CN206498315U - A kind of utilization magnetic force realizes the limited torque clutch of clutch - Google Patents
A kind of utilization magnetic force realizes the limited torque clutch of clutch Download PDFInfo
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- CN206498315U CN206498315U CN201720120539.XU CN201720120539U CN206498315U CN 206498315 U CN206498315 U CN 206498315U CN 201720120539 U CN201720120539 U CN 201720120539U CN 206498315 U CN206498315 U CN 206498315U
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- clutch
- gear
- iron plate
- driven gear
- round iron
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Abstract
The utility model discloses the limited torque clutch that a kind of utilization magnetic force realizes clutch, including driving gear, driven gear, permanent magnet and round iron plate, clutch central shaft passes through the central through hole of driving gear and the central through hole of driven gear, a side surface on driving gear close to driven gear is provided with multiple permanent magnets, multiple permanent magnets are uniformly distributed around clutch central shaft, round iron plate is fixedly installed on driven gear close to a side surface of driving gear, and the center of round iron plate, which is provided with, is used for the centre bore that clutch central shaft is passed through.The utility model realizes clutch function, transmission is more smooth, and long lifespan by increasing permanent magnet and round iron plate between driving gear and driven gear by magnetic pull；Because the permanent magnet of this clutch and the magnetic pull of round iron plate have certainty, its driving torque has certainty, so this clutch has limited torque effect, and it is driven more precisely in place.
Description
Technical field
The utility model is related to a kind of clutch, more particularly to a kind of utilization magnetic force realizes the limited torque clutch of clutch
Structure.
Background technology
Clutch is a kind of mechanical device with clutch function, and it can be existing clutch or ratio
Existing clutch is more complicated or the arrangement of clutch more simplified.Clutch is in various rotary power drive apparatus using non-
It is often universal, such as the clutch of automobile, deceleration tooth case of Deformable toy car etc..
Existing clutch, general to utilize friction clutch principle, such as, the clutch of existing deceleration tooth case is to adopt
With friction clutch, there is the problem of friction disc wear has a strong impact on the clutch life-span, and its moment of torsion rotated can not be carried out
Size is limited, when the torque output of output end need not reach the moment of torsion of power source, does not have the effect of limitation, and when defeated
The damage of reduction box is easily caused when going out to hold limited in rotation.
Utility model content
The purpose of this utility model is that provides the limit that a kind of utilization magnetic force realizes clutch to solve the above problems
Moment of torsion clutch.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of utilization magnetic force realizes the limited torque clutch of clutch, including driving gear and driven gear, clutch center
Axle also includes through the central through hole of the driving gear and the central through hole of the driven gear, the limited torque clutch
A side surface on permanent magnet and round iron plate, the driving gear close to the driven gear is provided with multiple permanent magnetism
Iron, multiple permanent magnets are uniformly distributed around the clutch central shaft, and the round iron plate is fixedly installed in the driven tooth
Close to a side surface of the driving gear on wheel, the center of the round iron plate is provided with wears for the clutch central shaft
The centre bore crossed.
It is close to each other between permanent magnet and round iron plate but do not connect in said structure, in permanent magnet and round iron plate
Magnetic pull effect under, driving gear can drive driven gear synchronous rotary, realize the function of this clutch " conjunction "；Work as master
Magnetic pull torque of the torque more than permanent magnet and round iron plate of moving gear rotary acceleration generation, or driven gear side are outer
When power (as applied external force manually) is more than the magnetic pull of permanent magnet and round iron plate, driving gear can not drive driven gear synchronous
Rotation, now realizes the function of this clutch "Off"；The size of the magnetic pull of permanent magnet and round iron plate can be by changing
The area and quantity of permanent magnet, and change the area of round iron plate to adjust, so that it meets application demand；Using permanent magnetism
Iron is easy to process and applied, and has more stable performance compared to electromagnet.
For the ease of installing on permanent magnet, the driving gear close to a side surface of the driven gear provided with multiple heavy
Groove, multiple deep gouges are uniformly distributed around the clutch central shaft, and multiple permanent magnets are installed on multiple correspondingly
In the deep gouge.
Preferably, the deep gouge and the permanent magnet are four.
For the ease of being stably fixedly connected on round iron plate and driven gear, the driven gear close to the driving tooth
One side surface of wheel is provided with retainer ring, the central through hole coaxial inner conductor of the central through hole of the retainer ring and the driven gear and
Size is identical, and the center-hole diameter of the round iron plate is slightly larger than the external diameter of the retainer ring, and the retainer ring is fixedly installed in
In the centre bore of the round iron plate, the clutch central shaft passes through the central through hole of the retainer ring.
Change its magnetic pull, institute too much to permanent magnetism friction rail in order to avoid driven gear and driving gear rotate against process
State on driving gear close to a side surface of the driven gear provided with multiple raised auxiliary friction bars, multiple auxiliary are rubbed
Rub piece be uniformly distributed around the clutch central shaft and it is alternate with multiple permanent magnets set, the top surface of the auxiliary friction bar
Flushed with the top surface of the permanent magnet or difference in height is less than 1mm.
The beneficial effects of the utility model are：
The utility model makes driving gear by increasing permanent magnet and round iron plate between driving gear and driven gear
Clutch function is realized by the magnetic pull of permanent magnet and round iron plate between driven gear, and can be by changing permanent magnet
Area and quantity and adjusted by changing the area of round iron plate permanent magnet and round iron plate magnetic pull size,
It is met application demand, make the transmission between driving gear and driven gear more smooth, be not easily susceptible to ectocine and lead
Cause transmission failure；Because the permanent magnet of this clutch and the magnetic pull of round iron plate have certainty, its driving torque has
Certainty, so this clutch has limited torque effect, using when can be by enter to the motor for driving driving gear
Row Current limited Control, makes the critical torque of this clutch corresponding with the critical current of motor, makes its transmission more accurate
In place.
Utilization magnetic force described in the utility model realizes that the limited torque clutch of clutch is particularly suitable for use in Deformable toy car
Deceleration tooth case, can make the deformation effect of Deformable toy car more preferably precisely in place, break away from the original kind brought using leaf switch
Plant not enough, while being also applied for the industrial deceleration tooth case knot spacing with any required driving torque that is being applied in actual life
Structure.
Brief description of the drawings
Fig. 1 is that utilization magnetic force described in the utility model realizes the stereochemical structure before the limited torque clutch assembling of clutch
Figure；
Fig. 2 is that utilization magnetic force described in the utility model realizes that the solid in the limited torque clutch assembling process of clutch is tied
Composition；
Fig. 3 is that utilization magnetic force described in the utility model realizes the stereochemical structure after the limited torque clutch assembling of clutch
Figure；
Fig. 4 is that utilization magnetic force described in the utility model realizes that the limited torque clutch of clutch is applied to Deformable toy car
Three-dimensional structure diagram during deceleration tooth case.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2 and Figure 3, utilization magnetic force described in the utility model realizes that the limited torque clutch of clutch includes
Driving gear 3, permanent magnet 32, round iron plate 2 and driven gear 1, clutch central shaft 31 pass through the central through hole of driving gear 3
On the central through hole 11 of (not shown) and driven gear 1, driving gear 3 four are provided with close to a side surface of driven gear 1
Deep gouge (unmarked in figure), four deep gouges are uniformly distributed around clutch central shaft 31, and four permanent magnets 32 are correspondingly
It is installed in four deep gouges, retainer ring 12, retainer ring 12 is provided with close to a side surface of driving gear 3 on driven gear 1
Central through hole and driven gear 1 the coaxial inner conductor of central through hole 11 and size is identical, the center of round iron plate 2 is provided with using
The centre bore 21 passed through in clutch central shaft 31, the diameter of the centre bore 21 of round iron plate 2 is slightly larger than the external diameter of retainer ring 12, Gu
Determine ring 12 to be fixedly installed in the centre bore 21 of round iron plate 2, clutch central shaft 31 passes through the central through hole of retainer ring 12；Actively
Close to a side surface of driven gear 1 provided with four raised auxiliary friction bars 33 on gear 3, four auxiliary friction bars 33 are surrounded
Clutch central shaft 31 is uniformly distributed and setting alternate with four permanent magnets 32, the top surface of auxiliary friction bar 33 and the top of permanent magnet 32
Face is flushed or difference in height is less than 1mm.
As Figure 1-Figure 4, carried out below so that this limited torque clutch is applied to Deformable toy car deceleration tooth case as an example
Explanation：
This limited torque clutch is pacified together with motor 42, gear on worm 43, transition gear 44 and output gear 45
Loaded in the tooth case that tooth box cover 41 and tooth case lower cover 46 are constituted, gear on worm 43 is installed in the rotating shaft of motor 42,
The engagement of driving gear 3 of gear on worm 43 and this limited torque clutch be connected, the driven gear 1 of this limited torque clutch and
The gear wheel engagement connection of transition gear 44, the little gear of transition gear 44 is connected with the gear wheel engagement of output gear 45, defeated
The little gear for going out gear 45 is used as the output wheel of whole reduction box.
Under normal circumstances, motor 42 drives gear on worm 43 to rotate, and gear on worm 43 drives this limited torque clutch
The driving gear 3 of structure rotates, and under the magnetic pull effect of permanent magnet 32 and round iron plate 2, driving gear 3 drives driven gear 1
Rotation, driven gear 1 drives transition gear 44 and output gear 45 to rotate, realizes the purpose of deceleration transmission successively.
