TWI640703B - Power switching device - Google Patents

Abstract

A power switching device for solving the problem that a conventional clutch has a feeling of frustration and power loss. The system includes: a housing having an accommodating space, the accommodating space having a clutch member, the clutch member having at least one block on one side thereof; a transmission group disposed in the accommodating space, the transmission group having an axis The inner tooth system of the sleeve is engaged with one end of a shaft, and the other end of the shaft has a driving wheel; a shifting wheel set is disposed in the accommodating space, and the shifting wheel set has a brake disc. The brake disc can be clamped by a brake caliper, and one side of the brake disc has at least one slot corresponding to the at least one block, and the other side of the brake disc has a carrier, at least one planetary axle Non-rotatably extending through the carrier in the axial direction of the shaft hole, the at least one planetary axle is provided for each of the planet wheels; and a linkage group is disposed in the accommodating space, the linkage group has an outer ring wheel The inner ring of the outer ring wheel is provided with inner teeth, each of the planet wheels meshes with the driving wheel inside the carrier, and meshes with the inner tooth on the outside of the carrier.

Description

Power switching device

The present invention relates to a power switching device, and more particularly to a power switching device that uses a planetary gear set for power switching.

In order to adapt the vehicle to changing driving conditions, driving often requires changing the gears of the vehicle to different gear positions. In existing vehicles, the engine and the transmission are separated by a clutch to cooperate to cut off and Power transfer function for shifting and reducing shocks during shifting.

Generally speaking, whether it is a hybrid vehicle or an internal combustion engine, the clutch gears need to be at a certain speed difference to achieve the shifting condition. Therefore, during the shifting process, it is easy to be between the engine and the clutch plate. The change in the speed difference causes an impact when the clutch gear is engaged, which causes the vehicle to have a significant sense of frustration, which causes the occupant to feel uncomfortable, and the slipping of the clutch gear causes the slip to be slippery, causing a problem of power loss.

In view of this, the conventional power switching device does have a need for improvement.

In order to solve the above problems, the present invention provides a power switching device that can be powered by a planetary gear set for power transmission or power switching.

The directionality or its similar terms in the full text of the present invention, such as "before", "after", "upper (top)", "lower (bottom)", "inside", "outside", etc., mainly refer to additional drawings The orientation, the directionality or the similar terms are only used to assist in the description and understanding of the embodiments of the present invention, and are not intended to be limiting. this invention.

The power switching device of the present invention comprises: a housing having an accommodating space, the accommodating member having a clutch member, the clutch member being disposed by a shank portion in a recess of the accommodating space, the clutch member The center has a constant hole, and one side of the clutch has at least one block; a transmission set is disposed in the accommodating space, the transmission set has a sleeve, and the internal gear of the sleeve is engaged with one end of a shaft The other end of the shaft has a driving wheel, the shaft sleeve, the shaft rod and the driving wheel train form a linkage; a shifting wheel set is disposed in the accommodating space, the shifting wheel set has a brake disc, The brake disc can be clamped by a brake caliper, and one side of the brake disc has at least one card slot corresponding to the at least one card block, and the other side of the brake disc has a carrier, the brake disc and the brake disc The carrier frame is interlocked, and the center of the brake disc and the carrier have a shaft hole, and at least one of the planetary axles is non-rotatably disposed in the carrier in an axial direction of the shaft hole, the at least one planetary axle Each for a planetary wheel setting; a linkage group is disposed in the accommodating space, the linkage group has an outer ring wheel, the inner ring of the outer ring wheel is provided with internal ribs, and the center of the outer ring wheel has a wheel hole, the wheel hole is outside One side of the ring wheel is reduced in diameter to form a coupling portion, the transmission group penetrates the through hole and the shaft hole, and the driving wheel is placed in the carrier, and the carrier is placed in the wheel hole so that each The planet gear meshes with the driving wheel inside the carrier and meshes with the internal ribs outside the carrier.

Accordingly, the power switching device of the present invention can form a planetary gear set structure for power transmission or power switching by being clamped to the brake disk, which can replace the existing clutch to avoid power loss and The problem of frustration.

Wherein, the driving wheel, the at least one planet gear and the outer ring wheel train form a planetary gear set. In this way, since the planetary gear set has the advantages of small volume, large transmission ratio, and high transmission efficiency, when the planetary gear set is applied to functions such as power transmission and power switching, the planetary gear set can have a good reduction ratio effect.

Wherein, the sleeve is an internal tooth coupling. In this way, a power source device is available. The effect of the rotor meshing with the sleeve.

The two sides of the brake disc have a first connecting disc and a second connecting disc. In this way, it has the effect of facilitating the assembly of the brake disc to other components.

Wherein, the first connecting plate has the at least one card slot on a side facing away from the brake disc. As such, there may be an effect corresponding to the at least one card block.

Wherein, the second connecting plate has the carrier on a side facing away from the brake disc. As such, there is the effect of providing the at least one planet axle.

Wherein, the carrier is coupled to the second connecting tray by a support portion. In this way, it has the effect of facilitating assembly.

Wherein, the brake disc, the first connecting disc, the second connecting disc, the carrier and the center of the supporting portion jointly have the shaft hole and form a linkage. In this way, the transmission group can be worn and can be rotated in a state of being unrotated, so as to form a planetary gear set with the effect of power transmission.

The number of the at least one planetary axle and the at least one planetary gear is four. In this way, the four component planetary wheels that are symmetrically disposed can have a better component load to bear the effect of output torque.

The two sides of the outer ring wheel respectively have a first linkage ring and a second linkage ring and form a linkage. In this way, the first interlocking ring and the second linking ring can be mutually clamped against the two ends of the planetary axles to prevent the carrier from being shaken when rotating.

The center of the outer ring wheel, the first linking ring and the second linking ring jointly have the wheel hole. In this way, there is an effect that the carrier can be worn.

Wherein, the wheel hole forms the coupling portion on the diameter of the second interlocking ring. In this way, it has the effect of being able to combine the drive shafts of a gearbox.

Wherein, when not used for gear shifting, the brake caliper clips against the brake disc, and the at least one clip is correspondingly coupled to the at least one slot. In this way, the brake disc and The carrier is fixed in a non-rotatable state, so that the planetary gears are positioned and rotated to drive the outer ring to rotate, thereby having the effect of transmitting power.

Wherein, when applied to the gear, the brake caliper is not clamped to the brake disk, and the at least one block is not correspondingly coupled to the at least one card slot. In this way, the brake disc and the carrier can be rotated in a state in which they are not fixed, and the outer ring can not be rotated by the plurality of planetary wheels, thereby having the effect of switching power.

The stem is connected to a vehicle computer system. In this way, it has the effect of controlling the actuation of the clutch member.

〔this invention〕

1‧‧‧Shell

11‧‧‧ First joint

12‧‧‧Second joint

13‧‧‧ clutches

14‧‧‧ pole

15‧‧‧ gap

16‧‧‧through holes

17‧‧‧ card block

2‧‧‧ Transmission Group

21‧‧‧ bushings

22‧‧‧ shaft

23‧‧‧Drive wheel

3‧‧‧change wheel set

31‧‧‧煞盘盘

32‧‧‧ brake calipers

33a‧‧‧First connection

33b‧‧‧Second connection

34‧‧‧ card slot

35‧‧‧Gear rack

36‧‧‧Support Department

37‧‧‧Axis hole

38‧‧‧ planetary axle

39‧‧‧ planet wheels

4‧‧‧ linkage group

41‧‧‧Outer Ring Wheel

42‧‧‧ internal tooth

43‧‧‧First linkage ring

44‧‧‧Second linked ring

45‧‧‧ wheel holes

46‧‧‧Coupling

P‧‧‧Power source unit

P1‧‧‧ rotor

T‧‧‧Transmission

T1‧‧‧ drive shaft

L‧‧‧ Positioning element

S‧‧‧ accommodating space

S1‧‧‧First accommodation space

S2‧‧‧Second accommodating space

B‧‧‧ bearing

B’‧‧‧ Bearing

Figure 1 is an exploded perspective view of a preferred embodiment of the present invention.

Fig. 2 is a perspective view showing a detailed portion of a preferred embodiment of the present invention.

Figure 3 is a partially exploded perspective view of a shifting wheel set in accordance with a preferred embodiment of the present invention.

Figure 4 is a cross-sectional view showing a combination of a preferred embodiment of the present invention.

Figure 5: Diagram of the action situation as shown in Figure 4.

Fig. 6 is a cross-sectional view taken along line A-A of Fig. 4.

The above and other objects, features and advantages of the present invention will become more <RTIgt; It is a preferred embodiment of the power switching device of the present invention. The power switching device can be assembled and coupled to a power source device P, and is assembled and connected by a gearbox T. The power switching device includes a housing 1 and a transmission group. 2. A shifting wheel set 3 and a linkage set 4, the transmission set 2, the shifting wheel set 3 and the interlocking set 4 are received in an accommodation space S of the housing 1.

The first side of the housing 1 has a first coupling member 11 and a second coupling member The first joint member 11 and the second joint member 12 can be fixed to the two sides of the shell 1 by a plurality of positioning elements L, such as screws. In other embodiments, the first joint member 11 and the first portion The two coupling members 12 may be coupled to both sides of the housing 1 in a manner of being clamped or integrally formed, and are not limited in the present invention. The accommodating space S between the housing 1 and the first coupling member 11 may be a first accommodating space S1. The accommodating space S between the housing 1 and the second coupling member 12 may be The second accommodating space S2 is in communication with the second accommodating space S2. In the first accommodating space S1, the housing 1 has a latching member 13 which is disposed by a rod portion 14 in a notch 15 communicating with the first accommodating space S1. The clutch member 13 The center has a constant hole 16, and the clutch member 13 further has at least one block 17 on the side facing the second housing space S2.

The transmission set 2 can have a bushing 21, which can be an internal toothed coupling. One end of a shaft 22 can be engaged with the internal teeth of the sleeve 21, and the other end of the shaft 22 has an active The wheel 23, the sleeve 21, the shaft 22 and the driving wheel 23 are interlocked.

Referring to FIG. 3 at the same time, the shifting wheel set 3 can have a brake disc 31 which can be clamped by a brake caliper 32. Each of the two sides of the brake disc 31 has a first connecting disc 33a. And a second connecting plate 33b, the first connecting plate 33a and the second connecting plate 33b are fixed to the two sides of the brake disk 31 by a plurality of positioning elements L such as screws, and the first connecting plate 33a faces away from the first connecting plate 33a. The brake disc 31 has at least one slot 34 on one side thereof, and a carrier 35 on a side of the second adapter disc 33b facing away from the brake disc 31. The carrier 35 is supported by a support portion 36. In combination with the second connecting plate 33b, the brake disc 31, the first connecting disc 33a, the second connecting disc 33b, the carrier 35 and the support portion 36 are interlocked. In addition, the center of the brake disc 31, the first connecting disc 33a, the second connecting disc 33b, the carrier 35 and the support portion 36 have a shaft hole 37.

In detail, the carrier 35 can have at least one planetary axle 38 that is non-rotatably disposed in the carrier 35 in the axial direction of the shaft hole 37. The planetary axle 38 is provided for a planetary gear 39. A bearing B is disposed between the planetary gear 39 and the planetary axle 38 such that the planetary gear 39 is rotatably coupled to the planetary axle 38 and the planet is The direction of rotation of the wheel 39 can be the same as the direction of rotation of the carrier 35. In the present embodiment, the number of the planet axle 38 and the planet gear 39 is preferably four, so that four are symmetrically arranged. The planet gears 39 can have a better component load to bear the output torque. For ease of subsequent description, the number of the planet axles 38 and the planet wheels 39 is four.

Referring to FIG. 2 again, the interlocking group 4 can have an outer ring wheel 41. The inner ring of the outer ring wheel 41 is provided with internal ribs 42. Each of the two sides of the outer ring wheel 41 has a first interlocking ring. 43 and a second linkage ring 44, the first linkage ring 43 and the second linkage ring 44 may be fixed to two sides of the housing 1 by a plurality of positioning elements L, such as screws, the outer ring wheel 41, the first The interlocking ring 43 and the second linking ring 44 are interlocked. The center of the outer ring wheel 41, the first linking ring 43 and the second linking ring 44 have a wheel hole 45 communicating with the wheel hole 45. The second interlocking ring 44 is reduced in diameter to form a coupling portion 46.

Referring to Figures 1, 4, and 5, the transmission group 2, the shifting wheel set 3, and the interlocking group 4 are commonly accommodated in the accommodating space S of the housing 1, and the transmission group 2 is inserted through the shifting wheel set. 3, the interlocking group 4 is driven by the shifting wheel set 3. In addition, the rotor P1 of the power source device P can be coupled to the sleeve 21 of the transmission group 2, and the transmission shaft T1 of the transmission T can be coupled to the coupling portion 46 of the linkage group 4, so that the rotor P1 The transmission shaft T1 can be rotated by the power switching device.

In detail, in the first accommodating space S1, the transmission group 2 is penetrated through the through hole 16 of the clutch member 13 through the sleeve 21, and penetrates the brake disc 31, the first splicing disc 33a and the first The shaft hole 37 of the two trays 33b, wherein the brake caliper 32 is fixed to the housing 1, and at least one of the latches 17 of the clutch member 13 is correspondingly coupled to at least one of the slots 34 of the brake disc 31. . In the second accommodating space S2, the transmission group 2 is penetrated from the carrier 35 and the shaft hole 37 of the support portion 36, and the carrier 35 and the support portion 36 penetrate the linkage group 4 a bearing hole B is disposed between the shaft 22 and the support portion 36, so that the shaft 22 is rotatably disposed on the support portion 36, wherein the driving wheel 23 is disposed In the carrier 35, the carrier 35 is disposed in the wheel hole 45 of the outer ring wheel 41 such that each of the planet gears 39 can be engaged with the driving wheel 23 inside the carrier 35, and the carrier 35 externally meshes with the inner rib 42 of the outer ring wheel 41. Thus, the driving wheel 23, the plurality of planet wheels 39 and the outer ring wheel 41 can form a planetary gear set as shown in FIG. Because the planetary gear set has the advantages of small volume, large transmission ratio and high transmission efficiency, when the planetary gear set is applied to functions such as power transmission and power switching, the planetary gear set can have a good reduction ratio. In addition, the first interlocking ring 43 and the second linking ring 44 are commonly clamped against the two ends of the planetary axles 38 to prevent the carrier 35 from being shaken during rotation.

The inside of the second accommodating space S2 and the second interlocking ring 44 are respectively provided with a bearing B', so that the supporting portion 36 and the second linking ring 44 are rotatably disposed in the second accommodating portion. The inside of the space S2, and the carrier 35 is rotatably disposed inside the second interlocking ring 44.

Referring to FIG. 4 again, when the power switching device of the present invention is not used for gear shifting, the brake caliper 32 is clamped against the brake disk 31, and the at least one block 17 is coupled to the at least one card slot 34. At this time, the brake disc 31 and the first connecting disc 33a are in an unrotatable state, and the second connecting disc 33b, the carrier 35, the supporting portion 36 and the planetary shaft 38 which are in a linked relationship are also When the driving wheel 23 drives the respective planetary gears 39 to rotate, the planetary gears 39 are respectively positioned by the respective planetary gear shafts 38 to be positioned and rotated, and the planetary gears 39 can be driven by the planetary gears 39. The outer ring wheel 41 rotates, and since the second interlocking ring 44 is interlocked with the outer ring wheel 41, the coupling portion 46 formed by reducing the diameter of the second interlocking ring 44 is also rotated. When the brake caliper 32 is clamped against the brake disc 31, the carrier 35 is fixed, and each of the planetary gears 39 rotates in a position to drive the outer ring 41 to rotate. Therefore, the driving wheel 23 and the plurality of planetary wheels 39 are rotated. And the planetary gear formed by the outer ring wheel 41 The system may have a power transmission function to enable the power source device P to transmit power to the transmission T by the power switching device.

Referring to FIG. 5 again, when the power switching device of the present invention is applied to the gear shifting, the brake caliper 32 is not clamped to the brake disk 31, and the at least one block 17 is not correspondingly coupled to the at least one card slot. 34. At this time, the brake disc 31 and the first connecting disc 33a are in a rotatable state, and the second connecting disc 33b, the carrier 35 and the supporting portion 36 forming the interlocking relationship are also rotatable. Therefore, while the driving wheel 23 drives the planetary gears 39 to rotate, each of the planetary gears 39 pushes each of the planetary gear shafts 38, and the planetary carrier shafts 38 drive the carrier 35 to rotate around the driving wheels 23. In the inner rib 42 of the outer ring wheel 41, the outer ring wheel 41 cannot be rotated by the plurality of planet wheels 39, and the power from the power source device P can be switched. Therefore, the driving wheel 23, the number The planetary gear set formed by the planetary gears 39 and the outer ring gear 41 may have a power switching function, because the power source device P cannot transmit power to the gearbox T by the power switching device. Make the gearbox T easy to rotate at a certain speed Gear shift.

In addition, when the power switching device of the present invention is at the end of the gear shift, the brake caliper 32 is clamped against the brake disk 31 to reduce the rotational speed of the brake disk 31, and then the clutch member 13 can be used to at least A card block 17 is gradually coupled to the at least one card slot 34. The shank portion 14 of the clutch member 13 is disposed on the notch 15 of the housing 1 and can be connected to a vehicle computer system (not shown). The operation of the clutch member 13 is controlled by the vehicle computer system (not shown).

In summary, the power switching device of the present invention can form the structure of the planetary gear set, so that power transmission or power switching can be performed by whether or not the brake disk is clamped to the brake disc, which can replace the existing clutch to avoid power. The problem of loss and frustration.

Although the present invention has been disclosed by the above-described preferred embodiments, it is not intended to limit the invention, and it is apparent to those skilled in the art without departing from the spirit and scope of the invention. The various modifications and variations of the embodiments are still within the technical scope of the invention. The scope of the invention is defined by the scope of the appended claims.

Claims (15)

A power switching device includes: a housing having an accommodating space, the accommodating space having a clutch member, the clutch member being disposed by a shank portion in a recess of the accommodating space, the center of the clutch member having a constant hole, and one side of the clutch member has at least one block; a transmission group is disposed in the accommodating space, the transmission group has a sleeve, and the inner tooth system of the sleeve is engaged with one end of a shaft, The other end of the shaft has a driving wheel, the shaft sleeve, the shaft rod and the driving wheel train form a linkage; a shifting wheel set is disposed in the accommodating space, the shifting wheel set has a brake disc, the brake disc The disc may be clamped by a brake caliper having at least one card slot corresponding to the at least one card block, and the other side of the brake disc has a carrier, the brake disc and the carrier Forming a linkage, and the center of the brake disc and the carrier jointly have a shaft hole, and at least one of the planetary axles is non-rotatably disposed in the carrier in an axial direction of the shaft hole, and the at least one planetary axle is provided for each a planetary wheel setting; and one The movable group is disposed in the accommodating space, the interlocking group has an outer ring wheel, the inner ring of the outer ring wheel is provided with internal ribs, and the center of the outer ring wheel has a wheel hole, and the wheel hole is in the outer ring One side of the wheel is reduced in diameter to form a coupling portion, the transmission group penetrates the through hole and the shaft hole, and the driving wheel is placed in the carrier, and the carrier is placed in the wheel hole to make each The planet gear meshes with the drive wheel inside the carrier and meshes with the internal sipe outside the carrier. The power switching device of claim 1, wherein the driving wheel, the at least one planet gear, and the outer ring train form a planetary gear set. The power switching device of claim 1, wherein the bushing is an internal tooth coupling. The power switching device of claim 1, wherein the two sides of the brake disc have a first connecting disc and a second connecting disc. The power switching device of claim 4, wherein the first adapter disk has the at least one card slot on a side facing away from the brake disk. The power switching device of claim 4, wherein the second adapter disk has the carrier on a side facing away from the brake disk. The power switching device of claim 6, wherein the carrier is coupled to the second adapter disk by a support portion. The power switching device of claim 7, wherein the brake disc, the first connecting disc, the second connecting disc, the carrier and the center of the support portion jointly have the shaft hole and form a linkage . The power switching device of claim 1, wherein the at least one planetary axle and the at least one planetary gear are each four in number. The power switching device of claim 1, wherein the two sides of the outer ring have a first interlocking ring and a second linking ring respectively and form a linkage. The power switching device of claim 10, wherein the center of the outer ring wheel, the first linking ring and the second linking ring have the wheel hole. The power switching device according to claim 11, wherein the wheel hole forms the coupling portion by reducing the diameter of the second interlocking ring. The power switching device of claim 1, wherein the brake caliper clamps against the brake disc when not used for gear shifting, and the at least one block is coupled to the at least one card slot. The power switching device of claim 1, wherein when the gear is applied to the gear, the brake caliper is not clamped to the brake disk, and the at least one block is not correspondingly coupled to the at least one card slot. . The power switching device of claim 1, wherein the lever portion is coupled to a vehicle computer system.