CN206263950U - A kind of spiral expanding mechanism - Google Patents
A kind of spiral expanding mechanism Download PDFInfo
- Publication number
- CN206263950U CN206263950U CN201621371580.6U CN201621371580U CN206263950U CN 206263950 U CN206263950 U CN 206263950U CN 201621371580 U CN201621371580 U CN 201621371580U CN 206263950 U CN206263950 U CN 206263950U
- Authority
- CN
- China
- Prior art keywords
- screw mandrel
- retractor device
- nut
- protuberance
- prime
- 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
- Types And Forms Of Lifts (AREA)
Abstract
The utility model provides a kind of spiral expanding mechanism, including drive mechanism, some grades of retractor devices, and the retractor device includes screw mandrel, nut, the nut sleeve is on screw mandrel, the drive mechanism drives the screw mandrel of first order retractor device to rotate, and when screw mandrel is rotated, nut can be moved on screw mandrel；The screw rod bushing of rear class retractor device is outside the screw mandrel of prime retractor device and is connected thereto, and drives rear class retractor device screw mandrel to rotate when prime retractor device screw mandrel is rotated；There is protuberance on the nut of prime retractor device, there is the projection being engaged with protuberance on the screw mandrel of rear class retractor device；When protruding, the nut of prime retractor device promotes the translation of rear class retractor device, and during to contract, the protuberance of prime retractor device pulls rear class retractor device to translate by raised.The utility model is driven using multiple coil, and the length of demand can be elongated in the confined space, is realized flexible in order.
Description
Technical field
The utility model belongs to Robot Design field, is related to a kind of spiral expanding mechanism.
Background technology
When being patrolled and examined, its fuselage can not be accurate to up to all positions crusing robot, especially for some machines
The robot that body can only stretch in upper next dimension, when it detects target has a certain distance with its detection sensor, needs
Wanting sensor can move forward and backward, to improve homework precision.
Chinese invention patent document CN102235840A《A kind of Ju Ba robots jacking system》Elaborate that one kind uses bullet
The jacking system of reed pipe prepared material, its positioning method is positioned for switch, and catch bar and relay type column interact and complete elevating function,
Or this kind of device is applicable being risen with target during target practice, or the application scenarios packed up, target lighter weight is using mutual
The bourdon tube saw lumber being nested with can meet corresponding demand.This kind of scheme is not suitable for continuously being lifted by central controller controls
Application scenarios, while being difficult to ensure that the stability of elevating mechanism in heavier loads.
Chinese invention patent application CN104942826A《A kind of robot lowering or hoisting gear and elevating method》In disclose one
The robot lifting scheme that grade slide rail is added using drawstring is planted, it is higher to drawstring requirement to lift step by step when the device is lifted, it is non-
Often it is practically applicable to relatively large robot, robot its stability larger for small-sized distance of stretch out and draw back can reduce, additionally, the invention
Patent application uses lifting rope, drawstring both to be used as lifting power transmission, is also the head-rope of each cursor slide, is lifting
Journey, drawstring is easily rocked so that robot lifting is not reliable enough.
The content of the invention
To solve the problems, such as prior art, the utility model provides a kind of spiral expanding mechanism, using multiple coil
Transmission, can be elongated to the length of demand in the confined space, realize flexible in order.
The spiral expanding mechanism that the utility model is provided, including drive mechanism, some grades of retractor devices, the retractor device bag
Screw mandrel, nut are included, on screw mandrel, the drive mechanism drives the screw mandrel of first order retractor device to rotate to the nut sleeve, works as silk
When bar is rotated, nut can be moved on screw mandrel；The screw rod bushing of rear class retractor device outside the screw mandrel of prime retractor device and with
Its connection, drives rear class retractor device screw mandrel to rotate when prime retractor device screw mandrel is rotated；Have on the nut of prime retractor device
There is protuberance, there is the projection being engaged with protuberance on the screw mandrel of rear class retractor device；When protruding, prime retractor device
Nut promotes the translation of rear class retractor device, and during to contract, the protuberance of prime retractor device pulls rear class to stretch by raised
Device is translated.
The utility model, using worm drive principle, carries out multiple coil transmission using nested structure step by step, can have
The length of needs is elongated in limit space, realizes stretching in order, with larger telescopic extensions in small space, compact conformation,
Small volume.When stretching out, the nut of prime lowering or hoisting gear promotes rear class retractor device to be translated along the screw mandrel of prime lowering or hoisting gear, shrinks
When, because the protuberance of prime lowering or hoisting gear is engaged with the projection of rear class lowering or hoisting gear, when prime lowering or hoisting gear nut is moved, dash forward
Go out portion to move in the lump therewith, be engaged with projection based on protuberance, protuberance pulls the translation of rear class lowering or hoisting gear, realize shrinking.For
Protuberance is facilitated to be engaged with raised, protuberance, raised section are L-shaped.
Projection, draw-in groove that rear class retractor device screw mandrel of the present utility model passes through mutual cooperation with prime retractor device screw mandrel
Connection, the projection is arranged on the inner surface of rear class retractor device screw mandrel, and draw-in groove is arranged on the outer surface of prime retractor device screw mandrel,
In the projection insertion draw-in groove.Projection coordinates the connection on the one hand realizing two-stage retractor device screw mandrel with draw-in groove, realizes that power is passed
Pass, another side does not influence the translation of retractor device, by projection and the draw-in groove related screw mandrel of connection, realize that power is transmitted so that this
Utility model only needs a drive mechanism to be capable of achieving multiple drive power, without providing single power for every one-level retractor device
Mechanism, greatlys save resource, simplifies device structure.
Retractor device of the present utility model also includes outer shell, and the outer shell is connected with nut, wherein, afterbody stretches
The outer shell of device is enclosed within outside this grade of retractor device screw mandrel, and the outer shell of prime retractor device is enclosed within outside rear class retractor device, outward
The setting of sheath body, advantageously ensures that the relative stability of retractor devices at different levels, while, it is ensured that rectilinear movement.Outer shell and nut
Rotate together, translate, correspondingly, protuberance is arranged on has same effect on outer shell.
Preferably, the utility model also includes guide rail and the sliding block on guide rail, the overcoat of first order retractor device
Shell is arranged on sliding block, the entirety that retractor devices at different levels are constituted can be moved by guide rail slide block.
The utility model also includes tail level screw mandrel, and the tail level screw rod bushing, should outside the screw mandrel of afterbody retractor device
Projection is also equipped with tail level screw mandrel, the projection is engaged with the protuberance of afterbody retractor device.Can be installed on tail level screw mandrel
The parts such as video camera.Tail level screw mandrel can also be designed to the form with retractor device screw mandrel synchronous axial system, i.e. tail level screw mandrel
Inner surface setting is raised, and supporting draw-in groove is designed in the outer surface of afterbody retractor device.Tail level screw mandrel can also set outer
Sheath body, the outer shell is close to tail level screw mandrel and is set, and the outer shell of afterbody retractor device is enclosed within outside the outer shell of tail level screw mandrel.
Preferably, the drive device includes motor and gear train, and the motor-driven gear group is rotated, the gear train
First order retractor device screw mandrel is driven to rotate.
The utility model also provides a kind of spiral expanding mechanism, including drive mechanism, also including screw mandrel, nut, foot piece, institute
Nut sleeve is stated on screw mandrel, the foot piece is enclosed within outside the screw mandrel, there is protuberance on the nut, had on the foot piece
The projection being engaged with the protuberance；The drive mechanism drives the screw mandrel to rotate, and when screw mandrel is rotated, nut is on screw mandrel
Mobile, when protruding, nut promotes foot piece translation, and during to contract, the protuberance on nut pulls foot piece to put down by raised
Move.The foot piece is also connected with screw mandrel, and the outer surface of screw mandrel is provided with draw-in groove, and the inner surface setting of foot piece has projection, described convex
In block insertion draw-in groove.
The utility model is realized stretching orderlyly by the way of multiple coil cylinder is advanced step by step, makes it in small space
It is interior to realize and the elongation for meeting demand is completed in the confined space with larger telescopic extensions, the utility model compact conformation,
Light weight, linkage telescopic step by step, meet the telescoping mechanism required in specific product application have compact conformation, small volume, can
The requirement of the length of demand is elongated in the confined space.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model dimensional structure diagram.
In figure：1st, gear train, 2, internal layer screw mandrel, 3, internal layer nut, 4, second layer screw mandrel, 5, second layer nut, the 6, the 3rd
Layer screw mandrel, 8, second layer projection, 9, third layer projection, 10, second layer outer shell, 11, internal layer outer shell, 12, sliding block, 13, electricity
Machine, 14, guide rail, 15, third layer outer shell；16th, third layer screw mandrel is raised；17th, second layer screw mandrel is raised；18th, internal layer protuberance；
19th, second layer protuberance.
