CN101504080A - Novel double-gate plate valve - Google Patents
Novel double-gate plate valve Download PDFInfo
- Publication number
- CN101504080A CN101504080A CNA2009101319723A CN200910131972A CN101504080A CN 101504080 A CN101504080 A CN 101504080A CN A2009101319723 A CNA2009101319723 A CN A2009101319723A CN 200910131972 A CN200910131972 A CN 200910131972A CN 101504080 A CN101504080 A CN 101504080A
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- spool
- link
- valve
- bench
- block
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Abstract
The invention relates to a novel double-shutter valve, which comprises a shell 1 and a valve element 2, wherein the valve element 2 is divided into a left valve element 2-1 and a right valve element 2-2; one side of each of the left valve element and a right valve element is provided with a groove so as to install a connecting piece 3 of the two valve elements; and the connecting piece 3 is of a hollow structure, the inside of the connecting piece is provided with a slide block 6 and two sides of the slide block are provided with a left baffle block 5-1, a right baffle block 5-2, a left spring 7-1 and a spring 7-2. The double-shutter valve is a hard-sealing straight through valve and used as a turn-off valve for a pneumatic transmission system. Due to the adoption of the double-shutter structure and double-layer sealing, the sealing is more reliable, and the service life of the valve is longer.
Description
Affiliated technical field
The invention belongs to coal fired power plant Pneumatic ash conveying system field, be specifically related to a kind of novel double-gate plate valve.
Background technique
Adopt the chock structure between two flashboards that domestic double flap valve has at present, adopt hinging structure between two flashboards that have.The chock structure takes place easily that chock drops, valve can't normally open and close; Hinging structure more complicated, hinge portion rupture and bite easily, thereby influence the normal use of whole system.
Summary of the invention
The purpose of this invention is to provide a kind of novel double-gate plate valve reliable, long service life that seals.
A kind of novel double-gate plate valve, comprise shell 1, spool 2, lifting rod 9, it is characterized in that spool 2 is divided into left spool 2-1, right spool 2-2, have groove 4-1,4-2 in left spool 2-1, right spool 2-2 corresponding inboards, link 3 inserts in the groove 4-1,4-2, and lifting rod 9 is fixed on the link 3.
Described link 3 is a hollow-core construction, a bench-type post block 5-1,5-2 is arranged respectively in link 3, built-in sliding block 6 between bench-type post block 5-1,5-2, seat is on bench-type post block 5-1,5-2 respectively for one end of left and right sides spring 7-1,7-2, and the other end contacts with built-in sliding block 6.
Described link 3 is a Spielpassung in the groove 4-1,4-2 of left spool 2-1, right spool 2-2, and the end face of link 3 and groove 4-1,4-2 interior edge faces form non-contact structure.Slide block 6 and left and right sides spring 7-1,7-2, bench-type post block 5-1,5-2 are contact matching in link 3, bench-type post block 5-1,5-2 and left and right sides spool 2-1,2-2 contact matching.
The present invention has the following advantages:
1, owing to adopt the double spool structure, when a side had pressure in the pipeline, under the effect of spring force, the opposite side spool combined tightr with valve body, sealed tighter.
1, owing to adopt non-contact structure, sealing surface is more wear-resisting, longer service life.
Description of drawings
Fig. 1 is a closed condition valve body structure sectional view of the present invention;
Fig. 2 is a spool sectional view of the present invention.
Among the figure:
1, shell 2, spool 2-1, left spool
2-2, right spool 3, link 4-1,4-2, groove
5-1,5-2, bench-type post block 6, built-in sliding block 7-1, left spring
7-2, right spring 8, medium inlet 9, lifting rod
A, sealing surface
Specific embodiment
Can see from Fig. 1 and Fig. 2, two spools 2-1,2-2 about double flap valve spool 2 of the present invention is divided into, about a side of two spools 2-1,2-2 have groove so that the link 3 of two spools is installed, link 3 is a hollow-core construction, bench-type post block 5-1,5-2 is arranged respectively in link 3, built-in sliding block 6 between bench-type post block 5-1,5-2, seat is on bench-type post block 5-1,5-2 respectively for an end of left and right sides spring 7-1,7-2, and the other end contacts with built-in sliding block 6.
Described link 3 is a Spielpassung in the groove 4-1,4-2 of left spool 2-1, right spool 2-2, and the end face of link 3 and groove 4-1,4-2 interior edge faces form non-contact structure.Slide block 6 and left and right sides spring 7-1,7-2, bench-type post block 5-1,5-2 are contact matching in link 3, bench-type post block 5-1,5-2 and left and right sides spool 2-1,2-2 contact matching.
Medium 8 inflows from the medium inlet are arranged in pipeline, when valve is in closed condition, under pressure, left side spool 2-1 has the trend that moves right, left spool 2-1 compressing left spring 7-1, and the tension force of left spring 7-1 forces slide block 6 to move right, thereby compress right spring 7-2, the reaction force of right side spring 7-2 acts on the right spool 2-2 by right block 5-2, causes right spool 2-2 tightr with valve seal, thereby guarantees gate valve tight, the nothing leakage of lower seal in off position.
The sealing surface A of described spool 2-1,2-2 carries out Alloying Treatment and grinds, and makes valve sealing surface smooth surface, hardness higher.
This double-gate plate valve is used for coal fired power plant pneumatic ash handling induction system, as the pipeline switch valve, has operation The advantage such as reliability height, good airproof performance, running resistance are little is desirable regeneration product.
Claims (4)
1, a kind of novel double-gate plate valve, comprise shell (1), spool (2), lifting rod (9), it is characterized in that spool (2) is divided into left spool (2-1), right spool (2-2), have groove (4-1,4-2) in left spool (2-1), the corresponding inboard of right spool (2-2), link (3) inserts in the groove (4-1,4-2), and lifting rod (9) is fixed on the link (3).
2, novel double-gate plate valve according to claim 1, it is characterized in that link (3) is hollow-core construction, a bench-type post block (5-1,5-2) is arranged respectively in link (3), built-in sliding block (6) between bench-type post block (5-1,5-2), seat is on bench-type post block (5-1,5-2) respectively for one end of left and right sides spring (7-1,7-2), and the other end contacts with built-in sliding block (6).
3, novel double-gate plate valve according to claim 1 and 2, it is characterized in that described link (3) is Spielpassung in the groove (4-1,4-2) of left spool (2-1), right spool (2-2), the end face of link (3) and groove (4-1,4-2) interior edge face form non-contact structure.
4, novel double-gate plate valve according to claim 1 and 2, it is characterized in that slide block (6) and left and right sides spring (7-1,7-2), bench-type post block (5-1,5-2) are contact matching, bench-type post block (5-1,5-2) and left and right sides spool (2-1,2-2) contact matching in link (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101319723A CN101504080A (en) | 2009-03-30 | 2009-03-30 | Novel double-gate plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101319723A CN101504080A (en) | 2009-03-30 | 2009-03-30 | Novel double-gate plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101504080A true CN101504080A (en) | 2009-08-12 |
Family
ID=40976415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101319723A Pending CN101504080A (en) | 2009-03-30 | 2009-03-30 | Novel double-gate plate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101504080A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197033A (en) * | 2014-09-12 | 2014-12-10 | 诸文伟 | Wear-resistant type discharge valve |
-
2009
- 2009-03-30 CN CNA2009101319723A patent/CN101504080A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197033A (en) * | 2014-09-12 | 2014-12-10 | 诸文伟 | Wear-resistant type discharge valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090812 |