CN205780442U - A kind of symmetrical expression unidirectional transmission - Google Patents
A kind of symmetrical expression unidirectional transmission Download PDFInfo
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- CN205780442U CN205780442U CN201620470121.7U CN201620470121U CN205780442U CN 205780442 U CN205780442 U CN 205780442U CN 201620470121 U CN201620470121 U CN 201620470121U CN 205780442 U CN205780442 U CN 205780442U
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- ratchet
- driven pulley
- transmission shaft
- power transmission
- symmetrical expression
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Abstract
nullThis utility model relates to a kind of symmetrical expression unidirectional transmission，Described actuating device includes power set、Power transmission shaft、First ratchet、Second ratchet、First ratchet、Second ratchet、First driven pulley and the second driven pulley，First driven pulley and the second driven pulley can be rotatably set on power transmission shaft，Described first ratchet、Second ratchet、First driven pulley and the second driven pulley position that arranges on power transmission shaft is followed successively by: first driven pulley the first ratchet the second ratchet the second driven pulley，Described first ratchet is arranged on the circumference of the first driven pulley，Second ratchet is arranged on the circumference of the second driven pulley，Described first ratchet and the second ratchet are fixed with power transmission shaft and are connected，Hook tooth and described first ratchet、Second click-fit，When power transmission shaft is rotated forward or backwards，One of first driven pulley and the second driven pulley are with drive axis.This utility model uses a set of power set and a set of actuating device to can be achieved with the single-direction transmission of both direction, compact conformation, and transmission efficiency is high.
Description
Technical field
This utility model relates to mechanical transmission fields, is specifically related to a kind of symmetrical expression unidirectional transmission.
Background technology
Actuating device is the intermediate equipment power of power set being passed to operating mechanism, is plant equipment
Most important ingredient, known gear mechanism is that power is transmitted in the engagement by gear, passes with other
Motivation conception ratio, its compact conformation, reliable operation, transmission efficiency are high.The asymptote tooth of existing extensive utilization
Wheel, circular arc and parabolic tooth-shape gear all can realize bi-directional, but in the field of some unidirectional delivery power
Close, it is necessary to using unidirectional delivery mechanism could realize purpose, one-way driving mechanism of the prior art is typically adopted
With ratchet, pawl structures, but a set of ratchet, pawl structures can only realize the single-direction transmission in a direction, as
Fruit needs the single-direction transmission in another direction then to need additionally to arrange a set of actuating device, causes mechanical drive department
The assembly technology divided is complicated, and fault rate is high, and cost is also greatly improved.
The Chinese patent literature of Publication No. CN101725648A discloses the list of a kind of ratchet gear integration
Being machined with the gear teeth on gear drive, the outline of gear, the embedded SMA actuators of gear has a ratchet,
In the endoporus of gear, interference is provided with left lining, and the right side of left lining is provided with left back-up ring；Drivewheel is arranged on
Gear internal, with left back-up ring right contact on the left of drivewheel, the endoporus of drivewheel is machined with keyway, drivewheel
The connection with power transmission shaft is realized by keyway and key；Being milled with heavy stand on drivewheel, ratchet fixes spiral shell by ratchet
Nail is arranged on drivewheel, and the heavy stand of drivewheel and ratchet are separately installed with pin, and spring steel plate is arranged on
Ratchet is fixed between screw and pin, and spring steel plate makes ratchet keep contacting with the surface of the ratchet of gear；
In the endoporus of end cap, interference is provided with right lining, is provided with right back-up ring in the counterbore of cover internal, and end cap passes through
Trip bolt is arranged on the right side of gear.Above-mentioned ratchet transmission structures is more complicated, and only
Single-direction transmission can be realized.
Utility model content
The purpose of this utility model is achieved through the following technical solutions.
For the defect of one-way driving mechanism in prior art, this utility model provides a kind of unidirectional biography of symmetrical expression
Dynamic device, this symmetrical expression unidirectional transmission makes full use of the construction features of ratchet and pawl, it is achieved utilize one
Set power set and a sets of transmission mechanism can be achieved with Bidirectional driving, both remained ratchet, ratchet unidirectional delivery
Advantage, again can bi-directional power.
In order to overcome the defect of unidirectional transmission in prior art, the technical solution adopted in the utility model is:
A kind of symmetrical expression unidirectional transmission, described symmetrical expression unidirectional transmission include power set, power transmission shaft,
First ratchet, the second ratchet, the first ratchet, the second ratchet, the first driven pulley and the second driven pulley, power
Device is connected to transmit power with power transmission shaft, and the first driven pulley and the second driven pulley can be rotatably set in biography
On moving axis, described first ratchet, the second ratchet, the first driven pulley and the second driven pulley setting on power transmission shaft
Seated position is followed successively by: first driven pulley the-the first ratchet the-the second ratchet the-the second driven pulley, described first ratchet sets
Putting on the circumference of the first driven pulley, the second ratchet is arranged on the circumference of the second driven pulley, described first spine
Wheel and the second ratchet are fixed with power transmission shaft and are connected, and the first ratchet and the second ratchet are provided with hook tooth, ratchet
Tooth and described first ratchet, the second click-fit so that when power transmission shaft rotates forward or backwards, first is driven
One of wheel and the second driven pulley are with drive axis.
Described first ratchet is arranged on the circumference of the first driven pulley, and the first ratchet and the first driven pulley are with first
Bearing pin connects, and the first ratchet can rotate around the first bearing pin, the between the first ratchet and the first driven pulley
Being provided with the first elastic device on one bearing pin, the first elastic device makes the first ratchet to the ratchet of the first ratchet
Tooth direction deflects.
Described second ratchet is arranged on the circumference of the second driven pulley, and the second ratchet and the second driven pulley are with second
Bearing pin connects, and the second ratchet can rotate around the second bearing pin, the between the second ratchet and the second driven pulley
Being provided with the second elastic device on two bearing pins, the second elastic device makes the second ratchet to the ratchet of the second ratchet
Tooth direction deflects.
Described first elastic device and the second elastic device are torsion spring.
Described power set are motor.
Advantageous Effects of the present utility model:
This utility model uses a set of power set and a set of actuating device to can be achieved with the unidirectional biography of both direction
Dynamic, compact conformation, transmission efficiency is high.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit for ability
Territory those of ordinary skill will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and also
It is not considered as restriction of the present utility model.And in whole accompanying drawing, it is denoted by the same reference numerals phase
Same parts.In the accompanying drawings:
Fig. 1 is symmetrical expression unidirectional transmission overall structure schematic diagram
Fig. 2 is A-A direction side view
Fig. 3 is B-B direction side view
Wherein: power transmission shaft 1, the first driven pulley 2-1, the second driven pulley 2-2, the first ratchet 3-1, second
Ratchet 3-2, the first ratchet 4-1, the second ratchet 4-2, hook tooth 5, the first elastic device 6-1, second
Elastic device 6-2, the first bearing pin 7-1, the second bearing pin 7-2.
Detailed description of the invention
It is more fully described the illustrative embodiments of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows
The illustrative embodiments of the disclosure, it being understood, however, that may be realized in various forms the disclosure and not
Should be limited by embodiments set forth herein.On the contrary, it is provided that these embodiments are able to more thorough
Ground understands the disclosure, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Seeing accompanying drawing 1, a kind of symmetrical expression unidirectional transmission, described symmetrical expression unidirectional transmission includes moving
Power apparatus (not shown), power transmission shaft the 1, first ratchet 3-1, the second ratchet 3-2, the first ratchet 4-1,
Second ratchet 4-2, the first driven pulley 2-1 and the second driven pulley 2-2, power set are connected with power transmission shaft 1
To transmit power, the first driven pulley 2-1 and the second driven pulley 2-2 can be rotatably set on power transmission shaft 1,
Described first ratchet 3-1, the second ratchet 3-2, the first driven pulley 2-1 and the second driven pulley 2-2 are at power transmission shaft
On the position that arranges be followed successively by: first driven pulley 2-1-the first ratchet 3-1-the second ratchet 3-2-second is driven
Wheel 2-2, described first ratchet 4-1 are arranged on the circumference of the first driven pulley 2-1, and the second ratchet 4-2 sets
Putting on the circumference of the second driven pulley 4-2, described first ratchet 3-1 and the second ratchet 3-2 is solid with power transmission shaft
Fixed connection, the first ratchet 3-1 and the second ratchet 3-2 is provided with hook tooth, hook tooth and described first spine
Pawl 4-1, the second ratchet 4-2 coordinate so that when power transmission shaft 1 rotates forward or backwards, the first driven pulley 2-1
With one of second driven pulley 2-2 with drive axis.
Accompanying drawing 2 is A-A direction side view (in accompanying drawing 1, seeing from right to left) in accompanying drawing 1, described first spine
Pawl 4-1 is arranged on the circumference of the first driven pulley 2-1, and the first ratchet 4-1 and the first driven pulley 2-1 is with
One bearing pin 7-1 connect, the first ratchet 4-1 can around first bearing pin 7-1 rotate, the first ratchet 4-1 with
The first elastic device 6-1, the first elastic dress it is provided with on the first bearing pin 7-1 between first driven pulley 2-1
Putting 6-1 makes the first ratchet 4-1 deflect to hook tooth 5 direction of the first ratchet 3-1.
Accompanying drawing 3 is B-B direction side view (in accompanying drawing 1, seeing from left to right) described second spine in accompanying drawing 1
Pawl 4-2 is arranged on the circumference of the second driven pulley 2-2, and the second ratchet 4-2 and the second driven pulley 2-2 is with
Two bearing pin 7-2 connect, the second ratchet 4-2 can around second bearing pin 7-2 rotate, the second ratchet 4-2 with
The second elastic device 6-2, the second elastic dress it is provided with on the second bearing pin 7-2 between second driven pulley 2-2
Putting 6-2 makes the second ratchet 4-2 deflect to hook tooth 5 direction of the second ratchet 3-2.
Described first elastic device 6-1 and the second elastic device 6-2 is torsion spring.
Described power set are motor.
During use, motor exports power to power transmission shaft 1, it is assumed that power transmission shaft 1 sees it is to paper from accompanying drawing 1
Interior rotation, performance is exactly that power transmission shaft 1 rotates clockwise in fig 2, and the first ratchet 4-1 is at the work of torsion spring
With lower to first ratchet 3-1 deflection, under the effect of the first ratchet 4-1 and the first ratchet 3-1, first from
Driving wheel 2-1 also rotates clockwise, and at this moment, performance is exactly that power transmission shaft 1 rotates counterclockwise in fig. 3,
Second ratchet 4-2 is to the second ratchet 3-2 deflection under the effect of torsion spring, and the second ratchet 4-2 slips over the second spine
Hook tooth on wheel 3-2, the second driven pulley 2-2 does not rotates.When power transmission shaft 1 rotates to another direction,
Based on same principle, the second driven pulley 2-2 rotates with power transmission shaft 1, and the first driven pulley 2-1 does not rotates.
Thus realize the purpose of symmetrical single-direction transmission.
The above, only this utility model preferably detailed description of the invention, but protection model of the present utility model
Enclose and be not limited thereto, the technology model that any those familiar with the art discloses at this utility model
In enclosing, the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Cause
This, protection domain of the present utility model should described be as the criterion with scope of the claims.
Claims (6)
1. a symmetrical expression unidirectional transmission, described symmetrical expression unidirectional transmission includes power set, biography
Moving axis, the first ratchet, the second ratchet, the first ratchet, the second ratchet, the first driven pulley and the second driven pulley,
Power set are connected to transmit power with power transmission shaft, it is characterised in that: the first driven pulley and the second driven pulley
Can be rotatably set on power transmission shaft, described first ratchet, the second ratchet, the first driven pulley and second are driven
The wheel position that arranges on power transmission shaft is followed successively by: first driven pulley the-the first ratchet the-the second ratchet-the second is driven
Wheel, described first ratchet is arranged on the circumference of the first driven pulley, and the second ratchet is arranged on the second driven pulley
On circumference, described first ratchet and the second ratchet are fixed with power transmission shaft and are connected, on the first ratchet and the second ratchet
It is provided with hook tooth, hook tooth and described first ratchet, the second click-fit so that power transmission shaft forward or anti-
In time rotating, one of the first driven pulley and the second driven pulley are with drive axis.
Symmetrical expression unidirectional transmission the most according to claim 1, it is characterised in that: described first spine
Pawl is arranged on the circumference of the first driven pulley, and the first ratchet and the first driven pulley connect with the first bearing pin, and first
Ratchet can rotate around the first bearing pin, and the first bearing pin between the first ratchet and the first driven pulley is provided with
First elastic device, the first elastic device makes the first ratchet deflect to the hook tooth direction of the first ratchet.
Symmetrical expression unidirectional transmission the most according to claim 1, it is characterised in that: described second spine
Pawl is arranged on the circumference of the second driven pulley, and the second ratchet and the second driven pulley connect with the second bearing pin, and second
Ratchet can rotate around the second bearing pin, and the second bearing pin between the second ratchet and the second driven pulley is provided with
Second elastic device, the second elastic device makes the second ratchet deflect to the hook tooth direction of the second ratchet.
Symmetrical expression unidirectional transmission the most according to claim 2, it is characterised in that: described first bullet
Property device is torsion spring.
Symmetrical expression unidirectional transmission the most according to claim 3, it is characterised in that: described second bullet
Property device is torsion spring.
6. according to the symmetrical expression unidirectional transmission described in any one of claim 1-3, it is characterised in that: institute
The power set stated are motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470121.7U CN205780442U (en) | 2016-05-20 | 2016-05-20 | A kind of symmetrical expression unidirectional transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470121.7U CN205780442U (en) | 2016-05-20 | 2016-05-20 | A kind of symmetrical expression unidirectional transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780442U true CN205780442U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620470121.7U Active CN205780442U (en) | 2016-05-20 | 2016-05-20 | A kind of symmetrical expression unidirectional transmission |
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| Country | Link |
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| CN (1) | CN205780442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517573A (en) * | 2019-08-02 | 2019-11-29 | 安徽盛鸿展览工程有限公司 | A kind of machinery rhythm apparatus for demonstrating demonstration ball two-way lifter structure |
| CN111071035A (en) * | 2020-02-17 | 2020-04-28 | 宁波普乐菲智能科技有限公司 | Motor-driven four-wheel walking and steering mechanism |
-
2016
- 2016-05-20 CN CN201620470121.7U patent/CN205780442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517573A (en) * | 2019-08-02 | 2019-11-29 | 安徽盛鸿展览工程有限公司 | A kind of machinery rhythm apparatus for demonstrating demonstration ball two-way lifter structure |
| CN111071035A (en) * | 2020-02-17 | 2020-04-28 | 宁波普乐菲智能科技有限公司 | Motor-driven four-wheel walking and steering mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181018 Address after: 100080 Beijing Haidian District Zhongguancun Avenue 18 11 11 1119-77 Patentee after: Beijing Yunyang Data Technology Co., Ltd. Address before: 100094 14, 6107, Liang Jia garden, Yihe villa, northwest town, Haidian District, Beijing Patentee before: BEIJING CLOUDYOUNG DATA TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201231 Address after: 100192 No.228, 2 / F, complex building a 1, Yongtai garden, Qinghe, Haidian District, Beijing Patentee after: Beijing Yunyang IOT Technology Co.,Ltd. Address before: 100080 Beijing Haidian District Zhongguancun Avenue 18 11 11 1119-77 Patentee before: Beijing Yunyang Data Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |