CN210830229U - Spring twines electromagnetic clutch - Google Patents
Spring twines electromagnetic clutch Download PDFInfo
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- CN210830229U CN210830229U CN201921648662.4U CN201921648662U CN210830229U CN 210830229 U CN210830229 U CN 210830229U CN 201921648662 U CN201921648662 U CN 201921648662U CN 210830229 U CN210830229 U CN 210830229U
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- transmission piece
- mandrel
- main spring
- transmission
- sliding block
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Abstract
The utility model relates to a spring-wound electromagnetic clutch, which comprises a mandrel, wherein a first transmission piece and a second transmission piece are respectively assembled at two ends of the mandrel, the first transmission piece rotates along with the mandrel, and the second transmission piece idles relative to the mandrel; the mandrel is arranged on the shaft section between the first transmission part and the second transmission part and is provided with a slide block and a main spring in a group mode, the slide block has the characteristics of idling and axial sliding relative to the mandrel, two ends of the main spring are respectively connected with the slide block and the second transmission part, and the slide block and the first transmission part are attracted through an electromagnetic attraction or a permanent magnet attraction. Therefore, the main spring is tightly wound or expanded when being contracted, the first transmission piece and the second transmission piece are connected to transmit power, and the effect of the clutch is achieved. The torque transmission device has the advantages of simple structure, small radial size, large torque output, stable performance, good consistency, low energy consumption, long service life, capability of linearly adjusting torque, quick response, convenience in installation, difficulty in error and capability of permanently keeping high torque transmission.
Description
Technical Field
The utility model belongs to the technical field of machinery, motor or electromechanical device's control group technique and specifically relates to indicate a clutch.
Background
During the production practice of the current clutch, the following problems are found: the transmission of moment mainly relies on forms such as circular friction surface or magnetic powder to realize, and current device is bulky, and the consumption is high, and the reaction is shortcoming such as moment is little slowly, and is also more troublesome when many clutches assemble simultaneously, needs experienced workman's accurate adjustment separation and reunion clearance, then just can lock the installation screw. Often because the experience of the worker is insufficient, the clutch clearance is not adjusted correctly, so that the clutch is failed. In addition, in the use process of the assembled clutch, due to vibration, loosening of a locking screw and the like, the clutch gap is reduced, so that the clutch plate can not be separated, or the clutch gap is increased, so that the clutch plate can not be engaged, and finally the clutch fails. Or when the clutch is assembled on a machine, the assembling shaft can axially shift, so that the clutch clearance can change along with the movement of the assembling shaft, and the clutch can fail under the serious condition due to the same reason as the above, so that the problem is serious. Therefore, the existing clutch has a great potential safety hazard due to design defects.
Disclosure of Invention
The utility model aims to overcome prior art's defect, provide a spring twines electromagnetic clutch, simple structure, it is small, transmission moment is big, the stable performance, the uniformity is good, the energy consumption is low, long service life, can linear adjusting torque, the reaction is quick to simple to operate is difficult for makeing mistakes, keeps the high moment transmission forever.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a spring-wound electromagnetic clutch comprises a mandrel, wherein a first transmission piece and a second transmission piece are respectively assembled at two ends of the mandrel, the first transmission piece rotates along with the mandrel, and the second transmission piece idles relative to the mandrel; the mandrel is arranged on the shaft section between the first transmission piece and the second transmission piece and is provided with a sliding block and a main spring in a group mode, the sliding block has the idle running and axial sliding characteristics relative to the mandrel, two ends of the main spring are respectively connected with the sliding block and the second transmission piece, the sliding block and the main spring are sleeved with a sleeve, one end of the sleeve is fixedly connected with the first transmission piece, and the sleeve limits the main spring and meets the requirement that the main spring freely rotates under the condition of no deformation; the magnetic conduction shell is sleeved on the outer periphery of the sleeve, a coil is embedded between the magnetic conduction shell and the sleeve, and the coil is electrified to attract the first transmission piece and the sliding block.
In order to achieve the above purpose, the utility model can also adopt the following technical proposal:
a spring-wound electromagnetic clutch comprises a mandrel, wherein a first transmission piece and a second transmission piece are respectively assembled at two ends of the mandrel, the first transmission piece rotates along with the mandrel, and the second transmission piece idles relative to the mandrel; the spindle is arranged on the shaft section between the first transmission piece and the second transmission piece and is provided with a sliding block and a main spring in a group mode, the sliding block has the idle rotation and axial sliding characteristics relative to the spindle, and two ends of the main spring are respectively connected with the sliding block and the second transmission piece; the first transmission piece is provided with a permanent magnet, and the permanent magnet realizes the attraction of the first transmission piece and the sliding block; a sleeve is sleeved on the peripheries of the sliding block and the main spring, one end of the sleeve is fixedly connected with the first transmission piece, and the sleeve limits the main spring and meets the requirement that the main spring freely rotates under the condition of no deformation; the magnetic conduction shell is sleeved on the outer periphery of the sleeve, a coil is embedded between the magnetic conduction shell and the sleeve, the coil is electrified to generate magnetic flux in the direction opposite to the permanent magnet and offset the magnetic flux of the permanent magnet, and the first transmission piece is separated from the sliding block.
The utility model discloses a twine tightly or hold back tightly when expanding during the shrinkage of main spring, reach first driving medium and second driving medium joint transmission power. Simple structure, first driving medium follows the dabber and rotates, and the both ends of main spring connect the slider and second driving medium respectively, and the during operation is connected the actuation through first driving medium and slider and can be realized that the main spring contracts when twining tightly or expanding and hold back tightly, realizes the clutch efficiency from this. The utility model discloses broken present clutch on the market and will increase the restriction that moment must enlarge radial dimension, moment and radial dimension are directly proportional promptly, moment and axial dimension directly proportional concept has been proposed, obtain spring formula electromagnetic clutch that twines tightly, it is little to realize radial dimension, big moment output, the structure is extremely simple, small, transmission moment is big, the stable performance, the uniformity is good, the energy consumption is low, long service life, the linear adjusting torque of ability, the reaction is quick, and simple to operate, be difficult for makeing mistakes, keep the transmission of high moment forever.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of two embodiments of the present invention.
The specific implementation mode is as follows:
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, 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 "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, the present invention is a preferred embodiment of the present invention, which relates to a spring-wound electromagnetic clutch, wherein a first transmission member and a second transmission member are engaged to transmit power by tightening or tightening a main spring during contraction or expansion.
Example 1:
referring to fig. 1, the spring-wound electromagnetic clutch of the present embodiment includes a core shaft 1, the core shaft 1 is made of a non-magnetic material, a first transmission member 2 and a second transmission member 3 are respectively assembled at two ends of the core shaft 1, the first transmission member 2 rotates along with the core shaft 1, and the second transmission member 3 idles relative to the core shaft 1; the mandrel 1 is arranged on the shaft section between the first transmission piece 2 and the second transmission piece 3 and is provided with a sliding block 4 and a main spring 5 in a group mode, the sliding block 4 has idle rotation and axial sliding characteristics relative to the mandrel 1, and two ends of the main spring 5 are respectively connected with the sliding block 4 and the second transmission piece 3. In this embodiment, in order to facilitate the manufacturing and assembling, the core shaft 1 is provided with a magnetic conduction shoulder 11, and the magnetic conduction shoulder 11 can be obtained by fixedly connecting the core shaft 1 through combination. The magnetic conduction shaft shoulder 11 is positioned between the sliding block 4 and the second transmission part 3, and the main spring 5 is sleeved on the magnetic conduction shaft shoulder 11. The magnetic conduction shaft shoulder 11 has the functions of limiting and matching the main spring 5 to work, and simultaneously effectively communicates the magnetic circuits of the sliding block 4 and the second transmission piece 3. The sliding block 4 and the main spring 5 are sleeved with the sleeve 6, one end of the sleeve 6 is fixedly connected with the first transmission piece 2, and the sleeve 6 limits the main spring 5 and meets the requirement that the main spring 5 rotates freely under the condition of no deformation. The magnetic shell 7 is sleeved on the outer periphery of the sleeve 6, and the coil 8 is embedded between the magnetic shell 7 and the sleeve 6. The coil 8 is electrified to generate a magnetic field, and the magnetic field realizes the attraction between the first transmission piece 2 and the slide block 4, so that the first transmission piece 2 drives the slide block 4 to rotate together, the slide block 4 rotates to cause the contraction or expansion of the main spring 5, the magnetic conduction shaft shoulder 11 is tightly wound during the contraction, namely, the magnetic conduction shaft shoulder is tightly connected with the mandrel 1, and the mandrel 1 drives the second transmission piece 3 to rotate together through the main spring 5; when the main spring 5 expands, the sleeve 6 and the second transmission member 3 connected with the other end of the main spring are tightly pressed, so that the second transmission member 3 is driven to rotate together, torque transmission is completed, and the electromagnetic control clutch function is realized.