Specific embodiment
The spiral expanding mechanism that the utility model is provided, including drive mechanism, some grades of retractor devices, the retractor device bag
Screw mandrel, nut are included, on screw mandrel, the drive mechanism drives the screw mandrel of first order retractor device to rotate to the nut sleeve, works as silk
When bar is rotated, nut can be moved on screw mandrel；The screw rod bushing of rear class retractor device outside the screw mandrel of prime retractor device and with
Its connection, drives rear class retractor device screw mandrel to rotate when prime retractor device screw mandrel is rotated；Have on the nut of prime retractor device
There is protuberance, there is the projection being engaged with protuberance on the screw mandrel of rear class retractor device；When protruding, prime retractor device
Nut promotes the translation of rear class retractor device, and during to contract, the protuberance of prime retractor device pulls rear class to stretch by raised
Device is translated.
As shown in Figure 1, 2, the spiral expanding mechanism for being shown in figure is flexible for three-level, and the spiral expanding mechanism is included by motor
13rd, the drive mechanism of the composition of gear train 1, first order retractor device, second level retractor device and third layer screw mandrel 6, sliding block 12, leads
Rail 14.First order retractor device includes internal layer screw mandrel 2, internal layer nut 3, internal layer outer shell 11, and internal layer nut 3 is enclosed within internal layer screw mandrel
On 2, internal layer outer shell 11 is connected with internal layer nut 3, and internal layer outer shell 11 is enclosed within outside internal layer screw mandrel 2, same with internal layer screw mandrel 2
Axle.Second level retractor device includes second layer screw mandrel 4, second layer nut 5, second layer outer shell 10, and second layer nut 5 is enclosed within the
On two layers of screw mandrel 4, second layer outer shell 10 is enclosed within outside second layer screw mandrel 4, coaxial with second layer screw mandrel 4.It can be seen that
Second layer screw mandrel 4 is enclosed within outside internal layer screw mandrel 2, coaxial with internal layer screw mandrel 2, and internal layer screw mandrel 2 is convex by the second layer with second layer screw mandrel 4
Block 8, the connection of internal layer draw-in groove (not shown), second layer projection 8 are arranged on the inner surface of second layer screw mandrel 4, and internal layer draw-in groove is opened
In the outer surface of internal layer screw mandrel 2, second layer projection 8 is inserted in internal layer draw-in groove；Third layer screw mandrel 6 is enclosed within outside second layer screw mandrel 4, with
Second layer screw mandrel 4 is coaxial, and second layer screw mandrel 4 (is not shown with second layer draw-in groove by third layer projection 9 with third layer screw mandrel 6 in figure
Go out) connect, third layer projection 9 is inserted in second layer draw-in groove.It can be seen that internal layer screw mandrel, second layer screw mandrel, third layer
Screw mandrel is all cylindrical shape, convenient nested.Third layer outer shell 15 is co-axially located at the three layers of outside of screw mandrel 6 in ground, can be with from figure
Find out, internal layer outer shell 11 is enclosed within outside second layer outer shell 10, second layer outer shell 10 is enclosed within outside third layer outer shell 15,
Internal layer outer shell 11 is arranged on sliding block 12, and sliding block 12 can be slided along guide rail 14.First order retractor device is also protruded including internal layer
Portion 18, internal layer protuberance 18 can be arranged on internal layer nut 3, it is also possible to be arranged on internal layer outer shell 11, second layer screw mandrel
Front end is provided with second layer screw mandrel projection 17, and internal layer protuberance 18 is engaged with second layer screw mandrel raised 17, second level retractor device
Also include second layer protuberance 19, the front end of third layer screw mandrel 6 is provided with third layer screw mandrel projection 16, second layer protuberance 19 with
Third layer screw mandrel raised 16 is engaged.It should be noted that because third layer screw mandrel need not again promote other screw mandrels to translate, institute
With, nut is not provided with third layer screw mandrel, therefore, third layer screw mandrel can use the common cylindric body of rod to replace, meanwhile, third layer
Screw mandrel can not also be rotated, i.e. third layer screw mandrel is no longer connected with second layer leading screw by projection, draw-in groove, certainly, from effect
For on fruit, third layer screw mandrel is still connected with second layer screw mandrel and is advisable, and synchronous axial system avoids interference with failure.
Drive mechanism includes motor 13, gear train 1, and the drive gear set 13 of motor 13 is rotated, and gear train 1 drives internal layer screw mandrel
2 rotate.
Start the utility model, it is protruding：By motor-driven gear group 1, drive internal layer screw mandrel 2 to rotate, be enclosed within interior
Internal layer nut 3 on layer screw mandrel 2 advances, and internal layer nut 3 promotes second layer screw mandrel 4 to advance, and at the same time, second layer screw mandrel 4 leads to
Cross second layer projection 8 to be rabbeted with internal layer screw mandrel, so, internal layer screw mandrel 2 drives second layer screw mandrel 4 to rotate；Equally, the second layer
Screw mandrel 4 is rotated, the translation forward of second layer nut 5, promotes the translation forward of third layer screw mandrel 6, and third layer screw mandrel 6 is convex by third layer
Block 9 is rabbeted with second layer screw mandrel, so third layer screw mandrel 6 also rotates.During to contract：By motor-driven gear
Group 1, drives internal layer screw mandrel 2 to rotate backward, and the internal layer nut 3 being enclosed within internal layer screw mandrel 2 is retreated, and is arranged on internal layer nut 3 or interior
Internal layer protuberance 18 on layer outer shell 11 catches on the second layer screw mandrel projection 17 on second layer screw mandrel 4, drives second layer screw mandrel 4
Retreat, at the same time, second layer screw mandrel 4 is rotated under the drive of internal layer screw mandrel 2, after second layer nut 5 is on the second layer screw mandrel 4
Move back, the second layer protuberance 19 being arranged on second layer nut 5 or second layer outer shell 10 catches on the 3rd on third layer screw mandrel
Layer screw mandrel projection 16, drives third layer screw mandrel 6 to retreat, and realizes shrinking.So linked step by step the side of propulsion by three-level spiral-tube
Formula, realizes Methodistic flexible, it is had larger telescopic extensions in small space.
Claims (10)
1. a kind of spiral expanding mechanism, including drive mechanism, it is characterised in that：Also include some grades of retractor devices, the flexible dress
Put including screw mandrel, nut, on screw mandrel, the drive mechanism drives the screw mandrel of first order retractor device to rotate to the nut sleeve,
When screw mandrel is rotated, nut can be moved on screw mandrel；The screw rod bushing of rear class retractor device is outside the screw mandrel of prime retractor device
And be connected thereto, drive rear class retractor device screw mandrel to rotate when prime retractor device screw mandrel is rotated；The nut of prime retractor device
It is upper that there is protuberance, there is the projection being engaged with protuberance on the screw mandrel of rear class retractor device；When protruding, the flexible dress of prime
The nut put promotes the translation of rear class retractor device, and during to contract, the protuberance of prime retractor device pulls rear class by raised
Retractor device is translated.
2. spiral expanding mechanism as claimed in claim 1, it is characterised in that：Rear class retractor device screw mandrel and prime retractor device
Projection, draw-in groove connection of the screw mandrel by mutual cooperation, the projection are arranged on the inner surface of rear class retractor device screw mandrel, and draw-in groove is set
In the outer surface of prime retractor device screw mandrel, the projection insertion draw-in groove.
3. spiral expanding mechanism as claimed in claim 1, it is characterised in that：The retractor device also includes outer shell, and this is outer
Sheath body is connected with nut, wherein, the outer shell of afterbody retractor device is enclosed within outside this grade of retractor device screw mandrel, the flexible dress of prime
The outer shell put is enclosed within outside rear class retractor device.
4. spiral expanding mechanism as claimed in claim 3, it is characterised in that：The protuberance is arranged on outer shell.
5. spiral expanding mechanism as claimed in claim 3, it is characterised in that：Also include guide rail and the cunning on guide rail
Block, the outer shell of first order retractor device is arranged on sliding block.
6. the spiral expanding mechanism as described in claim 1-5 any claims, it is characterised in that：The protuberance, projection
Section it is L-shaped.
7. the spiral expanding mechanism as described in claim 1-5 any claims, it is characterised in that：Also include tail level screw mandrel,
Tail level screw rod bushing is also equipped with projection outside the screw mandrel of afterbody retractor device on tail level screw mandrel, projection and most
The protuberance occlusion of rear stage retractor device.
8. the spiral expanding mechanism as described in claim 1-5 any claims, it is characterised in that：The drive device includes
Motor and gear train, the motor-driven gear group are rotated, and the gear train drives first order retractor device screw mandrel to rotate.
9. a kind of spiral expanding mechanism, including drive mechanism, it is characterised in that：Also include screw mandrel, nut, foot piece, the nut
Be enclosed within screw mandrel, the foot piece is enclosed within outside the screw mandrel, on the nut have protuberance, on the foot piece have with it is described
The projection of protuberance occlusion；The drive mechanism drives the screw mandrel to rotate, and when screw mandrel is rotated, nut is moved on screw mandrel,
When protruding, nut promotes foot piece translation, and during to contract, the protuberance on nut pulls foot piece to translate by raised.
10. spiral expanding mechanism as claimed in claim 9, it is characterised in that：The foot piece is also connected with screw mandrel, outside screw mandrel
Surface is provided with draw-in groove, and the inner surface setting of foot piece has projection, in the projection insertion draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621371580.6U CN206263950U (en) | 2016-12-14 | 2016-12-14 | A kind of spiral expanding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621371580.6U CN206263950U (en) | 2016-12-14 | 2016-12-14 | A kind of spiral expanding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206263950U true CN206263950U (en) | 2017-06-20 |
Family
ID=59045684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621371580.6U Active CN206263950U (en) | 2016-12-14 | 2016-12-14 | A kind of spiral expanding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206263950U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106737577A (en) * | 2016-12-14 | 2017-05-31 | 亿嘉和科技股份有限公司 | A kind of spiral expanding mechanism |
| CN109249379A (en) * | 2018-11-16 | 2019-01-22 | 上海缆玥智能科技有限公司 | A kind of truss structure |
| CN112770655A (en) * | 2018-08-17 | 2021-05-07 | 拉瓦萨专业英国有限公司 | Beverage container supporting device |
-
2016
- 2016-12-14 CN CN201621371580.6U patent/CN206263950U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106737577A (en) * | 2016-12-14 | 2017-05-31 | 亿嘉和科技股份有限公司 | A kind of spiral expanding mechanism |
| CN112770655A (en) * | 2018-08-17 | 2021-05-07 | 拉瓦萨专业英国有限公司 | Beverage container supporting device |
| CN109249379A (en) * | 2018-11-16 | 2019-01-22 | 上海缆玥智能科技有限公司 | A kind of truss structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204223797U (en) | A kind of three-dimensional lift telescopic splicing equipment | |
| CN206263950U (en) | A kind of spiral expanding mechanism | |
| CN103895035B (en) | Based on the collapsible explorer mechanical arm of triangle configuration link transmission | |
| CN104355101A (en) | Three-dimensional lifting and flexing material holding work device | |
| CN106523635A (en) | Spiral telescopic device | |
| CN205933081U (en) | Elevation structure of car roof | |
| CN206320253U (en) | A kind of spiral expanding device | |
| CN207258897U (en) | A kind of bobbin winder device | |
| CN206142771U (en) | Lift stand with ultralow mounting distance | |
| CN207026918U (en) | Automatic locking screw machine | |
| CN106737577A (en) | A kind of spiral expanding mechanism | |
| CN207142746U (en) | The secondary upkeep operation hoistable platform of power transformation | |
| CN205471685U (en) | Brick cutting machine | |
| CN201013218Y (en) | Electric gate | |
| CN107803004A (en) | Foldable basketball stand | |
| CN104527618B (en) | A kind of parking translation mechanism | |
| CN106184486A (en) | A kind of electric bicycle automatic supporter mechanism | |
| CN106514706A (en) | Linkage type telescopic arm | |
| CN206455690U (en) | A kind of linkage type telescopic arm | |
| CN206536196U (en) | A kind of multi-spindle machining hand screw locking machine | |
| CN203095508U (en) | Total-travel lifting worm structure | |
| CN107892261B (en) | Movable support leg linkage telescopic device, telescopic method thereof and overhead working truck | |
| CN208463231U (en) | A kind of synchronization lifting push rod device and its desk | |
| CN207290067U (en) | A kind of Multidirectional motion electric power apparatus examination platform | |
| CN210371445U (en) | Rotary lifting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |