CN217784234U - High-sealing-performance circular valve with double-blade type rubber-coated valve plate - Google Patents
High-sealing-performance circular valve with double-blade type rubber-coated valve plate Download PDFInfo
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- CN217784234U CN217784234U CN202220134328.2U CN202220134328U CN217784234U CN 217784234 U CN217784234 U CN 217784234U CN 202220134328 U CN202220134328 U CN 202220134328U CN 217784234 U CN217784234 U CN 217784234U
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Abstract
The utility model discloses a high leakproofness circular valve with two leaf formula rubber coating valve plates, including valve body (1), be equipped with left blade (2) and right blade (6) in valve body (1), left blade (2) and right blade (6) carry out the comprehensive cladding of silica gel heat treatment injection mold, transmission case (7) are connected through left guide pin bushing (3) in left blade (2), transmission case (7) are connected through right guide pin bushing (5) in right blade (6), install on transmission case (7) and instruct box (8), instruct box (8) through pivot (9) linked switch control executor (10), bottom housing (4) are connected in valve body (1), the utility model discloses can improve the valve gas tightness, satisfy the air tightness performance demand.
Description
Technical Field
The utility model belongs to the technical field of the valve, a high leakproofness circular valve with bilobal formula rubber coating valve plate is related to.
Background
The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, stopping, regulation, throttling, non-return, diversion or overflow pressure relief and the like. Valves used for fluid control range from the simplest shut-off valves to the various valves used in extremely complex autonomous systems, ranging in variety and specification from the very tiny instrument valves to industrial pipeline valves up to a nominal diameter of 10 m. The valve can be used for controlling the flow of various types of fluids such as water, steam, oil products, gas, mud, various corrosive media, liquid metal, radioactive fluid and the like, can act according to preset requirements under the action of pressure, temperature or other types of sensing signals, or can be simply opened or closed without depending on the sensing signals, and the valve can make the opening and closing piece perform lifting, sliding, swinging or rotating motion by depending on a driving or automatic mechanism, so that the size of the flow passage area is changed to realize the control function.
At present, the metal blades are adopted for processing and flanging a plurality of valves so as to enable the blades to be jointed with each other, so that the requirement of air tightness can not be met; still install various airtight strips additional at valve blade edge, though can improve airtight performance, nevertheless still have certain gap apart from international certification's normative performance, have serious hidden danger after installing airtight strip additional moreover, be exactly because the interior harsh operational environment of tuber pipe, be difficult to ensure airtight strip and not take place the problem of droing, in case take place to drop, under the atmospheric pressure of up to 2000psi in the tuber pipe, probably cause the damage of terminal fan blade, destroy, lose the original airtight of valve and prevent leaking the performance.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that prior art exists, the application provides a high leakproofness circular valve with bilobal rubber coating valve plate.
The technical scheme of the utility model as follows:
the utility model provides a circular valve of high leakproofness with two leaf formula rubber coating valve plates, includes the valve body, this internal left blade and the right blade that is equipped with of valve, and left blade and right blade carry out the comprehensive cladding of silica gel heat treatment injection mould, and left blade passes through left guide pin bushing and connects the transmission case, and right blade passes through right guide pin bushing and connects the transmission case, installs on the transmission case and instructs the box, instructs the box to connect the switch control executor through the pivot, this body coupling bottom housing of valve.
As a preferred embodiment of the present invention: the valve body is connected with a first flange and a second flange.
As a preferred embodiment of the present invention: circular through holes are drilled in the first flange and the second flange.
As a preferred embodiment of the present invention: the indication box is provided with a pointer and scales.
As a preferred embodiment of the present invention: the switch control actuator is a hand wheel.
As a preferred embodiment of the present invention: the indication box is fastened on the transmission case through a socket head cap screw.
The utility model discloses profitable technological effect as follows:
the utility model relates to a high leakproofness circular valve with bilobal formula rubber coating valve plate is the comprehensive cladding of silica gel heat treatment injection mould with the valve blade, reach silica gel and silica gel direct contact with this, contact each other with the soft material of silica gel, the maximize is improved the bad shortcoming of industry valve gas tightness in the past, through the complete rubber coating formula blade after the comprehensive cladding of silica gel heat treatment injection mould is handled, can greatly strengthen the adhesion degree of rubber coating material on the blade, ensure that the blade does not take place to damage under abominable operation environment.
Drawings
Fig. 1 is a front view of a high-tightness circular valve with a double-blade rubber-coated valve plate according to the present invention;
fig. 2 is a perspective structural view of the present invention.
Reference numerals: 1-a valve body, 2-a left blade, 3-a left guide sleeve, 4-a bottom cover shell, 5-a right guide sleeve, 6-a right blade, 7-a transmission box, 8-an indication box, 9-a rotating shaft, 10-a switch control actuator, 11-a hexagon socket screw, 12-a first flange and 13-a second flange.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only some embodiments of the invention, and 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 all belong to the protection scope of the present invention.
