CN1333179C - Tube shaped electric machine brake device - Google Patents
Tube shaped electric machine brake device Download PDFInfo
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- CN1333179C CN1333179C CNB2005100970282A CN200510097028A CN1333179C CN 1333179 C CN1333179 C CN 1333179C CN B2005100970282 A CNB2005100970282 A CN B2005100970282A CN 200510097028 A CN200510097028 A CN 200510097028A CN 1333179 C CN1333179 C CN 1333179C
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Abstract
The present invention relates to a brake device for a tubular electric motor. The present invention comprises a rotor component of the electric motor, a stator component of the electric motor and a brake assembly which are arranged in a cavity of an outer shell of the electric motor, wherein the brake assembly comprises a brake spring and a brake component. The brake spring is sheathed on an upper rod part of a rotor shaft of the rotor component of the electric motor. The brake component comprises a lower brake component and an upper brake component with brake functions, and the lower brake component is inlaid with a metal iron. The bottom end of the upper rod of a rotor shaft is inlaid with an iron attracting component of the electric motor shaft. The lower end surface of the iron attracting component of the electric motor shaft is attached to the upper end surface of the rotor. The iron attracting component of the electric motor shaft attracts the metal iron of the lower brake component by magnetic force which is generated by rotor of the electric motor. The lower brake component presses the brake spring to be disengaged from the upper brake component. The present invention has the advantage of damping force simultaneously generated on both surfaces, utilizes the magnetic field generated by the electric motor self conducted with current to attract the lower brake component, causes a brake to be disengaged from the electric motor to run, can brake in accuracy, rapidity, energy saving and noise reduction, and synchronously runs or stops with a roller shutter electric motor.
Description
Technical field
The present invention relates to the tube shaped electric machine braking device, relate in particular to and to guarantee that accurate fast and safely reliable, energy-efficient noise reduction carries out the tube shaped electric machine brake device of braking brake flexibly.Be used for braking and brake that needs coilings such as multiple electric rolling door, roll-up window, garage door, sunshade open and close occasion.
Background technique
Tube shaped electric machine is as drive unit, and it utilizes the space mounting of Roll Sushi heart portion, has and has compact structure, torque is big, rotating speed waits advantage slowly.Out of service and rest on this position immediately for guaranteeing rolling shutter door etc. in the moment of cutting off the electricity supply, prevent that the rolling shutter door that is pulled up etc. from because of deadweight the phenomenon that glides taking place, it is inaccurate to eliminate the location of causing because of the effect of inertia of rotor high-speed after becoming to rotate.For guaranteeing the Security of self-lock abilities such as rolling shutter door and use, a kind of brake device need be set.June 5 2003 applying date, patent No. ZL0323188.7 China's utility model patent " break of tube shaped electric machine " discloses a kind of break of tube shaped electric machine, be installed in the rolling shutter door axle housing and be used with the roller shutter motor, by being connected with the unshakable in one's determination of spring and being fixed on the roller shutter motor shaft, braking plate with braking action cooperates with elastic braking plate, and be installed in the axle housing and constitute, also be connected with field coil on the described iron core, and field coil and the while switching of roller shutter motor.When the roller shutter electrical power rotated, the field coil energising produced magnetic field, and suction makes elastic braking plate leave braking plate, and the roller shutter motor runs well.If have a power failure no suction, by spring force elastic braking plate be close to braking plate, at once braking brake.What but this tube shaped electric machine adopted is a kind of single face friction device, and its braking effect is undesirable; What its control braking device adopted is electromagnetic coil and motor joining mode, and its shortcoming is that power consumption is big, and the electromagnetic coil power consumption is almost the same with work drive motor, easily produces harmful electromagnetic noise and heat energy.Motor is with regard to cisco unity malfunction when electromagnetic coil damages, and can produce serious consequence.And its preparation process, assembly technology is more complicated all, and cost of production is big.
July 10 2002 applying date, the Chinese utility model patent of patent No. ZL02265409.7 " a kind of braking device of tube shaped electric machine " discloses a kind of braking device of tube shaped electric machine, mainly comprise bearing support, pressure spring, rotor mandrel and central gear, on central gear, have tilted slotted hole, be fixed with brake block and corresponding on its end face with brake mount; Straight pin is fixedly connected in the rotor mandrel, and is installed in the tilted slotted hole; Pressure spring is sleeved in the rotor mandrel between bearing and the central gear.Described tilted slotted hole is triangle or other shapes.Its useful effect is: owing to adopt the mechanical type brake structure of tilted slotted hole, straight pin and pressure spring, thereby cost is low and braking ability is good.But this tube shaped electric machine is to adopt the single face friction device equally, and braking effect is undesirable, the wearing piece of burning easily during empty load of motor, and this kind model is unsuitable for underloading with unloaded.Preparation process, assembly technology be more complicated all also, and cost of production is big.Do not satisfy energy-efficient noise reduction braking brake needs flexibly, above-mentioned problem is also unresolved.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency, provide have easy to maintenance, energy-saving and noise-reducing, safe and reliable, and can be accurately the tube shaped electric machine brake device of synchronous operation or braking brake fast.Be used for braking and brake that needs coilings such as multiple electric rolling door, roll-up window, garage door, sunshade open and close occasion.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: tube shaped electric machine brake device, comprise the rotor assembly, motor stator component, the brake assembly that are fitted in the motor housing chamber, brake assembly includes brake spring and brake assemblies, this brake spring is sleeved on the rotor shaft upper pole part of rotor assembly, the technical measures of taking comprise: brake assemblies comprises that the merging that matches has the following brake assemblies and the last brake assemblies of braking brake effect, and following brake assemblies is embedded with metallic iron; Rotor shaft upper boom bottom is nested with motor shaft and inhales iron component, and this motor shaft is inhaled the upper-end surface of iron component lower end surface applying rotor; The magnetic force that motor shaft suction iron component utilizes rotor to produce will descend the metallic iron adhesive in the brake assemblies; Following brake assemblies compression brake spring breaks away from goes up brake assemblies; Brake assemblies has at least two convex bodys, inserts in the recess that the brake bearing bracket that matches is shaped on; For making braking effect better, brake assemblies also includes between following brake assemblies and last brake assemblies, and corresponding with both respectively cooperation has the middle brake assemblies of braking brake effect; Be to eliminate the inertia and the braking action of rotor, middle brake assemblies has at least two convex bodys, inserts in the recess that the brake bearing bracket that matches is shaped on, and both cooperate in the circumferencial direction location, cooperate in the relative movement of rotor shaft direction.
Concrete technical measures also comprise:
For equipped more firmly, motor shaft and motor shaft are inhaled iron component and are made up of with the suction iron ring that is socketed in this metal lining periphery the metal lining that is nested on the rotor shaft.
For brake provides reliable accumulation of energy elastic force, brake spring is spacing between metal lining upper-end surface and following brake assemblies internal shoulder.
For the brake spring of accumulation of energy elastic force provides compression and release distance, inhale between the metallic iron lower end surface in iron ring upper-end surface and the following brake assemblies, the gap of brake assemblies and the disengaging of last brake assemblies under cooperating is arranged.
For preventing down the brake assemblies rotation, and play axial leading role, the brake assemblies cavity inserted and goes up in the shrinkage pool that brake assemblies is shaped on during the raised line that following brake assemblies top is shaped on ran through.In like manner, the brake assemblies cavity embedded and goes up in the groove that brake assemblies is shaped on during the raised line that also can following brake assemblies top be shaped on ran through.
Compared with prior art, brake assemblies of the present invention comprises that the merging that matches has the following brake assemblies and the last brake assemblies of braking brake effect, and following brake assemblies is embedded with metallic iron; Rotor shaft upper boom bottom is nested with motor shaft and inhales iron component, and this motor shaft is inhaled the upper-end surface of iron component lower end surface applying rotor; The magnetic force that motor shaft suction iron component utilizes rotor to produce will descend the metallic iron adhesive in the brake assemblies; Following brake assemblies compression brake spring breaks away from goes up brake assemblies; Brake assemblies has at least two convex bodys, inserts in the recess that the brake bearing bracket that matches is shaped on.The invention has the advantages that: the one, each design of part that is equipped with is simple, easily processing, braking ability is good, assembly technology is simple and reliable, and is convenient; Because of in the two-sided damping force that produces simultaneously of brake assemblies, the braking action that produces than in the past above-mentioned two kinds of single face braking devices that existing patent adopted strengthens one times.The 2nd, do not adopt the additional mode of electromagnetic coil to remove to drive brake device, and the action of a magnetic field that produces when utilizing motor energising itself remove brake assemblies under the adhesive, making brake separation motor rotation.After rotor shaft suction iron loses the effect in magnetic field during outage, brake assemblies separates with rotor shaft suction iron under the elastic force effect of spring, the two-sided while of wearing piece is stressed, make brake produce damping force, convex body on the brake assemblies is under the effect of brake bearing bracket recess, eliminate the inertia of rotor, the stall of control motor.Than in the past like product have more power saving, highly sensitive, noiseless, to compare heat energy low, can not damage motor because the heat energy that produces is high, guarantees motor working life.And can be accurately fast, energy-saving and noise-reducing carries out braking brake.It is rational in infrastructure, and assembling is simple, and convenient the use can be installed in and move with the roller shutter motor synchronous in the axle housing of devices such as rolling shutter door or stop.
