CN202927103U - Low-temperature stop valve - Google Patents
Low-temperature stop valve Download PDFInfo
- Publication number
- CN202927103U CN202927103U CN 201220593437 CN201220593437U CN202927103U CN 202927103 U CN202927103 U CN 202927103U CN 201220593437 CN201220593437 CN 201220593437 CN 201220593437 U CN201220593437 U CN 201220593437U CN 202927103 U CN202927103 U CN 202927103U
- Authority
- CN
- China
- Prior art keywords
- valve
- flashboard
- filler
- valve body
- gap
- 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 - Lifetime
Links
Abstract
The utility model relates to the field of valves, in particular to a low-temperature stop valve. The utility model adopts the following technical scheme: the low-temperature stop valve comprises a valve body, a valve cover, a valve rod and a gate plate, wherein the valve body is fixedly connected with the valve cover; the valve body and the valve cover form a valve cavity; a hollow valve seat is arranged in the valve cavity; the hollow part forms a flow channel; the lower end of the valve rod is connected with the gate plate; the gate plate is hermetically connected with the valve seat and used for isolating 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 arranged on the valve body; a bracket is also integrally arranged on the valve cover; a through hole communicated with the fluid inlet is formed in the gate plate; and the through hole is communicated with the valve cavity. The low-temperature stop valve has the benefits as follows: the valve cover and the bracket are integrated; the defects of air holes, sand holes, cracks and the like easily generated in the welding process and the hidden trouble of leakage caused by the stress corrosion, the cracks and the like of welding points due to mediums and complicated working conditions are removed; the valve body is attractive in overall appearance and compact in structure; and the service life of the valve is greatly prolonged.
Description
Technical field
The utility model relates to valve field, refers to especially a kind of cryogenic globe valve.
Background technique
The open-shut device of cryogenic globe valve is flashboard, and moving direction and the flow direction of flashboard are perpendicular.And cryogenic globe valve is widely used under the environment of low temperature, uses in order to adapt under low temperature environment, needs to increase the length of valve gap, is welded with support above valve gap, and 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; Cause 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 life-span to grow and the stable cryogenic globe valve of appearance quality.
the technical solution of the utility model is achieved in that a kind of cryogenic globe valve, comprise valve body, valve gap, valve rod and flashboard, described valve body is fixedly connected with valve gap, this 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 flashboard, this flashboard 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, it is characterized in that: go back integral type on described valve gap and be provided with support, and be provided with the through hole that communicates with fluid input on described flashboard, this through hole conducting valve pocket.
By adopting technique scheme, valve gap and support integral molding are arranged, 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, has greatly improved working life.
The utility model further is set to: described flashboard adopts the inclined-plane to be connected with valve seat, and is provided with seal ring on valve seat, and sealing circle and flashboard are tightly connected.
By adopting technique scheme, effectively prevent the leakage of medium, better guarantee the sealing function of flashboard.
The utility model also further is set to: described operating device comprises that handwheel, Stem Mut reach than flat nut, 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.
The utility model also further is set to: the upper end of described valve gap is provided with filler assembly, 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.
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 cryogenic globe valve, comprise valve body 1, valve gap 2, valve rod 13 and flashboard 14, described valve body 1 is fixedly connected with valve gap 2, this valve body 1 consists of valve pocket 15 with valve gap 2, be provided with the valve seat 10 that hollow arranges in described valve pocket 15, this hollow space consists of runner 101, the lower end of described valve rod 13 is connected with flashboard 14, this flashboard 14 is tightly connected with valve seat 10, isolated runner 101 arranges, and the upper end of valve rod 13 is provided with operating device, and be provided with the fluid input 11 and the fluid output 12 that communicate with runner 101 on valve body 1, in the utility model specific embodiment, go back integral type on described valve gap 2 and be provided with support 21, and be provided with the through hole 141 that communicates with fluid input 11 on described flashboard 14, these through hole 141 conducting valve pockets 15, with valve gap 2 and support 21 integral molding settings, wherein, adopt the swage forging making process, with valve gap and support 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.
In the utility model specific embodiment, described flashboard 14 adopts the inclined-plane to be connected with valve seat 10, and is provided with seal ring 9 on valve seat, and sealing circle 9 is tightly connected with flashboard 14, effectively prevents the leakage of medium, better guarantees the sealing function of flashboard; Described operating device comprises that handwheel 4, Stem Mut 3 reach than flat nut 5, described Stem Mut 3 adopts with the upper end outer wall of valve rod 13 and is threaded, described handwheel 4 is sheathed on the outside of Stem Mut 3, than flat nut 5, handwheel 4 is pressed on Stem Mut 3, handwheel 4 can effectively be controlled moving up and down of valve rod, realized the keying of gate valve, and simple in structure, be easy to realize; The upper end of described valve gap 2 is provided with filler assembly, 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 13 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, and this hold-down grid 7 is fixedly connected with valve gap 2, effectively valve rod is played fixing effect, keep the perpendicularity of valve rod.
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 (4)
1. cryogenic globe valve, comprise valve body, valve gap, valve rod and flashboard, described valve body is fixedly connected with valve gap, this 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 flashboard, this flashboard 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, it is characterized in that: go back integral type on described valve gap and be provided with support, and be provided with the through hole that communicates with fluid input on described flashboard, this through hole conducting valve pocket.
2. cryogenic globe valve according to claim 1 is characterized in that: described flashboard adopts the inclined-plane to be connected with valve seat, and is provided with seal ring on valve seat, and sealing circle and flashboard are tightly connected.
3. cryogenic globe valve according to claim 1 and 2, it is characterized in that: described operating device comprises that handwheel, Stem Mut reach than flat nut, 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.
4. cryogenic globe valve according to claim 1 and 2, it is characterized in that: the upper end of described valve gap is provided with filler assembly, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593437 CN202927103U (en) | 2012-11-12 | 2012-11-12 | Low-temperature stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593437 CN202927103U (en) | 2012-11-12 | 2012-11-12 | Low-temperature stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202927103U true CN202927103U (en) | 2013-05-08 |
Family
ID=48217063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220593437 Expired - Lifetime CN202927103U (en) | 2012-11-12 | 2012-11-12 | Low-temperature stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202927103U (en) |
-
2012
- 2012-11-12 CN CN 201220593437 patent/CN202927103U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202927062U (en) | Corrugated pipe stop valve | |
| CN201326823Y (en) | Corrugated pipe stop valve for chlorine | |
| CN203717940U (en) | Pressing valve | |
| CN202927103U (en) | Low-temperature stop valve | |
| CN203442151U (en) | Automatic compensation sleeve double-seat valve | |
| CN202927063U (en) | Large-diameter self-sealing valve | |
| CN203115140U (en) | Flange gate valve | |
| CN203926966U (en) | Heavy caliber core bar integral type modulating valve | |
| CN204201202U (en) | A kind of Depressure valve | |
| CN202215812U (en) | Novel reducing valve | |
| CN207229789U (en) | U-shaped noise reduction cage type regulating valve | |
| CN202927061U (en) | Y-shaped stop valve without valve cap | |
| CN204127476U (en) | A kind of sealing configuration of gas valve | |
| CN203743459U (en) | High-pressure adjusting valve | |
| CN203940111U (en) | A kind of multi-step pressure reduction low noise cage type regulating valve | |
| CN203488817U (en) | Welded and fixed ball valve | |
| CN204922048U (en) | Choke valve valve rod | |
| CN204664466U (en) | Ball valve | |
| CN203892643U (en) | External pilot relief valve structure | |
| CN204312723U (en) | The butterfly valve of a kind of band half spherical arc shape butterfly plate | |
| CN204226713U (en) | A kind of bottle throughway valve | |
| CN203670193U (en) | Connection device for safety valve | |
| CN202469092U (en) | Flange swing check valve | |
| CN203940083U (en) | Novel power-assisted cut-off device | |
| CN203395212U (en) | Stainless steel angle seat valve |
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 |