CN201246479Y - Straight through type three-valve sheet non-seepage driving rod valve structure - Google Patents
Straight through type three-valve sheet non-seepage driving rod valve structure Download PDFInfo
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- CN201246479Y CN201246479Y CNU2008201317451U CN200820131745U CN201246479Y CN 201246479 Y CN201246479 Y CN 201246479Y CN U2008201317451 U CNU2008201317451 U CN U2008201317451U CN 200820131745 U CN200820131745 U CN 200820131745U CN 201246479 Y CN201246479 Y CN 201246479Y
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- driving rod
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Abstract
Disclosed is a straight-through type three-disc non-leakage valve structure with a driving rod, which belongs to the technical field of pipeline valves. The straight-through type three-disc non-leakage valve structure with a driving rod is adaptable to liquid or gas pipelines, and aims to resolve the technical problem of improving the three-way two-disc valve structure in the prior art into an straight-through type three-disc non-leakage valve structure with a driving rod. The technical scheme includes radially arranging a driving rod groove on the valve body, penetrating the groove with the driving rod which is later inserted into and fixedly connected to a driving rod hole on a movable disc in an inner cavity of the valve body, wherein the driving rod in action can drive the movable disc to rotate relatively to a static disc, and opening and closing function of the valve can be realized through facing or back-to-back states of eccentric holes on the movable and static discs, further arranging an auxiliary disc with a sealing ring on the other side of the movable disc, and arranging a threaded pressing ring at the outer end of the auxiliary disc. Compared with the prior art, the utility model has the advantages of safety, reliability, long service life, saving raw materials, simple appearance and the like.
Description
Technical field: the technological scheme that the utility model will be protected is the technical field that belongs to the pipeline valve aspect, is applicable in liquid or the gas pipeline and uses as valve.
Background technique: in existing valve technology, valve block formula valve is existing to be used.Wherein with the utility model comparatively approaching be: three links formula two valve block prestressed structure valves.As the ceramic pad type water tap, its sealing is divided into primary seal and the auxiliary motive sealing of driving mechanism in the valve.On primary seal, because potteries etc. are desirable smooth and the use of high-abrasive material valve block, make its closed performance improve greatly than traditional pressure pad formula valve, be multiplied working life, its basic principle is: when the valve block (ceramics) of smooth abrasion-proof is subjected to certain pressure each other and is suitably compressed (but can rotate relatively), formed vacuum between its smooth contact surface, so can keep in touch the good seal performance between face.People utilize this know-why just, valve block is designed to have the fixed valve plate and the moving valve plate of prestressing force (pressure), and be provided with the eccentric opening that corresponds to each other thereon and (be generally two, be positioned at diametric(al) and be the center symmetry) with the center of circle, the through and off of the eccentric opening on moving by the relative fixed valve plate of moving valve plate being rotated control again, the fixed valve plate, thus realized the switch of valve (water tap); But in the auxiliary motive sealing of driving mechanism, still the same with traditional pressure pad formula valve (except the ball valve), because the have press liquid or the gas inner direct and in the pipeline of driving mechanism contact, so must and utilize the motive sealing of O RunddichtringO to realize the sealing of drive link by the another one opening end, so the outward appearance of this class valve all be the three links formula.Because valve needs frequent open and close, cause the O RunddichtringO in the auxiliary motive sealing of driving mechanism to be easy to wearing and tearing, cause seepage, particularly for the valve block formula valve that improves greatly for primary seal performance and life-span, because (durability) utmost point in working life of primary seal and auxiliary motive sealing does not match, thereby had a greatly reduced quality the working life of entire product, not only cause the unreasonable waste of useful resources, and because driving mechanism will be installed in the other end of valve except that entrance point and outlet end, so also do not cause complex structure, the outward appearance of valve attractive in appearance etc.
The utility model provides a kind of straight-through type three valve block ne-leakage drive link valve mechanisms at the prior art above shortcomings.
Summary of the invention: the technical problems to be solved in the utility model is: three links formula valve structure valve of the prior art is improved to a kind of straight-through type three valve block ne-leakage drive link structure valves.
The technical scheme in the invention for solving the above technical problem is: valve is made of jointly valve body, drive link, O-ring seal, sealed rubber ring, screw thread hold-down ring, fixed valve plate, moving valve plate, auxiliary valve block etc. on the whole.Valve body is a straight line type, in fixed valve plate, moving valve plate and auxiliary valve block and screw thread hold-down ring, O-ring seal, sealed rubber ring etc. are housed; Be provided with pipe thread at the valve body two ends to realize being connected with pipeline, the one end is that import, the other end are outlet; Be provided with tabula at the valve body inner chamber one near inlet, the tabula center is provided with a polygonal aperture, and several through holes evenly distribute around this hole; Be provided with a sealed rubber ring that elasticity is good between tabula and fixed valve plate, sealing glue ring plays sealing and valve structure is applied prestressed double action when compacted; Fixed valve plate is provided with two and the corresponding eccentric opening of moving valve plate, fixed valve plate is common (imperfect smooth) face towards the one side of tabula, there is a polygonal columnar projections at its center, and this projection matches with polygonal aperture on the tabula, plays the effect of restriction fixed valve plate rotation; The other end of fixed valve plate is the desired light sliding surface, and the moving valve plate that is the desired light sliding surface with the two sides contacts; Moving valve plate is not for there being the disk of spacing (rotatable), its circumference (radially) be provided with one with two drive link holes that eccentric opening is obstructed; The other end of moving valve plate contacts with auxiliary valve block, and the surface of contact of this auxiliary valve block and moving valve plate is the desired light sliding surface, has only a bigger central through bore that can just hold two eccentric openings on moving, the fixed valve plate on it; The other end of auxiliary valve block is provided with a boss, on this boss, be provided with O-ring seal, also be provided with the ring-type platform that matches with this boss in the relevant position of valve body inner chamber, close outlet end at this ring-type platform is provided with one section screw thread, this screw thread and the threads engaged that places on the screw thread hold-down ring of outlet end; When the sealed rubber ring that elasticity is good, fixed valve plate, moving valve plate, auxiliary valve block, successively put into the valve body inner chamber from the outlet end of valve body after (keep on fixed valve plate and the moving valve plate eccentric opening over against), again the screw thread hold-down ring is put into valve body and by the driving hole on the threaded pressure ring threaded pressure ring suitably screwed from outlet end, at this moment, the good sealed rubber ring of elasticity is suitably compressed, is positioned at the fixed valve plate that seal ring is also compacted, the face of being in contact with one another is the desired light sliding surface, the moving valve plate on the auxiliary valve block boss and assists valve block also all suitably to be compressed.So the circumference of fixed valve plate, moving valve plate, auxiliary valve block outer with between the valve body inner chamber by elasticity good sealed rubber ring and the seal ring on the auxiliary valve block boss realize static seal, promptly with fixed valve plate, moving valve plate on eccentric opening to reach the center hole of assisting on the valve block obstructed; The position, drive link hole of moving valve plate on the valve body along one quarter turn of circumference setting (about) the drive link groove, drive link is inserted the drive link groove of moving valve plate and firmly connects (bonding or be threaded) from valve body outer drive link groove, at this moment, liquid or the gas in drive link and the pipeline is realized reliable static seal and is realized reliable motive sealing by the desired light sliding surface between moving valve plate and fixed valve plate and auxiliary valve block by O-ring seal and sealed rubber ring.Like this, when the drive link groove of drive link on valve body being rotated to an angle (90 degree), over against fixed valve plate and the eccentric opening on the moving valve plate then obstructed (opposing) is about to valve closing originally.Thereby realized goal of the invention of the present utility model.
Compared with prior art, the beneficial effects of the utility model are: the auxiliary motive sealing rapid wear problem that has fundamentally solved existing tappet gear, thereby the common transmission rod end seepage phenomenon of valve (water tap) is eradicated, improved the working life of product greatly; Make product design simply lucid and lively simultaneously, reduced materials consumption, provided cost savings.
Description of drawings: accompanying drawing 1 is the overall structure sectional view, the flow direction of its upward arrow indicating liquid or gas.
Accompanying drawing 2 is the valve body sectional view.
Accompanying drawing 3 is the valve body right side view.
Accompanying drawing 4 is the fixed valve plate schematic representation.
Accompanying drawing 5 is the moving valve plate schematic representation.
Accompanying drawing 6 is auxiliary valve block schematic representation.
Accompanying drawing 7 is a screw thread hold-down ring schematic representation.
Mark among the figure is as follows:
A, the import of valve body, B, the outlet of valve body, 1, valve body, 2, fixed valve plate, 3, moving valve plate, 4, auxiliary valve block, 5, sealed rubber ring, 6, the screw thread hold-down ring, 7, O-ring seal, 8, drive link, 9, driving hole on the screw thread hold-down ring, 10, polygonal columnar protrusions on the fixed valve plate, 11, drive link groove 12 on the valve body, drive link hole on the moving valve plate, 13, the pipe thread of entrance point, 14, the pipe thread of outlet end, 15, through hole in the valve body on the tabula, 16, two eccentric openings on the fixed valve plate, 17, ring-type platform on the valve body inner chamber, 18, hold-down ring screw thread on the valve body inner chamber, 19, tabula in the valve body inner chamber, 20, polygonal aperture on the tabula.
Embodiment: further specify as follows to preferred embodiment of the present utility model below in conjunction with accompanying drawing:
Shown in accompanying drawing 1 and accompanying drawing 3, ducted liquid or gas are that import (A) end from valve enters valve body and enters two eccentric openings (16) on the fixed valve plate through the through hole (15) on the tabula (19), again by two eccentric openings on the moving valve plate (3) enter on the auxiliary valve block (4) central through bore and from the outflow of outlet (B) end.Its concrete structure annexation is as described below: the two ends of valve body (1) are provided with pipe thread (13) and (14), to realize being connected with pipeline; In the inner chamber of valve body (1), be provided with hold-down ring screw thread (18), ring-type platform (17), tabula (19), on tabula (19), also be provided with four through holes (15) and polygonal aperture (20); In the inner chamber of the left hand valve door main body (1) of tabula (19), put into successively: sealed rubber ring (5) from outlet (B) end, fixed valve plate (2), and a end that has the strong projection of polygonal post (10) on the fixed valve plate (2) is inserted in the polygonal aperture (20) on the tabula (19), then keep two eccentric openings on the moving valve plate (3) and two eccentric openings (16) on the fixed valve plate (2) each other over against prerequisite under moving valve plate (3) is inserted, to assist the desired light sliding surface of valve block (4) to insert again towards moving valve plate, and then, screw thread hold-down ring (6) is screwed along the hold-down ring screw thread (18) in valve body (1) inner chamber with in the driving hole (9) on the special spanner insertion screw thread hold-down ring (6); Again drive link (8) is inserted along the drive link groove (11) on the valve body (1) at last in the drive link hole (12) of the moving valve plate (3) in the valve body inner chamber and firmly connect.
Action relationships of the present utility model is as described below: valve normal mounting that will be as shown in Figure 1 is in the pipeline of logical liquid or gas the time, drive link (8) is positioned at the position of drive link groove (11) " opening " on the valve when supposing owing to initial the installation, promptly lay respectively on moving, the fixed valve plate two eccentric openings each other over against, so valve of the present utility model has been realized the function of " opening "; When drive link (8) is pulled position to " pass " along drive link groove (11), promptly lay respectively on moving, the fixed valve plate two eccentric openings from over against gradually to just carrying on the back, so valve of the present utility model has been realized from " opening " to " pass " (and's control flow rate) on demand function.What need further specify especially is: because drive link (8) does not in fact communicate with medium in the pipeline, so, the unreliable motive sealing of the driving mechanism of existing conventional construction valve is converted into reliable motive sealing and sealed rubber ring (5) and the reliable static seal of O-ring seal (7) to valve structure between valve block and valve block, therefore greatly improved the safety reliability of valve, so in its valve block time limit in working life, can guarantee transmission rod end ne-leakage fully, meanwhile the utility model further will have traditional three links formula valve now and be improved to straight-through type, realize goal of the invention of the present utility model.
Claims (6)
1. straight-through type three valve block ne-leakage drive link valve mechanisms, it is characterized in that: see on the whole, valve body is type linearly, is connected in turn and is placed the valve body inner chamber by sealed rubber ring, fixed valve plate, moving valve plate, auxiliary valve block, the screw thread hold-down ring that has an O-ring seal; From the drive link groove of valve body, insert in the drive link hole on the moving valve plate in the valve body inner chamber by drive link again and firmly connect.
2. a kind of straight-through type three valve block ne-leakage drive link valve mechanisms according to claim 1 is characterized in that: be provided with drive link groove (11) on the excircle of valve body (1).
3. a kind of straight-through type three valve block ne-leakage drive link valve mechanisms according to claim 1 is characterized in that: the two ends of moving valve plate (3) are the desired light sliding surface and contact with the desired light sliding surface of fixed valve plate (2), auxiliary valve block (4).
4. a kind of straight-through type three valve block ne-leakage drive link valve mechanisms according to claim 1, it is characterized in that: the footpath of moving valve plate (3) upwards is provided with drive link hole (12).
5. a kind of straight-through type three valve block ne-leakage drive link valve mechanisms according to claim 1 is characterized in that: drive link (8) passes drive link groove (11) on the valve body (1) and is connected in the drive link hole (12) on the moving valve plate (3).
6. a kind of straight-through type three valve block ne-leakage drive link valve mechanisms according to claim 1 is characterized in that: the boss of auxiliary valve block (4) is provided with between the tabula (19) of O-ring seal (7) and fixed valve plate (2) and valve body (1) and is provided with sealed rubber ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201317451U CN201246479Y (en) | 2008-08-29 | 2008-08-29 | Straight through type three-valve sheet non-seepage driving rod valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201317451U CN201246479Y (en) | 2008-08-29 | 2008-08-29 | Straight through type three-valve sheet non-seepage driving rod valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246479Y true CN201246479Y (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201317451U Expired - Fee Related CN201246479Y (en) | 2008-08-29 | 2008-08-29 | Straight through type three-valve sheet non-seepage driving rod valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246479Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504211A (en) * | 2017-10-13 | 2017-12-22 | 开平市东艺卫浴有限公司 | A kind of built-in tap for rotating water flowing out structure |
| CN107606207A (en) * | 2017-10-13 | 2018-01-19 | 开平市东艺卫浴有限公司 | A kind of built-in steering-type tap for rotating water flowing out structure |
-
2008
- 2008-08-29 CN CNU2008201317451U patent/CN201246479Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504211A (en) * | 2017-10-13 | 2017-12-22 | 开平市东艺卫浴有限公司 | A kind of built-in tap for rotating water flowing out structure |
| CN107606207A (en) * | 2017-10-13 | 2018-01-19 | 开平市东艺卫浴有限公司 | A kind of built-in steering-type tap for rotating water flowing out structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20100829 |