CN105065446A - Resistance-variable self-lubricating joint structure - Google Patents
Resistance-variable self-lubricating joint structure Download PDFInfo
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- CN105065446A CN105065446A CN201510391080.2A CN201510391080A CN105065446A CN 105065446 A CN105065446 A CN 105065446A CN 201510391080 A CN201510391080 A CN 201510391080A CN 105065446 A CN105065446 A CN 105065446A
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- ball
- head
- head cover
- articulation structure
- selflubricating
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Abstract
The invention provides a resistance-variable self-lubricating joint structure. The resistance-variable self-lubricating joint structure comprises a ball head shaft with spherical outside surfaces at two ends, ball head sleeves cooperating with the spherical outside surfaces at two ends of the ball head shaft, and a support for fixing the ball head shaft and the ball head sleeves. The joint structure provided by the invention can adjust in any direction, and can be fixed in any specific position under certain load, and the resistance (friction force) between a spherical inside surface and a spherical outside surface can be adjusted, so the structure can adapt to different weights of load, and wearing between the spherical inside surface and spherical outside surface is made up, thereby the structure can be used for a long term.
Description
Technical field
The invention belongs to field of bearings, particularly a kind of unit selflubricating articulation structure of adjustable resistance, can be applicable to all needs in the product facility of thrust load.
Background technique
Articulation structure is generally used for be needed in the product facility of thrust load, and the inside and outside spherical surface gap of common joints structure is fixed, and friction factor is constant, and working life is short, and being difficult to be applied to needs repeatedly to adjust and in wear-resisting occasion.What particularly occur in recent years wearablely wears smart machine, because head circumference size, eye relief distances etc. between different personnel are all different, need the viewing position adjusting helmet in actual applications in real time, and adjustable mechanism (as swan-neck tube, conventional joint shaft bearing etc.) provided on the market at present, usually there is the shortcomings such as load-carrying ability deficiency, positioning precision are not high, the positional stability difference of adjustment location.
Summary of the invention
Technology of the present invention is dealt with problems: can keep universal regulated function, and make up the deficiency of the articulation structure of above-mentioned shortcoming, a kind of unit selflubricating articulation structure of adjustable resistance is provided, for any direction regulates and position-adjustable realizes stable, can be applied to and be not limited only to wearable device field, for the associated load assemblies such as joint of robot, surgical engine mechanical arm provide stable, adjustable support solution, to meet all kinds of actual demands in market.
The technology of the present invention solution:
A unit selflubricating articulation structure for adjustable resistance, its structural type is as follows: the ball head of two ends outer spherical surface, the ball-head cover coordinated with described ball head two ends outer spherical surface, for fixing and locking ball head and ball-head cover support; Mating spherical surfaces between the outer spherical surface of ball head and ball-head cover inner ball surface, and can friction slip, glide direction is any direction, and the damping force of friction slip is controlled by the gap between adjusting ball head outer spherical surface and ball-head cover inner ball surface.Ball-head cover has place's rectangle groove, this rectangle groove is implemented in inner ball surface from external cylindrical surface, support has place's rectangle groove, regulative mode is tightened up through the internal and external spherical surfaces rectangle groove lock bracket of ball-head cover compressing ball-head cover and ball head while rectangle groove with slack adjuster, by adjusting elasticity screw, the surface friction drag controlled between ball head and ball-head cover carrys out the load-carrying ability of adjusting joint controlling mechanism.
A unit selflubricating articulation structure for adjustable resistance, adopts material as follows:
The material that ball head adopts is the other materials of metallic material or peripheral coated metal material, or the high on-deformable high molecule plastic of temperature stability; Ball-head cover adopts match steel material (POM), teflon woven composite, the polyether-ether-ketone (PEEK) with self-lubricating function; Joint frame adopts duralumin metal, PC plastic materials, polyether-ether-ketone (PEEK) macromolecular material and activated carbon composite lamination coating.
A unit selflubricating articulation structure for adjustable resistance, can realize with following processing mode:
Ball head is realized by numerical control machining center (CNC) processing, injection molding manner, and the surface finishment coordinating polishing, electroplating technology to make reaches more than 3.2 microns, circularity reaches more than 0.05 millimeter; The circularity of ball-head cover reaches more than 0.05 millimeter, just can be obtained from zero to infinitely-great load force, reach required loading demands and universal regulated function by degree of the tightening up dynamic adjustments of tightening structure.
Meanwhile, compress ball-head cover by support between ball head and connect, the multi-stage superimposed of joint length can be realized.Load is fixed on one end of the ball head of end, can make flexible also Universal rotary.
The present invention's advantage is compared with prior art: articulation structure provided by the invention, not only can adjust by any direction, certain position can also be fixed under certain loads, and behind this joint of Long-Time Service, often become loosening because of the wearing and tearing between ball head and the internal and external spherical surfaces of ball-head cover, by adjusting elasticity screw, again joint is carried out fastening, make structure Long-Time Service.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the STRUCTURE DECOMPOSITION figure of the embodiment of the present invention 1;
Fig. 3 is the adjustment direction schematic diagram of the embodiment of the present invention 1;
Fig. 4 is the multilevel hierarchy schematic diagram of the embodiment of the present invention 1.
Fig. 5 is the structural representation of the embodiment of the present invention 2;
Fig. 6 is the STRUCTURE DECOMPOSITION figure of the embodiment of the present invention 2;
Fig. 7 is the adjustment direction schematic diagram of the embodiment of the present invention 2;
Fig. 8 is the multilevel hierarchy schematic diagram of the embodiment of the present invention 2.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail, contributes to making the object of this aspect and function clearly.The specific embodiment that this place is set forth is only for explaining the present invention, and the concrete profile, size etc. that represent in embodiment are not limited to the present invention.
Embodiment 1:
As shown in Figure 1, a kind of adjustable resistance unit self-lubricating knuckle bearing of the present invention, only represents part related to the present invention.
As shown in Figure 1, a kind of adjustable resistance unit self-lubricating knuckle bearing of the present invention, containing 3 parts: the ball head P1 of two ends outer spherical surface, the ball-head cover P2 coordinated with described ball head two ends outer spherical surface, for the support P3 of fixing ball head and ball-head cover, the material that ball head P1 in the present embodiment adopts is stainless steel material, and ball-head cover P2 adopts the match steel material (POM) with self-lubricating function, and support P3 adopts duralumin metallic material.Ball head P1 is realized by numerical control machining center (CNC) processing, and the surface finishment after polishing reaches 3.2 microns, circularity reaches 0.05 millimeter, and the circularity of ball-head cover P2 reaches 0.05 millimeter.
As shown in Figure 1, ball head P1 is wrapped in ball-head cover P2, and ball-head cover P2 is wrapped in support P3.
Other one end of ball head P1 can connect same ball-head cover and support, and the other end of support P3 equally also can connect another ball head.
As shown in Figure 2, the two ends of ball head P1 are outer spherical surface, and the inside of ball-head cover P2 is inner ball surface, and ball head P1 is identical with the spherical radius of ball-head cover P2, for ensureing that one end of ball head P1 can be free to slide in the inside of ball-head cover P2.
As shown in STRUCTURE DECOMPOSITION Fig. 2 of the present embodiment, the outside of ball-head cover P2 is circular cylinder, and ball-head cover P2 can load in one end lower counterbore of support P3, and the internal diameter of lower counterbore is consistent with the external diameter of ball-head cover P2.
As shown in Figure 2, the assemble sequence of this articulation structure is as follows: be first assemblied in ball-head cover P2 by ball head P1, then is assemblied in support P3 together with ball head P1 by ball-head cover P2.
As shown in Figure 3, this articulation structure can do the slip of any direction along the lower counterbore center of support P3.
As shown in Figure 3, ball-head cover P2 has place's rectangle groove, this rectangle groove is implemented in inner ball surface from external cylindrical surface, width is about 1/3 of spherical radius, support has place's rectangle groove, tightens up regulative mode through the internal and external spherical surfaces rectangle groove lock bracket of ball-head cover compressing ball-head cover and ball head while rectangle groove with slack adjuster.This articulation structure is by the slack adjuster of support P3, regulate support P3 opened gap, thus the gap between adjusting ball head axle P1 and ball-head cover P2, reach the resistance increasing or reduce between ball head P1 and ball-head cover P2, and then regulate the load-carrying ability of whole articulation structure.
As shown in Figure 4, this articulation structure connects 5 identical facet joint structure elements by left and right, realizes multilevel hierarchy, reaches the multi-stage superimposed of joint, realize the increase of total joint length, increases the degrees of freedom that total joint regulates;
As shown in Figure 4, the two ends, left and right of this multistage articulation structure can connect other functional units of helmet by link.
This embodiment can be applicable to the Adjustable supporter of LED desk lamp lamp holder, medical operating guide wears the fields such as video-unit, wear-type viewfinder, joint of robot.
Embodiment 2:
The present embodiment is the articulation structure that can regulate each unit bearing capacity respectively.
As shown in Figure 5, a kind of adjustable resistance unit self-lubricating knuckle bearing of the present invention, containing 3 parts: the ball head P4 of two ends outer spherical surface, the ball-head cover P5 coordinated with described ball head two ends outer spherical surface, for the support P6 of fixing ball head and ball-head cover.
As shown in Figure 5, ball head P4 is wrapped in ball-head cover P5, and ball-head cover P4 is wrapped in support P6, and the material that the ball head P4 in the present embodiment adopts is stainless steel material, ball-head cover P5 adopts the match steel material (POM) with self-lubricating function, and support P6 adopts duralumin metallic material.Ball head P4 is realized by numerical control machining center (CNC) processing, and the surface finishment after polishing reaches 3.2 microns, circularity reaches 0.05 millimeter, and the circularity of ball-head cover P5 reaches 0.05 millimeter.
Other one end of ball head P4 can connect same ball-head cover and support, and the other end of support P6 equally also can connect another ball head.
As shown in Figure 5, the two ends of ball head P4 are outer spherical surface, and the inside of ball-head cover P5 is inner ball surface, and ball head P4 is identical with the spherical radius of ball-head cover P5, for ensureing that one end of ball head P4 can be free to slide in the inside of ball-head cover P5.
As shown in STRUCTURE DECOMPOSITION Fig. 6 of the present embodiment, the outside of ball-head cover P5 is circular cylinder, and ball-head cover P5 can load in one end lower counterbore of support P6, and the internal diameter of lower counterbore is consistent with the external diameter of ball-head cover P5.
As shown in Figure 6, the assemble sequence of this articulation structure is as follows: be first assemblied in ball-head cover P5 by ball head P4, then is assemblied in support P6 together with ball head P4 by ball-head cover P5.
As shown in Figure 7, this articulation structure can do the slip of any direction along the lower counterbore center of support P6.
As shown in Figure 7, ball-head cover P5 has place's rectangle groove, this rectangle groove is implemented in inner ball surface from external cylindrical surface, width is about 1/3 of spherical radius, support has place's rectangle groove, tightens up regulative mode through the internal and external spherical surfaces rectangle groove lock bracket of ball-head cover compressing ball-head cover P5 and ball head P4 while rectangle groove with slack adjuster.This articulation structure is by the slack adjuster of support P6, regulate support P6 opened gap, thus the gap between adjusting ball head axle P4 and ball-head cover P5, reach the resistance increasing or reduce between ball head P1 and ball-head cover P2, and then regulate the load-carrying ability of whole articulation structure.
As shown in Figure 7, support P6, with 2 slack adjusters, can regulate the opened gap at support P6 two ends respectively, thus can distinguish the resistance between adjusting pole P6 two ends ball head P4 and ball-head cover P5.
As shown in Figure 8, this articulation structure connects 4 identical facet joint structure elements by left and right, realizes multilevel hierarchy, reaches the multi-stage superimposed of joint, realize the increase of total joint length, increases the degrees of freedom that total joint regulates;
As shown in Figure 8, the two ends, left and right of this multistage articulation structure can connect other functional units of helmet by link.
This embodiment can be applicable to the Adjustable supporter of LED desk lamp lamp holder, medical operating guide wears the fields such as video-unit, wear-type viewfinder, joint of robot.
The foregoing is only embodiments of the invention, any amendment done within principle of the present invention and right, replacement and improvement etc., all should be considered as of the present invention comprising within scope.
Claims (10)
1. an articulation structure for adjustable resistance selflubricating, is characterized in that: described articulation structure comprises: the ball head of two ends outer spherical surface, the ball-head cover coordinated with described ball head two ends outer spherical surface, for fixing and locking ball head and ball-head cover support; Mating spherical surfaces between the outer spherical surface of ball head and ball-head cover inner ball surface, and can friction slip, glide direction is any direction, and the damping force of friction slip is controlled by the gap between adjusting ball head outer spherical surface and ball-head cover inner ball surface.
2. the articulation structure of adjustable resistance selflubricating according to claim 1, is characterized in that: described ball-head cover has place's rectangle groove, and this rectangle groove is implemented in inner ball surface from external cylindrical surface; Described support has place's rectangle groove, regulative mode is tightened up through the internal and external spherical surfaces rectangle groove lock bracket of ball-head cover compressing ball-head cover and ball head while rectangle groove with slack adjuster, by adjusting elasticity screw, the surface friction drag controlled between ball head and ball-head cover carrys out the load-carrying ability of adjusting joint controlling mechanism.
3. the articulation structure of adjustable resistance selflubricating according to claim 1, is characterized in that: the material that described ball head adopts is the other materials of metallic material or peripheral coated metal material, or the high on-deformable high molecule plastic of temperature stability.
4. the articulation structure of adjustable resistance selflubricating according to claim 1, is characterized in that: described ball-head cover adopts match steel material (POM), teflon woven composite, the polyether-ether-ketone (PEEK) with self-lubricating function.
5. the articulation structure of adjustable resistance selflubricating according to claim 1, is characterized in that: described joint frame adopts duralumin metal, PC plastic materials, polyether-ether-ketone (PEEK) macromolecular material and activated carbon composite lamination coating.
6. the articulation structure of adjustable resistance selflubricating according to claim 1, it is characterized in that: described ball head is realized by numerical control machining center (CNC) processing, injection molding manner, the surface finishment coordinating polishing, electroplating technology to make reaches more than 3.2 microns, circularity reaches more than 0.05 millimeter.
7. the articulation structure of adjustable resistance selflubricating according to claim 1, it is characterized in that: the circularity of described ball-head cover reaches more than 0.05 millimeter, just can be obtained from zero to infinitely-great load force by degree of the tightening up dynamic adjustments of tightening structure, reach required loading demands and universal regulated function.
8. the articulation structure of adjustable resistance selflubricating according to claim 1, is characterized in that: compress ball-head cover by support between described ball head and connect, can realize the multi-stage superimposed of joint length.
9. the articulation structure of adjustable resistance selflubricating according to claim 1, is characterized in that: described load is fixed on one end of the ball head of end, can make flexible also Universal rotary.
10. the articulation structure of adjustable resistance selflubricating according to claim 1, it is characterized in that: described articulation structure is applied in the location of helmet load components, or be applied to all needs and regulate arbitrarily and need in the load adjustment device of position stability, comprise the Adjustable supporter of LED desk lamp lamp holder, medical operating guide wears video-unit, police and fight and wear video, wear-type viewfinder, joint of robot field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391080.2A CN105065446A (en) | 2015-07-07 | 2015-07-07 | Resistance-variable self-lubricating joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391080.2A CN105065446A (en) | 2015-07-07 | 2015-07-07 | Resistance-variable self-lubricating joint structure |
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| Publication Number | Publication Date |
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| CN105065446A true CN105065446A (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510391080.2A Pending CN105065446A (en) | 2015-07-07 | 2015-07-07 | Resistance-variable self-lubricating joint structure |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002327893A (en) * | 2001-05-01 | 2002-11-15 | Miyoshi Kikai:Kk | Universal supporting tool |
| CN2718366Y (en) * | 2004-07-19 | 2005-08-17 | 周大庆 | Tripod with table which can adjust angle |
| CN101881299A (en) * | 2010-07-20 | 2010-11-10 | 嘉善长盛塑料轴承技术有限公司 | Plastic oscillating bearing |
| CN202884404U (en) * | 2012-07-20 | 2013-04-17 | 范国庆 | Universal adjustable clamp holder capable of being adjusted in axial direction |
| CN203147214U (en) * | 2013-01-30 | 2013-08-21 | 上虞市舜益电子元件厂 | Tripod |
| CN203391915U (en) * | 2013-08-23 | 2014-01-15 | 暴李 | Umbrella bracket |
| CN103919591A (en) * | 2014-04-24 | 2014-07-16 | 中国科学院深圳先进技术研究院 | Robot for assisting in nasal endoscopic surgery |
-
2015
- 2015-07-07 CN CN201510391080.2A patent/CN105065446A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002327893A (en) * | 2001-05-01 | 2002-11-15 | Miyoshi Kikai:Kk | Universal supporting tool |
| CN2718366Y (en) * | 2004-07-19 | 2005-08-17 | 周大庆 | Tripod with table which can adjust angle |
| CN101881299A (en) * | 2010-07-20 | 2010-11-10 | 嘉善长盛塑料轴承技术有限公司 | Plastic oscillating bearing |
| CN202884404U (en) * | 2012-07-20 | 2013-04-17 | 范国庆 | Universal adjustable clamp holder capable of being adjusted in axial direction |
| CN203147214U (en) * | 2013-01-30 | 2013-08-21 | 上虞市舜益电子元件厂 | Tripod |
| CN203391915U (en) * | 2013-08-23 | 2014-01-15 | 暴李 | Umbrella bracket |
| CN103919591A (en) * | 2014-04-24 | 2014-07-16 | 中国科学院深圳先进技术研究院 | Robot for assisting in nasal endoscopic surgery |
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Application publication date: 20151118 |