CN210141327U - Special electric control valve for anti-corrosion chlorine - Google Patents
Special electric control valve for anti-corrosion chlorine Download PDFInfo
- Publication number
- CN210141327U CN210141327U CN201920953342.3U CN201920953342U CN210141327U CN 210141327 U CN210141327 U CN 210141327U CN 201920953342 U CN201920953342 U CN 201920953342U CN 210141327 U CN210141327 U CN 210141327U
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- valve
- coupler
- rod
- electric control
- valve rod
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a special electric control valve of anticorrosion chlorine, through at the valve rod surface, the valve plate surface and the valve rod and valve plate contact site cladding lining fluorine layer, can play the anticorrosive effect, through setting up positioning mechanism, including installing the pressing block in the shaft coupling, push rod and setting element, and transmitting terminal and receiving terminal install respectively above the displacement range when the setting element stretches out and the photoelectric sensor below, can be when the valve rod inserts the shaft coupling, press the pressing block and impress the shaft coupling into, make the pressing block push out the setting element through the push action of push rod, photoelectric sensor can detect the setting element and stretch out at this moment, show that valve rod and shaft coupling are connected correctly, and through measuring the position of setting element, can accurately obtain the rotation angle of valve rod and valve plate, thereby adjust the opening angle of valve plate according to the demand, the problems that the angle of the valve plate is easily interfered and the measurement is inaccurate in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of valves, especially indicate a special electrical control valve of anticorrosion chlorine.
Background
The electric regulating valve is a valve commonly used in the field of material conveying and the field of industrial automation process control, is a final control element for regulating industrial parameters by receiving a control signal output by a regulating control unit and changing the opening angle of a valve plate by means of power operation, generally comprises an actuating mechanism and a valve body, and in the process of regulating the opening angle of the valve body, a positioner is required to detect the current opening angle of the valve body; secondly, the brush and the resistor body of the rotary potentiometer are in a contact state all the time, and due to long-term friction of the brush and the resistor body, abrasion of the potentiometer can be caused to influence positioning accuracy, and in addition, due to long-term work, the electric regulating valve is scrapped due to the fact that the electric regulating valve loses positioning capacity, and the service life of the electric regulating valve is shortened.
Disclosure of Invention
In view of this, the utility model aims at providing a special electrical control valve of anticorrosion chlorine provides a more optimized electrical control valve location detection mechanism.
Based on above-mentioned purpose the utility model provides a pair of special electrical control valve of anticorrosion chlorine, include:
a valve body comprising
A valve plate;
the valve rod is fixedly connected with the valve plate, and the outer surface of the valve rod, the outer surface of the valve plate and the contact part of the valve rod and the valve plate are coated with fluorine lining layers;
an electric actuator comprising
The coupling is used for connecting the valve body;
the driving mechanism is in transmission connection with the coupler and can drive the coupler to rotate;
the positioning mechanism is arranged at the coupler and used for measuring the rotation angle of the coupler and comprises,
the pressing block is an inclined push plate with a downward tip end, is arranged in the coupler, and is provided with a through groove matched with the pressing block;
one end of the push rod is connected with the side surface of the inclined push plate;
the positioning piece is connected to the other end of the push rod and can extend out of the coupler under the pushing of the push rod;
the transmitting end of the photoelectric sensor is arranged above the coupler, the transmitting direction of the photoelectric sensor is aligned with the moving range of the positioning piece when the positioning piece extends out, and the receiving end of the photoelectric sensor is arranged below the moving range of the positioning piece when the positioning piece extends out;
and the control mechanism is respectively connected with the driving mechanism and the positioning mechanism, and controls the driving mechanism to drive the valve body to adjust the opening angle by reading the measured information of the positioning mechanism.
Preferably, one end of the valve rod is provided with a square cylinder, and a square hole matched with the square cylinder at one end of the valve rod is formed in the coupler.
Preferably, a manual adjusting wheel is arranged on the outer side of the electric actuator, and the manual adjusting wheel is in transmission connection with the coupler and can drive the coupler to rotate.
Preferably, the transmitting end and the receiving end of the photoelectric sensor are both arranged in a ring shape.
Preferably, an elastic piece is connected between the push rod and the pressing block.
Preferably, the elastic member is a spring.
Preferably, the valve stem and the valve plate are both made of stainless steel.
From the above, the utility model provides a special electric control valve of anticorrosion chlorine, through at valve rod surface, valve plate surface and valve rod and valve plate contact site cladding fluorine lining layer, can play the anticorrosive effect, make it accord with the needs of special electric control valve of chlorine, through setting up positioning mechanism, including installing the pressing block in the shaft coupling, push rod and setting element, and transmitting terminal and receiving terminal install respectively above the range of motion and below the photoelectric sensor when the setting element stretches out, can insert the pressing block in the shaft coupling when the valve rod inserts the shaft coupling, make the pressing block push the setting element out the shaft coupling through the pushing action of push rod, photoelectric sensor can detect the setting element and stretch out at this moment, show that valve rod and shaft coupling are connected correctly, and through measuring the position of setting element, can accurately obtain the rotation angle of valve rod and valve plate, thereby adjust the opening angle of valve plate according to the demand, overcome among the prior art measure the valve plate angle easily receive the interference, measure inaccurate problem.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1 according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal overlooking structure of a coupling according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of the position B in fig. 3 according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.
An anti-corrosion electric control valve special for chlorine gas comprises a valve body, wherein the valve body comprises a valve plate 1 and a valve rod 2, the valve rod 2 is fixedly connected with the valve plate 1, the outer surface of the valve rod 2, the outer surface of the valve plate 1 and the contact part of the valve rod 2 and the valve plate 1 are respectively coated with a fluorine lining layer, an electric actuator is further arranged in the electric control valve and comprises a coupler 3 used for connecting the valve body, the coupler 3 is in transmission connection with a driving mechanism 5, the driving mechanism 5 can drive the coupler 3 to rotate, a positioning mechanism 4 is arranged at the coupler 3 and used for measuring the rotation angle of the coupler 3, the positioning mechanism 4 comprises a pressing block 41, the pressing block 41 is arranged into an inclined push plate with a downward tip end and is arranged in the coupler 3, a through groove matched with the pressing block 41 is formed in the coupler 3, the side surface of the inclined push plate is, the positioning piece 43 can extend out of the coupler 3 under the pushing of the push rod 42, an emitting end 44 of a photoelectric sensor is arranged above the coupler 3, the emitting direction of the emitting end 44 is aligned with the moving range of the positioning piece 43 when extending out, and a receiving end 45 of the photoelectric sensor is arranged below the moving range of the positioning piece 43 when extending out; the control mechanism is respectively connected with the driving mechanism 5 and the positioning mechanism 4, and the driving mechanism 5 is controlled to drive the valve body to adjust the opening angle by reading the measured information of the positioning mechanism 4.
The outer surface of the valve rod 2, the outer surface of the valve plate 1 and the contact part of the valve rod 2 and the valve plate 1 are coated with fluorine lining layers, so that the corrosion-resistant effect can be achieved, the requirement of the special electric regulating valve for chlorine is met, the positioning mechanism 4 is arranged and comprises a pressing block 41, a push rod 42 and a positioning piece 43 which are arranged in the coupler 3, and a transmitting end 44 and a receiving end 45 which are respectively arranged above and below the movement range of the positioning piece 43 when the positioning piece 43 extends out, when the valve rod 2 is inserted into the coupler 3, the pressing block 41 is pressed into the coupler 3, so that the pressing block 41 pushes the positioning piece 43 out of the coupler 3 through the pushing action of the push rod 42, at the moment, the photoelectric sensor can detect that the positioning piece 43 extends out, namely, the valve rod 2 is correctly connected with the coupler 3, and the rotation angles, thereby adjust the opening angle of valve plate 1 according to the demand, overcome among the prior art measure valve plate 1 angle easily receive the interference, measure inaccurate problem.
Optionally, for valve rod 2 and shaft coupling 3's connection more firm reliable, reduce the wearing and tearing when shaft coupling 3 drives valve rod 2 and rotates, the one end of valve rod 2 sets up to square column body, is equipped with the square hole 31 that matches with the square column body of valve rod 2 one end in the shaft coupling 3, and the pressing block 41 in the positioning mechanism 4, push rod 42 and setting element 43 are all installed in the pore wall of square hole 31.
Optionally, a manual adjusting wheel 6 is arranged on the outer side of the electric actuator, the manual adjusting wheel 6 is in transmission connection with the coupler 3, the coupler 3 can be driven to rotate, and when the driving mechanism 5 of the electric adjusting valve breaks down, the opening angle of the valve plate 1 can be manually adjusted through the manual adjusting wheel 6, so that emergency situations can be met.
Optionally, the emitting end 44 and the receiving end 45 of the photoelectric sensor are both annular and are adapted to the moving range of the positioning element 43 when extending out, so as to improve the accuracy of measurement.
Optionally, the electric control valve may be installed in pipelines in different directions when installed, and an elastic member is connected between the push rod 42 and the pressing block 41, so that the positioning member 43 and the pressing block 41 are conveniently reset when the valve rod 2 is drawn out.
Optionally, the resilient member is a spring 46.
Optionally, the valve rod 2 and the valve plate 1 are made of stainless steel, and the anti-corrosion effect is further improved.
When the electric actuator is installed, firstly, the electric actuator and the valve body are corrected, for example, the valve rod 2 of the valve body is rotated anticlockwise to a full-open position of the valve by a wrench, the electric actuator is shaken to a full-open position by a manual regulating wheel 6, then the direction of connecting the valve body and a pipeline is along the electric actuator, the valve rod 2 is inserted into a coupling 3 square hole 31 of the electric actuator, the valve body and the electric actuator are reliably connected and fixed by a screw, when the valve rod 2 is inserted into the coupling 3 square hole 31 of the electric actuator, a pressing block 41 in the coupling 3 square hole 31 is pressed down, a positioning piece 43 is ejected out under the action of a spring 46, after the positioning piece 43 is extended out, a photoelectric sensor can detect the existence of the positioning piece 43, and then the normal connection of the valve rod 2 and the coupling 3 is explained, and because the positioning piece 43 can block an emission path of an emission end 44, when the electric actuator drives the valve rod 2 to rotate through the coupler 3, the positioning piece 43 rotates along with the rotation of the coupler 3, and the rotation speed and the rotation direction of the valve rod 2 are consistent with those of the coupler 3, so that the rotation condition of the valve rod 2 can be obtained through the position of the measuring positioning piece 43, and the rotation angle of the valve plate 1 is further obtained.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown in the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those skilled in the art in light of the foregoing description.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a special electric control valve of anticorrosion chlorine which characterized in that includes:
a valve body comprising
A valve plate;
the valve rod is fixedly connected with the valve plate, and the outer surface of the valve rod, the outer surface of the valve plate and the contact part of the valve rod and the valve plate are coated with fluorine lining layers;
an electric actuator comprising
The coupling is used for connecting the valve body;
the driving mechanism is in transmission connection with the coupler and can drive the coupler to rotate;
the positioning mechanism is arranged at the coupler and used for measuring the rotation angle of the coupler, and comprises,
the pressing block is an inclined push plate with a downward tip end, is arranged in the coupler, and is provided with a through groove matched with the pressing block;
one end of the push rod is connected to the side surface of the inclined push plate;
the positioning piece is connected to the other end of the push rod and can extend out of the coupler under the pushing of the push rod;
the transmitting end of the photoelectric sensor is arranged above the coupler, the transmitting direction of the photoelectric sensor is aligned with the moving range of the positioning piece when the positioning piece extends out, and the receiving end of the photoelectric sensor is arranged below the moving range of the positioning piece when the positioning piece extends out;
and the control mechanism is respectively connected with the driving mechanism and the positioning mechanism, and controls the driving mechanism to drive the valve body to adjust the opening angle by reading the measured information of the positioning mechanism.
2. The electric control valve special for anti-corrosion chlorine gas as claimed in claim 1, wherein one end of the valve rod is provided with a square cylinder, and the coupling is provided with a square hole matched with the square cylinder at one end of the valve rod.
3. The anti-corrosion electric control valve special for chlorine gas according to claim 1, wherein a manual adjustment wheel is disposed outside the electric actuator, and the manual adjustment wheel is in transmission connection with the coupler and can drive the coupler to rotate.
4. The anti-corrosion electric control valve special for chlorine gas as claimed in claim 1, wherein the transmitting end and the receiving end of the photoelectric sensor are both arranged in a ring shape.
5. The anti-corrosion electric control valve special for chlorine gas as claimed in claim 1, wherein an elastic member is connected between the push rod and the pressing block.
6. The electric control valve special for anti-corrosion chlorine gas as claimed in claim 5, wherein the elastic member is a spring.
7. The anti-corrosion electric control valve special for chlorine gas as claimed in claim 1, wherein the valve rod and the valve plate are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920953342.3U CN210141327U (en) | 2019-06-24 | 2019-06-24 | Special electric control valve for anti-corrosion chlorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920953342.3U CN210141327U (en) | 2019-06-24 | 2019-06-24 | Special electric control valve for anti-corrosion chlorine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210141327U true CN210141327U (en) | 2020-03-13 |
Family
ID=69735406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920953342.3U Expired - Fee Related CN210141327U (en) | 2019-06-24 | 2019-06-24 | Special electric control valve for anti-corrosion chlorine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210141327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321489A (en) * | 2021-12-17 | 2022-04-12 | 国网河南省电力公司检修公司 | SF6 valve state real-time monitoring device of transformer substation |
-
2019
- 2019-06-24 CN CN201920953342.3U patent/CN210141327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321489A (en) * | 2021-12-17 | 2022-04-12 | 国网河南省电力公司检修公司 | SF6 valve state real-time monitoring device of transformer substation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200313 Termination date: 20200624 |