CN102454815B - Symmetrical balance type sliding valve - Google Patents
Symmetrical balance type sliding valve Download PDFInfo
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- CN102454815B CN102454815B CN 201010528150 CN201010528150A CN102454815B CN 102454815 B CN102454815 B CN 102454815B CN 201010528150 CN201010528150 CN 201010528150 CN 201010528150 A CN201010528150 A CN 201010528150A CN 102454815 B CN102454815 B CN 102454815B
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- symmetrical balance
- type sliding
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Abstract
The invention relates to the field of material conveying control valves, in particular to a symmetrical balance type sliding valve. The sliding valve comprises a valve body assembly, a lining, guide plates and a sliding plate, wherein the lining is arranged in a horizontal direction of the valve body assembly, the guide plates and the sliding plate are arranged in a vertical direction of the valve body assembly, the two guide plates are used for clamping the sliding plate, through holes on the guide plates and the sliding plate and the lining jointly form a material runner, the sliding plate moves up and down to realize the closing and opening of the material runner, with the arrangement of various sealing structures in the sliding valve, the valve body assembly can has good sealing performance, and wear resistance of a sealing face is improved. The symmetrical balance type sliding valve is simple in structure and short in runner, has small volume and light weight, is convenient to assemble and maintain, is comprehensively symmetric and has favorable interchangeability; a spring at an entrance end of the sliding valve applies pressing force to the sliding plate at the middle through the guide plates, and a runner cannot be formed between sealing faces at one end with high pressure under the condition of pressure difference during shut off; meanwhile, the lining, the sliding plate and the guide plates are made of special materials, and the wear resistance and corrosion resistance are improved.
Description
Technical field
The invention belongs to mass transport control valve field, be specifically related to a kind of symmetrical balance type sliding valve.
Background technique
Common slide valve more and more can not adapt to the needs of the bad working environments such as high wearing and tearing, deep-etching due to the restriction that is subjected to the traditional material self-condition.Be mainly reflected in working life short, leak serious etc., greatly affected the stability of system's operation, therefore need a kind ofly under height wearing and tearing, strong corrosive environment, be widely used in supplying water, the special construction valve of the industrial fields such as electric power, oil, chemical industry, metallurgy, mining, sewage treatment and the guiding valve of special material.
Summary of the invention
The object of the present invention is to provide a kind of symmetrical balance type sliding valve, obtain the high-performance MC Material Control under the bad working environments conditions such as it can wear and tear at height, deep-etching.
technological scheme of the present invention is as follows: a kind of symmetrical balance type sliding valve, comprise flange bracket and bottom, flange bracket and bottom are arranged on respectively on the valve gap of two ends, symmetrical balance type sliding valve up and down symmetry, this symmetrical balance type sliding valve also comprises valve component, this valve component is provided with two orthogonal passages on left and right directions and above-below direction, in the passage of left and right directions, " O " type baffle circle by two symmetries in left and right snugly fits into cylinder cartridge type lining in the passage of left and right directions, the interior profile of lining is conical surface, and have through hole at valve component Vertical direction channel part, have the circular slide plate of eccentric through-hole, circular guide plate by two center drillings clamps, coupling is passed the through hole of lining Vertical direction together, be arranged in the valve component vertical passage, valve rod and guide rod are fixedly connected with slide plate by the slide plate frame at two ends, up and down, symmetry is equipped with the axle sleeve gland successively at the two ends up and down of valve component, axle sleeve and valve gap, wherein, the axle sleeve gland, axle sleeve and valve gap center drilling, and be complementary with valve rod and guide rod, the axle sleeve gland is tightly connected by seal ring A and valve component, the dust-separation seal ring is installed between valve gap and axle sleeve, the passage of valve component Vertical direction can be hedged off from the outer world.
Described valve component comprises main valve body and auxiliary valve body, and wherein, auxiliary valve body is cover-shaped structure, and is complementary by seal ring B and main valve body and fastens sealing, and forms a cylindrical structure.
Described two guide plates and contacted two ends, valve component left and right all be separately installed with in concentric " O " type sealing every trim ring and external sealed every trim ring, wherein, interior sealing is less every the trim ring diameter, near lining, be in lining, guide plate and valve component contacted place, with lining and guide plate tight seal, external sealed is in same vertical surface every trim ring and interior sealing every trim ring, and with guide plate and valve component sealing.
On described valve component and the contacted interior sealing of guide plate be provided with laterally zygomorphic groove every trim ring and external sealed between trim ring, be equipped with in groove the storage elastic potential energy spring.
Hole shape on described slide plate can be set to circle, and is perhaps imitative fan-shaped, perhaps key-way shape.
Described slide plate frame is to be fixedly connected with valve rod and guide rod by worm structure.
Remarkable result of the present invention is: symmetrical balance type sliding valve of the present invention is simple in structure, runner is short, volume is little, lightweight, assembles easy to maintenance; Integral body is mainly symplex structure, and good interchangeability is just arranged; The spring of symmetrical balance type sliding valve entrance point applies impacting force by guide plate to the slide plate of centre, even there is larger pressure reduction when turn-offing, also can not form runner between the high end sealing surface of pressure; Simultaneously, lining, slide plate and guide plate adopt special material, have improved wear-resistant, corrosion resistant performance.
Description of drawings
Fig. 1 is symmetrical balance type sliding valve structural representation of the present invention;
In figure: 1, valve rod; 2, flange bracket; 3, valve gap; 4, dust-separation seal ring; 5, axle sleeve; 6, axle sleeve gland; 7, seal ring A; 8, auxiliary valve body; 9, baffle circle; 10, interior sealing is every trim ring; 11, spring; 12, external sealed is every trim ring; 13, seal ring B; 14, guide rod; 15, bottom; 16, lining; 17, slide plate; 18, guide plate; 19, slide plate frame; 20, main valve body.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
as shown in Figure 1, symmetrical balance type sliding valve comprises main valve body 20 and auxiliary valve body 8, and wherein, auxiliary valve body 8 is cover-shaped structure, and is complementary by seal ring B13 and main valve body 20 and fastens sealing, jointly forms the valve component of cylindrical structure, valve component forms two orthogonal passages on left and right directions and above-below direction, in the passage of left and right directions, " O " type baffle circle 9 by two symmetries in left and right snugly fits into cylinder cartridge type lining 16 in the passage of left and right directions, the interior profile of lining 16 is conical surface, and have through hole at valve component Vertical direction channel part, slide plate 17 is for having the circular plate of eccentric through-hole, and clamp by the circular guide plate 18 of two center drillings, coupling is passed the through hole of lining 16 Vertical direction together, be arranged in the valve component vertical passage, wherein, the eccentric through-hole of slide plate 17 is circular, perhaps for imitative fan-shaped, it is perhaps key-way shape, all be separately installed with at two guide plates 18 and contacted two ends, valve component left and right in concentric " O " type sealing every trim ring 10 and external sealed every trim ring 12, wherein, interior sealing is less every trim ring 10 diameters, near lining 16, be in lining 16, guide plate 18 and the contacted place of valve component, make lining 16 and guide plate 18 tight seals, external sealed is in same vertical surface every trim ring 12 and interior sealing every trim ring 10, and realize the sealing of guide plate 18 outer ends and valve component, on auxiliary valve body 8 and the contacted interior sealing of guide plate 18 have laterally zygomorphic groove every trim ring 10 and external sealed between trim ring 12, be equipped with in groove the storage elastic potential energy spring 11, valve rod 1 and guide rod 14 respectively be fixedly mounted on slide plate Shang Xia 17 the slide plate frame 19 at two ends be fixedly connected with by screw thread, symmetry is equipped with axle sleeve gland 6, axle sleeve 5 and valve gap 3 successively at the two ends up and down of valve component, wherein, axle sleeve gland 6, axle sleeve 5 and valve gap 3 center drillings, and be complementary with valve rod 1 and guide rod 15, axle sleeve gland 6 is tightly connected by seal ring A7 and valve component, between valve gap 3 and axle sleeve 5, dust-separation seal ring 4 is installed, the passage of valve component Vertical direction can be hedged off from the outer world, be installed with flange bracket 2 on the valve gap 3 of upper end, be installed with bottom 15 on the valve gap 3 of lower end, guide rod 14 is slided in bottom 15, guide rod 14 is led in vertical direction.
symmetrical balance type sliding valve integral body is take symplex structure as main, the interchangeability of parts is higher, lining 16, guide plate 18 and slide plate 17 adopt corrosion-resistant, high temperature resistant, the alloys such as anti abrasive engineering ceramic material and Inconel and Hastelloy are made, their common passages that forms, can make medium from lining 16 inside of spring 11 1 sides are arranged, flow to opposite side through two guide plates 18 and the inner passage that slide plate 17 clampings form, valve rod 1 is fixedly connected with slide plate 17 by slide plate frame 19 with guide rod 14, by pneumatic, electronic or manual operating device is controlled valve rod 1 and is moved up and down, hole shape on slide plate 17 is hidden by 18 clampings of two guide plates, and then realize the break-make of symmetrical balance valve, the machining accuracy of slide plate 17 and two guide plates 18 is higher, can be in sealing in the spring 11 of pretension and symmetrical two every trim ring 10, two external sealeds keep close contact always under the effect of trim ring 12, can also be in the situation that slide plate 17 and guide plate 18 wearing and tearing, spring 11 by pretension provides wear compensation, the spring 11 of symmetrical balance valve entrance point applies impacting force by guide plate 18 to the slide plate 17 of centre, even there is larger pressure reduction when turn-offing, can not form runner between the high end sealing surface of pressure yet, the wearing and tearing between sealing surface have been reduced, can more effective Shuttoff Valve.Slide plate 17 and two guide plate 18 close contacts; therefore can accumulation medium between slide plate 17 and guide plate 18; medium and slide plate 17 and two guide plates 18 are without direct friction; its sealing surface is not easy to wear; move up at slide plate 17; when making the symmetrical balance valve be in full-gear, its sealing surface can get up by Hide All, reaches the protective action to sealing surface.Slide plate 17 can be arranged to linearity, equal percentage or other characteristics with the symmetrical balance valve by changing hole shape.
Claims (6)
1. symmetrical balance type sliding valve, comprise flange bracket (2) and bottom (15), flange bracket (2) is arranged on respectively on the valve gap (3) of two ends, symmetrical balance type sliding valve up and down symmetry with bottom (15), it is characterized in that: this symmetrical balance type sliding valve also comprises valve component, this valve component is provided with two orthogonal passages on left and right directions and above-below direction, in the passage of left and right directions, " O " type baffle circle (9) by two symmetries in left and right snugly fits into cylinder cartridge type lining (16) in the passage of left and right directions, the interior profile of lining (16) is conical surface, and have through hole at valve component Vertical direction channel part, have the circular slide plate (17) of eccentric through-hole, circular guide plate (18) by two center drillings clamps, coupling is passed the through hole of lining (16) Vertical direction together, be arranged in the passage on the valve component above-below direction, valve rod (1) and guide rod (14) are fixedly connected with slide plate (17) by the slide plate frame (19) at two ends, up and down, symmetry is equipped with axle sleeve gland (6) successively at the two ends up and down of valve component, axle sleeve (5) and valve gap (3), wherein, axle sleeve gland (6), axle sleeve (5) and valve gap (3) center drilling, and be complementary with valve rod (1) and guide rod (14), axle sleeve gland (6) is by seal ring A(7) be tightly connected with valve component, between valve gap (3) and axle sleeve (5), dust-separation seal ring (4) is installed, passage on the valve component above-below direction can be hedged off from the outer world.
2. a kind of symmetrical balance type sliding valve according to claim 1, it is characterized in that: described valve component comprises main valve body (20) and auxiliary valve body (8), wherein, auxiliary valve body (8) is cover-shaped structure, and by seal ring B(13) being complementary with main valve body (20) fastens sealing, and form a cylindrical structure.
3. a kind of symmetrical balance type sliding valve according to claim 1, it is characterized in that: described two guide plates (18) and contacted two ends, valve component left and right all be separately installed with in concentric " O " type sealing every trim ring (10) with external sealed every trim ring (12), wherein, interior sealing is less every trim ring (10) diameter, near lining (16), be in lining (16), guide plate (18) and the contacted place of valve component, with lining (16) and guide plate (18) tight seal, external sealed is in same vertical surface every trim ring (12) and interior sealing every trim ring (10), and with guide plate (18) and valve component sealing.
4. a kind of symmetrical balance type sliding valve according to claim 3, it is characterized in that: on described valve component and the contacted interior sealing of a guide plate (18) be provided with laterally zygomorphic groove every trim ring (10) and external sealed between trim ring (12), be equipped with in groove the storage elastic potential energy spring (11).
5. a kind of symmetrical balance type sliding valve according to claim 1, it is characterized in that: the hole shape on described slide plate (17) can be set to circle, and is perhaps imitative fan-shaped, perhaps key-way shape.
6. a kind of symmetrical balance type sliding valve according to claim 1, it is characterized in that: described slide plate frame (19) is to be fixedly connected with valve rod (1) and guide rod (15) by worm structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010528150 CN102454815B (en) | 2010-11-01 | 2010-11-01 | Symmetrical balance type sliding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010528150 CN102454815B (en) | 2010-11-01 | 2010-11-01 | Symmetrical balance type sliding valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102454815A CN102454815A (en) | 2012-05-16 |
| CN102454815B true CN102454815B (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010528150 Active CN102454815B (en) | 2010-11-01 | 2010-11-01 | Symmetrical balance type sliding valve |
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| CN (1) | CN102454815B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234061A (en) * | 2013-05-15 | 2013-08-07 | 湖州湖锻机电科技有限公司 | Pneumatic proportional valve with ceramic valve core |
| CN104295758B (en) * | 2014-07-25 | 2017-03-22 | 浙江春晖智能控制股份有限公司 | Plane ceramic valve for chemical oxygen demand analysis meter |
| US9410831B2 (en) * | 2014-09-23 | 2016-08-09 | Micro Motion, Inc. | Magnetic flowmeter flowtube assembly with spring-energized seal rings |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3768774A (en) * | 1971-06-16 | 1973-10-30 | Vetco Offshore Ind Inc | Gate valve with pressure actuated plug seat |
| DE2419748A1 (en) * | 1973-09-10 | 1975-07-24 | Vetco Offshore Ind Inc | LOCKING VALVE FOR FLUID |
| US4895181A (en) * | 1988-11-21 | 1990-01-23 | The Clarkson Company | Gate valve |
| CN201269319Y (en) * | 2008-10-21 | 2009-07-08 | 营口流体设备制造(集团)有限公司 | Dephosphorization gas-controlled injection valve |
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2010
- 2010-11-01 CN CN 201010528150 patent/CN102454815B/en active Active
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| CN102454815A (en) | 2012-05-16 |
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Address after: 100076 Beijing, Fengtai District, South Road, No. 1, Patentee after: Beijing Inst. of Aerospace Dynamics Patentee after: Beijing Aerospace Petrochemical Technology and Equipment Engineering Corporation Address before: 100076 Beijing, Fengtai District, South Road, No. 1, Patentee before: Beijing Inst. of Aerospace Dynamics Patentee before: Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp. |