CN202927062U - Corrugated pipe stop valve - Google Patents
Corrugated pipe stop valve Download PDFInfo
- Publication number
- CN202927062U CN202927062U CN 201220576443 CN201220576443U CN202927062U CN 202927062 U CN202927062 U CN 202927062U CN 201220576443 CN201220576443 CN 201220576443 CN 201220576443 U CN201220576443 U CN 201220576443U CN 202927062 U CN202927062 U CN 202927062U
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- Prior art keywords
- valve
- bellows
- valve body
- flap
- valve rod
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- Expired - Lifetime
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Abstract
The utility model relates to a corrugated pipe stop valve which comprises a valve body, a valve cap fixedly connected with the valve body, a valve rod and a valve clack, wherein the valve body and the valve cap form a valve cavity; a hollow valve seat is arranged in the valve cavity; a hollow part forms a flow channel; the lower end of the valve rod is connected with the valve clack; the valve clack is in sealing connection with the valve seat to isolate the flow channel; an operating mechanism is arranged at the upper end of the valve rod; a fluid inlet and a fluid outlet communicated with the flow channel are formed in the valve body; a lengthening part is connected with the valve body integrally; a corrugated pipe is arranged on the valve rod in a sleeving manner, and located in the lengthening part; the upper end of the corrugated pipe is contacted with the valve cap; and the lower end of the corrugated pipe is contacted with the valve clack. According to the corrugated pipe stop valve, the valve body and the lengthening part are integrally formed by forging; defects such as air holes, sand holes and cracks that are easily generated by welding are overcome; leaking hidden dangers such as stress corrosion and the cracks of a welding point due to media and complicated working conditions are eliminated; the valve body is attractive in integral appearance, and compact in structure; and the service life is prolonged greatly.
Description
Technical field
The utility model relates to valve field, refers to especially a kind of bellows stop valve.
Background technique
Stop valve applies in pipeline widely, when stop valve applies in the occasion of high vacuum and industry, sealing effect to the valve rod position has very large requirement, in existing stop valve, all be provided with filler assembly at the valve rod outer wall, and be arranged at the top of valve gap, play certain sealing effect, a part of valve rod of this structure does not also play sealing completely, exist situation about revealing to occur, and must increase on valve body, namely be welded with lengthening part on valve body, wherein welding region easily produces pore, sand holes, crackle etc.; Due to corrosivity and the temperature, pressure impact of medium, weld seam is very easily revealed; Welding region causes the appearance quality of stop valve unstable, and the precision of assembly parts is lower, causes adult shorter working life.
The model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of good sealing effect and working life long bellows stop valve.
the technical solution of the utility model is achieved in that a kind of bellows stop valve, comprise valve body, the valve gap that is fixedly connected with valve body, valve rod and flap, described valve body and valve gap consist of valve pocket, be provided with the valve seat that hollow arranges in described valve pocket, this hollow space consists of runner, the lower end of described valve rod is connected with flap, this flap is connected with valve base sealing, isolated runner setting, and the upper end of valve rod is provided with operating device, and be provided with the fluid input and the fluid output that communicate with runner on valve body, described valve gap upper end is provided with filler assembly, valve rod passes the filler assembly setting, it is characterized in that: on described valve body, integral type is connected with lengthening part, be arranged with bellows on described valve rod, this bellows is positioned at lengthening part, and the upper end of bellows contacts with valve gap, the lower end of bellows contacts with flap.
By adopting technique scheme, with valve body and lengthening part 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, greatly improved working life, and also be provided with bellows on valve rod, greatly improved sealability.
The utility model further is set to: be provided with on described valve rod for the fixing retainer ring in bellows lower end, this retainer ring is positioned at the lengthening part setting, and is positioned at flap top.
By adopting technique scheme, help fixing with bellows, effectively valve rod is sealed setting.
The utility model also further is set to: described flap adopts the inclined-plane to be connected with valve seat, and is provided with seal ring on valve seat, and sealing circle and flap are tightly connected.
By adopting technique scheme, effectively prevent the leakage of medium, better guarantee the sealing function of flap.
The utility model also further is set to: described filler assembly comprises filler, filler pressing sleeve and hold-down grid, this filler is embedded valve gap top setting, and be sheathed on the valve rod outer wall, filler pressing sleeve is arranged at filler top, and hold-down grid is arranged at the top of filler pressing sleeve, and this hold-down grid is fixedly connected with valve gap.
By adopting technique scheme, effectively valve rod is played fixing effect, keep the perpendicularity of valve rod.
The utility model also further is set to: described operating device reaches than flat nut for comprising handwheel, Stem Mut, described Stem Mut adopts with the upper end outer wall of valve rod and is threaded, described handwheel sleeve is located at the outside of Stem Mut, than flat nut with handwheel compress with Stem Mut on.
By adopting technique scheme, handwheel can effectively be controlled moving up and down of valve rod, has realized the keying of gate 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 bellows stop valve, comprise valve body 1, the valve gap 2 that is fixedly connected with valve body 1, valve rod 4 and flap 3, described valve body 1 consists of valve pocket 15 with valve gap 2, be provided with the valve seat 16 that hollow arranges in described valve pocket 15, this hollow space consists of runner 161, the lower end of described valve rod 4 is connected with flap 3, this flap 3 is tightly connected with valve seat 16, isolated runner 161 arranges, and the upper end of valve rod 4 is provided with operating device, and be provided with the fluid input 11 and the fluid output 12 that communicate with runner 161 on valve body 1, described valve gap 2 upper ends are provided with filler assembly, valve rod 4 passes the filler assembly setting, in the utility model specific embodiment, on described valve body 1, integral type is connected with lengthening part 13, be arranged with bellows 5 on described valve rod 4, this bellows 5 is positioned at lengthening part 13, and the upper end of bellows 5 contacts with valve gap 2, the lower end of bellows 5 contacts with flap 3, with valve body 1 and lengthening part 13 integral type forging moldings, wherein, adopt the swage forging making process, with valve gap and lengthening part disposable integral 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, greatly improved working life, and also be provided with bellows on valve rod, greatly improved sealability.
In the utility model specific embodiment, be provided with on described valve rod 4 for the fixing retainer ring 17 in bellows 5 lower ends, this retainer ring 17 is positioned at lengthening part 11 settings, and is positioned at flap 3 tops, help fixing with bellows 5, effectively valve rod is sealed setting; Described flap 3 adopts the inclined-plane to be connected with valve seat 16, and is provided with seal ring on valve seat 16, and sealing circle and flap 3 are tightly connected, and effectively prevent the leakage of medium, better guarantee the sealing function of flap; Described filler assembly comprises filler 6, filler pressing sleeve 7 and hold-down grid 8, this filler 6 is embedded valve gap 2 tops settings, and be sheathed on valve rod 4 outer walls, filler pressing sleeve 7 is arranged at filler 6 tops, and hold-down grid 8 is arranged at the top of filler pressing sleeve 7, this hold-down grid 8 is fixedly connected with valve gap 2, effectively valve rod is played fixing effect, keeps the perpendicularity of valve rod.
In the utility model specific embodiment, described operating device reaches than flat nut 14 for comprising handwheel 10, Stem Mut 9, described Stem Mut 9 adopts with the upper end outer wall of valve rod 4 and is threaded, described handwheel 10 is sheathed on the outside of Stem Mut 9, with on handwheel 10 compressions and Stem Mut 9, handwheel can effectively be controlled moving up and down of valve rod, has realized the keying of gate valve than flat nut 14, 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. bellows stop valve, comprise valve body, the valve gap that is fixedly connected with valve body, valve rod and flap, described valve body and valve gap consist of valve pocket, be provided with the valve seat that hollow arranges in described valve pocket, this hollow space consists of runner, the lower end of described valve rod is connected with flap, this flap is connected with valve base sealing, isolated runner setting, and the upper end of valve rod is provided with operating device, and be provided with the fluid input and the fluid output that communicate with runner on valve body, described valve gap upper end is provided with filler assembly, valve rod passes the filler assembly setting, it is characterized in that: on described valve body, integral type is connected with lengthening part, be arranged with bellows on described valve rod, this bellows is positioned at lengthening part, and the upper end of bellows contacts with valve gap, the lower end of bellows contacts with flap.
2. bellows stop valve according to claim 1 is characterized in that: be provided with on described valve rod for the fixing retainer ring in bellows lower end, this retainer ring is positioned at the lengthening part setting, and is positioned at flap top.
3. bellows stop valve according to claim 1 and 2 is characterized in that: described flap adopts the inclined-plane to be connected with valve seat, and is provided with seal ring on valve seat, and sealing circle and flap are tightly connected.
4. bellows stop valve according to claim 1 and 2, it is characterized in that: described filler assembly comprises filler, filler pressing sleeve and hold-down grid, this filler is embedded valve gap top setting, and be sheathed on the valve rod outer wall, filler pressing sleeve is arranged at filler top, and hold-down grid is arranged at the top of filler pressing sleeve, and this hold-down grid is fixedly connected with valve gap.
5. bellows stop valve according to claim 1 and 2, it is characterized in that: described operating device reaches than flat nut for comprising handwheel, Stem Mut, described Stem Mut adopts with the upper end outer wall of valve rod and is threaded, described handwheel sleeve is located at the outside of Stem Mut, than flat nut with handwheel compress with Stem Mut on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576443 CN202927062U (en) | 2012-11-05 | 2012-11-05 | Corrugated pipe stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576443 CN202927062U (en) | 2012-11-05 | 2012-11-05 | Corrugated pipe stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202927062U true CN202927062U (en) | 2013-05-08 |
Family
ID=48217022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220576443 Expired - Lifetime CN202927062U (en) | 2012-11-05 | 2012-11-05 | Corrugated pipe stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202927062U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179996A (en) * | 2014-07-16 | 2014-12-03 | 江苏南通申通机械有限公司 | Vacuum isolating valve |
| CN104179999A (en) * | 2014-07-16 | 2014-12-03 | 江苏南通申通机械有限公司 | Vacuum isolating valve, corrugated pipe in vacuum isolating valve and manufacturing method of corrugated pipe in vacuum isolating valve |
| CN106439060A (en) * | 2016-12-30 | 2017-02-22 | 华北水利水电大学 | Integrated low-temperature aluminum angle valve |
| CN109578594A (en) * | 2018-12-17 | 2019-04-05 | 中国原子能科学研究院 | A kind of sodium medium regulating valve |
| CN112984128A (en) * | 2021-02-18 | 2021-06-18 | 浙江万龙机械有限公司 | Corrugated pipe flushing-free valve |
-
2012
- 2012-11-05 CN CN 201220576443 patent/CN202927062U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179996A (en) * | 2014-07-16 | 2014-12-03 | 江苏南通申通机械有限公司 | Vacuum isolating valve |
| CN104179999A (en) * | 2014-07-16 | 2014-12-03 | 江苏南通申通机械有限公司 | Vacuum isolating valve, corrugated pipe in vacuum isolating valve and manufacturing method of corrugated pipe in vacuum isolating valve |
| CN106439060A (en) * | 2016-12-30 | 2017-02-22 | 华北水利水电大学 | Integrated low-temperature aluminum angle valve |
| CN106439060B (en) * | 2016-12-30 | 2018-09-18 | 华北水利水电大学 | Integral type low temperature aluminum angle valve |
| CN109578594A (en) * | 2018-12-17 | 2019-04-05 | 中国原子能科学研究院 | A kind of sodium medium regulating valve |
| CN109578594B (en) * | 2018-12-17 | 2023-09-29 | 中国原子能科学研究院 | Sodium medium regulating valve |
| CN112984128A (en) * | 2021-02-18 | 2021-06-18 | 浙江万龙机械有限公司 | Corrugated pipe flushing-free valve |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |