CN215371113U - Check valve convenient to installation - Google Patents
Check valve convenient to installation Download PDFInfo
- Publication number
- CN215371113U CN215371113U CN202121305359.1U CN202121305359U CN215371113U CN 215371113 U CN215371113 U CN 215371113U CN 202121305359 U CN202121305359 U CN 202121305359U CN 215371113 U CN215371113 U CN 215371113U
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- valve body
- connecting piece
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- valve
- outlet
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Abstract
The utility model discloses a one-way valve convenient to install, which comprises a valve body, wherein external thread structures are arranged on the outer sides of an inlet and an outlet of the valve body, a valve clack is arranged in the valve body, one side of the valve clack is abutted against the inlet of the valve body, and a spring is arranged on the other side of the valve clack; a check ring is fixed in the inlet and the outlet of the valve body, an annular groove is arranged on the outer side of the check ring, and a sealing ring is embedded in the annular groove; the connecting piece is of a tubular structure, and one end of the connecting piece is provided with a convex annular surface; the locking sleeve is fixedly connected with the inlet and the outlet of the valve body, and a through hole is formed in the middle of the locking sleeve; the connecting piece is arranged on the outer side of the check ring and fixed through the locking sleeve, the annular surface of the connecting piece is tightly attached to the convex sealing ring, and the other end of the connecting piece extends out of the through hole of the locking sleeve. The connecting piece is locked on the inlet and the outlet of the valve body by the locking sleeve, so that the sealing performance of the connection is ensured, the installation work of the check valve can be easily completed, and the time and the labor are saved.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a check valve convenient to install.
Background
The check valve is a control valve which controls fluid to flow only along the water inlet and the medium at the water outlet can not flow back. The one-way valve has wide application and various types. The check valve passes through the link connecting line of both sides, and the link is the interface of in-band/external screw thread usually, through the nut fastening, and general nut fastening needs specialized tool to lock, and the installation is very inconvenient, and uses the back for a long time, and the locking effect of nut can worsen, influences the leakproofness of tube coupling.
Disclosure of Invention
The utility model aims to provide a one-way valve which is simple in structure, high in sealing performance and convenient to install.
Therefore, the technical scheme of the utility model is as follows: a check valve convenient to install comprises a valve body with a tubular structure, wherein the valve body comprises an inlet and an outlet, external thread structures are arranged on the outer sides of the inlet and the outlet, a valve clack is arranged in the valve body, one side of the valve clack abuts against the inlet of the valve body, a spring is arranged on the other side of the valve clack, one end of the spring is fixed on the valve clack, and the other end of the spring abuts against the outlet of the valve body; the method is characterized in that: a check ring is fixed in each of the inlet and the outlet of the valve body, an annular groove is formed in the outer side of each check ring, an O-shaped sealing ring is embedded in each annular groove, and the surface of each sealing ring is higher than that of each check ring; the connecting piece is of a tubular structure, and one end of the connecting piece is provided with a convex annular surface; the locking sleeve is provided with an internal thread structure and is fixedly connected with the inlet and the outlet of the valve body, and a through hole is formed in the middle of the locking sleeve; the connecting piece is arranged on the outer side of the check ring and fixed through the locking sleeve, the annular surface of the connecting piece is tightly attached to the convex sealing ring, and the other end of the connecting piece extends out of the through hole of the locking sleeve.
The connecting piece is locked on the inlet and the outlet of the valve body by the locking sleeve, the annular surface of the connecting piece is tightly attached to the convex sealing ring, the sealing performance between the connecting piece and the inlet and the outlet of the valve body is ensured, and the other end of the connecting piece extends out of the through hole of the locking sleeve and can be directly connected with a corresponding pipeline, so that the mounting work of the check valve is easily completed, and the time and the labor are saved.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of a part of the present invention;
FIG. 3 is a structural side view of the valve body of the present invention;
fig. 4 is a structural sectional view of the valve body of the present invention.
Labeled as: the valve comprises a valve body 1, an inlet 2, an outlet 3, an external thread structure 4, a retainer ring 5, a sealing ring 6, a valve clack 7, a spring 8, a connecting piece 9, a locking sleeve 10, an annular boss 11 and a through hole 12.
Detailed Description
See the drawings. The check valve comprises a valve body 1 with a tubular structure, wherein the valve body comprises an inlet 2 and an outlet 3, external thread structures 4 are arranged on the outer sides of the inlet and the outlet, check rings 5 are fixed in the inlet and the outlet of the valve body respectively, the check rings are of annular structures, an annular groove is arranged on the outer sides of the check rings, an O-shaped sealing ring 6 is embedded in the annular groove, and the surface of the sealing ring is higher than that of the check rings; a valve clack 7 is arranged in the valve body 1, one side of the valve clack is abutted against a check ring at the inlet of the valve body, a spring 8 is fixed at the other side of the valve clack, one end of the spring is fixed on the valve clack, the other end of the spring is fixed on the check ring at the outlet of the valve body, and the spring 8 can enable the valve clack 7 to be tightly attached to the check ring at the inlet of the valve body to seal the inlet of the valve body; the outer sides of the inlet and the outlet of the valve body are respectively provided with a connecting piece 9 and a locking sleeve 10, the connecting piece 9 is of a tubular structure, one end of the connecting piece is provided with an annular boss 11 protruding outwards, the side surface of the annular boss is an annular surface, and the other end of the connecting piece is used for connecting a pipeline; the locking sleeve 10 is of a hollow structure, one end of the locking sleeve is provided with an internal thread structure, the other end of the locking sleeve is provided with a limiting surface, and a through hole 12 is formed in the middle of the limiting surface; the connecting piece 9 is arranged outside the retainer ring 5, the locking sleeve is fixed with the inlet and outlet of the valve body in a threaded connection mode, the connecting piece is locked outside the retainer ring, the limiting surface on the locking sleeve extrudes the connecting piece inwards, the annular surface of the connecting piece is tightly attached to the convex sealing ring, and the other end of the connecting piece extends out of the through hole of the locking sleeve and is used for connecting a pipeline.
When the check valve is used, the check valve is connected with the water inlet pipe and the water outlet pipe through the connecting pieces at the two ends, when the water pressure in the water inlet pipe is greater than the spring force received by the valve clack, the valve clack is separated from the check ring at the inlet of the valve body, and the water way flows in from the gap between the valve clack and the inner wall of the valve body and flows out from the outlet of the valve body. When the water pressure in the water inlet pipe is smaller than the spring force received by the valve clack, the spring pushes the valve clack to make the valve clack closely attached to the check ring at the inlet, the inlet of the valve body is closed, and the water at the outlet of the valve body cannot reversely flow out from the inlet of the valve body, so that the function of one-way conduction is realized.
Claims (1)
1. A check valve convenient to install comprises a valve body with a tubular structure, wherein the valve body comprises an inlet and an outlet, external thread structures are arranged on the outer sides of the inlet and the outlet, a valve clack is arranged in the valve body, one side of the valve clack abuts against the inlet of the valve body, a spring is arranged on the other side of the valve clack, one end of the spring is fixed on the valve clack, and the other end of the spring abuts against the outlet of the valve body; the method is characterized in that: a check ring is fixed in each of the inlet and the outlet of the valve body, an annular groove is formed in the outer side of each check ring, an O-shaped sealing ring is embedded in each annular groove, and the surface of each sealing ring is higher than that of each check ring; the connecting piece is of a tubular structure, and one end of the connecting piece is provided with a convex annular surface; the locking sleeve is provided with an internal thread structure and is fixedly connected with the inlet and the outlet of the valve body, and a through hole is formed in the middle of the locking sleeve; the connecting piece is arranged on the outer side of the check ring and fixed through the locking sleeve, the annular surface of the connecting piece is tightly attached to the convex sealing ring, and the other end of the connecting piece extends out of the through hole of the locking sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305359.1U CN215371113U (en) | 2021-06-11 | 2021-06-11 | Check valve convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305359.1U CN215371113U (en) | 2021-06-11 | 2021-06-11 | Check valve convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215371113U true CN215371113U (en) | 2021-12-31 |
Family
ID=79634530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121305359.1U Active CN215371113U (en) | 2021-06-11 | 2021-06-11 | Check valve convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215371113U (en) |
-
2021
- 2021-06-11 CN CN202121305359.1U patent/CN215371113U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A check valve convenient for installation Effective date of registration: 20220719 Granted publication date: 20211231 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Meichi sub branch Pledgor: Zhuji Hengke Pipeline Technology Co.,Ltd. Registration number: Y2022980010770 |