CN103953797A - Highly-sealed ball valve - Google Patents
Highly-sealed ball valve Download PDFInfo
- Publication number
- CN103953797A CN103953797A CN201410161256.0A CN201410161256A CN103953797A CN 103953797 A CN103953797 A CN 103953797A CN 201410161256 A CN201410161256 A CN 201410161256A CN 103953797 A CN103953797 A CN 103953797A
- Authority
- CN
- China
- Prior art keywords
- valve seat
- sealing
- hard seal
- valve
- passage
- 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.)
- Granted
Links
Classifications
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- 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
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- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a highly-sealed ball valve, which comprises a main valve body, wherein the main valve body is provided with a channel penetrating through the main valve body, the middle part of the channel is provided with a valve seat assembly and a rotatable valve rod, the valve rod is fixedly provided with a ball matched with the valve seat assembly, meanwhile, the valve seat assembly comprises a rigidity seal valve seat and a valve seat supporting ring which are matched with each other, and a sealing fin is arranged between the rigidity seal valve seat and the valve seat supporting ring. The sealing fin is manufactured by adopting metal materials, thus being high-temperature resistant. Besides, good sealing match is realized between the inner edge part of the sealing fin and the rigidity seal valve seat through welding, good sealing match is realized between the outer edge part of the sealing fin and the valve seat supporting ring by tightly pressing the outer edge on a sealed step, and thus the ball valve has excellent integrated sealing performance.
Description
Technical field
The present invention relates to valve technology field, especially relate to a kind of high sealed ball valve.
Background technique
Ball valve is the valve of commonly using the most, the sealing block sealing that the sealing of its spheroid and valve seat adopts rubber o-ring or PTFE material to prepare conventionally.Its defect is: seal ring or sealing block cannot withstand high temperatures, there will be poorly sealed situation after using a period of time, thereby affects to producing.
Summary of the invention
The object of this invention is to provide a kind of high sealed ball valve, it has can withstand high temperatures, and the good feature of sealing.
The technical solution adopted in the present invention is: high sealed ball valve, comprise main valve body, this main valve body has the passage that connects this main valve body, the middle part of this passage is provided with valve seat combination, and the middle part of this passage is provided with rotatable valve rod, on this valve rod, be fixed with and spheroid that this valve seat combination matches, simultaneously, this valve seat combination comprises hard seal valve seat and the valve seat bearing ring cooperatively interacting, between this hard seal valve seat and this valve seat bearing ring, be provided with diaphragm seal, and, this hard seal valve seat is connected in this passage by being stuck in its outside jump ring, and a side of this valve seat bearing ring is furnished with makes this hard seal valve seat have the stage clip that is close to this spheroid, described hard seal valve seat and diaphragm seal are metallic material preparation, simultaneously, the one side that this hard seal valve seat contacts with sealing sheet is provided with annular terraced steps and annular groove, this terraced steps is positioned at the inside of this groove, and between the inner ring of this terraced steps and sealing sheet, have for placing the gap of welding wire, the inner edge portion of sealing sheet and the inner side edge of this groove weld together, and, on this valve seat bearing ring outer surface, there is sealed step, the outer cover of this hard seal valve seat has the sealing clamp of an annular, a side of sealing sheet contacts with sealing step, another side contacts with sealing pressing plate, and, in this passage, be fixed with the top board of an annular, this top board is positioned at sealing pressing plate away from a side of sealing sheet, circumference along this top board on this top board is bolted with at least 3 Cock screws, this Cock screw and sealing pressing plate match.
The advantage that the present invention has is: can withstand high temperatures, and sealing is better.The diaphragm seal that high sealed ball valve of the present invention adopts metallic material to prepare, thus can withstand high temperatures.And, sealing sheet inner edge portion and hard seal valve seat by welding, realized be sealed and matched preferably, edge portion realized with the excellent sealing of valve seat bearing ring and having coordinated by being pressed in sealed step, and then had fabulous overall tightness.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is that the master of the high sealed ball valve of embodiments of the invention looks sectional view (not shown part Section line);
Fig. 2 is the perspective exploded view of the valve seat combination of embodiments of the invention;
Fig. 3 is that the hard seal valve seat of embodiments of the invention and the master of diaphragm seal cooperation look sectional view;
Fig. 4 is the A portion enlarged view of Fig. 3.
In figure: 10, main valve body, 11, passage; 20, valve seat combination, 21, jump ring, 22, Cock screw, 23, top board, 24, sealing clamp, 25, hard seal valve seat, 251, terraced steps, 252, groove, 253, gap, 26, diaphragm seal, 27, valve seat bearing ring, 271, sealed step, 28, stage clip; 30, valve rod, 31, spheroid.
Embodiment
Embodiment, is shown in shown in Fig. 1 to Fig. 4: high sealed ball valve, comprise main valve body 10, this main valve body 10 has the passage 11 that connects this main valve body 10.The middle part of this passage 11 is provided with valve seat combination 20, and the middle part of this passage 11 is provided with rotatable valve rod 30.On this valve rod 30, be fixed with and spheroid 31 that this valve seat combination 20 matches.; this spheroid 31 closely cooperates with the sealing surface of this valve seat combination 20, thereby along with the rotation of this valve rod 30, this spheroid 31 is followed rotation; the contact ratio that passes through hole and this passage 11 that this spheroid 31 has is changed by 0-100%, then realize cut-off and the perforation of this passage 11.
This valve seat combination 20 can be to be positioned at 2 groups of this spheroid 31 both sides.Take below and be positioned at one group of these spheroid 31 right sides and describe as example.
This valve seat combination 20 comprises the hard seal valve seat that is positioned at left side 25 cooperatively interacting and the valve seat bearing ring 27 that is positioned at right side.What is called cooperatively interacts, and refers to the two and links together or press together.Between this hard seal valve seat 25 and this valve seat bearing ring 27, be provided with diaphragm seal 26.This hard seal valve seat 25 and sealing sheet 26 all adopt metallic material preparation.This hard seal valve seat 25 is connected in this passage 11 by being stuck in its outside jump ring 21, and a side of this valve seat bearing ring 27 is furnished with and makes this hard seal valve seat 25 have the stage clip 28 that is close to this spheroid 31.That is, the left end of this stage clip 28 withstands on the right side of this valve seat bearing ring 27.
Further say, the one side that this hard seal valve seat 25 contacts with sealing sheet 26 is provided with annular terraced steps 251 and annular groove 252.That is, this terraced steps 251 and groove 252 are positioned on the right side of this hard seal valve seat 25.This terraced steps 251 is positioned at the inside of this groove 252, and between this terraced steps 251 and the inner ring of sealing sheet 26, has for placing the gap 253 of welding wire, and the inner edge portion of sealing sheet 26 and the inner side edge of this groove 252 weld together.So-called terraced steps refers to section and is trapezoidal step.That is the inner ring of sealing sheet 26 is enclosed within this terraced steps 251 outsides, and the opening of this groove 252 is given capping by the left surface of sealing sheet 26.Like this, because the thickness of sealing sheet 26 is less, and the right side of this hard seal valve seat 25 is thicker, and the two has different heat dissipation rates when welding, thereby cannot realize good welding.And by the introducing of this groove 252, be equivalent to reduce the thickness of this hard seal valve seat 25 and sealing sheet 26 welding parts, then realized the good welds of this hard seal valve seat 25 and sealing sheet 26.Meanwhile, this terraced steps 251 has not only facilitated the location of sealing sheet 26, and is convenient to welding wire is positioned in this gap 253 in advance, then adopts laser electric welding, can reach the effect of vacuum welding.
Further say to have sealed step 271 on these valve seat bearing ring 27 outer surfaces, the outer cover of this hard seal valve seat 25 has the sealing clamp 24 of an annular.The right flank of sealing sheet 26 contacts with sealing step 271, left surface contacts with sealing pressing plate 24.And, in this passage 11, being fixed with the top board 23 of an annular, this top board 23 is positioned at sealing pressing plate 24 away from a side of sealing sheet 26.That is, this top board 23 is positioned at the left side of sealing pressing plate 24.On this top board 23 along the even circumferential of this top board 23 be bolted with at least 3 Cock screws 22, this Cock screw 22 and sealing pressing plate 24 match.; screw after this Cock screw 22; the right side of this Cock screw 22 heads on sealing pressing plate 24 to the right, and sealing pressing plate 24 withstands on the edge portion of sealing sheet 26 on the left surface of sealing step 271 closely then, makes sealing sheet 26 and this valve seat bearing ring 27 realize good sealing.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. high sealed ball valve, comprise main valve body (10), this main valve body (10) has the passage (11) that connects this main valve body (10), the middle part of this passage (11) is provided with valve seat combination (20), and the middle part of this passage (11) is provided with rotatable valve rod (30), on this valve rod (30), be fixed with and spheroid (31) that this valve seat combination (20) matches, simultaneously, this valve seat combination (20) comprises hard seal valve seat (25) and the valve seat bearing ring (27) cooperatively interacting, between this hard seal valve seat (25) and this valve seat bearing ring (27), be provided with diaphragm seal (26), and, this hard seal valve seat (25) is connected in this passage (11) by being stuck in its outside jump ring (21), and a side of this valve seat bearing ring (27) is furnished with makes this hard seal valve seat (25) have the stage clip (28) that is close to this spheroid (31), it is characterized in that: described hard seal valve seat (25) and diaphragm seal (26) are metallic material preparation, simultaneously, the one side that this hard seal valve seat (25) contacts with sealing sheet (26) is provided with annular terraced steps (251) and annular groove (252), this terraced steps (251) is positioned at the inside of this groove (252), and between the inner ring of this terraced steps (251) and sealing sheet (26), there is the gap (253) for placing welding wire, the inner side edge of the inner edge portion of sealing sheet (26) and this groove (252) welds together, and, on this valve seat bearing ring (27) outer surface, there is sealed step (271), the outer cover of this hard seal valve seat (25) has the sealing clamp (24) of an annular, a side of sealing sheet (26) contacts with sealing step (271), another side contacts with sealing pressing plate (24), and, in this passage (11), be fixed with the top board (23) of an annular, this top board (23) is positioned at sealing pressing plate (24) away from a side of sealing sheet (26), the upper circumference along this top board (23) of this top board (23) is bolted with at least 3 Cock screws (22), this Cock screw (22) and sealing pressing plate (24) match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410161256.0A CN103953797B (en) | 2014-04-21 | 2014-04-21 | High sealed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410161256.0A CN103953797B (en) | 2014-04-21 | 2014-04-21 | High sealed ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953797A true CN103953797A (en) | 2014-07-30 |
| CN103953797B CN103953797B (en) | 2015-12-16 |
Family
ID=51331111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410161256.0A Active CN103953797B (en) | 2014-04-21 | 2014-04-21 | High sealed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103953797B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465401A (en) * | 2015-12-31 | 2016-04-06 | 宁波丰基特种阀门有限公司 | Ball valve easy to replace valve seat |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204895Y (en) * | 1994-11-04 | 1995-08-09 | 宋淑棉 | High sealed ball valve |
| CN2301591Y (en) * | 1997-09-16 | 1998-12-23 | 吴润喜 | Monolithic durable ball valve |
| US7104572B1 (en) * | 2004-10-27 | 2006-09-12 | Cascade Waterworks Manufacturing Co., Inc. | Tapping sleeve with mechanical joint connection |
| GB2436602A (en) * | 2006-03-27 | 2007-10-03 | Chuchu Decayeux | Pipe coupling device for connecting a pipe to a gas valve located in a connection box |
| CN101889251A (en) * | 2007-12-06 | 2010-11-17 | 艾坦·利夫林 | Low power electric operated thermostatic mixing valve |
| CN203239983U (en) * | 2013-04-25 | 2013-10-16 | 永嘉县伯利恒阀门有限公司 | Highly-sealed ball valve |
| CN203335922U (en) * | 2013-07-07 | 2013-12-11 | 林毅 | High-sealing ball valve |
| CN203770707U (en) * | 2014-04-21 | 2014-08-13 | 宁波丰基特种阀门有限公司 | High-sealed ball valve |
-
2014
- 2014-04-21 CN CN201410161256.0A patent/CN103953797B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204895Y (en) * | 1994-11-04 | 1995-08-09 | 宋淑棉 | High sealed ball valve |
| CN2301591Y (en) * | 1997-09-16 | 1998-12-23 | 吴润喜 | Monolithic durable ball valve |
| US7104572B1 (en) * | 2004-10-27 | 2006-09-12 | Cascade Waterworks Manufacturing Co., Inc. | Tapping sleeve with mechanical joint connection |
| GB2436602A (en) * | 2006-03-27 | 2007-10-03 | Chuchu Decayeux | Pipe coupling device for connecting a pipe to a gas valve located in a connection box |
| CN101889251A (en) * | 2007-12-06 | 2010-11-17 | 艾坦·利夫林 | Low power electric operated thermostatic mixing valve |
| CN203239983U (en) * | 2013-04-25 | 2013-10-16 | 永嘉县伯利恒阀门有限公司 | Highly-sealed ball valve |
| CN203335922U (en) * | 2013-07-07 | 2013-12-11 | 林毅 | High-sealing ball valve |
| CN203770707U (en) * | 2014-04-21 | 2014-08-13 | 宁波丰基特种阀门有限公司 | High-sealed ball valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465401A (en) * | 2015-12-31 | 2016-04-06 | 宁波丰基特种阀门有限公司 | Ball valve easy to replace valve seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103953797B (en) | 2015-12-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171130 Address after: 315020, 134, east section, Ring North Road, Jiangbei District, Zhejiang, Ningbo Patentee after: Ningbo Tianjilong Intelligent Control Technology Co., Ltd. Address before: Jiangbei District 315033 Zhejiang city of Ningbo province (hongtan) No. 158 Changxin Road, building 7, 105 Patentee before: NINGBO FENGJI SPECIAL VALVE CO., LTD. |
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| TR01 | Transfer of patent right |