CN209761062U - Electromagnetic clutch - Google Patents
Electromagnetic clutch Download PDFInfo
- Publication number
- CN209761062U CN209761062U CN201920062213.5U CN201920062213U CN209761062U CN 209761062 U CN209761062 U CN 209761062U CN 201920062213 U CN201920062213 U CN 201920062213U CN 209761062 U CN209761062 U CN 209761062U
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- China
- Prior art keywords
- electromagnetic
- coil
- shaft sleeve
- shaft
- hollow channel
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses an electromagnetic clutch, which comprises an outer shell, wherein a cavity is arranged in the outer shell, an electromagnetic fixing frame is fixedly connected on the inner wall of the cavity, the top of the electromagnetic fixing frame is provided with an opening, a coil is arranged in the electromagnetic fixing frame, an electromagnetic core sealing plate is fixedly arranged at the opening, a magnet is arranged between the electromagnetic core sealing plate and the coil, the middle part of the coil is provided with a through channel along the direction of the central axis of the coil, an axle sleeve is arranged in the through channel, the top end of the axle sleeve sequentially penetrates out of the top surfaces of the magnet, the electromagnetic core sealing plate and the outer shell, a reset spring is sleeved on the outer side of the axle sleeve, the top end of the axle sleeve is provided with an axle shoulder, the top end of the axle sleeve is connected with a clutch supporting plate, the utility, the service life is prolonged, and the performance is more stable.
Description
Technical Field
The utility model relates to a tool to lock especially relates to an electromagnetic clutch.
Background
Along with the progress of science and technology, the tool to lock trade has also obtained quick development, the electronic lock, the range of application of intelligence lock is more and more wide, increasingly popularize and use in daily life, the control mode that uses these locks on the market now is the motor generally and rotates back round pin axle screens and promote spring compression and realize the separation and reunion, the damage of motor stator and the contact wear and the spring friction many times of visiting the brush can appear this moment, the core part of lock goes wrong, the lock can not be used and is difficult to maintain, and the tool to lock needs to maintain the power supply state for a long time, and the tool to lock uses 5# battery power supply usually, electric quantity consumption is very fast, use experience is relatively poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: there is a need for a clutch for a lock that reduces friction during use, reduces power consumption during use, and increases service life.
The utility model provides a solution of its technical problem is: an electromagnetic clutch comprises an outer shell, wherein a cavity is arranged in the outer shell, an electromagnetic fixing frame is fixedly connected to the inner wall of the cavity, an opening is formed in the top of the electromagnetic fixing frame, a coil is arranged in the electromagnetic fixing frame, an electromagnetic core sealing plate is fixedly arranged at the opening, a magnet is arranged between the electromagnetic core sealing plate and the coil, a through channel is formed in the middle of the coil along the direction of the central axis of the coil, a shaft sleeve is arranged in the through channel, the top end of the shaft sleeve sequentially penetrates out of the top surfaces of the magnet, the electromagnetic core sealing plate and the outer shell, the shaft sleeve moves back and forth in the outer shell along the direction of the central axis of the coil, a reset spring is sleeved on the outer side of the shaft sleeve, a shaft shoulder is arranged at the top end of the shaft sleeve, the top end of the reset spring is, the top end of the shaft sleeve is connected with a clutch supporting plate.
The utility model provides an electromagnetic clutch, which comprises an outer shell, a cavity for containing structural components is arranged in the outer shell, when assembling, a coil can be fixed in an electromagnetic fixing frame firstly, then a magnet is fixed at the top of the coil, then the opening of the electromagnetic fixing frame is connected and riveted by an electromagnetic core sealing plate, the magnet is compacted at the top of the coil, finally the assembled electromagnetic fixing frame is fixed in the cavity, a reset spring is sleeved into the outer side of the shaft sleeve from the bottom of the shaft sleeve to the top, the reset spring is inserted into a through channel of the coil along the central axis of the coil, the shaft sleeve can move back and forth in the through channel, when the coil is led in forward current, the coil generates magnetic field action and is in the same direction with the magnetic field at the middle part of the magnet, the shaft sleeve moves towards the inner part of the cavity, the reset spring is compressed, the shaft sleeve drives a clutch supporting plate to, the coil produces the magnetic field effect, reverse with the magnetic field at magnet middle part, the reset spring reconversion of compressed, its elasticity makes the axle sleeve to keeping away from the inside motion of cavity, the axle sleeve drives separation and reunion layer board upward movement, this kind of separation and reunion mode is if in practical application, the transmission is connected with the separation and reunion round pin on the separation and reunion layer board, make the separation and reunion round pin different according to the direction of coil current, pass in and out in the separation and reunion draw-in groove, when realizing pushing down the lock body handle, whether can drive the spring bolt activity, thereby realize the operation of opening of tool to lock, it is thus visible, the friction that produces when this electromagnetic clutch's structure can effectively reduced the structure motion, the.
As a further improvement of the technical scheme, the position of the top side of the bottom surface of the electromagnetic fixing frame, which is right opposite to the shaft sleeve, is provided with an absorption assisting column, and the top surface of the absorption assisting column is provided with a positioning groove matched with the bottom end of the shaft sleeve in shape.
As a further improvement of the technical scheme, the bottom end of the shaft sleeve is conical.
As a further improvement of the above technical solution, the shaft sleeve is sequentially provided with a first hollow channel and a second hollow channel from top to bottom along a central axis direction thereof, the first hollow channel and the second hollow channel are communicated with each other, an inner diameter of the first hollow channel is greater than an inner diameter of the second hollow channel, a shaft cover is fixedly connected to a top end of the first hollow channel, a shaft core is arranged in the first hollow channel, a limiting section is arranged on an outer wall of a top portion of the shaft core, an outer diameter of the limiting section is greater than an inner diameter of the second hollow channel, a bottom end of the shaft core sequentially penetrates through bottom surfaces of the second hollow channel, the suction assisting column and the electromagnetic fixing frame, a buffer spring is sleeved on a top end of the shaft core, a top end of the buffer spring abuts against a bottom surface of the shaft cover, and a bottom end of the buffer spring abuts against a top surface of the limiting section.
As a further improvement of the above technical scheme, both sides wall of cavity all is provided with the slide, the slide with the axis of axle sleeve is parallel to each other, the separation and reunion layer board is including setting up respectively in two slide bar in the slide, two be connected with the connecting rod between the bottom of slide bar, the connecting rod set up in the below of axle core, two be connected with the gag lever post between the top of slide bar, the top of axle sleeve connect in the bottom side of gag lever post, the gag lever post is circular-arc, the circular arc opening orientation of gag lever post deviates from axle sleeve one side.
As a further improvement of the technical scheme, an arc-shaped channel is arranged in the limiting rod along the arc length direction of the limiting rod.
The beneficial effect of adopting the further scheme is that: the structure is tightly matched, the operation is stable, the on or off state of the clutch can be maintained under the condition of no power supply, and the power consumption is lower.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a schematic view of the overall internal structure of the present invention when a forward current is applied;
Fig. 2 is a schematic diagram of the whole internal structure when reverse current is applied.
In the figure: the magnetic force-adjustable electromagnetic clutch comprises a shell 1, an electromagnetic fixing frame 2, a coil 3, an electromagnetic core sealing plate 4, a magnet 5, a shaft sleeve 6, a reset spring 7, a shaft shoulder 8, an attraction assisting column 9, a positioning groove 10, a sliding rod 11, a connecting rod 12, a limiting rod 13, a shaft core 14 and a buffer spring 15.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, an electromagnetic clutch includes an outer shell 1, a cavity is arranged in the outer shell 1, an electromagnetic fixing frame 2 is fixedly connected to the inner wall of the cavity, an opening is arranged at the top of the electromagnetic fixing frame 2, a coil 3 is arranged in the electromagnetic fixing frame 2, an electromagnetic core sealing plate 4 is fixedly arranged at the opening, a magnet 5 is arranged between the electromagnetic core sealing plate 4 and the coil 3, a through passage is arranged in the middle of the coil 3 along the central axis direction of the coil 3, an axle sleeve 6 is arranged in the through passage, the top end of the axle sleeve 6 sequentially penetrates through the magnet 5, the electromagnetic core sealing plate 4 and the top surface of the outer shell 1, the axle sleeve 6 moves back and forth in the outer shell 1 along the central axis direction of the coil 3, a reset spring 7 is sleeved on the outer side of the axle sleeve 6, an axle shoulder 8 is arranged on the top end of the axle sleeve 6, the bottom end of the reset spring 7 is abutted against the top side of the electromagnetic core sealing plate 4, and the top end of the shaft sleeve 6 is connected with a clutch supporting plate.
From the above, the utility model provides an electromagnetic clutch, including shell 1, be provided with the cavity that holds structural component in the shell 1, during the assembly, can fix coil 3 in the fixed frame 2 of electromagnetism earlier, fix magnet 5 at the top of coil 3 again, then utilize electromagnetism core shrouding 4 to connect the opening of the fixed frame 2 of electromagnetism and rivet fixedly, make magnet 5 compact at the top of coil 3, fix the fixed frame 2 of electromagnetism assembled in the cavity again finally, embolia reset spring 7 to the outside of axle sleeve 6 from the bottom of axle sleeve 6 from bottom up, insert reset spring 7 in the through passage of coil 3 along the axis of coil 3, axle sleeve 6 can be in the through passage back and forth movement, the electromagnetic force that coil 3 produced is greater than the magnetic force that magnet 5 produced, the magnetic force that magnet 5 produced is greater than the elasticity that reset spring 7 produced, and the resultant force of the magnetic force of magnet 5 and the elasticity of reset spring 7 is less than the electromagnetic force that coil 5 produced, when the coil 3 is supplied with forward current, the coil 3 generates magnetic field action, the magnetic field action is in the same direction as the magnetic field at the middle part of the magnet 5, so that the shaft sleeve 6 moves towards the inside of the cavity, the reset spring 7 is compressed, the shaft sleeve 6 drives the clutch supporting plate to move downwards, when the coil 3 is supplied with reverse current, the coil 3 generates magnetic field action, the magnetic field is opposite to the magnetic field at the middle part of the magnet 5, the compressed reset spring 7 is restored to the original state, the shaft sleeve 6 moves towards the inside far away from the cavity by the elasticity of the reset spring, and the shaft sleeve 6 drives the clutch supporting plate to move upwards, in the clutch mode, for example, in practical application, a clutch pin is connected to the clutch supporting plate in a transmission manner, so that the clutch pin enters and exits the clutch clamping groove according to different directions of the current of the coil 3, whether the lock tongue can be driven to move when the lock handle, the failure rate of the clutch in the lockset is reduced, and the service life is prolonged.
further as a preferred embodiment, the top side of the bottom surface of the electromagnetic fixing frame 2 is provided with an attraction assisting column 9 at a position right opposite to the shaft sleeve 6, the top surface of the attraction assisting column 9 is provided with a positioning groove 10 matched with the bottom end shape of the shaft sleeve 6, when the shaft sleeve 6 moves towards the inside of the cavity, the shaft sleeve 6 is inserted into the positioning groove 10 of the attraction assisting column 9, the attraction assisting column 9 can fix the bottom of the shaft sleeve 6, and the problem that the shaft sleeve 6 shakes towards the inside of the cavity to cause inaccurate positioning of the clutch support plate is avoided, in addition, the shaft sleeve 6 also plays a magnetic transmission role for the magnetism of the magnet 5, after the shaft sleeve 6 is inserted into the attraction assisting column 9, the shaft sleeve 6 can generate magnetic connection with the attraction assisting column 9, the magnetic force can overcome the spring force of the return spring 7 which needs to return to the original state after being compressed, so that the shaft sleeve 6 can, does not need to be maintained by electrifying, and reduces the energy consumption.
Further as a preferred embodiment, the bottom end of the shaft sleeve 6 is conical, the shape of the positioning groove 10 is matched with the shape of the bottom end of the shaft sleeve 6, and the conical shape can play a guiding role, so that the shaft sleeve 6 can be inserted into the positioning groove 10 more smoothly.
As a preferred embodiment, the shaft sleeve 6 is sequentially provided with a first hollow channel and a second hollow channel from top to bottom along a central axis direction thereof, the first hollow channel and the second hollow channel are communicated with each other, an inner diameter of the first hollow channel is larger than an inner diameter of the second hollow channel, a shaft cover is fixedly connected to a top end of the first hollow channel, a shaft core 14 is arranged in the first hollow channel, a limiting section is arranged on an outer wall of a top portion of the shaft core 14, an outer diameter of the limiting section is larger than an inner diameter of the second hollow channel, a bottom end of the shaft core 14 sequentially penetrates through the second hollow channel, the absorption assisting column 9 and a bottom surface of the electromagnetic fixing frame 2, a buffer spring 15 is sleeved on a top end of the shaft core 14, a top end of the buffer spring 15 abuts against a bottom surface of the shaft cover, a bottom end of the buffer spring 15 abuts against a top surface of the limiting section, axle core 14 can improve magnet 5 and coil 3's magnetic flux, improve axle sleeve 6's magnetic conduction effect, make axle sleeve 6 and help inhaling the magnetism between the post 9 and be connected more stably, when axle sleeve 6 is to cavity internal motion, axle sleeve 6 can be fast toward the direction motion of helping inhaling post 9, axle core 14 follows axle sleeve 6 and descends the magnetic flux that can make in first cavity passageway and the second cavity passageway and change, make axle core 14's downstream obstructed, axle core 14 can compress buffer spring 15 this moment, elasticity through buffer spring 15, make axle core 14 slowly insert help inhaling inside post 9, and wear out the bottom surface of the fixed frame 2 of electromagnetism, it is more steady during the whole operation.
Further as preferred embodiment, the both sides wall of cavity all is provided with the slide, the slide with axle sleeve 6's axis is parallel to each other, the separation and reunion layer board is including setting up respectively in two slide bar 11 in the slide, two be connected with connecting rod 12 between slide bar 11's the bottom, connecting rod 12 set up in the below of axle core 14, two be connected with gag lever post 13 between slide bar 11's the top, axle sleeve 6's top connect in the bottom side of gag lever post 13, gag lever post 13 is circular-arcly, gag lever post 13's circular arc opening orientation deviates from axle sleeve 6 one side because axle sleeve 6 can drive gag lever post 13 activity from top to bottom, slide bar 11 can slide in the slide of cavity, and slide bar 11 can make gag lever post 13 move more steady, avoids it to rotate around axle sleeve 6.
Further as a preferred embodiment, an arc-shaped channel is arranged in the limit rod 13 along the arc length direction of the limit rod 13, so that the clutch pin can be conveniently clamped in the arc-shaped channel and can move in the arc-shaped channel, and the movement position of the clutch pin is limited.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (6)
1. An electromagnetic clutch, characterized in that: the electromagnetic coil fixing device comprises a shell, a cavity is arranged in the shell, an electromagnetic fixing frame is fixedly connected to the inner wall of the cavity, an opening is formed in the top of the electromagnetic fixing frame, a coil is arranged in the electromagnetic fixing frame, an electromagnetic core sealing plate is fixedly arranged in the opening, a magnet is arranged between the electromagnetic core sealing plate and the coil, a through channel is formed in the middle of the coil along the direction of the central axis of the coil, a shaft sleeve is arranged in the through channel, the top end of the shaft sleeve sequentially penetrates out of the top surfaces of the magnet, the electromagnetic core sealing plate and the shell, the shaft sleeve moves back and forth in the shell along the direction of the central axis of the coil, a reset spring is sleeved on the outer side of the shaft sleeve, a shaft shoulder is arranged at the top end of the shaft sleeve, the top end of the reset spring is, the top end of the shaft sleeve is connected with a clutch supporting plate.
2. An electromagnetic clutch according to claim 1 wherein: and the top side of the bottom surface of the electromagnetic fixing frame is provided with an absorption assisting column right opposite to the position of the shaft sleeve, and the top surface of the absorption assisting column is provided with a positioning groove matched with the bottom end of the shaft sleeve in shape.
3. An electromagnetic clutch according to claim 2 wherein: the bottom end of the shaft sleeve is conical.
4. An electromagnetic clutch according to claim 2 wherein: the shaft sleeve is provided with a first hollow channel and a second hollow channel from top to bottom in sequence along the central axis direction of the shaft sleeve, the first hollow channel is communicated with the second hollow channel, the inner diameter of the first hollow channel is larger than that of the second hollow channel, the top end of the first hollow channel is fixedly connected with a shaft cover, a shaft core is arranged in the first hollow channel, the top outer wall of the shaft core is provided with a limiting section, the outer diameter of the limiting section is larger than that of the second hollow channel, the bottom end of the shaft core penetrates through the second hollow channel, a suction assisting column and the bottom surface of an electromagnetic fixing frame in sequence, the top end of the shaft core is sleeved with a buffer spring, the top end of the buffer spring is abutted to the bottom surface of the shaft cover, and the bottom end of the buffer spring is abutted to the top surface of the limiting section.
5. An electromagnetic clutch as claimed in claim 4 wherein: the both sides wall of cavity all is provided with the slide, the slide with the axis of axle sleeve is parallel to each other, the separation and reunion layer board is including setting up respectively in two slide bar in the slide, two be connected with the connecting rod between the bottom of slide bar, the connecting rod set up in the below of axle core, two be connected with the gag lever post between the top of slide bar, the top of axle sleeve connect in the bottom side of gag lever post, the gag lever post is circular-arcly, the circular arc opening orientation of gag lever post deviates from axle sleeve one side.
6. An electromagnetic clutch as claimed in claim 5 wherein: an arc-shaped channel is arranged in the limiting rod along the arc length direction of the limiting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062213.5U CN209761062U (en) | 2019-01-15 | 2019-01-15 | Electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062213.5U CN209761062U (en) | 2019-01-15 | 2019-01-15 | Electromagnetic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761062U true CN209761062U (en) | 2019-12-10 |
Family
ID=68749601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920062213.5U Expired - Fee Related CN209761062U (en) | 2019-01-15 | 2019-01-15 | Electromagnetic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681041A (en) * | 2019-01-15 | 2019-04-26 | 广东南帆智能家居有限公司 | A kind of electromagnetic clutch |
-
2019
- 2019-01-15 CN CN201920062213.5U patent/CN209761062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681041A (en) * | 2019-01-15 | 2019-04-26 | 广东南帆智能家居有限公司 | A kind of electromagnetic clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |