CN217814821U - Reciprocating transmission mechanism and power equipment - Google Patents
Reciprocating transmission mechanism and power equipment Download PDFInfo
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- CN217814821U CN217814821U CN202221724443.1U CN202221724443U CN217814821U CN 217814821 U CN217814821 U CN 217814821U CN 202221724443 U CN202221724443 U CN 202221724443U CN 217814821 U CN217814821 U CN 217814821U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 157
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000009347 mechanical transmission 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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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to a reciprocating transmission mechanism and power equipment, reciprocating transmission mechanism include transmission shaft, reciprocal cover and spacing body. When the transmission shaft rotates around the axis of the transmission shaft, the limiting body is positioned on the outer wall of the transmission shaft, and the transmission shaft penetrates through the reciprocating sleeve, so that the limiting body penetrates through the reciprocating groove. And because the reciprocating groove is a closed curve groove around the axis of the transmission shaft, the wave crest and the wave trough of the reciprocating groove are arranged at intervals along the axis of the transmission shaft, and then when the limiting body rotates along with the transmission shaft, the limiting body slides between the wave crest and the wave trough of the reciprocating groove, and the purpose of driving the reciprocating sleeve to reciprocate along the axis direction of the transmission shaft is achieved. The reciprocating transmission mechanism has no deflection angle, and the problem of deflection force friction acting is solved; and the structure is simple, the application range is wide, and the reciprocating pump can be used in the occasions needing reciprocating movement, such as compressors, pump body structures and the like.
Description
Technical Field
The utility model relates to a drive mechanism technical field especially relates to reciprocal drive mechanism and power equipment.
Background
In the field of mechanical transmission, the traditional reciprocating structures such as a crank slide block mechanism, a crank swing arm mechanism and the like all have a deflection angle, so that the deflection force friction does work, and the stability and the efficiency of the reciprocating transmission are influenced. For a traditional linear motor or servo motor lead screw reciprocating mechanism, although linear reciprocating output can be realized, the structure control is complex, the cost is high, and the applicability is poor.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a reciprocating transmission mechanism and a power plant capable of avoiding the generation of the friction of the biasing force and reducing the complexity of the structure.
A reciprocating transmission mechanism comprises a transmission shaft, a reciprocating sleeve and a limiting body, wherein the transmission shaft can rotate around the axis of the transmission shaft; the inner wall of the reciprocating sleeve is provided with a reciprocating groove, the reciprocating groove is a closed curve groove which surrounds the axis of the reciprocating sleeve, and the wave crests and the wave troughs of the reciprocating groove are arranged at intervals along the axis of the transmission shaft; the limiting body is positioned on the outer wall of the transmission shaft, and the transmission shaft is arranged in the reciprocating sleeve in a penetrating mode so that the limiting body is arranged in the reciprocating groove in a penetrating mode; the limiting body can move in the reciprocating groove, so that the reciprocating sleeve can move in a reciprocating mode relative to the transmission shaft along the axis of the transmission shaft.
In one embodiment, the number of the reciprocating grooves is at least two, each reciprocating groove is arranged at intervals along the axial direction of the reciprocating sleeve, at least one limiting body is arranged in each reciprocating groove, and the limiting bodies in different reciprocating grooves can move in the same direction relative to the reciprocating sleeve; or alternatively
The number of the reciprocating grooves is at least two, part of the reciprocating grooves are arranged on the inner wall of the reciprocating sleeve at intervals along the axis direction of the reciprocating sleeve, the other part of the reciprocating grooves are arranged on the outer wall of the transmission shaft at intervals along the axis of the transmission shaft, each reciprocating groove is arranged at intervals along the axis of the transmission shaft, a moving body is arranged on the transmission shaft and is arranged in the reciprocating groove, the moving body is limited on the reciprocating sleeve, the moving body can move in the reciprocating groove on the outer wall of the transmission shaft, and the moving direction of the moving body relative to the transmission shaft is consistent with the moving direction of the limiting body relative to the reciprocating sleeve.
In one embodiment, the reciprocating grooves are sinusoidal along the circumferential track of the drive shaft.
In one embodiment, the track of the single reciprocating groove along the circumferential direction of the transmission shaft comprises at least two complete and continuous sinusoidal cycles, the number of the limiting bodies penetrating the single reciprocating groove is smaller than or equal to the number of the sinusoidal cycles of the reciprocating groove, and the limiting bodies in the single reciprocating groove are uniformly arranged around the axis of the transmission shaft at intervals.
In one embodiment, the outer wall of the transmission shaft is provided with a positioning groove, the limiting body comprises a universal ball, one part of the universal ball is arranged in the positioning groove in a rolling manner, and the other part of the universal ball protrudes out of the outer wall of the transmission shaft and penetrates through the reciprocating groove.
In one embodiment, the position-limiting body further includes a position-limiting seat and a plurality of balls, the plurality of balls are disposed in the position-limiting seat, the ball-and-socket portion is disposed in the position-limiting seat and abuts against the balls, the ball-and-socket and the balls can roll relative to the position-limiting seat, and the position-limiting seat is disposed in the positioning groove.
In one embodiment, the transmission shaft comprises a power shaft and a transmission sleeve, the transmission sleeve is sleeved on the power shaft and limited on the power shaft, and the positioning groove is formed in the outer wall of the transmission sleeve; and/or
The diameter of the inner wall of the reciprocating sleeve is consistent with that of the outer wall of the transmission shaft.
In one embodiment, the reciprocating transmission mechanism further includes a housing and a guide, the reciprocating sleeve and the transmission shaft are both disposed in the housing, the guide is disposed in the housing, a fitting structure is formed on an outer wall of the reciprocating sleeve, the fitting structure is in guide fit with the guide, and a guide direction of the fitting structure relative to the guide is an axial direction of the transmission shaft.
In one embodiment, the reciprocating transmission mechanism further comprises a power source and an output shaft, the power source is connected to one end of the transmission shaft, the power source is used for driving the transmission shaft to rotate around the axis of the transmission shaft, and the output shaft is connected to one side, opposite to the power source, of the reciprocating sleeve; or
In one embodiment, the reciprocating transmission mechanism further comprises a power source and two output shafts, the two output shafts are respectively connected to two opposite sides of the reciprocating sleeve, one of the output shafts is provided with a power hole, and the power source is connected to the transmission shaft through the power hole.
Above-mentioned reciprocating transmission mechanism, when the transmission shaft rotated around self axis, because the spacing body was fixed a position on the outer wall of transmission shaft, the transmission shaft wore to locate in reciprocating sleeve to make the spacing body wore to locate in reciprocating the inslot. And because the reciprocating groove is a closed curve groove around the axis of the transmission shaft, the wave crest and the wave trough of the reciprocating groove are arranged at intervals along the axis of the transmission shaft, and then when the limiting body rotates along with the transmission shaft, the limiting body slides between the wave crest and the wave trough of the reciprocating groove, and the purpose of driving the reciprocating sleeve to reciprocate along the axis direction of the transmission shaft is achieved. The reciprocating transmission mechanism has no deflection angle, and the problem of deflection force friction acting is solved; and the structure is simple, the application range is wide, and the reciprocating pump can be used in the occasions needing reciprocating movement, such as compressors, pump body structures and the like.
A power plant comprising a reciprocating drive mechanism as described above.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Furthermore, the drawings are not to scale of 1. In the drawings:
FIG. 1 is a schematic diagram of a reciprocating drive mechanism in one embodiment;
FIG. 2 is an exploded view of the reciprocating drive mechanism of FIG. 1;
FIG. 3 is a schematic view of the reciprocating sleeve of FIG. 2 from another perspective;
FIG. 4 is a cross-sectional view of the reciprocating drive mechanism shown in FIG. 1 at one 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; 110. positioning a groove; 120. a power shaft; 130. a driving sleeve; 200. a reciprocating sleeve; 210. a reciprocating groove; 220. a mating structure; 300. a limiting body; 400. a housing; 410. a housing body; 420. a cover body; 430. an input aperture; 440. an output aperture; 500. a guide member; 600. 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 10 according to an embodiment of the present invention can at least eliminate the yaw angle and eliminate the deviation force to do work by friction, and the reciprocating transmission mechanism 10 has a simple structure and good applicability. Specifically, the reciprocating transmission mechanism 10 includes a transmission shaft 100, a reciprocating sleeve 200 and a limiting body 300, wherein the transmission shaft 100 can rotate around its own axis; the inner wall of the reciprocating sleeve 200 is provided with a reciprocating groove 210, the reciprocating groove 210 is a closed curve groove around the axis of the reciprocating sleeve 200, and the wave crest and the wave trough of the reciprocating groove 210 are arranged at intervals along the axis of the transmission shaft 100; the limiting body 300 is positioned on the outer wall of the transmission shaft 100, and the transmission shaft 100 is arranged in the reciprocating sleeve 200 in a penetrating way, so that the limiting body 300 is arranged in the reciprocating groove 210 in a penetrating way. Wherein, the stopper body 300 can move in the reciprocating groove 210 so that the reciprocating sleeve 200 can move reciprocally along the axis of the drive shaft 100 with respect to the drive shaft 100. In the present embodiment, the axis of the drive shaft 100 coincides with the axis of the reciprocating sleeve 200.
Referring to fig. 4, when the transmission shaft 100 rotates around its axis, since the position-limiting body 300 is positioned on the outer wall of the transmission shaft 100, the transmission shaft 100 is inserted into the reciprocating sleeve 200, so that the position-limiting body 300 is inserted into the reciprocating groove 210. And because the reciprocating groove 210 is a closed curve groove around the axis of the transmission shaft 100, the wave crests and the wave troughs of the reciprocating groove 210 are arranged at intervals along the axis of the transmission shaft 100, and further when the limiting body 300 rotates along with the transmission shaft 100, the limiting body 300 moves between the wave crests and the wave troughs of the reciprocating groove 210, and the purpose of driving the reciprocating sleeve 200 to reciprocate along the axis direction of the transmission shaft 100 is achieved. The reciprocating transmission mechanism 10 has no deflection angle, and the problem of deflection force friction acting is avoided; and the structure is simple, the application range is wide, and the reciprocating pump can be used in the occasions needing reciprocating movement, such as compressors, pump body structures and the like.
In one embodiment, the number of the reciprocating slots 210 is at least two, each reciprocating slot 210 is spaced along the axial direction of the reciprocating sleeve 200, at least one position-limiting body 300 is disposed in each reciprocating slot 210, and the position-limiting bodies 300 in different reciprocating slots 210 can move in the same direction relative to the reciprocating sleeve 200. Through setting up a plurality of reciprocating grooves 210, and all be provided with at least one spacing body 300 cooperation transmission in each reciprocating groove 210, can improve the power of transmission shaft 100 output power to reciprocating sleeve 200, can be applicable to under the high-power operating condition.
In another embodiment, the number of the reciprocating grooves 210 is at least two, a part of the reciprocating grooves 210 are arranged on the inner wall of the reciprocating sleeve 200 at intervals along the axial direction of the reciprocating sleeve 200, the other part of the reciprocating grooves 210 are arranged on the outer wall of the transmission shaft 100 at intervals along the axial direction of the transmission shaft 100, each reciprocating groove 210 is arranged at intervals along the axial direction of the transmission shaft 100, a moving body is arranged in the reciprocating groove 210 arranged on the transmission shaft 100, the moving body is limited on the reciprocating sleeve 200, and the moving body can move in the reciprocating groove 210 on the outer wall of the transmission shaft 100. Wherein the moving direction of the moving body with respect to the driving shaft 100 coincides with the moving direction of the stopper body 300 with respect to the reciprocating sleeve 200.
Referring to fig. 2 to 4, in one embodiment, the reciprocating groove 210 has a sinusoidal trajectory along the circumferential direction of the drive shaft 100. When the transmission shaft 100 drives the limiting body 300 to move in the reciprocating groove 210, the reciprocating groove 210 arranged in a sinusoidal track is used to ensure that the limiting body 300 can move smoothly in the reciprocating groove 210 and the reciprocating sleeve 200 can move smoothly in a reciprocating manner.
In this embodiment, the track of the single reciprocating groove 210 along the circumferential direction of the transmission shaft 100 includes at least two complete and continuous sinusoidal cycles, the number of the limiting bodies 300 penetrating through the single reciprocating groove 210 is less than or equal to the number of the sinusoidal cycles of the reciprocating groove 210, and the limiting bodies 300 in the single reciprocating groove 210 are uniformly spaced around the axis of the transmission shaft 100. For example, in the present embodiment, the track of the reciprocating groove 210 includes two sinusoidal curves, the number of the position-limiting bodies 300 is also two, the two position-limiting bodies 300 can be simultaneously disposed at the trough positions of the two sinusoidal curves of the reciprocating groove 210 or at the peak positions of the two sinusoidal curves, and the two position-limiting bodies 300 at this time are uniformly disposed around the axis of the transmission shaft 100, so as to ensure that the two position-limiting bodies 300 can move in the same direction. The driving stability can be further improved by the cooperation of the evenly arranged stopper 300 and the sinusoidal reciprocating groove 210.
In other embodiments, the track of the single reciprocating groove 210 along the circumferential direction of the transmission shaft 100 may include three or other number of complete and continuous sinusoidal cycles, the number of the corresponding limiting bodies 300 may be three or other number, and one limiting body 300 is correspondingly disposed on each sinusoidal cycle, so as to ensure that the limiting bodies 300 can move synchronously relative to the reciprocating sleeve 200.
Referring to fig. 2, 4 and 5, in an embodiment, the outer wall of the transmission shaft 100 is provided with a positioning groove 110, the limiting body 300 includes a universal ball, a portion of the universal ball is rollably disposed in the positioning groove 110, and another portion of the universal ball protrudes out of the outer wall of the transmission shaft 100 and is disposed in the reciprocating groove 210 in a penetrating manner. Since the universal balls 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 balls, but not the sliding friction of the reciprocating sleeve 200 relative to the transmission shaft 100, so that the transmission efficiency is further ensured. And the position of the universal ball on the transmission shaft 100 can be effectively positioned by arranging the positioning groove 110.
In this embodiment, the diameter of the inner wall of the reciprocating sleeve 200 coincides with the diameter of the outer wall of the drive shaft 100. For example, the reciprocating sleeve 200 and the drive shaft 100 may have an interference fit to avoid direct contact friction between the inner wall of the reciprocating sleeve 200 and the drive shaft 100. In other embodiments, the diameter of the inner wall of the reciprocating sleeve 200 is slightly larger than the diameter of the outer wall of the drive shaft 100 to ensure a small clearance between the inner wall of the reciprocating sleeve 200 and the outer wall of the drive shaft 100.
In one embodiment, the transmission shaft 100 includes a power shaft 120 and a transmission sleeve 130, the transmission sleeve 130 is sleeved on the power shaft 120 and is limited on the power shaft 120, and the positioning groove 110 is formed on an outer wall of the transmission sleeve 130. The positioning groove 110 is formed conveniently through the transmission sleeve 130, the structural integrity of the power shaft 120 is guaranteed, and the reliability of power output is further guaranteed. In other embodiments, the positioning groove 110 may be directly opened on the power shaft 120, and the transmission sleeve 130 may be omitted.
In one embodiment, the position-limiting body 300 further includes a position-limiting seat and a plurality of balls disposed in the position-limiting seat, the ball-and-socket portion is disposed in the position-limiting seat and abuts against the balls, both the ball-and-socket can roll relative to the position-limiting seat, and the position-limiting seat is disposed in the positioning groove 110. When the universal ball is rolling, utilize a plurality of balls to realize the rolling friction between universal ball and the spacing seat, further guarantee the rolling stability of universal ball.
In other embodiments, the position-limiting seat may be omitted, a plurality of balls are directly disposed in the positioning groove 110, and the universal ball is disposed in the positioning groove 110 and abuts against the balls.
Referring to fig. 1, fig. 2 and fig. 5, in an embodiment, the reciprocating transmission mechanism 10 further includes a housing 400, and the reciprocating sleeve 200 and the transmission shaft 100 are disposed in the housing 400. The reciprocating sleeve 200 and the transmission shaft 100 can be effectively protected by the housing 400, and the stability of transmission between the reciprocating sleeve 200 and the transmission shaft 100 is ensured.
Specifically, the housing 400 includes a housing 410 and a cover 420, wherein one side of the housing 410 is open, the reciprocating sleeve 200 and the transmission shaft 100 are disposed in the housing 410 from the open side of the housing 410, and the cover 420 covers the housing 410.
In one embodiment, the reciprocating transmission mechanism 10 further includes a guiding element 500, the guiding element 500 is disposed in the housing 400, a matching structure 220 is formed on an outer wall of the reciprocating sleeve 200, the matching structure 220 is in guiding fit with the guiding element 500, and a guiding direction of the matching structure 220 relative to the guiding element 500 is an axial direction of the transmission shaft 100. Specifically, one end of the guide 500 is connected to the cover 420. By the cooperation between the fitting structure 220 and the guide 500, it is possible to not only restrict the reciprocating bush 200 from rotating with respect to the drive shaft 100, but also ensure stable reciprocating movement of the reciprocating bush 200 along the guide direction.
In this embodiment, the guide 500 is a rod-shaped structure. The matching structure 220 is a matching sleeve, the matching sleeve is arranged on the outer wall of the reciprocating sleeve 200, the guide piece 500 is arranged in the matching sleeve in a penetrating manner, and the matching sleeve can move along the guide direction of the guide piece 500 synchronously with the reciprocating sleeve 200.
In another embodiment, the matching structure 220 may also be a matching groove opened on the outer wall of the reciprocating sleeve 200, and the guiding element 500 is inserted into the matching groove and can move along the guiding direction in the matching groove.
In one embodiment, the number of the guiding members 500 is at least two, the number of the matching structures 220 is the same as that of the guiding members 500, and each guiding member 500 is matched with one matching structure 220 in a guiding way. And each of the mating structures 220 is spaced circumferentially along the reciprocating sleeve 200. The stability of the guiding is further improved by arranging at least two guiding pieces 500 to be in guiding fit with the matching structure 220. Further, the matching structures 220 are uniformly arranged along the circumferential direction of the reciprocating sleeve 200, so that the stress uniformity of the reciprocating sleeve 200 is further improved, and the stability of the reciprocating sleeve 200 in outputting reciprocating movement is further ensured.
Referring to fig. 4 and 5, in an embodiment, the reciprocating transmission mechanism 10 further includes a power source connected to one end of the transmission shaft 100, the power source being configured to drive the transmission shaft 100 to rotate around its axis, and an output shaft 600 connected to a side of the reciprocating sleeve 200 opposite to the power source. The rotation of the transmission shaft 100 is realized by providing a power source to facilitate the output of the rotation to the transmission shaft 100. And the reciprocating movement of the reciprocating sleeve 200 is conveniently output to other components through the output shaft 600 by the output shaft 600.
Specifically, one side wall of the housing 400 is provided with an input hole 430, the other opposite side wall is provided with an output hole 440, the power source is connected to one end of the transmission shaft 100 through the input hole 430, and the output shaft 600 is inserted into the output hole 440.
In one embodiment, the power source may also be coupled to the drive shaft 100 via a transmission. For example, the power source may be coupled to the drive shaft 100 via a gear train. In another embodiment, the power source may also be directly connected to the drive shaft 100.
In an embodiment, the reciprocating transmission mechanism 10 may further include two output shafts 600, the two output shafts 600 are respectively connected to two opposite sides of the reciprocating sleeve 200, one of the output shafts 600 has a power hole, and the power source is connected to the transmission shaft 100 through the power hole. Two output shafts 600 are arranged, so that the bidirectional output of the reciprocating sleeve 200 is realized, and the transmission efficiency is further improved.
In the reciprocating transmission mechanism 10, when the power source drives the transmission shaft 100 to rotate, the reciprocating sleeve 200 reciprocates along the axis of the transmission shaft 100, rolling friction between the reciprocating sleeve 200 and the transmission shaft 100 is realized by using the universal balls, and the reciprocating sleeve 200 is subjected to uniform reciprocating thrust and cannot be influenced by deviation force by using at least two uniformly arranged universal balls. The reciprocating process of the reciprocating sleeve 200 only has the moving track and the thrust along the axial direction of the transmission shaft 100, so that the purpose of bidirectional work can be realized, and the transmission efficiency is improved.
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 several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the 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 implicitly indicating 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 interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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 "under," "beneath," and "under" a second feature may be directly under or obliquely under the second 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 inner wall of the reciprocating sleeve is provided with a reciprocating groove, the reciprocating groove is a closed curve groove which surrounds the axis of the reciprocating sleeve, and the wave crests and the wave troughs of the reciprocating groove are arranged at intervals along the axis of the transmission shaft; and
the limiting body is positioned on the outer wall of the transmission shaft, and the transmission shaft penetrates through the reciprocating sleeve so that the limiting body penetrates through the reciprocating groove; the limiting body can move in the reciprocating groove, so that the reciprocating sleeve can move in a reciprocating mode relative to the transmission shaft along the axis of the transmission shaft.
2. The reciprocating transmission mechanism according to claim 1, wherein the number of the reciprocating grooves is at least two, each of the reciprocating grooves is arranged at intervals along the axial direction of the reciprocating sleeve, at least one of the limiting bodies is arranged in each of the reciprocating grooves, and the limiting bodies in different reciprocating grooves can move in the same direction relative to the reciprocating sleeve; or
The number of the reciprocating grooves is at least two, part of the reciprocating grooves are arranged on the inner wall of the reciprocating sleeve at intervals along the axis direction of the reciprocating sleeve, the other part of the reciprocating grooves are arranged on the outer wall of the transmission shaft at intervals along the axis of the transmission shaft, each reciprocating groove is arranged at intervals along the axis of the transmission shaft, a moving body is arranged in the reciprocating groove on the transmission shaft and is limited on the reciprocating sleeve, the moving body can move in the reciprocating groove on the outer wall of the transmission shaft, and the moving direction of the moving body relative to the transmission shaft is consistent with the moving direction of the limiting body relative to the reciprocating sleeve.
3. The reciprocating drive mechanism of claim 1, wherein the reciprocating grooves trace sinusoidally along the circumference of the drive shaft.
4. The reciprocating transmission mechanism according to claim 3, wherein the track of the single reciprocating groove along the circumferential direction of the transmission shaft comprises at least two complete and continuous sinusoidal cycles, the number of the limiting bodies penetrating the single reciprocating groove is smaller than or equal to the number of the sinusoidal cycles of the reciprocating groove, and the limiting bodies in the single reciprocating groove are uniformly spaced around the axis of the transmission shaft.
5. The reciprocating transmission mechanism according to claim 1, wherein a positioning groove is formed on an outer wall of the transmission shaft, the limiting body comprises a universal ball, a part of the universal ball is rollably disposed in the positioning groove, and another part of the universal ball protrudes out of the outer wall of the transmission shaft and is disposed in the reciprocating groove in a penetrating manner.
6. The reciprocating transmission mechanism according to claim 5, wherein the position-limiting body further comprises a position-limiting seat and a plurality of balls, the plurality of balls are disposed in the position-limiting seat, the ball-transfer portion is disposed in the position-limiting seat and abuts against the balls, the ball-transfer portion and the balls can roll relative to the position-limiting seat, and the position-limiting seat is disposed in the positioning groove.
7. The reciprocating transmission mechanism according to claim 6, wherein the transmission shaft includes a power shaft and a transmission sleeve, the transmission sleeve is sleeved on the power shaft and limited on the power shaft, and the positioning groove is formed on an outer wall of the transmission sleeve; and/or
The diameter of the inner wall of the reciprocating sleeve is consistent with the diameter of the outer wall of the transmission shaft.
8. The reciprocating transmission mechanism according to any one of claims 1 to 7, further comprising a housing and a guide, wherein the reciprocating sleeve and the transmission shaft are disposed in the housing, the guide is disposed in the housing, a mating structure is formed on an outer wall of the reciprocating sleeve, the mating structure is in guiding fit with the guide, and a guiding direction of the mating structure relative to the guide is an axial direction of the transmission shaft.
9. The reciprocating transmission mechanism according to any one of claims 1-7, further comprising a power source and an output shaft, wherein the power source is connected to one end of the transmission shaft, the power source is used for driving the transmission shaft to rotate around its own axis, and the output shaft is connected to one side of the reciprocating sleeve, which faces away from the power source; or
The reciprocating sleeve is characterized by further comprising a power source and two output shafts, wherein the two output shafts are respectively connected to the two opposite sides of the reciprocating sleeve, a power hole is formed in one of the output shafts, and the power source is connected to the transmission shaft through the power hole.
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 |
|---|---|---|---|
| CN202221724443.1U CN217814821U (en) | 2022-07-06 | 2022-07-06 | Reciprocating transmission mechanism and power equipment |
| PCT/CN2023/106075 WO2024008149A1 (en) | 2022-07-06 | 2023-07-06 | Reciprocating transmission mechanism and power apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221724443.1U CN217814821U (en) | 2022-07-06 | 2022-07-06 | Reciprocating transmission mechanism and power equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217814821U true CN217814821U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221724443.1U Active CN217814821U (en) | 2022-07-06 | 2022-07-06 | Reciprocating transmission mechanism and power equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217814821U (en) |
| WO (1) | WO2024008149A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008149A1 (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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2249333Y (en) * | 1995-03-29 | 1997-03-12 | 王关林 | Sleeve piston driving device |
| CN1254800A (en) * | 1998-11-21 | 2000-05-31 | 张寿龄 | Plunger-type reciprocating rotary mechanism |
| WO2000031440A1 (en) * | 1998-11-21 | 2000-06-02 | Shouling Zhang | A rotary and reciprocating piston mechanism |
| TWM537946U (en) * | 2016-06-20 | 2017-03-11 | Lu Can-Yang | Reciprocal tool structure |
| CN209059338U (en) * | 2018-01-31 | 2019-07-05 | 重庆西山科技股份有限公司 | Spiral circular groove type reciprocating transmission mechanism and reciprocating saw |
| 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 |
| CN211050167U (en) * | 2019-08-01 | 2020-07-21 | 深圳市倍轻松科技股份有限公司 | Coaxial reciprocating movement and fascia gun |
| CN215059263U (en) * | 2021-04-30 | 2021-12-07 | 永康市光逸科技有限公司 | Transmission mechanism |
| CN113719439A (en) * | 2021-08-24 | 2021-11-30 | 浙江千机智能科技有限公司 | Transmission structure, transmission connection mechanism and air compressor |
| CN217814821U (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 |
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2022
- 2022-07-06 CN CN202221724443.1U patent/CN217814821U/en active Active
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008149A1 (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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| WO2024008149A1 (en) | 2024-01-11 |
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