CN112129384A - Metering and calibrating device for liquid volume detection - Google Patents
Metering and calibrating device for liquid volume detection Download PDFInfo
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- CN112129384A CN112129384A CN202011122407.3A CN202011122407A CN112129384A CN 112129384 A CN112129384 A CN 112129384A CN 202011122407 A CN202011122407 A CN 202011122407A CN 112129384 A CN112129384 A CN 112129384A
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000012795 verification Methods 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/0084—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume for measuring volume
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The invention relates to the technical field of detection devices, in particular to a metrological verification device for liquid volume detection, which comprises a base, wherein a metering cavity is arranged on the base, the metering cavity is cylindrical, a piston is arranged in the metering cavity, a floating ball is arranged in the metering cavity, an end cover is fixedly connected above the metering cavity, a driving device is arranged between the end cover and the piston and used for driving the piston to move up and down, a first circular channel is arranged on the piston, a sealing block is connected in the first circular channel in a sliding mode, a water inlet is formed in the sealing block and connected with a water inlet pipe, a water outlet pipe is arranged at the bottom of the metering cavity, a switch valve is arranged on the water outlet pipe, a controller is fixedly connected. The volume in the metering chamber can be varied by driving the piston up and down by the drive means.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a metering and calibrating device for liquid volume detection.
Background
In recent hundred years, the development speed of the Chinese industry is very fast, industrial products around the China are seen everywhere, but a lot of defective products flow into the market, the defective products not only affect the use experience of people, but also threaten the body health of users, therefore, the products flowing into the market can be strictly watched by factories and quality technical supervision authorities, and liquid substances need to be quantitatively extracted in the inspection of certain products.
Chinese patent CN209446141U discloses a metrological verification device, but the device has the following disadvantages that the water in the metering cavity is a fixed value and the adaptability is poor.
Disclosure of Invention
The invention aims to: a quantitative calibration device for liquid volume detection is provided.
The technical scheme adopted by the invention is as follows:
the utility model provides a liquid volume detects uses metrological verification device, includes the base, be equipped with the measurement chamber on the base, the measurement chamber is the cylinder, be equipped with the piston in the measurement chamber, be equipped with the floater in the measurement chamber, measurement chamber top fixedly connected with end cover, the end cover with be equipped with drive arrangement between the piston, drive arrangement is used for the drive the piston reciprocates, be equipped with first circular passageway on the piston, sliding connection has sealed piece in the first circular passageway, be equipped with the water inlet on the sealed piece, the water inlet is connected with the inlet tube, measurement chamber bottom is equipped with the outlet pipe, be equipped with the ooff valve on the outlet pipe, the last fixedly connected with controller of measurement chamber, drive arrangement and the ooff valve all with the controller electricity is connected.
By adopting the technical scheme, the piston can be driven to move up and down by the driving device to change the volume in the metering cavity. After the required water amount is determined, the piston can be driven to move up and down through the driving device, and when the piston is driven to move up, the volume in the metering cavity is increased; as the drive piston moves downwardly, the volume within the metering chamber decreases. After the position of the piston is moved, water is injected into the metering cavity through the water inlet pipe, the floating ball continuously rises along with the water level line during water injection, the first circular channel is blocked after the floating ball rises to a certain height, at the moment, the water injection is stopped, redundant water in the first circular channel is pumped out, at the moment, the water in the metering cavity is a preset value, and then the switch valve is opened to discharge the water in the metering cavity to a corresponding place.
Preferably, the driving device comprises a motor arranged on the end cover, a driving gear is fixedly connected to the motor, a driving rod is fixedly connected to the piston, a rack is arranged on the driving rod, the rack is meshed with the driving gear, and a through hole for the driving rod to move is formed in the end cover.
By adopting the technical scheme, the driving device has the principle that after the motor is started, the motor drives the driving gear to rotate, so that the driving gear is driven to move up and down, the whole driving rod is driven to move up and down, and the piston is driven to move up and down.
Preferably, the motor is electrically connected to the controller.
Preferably, be equipped with the lead screw in the actuating lever, the lead screw stretches out to the actuating lever outside, the tip fixedly connected with turning handle of lead screw, be equipped with the slider in the actuating lever, the slider with the lead screw cooperatees, fixedly connected with head rod on the slider, the head rod is "L" shape, the other end of head rod with sealed piece fixed connection, sealed piece below fixedly connected with round bar.
Through adopting above-mentioned technical scheme, after having injected into water in the measurement intracavity, according to the on-the-spot requirement, when required water is less than the water in the measurement intracavity, rotate through the drive twist grip, it rotates to drive the lead screw, thereby drive the slider lapse, thereby drive sealed piece lapse through first connecting rod, thereby drive the round bar lapse, then the round bar backs down the floater, then drive piston lapse, when the piston lapse, the water in the measurement intracavity will be followed first circular passageway and discharged, after the piston descends to corresponding position, drive twist grip antiport, at this moment, the lead screw will drive the slider lapse, thereby drive sealed piece lapse through first connecting rod, thereby drive sealed piece lapse, thereby drive round bar lapse, at this moment, the first circular passageway will be plugged up again to the floater.
Preferably, the sealing block is provided with a return port, and the return port is connected with a return pipe.
Through adopting above-mentioned technical scheme, through setting up backward flow mouth and back flow, unnecessary moisture can be discharged from the back flow in the back flow pipe with the backward flow mouth in the first circular passageway.
Preferably, be equipped with locking means on the lead screw, locking means is including setting up locking gear on the lead screw, locking gear one side is equipped with fan-shaped internal gear, fan-shaped internal gear with locking gear cooperatees, fixedly connected with installation piece on the actuating lever, be equipped with the sliding tray in the installation piece, fan-shaped internal gear sliding connection in the sliding tray, fixedly connected with second connecting rod on the fan-shaped internal gear, the second connecting rod passes the installation piece, stretch out to the installation piece outside, the overhead fixedly connected with drive block of second connecting rod.
Through adopting above-mentioned technical scheme, this locking means's theory of operation does, when drive fan-shaped internal gear and locking gear engaged with, locking gear will be locked by fan-shaped internal gear, and locking gear will unable the rotation this moment to the restriction lead screw is unable to rotate, and this locking means can prevent that turning handle from receiving vibrations or other factors etc. influence oneself and rotating. When the screw rod needs to be rotated, the fan-shaped internal gear and the locking gear are driven to be separated, and at the moment, the screw rod can be driven to rotate.
Preferably, a limiting plate is arranged on the fan-shaped inner gear, and a first spring is arranged between the limiting plate and the inner end face of the sliding groove.
Through adopting above-mentioned technical scheme, can restrict the displacement distance of fan-shaped internal gear through setting up the limiting plate, through setting up first spring, first spring exerts a power towards the locking gear direction for fan-shaped internal gear, makes fan-shaped internal gear be in the engaged state all the time with locking gear under not receiving the effect of external force.
Preferably, the sealing block is fixedly connected with a fixing block below, a second circular channel is arranged in the fixing block, the second circular channel coincides with the axis of the second circular channel, the radius of the second circular channel is larger than that of the first circular channel, an inclined plane is arranged below the sealing block, and the inclined plane faces towards the inclination of the second circular channel.
Through adopting above-mentioned technical scheme, through setting up the circular passageway of second to, the inclined plane of sealed piece below is faced the circular passageway slope of second makes things convenient for the floater to get into the circular passageway of second, thereby the first circular passageway of accurate blocking up.
Preferably, be equipped with water flow rate controlling means in the fixed block, water flow rate controlling means includes the mounting groove, the mounting groove perpendicular to the circular passageway of second, the opening orientation of mounting groove the circular passageway of second, sliding connection has the sliding block in the mounting groove, be equipped with pressure sensor in the mounting groove, the sliding block with be equipped with the second spring between the mounting groove bottom, be equipped with flow control valve on the inlet tube, pressure sensor and flow control valve all with the controller electricity is connected.
Through adopting above-mentioned technical scheme, before the floater gets into in the circular passageway of second, flow control valve is the mode of intaking fast, and when the floater got into in the circular passageway of second, the floater will drive the inward movement of sliding block, will extrude pressure sensor when the sliding block inward movement, and pressure sensor will signal transmission to the controller on, controller control flow control valve adjusts for the mode of intaking at a slow speed. The water injection device has the advantages that the water injection mode is quick during water injection, water can be injected quickly, time is saved, when the water block is full, the water injection mode is adjusted to be the slow water injection mode through the water injection device, water bubbles generated during quick water injection can be eliminated during slow water injection, and accuracy in the metering cavity is improved.
Preferably, the bottom of the metering cavity is funnel-shaped, the water outlet pipe is connected with the bottom of the metering cavity, and a receiving screen plate is arranged in the metering cavity and is horizontally arranged.
Through adopting above-mentioned technical scheme, through will measure the chamber bottom and design into leaking hopper-shaped, when can preventing the drainage, have water to remain in the measurement intracavity, accept the otter board through the setting, can prevent that the floater from plugging up the drain pipe, lead to having a small amount of water to remain in the measurement intracavity.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
in the invention, after the required water amount is determined, the piston can be driven to move up and down through the driving device, and when the piston is driven to move up, the volume in the metering cavity is increased; when the driving piston moves downwards, the volume in the metering cavity is reduced, so that the volume in the metering cavity is changed, and the whole device can adapt to the requirements of different metering water.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of the portion C of FIG. 1 according to the present invention.
The labels in the figure are: 1-base, 2-metering cavity, 3-piston, 4-floating ball, 5-end cover, 6-first circular channel, 7-sealing block, 8-water inlet, 9-water inlet pipe, 10-water outlet pipe, 11-switch valve, 12-controller, 13-motor, 14-driving gear, 15-driving rod, 16-rack, 17-screw rod, 18-rotating handle, 19-sliding block, 20-first connecting rod, 21-circular rod, 22-return port, 23-return pipe, 24-locking gear, 25-sector internal gear, 26-mounting block, 27-sliding groove, 28-second connecting rod, 29-driving block, 30-limiting plate, 31-first spring, 32-fixing block, 33-a second circular channel, 34-a mounting groove, 35-a sliding block, 36-a pressure sensor, 37-a second spring, 38-a flow regulating valve and 39-a receiving net plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
As shown in fig. 1-4, a metrological verification device for liquid volume detection comprises a base 1, a metering cavity 2 is arranged on the base 1, the metering cavity 2 is a cylinder, a piston 3 is arranged in the metering cavity 2, a floating ball 4 is arranged in the metering cavity 2, an end cover 5 is fixedly connected above the metering cavity 2, a driving device is arranged between the end cover 5 and the piston 3, the driving device is used for driving the piston 3 to move up and down, a first circular channel 6 is arranged on the piston 3, a sealing block 7 is connected in the first circular channel 6 in a sliding way, a water inlet 8 is arranged on the sealing block 7, the water inlet 8 is connected with a water inlet pipe 9, the bottom of the metering cavity 2 is provided with a water outlet pipe 10, the water outlet pipe 10 is provided with a switch valve 11, the metering cavity 2 is fixedly connected with a controller 12, and the driving device and the switch valve 11 are electrically connected with the controller 12. The volume within the metering chamber 2 can be varied by driving the piston 3 up and down by the drive means. After the required water amount is determined, the piston 3 can be driven to move up and down through the driving device, and when the piston 3 is driven to move up, the volume in the metering cavity 2 is increased; as the drive piston 3 moves downwardly, the volume within the metering chamber 2 decreases. After the position of the piston 3 is moved, water is injected into the metering cavity 2 through the water inlet pipe 9, when water is injected, the floating ball 4 continuously rises along with the water level line, after the floating ball 4 rises to a certain height, the first circular channel 6 is blocked, at the moment, water injection is stopped, redundant water in the first circular channel 6 is pumped out, at the moment, the water in the metering cavity 2 is a preset value, then the switch valve 11 is opened, and the water in the metering cavity 2 is discharged to a corresponding place.
In this embodiment, the driving device includes an electric motor 13 disposed on the end cover 5, a driving gear 14 is fixedly connected to the electric motor 13, a driving rod 15 is fixedly connected to the piston 3, a rack 16 is disposed on the driving rod 15, the rack 16 is engaged with the driving gear 14, and a through hole for moving the driving rod 15 is formed in the end cover 5. The driving device is based on the principle that when the motor 13 is started, the motor 13 drives the driving gear 14 to rotate, so as to drive the gear to move up and down, and further drive the whole driving rod 15 to move up and down, so as to drive the piston 3 to move up and down.
In the present embodiment, the motor 13 is electrically connected to the controller 12.
In this embodiment, a screw rod 17 is disposed in the driving rod 15, the screw rod 17 extends out of the driving rod 15, a rotating handle 18 is fixedly connected to an end portion of the screw rod 17, a slider 19 is disposed in the driving rod 15, the slider 19 is matched with the screw rod 17, a first connecting rod 20 is fixedly connected to the slider 19, the first connecting rod 20 is L-shaped, the other end of the first connecting rod 20 is fixedly connected to the sealing block 7, and a round rod 21 is fixedly connected to a lower portion of the sealing block 7.
By adopting the technical scheme, after water is injected into the metering cavity 2, when the required water is smaller than the water in the metering cavity 2 according to the requirement of a site, the rotating handle 18 is driven to rotate, the screw rod 17 is driven to rotate, the slide block 19 is driven to move downwards, the sealing block 7 is driven to move downwards through the first connecting rod 20, the round rod 21 is driven to move downwards, the floating ball 4 is jacked open by the round rod 21, the piston 3 is driven to move downwards, when the piston 3 moves downwards, the water in the metering cavity 2 is discharged from the first round channel 6, when the piston 3 descends to a corresponding position, the rotating handle 18 is driven to rotate reversely, at the moment, the screw rod 17 drives the slide block 19 to move upwards, the sealing block 7 is driven to move upwards through the first connecting rod 20, the sealing block 7 is driven to move upwards, the round rod 21 is driven to move upwards, at the moment, the ball 4 will re-block the first circular channel 6.
In this embodiment, the sealing block 7 is provided with a return port 22, and a return pipe 23 is connected to the return port 22. By providing the return port 22 and the return pipe 23, excess water in the first circular passage 6 can be discharged from the return pipe 23 together with the return port 22.
In this embodiment, be equipped with locking means on the lead screw 17, locking means is including setting up locking gear 24 on the lead screw 17, locking gear 24 one side is equipped with fan-shaped internal gear 25, fan-shaped internal gear 25 with locking gear 24 cooperatees, fixedly connected with installation piece 26 on the actuating lever 15, be equipped with sliding tray 27 in the installation piece 26, fan-shaped internal gear 25 sliding connection in the sliding tray 27, fixedly connected with second connecting rod 28 on the fan-shaped internal gear 25, second connecting rod 28 passes installation piece 26, stretch out to the installation piece 26 outside, fixedly connected with drive block 29 on the second connecting rod 28 end. The locking device has the working principle that when the sector-shaped internal gear 25 is driven to be meshed with the locking gear 24, the locking gear 24 is locked by the sector-shaped internal gear 25, the locking gear 24 cannot rotate at the moment, so that the screw rod 17 is limited to be incapable of rotating, and the locking device can prevent the rotating handle 18 from being influenced by vibration or other factors to rotate. When the screw rod 17 needs to be rotated, the sector internal gear 25 is driven to be separated from the locking gear 24, and at the moment, the screw rod 17 can be driven to rotate.
In this embodiment, a limiting plate 30 is disposed on the ring gear 25, and a first spring 31 is disposed between the limiting plate 30 and the inner end surface of the sliding groove 27. The moving distance of the sector-shaped internal gear 25 can be limited by arranging the limiting plate 30, and by arranging the first spring 31, the first spring 31 applies a force towards the direction of the locking gear 24 to the sector-shaped internal gear 25, so that the sector-shaped internal gear 25 and the locking gear 24 are always in a meshed state under the condition of not being influenced by external force.
In this embodiment, sealing block 7 below fixedly connected with fixed block 32, be equipped with the circular passageway 33 of second in the fixed block 32, the circular passageway 33 of second with the axis of the circular passageway 33 of second coincides mutually, the radius of the circular passageway 33 of second is greater than the radius of first circular passageway 6, sealing block 7 below is equipped with the inclined plane, the inclined plane court the circular passageway 33 of second inclines. Through setting up second circular passageway 33 to, the inclined plane below sealed piece 7 is towards the slope of second circular passageway 33 makes things convenient for floater 4 to get into second circular passageway 33, thereby the accurate first circular passageway 6 of blockking up.
In this embodiment, a water flow rate control device is disposed in the fixing block 32, the water flow rate control device includes a mounting groove 34, the mounting groove 34 is perpendicular to the second circular channel 33, an opening of the mounting groove 34 faces the second circular channel 33, a sliding block 35 is slidably connected in the mounting groove 34, a pressure sensor 36 is disposed in the mounting groove 34, a second spring 37 is disposed between the sliding block 35 and the bottom of the mounting groove 34, a flow regulating valve 38 is disposed on the water inlet pipe 9, and the pressure sensor 36 and the flow regulating valve 38 are electrically connected to the controller 12. Before the floating ball 4 enters the second circular channel 33, the flow regulating valve 38 is in a fast water inlet mode, when the floating ball 4 enters the second circular channel 33, the floating ball 4 drives the sliding block 35 to move inwards, the sliding block 35 squeezes the pressure sensor 36 when moving inwards, the pressure sensor 36 sends a signal to the controller 12, and the controller 12 controls the flow regulating valve 38 to be regulated to be in a slow water inlet mode. The fast water inlet mode is adopted when water injection is started, water can be injected fast, time is saved, when the water block is full, the device is adjusted to be the slow water injection mode, and during slow water injection, bubbles generated during fast water injection can be eliminated, and accuracy in the metering cavity 2 is improved.
In this embodiment, the bottom of the metering cavity 2 is funnel-shaped, the water outlet pipe 10 is connected with the bottom of the metering cavity 2, a receiving screen plate 39 is arranged in the metering cavity 2, and the receiving screen plate 39 is horizontally arranged. Through designing into the bottom of measurement chamber 2 and leaking hopper-shaped, when can preventing the drainage, have water to remain in measurement chamber 2, accept otter board 39 through the setting, can prevent that floater 4 from plugging up the drain pipe, lead to having a small amount of water to remain in measurement chamber 2.
The working principle is as follows: since the metering chamber 2 is cylindrical, the relative distance of the piston 3 is a certain ratio to the volume of water in the metering chamber 2. Firstly, according to actual needs, the amount of water needed by the metering cavity 2 is determined, and then the controller 12 controls the motor 13 to rotate, in this embodiment, the motor 13 is a servo motor, the servo motor can control the speed, the position precision is very accurate, and a voltage signal can be converted into a torque and a rotating speed to drive a control object. The motor 13 will drive the driving gear 14 to rotate, thereby driving the gear to move up and down, thereby driving the whole driving rod 15 to move up and down, thereby driving the piston 3 to move up and down. Here, it is assumed that the number of teeth of the driving gear 14 is n, and the pitch of the rack 16 is m, so that when the driving gear 14 rotates one turn, the rack 16 ascends or descends by n × m. When the piston 3 moves to the corresponding position, water is injected into the metering cavity 2 through the water inlet pipe 9, at the moment, the flow regulating valve 38 is in a rapid water inlet mode, when water is filled, the floating ball 4 continuously rises along with the water level line, when the floating ball 4 rises to a certain height, the floating ball 4 enters the second circular channel 33, the floating ball 4 drives the sliding block 35 to move inwards, the sliding block 35 squeezes the pressure sensor 36 when moving inwards, the pressure sensor 36 sends a signal to the controller 12, the controller 12 controls the flow regulating valve 38 to regulate the slow water inlet mode, then the water level slowly rises until the floating ball 4 blocks the first circular channel 6, at this time, the water injection is stopped, the excess water in the first circular channel 6 is discharged from the return pipe 23, at this time, the water in the metering cavity 2 is a preset value, and then the switch valve 11 is opened, and the water in the metering cavity 2 is discharged to a corresponding place.
After water is injected into the metering cavity 2, according to the requirement of a field, when the needed water is smaller than the water in the metering cavity 2, the rotating handle 18 is driven to rotate, the screw rod 17 is driven to rotate, the sliding block 19 is driven to move downwards, the sealing block 7 is driven to move downwards through the first connecting rod 20, the round rod 21 is driven to move downwards, the floating ball 4 is pushed open by the round rod 21, the piston 3 is driven to move downwards, when the piston 3 moves downwards, the water in the metering cavity 2 is discharged from the return pipe 23 through the first round channel 6, after the piston 3 descends to a corresponding position, the rotating handle 18 is driven to rotate reversely, at the moment, the screw rod 17 drives the sliding block 19 to move upwards, the sealing block 7 is driven to move upwards through the first connecting rod 20, the round rod 21 is driven to move upwards, and at the moment, the floating ball 4 blocks the first round channel 6 again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a measurement calibrating installation for liquid volume detection, a serial communication port, the on-line screen storage device comprises a base, be equipped with the measurement chamber on the base, the measurement chamber is the cylinder, be equipped with the piston in the measurement chamber, be equipped with the floater in the measurement chamber, measurement chamber top fixedly connected with end cover, the end cover with be equipped with drive arrangement between the piston, drive arrangement is used for the drive the piston reciprocates, be equipped with first circular passageway on the piston, sliding connection has sealed piece in the first circular passageway, be equipped with the water inlet on the sealed piece, the water inlet is connected with the inlet tube, measurement chamber bottom is equipped with the outlet pipe, be equipped with the ooff valve on the outlet pipe, fixedly connected with controller on the measurement chamber, drive arrangement and the ooff valve all with the controller electricity is.
2. The metrological verification device for liquid volume detection as claimed in claim 1, wherein the drive device comprises a motor disposed on the end cap, a drive gear is fixedly connected to the motor, a drive rod is fixedly connected to the piston, a rack is disposed on the drive rod, the rack is engaged with the drive gear, and a through hole for the drive rod to move is disposed on the end cap.
3. The metrological verification device of claim 2, wherein the motor is electrically connected to the controller.
4. The metrological verification device for liquid volume detection as claimed in claim 2, wherein a screw rod is arranged in the driving rod, the screw rod extends out of the driving rod, a rotating handle is fixedly connected to the end of the screw rod, a slider is arranged in the driving rod, the slider is matched with the screw rod, a first connecting rod is fixedly connected to the slider, the first connecting rod is in an "L" shape, the other end of the first connecting rod is fixedly connected to the sealing block, and a round rod is fixedly connected to the lower portion of the sealing block.
5. The metrological verification device of claim 4, wherein the seal block is provided with a return port, and a return pipe is connected to the return port.
6. The metrological verification device for liquid volume detection as claimed in claim 4, wherein a locking device is arranged on the screw rod, the locking device comprises a locking gear arranged on the screw rod, a fan-shaped internal gear is arranged on one side of the locking gear, the fan-shaped internal gear is matched with the locking gear, a mounting block is fixedly connected to the driving rod, a sliding groove is arranged in the mounting block, the fan-shaped internal gear is slidably connected to the sliding groove, a second connecting rod is fixedly connected to the fan-shaped internal gear, the second connecting rod penetrates through the mounting block and extends out of the mounting block, and a driving block is fixedly connected to the end of the second connecting rod.
7. The metrological verification device for liquid volume detection as claimed in claim 6, wherein the fan-shaped internal gear is provided with a limiting plate, and a first spring is arranged between the limiting plate and the inner end face of the sliding groove.
8. The metrological verification device for liquid volume detection as claimed in claim 1, wherein a fixed block is fixedly connected below the sealing block, a second circular channel is arranged in the fixed block, the axis of the second circular channel coincides with the axis of the second circular channel, the radius of the second circular channel is larger than that of the first circular channel, an inclined surface is arranged below the sealing block, and the inclined surface inclines towards the second circular channel.
9. The metrological verification device for liquid volume detection as claimed in claim 8, wherein a water flow rate control device is arranged in the fixed block, the water flow rate control device comprises a mounting groove, the mounting groove is perpendicular to the second circular channel, the opening of the mounting groove faces the second circular channel, a sliding block is slidably connected in the mounting groove, a pressure sensor is arranged in the mounting groove, a second spring is arranged between the sliding block and the bottom of the mounting groove, a flow regulating valve is arranged on the water inlet pipe, and the pressure sensor and the flow regulating valve are electrically connected with the controller.
10. The metrological verification device of any one of claims 1-9, wherein the bottom of the metering chamber is funnel-shaped, the water outlet pipe is connected with the bottom of the metering chamber, and a receiving screen is arranged in the metering chamber and is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122407.3A CN112129384B (en) | 2020-10-20 | 2020-10-20 | Metering calibrating device for liquid volume detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122407.3A CN112129384B (en) | 2020-10-20 | 2020-10-20 | Metering calibrating device for liquid volume detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649118A (en) * | 2021-07-28 | 2021-11-16 | 青岛理工大学 | Fertilizer grinding mechanism, water and fertilizer mixing device and water and fertilizer solution preparation production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649118A (en) * | 2021-07-28 | 2021-11-16 | 青岛理工大学 | Fertilizer grinding mechanism, water and fertilizer mixing device and water and fertilizer solution preparation production line |
| CN113649118B (en) * | 2021-07-28 | 2022-08-05 | 青岛理工大学 | Fertilizer grinding mechanism, water and fertilizer mixing device and water and fertilizer solution preparation production line |
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| CN112129384B (en) | 2023-07-25 |
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Application publication date: 20201225 Assignee: Guangxi Wanyou Network Technology Co.,Ltd. Assignor: NANNING University Contract record no.: X2023980045545 Denomination of invention: A metrological verification device for liquid volume detection Granted publication date: 20230725 License type: Common License Record date: 20231103 |
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