CN203009854U - Needle valve - Google Patents
Needle valve Download PDFInfo
- Publication number
- CN203009854U CN203009854U CN 201220754021 CN201220754021U CN203009854U CN 203009854 U CN203009854 U CN 203009854U CN 201220754021 CN201220754021 CN 201220754021 CN 201220754021 U CN201220754021 U CN 201220754021U CN 203009854 U CN203009854 U CN 203009854U
- Authority
- CN
- China
- Prior art keywords
- hole
- control hole
- valve
- valve body
- 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
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a needle valve comprising a valve body; the valve body is provided with a horizontal air inlet hole, a horizontal air outlet hole and a vertical control hole; the air inlet hole is communicated with the bottom of the control hole; a valve rod with the upper part penetrating out of the valve body is arranged in the control hole; a step matched with the bottom of the valve rod and used for blocking the control hole is arranged in the control hole; the air outlet hole is communicated with the control hole at the upper part of the step; a containing cavity coaxial with the control hole is further arranged at the upper part of the valve body; a pressing gasket, a sealing gasket and a disc spring sleeved on the valve body are arranged in sequence from bottom to top in the containing cavity; and the upper part of the valve body is provided with a locking nut for sealing the containing cavity. The needle valve disclosed by the utility model has the advantages of adopting the disc spring and being short in travel, convenient to use and high in safety; and the pressing gasket is further arranged, so that the pressing effect is improved and the air impermeability is guaranteed.
Description
Technical field
The utility model relates to a kind of needle type valve.
Background technique
needle type valve has easy installation and removal, , corrosion-resistant, connect fastening, be conducive to fire prevention, explosion-proof high with voltage endurance capability, favorable sealing property, the advantages such as long service life, it is the power station, oil refining, the valve of a kind of advanced Placement in chemical plant installations and instrument measurement pipeline, along with iron and steel, space flight, chemical industry, oil refining, the develop rapidly of the industry such as coalification and shipbuilding, the gas flow regulating and controlling is more and more important in application, convenient on using, safety, the demand of stability improves greatly, present needle type valve all adopts the stage clip setting, bearing capacity is poor, and whole needle type valve easily leaks gas.
The model utility content
The purpose of this utility model is to provide a kind of needle type valve, can effectively solve present needle type valve bearing capacity poor, easily the problem of gas leakage.
in order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of needle type valve, comprise valve body, described valve body is provided with the inlet hole of level, the air outlet hole of level and vertical control hole, described inlet hole communicates bottom control hole, be provided with the valve rod that top passes valve body in described control hole, be provided with the step that coordinates with stem bottom the control hole blocking-up in described control hole, described air outlet hole communicates with the control hole on step top, described valve body top also is provided with the receiving cavity coaxial with control hole, be provided with successively from the bottom to top the compress gasket that is set on valve rod in described receiving cavity, gasket seal, the dish spring, described valve body top is provided with the lock nut with the receiving cavity sealing.
Preferably, the top of described valve rod is provided with handle; The convenient valve rod of controlling.
Preferably, the cross section at the top of described valve rod is square or equilateral triangle or ellipse, and the middle part of described handle has the fixed hole suitable with the valve rod top; Valve rod firmly is connected with handle.
Optionally, described stem bottom is hemisphere; Be convenient to manufacturing.
Preferably, described stem bottom is conical; Good sealing effect.
Preferably, described conical bottom is provided with annular rib; Increasing one deck sealing ensures again.
Compared with prior art, the utility model has the advantages that: adopt the short convenience that is used in combination of dish spring stroke, safe, then compress gasket is set, and improve the compression effect, guarantee tightness.
Description of drawings
Fig. 1 is the structural representation of a kind of needle type valve of the utility model;
Fig. 2 is the structural representation of valve rod in a kind of needle type valve of the utility model.
Embodiment
consult Fig. 1, Fig. 2 is the embodiment of a kind of needle type valve of the utility model, a kind of needle type valve, comprise valve body 1, described valve body 1 is provided with the inlet hole 2 of level, the air outlet hole 3 of level and vertical control hole 4, described inlet hole 2 communicates with control hole 4 bottoms, be provided with the valve rod 5 that top passes valve body 1 in described control hole 4, be provided with the step 6 that coordinates with valve rod 5 bottoms control hole 4 blocking-up in described control hole 4, described air outlet hole 3 communicates with the control hole 4 on step 6 tops, described valve body 1 top also is provided with the receiving cavity 7 coaxial with control hole 4, be provided with successively from the bottom to top the compress gasket 8 that is set on valve rod 5 in described receiving cavity 7, gasket seal 9, dish spring 10, described valve body 1 top is provided with the lock nut 11 with receiving cavity 7 sealings, the top of described valve rod 5 is provided with handle 12, the top of described valve rod 5 is square, the middle part of described handle 12 has the fixed hole suitable with valve rod 5 tops, described valve rod 5 bottoms are conical, described conical bottom is provided with annular rib 13.
Described valve rod 5 bottoms also can be hemisphere.Adopt the short convenience that is used in combination of dish spring 10 strokes, safe, then compress gasket 8 is set, and improve the compression effect, guarantee tightness, horizontally disposed air outlet hole 3 and inlet hole 2 can make air inlet and give vent to anger more smooth and easy simultaneously.
Claims (6)
1. needle type valve, it is characterized in that: comprise valve body (1), described valve body (1) is provided with the inlet hole (2) of level, the air outlet hole of level (3) and vertical control hole (4), described inlet hole (2) communicates bottom control hole (4), be provided with the valve rod (5) that top passes valve body (1) in described control hole (4), be provided with the step (6) that coordinates control hole (4) blocking-up in described control hole (4) bottom valve rod (5), described air outlet hole (3) communicates with the control hole (4) on step (6) top, described valve body (1) top also is provided with the receiving cavity (7) coaxial with control hole (4), be provided with successively from the bottom to top the compress gasket (8) that is set on valve rod (5) in described receiving cavity (7), gasket seal (9), dish spring (10), described valve body (1) top is provided with the lock nut (11) with receiving cavity (7) sealing.
2. a kind of needle type valve as claimed in claim 1, it is characterized in that: the top of described valve rod (5) is provided with handle (12).
3. a kind of needle type valve as claimed in claim 2, it is characterized in that: the cross section at the top of described valve rod (5) is square or equilateral triangle or ellipse, and the middle part of described handle (12) has the fixed hole suitable with valve rod (5) top.
4. a kind of needle type valve as claimed in claim 1, is characterized in that: be hemisphere bottom described valve rod (5).
5. a kind of needle type valve as claimed in claim 1, is characterized in that: be taper shape bottom described valve rod (5).
6. a kind of needle type valve as claimed in claim 5, it is characterized in that: described conical bottom is provided with annular rib (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754021 CN203009854U (en) | 2012-12-29 | 2012-12-29 | Needle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754021 CN203009854U (en) | 2012-12-29 | 2012-12-29 | Needle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009854U true CN203009854U (en) | 2013-06-19 |
Family
ID=48601451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220754021 Expired - Fee Related CN203009854U (en) | 2012-12-29 | 2012-12-29 | Needle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776257A (en) * | 2015-04-03 | 2015-07-15 | 邹中宝 | Vertical shaft plate hammer crusher line air valve |
-
2012
- 2012-12-29 CN CN 201220754021 patent/CN203009854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776257A (en) * | 2015-04-03 | 2015-07-15 | 邹中宝 | Vertical shaft plate hammer crusher line air valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203009854U (en) | Needle valve | |
| CN204004499U (en) | A kind of double-valve-seat Double-sealing plate sluice valve | |
| CN203083786U (en) | Bearing waterproof airtight testing device | |
| CN203940237U (en) | Intelligent Double anti-leakage gas drainer | |
| CN103047425A (en) | Needle valve | |
| CN202140605U (en) | Split-assembly type sewage-discharging ball valve | |
| CN202022424U (en) | Safety bottle cap with pagoda-shaped spring | |
| CN203363325U (en) | Ventilated pressure increasing valve | |
| CN203453562U (en) | Gas fire extinguishing system container valve | |
| CN202790593U (en) | High temperature balanced type stop valve | |
| CN204213419U (en) | Novel diaphragm type one-way valve | |
| CN204755932U (en) | Novel needle type stop valve | |
| CN208281527U (en) | A kind of dismountable throttle valve of valve deck | |
| CN202091525U (en) | Multifunctional pressure gauge valve | |
| CN205633737U (en) | Jar is preserved to portable liquid nitrogen | |
| CN202580092U (en) | Novel high-temperature and high-pressure ball valve | |
| CN203627870U (en) | Simple ball valve | |
| CN209557649U (en) | A kind of anti-over-voltage from the safe end cap of pressure release | |
| CN210800072U (en) | Flange type stop valve with sealing ring gasket on flange surface | |
| CN105020401A (en) | Novel needle type stop valve | |
| CN204175991U (en) | A kind of sealing configuration of centre-pivoted butterfly valve | |
| CN207587494U (en) | A kind of impervious tank cover of transformer | |
| CN202252812U (en) | Buffer tank | |
| CN208829244U (en) | A kind of device for beer on draft plate type distributor that leakproofness is strong | |
| CN206299829U (en) | A kind of upper-mounting type ball valve valve seat construction |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20161229 |