Three-way valve
By designing the matching of the limit ring and sealing assembly in the three-way valve, the problem of reduced sealing due to deviation of the stressed sphere is solved, and a higher sealing and service life is achieved.
Patent Information
- Application Number
- CN202422384041.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-29
AI Technical Summary
During use, the existing three-way valves are prone to deviate, resulting in the inability to center, reducing the sealing ability, prone to water leakage, affecting the service life.
A three-way valve is designed including an inner housing, a valve core assembly, a sealing assembly No. 1 and a sealing assembly No. 2. Through the coordination of the limit ring and the sealing assembly, the valve core assembly does not shake when rotating, thereby improving sealing.
It effectively avoids valve core shaking, improves sealing and service life, and reduces the occurrence of water leakage.
Smart Images
Figure CN223019508U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valves, in particular to a three-way valve. Background Art
[0002] The three-way valve adjusts the angle through a hollow sphere inside, so as to switch the fluid conveying direction. When installed in the prior art, the sphere will move with the force on one side. After using for a period of time, the sphere is easy to deviate, resulting in being unable to be centered, reducing the sealing performance, being prone to water leakage, and affecting the service life. Content of the Utility Model
[0003] In order to solve the above technical problems, the utility model provides a three-way valve with improved sealing performance.
[0004] The three-way valve of the utility model includes an inner housing, a first round opening, a second round opening and an assembly opening. The front end of the inner housing is provided with a first round opening, and a group of second round openings are respectively arranged at the left and right ends of the inner housing. The top end of the inner housing is provided with an assembly opening. It further includes a limiting ring, a valve core assembly, a first sealing assembly and a second sealing assembly. A limiting ring is arranged at the rear end inside the inner housing. The two groups of second round openings are respectively sealed by a group of second sealing assemblies, and the first round opening is sealed by a group of first sealing assemblies. A valve core assembly is arranged inside the inner housing. The inner diameter of the first round opening is larger than that of the second round opening. When in use, the valve core assembly is installed inside the inner housing through the first round opening. Then, the two groups of second sealing assemblies respectively seal the two groups of second round openings, and the first sealing assembly seals the first round opening. The two groups of second sealing assemblies, a group of first sealing assemblies and the limiting ring cooperate with each other to limit the valve core assembly, so as to ensure that the valve core assembly rotates while avoiding the valve core from shaking, improving the sealing performance and the service life.
[0005] Preferably, the valve core assembly includes a hollow sphere, a diversion port, a square port and an adjusting handle. A group of diversion ports are respectively arranged at the front end and the left and right ends of the hollow sphere. A square port is arranged at the top end of the hollow sphere. The adjusting handle passes through the assembly opening and the bottom end of the adjusting handle is inserted into the square port. The hollow sphere enters the inner housing through the first round opening. The rear side of the assembly opening contacts the limiting ring. The adjusting handle passes through the assembly opening and the bottom end of the adjusting handle is inserted into the square port. The first round opening and the two groups of second round openings respectively coincide with a group of diversion ports.
[0006] Preferably, the first sealing assembly includes a first convex rod, a first clamping ring and a first through hole. Four groups of first convex rods are circumferentially arranged on the first round opening. Four groups of first through holes are arranged on the first clamping ring. A group of first convex rods are respectively inserted into a group of first through holes. By inserting the four groups of first convex rods into the four groups of first through holes, the first through holes seal the first round opening and limit and fix the front side of the hollow sphere at the same time.
[0007] Preferably, the second sealing assembly includes a second convex rod, a second clamping ring and a second through hole. Two groups of second convex rods are respectively arranged on each second round opening, two groups of second through holes are respectively arranged on each second clamping ring, and each group of second convex rods is respectively inserted into a group of second through holes; the second through holes on the two groups of second clamping rings are respectively inserted into the corresponding second convex rods on the second round opening, so that the two groups of second clamping rings limit the left and right sides of the hollow sphere.
[0008] Preferably, it further includes a first sealing ring, and a first sealing ring is sleeved inside the first clamping ring; the first clamping ring seals the first round opening in cooperation with the first sealing ring, and the first sealing ring improves the sealing performance between the first round opening and the first clamping ring.
[0009] Preferably, it further includes a second sealing ring, and a second sealing ring is sleeved inside the second clamping ring; the second clamping ring seals the second round opening in cooperation with the second sealing ring, improving the sealing performance.
[0010] Preferably, it further includes a reinforcing rib, and a reinforcing rib is arranged on the inner shell.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: during use, the valve core assembly is installed inside the inner shell through the first round opening, and then the two groups of second sealing assemblies respectively seal the two groups of second round openings, and the first sealing assembly seals the first round opening. The two groups of second sealing assemblies, one group of first sealing assembly and the limiting ring cooperate with each other to limit the valve core assembly, so as to ensure that the valve core assembly rotates while avoiding the valve core from shaking, improving the sealing performance and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is an exploded structural schematic diagram of the present utility model;
[0013] Figure 2 is an enlarged structural schematic diagram of the inner shell and the first convex rod and other structures;
[0014] Figure 3 is a structural schematic diagram of the injection molding of the present utility model.
[0015] Reference numerals in the drawings: 1, inner shell; 2, limiting ring; 3, first round opening; 4, second round opening; 5, assembly opening; 6, hollow sphere; 7, diversion opening; 8, square opening; 9, adjusting handle; 10, first convex rod; 11, first clamping ring; 12, first through hole; 13, second convex rod; 14, second clamping ring; 15, second through hole; 16, first sealing ring; 17, second sealing ring; 18, reinforcing rib. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant attached drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.
[0017] Embodiment 1
[0018] As Figure 1 、 Figure 2 and Figure 3 shown, the three-way valve of the present utility model includes an inner housing 1, a first circular opening 3, a second circular opening 4, and an assembly port 5. The front end of the inner housing 1 is provided with a first circular opening 3, and a set of second circular openings 4 are respectively provided at the left and right ends of the inner housing 1. The top end of the inner housing 1 is provided with an assembly port 5. It further includes a limit ring 2, a valve core assembly, a first sealing assembly, and a second sealing assembly. A limit ring 2 is provided at the rear end inside the inner housing 1. The two sets of second circular openings 4 are respectively sealed by a set of second sealing assemblies, and the first circular opening 3 is sealed by a set of first sealing assemblies. A valve core assembly is provided inside the inner housing 1, and the inner diameter of the first circular opening 3 is larger than the inner diameter of the second circular opening 4.
[0019] As Figure 1 shown, the valve core assembly includes a hollow sphere 6, a diversion port 7, a square opening 8, and an adjustment handle 9. A set of diversion ports 7 are respectively provided at the front end and the left and right ends of the hollow sphere 6. A square opening 8 is provided at the top end of the hollow sphere 6. The adjustment handle 9 passes through the assembly port 5 and the bottom end of the adjustment handle 9 is inserted into the square opening 8.
[0020] In this embodiment, the hollow sphere 6 enters the inside of the inner housing 1 through the first circular opening 3. The rear side of the assembly port 5 contacts the limit ring 2. The adjustment handle 9 passes through the assembly port 5 and the bottom end of the adjustment handle 9 is inserted into the square opening 8. The first circular opening 3 and the two sets of second circular openings 4 respectively coincide with a set of diversion ports 7. Then, the two sets of second sealing assemblies respectively seal the two sets of second circular openings 4, and the first sealing assembly seals the first circular opening 3. The two sets of second sealing assemblies, a set of first sealing assemblies, and the limit ring 2 cooperate with each other to limit the hollow sphere 6, so as to ensure that the hollow sphere 6 rotates while preventing the hollow sphere 6 from shaking.
[0021] Embodiment 2
[0022] As Figure 1 、 Figure 2 and Figure 3As shown in the figure, the three-way valve of the present utility model includes an inner housing 1, a first round port 3, a second round port 4, and an assembly port 5. The front end of the inner housing 1 is provided with a first round port 3, and a set of second round ports 4 are respectively arranged at the left and right ends of the inner housing 1. The top end of the inner housing 1 is provided with an assembly port 5. It further includes a limit ring 2, a valve core assembly, a first sealing assembly, and a second sealing assembly. A limit ring 2 is arranged at the rear end inside the inner housing 1. The two sets of second round ports 4 are respectively sealed by a set of second sealing assemblies, and the first round port 3 is sealed by a set of first sealing assemblies. A valve core assembly is arranged inside the inner housing 1, and the inner diameter of the first round port 3 is larger than that of the second round port 4;
[0023] As Figure 1 shown in the figure, the valve core assembly includes a hollow sphere 6, a diversion port 7, a square port 8, and an adjusting handle 9. A set of diversion ports 7 are respectively arranged at the front end and the left and right ends of the hollow sphere 6. A square port 8 is arranged at the top end of the hollow sphere 6. The adjusting handle 9 passes through the assembly port 5 and the bottom end of the adjusting handle 9 is inserted into the square port 8;
[0024] As Figure 1 shown in the figure, the first sealing assembly includes a first convex rod 10, a first clamping ring 11, and a first through hole 12. Four groups of first convex rods 10 are circumferentially arranged on the first round port 3. Four groups of first through holes 12 are arranged on the first clamping ring 11. A group of first convex rods 10 are respectively inserted into a group of first through holes 12;
[0025] As Figure 1 shown in the figure, the second sealing assembly includes a second convex rod 13, a second clamping ring 14, and a second through hole 15. Two groups of second convex rods 13 are respectively arranged on each group of second round ports 4. Two groups of second through holes 15 are respectively arranged on each group of second clamping rings 14. Each group of second convex rods 13 are respectively inserted into a group of second through holes 15;
[0026] It further includes a first sealing ring 16, a second sealing ring 17, and a reinforcing rib 18. A first sealing ring 16 is sleeved inside the first clamping ring 11. A second sealing ring 17 is sleeved inside the second clamping ring 14. A reinforcing rib 18 is arranged on the inner housing 1.
[0027] In this embodiment, the hollow sphere 6 enters the interior of the inner housing 1 through the first circular opening 3. The rear side of the assembly port 5 contacts the limiting ring 2. The adjusting handle 9 passes through the assembly port 5 and the bottom end of the adjusting handle 9 is inserted into the square opening 8. The first circular opening 3 and the two groups of second circular openings 4 respectively coincide with a group of diversion openings 7. The second through holes 15 on the two groups of second clamping rings 14 are respectively inserted into the corresponding second protruding rods 13 on the second circular openings 4, so that the two groups of second clamping rings 14 limit the left and right sides of the hollow sphere 6. The four groups of first protruding rods 10 are respectively inserted into the four groups of first through holes 12, so that while the first through holes 12 seal the first circular opening 3, the first through holes 12 limit and fix the front side of the hollow sphere 6. The two groups of second clamping rings 14, a group of first clamping rings 11 and the limiting ring 2 cooperate with each other to limit the hollow sphere 6, so as to ensure that the hollow sphere 6 rotates while avoiding the hollow sphere 6 from shaking.
[0028] For the three-way valve of the present utility model, after the above-mentioned device is assembled and placed in a mold, the overall structure is injection-molded to form a protective housing on its outer side. The outer diameter of the hollow sphere 6 is larger than the inner diameter of the second circular opening 4 and smaller than the inner diameter of the first circular opening 3. The hollow sphere 6 and the adjusting handle 9 of the three-way valve of the present utility model are purchased on the market. Those skilled in the art only need to install and operate according to the attached instruction manual, without the need for those skilled in the art to make creative efforts.
[0029] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims
1. A three-way valve, comprising an inner shell (1), a first round port (3), a second round port (4) and an assembly port (5), wherein the front end of the inner shell (1) is provided with the first round port (3), the left and right ends of the inner shell (1) are respectively provided with a group of second round ports (4), and the top end of the inner shell (1) is provided with the assembly port (5), characterized in that: It also includes a limit ring (2), a valve core assembly, a No. 1 sealing assembly and a No. 2 sealing assembly. A limit ring (2) is arranged at the rear end of the inner shell (1). The two groups of No. 2 round ports (4) are sealed by a group of No. 2 sealing assemblies respectively. The No. 1 round port (3) is sealed by a group of No. 1 sealing assemblies. A valve core assembly is arranged inside the inner shell (1). The inner diameter of the No. 1 round port (3) is greater than the inner diameter of the No. 2 round port (4).
2. The three-way valve according to claim 1, characterized in that: The valve core assembly comprises a hollow sphere (6), a diversion port (7), a square port (8) and an adjusting handle (9); a group of diversion ports (7) are respectively arranged at the front end of the hollow sphere (6) and the left and right ends of the hollow sphere (6); a square port (8) is arranged at the top end of the hollow sphere (6); the adjusting handle (9) passes through the assembly port (5) and the bottom end of the adjusting handle (9) is plugged into the square port (8).
3. The three-way valve according to claim 2, characterized in that: The No. 1 sealing assembly comprises a No. 1 raised rod (10), a No. 1 retaining ring (11) and a No. 1 through hole (12); four groups of No. 1 raised rods (10) are circumferentially arranged on the No. 1 circular opening (3); four groups of No. 1 through holes (12) are arranged on the No. 1 retaining ring (11); and one group of No. 1 raised rods (10) is respectively plugged into one group of No. 1 through holes (12).
4. The three-way valve according to claim 3, characterized in that: The No. 2 sealing assembly comprises a No. 2 raised rod (13), a No. 2 retaining ring (14) and a No. 2 through hole (15); each group of No. 2 round openings (4) is provided with two groups of No. 2 raised rods (13); each group of No. 2 retaining rings (14) is provided with two groups of No. 2 through holes (15); each group of No. 2 raised rods (13) is plugged into one group of No. 2 through holes (15).
5. The three-way valve according to claim 3, characterized in that: It also comprises a No. 1 sealing ring (16), and the No. 1 sealing ring (16) is sleeved on the inner side of the No. 1 retaining ring (11).
6. The three-way valve according to claim 4, characterized in that: It also comprises a No. 2 sealing ring (17), and the No. 2 sealing ring (17) is sleeved on the inner side of the No. 2 retaining ring (14).
7. The three-way valve according to claim 1, characterized in that: It also comprises reinforcing ribs (18), and the inner shell (1) is provided with reinforcing ribs (18).