CN215806726U - Valve position indicating device of adjusting type manual ball valve - Google Patents
Valve position indicating device of adjusting type manual ball valve Download PDFInfo
- Publication number
- CN215806726U CN215806726U CN202122299930.XU CN202122299930U CN215806726U CN 215806726 U CN215806726 U CN 215806726U CN 202122299930 U CN202122299930 U CN 202122299930U CN 215806726 U CN215806726 U CN 215806726U
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- valve
- ball valve
- manual ball
- position indicating
- indicating device
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- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a valve position indicating device of an adjusting type manual ball valve, which comprises a rotating gear, a high-precision potentiometer and a signal generator, wherein the rotating gear is connected with the signal generator; the rotating gear is fixedly arranged on a rotating handle shaft of the adjusting type manual ball valve and can rotate along with the rotating handle shaft by taking the rotating handle shaft as a shaft; the high-precision potentiometer is arranged on a valve cover of the adjusting type manual ball valve and is positioned on one side of the rotating handle shaft, and a pinion of the high-precision potentiometer is tightly meshed with the rotating gear; the signal generator is connected with the high-precision potentiometer through a signal wire. The valve position indicating device of the adjusting type manual ball valve can be used for monitoring the valve position indicating state of the adjusting type manual ball valve in real time.
Description
Technical Field
The utility model relates to the field of valve position indication of valves, in particular to a valve position indicating device of an adjustable manual ball valve.
Background
The ball valve is a valve in which a cock body is driven by a valve rod and rotates around the axis of the valve. The ball valve cock body is the spheroid, through the twist grip, opens or closes the ball valve. The ball valve can be limited from the valve opening to the valve closing by rotating the handle by 90 degrees. The ball valve has the characteristics of good sealing performance, simple structure, low flow resistance, convenience in operation and the like.
In China, ball valves are widely applied to petrochemical, marine, pharmaceutical, medical and other industries. The ball valves are classified into two types, namely a manual ball valve and an electric ball valve, wherein the manual ball valve is mainly classified into a switch-type manual ball valve and an adjusting-type manual ball valve, and the adjusting-type manual ball valve is mainly used for adjusting the flow of a medium in a pipeline.
The flow of the pipeline medium needs to be adjusted in the operation process of the system, and the corresponding flow is different under different adjusting opening degrees. The relation between the opening degree and the flow of the valve needs to be mastered in the operation process of the system, the electric regulating valve is provided with the valve position indicating device, the valve opening degree can be observed on line, but the regulating type manual ball valve cannot monitor the valve opening degree on line, personnel are needed to go to the site for confirmation, and time and labor cost are undoubtedly increased. Therefore, the valve position state of the adjustable manual ball valve needs to be monitored on line, the relationship between the valve position and the flow is determined in real time, and data support is provided for stable operation of the system.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a valve position indicating device of a regulating type manual ball valve, which can be used for monitoring the valve position indicating state of the regulating type manual ball valve in real time.
In order to achieve the aim, the utility model provides a valve position indicating device of an adjusting type manual ball valve, which comprises a rotating gear, a high-precision potentiometer and a signal generator, wherein the rotating gear is connected with the high-precision potentiometer; the rotating gear is fixedly arranged on a rotating handle shaft of the adjusting type manual ball valve and can rotate along with the rotating handle shaft by taking the rotating handle shaft as a shaft; the high-precision potentiometer is arranged on a valve cover of the adjusting type manual ball valve and is positioned on one side of the rotating handle shaft, and a pinion of the high-precision potentiometer is tightly meshed with the rotating gear; the signal generator is connected with the high-precision potentiometer through a signal wire.
In a preferred embodiment, when the adjustment type manual ball valve is opened or closed, the rotating gear rotates along with the rotating handle shaft and drives the pinion of the high-precision potentiometer to rotate, the rotation of the pinion enables the high-precision potentiometer to output continuously-changing voltage values, the voltage values are fed back to the signal generator and are transmitted to a feedback signal required by an upper computer after being isolated and converted by the signal generator, and the feedback signal can monitor the valve position real-time state of the adjustment type manual ball valve.
In a preferred embodiment, the high-precision potentiometer is a multi-turn potentiometer.
In a preferred embodiment, the rotational travel of the multi-turn potentiometer is greater than the rotational travel of the rotating handle shaft from the valve open limit to the valve closed limit.
In a preferred embodiment, the valve position indicating device of the adjustment-type manual ball valve further comprises a bracket which is arranged on the valve body of the adjustment-type manual ball valve through a fastener.
In a preferred embodiment, the signal generator is arranged on the support.
Compared with the prior art, the valve position indicating device of the adjustable manual ball valve has the following beneficial effects: according to the scheme, the rotary gear is arranged on the rotary handle shaft, the high-precision potentiometer is arranged on one side of the rotary handle shaft on the valve cover, and the pinion of the high-precision potentiometer is tightly combined with the rotary gear, so that the problem of valve position indication monitoring of the adjusting type manual ball valve can be solved, a valve position indication signal of the adjusting type manual ball valve is transmitted to the control room in real time, and the valve position state is monitored in real time; meanwhile, the personnel cost can be reduced, and the valve position state of the adjusting manual ball valve does not need to be confirmed on site before the system is started; valve position data of the adjustable manual ball valve in the operation process can be recorded in real time, and data support is provided for accurate control of the system; and the valve position indicating device has simple structure, convenient installation and low use and maintenance cost.
Drawings
FIG. 1 is a schematic diagram of a valve position indicating device according to an embodiment of the present invention;
fig. 2 is a schematic wiring diagram of a valve position indicating apparatus according to an embodiment of the present invention.
Description of the main reference numerals:
1-rotating gear, 2-high precision potentiometer, 3-signal wire, 4-signal generator, 5-bracket, 6-fastener, 7-adjustable manual ball valve, 8-rotating handle and 9-valve cover.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 to 2, a valve position indicating apparatus of an adjustable manual ball valve according to a preferred embodiment of the present invention mainly includes a rotary gear 1, a high-precision potentiometer 2, a signal line 3, a signal generator 4, a bracket 5, a fastening member 6, and the like.
Referring to fig. 1 to 2, in some embodiments, the rotary gear 1 is fixed on a rotary handle 8 shaft of the adjustable manual ball valve 7, and can rotate along with the rotary handle 8 shaft by using the rotary handle 8 shaft as a shaft. The high-precision potentiometer 2 is arranged on a valve cover 9 of the adjusting type manual ball valve 7 and is positioned on one side of the shaft of the rotating handle 8, and a pinion of the high-precision potentiometer 2 is tightly meshed with the rotating gear 1. The signal generator 4 is connected to the high-precision potentiometer 2 through a signal line 3. The bracket 5 is arranged on the valve body of the adjusting manual ball valve 7 through a fastener 6.
In some embodiments, in order to ensure that the high-precision potentiometer 2 is not damaged in the valve rotation process, in the model selection process of the valve position indicating device of the present embodiment, a plurality of circles of high-precision potentiometers 2 matched with the gear ratio of the large gear are generally selected, and meanwhile, when the valve is ensured to be in the limit position of the switch valve in the installation process, the potentiometers still have partial allowance of rotation stroke to reach the limit position. That is to say the rotational travel of the multi-turn potentiometer is greater than the rotational travel of the shaft of the rotary handle 8 from the valve-opening limit to the valve-closing limit.
In some embodiments, the high-precision potentiometer 2 is powered by the signal generator 4, when the adjustment type manual ball valve 7 is opened or closed, the rotating gear 1 rotates along with the rotating handle 8 shaft, and simultaneously drives the pinion of the high-precision potentiometer 2 to rotate, the rotation of the pinion enables the high-precision potentiometer 2 to output a continuously changing voltage value, the voltage value is fed back to the signal generator 4 and is transmitted to a feedback signal required by an upper computer after being isolated and converted by the signal generator 4, and the feedback signal can monitor the valve position real-time state of the adjustment type manual ball valve 7.
In summary, the valve position indicating device of the adjustable manual ball valve 7 has the following advantages: according to the scheme, the rotating gear 1 is arranged on the shaft of the rotating handle 8, the high-precision potentiometer 2 is arranged on one side of the shaft of the rotating handle 8 on the valve cover 9, and the pinion of the high-precision potentiometer 2 is tightly combined with the rotating gear 1, so that the problem of valve position indication monitoring of the adjusting type manual ball valve 7 can be solved, a valve position indication signal of the adjusting type manual ball valve 7 is transmitted to a control chamber in real time, and the valve position state is monitored in real time; meanwhile, the personnel cost can be reduced, and the valve position state of the adjusting manual ball valve 7 does not need to be confirmed on site before the system is started; valve position data of the adjustable manual ball valve 7 in the operation process can be recorded in real time, and data support is provided for accurate control of the system; and the valve position indicating device has simple structure, convenient installation and low use and maintenance cost.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (6)
1. A valve position indicating device of a regulating type manual ball valve is characterized by comprising:
a rotary gear fixedly mounted on a rotary handle shaft of the adjustment type manual ball valve and rotatable with the rotary handle shaft as a shaft;
the high-precision potentiometer is arranged on the valve cover of the adjusting type manual ball valve and is positioned on one side of the rotating handle shaft, and a pinion of the high-precision potentiometer is tightly meshed with the rotating gear; and
and the signal generator is connected with the high-precision potentiometer through a signal wire.
2. The apparatus as claimed in claim 1, wherein when the manual adjusting ball valve is opened or closed, the rotating gear rotates with the rotating handle shaft and drives the pinion of the high-precision potentiometer to rotate, the rotation of the pinion enables the high-precision potentiometer to output a continuously variable voltage value, the voltage value is fed back to the signal generator and is isolated and converted by the signal generator and then transmitted to a feedback signal required by an upper computer, and the feedback signal can monitor a real-time valve position of the manual adjusting ball valve.
3. A valve position indicating device of a modulating manual ball valve as in claim 1 wherein the high precision potentiometer is a multi-turn potentiometer.
4. A valve position indicating device for a modulating manual ball valve as in claim 3 wherein the rotational travel of the multi-turn potentiometer is greater than the rotational travel of the rotating handle shaft from the open valve limit to the closed valve limit.
5. The valve position indicating device of a modulating manual ball valve according to claim 1, further comprising a bracket disposed on the valve body of the modulating manual ball valve by a fastener.
6. A valve position indicator assembly for a modulating manual ball valve as in claim 5 wherein said signal generator is disposed on said bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299930.XU CN215806726U (en) | 2021-09-22 | 2021-09-22 | Valve position indicating device of adjusting type manual ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299930.XU CN215806726U (en) | 2021-09-22 | 2021-09-22 | Valve position indicating device of adjusting type manual ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806726U true CN215806726U (en) | 2022-02-11 |
Family
ID=80165337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122299930.XU Expired - Fee Related CN215806726U (en) | 2021-09-22 | 2021-09-22 | Valve position indicating device of adjusting type manual ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806726U (en) |
-
2021
- 2021-09-22 CN CN202122299930.XU patent/CN215806726U/en not_active Expired - Fee Related
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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: 20220211 |