CN219888839U - Electric throttling ball valve - Google Patents
Electric throttling ball valve Download PDFInfo
- Publication number
- CN219888839U CN219888839U CN202320927171.3U CN202320927171U CN219888839U CN 219888839 U CN219888839 U CN 219888839U CN 202320927171 U CN202320927171 U CN 202320927171U CN 219888839 U CN219888839 U CN 219888839U
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- Prior art keywords
- valve
- valve rod
- cavity
- valve body
- valve core
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
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- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses an electric throttle ball valve, which comprises a valve body, wherein a cavity is formed in the valve body, a valve core is arranged in the cavity, the valve core is a hollow sphere, one side of the valve core is provided with a circular hole, and the other side of the valve core is provided with a special-shaped hole corresponding to the circular hole; the upper surface of the valve core is provided with a valve rod groove, a valve rod matched with the valve rod groove can be embedded in the valve rod groove, and the upper end of the valve rod is fixedly connected with the output end of the servo motor; the utility model has simple integral structure and convenient use, can effectively reduce the hydraulic impact and cavitation caused by the rapid circulation of liquid in the pipeline, and can rapidly open the cavity, thereby facilitating the maintenance and replacement of elements in the valve body, and further ensuring the normal subsequent use of the device.
Description
Technical Field
The utility model belongs to the field of valves, and particularly relates to an electric throttling ball valve.
Background
The electric ball valve is an important actuator in industrial automation control system, and is mainly used for cutting off or connecting medium in pipeline, and also can be used for regulating and controlling fluid.
The electric ball valve is mainly characterized by compact structure, reliable sealing, simple structure, convenient maintenance, normal closed state of the sealing surface and the spherical surface, difficult erosion by medium, easy operation and maintenance, and suitability for common working mediums such as water, solvent, acid, natural gas and the like, and mediums with severe working conditions such as oxygen, hydrogen peroxide, methane, ethylene and the like. The electric ball valve is widely used in industries such as petroleum, natural gas, medicine, food, water and electricity, nuclear power, electric power, water supply and drainage, heat supply, metallurgy and the like, is a mechanical product which is vital to national defense construction, and is an indispensable product for technological construction.
The working principle of the electric ball valve is that the electric ball valve has an action of rotating 90 degrees, the cock body is a sphere, and a circular through hole or a channel passes through the axis of the sphere. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline of the electric ball valve, and can be tightly closed only by rotating the ball valve by 90 degrees and small rotating moment.
Although the development of the electric ball valve is very fast, the existing electric ball valve has the defects that the hydraulic impact and cavitation phenomenon are easy to generate, and the metal surface is corroded, cavitation is generated and the valve core sphere and the connecting pipeline are damaged due to the repeated hydraulic impact and high temperature effects.
Disclosure of Invention
The utility model aims to solve the main technical problem of providing an electric throttle valve, which can effectively reduce hydraulic impact and cavitation caused by rapid circulation of liquid in a pipeline, and can rapidly open a cavity, so that the device is convenient to maintain and replace elements in a valve body, and can be used normally.
In order to solve the technical problems, the utility model provides the following technical scheme:
an electric throttle ball valve comprises a valve body, wherein a cavity is formed in the valve body, a valve core is arranged in the cavity, the valve core is a hollow sphere, one side of the valve core is provided with a circular hole, and the other side of the valve core is provided with a special-shaped hole corresponding to the circular hole; the upper surface of the valve core is provided with a valve rod groove, a valve rod matched with the valve rod groove can be embedded in the valve rod groove, and the upper end of the valve rod is fixedly connected with the output end of the servo motor.
The following is a further optimization of the above technical solution according to the present utility model:
the two ends of the valve body are provided with cavity pipes, one end of each cavity pipe connected with the valve body is welded with a flange plate, the flange plates are fixedly connected to two sides of the valve body through bolts, the pipe diameter of each cavity pipe is smaller than that of the valve body, and a sealing ring is arranged between each cavity pipe and each flange plate; the sealing ring is round, one side is tightly attached to the valve core, and the other side is tightly attached to the flange plate.
Further optimizing: the servo motor is controlled by a reversing switch, and the forward and reverse rotation of the servo motor drives the valve rod to rotate forward and reverse, the rotation range of the valve rod is not more than 90 degrees, and the valve core is driven to rotate around the axis of the valve rod.
Further optimizing: the top of valve body is connected the lower base, is connected with the valve rod pipe on the lower base, and the valve rod pipe is equipped with the base, and the top bolted connection of going up the base has the connecting piece, and the top and the servo motor of connecting piece are by bolted connection.
Further optimizing: the upper end of the valve rod penetrates out of the upper surface of the valve body and sequentially penetrates through the lower base, the valve rod pipe, the upper base and the connecting piece.
Further optimizing: a buckle is arranged on the outer wall of one side of the servo motor, and a matched portable tool is arranged in the buckle.
Further optimizing: the special-shaped hole is divided into two parts, one part is in a small sector shape, the other part is in a cashew shape, and the inner arc of the cashew shape is overlapped with the circular arc of the small sector shape.
By adopting the technical scheme, the utility model has ingenious conception and reasonable structure, and reduces the hydraulic impact and cavitation caused by rapid circulation of liquid in the pipeline by changing the shape of the valve core opening, thereby reducing the corrosion and abrasion to the valve core and the pipeline and prolonging the service life of the equipment.
The valve body is connected with the flange plate through the bolts, so that the cavity tube structure can be rapidly detached from the valve body, and the inner element of the valve body can be conveniently maintained and replaced.
The utility model will be further described with reference to the drawings and examples.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a schematic diagram of the front structure of a valve core sphere in the utility model;
FIG. 4 is a schematic view of the back structure of the valve core sphere in the utility model;
fig. 5 is a schematic cross-sectional view of the present utility model.
In the figure: 1-a valve body; 2-chamber; 3-valve core; 31-a circular hole; 32-special-shaped holes; 4-a valve rod; 41-a valve stem groove; 5-a servo motor; 6-lumen; 7-a sealing ring; 8-a lower base; 9-a valve stem tube; 10-an upper base; 11-a connector; 12-flange plate.
Description of the embodiments
As shown in fig. 1-5, an electric throttle ball valve comprises a valve body 1, wherein a cavity 2 is formed in the valve body 1, a valve core 3 is arranged in the cavity 2, the valve core 3 is a hollow sphere, one side of the valve core is provided with a circular hole 31, and the other side of the valve core is provided with a special-shaped hole 32 corresponding to the circular hole 31; the upper surface of the valve core 3 is provided with a valve rod groove 41, a valve rod 4 matched with the valve rod groove 41 can be embedded in the valve rod groove 41, and the upper end of the valve rod 4 is fixedly connected with the output end of the servo motor 5.
The valve core 3 rotates around the axis of the valve rod 4, so that a channel is opened and closed, and the purpose of circulating or blocking liquid is achieved.
The valve core 3 can be tightly closed only by rotating by 90 degrees and with small rotation moment.
The driving device in this embodiment is a servo motor 5, which can drive the valve rod 4 to rotate in the forward and reverse directions.
In this embodiment, the driving device may be other common power sources such as pneumatic power source, hydraulic power source, etc.
When the valve is used, the servo motor 5 is started, the valve rod 4 is driven to rotate, and the valve core 3 is driven to rotate until the non-through hole part faces the cavity tube 6, so that liquid can be blocked; when liquid is required to circulate, only a command is given to the servo motor 5 to drive the valve rod 4 to reversely rotate, and then the valve core 3 is driven to rotate until the special-shaped holes 32 and the circular holes 31 face the cavity tube 6.
As shown in fig. 1 and 5, two ends of the valve body 1 are provided with cavity pipes 6, one end of each cavity pipe 6 connected with the valve body 1 is welded with a flange plate 12, the flange plates 12 are fixedly connected to two sides of the valve body 1 through bolts, the pipe diameter of each cavity pipe 6 is smaller than that of the valve body 1, and a sealing ring 7 is arranged between each cavity 2 and each flange plate 12; the sealing ring 7 is round, one side of the sealing ring is tightly attached to the valve core 3, and the other side of the sealing ring is tightly attached to the flange plate 12.
The flange plate 12 and the cavity tube 6 are welded together and are of an integrated structure, and the flange plate 12 and the valve body 1 are connected together by bolts, so that the subsequent maintenance and replacement of the valve core 3 ball body are facilitated.
The flange plate 12 is connected with the valve body 1 through bolts, and paint is sprayed on the surface of the flange plate, so that the sealing between the flange plate 12 and the valve body 1 is ensured.
The pipe diameter of the cavity pipe 6 is smaller than that of the valve body 1, and a bottom support is arranged in the cavity 2 at the lower end of the valve core 3, so that the position of the valve core 3 can be ensured to be fixed.
The diameter of the flange plate 12 is equal to the outer diameter of the valve body 1, so that the smooth connecting surface of the valve body 1 and the flange plate 12 can be ensured.
The diameter of the cavity tube 6 is similar to the diameter of the circular hole 31 of the valve core 3, so that the pressure drop formed during fluid circulation between the valve core 3 and the cavity tube 6 can be ensured to be as small as possible, and cavitation and hydraulic impact are reduced.
As shown in fig. 1-5, the servo motor 5 is controlled by a reversing switch, the servo motor 5 can rotate forward and backward, the valve rod 4 is driven to rotate forward and backward, the rotation range is not more than 90 degrees, and the valve core 3 is driven to rotate around the axis of the valve rod 4.
When the valve is in use, when the reversing switch is in the forward position, the valve core 3 rotates forward, the circle center of the fan-shaped part of the special-shaped hole 32 is exposed from the cavity 2, and liquid enters the valve body 1 from the cavity pipe 6 to form a circulation channel; when the reversing switch is reversed, the valve core 3 rotates reversely, and the outer arc of the cashew-shaped part of the special-shaped hole 32 finally rotates back to the rear wall of the cavity 2 to intercept circulating liquid.
The two cavities 6 do not distinguish water inlets and water outlets, and liquid flows from the special-shaped hole 32 to the round hole 31 or flows from the round hole 31 to the special-shaped hole 32, so that the effect of reducing pressure drop difference formed during fluid circulation can be achieved, and cavitation and hydraulic impact are reduced.
In addition to the embodiment, the driving device can be controlled by a PLC, and the forward and reverse rotation of the ball body of the valve core 3 can be realized, so that the circulation and the cutoff of liquid can be realized.
As shown in fig. 1 and 5, the top of the valve body 1 is connected with a lower base 8, a valve rod pipe 9 is connected to the lower base 8, an upper base 10 is arranged on the valve rod pipe 9, a connecting piece 11 is connected above the upper base 10 through bolts, and the upper part of the connecting piece 11 is connected with the servo motor 5 through bolts.
As shown in fig. 1 and 5, the upper end of the valve stem 4 penetrates the upper surface of the valve body 1 and penetrates the lower base 8, the valve stem pipe 9, the upper base 10, and the connector 11 in this order.
The valve rod 4 penetrates through the valve rod pipe 9, and the upper part of the connecting piece 11 is connected with the bottom shell of the servo motor 5 through bolts.
A buckle is arranged on the outer wall of one side of the servo motor 5, and a matched portable tool is arranged in the buckle.
The portable tool is an inner hexagonal wrench which can be matched with the portable tool, is convenient to maintain, and reduces the time for searching the tool.
By means of the design, when the internal liquid needs to be circulated or cut off, the servo motor 5 is started, the valve rod 4 can be driven to rotate under the control of the reversing switch, the valve core 3 is driven to rotate around the axis, the circular hole 31 and the special-shaped hole 32 of the valve core 3 and the cavity tube 6 form a channel or a closed channel, and finally the circulation or cut-off of the internal liquid is achieved.
When the utility model needs to be maintained, the bolts between the flange plate 12 and the valve body 1 can be opened by using a tool, the cavity tube 6 is separated from the valve body 1, and the elements in the valve body 1 can be quickly maintained and replaced.
Alterations, modifications, substitutions and variations of the embodiments herein will be apparent to those of ordinary skill in the art in light of the teachings of the present utility model without departing from the spirit and principles of the utility model.
Claims (7)
1. An electric throttle ball valve, comprising a valve body (1), characterized in that: a cavity (2) is formed in the valve body (1), a valve core (3) is arranged in the cavity (2), the valve core (3) is a hollow sphere, one side of the valve core is provided with a circular hole (31), and the other side of the valve core is provided with a special-shaped hole (32) corresponding to the circular hole (31); the upper surface of case (3) is equipped with valve rod recess (41), can inlay in valve rod recess (41) establish with valve rod recess (41) complex valve rod (4), valve rod (4) upper end fixed connection servo motor (5) output.
2. An electrically operated throttle ball valve as in claim 1 wherein: the two ends of the valve body (1) are provided with cavity pipes (6), one end of each cavity pipe (6) connected with the valve body (1) is welded with a flange plate (12), the flange plates (12) are fixedly connected to two sides of the valve body (1) through bolts, the pipe diameter of each cavity pipe (6) is smaller than that of the valve body (1), and a sealing ring (7) is arranged between each cavity (2) and each flange plate (12); the sealing ring (7) is round, one side of the sealing ring is tightly attached to the valve core (3), and the other side of the sealing ring is tightly attached to the flange plate (12).
3. The electric throttle ball valve of claim 2, wherein: the servo motor (5) is controlled by a reversing switch, the forward and reverse rotation of the servo motor (5) drives the valve rod (4) to rotate forward and reverse, the rotation range of the valve rod (4) is not more than 90 degrees, and the valve core (3) is driven to rotate around the axis of the valve rod (4).
4. An electrically operated throttle ball valve as in claim 3 wherein: the top of valve body (1) is connected base (8) down, is connected with valve rod pipe (9) on base (8) down, and valve rod pipe (9) are equipped with base (10) on, and the top bolted connection of base (10) has connecting piece (11), and the top of connecting piece (11) is by bolted connection with servo motor (5).
5. The electric throttle ball valve as defined in claim 4, wherein: the upper end of the valve rod (4) penetrates out of the upper surface of the valve body (1) and sequentially penetrates through the lower base (8), the valve rod pipe (9), the upper base (10) and the connecting piece (11).
6. The electric throttle ball valve as defined in claim 5, wherein: a buckle is arranged on the outer wall of one side of the servo motor (5), and a matched portable tool is arranged in the buckle.
7. The electrically operated throttle valve as defined in claim 6 wherein: the special-shaped hole (32) is divided into two parts, one part is in a small sector shape, the other part is in a cashew shape, and the inner arc of the cashew shape is overlapped with the small sector arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320927171.3U CN219888839U (en) | 2023-04-23 | 2023-04-23 | Electric throttling ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320927171.3U CN219888839U (en) | 2023-04-23 | 2023-04-23 | Electric throttling ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888839U true CN219888839U (en) | 2023-10-24 |
Family
ID=88401777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320927171.3U Active CN219888839U (en) | 2023-04-23 | 2023-04-23 | Electric throttling ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888839U (en) |
-
2023
- 2023-04-23 CN CN202320927171.3U patent/CN219888839U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |