CN111853084A - Electromagnetic clutch - Google Patents
Electromagnetic clutch Download PDFInfo
- Publication number
- CN111853084A CN111853084A CN202010668963.4A CN202010668963A CN111853084A CN 111853084 A CN111853084 A CN 111853084A CN 202010668963 A CN202010668963 A CN 202010668963A CN 111853084 A CN111853084 A CN 111853084A
- Authority
- CN
- China
- Prior art keywords
- annular
- groove
- sleeve
- annular surface
- rectangular iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/004—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets combined with electromagnets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/01—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
- F16D27/09—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings and with interengaging jaws or gear-teeth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D2027/007—Bias of an armature of an electromagnetic clutch by flexing of substantially flat springs, e.g. leaf springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention relates to the technical field of clutches, in particular to an electromagnetic clutch which comprises a square opening, a rectangular iron block, an arc-shaped elastic sheet, a sleeve, an annular deep groove, an annular iron core, a tooth groove, a thick-wall pipe, a shaft connector, a T-shaped circular pipe, an electromagnetic coil, a concave groove and a steel roller. The invention has reasonable design, realizes the separation function, changes the structure of the traditional electromagnetic clutch, adopts a mode of electromagnetically absorbing and fixing the tooth block structure in the tooth groove on the ring surface of the corresponding annular structure, better keeps sufficient transmission power, separates the rectangular iron block from the corresponding tooth groove under the seating of eccentricity, achieves the effect of safely separating from the main power output structure, and can reduce the running speed and keep the running speed in a controllable range.
Description
Technical Field
The invention relates to the technical field of clutches, in particular to an electromagnetic clutch.
Background
The clutch is positioned in a flywheel shell between the engine and the gearbox, the clutch assembly is fixed on the rear plane of the flywheel by screws, the output shaft of the clutch is the input shaft of the gearbox, in the driving process of an automobile, a driver can step down or release a clutch pedal according to needs to enable the engine and the gearbox to be temporarily separated and gradually jointed so as to cut off or transmit power input by the engine to the gearbox, and the clutch is a common component in mechanical transmission and can separate or joint a transmission system at any time.
The existing electromagnetic clutch exceeds the safety value when the transmission shaft runs at a high speed, the running speed of a driver is still caused due to carelessness of a user, unnecessary accidents are caused, the separation of driving connection cannot be automatically carried out, and meanwhile, the transmission power of the transmission connection of the general electromagnetic clutch is insufficient due to the lack of a connection structure. Therefore, an electromagnetic clutch is proposed to address the above problems.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an electromagnetic clutch.
The invention realizes the aim through the following technical scheme that the electromagnetic clutch comprises a sleeve, wherein the sleeve is rotationally connected with a thick-wall pipe through two bearings, an annular deep groove is formed in the middle of the annular surface of the thick-wall pipe, an annular iron core is assembled in the annular deep groove, an electromagnetic coil is installed in a space between the inner annular wall of the annular iron core and the bottom of the annular deep groove, and a plurality of tooth sockets are formed in the annular surface of the annular iron core at equal intervals; a plurality of square openings are formed in the annular middle part of the annular surface of the sleeve at equal intervals, rectangular iron blocks are slidably mounted in the square openings, one end of each rectangular iron block is mounted in the middle of the inner side of the corresponding arc-shaped elastic sheet, a concave surface groove is formed in the end face of the other end of each rectangular iron block, and a steel roller rotates in the concave surface groove; the sleeve is assembled in the large-diameter port of the T-shaped circular tube, and the small-diameter port of the T-shaped circular tube is provided with a shaft interface; the two ends of the arc-shaped elastic sheet are respectively arranged on the two sides of the same square-mouth port, and the arc-shaped elastic sheet is positioned in a space formed between the annular surface of the sleeve and the inner wall of the T-shaped circular tube.
Preferably, the cross section of the sleeve is of a hollow I-shaped structure, and the edge of one end of the sleeve is fixedly connected with the corresponding part of the T-shaped circular tube through a fixing bolt; and the electromagnetic coil is electrically connected with an external power supply through a conducting wire provided with an electric brush.
Preferably, the number of the rectangular iron blocks is the same as that of the tooth sockets, and the central angle between two adjacent rectangular iron blocks is the same as that between two adjacent tooth sockets; the corresponding end of the rectangular iron block is close to the annular surface of the ring iron core, and the annular surface of the ring iron core is superposed with the annular surface of the thick-wall pipe; the bottom of the tooth groove is provided with a groove, and the inner wall of the groove is an arc surface.
Preferably, the annular surface part of the steel roller is matched with the inner arc wall of the groove, and the annular surface of the steel roller part exceeds the notch of the concave groove; the tooth socket is consistent with one end of the rectangular iron block in specification and size, and the tooth socket is connected with one end of the rectangular iron block through electromagnetic force.
The invention has the beneficial effects that:
(1) the electromagnetic clutch has reasonable design, realizes the separation function, changes the structure of the traditional electromagnetic clutch, adopts the mode of attracting and fixing the tooth block structure in the tooth groove on the ring surface of the corresponding annular structure by electromagnetism, and better keeps sufficient transmission power.
(2) According to the invention, the rectangular iron blocks are separated from the corresponding tooth grooves under the sitting of eccentricity, so that the effect of safe separation from the main power output structure is achieved, and the running speed can be reduced and kept within a controllable range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the toroidal core and the electromagnetic coil according to the present invention;
FIG. 3 is a schematic view of the connection structure of a rectangular iron block and a steel roller according to the present invention;
FIG. 4 is a schematic view of the connection structure of the sleeve and the thick-walled pipe according to the present invention.
In the figure: 1. square opening; 2. a rectangular iron block; 3. an arc-shaped elastic sheet; 4. a sleeve; 5. an annular deep groove; 6. a ring iron core; 7. a tooth socket; 8. a thick-walled pipe; 9. a shaft interface; 10. a T-shaped circular tube; 11. an electromagnetic coil; 12. a concave groove; 13. a steel roll.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in 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 embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1-4, an electromagnetic clutch includes a sleeve 4, the sleeve 4 is rotatably connected to a thick-walled tube 8 through two bearings, an annular deep groove 5 is formed in the middle of the annular surface of the thick-walled tube 8, an annular iron core 6 is assembled in the annular deep groove 5, an electromagnetic coil 11 is installed in a space between the inner annular wall of the annular iron core 6 and the bottom of the annular deep groove 5, and a plurality of tooth sockets 7 are equidistantly formed on the annular surface of the annular iron core 6; a plurality of square openings 1 are formed in the annular middle of the annular surface of the sleeve 4 at equal intervals, rectangular iron blocks 2 are slidably mounted in the square openings 1, one end of each rectangular iron block 2 is mounted in the middle of the inner side of the corresponding arc-shaped elastic sheet 3, a concave groove 12 is formed in the end surface of the other end of each rectangular iron block 2, and a steel roller 13 rotates in the concave groove 12; the sleeve 4 is assembled in a large-diameter port of the T-shaped circular tube 10, and a small-diameter port of the T-shaped circular tube 10 is provided with a shaft interface 9, so that the corresponding end of a corresponding shaft structure can be connected conveniently; the two ends of the arc-shaped elastic sheet 3 are respectively arranged on the two sides of the port 1 of the same square opening, and the arc-shaped elastic sheet 3 is positioned in the space formed between the annular surface of the sleeve 4 and the inner wall of the T-shaped circular tube 10 and can protect the arc-shaped elastic sheet 3.
Specifically, the cross section of the sleeve 4 is of a hollow I-shaped structure, and the edge of one end of the sleeve 4 is fixedly connected with the corresponding part of the T-shaped circular tube 10 through a fixing bolt, so that the connection firmness between the sleeve 4 and the T-shaped circular tube 10 is enhanced; the electromagnetic coil 11 is electrically connected with an external power supply through a conducting wire provided with an electric brush, and can supply power to the electromagnetic coil 11.
