CN205896277U - Three -way ball valve - Google Patents
Three -way ball valve Download PDFInfo
- Publication number
- CN205896277U CN205896277U CN201620859499.6U CN201620859499U CN205896277U CN 205896277 U CN205896277 U CN 205896277U CN 201620859499 U CN201620859499 U CN 201620859499U CN 205896277 U CN205896277 U CN 205896277U
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- Prior art keywords
- runner
- valve
- spheroid
- valve body
- ball valve
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Abstract
The utility model relates to a three -way ball valve. Mainly solved current three -way ball valve exist the circulation poor when opening and close the big problem of moment of torsion. A three -way ball valve, it includes valve body, spheroid, disk seat and valve rod, valve body inside sets up for the cavity structure, the transverse section of valve body is the setting of T type structure, be provided with the A runner on the valve body, the B runner, the C runner, the rear side of valve body still be provided with with the blowdown portion of C runner axial lead on same water flat line, still be provided with interconnect's a valve seat sleeve and a lock ring in the C runner, the A runner, the B runner, blowdown portion and valve seat sleeve's inboard all is provided with the annular groove, be equipped with the disk seat of mutually supporting with the spheroid in the annular groove, the disk seat front end is provided with the inclined plane, the central point department on inclined plane is tangent with spheroidal cambered surface. This three -way ball valve's simple structure is reasonable, and practical simple, the circulation is good, and the moment of torsion is little, long service life, and the security is high, and low cost easily promotes.
Description
Technical field
This utility model is related to three-way valve technical field and in particular to a kind of tee ball valve.
Background technology
Tee ball valve is a kind of relatively new type ball valve classification, and it has some exclusive superioritys of self structure, extensively
General oil, chemical industry, urban water supply and sewerage etc. of being applied to requires the strict operating mode cut off.The operation principle of tee ball valve is by rotary valve
Core control valve is cutting off, to distribute and to change the flow direction of medium.Ball valve switch is light, small volume, can make very big mouth
Footpath, sealed reliable, structure is simple, easy to maintenance, and sealing surface and sphere, often in closure state, are difficult by medium erosion, in each row
Industry is widely used.
But the tee ball valve producing in the market, exist ball valve circulation poor and open and close ball valve when moment of torsion
Larger problem.Thus, existing tee ball valve is improved and is very important.
Utility model content
In order to overcome the shortcomings of background technology, this utility model provides a kind of tee ball valve, mainly solves existing three
Pass ball valve exist circulation difference and open and close when the big problem of moment of torsion, this tee ball valve simple and reasonable, before valve seat
The central point mode tangent with spheroid cambered surface on end inclined-plane, makes the contact from point to surface of sealing surface that spheroid formed with valve seat, enters
And reduce moment of torsion, make simultaneously spheroid cylindrical constant in the case of endoporus aperture increase, further increase the circulation of ball valve
Can, substantially increase the overall performance of tee ball valve, practical simple, circulation is good, and moment of torsion is little, and long service life is safe,
With low cost it is easy to promote.
This utility model be the technical scheme is that a kind of tee ball valve, and it includes valve body, spheroid, valve seat and valve rod,
Described valve inner is arranged for cavity structure, and the lateral cross section of valve body is in t type structure setting, and valve body is provided with a runner, b stream
Road, c runner, the rear side of valve body is additionally provided with the blowdown portion in the same horizontal line with c runner axial line, also sets up in c runner
There are interconnective valve seat set and bracing ring, a runner, the inner side of b runner, blowdown portion and valve seat set are provided with annular groove,
It is provided with the valve seat cooperating with spheroid, valve seat front end is provided with inclined-plane, the central spot on inclined-plane and spheroid in annular groove
Cambered surface is tangent, and valve seat covers cylindrical place and is provided with least one o shape circle, is provided with sealing gasket, valve body between valve seat set and bracing ring
Including the left valve barrel being mutually permanently connected by screw and sealing ring and right valve barrel, left valve barrel and right valve barrel are provided with installation
Screwed hole；Described sealing gasket and sealing ring are rolled by the rubber strip spiral of strip and form, and sealing gasket and sealing ring are additionally provided with
Seal coating with Ludox as material；The axial line of described a runner and described b runner in the same horizontal line, and a runner and
The axial line of b runner is mutually perpendicular to described c runner, and a runner, b runner are identical with the caliber size of the flow channel entry point of c runner；
The thickness of described protective layer is preferentially set to 0.4mm, and protective layer is made up of ceramic metal material；Described spheroid is located at described sky
In cavity configuration, spheroid upper end is provided with the valve rod groove being fixedly connected with described valve rod, is provided with the endoporus of t shape in spheroid；Described
It is provided with valve rod installation position, described valve rod is interspersed to be arranged in valve rod installation position, and valve rod is provided with thrust washer on the upside of valve body,
Valve rod is filled with airtight and watertight padding in installation position；Described valve rod upper end is arranged with gland, and gland is passed through with described valve body
Bolt is mutually permanently connected, and gland lower end is additionally provided with the gland projection cooperating with described valve rod installation position, gland
Raised is integral type structure setting with gland, and gland is raised and described airtight and watertight padding is connected with each other；Described airtight and watertight padding material
Matter is set to politef.
The beneficial effects of the utility model are: due to taking technique scheme, this tee ball valve simple and reasonable,
By way of the central point on valve seat front end inclined-plane and spheroid cambered surface are tangent, make the sealing surface that spheroid is formed with valve seat from point to surface
Contact, and then reduce moment of torsion, make simultaneously spheroid cylindrical constant in the case of the aperture of endoporus increase, further increase ball valve
Trafficability performance, substantially increase the overall performance of tee ball valve, practical simple, circulation is good, and moment of torsion is little, long service life,
Safe, with low cost it is easy to promote.
Brief description
Fig. 1 is longitudinal profile schematic diagram of the present utility model.
Fig. 2 is horizontal section schematic diagram of the present utility model.
Fig. 3 is the partial enlarged drawing at i in Fig. 2.
In figure 1, spheroid；2nd, valve seat；3rd, valve rod；4th, a runner；5th, b runner；6th, c runner；7th, blowdown portion；8th, valve seat set；9、
Bracing ring；10th, inclined-plane；11st, o shape circle；12nd, sealing gasket；13rd, screw；14th, sealing ring；15th, left valve barrel；16th, right valve barrel；17th, pacify
Dress screwed hole；18th, endoporus；19th, thrust washer；20th, airtight and watertight padding；21st, gland；22nd, bolt；23rd, gland is raised.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model embodiment is described further:
As shown in Fig. 1 to Fig. 3, a kind of tee ball valve, it includes valve body, spheroid 1, valve seat 2 and valve rod 3, in described valve body
Portion is arranged for cavity structure, and the lateral cross section of valve body is in t type structure setting, and valve body is provided with a runner 4, b runner 5, c runner
6, the rear side of valve body is additionally provided with the blowdown portion 7 in the same horizontal line with c runner 6 axial line, and blowdown portion 7 is used for tying cavity
In gap between structure and spheroid 1 impurity such as solid particle remove and all discharge it is ensured that cavity structure and spheroid 1 surface clear
Clean, it is additionally provided with interconnective valve seat set 8 and bracing ring 9, a runner 4, b runner 5, blowdown portion 7 and valve seat set 8 in c runner 6
Inner side be provided with annular groove, be provided with the valve seat 2 cooperating with spheroid 1 in annular groove, using four sides setting valve seat 2
Mode, makes spheroid 1 stress balance it is ensured that the reliability of sealing, valve seat 2 front end is provided with inclined-plane 10, the central spot on inclined-plane 10
Tangent with the cambered surface of spheroid 1, the inclined-plane 10 on valve seat 2 forms a sealing surface with spheroid 1 contact position, and sealing surface is from point to surface
The way of contact, reduce tee ball valve moment of torsion, simultaneously can ensure airtight in the case of increase spheroid 1 in endoporus 18 hole
Footpath, improves trafficability performance, and valve seat covers 8 cylindrical places and is provided with least one o shape circle 11, is provided between valve seat set 8 and bracing ring 9
For the sealing gasket 12 of sealing, valve body includes left valve barrel 15 and the right valve barrel being mutually permanently connected by screw 13 and sealing ring 14
16, left valve barrel 15 and right valve barrel 16 are provided with the installation screwed hole 17 for installing tee ball valve.
Described sealing gasket 12 and sealing ring 14 are rolled by the rubber strip spiral of strip and form, and sealing gasket and sealing ring also set
It is equipped with the seal coating with Ludox as material.
The axial line of described a runner 4 and described b runner 5 in the same horizontal line, and the axial line of a runner 4 and b runner 5
It is mutually perpendicular to described c runner 6, a runner 4, b runner 5 are identical with the caliber size of the flow channel entry point of c runner 6.
The thickness of described protective layer is preferentially set to 0.4mm, and protective layer is made up of ceramic metal material, and protective layer can carry
The wearability of high spheroid and corrosion resistance.
Described spheroid 1 is located in described cavity structure, and spheroid 1 upper end is provided with the valve rod being fixedly connected with described valve rod 3
Groove, is provided with the endoporus 18 of t shape in spheroid 1.
It is provided with valve rod installation position 19, described valve rod 3 is interspersed to be arranged in valve rod installation position 19, valve rod on the upside of described valve body
It is provided with thrust washer 20 on 3, the effect that thrust washer 20 can play sealing function and prevent valve rod 3 from flying out, valve rod installation position
It is filled with airtight and watertight padding 20, airtight and watertight padding 20 ensures the sealing of tee ball valve in 19.
Described valve rod 3 upper end is arranged with gland 21, and gland 21 is interfixed by bolt 22 with described valve body
Connect, gland 21 lower end is additionally provided with the gland projection 23 cooperating with described valve rod installation position 19, gland projection 23
It is integral type structure setting with gland 21, gland raised 23 is connected with each other with described airtight and watertight padding 20.
Described airtight and watertight padding 20 material is set to politef.
This tee ball valve simple and reasonable, the central point by valve seat 2 front end inclined-plane 10 is tangent with spheroid 1 cambered surface
Mode, makes the contact from point to surface of sealing surface that spheroid 1 formed with valve seat 2, and then reduces moment of torsion, make spheroid 1 cylindrical simultaneously
In the case of constant, the aperture of endoporus 18 increases, and further increases the trafficability performance of ball valve, substantially increases the whole of tee ball valve
Body performance, practical simple, circulation is good, and moment of torsion is little, and long service life is safe, with low cost it is easy to promote.
Every technical staff's notice: although this utility model describes according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that utility model, the repacking of any utilization inventive concept, all will include this specially
In sharp scope of patent protection.
Claims (8)
1. a kind of tee ball valve it is characterised in that: include valve body, spheroid, valve seat and valve rod, described valve inner is cavity structure
Setting, the lateral cross section of valve body is in t type structure setting, valve body is provided with a runner, b runner, c runner, the rear side of valve body also sets
It is equipped with the blowdown portion in the same horizontal line with c runner axial line, be additionally provided with interconnective valve seat set in c runner and support
Circle, a runner, the inner side of b runner, blowdown portion and valve seat set are provided with annular groove, are provided with mutual with spheroid in annular groove
The valve seat of cooperation, valve seat front end is provided with inclined-plane, and the central spot on inclined-plane is tangent with the cambered surface of spheroid, the setting of valve seat set cylindrical place
There is at least one o shape circle, be provided with sealing gasket between valve seat set and bracing ring, outer surface of spheroid arranges matcoveredn, valve body bag
Include the left valve barrel being mutually permanently connected by screw and sealing ring and right valve barrel, left valve barrel and right valve barrel are provided with installation spiral shell
Pit.
2. a kind of tee ball valve according to claim 1 it is characterised in that: described sealing gasket and sealing ring are by the rubber of strip
Adhesive tape spiral rolls and forms, and sealing gasket and sealing ring are additionally provided with the seal coating with Ludox as material.
3. a kind of tee ball valve according to claim 1 it is characterised in that: the axial line of described a runner and described b runner
In the same horizontal line, and the axial line of a runner and b runner is mutually perpendicular to described c runner, a runner, b runner and c runner
The caliber size of flow channel entry point is identical.
4. a kind of tee ball valve according to claim 1 it is characterised in that: the thickness of described protective layer is preferentially set to
0.4mm, and protective layer is made up of ceramic metal material.
5. a kind of tee ball valve according to claim 1 it is characterised in that: described spheroid be located at described cavity structure in,
Spheroid upper end is provided with the valve rod groove being fixedly connected with described valve rod, is provided with the endoporus of t shape in spheroid.
6. a kind of tee ball valve according to claim 5 it is characterised in that: be provided with the upside of described valve body valve rod install
Position, described valve rod is interspersed to be arranged in valve rod installation position, valve rod is provided with thrust washer, valve rod is filled with sealing in installation position
Filler.
7. a kind of tee ball valve according to claim 6 it is characterised in that: described valve rod upper end is arranged with gland,
Gland is mutually permanently connected by bolt with described valve body, and gland lower end is additionally provided with and described valve rod installation position phase
Mutually the gland of cooperation is raised, and gland is raised to be integral type structure setting with gland, and gland is raised and described airtight and watertight padding phase
Connect.
8. a kind of tee ball valve according to claim 6 it is characterised in that: described airtight and watertight padding material is set to poly- tetrachloro
Ethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620859499.6U CN205896277U (en) | 2016-08-09 | 2016-08-09 | Three -way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620859499.6U CN205896277U (en) | 2016-08-09 | 2016-08-09 | Three -way ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896277U true CN205896277U (en) | 2017-01-18 |
Family
ID=57780979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620859499.6U Expired - Fee Related CN205896277U (en) | 2016-08-09 | 2016-08-09 | Three -way ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205896277U (en) |
-
2016
- 2016-08-09 CN CN201620859499.6U patent/CN205896277U/en not_active Expired - Fee Related
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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: 20170118 Termination date: 20190809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |