CN107387842B - Electric and manual integrated valve - Google Patents
Electric and manual integrated valve Download PDFInfo
- Publication number
- CN107387842B CN107387842B CN201710750750.4A CN201710750750A CN107387842B CN 107387842 B CN107387842 B CN 107387842B CN 201710750750 A CN201710750750 A CN 201710750750A CN 107387842 B CN107387842 B CN 107387842B
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- valve rod
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- motor rotor
- fixing frame
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000009467 reduction Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses an electric and manual integrated valve which comprises a straight line Cheng Fa capable of realizing opening and closing operations, an electric driving device connected with a valve rod and used for driving the valve rod to move up and down, a driving handle connected with the valve rod and used for driving the valve rod to move up and down, and a motion conversion structure used for converting the rotation of the electric driving device and the driving handle into the up and down motion of the valve rod, wherein the electric driving device is a motor, a motor rotor is sleeved outside a motor stator, the driving handle is arranged on the motor rotor, and when a coil of the motor is not electrified, the driving handle can push the motor rotor to rotate. The valve has two driving modes of electric and manual operation, and has the advantages of no need of a switching structure between the electric operation and the manual operation, simple structure and convenient operation.
Description
Technical Field
The invention relates to an electric and manual integrated valve.
Background
The valve is widely applied to the industrial departments of petroleum, chemical industry, water and electricity, metallurgy, shipbuilding and the like. When the manual operation is needed, the manual operation can be realized by only pressing the manual and electric switching handles to the manual position to loosen, when the electric valve is in power-on operation, the executing mechanism automatically returns to the electric state, the existing switching handle consists of a handle seat and a handle arranged on the handle seat, the handle seat is provided with a switching cam shaft, the cam shaft is provided with a sealing ring groove, the cam shaft is arranged on a machine body of the electric device in a penetrating way, the cam shaft is sealed with the machine body through a sealing ring, the cam shaft is provided with a switching cam, and the switching cam contacts a switching piece. The existing handle seat for the switching handle has the defects of large volume, heavy weight, difficult processing, complex manual switching structure, time and material consumption, resource waste, increased cost of an electric and manual integrated valve, complex structure and poor universal performance.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an electric and manual integrated valve which has the advantages of simple structure, easy operation and high control precision.
In order to achieve the above object, the present invention provides the following technical solutions:
the electric and manual integrated valve comprises a straight running Cheng Fa capable of realizing opening and closing operations, wherein the straight running valve comprises a valve body, a valve core, a valve cover and a valve rod, the valve cover is fixed on the valve body and is arranged in the valve body, and the valve rod is fixedly connected with the valve core and can drive the valve core to move up and down to realize opening and closing of the valve; the electric driving device is connected with the valve rod and used for driving the valve rod to move up and down; the driving handle is connected with the valve rod and used for driving the valve rod to move up and down; and a motion conversion structure for converting the rotation of the electric driving device and the driving handle into the up-and-down motion of the valve rod; the electric driving device is a disc-shaped motor and comprises a motor rotor and a motor stator, a coil is arranged on the motor stator, a plurality of permanent magnets are arranged on the motor rotor, the motor rotor can rotate around the axis of the motor stator when the coil is electrified, the driving handle is arranged on the motor rotor, and the driving handle can be manually pushed to push the motor rotor to rotate when the coil is not electrified;
further, the motion conversion structure for converting the rotation of the electric driving device and the driving handle into the up-and-down motion of the valve rod is realized in such a way that the center of the motor rotor shell is provided with a hollow shaft, and the center of the hollow shaft is provided with a special-shaped hole; the motor stator is provided with a bearing mounting hole in the center, a bearing is mounted in the bearing mounting hole, and the hollow shaft is sleeved in an inner ring of the bearing; the periphery of the bearing mounting hole is provided with at least two sliding bars perpendicular to the motor stator, a sleeve is sleeved outside the sliding bars, the sliding bars can slide in the sleeve, and the sleeve is fixed on a first fixing frame fixedly connected with the valve cover; the first fixing frame comprises at least two first fixing frame supporting legs connected with the valve cover and a first fixing frame transverse plate fixed between the first fixing frame supporting legs, a second through hole is formed in the center of the first fixing frame transverse plate, a nut is arranged in the second through hole, the nut and the bearing mounting hole are concentric, and the sleeve is fixed on the first fixing frame transverse plate; the valve rod sequentially comprises a special-shaped end head, a screw rod part and a valve core connecting part from top to bottom, wherein the special-shaped end head is matched with the special-shaped hole, the screw rod part is matched with a screw nut in a second through hole in the middle, the valve core connecting part is connected with the valve core in the lower end, the special-shaped end head penetrates through the second through hole and is fixedly connected in the special-shaped hole, and the screw rod part of the valve rod is connected with the screw nut in the second through hole;
further, the motion conversion structure for converting the rotation of the electric driving device and the driving handle into the up-and-down motion of the valve rod is realized in such a way that the center of the motor stator is provided with a bearing mounting hole, a bearing is arranged in the bearing mounting hole, the motor stator is fixedly connected with a second fixing frame fixed on the valve cover, the second fixing frame comprises at least two second fixing frame supporting legs connected with the valve cover and a second fixing frame transverse plate fixed between the second fixing frame supporting legs, a second through hole is arranged at the position, corresponding to the bearing mounting hole, of the second fixing frame transverse plate, a pair of fixing baffles arranged in opposite directions are also arranged on the second fixing frame supporting legs, the motor rotor shell is characterized in that the center of the motor rotor shell is provided with a hollow shaft, the hollow shaft is sleeved in an inner ring of a bearing in the bearing mounting hole, a screw is arranged in the center of the hollow shaft, the valve rod comprises a screw rod part matched with the screw and a valve core connecting part connected with the valve core, the screw rod part penetrates through the bearing mounting hole and the second through hole and is connected with the screw, the valve rod is further provided with an anti-rotation sliding plate, the anti-rotation sliding plate is fixed on the valve rod, two ends of the anti-rotation sliding plate are provided with sliding grooves, and the sliding grooves are clamped in the fixed baffle and can synchronously move up and down along with the valve rod along the fixed baffle;
further, the motion conversion structure for converting the rotation of the electric driving device and the driving handle into the up-and-down motion of the valve rod is realized in such a way that the electric driving device provided with the driving handle is fixedly connected with the worm gear speed reducer, the electric driving device and the worm gear speed reducer are fixed on a second fixing frame, the second fixing frame comprises at least two second fixing frame supporting legs connected with the valve cover and a second fixing frame diaphragm fixed between the second fixing frame supporting legs, the second fixing frame supporting legs are also provided with a pair of fixing baffles which are arranged in opposite directions, the valve rod comprises a lead screw part and a valve core connecting part connected with the valve core, the motor rotor is fixedly connected with an input shaft of the worm gear speed reducer, a screw nut is arranged on the central axis of the output end of the worm gear speed reducer, the lead screw part penetrates through the fixing frame diaphragm and is connected with the screw nut, the valve rod is also provided with anti-rotation sliding plates, and the sliding grooves are clamped on the fixing baffles and can move synchronously along the upper fixing baffle and the lower fixing baffle.
The valve comprises a valve body, a valve core and a valve rod, wherein the valve core is arranged in the valve body, and the valve rod is fixedly connected with the valve core and can drive the valve core to rotate so as to realize the opening and closing of the valve; the electric driving device is connected with the valve rod and used for driving the valve rod to rotate; the driving handle is connected with the valve rod and used for driving the valve rod to rotate; and a motion conversion structure for converting the rotation of the electric drive device and the drive handle into the rotation of the valve rod; the electric driving device is a disc-shaped motor and comprises a motor rotor and a motor stator, a coil is arranged on the motor stator, a plurality of permanent magnets are arranged on the motor rotor, the motor rotor can rotate around the axis of the motor stator when the coil is electrified, the driving handle is arranged on the motor rotor, and the driving handle can be manually pushed to push the motor rotor to rotate when the coil is not electrified;
further, the motion conversion structure for converting the rotation of the electric driving device and the driving handle into the rotation of the valve rod is realized in such a way that the center of the motor stator is provided with a bearing mounting hole, a bearing is arranged in the bearing mounting hole, the center of the motor rotor shell is provided with a hollow shaft, the hollow shaft is sleeved in an inner ring of the bearing, the center of the hollow shaft is provided with a special-shaped hole, the valve rod comprises a special-shaped end matched with the special-shaped hole and a valve core connecting part connected with the valve core, the special-shaped end is fixedly connected in the special-shaped hole, and the motor stator is fixed on a third fixing frame fixedly connected with the valve body;
further, the conversion structure for converting the rotation of the electric driving device and the driving handle into the rotation movement of the valve rod is realized in such a way that the electric driving device provided with the driving handle is connected with a worm gear speed reducer, the motor rotor is fixedly connected with an input shaft of the worm gear speed reducer, an output shaft of the worm gear speed reducer is fixedly connected with the valve rod, and the worm gear speed reducer is fixed on a third fixing frame fixedly connected with the valve body;
further, a pressure sensing device for measuring and displaying the torque of the driving handle acting on the motor rotor is also arranged on the shell of the motor rotor;
further, at least one annunciator for measuring the rotation angle of the electronic rotor is also uniformly arranged on the outer side of the shell circumference of the motor rotor;
further, the electric and manual integrated valve further comprises a counter, a display, an encoder, a driving controller and a remote control device.
By adopting the technical scheme, the manual and electric integrated valve provided by the invention has the following beneficial effects: (1) The electric driving device adopts a structure that a motor rotor is arranged in an external motor stator, and the manual driving device is arranged on the motor rotor of the electric driving device, so that the electric driving device has the advantages of simple structure and convenient installation; (2) The manual driving device is arranged on the motor rotor of the electric driving device, a manual and electric switching structure is not needed, the operation is convenient, and the operation time is saved; (3) The structure such as lead screw, screw is adopted as the conversion structure of drive arrangement and valve rod motion, and simple structure control accuracy is high, saves installation cost.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of an electric and manual integrated valve with a straight travel valve of the present invention, in which the motor is an external rotor structural motor;
FIG. 2 is a block diagram of a valve stem in a first embodiment;
fig. 3 is a structural view of the electric driving device and the mount in the first embodiment;
fig. 4 is a cross-sectional view of the motorized drive apparatus and mount of the first embodiment;
FIG. 5 is a cross-sectional view of the first embodiment after the valve stem is mounted to the electrically driven device and the fixed mount;
FIG. 6 is another construction view of the sleeve structure of embodiment 1;
FIG. 7 is a block diagram of a drive handle having a pin configuration;
FIG. 8 is an enlarged partial view of the drive handle portion of FIG. 7;
FIG. 9 is a block diagram of a drive handle having a chute configuration;
FIG. 10 is a block diagram of a drive handle of the handle structure directly secured to the motor rotor;
fig. 11 is a schematic view showing a structure of an inner rotor type motor employed in the motor in accordance with the first embodiment of the present invention;
fig. 12 is a structural view of an electric driving device and a fixing frame when the motor adopts the structure of an inner rotor type motor on the basis of the structure of the first embodiment of the present invention;
FIG. 13 is a cross-sectional view of FIG. 12;
FIG. 14 is a schematic view of a second embodiment of an integrated electric and manual valve having a straight travel valve according to the present invention;
FIG. 15 is a schematic view of a valve stem according to a second embodiment of the present invention;
fig. 16 is a schematic view showing a structure of an inner rotor type motor employed in the motor based on the structure of the second embodiment of the present invention;
FIG. 17 is a schematic view of a third embodiment of an integrated electric and manual valve having a straight travel valve according to the present invention;
fig. 18 is a schematic view showing a structure of an inner rotor type motor employed in the motor in accordance with the third embodiment of the present invention;
FIG. 19 is a schematic view of a first embodiment of an integrated electric and manual valve having an angular travel valve according to the present invention;
FIG. 20 is a partial cross-sectional view of the third support bracket and the electric drive of FIG. 19;
FIG. 21 is a schematic view of a construction of an internal rotor type motor used for the motor based on the construction of the first embodiment of the electric and manual integrated valve with an angular travel valve according to the present invention;
FIG. 22 is a schematic view of a second embodiment of an integrated electric and manual valve having an angular travel valve according to the present invention;
fig. 23 is a schematic view showing a structure of an inner rotor type motor used for the motor based on the structure of the second embodiment of the electric and manual integrated valve with an angular travel valve according to the present invention.
Detailed Description
Example 1
As shown in fig. 1, 2, 3, 4 and 5, an electric and manual integrated valve comprises a straight travel valve 1 capable of realizing opening and closing operation, wherein the straight travel valve 1 comprises a valve body 11, a valve core, a valve cover 12 and a valve rod 13, an electric driving device 2 connected with the valve rod 13 and used for driving the valve rod 13 to move up and down, and a driving handle 3 connected with a motor rotor 21 and used for driving the valve rod 13 to move up and down; and a motion conversion structure for converting the rotation of the electric driving device 2, the driving handle 3 into the up-and-down motion of the valve stem 13; the valve cover 12 is fixed on the valve body 11 and the valve core is arranged in the valve body 11, the valve rod 13 passes through the valve cover 12 and is fixedly connected with the valve core, the valve rod 13 can drive the valve core to move up and down to realize the opening and closing of the valve, the electric driving device 2 is a disc-shaped outer rotor type motor, the motor comprises a motor rotor 21 and a motor stator 22, the motor rotor 21 is of a basin-shaped structure, the motor rotor 21 is sleeved outside the motor stator 22, a coil 224 is arranged on the motor stator 22, a plurality of permanent magnets 212 are uniformly arranged on the inner side wall of the motor rotor 21, the motor rotor 21 can rotate around the axis of the motor stator 22 when the coil 224 is electrified, the driving handle 3 is arranged on the motor rotor 21, and the driving handle 3 can be manually pushed to push the motor rotor 21 to rotate when the coil 224 is not electrified. The motor may be a DD variable frequency motor, a BLDC motor, a brushless DC motor, a direct drive motor, or a torque motor.
Specifically, as shown in fig. 1, the straight travel valve 1 comprises a valve body 11, a valve core, a valve cover 12 and a valve rod 13, wherein the valve cover 12 is arranged on the valve body 11, the valve core is arranged in the valve body 11, the valve rod 13 is fixedly connected with the valve core, and the valve core can be driven to move up and down correspondingly by the up and down movement of the valve rod 13 so as to open and close the valve.
As shown in fig. 4, the electric driving device 2 is an outer rotor type motor, the motor comprises a motor rotor 21 and a motor stator 22, a plurality of iron core parts are uniformly arranged on the outer side wall of the motor stator 22, a coil 224 is wound on the iron core parts, the coil 224 generates a magnetic field after being electrified, the motor rotor 21 is of a basin-shaped structure, and is sleeved outside the motor stator 22, and a plurality of permanent magnets 212 are uniformly fixed on the inner side wall of the motor rotor 21. The center of the motor stator 22 has a bearing mounting hole in which a bearing 223 is mounted, and as shown in fig. 4, the center of the motor rotor 21 has a hollow shaft 213 protruding toward one side of the motor stator, and the hollow shaft 213 is fitted into an inner ring of the bearing 223 on the center of the motor stator 22. The hollow shaft 213 has a special-shaped hole 214 in the center, and the special-shaped hole 214 may be a polygonal shape such as a triangle, a quadrilateral, or a spline hole for snap connection. As shown in fig. 2, the valve rod 13 sequentially comprises, from top to bottom, a profiled end 131 matched with the profiled hole, a screw part 132 with a screw thread in the middle, and a valve core connecting part 133 fixedly connected with a valve core, wherein the profiled end 131 and the screw part 132 are stepped shafts, a flange at the joint of the screw part 132 and the profiled end 131 limits the electric driving device 2 on the profiled end 131 of the valve rod 13, the front end of the profiled end 131 is provided with a screw thread structure, and the electric driving device 2 is fixed on the valve rod 13 through a nut 23. The periphery of the bearing mounting hole at the lower end of the motor stator 22 is provided with at least two sliding rods 221 perpendicular to the motor stator 22, a sleeve 43 is sleeved on the sliding rods 221, the sliding rods 221 can slide in the sleeve 43, and the sleeve 43 is fixed on a first fixing frame 4 fixedly connected with the valve cover 12. The first fixing frame 4 comprises at least two first fixing frame supporting legs 41 and a first fixing frame transverse plate 42 fixed between the two first fixing frame supporting legs 41, a second through hole is formed in the center of the first fixing frame transverse plate 42, a screw 5 in threaded fit with a screw rod portion 132 of the valve rod 13 is fixed in the second through hole, the screw 5 can be a threaded structure directly machined in the second through hole, the screw can also be an existing screw fixedly installed in the second through hole, and a bearing installation hole in the middle of the screw 5 and the motor stator 22 is concentric. In the present embodiment, the first mount cross plate 42, the sleeve 43, and the first mount leg 41 are in a line, and the first mount cross plate 42 is fixed to the first mount leg 41 through the sleeve 43; however, the first mount cross plate 42, the sleeve 43, and the first mount leg 41 may not be in a line, and the first mount cross plate 42 may be directly fixed to the first mount leg 41, and the sleeve 43 may be fixed to the first mount cross plate 42 at an angle offset from the first mount leg 41. The sleeve 43 may have a cylindrical structure as shown in fig. 1 to 5 or a groove-like structure as shown in fig. 6. The structure of the sliding rod 221 and the sliding structure of the sleeve 43 are not limited to the above embodiments, and any other structure capable of enabling the motor of the electric driving device to slide up and down synchronously with the valve rod during the opening and closing process of the straight-travel valve is included in the present invention.
The specific process of converting the rotation of the electric driving device 2 into the up-and-down movement of the valve core is as follows: the coil in the motor stator 22 is electrified to generate a magnetic field to drive the motor rotor 21 to rotate, the motor rotor 21 drives the valve rod 13 to rotate through the special-shaped hole 214 in the center, the motor stator 22 only can slide up and down but cannot rotate through the sliding rod 221 in the sleeve 43 limited in the fixing frame 4, the screw rod part 132 on the valve rod 13 interacts with the screw nut 5 in the central through hole on the first fixing frame 4 to realize linear motion, and accordingly the electric driving device 2, the valve rod 13 and the valve core move up and down to realize opening and closing of the straight-travel valve. Therefore, the valve rod and the valve core are driven to move by the forward rotation and the reverse rotation of the rotor of the driving motor to realize the opening and the closing of the valve.
The motor rotor 21 is provided with the driving handle 3, and when a coil in the motor stator 22 is not electrified, the driving handle 3 arranged on the motor rotor 21 can be manually pushed to push the motor rotor 21 to rotate, so that the direct-travel valve 1 can be manually opened and closed. As shown in fig. 7 and 8, the driving handle 3 may be mounted on an upper end surface of the motor rotor 21 through a pin shaft 31, and the driving handle 3 may be rotated along the pin shaft 31 to be perpendicular to the end surface of the motor rotor for pushing the motor rotor 21. As shown in fig. 9, the driving handle 3 may also be fixed to the upper end surface of the motor rotor 21 through a pair of parallel-arranged sliding grooves 32 provided on the upper end surface of the motor rotor 21, and the driving handle 3 may slide along the sliding grooves 32 to achieve pulling out or retracting of the driving handle 3 for pushing the motor rotor 21 to rotate. The driving handle 3 may also be at least one ring-shaped handle 33 directly fixed to or integral with the motor rotor 21 for pushing the motor rotor 21 into rotation, as shown in fig. 10, 4 being shown and arranged 90 degrees opposite. The structure of the driving handle 3 and the connection structure of the motor rotor are not limited to the structure described in the above embodiment, and any other handle structure connected to the motor rotor is encompassed in the present invention.
Further, the motor rotor 21 is provided with a pressure sensing device which is connected to the driving handle 3 for measuring the force exerted by the driving handle 3 on the motor rotor 21 and which can be displayed by a display 24 of the pressure sensing device.
Further, limiting blocks 222 are respectively fixed on the upper and lower sides of the first fixing frame transverse plate 42 on the sliding rod 221, for limiting the distance of the up and down movement of the electric driving device 2.
Further, a annunciator 25 capable of measuring the rotation angle of the motor rotor 21 is further installed on the circumferential outer side of the motor rotor 21, and is used for measuring the rotation number of the motor rotor 21 in the opening and closing processes of the straight-travel valve, the annunciator 25 records corresponding opening and closing values through a counter 27 in the rotation process of the motor rotor 21, meanwhile, data recorded by the counter are transmitted to a remote control device, and the remote control device controls the motor of the electric driving device 2 according to the obtained data so as to control the medium flow in the valve. Also, a display 26 may be included for displaying information related to the degree of valve opening and closing, the number of valve openings and closing times, the flow rate of the medium, etc. during the valve control process.
The electric and manual integrated valve can also comprise an overload protection device, an over-torque protection device, an overheat protection device, a remote control device, a remote controller, a storage module, a displacement sensor and other devices which are used for realizing the functions of overload protection, overheat protection, remote control, data storage and the like of the valve.
The invention can also be provided with an encoder and a driving controller, the encoder and the driving controller are used for measuring and controlling the motor to rotate, and the driving valve rod drives the valve core to move up and down so as to realize the opening and closing process of the linear travel valve.
Example 2
As shown in fig. 11, 12 and 13, in the second embodiment of the present invention, the embodiment is different from embodiment 1 only in that the electric driving device 2 in embodiment 1 is an outer rotor type motor, and the electric driving device 2 in this embodiment is an inner rotor type motor. The motor stator 22 is of a basin-shaped structure, a plurality of iron core parts are uniformly arranged on the inner side wall of the motor stator 22, a coil 224 is wound on each iron core part, a magnetic field is generated after the coil 224 is electrified, a bearing mounting hole is formed in the center of the motor stator 22, and a bearing 223 is mounted in the bearing mounting hole. The outside of the motor rotor 21 is provided with a plurality of permanent magnets, the center of the motor rotor 21 is provided with a hollow shaft 213 protruding towards one side of the motor stator, the upper end surface of the motor rotor 21 is provided with a driving handle 3, and the hollow shaft 213 is sleeved in the inner ring of a bearing 223 on the center of the motor stator 22. The hollow shaft 213 has a special-shaped hole 214 in the center, and the special-shaped hole 214 may be a polygonal shape such as a triangle, a quadrilateral, or a spline hole for snap connection.
The valve rod 13 sequentially comprises a special-shaped end head, a screw rod part and a valve core connecting part, wherein the special-shaped end head is matched with the special-shaped hole, the screw rod part is provided with a screw tooth, the valve core connecting part is fixedly connected with the valve core, the special-shaped end head and the screw rod part are stepped shafts, an electric driving device is limited on the special-shaped end head of the valve rod 13 through a flange at the connecting part of the screw rod part and the special-shaped end head, the front end head of the special-shaped end head is provided with a thread structure, and a motor is fixed on the valve rod 13 through a nut. The periphery of the bearing mounting hole at the lower end of the motor stator 22 is provided with at least two sliding rods 221 perpendicular to the motor stator 22, a sleeve 43 is sleeved on the sliding rods 221, the sliding rods 221 can slide in the sleeve 43, and the sleeve 43 is fixed on a first fixing frame 4 fixedly connected with the valve cover 12. The first fixing frame 4 comprises at least two first fixing frame supporting legs 41 and a first fixing frame transverse plate 42 fixed between the two first fixing frame supporting legs 41, a second through hole is formed in the center of the first fixing frame transverse plate 42, a screw 5 matched with screw teeth of a screw rod part of the valve rod 13 is fixed in the second through hole, the screw 5 can be a screw tooth structure directly processed in the second through hole, the screw can also be an existing screw fixedly installed in the second through hole, and a bearing installation hole in the middle of the screw 5 and the motor stator 22 is concentric. The motor rotor 21 rotates to drive the valve rod 13 to rotate, and the motor stator 22 limits the rotation of the valve rod 13 due to the action of the sleeve 43 and the sliding rod 221, so that the valve rod 13 drives the motor to move up and down under the action of the screw part of the valve rod 13 and the screw 5, and further the opening and closing of the straight-travel valve are realized.
Example 3
As shown in fig. 14, in example 3, the electric actuator 2 and the valve body 1 having the same structure as in example 1 are shown in a third embodiment of the present invention, but in example 3, a motion conversion structure for converting the rotation of the electric actuator 2 and the actuator handle 3 into the up-and-down motion of the valve stem 13 is different from that of example 1.
The motor stator 22 is fixedly connected with the second fixing frame 6 fixed on the valve cover 12, the second fixing frame 6 comprises at least two second fixing frame supporting legs 61 connected with the valve cover 12 and a second fixing frame transverse plate 62 fixed between the second fixing frame supporting legs 61, a through hole is formed in the position, corresponding to the position of a bearing on the motor stator, of the second fixing frame transverse plate 62, a pair of fixing baffles 64 which are arranged in opposite directions are further arranged on the second fixing frame supporting legs 62, a hollow shaft is arranged at the center of the motor rotor 21, the hollow shaft is sleeved in an inner ring of the bearing on the motor stator in a sleeved mode, a screw is arranged in the center of the hollow shaft, and the screw can be a screw tooth which is directly machined at the center of the hollow shaft or can be a screw structure which is directly fixed. As shown in fig. 15, the valve rod 13 includes a screw portion 132 engaged with a screw nut and a valve core connecting portion 133 connected with a valve core, the screw portion 132 passes through a through hole in the center of the second fixing frame transverse plate 62 to be connected with the screw nut, the valve rod 13 further has an anti-rotation sliding plate 63, the anti-rotation sliding plate 63 is fixed on the valve rod 13, both ends of the anti-rotation sliding plate 63 have sliding grooves, and the sliding grooves are clamped on the fixed baffle plate 64 and can move up and down synchronously along with the valve rod 13 along the fixed baffle plate 64. In this embodiment, the motor may be an outer rotor type motor in embodiment 1, as shown in fig. 16, or an inner rotor type motor in embodiment 2.
Example 4
As shown in fig. 17, a schematic structural diagram of embodiment 4 of the present invention is shown, and the embodiment 4 is different from embodiment 3 in that the connection manner of the electric driving device 2 and the valve rod 13 and the second fixing frame 4 is different.
In this embodiment, the electric driving device 2 provided with the driving handle 3 is fixedly connected with the worm gear speed reducer 8, the electric driving device 2 and the worm gear speed reducer 8 are fixed on the second fixing frame 6, the second fixing frame 6 comprises at least two second fixing frame supporting legs 61 connected with the valve cover 12 and a second fixing frame transverse plate 62 fixed between the second fixing frame supporting legs 61, a pair of fixing baffles 64 arranged in opposite directions are further arranged on the second fixing frame supporting legs 61, the valve rod comprises a screw rod part and a valve core connecting part connected with a valve core, a motor rotor is fixedly connected with an input shaft of the worm gear speed reducer 8, a screw nut is arranged on a central axis of an output end of the worm gear speed reducer 8, the screw rod part penetrates through the second fixing frame transverse plate 62 and is connected with the screw nut, an anti-rotation sliding plate 63 is further arranged on the valve rod, two ends of the anti-rotation sliding plate 63 are provided with sliding grooves, and the sliding grooves are clamped into the fixing baffles 64 and can move up and down synchronously along the fixing baffles 64.
Instead of connecting the electric drive device 2 and the valve stem by using a worm gear reduction device as shown in fig. 17, it may be connected by using a gear reduction device, a planetary gear reduction device, or the like.
Fig. 18 is a schematic diagram showing a structure of an inner rotor type motor according to embodiment 4 of the present invention, in which a motor rotor is connected to a valve rod through a worm gear reduction device to drive the opening and closing of a straight travel valve.
Example 5
Another embodiment of the present invention is shown in fig. 19 and 20, and includes an angular travel valve 9 capable of opening and closing, the angular travel valve 9 including a valve body 91, a valve core 92, and a valve stem 93, a driving handle connected to the valve stem 93 for driving the valve stem 93 to rotate the electric driving device 2, and a motion converting structure for converting the rotation of the electric driving device 2 and the driving handle into the rotation of the valve stem 93. The electric driving device 2 adopts an outer rotor type motor, and comprises a motor rotor 21 and a motor stator 22, wherein the motor rotor 21 is sleeved outside the motor stator 22 and can rotate around the axis of the motor stator 22, a coil is arranged on the motor stator 22, a magnetic field can be generated after the electric driving device is electrified, a plurality of permanent magnets are fixed on the inner side wall of the motor rotor 21, and the motor rotor 21 can be driven to rotate after the electric driving device is electrified. The driving handle 3 is installed on the motor rotor 21 to realize the opening and closing of the straight-stroke valve. The driving handle 3 can be manually pushed to push the motor rotor 21 to rotate when the coil of the motor stator 22 is not electrified.
As shown in fig. 19 and 20, the motion conversion structure for converting the rotation of the electric driving device 2 and the driving handle into the rotation of the valve rod is realized by the fact that the center of the motor stator 22 is provided with a bearing installation through hole, a bearing 223 is installed in the bearing installation through hole, the motor rotor 21 is provided with a hollow shaft 213, the center of the hollow shaft 213 is provided with a special-shaped hole, the upper end of the valve rod 93 is provided with a special-shaped end 931 matched with the special-shaped hole, the special-shaped end 931 is fixedly connected in the special-shaped hole, the hollow shaft on the motor rotor 21 is sleeved on the inner ring of the bearing 223, and the motor stator 22 is fixedly connected on the third fixing frame 7 with the center through hole. When the motor rotor 21 rotates in the process that the motor stator 22 or the driving handle 3 is manually pushed to drive the motor rotor 21, the motor rotor 21 transmits rotation to the valve rod 93 through the hollow shaft, the valve rod 93 is fixedly connected with the valve core 92, and the valve rod 93 rotates to drive the valve core 92 of the angular travel valve 9 to rotate, so that the angular travel valve 9 is opened and closed.
Further, the electric driving device 2 may be further provided with a function of detecting and displaying information such as a position, an opening degree, an operating state, and the like of the diagonal stroke valve, and a function of storing data, and the like, by means of a annunciator, an overload protection device, an overheat protection device, a counter, a display, a remote control device, a memory, a displacement sensor, and the like. For the angular travel valve, the annunciator and the counter are used for measuring the rotation angle of the motor rotor in the opening and closing processes of the angular travel valve so as to realize the monitoring of the opening and closing degree of the valve.
The invention can also be provided with an encoder and a driving controller, the encoder and the driving controller are used for measuring and controlling the rotation of the motor, and the driving valve rod drives the valve core to rotate to realize the opening and closing process of the angular travel valve.
As shown in fig. 21, the electric drive device of the present embodiment may employ an inner rotor type motor.
Example 6
As shown in fig. 22, a schematic structural diagram of an embodiment 6 of the present invention is different from that of the embodiment 5 in that an electric driving device 2 provided with a driving handle is connected with a third fixing frame 7 and a valve rod through a worm gear reduction device 8, the motor rotor is connected with an input shaft of the worm gear reduction device 8, an output shaft of the worm gear reduction device 8 is fixedly connected with the valve rod, and the worm gear reduction device 8 is fixed on the third fixing frame 7 fixedly connected with a valve body. The motor rotor rotates under the drive of the motor stator or the driving handle, and the motor rotor is converted into the rotation of the valve rod through the worm gear speed reducing device, and the valve rod rotates to drive the valve core to rotate, so that the angular travel valve 9 is opened and closed.
In this embodiment, instead of using a worm gear reduction device, a planetary gear reduction device, or the like may be used to connect the electric drive device 2 and the valve stem.
Further, in this embodiment, the electric driving device 2 may be further provided with a signal device, an overload protection device, an overheat protection device, a counter, a display, a remote control device, a remote controller, a memory, a displacement sensor, and other devices for detecting, displaying, and storing data of information such as a position, an opening, and an operating state of the diagonal stroke valve.
As shown in fig. 23, the electric drive device of the present embodiment may employ an inner rotor type motor.
In the above embodiment, the electric driving device is further provided with a matched box body, the box body is provided with a box door, the box body is provided with a motor control device which is linked with the box door, when the box door is in an open state, the motor control device which is linked with the box door can not be started, and only when the box door is in a closed state, the motor control device which is linked with the box door can be started, and because the box body is provided with the motor control device which is linked with the box door, when the box door is opened, the box door is manually operated by a manual device and the electric device is checked, the damage to personnel caused by the false starting of the motor can be prevented. When the manual operation is finished and the electric device is inspected to be finished, the box door is closed, and the motor can be normally started when the box door is in a closed state.
The inner rotor structure motor in the above embodiment is further provided with a matched inner rotor cover plate.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. An electric and manual integrated valve, which is characterized in that: comprising the steps of (a) a step of,
the straight travel valve capable of realizing opening and closing operations Cheng Fa comprises a valve body, a valve core, a valve cover and a valve rod, wherein the valve cover is fixed on the valve body and is arranged in the valve body, and the valve rod is fixedly connected with the valve core and can drive the valve core to move up and down to realize opening and closing of the valve;
the electric driving device is connected with the valve rod and used for driving the valve rod to move up and down;
the driving handle is connected with the valve rod and used for driving the valve rod to move up and down; and
a motion conversion structure for converting the rotation of the electric driving device and the driving handle into the up-and-down motion of the valve rod;
the electric driving device is a disc-shaped motor and comprises a motor rotor and a motor stator, a coil is arranged on the motor stator, a plurality of permanent magnets are arranged on the motor rotor, the motor rotor can rotate around the axis of the motor stator when the coil is electrified, the driving handle is arranged on the motor rotor, and the driving handle can be manually pushed to push the motor rotor to rotate when the coil is not electrified;
the motion conversion structure for converting the rotation of the electric driving device and the driving handle into the up-and-down motion of the valve rod is realized in such a way that the center of the motor rotor is provided with a hollow shaft, and the center of the hollow shaft is provided with a special-shaped hole; the motor stator is provided with a bearing mounting hole in the center, a bearing is mounted in the bearing mounting hole, and the hollow shaft is sleeved in an inner ring of the bearing; the periphery of the bearing mounting hole of the motor stator is provided with at least two sliding bars perpendicular to the motor stator, a sleeve is sleeved outside the sliding bars, the sliding bars can slide in the sleeve, and the sleeve is fixed on a first fixing frame fixedly connected with the valve cover; the first fixing frame comprises at least two first fixing frame supporting legs connected with the valve cover and a first fixing frame transverse plate fixed between the first fixing frame supporting legs, a second through hole is formed in the center of the first fixing frame transverse plate, a nut is arranged in the second through hole, the nut and the bearing mounting hole are concentric, and the sleeve is fixed on the first fixing frame transverse plate; the valve rod sequentially comprises a special-shaped end head, a screw rod part and a valve core connecting part from top to bottom, wherein the special-shaped end head is matched with the special-shaped hole, the screw rod part is matched with a screw nut in a second through hole in the middle, the valve core connecting part is connected with the valve core in the lower end, the special-shaped end head penetrates through the second through hole and is fixedly connected in the special-shaped hole, and the screw rod part of the valve rod is connected with the screw nut in the second through hole; or alternatively, the first and second heat exchangers may be,
the motor stator is fixedly connected with a second fixing frame fixed on the valve cover, the second fixing frame comprises at least two second fixing frame supporting legs connected with the valve cover and a second fixing frame transverse plate fixed between the second fixing frame supporting legs, a second through hole is formed in the position, corresponding to the bearing mounting hole, of the second fixing frame transverse plate, a pair of fixing baffles which are arranged in opposite directions are further arranged on the second fixing frame supporting legs, a hollow shaft is arranged at the center of a motor rotor, the hollow shaft is sleeved in an inner ring of a bearing in the bearing mounting hole, a screw nut is arranged in the center of the hollow shaft, the valve rod comprises a screw rod part matched with the screw nut and a valve core connecting part connected with the valve core, the screw rod part penetrates through the bearing mounting hole and the second through hole and is connected with the screw nut, the second through hole is further provided with an anti-rotation sliding plate, the anti-rotation sliding plate is fixedly connected with the two ends of the valve rod along with the anti-rotation sliding plate, and the anti-rotation sliding plate can be fixed on the two ends of the valve rod along with the anti-rotation sliding plate; or alternatively, the first and second heat exchangers may be,
the motor rotor is fixedly connected with an input shaft of the worm gear speed reducer, the screw rod part penetrates through the second fixing frame cross plate and is connected with the screw nut, the valve rod is further provided with anti-rotation sliding plates, two ends of each anti-rotation sliding plate are provided with sliding grooves, and the sliding grooves are clamped on the corresponding fixing baffle and can move along the corresponding fixing baffle in a synchronous mode.
2. An electric and manual integrated valve, which is characterized in that: comprising
The angular travel valve comprises a valve body, a valve core and a valve rod, wherein the valve core is arranged in the valve body, and the valve rod is fixedly connected with the valve core and can drive the valve core to rotate so as to realize the opening and closing of the valve;
the electric driving device is connected with the valve rod and used for driving the valve rod to rotate;
the driving handle is connected with the valve rod and used for driving the valve rod to rotate; and
a motion conversion structure for converting the rotation of the electric driving device and the driving handle into the rotation of the valve rod;
the electric driving device is a disc-shaped motor and comprises a motor rotor and a motor stator, a coil is arranged on the motor stator, a plurality of permanent magnets are arranged on the motor rotor, the motor rotor can rotate around the axis of the motor stator when the coil is electrified, the driving handle is arranged on the motor rotor, and the driving handle can be manually pushed to push the motor rotor to rotate when the coil is not electrified;
the motor stator is characterized in that the motor stator is provided with a bearing mounting hole at the center, a bearing is arranged in the bearing mounting hole, a hollow shaft is arranged at the center of the motor rotor and sleeved in an inner ring of the bearing, the hollow shaft is provided with a special-shaped hole at the center, the valve rod comprises a special-shaped end matched with the special-shaped hole and a valve core connecting part connected with the valve core, the special-shaped end is fixedly connected in the special-shaped hole, and the motor stator is fixed on a third fixing frame fixedly connected with the valve body; or alternatively, the first and second heat exchangers may be,
the conversion structure for converting the rotation of the electric driving device and the driving handle into the rotation motion of the valve rod is realized in such a way, the electric driving device provided with the driving handle is connected with a worm gear speed reducer, a motor rotor is fixedly connected with an input shaft of the worm gear speed reducer, an output shaft of the worm gear speed reducer is fixedly connected with the valve rod, and the worm gear speed reducer is fixed on a third fixing frame fixedly connected with the valve body.
3. The electric and manual integrated valve according to claim 1 or 2, characterized in that: and the motor rotor is also provided with a pressure sensing device for measuring and displaying the torque of the driving handle acting on the motor rotor.
4. The electric and manual integrated valve according to claim 1 or 2, characterized in that: and at least one annunciator for measuring the rotation angle of the motor rotor is also uniformly arranged on the circumferential outer side of the motor rotor.
5. The electric and manual integrated valve according to claim 1 or 2, characterized in that: the electric and manual integrated valve further comprises a counter, a display, an encoder, a driving controller and a remote control device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602309 | 2017-07-21 | ||
| CN2017106023091 | 2017-07-21 |
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| CN107387842B true CN107387842B (en) | 2024-02-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110454604B (en) * | 2019-08-06 | 2024-06-07 | 江苏星尧信息科技有限公司 | Detection stage actuating mechanism |
| CN111536292B (en) * | 2020-05-12 | 2021-04-20 | 武汉理工大学 | Emergency driving mechanism for hand wheel |
| CN113374914B (en) * | 2021-05-20 | 2022-10-14 | 烟台南山学院 | Manual-automatic integrated water supply valve for train |
| EP4102119B1 (en) | 2021-06-11 | 2024-09-11 | Sacharowitz, Axel | Device for operating a fitting in a supply line and arrangement |
| CN116066021B (en) * | 2022-10-21 | 2024-01-02 | 中国石油天然气集团有限公司 | Flat valve and opening and closing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH210387A (en) * | 1939-07-05 | 1940-07-15 | Sauter Ag | Motor-operated valve drive with straight up and down movement. |
| CN1041643A (en) * | 1988-10-04 | 1990-04-25 | 尼古拉·波伏洛维奇·勃勃夫 | Electronic-the manually independent transmission device of controlling |
| CN204573266U (en) * | 2015-02-06 | 2015-08-19 | 浙江叁益人防工程设备有限公司 | Dual-purpose double-connecting rod type sealed valve |
| CN105333201A (en) * | 2015-09-30 | 2016-02-17 | 石家庄安瑞科气体机械有限公司 | Manual and mechanical double-drive valve |
| CN207145729U (en) * | 2017-07-21 | 2018-03-27 | 张久军 | A kind of electronic and manual integral valve |
-
2017
- 2017-08-28 CN CN201710750750.4A patent/CN107387842B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH210387A (en) * | 1939-07-05 | 1940-07-15 | Sauter Ag | Motor-operated valve drive with straight up and down movement. |
| CN1041643A (en) * | 1988-10-04 | 1990-04-25 | 尼古拉·波伏洛维奇·勃勃夫 | Electronic-the manually independent transmission device of controlling |
| CN204573266U (en) * | 2015-02-06 | 2015-08-19 | 浙江叁益人防工程设备有限公司 | Dual-purpose double-connecting rod type sealed valve |
| CN105333201A (en) * | 2015-09-30 | 2016-02-17 | 石家庄安瑞科气体机械有限公司 | Manual and mechanical double-drive valve |
| CN207145729U (en) * | 2017-07-21 | 2018-03-27 | 张久军 | A kind of electronic and manual integral valve |
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Effective date of registration: 20240122 Address after: 224212 No.8, Yuanyang South Road, Qindong Town, Dongtai City, Yancheng City, Jiangsu Province Applicant after: DONGTAI OCEANGOING MARINE FITTINGS CO.,LTD. Country or region after: China Address before: No. 47, Dongla Shufang Tun, Kuaimachang Village, Tiexi Street Office, Pulandian, Dalian City, Liaoning Province, 116226 Applicant before: Zhang Jiujun Country or region before: China |
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