CN204985759U - Double containment high performance plunger type baiting valve - Google Patents
Double containment high performance plunger type baiting valve Download PDFInfo
- Publication number
- CN204985759U CN204985759U CN201520668126.6U CN201520668126U CN204985759U CN 204985759 U CN204985759 U CN 204985759U CN 201520668126 U CN201520668126 U CN 201520668126U CN 204985759 U CN204985759 U CN 204985759U
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- valve
- plunger
- valve rod
- sealing ring
- shaped
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- Expired - Fee Related
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Abstract
The utility model relates to a double containment high performance plunger type baiting valve, including valve body, case, valve rod, hand wheel, mainly be that the case is the plunger body, the one end system of this plunger body has the sealed face of case, and the other end fixed connection of the plunger body is equipped with between valve -stem nut and the support and prevents changeing the device on valve -stem nut's terminal surface, valve rod one end and hand wheel fixed connection, the other end and valve -stem nut screw thread fit connection, the body of the plunger with valve -stem nut link central system have with the endocentric round hole of valve rod, the aperture of this round hole is greater than the valve rod external diameter, the sealed face of case adopts metallic sealing ring and elasticity sealing ring to form double seal structure, and the metallic sealing ring system has the conical sealing surface who mutually supports with the disk seat, the outer disc and the valve body inner chamber wall movive seal cooperation of elasticity sealing ring. It is reliable to have sealing performance, and advantages such as product long service life are applicable to the bleeder valve of granule material.
Description
Technical field
The utility model belongs to valve field, specifically about a kind of discharging valve.The utility model is applicable to the bleeder valve of granule materials.
Background technique
In granule medium pipeline, container, medium has abrasiveness, produces larger wearing and tearing, cause discharging valve sealing surface wear during blowing to discharging valve, reduces sealability and the working life of valve.
Summary of the invention
The purpose of this utility model is the shortcoming existed for prior art, provides a kind of sealability reliable, the double-sealing high-performance plunger type emptying valve of long product lifecycle.
The technical solution of the utility model comprises valve body, spool, valve rod, handwheel, and valve body is shaped with material feeding mouth and drain hole, and the valve pocket inwall at valve body material feeding mouth place is shaped with valve seat; Mainly spool is plunger body, one end of this plunger body is shaped with valve core sealed cover, the other end of plunger body is fixedly connected on the end face of Stem Mut, anti-rotation device is provided with between Stem Mut and support, valve rod one end is fixedly connected with handwheel, the other end is connected with Stem Mut screw-thread fit, is shaped with the circular hole concentric with valve rod at the plunger body center with Stem Mut connecting end, and the aperture of this circular hole is greater than valve rod external diameter; Valve core sealed cover adopts metallic packing ring and elastic sealing ring composition double sealing structure, metallic packing ring and elastic sealing ring are fitted on the radial step of plunger body by locking nut, metallic packing ring is shaped with the conical seal (contact) face cooperatively interacted with valve seat, and the periphery of elastic sealing ring coordinates with the motive sealing of body cavity wall.
Preferably, valve body material feeding mouth is installed on material container upward, and drain hole is positioned in the middle part of valve pocket, and drain hole channel centerline and valve rod center line form acute angle.
Preferably, between plunger body periphery and body cavity wall, stuffing box packing is installed.
The utility model has the advantages that spool is plunger body structure, valve core sealed cover adopts metallic packing ring and elastic sealing ring and body cavity to form double sealing structure, and sealability is reliable, long product lifecycle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1 locking nut, 2 metallic packing rings, 3 elastic sealing rings, 4 valve bodies, 5 spools, 6 Packing seats, 7 fillers, 8 setting sleeves, 9 Glands, 10 position indicators, 11 Stem Muts, 12 drain holes, 13 supports, 14 valve rods, 15 handwheels, 16 material feeding mouths.
Embodiment
Double-sealing high-performance plunger type emptying valve as shown in Figure 1, comprises valve body 4, spool 5, valve rod 14, handwheel 15, and valve body 4 is shaped with material feeding mouth 16 and drain hole 12, and the valve pocket inwall at valve body 4 material feeding mouth place is shaped with valve seat; Spool 5 is plunger body, one end of this plunger body is shaped with valve core sealed cover, the other end of plunger body is fixedly connected on the end face of Stem Mut 11, anti-rotation device is provided with between Stem Mut 11 and support, by the straight line motion that the convert rotational motion of valve rod 14 is Stem Mut 11, valve rod 14 one end is fixedly connected with handwheel 15, the other end is connected with Stem Mut 11 screw-thread fit, the circular hole concentric with valve rod 14 is shaped with at the plunger body center with Stem Mut 11 connecting end, the aperture of this circular hole is greater than valve rod external diameter, and valve rod 14 can be stretched in circular hole; Spool 5 sealing surface adopts metallic packing ring 2 and elastic sealing ring 3 to form double sealing structure, metallic packing ring 2 and elastic sealing ring 3 are fitted on the radial step of plunger body by locking nut 1, metallic packing ring 2 is shaped with the conical seal (contact) face cooperatively interacted with valve seat, metallic packing ring 2 adopts wear resistant alloy material to make, the periphery of elastic sealing ring 3 coordinates with the motive sealing of valve body 4 internal chamber wall, and elastic sealing ring 3 adopts plastic materials to make.
Valve body 4 material feeding mouth is installed on material container upward, and drain hole is positioned in the middle part of valve pocket, and drain hole channel centerline and valve rod 14 center line form acute angle, material is tiltedly flowed out below from valve body 4, reduces blowing resistance.
Install stuffing box packing between plunger body periphery and valve body 4 internal chamber wall, sealing filler is made up of Packing seat 6, filler 7, setting sleeve 8, Gland 9, positions effect when setting sleeve 8 pairs of plunger bodies move.Plunger body is provided with position indicator 10, the on off state of display valve.
Claims (3)
1. a double-sealing high-performance plunger type emptying valve, comprise valve body (4), spool (5), valve rod (14), handwheel (15), valve body (4) is shaped with material feeding mouth and drain hole, and the valve pocket inwall at valve body (4) material feeding mouth place is shaped with valve seat; It is characterized in that spool (5) is plunger body, one end of this plunger body is shaped with valve core sealed cover, the other end of plunger body is fixedly connected on the end face of Stem Mut (11), anti-rotation device is provided with between Stem Mut (11) and support, valve rod (14) one end is fixedly connected with handwheel (15), the other end is connected with Stem Mut (11) screw-thread fit, be shaped with the circular hole concentric with valve rod (14) at the plunger body center with Stem Mut (11) connecting end, the aperture of this circular hole is greater than valve rod external diameter; Spool (5) sealing surface adopts metallic packing ring (2) and elastic sealing ring (3) composition double sealing structure, metallic packing ring (2) and elastic sealing ring (3) are fitted on the radial step of plunger body by locking nut (1), metallic packing ring (2) is shaped with the conical seal (contact) face cooperatively interacted with valve seat, and the periphery of elastic sealing ring (3) coordinates with valve body (4) internal chamber wall motive sealing.
2. double-sealing high-performance plunger type emptying valve according to claim 1, it is characterized in that valve body (4) material feeding mouth is installed on material container upward, drain hole is positioned in the middle part of valve pocket, and drain hole channel centerline and valve rod (14) center line form acute angle.
3. double-sealing high-performance plunger type emptying valve according to claim 1 and 2, is characterized in that installing stuffing box packing between plunger body periphery and valve body (4) internal chamber wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668126.6U CN204985759U (en) | 2015-08-20 | 2015-08-20 | Double containment high performance plunger type baiting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668126.6U CN204985759U (en) | 2015-08-20 | 2015-08-20 | Double containment high performance plunger type baiting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985759U true CN204985759U (en) | 2016-01-20 |
Family
ID=55120127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520668126.6U Expired - Fee Related CN204985759U (en) | 2015-08-20 | 2015-08-20 | Double containment high performance plunger type baiting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985759U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937633A (en) * | 2016-06-20 | 2016-09-14 | 苏州英纳特纳米科技有限公司 | Vacuum valve used for sampling of powder materials |
| CN111912670A (en) * | 2020-06-23 | 2020-11-10 | 安徽创华自控仪表设备有限公司 | Pipeline detection sampling valve |
| CN112303269A (en) * | 2020-09-30 | 2021-02-02 | 北京航天石化技术装备工程有限公司 | Plunger type valve |
-
2015
- 2015-08-20 CN CN201520668126.6U patent/CN204985759U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937633A (en) * | 2016-06-20 | 2016-09-14 | 苏州英纳特纳米科技有限公司 | Vacuum valve used for sampling of powder materials |
| CN111912670A (en) * | 2020-06-23 | 2020-11-10 | 安徽创华自控仪表设备有限公司 | Pipeline detection sampling valve |
| CN112303269A (en) * | 2020-09-30 | 2021-02-02 | 北京航天石化技术装备工程有限公司 | Plunger type valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210820 |