CN2623900Y - Electromagnetic pump - Google Patents
Electromagnetic pump Download PDFInfo
- Publication number
- CN2623900Y CN2623900Y CN 03222580 CN03222580U CN2623900Y CN 2623900 Y CN2623900 Y CN 2623900Y CN 03222580 CN03222580 CN 03222580 CN 03222580 U CN03222580 U CN 03222580U CN 2623900 Y CN2623900 Y CN 2623900Y
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- CN
- China
- Prior art keywords
- plunger
- joint
- fluid joint
- nozzle
- liquid inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an electromagnetic pump, which comprises a coil winding, an electromagnetic iron core, a liquid incoming joint and a liquid discharging joint, with the parts above are connected with an outer cover; 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 plunger with axial movement. The small axle part of the plunger stretches inside the spraying nozzle of the liquid discharging joint. The liquid discharging opening of the plunger forms a single way valve with an arc shaped plug and an extending spring which is connected with the plunger. The single way valve arranged inside liquid discharging joint supports the liquid discharging opening of the spraying nozzle. A spring is arranged between the plunger and the cavity internal end surface of the liquid incoming joint. The internal end surface of the spraying nozzle has a buffering washer. Therefore, the utility model has the advantages of simple and compact structure, small area, fine sealing effect, reliable and steady operation and long service life.
Description
Technical field
The utility model relates to a kind of Hydraulic pump that is used for transmission medium, especially relates to a kind of shuttle 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 the reciprocating pump of this structure is made of the pump housing part of power section, drive part and execution etc., therefore 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.But a kind of structure of present disclosed electromagnetic pump mainly is made of support, the electromagnetic core and the coil winding that are connected the pump housing on the support and are connected pump housing both sides, electromagnetic core and coil winding are arranged in the protective housing, after left and right two groups of coils are switched on respectively, produce electromagnetic force and make the plunger in the pump housing reciprocating, the flowing medium in the active chamber of pump housing both sides is sucked and sends.Though this kind electromagnetic pump and tradition by the reciprocating pump of driven by motor mutually specific volume reduce greatly, cancel drive part and make the electromagnetic pump structure simple relatively, but the pump housing is axially to be connected with coil winding with two groups of electromagnetic cores by adpting flange, so whole electromagnetism pump structure is not compact, volume is relatively large, because of making is had relatively high expectations and increased cost.Another kind of disclosed electromagnetic pump, electromagnetic core and coil winding are set on the pump housing, behind coil electricity, produce alternating magnetic field and make plunger reciprocating, the flowing medium in the active chamber of pump housing both sides is sucked and sends, though this electromagnetic pump is simple in structure, but pump housing processed complex, assembly process process is poor, and plunger dependence liquid stream buffering, so the operation vibration noise is bigger, shortened the working life of electromagnetic pump, and flow quantity is little.
Summary of the invention
The purpose of this utility model provides a kind of compact structure, and volume is little, reliable operation, the electromagnetic pump of long service life.
The utility model is that the technological scheme that achieves the above object is: a kind of electromagnetic pump, comprise the coil winding and electromagnetic core and liquid inlet joint and the fluid joint that are connected in the housing, it is characterized in that: described liquid inlet joint is installed in the electromagnetic core hole and is connected with fluid joint sealing on being connected housing, be provided with the plunger of doing axial motion in the liquid inlet joint, and the little shaft portion of plunger extends in the nozzle that is contained in the fluid joint, the liquid outlet of plunger has by the arc plug and constitutes one-way valve with the extension spring that is connected with plunger, one-way valve in the fluid joint withstands on the liquid outlet of nozzle, plunger and liquid inlet joint cavity interior edge face are equipped with spring, and the interior edge face of nozzle is equipped with buffer gasket.
The utility model adopts the advantage after the technique scheme to be: the first, the liquid inlet joint of the utility model electromagnetic pump is installed in coil winding and the electromagnetic core, and liquid inlet joint directly is connected with the fluid joint, simplified linkage structure, 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, fluid medium is carried, its compact structure, reasonable, flow quantity is big, improve functional reliability, reduce cost, but also be convenient to maintenance.The second, 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, owing to cancelled the Sealing between link such as inner metal sleeve and each link, not only simple in structure, compact, improve the functional reliability of electromagnetic pump, and good manufacturability, be convenient to the modularization production and the management of each part.Three, the coaxial installation of coil winding of the present utility model, electromagnetic core, liquid inlet joint and plunger, withstand on the outer one-way valve of plunger liquid outlet in addition and adopt extension spring, be arranged on plunger cavity, compact structure, the axial dimension of reducible electromagnetic pump further reduces the volume of electromagnetic pump.Four, the utility model is provided with one-way valve in plunger and fluid joint, so in the course of conveying of flowing medium, good seal performance.Five, the utility model is equipped with spring in a side of plunger, and the opposite side of plunger has buffer gasket, therefore the shock and vibration that produce in the time of working to electromagnetic pump cushion further and absorb, and reduce the noise of electromagnetic pump effectively, have prolonged the working life of 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 one of structural representation of the present utility model.
Fig. 2 is two of a structural representation of the present utility model.
Fig. 3 is three of a structural representation of the present utility model.
Fig. 4 is the side view of Fig. 3.
Embodiment
Electromagnetic pump as described in Figure 1, comprise coil winding 6, electromagnetic core 4, liquid inlet joint 1 and fluid joint 15, coil winding 6 is made of skeleton and the coil that is wound on the skeleton, two electromagnetic cores 4 are arranged in the coil winding 6, and by middle part setting sleeve 5 location, this setting sleeve 5 is overall structure with skeleton or is the branch body structure, coil winding 6 and electromagnetic core 4 are installed in the housing 8, electromagnetic core 4, plunger 7, housing 8 constitutes magnetic loop, this housing 8 is made of case 8-1 and side plate 8-2, have the pin 22 that links to each other with coil winding 6 on the housing 8 or go between 19, by pin 22 or go between and 19 communicate with power supply, by pin 22 or go between and 19 communicate, produce electromagnetic force after making coil electricity with power supply.
See shown in Figure 1, liquid inlet joint 1 is installed in electromagnetic core 4 holes, and liquid inlet joint 1 directly is tightly connected with the fluid joint 15 that is connected on the housing 8, this fluid joint 15 is an elbow, fluid joint 15 distolateral axis holes are inserted in the mounting hole of housing 8, and fluid joint 15 is distolateral seal ring 9 with liquid inlet joint 1 sealing, the sealing circle is a T shape, dunnage sealing in its end face and the housing 8 is joined, the plunger 7 that the band liquid hole of the axial motion done is arranged in the liquid inlet joint 1, the little shaft portion of this plunger 7 extends in the nozzle 12, this nozzle 12 is sleeved on plunger 7 little shaft portions, and the cylindrical of nozzle 12 is contained in the axis hole of fluid joint 15, the convex shoulder of nozzle 12 is arranged in fluid joint 15 counterbores, nozzle 12 is equipped with the seal ring 11 with plunger 7 little shaft portion sealings, outside plunger 7 liquid outlets, be provided with one-way valve, this one-way valve is made of arc plug 14 and the extension spring 13 that is connected in plunger 7 chambeies, make the one-way valve of plunger 7 ends that novelty is set, rational in infrastructure, compact, and the one-way valve 16 in the fluid joint 15 withstands on the liquid outlet of nozzle 12, the utility model passes through two one-way valves to improve sealability, for plunger 7 is cushioned vibration and impact in the to-and-fro motion process, plunger 7 end faces and liquid inlet joint 1 cavity interior edge face are equipped with spring 3, the interior edge face of nozzle 12 is equipped with buffer gasket 10, for reduce in plunger 7 to-and-fro motion to nozzle 12 end faces impact, the utility model is provided with baffle plate 17 at nozzle 12 convex shoulder end faces, and buffer gasket 10 is between the convex shoulder of baffle plate 17 and plunger 7.
See the structure of another kind of solenoid valve of the present utility model shown in Figure 2, the structure of this solenoid valve and Fig. 1 structure are basic identical.Different is, the distolateral axle of fluid joint 15 is provided with screw thread and is screwed in the mounting hole of side plate 8-2 of housing 8, fluid joint 15 is distolateral seal ring 9 with liquid inlet joint 1 sealing, the nozzle 12 that is sleeved on plunger 7 little shaft portions is by seal ring 11 and plunger 7 sealings, and nozzle 12 its convex shoulders that are contained in the fluid joint 15 are arranged in fluid joint 15 counterbores.
See the structure of another solenoid valve of the present utility model shown in Figure 3, the structure of this solenoid valve and the structure of Fig. 1 are basic identical, different is, coil winding 6 and the encapsulation of electromagnetic core 4 insulated bodys, coil winding 6 and electromagnetic core 4 are contained on the housing 8, the open type housing that this housing 8 constitutes for anchor ear, fluid joint 15 is connected with liquid inlet joint 1, fluid joint 15 is straight connector, the flange edge of fluid joint 15 is connected with housing 8 by fastening piece, the axial bulge loop of liquid inlet joint 1 end and the axial notch of fluid joint 15 join, and the counterbore of the shaft shoulder of liquid inlet joint 1 and fluid joint 15 matches, seal ring 21 with 15 sealings of fluid joint is housed on the axial bulge loop of liquid inlet joint 1, the nozzle 12 that is sleeved on plunger 7 little shaft portions is by seal ring 11 and plunger 7 sealings, and nozzle 12 its convex shoulders that are contained in the fluid joint 15 are arranged in fluid joint 15 counterbores.
The utility model is when work, after Ac is by the diode one way rectifier, supply with coil, under the effect of electromagnetic force that coil produces and spring force, when plunger 7 during from liquid outlet one side direction liquid entering hole one side shifting, pressure spring 3, plunger 7 moves right in liquid inlet joint 1 and fluid joint 15, and flowing medium is under atmospheric effect, push one-way valve and nozzle 12 internal check valves 16 in the plunger 7 open, flowing medium is discharged; Under the effect of spring 3, plunger 7 in liquid inlet joint 1 and the fluid joint 15 from liquid entering hole to liquid outlet one side shifting, because the swept volume of liquid inlet joint 1 front portion increases gradually, make in liquid inlet joint 1 cavity and form parital vacuum with the extraneous pressure reduction that produces, then flowing medium sucks the pump housing with flowing medium under suction, when swept volume reaches maximum value, plunger 7 is discharged flowing medium from fluid one side direction feed liquor one side shifting of liquid inlet joint 1, circulates with this.
Claims (7)
1, a kind of electromagnetic pump, comprise the coil winding (6) and electromagnetic core (4) and liquid inlet joint (1) and the fluid joint (15) that are connected in the housing (8), it is characterized in that: described liquid inlet joint (1) is installed in electromagnetic core (4) hole and with the fluid joint (15) that is connected on the housing (8) and is tightly connected, be provided with the plunger (7) of doing axial motion in the liquid inlet joint (1), and the little shaft portion of plunger (7) extends in the nozzle (12) that is contained in fluid joint (15), the liquid outlet of plunger (7) has by arc plug (14) and extension spring (13) the formation one-way valve that is connected with plunger (7), one-way valve (16) in the fluid joint (15) withstands on the liquid outlet of nozzle (12), plunger (7) is equipped with spring (3) with liquid inlet joint (1) cavity interior edge face, and the interior edge face of nozzle (12) is equipped with buffer gasket (10).
2, electromagnetic pump according to claim 1 is characterized in that: described plunger (7) is made by the rust free, wear resistance material.
3, electromagnetic pump according to claim 1 and 2, it is characterized in that: the distolateral axis hole of described fluid joint (15) is inserted in the mounting hole of housing (8), and fluid joint (15) is distolateral seal ring (9) with liquid inlet joint (1) sealing, the nozzle (12) that is sleeved on the little shaft portion of plunger (7) is by seal ring (11) and plunger (7) sealing, its convex shoulder of nozzle (12) that is contained in the fluid joint (15) is arranged in fluid joint (15) counterbore
4, electromagnetic pump according to claim 1 and 2, it is characterized in that: the distolateral cylindrical of described fluid joint (15) is provided with screw thread and is screwed in housing (8) mounting hole, fluid joint (15) is distolateral seal ring (9) with liquid inlet joint (1) sealing, the nozzle (12) that is sleeved on the little shaft portion of plunger (7) is by seal ring (11) and plunger (7) sealing, and its convex shoulder of nozzle (12) that is contained in the fluid joint (15) is arranged in fluid joint (15) counterbore.
5, electromagnetic pump according to claim 1 and 2, it is characterized in that: its flange edge of described fluid joint (15) is connected with housing (8) by fastening piece, the axial bulge loop of liquid inlet joint (1) end and the axial notch of fluid joint (15) join, and the counterbore of the convex shoulder of liquid inlet joint (1) and fluid joint (15) is joined, the seal ring (20) with fluid joint (15) sealing is equipped with in the convex shoulder both sides of liquid inlet joint (1), (21), the nozzle (12) that is contained in the little shaft portion of plunger (7) is by seal ring (11) and plunger (7) sealing, and its convex shoulder of nozzle (12) that is contained in the fluid joint (15) is arranged in fluid joint (15) counterbore.
6, according to the described electromagnetic pump of one of claim 1 to 5, it is characterized in that: described fluid joint (15) is straight connector or elbow.
7, according to the described electromagnetic pump of one of claim 1 to 5, it is characterized in that: the interior edge face of described nozzle (12) is provided with baffle ring (17), and buffer gasket (10) is positioned at baffle ring (17) and plunger (7) shaft shoulder sidepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03222580 CN2623900Y (en) | 2003-06-04 | 2003-06-04 | Electromagnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03222580 CN2623900Y (en) | 2003-06-04 | 2003-06-04 | Electromagnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2623900Y true CN2623900Y (en) | 2004-07-07 |
Family
ID=34245315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03222580 Expired - Fee Related CN2623900Y (en) | 2003-06-04 | 2003-06-04 | Electromagnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2623900Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015591A (en) * | 2016-05-23 | 2016-10-12 | 上海空间推进研究所 | Novel high-pressure one-way self-locking valve |
-
2003
- 2003-06-04 CN CN 03222580 patent/CN2623900Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015591A (en) * | 2016-05-23 | 2016-10-12 | 上海空间推进研究所 | Novel high-pressure one-way self-locking valve |
| CN106015591B (en) * | 2016-05-23 | 2018-10-16 | 上海空间推进研究所 | A kind of novel high-pressure unidirectional self-lock valve |
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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 |