CN209800752U - Inlaid upward-spreading type discharge valve - Google Patents
Inlaid upward-spreading type discharge valve Download PDFInfo
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- CN209800752U CN209800752U CN201821844360.XU CN201821844360U CN209800752U CN 209800752 U CN209800752 U CN 209800752U CN 201821844360 U CN201821844360 U CN 201821844360U CN 209800752 U CN209800752 U CN 209800752U
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Abstract
The utility model discloses an embedded upward-expanding type emptying valve, which comprises a valve body and a valve internal part, wherein the valve internal part comprises a valve rod, a valve core component and a valve seat, the valve core component is assembled on the valve rod through an inverted compression ring nut, and the valve core component can rotate on the valve rod; the valve core assembly comprises a cover component and a panel, the panel is fixed on the lower surface of the cover component in an embedding mode through a fastener, the panel is in contact with the upper surface of the valve seat, and a plane seal is formed between the panel and the valve seat; and the contact part of the top of the compression ring nut and the valve rod is in a conical surface shape, and the contact part of the valve rod and the compression ring nut is in a spherical surface shape. The utility model discloses an upward exhibition formula baiting valve leaks the grade and can reach VI level requirement to panel in the valve internals structure can freely be changed, and the cost of reprocessing is lower.
Description
Technical Field
the utility model relates to the technical field of valves, concretely relates to go up exhibition formula baiting valve, in particular to mosaic go up exhibition formula baiting valve.
Background
The discharge valve is mainly used for bottom discharge, sampling and no-dead-zone shutdown operation of reaction kettles, storage tanks and other containers. The upper-spreading type discharge valve is one of a plurality of discharge valves, and the discharge valve is widely used in the fields of chemical industry, petroleum, metallurgy, pharmacy, pesticides, dyes, food processing and the like.
A special single-seat regulating valve of an upward-spreading type baiting valve is characterized in that a valve body of the special single-seat regulating valve adopts an integrated direct-current Y-shaped structure, an inner cavity of the valve is free of a blocking flow channel, the inner surface of the valve is subjected to sand blasting treatment, pressure drop loss is small, and the valve is free of dead angles.
In some technological requirements, the reactants are solid particles, fibers and the like, and the leakage grade is required to reach VI grade, otherwise, the medium has adverse effects due to too large leakage amount, so that the process is influenced. At this time, the sealing grade at the valve core and the valve seat is required to be higher so as to accurately control the outflow of the reaction kettle. The conventional conical surface sealing mode is difficult to realize, and a special sealing structure is needed to meet the requirement.
In addition, because the operating mode is comparatively abominable, when the up-extending type baiting valve reaches certain degree at the bottom of the reaction kettle switch frequency, the abrasion and scouring of the valve core and the valve seat sealing part are comparatively serious, and the leakage grade can not reach the technological requirement. But other parts are more intact and do not need to be replaced. There is a need for an easily replaceable seal arrangement to reduce the cost of use.
SUMMERY OF THE UTILITY MODEL
The utility model provides an embedded upward-unfolding type baiting valve.
the technical scheme of the utility model as follows:
an embedded upward-expanding type discharge valve comprises a valve body and a valve internal part, wherein the valve internal part comprises a valve rod, a valve core assembly and a valve seat, the bottom of the valve seat is sealed with the valve body, the valve rod is assembled on the valve body, the valve core assembly is assembled on the valve rod through an inverted pressure ring nut, and the valve core assembly can rotate on the valve rod;
The valve core assembly comprises a cover component and a panel, the panel is fixed on the lower surface of the cover component in an embedding mode through a fastener, the cover component is located outside the feed port of the valve seat, the convex part of the cover component extends into the valve seat, the panel is in contact with the upper surface of the valve seat, and plane sealing is formed between the panel and the valve seat; and the number of the first and second electrodes,
The top of the compression ring nut is in a conical surface shape in contact with the valve rod, and the part of the valve rod in contact with the compression ring nut is in a spherical surface shape; when the valve rod rotates, the valve rod drives the valve core assembly to be matched with the valve seat, and the feed port of the valve seat is closed or opened through the cover part of the valve core assembly.
The utility model discloses in, the clamping ring nut and case subassembly pass through the screw thread mode and form wholly, the circular conical surface of rethread clamping ring nut with the sphere of valve rod contacts, forms a structure from the alignment for the angle of adjustment that the case subassembly can be free finally obtains best sealed angle. The utility model discloses the most critical part just is sealed face between abaculus and the disk seat in the case subassembly realizes freely adjusting through above-mentioned structure to extrusion fit realizes leaking the requirement that the grade reaches VI level each other.
In an embodiment, the compression ring nut is threaded within the boss of the cover member.
In one embodiment, the top of the stem is spaced from the inside surface of the boss of the closure member.
In a preferred embodiment, the valve core assembly further comprises a pressure plate fixedly connected to the panel and the cover member by the fasteners, and a lower surface of the pressure plate is flush with a lower surface of the fasteners.
In one embodiment, the fastener is a fastening screw.
In one embodiment, the upper surface of the valve seat has a boss, and the panel contacts the upper surface of the boss and provides a planar seal.
In one embodiment, the valve rod is assembled on the valve body through packing and is integrally connected with the valve body through an actuating mechanism.
In one embodiment, the valve seat is provided with a convex part, the convex part is positioned in the kettle bottom, and the discharge valve is fastened at the discharge port through a valve body flange and a kettle bottom flange.
In one embodiment, the material of the panel can be copper material or PEEK according to the requirements of different working conditions.
In one embodiment, the sealing part of the valve seat adopts special processes such as nickel-based alloy spraying and stellai overlaying according to different working conditions so as to improve the hardness of the sealing part, thereby meeting the requirements of scouring resistance, corrosion resistance and the like.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses an upward exhibition formula baiting valve leaks the grade and can reach VI level requirement to panel in the valve internals structure can freely be changed, and the cost of reprocessing is lower.
Drawings
FIG. 1 is a schematic diagram of a valve trim configuration of a conventional product of the prior art;
Fig. 2 is a schematic overall structure diagram of an embedded upward-expanding type baiting valve according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a valve trim of a mosaic spread-up baiting valve of an embodiment of the present invention;
Fig. 4 is a schematic view illustrating the opening and sealing of the valve core assembly of the inserted upward-spreading type baiting valve according to the embodiment of the present invention.
Detailed Description
The utility model provides an inserted upward exhibition formula baiting valve is applicable to the hard granule operating mode of high pressure, the utility model provides an inserted upward exhibition formula baiting valve's valve internals structure is one of the most important constitution in the upward exhibition formula baiting valve. The term "insert" means that the panel, which forms a planar seal with the valve seat, is provided on the closure part in an insert-like manner.
The utility model discloses traditional exhibition formula baiting valve on having improved. Fig. 1 shows a conventional upward-expanding type discharge valve, and more particularly, to a soft-sealing upward-expanding type discharge valve structure, in which a soft seat is pressed into a valve seat, and a valve core moves up and down to open or close the valve. However, when the pressure is high, the soft seat is easy to deform and is also easy to be pressed out to cause sealing failure, so that the soft seat is not suitable for high-pressure and hard particle working conditions.
In some technological requirements, when the reactant is solid particles, fiber and the like, the leakage grade needs to reach VI grade, otherwise, the medium has adverse effect due to too large leakage amount, and the process is influenced. At this time, the sealing grade at the valve core and the valve seat is required to be higher so as to accurately control the outflow of the reaction kettle. In view of the situation, the conventional conical surface sealing mode is difficult to meet the requirement, and a special sealing structure is needed to meet the requirement. The utility model provides an upward exhibition formula baiting valve adopts the mosaic structure, is through plane seal between case and the disk seat to reach the purpose of solving above-mentioned problem.
Under some conditions, due to the fact that the working condition is severe, when the opening and closing times of the emptying valve at the bottom of the reaction kettle reach a certain degree, the abrasion and the scouring of the sealing part of the valve core and the valve seat are severe, and the leakage grade cannot meet the technological requirements. But other parts are more intact and do not need to be replaced. Just need the case that just needs an easy change seal structure at this moment to reduce use cost, the utility model discloses this problem also can be solved to the valve internals structure of exhibition formula baiting valve on the inserted introduced.
the invention will be further described with reference to the accompanying drawings and specific embodiments. The following examples are given by way of illustration only and are not intended to limit the scope of the present invention.
Examples
The upper-spreading type discharge valve is one of a plurality of discharge valves, and the discharge valve is widely used in the fields of chemical industry, petroleum, metallurgy, pharmacy, pesticides, dyes, food processing and the like.
Please refer to the embodiment of the inserted pop-up type discharge valve shown in fig. 2.
As can be seen from FIG. 2, the valve body assembly of the upward-spreading type baiting valve of the embodiment is composed of a valve body, a valve inner part and a filler; referring to fig. 3, the valve trim includes a valve stem 6, a valve core assembly and a valve seat 7, the bottom of the valve seat 7 is sealed with the valve body through a gasket, the valve stem 6 is assembled on the valve body through a packing assembly and is connected with the valve body through an actuator into a whole, and the valve core assembly is assembled on the valve stem 6 through an inverted compression ring nut 5 and can rotate on the valve stem 6.
Referring to fig. 3, the valve core assembly includes a cover member 1, a panel 2, a pressure plate 3 and a fastening screw 4, wherein the panel 2 is fixed on the lower surface of the cover member 1 by the fastening screw 4 and performs a plane sealing with the upper surface of a valve seat 7, and more specifically, as shown in fig. 3, the upper surface of the valve seat 7 has a boss, and the panel 2 contacts with the upper surface of the boss and performs a plane sealing; the pressing plate 3 is fixed on the panel 2 and the cover component 1 through a fastening screw 4; the sealing cover part 1 is positioned outside the feeding hole of the valve seat 7, the convex part of the sealing cover part 1 extends into the valve seat 7, when the valve rod 6 rotates, the valve rod 6 drives the valve core assembly to be matched with the valve seat 7, and the feeding hole of the valve seat 7 is closed or opened through the sealing cover part 1 of the valve core assembly.
Referring to fig. 3 again, during assembly, the raised portion of the valve seat 7 is located in the bottom of the kettle, and the discharge valve is fastened to the discharge port through the valve body flange and the kettle bottom flange.
The valve core assembly is assembled on the valve rod 6 through the compression ring nut 5, specifically, the convex part of the cover sealing component 1 is provided with an inner groove, an inner thread is arranged in the inner groove, the fixed part of the valve rod 6 has a larger radial size, a distance is reserved between the top of the valve rod 6 and the inner side surface of the convex part of the cover sealing component 1, after the valve rod 6 is installed in the inner groove, the compression ring nut 5 is screwed on the inner thread of the inner groove, and therefore the valve rod 6 and the valve core assembly are assembled together through the compression ring nut 5.
and in particular the part of the compression nut 5 in contact with the top of the valve stem 6 is conical in shape, whereas the part of the top of the valve stem 6 in contact with the compression nut 5 is spherical in shape, in particular a portion of a spherical surface.
In this embodiment, the compression ring nut 5 and the valve core assembly are integrated in a threaded manner, and then the conical surface of the compression ring nut 5 is in contact with the spherical surface at the top of the valve rod 6 to form a self-aligning structure, so that the valve core assembly can be adjusted freely to obtain the optimal sealing angle. In addition, the most critical part is that the sealing surfaces of the panel 2 and the valve seat 7 in the valve core assembly are plane sealing, and through the free angle adjustment of the structure, the panel 2 and the valve seat 7 are mutually matched in a pressing mode to achieve the requirement that the leakage grade reaches VI grade.
In addition, the material of the panel 2 can be copper material or PEEK according to the requirements of different working conditions.
In addition, special processes such as nickel-based alloy spraying, stellai overlaying and the like can be adopted at the sealing part of the valve seat 7 according to different working condition requirements.
