CN219101903U - Electromagnetic coil unit, clutch and automobile - Google Patents
Electromagnetic coil unit, clutch and automobile Download PDFInfo
- Publication number
- CN219101903U CN219101903U CN202320200832.2U CN202320200832U CN219101903U CN 219101903 U CN219101903 U CN 219101903U CN 202320200832 U CN202320200832 U CN 202320200832U CN 219101903 U CN219101903 U CN 219101903U
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- push ring
- hole
- electromagnetic coil
- clutch
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Abstract
The utility model relates to the technical field of vehicle engineering, in particular to an electromagnetic coil unit, a clutch and an automobile. The utility model provides an electromagnetic coil unit, comprising: push ring and coil main part. The coil main body is provided with a through hole, and the push ring is inserted into the through hole. A chip removal structure for discharging impurities outwards is arranged between the push ring and the inner wall of the through hole. Through setting up the impurity that chip removal structure is used for discharging between push ring and the coil main part, can guarantee the cleanness between push ring and the coil main part, compare in prior art, can avoid between push ring and the coil main part because of impurity (metal particle) takes place the jamming, guarantee the normal operating of clutch.
Description
Technical Field
The utility model relates to the technical field of vehicle engineering, in particular to an electromagnetic coil unit, a clutch and an automobile.
Background
The clutch is positioned between the engine and the gearbox, and a driver can press or release the clutch pedal according to the requirement during the running process of the automobile, so that the engine and the gearbox are temporarily separated and gradually combined to cut off or transfer the power input by the engine to the gearbox.
Under normal conditions, the clutch comprises a solenoid unit, a transmission gear, a main shaft and other structures, the solenoid unit is sleeved on the main shaft, and the transmission gear is meshed or separated through the axial movement of the solenoid along the main shaft, so that the power input by the engine to the gearbox is cut off or transmitted.
The electromagnetic coil unit comprises an electromagnetic coil and a push ring, the push ring is sleeved on the main shaft, the electromagnetic coil is sleeved outside the push ring, and when the electromagnetic coil is electrified, the electromagnetic coil and the push ring move along the axial direction of the main shaft, so that the transmission teeth can be pushed.
The lubricating oil is arranged between the push ring and the electromagnetic coil for lubrication, but impurities such as metal particles can be mixed in the lubricating oil, and as gaps between the electromagnetic coil and the push ring are too small (usually only 0.1-0.2 mm), the impurities can squeeze the gaps, so that axial movement clamping stagnation between the push ring and the electromagnetic coil is caused, and normal use of the clutch is affected.
Disclosure of Invention
The utility model solves the problems that: the gap between the push ring and the electromagnetic coil of the existing clutch is too small, and impurities in the gap between the push ring and the electromagnetic coil can cause axial movement clamping stagnation between the push ring and the electromagnetic coil, so that the normal use of the clutch is affected.
(II) technical scheme
In order to solve the above technical problems, an embodiment of an aspect of the present utility model provides an electromagnetic coil, including: a push ring and a coil body;
the coil main body is provided with a through hole, and the push ring is inserted into the through hole;
and a chip removal structure for discharging impurities out of the through hole is arranged between the push ring and the inner wall of the through hole.
According to an embodiment of the present utility model, further, the chip removing structure is a groove disposed on an inner wall of the through hole.
According to an embodiment of the utility model, further, the groove is provided with a plurality of grooves;
according to an embodiment of the present utility model, all the grooves are arranged at intervals along the circumferential direction of the through hole.
According to an embodiment of the present utility model, further, the groove is a spiral groove.
According to an embodiment of the present utility model, further, the push ring and the electromagnetic coil can rotate relatively.
According to an embodiment of the present utility model, further, the rotation direction of the groove is the same as the rotation direction of the push ring.
According to an embodiment of the utility model, further, the groove has a first end and a second end along a direction of rotation of the groove;
the second end of the groove is communicated with the outside.