Specifically, the number of the rectangular iron blocks 2 is the same as that of the tooth sockets 7, and the central angle between two adjacent rectangular iron blocks 2 is the same as that between two adjacent tooth sockets 7, so that the corresponding position angles are kept consistent; the corresponding end of the rectangular iron block 2 is close to the annular surface of the ring iron core 6, and the annular surface of the ring iron core 6 is superposed with the annular surface of the thick-wall pipe 8.
Specifically, the bottom of the tooth groove 7 is provided with a groove, and the inner wall of the groove is an arc surface; the annular surface part of the steel roller 13 is matched with the inner arc wall of the groove, and the annular surface of the steel roller 13 exceeds the notch of the groove 12.
Specifically, the specification and size of the tooth space 7 are consistent with those of one end of the rectangular iron block 2, and the tooth space 7 is connected with one end of the rectangular iron block 2 through electromagnetic force.
When the electromagnetic clutch is used, all the rectangular iron blocks 2 which are annularly distributed and connected with the corresponding arc-shaped elastic sheets 3 firstly enter the corresponding tooth grooves 7 through the steel rollers 13 and are magnetically attracted and fixed under the action of the rotation of the thick-wall pipe 8 by electrifying the electromagnetic coil 11 and generating a strong magnetic field under the coordination of the ring iron core 6, and the rectangular iron blocks 2 do not generate the strong magnetic field under the action of the arc-shaped elastic sheets 3 by cutting off the power and return to the initial positions under the action of the arc-shaped elastic sheets 3, so that the separation function is realized, the structure of the traditional electromagnetic clutch is changed, and the gear block structure is attracted and fixed in the tooth grooves on the ring surface of the corresponding annular structure by adopting the electromagnetism, so that sufficient transmission power is better kept; when the running speed of the thick-wall pipe 8 driven by the driving power exceeds the design value, under the condition of not needing power failure, the rectangular iron block 2 is separated from the corresponding tooth socket under the seating of eccentricity, the effect of safe separation from the main power output structure is achieved, and the running speed can be reduced and kept within a controllable range.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An electromagnetic clutch, characterized in that: the device comprises a sleeve (4), wherein the sleeve (4) is rotatably connected with a thick-wall pipe (8) through two bearings, an annular deep groove (5) is formed in the middle of the annular surface of the thick-wall pipe (8), an annular iron core (6) is assembled in the annular deep groove (5), an electromagnetic coil (11) is installed in the space between the inner annular wall of the annular iron core (6) and the bottom of the annular deep groove (5), and a plurality of tooth sockets (7) are formed in the annular surface of the annular iron core (6) at equal intervals; a plurality of square openings (1) are formed in the annular surface and the annular middle of the annular surface of the sleeve (4) at equal intervals, rectangular iron blocks (2) are slidably mounted in the square openings (1), one end of each rectangular iron block (2) is mounted in the middle of the inner side of the corresponding arc-shaped elastic sheet (3), a concave groove (12) is formed in the end face of the other end of each rectangular iron block (2), and a steel roller (13) rotates in the concave groove (12); the sleeve (4) is assembled in a large-diameter port of the T-shaped circular tube (10), and a small-diameter port of the T-shaped circular tube (10) is provided with a shaft interface (9); the two ends of the arc-shaped elastic sheet (3) are respectively arranged at the two sides of the port of the same square port (1), and the arc-shaped elastic sheet (3) is positioned in a space formed between the annular surface of the sleeve (4) and the inner wall of the T-shaped circular tube (10); the cross section of the sleeve (4) is of a hollow I-shaped structure, and the edge of one end of the sleeve (4) is fixedly connected with the corresponding part of the T-shaped circular tube (10) through a fixing bolt.
2. An electromagnetic clutch according to claim 1 wherein: and the electromagnetic coil (11) is electrically connected with an external power supply through a conducting wire provided with an electric brush.
3. An electromagnetic clutch according to claim 1 wherein: the number of the rectangular iron blocks (2) is the same as that of the tooth sockets (7), and the central angle between two adjacent rectangular iron blocks (2) is the same as that between two adjacent tooth sockets (7).
4. An electromagnetic clutch according to claim 1 wherein: the corresponding end of the rectangular iron block (2) is close to the annular surface of the annular iron core (6), and the annular surface of the annular iron core (6) is superposed with the annular surface of the thick-walled pipe (8); the bottom of the tooth groove (7) is provided with a groove, and the inner wall of the groove is an arc surface.
