CN101480521B - One-way wheel group structure - Google Patents
One-way wheel group structure Download PDFInfo
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- CN101480521B CN101480521B CN2008100013580A CN200810001358A CN101480521B CN 101480521 B CN101480521 B CN 101480521B CN 2008100013580 A CN2008100013580 A CN 2008100013580A CN 200810001358 A CN200810001358 A CN 200810001358A CN 101480521 B CN101480521 B CN 101480521B
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- big roller
- trundle
- backplate
- retractor device
- axle center
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- 238000005096 rolling process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 210000003489 abdominal muscle Anatomy 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to a unidirectional wheel set structure comprising a big roller wheel and a small roller wheel which are respectively provided with an axle center. The axle center of the big roller wheel is arranged at one end of a telescoping device, and the axle center of the small roller wheel is arranged at the other end of the telescoping device; when a unidirectional wheel set moves in front of the big roller wheel, the telescoping device enables the small roller wheel to be away from the big roller wheel; and when the big roller wheel pushes the telescoping device and the small roller wheel to move, the telescoping device enables the small roller wheel to be close to the big roller wheel and contact with the big roller wheel, so as to ensure that the small roller wheel is meshed by the big roller wheel and can not move.
Description
Technical field
The present invention relates to the mechanism of one-directional rotation, particularly an one-way wheel group structure.
Background technology
At present many products being arranged on the market all is to utilize unidirectional roller that one specific effect is provided, for example: on the sports equipment of some training abdominal muscles or on some children's game cars, can see, as " the creep operation device " of domestic novel patent announcement number No. 255203.Generally speaking, for roller is reached towards to rotation and the reverse effect of check of folk prescription, usually all can on the axle center of this roller, add some extra mechanisms and reach, for example add a unilateral bearing or a single direction ratchet and make roller can comply with demand and reach towards single direction and rotate and the reverse result of check.Though these unilateral bearings or single direction ratchet can be brought into play its effect but cost height and accuracy of manufacture demand problem of higher but arranged, therefore also indirect influence the cost of one-way rolling.And can make that also these one-way wheels have the generation of noise in use owing to added these structures, these all are the problems that improve.
Summary of the invention
The one-way wheel group structure that provides a kind of cost low, simple in structure is provided main purpose of the present invention.
For reaching above-mentioned purpose, one-way wheel group structure of the present invention includes: a big roller and a trundle have an axle center respectively.One retractor device, one end of this retractor device is located at the axle center of this big roller, the other end is located at the axle center of this trundle, when these unidirectional wheels with big roller preceding when mobile, this retractor device can make this trundle away from this big roller, and when these unidirectional wheels with trundle preceding when mobile, this retractor device can make this trundle touch near this big roller and with this big roller.
For feature of the present invention and effect are described, below now for five embodiment cooperate graphic detailed description as after.
Description of drawings
Fig. 1 is the top view of first embodiment of the invention;
Fig. 2 is the side view of first embodiment of the invention;
Fig. 3 is the side view of second embodiment of the invention;
Fig. 4 is the side view of third embodiment of the invention;
Fig. 5 is the side view of fourth embodiment of the invention;
Fig. 6 is the side view of fifth embodiment of the invention.
[primary clustering symbol description]
Axle center 21 retractor devices 30 are led backplate 31
Elongated slot 32 articulated sections 33
The specific embodiment
As shown in Figure 1, one-way wheel group structure of the present invention includes:
One big roller 10 and a trundle 20 have an axle center 11 and 21 respectively.
One retractor device 30, one end of this retractor device is located at the axle center 11 of this big roller, the other end is located at the axle center 21 of this trundle, when these unidirectional wheels with big roller 10 preceding when mobile, this retractor device 30 can make this trundle 20 away from this big roller 10, and when these unidirectional wheels with trundle 20 preceding when mobile, this retractor device 30 can make this trundle 20 touch near these big rollers 10 and with this big roller 10, and then can't rotate with big roller 10 mutual contacts.
As Fig. 1 and shown in Figure 2, be the first embodiment of the present invention, originally executing in the example this retractor device is two to lead backplate 31, be located at the both sides of big roller 10 respectively, and be located at the axle center 11 of this big roller respectively with an end, the other end of respectively leading backplate is provided with an elongated slot 32,20 of this trundles are hubbed at this with its axle center 21 and two lead between the two corresponding elongated slots 32 of backplate 31, by this, shown in the A direction of arrow among Fig. 1, when these unidirectional wheels place a plane and with big roller 10 preceding when mobile, this retractor device 30 and this trundle 20 can be walked in tow by big roller 10, and,, and make this trundle 20 away from this big roller 10 so the axle center 21 of this trundle 20 can move to the rear end of this elongated slot 32 because this trundle is moved in tow by retractor device.Opposite, when these big roller 10 backscrollings, be unidirectional wheels with trundle 20 preceding when mobile, shown in the B direction of arrow among Fig. 1, the axle center 21 of this trundle can move to the front end of this elongated slot 32 and this trundle 20 is touched near this big roller 10 and with this big roller 10, therefore trundle 20 can be bitten by big roller 10, and then causes big roller 10 and trundle 20 all can't roll again, and reaches the effect of single roll.
As shown in Figure 3, be the second embodiment of the present invention, equally include a big roller 10, a trundle 20 and a retractor device 30, the elongated slot 32 of different with last embodiment is this retractor device is an end of being located at this big roller 10, and promptly this big roller is hubbed between this two elongated slot 32 with its axle center 11.Same, when these unidirectional wheels place a plane and with big roller 10 preceding when mobile, the front end that the axle center 10 of this big roller can move to this elongated slot 32 just can push away this retractor device 30 in tow this trundle 20 walk, make this trundle 20 away from this big roller 10.Opposite, when oppositely pushing away retractor device 30, this big roller 10 rolls with trundle 20, be unidirectional wheels with trundle 20 preceding when mobile, the rear end that the axle center 11 of this big roller can move to this elongated slot 32 just can push away this retractor device, this trundle 20 is touched near this big roller 10 and with this big roller 10, therefore trundle 20 can be bitten by big roller 10, and then causes big roller 10 and trundle 20 all can't roll again, and reaches the effect of one-way rolling.
As shown in Figure 4, be the third embodiment of the present invention, the two ends of different with the first two embodiment is this retractor device 30 respectively leads backplate all are provided with an elongated slot 32, and this big roller 10 and trundle 20 are hubbed between the two corresponding elongated slots 32 with its axle center respectively.Principle when action is the same with two above-mentioned embodiment, when this big roller 10 preceding when mobile, this retractor device 30 and this trundle 20 can be walked in tow by big roller 10, so the axle center 11 of this big roller 10 can move to the front end of this elongated slot 32 and make this trundle 20 away from this big roller 10.Opposite, when this big roller 10 is oppositely pushing away retractor device 30 with trundle 20 rollings, the axle center 11 of this big roller can move to the rear end of this elongated slot 32, this trundle 20 then can touch near this big roller 10 and with this big roller 10, therefore trundle 20 can be bitten by big roller 10, reaches the effect of one-directional rotation.
The fourth embodiment of the present invention as shown in Figure 5, this one-way wheel group structure is except that the structure that includes a big roller 10 and a trundle 20 and previous embodiment is identical in the present embodiment, this retractor device is two to lead backplate 31, wherein an end of leading backplate is provided with an elongated slot 32, another end of leading backplate is provided with an articulated section 33, this is led backplate and articulates with this articulated section 33 and this elongated slot 32, make this two lead backplate 31 can be inwardly move in opposite directions near or opposing outwardly moving away from, two lead backplate 31 2 by this to change this away from the distance between the end.This two is led two of backplate 31 and then is connected to the axle center of this big roller 10 and this trundle 20 the same sides away from end.By this, when this big roller 10 when preceding this retractor device 30 in tow and this trundle 20 move, this two is led backplate 31 and can be stretched, so this trundle 20 can be away from this big roller 10.Opposite, when this big roller 10 was oppositely pushing away retractor device 30 and rolls with trundle 20, this two was led backplate 31 and can be extruded, and 20 of this trundles can touch near this big roller 10 and with this big roller 10, therefore trundle 20 can be bitten by big roller 10, reaches the effect of one-directional rotation.
As shown in Figure 6, be the fifth embodiment of the present invention, this same one-way wheel group structure includes the two ends that a big roller 10 and a trundle 20 are located at a retractor device 30 respectively, and this retractor device 30 is two groups of connecting rods, be located at two sides of this big roller 10 respectively, with this structure when this big roller 10 when preceding this retractor device 30 in tow and this trundle 20 move, this two connection rod set can be stretched, so this trundle 20 can be away from this big roller 10.Opposite, when this big roller 10 is oppositely pushing away retractor device 30 with trundle 20 rollings, between two connecting rods of this connection rod set because articulate, so can not be with the thrust of big roller 10 effectively to front transfer, therefore the articulated section of connecting rod can be crooked, thus this two connecting rod can be extruded, this trundle 20 also can thereby near this big roller 10, cause trundle 20 to be bitten, reach the effect of one-directional rotation by big roller 10.This connecting rod is not to be provided with two groups in the present embodiment, and two connecting rods that also can only be provided with a group can also be reached identical use effect in a side of this big roller 10.
With structure of the present invention can be simply, economical, effectively provide the one-way wheel group structure that can not produce noise when rotating, with certain many disappearances of improving former times with one-way wheel, increase competitiveness of product.
Claims (8)
1. an one-way wheel group structure is characterized in that including:
One big roller and a trundle have an axle center respectively;
One retractor device, one end of this retractor device is located at the axle center of this big roller, the other end is located at the axle center of this trundle, when these unidirectional wheels with big roller preceding when mobile, this retractor device can make this trundle away from this big roller, and when this big roller backward rotation, this retractor device can make this trundle touch near this big roller and with this big roller, and then with the mutual contact of big roller this trundle and this big roller all can't be rotated.
2. according to the described one-way wheel group structure of claim 1, it is characterized in that this retractor device is two to lead backplate, is located at the both sides of big roller respectively.
3. according to the described one-way wheel group structure of claim 2, it is characterized in that, this two lead backplate each be located at this big roller with the one end, the other end of respectively leading backplate is provided with an elongated slot, this trundle then is hubbed between this two elongated slot with its axle center.
4. according to the described one-way wheel group structure of claim 2, it is characterized in that, this two lead backplate each be located at this trundle with the one end, the other end of respectively leading backplate is provided with an elongated slot, this big roller then is hubbed between this two elongated slot with its axle center.
5. according to the described one-way wheel group structure of claim 2, it is characterized in that these two two ends of leading backplate all are provided with an elongated slot, this big roller and trundle are hubbed between the two corresponding elongated slots with its axle center respectively.
6. according to the described one-way wheel group structure of claim 2, it is characterized in that, described two ends of leading one of backplate are provided with an elongated slot, another end of leading backplate is provided with an articulated section, this is led backplate and articulates with this articulated section and this elongated slot, make this two lead backplate can be inwardly move in opposite directions near or opposing outwardly moving away from, two lead backplate two by this to change this away from the distance between the end.
7. according to the described one-way wheel group structure of claim 1, it is characterized in that this retractor device is two groups of connecting rods, be located at the both sides of this big roller respectively.
8. according to the described one-way wheel group structure of claim 1, it is characterized in that this retractor device is the side that one group of two connecting rod is located at this big roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100013580A CN101480521B (en) | 2008-01-09 | 2008-01-09 | One-way wheel group structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100013580A CN101480521B (en) | 2008-01-09 | 2008-01-09 | One-way wheel group structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101480521A CN101480521A (en) | 2009-07-15 |
| CN101480521B true CN101480521B (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100013580A Active CN101480521B (en) | 2008-01-09 | 2008-01-09 | One-way wheel group structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101480521B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1467139A (en) * | 1973-12-31 | 1977-03-16 | Flexello Castors Wheels Ltd | Arresting roation of wheels |
| US4669686A (en) * | 1984-07-13 | 1987-06-02 | U.S. Philips Corporation | Braking mechanism with different forces for opposite directions |
| CN2494280Y (en) * | 2001-06-25 | 2002-06-05 | 江昆炽 | Caster with brake function and directional control |
-
2008
- 2008-01-09 CN CN2008100013580A patent/CN101480521B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1467139A (en) * | 1973-12-31 | 1977-03-16 | Flexello Castors Wheels Ltd | Arresting roation of wheels |
| US4669686A (en) * | 1984-07-13 | 1987-06-02 | U.S. Philips Corporation | Braking mechanism with different forces for opposite directions |
| CN2494280Y (en) * | 2001-06-25 | 2002-06-05 | 江昆炽 | Caster with brake function and directional control |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-306246A 2006.11.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101480521A (en) | 2009-07-15 |
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