CN205960878U - Automatic telescopic link of multisection - Google Patents
Automatic telescopic link of multisection Download PDFInfo
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- CN205960878U CN205960878U CN201620735641.6U CN201620735641U CN205960878U CN 205960878 U CN205960878 U CN 205960878U CN 201620735641 U CN201620735641 U CN 201620735641U CN 205960878 U CN205960878 U CN 205960878U
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- sleeve
- screw mandrel
- nut
- motor
- telescopic link
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Abstract
The utility model provides an automatic telescopic link of multisection, includes: motor, n level drive mechanism and (n+1) coaxial sleeve, wherein n >= 2, the motor is installed in first sleeve one end, and a drive mechanism includes: the second sleeve is connected to first lead screw and first nut on the external circumferential wall of first nut, drive the second sleeve by the motor through a drive mechanism and be linear motion, inside a drive mechanism located a sleeve, a drive mechanism included: a lead screw and a nut, is a lead screw one end connected at (a 1 )Is nut one side by (a 1 )When the lead screw drives a lead screw synchronous revolution, (a 1 )The nut drives a lead screw linear motion, connect (a+1) sleeve on the external circumferential wall of a nut, by (a 1 )The lead screw drives (a+1) sleeve through a drive mechanism and is linear motion, wherein a=2... N. The utility model discloses an automatic extension of telescopic link, contraction work ability, and strong fix is realized in arbitrary position, light convenient one -hand operation can.
Description
Technical field
The utility model is related to a kind of Telescopic rod structure, more particularly relates to a kind of more piece automatic telescopic link.
Background technology
Expansion link is to be socketed to form by more piece rod member, because have retraction volume little in order to carrying and collecting, and launch be
Meet the feature using length requirement, be widely used in daily life, especially when people are autodyned with mobile phone, stretch
Contracting bar has played very big effect, being capable of easy adjustment shooting distance.
Telescopic rod structure common at present, a kind of be using loop bar between damping piece realize each rod member and mutually stretch or receive
Positioning after contracting；A kind of is to realize the positioning after each rod member stretches or shrinks using the keeper of set boom end setting.No matter what
The structure of kind of mode, the exhibition of this expansion link receive be required to manually operated, to repeatedly adjust expansion link Len req in use it is impossible to
Reach the length needed for user as early as possible, thus there is the laborious inconvenient situation of working costs.
Utility model content
The purpose of this utility model is to provide one kind can realize automatically stretching and automatically shrink, and realizes in any position
The more piece automatic telescopic link of strong fix.
The technical scheme in the invention for solving the above technical problem is：A kind of more piece automatic telescopic link, including：Electricity
Machine, it is sequentially connected to the n level transmission mechanism of motor and is respectively arranged on motor and transmission mechanism（n+1）Individual coaxial sleeve,
Wherein n is integer, and n >=2；
Described motor is arranged on first sleeve one end, and the first transmission mechanism is located at the first sleeve inner, the first transmission mechanism
Including：It is in transmission connection in the first screw mandrel of motor and be actively socketed on the first nut on the first screw mandrel, described first nut
Outer circle wall on connect second sleeve one end, by motor pass through first transmission mechanism driving second sleeve move along a straight line；
Located at a sleeve inner, a transmission mechanism includes a transmission mechanism：It is enclosed within（a-1）Simultaneously synchronous rotation on screw mandrel
The tubular a screw mandrel that turns and be actively socketed on a nut on a screw mandrel, a screw mandrel one end is connected to the（a-1）Nut
Side, the outer circle wall of a nut connects the（a+1）Sleeve one end, by（a-1）Nut drives a screw mandrel synchronous linear
While motion, and by（a-1）Screw mandrel passes through a transmission mechanism and drives the（a+1）Sleeve moves along a straight line, wherein a=2 ...
n；Stretching, extension or contraction that the sleeve finally making the drive of Motor drive transmission mechanism at different levels corresponding is synchronously overlapped mutually in the same direction.
Preferably,（a-1）The strip positioning caving inward is formed with axially along on the cylinder of sleeve
Groove, the（a-1）It is formed with the outer circle wall of nut and on the cylinder of a sleeve and be enclosed within the（a-1）Sleeve positions trench bottom
Positioning groove and locating slot.
Preferably, described locating slot and positioning groove are provided with one, two or more pieces.
Preferably,（a-1）Strip draw-in groove, a silk is offered axially along on the external screw thread wall of screw mandrel
The cylinder inboard wall of bar protrudes above to be formed with and is inserted into（a-1）Buckle in screw mandrel draw-in groove.
Preferably, described draw-in groove and buckle arrange one, two or more pieces.
Preferably, a screw mandrel one end is connected to by briquetting（a-1）Nut side, briquetting is fixedly connected on
The（a-1）On nut, briquetting side is formed with barb, and the circumference of a screw mandrel is formed with annular groove, and described barb snaps into
In described groove.
Preferably, described motor is connected to the first sleeve by a connecting cylinder.
Preferably, the stepped tubular of described connecting cylinder, motor is fixedly mounted on the one of the larger barrel dliameter of connecting cylinder
End is internal, and one end of the first sleeve is fixedly connected on the other end of connecting cylinder.
Preferably, one end of described first screw mandrel is connected to the power output shaft of motor by shaft coupling.
Compared with prior art, the beneficial effects of the utility model：The singlehanded behaviour of more piece automatic telescopic link of the present utility model
Make to can achieve automatic telescopic positioning.The utility model is designed with three section screw mandrels, minimum with the diameter that is directly connected in motor
Screw mandrel, as the first screw mandrel, drives second, third screw mandrel synchronous axial system other；The nut each connecting on three section screw mandrels is with silk
The rotation of bar and move along a straight line, nut on the first screw mandrel drives the second screw mandrel linear motion, the nut band on the second screw mandrel
Dynamic 3rd screw mandrel linear motion, the resynchronisation of each nut drives corresponding sleeve pipe to be moved linearly together, the straight line of three sleeve pipes
Motion synchronization and being overlapped mutually in the same direction, thus the automatic stretching, extension realizing expansion link is shunk with automatic；And can stop in any position
Only motion is positioned, and makes operator realize the Len req of easy and convenient operation contracting bar.
Brief description
In order to be illustrated more clearly that the technical scheme in the utility model embodiment, below will be to required in embodiment description
Accompanying drawing to be used is briefly described, wherein：
Fig. 1 is the transmission principle structural representation of the utility model preferred embodiment；
Fig. 2 is the mplifying structure schematic diagram of part A in Fig. 1；
Fig. 3 is the extended configuration schematic diagram of the utility model preferred embodiment；
Fig. 4 is the contraction state schematic diagram of the utility model preferred embodiment.
Specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.In preferred embodiment
Cited as " on ", D score, "left", "right", the term, only understanding for ease of narration such as " middle " and " one ", and be not used to
Limit the enforceable scope of the utility model, being altered or modified of its relativeness, change under technology contents in no essence, when also
It is considered as the enforceable category of the utility model.
Refer to Fig. 1 to Fig. 4, a kind of more piece automatic telescopic link of design in the utility model preferred embodiment, it is concrete
Including：Motor 10, is sequentially connected to the first transmission mechanism, the second transmission mechanism and the 3rd transmission mechanism of motor 10, Yi Jifen
Coaxial sleeve not on motor and every grade of transmission mechanism；Three transmission mechanisms are driven to drive corresponding sleeve by motor 10
The synchronous in the same direction linear motion being overlapped mutually, thus the automatic stretching, extension realizing expansion link is shunk with automatic.
Specifically, motor 10 is connected to the first sleeve 52 by a connecting cylinder 51, and the stepped tubular of connecting cylinder 51 is tied
Structure, motor 10 is fixedly mounted on inside one end of the larger barrel dliameter of connecting cylinder 51, and one end of the first sleeve 52 is fixedly connected on connection
The other end of cylinder 51, is constituted the outermost tube structure of expansion link by the first sleeve 52 and connecting cylinder 51.First sleeve 52
The strip locating slot caving inward is symmetrically formed on cylinder, the bottom of this two locating slots is mutually corresponding axially along.
First transmission mechanism is driving mechanism located at the inside of the first sleeve 52, the first transmission mechanism, and it mainly includes：The
One screw mandrel 21 and be actively socketed on the first nut 22 on the first screw mandrel 21, shaft coupling 11 is passed through even in one end of the first screw mandrel 21
It is connected to the power output shaft of motor 10, the outer circle wall of the first nut 22 concaves along its female threaded shaft to being symmetrically formed
Sunken positioning groove, the positioning groove correspondence of the first nut 22 is enclosed within the positioning trench bottom of the first sleeve 52, so that motor
10 can drive the first nut 22 to move along a straight line along locating slot direction by the first screw mandrel 21.The external screw thread of the first screw mandrel 21
Strip draw-in groove is offered axially along on wall.
Second sleeve 53 is located at the inside of the first sleeve 52, and one end of second sleeve 53 is fixedly connected on the first nut 22
On outer circle wall, the cylinder of second sleeve 53 is symmetrically formed strip locating slot axially along that cave inward, this two
The bottom of bar locating slot is mutually corresponding, and the locating slot of second sleeve 53 is connected with the positioning groove of the first nut 22, and second set
The locating slot of the cylinder 53 also corresponding positioning trench bottom being enclosed within the first sleeve 52, so that the first nut 22 can drive second set
Cylinder 53 synchronous linear motion, and second sleeve 53 will not rotate.
Second transmission mechanism is the first follower located at the inside of second sleeve 53, the second transmission mechanism, and it mainly wraps
Include：Second screw mandrel 31 and be actively socketed on the second nut 32 on the second screw mandrel 31.Second screw mandrel 31 is cylindrical in shape structure, its set
On the first screw mandrel 21, protrude above in the cylinder inboard wall of the second screw mandrel 31 and be formed with buckle, the buckle of the second screw mandrel 31 can be inserted
Enter in the draw-in groove of the first screw mandrel 21, and one end of the second screw mandrel 31 is connected to the side of the first nut 22 by briquetting, second
Screw mandrel 31 can rotate relative to the first nut 22, so that the first screw mandrel 21 can drive the same of the second screw mandrel 31 synchronous rotary
When, the first nut 22 can also drive the second screw mandrel 31 to move along a straight line.On the external screw thread wall of the second screw mandrel 31 axially along
Offer strip draw-in groove 311.Cave inward along its female threaded shaft to being symmetrically formed on the outer circle wall of the second nut 32
Positioning groove 321, positioning groove 321 correspondence of the second nut 22 is enclosed within the positioning trench bottom of second sleeve 53 so that
Motor 10 passes through the first screw mandrel 21, the second screw mandrel 31 can drive the second nut 32 to move along a straight line along locating slot direction.
3rd sleeve 54 is located at the inside of second sleeve 53, and one end of 3rd sleeve 54 is fixedly connected on the second nut 32
On outer circle wall, the cylinder of 3rd sleeve 54 is symmetrically formed strip locating slot axially along that cave inward, this two
The bottom of bar locating slot is mutually corresponding, and the locating slot of 3rd sleeve 54 is connected with the positioning groove of the second nut 32, and the 3rd set
The locating slot of the cylinder 54 also corresponding positioning trench bottom being enclosed within second sleeve 53, so that the second nut 32 can drive the 3rd set
Cylinder 53 synchronous linear motion, and 3rd sleeve 53 will not rotate.
Located at the inside of 3rd sleeve 54, the 3rd transmission mechanism is the second follower to 3rd transmission mechanism, and it mainly wraps
Include：3rd screw mandrel 41 and be actively socketed on the 3rd nut 42 on the 3rd screw mandrel 41, the 3rd screw mandrel 41 is cylindrical in shape structure, and covers
On the second screw mandrel 31, protrude above in the cylinder inboard wall of the 3rd screw mandrel 41 and be formed with buckle, the buckle of the 3rd screw mandrel 41 can be inserted
Enter in the draw-in groove 311 of the second screw mandrel 31, and one end of the 3rd screw mandrel 41 be connected to the side of the second nut 32 by briquetting 43,
3rd screw mandrel 41 can rotate relative to the second nut 32, and briquetting 43 is fixedly connected on the second nut 32, and briquetting 43 side is formed
There is barb, the circumference of the 3rd screw mandrel is formed with annular groove, described barb snaps in described groove, so that second
While bar 31 can drive the 3rd screw mandrel 41 synchronous rotary, the second nut 32 can also drive the 3rd screw mandrel 41 to move along a straight line.
Along its female threaded shaft to being symmetrically formed the positioning groove caving inward, the 3rd nut 32 on the outer circle wall of the 3rd nut 42
Positioning groove correspondence be enclosed within the positioning trench bottom of 3rd sleeve 54, so that motor 10 passes through the first screw mandrel 21, second
Bar 31 and the 3rd screw mandrel 41 can drive the 3rd nut 42 to move along a straight line along locating slot direction.
4th sleeve 55 is located at the inside of 3rd sleeve 54, and one end of 4th sleeve 55 is fixedly connected on the 3rd nut 42
On outer circle wall, the cylinder of 4th sleeve 55 is symmetrically formed strip locating slot axially along that cave inward, this two
The bottom of bar locating slot is mutually corresponding, and the locating slot of 4th sleeve 55 is connected with the positioning groove of the 3rd nut 42, and the 4th set
The locating slot of the cylinder 55 also corresponding positioning trench bottom being enclosed within 3rd sleeve 54, so that the 3rd nut 42 can drive the 4th set
Cylinder 55 synchronous linear motion, and 4th sleeve 55 will not rotate.
In use, operator hand-held expansion link be provided with one end of motor, by the power output of controlled motor
Axle different rotary direction, you can realize Multi-stage transmission mechanism and drive corresponding sleeve to carry out the synchronous in the same direction straight line fortune being overlapped mutually
Dynamic, thus the automatic stretching, extension realizing expansion link is shunk with automatic.And motor can stop operating in any position, any position
Realize strong fix.
In the present embodiment, only list the transmission connecting structure of three section screw mandrels, and in actual design process, Ke Yigen
According to the length requirement of expansion link, using identical transmission principle, and it is automatic to be designed to the more pieces such as two sections, four sections, five sections ...
Expansion link.
The above, be only preferred embodiment of the present utility model, not the utility model is made any formal
Restriction, any those skilled in the art, in the range of without departing from technical solutions of the utility model, according to skill of the present utility model
Any brief introduction modification, equivalent variations and modification that art is substantially made to above example, all still fall within the utility model technical side
In the range of case.
Claims (9)
1. a kind of more piece automatic telescopic link is it is characterised in that include：Motor, be sequentially connected to motor n level transmission mechanism and
It is respectively arranged on motor and transmission mechanism（n+1）Individual coaxial sleeve, wherein n are integer, and n >=2；
Described motor is arranged on first sleeve one end, and the first transmission mechanism includes located at the first sleeve inner, the first transmission mechanism：
Be in transmission connection in the first screw mandrel of motor and be actively socketed on the first nut on the first screw mandrel, described first nut cylindrical
Second sleeve one end is connected on perisporium, drives second sleeve to move along a straight line by motor by the first transmission mechanism；
Located at a sleeve inner, a transmission mechanism includes a transmission mechanism：It is enclosed within（a-1）On screw mandrel and synchronous rotary
Tubular a screw mandrel and be actively socketed on a nut on a screw mandrel, a screw mandrel one end is connected to（a-1）Nut side,
The is connected on the outer circle wall of a nut（a+1）Sleeve one end, by（a-1）Nut drives the motion of a screw mandrel synchronous linear
Meanwhile, and by（a-1）Screw mandrel passes through a transmission mechanism and drives the（a+1）Sleeve moves along a straight line, wherein a=2 ... n；Finally
Stretching, extension or contraction that the sleeve making the drive of Motor drive transmission mechanism at different levels corresponding is synchronously overlapped mutually in the same direction.
2. more piece automatic telescopic link according to claim 1 is it is characterised in that（a-1）Along it on the cylinder of sleeve
It is axially formed the strip locating slot caving inward, the（a-1）Also shape on the outer circle wall of nut and on the cylinder of a sleeve
Become and be enclosed within the（a-1）Sleeve positions positioning groove and the locating slot of trench bottom.
3. more piece automatic telescopic link according to claim 2 is it is characterised in that described locating slot and positioning groove are provided with
Article one, two or more pieces.
4. more piece automatic telescopic link according to claim 1 is it is characterised in that（a-1）Edge on the external screw thread wall of screw mandrel
It and axially offer strip draw-in groove, the cylinder inboard wall of a screw mandrel protrudes above to be formed with and is inserted into the（a-1）In screw mandrel draw-in groove
Buckle.
5. more piece automatic telescopic link according to claim 4 it is characterised in that described draw-in groove and buckle arrange one, two
Bar or a plurality of.
6. the more piece automatic telescopic link according to any one of claim 1 to 5 is it is characterised in that pressure is passed through in a screw mandrel one end
Block is connected to（a-1）Nut side, briquetting is fixedly connected on（a-1）On nut, briquetting side is formed with barb, a silk
It is formed with annular groove, described barb snaps in described groove on the circumference of bar.
7. the more piece automatic telescopic link according to any one of claim 1 to 5 is it is characterised in that described motor passes through one
Connecting cylinder is connected to the first sleeve.
8. more piece automatic telescopic link according to claim 7 is it is characterised in that the stepped tubular of described connecting cylinder, electric
Machine is fixedly mounted on inside one end of the larger barrel dliameter of connecting cylinder, and one end of the first sleeve is fixedly connected on the other end of connecting cylinder.
9. the more piece automatic telescopic link according to any one of claim 1 to 5 it is characterised in that described first screw mandrel one
End is connected to the power output shaft of motor by shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620735641.6U CN205960878U (en) | 2016-07-13 | 2016-07-13 | Automatic telescopic link of multisection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620735641.6U CN205960878U (en) | 2016-07-13 | 2016-07-13 | Automatic telescopic link of multisection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960878U true CN205960878U (en) | 2017-02-15 |
Family
ID=57971314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620735641.6U Active CN205960878U (en) | 2016-07-13 | 2016-07-13 | Automatic telescopic link of multisection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387707A (en) * | 2017-06-16 | 2017-11-24 | 东莞市特姆优传动科技有限公司 | A kind of three-stage electric pushrod structure |
| CN113730196A (en) * | 2021-07-13 | 2021-12-03 | 中国科学院深圳先进技术研究院 | Lower limb exoskeleton robot |
-
2016
- 2016-07-13 CN CN201620735641.6U patent/CN205960878U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387707A (en) * | 2017-06-16 | 2017-11-24 | 东莞市特姆优传动科技有限公司 | A kind of three-stage electric pushrod structure |
| CN113730196A (en) * | 2021-07-13 | 2021-12-03 | 中国科学院深圳先进技术研究院 | Lower limb exoskeleton robot |
| CN113730196B (en) * | 2021-07-13 | 2024-06-07 | 中国科学院深圳先进技术研究院 | Lower limb exoskeleton robot |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |