One-way valve convenient to install
The one-way valve structure, which uses a plug-slot connection and a magnetic bevel locking mechanism, solves the problem of existing one-way valves requiring special tools for locking, and enables quick installation and disassembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-03-10
AI Technical Summary
Existing check valves require special tools to tighten when connected to external pipes, which makes installation inconvenient.
A one-way valve that is easy to install is designed. It is connected by plug and slot, and combines a rotating ring, linkage block, drive ring and retaining ring. It uses magnetic inclined surface to achieve quick locking and disassembly.
It enables quick installation and disassembly of the one-way valve and the pipe body, simplifies the operation process, and improves installation efficiency.
Smart Images

Figure CN223984937U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of one-way valve technology, specifically a one-way valve that is easy to install. Background Technology
[0002] A check valve is an important fluid control component. Its main function is to ensure that fluid can only flow in one direction and cannot flow in the opposite direction. Its working principle is similar to that of a hydraulic check valve, which is driven to open and close by compressed air or other fluid pressure.
[0003] When connecting the external pipe body to the existing check valve, it is usually connected and fixed by thread. Generally, tightening the nut requires a special tool, which is inconvenient to use and makes it difficult to quickly install and fix the check valve to the external pipe body. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides an easy-to-install check valve, solving the problem that check valves are inconvenient to quickly install and connect to external pipes during use.
[0006] (II) Technical Solution
[0007] To facilitate quick and easy installation and connection of the aforementioned one-way valve with an external pipe during use, this utility model provides the following technical solution: A one-way valve that is easy to install includes a one-way valve body and a pipe body. A plug is fixed to one end of the pipe body, and a slot is formed on the surface of the plug. One-way valve connectors are fixed to both ends of the one-way valve body. A slot is formed on the end face of the one-way valve connector. A rotating groove is formed on the outer surface of the one-way valve connector. A through groove is formed inside the rotating groove. A guide groove is formed on the inner wall of the through groove. A rotating ring rotates inside the rotating groove. A linkage block is fixed to the inner surface of the rotating ring. A drive ring is fixed to one end of the inner side of the linkage block.
[0008] The inner surface of the drive ring has an inner groove, the end face of the drive ring has a drive groove, a sliding pin slides inside the drive groove, a push-pull rod is fixed to the surface of the sliding pin, a retaining ring is fixed to one end of the inner side of the push-pull rod, a guide block is fixed to the end face of the retaining ring, magnetic inclined surfaces are provided at both ends of the retaining ring, and a switch mark is provided on the surface of the one-way valve connector.
[0009] Preferably, the retaining rings are provided in three sets, and adjacent sets of retaining rings are magnetically fixed together by magnetic attraction of inclined surfaces.
[0010] Preferably, the three sets of retaining rings are in contact and are in a circular shape, and the retaining rings are adapted to the retaining grooves.
[0011] Preferably, the guide blocks are located on both sides of the retaining ring, and the guide blocks are slidably connected to the guide groove.
[0012] Preferably, the inner groove is connected to the drive groove, and the push-pull rod extends out of the inner groove.
[0013] Preferably, the drive groove is arc-shaped and is not concentric with the drive ring.
[0014] Preferably, the through slots are arranged in three sets at equal intervals, and the three sets of through slots are not connected. The linkage blocks are arranged in three sets at equal intervals, and the linkage blocks are located inside the through slots.
[0015] Preferably, the plug is movably inserted into the slot, and the slot is connected to the through groove.
[0016] Compared with the prior art, this utility model provides a one-way valve that is easy to install and has the following advantages:
[0017] 1. This easy-to-install check valve allows for the connection of the pipe body and the check valve body by first inserting the plug into the slot. The rotating ring drives the drive ring to rotate clockwise via the linkage block. After the drive ring rotates clockwise, the drive groove drives the sliding pin to move inward. The sliding pin then drives the retaining ring to move inward via the push-pull rod. At this time, the guide block slides inside the guide groove, causing all three sets of retaining rings to move inward into the retaining groove simultaneously. Therefore, the check valve body and the pipe body can be installed quickly.
[0018] 2. This easy-to-install one-way valve, when the two ends of the three sets of retaining rings come into contact with each other, uses the magnetic inclined surface to magnetically fix the two ends of the three sets of retaining rings in each other, so that the ring formed by the three sets of retaining rings is fixed in the retaining groove, thereby limiting the axial movement of the plug, thus enabling the quick installation and locking of the pipe body and the one-way valve body. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of this utility model;
[0020] Figure 2 This is an exploded view of the one-way valve body and pipe body of this utility model.
[0021] Figure 3 This is a partial sectional view of the one-way valve connector of this utility model.
[0022] Figure 4 This is a schematic diagram of the drive ring structure of this utility model;
[0023] Figure 5 This is a schematic diagram of the one-way valve connector of this utility model.
[0024] The components are: 1. One-way valve body; 2. Pipe body; 3. Plug; 4. Slot; 5. One-way valve connector; 6. Slot; 7. Rotary groove; 8. Through groove; 9. Guide groove; 10. Rotary ring; 11. Linkage block; 12. Drive ring; 13. Inner groove; 14. Drive groove; 15. Sliding pin; 16. Push-pull rod; 17. Snap ring; 18. Guide block; 19. Magnetic inclined surface; 20. Switch mark. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figure 1-5 This utility model provides an easy-to-install one-way valve, including a one-way valve body 1 and a pipe body 2. One end of the pipe body 2 is fixed with a plug 3. The surface of the plug 3 is provided with a slot 4. One-way valve connectors 5 are fixed at both ends of the one-way valve body 1. The end face of the one-way valve connector 5 is provided with a slot 6. The outer surface of the one-way valve connector 5 is provided with a rotating groove 7. The inside of the rotating groove 7 is provided with a through groove 8. The inner wall of the through groove 8 is provided with a guide groove 9. A rotating ring 10 is rotatable inside the rotating groove 7. A linkage block 11 is fixed on the inner surface of the rotating ring 10. A drive ring 12 is fixed on one end of the inner side of the linkage block 11.
[0027] The inner surface of the drive ring 12 is provided with an inner groove 13, and the end face of the drive ring 12 is provided with a drive groove 14. A sliding pin 15 slides inside the drive groove 14. A push-pull rod 16 is fixed on the surface of the sliding pin 15. A retaining ring 17 is fixed on one end of the inner side of the push-pull rod 16. A guide block 18 is fixed on the end face of the retaining ring 17. Magnetic inclined surfaces 19 are provided at both ends of the retaining ring 17. A switch mark 20 is provided on the surface of the one-way valve connector 5. By first inserting the plug 3 into the slot 6, the tube body 2 can be connected to the one-way valve body 1 so that the tube body 2 and the one-way valve body 1 can be quickly locked and connected later.
[0028] Furthermore, the retaining ring 17 is provided in three sets, and the two adjacent sets of retaining ring 17 are magnetically fixed together by magnetic attraction slope 19, so that the two ends of the three sets of retaining ring 17 can be fixed to each other in pairs by magnetic attraction slope 19.
[0029] Furthermore, the three sets of retaining rings 17 are in contact and form a ring shape. The retaining rings 17 are adapted to the retaining grooves 4. The ring formed by the three sets of retaining rings 17 can combine with the retaining grooves 4, thereby locking the one-way valve body 1 and the pipe body 2 through the retaining rings 17 and the retaining grooves 4.
[0030] Furthermore, the guide blocks 18 are located on both sides of the retaining ring 17, and the guide blocks 18 are slidably connected to the guide groove 9, so that the retaining ring 17 can be radially guided through the guide blocks 18 and the guide groove 9.
[0031] Furthermore, the inner groove 13 is connected to the drive groove 14, and the push-pull rod 16 extends out of the inner groove 13, so that the push-pull rod 16 can drive the retaining ring 17 to move inward or outward, and the push-pull rod 16 will not interfere with the inner groove 13 and the drive groove 14.
[0032] Furthermore, the drive groove 14 is arc-shaped and is not concentric with the drive ring 12, which facilitates the drive groove 14 to drive the sliding pin 15 to move radially inward or outward, so that the sliding pin 15 can drive the retaining ring 17 to move inward or outward through the push-pull rod 16.
[0033] Furthermore, three sets of through slots 8 are equidistantly arranged, and the three sets of through slots 8 are not connected. Three sets of linkage blocks 11 are equidistantly arranged, and the linkage blocks 11 are located inside the through slots 8 to avoid interference with the two ends of the through slots 8 when the rotating ring 10 drives the linkage blocks 11 to rotate.
[0034] Furthermore, the plug 3 is movably inserted into the slot 6, and the slot 6 is connected to the through groove 8. When the plug 3 is inserted into the slot 6, the tube body 2 can be connected to the one-way valve body 1 first, and the slot 4 can be aligned with the retaining ring 17.
[0035] In use, by first inserting the plug 3 into the slot 6, the tube body 2 can be connected to the one-way valve body 1. Then, according to the switch mark 20, rotate the rotating ring 10 clockwise. At this time, the rotating ring 10 can drive the drive ring 12 to rotate clockwise through the linkage block 11. At the same time, the linkage block 11 rotates inside the through groove 8 without interfering with the two ends of the through groove 8. After the drive ring 12 rotates clockwise, guided by the guide block 18 and the guide groove 9, the drive groove 14 can drive the sliding pin 15 to move inward. Then, the sliding pin 15 can drive the retaining ring 17 to move inward through the push-pull rod 16. At this time, the guide block 18 is in the guide groove 9. The internal sliding causes the three sets of retaining rings 17 to move inward into the slot 4 simultaneously, and the two ends of the three sets of retaining rings 17 contact each other. After the two ends of the three sets of retaining rings 17 contact each other, the magnetic inclined surface 19 magnetically attracts and fixes the two ends of the three sets of retaining rings 17 in pairs, so that the ring formed by the three sets of retaining rings 17 is fixed in the slot 4, thereby limiting the axial position of the plug 3. Therefore, the tube body 2 and the one-way valve body 1 can be quickly installed and locked. Similarly, when it is necessary to disassemble the tube body 2 and the one-way valve body 1, simply rotate the rotating ring 10 counterclockwise according to the switch mark 20, and then pull the tube body 2 outward to quickly disassemble the tube body 2 and the one-way valve body 1.
[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A one-way valve for easy installation comprising a one-way valve body (1) and a pipe body (2), characterized in that: One end of the pipe body (2) is fixed with a plug (3), the surface of the plug (3) is provided with a clamping groove (4), both ends of the one-way valve body (1) are fixed with a one-way valve connector (5), the end face of the one-way valve connector (5) is provided with a insertion slot (6), the outer surface of the one-way valve connector (5) is provided with a rotating groove (7), the inside of the rotating groove (7) is provided with a through groove (8), the inner wall of the through groove (8) is provided with a guide groove (9), the inside of the rotating groove (7) is rotatably provided with a rotating ring (10), the inner side surface of the rotating ring (10) is fixedly provided with a linkage block (11), one end of the inner side of the linkage block (11) is fixedly provided with a driving ring (12); The inner side surface of the driving ring (12) is provided with an inner recess (13), the end face of the driving ring (12) is provided with a driving groove (14), the inside of the driving groove (14) is slidably provided with a sliding pin (15), the surface of the sliding pin (15) is fixedly provided with a push-pull rod (16), one end of the inner side of the push-pull rod (16) is fixedly provided with a clamping ring (17), the end face of the clamping ring (17) is fixedly provided with a guide block (18), both ends of the clamping ring (17) are provided with a magnetic attraction inclined surface (19), the surface of the one-way valve connector (5) is provided with a switch mark (20).
2. A one-way valve for easy installation according to claim 1, characterized in that: The clamping ring (17) is provided with three groups, and the adjacent two groups of clamping rings (17) are magnetically attracted and fixed through the magnetic attraction inclined surface (19).
3. A one-way valve for easy installation according to claim 1, characterized in that: Three groups of the clamping ring (17) are in contact and in the form of a circular ring, and the clamping ring (17) is matched with the clamping groove (4).
4. The easy-to-install check valve of claim 1, wherein: The guide block (18) is located on both sides of the clamping ring (17), and the guide block (18) is slidably connected with the guide groove (9).
5. The easy-to-install check valve of claim 1, wherein: The inner recess (13) is communicated with the driving groove (14), and the push-pull rod (16) extends out of the inner recess (13).
6. A one-way valve for easy installation according to claim 1, characterized in that: The driving groove (14) is in the form of a circular arc, and the driving groove (14) is not concentric with the driving ring (12).
7. A one-way valve for easy installation according to claim 1, characterized in that: Three groups of the through groove (8) are equidistantly arranged, and the three groups of through grooves (8) are not communicated, three groups of the linkage block (11) are equidistantly arranged, and the linkage block (11) is located in the inside of the through groove (8).
8. The easy-to-install check valve of claim 1, wherein: The plug (3) is movably inserted with the insertion slot (6), and the insertion slot (6) is communicated with the through groove (8).