CN110425263A - A kind of electric pushrod - Google Patents

A kind of electric pushrod Download PDF

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Publication number
CN110425263A
CN110425263A CN201910844314.2A CN201910844314A CN110425263A CN 110425263 A CN110425263 A CN 110425263A CN 201910844314 A CN201910844314 A CN 201910844314A CN 110425263 A CN110425263 A CN 110425263A
Authority
CN
China
Prior art keywords
cam
electric pushrod
screw rod
installation shell
shaft
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
Application number
CN201910844314.2A
Other languages
Chinese (zh)
Inventor
巩逸民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Sen Mei Imp & Exp Co Ltd
Original Assignee
Shenzhen Sen Mei Imp & Exp Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Sen Mei Imp & Exp Co Ltd filed Critical Shenzhen Sen Mei Imp & Exp Co Ltd
Priority to CN201910844314.2A priority Critical patent/CN110425263A/en
Publication of CN110425263A publication Critical patent/CN110425263A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20Screw mechanisms
    • 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
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20Screw mechanisms
    • F16H25/2015Means specially adapted for stopping actuators in the end position; Position sensing means
    • 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
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20Screw mechanisms
    • F16H25/24Elements essential to such mechanisms, e.g. screws, nuts
    • 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
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20Screw mechanisms
    • F16H2025/2062Arrangements for driving the actuator
    • F16H2025/2065Manual back-up means for overriding motor control, e.g. hand operation in case of failure

Abstract

The present invention provides a kind of electric pushrods, belong to field of power tools.Above-mentioned electric pushrod includes installation shell, screw rod and driving device;Screw rod is rotatably connected with installation shell, and screw rod includes first end and second end, and second end is plugged into installation shell;Second end is provided with operation portion, is provided with handle hole on shell, can be operated to operation portion by handle hole, so that screw rod rotates.Driving device is connect with mounting base, and is connect with screw drive.When encountering blackout condition, spanner is extend into installation shell, and is mounted on the operation portion of screw rod end.Pulling spanner can be driven screw rod rotation, and screw rod can drive nut along screw motion, and under the drive of nut, the telescopic rod of electric pushrod can reset;To reduce since electric pushrod is not capable of resetting caused puzzlement.In addition, the positive and negative rotation of screw rod can also be operated by spanner in the short time, to control electric pushrod work by manually mode.

Description

A kind of electric pushrod
Technical field
The present invention relates to linear actuator fields, in particular to a kind of electric pushrod.
Background technique
Electric pushrod is that a kind of transmission that the rotary motion of motor is converted into linear motion is filled using bolt and nut structure It sets.It is commonly inside and outside tubular type push rod, its stroke is relatively easy to control, and stability is good, and has convenient for safeguarding, small in size, convenience The advantages of operation.The transmission of existing electric pushrod places one's entire reliance upon motor, when encountering blackout condition, existing electric pushrod It can not work;And since bolt and nut has self-locking function, its reset can not also be made by pushing and pulling telescopic rod by force.
Summary of the invention
The purpose of the present invention is to provide a kind of electric pushrods, can be when having a power failure, and manual operation screw rod makes electronic Push rod resets.
The present invention is implemented as follows:
A kind of electric pushrod, comprising:
Shell is installed, the installation shell is provided with accommodating space;
Screw rod, the screw rod are rotatably connected with the installation shell, and the screw rod includes first end and second end, described Second end is plugged into the accommodating space;The second end is provided with operation portion, is provided with handle hole on the installation shell, The operation portion can be operated by the handle hole, so that the screw rod rotates;
Driving device, the driving device is connect with the installation shell, and is connect with the screw drive.
Further;The operation portion is the polygonal blind hole or cylinder being arranged on the second end end face.
Further;The installation shell further includes plug, and the plug is detachably connected with the handle hole.
Further;The electric pushrod further includes potentiometer;The driving device includes motor, the first transmission component and Two transmission components;The output shaft of the motor is connect with first transmission component and second transmission component simultaneously, described First transmission component is connect with the screw rod, and second transmission component is connect with the potentiometer.
Further;First transmission component and second transmission component are train of reduction gears.
Further;The driving device includes motor;
The electric pushrod further includes travel control device, and the travel control device includes controller, shaft, triggering group Part and inductive component;
The trigger assembly is connected in the shaft, and is rotatably connected by the shaft and the installation shell; The inductive component is arranged in the mounting shell body and connect with the installation shell;
The motor is connect with the rotating shaft transmission;When the shaft rotates, the trigger assembly can trigger the sense Answer component;The controller is electrically connected with the controller and the motor respectively, when the inductive component is triggered, the control Device processed can control the motor according to preset condition and work.
Further;The inductive component includes the first sensing element and the second sensing element;The trigger assembly includes the One cam and the second cam;First cam and second cam are set in the shaft;
When the shaft is rotated in a first direction, far stopping for first cam can a little trigger the first induction member Part makes the motor stop rotating forward;When the shaft is along second direction rotation opposite to the first direction, described second Far the stopping of cam can a little trigger second sensing element and the motor is made to stop inverting.
Further;The centre of gyration of first cam far to stop a little with first cam can determine the first reference Line, far stopping for second cam a little can determine the second reference line with the centre of gyration of second cam, described first Angle between reference line and second reference line can be conditioned.
Further;The end face of first cam and the end face of second cam fitting setting, first cam and Sawtooth is provided in the mating surface of second cam.
Further;First sensing element and second sensing element are microswitch.
The beneficial effect of technical solution provided by the invention includes:
The electric pushrod that the present invention obtains by above-mentioned design, when encountering blackout condition, by spanner, (hexagonal is pulled in such as Hand) it extend into installation shell, and be mounted on the operation portion of screw rod end.Pulling spanner can be driven screw rod rotation, screw rod Nut can be driven along screw motion, under the drive of nut, the telescopic rod of electric pushrod can reset;To reduce due to electricity Dynamic push rod is not capable of resetting caused puzzlement.In addition, the positive and negative rotation of screw rod can also be operated by spanner in the short time, thus Electric pushrod work is controlled by manually mode.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the cross-sectional view for the electric pushrod that embodiment of the present invention provides;
Fig. 2 is the partial view for Fig. 1 that embodiment of the present invention provides;
Fig. 3 is that the electric pushrod that embodiment of the present invention provides removes the structural schematic diagram after installation shell.
Icon: 100- electric pushrod;110- installs shell;112- mounting base;114- shell;1141- procapsid;1142- Back casing;1143- handle hole;1144- plug;120- push-rod assembly;121- screw rod;1211- first end;1212- second end; 1213- operation portion;122- nut;123- inner cylinder;124- outer cylinder;The anti-sway gasket of 125-;The anti-wobble ring of 126-;130- driving device; The first transmission component of 131-;The second transmission component of 132-;133- motor;140- inductive component;The first sensing element of 142-;144- Second sensing element;150- trigger assembly;The first cam of 152-;The second cam of 154-;160- potentiometer.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention The range of protection.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below to protect The scope of the present invention of shield, but it is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, ability Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention The range of protection.
In the description of the present invention, it is to be understood that, indicating position or the term of positional relationship are based on shown in attached drawing Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature Directly contacted including the first and second features, also may include the first and second features be not direct contact but by them it Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy Right above sign and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature it Under, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of first feature horizontal height Less than second feature.
Embodiment:
Fig. 1-Fig. 3 is please referred to, a kind of electric pushrod 100 is present embodiments provided comprising installation shell 110, push rod group Part 120 and driving device 130;Push-rod assembly 120 include screw rod 121, nut 122, inner cylinder 123 and outer cylinder 124, outer cylinder 124 with Installation shell 110 is fixedly connected, and inner cylinder 123 is arranged in outer cylinder 124, and screw rod 121 is arranged in inner cylinder 123, nut 122 and spiral shell Bar 121 is threadedly coupled, and is fixedly connected with inner cylinder 123;Driving device 130 and screw rod 121 are sequentially connected, for driving screw rod 121 rotations.
Specifically, installation shell 110 includes mounting base 112 and shell 114, and shell 114 divides for procapsid 1141 and rear shell Body 1142;Mounting base 112 is plate structure, and procapsid 1141 and back casing 1142 are fastened and connected respectively in mounting base 112.Afterwards Accommodating space is formed between shell 1142 and mounting base 112;Installation space is formed between procapsid 1141 and mounting base 112.
Screw rod 121 includes first end 1211 and second end 1212, and second end 1212 and mounting base 112 are connected by bearing It connects, also, in the accommodating space that second end 1212 is plugged into back casing 1142 and mounting base 112 is formed.Nut 122 is socketed in spiral shell On bar 121, inner cylinder 123 is fixedly connected with nut 122, and is set on screw rod 121.One end of outer cylinder 124 and procapsid 1141 It is fixedly connected, and is set on inner cylinder 123.It is provided with sliding slot on the inner wall of outer cylinder 124, is arranged on the outer circle wall of nut 122 There is sliding part, sliding part is in sliding fit with the sliding chute;So that nut 122 can only be along the axial movement of outer cylinder 124, without being able to rotate. In addition, the end of inner cylinder 123 is provided with connector, outer cylinder 124 is stretched out;For being connect with driven member.
The free end of screw rod 121 is provided with circular anti-sway gasket 125, is set in the end of screw rod 121;Outer cylinder 124 End be additionally provided with anti-wobble ring 126, for limiting the maximum extension elongation of inner cylinder 123.
Driving device 130 includes motor 133, the first transmission component 131 and the second transmission component 132, motor 133 and front housing Body 1141 connects, and 133 output shaft of motor is plugged into the installation space between procapsid 1141 and mounting base 112.Motor 133 is defeated Shaft is sequentially connected by the first transmission component 131 with screw rod 121, so that screw rod 121 be driven to rotate.In the present embodiment, first Transmission component 131 is train of reduction gears;In other embodiments, other common transmission components, such as V belt translation be can also be Or chain conveyer.
When power failure, motor 133 can not drive screw rod 121 to rotate.At this point, in order to enable screw rod 121 rotates;Screw rod 121 It is provided with operation portion 1213 on 1212 end face of second end, accordingly, handle hole 1143 is provided on back casing 1142.Tool is stretched Enter into handle hole 1143, tool can be connect with operation portion 1213;Turning tool can drive screw rod 121 to rotate.This implementation In example, operation portion 1213 is the blind hole of hexagon;Tool can use allen wrench.Plug is additionally provided on handle hole 1143 1144, plug 1144 is threadedly coupled with back casing 1142.In other embodiments, operation portion 1213, which can be, is arranged in screw rod The prism of 121 ends, or the nut 122 being fixedly connected with screw rod 121.
In order to detect the collapsing length of electric pushrod 100, electric pushrod 100 is also provided with potentiometer 160;Potentiometer 160 For a kind of resistor type angle sensor comprising connecting shaft.The second transmission component 132 is additionally provided in the installation space of shell, The connection axis connection that motor 133 passes through the second transmission component 132 and potentiometer 160.Potentiometer 160 is able to detect turning for connecting shaft Angle, controller obtain screw rod according to the transmission ratio of above-mentioned data and the first transmission component 131 and the second transmission component 132 121 rotational angle, and then the collapsing length of inner cylinder 123 is calculated.
In order to control the flexible stroke (the maximal dilation length of inner cylinder 123 and minimum collapsing length) of electric pushrod 100, electricity Dynamic push rod 100 is also provided with travel control device.Travel control device includes controller (not shown), shaft, triggering group Part 150 and inductive component 140;Trigger assembly 150 is connected in shaft, and shaft is rotatably connected with installation shell 110.Sense group Part 140 is arranged in accommodating space, and connect with installation shell 110.Trigger assembly 150 turns to predetermined angle with shaft When, inductive component 140 can be triggered, inductive component 140 is electrically connected with the controller, and enables to controller according to corresponding Trigger signal controls the movement of motor 133, such as control 133 forward, reverse or stop of motor stop.
Above-mentioned inductive component 140 includes the first sensing element 142 and the second sensing element 144, and trigger assembly 150 includes the One cam 152 and the second cam 154.First cam 152 and the second cam 154 are set in shaft, the first sensing element 142 It is corresponding with the first cam 152 and the second cam 154 respectively with the installation site of the second sensing element 144.When shaft is along first party To when rotation, when far stopping a little with the collision of the first sensing element 142 of the first cam 152, motor 133 stops rotating forward;Work as shaft When rotating backward, far stopping for the second cam 154 can a little be collided with the second sensing element 144, and motor 133 stops reversion.
First cam 152 far stops and a little can determine the first reference line with the centre of gyration of the first cam 152, and described the The centre of gyration of two cams 154 far to stop a little with second cam 154 can determine the second reference line;First reference line with Projection of second reference line on the end face of the first cam 152 is a certain included angle setting;First sensing element 142 and the second sense Element 144 is answered to be located in above-mentioned angle.When needing to adjust the stroke of electric pushrod 100, the size of above-mentioned angle is adjusted.
First cam 152 can rotate around the axis, and when turning to certain angle, can be fixed in shaft, from And realize the adjusting of angle between the first cam 152 and the second cam 154.The end face of first cam 152 and the second cam 154 Sawtooth is provided in the mating surface of end face fitting setting, the first cam 152 and the second cam 154.Fix the first cam 152 When, it can use screw and be fixed.When screw is by the first cam 152 and the second 154 immovable fitting of cam, due to the work of sawtooth With the angle of the first cam 152 and the second cam 154 is reliably fixed.Also, due to being provided with sawtooth, pass through rotation first The sawtooth of 152 predetermined number of cam just can quantitatively adjust above-mentioned angle.
In the present embodiment, the first sensing element 142 and the second sensing element 144 are microswitch.In other embodiments In, it can be close to switch or other positions sensor;Or trigger element is also possible to the structure of protrusion in shaft etc.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of electric pushrod characterized by comprising
Shell is installed, the installation shell is provided with accommodating space;
Screw rod, the screw rod are rotatably connected with the installation shell, and the screw rod includes first end and second end, and described second End is plugged into the accommodating space;The second end is provided with operation portion, is provided with handle hole on the installation shell, passes through The handle hole can operate the operation portion, so that the screw rod rotates;
Driving device, the driving device is connect with the installation shell, and is connect with the screw drive.
2. electric pushrod according to claim 1, it is characterised in that: the operation portion is to be arranged in the second end end face On polygonal blind hole or cylinder.
3. electric pushrod according to claim 1, it is characterised in that: the installation shell further includes plug, the plug It is detachably connected with the handle hole.
4. electric pushrod according to claim 1, it is characterised in that:
The electric pushrod further includes potentiometer;The driving device includes motor, the first transmission component and the second transmission component; The output shaft of the motor is connect with first transmission component and second transmission component simultaneously, first transmission component It is connect with the screw rod, second transmission component is connect with the potentiometer.
5. electric pushrod according to claim 4, it is characterised in that:
First transmission component and second transmission component are train of reduction gears.
6. electric pushrod according to claim 1, it is characterised in that:
The driving device includes motor;
The electric pushrod further includes travel control device, the travel control device include controller, shaft, trigger assembly and Inductive component;
The trigger assembly is connected in the shaft, and is rotatably connected by the shaft and the installation shell;It is described Inductive component is arranged in the mounting shell body and connect with the installation shell;
The motor is connect with the rotating shaft transmission;When the shaft rotates, the trigger assembly can trigger the sense group Part;The controller is electrically connected with the controller and the motor respectively, when the inductive component is triggered, the controller The motor can be controlled according to preset condition to work.
7. electric pushrod according to claim 6, it is characterised in that:
The inductive component includes the first sensing element and the second sensing element;The trigger assembly includes the first cam and second Cam;First cam and second cam are set in the shaft;
When the shaft is rotated in a first direction, far stopping for first cam can a little trigger first sensing element and make The motor is obtained to stop rotating forward;When the shaft is along second direction rotation opposite to the first direction, second cam Far stop and can a little trigger second sensing element motor is made to stop inverting.
8. electric pushrod according to claim 7, it is characterised in that:
Far stopping for first cam a little can determine the first reference line with the centre of gyration of first cam, described second Cam far stops and a little can determine the second reference line with the centre of gyration of second cam, first reference line with it is described Angle between second reference line can be conditioned.
9. electric pushrod according to claim 8, it is characterised in that:
The end face of first cam and the fitting setting of the end face of second cam, first cam and second cam Mating surface on be provided with sawtooth.
10. electric pushrod according to claim 7, it is characterised in that:
First sensing element and second sensing element are microswitch.
CN201910844314.2A 2019-09-06 2019-09-06 A kind of electric pushrod Pending CN110425263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910844314.2A CN110425263A (en) 2019-09-06 2019-09-06 A kind of electric pushrod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910844314.2A CN110425263A (en) 2019-09-06 2019-09-06 A kind of electric pushrod

Publications (1)

Publication Number Publication Date
CN110425263A true CN110425263A (en) 2019-11-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910844314.2A Pending CN110425263A (en) 2019-09-06 2019-09-06 A kind of electric pushrod

Country Status (1)

Country Link
CN (1) CN110425263A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09191611A (en) * 1996-01-09 1997-07-22 Aichi Electric Co Ltd Manual operation apparatus of motor-driven actuator
US20060289248A1 (en) * 2005-06-22 2006-12-28 Mando Corporation Electric parking brake system
WO2012055256A1 (en) * 2010-10-27 2012-05-03 常州市凯迪电器有限公司 Electric linear push rod with hand drive function
CN202812033U (en) * 2012-07-06 2013-03-20 浙江捷昌线性驱动科技股份有限公司 Hand-screw releasing structure for electric pushing rod
TWM452540U (en) * 2012-12-27 2013-05-01 Timotion Technology Co Ltd Electric cylinder and rapid release mechanism thereof
CN103620159A (en) * 2011-03-16 2014-03-05 阿克深海有限公司 Subsea electric actuators and latches for them
CN204083119U (en) * 2014-08-25 2015-01-07 常州天安尼康达电器有限公司 The electric pushrod that stroke is controlled
CN107448666A (en) * 2017-09-26 2017-12-08 无锡福斯拓科科技有限公司 A kind of hand-reset structure for Direct Travel actuator
CN108233606A (en) * 2016-12-22 2018-06-29 斯凯孚公司 The manual override of driver
CN208797760U (en) * 2018-08-31 2019-04-26 浙江联宜电机有限公司 Electric pushrod screw rod stroke controlling structure
CN208849613U (en) * 2018-09-17 2019-05-10 浙江力耐得传动科技有限公司 A kind of stable type electric pushrod
CN210423623U (en) * 2019-09-06 2020-04-28 深圳市森美合进出口有限公司 Electric push rod

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09191611A (en) * 1996-01-09 1997-07-22 Aichi Electric Co Ltd Manual operation apparatus of motor-driven actuator
US20060289248A1 (en) * 2005-06-22 2006-12-28 Mando Corporation Electric parking brake system
WO2012055256A1 (en) * 2010-10-27 2012-05-03 常州市凯迪电器有限公司 Electric linear push rod with hand drive function
CN103620159A (en) * 2011-03-16 2014-03-05 阿克深海有限公司 Subsea electric actuators and latches for them
CN202812033U (en) * 2012-07-06 2013-03-20 浙江捷昌线性驱动科技股份有限公司 Hand-screw releasing structure for electric pushing rod
TWM452540U (en) * 2012-12-27 2013-05-01 Timotion Technology Co Ltd Electric cylinder and rapid release mechanism thereof
CN204083119U (en) * 2014-08-25 2015-01-07 常州天安尼康达电器有限公司 The electric pushrod that stroke is controlled
CN108233606A (en) * 2016-12-22 2018-06-29 斯凯孚公司 The manual override of driver
CN107448666A (en) * 2017-09-26 2017-12-08 无锡福斯拓科科技有限公司 A kind of hand-reset structure for Direct Travel actuator
CN208797760U (en) * 2018-08-31 2019-04-26 浙江联宜电机有限公司 Electric pushrod screw rod stroke controlling structure
CN208849613U (en) * 2018-09-17 2019-05-10 浙江力耐得传动科技有限公司 A kind of stable type electric pushrod
CN210423623U (en) * 2019-09-06 2020-04-28 深圳市森美合进出口有限公司 Electric push rod

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