CN203463684U - Connecting rod-linked airtight valve - Google Patents
Connecting rod-linked airtight valve Download PDFInfo
- Publication number
- CN203463684U CN203463684U CN201320205343.2U CN201320205343U CN203463684U CN 203463684 U CN203463684 U CN 203463684U CN 201320205343 U CN201320205343 U CN 201320205343U CN 203463684 U CN203463684 U CN 203463684U
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- China
- Prior art keywords
- rod
- fixed base
- valve
- valve plate
- cylindrical shell
- 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 - Lifetime
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- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a connecting rod-linked airtight valve. Two ends of a cylinder body are respectively provided with a flange. A connecting rod mechanism in the cylinder body is connected with an actuator outside the cylinder body through a shaft seal mechanism on the cylinder body. The connecting rod mechanism consists of a driving shaft, a first valve-plate fixing seat, a connecting rod fixing seat, a first connecting rod, a first force-applying rod, a second valve-plate fixing seat, a third valve-plate fixing seat, a first cylinder body fixing seat, a first constraining rod, a fourth valve-plate fixing seat, a second force-applying rod, a ganged rod, a second connecting rod, a second cylinder body fixing seat, and a second constraining rod. The mode provided by the utility model enables the abrasion of a seal ring between the valve plates and the cylinder body to be greatly reduced, prolongs the service life of a valve, and improves the reliability of the valve. A mode of plane pressing between the valve plates and the seal ring is employed. The valve provided by the utility model is good in sealing effect and high in reliability.
Description
Technical field
The utility model relates to air system plumbing pipe fitting field, says more specifically a kind of airtight valve of bar linkage structure.
Background technique
At present, mostly the airtight valve that is applied to air system plumbing is disc-type valve, and sealing joint strip is installed on video disc, and video disc rotates the open and close that realize valve around running shaft.Between which dependence video disc sealing joint strip and valve cylinders, extruding reaches the object of sealing, but video disc rotation, will certainly make to produce and rub between sealing joint strip and cylindrical shell, therefore, valve is very high to the hardness of sealing joint strip and wear resistance requirement, particularly needs the larger valve of caliber of frequent open and close, opens and closes moment and requires larger, the wearing and tearing meeting of sealing joint strip is more serious, and valve working life and reliability are subject to very big impact.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of airtight valve that is applicable to ventilation duct is provided.
The utility model connection-rod linkage sealed valve, cylindrical shell two ends arrange flange, linkage mechanism in cylindrical shell is connected with the final controlling element outside cylindrical shell by the axial sealing mechanism on cylindrical shell, linkage mechanism is by live axle, the first valve plate fixed base, connecting rod fixed base, head rod, the first force application rod, the second valve plate fixed base, the 3rd valve plate fixed base, the first cylindrical shell fixed base, the first constraining rod, the 4th valve plate fixed base, the second force application rod, linkage rod, the second connecting rod, the second cylindrical shell fixed base and the second constraining rod form, the first valve plate fixed base, the second valve plate fixed base, the 3rd valve plate fixed base and the 4th valve plate fixed base are fixed on valve plate, the first cylindrical shell fixed base, the second cylindrical shell fixed base and connecting rod fixed base are fixed on cylindrical shell, live axle is fixedly connected with head rod through connecting rod fixed base, the first force application rod respectively with head rod, the second valve plate fixed base and linkage rod chain connection, the second force application rod respectively with the 4th valve plate fixed base, linkage rod and connecting rod chain connection, the second connecting rod and connecting rod fixed base chain connection.
Feature of the present utility model is: during valve opening, final controlling element drivening rod mechanism drive valve plate is done two-freedom and rotated, and makes valve plate with the orbiting motion of near linear, and behind in-position, rotation around the shaft again, arrives horizontal full open position; Close the inverse process for valve opening.Which reduces ring wear between valve plate and cylindrical shell greatly, improves valve working life and reliability, the mode that adopts plane to compress between valve plate and seal ring, and obturation effect is good, and reliability is high.Valve cylinders, valve plate etc. adopt stainless steel to make, and possess stronger corrosion resistance, can use the corrosivity disinfectors such as formaldehyde, vaporized hydrogen peroxide, chlorine dioxide to carry out surface sterilization processing.
Accompanying drawing explanation
Fig. 1 connection-rod linkage airtight valve structural representation;
Fig. 2 pressing sealing structure schematic diagram;
Fig. 3 linkage mechanism structural representation;
Fig. 4 valve opening initial procedure view;
Fig. 5 valve opening pilot process view;
The complete opening state schematic diagram of Fig. 6 valve.
Embodiment
As shown in Figure 1, the utility model is comprised of flange 1, cylindrical shell 2, valve plate 3, linkage mechanism 4, axial sealing mechanism 5 and final controlling element 6.
As shown in Figure 2, the interior setting of cylindrical shell 2 compresses frame 7 and sealing joint strip 8.Compress frame and the welding of cylindrical shell integral seamless, sealing joint strip 8 is arranged on and compresses on frame 7.
As shown in Figure 3, linkage mechanism is by live axle 9, the first valve plate fixed bases 10, connecting rod fixed base 11, head rod 12, the first force application rods 13, the second valve plate fixed base 14, the three valve plate fixed base 15, the first cylindrical shell fixed bases 16, the first constraining rod 17, the four valve plate fixed base 18, the second force application rods 19, linkage rod 20, connecting rod 21, the second cylindrical shell fixed base 22, the second constraining rods 23 form.
Live axle 9 is fixedly connected with final controlling element 6 with axial sealing mechanism through cylindrical shell.
The first valve plate fixed base 10, the second valve plate fixed base 14, the 3rd valve plate fixed base 15, the 4th valve plate fixed base 18 are fixed on valve plate; The first cylindrical shell fixed base 16, the second cylindrical shell fixed base 22 and connecting rod fixed base 11 are fixed on cylindrical shell; Live axle 9 is fixedly connected with head rod 12 through connecting rod fixed base 11.When drive shaft turns, head rod rotates together.
The first force application rod 13 respectively with head rod 12, the second valve plate fixed base 14 and linkage rod 20 chain connections.The second force application rod 19 respectively with the 4th valve plate fixed base 18, linkage rod 20 and connecting rod 21 chain connections.Connecting rod 21 and connecting rod fixed base 11 chain connections.
When valve opening, final controlling element 6 drives live axle 9 to rotate, drive head rod 12 to rotate together, by link transmission, valve plate 3 is departed from, deviate from and compress frame 7 and sealing joint strip 8, valve plate is simultaneously around the first valve plate fixed base 10, the 3rd valve plate fixed base 15 with around the first cylindrical shell fixed base 16, the second cylindrical shell fixed base 22 rotations, and when reaching Fig. 5 position, valve plate is flatted turn around the first constraining rod 17 and the second constraining rod 23, valve plate is in level, and valve is opened completely.When the whole process of valve opening is shown in Fig. 4,5,6.The inverse process of valve closing for opening.
Claims (3)
1. a connection-rod linkage sealed valve, cylindrical shell two ends arrange flange, it is characterized in that, linkage mechanism in cylindrical shell is connected with the final controlling element outside cylindrical shell by the axial sealing mechanism on cylindrical shell, linkage mechanism is by live axle, the first valve plate fixed base, connecting rod fixed base, head rod, the first force application rod, the second valve plate fixed base, the 3rd valve plate fixed base, the first cylindrical shell fixed base, the first constraining rod, the 4th valve plate fixed base, the second force application rod, linkage rod, the second connecting rod, the second cylindrical shell fixed base and the second constraining rod form, the first valve plate fixed base, the second valve plate fixed base, the 3rd valve plate fixed base and the 4th valve plate fixed base are fixed on valve plate, the first cylindrical shell fixed base, the second cylindrical shell fixed base and connecting rod fixed base are fixed on cylindrical shell, live axle is fixedly connected with head rod through connecting rod fixed base, the first force application rod respectively with head rod, the second valve plate fixed base and linkage rod chain connection, the second force application rod respectively with the 4th valve plate fixed base, linkage rod and connecting rod chain connection, the second connecting rod and connecting rod fixed base chain connection.
2. connection-rod linkage sealed valve according to claim 1, is characterized in that, arranges and compress frame and sealing joint strip in cylindrical shell, compresses frame and the welding of cylindrical shell integral seamless, and seal rubber sleeve is arranged on and compresses on frame.
3. connection-rod linkage sealed valve according to claim 1, is characterized in that, cylindrical shell, valve plate etc. adopt stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320205343.2U CN203463684U (en) | 2013-04-23 | 2013-04-23 | Connecting rod-linked airtight valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320205343.2U CN203463684U (en) | 2013-04-23 | 2013-04-23 | Connecting rod-linked airtight valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463684U true CN203463684U (en) | 2014-03-05 |
Family
ID=50176051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320205343.2U Expired - Lifetime CN203463684U (en) | 2013-04-23 | 2013-04-23 | Connecting rod-linked airtight valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015595A (en) * | 2016-07-15 | 2016-10-12 | 点夺机电工程江苏有限公司 | Multi-connecting-rod sealed valve with front blade |
| CN107676493A (en) * | 2017-10-24 | 2018-02-09 | 北京聚源恒达科技有限公司 | A kind of security closed valve |
-
2013
- 2013-04-23 CN CN201320205343.2U patent/CN203463684U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015595A (en) * | 2016-07-15 | 2016-10-12 | 点夺机电工程江苏有限公司 | Multi-connecting-rod sealed valve with front blade |
| CN107676493A (en) * | 2017-10-24 | 2018-02-09 | 北京聚源恒达科技有限公司 | A kind of security closed valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |
|
| CX01 | Expiry of patent term |