According to an embodiment of the present utility model, further, the depth of the groove is
0.1mm-1.5mm。
An embodiment of the second aspect of the present utility model further provides a clutch, including the electromagnetic coil unit according to any one of the above embodiments.
An embodiment of a third aspect of the present utility model also provides an automobile, including the clutch described in the above embodiment.
The utility model has the beneficial effects that:
the utility model provides an electromagnetic coil unit, comprising: push ring and coil main part. The coil main body is provided with a through hole, and the push ring is inserted into the through hole. And a chip removal structure for discharging impurities out of the through hole is arranged between the push ring and the inner wall of the through hole.
Through setting up the impurity that chip removal structure is used for discharging between push ring and the coil main part, can guarantee the cleanness between push ring and the coil main part, compare in prior art, can avoid taking place the jamming between push ring and the coil main part, guarantee the normal operating of clutch.
The utility model also provides a clutch, and the beneficial effects of the clutch are the same as those of the electromagnetic coil unit, and are not repeated here.
The utility model also provides an automobile, and the beneficial effects of the slideway automobile are the same as those of the clutch, and are not repeated here.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an electromagnetic coil unit according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a coil body according to an embodiment of the present utility model;
FIG. 3 is a schematic structural diagram of a push ring according to an embodiment of the present utility model;
fig. 4 is a cross-sectional view of a coil body according to an embodiment of the present utility model.
Icon: 1-an electromagnetic coil unit; 11-push ring; 12-coil body; 121-a through hole; 122-grooves; 1221-a first end; 1222-a second end.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, an embodiment of the present utility model provides an electromagnetic coil unit 1 including: a push ring 11 and a coil body 12;
a through hole 121 is formed in the coil main body 12, and the push ring 11 is inserted into the through hole 121;
a chip removing structure for discharging impurities out of the through hole 121 is arranged between the push ring 11 and the inner wall of the through hole 121.
The electromagnetic coil unit 1 provided by the embodiment of the utility model comprises a push ring 11 and a coil main body 12. The coil body 12 is of an annular structure wound by a coil, a through hole 121 is formed in the center of the coil body 12, the push ring 11 is inserted into the through hole 121, and in order to ensure that the push ring 11 and the through hole 121 can rotate circumferentially and slide axially relatively, a gap of 0.1-0.2mm is formed between the push ring 11 and the inner wall of the through hole 121.
Wherein, both ends of the through hole 121 communicate with the outside, and the inner wall of the through hole 121, i.e., the inner side wall of the through hole 121.
In this embodiment, the push ring 11 has a ring shape, and the push ring 11 is located in the through hole 121 formed in the coil body 12.
When in use, the push ring 11 is also sleeved on the main shaft of the clutch.
In the present embodiment, the electromagnetic coil unit 1 is applied to a clutch, the coil body 12 is connected to a power source of an application device, and when the power is supplied, the coil body 12 can generate a magnetic field, and the push ring 11 can be slid in the axial direction of the coil body 12 by the magnetic field.
Specifically, the push ring 11 can be slid in the axial direction of the coil main body 12 on the main shaft of the clutch.
In the present embodiment, the above mentions that there is a gap between the push ring 11 and the inner wall of the through hole 121, and that there is lubricating oil in the gap, which is used to lubricate between the inner wall of the through hole 121 and the push ring 11. In this embodiment, a chip removing structure is further disposed between the inner wall of the through hole 121 and the push ring 11, and the chip removing structure can discharge impurities, such as metal particles, between the push ring 11 and the inner wall of the through hole 121, so as to avoid jamming between the push ring 11 and the coil body 12.
When the coil is used, the push ring 11 and the coil main body 12 rotate circumferentially relative to each other, and impurities are discharged out of a gap between the push ring 11 and the coil main body 12 through the chip removal structure under the action of the chip removal structure.
In this embodiment, through setting up the impurity that chip removal structure is used for discharging between push ring 11 and the coil main part 12, can guarantee the cleanness between push ring 11 and the coil main part 12, compare in prior art, can avoid the push ring 11 to take place the jamming between the coil main part 12, guarantee the normal operating of clutch.
The electromagnetic coil unit 1 provided by the embodiment of the utility model, the clutch comprises a rotating shaft, and the transmission teeth for realizing the clutch are fixed on the main shaft, wherein the transmission teeth can be tooth-shaped cogwheels, and the push ring 11 is abutted with the transmission teeth. When the electric power generation device is used, the coil main body 12 is electrified to generate a magnetic field, the push ring 11 slides along the axial direction of the coil main body 12, and then the transmission teeth can be pushed to slide along the axial direction of the main shaft.
It should be noted that, the principle of applying power to the coil body 12 to slide the push ring 11 in the axial direction is well known in the art, and will not be described herein.
Alternatively, the push ring 11 may be secured to the main shaft of the clutch by a splined connection, or the like.
Optionally, as shown in fig. 1 to fig. 4, in the electromagnetic coil unit 1 provided in the embodiment of the present utility model, the chip removing structure is a groove 122 disposed on an inner wall of the through hole 121.
In this embodiment, the chip removing structure is formed by forming the groove 122 on the inner wall of the through hole 121, which has the advantages of simple structure, convenient arrangement and low cost.
In the present embodiment, the groove 122 may be preferably integrally formed with the push ring 11, which can improve the production efficiency.
It will be appreciated that in the present embodiment, the chip removing structure may also be a chip removing hole provided on the coil body 12, one end of the chip removing hole is in communication with the outside, and the other end is in communication with the through hole 121 on the coil body 12, which can also achieve the purpose of discharging the impurities between the push ring 11 and the inner wall of the through hole 121 in the present embodiment.
It will be appreciated that in the present embodiment, the chip removing structure may be a chip removing groove provided on a side wall of the push ring 11 in the same manner as the groove 122 on the inner wall of the through hole 121, for example, a spiral groove having the same rotation direction as the push ring 11, which can also achieve the purpose of discharging impurities between the push ring 11 and the inner wall of the through hole 121 out of the through hole 121 in the present embodiment.
In this embodiment, alternatively, in order to improve the chip removal effect, the groove 122 may be disposed on the outer side wall of the push ring 11 and the inner wall of the through hole 121 at the same time, and also be a spiral groove with the same rotation direction as the push ring 11, which can also achieve the purpose of discharging the impurities between the push ring 11 and the inner wall of the through hole 121 out of the through hole 121 in this embodiment.
As shown in fig. 1 to 4, the electromagnetic coil unit 1 provided in the embodiment of the present utility model is provided with a plurality of grooves 122.
All the grooves 122 are arranged at intervals along the circumferential direction of the through hole 121.
In this embodiment, a plurality of grooves 122 are formed on the inner wall of the through hole 121, so as to discharge impurities between the push ring 11 and the inner wall of the through hole 121 out of the through hole 121 to the greatest extent, avoid jamming between the push ring 11 and the coil main body 12, and ensure normal operation of the clutch.
Preferably, in the present embodiment, all the grooves 122 are disposed at intervals along the circumferential direction of the through-hole 121, and all the grooves 122 are uniformly distributed along the circumferential direction of the through-hole 121.
In the present embodiment, by uniformly distributing the grooves 122 on the inner wall of the through hole 121, it is possible to avoid occurrence of a local dead zone between the push ring 11 and the inner wall of the through hole 121, resulting in occurrence of a sticking phenomenon between the push ring 11 and the coil body 12.
As shown in fig. 1 to 4, in the electromagnetic coil unit 1 provided in the embodiment of the present utility model, the groove 122 is a spiral groove.
In this embodiment, it is mentioned that there is relative rotation between the push ring 11 and the coil main body 12, when the push ring 11 rotates, the lubricant can be driven to flow, the groove 122 is set into a spiral shape, so that the lubricant between the push ring 11 and the inner wall of the through hole 121 can be discharged out of the gap between the push ring 11 and the through hole 121, and then the impurities mixed in the lubricant can be discharged out, so that the clamping stagnation between the push ring 11 and the coil main body 12 is avoided, and the normal operation of the clutch is ensured.
Preferably, in the electromagnetic coil unit 1 provided in the embodiment of the present utility model, the rotation direction of the groove 122 is the same as the rotation direction of the push ring 11.
In this embodiment, it is preferable that the spiral grooves 122 have the same rotation direction. When the push ring 11 rotates, the lubricant between the push ring 11 and the inner wall of the through hole 121 can be driven to flow in the same direction as the rotation direction of the push ring 11, and the spiral groove 122 rotates in the same direction as the rotation direction of the push ring 11.
In use, the push ring 11 can drive the lubricant containing impurities to flow in the spiral groove 122, and then can promote the impurities in the lubricant to be discharged out of the through hole 121.
Through setting up the spiral direction of recess 122 according to push ring 11's direction of rotation, during the use, can improve the discharge efficiency of impurity, avoid impurity to stop between push ring 11 and the inner wall of through-hole 121, avoid appearing pushing ring 11 and coil main part 12 between the jamming, guarantee the normal operating of clutch.
If, in normal use, the push ring 11 rotates clockwise, the spiral groove 122 rotates clockwise.
Alternatively, in normal use, the push ring 11 is rotated counterclockwise, and the direction of rotation of the helical groove 122 is reversed.
As shown in fig. 1 to 4, in the electromagnetic coil unit 1 provided in the embodiment of the present utility model, the groove 122 has a first end 1221 and a second end 1222 along the rotation direction of the groove 122.
The second end 1222 of the recess 122 is in communication with the outside.
In the present embodiment, the groove 122 has two ends, and along the rotation direction of the groove 122, the two ends are a first end 1221 and a second end 1222, respectively, that is, the first end 1221 is the starting point of the groove 122, the second end 1222 is the ending point of the groove 122, and the impurities are discharged out of the groove 122 through the second end 1222.
In this embodiment, the second end 1222 is in communication with the outside world, and impurities exit the recess 122 through the second end 1222.
In this embodiment, the electromagnetic coil unit 1 is disposed in a housing of the clutch, and the housing of the clutch or the housing of the clutch is externally provided with a structure such as an oil pump, and the lubricating oil mixed with impurities discharged from the groove 122 can be pumped away by the oil pump, enter the filter and the heat exchanger, and after being filtered by the filter and heat exchanged by the heat exchanger, the lubricating oil enters the housing of the clutch again to work.
According to the electromagnetic coil unit 1 provided by the embodiment of the utility model, the depth of the groove 122 is preferably 0.1-1.5mm.
In this embodiment, the depth of the groove 122 is greater than or equal to 0.1mm and less than or equal to 1.5mm, so as to ensure that impurities between the push ring 11 and the inner wall of the through hole 121 can be discharged after the groove 122 is provided, and meanwhile, the normal working condition of the coil main body 12 can be avoided.
According to the electromagnetic coil unit 1 provided by the embodiment of the utility model, a plurality of spiral grooves 122 are formed on the inner wall of the through hole 121 on the electromagnetic coil at intervals, the push ring 11 is assembled in the through hole 121 on the electromagnetic coil, and the push ring 11 is also assembled on the main shaft of the clutch.
When the clutch is used, the main shaft drives the push ring 11 to rotate, the push ring 11 drives lubricating oil between the push ring 11 and the inner wall of the through hole 121 to flow, and as the rotation direction of the groove 122 is the same as the rotation direction of the push ring 11, metal particles mixed in the lubricating oil can be discharged out of the through hole 121 (a gap between the push ring 11 and the inner wall of the through hole 121) along with the lubricating oil quickly, so that the phenomenon that impurities squeeze the gap between the push ring 11 and the inner wall of the through hole 121 to cause axial movement clamping stagnation between the push ring 11 and the coil main body 12 is avoided, and the normal use of the clutch is ensured.
The second embodiment of the present utility model also provides a clutch comprising the electromagnetic coil unit 1 according to any of the above embodiments.
In this embodiment, the clutch further includes a main shaft and drive teeth.
In this embodiment, the main shaft of the clutch is in transmission connection with the output shaft of the power source (engine, motor or combination of engine and motor), the output shaft of the power source drives the main shaft of the clutch to rotate, and the main shaft drives the push ring 11 to rotate.
In the clutch provided in this embodiment, since the inner wall of the through hole 121 of the coil main body 12 is provided with the plurality of spiral grooves 122, when in use, the clamping stagnation of the push ring 11 can be avoided to the greatest extent, and meanwhile, the lubrication effect between the push ring 11 and the coil main body 12 is enhanced, and compared with the existing clutch, the service life is longer and the on-off effect is better.
The third embodiment of the present utility model also provides an automobile including the electromagnetic coil unit 1 described in the above embodiment.
In this embodiment, the automobile includes a power source (an engine, a motor, or a combination of the engine and the motor), the power source has an output shaft, a main shaft of the clutch is in transmission connection with the output shaft of the power source, power output by the power source is transmitted to wheels through the clutch, and the clutch is provided between the wheels and the power source for controlling on-off of power transmission.
The automobile provided by the embodiment has better lubrication effect by arranging the clutch, and can avoid clamping stagnation between the push ring 11 and the coil main body 12 of the clutch, so that the service life is longer and the automobile is safer.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. An electromagnetic coil unit, comprising: a push ring (11) and a coil body (12);
the coil main body (12) is provided with a through hole (121), and the push ring (11) is inserted into the through hole (121);
a chip removal structure for discharging impurities out of the through hole (121) is arranged between the push ring (11) and the inner wall of the through hole (121).
2. The electromagnetic coil unit as set forth in claim 1, wherein the chip ejection structure is a groove (122) provided in an inner wall of the through hole (121).
3. The electromagnetic coil unit as set forth in claim 2, wherein the recess (122) is provided with a plurality of;
all the grooves (122) are arranged at intervals along the circumferential direction of the through hole (121).
4. The electromagnetic coil unit as set forth in claim 2, wherein the recess (122) is a spiral-shaped recess.
5. The electromagnetic coil unit as set forth in claim 4, characterized in that the push ring (11) and the electromagnetic coil are rotatable relative to each other.
6. The electromagnetic coil unit as set forth in claim 5, wherein the rotation direction of the groove (122) is the same as the rotation direction of the push ring (11).
7. The electromagnetic coil unit as set forth in claim 2, wherein the groove (122) has a first end (1221) and a second end (1222) along a spin direction of the groove (122);
the second end (1222) of the recess (122) communicates with the outside.
8. The electromagnetic coil unit as set forth in claim 2, wherein the depth of the recess (122) is 0.1-1.5mm.
9. Clutch, characterized by comprising a solenoid unit (1) according to any of claims 1 to 8.
10. An automobile comprising the clutch of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320200832.2U CN219101903U (en) | 2023-02-13 | 2023-02-13 | Electromagnetic coil unit, clutch and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320200832.2U CN219101903U (en) | 2023-02-13 | 2023-02-13 | Electromagnetic coil unit, clutch and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219101903U true CN219101903U (en) | 2023-05-30 |
Family
ID=86457805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320200832.2U Active CN219101903U (en) | 2023-02-13 | 2023-02-13 | Electromagnetic coil unit, clutch and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219101903U (en) |
-
2023
- 2023-02-13 CN CN202320200832.2U patent/CN219101903U/en active Active
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