CN103133728A - Large-diameter mute quickly-closed check valve - Google Patents
Large-diameter mute quickly-closed check valve Download PDFInfo
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- CN103133728A CN103133728A CN2013100373144A CN201310037314A CN103133728A CN 103133728 A CN103133728 A CN 103133728A CN 2013100373144 A CN2013100373144 A CN 2013100373144A CN 201310037314 A CN201310037314 A CN 201310037314A CN 103133728 A CN103133728 A CN 103133728A
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Abstract
The invention discloses a large-diameter mute quickly-closed check valve which comprises a valve body provided with medium circulation tubes at two ends. A valve seat is arranged in the valve body. The large-diameter mute quickly-closed check valve further comprises a diversion body check valve core arranged in the valve body, a support moving structure for supporting the diversion body check valve core, a sliding block connected with the diversion body check valve core, a sliding rod connected with the sliding block, and a non-return driving structure with one end contacted with the sliding block and used for driving the sliding block to perform non-return movement. The diversion body check valve core in the large-diameter mute quickly-closed check valve adopts a movable structure, namely the diversion effect and the sealing effect are played, the whole structure is convenient to install, the support moving structure is used for supporting the diversion body check valve core, the supporting is stable, and operation is stable.
Description
Technical field
The invention belongs to the water supply line control valve, be specifically related to pipe line check valve in a kind of large-scale pipeline.
Background technique
The safety check that adopts in the existing large-scale pipeline of water delivery more than 1 meter comprises butterfly check valve, and the flap of this structure needs external connection power when closing, and structural configuration comparatively bothers, in addition, flap because the effect of current can produce vibrations, affects the normal operation of valve when rotary closing.Existing a kind of quick closing type safety check, flap moves in fixing deflector, and the movement guide structure of flap is installed inconvenience, and the flow coefficient of this valve is little simultaneously, and it is relatively large that water is crossed in the valve process damage by water through device for cleaning pipeline.
Summary of the invention
The object of the present invention is to provide in the large-scale pipeline of a kind of water delivery more than 1 meter guide structure simple, the quiet quick-closure check valve of heavy caliber easy for installation addresses the above problem.
Technological scheme of the present invention is: heavy caliber squelch type quick-closure check valve, and it comprises that two ends offer the valve body of MEDIA FLOW siphunculus, is provided with valve seat in valve body, it also comprises:
Establish in valve body:
The deflector non-return valve core: the deflector non-return valve core has the non-return sealing surface, contact sealing between non-return sealing surface and valve seat, described deflector non-return valve core is arranged in face of the media flow direction in the cavity of valve body housing formation, forms the water conservancy diversion runner between the guide face of described deflector non-return valve core and valve body inner walls;
Support moving structure: described deflector non-return valve core is supported on and supports on moving structure;
Slide block: be connected with described deflector non-return valve core;
Slide bar: be connected with described slide block;
The non-return driving structure: an end of non-return driving structure contacts with slide block, and the driving slide block is done non-return and moved.
Deflector non-return valve core in the present invention adopts portable structure, namely plays the effect of water conservancy diversion, and the effect of the sealing played is arranged, and overall structure is convenient to install, and supports moving structure and is used for supporting the deflector non-return valve core, supports more stablely, moves more steady.
Described valve body comprises front valve shell and rear valve body, connects sealing between front valve shell and rear valve body.Split type valve body structure is convenient to the valve inner structure and is comprised the installation of supporting moving structure, deflector non-return valve core etc.
Offer the mounting hole of valve body inner structure on described valve body, be connected sealing on mounting hole with valve gap; Form the water conservancy diversion runner between the guide face of described deflector non-return valve core and valve body inner walls, valve gap inwall.
The shape of described deflector non-return valve core is the ellipsoidal shape of a part; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.
The shape of above-mentioned diversion check spool can guarantee that its damage by water in runner is minimum, does not cause water hammer in its fast moving process simultaneously.
Described support moving structure comprises the supporting track that is fixed in valve body, is arranged at the moving member on supporting track, the connection that described moving member is connected with described deflector non-return valve core.This support moving structure makes the deflector non-return valve core move steadily, and particularly in the existing large-scale pipeline of water delivery more than 1 meter, the deflector non-return valve core moves steady can the minimizing operation vibrations, reduce damage by water, avoids the generation of water hammer.
Described non-return driving structure comprises sleeve, is provided with guide rod in sleeve, is provided with check spring between guide rod and slide block.Said structure is simple, is convenient to mounting arrangements in valve body, and the resistance of non-return action is little fast.
Guide rod and slide bar be coaxial is set to whole rod member, slide block set is located on slide bar, the guide rod end is established the check spring pretightening force and is adjusted structure, reduce the component in valve body, be convenient to mounting arrangements in valve body, the check spring pretightening force is adjusted structure and is guaranteed that on the one hand the Applicable scope of valve is large, extends shelf life on the other hand.
The check spring pretightening force is adjusted structure and is comprised adjustment barrel sheathed on guide rod, adjustment barrel one end and check spring end contact, and the other end of adjustment barrel contacts with the adjusting gland.This structure is convenient to it is arranged on valve body and/or valve gap.
Described sleeve is arranged on valve body and/or valve gap, forms overall structure with valve body and/or valve gap.Such scheme can be realized the whole manufacturing of sleeve, valve body and/or valve gap, makes compact structure.
The shape of the valve body inner walls at described water conservancy diversion runner place is corresponding with the shape of deflector non-return valve core, is the ellipsoidal shape of a part; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.
The shape that the valve body inner walls at described water conservancy diversion runner place, valve gap inwall consist of is corresponding with the shape of deflector non-return valve core, is the ellipsoidal shape of a part; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.
Technique scheme can guarantee that the vertical area of water conservancy diversion runner is identical with the vertical area of MEDIA FLOW siphunculus, improves flow coefficient, reduces simultaneously damage by water, avoids the generation of water hammer.
This valve is used for being arranged on large-scale pipeline, the fast closed form safety check of elimination water hammer volume prevents from flowing backwards, valve adopts the guide mechanism of track roller, adopt the driving mode that split spring non-return drives and the waterpower self-acting combines, this structure is not subjected to the restriction of valve aperture size, the guide mechanism jam is little, and non-return is rapid, and spring force can externally be adjusted simultaneously.These valve characteristics have: when the pipeline normal water supply, the valve cavity runner is the full runner lower resistance of continuous flow line type structure, and the valve hydraulic loss is very low; When system's termination of pumping or pass valve, valve is by the induction system flow velocity, quick closedown under spring-force driven dual power, non-return is effectively eliminated water hammer simultaneously fast, because of spring force adjustable, the velocity of medium that can make in theory valve close when putting in place is just zero, can reach the optimal effectiveness that quick non-return is eliminated water hammer.
Description of drawings
The quiet quick-closure check valve structure of Fig. 1 heavy caliber opening state is looked schematic diagram.
The quiet quick-closure check valve structure of Fig. 2 heavy caliber non-return state is looked schematic diagram.
The quiet quick-closure check valve structure of Fig. 3 heavy caliber II schematic diagram.
Embodiment
Embodiment 1
As shown in Figure 1, 2, valve body comprises front valve shell 101 and rear valve body 102, and the flange arrangement 103 that arranges on passing through front valve shell 101 and rear valve body is connected between front valve shell 101 and rear valve body 102 connects sealing.Front valve shell 101 comprises that front end facility medium (water) enters run 104, and rear valve body 102 comprises that rearward end facility medium (water) flows out run 105.The rear end of front valve shell 101 with and the leading portion of rear valve body 102 consist of the installation cavity 106 of valve body inner structure.
The end that the medium (water) of non-return direction the present embodiment front valve shell 101 of valve body enters run 104 is provided with valve seat 107.
Install in cavity 106 and be provided with the support moving structure, in the present embodiment, according to caliber, cavity 106 top and the bottom are being installed in suffered carrying, and left and right section is equipped with and supports moving structure and consist of stable movable support.Also can be according to caliber, suffered being carried on installed 106 of cavitys and one or two or three are set are supported moving structures.
Support moving structure and comprise the supporting track 201 that is fixed in valve body, be arranged at the moving member on supporting track.Moving member can adopt the slide carriage structure that is connected with supporting track 201, also can adopt vehicle structure.Adopt vehicle structure in the present embodiment, vehicle structure comprises connection dunnage 203, connects on dunnage 203 to be connected with roller 204, and it is more stable that this structure connects support, and moving resistance is little simultaneously.The stroke limit structure can be provided with between supporting track 201 and moving member 202, the structure (not shown) such as limiting stopper, block can be adopted.
Install in cavity 106 and establish deflector non-return valve core 301, the shape of deflector non-return valve core is the ellipsoidal shape of a part; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.Deflector non-return valve core 301 has non-return sealing surface 302, non-return sealing surface 302 can be the frustum face or the spherical crown surface that coordinate with valve seat 107 that arranges on deflector non-return valve core surface, frustum face or spherical crown surface can protrude from deflector non-return valve core 301, also can not protrude from deflector non-return valve core 301.Non-return sealing surface 302 can be hard sealing (non-return sealing surface 302 is all hard materials with valve seat 107 fitted seal surface of contact) with valve seat 107 fitted seal; Can be soft seal (non-return sealing surface 302 is hard material with one of valve seat 107 fitted seal surface of contact, and another is flexible material); Or soft or hard double-sealing (non-return sealing surface 302 and valve seat 107 fitted seal surface of contact had not only comprised two hard materials sealings but also comprised the sealing of hard material and flexible material).
In the present embodiment, the shape of deflector non-return valve core 301 is by the tangent solid of rotation shape that forms of a plurality of arc sections, as sub warhead.
Deflector non-return valve core 301 rear ends are connected with support 303.Support 303 is provided with balanced body 304.
The present embodiment non-return driving structure comprises the sleeve 401 that arranges on rear valve body, and sleeve 401 is whole parts with rear valve body.Adjustment barrel 402 is located in sleeve 401, on guide rod 403 in sheathed adjustment barrel 402, guide rod 403 ends are located at slide bar 404, are coaxial Step Shaft structure between guide rod 403 and slide bar 404, slide block 304 is set on slide bar 404, and the step of guide rod 403 end faces is realized spacing to slide block 304.Sheathed check spring 405 on guide rod 403.Check spring 405 two ends contact with slide block 304 with adjustment barrel 402 respectively.Adjustment barrel 402 other ends with contact with regulating gland 406, regulate gland 406 the inners and be provided with and regulate cushion block 407, regulate cushion block 407 and adjustment barrel 402 end contacts.Regulate gland 406 and be connected with rear valve body, with sleeve 401 sealings.The variation of regulating the length of cushion block 407 realizes the adjusting of check spring 405 pretightening forces.Regulating cushion block 407 can be overall structures with regulating gland 406, can be also that two splits connect.
Form water conservancy diversion runner 108 between deflector non-return valve core guide face and valve body inner walls, the shape of the valve body inner walls at water conservancy diversion runner place is corresponding with the shape of deflector non-return valve core, is a part of ellipsoidal shape; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.The vertical area of water conservancy diversion runner 108 is identical with the vertical area of front valve shell 101.
Embodiment 2
As shown in Figure 3, offer the mounting hole 501 of valve body inner structure on valve body, be connected sealing with valve gap 502 on mounting hole; Form the water conservancy diversion runner between the guide face of described deflector non-return valve core and valve body inner walls, valve gap inwall.The shape that the valve body inner walls at described water conservancy diversion runner place, valve gap inwall consist of is corresponding with the shape of deflector non-return valve core, is the ellipsoidal shape of a part; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.Structure in valve body is identical with the structure in embodiment 1, not this tired stating.
Heavy caliber squelch type quick-closure check valve working principle is as follows:
When pipeline normally moves, system flow rate is normal flow, liquid acts on the thrust of deflector non-return valve core greater than the spring deboost to flow direction, this moment, the deflector non-return valve core was directed to axle stop, be positioned at the position of the middle flow resistance minimum of valve body, this moment, the valve resistance was little, and system's damage by water is very little;
When termination of pumping or pass valve (cutting off the water), system flow rate reduces, liquid acts on the thrust of deflector non-return valve core less than the spring deboost to flow direction, the deflector non-return valve core begins to close under spring-force driven dual, because valve flowing channel is ring runner, and valve closing stroke little (less than 1/4 valve aperture), valve closing speed fast (also can regulate the valve speed of closing by Regulation spring), when velocity of medium is zero, valve closing, be zero this moment on the pipeline water hammer theory.Thereby effectively eliminate water hammer.
Claims (11)
1. heavy caliber squelch type quick-closure check valve, it comprises that two ends offer the valve body of MEDIA FLOW siphunculus, is provided with valve seat in valve body, it is characterized in that it also comprises:
Establish in valve body:
The deflector non-return valve core: the deflector non-return valve core has the non-return sealing surface, contact sealing between non-return sealing surface and valve seat, described deflector non-return valve core is arranged in face of the media flow direction in the cavity of valve body housing formation, forms the water conservancy diversion runner between the guide face of described deflector non-return valve core and valve body inner walls;
Support moving structure: described deflector non-return valve core is supported on and supports on moving structure;
Slide block: be connected with described deflector non-return valve core;
Slide bar: be connected with described slide block;
The non-return driving structure: an end of non-return driving structure contacts with slide block, and the driving slide block is done non-return and moved.
2. heavy caliber squelch type quick-closure check valve as claimed in claim 1, is characterized in that described valve body comprises front valve shell and rear valve body, connects sealing between front valve shell and rear valve body.
3. heavy caliber squelch type quick-closure check valve as claimed in claim 1 is characterized in that offering on described valve body the mounting hole of valve body inner structure being connected sealing on mounting hole with valve gap; Form the water conservancy diversion runner between the guide face of described deflector non-return valve core and valve body inner walls, valve gap inwall.
4. as heavy caliber squelch type quick-closure check valve as described in claim 1 or 3, the shape that it is characterized in that described deflector non-return valve core is the ellipsoidal shape of a part; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.
5. heavy caliber squelch type quick-closure check valve as claimed in claim 1, it is characterized in that described support moving structure comprises the supporting track that is fixed in valve body, be arranged at the moving member on supporting track, the connection that described moving member is connected with described deflector non-return valve core.
6. heavy caliber squelch type quick-closure check valve as claimed in claim 1, is characterized in that described non-return driving structure comprises sleeve, is provided with guide rod in sleeve, is provided with check spring between guide rod and slide block.
7. heavy caliber squelch type quick-closure check valve as claimed in claim 6 is characterized in that guide rod and slide bar are coaxial to be set to whole rod member that slide block set is located on slide bar, and the guide rod end is established the check spring pretightening force and adjusted structure.
8. heavy caliber squelch type quick-closure check valve as claimed in claim 7 is characterized in that the check spring pretightening force adjusts structure and comprise adjustment barrel sheathed on guide rod, adjustment barrel one end and check spring end contact, and the other end of adjustment barrel contacts with the adjusting gland.
9. heavy caliber squelch type quick-closure check valve as claimed in claim 6, is characterized in that described sleeve is arranged on valve body and/or valve gap, forms overall structure with valve body and/or valve gap.
10. heavy caliber squelch type quick-closure check valve as claimed in claim 1 is characterized in that the shape of valve body inner walls at described water conservancy diversion runner place is corresponding with the shape of deflector non-return valve core, is the ellipsoidal shape of a part; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.
11. heavy caliber squelch type quick-closure check valve as claimed in claim 1 is characterized in that the valve body inner walls at described water conservancy diversion runner place, shape that the valve gap inwall consists of are corresponding with the shape of deflector non-return valve core, is a part of ellipsoidal shape; Or by the tangent solid of rotation shape that forms of a plurality of arc sections; Or by the tangent solid of rotation that forms of a plurality of arc sections, the shape of the end of solid of rotation and cylindrical body or the tangent formation of Rotary-table; Or ball-crown body shape; Or by ball-crown body and cylindrical body or the tangent shape that consists of of Rotary-table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310037314.4A CN103133728B (en) | 2013-01-31 | 2013-01-31 | Large-diameter mute quickly-closed check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310037314.4A CN103133728B (en) | 2013-01-31 | 2013-01-31 | Large-diameter mute quickly-closed check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103133728A true CN103133728A (en) | 2013-06-05 |
| CN103133728B CN103133728B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310037314.4A Active CN103133728B (en) | 2013-01-31 | 2013-01-31 | Large-diameter mute quickly-closed check valve |
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| Country | Link |
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| CN (1) | CN103133728B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531177A (en) * | 2021-09-13 | 2021-10-22 | 南通众扬管业科技有限公司 | Valve structure without valve rod and resisting water hammer effect |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5399528A (en) * | 1977-02-11 | 1978-08-31 | Rickenbach Hugo | Explosion and reverse fire protecting valve |
| EP0172364A1 (en) * | 1984-07-09 | 1986-02-26 | Hugo Rickenbach | Explosion safeguard valve |
| CN201326788Y (en) * | 2008-12-26 | 2009-10-14 | 大众阀门集团有限公司 | Two-stage damping axial-flow type check valve with adjustable closing time |
| CN201621311U (en) * | 2010-03-25 | 2010-11-03 | 徐鹤 | Axial-flow sleeve adjusting control valve |
| CN203082280U (en) * | 2013-01-31 | 2013-07-24 | 武汉大禹阀门股份有限公司 | Heavy-caliber mute quick closing check valve |
-
2013
- 2013-01-31 CN CN201310037314.4A patent/CN103133728B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5399528A (en) * | 1977-02-11 | 1978-08-31 | Rickenbach Hugo | Explosion and reverse fire protecting valve |
| EP0172364A1 (en) * | 1984-07-09 | 1986-02-26 | Hugo Rickenbach | Explosion safeguard valve |
| CN201326788Y (en) * | 2008-12-26 | 2009-10-14 | 大众阀门集团有限公司 | Two-stage damping axial-flow type check valve with adjustable closing time |
| CN201621311U (en) * | 2010-03-25 | 2010-11-03 | 徐鹤 | Axial-flow sleeve adjusting control valve |
| CN203082280U (en) * | 2013-01-31 | 2013-07-24 | 武汉大禹阀门股份有限公司 | Heavy-caliber mute quick closing check valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531177A (en) * | 2021-09-13 | 2021-10-22 | 南通众扬管业科技有限公司 | Valve structure without valve rod and resisting water hammer effect |
| CN113531177B (en) * | 2021-09-13 | 2021-11-19 | 南通众扬管业科技有限公司 | Valve structure without valve rod and resisting water hammer effect |
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| Publication number | Publication date |
|---|---|
| CN103133728B (en) | 2015-04-29 |
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Denomination of invention: Large caliber silent quick closing check valve Effective date of registration: 20230420 Granted publication date: 20150429 Pledgee: Bank of China Limited Wuhan Economic and Technological Development Zone sub branch Pledgor: WUHAN DAYU VALVE Co.,Ltd. Registration number: Y2023420000169 |
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