CN101709694B - Electromagnetic vibration pump - Google Patents

Abstract

The invention relates to a pump, in particular to an electromagnetic vibration pump which is designed to solve the technical problem of poor structure and liquid conveying effect of the traditional congeneric product. The electromagnetic vibration pump adopts the design key point that a one-way valve in the water inlet direction comprises a non-return head, a pump core internal spring, a movable pump core, a fixed pump core and a magnetic isolation pipe, wherein the pump core internal spring is installed in the movable pump core; one end of the pump core internal spring is clamped at the junction position between a big through hole and a small through hole in the movable pump core, and the other end is connected with the non-return head; the non-return head is sealed and butted with the opening end of the small through hole of the movable pump core; the fixed pump core is fixedly connected with the end part of a water inlet in the magnetic isolation pipe and provided with a through hole connected with the water inlet; a pump core spring is installed between the movable pump core and the fixed pump core; and the pump body is sealed and connected with the magnetic isolation pipe by a fixed sleeve and a seal ring. The invention has compact structure and more stable liquid conveying and is suitable for being used as the structure improvement of a domestic small pump and the congeneric product.

Description

Electro magnetic vibration pump

Technical field

The present invention relates to the pump class, is a kind of electro magnetic vibration pump.

Background technique

General small-sized family expenses pump often is applied to small household appliances, as the water supply liquid conveying device of electric iron, coffee machine, cleaning machine etc.The patent No. ZL200620101024.7 of existing associated electrical magnetic pumping such as Chinese patent literature publication, on April 4 2007 notice of authorization day, the model utility name is called " a kind of electro magnetic vibration pump ".The patent No. ZL200720138655.0 of Chinese patent literature publication for another example, on May 27 2009 notice of authorization day, the model utility name is called " electro magnetic vibration pump ".The patent No. ZL200820120783.7 of Chinese patent literature publication and for example, on April 22 2009 notice of authorization day, the model utility name is called " electromagnetic pump ".Above-mentioned three kinds of patents are a kind of small-sized family expenses pump, all pass through the do action of water inlet and two one-way valves of water outlet, reach the transfusion effect of pump.Existing known technology is to adopt between conductive coil and the ac power supply to be connected diode, realize the circulation break-make of coil by diode, promptly realize the break-make of coil magnetic conduction, thereby the pump core that drives the pump housing is made corresponding shuttling movement, the motion of pump core makes one-way valve work, finally realizes the transfusion function of electro magnetic vibration pump.But above-mentioned three kinds of patents are still waiting further improvement on structure and transfusion effect, and are wherein not good enough for the reliability and stability of electromagnetism conduction on the structure, thereby the effect that causes infusing is not good enough.

Summary of the invention

For overcoming above-mentioned deficiency, the objective of the invention is provides a kind of electro magnetic vibration pump to related domain, makes it solve existing like product structure and the not good enough technical problem of transfusion effect.Its objective is and be achieved through the following technical solutions.

A kind of electro magnetic vibration pump, this oscillating column pump is made of the pump housing, plunger tube, elastic one-way valve, calutron, its middle pump body has water outlet, plunger tube has water intake, water intake, water outlet, elastic one-way valve are same straight line and distribute, the elastic one-way valve comprises the into one-way valve of water and water outlet both direction, and the one-way valve of water outlet direction is made of plug, plug spring, the pump housing, pump core print seat, and calutron is made of conductive coil, concentrating flux sleeve.Its main points are that the one-way valve of described water inlet direction is made of non-return head, pump in-core spring, movable pump core, mounted pump core, plunger tube, by movable pump in-core installing pump in-core spring, pump in-core spring one end is stuck in the intersection of movable pump in-core large through-hole and small through hole, the other end connects the non-return head, the opening end sealing of non-return head and movable pump core small through hole offsets, the mounted pump core is water intake end in the fixedly connected plunger tube, and the mounted pump core has the through hole that links to each other with water intake, is equiped with pump core spring between movable pump core and the mounted pump core.This electro magnetic vibration pump has mainly carried out architecture advances to the one-way valve of water inlet direction with respect to existing electro magnetic vibration pump, the one-way valve of water inlet direction is set to movable pump core and mounted pump core two-part, by setting up the mounted pump core, make that the magnetic property between movable pump core and the mounted pump core is better, guarantee the stability of output pressure maximum, thereby also strengthened the stability of transfusion.The mode that adopts non-return head connection pump in-core spring and movable pump core to be connected as a single entity makes movable pump core drive first motion of non-return, compares existing electro magnetic vibration pump and adopts the mode of plug to be fixed in the position of pump core print seat liquid outlet, has the liquid ability of better leading to.Be tightly connected by fixed cover, seal ring between the described pump housing and the plunger tube.Because electromagnetic pump profile own is less, comparatively difficult with the project organization connection of screw, so adopt fixed cover, connect comparatively simple and reliable by riveted joint.

Install jump ring between the water intake of described plunger tube and the end face of coil case, make between plunger tube and the coil case be connected comparatively firm.

Described plunger tube is with described concentrating flux sleeve, movable pump core in concentrating flux sleeve and the plunger tube, the mounted pump core is corresponding, described concentrating flux sleeve middle part is provided with magnetic shield, concentrating flux sleeve plays the effect of indirect magnetic conduction and buffering, because the magnetic that conductive coil produced is instantaneous, be that conductive coil gets the electric magnetic field that then produces at once, conductive coil dead electricity then magnetic field disappears at once, if movable pump core and mounted pump core are directly through the conductive coil magnetic conduction, then can reliable adhesive taking place because of magnetic conduction changes between too fast and feasible movable pump core and the mounted pump core, causes this electro magnetic vibration pump transfusion effect relatively poor.So set up concentrating flux sleeve, when conductive coil produces magnetic field, the concentrating flux sleeve magnetic conduction, when the magnetic field of conductive coil disappears at once, the magnetic of concentrating flux sleeve can not disappear at once, promptly play a kind of effect that cushions magnetic conduction, made to produce effective adhesive between movable pump core and mounted pump core, thereby strengthened the stability that this electro magnetic vibration pump is infused.

Described concentrating flux sleeve and magnetic shield are connected as a single entity, the convenient installation.

Be provided with an O type circle between described movable pump core and the pump core packing ring, be provided with the 2nd O type circle between described movable pump core and the pump core print seat, first, second O type encloses the effect of sealing and damping, and damping can effectively reduce the operating noise of this electro magnetic vibration pump.

Compact structure of the present invention, it is comparatively stable to infuse, and is suitable as the architecture advances of household small-size pump and like product.

Description of drawings

Fig. 1 is a sectional structure schematic representation of the present invention, and arrow is represented water inlet and water outlet direction among the figure.

Above figure number and title: 1, the pump housing, 2, plug, 3, the pump core print seat, 301, liquid outlet, 4, seal ring, 5, plunger tube, the 6, the one O type circle, the 7, the 2nd O type circle, 8, coil case, 9, conductive coil, 10, movable pump core, 11, pump core spring, 12, mounted pump core, 13, jump ring, 14, water intake, 15, concentrating flux sleeve, 16, magnetic shield, 17, pump in-core spring, 18, pump core packing ring, 19, fixed cover, 20, non-return head, 21, the plug spring, 22, water outlet.

Embodiment

Now in conjunction with the accompanying drawings, structure of the present invention and working principle are further described.

The pump housing 1 is tightly connected by fixed cover 19 and seal ring 4 with plunger tube 5 and constitutes the housing of this electro magnetic vibration pump, is connected with plug spring 21, plug 2, pump core print seat 3, movable pump core 10, pump core spring 11, mounted pump core 12 in the housing.Wherein plug connects the plug spring, and offsets with liquid outlet 301 sealings of pump core print seat, the mandrel of the endoporus connection activity pump core of pump core print seat, and be respectively equipped with an O type circle 6 and the 2nd O type circle 7 between pump core print seat and movable pump core and movable pump core and the pump core packing ring 18.Movable pump in-core is connected with pump in-core spring 17, this pump in-core spring one end is stuck in movable pump in-core large through-hole and small through hole intersection, the other end connects non-return head 20, non-return head and the sealing of movable pump in-core small through hole opening end offset, be connected with pump core spring between movable pump core and the mounted pump core, water intake 14 ends in the fixedly connected plunger tube of mounted pump core.Plunger tube is externally connected to conductive coil 9 and coil case 8, and the position with respect to movable pump core and mounted pump core on the plunger tube is with concentrating flux sleeve 15, is with magnetic shield 16 between concentrating flux sleeve and the concentrating flux sleeve, concentrating flux sleeve and magnetic shield or be connected as a single entity.Be connected with jump ring 13 on the pipe of the end of coil case and plunger tube water intake.

Working principle: by to conductive coil energising, conductive coil produces magnetic field to the magnetic conductive tube magnetic conduction, and two magnetic conductive tubes are more respectively to movable pump core and mounted pump core magnetic conduction, makes movable pump core and the relative movement of mounted pump core, promptly so-called electric and magnetic oscillation.Because conductive coil is to connect ac power supply by diode, thus conductive coil with periodic conducting and disconnection, thereby make periodic magnetic conduction of magnetic conductive tube and demagnetization.When the magnetic conductive tube magnetic conduction, movable pump core is inhaled mutually with the mounted pump core, and when the magnetic conductive tube demagnetization, movable pump core separates with the mounted pump core under the effect of pump core spring and resets, and promptly finishes a work cycle.When movable pump core is inhaled mutually with the mounted pump core, produce vacuum chamber between movable pump core and the pump core print seat, this vacuum chamber and water intake produce pressure difference, when this pressure difference reaches maximum, the non-return head that movable pump in-core connects pump in-core spring is backed down by pressure, promptly realized " imbibition " action of this electro magnetic vibration pump, liquid enters in the vacuum chamber through the through hole of water intake, mounted pump core and movable pump core.When movable pump core and non-return head reset under pump core spring and the spring action of pump in-core respectively, Returnning spring produces a thrust to movable pump core, the liquid that this thrust promotes in the vacuum chamber moves to pump core print seat liquid outlet, make the pressure of pump core print seat liquid outlet increase, until this pressure plug is backed down, liquid flows out through pump core print seat liquid outlet, pump housing water outlet 22, promptly realized " fluid " action of this electro magnetic vibration pump, this moment, the pressure of pump core print seat liquid outlet reduced, and made plug reset under the effect of plug spring.Above process has promptly been finished a work cycle of this electro magnetic vibration pump.

Claims (5)

1. electro magnetic vibration pump, this oscillating column pump is made of the pump housing (1), plunger tube (5), elastic one-way valve, calutron, its middle pump body has water outlet (22), plunger tube has water intake (14), water intake, water outlet, elastic one-way valve are same straight line and distribute, the elastic one-way valve comprises the into one-way valve of water and water outlet both direction, the one-way valve of water outlet direction is made of plug (2), plug spring (21), the pump housing (1), pump core print seat (3), and calutron is made of conductive coil (9), concentrating flux sleeve (15); The one-way valve that it is characterized in that described water inlet direction is by non-return head (20), pump in-core spring (17), movable pump core (10), mounted pump core (12), plunger tube (5) constitutes, by movable pump in-core installing pump in-core spring, pump in-core spring one end is stuck in the intersection of movable pump in-core large through-hole and small through hole, the other end connects the non-return head, the opening end sealing of non-return head and movable pump core small through hole offsets, the mounted pump core is water intake end in the fixedly connected plunger tube, and the mounted pump core has the through hole that links to each other with water intake (14), is equiped with pump core spring (11) between movable pump core and the mounted pump core; Be tightly connected by fixed cover (19), seal ring (4) between the described pump housing and the plunger tube.

2. according to the described electro magnetic vibration pump of claim 1, it is characterized in that installing jump ring (13) between the end face of the water intake (14) of described plunger tube (5) and coil case (8).

3. according to the described electro magnetic vibration pump of claim 1, it is characterized in that described plunger tube (5) is with described concentrating flux sleeve (15).

4. according to claim 1 or 3 described electro magnetic vibration pumps, it is characterized in that described concentrating flux sleeve (15) and magnetic shield (16) are connected as a single entity.

5. according to the described electro magnetic vibration pump of claim 1, it is characterized in that being provided with an O type circle (6) between described movable pump core (10) and the pump core packing ring (18), be provided with the 2nd O type circle (7) between described movable pump core (10) and the pump core print seat (3).

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