CN219045552U - Double-ratchet unidirectional transmission mechanism - Google Patents
Double-ratchet unidirectional transmission mechanism Download PDFInfo
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- CN219045552U CN219045552U CN202221117313.1U CN202221117313U CN219045552U CN 219045552 U CN219045552 U CN 219045552U CN 202221117313 U CN202221117313 U CN 202221117313U CN 219045552 U CN219045552 U CN 219045552U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model relates to a double-ratchet unidirectional transmission mechanism, which comprises: a mounting base; the first transmission shaft and the second transmission shaft are both rotatably arranged on the mounting base; the first driving wheel and the second driving wheel are fixedly connected to the first transmission shaft; the first ratchet wheel assembly is arranged on the second transmission shaft and connected with the first driving wheel, and when the first driving wheel rotates positively, the first ratchet wheel assembly can be driven to rotate positively, so that the second transmission shaft is driven to rotate positively; the driving wheel is rotatably connected to the mounting base and is connected with the second driving wheel; the second ratchet wheel component is arranged on the second transmission shaft and connected with the transmission wheel, and when the second driving wheel reversely rotates, the second ratchet wheel component can be driven to positively rotate through the transmission wheel, so that the second transmission shaft is driven to positively rotate. The utility model has the advantages that: through setting up first ratchet subassembly and second ratchet subassembly, when first transmission shaft forward rotation or reverse rotation, can both drive the forward rotation of second transmission shaft.
Description
Technical Field
The utility model relates to a ratchet transmission structure, in particular to a double-ratchet unidirectional transmission mechanism.
Background
The ratchet structure can carry out unidirectional transmission, realizes specific mechanical movement, and has wide application fields in the transmission mechanical structure, such as bicycles and the like.
However, the common ratchet structure can only perform unidirectional transmission with fixed transmission ratio, and cannot meet diversified requirements.
Disclosure of Invention
Based on this, it is necessary to provide a dual ratchet one-way drive mechanism in view of the above-mentioned problems.
A dual ratchet unidirectional transmission mechanism, said dual ratchet unidirectional transmission mechanism comprising: a mounting base; the first transmission shaft and the second transmission shaft are both rotatably arranged on the mounting base, and are arranged in parallel; the first driving wheel and the second driving wheel are fixedly connected to the first transmission shaft; the first ratchet wheel assembly is arranged on the second transmission shaft and is connected with the first driving wheel, and when the first driving wheel rotates positively, the first ratchet wheel assembly can be driven to rotate positively, so that the second transmission shaft is driven to rotate positively; the driving wheel is rotationally connected to the mounting base and is connected with the second driving wheel; the second ratchet wheel component is arranged on the second transmission shaft and connected with the transmission wheel, and when the second driving wheel reversely rotates, the second ratchet wheel component can be driven to positively rotate through the transmission wheel, so that the second transmission shaft is driven to positively rotate.
In one embodiment, the first ratchet assembly comprises a first outer wheel, a first torsion spring and a first pawl, the first outer wheel is rotatably connected to the second transmission shaft, a first ratchet is arranged on an inner ring of the first outer wheel, the first pawl is rotatably arranged on the second transmission shaft, and under the action of the first torsion spring, the first pawl is matched with the first ratchet to enable the first outer wheel to be capable of unidirectionally driving the second transmission shaft to positively rotate.
In one embodiment, the second ratchet assembly comprises a second outer wheel, a second torsion spring and a second pawl, the second outer wheel is rotatably connected to the second transmission shaft, a second ratchet is arranged on an inner ring of the second outer wheel, the second pawl is rotatably arranged on the second transmission shaft, and under the action of the second torsion spring, the second pawl is matched with the second ratchet to enable the first outer wheel to be capable of unidirectionally driving the second transmission shaft to positively rotate.
In one embodiment, the first driving wheel, the second driving wheel, the first outer wheel, the second outer wheel and the driving wheel are gears.
In one embodiment, the first driving wheel and the first outer wheel are both chain wheels and are connected through a chain.
In one embodiment, the first drive wheel and the first outer wheel have a different gear ratio than the second drive wheel and the second outer wheel.
In one embodiment, the first drive wheel and the first outer wheel have a larger gear ratio than the second drive wheel and the second outer wheel.
In one embodiment, the mounting base is composed of a first mounting seat and a second mounting seat, the first transmission shaft is arranged on the first mounting seat, and the second transmission shaft is arranged on the second mounting seat.
In one embodiment, a flywheel is also fixedly arranged on the second transmission shaft.
The utility model has the advantages that:
(1) Through setting up first ratchet subassembly and second ratchet subassembly, when first transmission shaft forward direction rotation, can drive the forward direction rotation of second transmission shaft through first ratchet subassembly, when first transmission shaft reverse direction rotation, can drive the forward direction rotation of second transmission shaft through second ratchet subassembly;
(2) By arranging the flywheel, the stability of the second transmission shaft can be improved in continuous transmission;
(3) The transmission mechanism has different transmission states and is suitable for different working requirements by enabling the transmission ratio of the first driving wheel to the first outer wheel to be different from the transmission ratio of the second driving wheel to the second outer wheel.
Drawings
FIG. 1 is a perspective view of a dual ratchet unidirectional transmission mechanism provided by the utility model;
FIG. 2 is a perspective view of a portion of the structure of a dual ratchet unidirectional transmission mechanism provided by the present utility model, with the mounting base hidden;
FIG. 3 is an exploded view of the structure according to FIG. 2 provided by the present utility model;
fig. 4 is an exploded view of another view of the structure according to fig. 2 provided by the present utility model.
In the figure, the mounting base 1, the first transmission shaft 21, the second transmission shaft 22, the first driving wheel 31, the second driving wheel 32, the first outer wheel 41, the first ratchet 411, the first pawl 42, the second outer wheel 51, the second ratchet 511, the second pawl 52, the driving wheel 6, and the flywheel 7.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
As shown in fig. 1 to 4, the present utility model discloses a dual ratchet unidirectional transmission mechanism, which includes: the device comprises a mounting base 1, a first driving wheel 31, a second driving wheel 32, a first ratchet wheel assembly, a driving wheel 6 and a second ratchet wheel assembly; the first transmission shaft 21 and the second transmission shaft 22 are both rotatably arranged on the mounting base 1, and the first transmission shaft 21 and the second transmission shaft 22 are arranged in parallel; the first driving wheel 31 and the second driving wheel 32 are fixedly connected to the first transmission shaft 21; the first ratchet assembly is arranged on the second transmission shaft 22 and connected with the first driving wheel 31, and when the first driving wheel 31 rotates forward, the first ratchet assembly can be driven to rotate forward, so that the second transmission shaft 22 is driven to rotate forward; the driving wheel 6 is rotatably connected to the mounting base 1 and is connected to the second driving wheel 32; the second ratchet assembly is disposed on the second transmission shaft 22 and connected to the driving wheel 6, and when the second driving wheel 32 rotates reversely, the second ratchet assembly can be driven to rotate forward by the driving wheel 6, so as to drive the second transmission shaft 22 to rotate forward.
It can be appreciated that the dual ratchet unidirectional transmission mechanism is provided with two sets of transmission structures between the first transmission shaft 21 and the second transmission shaft 22, when the first transmission shaft 21 rotates forward, the first driving wheel 31 and the first ratchet assembly can drive the second transmission shaft 22 to rotate forward, when the first transmission shaft 21 rotates reversely, the second driving wheel 32, the driving wheel 6 and the second ratchet assembly can drive the second transmission shaft 22 to rotate forward, so that when the first transmission shaft 21 rotates forward or reversely, the second transmission shaft 22 can keep rotating forward.
It should be noted that, in the present utility model, the "forward direction" and the "reverse direction" are defined by the parts themselves, and the forward directions of the different parts are not necessarily the same or opposite.
Preferably, the first ratchet assembly includes a first outer wheel 41, a first torsion spring, and a first pawl 42, where the first outer wheel 41 is rotatably connected to the second transmission shaft 22, a first ratchet 411 is provided on an inner ring of the first outer wheel 41, and the first pawl 42 is rotatably disposed on the second transmission shaft 22, and cooperates with the first ratchet 411 under the action of the first torsion spring to enable the first outer wheel 41 to unidirectionally drive the second transmission shaft 22 to rotate forward.
Preferably, the second ratchet assembly includes a second outer wheel 51, a second torsion spring, and a second pawl 52, where the second outer wheel 51 is rotatably connected to the second transmission shaft 22, a second ratchet 511 is provided on an inner ring of the second outer wheel 51, and the second pawl 52 is rotatably provided on the second transmission shaft 22, and cooperates with the second ratchet 511 under the action of the second torsion spring to enable the first outer wheel 41 to unidirectionally drive the second transmission shaft 22 to rotate in a forward direction.
In this embodiment, the first driving wheel 31, the second driving wheel 32, the first outer wheel 41, the second outer wheel 51, and the driving wheel 6 are gears.
Preferably, the transmission ratio of the first driving wheel 31 to the first outer wheel 41 is different from the transmission ratio of the second driving wheel 32 to the second outer wheel 51.
In the present embodiment, the transmission ratio of the first driving wheel 31 to the first outer wheel 41 is equal to the transmission ratio of the second driving wheel 32 to the second outer wheel 51.
Of course, in other embodiments, the transmission ratio of the first driving wheel 31 to the first outer wheel 41 may be greater or less than the transmission ratio of the second driving wheel 32 to the second outer wheel 51, so as to achieve a labor saving effect.
Further, the flywheel 7 is also fixedly arranged on the second transmission shaft 22.
It can be appreciated that by providing the flywheel 7, when the rotation direction of the first transmission shaft 21 is switched, the second transmission shaft 22 can be kept in a relatively stable forward rotation state, so that the stability of the power output of the transmission mechanism is improved.
Example 2
The present embodiment is basically the same as embodiment 1, except that the first driving wheel 31 and the first outer wheel 41 are both sprockets and are connected by a chain.
It should be noted that the technical concept of the present utility model is that, through the cooperation of the two sets of driving wheels and the ratchet assembly, the first transmission shaft 21 can drive the second transmission shaft 22 to rotate forward or backward, so that the driving wheels and the ratchet assembly can be connected in various manners, including but not limited to: conventional mechanical connection means such as chains, belts, timing belts, etc.
In the present embodiment, only the connection of the first driving wheel 31 and the first outer wheel 41 by using a chain is exemplified, but the conventional connection manner in the art should be considered to fall within the scope of the present utility model.
Example 3
The present embodiment is substantially the same as embodiment 1, except that the mounting base 1 is composed of a first mounting seat and a second mounting seat, the first transmission shaft 21 is disposed on the first mounting seat, and the second transmission shaft 22 is disposed on the second mounting seat.
In this embodiment, the mounting base 1 is composed of a first mounting seat and a second mounting seat, and the first mounting seat and the second mounting seat may be two parts of the frame, or may be two bases of the apparatus, etc., and the present utility model is not limited to the first transmission shaft 21 and the second transmission shaft 22 being mounted on the same component, and when the first transmission shaft 21 and the second transmission shaft 22 are mounted on different components, only the relative positions of the first transmission shaft 21 and the second transmission shaft 22 need to be kept unchanged.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The utility model provides a two ratchet one-way drive mechanism which characterized in that, two ratchet one-way drive mechanism include:
a mounting base;
the first transmission shaft and the second transmission shaft are both rotatably arranged on the mounting base, and are arranged in parallel;
the first driving wheel and the second driving wheel are fixedly connected to the first transmission shaft;
the first ratchet wheel assembly is arranged on the second transmission shaft and is connected with the first driving wheel, and when the first driving wheel rotates positively, the first ratchet wheel assembly can be driven to rotate positively, so that the second transmission shaft is driven to rotate positively;
the driving wheel is rotationally connected to the mounting base and is connected with the second driving wheel;
the second ratchet wheel component is arranged on the second transmission shaft and connected with the transmission wheel, when the second driving wheel reversely rotates, the second ratchet wheel component can be driven to positively rotate by the transmission wheel, thereby driving the second transmission shaft to positively rotate,
the first ratchet wheel assembly comprises a first outer wheel, a first torsion spring and a first pawl, the first outer wheel is rotatably connected to the second transmission shaft, a first ratchet is arranged on an inner ring of the first outer wheel, the first pawl is rotatably arranged on the second transmission shaft and matched with the first ratchet under the action of the first torsion spring, so that the first outer wheel can be driven in one-way mode to rotate forward of the second transmission shaft.
2. The dual-ratchet unidirectional transmission mechanism of claim 1, wherein the second ratchet assembly comprises a second outer wheel, a second torsion spring and a second pawl, the second outer wheel is rotatably connected to the second transmission shaft, the second outer wheel inner ring is provided with a second ratchet, the second pawl is rotatably arranged on the second transmission shaft, and under the action of the second torsion spring, the second pawl is matched with the second ratchet to enable the first outer wheel to unidirectionally drive the second transmission shaft to rotate forward.
3. The dual ratchet unidirectional transmission of claim 2, wherein the first drive wheel, the second drive wheel, the first outer wheel, the second outer wheel, and the transmission wheel are gears.
4. The dual ratchet unidirectional transmission mechanism of claim 2, wherein the first drive wheel and the first outer wheel are sprockets connected by a chain.
5. A dual ratchet unidirectional transmission as claimed in claim 3, wherein the ratio of the first drive wheel to the first outer wheel is different from the ratio of the second drive wheel to the second outer wheel.
6. The dual ratchet unidirectional transmission of claim 5, wherein a transmission ratio of the first drive wheel to the first outer wheel is greater than a transmission ratio of the second drive wheel to the second outer wheel.
7. The dual ratchet unidirectional transmission mechanism of claim 1, wherein the mounting base is comprised of a first mounting base and a second mounting base, the first transmission shaft is disposed on the first mounting base, and the second transmission shaft is disposed on the second mounting base.
8. The dual ratchet unidirectional transmission mechanism of any one of claims 1 to 7, wherein a flywheel is further fixedly arranged on the second transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221117313.1U CN219045552U (en) | 2022-05-09 | 2022-05-09 | Double-ratchet unidirectional transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221117313.1U CN219045552U (en) | 2022-05-09 | 2022-05-09 | Double-ratchet unidirectional transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219045552U true CN219045552U (en) | 2023-05-19 |
Family
ID=86320351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221117313.1U Active CN219045552U (en) | 2022-05-09 | 2022-05-09 | Double-ratchet unidirectional transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219045552U (en) |
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2022
- 2022-05-09 CN CN202221117313.1U patent/CN219045552U/en active Active
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