CN204358122U - There is the low leakage fire-proof valve structure of steel end sealing - Google Patents
There is the low leakage fire-proof valve structure of steel end sealing Download PDFInfo
- Publication number
- CN204358122U CN204358122U CN201420718241.5U CN201420718241U CN204358122U CN 204358122 U CN204358122 U CN 204358122U CN 201420718241 U CN201420718241 U CN 201420718241U CN 204358122 U CN204358122 U CN 204358122U
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- square shaft
- blade
- framework
- fire
- valve structure
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- Expired - Fee Related
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- Lift Valve (AREA)
Abstract
The utility model discloses a kind of low leakage fire-proof valve structure with the sealing of steel end, comprise the framework be made up of crossbeam and column, the surface of framework is by blade closing seam; Be provided with the square shaft of several horizontal cross in framework, the middle part of blade is socketed on square shaft; Square shaft carries out synchronous interaction by connecting rod series connection; Blade and column binding site are provided with for keeping the steel section of seal to seal; Two neighbouring blade joints are connected by overlapping mode closed type; The side that blade is connected with framework overlaps closed by keeping off angle.The utility model is provided with the sealing of steel end, reduces the leakage rate of fire-closing valve greatly, also can reach leakage rate requirement when fire-closing valve is run in particular circumstances; Meanwhile, disposal molding blade, can greatly increase work efficiency and the bulk strength of blade; Fire-closing valve of the present utility model has good leak tightness, efficiently work characteristics, has splendid working stability.
Description
Technical field
The utility model relates to a kind of fire-closing valve, is specifically related to a kind of low leakage fire-proof valve structure with the sealing of steel end.
Background technique
The sealing of steel end plays vital effect to the leakage rate of valve body, and existing structure is blade, binding site between column is reserved with certain fit up gap, due to the existence in gap, increases the leakage rate of valve body overall performance.
So the leakage rate in order to reduce fire-closing valve, when fire-closing valve is run in particular circumstances, leakage rate requirement can be reached.Need the matching gap problem solving blade and column position, meet the requirement of leakage rate.
Meanwhile, need the linkage structure designing stability and high efficiency, make multiple blade synchronization action, change the structure of blade, guarantee the bulk strength of fireproof valve blade and easy to assembly.
Model utility content
The utility model technical issues that need to address are just the defect overcoming prior art, a kind of low leakage fire-proof valve structure with the sealing of steel end is provided, it is provided with the sealing of steel end, the leakage rate of great minimizing fire-closing valve, also can reach leakage rate requirement when fire-closing valve is run in particular circumstances; Meanwhile, disposal molding blade, can greatly increase work efficiency and the bulk strength of blade; Fire-closing valve of the present utility model has good leak tightness, efficiently work characteristics, has splendid working stability.
For solving the problem, the utility model adopts following technological scheme:
Have the low leakage fire-proof valve structure of steel end sealing, comprise the framework be made up of crossbeam and column, the surface of framework is by blade closing seam; Be provided with the square shaft of several horizontal cross in framework, the end of square shaft is connected with column by oil-impregnated bearing, and the middle part of blade is socketed on square shaft; When square shaft rotates, blade rotation can be driven to offset, thus realize the regulation and control to the open and close of fire-closing valve;
Square shaft carries out synchronous interaction by connecting rod series connection; One of them square shaft is connected with external drive mechanism; External drive mechanism drives a square shaft to rotate, and this square shaft drives other square shafts together to realize interlock by connecting rod, thus realizes vaned synchronization modulation.
Blade and column binding site are provided with for keeping the steel section of seal to seal; The sealing of steel section can guarantee the efficient sealing of fire-closing valve.
Two neighbouring blade joints are connected by overlapping mode closed type; Under blade closed state, the lapping ends of two neighbouring blades realizes closed, keeps the sealability of fire-closing valve;
The side that blade is connected with framework overlaps closed by keeping off angle, thus guarantees the sealing effect of blade and framework joint, thus ensures the sealability of fire-closing valve entirety.
Preferably, blade is disposal molding blade, and the middle part of described disposal molding blade is provided with on the square shaft that to be connected with square shaft and to coordinate presses angle and square shaft to press down angle, described square shaft is pressed angle and square shaft press down angle and is right angle type.Square shaft is pressed angle and square shaft press down angle and square shaft to fit and realize square shaft and regulate the efficiently and accurately of blade rotation; Disposal molding blade has preferably bulk strength and good sealability.
Preferably, be socketed with end ring outside the oil-impregnated bearing of the end of square shaft, end ring is arranged at the outer side surface of column; Square shaft outside oil-impregnated bearing is provided with the set screw nut for fixing square shaft.Oil-impregnated bearing effectively can ensure lubrication effect, reduces the surface friction drag that square shaft rotates.Oil-impregnated bearing side is provided with the seal ring for keeping fire-closing valve to seal;
Preferably, 4 square shafts be set up in parallel are provided with in framework.
Preferably, the square shaft of lower side is connected with live axle by axle sleeve, and live axle is connected with stepper motor output shaft by speed reducer.Stepper motor can the rotation angle of Effective Regulation square shaft, thus realizes regulating and controlling the efficiently and accurately of blade rotation.
Preferably, porous connecting rod is four hole connecting rods.
Advantage of the present utility model and beneficial effect are:
The utility model has the low leakage fire-proof valve structure of steel end sealing, is provided with the sealing of steel end, greatly reduces the leakage rate of fire-closing valve, also can reach leakage rate requirement when fire-closing valve is run in particular circumstances;
The utility model has the low leakage fire-proof valve structure of steel end sealing, by square shaft, the bar linkage structure of interlock, can Effective Regulation blade opening angle, fire-closing valve have close flexibly, work characteristics efficiently, there is the working stability of frame; Realize institute's vaned efficiently and accurately interlock regulation and control;
The disposal molding blade that the utility model adopts has preferably bulk strength and good sealability, can keep the sealing effect of fire-closing valve.
Accompanying drawing explanation
Fig. 1 is the front view that the utility model has the low leakage fire-proof valve structure of steel end sealing.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is AA line sectional view in Fig. 1.
Fig. 4 is BB line sectional view in Fig. 1.
Fig. 5 is the structural representation of the utility model blade.
In figure: 1, crossbeam; 2, column; 3, porous connecting rod; 4, angle is kept off; 5, steel end sealing; 6, blade; 7, end ring; 8, square shaft; 9, oil-impregnated bearing; 10, square shaft presses angle; 11, square shaft presses down angle; 12, set screw nut.
Embodiment
embodiment 1
As shown in Figures 1 to 4, the utility model is the low leakage fire-proof valve structure with the sealing of steel end, and comprise the framework be made up of crossbeam 1 and column 2, the surface of framework is by blade 6 closing seam; Be provided with the square shaft 8 of 4 horizontal cross in framework, the end of square shaft 8 is connected with column 2 by oil-impregnated bearing 9, and the middle part of blade 6 is socketed on square shaft 8; When square shaft 8 rotates, moving vane 6 pivot offset can be with, thus realize the regulation and control to the open and close of fire-closing valve.
Square shaft 8 carries out synchronous interaction by porous connecting rod 3 series connection, and porous connecting rod 3 is four hole connecting rods; A square shaft 8 of lower side is connected with external drive mechanism; External drive mechanism drives a square shaft 8 to rotate, and this square shaft 8 drives other square shafts 8 together to realize interlock by connecting rod, thus realizes the synchronization modulation to all blades 6.
Blade 6 and column 2 binding site are provided with for keeping the steel section of seal to seal; The sealing of steel section can guarantee the efficient sealing of fire-closing valve.
Two neighbouring blade 6 joints are connected by overlapping mode closed type; Under blade 6 closed state, the lapping ends of two neighbouring blades 6 realizes closed, keeps the sealability of fire-closing valve; The side that blade 6 is connected with framework overlaps closed by keeping off angle 4, thus guarantees the sealing effect of blade 6 and framework joint, thus ensures the sealability of fire-closing valve entirety.
Blade 6 is disposal molding blade, and the middle part of described disposal molding blade is provided with on the square shaft that to be connected with square shaft 8 and to coordinate presses angle 10 and square shaft to press down angle 11, described square shaft is pressed angle 10 and square shaft press down angle 11 and is right angle type.Square shaft is pressed angle 10 and square shaft press down angle 11 and square shaft 8 to fit and realize the efficiently and accurately that square shaft 8 pairs of blades 6 rotate and regulate; Disposal molding blade has preferably bulk strength and good sealability.
Last it is noted that obviously, above-described embodiment is only for the utility model example is clearly described, and the restriction not to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And thus the apparent change of amplifying out or variation be still among protection domain of the present utility model.
Claims (6)
1. have the low leakage fire-proof valve structure of steel end sealing, it is characterized in that, comprise the framework be made up of crossbeam and column, the surface of framework is by blade closing seam; Be provided with the square shaft of several horizontal cross in framework, the end of square shaft is connected with column by oil-impregnated bearing, and the middle part of blade is socketed on square shaft;
Square shaft carries out synchronous interaction by connecting rod series connection; One of them square shaft is connected with external drive mechanism;
Blade and column binding site are provided with for keeping the steel section of seal to seal;
Two neighbouring blade joints are connected by overlapping mode closed type;
The side that blade is connected with framework overlaps closed by keeping off angle.
2. there is the low leakage fire-proof valve structure of steel end sealing as claimed in claim 1, it is characterized in that, blade is disposal molding blade, the middle part of described disposal molding blade is provided with on the square shaft that to be connected with square shaft and to coordinate presses angle and square shaft to press down angle, described square shaft is pressed angle and square shaft press down angle and is right angle type.
3. have the low leakage fire-proof valve structure of steel end sealing as claimed in claim 2, it is characterized in that, be socketed with end ring outside the oil-impregnated bearing of the end of square shaft, end ring is arranged at the outer side surface of column; Square shaft outside oil-impregnated bearing is provided with the set screw nut for fixing square shaft.
4. there is the low leakage fire-proof valve structure of steel end sealing as claimed in claim 3, it is characterized in that, in framework, be provided with 4 square shafts be set up in parallel.
5. have the low leakage fire-proof valve structure of steel end sealing as claimed in claim 4, it is characterized in that, the square shaft of lower side is connected with live axle by axle sleeve, and live axle is connected with stepper motor output shaft by speed reducer.
6. have the low leakage fire-proof valve structure of steel end sealing as claimed in claim 5, it is characterized in that, porous connecting rod is four hole connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718241.5U CN204358122U (en) | 2014-11-26 | 2014-11-26 | There is the low leakage fire-proof valve structure of steel end sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718241.5U CN204358122U (en) | 2014-11-26 | 2014-11-26 | There is the low leakage fire-proof valve structure of steel end sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204358122U true CN204358122U (en) | 2015-05-27 |
Family
ID=53259593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420718241.5U Expired - Fee Related CN204358122U (en) | 2014-11-26 | 2014-11-26 | There is the low leakage fire-proof valve structure of steel end sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204358122U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650286A (en) * | 2016-03-14 | 2016-06-08 | 广州康美风数控设备有限公司 | Double-layer blade for fire damper or smoke exhaust damper |
| CN110185807A (en) * | 2019-06-11 | 2019-08-30 | 点夺机电工程江苏有限公司 | A kind of side's valve |
-
2014
- 2014-11-26 CN CN201420718241.5U patent/CN204358122U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650286A (en) * | 2016-03-14 | 2016-06-08 | 广州康美风数控设备有限公司 | Double-layer blade for fire damper or smoke exhaust damper |
| CN110185807A (en) * | 2019-06-11 | 2019-08-30 | 点夺机电工程江苏有限公司 | A kind of side's 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 |
Granted publication date: 20150527 Termination date: 20161126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |