CN206145016U - Electric pushrod - Google Patents
Electric pushrod Download PDFInfo
- Publication number
- CN206145016U CN206145016U CN201621026703.2U CN201621026703U CN206145016U CN 206145016 U CN206145016 U CN 206145016U CN 201621026703 U CN201621026703 U CN 201621026703U CN 206145016 U CN206145016 U CN 206145016U
- Authority
- CN
- China
- Prior art keywords
- ball
- clutch
- electric pushrod
- ring
- seat
- 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.)
- Active
Links
Landscapes
- Seats For Vehicles (AREA)
Abstract
The utility model discloses an electric pushrod, including the motor, with drive assembly that motor drive connects and with the thimble assembly that the drive assembly transmission is connected, the thimble assembly includes the main shaft, the main shaft with be equipped with the clutch who is used for realizing power linking between the two of main shaft and drive assembly or disconnection between the drive assembly, clutch includes the ball clutch, electric pushrod not good problem of smooth -going degree when power links up or break off among the solution prior art, and transmission efficiency is higher moreover, the life -span is longer.
Description
【Technical field】
The utility model is related to a kind of electric pushrod, belongs to linear drive field.
【Background technology】
Existing electric pushrod, including the transmission component that is connected of motor and the motor and with the transmission component
The thimble assembly being connected, thimble assembly itself flexible when motor is rotated, drives thimble assembly to realize by transmission component
Telescopic, and existing electric pushrod on the market, in order to realize the power quick joining between thimble assembly and transmission component
With disconnection, thimble assembly and transmission component generally arrange an arrangement of clutch, plays the tie of a power linking, and existing skill
Problem present in art is that arrangement of clutch structure is complex, and is not enough smoothed out in power linking and disconnection process, transmission effect
Rate is not high.
【Utility model content】
The utility model provides a kind of electric pushrod, solves electric pushrod in prior art flat when power is connected or disconnects
The not good problem of compliance.
Above-mentioned technical problem is solved, the utility model is adopted the following technical scheme that：
A kind of electric pushrod, including the transmission component that is connected of motor and the motor and pass with the transmission component
The thimble assembly of dynamic connection, described sleeve pipe component includes main shaft, is provided between the main shaft and the transmission component for realizing
Main shaft and the transmission component arrangement of clutch that between the two power is connected or disconnects, the arrangement of clutch includes ball clutch.
Preferably, the ball clutch includes：The ball base that is connected with the main shaft and connect with the transmission component
The clutch seat for connecing, ball base is provided with ball, and the clutch seat is provided with the stopper slot for positioning the ball, when power is connected,
Ball is contained in stopper slot, and when power departs from, ball departs from the stopper slot.
Preferably, the week side of boss wall of the ball base is provided with the ball grooves of the accommodating ball, the clutch seat overcoat
On ball base, the internal perisporium of clutch seat is provided with internal projecting ring, and the internal projecting ring is provided with the stopper slot.
Preferably, the ball grooves are wedge-shaped slot, the ball is movably placed in the ball grooves.
Preferably, the electric pushrod is also included for driving the arrangement of clutch separation or the clutch of closure to drive
Component.
Preferably, the clutch drive component includes being located at the ring of clutch seat axial direction side, ring is struck
When, the clutch seat axial displacement is promoted, to realize that stopper slot is separated with ball or docked.
Preferably, the clutch drive component includes ring seat, the ring is rotatably connected on ring seat, described group
Ring is connected with pull bar, and pull bar stress drives ring to rotate, and ring promotes the clutch seat to move when rotating.
Preferably, the electric pushrod also includes brake mount, slide block, the slide block are slidably connected in the brake mount
One end is connected with the pull bar, and the other end is connected with brake bracing wire.
Preferably, the transmission component includes the worm screw with the motor connection, the worm engaging has worm gear, described
Worm-drive is connected with driving key, and the clutch seat is provided with the transmission keyway matched with the driving key.
Preferably, described sleeve pipe component includes inner and outer tubes, the main shaft is screw mandrel, and nut is connected with screw mandrel,
The nut is fixedly connected with inner tube, during main axis, drives said inner tube that relative movement occurs with outer tube.
