CN205013747U - Keep warm and press from both sides cover ball valve - Google Patents
Keep warm and press from both sides cover ball valve Download PDFInfo
- Publication number
- CN205013747U CN205013747U CN201520794170.1U CN201520794170U CN205013747U CN 205013747 U CN205013747 U CN 205013747U CN 201520794170 U CN201520794170 U CN 201520794170U CN 205013747 U CN205013747 U CN 205013747U
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- valve
- ball
- insulation jacket
- valve body
- valve seat
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Abstract
The utility model discloses a keep warm and press from both sides cover ball valve, including valve body, ball core and disk seat, this ball valve still overlaps including supporting, it is connected with can the connection of dismantlement mode and with ball core and the fluid passage of disk seat pressfitting at the valve body to support cover and one side of valve body, the utility model discloses a keep warm and press from both sides cover ball valve, through set up with the support cover of valve body in order can the dismantlement mode to be connected, support in -process that the cover was connected to the valve body gradually with ball core and the fluid passage of disk seat pressfitting at the valve body, its simple structure, convenient to use, be convenient for assembly and dismantlement are favorable to guaranteeing its security performance and life, compared with the prior art, the utility model discloses a stability and security have all obtained the improvement, have prolonged life, have reduced the maintenance cost, have enlarged keep warm and press from both sides cover ball valve's application range.
Description
Technical field
The utility model relates to a kind of ball valve, particularly a kind of insulation jacket ball valve.
Background technique
Along with the development of China's oil, gas industry, the demand of valve is significantly increased, particularly very high requirement is proposed to the pipeline transportation problem of the medium of easily solidifying in the industries such as oil, chemical industry, pharmacy, easily crystallization, it requires that valve leak is low, opens and closes flexibly, long service life possess the function of insulation.Traditional insulation jacket ball valve due to the defect of himself structure and sealing material cause its working life, stability is all not so good as people's will, once leaking outside appears in valve or interior leakage medium in pipeline certainly will flow into downstream pipe by by the gap between valve body and ball core, valve seat or install place, so that loss of seal function, if the liquid in pipe be chemical agent or combustible material time, the liquid leaked will certainly cause larger disaster; Therefore how to improve working life and the stability of insulation jacket ball valve, be then the object of dealer's research and development.
Traditional insulation jacket ball valve usually adopts the structure of slash valve seat to carry out sealing and cuts off, valve seat is the column type spring in face and medium acting in conjunction on the lower, prevent valves leakage to guarantee that ball core and valve seat are combined closely, and the pad between valve body often adopts metal to add the double seal pad acting in conjunction of tetrafluoro to prevent valve leakage out of steam system.In addition because insulation jacket ball valve is usually corrosive for thickness, easily coagulation band the operating mode of medium, so conventional vacuum jacketed ball valve sheathed one deck chuck on common ball valve, make it have the function being incubated and heating, its ball core, valve seat technique are hot spray-welding cemented carbide on stainless steel base, to reach the effect improving its surface hardness.This structure can meet the special operation condition of insulation jacket ball valve in theory, but in the utilization of reality, find the shortcomings such as its poor stability, driving moment greatly, easily leak outside and the hardstanding of valve seat ball core easily peels off, damage, the screw thread of slash valve seat can be filled up by medium, solidify, overhaul just very difficult once valve needs, certainly will affect its Safety performance and working life like this, its effect can not be satisfactory; Its main cause is that traditional insulation jacket ball valve medium sticks on ball core, valve seat, valve rod for a long time, the easy distortion of valve, stuck, its structure, technique and gasket seal all can not meet it and have corrosivity and the requirement of Long-Time Service under the operating mode of easily solidifying under normal temperature at medium.
Therefore, just need to improve existing insulation jacket ball valve, make its structure simple, easy to use, be convenient to assembling and dismounting, be conducive to ensureing its Safety performance and working life.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of insulation jacket ball valve, and its structure is simple, easy to use, is convenient to assembling and dismounting, is conducive to ensureing its Safety performance and working life.
Insulation jacket ball valve of the present utility model, comprise valve body, ball core and valve seat, this ball valve also comprises supporting sleeve, and described supporting sleeve is removably connected with the side junction surface of valve body and ball core and valve seat is pressed together on the fluid passage of valve body.
Further, described supporting sleeve comprises the body for being connected with the side junction surface of valve body, and described body is provided with the duct that is connected with the fluid passage of valve body and coaxially can stretches into fluid passage and the laminating arms of pressing ball core and valve seat.
Further, described laminating arms is formed by the axis extension of jacket surface along duct.
Further, described supporting sleeve and valve body are provided with corresponding attachment hole, and link passes attachment hole so that supporting sleeve is connected to valve body.
Further, the Sealing I for sealing is provided with between the side junction surface of described body and valve body.
Further, described valve seat comprises the left valve seat and right valve seat that are located at ball core both sides respectively; Described fluid passage comprises first passage and second channel, and the aperture of described first passage is less than the aperture of second channel, and is provided with the channel board shoulder for accommodating left valve seat in the joint of first passage and second channel; The inwall front end, duct of described laminating arms is provided with the duct shoulders for holding right valve seat.
Further, be provided with between described left valve seat and channel board shoulder and/or between described right valve seat and duct shoulders for providing the elastic component of pretightening force and the Sealing II for sealing.
Further, this ball valve also comprises valve rod, and described ball core is provided with medium via hole; The lower end of described valve rod is provided with flat square, and the recessed formation in top of described ball core is used for inserting for flat square with the groove realizing transmission, bottom described flat square and have gap between bottom portion of groove; Described groove extends along the radial direction of medium via hole and is reclinate arcuate structure.
Further, this ball valve also comprises the insulation jacket and the steam flange that are connected to valve body with welding manner.
Further, this insulation jacket ball valve is floating ball type structure or fixing ball structure.
The beneficial effects of the utility model: insulation jacket ball valve of the present utility model, by setting up the supporting sleeve be removably connected with valve body, supporting sleeve is connected to the fluid passage gradually ball core and valve seat being pressed together on valve body in the process of valve body, its structure is simple, easy to use, be convenient to assembling and dismounting, be conducive to ensureing its Safety performance and working life; Compared with prior art, stability of the present utility model and Security are obtained for raising, extend working life, reduce maintenance expenses, expand the using scope of insulation jacket ball valve.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial left side view of Fig. 1;
Fig. 3 is the connection diagram of supporting sleeve and valve body;
Fig. 4 is the connection diagram of ball core of the present utility model and valve rod.
Embodiment
As shown in Figures 1 to 4: the insulation jacket ball valve of the present embodiment, comprise valve body 1, ball core 2 and valve seat, this ball valve also comprises supporting sleeve, and described supporting sleeve is removably connected with the side junction surface of valve body 1 and ball core 2 and valve seat is pressed together on the fluid passage of valve body 1; This insulation jacket ball valve can be floating ball type structure or fixing ball structure, except above-mentioned parts, also there is miscellaneous part same as the prior art as valve rod 10, actuator, bearing, lower shaft (fixing ball structure is peculiar) and black box etc., do not repeat them here; Valve body 1 is processed with the flanged surface be connected with medium pipeline, and valve seat can adopt polytetrafluoroethylmaterial material to make; By setting up the supporting sleeve be removably connected with valve body 1, supporting sleeve is connected to the fluid passage gradually ball core 2 and valve seat being pressed together on valve body 1 in the process of valve body 1, its structure is simple, easy to use, is convenient to assembling and dismounting, is conducive to ensureing its Safety performance and working life.
In the present embodiment, described supporting sleeve comprises the body 41 for being connected with the side junction surface of valve body 1, and described body 41 is provided with the duct 42 that is connected with the fluid passage of valve body 1 and coaxially can stretches into fluid passage and the laminating arms 43 of pressing ball core 2 and valve seat; Supporting sleeve is boss-shaped structure; Body 41 contacts with the side junction surface of valve body 1, and is provided with the Sealing I 6 for sealing between the side junction surface of described body 41 and valve body 1, and Sealing I 6 is preferably spiral wound gasket or O RunddichtringO, prevents valve leakage out of steam system; Described laminating arms 43 is formed by the axis extension of body 41 surface along duct, to increase the structural strength of supporting sleeve; Described supporting sleeve and valve body 1 are provided with corresponding attachment hole, and link 44 passes attachment hole so that supporting sleeve is connected to valve body 1; Attachment hole is screw, and link 44 is preferably socket head screw, is convenient to mounting or dismounting.
In the present embodiment, described valve seat comprises the left valve seat 31 and right valve seat 32 that are located at ball core 2 both sides respectively; Described fluid passage comprises first passage 51 and second channel 52, and the aperture of described first passage 51 is less than the aperture of second channel 52, and is provided with the channel board shoulder for accommodating left valve seat 31 at first passage 51 and the joint of second channel 52; The inwall front end, duct of described laminating arms 43 is provided with the duct shoulders for holding right valve seat 32; Channel board shoulder, duct shoulders can have L tee section or stepped cross-section, can be formed spacing to left valve seat 31, right valve seat 32; Be equipped with for providing the elastic component 7 of pretightening force and the Sealing II 8 for sealing between described left valve seat 31 and channel board shoulder and between described right valve seat 32 and duct shoulders; Elastic component is preferably wavy spring, it installs simple, can be wide for force value scope, can meet left valve seat 31, pretightening force needed for right valve seat 32, ensure the sealing surface of valve seat and the sealability on ball core 2 surface, while solve again due to thermal expansion cause the situation of excessive friction square; In the process of can meet valve seal performance, can provide again the sealing shearing force that higher, valve seat and ball core 2 are close together all the time, open at ball valve, closing, valve seat plays the effect of " cleaning " to ball core 2 surface; Sealing II can be O RunddichtringO or graphite-seal ring, seals valve seat periphery.
In the present embodiment, this ball valve also comprises valve rod 10, and described ball core 2 is provided with medium via hole 2a; The lower end of described valve rod 10 is provided with flat square 10a, and the recessed formation in top of described ball core 2 is used for inserting for flat square 10a with the groove 2b realizing transmission, has gap between bottom described flat square 10a and bottom groove 2b; Described groove 2b extends along the radial direction of medium via hole and is reclinate arcuate structure; By arranging the groove 2b coordinated with flat square 10a on ball core, gap between flat square 10a and groove 2b makes when ball core 2 is in contract fully, there is between ball core and valve rod the degrees of freedom of certain movement, namely now can there is relativity shift and avoid valve rod to occur bending and deformation because of stressed for a long time in ball core and valve rod axis, prevent valve rod stuck, extend the working life of jacketed ball valve and improve stability in use; This structure can ensure that ball core and valve seat are to center function, prevents ball core and valve rod generation deformation, stuck, reduces starting torque; The radian measure alpha of described groove 2b can be 30 °-60.
In the present embodiment, this ball valve also comprises the insulation jacket 91 and the steam flange 92 that are connected to valve body 1 with welding manner; To guarantee that the medium of valve in the effect lower valve of steam or other media is normally carried, prevent medium from easily solidifying, easily crystallization, thus guarantee the normal use of valve, this ball valve is had and leaks low, long service life, insulation, pressure release and the function such as fire prevention, antistatic.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. an insulation jacket ball valve, comprises valve body, ball core and valve seat, it is characterized in that: this ball valve also comprises supporting sleeve, and described supporting sleeve is removably connected with the side junction surface of valve body and ball core and valve seat is pressed together on the fluid passage of valve body.
2. insulation jacket ball valve according to claim 1, it is characterized in that: described supporting sleeve comprises the body for being connected with the side junction surface of valve body, described body is provided with the duct that is connected with the fluid passage of valve body and coaxially can stretches into fluid passage and the laminating arms of pressing ball core and valve seat.
3. insulation jacket ball valve according to claim 2, is characterized in that: described laminating arms is formed by the axis extension of jacket surface along duct.
4. insulation jacket ball valve according to claim 2, is characterized in that: described supporting sleeve and valve body are provided with corresponding attachment hole, and link passes attachment hole so that supporting sleeve is connected to valve body.
5. insulation jacket ball valve according to claim 2, is characterized in that: be provided with the Sealing I for sealing between the side junction surface of described body and valve body.
6. insulation jacket ball valve according to claim 2, is characterized in that: described valve seat comprises the left valve seat and right valve seat that are located at ball core both sides respectively; Described fluid passage comprises first passage and second channel, and the aperture of described first passage is less than the aperture of second channel, and is provided with the channel board shoulder for accommodating left valve seat in the joint of first passage and second channel; The inwall front end, duct of described laminating arms is provided with the duct shoulders for holding right valve seat.
7. insulation jacket ball valve according to claim 6, is characterized in that: be provided with between described left valve seat and channel board shoulder and/or between described right valve seat and duct shoulders for providing the elastic component of pretightening force and the Sealing II for sealing.
8. insulation jacket ball valve according to claim 1, is characterized in that: this ball valve also comprises valve rod, described ball core is provided with medium via hole; The lower end of described valve rod is provided with flat square, and the recessed formation in top of described ball core is used for inserting for flat square with the groove realizing transmission, bottom described flat square and have gap between bottom portion of groove; Described groove extends along the radial direction of medium via hole and is reclinate arcuate structure.
9. insulation jacket ball valve according to claim 1, is characterized in that: this ball valve also comprises the insulation jacket and the steam flange that are connected to valve body with welding manner.
10. the insulation jacket ball valve according to any one of claim 1 to 9, is characterized in that: this insulation jacket ball valve is floating ball type structure or fixing ball structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520794170.1U CN205013747U (en) | 2015-10-14 | 2015-10-14 | Keep warm and press from both sides cover ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520794170.1U CN205013747U (en) | 2015-10-14 | 2015-10-14 | Keep warm and press from both sides cover ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013747U true CN205013747U (en) | 2016-02-03 |
Family
ID=55212351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520794170.1U Active CN205013747U (en) | 2015-10-14 | 2015-10-14 | Keep warm and press from both sides cover ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN205013747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781445A (en) * | 2017-11-23 | 2018-03-09 | 天津市卡尔斯阀门有限公司 | A kind of convenient assembling ball valve |
| CN112747171A (en) * | 2021-01-12 | 2021-05-04 | 江苏远洋阀门智控股份有限公司 | Ball valve for pipeline heat supply with good heat insulation performance |
-
2015
- 2015-10-14 CN CN201520794170.1U patent/CN205013747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781445A (en) * | 2017-11-23 | 2018-03-09 | 天津市卡尔斯阀门有限公司 | A kind of convenient assembling ball valve |
| CN107781445B (en) * | 2017-11-23 | 2023-08-08 | 天津卡尔斯阀门股份有限公司 | Ball valve convenient to disassemble |
| CN112747171A (en) * | 2021-01-12 | 2021-05-04 | 江苏远洋阀门智控股份有限公司 | Ball valve for pipeline heat supply with good heat insulation performance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |