CN2623898Y - Differential type electromagnetic pump - Google Patents
Differential type electromagnetic pump Download PDFInfo
- Publication number
- CN2623898Y CN2623898Y CN 03222453 CN03222453U CN2623898Y CN 2623898 Y CN2623898 Y CN 2623898Y CN 03222453 CN03222453 CN 03222453 CN 03222453 U CN03222453 U CN 03222453U CN 2623898 Y CN2623898 Y CN 2623898Y
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- Prior art keywords
- plunger
- joint
- liquid
- hole
- electromagnetic pump
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Abstract
The utility model relates to a differential motion type electromagnetic pump, which comprises a coil winding connected with an outer cover, an electromagnetic iron core and a liquid incoming joint as well as a liquid discharging joint; wherein, the liquid incoming joint is arranged inside and connected with the electromagnetic iron core, and also is solidly connected with the liquid discharging joint that is connected with the outer cover. The liquid incoming joint is internally provided with a step trapezoid shaped plunger with axial movement. The middle axle part of the plunger with successively reducing axial radius has an axial direction overflow hole that is communicated with the axial direction liquid hole. The small axle part of the plunger stretches inside the liquid receiving joint. The liquid discharging joint internally provided with the spraying nozzle is provided with a valve seat at the discharging opening. A single way valve connected with the valve seat props up the spraying nozzle liquid incoming opening. The single way valve arranged at the other lateral of the spraying nozzle supports the liquid discharging opening of the plunger. A spring is arranged between the lateral end of the large axle for the plunger and the cavity internal end surface of the liquid incoming joint. Therefore, the utility model has the advantages of simple and compact structure, small area, light weight, reliable and steady operation, little noise, long service life and high liquid flow rate.
Description
Technical field
The utility model relates to a kind of reciprocating pump that is used for the transmitting fluid medium, especially relates to a kind of differential type electromagnetic pump.
Background technique
The reciprocating pump of tradition conveyance fluid medium all needs motor as power source, and reciprocating to finish the conveying of flowing medium by piston or plunger in the drive part drive pump housing.But because this reciprocal pump structure is made of the pump housing of power section, drive part and execution part etc., make reciprocating pump bulky, complex structure, functional reliability is poor, energy consumption height not only, and also maintenance load is big.For overcoming above-mentioned defective, existing a kind ofly come driven plunger or the reciprocating electromagnetic pump of plunger to realize that flowing medium is carried by electromagnetic force, as the disclosed electromagnetic pump of CN2049694U, be to make plunger reciprocating by the electromagnetic force that coil produces, during plunger motion, pump again after by pressure reduction the flowing medium of inlet being sucked, and improve the pressure and the flow of flowing medium by the radially overflow hole on the plunger.But this kind electromagnetic pump is taken over by water inlet adapter and water outlet that the end cap that passes through separately is connected with housing, take over the inner metal sleeve that is tightly connected with water inlet adapter and water outlet, and the plunger of doing axial motion in metal sleeve constitutes, because the link of this electromagnetic pump and the Sealing of rapid wear are more, make the electromagnetic pump complex structure, especially water outlet adapter and inner metal sleeve are to realize sealing by sealing block set, seal ring and sealing trim ring, not only mounting or dismounting inconvenience, cause maintenance difficult, and the more functional reliability of electromagnetic pump that also makes of easily damaged parts descends.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, compact, reliable operation, and the differential type electromagnetic pump of long service life.
The utility model is that the technological scheme that achieves the above object is: a kind of differential type electromagnetic pump, comprise the coil winding and electromagnetic core and liquid inlet joint and the fluid joint that are connected with housing, it is characterized in that: liquid inlet joint is installed in the electromagnetic core hole, and be connected with fluid joint sealing on being connected housing, be provided with the trapezoidal plunger of axially movable level in the liquid inlet joint, the plunger that the diameter of axle successively decreases successively wherein shaft portion has the radially overflow hole that communicates with its axial liquid hole, the little shaft portion of plunger extends in the fluid joint, in be provided with nozzle the fluid joint in its outlet port valve seat is housed, the one-way valve that joins with valve seat withstands on the nozzle liquid entering hole, the one-way valve that is contained in the nozzle opposite side withstands on the liquid outlet of plunger, between one side of the big shaft portion of plunger and the liquid inlet joint cavity interior edge face spring is housed, another side of the big shaft portion of plunger and the interior edge face of fluid joint are equipped with spring.
The utility model adopts the advantage after the technique scheme to be: the first, liquid inlet joint of the present utility model is to be set directly in the electromagnetic core, and plunger is arranged in the liquid inlet joint, cancelled inner metal sleeve, therefore liquid inlet joint can directly be connected with the fluid joint sealing, produce at coil electricity under the effect of elastic force of energy-storaging spring of electromagnetic force and plunger both sides, make plunger in liquid inlet joint and fluid joint, make axially reciprocating.Because cancelled the Sealing between link such as inner metal sleeve, sealing block set, sealing trim ring and each link, not only simple in structure, compact, volume is little, in light weight, and the Sealing of rapid wear, improves the functional reliability of electromagnetic pump.The second, directly be provided with nozzle in the fluid joint of the present utility model, simplified the sealing configuration of fluid joint and nozzle greatly, can further improve sealability.The 3rd, electromagnetic pump of the present utility model, because simple in structure, component are few, and technology capability is good, and easy accessibility is not only easily realized modularization production, but also is convenient to maintenance.Four, the utility model is respectively equipped with energy storage and plays the spring of buffer function in the two side ends of the big shaft portion of plunger, can reduce when plunger is made axially reciprocating and impact and vibrations, reduces the noise of electromagnetic pump effectively, the working life of prolongation electromagnetic pump.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the side diagrammatic sketch of Fig. 1.
Embodiment
As Fig. 1, differential type electromagnetic pump shown in 2, comprise coil winding 4, electromagnetic core 5, liquid inlet joint 1 and fluid joint 14, coil winding 4 is made of skeleton and the coil that is wound on the skeleton, and coil winding 4 is insulated resin-encapsulated, two electromagnetic cores 5 are arranged in the coil winding 4, and by middle part setting sleeve 6 location, this setting sleeve 6 is overall structure with skeleton or is the branch body structure, coil winding 4 and electromagnetic core 5 are contained in the housing 3, this housing 3 is the totally enclosed type metal shell, or this housing 3 as shown in Figure 1, by the open type metal shell that anchor ear constitutes, housing 3, electromagnetic core 5 and plunger 7 constitute magnetic loop, and pin 20 or lead-in wire directly link to each other with coil winding 4, communicate with power supply by pin 20 or lead-in wire, make coil 4 energisings produce electromagnetic force.
Liquid inlet joint 1 of the present utility model is installed in electromagnetic core 5 holes, fluid joint 1 can directly be sealedly connected on the housing 3, or be tightly connected by end cap 11 and housing 3, see Fig. 1, end cap 11 is connected on the housing 3 by fastening, and end cap 11 has the terraced from inside to outside terraced hole of level that subtracts, the hole of end cap 11 inboards and the convex shoulder of liquid inlet joint 1 join, and by the seal ring 10 and liquid inlet joint 1 sealing of convex shoulder one side, fluid joint 14 its inboard convex shoulders are contained in end cap 11 mider holes also by the interior edge face clamping of seal ring 12 with end cap 11 apertura lateralises.Therefore liquid inlet joint 1 and fluid joint 14 linkage structures are simple, and sealing is reliable, and is not only easy for installation, also are convenient to maintenance.
Be provided with the trapezoidal plunger 7 of axially movable level in the liquid inlet joint 1, plunger 7 is made by the rust free, wear resistance material, the diameter of axle of plunger 7 successively decreases successively and is made of large, medium and small three parts, the little shaft portion of plunger 7 extends in the fluid joint 14, and fluid joint 14 seals by seal ring 13 with the little shaft portion of plunger 7, when producing electromagnetic force behind the coil electricity plunger 7 is moved axially in liquid inlet joint 1 and fluid joint 14.As shown in Figure 1, the axial liquid hole of plunger 7 little shaft portions is less than the axial liquid hole of big, axis part, at the axis of plunger 7 the radially overflow hole 7-1 that communicates with its axial liquid hole arranged partly, increases the pressure and the flow of flowing medium by overflow hole 7-1 radially.Be provided with nozzle 17 in the fluid joint 1, nozzle 17 is fixedly connected in the fluid joint 14, or nozzle 17 is made overall structure with fluid joint 14, with simplified structure, the internal thread in fluid joint 14 outlet ports is connected with valve seat 15, one-way valve 16 is contained in the water output connector 14 liquid outlets that join with valve seat 15 and withstand on nozzle 17, and the one-way valve 18 that is contained in nozzle 17 opposite sides withstands on plunger 7 liquid outlets.For reduce vibration and the impact that plunger 7 produces in the to-and-fro motion process, between plunger 7 big shaft portion one sides and the liquid inlet joint 1 cavity interior edge face spring 2 is housed, the interior edge face of plunger 7 big shaft portion opposite side ends and fluid joint 14 is equipped with spring 8, to improve working life.For reducing the wearing and tearing to fluid joint end face, the inner side surface of fluid joint 14 also has baffle plate 19, and an end and the baffle plate 19 of spring 8 join.
Be further to improve the sealability of electromagnetic pump, the liquid outlet of plunger 7 little shaft portions is spherical arc shape or taper, and with ball valve close the joining of surface of one-way valve 18, and the liquid outlet of the nozzle 17 of fluid joint 14 also is spherical arc shape or taper, joins with the sphere of one-way valve 16 is close.
The utility model is when work, and Ac is supplied with coil winding 4 and produced magnetic field formation electromagnetic force after the rectification of secondary half-wave pipe, and makes plunger 7 beginning to-and-fro motion under the elastic force effect of spring 2,8.When plunger 7 during from liquid entering hole one side direction liquid outlet one side shifting, pressure spring 8, plunger 7 moves right in liquid inlet joint 1 and fluid joint 14, because the swept volume of liquid inlet joint 1 front portion increases gradually, pressure reduces the formation parital vacuum gradually, at this moment two one- way valve 18,16 is closed, flowing medium sucks the pump housing under atmospheric effect, when swept volume reaches maximum value, increasing and push one- way valve 18,16 open because of fluid medium pressure, flowing medium is discharged, and segment fluid flow is by radially overflow hole 7-1 outflow.When the disappearance of pressure reduction, at the effect lower plunger 7 of the elastic force of spring 8 from liquid outlet to liquid entering hole one side shifting, the segment fluid flow medium is got back in the liquid hole of plunger and is discharged, and to closing to the interior one-way valve 18 of plunger 7 and the one-way valve 16 at nozzle 17 places, circulates with this.
Claims (8)
1, a kind of differential type electromagnetic pump, comprise the coil winding (4) and electromagnetic core (5) and liquid inlet joint (1) and the fluid joint (14) that are connected with housing (3), it is characterized in that: liquid inlet joint (1) is installed in electromagnetic core (5) hole, and be tightly connected with the fluid joint (14) that is connected on the housing (3), be provided with axially movable level trapezoidal plunger (7) in the liquid inlet joint (1), the plunger that the diameter of axle successively decreases successively (7) wherein shaft portion has the radially overflow hole (7-1) that communicates with its axial liquid hole, the little shaft portion of plunger (7) extends in the fluid joint (14), in be provided with nozzle (17) fluid joint (14) valve seat (15) is housed in its outlet port, the one-way valve (18) that joins with valve seat (15) withstands on nozzle (16) liquid entering hole, the one-way valve (18) that is contained in nozzle (16) opposite side withstands on the liquid outlet of plunger (7), between one side of the big shaft portion of plunger (7) and liquid inlet joint (1) the cavity interior edge face spring (2) is housed, another side of the big shaft portion of plunger (7) and the interior edge face of fluid joint (14) are equipped with spring (8).
2, differential electromagnetic pump according to claim 1, it is characterized in that: the end cap (11) that is fixedly connected on the housing (3) has the terraced from inside to outside terraced hole of level that subtracts, the hole that end cap (11) is inboard and the convex shoulder of liquid inlet joint (1) join, and by the seal ring (10) and liquid inlet joint (1) sealing of convex shoulder one side, its inboard convex shoulder of fluid joint (14) is contained in end cap (11) mider hole also by the interior edge face clamping of seal ring (12) with end cap (11) apertura lateralis.
3, differential type electromagnetic pump according to claim 1 is characterized in that: the liquid hole end surface of the little shaft portion of described plunger (7) is spherical arc shape or taper, matches with the ball valve of one-way valve (18).
4, according to claim 1 or 3 described differential electromagnetic pumps, it is characterized in that: described plunger (7) is made by the rust free, wear resistance material.
5, differential electromagnetic pump according to claim 1 and 2 is characterized in that: described housing (3) is the totally enclosed type housing.
6, differential type electromagnetic pump according to claim 1 and 2 is characterized in that: the open type metal shell that described housing (3) is made of anchor ear.
7, differential type electromagnetic pump according to claim 1 is characterized in that: the side that the nozzle (17) of described fluid joint (14) is positioned at one-way valve (16) is the spherical arc shape taper, and matches with the sphere of one-way valve (16).
8, differential type electromagnetic pump according to claim 1 is characterized in that: the inner side surface of described fluid joint (14) also has baffle plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03222453 CN2623898Y (en) | 2003-06-03 | 2003-06-03 | Differential type electromagnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03222453 CN2623898Y (en) | 2003-06-03 | 2003-06-03 | Differential type electromagnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2623898Y true CN2623898Y (en) | 2004-07-07 |
Family
ID=34245258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03222453 Expired - Fee Related CN2623898Y (en) | 2003-06-03 | 2003-06-03 | Differential type electromagnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2623898Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787501B (en) * | 2004-12-10 | 2010-05-12 | 松下电器产业株式会社 | Radiation noise suppression circuit for differential transmission line |
| CN105697262A (en) * | 2014-11-28 | 2016-06-22 | 台达电子工业股份有限公司 | Electromagnetic type reciprocating pump |
-
2003
- 2003-06-03 CN CN 03222453 patent/CN2623898Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787501B (en) * | 2004-12-10 | 2010-05-12 | 松下电器产业株式会社 | Radiation noise suppression circuit for differential transmission line |
| CN105697262A (en) * | 2014-11-28 | 2016-06-22 | 台达电子工业股份有限公司 | Electromagnetic type reciprocating pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |