CN215633289U - Electromagnetic energy-saving water pump suitable for small-diameter belt pulley - Google Patents
Electromagnetic energy-saving water pump suitable for small-diameter belt pulley Download PDFInfo
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- CN215633289U CN215633289U CN202121332643.8U CN202121332643U CN215633289U CN 215633289 U CN215633289 U CN 215633289U CN 202121332643 U CN202121332643 U CN 202121332643U CN 215633289 U CN215633289 U CN 215633289U
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Abstract
The utility model discloses an electromagnetic energy-saving water pump suitable for a small-diameter belt pulley, which comprises a water pump body, a shaft connecting bearing, an impeller, a belt pulley, a bearing, an iron core with an electromagnetic coil and a magnetic induction mechanism, wherein the iron core is fixed on the water pump body, and is arranged at the rear side of the bearing in parallel, and also comprises a sucker which comprises a sucker inner cylinder body and a plane flange body, the rear end part of the belt pulley is fixedly connected with the plane flange body, an electromagnetic cavity is formed among the belt pulley, the plane flange body and the sucker inner cylinder body, the electromagnetic coil is positioned in the electromagnetic cavity, the plane flange body is provided with a magnetic leakage hole, the magnetic force line generated by the iron core coil is effectively sealed, the electromagnetic field intensity is improved, the suction force generated by the fan-shaped permanent magnet can be offset by less electromagnetic coils, therefore, the electromagnetic friction pair formed by the magnetic induction mechanism and the sucker can be quickly separated or sucked in a power-on state. Is suitable for small-diameter belt pulleys with large length-diameter ratio.
Description
Technical Field
The utility model relates to an electromagnetic energy-saving water pump suitable for a small-diameter belt pulley.
Background
At present, automobile engine extensively adopts water pump structure to provide the coolant liquid in order to prevent the overheated scaling loss, and traditional water pump structure is mainly rotatory through external belt drive shaft on the belt pulley even bearing, and then control water pump impeller and rotate in order to carry the coolant liquid. The existing water pump structure is provided with an electromagnetic coil and a magnet fixing disc with a magnet, the electromagnetic coil is powered on and off correspondingly according to the temperature of an engine, and the magnet fixing disc is controlled to be meshed with or separated from a belt pulley, so that the rotation of a water pump impeller is controlled. However, in some cases, when a smaller pulley system is required, the electromagnetic clutch function cannot be realized due to the small spatial size of the electromagnetic coil.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an electromagnetic energy-saving water pump suitable for a small-diameter belt pulley.
In order to solve the technical problems, the utility model adopts the technical scheme that: an electromagnetic energy-saving water pump suitable for a small-diameter belt pulley comprises a water pump body, a shaft connecting bearing rotatably arranged in the water pump body, an impeller fixed at the output end part of the shaft connecting bearing, a belt pulley, a bearing arranged between the water pump body and the belt pulley, an iron core with an electromagnetic coil, and a magnetic induction mechanism fixed at the tail end part of the shaft connecting bearing, wherein the iron core is fixed on the water pump body, and is arranged at the rear side of the bearing in parallel, and also comprises a sucker which comprises a sucker inner cylinder body and a plane flange body which extends outwards from the rear part of the sucker inner cylinder body in the radial direction, the rear end part of the belt pulley is fixedly connected with the plane flange body, an electromagnetic cavity is formed among the belt pulley, the plane flange body and the sucker inner cylinder body, the electromagnetic coil is positioned in the electromagnetic cavity, and a plurality of magnetic leakage holes are uniformly formed in the plane flange body along the circumferential direction.
In some embodiments, a plurality of fan-shaped permanent magnets are uniformly arranged on one side of the planar flange body facing the iron core along the circumferential direction, the fan-shaped permanent magnets are installed in parallel with the same polarity, the fan-shaped permanent magnets are located between the electromagnetic coil and the magnetic leakage hole, the magnetic force direction of the fan-shaped permanent magnets is opposite to the magnetic force direction of the electromagnetic force generated when the electromagnetic coil is electrified, and when the electromagnetic coil is electrified, the magnetic force of the fan-shaped permanent magnets offsets the electromagnetic force generated when the electromagnetic coil is electrified.
In some embodiments, the magnetic induction mechanism comprises a driven plate facing the planar flange body, a magnet fixed plate facing the induction driving plate, and a spring plate connected between the magnet fixed plate and the driven plate, wherein when the electromagnetic coil is powered on, the driven plate is disengaged from the planar flange body, and when the electromagnetic coil is powered off, the fan-shaped permanent magnet enables the driven plate to be engaged with the planar flange body through the magnetic leakage hole.
In some embodiments, a permanent magnet is mounted on the magnet fixing disk, and an induction inner iron ring for generating eddy current with the magnet fixing disk and driving the magnet fixing disk and the driven disk to rotate synchronously is arranged in the induction driving disk.
In some embodiments, the iron core extends radially inward to form a mounting ring, the mounting ring is fixedly connected with the tail end of the water pump body through screws, and two ends of the inner ring of the bearing are clamped between the iron core and the water pump body.
In some embodiments, the water pump body is in clearance fit with the inner ring of the bearing, and a cable groove for passing a magnetic cable is formed between the water pump body and the inner ring of the bearing.
In some embodiments, the water pump body is provided with a shaft bearing hole, a clamp spring groove is formed in the hole wall of the shaft bearing hole, a clamp spring is arranged in the clamp spring groove, one side part of the shaft bearing outer ring is pressed on the clamp spring, the inner edge of the mounting ring axially extends forwards to form a bearing clamping part, and the bearing clamping part is pressed on the other side part of the shaft bearing outer ring sequentially through a gasket and a wave-shaped gasket.
In some embodiments, a water seal is disposed between the water pump body and the shaft of the shaft-coupled bearing.
In certain embodiments, the bearing is a double row angular contact ball bearing.
One end part of the shaft connecting bearing, which is provided with the impeller in a penetrating mode, is an output end, the end part is opposite to the output end, the other end part of the shaft connecting bearing is a tail end, the tail end serves as a reference, the position of the output end of the shaft connecting bearing is the front part of the electronic water pump, and the position of the tail end of the shaft connecting bearing is the rear part of the electronic water pump.
The scope of the present invention is not limited to the specific combinations of the above-described features, and other embodiments in which the above-described features or their equivalents are arbitrarily combined are also intended to be encompassed. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides an electromagnetic energy-saving water pump suitable for a small-diameter belt pulley, wherein an iron core is fixed on a water pump body, a bearing and the iron core are arranged in the belt pulley in parallel in the front and back direction, an electromagnetic cavity is formed among the belt pulley, a plane flange body and a sucker inner cylinder body through a sucker designed by a cylinder and a plane flange structure, an electromagnetic coil is positioned in the electromagnetic cavity, magnetic lines of force generated by an iron core coil are effectively sealed, the electromagnetic field intensity is improved, the suction force generated by a fan-shaped permanent magnet can be offset only by fewer electromagnetic coils, and therefore an electromagnetic friction pair formed by a magnetic induction mechanism and the sucker can be quickly separated or sucked in a power-on state. Is suitable for small-diameter belt pulleys with large length-diameter ratio.
Drawings
FIG. 1 is a schematic diagram of an electromagnetic energy-saving water pump suitable for a small-diameter belt pulley;
FIG. 2 is a schematic view of a permanent magnet installation distribution;
FIG. 3 is a cross-sectional view of the chuck;
FIG. 4 is an enlarged partial cross-sectional view of the cable tray;
wherein, 1, a water pump body; 2. a shaft coupling bearing; 3. an impeller; 4. a belt pulley; 5. a bearing; 6. an iron core; 61. an electromagnetic coil; 62. a mounting ring; 621. a bearing engaging portion; 7. a suction cup; 71. a sucker inner cylinder body; 72. a planar flange body; 721. a magnetic leakage hole; 8. a fan-shaped permanent magnet; 9. an induction drive disk; 9a, sensing an inner iron ring; 10. a magnetic induction mechanism; 101. a driven plate; 102. a magnet fixing disc; 102a, a permanent magnet, 103, a spring piece; 11. a clamp spring; 12. a gasket; 13. a wave washer; 14. water sealing; 15. a cable trough.
Detailed Description
The following are specific examples of the present invention and are further described with reference to the drawings, but the present invention is not limited to these examples.
As shown in the figures, the electromagnetic energy-saving water pump suitable for the small-diameter belt pulley comprises a water pump body 1, a shaft connecting bearing 2 rotatably arranged in the water pump body 1, an impeller 3 fixed at the output end part of the shaft connecting bearing 2, a belt pulley 4, a bearing 5 arranged between the water pump body 1 and the belt pulley 4, and an iron core 6 with an electromagnetic coil 61, wherein the iron core 6 is fixed on the water pump body 1 and is arranged at the rear side of the bearing 5 in parallel. The electromagnetic coil and the bearing are arranged inside the belt pulley together in a front-back parallel mode, so that the outer diameter of the belt pulley is greatly reduced, and the size of the water pump structure is favorably reduced.
The electromagnetic energy-saving water pump further comprises a magnetic induction mechanism fixed at the tail end part of the shaft connecting bearing 2 and an induction driving disc 9 fixed on the belt pulley 4, wherein the magnetic induction mechanism 10 is positioned between the induction driving disc 9 and the suction disc 7, and the magnetic induction mechanism 10 comprises a driven disc 101 opposite to the plane flange body 72, a magnet fixing disc 102 opposite to the induction driving disc 9 and a spring piece 103 connected between the magnet fixing disc 102 and the driven disc 101. The magnet fixing disc 102 is provided with a permanent magnet 102a, and the induction driving disc 9 is internally provided with an induction inner iron ring 9a which is used for generating eddy current with the magnet fixing disc 102 and driving the magnet fixing disc 102 and the driven disc 101 to synchronously rotate.
This energy-conserving water pump of electromagnetism still includes sucking disc 7, sucking disc 7 include barrel 71 in the sucking disc, by the radial outside plane flange body 72 that extends in the rear portion of barrel 71 in the sucking disc, belt pulley 4's rear end with plane flange body 72 looks fixed connection, belt pulley 4 plane flange body 72 with form the electromagnetic cavity in the sucking disc between the barrel 71, solenoid 61 is located the electromagnetic cavity. In this embodiment, six magnetic leakage holes 721 are uniformly formed in the planar flange body 72 along the circumferential direction. The magnetic force lines generated by the iron core coils are effectively sealed by the sucker with the structural design of the cylinder and the plane flange through the belt pulley connected by the screws, the electromagnetic field intensity is improved, and the suction force generated by the fan-shaped permanent magnet can be offset by fewer coils, so that the magnetic induction mechanism and the electromagnetic friction pair formed by the sucker can be quickly separated or sucked in a power-on state. Is suitable for small-diameter belt pulleys with large length-diameter ratio.
In this embodiment, the planar flange body 72 is provided with twelve fan-shaped permanent magnets 8 uniformly along the circumferential direction toward one side of the iron core, the fan-shaped permanent magnets 8 are installed in parallel with the same polarity, the fan-shaped permanent magnets 8 are located between the electromagnetic coil 61 and the magnetism leakage holes 721, and the size of the inner hole of the belt pulley is smaller than the outer diameter of the fan-shaped permanent magnets, so that the fan-shaped permanent magnets can be prevented from being disengaged.
The magnetic force direction of the fan-shaped permanent magnet 8 is opposite to the magnetic force direction of the electromagnetic force generated when the electromagnetic coil 61 is electrified, the magnetic force of the fan-shaped permanent magnet 8 is offset from the electromagnetic force generated when the electromagnetic coil 61 is electrified, the driven disc 101 is separated from the plane flange body 72, and when the electromagnetic coil 61 is deenergized, the fan-shaped permanent magnet 8 enables the driven disc 101 to be meshed with the plane flange body 72 through the magnetic leakage holes 721.
In this embodiment, as shown in fig. 2, twelve fan-shaped permanent magnets are installed in the planar flange body with the same polarity, six magnetic leakage holes are uniformly formed in the planar flange body along the circumferential direction, the permanent magnetic force of the permanent magnets passes through the magnetic leakage holes, so that the driven disc is meshed with the end face of the planar flange body, namely, the meshing can be realized without electrifying, the cooling of the engine by the high-speed and large-flow cooling water of the water pump is realized, and at the moment, the high-speed of the belt pulley is transmitted to the impeller only by the permanent magnetic force of the permanent magnets, so that the high-speed and large-flow water-cooled engine is carried out.
When the electromagnetic coil is electrified, electromagnetic force is generated, the polarity of the electromagnetic force is opposite to that of the permanent magnetic force of the permanent magnet, the electromagnetic force and the permanent magnetic force are mutually counteracted, the driven disc can be separated from the plane flange body, and the induction driving disc is locked on the belt pulley and rotates at the same direction and the same rotating speed as the belt pulley at high speed. Because N, S poles are adjacently arranged on the magnet fixing disc provided with the permanent magnet, the magnetic fields of the permanent magnets move relative to the inner conductor (induction inner iron ring) of the induction driving disc, induction current can be generated in the conductor (induction inner iron ring), the induction current enables the conductor (induction inner iron ring) to be acted by ampere force, and the ampere force enables the magnet fixing disc provided with the permanent magnet to rotate, so that the effect is eddy current induction driving. The rotating speed of the magnet fixing disc is transmitted to the impeller, so that the low-rotating-speed and small-flow water-cooled engine is realized. After the power is switched on, the water pump cools the engine at a low rotating speed and a small flow rate. Therefore, the high-speed and low-speed switching and the large-flow and small-flow switching of the water pump are realized, the energy-saving function of cooling the engine by water is realized according to the requirement, the energy conservation and emission reduction are realized, and the use is more environment-friendly.
The water pump body 1 is provided with a shaft connecting bearing hole, a clamp spring groove is formed in the hole wall of the shaft connecting bearing hole, a clamp spring 11 is arranged in the clamp spring groove, and one side portion of the outer ring of the shaft connecting bearing 2 is pressed on the clamp spring 11. A water seal 14 is arranged between the water pump body 1 and the shaft of the shaft connecting bearing 2. The shaft connecting bearing hole and the water seal hole on the water pump body are designed in the same aperture, so that the high coaxiality requirement can be met while machining is facilitated.
The iron core 6 extends radially inwards to form a mounting ring 62, and the mounting ring 62 is fixedly connected with the tail end of the water pump body 1 through screws. The inner edge of the mounting ring 62 extends axially forward to form a bearing clamping portion 621, and the bearing clamping portion 621 is pressed on the other side portion of the outer ring of the shaft coupling bearing 2 through a washer 12 and a wave washer 13 in sequence.
The bearing 5 is a double-row angular contact ball bearing. The two ends of the inner ring of the bearing 5 are clamped between the iron core 6 and the water pump body 1. The water pump body 1 is in clearance fit with the inner ring of the bearing 5, and a cable groove for a magnetic wire cable to pass through is formed between the water pump body 1 and the inner ring of the bearing 5. The clearance fit is adopted, so that the electromagnetic cable can be conveniently led to penetrate through the cable groove of the water pump body and the bearing inner ring, as shown in fig. 4, a hollow dotted arrow line is a cable channel through which the electromagnetic cable penetrates, and the bearing inner ring is locked on the water pump body into a whole by adopting a screw to lock the iron core, so that the bearing inner ring is prevented from rotating.
The electromagnetic energy-saving water pump cools the engine by low-rotating-speed and low-flow cooling water after being electrified. After the power is cut off, the engine cooling water can be meshed to cool the engine by high rotating speed and large flow of cooling water, and the requirement of fine management of the temperature of the engine cooling liquid is met.
This energy-conserving water pump of electromagnetism has adopted the permanent magnet of multi-disc high temperature type neodymium iron boron material, and magnetic force is powerful, can arrange in narrow and small space, and the direct coupling mode can reduce magnet quantity to can satisfy the water pump moment of torsion needs.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides an energy-conserving water pump of electromagnetism suitable for minor diameter belt pulley, include the water pump body (1), rotate set up in the water pump body (1) in axle connection bearing (2), be fixed in axle connection bearing (2) output end portion's impeller (3), belt pulley (4), set up the water pump body (1) with bearing (5) between belt pulley (4), iron core (6) that have solenoid (61) are fixed in the magnetic induction mechanism of axle connection bearing (2) tail end portion, its characterized in that: iron core (6) are fixed on the water pump body (1), and lie in side by side the rear side of bearing (5) still includes sucking disc (7), sucking disc (7) include barrel (71) in the sucking disc, by the planar flange body (72) of the radial outside extension in rear portion of barrel (71) in the sucking disc, the rear end of belt pulley (4) with planar flange body (72) looks fixed connection, belt pulley (4) planar flange body (72) with form the electromagnetic cavity in the sucking disc between barrel (71), solenoid (61) are located in the electromagnetic cavity, a plurality of magnetic leakage holes (721) have evenly been seted up along circumference on planar flange body (72).
2. The electromagnetic energy-saving water pump suitable for the small-diameter belt pulley as claimed in claim 1, characterized in that: planar flange body (72) orientation a side of iron core still evenly is provided with a plurality of fan-shaped permanent magnet (8) along circumference, fan-shaped permanent magnet (8) homopolarity installation side by side, fan-shaped permanent magnet (8) are located solenoid (61) with between hourglass magnetism hole (721), the magnetic force direction of fan-shaped permanent magnet (8) with the magnetic force direction of the electromagnetic force that produces when solenoid (61) circular telegram is opposite, works as when solenoid (61) is electrified, the magnetic force of fan-shaped permanent magnet (8) with the electromagnetic force that produces when solenoid (61) circular telegram offsets.
3. The electromagnetic energy-saving water pump suitable for the small-diameter belt pulley as claimed in claim 2, characterized in that: still including being fixed in induction driving dish (9) on belt pulley (4), magnetic induction mechanism (10) are located induction driving dish (9) with between sucking disc (7), magnetic induction mechanism (10) including facing driven plate (101) of plane flange body (72), facing magnet fixed disk (102), connection of induction driving dish (9) magnet fixed disk (102) with spring leaf (103) between driven plate (101), when solenoid (61) are electrified, driven plate (101) with plane flange body (72) are separated mutually, when solenoid (61) cut off the power supply, fan-shaped permanent magnet (8) pass through leak magnetism hole (721) make driven plate (101) mesh on plane flange body (72).
4. The electromagnetic energy-saving water pump suitable for the small-diameter belt pulley as claimed in claim 3, characterized in that: the induction type magnet driving device is characterized in that a permanent magnet (102 a) is installed on the magnet fixing disc (102), and an induction inner iron ring (9 a) used for generating eddy current with the magnet fixing disc (102) and driving the magnet fixing disc (102) and the driven disc (101) to rotate synchronously is arranged in the induction driving disc (9).
5. The electromagnetic energy-saving water pump suitable for the small-diameter belt pulley as claimed in claim 1, characterized in that: the iron core (6) extends inwards in the radial direction to form a mounting ring (62), the mounting ring (62) is fixedly connected with the tail end of the water pump body (1) through screws, and two end parts of an inner ring of the bearing (5) are clamped between the iron core (6) and the water pump body (1).
6. The electromagnetic energy-saving water pump suitable for the small-diameter belt pulley as claimed in claim 5, characterized in that: the water pump body (1) is in clearance fit with the inner ring of the bearing (5), and a cable groove for a magnetic cable to pass through is formed between the water pump body (1) and the inner ring of the bearing (5).
7. The electromagnetic energy-saving water pump suitable for the small-diameter belt pulley as claimed in claim 5, characterized in that: the water pump body (1) is last to have the axle and links the dead eye, be provided with the jump ring groove on the pore wall of axle and link the dead eye, the built-in jump ring (11) that is equipped with in jump ring groove, one side portion pressure of axle and link bearing (2) outer lane is established on jump ring (11), the inward flange axial of collar (62) extends forward and forms bearing card portion (621), bearing card portion (621) loops through packing ring (12), wave washer (13) and presses and establishes on another lateral part of axle and link bearing (2) outer lane.
8. The electromagnetic energy-saving water pump suitable for the small-diameter belt pulley as claimed in claim 7, characterized in that: and a water seal (14) is arranged between the water pump body (1) and the shaft of the shaft connecting bearing (2).
9. The electromagnetic energy-saving water pump suitable for the small-diameter belt pulley as claimed in claim 1, characterized in that: the bearing (5) is a double-row angular contact ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121332643.8U CN215633289U (en) | 2021-06-16 | 2021-06-16 | Electromagnetic energy-saving water pump suitable for small-diameter belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121332643.8U CN215633289U (en) | 2021-06-16 | 2021-06-16 | Electromagnetic energy-saving water pump suitable for small-diameter belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633289U true CN215633289U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121332643.8U Active CN215633289U (en) | 2021-06-16 | 2021-06-16 | Electromagnetic energy-saving water pump suitable for small-diameter belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633289U (en) |
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2021
- 2021-06-16 CN CN202121332643.8U patent/CN215633289U/en active Active
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