CN215635203U - Pressure regulating valve - Google Patents
Pressure regulating valve Download PDFInfo
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- CN215635203U CN215635203U CN202122082857.0U CN202122082857U CN215635203U CN 215635203 U CN215635203 U CN 215635203U CN 202122082857 U CN202122082857 U CN 202122082857U CN 215635203 U CN215635203 U CN 215635203U
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Abstract
The utility model relates to the technical field of valves and discloses a pressure regulating valve. The pressure regulating valve comprises an outer valve body, an inner valve body, a pressure regulating assembly and a protecting piece, wherein the inner valve body is installed in an inner cavity of the outer valve body, the pressure regulating assembly comprises a plugging valve core, a first pressure regulating piece and a second pressure regulating piece, a plugging cavity is formed between the first pressure regulating piece and the second pressure regulating piece in an enclosing mode, the second pressure regulating piece is provided with a pressure regulating cavity, the pressure regulating cavity is communicated with an output channel, a plurality of first flow through holes are formed in the first pressure regulating piece, a plurality of second flow through holes are formed in the second pressure regulating piece, the first flow through holes and the second flow through holes can be communicated, the first flow through holes can be communicated with the inner cavity, the plugging valve core can be slidably arranged in the inner valve body and in the plugging cavity, the plugging valve core can block partial first flow through holes and partial second flow through holes, and the protecting piece is arranged in the pressure regulating cavity. Due to the arrangement of the protection piece, the direct impact of the fluid to be transported on the cavity wall of the pressure regulating cavity is avoided, and the accuracy of the pressure regulating precision of the pressure regulating valve on the air pressure is ensured.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a pressure regulating valve.
Background
A pressure regulating valve is a flow regulating device for controlling the direction, pressure, flow rate, etc. of a fluid, and is commonly used in pipeline transportation. The existing pressure regulating valve can erode holes of components in the pressure regulating valve due to the fact that the air pressure of fluid to be transported is large, so that the aperture of the holes is increased, and the regulating precision of the pressure regulating valve on the air pressure is reduced.
Therefore, it is desirable to provide a pressure regulating valve to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on the above, the present invention is directed to a pressure regulating valve, so as to solve the problem of low regulating accuracy of the conventional pressure regulating valve due to the increase of the hole diameter.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a pressure regulating valve comprising:
an outer valve body having an inner cavity configured to communicate a fluid to be transported and an output passage;
an inner valve body mounted within the inner cavity;
the pressure regulating assembly comprises a plugging valve core, a first pressure regulating part and a second pressure regulating part, the first pressure regulating part and the second pressure regulating part are concentrically arranged in the inner cavity, a plugging cavity is defined between the first pressure regulating part and the second pressure regulating part, the second pressure regulating part is provided with a pressure regulating cavity, the pressure regulating cavity is communicated with the output channel, the first pressure regulating part is provided with a plurality of first flow through holes, the second pressure regulating part is provided with a plurality of second flow through holes, the first flow through holes can be communicated with the inner cavity, the plugging valve core can be slidably arranged in the inner valve body and in the plugging cavity, and the plugging valve core can plug part of the first flow through holes and part of the second flow through holes;
and the protecting piece is arranged in the pressure regulating cavity.
Further, the pressure regulating assembly further comprises a hydraulic cylinder, the hydraulic cylinder is installed in the inner valve body, and the telescopic end of the hydraulic cylinder is connected with the plugging valve core.
Further, the inner valve body is provided with a telescopic cavity, and the hydraulic cylinder is installed in the telescopic cavity.
Further, the pressure regulating assembly further comprises a connecting piece, one end of the connecting piece is connected with the telescopic end of the hydraulic cylinder, and the other end of the connecting piece is connected with the plugging valve core.
Furthermore, the first flow through holes and the second flow through holes are arranged in a one-to-one correspondence manner and are arranged oppositely.
Further, the pressure regulating valve further comprises a first mounting part, the first mounting part is mounted in the inner cavity, and the first pressure regulating part is mounted on the first mounting part.
Furthermore, a first mounting groove is formed in the cavity wall of the inner cavity, and the first mounting piece is mounted in the first mounting groove.
Further, the pressure regulating valve further comprises a second mounting part, the second mounting part is mounted in the inner cavity, and the second pressure regulating part is mounted on the second mounting part.
Furthermore, a second mounting groove is formed in the cavity wall of the inner cavity, and the second mounting piece is mounted in the second mounting groove.
The utility model has the beneficial effects that:
the utility model provides a pressure regulating valve, which comprises an outer valve body, an inner valve body, a pressure regulating assembly and a protecting piece, wherein the outer valve body is provided with an inner cavity and an output channel, the inner cavity is configured to circulate fluid to be transported, the inner valve body is arranged in the inner cavity, the pressure regulating assembly comprises a plugging valve core, a first pressure regulating piece and a second pressure regulating piece, the first pressure regulating piece and the second pressure regulating piece are concentrically arranged in the inner cavity, a plugging cavity is formed between the first pressure regulating piece and the second pressure regulating piece, the second pressure regulating piece is provided with a pressure regulating cavity, the pressure regulating cavity is communicated with the output channel, the first pressure regulating piece is provided with a plurality of first flow through holes, the second pressure regulating piece is provided with a plurality of second flow through holes, the first flow through holes can be communicated with the inner cavity, the plugging valve core is slidably arranged in the inner valve body and in the plugging cavity, and the plugging valve core can plug part of the first flow through holes and the second flow through holes, the protection piece is arranged in the pressure regulating cavity. The fluid to be transported enters the inner cavity, flows into the plugging cavity through the first flow through hole, then flows into the pressure regulating cavity through the second flow through hole, and finally flows out of the output channel. The valve core is blocked by sliding, so that the number of the first flow through holes and the second flow through holes blocked by the valve core is adjusted, the flow area and the flow rate of the fluid to be transported are adjusted, and the purpose of adjusting the pressure is achieved. Due to the arrangement of the protection piece, the situation that the fluid to be transported directly impacts the cavity wall of the pressure regulating cavity is avoided, the erosion force on the first pressure regulating piece and the second pressure regulating piece is reduced, the aperture increase of the first flow through hole and the aperture increase of the second flow through hole are avoided, and the accuracy of the pressure regulating valve in regulating the air pressure is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
FIG. 1 is a schematic structural diagram of a pressure regulating valve provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along A-A in FIG. 1;
fig. 3 is a partially enlarged view at B in fig. 1.
In the figure:
1-an outer valve body; 2-an inner valve body; 3-a voltage regulation component; 4-a protective element; 5-a first mount; 6-a second mount;
11-lumen; 12-an output channel; 13-a first mounting groove; 14-a second mounting groove; 21-a telescopic cavity; 31-plugging the valve core; 32-a first pressure regulating member; 33-a second pressure regulating member; 34-a hydraulic cylinder; 35-blocking the cavity; 36-a pressure regulating cavity; 37-a connector;
321-a first flow through hole; 331-second flow through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with 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 technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 3, the present embodiment provides a pressure regulating valve, which includes an outer valve body 1, an inner valve body 2, a pressure regulating assembly 3 and a protecting member 4, wherein the outer valve body 1 has an inner cavity 11 and an output passage 12, the inner cavity 11 is configured to circulate a fluid to be transported, the inner valve body 2 is installed in the inner cavity 11, the pressure regulating assembly 3 includes a shutoff valve core 31, a first pressure regulating member 32 and a second pressure regulating member 33, the first pressure regulating member 32 and the second pressure regulating member 33 are concentrically installed in the inner cavity 11, a shutoff chamber 35 is enclosed between the first pressure regulating member 32 and the second pressure regulating member 33, the second pressure regulating member 33 has a pressure regulating chamber 36, the pressure regulating chamber 36 is communicated with the output passage 12, a plurality of first flow through holes 321 are opened on the first pressure regulating member 32, a plurality of second flow through holes 331 are opened on the second pressure regulating member 33, the first flow through holes 321 and the second flow through holes 331 can be communicated, the first flow through holes 321 can be communicated with the inner cavity 11, the shutoff valve spool 31 is slidably disposed in the inner valve body 2 and in the shutoff chamber 35, the shutoff valve spool 31 being capable of shutting off part of the first flow through hole 321 and the second flow through hole 331, and the protector 4 being disposed in the pressure regulating chamber 36. The fluid to be transported enters the inner cavity 11, flows into the blocking cavity 35 through the first flow through hole 321, flows into the pressure regulating cavity 36 through the second flow through hole 331, and finally flows out of the output channel 12. The number of the first flow through holes 321 and the second flow through holes 331 blocked by the blocking valve core 31 is adjusted by sliding the blocking valve core 31, so that the flow area and the flow rate of the fluid to be transported are adjusted, and the purpose of adjusting the pressure is achieved. The protection member 4 prevents the fluid to be transported from directly impacting the cavity wall of the pressure regulating cavity 36, reduces the erosion force on the first pressure regulating member 32 and the second pressure regulating member 33, prevents the aperture of the first flow through hole 321 and the aperture of the second flow through hole 331 from increasing, and ensures the accuracy of the pressure regulating valve in regulating the air pressure.
In the present embodiment, the number of the protection members 4 is plural, and the installation positions of the plurality of protection members 4 may be irregularly arranged, may be obliquely arranged, and the inclination angle is not limited as long as the fluid to be transported can be prevented from directly impacting the cavity wall of the pressure regulating cavity 36.
As shown in fig. 1, the pressure regulating assembly 3 further includes a hydraulic cylinder 34, the hydraulic cylinder 34 is installed in the inner valve body 2, and the telescopic end of the hydraulic cylinder 34 is connected with the shutoff valve core 31. The telescopic end of the hydraulic cylinder 34 extends and retracts to drive the plugging valve core 31 to move so as to adjust the depth of the plugging valve core 31 inserted into the plugging cavity 35, thereby adjusting the number of the first flow through holes 321 and the second flow through holes 331 plugged by the plugging valve core 31, further adjusting the flow area and the flow rate of the fluid to be transported, and further achieving the purpose of adjusting the pressure.
Further, the inner valve body 2 has an expansion chamber 21, the hydraulic cylinder 34 is installed in the expansion chamber 21, and the shutoff valve member 31 is slidably disposed in the expansion chamber 21.
Further, the pressure regulating assembly 3 further comprises a connecting piece 37, one end of the connecting piece 37 is connected with the telescopic end of the hydraulic cylinder 34, and the other end of the connecting piece 37 is connected with the plugging valve core 31.
As shown in fig. 1 and 2, the first flow holes 321 and the second flow holes 331 are disposed in one-to-one correspondence and are opposite to each other.
Further, the first pressure regulating member 32 and the second pressure regulating member 33 are both cylindrical and concentrically disposed in the inner cavity 11, a gap is left between the first pressure regulating member 32 and the second pressure regulating member 33, the gap forms a blocking cavity 35, and the first flow through hole 321 and the second flow through hole 331 are communicated through the blocking cavity 35. When part of the plugging valve core 31 enters the plugging cavity 35, part of the communication channels of the first flow through hole 321 and the second flow through hole 331 can be blocked, so that the flow area and the flow rate of the fluid to be transported are adjusted, and the purpose of adjusting the pressure is achieved.
As shown in fig. 3, the pressure regulating valve further includes a first mounting member 5, the first mounting member 5 being mounted in the inner cavity 11, and a first pressure regulating member 32 being mounted on the first mounting member 5.
Further, a first mounting groove 13 is formed in the wall of the inner cavity 11, and the first mounting part 5 is mounted in the first mounting groove 13.
Further, the pressure regulating valve further comprises a second mounting member 6, the second mounting member 6 is mounted in the inner cavity 11, and the second pressure regulating member 33 is mounted on the second mounting member 6.
Further, a second mounting groove 14 is formed in the wall of the inner cavity 11, and the second mounting member 6 is mounted in the second mounting groove 14.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. A pressure regulating valve, comprising:
an outer valve body (1) having an inner cavity (11) and an output channel (12), the inner cavity (11) being configured to circulate a fluid to be transported;
an inner valve body (2) mounted in the inner cavity (11);
the pressure regulating assembly (3) comprises a blocking valve core (31), a first pressure regulating part (32) and a second pressure regulating part (33), the first pressure regulating part (32) and the second pressure regulating part (33) are concentrically arranged in the inner cavity (11), a blocking cavity (35) is defined between the first pressure regulating part (32) and the second pressure regulating part (33), the second pressure regulating part (33) is provided with a pressure regulating cavity (36), the pressure regulating cavity (36) is communicated with the output channel (12), a plurality of first flow through holes (321) are formed in the first pressure regulating part (32), a plurality of second flow through holes (331) are formed in the second pressure regulating part (33), the first flow through holes (321) can be communicated with the second flow through holes (331), the first flow through holes (321) can be communicated with the inner cavity (11), and the blocking valve core (31) is slidably arranged in the inner valve body (2) and in the blocking cavity (35), the shutoff valve body (31) can partially block the first flow through hole (321) and the second flow through hole (331);
a protection member (4) disposed within the pressure regulating chamber (36).
2. The pressure regulating valve according to claim 1, wherein the pressure regulating assembly (3) further comprises a hydraulic cylinder (34), the hydraulic cylinder (34) is installed in the inner valve body (2), and a telescopic end of the hydraulic cylinder (34) is connected with the blocking valve core (31).
3. Pressure regulating valve according to claim 2, characterized in that the inner valve body (2) has a telescopic chamber (21), the hydraulic cylinder (34) being mounted in the telescopic chamber (21), the shutoff valve spool (31) being slidably arranged in the telescopic chamber (21).
4. The pressure regulating valve according to claim 2, wherein the pressure regulating assembly (3) further comprises a connecting member (37), one end of the connecting member (37) is connected with the telescopic end of the hydraulic cylinder (34), and the other end is connected with the shutoff valve spool (31).
5. The pressure-regulating valve according to claim 1, wherein the first flow holes (321) and the second flow holes (331) are provided in one-to-one correspondence and are arranged facing each other.
6. The pressure-regulating valve of claim 1, further comprising a first mounting member (5), the first mounting member (5) being mounted within the internal cavity (11), the first pressure regulating member (32) being mounted on the first mounting member (5).
7. The pressure regulating valve according to claim 6, wherein a first mounting groove (13) is formed in the wall of the inner cavity (11), and the first mounting member (5) is mounted in the first mounting groove (13).
8. A pressure-regulating valve according to claim 1, further comprising a second mounting member (6), said second mounting member (6) being mounted in said internal cavity (11), said second pressure regulating member (33) being mounted on said second mounting member (6).
9. The pressure regulating valve according to claim 8, wherein a second mounting groove (14) is formed in the wall of the inner cavity (11), and the second mounting member (6) is mounted in the second mounting groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122082857.0U CN215635203U (en) | 2021-08-31 | 2021-08-31 | Pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122082857.0U CN215635203U (en) | 2021-08-31 | 2021-08-31 | Pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215635203U true CN215635203U (en) | 2022-01-25 |
Family
ID=79904871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122082857.0U Active CN215635203U (en) | 2021-08-31 | 2021-08-31 | Pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215635203U (en) |
-
2021
- 2021-08-31 CN CN202122082857.0U patent/CN215635203U/en active Active
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