CN214367370U - Spring buffer two-speed electromagnetic fan clutch - Google Patents
Spring buffer two-speed electromagnetic fan clutch Download PDFInfo
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- CN214367370U CN214367370U CN202023047278.4U CN202023047278U CN214367370U CN 214367370 U CN214367370 U CN 214367370U CN 202023047278 U CN202023047278 U CN 202023047278U CN 214367370 U CN214367370 U CN 214367370U
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Abstract
The utility model relates to a clutch technical field, for the early inefficacy of solving electromagnetic fan clutch, or the fracture of fan leaf and the great problem of electromagnetic fan clutch to the train impact of engine, the utility model provides a spring buffering two-speed electromagnetic fan clutch, including electromagnetic fan clutch, electromagnetic fan clutch includes main shaft and driven plate, the driven plate passes through the bearing and is connected with the main shaft, the outer lane of driven plate is equipped with the fan, and the intracavity of driven plate is equipped with the iron core, the iron core passes through the bearing and connects on the main shaft, the front end of driven plate is equipped with the driving plate, the driving plate rear end is equipped with the friction disk fixed plate, be equipped with spring buffer on the driving plate. The device can avoid fan fracture caused by torsional vibration of a crankshaft or vibration of an engine and other factors, or early failure of electromagnetic clutch parts, and also reduces impact on a front-end gear train of the engine when the fan clutch is combined.
Description
Technical Field
The utility model belongs to the technical field of the clutch technique and specifically relates to just a spring buffering two-speed electromagnetic fan clutch.
Background
The known electromagnetic fan clutch for the automobile engine is generally arranged at the front end of a crankshaft, the front end of a fan bracket or the front end of a water pump, and particularly the electromagnetic fan clutch arranged at the front end of the crankshaft often causes early failure of the electromagnetic fan clutch or breakage of fan blades due to torsional vibration of the crankshaft; since the electromagnetic fan clutch mounted on the fan bracket also has a large impact on the gear train of the engine, there is a need for an electromagnetic fan clutch having a damper device.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the present invention provides a spring buffer two-speed electromagnetic fan clutch which can be installed on the front section of the engine crankshaft and also on the fan bracket.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a spring buffering two-speed electromagnetic fan clutch, includes electromagnetic fan clutch, electromagnetic fan clutch includes main shaft and driven plate, the driven plate passes through the bearing and is connected with the main shaft, the outer lane of driven plate is equipped with the fan, and the intracavity of driven plate is equipped with the iron core, the iron core passes through the bearing and connects on the main shaft, the front end of driven plate is equipped with the initiative board, initiative board rear end is equipped with the friction disk fixed plate, be equipped with spring buffer on the initiative board.
Preferably, the spring buffer device comprises a spring fixing plate arranged at the front end of the driving plate and a spring mounting groove arranged on the driving plate, the spring fixing plate is rigidly connected with the friction disc fixing plate, a cylindrical spring is mounted in the spring mounting groove, spring fixing grooves are arranged on the spring fixing plate and the friction disc fixing plate, and the spring fixing grooves correspond to the spring mounting groove and are used for fixing the cylindrical spring.
Preferably, the friction disc fixing plate is rigidly connected with the heat dissipation plate, the flat plate spring piece and the friction disc (10) respectively, inner rings of the spring fixing plate and the friction disc fixing plate are provided with support rings, and the support rings are connected with the spring fixing plate and the friction disc fixing plate through convex columns respectively.
Preferably, the driving plate is further provided with a rivet overtravel groove.
Preferably, a magnet fixing disc is fixed on the end face of the outer ring of the driven disc, an even number of permanent magnets are distributed on the magnet fixing disc, and the magnetic poles of the two adjacent permanent magnets are opposite.
Preferably, the flat plate spring piece is rigidly connected with the friction disc, the friction disc corresponds to the driven disc, a circle of magnetism isolating groove is arranged on the friction disc, and two circles of magnetism isolating grooves are arranged on the driven disc.
As optimization, the heat dissipation plate is embedded with a soft iron plate, and the soft iron plate corresponds to the permanent magnet.
Preferably, the driven plate, the friction plate and the soft iron plate are made of magnetic materials, and the heat dissipation plate and the magnet fixing plate are made of non-magnetic materials.
As optimization, the driven disc, the soft iron disc and the two adjacent permanent magnets form a closed permanent magnet loop.
Preferably, the iron core is fixedly connected with the engine through an iron core fixing plate.
The beneficial effect of this scheme is: the friction disc and the driven disc are attracted together by magnetic field force generated by the iron core of the device, and rotate synchronously along with the main shaft, the fan also rotates synchronously along with the main shaft, so that the powerful cooling effect can be realized, the cylindrical spring of the device plays a role in buffering, the fan fracture caused by torsional vibration of a crankshaft or vibration of an engine and other factors or early failure of electromagnetic clutch parts is avoided, and the impact on a front-end gear train of the engine when the fan clutch is combined is also reduced.
Drawings
Fig. 1 is a schematic structural diagram of the electromagnetic fan clutch of the present invention.
Fig. 2 is a schematic view of the support ring of the present invention.
Fig. 3 is a schematic cross-sectional view of the support ring of the present invention.
Figure 4 is the utility model discloses the initiative board main view schematic diagram.
Figure 5 is the utility model discloses magnet fixed disk structure sketch map.
Fig. 6 is a schematic view of the driven plate of the present invention.
Fig. 7 is a schematic front view of the friction disc of the present invention.
Fig. 8 is a schematic view of a permanent magnet circuit formed by the driven plate, the soft iron plate and the permanent magnet according to the present invention.
Fig. 9 is a schematic view of the structure of the spring buffer device of the present invention.
Wherein: 1. the magnetic friction disc type motor comprises a main shaft, 2, an iron core, 3, a fan, 4, a driven disc, 5, a permanent magnet, 6, a screw, 7, a friction disc fixing plate, 8, a flat spring plate, 9, a cylindrical spring, 10, a friction disc, 11, a driving plate, 12, a support ring, 13, a nut, 14, a gasket, 15, a spacer bush, 16, a spring fixing plate, 17, a flat spring plate fixing screw, 18, a cylindrical rivet, 19, a friction disc screw, 20, a heat dissipation disc, 21, a soft iron disc, 22, a magnet fixing disc, 23, an iron core fixing plate, 24, a convex column, 25, a rivet overtravel groove, 26, a spring mounting groove, 27 and a magnetism isolating groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the embodiment shown in fig. 1, the spring-buffered two-speed electromagnetic fan clutch includes an electromagnetic fan clutch, the electromagnetic fan clutch includes a main shaft 1 and a driven plate 4, the driven plate 4 is connected with the main shaft 1 through a bearing, a fan 3 is disposed on an outer ring of the driven plate 4, an iron core 2 is disposed in a cavity of the driven plate 4, the iron core 2 is connected to the main shaft 1 through a bearing, a driving plate 11 is disposed at a front end of the driven plate 4, a friction disc fixing plate 7 is disposed at a rear end of the driving plate 11, and a spring buffering device is disposed on the driving plate 11.
The spring buffer device comprises a spring fixing plate 16 arranged at the front end of the driving plate 11 and a spring mounting groove 26 arranged on the driving plate 11, the spring fixing plate 16 is riveted with the friction disc fixing plate 7 through a cylindrical rivet 18, a cylindrical spring 9 is mounted in the spring mounting groove 26, spring fixing grooves are formed in the spring fixing plate 16 and the friction disc fixing plate 7, and correspond to the spring mounting groove 26 and are used for fixing the cylindrical spring 9.
The friction disc fixing plate 7 is respectively connected with the heat dissipation plate 20, the flat plate type spring piece 8 and the friction disc 10 through screws, inner rings of the spring fixing plate 16 and the friction disc fixing plate 7 are respectively provided with a support ring 12, and the support rings 12 are respectively connected with the spring fixing plate 16 and the friction disc fixing plate 7 through convex columns 24.
As shown in fig. 4, the driving plate 11 is further provided with a rivet overtravel slot 25.
As shown in fig. 5, a magnet fixing plate 22 is fixed on the outer ring end face of the driven plate 4, an even number of permanent magnets are distributed on the magnet fixing plate 22, and the magnetic poles of two adjacent permanent magnets are opposite.
The plate spring plate 8 and the friction disc 10 are connected through a friction disc screw 19, the friction disc 10 corresponds to the driven disc 4, as shown in fig. 7, a circle of magnetism isolating grooves 27 are formed in the friction disc 10, and as shown in fig. 6, two circles of magnetism isolating grooves 27 are formed in the driven disc 4.
The heat dissipation plate 20 is embedded with a soft iron plate 21, and the soft iron plate 21 corresponds to the permanent magnet 5.
The driven plate 4, the friction plate 10 and the soft iron plate 21 are made of magnetic conductive materials, and the heat dissipation plate 20 and the magnet fixing plate 22 are made of non-magnetic conductive materials.
As shown in fig. 8, the driven plate 4, the soft iron plate 21 and two adjacent permanent magnets 5 form a closed permanent magnet loop.
The iron core 2 is fixedly connected with the engine through an iron core fixing plate 23.
The working principle is as follows: as shown in fig. 1, when the engine starts to work, the water temperature is low, the crankshaft of the engine drives the spindle 1 of the electromagnetic fan clutch to rotate, the driving plate 11 clamped by the nut 13, the washer 14 and the spacer bush 15 rotates synchronously with the spindle 1, when the driving plate 11 rotates, the cylindrical spring 9 is firstly compressed, the cylindrical spring 9 compresses the spring fixing plate 16 and the friction disc fixing plate 7, and drives the friction disc fixing plate 7 and the spindle 1 to rotate synchronously, the friction disc fixing plate 7 drives the heat dissipation disc 20 to rotate through the screw 6, the soft iron disc 21 embedded in the heat dissipation disc 20, the permanent magnet 5 and the outer ring of the driven disc 4 form a permanent magnetic field, and the generated magnetic field force drives the driven disc 4 and the fan 3 to rotate at 50% -70% of the rotation speed of the spindle 1; when the cylindrical spring 9 presses the spring fixing plate 16 and the friction disc fixing plate 7, the length of the spring fixing plate 16 and the friction disc fixing plate 7 is shortened due to the pressure, so that the spring fixing plate 16 and the friction disc fixing plate 7 rotate around the gasket 14 and the spacer 15 through the support ring 12 at an angle to play a role of buffering, and the size of the rotation angle changes along with the size of the load. When the water temperature of the engine is high, the electromagnetic coil is electrified, the friction disc 10 and the driven disc 4 are attracted together by magnetic field force generated by the iron core 2 and synchronously rotate along with the main shaft 1, and the fan 3 also synchronously rotates along with the main shaft to play a role of powerful cooling; in the process of attracting the friction disc 10 and the driven disc 4, the load of the fan 3 is transmitted to the spring fixing plate 16 through the friction disc 10, the friction disc screws 19, the plate spring pieces 8 and the plate spring piece fixing screws 17, and as the load is increased, the cylindrical springs 9 are compressed to be shorter, the spring fixing plate 16 and the friction disc fixing plate 7 can generate a larger rotating angle to play a larger buffering role.
Due to the buffering effect of the cylindrical spring, the fan fracture caused by torsional vibration of a crankshaft or vibration of an engine or the early failure of parts of the electromagnetic clutch is avoided, and the impact on a gear train at the front end of the engine when the fan clutch is combined is also relieved.
The above embodiments are only specific embodiments of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, and any suitable changes or modifications to the spring buffer two-speed electromagnetic fan clutch and the person of ordinary skill in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a spring buffering two-speed electromagnetic fan clutch, includes electromagnetic fan clutch, electromagnetic fan clutch includes main shaft (1) and driven plate (4), driven plate (4) are connected with main shaft (1) through the bearing, the outer lane of driven plate (4) is equipped with fan (3), and the intracavity of driven plate (4) is equipped with iron core (2), iron core (2) are connected on main shaft (1) through the bearing, the front end of driven plate (4) is equipped with driving plate (11), driving plate (11) rear end is equipped with friction disk fixed plate (7), its characterized in that: and a spring buffer device is arranged on the driving plate (11).
2. The spring-damper two-speed electromagnetic fan clutch according to claim 1, wherein: the spring buffer device comprises a spring fixing plate (16) arranged at the front end of the driving plate (11) and a spring mounting groove (26) arranged on the driving plate (11), the spring fixing plate (16) is in rigid connection with the friction disc fixing plate (7), a cylindrical spring (9) is mounted in the spring mounting groove (26), spring fixing grooves are formed in the spring fixing plate (16) and the friction disc fixing plate (7), and correspond to the spring mounting groove (26) and are used for fixing the cylindrical spring (9).
3. The spring-damper two-speed electromagnetic fan clutch according to claim 2, wherein: the friction disc fixing plate (7) is respectively and rigidly connected with the heat dissipation plate (20), the flat plate type spring piece (8) and the friction disc (10), the inner rings of the spring fixing plate (16) and the friction disc fixing plate (7) are respectively provided with a support ring (12), and the support rings (12) are respectively connected with the spring fixing plate (16) and the friction disc fixing plate (7) through convex columns (24).
4. The spring-damper two-speed electromagnetic fan clutch according to claim 1, wherein: the driving plate (11) is also provided with a rivet overtravel groove (25).
5. The spring-damper two-speed electromagnetic fan clutch according to claim 1, wherein: and a magnet fixing disc (22) is fixed on the end face of the outer ring of the driven disc (4), an even number of permanent magnets are distributed on the magnet fixing disc (22), and the magnetic poles of the two adjacent permanent magnets are opposite.
6. A spring-damper two-speed electromagnetic fan clutch as set forth in claim 3, wherein: the friction disc is characterized in that the plate spring piece (8) is rigidly connected with the friction disc (10), the friction disc (10) corresponds to the driven disc (4), a circle of magnetism isolating groove (27) is formed in the friction disc (10), and two circles of magnetism isolating grooves (27) are formed in the driven disc (4).
7. A spring-damper two-speed electromagnetic fan clutch as set forth in claim 3, wherein: the heat dissipation plate (20) is embedded with a soft iron plate (21), and the soft iron plate (21) corresponds to the permanent magnet (5).
8. The spring-damper two-speed electromagnetic fan clutch of claim 7, wherein: the driven plate (4), the friction plate (10) and the soft iron plate (21) are made of magnetic conductive materials, and the heat dissipation plate (20) and the magnet fixing plate (22) are made of non-magnetic conductive materials.
9. The spring-damper two-speed electromagnetic fan clutch of claim 7, wherein: the driven plate (4), the soft iron plate (21) and the two adjacent permanent magnets (5) form a closed permanent magnet loop.
10. The spring-damper two-speed electromagnetic fan clutch according to claim 1, wherein: the iron core (2) is fixedly connected with the engine through an iron core fixing plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023047278.4U CN214367370U (en) | 2020-12-17 | 2020-12-17 | Spring buffer two-speed electromagnetic fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023047278.4U CN214367370U (en) | 2020-12-17 | 2020-12-17 | Spring buffer two-speed electromagnetic fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214367370U true CN214367370U (en) | 2021-10-08 |
Family
ID=77985393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023047278.4U Active CN214367370U (en) | 2020-12-17 | 2020-12-17 | Spring buffer two-speed electromagnetic fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214367370U (en) |
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2020
- 2020-12-17 CN CN202023047278.4U patent/CN214367370U/en active Active
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Effective date of registration: 20211109 Address after: 261000 plant 1, Weichai international supporting industrial park, east of Gaoxin seventh Road, Yingqian street, Wenquan development section, Weifang High tech Zone, Weifang City, Shandong Province Patentee after: Shandong Yutai Intelligent Technology Co.,Ltd. Address before: 265716 Longkou Economic Development Zone, Yantai, Shandong, Longkou City Patentee before: LONGKOU ZHONGYU THERMAL MANAGEMENT SYSTEM TECHNOLOGY Co.,Ltd. |