CN103423487A - T-shaped synchronous drive triplex sealing check valve - Google Patents
T-shaped synchronous drive triplex sealing check valve Download PDFInfo
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- CN103423487A CN103423487A CN201310406774XA CN201310406774A CN103423487A CN 103423487 A CN103423487 A CN 103423487A CN 201310406774X A CN201310406774X A CN 201310406774XA CN 201310406774 A CN201310406774 A CN 201310406774A CN 103423487 A CN103423487 A CN 103423487A
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Abstract
The invention discloses a T-shaped synchronous drive triplex sealing check valve which comprises a valve body and a valve rod. A left flange and a right flange are arranged at two end openings of the valve body respectively. A lower flange is arranged on the lower side of the valve body. The valve rod comprises a main valve rod body and a subsidiary valve rod body which are perpendicular to each other. A connecting hole ring is arranged in the middle of the main valve rod body. The two ends of the main valve rod body are connected with a left valve deck ring and a right valve deck ring respectively. The left valve deck ring and the right valve deck ring are fixed on the outer side of the left flange and the outer side of the right flange respectively. A left rod is sleeved with a left reset spring and a left valve clack, and a right rod is sleeved with a right reset spring and a right valve clack. The lower end of the subsidiary valve rod body is connected with a lower valve clack located on the inner side of the lower flange. A linkage rod is arranged on the upper side of the main valve rod body and comprises a left linkage rod body and a right linkage rod body, wherein the left linkage rod body and the right linkage rod body are connected together through a double-pin shaft, and the other end of the left linkage rod body and the other end of the right linkage rod body are connected with the left valve clack and the right valve clack respectively through a single-pin shaft. The upper end of the subsidiary valve rod body penetrates through the connecting hole ring to be connected with a shaft base of the double-pin shaft. The T-shaped synchronous drive triplex sealing check valve has the advantages of being good in sealing performance, noiseless, and suitable for one-way input and two-way output pipelines.
Description
Technical field
The present invention relates to a kind of safety check, be specially T-shaped synchronous driving three sealing safety check.
Background technique
Safety check is mainly used on the pipeline of medium one-way flow, only allow medium to flow to a direction, to try to avert accidents, mainly comprise the parts such as valve body, valve gap ring, valve rod, Returnning spring, flap, its groundwork principle is the safety check of flap along valve stem slides, damping check valve is applicable to be installed on various horizontal pipes, traditional safety check can only be for one-pipe cut-off circulation, a plurality of safety check be must use for multidirectional input and output pipeline, cost of production and user cost increased.
Summary of the invention
Technical problem to be solved by this invention is, a kind of T-shaped synchronous driving three sealing safety check are provided, and this safety check can be realized unidirectional input, multidirectional output pipeline.
For solving the problems of the technologies described above, T-shaped synchronous driving three sealing safety check provided by the present invention comprise valve body and are arranged on the valve rod in body cavity that the two-port of described valve body is respectively equipped with left flange and right flange,
The downside of described valve body also is provided with lower flange;
Described valve rod comprises orthogonal main valve stem and auxiliary valve rod:
The middle part of described main valve stem offers the connection orifice ring, and the body of rod that connects the orifice ring both sides is respectively left bar and right bar; The two ends of described main valve stem are fixedly connected with right valve gap ring with left valve gap ring respectively, and described left valve gap ring and right valve gap ring are separately fixed at left flange and the right flange outside; Be arranged with respectively left Returnning spring and right Returnning spring on the left bar of main valve stem and right bar, and slidably connect respectively left flap and right flap, described left flap and right flap lay respectively at the inboard of left flange and right flange;
The lower end of described auxiliary valve rod is fixedly connected with the lower Disc that is positioned at the lower flange inboard;
Upside at described main valve stem is provided with linkage rod, and this linkage rod comprises Left-wing Federation's lever and the right linkage rod that an end is fixed together by double pin axle, and the other end of Left-wing Federation's lever and right linkage rod is fixedly connected with by single bearing pin with right flap with left flap respectively;
The upper end of described auxiliary valve rod is fixedly connected with the axle bed of double pin axle through connecting orifice ring.
Further, described main valve stem comprises an intermediate section, lay respectively at two main paragraphs at intermediate section two ends, lay respectively at two holding parts of two main paragraph outer ends, and the size of described intermediate section, main paragraph and holding part reduces successively; Described left Returnning spring and right Returnning spring, left flap and right flap are set in respectively on corresponding main paragraph, and described left valve gap ring is fixedly connected with corresponding holding part respectively with right valve gap ring.
Further, between the holding part of described left valve gap ring and right valve gap ring and main valve stem, be bolted to connection.
Further, described left valve gap ring and right valve gap ring are connected by trapezoidal thread respectively between left flange and the right flange outside and valve body.
Further, described left flap, right flap and lower Disc are disc.
Further, the surface of described left flap, right flap and lower Disc all is coated with the anti-corrosive rubber layer.
Further, the interior edge face of described left valve gap ring and right valve gap ring is provided with sealing surface.
Further, the center of described left flap and right flap is provided with the flap orifice ring, described left valve gap ring and right valve gap Huan De center are provided with the cylindrical body stationary platen of inside head face hump, the external diameter of this cylindrical body stationary platen is greater than the diameter of flap orifice ring, offer valve gap annular distance ring at the center of cylindrical body stationary platen, described valve gap annular distance ring divides two sections, identical with flap orifice ring diameter near one section diameter of flap, away from one section diameter of flap, is less than flap orifice ring diameter.
Further, also be provided with valve gap on described valve body, between this valve gap and valve body, flange is connected.
The T-shaped design that valve rod of the present invention adopts main valve stem and auxiliary valve rod to form, coordinate linkage rod, closes when realizing the left and right valve port and open, and has good seal performance, and quiet characteristics, be applicable to unidirectional input, two-way output pipeline.
The accompanying drawing explanation
Accompanying drawing 1 is cross-sectional view of the present invention;
The amplification linkage structure schematic diagram that accompanying drawing 2 is double pin axle A;
The linkage structure schematic diagram is amplified in the side that accompanying drawing 3 is double pin axle A;
The linkage structure schematic diagram is amplified in overlooking that accompanying drawing 4 is double pin axle A;
The amplification linkage structure schematic diagram that accompanying drawing 5 is single bearing pin B;
The linkage structure schematic diagram is amplified in overlooking that accompanying drawing 6 is single bearing pin B.
Number in the figure: 1-valve body; The 2-valve gap; 31-Left-wing Federation lever; The right linkage rod of 32-; The 4-auxiliary valve rod; The left Returnning spring of 51-; Returnning spring under 52-; The right Returnning spring of 53-; The 6-main valve stem; The left valve gap ring of 71-; The right valve gap ring of 72-; The left flap of 81-; The 82-lower Disc; The right flap of 83-.
Embodiment
Embodiments of the invention 1:
As shown in Figure 1, T-shaped synchronous driving three sealing safety check of the present invention, comprise valve body 1 and be arranged on the valve rod in valve body 1 inner chamber, the two-port of described valve body 1 is respectively equipped with left flange and right flange, the downside of valve body 1 also is provided with lower flange, wherein, valve rod comprises orthogonal main valve stem 6 and auxiliary valve rod 4.
Described main valve stem 6 comprises an intermediate section, lay respectively at two main paragraphs at intermediate section two ends, lay respectively at two holding parts of two main paragraph outer ends, and the size of described intermediate section, main paragraph and holding part reduces successively; Offer the connection orifice ring on intermediate section, connect orifice ring main valve stem 6 has been divided into to left bar and right bar; The outer end that is arranged with respectively left Returnning spring 51 and right Returnning spring 53, left flap 81 and 83, two holding parts of right flap on two main paragraphs is bolted to connection respectively left valve gap ring 71 and right valve gap ring 72.
Wherein, the interior edge face of left valve gap ring 71 and right valve gap ring 72 is provided with sealing surface, and between left flange and the right flange outside and valve body 1, by trapezoidal thread, is connected respectively; Left flap 81 and right flap 83 are disc, and surface all is coated with the anti-corrosive rubber layer, lay respectively at the inboard of left flange and right flange.
The lower end of described auxiliary valve rod 4 is fixedly connected with the lower Disc 82 that is positioned at the lower flange inboard;
Upside at described main valve stem 6 is provided with linkage rod, this linkage rod comprises Left-wing Federation's lever 31 and the right linkage rod 32 that an end is fixed together by double pin axle, and the other end of Left-wing Federation's lever 31 and right linkage rod 32 is fixedly connected with by single bearing pin with right flap 83 with left flap 81 respectively;
Described left flap 81 and right flap 83De center are provided with the flap orifice ring, described left valve gap ring 71 and right valve gap Huan72De center are provided with the cylindrical body stationary platen of inside head face hump, the external diameter of this cylindrical body stationary platen is greater than the diameter of flap orifice ring, offer valve gap annular distance ring at the center of cylindrical body stationary platen, described valve gap annular distance ring divides two sections, one section diameter near flap is identical with flap orifice ring diameter, one section diameter away from flap is less than flap orifice ring diameter, valve gap annular distance ring adopts the two-stage structure of different-diameter, and one section diameter away from flap is less than flap orifice ring diameter, guarantee main valve stem 6 and valve gap ring, sealing between flap, thereby improve the sealing of whole valve.
Also be provided with valve gap 2 on described valve body 1, between this valve gap 2 and valve body 1, flange is connected.
Safety check running of the present invention is as follows:
Lower Disc 82 is opened lower valve port by pressure medium and is driven auxiliary valve rod 4 longitudinal movements, drive again the double pin axle longitudinal movement that makes progress, Left-wing Federation's lever 31, right linkage rod 32 are up pushed up at the connecting end at double pin axle place, Left-wing Federation's lever 31, right linkage rod 32 the other ends are just by single bearing pin, drive left flap 81, right flap 83 respectively to the valve inner motion, open left and right valve port; Now left flap 81, right flap 83 and lower Disc 82 compress respectively left Returnning spring 51, right Returnning spring 53 and lower Returnning spring 52; When medium stops, lower Disc 82 relies on self gravitation and lower Returnning spring 52 to stretch and promotes to move downward to close lower valve port, and lower Disc 82 drive auxiliary valve rods 4 are done longitudinal movement and made Left-wing Federation's lever 31, right linkage rod 32 do the recovery motion; Now, the stretching, extension of the recovery campaign by Left-wing Federation's lever 31, right linkage rod 32 of left flap 81, right flap 83 and left Returnning spring 51, right Returnning spring 53 is closed left and right valve port under promoting.The perfect realization opened simultaneously, the unidirectional input of simultaneously closing, the process of two-way output.
The present invention has good seal performance, and quiet characteristics are applicable to unidirectional input, two-way output pipeline.
Above-mentioned embodiment is exemplary, is to be limiting the scope of the invention in order better to make those skilled in the art can understand the present invention, can not to be interpreted as; As long as make any being equal to of having done according to disclosed spirit change or modify, all fall into the scope of protection of the invention.
Claims (9)
1. T-shaped synchronous driving three sealing safety check, comprise valve body (1) and be arranged on the valve rod in valve body (1) inner chamber, and the two-port of described valve body (1) is respectively equipped with left flange and right flange, it is characterized in that:
The downside of described valve body (1) also is provided with lower flange;
Described valve rod comprises orthogonal main valve stem (6) and auxiliary valve rod (4):
The middle part of described main valve stem (6) offers the connection orifice ring, and the body of rod that connects the orifice ring both sides is respectively left bar and right bar; The two ends of described main valve stem (6) are fixedly connected with right valve gap ring (72) with left valve gap ring (71) respectively, and described left valve gap ring (71) and right valve gap ring (72) are separately fixed at left flange and the right flange outside; Be arranged with respectively left Returnning spring (51) and right Returnning spring (53) on the left bar of main valve stem (6) and right bar, and slidably connecting respectively left flap (81) and right flap (83), described left flap (81) and right flap (83) lay respectively at the inboard of left flange and right flange;
The lower end of described auxiliary valve rod (4) is fixedly connected with the lower Disc that is positioned at the lower flange inboard (82);
Upside at described main valve stem (6) is provided with linkage rod, this linkage rod comprises Left-wing Federation's lever (31) and the right linkage rod (32) that an end is fixed together by double pin axle, and the other end of Left-wing Federation's lever (31) and right linkage rod (32) is fixedly connected with by single bearing pin with right flap (83) with left flap (81) respectively;
The upper end of described auxiliary valve rod (4) is fixedly connected with the axle bed of double pin axle through connecting orifice ring.
2. T-shaped synchronous driving three according to claim 1 seals safety check, it is characterized in that: described main valve stem (6) comprises an intermediate section, lay respectively at two main paragraphs at intermediate section two ends, lay respectively at two holding parts of two main paragraph outer ends, and the size of described intermediate section, main paragraph and holding part reduces successively; Described left Returnning spring (51) and right Returnning spring (53), left flap (81) and right flap (83) are set in respectively on corresponding main paragraph, and described left valve gap ring (71) is fixedly connected with corresponding holding part respectively with right valve gap ring (72).
3. T-shaped synchronous driving three sealing safety check according to claim 2, is characterized in that: between the holding part of described left valve gap ring (71) and right valve gap ring (72) and main valve stem (6), be bolted to connection.
4. T-shaped synchronous driving three according to claim 1 seals safety check, and it is characterized in that: described left valve gap ring (71) and right valve gap ring (72) are connected by trapezoidal thread respectively between left flange and the right flange outside and valve body (1).
5. T-shaped synchronous driving three according to claim 1 seals safety check, and it is characterized in that: described left flap (81), right flap (83) and lower Disc (82) are disc.
6. T-shaped synchronous driving three seals safety check according to claim 1 or 5, and it is characterized in that: the surface of described left flap (81), right flap (83) and lower Disc (82) all is coated with the anti-corrosive rubber layer.
7. T-shaped synchronous driving three according to claim 1 seals safety check, and it is characterized in that: the interior edge face of described left valve gap ring (71) and right valve gap ring (72) is provided with sealing surface.
8. T-shaped synchronous driving three according to claim 1 seals safety check, it is characterized in that: the center of described left flap (81) and right flap (83) is provided with the flap orifice ring, the center of described left valve gap ring (71) and right valve gap ring (72) is provided with the cylindrical body stationary platen of inside head face hump, the external diameter of this cylindrical body stationary platen is greater than the diameter of flap orifice ring, offer valve gap annular distance ring at the center of cylindrical body stationary platen, described valve gap annular distance ring divides two sections, one section diameter near flap is identical with flap orifice ring diameter, one section diameter away from flap is less than flap orifice ring diameter.
9. T-shaped synchronous driving three sealing safety check according to claim 1 is characterized in that: also be provided with valve gap (2) on described valve body (1), between this valve gap (2) and valve body (1), flange is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310406774.XA CN103423487B (en) | 2013-09-09 | 2013-09-09 | A kind of T-shaped synchronization drives triplex sealing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310406774.XA CN103423487B (en) | 2013-09-09 | 2013-09-09 | A kind of T-shaped synchronization drives triplex sealing check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423487A true CN103423487A (en) | 2013-12-04 |
| CN103423487B CN103423487B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310406774.XA Active CN103423487B (en) | 2013-09-09 | 2013-09-09 | A kind of T-shaped synchronization drives triplex sealing check valve |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1814691A (en) * | 1929-05-20 | 1931-07-14 | G M Davis Regulator Company | Valve |
| US1925610A (en) * | 1930-01-14 | 1933-09-05 | Shinn Devices Corp | Pressure operated two-way valve |
| CN2410503Y (en) * | 1999-12-03 | 2000-12-13 | 杨毅 | Automatic change check valve |
| CN2529039Y (en) * | 2001-09-10 | 2003-01-01 | 张玉琪 | Omnibearing two-way automatic check valve |
| US20040144436A1 (en) * | 2003-01-29 | 2004-07-29 | Dennis Zeiber | Ventable manifold |
| US20100043901A1 (en) * | 2008-08-19 | 2010-02-25 | Jason Scot Richardson | Hydraulic apparatus having an axially actuatable bypass valve |
| CN202032129U (en) * | 2011-03-25 | 2011-11-09 | 卓开挺 | Three-way check valve for adsorption dryer |
-
2013
- 2013-09-09 CN CN201310406774.XA patent/CN103423487B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1814691A (en) * | 1929-05-20 | 1931-07-14 | G M Davis Regulator Company | Valve |
| US1925610A (en) * | 1930-01-14 | 1933-09-05 | Shinn Devices Corp | Pressure operated two-way valve |
| CN2410503Y (en) * | 1999-12-03 | 2000-12-13 | 杨毅 | Automatic change check valve |
| CN2529039Y (en) * | 2001-09-10 | 2003-01-01 | 张玉琪 | Omnibearing two-way automatic check valve |
| US20040144436A1 (en) * | 2003-01-29 | 2004-07-29 | Dennis Zeiber | Ventable manifold |
| US20100043901A1 (en) * | 2008-08-19 | 2010-02-25 | Jason Scot Richardson | Hydraulic apparatus having an axially actuatable bypass valve |
| CN202032129U (en) * | 2011-03-25 | 2011-11-09 | 卓开挺 | Three-way check valve for adsorption dryer |
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| Publication number | Publication date |
|---|---|
| CN103423487B (en) | 2016-09-07 |
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