CN202884177U - Low-temperature stop valve with decompression hole - Google Patents
Low-temperature stop valve with decompression hole Download PDFInfo
- Publication number
- CN202884177U CN202884177U CN 201220502467 CN201220502467U CN202884177U CN 202884177 U CN202884177 U CN 202884177U CN 201220502467 CN201220502467 CN 201220502467 CN 201220502467 U CN201220502467 U CN 201220502467U CN 202884177 U CN202884177 U CN 202884177U
- Authority
- CN
- China
- Prior art keywords
- valve
- long
- neck
- filler
- relief hole
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model relates to a low-temperature stop valve with a decompression hole. The low-temperature stop valve comprises a valve body (1), a long-neck valve cover (2), a valve rod (6) and a filler annular groove (5), wherein the valve body (1) is connected with the long-neck valve cover (2) through a bolt, the valve rod (6) is stretched into the long-neck valve cover (2) and in threaded connection with the long-neck valve cover (2), and the filler annular groove (5) is formed on the inner side of the top of the long-neck valve cover (2). The low-temperature stop valve further comprises the decompression hole (3) and a seal plug (4), wherein the decompression hole (3) is formed in the top of the long-neck valve cover (2), and the seal plug (4) is in threaded match connection with the decompression hole (3). Filler is filled inside the filler annular groove (5), the valve rod (6) contacts the filler, and the upper end of the valve rod (6) is fixedly connected with a hand wheel (7). The low-temperature stop valve has the advantages that the side wall of the long-neck valve cover (2) is provided with the decompression hole (3), an original structure of a valve does not need changing, and safety of material replacement is guaranteed. Meanwhile, the seal plug (4) is screwed when the valve works, and normal work of the valve is guaranteed.
Description
Technical field
The utility model relates to a kind of cryogenic globe valve, particularly a kind of cryogenic globe valve with relief hole.
Background technique
Subzero valve generally adopts the long-neck valve cover structure, and there are certain interval in valve rod and valve gap.More residual liquid of meeting in the valve closing post gap, As time goes on, residual liquid can go back up to normal temperature and again gasify and produce high pressure, and act between valve rod and the valve gap, cause valve gap, stem packing distortion, even break and can't use, and when maintenance or changing filler, easily make the pressure abrupt release between valve gap and the valve rod, cause security incident.
The model utility content
The purpose of this utility model is to overcome the shortcoming of prior art, and a kind of valve original structure, safe and reliable cryogenic globe valve with relief hole need do not changed is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of cryogenic globe valve with relief hole, comprise valve body, the long-neck valve gap that is bolted with valve body, stretch into long-neck valve gap valve rod inner and that be threaded connection with the long-neck valve gap and be opened in the inboard filler circular groove of long-neck valve tops, it also comprises relief hole and sealing plug, the top of long-neck valve gap offers relief hole, and sealing plug is connected by screw-thread fit with relief hole.
Described filler circular groove inside is filled with filler, valve rod and filler close contact.
The upper end of described valve rod is fixedly connected with handwheel.
The utlity model has following advantage:
1, offers relief hole at long-neck valve gap sidewall, need not change the valve original structure.
2, offer a relief hole in the bottom of the filler circular groove at the top of long-neck valve gap, so that when under operating mode, changing filler, can discharge by relief hole the pressure of long-neck valve gap and valve rod inside, the safety when guaranteeing the replacing filler.
3, sealing plug and relief hole are threaded connection, and can guarantee that the pressure of long-neck valve gap and valve rod inside can not leak when valve working.
Description of drawings
Fig. 1 is structural representation of the present utility model
Among the figure: 1-valve body, 2-long-neck valve gap, 3-relief hole, 4-sealing plug, 5-filler circular groove, 6-valve rod, 7-handwheel.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of cryogenic globe valve with relief hole, comprise valve body 1, the long-neck valve gap 2 that is bolted with valve body 1, stretch into long-neck valve gap 2 valve rod 6 inner and that be threaded connection with long-neck valve gap 2 and be opened in long-neck valve gap 2 inside top filler circular grooves 5, it also comprises relief hole 3 and sealing plug 4, and the top of long-neck valve gap 2 offers relief hole 3, and sealing plug 4 and relief hole 3 are connected by screw-thread fit; Filler circular groove 5 inside are filled with filler, valve rod 6 and filler close contact; The upper end of valve rod 6 is fixedly connected with handwheel 7.
Specific works process of the present utility model is as follows: when under operating mode, changing filler, sealing plug 4 is screwed off, release the pressure between long-neck valve gap 2 and the valve rod 6 after, then change filler; Behind the complete filler to be replaced, with sealing plug 4 cycle original positions.
Claims (3)
1. cryogenic globe valve with relief hole, comprise valve body (1), the long-neck valve gap (2) that is bolted with valve body (1), stretch into long-neck valve gap (2) valve rod (6) inner and that be threaded connection with long-neck valve gap (2) and be opened in long-neck valve gap (2) inside top filler circular groove (5), it is characterized in that: it also comprises relief hole (3) and sealing plug (4), the top of long-neck valve gap (2) offers relief hole (3), and sealing plug (4) is connected by screw-thread fit with relief hole (3).
2. a kind of cryogenic globe valve with relief hole according to claim 1, it is characterized in that: described filler circular groove (5) inside is filled with filler, valve rod (6) and filler close contact.
3. a kind of cryogenic globe valve with relief hole according to claim 1 and 2, it is characterized in that: the upper end of described valve rod (6) is fixedly connected with handwheel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502467 CN202884177U (en) | 2012-09-28 | 2012-09-28 | Low-temperature stop valve with decompression hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502467 CN202884177U (en) | 2012-09-28 | 2012-09-28 | Low-temperature stop valve with decompression hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884177U true CN202884177U (en) | 2013-04-17 |
Family
ID=48075607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220502467 Expired - Fee Related CN202884177U (en) | 2012-09-28 | 2012-09-28 | Low-temperature stop valve with decompression hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105851452A (en) * | 2016-05-17 | 2016-08-17 | 周利 | Constant-pressure valve structural system of ice cream machine |
| CN109323042A (en) * | 2018-09-26 | 2019-02-12 | 河北博路天宝石油设备制造有限公司 | A kind of oil equipment is with just tearing valve open |
-
2012
- 2012-09-28 CN CN 201220502467 patent/CN202884177U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105851452A (en) * | 2016-05-17 | 2016-08-17 | 周利 | Constant-pressure valve structural system of ice cream machine |
| CN109323042A (en) * | 2018-09-26 | 2019-02-12 | 河北博路天宝石油设备制造有限公司 | A kind of oil equipment is with just tearing valve open |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204004499U (en) | A kind of double-valve-seat Double-sealing plate sluice valve | |
| CN202884177U (en) | Low-temperature stop valve with decompression hole | |
| CN203614988U (en) | Pipeline emergency repair plugging device | |
| CN204692595U (en) | Industrial refrigeration right-angle type screw down nonreturn valve | |
| CN204173399U (en) | There is manhole cover assembly and the relief valve device wherein of relief valve device | |
| CN204372220U (en) | Thread bush collar nut guide-localization top-loading ball valve | |
| CN203081401U (en) | Manual-hydraulic drive flat valve | |
| CN203453478U (en) | Device for opening and closing 35MPa vehicle gas cylinder during gas filling | |
| CN203189772U (en) | Guiding lifting type heat preservation plug valve | |
| CN202327148U (en) | Valve core of sampling valve for main transformer oil for nuclear power plant and sampling valve for main transformer oil | |
| CN203784441U (en) | Improved dual-sealing anti-theft valve | |
| CN201285686Y (en) | External switch type oil pumping valve for transformer | |
| CN204153167U (en) | A kind of rock gas control valve blowdown pressure release mouth | |
| CN205090191U (en) | Can take and press device of changing high -pressure oil gas storage tank jar mouth and connecting | |
| CN205013699U (en) | Nuclear safety level needle type valve | |
| CN203395312U (en) | Double-sealed self-closing cylinder valve | |
| CN202937844U (en) | Check valve structure of backflow checker | |
| CN202900356U (en) | Inlet valve middle structure | |
| CN208281527U (en) | A kind of dismountable throttle valve of valve deck | |
| CN202708149U (en) | Novel anti-theft gate valve | |
| CN201401552Y (en) | Stuffing box for gate valve | |
| CN204596632U (en) | A kind of power capacitor | |
| CN202971943U (en) | Gas bottle valve | |
| CN203614764U (en) | Emergency shut valve with corrugated pipe | |
| CN203239939U (en) | Rapid fuel gas valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANYANG ZHONGYUAN LOW TEMPERATURE EQUIPMENT KIT CO., LTD. Assignor: Jianyang Xinghua Machinery Co., Ltd. Contract record no.: 2014510000004 Denomination of utility model: Low-temperature stop valve with decompression hole Granted publication date: 20130417 License type: Exclusive License Record date: 20140122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20190928 |