CN110425263A - A kind of electric pushrod - Google Patents
A kind of electric pushrod Download PDFInfo
- 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
Links
- 238000009434 installation Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 32
- 230000001939 inductive effect Effects 0.000 claims description 13
- 230000013011 mating Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000001143 conditioned effect Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 6
- 108090000565 Capsid Proteins Proteins 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2065—Manual 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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)
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CN110425263A true CN110425263A (en) | 2019-11-08 |
Family
ID=68417842
Family Applications (1)
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CN201910844314.2A Pending CN110425263A (en) | 2019-09-06 | 2019-09-06 | A kind of electric pushrod |
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---|---|---|---|---|
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 |
-
2019
- 2019-09-06 CN CN201910844314.2A patent/CN110425263A/en active Pending
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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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