5. An electromagnetic clutch according to claim 1 wherein: the annular surface part of the steel roller (13) is matched with the inner arc wall of the groove, and the annular surface of the steel roller (13) exceeds the notch of the groove (12); the size of the tooth socket (7) is consistent with that of one end of the rectangular iron block (2), and the tooth socket (7) is connected with one end of the rectangular iron block (2) through electromagnetic force.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010668963.4A CN111853084B (en) | 2020-07-13 | 2020-07-13 | Electromagnetic clutch |
Applications Claiming Priority (1)
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CN202010668963.4A CN111853084B (en) | 2020-07-13 | 2020-07-13 | Electromagnetic clutch |
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CN111853084A true CN111853084A (en) | 2020-10-30 |
CN111853084B CN111853084B (en) | 2022-05-24 |
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CN202010668963.4A Active CN111853084B (en) | 2020-07-13 | 2020-07-13 | Electromagnetic clutch |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113859905A (en) * | 2021-09-03 | 2021-12-31 | 中国第一汽车股份有限公司 | Roller wheel for conveying line for limiting driving force |
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CN101718314A (en) * | 2010-02-08 | 2010-06-02 | 中国矿业大学 | Spherical magnetorheological fluid clutch |
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CN203453334U (en) * | 2013-08-16 | 2014-02-26 | 李发广 | Separate type electromagnetic clutch |
CN104135136A (en) * | 2014-07-30 | 2014-11-05 | 镇江市江南矿山机电设备有限公司 | Winding type permanent-magnet slip clutch and application thereof |
CN107888052A (en) * | 2017-12-22 | 2018-04-06 | 贾朝翔 | A kind of radially traction deceleration device |
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2020
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SU479910A1 (en) * | 1974-01-11 | 1975-08-05 | Electromagnetic friction clutch | |
CN1252498A (en) * | 1999-11-17 | 2000-05-10 | 周明 | Automatically clutching controllable slide energy economizer for motorcycle drive wheel |
CN101074706A (en) * | 2006-05-18 | 2007-11-21 | 法国阿文美驰轻型车***有限公司 | Electromechanical type clutch |
CN101340135A (en) * | 2007-07-04 | 2009-01-07 | 刘新广 | Braking type magnetic clutch |
CN101566205A (en) * | 2009-06-04 | 2009-10-28 | 武汉唯特特种电机有限公司 | High-temperature resistant and energy-saving electromagnetic brake |
CN101718314A (en) * | 2010-02-08 | 2010-06-02 | 中国矿业大学 | Spherical magnetorheological fluid clutch |
CN201818413U (en) * | 2010-09-29 | 2011-05-04 | 贺雷 | Electromagnetic meshing device |
CN102287458A (en) * | 2011-07-26 | 2011-12-21 | 王万年 | End tooth electromagnetic clutch |
CN203453334U (en) * | 2013-08-16 | 2014-02-26 | 李发广 | Separate type electromagnetic clutch |
CN104135136A (en) * | 2014-07-30 | 2014-11-05 | 镇江市江南矿山机电设备有限公司 | Winding type permanent-magnet slip clutch and application thereof |
CN107888052A (en) * | 2017-12-22 | 2018-04-06 | 贾朝翔 | A kind of radially traction deceleration device |
CN109441611A (en) * | 2019-01-03 | 2019-03-08 | 鲍灵杰 | A kind of electromagnetic separation coupler for automobile fan |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113859905A (en) * | 2021-09-03 | 2021-12-31 | 中国第一汽车股份有限公司 | Roller wheel for conveying line for limiting driving force |
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CN111853084B (en) | 2022-05-24 |
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Effective date of registration: 20221205 Address after: 320 Zhening East Road, Lishui Economic Development Zone, Nanjing, Jiangsu 210,000 Patentee after: VMTT INDUSTRY CO.,LTD. Address before: 230000 south building, original animation Park, No. 19, Tianzhi Road, high tech Zone, Hefei, Anhui Province Patentee before: Huang Lianhao |