CN202927063U - Large-diameter self-sealing valve - Google Patents
Large-diameter self-sealing valve Download PDFInfo
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- CN202927063U CN202927063U CN 201220578736 CN201220578736U CN202927063U CN 202927063 U CN202927063 U CN 202927063U CN 201220578736 CN201220578736 CN 201220578736 CN 201220578736 U CN201220578736 U CN 201220578736U CN 202927063 U CN202927063 U CN 202927063U
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- valve
- filler
- flap
- valve rod
- valve body
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Abstract
The utility model relates to the field of valves, in particular to a large-diameter self-sealing valve. The valve adopts the technical scheme that the valve comprises a valve body, a valve cover fixedly connected with the valve body, a valve rod and a valve clack component, wherein the valve body and the valve cover form a valve cavity; a liquid inlet and a liquid outlet that are communicated with the valve cavity are formed in the valve body; the lower end of the valve rod is connected with the valve clack component; the valve clack component is arranged in the valve cavity by isolating the valve cavity; an operating mechanism is arranged at the upper end of the valve rod; the valve body is integrally formed by forging; a filling component is arranged on the valve cover; and the valve rod penetrates through the filling component. The valve has the characteristics that the valve body is integrally formed by the forging; defects such as air holes and cracks that are easy to generate due to welding are eliminated; leakage hidden dangers such as stress corrosion and the cracks caused by a medium and a complicated working condition at a welding position are eliminated; the valve body is attractive in whole appearance and compact in structure; the filling component is arranged on a ball valve; the sealability of the valve is greatly improved; and the service life is prolonged.
Description
Technical field
The utility model relates to valve field, refers to especially a kind of heavy caliber self sealing valve.
Background technique
The valve body of existing heavy caliber self sealing valve is because volume is very large, basic employing casting forms, the valve body of two existing castings, the compactness of product and mechanical property and resistance to compression state are all relatively poor, and product is prone to the surface imperfection such as sand holes, pore and crackle, causes the product appearance quality lower, and the valve rod place of existing valve is not provided with Sealing, cause valve rod place's leakage, cause working life shorter.
The model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide grow and the higher heavy caliber self sealing valve of product appearance quality a kind of working life.
the technical solution of the utility model is achieved in that a kind of heavy caliber self sealing valve, comprise valve body, the valve gap that is fixedly connected with valve body, valve rod and flap assembly, this valve body and valve gap consist of valve pocket, be provided with fluid input and fluid output with the valve pocket conducting on described valve body, the lower end of described valve rod connects the flap assembly, this flap assembly is arranged in valve pocket, isolated valve pocket setting, the upper end of described valve rod is provided with operating device, it is characterized in that: described valve body integral type forging molding, be provided with filler assembly on described valve gap, valve rod passes the filler assembly setting.
By adopting technique scheme, valve body adopts the setting of integral type forging molding, the pore, sand holes, the defects i.e.cracks that easily produce due to welding processing have been eliminated, and eliminated stress corrosion that weld causes because of medium and complicated operating mode and crackle etc. and revealed hidden danger, and the monnolithic case of valve body is attractive in appearance, compact structure, and filler assembly is set on ball valve, has greatly improved the sealing of valve, and then improved working life.
The utility model further is set to; Described filler assembly comprises Stuffing box, filler, filler pressing sleeve and hold-down grid, described Stuffing box is sheathed on valve rod, and the outer wall of this Stuffing box is fixedly connected with valve gap, be provided with packing layer between described valve rod and Stuffing box inwall, described filler pressing sleeve is arranged at the top of filler, described hold-down grid is arranged at the top of filler pressing sleeve, and hold-down grid is fixedly connected with valve gap.
Wherein, described packing layer is double-deck filler, is provided with the filler dottle pin between two-layer filler.
By adopting technique scheme, double-deck filler is set, effectively valve rod is played effect fixing and sealing, keep the perpendicularity of valve rod, and simple in structure, be easy to realize.
The utility model also further is set to: described flap assembly comprises flap and disc gland, described flap is sheathed on the outer side wall of disc gland, described disc gland is fixed in the lower end of valve rod, also be provided with divided ring and flap pad between described flap and disc gland, this divided ring and flap vertically distribute successively and arrange.
By adopting technique scheme, it is convenient that effectively fixing flap, and flap is changed, and greatly improved practicability.
The utility model also further is set to: described operating device comprises handwheel, pad and Stem Mut, and described handwheel sleeve is located at the upper end of valve rod, and handwheel is fixed in the valve rod upper end by Stem Mut, and the lower end of Stem Mut is provided with pad.
By adopting technique scheme, handwheel can effectively be controlled moving up and down of flap, has realized the keying of valve, and simple in structure, is easy to realize.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model embodiment structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
as shown in Figure 1, the utility model discloses a kind of heavy caliber self sealing valve, comprise valve body 1, the valve gap 2 that is fixedly connected with valve body 1, valve rod 4 and flap assembly, this valve body 1 consists of valve pocket 3 with valve gap 2, be provided with fluid input 11 and fluid output 12 with valve pocket 3 conductings on described valve body 1, the lower end of described valve rod 4 connects the flap assembly, this flap assembly is arranged in valve pocket 3, isolated valve pocket 3 arranges, the upper end of described valve rod 4 is provided with operating device, in the utility model specific embodiment, described valve body 1 integral type forging molding, wherein, adopt the swage forging making process, be provided with filler assembly on described valve gap 2, valve rod 4 passes the filler assembly setting, valve body 1 adopts the setting of integral type forging molding, eliminated the pore that easily produces due to welding processing, sand holes, defects i.e.cracks, and eliminated stress corrosion that weld causes because of medium and complicated operating mode and crackle etc. and revealed hidden danger, and the monnolithic case of valve body is attractive in appearance, compact structure, and filler assembly is set on ball valve, greatly improved the sealing of valve, and then improved working life.
in the utility model specific embodiment, described filler assembly comprises Stuffing box 13, filler 9, filler pressing sleeve 14 and hold-down grid 15, described Stuffing box 13 is sheathed on valve rod 4, and the outer wall of this Stuffing box 13 is fixedly connected with valve gap 2, be provided with packing layer between described valve rod 4 and Stuffing box 13 inwalls, described filler pressing sleeve 14 is arranged at the top of filler 9, described hold-down grid 15 is arranged at the top of filler pressing sleeve 14, and hold-down grid 15 is fixedly connected with valve gap 2, wherein, described packing layer is double-deck filler 9, be provided with filler dottle pin 10 between two-layer filler 9, double-deck filler is set, effectively valve rod is played effect fixing and sealing, the perpendicularity that keeps valve rod, and simple in structure, be easy to realize.
In the utility model specific embodiment, described flap assembly comprises flap 5 and disc gland 8, described flap 5 is sheathed on the outer side wall of disc gland 8, described disc gland 8 is fixed in the lower end of valve rod 4, also be provided with divided ring 7 and flap pad 6 between described flap 5 and disc gland 8, this divided ring 7 and flap 6 vertically distribute to arrange successively, effectively fixing flap, and it is convenient that flap is changed, and greatly improved practicability; Wherein, described operating device comprises handwheel 16, pad 17 and Stem Mut 18, described handwheel 16 is sheathed on the upper end of valve rod 4, handwheel 16 is fixed in valve rod 4 upper ends by Stem Mut 18, the lower end of Stem Mut 18 is provided with pad 17, and handwheel can effectively be controlled moving up and down of flap, has realized the keying of valve, and simple in structure, be easy to realize.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. heavy caliber self sealing valve, comprise valve body, the valve gap that is fixedly connected with valve body, valve rod and flap assembly, this valve body and valve gap consist of valve pocket, be provided with fluid input and fluid output with the valve pocket conducting on described valve body, the lower end of described valve rod connects the flap assembly, this flap assembly is arranged in valve pocket, isolated valve pocket setting, the upper end of described valve rod is provided with operating device, it is characterized in that: described valve body integral type forging molding, be provided with filler assembly on described valve gap, valve rod passes the filler assembly setting.
2. heavy caliber self sealing valve according to claim 1, it is characterized in that: described filler assembly comprises Stuffing box, filler, filler pressing sleeve and hold-down grid, described Stuffing box is sheathed on valve rod, and the outer wall of this Stuffing box is fixedly connected with valve gap, be provided with packing layer between described valve rod and Stuffing box inwall, described filler pressing sleeve is arranged at the top of filler, and described hold-down grid is arranged at the top of filler pressing sleeve, and hold-down grid is fixedly connected with valve gap.
3. heavy caliber self sealing valve according to claim 1 and 2, it is characterized in that: described flap assembly comprises flap and disc gland, described flap is sheathed on the outer side wall of disc gland, described disc gland is fixed in the lower end of valve rod, also be provided with divided ring and flap pad between described flap and disc gland, this divided ring and flap vertically distribute successively and arrange.
4. heavy caliber self sealing valve according to claim 1 and 2, it is characterized in that: described operating device comprises handwheel, pad and Stem Mut, described handwheel sleeve is located at the upper end of valve rod, and handwheel is fixed in the valve rod upper end by Stem Mut, and the lower end of Stem Mut is provided with pad.
5. heavy caliber self sealing valve according to claim 2, it is characterized in that: described packing layer is double-deck filler, is provided with the filler dottle pin between two-layer filler.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220578736 CN202927063U (en) | 2012-11-05 | 2012-11-05 | Large-diameter self-sealing valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220578736 CN202927063U (en) | 2012-11-05 | 2012-11-05 | Large-diameter self-sealing valve |
Publications (1)
Publication Number | Publication Date |
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CN202927063U true CN202927063U (en) | 2013-05-08 |
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ID=48217023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220578736 Expired - Lifetime CN202927063U (en) | 2012-11-05 | 2012-11-05 | Large-diameter self-sealing valve |
Country Status (1)
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CN (1) | CN202927063U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104455701A (en) * | 2014-11-24 | 2015-03-25 | 苏州福润机械有限公司 | Double-layer dynamical seal structure of valve |
WO2016169252A1 (en) * | 2015-04-22 | 2016-10-27 | 南通市天源阀门制造有限公司 | Integrated stop valve |
CN107363456A (en) * | 2017-09-05 | 2017-11-21 | 芜湖三花自控元器件有限公司 | A kind of short straight tube weldment perpendicularity device |
-
2012
- 2012-11-05 CN CN 201220578736 patent/CN202927063U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104455701A (en) * | 2014-11-24 | 2015-03-25 | 苏州福润机械有限公司 | Double-layer dynamical seal structure of valve |
WO2016169252A1 (en) * | 2015-04-22 | 2016-10-27 | 南通市天源阀门制造有限公司 | Integrated stop valve |
CN107363456A (en) * | 2017-09-05 | 2017-11-21 | 芜湖三花自控元器件有限公司 | A kind of short straight tube weldment perpendicularity device |
CN107363456B (en) * | 2017-09-05 | 2024-02-23 | 芜湖三花自控元器件有限公司 | Short straight tube weldment straightness device that hangs down |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 325100 Zhejiang County of Yongjia province Xu Ao Rural Industrial Zone Patentee after: ZHONGTAI VALVE Co.,Ltd. Address before: 325000 Xu Ao Industrial Zone, Yongjia County, Wenzhou City, Zhejiang Province, Zhejiang Patentee before: ZHEJIANG ZHONGTAI VALVE Co.,Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20130508 |
|
CX01 | Expiry of patent term |