CN216200649U - Telescopic vector sealing valve structure - Google Patents
Telescopic vector sealing valve structure Download PDFInfo
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- CN216200649U CN216200649U CN202122348340.1U CN202122348340U CN216200649U CN 216200649 U CN216200649 U CN 216200649U CN 202122348340 U CN202122348340 U CN 202122348340U CN 216200649 U CN216200649 U CN 216200649U
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Abstract
The utility model discloses a telescopic vector sealing valve structure, which comprises a valve body, a valve plate and a valve shaft, wherein the valve plate is rotatably connected to the valve body, one half of an inner cavity of the valve body in the axial direction is a hemispherical cavity, the other half of the inner cavity of the valve body is a cylindrical cavity, a vector sealing ring is embedded in the cylindrical cavity, the inner surface of the vector sealing ring and the hemispherical cavity of the valve body form a spherical section cavity, the radial outer side surface of the valve plate is consistent with the spherical section cavity, the inner end of the valve shaft is fixedly connected to the valve plate, the outer end of the valve body extends out of the valve body, the other outer end of the valve body, which is opposite to the vector sealing ring, is provided with a telescopic lantern ring in a stepped hole structure, the inner hole of the telescopic lantern ring is sleeved on the end part of the convex ring and is in compression joint with the sealing ring by adopting a sealing ring, and the sealing ring is positioned at the outer cylindrical surface of the convex ring and the inner cylindrical surface of the telescopic lantern ring. The position between the telescopic lantern ring and the valve body is adjustable, a telescopic structure is realized, the valve and the pipeline flange plate can be conveniently and accurately butted, and the existing equipment can be conveniently reconstructed.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a telescopic vector sealing valve structure.
Background
At present, valves used domestically and internationally are various, and most of the valves are valves with main structures and structures of butterfly valves, ball valves and gate valves. The valves of the kind are mostly heavy due to large volume; the installation size is longer; the sealing effect is poor; the requirements on opening and closing torque force and torque are high; the power required by opening and closing by using an electric or pneumatic actuator and other transmission modes is large; the service life is short, and the valve is inconsistent with the current facility specification standards of various valve wells, chambers and the like in the use environment, and a large-caliber valve is usually arranged in a small valve well or chamber (or a valve is arranged firstly and then the well or chamber is built, which is obviously inconsistent with the later installation, replacement, disassembly and assembly, maintenance, use and the like. In addition, if a certain local valve in a pipe network system needs to be replaced or maintained, the replacement operation can be realized only by opening and closing the main pipe control valve or the main valve. The operation of point disconnection and point repair (or replacement) cannot be realized, so that a large amount of resources such as manpower, material resources, media and the like are lost, and the disconnection or paralysis of a main pipe of a pipe network or other systems is caused.
Chinese patent application (application number is 2019112794029) discloses a vector is sealed also valve, this valve is including the valve body also, valve plate and valve shaft, the valve plate is connected to the valve body through the valve shaft with its fixed connection rotatably, half inner chamber of the axial of valve body sets up to the hemisphere chamber, half inner chamber is the cylinder chamber, the cylinder chamber embedding has the vector sealing washer, vector sealing washer internal surface constitutes spherical cross section chamber with valve body hemisphere chamber, the radial outside surface of valve plate is unanimous with spherical cross section chamber, this structure is when the butt joint to two pipelines, because of the butt joint department is unadjustable, be difficult to realize sealing connection stability.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: a telescopic vector sealing valve structure is provided to solve the problems in the prior art.
The technical scheme adopted by the utility model is as follows: the utility model provides a telescopic vector is sealed also valve structure, which comprises a valve body, valve plate and valve shaft, the valve plate is rotatably connected to on the valve body, half inner chamber of axial of valve body sets up to the hemisphere chamber, second half inner chamber is the cylinder chamber, the cylinder chamber embedding has the vector sealing washer, vector sealing washer internal surface constitutes spherical cross section chamber with the hemisphere chamber of valve body, the radial outside surface of valve plate is unanimous with spherical cross section chamber, valve shaft inner fixed connection just the outer end stretches out the valve body on the valve plate, another outer end of the relative vector sealing washer of valve body sets up the bulge loop, the flexible lantern ring of step hole structure is installed to the bulge loop outer end, flexible lantern ring hole embolias the bulge loop tip and adopts sealed clamping ring crimping sealing washer, the sealing washer is located bulge loop outer cylinder and flexible lantern ring inner cylinder.
Preferably, the end part of the convex ring is provided with a convex anti-falling platform, the outer diameter of the convex anti-falling platform is larger than the inner diameter of the telescopic lantern ring, and the telescopic lantern ring is of a two-half separated structure or is provided with an opening.
Preferably, the valve structure further comprises a calibration support pin disposed on the opposite side of the valve shaft, the calibration support pin having an inner end serving as a ball head for supporting the valve plate and an outer end axially movably connected to the valve body through a screw, and the valve plate supported by the ball head is a spherical groove.
Preferably, the vector sealing ring and the valve body are in transition or interference fit.
Preferably, the other half inner chamber of the valve body is of a step hole structure, the outer end of the vector sealing ring is provided with a flange plate, and the flange plate is fastened on the valve body by screws after the vector sealing ring is embedded into the step hole structure.
Preferably, the vector sealing ring is provided with an exit threaded hole.
Preferably, a gap is kept between the inner end of the vector sealing ring and the inner end of the stepped hole structure, and the gap is not more than 1 mm.
Preferably, a valve shaft sealing ring is arranged at the joint of the valve shaft and the valve body.
Preferably, the diameter of the inner cavity of the valve body is 0.025% -8% larger than the caliber of the valve body.
During the equipment, arrange the valve plate in the hemisphere chamber department in the valve body, it is fixed with vector sealing washer embedding in the valve body, and install the valve body tip with the telescopic sleeve ring and sealed clamping ring and sealing washer, spacing fan-shaped gear to two limiting plates on the valve shaft in and install the spacer pin additional and keep with the driving gear meshing, rotary valve plate, with fan-shaped gear fixed connection on the valve plate, accomplish the installation of also valve, when the flexible length of the telescopic sleeve ring is adjusted to needs, loosen sealed clamping ring, lock the clamping ring after moving suitable position.
The utility model has the beneficial effects that: compared with the prior art, the utility model has the following effects:
(1) the position between the telescopic lantern ring and the valve body is adjustable, a telescopic structure is realized, the valve is conveniently and accurately butted with the pipeline flange plate, the existing equipment is conveniently transformed, the external sealing mode of the valve body at the position where the pipeline is connected is adopted, the sealing difficulty is reduced, the sealing reliability is improved, the sealing element belongs to a vulnerable part, and the sealing element is externally installed and is also convenient to seal and maintain;
(2) aiming at the inner cavity of the valve body of the spherical section cavity, the inner cavity of the valve body is axially divided into two halves (the inner surface of a half vector sealing ring serves as the inner surface of the valve body), the vector sealing ring serves as a half spherical cavity, so that the spherical section cavity is machined, the machining difficulty of the inner spherical surface is reduced, the machining cost is greatly reduced, the vector sealing ring is more convenient to machine, the vector sealing ring is axially pressed in, the radial clearance adjustment between the whole spherical section cavity and the spherical section of the valve plate is facilitated, the sealing performance between the spherical section cavity and the spherical section of the valve plate is better, the valve only relates to main components of the valve body, the valve shaft, the valve plate and the vector sealing ring, the manufacturing requirement is simple, and the valve has the characteristic of more convenient assembly and disassembly;
(3) the adjusting support pin plays a role in supporting and rotating, the ball head and the spherical groove form point contact, the directionality is better, and the friction force is smaller;
(4) the interference fit mode is adopted, the sealing performance and the connection reliability between the valve body and the vector sealing ring can be realized, the transition fit is adopted, the installation is convenient, and the sealing can be realized by matching with the sealing ring;
(5) the stepped hole structure is convenient for embedding the vector sealing ring of the flange plate structure into the stepped hole structure, and the connection reliability of the vector sealing ring is further enhanced;
(6) the gap is arranged, so that the position adjustment between the inner spherical cavity surface of the vector sealing ring and the outer spherical surface of the valve plate is convenient to realize, and the sealing property is better;
(7) the vector sealing ring is fixed by interference fit or transition fit, the connection is reliable, the installation is convenient by adopting a compression joint mode, and the outer diameter of the vector sealing ring is larger than the inner hole of the pipeline, so that the anti-falling function can be realized, and the use safety is further improved;
(8) the valve body of the valve structure is thinned, and the flange plates of the pipelines at two sides are butted at two sides of the valve body, so that the structure of the mounting position is more compact.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic sectional view of A-A in FIG. 1;
fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Detailed Description
The utility model is further described with reference to the accompanying drawings and specific embodiments.
Vector seal in this application means: the method is a mode for realizing that the mutual natural variables between surfaces (contact) meet the sealing performance requirement through the physical properties and the forms of substances.
Example 1: as shown in fig. 1-4, a telescopic vector seal and valve structure, comprising a valve body 1, valve plate 2 and valve shaft 3, valve plate 2 is rotatably connected to on the valve body 1, half inner chamber of axial of valve body 1 sets up to the hemisphere chamber, half inner chamber is the cylinder chamber, the embedding of cylinder chamber has vector sealing washer 4, 4 internal surfaces of vector sealing washer constitute spherical cross section chamber with the hemisphere chamber of valve body 1, 2 radial outside surfaces of valve plate are unanimous with spherical cross section chamber, valve shaft 3 inner fixed connection is on valve plate 2 and the outer end stretches out valve body 1, another outer end of 1 relative vector sealing washer 4 of valve body sets up bulge loop 11, the flexible lantern ring 8 of step pore structure is installed to bulge loop 11 outer end, step pore structure cup joints department with the bulge loop for the activity, the 8 hole of flexible lantern ring embolias the tip of bulge loop 11 and adopts sealed clamping ring 9 crimping sealing washer 10, sealing washer 10 is located 11 outer cylinder of bulge loop and 8 inner cylinders of flexible lantern ring.
Preferably, above-mentioned bulge loop 11 tip is provided with evagination anticreep platform 17, and evagination anticreep platform 17 external diameter is greater than the major segment hole internal diameter that the telescopic lantern ring 9 internal diameter is less than the step pore structure of telescopic lantern ring 8, and telescopic lantern ring 9 sets up to two halves disconnect-type structures or is provided with the opening, can avoid the telescopic lantern ring pulling too big telescopic lantern ring that leads to drop, simple to operate is swift.
Preferably, the above-mentioned telescopic vector sealing valve structure further comprises a calibration support pin 5, the calibration support pin 5 is disposed on the opposite side of the valve shaft 3, the inner end of the calibration support pin is a ball head for supporting the valve plate 2, the outer end of the calibration support pin is connected to the valve body 1 in an axially movable manner through a screw thread, and the valve plate 2 supported by the ball head is a spherical groove.
Preferably, the vector sealing ring 4 and the valve body 1 are in transition or interference fit.
Preferably, the other half inner chamber of the valve body 1 is of a step hole structure, the flange plate 12 is arranged at the outer end of the vector sealing ring 4, the flange plate 12 is fastened on the valve body 1 by using the screw 6 after the vector sealing ring 4 is embedded into the step hole structure, and the vector sealing ring 4 is positioned on the valve body 1 by using the positioning pin 7.
Preferably, the vector sealing ring is provided with a withdrawing threaded hole 7, and the vector sealing ring in tight fit can be withdrawn after the vector sealing ring is rotated by a screw.
Preferably, a gap is kept between the inner end of the vector sealing ring 4 and the inner end of the stepped hole structure, the gap is not larger than 1mm, the position adjustment between the inner spherical cavity surface of the vector sealing ring and the outer spherical surface of the valve plate is convenient to realize, and the sealing performance is better.
Preferably, a valve shaft sealing ring 13 is arranged at the joint of the valve shaft 3 and the valve body 1, a gap is arranged at the joint of the valve shaft 3 and the valve body 1, the gap is 0.15-0.5 mm, the gap between the outer side surface of the valve plate 2 and a spherical section cavity in the valve body 1 is 0.005-0.1mm, the gap between the valve shaft 3 and the valve body and the gap between the valve plate and the spherical section cavity in the valve body are matched in size, so that the acting force of a bearing medium on the valve plate is acted on the valve body, the valve shaft is almost free from shearing force and only subjected to torsional moment when the valve is opened, the shaft diameter of the valve shaft can be simplified, the valve body structure is greatly reduced, the length is thinner, the weight is greatly reduced, the service life is greatly prolonged, the valve plate can be greatly reduced, the medium is larger in section ratio and smaller in resistance, the installation size is short, the spherical section cavity is rigidly sealed, the sealing effect is better, and the problems of heavy structure, heavy weight and heavy weight caused by overlarge stress of the valve shaft in the prior art are effectively solved, Short service life, long installation size, small medium passing section ratio and large resistance.
Preferably, the diameter of the inner cavity of the valve body 1 is larger than 0.025% -8% of the caliber of the valve body 1, the requirement of thinning the valve body is met under the condition that the axial force of the valve plate can be borne, and the weight is lighter.
Preferably, the aforesaid all sets up sunken toper face portion in valve plate backing water side and the side of intaking, can increase and overflow the section ratio, reduces the medium resistance, reduces valve plate weight, and increase valve plate load, life is higher.
The mounting flange 14 of symmetry all is provided with in valve body 1 and 8 circumference of the flexible lantern ring, and mounting flange 14 leans on the valve body outside the valve shaft 3, and the spherical cross section chamber of valve body leans on the valve body opposite side, and a plurality of through-holes 15 are arranged to mounting flange, and when the pipeline was installed to the valve body both sides, all docked the mounting flange both sides with the ring flange of both sides pipeline tip, through bolt fixed connection, the mounting flange junction still was provided with the stagnant water pad.
Preferably, an annular sealing packing ring 16 is arranged between the inner end of the vector sealing ring 4 and the end face of the valve body 1, the sealing packing ring 16 is provided with a plurality of convex rings, and the plurality of convex rings are embedded into a groove on the end face of the valve body 1, so that the sealing structure has a good sealing effect.
The valve also operates on and off: the valve also drives the valve plate to rotate through the valve shaft, the valve plate rotates 90 degrees in the spherical cavity of the valve body to realize opening and closing, medium closing is realized through the interaction of the spherical surfaces of the valve plate and the valve body 1, and the valve plate and the spherical section cavity are in hard sealing or are provided with a combined sealing flow stopping medium after a packing ring is arranged.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.
Claims (9)
1. The utility model provides a telescopic vector is sealed also valve structure, including valve body (1), valve plate (2) and valve shaft (3), valve plate (2) rotatably are connected to on valve body (1), half inner chamber of axial of valve body (1) sets up to the hemisphere chamber, half inner chamber is the cylinder chamber, the cylinder chamber embedding has vector sealing washer (4), vector sealing washer (4) internal surface constitutes spherical section chamber with the hemisphere chamber of valve body (1), valve plate (2) radial outside surface is unanimous with spherical section chamber, valve shaft (3) inner fixed connection just the outer end stretches out valve body (1) on valve plate (2), its characterized in that: another outer end of valve body (1) relative vector sealing washer (4) sets up bulge loop (11), and the flexible lantern ring (8) of step hole structure are installed to bulge loop (11) outer end, and on the flexible lantern ring was emboliaed bulge loop (11) tip and adopted sealed clamping ring (9) crimping sealing washer (10) to flexible lantern ring, sealing washer (10) were located bulge loop (11) outer cylinder and flexible lantern ring (8) inner cylinder inner.
2. A telescoping vector seal valve arrangement as claimed in claim 1, wherein: the valve comprises a valve shaft (3), and is characterized by further comprising an adjusting and supporting pin (5), wherein the adjusting and supporting pin (5) is arranged on one side opposite to the valve shaft (3), the inner end of the adjusting and supporting pin is a ball head for supporting the valve plate (2), the outer end of the adjusting and supporting pin is axially movably connected to the valve body (1) through threads, and the supporting valve plate (2) at the ball head supporting position is a spherical groove.
3. A telescoping vector seal valve arrangement as claimed in claim 1, wherein: the vector sealing ring (4) and the valve body (1) are in transition or interference fit.
4. A telescoping vector seal valve arrangement as claimed in claim 1, wherein: the other half inner chamber of valve body (1) is the step hole structure, and vector sealing washer (4) outer end sets up ring flange (12), adopts screw (6) to fasten ring flange (12) on valve body (1) behind the embedding step hole structure in vector sealing washer (4).
5. A telescoping vector seal valve arrangement as claimed in claim 1, wherein: and the vector sealing ring (4) is provided with a withdrawing threaded hole (7).
6. The telescoping vector seal valve structure of claim 4, wherein: a gap is kept between the inner end of the vector sealing ring (4) and the inner end of the step hole structure, and the gap is not more than 1 mm.
7. A telescoping vector seal valve arrangement as claimed in claim 1, wherein: a valve shaft sealing ring (13) is arranged at the joint of the valve shaft (3) and the valve body (1).
8. A telescoping vector seal valve arrangement as claimed in claim 1, wherein: the diameter of the inner cavity of the valve body (1) is 0.025-8% larger than the caliber of the valve body (1).
9. A telescoping vector seal valve arrangement as claimed in claim 1, wherein: the end part of the convex ring (11) is provided with a convex anti-slip platform (17), the outer diameter of the convex anti-slip platform (17) is larger than the inner diameter of the telescopic lantern ring (8), and the telescopic lantern ring (8) is of a two-half separated structure or is provided with an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122348340.1U CN216200649U (en) | 2021-09-27 | 2021-09-27 | Telescopic vector sealing valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122348340.1U CN216200649U (en) | 2021-09-27 | 2021-09-27 | Telescopic vector sealing valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200649U true CN216200649U (en) | 2022-04-05 |
Family
ID=80925837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122348340.1U Active CN216200649U (en) | 2021-09-27 | 2021-09-27 | Telescopic vector sealing valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200649U (en) |
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2021
- 2021-09-27 CN CN202122348340.1U patent/CN216200649U/en active Active
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