Example 2:
referring to fig. 2, the electromagnetic spring-wound clutch of the present embodiment includes a core shaft 1, the core shaft 1 is made of a non-magnetic material, a first transmission member 2 and a second transmission member 3 are respectively assembled at two ends of the core shaft 1, the first transmission member 2 rotates along with the core shaft 1, and the second transmission member 3 rotates idly relative to the core shaft 1. The mandrel 1 is arranged on the shaft section between the first transmission piece 2 and the second transmission piece 3 and is provided with a slide block 4 and a main spring 5 in a group mode, the slide block 4 has idle rotation and axial sliding characteristics relative to the mandrel 1, and two ends of the main spring 5 are respectively connected with the slide block 4 and the second transmission piece 3; in this embodiment, in order to facilitate the manufacturing and assembling, the core shaft 1 is provided with a magnetic conduction shoulder 11, and the magnetic conduction shoulder 11 can be obtained by fixedly connecting the core shaft 1 through combination. The magnetic conduction shaft shoulder 11 is positioned between the sliding block 4 and the second transmission part 3, and the main spring 5 is sleeved on the magnetic conduction shaft shoulder 11. The magnetic conduction shaft shoulder 11 has the functions of limiting and matching the main spring 5 to work, and simultaneously effectively communicates the magnetic circuits of the sliding block 4 and the second transmission piece 3. The first transmission piece 2 is provided with a permanent magnet 9, and the permanent magnet 9 realizes the attraction of the first transmission piece 2 and the sliding block 4. In this embodiment, a magnetic pad 21 is further added between the first transmission member 2 and the slider 4 to increase the efficacy of the adsorption engagement with the slider 4 and prolong the service life. The sliding block 4 and the main spring 5 are sleeved with the sleeve 6, one end of the sleeve 6 is fixedly connected with the first transmission piece 2, and the sleeve 6 limits the main spring 5 and meets the requirement that the main spring 5 rotates freely under the condition of no deformation. The magnetic conduction shell 7 is sleeved on the outer periphery of the sleeve 6, the coil 8 is embedded between the magnetic conduction shell 7 and the sleeve 6, the coil 8 is electrified to generate magnetic flux in the direction opposite to the permanent magnet 9 and offset the magnetic flux of the permanent magnet 9, and the first transmission piece 2 is separated from the sliding block 4. When the coil 8 is powered off, the first transmission piece 2 and the sliding block 4 can be attracted together under the action of the permanent magnet 9, so that the first transmission piece 2 drives the sliding block 4 to rotate together, the sliding block 4 rotates to cause the main spring 5 to contract or expand, the magnetic conduction shaft shoulder 11 is tightly wound during contraction, namely, the magnetic conduction shaft shoulder is tightly connected with the mandrel 1, and the mandrel 1 drives the second transmission piece 3 to rotate together through the main spring 5; when the main spring 5 expands, the sleeve 6 and the second transmission member 3 connected with the other end of the main spring are tightly held, so that the second transmission member 3 is driven to rotate together, the torque transmission is completed, and the function of breaking (losing) the electric clutch is realized.
The utility model discloses broken present clutch on the market and will increase the restriction that moment must enlarge radial dimension, moment and radial dimension are directly proportional promptly, moment and axial dimension directly proportional concept has been proposed, obtain spring formula electromagnetic clutch that twines tightly, it is little to realize radial dimension, big moment output, the structure is extremely simple, small, transmission moment is big, the stable performance, the uniformity is good, the energy consumption is low, long service life, the linear adjusting torque of ability, the reaction is quick, and simple to operate, be difficult for makeing mistakes, keep the transmission of high moment forever.
Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.
Claims (2)
1. The utility model provides a spring twines electromagnetic clutch which characterized in that: the automatic transmission device comprises a mandrel (1), wherein a first transmission piece (2) and a second transmission piece (3) are respectively assembled at two ends of the mandrel (1), the first transmission piece (2) rotates along with the mandrel (1), and the second transmission piece (3) idles relative to the mandrel (1); the mandrel (1) is positioned on a shaft section between the first transmission piece (2) and the second transmission piece (3) and is provided with a sliding block (4) and a main spring (5), the sliding block (4) has idle rotation and axial sliding characteristics relative to the mandrel (1), two ends of the main spring (5) are respectively connected with the sliding block (4) and the second transmission piece (3), the peripheries of the sliding block (4) and the main spring (5) are sleeved with a sleeve (6), one end of the sleeve (6) is fixedly connected with the first transmission piece (2), and the sleeve (6) limits the main spring (5) and meets the requirement that the main spring (5) can freely rotate under the condition of no deformation; the magnetic conduction shell (7) is sleeved on the periphery of the sleeve (6), a coil (8) is embedded between the magnetic conduction shell (7) and the sleeve (6), and the first transmission piece (2) and the sliding block (4) are attracted by electrifying the coil (8).
2. The utility model provides a spring twines electromagnetic clutch which characterized in that: the automatic transmission device comprises a mandrel (1), wherein a first transmission piece (2) and a second transmission piece (3) are respectively assembled at two ends of the mandrel (1), the first transmission piece (2) rotates along with the mandrel (1), and the second transmission piece (3) idles relative to the mandrel (1); the mandrel (1) is positioned on the shaft section between the first transmission piece (2) and the second transmission piece (3) and is provided with a sliding block (4) and a main spring (5), the sliding block (4) has the characteristics of idle rotation and axial sliding relative to the mandrel (1), and two ends of the main spring (5) are respectively connected with the sliding block (4) and the second transmission piece (3); the permanent magnet (9) is assembled on the first transmission piece (2), and the permanent magnet (9) realizes the attraction of the first transmission piece (2) and the sliding block (4); a sleeve (6) is sleeved on the peripheries of the sliding block (4) and the main spring (5), one end of the sleeve (6) is fixedly connected with the first transmission piece (2), and the sleeve (6) limits the main spring (5) and meets the requirement that the main spring (5) can rotate freely under the condition of no deformation; the magnetic conduction shell (7) is sleeved on the periphery of the sleeve (6), the coil (8) is embedded between the magnetic conduction shell (7) and the sleeve (6), the coil (8) is electrified to generate magnetic flux in the direction opposite to the permanent magnet (9) and offset the magnetic flux of the permanent magnet (9), and the first transmission piece (2) is separated from the sliding block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648662.4U CN210830229U (en) | 2019-09-30 | 2019-09-30 | Spring twines electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648662.4U CN210830229U (en) | 2019-09-30 | 2019-09-30 | Spring twines electromagnetic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830229U true CN210830229U (en) | 2020-06-23 |
Family
ID=71278941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921648662.4U Active CN210830229U (en) | 2019-09-30 | 2019-09-30 | Spring twines electromagnetic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830229U (en) |
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2019
- 2019-09-30 CN CN201921648662.4U patent/CN210830229U/en active Active
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