CN216555439U - Regulation type knife gate - Google Patents
Regulation type knife gate Download PDFInfo
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- CN216555439U CN216555439U CN202123274840.1U CN202123274840U CN216555439U CN 216555439 U CN216555439 U CN 216555439U CN 202123274840 U CN202123274840 U CN 202123274840U CN 216555439 U CN216555439 U CN 216555439U
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- valve
- valve plate
- knife gate
- flow
- rod
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Abstract
The utility model discloses an adjusting type knife gate valve, which comprises a valve body, a valve plate and an actuating mechanism, wherein a flow channel for fluid to pass through is arranged in the valve body, the actuating mechanism is arranged above the valve body, the valve plate is driven by the actuating mechanism to lift and lower to cut off or open the flow channel, a flow guide part is arranged in the flow channel, a conduction opening with an upward opening is formed in the flow guide part, two side walls of the conduction opening are flow-limiting inclined planes, the two flow-limiting inclined planes are respectively inclined towards one side far away from each other, and the flow guide part is matched with the valve plate to realize the opening or closing of the flow channel; the utility model enables the valve to form the flow characteristic with approximate equal percentage, and the flow accuracy is high and controllable.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to an adjustable knife gate valve.
Background
The knife-shaped gate valve is mainly used as an adjusting and intercepting device, is applied to pipelines such as tap water, sewage, buildings, petroleum, chemical engineering, food, medicine, light textile, electric power, ships, metallurgy, energy systems and the like, and changes a flat plate valve plate into a knife-shaped valve plate on the basis of a common gate valve; the knife gate valve solves the problems of large flow resistance, heavy weight, difficult installation, large occupied area and the like of valves such as common gate valves, flat gate valves, ball valves, stop valves, regulating valves, butterfly valves and the like by the advantages of small volume, small flow resistance, light weight, easy installation, easy disassembly and the like.
The existing knife gate valve flow channel is usually circular, the flow opening cannot be well controlled according to customer requirements, the opening and closing flow of the valve is not controllable, and the control precision is not high.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an adjustable knife gate valve.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an adjustment type knife gate valve, includes valve body, valve plate and actuating mechanism, be provided with the runner that supplies the fluid to pass through in the valve body, actuating mechanism installs in the valve body top, the valve plate goes up and down to cut off or open the runner under actuating mechanism's drive, be provided with the ascending conduction opening of opening in water conservancy diversion portion and the water conservancy diversion portion in the runner, the both sides wall of conduction opening is the current-limiting inclined plane, two the current-limiting inclined plane is to the lopsidedness of keeping away from each other respectively, opening or closing of runner is realized with the valve plate cooperation to water conservancy diversion portion.
As a preferable technical solution of the present invention, a V-shape is formed between the two flow restricting inclined planes.
As a preferable technical scheme of the utility model, a certain included angle is formed between the two current-limiting inclined planes, and the included angle ranges from 30 degrees to alpha less than 90 degrees.
As a preferable technical solution of the present invention, the length of the flow guide portion is equal to the length of the flow passage of the valve body.
As a preferred technical solution of the present invention, the two flow guiding portions are disposed on two sides of the valve plate respectively, and the valve plate is clamped between the two flow guiding portions.
As a preferred technical scheme of the utility model, the actuating mechanism comprises a support, an electric actuator arranged on the support and a valve rod positioned at the bottom of the support, the upper end of the valve plate extends out of the valve body and is connected with the valve rod through a bolt, support plates are arranged on two sides of the valve rod, one end of each support plate is connected with the support through a bolt, and the valve body at the other end is connected with the support through a bolt.
As a preferred technical scheme of the utility model, the lower end of the valve rod is provided with an insertion groove, the upper end of the valve plate extends into the insertion groove, the side wall of the insertion groove is provided with a connecting piece for connecting the valve plate and the valve rod, the connecting piece comprises an insertion rod and a plug, the connecting piece sequentially penetrates through the valve plate and the valve rod until the plug abuts against the side wall of the valve rod, the insertion rod is provided with a limiting hole, and a clamping piece is arranged in the limiting hole.
Compared with the prior art, the utility model has the beneficial effects that: through setting up water conservancy diversion portion and valve plate cooperation, can rise the in-process at the valve plate and increase flow aperture gradually, make the valve can form the flow characteristic of approximate equal percentage, the flow control precision is high.
Drawings
FIG. 1 is a front view of the present embodiment;
FIG. 2 is a sectional view of the present embodiment;
fig. 3 is an enlarged view of a portion a of fig. 2.
Reference numerals: 1. a valve body; 2. a valve plate; 3. an actuator; 4. a flow channel; 5. a flow guide part; 6. a conduction port; 7. a current limiting ramp; 8. a support; 9. an electric actuator; 10. a valve stem; 11. a support plate; 12. inserting grooves; 13. a connecting member; 14. a plug rod; 15. a plug; 16. a limiting hole; 17. the fastener.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
An adjustment type knife gate valve as shown in fig. 1 to 3, including valve body 1, valve plate 2 and actuating mechanism 3, be provided with the runner 4 that supplies the fluid to pass through in the valve body 1, actuating mechanism 3 installs in 1 top of valve body, valve plate 2 goes up and down to cut off or open runner 4 under actuating mechanism 3's drive, be provided with water conservancy diversion portion 5 in the runner 4 and be provided with the ascending conduction mouth 6 of opening on the water conservancy diversion portion 5, the both sides wall of conduction mouth 6 is current-limiting inclined plane 7, two current-limiting inclined plane 7 inclines to the one side of keeping away from each other respectively, opening or closing of runner 4 is realized with the cooperation of valve plate 2 to water conservancy diversion portion 5.
Through setting up water conservancy diversion portion 5 and valve plate 2 cooperation, can rise the in-process at valve plate 2 and increase flow aperture gradually, make the valve can form the flow characteristic of approximate equal percentage, the flow control precision is high.
A V-shape is formed between the two flow-limiting inclined planes 7, a certain included angle is formed between the two flow-limiting inclined planes 7, the included angle ranges from 30 degrees to 90 degrees, and the included angle between the flow-limiting inclined planes 7 in the embodiment is preferably 60 degrees.
The length of the flow guide part 5 is equal to that of the flow channel 4 of the valve body 1, the valve plate 2 is matched with the shape of the flow guide part 5, two flow guide parts 5 can be arranged and are respectively positioned on two sides of the valve plate 2, and the valve plate 2 is clamped between the two flow guide parts 5.
The end is provided with inserting groove 12 under the valve rod 10, 2 upper ends of valve plate extend to in the slot, 12 lateral walls of inserting groove are provided with connecting piece 13 that is used for connecting valve plate 2 and valve rod 10, connecting piece 13 includes inserted bar 14 and end cap 15, connecting piece 13 passes valve plate 2 and valve rod 10 in proper order until end cap 15 and valve rod 10 lateral wall looks butt, set up spacing hole 16 and spacing downthehole 16 and be provided with fastener 17 on the inserted bar 14, only need during the use pass valve plate 2 and valve rod 10 with connecting piece 13, insert in the spacing hole 16 with fastener 17 can, convenient operation.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, that the preferred embodiments of the present invention are described in the above embodiments and the description, and not intended to limit the present invention, and that various changes and modifications may be made within the scope of the utility model as claimed, which is defined by the appended claims and their equivalents, without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a regulation type knife gate valve, includes valve body (1), valve plate (2) and actuating mechanism (3), be provided with runner (4) that supply fluid to pass through in valve body (1), actuating mechanism (3) are installed in valve body (1) top, valve plate (2) go up and down to cut off or open runner (4) under actuating mechanism's (3) drive, its characterized in that: be provided with water conservancy diversion portion (5) and be provided with ascending conduction opening (6) of opening on water conservancy diversion portion (5) in runner (4), the both sides wall of conduction opening (6) is current-limiting inclined plane (7), two current-limiting inclined plane (7) are to the one side slope of keeping away from each other respectively, opening or closing of runner (4) are realized in water conservancy diversion portion (5) and valve plate (2) cooperation.
2. The regulated knife gate valve of claim 1, wherein: a V-shaped structure is formed between the two current-limiting inclined planes (7).
3. The regulated knife gate valve of claim 2, wherein: a certain included angle is formed between the two current limiting inclined planes (7), and the included angle range is 30 degrees < alpha < 90 degrees.
4. The regulated knife gate valve of claim 1, wherein: the length of the flow guide part (5) is equal to that of the flow channel (4) of the valve body (1).
5. The adjustable knife gate valve of claim 1, wherein: the flow guide parts (5) are arranged on two sides of the valve plate (2) respectively, and the valve plate (2) is clamped between the two flow guide parts (5).
6. The regulated knife gate valve of claim 1, wherein: actuating mechanism (3) include support (8), set up electric actuator (9) on support (8) and be located valve rod (10) of support (8) bottom, valve plate (2) upper end extend to valve body (1) outside and with be connected through the bolt between valve rod (10), the both sides of valve rod (10) are provided with backup pad (11), the one end and the support (8) of backup pad (11) pass through bolted connection, and other end valve body (1) passes through bolted connection.
7. The regulated knife gate valve of claim 6, wherein: the improved valve plate is characterized in that an insertion groove (12) is formed in the lower end portion of the valve rod (10), the upper end portion of the valve plate (2) extends into the insertion groove (12), a connecting piece (13) used for connecting the valve plate (2) and the valve rod (10) is arranged on the side wall of the insertion groove (12), the connecting piece (13) comprises an insertion rod (14) and a plug (15), the connecting piece (13) sequentially penetrates through the valve plate (2) and the valve rod (10) until the plug (15) is abutted to the side wall of the valve rod (10), and a limiting hole (16) and a clamping piece (17) are formed in the limiting hole (16) in the insertion rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123274840.1U CN216555439U (en) | 2021-12-23 | 2021-12-23 | Regulation type knife gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123274840.1U CN216555439U (en) | 2021-12-23 | 2021-12-23 | Regulation type knife gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216555439U true CN216555439U (en) | 2022-05-17 |
Family
ID=81556477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123274840.1U Active CN216555439U (en) | 2021-12-23 | 2021-12-23 | Regulation type knife gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216555439U (en) |
-
2021
- 2021-12-23 CN CN202123274840.1U patent/CN216555439U/en active Active
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