Three-way valve equipment with improved internal sealing structure

Abstract

The utility model provides three-way valve equipment with an improved internal sealing structure. According to the three-way valve equipment with the improved internal sealing structure, a mounting ring is fixedly connected to the top of a three-way valve shell, two mounting grooves are formed in the top of the mounting ring, first sealing rings are arranged in the mounting grooves correspondingly, a sealing disc is mounted at the top of the mounting ring through bolts, and a sealing ring is arranged in the sealing disc; a sealing pipe is fixedly connected to the top of the sealing disc, an adjusting rod is rotationally connected to the top of the sealing pipe, an adjusting disc is installed at the top end of the adjusting rod, and a fixing rod is fixedly connected to the bottom of the adjusting rod. According to the three-way valve equipment with the improved internal sealing structure, multiple sealing of the first sealing ring, the third sealing ring and the sealing hopper can be utilized through the structure, the sealing performance among the three-way valve shell, the adjusting rod and the fixing rod is improved, and the situation that the use of the three-way valve is affected by leakage caused by serious abrasion of a single sealing structure is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of three-way valve sealing, in particular to a three-way valve device with a modified internal sealing structure. Background Art

[0002] The three-way regulating valve is composed of a linear electronic electric actuator and a three-way converging valve with a cylindrical thin-walled window-shaped valve core. It has a compact structure, light weight, sensitive action and precise flow characteristics.

[0003] When the three-way valve is working, the outlets are different when the internal valve core is in different positions. If the left and right outlets of the valve core are the same, both outlets of the three-way valve remain unobstructed. When the valve core rotates to block one outlet, one of the outlets will be the same as the inlet. The structure of the regulating valve core is located above the three-way valve.

[0004] Since the direction of the three-way valve delivery needs to be changed, the valve core needs to be frequently driven to rotate through the external adjustment structure. After a period of time, wear and tear may easily occur between the rod of the adjustment valve core and the three-way valve, causing leakage, which affects the use of the three-way valve.

[0005] Therefore, it is necessary to provide a three-way valve device with a modified internal sealing structure to solve the above technical problems. Utility Model Content

[0006] The utility model provides a three-way valve device with a modified internal sealing structure, which solves the problem that the three-way valve frequently controls the conveying direction by adjusting the valve core during use, which easily causes leakage between the valve core adjusting rod and the three-way valve due to wear and affects the normal use of the three-way valve.

[0007] In order to solve the above technical problems, the three-way valve device with internal sealing structure modification provided by the utility model comprises: a three-way valve housing;

[0008] A mounting ring, wherein the mounting ring is fixedly connected to the top of the three-way valve housing, two mounting grooves are provided on the top of the mounting ring, a first sealing ring is provided inside each of the mounting grooves, a sealing disk is installed on the top of the mounting ring by bolts, a sealing tube is fixedly connected to the top of the sealing disk, an adjusting rod is rotatably connected to the top of the sealing tube, an adjusting disk is installed on the top of the adjusting rod, a fixing rod is fixedly connected to the bottom of the adjusting rod, and a third sealing ring is provided on the outer surface of the fixing rod;

[0009] The valve core is fixedly connected to the bottom end of the fixing rod, a docking bucket is arranged on the top of the valve core, a sealing bucket is arranged inside the docking bucket, and three conveying ports are opened on the outer surface of the valve core.

[0010] The mounting ring is located at the intersection of the top of the three-way valve. The adjusting rod passes through the top of the sealing tube. The sealing bucket also plays a sealing role and is sleeved on the outer surface of the fixed rod. The docking bucket and the sealing disk are in contact with the valve core. The third sealing ring is located inside the sealing tube. The valve core is located at the intersection of the three-way valve. The delivery direction is adjusted by adjusting the angle of the delivery port on the outer surface of the valve core. The delivery port is located in three directions on the outer surface of the valve core.

[0011] Preferably, a connecting ring is fixedly connected to the top end of the sealing tube, and a second sealing ring is installed inside the connecting ring.

[0012] The second sealing ring is sleeved on the outer surface of the adjusting rod.

[0013] Preferably, a sealing sleeve is provided on the outer surface of the valve core, and a limit bolt is fixedly connected to the bottom of the valve core.

[0014] The sealing sleeve is sleeved on the outer surface of the valve core but there is no position for the delivery port. The sealing sleeve increases the contact between the valve core and the inside of the three-way valve. The bottom of the inner wall of the three-way valve housing is provided with a port for the limit bolt to be inserted.

[0015] Preferably, the three ports of the three-way valve housing are all fixedly connected with fixing rings, and the inner surface of the fixing ring near the other end is provided with internal threads.

[0016] The fixing ring and the three-way valve housing are welded together.

[0017] Preferably, a fourth sealing ring is provided inside the fixing ring, and the other end of the fixing ring is threadedly connected to an external threaded pipe.

[0018] Preferably, the other end of the externally threaded tube is fixedly connected to a butt joint tube, and the outer surface of the butt joint tube is provided with anti-slip textures.

[0019] The butt pipe is connected to the pipeline, and the inside of the butt pipe is flat.

[0020] Compared with the related art, the three-way valve device with internal sealing structure modification provided by the utility model has the following beneficial effects:

[0021] The utility model provides a three-way valve device with an internal sealing structure modification. In order to increase the sealing performance between the valve core and the three-way valve housing when the three-way valve is in use, two installation grooves are provided on the installation ring, and two first sealing rings are inserted into the inside of the installation grooves. Then, a sealing disk with an installation groove at the bottom is installed on the top of the installation ring through bolts, and a sealing tube is installed on the top of the sealing disk. A third sealing ring through which a fixing rod can pass is installed inside the sealing tube. An adjusting disk is installed on the top of the fixing rod through an adjusting rod, and a valve core with three delivery ports is installed on the bottom of the fixing rod. The valve core is located at the intersection of the three-way valve, and a docking bucket is installed on the top of the valve core. The interior of the valve has a sealing bucket wrapped around the outer surface of the fixed rod. In actual use, the direction of the delivery port on the valve core is adjusted by adjusting the adjustment disk to control the delivery direction. The docking bucket and the top contact of the valve core are used to isolate a space for the outer surface of the fixed rod to prevent liquid from entering. At the same time, the sealing disk and the mounting ring are sealed by two first sealing rings, and the interior of the docking bucket is sealed by the sealing bucket to prevent liquid from entering the interior of the sealing tube. Through this structure, multiple seals such as the first sealing ring, the third sealing ring and the sealing bucket can be used to increase the sealing performance between the three-way valve housing and the adjusting rod and the fixed rod, and reduce the situation in which leakage caused by severe wear of a single sealing structure affects the use of the three-way valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A structural schematic diagram of a preferred embodiment of a three-way valve device with an internal sealing structure modified according to the utility model;

[0023] Figure 2 A structural schematic diagram of a mounting ring is provided for the utility model;

[0024] Figure 3 A structural schematic diagram of an adjustment rod is provided for the utility model;

[0025] Figure 4 A schematic diagram of the structure of the valve core is provided for the utility model;

[0026] Figure 5 The utility model provides a structural schematic diagram of a fourth sealing ring.

[0027] Numbers in the figure: 1. three-way valve housing, 2. sealing tube, 3. docking tube, 4. fixing ring, 5. mounting ring, 6. sealing disk, 7. adjusting disk, 8. bolt, 9. adjusting rod, 10. connecting ring, 11. docking bucket, 12. fixing rod, 13. sealing bucket, 14. first sealing ring, 15. mounting groove, 16. internal thread, 17. second sealing ring, 18. external threaded tube, 19. third sealing ring, 20. valve core, 21. sealing sleeve, 22. delivery port, 23. limit bolt, 24. fourth sealing ring. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0029] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a three-way valve device with an internal sealing structure modified according to the utility model; Figure 2 A structural schematic diagram of a mounting ring is provided for the utility model; Figure 3 A structural schematic diagram of an adjustment rod is provided for the utility model; Figure 4 A schematic diagram of the structure of the valve core is provided for the utility model; Figure 5 The utility model provides a structural schematic diagram of a sealing ring. The three-way valve device with modified internal sealing structure comprises: a three-way valve housing 1;

[0030] A mounting ring 5, the mounting ring 5 is fixedly connected to the top of the three-way valve housing 1, two mounting grooves 15 are provided on the top of the mounting ring 5, the first sealing ring 14 is provided inside the mounting grooves 15, a sealing disk 6 is installed on the top of the mounting ring 5 through a bolt 8, a sealing tube 2 is fixedly connected to the top of the sealing disk 6, an adjusting rod 9 is rotatably connected to the top of the sealing tube 2, an adjusting disk 7 is installed on the top of the adjusting rod 9, a fixing rod 12 is fixedly connected to the bottom of the adjusting rod 9, and a third sealing ring 19 is provided on the outer surface of the fixing rod 12;

[0031] The valve core 20 is fixedly connected to the bottom end of the fixing rod 12 , a docking bucket 11 is arranged on the top of the valve core 20 , a sealing bucket 13 is arranged inside the docking bucket 11 , and three conveying ports 22 are opened on the outer surface of the valve core 20 .

[0032] The mounting ring 5 is located at the intersection of the top of the three-way valve, the adjusting rod 9 passes through the top of the sealing tube 2, the sealing bucket 13 also plays a sealing role, and is sleeved on the outer surface of the fixing rod 12, the docking bucket 11 and the sealing disk 6 are in contact with the valve core 20, the third sealing ring 19 is located inside the sealing tube 2, the valve core 20 is located at the intersection of the three-way valve, and the delivery direction is adjusted by adjusting the angle of the delivery port 22 on the outer surface of the valve core 20. The delivery port 22 is located in three directions on the outer surface of the valve core 20. The outer surface of the valve core 20 has a sealing surface which mainly plays a blocking role.

[0033] A connecting ring 10 is fixedly connected to the top end of the sealing tube 2 , and a second sealing ring 17 is installed inside the connecting ring 10 .

[0034] The second sealing ring 17 is sleeved on the outer surface of the adjusting rod 9, and the interior of the sealing tube 2 is empty.

[0035] The outer surface of the valve core 20 is provided with a sealing sleeve 21 , and the bottom of the valve core 20 is fixedly connected with a limit pin 23 .

[0036] The sealing sleeve 21 is sleeved on the outer surface of the valve core 20 but there is no position for the delivery port 22. The sealing sleeve 21 increases the contact between the valve core 20 and the inside of the three-way valve. The bottom of the inner wall of the three-way valve housing 1 is provided with a port for the limit bolt 23 to be inserted.

[0037] The three ports of the three-way valve housing 1 are all fixedly connected with a fixing ring 4 , and the inner surface of the fixing ring 4 near the other end is provided with an internal thread 16 .

[0038] The fixing ring 4 and the three-way valve housing 1 are welded together.

[0039] The fixing ring 4 is provided with a fourth sealing ring 24 inside, and the other end of the fixing ring 4 is threadedly connected with an external threaded pipe 18 .

[0040] After being threadedly connected to the fixing ring 4, one end of the external threaded pipe 18 will contact the fourth sealing ring 24 to prevent water leakage.

[0041] The other end of the external threaded tube 18 is fixedly connected to a butt joint tube 3 , and the outer surface of the butt joint tube 3 is provided with anti-slip textures.

[0042] The butt-joint pipe 3 is connected to the pipeline, the inside of the butt-joint pipe 3 is flat, and the outer surfaces of the butt-joint pipe 3 and the fixing ring 4 are both provided with anti-slip textures.

[0043] The working principle of the three-way valve device with internal sealing structure modification provided by the utility model is as follows:

[0044] Two mounting grooves 15 are provided on the mounting ring 5, and two first sealing rings 14 are inserted into the mounting grooves 15. Then, the sealing disk 6 with the mounting grooves 15 at the bottom is installed on the top of the mounting ring 5 through bolts 8. A sealing tube 2 is installed on the top of the sealing disk 6. A third sealing ring 19 through which the fixing rod 12 can pass is installed inside the sealing tube 2. The top of the fixing rod 12 is provided with an adjusting disk 7 through an adjusting rod 9. The bottom of the fixing rod 12 is provided with a valve core 20 with three delivery ports 22. The valve core 20 is located at the intersection of the three-way valve, and the valve core A docking bucket 11 is installed on the top of 20, and a sealing bucket 13 wrapped around the outer surface of the fixed rod 12 is provided inside the docking bucket 11. In actual use, the direction of the delivery port 20 on the valve core 20 is adjusted by adjusting the adjustment disk 7 to control the delivery direction. The docking bucket 11 and the top contact of the valve core 20 are used to isolate a space on the outer surface of the fixed rod 12 to prevent liquid from entering. At the same time, the sealing disk 6 and the mounting ring 5 are sealed by two first sealing rings 14, and the interior of the docking bucket 11 is sealed by the sealing bucket 13 to prevent liquid from entering the interior of the sealing tube 2.

[0045] Compared with the related art, the three-way valve device with internal sealing structure modification provided by the utility model has the following beneficial effects:

[0046] In order to increase the sealing performance between the valve core 20 and the three-way valve housing 1 when the three-way valve is in use, two mounting grooves 15 are provided on the mounting ring 5, and the two first sealing rings 14 are inserted into the mounting grooves 15, and then the sealing disk 6 with the mounting grooves 15 at the bottom is installed on the top of the mounting ring 5 through the bolts 8, and the sealing tube 2 is installed on the top of the sealing disk 6, and the third sealing ring 19 through which the fixing rod 12 can pass is installed inside the sealing tube 2, and the adjusting disk 7 is installed on the top of the fixing rod 12 through the adjusting rod 9, and the valve core 20 with three delivery ports 22 is installed at the bottom of the fixing rod 12, the valve core 20 is located at the intersection of the three-way valve, and a docking bucket 11 is installed on the top of the valve core 20, and there is a package wrapped in the docking bucket 11. The sealing bucket 13 on the outer surface of the fixed rod 12 is used to adjust the direction of the delivery port 20 on the valve core 20 through the adjusting disk 7 to control the delivery direction in actual use. The top contact between the docking bucket 11 and the valve core 20 is used to isolate a space on the outer surface of the fixed rod 12 to prevent liquid from entering. At the same time, the two first sealing rings 14 are used to seal the sealing disk 6 and the mounting ring 5, and the interior of the docking bucket 11 is sealed by the sealing bucket 13 to prevent liquid from entering the interior of the sealing tube 2. Through this structure, multiple seals such as the first sealing ring 14, the third sealing ring 19 and the sealing bucket 13 can be used to increase the sealing between the three-way valve housing 1 and the adjusting rod 9 and the fixed rod 12, thereby reducing the situation in which leakage caused by severe wear of a single sealing structure affects the use of the three-way valve.

[0047] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A three-way valve device with modified internal sealing structure, characterized in that: Includes: a three-way valve housing; A mounting ring, wherein the mounting ring is fixedly connected to the top of the three-way valve housing, two mounting grooves are provided on the top of the mounting ring, a first sealing ring is provided inside each of the mounting grooves, a sealing disk is installed on the top of the mounting ring by bolts, a sealing tube is fixedly connected to the top of the sealing disk, an adjusting rod is rotatably connected to the top of the sealing tube, an adjusting disk is installed on the top of the adjusting rod, a fixing rod is fixedly connected to the bottom of the adjusting rod, and a third sealing ring is provided on the outer surface of the fixing rod; The valve core is fixedly connected to the bottom end of the fixing rod, a docking bucket is arranged on the top of the valve core, a sealing bucket is arranged inside the docking bucket, and three conveying ports are opened on the outer surface of the valve core.

2. The three-way valve device with internal sealing structure modification according to claim 1 is characterized in that: The top end of the sealing tube is fixedly connected with a connecting ring, and a second sealing ring is installed inside the connecting ring.

3. The three-way valve device with modified internal sealing structure according to claim 1, characterized in that: The outer surface of the valve core is provided with a sealing sleeve, and the bottom of the valve core is fixedly connected with a limit bolt.

4. The three-way valve device with modified internal sealing structure according to claim 1, characterized in that: The three ports of the three-way valve housing are all fixedly connected with fixing rings, and the inner surface of the fixing ring near the other end is provided with internal threads.

5. The three-way valve device with modified internal sealing structure according to claim 4, characterized in that: A fourth sealing ring is arranged inside the fixing ring, and the other end of the fixing ring is threadedly connected with an external threaded pipe.

6. The three-way valve device with modified internal sealing structure according to claim 5, characterized in that: The other end of the externally threaded pipe is fixedly connected to a butt-joint pipe, and the outer surface of the butt-joint pipe is provided with anti-slip textures.

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