CN213711968U - Three-way stop valve - Google Patents
Three-way stop valve Download PDFInfo
- Publication number
- CN213711968U CN213711968U CN202022806248.0U CN202022806248U CN213711968U CN 213711968 U CN213711968 U CN 213711968U CN 202022806248 U CN202022806248 U CN 202022806248U CN 213711968 U CN213711968 U CN 213711968U
- Authority
- CN
- China
- Prior art keywords
- valve
- passage
- baffle
- cavity
- sealing sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model provides a three-way stop valve, which comprises a valve body, a first passage and a second passage, wherein the first passage and the second passage are arranged on two sides of the valve body; the bottom of the valve body is also provided with a third passage, the inside of the valve body is provided with a control cavity, the third passage is communicated with the lower end of the control cavity, and the side wall of the control cavity is provided with a first communicating hole and a second communicating hole which are communicated with the first passage and the second passage; the upper end of the valve body is provided with a valve rod assembly extending into the control cavity, and the lower end of the valve rod assembly is connected with a first baffle plate; and a second baffle plate connected to the valve rod assembly is arranged above the first baffle plate. Utilize above-mentioned utility model discloses can solve multi-channel type pipeline effectively and appear wasting of resources, the loaded down with trivial details problem of control owing to need set up a plurality of stop valves.
Description
Technical Field
The utility model relates to the technical field of valves, more specifically relates to a three-way stop valve.
Background
The stop valve, also called stop valve, is the most widely used valve, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also suitable for high pressure.
The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of pressure of a valve rod to prevent medium from flowing, the valve plays an important role in cutting off and throttling the medium in a pipeline where the valve is located, the stop valve is an extremely important cut-off valve, the sealing of the stop valve is realized by applying torque to a valve rod, the valve rod applies pressure to the valve clack in the axial direction to enable the sealing surface of the valve clack to be tightly attached to the sealing surface of the valve seat, and the medium is prevented from leaking along a gap between.
The existing stop valves are used for realizing the connection and disconnection of one passage, correspond to a multi-passage type pipeline, and need to be provided with a plurality of stop valves to realize the connection and disconnection of each passage, so that the mode not only wastes resources, but also is relatively complex to control, and the stop valves at a plurality of positions need to be controlled simultaneously.
In view of the above problems, there is a need for a device that can switch the conduction states of multiple channels at the same position.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a three-way stop valve to solve multi-channel type pipeline and because need set up a plurality of stop valves and the wasting of resources, the loaded down with trivial details problem of control appear.
The embodiment of the utility model provides a three-way stop valve, including the valve body and set up in the first route and the second route of both sides of the said valve body; the bottom of the valve body is also provided with a third passage, a control cavity is arranged in the valve body, the third passage is communicated with the lower end of the control cavity, and the side wall of the control cavity is provided with a first communicating hole and a second communicating hole which are communicated with the first passage and the second passage; the upper end of the valve body is provided with a valve rod assembly extending into the control cavity, and the lower end of the valve rod assembly is connected with a first baffle plate; the first baffle is respectively positioned at the position above the second communication hole, the position between the second communication hole and the first communication hole and the position below the first communication hole along with the movement of the valve rod assembly, so that the switching among the conduction state and the blocking state of the first passage, the second passage and the third passage is realized; and a second baffle plate connected to the valve rod assembly is arranged above the first baffle plate, and the second baffle plate is always positioned above the second communication hole in the movement process of the valve rod assembly.
In addition, the valve rod assembly preferably comprises a valve rod body and a connecting rod fixedly connected to the lower end of the valve rod body; the valve rod body is in threaded connection with the upper end of the valve body, and the first baffle and the second baffle are fixedly connected to the connecting rod.
In addition, the preferable structure is that the control cavity comprises an upper cavity and a lower cavity, wherein the first baffle is limited in the lower cavity, the second baffle is limited in the upper cavity, and the side wall of the lower cavity is respectively connected with the first passage and the second passage through the first communicating hole and the second communicating hole.
In addition, the preferable structure is that the control cavity further comprises a middle cavity, the upper end and the lower end of the middle cavity are respectively communicated with the upper cavity and the lower cavity; and the number of the first and second electrodes,
the middle cavity is of a table-shaped structure, a table-shaped stop block fixedly connected to the connecting rod is further arranged between the first baffle and the second baffle, and the table-shaped stop block is matched with the middle cavity.
In addition, the preferable structure is that a valve seat is integrally formed at the upper end of the valve body, a valve hole is formed in the valve seat, and the valve rod body extends into the upper cavity through the valve hole and is fixedly connected with the connecting rod; and the number of the first and second electrodes,
the upper end of the valve seat is fixedly connected with a valve cover through a bolt.
In addition, the preferable structure is that the upper end of the valve rod body extends to the outer side of the valve cover, and an adjusting rotary disc is fixedly connected to the upper end of the valve rod body.
In addition, the preferable structure is that a first sealing sleeve is arranged on the side wall of the lower cavity, a third sealing sleeve is arranged on the side wall of the upper cavity, and the first baffle and the second baffle are tightly attached to the first sealing sleeve and the third sealing sleeve respectively; and the number of the first and second electrodes,
and a first dredging hole and a second dredging hole which respectively correspond to the first communicating hole and the second communicating hole are formed in the first sealing sleeve.
In addition, the preferable structure is that the periphery of the first baffle and the second baffle is fixedly connected with a baffle ring, and the first baffle and the second baffle are tightly attached to the first sealing sleeve and the third sealing sleeve through the baffle ring respectively.
In addition, the preferable structure is that a second sealing sleeve is arranged on the side wall of the middle cavity, and when the first baffle is located at the position below the first communication hole, the table-shaped stop block is abutted to and attached to the second sealing sleeve.
In addition, it is preferable that a connection flange is fixedly provided to each of end portions of the first passage, the second passage, and the third passage of the valve body.
According to the technical scheme above, the utility model provides a three-way stop valve, through combining together traditional stop valve and three way connection, and improve this internal structure of valve, set up the position that first baffle and the second baffle that has certain predetermined interval can be in the top of second intercommunicating pore respectively along with valve rod assembly's motion at first baffle in the control chamber, position between second intercommunicating pore and the first intercommunicating pore, and the position of the below of first intercommunicating pore, realize to first route, the switch-over between the on-state and the block state of second route and third route. In addition, the second baffle is arranged in the upper cavity of the control cavity, so that liquid in the first passage and the second passage can be effectively prevented from seeping out from a gap between the valve rod assembly and the upper end of the valve body through the control cavity; in addition, the middle cavity of the control cavity is set to be of a table-shaped structure, and the table-shaped stop block matched with the middle cavity is fixed on the connecting rod, so that the tightness of the device can be further improved, and liquid in the first passage and the second passage is prevented from seeping out from a gap between the valve rod assembly and the upper end of the valve body through the control cavity.
Drawings
Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is a cross-sectional view of a three-way stop valve provided in an embodiment of the present invention in a three-way state;
fig. 2 is a cross-sectional view of the three-way stop valve provided in the embodiment of the present invention in a state where the first path and the third path are communicated;
fig. 3 is a cross-sectional view of the three-way stop valve provided in the embodiment of the present invention in a state where the first passage and the second passage are communicated;
wherein the reference numerals include: the valve comprises an adjusting rotary disc 11, a valve body 12, a valve cover 121, a bolt 122, a valve hole 123, a valve rod body 13, a connecting rod 14, a table-shaped stop 141, a second stop 142, a first stop 143, a stop ring 144, an upper cavity 15, a middle cavity 151, a second sealing sleeve 152, a lower cavity 153, a first sealing sleeve 154, a third sealing sleeve 155, a first passage 16, a first communicating hole 161, a second passage 17, a second communicating hole 171, a connecting flange 172 and a third passage 18.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
For the detailed description of the structure of the three-way stop valve of the present invention, the following detailed description will be made with reference to the accompanying drawings.
Fig. 1 is a sectional view showing a three-way stop valve provided in an embodiment of the present invention in a three-way state, and fig. 2 is a sectional view showing a three-way stop valve provided in an embodiment of the present invention in a state where a first path and a third path are communicated; fig. 3 shows a sectional structure of a three-way stop valve provided by the embodiment of the present invention in a state of communicating a first passage and a second passage.
As shown together with fig. 1 to 3, the three-way stop valve provided in the embodiment of the present invention includes a valve body 12 functioning as an integral support housing, and a first passage 16 and a second passage 17 provided on both sides of the valve body 12; a third passage 18 is further formed at the bottom of the valve body 12, a control chamber is formed inside the valve body 12, the third passage 18 is communicated with the lower end of the control chamber, and a first communicating hole and a second communicating hole 171 which are communicated with the first passage 16 and the second passage 17 are formed in the side wall of the control chamber; a valve rod assembly extending into the control cavity is arranged at the upper end of the valve body 12, and a first baffle 143 is connected to the lower end of the valve rod assembly; the first baffle 143 is located above the second communication hole 171, between the second communication hole 171 and the first communication hole, and below the first communication hole along with the movement of the valve rod assembly, so as to switch the first passage 16, the second passage 17, and the third passage 18 between the conducting state and the blocking state; a second shutter 142 connected to the stem assembly is provided above the first shutter 143, and the second shutter 142 is located above the second communication hole 171 during the movement of the stem assembly.
In the actual operation process, the first baffle 143 moves up and down in the control cavity along with the valve rod assembly, and when the first baffle 143 moves to a position above the second communication hole 171, the intercommunication among the first passage 16, the second passage 17 and the third passage 18 is realized, i.e. a three-way state (as shown in fig. 1); when the first shutter 143 moves to a position between the second communication hole 171 and the first communication hole, conduction between the first passage 16 and the third passage 18 is achieved (see fig. 2); when the first shutter 143 moves to a position below the first communication hole, communication between the first path 16 and the second path 17 is achieved (see fig. 3).
It should be noted that when the first blocking plate 143 moves to a position (not shown in the figure) where the first communicating hole is just blocked, the three passages are not communicated with each other, and the whole closed state is realized. In addition, since the first passage 16 is an inlet (corresponding to the main passage) and the second passage 17 and the second through hole are outlets in a normal case, the first passage 16 needs to be communicated with the second passage 17 and the third passage 18, respectively, during actual use, and it is not necessary to communicate only the second passage 17 with the third passage 18.
By combining the conventional stop valve with the three-way joint and improving the structure in the valve body 12, the first baffle 143 and the second baffle 142 having a certain preset distance are arranged in the control chamber, and the first baffle 143, the second baffle 142 and the first communication hole are respectively positioned above the second communication hole 171, between the second communication hole 171 and the first communication hole and below the first communication hole along with the movement of the valve rod assembly, so that the switching between the conduction state and the blocking state of the first passage 16, the second passage 17 and the third passage 18 is realized. In addition, by providing the second baffle 142 in the upper chamber 15 of the control chamber, the liquid in the first passage 16 and the second passage 17 can be effectively prevented from leaking out from the gap between the valve stem assembly and the upper end of the valve body 12 through the control chamber.
Specifically, the valve stem assembly includes a valve stem body 13 and a connecting rod 14 fixedly connected to a lower end of the valve stem body 13; wherein, the upper end threaded connection of valve rod body 13 and valve body 12, first baffle 143 and the equal fixed connection of second baffle 142 are on connecting rod 14. In the actual operation process, the up-and-down movement of the valve rod body 13 can be realized by rotating the valve rod body 13, so as to drive the connecting rod 14 to move, and further realize the state switching (closing and conducting) and the liquid seepage prevention function of the valve through the first baffle 143 and the second baffle 142.
More specifically, the control chamber includes an upper chamber 15 and a lower chamber 153, wherein the first baffle 143 is limited inside the lower chamber 153, the second baffle 142 is limited inside the upper chamber 15, and the sidewall of the lower chamber 153 is connected to the first passage 16 and the second passage 17 through the first communicating hole and the second communicating hole 171, respectively.
In addition, the control cavity may further include a middle cavity 151 having upper and lower ends respectively communicated with the upper cavity 15 and the lower cavity 153; the middle cavity 151 is a table structure, a table stopper 141 fixedly connected to the connecting rod 14 is further disposed between the first baffle 143 and the second baffle 142, and the table stopper 141 is adapted to the middle cavity 151. The middle cavity 151 of the control cavity is set to be of a table-shaped structure, and the table-shaped stop block 141 matched with the middle cavity 151 is fixed on the connecting rod 14, so that the tightness of the device can be further improved, and liquid in the first passage 16 and the second passage 17 is prevented from seeping out from a gap between the valve rod assembly and the upper end of the valve body 12 through the control cavity.
In addition, a valve seat is integrally formed at the upper end of the valve body 12, a valve hole 123 is formed in the valve seat, and the valve rod body 13 extends into the upper cavity 15 through the valve hole 123 and is fixedly connected with the connecting rod 14; a valve cover 121 is fixedly connected to the upper end of the valve seat by a bolt 122. Through set up the valve seat in valve body 12 upper end and pass through bolt 122 fixed valve gap 121 on the valve seat and can effectively promote the stability of whole device, prevent that the device from destroying because of long-time inside high pressure effect, the life of extension whole device.
In addition, the upper end of the valve stem body 13 may extend to the outside of the bonnet 121, and the adjustment dial 11 is fixedly connected to the upper end of the valve stem body 13. In the actual operation process, the up-and-down movement of the valve rod body 13 can be realized by rotating the adjusting turntable 11, and further the switching between the off state and the on state is realized.
In addition, in order to further improve the liquid seepage prevention effect, a first sealing sleeve 154 is arranged on the side wall of the lower cavity 153, a third sealing sleeve 155 is arranged on the side wall of the upper cavity 15, and the first baffle 143 and the second baffle 142 are tightly attached to the first sealing sleeve 154 and the third sealing sleeve 155 respectively; the first sealing boot 154 is provided with a first through hole (not shown) and a second through hole (not shown) corresponding to the first and second communication holes 171, respectively. In the actual operation process, the first baffle 143 and the second baffle 142 are respectively and closely attached to the first sealing sleeve 154 and the third sealing sleeve 155 at any time, so as to prevent the liquid from flowing, thereby realizing the state switching and liquid seepage prevention functions of the three passages.
Preferably, the baffle rings 144 are fixedly connected to the peripheries of the first baffle 143 and the second baffle 142, and the first baffle 143 and the second baffle 142 are tightly attached to the first sealing sleeve 154 and the third sealing sleeve 155 through the baffle rings 144, respectively.
The side wall of the middle cavity 151 is provided with a second sealing sleeve 152, and when the first baffle 143 is located at a position below the first communication hole, the table-shaped stopper 141 and the second sealing sleeve 152 are abutted to each other to further prevent liquid from seeping out from a gap between the side wall of the middle cavity 151 and the table-shaped stopper 141.
Specifically, the valve body 12 is fixedly provided with a connecting flange 172 at each of the ends of the first passage 16, the second passage 17 and the third passage 18, the first passage 16 is connected to an external liquid inlet through the connecting flange 172, and the second passage 17 and the third passage 18 are connected to two external liquid outlets through the connecting flange 172.
The three-way shut-off valve according to the invention has been described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the three-way stop valve provided in the present invention without departing from the scope of the invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (10)
1. A three-way stop valve comprises a valve body, a first passage and a second passage, wherein the first passage and the second passage are arranged on two sides of the valve body; it is characterized in that the preparation method is characterized in that,
the bottom of the valve body is also provided with a third passage, a control cavity is arranged in the valve body, the third passage is communicated with the lower end of the control cavity, and the side wall of the control cavity is provided with a first communicating hole and a second communicating hole which are communicated with the first passage and the second passage; the upper end of the valve body is provided with a valve rod assembly extending into the control cavity, and the lower end of the valve rod assembly is connected with a first baffle plate; wherein the content of the first and second substances,
the first baffle is respectively positioned at a position above the second communication hole, a position between the second communication hole and the first communication hole and a position below the first communication hole along with the movement of the valve rod assembly, so that the switching among the conduction state and the blocking state of the first passage, the second passage and the third passage is realized; and the number of the first and second electrodes,
and a second baffle plate connected to the valve rod assembly is arranged above the first baffle plate, and the second baffle plate is always positioned above the second communication hole in the movement process of the valve rod assembly.
2. The three-way shut-off valve of claim 1,
the valve rod assembly comprises a valve rod body and a connecting rod fixedly connected to the lower end of the valve rod body; the valve rod body is in threaded connection with the upper end of the valve body, and the first baffle and the second baffle are fixedly connected to the connecting rod.
3. The three-way shut-off valve of claim 2,
the control cavity comprises an upper cavity and a lower cavity, wherein the first baffle is limited in the lower cavity, the second baffle is limited in the upper cavity, and the side wall of the lower cavity is respectively connected with the first passage and the second passage through the first communicating hole and the second communicating hole.
4. The three-way shut-off valve of claim 3,
the control cavity also comprises a middle cavity, the upper end and the lower end of the middle cavity are respectively communicated with the upper cavity and the lower cavity; and the number of the first and second electrodes,
the middle cavity is of a table-shaped structure, a table-shaped stop block fixedly connected to the connecting rod is further arranged between the first baffle and the second baffle, and the table-shaped stop block is matched with the middle cavity.
5. The three-way shut-off valve of claim 4,
a valve seat is integrally formed at the upper end of the valve body, a valve hole is formed in the valve seat, and the valve rod body extends into the upper cavity through the valve hole and is fixedly connected with the connecting rod; and the number of the first and second electrodes,
the upper end of the valve seat is fixedly connected with a valve cover through a bolt.
6. The three-way shut-off valve of claim 5,
the upper end of the valve rod body extends to the outer side of the valve cover, and an adjusting rotary disc is fixedly connected to the upper end of the valve rod body.
7. The three-way shut-off valve of claim 6,
a first sealing sleeve is arranged on the side wall of the lower cavity, a third sealing sleeve is arranged on the side wall of the upper cavity, and the first baffle and the second baffle are tightly attached to the first sealing sleeve and the third sealing sleeve respectively; and the number of the first and second electrodes,
and a first dredging hole and a second dredging hole which respectively correspond to the first communicating hole and the second communicating hole are formed in the first sealing sleeve.
8. The three-way shut-off valve of claim 7,
the first baffle and the second baffle are fixedly connected with baffle rings at the periphery, and the first baffle and the second baffle are tightly attached to the first sealing sleeve and the third sealing sleeve through the baffle rings respectively.
9. The three-way shut-off valve of claim 8,
and a second sealing sleeve is arranged on the side wall of the middle cavity, and when the first baffle is positioned at the position below the first communication hole, the table-shaped stop block is abutted against and attached to the second sealing sleeve.
10. Three-way shut-off valve according to any one of claims 1 to 9,
and the end parts of the valve body, which are arranged on the first passage, the second passage and the third passage, are fixedly provided with connecting flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806248.0U CN213711968U (en) | 2020-11-27 | 2020-11-27 | Three-way stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806248.0U CN213711968U (en) | 2020-11-27 | 2020-11-27 | Three-way stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213711968U true CN213711968U (en) | 2021-07-16 |
Family
ID=76784601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022806248.0U Active CN213711968U (en) | 2020-11-27 | 2020-11-27 | Three-way stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213711968U (en) |
-
2020
- 2020-11-27 CN CN202022806248.0U patent/CN213711968U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6511427B2 (en) | Flow path switching valve | |
| EP0432104A1 (en) | Water flow control unit in mixing valve for hot and cold water | |
| WO2023071942A1 (en) | Multi-way valve | |
| US20220146003A1 (en) | Three-way water valve | |
| JP6656846B2 (en) | Flow path switching valve and seal member | |
| CN105485402A (en) | Small solenoid valve | |
| CN211145458U (en) | Linkage stop valve | |
| CN217977501U (en) | Distribution valve | |
| CN210461787U (en) | Control valve | |
| CN213711968U (en) | Three-way stop valve | |
| US20200256475A1 (en) | Valve | |
| CN115654177B (en) | Multi-way valve | |
| JP2013036483A (en) | Multi-way valve | |
| JP6639975B2 (en) | Flow path switching valve | |
| JP3122808B2 (en) | Seal structure of disc valve in faucet | |
| CN209925738U (en) | Control device for water valve and water valve | |
| CN114811109A (en) | Electric valve | |
| CN112797205B (en) | Fluid pressure two-position three-way control valve | |
| EP2466176B1 (en) | Switch device for water conduit valve | |
| CN219774854U (en) | Ball valve sealing element and ball valve | |
| CN220102202U (en) | Bouncing pressing leakage-proof water nozzle | |
| CN112324950B (en) | Electric ball valve | |
| CN214331580U (en) | Two tee bend control valves of fluid pressure | |
| KR20090035293A (en) | 4-way valve | |
| CN219994432U (en) | Multi-way valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |