CN108134479A - A kind of electric driven propelling rod - Google Patents

A kind of electric driven propelling rod Download PDF

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Publication number
CN108134479A
CN108134479A CN201711401797.6A CN201711401797A CN108134479A CN 108134479 A CN108134479 A CN 108134479A CN 201711401797 A CN201711401797 A CN 201711401797A CN 108134479 A CN108134479 A CN 108134479A
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CN
China
Prior art keywords
cylinder
silk braid
braid cylinder
electric driven
propelling rod
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Granted
Application number
CN201711401797.6A
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Chinese (zh)
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CN108134479B (en
Inventor
李宏爽
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Shenzhen Jingyijing Auto Parts Co., Ltd.
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李宏爽
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Priority to CN201711401797.6A priority Critical patent/CN108134479B/en
Publication of CN108134479A publication Critical patent/CN108134479A/en
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Publication of CN108134479B publication Critical patent/CN108134479B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06Means for converting reciprocating motion into rotary motion or vice versa
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types

Abstract

The invention belongs to auxiliary driving structure technical fields, a kind of electric driven propelling rod is provided, including drive component, the silk braid cylinder that is connected in the driving component and the flexible cylinder being connected on the silk braid cylinder can be relatively moved, and limiting is connected to the compression piece in the silk braid cylinder, it is also associated on one end lateral surface of the flexible cylinder for the first external screw thread with the first screw-internal thread fit on the silk sleeve lining, other end Telescopic movable is outside the silk braid cylinder, a cavity is formed in the retracting cylinder body, the compression piece rotates with the silk braid cylinder and compresses or discharge the gas in the cavity;Design can solve the problem of that existing electric pushrod is complicated while be difficult to realize miniaturization and lightness in this way.

Description

A kind of electric driven propelling rod
Technical field
The invention belongs to auxiliary driving structure technical field more particularly to a kind of electric driven propelling rods.
Background technology
Electric pushrod can realize the control of folding or lifting in a smaller space by the expansion performance of the body of rod System, so be widely used in the automatically-controlled door of automobile trunk, smart home, medical bed or other need to use above-mentioned characteristic Equipment.Traditional electric pushrod keeps releasing shape to ensure the stability of release state often through built-in spring part The stationarity of state or its stability is realized using the thread fitting of screw structure;But it is designed so as on the one hand cause Product it is complicated, corresponding parts are more;On the other hand in order to ensure the stability of electric pushrod in itself, screw structure Diameter generally require relatively large, and the characteristic due to screw part in itself so that the miniaturization of electric pushrod and lightness It is difficult to realize.
Invention content
The purpose of the present invention is to provide a kind of electric driven propelling rods, it is intended to and it is complicated to solve existing electric pushrod, The problem of being difficult to realize miniaturization and lightness simultaneously.
The present invention solves in this way:A kind of electric driven propelling rod including drive component, is connected in the driving component The flexible cylinder that is connected on the silk braid cylinder of silk braid cylinder and can relatively moving and limiting be connected in the silk braid cylinder Compression piece is also associated with matching with the first internal thread on the silk sleeve lining on one end lateral surface of the flexible cylinder The first external screw thread closed, other end Telescopic movable is formed with a cavity outside the silk braid cylinder in the retracting cylinder body, described Compression piece rotates with the silk braid cylinder and compresses or discharge the gas in the cavity.
Further, first internal thread is evenly arranged along the inner wall axial direction of the silk braid cylinder.
Further, limiting lantern ring is also fixedly connected on the flexible cylinder, first external screw thread is formed in described It limits on lantern ring, and during silk braid cylinder rotation, the limiting lantern ring passes through first external screw thread and first internal thread Connection so that the flexible cylinder is moved along the axial direction of the silk braid cylinder.
Further, the cavity inner wall of the flexible cylinder is equipped with the second internal thread, and being connected on the compression piece can For the second external screw thread with second screw-internal thread fit, second internal thread prolongs along the axial direction of the flexible cylinder It stretches.
Further, the compression piece is the supporting rod extended along the silk sleeve axis, and the supporting rod is divided into court First end to the driving component and the second end towards the flexible cylinder, and first end limiting is connected to the silk On sleeve, the second end limits mobile connection in the cavity.
Further, the flexible cylinder is moved with the rotation of the silk braid cylinder along the axis direction of the silk braid cylinder.
Further, the cavity is closed away from one end of the silk braid cylinder, and the other end is equipped with for the supporting rod The trepanning that the second end moves through is also associated with may be such that in the cavity that form sealing empty on the side wall of the second end Between sealing element.
Further, the end of the second end has further extended outward abutting round platform, and the sealing element is set in the branch On strut, and one end of the sealing element is connected on the side wall for abutting round platform.
Further, the shape of the sealing element is identical with the cross-sectional shape of the cavity, and the sealing element is outer Circumferential surface is connected on the inner wall of the cavity.
Further, the driving component includes driving motor and limits drive shaft and the company being connected on the silk braid cylinder The drive mechanism being connected between the driving motor and the drive shaft, the end limiting of the first end are connected to the transmission In structure.
Further, the drive mechanism includes the first connector and the drive that limiting is socketed in the drive shaft The connecting shaft of moving axis cooperation rotation and be set in the connecting shaft and for first connector coordinates second connect Part, second connector are connected on the end of the silk braid cylinder.
Further, the one end of the connecting shaft passes through the end face of the silk braid cylinder and limiting is connected in the silk braid cylinder, Be connected with gear member on the other end of the connecting shaft, one end of the drive shaft towards the connecting shaft be additionally provided with for institute State the geared sleeve of gear member cooperation.
Further, one end that the connecting shaft is located in the silk braid cylinder is also longitudinally extended to form finite place piece, described It is additionally provided with spherical groove on the end face of locating part, the end abutment of the first end is in the inside of spherical groove, and described first The end face at end is in arc-shaped.
Further, first connector is concavely provided with multiple link slots, and the end face of second connector is to extension Stretching has multiple connected units for being connected on the link slot, and each connected unit corresponds to a link slot.
Further, the electric driven propelling rod further includes the guarantor being set on the outside of the silk braid cylinder and the driving component Jacket body, the protective case are shown consideration for together in the silk braid cylinder and the lateral surface of the driving component.
The technique effect that electric driven propelling rod provided by the invention has compared with the prior art is:By by silk braid cylinder It is connected on the drive component, and then silk braid cylinder can be rotated with the driving of the drive component and with its axial line, simultaneously should Silk sleeve lining is equipped with the first internal thread, when the silk braid cylinder rotates, is connected to flexible cylinder in the silk braid cylinder by the One external screw thread is moved with first screw-internal thread fit and relative to the silk braid cylinder;In addition, limiting is connected with compression in the silk braid cylinder Part, for the compression piece when the cylinder that stretches is moved relative to the silk braid cylinder, which can compress or discharge the retracting cylinder Gas in internal cavity, so that the cooperation of the flexible cylinder and compression piece can replace traditional spring part, and will Screw thread is arranged in the silk braid cylinder, it is ensured that, can be by the diameter of silk braid cylinder as far as possible under enough cooperation intensity requirements Reduction, and then space can be efficiently used, while save material cost.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these Attached drawing obtains other attached drawings.
Fig. 1 is the exploded view of electric driven propelling rod provided in an embodiment of the present invention.
Fig. 2 is the semi-cutaway of electric driven propelling rod provided in an embodiment of the present invention.
Fig. 3 is the partial enlarged view at A in Fig. 3.
Fig. 4 is the partial enlarged view at B in Fig. 3.
Wherein, drive component 10, driving motor 11, drive shaft 12, geared sleeve 121, drive mechanism 13, the second connector 14, connected unit 141, the first connector 15, link slot 151, connecting shaft 16, gear member 161, locating part 162, spherical groove 163, Silk braid cylinder 20, the first internal thread 21, compression piece 22, supporting rod 22a, first end 221 abut round platform 2211, second end 222, end Face 2221, sealing element 23, limiting slot 24, stretch cylinder 30, cavity 31, limits lantern ring 32, and the first external screw thread 33 protects body 40, sealing ring 41.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must have Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more, Unless otherwise specifically defined.
It please refers to shown in attached Fig. 1 to Fig. 4, in embodiments of the present invention, a kind of electric driven propelling rod is provided, including driving group Part 10, silk braid cylinder 20 and flexible cylinder 30 and compression piece 22.The silk braid cylinder 20 is connected to the end of the drive component 10, and And the silk braid cylinder 20 can be rotated with the driving effect of the drive component 10, which can be with mobile connection at this In silk braid cylinder 20, and the flexible cylinder 30 can in silk braid 20 rotation of cylinder, relative to 20 telescopic moving of silk braid cylinder, into And the structure for being connected to flexible 30 end of cylinder can be pushed outwardly or be retracted.The compression piece 22 limiting is connected to silk braid In cylinder 20.Inner cavity is formed in the silk braid cylinder 20, the cavity wall of the inner cavity is equipped with the first internal thread 21, and the flexible cylinder 30 is flexible It is mobile be also associated in the inner cavity, and on one end lateral surface of the flexible cylinder 30 for on 20 inner wall of silk braid cylinder First external screw thread 33 of the first internal thread 21 cooperation, the other end telescopic moving of the flexible cylinder 30 are connected to the silk braid cylinder 20 Outside.In addition, being formed with a cavity 31 in the flexible cylinder 30, which rotates with the silk braid cylinder 20 and compresses or discharge this Gas in cavity 31.Design is relative to the driving of traditional screw structure in this way, and due to electric pushrod, need in itself will be certain The object of quality is propped, and then higher for the diametric requirements of screw part in the screw structure, and then in traditional electric pushrod It is difficult to reduce the size, and then the scope of application is affected due to screw part itself, while the cost is relatively high for product; And the structure in the present embodiment, by the first internal thread 21 of setting in silk braid cylinder 20, which connects the first external screw thread outside 33, cooperate support total between the two, and then can realize that electric pushrod is lighter thinner, more so as to adapt to Application environment in.
The electric driven propelling rod designed above, by the way that silk braid cylinder 20 is connected on the drive component 10, and then silk braid cylinder 20 can rotate, while 20 inner wall of silk braid cylinder is equipped with spiral shell in first with the driving of the drive component 10 and with its axial line Line 21, when the silk braid cylinder 20 rotates, be connected to flexible cylinder 30 in the silk braid cylinder 20 by the first external screw thread 33 with this One internal thread 21 is moved with merging relative to the silk braid cylinder 20;In addition, limiting is connected with compression piece 22 in the silk braid cylinder 20, the pressure For contracting part 22 when the cylinder 30 that stretches is moved relative to the silk braid cylinder 20, which can compress or discharge the retracting cylinder Gas in 30 inner chamber body 31 of body, so that the cooperation of the flexible cylinder 30 and compression piece 22 can replace traditional spring Part, and screw thread is arranged in the silk braid cylinder 20, it is ensured that it, can be by silk braid cylinder 20 under enough cooperation intensity requirements Diameter reduce as far as possible, and then space can be efficiently used, while save material cost.
Specifically, as shown in Fig. 2, in embodiments of the present invention, first internal thread 21 is along the inner cavity of the silk braid cylinder 20 It is evenly arranged on inner wall axial direction.It designs in this way when can ensure the flexible cylinder 30 along the axial direction of the silk braid cylinder 20 It is mobile, and then ensure that directionality is more accurate during the end push-and-pull object of flexible cylinder 30.
Specifically, as depicted in figs. 1 and 2, in embodiments of the present invention, also it is fixedly connected with limiting on the flexible cylinder 30 Lantern ring 32, first external screw thread 33 are formed on the limiting lantern ring 32, and during the silk braid cylinder 20 rotation, the limiting lantern ring 32 is logical It crosses first external screw thread 33 to connect with first internal thread 21 so that the flexible cylinder 30 is along the axial direction of the silk braid cylinder 20 It is mobile.
In the present embodiment, the width of the limiting lantern ring 32 is much smaller than the length of the silk braid cylinder 20, and then 20 turns of silk braid cylinder When dynamic, the flexible relative movement between cylinder 30 and the silk braid cylinder 20 more smoothly so that the work of electric pushrod It is more efficient.In addition the limiting lantern ring 32 is preferably that welding or other modes being fixedly connected are fixed on the flexible cylinder 30 On lateral surface, which is formed on the lateral surface of the limiting lantern ring 32, and first external screw thread 33 with this The thread size of one internal thread 21 is identical, and matching just.
Specifically, in another embodiment of the present invention, it is also provided on 31 inner wall of cavity of the flexible cylinder 30 Second internal thread (not shown), while be connected on the compression piece 22 for the second external screw thread with second screw-internal thread fit (not shown), second internal thread extend along the axial direction of the cylinder 30 that stretches.Design is so that the silk braid cylinder 20 rotates in this way When, which rotates simultaneously, and then the first external screw thread 33 and the cooperation of the first internal thread 21 realize that the flexible cylinder 30 is opposite When the silk braid cylinder 20 moves, second internal thread and second external screw thread cooperation assist the flexible cylinder 30 relative to the silk braid Cylinder 20 moves, and ensures the stability of corresponding position when the flexible cylinder 30 is stretched out or retracted.
Specifically, as shown in Figures 2 to 4, in embodiments of the present invention, which is along 20 axis of silk braid cylinder The supporting rod 22a of extension, supporting rod 22a points are towards the first end 221 of the drive component 10 and towards the cylinder 30 that stretches Second end 222, and the first end 221 limiting be connected on the silk braid cylinder 20, the second end 222 limit mobile connection at this In cavity 31.And then during the silk braid cylinder 20 rotation, the second end 222 limiting is mobile in the cylinder 30 that stretches;Herein substantially The position of the second end 222 is motionless always, when silk braid cylinder 20 rotates, and the flexible cylinder 30 towards the silk braid cylinder 20 move when, The second end 222 is equivalent to towards moving, and then compress the air in the cavity 31 in the cylinder 30 that stretches, and keeps entire electronic Stability inside push rod;When silk braid cylinder 20 rotates, and the flexible cylinder 30 away from the silk braid cylinder 20 move when, the second end 222 are equivalent to towards movement outside the cylinder 30 that stretches, and then discharge the air compressed in the cavity 31, generate the power of rebound, So that it is more convenient when electric pushrod is pushed outwardly, more easily.
Specifically, as shown in Fig. 2, in embodiments of the present invention, which should with the rotation edge of the silk braid cylinder 20 The axis direction movement of silk braid cylinder 20.Design can ensure whole knot when coordinating between cylinder 30 and silk braid cylinder 20 of stretching in this way The intensity of structure is more preferable, and then total can realize lighter and smaller.
Specifically, as depicted in figs. 1 and 2, in embodiments of the present invention, which deviates from an end seal of the silk braid cylinder 20 It closes, the other end is equipped with the trepanning moved through for the second end 222 of supporting rod 22a, is gone back on the side wall of the second end 222 It is connected with the sealing element 23 that may be such that and sealing space is formed in the cavity 31.It can be designed so that matching in flexible cylinder 30 in this way Close that design of part is less, while when the second end 222 of supporting rod 22a is moved relative to the inner cavity of the cylinder 30 that stretches, it can be with Ensure state of the cavity 31 always in sealing, can ensure that the effect of gas compression and release is more preferable in this way;And structure Also it is more simple.
Specifically, as shown in Figures 2 and 3, in embodiments of the present invention, the end of the second end 222 has further extended outward Round platform 2211 is abutted, which is set on supporting rod 22a, and one end of the sealing element 23 is connected to abutting circle On the side wall of platform 2211.Design can ensure that this is sealed in the stability connected in the second end 222 and the cavity 31 in this way The reliability of interior sealing.
Specifically, as shown in figure 3, in embodiments of the present invention, the shape of the sealing element 23 and the cross section of the cavity 31 Shape is identical, and the peripheral surface of the sealing element 23 is connected on the inner wall of the cavity 31.Design is equally to ensure the chamber in this way The stability and duration in 31 inner sealing space of body.
Specifically, as depicted in figs. 1 and 2, in embodiments of the present invention, which includes driving motor 11 and limit The position drive shaft 12 being connected on the silk braid cylinder 20 and the drive mechanism being connected between the driving motor 11 and the drive shaft 12 13, the end limiting of the first end 221 is connected on the drive mechanism 13.Design can ensure the support element in silk braid cylinder in this way The stability connected in 20.
In embodiments of the present invention, which includes the first connector that limiting is socketed in the drive shaft 12 15th, with the connecting shaft 16 of the drive shaft 12 cooperation rotation and being set in the connecting shaft 16 and for matching with first connector 15 The second connector 14 closed, second connector 14 are connected on the end of the silk braid cylinder 20.And then the driving motor 11 drives The drive shaft 12 rotates, while first connector 15 is driven to rotate, which is connected in the drive shaft 12, into And the connecting shaft 16 is with rotation, and then the second connector 14 is driven to rotate namely drive silk braid cylinder 20 to rotate;In this process Should, which can also drive second connector 14 to rotate simultaneously when rotating;Design can ensure the silk in this way The stability that sleeve 20 rotates.
Specifically, as depicted in figs. 1 and 2, in embodiments of the present invention, which passes through the silk braid cylinder 20 End face and limit be connected in the silk braid cylinder 20, gear member 161 is connected on the other end of the connecting shaft 16,12 court of drive shaft The geared sleeve 121 for coordinating with the gear member 161 is additionally provided with to one end of the connecting shaft 16.And then the drive shaft 12 and the company By gear engaged transmission between spindle 16, and then ensure the validity of transmission;And one end of the connecting shaft 16 passes through the silk The end face of sleeve 20, while limiting is connected in the silk braid cylinder 20, and then can when connecting shaft 16 rotates while drive to be somebody's turn to do Silk braid cylinder 20 rotates.
Specifically, as depicted in figs. 1 and 2, in embodiments of the present invention, which is located at one in the silk braid cylinder 20 End is also longitudinally extended to form finite place piece 162, and the locating part 162 is corresponded in the silk braid cylinder 20 equipped with limiting slot 24, the connecting shaft The locating part 162 is connected in the limiting slot 24, and then the silk braid cylinder 20 is driven to rotate during 16 rotation.The end of the locating part 162 Spherical groove 163 is additionally provided on face, the end abutment of the first end 221 is in the spherical groove 163, and the first end 221 End face 2221 be in arc-shaped or hemispherical.When design is so that connecting shaft 16 rotates in this way, the first end 221 and the spherical groove Frictional force smaller between 163.
Specifically, as depicted in figs. 1 and 2, in embodiments of the present invention, which is concavely provided with multiple connections Slot 151, the end face of second connector 14 are outward extended with multiple connected units 141 for being connected on the link slot 151, often One connected unit 141 corresponds to the link slot 151.It simultaneously can be with when can be designed so that first connector 15 rotation in this way Second connector 14 is driven to rotate, and then the silk braid cylinder 20 is driven to rotate.
Specifically, as depicted in figs. 1 and 2, in embodiments of the present invention, which, which further includes, is set in the silk Sleeve 20 and the protection body 40 in 10 outside of drive component, the protection body 40 fit in the silk braid cylinder 20 and the drive component 10 lateral surface.So that the closure of the total of the electric pushrod is more preferable, appearance is more beautiful for design in this way.
In the present embodiment, sealing ring 41 is also associated between the protection body 40 and the silk braid cylinder 20, design can in this way To ensure the leakproofness of 40 internal structure of protection body.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.

Claims (15)

1. a kind of electric driven propelling rod, it is characterised in that:Including drive component, the silk braid cylinder being connected in the driving component and The flexible cylinder being connected on the silk braid cylinder can be relatively moved and limit the compression piece being connected in the silk braid cylinder, institute It states and is also associated on one end lateral surface of flexible cylinder for first with the first screw-internal thread fit on the silk sleeve lining External screw thread, other end Telescopic movable are formed with a cavity outside the silk braid cylinder in the retracting cylinder body, the compression piece with The silk braid cylinder rotates and compresses or discharge the gas in the cavity.
2. electric driven propelling rod as described in claim 1, it is characterised in that:First internal thread is along the silk braid cylinder It is evenly arranged on wall axial direction.
3. electric driven propelling rod as described in claim 1, it is characterised in that:Limiting is also fixedly connected on the flexible cylinder Lantern ring, first external screw thread are formed on the limiting lantern ring, and during silk braid cylinder rotation, and the limiting lantern ring passes through institute It states the first external screw thread to connect with first internal thread so that the flexible cylinder is moved up along the axial direction of the silk braid cylinder It is dynamic.
4. electric driven propelling rod as described in claim 1, it is characterised in that:The cavity inner wall of the flexible cylinder is equipped with the Two internal threads are connected on the compression piece for the second external screw thread with second screw-internal thread fit, spiral shell in described second Line extends along the axial direction of the flexible cylinder.
5. electric driven propelling rod as described in claim 1, it is characterised in that:The compression piece is along the silk sleeve axis The supporting rod of extension, the supporting rod are divided into second towards the first end of the driving component and towards the flexible cylinder End, and first end limiting is connected on the silk braid cylinder, the second end limits mobile connection in the cavity.
6. electric driven propelling rod as claimed in claim 5, it is characterised in that:The flexible cylinder with the silk braid cylinder rotation It is moved along the axis direction of the silk braid cylinder.
7. electric driven propelling rod as claimed in claim 6, it is characterised in that:The cavity deviates from an end seal of the silk braid cylinder It closes, the other end is equipped with the trepanning moved through for the second end of the supporting rod, also connects on the side wall of the second end It is connected to the sealing element that may be such that and sealing space is formed in the cavity.
8. electric driven propelling rod as claimed in claim 7, it is characterised in that:The end of the second end further extended outward to Round platform is connect, the sealing element is set on the supporting rod, and one end of the sealing element is connected to the side for abutting round platform On wall.
9. electric driven propelling rod as claimed in claim 7, it is characterised in that:The shape of the sealing element and the horizontal stroke of the cavity Cross sectional shape is identical, and the peripheral surface of the sealing element is connected on the inner wall of the cavity.
10. electric driven propelling rod as claimed in claim 5, it is characterised in that:The driving component includes driving motor and limit The position drive shaft being connected on the silk braid cylinder and the drive mechanism being connected between the driving motor and the drive shaft, institute The end limiting for stating first end is connected on the drive mechanism.
11. electric driven propelling rod as claimed in claim 10, it is characterised in that:The drive mechanism includes limiting and is socketed in institute State the first connector in drive shaft, with the drive shaft cooperation rotation connecting shaft and be set in the connecting shaft and for With the second connector of first connector cooperation, second connector is connected on the end of the silk braid cylinder.
12. electric driven propelling rod as claimed in claim 11, it is characterised in that:The one end of the connecting shaft passes through the silk braid cylinder End face and limiting be connected in the silk braid cylinder, gear member, the drive shaft court are connected on the other end of the connecting shaft The geared sleeve for coordinating with the gear member is additionally provided with to one end of the connecting shaft.
13. electric driven propelling rod as claimed in claim 12, it is characterised in that:The connecting shaft is located in the silk braid cylinder One end is also longitudinally extended to form finite place piece, and spherical groove, the end of the first end are additionally provided on the end face of the locating part The inside of spherical groove is connected to, and the end face of the first end is in arc-shaped.
14. electric driven propelling rod as claimed in claim 11, it is characterised in that:First connector is concavely provided with multiple companies Access slot, the end face of second connector are outward extended with multiple connected units for being connected on the link slot, Mei Yisuo It states connected unit and corresponds to a link slot.
15. such as claim 1-14 any one of them electric driven propelling rods, it is characterised in that:The electric driven propelling rod also wraps Include the protection body being set on the outside of the silk braid cylinder and the driving component, the protective case show consideration for together in the silk braid cylinder and The lateral surface of the driving component.
CN201711401797.6A 2017-12-22 2017-12-22 A kind of electric driven propelling rod Active CN108134479B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019119397A1 (en) * 2017-12-22 2019-06-27 李宏爽 Novel electric push rod

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US6377010B1 (en) * 1999-11-03 2002-04-23 Dewert Antriebes- Und Systemtechnik Gmbh & Co. Kg Electromotive drive for a furniture item
US20050132830A1 (en) * 2003-11-26 2005-06-23 Dominique Gerbier Linear actuator
CN204559309U (en) * 2015-05-08 2015-08-12 刘钊 Dynamo-electric linear drive apparatus
CN105952706A (en) * 2016-05-20 2016-09-21 潘微杰 Intelligent electric driving cylinder device
CN207234601U (en) * 2017-12-22 2018-04-13 李宏爽 A kind of electric driven propelling rod

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1295172A (en) * 1999-11-03 2001-05-16 盖慈有限公司 Electric drive device
US6377010B1 (en) * 1999-11-03 2002-04-23 Dewert Antriebes- Und Systemtechnik Gmbh & Co. Kg Electromotive drive for a furniture item
JP2001132810A (en) * 1999-11-04 2001-05-18 Iai:Kk Actuator
US20050132830A1 (en) * 2003-11-26 2005-06-23 Dominique Gerbier Linear actuator
CN204559309U (en) * 2015-05-08 2015-08-12 刘钊 Dynamo-electric linear drive apparatus
CN105952706A (en) * 2016-05-20 2016-09-21 潘微杰 Intelligent electric driving cylinder device
CN207234601U (en) * 2017-12-22 2018-04-13 李宏爽 A kind of electric driven propelling rod

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019119397A1 (en) * 2017-12-22 2019-06-27 李宏爽 Novel electric push rod

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