spheroid and valve interior wall, spheroid top is connected with valve rod, it is characterized in that, valve body is by left valve barrel, right valve barrel and center valve body composition, trim ring is provided with between valve seat and valve body, pad and spiral compression spring, support plate is provided with between center valve body and spheroid, valve rod top cover has valve spindle gland, valve spindle gland top is connected with valve rod extension bar, valve rod extension bar periphery is provided with valve rod support, valve rod cradle top is connected with operator by top flange dish, operator is provided with handwheel devices, the valve rod overcoat in valve rod pedestal lower end face has upper flange plate and lower flange, the stem exterior surface of lower flange and middle spheroid is provided with gland, lower flange side is fixedly connected with center valve body with gland side by pin, lower flange opposite side is by screw one and gland fixing and locking, immediately below screw one position gland on by screw two by gland and center valve body fixing and locking, valve rod fire-protection ring is provided with from top to bottom between gland and valve rod, valve rod O shape is enclosed, valve rod radial bearing and thrust plane bearing, pedestal lower end face is connected by flat thrust ball bearing one with gland upper-end surface, fixed by key one between valve rod and valve spindle gland, described top flange dish and support, support and upper flange plate, valve rod and valve spindle gland, left and right valve body and center valve body are all by welding fixing and locking in addition.
2. directly buried type all-welded ball valve as claimed in claim 1, it is characterized in that, described valve rod lower end surface is provided with electrostatic spring and is connected with spheroid.
3. a kind of directly buried type all-welded ball valve as claimed in claim 1, is characterized in that, is provided with valve seat fire-protection ring and valve seat O shape is enclosed between described valve seat and spheroid.
4. directly buried type all-welded ball valve as claimed in claim 1, it is characterized in that, described support plate and left and right valve body are by support plate pin fixing and locking, be provided with spheroid radial bearing between support plate axial sides and spheroid axial sides, be provided with plane bearing between support plate transverse side and spheroid transverse side and adjust pad.
5. directly buried type all-welded ball valve as claimed in claim 1, is characterized in that, described upper flange plate and lower flange are by hex head bolt, elastic washer and hexagon nut fixing and locking.
6. a kind of directly buried type all-welded ball valve as claimed in claim 1, is characterized in that, is provided with lower flange O shape and encloses between described lower flange and gland.
7. directly buried type all-welded ball valve as claimed in claim 1, is characterized in that, is provided with gland fire-protection ring and gland O shape circle between described gland and center valve body.
8. directly buried type all-welded ball valve as claimed in claim 1, it is characterized in that, described operator is connected by top cover with top flange dish, operator O shape circle is provided with between top cover and operator, top cover is by screw three and top flange dish fixing and locking, be provided with top cover O shape between top cover and top flange dish to enclose, between top cover lower end surface and pedestal upper end face, be lined with flat thrust ball bearing two.
9. directly buried type all-welded ball valve as claimed in claim 1, it is characterized in that, described operator is worm operation device, is provided with extension rod in worm operation device, and extension rod and worm operation device are by key two fixing and locking.
10. directly buried type all-welded ball valve as claimed in claim 1, is characterized in that, described top flange dish and operator are by Cock screw fixing and locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824186.8U CN204477363U (en) | 2014-12-15 | 2014-12-15 | Directly buried type all-welded ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824186.8U CN204477363U (en) | 2014-12-15 | 2014-12-15 | Directly buried type all-welded ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204477363U true CN204477363U (en) | 2015-07-15 |
Family
ID=53633155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420824186.8U Expired - Fee Related CN204477363U (en) | 2014-12-15 | 2014-12-15 | Directly buried type all-welded ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204477363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508645A (en) * | 2015-12-31 | 2016-04-20 | 宁波丰基特种阀门有限公司 | Ball valve assembly |
| CN107816638A (en) * | 2017-11-10 | 2018-03-20 | 中国石油大学(华东) | A kind of experimental provision and method suitable for buried gas pipe leakage measurement |
-
2014
- 2014-12-15 CN CN201420824186.8U patent/CN204477363U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508645A (en) * | 2015-12-31 | 2016-04-20 | 宁波丰基特种阀门有限公司 | Ball valve assembly |
| CN107816638A (en) * | 2017-11-10 | 2018-03-20 | 中国石油大学(华东) | A kind of experimental provision and method suitable for buried gas pipe leakage measurement |
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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: 20150715 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |