CN206299889U - The distraction-type ball valve of high intensity high sealing performance - Google Patents
The distraction-type ball valve of high intensity high sealing performance Download PDFInfo
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- CN206299889U CN206299889U CN201621333219.4U CN201621333219U CN206299889U CN 206299889 U CN206299889 U CN 206299889U CN 201621333219 U CN201621333219 U CN 201621333219U CN 206299889 U CN206299889 U CN 206299889U
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- valve
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- valve rod
- wedge
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Abstract
The utility model is related to a kind of distraction-type ball valve of high intensity high sealing performance, including valve body, bonnet, support, two are provided with valve body with bevelled sphere flap, two by T-slot between bevelled sphere flap with being movably set with wedge-type cone, wedge-type cone upper end connects upper valve rod, upper valve rod is connected gear-box through bonnet with after support, the lower end connection lower valve rod of wedge-type cone, lower valve rod is connected to valve body inner bottom part, the upper centring ring and lower centring ring for limiting sphere flap upper-lower position are additionally provided with valve body, it is lower that lower gasket is provided between centring ring and valve body.Positioned by setting the position that above centring ring can be easily to sphere flap with lower centring ring, prevent it from being risen or fallen with wedge-type cone, can only translated with wedge-type cone or rotary motion in a horizontal space.Compared with prior art, will not be worn and torn between the utility model flap and valve body sealing surface, sealing intensity is high, long service life.
Description
Technical field
The utility model is related to a kind of distraction-type ball valve, more particularly, to a kind of bracing type ball of high intensity high sealing performance
Valve.
Background technology
Current ball valve has been widely used in the fields such as oil, chemical industry, metallurgy, electric power, light industry, pharmacy.Bracing type ball
Valve is widely used with the superiority of its own, and it is developed according to the sealing principle of ball valve and gate valve, and it has circulation
Area is big, flow resistance is small, self-locking good anti-vibration, high temperature resistant, it is high pressure resistant the advantages of, but present most distraction-type ball valves are being opened
Easily there is wear phenomenon with during closing, shorten the service life of distraction-type ball valve.
Chinese patent notification number CN202834167U, discloses a kind of bracing type high-temp and-pressure ball valve, including valve body, valve
Seat, valve rod, spheroid, bonnet, bonnet, are installed on valve body, and spheroid is installed in valve body, and valve is provided between spheroid and valve body
Seat, valve rod is arranged in bonnet, and the lower end of valve rod is connected through bonnet, with the spheroid in valve body, the upper end installing of valve rod
There is the drive device for driving valve rod to rotate, spheroid is combined by valve element in one and both sides valve element, and middle valve element is narrow wide under being
Wedge structure, both sides valve element is symmetrically installed in the middle valve element left and right sides, and the end face that middle valve element is connected with side valve core is provided with swallow
Stern notch, side valve core is provided with the dovetail being adapted to dovetail groove on middle valve element, and middle valve element is affixed with valve rod, and valve seat is installed in side valve core
Between valve body.The distraction-type ball valve of this structure can realize that the opening and closing of valve are existing without abrasion to a certain extent
As, but it is stationarily connected in the helicla flute that the alignment pin on bonnet is directly connected on valve rod, alignment pin easily weares and teares spiral
Groove, so as to the situation for being driven failure occur.
Chinese patent notification number CN203532836U disclose a kind of bracing type without friction ball valve, it include valve body, bonnet,
Support, is provided with flap component in valve body, valve rod is connected on flap component, and valve rod is arranged in support, and the upper end connection of valve rod is driven
Dynamic device, rack side wall is provided with two guide slides being oppositely arranged, and two guide slides include interconnected spiral slide
Road and hoistway, guide slide are arranged on the lower section of spiral slide, and abrasionproof is removably connected with two guide slide side walls
Pad, is provided with guide finger between two guide slides, the equal slidable connection in two ends of guide finger in guide slide, guide finger and valve rod
It is fixedly connected.But flap component is up and down without spacing in above-mentioned patent, when valve rod is moved up and down, easily drives flap component
Move up and down, the friction between flap component and valve body sealing surface can be caused, influence the service life of ball valve.
Utility model content
The purpose of this utility model is exactly to provide a kind of flap and valve for the defect for overcoming above-mentioned prior art to exist
The distraction-type ball valve of the high intensity high sealing performance that will not be worn and torn between body sealing surface.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of distraction-type ball valve of high intensity high sealing performance, including valve body, the bonnet being connected on valve body, it is connected to valve
The support for covering, is provided with two with bevelled sphere flap in valve body, and two with passing through T between bevelled sphere flap
Shape groove is movably set with wedge-type cone, and the upper end connection upper valve rod of wedge-type cone, upper valve rod passes through tooth connection after bonnet and support
Roller box, the lower end connection lower valve rod of wedge-type cone, lower valve rod is connected to valve body inner bottom part, it is characterised in that in described valve body
The upper centring ring and lower centring ring for limiting sphere flap upper-lower position are additionally provided with, are set between described lower centring ring and valve body
There is lower gasket.Positioned by setting the position that above centring ring can be easily to sphere flap with lower centring ring, make it not
Can be risen or fallen with wedge-type cone, can only be translated with wedge-type cone or rotary motion in a horizontal space.
Described upper centring ring is circular ring, is pressed in sphere flap upper surface, and described sphere flap upper surface
With the rotation of the frictional force without prejudice to sphere flap between upper centring ring lower surface.
Described lower centring ring is circular ring, under sphere flap below sphere flap lower surface and described
The rotation of the frictional force without prejudice to sphere flap between surface and lower centring ring upper surface.
Filler group is provided between upper valve rod and bonnet, gland is set above filler group, below filler group
Bushing is provided with, gland is fastenedly connected by the second stud with the second nut and bonnet, gland is located in support, lining
Set is located between upper valve rod and bonnet.
Spacer ring is provided with the middle of described filler group, filler component is segmented into upper and lower two parts, upper and lower two parts by the spacer ring
The first filler and the second filler are loaded respectively, and described the first filler and the second filler selects graphite packing filling and flexibility respectively
Graphite packing.Two kinds of being applied in combination for filler further improve its sealing, while Fillers selection graphite packing filling and soft
Property graphite packing causes that sealing property is stronger more stable.
It is fastened and connected with the first nut by the first stud between described bonnet and support.
Gasket seal is provided between described bonnet and support.
Pass through pin connection between described wedge-type cone and upper valve rod.
Described rack side wall is provided with two guide slides being oppositely arranged, and two guide slides include what is be interconnected
Spiral slide and hoistway, spiral slide are set around support axis spiral, and hoistway be arranged in parallel with support axis, lift
Installation of slide track is provided with guide finger between the lower section of spiral slide, two guide slides, and the equal slidable connection in two ends of guide finger exists
In guide slide, and guide finger is fixedly connected with upper valve rod.
Distraction-type ball valve drives upper valve rod to move during opening and closing by gear-box, due to solid on upper valve rod
Surely guide finger is connected, and guide finger two ends slidable connection, in two guide slides, valve is oriented to first during unlatching
Pin in hoistway, upper valve rod ascending motion under the drive of gear-box, wedge-type cone is raised above so that sphere flap to
Centre is drawn in, departs from the sealing surface of valve body, and after subject-oriented pin slides into spiral slide, upper valve rod is on one side under the drive of gear-box
Motion is risen while rotating, so as to drive wedge-type cone and sphere flap to rotate, valve opening is realized.The closing process of valve is
The inverse process of opening process, principle is the same.Sphere flap is not in the phenomenon of abrasion during opening and closing, extension
The service life of valve.Guide slide is arranged on support, and without being provided on upper valve rod, therefore guide finger is in slip
During guide slide not easy to wear, the situation of transmission failure is not easily caused.
Compared with prior art, the utility model has advantages below and beneficial effect：
1st, positioned by setting the position that above centring ring can be easily to sphere flap with lower centring ring, make it not
Can be risen or fallen with wedge-type cone, can only be translated with wedge-type cone or rotary motion in a horizontal space, so kept away
Exempt from the friction between sphere flap and valve body sealing surface, improve the service life of ball valve.
2nd, spacer ring is provided with the middle of filler group, filler component is segmented into upper and lower two parts, upper and lower two parts difference by the spacer ring
The first filler and the second filler are loaded, described the first filler and the second filler selects graphite packing filling and soft graphite respectively
Filler.Two kinds of being applied in combination for filler further improve its sealing, while Fillers selection graphite packing filling and flexible stone
Black filler causes that sealing property is stronger more stable.
3rd, guide slide is arranged on support, and without being provided on upper valve rod, therefore guide finger is during slip
Guide slide not easy to wear, the situation of transmission failure is not easily caused.
Brief description of the drawings
Fig. 1 is the utility model distraction-type ball valve structural representation.
Label in figure：1 is valve body, and 2 is lower valve rod, and 3 is lower gasket, and 4 is sphere flap, and 5 is wedge-type cone, and 6 is pin, 7
It is upper valve rod, 8 is gasket seal, and 9 is the first stud, and 10 is the first nut, and 11 is bushing, and 12 is support, and 13 is gland,
14 is gear-box, and 15 is the second stud, and 16 is the second nut, and 17 is filler group, and 18 is bonnet, and 19 is upper centring ring, under 20 are
Centring ring, 21 is guide slide, and 22 is spiral slide, and 23 is hoistway, and 24 is guide finger.
