CN203769916U - Safe permanent magnet water pump - Google Patents
Safe permanent magnet water pump Download PDFInfo
- Publication number
- CN203769916U CN203769916U CN201420126293.3U CN201420126293U CN203769916U CN 203769916 U CN203769916 U CN 203769916U CN 201420126293 U CN201420126293 U CN 201420126293U CN 203769916 U CN203769916 U CN 203769916U
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- magnet
- rotation
- solid
- water pump
- rotating body
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Abstract
The utility model relates to a safe permanent magnet water pump. When the problem of coil failure occurs, the water pump can still run normally. The safe permanent magnet water pump comprises a spindle transmitting power to the water pump, a first rotating body and a second rotating body, wherein the spindle is sleeved with the first rotating body. The first rotating body can rotate around the spindle by means of external power, the second rotating body can rotate together with the spindle, the end face of one side of the first rotating body far away from the second rotating body is fixedly connected with a magnet fixing disc, a first magnet is embedded on one side of the magnet fixing disc close to the second rotating body, an electromagnetic iron core is arranged on one side of the second rotating body far away from the first rotating body and is kept fixed, a suction disc is arranged between the first rotating body and the second rotating body, a gap is reserved between the suction disc and the first rotating body, and the suction disc is connected to the second rotating body through a spring piece. The part of the first rotating body located between the first magnet and the suction disc and the part of the second rotating body located between the suction disc and the electromagnetic iron core are provided with magnetic isolation grooves.
Description
Technical field
The utility model relates to a kind of car engine cooling system water pump.
Background technique
The power of water pump is provided by motor car engine, and the hot water in engine cylinder-body water channel is pumped, and cold water is pumped into realize cooling, in order to reduce the loss that engine power is unnecessary, magnetic clutch is set pump operation is regulated.
In prior art, magnetic clutch is to obtain the transmission of power between electric connection motor and water pump by electromagnetic coil to the control structure design of pump operation, drive pump working, the problem of this control mode is, once electromagnetic coil lost efficacy, water pump directly cannot be worked, and engine-cooling system paralysis, brings very large potential safety hazard.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of safety type permanent magnetism water pump, when there is the problem of coil failure, still can guarantee that water pump runs well.
The utility model safety type permanent magnetism water pump, comprise to the main shaft of water pump transferring power, be sleeved on the first solid of rotation on main shaft, the second solid of rotation, described the first solid of rotation can rotate around the spindle by external impetus, described the second solid of rotation can together rotate with main shaft, on the end face of described the first solid of rotation away from the second solid of rotation one side, be fixedly connected with magnet fixed disc, the first magnet is embedded close the second solid of rotation one side at magnet fixed disc, described the second solid of rotation is provided with electromagnetic core away from a side of the first solid of rotation, it is fixing that described electromagnetic core keeps, described first, between two solid of rotation, be provided with adhesive dish, between described adhesive dish and the first solid of rotation, leave gap, and be connected on the second solid of rotation by spring sheet, the part of described the first rotation position between the first magnet and adhesive dish, the part of the second rotation position between adhesive dish and electromagnetic core is equipped with magnet isolation tank.
The utility model safety type permanent magnetism water pump, the outer peripheral surface of wherein said the second solid of rotation is provided with the first ring wall extending to electromagnetic core direction vertically, on the outer peripheral surface of described the first ring wall, be embedded with the second magnet, the outer peripheral surface of described magnet fixed disc is provided with the second ring wall extending to electromagnetic core direction vertically, position relative with the second magnet in described the second ring wall arranges soft magnetic bodies, between the second magnet and soft magnetic bodies, leaves gap.
The utility model safety type permanent magnetism water pump, wherein said the second magnet adopts watt shape magnet.
The utility model safety type permanent magnetism water pump, wherein said the first magnet can be to comprise polylith cylindrical permanent magnet, and along magnet fixed disc circumference two circles of arranging, the polarity of two circle permanent magnets is different, and each circle is equidistantly arranged and is formed by polylith permanent magnet; Also can be to comprise two annular permanent magnets, the polarity of two annular permanent magnets be different.
The utility model safety type permanent magnetism water pump difference from prior art is that the utility model safety type permanent magnetism water pump arranges respectively electromagnetic core and magnet fixed disc in adhesive dish both sides, electromagnetic core coil electricity, magnet fixed disc rotation all can produce electromagnetic attracting force adhesive dish, when the coil electricity of electromagnetic core, adhesive dish is pulled to electromagnetic core one side, away from the first solid of rotation being rotated by driven by engine, the second solid of rotation being connected with adhesive dish cannot be rotated, main shaft also cannot rotate to water pump transferring power, water air pump inoperative, when electromagnetic coil power-off, the electromagnetic attracting force that adhesive dish is produced by magnet fixed disc, fit on the first solid of rotation, following the first solid of rotation rotates, and drive the second solid of rotation to rotate by spring sheet, and then drive main shaft drives pump operation, this contrary control structure, when coil failure, water pump still can run well.
Below in conjunction with accompanying drawing, safety type permanent magnetism water pump of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of the utility model safety type permanent magnetism water pump;
Fig. 2 is the partial sectional view of the utility model safety type permanent magnetism water pump two-speed structure;
Fig. 3 is a kind of structural layout plan of the first magnet on magnet fixed disc in the utility model safety type permanent magnetism water pump;
Fig. 4 is the another kind of structural layout plan of the first magnet on magnet fixed disc in the utility model safety type permanent magnetism water pump.
Embodiment
As shown in Figure 1, present embodiment safety type permanent magnetism water pump comprises the main shaft 1 to water pump transferring power, be sleeved on the first solid of rotation 2, the second solid of rotation 3 on main shaft 1, the first solid of rotation 2 is belt pulley etc., under the drive of motor car engine, around main shaft 1 rotation, the second solid of rotation 3 keeps synchronizeing rotation by structures such as spline fitted with main shaft 1.
On the end face of the first solid of rotation 2 away from the second solid of rotation 3 one sides, be fixedly connected with magnet fixed disc 4, the first magnet 501,502 and be embedded close the second solid of rotation one side at magnet fixed disc 4.As shown in Figure 3, the first magnet 501 can be comprised of the columned permanent magnet of polylith, and along magnet fixed disc 4 circumference two circles of arranging, the polarity of two circle permanent magnets is different, and each circle is equidistantly arranged and formed by polylith permanent magnet; As shown in Figure 4, the first magnet 502 can be also two annular permanent magnets, same, and the polarity of two annular permanent magnets of arranging on magnet fixed disc 4 circumference needs difference.
The second solid of rotation 3 is provided with electromagnetic core 6 away from a side of the first solid of rotation 2, and electromagnetic core 6 can keep fixing by being packed in the first-class mode of water pump shell.
Between first and second solid of rotation 2,3, be provided with adhesive dish 7, between adhesive dish 7 and the first solid of rotation 2, leave gap, the occurrence in gap is the common practise of related domain, those skilled in the art select to control according to magnetic circuit transmission, adhesive dish 7 is connected on the second solid of rotation 3 by spring sheet 8, for realizing magnetic circuit transmission, the first solid of rotation 2 all will arrange magnet isolation tank in the part between the first magnet 5 and adhesive dish 7, the part of the second solid of rotation 3 between adhesive dish 7 and electromagnetic core 6.
For better regulating safety type permanent magnetism pump rotary speed, on the basis of a fast structure, set up two-speed, as shown in Figure 2, the first ring wall 31 extending to electromagnetic core 6 directions is vertically set on the outer peripheral surface of the second solid of rotation 3, on the outer peripheral surface of the first ring wall 31, be embedded the second magnet 9, the second magnet adopts watt shape magnet, the second ring wall 41 extending to electromagnetic core 6 directions is vertically set on the outer peripheral surface of magnet fixed disc 4, position relative with the second magnet 9 in the second ring wall 41 arranges soft magnetic bodies 10, between the second magnet 9 and soft magnetic bodies 10, leave gap, this gap width is the common practise of related domain equally.
The working procedure of present embodiment safety type permanent magnetism water pump two-speed structure is such:
The first solid of rotation 2 rotates under the drive of motor, drives the magnet fixed disc 4 being fixedly mounted with thereon to rotate, and the soft magnetic bodies 10 in the second ring wall 41 is also followed rotation;
During one speed, the coil electricity of electromagnetic core 6, producing electromagnetic force attracts adhesive dish 7 to the second solid of rotation 3 one sides, the power of the first solid of rotation 2 can be delivered on the second solid of rotation 3 through adhesive dish 7, the soft magnetic bodies 10 of rotation forms rotating magnetic field, acts on the second magnet 9 on the first ring wall 31 excircles, and formation flexibly connects, make the second magnet 9 follow soft magnetic bodies 10 differential speed rotations, and then drive the second solid of rotation 3 with relatively low speed rotation;
During two-speed, the coil blackout of electromagnetic core 6, the magnetic fields that the first magnet 5 in magnet fixed disc 4 forms, in adhesive dish 7, fits to its attraction on the first solid of rotation 2, follows the first solid of rotation 2 and rotates, and then drive the second solid of rotation 3 full-speed operations.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (5)
1. a safety type permanent magnetism water pump, it is characterized in that: comprise the main shaft (1) to water pump transferring power, be sleeved on the first solid of rotation (2) on main shaft (1), the second solid of rotation (3), described the first solid of rotation (2) can rotate around main shaft (1) by external impetus, described the second solid of rotation (3) can together rotate with main shaft (1), on the end face of described the first solid of rotation (2) away from the second solid of rotation (3) one sides, be fixedly connected with magnet fixed disc (4), the first magnet (501, 502) be embedded close the second solid of rotation one side at magnet fixed disc (4), described the second solid of rotation (3) is provided with electromagnetic core (6) away from a side of the first solid of rotation (2), it is fixing that described electromagnetic core (6) keeps, described first, two solid of rotation (2, 3) between, be provided with adhesive dish (7), between described adhesive dish (7) and the first solid of rotation (2), leave gap, and be connected on the second solid of rotation (3) by spring sheet (8), described the first solid of rotation (2) is positioned at the first magnet (501, 502) part and between adhesive dish (7), the part that the second solid of rotation (3) is positioned between adhesive dish (7) and electromagnetic core (6) is equipped with magnet isolation tank.
2. safety type permanent magnetism water pump according to claim 1, it is characterized in that: the outer peripheral surface of described the second solid of rotation (3) is provided with the first ring wall (31) extending to electromagnetic core (6) direction vertically, on the outer peripheral surface of described the first ring wall (31), be embedded with the second magnet (9), the outer peripheral surface of described magnet fixed disc (4) is provided with the second ring wall (41) extending to electromagnetic core (6) direction vertically, position relative with the second magnet (9) in described the second ring wall (41) arranges soft magnetic bodies (10), between the second magnet (9) and soft magnetic bodies (10), leave gap.
3. safety type permanent magnetism water pump according to claim 2, is characterized in that: described the second magnet adopts watt shape magnet.
4. according to the safety type permanent magnetism water pump described in claims 1 to 3 any one, it is characterized in that: described the first magnet (501) comprises polylith cylindrical permanent magnet, along magnet fixed disc (4) circumference two circles of arranging, the polarity of two circle permanent magnets is different, and each circle is equidistantly arranged and formed by polylith permanent magnet.
5. according to the safety type permanent magnetism water pump described in claims 1 to 3 any one, it is characterized in that: described the first magnet (502) comprises two annular permanent magnets, the polarity of two annular permanent magnets is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420126293.3U CN203769916U (en) | 2014-03-19 | 2014-03-19 | Safe permanent magnet water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420126293.3U CN203769916U (en) | 2014-03-19 | 2014-03-19 | Safe permanent magnet water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203769916U true CN203769916U (en) | 2014-08-13 |
Family
ID=51287116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420126293.3U Expired - Fee Related CN203769916U (en) | 2014-03-19 | 2014-03-19 | Safe permanent magnet water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203769916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850772A (en) * | 2014-03-19 | 2014-06-11 | 龙口中宇汽车风扇离合器有限公司 | Safety permanent magnetic water pump |
-
2014
- 2014-03-19 CN CN201420126293.3U patent/CN203769916U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850772A (en) * | 2014-03-19 | 2014-06-11 | 龙口中宇汽车风扇离合器有限公司 | Safety permanent magnetic water pump |
| CN103850772B (en) * | 2014-03-19 | 2016-04-20 | 龙口中宇汽车风扇离合器有限公司 | Safety type permanent magnetism water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20170319 |