CN220646561U - Outer rotor electromagnetic brake with dustproof function - Google Patents
Outer rotor electromagnetic brake with dustproof function Download PDFInfo
- Publication number
- CN220646561U CN220646561U CN202322484671.7U CN202322484671U CN220646561U CN 220646561 U CN220646561 U CN 220646561U CN 202322484671 U CN202322484671 U CN 202322484671U CN 220646561 U CN220646561 U CN 220646561U
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- China
- Prior art keywords
- stator
- dust cover
- electromagnetic brake
- outer rotor
- dust
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- 239000000428 dust Substances 0.000 claims abstract description 78
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000010030 laminating Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model relates to the technical field of electromagnetic brakes, and discloses an outer rotor electromagnetic brake with a dustproof function, which comprises: the stator and circuit, four mounting grooves have been seted up along circumference equidistance to the inside of stator, and the inside fixed mounting of mounting groove has solenoid, four through circuit connection power between the solenoid, four fixed mounting has the friction disc between one side of solenoid. The utility model is provided with the stator, the armature hub, the dust cover and other parts, the dust cover is arranged between the stator and the armature hub, and meanwhile, dust can be reduced from entering the inner part of the outer rotor electromagnetic brake through the sealing bearing between the stator and the rotating shaft, so that the dust is reduced to cover the surfaces of the friction plate and the armature, the braking effect is further improved, and meanwhile, the dust cover is convenient to rapidly install through the cooperation of the connecting lantern ring, the dust cover and the fixing component.
Description
Technical Field
The utility model relates to the technical field of electromagnetic brakes, in particular to an outer rotor electromagnetic brake with a dustproof function.
Background
The electromagnetic brake is a connector for transmitting the torque force of the active side to the passive side, and can be freely combined, cut off or braked according to the requirement; is a mechanical part for stopping or decelerating a moving part in a machine, and is commonly called a brake or a brake; the brake mainly comprises a brake frame, a brake piece, an operating device and the like.
The existing outer rotor electromagnetic brake lacks a dustproof part, when the electromagnetic brake is used in an environment with more dust for a long time, the dust can enter the electromagnetic brake and adhere to the surfaces of the friction plate and the armature, and when the electromagnetic brake is used for braking, a large amount of dust adheres to the surfaces of the friction plate and the armature, so that the braking effect is further reduced, the braking time is increased, a large amount of heat is generated, and the heat dissipation effect is affected by the adhesion of a large amount of dust. Therefore, the utility model designs an outer rotor electromagnetic brake with a dustproof function to solve the problems in the prior art.
Disclosure of Invention
The utility model aims to provide an outer rotor electromagnetic brake with a dustproof function, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an outer rotor electromagnetic brake with dustproof function, comprising: the stator and circuit, four mounting grooves have been seted up along circumference equidistance to the inside of stator, and the inside fixed mounting of mounting groove has solenoid, four through the line connection power between the solenoid, four fixed mounting has the friction disc between one side of solenoid, the mid-section rotation of stator installs the pivot, and the fixed surface mounting of pivot one end has armature hub, one side fixed mounting that armature hub is close to the friction disc has the leaf spring, and one side fixed mounting of leaf spring has the armature, the fixed surface mounting of armature has the dust cover, the stator is close to the fixed surface of dust cover one end and installs the bearing, and the outer lane fixedly connected with of bearing connects the lantern ring, the inner wall of dust cover one end is laminated with the surface of connecting the lantern ring, the equidistance is provided with three fixed subassembly between the one end of dust cover and the surface of connecting the lantern ring.
Preferably, a sealing bearing is arranged on the surface of the rotating shaft, an inner ring of the sealing bearing is fixedly connected with the surface of the rotating shaft, and an outer ring of the sealing bearing is fixedly connected with the inner wall of the stator.
Preferably, an annular dust screen is arranged in the middle of the dust cover.
Preferably, the fixing assembly includes: the locating device comprises a locating groove and a cavity, wherein the locating groove is formed in the surface of a connecting lantern ring, the inside of one end of a dust cover is arranged in the vertical direction of the cavity in a penetrating mode, one end of the cavity is communicated with one end of the locating groove in an adjacent mode, a locating pin is inserted in the cavity in a movable mode, one end of the locating pin extends to the inside of the locating groove, a limiting ring is fixedly connected to the middle of the locating pin, a reset spring is sleeved at the other end of the locating pin, one end of the reset spring is fixedly connected with the inner wall of the cavity, and the other end of the reset spring is fixedly connected with the surface of the limiting ring.
Preferably, one end of the positioning pin is set to be an inclined plane, and one side of the connecting lantern ring is set to be an inclined plane matched with the inclined plane at one end of the positioning pin.
Preferably, the brush rod is fixedly connected with the surface of the other end of the stator in the horizontal direction, and one end of the brush rod is attached to the surface of the dust cover.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the stator, the armature hub, the dust cover and other parts, the dust cover is arranged between the stator and the armature hub, and meanwhile, dust can be reduced from entering the inner part of the outer rotor electromagnetic brake through the sealing bearing between the stator and the rotating shaft, so that the dust is reduced from covering the surfaces of the friction plate and the armature, the braking effect is further improved, and meanwhile, the dust cover is convenient to rapidly install through the cooperation of the connecting lantern ring, the dust cover and the fixing assembly;
2. according to the utility model, through the arrangement of the dust cover, the annular dust screen, the brush rod and other parts, when the armature hub drives the dust cover to rotate, the brush hair at one end of the brush rod sweeps the surface of the annular dust screen in the middle of the dust cover, so that the dust is prevented from blocking holes on the surface of the annular dust screen, and the heat dissipation effect inside the outer rotor electromagnetic brake is further influenced.
Drawings
FIG. 1 is a schematic view in front cross-section of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;
fig. 3 is a right-side schematic view of the partial structures of the rotating shaft, the armature hub, the dust cover and the like.
In the figure: 1. a stator; 2. a mounting groove; 3. an electromagnetic coil; 301. a line; 4. a rotating shaft; 5. a friction plate; 6. an armature hub; 7. a leaf spring; 8. an armature; 9. a bearing; 10. a connecting collar; 11. a dust cover; 1101. an annular dust screen; 12. a fixing assembly; 1201. a positioning groove; 1202. a cavity; 1203. a positioning pin; 1204. a limiting ring; 1205. a return spring; 13. a brush bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an embodiment of the present utility model is provided: an outer rotor electromagnetic brake with dustproof function, comprising: the stator 1 and circuit 301, four mounting grooves 2 have been seted up along circumference equidistance to the inside of stator 1, and the inside fixed mounting of mounting groove 2 has solenoid 3, connect the power through circuit 301 between four solenoid 3, fixed mounting has friction disc 5 between one side of four solenoid 3, the mid-rotation of stator 1 installs pivot 4, and the fixed surface mounting of pivot 4 one end has armature hub 6, the fixed surface mounting of one side that armature hub 6 is close to friction disc 5 has leaf spring 7, and the fixed surface mounting of one side of leaf spring 7 has armature 8, the fixed surface mounting of armature 8 has dust cover 11, the surface rotation of stator 1 is close to dust cover 11 one end installs bearing 9, and the outer lane fixedly connected with of bearing 9 connects lantern ring 10, the dust cover 11 is simultaneously driving the rotation of connecting lantern ring 10 when pivot 4 drives the dust cover 11 on armature hub 6 surface, because through the setting of bearing 9 between stator 1 and the connecting lantern ring 10, make the rotation of connecting lantern ring 10 not interfered, the inner wall of dust cover 11 one end and the surface of connecting lantern ring 10, the fixed surface laminating of three fixed subassembly 12 that is provided with between the one end of dust cover 11 and the connecting lantern ring 10. Through the setting of fixed subassembly 12, be convenient for install fast between dust cover 11 and the connecting collar 10, and through the dust cover 11 of installing between stator 1 and the armature hub 6, can reduce the inside that the dust got into external rotor electromagnetic braking ware.
Referring to fig. 1, in this embodiment: the surface of the rotating shaft 4 is provided with a sealing bearing, the inner ring of the sealing bearing is fixedly connected with the surface of the rotating shaft 4, and the outer ring of the sealing bearing is fixedly connected with the inner wall of the stator 1. Through sealed bearing setting, further reduce granule such as dust and get into the inside of stator 1 through the gap between pivot 4 and the stator 1, improve dustproof effect.
Referring to fig. 1-2, in this embodiment: an annular dust screen 1101 is provided in the middle of the dust cover 11. Can reduce the inside that the dust got into electromagnetic braking ware through the setting of annular dust screen 1101 to reduce the dust and cover on the surface of friction disc 5 and armature 8, influence braking effect, simultaneously through the hole on annular dust screen 1101 surface, the inside heat dissipation of outer rotor electromagnetic braking ware of being convenient for.
Referring to fig. 1-2, in this embodiment: the securing assembly 12 includes: the positioning device comprises positioning grooves 1201 and cavities 1202, wherein the positioning grooves 1201 are formed in the surface of the connecting collar 10, the cavities 1202 penetrate through the inside of one end of the dust cover 11 in the vertical direction, one end of each cavity 1202 is communicated with one end of each adjacent positioning groove 1201, positioning pins 1203 are movably inserted in the cavities 1202, one ends of the positioning pins 1203 extend into the inside of the positioning grooves 1201, the middle parts of the positioning pins 1203 are fixedly connected with limiting rings 1204, the other ends of the positioning pins 1203 are sleeved with reset springs 1205, one ends of the reset springs 1205 are fixedly connected with the inner walls of the cavities 1202, and the other ends of the reset springs 1205 are fixedly connected with the surfaces of the limiting rings 1204. The connecting lantern ring 10 which is rotatably installed through one end of the stator 1 is fixedly installed between the connecting lantern ring 10 and the dust cover 11 which is fixedly installed on the surface of the armature hub 6, so that the entering of internal dust of the electromagnetic brake can be reduced, and the phenomenon that the dust covers the surfaces of the friction plate 5 and the armature 8 after the electromagnetic brake is used for a long time to influence the braking effect is avoided.
Referring to fig. 1-2, in this embodiment: one end of the positioning pin 1203 is provided with an inclined surface, and one side of the connection collar 10 is provided with an inclined surface which is matched with the inclined surface of one end of the positioning pin 1203. When the dust cover 11 is installed on the surface of the connecting lantern ring 10, the dust cover 11 is pushed towards the direction of the connecting lantern ring 10, and the inclined surface at one end of the positioning pin 1203 is matched with the inclined surface at one side of the connecting lantern ring 10, so that the positioning pin 1203 is convenient to move towards the cavity 1202 by extrusion, and quick installation between the dust cover 11 and the connecting lantern ring 10 is facilitated.
Referring to fig. 1, in this embodiment: the brush rod 13 is fixedly connected to the surface of the other end of the stator 1 in the horizontal direction, and one end of the brush rod 13 is attached to the surface of the dust cover 11. The brush hair of brush-holder stud 13 one end laminating is at the annular dust screen 1101 surface in dust cover 11 middle part, and when dust cover 11 rotated, the brush hair of brush-holder stud 13 one end was swept the surface of annular dust screen 1101, avoided the dust to cause the jam to the hole on annular dust screen 1101 surface, influenced the inside radiating effect of external rotor electromagnetic braking ware.
Working principle: when the positioning pin 1203 is released from extrusion, the positioning pin 1203 is elastically reset and inserted into the corresponding positioning groove 1201 to complete the installation between the dust cover 11 and the connecting collar 10 after being stressed by the reset spring 1205, the influence of dust entering the inside of the electromagnetic brake on the surface of the friction plate 5 and the surface of the armature 8 can be reduced when the armature hub 6 is fixed on the surface of the rotating shaft 4, and meanwhile, in the process of using, the brush hair at one end of the brush rod 13 brushes the surface of the annular dust screen 1101 and places dust to cause blockage on the holes on the surface of the annular dust screen 1101 in the rotating shaft 4 during the rotation of the dust cover 11 driving the surface of the armature hub 6 by the rotating shaft 4, thereby influencing the heat dissipation of the inside of the electromagnetic brake. What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. An outer rotor electromagnetic brake with dustproof function, comprising: stator (1) and circuit (301), characterized by: four mounting grooves (2) have been seted up along circumference equidistance to the inside of stator (1), and the inside fixed mounting of mounting groove (2) has solenoid (3), four connect power through circuit (301) between solenoid (3) the fixed mounting has friction disc (5) between one side of solenoid (3), the middle part rotation of stator (1) is installed pivot (4), and the fixed surface of pivot (4) one end installs armature hub (6), one side fixed mounting that armature hub (6) is close to friction disc (5) has leaf spring (7), and one side fixed mounting of leaf spring (7) has armature (8), the fixed surface of armature (8) installs dust cover (11), the fixed surface that stator (1) is close to dust cover (11) one end rotates and installs bearing (9), and the outer lane fixedly connected with of bearing (9) connects lantern ring (10), the inner wall of dust cover (11) one end and the surface of connecting lantern ring (10), three fixed subassembly (12) laminating between the one end of dust cover (11) and the surface of connecting lantern ring (10) are provided with the fixed equidistance.
2. The outer rotor electromagnetic brake with dustproof function according to claim 1, wherein: the surface of the rotating shaft (4) is provided with a sealing bearing, the inner ring of the sealing bearing is fixedly connected with the surface of the rotating shaft (4), and the outer ring of the sealing bearing is fixedly connected with the inner wall of the stator (1).
3. The outer rotor electromagnetic brake with dustproof function according to claim 1, wherein: an annular dust screen (1101) is arranged in the middle of the dust cover (11).
4. The outer rotor electromagnetic brake with dustproof function according to claim 1, wherein: the securing assembly (12) includes: constant head tank (1201) and cavity (1202), the surface at connecting lantern ring (10) is seted up in constant head tank (1201), cavity (1202) vertical direction runs through the inside of seting up in dust cover (11) one end, the one end of cavity (1202) with be adjacent one end intercommunication of constant head tank (1201), the inside activity of cavity (1202) is interluded has locating pin (1203), and the one end of locating pin (1203) extends to the inside of constant head tank (1201), the middle part fixedly connected with spacing ring (1204) of locating pin (1203), reset spring (1205) are equipped with to the other end cover of locating pin (1203), and the one end of reset spring (1205) and the inner wall fixed connection of cavity (1202), the other end of reset spring (1205) and the fixed surface connection of spacing ring (1204).
5. The outer rotor electromagnetic brake with dustproof function according to claim 4, wherein: one end of the positioning pin (1203) is provided with an inclined plane, and one side of the connecting ring (10) is provided with an inclined plane matched with the inclined plane at one end of the positioning pin (1203).
6. The outer rotor electromagnetic brake with dustproof function according to claim 1, wherein: the surface horizontal direction of stator (1) other end fixedly connected with brush-holder stud (13), and the one end laminating of brush-holder stud (13) is at the surface of dust cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322484671.7U CN220646561U (en) | 2023-09-13 | 2023-09-13 | Outer rotor electromagnetic brake with dustproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322484671.7U CN220646561U (en) | 2023-09-13 | 2023-09-13 | Outer rotor electromagnetic brake with dustproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646561U true CN220646561U (en) | 2024-03-22 |
Family
ID=90265343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322484671.7U Active CN220646561U (en) | 2023-09-13 | 2023-09-13 | Outer rotor electromagnetic brake with dustproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646561U (en) |
-
2023
- 2023-09-13 CN CN202322484671.7U patent/CN220646561U/en active Active
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