CN206608519U - A kind of new single direction ratchet mechanism - Google Patents
A kind of new single direction ratchet mechanism Download PDFInfo
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- CN206608519U CN206608519U CN201720268435.3U CN201720268435U CN206608519U CN 206608519 U CN206608519 U CN 206608519U CN 201720268435 U CN201720268435 U CN 201720268435U CN 206608519 U CN206608519 U CN 206608519U
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- ratchet
- gear teeth
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- circle
- single direction
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Abstract
The utility model discloses a kind of new single direction ratchet mechanism, it includes ratchet shaft, ratchet circle and ratchet body, at least one ratchet is disposed with the external cylindrical surface of the ratchet circle, the end of the ratchet is disposed with first gear teeth, the internal circular surfaces of the ratchet body are disposed with second gear teeth of circle, it is disposed with first hole that ratchet shaft one end can be allowed to pass through in the middle part of ratchet circle, one end of the ratchet body is disposed with end cap and on end cap and the second hole that one end of ratchet shaft can be allowed to pass through.The engagement of first gear teeth and second gear teeth is engaged using line face, no matter ratchet circle is in the top of ratchet body or lower section, engagement between first gear teeth and second gear teeth is good, prevents slippage phenomenon, it is ensured that ratchet shaft can realize one-directional rotation, the effect of plugging in any direction.Motion process uniform and stable of the present utility model, directionless limitation, applicability is good.
Description
Technical field
The utility model is related to a kind of ratchet mechanism, particularly a kind of new single direction ratchet mechanism.
Background technology
Single direction ratchet mechanism is mainly used in realizing one-directional rotation, the effect of plugging.Single direction ratchet of the prior art
Mechanism has the advantage that：1. modular construction is simple, it is easy to assemble；2. during use, wear and tear smaller, service life is longer.Separately
Outside, existing single direction ratchet mechanism has the disadvantages that：1. robust motion is poor, and is likely to occur the situation for jumping tooth；2. knot
Structure deficient in stability.
There is disadvantage mentioned above mainly due to following reason in single direction ratchet mechanism of the prior art：The convex of ratchet circle Inner edge two
Structure is connected with ratchet shaft groove, ratchet circle is rotated in the horizontal direction with ratchet shaft；By the triangle wheel of ratchet circle end face
Tooth is meshed with the ratchet Inner edge bottom gear teeth, i.e., the gear teeth meshing of ratchet circle and ratchet engages for end face.In theory, ratchet, can
Rotate, braked when rotating round about by ratchet circle to a direction.But actual in use, when ratchet circle is located at spine
During wheel upside, ratchet circle moves down in the presence of its gravity along ratchet shaft, and the gear teeth of ratchet circle and the gear teeth of ratchet are tight
Close engagement, ratchet shaft can be realized to be rotated clockwise or counterclockwise, and its opposite direction can not be rotated.However, when ratchet circle position
When on the downside of ratchet, ratchet moves down in the presence of its gravity along ratchet shaft, the wheel of the gear teeth and ratchet on ratchet circle
There is certain gap between tooth, cause slippage phenomenon occur, i.e., ratchet shaft can be rotated along any direction.
Utility model content
The purpose of this utility model, is to provide a kind of new single direction ratchet mechanism.
The solution that the utility model solves its technical problem is：A kind of new single direction ratchet mechanism, it includes ratchet
At least one ratchet, the end of the ratchet are disposed with axle, ratchet circle and ratchet body, the external cylindrical surface of the ratchet circle
First gear teeth are disposed with, the internal circular surfaces of the ratchet body, which are disposed with the middle part of second gear teeth of circle, ratchet circle, is disposed with one
The first hole that ratchet shaft one end is passed through can be allowed, one end of the ratchet body is disposed with end cap and on end cap and can allow spine
The second hole that one end of wheel shaft is passed through.
As the further improvement of above-mentioned technical proposal, a limiting stand is disposed with the external cylindrical surface of the ratchet shaft
It is disposed with rank, the limited step close to the side of ratchet circle on two cuboid locating pieces, first hole and is disposed with two
The individual positioning hole coordinated respectively with corresponding cuboid locating piece.
As the further improvement of above-mentioned technical proposal, the positioning hole position difference is disposed with the ratchet circle outside
The outer surface of ratchet circle is divided into two ratchet spaces by projection camber projection, two arc bumps, each spine
Wheel space is disposed with a ratchet, and one end of the ratchet is fixed on ratchet after being bent downwardly after one of arc bump
On the external cylindrical surface of circle, the other end of ratchet forms first gear teeth after being bent upwards after another arc bump.
As the further improvement of above-mentioned technical proposal, two ratchets are symmetrical on the central axis in the first hole.
As the further improvement of above-mentioned technical proposal, first gear teeth and second gear teeth are the triangle gear teeth.
As the further improvement of above-mentioned technical proposal, the longitudinal cross-section of first gear teeth is the right angled triangle gear teeth,
One side in first gear teeth close to its nearest arc bump is flat face, and the longitudinal cross-section of second gear teeth is acute angle triangle
The shape gear teeth.
The beneficial effects of the utility model are：The utility model by be disposed with the end of ratchet first gear teeth and
The internal circular surfaces of ratchet body are disposed with second gear teeth of circle, and the engagement of first gear teeth and second gear teeth is engaged using line face, no
Pipe ratchet circle is in the top of ratchet body or lower section, and the engagement between first gear teeth and second gear teeth is good, prevents jump
Tooth phenomenon, it is ensured that ratchet shaft can realize one-directional rotation, the effect of plugging in any direction.It is of the present utility model to be moved through
Journey uniform and stable, directionless limitation, applicability is good.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is exploded perspective view of the present utility model；
Fig. 2 is partial sectional view of the present utility model.
Embodiment
The technique effect of design of the present utility model, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belongs to the model of the utility model protection
Enclose.In addition, all connection/annexations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to constitute more excellent draw bail.
1~Fig. 2 of reference picture, a kind of new single direction ratchet mechanism, it includes ratchet shaft 1, ratchet circle 2 and ratchet body 3,
At least one ratchet 22 is disposed with the external cylindrical surface of the ratchet circle 2, the end of the ratchet 22 is disposed with first gear teeth 23,
The internal circular surfaces of the ratchet body 3 are disposed with second gear teeth of circle 30, and the middle part of ratchet circle 2, which is disposed with one, can allow ratchet shaft 1
The first hole 20 that one end is passed through, one end of the ratchet body 3 is disposed with end cap 31 and on end cap 31 and can allow ratchet
The second hole 32 that one end of axle 1 is passed through.
By being disposed with first gear teeth 23 in the end of ratchet 22 and being disposed with a circle in the internal circular surfaces of ratchet body 3
Second gear teeth 30, the engagement of first gear teeth 23 and second gear teeth 30 is engaged using line face, no matter ratchet circle 2 is in ratchet body 3
Top or lower section, the engagement between first gear teeth 23 and second gear teeth 30 are good, prevent slippage phenomenon, it is ensured that ratchet shaft
1 can realize one-directional rotation, the effect of plugging in any direction.Motion process uniform and stable of the present utility model, not properly
To limitation, applicability is good.
It is further used as preferred embodiment, a limited step 10 is disposed with the external cylindrical surface of the ratchet shaft 1,
It is disposed with two cuboid locating pieces 11, first hole 20 and arranges close to the side of ratchet circle 2 in the limited step 10
There are two positioning holes 21 coordinated respectively with corresponding cuboid locating piece 11, ratchet is limited by limited step 10 and end cap 31
The scope of the movement of circle 2, it is ensured that in use, first gear teeth 23 and second gear teeth 30 can good engagements for the utility model.
It is further used as preferred embodiment, the position of positioning hole 21 difference is disposed with the ratchet circle 2 outside
The outer surface of ratchet circle 2 is divided into two ratchet spaces, Mei Gesuo by projection camber projection 24, two arc bumps 24
State ratchet space and be disposed with a ratchet 22, after one end of the ratchet 22 is bent downwardly after one of arc bump 24
On the external cylindrical surface for being fixed on ratchet circle 2, the other end of ratchet 22 is bent upwards rear shape after another arc bump 24
Into first gear teeth 23.Ratchet 22 is an arc block matched with the outer surface of ratchet circle 2.It is being disposed with the ratchet of first gear teeth 23
The avoidance gap that first gear teeth 23 can be allowed to depart from from second gear teeth 30 is left between 22 medial surfaces and ratchet circle 2.Two ratchets
22 and its corresponding first gear teeth 23 double shield can be provided, it is also remaining after first gear teeth 23 failure wherein
First gear teeth 23 play one-directional rotation, the effect of plugging.
It is further used as preferred embodiment, two ratchets 22 are symmetrical on the central axis in the first hole 20.
It is further used as preferred embodiment, the gear teeth 30 of first gear teeth 23 and second are the triangle gear teeth.
It is further used as preferred embodiment, the longitudinal cross-section of first gear teeth 23 is the right angled triangle gear teeth, the
One side in one gear teeth 23 close to its nearest arc bump 24 is flat face, and the longitudinal cross-section of second gear teeth 30 is acute angle
The triangle gear teeth.
Two cuboid locating pieces 11 on ratchet shaft 1 are connected with two positioning holes 21 of ratchet circle 2, make ratchet circle 2 in water
Square rotated upwards with ratchet shaft 1；By two first gear teeth 23 of ratchet circle 2 and second gear teeth on the inner cylinder face of ratchet circle 2
30 are meshed.Ratchet body 3 can be rotated to a direction, be braked when rotating round about by ratchet circle 2.
Above is better embodiment of the present utility model is illustrated, but the invention is not limited to institute
Embodiment is stated, those skilled in the art can also make a variety of be equal on the premise of without prejudice to the utility model spirit
Modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of new single direction ratchet mechanism, it is characterised in that：It includes ratchet shaft, ratchet circle and ratchet body, the spine
At least one ratchet is disposed with the external cylindrical surface of wheel rim, the end of the ratchet is disposed with first gear teeth, the ratchet body
Internal circular surfaces be disposed with second gear teeth of circle, be disposed with first hole that ratchet shaft one end can be allowed to pass through in the middle part of ratchet circle,
One end of the ratchet body is disposed with end cap and on end cap and the second hole that one end of ratchet shaft can be allowed to pass through.
2. new single direction ratchet mechanism according to claim 1, it is characterised in that：Cloth on the external cylindrical surface of the ratchet shaft
It is equipped with a limited step, the limited step and is disposed with two cuboid locating pieces close to the side of ratchet circle, described the
Two positioning holes coordinated respectively with corresponding cuboid locating piece are disposed with one hole.
3. new single direction ratchet mechanism according to claim 2, it is characterised in that：It is described fixed to be disposed with the ratchet circle
The outer surface of ratchet circle is divided into two ratchets by the outwardly protruding camber projection of position hole portion position difference, two arc bumps
Space, each ratchet space is disposed with a ratchet, and one end of the ratchet is under one of arc bump is backward
On the external cylindrical surface that ratchet circle is fixed on after bending, the other end of ratchet is bent upwards rear shape after another arc bump
Into first gear teeth.
4. new single direction ratchet mechanism according to claim 3, it is characterised in that：Two ratchets are on the first hole
Central axis is symmetrical.
5. new single direction ratchet mechanism according to claim 3, it is characterised in that：First gear teeth and second gear teeth are equal
For the triangle gear teeth.
6. new single direction ratchet mechanism according to claim 5, it is characterised in that：The longitudinal cross-section of first gear teeth is
One side in the right angled triangle gear teeth, first gear teeth close to its nearest arc bump is flat face, second gear teeth it is vertical
It is the acute triangle gear teeth to section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720268435.3U CN206608519U (en) | 2017-03-17 | 2017-03-17 | A kind of new single direction ratchet mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720268435.3U CN206608519U (en) | 2017-03-17 | 2017-03-17 | A kind of new single direction ratchet mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608519U true CN206608519U (en) | 2017-11-03 |
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ID=60165276
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720268435.3U Active CN206608519U (en) | 2017-03-17 | 2017-03-17 | A kind of new single direction ratchet mechanism |
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| CN (1) | CN206608519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945877A (en) * | 2020-09-16 | 2020-11-17 | 郑秀平 | 1/4 process friction damper with damping function and building structure |
| CN111997203A (en) * | 2020-09-16 | 2020-11-27 | 郑秀平 | Installation method, structure and working method of assembly type building structure |
| CN113285556A (en) * | 2021-05-20 | 2021-08-20 | 西安电子科技大学 | Motion conversion mechanism for converting vibration into unidirectional rotation |
-
2017
- 2017-03-17 CN CN201720268435.3U patent/CN206608519U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945877A (en) * | 2020-09-16 | 2020-11-17 | 郑秀平 | 1/4 process friction damper with damping function and building structure |
| CN111997203A (en) * | 2020-09-16 | 2020-11-27 | 郑秀平 | Installation method, structure and working method of assembly type building structure |
| CN111945877B (en) * | 2020-09-16 | 2022-02-01 | 福建创润建设有限公司 | Friction damper with damping function for fabricated building structure and 1/4 process |
| CN113285556A (en) * | 2021-05-20 | 2021-08-20 | 西安电子科技大学 | Motion conversion mechanism for converting vibration into unidirectional rotation |
| CN113285556B (en) * | 2021-05-20 | 2022-03-29 | 西安电子科技大学 | Motion conversion mechanism for converting vibration into unidirectional rotation |
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