Description of drawings
Fig. 1 is the equipped partial schematic sectional view of the embodiment of the invention;
Fig. 2 be among Fig. 1 when outage brake assemblies closed condition cross-sectional schematic;
Fig. 3 be among Fig. 1 when energising brake assemblies disengaged position cross-sectional schematic;
Fig. 4 is the decomposing state schematic representation of the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 is extremely shown in Figure 4, illustration, and motor housing 1, motor sheath 2, rotor 3, motor stator 4, motor shaft are inhaled iron component 5, brake spring 6, following brake assemblies 7, middle brake assemblies 8, are gone up brake assemblies 9, brake bearing bracket 10, bearing 11.
Tube shaped electric machine brake device, comprise the rotor assembly, motor stator component, the brake assembly that are fitted in motor housing 1 chamber, brake assembly includes brake spring 6 and brake assemblies, this brake spring 6 is sleeved on rotor shaft 31 upper pole parts of rotor assembly, brake assemblies comprises that the merging that matches has the following brake assemblies 7 and the last brake assemblies 9 of braking brake effect, and following brake assemblies 7 is embedded with metallic iron 71; Rotor shaft 31 upper boom bottoms are nested with motor shaft and inhale iron component 5, and this motor shaft is inhaled the upper-end surface of iron component 5 lower end surface applying rotors; The magnetic force that motor shaft suction iron component 5 utilizes rotor 3 to produce will descend metallic iron 71 adhesives in the brake assemblies 7; Following brake assemblies 7 compression brake springs 6 break away from goes up brake assemblies 9.Brake assemblies also includes between following brake assemblies 7 and last brake assemblies 9, and corresponding with both respectively cooperation has the middle brake assemblies 8 of braking brake effect.Motor shaft is inhaled iron component 5 and is made up of with the suction iron ring 51 of this metal lining 52 that is coupling the metal lining 52 that is nested on the rotor shaft 31.Brake spring 6 is spacing between metal lining 52 upper-end surfaces and following brake assemblies 7 internal shoulders.Inhale between metallic iron 71 lower end surfaces in iron ring 51 upper-end surfaces and the following brake assemblies 7, the gap that cooperates following brake assemblies 7 and last brake assemblies 9 to break away from is arranged.Brake assemblies 8 cavitys inserted in the shrinkage pool that upward brake assemblies 9 is shaped on during the raised line that following brake assemblies 7 tops are shaped on ran through.The shrinkage pool that last brake assemblies 9 is shaped on also can be for replacing with groove; Brake assemblies 8 cavitys embedded in the groove that upward brake assemblies 9 is shaped on during the raised line that above-mentioned following brake assemblies 7 tops are shaped on ran through.In brake assemblies 8 have at least two convex bodys, insert in the recess that the brake bearing bracket 10 that matches is shaped on.
In conjunction with total assembling structure to erection sequence of the present invention: earlier spring 6 is installed on the rotor axis of electric, put into down brake assemblies 7, put into brake assemblies 8 again and be pressed into brake assemblies 9, brake assemblies 9 and rotor axis of electric are closely cooperated, and the brake bearing bracket 10 that bearing 11 will be installed is at last installed.Braking device assembly of the present invention installs.
The effect of each parts, combination separate and working principle:
Motor housing 1 is to be used for built-in fixed electrical machinery and brake assembly; Motor sheath 2 is to be used to protect motor coil and location to use; Rotor 3 is to be used to produce torsion and rotation; Motor stator 4 is to be used for energising generation magnetic field to make rotor generate motive force; It is that the magnetic force that utilizes rotor to produce will descend the brake assemblies actuating and disconnecting that motor shaft is inhaled iron component 5; Brake spring 6 is to be used for that brake assemblies 7 resets under the roof pressure; Following brake assemblies 7 is to be used for friction brake assemblies 8, and breaks away from brake and close braking action; Middle brake assemblies 8 is wearing pieces, and the power of brake assemblies 7 and last brake assemblies 9 passes to brake bearing bracket 10 by at least two convex bodys of its periphery under its handle; Last brake assemblies 9 is that friction and fixed electrical machinery rotor 3 location are used; Brake bearing bracket 10 be fixing in brake assemblies 8 can not rotate but can move axially, and moment is eliminated the running inertia of rotor; Bearing 11 is to support and fixed rotor usefulness.
On motor stator 4 windings are logical, produce the magnetic line of force under the Ac situation, on rotor 3 magnet steel, produce magnetic field.Under the effect in magnetic field, motor shaft is inhaled metallic iron 71 adhesives in iron component 5 and the following brake assemblies 7.As shown in Figure 2, rotor 3 and following brake assemblies 7 closed conditions during outage; As shown in Figure 3, the disengaged position of brake spring 6 after by compression during energising; The disengaged position of middle brake assemblies 8 and upper and lower brake assemblies; In motor stator winding, illogical submitting under the power transformation situation, under the effect of brake spring 6, last brake assemblies 9, middle brake assemblies 8, brake assemblies 7 combinations down.
After motor stator 4 was connected power supply, motor stator 4 produced magnetic field, and rotor 3 begins to rotate, the motor proper functioning, the magnetic field that synchronous induction electromotor rotor 3 produces is inhaled iron component 5 to motor shaft and is produced suction, and suction can overcome the elastic force of brake spring 6, brake assemblies 7 adhesives down.Moving down of following brake assemblies 7 makes middle brake assemblies 8 and following brake assemblies 7 and last brake assemblies 9 produce the gap simultaneously, and braking device of the present invention is opened disengaging fully.Brake spring 6, brake assemblies 7, upward and then rotor 3 rotations of brake assemblies 9 down, and middle brake assemblies 8 stationary parts, brake bearing bracket 10 is stationary fixing parts.
When motor stator 4 outages, motor stator 4 magnetic fields disappear, rotor 3 magnetic fields disappear synchronously, motor shaft is inhaled iron component 5 suction to disappear simultaneously, under the elastic force effect of brake spring 6, following brake assemblies 7 is inhaled iron component 5 with motor shaft and is broken away from, and brake assemblies 8 moves and last brake assemblies 9 formation are pushed in the roof pressure.Following brake assemblies 7 and last brake assemblies 9 produce the friction braking with middle brake assemblies 8 simultaneously, brake simultaneously in the two sides, convex body on the middle brake assemblies 8 is under the effect of brake bearing bracket 10 recesses, moment is eliminated the inertia of rotor, thereby control motor stall, rotor 3 is braked, the jail of stopping rapidly.
Though the present invention illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (6)
1, tube shaped electric machine brake device, comprise the rotor assembly, motor stator component, the brake assembly that are fitted in motor housing (1) chamber, described brake assembly includes brake spring (6) and brake assemblies, this brake spring (6) is sleeved on rotor shaft (31) upper pole part of described rotor assembly, it is characterized in that: described brake assemblies comprises that the merging that matches has the following brake assemblies (7) and the last brake assemblies (9) of braking brake effect, and following brake assemblies (7) is embedded with metallic iron (71); Described rotor shaft (31) upper boom bottom is nested with motor shaft and inhales iron component (5), and this motor shaft is inhaled the upper-end surface of iron component (5) lower end surface applying rotor; Described motor shaft is inhaled iron component (5) and is utilized the magnetic force of rotor (3) generation with metallic iron (71) adhesive in the described brake assemblies (7) down; Described brake assemblies (7) down compresses brake assemblies (9) in described brake spring (6) disengaging; Described brake assemblies has at least two convex bodys, inserts in the recess that the brake bearing bracket (10) that matches is shaped on; Under described brake assemblies also includes and is positioned between brake assemblies (7) and the last brake assemblies (9), and corresponding with both respectively cooperation has the middle brake assemblies (8) of braking brake effect; Brake assemblies (8) has described at least two convex bodys in described, inserts in the recess that the brake bearing bracket (10) that matches is shaped on, and both cooperate in the circumferencial direction location, cooperate in rotor shaft (31) direction relative movement.
2, tube shaped electric machine brake device according to claim 1 is characterized in that: described motor shaft is inhaled iron component (5) and is made up of the suction iron ring (51) that is nested in the metal lining (52) on the rotor shaft (31) and is socketed in this metal lining (52) periphery.
3, tube shaped electric machine brake device according to claim 2 is characterized in that: described brake spring (6) is spacing in described metal lining (52) upper-end surface and described down between brake assemblies (7) internal shoulder.
4, tube shaped electric machine brake device according to claim 2, it is characterized in that: between metallic iron (71) lower end surface in described suction iron ring (51) upper-end surface and the following brake assemblies (7), the gap that cooperates described brake assemblies (7) down and last brake assemblies (9) to break away from is arranged.
5, tube shaped electric machine brake device according to claim 1 is characterized in that: the raised line that described brake assemblies (7) top down is shaped on runs through middle brake assemblies (8) cavity and inserts in the described upward shrinkage pool that brake assemblies (9) is shaped on.
6, tube shaped electric machine brake device according to claim 1 is characterized in that: the raised line that described brake assemblies (7) top down is shaped on runs through middle brake assemblies (8) cavity and embeds in the described upward groove that brake assemblies (9) is shaped on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100970282A CN1333179C (en) | 2005-12-30 | 2005-12-30 | Tube shaped electric machine brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100970282A CN1333179C (en) | 2005-12-30 | 2005-12-30 | Tube shaped electric machine brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1793682A CN1793682A (en) | 2006-06-28 |
| CN1333179C true CN1333179C (en) | 2007-08-22 |
Family
ID=36805285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100970282A Expired - Fee Related CN1333179C (en) | 2005-12-30 | 2005-12-30 | Tube shaped electric machine brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1333179C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819870B (en) * | 2012-08-03 | 2016-04-20 | 无锡市瑞丰精密机电技术有限公司 | The brake structure of taxi car counter whole-car checking device |
| CN104006094B (en) * | 2014-06-11 | 2016-08-24 | 漳州科晖机械电子有限公司 | A kind of roller shutter door machine |
| CN105591572B (en) * | 2016-03-16 | 2018-01-23 | 华尔达（厦门）塑胶有限公司 | The improved structure of tubular motor brake device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19719990A1 (en) * | 1997-05-13 | 1998-11-19 | Elektrische Geraete Gmbh & Co | Brake for electric motor, esp. for moving control elements in motor vehicle |
| JP2000035064A (en) * | 1998-07-16 | 2000-02-02 | Tabuchi Tec Kk | Brake built-in motor |
| US6321883B1 (en) * | 1998-05-14 | 2001-11-27 | Sew-Eurodrive Gmbh & Co. | Electromagnetically actuated brake |
| CN2554859Y (en) * | 2002-07-10 | 2003-06-04 | 华林 | Brake device of tubular electric machine |
| CN2560149Y (en) * | 2002-08-27 | 2003-07-09 | 商庆元 | External inserting tube shape electric machine |
| CN2622916Y (en) * | 2003-06-05 | 2004-06-30 | 孙宜培 | Brake of tubular dynamo |
| CN2692908Y (en) * | 2004-03-16 | 2005-04-13 | 黄飞挺 | Tubular curtain rolling motor |
| CN2859910Y (en) * | 2005-12-30 | 2007-01-17 | 华如祥 | Tube shaped electric machine brake device |
-
2005
- 2005-12-30 CN CNB2005100970282A patent/CN1333179C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19719990A1 (en) * | 1997-05-13 | 1998-11-19 | Elektrische Geraete Gmbh & Co | Brake for electric motor, esp. for moving control elements in motor vehicle |
| US6321883B1 (en) * | 1998-05-14 | 2001-11-27 | Sew-Eurodrive Gmbh & Co. | Electromagnetically actuated brake |
| JP2000035064A (en) * | 1998-07-16 | 2000-02-02 | Tabuchi Tec Kk | Brake built-in motor |
| CN2554859Y (en) * | 2002-07-10 | 2003-06-04 | 华林 | Brake device of tubular electric machine |
| CN2560149Y (en) * | 2002-08-27 | 2003-07-09 | 商庆元 | External inserting tube shape electric machine |
| CN2622916Y (en) * | 2003-06-05 | 2004-06-30 | 孙宜培 | Brake of tubular dynamo |
| CN2692908Y (en) * | 2004-03-16 | 2005-04-13 | 黄飞挺 | Tubular curtain rolling motor |
| CN2859910Y (en) * | 2005-12-30 | 2007-01-17 | 华如祥 | Tube shaped electric machine brake device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1793682A (en) | 2006-06-28 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20070822 Termination date: 20121230 |