CN103441465A - Flexibly telescopic arm device - Google Patents
Flexibly telescopic arm device Download PDFInfo
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- CN103441465A CN103441465A CN2013104004505A CN201310400450A CN103441465A CN 103441465 A CN103441465 A CN 103441465A CN 2013104004505 A CN2013104004505 A CN 2013104004505A CN 201310400450 A CN201310400450 A CN 201310400450A CN 103441465 A CN103441465 A CN 103441465A
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- arm
- winding displacement
- supporting plate
- inner arm
- outer arm
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Abstract
Provided is a flexibly telescopic arm device which comprises an external arm and an internal arm. The external arm is a hollow structure. The internal arm is nested and connected in the internal part of the external arm in a sliding mode. The internal part of the external arm is also provided with a support plate which is distributed with flat wires. The internal arm is internally provided with a support plate groove. When the internal arm slides into the external arm, the guide flat wires of the support plate are inserted into the support plate groove of the internal arm. The support plate is used for supporting the guide flat wires which are divided into three segments to be respectively fixed and designed freely and slidably so that the internal arm and the external arm are ensured to slide relatively without interference. Signal transmission of the flat wires is stable and high-speed. The support plate slides into the internal arm along the support plate groove of the internal arm. The guide flat wires follow the internal arm to move. Besides, influence on the service life of the product due to easy breaking of the flat wires caused by scrapping and extrusion towards the flat wires during fast movement of the internal arm and the external arm can be avoided simultaneously.
Description
[technical field]
The present invention relates to the telescopic movable arm of recording instrument, relate in particular to there is rotating shaft, the lever arm device of stretching structure, inner conductors.
[background technology]
One class engineering goods, electronic instrument have the movable telescopic arm, and attachment lens, probe, operating head complete the operation in certain angle and scope, generally can be rotated, the actions such as stretching, lifting.Such telescopic arm needs mainly to consider the completing of mechanical action, circuit cable design in design.Mechanical action relies on the textural associations such as rotating shaft, flexible member and chute and completes default effect, and also can affect product overall quality and operation stability in the circuit cable design.
Telescopic arm generally adopts the drawing and pulling type structure, i.e. shell hollow, and built-in inner arm, inner arm is nested in shell, stretch/shrink in shell along chute, and the winding displacement of telescopic arm is placed in shell, meets the different active states of telescopic arm.In general the winding displacement two ends are respectively in the telescopic arm two ends, the purpose of transmitting along telescopic arm with settling signal.Conventional winding displacement just lengthens winding displacement, and its two ends are fixed, and mid portion freely distributes.Such design can cause some travel position at telescopic arm to be subject to winding displacement disturbing, and activity has some setbacks, or winding displacement blocked by the telescopic arm motion, affects the signal transmission; Winding displacement produces frequent doubling, causes the winding displacement strain easily aging, and the dropout problem occurs.
[summary of the invention]
The present invention is directed to above problem and proposed a kind of telescopic arm stretching motion that do not affect, winding displacement is furnished with rule and the difficult movable telescopic arm assembly that clip occurs.
The movable telescopic arm assembly that relates to of the present invention, comprise outer arm and inner arm, this outer arm is hollow structure, inner arm is with the nested outer arm inside that is connected to of slidingtype, also be provided with a supporting plate in this outer arm inside, lay winding displacement on supporting plate, be provided with a supporting plate groove in inner arm, when inner arm slides in outer arm, supporting plate guiding winding displacement inserts in the supporting plate groove of inner arm.
This outer arm and inner arm are microscler, this outer arm has outer arm headend and outer arm link, inner arm has inner arm tail end and inner arm link, outer arm link and the activity of inner arm link are engaged togather, one end of winding displacement is connected to outer arm headend inside, and an other end of winding displacement is connected to inner arm tail end inside; This supporting plate is arranged on the junction of winding displacement and outer arm, and the winding displacement winding is on supporting plate, and prolongation is connected to the inner arm tail end.
This supporting plate is " L " type, a horizontal stripe position and vertical bar position, consists of, and comprises bottom surface and end face, and this supporting plate is connected with outer arm headend with the vertical bar position of " L " type.
Winding displacement comprises two sections canned paragraphs and the free segment between two sections canned paragraphs, on winding displacement from arm headend to supporting plate horizontal stripe position be fixed into the first canned paragraph, be fixed into the second canned paragraph from inner arm tail end to inner arm link on winding displacement, connect by free segment between the first canned paragraph and the second canned paragraph.
The first canned paragraph of winding displacement is fixed on supporting plate top surface, and the second canned paragraph of winding displacement is fixed on below the supporting plate groove, and the free segment of winding displacement is walked around supporting plate horizontal stripe position and is turned to the supporting plate bottom surface, extends to the second canned paragraph.
At the inner arm link, place is provided with a pair of damping wheel, and damping wheel is along the inner slide guide inner arm of outer arm.
Between two damping wheels, corresponding winding displacement position is provided with an elastic pressuring plate, is pressed on winding displacement.
