CN203604701U - Top-mounted adjusting and sealing ball valve - Google Patents
Top-mounted adjusting and sealing ball valve Download PDFInfo
- Publication number
- CN203604701U CN203604701U CN201320797840.6U CN201320797840U CN203604701U CN 203604701 U CN203604701 U CN 203604701U CN 201320797840 U CN201320797840 U CN 201320797840U CN 203604701 U CN203604701 U CN 203604701U
- Authority
- CN
- China
- Prior art keywords
- valve
- fluid passage
- sealing
- seat
- cap
- 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
Abstract
The utility model discloses a top-mounted adjusting and sealing ball valve. The top-mounted adjusting and sealing ball valve comprises a valve body. A fluid passage is arranged in the valve body. A valve rod passage is arranged on one side of the fluid passage. A valve rod is arranged in the valve rod passage. A sphere is arranged at the position, close to the valve rod passage, of the fluid passage. A sphere passage used for being communicated with the fluid passage is arranged in the sphere. One end, close to the fluid passage, of the valve rod is fixedly connected with the sphere. Sealing bases are arranged in the valve body. One side, close to the sphere, of each sealing base is provided with a valve base. One side, far from the sphere, of each sealing base is provided with an expansion sealing ring. One side, far from the corresponding sealing base, of each expansion sealing ring is provided with an adjusting locking nut which is matched with the inner sidewall of the valve body in a threaded mode. One end, far from the fluid passage, of the valve rod passage is provided with a valve deck. One end, far from the fluid passage, of the valve rod penetrates through the valve deck. The top-mounted adjusting and sealing ball valve is good in sealing effect and longer in service life.
Description
Technical field
The utility model relates to a kind of ball valve, is specifically related to a kind of upper dress formula adjusting type sealing ball valve.
Background technique
Ball valve is that a kind of utilization is made open-shut device with the spheroid of manhole, and spheroid rotates with valve rod, to realize the valve of open-shut device switching motion.Ball valve is mainly used in the stage or connects the flowing medium in pipeline, simultaneously also can be for the adjusting of fluid flow and control, and in addition, ball valve also can close arbitrary passage but two other passage is connected.In existing ball valve, be generally provided with sealing seat in order to the gap between fluid-encapsulated passage spheroid and valve body, simultaneously for valve seat provides mounting point, in the ball valve of prior art, sealing seat and valve body fluid passage madial wall generally adopt O type circle to seal, O type circle sealing effect is poor, after long-term use, O type circle easily damages inefficacy, causes the leakage of medium fluid, has shortened the working life of ball valve.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides the upper dress formula adjusting type sealing ball valve of a kind of good airproof performance, long service life.
To achieve these goals, the utility model has adopted technological scheme:,
Dress formula adjusting type sealing ball valve in one, comprise valve body, in valve body, be provided with fluid passage, one side of described fluid passage is provided with valve stem passage, in described valve stem passage, be provided with valve rod, described fluid passage is provided with spheroid by valve stem passage place, in described spheroid, be provided with the spheroid passage that forms fluid passage conducting, described valve rod is fixedly connected with described spheroid by one end of fluid passage, in described valve body, be provided with sealing seat, described sealing seat is provided with valve seat by a side of spheroid, described sealing seat is provided with Expansion sealing ring away from a side of spheroid, the side that described Expansion sealing ring deviates from sealing seat is provided with adjusting cap, described adjusting cap and described valve body madial wall screw-thread fit, described valve stem passage is provided with valve gap away from a side of fluid passage, described valve rod passes described valve gap away from one end of fluid passage.
As preferably, described sealing seat is provided with short slot away from the outer side wall of one end of valve seat, and described Expansion sealing ring is embedded in described short slot, the setting that offsets of described Expansion sealing ring and the inwall of fluid passage.Adopt after above-mentioned preferred version; arranging of short slot can be kept apart the medium in Expansion sealing ring and fluid passage; avoid Expansion sealing ring to be subject to the immersion of flowing medium and cause damage, effectively having protected Expansion sealing ring, can extend the working life of Expansion sealing ring.
As preferably, described adjusting cap are provided with and cap projection by the periphery edge, end, one end of Expansion sealing ring, described also cap projection and described adjusting cap end form and cap shoulder, described and cap projection stretches in described short slot, and with the setting that offsets of described Expansion sealing ring, described and cap shoulder and described sealing seat are by the also end, one end of the cap setting that offsets of adjusting, and described adjusting the madial wall of cap are provided with operation annular groove.Adopt after above-mentioned preferred version, and cap projection can seal the notch of short slot, further Expansion sealing ring and fluid passage in short slot be kept apart, effectively protect Expansion sealing ring; In addition, operator can utilize the adjustment of operation annular groove to regulate the also position of cap.
As preferably, described sealing seat is provided with valve seat groove by a side of valve seat, described valve seat is embedded in valve seat groove, described valve seat is the concave arc surface suitable with spheroid form towards a side of spheroid, described sealing seat outer side wall is provided with sealing seat external sealed groove, in described sealing seat external sealed groove, is provided with sealing seat exterior seal ring.Adopt after above-mentioned preferred version, the installation of valve seat is more firm, is not easy to come off, and the setting of sealing seat exterior seal ring, forms double seal with Expansion sealing ring, can make the outer side wall of sealing seat and the sealing of valve body fluid passage madial wall improve.
As preferably, described adjusting cap are provided with adpting flange away from a side of sealing seat, described adpting flange comprises flange plate, described flange plate is provided with connection ring body by a side of fluid passage, described connection ring body stretches in described fluid passage, described connection ring body and flange plate form flange boss, settings that offset of the end, one end that described fluid passage deviates from spheroid and described flange boss, and weld setting at both places of offseting.Adopt after above-mentioned preferred version, the weld of adpting flange and valve body is away from valve seat and Sealing, and the high temperature of weld can not damage valve seat and Sealing.
As preferably, described valve gap comprises valve gap plate body, described valve gap plate body is provided with the valve gap ring body extending towards direction of fluid by a side of fluid passage, described valve gap ring body stretches in described valve stem passage, described valve gap ring body and described valve gap plate body joining place outside form valve gap boss, described valve stem passage offsets by a side end of valve gap and described valve gap boss, and is welded to connect at both places of offseting.Adopt after above-mentioned preferred version, the weld between valve gap and valve body is away from valve seat and Sealing, and the high temperature of weld can not damage valve seat and Sealing.
As preferably, described valve rod passes valve gap place and is provided with filler device, described valve rod passes filler device, described valve rod passes filler device place and is provided with operation equipment, described operation equipment comprises operation handwheel, described filler device comprises Gland, described valve gap and Gland be corresponding goes out to be provided with filler, described Gland and filler compression fit, between described Gland and described operation handwheel, be provided with location piece, described operator wheel is set on described valve rod, and takes turns sheathed valve rod place at operator and be provided with locking nut.Adopt after above-mentioned preferred version, arranging of operation equipment facilitates operator to operate valve rod, more convenient.
As preferably, described valve gap coordinates with valve seal.Adopt after above-mentioned preferred version the better tightness of valve gap and valve body.
The working life of upper dress formula adjusting type sealing ball valve good sealing effect of the present utility model, valve is better.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Embodiment
As Figure 1-Figure 2, embodiment of the present utility model is a kind of upper dress formula adjusting type sealing ball valve specifically, comprises valve body 1, is provided with fluid passage 11 in valve body 1, and a side of fluid passage 11 is provided with valve stem passage 12.In valve stem passage 12, be provided with valve rod 2, fluid passage 11 is provided with spheroid 3 by valve stem passage 12 places.In spheroid 3, be provided with the spheroid passage 31 that forms fluid passage 11 conductings, valve rod 2 is fixedly connected with spheroid 3 by one end of fluid passage 11.In valve body 1, be provided with sealing seat 4.Sealing seat 4 is provided with valve seat 41 by a side of spheroid.Sealing seat 4 is provided with Expansion sealing ring 42 away from a side of spheroid 3.The side that Expansion sealing ring 42 deviates from sealing seat 4 is provided with adjusting cap 43.Regulate and cap 43 and valve body 1 madial wall screw-thread fit.Valve stem passage 12 is provided with valve gap 5 away from a side of fluid passage 11.Valve rod 2 passes valve gap 5 away from one end of fluid passage 11.
Regulate also cap 43 to be provided with adpting flange 6 away from a side of sealing seat 4, adpting flange 6 comprises flange plate 61, and flange plate 61 is provided with and connects ring body 62 by a side of fluid passage 11.Connect ring body 62 and stretch in fluid passage 11, connect ring body 62 and form flange boss 63 with flange plate 61.Fluid passage 11 deviates from the setting that offsets of the end, one end of spheroid 3 and flange boss 63, and arranges in both places' of offseting welding.
The working principle of the working principle of upper dress formula adjusting type sealing ball valve of the present utility model and the ball valve of prior art is basic identical, difference is: Expansion sealing ring 42 of the present utility model can produce and expand under the active force of medium fluid, makes the better tightness of fluid passage 11.
Claims (8)
1. a upper dress formula adjusting type sealing ball valve, comprise valve body, in valve body, be provided with fluid passage, one side of described fluid passage is provided with valve stem passage, in described valve stem passage, be provided with valve rod, described fluid passage is provided with spheroid by valve stem passage place, in described spheroid, be provided with the spheroid passage that forms fluid passage conducting, described valve rod is fixedly connected with described spheroid by one end of fluid passage, it is characterized in that: in described valve body, be provided with sealing seat, described sealing seat is provided with valve seat by a side of spheroid, described sealing seat is provided with Expansion sealing ring away from a side of spheroid, the side that described Expansion sealing ring deviates from sealing seat is provided with adjusting cap, described adjusting cap and described valve body madial wall screw-thread fit, described valve stem passage is provided with valve gap away from a side of fluid passage, described valve rod passes described valve gap away from one end of fluid passage.
2. upper dress formula adjusting type sealing ball valve according to claim 1, it is characterized in that: described sealing seat is provided with short slot away from the outer side wall of one end of valve seat, described Expansion sealing ring is embedded in described short slot, the setting that offsets of described Expansion sealing ring and the inwall of fluid passage.
3. upper dress formula adjusting type sealing ball valve according to claim 2, it is characterized in that: described adjusting cap are provided with and cap projection by the periphery edge, end, one end of Expansion sealing ring, described also cap projection and described adjusting cap end form and cap shoulder, described and cap projection stretches in described short slot, and with the setting that offsets of described Expansion sealing ring, described and cap shoulder and described sealing seat are by the also end, one end of the cap setting that offsets of adjusting, and described adjusting the madial wall of cap are provided with operation annular groove.
4. according to the upper dress formula adjusting type sealing ball valve described in claim 1 or 2 or 3, it is characterized in that: described sealing seat is provided with valve seat groove by a side of valve seat, described valve seat is embedded in valve seat groove, described valve seat is the concave arc surface suitable with spheroid form towards a side of spheroid, described sealing seat outer side wall is provided with sealing seat external sealed groove, in described sealing seat external sealed groove, is provided with sealing seat exterior seal ring.
5. upper dress formula adjusting type sealing ball valve according to claim 1, it is characterized in that: described adjusting cap are provided with adpting flange away from a side of sealing seat, described adpting flange comprises flange plate, described flange plate is provided with connection ring body by a side of fluid passage, described connection ring body stretches in described fluid passage, described connection ring body and flange plate form flange boss, described fluid passage deviates from the setting that offsets of the end, one end of spheroid and described flange boss, and arranges in both places' of offseting welding.
6. upper dress formula adjusting type sealing ball valve according to claim 1, it is characterized in that: described valve gap comprises valve gap plate body, described valve gap plate body is provided with the valve gap ring body extending towards direction of fluid by a side of fluid passage, described valve gap ring body stretches in described valve stem passage, described valve gap ring body and described valve gap plate body joining place outside form valve gap boss, described valve stem passage offsets by a side end of valve gap and described valve gap boss, and is welded to connect at both places of offseting.
7. upper dress formula adjusting type sealing ball valve according to claim 6, it is characterized in that: described valve rod passes valve gap place and is provided with filler device, described valve rod passes filler device, described valve rod passes filler device place and is provided with operation equipment, described operation equipment comprises operation handwheel, described filler device comprises Gland, described valve gap and Gland be corresponding goes out to be provided with filler, described Gland and filler compression fit, between described Gland and described operation handwheel, be provided with location piece, described operator wheel is set on described valve rod, and take turns sheathed valve rod place at operator and be provided with locking nut.
8. upper dress formula adjusting type sealing ball valve according to claim 1, is characterized in that: described valve gap coordinates with valve seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797840.6U CN203604701U (en) | 2013-12-05 | 2013-12-05 | Top-mounted adjusting and sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797840.6U CN203604701U (en) | 2013-12-05 | 2013-12-05 | Top-mounted adjusting and sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604701U true CN203604701U (en) | 2014-05-21 |
Family
ID=50717375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797840.6U Expired - Fee Related CN203604701U (en) | 2013-12-05 | 2013-12-05 | Top-mounted adjusting and sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604701U (en) |
-
2013
- 2013-12-05 CN CN201320797840.6U patent/CN203604701U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203604701U (en) | Top-mounted adjusting and sealing ball valve | |
| CN203604702U (en) | Full-welding top-assembling-type floating ball valve | |
| CN203604700U (en) | Full-welding top-assembling-type fixed ball valve | |
| CN204004536U (en) | The three-flat ball valve that a kind of valve seat is adjustable | |
| CN203797061U (en) | Swing low temperature check valve | |
| CN105508770A (en) | Movable connecting structure for valve and pipe fitting | |
| CN203099165U (en) | Padding type telescopic joint | |
| CN203477358U (en) | Self-sealing high-pressure steam control valve | |
| CN203604699U (en) | Full-welding integrated ball valve | |
| CN203560496U (en) | High-pressure sealing integrated ball valve | |
| CN207333789U (en) | A kind of valve being easy for installation and maintenance | |
| CN205745317U (en) | A kind of power plant three-way control valve | |
| CN205745426U (en) | A kind of heavy caliber heat supply all-welded ball valve | |
| CN203488817U (en) | Welded and fixed ball valve | |
| CN205745410U (en) | Full welding smithwelding ball valve | |
| CN203560497U (en) | Top-entry type fixed ball valve | |
| CN204114215U (en) | Piston type valve seat sealing ball valve | |
| CN203940064U (en) | A kind of combination modulating valve | |
| CN205937949U (en) | Take monolith support's ball valve that valve rod blew off of preventing | |
| CN203809738U (en) | All-welded underwater valve | |
| CN203892574U (en) | Angle type static balancing valve | |
| CN205745406U (en) | A kind of welding ball valve | |
| CN203770665U (en) | Internal pressure self-tightening sealing steam valve | |
| CN202834095U (en) | Stop valve | |
| CN205331464U (en) | Valve rod and novel connection structure's of valve clack corrugated tube stop valve for ammonia |
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: 20140521 Termination date: 20171205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |