CN207813874U - High pressure micro pump and coffee machine - Google Patents
High pressure micro pump and coffee machine Download PDFInfo
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- CN207813874U CN207813874U CN201820116599.9U CN201820116599U CN207813874U CN 207813874 U CN207813874 U CN 207813874U CN 201820116599 U CN201820116599 U CN 201820116599U CN 207813874 U CN207813874 U CN 207813874U
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Abstract
A kind of high pressure micro pump of the utility model offer and coffee machine, high pressure micro pump include pump main body, pump case, motor, deceleration mechanism and connecting rod；Pump main body and motor body are separately mounted on the two neighboring outer wall of pump case, and motor driving shaft stretches into pump case and provides driving force to deceleration mechanism, and motor is less than the power drives of 36v by voltage；Deceleration mechanism and connecting rod are respectively positioned in pump case, and deceleration mechanism includes auxiliary driving gear, and the velocity of rotation of auxiliary driving gear is less than the velocity of rotation of drive shaft, and an end wall of auxiliary driving gear axial direction is equipped with eccentric shaft；Connecting rod one end is connected on eccentric shaft, and the other end is equipped with diaphragm, and connecting rod can move back and forth in pump case and diaphragm deformation is driven to make to generate positive pressure or negative pressure in pump main body.Motor, which only needs the voltage of very little to drive, can obtain compared with large driving force, and pump main body obtains larger pressure, increases safety in utilization.
Description
Technical field
The utility model is related to micro pump fields, specifically, being that be related to a kind of high pressure to work at low voltage micro-
Type water pump and coffee machine with the high pressure micro pump.
Background technology
Existing micro pump is to provide circular motion by motor, then so that the diaphragm inside water pump is done by mechanical device past
Composite motion under check valve sheet effect, forms positive pressure at discharge outlet, is drawing water to compress, stretch the air in pump chamber
Vacuum is formed at mouthful, to generate pressure difference between external atmosphere pressure.Under the action of pressure difference, hydraulic pressure is entered into water inlet, then
It is discharged from discharge outlet.This micro pump is well used in occasions such as small household appliances, medical instruments.
But existing micro pump is to need big coil or motor by 220V voltages or high-voltage direct-current electric drive
Driving, the volume of this micro pump is larger, is not suitable for driving using low-tension supply, be also not suitable in the small space such as coffee machine
It installs and uses.
Invention content
The main purpose of the utility model be to provide it is a kind of it is simple in structure, pressure is high, small and can use low electricity
Press the high pressure micro pump of driving.
The another object of the utility model is to provide a kind of coffee machine with above-mentioned high pressure micro pump, and the high pressure is miniature
The structure of water pump is simple, pressure is high, small and can use low voltage drive.
To realize above-mentioned main purpose, the utility model provides a kind of high pressure micro pump, including pump main body, pump case,
Motor, deceleration mechanism and connecting rod；Motor includes motor body and drive shaft, pumps main body and motor body is separately mounted to pump case
On adjacent the first outer wall and the second outer wall, drive shaft stretches into pump case and provides driving force to deceleration mechanism, and motor is by electricity
Power drives of the pressure less than 36v；Deceleration mechanism is located in pump case, and deceleration mechanism includes auxiliary driving gear, auxiliary driving gear
Velocity of rotation is less than the velocity of rotation of drive shaft, is provided with eccentric shaft on an end wall of auxiliary driving gear axial direction, and the first of connecting rod
End is connected on eccentric shaft, and the second end of connecting rod is equipped with diaphragm, and the second end of connecting rod is connected to the center of diaphragm, connecting rod
It can reciprocatingly move in pump case, connecting rod drives diaphragm deformation, pump main body to generate positive pressure or negative pressure.
By said program as it can be seen that motor improves driving force after the deceleration of deceleration mechanism, thus motor only need it is smaller
Voltage driving can be obtained compared with large driving force, to make high pressure micro pump obtain larger pressure, increase the safety used
Property.In addition, the motor is small, can be mounted in the internal electric appliance with small space such as coffee machine.
To realize that above-mentioned another object, the utility model provide a kind of coffee machine, including coffee machine shell, coffee brewing list
Member and high pressure micro pump, coffee brewing unit and high pressure micro pump are respectively positioned on coffee machine enclosure interior, high pressure micro pump
For the water filling into coffee brewing unit, high pressure micro pump includes pump main body, pump case, motor, deceleration mechanism and connecting rod；Electricity
Machine includes motor body and drive shaft, pumps main body and motor body is separately mounted to outside adjacent the first outer wall and second of pump case
On wall, drive shaft stretches into pump case and provides driving force to deceleration mechanism, and motor is less than the power drives of 36v by voltage；Subtract
Fast mechanism is located in pump case, and deceleration mechanism includes auxiliary driving gear, and the velocity of rotation of auxiliary driving gear is less than turning for drive shaft
Speed is moved, is provided with eccentric shaft on an end wall of auxiliary driving gear axial direction, the first end of connecting rod is connected on eccentric shaft, connecting rod
Second end is equipped with diaphragm, and the second end of connecting rod is connected to the center of diaphragm, and connecting rod can reciprocatingly move in pump case,
Connecting rod drives diaphragm deformation, pump main body to generate positive pressure or negative pressure.
By said program as it can be seen that motor improves driving force after the deceleration of deceleration mechanism, thus motor only need it is smaller
Voltage driving can be obtained compared with large driving force, to make high pressure micro pump obtain larger pressure, increase the safety used
Property.In addition, the motor is small, can be mounted in the small space inside coffee machine.
One Preferable scheme is that, deceleration mechanism further includes main drive gear, and the diameter of auxiliary driving gear is more than main transmission
The diameter of gear, main drive gear are fixedly mounted on the driving shaft, and auxiliary driving gear is engaged with main drive gear.
One Preferable scheme is that, offer recessing groove and eccentric shaft mounting hole on connecting rod, recessing groove along connecting rod length
Direction is spent to extend, the end of drive shaft stretches into recessing groove, and eccentric shaft is installed in eccentric shaft mounting hole, eccentric shaft mounting hole with
Eccentric shaft clearance fit.
It can be seen that the setting of recessing groove prevents the drive shaft of motor from generating interference with connecting rod so that connecting rod movement is more suitable
Freely.
One Preferable scheme is that, deceleration mechanism further includes worm screw, and auxiliary driving gear is worm gear, and one axial end of worm screw is fixed
On the driving shaft, the teeth portion of worm screw is engaged with worm gear for installation.
One Preferable scheme is that, pump main body includes valve seat, and valve seat is mounted on the first outer wall of pump case, and diaphragm is located at
Between valve seat and pump case, it is provided with anti-skid bulge at the position at the edge of diaphragm on valve seat, anti-skid bulge is supported with diaphragm
It connects.
It can be seen that the setting of anti-skid bulge increases the frictional force between the inner wall of valve seat and diaphragm, prevent diaphragm from
It falls off in diaphragm mounting groove.
Further embodiment is that pump main body further includes lid, and valve seat is provided between lid and pump case in valve seat
Intake tunnel and exhalant canal are provided with water inlet pipe and outlet pipe on lid, and water inlet pipe is connected to intake tunnel, outlet pipe with go out
Aquaporin be connected to, balancing gate pit is formed between valve seat and diaphragm, intake tunnel and exhalant canal be connected tos with balancing gate pit, valve seat and
It is equipped between lid into Water Check Valve piece and goes out Water Check Valve piece, be located at the entrance of outlet pipe into Water Check Valve piece and water outlet is led to
Between the outlet in road, goes out Water Check Valve piece and be located between the outlet and the entrance of intake tunnel of water inlet pipe.
It can be seen that into Water Check Valve piece and going out Water Check Valve piece with lid and valve body formation check valve, it is convenient for high pressure
Micro pump realizes its function.
Further scheme is, into Water Check Valve piece and goes out Water Check Valve piece and is set on substrate, is offered on substrate
Two non-return valve block mounting holes into Water Check Valve piece and go out Water Check Valve piece and are located in two non-return valve block mounting holes, into
Water Check Valve piece is connected to by the first rib on substrate, and the first rib includes orthogonal two the first bending parts, two
First bending part is connected on Water Check Valve piece and substrate；Go out Water Check Valve piece and substrate is connected to by the second rib
On, the second rib includes orthogonal two the second bending parts, and two the second bending parts are connected to out Water Check Valve piece
On substrate.
It can be seen that due to being connect into Water Check Valve piece with substrate by the first rib, and the first rib is by two phases
Mutually the first vertical bending part is constituted, thus is easier to move on the direction perpendicular to substrate into Water Check Valve piece, to protect
Into the completely plugged exhalant canal of Water Check Valve piece when card water inlet；The setting of second rib is used Water Check Valve piece and is easier to vertical
It is moved on the direction of substrate, to go out the completely plugged intake tunnel of Water Check Valve piece when ensureing water outlet.Into Water Check Valve piece and
Go out Water Check Valve piece and be arranged to integral structure, be easily installed, can also make into Water Check Valve piece and goes out Water Check Valve piece with nature
Work status.
One Preferable scheme is that, valve seat is equipped with the first recess portion and the second recess portion, and the entrance of intake tunnel is located at first
In recess portion, the inlet in the first recess portion close to intake tunnel is provided with the first support column；It is convex it to be provided with first in second recess portion
The outlet of column, exhalant canal is located at the first pillar end；Third recess portion is equipped on lid at position corresponding with the first recess portion,
The second pillar is provided in third recess portion, the outlet of water inlet pipe is located at the second pillar end；It is corresponding with the second recess portion on lid
Position at be equipped with the 4th recess portion, the entrance of outlet pipe is located in the 4th recess portion, the inlet of close outlet pipe in the 4th recess portion
It is provided with the second support column；Into Water Check Valve piece between the first pillar and the second support column, it can be covered into Water Check Valve piece
The outlet of lid exhalant canal；Go out Water Check Valve piece between the second pillar and the first support column, going out Water Check Valve piece can cover
The outlet of lid water inlet pipe.
It can be seen that when diaphragm is deformed to far from balancing gate pit side, when balancing gate pit generates negative pressure, go out Water Check Valve piece and into
Water Check Valve piece is moved to the first recess portion and the second recess portion respectively, the outlet until blocking exhalant canal into Water Check Valve piece, together
When go out Water Check Valve piece and abutted with the first support column, it is logical that water from the gap gone out between Water Check Valve piece and the first recess portion flows into water inlet
Enter balancing gate pit behind road and is stored in balancing gate pit；When diaphragm is deformed to close to balancing gate pit side, and balancing gate pit generates positive pressure, go out
It Water Check Valve piece and is moved respectively to third recess portion and the 4th recess portion into Water Check Valve piece, water inlet is blocked until going out Water Check Valve piece
The outlet of pipe, while being abutted into Water Check Valve piece with the second support column, the water in balancing gate pit is from recessed into Water Check Valve piece and the 4th
Gap between portion flows into the entrance of outlet pipe, and then is discharged from outlet pipe so that high pressure micro pump realizes its function.
One Preferable scheme is that, the center of diaphragm has columnar fixed part, and fixed part is perpendicular to diaphragm watch
Extend outwardly from the surface of diaphragm on the direction in face, the outer end of fixed part is fixedly connected with the second end of connecting rod, in pump case
Offer the open slot through the first outer wall, fixed position is in open slot and can the activity in open slot.
It can be seen that during motor drive link moves, it can prevent connecting rod and the first outer wall of pump case from generating
Interference.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model coffee machine embodiment mesohigh micro pump.
Fig. 2 is the sectional view of the utility model coffee machine embodiment mesohigh micro pump.
Fig. 3 is that the utility model coffee machine embodiment mesohigh micro pump hides the vertical view after the roof of pump case.
Fig. 4 be lid in the utility model coffee machine embodiment, the first visual angle of valve seat, diaphragm and connecting rod STRUCTURE DECOMPOSITION
Figure.
Fig. 5 be lid in the utility model coffee machine embodiment, the second visual angle of valve seat, diaphragm and connecting rod STRUCTURE DECOMPOSITION
Figure.
Fig. 6 is the structural schematic diagram of valve seat in the utility model coffee machine embodiment.
Fig. 7 is the structural schematic diagram of lid in the utility model coffee machine embodiment.
Fig. 8 is to go out Water Check Valve piece in the utility model coffee machine embodiment, show into the structure of Water Check Valve piece and substrate
It is intended to.
Fig. 9 is the schematic diagram of the utility model coffee machine embodiment mesohigh micro pump in the first state.
Figure 10 is the schematic diagram of the utility model coffee machine embodiment mesohigh micro pump in the second condition.
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Specific implementation mode
Referring to Fig. 1 and Fig. 2, the coffee machine of the present embodiment includes coffee machine shell, coffee brewing unit and high pressure Miniature water
Pump, coffee brewing unit and high pressure micro pump are respectively positioned on coffee machine enclosure interior, and high pressure micro pump is used for coffee brewing
Water filling in unit.High pressure micro pump includes pump main body, pump case 1, motor 2, deceleration mechanism, connecting rod 5.Deceleration mechanism includes phase
Main drive gear 3, the auxiliary driving gear 4 of engagement.Pump main body include valve seat 7, into Water Check Valve piece 71, go out 72 and of Water Check Valve piece
Lid 8.
Motor 2 includes motor body 21 and drive shaft 22, pumps main body and motor body 21 is separately mounted to the side of pump case 1
Outside on wall 13 and bottom wall 11 and positioned at pump case 1, drive shaft 22 stretch into pump case 1 and provide driving to deceleration mechanism
Power, motor 2 are less than the power drives of 36v by voltage.Preferably, power supply is battery.Voltage is that the battery of 4V or so can be driven
High pressure micro pump works, and the portability of high pressure micro pump is improved while improving using installation, convenient for being pacified
In the small space of coffee machine.Optionally, high pressure micro pump can also be connect by USB interface with low-tension supply.Preferably,
Motor 2 is fractional motor.
Auxiliary driving gear 4 is meshed with main drive gear 3 and the diameter of auxiliary driving gear 4 is more than main drive gear 3
Diameter, so that the velocity of rotation of auxiliary driving gear is less than the velocity of rotation of drive shaft.Main drive gear 3, auxiliary driving gear 4
And connecting rod 5 is respectively positioned in pump case 1, main drive gear 3 is fixedly mounted in drive shaft 22, and the center of auxiliary driving gear 4
The both ends of axis 42 are respectively rotatably supported on the roof 12 and bottom wall 11 of pump case 1.
Being axially away from the end wall of 2 side of motor for auxiliary driving gear 4 is provided with eccentric shaft 41.The first end of connecting rod 5
It being connected on eccentric shaft 41, the second end of connecting rod 5 is equipped with diaphragm 6, and the second end of connecting rod 5 is connected to the center of diaphragm 6,
Connecting rod 5 can reciprocatingly move in pump case 1, and connecting rod 5 drives the deformation of diaphragm 6 that pump main body is made to generate positive pressure or negative pressure.On connecting rod 5
Offer recessing groove 51 and eccentric shaft mounting hole, recessing groove 51 extends along the length direction of connecting rod, 2 drive shaft 22 of motor it is upper
End is stretched into recessing groove 51, can prevent connecting rod 5 from generating interference with drive shaft 22 during the motion.Eccentric shaft 41 is installed on partially
In mandrel mounting hole, eccentric shaft mounting hole and 41 clearance fit of eccentric shaft.
Valve seat 7 is mounted on the side wall 13 of pump case 1, and diaphragm mounting groove 75, film are formed between valve seat 7 and pump case 1
The circumferential edge of piece 6 is pressed in diaphragm mounting groove 75.On valve seat 7 ring is provided at the position at the edge of diaphragm 6
The anti-skid bulge 711 of shape, anti-skid bulge 711 are abutted with diaphragm 6.Anti-skid bulge 711 is used to the edge of diaphragm 6 being pressed on diaphragm
In mounting groove 75.
Referring to Fig. 3 to Fig. 5, valve seat 7 is provided with water inlet pipe 81 and water outlet between lid 8 and pump case 1 on lid 8
Pipe 82 is provided with intake tunnel 73 and exhalant canal 74 in valve seat 7, and water inlet pipe 81 is connected to intake tunnel 73, outlet pipe 82 with
Exhalant canal 74 is connected to.It is formed with balancing gate pit between valve seat 7 and diaphragm 6, intake tunnel 73 and exhalant canal 74 are and balancing gate pit
Connection.
As shown in figure 5, the center of diaphragm 6 has columnar fixed part 61, fixed part 61 is perpendicular to 6 surface of diaphragm
Direction on extend outwardly from the surface of diaphragm 6, there is I-shaped slot, the second end of connecting rod 5 to have for the inside of 61 outer end of fixed part
There is mounting portion 52（Fig. 2 shows）, the shape of mounting portion 52 and the shape of the I-shaped slot of the inside of fixed part 61 match, and install
Portion 52 is inserted into the inside of fixed part 61 to which diaphragm 6 to be fixedly connected with connecting rod 5.
Columned open slot 131 is offered on the side wall 13 of pump case 1, open slot 131 runs through side wall 13, open slot
131 diameter is more than the outer diameter of fixed part 61, and fixed part 61 is located in open slot 131 and can be movable in open slot 131.
Into Water Check Valve piece 71 and go out Water Check Valve piece 72 and be mounted between valve seat 7 and lid 8, into Water Check Valve piece 71
Between the entrance and the outlet of exhalant canal 74 of outlet pipe 82, into Water Check Valve piece 71 for blocking exhalant canal when intaking
74, when water inlet, diaphragm 6 makes balancing gate pit generate negative pressure to far from the deformation of balancing gate pit side, and intake tunnel 73 is connected, exhalant canal 74
Cut-off.Go out Water Check Valve piece 72 to be located between the outlet and the entrance of intake tunnel 73 of water inlet pipe 81, goes out the use of Water Check Valve piece 72
Intake tunnel 73 is blocked when water outlet, when water outlet, diaphragm 6 makes balancing gate pit generate positive pressure, water outlet to close to the deformation of balancing gate pit side
Channel 74 is connected, and intake tunnel 73 ends.
Referring to Fig. 4 and Fig. 6, valve seat 7 is equipped with the first recess portion 76 and the second recess portion 77, and the entrance of intake tunnel 73 is located at the
In one recess portion 76, the inlet of intake tunnel 73 is provided with the first support column 761 in the first recess portion 76.In second recess portion 77
It is provided with the first pillar 771, the outlet of exhalant canal 74 is located at 771 end of the first pillar.
Referring to Fig. 5 and Fig. 7, third recess portion 83, third recess portion are equipped on lid 8 at position corresponding with the first recess portion 76
The second pillar 831 is provided in 83, the outlet of water inlet pipe 81 is located at 831 end of the second pillar；On lid 8 with 77 phase of the second recess portion
The 4th recess portion 84 is equipped at corresponding position, the entrance of outlet pipe 82 is located in the 4th recess portion 84, in the 4th recess portion 84 it is close go out
The inlet of water pipe 82 is provided with the second support column 841.It is located at the first pillar 771 and the second support column into Water Check Valve piece 71
Between 841, the outlet of exhalant canal 74 can be covered in water inlet into Water Check Valve piece 71.Go out Water Check Valve piece 72 and is located at second
Between pillar 831 and the first support column 761, the outlet of water inlet pipe 81 can be covered in water outlet by going out Water Check Valve piece 72.
Referring to Fig. 8, into Water Check Valve piece 71 and go out the generally disc of Water Check Valve piece 72, into Water Check Valve piece 71 and goes out
Water Check Valve piece 72 is set on substrate 70, is opened up on substrate 70 there are two non-return valve block mounting hole 701, into Water Check Valve piece 71
It is located in two non-return valve block mounting holes 701 with Water Check Valve piece 72 is gone out, is connected into Water Check Valve piece 71 by the first rib
It connects on the substrate 70, the first rib includes orthogonal bending part 702 and bending part 703, and bending part 702, which is connected into water, to be stopped
It returns on valve block 71, bending part 703 connects on the substrate 70.Due to being connected into Water Check Valve piece 71 by the first rib and substrate 70
It connects, and the bending part 702 of the first rib and bending part 703 are mutually perpendicular to, thus is easier into Water Check Valve piece 71 vertical
It is moved up to B in the A of substrate 70, into 71 completely plugged exhalant canal 74 of Water Check Valve piece when to ensure water inlet.
Go out Water Check Valve piece 72 to connect on the substrate 70 by the second rib, the second rib includes orthogonal bending part
704 and bending part 705, bending part 704 be connected to out on Water Check Valve piece 72, bending part 705 connect on the substrate 70.Second muscle
The setting of item uses Water Check Valve piece 72 and is easier to move up to B in the A perpendicular to substrate 70, to go out when ensureing water outlet
72 completely plugged intake tunnel 73 of Water Check Valve piece.
Into Water Check Valve piece 71, go out Water Check Valve piece 72 and the integrated molding of substrate 70, such integral structure is not only
It is easily installed, can also make into Water Check Valve piece 71 and goes out Water Check Valve piece 72 and worked with nature.
Referring to Fig. 9 and Figure 10 and Fig. 2 to Fig. 7 is combined, the course of work of the coffee machine of the utility model is made below as follows
Description.
Driving main drive gear 3 rotates after motor 2 is powered, main drive gear 3 drive the auxiliary driving gear 4 that engages with
It is rotated centered on the central shaft of auxiliary driving gear 4, is fixed on the eccentric shaft 41 on auxiliary driving gear 4 in auxiliary driving gear 4
It is rotated centered on mandrel, while connecting rod 5 being driven to move reciprocatingly, connecting rod 5 makes pump main body generate positive pressure or bear with the deformation of dynamic diaphragm 6
Pressure.
When diaphragm 6 is to far from balancing gate pit side motion deformation, when balancing gate pit generates negative pressure, go out Water Check Valve piece 72 and water inlet
Non-return valve block 71 is moved to the first recess portion 76 and the second recess portion 77 respectively, until blocking exhalant canal 74 into Water Check Valve piece 1
Outlet, while going out Water Check Valve piece 72 and being abutted with the first support column 761, high pressure micro pump after water inlet pipe 81 absorbs water, water from
The gap gone out between Water Check Valve piece 72 and the first recess portion 76 enters balancing gate pit after flowing into intake tunnel 73 and is stored in balancing gate pit
In.
When diaphragm 6 is to close to balancing gate pit side motion deformation, when balancing gate pit generates positive pressure, go out Water Check Valve piece 72 and water inlet
Non-return valve block 71 is moved to third recess portion 83 and the 4th recess portion 84 respectively, and going out for water inlet pipe 81 is blocked until going out Water Check Valve piece 72
Mouthful, while being abutted into Water Check Valve piece 71 with the second support column 841, the water in balancing gate pit is from recessed into Water Check Valve piece 71 and the 4th
Gap between portion 84 flows into the entrance of outlet pipe 82, and then is discharged from outlet pipe 82.
In addition, deceleration mechanism can also be designed to the deceleration mechanism of Worm Wheel System, it is secondary wherein in above-described embodiment to pass
Moving gear is worm gear, and one axial end of worm screw is fixedly mounted on the driving shaft, and the teeth portion of worm screw is engaged with worm gear.Deceleration mechanism also may be used
To be designed to the structure that multiple transmission gears are meshed to realize deceleration.
By said program as it can be seen that main drive gear is intermeshed with auxiliary driving gear forms deceleration mechanism, motor is through over-subtraction
After fast mechanism, driving force is improved, therefore motor only needs smaller voltage driving that can obtain compared with large driving force, to make high pressure
Micro pump obtains larger pressure, increases the safety used.In addition, the motor is small, coffee can be mounted on
In small space inside machine, while it can also realize the miniaturization of coffee machine.The high pressure micro pump of the utility model can not only
Applying can also apply on the portable utensil with small space on coffee machine.
Finally, it should be noted that these are only the preferred embodiment of the utility model, but the design structure of the utility model
Think of is not limited thereto, and the change of battery types, the change of connecting rod shape, change of open tank configuration etc. also each fall within this practicality
Within novel protection domain.
Claims (10)
1. high pressure micro pump, which is characterized in that including：
Pump main body, pump case, motor, deceleration mechanism and connecting rod；
The motor includes motor body and drive shaft, and the pump main body and the motor body are separately mounted to the pump case
On adjacent the first outer wall and the second outer wall, the drive shaft stretches into the pump case and provides driving to the deceleration mechanism
Power, the motor are less than the power drives of 36v by voltage；
The deceleration mechanism and the connecting rod are respectively positioned in the pump case, and the deceleration mechanism includes auxiliary driving gear, described
The velocity of rotation of auxiliary driving gear is less than the velocity of rotation of the drive shaft, is arranged on an end wall of the auxiliary driving gear axial direction
There are eccentric shaft, the first end of the connecting rod to be connected on the eccentric shaft, the second end of the connecting rod is equipped with diaphragm, the company
The second end of bar is connected to the center of the diaphragm, and the connecting rod can reciprocatingly move in the pump case, the company
Bar drives the diaphragm deformation, the pump main body to generate positive pressure or negative pressure.
2. coffee machine, including coffee machine shell, coffee brewing unit and high pressure micro pump, the coffee brewing unit and described
High pressure micro pump is respectively positioned on the coffee machine enclosure interior, and the high pressure micro pump is used for into the coffee brewing unit
Water filling, it is characterised in that：
The high pressure micro pump includes pump main body, pump case, motor, deceleration mechanism and connecting rod；
The motor includes motor body and drive shaft, and the pump main body and the motor body are separately mounted to the pump case
On adjacent the first outer wall and the second outer wall, the drive shaft stretches into the pump case and provides driving to the deceleration mechanism
Power, the motor are less than the power drives of 36v by voltage；
The deceleration mechanism and the connecting rod are respectively positioned in the pump case, and the deceleration mechanism includes auxiliary driving gear, described
The velocity of rotation of auxiliary driving gear is less than the velocity of rotation of the drive shaft, is arranged on an end wall of the auxiliary driving gear axial direction
There are eccentric shaft, the first end of the connecting rod to be connected on the eccentric shaft, the second end of the connecting rod is equipped with diaphragm, the company
The second end of bar is connected to the center of the diaphragm, and the connecting rod can reciprocatingly move in the pump case, the company
Bar drives the diaphragm deformation, the pump main body to generate positive pressure or negative pressure.
3. coffee machine according to claim 2, it is characterised in that：
The deceleration mechanism further includes main drive gear, and the diameter of the auxiliary driving gear is more than the straight of the main drive gear
Diameter, the main drive gear are fixedly mounted in the drive shaft, and the auxiliary driving gear is engaged with the main drive gear.
4. coffee machine according to claim 3, it is characterised in that：
Recessing groove and eccentric shaft mounting hole are offered on the connecting rod, the recessing groove prolongs along the length direction of the connecting rod
It stretches, the end of the drive shaft is stretched into the recessing groove, and the eccentric shaft is installed in the eccentric shaft mounting hole, described inclined
Mandrel mounting hole and the eccentric shaft clearance fit.
5. coffee machine according to claim 2, it is characterised in that：
The deceleration mechanism further includes worm screw, and the auxiliary driving gear is worm gear, and one axial end of the worm screw is fixedly mounted on institute
It states in drive shaft, the teeth portion of the worm screw is engaged with the worm gear.
6. according to claim 2 to 5 any one of them coffee machine, it is characterised in that：
The pump main body includes valve seat, and the valve seat is mounted on the first outer wall of the pump case, and the diaphragm is located at described
Between valve seat and the pump case, it is provided with anti-skid bulge at the position at the edge of the diaphragm on the valve seat, it is described
Anti-skid bulge is abutted with the diaphragm.
7. coffee machine according to claim 6, it is characterised in that：
The pump main body further includes lid, and the valve seat is between the lid and the pump case, setting in the valve seat
There are intake tunnel and exhalant canal, water inlet pipe and outlet pipe, the water inlet pipe and the intake tunnel are provided on the lid
Connection, the outlet pipe are connected to the exhalant canal, and balancing gate pit, the water inlet are formed between the valve seat and the diaphragm
Channel and the exhalant canal are connected to the balancing gate pit, are equipped between the valve seat and the lid into Water Check Valve piece
With go out Water Check Valve piece, it is described to be located at into Water Check Valve piece between the entrance and the outlet of the exhalant canal of the outlet pipe,
It is described go out Water Check Valve piece be located at the water inlet pipe outlet the entrance of the intake tunnel between.
8. coffee machine according to claim 7, it is characterised in that：
It is described into Water Check Valve piece and it is described go out Water Check Valve piece be set on substrate, opened up on the substrate there are two check-valves
Piece mounting hole, it is described into Water Check Valve piece and it is described go out Water Check Valve piece be located in two non-return valve block mounting holes,
Described to be connected on the substrate by the first rib into Water Check Valve piece, first rib includes orthogonal two the
One bending part, two first bending parts are connected to described on Water Check Valve piece and the substrate；
It is described go out Water Check Valve piece by the second rib connect on the substrate, second rib includes orthogonal two
A second bending part, two second bending parts be connected to it is described go out Water Check Valve piece and the substrate on.
9. coffee machine according to claim 7, it is characterised in that：
The valve seat is equipped with the first recess portion and the second recess portion, and the entrance of the intake tunnel is located in first recess portion, institute
It states the inlet in the first recess portion close to the intake tunnel and is provided with the first support column；It is provided with first in second recess portion
The outlet of pillar, the exhalant canal is located at first pillar end；
Third recess portion is equipped on the lid at position corresponding with first recess portion, the is provided in the third recess portion
The outlet of two pillars, the water inlet pipe is located at second pillar end；It is corresponding with second recess portion on the lid
The 4th recess portion is equipped at position, the entrance of the outlet pipe is located in the 4th recess portion, close to described in the 4th recess portion
The inlet of outlet pipe is provided with the second support column；
It is described into Water Check Valve piece between first pillar and second support column, it is described can into Water Check Valve piece
Cover the outlet of the exhalant canal；It is described go out Water Check Valve piece between second pillar and first support column,
It is described go out Water Check Valve piece can cover the outlet of the water inlet pipe.
10. according to claim 2 to 5 any one of them coffee machine, it is characterised in that：
The center of the diaphragm has columnar fixed part, and the fixed part is on the direction of the membrane surface
Extend outwardly from the surface of the diaphragm, the outer end of the fixed part is fixedly connected with the second end of the connecting rod, the pump
Offer the open slot of the first outer wall through the pump case on shell, the fixed position is in the open slot and can be
It is movable in the open slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820116599.9U CN207813874U (en) | 2018-01-23 | 2018-01-23 | High pressure micro pump and coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278193A (en) * | 2018-01-23 | 2018-07-13 | 珠海易咖科技有限公司 | High pressure micro pump, coffee machine and its working method |
| CN113417838A (en) * | 2021-06-23 | 2021-09-21 | 江苏大学 | Micropump |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278193A (en) * | 2018-01-23 | 2018-07-13 | 珠海易咖科技有限公司 | High pressure micro pump, coffee machine and its working method |
| CN113417838A (en) * | 2021-06-23 | 2021-09-21 | 江苏大学 | Micropump |
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