CN222669005U - A three-way valve - Google Patents
A three-way valve Download PDFInfo
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- CN222669005U CN222669005U CN202420864417.1U CN202420864417U CN222669005U CN 222669005 U CN222669005 U CN 222669005U CN 202420864417 U CN202420864417 U CN 202420864417U CN 222669005 U CN222669005 U CN 222669005U
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Abstract
本实用新型公开了一种三通阀，属于三通阀技术领域，包括阀体、驱动装置和阀瓣组件；所述驱动装置连接在阀体外侧；所述阀瓣组件位于阀体内部；所述阀体上设有三个接口；所述驱动装置与阀瓣组件连接，以驱动阀瓣组件在阀体内转动并关闭其中一个接口，使另外两个接口连通；所述阀瓣组件内设有补偿装置，以补偿阀瓣组件与任一接口之间的空隙。本实用新型的一种三通阀，可以有效解决现有技术的阀瓣长时间使用后发生磨损而影响密封性能、采用磁力联轴器导致的成本太高以及无法直观判断出阀瓣位置而无法判断具体的介质流向等问题。
The utility model discloses a three-way valve, belonging to the technical field of three-way valves, including a valve body, a driving device and a valve flap assembly; the driving device is connected to the outside of the valve body; the valve flap assembly is located inside the valve body; three interfaces are provided on the valve body; the driving device is connected to the valve flap assembly to drive the valve flap assembly to rotate in the valve body and close one of the interfaces, so that the other two interfaces are connected; a compensation device is provided in the valve flap assembly to compensate for the gap between the valve flap assembly and any interface. The three-way valve of the utility model can effectively solve the problems of the valve flap of the prior art being worn out after long-term use and affecting the sealing performance, the high cost caused by the use of magnetic couplings, and the inability to intuitively determine the position of the valve flap and the specific flow direction of the medium.
Description
Technical Field
The utility model belongs to the technical field of three-way valves. In particular to a three-way valve.
Background
The three-way valve is a valve device with three ports, one inlet and one outlet, and most of the existing three-way valves have the problems of different structural sizes and large difference of port forms, the three-way valve is characterized in that a valve clack and a valve body are in extrusion contact and relatively move in the long-time use process, the valve clack is made of polytetrafluoroethylene, the valve body is made of metal (304, 316L, cast steel and the like), the polytetrafluoroethylene is softer, the valve clack is worn after long-time use, but the valve clack cannot automatically compensate, so that the sealing performance is influenced, the valve clack position cannot be directly judged from the appearance, so that specific medium flow direction cannot be judged, the three-way valve is very inconvenient in the actual use process, and the magnetic coupling is required to be optimized to be cancelled in order to prevent the leakage of the three-way valve.
The electric ball valve with scraper is characterized in that a valve body is provided with a valve core, the valve core comprises a valve clack, an upper mounting part and a lower mounting part, a valve seat is arranged in a medium inlet, an outer scraper is arranged on the valve seat, a connecting shaft is fixedly arranged at the bottom of the upper mounting part, a mounting seat is rotatably arranged on the connecting shaft, a transverse shaft is rotatably arranged on the mounting seat, and an inner scraper is fixedly arranged at one end of the transverse shaft. In the technical scheme disclosed in the above document, the valve clack can contact and rub with the valve body in the long-time use process, and the valve clack can wear for a long time to influence the sealing performance.
Disclosure of utility model
The utility model aims to provide a three-way valve aiming at the defects, so as to solve the problems that the valve clack in the prior art is worn after long-time use to influence the sealing performance, the cost caused by the adoption of a magnetic coupling is too high, the position of the valve clack cannot be intuitively judged, the specific medium flow direction cannot be judged, and the like. In order to achieve the above purpose, the present utility model provides the following technical solutions:
The three-way valve comprises a valve body, a driving device and a valve clack assembly, wherein the driving device is connected to the outer side of the valve body, the valve clack assembly is positioned in the valve body, three interfaces are arranged on the valve body, the driving device is connected with the valve clack assembly to drive the valve clack assembly to rotate in the valve body and close one interface so that the other two interfaces are communicated, and a compensation device is arranged in the valve clack assembly to compensate a gap between the valve clack assembly and any one interface.
Further, an upper cover plate and a lower cover plate are respectively arranged at the upper end and the lower end of the valve body, and the lower cover plate is connected with the valve body through a blind hole structure.
The valve clack assembly comprises a rotating shaft, a valve clack rod and a valve clack, wherein the upper end and the lower end of the rotating shaft are respectively and rotatably connected with the centers of an upper cover plate and a lower cover plate, one end of the valve clack rod is fixed on the side wall of the rotating shaft, the other end of the valve clack rod is fixedly connected with the valve clack, and the rotating shaft can drive the valve clack to rotate to any one of three interfaces of the valve body.
Further, the compensation device is a spring, one end of the spring is fixedly connected with the rotating shaft, and the other end of the spring is fixedly connected with the valve clack rod.
Further, a pressure relief hole is formed in the position, corresponding to the spring, of the rotating shaft.
The driving device is a driving motor, a connecting bracket is arranged on the upper side of the upper cover plate, the driving motor is fixedly connected with the upper cover plate through the connecting bracket, a coupler is arranged at the output end of the driving motor, and the upper end of the rotating shaft penetrates through the upper cover plate to be connected with the coupler.
Furthermore, a sealing ring is arranged at the joint of the rotating shaft and the upper cover plate, and the sealing ring is provided with a double layer.
Further, the coupler is provided with a mark, and the mark corresponds to the position of the valve clack.
Further, the three connectors extend outwards respectively to form welding connectors with different sizes.
Further, the motor driving device further comprises a controller, wherein the controller is electrically connected with the driving motor.
The beneficial effects of the utility model are as follows:
1. The utility model provides a three-way valve, which is characterized in that a compensation device is arranged, when a valve clack is worn, the acting force of a spring can compensate the wear of the valve clack, so that the valve clack can continuously seal a corresponding interface, and the flow direction of a medium is changed;
2. The utility model provides a three-way valve, which reserves three interfaces as welding interfaces with different sizes,
Flexible matching of interfaces is realized;
The three-way valve provided by the utility model has the advantages that the marks corresponding to the valve clack positions are arranged on the coupler, and the positions of the valve clacks can be intuitively judged through the marks under the condition that complete disassembly is not needed, so that the flow direction of a medium in the valve body can be judged.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is a top plan view of the structure of the present utility model;
In the drawing, the device comprises a 1-connecting bracket, a 2-coupling, a 3-upper cover plate, a 4-sealing ring, a 5-valve clack, a 6-valve clack rod, a 7-spring, an 8-lower cover plate, a 9-rotating shaft, a 10-fastener, a 12-standby plug, a 13-valve body and a 14-driving motor.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and the detailed description, but the present utility model is not limited to the following examples.
Embodiment one:
See figures 1-2. A three-way valve comprises a valve body 13, a driving device and a valve clack assembly, wherein the driving device is connected to the outer side of the valve body 13, the valve clack assembly is located in the valve body 13, three interfaces are arranged on the valve body 13, the driving device is connected with the valve clack assembly to drive the valve clack assembly to rotate in the valve body 13 and close one interface so that the other two interfaces are communicated, and a compensation device is arranged in the valve clack assembly to compensate a gap between the valve clack assembly and any one interface. According to the structure, the three-way valve comprises the valve body 13, wherein the upper end and the lower end of the valve body 13 are closed through the upper cover plate 3 and the lower cover plate 8, the valve body 13 is provided with three interfaces in the horizontal direction, and the three interfaces are used for reserving welding interfaces with different specifications and can be flexibly welded and combined into different forms so as to adapt to the connection of different medium pipelines. The valve body 13 is also provided with another interface, the interface is sealed by a baffle, the baffle is provided with a standby plug 12, and when the interface is required to perform sampling detection or pressure detection on a medium, the standby plug 12 is taken down to perform corresponding operation. The upper end of the valve body 13 is provided with a driving device, preferably a driving motor 14, the output end of the driving motor 14 can realize rotary output, the driving device is connected with a valve clack assembly inside the valve body 13 through a coupler 2, the valve clack assembly is driven to rotate in the valve body 13, and the valve clack assembly comprises a rotary shaft 9, the upper end of the rotating shaft 9 penetrates through the upper cover plate 3 at the upper end of the valve body 13 and is connected with the output end of the driving motor 14 through the coupler 2, one end of the valve clack rod 6 is fixedly connected with the rotating shaft 9, the other end of the valve clack rod is connected with the valve clack 5, the rotating shaft 9 is driven to rotate through the driving motor 14, the valve clack 5 is driven to rotate in the valve body 13, four interfaces in the valve body 13 are all located on a plane formed by rotation of the valve clack 5, closure of the valve clack 5 can be achieved through rotation to any one interface, the driving motor 14 can be connected through a controller, a program is set to control the driving motor 14 to rotate, and therefore the valve clack 5 can be accurately controlled to rotate to the corresponding interface, one interface is blocked by the valve clack 5, namely, medium pipelines connected with the other two interfaces form circulation, the driving motor 14 can be controlled to rotate the valve clack 5 to the designated interfaces as required, and different flow directions of media can be achieved. In order to avoid abrasion of the valve clack 5 caused by friction with the valve body 13 in long-term work and influence the tightness of the valve clack 5 and an interface, a compensation device is arranged to automatically compensate the gap between the valve clack 5 and the interface, a spring 7 is selected by the preferred compensation device, one end of the spring 7 is fixed on the rotating shaft 9, the other end of the spring 7 is fixedly connected with the valve clack rod 6, the specific spring 7 is arranged in the valve clack rod 6, one end of the specific spring 7 is embedded into the valve clack rod 6, the spring 7 is in a compressed state, a force is always provided to enable the valve clack 5 to be abutted with the interface, the spring 7 gradually starts to restore to an initial state along with the abrasion of the valve clack 5, the abutting of the valve clack 5 is always ensured when corresponding to any interface, the intercepting effect is ensured, the compression stroke of the specific spring 7 is correspondingly arranged according to the size of the respective valve body 13, and the service life of the three-way valve can be effectively prolonged by the arrangement of the compensation device. According to the three-way valve, the compensation device is arranged, so that the influence on the tightness of the valve clack 5 and the joint after abrasion can be avoided, the gap between the valve clack 5 and the joint is automatically compensated, and the service life is prolonged.
Embodiment two:
See figures 1-2. On the basis of the first embodiment, the upper end and the lower end of the valve body 13 are respectively provided with an upper cover plate 3 and a lower cover plate 8, and the lower cover plate 8 is connected with the valve body 13 through a blind hole structure. As can be seen from the above structure, the upper and lower ends of the valve body 13 are respectively closed by the upper cover plate 3 and the lower cover plate 8, and four cross-shaped connectors are provided around the valve body 13. In order to ensure tightness, the upper cover plate 3 is fixedly connected with the valve body 13 through a fastener 10, and the lower cover plate 8 is connected with the valve body 13 through a matching structure of blind holes and bolts.
The valve clack assembly comprises a rotating shaft 9, a valve clack rod 6 and a valve clack 5, wherein the upper end and the lower end of the rotating shaft 9 are respectively and rotatably connected with the centers of the upper cover plate 3 and the lower cover plate 8, one end of the valve clack rod 6 is fixed on the side wall of the rotating shaft 9, the other end of the valve clack rod is fixedly connected with the valve clack 5, and the rotating shaft 9 can drive the valve clack 5 to rotate to any one of three interfaces of the valve body 13. According to the structure, two ends of the rotating shaft 9 are respectively arranged at the centers of the upper cover plate 3 and the lower cover plate 8, the upper end of the rotating shaft 9 penetrates through the upper cover plate 3 and is connected with the output end of the driving motor 14 through the coupler 2, the rotating shaft rotates along with the rotation of the output end of the driving motor 14, the valve clack 5 is fixedly connected to the rotating shaft 9 through the valve clack rod 6, and the rotation of the rotating shaft 9 drives the valve clack 5 to move to any one of four interfaces on the valve body 13 to achieve closure.
Embodiment III:
See figures 1-2. On the basis of the second embodiment, the compensation device is a spring 7, one end of the spring 7 is fixedly connected with the rotating shaft 9, and the other end of the spring 7 is fixedly connected with the valve clack rod 6. According to the structure, the gap between the valve clack 5 and the interface is automatically compensated by the compensation device, the spring 7 is selected by the preferred compensation device, one end of the spring 7 is fixed on the rotating shaft 9, the other end of the spring 7 is fixedly connected with the valve clack rod 6, one end of the specific spring 7 is embedded into the valve clack rod 6, the spring 7 is in a compressed state, a force is always provided to enable the valve clack 5 to be abutted against the interface, the spring 7 gradually starts to restore to an initial state along with abrasion of the valve clack 5, the valve clack 5 is always guaranteed to be abutted against any interface, a shutoff effect is guaranteed, the compression stroke of the specific spring 7 is correspondingly set according to the size of the valve body 13, and the service life of the three-way valve can be effectively prolonged by the arrangement of the spring 7.
The rotating shaft 9 is provided with a pressure relief hole at a position corresponding to the spring 7. According to the structure, the pressure relief holes are formed in the corresponding positions of the rotating shafts 9, so that the springs 7 work smoothly, the abrasion of the valve clack 5 is automatically compensated, and the service life is prolonged.
The driving device is a driving motor 14, a connecting bracket 1 is arranged on the upper side of the upper cover plate 3, the driving motor 14 is fixedly connected with the upper cover plate 3 through the connecting bracket 1, a coupler 2 is arranged at the output end of the driving motor 14, and the upper end of the rotating shaft 9 penetrates through the upper cover plate 3 and is connected with the coupler 2. From the above structure, the preferred driving device is a driving motor 14, the driving motor 14 is fixedly connected with the upper cover plate 3 through a connecting bracket 1, the connecting bracket 1 is respectively fixed with the driving motor 14 and the upper cover plate 3 through a fastening piece 10, the preferred fastening piece 10 is in a bolt and other structures, the connecting bracket 1 can effectively support the driving motor 14, and the output end of the driving motor 14 is connected with the rotating shaft 9 through a coupler 2 and is used for driving the rotating shaft 9 to rotate.
A sealing ring 4 is arranged at the joint of the rotating shaft 9 and the upper cover plate 3, and the sealing ring 4 is provided with a double layer. From the above structure, the rotating shaft 9 penetrates through the upper cover plate 3, and two layers of sealing rings 4 are arranged at the contact position of the rotating shaft 9 and the upper cover plate 3, so that the sealing rings 4 further ensure the tightness of the inside of the valve body 13, and the sealing performance is good on the premise that the rotating shaft 9 can rotate.
Embodiment four:
See figures 1-2. On the basis of the third embodiment, the coupling 2 is provided with a mark, and the mark corresponds to the position of the valve clack 5. As can be seen from the above structure, the part of the mechanism of the coupling 2 is outside the valve body 13, and the part is provided with the mark so that the part always corresponds to the position of the valve clack 5, and the position of the valve clack 5 can be determined by the mark on the coupling 2, that is, the pipeline connected with the two remaining interfaces is the circulation direction of the medium except the interface at the standby plug 12.
The three connectors extend outwards respectively to form welding connectors with different sizes. According to the structure, except for the interface of the standby plug 12, three interfaces are left for connecting the pipelines, the three interfaces respectively extend outwards in the respective directions, the final opening sizes are different, the design is carried out according to the sizes of the conventional common pipelines so as to adapt to different pipelines, the adaptability is stronger, the positions of the interfaces can be prolonged by welding the small straight pipelines, and the small straight pipelines with different sizes can be selected so as to adapt to the connection of more pipelines with different sizes.
And also includes a controller electrically connected to the drive motor 14. According to the structure, the driving motor 14 is electrically connected with the controller, so that the position of the valve clack 5 can be automatically controlled, and the rotation angle of the valve clack 5 is driven by the driving motor 14 through program setting, so that the valve clack is accurately abutted with any interface, and the closure is realized.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420864417.1U CN222669005U (en) | 2024-04-24 | 2024-04-24 | A three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420864417.1U CN222669005U (en) | 2024-04-24 | 2024-04-24 | A three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222669005U true CN222669005U (en) | 2025-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420864417.1U Active CN222669005U (en) | 2024-04-24 | 2024-04-24 | A three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222669005U (en) |
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2024
- 2024-04-24 CN CN202420864417.1U patent/CN222669005U/en active Active
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