CN211288658U - Opening cam, gear detection device and electric ball valve actuator - Google Patents
Opening cam, gear detection device and electric ball valve actuator Download PDFInfo
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- CN211288658U CN211288658U CN201922245322.3U CN201922245322U CN211288658U CN 211288658 U CN211288658 U CN 211288658U CN 201922245322 U CN201922245322 U CN 201922245322U CN 211288658 U CN211288658 U CN 211288658U
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- valve
- arc
- photoelectric switch
- gear
- printing opacity
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Abstract
The utility model provides an aperture cam, gear detection device and electric ball valve executor belongs to electric ball valve technical field, and the aperture cam includes rotation portion, arc barn door to and a plurality of printing opacity clearance, form the installation space who is used for installing the illuminator between arc barn door and the rotation portion. The gear detection device comprises the opening cam, a circuit board and a gear photoelectric switch. The utility model provides an aperture cam, gear detection device and electric ball valve executor, both sides limit through with the printing opacity clearance is the contained angle setting with the direction of illumination of light (printing opacity direction promptly), under the printing opacity clearance on the arc barn door can not further reduce because of the reason of manufacturing accuracy under, through the slope setting with the both sides limit in printing opacity clearance, under the condition that mould steel sheet thickness can not attenuate again, can further narrow down the width that the printing opacity clearance allowed light to pass through to, the gear angle control error of having reduced the operation, the detection of messenger's gear is more accurate.
Description
Technical Field
The utility model belongs to the technical field of electric ball valve, more specifically say, relate to an aperture cam, gear detection device and electric ball valve executor.
Background
The electric ball valve is composed of an electric actuator and a ball valve, is a pipeline pressure element for industrial automation process control, is commonly used for household heating and ventilation charge management and control regulation, such as remote opening and closing (medium connection and disconnection) control of pipeline media, and is also suitable for regulation and control of fluid. The ball valve has low resistance and high flow capacity when being opened fully, has high resistance and good adjustability when being adjusted by throttling, can not form additional resistance of a terminal heat user, and has the advantages of wear resistance, good sealing performance, long service life and the like, so the ball valve is widely applied to different scenes. The electric actuator is an important component of the electric ball valve, and the electric ball valve controls the opening and closing of the ball valve and adjusts the gear (flow passing through the ball valve) of the ball valve through the electric actuator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aperture cam, gear detection device and electric ball valve executor aims at solving the big problem of electric ball valve gear regulation control error among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an aperture cam, including be used for installing rotation portion, the setting on the valve shaft pole the side of rotation portion and with the arc barn door that rotation portion interval set up, and a plurality of edge the printing opacity clearance that the length direction of arc barn door distributes, form the installation space that is used for installing the illuminator between arc barn door and the rotation portion, the both sides limit in printing opacity clearance all with the printing opacity direction in printing opacity clearance is the contained angle setting.
As another embodiment of the present application, the center of a circle of the arc-shaped light barrier and the center of rotation of the rotating portion coincide and are disposed, the arc-shaped light barrier and the rotating portion are further provided with a connecting portion therebetween for connecting the arc-shaped light barrier and the rotating portion.
As another embodiment of the present application, the connecting portion is a sector plate disposed between the rotating portion and the arc-shaped light barrier, and the connecting portion is further provided with a lightening hole.
As another embodiment of this application, the rotation portion is cylindric, still be provided with the mounting hole that is used for the valve axostylus axostyle to pass through on the rotation portion, the mounting hole sets up rotation portion's axle center department and with the rotation center coincidence of rotation portion sets up.
As another embodiment of the present application, the transverse base surface of the mounting hole is polygonal, and the transverse base surface of the valve shaft is matched with the mounting hole.
As another embodiment of the present application, a limiting portion for limiting a rotation angle of the rotating portion is disposed on a side surface of the rotating portion, and the limiting portion is located on an opposite side of the arc-shaped light barrier.
The utility model provides an aperture cam's beneficial effect lies in: compared with the prior art, be provided with on the valve axostylus axostyle and can follow the valve axostylus axostyle together pivoted rotation portion to be provided with the arc barn door in the side of rotation portion, the arc barn door sets up with rotation portion interval, still is provided with a plurality of printing opacity clearances corresponding with gear quantity on the arc barn door, and the both sides limit in printing opacity clearance all is the contained angle setting with the printing opacity direction in printing opacity clearance. The utility model discloses the aperture cam is the contained angle setting through the both sides limit with the printing opacity clearance and the direction of shining of light (printing opacity direction promptly), under the printing opacity clearance on the arc barn door can not further reduce because of the reason of manufacturing accuracy under, through the slope setting with the both sides limit in printing opacity clearance, under the condition that mould steel sheet thickness can not attenuate again, can further narrow down the width that the printing opacity clearance allowed light to pass through to, reduced two-way operation gear angle control error, make the detection of gear more accurate.
The utility model also provides a gear detection device, including the foretell aperture cam of arbitrary, still include the circuit board, set up be in be used for on the circuit board and detect the gear photoelectric switch of the arc barn door position of aperture cam, gear photoelectric switch's illuminator with be provided with between gear photoelectric switch's the photic ware and be used for the passageway that the arc barn door passes through.
As another embodiment of the present application, the circuit board is further provided with a valve-opening photoelectric switch and a valve-closing photoelectric switch, the valve-opening photoelectric switch and the valve-closing photoelectric switch are respectively located at two end points of the movement path of the arc-shaped light barrier, and the valve-opening photoelectric switch and the valve-closing photoelectric switch are both provided with a channel for the passage of the limiting portion.
As another embodiment of this application, be provided with on the circuit board and be used for the valve axostylus axostyle to pass through give a way empty and open, gear photoelectric switch open valve photoelectric switch with it all sets up to close valve photoelectric switch give a way on the week that empty was opened.
The utility model provides a gear detection device's beneficial effect lies in: compared with the prior art, the utility model discloses gear detection device is the contained angle setting through the both sides limit with the printing opacity clearance and the direction of illumination of light (printing opacity direction promptly). Under the condition that the light transmission clearance on the arc-shaped light barrier can not be further reduced due to the reason of manufacturing precision, the two side edges of the light transmission clearance are obliquely arranged, the width of the light transmission clearance allowing light to pass through can be further narrowed to the extent that the thickness of the die steel sheet can not be thinned, the control error of the two-way operation gear angle is reduced, and the detection of the gear is more accurate.
The utility model also provides an electronic ball valve executor for drive valve shaft pole and rotate, including any gear detection device.
The utility model provides an electric ball valve executor's beneficial effect lies in: compared with the prior art, the utility model discloses electric ball valve executor is the contained angle setting through the both sides limit with the printing opacity clearance and the direction of shining of light (printing opacity direction promptly). Under the condition that the light transmission clearance on the arc-shaped light barrier can not be further reduced due to the reason of manufacturing precision, the two side edges of the light transmission clearance are obliquely arranged, the width of the light transmission clearance allowing light to pass through can be further narrowed to the extent that the thickness of the die steel sheet can not be thinned, the control error of the two-way operation gear angle is reduced, and the detection of the gear is more accurate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an opening cam according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a gear detection device provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electric ball valve actuator provided by the embodiment of the present invention.
In the figure: 1. a rotating part; 2. an arc-shaped light barrier; 21. a light-transmitting gap; 3. a limiting part; 4. a connecting portion; 41. lightening holes; 5. mounting holes; 6. a circuit board; 61. opening the yielding space; 7. a gear photoelectric switch; 8. Opening a valve photoelectric switch; 9. closing the valve photoelectric switch; 10. a light transmission direction; 11. the valve shaft.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 together, the opening cam provided by the present invention will now be described. The aperture cam, including being used for installing on valve axostylus axostyle 11 and can following the rotation portion 1 that valve axostylus axostyle 11 together rotated, the setting is in the side of rotation portion 1 and with the arc barn door 2 that the rotation portion 1 interval set up, and a plurality of printing opacity clearance 21 that distribute on the length direction along arc barn door 2, form the installation space who is used for installing the illuminator between arc barn door 2 and the rotation portion 1, the both sides limit of printing opacity clearance 21 all is the contained angle setting with printing opacity direction 10 in printing opacity clearance 21, the both sides limit of printing opacity clearance 21 is parallel arrangement each other.
The rotation part 1 and the arc-shaped light barrier 2 which drive the opening control light to rotate through the operation of the valve shaft lever 11 are used for angle operation, a plurality of light transmission gaps 21 with specific angles are formed in the arc-shaped light barrier 2 on the side surface of the rotation part 1, the light transmission gaps 21 are operated to photoelectric switches with corresponding angles, light emitted by light emitters of the photoelectric switches is received by light receivers of the photoelectric switches to generate opening signals, a control circuit receives signals to cut off a power supply of an actuator to stop the operation of a ball valve motor, and the ball valve is stopped at a corresponding opening angle position to realize the electric control regulation function of flow.
Compared with the prior art, the opening cam provided by the embodiment is provided with the rotating portion 1 which can rotate along with the valve shaft rod 11 on the valve shaft rod 11, the arc-shaped light barrier 2 is arranged on the side surface of the rotating portion 1, the arc-shaped light barrier 2 and the rotating portion 1 are arranged at intervals, the arc-shaped light barrier 2 is further provided with a plurality of light transmission gaps 21 corresponding to the gear number, and two side edges of each light transmission gap 21 are arranged at included angles with the light transmission direction 10 of the light transmission gap 21. The utility model discloses the aperture cam, be the contained angle setting with the direction of illumination of light (printing opacity direction 10 promptly) through the both sides limit with printing opacity clearance 21, printing opacity clearance 21 on arc barn door 2 is because under the circumstances that the reason of manufacturing accuracy can not further reduce, through the both sides limit slope setting with printing opacity clearance 21, under the circumstances that mould steel sheet thickness can not attenuate again, can further narrow down the width that printing opacity clearance 21 allowed light to pass through to, the error of two-way operation gear angle control has been reduced, the detection precision of photic ware has been improved, the detection of messenger's gear is more accurate.
As a specific embodiment of the aperture cam, please refer to fig. 2 together, the center of a circle of the arc-shaped light barrier 2 is overlapped with the rotation center of the rotation portion 1, and a connection portion 4 for connecting the arc-shaped light barrier 2 and the rotation portion 1 is further disposed between the arc-shaped light barrier 2 and the rotation portion 1. The installation between arc-shaped light barrier 2 and rotating part 1 is more convenient and firm due to the arrangement of connecting part 4, and the accommodating space for accommodating the photoelectric switch is formed by connecting part 4 and arc-shaped light barrier 2.
As a specific implementation manner of the aperture cam, please refer to fig. 1 and fig. 2, connecting portion 4 is the sector plate that sets up between rotation portion 1 and arc barn door 2, still is provided with lightening hole 41 on connecting portion 4, and connecting portion 4 is the sector plate, can circle the better installation of rotation portion 1 of arc barn door 2, makes the installation of arc barn door 2 and rotation portion 1 more firm reliable, also saves the installation volume more simultaneously. The weight of the opening cam can be reduced due to the arrangement of the lightening holes 41, so that the opening cam is lighter to use, and meanwhile, the manufacturing cost of the opening cam is saved.
In the present embodiment, the rotating portion 1, the arc-shaped light barrier 2, the connecting portion 4, and the position limiting portion mentioned below are all of an integral structure, and are integrally formed by injection molding.
As a specific embodiment of the aperture cam, please refer to fig. 1 and fig. 2, the rotating portion 1 is cylindrical, the rotating portion 1 is further provided with a mounting hole 5 for driving the valve shaft rod 11 to pass through, and the mounting hole 5 is disposed at the axis of the rotating portion 1 and is overlapped with the rotation center of the rotating portion 1. The setting up of mounting hole 5 makes valve shaft lever 11 more convenient with the installation of rotation portion 1 fixed, makes rotation portion 1 when valve shaft lever 11 rotates, can rotate along with valve shaft lever 11 together to the printing opacity clearance 21 that makes on the arc barn door 2 loops through the region between illuminator and the photic ware when valve shaft lever 11 rotates, realizes the adjustment of gear, and the adjustment that makes the ball valve gear is more convenient.
As a specific embodiment of the opening cam provided in the present invention, please refer to fig. 1 and 2, the horizontal base surface of the mounting hole 5 is a polygon, and the horizontal base surface of the valve shaft lever 11 is matched with the mounting hole 5. The horizontal base plane of mounting hole 5 makes the installation of rotation portion 1 and valve axostylus axostyle 11 more firm for the polygon, prevents that valve axostylus axostyle 11 from when rotating, takes place relative slip between rotation portion 1 and the valve axostylus axostyle 11, makes the gear detection device of ball valve more accurate when carrying out the gear adjustment, has reduced two-way operation gear angle control error, has improved the detection precision of photic ware, makes the detection of gear more accurate.
As a specific embodiment of the aperture cam provided in the present invention, please refer to fig. 1 and fig. 2, a limiting portion 3 is disposed on a side surface of the rotating portion 1, and the limiting portion 3 is located at an opposite side of the arc light barrier 2. The limiting part 3 can rotate along with the rotating part 1, a valve opening photoelectric switch 8 and a valve closing photoelectric switch 9 are further arranged on the circuit board 6, when the rotating part 1 rotates to a certain degree, the limiting part 3 is located in the area between the light emitter and the light receiver of the valve opening photoelectric switch 8 or the valve closing photoelectric switch 9, the valve opening photoelectric switch 8 or the valve closing photoelectric switch 9 detects that the rotating part 1 is located, then a signal is sent to the controller, the valve shaft lever 11 is controlled to stop rotating, the rotating maximum angle of the rotating part 1 is limited, and the rotating part 1 is enabled to rotate more safely and reliably.
The utility model provides a gear detection device, please refer to fig. 2, including the foretell aperture cam of arbitrary, still include circuit board 6, set up the gear photoelectric switch 7 that is used for detecting the arc barn door 2 position of aperture cam on circuit board 6, be provided with the passageway that is used for arc barn door 2 to pass through between gear photoelectric switch 7's illuminator and gear photoelectric switch 7's the photic ware.
The gear detection device that this embodiment provided, compare with prior art, both sides limit through with printing opacity clearance 21 is the contained angle setting with the irradiation direction of light (printing opacity direction 10 promptly), printing opacity clearance 21 on arc barn door 2 is because under the circumstances that the reason of manufacturing accuracy can not further reduce, through the both sides limit slope setting with printing opacity clearance 21, under the circumstances that mould steel sheet thickness can not attenuate again, can further narrow down the width that printing opacity clearance 21 allowed light to pass through to, bidirectional operation gear angle control error has been reduced, make the detection of gear more accurate.
As a specific implementation manner of the gear detection device provided by the present invention, please refer to fig. 2 and fig. 3, the circuit board 6 is further provided with a valve opening photoelectric switch 8 and a valve closing photoelectric switch 9, the valve opening photoelectric switch 8 and the valve closing photoelectric switch 9 are respectively located at two end points of the movement path of the arc-shaped light barrier 2, and the valve opening photoelectric switch 8 and the valve closing photoelectric switch are both provided with a channel for passing through the limiting portion 3. The gear photoelectric switch 7, the valve opening photoelectric switch 8 and the valve closing photoelectric switch 9 are all connected with the control circuit, the positions of the limiting part 3 in the opening state or the closing state can be conveniently detected by the valve opening photoelectric switch 8 and the valve closing photoelectric switch 9, and the opening and the closing of the ball valve are conveniently controlled.
As a specific implementation manner of the gear detection device provided in the present invention, please refer to fig. 2 and fig. 3, the circuit board 6 is provided with the space of stepping down switch 61 through which the valve shaft lever 11 passes, and the gear photoelectric switch 7, the valve-opening photoelectric switch 8 and the valve-closing photoelectric switch 9 are all disposed on the circumference of the space of stepping down switch 61. The arrangement of the valve opening photoelectric switch 8 and the valve closing photoelectric switch 9 can conveniently detect the position of the limiting part 3 when moving to an opening state or a closing state, and the opening and the closing of the ball valve are conveniently controlled.
The utility model also provides an electric ball valve actuator, please refer to fig. 3, for driving the valve shaft lever 11 to rotate, including any one of the above-mentioned gear detection devices, and further including a power gear assembly for driving the valve shaft lever 11 to rotate, compared with the prior art, by arranging the two side edges of the light-transmitting gap 21 at an included angle with the irradiation direction of the light (i.e. the light-transmitting direction 10), in the case where the light-transmitting gap 21 in the arc-shaped light-blocking panel 2 cannot be further reduced due to the manufacturing accuracy, by arranging the both side edges of the light-transmitting gap 21 obliquely, under the condition that mould steel sheet thickness can not attenuate again, can further narrow down to the width that printing opacity clearance 21 allowed light to pass through, reduced two-way operation gear angle control error, improved the detection precision of photic ware, make the detection of gear more accurate.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an aperture cam, its characterized in that is including being used for installing on the valve axostylus axostyle and can be along with the valve axostylus axostyle together pivoted rotation portion, setting be in the side of rotation portion and with the arc barn door that rotation portion interval set up, and a plurality of edge the printing opacity clearance that the length direction of arc barn door distributes, form the installation space that is used for installing the illuminator between arc barn door and the rotation portion, the both sides limit in printing opacity clearance all with the printing opacity direction in printing opacity clearance is the contained angle setting.
2. The aperture cam according to claim 1, wherein a center of the arc-shaped light barrier coincides with a rotation center of the rotation portion, and a connection portion for connecting the arc-shaped light barrier and the rotation portion is further provided between the arc-shaped light barrier and the rotation portion.
3. The aperture cam as claimed in claim 2, wherein the connecting portion is a sector plate disposed between the rotating portion and the arc-shaped light blocking plate, and the connecting portion is further provided with a weight-reducing hole.
4. The opening cam according to claim 1, wherein the rotating portion is cylindrical, and the rotating portion is further provided with a mounting hole for passing a valve shaft rod therethrough, the mounting hole being provided at an axial center of the rotating portion and coinciding with a rotation center of the rotating portion.
5. The opening cam of claim 4 wherein said mounting hole has a polygonal cross-sectional shape and said valve shaft has a cross-sectional shape matching said mounting hole.
6. The opening cam according to claim 1, wherein a stopper portion for limiting a rotation angle of the rotating portion is provided on a side surface of the rotating portion, and the stopper portion is located on an opposite side of the arc-shaped light blocking plate.
7. A gear position detection device, comprising the opening cam according to any one of claims 1 to 6, further comprising a circuit board, and a gear position photoelectric switch disposed on the circuit board and used for detecting the position of an arc-shaped light barrier of the opening cam, wherein a passage for the arc-shaped light barrier to pass through is disposed between a light emitter of the gear position photoelectric switch and a light receiver of the gear position photoelectric switch.
8. The shift position detecting device according to claim 7, wherein said circuit board further includes an open-valve photoelectric switch and a close-valve photoelectric switch, said open-valve photoelectric switch and said close-valve photoelectric switch are respectively located at two end points of the movement path of said arc-shaped light barrier, and a passage for passing the stopper is provided in each of said open-valve photoelectric switch and said close-valve photoelectric switch.
9. The gear detection device according to claim 8, wherein a yield idle switch for passing the valve shaft rod is disposed on the circuit board, and the gear photoelectric switch, the open-valve photoelectric switch and the close-valve photoelectric switch are disposed on a circumference of the yield idle switch.
10. The utility model provides an electronic ball valve executor for drive valve axostylus axostyle rotates which characterized in that: comprising a gear position detecting device according to any of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245322.3U CN211288658U (en) | 2019-12-13 | 2019-12-13 | Opening cam, gear detection device and electric ball valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245322.3U CN211288658U (en) | 2019-12-13 | 2019-12-13 | Opening cam, gear detection device and electric ball valve actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288658U true CN211288658U (en) | 2020-08-18 |
Family
ID=72038239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922245322.3U Active CN211288658U (en) | 2019-12-13 | 2019-12-13 | Opening cam, gear detection device and electric ball valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288658U (en) |
-
2019
- 2019-12-13 CN CN201922245322.3U patent/CN211288658U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 050000 unit 6, building 9, Runjiang headquarters international, 319 Changjiang Avenue, high tech Zone, Shijiazhuang, Hebei Province Patentee after: HEBEI GONGDA GREEN ENERGY TECHNOLOGY Corp.,Ltd. Address before: 050091 4th floor, innovation building, Jinshi Industrial Park, No. 368, Xinshi North Road, high tech Zone, Shijiazhuang City, Hebei Province Patentee before: HEBEI GONGDA GREEN ENERGY TECHNOLOGY Corp.,Ltd. |
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| CP02 | Change in the address of a patent holder |