CN220060650U - One-way valve - Google Patents
One-way valve Download PDFInfo
- Publication number
- CN220060650U CN220060650U CN202321588353.9U CN202321588353U CN220060650U CN 220060650 U CN220060650 U CN 220060650U CN 202321588353 U CN202321588353 U CN 202321588353U CN 220060650 U CN220060650 U CN 220060650U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve core
- convex ring
- positioning seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model relates to a one-way valve, which comprises a left valve body, a right valve body and a valve core, wherein the left valve body and the right valve body form a valve cavity, the valve core is positioned in the valve cavity, guide ribs which are distributed at intervals are arranged on the inner wall of the right valve body, the valve core can slide along the guide ribs, the valve core comprises a sealing element and a positioning seat, an elastic element is arranged between the positioning seat and the right valve body, an abutting surface which abuts against the sealing element is arranged on the left valve body, and the abutting surface is arranged at an inclined angle. The valve core diameter and the outer diameter of the elastic piece are matched with the inner diameter of a ring formed by the interval guide ribs through the compression elastic piece arranged between the valve core and the right valve body, and the valve core moves back and forth along the guide ribs to realize the opening and closing of the one-way valve; the surface of the left valve body, which is abutted against the sealing element, is obliquely arranged, and a linear sealing arrangement is adopted, so that the sealing life is prolonged, and the sealing effect is ensured; the two sides of the valve core are both conical surfaces, so that the fluid resistance is reduced in the opening and closing process of the valve core, and the valve core is smoothly opened or closed.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a one-way valve.
Background
Valves are widely used as an important component in plumbing connections. The one-way valve is a one-way valve, which is commonly called as a check valve, in which fluid can only flow along the water inlet, but the medium at the water outlet cannot flow back. The existing check valve is shown in figure 1, the valve core 3 is connected with the rod body 02, one end of the rod body 02 far away from the valve core 3 passes through the positioning piece 03, the positioning piece consists of an inner ring 04, an outer ring and reinforcing ribs for connecting the inner ring and the outer ring, the rod body 02 passes through the inner ring 04, fluid passes through a hole 05 on the positioning piece 03, and the structure is characterized in that: a positioning piece is used for blocking the fluid and influencing the flow; the two check valves can only be longitudinally installed, if the check valves are transversely installed, the valve core is heavy and is far away from the positioning piece, and the opposite valve core can deviate under the action of self gravity to influence sealing. The check valve shown in fig. 3 can only be installed laterally. Therefore, the application range of the two prior check valves is limited, and the check valve shown in the figure 1 affects the pipeline flow.
Disclosure of Invention
In view of the shortcomings in the background art, the present utility model provides a one-way valve, and overcomes the above drawbacks.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a check valve, includes left valve body, right valve body and case, left valve body and right valve body form the valve pocket, and the case is located the valve pocket, and right valve body inner wall is equipped with the guide rib of interval distribution, and the case can slide along the guide rib, and the case includes sealing member and positioning seat, is equipped with the elastic component between positioning seat and the right valve body, is equipped with the conflict face that offsets with the sealing member on the left valve body, the conflict is personally submitted inclination and is set up.
The right valve body is internally provided with a blocking piece, one end of the elastic piece, which is far away from the valve core, is abutted against the blocking piece, and preferably, the blocking piece is annular and is integrally formed with the right valve body.
One side of the valve core far away from the elastic piece is in conical arrangement.
The valve core further comprises a connector, and the connector, the sealing piece and the positioning seat are sequentially arranged.
One side of the positioning seat is provided with a connecting column, the other side of the positioning seat is provided with a convex edge for sleeving the elastic piece, and one side of the positioning seat provided with the connecting column is provided with a groove.
The connecting column is concentric with the groove, and is provided with external threads; the sealing element is provided with a through hole, one surface of the sealing element facing the positioning seat is provided with a first convex ring, the outer diameter of the first convex ring is matched with the inner diameter of the groove, and the inner diameter of the first convex ring is the same as the diameter of the through hole and concentric with the diameter of the through hole.
The surface of the connector, facing the sealing piece, is provided with a second convex ring, the center of the connector is provided with a threaded hole matched with the connecting column, and the outer diameter of the second convex ring is matched with the inner diameter of the first convex ring; the first convex ring and the second convex ring are respectively arranged in the groove, the second convex ring penetrates through the first convex ring, and the connecting column is in threaded connection with the threaded hole.
The locating seat is provided with a leak hole, and the end face of one side of the locating seat, which faces the elastic piece, is arranged in a conical manner.
Due to the adoption of the technical scheme, the problems that the existing one-way valve can only be longitudinally or transversely installed, the requirement of the one-way valve on the installation direction cannot be met, and the locating piece arranged in the longitudinally installed one-way valve can block the flow are effectively solved. The valve core diameter and the outer diameter of the elastic piece are matched with the inner diameter of a ring formed by the interval guide ribs through the compression elastic piece arranged between the valve core and the right valve body, and the valve core moves back and forth along the guide ribs to realize the opening and closing of the one-way valve; the surface of the left valve body, which is abutted against the sealing element, is obliquely arranged, and a linear sealing arrangement is adopted, so that the sealing life is prolonged, and the sealing effect is ensured; the two sides of the valve core are both conical surfaces, so that the fluid resistance is reduced in the opening and closing process of the valve core, and the valve core is smoothly opened or closed.
Drawings
Fig. 1 is a schematic view of a check valve that is only longitudinally mountable in the background art.
Fig. 2 is a schematic structural view of the positioning member 03 in fig. 1.
Fig. 3 is a schematic diagram of a check valve that can only be mounted laterally in the background art. .
Fig. 4 is a schematic view of the cut-away structure of that of the present utility model.
Fig. 5 is a schematic diagram of the split structure of the valve core 3 and the right valve body 2.
Fig. 6 is a left side view of the right valve body 2.
Fig. 7 is a schematic diagram of the disassembled structure of the valve body 3.
Detailed Description
Referring to fig. 4-7, the utility model discloses a one-way valve, which comprises a left valve body 1, a right valve body 2 and a valve core 3, wherein the left valve body 1 and the right valve body 2 form a valve cavity, the valve core 3 is positioned in the valve cavity, guide ribs 4 distributed at intervals are arranged on the inner wall of the right valve body 2, the valve core 3 can slide along the guide ribs 4, the valve core 3 comprises a sealing element 5 and a positioning seat 6, an elastic element 7 is arranged between the positioning seat 6 and the right valve body 2, and the elastic element 7 is in a compressed state. The left valve body 1 is provided with an abutting surface 11 abutting against the sealing element 5, the abutting surface 11 is arranged at an inclined angle, as shown in fig. 3, the abutting surface 11 is obliquely arranged to enable the abutting surface to be in linear sealing with the sealing element 5, and compared with the surface sealing shown in fig. 1, the sealing effect is better.
The right valve body 2 is internally provided with a blocking piece 21, one end of the elastic piece 7 far away from the valve core 3 is abutted against the blocking piece 21, preferably, the blocking piece 21 is annular, the blocking piece 21 and the right valve body 2 are integrally formed, and as shown in fig. 5-6, the blocking piece 21 is used for connecting the elastic piece 7.
The side of the valve core 3 away from the elastic member 7 is provided with a taper a, as shown in fig. 4-5, which is a taper formed by the end of the connecting post 61 passing through the threaded hole 81 and the connector 8, and the connector 8 itself is also tapered, as shown in fig. 1 and 6. The end face of one side of the positioning seat 6, which faces the elastic piece 7, is provided with a conical surface a, as shown in fig. 4, and two side faces of the valve core 3 are provided with conical surfaces a, so that the resistance of fluid in the valve core opening and closing process is reduced, the valve core 3 is enabled to be opened and closed rapidly, and the service performance of the one-way valve is improved.
The valve core 3 further comprises a connector 8, and the connector 8, the sealing element 5 and the positioning seat 6 are sequentially arranged as shown in fig. 7.
As shown in fig. 7, a connecting post 61 is provided on one side of the positioning seat 6, a convex edge 62 for the elastic member 7 to be sleeved is provided on the other side, and a groove 63 is provided on one surface of the positioning seat 6 provided with the connecting post 61. The connecting column 61 is concentric with the groove 63, and the connecting column 61 is provided with external threads; the sealing element 5 is provided with a through hole 51, one surface of the sealing element 5 facing the positioning seat 6 is provided with a first convex ring 52, the outer diameter of the first convex ring 52 is matched with the inner diameter of the groove 63, and the inner diameter of the first convex ring 52 is the same as the diameter of the through hole 51 and concentric. The surface of the connector 8 facing the sealing element 5 is provided with a second convex ring 82, the center of the connector 8 is provided with a threaded hole 81 matched with the connecting column 61, and the outer diameter of the second convex ring 82 is matched with the inner diameter of the first convex ring 62; the first convex ring 62 and the second convex ring 82 are respectively disposed in the groove 63, the second convex ring 82 passes through the first convex ring 62, and the connecting post 61 is in threaded connection with the threaded hole 81. Specifically, as shown in fig. 7, the seal member 5 is first placed close to the positioning seat 6 such that the first collar 52 is placed in the groove 63 while the connecting post 61 passes through the through hole 51; then the connector 8 is screwed with the connecting post 61, and finally the second convex ring 82 is also placed in the groove 63, and the valve core 3 is assembled.
As shown in fig. 4, 5 and 7, the positioning seat 6 is provided with a leak hole 60.
Specifically, as shown in fig. 4, when fluid flows in the arrow direction, the elastic member 7 is further compressed by the fluid pressure, the sealing member 5 is away from the abutting surface 11, and the fluid flows out of the valve body along the gap 9 between the adjacent guide ribs 4, which is in the open state of the check valve. When the fluid is cut off, the valve core 3 is reset under the reset force of the elastic piece 7, the sealing piece 5 is propped against the abutting surface 11 again to form a seal, and the one-way valve is closed. In the process, the outer diameter of the valve core 3 is matched with the annular surface formed by the guide rib 4, and the outer diameter of the combined elastic piece 7 is also matched with the annular surface, so that the valve core 3 is ensured not to be eccentric or offset no matter how the one-way valve is installed. The positioning piece 03 is omitted in the right valve body 2, so that the blocking of the fluid is avoided.
The utility model effectively solves the problems that the existing one-way valve can only be longitudinally or transversely installed and can not meet the requirement of the one-way valve in the installation direction, and the locating piece 03 arranged in the longitudinally installed one-way valve can block the flow. The valve core 3 and the outer diameter of the elastic piece 7 are matched with the inner diameter of a ring formed by the interval guide ribs 4 through the compression elastic piece 7 arranged between the valve core 3 and the right valve body 2, and the valve core 3 moves back and forth along the guide ribs 4 to realize the opening and closing of the one-way valve; the surface of the left valve body 1, which is abutted against the sealing piece 5, is obliquely arranged, and is sealed by a wire, so that the sealing life is prolonged, and the sealing effect is ensured; the two sides of the valve core are both provided with conical surfaces a, so that the fluid resistance is reduced in the opening and closing process of the valve core 3, and the valve core is smoothly opened or closed.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above description will be apparent to those of skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model.
Claims (8)
1. The utility model provides a check valve, includes left valve body, right valve body and case, left valve body and right valve body form the valve pocket, and the case is located in the valve pocket, its characterized in that: the valve core comprises a sealing element and a positioning seat, an elastic element is arranged between the positioning seat and the right valve body, an abutting surface which abuts against the sealing element is arranged on the left valve body, and the abutting surface is arranged at an inclined angle.
2. A one-way valve according to claim 1, wherein: the right valve body is internally provided with a blocking piece, and one end of the elastic piece, which is far away from the valve core, is abutted against the blocking piece.
3. A one-way valve according to claim 1, wherein: one side of the valve core far away from the elastic piece is in conical arrangement.
4. A one-way valve according to claim 1, wherein: the valve core further comprises a connector, and the connector, the sealing piece and the positioning seat are sequentially arranged.
5. A one-way valve according to claim 4, wherein: one side of the positioning seat is provided with a connecting column, the other side of the positioning seat is provided with a convex edge for sleeving the elastic piece, and one side of the positioning seat provided with the connecting column is provided with a groove.
6. A one-way valve according to claim 5, wherein: the connecting column is concentric with the groove, and is provided with external threads; the sealing element is provided with a through hole, one surface of the sealing element facing the positioning seat is provided with a first convex ring, the outer diameter of the first convex ring is matched with the inner diameter of the groove, and the inner diameter of the first convex ring is the same as the diameter of the through hole and concentric with the diameter of the through hole.
7. A one-way valve as defined in claim 6, wherein: the surface of the connector, facing the sealing piece, is provided with a second convex ring, the center of the connector is provided with a threaded hole matched with the connecting column, and the outer diameter of the second convex ring is matched with the inner diameter of the first convex ring; the first convex ring and the second convex ring are respectively arranged in the groove, the second convex ring penetrates through the first convex ring, and the connecting column is in threaded connection with the threaded hole.
8. A one-way valve according to claim 1, wherein: the locating seat is provided with a leak hole, and the end face of one side of the locating seat, which faces the elastic piece, is arranged in a conical manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588353.9U CN220060650U (en) | 2023-06-21 | 2023-06-21 | One-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588353.9U CN220060650U (en) | 2023-06-21 | 2023-06-21 | One-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060650U true CN220060650U (en) | 2023-11-21 |
Family
ID=88785823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321588353.9U Active CN220060650U (en) | 2023-06-21 | 2023-06-21 | One-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119321492A (en) * | 2024-12-19 | 2025-01-17 | 九方流体系统技术(深圳)有限公司 | Check valve with adjustable opening pressure |
-
2023
- 2023-06-21 CN CN202321588353.9U patent/CN220060650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119321492A (en) * | 2024-12-19 | 2025-01-17 | 九方流体系统技术(深圳)有限公司 | Check valve with adjustable opening pressure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |