CN219796203U - Electric three-way valve - Google Patents
Electric three-way valve Download PDFInfo
- Publication number
- CN219796203U CN219796203U CN202321023485.7U CN202321023485U CN219796203U CN 219796203 U CN219796203 U CN 219796203U CN 202321023485 U CN202321023485 U CN 202321023485U CN 219796203 U CN219796203 U CN 219796203U
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- Prior art keywords
- valve
- way valve
- limiting
- electric
- wall
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- 238000007789 sealing Methods 0.000 claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- Multiple-Way Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model discloses an electric three-way valve, which comprises a three-way valve body, wherein a valve cavity is arranged in the three-way valve body, three valve ports communicated with the valve cavity are arranged on the three-way valve body, a sealing seat is fixed in each valve port through a connecting piece, an actuator is arranged above the three-way valve body, the output end of the actuator is connected with a valve ball through a valve rod, the valve ball is positioned in the valve cavity, and the actuator drives the valve ball to rotate, so that the valve ports are communicated or disconnected. The electric three-way valve provided by the utility model has the advantages of stable and reliable structure, reduced assembly difficulty, improved assembly efficiency and reduced production cost.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to an electric three-way valve.
Background
The existing plastic electric three-way valve, the three-way valve body and the sealing seat are generally fixed by adopting screw connection, in order to ensure the sealing effect between the sealing seat and the valve ball, the screw needs to be pre-tightened in the installation process, otherwise, the screw is screwed and fixed before, the screw at the back is limited by the fixed position because of the screw at the front, and a gap exists between the sealing seat and the valve ball, in addition, in order to avoid overlarge torque force when the screw is screwed, the screw is screwed by generally adopting a torque wrench, the assembly cost is high, and the assembly efficiency is low.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide an electric three-way valve, which aims to solve the problems of high assembly cost and low assembly efficiency caused by the adoption of screw connection between a three-way valve body and a sealing seat in the prior art.
In order to achieve the above purpose, the utility model provides an electric three-way valve, which comprises a three-way valve body, wherein a valve cavity is arranged in the three-way valve body, three valve ports communicated with the valve cavity are arranged on the three-way valve body, a sealing seat is fixed in each valve port through a connecting piece, an actuator is arranged above the three-way valve body, the output end of the actuator is connected with a valve ball through a valve rod, the valve ball is positioned in the valve cavity, and the actuator drives the valve ball to rotate, so that the valve ports are communicated or disconnected.
Still further, the limit groove has been seted up to the valve port inner wall, the seal seat outer wall be equipped with the limit boss that the limit groove corresponds, the limit hole has still been seted up to the limit groove lateral wall, the limit boss is in the limit groove rotation certain angle card is established in the limit hole.
Furthermore, the three-way valve body is also provided with a connecting hole, and the outer wall of the sealing seat is provided with a connecting groove corresponding to the connecting hole.
Furthermore, a first limiting step is arranged on the inner wall of the valve port, a second limiting step corresponding to the first limiting step is arranged on the outer wall of the sealing seat, and a first sealing piece is arranged between the first limiting step and the second limiting step in an extrusion mode.
Further, a mounting groove is formed in the end portion, close to the valve ball, of the sealing seat, a second sealing piece and a lining piece, wherein the second sealing piece and the lining piece are coaxially arranged in the mounting groove, and the lining piece is used for being matched with the valve ball to conduct connection or disconnection of the valve port.
Further, the three-way valve body and the actuator are fixedly connected through a connecting piece.
Furthermore, the outer wall of the three-way valve body is provided with a buckle for limiting the connecting piece.
Further, a shaft flat position is arranged at the upper end of the valve rod, and a sliding groove corresponding to the shaft flat position is arranged on an output shaft of the actuator.
Still further, the valve rod bottom is equipped with arc spacing portion, set up on the valve ball with arc groove that arc spacing portion corresponds, arc spacing portion top is equipped with be used for with the spacing arc fender platform of valve pocket inner wall.
Further, the connecting piece is a U-shaped contact pin.
Compared with the prior art, the three-way valve body and the sealing seat are fixed by adopting the connecting piece, so that the assembly is simple and convenient; in addition, the installation and positioning are carried out through the matching of the limiting boss and the limiting groove, so that the accurate installation position is ensured; meanwhile, the first sealing piece is arranged, so that the sealing effect between the valve body and the sealing seat is improved; the second sealing element and the lining element are arranged, so that the sealing effect between the sealing seat and the valve ball is further improved, and the structure is stable and reliable; in addition, the three-way valve body and the actuator are fixed by adopting a connecting piece, so that the screw fixing can be replaced, the structure of the actuator is simplified, and the overall production cost of the three-way valve is reduced.
Drawings
FIG. 1 is a schematic diagram of an electric three-way valve according to the present utility model;
FIG. 2 is a cross-sectional view of an electric three-way valve provided by the present utility model;
FIG. 3 is a cross-sectional view of a seal seat of the electric three-way valve provided by the utility model;
FIG. 4 is a schematic view of the structure of a three-way valve body of the electric three-way valve provided by the utility model;
fig. 5 is a schematic structural view of a seal seat of the electric three-way valve provided by the utility model;
FIG. 6 is an assembled schematic view of a seal seat of the electric three-way valve provided by the utility model;
fig. 7 is an assembly schematic diagram of a valve rod of the electric three-way valve provided by the utility model.
The corresponding structure of each numerical mark in the attached drawings is as follows: the valve comprises a 1-three-way valve body, an 11-valve cavity, a 12-valve port, a 121-limit groove, a 122-limit hole, a 123-connecting hole, a 124-first limit step, a 13-buckle, a 2-seal seat, a 21-limit boss, a 22-connecting groove, a 23-second limit step, a 24-mounting groove, a 3-actuator, a 31-chute, a 4-valve rod, a 41-shaft flat position, a 42-arc limit part, a 43-arc baffle, a 5-valve ball, a 51-arc groove, a 6-connecting piece, a 7-first sealing piece, an 8-second sealing piece and a 9-lining piece.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 7, the utility model provides an electric three-way valve, as shown in fig. 1 and 2, which comprises a three-way valve body 1, wherein a valve cavity 11 is arranged in the three-way valve body 1, three valve ports 12 communicated with the valve cavity 11 are arranged on the three-way valve body 1, a sealing seat 2 is fixed in each valve port 12 for realizing the sealing between the valve ports 12 and a valve ball 5, and the sealing seat 2 is fixed by adopting a connecting piece 6 for replacing screw connection so as to improve the assembly efficiency; an actuator 3 is arranged above the three-way valve body 1, the actuator 3 is used as a power element for driving the valve ball 5 to rotate, the output end of the actuator 3 is connected with the valve ball 5 through a valve rod 4, the valve ball 5 is positioned in a valve cavity 11, and the actuator 3 drives the valve ball 5 to rotate, so that all valve ports 12 are communicated or disconnected.
Further, in order to facilitate the installation and positioning of the valve port 12 and the sealing seat 2, a limiting groove 121 is formed in the inner wall of the valve port 12, meanwhile, a limiting boss 21 corresponding to the limiting groove 121 is arranged on the outer wall of the sealing seat 2, a limiting hole 122 is formed in the side wall of the limiting groove 121, when the valve port is installed, the limiting boss 21 is clamped into the limiting groove 121, and after a certain angle is rotated, the limiting boss 21 is finally clamped in the limiting hole 122, so that the valve port 12 and the sealing seat 2 are prevented from being separated.
In order to facilitate the installation of the connecting piece 6, a connecting hole 123 is further formed in the three-way valve body 12, meanwhile, a connecting groove 22 corresponding to the connecting hole 123 is formed in the outer wall of the sealing seat 2, and during the installation, the connecting piece 6 is inserted into the connecting groove 22 through the connecting hole 123 to clamp and fix the sealing seat 2.
In order to improve the sealing effect between the sealing seat 2 and the valve port 12, referring to fig. 3, a first limiting step 124 is provided on the inner wall of the valve port 12, a second limiting step 23 corresponding to the first limiting step is provided on the outer wall of the sealing seat 2, a first sealing member 7 is extruded between the first limiting step 124 and the second limiting step 23, when the sealing seat 2 is fixed by the connecting member 6, sealing is achieved through extrusion deformation of the first sealing member 7, the first sealing member 7 is made of flexible materials such as rubber or silica gel, in this embodiment, the first sealing member 7 is annular, and the cross section is elliptical.
Referring to fig. 7, the valve ball 5 is hollow, the side wall of the valve ball 5 is provided with openings corresponding to three valve ports 12, in order to ensure the sealing effect between the sealing seat 2 and the valve ball 5, the end of the sealing seat 2 close to the valve ball 5 is provided with a mounting groove 24, the mounting groove 24 is internally and coaxially provided with a second sealing element 8 and a lining element 9 for being matched with the valve ball 5 to conduct connection or disconnection of the valve ports 12, wherein the second sealing element 8 and the first sealing element 7 are made of the same material, and the lining element 9 is made of polytetrafluoroethylene materials.
In the prior art, most of the three-way valve body 1 and the actuator 3 are also fixed by adopting screw connection, a positioning column is required to be added at the connecting part of the actuator, threads are arranged on the positioning column, and meanwhile, accessories such as a movable nut are matched to fix the three-way valve body 1, so that the structure of the actuator 3 is complex.
Further, in order to avoid the connection piece 6 from falling out after being installed, the outer wall of the three-way valve body 1 is provided with a buckle 13 for limiting the connection piece 6, in this embodiment, in order to simplify the structure of the connection piece 6, the connection piece adopts a U-shaped contact pin, and the shape and the structure of the connection piece 6 can be designed according to the actual installation requirement.
In order to facilitate connection between the actuator 3 and the valve rod 4, the upper end of the valve rod 4 is provided with a flat shaft position 41, the output shaft of the actuator 3 is provided with a sliding groove 31 corresponding to the flat shaft position 41, and when the actuator is installed, the flat shaft position 41 is inserted into the sliding groove 31. Further, in order to facilitate the valve rod 4 to drive the valve ball 5 to rotate, an arc limiting part 42 is arranged at the bottom of the valve rod 4, an arc groove 51 corresponding to the arc limiting part 42 is arranged on the valve ball 5, and when in installation, the arc limiting part 42 is inserted into the arc groove 52; in addition, in order to facilitate the installation and limit between the valve rod 4 and the valve ball 5, an arc-shaped baffle 43 for limiting the inner wall of the valve cavity 11 is arranged above the arc-shaped limiting part 42.
When the electric three-way valve is installed, the screw connection in the prior art is replaced by the mode of fixedly connecting the connecting pieces, so that the installation difficulty is reduced, the assembly efficiency is improved, and the connection is more stable and reliable.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. An electric three-way valve, characterized in that: including three-way valve body (1), be equipped with valve pocket (11) in three-way valve body (1), be equipped with on three-way valve body (1) with three valve port (12) of valve pocket (11) intercommunication, every be fixed with seal seat (2) through connecting piece (6) in valve port (12), three-way valve body (1) top is equipped with executor (3), the output of executor (3) is connected with valve ball (5) through valve rod (4), valve ball (5) are located in valve pocket (11), executor (3) drive valve ball (5) rotate, thereby make each between valve port (12) intercommunication or disconnection.
2. The electric three-way valve according to claim 1, wherein: limiting grooves (121) are formed in the inner wall of the valve port (12), limiting bosses (21) corresponding to the limiting grooves (121) are formed in the outer wall of the sealing seat (2), limiting holes (122) are formed in the side walls of the limiting grooves (121), and the limiting bosses (21) rotate in the limiting grooves (121) to be clamped in the limiting holes (122) at a certain angle.
3. The electric three-way valve according to claim 2, wherein: the three-way valve body (1) is also provided with a connecting hole (123), and the outer wall of the sealing seat (2) is provided with a connecting groove (22) corresponding to the connecting hole (123).
4. The electric three-way valve according to claim 1, wherein: the valve is characterized in that a first limiting step (124) is arranged on the inner wall of the valve port (12), a second limiting step (23) corresponding to the first limiting step is arranged on the outer wall of the sealing seat (2), and a first sealing piece (7) is extruded between the first limiting step (124) and the second limiting step (23).
5. The electric three-way valve according to claim 1, wherein: the end part of the sealing seat (2) close to the valve ball (5) is provided with a mounting groove (24), and a second sealing piece (8) and a lining piece (9) which is used for being matched with the valve ball (5) to conduct the connection or disconnection of the valve port (12) are coaxially arranged in the mounting groove (24).
6. The electric three-way valve according to claim 1, wherein: the three-way valve body (1) is fixedly connected with the actuator (3) through a connecting piece (6).
7. The electric three-way valve according to claim 1, wherein: the outer wall of the three-way valve body (1) is provided with a buckle (13) for limiting the connecting piece (6).
8. The electric three-way valve according to claim 1, wherein: the upper end of the valve rod (4) is provided with a shaft flat position (41), and an output shaft of the actuator (3) is provided with a sliding groove (31) corresponding to the shaft flat position (41).
9. The electric three-way valve according to claim 1, wherein: the valve is characterized in that an arc-shaped limiting part (42) is arranged at the bottom of the valve rod (4), an arc-shaped groove (51) corresponding to the arc-shaped limiting part (42) is formed in the valve ball (5), and an arc-shaped baffle (43) used for limiting the inner wall of the valve cavity (11) is arranged above the arc-shaped limiting part (42).
10. The electric three-way valve according to claim 1, wherein: the connecting piece (6) is a U-shaped contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023485.7U CN219796203U (en) | 2023-04-28 | 2023-04-28 | Electric three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023485.7U CN219796203U (en) | 2023-04-28 | 2023-04-28 | Electric three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796203U true CN219796203U (en) | 2023-10-03 |
Family
ID=88186091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321023485.7U Active CN219796203U (en) | 2023-04-28 | 2023-04-28 | Electric three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796203U (en) |
-
2023
- 2023-04-28 CN CN202321023485.7U patent/CN219796203U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |