CN203892608U - Environment-friendly dedusting valve - Google Patents
Environment-friendly dedusting valve Download PDFInfo
- Publication number
- CN203892608U CN203892608U CN201420295755.4U CN201420295755U CN203892608U CN 203892608 U CN203892608 U CN 203892608U CN 201420295755 U CN201420295755 U CN 201420295755U CN 203892608 U CN203892608 U CN 203892608U
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- CN
- China
- Prior art keywords
- support ring
- diaphragm
- valve
- ring
- inclination
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- 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.)
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Abstract
The utility model discloses an environment-friendly dedusting valve. The environment-friendly dedusting valve comprises a valve body, an output opening is formed in the valve body, a valve cover is arranged on the valve body, an air cavity located between the valve body and the valve cover is divided into a front air chamber and a rear air chamber through a diaphragm, and the top of the valve cover is provided with a leader part. The diaphragm is shaped like a disc and comprises a bottom face, an inclined face and a disc edge, a diaphragm assembly installing hole is formed in the center of the bottom face, a plurality of diaphragm installing holes are formed in the disc edge, and a throttling hole is formed in the disc edge; a supporting frame is arranged in the diaphragm and comprises a first supporting ring, a second supporting ring, a third supporting ring, a fourth supporting ring, a first connecting strip, a second connecting strip and a third connecting strip. A rivet head matched with the throttling hole is arranged in the throttling hole, and an anti-scaling coating is arranged on the inner surface of the rivet head. The diaphragm is not prone to deformation and long in service life, and the throttling hole is not prone to being blocked.
Description
Technical field
The utility model relates to a kind of Environmental-protecting dust-removing valve.
Background technique
Dust removing valve is mainly used in deduster, and he utilizes the variation of gas pressure that the pressurized gas in gas bag is jetted in the air chamber of deduster, and makes to be attached to the solid dust disengaging on filtering material, reaches the object of deashing or collection.
In the course of the work, diaphragm moves up and down, and after long-term work, the distortion of diaphragm fatiguability, causes pressure relief opening to exit for a long time, and dust removing valve is not worked, and the working life of diaphragm is shorter, needs the normal diaphragm of changing, and to work, makes troubles.
And the unclean throttle orifice that easily causes of throttle orifice air inlet stops up, make dust removing valve for a long time to winding-up mouthful venting, when throttle orifice damages or lack, make throttle orifice lose crown_interception, cause pressure release undesired, pressure relief opening venting, but dust removing valve is not jetted, the damage of throttle orifice can cause scrapping of whole diaphragm, causes the wasting of resources and cost of production to increase.
Model utility content
The purpose of this utility model is to solve the deficiencies in the prior art part, and a kind of diaphragm long service life, the not susceptible to plugging Environmental-protecting dust-removing valve of throttle orifice are provided.
The purpose of this utility model solves by following technical proposal:
A kind of Environmental-protecting dust-removing valve, comprise valve body, in valve body, be provided with delivery outlet, valve body is provided with valve gap, diaphragm is divided into front air chamber and rear gas chamber by the air cavity that is positioned at valve body and valve gap, valve gap top is provided with guide's part, it is characterized in that: described diaphragm is disc diaphragm, comprises bottom surface, plane of inclination and web; Described bottom center has diaphragm unit mounting hole, and described web has a plurality of diaphragm mounting holes, and described web also has a throttle orifice;
In diaphragm, be provided with a supporting frame, support frame as described above comprises the first support ring, the second support ring, three-support ring and the 4th support ring; Described the first support ring is ring, and the first support ring is located at diaphragm unit mounting hole edge, and the internal diameter of the first support ring is slightly larger than diaphragm unit mounting hole diameter; Described the second support ring is ring, and the second support ring is located at bottom edge, the external diameter of the second support ring and bottom surface equal diameters, and described the second support ring is connected by many first connection straps with the first support ring; The shape of described three-support ring matches with plane of inclination, and three-support ring is located at the edge of plane of inclination, and the external diameter of described three-support ring and the external diameter of plane of inclination are equal, and three-support ring is connected by many second connection straps with the second support ring; Described the 4th support ring is ring, and the 4th support ring is located at web edge, and the external diameter of the 4th support ring is slightly less than the external diameter of web, and described the 4th support ring is connected by many articles of the 3rd connection straps with three-support ring;
Described throttle orifice is provided with the die matching with it, and described die internal surface is provided with one deck good antiscale property coating.
Preferably, diaphragm described in the utility model is polytetrafluoroethylene PTFE diaphragm, and described diaphragm once-through is outside supporting frame.
Preferably, the first support ring described in the utility model, the second support ring, three-support ring, the 4th support ring, the first connection strap, the second connection strap and the 3rd connection strap are one-body molded, its material is spring steel, and its thickness is all less than 1mm and is less than the thickness of diaphragm; The angle of described the second connection strap and the second support ring equates with the angle of plane of inclination and bottom surface; Angle and the plane of inclination of described the second connection strap and three-support ring equate with the angle of web.
Preferably, good antiscale property coating described in the utility model is epoxy titanium nanometer scale coating.
Preferably, the central axis of the first support ring described in the utility model, the central axis of the second support ring, the central axis of the central axis of three-support ring and the 4th support ring coincide.
Compared to the prior art the utlity model has following characteristics and beneficial effect:
1, supporting frame is made by spring steel, diaphragm once-through outside supporting frame, the thinner thickness of supporting frame, diaphragm can normally complete its work, and spring steel should have good combination property, as higher in limit of elasticity, relaxation resistance is good, corrosion-resistant etc.Supporting frame can prevent diaphragm fatigue deformation, has increased the working life of diaphragm.
2, throttle orifice is provided with its die matching, die internal surface is provided with one deck good antiscale property coating, and this coating is epoxy titanium nanometer scale coating, and its good antiscale property, rotproofness, wear resistance etc. are all better, throttle orifice air inlet is difficult for stopping up, and has increased the working life of diaphragm.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model diaphragm structure schematic diagram.
Fig. 3 is the utility model diaphragm cross-sectional structure schematic diagram.
Fig. 4 is the utility model diaphragm plan structure schematic diagram.
Fig. 5 is the utility model support frame structure schematic diagram.
Fig. 6 is the utility model die structural representation.
With 7 be the utility model die sectional structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
As shown in Figure 1, a kind of Environmental-protecting dust-removing valve, comprises valve body 1, is provided with delivery outlet 2 in valve body 1, and valve body 1 is provided with valve gap 3, and diaphragm 4 is divided into front air chamber 5 and rear gas chamber 6 by the air cavity that is positioned at valve body 1 and valve gap 3, and valve gap 3 tops are provided with guide's part 7.Described diaphragm 4 is disc diaphragm, comprises bottom surface 8, plane of inclination 9 and web 10; 8 centers, described bottom surface have diaphragm unit mounting hole 11, and described web 10 has a plurality of diaphragm mounting holes 12, and described web 10 also has a throttle orifice 13.
As shown in Fig. 2 ~ Fig. 5, in diaphragm 4, be provided with a supporting frame 41, support frame as described above 41 comprises the first support ring 42, the second support ring 43, three-support ring 44 and the 4th support ring 45.Described the first support ring 42 is ring, and the first support ring 42 is located at diaphragm unit mounting hole 11 edges, and the internal diameter of the first support ring 41 is slightly larger than diaphragm unit mounting hole 11 diameters.Described the second support ring 43 is ring, and the second support ring 43 is located at 8 edges, bottom surface, the external diameter of the second support ring 43 and bottom surface 8 equal diameters, and described the second support ring 43 is connected by many first connection straps 46 with the first support ring 42.The shape of described three-support ring 44 matches with plane of inclination 9, three-support ring 44 is located at the edge of plane of inclination 9, the external diameter of the external diameter of described three-support ring 44 and plane of inclination 9 is equal, and three-support ring 44 is connected by many second connection straps 47 with the second support ring 43; Described the 4th support ring 45 is ring, and the 4th support ring 45 is located at web 10 edges, and the external diameter of the 4th support ring 45 is slightly less than the external diameter of web 10, and described the 4th support ring 45 is connected by many articles of the 3rd connection straps 48 with three-support ring 44.
The first support ring 42 described in the utility model, the second support ring 43, three-support ring 44, the 4th support ring 45, the first connection strap 46, the second connection strap 47 and the 3rd connection strap 48 are one-body molded, its material is spring steel, and its thickness is all less than 1mm and is less than the thickness of diaphragm 4; The angle of described the second connection strap 47 and the second support ring 43 equates with the angle of plane of inclination 9 and bottom surface 8; Angle and the plane of inclination 9 of described the second connection strap 47 and three-support ring 44 equate with the angle of web 10.The central axis of described the first support ring 42, second central axis of support ring 43, the central axis of the central axis of three-support ring 44 and the 4th support ring 45 coincide.
Diaphragm 4 described in the utility model is polytetrafluoroethylene PTFE diaphragm, and described diaphragm 4 once-throughs are outside supporting frame 41.The thinner thickness of supporting frame 41, diaphragm 4 can normally complete its work, and spring steel should have good combination property, as higher in limit of elasticity, relaxation resistance is good, corrosion-resistant etc.Supporting frame 41 can prevent diaphragm 4 fatigue deformations, has increased the working life of diaphragm 4.
As shown in Figure 6, Figure 7, described throttle orifice 13 is provided with the die 14 matching with it, and described die 14 internal surfaces are provided with one deck good antiscale property coating 15.This coating is epoxy titanium nanometer scale coating, and its good antiscale property, rotproofness, wear resistance etc. are all better, and throttle orifice 13 air inlets are difficult for stopping up, and have increased the working life of diaphragm 4.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. an Environmental-protecting dust-removing valve, comprise valve body, in valve body, be provided with delivery outlet, valve body is provided with valve gap, diaphragm is divided into front air chamber and rear gas chamber by the air cavity that is positioned at valve body and valve gap, valve gap top is provided with guide's part, it is characterized in that: described diaphragm is disc diaphragm, comprises bottom surface, plane of inclination and web; Described bottom center has diaphragm unit mounting hole, and described web has a plurality of diaphragm mounting holes, and described web also has a throttle orifice;
In diaphragm, be provided with a supporting frame, support frame as described above comprises the first support ring, the second support ring, three-support ring and the 4th support ring; Described the first support ring is ring, and the first support ring is located at diaphragm unit mounting hole edge, and the internal diameter of the first support ring is slightly larger than diaphragm unit mounting hole diameter; Described the second support ring is ring, and the second support ring is located at bottom edge, the external diameter of the second support ring and bottom surface equal diameters, and described the second support ring is connected by many first connection straps with the first support ring; The shape of described three-support ring matches with plane of inclination, and three-support ring is located at the edge of plane of inclination, and the external diameter of described three-support ring and the external diameter of plane of inclination are equal, and three-support ring is connected by many second connection straps with the second support ring; Described the 4th support ring is ring, and the 4th support ring is located at web edge, and the external diameter of the 4th support ring is slightly less than the external diameter of web, and described the 4th support ring is connected by many articles of the 3rd connection straps with three-support ring;
Described throttle orifice is provided with the die matching with it, and described die internal surface is provided with one deck good antiscale property coating.
2. Environmental-protecting dust-removing valve according to claim 1, is characterized in that: described diaphragm is polytetrafluoroethylene PTFE diaphragm, and described diaphragm once-through is outside supporting frame.
3. Environmental-protecting dust-removing valve according to claim 1, it is characterized in that: described the first support ring, the second support ring, three-support ring, the 4th support ring, the first connection strap, the second connection strap and the 3rd connection strap are one-body molded, its material is spring steel, and its thickness is all less than 1mm and is less than the thickness of diaphragm; The angle of described the second connection strap and the second support ring equates with the angle of plane of inclination and bottom surface; Angle and the plane of inclination of described the second connection strap and three-support ring equate with the angle of web.
4. Environmental-protecting dust-removing valve according to claim 1, is characterized in that: described good antiscale property coating is epoxy titanium nanometer scale coating.
5. according to the Environmental-protecting dust-removing valve described in claim 1 or 3, it is characterized in that: the central axis of described the first support ring, the central axis of the second support ring, the central axis of the central axis of three-support ring and the 4th support ring coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295755.4U CN203892608U (en) | 2014-06-05 | 2014-06-05 | Environment-friendly dedusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295755.4U CN203892608U (en) | 2014-06-05 | 2014-06-05 | Environment-friendly dedusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892608U true CN203892608U (en) | 2014-10-22 |
Family
ID=51719013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295755.4U Expired - Fee Related CN203892608U (en) | 2014-06-05 | 2014-06-05 | Environment-friendly dedusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150397A (en) * | 2018-02-07 | 2018-06-12 | 温岭市环力电器有限公司 | A kind of pressure controller diaphragm |
-
2014
- 2014-06-05 CN CN201420295755.4U patent/CN203892608U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150397A (en) * | 2018-02-07 | 2018-06-12 | 温岭市环力电器有限公司 | A kind of pressure controller diaphragm |
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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: 20141022 Termination date: 20170605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |