CN210461770U - Full-bore eccentric half-ball valve - Google Patents
Full-bore eccentric half-ball valve Download PDFInfo
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- CN210461770U CN210461770U CN201921514247.XU CN201921514247U CN210461770U CN 210461770 U CN210461770 U CN 210461770U CN 201921514247 U CN201921514247 U CN 201921514247U CN 210461770 U CN210461770 U CN 210461770U
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- spheroid
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Abstract
The utility model relates to a full latus rectum eccentric half ball valve, including valve body, valve rod and be used for closing the valve or opening the ball valve of valve body, valve rod one end is connected with the spheroid, and the other end stretches out the valve body and is connected its characterized in that with the executive component outward: the ball body is an eccentric hemisphere; the valve body include left valve body and right valve body, can dismantle fixed connection between left valve body and the right valve body in seted up interior concave ring seat and from tight sealing member, it has the inner groovy to open on the interior concave ring seat, from tight sealing member including sliding block, elastic component and sealed face, sealed face locate the sliding block terminal surface, and with the outer terminal surface of spheroid contacts, elastic component one end is installed in the inner groovy, the other end with the sliding block is inconsistent. To sum up, this scheme simple structure, the design of the self sealss piece and the eccentric spheroid of addding has improved sealing performance and life greatly.
Description
Technical Field
The utility model relates to a ball valve, especially full latus rectum eccentric half ball valve.
Background
Ball valve, the open-close piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like.
The existing ball valves are various, but the sealing problem is always the problem to be handled in the valve industry, although a lot of improvements are provided for the sealing problem, the sealing problem is still not ideal, and the problems of poor sealing effect, inconvenient maintenance and short service life are still existed in the sealing.
To the above problem, the present invention provides a further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a full latus rectum eccentric half ball valve, it is sealed tight, the easy maintenance of being convenient for is clean and long service life, has solved the above-mentioned problem that exists in the use among the prior art.
The technical scheme of the utility model is realized like this:
eccentric hemisphere valve of full latus rectum, including valve body, valve rod and be used for closing the valve or open the ball valve of valve body, the spheroid, valve rod one end is connected with the spheroid, and the other end stretches out the valve body and is connected its characterized in that with the executive component outward: the sphere is provided with an upper installation body, a lower installation body and an annular body which are symmetrical, the installation bodies and the annular body are integrally formed, the wall thickness of the annular body is greater than that of the installation bodies, the thick walls are sequentially increased by taking the two installation bodies as starting points, and the installation bodies and the annular body form an eccentric hemisphere;
the valve body include left valve body and right valve body, can dismantle fixed connection between left valve body and the right valve body in seted up interior concave ring seat and from tight sealing member, it has the inner groovy to open on the interior concave ring seat, from tight sealing member including sliding block, elastic component and sealed face, sealed face locate the sliding block terminal surface, and with the outer terminal surface of spheroid contacts, elastic component one end is installed in the inner groovy, the other end with the sliding block is inconsistent, from tight sealing member tip do not surpass the terminal surface of passageway in the spheroid.
Preferably, the left valve body and the right valve body are fixedly connected through a flange plate, and the flange plate is installed on the right valve body.
Preferably, the protective sheath is installed to the right valve body, and the protective sheath is attached at right valve body passageway inner wall, and the protective sheath passes through threaded connection to be fixed at right valve body.
Preferably, the protective sleeve and the concave ring seat form a U-shaped groove for the movement of the sliding block.
Preferably, install first sealing washer between protective sheath and the sliding block.
Preferably, a second sealing ring is installed between the sliding block and the concave ring seat of the valve body.
Preferably, the valve body is provided with a gland and a packing assembly, and the packing assembly is arranged between the gland and the valve rod.
Preferably, the material assembly and the gland are provided with mounting holes, the mounting holes are provided with screw rods which are matched and connected with the mounting holes, and the screw rods are provided with buffering corrugated sections.
To sum up, the beneficial effects of the utility model reside in that:
1. ultra-good sealing: the sealing is tight, the valve core and the valve seat are sealed by spherical surface line contact, and zero leakage can be realized by three-dimensional eccentricity.
