CN209621841U - A kind of anti-loose eccentric wheel lock - Google Patents
A kind of anti-loose eccentric wheel lock Download PDFInfo
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- CN209621841U CN209621841U CN201822181791.9U CN201822181791U CN209621841U CN 209621841 U CN209621841 U CN 209621841U CN 201822181791 U CN201822181791 U CN 201822181791U CN 209621841 U CN209621841 U CN 209621841U
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- eccentric shaft
- shaft
- eccentric
- countershaft
- eccentric wheel
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Abstract
The utility model provides a kind of anti-loose eccentric wheel lock, belong to mechanical engineering technical field, including main shaft, eccentric shaft, eccentric wheel, countershaft, eccentric shaft is fixedly connected on the left of main shaft, the outer end installation settings of eccentric shaft has eccentric wheel, the outside both ends of eccentric wheel are provided with mounting groove, the junction of main shaft and eccentric shaft is nested connection protective case, the utility model, so that eccentric shaft is connected with eccentric wheel to be loosened, the power that eccentric shaft work generates, it can not concentrate on an axis, it is loosened after avoiding entire eccentric shaft from moving, greatly improve the fastening effect to eccentric shaft, so that the left side shaft end of eccentric shaft can not loosen, add spring washer in the junction of countershaft and eccentric shaft, for thering is the part of relative motion to keep apart in stress therewith in the part and mechanism of locking, spring washer can play the role of reset , the displacement that work generates is occurred in a manner of elastically-deformable, avoids loose generation.
Description
Technical field
The utility model relates to mechanical engineering technical field, specifically a kind of eccentric wheel.
Background technique
When eccentric wheel rotates on axis, the outer rim of wheel pushes another parts, generates reciprocating motion, but moves back and forth and hold
Eccentric wheel easily is loosened, since the above problem causes eccentric wheel inconvenient for use, is added heavily to the difficulty of the work, therefore, it is necessary to existing
It is further studied on some eccentric wheels, a kind of new anti-loose eccentric wheel lock is provided.
Utility model content
The utility model is intended to solve the problems, such as that eccentric wheel reciprocating motion is easy to loosen eccentric wheel, provides one kind
Anti-loose eccentric wheel lock is tightened by the first locking nut of setting, the second locking nut and fastener, the second locking nut
The pine of the first locking nut is exactly prevented to move back, so that eccentric shaft is connected with eccentric wheel to be loosened, eccentric shaft work is generated
Power can not concentrate on an axis, loosen after avoiding entire eccentric shaft from moving, and greatly improve the fastening effect to eccentric shaft
Fruit, tightening for fastener exactly prevent the pine of the left side shaft end of eccentric shaft to move back, cause the left side shaft end of eccentric shaft that can not loosen,
Add spring washer in the junction of countershaft and eccentric shaft, for thering is the part of relative motion to exist therewith in the part and mechanism of locking
To keep apart in stress, spring washer can play the role of reset, the displacement that work generates occurred in a manner of elastically-deformable,
Avoid loose generation.
To achieve the above object, the utility model provides the following technical solutions: a kind of anti-loose eccentric wheel lock, including master
Axis, eccentric shaft, eccentric wheel, countershaft are fixedly connected with eccentric shaft, the outer end installation settings of the eccentric shaft on the left of the main shaft
There is an eccentric wheel, the outside both ends of the eccentric wheel are provided with mounting groove, and the junction of the main shaft and eccentric shaft is nested
Protective case is connected, the left end outer end insertion of the eccentric shaft is provided with countershaft, fastening is equipped at the right-end openings of the countershaft
Part is equipped with screw in the mounting groove, and the outer end of the screw is fastened with the first locking nut, and the screw is located at the first lock
The outer end of tight nut is fastened with the second locking nut.
Preferably, the outer diameter of the screw is smaller than inner end diameter, and the thread groove of screw inner and outer ends is in reversely to set
It sets.
Preferably, the flank intermeshing of the thread groove and the first locking nut of the screw inner end, screw outer end
The intermeshing of the flank of thread groove and the second locking nut.
Preferably, the main shaft and the countershaft are located on same axis, and are located in same axis with the eccentric shaft.
Preferably, the left side shaft end of the eccentric shaft extends to the inside of countershaft, and the left end of eccentric shaft is in projective structure,
And diameter is smaller than the diameter of entire eccentric shaft.
Preferably, flank is provided on the inner wall of the countershaft, and the left side shaft end of eccentric shaft is provided with thread groove, and
The left side shaft end of eccentric shaft is fastened on the inside of countershaft by thread groove.
Preferably, the position at the right-end openings of the countershaft positioned at fastener is provided with flank, the screw thread of fastener
Slot is meshed with the flank, and the flank of the left side shaft end of the flank of the position and eccentric shaft setting is in oppositely arranged.
Preferably, the junction of the countershaft and eccentric shaft is provided with spring washer, and passes through fastener and countershaft outer wall
It is close to.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) this kind of anti-loose eccentric wheel lock, it is smaller than inner end diameter by the outer diameter that screw is arranged, and inside and outside screw
The thread groove at both ends is in oppositely arranged, the flank intermeshing of the thread groove of screw inner end and the first locking nut, outside screw
The intermeshing of the flank of the thread groove at end and the second locking nut, allows the first locking nut and the second locking nut suitable
Benefit is mounted on the outer end of screw, and the first locking nut is smoothly mounted at the outer end of screw, by setting screw
The thread groove at outer both ends is in oppositely arranged, in the case where vibration, impact, the trend that the first locking nut can loosen, but
Being is outside reversed and the second locking nut tightening direction, the second locking since the pine of the first locking nut moves back direction
Tightening for nut exactly prevents the pine of the first locking nut to move back, so that eccentric shaft is connected with eccentric wheel to be loosened.
(2) secondly, extending to the inside of countershaft by the left side shaft end that eccentric shaft is arranged, and the left end of eccentric shaft is in protrusion
Structure, and diameter is smaller than the diameter of entire eccentric shaft, the left end by the way that eccentric shaft is arranged is in projective structure, so that eccentric shaft works
The power of generation can not concentrate on an axis, loosen, greatly improved to the tight of eccentric shaft after avoiding entire eccentric shaft from moving
Gu effect.
(3) thereafter, flank, the screw thread of fastener are provided with by being located at the position of fastener at the right-end openings of countershaft
Slot is meshed with the flank, and the flank of the left side shaft end of the flank of the position and eccentric shaft setting is in oppositely arranged,
Thread groove by the way that fastener is arranged is meshed with the flank, and the junction of countershaft and eccentric shaft is fixed in fastener,
By be arranged the flank and eccentric shaft of the position the setting of left side shaft end flank in oppositely arranged, in vibration, impact
In the case of, the trend that the left side shaft end of eccentric shaft can loosen is still outside anti-since the pine of eccentric shaft moves back direction
To and fastener tightening direction, tightening for fastener exactly prevent the pine of the left side shaft end of eccentric shaft to move back, lead to bias
The left side shaft end of axis can not loosen.
(4) also by being provided with spring washer in the junction of countershaft and eccentric shaft, and pass through fastener and countershaft outer wall
It is close to, adds spring washer in the junction of countershaft and eccentric shaft, for having relative motion therewith in the part and mechanism of locking
Part is kept apart in stress, and spring washer can play the role of reset, and the displacement that work is generated is with elastically-deformable side
Formula occur, when external force situation variation when, spring washer then with corresponding elastic deformation reply, in this case, countershaft and partially
Mandrel has no substantial displacement, also avoids loose generation, to play locking effect.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the eccentric shaft and countershaft attachment structure schematic diagram of the utility model.
Fig. 3 is first locking nut of the utility model and the second locking nut and the specific attachment structure schematic diagram of screw.
In figure: 1- main shaft；2- eccentric shaft；3- eccentric wheel；4- connection protective case；5- countershaft；6- fastener；7- screw；8-
First locking nut；The second locking nut of 9-；301- mounting groove.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.
Embodiment:
1-3 as shown in the figure；
Present embodiments provide a kind of anti-loose eccentric wheel lock, including main shaft 1, eccentric shaft 2, eccentric wheel 3, countershaft 5, institute
The left side for stating main shaft 1 is fixedly connected with eccentric shaft 2, and the outer end installation settings of the eccentric shaft 2 has eccentric wheel 3, the eccentric wheel 3
Outside both ends be provided with mounting groove 301, the main shaft 1 is nested with the junction of eccentric shaft 2 connect protective case 4, institute
The left end outer end insertion for stating eccentric shaft 2 is provided with countershaft 5, and fastener 6, the peace are equipped at the right-end openings of the countershaft 5
Screw 7 is installed, the outer end of the screw 7 is fastened with the first locking nut 8, and the screw 7 is located at the first locking in tankage 301
The outer end of nut 8 is fastened with the second locking nut 9.
Further, the outer diameter of the screw 7 is smaller than inner end diameter, and the thread groove of 7 inner and outer ends of screw is in anti-
To setting, the first locking nut 8 is smoothly mounted at the outer end of screw 7, by the spiral shell that 7 inner and outer ends of screw are arranged
Groove is in oppositely arranged, in the case where vibration, impact, the trend that the first locking nut 8 can loosen, still, due to the
It is outside reversed and the second locking nut 9 tightening direction that the pine of one locking nut 8, which moves back direction, the second locking nut 9
It tightens and the pine of the first locking nut 8 is exactly prevented to move back, so that eccentric shaft 2 and the connection of eccentric wheel 3 can not loosen.
Further, the flank of the thread groove and the first locking nut 8 of 7 inner end of screw is intermeshed, outside screw 7
The flank of the thread groove at end and the second locking nut 9 intermeshing, so that the first locking nut 8 and the second locking nut 9 can
To be smoothly mounted on the outer end of screw 7.
Further, the main shaft 1 is located on same axis with the countershaft 5, and is located at same axis with the eccentric shaft 2
On line.
Further, the left side shaft end of the eccentric shaft 2 extends to the inside of countershaft 5, and the left end of eccentric shaft 2 is in protrusion
Structure, and diameter is smaller than the diameter of entire eccentric shaft 2, the left end by the way that eccentric shaft 2 is arranged is in projective structure, so that eccentric shaft 2
Work the power generated, can not concentrate on an axis, loosens, is greatly improved to bias after avoiding entire eccentric shaft 2 from moving
The fastening effect of axis 2.
Further, flank is provided on the inner wall of the countershaft 5, and the left side shaft end of eccentric shaft 2 is provided with screw thread
Slot, and the left side shaft end of eccentric shaft 2 is fastened on the inside of countershaft 5 by thread groove, so that eccentric shaft 2 is fixedly connected with countershaft 5.
Further, the position at the right-end openings of the countershaft 5 positioned at fastener 6 is provided with flank, fastener 6
Thread groove is meshed with the flank, and the flank that the left side shaft end of the flank of the position and eccentric shaft 2 is arranged is in reversed
Setting, the thread groove by the way that fastener 6 is arranged are meshed with the flank, junction of the fastener 6 to countershaft 5 and eccentric shaft 2
It is fixed, the flank of the left side shaft end setting of flank and eccentric shaft 2 by the way that the position is arranged is shaking in oppositely arranged
In the case where dynamic, impact, the trend that the left side shaft end of eccentric shaft 2 can loosen, still, since the pine of eccentric shaft 2 moves back direction
It is the tightening direction of outside reversed and fastener 6, fastener 6 tightens the left side shaft end for exactly preventing eccentric shaft 2
Pine moves back, and causes the left side shaft end of eccentric shaft 2 that can not loosen.
Further, the junction of the countershaft 5 and eccentric shaft 2 is provided with spring washer, and passes through fastener 6 and countershaft
5 outer walls are close to, and add spring washer in the junction of countershaft 5 and eccentric shaft 2, opposite for having therewith in the part and mechanism of locking
The part of movement is kept apart in stress, and spring washer can play the role of reset, and the displacement that work is generated is with elastic shape
The mode of change occurs, and when the variation of external force situation, spring washer is in this case, secondary then with corresponding elastic deformation reply
Axis 5 and eccentric shaft 2 have no substantial displacement, loose generation are also avoided, to play locking effect.
Working principle:
When using one kind provided by the utility model anti-loose eccentric wheel lock, screw 7 is inserted into mounting groove 301,
The intermeshing of the flank of the thread groove of 7 inner end of screw and the first locking nut 8, the thread groove of 7 outer end of screw and the second locking
The flank of nut 9 is intermeshed, and the first locking nut 8 and the second locking nut 9 is allowed smoothly to be mounted on the outer of screw 7
First locking nut 8, is first screwed into screw 7, then the second locking nut 9 is screwed into screw 7, the outer diameter of screw 7 by end
It is smaller than inner end diameter, and the thread groove of 7 inner and outer ends of screw installs the first locking nut 8 smoothly in oppositely arranged
At the outer end of screw 7, in the case where vibration, impact, the trend that the first locking nut 8 can loosen, still, due to the
It is outside reversed and the second locking nut 9 tightening direction that the pine of one locking nut 8, which moves back direction, the second locking nut 9
It tightens and the pine of the first locking nut 8 is exactly prevented to move back, so that eccentric shaft 2 and the connection of eccentric wheel 3 can not loosen, by fastener 6
Be screwed on countershaft 5, the position at the right-end openings of countershaft 5 positioned at fastener 6 is provided with flank, the thread groove of fastener 6 with
The flank is meshed, then spring washer is close to fastener 6, and eccentric shaft 2 is screwed into countershaft 5, and the installation of eccentric shaft 2 is become owner of
In axis 1, flank is provided on the inner wall of countershaft 5, and the left side shaft end of eccentric shaft 2 is provided with thread groove, and a left side for eccentric shaft 2
Side axle end is fastened on the inside of countershaft 5 by thread groove, so that eccentric shaft 2 is fixedly connected with countershaft 5, the thread groove of fastener 6
It is meshed with the flank, countershaft 5 and the junction of eccentric shaft 2 is fixed in fastener 6, and tightening for fastener 6 exactly hinders
The pine for having stopped the left side shaft end of eccentric shaft 2 moves back, and causes the left side shaft end of eccentric shaft 2 that can not loosen, and spring washer passes through fastener 6
It to be close to 5 outer wall of countershaft, adds spring washer in the junction of countershaft 5 and eccentric shaft 2, spring washer can play the role of reset,
The displacement that work generates is occurred in a manner of elastically-deformable, when the variation of external force situation, spring washer is then with corresponding elasticity
Deformation reply, in this case, countershaft 5 and eccentric shaft 2 have no substantial displacement, also avoid loose generation, from
And play locking effect.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Without departing from the concept of the premise utility, several modifications and improvements can also be made, these also should be considered as practical
Novel protection scope, these all will not influence the effect and patent practicability of the utility model implementation.
Claims (8)
1. a kind of anti-loose eccentric wheel lock, including main shaft (1), eccentric shaft (2), eccentric wheel (3), countershaft (5), feature exists
In being fixedly connected with eccentric shaft (2) on the left of the main shaft (1), the outer end installation settings of the eccentric shaft (2) has eccentric wheel
(3), the outside both ends of the eccentric wheel (3) are provided with mounting groove (301), and the main shaft (1) and the junction of eccentric shaft (2) are embedding
Set is provided with connection protective case (4), and the left end outer end insertion of the eccentric shaft (2) is provided with countershaft (5), the countershaft (5)
It is equipped with fastener (6), is equipped with screw (7) in the mounting groove (301), the outer end of the screw (7) is tight at right-end openings
Intrinsic first locking nut (8), the outer end that the screw (7) is located at the first locking nut (8) are fastened with the second locking nut
(9).
2. anti-loose eccentric wheel lock according to claim 1, which is characterized in that the outer diameter ratio of the screw (7)
Inner end diameter is small, and the thread groove of screw (7) inner and outer ends is in oppositely arranged.
3. anti-loose eccentric wheel lock according to claim 1, which is characterized in that the thread groove of screw (7) inner end
It is intermeshed with the flank of the first locking nut (8), the thread groove of screw (7) outer end and the screw thread of the second locking nut (9)
Face intermeshing.
4. anti-loose eccentric wheel lock according to claim 1, which is characterized in that the main shaft (1) and the countershaft (5)
It is located in same axis on same axis, and with the eccentric shaft (2).
5. anti-loose eccentric wheel lock according to claim 1, which is characterized in that the left side shaft end of the eccentric shaft (2)
The inside of countershaft (5) is extended to, and the left end of eccentric shaft (2) is in projective structure, and diameter is than the diameter of entire eccentric shaft (2)
It is small.
6. anti-loose eccentric wheel lock according to claim 1, which is characterized in that be arranged on the inner wall of the countershaft (5)
There is flank, and the left side shaft end of eccentric shaft (2) is provided with thread groove, and the left side shaft end of eccentric shaft (2) is tight by thread groove
Gu in the inside of countershaft (5).
7. anti-loose eccentric wheel lock according to claim 1, which is characterized in that at the right-end openings of the countershaft (5)
The position of fastener (6) is provided with flank, the thread groove of fastener (6) is meshed with the flank, and the position
The flank that the left side shaft end of flank and eccentric shaft (2) is arranged is in oppositely arranged.
8. anti-loose eccentric wheel lock according to claim 1, which is characterized in that the countershaft (5) and eccentric shaft (2)
Junction is provided with spring washer, and is close to by fastener (6) with countershaft (5) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822181791.9U CN209621841U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-loose eccentric wheel lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822181791.9U CN209621841U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-loose eccentric wheel lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621841U true CN209621841U (en) | 2019-11-12 |
Family
ID=68446751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822181791.9U Active CN209621841U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-loose eccentric wheel lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209621841U (en) |
-
2018
- 2018-12-25 CN CN201822181791.9U patent/CN209621841U/en active Active
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