CN205155228U - Stifled abrasion -proof ball valve is prevented to anti -sticking - Google Patents
Stifled abrasion -proof ball valve is prevented to anti -sticking Download PDFInfo
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- CN205155228U CN205155228U CN201520978861.7U CN201520978861U CN205155228U CN 205155228 U CN205155228 U CN 205155228U CN 201520978861 U CN201520978861 U CN 201520978861U CN 205155228 U CN205155228 U CN 205155228U
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- valve
- spool
- valve seat
- valve body
- ball
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Abstract
The utility model discloses a stifled abrasion -proof ball valve is prevented to anti -sticking, including valve body, case, disk seat and valve rod, the valve body can dismantle valve body main part and the valve body side cap of concatenation about including, be provided with medium import chamber (A), valve pocket (B) and the medium outlet chamber (C) of mutual intercommunication in the valve body, the imported chamber of medium (A) lies in the valve body side cap, the case whole chou of U -shaped non - that is constituting behind the partial lateral wall of complete valve ball excision construct, the sphere board that should incline is in the closure state at the case and cooperates with valve seat seal down, the the central axis of valve rod make eccentric settings for the centre of sphere of the side sphere board of case for side sphere board is in at the case and has the biggest medium circulation clearance under the full -gear and between the disk seat. The utility model has the advantages that can be at the solid particle medium, including solid liquid medium, including solution valve lumen deposit, jam, switch bite scheduling problem during gas medium and heterogeneous complex dielectrics are used admittedly.
Description
Technical field
The utility model relates to valve technology field, particularly relates to the anti-blocking wearable valve of a kind of anti-sticking.
Background technique
Valve applications is in the conducting of the various devices such as oil, chemical industry, electric power, iron and steel, rock gas, Coal Chemical Industry, polysilicon and cut-out, particularly use medium is had to the valve in a large amount of solid particle, multi-phase complex medium apparatus, very easily bite, blocking, even cannot switch and action.
Once gate valve, ball valve etc. is used in a large number in these devices, due to the easier stacking material of gate valve lumen, the flashboard of straight line motion often cannot turn off downwards, and more easily pulled and damaged, use the ratio of ball valve to get more and more in recent years, ball valve owing to being 90 ° of rotating angle switchs, and can carry out cure process to spheroid and valve seat with current technology, therefore ball valve has certain wear-resisting and strike off function to material, and comparatively gate valve is as well for using effect.But, the spheroid both sides of ball valve have two valve seats, during valve closing, a lumen of isolating with outlet with valve inlet is just defined between valve seat, due to lumen, comparatively internal diameter of the pipeline is larger, material and easily deposit and be held as a hostage and cannot discharge, after of long duration, lumen will be crowded with materials and make ball valve cannot action.
Therefore, the multiphase medium more for solid particle material, solid dielectric content and comparatively complicated mixed medium, current ball valve still thoroughly cannot solve the problem of material deposition and valve blocking, this all has larger potential safety hazard to the production of device and operation, is badly in need of solving.
Summary of the invention
The purpose of this utility model is the shortcoming and defect existed to overcome prior art, and provide a kind of anti-sticking anti-blocking wearable valve, can solid particle medium, containing mushy stage medium, containing solid and gas body medium and multi-phase complex media applications in solve the problems such as valve lumen deposition, blocking, switch bite.
For achieving the above object, the technical solution of the utility model includes valve body, spool, valve seat and valve rod, described valve body includes valve body and the valve body side cover of the detachable splicing in left and right, the medium entrance chamber (A) be interconnected is provided with in valve body, valve pocket (B) and media outlet chamber (C), (A) is positioned at valve body side cover in medium entrance chamber, described spool is the non-whole spherical structure of U-shaped formed after complete valve ball cut-out sidewall, spool includes link arm, side spherical plate and lower link arm, described upper link arm is provided with the valve rod mortise that valve rod joint rotation coordinates, described lower link arm is provided with lower shaft rotation hole, rotate in this lower shaft rotation hole and be provided with lower shaft, the outer end of this lower shaft is fixedly installed on valve body relative on valve pocket (B) lower position, this side spherical plate coordinates with valve base sealing under spool is in closed state, the central axis of described valve rod makes eccentric setting relative to the centre of sphere of the side spherical plate of spool, makes side spherical plate under spool is in full-gear and between valve seat, there is maximum medium passage gaps.
Further setting is that the central axis of described valve rod and the central axis of lower shaft are coaxially arranged mutually.
Further setting be the central axis of valve rod relative to the central axis of eccentric distance (b1) the > lower shaft of the centre of sphere of the side spherical plate of spool relative to the eccentric distance (b2) of the centre of sphere of the side spherical plate of spool, the central axis of valve rod relative to the eccentric direction of the centre of sphere of the side spherical plate of spool and the central axis of lower shaft perpendicular relative to the eccentric direction of the centre of sphere of the side spherical plate of spool.
Further setting is the internal diameter size that the runner mouth size of this spool is all not less than medium entrance chamber (A) and media outlet chamber (C).
Further setting is that described valve ball and valve seat matching surface all adopt hardening technique process to make it wear-resisting.
Further setting is that described valve seat is arranged in valve seat assembly, this valve seat assembly is arranged on valve ball entrance point, comprise valve seat, spring, forward end seal circle, back-end sealing circle, spring seat and spring pressuring ring, the inner of valve seat is spacing is provided with the limiting board being fixed on valve body side cover the inner.
Further setting is spring seat, spring pressuring ring Jun Xuyi center Hough line is installed with valve seat after being as the criterion and being split into two halves again, composition valve seat assembly.
Further setting is that the edge of the side spherical plate of spool is sharp-pointed arc blade geometry.
Further setting arranges purging valve at valve seat and valve pocket (B), and the blow down valve at valve seat place purges valve seat and valve ball junction when valve closing, and valve pocket place blow down valve purges ball surface when valve wide open.
Adopt technique scheme, valve seat assembly is arranged on valve ball import front end, and limit mobile position by limiting board, spring housing seals completely, pollution-free, high cleaning can be kept for a long time, the valve ball back side is directly communicated with pipeline, valve is in opening process, valve ball will depart from valve seat gradually, when valve wide open, valve ball and valve seat will have Large space, pressure medium can flow through Large space place and carry out high speed purging to body cavity, automated cleaning valve pocket, prevent dielectric deposition, when the valve is closed, valve ball will be close to valve seat gradually, the sharp edge of valve ball is detained material along striking off valve base surface in closing process, automated cleaning valve seat sealing surface, the sealing until fit like a glove, the purging valve that valve seat and valve pocket place are arranged can also purge at valve closing and when opening completely, valve seat, valve ball and valve pocket clean, the problem of thorough solution material deposition and valve blocking, ensure the safety of producing and operating.
Below in conjunction with specification drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
The structure that Fig. 1 provides for the utility model specific embodiment is always schemed;
Plan view when Fig. 2 is the utility model specific embodiment standard-sized sheet;
Fig. 3 is Fig. 1 " I " place valve seat assembly detailed construction enlarged view;
Fig. 4 is the detailed parts figure of the utility model specific embodiment spring seat;
Fig. 5 is the detailed parts figure of the utility model specific embodiment spring pressuring ring;
Fig. 6 is the 3 dimensional drawing of the utility model specific embodiment valve ball.
Embodiment
Below by embodiment, the utility model is specifically described; only for being further described the utility model; can not be interpreted as the restriction to the utility model protection domain, the technician in this field can make some nonessential improvement and adjustment according to the content of above-mentioned model utility to the utility model.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6, the anti-blocking wearable valve of a kind of anti-sticking, include valve body, lower shaft 2, spool 3, valve seat 5-2, limiting board 6, valve rod 7, upper axle 8, filler 9 and support 10, valve body includes valve body 1 and the valve body side cover 4 of the detachable splicing in left and right, the non-whole ball of described spool 3, described spool 3 is the non-whole spherical structure of U-shaped formed after complete valve ball cut-out sidewall, spool 3 includes link arm 31, side spherical plate 32 and lower link arm 33, described upper link arm 31 is provided with the valve rod mortise 311 that valve rod joint rotation coordinates, described lower link arm 33 is provided with lower shaft rotation hole 331, rotate in this lower shaft rotation hole 331 and be provided with lower shaft 2, the outer end of this lower shaft 2 is fixedly installed on valve body relative on valve pocket (B) lower position, described upper link arm 31 is provided with the upper axle matching hole of the movable scarf with the lower end of described upper axle 8 relative to the avris of valve rod mortise 311.
During the present embodiment valve wide open, spool runner mouth size is not less than full-bore valve port " A " and " C " channel size and internal diameter of the pipeline size, this side spherical plate 32 is sealed and matched with valve seat 5-2 under spool is in closed state, the central axis of described valve rod 7 makes eccentric setting relative to the centre of sphere of the side spherical plate 32 of spool 3, make side spherical plate 32 under spool is in full-gear and between valve seat, there is maximum medium to circulate clearance t, to make pressure medium pass through, and flowing and the transmission of solid particle can not be hindered.
The central axis of the valve rod 7 described in the present embodiment and the central axis of lower shaft 2 are coaxially arranged mutually.Or, the central axis of the present embodiment valve rod 7 relative to the central axis of the eccentric distance b1> lower shaft 2 of the centre of sphere of the side spherical plate 32 of spool 3 relative to the eccentric distance b2 of the centre of sphere of the side spherical plate 32 of spool 3, the central axis of valve rod 7 relative to the eccentric direction of the centre of sphere of the side spherical plate 32 of spool 3 and the central axis of lower shaft perpendicular relative to the eccentric direction of the centre of sphere of the side spherical plate of spool, as shown in Figure 2.
The present embodiment valve seat assembly 5 is single assembly parties, be arranged on spool 3 entrance point, comprise seal ring 5-1, valve seat 5-2, forward end seal circle 5-3, back-end sealing circle 5-6, spring seat 5-4, spring 5-5, spring pressuring ring 5-7, the limited plate 6 of valve seat 5-2 is limited in the space of setting, can only move axially within the limits prescribed, described upper axle 8, lower shaft 2 is coaxial with spool 3 axis hole, but all have with the center of valve body 1 and spool 3 and depart from greatly, described valve rod 7 is arranged in axle 8, and be connected with spool 3 mortise, described spool 3 and valve seat 5-2 matching surface all adopt hardening technique to make it wear-resisting.
Further setting, valve cavity is made up of " A ", " B ", " C " three chambers, three chambers are communicated with completely, A is medium entrance chamber, B is valve pocket and C is media outlet chamber, and valve pocket B chamber is maximum, and spool 3 is installed on wherein, media outlet chamber C internal diameter is equally large with medium entrance chamber A chamber, medium entrance chamber A has contained valve component 5, and media outlet chamber C chamber has been installed wherein without any component, direct and valve pocket B chamber.
Further setting, spool 3 and valve seat 5-2 fitting surface are sphere, non-fitting surface place only retains the connecting end with valve rod 7, lower shaft 2 and upper axle 8, spool 3 runner mouth is " U " type flow passage structure, bottom " U " type, radius of arc is just in time consistent with medium entrance chamber A or media outlet chamber C and pipeline runner radius, all the other retain spheric structure, the benefit of such setting is, during valve wide open, the runner of spheroid is consistent with pipeline runner, without undergauge, keeps medium unobstructed, and when valve complete shut-down, valve ball has the sufficient intensity being enough to ensure that high-pressure medium acts on it.
Further setting, the edge 321 of the side spherical plate 32 of spool 3 is sharp-pointed arc blade geometry, not abate angle or fillet, its shape picture arc scraper, and has scraper function.
Further setting, can arrange at valve seat assembly 5 and valve pocket B and purge valve 11 and 12, the blow down valve 12 at valve seat assembly 5 place can purge valve seat 5-2 and spool 3 junction when valve closing, " B " valve pocket place blow down valve 11 can purge spool 3 surface when valve wide open.
Arrange further again, valve only has a valve seat 5-2, spool 3 rear end is communicated with completely with pipeline, and valve seat assembly 5 forms an entirety separately by seal ring 5-1, valve seat 5-2, forward end seal circle 5-3, back-end sealing circle 5-6, spring seat 5-4, spring 5-5, spring pressuring ring 5-7.
Arrange further again, described spring seat 5-4, spring pressuring ring 5-7 are after machining, also need by center Hough line be as the criterion be split into two halves with the width of t1 after install with valve seat 5-2, forward end seal circle 5-3, back-end sealing circle 5-6, spring 5-5 again, composition valve seat assembly.
Adopt technique scheme, valve seat assembly 5 is arranged on spool 3 import front end " A " valve pocket, and the mobile position of valve seat assembly 5 is limited by limiting board 6, spool 3 is arranged on valve pocket B, and with the direct conducting of media outlet chamber C chamber, spring housing seals completely, pollution-free, high cleaning can be kept for a long time, valve is in opening process, spool 3 will depart from valve seat 5-2 gradually, when valve wide open, spool 3 and valve seat 5-2 will have Large space t, pressure medium can flow through Large space place and carry out high speed purging to body cavity, automated cleaning valve pocket, prevent dielectric deposition, when the valve is closed, spool 3 will be close to valve seat 5-2 gradually, the sharp edge of spool 3 can strike off valve seat 5-2 surface detention material along the arc scraper formed in closing process, the sealing surfaces of automated cleaning valve seat 5-2, the sealing until fit like a glove.The purging valve 12,11 that valve seat 5-2 and valve pocket B place are arranged can purge at valve closing and when opening completely, valve seat 5-2, spool 3 and valve pocket B clean, material expulsion valve chamber will be detained to media outlet chamber C, directly to flow to downstream line, the problem of thorough solution material deposition and valve blocking, ensures the safety of producing and operating.
Claims (9)
1. the anti-blocking wear resistance ball valve of anti-sticking, include valve body, spool, valve seat and valve rod, it is characterized in that: described valve body includes valve body and the valve body side cover of the detachable splicing in left and right, the medium entrance chamber (A) be interconnected is provided with in valve body, valve pocket (B) and media outlet chamber (C), (A) is positioned at valve body side cover in medium entrance chamber, described spool is the non-whole spherical structure of U-shaped formed after complete valve ball cut-out sidewall, spool includes link arm, side spherical plate and lower link arm, described upper link arm is provided with the valve rod mortise that valve rod joint rotation coordinates, described lower link arm is provided with lower shaft rotation hole, rotate in this lower shaft rotation hole and be provided with lower shaft, the outer end of this lower shaft is fixedly installed on valve body relative on valve pocket (B) lower position,
This side spherical plate coordinates with valve base sealing under spool is in closed state, the central axis of described valve rod makes eccentric setting relative to the centre of sphere of the side spherical plate of spool, makes side spherical plate under spool is in full-gear and between valve seat, there is maximum medium passage gaps.
2. the anti-blocking wear resistance ball valve of a kind of anti-sticking according to claim 1, is characterized in that: the central axis of described valve rod and the central axis of lower shaft are coaxially arranged mutually.
3. the anti-blocking wear resistance ball valve of a kind of anti-sticking according to claim 1, it is characterized in that: the central axis of valve rod relative to the central axis of eccentric distance (b1) the > lower shaft of the centre of sphere of the side spherical plate of spool relative to the eccentric distance (b2) of the centre of sphere of the side spherical plate of spool, the central axis of valve rod relative to the eccentric direction of the centre of sphere of the side spherical plate of spool and the central axis of lower shaft perpendicular relative to the eccentric direction of the centre of sphere of the side spherical plate of spool.
4. the anti-blocking wear resistance ball valve of a kind of anti-sticking according to claim 1 or 2 or 3, is characterized in that: the runner mouth size of this spool is all not less than the internal diameter size of medium entrance chamber (A) and media outlet chamber (C).
5. the anti-blocking wear resistance ball valve of a kind of anti-sticking according to claim 1 or 2 or 3, is characterized in that: described valve ball and valve seat matching surface all adopt hardening technique process to make it wear-resisting.
6. the anti-blocking wear resistance ball valve of a kind of anti-sticking according to claim 1 or 2 or 3, it is characterized in that: described valve seat is arranged in valve seat assembly, this valve seat assembly is arranged on valve ball entrance point, comprise valve seat, spring, forward end seal circle, back-end sealing circle, spring seat and spring pressuring ring, the inner of valve seat is spacing is provided with the limiting board being fixed on valve body side cover the inner.
7. the anti-blocking wear resistance ball valve of a kind of anti-sticking according to claim 6, is characterized in that: spring seat, spring pressuring ring Jun Xuyi center Hough line are installed with valve seat after being as the criterion and being split into two halves again, composition valve seat assembly.
8. the anti-blocking wear resistance ball valve of a kind of anti-sticking according to claim 1 or 2 or 3, is characterized in that: the edge of the side spherical plate of spool is sharp-pointed arc blade geometry.
9. the anti-blocking wear resistance ball valve of anti-sticking according to claim 1 or 2 or 3, it is characterized in that: at valve seat and valve pocket (B), purging valve is set, the blow down valve at valve seat place purges valve seat and valve ball junction when valve closing, and valve pocket place blow down valve purges ball surface when valve wide open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978861.7U CN205155228U (en) | 2015-12-01 | 2015-12-01 | Stifled abrasion -proof ball valve is prevented to anti -sticking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978861.7U CN205155228U (en) | 2015-12-01 | 2015-12-01 | Stifled abrasion -proof ball valve is prevented to anti -sticking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155228U true CN205155228U (en) | 2016-04-13 |
Family
ID=55690921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520978861.7U Withdrawn - After Issue CN205155228U (en) | 2015-12-01 | 2015-12-01 | Stifled abrasion -proof ball valve is prevented to anti -sticking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333172A (en) * | 2015-12-01 | 2016-02-17 | 超达阀门集团股份有限公司 | Anti-jammed and anti-blocking wearproof ball valve |
| CN113217660A (en) * | 2021-05-25 | 2021-08-06 | 东宝阀门有限公司 | Ball valve |
-
2015
- 2015-12-01 CN CN201520978861.7U patent/CN205155228U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333172A (en) * | 2015-12-01 | 2016-02-17 | 超达阀门集团股份有限公司 | Anti-jammed and anti-blocking wearproof ball valve |
| CN113217660A (en) * | 2021-05-25 | 2021-08-06 | 东宝阀门有限公司 | Ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |