CN2685609Y

CN2685609Y - Electromagnetic pump

Info

Publication number: CN2685609Y
Application number: CN 200420024648
Authority: CN
Inventors: 安礼伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-02-11
Filing date: 2004-02-11
Publication date: 2005-03-16
Anticipated expiration: 2014-02-11

Abstract

The utility model relates to an electromagnetic pump. After a long work, the one-way valve abrasion of the intake line does not influence the resetting, and the liquid back flow of the intake line does not appear. The electromagnetic pump comprises a support bracket which comprises an exhaust pipeline formed by a pressing plate joint, a front valve base and a front one-way valve, a pump chamber formed by a front valve base, a pump column, a front one-way valve and a rear one-way valve, a pump column, and the suction pipeline formed by a pump column, a core duct, a rear one-way valve and a rear valve base. The periphery of the pump column is provided with electromagnetic coils; a spring is installed between the pump column and the rear valve base; the pump column driven by the electromagnetic coils and the spring is repeatedly moved to have the electromagnetic pump sucked and exhausted. The utility model is characterized in that a baffle ring is arranged on the combination of the pump column and with the front valve base and the pump column; the rear one-way valve is composed of a valve body and a spring applied force to the valve body, and the baffle rings are connected with the spring.

Description

Electromagnetic pump

(1) technical field

The utility model relates to the pump that uses in cooling system or the timing oil injecting lubricating system, is specially electromagnetic pump.

(2) background technique

Existing electromagnetic pump is seen Fig. 1, it comprises an intake line 10 and a discharge conduit 5 that links to each other with the pump chamber 7 of electromagnetic pump 1, and the intake line 10 of pump 1, discharge conduit 5 are respectively by the one-way valve that is positioned at pump chamber 7 imports one side be positioned at the one-way valve control of pump chamber 7 outlet one side and open and closed.Import one side and the one-way valve that exports a side are made up of

ball

9,4 and the

spring

8,3 that respectively

ball

9,4 applied power respectively, spring 6 in the pump chamber 7 connects plunger 2, there is coil 11 periphery of plunger 2, and plunger 2 moves back and forth up and down to form pump suction and discharge effect by the driving of spring 6 and electromagnetic force.The shortcoming of existing electromagnetic pump is exactly that it uses that can to cause that one-way valve resets after ball 9 in the intake line of back and spring 8 wearing and tearing untimely for a long time, like this electromagnetic pump drain moment pump the easy generation backflow phenomenons of intake line 10.

(3) summary of the invention

At existing electromagnetic pump use for a long time be prone to after intake line endosphere and the spring wearing and tearing of back reset untimely, the electromagnetic pump drain moment pump intake line easily produce the shortcoming of backflow phenomenon, the utility model provides another electromagnetic pump, the wearing and tearing of access one-way valve can not influence it and reset, and the liquid return of intake line more can not occur.

The technical solution of the utility model is like this: it comprises support, comprises the discharge conduit that is formed by pressing plate joint, preceding valve seat and preceding one-way valve in the support; The intake line that pump chamber that preceding valve seat, pump plunger shaft, preceding one-way valve, back one-way valve form and pump plunger shaft, core conduit, back one-way valve, rear valve base form; The periphery of pump plunger shaft is equipped with electromagnetic coil, between pump plunger shaft and the rear valve base spring is installed, pump plunger shaft is driven by electromagnetic coil and spring and moves back and forth suction and the discharge that realizes electromagnetic pump, the binding site that it is characterized in that pump plunger shaft and preceding valve seat, baffle ring is installed on the pump plunger shaft, described back one-way valve is formed by valve body and to the spring that this valve body applies power, and described baffle ring connects described spring.

It is further characterized in that in the described discharge conduit, on the valve seat baffle ring is installed before the binding site of preceding valve seat and pressing plate joint, described before one-way valve form by valve body and to the spring that this valve body applies power, described baffle ring connects described spring; Described valve body is a cone.

The utility model adopts after the said structure, because the resetting of the one-way valve of intake line is what the acting in conjunction by the active force of pump plunger shaft and spring realized, pump plunger shaft automatically resets under the effect of spring during the electromagnetic pump oil extraction like this, hydraulic pressure when plunger is also up with the one-way valve contact of intake line in the pump chamber just can increase, thereby the hydraulic pressure that increases makes the up electromagnetic pump drain that makes of one-way valve of discharge conduit, thereby it is untimely to have avoided in the prior art one-way valve of intake line to reset, and can occur the shortcoming that intake line refluxes during the electromagnetic pump drain.

(4) description of drawings

Fig. 1 is the sectional view of the plan view of existing electromagnetic pump;

Fig. 2 is the sectional view of plan view of the present utility model;

(5) embodiment

See Fig. 2, it comprises support 4, comprises the discharge conduit a that is formed by pressing plate joint 1, preceding valve seat 19 and preceding one-way valve in the support 4; The intake line c that pump chamber b that preceding valve seat 19, pump plunger shaft 15, preceding one-way valve, back one-way valve form and pump plunger shaft 15, core conduit 14, back one-way valve, rear valve base 13 form; The periphery of pump plunger shaft 15 is equipped with electromagnetic coil 6, between pump plunger shaft 15 and the rear valve base 13 spring 8 is installed, pump plunger shaft 15 is driven by electromagnetic coil 6 and spring 8 and moves back and forth suction and the discharge that realizes electromagnetic pump, the binding site of pump plunger shaft 15 and preceding valve seat 19, back baffle ring 18 is installed on the pump plunger shaft 15, back one-way valve is formed by valve body 16 and to the spring 17 that this valve body applies power, and back baffle ring 18 connects springs 17.In the discharge conduit a, on the valve seat 19 baffle ring 22 is installed before the binding site of preceding valve seat 19 and pressing plate joint 1, preceding one-way valve is formed baffle ring 22 connection springs 21 by valve body 20 and to the spring 21 that this valve body applies power; Valve body the 16, the 20th, cone.To wind electromagnetic coil 6 about 2000 circles when the utility model is installed earlier on the skeleton 7, certainly also can be more, decide according to the power of pump, then will skeleton 7 pack plastic packaging 5 on every side, the two ends of coil place outside the plastic packaging, connect power supply after connecting diode during use.Skeleton 7 is installed on support 4, core conduit 14 is penetrated the cavity of skeleton 7, Fig. 2 SMIS conduit 14 has two-layer pipeline, the vessel layers of close skeleton is divided into three sections along the cavity of skeleton, the pump plunger shaft 15 that the back one-way valve will be installed then stretches in the core conduit 14, below core conduit 14, press-fit spring 8 and rear valve base 13, pressing plate joint 11 successively, binding site between rear valve base 13 and core conduit 14, the pressing plate joint 11 is installed seal ring 12 respectively, again pressing plate 10 is set in pressing plate joint 11, it is connected with support 4 usefulness screws 9.Preceding one-way valve is installed on preceding valve seat 19, again preceding valve seat 19 is installed on pump plunger shaft 15, pressing plate joint 1 is installed on preceding valve seat 19 then, preceding valve seat 19 is separately installed with seal ring with the preceding valve seat 19 of the binding site of pressing plate joint 1 and core conduit 14, overlap top board 2 at last, same pressing plate 2 is connected with support 1 usefulness screw 3.During the work of this electromagnetic pump, electromagnetic coil 6 passes to the monophasic pulses if electric current, it is descending that coil 6 peripheral electromagnetic fields produce electromagnetic force driving pump plunger shaft 15, pump plunger shaft 15 is by baffle ring 18, the hydraulic pressure that spring 17 drives in the descending together such pump chamber b of cone 16 reduces, liquid in the intake line c will back down cone 16 and enter pump chamber b, when magnetic field disappears, it is up that spring 8 promotes pump plunger shaft 15, pump plunger shaft 15 contacts pusher mantle body 16 with cone 16 up, it is up that hydraulic pressure in the pump chamber b increases promotion cone 20, liquid in the pump chamber b will be discharged, and the active force of the magnetic force of discontinuity and spring 8 makes pump plunger shaft 15 to-and-fro motion realize that so electromagnetic pump sucks and drain.

Claims

1, electromagnetic pump, it comprises support, comprises the discharge conduit that is formed by pressing plate joint, preceding valve seat and preceding one-way valve in the support; The intake line that pump chamber that preceding valve seat, pump plunger shaft, preceding one-way valve, back one-way valve form and pump plunger shaft, core conduit, back one-way valve, rear valve base form; The periphery of pump plunger shaft is equipped with electromagnetic coil, between pump plunger shaft and the rear valve base spring is installed, pump plunger shaft is driven by electromagnetic coil and spring and moves back and forth suction and the discharge that realizes electromagnetic pump, the binding site that it is characterized in that pump plunger shaft and preceding valve seat, baffle ring is installed on the pump plunger shaft, described back one-way valve is formed by valve body and to the spring that this valve body applies power, and described baffle ring connects described spring.

2, electromagnetic pump according to claim 1, it is characterized in that in the described discharge conduit, before on the valve seat baffle ring is installed before the binding site of valve seat and pressing plate joint, described preceding one-way valve is formed by valve body and to the spring that this valve body applies power, described baffle ring connects described spring.

3, electromagnetic pump according to claim 1 and 2 is characterized in that described valve body is a cone.