CN203926710U - Linear actuating device and damping mechanism thereof - Google Patents
Linear actuating device and damping mechanism thereof Download PDFInfo
- Publication number
- CN203926710U CN203926710U CN201420368573.5U CN201420368573U CN203926710U CN 203926710 U CN203926710 U CN 203926710U CN 201420368573 U CN201420368573 U CN 201420368573U CN 203926710 U CN203926710 U CN 203926710U
- Authority
- CN
- China
- Prior art keywords
- gear
- linear actuating
- box
- damping mechanism
- actuating device
- 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
Abstract
The utility model discloses a kind of linear actuating device and damping mechanism thereof, and linear actuating device comprises gear-box, motor configuration, driving screw, telescopic pipe, Kuai Shi mechanism and damping mechanism, motor configuration connection teeth roller box; A part for driving screw is contained in another part in gear-box and protrudes out; Telescopic pipe has and the be spirally connected nut of transmission of driving screw; Kuai Shi mechanism is contained in gear-box, Kuai Shi mechanism comprises the cylinder connected element and the worm gear member that are socketed in driving screw, cylinder connected element is followed driving screw and is rotated, and worm gear member is subject to the driving of motor configuration and optionally corresponding cylinder connected element generation clutch; Damping mechanism is set in the outer periphery of driving screw and between nut and gear-box.By this, can absorb the impact force that telescopic pipe produces in fast drop course.
Description
Technical field
The utility model relates to a kind of linear actuating device, relates in particular to a kind of linear actuating device and damping mechanism thereof.
Background technique
Linear actuating device (Linear Actuator) being arranged on to the each side such as electric hospital bed, running machine, wheelchair, with the adjustment conversion of the height as position or elevation angle size, has been suitable common and be extensively accepted; Wherein in the time that sufferer is carried out to first aid process process, normally by a Kuai Shi mechanism, actuator is done to quick release, so can make sick bed do and adjust rapidly conversion, to strive for the most valuable gold rescue time, but in the process discharging fast, also because the impact that tenesmus produces fast very easily causes the possible injury of patient, how to stop prerequisite for a buffer function, the major subjects of studying for the utility model in tenesmus fast.
Present linear actuating device, mainly comprise a motor, one driving mechanism and a Kuai Shi mechanism, motor has a worm screw, and driving mechanism comprises a driving screw and be socketed on driving screw and with a worm gear of aforementioned worm meshing transmission, Kuai Shi mechanism comprises two cylinder coupling member, a cylinder coupling member is wherein fixed in driving screw and follows driving screw and rotate, another cylinder coupling member is fixed in worm gear and follows worm gear and rotate, be provided with torque drive element in the corresponding end of each cylinder coupling member, utilize the clutch between each cylinder coupling member, make driving screw transmission or disengaging transmission together with worm gear.
But, linear actuating device now, still have in actual use following problem points, because it is to install in addition a pressure rod additional on the side of linear actuating device to provide pooling feature, but an additional pressure rod will make the related manufacture cost that also makes of sick bed complex structure increase.The another impact power producing under the effect of gravity accleration, the load often all can bear much larger than pressure rod, not only easily allows pressure rod produce and damages, and is short of again thoroughly for the protection of sufferer, and is urgently overcome solution.
Model utility content
An object of the present utility model, is to provide a kind of linear actuating device and damping mechanism thereof, and it can absorb the impact force that telescopic pipe produces in fast drop course.
For reaching above-mentioned purpose, the utility model provides a kind of linear actuating device, and it comprises:
One gear-box;
One motor configuration, connects this gear-box;
One driving screw, a part is contained in this gear-box, and another part protrudes out the outside of this gear-box;
One telescopic pipe, has and a be spirally connected nut of transmission of this driving screw;
One Kuai Shi mechanism, be contained in this gear-box, Gai Kuaishi mechanism comprises a cylinder connected element that is socketed in this driving screw and a worm gear member that is formed on this cylinder connected element side, this cylinder connected element is followed this driving screw and is rotated, this worm gear member be subject to this motor configuration driving and can be to producing clutch by cylinder connected element; And
One damping mechanism, is set in the outer periphery of this driving screw and between this nut and this gear-box.
Above-mentioned linear actuating device, wherein this damping mechanism comprises a helical spring, this helical spring is the formation of being reeled with plate.
Above-mentioned linear actuating device, wherein this damping mechanism more comprises one first limited ring, this helical spring one end cross-under is in this first limited ring.
Above-mentioned linear actuating device, wherein this damping mechanism more comprises one second limited ring, and this gear-box is formed with a birdsmouth, and this second limited ring is fixed in this birdsmouth, and this helical spring the other end is contained in this second limited ring.
Above-mentioned linear actuating device, wherein the internal face of this birdsmouth is provided with a caulking groove, and the outer periphery of this second limited ring protrude out a flange that embeds this caulking groove.
Above-mentioned linear actuating device, wherein the side face of this first limited ring has protruded out multiple pins, is provided with a socket at the mobile route that is parallel to this telescopic pipe, and respectively this pin is to pegging graft by socket.
Above-mentioned linear actuating device, wherein this telescopic pipe more comprises one shock-resistant, and this shock-resistant is fixed on this nut on the end face of this first limited ring.
Above-mentioned linear actuating device, wherein this worm gear member comprises a clutch section, the certainly axially extended section of being pushed away of this clutch section and the axially extended gear segment of this section of being pushed away certainly, this clutch section is to should the combination of cylinder connected element, this motor configuration comprises a motor, a worm screw is extended at the center of this motor, and this gear segment is subject to this worm drive.
Above-mentioned linear actuating device, wherein more comprise and pull drawing mechanism, this is pulled drawing mechanism and comprises a trigger piece and a rod assembly, this trigger piece is articulated in this gear-box, this trigger piece is extended with one group of moving arm, respectively this moving arm supports and is attached to this section of being pushed away side respectively, this motor configuration comprises clamshell on, this rod assembly is arranged on clamshell on this, this rod assembly comprises a pull bar, is fixed on a moving block and a Returnning spring of this pull bar, this moving block is socketed this trigger piece, and this Returnning spring is socketed this pull bar and elastic clip and pulls on this between clamshell and this moving block.
Above-mentioned linear actuating device, wherein Gai Kuaishi mechanism more comprises a Compress Spring, a collar and a radial bearing, one end of this Compress Spring is socketed in this worm gear member, and the other end of this Compress Spring is contained in this collar, and the end face of this radial bearing is connected to this collar side.
For reaching above-mentioned purpose, the utility model also provides a kind of damping mechanism of linear actuating device, wherein said linear actuating device comprises: a gear-box, a driving screw and a telescopic pipe, described telescopic pipe has and a be spirally connected nut of transmission of described driving screw, and this damping mechanism is set in the outer periphery of described driving screw and between described nut and described gear-box.
The damping mechanism of above-mentioned linear actuating device, wherein this damping mechanism comprises a helical spring, this helical spring is the formation of being reeled with sheet material.
The damping mechanism of above-mentioned linear actuating device, wherein this damping mechanism more comprises one first limited ring, this helical spring one end cross-under is in this first limited ring.
The damping mechanism of above-mentioned linear actuating device, wherein this damping mechanism more comprises one second limited ring, and this second limited ring is fixed in described gear-box, and this helical spring the other end is contained in this second limited ring.
The damping mechanism of above-mentioned linear actuating device, wherein said gear-box is provided with a caulking groove, protrudes out a flange that embeds described caulking groove in the outer periphery of this second limited ring.
The damping mechanism of above-mentioned linear actuating device, wherein the side face of this first limited ring has protruded out multiple pins, is provided with a socket at the mobile route that is parallel to described telescopic pipe, and respectively this pin is to pegging graft by socket.
The utility model also has following effect, and the helical spring that utilizes plate to be wound into has larger axial strength and bears various different big or small loads.By the setting of the first limited ring and pin, not only can be stable fixing is carried out in helical spring one end, to make helical spring not produce the radial deflection power that withstands shocks, and then can prevent helical spring because the deformed damaged that not positive active force produces.Utilize the second limited ring to be fixed in the birdsmouth of gear-box, can provide helical spring not produce displacement using the restriction as axial.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Brief description of the drawings
The combination schematic diagram of Fig. 1 the utility model linear actuating device;
The three-dimensional exploded view of Fig. 2 outer tube of the present utility model, damping mechanism and driving screw;
The three-dimensional exploded view of Fig. 3 motor configuration of the present utility model, gear-box and driving screw;
The three-dimensional exploded view of Fig. 4 Kuai Shi of the present utility model mechanism;
The assembled sectional view of Fig. 5 Kuai Shi of the present utility model mechanism and driving screw;
The assembled sectional view of Fig. 6 the utility model linear actuating device;
The use state sectional view of Fig. 7 the utility model linear actuating device.
Wherein, reference character
The utility model
10 ... gear-box
11 ... left shell
12 ... right shell body
13 ... birdsmouth
131 ... caulking groove
14 ... groove
15 ... pin joint seat
20 ... motor configuration
21 ... lower clamshell
22 ... motor
221 ... worm screw
23 ... upper clamshell
30 ... driving screw
301 ... positioning section
31 ... fore bearing
32 ... rear bearing
40 ... telescopic pipe
41 ... interior tube body
42 ... nut
421 ... guide block
43 ... shock-resistant
50 ... Kuai Shi mechanism
51 ... cylinder connected element
511 ... positioning hole
512 ... protruding key
52 ... worm gear member
521 ... clutch section
522 ... the section of being pushed away
523 ... gear segment
524 ... keyway
53 ... Compress Spring
54 ... the collar
55 ... radial bearing
60 ... buffer structure
61 ... helical spring
62 ... the first limited ring
621 ... pin
63 ... the second limited ring
631 ... flange
64 ... socket
70 ... outer tube body
701 ... guide groove
80 ... pull drawing mechanism
81 ... trigger piece
811 ... moving arm
82 ... rod assembly
821 ... pull bar
822 ... moving block
823 ... Returnning spring
90 ... rear support
95 ... front bearing
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate brief description of the drawings as follows, but appended accompanying drawing only provides reference and explanation use, is not used for the utility model to be limited.
Refer to shown in Fig. 1 to Fig. 6, the utility model provides a kind of linear actuating device and damping mechanism thereof, and wherein linear actuating device mainly comprises a gear-box 10, a motor configuration 20, a driving screw 30, a telescopic pipe 40, a Kuai Shi mechanism 50 and a buffer structure 60.
The gear-box 10 disclosing at Fig. 3 mainly comprises a left shell 11 and corresponding left shell 11 covers the right shell body 12 closing, it is circular-arc that each housing 11,12 is all half, use by bolting element groups such as screws and be connected into a hollow cylindrical body, be formed with a birdsmouth 13 in the front side of gear-box 10, and be provided with a caulking groove 131 at the internal face of birdsmouth 13; Separately offer respectively a groove 14 and be formed with a pin joint seat 15 at the edge of groove 14 at the opposite position of each housing 11,12.
Hold, motor configuration 20 mainly comprises clamshell 23 on clamshell 21, a motor 22 and, motor 22 is contained in lower clamshell 21, and extend a worm screw 221 from motor 22 center, the corresponding lower clamshell 21 cover merging of upper clamshell 23 are coated and fixed aforesaid gear-box 10, can carry out group to lower clamshell 21 and upper clamshell 23 by bolting elements such as screws connects, wherein worm screw 221 is to extend into gear-box 10 inside, motor 22 the running by its inner magnetic pole, coil and electric current etc. to make worm screw 221 can produce the rotation of positive and negative direction.
Driving screw 30 in Fig. 3, Fig. 5 and Fig. 6 announcement is formed in gear-box 10 back segment region by the supporting of a fore bearing 31 and a rear bearing 32, the remaining part of driving screw 30 protrudes out the outside of gear-box 10, this driving screw 30 is a non-self-locking performance driving screw, be be limited and can not produce when rotation when telescopic pipe 40, be subject at telescopic pipe 40 under the effect of end thrust or pressure, to make driving screw 30 rotate freely with respect to telescopic pipe 40, to make telescopic pipe 40 produce linear displacement.Separately be provided with a positioning section 301 (seeing Fig. 2) in the thread end of driving screw 30, this positioning section 301 has two planes that are parallel to each other.
The telescopic pipe 40 disclosing at Fig. 2 comprises an interior tube body 41 and is fixed on a nut 42 of interior tube body 41 ends, wherein interior tube body 41 is the outer periphery that are set in driving screw 30, nut 42 is and the transmission that is mutually spirally connected of aforesaid driving screw 30, because nut 42 is made with materials such as plastic-steels (P.O.M), therefore telescopic pipe 40 more comprises one shock-resistant 43, it is made with intensity and all high metallic material of hardness, and shock-resistant 43 is fixed on the end face of nut 42 away from interior tube body 41.
Kuai Shi mechanism 50 in Fig. 4, Fig. 5 and Fig. 6 announcement is contained in gear-box 10, and it comprises a cylinder connected element 51 and a worm gear member 52, cylinder connected element 51 is socketed in driving screw 30, worm gear member 52 is also socketed in driving screw 30 and is formed on a side of cylinder connected element 51, be formed with a positioning hole 511 at cylinder connected element 51 center, this positioning hole 511 is to be socketed corresponding to the positioning section 301 of aforementioned driving screw 30, rotates thereby make cylinder connected element 51 can follow driving screw 30.Separately be extended with multiple protruding keys 512 at the outer periphery interval of cylinder connected element 51, worm gear member 52 comprises a clutch section 521, from the axially extended section of being pushed away 522 of clutch section 521 and the axially extended gear segment 523 of the section of being pushed away 522 certainly, wherein gear segment 523 is intermeshing and driven with aforementioned worm screw 221, clutch section 521 inside are provided with the multiple keyways 524 that embed for aforementioned each protruding key 512, thereby make optionally corresponding cylinder connected element 51 generation separation or chimeric of worm gear member 52.
Hold, Kuai Shi mechanism 50 also comprises a Compress Spring 53, the collar 54 and a radial bearing 55, one end of Compress Spring 53 is socketed in worm gear member 52, the other end of Compress Spring 53 is contained in the collar 54,55 of radial bearings are pulled between aforesaid rear bearing 32 and the collar 54 by folder, and radial bearing 55 is to provide Compress Spring 53, the collar 54 and follows the smoothness of worm gear member 52 while rotating.
The damping mechanism 60 disclosing at Fig. 2 and Fig. 6 is set in the outer periphery of driving screw 30 and between nut 42 and gear-box 10.Damping mechanism 60 comprises a helical spring 61, one first limited ring 62 and one second limited ring 63, helical spring 61 is the formation of being reeled of en plaque tool steel, and the face of deciding what is right and what is wrong of this plate is a rectangle, one end cross-under of helical spring 61 is in the first limited ring 62, the side face of the first limited ring 62 has outwards protruded out two pins 621, be provided with a socket 64 at the mobile route that is parallel to telescopic pipe 40, aforementioned pin 621 is pegged graft corresponding to socket 64, use and provide helical spring 61 not produce beat using the restriction as radially, aforesaid shock-resistant 43 is to be fixed on nut 42 ends towards the direction of the first limited ring 62.The other end of helical spring 61 is contained in the second limited ring 63, the second limited ring 63 is fixed in the birdsmouth 13 of aforesaid gears case 10, and protruding out a flange 631 that embeds aforementioned caulking groove 131 in the outer periphery of the second limited ring 63, this second limited ring 63 is mainly to provide helical spring 61 not produce displacement using the restriction as axial.
Disclose at Fig. 2 and Fig. 6, linear actuating device of the present utility model more comprises an outer tube body 70, this outer tube body 70 is sheathed along the outer periphery of driving screw 30, and one end of outer tube body 70 is with the mutual butt of aforesaid gear-box 10 and is coated and fixed by lower clamshell 21 and upper clamshell 23, aforementioned telescopic pipe 35 cross-under are in outer tube body 70 inside, and by being provided with multiple guide grooves 701 at outer tube body 70 inwalls and protruding out chimeric with each guide groove 701 respectively multiple guide blocks 421 at the outer circumferential face of nut 42, move thereby make telescopic pipe 35 only can do axial linear with respect to outer tube body 70.
Disclose at Fig. 3, linear actuating device of the present utility model more comprises pulls drawing mechanism 80, this pulls drawing mechanism 80 and mainly comprises a trigger piece 81 and a rod assembly 82, wherein trigger piece 81 is a U font, wear the each pin joint seat 15 that is articulated in aforesaid gears case 10 by elements such as bolts, at the opening end of the trigger piece 81 a pair of moving arm 811 that extended internally, this is to stretch into gear-box 10 inside corresponding to aforementioned groove 14 to moving arm 811, and moving arm 811 supports the section of being pushed away 522 endface position (seeing Fig. 6) that are attached to aforementioned worm gear member 52.Rod assembly 82 is arranged on the upper clamshell 23 of motor configuration 20, and it mainly comprises a pull bar 821, is fixed on a moving block 822 and a Returnning spring 823 on pull bar 821, clamshell 23 in pull bar 821 cross-under, 822 sockets of the closed end corresponding to trigger piece 81 of moving block, 823 elastic clips of Returnning spring are pulled between the internal face and moving block 822 of upper clamshell 23.
Disclose at Fig. 3 and Fig. 7, linear actuating device of the present utility model more comprises a rear support 90 and a front bearing 95, rear support 90 is sheathed rear bearings 32 fixing by each housing 11,12 of gear-box 10, and front bearing 95 is socketed in the end of telescopic pipe 40 away from nut 42.
Refer to shown in Fig. 6, when operation, be that rear support 90 and front bearing 95 are separately fixed on one electric hospital bed (scheming not shown), utilizing the rotation of worm screw 221 to order about worm gear member 52 rotates, and drive driving screw 30 to rotate with worm gear member 52, because telescopic pipe 40 is by outer tube body 70 limit of arresting, in the process of therefore rotating at driving screw 30, telescopic pipe 40 will produce axial Linear-moving with respect to driving screw 30, and then makes electric hospital bed leading portion produce the action of steeving.
Refer to shown in Fig. 7, in the time that sufferer must the action such as shock by electricity in the mode of lying low in first aid process, pull pull bar 821 to make moving block 822 drive trigger piece 81, trigger piece 81 will be taking pin joint seat 15 anticlockwise turn as rotating center produces, now each moving arm 811 will promote worm gear member 52 towards moving away from the direction of cylinder connected element 51, discharge to make the protruding key 512 of cylinder connected element 51 and the keyway of worm gear member 52 524 produce to depart from, utilize own wt or the medical care personnel of sufferer to exert pressure to electric hospital bed leading portion, telescopic pipe 40 is bearing after aforesaid pressure, military order driving screw 30 produces fast rotary and transfers in retraction outer tube body 70, directly impact at the first limited ring 62 with shock-resistant 43, and with elastic acting force and the restoring force of helical spring 61, absorb telescopic pipe 40 and the impact force of nut 42 in the time of fast-descending.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (16)
1. a linear actuating device, is characterized in that, comprising:
One gear-box;
One motor configuration, connects this gear-box;
One driving screw, a part is contained in this gear-box, and another part protrudes out the outside of this gear-box;
One telescopic pipe, has and a be spirally connected nut of transmission of this driving screw;
One Kuai Shi mechanism, be contained in this gear-box, Gai Kuaishi mechanism comprises a cylinder connected element that is socketed in this driving screw and a worm gear member that is formed on this cylinder connected element side, this cylinder connected element is followed this driving screw and is rotated, this worm gear member be subject to this motor configuration driving and can be to producing clutch by cylinder connected element; And
One damping mechanism, is set in the outer periphery of this driving screw and between this nut and this gear-box.
2. linear actuating device according to claim 1, is characterized in that, this damping mechanism comprises a helical spring, and this helical spring is the formation of being reeled with plate.
3. linear actuating device according to claim 2, is characterized in that, this damping mechanism more comprises one first limited ring, and this helical spring one end cross-under is in this first limited ring.
4. linear actuating device according to claim 3, it is characterized in that, this damping mechanism more comprises one second limited ring, and this gear-box is formed with a birdsmouth, this second limited ring is fixed in this birdsmouth, and this helical spring the other end is contained in this second limited ring.
5. linear actuating device according to claim 4, is characterized in that, the internal face of this birdsmouth is provided with a caulking groove, and the outer periphery of this second limited ring protrude out a flange that embeds this caulking groove.
6. linear actuating device according to claim 3, is characterized in that, the side face of this first limited ring has protruded out multiple pins, is provided with a socket at the mobile route that is parallel to this telescopic pipe, and respectively this pin is to pegging graft by socket.
7. linear actuating device according to claim 3, is characterized in that, this telescopic pipe more comprises one shock-resistant, and this shock-resistant is fixed on this nut on the end face of this first limited ring.
8. linear actuating device according to claim 1, it is characterized in that, this worm gear member comprises a clutch section, the certainly axially extended section of being pushed away of this clutch section and the axially extended gear segment of this section of being pushed away certainly, this clutch section is to should the combination of cylinder connected element, this motor configuration comprises a motor, a worm screw is extended at the center of this motor, and this gear segment is subject to this worm drive.
9. linear actuating device according to claim 8, it is characterized in that, more comprise and pull drawing mechanism, this is pulled drawing mechanism and comprises a trigger piece and a rod assembly, this trigger piece is articulated in this gear-box, this trigger piece is extended with one group of moving arm, respectively this moving arm supports and is attached to this section of being pushed away side respectively, this motor configuration comprises clamshell on, this rod assembly is arranged on clamshell on this, this rod assembly comprises a pull bar, be fixed on a moving block and a Returnning spring of this pull bar, this moving block is socketed this trigger piece, this Returnning spring is socketed this pull bar and elastic clip and pulls on this between clamshell and this moving block.
10. linear actuating device according to claim 1, it is characterized in that, Gai Kuaishi mechanism more comprises a Compress Spring, a collar and a radial bearing, one end of this Compress Spring is socketed in this worm gear member, the other end of this Compress Spring is contained in this collar, and the end face of this radial bearing is connected to this collar side.
The damping mechanism of 11. 1 kinds of linear actuating devices, it is characterized in that, described linear actuating device comprises: a gear-box, a driving screw and a telescopic pipe, described telescopic pipe has and a be spirally connected nut of transmission of described driving screw, and this damping mechanism is set in the outer periphery of described driving screw and between described nut and described gear-box.
The damping mechanism of 12. linear actuating devices according to claim 11, is characterized in that, this damping mechanism comprises a helical spring, and this helical spring is the formation of being reeled with sheet material.
The damping mechanism of 13. linear actuating devices according to claim 12, is characterized in that, this damping mechanism more comprises one first limited ring, and this helical spring one end cross-under is in this first limited ring.
The damping mechanism of 14. linear actuating devices according to claim 13, is characterized in that, this damping mechanism more comprises one second limited ring, and this second limited ring is fixed in described gear-box, and this helical spring the other end is contained in this second limited ring.
The damping mechanism of 15. linear actuating devices according to claim 14, is characterized in that, described gear-box is provided with a caulking groove, protrudes out a flange that embeds described caulking groove in the outer periphery of this second limited ring.
The damping mechanism of 16. linear actuating devices according to claim 13, is characterized in that, the side face of this first limited ring has protruded out multiple pins, is provided with a socket at the mobile route that is parallel to described telescopic pipe, and respectively this pin is to pegging graft by socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368573.5U CN203926710U (en) | 2014-07-04 | 2014-07-04 | Linear actuating device and damping mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368573.5U CN203926710U (en) | 2014-07-04 | 2014-07-04 | Linear actuating device and damping mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926710U true CN203926710U (en) | 2014-11-05 |
Family
ID=51822521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368573.5U Active CN203926710U (en) | 2014-07-04 | 2014-07-04 | Linear actuating device and damping mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276148A (en) * | 2014-07-04 | 2016-01-27 | 第一传动科技股份有限公司 | Linear actuating device and buffering mechanism thereof |
| CN107110313A (en) * | 2014-12-22 | 2017-08-29 | 索尤若驱动有限及两合公司 | The lead screw gear for the feed screw nut being connected is acted on housing, leading screw and with leading screw |
-
2014
- 2014-07-04 CN CN201420368573.5U patent/CN203926710U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276148A (en) * | 2014-07-04 | 2016-01-27 | 第一传动科技股份有限公司 | Linear actuating device and buffering mechanism thereof |
| CN105276148B (en) * | 2014-07-04 | 2018-02-27 | 第一传动科技股份有限公司 | Linear actuating device and its buffer gear |
| CN107110313A (en) * | 2014-12-22 | 2017-08-29 | 索尤若驱动有限及两合公司 | The lead screw gear for the feed screw nut being connected is acted on housing, leading screw and with leading screw |
| CN107110313B (en) * | 2014-12-22 | 2019-11-29 | 索尤若驱动有限及两合公司 | Lead screw gear with shell, lead screw and the feed screw nut connected with lead screw effect |
| US10808812B2 (en) | 2014-12-22 | 2020-10-20 | Sew-Eurodrive Gmbh & Co. Kg | Spindle drive having a housing, a spindle, and a spindle nut that is operatively connected to the spindle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104132092B (en) | Electric cylinder with buffer structure | |
| CN203285907U (en) | Electric cylinder with buffer structure | |
| DE102013106000B4 (en) | Drive with quick-release mechanism | |
| US9677651B2 (en) | Linear actuator | |
| DE102017126570B4 (en) | MOTION CONVERSION MECHANISM AND ELECTRIC BRAKE ACTUATOR USING SAME | |
| US9685838B2 (en) | Electromechanical actuator | |
| CN203926710U (en) | Linear actuating device and damping mechanism thereof | |
| US10090730B2 (en) | Linear actuator | |
| DE102015108303A1 (en) | Actuator and vehicle steering device | |
| CN109624956B (en) | Energy-saving braking system for wheeled robot | |
| CN201979132U (en) | Hand-operated feeding device for aperture processing | |
| DE102012213365A1 (en) | Exoskeleton for connection to lower extremities of person, has drive unit formed as piezo-driven motor and hinge bearing of artificial joint is connected with drive shaft of piezo-driven motor, where hinge bearing is attached in supports | |
| US10830284B2 (en) | Reduction gearbox transmission separation mechanism | |
| CN108177371A (en) | A kind of pop can recycling decompressor | |
| EP2545994A1 (en) | Arrangement for a roller mill | |
| CN105276148B (en) | Linear actuating device and its buffer gear | |
| CN204344839U (en) | A kind of transmission case of axial reciprocating output movement | |
| JP2017005826A (en) | Linear actuator | |
| CN208479364U (en) | Motor mould group with screw rod protective jacket | |
| CN106286641A (en) | A kind of rotary type lamellar structure brake | |
| CN207490669U (en) | Linear actuators and its Buffer Unit | |
| RU2615913C1 (en) | Loading device | |
| CN113187826B (en) | Clutch device and movable medical instrument | |
| WO2016000719A1 (en) | Compact linear actuator | |
| JP2018207611A (en) | Linear actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |