CN107605847A - The gas spring device of linear electric motors driving - Google Patents
The gas spring device of linear electric motors driving Download PDFInfo
- Publication number
- CN107605847A CN107605847A CN201710664973.9A CN201710664973A CN107605847A CN 107605847 A CN107605847 A CN 107605847A CN 201710664973 A CN201710664973 A CN 201710664973A CN 107605847 A CN107605847 A CN 107605847A
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- China
- Prior art keywords
- cylinder jacket
- connecting rod
- gas spring
- electric motors
- spring device
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Abstract
The invention discloses a kind of gas spring device of linear electric motors driving, cylinder jacket including one end open, the connecting rod for coordinating and using non-magnet material to manufacture with its gap is provided with cylinder jacket, one end extension of connecting rod is stretched out outside the opening of cylinder jacket, and it is provided with central through hole in connecting rod, and central through hole inner sleeve is equiped with magnetic force unit, magnetic force unit includes spaced magnet and magnetic conductor；One end that connecting rod is located in cylinder jacket is fixedly connected with the piston being provided with, and one end that connecting rod is stretched out outside cylinder jacket is provided with the tail-hood for being used for being fixed magnetic force unit, and piston is slidably matched with cylinder jacket；It is fixed with the iron core being sleeved on outside connecting rod in cylinder jacket, is provided with armature coil in iron core, and iron core is matched somebody with somebody to merge air gap is formed between iron core and connecting rod with connecting rod gap.The gas spring device of the linear electric motors driving of the present invention, using Integration Design thought, there are simple and compact for structure, small volume, fast response time, kinematic accuracy height, the small, low noise advantages of friction.
Description
Technical field
The invention belongs to spring technical field, is specifically related to a kind of gas spring device of linear electric motors driving.
Background technology
Gas spring is that a kind of industry that can play the functions such as support, buffering, braking, height regulation and angular adjustment is matched somebody with somebody
Part.Suffer from widely applying in fields such as automobile, aviation, medicine equipment, furniture and machine-building.In partial automobile, engineering
In mechanical, Weaving device advanced application, it is desirable to which gas spring can realize automatic telescopic by automatically controlled, solve different application occasion
Automatically control problem.
Electric drive strut common at present is broadly divided into two classes：One kind is to coordinate motor using steel coil springs, slow down
The structure of device, leading screw, as Publication No. CN101967930A Chinese patent application discloses a kind of automobile power back door driving
Mechanism, subject matter are that the support force of steel coil springs is directly proportional with decrement, and support force is unstable and is difficult to adjust.Separately
A kind of is to coordinate motor, decelerator, the structure of leading screw using gas spring, such as Publication No. CN105952706A Chinese patent Shen
A kind of intelligent electric drive cylinder device please be disclose, this kind of gas spring compares first kind normal spiral spring, and speed is relatively slow
Slowly, dynamic force change is little（Typically within 1 ~ 1.2）, in the range of longer stroke supporting force keep substantially inconvenience, easily control
System；But the use environment space of gas spring is extremely limited, therefore it is required that its small volume, makees according to motor, decelerator, leading screw
It for drive mechanism, then can cause that gas spring device is complicated, volume is big, the requirement of space utilization can not be met, if subtracting by force
Small size, difficult, manufacturing cost height is not only realized, and motor, reductor damage are easily caused in the case of bearing capacity is larger.
In view of the good characteristic of gas spring, and automatically control demand, Publication No. CN in practical application
202012264U Chinese patent discloses a kind of electric drive mechanism for vehicle tail door, including gas spring, the piston of the gas spring
Bulb joint is respectively arranged with the cylinder body of the gas spring of bar overhanging end and the remote overhanging end；Also include linear electric motors, this is straight
The stator of line motor is fixed on the cylinder body of gas spring, and the mover of the linear electric motors and the piston rod of the gas spring are fixedly connected with.
The stator of linear electric motors and mover are directly arranged on the cylinder of common gas spring by the electric drive mechanism for vehicle tail door
On body, for the strong advantage of structure of the linear motion actuator designability can be given full play to, the electric drive mechanism for vehicle tail door is caused to exist
The defects of equipment volume is big, simultaneously as the interference effect of common gas spring, i.e. linear electric motors driving air spring piston bar motion
When, the air pressure meeting respective change of air spring piston rod cavity and rodless cavity, cause the operation of the electric drive mechanism for vehicle tail door simultaneously
It is unstable；To sum up, it is restricted due to the application of these defects, the electric drive mechanism for vehicle tail door be present, on the market simultaneously
Have not seen its specific product.
The content of the invention
In view of this, it is an object of the invention to provide a kind of gas spring device of linear electric motors driving, use are integrated
Design philosophy, there is simple and compact for structure, small volume.
To reach above-mentioned purpose, the present invention provides following technical scheme：
A kind of gas spring device of linear electric motors driving, include the cylinder jacket of one end open, be provided with the cylinder jacket with therebetween
Gap is stretched out outside the opening of the cylinder jacket with the connecting rod merged using non-magnet material manufacture, one end extension of the connecting rod,
And central through hole is provided with the connecting rod, and the central through hole inner sleeve is equiped with magnetic force unit, between the magnetic force unit includes
Every the magnet and magnetic conductor of setting；One end that the connecting rod is located in the cylinder jacket is fixedly connected with the piston being provided with, the company
One end that bar is stretched out outside the cylinder jacket is provided with the tail-hood for being used for being fixed the magnetic force unit, the piston and the gas
Cylinder sleeve is slidably matched；
The iron core being sleeved on outside the connecting rod is fixed with the cylinder jacket, armature coil is provided with the iron core, and it is described
Iron core matches somebody with somebody to merge with the connecting rod gap forms air gap between the iron core and the connecting rod.
Further, the piston is provided with the gas for being used to make the air pressure in the cylinder jacket of its both sides to keep balance
Balance pipe, or the periphery wall of the piston is pressed to be provided with the air pressure holding balance being used to make in the cylinder jacket of its both sides
Air pressure balance groove.
Further, the piston rod guide for being used for supporting the connecting rod is provided with the cylinder jacket, in the piston rod guide
Provided with compression ring and oil ring.
Further, the piston and tail-hood respectively with the connecting rod close fit.
Further, the cylinder jacket overcoat is equiped with the protective cover being slidably matched with it, the protective cover and the connecting rod
Synchronizing moving.
Further, close fit between the protective cover and the cylinder jacket, between the cylinder jacket and the protective cover
A closed gas spring cavity is formed, the gas spring cavity is interior filled with gases at high pressure.
Further, the cylinder jacket includes cylinder jacket main body and the electric machine casing being fixedly set in outside the iron core, described
Airtight connection between cylinder jacket main body and the electric machine casing, and the cylinder jacket main body is coaxial with the electric machine casing and external diameter
It is equal.
Further, one end of the two neighboring magnet identical polar is oppositely arranged.
Further, the armature coil uses 3 or 6 as one group, armature coil Y-connection described in each group.
Further, the position of magnetic pole for detecting the magnetic force unit and control electric current commutation are additionally provided with the cylinder jacket
Hall sensor.
The beneficial effects of the present invention are：
The gas spring device of the linear electric motors driving of the present invention, using Integration Design thought, magnetic force unit is directly integrated and set
Put in connecting rod, and iron core and armature coil be set in cylinder jacket, so can drive link slided in cylinder jacket, realize
The function of gas spring, compared to existing gas spring, there is advantages below：
1）With fast response time, kinematic accuracy is high, rubs the advantages of small, noise is low；
2）By multigroup armature coil parallel form, axial thrust can be increased substantially；
3）Gas spring device dynamic support power is steadily adjustable, and control is simple；
4）Overall structure simple and compact, easy for installation, processing and manufacturing difficulty is low；
5）With miniaturization, lightweight feature, and it can reach larger supporting force；
6）Stroke and the support force of output can be designed according to purposes, be had a wide range of application；
The gas spring device of the linear electric motors driving of the present invention as be used to supporting, lift in various devices, height regulation, angle
The mechanism of the effects such as regulation, the lifting of such as automobile tail gate, the angular adjustment of solar panel, the electric up-down of medical bed can
It is widely used in the fields such as various machinery, furniture, automobile and business automation equipments.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the structural representation of the gas spring device embodiment of linear electric motors of the present invention driving；
Fig. 2 is the structural representation in electric machine casing；
Fig. 3 is the connection line schematic diagram of armature coil Y-connection.
Description of reference numerals：
1- cylinder jacket main bodys；2- pistons；3- connecting rods；4- magnets；5- magnetic conductors；6- tail-hoods；7- iron cores；8- armature coils；9- electricity
Casing body；10- piston rod guides；11- protective covers.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in figure 1, the structural representation of the gas spring device embodiment for linear electric motors of the present invention driving.The present embodiment
Linear electric motors driving gas spring device, include the cylinder jacket of one end open, be provided with cylinder jacket and coordinate and adopt with its gap
The connecting rod 3 manufactured with non-magnet material, one end extension of connecting rod 3 is stretched out outside the opening of cylinder jacket, and is provided with center in connecting rod 3
Through hole, and central through hole inner sleeve is equiped with magnetic force unit, magnetic force unit includes spaced magnet 4 and magnetic conductor 5.Connecting rod 3
One end in cylinder jacket is fixedly connected with the piston 2 being provided with, and one end that connecting rod 3 is stretched out outside cylinder jacket, which is provided with, to be used for magnetic force list
The tail-hood 6 that member is fixed, piston 2 are slidably matched with cylinder jacket.Specifically, as needed, magnet 4 can use permanent magnet and electricity
Magnet.The piston 2 and tail-hood 6 of the present embodiment are respectively with the close fit of connecting rod 3, i.e. piston 2 and tail-hood 6 respectively between connecting rod 3
Provided with sealing ring, for preventing outside air and impurity from entering in connecting rod 3.The piston 2 and tail-hood 6 of the present embodiment are respectively with connecting
Bar 3 is threadedly coupled.
The iron core 7 being sleeved on outside connecting rod 3 is fixed with the cylinder jacket of the present embodiment, armature coil 8 is provided with iron core 7,
And iron core 7 and the gap of connecting rod 3 form air gap with merging between iron core 7 and connecting rod 3.
Specifically, piston 2 is provided with the air pressure balance for being used to make the air pressure in the cylinder jacket of its both sides to keep balance
Hole, or the periphery wall of piston 2 are provided with the air pressure balance groove for being used to make the air pressure in the cylinder jacket of its both sides to keep balance.
The piston 2 of the present embodiment is provided with air equalizer opening.
The piston rod guide 10 for support link 3 is provided with the cylinder jacket of the present embodiment, is provided with piston rod guide 10
Compression ring and oil ring, the piston rod guide 10 of the present embodiment are arranged between iron core 7 and piston 2, can be achieved to the slide-and-guide of connecting rod 3
With spacing effect.Certainly, piston rod guide 10 can also be arranged on iron core 7 backwards to the side of piston 2, now can be by iron core 7
Internal diameter be set smaller than the internal diameter of cylinder jacket and form the position limiting structure for limiting piston 2.
Further, cylinder jacket overcoat is equiped with the protective cover 11 being slidably matched with it, and protective cover 11 is synchronous with connecting rod 3 to be moved
It is dynamic.Close fit between the protective cover 11 and cylinder jacket of the present embodiment, formed between cylinder jacket and protective cover 11 one it is closed
Gas spring cavity, gas spring cavity are interior filled with gases at high pressure.The cylinder jacket of the present embodiment includes cylinder jacket main body 1 and fixed suit
Electric machine casing 9 outside iron core 7, airtight connection between cylinder jacket main body 1 and electric machine casing 9, the cylinder jacket main body 1 of the present embodiment
Be threadedly coupled between electric machine casing 9, cylinder jacket main body 1 is coaxial with electric machine casing 9 and external diameter is equal, i.e., cylinder jacket main body 1 with
The outer peripheral face of electric machine casing 9 is concordant, avoids producing interference between protective cover 11.
Further, one end of the two neighboring identical polar of magnet 4 is oppositely arranged, and armature coil uses 3 or 6 as one
Group, each group of armature coil Y-connection.The armature coil of the present embodiment uses 6 as one group, using multigroup form in parallel
To increase thrust.As shown in Fig. 2 A, B, C, X, Y, Z represent the both ends of armature coil 8 respectively, and using three-phase alternating current as input, figure
Symbol in 3 "”、“" represent that certain corresponds in a flash the sense of current in coil, the electromagnetism of a traveling is generated in space
, driving linear electric motors motion.Certainly, be additionally provided with the cylinder jacket of the present embodiment for detect magnetic force unit position of magnetic pole simultaneously
The Hall sensor of control electric current commutation.
The gas spring device of the linear electric motors driving of the present embodiment, it is using Integration Design thought, magnetic force unit is direct
It is integrally disposed in connecting rod, and iron core and armature coil is set in cylinder jacket, so can drive link cunning in cylinder jacket
It is dynamic, the function of gas spring is realized, compared to existing gas spring, there is advantages below：
1）With fast response time, kinematic accuracy is high, rubs the advantages of small, noise is low；
2）By multigroup armature coil parallel form, axial thrust can be increased substantially；
3）Gas spring device dynamic support power is steadily adjustable, and control is simple；
4）Overall structure simple and compact, easy for installation, processing and manufacturing difficulty is low；
5）With miniaturization, lightweight feature, and it can reach larger supporting force；
6）Stroke and the support force of output can be designed according to purposes, be had a wide range of application；
The gas spring device of the linear electric motors driving of the present embodiment as be used to supporting, lift in various devices, height regulation, angle
The mechanism of the effects such as degree regulation, the lifting of such as automobile tail gate, the angular adjustment of solar panel, the electric up-down of medical bed,
It can be widely applied to the fields such as various machinery, furniture, automobile and business automation equipments.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
- A kind of 1. gas spring device of linear electric motors driving, it is characterised in that：Cylinder jacket including one end open, the cylinder jacket Interior to be provided with the connecting rod for coordinating and using non-magnet material to manufacture with its gap, the cylinder jacket is stretched out in one end extension of the connecting rod Opening outside, and be provided with central through hole in the connecting rod, and the central through hole inner sleeve is equiped with magnetic force unit, the magnetic force Unit includes spaced magnet and magnetic conductor；One end that the connecting rod is located in the cylinder jacket is fixedly connected with the work being provided with Plug, one end that the connecting rod is stretched out outside the cylinder jacket are provided with the tail-hood for being used for being fixed the magnetic force unit, the work Plug is slidably matched with the cylinder jacket；The iron core being sleeved on outside the connecting rod is fixed with the cylinder jacket, armature coil is provided with the iron core, and it is described Iron core matches somebody with somebody to merge with the connecting rod gap forms air gap between the iron core and the connecting rod.
- 2. the gas spring device of linear electric motors driving according to claim 1, it is characterised in that：The piston, which is provided with, to be used In the air equalizer opening for balancing the holding of the air pressure in the cylinder jacket of its both sides, or set on the periphery wall of the piston There is the air pressure balance groove for making the air pressure in the cylinder jacket of its both sides keep balance.
- 3. the gas spring device of linear electric motors driving according to claim 1, it is characterised in that：It is provided with the cylinder jacket For supporting the piston rod guide of the connecting rod, compression ring and oil ring are provided with the piston rod guide.
- 4. the gas spring device of linear electric motors driving according to claim 4, it is characterised in that：The piston and tail-hood point Not with the connecting rod close fit.
- 5. the gas spring device of the linear electric motors driving according to claim any one of 1-4, it is characterised in that：The cylinder Set overcoat is equiped with the protective cover being slidably matched with it, the protective cover and the connecting rod synchronizing moving.
- 6. the gas spring device of linear electric motors driving according to claim 5, it is characterised in that：The protective cover with it is described Close fit between cylinder jacket, a closed gas spring cavity, the gas are formed between the cylinder jacket and the protective cover Filled with gases at high pressure in spring plenum length.
- 7. the gas spring device of linear electric motors driving according to claim 6, it is characterised in that：The cylinder jacket includes gas Cylinder sleeve main body and the electric machine casing being fixedly set in outside the iron core, it is closed between the cylinder jacket main body and the electric machine casing Connection, and the cylinder jacket main body is coaxial with the electric machine casing and external diameter is equal.
- 8. the gas spring device of the linear electric motors driving according to claim any one of 1-4, it is characterised in that：It is two neighboring One end of the magnet identical polar is oppositely arranged.
- 9. the gas spring device of linear electric motors driving according to claim 8, it is characterised in that：The armature coil uses 3 or 6 are one group, armature coil Y-connection described in each group.
- 10. the gas spring device of linear electric motors driving according to claim 9, it is characterised in that：In the cylinder jacket also Provided with for detecting the position of magnetic pole of the magnetic force unit and the Hall sensor of control electric current commutation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664973.9A CN107605847B (en) | 2017-08-07 | 2017-08-07 | The gas spring device of linear motor driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664973.9A CN107605847B (en) | 2017-08-07 | 2017-08-07 | The gas spring device of linear motor driving |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107605847A true CN107605847A (en) | 2018-01-19 |
| CN107605847B CN107605847B (en) | 2019-05-24 |
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ID=61064719
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710664973.9A Active CN107605847B (en) | 2017-08-07 | 2017-08-07 | The gas spring device of linear motor driving |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357207A (en) * | 2021-06-22 | 2021-09-07 | 华中科技大学 | Piston type energy accumulator capable of generating power |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05231068A (en) * | 1992-02-25 | 1993-09-07 | Fuji Electric Co Ltd | Linear motor for opening/closing of door |
| CN202012264U (en) * | 2011-02-28 | 2011-10-19 | 宁波信泰机械有限公司 | Electric drive mechanism for vehicle tail door |
| CN204119006U (en) * | 2014-07-25 | 2015-01-21 | 曲阜师范大学 | A kind of efficient high thrust cylinder permanent magnetic line motor for oil pumper |
| CN104471846A (en) * | 2012-03-19 | 2015-03-25 | 海琳·奥尔特洛夫 | Segmented motor/generator with transversal flow guidance, high thrust torque and small mass inertia |
| CN105952706A (en) * | 2016-05-20 | 2016-09-21 | 潘微杰 | Intelligent electric driving cylinder device |
-
2017
- 2017-08-07 CN CN201710664973.9A patent/CN107605847B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05231068A (en) * | 1992-02-25 | 1993-09-07 | Fuji Electric Co Ltd | Linear motor for opening/closing of door |
| CN202012264U (en) * | 2011-02-28 | 2011-10-19 | 宁波信泰机械有限公司 | Electric drive mechanism for vehicle tail door |
| CN104471846A (en) * | 2012-03-19 | 2015-03-25 | 海琳·奥尔特洛夫 | Segmented motor/generator with transversal flow guidance, high thrust torque and small mass inertia |
| CN204119006U (en) * | 2014-07-25 | 2015-01-21 | 曲阜师范大学 | A kind of efficient high thrust cylinder permanent magnetic line motor for oil pumper |
| CN105952706A (en) * | 2016-05-20 | 2016-09-21 | 潘微杰 | Intelligent electric driving cylinder device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357207A (en) * | 2021-06-22 | 2021-09-07 | 华中科技大学 | Piston type energy accumulator capable of generating power |
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| Publication number | Publication date |
|---|---|
| CN107605847B (en) | 2019-05-24 |
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