2. Maintenance is convenient: after the service life of the valve seat is reached, the valve seat can be adjusted or replaced, the valve can still be used continuously, and the defect that the whole valve is scrapped after the sealing of the valve fails is avoided.
3. The scraping self-cleaning can be realized, the sealing is prevented from being influenced by scaling, the structure of the sealing device adopts an eccentric wedging principle, the valve core spherical surface is gradual along the valve seat when the sealing device is opened, scaling obstacles are effectively removed, and reliable sealing is realized.
4. The sealing surface is not washed away, the service life is long, when the valve is fully opened or fully closed, the sealing surfaces of the ball body and the valve seat are isolated from the medium, and when the medium passes through, the corrosion of the sealing surface of the valve can not be caused.
5. The middle cavity has no scaling dead zone, frequent pollution discharge is not needed, the middle cavity of the valve body has no dead zone causing medium deposition and agglomeration according to the eccentric ball body, the defects of easy scabbing, easy blockage, easy leakage, short service life and the like of a gate valve, a ball valve, a stop valve and the like are overcome,
to sum up, this scheme simple structure, the design of the self sealss piece and the eccentric spheroid of addding has improved sealing performance and life greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural diagram of a sphere.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 3 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1 to 3, the utility model discloses a full-bore eccentric hemisphere valve, including valve body, valve rod 5 and the ball valve 3 that is used for closing the valve or opening the valve body, valve rod 5 one end is connected with spheroid 3, and main key-type connection, the other end stretches out outside the valve body and is connected with the executive component, and the executive component can be a hand wheel or pneumatic executive component, spheroid 3 has two upper and lower installation bodies 15, 15a and ring body 16 of symmetry, and the installation body and ring body processing integrated into one piece, and the wall thickness of ring body is greater than the wall thickness of installation body, and the thick wall increases in proper order with two installation bodies as the starting point, and installation body and ring body constitute eccentric hemisphere;
the valve body include left valve body 1 and right valve body 2, can dismantle fixed connection between left valve body 1 and the right valve body 2, left valve body and right valve body pass through ring flange fixed connection, the ring flange is installed on right valve body, this scheme adopts integrated into one piece to realize connecting through screw rod 21.
The right valve body 2 is internally provided with an inner concave ring seat and a self-tightening sealing element 7, the inner concave ring seat is provided with an inner groove 75, the self-tightening sealing element 7 comprises a sliding block 70, an elastic element 74 and a sealing surface 71, the sealing surface 71 is arranged on one end face of the sliding block 70 and is in contact with the outer end face of the sphere, the sealing surface is matched with the sphere, the leakage problem is prevented, the sealing performance is improved, one end of the elastic element 74 is arranged in the inner groove 75, the other end of the elastic element is abutted to the sliding block 70, the end part of the self-tightening sealing element does not exceed the end face of the inner channel of the sphere, and the elastic.
Ultra-good sealing: the sealing of the ball and the valve seat is spherical line contact, the sealing is tight, and zero leakage can be realized by three-dimensional eccentricity.
The left valve body and the right valve body are fixedly connected through a flange plate, so that the maintenance is convenient: the parts such as the valve seat (self-tightening sealing element) in the right valve body can be adjusted or replaced after the service life of the valve seat is up, the valve can still be continuously used, and the defect that the whole valve is scrapped after the sealing of the valve fails is avoided.
According to the scheme, the wall thickness of the annular body is larger than that of the mounting bodies, the thick walls are sequentially increased by taking the two mounting bodies as starting points, the mounting bodies and the annular body form an eccentric hemisphere, the spherical surface of the sphere is gradual along the direction A of the valve seat (self-tightening sealing element) when the valve is opened, scaling obstacles are effectively removed, and reliable sealing is achieved.
In order to improve the sealing performance, a first sealing ring 76 is arranged between the protective sleeve 6 and the sliding block. Preferably, a second sealing ring 72 is installed between the sliding block and the concave ring seat of the valve body, the installation positions of the first sealing ring 76 and the second sealing ring 72 are both on the slide block, and a groove is formed in the slide block, so that the processing and the installation are convenient.
