TWI546222B - Linear gearing mechanism - Google Patents

Description

Linear shifting mechanism

The invention provides a linear gear shifting mechanism, in particular to a mechanism which can be simple and small in size, has a large linear shifting section, has low transmission loss, and does not cause a setback when gearing.

In order to make the vehicle adjust the speed or reduce the fuel consumption, the current vehicles are all equipped with a gear shifting mechanism. The general gear shifting mechanism mainly relies on the gear set, or the gear set and the oil passage. However, because the gear set, or the gear set and the oil passage mechanism are complicated, bulky, the gear shift interval is small, the transmission loss is large, and the gear shift is easy to fall. Therefore, a stepless gear mechanism in which a two-slot wheel cooperates with a V-belt is developed, however, since the volume of the sheave and the V-belt is still large and the gear interval is still small. Therefore, how to invent a linear gear shifting mechanism, so that it can be easily and smallly sized, has a large linear shifting section, has less transmission loss, and does not cause a setback when the gear shifting, which will be the active disclosure of the present invention. .

In view of the shortcomings of the above-mentioned prior art, the inventor feels that he has not perfected it, exhausted his mind and researched and overcome it, and developed a linear gear shifting mechanism, in order to achieve a simple and small size mechanism with a large linearity. The gear shift interval, the transmission loss is small, and there is no setback in the gear shift.

The present invention provides a linear shifting mechanism comprising: a supporting rotating body; a plurality of driving balls spaced apart from each other and movably disposed on an outer circumferential surface of the supporting rotating body, the driving balls respectively having a cylindrical recess in the radial direction a plurality of driving round rods, wherein the inward end is respectively disposed in the cylindrical recess by the radial movement of the supporting swivel; a row of gears movably connecting the outward ends of the driving rods, The gear shifting portion drives the driving round rods to be deflected from the radial direction of the supporting rotating body to the axial direction of the supporting rotating body; an axial power input rotating body having an inner inclined power input toroid; an axial direction a power output swivel having an inner tilting power output toroid, the axial power input swivel and the axial power output swivel being located on opposite sides of the transmission ball, for actively clamping the transmission ball The inner tilting power input toroid, the inner tilting power output toroid and the outer circumferential surface of the supporting swivel.

In the above linear shifting mechanism, the circumferential surfaces of the driving round bars respectively have a first oil guiding groove.

In the above linear shifting mechanism, the gear portion has a driving ring body pivotally connected to an outward end of the driving round rods, and the driving ring body translates along the axial direction of the supporting rotating body.

In the above-mentioned linear gear shifting mechanism, the gear shifting portion has two half-drive ring bodies that abut each other, and the half-drive ring bodies respectively have a plurality of grooves to form a plurality of pivotal through holes to pivotally connect the driving round rods. The outer end of the semi-actuating ring body translates along the axial direction of the support swivel.

In the above linear shifting mechanism, the axial power input rotating body has a first connecting shaft pivotally connected to one side of the supporting rotating body, and the axial power output rotating body has a second connecting shaft The second connecting shaft is pivotally connected to the other side of the supporting swivel.

In the above linear shifting mechanism, the two sides of the supporting rotating body respectively have a bearing, and the bearings are respectively connected to the first connecting shaft and the second connecting shaft.

The present invention provides another linear gear shifting mechanism, comprising: a supporting rotating body; a plurality of driving balls spaced apart from each other and movably disposed on a side annular surface of the supporting rotating body, the driving balls respectively having a cylindrical shape in a radial direction a channel or a cylindrical groove; a plurality of driving round rods, wherein the inward end is respectively disposed in the cylindrical groove through the radial movement of the supporting rotating body through the radial passage; When the inward end of the driving rods respectively moves through the cylindrical passages, the gear portion is movably connected to an inward end and an outward end of the driving rods, when the inward end of the driving rods When the movement is respectively disposed in the cylindrical grooves, the gear portion is movably connected to an outward end of the driving rods, and the gear portion drives the driving rods to be deflected from a radial direction of the supporting rotating body to the Before the axial direction of the support swivel; an axial power input swivel having an inner tilting power input toroid; and an axial power output swivel having an inner tilting power output toroid, the axial power transmission The swivel and the axial power output swivel are located on the same side of the drive ball, the support swivel being located on the opposite side of the drive ball and the axial power input swivel and the axial power output swivel The transmission ball is sandwiched between the inner tilting power input toroid, the inner tilting power output toroid, and the side toroid of the supporting swivel.

In another linear shifting mechanism, when the inwardly facing ends of the driving round rods respectively extend through the cylindrical passages, the gearing portion has a driving ring body and a limiting body, and the inner ring of the driving ring body The surface has a plurality of oblique guiding grooves, the limiting body has a plurality of axial limiting through holes surrounding the axial direction of the supporting rotating body, and each of the axial limiting through holes has an axial guiding opening on a radially outer side The inner side of the radial direction has an axial arc guiding groove, and the driving ring body is movably disposed outside the limiting body, and the driving spheres are respectively limited to be located in the axial limiting through holes, and the driving spheres are respectively The opposite sides are exposed on opposite sides of the axial limiting through holes to movably contact the inner inclined power input toroid, the inner inclined power output toroid and the side annulus of the supporting rotating body, each of the driving circles The one end of the rod is movably disposed on the axial arc guiding groove, and the outward end of each of the driving rods is movably disposed on the oblique guiding groove via the axial guiding opening, and the driving ring body is supported by the supporting ring The axial direction of the rotating body is centered around the limiting body.

In another linear shifting mechanism, when the inward end of the driving rods is respectively movably disposed in the cylindrical recesses, the gear portion has a driving ring body, and the driving ring body is pivotally connected to the driving An outward end of the round rod, the drive ring body translates along the axial direction of the support swivel.

In another linear shifting mechanism, when the inward ends of the driving rods are respectively disposed in the cylindrical grooves, the gear portions have two semi-driving ring bodies that abut each other, and the half driving rings are The bodies respectively have a plurality of grooves to combine with each other to form a plurality of pivotal through holes for pivotally connecting the outward ends of the driving round bars, the semi-driven ring bodies being translated along the axial direction of the supporting rotating body.

In another linear shifting mechanism, the axial power input swivel has an axial power input shaft, and the axial power input shaft passes between the transmission balls and the support swivel is exposed to the support swivel .

The above-mentioned linear shifting mechanism further includes a ball ring body having a plurality of balls and a positioning ring body, the balls are spaced apart from each other and are movablely positioned on the positioning ring body, and the balls are movable in the axial direction. The power input swivel and the axial power output swivel between.

Thereby, the linear shifting mechanism of the present invention can have a large linear shift section with a simple and small-sized mechanism, and the transmission loss is small, and the gear shift does not occur.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the following specific embodiments and the accompanying drawings.

Referring to FIG. 1 to FIG. 5, in order to clearly show the operation mode of the driving ball 2 and the driving round rod 3, FIG. 5 only shows the driving manner of a driving ball 2 and a driving round rod 3, and the remaining driving spheres and driving. The operation mode of the round bar is the same as that shown in FIG. 5. As shown in the figure, the present invention provides a linear gear shifting mechanism, which comprises a supporting rotating body 1, a plurality of driving balls 2, a plurality of driving round bars 3, and a The gear shifting portion 4, an axial power input swivel 5 and an axial power output swivel 6. The transmission balls 2 are spaced apart from each other and are disposed on the outer circumferential surface of the support rotating body 1. The transmission balls 2 respectively have a cylindrical groove 21 in the radial direction; the driving round bars 3 are inward. One end of each of the driving shafts 3 is respectively disposed in the cylindrical recess 21, and the outer ends of the driving rods 3 are respectively exposed to the cylindrical recesses 21; the gear portion 4 is respectively exposed; Actively connecting the outward ends of the driving round bars 3 to drive the driving round bars 3 to be deflected from the radial direction of the supporting rotating body 1 to the axial direction of the supporting rotating body 1; the axial power input rotating body 5 has an inner tilting power input toroid 51, the axial power input rotating body 5 is pivotally connected to one side of the supporting rotating body 1; the axial power output rotating body 6 has an inner inclined power output toroid 61 The axial power output swivel 6 is pivotally connected to the other side of the support swivel 1 . As shown in FIG. 5, the axial power input swivel 5 and the axial power output swivel 6 are located on opposite sides of the transmission ball 2 to actively clamp the transmission ball 2 to the inner tilting power input toroid 51. The inner tilting power output toroid 61 and the outer circumferential surface of the supporting swivel 1 (the same as the other unillustrated transmission spheres), the axial power input swivel 5 and the axial power output swivel 6 The direction of rotation is reversed.

Referring to FIG. 3 again, as shown, when the axial power input swivel 5 rotates clockwise, the transmission ball 2 is input to the inner tilting power ring 51 of the axial power input swivel 5 (eg 2, which is driven to rotate counterclockwise, and the inner tilting power output toroid 61 of the axial power output swivel 6 (shown in FIG. 1) and the axial power output swivel 6 are driven by the transmission spheres. 2 driving and rotating counterclockwise; when the axial power input rotating body 5 rotates counterclockwise, the driving ball 2 is input to the inner tilting power input ring surface 51 of the axial power input rotating body 5 (as shown in FIG. 2). Driven and rotate clockwise, the inner tilting power output toroid 61 of the axial power output swivel 6 (shown in FIG. 1) and the axial power output swivel 6 are driven by the transmission ball 2 The hour hand turns.

In addition, referring to the middle diagram to the left diagram of FIG. 5, as shown in the figure, when the gear shifting portion 4 drives the driving round rod 3 to deflect counterclockwise, the transmission ball body 2 will rotate in addition to the driving round rod 3 itself. Deviating counterclockwise on the outer circumferential surface of the support swivel 1, at this time, the inner tilting power input toroid 51 of the axial power input swivel 5 contacts the large circumference of the transmission ball 2, and the axial power The inner inclined power output toroid 61 of the output rotating body 6 is in contact with the small circumference of the transmission ball 2, so the speed of the axial power input rotating body 5 is greater than the speed of the axial power output rotating body 6, so when When the driving round rod 3 is deflected counterclockwise, the linear gear shifting mechanism of the present invention can achieve the function of speed reduction; please refer to the middle to right drawing of FIG. 5, as shown in the figure, when the gear shifting portion 4 drives the driving round rod 3 When the clockwise deflection is performed, the transmission ball 2 is deflected clockwise on the outer circumferential surface of the support swivel 1 in addition to the rotation of the drive reel 3, and the inner tilt of the axial power input swivel 5 is at this time. The power input toroid 51 is in contact with the small circumference of the transmission ball 2, and the axial movement The inner tilting power output toroid 61 of the output swivel 6 is in contact with the large circumference of the transmission ball 2, so the speed of the axial power input swivel 5 will be less than the speed of the axial power output swivel 6, so when When the driving round rod 3 is deflected clockwise, the linear gear shifting mechanism of the present invention can achieve the function of speed increasing; the above is described by a driving round rod 3 and a driving ball body 2, and the driving manners of the remaining driving round rod and the transmission ball body are also The same reason.

Referring to FIG. 5 again, as shown in the figure, when the interval between the axial power input rotating body 5 and the axial power output rotating body 6 is larger, the angle at which the driving round rod 3 can be deflected is larger. Therefore, the linear shifting mechanism of the present invention can have a large linear shifting section with a simple and small-volume mechanism; in addition, the shifting ball 2 and the inner tilting power input toroid 51 can be arranged by the linear shifting mechanism of the present invention. The inner tilting power output toroid 61 and the outer circumferential surface of the supporting swivel 1 are in smooth contact, so that the linear shifting mechanism of the present invention has less transmission loss during gear shifting and does not cause a setback.

Referring to FIG. 1 and FIG. 2 again, as shown in the figure, in the linear gear shifting mechanism, the circumferential surfaces of the driving round bars 3 may respectively have a first oil guiding groove 31. Thereby, lubricating oil can be accommodated between the driving round bars 3 and the transmission balls 2 to reduce losses.

Referring to FIG. 1 to FIG. 5 , as shown in the figure, in the linear gear shifting mechanism, the gear shifting portion 4 can have a driving screw 42 , a driving ring body 41 and at least one guiding rod body 43 . The driving screw 42 can be driven to rotate by a driving motor 421, and the outward ends of the driving rods 3 can respectively pass through the side of the driving ring 41 through a pivot 32. The two sides of the plurality of pivoting slots 411 are pivotally connected to the driving ring body 41. The guiding rod body 43 can be a round rod. The driving screw 42 penetrates and engages the screw hole 412 of the driving ring body 41. The guiding rod The body 43 is movably guided through the guide hole 413 of the drive ring body 41. As shown in FIG. 1 , FIG. 3 and FIG. 5 , the driving screw 42 can drive the driving ring body 41 to axially translate along the guiding rod body 43 and the supporting rotating body 1 , so that the driving ring body 41 can drive the driving screw body 41 . The driving of the round rod 3 and the transmission balls 2 are deflected, thereby enabling the linear shifting mechanism of the present invention to perform gear shifting. In addition, the number of the guiding rod bodies 43 may be plural and the positions may be symmetrical so that the driving ring body 41 can be balancedly moved when the driving screw 41 is driven to translate.

Referring to FIG. 6 and FIG. 7 , as shown in the above, in the above-mentioned linear gear shifting mechanism, the gear shifting portion 4 may have two semi-drive ring bodies 414 that are butted together, and the half drive ring bodies 414 may each have a circular shape. The sides of the semi-actuating ring bodies 414 respectively have a plurality of grooves 4141 and a plurality of semi-cylindrical grooves 4142. The two sides of the grooves 4141 are respectively connected with a semi-cylindrical groove 4142, and the two grooves 4141 are combined with each other to form a plurality of grooves. The pivoting through hole 4143 and the two-and-a-half-cylindrical grooves 4142 are combined with each other to form a plurality of pivotal cylindrical slots (not shown), and the outward ends of the driving round rods 3 can be respectively passed through a pivot 32. The outward ends of the driving rods 3 are respectively movably received in the pivoting through holes 4143, and the two ends of the pivoting shafts 32 are respectively movably received in the pivoting cylindrical slots, so that the driving rods are respectively The outward end of the 3 is pivotally connected to the semi-drive ring bodies 414. Similarly, the semi-drive ring body 414 can also cooperate with the drive screw 42, the drive motor 421 and the guide rod body 43 such that the drive screw 42 can drive the semi-drive ring bodies 414 along the guide. The rod body 43 and the support swivel 1 are axially translated.

Referring to FIG. 1 and FIG. 2 again, as shown in the figure, in the linear gear shifting mechanism, the circumferential surface of the guiding rod body 43 may have a second oil guiding groove 431. Thereby, lubricating oil can be accommodated between the guiding rod body 43 and the driving ring body 41 to reduce loss.

Referring to FIG. 1 and FIG. 2 again, as shown in the above, in the linear shifting mechanism, the axial power input rotating body 5 can have a first connecting shaft 52, and the first connecting shaft 52 is pivotally connected to the support. On one side of the body 1, the axial power output swivel 6 can have a second connecting shaft 62 pivotally connected to the other side of the supporting swivel 1. Thereby, the support swivel 1 can obtain the support of the axial power input swivel 5 and the axial power output swivel 6. The axial power input swivel 5 and the axial power output swivel 6 can be They are connected to each other and can be rotated in the opposite direction.

Referring to FIG. 1 and FIG. 2 again, as shown in the figure, in the linear shifting mechanism, the two sides of the supporting swivel 1 respectively have a bearing 11 , and the bearings 11 can be respectively sleeved on the first connecting shaft. 52 and the second connecting shaft 62. Thereby, the support swivel 1 can obtain the support of the axial power input swivel 5 and the axial power output swivel 6. The axial power input swivel 5 and the axial power output swivel 6 can be They are connected to each other and can be rotated in the opposite direction.

Referring to FIG. 8 to FIG. 12, in order to clearly show the operation mode of the driving ball 2 and the driving round bar 3, FIG. 12 only shows the driving manner of a driving ball 2 and a driving round bar 3, and the remaining driving balls and driving. The operation mode of the round bar is the same as that shown in FIG. 12 . As shown in the figure, the present invention provides another linear gear shifting mechanism, which comprises a supporting rotating body 1 , a plurality of driving balls 2 , a plurality of driving round bars 3 , A row of gears 4, an axial power input swivel 5 and an axial power output swivel 6. The transmission spheres 2 are spaced apart from each other and are movably disposed on the side annulus 12 of the support swivel 1. The side annulus 12 can be concavely curved to match the transmission spheres 2, and the transmission spheres 2 Radially respectively, there is a cylindrical channel 22 or a cylindrical groove 21 (as shown in FIG. 5 and FIG. 6); the inward end of the driving round rod 3 is respectively penetrated by the radial movement of the supporting rotating body 1 The cylindrical passages 22 or the inward ends of the driving rods 3 are respectively disposed in the cylindrical grooves 21 by radial movement of the supporting rotating body 1 (as shown in FIG. 5 and FIG. 6 ), The outward ends of the driving rods 3 are respectively exposed to the cylindrical channels 22 or the cylindrical grooves 21 (as shown in FIGS. 5 and 6); when the inward ends of the driving rods 3 are respectively When the movement passes through the cylindrical passages 22, the gear portion 4 is movably connected to the inward end and the outward end of the driving rods 3, and the inward ends of the driving rods 3 are respectively disposed on the cylinders. When the groove 21 is inside (as shown in FIG. 5 and FIG. 6), the gear portion 4 is movably connected to an outward end of the driving rods 3, and the gear portion 4 drives the same. The driving round rod 3 is deflected from the radial direction of the supporting rotating body 1 to the axial direction of the supporting rotating body 1; the axial power input rotating body 5 has an inner inclined power input toroid surface 51; the axial power output The swivel 6 has an inner tilting power output annulus 61. As shown in FIG. 12, the inner tilting power input toroid 51 of the axial power input swivel 5 is located in the inner tilting power output toroid 61 of the axial power output swivel 6 and the axial power input swivel 5 and The axial power output swivel 6 is located on the same side of the transmission ball 2, and the support swivel 1 is located on the transmission ball 2 and is opposite to the axial power input swivel 5 and the axial power output swivel 6 On the side, the transmission ball 2 is sandwiched between the inner tilting power input annulus 51, the inner tilting power output annulus 61 and the side annulus 12 of the supporting swivel 1 (the remaining unillustrated transmission spheres are also the same) The axial power input swivel 5 is rotated in the same direction as the axial power output swivel 6.

Referring again to FIG. 8, as shown, when the axial power input swivel 5 rotates clockwise, the transmission balls 2 are driven by the inner tilting power input toroid 51 of the axial power input swivel 5 Rotating clockwise, and the inner tilting power output toroid 61 of the axial power output rotating body 6 and the axial power output rotating body 6 are driven by the driving ball 2 to rotate clockwise; when the axial power input is turned When the body 5 rotates counterclockwise, the transmission ball 2 is driven by the inner tilting power input toroid 51 of the axial power input swivel 5 to rotate counterclockwise, and the inner tilting power output of the axial power output swivel 6 The toroidal surface 61 and the axial power output rotating body 6 are driven by the transmission balls 2 to rotate counterclockwise.

In addition, referring to the middle diagram to the left diagram of FIG. 12, as shown in the figure, when the gear shifting portion 4 drives the driving round rod 3 to deflect counterclockwise, the transmission ball body 2 will rotate in addition to the driving round rod 3 itself. Deviating counterclockwise on the side annulus 12 of the support swivel 1 at this time, the inner tilting power input annulus 51 of the axial power input swivel 5 will contact the large circumference of the transmission ball 2, and the axial direction The inner inclined power output toroid 61 of the power output rotating body 6 is in contact with the small circumference of the transmission ball 2, so the speed of the axial power input rotating body 5 is greater than the speed of the axial power output rotating body 6, so When the driving round rod 3 is deflected counterclockwise, another linear shifting mechanism of the present invention can achieve the function of speed reduction; please refer to the middle to right diagram of FIG. 12, as shown in the figure, when the gearing portion 4 drives the driving When the round rod 3 is deflected clockwise, the transmission ball 2 is deflected clockwise on the side annulus 12 of the supporting swivel 1 in addition to its rotation around the driving round rod 3. At this time, the axial power input swivel The inner tilting power input toroid 51 of 5 is in contact with the small circumference of the transmission ball 2, and The inner tilting power output toroid 61 of the power output rotating body 6 is in contact with the large circumference of the transmission ball 2, so the speed of the axial power input rotating body 5 is smaller than the speed of the axial power output rotating body 6, so When the driving round rod 3 is deflected clockwise, another linear shifting mechanism of the present invention can achieve the function of speed increasing; the above is described by a driving round rod 3 and a driving sphere 2, and the remaining driving round rod and the transmission sphere The same is true of the way of action.

Referring again to FIG. 12, as shown, when the distance between the support swivel 1 and the axial power input swivel 5 and the axial power output swivel 6 is larger, the drive rod 3 can be deflected. The angle of the linear shifting mechanism is also larger, so that the linear shifting mechanism of the present invention can have a large linear shifting section with a simple and small-sized mechanism; in addition, since the linear shifting mechanism of the present invention is geared, the driving sphere 2 is The inner tilting power input toroid 51, the inner tilting power output toroid 61 and the side annulus 12 of the supporting swivel 1 are in smooth contact, so that the linear shifting mechanism of the present invention has less transmission loss during gear shifting. And there will be no setbacks.

Referring to FIG. 8 , FIG. 9 and FIG. 12 , as shown in the figure, in the other linear gear shifting mechanism, when the inward ends of the driving round bars 3 respectively move through the cylindrical passages 22 , the gears are arranged. The portion 4 has a driving ring body 45 and a limiting body 46. FIGS. 8 and 9 show a half-decomposed limiting body 46, and the axial limiting hole 461 of the limiting body 46 is axially guided. The opening 462 and the axial arc guiding groove 463 are also split in half. The inner annular surface of the driving ring body 45 can be rounded and have a plurality of oblique guiding grooves 451 spaced apart from each other. The limiting body 46 can be cylindrical and has a plurality of axial limiting through holes 461 around the support. In the axial direction of the body 1, each of the axially-restricting through-holes 461 has a circular arc shape, and each of the axially-restricted through-holes 461 has an axial guiding opening 462 on the radially outer side, on the inner side in the radial direction. There is an axial arc guiding groove 463. As shown in FIG. 12, the axial arc guiding groove 463 is a guiding groove which is recessed into an arc shape toward the axis, and the driving ring body 45 is movably disposed at the limit. The two outer sides of the transmission ball 2 are respectively exposed to the opposite sides of the axially-restricted through-holes 461. Rollingly contacting the inner tilting power input toroid 51, the inner tilting power output toroid 61 and the side annulus 12 of the supporting swivel 1, the inward end of each of the driving rods 3 is movably disposed on the axial arc guide a guiding groove 463, wherein an outward end of each of the driving rods 3 is movably disposed on the oblique guiding groove 451 via the axial guiding opening 462, and the driving ring body 45 is Support swivel about the center axis 1 of rotation of the stopper 46. Referring to FIG. 8 and FIG. 12 again, as shown in the figure, since the two ends of the driving round rod 3 are respectively guided by the axial guiding opening 462 and the axial arc guiding groove 463, the driving circle is The two ends of the rod 3 can only move in the axial direction of the supporting swivel 1, and then when the driving ring body 45 is rotated about the limiting body 46, the outward end of the driving round rod 3 is driven by the driving ring body 45. The oblique guiding groove 451 is guided to move to the right (as shown in the middle to the left of FIG. 12) or to the left (as shown in the middle to the right of FIG. 12), thereby making the driving rod 3 and the transmission ball 2 is simultaneously deflected counterclockwise (as shown in the middle to left of FIG. 12) or simultaneously clockwise (as shown in the middle to right of FIG. 12).

Please refer to FIG. 8 , FIG. 10 and FIG. 12 again, and please refer to FIG. 1 , FIG. 3 and FIG. 5 at the same time. As shown in the figure, in the other linear gear shifting mechanism described above, when the driving round bars 3 are inward When the one end is movably disposed in the cylindrical recesses 21, the shifting portion 4 can also have a driving screw 42 , a driving ring body 41 and at least one guiding rod body 43 , which is the same as the former linear shifting mechanism. The driving ring body 41 can be circularly shaped. The driving screw 42 can be driven to rotate by a driving motor 421. The outward ends of the driving round rods 3 can respectively pass through the driving ring body 41 through a pivot 32. The two sides of the plurality of pivoting slots 411 are pivotally connected to the driving ring body 41. The guiding rod body 43 can be a round rod. The driving screw 42 penetrates and engages the screw hole 412 of the driving ring body 41. The guiding rod body 43 is movably penetrated through the guiding hole 413 of the driving ring body 41. As shown in FIG. 1 , FIG. 3 and FIG. 5 , the driving screw 42 can drive the driving ring body 41 to axially translate along the guiding rod body 43 and the supporting rotating body 1 as shown in FIGS. 8 , 10 and 12 . In order to enable the drive ring body 41 to drive the drive rods 3 and the transmission balls 2 to deflect, the linear shifting mechanism of the present invention can be geared. In addition, the number of the guiding rod bodies 43 may be plural and the positions may be symmetrical so that the driving ring body 41 can be balancedly moved when the driving screw 41 is driven to translate.

Please refer to FIG. 8 , FIG. 10 and FIG. 12 again, and please refer to FIG. 6 and FIG. 7 at the same time. As shown in the figure, in the other linear shifting mechanism described above, when the inward ends of the driving round bars 3 are respectively moved, respectively. When disposed in the cylindrical recesses 21, the gear portion 4 may also have the same two-half drive ring body 414 as the former linear shifting mechanism, and the semi-drive ring bodies 414 may each be annular. The sides of the semi-drive ring body 414 respectively have a plurality of grooves 4141 and a plurality of semi-cylindrical grooves 4142. The two sides of the grooves 4141 are respectively connected with a semi-cylindrical groove 4142, and the two grooves 4141 are combined with each other to form The plurality of pivotal through holes 4143 and the two and a half cylindrical grooves 4142 are combined with each other to form a plurality of pivotal cylindrical grooves (not shown), and the outward ends of the driving round bars 3 are respectively traversed by a pivot 32 The outward ends of the driving rods 3 are respectively movably received in the pivoting through holes 4143, and the two ends of the pivoting shafts 32 are respectively movably received in the pivoting cylindrical slots to enable the driving circles. The outward end of the rod 3 is pivotally connected to the semi-drive ring bodies 414. Similarly, the semi-drive ring body 414 can also cooperate with the drive screw 42, the drive motor 421 and the guide rod body 43 such that the drive screw 42 can drive the semi-drive ring bodies 414 along the guide. The rod body 43 and the support swivel 1 shown in Figs. 8, 10 and 12 are axially translated.

Referring to FIG. 8 to FIG. 10 again, as shown in the above, in another linear shifting mechanism, the axial power input swivel 5 may have an axial power input shaft 53, and the axial power input shaft 53 passes through. The center of the limiting body 46 of the gear portion 4, the center between the transmission balls 2, and the center of the supporting rotating body 1 are exposed to the supporting rotating body 1. The axial power output rotating body 6 may have an axis To the power output shaft 63. Thereby, another linear shifting mechanism of the present invention can input power via the axial power input shaft 53, and then output power via the axial power output shaft 63.

Referring to FIG. 8 and FIG. 9 again, as shown in the figure, the above-mentioned linear shifting mechanism may further include a ball ring body 7 having a plurality of balls 71 and a positioning ring body 72, and the balls 71 are spaced apart from each other. And the activity is located in the plurality of positioning slots of the positioning ring body 72. The balls 71 are movable between the axial power input rotating body 5 and the axial power output rotating body 6 to reduce the axial power input rotation. Friction loss between the body 5 and the axial power output rotor 6.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.

1‧‧‧Support swivel
11‧‧‧ bearing
12‧‧‧ side torus
2‧‧‧Drive sphere
21‧‧‧ cylindrical groove
22‧‧‧Cylindrical channel
3‧‧‧Drive round rod
31‧‧‧First oil guiding groove
32‧‧‧ pivot
4‧‧‧Departure Department
41‧‧‧ drive ring
411‧‧‧ pivot slot
412‧‧‧ screw hole
413‧‧‧ Guide hole
414‧‧‧Half drive ring
4141‧‧‧ Groove
4142‧‧‧Semi-cylindrical groove
4143‧‧‧ pivoting through hole
42‧‧‧ drive screw
421‧‧‧Drive motor
43‧‧‧ Guide body
431‧‧‧Second oil guiding groove
45‧‧‧ drive ring
451‧‧‧ oblique guiding slot
46‧‧‧Limited body
461‧‧‧ axial limit through hole
462‧‧‧Axial guide opening
463‧‧‧Axial arc guide groove
5‧‧‧Axial power input swivel
51‧‧‧Inside tilting power input torus
52‧‧‧First connecting shaft
53‧‧‧Axial power input shaft
6‧‧‧Axial power output swivel
61‧‧‧Inside tilt power output torus
62‧‧‧Second connection shaft
63‧‧‧Axial power output shaft
7‧‧‧ Ball ring
71‧‧‧ balls
72‧‧‧Positioning ring body

Fig. 1 is an exploded perspective view of a preferred embodiment of the present invention. Fig. 2 is an exploded perspective view showing another preferred embodiment of the present invention. Fig. 3 is a schematic view showing the combination of preferred embodiments of the present invention. Fig. 4 is a schematic view showing the combination of another perspective of a preferred embodiment of the present invention. Fig. 5 is a schematic cross-sectional view showing a preferred embodiment of the present invention. Fig. 6 is an exploded perspective view showing another driving ring body in accordance with a preferred embodiment of the present invention. Fig. 7 is a schematic view showing the combination of another driving ring body according to a preferred embodiment of the present invention. Fig. 8 is an exploded perspective view showing another preferred embodiment of the present invention. Fig. 9 is an exploded perspective view showing another perspective of another preferred embodiment of the present invention. Fig. 10 is a schematic view showing the combination of another preferred embodiment of the present invention. Fig. 11 is a schematic diagram showing the combination of another perspective of another preferred embodiment of the present invention. Fig. 12 is a schematic cross-sectional view showing another preferred embodiment of the present invention.

1‧‧‧Support swivel

11‧‧‧ bearing

2‧‧‧Drive sphere

21‧‧‧ cylindrical groove

3‧‧‧Drive round rod

31‧‧‧First oil guiding groove

32‧‧‧ pivot

4‧‧‧Departure Department

41‧‧‧ drive ring

411‧‧‧ pivot slot

412‧‧‧ screw hole

413‧‧‧ Guide hole

42‧‧‧ drive screw

421‧‧‧Drive motor

43‧‧‧ Guide body

431‧‧‧Second oil guiding groove

5‧‧‧Axial power input swivel

6‧‧‧Axial power output swivel

61‧‧‧Inside tilt power output torus

62‧‧‧Second connection shaft

Claims (12)

A linear gear shifting mechanism comprising: a supporting rotating body; a plurality of driving balls spaced apart from each other and movably disposed on an outer circumferential surface of the supporting rotating body, the driving balls respectively having a cylindrical groove in a radial direction; a round rod whose inward end is respectively disposed in the cylindrical recess by the radial movement of the support swivel; a gear portion that is movably connected to an outward end of the drive rod, the gear portion drives the The auxiliary drive rod is deflected from the radial direction of the support swivel to the axial direction of the support swivel; an axial power input swivel having an inner tilting power input toroid; and an axial power output rotation The body has an inner tilting power output toroid, and the axial power input rotating body and the axial power output rotating body are located on opposite sides of the driving ball body to actively clamp the driving balls to the inner tilting power The input toroid, the inner inclined power output toroid, and the outer circumferential surface of the support swivel. The linear gear shifting mechanism of claim 1, wherein the circumferential faces of the driving round bars respectively have a first oil guiding groove. The linear gear shifting mechanism of claim 1, wherein the gearing portion has a driving ring body pivotally connected to an outward end of the driving round rod, and the driving ring body is axially translated along the supporting rotating body . The linear gear shifting mechanism of claim 1, wherein the gear shifting portion has two half drive ring bodies that abut each other, and the half drive ring bodies respectively have a plurality of grooves to combine with each other to form a plurality of pivotal through holes for pivoting the The outer end of the rod is driven, and the semi-actuating ring body translates along the axial direction of the support swivel. The linear gear shifting mechanism of claim 1, wherein the axial power input swivel has a first connecting shaft pivotally connected to one side of the supporting swivel, the axial power output swivel having a second connecting shaft pivotally connected to the other side of the supporting swivel. The linear gear shifting mechanism of claim 5, wherein the two sides of the support swivel respectively have a bearing, and the bearings are respectively connected to the first connecting shaft and the second connecting shaft. A linear gear shifting mechanism comprising: a supporting rotating body; a plurality of driving balls spaced apart from each other and movably disposed on a side annular surface of the supporting rotating body, the driving balls respectively having a cylindrical passage or a cylindrical shape in a radial direction a plurality of driving circular rods, wherein the inward end is respectively disposed through the cylindrical passage or movable in the cylindrical groove by the radial movement of the supporting rotating body; a row of gears, when the driving circle When the inward end of the rod moves through the cylindrical passages, the gear portion is movably connected to an inward end and an outward end of the driving rod, and the inward end of the driving rod is respectively disposed on the When the cylindrical groove is in the same direction, the gear portion is movably connected to an outward end of the driving round rod, and the gear portion drives the driving round rods to deflect from the radial direction of the supporting rotating body to the shaft of the supporting rotating body Forward; an axial power input swivel having an inner tilting power input annulus; and an axial power a rotating body having an inner tilting power output toroid, the axial power input rotating body and the axial power output rotating body are located on the same side of the driving ball, the supporting rotating body is located in the driving sphere and The axial power input swivel and the opposite side of the axial power output swivel are movable to clamp the transmission ball to the inner tilting power input toroid, the inner tilting power output toroid and the supporting swivel Between the side torus. The linear gear shifting mechanism of claim 7, wherein when the inward end of the driving rods respectively moves through the cylindrical passages, the gearing portion has a driving ring body and a limiting body, the driving ring body The inner annular surface has a plurality of oblique guiding grooves, the limiting body has a plurality of axially limiting through holes surrounding the axial direction of the supporting rotating body, and each of the axial limiting through holes has an axial direction on the outer side of the radial direction The guiding opening has an axial arc guiding groove on the inner side of the radial direction, and the driving ring body is movably disposed outside the limiting body, and the driving spheres are respectively limited to be located in the axial limiting through holes, The opposite sides of the driving ball are exposed on opposite sides of the axial limiting through holes to movably contact the inner inclined power input toroid, the inner inclined power output toroid and the side torus of the supporting rotating body, respectively The inwardly-facing end of the driving rod is movably disposed on the axial arc guiding groove, and the outward end of each of the driving rods is movably disposed on the oblique guiding groove via the axial guiding opening, the driving ring body The support body is rotated about the axial direction of the support swivel. The linear gear shifting mechanism of claim 7, wherein when the inward end of the driving rods is respectively disposed in the cylindrical grooves, the gear portion has a driving ring body, and the driving ring body is pivotally connected. The drive rods are axially translated along the axial direction of the support swivel. The linear gear shifting mechanism of claim 7, wherein when the inward end of the driving rods is respectively movably disposed in the cylindrical grooves, the gear portions have two semi-drive ring bodies that abut each other. The semi-actuating ring bodies respectively have a plurality of grooves to combine with each other to form a plurality of pivoting through holes for pivotally connecting the outward ends of the driving rods, and the semi-driven ring bodies are translated along the axial direction of the supporting rotating body. The linear gear shifting mechanism of claim 7, wherein the axial power input swivel has an axial power input shaft, the axial power input shaft passing between the transmission balls and the support swivel exposed to the Support the swivel. The linear gear mechanism of claim 7, further comprising a ball ring body having a plurality of balls and a positioning ring body, the balls are spaced apart from each other and are actively positioned on the positioning ring body, and the balls are clamped to the positioning ring body. The axial power input swivel is between the axial power output swivel.