CN202926987U - Dual ratchet drive mechanism - Google Patents
Dual ratchet drive mechanism Download PDFInfo
- Publication number
- CN202926987U CN202926987U CN 201220336579 CN201220336579U CN202926987U CN 202926987 U CN202926987 U CN 202926987U CN 201220336579 CN201220336579 CN 201220336579 CN 201220336579 U CN201220336579 U CN 201220336579U CN 202926987 U CN202926987 U CN 202926987U
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- Prior art keywords
- ratchet
- connecting rod
- main wheel
- boss
- pawl
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Abstract
The utility model discloses a dual ratchet drive mechanism. The dual ratchet drive mechanism comprises a main wheel which is used for outputting power outward, a first pawl and a second pawl, a first connecting rod and a second connecting rod, a first spring and a second spring, a lever, and a first ratchet and a second ratchet. The first pawl and the second pawl are arranged on the same direction of two sides of the main wheel. The first connecting rod and the second connecting rod are connected with the first pawl and the second pawl respectively. The first spring and the second spring are connected with the first connecting rod and the second connecting rod respectively and enable the pawls to stretch to ratchets. The lever is arranged on the main wheel, penetrates through the two sides of the main wheel, tightly close to the first connecting rod and the second connecting rod, and enables the pawl and the second pawl to produce mutually reverse movement. The first ratchet and the second ratchet are arranged symmetrically on the two sides of the main wheel, coaxial with the main wheel, as a power input source and are meshed with the first pawl and the second pawl. Ratchet direction of the first ratchet is the same as the ratchet direction of the second ratchet. The dual ratchet drive mechanism can eliminate noise produced by the other non-drive ratchet when a ratchet is in a drive state of a dual ratchet one-way drive mechanism. The noise of the dual ratchet in a non-drive state at the same time is greatly reduced.
Description
Technical field
The utility model relates to a kind of pair of ratchet drive mechanism, and both sides drive the mechanism that two ratchets that are contained on the main wheel drive the one-way rotation of main wheel as the ratchet of power input source by ratchet.Belong to the mechanical device field.
Background technique
A lot of mechanical devices need to use main wheel of two ratchet mechanism driven to rotate toward a single direction.Common two ratchet one-way driving mechanisms generally are comprised of the ratchet mechanism of main wheel, both sides and the driving wheel in the ratchet mechanism of both sides.The driving wheel of both sides alternately rotates toward some directions, and the ratchet mechanism that then passes through separately drives main wheel toward this direction one-way rotation.In certain gemmule wheel drive, the ratchet of an other side is in non-driven state, and the ratchet of non-driving can produce noise, and we are exactly that ratchet is at the noise of non-driven state at " answering " sound that produces when moving ahead of pushing the machine.In two ratchet mechanisms in a lot of situations the both sides driving wheel rotating simultaneously, and opposite direction is so the frequency of noise is the twice of the non-driven state of common ratchet mechanism.Simultaneously two ratchet mechanisms are no matter all have a ratchet at least not at drive condition under what state, and, when main wheel relied on inertia to rotate, two ratchet mechanisms were all at non-driven state, so the common double ratchet mechanism is as long as will produce continuous noise in operating condition.The utility model is exactly in order to solve the noise problem of two ratchet one-way driving mechanisms, to make it not have noise at drive condition.
The model utility content
In view of the above-mentioned problems in the prior art, technical problem to be solved in the utility model is to make two ratchet drive mechanisms more quiet.
In order to solve the problems of the technologies described above, the utility model has adopted following technological scheme, proposes a kind of pair of ratchet one-way driving mechanism, and this mechanism comprises: the main wheel that is used for outside outputting power; Symmetry is contained in the main wheel both sides same towards the first ratchet and the second ratchet; The first connecting rod and the second connecting rod that link to each other with the second ratchet with the first ratchet respectively; Link to each other with second connecting rod with first connecting rod respectively, make ratchet stretch to the first spring and second spring of ratchet; Device on main wheel, through the main wheel both sides, and with first connecting rod and second connecting rod near, make the first ratchet and the second ratchet produce the lever of reciprocal rotation; Be symmetricly set on the main wheel both sides, coaxial with main wheel, as the power input source, with the first ratchet and second ratchet of the first ratchet and the engagement of the second ratchet, the ratchet direction of the first ratchet and the second ratchet is identical respectively.
As preferably, the bilateral symmetry of described main wheel is provided with the first boss and the second boss, offer first containing groove that be used for accommodating described first ratchet suitable with described the first ratchet on described the first boss, be fixedly installed the first stationary axle perpendicular to described main wheel side in described the first containing groove, described the first ratchet is rotatably connected on described the first stationary axle;
Described the first ratchet matches with ratchet on described the first ratchet;
Offer second containing groove that be used for accommodating described second ratchet suitable with described the second ratchet on described the second boss, be fixedly installed the second stationary axle perpendicular to the side of described main wheel wheel in described the second containing groove, described the second ratchet is rotatably connected on described the second stationary axle;
Described the second ratchet matches with ratchet on described the second ratchet;
The end that described first connecting rod is not connected with described the first ratchet is not connected the end that is connected with described the second ratchet and is against respectively under the same side at two ends of a lever with second connecting rod;
Offer the through hole that connects bi-side on the described main wheel, the diameter of described through hole is greater than the diameter of described lever, be fixedly installed a coupling shaft in the described through hole, described lever is arranged in the described through hole and is assemblied on the described coupling shaft, and described lever is reciprocating around coupling shaft under the effect of described first connecting rod and second connecting rod;
Described main wheel, the first ratchet, the second ratchet are assemblied on the same axle.
As preferably, described the first boss and the second boss are round ring boss, the axis conllinear of the axis of described round ring boss and described main wheel, described the first ratchet and described the second ratchet are external gear, described the first ratchet is positioned at described the first boss, and described the second ratchet is positioned at described the second boss.
As preferably, described the first ratchet and described the second ratchet are internal gear, and described the first boss is positioned at described the first ratchet, and described the second boss is positioned at described the second ratchet.
Compared with prior art, the utility model effect is:
1, eliminates two ratchet one-way driving mechanisms at the noise of drive condition;
2, greatly reduce two ratchet one-way driving mechanisms at the noise of non-driven state.
Description of drawings
Fig. 1 is the structural representation of the first ratchet mechanism of the utility model embodiment one driving mechanism;
Fig. 2 is the partial structurtes schematic representation of ratchet mechanism of the utility model embodiment one driving mechanism, the rear view of Fig. 1;
Fig. 3 is the structural representation of the first ratchet mechanism of the utility model embodiment two driving mechanism;
Fig. 4 be the utility model embodiment two driving mechanism the partial structurtes schematic representation of ratchet mechanism, the rear view of Fig. 3;
Main description of reference numerals
1-the first ratchet 2-the second ratchet
3-first connecting rod 4-first connecting rod
5-the first ratchet 6-the first ratchet
7-the first boss 8-the second boss
9-lever 10-coupling shaft
11-ratchet 12-main wheel
13-main shaft 14-spring
15-groove 16-stationary axle
17-containing groove 18-through hole
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, but
Conduct is not to restriction of the present utility model.
Driving mechanism of the present utility model is mainly used in quiet pair of ratchet one-way and drives.
Therefore, driving mechanism of the present utility model comprises: the main wheel 12 that is used for outside outputting power; Symmetry is contained in the main wheel both sides same towards the first ratchet 1 and the second ratchet 2; The first connecting rod 3 and the second connecting rod 4 that link to each other with the second ratchet 2 with the first ratchet 1 respectively; Link to each other with second connecting rod 4 with first connecting rod 3 respectively, make ratchet stretch to the first spring and second spring of ratchet; Device on main wheel 12, through main wheel 12 both sides, and with first connecting rod 3 and second connecting rod 4 near, make the first ratchet 1 and the second ratchet 2 produce the lever 9 of reciprocal rotation; Be symmetricly set on main wheel 12 both sides, coaxial with main wheel, as the power input source, the first ratchet 5 with the first ratchet 1 and 2 engagements of the second ratchet is identical with the ratchet direction of the second ratchet 6 with the second ratchet 6, the first ratchets 5 respectively
The below is elaborated to the utility model in the mode of specific embodiment.Embodiment one be a kind of ratchet outside, ratchet is in interior form.Embodiment two be ratchet interior, ratchet form outside.
Embodiment one
As depicted in figs. 1 and 2, described the first ratchet mechanism comprises the first ratchet 1, is connected to first connecting rod 3, the first ratchet 5 and second ratchet 2 of the first ratchet 1 one ends.The both sides of main wheel 12 are respectively arranged with the first boss 7 and the second boss 8, offer first containing groove 17 that be used for accommodating first ratchet 1 suitable with the first ratchet 1 on the first boss 7, the first stationary axle 16, the first ratchets 1 that are fixedly installed in the first containing groove 17 perpendicular to the side of main wheel 12 are rotatably connected on the first stationary axle 16.The first ratchet 1 matches with ratchet on the first ratchet 5.When the first ratchet 5 rotates counterclockwise, drive the first ratchet 1 and clockwise rotate, stretch into ratchet 11 bottoms, the first ratchet 1 drives main wheel 12 and rotates counterclockwise.
Described the second ratchet mechanism is identical with the structure of described the first ratchet mechanism, is symmetricly set on the opposite side of main wheel 12, and described the second ratchet mechanism comprises the second ratchet 2, is connected to second connecting rod 4 and second ratchet 6 of the second ratchet 2 one ends.Offer the second containing groove (not shown) that be used for accommodating second ratchet 2 suitable with the second ratchet 2 on the second boss 8, be fixedly installed the second stationary axle (not shown) perpendicular to the side of main wheel 12 in the second containing groove, the second ratchet 2 is rotatably connected on described the second stationary axle.Certainly, the first stationary axle 16 and the second stationary axle can share one.The second ratchet 2 matches with ratchet on the second ratchet 6.The second ratchet 2 is identical with the direction of the first ratchet 1, and at the both sides of main wheel 12, full symmetric.The ratchet direction of the second ratchet 6 is identical with the ratchet direction of the first ratchet 5, and the first ratchet and the second ratchet are at the both sides of main wheel 12, full symmetric.When the second ratchet 6 rotates counterclockwise, drive the second ratchet 2 and clockwise rotate, stretch into ratchet 11 bottoms of the second ratchet 2, the second ratchet 2 drives main wheel 12 and rotates counterclockwise.
The end that first connecting rod 3 is not connected with the first ratchet 1 is connected the end that is not connected with the second ratchet 2 and is against respectively under the same side at two ends of a lever 9 with second connecting rod; Offer the through hole 18 that connects bi-side on the main wheel 12, the diameter of through hole 18 is far longer than the diameter of lever 9, be fixedly installed a coupling shaft 10 in the through hole 18, lever 9 is arranged in the through hole 18 and is assemblied on the coupling shaft 10, and lever 9 can be reciprocating around coupling shaft 10 under the effect of first connecting rod 3 and second connecting rod 4.Main wheel 12, the first ratchet 5, the second ratchet 6 are assemblied on the same axle 13.
As shown in Figure 1, the first boss 7 and the second boss 8 in the present embodiment are round ring boss, the axis conllinear of the axis of described round ring boss and main wheel 12, the first ratchet 5 and the second ratchet 6 are external gear, namely tooth is arranged on the excircle of ratchet, the first ratchet 5 is positioned at the first boss 7, the second ratchets 6 and is positioned at the second boss 8, can guarantee so whole ratchet mechanism seal.
When the first ratchet 5 rotates counterclockwise under external force drives, drive the first ratchet 1 and clockwise rotate, and make the first ratchet 1 extend into ratchet 11 bottommosts of the first ratchet 5, the first ratchet 1 begins main wheel 12 is worked, and drives main wheel 12 and is rotated counterclockwise.First connecting rod 3 is upturned with the end that lever 9 connects, simultaneously because the effect of lever 9, the end that second connecting rod 4 and lever 9 are connected moves downward, and drives the counterclockwise motion and break away from the ratchet 11 of the second ratchet 6 of the second ratchet 2, no longer contacts with the second ratchet 6.
To be returned in the ratchet 11 in order making with the second ratchet 1 that breaks away from ratchet or the second ratchet 2 in addition, on the first boss 7 and the second boss 8, all to offer the groove 15 for putting spring 14.Spring 14 is arranged in the groove 15, and the upper end of spring 14 is supported respectively on first connecting rod 3 or second connecting rod 4.Under the acting in conjunction of spring 14 and lever 9, the second ratchet 1 and the second ratchet 2 stretch into respectively half degree of depth of the ratchet of the first ratchet 5 and the second ratchet 6 during balance.
Embodiment two
As shown in Figure 3 and Figure 4, present embodiment is identical with embodiment four driving principle, also for reducing two ratchet drive mechanisms of noise, only be with embodiment one difference, the first ratchet 5 and the second ratchet 6 are internal gear, and the first boss 7 and the second boss 8 are a projection, and non-annular.The first boss 7 is positioned at the first ratchet 5, the second boss 8 and is positioned at the second ratchet 6.This embodiment all is enclosed in the part of all ratchet mechanisms in the ratchet of the left and right sides, has better seal.
Claims (4)
1. a two ratchet drive mechanism is characterized in that, comprising:
The main wheel that is used for outside outputting power;
Symmetrical mounting the main wheel both sides same towards the first ratchet and the second ratchet;
The first connecting rod and the second connecting rod that link to each other with the second ratchet with the first ratchet respectively;
Link to each other with second connecting rod with first connecting rod respectively, make ratchet stretch to the first spring and second spring of ratchet;
Device on main wheel, through the main wheel both sides, and with first connecting rod and second connecting rod near, make the first ratchet and the second ratchet produce the lever of reciprocal rotation;
Be symmetricly set on the main wheel both sides, coaxial with main wheel, as the power input source, with the first ratchet and second ratchet of the first ratchet and the engagement of the second ratchet, the ratchet direction of the first ratchet and the second ratchet is identical respectively.
2. driving mechanism according to claim 1, it is characterized in that, the bilateral symmetry of described main wheel is provided with the first boss and the second boss, offer first containing groove that be used for accommodating described first ratchet suitable with described the first ratchet on described the first boss, be fixedly installed the first stationary axle perpendicular to described main wheel side in described the first containing groove, described the first ratchet is rotatably connected on described the first stationary axle;
Described the first ratchet matches with ratchet on described the first ratchet;
Offer second containing groove that be used for accommodating described second ratchet suitable with described the second ratchet on described the second boss, be fixedly installed the second stationary axle perpendicular to the side of described main wheel wheel in described the second containing groove, described the second ratchet is rotatably connected on described the second stationary axle;
Described the second ratchet matches with ratchet on described the second ratchet;
The end that described first connecting rod is not connected with described the first ratchet is not connected the end that is connected with described the second ratchet and is against respectively under the same side at two ends of a lever with second connecting rod;
Offer the through hole that connects bi-side on the described main wheel, the diameter of described through hole is greater than the diameter of described lever, be fixedly installed a coupling shaft in the described through hole, described lever is arranged in the described through hole and is assemblied on the described coupling shaft, and described lever is reciprocating around coupling shaft under the effect of described first connecting rod and second connecting rod;
Described main wheel, the first ratchet, the second ratchet are assemblied on the same axle.
3. driving mechanism according to claim 1, it is characterized in that, described the first boss and the second boss are round ring boss, the axis conllinear of the axis of described round ring boss and described main wheel, described the first ratchet and described the second ratchet are external gear, described the first ratchet is positioned at described the first boss, and described the second ratchet is positioned at described the second boss.
4. driving mechanism according to claim 1 is characterized in that, described the first ratchet and described the second ratchet are internal gear, and described the first boss is positioned at described the first ratchet, and described the second boss is positioned at described the second ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336579 CN202926987U (en) | 2012-07-12 | 2012-07-12 | Dual ratchet drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336579 CN202926987U (en) | 2012-07-12 | 2012-07-12 | Dual ratchet drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926987U true CN202926987U (en) | 2013-05-08 |
Family
ID=48216949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220336579 Expired - Fee Related CN202926987U (en) | 2012-07-12 | 2012-07-12 | Dual ratchet drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192334A (en) * | 2017-01-20 | 2019-08-30 | 拿世肯株式会社 | Portable self-generating device and the module for having it |
-
2012
- 2012-07-12 CN CN 201220336579 patent/CN202926987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192334A (en) * | 2017-01-20 | 2019-08-30 | 拿世肯株式会社 | Portable self-generating device and the module for having it |
| CN110192334B (en) * | 2017-01-20 | 2021-11-02 | 拿世肯株式会社 | Portable self-generating device and module with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |