CN205169838U - Automatic valve of dredging of strength - Google Patents
Automatic valve of dredging of strength Download PDFInfo
- Publication number
- CN205169838U CN205169838U CN201520960176.1U CN201520960176U CN205169838U CN 205169838 U CN205169838 U CN 205169838U CN 201520960176 U CN201520960176 U CN 201520960176U CN 205169838 U CN205169838 U CN 205169838U
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- CN
- China
- Prior art keywords
- push rod
- spring
- valve
- valve block
- air extractor
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- Withdrawn - After Issue
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Abstract
Automatic valve of dredging of strength, including the valve body, the internal spring cavity of seting up of valve, ejector pin chamber and valve block chamber, the valve body is equipped with the one end installation end cover in valve block chamber, the valve body is equipped with the one end installation spring pressing cover of spring cavity, the ejector pin chamber respectively with valve block chamber and spring cavity UNICOM, valve block intracavity installation valve block, the valve block divide into two first room and second rooms that independence is obstructed with the valve block chamber, ejector pin intracavity installation ejector pin, there is certain clearance between ejector pin and ejector pin chamber, installation spring in the spring cavity, the both ends of spring contact with spring pressing cover and ejector pin respectively, the one end and the valve block contact of ejector pin, the spring can provide the reset force for the valve block through the ejector pin. It is made and use cost is cheap, move accurate stability. It has that instantaneous aeration quantity is big, the reaction fast, arrange stifled efficient, the operation is stable, simple structure and the convenient advantage of processing equipment.
Description
Technical field
The utility model relates to a kind of strength automatic dredging valve.
Background technology
, there is the problem of the frequent plugging of material in the granular material delivery system of widespread use in the fields such as thermoelectricity, metallurgy, chemical industry.Current solution to the problems described above is mostly on material conveying pipe, install the high pressure gas communicated with compressed air piping additional help and blow valve.When plugging, this device is instantaneous is filled with a large amount of high pressure gas in delivery duct, to blow away blocking place material, makes pipe unimpeded.Existing help to blow on valve all need independently detecting device, make pressure raise phenomenon to realize detecting in time material plugging, and control high pressure gas and be blown into unimpeded.But existing detecting device has the following disadvantages: 1, it is all be made up of complex structure, expensive electric elements, and it is with high costs, and in addition, electric elements are not suitable with the bad working environments environment of granule materials delivery system work, and fault rate is high; 2, its vent line is exposed to valve body outside, and often occurring exposing the aging or breakage of pipeline in using cannot the problem of normal air feed.Therefore, existing high pressure gas help and blow the actual user demand that valve can not meet user.
Utility model content
The purpose of this utility model is to provide a kind of strength automatic dredging valve, and it is with low cost, stable and not easily leak gas, and can fundamentally solve prior art Problems existing.
The utility model for achieving the above object, be achieved through the following technical solutions: strength automatic dredging valve, comprise valve body, spring cavity is offered in valve body, push rod chamber and valve block chamber, end cap is installed in one end that valve body is provided with valve block chamber, valve body is provided with one end mounting spring gland of spring cavity, push rod chamber respectively with valve block chamber and spring cavity UNICOM, in valve block chamber, valve block is installed, the first Room that valve block chamber is divided into two independence obstructed by valve block and the second Room, in push rod chamber, push rod is installed, certain interval is had between push rod and push rod chamber, mounting spring in spring cavity, the two ends of spring respectively with spring capping and ejector pin contact, one end of push rod contacts with valve block, spring by push rod for valve block provides reset force, the first air extractor vent and the second air extractor vent is offered in valve body, the two ends of the second air extractor vent communicate with push rod chamber and the second Room respectively, the two ends of the first air extractor vent communicate with spring cavity and the second air extractor vent respectively, valve body is offered linked hole and dredge outlet, linked hole makes the first Room communicate with the external world, dredge outlet is communicated with the second air extractor vent by push rod chamber, and valve body or spring capping offer admission port, scanty stomatal is offered in push rod, the open rearward end of scanty stomatal communicates with spring cavity, the front opening of scanty stomatal is located on push rod sidewall, the first seal ring is installed in push rod periphery, second seal ring and the 3rd seal ring, first seal ring, second seal ring is fixedly connected with push rod or valve body with the 3rd seal ring, dredge outlet and spring cavity can cut off by the 3rd seal ring, when push rod is positioned at foremost, the both sides that first seal ring and the second seal ring can be positioned at scanty stomatal front opening are sealed, the front opening of scanty stomatal does not communicate with the first Room, push rod is promoted in the moving process of spring direction at valve block, scanty stomatal can communicate with dredge outlet, the cross-sectional area of valve block is greater than the cross-sectional area of push rod.
In order to realize the purpose of this utility model further, can also by the following technical solutions: the first circular groove is offered in the periphery of described push rod, and the first annular slot between the first seal ring and the second seal ring, and communicates with the front opening of scanty stomatal.The second circular groove is offered in the periphery of described push rod, and the second circular groove can communicate with the second air extractor vent and dredge outlet.Offer the second circular groove in described push rod chamber, the second circular groove can communicate with the second air extractor vent and dredge outlet.Described end cap is offered the 3rd air extractor vent, the 3rd air extractor vent communicates with the second air extractor vent, and the second air extractor vent is communicated with the second Room by the 3rd air extractor vent.Described valve body installs set screw, and set screw communicates with the first air extractor vent, to regulate the flow of the first air extractor vent.Described valve body installs air-pressure gauge, and air-pressure gauge communicates with the first air extractor vent.Described spring capping is provided with outside thread, and spring capping is threaded with valve body.Described push rod is connected with valve block.The sidewall of described push rod offers side opening, and side opening communicates with scanty stomatal, and when push rod is positioned at front end end position, scanty stomatal is between the first seal ring and the second seal ring.
The utility model has the advantage of: it need not any electric elements, only utilize simple physical construction can really realize detecting constantly and the function of automatic air blowing, manufacturing cost and use cost is cheap, run and precisely stablize.The push rod offering scanty stomatal is equipped with in its inside.When pipe choking, it utilizes scanty stomatal UNICOM high-pressure air source and delivery system, be filled with a large amount of high pressure gas by high-pressure air source directly in delivery system pipeline, have that instantaneous charge air is large, reaction speed is fast, unimpeded efficiency is high, stable, structure simple and process advantage easy to assembly.In addition, it replaces external pipeline with built-in air extractor vent, fundamentally can stop the problem of the easy aging or damaged gas leakage of pipeline, guarantees normal air feed unimpeded.
Accompanying drawing explanation
Fig. 1 is the structural representation of strength automatic dredging valve described in the utility model; Fig. 2 helps for emergent described in utility model the structural representation blowing valve another program automatically.
Reference numeral: 1 linked hole 19 second seal ring 20 scanty stomatal 21 second circular groove 22 dredge outlet 23 push rod chamber 24 the 3rd, Room 18, end cap 14 valve block 15 push rod 16 first Room 17 second, valve body 2 admission port 3 spring capping 4 spring cavity 5 set screw 6 first air extractor vent 7 air-pressure gauge 8 first circular groove 9 second air extractor vent 10 first seal ring 11 the 3rd air extractor vent 12 valve block chamber 13 seal ring 25 spring 26 side opening.
Detailed description of the invention
As shown in Figure 1, strength automatic dredging valve described in the utility model, comprises valve body 1.Spring cavity 4, push rod chamber 23 and valve block chamber 12 is offered in valve body 1.End cap 13 is installed in one end that valve body 1 is provided with valve block chamber 12, and valve body 1 is provided with one end mounting spring gland 3 of spring cavity 4.Push rod chamber 23 respectively with valve block chamber 12 and spring cavity 4 UNICOM.In valve block chamber 12, valve block 14 is installed, the first Room 16 and the second Room 17 that valve block chamber 12 is divided into two independence obstructed by valve block 14.In push rod chamber 23, push rod 15 is installed.Certain interval is had, so that push rod 15 moves axially and keeps the second Room 17 and delivery system pipeline UNICOM between push rod 15 and push rod chamber 23.Mounting spring 25 in spring cavity 4, the two ends of spring 25 contact with push rod 15 with spring capping 3 respectively, and one end of push rod 15 contacts with valve block 14.Spring 25 provides reset force left by push rod 15 for valve block 14, makes the trend of valve block 14 oriented end cap 13 movement all the time.The first air extractor vent 6 and the second air extractor vent 9 is offered in valve body 1.The two ends of the second air extractor vent 9 communicate with push rod chamber 23 and the second Room 17 respectively, and the two ends of the first air extractor vent 6 communicate with spring cavity 4 and the second air extractor vent 9 respectively.Valve body 1 is offered linked hole 18 and dredge outlet 22, linked hole 18 makes the first Room 16 communicate with the external world, less by air resistance when valve block 14 moves right.Dredge outlet 22 is communicated with the second air extractor vent 9 by push rod chamber 23.Valve body 1 or spring capping 3 offer admission port 2, and admission port 2 can be connected with high-pressure air source, high pressure gas are introduced spring cavity 4.Offer scanty stomatal 20 in push rod 15, the open rearward end of scanty stomatal 20 communicates with spring cavity 4, and the front opening of scanty stomatal 20 is located on push rod 15 sidewall.The first seal ring 10, second seal ring 19 and the 3rd seal ring 24 are installed in push rod 15 periphery.Dredge outlet 22 and spring cavity 4 cut off by the 3rd seal ring 24, guarantee that spring cavity 4 cannot communicate with dredge outlet 22 by means of only push rod chamber 23 all the time.When push rod 15 is positioned at foremost, the both sides that the first seal ring 10 and the second seal ring 19 can be positioned at scanty stomatal 20 front opening are sealed, and guarantee that 20 front openings only can communicate with dredge outlet 22.If the first seal ring 10 and the second seal ring 19 are fixed on push rod 15, the front opening that then the first seal ring 10 and the second seal ring 19 are positioned at the both sides scanty stomatal 20 of scanty stomatal 20 front opening does not all the time communicate with the first Room 16, push rod 15 is promoted in the moving process of spring 25 direction at valve block 14, scanty stomatal 20 can communicate with dredge outlet 22, now, a large amount of high pressure gas can be filled with in delivery system pipeline through admission port 2, spring cavity 4, scanty stomatal 20 and dredge outlet 22 successively, are blown open by blocking material instantaneously.The cross-sectional area of valve block 14 is greater than the cross-sectional area of push rod 15.
When delivery system pipeline normally works, as shown in Figure 1, valve block 14 is pushed into left side end position by push rod 15 by described dredge valve inner spring 25, now, high pressure gas one tunnel enters delivery system pipeline through admission port 2, spring cavity 4, first air extractor vent 6, second air extractor vent 9, push rod chamber 23 and dredge outlet 22 successively, and the tolerance entered is minimum; Another road enters the second Room 17 act on valve block 14 through admission port 2, spring cavity 4, first air extractor vent 6, second air extractor vent 9 successively, valve block 14 is had overcome the trend that spring 25 elastic force moves to right.During owing to normally working, manifold pressure is less, and namely the second Room 17 internal pressure is less, and therefore, high pressure gas cannot promote valve block 14 and drive push rod 15 to move right.Under this state, the front opening of scanty stomatal 20 cannot be vented to dredge outlet 22.
Once delivery system pipeline blocks, blocking place manifold pressure rises to the setting value of described dredge valve, and now, the air pressure in the second Room 17 enough promotes valve block 14 and drives push rod 15 Compress Spring 25 to move right.When push rod 15 move to the front opening of scanty stomatal 20 is communicated with dredge outlet 22 time, high-pressure air source is directly filled with blocking place by instantaneous for a large amount of high pressure gas by admission port 2, spring cavity 4, scanty stomatal 20 and dredge outlet 22, the material of blocking is blown open, recovers unimpeded to make pipeline.After pipeline is unimpeded, its internal pressure reduces to recover normal value, and the second Room 17 internal pressure reduces, and spring 25 can promote push rod 15 and valve block 14 is pushed into again left side end position.
As shown in Figure 1, the first circular groove 8, first circular groove 8 can be offered between the first seal ring 10 and the second seal ring 19 in the periphery of described push rod 15, and communicates with the front opening of scanty stomatal 20.The design of the first circular groove 8 significantly can reduce the assembly difficulty of described dredge valve, and improves running precision and stability.If push rod 15 is not established the first circular groove 8, on the one hand, during assembling push rod 15, must ensure that the front opening of scanty stomatal 20 is corresponding with dredge outlet 22, thus, add assembly difficulty, improve time cost and the cost of labor of assembling; On the other hand, in operational process, the rotation of certain angle may be there is in push rod 15 in push rod chamber 23, once push rod 15 rotational angle greatly to making the front opening of scanty stomatal 20 normally cannot communicate with dredge outlet 22, the air-blowing quantity of described dredge valve to delivery system pipeline can be reduced, directly affect its unimpeded effect.In addition, the first circular groove 8 also can reduce the working accuracy of push rod 15 and scanty stomatal 20, when guaranteeing unimpeded scanty stomatal 20 can with dredge outlet 22 normal ventilation.
For reducing the working accuracy in push rod chamber 23, as shown in Figure 1, the second circular groove 21 is offered in the periphery of described push rod 15, second circular groove 21 can communicate with the second air extractor vent 9 and dredge outlet 22, make the pathway patency of dredge outlet 22, second air extractor vent 9, second Room 17, ensure that the second Room 17 is consistent with the air pressure in delivery system pipeline, thus guarantee the reaction sensitivity of described dredge valve.
As shown in Figure 2, offer the second circular groove 21, second circular groove 21 in described push rod chamber 23 to communicate with the second air extractor vent 9 and dredge outlet 22.Second circular groove 21 1 aspect can guarantee that the second Room 17 is equal with manifold pressure, to detect to stopping state in time, can be scanty stomatal 20 provides unimpeded gas circuit to dredge outlet 22 on the other hand.
For reducing working accuracy, thus cut down finished cost.As shown in Figure 1, described end cap 13 is offered the 3rd air extractor vent the 11, three air extractor vent 11 and communicate with the second air extractor vent 9, the second air extractor vent 9 is communicated with the second Room 17 by the 3rd air extractor vent 11, and gas can be made to act on valve block 14 better.
As shown in Figure 1, described valve body 1 installs set screw 5, set screw 5 communicates with the first air extractor vent 6, to regulate the gas flow of the first air extractor vent 6.
As shown in Figure 1, described valve body 1 installs air-pressure gauge 7, air-pressure gauge 7 communicates with the first air extractor vent 6, and to react the air pressure of described dredge valve in time, once operation irregularity appears in this dredge valve, staff can take emergency measures in time.
As shown in Figure 1, described spring capping 3 is provided with outside thread, and spring capping 3 is threaded with valve body 1.By the initial elastic force of spring capping 3 adjustable springs 25.
As shown in Figure 1, described push rod 15 can be connected with valve block 14, to meet the different requirements of user.
As shown in Figure 2, the sidewall of described push rod 15 offers side opening 26, and side opening 26 communicates with scanty stomatal 20.When push rod 15 is positioned at front end end position, scanty stomatal 20 is between the first seal ring 10 and the second seal ring 19.After side opening 26 can prevent push rod 15 from rotating, scanty stomatal 20 cannot be normally dredge outlet 22 air feed.Described side opening 26 can be multiple, to guarantee air demand.
The technical solution of the utility model is not restricted in the scope of embodiment described in the utility model.The technology contents of the not detailed description of the utility model is known technology.
