CN107859703A - Brake stator structure and the electromagnetic brake for including it - Google Patents
Brake stator structure and the electromagnetic brake for including it Download PDFInfo
- Publication number
- CN107859703A CN107859703A CN201711320984.1A CN201711320984A CN107859703A CN 107859703 A CN107859703 A CN 107859703A CN 201711320984 A CN201711320984 A CN 201711320984A CN 107859703 A CN107859703 A CN 107859703A
- Authority
- CN
- China
- Prior art keywords
- brake
- stator structure
- mounting groove
- electromagnetic brake
- groove
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
Abstract
The invention discloses a kind of brake stator structure and include its electromagnetic brake.The brake stator structure, it is arranged in electromagnetic brake, stator structure includes the first face and the second face being oppositely arranged, on the first face formed with escape groove, on the second surface formed with mounting groove, wherein, escape groove is used to form avoiding space on the first face, brake stator structure is avoided to be rubbed with the moving component on electromagnetic brake, mounting groove is used for the coil for installing electromagnetic brake, the position close to escape groove is provided with lug boss on the cell wall of mounting groove, the lug boss is used to increase magnetic path width of the magnetic field caused by coil by the part between escape groove and mounting groove.The present invention avoids occurring magnetic circuit saturated phenomenon in the position and influenceing magnetic force by setting lug boss to increase the width of magnetic circuit between escape groove and mounting groove.Also, because the setting of lug boss can make the thickness of brake stator structure smaller.
Description
Technical field
The present invention relates to electromagnetic brake correlative technology field, particularly a kind of brake stator structure and include its electricity
Magnetic brake.
Background technology
Electromagnetic brake is an important basic part, and it integrates machinery, electric, electronic technology, and it is mainly used in
The accurate control of rotating mechanism (such as electric machine) and braking.
The wherein small volume of Split type electric magnetic brake, the overall dimensions influence on motor is smaller, is more suitable for being arranged on
On the motor of small volume.But the thickness of the stator due to being limited Split type electric magnetic brake by volume is smaller, by
Easily there is phenomena such as magnetic circuit saturation in the position of the structure of the groove for needing to set due to structure on nearly stator etc, and magnetic circuit is satisfied
With can weaken electromagnetic force, so as to be impacted to the reliability of brake.In the prior art in order to ensure to be not in office
The phenomenon of portion's magnetic circuit saturation, often through the thickness of increase stator, and the thickness for increasing stator can cause to its volume afterwards
Influence.
The content of the invention
In view of this, an object of the present invention be to provide it is a kind of can prevent localized magnetic circuit saturation cause magnetic force weaken
Brake stator structure and the electromagnetic brake for including it.
First aspect, there is provided a kind of brake stator structure, be arranged in electromagnetic brake, the stator structure includes phase
To the first face and the second face of setting, formed with escape groove on first face, formed with mounting groove on second face,
Wherein, the escape groove is used to form avoiding space on first face, avoids the brake stator structure and the electricity
Moving component on magnetic brake rubs, and the mounting groove is used for the coil for installing the electromagnetic brake,
The position of the escape groove is being provided with lug boss on the cell wall of the mounting groove, the lug boss is used to increase
Magnetic field caused by the coil is added to pass through the magnetic path width of the part between the escape groove and the mounting groove.
Preferably, the lug boss is formed from the cell wall of the mounting groove to the inside extension protrusion of the mounting groove.
Preferably, the mounting groove is annular groove, and the lug boss upwardly extends in whole week the mounting groove.
Preferably, the lug boss is internally formed annular surface or annular step tread in the mounting groove.
Second aspect, there is provided a kind of electromagnetic brake, including above-mentioned brake stator structure.
Preferably, the electromagnetic brake also includes housing and end cap, and the brake stator structure setting is at the end
Cover and be located in the cavity that the housing is formed with the end cap.
Preferably, bearing is additionally provided with the end cap, the escape groove avoids to the inner ring of the bearing.
Preferably, the brake stator structure is integrally formed with the end cap.
Preferably, armature and barrier structure, the barrier structure and the brake stator are additionally provided with the housing
There is the position for being arranged far from the end cap with gap, the armature, which is movably disposed at the brake, to be determined between structure
Between minor structure and the barrier structure.
Preferably, friction plate is provided with the barrier structure, the armature has first abutted with the friction plate
Position and the second place separated with the friction plate.
Preferably, the friction plate is connected on the stop part by bonding and/or connector；Or
The friction plate is structure as a whole with the stop part.
Preferably, biasing member, the biasing are provided between the second face of the brake stator structure and the armature
Part is used to provide the bias force for make it that the armature moves to the first position.
Preferably, lead is provided with the second face of the brake stator structure, the lead is to the armature
Motion be oriented to.
Brake stator structure provided by the invention, by setting lug boss to increase magnetic circuit between escape groove and mounting groove
Width, avoid occurring magnetic circuit saturated phenomenon in the position and influenceing magnetic force.Also, because the setting of lug boss can make brake
The thickness of stator structure is smaller.
Brief description of the drawings
By the description to the embodiment of the present invention referring to the drawings, above-mentioned and other purpose of the invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the structural representation of electromagnetic brake provided by the invention；
Fig. 2 shows the schematic cross-section of electromagnetic brake；
Fig. 3 shows brake stator structural representation in one embodiment；
Fig. 4 shows brake stator structural representation in another embodiment.
Embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Ability
Domain it is to be appreciated by one skilled in the art that provided herein accompanying drawing be provided to explanation purpose, and accompanying drawing be not necessarily by than
What example was drawn.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with the " comprising " in claims, "comprising" etc.
Word should be construed to the implication included rather than exclusive or exhaustive implication；That is, it is containing for " including but is not limited to "
Justice.
In the description of the invention, it is to be understood that term " first ", " second " etc. are only used for describing purpose, without
It is understood that to indicate or implying relative importance.In addition, in the description of the invention, unless otherwise indicated, the implication of " multiple "
It is two or more.
Brake stator structure provided by the invention is used in electromagnetic brake, is particularly suitable for Split electromagnetic system
In dynamic device, it can avoid phenomena such as magnetic circuit saturation occur caused by being limited due to size.
As shown in Figure 1, 2, electromagnetic brake includes housing 10, end cap 20 and brakes, and the brakes is arranged on
The housing 10 is closed in the housing 10 and by the end cap 20, the electromagnetic brake can be integral type electromagnetism
Brake or Split type electric magnetic brake, it is introduced by taking Split type electric magnetic brake as an example in the application.
The brakes includes brake stator structure 100, armature 200, barrier structure 300, friction plate 400 and bearing
500, the brake stator structure 100, armature 200, barrier structure 300 and friction plate 400 are arranged in the housing 10, institute
State brake stator structure 100 to be arranged on the end cap 20, the barrier structure 300 is arranged far from the position of the end cap 20
Put, the friction plate 400 is arranged on the barrier structure 300, and the armature 200, which is movably disposed at the brake, to be determined
Between minor structure 100 and the barrier structure 300, and can by it is mobile make its contacted with the friction plate 400 or with it is described
Friction plate 400 separates.
Bearing block is provided with the end cap 20, the bearing 500 is arranged in the bearing block, the brake stator
Structure 100 is arranged on the end cap, and axis hole 101 is provided with the brake stator structure 100, the axis hole 101
It is oppositely arranged with the inner ring of the bearing 500, also, the diameter of the axis hole 101 is more than the interior of the inner ring of the bearing 500
Footpath.The electromagnetic brake is arranged on rotating mechanism (such as motor), and the rotary shaft of the rotating mechanism passes through the braking
The axis hole 101 on device stator structure 100 is connected with the bearing 500, between the inwall of axis hole 101 and the rotary shaft
Gap be present, the inner ring of the bearing 500 is rotated with the rotary shaft, the brake stator structure 100 will not with it is described
Rotary shaft rotates.It is described to keep away formed with escape groove 102 on the face that the brake stator structure 100 connects with the end cap 20
Groove 102 is allowed to be less than the bearing 500 around the annular groove circumferentially formed of the axis hole 101, the external diameter of the escape groove 102
The external diameter of outer ring, more than the external diameter of the inner ring of bearing 500, ensure the inner ring of the bearing 500 as the rotary shaft rotates
Shi Buhui contacts with the brake stator structure 100.Preferably, the brake stator structure 100 and the end cap 20 1
Body is formed, such as can be integrally formed by way of casting.
The brake stator structure 100 is provided with mounting groove 103, the mounting groove on the face away from the end cap 20
103 annular groove to be formed in the brake stator structure 100, the mounting groove 103 are used to install coil 110, preferably
Ground, insulation protection is set between the coil 110 and the mounting groove 103, makes the coil 110 and the brake stator
Insulated between structure 100, such as can be by setting the modes such as insulating materials to realize that insulation is protected on the inwall of mounting groove 103
Shield.Further, the coil 110 is fixedly installed in the mounting groove 103, avoids the coil 110 from loosening or even depart from
The mounting groove 103.Preferably, handled after the coil 110 is placed into the mounting groove 103 using epoxy resin encapsulated
The coil 110 is fixed in the mounting groove 103.The coil 110 produces magnetic field after being powered, make the armature 200 to
Moved close to the direction of the brake stator structure 100, the armature 200 separates with the friction plate 400.Preferably, institute
It is 0.15mm-0.2mm to state distance when armature 200 separates with the friction plate 400 between the two.
Due to being respectively arranged with the escape groove 102 and the peace on two end faces of the brake stator structure 100
Tankage 103, the thickness meeting of the part brake stator structure 100 between the escape groove 102 and the mounting groove 103
Reduce, and the magnetic circuit in the magnetic field that the energization of the coil 110 is formed can pass through the part.As shown in Figure 3,4, in order to avoid in the portion
Divide the saturation that magnetic circuit is caused because thickness is smaller and reduce magnetic force, lug boss 104 is set in the part, and the lug boss 104 is used
In increasing the thickness between the escape groove 102 and the mounting groove 103, to improve the width of magnetic circuit, avoid causing magnetic circuit to satisfy
With.Because the mounting groove 103 is used to install the coil 110, so the depth of the mounting groove 103 is deeper, the projection
Portion 104 is formed in the inside of the mounting groove 103, i.e., described lug boss 104 is from the cell wall of the mounting groove 103 to the installation
Protrude to be formed in the inside of groove 103.Preferably, the lug boss 104 by the mounting groove 103 radially inner side side wall and bottom wall
Formed to the internal protrusion of mounting groove 103, whole circumferentially extending of the lug boss 104 along the mounting groove 103 is formed
And form the structure such as annular surface or annular step tread in the inner side of mounting groove 103.Further, the lug boss 104 by
A part for the close bottom wall of the side wall of the radially inner side of the mounting groove 103 and the bottom wall are inside close to the footpath
A part for the side wall of side is formed to the internal protrusion of mounting groove 103.Due to be provided with the lug boss 104 ensure that it is described
The width of each section of magnetic circuit is wider, so the brake stator structure 100 can not change the situation of thickness
Under, ensure its magnetic circuit will not saturation, allow the size of the brake stator 200 smaller.And due to the lug boss 104
Only formed from the local of the cell wall of mounting groove 103 to its internal protrusion, only have impact on the mounting groove 103 close to the radial direction
The depth of inner wall section, the installation on the coil 110 influence smaller.
End of the brake stator structure 100 away from the end cap 20 is additionally provided with the first mounting hole and the second installation
Hole, first mounting hole and the second mounting hole are blind hole.First mounting hole is used to install lead 120, described to lead
Motion to post 120 to the armature 200 is oriented to and (introduced in detail below).Preferably, the lead 120 is provided with more
Individual, multiple leads 120 are perfectly even distributed.Second mounting hole is used to install biasing member 130, the biasing member
130 pairs of armature 200 provide bias forces, when the coil 110 powers off, the biasing member 130 make the armature 200 to by
The direction of the nearly barrier structure 300 is mobile and is pressed on the friction plate 400.The biasing member 130 is preferably provided with more
Individual, the even circumferential distribution of concentric circles of multiple biasing members 130 along the axis hole 101, the biasing member 130 is preferably set
It is equipped with 7.Preferably, the biasing member 130 is compression spring.
Skidway hole, the skidway hole and the lead in the brake stator structure 100 are provided with the armature 200
120 coordinate, and the skidway hole set is attached on the lead 120, and relative can slide.Preferably, the armature 200 is with leaning on
The side of the nearly barrier structure 300 is mat surface, to increase when the barrier structure 300 contacts with the friction plate 400
Frictional force, such as the armature can be improved by forming online article or getting the modes such as processing ready on the end face of the armature 200
The roughness on 200 surfaces.
The barrier structure 300 includes connecting portion 310 and stop part 320, and the connecting portion 310 is tubular structure, described
Stop part 320 is platy structure, and the center of the platy structure is provided with hole corresponding with the outer wall of the tubular structure,
The outer wall of the tubular structure is connected to form the barrier structure 300, the connection with the edge in the hole on the platy structure
310 sets of portion is attached in the rotary shaft of the rotating mechanism, is provided with the connecting portion 310 for fixing with the rotary shaft
Structure, such as radially direction sets screw hole on the connecting portion 310, and the connecting portion is connected by holding screw
310 with the rotary shaft, the barrier structure 300 is rotated together with the rotary shaft.The friction plate 400, which is fixed, to be connected
The stop part 320 is connected to close to the side of the brake stator structure 100.Preferably, the friction plate 400 passes through bonding
Or connector is fixedly attached on the stop part 320.
Brake stator provided by the invention is by setting lug boss, in the situation for the thickness for not increasing brake stator
Under, the width of localized magnetic circuit can be increased, avoid weakening magnetic force in the locally phenomenon of generation magnetic circuit saturation.Both it ensure that magnetic
The intensity of power, and can enough ensure that the thickness of brake stator is smaller.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is only illustrative, and not restrictive, without departing from the basic of the present invention
In the case of principle, those skilled in the art can be directed to the various obvious or equivalent modification made of above-mentioned details or replace
Change, be all included in scope of the presently claimed invention.
Claims (13)
1. a kind of brake stator structure, is arranged in electromagnetic brake, it is characterised in that the stator structure includes relative set
The first face and the second face put, formed with escape groove on first face, formed with mounting groove on second face, its
In, the escape groove is used to form avoiding space on first face, avoids the brake stator structure and the electromagnetism
Moving component on brake rubs, and the mounting groove is used for the coil for installing the electromagnetic brake,
The position of the escape groove is being provided with lug boss on the cell wall of the mounting groove, the lug boss is used to increase institute
State magnetic path width of the magnetic field caused by coil by the part between the escape groove and the mounting groove.
2. brake stator structure according to claim 1, it is characterised in that the lug boss by the mounting groove groove
Wall is formed to the inside extension protrusion of the mounting groove.
3. brake stator structure according to claim 1, it is characterised in that the mounting groove is annular groove, described convex
Play portion's upwardly extending in whole week in the mounting groove.
4. brake stator structure according to claim 1, it is characterised in that the lug boss is inside the mounting groove
Form annular surface or annular step tread.
5. a kind of electromagnetic brake, it is characterised in that including the brake stator structure described in one of claim 1-4.
6. electromagnetic brake according to claim 5, it is characterised in that the electromagnetic brake also includes housing and end
Lid, the brake stator structure setting is on the end cap and in the cavity that the housing is formed with the end cap.
7. electromagnetic brake according to claim 6, it is characterised in that bearing is additionally provided with the end cap, it is described to keep away
Groove is allowed to avoid the inner ring of the bearing.
8. electromagnetic brake according to claim 6, it is characterised in that the brake stator structure and the end cap one
Body is formed.
9. electromagnetic brake according to claim 6, it is characterised in that be additionally provided with armature and blocking junction in the housing
Structure, there is the position for being arranged far from the end cap with gap, institute between the barrier structure and the brake stator structure
Armature is stated to be movably disposed between the brake stator structure and the barrier structure.
10. electromagnetic brake according to claim 9, it is characterised in that friction plate, institute are provided with the barrier structure
Stating armature has the first position abutted with the friction plate and the second place separated with the friction plate.
11. electromagnetic brake according to claim 10, it is characterised in that the friction plate is by being bonded and/or connecting
Part is connected on the stop part；Or
The friction plate is structure as a whole with the stop part.
12. electromagnetic brake according to claim 10, it is characterised in that the second face of the brake stator structure with
It is provided with biasing member between the armature, the biasing member is used to provide that make it that the armature moves to the first position inclined
Put power.
13. electromagnetic brake according to claim 12, it is characterised in that on the second face of the brake stator structure
Lead is provided with, motion of the lead to the armature is oriented to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711320984.1A CN107859703A (en) | 2017-12-12 | 2017-12-12 | Brake stator structure and the electromagnetic brake for including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711320984.1A CN107859703A (en) | 2017-12-12 | 2017-12-12 | Brake stator structure and the electromagnetic brake for including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107859703A true CN107859703A (en) | 2018-03-30 |
Family
ID=61706221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711320984.1A Pending CN107859703A (en) | 2017-12-12 | 2017-12-12 | Brake stator structure and the electromagnetic brake for including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859703A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193979A (en) * | 2018-10-10 | 2019-01-11 | 珠海格力电器股份有限公司 | Brake abnormal shape stator mechanism and brake |
| WO2023173731A1 (en) * | 2022-03-14 | 2023-09-21 | 奥创动力传动(深圳)有限公司 | Electromagnetic attraction assembly and brake |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5620065A (en) * | 1994-08-01 | 1997-04-15 | Rexnord Corporation | Spring set brake |
| CN1615568A (en) * | 2001-11-23 | 2005-05-11 | 戴维·卡利 | Electrical machine |
| CN103440952A (en) * | 2013-09-16 | 2013-12-11 | 沈阳优力机电设备有限公司 | Coil framework and electromagnetic brake with coil framework |
| CN107013615A (en) * | 2017-04-24 | 2017-08-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake and the motor with it |
| CN207661028U (en) * | 2017-12-12 | 2018-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake stator structure and electromagnetic brake including it |
-
2017
- 2017-12-12 CN CN201711320984.1A patent/CN107859703A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5620065A (en) * | 1994-08-01 | 1997-04-15 | Rexnord Corporation | Spring set brake |
| CN1615568A (en) * | 2001-11-23 | 2005-05-11 | 戴维·卡利 | Electrical machine |
| CN103440952A (en) * | 2013-09-16 | 2013-12-11 | 沈阳优力机电设备有限公司 | Coil framework and electromagnetic brake with coil framework |
| CN107013615A (en) * | 2017-04-24 | 2017-08-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake and the motor with it |
| CN207661028U (en) * | 2017-12-12 | 2018-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake stator structure and electromagnetic brake including it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193979A (en) * | 2018-10-10 | 2019-01-11 | 珠海格力电器股份有限公司 | Brake abnormal shape stator mechanism and brake |
| WO2023173731A1 (en) * | 2022-03-14 | 2023-09-21 | 奥创动力传动(深圳)有限公司 | Electromagnetic attraction assembly and brake |
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