Using the beneficial effects of the utility model：
Arrangement of clutch in the utility model between main shaft and transmission component adopts ball clutch, the spy of ball clutch
Point is that power is connected and disconnection is realized by ball rolling, relative to the clutch mode of traditional tooth docking, can be effective
The problem of tooth, latch is beaten in reduction, and power is more smoothed out when being connected, and service life is longer, for whole electric pushrod, allows
Thimble assembly will not produce larger impact so that thimble assembly is more steady when flexible when power is accessed or power disconnects
It is fixed.
In addition, used as wherein preferred version, the ball in ball clutch in the utility model is also equipped with self-regulation work
With so that electric pushrod in normal operation or when the motor of electric pushrod does not run, the clutch can realize fast quick-release
The clutch action put, i.e., when needing to disconnect, can realize power fast shut-off, when linking is needed, can realize quick joining, connect
It is bordering on slitless connection, fast response time.
These features of the present utility model and advantage will be detailed in following specific embodiment, accompanying drawing exposure.
【Description of the drawings】
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the partial schematic sectional view of the utility model embodiment one；
Fig. 2 is the half-section diagram of the utility model embodiment one；
Fig. 3 is the exploded perspective view of the utility model embodiment one；
Fig. 4 is exploded perspective view of the utility model embodiment one at arrangement of clutch；
Fig. 5 is the structural representation of clutch seat in the utility model embodiment one；
Fig. 6 is the structural representation of ball base in the utility model embodiment one；
Fig. 7 is the assembling schematic diagram of clutch drive component in the utility model embodiment one；
Fig. 8 is that upper casing and the structural representation after case are removed in the utility model embodiment one.
【Specific embodiment】
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and
Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model
Protection domain.
Be described below for convenience, the "left", "right" that appears below, " on ", D score is with orientation shown in Fig. 1
Define for reference.
Embodiment 1
The present embodiment is a kind of electric pushrod, is mainly used on Medical Devices, furniture item, is a kind of offer lift action
Electronic accessory, such as on lifting hospital bed, or up-down desk and chair etc., as shown in figure 1, the present embodiment includes motor
10 and the transmission component being connected of the motor 10 and the thimble assembly being connected with the transmission component, transmission component
Installed in inside the shell, the shell of the present embodiment includes upper casing 11 and lower casing 12, and motor 10 is externally provided with motor cover 13, motor cover 13 with
Lower casing 12 is fixedly mounted.During running, motor 10 is rotated, and motor 10 transmits power to thimble assembly when rotating by transmission component
On, thimble assembly realizes Telescopic, one end of thimble assembly with fixed by lifting object, so as to realize the work(of object lifting
Energy.
Such as Fig. 1 to Fig. 3, specifically, the transmission component in the present embodiment：Including the snail being located on the output shaft of motor 10
Bar 21, worm screw 21 can be found in Fig. 7, and the axial direction of worm screw 21 is vertical, and the transmission of worm screw 21 is engaged with worm gear 22, the axial direction of worm gear 22
Direction is left and right horizontal direction, and the axis centre of worm gear 22 is provided with worm gear centre bore, drive sleeve is provided with worm gear centre bore, is driven
Set periphery wall is provided with driving key, and worm gear centre bore is provided with the transmission keyway matched with the driving key, when worm gear 22 is rotated, band
Dynamic driving key is rotated, and so as to drive drive sleeve to rotate, in the present embodiment driving key is structure as a whole with drive sleeve, and on the whole two
Person forms a spline housing 23, and the transmission keyway on the present embodiment worm gear centre bore is spline 221.
During normal work, motor 10 is rotated, and drives worm screw 21 to rotate, and worm screw 21 drives worm gear 22 to rotate after rotating, worm gear
22 drive spline housing 23 to rotate when rotating.
Thimble assembly in the present embodiment：Including inner tube 51 and outer tube 52, outer tube 52 is set in outside inner tube 51, in inner tube 51
Main shaft is provided with, the main shaft of the present embodiment is screw mandrel 50, nut 53 is connected with screw mandrel 50, the nut 53 is fixed with inner tube 51 and connected
Connect, when screw mandrel 50 is rotated, nut 53 and screw mandrel 50 occur axial displacement, so as to nut 53 drives inner tube 51 relative to screw mandrel 50
Raw axial displacement, outer tube 52 is relatively fixed with the axial location of screw mandrel 50, so as to finally realize that inner tube 51 occurs phase with outer tube 52
To movement.
Be provided between main shaft described in the present embodiment and the transmission component for realize both main shaft and transmission component it
Between power linking or disconnect arrangement of clutch, be to be provided with arrangement of clutch, this enforcement between screw mandrel 50 and spline housing 23 specifically
Arrangement of clutch includes ball clutch in example.
The concrete structure of ball clutch：Including clutch seat 3 and ball base 4, wherein ball base 4 is connected with screw mandrel 50, rolling
With reference to Fig. 4 and Fig. 6, specifically, the center of ball base 4 is provided with flat position axis hole 401 to the structure of pearl seat 4, on the screw mandrel 50 wherein
One section is flat position axle with the flat form fit of position axis hole 401, and flat position axle penetrates flat position axis hole 401, and screw mandrel 50 is solid with ball base 4
Fixed connection, it is realizing by flat position axle with the interference fit of flat position axis hole 401 that this is fixedly connected in the present embodiment so that ball
Seat 4 can drive screw mandrel 50 to rotate when rotating, and the cross sectional shape of the flat position axis hole 401 in the present embodiment is not limited to Fig. 4 extremely
Shape shown in 6, as long as non-circular hole.
Three ball grooves 402 are circumferentially interval with the outer peripheral sidewall of ball base 4, three ball grooves 402 in the present embodiment
Preferably uniform intervals distribution, in each ball grooves 402 ball 43 is equipped with.Three ball grooves 402 can reach minimum number
Circumferential balance, certain those skilled in the art will be appreciated that and be not limited in other embodiments the quantity.
And clutch seat 3 is connected with spline housing 23, the center of clutch seat 3 is provided with clutch seat endoporus 301, clutch seat endoporus 301
Right-hand member be provided with shaft coupling keyway 302 with the form fit of the spline housing 23, i.e. spline housing 23 when rotating, clutch seat can be driven
3 rotate.And on clutch seat endoporus 301 in addition to shaft coupling keyway 302, it is additionally provided with the stopper slot 303 for positioning the ball 43.
Power be connected when, ball 43 is contained in stopper slot 303, i.e., clutch seat 3 rotate when, the cell wall of stopper slot 303 with
Ball 43 offsets, and ball 43 cannot be realized freely being rotated in the inner circumferential of clutch seat endoporus 301 after offseting, now ball 43 follow from
Close seat 3 to rotate together, when ball 43 is rotated, drive ball base 4 to rotate, so as to realize ball base 4 and the synchronous axial system of clutch seat 3,
It is final to realize driving the synchronous axial system of screw mandrel 50；
And power is when departing from, i.e. clutch seat 3 is turned right axial movement, and ball 43 departs from the stopper slot 303, now spacing
The cell wall of groove 303 cannot be contacted with ball 43, ineffective power between stopper slot 303 and ball 43, and ball 43 can be in clutch seat
The inner circumferential of endoporus 301 is freely rotated, and clutch seat 3 is in idling conditions, and now the unpowered access of screw mandrel 50, does not rotate.
Referring to Fig. 5, the concrete structure of clutch seat 3：The internal perisporium of clutch seat endoporus 301 is provided with internal projecting ring 304, the convex
Ring 304 is provided with the stopper slot 303, and the stopper slot 303 in the present embodiment has three, circumferentially-spaced uniform along internal projecting ring 304
And set, and above-mentioned shaft coupling keyway 302 is located just at the right side of internal projecting ring 304, can use as the axial limiting to ball.
Used as further preferably, the ball grooves 402 in the present embodiment are wedge-shaped slot, and the wedge-shaped slot is the outside of ball base 4
Wall is recessed, and the length direction of the wedge-shaped slot is the tangential direction of ball base 4, and the circumferential lengths of the ball grooves 402 are more than
The diameter of ball 43, also greater than the diameter of the ball 43, the activity of the ball 43 puts for the circumferential lengths of the stopper slot 303
In the ball grooves 402, i.e., ball 43 possesses activity space radially, circumferentially in the ball grooves 402, and this is radially, circumferentially
Activity space is aimed at for the axle center of ball base 4, and the advantage of so design is, between the center of ball 43 and ball base 4
Distance be movable adjustable, and using the feature of wedge-shaped slot, the adjustable effect is automatically adjusted, specific as follows：
When ball base 4 is just docked with clutch seat 3, when ball base 4 just starts rotation, ball 43 receives centrifugal action, from
Dynamic to be thrown to from the center farthest of ball base 4, i.e. wedge-shaped slot outermost end, now ball 43 is with the center distance of ball base 4
Maximum, ball 43 is maximum with the cell wall contact area of stopper slot 303 under the location status, and occlusion is closely good；
When ball base 4 is not in the state of rotating, ball 43 does not receive centrifugal action, and ball 43 now receives it certainly
Ghost image rings can automatically be slipped down near the center of ball base 4, i.e. wedge-shaped slot inner terminal along the ramp effect of wedge-shaped slot, now be rolled
Pearl 43 is minimum with the center distance of ball base 4, and ball 43 is with the cell wall contact area of stopper slot 303 under the location status
Minimum, be especially advantageous for ball base 4 and dock with clutch seat 3, i.e., using the automatic regulating function of wedge-shaped slot, it is right to carry out automatically in advance
The preparation for connecing so that clutch seat 3 and ball base 4 are connected state from smoothly entering into from disengaged position.
Using this preferred version, using the self-regulation effect of ball so that electric pushrod is in normal operation or electricity
When the motor of dynamic push rod is motionless, the clutch can realize the clutch action of quick release, i.e., when needing to disconnect, can realize dynamic
Power fast shut-off, when linking is needed, can realize quick joining, close to slitless connection, fast response time.
In the present embodiment, for the consideration of difficulty of processing, to ball base 4 by the way of parts processing splicing, that is, roll
Pearl seat 4 includes ball base body 41 and ball base back-up ring 42, the ball grooves of open type is first processed on ball base body 41, so
Splice a ball base back-up ring 42 in the end face of ball base body 41 afterwards, the end face of ball base back-up ring 42 is used as open type ball grooves
One of side wall, so as to form a complete ball grooves 402, this configuration reduces difficulty of processing, reduces cost.Certainly
Those skilled in the art will be appreciated that ball base 4 can also be integrative-structure.
More than it is primarily directed to being specifically described in the present embodiment ball clutch, the ball clutch in the present embodiment
Device, has an advantage in that relatively easy in structure, and without complicated architectural feature, and parts are seldom, low cost, volume also phase
To less, in addition, using the rolling characteristic of ball so that when power is connected or disconnects, smooth degree is very good, and ball is rolled
Dynamic feature so that in linking, the abrasion very little between clutch seat 3 and ball base 4, service life is greatly increased power, most
It is crucial that the ball in the present embodiment carries self-regulation effect, during clutch, quick joining can be realized, quick disconnected
Effect, fast response time.
In addition, in the present embodiment, the electric pushrod also includes being used for driving the ball clutch to separate or closing
Clutch drive component, specifically drive clutch seat 3 occur axial displacement clutch drive component.
From the point of view of Fig. 2 and Fig. 7, the concrete structure of clutch drive component includes：The periphery of the clutch seat 3 is provided with ring
Seat 61, ring seat 61 itself is fixed on upper casing 11 or lower casing 12, and the center of ring seat 61 is provided with ring seat inner chamber, clutch seat 3
In ring seat inner chamber, ring 62 is rotatably connected on ring seat 61, ring 62 is a U-shaped part, two flanks of the ring 62
It is rotatably connected on ring seat 61, the end of 62 liang of flanks of ring is extended with inwardly driving lever 621, the clutch seat 3 in the present embodiment
Periphery wall be provided with it is extending radially outward have outer bulge loop 305, two on ring 62 driving lever 621 presses close to the periphery of clutch seat 3
On wall and positioned at the left side of outer bulge loop 305；
(the first back-moving spring 24, wherein a left side for worm gear 22 are provided between the right side of clutch seat 3 and the left side of worm gear 22
End face is provided with the spring groove 222 of positioning (the first back-moving spring 24, and during normal work, (the first back-moving spring 24 is in uncompressed shape
State；
It is installed with the outer wall of outer tube 52 in brake mount 70, brake mount 70 and is provided with slip inner chamber 701, slip inner chamber
701 are provided with slide rail 702, and slide block 71, the glide direction of slide block 71 and the axial direction of outer tube 52 are slidably connected on the slide rail 702
Direction is parallel, and second back-moving spring 72, slip inner chamber are provided between the left-hand end of slide block 71 and the left side wall of slip inner chamber 701
Case 73 is installed, the left end of slide block 71 is connected with brake bracing wire 74, and the right-hand member of slide block 71 is connected with pull bar 75, draws outside 701
The right-hand member of bar 75 is fixedly connected with contiguous block 76, and the upper casing 11 and lower casing 12 are provided with the slideway slided for contiguous block 76, even
Connect block 76 and be provided with draw-in groove 761, the ring 62 is installed in the draw-in groove 761 away from one end of driving lever 621.
When bracing wire 74 of braking turn left layback it is dynamic when, the slide block 71 is accordingly turned left side shifting from home position, is now driven
Pull bar 75 is turned left side shifting, pull bar 75 turn left side shifting when, contiguous block 76 is corresponding toward moving left, and now contiguous block 76 utilizes draw-in groove
761 stir ring 62 rotates, and when ring 62 is rotated, the driving lever 621 on ring 62 offsets with the outer bulge loop 305 in clutch seat 3, pushes away
Dynamic clutch seat 3 is turned right side shifting, and (the first back-moving spring 24 is compressed, clutch seat 3 turn right side shifting when, the ball on ball base 4
43 depart from the stopper slot 303 in clutch seat 3, so as to realize that power disconnects；
And when releasing of brake bracing wire 74, by the effect of the elastic force of (the first back-moving spring 24, clutch seat 3 is subject to the first reset bullet
The thrust to the left of spring 24, realizes that clutch seat 3 is connected with the power of ball base 4 again, and slide block 71 is also by second back-moving spring 72
Effect return to home position.
The advantage of clutch drive component is in the present embodiment：Ring 62 is rotation, driving lever 621 and outer bulge loop during release
Frictional force is little between 305, and so as to reach, release force is little, the advantage of efficiency high；And be capable of achieving electric pushrod load force it is big when
In time release, and the function that midway can stop at any time, coordinate it is above-mentioned can self-regulating ball clutch, even motor is not
During rotation, it is also possible to realize that power is connected or disconnects.
Embodiment 2
The present embodiment is that the ball clutch in the present embodiment is different in structure, this reality with the difference of embodiment 1
The ball clutch in example is applied, the ball grooves in the present embodiment are used only for the spacing fixed position in ball base side wall of ball
On, i.e., circumferential position of the ball on ball base is fixed, can only realize rolling on the fixed position, similar to sliding axle
Hold, when power is connected, when circumferentially rotating, the stopper slot in clutch seat turns to corresponding with ball position clutch seat
When, ball is snapped in and achieved a butt joint in the stopper slot, advantage of this embodiment is that, ball base can directly using the cunning of ball-type
Dynamic bearing, beneficial to buying, reduces cost.
Embodiment 3
The present embodiment is that the ball clutch in the present embodiment is different in structure, this reality with the difference of embodiment 1
The ball clutch in example is applied, its ball grooves is not wedge-shaped slot, but half slot, or vee gutter, the advantage of this structure
It is no matter motor is rotated forward or inverted, ball can be got rid of outermost end to ball grooves, i.e. motor and rotate forward reversion, this reality
Apply the clutch effect in example all to smooth out very much, stablize.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, it is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited to accompanying drawing and above specific embodiment party
Content described in formula.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims
Scope in.
Claims (10)
1. transmission component and be driven with the transmission component that a kind of electric pushrod, including motor and the motor are connected
The thimble assembly of connection, it is characterised in that described sleeve pipe component includes main shaft, is provided between the main shaft and the transmission component
For realizing main shaft and the transmission component arrangement of clutch that between the two power is connected or disconnects, the arrangement of clutch include ball from
Clutch.
2. electric pushrod as claimed in claim 1, it is characterised in that the ball clutch includes：It is connected with the main shaft
Ball base and the clutch seat being connected with the transmission component, ball base is provided with ball, and it is described that the clutch seat is provided with positioning
The stopper slot of ball, when power is connected, ball is contained in stopper slot, and when power departs from, ball departs from the stopper slot.
3. electric pushrod as claimed in claim 2, it is characterised in that the week side of boss wall of the ball base is provided with the accommodating ball
Ball grooves, be enclosed within outside the clutch seat on ball base, the internal perisporium of clutch seat is provided with internal projecting ring, and the internal projecting ring is provided with institute
State stopper slot.
4. electric pushrod as claimed in claim 3, it is characterised in that the ball grooves are wedge-shaped slot, the ball is movably placed in
In the ball grooves.
5. electric pushrod as claimed in claim 2, it is characterised in that the electric pushrod is also included for driving the clutch to fill
Put the clutch drive component of separation or closure.
6. electric pushrod as claimed in claim 5, it is characterised in that the clutch drive component includes being located at the clutch seat axle
To the ring of side, when ring is struck, the clutch seat axial displacement is promoted, to realize that stopper slot is separated or right with ball
Connect.
7. electric pushrod as claimed in claim 6, it is characterised in that the clutch drive component also includes ring seat, described group
Ring is rotatably connected on ring seat, and the ring is connected with pull bar, and pull bar stress drives ring to rotate, and ring promotes institute when rotating
State clutch seat movement.
8. electric pushrod as claimed in claim 7, it is characterised in that the electric pushrod also includes brake mount, the brake mount
Slide block is inside slidably connected, described slide block one end is connected with the pull bar, and the other end is connected with brake bracing wire.
9. the electric pushrod as described in one of claim 2 to 8, it is characterised in that the transmission component includes and the motor connects
The worm screw for connecing, the worm engaging has worm gear, and the worm-drive is connected with driving key, and the clutch seat is provided with and the biography
The transmission keyway of dynamic key matching.
10. the electric pushrod as described in one of claim 1 to 8, it is characterised in that described sleeve pipe component includes inner and outer tubes,
The main shaft is screw mandrel, and nut is connected with screw mandrel, and the nut is fixedly connected with inner tube, during main axis, is driven in described
There is relative movement with outer tube in pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026703.2U CN206145016U (en) | 2016-08-31 | 2016-08-31 | Electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026703.2U CN206145016U (en) | 2016-08-31 | 2016-08-31 | Electric pushrod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206145016U true CN206145016U (en) | 2017-05-03 |
Family
ID=58619301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621026703.2U Active CN206145016U (en) | 2016-08-31 | 2016-08-31 | Electric pushrod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206145016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246752A (en) * | 2016-08-31 | 2016-12-21 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod |
| CN107314090A (en) * | 2017-07-04 | 2017-11-03 | 浙江捷昌线性驱动科技股份有限公司 | It is a kind of can bidirectional self-locking electric pushrod |
-
2016
- 2016-08-31 CN CN201621026703.2U patent/CN206145016U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246752A (en) * | 2016-08-31 | 2016-12-21 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod |
| WO2018040284A1 (en) * | 2016-08-31 | 2018-03-08 | 浙江捷昌线性驱动科技股份有限公司 | Electric pushing rod |
| CN106246752B (en) * | 2016-08-31 | 2018-12-28 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod |
| US11015686B2 (en) | 2016-08-31 | 2021-05-25 | Zhejiang Jiecang Linear Motion Technology Co., Ltd . | Electric linear actuator |
| CN107314090A (en) * | 2017-07-04 | 2017-11-03 | 浙江捷昌线性驱动科技股份有限公司 | It is a kind of can bidirectional self-locking electric pushrod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106246752B (en) | A kind of electric pushrod | |
| CN206054568U (en) | A kind of arrangement of clutch of electric pushrod | |
| CN206145016U (en) | Electric pushrod | |
| CN209408492U (en) | Steering engine and robot | |
| CN108869681A (en) | A kind of tube shaped electric machine reduction gearbox with protection mechanism | |
| CN109624956B (en) | Energy-saving braking system for wheeled robot | |
| CN213971015U (en) | Electric hammer cylinder component | |
| CN203652061U (en) | Power transmission device for reducing sliding resistance of bicycle | |
| CN205190558U (en) | Quick automatic connecting device of power transmission | |
| CN202270278U (en) | Falling protector with steering brake | |
| CN208982621U (en) | A kind of tube shaped electric machine reduction gearbox with protection mechanism | |
| CN104002921A (en) | Power transmission device capable of reducing bicycle sliding resistance | |
| CN203344640U (en) | Hub driving structure | |
| CN204125089U (en) | Safety type winch | |
| CN106059184A (en) | Motor with brake | |
| CN206188282U (en) | Electronic clothes hanger single pole abversion coiling institution that dries in air | |
| CN110054101B (en) | Electric winch | |
| CN210103347U (en) | Electric capstan | |
| CN211371063U (en) | Shaft coupling convenient to dismantle | |
| CN110433498B (en) | Ecological tourism view facility | |
| CN204239503U (en) | Flange-type triangular big swing angle is without back-up ring constant-speed sliding-end universal joint | |
| CN112296948A (en) | Electric hammer cylinder component | |
| CN202883958U (en) | Ratchet type one-way belt pulley | |
| CN205882969U (en) | Motor of band brake | |
| CN207861761U (en) | A kind of driving device of hoist engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |