CN214331172U - Eccentric shaft fixed axis output mechanism - Google Patents
Eccentric shaft fixed axis output mechanism Download PDFInfo
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- CN214331172U CN214331172U CN202023323480.5U CN202023323480U CN214331172U CN 214331172 U CN214331172 U CN 214331172U CN 202023323480 U CN202023323480 U CN 202023323480U CN 214331172 U CN214331172 U CN 214331172U
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Abstract
The utility model discloses an eccentric shaft fixed axis output mechanism, including eccentric interior axle, eccentric outer axle, first bearing and second bearing, be provided with the eccentric orfice on the eccentric outer axle, eccentric interior axle output end is provided with eccentric output shaft, the axis of eccentric output shaft and the axis of eccentric interior axle are not on the same straight line, the eccentric volume of eccentric interior axle and eccentric outer axle is the same; the first bearing is arranged in the eccentric hole, the eccentric inner shaft is arranged on an inner ring of the first bearing, the eccentric outer shaft is arranged on an inner ring of the second bearing, and an outer ring of the second bearing is used for being arranged on equipment; the initial positions of the eccentric inner shaft and the eccentric outer shaft are both at 0 degree, the rotating directions of the eccentric outer shaft and the eccentric inner shaft are opposite, and the rotating speeds of the eccentric outer shaft and the eccentric inner shaft are the same. The mechanism can enable the output force to be consistent with the output direction axis in actual use, reduce the transverse swing amplitude, prolong the service life and reduce the failure rate of equipment.
Description
Technical Field
The utility model relates to an eccentric shaft installation technical field, concretely relates to eccentric shaft dead axle output mechanism.
Background
An eccentric shaft. The eccentric shaft is usually fixed on the rotating shaft of the motor through an eccentric hole, and when the motor is started, the eccentric shaft makes a cam motion. Therefore, the composite material is widely applied to automobiles, engines, pumps and the like. The eccentric shaft is named as eccentricric craft, and the center of the eccentric shaft is not the center of an axis, and a common shaft can only drive a workpiece to rotate, but the eccentric shaft can not only transfer rotation, but also transfer revolution.
As shown in the attached figure 1 of the specification, the eccentric shaft rotates anticlockwise, wherein a solid line is an output direction, a dotted line is an output direction, and a solid point is an output circle center; the original eccentric shaft output force mechanism has a changed included angle between the output force direction and the output force direction, so that the output force direction and the output force direction have a certain included angle, and a part of the output force can be lost; in the process of rotation, the eccentric shaft has larger swing amplitude in the transverse direction, so that the abrasion of the sliding bearing is increased, and the service life of the sliding bearing is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an axis output mechanism is decided to eccentric shaft, this mechanism can make the output unanimous with the output direction axis in the use of reality, reduces the horizontal amplitude of oscillation, increase of service life for the fault rate of equipment reduces.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an eccentric shaft fixed axis output mechanism comprises an eccentric inner shaft, an eccentric outer shaft, a first bearing and a second bearing, wherein an eccentric hole is formed in the eccentric outer shaft, an eccentric output shaft is arranged at the output end of the eccentric inner shaft, the axis of the eccentric output shaft and the axis of the eccentric inner shaft are not on the same straight line, and the eccentric amounts of the eccentric inner shaft and the eccentric outer shaft are the same; the first bearing is arranged in the eccentric hole, the eccentric inner shaft is arranged on an inner ring of the first bearing, the eccentric outer shaft is arranged on an inner ring of the second bearing, and an outer ring of the second bearing is used for being arranged on equipment;
before starting, the initial positions of the eccentric inner shaft and the eccentric outer shaft are all at 0 degree, the circle center of the eccentric inner shaft, the circle center of the eccentric hole, the circle centers of the eccentric outer shaft and the eccentric output shaft are located on the same vertical line, the rotating directions of the eccentric outer shaft and the eccentric inner shaft are opposite, the rotating speeds of the eccentric outer shaft and the eccentric inner shaft are the same, the eccentric outer shaft is connected with a reverse driving device, and the eccentric inner shaft is connected with a forward driving device.
The reverse driving device is used for driving the eccentric outer shaft to rotate anticlockwise and comprises a transmission mechanism and a driving motor, and the driving motor is connected with the eccentric outer shaft through the transmission mechanism.
Further optimizing, the forward driving device is used for driving the eccentric inner shaft to rotate clockwise, the forward driving device comprises a speed reducer and an input motor, and the eccentric inner shaft is connected with the input motor through the speed reducer.
The first bearing and the second bearing are thrust roller bearings or angular contact ball bearings.
Further optimize, eccentric output shaft and eccentric interior axle formula structure as an organic whole.
Further preferably, the eccentric output shaft is arranged at the end part of the eccentric inner shaft in a welding mode.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses mainly by including eccentric interior axle, eccentric outer axle, first bearing, the second bearing, reverse drive device and forward drive device constitute, in the in-service use of reality, eccentric interior axle and eccentric outer axle all can independent rotation, because eccentric interior axle output end is provided with eccentric output shaft, the axis of eccentric output shaft and the axis of eccentric interior axle are not on same straight line, the eccentric volume of eccentric interior axle and eccentric outer axle is the same, the initial position of eccentric interior axle and eccentric outer axle all is at 0 position, before starting, the centre of a circle of eccentric interior axle, the centre of a circle of eccentric hole, the centre of a circle of eccentric outer axle and eccentric output shaft is located same vertical line, the direction of rotation of eccentric outer axle and eccentric interior axle is opposite, and the rotational speed of eccentric outer axle and eccentric interior axle is the same, eccentric outer hub connection has reverse drive device, eccentric interior hub connection has forward drive device; therefore, in actual use, the circle centers of the eccentric output shafts on the eccentric inner shafts are always on the same vertical line, so that the output direction is consistent with the output direction, and no deflection force exists; and furthermore, the power required by the equipment is reduced, the first bearing and the second bearing have no lateral force, the abrasion of the bearings can be effectively reduced, the service life of the equipment is prolonged, the failure rate of the equipment is reduced, and the quality and the production efficiency of products are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of an eccentric shaft in actual use according to the prior art of the present invention.
Fig. 2 is a schematic view of the state of the present invention at 0 °.
Fig. 3 is a schematic view of the state of the present invention at 45 °.
Fig. 4 is a schematic view of the state of the present invention at 90 °.
Fig. 5 is a schematic view of the state of the present invention at 135 °.
Fig. 6 is a schematic view of the state of the present invention at 180 °.
Fig. 7 is a schematic view of the state of the present invention at 225 °.
Fig. 8 is a schematic view of the state of the present invention at 270 °.
Fig. 9 is a schematic view of the state of the present invention at 315 °.
Fig. 10 is a schematic view of the state of the present invention at 360 °.
Reference numerals: 1-eccentric inner shaft, 2-eccentric outer shaft, 3-first bearing, 4-eccentric hole and 5-eccentric output shaft.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example one
The embodiment discloses an eccentric shaft fixed axis output mechanism, which comprises an eccentric inner shaft 1, an eccentric outer shaft 2, a first bearing 3 and a second bearing, wherein an eccentric hole 4 is formed in the eccentric outer shaft 2, an eccentric output shaft 5 is arranged at the output end of the eccentric inner shaft 1, the axis of the eccentric output shaft 5 and the axis of the eccentric inner shaft 1 are not on the same straight line, and the eccentric amounts of the eccentric inner shaft 1 and the eccentric outer shaft 2 are the same; the first bearing 3 is arranged in the eccentric hole 4, the eccentric inner shaft 1 is arranged on an inner ring of the first bearing 3, the eccentric outer shaft 2 is arranged on an inner ring of the second bearing, and an outer ring of the second bearing is used for being arranged on equipment;
the initial positions of the eccentric inner shaft 1 and the eccentric outer shaft 2 are all at 0 degree, as shown in fig. 2, before starting, the circle center of the eccentric inner shaft 1, the circle center of the eccentric hole 4, the circle centers of the eccentric outer shaft 2 and the eccentric output shaft 5 are located on the same vertical line, the rotation directions of the eccentric outer shaft 2 and the eccentric inner shaft 1 are opposite, the rotation speeds of the eccentric outer shaft 2 and the eccentric inner shaft 1 are the same, the eccentric outer shaft 2 is connected with a reverse driving device, and the eccentric inner shaft 1 is connected with a forward driving device.
When needing to be explained, the circle centers are all the circle center positions of all the parts when seen from the side surface.
The reverse driving device is used for driving the eccentric outer shaft 2 to rotate anticlockwise, and comprises a transmission mechanism and a driving motor, and the driving motor is connected with the eccentric outer shaft 2 through the transmission mechanism.
The forward driving device is used for driving the eccentric inner shaft 1 to rotate clockwise, the forward driving device comprises a speed reducer and an input motor, and the input end of the eccentric inner shaft 1 is connected with the input motor through the speed reducer.
The forward driving device is an input mechanism of the apparatus.
The utility model discloses mainly by including eccentric interior axle 1, eccentric outer axle 2, first bearing 3, the second bearing, reverse drive device and forward drive device constitute, in the in-service use of reality, eccentric interior axle 1 and eccentric outer axle 2 all can independent rotation, because eccentric interior axle 1 output is provided with eccentric output shaft 5, the axis of eccentric output shaft 5 and the axis of eccentric interior axle 1 are not on same straight line, the eccentric volume of eccentric interior axle 1 is the same with eccentric outer axle 2, the initial position of eccentric interior axle 1 and eccentric outer axle 2 all is in 0 position, the direction of rotation of eccentric outer axle 2 and eccentric outer axle 2 is opposite, and the rotational speed of eccentric outer axle 2 is the same with eccentric interior axle 1; therefore, in actual use, the circle centers of the eccentric output shafts 5 are always on the same vertical line, so that the consistency of the output direction and the output direction is ensured, and no deflection force exists; and furthermore, the power required by the equipment is reduced, the first bearing 3 and the second bearing have no lateral force, the abrasion of the bearings can be effectively reduced, the service life of the equipment is prolonged, the failure rate of the equipment is reduced, and the quality and the production efficiency of products are improved.
The first bearing 3 and the second bearing are thrust roller bearings or angular contact ball bearings.
Further optimizing, the eccentric output shaft 5 and the eccentric inner shaft 1 are of an integrated structure.
Alternatively, the eccentric output shaft 5 is provided at the end of the eccentric inner shaft 1 by welding.
In order to ensure that welding stress during welding and deformation during welding are avoided in actual use, the eccentric output shaft 5 and the eccentric inner shaft 1 are generally provided as an integral structure,
in actual use, the input motor can drive the speed reducer to work, the output end of the speed reducer is connected with the input end of the eccentric inner shaft 1, the input motor drives the eccentric inner shaft 1 to rotate, and then the driving motor is used for driving the eccentric outer shaft 2 to move; further, the rotating speeds of the eccentric inner shaft 1 and the eccentric outer shaft 2 are the same, and the rotating directions are opposite.
In order to more intuitively explain the utility model, the states of the utility model at 0 degree, 45 degrees, 90 degrees, 135 degrees, 225 degrees, 270 degrees, 315 degrees and 360 degrees are shown in figures 2-10; the circles of the eccentric output shafts 5 are all on a straight line, that is, the eccentric output shafts mainly move in the up-down direction, but do not swing in the left-right direction, or the swing amplitude is extremely small; thereby reducing wear on the bearings.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.
Claims (6)
1. The utility model provides an eccentric shaft dead axle output mechanism which characterized in that: the eccentric shaft is provided with an eccentric hole, the output end of the eccentric shaft is provided with an eccentric output shaft, the axis of the eccentric output shaft and the axis of the eccentric inner shaft are not on the same straight line, and the eccentric amounts of the eccentric inner shaft and the eccentric outer shaft are the same; the first bearing is arranged in the eccentric hole, the eccentric inner shaft is arranged on an inner ring of the first bearing, the eccentric outer shaft is arranged on an inner ring of the second bearing, and an outer ring of the second bearing is used for being arranged on equipment;
before starting, the initial positions of the eccentric inner shaft and the eccentric outer shaft are all at 0 degree, the circle center of the eccentric inner shaft, the circle center of the eccentric hole, the circle centers of the eccentric outer shaft and the eccentric output shaft are located on the same vertical line, the rotating directions of the eccentric outer shaft and the eccentric inner shaft are opposite, the rotating speeds of the eccentric outer shaft and the eccentric inner shaft are the same, the eccentric outer shaft is connected with a reverse driving device, and the eccentric inner shaft is connected with a forward driving device.
2. The eccentric fixed axis output mechanism of claim 1, wherein: the reverse driving device is used for driving the eccentric outer shaft to rotate anticlockwise and comprises a transmission mechanism and a driving motor, and the driving motor is connected with the eccentric outer shaft through the transmission mechanism.
3. The eccentric fixed axis output mechanism of claim 1, wherein: the forward driving device is used for driving the eccentric inner shaft to rotate clockwise and comprises a speed reducer and an input motor, and the eccentric inner shaft is connected with the input motor through the speed reducer.
4. The eccentric fixed axis output mechanism of claim 1, wherein: the first bearing and the second bearing are thrust roller bearings or angular contact ball bearings.
5. The eccentric fixed axis output mechanism of claim 1, wherein: the eccentric output shaft and the eccentric inner shaft are of an integrated structure.
6. The eccentric fixed axis output mechanism of claim 1, wherein: the eccentric output shaft is arranged at the end part of the eccentric inner shaft in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023323480.5U CN214331172U (en) | 2020-12-31 | 2020-12-31 | Eccentric shaft fixed axis output mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023323480.5U CN214331172U (en) | 2020-12-31 | 2020-12-31 | Eccentric shaft fixed axis output mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214331172U true CN214331172U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023323480.5U Active CN214331172U (en) | 2020-12-31 | 2020-12-31 | Eccentric shaft fixed axis output mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214331172U (en) |
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2020
- 2020-12-31 CN CN202023323480.5U patent/CN214331172U/en active Active
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