CN209228986U - A kind of anti-reverse twin-stage sprocket wheel - Google Patents
A kind of anti-reverse twin-stage sprocket wheel Download PDFInfo
- Publication number
- CN209228986U CN209228986U CN201822187804.3U CN201822187804U CN209228986U CN 209228986 U CN209228986 U CN 209228986U CN 201822187804 U CN201822187804 U CN 201822187804U CN 209228986 U CN209228986 U CN 209228986U
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- China
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- level
- sprocket wheel
- interconnecting piece
- hole
- unilateral bearing
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Abstract
The utility model belongs to sprocket wheel processing technique field, more particularly, to a kind of anti-reverse twin-stage sprocket wheel, including level-one sprocket wheel, second level sprocket wheel and unilateral bearing；It is linked together between level-one sprocket wheel and second level sprocket wheel by unilateral bearing；Level-one sprocket wheel forms integral structure by level-one sprocket body and level-one interconnecting piece, is set in level-one interconnecting piece there are two blind hole, respectively level-one axis hole and connecting hole, and separated between level-one axis hole and connecting hole by one piece of partition；Second level sprocket wheel forms integral structure by second level sprocket body and second level interconnecting piece；Second level axis hole is equipped in second level interconnecting piece；One end of second level interconnecting piece is located inside connecting hole, and a unilateral bearing is equipped between second level interconnecting piece and connecting hole；The utility model has the function of anti-reverse while realizing bipolar transmission, can avoid in special occasions motor reversal, since sprocket wheel causes the accident without reverse-rotation preventing function.
Description
Technical field
The utility model belongs to sprocket wheel processing technique field, more particularly, to a kind of anti-reverse twin-stage sprocket wheel.
Background technique
Twin-stage sprocket wheel is a kind of common component in various transmission systems, and existing twin-stage sprocket wheel is usually will be different straight
The sprocket wheel of diameter is using bolt or riveting method is fixedly assembled or the bipolar sprocket wheel of monoblock type, and this twin-stage sprocket wheel can
To realize double stage chain wheel Synchronous Transmission, still, in certain special occasions, when transmission system breaks down, for example machine inverts,
If without anti-reverse-rotation structure, it will lead to more serious consequence, therefore can be anti-reverse using one kind in transmission system
Sprocket wheel be very important.
Summary of the invention
In view of this, the utility model is directed to a kind of anti-reverse twin-stage sprocket wheel, and while realizing bipolar transmission, tool
There is anti-reverse function, can avoid in special occasions motor reversal, since sprocket wheel causes the accident without reverse-rotation preventing function.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of anti-reverse twin-stage sprocket wheel, including level-one sprocket wheel, second level sprocket wheel and unilateral bearing；Level-one sprocket wheel and second level sprocket wheel
Between linked together by unilateral bearing；Level-one sprocket wheel forms integral structure by level-one sprocket body and level-one interconnecting piece,
Level-one interconnecting piece is the sleeve-like configuration that extends to form to side of end face of level-one sprocket body, set in level-one interconnecting piece there are two
Blind hole, respectively level-one axis hole and connecting hole, and separated between level-one axis hole and connecting hole by one piece of partition；Second level sprocket wheel is by two
Grade sprocket body and second level interconnecting piece form integral structure；Second level interconnecting piece is that the end face of second level sprocket body extends to side
The sleeve-like configuration of formation；Second level axis hole is equipped in second level interconnecting piece；One end of second level interconnecting piece is located inside connecting hole, and two
A unilateral bearing is installed between grade interconnecting piece and connecting hole, one-way shaft bearing sleeve is outside second level interconnecting piece, and unilateral bearing
It is interference fitted between inner ring and second level interconnecting piece outer surface, meanwhile, unilateral bearing is nested in connecting hole, and unilateral bearing is outer
It is interference fitted between circle and connecting hole inner wall.
Further, the inner wall of level-one interconnecting piece is provided with the level-one keyway an of axial direction.
Further, a vertical threaded hole is also provided in level-one interconnecting piece, threaded hole is connected to level-one keyway.
Further, the inner wall of second level interconnecting piece is provided with the second level keyway an of axial direction.
Further, connecting hole is a stepped hole, and the side of unilateral bearing abuts against on the step surface of the stepped hole.
Further, the wheel face of level-one sprocket body and second level sprocket body is equipped with multiple circumferentially distributed lightening holes.
Compared with the existing technology, the utility model has the advantage that
It in the utility model, is linked together between level-one sprocket wheel and second level sprocket wheel by unilateral bearing, is being realized in this way
While bipolar transmission, have the function of anti-reverse, can avoid in special occasions motor reversal, since sprocket wheel does not have counnter attack
Rotating function causes the accident.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of level-one sprocket wheel；
Fig. 3 is the right side view of Fig. 1；
Fig. 4 installs and uses schematic diagram for the utility model.
Description of symbols:
1- level-one sprocket wheel；11- level-one sprocket body；12- level-one interconnecting piece；121- level-one axis hole；122- level-one keyway；
123- threaded hole；124- connecting hole；125- partition；2- second level sprocket wheel；21- second level sprocket body；22- second level interconnecting piece；221-
Second level axis hole；222- second level keyway；3- unilateral bearing；4- lightening hole；5- holding screw；6- primary transmission axis；7- secondary transmission
Axis.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figs 1-4, a kind of anti-reverse twin-stage sprocket wheel, including level-one sprocket wheel 1, second level sprocket wheel 2 and unilateral bearing 3；One
It is linked together between grade sprocket wheel 1 and second level sprocket wheel 2 by unilateral bearing 3；Level-one sprocket wheel 1 is by level-one sprocket body 11 and level-one
Interconnecting piece 12 forms integral structure, and level-one interconnecting piece 12 is the sleeve that the end face of level-one sprocket body 11 is extended to form to side
Shape structure, sets that there are two blind holes, respectively level-one axis hole 121 and connecting hole 124, and level-one axis hole 121 in level-one interconnecting piece 12
It is separated between connecting hole 124 by one piece of partition 125；Second level sprocket wheel 2 is formed by second level sprocket body 21 and second level interconnecting piece 22
Integral structure；Second level interconnecting piece 22 is the sleeve-like configuration that the end face of second level sprocket body 21 is extended to form to side；Second level
Second level axis hole 221 is equipped in interconnecting piece 22；One end of second level interconnecting piece 22 is located inside connecting hole 124, and second level interconnecting piece 22
One unilateral bearing 3 is installed between connecting hole 124,3 sets of unilateral bearing outside second level interconnecting piece 22, and unilateral bearing 3
Inner ring and second level interconnecting piece are interference fitted between 22 outer surface, meanwhile, unilateral bearing 3 is nested in connecting hole 124, and one-way shaft
It holds and is interference fitted between 3 124 inner wall of outer ring and connecting hole.
Preferably, the inner wall of level-one interconnecting piece 12 is provided with the level-one keyway 122 an of axial direction, the inner wall of second level interconnecting piece 22
It is provided with the second level keyway 222 an of axial direction, a vertical threaded hole 123,123 He of threaded hole are also provided in level-one interconnecting piece 12
Level-one keyway 122 is connected to.Using key connection between sprocket wheel and transmission shaft, the stability of transmission ensure that.
Preferably, connecting hole 124 is a stepped hole, and the side of unilateral bearing 3 abuts against on the step surface of the stepped hole,
Unilateral bearing 3 is preferably positioned.
Preferably, the wheel face of level-one sprocket body 11 and second level sprocket body 21 is equipped with multiple circumferentially distributed lightening holes
4, material can be saved, the weight of sprocket wheel is mitigated, improves transmission performance.
When using the sprocket wheel, by primary transmission axis 6 in level-one interconnecting piece 12, key connection is used between hole axle, meanwhile, it will
Holding screw 5 passes through threaded hole 123, and end twist-on further fixes key on key, and secondary drive shaft 7 is mounted in second level
In interconnecting piece 22, with key connection between hole axle, install, in transmission process, due to the effect of unilateral bearing 3, level-one chain
Wheel 1 can drive second level sprocket wheel 2 toward the rotation of the direction of setting, at this point, do not relatively rotated between level-one sprocket wheel 1 and second level sprocket wheel 2,
When system failure motor reversal, level-one sprocket wheel 1 is inverted, and due to the effect of unilateral bearing 3, second level sprocket wheel 2 is not rotated with it, from
And it ensure that the safety of system operation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of anti-reverse twin-stage sprocket wheel, it is characterised in that: including level-one sprocket wheel (1), second level sprocket wheel (2) and unilateral bearing (3)；
It is linked together between level-one sprocket wheel (1) and second level sprocket wheel (2) by unilateral bearing (3)；
Level-one sprocket wheel (1) forms integral structure, level-one interconnecting piece by level-one sprocket body (11) and level-one interconnecting piece (12)
(12) sleeve-like configuration extended to form for the end face of level-one sprocket body (11) to side, level-one interconnecting piece (12) is interior to be equipped with two
A blind hole, respectively level-one axis hole (121) and connecting hole (124), and by one between level-one axis hole (121) and connecting hole (124)
Block partition (125) separates；
Second level sprocket wheel (2) forms integral structure by second level sprocket body (21) and second level interconnecting piece (22)；Second level interconnecting piece
(22) sleeve-like configuration extended to form for the end face of second level sprocket body (21) to side；Two are equipped in second level interconnecting piece (22)
Grade axis hole (221)；
It is internal that one end of second level interconnecting piece (22) is located at connecting hole (124), and between second level interconnecting piece (22) and connecting hole (124)
One unilateral bearing (3) is installed, unilateral bearing (3) cover second level interconnecting piece (22) outside, and the inner ring and two of unilateral bearing (3)
Grade is interference fitted between interconnecting piece (22) outer surface, meanwhile, unilateral bearing (3) is nested in connecting hole (124), and unilateral bearing
(3) it is interference fitted between outer ring and connecting hole (124) inner wall.
2. anti-reverse twin-stage sprocket wheel according to claim 1, it is characterised in that: the inner wall of level-one interconnecting piece (12) is provided with one
A axial level-one keyway (122).
3. anti-reverse twin-stage sprocket wheel according to claim 2, it is characterised in that: level-one interconnecting piece is also provided with one in (12)
Vertical threaded hole (123), threaded hole (123) are connected to level-one keyway (122).
4. anti-reverse twin-stage sprocket wheel according to claim 3, it is characterised in that: the inner wall of second level interconnecting piece (22) is provided with one
A axial second level keyway (222).
5. anti-reverse twin-stage sprocket wheel according to claim 4, it is characterised in that: connecting hole (124) is a stepped hole, single
On the step surface for abutting against the stepped hole to the side of bearing (3).
6. anti-reverse twin-stage sprocket wheel according to claim 1-5, it is characterised in that: level-one sprocket body (11) and
The wheel face of second level sprocket body (21) is equipped with multiple circumferentially distributed lightening holes (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822187804.3U CN209228986U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-reverse twin-stage sprocket wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822187804.3U CN209228986U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-reverse twin-stage sprocket wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228986U true CN209228986U (en) | 2019-08-09 |
Family
ID=67509064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822187804.3U Expired - Fee Related CN209228986U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-reverse twin-stage sprocket wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228986U (en) |
-
2018
- 2018-12-25 CN CN201822187804.3U patent/CN209228986U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |