CN217355658U - Three-way regulating valve convenient to maintain - Google Patents
Three-way regulating valve convenient to maintain Download PDFInfo
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- CN217355658U CN217355658U CN202221002356.5U CN202221002356U CN217355658U CN 217355658 U CN217355658 U CN 217355658U CN 202221002356 U CN202221002356 U CN 202221002356U CN 217355658 U CN217355658 U CN 217355658U
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- sealing ring
- valve
- seat
- sealing
- water outlet
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Abstract
A three-way regulating valve convenient to maintain comprises a valve seat, a valve rod, a valve core, a valve cover and a lower water outlet pipeline; the lower water outlet pipeline is in threaded connection below the valve seat; the valve rod is in threaded connection with the valve cover, and the bottom end of the valve rod penetrates through the valve cover to be connected with the valve core; a water inlet channel is arranged on the left side in the valve seat, and a first water outlet channel is arranged on the right side in the valve seat; a second water outlet channel is arranged in the lower water outlet pipeline; the upper end of the lower water outlet pipeline is provided with a threaded connecting end; the upper thread of the thread connecting end is connected with a lower sealing ring seat; the valve seat is provided with a water inlet; the water inlet of the valve seat is in threaded connection with an upper sealing ring seat. The utility model discloses go on through case contact upper seal ring seat and lower seal ring seat when opening or closing of two water outlet channel of control, consequently only can wear and tear upper seal ring seat and lower seal ring seat in the use, and also only need change in the maintenance upper seal ring seat with lower seal ring seat can, practice thrift cost of maintenance.
Description
Technical Field
The utility model relates to a three-way control valve of convenient maintenance.
Background
The three-way regulating valve consists of a straight-stroke electronic electric actuator and a three-way converging (diverging) valve with a cylindrical thin-wall window-shaped valve core. The device has the advantages of compact structure, light weight, sensitive action and accurate flow characteristic, can be controlled to operate by directly receiving control signals (4-20mA DC0-10mA DC or 1-5V DC) and the like input by an adjusting instrument and a single-phase power supply, realizes automatic adjustment and control of fluid media of a process pipeline, and is widely applied to accurately controlling process parameters of media such as gas, liquid, steam and the like, such as pressure, flow, temperature, liquid level and the like to be kept at given values. It is suitable for the working condition that one fluid is divided into two paths to flow out through the three-way valve or two fluids are combined into one fluid through the three-way valve.
The existing three-way regulating valve is generally composed of a valve seat, a valve rod, a valve core and a valve cover, wherein a water inlet channel and two water outlet channels are arranged in the valve seat, the opening or closing of the two water outlet channels is controlled by the valve core, however, when the valve seat is used for a long time, the contact surface of the valve seat and the valve core is easy to wear, when the valve seat is worn to a certain degree, the valve seat can not be normally used, only the whole valve seat can be replaced, and therefore the three-way regulating valve capable of reducing the maintenance cost is required.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is exactly for solving the technical problem that provides a three-way control valve that can reduce cost of maintenance.
In order to solve the technical problem, the utility model relates to a three-way control valve's of convenient maintenance technical solution does:
the valve comprises a valve seat, a valve rod, a valve core, a valve cover and a lower water outlet pipeline; the lower water outlet pipeline is in threaded connection below the valve seat; the valve cover is detachably connected above the valve seat; the valve rod is in threaded connection with the valve cover, and the bottom end of the valve rod penetrates through the valve cover to be connected with the valve core; a water inlet channel is arranged on the left side in the valve seat, and a first water outlet channel is arranged on the right side in the valve seat; a second water outlet channel is arranged in the lower water outlet pipeline; the upper end of the lower water outlet pipeline is provided with a threaded connecting end; the upper thread of the thread connecting end is connected with a lower sealing ring seat sealed by a valve core; a water inlet is formed between the water inlet channel and the first water outlet channel of the valve seat; the water inlet channel is communicated with the first water outlet channel through a water inlet; the water inlet of the valve seat is in threaded connection with an upper sealing ring seat sealed through a valve core; the valve core is positioned between the upper sealing ring seat and the lower sealing ring seat.
An outer extension ring is connected below the upper sealing ring seat; a first sealing ring groove is formed above the outer extension ring; two first sealing inner walls are arranged on the first sealing ring groove; a second sealing ring groove is formed below the joint of the valve seat and the upper sealing ring seat; two second sealing inner walls are arranged on the second sealing ring grooves; a first sealing ring is connected between the first sealing ring and the second sealing ring groove; the first sealing ring is respectively attached to the two first sealing inner walls and the two second sealing inner walls.
A third sealing ring groove is formed below the lower sealing ring seat; two third sealing inner walls are arranged on the third sealing ring groove; a fourth sealing ring groove is formed above the lower water outlet pipeline; two fourth sealing inner walls are arranged on the fourth sealing ring groove; a second sealing ring is connected between the third sealing ring groove and the fourth sealing ring groove; the second sealing ring is respectively attached to the two third sealing inner walls and the two fourth sealing inner walls.
The outer side of the middle part of the valve core is connected with a sealing ring; a first sealing inclined plane is arranged above the sealing ring, and a second sealing inclined plane is arranged below the sealing ring; a third sealing inclined plane matched with the first sealing inclined plane is formed on the inner side below the upper sealing ring seat; and a fourth sealing inclined plane matched with the second sealing inclined plane is formed on the inner side above the lower sealing ring seat.
And a third sealing ring is connected between the lower water outlet pipeline and the valve seat.
The valve rod is in threaded connection with the valve core.
The utility model discloses the technological effect that can reach is: the utility model discloses go on through case contact upper seal ring seat and lower seal ring seat when opening or closing of two water outlet channel of control, consequently only can wear and tear upper seal ring seat and lower seal ring seat in the use, and also only need change in the maintenance upper seal ring seat with lower seal ring seat can, practice thrift cost of maintenance.
Drawings
The present invention will be described in further detail with reference to the following drawings and detailed description:
FIG. 1 is a schematic structural view of a three-way control valve of the present invention for easy maintenance;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
FIG. 4 is an enlarged view of section C of FIG. 2;
fig. 5 is an explosion diagram of the three-way regulating valve of the utility model, which is convenient to maintain.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
See fig. 1-5.
A three-way regulating valve convenient to maintain comprises a valve seat 1, a valve rod 2, a valve core 3, a valve cover 4 and a lower water outlet pipeline 5; the lower water outlet pipeline 5 is in threaded connection with the lower part of the valve seat 1; the valve cover 4 is detachably connected above the valve seat 1; the valve rod 2 is in threaded connection with the valve cover 4, and the bottom end of the valve rod 2 penetrates through the valve cover 4 to be connected with the valve core 3; a water inlet channel 20 is arranged on the left side in the valve seat 1, and a first water outlet channel 6 is arranged on the right side; a second water outlet channel 7 is arranged in the lower water outlet pipeline 5; the upper end of the lower water outlet pipeline 5 is provided with a threaded connection end 31; the thread connecting end 31 is connected with a lower sealing ring seat 8 sealed by the valve core 3 through threads; a water inlet 9 is formed between the water inlet channel 20 and the first water outlet channel 6 of the valve seat 1; the water inlet channel 20 is communicated with the first water outlet channel 6 through a water inlet 9; an upper sealing ring seat 10 sealed by the valve core 3 is connected to the water inlet 9 of the valve seat 1 through threads; the valve core 3 is positioned between the upper sealing ring seat 10 and the lower sealing ring seat 8.
Specifically, an outer extension ring 11 is connected below the upper sealing ring seat 10; a first sealing ring groove is formed above the outer extension ring 11; two first sealing inner walls 12 are arranged on the first sealing ring groove; a second sealing ring groove is formed below the joint of the valve seat 1 and the upper sealing ring seat 10; two second sealing inner walls 13 are arranged on the second sealing ring grooves; a first sealing ring 14 is connected between the first sealing ring and the second sealing ring groove; the first sealing ring 14 is respectively attached to the two first sealing inner walls 12 and the two second sealing inner walls 13.
Specifically, a third sealing ring groove is formed below the lower sealing ring seat 8; two third sealing inner walls 15 are arranged on the third sealing ring groove; a fourth sealing ring groove is formed above the lower water outlet pipeline 5; two fourth sealing inner walls 16 are arranged on the fourth sealing ring groove; a second sealing ring 17 is connected between the third sealing ring groove and the fourth sealing ring groove; the second seal ring 17 is respectively attached to the two third seal inner walls 15 and the two fourth seal inner walls 16.
Specifically, the outer side of the middle part of the valve core 3 is connected with a sealing ring 21; a first sealing inclined surface 22 is arranged above the sealing ring 21, and a second sealing inclined surface 23 is arranged below the sealing ring; a third sealing inclined plane 24 matched with the first sealing inclined plane 22 is formed on the inner side below the upper sealing ring seat 10; and a fourth sealing inclined plane 25 matched with the second sealing inclined plane 23 is formed on the inner side above the lower sealing ring seat 8.
Specifically, a third sealing ring 18 is connected between the lower water outlet pipe 5 and the valve seat 1.
Specifically, the valve rod 2 is in threaded connection with the valve core 3.
Instructions for use: the utility model has the advantages that the valve cover 4 is connected above the valve seat 1 by screw thread, as the optimization, glue is coated between the valve cover 4 and the valve seat 1 to prevent looseness, the valve rod 2 is connected with the valve seat 1 by screw thread, and the lower end of the valve rod 2 is connected with the valve core 3; when the first water outlet channel 6 needs to be closed, the valve rod 2 is moved upwards by rotating the valve rod 2, and the valve core 3 is driven to also move upwards until the outer wall of the valve core 3 is attached to the inner wall of the upper sealing ring seat 10, at this time, the first water outlet channel 6 is closed (water cannot enter the first water outlet channel 6 from the water inlet channel 20), as an optimization, the outer side of the middle part of the valve core 3 is connected with a sealing ring 21, a first sealing inclined surface 22 is arranged above the sealing ring 21, a third sealing inclined surface 24 matched with the first sealing inclined surface 22 is arranged on the inner side below the upper sealing ring seat 10, and the valve core 3 is moved upwards until the first sealing inclined surface 22 and the third sealing inclined surface 24 are attached to each other, so that the sealing effect is better; when the second water outlet channel 7 needs to be closed, the valve rod 2 rotates reversely, the valve rod 2 moves downwards and drives the valve core 3 to move downwards until the outer wall of the valve core 3 is attached to the inner wall of the lower sealing ring seat 8, at the moment, the second water outlet channel 7 is closed (water cannot enter the second water outlet channel 7 from the water inlet channel 20), preferably, the outer side of the middle of the valve core 3 is connected with the sealing ring 21, the second sealing inclined surface 23 is arranged below the sealing ring 21, the fourth sealing inclined surface 25 matched with the second sealing inclined surface 23 is arranged on the inner side above the lower sealing ring seat 8, and the sealing effect is better when the valve core 3 moves downwards to the second sealing inclined surface 23 and the fourth sealing inclined surface 25 are attached to each other. When the lower sealing ring seat 8 and the upper sealing ring seat 10 are damaged after long-term use, only the lower sealing ring seat 8 and the upper sealing ring seat 10 need to be replaced, the lower sealing ring seat 8 is connected to the threaded connection end 31 of the lower water outlet pipeline 5 in a threaded mode, and the upper sealing ring seat 10 is connected to the valve seat 1 in a threaded mode.
Preferably, a first sealing ring 14 is connected between the upper sealing ring seat 10 and the valve seat 1, and the first sealing ring 14 is respectively attached to the two first sealing inner walls 12 and the two second sealing inner walls 13, so that the sealing effect is good; a second sealing ring 17 is connected between the lower sealing ring seat 8 and the lower water outlet pipe 5, the second sealing ring 17 is respectively attached to the two third sealing inner walls 15 and the two fourth sealing inner walls 16, and the sealing effect is good.
Preferably, a third sealing ring 18 is connected between the lower outlet conduit 5 and the valve seat 1.
Claims (6)
1. The utility model provides a three-way control valve of convenient maintenance, includes disk seat (1), valve rod (2), case (3) and valve gap (4), its characterized in that: also comprises a lower water outlet pipeline (5); the lower water outlet pipeline (5) is in threaded connection with the lower part of the valve seat (1); the valve cover (4) is detachably connected above the valve seat (1); the valve rod (2) is in threaded connection with the valve cover (4), and the bottom end of the valve rod (2) penetrates through the valve cover (4) to be connected with the valve core (3); a water inlet channel (20) is arranged on the left side in the valve seat (1), and a first water outlet channel (6) is arranged on the right side; a second water outlet channel (7) is arranged in the lower water outlet pipeline (5); the upper end of the lower water outlet pipeline (5) is provided with a threaded connection end (31); the thread connecting end (31) is connected with a lower sealing ring seat (8) sealed by the valve core (3) in a thread way; a water inlet (9) is formed between the water inlet channel (20) and the first water outlet channel (6) of the valve seat (1); the water inlet channel (20) is communicated with the first water outlet channel (6) through a water inlet (9); an upper sealing ring seat (10) sealed by a valve core (3) is connected to the water inlet (9) of the valve seat (1) through threads; the valve core (3) is positioned between the upper sealing ring seat (10) and the lower sealing ring seat (8).
2. The three-way regulating valve convenient to maintain of claim 1, characterized in that: an outer extension ring (11) is connected below the upper sealing ring seat (10); a first sealing ring groove is formed above the outer extension ring (11); two first sealing inner walls (12) are arranged on the first sealing ring groove; a second sealing ring groove is formed below the joint of the valve seat (1) and the upper sealing ring seat (10); two second sealing inner walls (13) are arranged on the second sealing ring grooves; a first sealing ring (14) is connected between the first sealing ring and the second sealing ring groove; the first sealing ring (14) is respectively attached to the two first sealing inner walls (12) and the two second sealing inner walls (13).
3. The three-way regulating valve convenient to maintain as claimed in claim 1, wherein: a third sealing ring groove is formed below the lower sealing ring seat (8); two third sealing inner walls (15) are arranged on the third sealing ring groove; a fourth sealing ring groove is formed above the lower water outlet pipeline (5); two fourth sealing inner walls (16) are arranged on the fourth sealing ring groove; a second sealing ring (17) is connected between the third sealing ring groove and the fourth sealing ring groove; the second sealing ring (17) is respectively attached to the two third sealing inner walls (15) and the two fourth sealing inner walls (16).
4. The three-way regulating valve convenient to maintain as claimed in claim 1, wherein: the outer side of the middle part of the valve core (3) is connected with a sealing ring (21); a first sealing inclined plane (22) is arranged above the sealing ring (21), and a second sealing inclined plane (23) is arranged below the sealing ring; a third sealing inclined plane (24) matched with the first sealing inclined plane (22) is formed on the inner side below the upper sealing ring seat (10); and a fourth sealing inclined plane (25) matched with the second sealing inclined plane (23) is formed on the inner side above the lower sealing ring seat (8).
5. The three-way regulating valve convenient to maintain as claimed in claim 1, wherein: and a third sealing ring (18) is connected between the lower water outlet pipeline (5) and the valve seat (1).
6. The three-way regulating valve convenient to maintain as claimed in claim 1, wherein: the valve rod (2) is in threaded connection with the valve core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221002356.5U CN217355658U (en) | 2022-04-27 | 2022-04-27 | Three-way regulating valve convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221002356.5U CN217355658U (en) | 2022-04-27 | 2022-04-27 | Three-way regulating valve convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217355658U true CN217355658U (en) | 2022-09-02 |
Family
ID=83057507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221002356.5U Active CN217355658U (en) | 2022-04-27 | 2022-04-27 | Three-way regulating valve convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217355658U (en) |
-
2022
- 2022-04-27 CN CN202221002356.5U patent/CN217355658U/en active Active
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