CN203979421U - A kind of valve - Google Patents
A kind of valve Download PDFInfo
- Publication number
- CN203979421U CN203979421U CN201420326944.3U CN201420326944U CN203979421U CN 203979421 U CN203979421 U CN 203979421U CN 201420326944 U CN201420326944 U CN 201420326944U CN 203979421 U CN203979421 U CN 203979421U
- Authority
- CN
- China
- Prior art keywords
- valve
- gland
- spool
- screw thread
- valve rod
- 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
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- Lift Valve (AREA)
Abstract
The utility model provides a kind of valve, comprise valve body and spool, spool is arranged in valve body by screw thread, the two ends of valve body are provided with liquid entering hole and liquid outlet, valve body upper end is provided with described in spool mount inlet and is provided with by the right side between liquid entering hole and liquid outlet, left side wall is divided into 3 inner chambers, spool comprises valve core, valve rod and gland, valve core and gland are sleeved on valve rod, gland is positioned at valve core top, its inside is provided with sealing gasket, sealing gasket is enclosed within on valve rod, valve core is provided with the first annular protrusion from top to bottom successively, the first seal groove, the second annular protrusion, the second seal groove and thread protrusion, the screw thread of thread protrusion and spool mount inlet lower inside matches, gland is stretched out in valve rod outer end, the inner is provided with plug, plug top is provided with copper backing, valve core is located at copper backing top.The beneficial effects of the utility model are: easy to maintenance, and good sealing effect, long service life, energy saving.
Description
Technical field
The utility model belongs to fluid flow control apparatus field, especially relates to a kind of valve.
Background technique
Valve, as the switch controlling device in the airtight transmitting procedure of flowing medium, uses very extensive in society.When use, the water intake of valve and water outlet are accessed respectively in pipeline, by the keying degree of switch on regulating valve, reach the object of pilot line uninterrupted, in prior art, spool is normally made up of valve core, valve rod and gland, valve core and gland are structure as a whole, and are provided with some circular ports on gland, and this just easily causes poorly sealed, there is liquid leakage phenomenon, affect the working life of valve.
Summary of the invention
The purpose of this utility model is to provide the valve of a kind of good sealing effect, long service life, convenient for maintaining.
The technical solution of the utility model is: a kind of valve, comprise valve body and spool, described spool is arranged in valve body, and the two ends of described valve body are provided with liquid entering hole and liquid outlet, and described valve body upper end is provided with spool mount inlet, this spool mount inlet upper outside is provided with screw thread, lower inside is provided with screw thread, is provided with by right, left side wall and is divided into 3 inner chambers between described liquid entering hole and liquid outlet, and wherein the below of the right side wall of liquid entering hole end is provided with liquid-through hole, the left side wall top of liquid outlet end is provided with liquid-through hole
Described spool comprises valve core, valve rod and gland, described valve core and gland are sleeved on valve rod, the longitudinally lifting of described valve rod, described gland is positioned at valve core top, its gland inside is provided with sealing gasket, described sealing gasket is enclosed within on valve rod, described valve core is provided with the first annular protrusion from top to bottom successively, the first seal groove, the second annular protrusion, the second seal groove and the 3rd annular protrusion, in described seal groove, seal ring is installed, sealing snare is connected on valve rod, the outside of described the 3rd annular protrusion is along the circumferential direction provided with screw thread, the screw thread of the 3rd annular protrusion and spool mount inlet lower inside matches, gland is stretched out in described valve rod upper end, lower end is provided with plug, described plug top is provided with copper backing, copper backing is socketed on valve rod, described valve core is located at copper backing top.
Further, the inwall of described liquid entering hole is also provided with screw thread, and the outer wall of liquid outlet is also provided with screw thread.
Further, described plug is rubber pad or plastic mattress.
Further, described gland is regular hexagon.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, spool is connected with valve body screw thread, easily dismounting, convenient for maintaining; Be provided with sealing gasket in gland inside, avoid the phenomenon that leaks outside, be provided with multi-layer sealed circle, make sealing effect better; Carry out the fluid flow in pilot line by regulating valve stem, reach energy-conservation object; There is the advantages such as easy to maintenance, good sealing effect, long service life, energy saving.
Brief description of the drawings
Fig. 1 is the structural representation of valve body of the present utility model.
Fig. 2 is the side view of valve body.
Fig. 3 is valve core structure schematic diagram.
Fig. 4 is the plan view of spool.
In figure:
| 1, liquid entering hole | 2, liquid outlet | 3, spool mount inlet |
| 4, screw thread | 5, inner chamber | 6, liquid-through hole |
| 7, valve rod | 8, gland | 9, the first annular protrusion |
| 10, the first seal groove | 11, the second annular protrusion | 12, the second seal groove |
| 13, the 3rd annular protrusion | 14, plug | 15, copper backing |
| 16, right side wall | 17, left side wall | ? |
Embodiment
As Figure 1-4,
The technical solution of the utility model is: a kind of valve, comprise valve body and spool, described spool is arranged in valve body, the two ends of described valve body are provided with liquid entering hole 1 and liquid outlet 2, described valve body upper end is provided with spool mount inlet 3, these spool mount inlet 3 upper outside are provided with screw thread 4, lower inside is provided with screw thread 4, between described liquid entering hole 1 and liquid outlet 2, be provided with by right, left side wall and be divided into 3 inner chambers, wherein the below of the right side wall 16 of liquid entering hole 1 end is provided with liquid-through hole 6, left side wall 17 tops of liquid outlet 2 ends are provided with liquid-through hole 6
Described spool comprises valve core, valve rod 7 and gland 8, described valve core and gland 8 are sleeved on valve rod 7, the longitudinally lifting of described valve rod 7, described gland 8 is positioned at valve core top, its gland 8 inside are provided with sealing gasket, described sealing gasket is enclosed within on valve rod 7, described valve core is provided with the first annular protrusion 9 from top to bottom successively, the first seal groove 10, the second annular protrusion 11, the second seal groove 12 and the 3rd annular protrusion 13, in described seal groove, seal ring is installed, sealing snare is connected on valve rod 7, the outside of described the 3rd annular protrusion 13 is along the circumferential direction provided with screw thread 4, the 3rd annular protrusion 13 matches with the screw thread 4 of spool mount inlet 3 lower inside, gland 8 is stretched out in described valve rod 7 upper ends, lower end is provided with plug 14, described plug 14 tops are provided with copper backing 15, copper backing 15 is socketed on valve rod 7, described valve core is located at copper backing 15 tops.
In the present embodiment, the inwall of described liquid entering hole 1 is also provided with screw thread 4, and the outer wall of liquid outlet 2 is also provided with screw thread 4, and described plug 14 is rubber pad or plastic mattress, and described gland 8 is regular hexagon.
The working procedure of this example: when use, the liquid entering hole of valve 1 and liquid outlet 2 are accessed respectively in pipeline, liquid medium flows into from the liquid-through hole 6 of liquid entering hole 1, make the fluid flow in plug 14 pilot line of valve rod 7 the inners by regulating valve stem 7, rely on the seal ring in gland 8, on valve core to play seal action simultaneously; When valve is in the time closing, plug 14 can stop the flow of fluid in pipeline.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (4)
1. a valve, comprise valve body and spool, it is characterized in that: described spool is arranged in valve body, the two ends of described valve body are provided with liquid entering hole and liquid outlet, and described valve body upper end is provided with spool mount inlet, this spool mount inlet upper outside is provided with screw thread, lower inside is provided with screw thread, is provided with by right, left side wall and is divided into 3 inner chambers between described liquid entering hole and liquid outlet, and wherein the below of the right side wall of liquid entering hole end is provided with liquid-through hole, the left side wall top of liquid outlet end is provided with liquid-through hole
Described spool comprises valve core, valve rod and gland, described valve core and gland are sleeved on valve rod, the longitudinally lifting of described valve rod, described gland is positioned at valve core top, its gland inside is provided with sealing gasket, described sealing gasket is enclosed within on valve rod, described valve core is provided with the first annular protrusion from top to bottom successively, the first seal groove, the second annular protrusion, the second seal groove and the 3rd annular protrusion, in described seal groove, seal ring is installed, sealing snare is connected on valve rod, the outside of described the 3rd annular protrusion is along the circumferential direction provided with screw thread, the screw thread of the 3rd annular protrusion and spool mount inlet lower inside matches, gland is stretched out in described valve rod upper end, lower end is provided with plug, described plug top is provided with copper backing, copper backing is socketed on valve rod, described valve core is located at copper backing top.
2. a kind of valve according to claim 1, is characterized in that: the inwall of described liquid entering hole is also provided with screw thread, the outer wall of liquid outlet is also provided with screw thread.
3. a kind of valve according to claim 1, is characterized in that: described plug is rubber pad or plastic mattress.
4. a kind of valve according to claim 1, is characterized in that: described gland is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326944.3U CN203979421U (en) | 2014-06-19 | 2014-06-19 | A kind of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326944.3U CN203979421U (en) | 2014-06-19 | 2014-06-19 | A kind of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979421U true CN203979421U (en) | 2014-12-03 |
Family
ID=51976867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326944.3U Expired - Fee Related CN203979421U (en) | 2014-06-19 | 2014-06-19 | A kind of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979421U (en) |
-
2014
- 2014-06-19 CN CN201420326944.3U patent/CN203979421U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |