CN102562880B - Linear braking device for vehicles - Google Patents
Linear braking device for vehicles Download PDFInfo
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- CN102562880B CN102562880B CN201010614722.8A CN201010614722A CN102562880B CN 102562880 B CN102562880 B CN 102562880B CN 201010614722 A CN201010614722 A CN 201010614722A CN 102562880 B CN102562880 B CN 102562880B
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- actuating device
- pipe fitting
- linear actuating
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Abstract
The invention relates to a linear actuating device for vehicles, which comprises a stator unit and a rotor unit. The stator unit comprises an insulation sleeve pipeline made of nonmetal materials and winding on an axis and a plurality of coils arranged at intervals and sleeved on the insulation sleeve pipeline. The rotor unit comprises a moving rod penetrating through the insulation sleeve pipeline and moving relative to the insulation sleeve pipeline along the axis and a plurality of magnets arranged at intervals along the extending direction of the axis and sleeved on the moving rod. The coils are directly wound on the periphery of the rotor unit, the moving rod can be smoothly driven through the arranged nonmetal insulation sleeve pipeline, and therefore the linear braking device for vehicles is simple in structure and easy to install, can reduce materials so as to reduce cost, and leads output force to be smoother.
Description
Technical field
The present invention relates to a kind of linear actuating device, particularly relate to a kind of automobile-used linear actuating device.
Background technique
Existing a kind of automobile-used actuator, as be applied to the electric auxiliary steering system of a steering wheel, comprise an electric motor, a reducing gear that connects this electric motor, an and switching mechanism that connects this reducing gear, this electric motor is in order to provide auxiliary power, and there is a rotatingshaft, a plurality of magnet that is arranged at this rotatingshaft, one around this rotatingshaft and described magnet and have the stator unit of a plurality of stator tooth parts, and a plurality of coils that are surrounded between described stator tooth part, this reducing gear has belt and belt pulley so that the function of exerting oneself and amplifying to be provided, this switching mechanism is in order to provide the function that turns translation, and there is a driving screw, ball, ball nut, an and steering rack, during use, after respectively described coil sequentially being switched on, just can produce respectively corresponding magnetic field, now this stator unit can form the magnetic pole of the energising direction of corresponding described coil in the position of corresponding described coil respectively, and described magnetic pole can produce respectively the effect of repelling each other or inhaling mutually with the described magnet that is positioned at this rotatingshaft respectively, and then drive this rotatingshaft to rotate, and amplify ouput force by this reducing gear, via this switching mechanism, the stroke of rotation is converted to mobile stroke again, and then this steering rack of interlock, whereby, just can in the mode of described coil, reach the beneficial effect that this steering rack of control moves by applying different energising directions, and then produce linear auxiliary force on steering rack, and reach the object of assisted diversion.
Yet this automobile-used actuator has that number of elements is many, complex structure, cost is high, assembly program is loaded down with trivial details and processing such as is difficult at the shortcoming, and in addition, described stator tooth part easily produces moment ripple after electric drive, and easily cause the exert oneself phenomenon of irregularity of steering rack.
As can be seen here, above-mentioned existing automobile-used actuator, in structure and use, obviously still has inconvenience and defect, and is urgently further improved.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but have no for a long time applicable design always, by development, completed, and common product does not have appropriate structure to address the above problem, this is obviously the problem that the anxious wish of relevant dealer solves.Therefore how to found a kind of automobile-used linear actuating device of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The object of the invention is to, overcome the defect that existing automobile-used actuator exists, and provide a kind of automobile-used linear actuating device of new structure, technical problem to be solved be it is reduced costs, structure is simplified, output shaft is to exerting oneself, and more smooth-going while making force production, be very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of automobile-used linear actuating device proposing according to the present invention, be applied to an automotive system that comprises an axle part, this automobile-used linear actuating device comprises a stator unit and a mover unit, this stator unit comprises that a material is nonmetal and around the insulating bush pipe fitting of an axis, a plurality of bearing of trend intervals along this axis arrange the coil that is sheathed on this insulating bush pipe fitting, and the housing module of accommodating this insulating bush pipe fitting and described coil, this mover unit comprises that one is arranged in this insulating bush pipe fitting and along this axis, relative to this insulating bush pipe fitting, moves and connect the movement rod of this axle part, and a plurality of bearing of trend intervals along this axis arrange the magnet that is sheathed on this movement rod.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid automobile-used linear actuating device, this insulating bush pipe fitting has one around the ring wall of this axis, and a plurality of bearing of trend along this axis is arranged at intervals at the outer surface of this ring wall with the accommodating annular groove of accommodating described coil.
Preferably, aforesaid automobile-used linear actuating device, this insulating bush pipe fitting also has the outer axle bush that two bearing of trends along this axis are arranged at two end opposite of this ring wall, and this mover unit also comprises that at least one inner side that is positioned at described outer axle bush is to connect the internal axle sleeve pipe of corresponding described magnet.
Preferably, aforesaid automobile-used linear actuating device, this movement rod has an electromagnetic driven portion that the described magnet of confession is sheathed, and a plurality of bearing of trend along this axis is arranged at intervals at the outer surface of this electromagnetic driven portion with the magnet mounting groove of accommodating described magnet.
Preferably, aforesaid automobile-used linear actuating device, each magnet is to be combined into ring-type and to be sheathed on this movement rod by a plurality of small magnets.
Preferably, aforesaid automobile-used linear actuating device, each magnet is to be combined into ring-type and to be sheathed on this movement rod by a plurality of small magnets.
Preferably, aforesaid automobile-used linear actuating device, this mover unit also comprises that at least one bearing of trend along this axis is arranged at the internal axle sleeve pipe of this movement rod.
Preferably, aforesaid automobile-used linear actuating device, this movement rod also has mechanism's fixing part of contrary this electromagnetic driven portion, and a plurality of helical teeth that is positioned at this mechanism's fixing part.
The present invention compared with prior art has obvious advantage and beneficial effect.As known from the above, for achieving the above object, the invention provides a kind of automobile-used linear actuating device, be applied to an automotive system that comprises an axle part, this automobile-used linear actuating device comprises a stator unit, and a mover unit.
This stator unit comprises that a material is nonmetal and around the insulating bush pipe fitting of an axis, a plurality of bearing of trend interval along this axis, the coil that is sheathed on this insulating bush pipe fitting is set, and the housing module of accommodating this insulating bush pipe fitting and described coil, this mover unit comprises that one is arranged in this insulating bush pipe fitting and along this axis, relative to this insulating bush pipe fitting, moves and connect the movement rod of this axle part, and a plurality of bearing of trend interval along this axis arranges the magnet that is sheathed on this movement rod.
By technique scheme, the present invention at least has following advantages and beneficial effect:
By described coil, be directly surrounded on the periphery of this mover unit, and by after the arranging of nonmetallic this insulating bush pipe fitting, can drive smoothly this movement rod, not only simple in structure, install easily, can also reduce material to reduce costs, and without the structural design of stator tooth part, can also make this movement rod can be subject to smooth-going axially exerting oneself, and strength while making to export is more smooth-going.
In sum, a kind of automobile-used linear actuating device of the present invention, comprises a stator unit and a mover unit, is directly surrounded on the periphery of this mover unit by described coil, and see through after the arranging of nonmetallic this insulating bush pipe fitting, can drive smoothly this movement rod.The present invention is a significant progress in technology, and has obvious good effect, is really a new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the three-dimensional combination figure of a preferred embodiment of the automobile-used linear actuating device of the present invention.
Fig. 2 is the three-dimensional exploded view of this preferred embodiment.
Fig. 3 is the sectional view of this preferred embodiment.
Fig. 4 is the front view of an insulating bush pipe fitting of this preferred embodiment.
Fig. 5 is the top view of a movement rod of this preferred embodiment.
Fig. 6 is the use schematic diagram that this preferred embodiment is applied to a motorcar electric assist steering system.
Fig. 7 is the use schematic diagram that this preferred embodiment is applied to an automobile brake assembly.
Embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of automobile-used linear actuating device, structure, feature and effect thereof to proposing according to the present invention, be described in detail as follows.
Below in conjunction with drawings and Examples, the present invention is described in detail:
Consult Fig. 1, Fig. 2 and Fig. 6, this preferred embodiment of the automobile-used linear actuating device of the present invention is to be applied to a motorcar electric assist steering system 5, this motorcar electric assist steering system 5 comprises a steering wheel 51, one connect this steering wheel 51 turn to column 52, a middle continuous motion stem 53 that connects and turn to column 52 to rotate with this, a pinion member (not shown) that is installed on this centre continuous motion stem 53, two axle parts 54 that move along an axis L with the rotation of this pinion member (being exactly the drag link being commonly called as), a torsion sensor 55 that is connected in this centre continuous motion stem 53, an and electronic control unit 56 (ECU) that is electrically connected to this torsion sensor 55 and this automobile-used linear actuating device, this automobile-used linear actuating device comprises a stator unit 3, an and mover unit 4.
Consult Fig. 2, Fig. 3 and Fig. 6, this stator unit 3 comprises that a material is nonmetal and around the insulating bush pipe fitting 31 of this axis L, a plurality of bearing of trend intervals along this axis L arrange the coil 32 that is sheathed on this insulating bush pipe fitting 31, an and housing module 33, this housing module 33 comprises the housing section 331 of accommodating this insulating bush pipe fitting 31 and described coil 32, and mechanism's fixing part 332 that this housing section 331 of connection is installed for this motorcar electric assist steering system 5, this mechanism's fixing part 332 has a small gear mounting hole 333 that this pinion member of confession is accommodating.In the present embodiment, the material of this insulating bush pipe fitting 31 is nylon.
Consult Fig. 2, Fig. 3 and Fig. 4, this insulating bush pipe fitting 31 has the outer axle bush 312 that a ring wall 311 around this axis L, two bearing of trends along this axis L are arranged at two end opposite of this ring wall 311, and a plurality of bearing of trends along this axis L are arranged at intervals at the outer surface of this ring wall 311 with the accommodating annular groove 314 of accommodating described coil 32, described accommodating annular groove 314 distance has to each other determined the variation tendency of coil magnetic field, thereby can plan required spacing depending on demand.
Each coil 32 has a first end 321 and second end 322 of inputting for electric power respectively.In the present embodiment, described coil 32 is input electric powers by the driving of this electronic control unit 56.
Consult Fig. 2, Fig. 3 and Fig. 5, this mover unit 4 comprise one be arranged in this insulating bush pipe fitting 31 and along this axis L relative to this insulating bush pipe fitting 31 move and connect the movement rod 41 of the described axle part 54 of this motorcar electric assist steering system 5, a plurality of bearing of trend interval along this axis L arranges the magnet 42 that is sheathed on this movement rod 41, and two bearing of trends along this axis L are arranged at the internal axle sleeve pipe 43 of 312, this movement rod 41 and described outer axle bush.In the present embodiment, the described magnet 42 of part be coated by described internal axle sleeve pipe 43, and is subject to the support of described internal axle sleeve pipe 43 and makes air gaps corresponding to 32 of described magnet 42 and described coils generation.Be noted that, the magnetic pole of one side of adjacent this insulating bush pipe fitting 31 of described magnet 42 can be with the N utmost point and the S utmost point, to hand over the mode of arranging mutually to arrange according to putting in order, each magnet 42, except being integrated the form of ring-type, can be to be also combined into ring-type and to be sheathed on this movement rod 41 by a plurality of small magnets.
Consult Fig. 3, Fig. 5 and Fig. 6, this movement rod 41 has the sheathed electromagnetic driven portion of described magnet 42 of confession 411, contrary this electromagnetic driven portion 411 and is arranged at intervals at the outer surface of this electromagnetic driven portion 411 with the magnet mounting groove 413 of accommodating described magnet 42 for mechanism's fixing part 412, a plurality of bearing of trend along this axis L that the pinion member of this motorcar electric assist steering system 5 connects, and a plurality of this mechanism's fixing part 412 that is positioned at is to connect the helical teeth 414 of the pinion member of this motorcar electric assist steering system 5 of engagement.In the present embodiment, this movement rod 41 is formed in one and makes with described axle part 54, but can be also that two kinds of separated assemblies assemble mutually.
Consult Fig. 2, Fig. 3 and Fig. 6, when this steering wheel 51 is rotated and this torsion sensor 55 senses after torsion, this electronic control unit 56 is inputted positive voltage or negative voltages from the first end 321 of each coil 32 respectively, and after the second end 322 inputs different negative voltage or positive voltage, just can be in corresponding coil 32 generation magnetic fields, place, this magnetic field just can produce the behavior of inhaling mutually or repelling each other to adjacent magnet 42, and then this movement rod 41 of interlock moves, after the step mode of the pole arrangement order of the described magnet 42 good by programming and corresponding described coil 32, the corresponding movement of this movement rod 41 generation is controlled in axially exerting oneself of just can producing with magnetic force, coordinate again after this motorcar electric assist steering system 5, just can reach in electronic mode and produce auxiliary force and make the effect of motor turning.
Consult Fig. 7, for this preferred embodiment is applied to the use schematic diagram of an automobile brake assembly 6, this automobile brake assembly 6 comprises a piston shell 61, be placed in the first piston 62 being sequentially connected in series in this piston shell 61 and along this axis L, first spring 63, second piston 64 and second spring 65, be positioned at first oil outlet 66 and second oil outlet 67 that this piston shell 61 and corresponding this first spring 66 of difference and this second spring 67 arrange, a brake lubricating cup 68 that connects this piston shell 61, an axle part 69 that connects this first piston 62 and this movement rod 41, an and brake pedal mechanism 70 that connects this axle part 69.In this enforcement aspect, this moving part 41 is formed in one and makes with this axle part 69, but can be also that two kinds of separated assemblies assemble mutually.
After Dang Gai brake pedal mechanism 70 is trampled, can drive this movement rod 41 to move along this axis L by a control module (not shown), and this axle part 69 of interlock, this first piston 62 move, then compressing this second piston 64 of the rear promotion of this first spring 63 moves, finally compress this second spring 65, the oil being now squeezed can be inputted brake mechanism (not shown) and produce brake from this first oil outlet 66 and this second oil outlet 67, and now this automobile-used linear shifter also can reach the beneficial effect of auxiliary brake.
It is worth mentioning that, the present invention is applied to the vehicle overhung construction of vehicle or other mechanisms that need to axially exert oneself, is connected in after suitable axle part 54, and can reaches same beneficial effect by this movement rod 41.
In sum, by described coil 32, be directly surrounded on the periphery of this mover unit 4, and by the setting of nonmetallic this insulating bush pipe fitting 31, and suitably plan behind the position of described coil 32, can drive smoothly this movement rod 41 to move, produce and axially exert oneself, and axle part 54 described in interlock, 69 move, compared to existing automobile-used linear actuating device, not only simple in structure, install easily, can also reduce material to reduce costs, and the structural design without stator tooth part, make this movement rod 41 can be subject to smooth-going axially exerting oneself, and it is more smooth-going to make to exert oneself, so really can reach object of the present invention.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. an automobile-used linear actuating device, be applied to an automotive system that comprises an axle part, it is characterized in that: this automobile-used linear actuating device comprises a stator unit and a mover unit, this stator unit comprises that a material is nonmetal and around the insulating bush pipe fitting of an axis, a plurality of bearing of trend intervals along this axis arrange the coil that is sheathed on this insulating bush pipe fitting, and the housing module of accommodating this insulating bush pipe fitting and described coil, this insulating bush pipe fitting has one around the ring wall of this axis, and two bearing of trends along this axis are arranged at the outer axle bush of two end opposite of this ring wall, this mover unit comprises that one is arranged in this insulating bush pipe fitting and along this axis, relative to this insulating bush pipe fitting, moves and connect the movement rod of this axle part, a plurality of bearing of trend intervals along this axis arrange the magnet that is sheathed on this movement rod, and at least one inner side that is positioned at described outer axle bush is to connect and the internal axle sleeve pipe of the described magnet that covered section is corresponding.
2. automobile-used linear actuating device as claimed in claim 1, is characterized in that: this insulating bush pipe fitting also has a plurality of bearing of trends along this axis and is arranged at intervals at the outer surface of this ring wall with the accommodating annular groove of accommodating described coil.
3. automobile-used linear actuating device as claimed in claim 1, it is characterized in that: this movement rod has an electromagnetic driven portion that the described magnet of confession is sheathed, and a plurality of bearing of trend along this axis is arranged at intervals at the outer surface of this electromagnetic driven portion with the magnet mounting groove of accommodating described magnet.
4. automobile-used linear actuating device as claimed in claim 1, is characterized in that: each magnet is to be combined into ring-type and to be sheathed on this movement rod by a plurality of small magnets.
5. automobile-used linear actuating device as claimed in claim 3, is characterized in that: each magnet is to be combined into ring-type and to be sheathed on this movement rod by a plurality of small magnets.
6. automobile-used linear actuating device as claimed in claim 3, is characterized in that: this movement rod also has mechanism's fixing part of contrary this electromagnetic driven portion, and a plurality of helical teeth that is positioned at this mechanism's fixing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010614722.8A CN102562880B (en) | 2010-12-30 | 2010-12-30 | Linear braking device for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010614722.8A CN102562880B (en) | 2010-12-30 | 2010-12-30 | Linear braking device for vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562880A CN102562880A (en) | 2012-07-11 |
| CN102562880B true CN102562880B (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010614722.8A Active CN102562880B (en) | 2010-12-30 | 2010-12-30 | Linear braking device for vehicles |
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| CN (1) | CN102562880B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184354B (en) * | 2016-07-27 | 2018-04-03 | 重庆长安汽车股份有限公司 | A kind of electric direction converter of vehicle |
| CN108757771B (en) * | 2018-05-29 | 2021-01-15 | 江苏工程职业技术学院 | Braking device for new energy automobile |
| CN109780092B (en) * | 2019-03-08 | 2020-04-10 | 武汉万至达智能科技有限公司 | Miniature brake capable of being used on low-voltage servo motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154876A (en) * | 2006-09-28 | 2008-04-02 | 村田机械株式会社 | Linear motor device and machine tool having the same mounted thereon |
| CN101310429A (en) * | 2005-09-21 | 2008-11-19 | 里卡多Uk有限公司 | Linear actuator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4388203B2 (en) * | 2000-05-23 | 2009-12-24 | ミネベア株式会社 | Combined electromagnetic actuator device |
| JP2006187079A (en) * | 2004-12-27 | 2006-07-13 | Hitachi Ltd | Cylindrical linear motor, electromagnetic suspension and vehicle employing it |
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2010
- 2010-12-30 CN CN201010614722.8A patent/CN102562880B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310429A (en) * | 2005-09-21 | 2008-11-19 | 里卡多Uk有限公司 | Linear actuator |
| CN101154876A (en) * | 2006-09-28 | 2008-04-02 | 村田机械株式会社 | Linear motor device and machine tool having the same mounted thereon |
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| CN102562880A (en) | 2012-07-11 |
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