CN204922074U - Metal welded fastening forged steel ball valve sealed complete firmly - Google Patents
Metal welded fastening forged steel ball valve sealed complete firmly Download PDFInfo
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- CN204922074U CN204922074U CN201520705699.1U CN201520705699U CN204922074U CN 204922074 U CN204922074 U CN 204922074U CN 201520705699 U CN201520705699 U CN 201520705699U CN 204922074 U CN204922074 U CN 204922074U
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Abstract
The utility model relates to a metal welded fastening forged steel ball valve sealed complete firmly, it includes the valve body, set up in the valve gap of valve body both sides, rotationally install in the valve body and with corresponding spheroid, the one end of valve gap is inlayed and is located be used for in the spheroid making spheroid pivoted valve rod, with the valve rod be connected be used for driving its pivoted actuating mechanism and be used for with the spheroid is fixed polylith fixed block in the valve body, the spheroid with be equipped with two sets of seal assembly between the valve gap, every group a seal assembly includes the disk seat circle, installs the disk seat gland of disk seat circle medial surface, set up in disk seat circle with just paste between the disk seat gland spheroidal first sealing washer and set up in disk seat circle with just be located between the spheroid the hard sealing washer of first sealing washer below. Can ensure sealed in the junction of spheroid and valve gap like this, the ball valve moment of torsion is less, and simple structure and cost are higher.
Description
Technical field
The utility model relates to a kind of ball valve, is specifically related to a kind of metal hard-sealing and is entirely welded and fixed forging steel ball valve.
Background technique
At present, the requirement of pipeline valve is very high, and some liquid mediums are not only inflammable and explosive, and will gasify when heating up, volumetric expansion hundreds of times during gasification, and very little moment of torsion to be kept having under solid particle state, good seal performance, medium without leaking outside, and can realize fast opening and closing.This just proposes very high requirement to the quality of valve.Existing floating ball valve moment of torsion is comparatively large, and the sealing between each parts is poor, and complex structure and cost is higher.
Summary of the invention
The utility model object provides a kind of metal hard-sealing to be entirely welded and fixed forging steel ball valve to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of metal hard-sealing is welded and fixed forging steel ball valve entirely, it comprises valve body, be arranged at the valve gap of described valve body both sides, be installed in rotation on spheroid in described valve body and corresponding with described valve gap, one end is embedded at the valve rod for making described spheroid rotate in described spheroid, be connected for driving its driving mechanism rotated and for described spheroid being fixed on the polylith fixed block in described valve body with described valve rod, two group of first black box is provided with between described spheroid and described valve gap, often organize described first black box and comprise seat ring, be arranged on the valve seat gland of described seat ring inner side surface, to be arranged between described seat ring and described valve seat gland and to touch the first seal ring of described spheroid and to be arranged between described seat ring and described spheroid and the hard seal ring be positioned at below described first seal ring.
Optimally, be provided with the first spring for described seat ring being pushed to described spheroid between described seat ring and described valve gap, described seat ring and described valve seat gland are fixed by screw.
Further, described first black box also comprises the first waterproof ring, an O type circle and the 2nd O type circle that are set in turn in from inside to outside between described seat ring and described valve gap, and a described O type circle place correspondence is provided with valve seat back-up ring.
Optimally, the second black box is provided with between described valve gap and described valve rod, described valve gap top is fixed with land, and described second black box comprises the packing ring be sheathed on described valve rod, is arranged on the pendant collet on described packing ring and is arranged at the second seal ring between described pendant collet and described land.
Further, described second seal ring is provided with many groups the 3rd O type circle and many groups the second waterproof ring.
Optimally, described valve gap is provided with at least one first grease pouring valve, and described spheroid offers safety valve.
Optimally, described body base is provided with coupled logical blowdown valve.
Optimally, the joint bottom described fixed block and described spheroid is provided with the first radial bearing and the first cod, and the joint of described valve rod and described valve gap is provided with the second radial bearing and the second cod.
Because technique scheme is used, the utility model compared with prior art has following advantages: the utility model metal hard-sealing is welded and fixed forging steel ball valve entirely, by arranging two group of first black box of specified structure between spheroid and valve gap, spheroid and the sealing of valve gap in joint can be guaranteed like this, ball valve moment of torsion is less, and structure is simple and cost is higher.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation that the utility model metal hard-sealing is welded and fixed forging steel ball valve entirely;
Accompanying drawing 2 is the first partial enlarged drawing of accompanying drawing 1;
Accompanying drawing 3 is the second partial enlarged drawing of accompanying drawing 1;
Wherein, 1, valve body; 2, valve gap; 3, spheroid; 31, the first radial bearing; 32, the first cod; 61, the second radial bearing; 62, the second cod; 4, fixed block; 5, the first black box; 50, the 2nd O type circle; 51, seat ring; 52, valve seat gland; 53, screw; 54, the first seal ring; 55, hard seal ring; 56, the first spring; 57, the first waterproof ring; 58, an O type circle; 59, valve seat back-up ring; 6, valve rod; 7, driving mechanism; 8, land; 9, the second black box; 91, packing ring; 92, pendant collet; 93, the second seal ring; 94, the 3rd O type circle; 95, the second waterproof ring; 101, safety valve; 102, the first grease pouring valve; 103, blowdown valve.
Embodiment
Below in conjunction with embodiment shown in the drawings, the utility model is further described.
Metal hard-sealing is as shown in Figure 1 to Figure 3 welded and fixed forging steel ball valve entirely, mainly comprises the parts such as valve body 1, valve gap 2, spheroid 3, fixed block 4, first black box 5 and valve rod 6.
Wherein, valve gap 2 has two, and they are arranged at the both sides of valve body 1, and have runner respectively; Can the both sides of valve body 1 be located at by full-automatic submerged arc welding and form corresponding weld seam; After spheroid 3 is opened, liquid flows to another valve gap 2 from a valve gap 2.Spheroid 3 is installed in rotation in valve body 1, and corresponding with valve gap 2.One end (lower end) of valve rod 6 is embedded at spheroid 3, can synchronously drive spheroid 3 to rotate when valve rod 6 rotates.Driving mechanism 7 is connected with valve rod 6, rotates for actuate valve stem 6.Fixed block 4 has polylith, and it is positioned in the inner chamber of valve body 1 for being fixed by spheroid 3.First black box 5 is arranged between spheroid 3 and valve gap 2, have two groups at least, often organize the first black box 5 and comprise seat ring 51, be arranged on the valve seat gland 52 of seat ring 51 inner side surface, be arranged between seat ring 51 and valve seat gland 52 and touch the first seal ring 54 of spheroid 3 and to be arranged between seat ring 51 and spheroid 3 and the hard seal ring 55 be positioned at below the first seal ring 54.
In the present embodiment, be provided with the first spring 56 for seat ring 51 being pushed to spheroid between seat ring 51 and valve gap 2, seat ring 51 and valve seat gland 52 are fixed by screw 53.First black box 5 also comprises the first waterproof ring 57, an O type circle 58 and the 2nd O type circle the 50, one O type circle 58 place correspondence be set in turn in from inside to outside between described seat ring 51 and valve gap 2 and is provided with valve seat back-up ring 59.The second black box 9 is provided with between valve gap 2 and valve rod 6, valve gap 2 top is fixed with land 8, and the second black box 9 comprises the packing ring 91 be sheathed on valve rod 6, is arranged on the pendant collet 92 on packing ring 91 and is arranged at the second seal ring 93 between pendant collet 92 and land 8.Second seal ring 93 is provided with many group the 3rd O type circles 94 and many groups the second waterproof ring 95.Valve gap 2 is provided with at least one first grease pouring valve 102, spheroid 3 offers safety valve 101.Coupled logical blowdown valve 103 is provided with bottom valve body 1.Fixed block 4 is provided with the first radial bearing 31 and the first cod 32 with the joint bottom spheroid 3, and valve rod 6 is provided with the second radial bearing 61 and the second cod 62 with the joint of valve gap 2.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (8)
1. a metal hard-sealing is welded and fixed forging steel ball valve entirely, it comprises valve body (1), be arranged at the valve gap (2) of described valve body (1) both sides, be installed in rotation on spheroid (3) in described valve body (1) and corresponding with described valve gap (2), one end is embedded at the valve rod (6) for making described spheroid (3) rotate in described spheroid (3), be connected for the driving mechanism (7) that drives it to rotate and for described spheroid (3) being fixed on the polylith fixed block (4) in described valve body (1) with described valve rod (6), it is characterized in that: between described spheroid (3) and described valve gap (2), be provided with two group of first black box (5), often organize described first black box (5) and comprise seat ring (51), be arranged on the valve seat gland (52) of described seat ring (51) inner side surface, to be arranged between described seat ring (51) and described valve seat gland (52) and to touch first seal ring (54) of described spheroid (3) and to be arranged between described seat ring (51) and described spheroid (3) and to be positioned at the hard seal ring (55) of described first seal ring (54) below.
2. metal hard-sealing according to claim 1 is welded and fixed forging steel ball valve entirely, it is characterized in that: be provided with the first spring (56) for described seat ring (51) being pushed to described spheroid (3) between described seat ring (51) and described valve gap (2), described seat ring (51) and described valve seat gland (52) are fixed by screw (53).
3. metal hard-sealing according to claim 2 is welded and fixed forging steel ball valve entirely, it is characterized in that: described first black box (5) also comprises the first waterproof ring (57), an O type circle (58) and the 2nd O type circle (50) that are set in turn in from inside to outside between described seat ring (51) and described valve gap (2), described O type circle (58) place correspondence is provided with valve seat back-up ring (59).
4. metal hard-sealing according to claim 1 is welded and fixed forging steel ball valve entirely, it is characterized in that: between described valve gap (2) and described valve rod (6), be provided with the second black box (9), described valve gap (2) top is fixed with land (8), the second seal ring (93) that described second black box (9) comprises the packing ring (91) be sheathed on described valve rod (6), is arranged on the pendant collet (92) on described packing ring (91) and is arranged between described pendant collet (92) and described land (8).
5. metal hard-sealing according to claim 4 is welded and fixed forging steel ball valve entirely, it is characterized in that: described second seal ring (93) is provided with many groups the 3rd O type circle (94) and many groups the second waterproof ring (95).
6. metal hard-sealing according to claim 1 is welded and fixed forging steel ball valve entirely, it is characterized in that: described valve gap (2) is provided with at least one first grease pouring valve (102), described spheroid (3) offers safety valve (101).
7. metal hard-sealing according to claim 1 is welded and fixed forging steel ball valve entirely, it is characterized in that: described valve body (1) bottom is provided with coupled logical blowdown valve (103).
8. metal hard-sealing according to claim 1 is welded and fixed forging steel ball valve entirely, it is characterized in that: described fixed block (4) is provided with the first radial bearing (31) and the first cod (32) with the joint of described spheroid (3) bottom, described valve rod (6) is provided with the second radial bearing (61) and the second cod (62) with the joint of described valve gap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520705699.1U CN204922074U (en) | 2015-09-11 | 2015-09-11 | Metal welded fastening forged steel ball valve sealed complete firmly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520705699.1U CN204922074U (en) | 2015-09-11 | 2015-09-11 | Metal welded fastening forged steel ball valve sealed complete firmly |
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| Publication Number | Publication Date |
|---|---|
| CN204922074U true CN204922074U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520705699.1U Active CN204922074U (en) | 2015-09-11 | 2015-09-11 | Metal welded fastening forged steel ball valve sealed complete firmly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676520A (en) * | 2017-09-18 | 2018-02-09 | 江苏诚功阀门科技有限公司 | Full welded pipeline ball valve body and its assemble welding technique |
| CN111089184A (en) * | 2020-01-16 | 2020-05-01 | 苏州纽威阀门股份有限公司 | Fixed ball valve |
| CN111288231A (en) * | 2018-12-07 | 2020-06-16 | 江苏金泰密封科技有限公司 | Dust-proof sealing part for pipeline |
-
2015
- 2015-09-11 CN CN201520705699.1U patent/CN204922074U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676520A (en) * | 2017-09-18 | 2018-02-09 | 江苏诚功阀门科技有限公司 | Full welded pipeline ball valve body and its assemble welding technique |
| CN107676520B (en) * | 2017-09-18 | 2019-04-09 | 江苏诚功阀门科技有限公司 | Full welded pipeline ball valve body and its assemble welding technique |
| CN111288231A (en) * | 2018-12-07 | 2020-06-16 | 江苏金泰密封科技有限公司 | Dust-proof sealing part for pipeline |
| CN111089184A (en) * | 2020-01-16 | 2020-05-01 | 苏州纽威阀门股份有限公司 | Fixed ball valve |
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