CN221170994U - Valve actuator convenient to observe - Google Patents
Valve actuator convenient to observe Download PDFInfo
- Publication number
- CN221170994U CN221170994U CN202322993037.6U CN202322993037U CN221170994U CN 221170994 U CN221170994 U CN 221170994U CN 202322993037 U CN202322993037 U CN 202322993037U CN 221170994 U CN221170994 U CN 221170994U
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- Prior art keywords
- groove
- inner cavity
- driving shaft
- valve actuator
- observation window
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- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The application discloses a valve actuator convenient to observe, which comprises a shell, a transmission mechanism, an indicating plate and an observation window, wherein the shell is provided with an inner cavity, the inner wall of the inner cavity is provided with a through groove, the inner peripheral surface of the through groove, which is close to the inner cavity, is provided with an annular sinking groove, and the annular sinking groove is communicated with the inner cavity; the transmission mechanism comprises a transmission part and a driving shaft which are all arranged in the inner cavity, the driving shaft is rotationally connected with the shell, one end of the driving shaft extends out of the shell, the other end of the driving shaft is positioned in the inner cavity and is opposite to the through groove, and the transmission part drives the driving shaft to rotate; the indicating disc is arranged at the tail end of the driving shaft positioned in the inner cavity; the observation window is arranged in the annular sinking groove. By adopting the arrangement, the application can reduce the installation mode of directly pressing the observation window by adopting the protection frame so as to reduce the occurrence of the condition of crushing the observation window.
Description
Technical Field
The application belongs to the technical field of valve actuator structures, and particularly relates to a valve actuator convenient to observe.
Background
The valve actuator is a machine for driving the valve to open and close, and is mainly divided into an electric one and a manual one. The driving source of the valve actuator usually adopts a gear transmission structure, and the electric driving is realized through motor control or the manual driving is realized through hand wheel control. Because the valve in the prior art is in a dark channel or underwater, the opening and closing states of the valve are difficult to observe, the valve actuator is generally provided with an indicating disc in an internal structure, the indicating disc is mechanically or electrically connected with a driving source of the valve actuator, so that the current working state of the valve actuator is indirectly judged through the driving source of the valve actuator, and meanwhile, an observation window is arranged on the surface of the valve actuator to observe the working state of the indicating disc, so that a user can use the valve actuator conveniently.
The valve actuator of the prior art generally installs the observation window on the surface, and the installation mode can be through installing the protection frame at the surface of valve actuator through the screw lock, utilizes the edge of protection frame extrusion observation window to realize the effect of installing fixed observation window, however from the outside through the mode of protection frame extrusion and fixed observation window, can increase processing cost, adopts the direct extrusion installation of protection frame mode simultaneously, can crush the observation window and cause the fracture sometimes.
Disclosure of utility model
In order to overcome the defects of the prior art, the application aims to provide the valve actuator convenient to observe, which can reduce the installation mode of directly compacting the observation window by adopting the protection frame so as to reduce the occurrence of the condition of crushing the observation window.
The aim of the application is achieved by the following technical scheme:
The application provides a valve actuator convenient to observe, which comprises a shell, a transmission mechanism, an indicating plate and an observation window, wherein the shell is provided with an inner cavity, the inner wall of the inner cavity is provided with a through groove, the inner peripheral surface of the through groove, which is close to the inner cavity, is provided with an annular sinking groove, and the annular sinking groove is communicated with the inner cavity; the transmission mechanism comprises a transmission part and a driving shaft which are all arranged in the inner cavity, the driving shaft is rotationally connected with the shell, one end of the driving shaft extends out of the shell, the other end of the driving shaft is positioned in the inner cavity and is opposite to the through groove, and the transmission part drives the driving shaft to rotate; the indicating disc is arranged at the tail end of the driving shaft in the inner cavity; the observation window is arranged in the annular sinking groove.
Further, the edge of the observation window is glued in the annular sinking groove through fixing glue.
Preferably, the outer peripheral surface of the observation window is fixedly connected with a rubber ring, and the observation window is installed in the annular sinking groove in an interference mode through the rubber ring.
Preferably, a metal ring is arranged in the annular sinking groove, the outer peripheral surface of the observation window is fixedly connected with a magnetic ring, the observation window is in plug-in fit with the annular sinking groove through the magnetic ring, and the magnetic ring is propped against the metal ring through magnetism of the magnetic ring.
Further, still include control circuit, control circuit includes the circuit board, rotates signal converter, and circuit board and rotation signal converter are all installed at the intracavity, rotate signal converter and have the rotation signal receiving end, rotate signal receiving end and drive shaft rotation and be connected, rotate signal converter and indicating disk all with circuit board electric connection, rotate signal converter and turn into the signal of opening and close of valve with the rotation information of drive shaft to show on the indicating disk through the circuit board.
Further, the rotating piece comprises a turbine, a worm and a driving piece, wherein the turbine and the worm are all rotatably installed in the inner cavity, the driving piece is installed on the shell, the turbine is in transmission connection with the driving shaft, the worm is perpendicular to the driving shaft, the worm is meshed with the turbine, and the driving end of the driving piece is in transmission connection with the worm.
Further, one end of the worm extends out of the shell, the tail end of the worm extending out of the shell is provided with a matching groove, the driving piece adopts a handle, the tail end of the handle is provided with a matching block, and the matching block is in plug-in matching with the matching groove.
Further, the shell comprises a bottom cover and an upper cover, the upper cover is arranged on a cover opening of the bottom cover, cover cavities of the bottom cover and the upper cover form the inner cavity, the transmission mechanism is arranged in the bottom cover, and the through groove and the annular sinking groove are formed in the inner surface of the cover cavity of the upper cover.
The application has the following beneficial effects:
Compared with the prior art that the protection frame is mounted by screw locking, the application adopts the mode of mounting the observation window from inside and avoids the mode of mounting the observation window by pressing the protection frame, thereby having the functions of reducing parts and practicality, better protecting the problem of damage to the edge of the observation window and saving the mounting cost and processing cost. When the valve is used, the opening and closing conditions of the drive shaft and/or the valve in the indicating plate can be observed through the observation window, so that the drive shaft can be further controlled to rotate through the transmission piece, the opening and closing of the valve can be accurately controlled, and the opening and closing conditions of the valve can be conveniently observed and judged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a cross-sectional view of the bottom cover structure of the present application.
Fig. 3 is a cross-sectional view of the overall structure of the present application.
Fig. 4 is a partial enlarged view at a in fig. 3.
In the figure:
1. A bottom cover; 11. a step; 12. a separator plate;
2. An upper cover; 21. a through groove; 22. an annular sink;
3. A transmission mechanism; 31. a drive shaft; 32. a turbine; 33. a worm; 34. a mating groove; 35. a handle; 36. a mating block;
4. An indication plate;
5. a circuit board;
6. rotating the signal converter; 61. a rotation signal receiving end;
7. and an observation window.
Detailed Description
The application will now be described in further detail with reference to the drawings and to specific examples. The terms such as "upper", "inner", "middle", "left", "right" and "a" and the like recited in the present specification are also for convenience of description only and are not intended to limit the scope of the present application, but rather to change or adjust the relative relationship thereof, without substantially changing the technical content, and are considered to be within the scope of the present application.
Example 1
Referring to fig. 1 to 4, a valve actuator for facilitating observation according to an embodiment of the present application includes a housing, a transmission mechanism 3, an indicator panel 4, a control circuit, and an observation window 7. The shell comprises a bottom cover 1 and an upper cover 2, the upper cover 2 is arranged on a cover opening of the bottom cover 1, cover cavities of the bottom cover 1 and the upper cover 2 form an inner cavity, a through groove 21 is formed in the inner bottom surface of the upper cover 2, an annular sinking groove 22 is formed in the inner peripheral surface of the through groove 21, which is close to the inner cavity, and the annular sinking groove 22 is communicated with the inner cavity.
Wherein, the transmission mechanism 3 is arranged in the cover cavity of the bottom cover 1, the inner peripheral surface of the cover cavity of the bottom cover 1 is provided with a step 11, the step 11 is provided with a baffle plate 12 through screw locking, and a space for installing the transmission mechanism 3 is formed between the baffle plate 12 and the cover cavity of the bottom cover 1. The transmission mechanism 3 comprises transmission parts and a driving shaft 31 which are all arranged in the cavity of the bottom cover 1, the driving shaft 31 is positioned between the bottom cover 1 and the interlayer plate 12, two ends of the driving shaft 31 are respectively and rotatably connected with the inner bottom surface of the bottom cover 1 and the interlayer plate 12 through bearings, and one end of the driving shaft 31 extends out of the bottom cover 1 and is used for connecting a valve so as to control the opening and closing of the valve through rotating the driving shaft 31; the other end of the driving shaft 31 passes through the partition plate 12 and stretches into the cover cavity of the upper cover 2, the tail end of the driving shaft 31 stretching into the cover cavity of the upper cover 2 is opposite to the through groove 21, the rotation condition of the driving shaft 31 is observed through the through groove 21, and the transmission part can adopt a gear meshing structure and a worm gear 33 structure and is used for driving the driving shaft 31 to rotate.
The rotating part comprises a turbine 32, a worm 33 and a driving part, wherein the turbine 32 and the worm 33 are all installed in a cavity of the bottom cover 1 in a rotating mode, the driving part is installed on the shell, the turbine 32 is integrally connected with the outer peripheral surface of the driving shaft 31, so that the turbine 32 and the driving shaft 31 rotate coaxially, two ends of the worm 33 are respectively connected with two inner faces of the bottom cover 1 in a rotating mode through bearings, the worm 33 is perpendicular to the driving shaft 31, the worm 33 is meshed with the turbine 32, the driving end of the driving part is in transmission connection with the worm 33, the worm 33 is driven to rotate through the driving part, and then the turbine 32 and the driving shaft 31 are driven to rotate synchronously, and further the opening and closing of the valve are controlled.
The actuator may employ a motor (not shown) or handle 35 to effect the electric or manual control of the valve opening and closing by the valve actuator.
When the driving piece adopts a motor, two ends of the worm 33 can be positioned in the cover cavity of the bottom cover 1, or one end of the worm extends out of the bottom cover 1, the driving piece can be arranged in the cover cavity of the bottom cover 1 or outside the shell, and the driving end of the driving piece is in transmission connection with the worm 33 to realize the rotation of the electric control worm 33, so that the driving shaft 31 is driven to rotate.
When the handle 35 is used as the driving member, the handle 35 is detachably mounted outside the housing to enable storage of the handle 35 when not in use. One end of the worm 33 extends out of the shell, the tail end of the worm 33 extending out of the shell is provided with a matching groove 34, the notch profile of the matching groove 34 is hexagonal, the tail end of the handle 35 is provided with a matching block 36 with the peripheral profile of the hexagon, the matching block 36 is in plug-in matching with the matching groove 34, the worm 33 is controlled to rotate through the hand-operated handle 35, and accordingly the drive shaft 31 is driven to rotate through transmission.
With continued reference to fig. 3 and 4, the indicator disc 4 is mounted at the end of the driving shaft 31 located in the cavity of the upper cover 2, so that the rotation condition of the driving shaft 31 can be judged by observing the indicator disc 4 through the through groove 21, and the opening and closing condition of the valve can be known.
With continued reference to fig. 3 and fig. 4, the control circuit includes a circuit board 5 and a rotation signal converter 6, where the circuit board 5 and the rotation signal converter 6 are both mounted on the partition board 12, the rotation signal converter 6 has a rotation signal receiving end 61, the rotation signal receiving end 61 is rotationally connected with the driving shaft 31, and the rotation condition of the driving shaft 31 is received by the rotation signal receiving end 61; the rotary signal converter 6 and the indicating plate 4 are electrically connected with the circuit board 5, the rotary signal converter 6 converts the rotary information of the driving shaft 31 into an opening and closing signal of the valve, the opening and closing signal is transmitted to the circuit board 5, and then the opening and closing signal of the valve is displayed on the indicating plate 4 through the circuit board 5 so as to be observed through the through groove 21.
The observation window 7 is made of glass or acrylic transparent material, and the edge of the observation window 7 is glued in the annular sinking groove 22 through fixing glue, so that the function of installing the observation window 7 from the inside of the upper cover 2 is realized, and the installation of the observation window 7 is firm.
Example 2
Example 2 differs from example 1 in that:
The outer peripheral surface of the observation window 7 is fixedly connected with a rubber ring (not shown), and the observation window 7 is installed in the annular sinking groove 22 in an interference mode through the rubber ring.
Example 3
Example 3 differs from example 1 in that:
A metal ring (not shown) is arranged in the annular sinking groove 22, a magnetic ring (not shown) is fixedly connected to the peripheral surface of the observation window 7, the observation window 7 is in plug-in fit with the annular sinking groove 22 through the magnetic ring, and the magnetic ring is propped against the metal ring through magnetism of the magnetic ring.
In summary, according to the application, the through groove 21 and the annular sinking groove 22 are formed in the inner wall of the shell so as to mount the observation window 7 in the annular sinking groove 22 from inside, compared with the prior art that the protection frame is mounted by screw locking so as to tightly press and fix the observation window 7, the application adopts the mode of mounting the observation window 7 from inside, and avoids the mode of tightly pressing and mounting the observation window 7 by adopting the protection frame, thereby having the functions of reducing parts and parts, better protecting the problem of damage to the edge of the observation window 7, and saving the mounting cost and the processing cost.
When in use, the opening and closing conditions of the drive shaft 31 and/or the valve in the indicating plate 4 can be observed through the observation window 7, so that the drive shaft 31 can be further controlled to rotate through the transmission piece, the opening and closing of the valve can be correctly controlled, and the opening and closing conditions of the valve can be conveniently observed and judged.
The embodiments of the present application are not limited thereto, and the present application may be modified, substituted or combined in various other forms without departing from the basic technical spirit of the present application, which falls within the scope of the claims, according to the above-described aspects of the present application, using the general knowledge and conventional means of the art.
Claims (8)
1. A valve actuator for facilitating viewing, comprising:
The shell is provided with an inner cavity, the inner wall of the inner cavity is provided with a through groove, the inner peripheral surface of the through groove, which is close to the inner cavity, is provided with an annular sinking groove, and the annular sinking groove is communicated with the inner cavity;
The transmission mechanism comprises a transmission part and a driving shaft which are all installed in the inner cavity, the driving shaft is rotationally connected with the shell, one end of the driving shaft extends out of the shell, the other end of the driving shaft is positioned in the inner cavity and is opposite to the through groove, and the transmission part drives the driving shaft to rotate;
an indicator disc mounted at the end of the drive shaft within the interior cavity;
and the observation window is arranged in the annular sinking groove.
2. The valve actuator of claim 1, wherein the edge of the viewing window is glued in the annular sink by a fixing glue.
3. The valve actuator of claim 1, wherein the outer peripheral surface of the viewing window is fixedly connected with a rubber ring, and the viewing window is installed in the annular sink through interference of the rubber ring.
4. The valve actuator of claim 1, wherein a metal ring is arranged in the annular sinking groove, a magnetic ring is fixedly connected to the outer peripheral surface of the observation window, the observation window is in plug-in fit with the annular sinking groove through the magnetic ring, and the magnetic ring is propped against the metal ring through magnetism of the magnetic ring.
5. The valve actuator of claim 1, further comprising a control circuit, wherein the control circuit comprises a circuit board and a rotation signal converter, wherein the circuit board and the rotation signal converter are both mounted in the inner cavity, the rotation signal converter is provided with a rotation signal receiving end, the rotation signal receiving end is rotationally connected with the driving shaft, the rotation signal converter and the indicating plate are both electrically connected with the circuit board, and the rotation signal converter converts rotation information of the driving shaft into an opening and closing signal of the valve and displays the opening and closing signal on the indicating plate through the circuit board.
6. The valve actuator of claim 1, wherein the rotating member comprises a worm gear rotatably mounted within the interior cavity, a worm gear in driving engagement with the drive shaft, the worm gear being perpendicular to the drive shaft, the worm gear being engaged with the worm gear, and a driving end of the driving member being in driving engagement with the worm gear.
7. The valve actuator of claim 6, wherein one end of the worm extends out of the housing, a mating groove is formed in the end of the worm extending out of the housing, the driving member is a handle, and a mating block is arranged at the end of the handle and is in plug-in fit with the mating groove.
8. The valve actuator of any one of claims 1 to 7, wherein the housing comprises a bottom cover and an upper cover, the upper cover is mounted on a cover mouth of the bottom cover, cover cavities of the bottom cover and the upper cover form the inner cavity, the transmission mechanism is mounted in the bottom cover, and the through groove and the annular countersink are formed in the cover cavity inner face of the upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322993037.6U CN221170994U (en) | 2023-11-06 | 2023-11-06 | Valve actuator convenient to observe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322993037.6U CN221170994U (en) | 2023-11-06 | 2023-11-06 | Valve actuator convenient to observe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221170994U true CN221170994U (en) | 2024-06-18 |
Family
ID=91457281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322993037.6U Active CN221170994U (en) | 2023-11-06 | 2023-11-06 | Valve actuator convenient to observe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221170994U (en) |
-
2023
- 2023-11-06 CN CN202322993037.6U patent/CN221170994U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |