CN217814829U - Reciprocating transmission mechanism and power equipment - Google Patents
Reciprocating transmission mechanism and power equipment Download PDFInfo
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- CN217814829U CN217814829U CN202221725409.6U CN202221725409U CN217814829U CN 217814829 U CN217814829 U CN 217814829U CN 202221725409 U CN202221725409 U CN 202221725409U CN 217814829 U CN217814829 U CN 217814829U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 14
- 238000005096 rolling process Methods 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
- F16H25/12—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation along the axis of rotation, e.g. gearings with helical grooves and automatic reversal or cams
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
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Abstract
The utility model relates to a reciprocating transmission mechanism and power equipment, reciprocating transmission mechanism include transmission shaft, reciprocal cover, spacing body, balanced cover and the balancing body. The reciprocating sleeve and the balance sleeve are sleeved on the transmission shaft and are arranged oppositely, a limiting body is positioned on one of the outer wall of the transmission shaft and the inner wall of the reciprocating sleeve, a reciprocating guide rail is arranged on the other one of the outer wall of the transmission shaft and the inner wall of the balance sleeve, a balance body is positioned on one of the outer wall of the transmission shaft and the inner wall of the balance sleeve, a balance guide rail is arranged on the other one of the outer wall of the transmission shaft and the inner wall of the balance sleeve at intervals, and the tracks of the balance guide rail and the reciprocating guide rail are closed curves around the axis of the transmission shaft. When the transmission shaft rotates, the balance body moves along the track of the balance guide rail, the limiting body moves along the track of the reciprocating guide rail, so that the balance sleeve and the reciprocating sleeve move oppositely or back to back along the axis direction of the transmission shaft, the force generated by the balance sleeve and the force generated by the reciprocating sleeve are mutually offset, the phenomenon that the reciprocating sleeve is independently arranged to cause axial vibration to the transmission shaft is avoided, and the transmission stability is improved.
Description
Technical Field
The utility model relates to a remove technical field, especially relate to reciprocating transmission mechanism and power equipment.
Background
Often need convert rotary motion into linear reciprocating motion in machinery field, traditional reciprocating structure like slider-crank mechanism, crank swing arm mechanism, linear electric motor or servo motor lead screw reciprocating mechanism etc. has the beat angle problem to slider-crank mechanism and crank swing arm mechanism, has the uneven problem of atress to linear electric motor or servo motor lead screw reciprocating mechanism etc. and then leads to influencing reciprocating drive's stability.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a reciprocating transmission mechanism and a power plant which ensure the stability of reciprocating transmission.
A reciprocating transmission mechanism comprises a transmission shaft, a reciprocating sleeve, a limiting body, a balancing sleeve and a balancing body, wherein the transmission shaft can rotate around the axis of the transmission shaft; the reciprocating sleeve is sleeved on the transmission shaft; the limiting body is positioned on one of the outer wall of the transmission shaft and the inner wall of the reciprocating sleeve, a reciprocating guide rail is arranged on the other one of the outer wall of the transmission shaft and the inner wall of the reciprocating sleeve, the track of the reciprocating guide rail is a closed curve around the axis of the transmission shaft, and the limiting body is in guiding fit with the reciprocating guide rail and can move along the track of the reciprocating guide rail; the balance sleeve is sleeved on the transmission shaft and is positioned on one side of the reciprocating sleeve; the balance body is positioned on one of the outer wall of the transmission shaft and the inner wall of the balance sleeve, a balance guide rail arranged at an interval with the reciprocating guide rail is arranged on the other one of the outer wall of the transmission shaft and the inner wall of the balance sleeve, the track of the balance guide rail is a closed curve around the axis of the transmission shaft, the balance body is in guide fit with the balance guide rail and can move along the track of the balance guide rail, and in the rotating process of the transmission shaft, the balance sleeve and the reciprocating sleeve can move oppositely or oppositely along the axis direction of the transmission shaft.
In one embodiment, the track of the reciprocating guide rail around the axis of the transmission shaft is sinusoidal, and the track of the balance guide rail around the axis of the transmission shaft is sinusoidal; the wave crest of the balance guide rail is opposite to the wave trough of the reciprocating guide rail, the wave trough of the balance guide rail is opposite to the wave crest of the reciprocating guide rail, and the limiting body and the balance body are arranged at intervals.
In one embodiment, the reciprocating guide rail comprises at least two complete and continuous sinusoidal cycles along the track around the axis of the transmission shaft, the number of the limiting bodies arranged on the reciprocating guide rail is less than or equal to the number of the sinusoidal cycles of the reciprocating guide rail, and the limiting bodies on the reciprocating guide rail are uniformly arranged around the axis of the transmission shaft at intervals; the balance guide rail is consistent with the reciprocating guide rail in structure, the balance bodies are consistent with the limiting bodies in number, and one limiting body is arranged opposite to one balance body along the axis direction of the transmission shaft.
In one embodiment, the reciprocating guide rail is a reciprocating groove which is a closed curve groove around the axis of the transmission shaft, and the limiting body comprises a universal ball which is rollably arranged in the reciprocating groove and can move in the reciprocating groove.
In one embodiment, the balancing body and the limiting body are identical in structure, the balancing guide rail is a balancing groove, and the balancing groove is identical in structure with the reciprocating groove.
In one embodiment, a first oil guide groove is formed in the inner wall of the reciprocating groove, and the track of the first oil guide groove is consistent with that of the reciprocating groove; and a second oil guide groove is formed in the inner wall of the balance groove, and the track of the second oil guide groove is consistent with that of the balance groove.
In one embodiment, the mass of the balance sleeve is greater than or equal to the mass of the reciprocating sleeve.
In one embodiment, the reciprocating transmission mechanism further comprises a power source and an output shaft, the power source is connected to one end, close to the balance sleeve, of the transmission shaft, the output shaft is connected to one end, opposite to the balance sleeve, of the reciprocating sleeve, and the power source is used for driving the transmission shaft to rotate.
In one embodiment, the reciprocating transmission mechanism further comprises a guide piece, a first matching structure is arranged on the outer wall of the reciprocating sleeve, a second matching structure is arranged on the outer wall of the balance sleeve, the guide piece is simultaneously matched with the first matching structure and the second matching structure in a guiding mode, and the guiding directions of the guide piece, the first matching structure and the second matching structure are the axial direction of the transmission shaft; and/or
In one embodiment, the reciprocating transmission mechanism further comprises a housing, and the transmission shaft, the reciprocating sleeve and the balance sleeve are all arranged in the housing.
The reciprocating transmission mechanism is characterized in that the reciprocating sleeve and the balance sleeve are sleeved on the transmission shaft and are arranged oppositely, a limit body is positioned on one of the outer wall of the transmission shaft and the inner wall of the reciprocating sleeve, a reciprocating guide rail is arranged on the other one of the outer wall of the transmission shaft and the inner wall of the balance sleeve, a balance body is positioned on one of the outer wall of the transmission shaft and the inner wall of the balance sleeve, the balance guide rail is arranged at intervals on the other one of the outer wall of the transmission shaft and the inner wall of the balance sleeve, and the tracks of the balance guide rail and the reciprocating guide rail are closed curves around the axis of the transmission shaft. When the drive transmission shaft rotates, the balance body moves along the track of the balance guide rail, and the limiting body moves along the track of the reciprocating guide rail, so that the balance sleeve and the reciprocating sleeve move oppositely or back to back along the axis direction of the transmission shaft, the force generated by the acceleration of the balance sleeve can be offset with the force generated by the acceleration of the reciprocating sleeve, and the phenomenon that the reciprocating sleeve is arranged independently to cause axial vibration to the transmission shaft is avoided. Through the cooperation of balancing body and balanced cover, can avoid the axial vibration of reciprocal cover and transmission shaft, improve driven stability.
A power plant comprising a reciprocating drive mechanism as described above.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Furthermore, the drawings are not to scale as 1:1, and the relative sizes of the various elements are drawn in the drawings by way of example only and not necessarily to true scale. In the drawings:
FIG. 1 is a schematic diagram of a reciprocating drive mechanism according to an embodiment;
FIG. 2 is an exploded view of the reciprocating drive mechanism shown in FIG. 1;
FIG. 3 is a front view of the structure of the transmission shaft, the limiting body and the balancing body in FIG. 2
FIG. 4 is a cross-sectional view of the reciprocating drive mechanism of FIG. 1 from a perspective;
fig. 5 is a cross-sectional view of the reciprocating drive mechanism shown in fig. 1 from another perspective.
Description of reference numerals:
10. a reciprocating transmission mechanism; 100. a drive shaft; 200. a reciprocating sleeve; 210. a first mating structure; 212. a first guide hole; 300. a limiting body; 310. a universal ball; 320. a limiting seat; 330. a ball bearing; 400. a balance sleeve; 410. a second mating structure; 412. a second guide hole; 500. a balance body; 510. a balance ball; 520. a balance seat; 530. a rolling body; 600. a reciprocating groove; 610. a first oil guide groove; 700. a balancing tank; 710. a second oil guide groove; 800. a housing; 810. an output aperture; 820. an input aperture; 830. a guide member; 900. and an output shaft.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Referring to fig. 1 to 3, the reciprocating transmission mechanism 1010 according to an embodiment of the present invention can at least ensure the stability of transmission. Specifically, the reciprocating transmission mechanism 10 includes a transmission shaft 100, a reciprocating sleeve 200, a limiting body 300, a balance sleeve 400 and a balance body 500.
The transmission shaft 100 can rotate around the axis thereof; the reciprocating sleeve 200 is sleeved on the transmission shaft 100, the limiting body 300 is positioned on one of the outer wall of the transmission shaft 100 and the inner wall of the reciprocating sleeve 200, a reciprocating guide rail is arranged on the other one, the track of the reciprocating guide rail is a closed curve around the axis of the transmission shaft 100, and the limiting body 300 is in guiding fit with the reciprocating guide rail and can move along the track of the reciprocating guide rail; the balance sleeve 400 is sleeved on the transmission shaft 100 and is positioned at one side of the reciprocating sleeve 200; the balance body 500 is positioned on one of the outer wall of the transmission shaft 100 and the inner wall of the balance sleeve 400, the other one is provided with a balance guide rail arranged at an interval with the reciprocating guide rail, the track of the balance guide rail is a closed curve around the axis of the transmission shaft 100, the balance body 500 is in guide fit with the balance guide rail and can move along the track of the balance guide rail, and in the rotating process of the transmission shaft 100, the balance sleeve 400 and the reciprocating sleeve 200 can move oppositely or oppositely along the axis direction of the transmission shaft 100.
Referring to fig. 4, in the reciprocating transmission mechanism 10, the reciprocating sleeve 200 and the balance sleeve 400 are both sleeved on the transmission shaft 100 and are disposed oppositely, because one of the outer wall of the transmission shaft 100 and the inner wall of the reciprocating sleeve 200 is positioned with the limit body 300, the other is provided with the reciprocating guide rail, one of the outer wall of the transmission shaft 100 and the inner wall of the balance sleeve 400 is positioned with the balance body 500, the other is provided with the balance guide rail disposed at intervals, and the track of the balance guide rail and the track of the reciprocating guide rail are closed curves around the axis of the transmission shaft 100. When the transmission shaft 100 is driven to rotate, the balance body 500 moves along the track of the balance guide rail, and the limiting body 300 moves along the track of the reciprocating guide rail, so that the balance sleeve 400 and the reciprocating sleeve 200 move oppositely or reversely along the axial direction of the transmission shaft 100, and further the force generated by the acceleration of the balance sleeve 400 and the force generated by the acceleration of the reciprocating sleeve 200 can be mutually offset, and the force which is generated by the axial vibration of the transmission shaft 100 due to the fact that the reciprocating sleeve 200 is separately arranged is avoided. Through the cooperation of the balance body 500 and the balance sleeve 400, the axial vibration of the reciprocating sleeve 200 and the transmission shaft 100 can be avoided, and the stability of transmission is improved.
In this embodiment, the balance guide rail and the reciprocating guide rail are both disposed on the outer wall of the transmission shaft 100. The stopper 300 is positioned on the inner wall of the reciprocating sleeve 200, and the balance 500 is positioned on the inner wall of the balance sleeve 400. The position-limiting body 300 and the balancing body 500 can move relatively or reversely relative to the transmission shaft 100 in synchronization, and further the forces of the position-limiting body 300 and the balancing body 500 on the transmission shaft 100 can be mutually offset.
In another embodiment, the balance rail may be further disposed on an inner wall of the balance sleeve 400 and the reciprocating rail is disposed on an inner wall of the reciprocating sleeve 200. The spacing body 300 and the balancing body 500 are positioned on the outer wall of the transmission shaft 100 and are arranged at intervals along the axial direction of the transmission shaft 100.
Referring to fig. 2, 3 and 4, in one embodiment, the trajectory of the reciprocating guide rail around the axis of the transmission shaft 100 is sinusoidal. When the transmission shaft 100 rotates, the limiting body 300 moves along the track of the reciprocating guide rail, and the reciprocating guide rail arranged in a sinusoidal track is utilized to ensure that the limiting body 300 can smoothly move on the reciprocating guide rail and the reciprocating sleeve 200 can stably move in a reciprocating manner.
In this embodiment, the trajectory of the balance rail around the axis of the transmission shaft 100 is sinusoidal; the wave crest of the balance guide rail is opposite to the wave trough of the reciprocating guide rail, the wave trough of the balance guide rail is opposite to the wave crest of the reciprocating guide rail, and the limiting body 300 and the balance body 500 are arranged at intervals relatively. When the spacing body 300 moves in one direction on the reciprocating guide rail, so that the balancing body 500 can move in the opposite direction on the balancing guide rail, thereby realizing that the reciprocating sleeve 200 and the balancing sleeve 400 move in different directions.
In other embodiments, the track of the balance guide rail and the reciprocating guide rail may also be in other track shapes, as long as it can be ensured that the reciprocating sleeve 200 and the balance sleeve 400 move in different directions through the limiting body 300 and the balance body 500 in the rotating process of the transmission shaft 100.
In one embodiment, the reciprocating guide rail includes at least two complete and continuous sinusoidal cycles along the track around the axis of the transmission shaft 100, the number of the limiting bodies 300 arranged on the reciprocating guide rail is less than or equal to the number of the sinusoidal cycles of the reciprocating guide rail, and the limiting bodies 300 on the reciprocating guide rail are arranged at regular intervals around the axis of the transmission shaft 100.
For example, in the present embodiment, the track of the reciprocating guide rail includes two sinusoidal curves, the number of the position-limiting bodies 300 is also two, the two position-limiting bodies 300 can be simultaneously arranged at the trough positions of the two sinusoidal curves of the reciprocating guide rail or at the peak positions of the two sinusoidal curves, and the two position-limiting bodies 300 at this time are uniformly arranged around the axis of the transmission shaft 100. The transmission stability can be further improved by the cooperation of the evenly arranged limiting bodies 300 and the sine curve type reciprocating guide rail.
In other embodiments, the track of the single reciprocating guide rail around the axis of the transmission shaft 100 may include three or other numbers of complete and continuous sinusoidal cycles, the number of the corresponding limiting bodies 300 may be three or other numbers, and one limiting body 300 is correspondingly arranged on each sinusoidal cycle to ensure the stable reciprocating movement of the reciprocating shaft 200.
In this embodiment, the balance guide rail and the reciprocating guide rail have the same structure, the number of the balance bodies 500 and the number of the position-limiting bodies 300 are the same, and one position-limiting body 300 is disposed opposite to one balance body 500 along the axial direction of the transmission shaft 100. Through setting up balanced guide rail unanimous with reciprocating guide rail, and then can guarantee the smooth degree that balancing body 500 removed on balanced guide rail, and guarantee that balancing body 500 can effectively balance the axial acceleration that spacing body 300 produced, avoid the production of vibration.
In one embodiment, the reciprocating guide rail is a reciprocating groove 600, the reciprocating groove 600 is a closed curve groove around the axis of the transmission shaft 100, and the position-limiting body 300 comprises a universal ball 310, and the universal ball 310 is rollably disposed in the reciprocating groove 600 and can move in the reciprocating groove 600. Utilize reciprocal groove 600 to realize the spacing guide effect to universal ball 310, guarantee that universal ball 310 can move along the orbit stability of reciprocal groove 600.
Specifically, the limiting body 300 is positioned on the inner wall of the reciprocating sleeve 200, and then a first positioning groove is formed on the inner wall of the reciprocating sleeve 200; part of the universal ball 310 is rollably disposed in the first positioning groove, and the other part thereof is inserted into the reciprocating groove 600. Since the universal ball 310 can roll, the reciprocating movement of the reciprocating sleeve 200 relative to the transmission shaft 100 is realized by the rolling friction of the universal ball 310, but not the sliding friction of the reciprocating sleeve 200 relative to the transmission shaft 100, so that the transmission efficiency is further ensured.
In another embodiment, if the spacing body 300 is positioned on the outer wall of the transmission shaft 100, the first positioning groove is opened on the inner wall of the reciprocating sleeve 200.
In one embodiment, the position-limiting body 300 further includes a position-limiting seat 320 and a plurality of balls 330, the plurality of balls 330 are disposed in the position-limiting seat 320, the universal ball 310 partially penetrates the position-limiting seat 320 and abuts against the balls 330, and both the universal ball 310 and the balls 330 can roll relative to the position-limiting seat 320. Specifically, the limiting seat 320 is disposed in the first positioning groove in a penetrating manner. When the universal ball 310 rolls, rolling friction between the universal ball 310 and the limiting seat 320 is realized by the plurality of rolling balls 330, so that the rolling stability of the universal ball 310 is further ensured, and direct contact between the universal ball 310 and the inner wall of the first positioning groove is avoided.
In other embodiments, the retainer 320 may be omitted, the balls 330 are directly disposed in the first positioning groove, and the ball 310 penetrates through the first positioning groove and abuts against the balls 330.
In other embodiments, the reciprocating guide rail may also be a reciprocating protrusion, the track of the reciprocating protrusion is a closed curve protrusion around the axis of the transmission shaft 100, the wave crest and the wave trough of the curve protrusion are arranged at intervals along the axis of the transmission shaft 100, a groove is formed on the limiting body 300, and the reciprocating protrusion penetrates through the groove. As long as the stopper body 300 can be ensured to move along the trajectory of the reciprocating guide rail.
In this embodiment, the balance body 500 and the limiting body 300 have the same structure, the balance guide rail is a balance groove 700, and the balance groove 700 and the reciprocating groove 600 have the same structure. The structure of the upper balance body 500 is the same as that of the limiting body 300, so that the force of the transmission shaft 100 exerted by the balance body 500 and the force of the limiting body 300 can be further ensured to be consistent, and the possibility of vibration of the transmission shaft 100 is further reduced. In other embodiments, the structures of the balance body 500 and the limiting body 300 may not be the same, as long as the balance of the transmission shaft 100 is ensured.
For example, the balance body 500 includes the balance ball 510, and the balance ball 510 is rollably disposed in the balance groove 700 and is movable in the balance groove 700. Utilize balance groove 700 to realize the spacing guide effect to balance ball 510, guarantee that balance ball 510 can be along balance groove 700's orbit steady removal.
Specifically, the balance body 500 is positioned on the balance sleeve 400, a second positioning groove is formed on the inner wall of the balance sleeve 400, and the balance body 500 is disposed in the second positioning groove. In another embodiment, if the balancing body 500 is positioned on the transmission shaft 100, the second positioning slot is opened on the transmission shaft 100. Further, a portion of the balance ball 510 is rollably disposed in the second positioning groove, and another portion thereof is disposed through the balance groove 700.
In one embodiment, the balance body 500 further includes a balance seat 520 and a plurality of rolling bodies 530, the plurality of rolling bodies 530 are disposed in the balance seat 520, the balance ball 510 is partially disposed in the balance seat 520 and abuts against the rolling bodies 530, and both the balance ball 510 and the rolling bodies 530 can roll relative to the balance seat 520.
In an embodiment, the inner wall of the reciprocating groove 600 is provided with a first oil guiding groove 610, and a track of the first oil guiding groove 610 is consistent with a track of the reciprocating groove 600. During the use, can set up lubricating oil in first oil guide groove 610, can further guarantee the smooth degree that the universal ball 310 of spacing body 300 rolled in reciprocating groove 600 through lubricating oil, further guarantee the stability of the reciprocal mobile of drive cover 200.
In an embodiment, the inner wall of the balance groove 700 is provided with a second oil guide groove 710, and a track of the second oil guide groove 710 is consistent with a track of the balance groove 700. During the use, can set up lubricating oil in second oil guide groove 710, can further guarantee the smooth degree that the balance ball 510 of balancing body 500 rolled in balancing tank 700 through lubricating oil, further guarantee the stability of drive balance sleeve 400 reciprocating motion.
In one embodiment, the reciprocating transmission mechanism 10 further includes a housing 800, and the transmission shaft 100, the reciprocating sleeve 200 and the balance sleeve 400 are disposed in the housing 800. The stability of the transmission among the transmission shaft 100, the reciprocating sleeve 200 and the balance sleeve 400 is conveniently ensured by arranging the housing 800. Specifically, the housing 800 may be filled with a lubricating oil so that the lubricating oil can be effectively introduced into the first oil guide groove 610 and the second oil guide groove 710.
In one embodiment, the reciprocating transmission mechanism 10 further includes a power source and an output shaft 900, the power source is connected to one end of the transmission shaft 100 close to the balance sleeve 400, the output shaft 900 is connected to one end of the reciprocating sleeve 200 opposite to the balance sleeve 400, and the power source is used for driving the transmission shaft 100 to rotate. The power source is convenient for providing power for the rotation of the transmission shaft 100; the reciprocating movement of the reciprocating sleeve 200 is output conveniently through the output shaft 900. Specifically, the housing 800 is provided with an output hole 810 and an input hole 820, the power source is connected to the transmission shaft 100 through the input hole 820, and the output shaft 900 penetrates through the output hole 810 and is connected to the reciprocating sleeve 200.
In one embodiment, the mass of the balance sleeve 400 is greater than or equal to the mass of the reciprocating sleeve 200. Such that the force generated by the balance sleeve 400 on the drive shaft 100 is greater than or equal to the force generated by the reciprocating sleeve 200 on the drive shaft 100. For example, in the present embodiment, the mass of the balance sleeve 400 may be consistent with the mass of the reciprocating sleeve 200 and the output shaft 900 together, so as to balance the axial force generated by the reciprocating sleeve 200 and the output shaft 900 to the transmission shaft 100 during the reciprocating movement through the balance sleeve 400. In another embodiment, the mass of the balance sleeve 400 may also be consistent with the mass of the reciprocating sleeve 200.
Referring to fig. 2 and 5, in an embodiment, the reciprocating transmission mechanism 10 further includes a guiding element 830, the outer wall of the reciprocating sleeve 200 is provided with a first matching structure 210, the outer wall of the balance sleeve 400 is provided with a second matching structure 410, the guiding element 830 is in guiding fit with the first matching structure 210 and the second matching structure 410, and the guiding directions of the guiding element 830 and the first matching structure 210 and the second matching structure 410 are the axial direction of the transmission shaft 100. The first fitting structure 210 is fitted to the guide 830 to ensure the stability of the reciprocating direction of the reciprocating sleeve 200, and the second fitting structure 410 is fitted to the guide 830 to ensure the stability of the reciprocating direction of the balance sleeve 400.
Specifically, the guide member 830 is a rod-shaped structure, the length direction of the rod-shaped guide member 830 is the axial direction of the transmission shaft 100, the first matching structure 210 is provided with a first guide hole 212, the second matching structure 410 is provided with a second guide hole 412, and one end of the guide member 830 sequentially passes through the first guide hole 212 and the second guide hole 412, so as to ensure that the balance sleeve 400 and the reciprocating sleeve 200 can effectively move along the axial direction of the transmission shaft 100.
In the present embodiment, the number of the guide members 830 is at least two, and the respective guide members 830 are uniformly arranged around the axis of the propeller shaft 100. The number of the first matching structures 210 is the same as that of the second matching structures 410, and each guiding element 830 can be guided and matched with a first matching structure 210 and a second matching structure 410 at the same time.
In one embodiment, the power plant includes the reciprocating drive mechanism 10 of any of the embodiments described above. For example, the power plant may be a compressor, and the piston of the compressor may be connected to the reciprocating sleeve 200. Or the power device may be a plunger pump with a plunger connected to the reciprocating sleeve 200. Or the power device may be an electric hammer, the cylinder of which is connected to the reciprocating sleeve 200. In other embodiments, the power plant may also be other components that require reciprocating power.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Claims (10)
1. A reciprocating drive mechanism, comprising:
the transmission shaft can rotate around the axis of the transmission shaft;
the reciprocating sleeve is sleeved on the transmission shaft;
the limiting body is positioned on one of the outer wall of the transmission shaft and the inner wall of the reciprocating sleeve, a reciprocating guide rail is arranged on the other one of the outer wall of the transmission shaft and the inner wall of the reciprocating sleeve, the track of the reciprocating guide rail is a closed curve around the axis of the transmission shaft, and the limiting body is in guide fit with the reciprocating guide rail and can move along the track of the reciprocating guide rail;
the balance sleeve is sleeved on the transmission shaft and is positioned on one side of the reciprocating sleeve; and
the balance body is positioned on one of the outer wall of the transmission shaft and the inner wall of the balance sleeve, a balance guide rail is arranged on the other of the outer wall of the transmission shaft and the inner wall of the balance sleeve at an interval with the reciprocating guide rail, the track of the balance guide rail is a closed curve around the axis of the transmission shaft, the balance body is in guide fit with the balance guide rail and can move along the track of the balance guide rail, and in the rotating process of the transmission shaft, the balance sleeve and the reciprocating sleeve can move oppositely or oppositely along the axis direction of the transmission shaft.
2. The reciprocating drive mechanism of claim 1, wherein the trajectory of the reciprocating guide rail about the axis of the drive shaft is sinusoidal and the trajectory of the balance guide rail about the axis of the drive shaft is sinusoidal; the wave crest of the balance guide rail is opposite to the wave trough of the reciprocating guide rail, the wave trough of the balance guide rail is opposite to the wave crest of the reciprocating guide rail, and the limiting body and the balance body are arranged at intervals.
3. The reciprocating drive mechanism of claim 2, wherein the reciprocating guide rail comprises at least two complete and continuous sinusoidal cycles along a trajectory around the axis of the drive shaft, the number of the limiting bodies provided on the reciprocating guide rail is less than or equal to the number of sinusoidal cycles of the reciprocating guide rail, and the limiting bodies on the reciprocating guide rail are evenly spaced around the axis of the drive shaft; the balance guide rail is consistent with the reciprocating guide rail in structure, the balance bodies are consistent with the limiting bodies in number, and one limiting body is arranged opposite to one balance body along the axis direction of the transmission shaft.
4. The reciprocating drive mechanism of claim 1, wherein the reciprocating guide is a reciprocating groove that is a closed curvilinear groove about the drive shaft axis, and the spacing body comprises a universal ball rollably disposed within the reciprocating groove and movable within the reciprocating groove.
5. The reciprocating drive mechanism of claim 4, wherein the balance body is structurally identical to the limiting body, the balance guide rail is a balance groove, and the balance groove is structurally identical to the reciprocating groove.
6. The reciprocating transmission mechanism as recited in claim 5, wherein a first oil guiding groove is formed on the inner wall of the reciprocating groove, and the track of the first oil guiding groove is consistent with the track of the reciprocating groove; and a second oil guide groove is formed in the inner wall of the balance groove, and the track of the second oil guide groove is consistent with that of the balance groove.
7. A reciprocating drive mechanism as claimed in any of claims 1 to 6, wherein the mass of the balance sleeve is greater than or equal to the mass of the reciprocating sleeve.
8. The reciprocating transmission mechanism according to any one of claims 1 to 6, further comprising a power source and an output shaft, wherein the power source is connected to one end of the transmission shaft close to the balance sleeve, the output shaft is connected to one end of the reciprocating sleeve opposite to the balance sleeve, and the power source is used for driving the transmission shaft to rotate.
9. The reciprocating transmission mechanism according to any one of claims 1 to 6, further comprising a guide member, wherein a first matching structure is arranged on the outer wall of the reciprocating sleeve, a second matching structure is arranged on the outer wall of the balance sleeve, the guide member is simultaneously in guiding fit with the first matching structure and the second matching structure, and the guide direction of the guide member, the first matching structure and the second matching structure is the axial direction of the transmission shaft; and/or
The transmission shaft, the reciprocating sleeve and the balance sleeve are all arranged in the shell.
10. A power plant, characterized in that it comprises a reciprocating drive mechanism according to any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221725409.6U CN217814829U (en) | 2022-07-06 | 2022-07-06 | Reciprocating transmission mechanism and power equipment |
| PCT/CN2023/106059 WO2024008146A1 (en) | 2022-07-06 | 2023-07-06 | Reciprocating transmission mechanism and power apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221725409.6U CN217814829U (en) | 2022-07-06 | 2022-07-06 | Reciprocating transmission mechanism and power equipment |
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| Publication Number | Publication Date |
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| CN217814829U true CN217814829U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221725409.6U Active CN217814829U (en) | 2022-07-06 | 2022-07-06 | Reciprocating transmission mechanism and power equipment |
Country Status (2)
| Country | Link |
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| CN (1) | CN217814829U (en) |
| WO (1) | WO2024008146A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008146A1 (en) * | 2022-07-06 | 2024-01-11 | 浙江千机智能科技有限公司 | Reciprocating transmission mechanism and power apparatus |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2213549A (en) * | 1987-12-10 | 1989-08-16 | Kevin Wilcox | Improvements in or relating to mechanisms for translating reciprocating motion into rotary motion and vice versa |
| CN2249333Y (en) * | 1995-03-29 | 1997-03-12 | 王关林 | Sleeve piston driving device |
| DE102004047444B4 (en) * | 2004-09-28 | 2010-05-20 | Mkb Motorenbau Gmbh | differential |
| CN100429431C (en) * | 2004-11-24 | 2008-10-29 | 赵荃 | Power transmission mechanism with linear and rotation movement conversion |
| CN2895759Y (en) * | 2005-12-28 | 2007-05-02 | 吉林大学 | Even-cylinder engine whose reciprocation inertial-force is fully balanced outwards |
| CN205477925U (en) * | 2016-03-17 | 2016-08-17 | 李立平 | Internal -combustion engine reciprocating piston actuating mechanism |
| CN110242415A (en) * | 2019-07-19 | 2019-09-17 | 西北农林科技大学 | A kind of double cylinder IC engine based on three period song ditch ball bearings |
| CN110185539B (en) * | 2019-07-01 | 2024-03-01 | 西北农林科技大学 | Double-cylinder internal combustion engine |
| CN215059263U (en) * | 2021-04-30 | 2021-12-07 | 永康市光逸科技有限公司 | Transmission mechanism |
| CN217814829U (en) * | 2022-07-06 | 2022-11-15 | 浙江千机智能科技有限公司 | Reciprocating transmission mechanism and power equipment |
-
2022
- 2022-07-06 CN CN202221725409.6U patent/CN217814829U/en active Active
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2023
- 2023-07-06 WO PCT/CN2023/106059 patent/WO2024008146A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008146A1 (en) * | 2022-07-06 | 2024-01-11 | 浙江千机智能科技有限公司 | Reciprocating transmission mechanism and power apparatus |
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| WO2024008146A1 (en) | 2024-01-11 |
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