CN216306370U - Novel one-way valve for controlling fluid direction in hydraulic system - Google Patents
Novel one-way valve for controlling fluid direction in hydraulic system Download PDFInfo
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- CN216306370U CN216306370U CN202122913860.2U CN202122913860U CN216306370U CN 216306370 U CN216306370 U CN 216306370U CN 202122913860 U CN202122913860 U CN 202122913860U CN 216306370 U CN216306370 U CN 216306370U
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- valve core
- hydraulic system
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Abstract
The utility model discloses a novel one-way valve for controlling the direction of fluid in a hydraulic system, which solves the problems of poor impact resistance effect and slow reaction speed of a valve core of the one-way valve of the hydraulic system, and has the technical scheme that: the valve comprises a valve body, a valve core and a valve body, and is characterized in that a movable cavity is arranged at the bottom of the valve core, a spring is arranged in the movable cavity, a round platform area is arranged at the top of the valve core, an inclined plane is arranged at the position where the valve body contacts with the round platform area, a clamping groove is formed in the side face of the round platform area, a buffering sealing ring is arranged in the clamping groove, the outer side of the buffering sealing ring slightly protrudes out of the side face of the round platform area, the buffering sealing ring can contact with the inclined plane, a flow passage is formed in the valve body, two ends of the flow passage are respectively communicated with a liquid outlet channel and the movable cavity, and the purpose of increasing the impact resistance effect and the reaction speed of the valve core is achieved.
Description
Technical Field
The utility model belongs to the technical field of hydraulic control, and particularly relates to a novel one-way valve for controlling the direction of fluid in a hydraulic system.
Background
The check valve is used as a valve for controlling the flowing direction of oil in a hydraulic system, and mainly has the main function of controlling the oil to flow in one direction, the structure and the working principle of the check valve are simpler, but the check valve is one of more elements applied in the hydraulic system, and the correct and reasonable selection and application of the check valve can enable the hydraulic system to meet different working occasions.
However, in the working process of the existing check valve, the check valve collides with the valve body when being closed, the sealing effect between the valve body and the valve core can be affected after long-time collision, and moreover, when the flow direction of liquid is suddenly changed, the valve core is only closed under the action of a spring, but when the pressure of the liquid flowing reversely is large, the liquid flowing reversely is blocked in the closing process of the valve core, and the closing efficiency of the valve core is affected.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a novel one-way valve capable of slowing down impact and rapidly reacting.
The purpose of the utility model is realized as follows: the utility model provides a novel check valve of control fluid direction in hydraulic system, includes the valve body, the valve body is provided with case, inlet channel and liquid outlet channel, the case is located between inlet channel and the liquid outlet channel, case and valve body clearance fit, the case bottom is provided with movable chamber, the activity intracavity is provided with the spring, the case top is provided with round platform district, the position that the valve body contacted with round platform district is provided with the inclined plane, round platform district side is provided with the draw-in groove, be provided with the buffering sealing washer in the draw-in groove, slightly salient in round platform district side in the buffering sealing washer outside, and the buffering sealing washer can contact with the inclined plane, the valve body seted up the runner, the runner both ends communicate with liquid outlet channel and activity chamber respectively.
Further, a spring seat is arranged at the bottom of the spring and is in threaded connection with the valve body.
Further, the inner diameter of the buffering sealing ring is larger than 2% -4% of the outer diameter of the clamping groove.
Further, the cross-sectional area of the flow channel is 2% -10% of that of the liquid outlet channel.
Furthermore, the included angle between the side surface of the circular table area and the vertical direction is 10-60 degrees.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that: the structure of the traditional one-way valve is improved, the buffer sealing ring is added at the joint of the valve core and the valve body, the mutual collision and abrasion of the traditional two rigid bodies are avoided, the impact resistance effect and the sealing performance are improved, the service life of the one-way valve is prolonged, and meanwhile, when the valve core is reversely cut off, hydraulic energy can be utilized by the flow channel to reversely act on the valve core, so that the acting force is larger when the valve core is reversely cut off, and the reaction speed is higher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cartridge configuration of the present invention;
fig. 3 is an enlarged schematic view at a in fig. 1.
In the figure: 1. a valve core; 2. a buffer sealing ring; 3. a spring; 4. a valve body; 5. a spring seat; 6. a flow channel; 7. a movable cavity; 8. a liquid outlet channel; 9. a liquid inlet channel; 10. a circular platform area; 11. an inclined surface; 12. a clamping groove.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, with reference to the drawings in the embodiments of the present invention, clearly and completely describes the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a novel check valve for controlling the direction of fluid in a hydraulic system, which comprises a valve body 4, wherein the valve body 4 is provided with a valve core 1, a liquid inlet channel 9 and a liquid outlet channel 8, the valve core 1 is positioned between the liquid inlet channel 9 and the liquid outlet channel 8, the valve core 1 is in clearance fit with the valve body 4, when the fluid flows in a normal direction, the fluid enters from the liquid inlet channel 9 and is led out from the liquid outlet channel 8 after passing through the valve core 1, when the fluid flows through the valve core 1, the valve core 1 extrudes a spring 3 under the action of hydraulic pressure to open the valve core 1, the bottom of the valve core 1 is provided with a movable cavity 7, the movable cavity 7 is internally provided with a spring 3, the top of the valve core 1 is provided with a circular platform area 10, the included angle between the side surface of the circular platform area 10 and the vertical direction is 10-60 degrees, the circular platform area 10 and the valve core 1 are of an integrated structure and can be directly processed at the top of the valve core 1, the valve body 4 is provided with an inclined surface 11 in the position contacted with the circular platform area 10, the shape of the inclined plane 11 is matched with the shape of the circular truncated cone area 10, a clamping groove 12 is arranged on the side face of the circular truncated cone area 10, a buffer sealing ring 2 is arranged in the clamping groove 12, the buffer sealing ring 2 can be a rubber ring, the inner diameter of the buffer sealing ring 2 is larger than 2% -4% of the outer diameter of the clamping groove 12, the outer side of the buffer sealing ring 2 slightly protrudes out of the side face of the circular truncated cone area 10, when the valve core 1 contacts with the valve body 4, the buffer sealing ring 2 can contact with the valve body 4 to play a buffer role, after the valve core 1 is completely closed, the valve core 1 and the valve body 4 are mutually extruded, the buffer sealing ring 2 can play a sealing role, the buffer sealing ring 2 can contact with the inclined plane 11, the valve body 4 is provided with a flow channel 6, two ends of the flow channel 6 are respectively communicated with the liquid outlet channel 8 and the movable cavity 7, the cross-sectional area of the flow channel 6 is 2% -10% of the cross-sectional area of the liquid outlet channel 8, the bottom of the spring 3 is provided with a spring seat 5, and the spring seat 5) is in threaded connection with the valve body 4.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Claims (5)
1. A novel check valve for controlling the direction of fluid in a hydraulic system comprises a valve body (4), wherein the valve body (4) is provided with a valve core (1), a liquid inlet channel (9) and a liquid outlet channel (8), the valve core (1) is positioned between the liquid inlet channel (9) and the liquid outlet channel (8), and the valve core (1) is in clearance fit with the valve body (4), the check valve is characterized in that a movable cavity (7) is arranged at the bottom of the valve core (1), a spring (3) is arranged in the movable cavity (7), a circular platform area (10) is arranged at the top of the valve core (1), an inclined plane (11) is arranged at the position where the valve body (4) is contacted with the circular platform area (10), a clamping groove (12) is arranged on the side surface of the circular platform area (10), a buffer sealing ring (2) is arranged in the clamping groove (12), and the outer side of the buffer sealing ring (2) slightly protrudes out of the side surface of the circular platform area (10), and the buffer sealing ring (2) can be contacted with the inclined surface (11), the valve body (4) is provided with a flow channel (6), and two ends of the flow channel (6) are respectively communicated with the liquid outlet channel (8) and the movable cavity (7).
2. The novel check valve for controlling the direction of fluid in a hydraulic system according to claim 1, characterized in that a spring seat (5) is arranged at the bottom of the spring (3), and the spring seat (5) is in threaded connection with the valve body (4).
3. The new check valve for controlling the direction of fluid in a hydraulic system as set forth in claim 1, characterized in that the inner diameter of the cushion seal ring (2) is greater than 2% -4% of the outer diameter of the clamp groove (12).
4. A new type of non return valve for controlling the direction of flow in a hydraulic system according to claim 1, characterized in that the cross sectional area of the flow channel (6) is 2-10% of the cross sectional area of the outlet channel (8).
5. A new check valve for controlling the direction of fluid in a hydraulic system according to claim 1, characterized in that the side of the land (10) is angled 10 ° -60 ° from the vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122913860.2U CN216306370U (en) | 2021-11-25 | 2021-11-25 | Novel one-way valve for controlling fluid direction in hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122913860.2U CN216306370U (en) | 2021-11-25 | 2021-11-25 | Novel one-way valve for controlling fluid direction in hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306370U true CN216306370U (en) | 2022-04-15 |
Family
ID=81122442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122913860.2U Active CN216306370U (en) | 2021-11-25 | 2021-11-25 | Novel one-way valve for controlling fluid direction in hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306370U (en) |
-
2021
- 2021-11-25 CN CN202122913860.2U patent/CN216306370U/en active Active
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