CN219472778U - Corrosion-resistant gate valve - Google Patents
Corrosion-resistant gate valve Download PDFInfo
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- CN219472778U CN219472778U CN202320630244.2U CN202320630244U CN219472778U CN 219472778 U CN219472778 U CN 219472778U CN 202320630244 U CN202320630244 U CN 202320630244U CN 219472778 U CN219472778 U CN 219472778U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model belongs to the technical field of valves, and particularly relates to an anti-corrosion gate valve, which comprises: the valve body is internally provided with a flow channel, and the top end of the valve body is provided with a valve cover; further comprises: the valve rod is provided with a first thread part and a second thread part; the handle is arranged at the top end of the valve rod; the valve plate is arranged in the valve body and is in threaded connection with the first threaded part; the valve rod at least partially extends in the valve body and can rotate in the valve body, the pitch of the first thread part is larger than that of the second thread part, the valve plate and the first thread part interact to move the valve plate, compared with the prior art, the valve rod has smaller space for opening the valve plate, the valve rod can completely open the valve plate only by smaller vertical moving space, and the valve plate has high opening speed and can effectively cope with emergency.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to an anti-corrosion gate valve.
Background
The gate valve is opened and closed, the direction of motion of flashboard is perpendicular with the fluid direction, the gate valve can only make full opening and closing, can not make regulation and throttle, as the patent of application number CN202021159021.5 discloses a corrosion-resistant gate valve, including valve body and valve plate, the both sides of valve plate are equipped with the seal cover, the outside of seal cover is equipped with corrosion-resistant layer, one side and the pipeline of valve body are connected, be equipped with filter equipment between valve body and the pipeline, filter equipment includes the filter screen, the installation piece, sealing ring and sealing disk, the upper end fixed connection of installation piece and filter screen, the sealing ring is located the junction of filter screen and installation piece, the sealing disk is located the outside of sealing ring, sealing ring and sealing disk fixed connection, the top of sealing disk is contradicted with the inner wall of valve body and pipeline, the lower extreme junction of valve body and pipeline is equipped with the sealing washer of pegging graft each other respectively, this kind of current gate valve need keep great valve rod travel space in the use, can't be used for the less region in space, and the opening and closing speed of gate valve is slower, can't be effective to make the improvement to the emergency from this.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides an anti-corrosion gate valve which is suitable for installation in a small space and improves the opening and closing speed of the gate valve.
In view of this, the present utility model provides a corrosion protection gate valve comprising:
the valve body is internally provided with a flow channel, and the top end of the valve body is provided with a valve cover;
further comprises:
the valve rod is provided with a first thread part and a second thread part;
the handle is arranged at the top end of the valve rod;
the valve plate is arranged in the valve body and is in threaded connection with the first threaded part;
wherein the valve stem extends at least partially within the valve body and is rotatable within the valve body, the first threaded portion has a pitch greater than a pitch of the second threaded portion, and the valve plate interacts with the first threaded portion to move the valve plate.
In the technical scheme, when the gate valve is used, the handle is rotated to drive the valve rod to rotate through the handle, the valve rod interacts with the second threaded part and moves in the vertical direction, meanwhile, along with the rotation of the valve rod, the valve plate acts with the first threaded part and moves in the vertical direction, and because the screw pitch of the first threaded part is larger than that of the second threaded part, the valve plate can further move upwards under the action of the first threaded part while moving along with the valve rod, so that the flow passage is opened.
In the above technical solution, further, the ratio of the second threaded portion to the first threaded portion is between 2:1 and 3:1.
In the above technical solution, further, the first threaded portion includes a double-start thread or a triple-start thread.
In the above technical solution, further, the valve plate further includes:
the actuating part is provided with a threaded inner hole;
the plate body is axially arranged at two sides of the actuating part along the flow passage;
the first threaded part of the valve rod is in threaded connection with the threaded inner hole.
In the above technical solution, further, the method further includes:
the wear-resistant anticorrosive coating is arranged on the inner walls of the flow channel and the plate body.
In the above technical scheme, further, the wear-resistant and corrosion-resistant layer is a polyurethane layer.
The beneficial effects of the utility model are as follows:
1. the valve plate can be completely opened only by smaller vertical movement space through the cooperation of the first thread part and the second thread part on the valve rod with the valve body and the valve plate, and the valve plate can be opened quickly, so that emergency can be effectively treated;
2. the space required for opening the valve plate is further reduced and the opening and closing speed of the valve plate is improved through the ratio of the first thread part to the second thread part;
3. the wear-resistant and corrosion-resistant performance of the valve body and the valve plate is improved by arranging the wear-resistant and corrosion-resistant layer, and the service life of the gate valve is further prolonged.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an embodiment of the present utility model.
FIG. 2 is a schematic view of the valve stem structure of the present utility model.
FIG. 3 is a schematic view of the front view of the valve stem of the present utility model.
Fig. 4 is a partially enlarged view of the portion a of fig. 1 according to the present utility model.
Fig. 5 is a schematic view of the structure of the wear-resistant and corrosion-resistant layer of the present utility model.
The label in the figure is:
1-valve body, 100-runner, 2-valve gap, 3-valve rod, 30-first screw thread portion, 31-second screw thread portion, 4-handle, 5-valve plate, 50-actuating portion, 51-plate body, 6-wear-resisting anticorrosive coating.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Example 1:
the embodiment of the application provides an anti-corrosion gate valve, which comprises: the valve comprises a valve body 1, wherein a flow passage 100 is arranged in the valve body, and a valve cover 2 is arranged at the top end of the valve body 1;
further comprises: a valve stem 3, the valve stem 3 being provided with a first screw portion 30 and a second screw portion 31; a handle 4, the handle 4 being arranged at the top end of the valve rod 3; a valve plate 5, the valve plate 5 being provided in the valve body 1 and being screwed with the first screw portion 30;
wherein the valve rod 3 extends at least partially inside the valve body 1 and is rotatable inside the valve body 1, the pitch of the first thread part 30 is larger than the pitch of the second thread part 31, the valve rod 3 interacts with the second thread part 31 to move the valve rod 3, and the valve plate 5 interacts with the first thread part 30 to move the valve plate 5.
Moreover, the handle 4 is fixedly mounted on the top end of the valve stem 3 to drive the valve stem 3 to rotate, the valve plate 5 is in direct or indirect contact with the valve stem 3 so as to be arranged to move with the valve stem 3 when the valve stem 3 rotates, the second threaded portion 31 is in threaded connection with the valve cap, the valve cap is fixed on the valve body 1 and in substantially immovable relation with the valve body 1, the interaction between the second threaded portion 31 and the valve cap 2 is used to move the valve stem 3 relative to the valve body 1, the top end of the valve stem 3 is also provided with a third threaded portion to facilitate connection of the handle 4 with the valve stem 3, so that the handle 4 is detachably mounted on the top end of the valve stem 3 by threads, the valve body 1 may comprise a first half and a second half, each half comprising a flow passage 100 portion, each half may be connected together by welding, a valve seat is formed under the flow passage 100, and when the two halves are connected together, a sleeve or opening is formed on the top, and the valve cap 2 may be connected in the sleeve or opening.
In this embodiment, when the gate valve is used, the handle 4 drives the valve rod 3 to rotate through the handle 4, and because the second threaded portion 31 on the valve rod 3 is in threaded connection with the valve cover 2 and the valve cover 2 is in a basically immovable relation with the valve body 1, the valve rod 3 interacts with the second threaded portion 31 and moves in a vertical direction, meanwhile, along with the rotation of the valve rod 3, the valve plate 5 acts with the first threaded portion 30 and moves in the vertical direction, and because the pitch of the first threaded portion 30 is larger than the pitch of the second threaded portion 31, the valve plate 5 can move further upwards under the action of the first threaded portion 30 while moving along with the valve rod 3, so that the flow channel 100 is opened.
Example 2:
the present embodiment provides a corrosion protection gate valve having the following technical features in addition to the technical scheme including the above embodiment, the ratio of the second threaded portion 31 to the first threaded portion 30 is between 2:1 and 3:1.
The first threaded portion 30 includes a double-start thread or a triple-start thread.
Moreover, the first threaded portion 30 includes a first pitch at a double or triple rate of departure.
In the present embodiment, the space required for opening the valve plate 5 is further reduced and the opening and closing speed of the valve plate 5 is increased by rationally designing the ratio of the first screw portion 30 and the second screw portion 31.
Example 3:
the present embodiment provides an anti-corrosion gate valve having the following technical features in addition to the technical scheme including the above embodiment, the valve plate 5 further includes: the actuating part 50 is provided with a threaded inner hole; the plate body 51, the plate body 51 is set up on both sides of the actuating portion 50 along the axial direction of the runner 100;
wherein the first threaded portion 30 of the valve stem 3 is threadedly coupled to the threaded bore.
In this embodiment, when the gate valve is used, the handle 4 drives the valve rod 3 to rotate through the handle 4, the valve rod 3 interacts with the second threaded portion 31 and moves in the vertical direction, meanwhile, along with the rotation of the valve rod 3, the actuating portion 50 acts with the first threaded portion 30 and moves in the vertical direction, so as to drive the plate bodies 51 arranged at two sides of the actuating portion 50 to move together, and because the pitch of the first threaded portion 30 is larger than that of the second threaded portion 31, the plate bodies 51 and the actuating portion 50 can move further upwards under the action of the first threaded portion 30 while moving along with the valve rod 3, so that the flow channel 100 is quickly opened, compared with the prior art, the space required for opening the valve plate 5 is small, the valve rod 3 can completely open the valve plate 5 with a small vertical movement space, the opening speed of the valve plate 5 is high, emergency can be effectively dealt with,
example 4:
the present embodiment provides an anti-corrosion gate valve, which includes the following technical features in addition to the technical scheme of the above embodiment, and further includes: the wear-resistant anticorrosive layer 6, the wear-resistant anticorrosive layer 6 is disposed on the inner walls of the flow channel 100 and the plate body 51.
The wear-resistant and corrosion-resistant layer 6 is a polyurethane layer.
In this embodiment, the wear-resistant and corrosion-resistant layer 6 is a polyurethane layer, so that the wear resistance of the inner wall of the flow channel 100 and the plate body 51 can be effectively improved by utilizing the characteristics of polyurethane, and meanwhile, the chemical corrosion resistance of the valve body 1 and the valve plate 5 can be improved, the valve body 1 and the valve plate 5 are prevented from being excessively corroded, and the service life of the gate valve is prolonged.
The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (6)
1. A corrosion protection gate valve, comprising:
the valve comprises a valve body (1), wherein a flow channel (100) is arranged in the valve body, and a valve cover (2) is arranged at the top end of the valve body (1);
characterized by further comprising:
a valve rod (3), wherein a first threaded part (30) and a second threaded part (31) are arranged on the valve rod (3);
the handle (4) is arranged at the top end of the valve rod (3);
a valve plate (5), wherein the valve plate (5) is arranged in the valve body (1) and is in threaded connection with the first threaded part (30);
wherein the valve rod (3) extends at least partially in the valve body (1) and is rotatable in the valve body (1), the pitch of the first thread (30) is larger than the pitch of the second thread (31), the valve rod (3) interacts with the second thread (31) to move the valve rod (3), and the valve plate (5) interacts with the first thread (30) to move the valve plate (5).
2. A corrosion protection gate valve according to claim 1, wherein: the ratio of the second threaded portion (31) to the first threaded portion (30) is between 2:1 and 3:1.
3. A corrosion protection gate valve according to claim 2, wherein: the first threaded portion (30) includes a double-start thread or a triple-start thread.
4. A corrosion protection gate valve according to claim 1, characterized in that the valve plate (5) further comprises:
the actuating part (50) is provided with a threaded inner hole;
the plate body (51) is axially arranged on two sides of the actuating part (50) along the flow channel (100);
wherein the first threaded part (30) of the valve rod (3) is in threaded connection with the threaded inner hole.
5. The anti-corrosion gate valve of claim 4, further comprising:
and the wear-resistant anticorrosive layer (6) is arranged on the inner walls of the flow channel (100) and the plate body (51).
6. The anti-corrosion gate valve according to claim 5, wherein: the wear-resistant and corrosion-resistant layer (6) is a polyurethane layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320630244.2U CN219472778U (en) | 2023-03-22 | 2023-03-22 | Corrosion-resistant gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320630244.2U CN219472778U (en) | 2023-03-22 | 2023-03-22 | Corrosion-resistant gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219472778U true CN219472778U (en) | 2023-08-04 |
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ID=87465392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320630244.2U Active CN219472778U (en) | 2023-03-22 | 2023-03-22 | Corrosion-resistant gate valve |
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| Country | Link |
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| CN (1) | CN219472778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989155A (en) * | 2023-09-28 | 2023-11-03 | 泉州市山河消防技术有限公司 | Fire control rivers signal gate valve |
-
2023
- 2023-03-22 CN CN202320630244.2U patent/CN219472778U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989155A (en) * | 2023-09-28 | 2023-11-03 | 泉州市山河消防技术有限公司 | Fire control rivers signal gate valve |
| CN116989155B (en) * | 2023-09-28 | 2023-12-22 | 泉州市山河消防技术有限公司 | Fire control rivers signal gate valve |
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| GR01 | Patent grant |