In said process, output gear 45 realizes effective limit of outputting torsion in the presence of this limited torque clutch
System, in the presence of the automatic clutch of this limited torque clutch, when the torsion of output gear 45 is more than this limited torque clutch
When the maximum separation torsion of structure, the electrodeless rotation angle control of output gear 45 is effectively realized.Control core on mainboard
Under piece IC (not showing in the conventional structure of deceleration tooth case, figure) control action, motor 42 overcomes this limited torque clutch
Torsion stopped or forward and reverse rotation switching, its principle is：The operation of motor 42, which is affected, causes work electricity
Stream is increased, or because stall causes instantaneous current value to increase, due to the current value management and control effect of IC on mainboard, when electric current is more than one
Deceleration tooth case is allowed to realize the accurate limiting for automatically powering off the direction of rotation to realize whole deceleration tooth case during fixed numerical value, it is ensured that whole
The realization of individual function.
In addition, the clutch toothing carried inside deceleration tooth case can also realize the purpose for manually changing clutch function, because
The reaction of driven gear 1 of this limited torque clutch is caused to move the torsion after torsion slows down more than motor 42 manually
Driving gear 3, and then this limited torque clutch is in released state, realize the purpose for moving angle toy car door manually.
The permanent magnet 32 of this limited torque clutch and the magnetic pull of round iron plate 2 are permanent, so its automatic clutch function
It is permanent, its life-span is very long.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can be realized without creative work on the basis of above-described embodiment, is regarded as falling into
In the rights protection scope of the utility model patent.
Claims (5)
1. a kind of utilization magnetic force realizes the limited torque clutch of clutch, including driving gear and driven gear, clutch central shaft
Through the central through hole and the central through hole of the driven gear of the driving gear, it is characterised in that：Also include permanent magnet and
A side surface on round iron plate, the driving gear close to the driven gear is provided with multiple permanent magnets, Duo Gesuo
State permanent magnet to be uniformly distributed around the clutch central shaft, the round iron plate is fixedly installed on the driven gear close to institute
A side surface of driving gear is stated, the center of the round iron plate, which is provided with, is used for the center that the clutch central shaft is passed through
Hole.
2. utilization magnetic force according to claim 1 realizes the limited torque clutch of clutch, it is characterised in that：The active
Multiple deep gouges are provided with close to a side surface of the driven gear on gear, multiple deep gouges are equal around the clutch central shaft
Even distribution, multiple permanent magnets are installed in multiple deep gouges correspondingly.
3. utilization magnetic force according to claim 2 realizes the limited torque clutch of clutch, it is characterised in that：The deep gouge
It it is four with the permanent magnet.
4. utilization magnetic force according to claim 1 realizes the limited torque clutch of clutch, it is characterised in that：It is described driven
On gear retainer ring, the central through hole of the retainer ring and the driven gear are provided with close to a side surface of the driving gear
Central through hole coaxial inner conductor and size is identical, the center-hole diameter of the round iron plate is slightly larger than the external diameter of the retainer ring,
The retainer ring is fixedly installed in the centre bore of the round iron plate, and the clutch central shaft passes through the center of the retainer ring
Through hole.
5. the utilization magnetic force according to any one of claim 1-4 realizes the limited torque clutch of clutch, its feature
It is：On the driving gear multiple raised auxiliary friction bars, Duo Gesuo are provided with close to a side surface of the driven gear
State auxiliary friction bar be uniformly distributed around the clutch central shaft and it is alternate with multiple permanent magnets set, the auxiliary friction
The top surface of bar is flushed with the top surface of the permanent magnet or difference in height is less than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120539.XU CN206498315U (en) | 2017-02-09 | 2017-02-09 | A kind of utilization magnetic force realizes the limited torque clutch of clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120539.XU CN206498315U (en) | 2017-02-09 | 2017-02-09 | A kind of utilization magnetic force realizes the limited torque clutch of clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206498315U true CN206498315U (en) | 2017-09-15 |
Family
ID=59804354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720120539.XU Active CN206498315U (en) | 2017-02-09 | 2017-02-09 | A kind of utilization magnetic force realizes the limited torque clutch of clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206498315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301913A (en) * | 2019-08-01 | 2021-02-02 | 富鼎电子科技(嘉善)有限公司 | Floodgate machine core and floodgate machine |
-
2017
- 2017-02-09 CN CN201720120539.XU patent/CN206498315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301913A (en) * | 2019-08-01 | 2021-02-02 | 富鼎电子科技(嘉善)有限公司 | Floodgate machine core and floodgate machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 363500 North District of Zhaoan County Industrial Park, Zhangzhou, Fujian Patentee after: Fujian Xing Hui Toys Co., Ltd. Address before: 363500 North District of Zhaoan County Industrial Park, Zhangzhou, Fujian Patentee before: Fujian Xing Huiyingtong articles for use Co., Ltd |