CN202708165U - Ultrathin ball valve with valve cover for sealing - Google Patents
Ultrathin ball valve with valve cover for sealing Download PDFInfo
- Publication number
- CN202708165U CN202708165U CN 201220337099 CN201220337099U CN202708165U CN 202708165 U CN202708165 U CN 202708165U CN 201220337099 CN201220337099 CN 201220337099 CN 201220337099 U CN201220337099 U CN 201220337099U CN 202708165 U CN202708165 U CN 202708165U
- Authority
- CN
- China
- Prior art keywords
- valve
- hole
- valve gap
- gap
- valve cover
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses an ultrathin ball valve with a valve cover for sealing. The ultrathin ball valve comprises a valve body, a valve cover, a through hole ball, a valve rod and a wrench, wherein a valve cavity is encircled by the valve body and the valve cover; the through hole ball is located in the valve cavity; the top of the valve body comprises a valve rod hole; the valve rod passes through the valve rod hole; the bottom of the valve rod is connected with the top of the through hole ball; the wrench is connected with the top of the valve rod; a lateral surface of the valve body comprises a valve cover hole; the valve cover is located in the valve cover hole; a sealing ring is arranged between the valve cover and the valve cover hole; the sealing ring can be located in a groove of a wall of the valve cover hole as well as in the groove of the lateral surface of the valve cover; the quantity of the sealing ring can be multiple; furthermore, the sealing ring comprises an O-shaped sealing ring and a check ring; and the valve cover and the valve body are screwed through a thread. The ultrathin ball valve has a simple structure; the sealing ring between the valve cover and the valve cover hole has a sealing effect and can prevent the valve cover from falling during the mounting process of the valve; and the construction is convenient.
Description
Technical field
The utility model relates to a kind of ultra-thin ball valve.
Background technique
Ball valve is widely used in industries such as petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, iron and steel.Ultra-thin ball valve is a kind of flanged ball valve, compact structure.Valve gap is an important structure of ultra-thin ball valve, and valve gap is corresponding to the valve cover hole of valve body, and valve cover hole is used for the opening of mounting ball valve inner body.After the part installation of inside, at valve cover hole valve gap is installed, airtight valve body.In the prior art, valve gap is all pressed into, the sealing of valve body by and valve body between flange plate realize, and can guarantee that by the pressure of pipeline valve gap does not come off.But there are two problems in this situation: one, the special sealing of flange plate needs; The 2nd, can't avoid that valve gap comes off when pipeline mounting construction.
Summary of the invention
Problem to be solved in the utility model is:
1, the sealability of valve gap;
2, for avoiding valve gap to come off.
For addressing the above problem, scheme of the present invention is:
A kind of ultra-thin ball valve of valve gap band sealing comprises valve body, valve gap, through hole spheroid, valve rod, spanner.Valve body and valve gap surround valve pocket, and the through hole spheroid is positioned at valve pocket.The valve body top comprises valve rod hole, and valve rod passes valve rod hole, and the bottom of valve rod links to each other with through hole spheroid top, and the valve rod top connects spanner.The side of valve body comprises valve cover hole, and valve gap is installed on and is positioned at valve cover hole.Comprise seal ring between valve gap and the valve cover hole.The sealing circle can be positioned at the groove of valve gap side, also can be positioned at the groove of valve gap hole wall.Seal ring between valve gap and the valve cover hole can have twice.
Further, seal ring comprises O-ring seals and ring washer.
Further again, valve gap comprises outside thread, and valve cover hole comprises internal thread, screws up by screw thread between valve gap and the valve body.The outside that is positioned at valve body of valve gap comprises the bolt tieholen, and the bolt tieholen is used as the Point of Strength when screwing up the valve gap valve body, can make things convenient for screwing up of valve gap valve body.
The beneficial effects of the utility model comprise:
1, owing to the expansion fixation of seal ring, after valve gap is installed on the valve body, is not easy to come off.
2, guarantee that valve body has extraordinary sealability.
3, the mode that screws up of screw thread is so that during the ball valve assembling, valve gap is installed more convenient, avoids coming off of valve gap simultaneously when the installation of ball valve.
4, the utility model is simple in structure, easily produces.
Description of drawings
Fig. 1 is the utility model embodiment 1 internal structure schematic diagram.Among the figure, 1 is valve body, and 2 is valve gap, and 3 is the through hole spheroid, and 4 is valve rod, and 5 is spanner, and 6 is valve pocket, and 7 is valve rod hole, and 8 is valve cover hole, and 33 is seal groove, and 30 is seal ring.Seal groove is positioned at the valve gap hole wall among the figure.
Fig. 2 is perspective view of the present utility model.Among the figure, 1 is valve body, and 2 is valve gap, and 3 is the through hole spheroid, and 5 is spanner, and 9 is through hole, and 22 for fastening the hole.
Fig. 3 is the perspective view of valve gap of the present utility model.Among the figure, 2 is valve gap, and 9 is through hole, and 10 is the stuffing box of the ring on the valve gap.
Fig. 4 is the utility model embodiment 2 internal structure schematic diagram.Among the figure, 1 is valve body, and 2 is valve gap, and 3 is the through hole spheroid, and 4 is valve rod, and 5 is spanner, and 6 is valve pocket, and 7 is valve rod hole, and 8 is valve cover hole, and 33 is seal groove, and 30 is seal ring.Seal groove is positioned at the valve gap side among the figure.
Fig. 5 is the utility model embodiment 3 internal structure schematic diagram.30 is seal ring among the figure, and 33 is seal groove.
Fig. 6 is the structural representation after the utility model embodiment 4 the seal groove 33 interior amplifications.Wherein, 31 is O-ring seals, and 32 is back-up ring.
Fig. 7 is the utility model embodiment 5 internal structure schematic diagram.20 is internal thread on the valve cover hole among the figure, and 21 is the outside thread on the valve gap side, and between valve gap hole wall and the valve gap, the seal groove that is used for installing seal ring is positioned at the valve gap hole wall.
Fig. 8 is the utility model embodiment 6 internal structure schematic diagram.20 is internal thread on the valve cover hole among the figure, and 21 is the outside thread on the valve gap side, and between valve gap hole wall and the valve gap, the seal groove that is used for installing seal ring is positioned at the valve gap side.
Fig. 9 is that to fasten hole number on the utility model valve gap be to be respectively 0,2,3 or 4 front view.Among the figure 2, be valve gap, 9 is through hole, and 22 for fastening the hole.Wherein, A is not for comprising that the situation that fastens the hole, B are that to fasten hole number be 2 o'clock situation, and C is that to fasten hole number be 3 o'clock situation, and D is that to fasten hole number be 4 situation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, the threaded ultra-thin ball valve of a kind of valve gap comprises valve body 1, valve gap 2, through hole spheroid 3, valve rod 4, spanner 5.Valve body 1 and valve gap 2 surround valve pocket 6, and through hole spheroid 3 is installed in the valve pocket 6, comprise sealing seat between through hole spheroid 3 and the valve body 1.Sealing seat is ring bodies, is installed in the stuffing box of circle of valve body 1.Also comprise sealing seat between valve gap 2 and the through hole spheroid 3.Sealing seat is ring bodies, is installed in the stuffing box 10 of ring of valve gap 2.Ring stuffing box 10 on the valve gap 2, as shown in Figure 3.Sealing seat can be made by teflon or polyoxymethylene or other materials.Valve body 1 top comprises valve rod hole 7.Valve rod 4 passes valve rod hole 7, so that the bottom of valve rod 4 is in the inside of valve body 1, its top is in the outside of valve body 1.Valve rod hole 7 is cylindrical, and the bottom comprises groove, so that the wide mouth of the slightly wide formation of the diameter width of valve rod hole 7 bottoms.Valve rod 4, comprise the bottom bump and with the joint of through hole spheroid.The top of valve rod 4 connects spanner 5.Spanner 5 can rotate take valve rod 4 as axle, and the spanner 5 band ovable valve stems 4 of rotation rotate, and then change the direction of ball hole in valve pocket of through hole spheroid 3, thereby realize the open and close controlling of valve.The rotation of spanner 5 can also can be passed through electric controller by manually-operable.The side of valve body 1 comprises valve cover hole 8.Valve cover hole 8 is as the opening of mounting ball valve inner body.Valve gap 2 is installed in the valve cover hole 8, is used for sealed valve cap hole 8.The structure of valve gap 2 such as Fig. 3, shown in Figure 9, the centre is through hole 9, its front view is circular.
As shown in Figure 1, comprise seal groove 33 on the valve gap hole wall, comprise seal ring 30 in the seal groove 33.
Embodiment 2
With reference to embodiment 1, as shown in Figure 4, comprise seal groove 33 on the valve gap side, comprise seal ring 30 in the seal groove 33.
Embodiment 3
With reference to embodiment 1, as shown in Figure 5, comprise two seals groove 23 between valve gap side and the valve gap hole wall, wherein a road sealing groove is positioned at the valve gap side, and another road sealing groove is positioned on the valve gap hole wall.Comprise seal ring in the seal groove 23.Certainly, skilled in the art will recognize that the two seals groove all is positioned at the valve gap hole wall or the valve gap side also all is no problem.
Embodiment 4
With reference to embodiment 1 and 2.On embodiment 1 or embodiment's 2 basis, further, as shown in Figure 6, in the seal groove 33, seal ring 30 is comprised of O-ring seals 31 and back-up ring 32.Wherein O-ring seals 31 can have rubber or other elastic materials to make.Back-up ring 32 can be made by teflon or other materials.The seal ring 30 that O-ring seals 31 and back-up ring 32 forms can avoid under the effect of pressure O-ring seals to be squeezed into the gap of low voltage side, and so that O-ring seals keeps original sealing effect, thereby improve the O-ring seals range of working pressure.
With reference to embodiment 1.On embodiment 1 basis, seal ring is positioned at the groove of valve gap hole wall, further, as shown in Figure 7, include internal thread 20 on the sidewall of valve cover hole 8, valve gap 2 comprises outside thread 21, and valve gap 2 and valve body 1 screw up by the internal thread 20 of valve cover hole 8 and the outside thread 21 on the valve gap 2.
Embodiment 6
With reference to embodiment 2.On embodiment 2 basis, seal ring is positioned at the groove of valve gap side, further, as shown in Figure 8, include internal thread 20 on the sidewall of valve cover hole 8, valve gap 2 comprises outside thread 21, and valve gap 2 and valve body 1 screw up by the internal thread 20 of valve cover hole 8 and the outside thread 21 on the valve gap 2.
Embodiment 7
With reference to embodiment 5 and 6.On the basis of embodiment 5 or 6, further, as shown in Figure 3, the outside that is positioned at valve body 1 of valve gap 2 comprises bolt tieholen 22, fasten the hole and be positioned at valve gap 2, with respect to the outside of valve body 1, be used as Point of Strength when screwing up valve gap 2 valve body 1 at the bolt tieholen 22 of valve gap 2, can make things convenient for screwing up of valve gap 2 valve bodies 1.As shown in Figure 9, the quantity of the bolt tieholen 22 on the valve gap can be 2 or 3 or 4.
Claims (9)
1. the ultra-thin ball valve of a valve gap band sealing comprises valve body (1), valve gap (2), through hole spheroid (3), valve rod (4), spanner (5); Valve body (1) and valve gap (2) surround valve pocket (6), and through hole spheroid (3) is positioned at valve pocket (6); Valve body (1) top comprises valve rod hole (7), and valve rod (4) passes valve rod hole (7), and the bottom of valve rod (4) links to each other with through hole spheroid (3) top, and valve rod (4) top connects spanner (5); The side of valve body (1) comprises valve cover hole (8), and valve gap (2) is positioned at valve cover hole (8); It is characterized in that, comprise seal ring (30) between described valve gap (2) and valve cover hole (7) wall.
2. the ultra-thin ball valve of valve gap band sealing as claimed in claim 1 is characterized in that, described seal ring (30) is positioned at the groove of valve cover hole (8) wall.
3. the ultra-thin ball valve of valve gap band sealing as claimed in claim 1 is characterized in that, described seal ring (30) is positioned at the groove of valve gap (2) side.
4. such as the ultra-thin ball valve of each described valve gap band sealing of claims 1 to 3, it is characterized in that, the seal ring (30) between described valve gap (2) and the valve cover hole (8) has two.
5. such as the ultra-thin ball valve of each described valve gap band sealing of claims 1 to 3, it is characterized in that, described seal ring (9) comprises O-ring seals (31) and back-up ring (32).
6. the ultra-thin ball valve that seals such as each described valve gap band of claims 1 to 3, it is characterized in that, described valve gap (2) comprises outside thread (20), described valve cover hole (8) comprises internal thread (21), and described valve gap (2) and valve body (1) screw up by screw thread.
7. the ultra-thin ball valve of valve gap band as claimed in claim 5 sealing, it is characterized in that, described valve gap (2) comprises outside thread (20), and described valve cover hole (8) comprises internal thread (21), and described valve gap (2) and valve body (1) screw up by screw thread.
8. the ultra-thin ball valve of valve gap band sealing as claimed in claim 7 is characterized in that, comprises outside the described valve gap (2) fastening hole (22).
9. the ultra-thin ball valve of valve gap band sealing as claimed in claim 8 is characterized in that, the described hole (22) that fastens has 2 or 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337099 CN202708165U (en) | 2012-07-12 | 2012-07-12 | Ultrathin ball valve with valve cover for sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337099 CN202708165U (en) | 2012-07-12 | 2012-07-12 | Ultrathin ball valve with valve cover for sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708165U true CN202708165U (en) | 2013-01-30 |
Family
ID=47588471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220337099 Expired - Fee Related CN202708165U (en) | 2012-07-12 | 2012-07-12 | Ultrathin ball valve with valve cover for sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202708165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468370A (en) * | 2015-08-21 | 2017-03-01 | 上海电气电站设备有限公司 | Double-deck valve gap for hoisting type valve |
-
2012
- 2012-07-12 CN CN 201220337099 patent/CN202708165U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468370A (en) * | 2015-08-21 | 2017-03-01 | 上海电气电站设备有限公司 | Double-deck valve gap for hoisting type valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203309102U (en) | Oil sleeve external-pressure collapse test sealing device | |
| CN202708165U (en) | Ultrathin ball valve with valve cover for sealing | |
| CN205504251U (en) | Pressurization connects | |
| CN203948672U (en) | A kind of Novel self sealing gate valve | |
| CN204004536U (en) | The three-flat ball valve that a kind of valve seat is adjustable | |
| CN202852041U (en) | Ultrathin ball valve with bonnet threaded | |
| CN204986111U (en) | Twist box -like novel flange | |
| CN207018557U (en) | One kind takes out rod type gate valve | |
| CN202790875U (en) | High-tightness gate valve | |
| CN207080669U (en) | A kind of effective carbon-dioxide pressure reducer | |
| CN207094047U (en) | Novel threaded plug | |
| CN208580644U (en) | A kind of built-in type of respiration metal expander | |
| CN201415611Y (en) | Sealing structure of oil filling port | |
| CN204253922U (en) | Tightly prevent the ball valve leaked outside | |
| CN205261071U (en) | Flange structure | |
| CN205315734U (en) | Three eccentric dish valves of bearing | |
| CN202597066U (en) | Pressing cover with sealing ring for static ring base | |
| CN204042064U (en) | External regulation type pretension ball valve | |
| CN204061937U (en) | Bidirectional pressure flange-type hard seal butterfly valve | |
| CN208237262U (en) | A kind of direction-adjustable sealed joint that hole countersunk is threadedly coupled | |
| CN206376800U (en) | A kind of Multifunction packing box for pumping well | |
| CN203297585U (en) | High-sealing gear case | |
| CN103953734A (en) | Angle type plunger valve | |
| CN102705590A (en) | Mounting structure for signal lines on box | |
| CN201851695U (en) | Threaded soft sealing PP-R single pipe loose-joint gate valve |
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: 20130130 Termination date: 20150712 |
|
| EXPY | Termination of patent right or utility model |