Specific embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of distraction-type ball valve of high intensity high sealing performance, as shown in figure 1, including valve body 1, being connected on valve body 1
Bonnet 18, the support 12 being connected on bonnet 18, are provided with two with bevelled sphere flap 4 in valve body 1, and two with oblique
Wedge-type cone 5, the upper end connection upper valve rod 7 of wedge-type cone 5, upper valve are movably set with by T-slot between the sphere flap 4 in face
Bar 7 is connected to through bonnet 18 with gear-box 14, the lower end connection lower valve rod 2 of wedge-type cone 5, lower valve rod 2 is connected after support 12
The inner bottom part of valve body 1, it is characterised in that be additionally provided with valve body 1 for limit the upper-lower position of sphere flap 4 upper centring ring 19 with
Centring ring 20, lower gasket 3 is provided between lower centring ring 20 and valve body 1.Upper centring ring 19 is circular ring, is pressed in sphere flap
The rotation of the frictional force without prejudice to sphere flap 4 between 4 upper surfaces, and the upper surface of sphere flap 4 and the lower surface of upper centring ring 19.
Lower centring ring 20 is circular ring, positioned at the lower surface of sphere flap 4 lower section, and the lower surface of sphere flap 4 and lower centring ring 20
The rotation of the frictional force without prejudice to sphere flap 4 between upper surface.Filler group 17 is provided between upper valve rod 7 and bonnet 18,
Gland 13 is set in the top of filler group 17, bushing 11 is provided with below filler group 17, gland 13 passes through the second spiral shell
Post 15 is fastenedly connected with the second nut 16 and bonnet 18, and gland 13 is located in support 12, and bushing 11 is located at upper valve rod 7 and valve
Between lid 18.
It is fastened and connected with the first nut 10 by the first stud 9 between bonnet 18 and support 12.Bonnet 18 and support
Gasket seal 8 is provided between 12.Connected by pin 6 between wedge-type cone 5 and upper valve rod 7.The side wall of support 12 is provided with relative setting
Two guide slides 21 put, two guide slides 21 include interconnected spiral slide 22 and hoistway 23, spiral slide
Road 22 is set around the axis spiral of support 12, and hoistway 23 is set with the diameter parallel of support 12, and hoistway 23 is arranged on spiral
The lower section of slideway 22, is provided with guide finger 24 between two guide slides 21, the equal slidable connection in two ends of guide finger 24 is being oriented to cunning
In road 21, and guide finger 24 is fixedly connected with upper valve rod 7.
Positioned by setting the position that above centring ring 19 can be easily to sphere flap 4 with lower centring ring 20, made
It can not rise or fall with wedge-type cone 5, can only be translated with wedge-type cone 5 or rotary motion in a horizontal space.
Spacer ring is provided with the middle of filler group 17, filler component is segmented into upper and lower two parts, upper and lower two parts difference by the spacer ring
The first filler and the second filler are loaded, the first filler and the second filler select graphite packing filling and flexible graphite packing respectively.
Two kinds of being applied in combination for filler further improve its sealing, while Fillers selection graphite packing filling and flexible graphite packing
So that sealing property is stronger more stable.
Distraction-type ball valve drives upper valve rod 7 to move during opening and closing by gear-box 14, due to upper valve rod
On be fixedly connected guide finger 24, and the two ends slidable connection of guide finger 24 is in two guide slides 21, and valve is in the process opened
In, guide finger 24 first is in hoistway 23, and the ascending motion under the drive of gear-box 14 of upper valve rod 7, wedge-type cone 5 is upward
Rise so that sphere flap 4 draws in centre, depart from the sealing surface of valve body 1, after subject-oriented pin 24 slides into spiral slide 22, on
Valve rod 7 under the drive of gear-box 14 one side ascending motion while rotate, so as to drive 4 turns of wedge-type cone 5 and sphere flap
It is dynamic, realize valve opening.The closing process of valve is the inverse process of opening process, and principle is the same.In the process for opening and closing
Middle sphere flap 4 is not in the phenomenon of abrasion, extends the service life of valve.Guide slide 21 is arranged on support, and
It is not arranged on upper valve rod 7, therefore the guide slide 21 not easy to wear during slip of guide finger 24, transmission is not easily caused
The situation of failure.
The above-mentioned description to embodiment is to be understood that and use practicality for ease of those skilled in the art
It is new.Person skilled in the art obviously can easily make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without by performing creative labour.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, do not depart from improvement that the utility model category made and
Modification all should be within protection domain of the present utility model.
Claims (9)
1. a kind of distraction-type ball valve of high intensity high sealing performance, including valve body (1), the bonnet (18) being connected on valve body (1),
The support (12) on bonnet (18) is connected to, two are provided with bevelled sphere flap (4) in valve body (1), two carry
Wedge-type cone (5), the upper end connection upper valve of wedge-type cone (5) are movably set with by T-slot between the sphere flap (4) on inclined-plane
Bar (7), upper valve rod (7) is connected gear-box (14) afterwards through bonnet (18) and support (12), under the lower end connection of wedge-type cone (5)
Valve rod (2), lower valve rod (2) is connected to valve body (1) inner bottom part, it is characterised in that be additionally provided with for limiting in described valve body (1)
The upper centring ring (19) of sphere flap (4) upper-lower position and lower centring ring (20), described lower centring ring (20) and valve body (1) it
Between be provided with lower gasket (3).
2. the distraction-type ball valve of a kind of high intensity high sealing performance according to claim 1, it is characterised in that described is upper
Centring ring (19) is circular ring, is pressed in sphere flap (4) upper surface, and described sphere flap (4) upper surface is fixed with upper
The rotation of frictional force without prejudice to sphere flap (4) between circle (19) lower surface of position.
3. the distraction-type ball valve of a kind of high intensity high sealing performance according to claim 1, it is characterised in that under described
Centring ring (20) is circular ring, positioned at sphere flap (4) lower surface lower section, and described sphere flap (4) lower surface with
The rotation of frictional force without prejudice to sphere flap (4) between lower centring ring (20) upper surface.
4. the distraction-type ball valve of a kind of high intensity high sealing performance according to claim 1, it is characterised in that in upper valve rod
(7) filler group (17) is provided with and bonnet (18) between, gland (13) is set in filler group (17) top, in filler group
(17) lower section is provided with bushing (11), and gland (13) is tight with bonnet (18) by the second stud (15) and the second nut (16)
It is solidly connected, in support (12), bushing (11) is between upper valve rod (7) and bonnet (18) for gland (13).
5. the distraction-type ball valve of a kind of high intensity high sealing performance according to claim 4, it is characterised in that described fills out
Spacer ring is provided with the middle of material group (17), filler component is segmented into upper and lower two parts by the spacer ring, and upper and lower two parts load first respectively
Filler and the second filler, described the first filler and the second filler select graphite packing filling and flexible graphite packing respectively.
6. a kind of distraction-type ball valve of high intensity high sealing performance according to claim 1, it is characterised in that described valve
It is fastened and connected with the first nut (10) by the first stud (9) between lid (18) and support (12).
7. a kind of distraction-type ball valve of high intensity high sealing performance according to claim 1, it is characterised in that described valve
Gasket seal (8) is provided between lid (18) and support (12).
8. a kind of distraction-type ball valve of high intensity high sealing performance according to claim 1, it is characterised in that described wedge
It is connected by pin (6) between formula cone (5) and upper valve rod (7).
9. a kind of distraction-type ball valve of high intensity high sealing performance according to claim 1, it is characterised in that described branch
Frame (12) side wall is provided with two guide slides (21) being oppositely arranged, and two guide slides (21) include interconnected spiral
Slideway (22) and hoistway (23), spiral slide (22) is around the setting of support (12) axis spiral, hoistway (23) and support
(12) diameter parallel is set, and hoistway (23) is arranged on the lower section of spiral slide (22), and two guide slides are provided between (21)
Guide finger (24), the equal slidable connection in two ends of guide finger (24) is in guide slide (21), and guide finger (24) and upper valve rod
(7) it is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333219.4U CN206299889U (en) | 2016-12-07 | 2016-12-07 | The distraction-type ball valve of high intensity high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333219.4U CN206299889U (en) | 2016-12-07 | 2016-12-07 | The distraction-type ball valve of high intensity high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299889U true CN206299889U (en) | 2017-07-04 |
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ID=59211811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621333219.4U Active CN206299889U (en) | 2016-12-07 | 2016-12-07 | The distraction-type ball valve of high intensity high sealing performance |
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| Country | Link |
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| CN (1) | CN206299889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481875A (en) * | 2016-12-07 | 2017-03-08 | 上海弘盛特种阀门制造股份有限公司 | A kind of distraction-type ball valve of high intensity high sealing performance |
| CN108799539A (en) * | 2018-08-21 | 2018-11-13 | 江苏亿阀股份有限公司 | A kind of orbit ball valve with spiral valve rod |
-
2016
- 2016-12-07 CN CN201621333219.4U patent/CN206299889U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481875A (en) * | 2016-12-07 | 2017-03-08 | 上海弘盛特种阀门制造股份有限公司 | A kind of distraction-type ball valve of high intensity high sealing performance |
| CN108799539A (en) * | 2018-08-21 | 2018-11-13 | 江苏亿阀股份有限公司 | A kind of orbit ball valve with spiral valve rod |
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