The present invention is by supporting plate, and support guiding winding displacement, be divided into three sections by winding displacement and be fixed respectively and be free to slide design, can guarantee that inner arm and outer arm relative sliding are smooth and easy and interference-free, and the winding displacement stable signal transmission at a high speed.Supporting plate slides in inner arm along interior arm blaster groove, and the guiding winding displacement is followed inner arm and moved, and also avoids in interior outer arm fast moving friction and Extrusion to winding displacement, to make winding displacement easily rupture simultaneously and affects product useful life.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
Fig. 2 is structural representation of the present invention;
Wherein: 100, movable telescopic arm assembly; 10, outer arm; 20, inner arm; 21, supporting plate groove; 30, supporting plate; 40, winding displacement; 41, the first canned paragraph; 42, free segment; 43, the second canned paragraph; 50, damping wheel; 60, elastic pressuring plate.
[embodiment]
Below in conjunction with drawings and Examples, movable telescopic arm assembly involved in the present invention is elaborated.
Please refer to accompanying drawing 1, wherein show movable telescopic arm assembly 100, the main body of this movable telescopic arm comprises outer arm 10 and inner arm 20, and this outer arm 10 is hollow structure, and inner arm 20 is nested in outer arm, and slidingtype extends outside outer arm or is contracted in outer arm.The effect that can realize is when opening fully, the length of inner arm 20 is connected to the length that extends outer arm 10, and when folding is retracted, inner arm 20 main bodys is enclosed within outer arm 10 fully, the whole length that only embodies outer arm 10.
This outer arm 10 and inner arm 20 are microscler, this outer arm 10 has outer arm headend and outer arm link, inner arm 20 has inner arm tail end and inner arm link, outer arm link and the activity of inner arm link are engaged togather, and are actually the outer arm link and are inserted in the outer arm link, and be provided with a pair of damping wheel 50 at inner arm link place, damping wheel 50 drives inner arm along the outer arm slides within, when this inner arm skids off maximum position, can be stuck in the outer arm link, be unlikely to slippage out.
Need to walk winding displacement 40 in outer arm and inner arm, winding displacement 40 is the carriers that run through telescopic arm conducted signal, winding displacement 40 need to from arm headend extend to the inner arm tail end, and to the inner arm outer arm, relative motion is kept away position for needs, can in the slip of inner arm, not be stuck, also to consider not overflexing winding displacement 40 simultaneously while arranging winding displacement 40, avoid frequent bending and strain.So an end of winding displacement 40 is connected to outer arm headend inside, and an other end of winding displacement 40 is connected to inner arm tail end inside.
Conventional way, just meet telescopic arm by length, and the winding displacement 40 of flexible maximum length installs in outer arm and inner arm, freely places, and this mode may produce the problem of winding displacement 40 Position disturbance inner arm outer arm stretching motions.
And the present invention, established a supporting plate 30 in outer arm, this supporting plate 30 is arranged on the junction of winding displacement 40 and outer arm 10, play standing part winding displacement 40, hold up winding displacement 40, and when inner arm slides, guiding winding displacement 40 is followed the inner arm movement tendency and moves, make winding displacement 40 can not disturb mechanical component movement, can be by the mechanical part clip yet, or damage.
Position and size to should supporting plate have a supporting plate groove 21 in inner arm 20, and when the complete purse up of inner arm 20, in outer arm 10 time, supporting plate 30 just is inserted in supporting plate groove 21.This supporting plate is " L " type, a horizontal stripe position and vertical bar position, consists of, and comprises bottom surface and end face, and this supporting plate is connected with outer arm headend with the vertical bar position of " L " type.Winding displacement is connected up along supporting plate, can be divided into three sections to whole section winding displacement according to the wiring situation of winding displacement, winding displacement is fixed into the first canned paragraph along supporting plate, along the supporting plate groove bottom, fixing part is the second canned paragraph to winding displacement, and is free segment between the first canned paragraph and the second canned paragraph.
The first canned paragraph 41 from arm headend inside along the end face at the end face at supporting plate 30 vertical bar positions-horizontal stripe position, fix, be turned to bottom surface from the end face at horizontal stripe position; The second canned paragraph 43 is all fixed from inner arm tail end to inner arm link, is fixed on the supporting plate groove bottom, and free segment freely is engaged between two sections.
Between two damping wheels 50, corresponding winding displacement position is provided with an elastic pressuring plate 60, is pressed on winding displacement.When this elastic pressuring plate 60 can press winding displacement to be allowed to condition at the supporting plate insertion, can be squeezed into conveniently the supporting plate groove, be made a concession but keep away position along side, supporting plate groove vertical bar position clearance spaces.And, when inner arm is protruding, winding displacement is stretched and stretchs out along the inner arm traction reposefully in an orderly manner.
The present invention is by supporting plate, and support guiding winding displacement, be divided into three sections by winding displacement and be fixed respectively and be free to slide design, can guarantee that inner arm and outer arm relative sliding are smooth and easy and interference-free, and the winding displacement stable signal transmission at a high speed.Supporting plate slides in inner arm along interior arm blaster groove, and the guiding winding displacement is followed inner arm and moved, and also avoids in interior outer arm fast moving friction and Extrusion to winding displacement, to make winding displacement easily rupture simultaneously and affects product useful life.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that utilizes above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, refer to any simple modification that above embodiment is done according to the technology of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (7)
1. a movable telescopic arm assembly, comprise outer arm and inner arm, it is characterized in that, this outer arm is hollow structure, and inner arm, with the nested outer arm inside that is connected to of slidingtype, also is provided with a supporting plate in this outer arm inside, lay winding displacement on supporting plate, be provided with a supporting plate groove in inner arm, when inner arm slides in outer arm, supporting plate guiding winding displacement inserts in the supporting plate groove of inner arm.
2. according to claim 1 movable telescopic arm assembly, it is characterized in that, described this outer arm and inner arm are microscler, this outer arm tool is from outer arm headend and outer arm link, inner arm has inner arm tail end and inner arm link, outer arm link and the activity of inner arm link are engaged togather, and an end of winding displacement is connected to outer arm headend inside, and an other end of winding displacement is connected to inner arm tail end inside; This supporting plate is arranged on the junction of winding displacement and outer arm, and the winding displacement winding is on supporting plate, and prolongation is connected to the inner arm tail end.
3. according to claim 2 movable telescopic arm assembly, it is characterized in that, this supporting plate is " L " type, a horizontal stripe position and vertical bar position, consists of, and comprises bottom surface and end face, and this supporting plate is connected with outer arm headend with the vertical bar position of " L " type.
4. according to claim 3 movable telescopic arm assembly, it is characterized in that, winding displacement comprises two sections canned paragraphs and the free segment between two sections canned paragraphs, on winding displacement from arm headend to supporting plate horizontal stripe position be fixed into the first canned paragraph, be fixed into the second canned paragraph from inner arm tail end to inner arm link on winding displacement, connect by free segment between the first canned paragraph and the second canned paragraph.
5. according to claim 4 movable telescopic arm assembly, it is characterized in that, the first canned paragraph of winding displacement is fixed on supporting plate top surface, and the second canned paragraph of winding displacement is fixed on below the supporting plate groove, the free segment of winding displacement is walked around supporting plate horizontal stripe position and is turned to the supporting plate bottom surface, extends to the second canned paragraph.
6. according to claim 1 movable telescopic arm assembly, it is characterized in that, at the inner arm link, place is provided with a pair of damping wheel, and damping wheel is along the inner slide guide inner arm of outer arm.
7. according to claim 6 movable telescopic arm assembly, it is characterized in that, between two damping wheels, corresponding winding displacement position is provided with an elastic pressuring plate, is pressed on winding displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400450.5A CN103441465B (en) | 2013-08-29 | 2013-08-29 | Movable telescopic arm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400450.5A CN103441465B (en) | 2013-08-29 | 2013-08-29 | Movable telescopic arm assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103441465A true CN103441465A (en) | 2013-12-11 |
| CN103441465B CN103441465B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310400450.5A Active CN103441465B (en) | 2013-08-29 | 2013-08-29 | Movable telescopic arm assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103441465B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030045146A1 (en) * | 2001-08-31 | 2003-03-06 | Sumitomo Wiring Systems, Ltd. | Cable reel |
| CN2879602Y (en) * | 2005-07-22 | 2007-03-14 | 于晓波 | Sliding mobile terminal |
| CN101373621A (en) * | 2007-08-21 | 2009-02-25 | 广明光电股份有限公司 | Bus cable anti-wear apparatus of CD player |
| CN103246321A (en) * | 2012-02-06 | 2013-08-14 | 纬创资通股份有限公司 | Wire arrangement structure and sliding cover type electronic device thereof |
| CN203504116U (en) * | 2013-08-29 | 2014-03-26 | 廖承东 | Movable telescopic arm device |
-
2013
- 2013-08-29 CN CN201310400450.5A patent/CN103441465B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030045146A1 (en) * | 2001-08-31 | 2003-03-06 | Sumitomo Wiring Systems, Ltd. | Cable reel |
| CN2879602Y (en) * | 2005-07-22 | 2007-03-14 | 于晓波 | Sliding mobile terminal |
| CN101373621A (en) * | 2007-08-21 | 2009-02-25 | 广明光电股份有限公司 | Bus cable anti-wear apparatus of CD player |
| CN103246321A (en) * | 2012-02-06 | 2013-08-14 | 纬创资通股份有限公司 | Wire arrangement structure and sliding cover type electronic device thereof |
| CN203504116U (en) * | 2013-08-29 | 2014-03-26 | 廖承东 | Movable telescopic arm device |
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| Publication number | Publication date |
|---|---|
| CN103441465B (en) | 2016-06-08 |
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