CN214617728U - Transmission mechanism with input rotation direction and free output constant rotation direction, oil pump system and vehicle - Google Patents
Transmission mechanism with input rotation direction and free output constant rotation direction, oil pump system and vehicle Download PDFInfo
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- CN214617728U CN214617728U CN202120409683.1U CN202120409683U CN214617728U CN 214617728 U CN214617728 U CN 214617728U CN 202120409683 U CN202120409683 U CN 202120409683U CN 214617728 U CN214617728 U CN 214617728U
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Abstract
The embodiment of the utility model discloses input revolves to drive mechanism, oil pump system and vehicle of free output constant revolve to. The transmission mechanism comprises a driving part, an intermediate transmission part, a first driven part, a second driven part, a first needle roller clutch and a second needle roller clutch; the first driven piece and the second driven piece are coaxially arranged on the output shaft through a second needle roller clutch and a first needle roller clutch respectively; the driving piece is simultaneously in transmission connection with the intermediate transmission piece and the first driven piece, and the intermediate transmission piece is in transmission connection with the second driven piece. The embodiment of the utility model provides a can realize satisfying two directions of drive shaft rotation and the output shaft only keeps the rotatory purpose of a direction under the simple structure, can be applied to electric vehicle, solve present electric vehicle CVT reverse gear in-process oil pump rotation and reverse lead to lubricating system inefficacy, whole car lubrication oil circuit decompression scheduling problem also can be applied to other places that need the output shaft rotation direction to keep unchangeable.
Description
Technical Field
The utility model belongs to the technical field of the relevant technique of vehicle transmission and specifically relates to a drive mechanism, oil pump system and vehicle that input revolves to free output constant and revolve to are related to.
Background
In some transmissions or devices, it is desirable that the direction of rotation of the output shaft does not change with changes in the direction of rotation of the drive shaft, i.e., that the direction of rotation of the output shaft remains fixed as the direction of rotation of the drive shaft changes.
For example, with the rapid development of batteries and electric control technology, the electric vehicle technology is mature day by day, the electric ratio of motor vehicles is further increased, the electric vehicle industry enters the high-speed development period, and the CVT of the electric vehicle is also increasingly mentioned and considered. The CVT structure after the optimized design can drive the reverse rotation of the driving disc and transmit torque through the reverse rotation of the motor when the whole vehicle is in reverse gear, so that the reverse rotation of the output shaft is realized, an additional reverse gear mechanism is not needed to be added at the end of the output shaft, and the simplification of the structure is realized. However, when the whole vehicle is in reverse gear, the whole lubricating system loses the lubricating function under the condition of reverse rotation of the oil pump.
Therefore, it is desirable to provide a transmission mechanism that has a free input rotary direction and a constant output rotary direction.
SUMMERY OF THE UTILITY MODEL
In view of the above, one aspect of the present invention provides a transmission mechanism with free input rotation direction and free output constant rotation direction.
The transmission mechanism for freely outputting the input rotation direction and the constant rotation direction comprises a driving piece, an intermediate transmission piece, a first driven piece, a second driven piece, a first needle roller clutch and a second needle roller clutch; wherein the first follower is mounted on the output shaft through the second needle clutch, and the second follower is mounted on the output shaft through the first needle clutch such that the first follower and the second follower are coaxially arranged; the driving piece is simultaneously in transmission connection with the intermediate transmission piece and the first driven piece, and the intermediate transmission piece is in transmission connection with the second driven piece, so that the first driven piece and the second driven piece can rotate towards different directions under the driving of the driving piece.
According to a preferred embodiment of the present invention, the driving member, the intermediate transmission member, the first driven member and the second driven member are all gears; the driving piece is simultaneously meshed with the intermediate transmission piece and the first driven piece, and the intermediate transmission piece is meshed with the second driven piece, so that the driving piece is in transmission connection with the intermediate transmission piece and the first driven piece and the intermediate transmission piece and the second driven piece in a gear transmission mode.
According to a preferred embodiment of the present invention, the driving member is in transmission connection with the first driven member through a chain transmission; the driving piece and the intermediate transmission piece are in transmission connection in a chain transmission mode; the intermediate transmission part is in transmission connection with the second driven part through gear transmission.
According to a preferred embodiment of the present invention, the driving member is in transmission connection with the first driven member through gear transmission; the driving piece and the intermediate transmission piece are in transmission connection through chain transmission; the intermediate transmission part is in transmission connection with the second driven part through chain transmission.
According to a preferred embodiment of the present invention, the driving member is in transmission connection with the first driven member through a chain transmission; the driving piece is in transmission connection with the intermediate transmission piece through a second gear; the intermediate transmission part is in transmission connection with the second driven part through chain transmission.
According to a preferred embodiment of the present invention, the driving member is simultaneously in transmission connection with the intermediate transmission member and the first driven member through a chain transmission, and the intermediate transmission member is in transmission connection with the second driven member through a chain transmission, so that the first driven member and the second driven member can rotate in different directions under the driving of the driving member.
The utility model also discloses another kind of input revolves to the free transmission mechanism who exports the permanent rotation to.
The transmission mechanism for freely outputting the input rotation direction and the constant rotation direction comprises a driving piece, a first driven piece, a second driven piece, a first needle roller clutch and a second needle roller clutch; the first follower is mounted on the output shaft through the second needle clutch, and the second follower is mounted on the output shaft through the first needle clutch such that the first follower and the second follower are coaxially arranged; wherein, the driving piece is coaxially provided with a driving gear and a driving chain wheel; the first driven piece is a driven gear; the second driven part is a driven chain wheel; the driving gear on the driving piece is meshed with the first driven piece; the driving chain wheel on the driving piece is connected with the second driven piece through a transmission chain; so that the first driven member and the second driven member can rotate in different directions under the driving of the driving member.
Another aspect of the present invention provides an oil pump system adapted for forward and reverse rotation driving.
The oil pump system suitable for forward and reverse rotation driving comprises a transmission mechanism which can freely output constant rotation direction in the input rotation direction; and an output shaft in the transmission mechanism with the input rotary direction freely outputting the constant rotary direction is an oil pump shaft.
Yet another aspect of the present invention provides a vehicle.
The vehicle comprises a transmission mechanism with input rotation direction and free output constant rotation direction as described in any item or an oil pump system which is suitable for forward and reverse rotation driving as described in any item.
Compared with the prior art, the utility model discloses input revolves to the constant drive mechanism who revolves to free output has following beneficial effect:
the transmission mechanism with the input rotation direction freely outputting the constant rotation direction can realize the fixation of the rotation direction of the output shaft when the rotation direction of the driving shaft changes through a simpler structure, and has the advantages of simple structure, easy control, ingenious design, simple and convenient installation, reliable work, low cost and the like; the two-way clutch can be applied to not only electric vehicles, but also other occasions that the input shaft needs to rotate in two directions and the output shaft only needs to rotate in one direction.
Additional features of the invention will be set forth in part in the description which follows. Additional features of the invention will be set forth in part in the description which follows and in part will be apparent to those having ordinary skill in the art upon examination of the following and the accompanying drawings or may be learned from the manufacture or operation of the embodiments. The features of the present disclosure may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Like reference symbols in the various drawings indicate like elements. Wherein the content of the first and second substances,
fig. 1 and 2 are schematic structural diagrams of a transmission mechanism with input rotation direction and free output constant rotation direction according to some embodiments of the invention.
List of reference numerals
1-first follower
2-driving member
3-intermediate transmission member
4-second follower
5-output shaft
6-first needle roller clutch
7-second needle roller clutch
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that if the terms "first", "second", etc. are used in the description and claims of the present invention and in the accompanying drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like are referred to, the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, in the present disclosure, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
An aspect of the embodiment of the utility model discloses a transmission of input rotation direction free output constant rotation direction.
As shown in fig. 1 and 2, the input-rotation-direction free-output constant-rotation-direction transmission mechanism may include a driving member 2, an intermediate transmission member 3, a first driven member 1, a second driven member 4, a first needle clutch 6, and a second needle clutch 7.
Wherein, the driving piece 2 is simultaneously in transmission connection with the intermediate transmission piece 3 and the first driven piece 1, and the intermediate transmission piece 3 is in transmission connection with the second driven piece 4, so that the first driven piece 1 and the second driven piece 4 can rotate towards different directions under the driving of the driving piece 2.
In some embodiments, the transmission connection between the driving member 2 and the intermediate transmission member 3, between the driving member 2 and the first driven member 1, and between the intermediate transmission member 3 and the second driven member 4 can be realized by means of gear transmission.
Exemplarily, as shown in fig. 1 and 2, the driving member 2 is engaged with the intermediate transmission member 3 and the first driven member 1 at the same time, and the intermediate transmission member 3 is engaged with the second driven member 4, so that the driving connection between the driving member 2 and the intermediate transmission member 3 and the first driven member 1 and between the intermediate transmission member 3 and the second driven member 4 is realized by means of gear transmission.
Specifically, the driving member 2, the intermediate transmission member 3, the first driven member 1 and the second driven member 4 are all gears. The driving member 2 is engaged with the intermediate transmission member 3, while the driving member 2 is engaged with the first driven member 1. The intermediate transmission member 3 is engaged with the second driven member 4.
The structure can ensure that the engagement of the intermediate transmission member 3 and the first driven member 1 is opposite to the rotation direction of the driving member 2, and the rotation direction of the second driven member 4 is the same as that of the driving member 2 and is opposite to that of the intermediate transmission member 3. So that the first driven member 1 and the second driven member 4 can be rotated in different directions by the driving of the driving member 2.
In some embodiments, the transmission connection between the driving member 2 and the intermediate transmission member 3, between the driving member 2 and the first driven member 1, and between the intermediate transmission member 3 and the second driven member 4 may be achieved by a combination of gear transmission and chain transmission.
Illustratively, the driving connection between the driving part 2 and the first driven part 1 is realized by a chain transmission mode. The driving part 2 and the intermediate transmission part 3 are in transmission connection in a chain transmission mode. The intermediate transmission member 3 is in transmission connection with the second driven member 4 through gear transmission.
Specifically, a first sprocket structure portion and a second sprocket structure portion are provided coaxially on the driver 2. A third sprocket structure portion is provided on the first driven member 1. A fourth sprocket structure and a first gear structure, which are arranged coaxially, are provided on the intermediate transmission member 3. The second follower 4 is provided with a second gear structure.
The first chain wheel structure part on the driving part 2 is connected with the third chain wheel structure part on the first driven part 1 through a first chain. The second sprocket structure on the driving member 2 is connected to the fourth sprocket structure on the intermediate transmission member 3 via a second chain. The first gear structure on the intermediate transmission member 3 meshes with the second gear structure on the second driven member 4.
Through the structure, the rotation directions of the first driven part 1 and the intermediate transmission part 3 are the same as the rotation direction of the driving part 2, and the rotation direction of the second driven part 4 is opposite to the rotation direction of the intermediate transmission part 3. So that the first driven member 1 and the second driven member 4 can be rotated in different directions by the driving of the driving member 2.
Illustratively, the driving member 2 and the first driven member 1 are in transmission connection through gear transmission. The driving part 2 and the intermediate transmission part 3 are in transmission connection through chain transmission. The intermediate transmission member 3 and the second driven member 4 are in transmission connection through chain transmission.
In particular, a third gear structure and a fifth sprocket structure are provided coaxially on the driver 2. The first follower 1 is provided with a fourth gear structure. A sixth sprocket structure and a seventh sprocket structure, which are arranged coaxially, are provided on the intermediate transmission member 3. An eighth sprocket structure is provided on the second follower 4.
The third gear structure on the driver 2 and the fourth gear structure on the first driven member 1 are meshed with each other. The fifth chain wheel structure part on the driving part 2 is connected with the sixth chain wheel structure part on the intermediate transmission part 3 through a third chain. The seventh chain wheel structure part on the intermediate transmission member 3 is connected with the eighth chain wheel structure part on the second driven member 4 through a fourth chain.
Through the structure, the rotating direction of the first driven part 1 is opposite to that of the driving part 2, the rotating direction of the driving part 2 is the same as that of the intermediate transmission part 3, and the rotating direction of the second driven part 4 is the same as that of the intermediate transmission part 3 and that of the driving part 2. So that the first driven member 1 and the second driven member 4 can be rotated in different directions by the driving of the driving member 2.
Illustratively, the driving connection between the driving member 2 and the first driven member 1 is realized by a chain transmission. The driving part 2 is in transmission connection with the intermediate transmission part 3 through a second gear. The intermediate transmission member 3 and the second driven member 4 are in transmission connection through chain transmission.
In particular, a ninth sprocket arrangement and a fifth gear arrangement, which are arranged coaxially, are provided on the driver 2. A tenth sprocket structural part is provided on the first follower 1. An eleventh sprocket arrangement and a sixth gear arrangement, which are arranged coaxially, are provided on the intermediate transmission 3. The second follower 4 is provided with a twelfth sprocket structural part.
The ninth chain wheel structure part on the driving part 2 is connected with the tenth chain wheel structure part on the first driven part 1 through a fifth chain. The fifth gear structure on the drive element 2 meshes with the sixth gear structure on the intermediate transmission element 3. The eleventh sprocket structure part on the intermediate transmission member 3 and the twelfth sprocket structure part on the second driven member 4 are connected by a sixth chain.
Through the structure, the driving part 2 and the first driven part 1 can rotate in the same direction, the driving part 2 and the intermediate transmission part 3 rotate in opposite directions, and the intermediate transmission part 3 and the second driven part 4 rotate in the same direction. So that the first driven member 1 and the second driven member 4 can be rotated in different directions by the driving of the driving member 2.
In some embodiments, the drive connection between the driving member 2 and the intermediate transmission member 3, between the driving member 2 and the first driven member 1, and between the intermediate transmission member 3 and the second driven member 4 may be realized by means of chain transmission.
For example, the drive element 2 is in driving connection with both the intermediate transmission element 3 and the first driven element 1 via a chain drive, and the intermediate transmission element 3 is in driving connection with the second driven element 4 via a chain drive, so that the first driven element 1 and the second driven element 4 can be rotated in different directions by driving the drive element 2.
Specifically, a thirteenth sprocket structure portion and a fourteenth sprocket structure portion are provided coaxially on the driver 2. A fifteenth sprocket structural portion is provided on the first follower 1. A sixteenth sprocket structure part is provided on the intermediate transmission member 3. A seventeenth sprocket structure is provided on the second follower 4.
The thirteenth sprocket structure part on the driving member 2 is connected with the fifteenth sprocket structure part on the first driven member 1 by a seventh chain.
The fourteenth chain wheel structure part on the driving part 2 is connected with the sixteenth chain wheel structure part on the intermediate transmission part 3 through an eighth chain. The seventeenth sprocket structural part on the second follower 4 meshes with the outside of the eighth chain from the outside. That is, the inner side of the eighth chain is meshed with the fourteenth chain wheel structure part on the driving member 2 and the sixteenth chain wheel structure part on the intermediate transmission member 3, and the outer side of the eighth chain is meshed with the seventeenth chain wheel structure part on the second driven member 4.
By the structure, the rotation directions of the intermediate transmission member 3 and the first driven member 1 are the same as the rotation direction of the driving member 2, and the rotation direction of the second driven member 4 is opposite to the rotation directions of the intermediate transmission member 3 and the first driven member 1 and the driving member 2. So that the first driven member 1 and the second driven member 4 can be rotated in different directions by the driving of the driving member 2.
Wherein the first follower 1 is mounted on the output shaft 5 through the second needle clutch 7, and the second follower 4 is mounted on the output shaft 5 through the first needle clutch 6, so that the first follower 1 and the second follower 4 are coaxially arranged.
When the driving member 2 rotates in one direction (forward direction), the first driven member 1 and the second driven member 4 can be driven to rotate in different directions respectively, and torque transmission in one rotation direction (the first driven member 1 or the second driven member 4) and torque isolation in the other rotation direction (the second driven member 4 or the first driven member 1) are realized through the second needle roller clutch 7 in the first driven member 1 and the first needle roller clutch 6 in the second driven member 4. When the driving part 2 rotates reversely, the first driven part 1 and the second driven part 4 can be driven to rotate reversely, the first needle roller clutch 6 and the second needle roller clutch 7 realize the switching of torque transmission and idle rotation, so that the torque transmission in the other rotating direction (the second driven part 4 or the first driven part 1) is realized, the torque in the just starting rotating direction (forward direction) is isolated (the first driven part 1 or the second driven part 4), the switching of a driving power transmission path is realized, and the purpose that the rotating direction of the output shaft 5 is not changed is achieved.
The embodiment of the utility model provides a still disclose another kind of input revolve to freely export permanent rotation to drive mechanism.
The transmission mechanism with the input rotation direction and the free output constant rotation direction comprises a driving piece 2, a first driven piece 1, a second driven piece 4, a first needle clutch 6 and a second needle clutch 7. The first follower 1 is mounted on the output shaft 5 through the second needle clutch 7, and the second follower 4 is mounted on the output shaft 5 through the first needle clutch 6, so that the first follower 1 and the second follower 4 are coaxially arranged. Wherein, a driving gear and a driving chain wheel are coaxially arranged on the driving piece 2. The first follower 1 is a driven gear. The second follower 4 is a driven sprocket. The driving gear on the driving member 2 is engaged with the first driven member 1. The driving chain wheel on the driving part 2 is connected with the second driven part 4 through a transmission chain. So that the first driven member 1 and the second driven member 4 can rotate in different directions under the driving of the driving member 2.
When the driving member 2 rotates in one direction (forward direction), the first driven member 1 and the second driven member 4 can be driven to rotate in different directions respectively, and torque transmission in one rotation direction (the first driven member 1 or the second driven member 4) and torque isolation in the other rotation direction (the second driven member 4 or the first driven member 1) are realized through the second needle roller clutch 7 in the first driven member 1 and the first needle roller clutch 6 in the second driven member 4. When the driving part 2 rotates reversely, the first driven part 1 and the second driven part 4 can be driven to rotate reversely, the first needle roller clutch 6 and the second needle roller clutch 7 realize the switching of torque transmission and idle rotation, so that the torque transmission in the other rotating direction (the second driven part 4 or the first driven part 1) is realized, the torque in the just starting rotating direction (forward direction) is isolated (the first driven part 1 or the second driven part 4), the switching of a driving power transmission path is realized, and the purpose that the rotating direction of the output shaft 5 is not changed is achieved.
In summary, the transmission mechanism of the embodiment of the present invention can realize the purpose of satisfying the rotation of the driving shaft in two directions and the rotation of the output shaft in only one direction under a simple structure. The transmission mechanism which freely outputs the input rotation direction and the constant rotation direction has the advantages of simple structure, easy control, ingenious design, simple and convenient installation, reliable work, low cost and the like; the two-way clutch can be applied to not only electric vehicles, but also other occasions that the input shaft needs to rotate in two directions and the output shaft only needs to rotate in one direction. The electric vehicle is suitable for batch use in electric vehicles and other occasions due to simple structure, reliable function and low cost. Additionally, the utility model discloses input revolves to the drive mechanism of free output constant rotation to, can be applied to electric vehicle's oil pump transmission and arrange, can be applied to other aspects of electric vehicle, or be applied to the vehicle and need satisfy two directions rotations of drive shaft and the output shaft only keeps the other places of a direction rotation, perhaps other needs satisfy two directions rotations of drive shaft and the output shaft only keeps the place of a direction rotation.
The problems that a lubricating system fails and a lubricating oil way of the whole vehicle loses pressure and the like due to reverse rotation of an oil pump in the reverse gear process of the existing CVT of the electric vehicle are solved.
The embodiment of the utility model provides a another aspect discloses an adaptation positive reverse drive's oil pump system.
The utility model discloses adaptation positive and negative rotation driven oil pump system's technical scheme principle is:
one driven part is in transmission connection with the driving part, the other driven part is in transmission connection with the driving part through an intermediate transmission part, and the rotation directions of the two driven parts are opposite under the driving of the driving part. The two driven parts are respectively connected with the oil pump shaft through the needle roller clutches, and unidirectional torque transmission is realized. When the driving piece rotates in the forward direction, the two driven pieces respectively realize rotation in two directions (one rotation in the forward direction and the other rotation in the reverse direction), the gear driving oil pump shaft rotating in one direction is realized through the needle roller clutch, and the driven piece rotating in the other direction idles. When the driving piece rotates reversely, the two driven gears are respectively reversed, and the needle roller clutch realizes the switching of the torque transmission gears, so that the rotating direction of the oil pump shaft is kept unchanged.
Specifically, the oil pump system suitable for forward and reverse rotation driving comprises the transmission mechanism which can freely output constant rotation direction in the input rotation direction. Wherein, the output shaft 5 of the transmission mechanism with the input rotary direction free output and the constant rotary direction is an oil pump shaft.
Preferably, in the present embodiment, the transmission connection between the driving member 2 and the intermediate transmission member 3, between the driving member 2 and the first driven member 1, and between the intermediate transmission member 3 and the second driven member 4 can be realized by a gear transmission manner.
Exemplarily, as shown in fig. 1 and 2, the driving member 2 is engaged with the intermediate transmission member 3 and the first driven member 1 at the same time, and the intermediate transmission member 3 is engaged with the second driven member 4, so that the driving connection between the driving member 2 and the intermediate transmission member 3 and the first driven member 1 and between the intermediate transmission member 3 and the second driven member 4 is realized by means of gear transmission. Specifically, the driving member 2, the intermediate transmission member 3, the first driven member 1 and the second driven member 4 are all gears. The driving member 2 is engaged with the intermediate transmission member 3, while the driving member 2 is engaged with the first driven member 1. The intermediate transmission member 3 is engaged with the second driven member 4.
Alternatively, the transmission mechanism which freely outputs a constant rotational direction in the input rotational direction includes a driving member 2, a first driven member 1, a second driven member 4, a first needle clutch 6, and a second needle clutch 7. The first follower 1 is mounted on the output shaft 5 through the second needle clutch 7, and the second follower 4 is mounted on the output shaft 5 through the first needle clutch 6, so that the first follower 1 and the second follower 4 are coaxially arranged. Wherein, a driving gear and a driving chain wheel are coaxially arranged on the driving piece 2. The first follower 1 is a driven gear. The second follower 4 is a driven sprocket. The driving gear on the driving member 2 is engaged with the first driven member 1. The driving chain wheel on the driving part 2 is connected with the second driven part 4 through a transmission chain. So that the first driven member 1 and the second driven member 4 can rotate in different directions under the driving of the driving member 2.
By adopting the technical scheme, when the driving piece 2 rotates in one direction (positive direction), the first driven piece 1 and the second driven piece 4 can be respectively driven to rotate in different directions, and the torque transmission in one rotating direction (the first driven piece 1 or the second driven piece 4) and the torque isolation in the other rotating direction (the second driven piece 4 or the first driven piece 1) are realized through the second needle roller clutch 7 in the first driven piece 1 and the first needle roller clutch 6 in the second driven piece 4. When the driving part 2 rotates reversely, the first driven part 1 and the second driven part 4 can be driven to rotate reversely, the first needle roller clutch 6 and the second needle roller clutch 7 realize the switching between torque transmission and idle rotation, so that the torque transmission in the other rotating direction (the second driven part 4 or the first driven part 1) is realized, the torque in the just starting rotating direction (forward direction) is isolated (the first driven part 1 or the second driven part 4), the switching of a driving power transmission path is realized, and the purpose that the rotating direction of the oil pump shaft is not changed is achieved.
The utility model discloses adaptation positive and negative rotation driven oil pump system can realize satisfying two orientations of drive shaft rotation and the output shaft only keeps the rotatory purpose of an orientation under simple structure, solves present electric vehicle CVT reverse gear in-process oil pump rotation reversal and leads to lubricating system inefficacy, and whole car lubricating oil circuit decompression scheduling problem has satisfied the structural demand that the electric automobile oil pump arranged. And, the utility model discloses adaptation positive and negative rotation driven oil pump system simple structure, the function is reliable, and relative low cost is fit for electric vehicle's batch use.
The embodiment of the utility model provides a further aspect discloses a vehicle.
The vehicle comprises a transmission mechanism with input rotation direction and free output constant rotation direction as described in any item or an oil pump system which is suitable for positive and negative rotation driving as described in any item.
By adopting the transmission mechanism which inputs the rotation direction and freely outputs the constant rotation direction or the oil pump system which is suitable for forward and reverse rotation driving, the vehicle can adopt the transmission mechanism which has simple integral structure, easy control, ingenious design, simple and convenient installation, reliable work and low cost to realize the function that the rotation direction of the oil pump shaft keeps unchanged when the motor rotates reversely to drive the reverse rotation of the driving disc and transmit the torque, thereby solving the problems that the lubricating system fails due to the reverse rotation of the oil pump in the reverse gear process of the CVT of the electric vehicle at present, the lubricating oil circuit of the whole vehicle loses pressure and the like.
It should be noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
In addition, the above embodiments are exemplary, and those skilled in the art can devise various solutions in light of the disclosure, which are also within the scope of the disclosure and the protection scope of the present invention. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Claims (9)
1. The transmission mechanism is characterized by comprising a driving piece (2), an intermediate transmission piece (3), a first driven piece (1), a second driven piece (4), a first needle roller clutch (6) and a second needle roller clutch (7);
wherein the first driven member (1) is mounted on the output shaft (5) by the second needle clutch (7), and the second driven member (4) is mounted on the output shaft (5) by the first needle clutch (6) such that the first driven member (1) and the second driven member (4) are coaxially arranged;
the driving part (2) is simultaneously in transmission connection with the intermediate transmission part (3) and the first driven part (1), and the intermediate transmission part (3) is in transmission connection with the second driven part (4), so that the first driven part (1) and the second driven part (4) can rotate in different directions under the driving of the driving part (2).
2. The input-rotary-direction free-output constant-rotary-direction transmission mechanism according to claim 1, wherein the driving member (2), the intermediate transmission member (3), the first driven member (1) and the second driven member (4) are all gears;
the driving part (2) is simultaneously meshed with the intermediate transmission part (3) and the first driven part (1), and the intermediate transmission part (3) is meshed with the second driven part (4), so that the driving part (2) is in transmission connection with the intermediate transmission part (3) and the first driven part (1) and the intermediate transmission part (3) and the second driven part (4) in a gear transmission mode.
3. The input-rotary-direction free-output constant-rotary-direction transmission mechanism according to claim 1,
the driving part (2) is in transmission connection with the first driven part (1) in a chain transmission mode;
the driving piece (2) is in transmission connection with the intermediate transmission piece (3) in a chain transmission mode;
the intermediate transmission part (3) is in transmission connection with the second driven part (4) through gear transmission.
4. The input-rotary-direction free-output constant-rotary-direction transmission mechanism according to claim 1,
the driving piece (2) is in transmission connection with the first driven piece (1) through gear transmission;
the driving piece (2) is in transmission connection with the intermediate transmission piece (3) through chain transmission;
the intermediate transmission part (3) is in transmission connection with the second driven part (4) through chain transmission.
5. The input-rotary-direction free-output constant-rotary-direction transmission mechanism according to claim 1,
the driving piece (2) is in transmission connection with the first driven piece (1) through chain transmission;
the driving piece (2) is in transmission connection with the intermediate transmission piece (3) through a second gear;
the intermediate transmission part (3) is in transmission connection with the second driven part (4) through chain transmission.
6. The input-rotary-direction free-output constant-rotary-direction transmission mechanism according to claim 1,
the driving part (2) is in transmission connection with the intermediate transmission part (3) and the first driven part (1) through a chain transmission, and the intermediate transmission part (3) is in transmission connection with the second driven part (4) through a chain transmission, so that the first driven part (1) and the second driven part (4) can rotate in different directions under the driving of the driving part (2).
7. The transmission mechanism is characterized by comprising a driving piece (2), a first driven piece (1), a second driven piece (4), a first needle roller clutch (6) and a second needle roller clutch (7);
the first driven member (1) is mounted on the output shaft (5) through the second needle clutch (7), and the second driven member (4) is mounted on the output shaft (5) through the first needle clutch (6) such that the first driven member (1) and the second driven member (4) are coaxially arranged;
wherein the driving piece (2) is coaxially provided with a driving gear and a driving chain wheel; the first driven part (1) is a driven gear; the second driven part (4) is a driven chain wheel; the driving gear on the driving part (2) is meshed with the first driven part (1); the driving chain wheel on the driving part (2) is connected with the second driven part (4) through a transmission chain; so that the first driven part (1) and the second driven part (4) can rotate in different directions under the driving of the driving part (2).
8. An oil pump system adapted to be driven in forward and reverse rotation, comprising a transmission mechanism according to any one of claims 1 to 7 for freely outputting a constant rotational direction in an input rotational direction;
and an output shaft (5) in the transmission mechanism with the input rotary direction freely outputting the constant rotary direction is an oil pump shaft.
9. A vehicle comprising an input-rotational-direction free-output constant-rotational-direction transmission mechanism according to any one of claims 1 to 7 or an oil pump system accommodating forward and reverse rotation drive according to claim 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120409683.1U CN214617728U (en) | 2021-02-24 | 2021-02-24 | Transmission mechanism with input rotation direction and free output constant rotation direction, oil pump system and vehicle |
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| CN202120409683.1U CN214617728U (en) | 2021-02-24 | 2021-02-24 | Transmission mechanism with input rotation direction and free output constant rotation direction, oil pump system and vehicle |
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| CN214617728U true CN214617728U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833155A (en) * | 2021-02-24 | 2021-05-25 | 成都冠为科技有限公司 | Transmission mechanism with input rotation direction and free output constant rotation direction, oil pump system and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833155A (en) * | 2021-02-24 | 2021-05-25 | 成都冠为科技有限公司 | Transmission mechanism with input rotation direction and free output constant rotation direction, oil pump system and vehicle |
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Effective date of registration: 20230103 Address after: No. 155, Yungang Avenue, Luohuang Town, Jiangjin District, Chongqing 402283 Patentee after: CHONGQING WANHU MECHANICAL AND ELECTRICAL Co.,Ltd. Address before: No.2, 4th floor, No.1 building, group G, headquarters economic port, Chengdu Economic and Technological Development Zone, Chengdu, Sichuan 610000 Patentee before: Chengdu Guanwei Technology Co.,Ltd. |
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