The utility model provides an embedded upward-expanding type baiting valve, which particularly leads a valve rod and a valve core component in the valve internal part structure to form a self-alignment structure through the arrangement of the valve internal part structure, and sets an embedded block and a valve seat to be plane sealing, thus leading the leakage grade of the baiting valve to reach the VI grade requirement; particularly, the embedded block and the valve seat are plane sealing, and compared with the prior conical surface with an angle difference, the sealing performance can be improved, and the VI-level requirement is met;
Moreover, the panel in the valve internal part structure of the baiting valve can be freely replaced, and the material of the panel can be freely selected, so that diversification is realized;
As shown in fig. 1, the conventional upward-expanding type baiting valve is sealed by two conical surfaces, the sealing performance is poor, and if erosion and damage occur after the valve is used for a period of time, the repair can be carried out only on the whole valve internal part, and the repair cost is high; and the upper-expanding type baiting valve of the utility model only needs to replace the insert part, and the repair cost is lower.
The above disclosure is only illustrative of the preferred embodiments of the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. An embedded type upward-expanding type discharge valve is characterized by comprising a valve body and a valve internal part, wherein the valve internal part comprises a valve rod, a valve core assembly and a valve seat, the bottom of the valve seat is sealed with the valve body, the valve rod is assembled on the valve body, the valve core assembly is assembled on the valve rod through an inverted compression ring nut, and the valve core assembly can rotate on the valve rod;
The valve core assembly comprises a cover component and a panel, the panel is fixed on the lower surface of the cover component in an embedding mode through a fastener, the cover component is located outside the feed port of the valve seat, the convex part of the cover component extends into the valve seat, the panel is in contact with the upper surface of the valve seat, and plane sealing is formed between the panel and the valve seat; and the number of the first and second electrodes,
The top of the compression ring nut is in a conical surface shape in contact with the valve rod, and the part of the valve rod in contact with the compression ring nut is in a spherical surface shape; when the valve rod rotates, the valve rod drives the valve core assembly to be matched with the valve seat, and the feed port of the valve seat is closed or opened through the cover part of the valve core assembly.
2. the mosaic spread-up discharge valve of claim 1, wherein said compression ring nut is threaded within said boss of said closure member.
3. The pop-up dip valve of claim 1, wherein the top of the stem is spaced from the inside surface of the boss of the closure member.
4. The pop-up trim valve of claim 1, wherein the spool assembly further comprises a pressure plate fixedly connected to the panel and the cover member by the fastener, and wherein a lower surface of the pressure plate is flush with a lower surface of the fastener.
5. The mosaic spread-up discharge valve as claimed in claim 1 or 4, wherein said fasteners are fastening screws.
6. The pop-up valve of claim 1, wherein the upper surface of the valve seat has a boss, and the panel contacts the upper surface of the boss and forms a flat seal.
7. the mosaic spread-up discharge valve of claim 1, wherein said valve stem is fitted to said valve body by packing and integrally connected to said valve body by an actuator.
8. The mosaic spread-up discharge valve as claimed in claim 1, wherein said valve seat has a raised portion, said raised portion being located in the kettle bottom, said discharge valve being secured to the kettle bottom flange at the discharge port by a valve body flange.
9. The pop-up type baiting valve as claimed in claim 1, wherein the material of the panel is copper or PEEK according to the requirements of different working conditions.
10. The embedded upward-expanding type discharge valve according to claim 1, wherein the sealing position of the valve seat adopts a nickel-based alloy spraying or stellai overlaying process according to different working conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844360.XU CN209800752U (en) | 2018-11-09 | 2018-11-09 | Inlaid upward-spreading type discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844360.XU CN209800752U (en) | 2018-11-09 | 2018-11-09 | Inlaid upward-spreading type discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800752U true CN209800752U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821844360.XU Active CN209800752U (en) | 2018-11-09 | 2018-11-09 | Inlaid upward-spreading type discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800752U (en) |
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2018
- 2018-11-09 CN CN201821844360.XU patent/CN209800752U/en active Active
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