CN108426055A - Half cun of metal sealing floating ball valve - Google Patents
Half cun of metal sealing floating ball valve Download PDFInfo
- Publication number
- CN108426055A CN108426055A CN201810156391.4A CN201810156391A CN108426055A CN 108426055 A CN108426055 A CN 108426055A CN 201810156391 A CN201810156391 A CN 201810156391A CN 108426055 A CN108426055 A CN 108426055A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve seat
- sluice way
- air bag
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0673—Composite packings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a kind of half cun of metal sealing floating ball valves, it includes valve body, valve seat, valve lock, valve handle, sealing mechanism is additionally provided between valve seat and valve body, sealing mechanism includes seal groove, pressure bladder, air supply pipe, it is sheathed on the end of air supply pipe gas outlet and for the drainage sleeve of drainage, drainage sleeve and outlet port portion offer gas off-take respectively, air supply pipe have two groups and two groups air supply pipes of symmetrical setting both facing to air bag medium position, there is upper sluice way on drainage sleeve, middle sluice way and lower sluice way, upper sluice way is towards pressure bladder and sealing plate junction, middle sluice way is towards air bag medium position, lower sluice way is towards valve body.The present invention forms perfect sealing after being heaved using air bag between valve seat and valve body, there is no any leaks, and using upper, middle sluice way ensure air bag everywhere can perfection heave, lower sluice way realizes the distribution and circulation of fluid in air bag, is further ensured that the lasting seals effect of air bag.
Description
Technical field
The invention belongs to valve field, more particularly to a kind of half cun of metal sealing floating ball valve.
Background technology
Currently, the requirement of pipeline valve is very high, some liquid mediums are not only inflammable and explosive, and to gasify in heating,
Hundreds times of volume expansion when gasification, and to keep in the case where there is solid particle state the torque of very little, good seal performance, medium without
Leakage, and can realize fast opening and closing.This just proposes very high requirement to the quality of valve.Existing floating ball valve torque compared with
Greatly, the leakproofness between each component is poor.
Invention content
There is provided a kind of half cun of fabulous metal sealing of leakproofness the invention aims to overcome the deficiencies in the prior art
Floating ball valve.
In order to achieve the above objectives, the technical solution adopted in the present invention is:A kind of half cun of metal sealing floating ball valve,
Including
Valve body;
Valve seat, the valve seat are set in the valve body;
Valve lock, the valve lock are in spherical, are set in the valve seat and in the valve body,
Valve handle, the valve handle lower end are arranged in the valve body and are connected with the valve lock,
The upper end of the valve lock offers rectangular channel, and the lower end of the valve handle is arranged in the rectangular channel, the valve seat with
Fire prevention graphite and sealing mechanism are additionally provided between the valve body, the sealing mechanism includes being opened on the valve body and along valve
Body extends to form the seal groove of closed loop with valve seat binding face, the pressure bladder being connected in the seal groove, is set to the valve body
With on the sealing plate and for the air supply pipe of filling gas in air bag described in phase, be sheathed on air supply pipe gas outlet end
And for the drainage sleeve of drainage, the drainage sleeve and the outlet port portion offer gas off-take respectively, and the air supply pipe has phase
Air supply pipe described in symmetrically arranged two groups and two groups have both facing to air bag medium position, on the drainage sleeve upper sluice way,
Middle sluice way and lower sluice way, the upper sluice way draw towards the pressure bladder and the sealing plate junction in described
Runner is towards the air bag medium position, and the lower sluice way is towards valve body.
Preferably mode is another kind:The valve seat is equipped with there are two being respectively dynamic valve seat and determining valve seat in the valve body
The sliding slot to match with the dynamic valve seat, the dynamic valve seat are slidably connected in the sliding slot, and the dynamic valve seat and the valve
Being equipped between body makes the compression spring that the dynamic valve seat resets in the valve body.
By adopting the above-described technical solution, the present invention has the following advantages compared with the prior art:The present invention is roused using air bag
Perfect sealing is formed after rising between valve seat and valve body, there is no any leaks, and ensure air bag using upper, middle sluice way
Everywhere can perfection heave, lower sluice way realizes the distribution and circulation of fluid in air bag, is further ensured that the lasting seals effect of air bag
Fruit.
Description of the drawings
Accompanying drawing 1 is the structural representation of the present invention;
Attached drawing 2 is the attachment structure schematic diagram of valve handle and valve lock;
Attached drawing 3 is the structural schematic diagram of sealing mechanism in the present invention;
Attached drawing 4 is the structural schematic diagram of drainage sleeve;
Attached drawing 5 is the structural schematic diagram after being slided on drainage sleeve.
Specific implementation mode
The preferred embodiment of the invention is described in detail below in conjunction with attached drawing.
As shown in Figure 1, half cun of metal sealing floating ball valve includes valve body 1;Valve seat 2, the valve seat 2 are set to the valve body
In 1;Valve lock 3, the valve lock 3 are in spherical, are set in the valve seat 2 and in the valve body 1;Valve handle 4, the valve handle 4
Lower end is arranged in the valve body 1 and is connected with the valve lock 3, and the upper end of the valve lock 3 offers rectangular channel 5, described
The lower end of valve handle 4 is arranged in the rectangular channel 5.
It is additionally provided with fire prevention graphite 0 between the valve seat 2 and the valve body 1 and sealing mechanism 9, the sealing mechanism include
It is opened on the valve body 1 and extends to form the seal groove 910 of closed loop along valve body 1 and 2 binding face of valve seat, is connected to the sealing
Pressure bladder 90 in slot, on the valve body 1 and the sealing plate 91 and for filling gas in air bag 90 described in phase
Air supply pipe 92 is sheathed on 92 gas outlet end of the air supply pipe and for the drainage sleeve 93 of drainage, the drainage sleeve 93 and institute
It states outlet port portion and offers gas off-take 97 respectively, the air supply pipe 92 has air supply pipe described in two groups of symmetrical setting and two groups
92 both facing to 90 medium position of air bag, there is upper sluice way 94, middle sluice way 95 and lower sluice way on the drainage sleeve 93
96, the upper sluice way 94 is towards the pressure bladder 90 and 91 junction of the sealing plate, and the middle sluice way 95 is towards institute
State 90 medium position of air bag, for the lower sluice way 96 towards valve body 1, air supply pipe 92 is equipped with the first fixture block 98, in drainage sleeve 93
Equipped with the second fixture block 99, when air-flow is excessive, drainage sleeve 93 can slide the self-balancing for realizing air-flow along air supply pipe 92, ensure air bag
90 degree heaved and air bag 90 and the holding of the air pressure in seal groove are stablized.
The valve seat 2 is there are two respectively dynamic valve seat 22 and determines valve seat 21, described to determine to deposit between valve seat 21 and the valve body 1
It is equipped with the sliding slot 7 to match with the dynamic valve seat 22 in fire prevention graphite 6, the valve body 1, the dynamic valve seat 22 is slidably connected to
In the sliding slot 7, and being equipped between the dynamic valve seat 22 and the valve body 1 makes the dynamic valve seat 22 be resetted in the valve body 1
Compression spring 8.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of half cun of metal sealing floating ball valve comprising
Valve body;
Valve seat, the valve seat are set in the valve body;
Valve lock, the valve lock are in spherical, are set in the valve seat and in the valve body,
Valve handle, the valve handle lower end are arranged in the valve body and are connected with the valve lock, it is characterised in that:The valve lock
Upper end offer rectangular channel, the lower end of the valve handle is arranged in the rectangular channel, between the valve seat and the valve body
It is additionally provided with fire prevention graphite and sealing mechanism, the sealing mechanism includes being opened on the valve body and being bonded along valve body with valve seat
Face extends to form the seal groove of closed loop, the pressure bladder being connected in the seal groove, is set to the valve body and the sealing plate
Above and it is used for the air supply pipe of filling gas in air bag described in phase, is sheathed on the end of the air supply pipe gas outlet and for drainage
Drainage sleeve, the drainage sleeve and the outlet port portion offer gas off-take respectively, and the air supply pipe has the two of symmetrical setting
Air supply pipe described in group and two groups both facing to air bag medium position, have on the drainage sleeve upper sluice way, middle sluice way and
Lower sluice way, the upper sluice way is towards the pressure bladder and the sealing plate junction, and the middle sluice way is described in
Air bag medium position, the lower sluice way is towards valve body.
2. half cun of metal sealing floating ball valve according to claim 1, it is characterised in that:There are two respectively for the valve seat
For dynamic valve seat and determine valve seat, the sliding slot to match with the dynamic valve seat is equipped in the valve body, the dynamic valve seat is slidably connected to
In the sliding slot, and between the dynamic valve seat and the valve body be equipped with make the compression spring that the dynamic valve seat resets in the valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810156391.4A CN108426055A (en) | 2018-02-24 | 2018-02-24 | Half cun of metal sealing floating ball valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810156391.4A CN108426055A (en) | 2018-02-24 | 2018-02-24 | Half cun of metal sealing floating ball valve |
Publications (1)
Publication Number | Publication Date |
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CN108426055A true CN108426055A (en) | 2018-08-21 |
Family
ID=63157080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810156391.4A Pending CN108426055A (en) | 2018-02-24 | 2018-02-24 | Half cun of metal sealing floating ball valve |
Country Status (1)
Country | Link |
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CN (1) | CN108426055A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113494624A (en) * | 2021-09-08 | 2021-10-12 | 江苏智能特种阀门有限公司 | Self-connection type high-sealing ball valve |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4137935A (en) * | 1976-02-11 | 1979-02-06 | Macawber Engineering Limited | Valve assembly |
CN2623989Y (en) * | 2003-05-06 | 2004-07-07 | 汕头市新汕阀门制造有限公司 | Hemisphere air pocket sealed valve for rapid feeding coal dust |
CN2926694Y (en) * | 2006-08-10 | 2007-07-25 | 佛山安德里茨技术有限公司 | Sealer for pressure container material transferring gate |
CN201145060Y (en) * | 2007-11-30 | 2008-11-05 | 上海高低压阀门有限公司 | Hard seal ball valve |
CN205207735U (en) * | 2015-10-26 | 2016-05-04 | 德阳九鼎智远知识产权运营有限公司 | Airtight blocking valve |
CN105952924A (en) * | 2016-07-04 | 2016-09-21 | 岳阳东方自控工程设备有限公司 | High-pressure ball valve sealed by inflatable type flexible sealing rings arranged inside valve seats |
CN207018562U (en) * | 2017-06-22 | 2018-02-16 | 浙江大唐阀门有限公司 | Dome valve |
CN207111971U (en) * | 2017-06-21 | 2018-03-16 | 马紫音 | A kind of ball valve |
-
2018
- 2018-02-24 CN CN201810156391.4A patent/CN108426055A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4137935A (en) * | 1976-02-11 | 1979-02-06 | Macawber Engineering Limited | Valve assembly |
CN2623989Y (en) * | 2003-05-06 | 2004-07-07 | 汕头市新汕阀门制造有限公司 | Hemisphere air pocket sealed valve for rapid feeding coal dust |
CN2926694Y (en) * | 2006-08-10 | 2007-07-25 | 佛山安德里茨技术有限公司 | Sealer for pressure container material transferring gate |
CN201145060Y (en) * | 2007-11-30 | 2008-11-05 | 上海高低压阀门有限公司 | Hard seal ball valve |
CN205207735U (en) * | 2015-10-26 | 2016-05-04 | 德阳九鼎智远知识产权运营有限公司 | Airtight blocking valve |
CN105952924A (en) * | 2016-07-04 | 2016-09-21 | 岳阳东方自控工程设备有限公司 | High-pressure ball valve sealed by inflatable type flexible sealing rings arranged inside valve seats |
CN207111971U (en) * | 2017-06-21 | 2018-03-16 | 马紫音 | A kind of ball valve |
CN207018562U (en) * | 2017-06-22 | 2018-02-16 | 浙江大唐阀门有限公司 | Dome valve |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113494624A (en) * | 2021-09-08 | 2021-10-12 | 江苏智能特种阀门有限公司 | Self-connection type high-sealing ball valve |
CN113494624B (en) * | 2021-09-08 | 2021-11-26 | 江苏智能特种阀门有限公司 | Self-connection type high-sealing ball valve |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180821 |