Claims (10)
1. strength automatic dredging valve, comprise valve body (1), it is characterized in that: in valve body (1), offer spring cavity (4), push rod chamber (23) and valve block chamber (12), end cap (13) is installed in one end that valve body (1) is provided with valve block chamber (12), valve body (1) is provided with one end mounting spring gland (3) of spring cavity (4), push rod chamber (23) respectively with valve block chamber (12) and spring cavity (4) UNICOM, in valve block chamber (12), valve block (14) is installed, the first Room (16) that valve block chamber (12) are divided into two independence obstructed by valve block (14) and the second Room (17), in push rod chamber (23), push rod (15) is installed, certain interval is had between push rod (15) and push rod chamber (23), spring cavity (4) interior mounting spring (25), the two ends of spring (25) contact with push rod (15) with spring capping (3) respectively, one end of push rod (15) contacts with valve block (14), spring (25) by push rod (15) for valve block (14) provides reset force, the first air extractor vent (6) and the second air extractor vent (9) is offered in valve body (1), the two ends of the second air extractor vent (9) communicate with push rod chamber (23) and the second Room (17) respectively, the two ends of the first air extractor vent (6) communicate with spring cavity (4) and the second air extractor vent (9) respectively, valve body (1) is offered linked hole (18) and dredge outlet (22), linked hole (18) makes the first Room (16) communicate with the external world, dredge outlet (22) is communicated with the second air extractor vent (9) by push rod chamber (23), valve body (1) or spring capping (3) offer admission port (2), scanty stomatal (20) is offered in push rod (15), the open rearward end of scanty stomatal (20) communicates with spring cavity (4), the front opening of scanty stomatal (20) is located on push rod (15) sidewall, the first seal ring (10) is installed in push rod (15) periphery, second seal ring (19) and the 3rd seal ring (24), first seal ring (10), second seal ring (19) is fixedly connected with push rod (15) or valve body (1) with the 3rd seal ring (24), dredge outlet (22) and spring cavity (4) can cut off by the 3rd seal ring (24), when push rod (15) is positioned at foremost, the both sides that first seal ring (10) and the second seal ring (19) can be positioned at scanty stomatal (20) front opening are sealed, the front opening of scanty stomatal (20) does not communicate with the first Room (16), push rod (15) is promoted in the moving process of spring (25) direction at valve block (14), scanty stomatal (20) can communicate with dredge outlet (22), the cross-sectional area of valve block (14) is greater than the cross-sectional area of push rod (15).
2. strength automatic dredging valve according to claim 1, it is characterized in that: the first circular groove (8) is offered in the periphery of described push rod (15), first circular groove (8) is positioned between the first seal ring (10) and the second seal ring (19), and communicates with the front opening of scanty stomatal (20).
3. strength automatic dredging valve according to claim 1 and 2, it is characterized in that: the second circular groove (21) is offered in the periphery of described push rod (15), the second circular groove (21) can communicate with the second air extractor vent (9) and dredge outlet (22).
4. strength automatic dredging valve according to claim 1 and 2, it is characterized in that: offer the second circular groove (21) in described push rod chamber (23), the second circular groove (21) can communicate with the second air extractor vent (9) and dredge outlet (22).
5. strength automatic dredging valve according to claim 1 and 2, it is characterized in that: described end cap (13) is offered the 3rd air extractor vent (11), 3rd air extractor vent (11) communicates with the second air extractor vent (9), and the second air extractor vent (9) is communicated with the second Room (17) by the 3rd air extractor vent (11).
6. strength automatic dredging valve according to claim 1, it is characterized in that: described valve body (1) is installed set screw (5), set screw (5) communicates with the first air extractor vent (6), to regulate the flow of the first air extractor vent (6).
7. strength automatic dredging valve according to claim 1, is characterized in that: described valve body (1) is installed air-pressure gauge (7), and air-pressure gauge (7) communicates with the first air extractor vent (6).
8. strength automatic dredging valve according to claim 1, is characterized in that: described spring capping (3) is provided with outside thread, and spring capping (3) is threaded with valve body (1).
9. strength automatic dredging valve according to claim 1, is characterized in that: described push rod (15) is connected with valve block (14).
10. strength automatic dredging valve according to claim 1, it is characterized in that: the sidewall of described push rod (15) is offered side opening (26), side opening (26) communicates with scanty stomatal (20), when push rod (15) is positioned at front end end position, scanty stomatal (20) is positioned between the first seal ring (10) and the second seal ring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960176.1U CN205169838U (en) | 2015-11-27 | 2015-11-27 | Automatic valve of dredging of strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960176.1U CN205169838U (en) | 2015-11-27 | 2015-11-27 | Automatic valve of dredging of strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205169838U true CN205169838U (en) | 2016-04-20 |
Family
ID=55733854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520960176.1U Withdrawn - After Issue CN205169838U (en) | 2015-11-27 | 2015-11-27 | Automatic valve of dredging of strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205169838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600466A (en) * | 2015-11-27 | 2016-05-25 | 邹平创星环保设备有限公司 | Automatic pneumatic dredging valve |
-
2015
- 2015-11-27 CN CN201520960176.1U patent/CN205169838U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600466A (en) * | 2015-11-27 | 2016-05-25 | 邹平创星环保设备有限公司 | Automatic pneumatic dredging 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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20171208 |