CN102270010A - Rotation control device of suspension arm - Google Patents
Rotation control device of suspension arm Download PDFInfo
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- CN102270010A CN102270010A CN2010106183614A CN201010618361A CN102270010A CN 102270010 A CN102270010 A CN 102270010A CN 2010106183614 A CN2010106183614 A CN 2010106183614A CN 201010618361 A CN201010618361 A CN 201010618361A CN 102270010 A CN102270010 A CN 102270010A
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Abstract
The invention provides a rotation control device of a suspension arm. The rotation control device comprises a central shaft, a suspension arm and an annular angle control piece; a first end of the suspension arm is provided with a sleeve; the central shaft is sleeved in the sleeve and hinged with the suspension arm; the annular angle control piece is arranged between the sleeve and the central shaft; the external periphery of the annular angle control piece is provided with a first angle limitation concave part; the internal periphery of the annular angle control piece is provided with a second angle limitation concave part; the inner wall of the sleeve is provided with a first bulge matched with the first angle limitation concave piece; and the periphery of the central shaft is provided with a second bulge matched with the second angle limitation concave part. The rotation control device of the suspension arm can expand the rotation range of the suspension arm and has the advantage of simple structure, easiness for installation and low cost.
Description
Technical field
The present invention relates to medical instruments field, more specifically, relate to a kind of suspension arm rotating control assembly.
Background technology
The equipment that present suspension horizontally rotates is divided into two kinds: a kind of is that suspension arm can be done unrestricted rotation arbitrarily at surface level, and cable, optical cable, signal wire etc. can not be worn or adorn to this suspension arm internal cause structural reason; Another kind is that suspension arm can be done restricted rotatablely moving at surface level, and cable, optical cable, signal wire etc. can be worn or adorn to this suspension arm then.
The suspension commonly used at curative activity horizontally rotates equipment, generally adopts the restricted restricted slewing of the anglec of rotation.Because used suspension arm in the curative activity, need to hang various Medical Devices etc., in suspension arm, need to wear or adorn various cables, optical cable, integrated signal wire etc., if adopt unrestricted slewing arbitrarily, then various cables are disconnected by strand easily, influence the normal use of equipment.
Above-mentioned restricted suspension horizontally rotates equipment, and for the consideration of self structure and operational reliability, the complex structure of control suspension arm rotation angle range is installed inconvenient.The problem of Cun Zaiing is in addition, the existing suspension arm anglec of rotation can only be controlled in 300 ° the scope, like this, suspension arm has 60 ° dead angle in whole Plane of rotation, just the horizontally rotating in the zone of suspension arm, have the regional suspension arm of the sixth that accounts for whole zone not arrive, bring great inconvenience for so afoot curative activity, because suspension arm does not arrive some curative activity desired position, to such an extent as to the suspension arm loss of function, thus curative activity disturbed.The other problems that above-mentioned restricted slewing also exists has, for guaranteeing any point location of suspension arm in rotating range, pneumatic or the friction disc brake of the general employing of location braking of suspension arm, adopt the words complex structure of gas braking, take bigger space, and adopt friction disc brake, friction disc to use the brake fade easily of wearing and tearing back for a long time.
Summary of the invention
The object of the invention is to solve the above-mentioned defective of existing in prior technology, and a kind of suspension arm rotating control assembly simple in structure is provided.
For achieving the above object, the invention provides a kind of suspension arm rotating control assembly, comprise central shaft and suspension arm, first end of suspension arm has sleeve, it is interior and hinged with suspension arm that central axle sleeve is located at sleeve, and this suspension arm rotating control assembly also comprises: annular angle control piece is arranged between sleeve and the central shaft, its outer ring has the spacing recess of first angle, and inner ring has the spacing recess of second angle; The inwall of sleeve is provided with first projection that cooperates with the spacing recess of first angle, and the periphery of central shaft is provided with second projection that cooperates with the spacing recess of second angle.
Further, the spacing recess of first angle is first deep-slotted chip breaker that is formed at annular angle control piece outer ring, the spacing recess of second angle is second deep-slotted chip breaker that is formed at annular angle control piece inner ring, and the center of circle angle beta sum of the center of circle angle [alpha] of first deep-slotted chip breaker and second deep-slotted chip breaker is greater than 300 °.
Further, the center of circle angle of first deep-slotted chip breaker and second deep-slotted chip breaker equates, and first deep-slotted chip breaker and the evenly distribution on annular angle control piece of second deep-slotted chip breaker.
Further, central shaft is a longitudinal axis, and suspension arm is and is horizontally disposed with; The endoporus of sleeve is a shoulder hole, and shoulder hole comprises the first hole portion and the second hole portion that is positioned at shoulder both sides, shoulder hole hole, and the radius of the first hole portion is greater than the radius of the second hole portion; Annular angle control piece is positioned at the first hole portion, and its first end is spacing by shoulder hole hole shoulder, and second end is spacing by the locating part that is arranged on the central shaft.
Further, the radius of the second hole portion is greater than the radius of central shaft, also be provided with first support ring between shoulder hole hole shoulder and the annular angle control piece, the second hole portion inside is provided with second support ring, and the endoporus of first support ring and second support ring all matches with central shaft.
Further, this suspension arm rotating control assembly also comprises: the elastic damping part is arranged in the radially mounting hole on the sleeve, and compresses with central shaft elasticity and to contact.
Further, the elastic damping part comprises: the damping screw is spirally connected with mounting hole radially; Damping block is mounted to the end of damping screw, and contacts with central shaft; Spring is held between damping block and the damping screw.
Further, locating part is a shaft retaining ring, is fastened on the central shaft.
Further, first support ring and annular angle control piece are spirally connected by screw.
Further, central shaft is spirally connected with set nut after passing from the second hole portion; Decorative shell also is installed on first sleeve, and Decorative shell is located at the set nut outside.
According to technical scheme of the present invention,, be arranged between the sleeve and central shaft of suspension arm owing to adopted annular angle control piece; The outer ring of annular angle control piece has the spacing recess of first angle, and inner ring has the spacing recess of second angle; The inwall of sleeve is provided with first projection that cooperates with the spacing recess of first angle, and the periphery of central shaft is provided with second projection that cooperates with the spacing recess of second angle.By spacing recess of first angle and the spacing recess of second angle rationally are set, can control the rotation angle range of suspension arm easily, and have simple in structure, easy installation, advantage that cost is low.In addition, can also enlarge the anglec of rotation of suspension arm, overcome the suspension arm that various cables are installed in the prior art and can only rotate 300 ° of scopes, have the problem at rotation dead angle.Further, adopted the elastic damping screw among the present invention, elasticity is pressed on the central shaft, effectively guaranteed the reliable location of suspension arm, and the dynamics that compresses is adjustable, makes the operating handle of suspension arm good, has solved gas mode of braking complex structure effectively, take the problem in bigger space, and the problem of brake fade behind the friction disc brake mode friction disc wear.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the part section structure according to suspension arm rotating control assembly of the present invention;
Fig. 2 is the local structure for amplifying of Fig. 1;
Fig. 3 has schematically shown the structure of annular angle control piece among the present invention;
Fig. 4 has schematically shown the decomposition texture according to suspension arm rotating control assembly of the present invention; And
Fig. 5 has schematically shown the structure of elasticity damping piece among the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
In conjunction with referring to figs. 1 to Fig. 4, show structure according to the preferred embodiment of suspension arm rotating control assembly provided by the invention, as shown in the figure, this suspension arm rotating control assembly comprises: central shaft 1, suspension arm 2 and annular angle control piece 3.
By among Fig. 1 as can be seen, central shaft 1 vertically is provided with, first end of suspension arm 2 has sleeve 21, it is outer and hinged with central shaft 1 that sleeve 21 is set in central shaft 1, and suspension arm 2 can be rotated around central shaft 1.Annular angle control piece 3 is arranged between sleeve 21 and the central shaft 1, and its outer ring has the spacing recess 31 of first angle, and inner ring has the spacing recess 32 of second angle; The inwall of sleeve 21 is provided with first projection 22 that cooperates with the spacing recess 31 of first angle, and the periphery of central shaft 1 is provided with second projection 11 that cooperates with the spacing recess 32 of second angle.
Like this,, adopted the spacing recess 31 of first angle and first projection 22 to match, allowed suspension arm 2 to rotate first angle that the spacing recess 31 of first angle is limited out along a direction according to suspension arm rotating control assembly of the present invention; The spacing recess 32 of second angle and second projection 11 match, allow suspension arm 2 on same direction, to continue second angle that the spacing recess 32 of rotation second angle is limited out, the maximum anglec of rotation that is suspension arm 2 is first angle and the second angle sum, therefore spacing recess 31 of first angle and the spacing recess 32 of second angle can rationally be set as required, promptly can control the rotating range of suspension arm 2 at an easy rate at Plane of rotation, twisted disconnected problem when avoiding being installed in various cables on the suspension arm 2, and had simple in structure with the unrestricted rotation of suspension arm 2, install easily, the advantage that cost is low.
Specify the principle of work according to suspension arm rotating control assembly of the present invention below: with central shaft 1 is dead axle, suspension arm 2 rotation in the clockwise direction is an example, for ease of describing, suppose that at first annular angle control piece 3 and central shaft 1 are motionless, first projection 22 is rotated in the spacing recess 31 of first angle with suspension arm 2, promptly first projection 22 goes to the second side rib of the spacing recess of first angle by the first side rib of the spacing recess of first angle, and this moment, suspension arm 2 was the anglec of rotation that the spacing recess 31 of first angle is limited around the anglec of rotation of central shaft 1.Then, suspension arm 2 is rotated further, first projection 22 promotes the second side rib of annular angle control piece 3 and then drives annular angle control piece 3 to clockwise rotate simultaneously, this moment, second projection 11 was positioned at the first side rib place of the spacing recess 32 of second angle, when the second side rib of the spacing recess 32 of second angle rotates to second protruding 11 places, reach the suspension arm 2 maximum anglec of rotation in the clockwise direction.Reverse rotation got final product when in like manner, suspension arm 2 rotated counterclockwise.
Preferably, in conjunction with Fig. 2, Fig. 3 and Fig. 4 as can be seen, first projection, 22 and second projection 11 for example be a cylindrical protrusions, and this cylindrical protrusions for example adopts welds or riveted way is connected to respectively on sleeve 21 and the central shaft 1.The spacing recess 31 of first angle is for being formed at first deep-slotted chip breaker of annular angle control piece 3 outer rings, the spacing recess 32 of second angle is for being formed at second deep-slotted chip breaker of annular angle control piece 3 inner rings, this deep-slotted chip breaker is simple in structure and corresponding with the running orbit of first projection, 22 and second projection 11, is convenient to installation and operation stable of annular angle control piece 3.Preferably, the center of circle angle beta sum of the center of circle angle [alpha] of first deep-slotted chip breaker 31 and second deep-slotted chip breaker 32 is greater than 300 °, to reduce the rotation dead angle of suspension arm 2 in Plane of rotation.Understand easily, because of first projection, 22 and second projection 11 all has certain volume, the actual rotating range that drives suspension arm 2 is less than the center of circle angle [alpha] of first deep-slotted chip breaker 31 and the center of circle angle beta sum of second deep-slotted chip breaker 32, when the rotating range that needs suspension arm was 360 °, the center of circle angle beta sum of the center of circle angle [alpha] of first deep-slotted chip breaker and second deep-slotted chip breaker needed greater than 360 °.Certainly, first projection, 22 and second projection 11 can also be other suitable structures, it for example is sheet, the volume that takies in first deep-slotted chip breaker and the second deep-slotted chip breaker inside when first projection, 22 and second projection 11 is very little, the actual rotating range that then drives suspension arm 2 is the center of circle angle [alpha] of first deep-slotted chip breaker 31 and the center of circle angle beta sum of second deep-slotted chip breaker 32 no better than, the this moment of 360 ° of suspension arm 2 rotations if desired can all be designed to first deep-slotted chip breaker and second deep-slotted chip breaker center of circle angle and be 180 ° breach structure.Preferably, as shown in Figure 3, the center of circle angle of first deep-slotted chip breaker 31 and second deep-slotted chip breaker 32 equates, and evenly distribution on annular angle control piece 3, so that the structural strength uniformity of annular angle control piece 3.
For ease of this annular angle control piece 3 is installed, by among Fig. 1 and Fig. 2 as can be seen, the endoporus of sleeve 21 is a shoulder hole, and shoulder hole comprises first 21a of hole portion and second 21b of hole portion that is positioned at shoulder both sides, shoulder hole hole, and the radius of first 21a of hole portion is greater than the radius of second 21b of hole portion; Annular angle control piece 3 is positioned at first 21a of hole portion, and its first end is spacing by shoulder hole hole shoulder, and second end is spacing by the locating part 4 that is arranged on the central shaft 1, and this locating part 4 is a shaft retaining ring for example, is fastened on the central shaft 1.
As can be seen from Figure, for ease of this suspension arm rotating control assembly is installed, the radius of second 21b of hole portion is greater than the radius of central shaft 1.Simultaneously, for guaranteeing central shaft 1 and the verticality of suspension arm 2 and the pivot stability of suspension arm 2, also be provided with first support ring 51 between shoulder hole hole shoulder and the annular angle control piece 3, the endoporus that the second hole portion 21b inside is provided with second support ring, 52, the first support rings 51 and second support ring 52 all matches with central shaft 1.Preferably, first support ring 51 is spirally connected by screw 53 with annular angle control piece 3, to strengthen the reliability of annular angle control piece 3.In addition, suspension arm 2 and sleeve 21 thereof adopt integrated formed structure, have guaranteed the verticality of suspension arm 2 and sleeve 21 axis reliably.
Preferably, this suspension arm rotating control assembly also comprises: elastic damping part 6 is arranged in the radially mounting hole on the sleeve 21, and compresses with central shaft 1 elasticity and to contact.This elastic damping part 6 can further be eliminated the power of the small horizontal direction that produces owing to the error of perpendicularity that produced of assembling, and suspension arm 2 can be positioned on any anglec of rotation when no external force promotion reliably, exactly.Referring to Fig. 4, show a kind of embodiment of this elastic damping part 6, this elastic damping part 6 comprises: damping screw 61 is spirally connected with mounting hole radially; Damping block 62 is mounted to the end of damping screw 61, and contacts with central shaft 1; Spring 63 is held between damping block 62 and the damping screw 61.Spring 63 for example is a butterfly spring, damping screw and butterfly spring cooperate can effectively be regulated required friction force and can fill up the wearing and tearing that produced between damping block and the central shaft, solved gas mode of braking complex structure effectively, take the problem in bigger space, and the problem of brake fade behind the friction disc brake mode friction disc wear.In addition, by regulating damping screw 61, the damping force that is subjected in the time of can adjusting suspension arm 2 rotations is so that feel is good during operation suspension arm 2.
Fig. 1 again, in the present embodiment, the longitudinal axis and the suspension arm integral body at central shaft 1 place are the L type, central shaft 1 passes the back from second 21b of hole portion and is spirally connected with set nut 7, to strengthen the connective stability between central shaft 1 and the suspension arm, on first sleeve 21 Decorative shell 8 is installed also, Decorative shell 8 is located at set nut 7 outsides.Decorative shell 8 can be avoided set nut 7 to expose simultaneously and cause the problem of maloperation.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. suspension arm rotating control assembly, comprise central shaft (1) and suspension arm (2), first end of described suspension arm (2) has sleeve (21), and it is interior and hinged with described suspension arm (2) that described central shaft (1) is sheathed on described sleeve (21), it is characterized in that, also comprise:
Annular angle control piece (3) is arranged between described sleeve (21) and the described central shaft (1), and its outer ring has the spacing recess of first angle (31), and inner ring has the spacing recess of second angle (32);
The inwall of described sleeve (21) is provided with first projection (22) that cooperates with the spacing recess of described first angle (31), and the periphery of described central shaft (1) is provided with second projection (11) that cooperates with the spacing recess of described second angle (32).
2. suspension arm rotating control assembly according to claim 1 is characterized in that,
The spacing recess of described first angle (31) is first deep-slotted chip breaker that is formed at described annular angle control piece (3) outer ring,
The spacing recess of described second angle (32) is second deep-slotted chip breaker that is formed at described annular angle control piece (3) inner ring, and the center of circle angle beta sum of the center of circle angle [alpha] of described first deep-slotted chip breaker and described second deep-slotted chip breaker is greater than 300 °.
3. suspension arm rotating control assembly according to claim 2, it is characterized in that, the center of circle angle of described first deep-slotted chip breaker and described second deep-slotted chip breaker equates, and described first deep-slotted chip breaker and the evenly distribution on described annular angle control piece (3) of described second deep-slotted chip breaker.
4. according to each described suspension arm rotating control assembly in the claim 1 to 3, it is characterized in that,
Described central shaft (1) is a longitudinal axis, and described suspension arm (2) is and is horizontally disposed with;
The endoporus of described sleeve (21) is a shoulder hole, and described shoulder hole comprises the first hole portion (21a) and the second hole portion (21b) that is positioned at shoulder both sides, shoulder hole hole, and the radius of the described first hole portion (21a) is greater than the radius of the described second hole portion (21b);
Described annular angle control piece (3) is positioned at the described first hole portion (21a), and its first end is spacing by described shoulder hole hole shoulder, and second end is spacing by the locating part (4) that is arranged on the described central shaft (1).
5. suspension arm rotating control assembly according to claim 4, it is characterized in that, the radius of the described second hole portion (21b) is greater than the radius of described central shaft (1), also be provided with first support ring (51) between described shoulder hole hole shoulder and the described annular angle control piece (3), described second hole portion (21b) inside is provided with second support ring (52), and the endoporus of described first support ring (51) and described second support ring (52) all matches with described central shaft.
6. according to each described suspension arm rotating control assembly in the claim 1 to 3, it is characterized in that, also comprise: elastic damping part (6) is arranged in the radially mounting hole on the described sleeve (21), and compresses with described central shaft (1) elasticity and to contact.
7. suspension arm rotating control assembly according to claim 6 is characterized in that, described elastic damping part (6) comprising: damping screw (61) is spirally connected with described radially mounting hole; Damping block (62) is mounted to the end of described damping screw (61), and contacts with described central shaft (1); Spring (63) is held between described damping block (62) and the described damping screw (61).
8. suspension arm rotating control assembly according to claim 4 is characterized in that, described locating part (4) is a shaft retaining ring, is fastened on the described central shaft (1).
9. suspension arm rotating control assembly according to claim 5 is characterized in that, described first support ring (51) is spirally connected by screw with described annular angle control piece (3).
10. suspension arm rotating control assembly according to claim 5 is characterized in that, described central shaft (1) passes the back from the described second hole portion (21b) and is spirally connected with set nut (7); Decorative shell (8) also is installed on described first sleeve (21), and described Decorative shell is located at described set nut (7) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618361.4A CN102270010B (en) | 2010-12-31 | 2010-12-31 | Rotation control device of suspension arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618361.4A CN102270010B (en) | 2010-12-31 | 2010-12-31 | Rotation control device of suspension arm |
Publications (2)
| Publication Number | Publication Date |
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| CN102270010A true CN102270010A (en) | 2011-12-07 |
| CN102270010B CN102270010B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010618361.4A Expired - Fee Related CN102270010B (en) | 2010-12-31 | 2010-12-31 | Rotation control device of suspension arm |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103894307A (en) * | 2014-02-20 | 2014-07-02 | 无锡市荣诚软件开发科技有限公司 | Amusement water gun |
| CN106195581A (en) * | 2016-07-28 | 2016-12-07 | 苏州优银机械有限公司 | A kind of cantilever connects adjusting part |
| CN107076352A (en) * | 2016-12-28 | 2017-08-18 | 深圳市大疆灵眸科技有限公司 | Head assembly |
| CN108092225A (en) * | 2017-12-12 | 2018-05-29 | 天津晟信智科技有限公司 | A kind of turnable positioning formula feeder protection equipment |
| CN112443737A (en) * | 2019-09-04 | 2021-03-05 | 青辅实业股份有限公司 | Cantilever device |
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| CN101309566A (en) * | 2008-06-27 | 2008-11-19 | 旭丽电子(广州)有限公司 | Adjustable revolution axis mechanism and electronic product having the same |
| CN201185091Y (en) * | 2008-02-18 | 2009-01-21 | 广州毅昌科技股份有限公司 | Installation foundation for multifunctional flat panel display product |
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| US5904379A (en) * | 1998-08-03 | 1999-05-18 | Chang; Henry Ping | Rotation joint for facial steamer arm |
| JP2005018188A (en) * | 2003-06-24 | 2005-01-20 | Kenwood Corp | Torque-variable mechanism for rotation operation knob |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894307A (en) * | 2014-02-20 | 2014-07-02 | 无锡市荣诚软件开发科技有限公司 | Amusement water gun |
| CN103894307B (en) * | 2014-02-20 | 2017-07-14 | 无锡市荣诚软件开发科技有限公司 | One kind is travelled hydraulic giant |
| CN106195581A (en) * | 2016-07-28 | 2016-12-07 | 苏州优银机械有限公司 | A kind of cantilever connects adjusting part |
| CN107076352A (en) * | 2016-12-28 | 2017-08-18 | 深圳市大疆灵眸科技有限公司 | Head assembly |
| CN107076352B (en) * | 2016-12-28 | 2019-10-11 | 深圳市大疆灵眸科技有限公司 | Head assembly |
| CN108092225A (en) * | 2017-12-12 | 2018-05-29 | 天津晟信智科技有限公司 | A kind of turnable positioning formula feeder protection equipment |
| CN108092225B (en) * | 2017-12-12 | 2020-01-03 | 贵州烨阳科技发展有限公司 | Positioning type feeder protection device can overturn |
| CN112443737A (en) * | 2019-09-04 | 2021-03-05 | 青辅实业股份有限公司 | Cantilever device |
| CN112443737B (en) * | 2019-09-04 | 2022-08-23 | 青辅实业股份有限公司 | Cantilever device |
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| CN102270010B (en) | 2014-04-02 |
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