CN211715779U - Equal proportion sectional type flow control valve - Google Patents
Equal proportion sectional type flow control valve Download PDFInfo
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- CN211715779U CN211715779U CN201922372832.7U CN201922372832U CN211715779U CN 211715779 U CN211715779 U CN 211715779U CN 201922372832 U CN201922372832 U CN 201922372832U CN 211715779 U CN211715779 U CN 211715779U
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Abstract
The utility model discloses an equal proportion sectional flow control valve, which comprises a valve body, a valve port seat with valve port opening degree adjusting function is arranged in the valve body, a first valve port, a first inclined conical surface, a second valve port, a second inclined conical surface and a third inclined conical surface which are communicated with the inlet of the valve body are arranged on one side in the valve port seat from bottom to top, an execution unit is arranged above the valve port seat, the execution unit comprises a valve rod seat and a valve rod, a valve port press ring which is tightly matched with the upper end of the valve port seat is fixed at the lower end of the valve rod seat through screws, a first through hole which is communicated with the outlet is arranged on the valve port press ring, the first through hole is communicated with the valve port seat, the valve port seat is arranged above the third inclined conical surface, the lower end of the valve rod penetrates through the valve port press ring and is arranged in the valve port seat, the end part of the lower end of the valve rod is tightly jointed with, the spring sleeved outside the valve rod is arranged in the valve rod seat, and sectional control can be realized by the structure.
Description
Technical Field
The utility model relates to a technical field of valve body especially relates to an equal proportion sectional type flow control valve.
Background
The flow control of the existing valve is generally realized by adopting the size of a valve port which is simply opened to control the flow, but the flow needs to be controlled in a segmented mode or regulated linearly in some occasions, and at the moment, the valve cannot meet the requirement.
Disclosure of Invention
An object of the utility model is to provide a change through the inclination anchor ring of difference comes control flow in the valve port, can realize the equal proportion sectional type flow control valve of sectional control.
In order to achieve the above object, the utility model provides a following technical scheme: an equal proportion sectional flow control valve comprises a valve body, wherein an inlet and an outlet are arranged on the valve body, a valve port seat with the opening degree of a valve port is arranged in the valve body, a first valve port, a first inclined conical surface, a second valve port, a second inclined conical surface and a third inclined conical surface which are communicated with the inlet are arranged on one side in the valve port seat from bottom to top, the caliber of the first valve port is smaller than that of the second valve port, the caliber of an upper opening of the second inclined conical surface is smaller than that of a lower opening of the third inclined conical surface, an execution unit for controlling the opening or closing of the valve port is arranged above the valve port seat and comprises a valve rod seat and a valve rod, a valve port press ring which is tightly matched with the upper end of the valve port seat is fixed at the lower end of the valve rod seat through screws, a first through hole communicated with the outlet is arranged on the valve port press ring, the first through hole is communicated with, the valve rod seat is provided with the valve rod, the lower end of the valve rod penetrates through the valve port compression ring and then is arranged in the valve port seat, the end part of the lower end of the valve rod is tightly attached to the inner wall of the first valve port in a closed state, the upper end of the valve rod extends out of the valve rod seat and is connected with an actuator driving the valve rod to move up and down, a spring sleeved outside the valve rod is arranged in the valve rod seat, one end of the spring is abutted to the upper end face of the valve port compression ring, and the other end of the spring is abutted to a sealing packing layer in the valve rod seat through.
Further, improve sealed effect, valve port seat outside cover has first sealing washer.
Further, improve sealed effect, valve port seat part stretches into in the valve body to and be equipped with the second sealing washer between the valve body.
Furthermore, the dustproof effect is improved, and a dustproof ring is arranged below the valve rod through hole penetrating through the valve rod in the valve rod seat.
Compared with the prior art, the structure controls the change of flow through different slope ring surfaces in the valve port, and finally realizes the process of sectional control.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing an internal structure of an equal-proportion sectional type flow control valve in the embodiment 1;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial schematic structural view of the valve stem and the valve port when the valve port of embodiment 1 is closed;
FIG. 4 is a partial structural schematic view of the valve stem and the valve port in the first inclined plane in the valve port of embodiment 1;
FIG. 5 is a partial structural view of the valve stem and the valve port when the valve port of embodiment 1 is at the second section of the inclined surface.
In the figure: the valve comprises a valve body 1, an inlet 1-1, an outlet 1-2, a valve port seat 2, a first valve port 2-1, a first inclined conical surface 2-2, a second valve port 2-3, a second inclined conical surface 2-4, a third inclined conical surface 2-5, a valve rod seat 3, a spring 4, a pressing ring packing layer 5, a sealing packing layer 6, a dustproof ring 7, an actuator 8, a valve port pressing ring 9, a valve rod 10, a first through hole 11, a first sealing ring 12 and a second sealing ring 13.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples:
example 1:
as shown in fig. 1-2, the proportional-segment flow control valve provided in this embodiment includes a valve body 1, an inlet 1-1 and an outlet 1-2 are provided on the valve body 1, a valve seat 2 with a valve opening adjusting function is provided in the valve body 1, a first valve port 2-1, a first inclined conical surface 2-2, a second valve port 2-3, a second inclined conical surface 2-4, and a third inclined conical surface 2-5 are provided in the valve seat 2 from bottom to top, the first valve port 2-1 is smaller than the second valve port 2-3, the second inclined conical surface 2-4 has an upper opening diameter smaller than the lower opening diameter of the third inclined conical surface 2-5, an execution unit for controlling the opening or closing of the valve port is provided above the valve seat 2, and the execution unit includes a valve rod seat 3, a valve rod seat 2, A valve rod 10, a valve port press ring 9 which is tightly matched with the upper end of the valve port seat 2 is fixed at the lower end of the valve rod seat 3 through screws, a first through hole 11 communicated with the outlet 1-2 is arranged on the valve port press ring 9, the first through hole 11 is communicated with the valve port seat 2, the valve port seat 2 is positioned above the third inclined conical surface 2-5, the valve rod 10 is arranged on the valve rod seat 3, the lower end of the valve rod 10 penetrates through the valve port press ring 9 and then is arranged in the valve port seat 2, and the end part of the lower end of the valve rod 10 is tightly attached to the inner wall of the first valve port 2-1 in a closed state, the upper end of the valve rod 10 extends out of the valve rod seat 3 and is connected with an actuator 8 which drives the valve rod 10 to move up and down, a spring 4 sleeved outside the valve rod 10 is arranged in the valve rod seat 3, one end of the spring 4 is propped against the upper end face of the valve port press ring 9, the other end of the spring 4 is propped against a sealing packing layer 6 in the valve rod seat 3 through a compression ring packing layer 5.
Further, the sealing effect is improved, and the first sealing ring 12 is sleeved outside the valve port seat 2.
Further, improve sealed effect, valve port seat 2 part is stretched into in the valve body 1 to and valve body 1 between be equipped with second sealing washer 13.
Further, a dust-proof ring 7 is provided below a through hole of the valve stem 10 penetrating the valve stem 10 in the valve stem base 3 to improve a dust-proof effect.
As shown in fig. 3, 4, and 5, first, when the inner wall of the first valve port 2-1 is in close contact with the valve rod 10, the valve is in a closed state, as shown in fig. 3, then the valve rod 10 moves upward, the first valve port 2-1 is opened, at this time, the inlet 1-1 and the outlet 1-2 are communicated through the cooperation of the valve port and the first through hole 11, when the valve rod 10 moves upward slowly at a constant speed, the first section of inclined surface in the valve port seat 2, i.e., the opening degree of the first inclined conical surface 2-2 and the valve rod 10, increases in an equal proportion, and at this time, the flow rate increases in an equal proportion (the equal proportion in the design is that the valve design adopts a shut-off valve structure, and has a linear flow rate characteristic, which is a conventional technology in the field and therefore not described in detail), the slope; when the valve port is opened to a certain degree, the opening degree of the valve port enters a second section of inclined surface, namely a second inclined conical surface 2-4, the slope of the valve port is increased, so that the flow change is accelerated, the valve port enters a quick opening mode, but the ratio is changed, until the valve port enters a third section of inclined surface, namely a third inclined conical surface 2-5, and the valve port basically enters the whole full opening flow of the valve port; if the displacement of the valve rod adopts a sectional type jumping position, the sectional type equal proportion control of the flow can be realized. The valve port compression ring 2 is connected with the valve rod seat 3 through threads, and the sealing packing 6 is used for sealing a gap when the valve rod 10 moves; the spring force of the spring 4 acts on the packing compression ring 5, and then the sealing packing 6 is compressed, so that enough compression amount of the sealing is ensured; the valve rod seat 3 is connected with the valve body 1 through threads, the valve port pressing ring 9 compresses the valve port, the actuator 8 provides switching power for the valve, namely, the up-down movement distance of the valve rod 10, namely the opening degree of the valve port, is controlled, therefore, the structural design controls the change of flow through different slope ring surfaces in the valve port, and finally, the process of sectional control is realized.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides an equal proportion sectional type flow control valve, includes valve body (1), is equipped with import (1-1) and export (1-2) on valve body (1), its characterized in that: a valve port seat (2) with a valve port opening degree adjusting function is arranged in the valve body (1), a first valve port (2-1), a first inclined conical surface (2-2), a second valve port (2-3), a second inclined conical surface (2-4) and a third inclined conical surface (2-5) which are communicated with the inlet (1-1) are arranged on one side in the valve port seat (2) from bottom to top, the caliber of the first valve port (2-1) is smaller than that of the second valve port (2-3), the upper opening caliber of the second inclined conical surface (2-4) is smaller than the lower opening caliber of the third inclined conical surface (2-5), an execution unit for controlling the opening or closing of the valve port is arranged above the valve port seat (2) and comprises a valve rod seat (3) and a valve rod (10), a valve port pressing ring (9) which is tightly matched with the upper end of the valve port seat (2) is fixed at the lower end of the valve rod seat (3) through screws, a first through hole (11) communicated with an outlet (1-2) is formed in the valve port pressing ring (9), the first through hole (11) is communicated with the valve port seat (2), the valve port seat (2) is located above a third inclined conical surface (2-5), the valve rod (10) is arranged on the valve rod seat (3), the lower end of the valve rod (10) penetrates through the valve port pressing ring (9) and then is arranged in the valve port seat (2), the end part of the lower end of the valve rod (10) is tightly attached to the inner wall of the first valve port (2-1) in a closed state, the upper end of the valve rod (10) extends out of the valve rod seat (3) and is connected with an actuator (8) driving the valve rod (10) to move up and down, a spring (4) sleeved outside the valve rod (10) is arranged in the valve rod seat (3), one end of the spring (4) is abutted to the upper end surface of the valve port pressing ring (9), and the other end of the spring (4) is connected with a sealing material (6) in the valve And (6) carrying out the operation.
2. The proportional segmented flow control valve of claim 1, wherein: the valve port seat (2) is externally sleeved with a first sealing ring (12).
3. A proportional segmented flow control valve as claimed in claim 1 or claim 2 wherein: the valve port seat (2) partially extends into the valve body (1), and a second sealing ring (13) is arranged between the valve port seat and the valve body (1).
4. A proportional segmented flow control valve as claimed in claim 1 or claim 2 wherein: a dust-proof ring (7) is arranged in the valve rod seat (3) and below a through hole of the valve rod (10) which penetrates through the valve rod (10).
5. The proportional segmented flow control valve of claim 3, wherein: a dust-proof ring (7) is arranged in the valve rod seat (3) and below a through hole of the valve rod (10) which penetrates through the valve rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922372832.7U CN211715779U (en) | 2019-12-26 | 2019-12-26 | Equal proportion sectional type flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922372832.7U CN211715779U (en) | 2019-12-26 | 2019-12-26 | Equal proportion sectional type flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211715779U true CN211715779U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922372832.7U Active CN211715779U (en) | 2019-12-26 | 2019-12-26 | Equal proportion sectional type flow control valve |
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| Country | Link |
|---|---|
| CN (1) | CN211715779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024022000A1 (en) * | 2022-07-27 | 2024-02-01 | 广东威灵电机制造有限公司 | Electronic expansion valve assembly, electronic expansion valve, and refrigeration appliance |
-
2019
- 2019-12-26 CN CN201922372832.7U patent/CN211715779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024022000A1 (en) * | 2022-07-27 | 2024-02-01 | 广东威灵电机制造有限公司 | Electronic expansion valve assembly, electronic expansion valve, and refrigeration appliance |
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