CN206513574U - Self-priming pump - Google Patents
Self-priming pump Download PDFInfo
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- CN206513574U CN206513574U CN201720027298.4U CN201720027298U CN206513574U CN 206513574 U CN206513574 U CN 206513574U CN 201720027298 U CN201720027298 U CN 201720027298U CN 206513574 U CN206513574 U CN 206513574U
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- stepper motor
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Abstract
The utility model discloses a kind of Self-priming pump, its drip irrigation device is that stopper slot is circumferentially opened on the outer wall of linkage section；Storage tank is opened on the inwall of installing port, and end is slidably fitted with the storage tank can protrude from the limited block of its notch；Stepper motor is connected with the drive member for driving limited block to slide on the outer wall of installing port on the output shaft of the stepper motor；Triggering boot portion is used to trigger when linkage section is seal-installed in installing port, and exports after preset time a trigger signal；Control device is electrically connected to stepper motor, and rotates limited block insertion being fitted in stopper slot in response to trigger signal control stepper motor.
Description
Technical field
The utility model is related to water pump field, more particularly to a kind of Self-priming pump.
Background technology
Self priming pump mainly includes housing, is connected in the motor and suction chamber of housing, housing provided with impeller, the output of motor
Axle extend into housing and is connected on impeller, is respectively equipped with water filling port, water inlet and delivery port, water filling port and connects on suction chamber
Plug screw is connected to, installing port is additionally provided with the suction chamber, pressurized tank is threaded with the installing port.
The main operational principle of self priming pump is first to open plug screw, and water is circulated into suction chamber by water filling port, Ran Houqi
Dynamic centrifugal pump, impeller quick rotation, the blade of impeller drives liquid to rotate, and inertia is relied on when liquid is rotated to impeller outer edge stream
Go, while impeller is from suction chamber inspiration liquid, in this course, the liquid in impeller streams blade, the liquid in motion is streamed
Body one lift of effect acts on liquid in blade, in turn blade with a power equal in magnitude, in opposite direction with this lift, this
Individual power is done work to liquid, liquid is obtained energy and is flowed out impeller, at this moment the kinetic energy of liquid increases with pressure energy.
If the self priming pump is for a long time in outdoor, installing port is by by different degrees of corrosion so that pressurized tank is with installing
Being completely embedded property step-down between mouthful, the continual vibration of generation will cause pressurized tank due to self priming pump in the process of running
Fine rotation is produced on installing port, it is long-term in the past under, if rotational angle of the pressurized tank on installing port is excessive, pressure will be caused
Air-tightness reduction between power tank and installing port, so as to influence the using effect of self priming pump.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of Self-priming pump, with carrying
The characteristics of high self priming pump using effect.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of Self-priming pump, including motor, housing, be connected to the suction chamber of the housing and be connected to suction chamber
Pressurized tank, the suction chamber is provided with the installing port communicated with inside it, and the pressurized tank is provided with the company communicated with inside it
Section is connect, the linkage section screw thread is installed in the installing port, it is characterized in that, in addition to：
Stopper slot, its circumference is opened on the outer wall of linkage section；
Storage tank, it is opened on the inwall of installing port, and end is slidably fitted with the storage tank can protrude from its notch
Limited block；
Stepper motor, it is connected with spacing for driving on the outer wall of installing port on the output shaft of the stepper motor
The drive member that block is slided；
Boot portion is triggered, for being triggered when linkage section is seal-installed in installing port, and one is exported after preset time
Trigger signal；
Control device, it is electrically connected to stepper motor, and is rotated in response to trigger signal control stepper motor with will be spacing
Block insertion is fitted in stopper slot；
Input unit is resetted, it has some interfaces, and each interface is coupled with a button, and the button is installed on suction chamber
On outer wall, the reset input unit be used for only detect with default part of interface couple button be simultaneously operated when export one
Reset signal to control device, control device in response to reset signal with control stepper motor to rotate with by limited block from stopper slot
It is middle to depart from.
By above-mentioned technical proposal, after pressurized tank is threadably mounted in installing port by linkage section, triggering boot portion is touched
Hair starts, and by one trigger signal of output into control device, control device stepper motor rotates certain number of turns, stepper motor
Output shaft drives limited block to be slided in storage tank by drive member so that the end of limited block is chimeric to enter stopper slot
In；Even if the self priming pump is for a long time in outdoor, installing port will be by corrosion, the being completely embedded property between pressurized tank and installing port
Step-down, now, the back-out action of pressurized tank are limited by limited block with stopper slot conflict power, and pressurized tank also will not be in installing port
On back-out length it is excessive, so as to ensure that the air-tightness between pressurized tank and installing port to a certain extent, with improve from
The using effect of sucking pump；
Wherein, when needing to screw out pressurized tank, it is only necessary to which pressing resets the corresponding button in input unit, resetting input unit will
Reset signal is exported into control device, control device control stepper motor is rotated will depart from stopper slot in limited block, is made
Limited block is not constituted to the back-out of pressurized tank action and stopped, it is simple, convenient, and reset input unit be configured with it is some by
Key, and the ability triggering and conducting only when specific keys are pressed, to reduce the possibility for resetting input unit maloperation.
It is preferred that, the drive member includes rack and the gear being installed on stepper motor output shaft, the rack
One end be connected with limited block and the other end is based in the outer wall of installing port and is meshed with gear.
By above-mentioned technical proposal, stepper motor controlled rotation, the circumferential rotatory force of rotating shaft can be converted to rack its from
The sliding force of body axial direction, so as to drive limited block to be inserted into stopper slot to act the back-out of pressurized tank and to be formed by rack
Stop.
It is preferred that, the triggering boot portion includes：
Tongue tube, it is arranged in installing port；
Magnet ring, it is socketed on linkage section；
Delay circuit, it has triggering end and output end, and its triggering end is coupled to tongue tube, and its output end is coupled to control
Device, when linkage section is seal-installed in installing port, magnet ring triggers reed switch conduction with Time delay circuit start, delay electricity
Road exports corresponding trigger signal to control device after preset time from its output end.
By above-mentioned technical proposal, when pressurized tank is tightened in installing port by linkage section, magnet ring will trigger tongue tube
Conducting, tongue tube Time delay circuit start so that stepper motor just drives limited block is chimeric to enter limit after preset time
In the groove of position, if the setting without delay circuit, when magnet ring triggers reed switch conduction in advance, stepper motor will be caused directly to open
It is dynamic, so that situation about entering in stopper slot can not be fitted together to by limited block occur.
It is preferred that, the delay circuit is integrated using 555 delay circuits.
By above-mentioned technical proposal, the integrated circuit structure of 555 delay circuits is simple, cost is relatively low, it is easy to the dimension in later stage
Shield is with changing.
It is preferred that, the control device includes：
Main control unit, in response to the trigger signal and the reset signal, and exports corresponding pwm signal；
Electric-motor drive unit, in response to the pwm signal to control the stepper motor to rotate.
By above-mentioned technical proposal, main control unit exports corresponding pwm signal to motor and drives list in response to trigger signal
Member, electric-motor drive unit controls stepper motor to rotate forward certain angle according to this pwm signal, and then drives limited block insertion chimeric
Into stopper slot；Wherein, main control unit exports corresponding pwm signal into electric-motor drive unit, motor in response to reset signal
Driver element controls stepper motor to rotate backward certain angle according to this pwm signal, and then drives limited block from stopper slot
Release.
It is preferred that, the reset input unit includes：
Interface one, its one end is coupled to voltage vcc；
Interface two, its one end is coupled to voltage vcc；
Interface three, its one end is coupled to voltage vcc；
Interface four, its one end is coupled to voltage vcc；
Phase inverter one, its one end is coupled to the other end of interface one；
With gate circuit one, it has first input end, the second input and output end, and its first input end is coupled to interface
Two other end, its second input is coupled to the other end of interface three；
Phase inverter two, its one end is coupled to the other end of interface four；
With gate circuit two, it has first input end, the second input, the 3rd input and output end, its first input
End is coupled to the output end of phase inverter one, and its second input is coupled to the output end with gate circuit one, its 3rd input coupling
The output end of phase inverter two is connected to, its output end is coupled to control device.
By above-mentioned technical proposal, when user presses lower interface two and interface three, with the first input end of gate circuit one and
Second input will be introduced into a high level, and be inputted from its output end one high level of output to the second of gate circuit two
End；Wherein, interface one and interface four are not depressed so that the input of phase inverter one and phase inverter two is introduced into a low electricity
It is flat, so as to be introduced into a high level with the first input end and the 3rd input of gate circuit two so that defeated with gate circuit two
Go out the reset signal of end output high level into control device, such a to set, the setting of abandoning tradition button, anti-misoperation
It is high.
In summary, the utility model having the beneficial effect that in contrast to prior art：
After pressurized tank is threadably mounted in installing port by linkage section, stepper motor is controlled to start by triggering boot portion,
Driving limited block is slided in storage tank so that chimeric enter in stopper slot in the end of limited block acts to the back-out of pressurized tank
Formed and stopped, it is to avoid the length that pressurized tank is screwed out on installing port is excessive, so as to ensure that pressurized tank and peace to a certain extent
The air-tightness between mouth is filled, to improve the using effect of self priming pump.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the side view of embodiment；
Fig. 3 is the enlarged diagram in A portions in Fig. 2；
Fig. 4 is the enlarged diagram in B portions in Fig. 3；
Fig. 5 is the system block diagram of control device；
Fig. 6 is the circuit diagram of triggering boot portion；
Fig. 7 is the circuit diagram for resetting input unit.
Reference：1st, motor；2nd, housing；3rd, suction chamber；4th, pressurized tank；5th, water inlet；6th, water filling port；7th, delivery port；
8th, plug screw；9th, installing port；901st, screw thread mouth；902nd, connector；10th, linkage section；101st, thread segment；102nd, connection end；11st, lead to
Hole；12nd, rubber ring；13rd, stopper slot；14th, storage tank；15th, limited block；16th, stepper motor；17th, mounting groove；18th, rack；19、
Gear；20th, boot portion is triggered；201st, tongue tube；202nd, magnet ring；203rd, delay circuit；21st, input unit is resetted；211st, button；
22nd, control device.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, a kind of Self-priming pump, including motor 1, housing 2, be connected to the housing 2 suction chamber 3 and
It is connected in the pressurized tank 4 of suction chamber 3, housing 2 and is provided with impeller（Not shown in figure）, the output shaft of motor 1 extend into housing 2
It is connected on impeller, water inlet 5 is provided with the side wall of suction chamber 3, the top of suction chamber 3 is provided with water filling port 6 and delivery port 7,
It is provided with water filling port 6 to sealed plug screw 8.
With reference to shown in Fig. 2 and Fig. 3, the installing port 9 communicated with inside it is connected with suction chamber 3, pressurized tank 4 is provided with company
Section 10 is connect, linkage section 10 offers the through hole 11 communicated with inside it along its axial direction, and the linkage section 10 is installed on this by screw thread
In installing port 9.
In the present embodiment, installing port 9 includes screw thread mouth 901 and connector 902, screw thread mouth 901 and connector 902 it
Between be in ladder pattern distribution, the aperture of screw thread mouth 901 is less than the aperture of connector 902.
Linkage section 10 includes thread segment 101 and connection end 102, in stepped point between thread segment 101 and connection end 102
Cloth, and diameter of the diameter less than connection end 102 of thread segment 101, when mounted, screw thread are threadedly connected to by thread segment 101
Mouth 901, connection end 102 is housed in the screw thread installation that linkage section 10 and installing port 9 are completed in connector 902.
Wherein, the rubber ring 12 contradicted with the end face of linkage section 10 is provided with installing port 9.
With reference to shown in Fig. 3 and Fig. 4, stopper slot in stopper slot 13, the present embodiment is offered along its circumference on linkage section 10
13 are arranged on connection end 102；Storage tank 14 in storage tank 14, the present embodiment is offered on the inwall of installing port 9 to be arranged on
In connector 902, end is slidably fitted with the storage tank 14 can protrude from the limited block 15 of its notch.
Wherein, the cross section of installing port 9 is rectangular is set, and the cross section of screw thread mouth 901 and connector 902 is rounded
Set, therefore, there is an even curface at the top of installing port 9.Stepper motor 16 is installed on the top of installing port 9,
The drive mechanism for driving limited block 15 to slide is connected with the output shaft of the stepper motor 16.
Drive mechanism includes the mounting groove 17 being vertically arranged, and one end of mounting groove 17 is communicated with the external world and the other end is with housing
Groove 14 is communicated, and rack 18 is slidably fitted with mounting groove 17, and gear 19, rack are provided with the output shaft of stepper motor 16
18 one end is fixed on limited block 15 and the other end is meshed with gear 19.
The self priming pump also includes triggering boot portion 20, control device 22 and resets input unit 21.
Triggering boot portion 20 and reset input unit 21 are electrically connected in control device 22.
With reference to shown in Fig. 4 and Fig. 6, triggering boot portion 20 is used to trigger when linkage section 10 is seal-installed in installing port 9,
And a trigger signal is exported after preset time；Triggering drive division includes tongue tube 201, magnet ring 202 and delay circuit 203；It is dry
Reed pipe 201 is arranged on the interface in installing port 9 between screw thread mouth 901 and connector 902, and magnet ring 202 is socketed in linkage section
On thread segment 101 in 10.
Delay circuit 203, it has triggering end and output end, and its triggering end is coupled to tongue tube 201, the coupling of its output end
In control device 22, when linkage section 10 is seal-installed in installing port 9, the triggering tongue tube 201 of magnet ring 202 is turned on to be prolonged with triggering
When circuit 203 start, delay circuit 203 exports corresponding trigger signal to control device after preset time from its output end
22。
The circuit diagram of delay circuit 203 is as shown in fig. 6, delay circuit 203 is integrated using 555 delay circuits 203.
Tongue tube 201 by magnet ring 202 turn on and introduce low level signal to PNP type triode Q1 base stage when, three
Pole pipe Q1 is turned on, and then 555 timing chips are powered.During energization, voltage vcc charges to electric capacity C1, forms charging current, the electric current
Flow through after resistance R2, voltage formed in resistance R2 upper end, the voltage is higher than the triggering level of the pin of 555 timing chip 2, therefore,
555 timing chips are not triggered.When electric capacity C1 is fully charged, charging current disappears so that the loss of voltage of resistance R2 upper ends, so that
2 pin of 555 timing chips are triggered, 3 pin of 555 timing chips export the reset signal of high level to the input of control device 22
End.
With reference to shown in Fig. 4 and Fig. 5, control device 22 is electrically connected to stepper motor 16, and in response to trigger signal control
Stepper motor 16 rotates the insertion of limited block 15 being fitted in stopper slot 13.
Control device 22 includes main control unit and electric-motor drive unit.
Main control unit is in response to trigger signal, and the pwm signal that output driving stepper motor 16 is rotated forward；Electric-motor drive unit
In response to the pwm signal to control stepper motor 16 to rotate forward certain number of turns so that limited block 15, which is just fitted together to, to be entered
Into stopper slot 13.
With reference to shown in Fig. 2 and Fig. 7, resetting input unit 21 has some interfaces, and each interface is coupled with a button 211,
The button 211 is installed on the outer wall of suction chamber 3, and the reset input unit 21 is used to only detect and default part of interface coupling
The button 211 connect exports a reset signal to control device 22 when being simultaneously operated.Button 211 can use electric capacity in the present embodiment
Button 211.
Resetting input unit 21 includes：
Interface one, its one end is coupled to voltage vcc；
Interface two, its one end is coupled to voltage vcc；
Interface three, its one end is coupled to voltage vcc；
Interface four, its one end is coupled to voltage vcc；
Phase inverter one, its one end is coupled to the other end of interface one；
With gate circuit one, it has first input end, the second input and output end, and its first input end is coupled to interface
Two other end, its second input is coupled to the other end of interface three；
Phase inverter two, its one end is coupled to the other end of interface four；
With gate circuit two, it has first input end, the second input, the 3rd input and output end, its first input
End is coupled to the output end of phase inverter one, and its second input is coupled to the output end with gate circuit one, its 3rd input coupling
The output end of phase inverter two is connected to, its output end is coupled to control device 22.
Main control unit in control device 22 receives the reset signal, and in response to reset signal, is walked with output driving
The pwm signal that stepper motor 16 is inverted；Electric-motor drive unit is in response to the pwm signal to control stepper motor 16 to rotate backward one
The fixed number of turns so that limited block 15 departs from from stopper slot 13, to facilitate user to screw out pressurized tank 4 from installing port 9.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, protection domain of the present utility model is determined by appended claim.
Claims (6)
1. a kind of Self-priming pump, including motor (1), housing (2), be connected to the housing (2) suction chamber (3) and connection
Pressurized tank (4) in suction chamber (3), the suction chamber (3) is provided with the installing port (9) communicated with inside it, the pressurized tank
(4) provided with the linkage section (10) communicated with inside it, linkage section (10) screw thread is installed in the installing port (9), and it is special
Levying is, in addition to：
Stopper slot (13), its circumference is opened on the outer wall of linkage section (10)；
Storage tank (14), it is opened on the inwall of installing port (9), and being slidably fitted with end in the storage tank (14) can protrude from
The limited block (15) of its notch；
Stepper motor (16), it is connected with for driving on the outer wall of installing port (9) on the output shaft of the stepper motor (16)
The drive member that dynamic limited block (15) is slided；
Boot portion (20) is triggered, for being triggered when linkage section (10) is seal-installed in installing port (9), and after preset time
Export a trigger signal；
Control device (22), it is electrically connected to stepper motor (16), and controls stepper motor (16) to rotate in response to trigger signal
So that limited block (15) insertion is fitted in stopper slot (13)；
Input unit (21) is resetted, it has some interfaces, and each interface is coupled with a button (211), the button (211) is installed
In on the outer wall of suction chamber (3), the reset input unit (21) is used to only detect the button with the coupling of default part of interface
(211) reset signal is exported when being simultaneously operated to control device (22), control device (22) is in response to reset signal to control
Stepper motor (16) processed rotates to depart from limited block (15) from stopper slot (13).
2. Self-priming pump according to claim 1, it is characterized in that, the drive member includes rack (18), Yi Jian
Loaded on the gear (19) on stepper motor (16) output shaft, one end of the rack (18) is connected and the other end with limited block (15)
The outer wall for being based in installing port (9) is meshed with gear (19).
3. Self-priming pump according to claim 1, it is characterized in that, the triggering boot portion (20) includes：
Tongue tube (201), it is arranged in installing port (9)；
Magnet ring (202), it is socketed on linkage section (10)；
Delay circuit (203), it has triggering end and output end, and its triggering end is coupled to tongue tube (201), the coupling of its output end
In control device (22), when linkage section (10) is seal-installed in installing port (9), magnet ring (202) triggering tongue tube (201) is led
Time delay circuit (203) startup is passed to, delay circuit (203) is after preset time from the corresponding triggering letter of its output end output
Number to control device (22).
4. Self-priming pump according to claim 3, it is characterized in that, the delay circuit (203) uses 555 delay circuits
It is integrated.
5. Self-priming pump according to claim 1, it is characterized in that, the control device (22) includes：
Main control unit, in response to the trigger signal and the reset signal, and exports corresponding pwm signal；
Electric-motor drive unit, in response to the pwm signal with control the stepper motor (16) rotate.
6. Self-priming pump according to claim 1, it is characterized in that, the reset input unit (21) includes：
Interface one, its one end is coupled to voltage vcc；
Interface two, its one end is coupled to voltage vcc；
Interface three, its one end is coupled to voltage vcc；
Interface four, its one end is coupled to voltage vcc；
Phase inverter one, its one end is coupled to the other end of interface one；
With gate circuit one, it has first input end, the second input and output end, and its first input end is coupled to interface two
The other end, its second input is coupled to the other end of interface three；
Phase inverter two, its one end is coupled to the other end of interface four；
With gate circuit two, it has first input end, the second input, the 3rd input and output end, its first input end coupling
The output end of phase inverter one is connected to, its second input is coupled to the output end with gate circuit one, its 3rd input is coupled to
The output end of phase inverter two, its output end is coupled to control device (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027298.4U CN206513574U (en) | 2017-01-11 | 2017-01-11 | Self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027298.4U CN206513574U (en) | 2017-01-11 | 2017-01-11 | Self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513574U true CN206513574U (en) | 2017-09-22 |
Family
ID=59864374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720027298.4U Active CN206513574U (en) | 2017-01-11 | 2017-01-11 | Self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513574U (en) |
-
2017
- 2017-01-11 CN CN201720027298.4U patent/CN206513574U/en active Active
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