In order to further improve the sealing performance of the valve rod, the valve body is provided with a gland 8 and a packing assembly, the packing assembly is arranged between the gland and the valve rod, and the packing assembly mainly comprises packing 9 and a packing gland 10. Wherein packing assembly and gland have all opened mounting hole 11, are equipped with the screw rod 12 of being connected with mounting hole 11 cooperatees on the mounting hole 11, the screw rod be equipped with buffering ripple section 13, use the realization that buffering ripple section 13 can be better sealed, also give certain shock-absorbing capacity when starting the valve rod, reduce wearing and tearing.
The utility model that should point out simultaneously indicates the terminology, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Eccentric hemisphere valve of full latus rectum, including valve body, valve rod and be used for closing the valve or open the ball valve of valve body, the spheroid, valve rod one end is connected with the spheroid, and the other end stretches out the valve body and is connected its characterized in that with the executive component outward: the sphere is provided with an upper installation body, a lower installation body and an annular body which are symmetrical, the installation bodies and the annular body are integrally formed, the wall thickness of the annular body is greater than that of the installation bodies, the thick walls are sequentially increased by taking the two installation bodies as starting points, and the installation bodies and the annular body form an eccentric hemisphere;
the valve body include left valve body and right valve body, can dismantle fixed connection between left valve body and the right valve body in seted up interior concave ring seat and from tight sealing member, it has the inner groovy to open on the interior concave ring seat, from tight sealing member including sliding block, elastic component and sealed face, sealed face locate the sliding block terminal surface, and with the outer terminal surface of spheroid contacts, elastic component one end is installed in the inner groovy, the other end with the sliding block is inconsistent, from tight sealing member tip do not surpass the terminal surface of passageway in the spheroid.
2. The full bore eccentric half ball valve of claim 1, wherein: the left valve body and the right valve body are fixedly connected through a flange plate, and the flange plate is installed on the right valve body.
3. The full bore eccentric half ball valve according to claim 1 or 2, wherein: the protective sheath is installed to the right valve body, and the protective sheath is attached at right valve body passageway inner wall, and the protective sheath passes through threaded connection to be fixed at right valve body.
4. The full bore eccentric half ball valve of claim 3, wherein: the protective sleeve and the concave ring seat form a U-shaped groove for the movement of the sliding block.
5. The full bore eccentric half ball valve of claim 4, wherein: install first sealing washer between protective sheath and the sliding block.
6. The full bore eccentric half ball valve of claim 5, wherein: and a second sealing ring is arranged between the sliding block and the concave ring seat of the valve body.
7. The full bore eccentric half ball valve of claim 5, wherein: the valve body is provided with a gland and a packing component, and the packing component is arranged between the gland and the valve rod.
8. The full bore eccentric half ball valve of claim 7, wherein: the packing assembly and the gland are both provided with mounting holes, the mounting holes are provided with screw rods which are matched and connected with the mounting holes, and the screw rods are provided with buffering corrugated sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921514247.XU CN210461770U (en) | 2019-09-11 | 2019-09-11 | Full-bore eccentric half-ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921514247.XU CN210461770U (en) | 2019-09-11 | 2019-09-11 | Full-bore eccentric half-ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461770U true CN210461770U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921514247.XU Active CN210461770U (en) | 2019-09-11 | 2019-09-11 | Full-bore eccentric half-ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN210461770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469688A (en) * | 2019-09-11 | 2019-11-19 | 浙江联大阀门有限公司 | Full-diameter eccentric hemisphere valve |
-
2019
- 2019-09-11 CN CN201921514247.XU patent/CN210461770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469688A (en) * | 2019-09-11 | 2019-11-19 | 浙江联大阀门有限公司 | Full-diameter eccentric hemisphere valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Full bore eccentric hemisphere valve Effective date of registration: 20210114 Granted publication date: 20200505 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: ZHEJIANG LIANDA VALVE Co.,Ltd. Registration number: Y2021990000051 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220111 Granted publication date: 20200505 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: ZHEJIANG LIANDA VALVE Co.,Ltd. Registration number: Y2021990000051 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Full bore eccentric hemispherical valve Effective date of registration: 20220112 Granted publication date: 20200505 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: ZHEJIANG LIANDA VALVE Co.,Ltd. Registration number: Y2022110000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230116 Granted publication date: 20200505 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: ZHEJIANG LIANDA VALVE Co.,Ltd. Registration number: Y2022110000006 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |