CN210239959U - Flow-controllable diaphragm water pump - Google Patents
Flow-controllable diaphragm water pump Download PDFInfo
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- CN210239959U CN210239959U CN201921218155.7U CN201921218155U CN210239959U CN 210239959 U CN210239959 U CN 210239959U CN 201921218155 U CN201921218155 U CN 201921218155U CN 210239959 U CN210239959 U CN 210239959U
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Abstract
The application provides a flow controllable diaphragm water pump, the embodiment of the utility model provides a diaphragm water pump is owing to set up the magnet on the eccentric wheel, and be equipped with the hall sensor who is used for detecting the magnetic path on one side of the eccentric wheel, when motor drive eccentric wheel rotates a week, each water pocket is extruded respectively and is loosened once, the water delivery volume of motor rotation a week is the total amount of all water pockets inspiratory water; and the magnetic block on the eccentric wheel aligns with hall sensor, hall sensor detects the magnetic block and produces corresponding signal transmission to control mechanism, and hall sensor judges the water delivery volume of water pump through the number of times that detects the magnetic block promptly, so the user can design the demand water delivery volume, and control mechanism can be according to the rotatory number of turns of water delivery volume control motor of settlement, so the water delivery volume is controllable, and its control accuracy is high.
Description
Technical Field
The utility model relates to a diaphragm pump field indicates a controllable diaphragm pump of flow especially.
Background
At the present stage, the miniature diaphragm water pump used in the industry adopts the motor to rotate, pushes the rubber bag to do contraction and expansion movement, sucks water, and then pushes the water out to realize water delivery.
When the existing diaphragm water pump is used for conveying liquid, if a specific water conveying amount is required, the required time can be estimated approximately only according to the water conveying speed, and manual side monitoring is also required to control a closing device; this results in the low water carrying precision among the prior art, easily appears transporting the condition that the water total volume is too little or transport water total volume too much to appear.
Disclosure of Invention
In order to solve the problem, the utility model provides a controllable diaphragm water pump of flow aims at solving among the prior art because the technical problem to the unable precision control of diaphragm water pump fortune water yield.
In order to achieve the above object, the utility model adopts the following technical scheme: a flow-controllable diaphragm water pump comprises a control mechanism, a pumping and discharging assembly, a driving mechanism and a metering mechanism, wherein the pumping and discharging assembly is provided with a water inlet and a water outlet and is used for sucking and discharging water to be conveyed; the pumping and draining assembly comprises a plurality of water bags which are circumferentially arranged at intervals along a driving mechanism, the driving mechanism comprises a motor which is provided with a rotating shaft and is electrically connected with a control mechanism, an eccentric wheel which is arranged on the rotating shaft and rotates along with the rotating shaft, and a rocker of which one end is connected with the eccentric wheel and the other end is connected with each water bag; the metering mechanism comprises a magnetic block arranged on the outer side wall of the eccentric wheel and a Hall sensor which is arranged on one side of the eccentric wheel and used for detecting the magnetic block, and the Hall sensor is electrically connected and communicated with the control mechanism; the rocker is made to press each water bag in turn towards the end of the water bag along with the rotation of the eccentric wheel in the rotating process and continuously sucks the water to be conveyed in from the water inlet and discharges the water from the water outlet.
Furthermore, a placing groove is formed in the outer side face of the eccentric wheel, screw holes communicated with the placing groove are formed in two sides of the outer side face of the eccentric wheel, and each screw hole is provided with a fixing bolt; the magnetic block is clamped in the placing groove, and the fixing bolt is tightly attached to the side face of the magnetic block.
Furthermore, metering mechanism still includes the fixed motor support that sets up in the motor top, just one side of motor support is provided with the mounting hole towards the lateral surface of eccentric wheel, wherein hall sensor installs in the mounting hole.
Further, control mechanism is including setting up at motor support medial surface PCB control panel, setting at the control panel of motor support lateral surface, wherein the output of PCB control panel is connected with the input of motor, control panel's output is connected with the input of PCB control panel, hall sensor's output is connected with the input of PCB control panel.
Further, the rocker is connected with the water bags through a swinging piece, and the swinging piece comprises a swinging piece body fixed with the rocker and swinging arms extending from the swinging piece body to the water bags and fixedly connected with the water bags.
Furthermore, an eccentric hole is formed in the position, far away from the circle center, of the upper surface of the eccentric wheel, and one end of the rocker is fixedly connected into the eccentric hole in an inserting mode.
The beneficial effects of the utility model reside in that: the diaphragm water pump provided by the embodiment of the utility model is provided with the magnet on the eccentric wheel, and the Hall sensor for detecting the magnetic block is arranged on one side of the eccentric wheel, when the motor drives the eccentric wheel to rotate for a circle, each water sac is extruded and loosened once respectively, and the water delivery amount of the motor rotating for a circle is the total amount of water sucked by all the water sacs; and the magnetic block on the eccentric wheel aligns with hall sensor, hall sensor detects the magnetic block and produces corresponding signal transmission to control mechanism, and hall sensor judges the water delivery volume of water pump through the number of times that detects the magnetic block promptly, so the user can design the demand water delivery volume, and control mechanism can be according to the rotatory number of turns of water delivery volume control motor of settlement, so the water delivery volume is controllable, and its control accuracy is high.
Drawings
Fig. 1 is a schematic perspective view of the whole apparatus of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the integrated device of the present invention.
Fig. 3 is the internal structure schematic diagram of the whole device of the present invention after the motor bracket is omitted.
Fig. 4 is a schematic perspective view of the middle motor bracket of the present invention.
Fig. 5 is a schematic perspective view of the eccentric wheel of the present invention.
Fig. 6 is a schematic perspective view of the swing member of the present invention.
The reference numbers illustrate: 1. a pumping and draining assembly; 11. a water inlet; 12. a water outlet; 13. a water bladder; 14. a rocking member; 141. a pendulum body; 142. swinging arms; 2. a motor; 21. an eccentric wheel; 211. a placement groove; 212. an eccentric hole; 213. a screw hole; 22. a rocker; 3. a metering mechanism; 31. a Hall sensor; 32. a magnetic block; 33. a motor bracket; 331. and (7) installing holes.
Detailed Description
Referring to fig. 1-6, the present invention relates to a diaphragm water pump with controllable flow rate, which comprises a control mechanism, a pumping and discharging assembly 1 having a water inlet 11 and a water outlet 12 and used for sucking and discharging water to be delivered, a driving mechanism for driving the pumping and discharging assembly 1 to operate and electrically connected to the control mechanism, and a metering mechanism 3 electrically connected to the control mechanism; the pumping and draining assembly 1 comprises a plurality of water bags 13 which are circumferentially arranged at intervals along a driving mechanism, the driving mechanism comprises a motor 2 which is provided with a rotating shaft and is electrically connected with a control mechanism, an eccentric wheel 21 which is arranged on the rotating shaft and rotates along with the rotating shaft, and a rocker 22 of which one end is connected with the eccentric wheel 21 and the other end is connected with each water bag 13; the metering mechanism 3 comprises a magnetic block 32 arranged on the outer side wall of the eccentric wheel 21 and a Hall sensor 31 arranged on one side of the eccentric wheel 21 and used for detecting the magnetic block 32, and the Hall sensor 31 is electrically connected and communicated with the control mechanism; the rocker 22, as the eccentric 21 rotates, presses the water bags 13 in turn towards the end of the water bags 13 during rotation and continuously sucks the water to be delivered in from the water inlet 11 and discharges the water from the water outlet 12.
The motor 2 drives the eccentric wheel 21 to rotate, the rocker 22 is driven by the eccentric wheel 21 to swing in a conical surface manner by taking the rotation axis of the eccentric wheel 21 as the center, and in the swinging process of the rocker 22, the water bags 13 are periodically and sequentially extruded and loosened by the rocker 22, so that water is conveyed. When the water bag 13 is pressed by the rocker 22, the water in the water bag 13 obtains kinetic energy due to the pressing and is discharged from the water outlet 12; as the motor 2 continues to rotate, the water bag 13 is loosened, and due to the action of the atmospheric pressure, the water to be delivered is sucked into the water bag 13 from the water inlet 11, and when the motor 2 rotates to the position again, the water is squeezed again and is discharged from the water outlet 12, and the process is repeated, so that the water to be delivered is continuously conveyed. It can be understood that each water bag 13 is squeezed and loosened once per rotation of the motor 2, and the amount of water transported by one rotation of the motor 2 is the total amount of water sucked by all the water bags 13.
It should be noted that the main point of discussion in this embodiment is that the driving mechanism, the metering mechanism and the control mechanism are mutually matched to realize controllable water delivery amount; therefore, the pumping and draining assembly in the conventional technology is adopted in the application, namely the pumping and draining assembly in the diaphragm water pump in the conventional technology, so the specific structure of the pumping and draining assembly is not limited in the application; in order to better understand the working principle, the following lists a specific structure in the pumping assembly and the specific working principle thereof: wherein the pumping and draining assembly comprises an upper cover provided with the water inlet 11 and the water outlet 12, a water bag seat used for fixing each water bag 13 and a water valve which is fixed between the upper cover and the water bag seat and used for controlling the water flow direction, the water bag seat is positioned between the water valve and the eccentric wheel 21, the upper cover is buckled on the water valve and forms a water containing space with the water valve, the upper cover comprises a top wall provided with a water outlet 12, a side wall which extends along the four circumferential directions of the top wall to one side of the motor 2 and is provided with the water inlet 11, and a sealing sleeve which extends along the top wall to one side of the water bag 13 and is propped against the water valve, the top wall, the side wall and the water valve are enclosed to form a water containing space, and the sealing sleeve is positioned on the inner side of the side wall and divides the water containing space into an inner space communicated with the water outlet 12 and an outer space communicated with the water inlet 11. In the embodiment, the upper cover is buckled on the water valve to form a water containing space with the water valve, and the water containing space is divided into an isolated inner space and an isolated outer space by the sealing sleeve, so that the water inlet pipeline and the water outlet pipeline are isolated, namely water cannot leak to the inner space after entering the outer space, cannot leak to the outer space after entering the inner space, and can only be discharged from the water outlet 12; the water valve comprises a valve body, and a plurality of first one-way valves and second one-way valves which are arranged on the valve body, wherein each first one-way valve and the valve body form a water inlet channel for water to be delivered to flow into the water bag 13 along the peripheral space, the second one-way valves and the valve body form a plurality of water outlet channels for water to be delivered to flow out to the inner peripheral space along the corresponding water bag 13, one first one-way valve corresponds to one water bag 13, and one water outlet channel corresponds to one water inlet channel.
The embodiment of the utility model provides a diaphragm pump's fortune water principle: in the running process of the motor 2, after the water bag 13 is loosened, water to be conveyed is firstly sucked into a peripheral space, a one-way valve corresponding to the water bag 13 is opened, and the water to be conveyed enters the water bag 13 through the one-way valve; as the motor 2 continues to rotate, the rocker presses the water bag 13, water to be conveyed is pressed by the water bag 13, the first one-way valve corresponding to the water bag 13 is closed, the second one-way valve is opened, the water to be conveyed obtains kinetic energy, and the water enters the inner enclosed space from the water bag 13 through the second one-way valve and then is discharged from the water outlet 12. As the motor 2 continues to rotate, the water bags 13 and the check valves are sequentially operated according to the above-described flow, thereby carrying water. It can be understood that, at the same time, each water bag 13 is partially in the process of being squeezed and partially in the process of being loosened, so that water continuously enters the water inlet 11 and water continuously exits from the water outlet 12, and the water conveying efficiency is extremely high.
Referring to fig. 1-3, because the eccentric wheel 21 is provided with the magnet and the hall sensor 31 for detecting the magnetic block 32 is arranged on one side of the eccentric wheel 21, when the motor 2 drives the eccentric wheel 21 to rotate for a circle, each water bag 13 is squeezed and loosened once, and the water delivery amount of the motor 2 rotating for a circle is the total amount of water sucked by all the water bags 13; the magnetic block 32 on the eccentric wheel 21 is aligned with the hall sensor 31, the hall sensor 31 detects the magnetic block 32 and generates a corresponding signal to be sent to the control mechanism, namely the hall sensor 31 judges the water delivery amount of the water pump by detecting the times of the magnetic block 32, so that a user can design the required water delivery amount, the control mechanism can control the number of rotating turns of the motor 2 according to the set water delivery amount, the water delivery amount is controllable, and the control precision is high.
Referring to fig. 5, further, a placing groove 211 is formed in an outer side surface of the eccentric wheel 21, screw holes 213 communicated with the placing groove 211 are formed in two sides of the outer side surface of the eccentric wheel 21, and each screw hole 213 is provided with a fixing bolt; the magnetic block 32 is clamped in the placing groove 211, and the fixing bolt is tightly attached to the side surface of the magnetic block 32.
In this embodiment, when the eccentric wheel 21 is driven to rotate by the rotating shaft of the motor 2, the magnetic block 32 disposed outside the eccentric wheel 21 is subjected to a larger centrifugal force, so that the magnetic block 32 is prevented from falling off during operation, and the magnetic block 32 is clamped in the placing groove 211, and meanwhile, the fixing bolt passes through the screw hole 213 and is tightly attached to the side surface of the magnetic block 32, so that the magnetic block 32 is fixed.
Further, the metering mechanism 3 further comprises a motor support 33 fixedly arranged above the motor 2, a mounting hole 331 facing the outer side surface of the eccentric wheel 21 is formed in one side of the motor support 33, and the hall sensor 31 is mounted in the mounting hole 331. Meanwhile, in order to cooperate with metering, the motor bracket 33 is arranged in the embodiment, the hall sensor 31 is installed in the installation hole 331 facing the eccentric wheel 21, when the magnetic block 32 on the eccentric wheel 21 is aligned with the hall sensor 31, the hall sensor 31 detects the magnetic block 32 and generates a corresponding signal to be sent to the control mechanism, namely, the hall sensor 31 judges the water delivery amount of the water pump by detecting the times of the magnetic block 32.
Further, control mechanism is including setting up at motor support 33 medial surface PCB control panel (not shown), setting up at the control panel (not shown) of motor support 33 lateral surface, wherein the output of PCB control panel is connected with the input of motor 2 respectively, control panel's output is connected with the input of PCB control panel, hall sensor 31's output is connected with the input of PCB control panel. In this embodiment, the control panel can display the real-time water transport amount, and the user can adjust the water transport amount of demand through the button of control panel, the PCB control panel is according to the instruction that the customer input, and the PCB board receives the signal (the number of turns of eccentric wheel 21 rotation) that hall sensor 31 transmitted, and the number of times that the PCB board received the signal that hall sensor 31 transmitted reaches the corresponding value (change numerical system and can calculate according to the water transport amount that the user input), then send control command control motor 2 stop work.
Further, the rocking bar 22 is connected to the water bags 13 through a rocking member 14, and referring to fig. 6, the rocking member 14 includes a rocker body 141 fixed to the rocking bar 22, and a swing arm 142 extending from the rocker body 141 to each water bag 13 and fixedly connected to each water bag 13. The rocker 22 is driven by the eccentric wheel 21 to swing in a conical surface manner by taking the rotation axis of the eccentric wheel 21 as the center, and drives the swing piece 14 to swing, and the swing arm 142 sequentially presses the water bag 13 in the swinging process of the swing piece 14, so that the water sucking and draining actions of the water pump are realized.
Referring to fig. 5, further, an eccentric hole 212 is formed in a position of the upper surface of the eccentric wheel 21 away from the center of the circle, and one end of the rocker 22 is inserted and fixed in the eccentric hole 212.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.
Claims (6)
1. A flow-controllable diaphragm water pump is characterized by comprising a control mechanism, a pumping and discharging assembly, a driving mechanism and a metering mechanism, wherein the pumping and discharging assembly is provided with a water inlet and a water outlet and is used for sucking and discharging water to be conveyed; the pumping and draining assembly comprises a plurality of water bags which are circumferentially arranged at intervals along a driving mechanism, the driving mechanism comprises a motor which is provided with a rotating shaft and is electrically connected with a control mechanism, an eccentric wheel which is arranged on the rotating shaft and rotates along with the rotating shaft, and a rocker of which one end is connected with the eccentric wheel and the other end is connected with each water bag; the metering mechanism comprises a magnetic block arranged on the outer side wall of the eccentric wheel and a Hall sensor which is arranged on one side of the eccentric wheel and used for detecting the magnetic block, and the Hall sensor is electrically connected and communicated with the control mechanism; the rocker is made to press each water bag in turn towards the end of the water bag along with the rotation of the eccentric wheel in the rotating process and continuously sucks the water to be conveyed in from the water inlet and discharges the water from the water outlet.
2. A controllable flow diaphragm water pump as claimed in claim 1 wherein: a placing groove is formed in the outer side face of the eccentric wheel, screw holes communicated with the placing groove are formed in the two sides of the outer side face of the eccentric wheel, and each screw hole is provided with a fixing bolt; the magnetic block is clamped in the placing groove, and the fixing bolt is tightly attached to the side face of the magnetic block.
3. A controllable flow diaphragm water pump as claimed in claim 1 wherein: the metering mechanism further comprises a motor support fixedly arranged above the motor, a mounting hole facing the outer side face of the eccentric wheel is formed in one side of the motor support, and the Hall sensor is mounted in the mounting hole.
4. A controllable flow diaphragm water pump as claimed in claim 3 wherein: control mechanism is including setting up at motor support medial surface PCB control panel, setting at the control panel of motor support lateral surface, wherein the output of PCB control panel is connected with the input of motor, control panel's output is connected with the input of PCB control panel, hall sensor's output is connected with the input of PCB control panel.
5. A controllable flow diaphragm water pump as claimed in claim 1 wherein: the rocker is connected with the water bags through a swinging piece, and the swinging piece comprises a swinging piece body fixed with the rocker and swinging arms extending from the swinging piece body to the water bags and fixedly connected with the water bags.
6. A controllable flow diaphragm water pump as claimed in claim 1 wherein: an eccentric hole is formed in the position, far away from the circle center, of the upper surface of the eccentric wheel, and one end of the rocker is fixedly connected into the eccentric hole in an inserted mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218155.7U CN210239959U (en) | 2019-07-30 | 2019-07-30 | Flow-controllable diaphragm water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218155.7U CN210239959U (en) | 2019-07-30 | 2019-07-30 | Flow-controllable diaphragm water pump |
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| Publication Number | Publication Date |
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| CN210239959U true CN210239959U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921218155.7U Active CN210239959U (en) | 2019-07-30 | 2019-07-30 | Flow-controllable diaphragm water pump |
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| CN (1) | CN210239959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734611A (en) * | 2020-04-28 | 2020-10-02 | 宁波捷尔天电气有限公司 | Flow-controllable liquid pump and working method thereof |
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2019
- 2019-07-30 CN CN201921218155.7U patent/CN210239959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734611A (en) * | 2020-04-28 | 2020-10-02 | 宁波捷尔天电气有限公司 | Flow-controllable liquid pump and working method thereof |
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