CN111536287B - Constant volume fluid control valve capable of dynamically adjusting flow rate - Google Patents

Constant volume fluid control valve capable of dynamically adjusting flow rate Download PDF

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Publication number
CN111536287B
CN111536287B CN202010415847.1A CN202010415847A CN111536287B CN 111536287 B CN111536287 B CN 111536287B CN 202010415847 A CN202010415847 A CN 202010415847A CN 111536287 B CN111536287 B CN 111536287B
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China
Prior art keywords
shaft
cavity
fluid
valve
gear
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CN202010415847.1A
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Chinese (zh)
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CN111536287A (en
Inventor
邱挺
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CHANGZHOU LANLING AUTOMATION EQUIPMENT Co.,Ltd.
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Changzhou Lanling Automation Equipment Co ltd
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Publication of CN111536287A publication Critical patent/CN111536287A/en
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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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
    • 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
    • F16K21/00—Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04—Self-closing valves, i.e. closing automatically after operation
    • F16K21/16—Self-closing valves, i.e. closing automatically after operation closing after a predetermined quantity of fluid has been delivered
    • F16K21/165—Self-closing valves, i.e. closing automatically after operation closing after a predetermined quantity of fluid has been delivered with means sensing the weight of said fluid quantity
    • 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
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • 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
    • 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
    • F16K31/52—Mechanical actuating means with crank, eccentric, or cam
    • F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
    • F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
    • F16K31/52441—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve with a pivoted disc or flap
    • 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
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The invention discloses a constant volume fluid control valve for dynamically adjusting flow rate, which comprises a valve body, wherein a valve body pipeline for passing fluid is arranged in the valve body, a valve body valve plate for closing the valve body pipeline is rotationally arranged in the valve body pipeline, a fluid cavity is arranged in the end wall of the top of the valve body pipeline, a synchronous cavity is arranged in the end wall of the left side of the fluid cavity, a sliding cavity is arranged in the end wall of the left side of the synchronous cavity, and a switching slide block is arranged in the sliding cavity in a sliding manner; the device has the advantages of simple structure, convenient operation and convenient maintenance, can realize real-time monitoring and dynamic adjustment of the flow velocity of the fluid in the pipeline, ensures the stability of the flow velocity of the fluid, reduces the damage of the flow velocity of the fluid to the pipeline, can accurately measure the volume of the fluid, automatically seals the pipeline and replaces the storage tank body, avoids manual repeated operation, reduces the occupation time of a single tank body on a fluid valve port, improves the working efficiency and reduces the time cost, and therefore, the device has higher use and popularization values.

Description

Constant volume fluid control valve capable of dynamically adjusting flow rate
Technical Field
The invention relates to the field of fluid control valves, in particular to a constant volume fluid control valve capable of dynamically adjusting flow rate.
Background
The fluid control valve is a fluid element with a control pipe wall, is widely applied in society, and particularly has the advantages that when fluid is exchanged, the existing fluid control valve is too single in structural function, only the opening and closing of a pipeline can be realized, the state of the fluid in the pipeline cannot be monitored, when the flow rate of the fluid in the pipeline is too high, the pipeline, particularly a hose pipeline, is greatly abraded, ageing and damage of the pipeline are easily caused, manual operation is needed when a plurality of fluid storage tanks are exchanged, the single fluid storage tank occupies a long time for a valve body, and the efficiency is low, so that the constant-volume fluid control valve for dynamically adjusting the flow rate is designed.
Disclosure of Invention
The invention aims to provide a constant volume fluid control valve for dynamically regulating flow rate, which can overcome the defects in the prior art.
The constant volume fluid control valve for dynamically adjusting the flow rate comprises a valve body, wherein a valve body pipeline for passing fluid is arranged in the valve body, a valve body valve plate for closing the valve body pipeline is rotationally arranged in the valve body pipeline, a fluid cavity is arranged in the end wall of the top of the valve body pipeline, a synchronous cavity is arranged in the end wall of the left side of the fluid cavity, a sliding cavity is arranged in the end wall of the left side of the synchronous cavity, a switching slide block is arranged in the sliding cavity in a sliding manner, a pipeline valve head matched with the valve body is arranged in the switching slide block, a valve head valve plate for closing the pipeline valve head is arranged in the pipeline valve head, a fluid shaft is arranged in the fluid cavity, a fluid wheel for measuring the flow rate and the flow is arranged at the bottom end of the fluid shaft and positioned in the valve body pipeline, a fluid bevel gear is arranged at the top end of the fluid shaft, a speed measuring cavity is arranged in the end wall of the right side of the fluid cavity, the utility model discloses a control valve, including the control valve, the chamber of testing the speed is equipped with the power chamber in the chamber right side end wall, the power intracavity is equipped with the dynamic speed adjusting device who is used for the real-time regulation fluid velocity of flow of developments, and then stabilizes fluidic velocity of flow, be equipped with the measurement chamber in the chamber left side end wall, be equipped with volume measuring device in the measurement chamber, and then volume measuring device monitors the fluid volume that flows through the valve body pipeline, synchronous intracavity is equipped with the pipeline closing device, and then the pipeline closing device is in seal the valve body behind the volume measuring device measurement fluid, be equipped with the switching chamber in the intracavity top end wall of slip, the switching intracavity is equipped with the valve head auto-change over device who is used for converting different tube coupling, and then the continuous work of this control valve is guaranteed to valve head auto-change device, the power intracavity is equipped with the power device who is used for providing power.
Preferably, the dynamic speed adjusting device comprises a valve body valve shaft arranged in the power cavity, the valve body valve shaft is fixedly connected with the valve body valve plate, a valve plate bevel gear is arranged at the top end of the valve body valve shaft, a speed measuring shaft is arranged in the fluid cavity, a speed measuring bevel gear meshed with the fluid bevel gear is arranged at the left end of the speed measuring shaft, an inner gear ring is arranged at the right end of the speed measuring shaft, a speed adjusting shaft is arranged in the speed measuring cavity, a sun gear is arranged at the left end of the speed adjusting shaft, a planetary gear is arranged between the sun gear and the inner gear ring in a transmission manner, a separating rod is hinged to the outer wall of the speed adjusting shaft, a balancing weight for balancing weight is arranged at the right end of the separating rod, a speed adjusting guide rod is arranged on the outer wall of the speed adjusting shaft in a sliding manner, a forward bevel gear which is positioned in the power cavity and meshed with the valve plate bevel gear is rotatably arranged on the outer wall of the speed adjusting guide rod, the right end of the speed regulation guide rod is rotatably provided with a reverse bevel gear, and then the forward bevel gear and the reverse bevel gear drive the valve body valve plate to rotate, so that the opening size of the valve body pipeline is changed, and the flow rate of fluid is changed.
Preferably, the volume measuring device comprises a measuring shaft arranged in the measuring cavity, a measuring bevel gear meshed with the fluid bevel gear is arranged at the right end of the measuring shaft, the left end of the measuring shaft is provided with a dial wheel, a camshaft is arranged in the measuring cavity, the right end of the camshaft is provided with an inner grooved wheel matched with the dial wheel, a cam is arranged at the left end of the camshaft, a guide rod matched with the cam is arranged in the measuring cavity in a sliding manner, a driving shaft is arranged in the synchronous cavity, a control bevel gear for driving the pipeline closing device to rotate is arranged at the left end of the driving shaft, a connecting sleeve shaft connected with the power device is arranged on the outer wall of the driving shaft in a sliding manner, a sliding rod is arranged in the measuring cavity in a sliding manner, the connecting sleeve shaft is rotatably arranged in the sliding rod, the sliding rod is matched with the guide rod, and the pipeline closing device is controlled to rotate after the set fluid volume is reached.
Preferably, the pipeline closing device comprises a driven shaft arranged in the synchronous cavity, a closed bevel gear engaged with the control bevel gear is arranged on the outer wall of the driven shaft, a steering cavity is arranged in the end wall of the bottom of the synchronous cavity, a driving bevel gear positioned in the steering cavity is arranged at the bottom of the driven shaft, power transmission is performed between the driven shaft and the valve body valve shaft through a first synchronous belt set, a closed cavity is arranged in the pipeline valve head, a valve head valve shaft is arranged in the closed cavity in a rotating manner, the valve head valve shaft is connected with the valve head valve plate, a driven belt wheel is arranged at one end, close to the switching slider, of the valve head valve shaft, a driving belt is arranged in the closed cavity in a rotating manner, a transmission belt is arranged between the driving belt wheel and the driven belt wheel in a driving manner, a driven gear is fixedly arranged at one end, close to the switching slider, two groups of closed grooves are uniformly arranged in the switching slider, the pipeline closing device is characterized in that a closing shaft is arranged in the closing groove, a driving gear meshed with the driven gear is arranged at one end, close to the switching slider, of the closing shaft, a closing gear is arranged at one end, far away from the switching slider, of the closing shaft, an extending shaft is arranged in the sliding cavity, a face gear meshed with the closing gear is arranged at the bottom end of the extending shaft, a driven bevel gear meshed with the driving bevel gear is arranged at the top end of the extending shaft, and then the pipeline closing device closes the valve body valve plate and the valve head valve plate simultaneously.
Preferably, the valve head switching device comprises a rotary gear fixedly arranged on the outer wall of the switching slider, a transmission shaft is arranged in the sliding cavity, a switching gear disengaged from the rotary gear is arranged at the bottom end of the transmission shaft, a transmission gear is arranged at the top end of the transmission shaft, a rotating block is rotatably arranged in the switching slider, a screw rod is arranged in the switching cavity and engaged with the rotating block, a forward sliding gear is arranged on the outer wall of the screw rod, a reverse sliding gear is arranged at the top end of the screw rod, a switching shaft is arranged in the switching cavity, a transmission gear engaged with the transmission gear is arranged at the bottom end of the switching shaft, a forward sector gear engaged with the forward sliding gear is arranged on the outer wall of the switching shaft, a reverse sector gear disengaged from the reverse sliding gear is arranged on the outer wall of the transmission shaft, and the screw rod is driven to rotate, and then drive the turning block with switch the slider and slide, be equipped with in the synchronous intracavity with switch the axle articulated transmission axle of axle, transmission axle with carry out power transmission through second synchronous belt group between the driving shaft.
Preferably, the power device comprises a motor arranged in the power cavity, a power shaft in power connection with the motor is rotationally arranged in the power cavity, the power shaft is disengaged from the connecting sleeve shaft, a worm is arranged on the outer wall of the power shaft, a turbine shaft is arranged in the power cavity, a turbine in fit with the worm is arranged at the top end of the turbine shaft, a power bevel gear meshed with the forward bevel gear is arranged at the bottom end of the turbine shaft, and the dynamic speed regulating device is driven to rotate.
Preferably, a bubble removing net is arranged in the valve body pipeline and used for avoiding the influence of cavitation on the measurement accuracy caused by the change of the flow velocity of the fluid after the angle of the valve body valve plate is changed.
The invention has the beneficial effects that: the device has the advantages of simple structure, convenient operation and convenient maintenance, can realize real-time monitoring and dynamic adjustment of the flow velocity of the fluid in the pipeline, ensures the stability of the flow velocity of the fluid, reduces the damage of the flow velocity of the fluid to the pipeline, can accurately measure the volume of the fluid, automatically seals the pipeline and replaces the storage tank body, avoids manual repeated operation, reduces the occupation time of a single tank body on a fluid valve port, improves the working efficiency and reduces the time cost, and therefore, the device has higher use and popularization values.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of the overall structure of a constant volume fluid control valve for dynamically adjusting flow rate according to the present invention;
FIG. 2 is an enlarged schematic view of A in FIG. 1;
FIG. 3 is an enlarged schematic view of B of FIG. 1;
figure 4 is an enlarged schematic view of the inner sheave of figure 1;
FIG. 5 is an enlarged schematic view of the construction of the fluid wheel of FIG. 1;
fig. 6 is an enlarged schematic view of the structure of the cam of fig. 1.
Detailed Description
The present invention will be described in detail with reference to the drawings, wherein for the convenience of description, the following orientations are defined as follows: the front, rear, left, and right described below correspond to the up-down direction of the projection relationship of fig. 1 itself.
As shown in fig. 1 to 6, the constant volume fluid control valve for dynamically adjusting flow rate of the present invention includes a valve body 23, a valve body pipeline 29 for passing fluid is disposed in the valve body 23, a valve body valve plate 27 for closing the valve body pipeline 29 is rotatably disposed in the valve body pipeline 29, a fluid cavity 67 is disposed in a top end wall of the valve body pipeline 29, a synchronization cavity 54 is disposed in a left end wall of the fluid cavity 67, a sliding cavity 42 is disposed in a left end wall of the synchronization cavity 54, a switching slider 22 is slidably disposed in the sliding cavity 42, a pipeline valve head 26 matched with the valve body 23 is disposed in the switching slider 22, a valve plate valve head 11 for closing the pipeline valve head 26 is disposed in the pipeline valve head 26, a fluid shaft 66 is disposed in the fluid cavity 67, a fluid wheel 30 for measuring flow rate and flow rate is disposed at a bottom end of the fluid shaft 66, the top end of the fluid shaft 66 is provided with a fluid bevel gear 65, the right end wall of the fluid cavity 67 is provided with a speed measuring cavity 88, the right end wall of the speed measuring cavity 88 is provided with a power cavity 87, the power cavity 87 is provided with a dynamic speed regulating device 101 for dynamically regulating the flow rate of fluid in real time so as to stabilize the flow rate of the fluid, the left end wall of the fluid cavity 67 is provided with a measuring cavity 45, the measuring cavity 45 is provided with a volume measuring device 102, the volume measuring device 102 monitors the volume of the fluid flowing through the valve body pipeline 29, the synchronizing cavity 54 is provided with a pipeline closing device 103, the pipeline closing device 103 closes the valve body after the volume measuring device 102 measures the fluid, the top end wall in the sliding cavity 42 is provided with a switching cavity 90, the switching cavity 90 is provided with a valve head switching device 104 for switching different pipeline connections, and the valve head switching device 104 ensures the continuous operation of the control valve, a power device 105 for providing power is arranged in the power cavity 87.
Beneficially, the dynamic speed adjusting device 101 includes a valve body valve shaft 78 disposed in the power cavity 87, the valve body valve shaft 78 is fixedly connected to the valve body valve plate 27, a valve plate bevel gear 79 is disposed at the top end of the valve body valve shaft 78, a speed measuring shaft 69 is disposed in the fluid cavity 67, a speed measuring bevel gear 68 engaged with the fluid bevel gear 65 is disposed at the left end of the speed measuring shaft 69, an inner gear ring 70 is disposed at the right end of the speed measuring shaft 69, a speed adjusting shaft 73 is disposed in the speed measuring cavity 88, a sun gear 72 is disposed at the left end of the speed adjusting shaft 73, a planetary gear 71 is disposed between the sun gear 72 and the inner gear ring 70 in a transmission manner, a separating rod 74 is hinged to the outer wall of the speed adjusting shaft 73, a counter weight 76 for counter weight is disposed at the right end of the separating rod 74, a speed adjusting guide rod 77 is slidably disposed on the outer wall of the speed adjusting shaft 73, and the speed adjusting guide rod 77 is hinged to the speed adjusting shaft 73 through a connecting rod 75, the outer wall of the speed regulation guide rod 77 is rotatably provided with a forward bevel gear 80 which is positioned in the power cavity 87 and is meshed with the valve plate bevel gear 79, the right end of the speed regulation guide rod 77 is rotatably provided with a reverse bevel gear 81, and the forward bevel gear 80 and the reverse bevel gear 81 drive the valve body valve plate 27 to rotate, so that the opening size of the valve body pipeline 29 is changed, and the flow rate of fluid is changed.
Advantageously, the volume measuring device 102 comprises a measuring shaft 63 arranged in the measuring cavity 45, a measuring bevel gear 64 engaged with the fluid bevel gear 65 is arranged at the right end of the measuring shaft 63, a dial wheel 62 is arranged at the left end of the measuring shaft 63, a cam shaft 44 is arranged in the measuring cavity 45, an inner gear 61 engaged with the dial wheel 62 is arranged at the right end of the cam shaft 44, a cam 43 is arranged at the left end of the cam shaft 44, a guide rod 47 engaged with the cam 43 is slidably arranged in the measuring cavity 45, a driving shaft 51 is arranged in the synchronizing cavity 54, a control bevel gear 52 for driving the pipeline closing device 103 to rotate is arranged at the left end of the driving shaft 51, a connecting sleeve shaft 59 connected with the power device 105 is slidably arranged on the outer wall of the driving shaft 51, a sliding rod 48 is slidably arranged in the measuring cavity 45, and the connecting sleeve shaft 59 is rotatably arranged in the sliding rod 48, the slide rod 48 cooperates with the guide rod 47 to control the rotation of the line closing means 103 after a set fluid volume is reached.
Advantageously, the pipeline closing device 103 comprises a driven shaft 49 arranged in the synchronizing cavity 54, a closing bevel gear 50 engaged with the control bevel gear 52 is arranged on the outer wall of the driven shaft 49, a turning cavity 58 is arranged in the end wall of the bottom of the synchronizing cavity 54, a driving bevel gear 46 positioned in the turning cavity 58 is arranged at the bottom of the driven shaft 49, power transmission is performed between the driven shaft 49 and the valve body valve shaft 78 through a first synchronizing belt set 55, a closed cavity 16 is arranged in the pipeline valve head 26, a valve head valve shaft 13 is rotatably arranged in the closed cavity 16, the valve head valve shaft 13 is connected with the valve head valve plate 11, a driven pulley 15 is arranged at one end of the valve head valve shaft 13 close to the switching slider 22, a driving pulley 12 is rotatably arranged in the closed cavity 16, and a transmission belt 14 is arranged between the driving pulley 12 and the driven pulley 15, the driving pulley 12 is close to one end of the switching slider 22 and is fixedly provided with a driven gear 17, two groups of closed grooves 89 are uniformly formed in the switching slider 22, a closed shaft 19 is arranged in each closed groove 89, one end, close to the switching slider 22, of each closed shaft 19 is provided with a driving gear 18 meshed with the driven gear 17, one end, far away from the switching slider 22, of each closed shaft 19 is provided with a closed gear 20, an extending shaft 41 is arranged in a sliding cavity 42, the bottom end of the extending shaft 41 is provided with a face gear 21 meshed with the closed gear 20, the top end of the extending shaft 41 is provided with a driven bevel gear 40 meshed with a driving bevel gear 46, and the valve body valve plate 27 and the valve head valve plate 11 are closed simultaneously by the pipeline closing device 103.
Advantageously, the valve head switching device 104 includes a rotary gear 37 fixedly disposed on the outer wall of the switching slider 22, a transmission shaft 35 is disposed in the sliding cavity 42, a switching gear 38 disengaged from the rotary gear 37 is disposed at the bottom end of the transmission shaft 35, a transmission gear 32 is disposed at the top end of the transmission shaft 35, a rotation block 24 is rotatably disposed in the switching slider 22, a screw 25 is disposed in the switching cavity 90, the screw 25 is engaged with the rotation block 24, a forward sliding gear 39 is disposed on the outer wall of the screw 25, a reverse sliding gear 56 is disposed at the top end of the screw 25, a switching shaft 34 is disposed in the switching cavity 90, a transmission gear 36 engaged with the transmission gear 32 is disposed at the bottom end of the switching shaft 34, a forward sector gear 33 engaged with the forward sliding gear 39 is disposed on the outer wall of the switching shaft 34, a reverse sector gear 31 disengaged from the reverse sliding gear 56 is disposed on the outer wall of the transmission shaft 35, and further drive the screw 25 to rotate, and further drive the rotating block 24 and the switching slider 22 to slide, a transmission shaft 57 hinged to the switching shaft 34 is arranged in the synchronization cavity 54, and the transmission shaft 57 and the driving shaft 51 are power-transmitted through a second synchronization belt group 53.
Advantageously, the power device 105 comprises a motor 85 arranged in the power cavity 87, a power shaft 60 in power connection with the motor 85 is rotatably arranged in the power cavity 87, the power shaft 60 is disengaged from the connecting sleeve shaft 59, a worm 86 is arranged on the outer wall of the power shaft 60, a turbine shaft 83 is arranged in the power cavity 87, a turbine 84 matched with the worm 86 is arranged at the top end of the turbine shaft 83, and a power bevel gear 82 meshed with the forward bevel gear 80 is arranged at the bottom end of the turbine shaft 83, so as to drive the dynamic speed adjusting device 101 to rotate.
Advantageously, a bubble removing net 28 is arranged in the valve body pipeline 29, so as to avoid the influence of cavitation caused by the change of the fluid flow speed after the angle of the valve body valve plate 27 is changed on the measurement accuracy.
In the initial state, the valve body valve plate 27 closes the valve body pipeline 29, the valve head valve plate 11 closes the pipeline valve head 26, the connecting sleeve shaft 59 is matched with the driving shaft 51 and the power shaft 60, and the pipeline valve head 26 is tightly matched with the valve body 23.
When the device is used, a worker matches a hose of a fluid tank with the pipeline valve head 26, the motor 85 starts to work and drives the power shaft 60 and the worm 86 to rotate, then the worm 86 drives the turbine 84, the turbine shaft 83 and the power bevel gear 82 to rotate, the power shaft 60 drives the connecting sleeve shaft 59, the driving shaft 51, the control bevel gear 52, the closed bevel gear 50, the driven shaft 49, the driving bevel gear 46, the driven bevel gear 40, the extension shaft 41, the face gear 21, the closed gear 20, the closed shaft 19, the driving gear 18, the driven gear 17, the driving pulley 12, the transmission belt 14, the driven pulley 15, the valve head valve shaft 13 and the valve head 11 to rotate, then the valve head 11 is opened to enable the pipeline valve head 26 to be a passage, meanwhile, the driven shaft 49 drives the first synchronous belt group 55, the valve body valve shaft 78 and the valve body 27 to rotate, and then the valve body 27 is opened to enable the valve body pipeline 29 to be a passage, the fluid starts to circulate, the fluid drives the fluid wheel 30 to rotate, the fluid wheel 30 drives the fluid shaft 66, the fluid bevel gear 65, the measurement bevel gear 64, the measurement shaft 63, the dial wheel 62, the inner groove wheel 61, the cam shaft 44 and the cam 43 to rotate, the guide rod 47 slides downwards, the slide rod 48 slides towards the left side under the action of elastic force, the connecting sleeve shaft 59 is driven to slide towards the left side, the connecting sleeve shaft 59 is further driven to be disengaged from the power shaft 60, meanwhile, the fluid bevel gear 65 drives the speed measurement bevel gear 68, the speed measurement shaft 69, the inner gear ring 70, the planetary gear 71, the sun gear 72, the speed regulation shaft 73, the separating rod 74 and the balancing weight 76 to rotate, the balancing weight 76 drives the connecting rod 75 and the speed regulation guide rod 77 to slide towards the left side under the action of centrifugal force, when the flow rate of the fluid is too high, the balancing weight 76 drives the separating rod 74, the speed regulation guide rod 77, the forward bevel gear 80 and the reverse bevel gear 81 to slide towards the left side, further, the reverse bevel gear 81 is meshed with the valve plate bevel gear 79, and then the power bevel gear 82 drives the reverse bevel gear 81, the valve plate bevel gear 79, the valve body valve shaft 78 and the valve body valve plate 27 to rotate, so that the opening and closing angle of the valve body valve plate 27 is increased, the fluid flow rate is reduced, when the fluid flow rate is too small, the balancing weight 76 drives the separating rod 74, the speed regulating guide rod 77, the forward bevel gear 80 and the reverse bevel gear 81 to slide to the right side, and further the forward bevel gear 80 is meshed with the valve plate bevel gear 79, and then the power bevel gear 82 drives the forward bevel gear 80, the bevel gear valve plate 79, the valve body valve shaft 78 and the valve body valve plate 27 to rotate reversely, so that the opening and closing angle of the valve body valve plate 27 is reduced, and the fluid flow rate is increased;
when the volume of fluid flowing through reaches a preset amount, the camshaft 44 drives the guide rod 47 to rise to the highest position, then the guide rod 47 drives the slide rod 48 and the connecting sleeve shaft 59 to slide towards the right side, the connecting sleeve shaft 59 is matched with the power shaft 60, the power shaft 60 drives the connecting sleeve shaft 59, the driving shaft 51, the control bevel gear 52, the closed bevel gear 50, the driven shaft 49, the driving bevel gear 46, the driven bevel gear 40, the extension shaft 41, the face gear 21, the closed gear 20, the closed shaft 19, the driving gear 18, the driven gear 17, the driving pulley 12, the transmission belt 14, the driven pulley 15, the valve head valve shaft 13 and the valve head 11 to rotate, then the valve head 11 is closed to open the pipeline valve head 26, meanwhile, the driven shaft 49 drives the first synchronous belt group 55, the valve body valve shaft 78 and the valve body 27 to rotate, then the valve body 27 is closed to open the valve body pipeline 29, and at the same time, the driving shaft 51 drives the second synchronous belt set 53, the transmission shaft 57, the switching shaft 34, the transmission gear 36, the transmission gear 32, the transmission shaft 35 and the switching gear 38 to rotate, meanwhile, the switching shaft 34 drives the forward sector gear 33, the forward sliding gear 39 and the screw 25 to rotate, and the screw 25 drives the rotating block 24, the switching slide block 22 and the pipeline valve head 26 to slide downwards, the rotating gear 37 is meshed with the switching gear 38, the switching gear 38 drives the rotating gear 37, the switching slide block 22 and the pipeline valve head 26 to rotate 180 degrees, then, the reverse sector gear 31 is meshed with the reverse sliding gear 56, the reverse sector gear 31 drives the reverse sliding gear 56 and the screw 25 to rotate reversely, and further drives the rotating block 24, the switching slide block 22 and the pipeline valve head 26 to slide upwards, the line valve head 26 then re-engages with the switch slide 22 and the apparatus enters the next cycle.
The invention has the beneficial effects that: the device has the advantages of simple structure, convenient operation and convenient maintenance, can realize real-time monitoring and dynamic adjustment of the flow velocity of the fluid in the pipeline, ensures the stability of the flow velocity of the fluid, reduces the damage of the flow velocity of the fluid to the pipeline, can accurately measure the volume of the fluid, automatically seals the pipeline and replaces the storage tank body, avoids manual repeated operation, reduces the occupation time of a single tank body on a fluid valve port, improves the working efficiency and reduces the time cost, and therefore, the device has higher use and popularization values.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (7)

1. The utility model provides a constant volume fluid control valve of dynamic adjustment velocity of flow, includes the valve body, its characterized in that: a valve body pipeline for passing fluid is arranged in the valve body, a valve body valve plate for sealing the valve body pipeline is rotationally arranged in the valve body pipeline, a fluid cavity is arranged in the end wall at the top of the valve body pipeline, a synchronous cavity is arranged in the end wall at the left side of the fluid cavity, a sliding cavity is arranged in the end wall at the left side of the synchronous cavity, a switching slider is slidably arranged in the sliding cavity, a pipeline valve head matched with the valve body is arranged in the switching slider, a valve head valve plate for sealing the pipeline valve head is arranged in the pipeline valve head, a fluid shaft is arranged in the fluid cavity, a fluid wheel for measuring flow rate and flow is positioned at the bottom end of the fluid shaft and positioned on the valve body pipeline, a fluid bevel gear is arranged at the top end of the fluid shaft, a speed measuring cavity is arranged in the end wall at the right side of the fluid cavity, a power cavity is arranged in the end wall at the right side of the speed measuring cavity, and a dynamic speed regulating device for dynamically regulating the flow rate in real time is arranged in the power cavity, and then stabilize the fluidic speed of flowing, be equipped with the measurement chamber in the fluid chamber left side end wall, be equipped with volume measurement device in the measurement chamber, and then volume measurement device monitors the fluid volume that flows through the valve body pipeline, synchronous intracavity is equipped with the pipeline closing device, and then the pipeline closing device is in the closed valve body after volume measurement device measures the fluid, be equipped with the switching chamber in the wall of sliding chamber top end, be equipped with the valve head auto-change over device that is used for converting different pipe connection in the switching chamber, and then valve head auto-change over device guarantees the continuation work of this control valve, the power intracavity is equipped with the power device that is used for providing power.
2. A constant volume fluid control valve for dynamically adjusting a flow rate according to claim 1, wherein: the dynamic speed regulating device comprises a valve body valve shaft arranged in the power cavity, the valve body valve shaft is fixedly connected with the valve body valve plate, a valve plate bevel gear is arranged at the top end of the valve body valve shaft, a speed measuring shaft is arranged in the fluid cavity, a speed measuring bevel gear meshed with the fluid bevel gear is arranged at the left end of the speed measuring shaft, an inner gear ring is arranged at the right end of the speed measuring shaft, a speed regulating shaft is arranged in the speed measuring cavity, a sun gear is arranged at the left end of the speed regulating shaft, a planetary gear is arranged between the sun gear and the inner gear ring in a transmission manner, a separating rod is hinged to the outer wall of the speed regulating shaft, a balancing weight for balancing weight is arranged at the right end of the separating rod, a speed regulating guide rod is arranged on the outer wall of the speed regulating shaft in a sliding manner, the speed regulating guide rod is hinged to the speed regulating shaft through a connecting rod, a forward bevel gear which is positioned in the power cavity and meshed with the valve plate bevel gear is rotatably arranged on the outer wall of the speed regulating guide rod, the right end of the speed regulation guide rod is rotatably provided with a reverse bevel gear, and then the forward bevel gear and the reverse bevel gear drive the valve body valve plate to rotate, so that the opening size of the valve body pipeline is changed, and the flow rate of fluid is changed.
3. A constant volume fluid control valve for dynamically adjusting a flow rate according to claim 2, wherein: the volume measuring device comprises a measuring shaft arranged in the measuring cavity, a measuring bevel gear meshed with the fluid bevel gear is arranged at the right end of the measuring shaft, the left end of the measuring shaft is provided with a dial wheel, a camshaft is arranged in the measuring cavity, the right end of the camshaft is provided with an inner grooved wheel matched with the dial wheel, a cam is arranged at the left end of the camshaft, a guide rod matched with the cam is arranged in the measuring cavity in a sliding manner, a driving shaft is arranged in the synchronous cavity, a control bevel gear for driving the pipeline closing device to rotate is arranged at the left end of the driving shaft, a connecting sleeve shaft connected with the power device is arranged on the outer wall of the driving shaft in a sliding manner, a sliding rod is arranged in the measuring cavity in a sliding manner, the connecting sleeve shaft is rotatably arranged in the sliding rod, the sliding rod is matched with the guide rod, and the pipeline closing device is controlled to rotate after the set fluid volume is reached.
4. A constant volume fluid control valve for dynamically adjusting a flow rate according to claim 3, wherein: the pipeline closing device comprises a driven shaft arranged in the synchronous cavity, a closed bevel gear meshed with the control bevel gear is arranged on the outer wall of the driven shaft, a steering cavity is arranged in the end wall of the bottom of the synchronous cavity, a driving bevel gear positioned in the steering cavity is arranged at the bottom of the driven shaft, power transmission is carried out between the driven shaft and the valve body valve shaft through a first synchronous belt set, a closed cavity is arranged in the pipeline valve head, a valve head valve shaft is arranged in the closed cavity in a rotating mode, the valve head valve shaft is connected with the valve head valve plate, a driven belt wheel is arranged at one end, close to the switching slider, of the valve head valve shaft, a driving belt is arranged in the closed cavity in a rotating mode, a transmission belt is arranged between the driving belt wheel and the driven belt wheel in a driving mode, a driven gear is fixedly arranged at one end, close to the switching slider, and two groups of closed grooves are uniformly arranged in the switching slider, the pipeline closing device is characterized in that a closing shaft is arranged in the closing groove, a driving gear meshed with the driven gear is arranged at one end, close to the switching slider, of the closing shaft, a closing gear is arranged at one end, far away from the switching slider, of the closing shaft, an extending shaft is arranged in the sliding cavity, a face gear meshed with the closing gear is arranged at the bottom end of the extending shaft, a driven bevel gear meshed with the driving bevel gear is arranged at the top end of the extending shaft, and then the pipeline closing device closes the valve body valve plate and the valve head valve plate simultaneously.
5. A constant volume fluid control valve for dynamically adjusting a flow rate according to claim 4, wherein: the valve head switching device comprises a rotary gear fixedly arranged on the outer wall of the switching slide block, a transmission shaft is arranged in the sliding cavity, a switching gear which is disengaged from the rotary gear is arranged at the bottom end of the transmission shaft, a transmission gear is arranged at the top end of the transmission shaft, a rotating block is rotationally arranged in the switching slide block, a screw rod is arranged in the switching cavity and is engaged with the rotating block, a forward sliding gear is arranged on the outer wall of the screw rod, a reverse sliding gear is arranged at the top end of the screw rod, a switching shaft is arranged in the switching cavity, a transmission gear engaged with the transmission gear is arranged at the bottom end of the switching shaft, a forward sector gear engaged with the forward sliding gear is arranged on the outer wall of the switching shaft, a reverse sector gear disengaged from the reverse sliding gear is arranged on the outer wall of the transmission shaft, and the screw rod is driven to rotate, and then drive the turning block with switch the slider and slide, be equipped with in the synchronous intracavity with switch the axle articulated transmission axle of axle, transmission axle with carry out power transmission through second synchronous belt group between the driving shaft.
6. A constant volume fluid control valve for dynamically adjusting a flow rate according to claim 5, wherein: the power device comprises a motor arranged in the power cavity, a power shaft in power connection with the motor is rotationally arranged in the power cavity, the power shaft is separated from the connecting sleeve shaft, a worm is arranged on the outer wall of the power shaft, a turbine shaft is arranged in the power cavity, a turbine matched with the worm is arranged at the top end of the turbine shaft, a power bevel gear meshed with the forward bevel gear is arranged at the bottom end of the turbine shaft, and the dynamic speed regulating device is driven to rotate.
7. A constant volume fluid control valve for dynamically adjusting a flow rate according to claim 6, wherein: the valve body pipeline is internally provided with a bubble removing net for avoiding the influence of cavitation on the measurement accuracy caused by the change of the flow velocity of the fluid after the angle of the valve body valve plate is changed.
CN202010415847.1A 2020-05-16 2020-05-16 Constant volume fluid control valve capable of dynamically adjusting flow rate Active CN111536287B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010415847.1A CN111536287B (en) 2020-05-16 2020-05-16 Constant volume fluid control valve capable of dynamically adjusting flow rate

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Application Number Priority Date Filing Date Title
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CN111536287B true CN111536287B (en) 2021-10-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5311488U (en) * 1976-07-12 1978-01-31
JPS5790470A (en) * 1980-11-26 1982-06-05 Sotokazu Rikuta Constant flow valve
CN1777454A (en) * 2003-04-22 2006-05-24 医疗物理有限公司 MRI/NMR-compatible,tidal volume control and measurement systems,methods,and devices for respiratory and hyperpolarized gas delivery
CN1828191A (en) * 2005-03-04 2006-09-06 株式会社Tgk Expansion valve
CN101223089A (en) * 2005-04-28 2008-07-16 轴向技术有限公司 A flow switch
CN201297990Y (en) * 2008-10-24 2009-08-26 中华全国供销合作总社郑州棉麻工程技术设计研究所 On-line sampling and compressing mechanism for testing cotton moisture regain
CN105042142B (en) * 2015-08-21 2018-12-25 重庆诚硕科技有限公司 Interval direct-operated regulator

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