CN216767540U - Electromagnetic clutch and water pump - Google Patents
Electromagnetic clutch and water pump Download PDFInfo
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- CN216767540U CN216767540U CN202220132830.XU CN202220132830U CN216767540U CN 216767540 U CN216767540 U CN 216767540U CN 202220132830 U CN202220132830 U CN 202220132830U CN 216767540 U CN216767540 U CN 216767540U
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- water pump
- iron core
- electromagnetic clutch
- driving wheel
- disc
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Abstract
The utility model relates to an electromagnetic clutch and a water pump, which comprise an iron core positioned in a driving wheel, wherein the surface of one side of the driving wheel is provided with a groove, the iron core is positioned in the groove and is not contacted with the groove, and the other side of the driving wheel is provided with an attraction disc. The iron core is arranged in the transmission component of the water pump or the intermediate shaft base body, so that the electromagnetic clutch and the transmission component are integrated, the magnetic conduction wheel of the traditional electromagnetic clutch is saved, the space occupied by the electromagnetic clutch is reduced, and the water pump product is more compact in structure, light in weight, low in cost and less in fault.
Description
Technical Field
The utility model relates to the technical field of mechanical engineering, in particular to an electromagnetic clutch and a water pump.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The engine relies on the water pump to supply coolant liquid, and the rotation of the actuation control fan of water pump utilization electromagnetic clutch or stop, and traditional electromagnetic clutch installs on water pump or countershaft pedestal, because axial space is limited, can only install the end at the water pump axle, and weight is great and the focus is leading, leads to manufacturing cost height, and the complicated trouble of structure is many.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one technical problem existing in the background technology, the utility model provides an electromagnetic clutch and a water pump, wherein an iron core is arranged in a transmission component of the water pump or a middle shaft base body, so that the electromagnetic clutch and the transmission component are integrated, a magnetic conduction wheel of the traditional electromagnetic clutch is saved, the space occupied by the electromagnetic clutch is reduced, and the water pump product has a more compact structure, light weight, low cost and fewer faults.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an electromagnetic clutch, which comprises an iron core positioned in a driving wheel, wherein a groove is formed in the surface of one side of the driving wheel, the iron core is positioned in the groove and is not in contact with the groove, and a suction disc is arranged on the other side of the driving wheel.
The iron core is provided with a coil connected with the lead.
The utility model provides a water pump, which comprises a water pump shaft positioned in a shell, wherein one end of the water pump shaft is connected with an impeller, the other end of the water pump shaft is rotatably connected with a fan fixing disc, and the middle part of the water pump shaft is connected with a driving wheel; the shell is connected with the iron core through the mounting seat, the iron core is located in the groove in the side surface of the driving wheel and is not in contact with the groove, and the suction disc connected through the spring piece is arranged on one side, facing the driving wheel, of the fan fixing disc.
The water pump shaft is rotationally connected with the fan fixing disc through a bearing.
The bearing inner ring is connected to the water pump shaft through a shaft sleeve; the bearing outer ring is connected with the fan fixing disc.
The tail end of the water pump shaft is provided with a pressing piece used for pressing the bearing inner ring on the shaft sleeve.
The mount pad is the annular, and the annular is inboard to be connected on the casing through the fastener, and the outside is connected with the iron core through another fastener.
The fan fixing disc is provided with an adjusting piece, and the suction disc is located at one end of the adjusting piece.
The edge of the driving wheel is provided with a magnet, the edge of the fan fixing disc is provided with a magnetic induction piece, and the magnet corresponds to the magnetic induction piece in position; or the magnet is arranged at the edge of the fan fixing disc, and the heat dissipation disc is arranged at the corresponding position of the edge of the driving wheel.
Compared with the prior art, the above one or more technical schemes have the following beneficial effects:
1. the iron core is arranged in the driving wheel and is not in contact with the driving wheel, the iron core is a static and motionless part, the driving wheel rotates, when the electromagnetic clutch performs suction action, the driving wheel can drive the suction disc attached to the driving wheel to rotate together, the structure enables the electromagnetic clutch and the driving part to be integrated, the magnetic conduction wheel of the traditional electromagnetic clutch is saved, and the space occupied by the electromagnetic clutch is reduced.
2. Utilize the inside recess of drive wheel to hold the iron core, the iron core does not contact with the drive wheel simultaneously, but makes the iron core static through the mount pad for the inside function that has formed electromagnetic clutch of drive wheel of water pump, utilize electromagnetic clutch and water pump drive unit's integration, saved traditional electromagnetic clutch's magnetic conduction wheel, reduce the space that electromagnetic clutch occupy, make manufacturing cost reduce, compact structure trouble is low.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic structural diagram of an electromagnetic clutch according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a transmission wheel of an electromagnetic clutch according to a first embodiment of the present invention;
fig. 3 is a schematic top view of a transmission wheel of an electromagnetic clutch according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fixing disc of a fan of an electromagnetic clutch according to a first embodiment of the present invention;
FIG. 5 is a schematic structural view of an electromagnetic clutch according to a second embodiment of the present invention;
fig. 6 is a schematic structural view of a transmission wheel of an electromagnetic clutch according to a second embodiment of the present invention;
fig. 7(a) is a schematic structural view of a fan fixing disk of an electromagnetic clutch according to a second embodiment of the present invention;
fig. 7(b) is a schematic top view of a fixing plate of a fan of an electromagnetic clutch according to a second embodiment of the present invention;
in the figure: 1. the magnetic induction type fan comprises a shell, 2 parts, a fastener, 3 parts of an iron core, 4 parts of a transmission wheel, 5 parts of a fan fixing disc, 6 parts of a half-round key, 7 parts of a shaft sleeve, 8 parts of a pressing piece, 9 parts of a heat dissipation disc, 31 parts of a mounting seat, 41 parts of a magnet, 42 parts of a groove, 51 parts of a magnetic induction piece, 52 parts of an adjusting piece, 53 parts of a bearing, 54 parts of a spring piece and 55 parts of a suction disc.
Detailed Description
The utility model is further described with reference to the following figures and examples.
As described in the background art, the conventional electromagnetic clutch is mounted on the water pump or the intermediate shaft housing, and because the axial space is limited, the electromagnetic clutch can only be mounted at one end of the water pump shaft, and has a heavy weight and a front center of gravity, which results in high manufacturing cost and complex structure and many faults.
Therefore, the following embodiments provide an electromagnetic clutch and a water pump, the iron core is placed in the transmission component of the water pump or the intermediate shaft base body, so that the electromagnetic clutch and the transmission component are integrated, the magnetic conduction wheel of the traditional electromagnetic clutch is saved, the space occupied by the electromagnetic clutch is reduced, and the water pump product has the advantages of more compact structure, light weight, low cost and less faults.
The first embodiment is as follows:
the present embodiment aims to provide an electromagnetic clutch, which includes an iron core 3 located inside a driving wheel 4, as shown in fig. 1-3, a groove 42 is provided on a surface of one side of the driving wheel 4, the iron core 3 is located in the groove 42 and the iron core 3 is not in contact with the groove 42, an attraction disc 55 is provided on the other side of the driving wheel 4, and a coil connected to a wire is provided on the iron core 3.
The coil is electrified through a lead, and the generated magnetic force passes through the side surface of the driving wheel 4 and is transmitted to the attraction disc 55, so that the attraction disc 55 is attached to the side surface of the driving wheel 4 to complete the action of the electromagnetic clutch.
According to the structure, the iron core 3 is arranged inside the driving wheel 4 and is not in contact with the driving wheel 4, the iron core 3 is a static part which does not move, the driving wheel 4 rotates, when the electromagnetic clutch is actuated, the driving wheel 4 can drive the actuation disc 55 attached to the driving wheel 4 to rotate together, the electromagnetic clutch and the driving part are integrated through the structure, the magnetic conduction wheel of the traditional electromagnetic clutch is saved, and the space occupied by the electromagnetic clutch is reduced.
The second embodiment:
as shown in fig. 1 to 4, the present embodiment is directed to a water pump equipped with an electromagnetic clutch according to the first embodiment.
The water pump comprises a water pump shaft positioned in the shell 1, wherein one end of the water pump shaft is connected with an impeller, the other end of the water pump shaft is rotatably connected with a fan fixing disc 5 through a bearing 53, and the middle part of the water pump shaft is connected with a driving wheel 4 through a key (a semicircular key 6 in the embodiment); the iron core 3 is connected in the shell 1 through the mounting seat 31, the iron core 3 is positioned in the groove 42 on the side surface of the transmission wheel 4, and the iron core 3 is not contacted with the groove 42.
The side of the fan fixing disc 5 facing the transmission wheel 4 is provided with a suction disc 55 connected by a spring leaf 54.
The inner ring of the bearing 53 is connected to the water pump shaft through a shaft sleeve 7, and the end of the water pump shaft is provided with a pressing member 8 (a nut in this embodiment) for pressing the inner ring of the bearing 53 on the shaft sleeve 7.
In the structure, the driving wheel 4 drives the water pump shaft and the impeller positioned at one end of the water pump shaft to rotate through a key to realize the supply of the cooling liquid, the fan fixing disc 5 at the other end of the water pump shaft is in a static state due to the existence of the bearing 53, and correspondingly, the heat radiation fan connected with the fan fixing disc 5 is also in a static state;
at the same time, the iron core 3 is fixed on the housing 1 by the mounting seat 31, the iron core 3 is stationary and the transmission wheel 4 rotates.
In this embodiment, the mounting seat 31 is an annular plate-shaped component, the inner side of the annular component is connected to the housing 1 through the fastening member 2, and the outer side of the annular component is fixed to the iron core 3 through another set of fastening members, so that the iron core 3 is stationary.
When the coil on the iron core 3 is electrified, a magnetic field generated by the coil penetrates through the side surface of the driving wheel 4 to reach the attraction disc 55, so that the attraction disc 55 is separated from the limitation of the spring piece 54 and attracted with the side surface of the driving wheel 4, and further, the rotating force of the driving wheel 4 can be transmitted to the fan fixing disc 5 through the attraction disc 55, so that the heat dissipation fan is driven to rotate, the heat dissipation of the water pump is realized, and the electromagnetic clutch function of the heat dissipation fan of the water pump is also realized;
when the heat dissipation is finished, the coil is powered off and loses magnetism, the attraction disc 55 is separated from the driving wheel 4 under the driving of the spring piece 54, at the moment, the rotating speed of the fan fixing disc 5 is gradually reduced, and the driving wheel 4 still rotates at full speed.
In the structure, the iron core 3 is accommodated in the groove 42 in the driving wheel 4, meanwhile, the iron core is not in contact with the driving wheel 4, the iron core 3 is static through the mounting seat 31, the function of the electromagnetic clutch is formed in the driving wheel of the water pump, the electromagnetic clutch and the driving part (the driving wheel 4) of the water pump are integrated, the magnetic conduction wheel of the traditional electromagnetic clutch is saved, the space occupied by the electromagnetic clutch is reduced, the manufacturing cost is reduced, the structure is compact, and the fault is low.
The edges of the driving wheel 4 and the fan fixing disk 5 are respectively provided with a magnet 41 and a magnetic induction piece 51, in the embodiment, the magnetic induction piece 51 is a metal disk with magnetic conductivity; the edge of the driving wheel 4 is provided with a magnet 41, and the edge of the fan fixing disc 5 is provided with a magnetic induction piece 51.
In the structure, because the transmission wheel 4 rotates all the time, in order to ensure that the torque transmitted by the electromagnetic clutch in the attraction way is in a smooth curve, namely, the flexible driving, the magnetic torque is formed by utilizing the magnetic field between the magnet 41 and the magnetic induction piece 51, the fan fixing disc 5 is driven to operate at a relatively low rotating speed in advance, and after the coil on the iron core 3 is electrified to complete the attraction action of the transmission wheel 4 and the attraction disc 55, the fan fixing disc 5 and the transmission wheel 4 rotate coaxially to obtain a high torque.
The fan fixing disk 5 is provided with an adjusting member 52 (the adjusting member 52 in this embodiment is an adjusting bolt penetrating through the fan fixing disk 5), and the depth of the adjusting member 52 screwed into the fan fixing disk 5 changes the length of the suction disk 55 at the other end of the adjusting member 52 extending out of the surface of the fan fixing disk 5, so that the gap between the suction disk 55 on the fan fixing disk 5 and the side surface of the transmission wheel 4 is adjusted, and the suction stroke of the suction disk 55 is also changed.
Example three:
as shown in fig. 5 to 7, the present embodiment is directed to a water pump equipped with an electromagnetic clutch according to the first embodiment.
Compared with the second embodiment, the magnet 41 and the magnetic induction member 51 in this embodiment are both disposed at the edge of the fan fixing disk 5, and the heat dissipation disk 9 is disposed at the corresponding position of the edge of the driving wheel 4.
The structure is also used for realizing flexible driving, because the driving wheel 4 is a metal part, the existence of the magnet 41 can drive the fan fixing disc 5 to operate at a relatively low rotating speed in advance, and after the coil on the iron core 3 is electrified to complete the suction action of the driving wheel 4 and the suction disc 55, the fan fixing disc 5 and the driving wheel 4 rotate coaxially to obtain a high torque.
And the heat dissipation disc 9 is contacted with air when the driving wheel 4 rotates, so that the heat dissipation of the water pump is facilitated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An electromagnetic clutch, characterized in that: the iron core is positioned in the transmission wheel, a groove is formed in the surface of one side of the transmission wheel, the iron core is positioned in the groove and is not in contact with the groove, and a suction disc is arranged on the other side of the transmission wheel.
2. An electromagnetic clutch as set forth in claim 1 wherein: and the iron core is provided with a coil connected with a wire.
3. A water pump, characterized by: the fan pump comprises a water pump shaft positioned in a shell, wherein one end of the water pump shaft is connected with an impeller, the other end of the water pump shaft is rotatably connected with a fan fixing disc, and the middle part of the water pump shaft is connected with a driving wheel; the shell is connected with the iron core through the mounting seat, the iron core is located in the groove in the side surface of the driving wheel and is not in contact with the groove, and the suction disc connected through the spring piece is arranged on one side, facing the driving wheel, of the fan fixing disc.
4. A water pump as claimed in claim 3, wherein: the water pump shaft is rotatably connected with the fan fixing disc through a bearing.
5. The water pump of claim 4, wherein: the inner ring of the bearing is connected to the water pump shaft through a shaft sleeve.
6. A water pump as claimed in claim 4, wherein: and the outer ring of the bearing is connected with the fan fixing disc.
7. A water pump as claimed in claim 3, wherein: and a pressing piece is arranged at the tail end of the water pump shaft and used for pressing the bearing inner ring on the shaft sleeve.
8. A water pump as claimed in claim 3, wherein: the mounting seat is annular, and the annular is inboard to be connected on the casing through the fastener, and the outside is connected with the iron core through another fastener.
9. A water pump as claimed in claim 3, wherein: the fan fixing disc is provided with an adjusting piece, and the suction disc is located at one end of the adjusting piece.
10. A water pump as claimed in claim 3, wherein: the edge of the driving wheel is provided with a magnet, the edge of the fan fixing disc is provided with a magnetic induction piece, and the position of the magnet corresponds to that of the magnetic induction piece; or the magnet is arranged at the edge of the fan fixing disc, and the heat dissipation disc is arranged at the corresponding position of the edge of the driving wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220132830.XU CN216767540U (en) | 2022-01-18 | 2022-01-18 | Electromagnetic clutch and water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220132830.XU CN216767540U (en) | 2022-01-18 | 2022-01-18 | Electromagnetic clutch and water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767540U true CN216767540U (en) | 2022-06-17 |
Family
ID=81978162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220132830.XU Active CN216767540U (en) | 2022-01-18 | 2022-01-18 | Electromagnetic clutch and water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767540U (en) |
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2022
- 2022-01-18 CN CN202220132830.XU patent/CN216767540U/en active Active
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