As shown in fig. 1-2, a high-tightness circular valve with a double-blade rubber-coated valve plate comprises a valve body 1, wherein a left blade 2 and a right blade 6 are arranged in the valve body 1, the left blade 2 and the right blade 6 are subjected to silica gel heat treatment injection molding and are completely coated, the left blade 2 is connected with a transmission box 7 through a left guide sleeve 3, the right blade 6 is connected with the transmission box 7 through a right guide sleeve 5, an indication box 8 is arranged on the transmission box 7, the indication box 8 is connected with a switch control actuator 10 through a rotating shaft 9, and the valve body 1 is connected with a bottom housing 4.
Specifically, the blade steel of the left blade 2 and the blade steel of the right blade 6 are placed in a specially-made die, and then the soft colloid material is heated and softened and then injected into the die, so that the steel blade is uniformly and seamlessly coated with a layer of soft colloid material with the thickness of 2 mm.
Specifically, the outer edges of the left blade 2 and the right blade 6 are formed into a desired section, and the specially designed sections are joined to each other to enhance airtightness.
The valve body 1 is connected with the first flange 12 and the second flange 13, so that the space is saved, the weight is reduced, more importantly, the joint position is ensured not to leak, and the valve has good sealing performance; circular through holes are drilled in the first flange 12 and the second flange 13; the indicating box 8 is provided with a pointer and scales, so that the opening angle of the valve blade can be conveniently adjusted; the switch control actuator 10 is a hand wheel, has strong mechanical hardness, is not easy to deform, and has friction resistance, corrosion resistance, aging resistance and easy wiping; the indication box 8 is fastened on the transmission case 7 through a hexagon socket head cap screw 11, the head of the indication box is a hexagon socket head, the nominal tensile strength is high, and the indication box has the advantages of convenience in fastening and dismounting, difficulty in sliding angles and the like.
To sum up, the utility model relates to a circular valve of high leakproofness with bilobal rubber coating valve plate, do the comprehensive cladding of silica gel heat treatment injection mold with valve blade, reach silica gel and silica gel direct contact with this, contact each other with the soft material of silica gel, the maximize improves the bad shortcoming of industry valve gas tightness in the past, through the complete rubber coating formula blade after the comprehensive cladding of silica gel heat treatment injection mold is handled, can greatly strengthen the degree of adhesion of rubber coating material on the blade, ensure that the blade does not take place to damage under abominable operation environment, and can adjust valve blade opening angle wantonly, the amount of wind is passed through in the adjustment.
Although the embodiments of the present invention have been disclosed in the foregoing description, it should be understood that the invention is not limited to the details of construction and arrangements of the embodiments, but is capable of numerous changes, modifications, substitutions and alterations by one of ordinary skill in the art without departing from the principles and spirit of the invention.
Claims (6)
1. The utility model provides a high leakproofness circular valve with bilobal rubber coating valve plate which characterized in that: including valve body (1), be equipped with left blade (2) and right blade (6) in valve body (1), the comprehensive cladding of silica gel heat treatment injection mold is carried out in left blade (2) and right blade (6), transmission case (7) are connected through left guide pin bushing (3) in left blade (2), transmission case (7) are connected through right guide pin bushing (5) in right blade (6), install on transmission case (7) and instruct box (8), instruct box (8) through pivot (9) linked switch control executor (10), bottom housing (4) is connected in valve body (1).
2. The round valve with high sealing performance provided with the double-blade rubber-coated valve plate as claimed in claim 1, wherein the valve body (1) is connected with a first flange (12) and a second flange (13).
3. The round valve with high sealing performance provided with the double-blade rubber-coated valve plate as claimed in claim 2, wherein the first flange (12) and the second flange (13) are drilled with round through holes.
4. The high-tightness circular valve with the double-blade rubber-coated valve plate according to the claim 1 is characterized in that the indication box (8) is provided with a pointer and scales.
5. The high-tightness circular valve with the double-blade rubber-coated valve plate as claimed in claim 1, wherein the switch control actuator (10) is a hand wheel.
6. The high-tightness circular valve with double-blade rubber-coated valve plate according to any one of the claims 1 to 5, characterized in that the indication box (8) is fastened to the transmission case (7) through an inner hexagon screw (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220134328.2U CN217784234U (en) | 2022-01-19 | 2022-01-19 | High-sealing-performance circular valve with double-blade type rubber-coated valve plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220134328.2U CN217784234U (en) | 2022-01-19 | 2022-01-19 | High-sealing-performance circular valve with double-blade type rubber-coated valve plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217784234U true CN217784234U (en) | 2022-11-11 |
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ID=83904408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220134328.2U Active CN217784234U (en) | 2022-01-19 | 2022-01-19 | High-sealing-performance circular valve with double-blade type rubber-coated valve plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217784234U (en) |
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2022
- 2022-01-19 CN CN202220134328.2U patent/CN217784234U/en active Active
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