CN206852386U - A kind of rotating mechanism and turning chair with auto-reset function - Google Patents
A kind of rotating mechanism and turning chair with auto-reset function Download PDFInfo
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- CN206852386U CN206852386U CN201621421313.5U CN201621421313U CN206852386U CN 206852386 U CN206852386 U CN 206852386U CN 201621421313 U CN201621421313 U CN 201621421313U CN 206852386 U CN206852386 U CN 206852386U
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- rotating mechanism
- sleeve
- mechanism according
- guide sleeve
- buffering suface
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Abstract
The utility model discloses the rotating mechanism with auto-reset function, including central rotation post, positioning sleeve, guide sleeve and spring, the central rotation post, which is provided with, is oriented to convex portion, the guiding convex portion includes mounting post and roller, the guide sleeve is provided with the spigot surface coordinated with the guiding convex portion, the spigot surface includes two symmetrically arranged semi-ring inclined-planes, and the connecting place on the semi-ring inclined-plane is provided with buffer part.The utility model can realize that 180 ° of fixed angle rotates and is located to 180 °, and external force returns back to initial position, service life length, easy to assembly, quick, simple and beautiful structure when disappearing.
Description
Technical field
The utility model belongs to field of sanitary equipment, especially belongs to the attachment structure field of household articles, especially relates to
And a kind of rotating mechanism and turning chair with auto-reset function.
Background technology
Chinese patent CN 204483423 discloses a kind of automatic return rotating table and turning chair, including is fixed with serving post
The central rotation post of connection, positioning sleeve, guide sleeve, spring and the outer sleeve for being set in central rotation post periphery, central rotation post
It is provided with and is oriented to protrusion location division, being oriented to protrusion location division includes mounting pin and roller, and the outer circumference surface of roller is provided with dentation
Projection, it is made of plastics, and guide sleeve is provided with the guide ring inclined-plane coordinated with roller.When by external force rotating table top, on
Table post drives the rotation of central rotation post, and lower table post fixed jacket cylinder is motionless, and central rotation post drives roller to turn around central rotation post
Dynamic, roller withstands guide ring inclined-plane when rotating so that guide sleeve moves up compression spring, when external force disappears, in the reply of spring
Under power effect, guide sleeve pushes so that roller rotates along opposite direction, until being reset to original position completely.
But the angle of said structure rotation is any angle, easily causes excessive rotation, can not realize 180 °, 360 °
Deng the rotation for determining angle；Roller is made up of plastic material, can only bear the rotation of most 6000 times, service life is relatively
It is short；And when by it is above-mentioned automatically reply rotating mechanism and be assembled on the turning chair with a plurality of leg when, it usually needs will rotate
The seat of chair and the line of adjacent leg be arranged in parallel, need during so as to assemble to be positioned, and said structure can not be real well
Now position.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of return rotation that can realize 180 ° and 360 °
Turn, the rotating mechanism and turning chair with auto-reset function that service life is long, easy to assembly.
Technical scheme is used by the utility model solves its technical problem：A kind of rotation with auto-reset function
Mechanism, including central rotation post, positioning sleeve, guide sleeve and spring, the central rotation post, which is provided with, is oriented to convex portion, and the guiding is convex
Portion includes mounting post and roller, and the guide sleeve is provided with the spigot surface coordinated with the guiding convex portion, and the spigot surface includes two
Individual symmetrically arranged semi-ring inclined-plane, the connecting place on the semi-ring inclined-plane are provided with buffer part.The setting of buffer part causes in outer masterpiece
With lower center of rotation column spinner drive roller along spigot surface rotate to buffer part when, buffer part can be formed with pair roller one it is slow
Punching acts on, and has a pause transition in the angle corresponding to buffer part, and the usual angle is 180 ° or 360 °, not only can be real
The rotation of existing fixed angle, and the feel strong to rotation person one prompting, reach prompting rotation person and are rotated to fixed angles
The purpose of degree, and position to the angle, it is necessary to it can be just rotated further by larger external force；And during buffer part does not interfere with yet
The revolution of heart column spinner resets.
Further, the buffer part includes the first buffering suface and the second buffering suface.First buffering suface can be prompted effectively
180 ° of feel is turned to, and is positioned to 180 °, the second buffering suface can effectively prompt to turn to 360 ° of feel, and position extremely
360°。
Further, first buffering suface is horizontal plane structure.
Further, first buffering suface is the curved-surface structure to raise up.The curved-surface structure is flatter, can guarantee that
While buffering positioning is to the angle, it also can guarantee that central rotation post is reset to initial position.
Further, second buffering suface is the curved-surface structure to lower recess.During initial position, roller is fastened on second
On buffering suface, the curved-surface structure also can guarantee that central rotation post is reset to just while can guarantee that buffering positioning to the angle
Beginning position.
Further, the outer circumference surface of the roller is provided with detent projection, and the semi-ring inclined-plane is provided with and the dentation
The fin of male cooperation.The cooperation of detent projection and fin, noise caused by rotation is not only reduced, and to rotate more
Effectively, more smoothly.
Further, in addition to outer sleeve, the outer sleeve are provided with the wear-resistant sleeve coordinated with central rotation post.In preventing
Heart column spinner and outer sleeve form larger abrasion after rotating repeatedly, increase the service life.
Further, correspond on the guide sleeve at buffer part and be provided with positioning bar.Usual swivel chair has multiple legs, when
When the end connecting line of adjacent leg and the side of seat support be arranged in parallel, leg will not protrude from the plane below seat support face,
Leg completely in the range of the position directly below of seat support, so as to do not interfere with user both feet shelve, pin will not be hindered, when incite somebody to action from
When the rotating mechanism of dynamic reset function is assembled on swivel chair, in order to realize above-mentioned function, rigging position must be fixed, otherwise can not
Realize, only need to be by positioning bar face screw hole installation settings, so as to easy to assembly, quick during assembling.
Further, the quantity of the positioning bar is two, and it is symmetrically set in the side wall of guide sleeve.One positioning bar position
In in the side wall of the buffering suface of guide sleeve face first, another positioning bar is located in the side wall of the buffering suface of guide sleeve face second.
The invention also discloses a kind of turning chair, including seat support and chair pillar, the chair pillar is provided with above-mentioned with certainly
The rotating mechanism of dynamic reset function.
The beneficial effects of the utility model are：It can realize that 180 ° of fixed angle rotates and is located to 180 °, outside
Power returns back to initial position, service life length, easy to assembly, quick, simple and beautiful structure when disappearing.
Brief description of the drawings
Fig. 1 is part isometric structural representation of the present utility model.
Fig. 2 is the structural representation of guide sleeve.
Fig. 3 is the structural representation of mounting post.
Fig. 4 is the structural representation of outer sleeve.
Fig. 5 is the structural representation of spring.
Fig. 6 is the fit structure schematic diagram of the utility model and Rotatable chair support.
Fig. 7 is the structural representation of Rotatable chair support.
Embodiment
In order that those skilled in the art are better understood from the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model, it is clear that described
Embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all should
When the scope for belonging to the utility model protection.
Shown in reference picture 1-7, a kind of rotating mechanism with auto-reset function, including central rotation post 1, positioning sleeve 2,
Guide sleeve 3 and spring 4.One end of central rotation post 1, which is fixedly connected with, is oriented to convex portion 11, is oriented to convex portion 11 and is revolved including vertical centre
The mounting post 111 and be set in the peripheral roller 112 of mounting post 111, in the present embodiment, mounting post 111 that the side wall of rotary column 1 is set
For pin feature, mounting hole is offered on central rotation post 1, one end of mounting post 111, which is inserted and fixed, to be connected in mounting hole.
Roller 112, positioning sleeve 2 and guide sleeve 3 are made up of space material, specifically fill 15-28% in raw material epoxy resin plastics
Polyamide（Nylon）, the rotation of 15000 times can be born, detent projection 113 is uniformly provided with the outer circumference surface of roller 112.
The end face of guide sleeve 3 is provided with spigot surface, and the spigot surface includes two symmetrically arranged semi-ring inclined-planes 31, two
The connecting place on semi-ring inclined-plane 31 is provided with buffer part, and buffer part includes the first buffering suface 321 at the top of spigot surface and located at leading
To the second buffering suface 322 of face bottom, the first buffering suface 321 can be horizontal plane structure or it is relatively gentle to
Upper raised curved-surface structure, and curved-surface structure raises up.Second buffering suface 322 is to lower recess, relatively flat curved surface
Structure either horizontal plane structure.Except the first buffering suface 321 and the second buffering suface 322 on the semi-ring inclined-plane 31 of spigot surface
Put, other parts are uniformly laid with fin 311, and fin 311 is outwards radially distributed from center, when roller 112 is with center
When column spinner 1 rotates, fin 311 coordinates with detent projection 113.
The side wall of guide sleeve 3 is provided with symmetrically arranged two positioning bars 33, and positioning bar 33 raises up from side wall
Bead structures, circumferentially extending of the bead structures along guide sleeve 3, two positioning bars 33 are respectively positioned at corresponding to the first buffering suface 321
Face position corresponding to face position and the second buffering suface 322.
The opposite side of guide sleeve 3 is provided with two guide sleeve guide pieces 34, and positioning sleeve 2 is provided with mutual with guide sleeve guide piece 34
Two positioning sleeve guide pieces being nested, guide sleeve guide piece 34 and positioning sleeve guide piece are to be pasted with the outer wall of central rotation post 1
The arc-shaped flaky structure of conjunction, guide sleeve guide piece 34 and positioning sleeve guide piece are arranged alternately, and guide sleeve guide piece 34 and positioning
The relative one end of set guide piece contacts with each other engaging, and positioning sleeve guide piece can be along the sky between two guide sleeve guide pieces 34
Between interior edge central rotation post 1 axial movement, and the inwall of positioning sleeve guide piece is bonded with the outer wall of central rotation post 1.
Spring 4 is fastened between guide sleeve 3 and positioning sleeve 2, and is set in guide sleeve guide piece 34 and positioning sleeve guide piece
Periphery.The both ends of spring 4 polish processing by flanging, and not parallel difference is not more than 0.5mm when it deploys.
Above-mentioned central rotation post 1, positioning sleeve 2, guide sleeve 3 and spring 4 are set in outer sleeve 5, outer sleeve 5 and positioning
Set 2 is connected, and one end of positioning sleeve 2 is fixedly connected with central rotation post 1 by bearing.Being connected with outer sleeve 5 prevents positioning sleeve 2
The pad 52 of sinking, pad 52 can be loop configuration, and end and the bottom surface of pad 52 of spring 4 offset.Outer sleeve 5 is provided with peace
Hole 51 is filled, can be connected by the mounting hole 51 with Rotatable chair support.It is worn after being rotated repeatedly in order to avoid central rotation post 1,
Wear-resistant sleeve 53 is set on outer sleeve 5, and inwall and the central rotation post 1 of the wear-resistant sleeve 53 are engaged, and wear-resistant sleeve 53 can be by copper
Material is made, and it has antifriction quality, extends the service life of whole rotating mechanism.
The rotating mechanism of above-mentioned auto-reset function can be arranged on swivel chair, and swivel chair includes seat support and chair pillar, swivel chair bottom
Portion is provided with leg, and the rotating mechanism of specific auto-reset function may be mounted in chair pillar, and positioning sleeve is located at close to seat support
Top, during assembling, it need to only be placed according to by a wherein positioning bar with the mounting hole face on outer sleeve, it is possible to realize seat
It is parallel with the end line of adjacent leg, so as to which the situation that final assembling completes rear leg and protrudes seat, assembling side will not be produced
Just.
When rotating swivel chair by external force, seat support drives chair pillar rotation, and chair pillar drives the rotation of central rotation post, roller just
Beginning, position was in the second buffering suface position, and roller counterclockwise or rotates clockwise, semi-ring from initial position along semi-ring inclined-plane
Detent projection on fin and roller on inclined-plane coordinates, and when roller turns to the first buffering suface, i.e., swivel chair turns to 180 °
When, the first buffering suface, which positions roller, to the angle, to be reached swivel chair and rotates 180 ° of purpose, when continuing to slightly larger external force,
Swivel chair can continue rotation to the second buffering suface, reach the purpose that swivel chair is rotated by 360 °；When stopping applying external force, due to spring
Restoring force effect, pushing rolling wheels reversely slowly rotate, when roller returns back to the first buffering suface, that is, turn round 180 ° when, first
Buffering suface, which can position roller, to the angle, continues to slightly larger external force, and swivel chair can continue rotation and return back to initial position.
Above-mentioned embodiment is used for illustrating the utility model, rather than the utility model is limited,
Spirit of the present utility model and any modifications and changes in scope of the claims, made to the utility model, all fall
Enter the scope of protection of the utility model.
Claims (10)
1. a kind of rotating mechanism with auto-reset function, including central rotation post (1), positioning sleeve (2), guide sleeve (3) and
Spring (4), the central rotation post (1), which is provided with, is oriented to convex portion (11), and the guiding convex portion (11) includes mounting post (111) and rolling
Take turns (112), the guide sleeve (3) is provided with the spigot surface coordinated with guiding convex portion (11), and the spigot surface is right including two
Claim the semi-ring inclined-plane (31) set, it is characterised in that：The connecting place of the semi-ring inclined-plane (31) is provided with buffer part.
2. rotating mechanism according to claim 1, it is characterised in that：The buffer part include the first buffering suface (321) and
Second buffering suface (322).
3. rotating mechanism according to claim 2, it is characterised in that：First buffering suface (321) is horizontal plane structure.
4. rotating mechanism according to claim 2, it is characterised in that：First buffering suface (321) raises up
Curved-surface structure.
5. rotating mechanism according to claim 2, it is characterised in that：Second buffering suface (322) is to lower recess
Curved-surface structure.
6. rotating mechanism according to claim 1, it is characterised in that：The outer circumference surface of the roller (112) is provided with tooth
Shape projection (113), the semi-ring inclined-plane (31) are provided with the fin (311) coordinated with the detent projection (113).
7. rotating mechanism according to claim 1, it is characterised in that：Also include outer sleeve (5), on the outer sleeve (5)
Provided with the wear-resistant sleeve (53) coordinated with central rotation post (1).
8. rotating mechanism according to claim 1, it is characterised in that：Correspond on the guide sleeve (3) at buffer part and set
There is positioning bar (33).
9. rotating mechanism according to claim 8, it is characterised in that：The quantity of the positioning bar (33) is two, and its is right
Claim in the side wall of guide sleeve (3).
10. a kind of turning chair, including seat support and chair pillar, it is characterised in that：The chair pillar is provided with as appointed in claim 1-9
The rotating mechanism with auto-reset function described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621421313.5U CN206852386U (en) | 2016-12-23 | 2016-12-23 | A kind of rotating mechanism and turning chair with auto-reset function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621421313.5U CN206852386U (en) | 2016-12-23 | 2016-12-23 | A kind of rotating mechanism and turning chair with auto-reset function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206852386U true CN206852386U (en) | 2018-01-09 |
Family
ID=60814120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621421313.5U Active CN206852386U (en) | 2016-12-23 | 2016-12-23 | A kind of rotating mechanism and turning chair with auto-reset function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206852386U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266303A (en) * | 2018-01-25 | 2018-07-10 | 东方电气集团东方电机有限公司 | A kind of horizontally-supported self-regulation guiding device of bulb tubular hydraulic generator |
| CN108542163A (en) * | 2018-06-15 | 2018-09-18 | 北京影达技术开发有限公司 | A kind of vivid platform rotated horizontally and horizontal initial alignment method |
-
2016
- 2016-12-23 CN CN201621421313.5U patent/CN206852386U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266303A (en) * | 2018-01-25 | 2018-07-10 | 东方电气集团东方电机有限公司 | A kind of horizontally-supported self-regulation guiding device of bulb tubular hydraulic generator |
| CN108542163A (en) * | 2018-06-15 | 2018-09-18 | 北京影达技术开发有限公司 | A kind of vivid platform rotated horizontally and horizontal initial alignment method |
| CN108542163B (en) * | 2018-06-15 | 2024-04-26 | 北京影达技术开发有限公司 | Dynamic platform capable of horizontally rotating and horizontal initial positioning method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |