Mini-type electromagnetic vibration pump and encapsulating method thereofTechnical field
The present invention relates to electromagnetic pump, is a kind of Mini-type electromagnetic vibration pump and encapsulating method thereof.
Background technique
Electromagnetic pump is a kind of energising fluid be in magnetic field, to the pump of certain orientation flowing under electromagnetic force; Its principle is specifically: electric current forms alternating magnetic field by electromagnetism winding, utilize the interaction of electric current in magnetic field and conductive fluid, make fluid be subject to electromagnetic force and produce pressure gradient, form interaction effect with the movable pump housing, the drive pump housing vibrates, thus propelling fluid movement output.Therefore, this type of electromagnetic pump or be called electro magnetic vibration pump, some of them Mini-type electromagnetic vibration pump is widely used in household electronic products, as: electric iron, coffee machine, cleaning machine etc. need the household electric appliance of infusing that supply water, these electrical equipment adopt the Mini-type electromagnetic vibration pump that this class formation is simple, volume is light and handy, safe and reliable, to meet the requirement of its structure and technical purpose.
This type of electro magnetic vibration pump as the application number 200910005490.3 disclosed in Chinese patent literature, publication date on July 15th, 2009, denomination of invention " a kind of electromagnetic vibration pump with non-return ventilation valve ", this electromagnetic vibration pump includes electromagnetic vibration pump body, waterexit end on electromagnetic vibration pump body is connected with water outlet connecting tube, the water outlet end position be connected with high-tension apparatus at this water outlet connecting tube is provided with the safety check preventing high pressure air from refluxing, the pipe shaft of water outlet connecting tube is provided with vent valve, a chamber is had in the valve body of described vent valve, one end of this chamber communicates with the tube chamber connecting port of water outlet connecting tube, the vent that the other end of this chamber communicates with outside air communicates, the cross-sectional sizes of vent is less than the cross-sectional sizes of this chamber, described chamber can the ventilation spool of play built with one, this ventilation spool and vent cooperatively interact, it makes ventilation spool play by electric and magnetic oscillation and the principle making and have self-absorption function to electromagnetic vibration pump that realizes ventilating, thus saves traditional elastic assemblies, improves mass-produced efficiency, reduces the cost of product.But its defect is: the strength of action of pump core is less, thus cause flow large not, the inadequate stable equilibrium of pressure; Meanwhile, there is unreasonable factor in its structure, thus when causing work, noise is excessive; And because the medium of pump core work is in water, shortened operating life.
Summary of the invention
For overcoming above-mentioned deficiency, the object of the invention is to provide a kind of follow-on Mini-type electromagnetic vibration pump to related domain, making it solve the not good enough technical problem of existing like product structural design, production technology and material.Its objective is and to be achieved through the following technical solutions.
A kind of Mini-type electromagnetic vibration pump, coil and plunger tube is provided with in the magnet case of this electro magnetic vibration pump, pump core is provided with in plunger tube, concentrating flux sleeve is provided with outside plunger tube, one end of magnet case is connected with one end of the pump housing by screw, be provided with pump core print seat, water outlet non-return head, water outlet non-return head spring in the pump housing, the neck of pump core is inserted in pump core print seat, is provided with an O shape and encloses between pump core print seat and pump core; Pump core print seat is connected with one end of plunger tube by pump core pad, is provided with the 3rd O shape and enclose between pump core pad and pump core, and the effect that the 3rd O shape is enclosed is the noise of minimizing pump core when motion, also can adopt other shapes, as: the seal ring of square, X-shaped.The other end of plunger tube is connected with water intake, is provided with the 4th O shape circle between water intake and plunger tube; The water outlet of the pump housing the other end is provided with water outlet non-return head, and the internal diameter between water outlet non-return head and water outlet is provided with water outlet non-return head spring; Center hole between described water intake, plunger tube, pump core, pump core print seat, the pump housing communicates, and is provided with pump core non-return head between described pump core and pump core print seat; Drive pump core to-and-fro motion in plunger tube after coil electricity, thus make water body in plunger tube flow to water outlet; Wherein, the water outlet non-return head of water outlet prevents the water body of water outlet from refluxing, and the pump core non-return head of pump core prevents the water body in plunger tube from refluxing.Its structural design main points be described pump core water intake in be provided with into water non-return head, water inlet only passes back through and is fixed in water intake into water non-return headstock, is provided with into water non-return head spring between water inlet non-return headstock and water inlet non-return head.The water inlet non-return head of water intake prevents the water body of water intake from refluxing; Meanwhile, the integrated design of its water intake, water inlet sealing head, water inlet non-return head spring, water inlet non-return headstock, facilitates the installation between water intake and magnet case, plunger tube, concentrating flux sleeve.
Meanwhile, described pump core non-return head is arranged in pump core print seat, and pump core non-return head is pin taper, and the pin cone end of pump core non-return head is inserted in the center hole hole of pump in-core, and pump core non-return head is stopped at the aperture of the center hole of pump in-core; The pin cone end of pump core non-return head is connected with pump core by pump in-core spring, and pump in-core spring is stopped at the center hole of pump in-core by the motion of pump core, and the central hole of the pump in-core of pump in-core spring is provided with only spring ball.The structure of pump core non-return head is made up of the pump in-core spring in the pin taper pump core non-return head proportioning pump core print seat neck being arranged at pump core bore mouth, its to entering the water body non-return of pump housing water outlet from pump core, anti-backflow effect is better.
Plunger tube between described pump core and concentrating flux sleeve is made up of thin-walled compactron; the material of thin-walled compactron adopt not temperature influence and change, not easily get rusty, wear-resisting material (as stainless steel, copper, aluminium or other alloy materials) makes, pump core coordinates with plunger tube small―gap suture.The magnetic field that above-mentioned plunger tube not only fully absorbs, utilize coil to produce, increase magnetic property, increase the strength of action of pump core, thus make pressure stable equilibrium more, structure is more reasonable and practical, and the antirust Cutting free of energy, extends operating life; Described pump core adopts stainless steel soft magnetic alloy to make, and the antirust Cutting free of energy, extends operating life; The neck roughness of pump core is minute surface, ensure that the stability of flow and pressure, durable in use at high frequencies.
The described pump housing and pump core print seat are split-type structural.Be convenient to improve non-return head installation precision.
Be provided with pump core upper spring between described pump core and pump core pad, between pump core and water inlet non-return headstock, be provided with pump core lower spring.Pump core upper spring and pump core lower spring are that the reciprocal effect of pump core under magnetic fields is better, and namely left and right reset effect is better.
The pump core end external diameter of described plunger tube is provided with retaining washer, is provided with the 2nd O shape circle between retaining washer, plunger tube, pump core print seat.Sealing effect between retaining washer, plunger tube, pump core print seat, pump core pad is improved further.
The concentrating flux sleeve of described plunger tube external diameter comprises the first concentrating flux sleeve and the second concentrating flux sleeve, and be provided with magnetic shield between the first concentrating flux sleeve and the second concentrating flux sleeve, magnetic shield becomes to be integrated with coil.Said structure makes the two ends to-and-fro motion effect of pump core in plunger tube improve further, and namely middle end produces the environment of relative low-intensity magnetic field.
Coil in described magnet case is provided with and draws pin, draws pin and stretches out magnet case, and the Security of coil is improved further.
Be provided with vent valve between the water outlet non-return head of the described pump housing and pump core non-return head, vent valve communicates with the pump housing, and the Security of electro magnetic vibration pump is improved further.
According to said structure feature, its encapsulating method is: described water intake, plunger tube, pump core pad, pump core print seat, the pump housing connect and compose confined space successively, water intake, pump core, water outlet is provided with in this confined space, water intake is provided with into water non-return head, the neck finish of pump core is provided with pump core non-return head, the pumping hole of the pump housing is provided with water outlet non-return head, and water inlet non-return head, pump core non-return head, water outlet non-return head constitute three one-way valve mechanisms.Said structure improves the degree of vacuum of this electro magnetic vibration pump, and water outlet, pump core, water intake constitute a confined space.Like this, can fully stablize water and be extruded therein, ensure stability when exporting pressure maximum, improve water pump packing effect, make this electro magnetic vibration pump also have large discharge under a large pressure.
The present invention is rational in infrastructure, and Assembling Production is convenient, and use and install simply, Security, stability, good airproof performance, Product Precision is high; The Mini-type electromagnetic vibration pump being suitable as household electronic products uses, ex hoc genus anne the architecture advances of electro magnetic vibration pump.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present invention.
Fig. 2 is modified model sectional structure schematic diagram of the present invention.
Figure number and title: 1, water outlet non-return head, 2, pump in-core spring, 201, only spring ball, 3, one O shape circle, 4, 2nd O shape circle, 5, 3rd O shape circle, 6, screw, 7, pump core, 8, first concentrating flux sleeve, 9, magnetic shield, 10, second concentrating flux sleeve, 11, pump core lower spring, 12, coil, 13, water inlet non-return headstock, 14, water intake, 15, water inlet non-return head, 16, water inlet non-return head spring, 17, 4th O shape circle, 18, plunger tube, 19, magnet case, 20, pump core upper spring, 21, retaining washer, 22, pump core pad, 23, pump core print seat, 24, pump core non-return head, 25, water outlet non-return head spring, 26, the pump housing, 27, draw pin, 28, vent valve.
Embodiment
Now by reference to the accompanying drawings, structure of the present invention and working principle are further described.As shown in Figure 1, the water outlet non-return head spring 25 of this vibration electromagnetic pump fastens with the fixing muscle of water outlet in the pump housing 26, water outlet non-return head 1 and water outlet non-return head spring fasten, and one end neck of pump core print seat 23 is inserted in the water outlet end of the pump housing, and is stopped at the boss of pump housing internal diameter; The circumferential ring of the pump core print seat the other end is inserted in pump core pad 22, be provided with an O shape between pump core pad and pump core print seat and enclose 3, the internal diameter of the pump housing is inserted in retaining washer 21, be provided with the 2nd O shape between retaining washer and pump core print seat and enclose 4, above-mentioned water outlet non-return head spring, water outlet non-return head, pump core print seat, pump core pad, retaining washer and the pump housing are connected as a single entity.The internal diameter of water intake 14 is inserted into water non-return head 15, water inlet non-return head spring 16 is inserted in the internal diameter of water intake, and fasten with water inlet non-return head, water inlet non-return headstock 13 screws with the internal diameter of water intake, and water inlet non-return head and water inlet non-return head spring are fixed in the internal diameter of water intake.The neck finish of pump core 7 arranges the pump core non-return head 24 of pin taper, the pin cone end of pump core non-return head is fixedly connected with one end of pump in-core spring 2, pump in-core spring is arranged at the neck internal diameter of pump core, pump core only passes back through the neck finish that pump in-core spring is stopped at pump core, and the central hole of the pump in-core of pump in-core spring is provided with only spring ball 201.Magnet case 19 built-in enter coil 12, first concentrating flux sleeve 8, magnetic shield 9, second concentrating flux sleeve 10 connect successively, and insert the internal diameter of magnet case, be i.e. the center hole of coil, above-mentioned parts form coil block.The water intake that combinations thereof completes inserts the center hole of coil, and plunger tube 18 is inserted in the center hole of coil, and one end is connected with water intake, and joint is provided with the 4th O shape circle 17; Pump core lower spring 11 is inserted in plunger tube, and one end and water intake offset, and the pump core retainer plate that combinations thereof completes enters in plunger tube, and the neck external diameter of pump core arranges the 3rd O shape circle 5, and pump core upper spring 20 is inserted in plunger tube, and one end and the pump core of pump core upper spring offset; The pump housing that above-mentioned composition completes is inserted in the neck of pump core, and is fixedly connected with magnet case by screw 6, and the other end of pump core upper spring can offset with pump core pad, and this vibration electromagnetic pump can assemble.
In said structure, retaining washer, in the circumferential ring of the pump housing and plunger tube, makes to form circumferential groove between the pump housing and the junction plane of plunger tube, and liner the one O shape circle, the 2nd O shape circle carry out sealing and reach sealing effect; Pump core front end is built in pump core print seat, and offers circumferential groove between pump core and pump core print seat junction plane, is inside lined with seal ring, and seal ring adopts fluorine rubber design of material to become O shape to enclose and seals; The junction plane place of pump core print seat and plunger tube is lined with pump core pad, silencer pad is equipped with between the step surface of pump core pad and pump core, reduce the noise of work phase mutual friction, also have pump core upper spring to support between pump core pad and pump core, make the to-and-fro motion like a cork in plunger tube of pump core.
As shown in Figure 1, when the pump housing connects high-tension apparatus, pressurized gas make water outlet non-return head close; When anhydrous in this electro magnetic vibration pump, when starting working, due to the coil magnetic field work of this electro magnetic vibration pump, make pump core to left movement, due to hysteresis effect, pump core non-return head departs from the neck finish of pump core, pump core non-return head is opened, and water flow into the hydraulic fluid chamber in the pump housing; Simultaneously because magnetic field is alternating magnetic field, make again pump core move right, due to hysteresis effect, pump core non-return head is pressed in the neck finish of pump core again, and pump core non-return head is closed; And when hydraulic pressure is enough large in the hydraulic fluid chamber in the pump housing, being greater than the hydraulic pressure of water outlet, water outlet non-return head overcomes the elasticity strength of non-return head spring, and water outlet non-return head is opened; Water flows to the water outlet of the pump housing, and simultaneously the water inlet non-return head of water inlet answers formation vacuum state hydraulic fluid chamber in and inspiration water, successively reciprocating action, completes the function of this electro magnetic vibration pump.
Invention increases magnetic property, increase the strength of action of pump core, thus make pressure stable equilibrium more, structure is more reasonable and practical.Meanwhile, as shown in Figure 2, according to said structure and working principle, the apparent architecture advances of those skilled in the art is carried out to the present invention, also will fall into protection scope of the present invention.As: the coil in magnet case is provided with and draws pin 27, draws pin and stretches out magnet case; Be provided with vent valve 28 between the water outlet non-return head of the pump housing and pump core non-return head, vent valve communicates with the pump housing.