CN214689029U

CN214689029U - Transmission power transmission device and automobile

Info

Publication number: CN214689029U
Application number: CN202120238826.7U
Authority: CN
Inventors: 李本军; 崔东伟; 张会文; 刘海波; 曹维; 潘宇鹏; 胡星星; 康斌; 王阳光; 安荡; 李利
Original assignee: Haima Motor Corp; Haima New Energy Vehicle Co Ltd
Current assignee: Haima Motor Corp; Haima New Energy Vehicle Co Ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-11-12
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a transmission power transmission device and an automobile, relating to the field of transmission structures; the transmission device comprises a motor, a double clutch and a power transmission mechanism. A first clutch is integrated on a rotor of the motor and is used for being separated from or connected with an output end of the engine; the double clutches comprise a second clutch and a third clutch; the power transmission mechanism comprises an inner input shaft, an outer input shaft, a power transmission component and an output shaft assembly, wherein the inner input shaft is separated from or jointed with the second clutch, the outer input shaft is separated from or jointed with the third clutch, the outer input shaft is sleeved outside the inner input shaft in a hollow mode, the output shaft assembly is arranged coaxially with the inner input shaft and the outer input shaft, and the power transmission component is jointed with the inner input shaft or the outer input shaft so as to transmit power input by the inner input shaft or the outer input shaft to the output shaft assembly. The device has the advantages of compact structure, small overall size, low cost, stronger dynamic property and better fuel economy.

Description

Transmission power transmission device and automobile

Technical Field

The utility model relates to a derailleur structure field particularly, relates to a derailleur power transmission and car.

Background

With the energy shortage and the stricter requirements of the state on the automobile emission, and the disadvantages of high battery cost, limited charging, short driving mileage of the whole automobile and the like of the pure electric automobile, the hybrid power device combining the engine technology and the motor technology is more and more favored by various large automobile enterprises.

The existing hybrid power system is generally provided with a plurality of transverse devices, the adopted structure is mostly in a structure form that an engine and a motor are distributed, and the power transmission device mainly comprises a continuously variable automatic transmission (CVT), a hydraulic Automatic Transmission (AT), a mechanical automatic transmission (AMT) and the like, and has the defects of low transmission efficiency, large torque limitation, poor economy and the like. For a longitudinally arranged transmission, particularly a hybrid longitudinally arranged transmission, the number of vehicle enterprises is small, and the problems of large size, large structure and high cost of the conventional longitudinally arranged transmission are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a indulge derailleur power transmission who puts, its compact structure, whole size is little, and is with low costs, and dynamic nature is stronger, and fuel economy is better.

Another object of the present invention is to provide a vehicle including the above transmission power transmission device, which has the advantages of compact structure, small size, low cost and sufficient power.

The embodiment of the utility model is realized like this:

in a first aspect, the present invention provides a transmission power transmission device, including:

the motor is provided with a first clutch integrated on a rotor of the motor, and the first clutch is used for being separated from or connected with the output end of the engine;

the double clutches comprise a second clutch and a third clutch which are coaxially arranged with the first clutch, and the second clutch and the third clutch can be selectively separated from or connected with an output shaft of the motor;

the power transmission mechanism comprises an inner input shaft, an outer input shaft, a power transmission component and an output shaft assembly, wherein the inner input shaft is separated from or jointed with the second clutch, the outer input shaft is separated from or jointed with the third clutch, the outer input shaft is sleeved outside the inner input shaft in a hollow mode, the output shaft assembly is arranged coaxially with the inner input shaft and the outer input shaft, and the power transmission component is jointed with the inner input shaft or the outer input shaft so as to transmit power input by the inner input shaft or the outer input shaft to the output shaft assembly.

In an alternative embodiment, the power transmission assembly includes eight forward gear assemblies, a countershaft, a reverse shaft, and a reverse gear assembly;

the eight forward gear components are respectively a first gear component, a second gear component, a third gear component, a fourth gear component, a fifth gear component, a sixth gear component, a seventh gear component and an eighth gear component, and the sixth gear component is fixedly connected with the output shaft assembly; the first gear component, the third gear component, the fifth gear component and the seventh gear component sequentially pass through the outer input shaft, the intermediate shaft and the sixth gear component and then transmit power to the output shaft assembly; the second gear component, the fourth gear component and the eighth gear component sequentially pass through the inner input shaft, the intermediate shaft and the sixth gear component and then transmit power to the output shaft assembly; the reverse gear component is connected with the second gear component, and power is transmitted to the output shaft assembly after the reverse gear component and the second gear component sequentially pass through the inner input shaft, the second gear component, the reverse gear shaft and the sixth gear component.

In an optional embodiment, the first gear assembly, the second gear assembly, the third gear assembly, the fourth gear assembly, the fifth gear assembly, the sixth gear assembly, the seventh gear assembly and the eighth gear assembly comprise driving wheels and driven wheels which are in meshing transmission;

the driving wheels of the first gear component, the third gear component, the fifth gear component and the seventh gear component are sleeved outside the outer input shaft, and the driven wheels of the first gear component, the third gear component, the fifth gear component and the seventh gear component are sleeved outside the intermediate shaft in a free manner;

the driving wheels of the second gear component and the fourth gear component are sleeved outside the inner input shaft, the driven wheel of the eighth gear component is sleeved outside the inner input shaft in an empty mode, and the driven wheel of the sixth gear component is fixedly connected with the output shaft assembly; two keep off the subassembly and keep off the subassembly with four and empty the cover in the outside of jackshaft from the driving wheel, six keep off the subassembly and eight keep off the outside that the jackshaft was located to the action wheel cover of subassembly.

In an alternative embodiment, the reverse assembly includes a reverse driven wheel, a reverse idler wheel, and a reverse synchronizer;

the reverse gear idle wheel is sleeved outside the reverse gear shaft and is in meshed transmission with a driven wheel of the six-gear component; the reverse gear driven wheel is sleeved outside the reverse gear shaft in a free manner and is in meshed transmission with the driven wheel of the secondary gear assembly; the reverse gear synchronizer is arranged on the reverse gear shaft and is used for being separated from or connected with the reverse gear driven wheel, so that when the reverse gear driven wheel is connected with the reverse gear driven wheel, power transmitted to the reverse gear driven wheel from the driven wheel of the two-gear component is transmitted to the reverse gear idler wheel through the reverse gear shaft, and the power is directly transmitted to the output shaft assembly through the driven wheel of the six-gear component continuously.

In an optional embodiment, the intermediate shaft is also provided with a first synchronizer, a second synchronizer and a third synchronizer;

a first synchronizer is positioned between the first gear assembly and the third gear assembly and is used for selectively engaging or disengaging with a driven wheel of the first gear assembly or a driven wheel of the third gear assembly; a second synchronizer is disposed between the seventh gear assembly and the fifth gear assembly for selective engagement with a driven wheel of the seventh gear assembly or a driven wheel of the fifth gear assembly; a third synchronizer is located between the second gear assembly and the fourth gear assembly for selective engagement with the driven wheel of the second gear assembly or the driven wheel of the fourth gear assembly.

In an alternative embodiment, a fourth synchronizer is also provided on the inner input shaft and is located between the eight and six speed assemblies for selective engagement with the driven wheels of the eight or six speed assemblies.

In an alternative embodiment, the transmission power transmission device further comprises a case, and the power transmission mechanism is arranged in the case; the box body comprises a front box body and a rear box body which are oppositely arranged at intervals; the motor is arranged outside the box body and is adjacent to the front box body; the first blocking component is arranged close to the front box body; the output shaft assembly is arranged close to the rear box body; the inner input shaft, the outer input shaft and the middle shaft are longitudinally arranged in an extending manner in the direction from the front box body to the rear box body; the outer input shaft is sleeved outside the inner input shaft in a hollow mode and is supported on the front box body; the two ends of the inner input shaft and the middle shaft are respectively supported on the front box body and the rear box body.

In an optional embodiment, a middle connecting plate is further arranged in the box body, is arranged between the front box body and the rear box body and is parallel to the front box body and the rear box body; the inner input shaft and the middle shaft are also supported on the middle connecting plate, and two ends of the reverse gear shaft are supported and arranged on the middle connecting plate and the rear box body;

in the direction from the front box body to the middle yoke plate, the first gear component, the third gear component, the seventh gear component and the fifth gear component are sequentially arranged; two keep off the subassembly, eight keep off the subassembly and six keep off the subassembly and set gradually in the direction of well yoke plate to back box, keep off the subassembly and set up near well yoke plate.

In an optional embodiment, two ends of the intermediate shaft are supported on the front box body and the rear box body through bearings, a parking ratchet wheel is further arranged at the position where the intermediate shaft extends out of the rear box body, and the parking ratchet wheel is sleeved on the outer side of the intermediate shaft and is rigidly connected with the intermediate shaft.

In a second aspect, the present invention provides an automobile, comprising:

the transmission power transmission device of any one of the preceding embodiments, an engine having an output engaged with or disengaged from the first clutch integrated on the rotor of the electric machine, and a differential in coupling engagement with an output shaft assembly of the transmission power transmission device.

The embodiment of the utility model has following advantage or beneficial effect at least:

an embodiment of the utility model provides a derailleur power transmission, it includes motor, double clutch and power transmission mechanism. A first clutch is integrated on a rotor of the motor and is used for being separated from or connected with an output end of the engine; the double clutches comprise a second clutch and a third clutch which are coaxially arranged with the first clutch, and the second clutch and the third clutch can be selectively separated from or connected with an output shaft of the motor; the power transmission mechanism comprises an inner input shaft, an outer input shaft, a power transmission component and an output shaft assembly, wherein the inner input shaft is separated from or jointed with the second clutch, the outer input shaft is separated from or jointed with the third clutch, the outer input shaft is sleeved outside the inner input shaft in a hollow mode, the output shaft assembly is arranged coaxially with the inner input shaft and the outer input shaft, and the power transmission component is jointed with the inner input shaft or the outer input shaft so as to transmit power input by the inner input shaft or the outer input shaft to the output shaft assembly. This derailleur power transmission is indulged derailleur of putting, it is integrated inside the motor with first clutch, can realize the joint or the separation of motor and engine output, be convenient for realize the switching of motor and engine mode, simultaneously, the output of motor passes through second clutch and third clutch respectively with interior input shaft and outer input shaft, in order to realize the power take off of each fender position, can be on the basis that does not change traditional driving custom, make the whole size of derailleur littleer, the compactness is higher, the reliability is better, the cost is lower, power is stronger.

An embodiment of the utility model provides a car is still provided, and it includes foretell derailleur power transmission, therefore also has compact structure, small in size, with low costs and the sufficient advantage of power.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a transmission power transmission device according to an embodiment of the present invention.

100-Transmission Power train; 101-a motor; 103-a first clutch; 105-a dual clutch; 107-second clutch; 109-a third clutch; 111-a power transmission mechanism; 113-an inner input shaft; 115-an outer input shaft; 117-intermediate shaft; 119-an output shaft assembly; 128-first gear drive wheel; 129-first gear driven wheel; 130-two-gear driving wheel; 131-two secondary driven wheels; 132-three-gear driving wheel; 133-three-gear driven wheel; 134-four-gear driving wheel; 135-fourth gear driven wheel; 136-five gear driving wheel; 137-five gear driven wheel; 138-six-gear driving wheel; 139-six-gear driven wheel; 140-seven-gear driving wheel; 141-seven gear driven wheels; 142-eight speed driving wheels; 143-eight gears driven wheel; 144-a first synchronizer; 145-a second synchronizer; 146-a third synchronizer; 147-a fourth synchronizer; 149-reverse gear shaft; 150-reverse idler gear; 151-reverse gear driven wheel; 152-front box body; 153-rear box; 154-middle yoke plate; 155-parking ratchet wheel; 156 — reverse synchronizer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 is a schematic structural diagram of a transmission power transmission device 100 according to the present embodiment. Referring to fig. 1, the present embodiment provides a transmission power transmission device 100, where the transmission power transmission device 100 is mainly applied in the field of automobiles, and is specifically applied in automobiles with hybrid power systems, and an input end of the transmission power transmission device is connected to an output end of an engine in an automobile, and an output end of the transmission power transmission device is connected to a differential, so as to output power of each gear. Of course, in other embodiments, the present invention may also be applied to other types of automobiles, and the present embodiment is not limited thereto.

In detail, referring to fig. 1 again, in the present embodiment, a first clutch 103 is integrated on the rotor of the motor 101, and the first clutch 103 is used for separating or connecting with the output end of the engine. By so doing, switching between the motor 101 and the engine mode can be facilitated, making the engagement between the entire transmission power transmission device 100 and the engine more compact and reliable.

In detail, the dual clutch 105 includes a second clutch 107 and a third clutch 109 coaxially disposed with the first clutch 103, and the second clutch 107 and the third clutch 109 are selectively disengaged or engaged with the output shaft of the motor 101. Through the arrangement of the double clutch 105, the transmission and the motor 101 can be highly integrated, so that the overall dynamic performance of the whole transmission power transmission device 100 is ensured, and the size, the weight and the cost can be correspondingly reduced.

In detail, the power transmission mechanism 111 includes an inner input shaft 113, an outer input shaft 115, power transmission components, and an output shaft assembly 119. Wherein, the inner input shaft 113 is separated from or connected with the second clutch 107, the outer input shaft 115 is separated from or connected with the third clutch 109, only one of the second clutch 107 and the third clutch 109 is in a connection state with the output end of the motor 101 at the same time, and the other is separated from the output end of the motor 101, so as to complete the transmission of power from the double clutch 105 to the inner input shaft 113 or the outer input shaft 115, namely, the power of the motor 101 can be alternatively output, so as to select and adjust different gears.

Meanwhile, the inner input shaft 113 and the outer input shaft 115 are arranged in parallel, the outer input shaft 115 is sleeved outside the inner input shaft 113 in a hollow mode, and the output shaft assembly 119 is arranged coaxially with the inner input shaft 113 and the outer input shaft 115, so that the whole transmission power transmission mechanism 111 is arranged longitudinally, and the transmission power transmission mechanism is different from the transverse transmission mechanism in the prior art. And the power transmission component can be connected with the inner input shaft 113 or the outer input shaft 115, so that the power input by the inner input shaft 113 or the outer input shaft 115 can be transmitted to the output shaft assembly 119, so as to be connected with a differential, so that the power output of each gear can be realized, and no matter which gear is selected, the power transmission component can transmit the power to the output shaft assembly 119 through the inner input shaft 113 or the outer input shaft 115. And then can be on the basis that does not change traditional driving habit through setting up like this for the whole size of derailleur is littleer, and the compactedness is higher, and the reliability is better, and the cost is lower, and power is stronger.

Referring again to fig. 1, in the present embodiment, the power transmission mechanism 111 includes eight forward gear assemblies, a countershaft 117, a reverse gear shaft 149 and a reverse gear assembly. The intermediate shaft 117 and the reverse gear shaft 149 are parallel to the inner input shaft 113 and the outer input shaft 115 and are arranged at intervals, the eight forward gear components are respectively a first gear component, a second gear component, a third gear component, a fourth gear component, a fifth gear component, a sixth gear component, a seventh gear component and an eighth gear component, wherein the sixth gear component is fixedly connected with the output shaft assembly 119, so that the sixth gear component can directly transmit power to the output shaft assembly 119 through the inner input shaft 113. The odd-numbered gear component is connected with the outer input shaft 115 so as to transmit power to the intermediate shaft 117 through the outer input shaft 115 and transmit the power to the output shaft assembly 119 through the six-gear component so as to output the power; that is, the third clutch 109 controls the first, third, fifth, and seventh gears, and the power of the corresponding gear can be output through the sixth gear assembly. The even-numbered gear component is connected with the inner input shaft 113, and the two gear component, the fourth gear component and the eighth gear component can transmit power to the output shaft assembly 119 after sequentially passing through the inner input shaft 113, the intermediate shaft 117 and the sixth gear component; that is, the second clutch 107 controls the second, fourth, sixth, and eighth gears to facilitate selection and adjustment of the gears, thereby making the entire power transmission mechanism 111 more compact.

Meanwhile, the first gear component, the third gear component, the fifth gear component and the seventh gear component transmit power to the output shaft assembly 119 through the outer input shaft 115, the intermediate shaft 117 and the sixth gear component in sequence; the sixth gear component can directly transmit power to the output shaft assembly 119 through the inner input shaft 113; the second gear component, the fourth gear component and the eighth gear component transmit power to the output shaft assembly 119 sequentially through the inner input shaft 113, the intermediate shaft 117 and the sixth gear component. The reverse gear component is arranged on the reverse gear shaft 149 and can be matched with the two gear components, and power is transmitted to the output shaft assembly 119 after the reverse gear component sequentially passes through the inner input shaft 113, the two gear components, the reverse gear shaft 149 and the six gear components, so that reverse gear output is realized. That is, in the eight forward gear assemblies provided in the embodiment, the sixth gear assembly can be used as an intermediate transmission assembly, and the sixth gear assembly can not only directly transmit power to the output shaft assembly 119 when the sixth gear is selected, but also transmit power of other gears to the output shaft assembly 119 through transmission of the structure of the sixth gear assembly when other gears are selected. Meanwhile, when the reverse gear assembly is selected, the two-gear assembly and the six-gear assembly can be simultaneously used as power transmission parts of the reverse gear assembly so as to output power when the reverse gear is selected. That is, the power output of eight forward gear subassemblies and a reverse gear subassembly that this embodiment provided can rely on two keep off the original structures of subassembly and sixth gear subassembly, need not to set up other transmission structure, therefore it makes the holistic structure size of derailleur littleer, and the reliability is higher, and the cost is lower, and power is also stronger.

In more detail, referring to fig. 1 again, in the present embodiment, the first gear assembly, the second gear assembly, the third gear assembly, the fourth gear assembly, the fifth gear assembly, the sixth gear assembly, the seventh gear assembly, and the eighth gear assembly all include a driving wheel and a driven wheel, and the driving wheel and the driven wheel are engaged with each other. That is, the first-gear assembly includes a first-gear driving wheel 128 and a first-gear driven wheel 129, the second-gear assembly includes a second-gear driving wheel 130 and a second-gear driven wheel 131, the third-gear assembly includes a third-gear driving wheel 132 and a third-gear driven wheel 133, the fourth-gear assembly includes a fourth-gear driving wheel 134 and a fourth-gear driven wheel 135, the fifth-gear assembly includes a fifth-gear driving wheel 136 and a fifth-gear driven wheel 137, the sixth-gear assembly includes a sixth-gear driving wheel 138 and a sixth-gear driven wheel 139, the seventh-gear assembly includes a seventh-gear driving wheel 140 and a seventh-gear driven wheel 141, and the eighth-gear assembly includes an eighth-gear driving wheel 142 and an eighth-gear driven wheel 143.

Meanwhile, the driving wheels of the first gear element, the third gear element, the fifth gear element and the seventh gear element are sleeved outside the external input shaft 115, that is, the first gear driving wheel 128, the third gear driving wheel 132, the fifth gear driving wheel 136 and the seventh gear driving wheel 140 are all sleeved outside the external input shaft 115 and are integrated with or fixedly connected to the external input shaft 115. Driven wheels of the first-gear assembly, the third-gear assembly, the fifth-gear assembly and the seventh-gear assembly are sleeved outside the intermediate shaft 117 in a free mode, namely, the third-gear driven wheel 133, the fifth-gear driven wheel 137 and the seventh-gear driven wheel 141 are sleeved outside the intermediate shaft 117 in a free mode and can rotate around the intermediate shaft 117.

Similarly, the driving wheels of the second gear assembly and the fourth gear assembly are sleeved outside the inner input shaft 113, that is, the second gear driving wheel 130 and the fourth gear driving wheel 134 are sleeved outside the inner input shaft 113 and are integrally or fixedly connected with the inner input shaft 113. The driven wheel of the eight-gear assembly is sleeved outside the inner input shaft 113, that is, the eight-gear driven wheel 143 is sleeved outside the inner input shaft 113 and can rotate relative to the inner input shaft 113. The output shaft assembly 119 is connected with the six-gear driven wheel 139, that is, the output shaft assembly 119 is integrally or fixedly connected with the six-gear driven wheel 139 so as to rotate under the driving of the six-gear driving wheel 138, thereby realizing the output of power of the six gear and other gears. Meanwhile, the driven wheels of the two-gear component and the four-gear component are sleeved outside the middle shaft 117 in a free manner, the driving wheels of the six-gear component and the eight-gear component are sleeved outside the middle shaft 117, namely, the two-gear driven wheel 131 and the four-gear driven wheel 135 are sleeved outside the middle shaft 117 in a free manner, and the six-gear driving wheel 138 and the eight-gear driving wheel 142 are integrally or fixedly connected with the middle shaft 117. Through the arrangement, when the six gears are selected, the six-gear driven wheel 139 can be directly driven by the inner input shaft 113 to rotate, and then power can be directly output to the output shaft assembly 119, when other gears are selected, the power output by the output shaft of the motor 101 can be transmitted to the six-gear driven wheel 139 through the intermediate shaft 117 after passing through the inner input shaft 113 or the outer input shaft 115, so that the power can be conveniently output to the output shaft assembly 119 through the six-gear driven wheel 139, and then the power can be conveniently output, and the integral structure is more compact and reliable.

Referring to fig. 1 again, in the present embodiment, the intermediate shaft 117 is further provided with a first synchronizer 144, a second synchronizer 145 and a third synchronizer 146. The first synchronizer 144 is located between the first gear component and the third gear component, and is used for being selectively engaged with the first gear driven wheel 129 or the third gear driven wheel 133, so that when the first gear or the third gear is selected, the first synchronizer 144 can be correspondingly engaged with the first gear driven wheel 129 or the third gear driven wheel 133, and therefore power can be conveniently output to the output shaft assembly 119 through the intermediate shaft 117. Similarly, the second synchronizer 145 is disposed between the seventh-gear component and the fifth-gear component, and is used for selectively engaging with the seventh-gear driven wheel 141 or the fifth-gear driven wheel 137, so that when the seventh gear or the fifth gear is selected, the second synchronizer 145 can be correspondingly engaged with the seventh-gear driven wheel 141 or the fifth-gear driven wheel 137, and therefore power can be conveniently output to the output shaft assembly 119 through the intermediate shaft 117. A third synchronizer 146 is disposed between the second gear assembly and the fourth gear assembly for selectively engaging with the second-gear driven pulley 131 or the fourth-gear driven pulley 135, such that when second or fourth gear is selected, the third synchronizer 146 can be correspondingly engaged with the second-gear driven pulley 131 or the fourth-gear driven pulley 135, thereby facilitating power output to the output shaft assembly 119 through the intermediate shaft 117 for power output.

Optionally, a fourth synchronizer 147 is further disposed on the inner input shaft 113, and the fourth synchronizer 147 is located between the eight-gear component and the six-gear component and is used for selectively engaging with the eight-gear driven wheel 143 or the six-gear driven wheel 139, so that when the eight-gear or the six-gear is selected, the fourth synchronizer 147 can be correspondingly engaged with the eight-gear driven wheel 143 or the six-gear driven wheel 139, thereby facilitating the output of power to the output shaft assembly 119 through the intermediate shaft 117.

The first synchronizer 144, the second synchronizer 145, the third synchronizer 146 and the intermediate shaft 117 may be rigidly connected by splines, and the fourth synchronizer 147 may also be rigidly connected by splines to the inner input shaft 113.

Referring again to fig. 1, in the present embodiment, the reverse gear assembly includes a reverse driven wheel 151, a reverse idler wheel 150, and a reverse synchronizer 156.

In detail, the reverse shaft 149 is disposed in parallel with the intermediate shaft 117, the inner input shaft 113, and the outer input shaft 115. And the reverse idle gear 150 is sleeved outside the reverse shaft 149 and is in meshing transmission with the six-gear driven gear 139. The reverse driven wheel 151 is freely sleeved outside the reverse shaft 149 through a bearing, and is in meshing transmission with the secondary driven wheel 131 and can rotate freely. The reverse synchronizer 156 is disposed on the reverse shaft 149 and is rigidly connected to the reverse shaft 149 through a spline for being disengaged or engaged with the reverse driven wheel 151, so that when engaged with the reverse driven wheel 151, the power transmitted from the second driven wheel 131 to the reverse driven wheel 151 is transmitted to the reverse idle wheel 150 through the reverse shaft 149, so as to transmit the power to the output shaft assembly 119 after passing through the sixth driven wheel 139, so as to output the power of the reverse gear.

That is, through the meshing transmission of the second-gear driven wheel 131 and the reverse-gear driven wheel 151, and the meshing transmission of the reverse-gear idle wheel 150 and the sixth-gear driven wheel 139, the completion of the reverse gear operation of the transmission power transmission device 100 can be completed through the original gear structures of the second-gear component and the sixth-gear component, without newly adding other gear pairs, and further, the number of the whole gear pairs is less, the structure is more compact, the structure of the transmission can be simplified, the structure of the transmission power transmission device 100 is easier to process, and the control of the longitudinal dimension of the transmission is facilitated, so that the spatial arrangement is more compact and reliable.

Meanwhile, it should be noted that there is also two gears driven wheel 131 and reverse gear driven wheel 151 in meshing transmission, so that the whole two gears assembly can form a duplicate gear pair, thereby ensuring the reliability and compactness of its structure. The sixth driven wheel 139 meshes with the reverse idler gear 150, so that the sixth driven wheel 139 can serve as an output gear of the reverse gear, thereby further saving the arrangement of the gear pair. That is, through the above-mentioned setting for this power transmission 111 is including containing 7 pairs of gear pairs, 1 pair of duplicate gear pair, 5 synchronizers, can realize on the basis that does not change traditional driving habit, and the whole size of derailleur is littleer, and the reliability is better, and the cost is lower, and power is stronger.

Referring to fig. 1 again, in the present embodiment, in order to ensure the structural stability and safety of the transmission power transmission device 100, in the present embodiment, the transmission power transmission device 100 further includes a box body, and the power transmission mechanism 111 is disposed in the box body.

In detail, the case includes a front case 152 and a rear case 153 which are oppositely and spaced apart. The motor 101 is disposed outside the case and adjacent to the front case 152. And, a stop assembly is provided adjacent the front box 152 to be located adjacent the mounting shaft bearing, thereby reducing shaft distortion and facilitating overall reliability and rigidity. Meanwhile, the output shaft assembly 119 is disposed close to the rear box 153, the inner input shaft 113, the outer input shaft 115 and the intermediate shaft 117 are longitudinally extended and arranged in the direction from the front box 152 to the rear box 153, the outer input shaft 115 is sleeved outside the inner input shaft 113, and two ends of the inner input shaft 113 and the intermediate shaft 117 are respectively supported on the front box 152 and the rear box 153 through bearings and can freely rotate, so as to ensure the rigidity and the overall reliability and stability of the inner input shaft 113, the outer input shaft 115 and the intermediate shaft 117.

Optionally, a middle connecting plate 154 is further disposed in the box, and the middle connecting plate 154 is disposed between the front box 152 and the rear box 153 and is parallel to both the front box 152 and the rear box 153. The inner input shaft 113 and the intermediate shaft 117 are also supported by the intermediate link plate 154, and both ends of the reverse shaft 149 of the reverse gear assembly are supported by the intermediate link plate 154 and the rear case 153. In the direction from the front box 152 to the middle yoke plate 154, the first gear component, the third gear component, the seventh gear component and the fifth gear component are sequentially arranged; two keep off the subassembly, four keep off the subassembly, eight keep off the subassembly and six keep off the subassembly and set up in proper order in the direction of well yoke plate 154 to back box 153, keep off the subassembly and set up near well yoke plate 154. So that keep off the subassembly with keeping off that keep off the subassembly of low-speed gear all is located the one end that is close to the bearing to it is littleer to reduce the deformation of axle, more does benefit to holistic reliability and NVH performance.

Referring to fig. 1 again, in the present embodiment, two ends of the intermediate shaft 117 are supported by the front box 152 and the rear box 153 through bearings, and a parking ratchet 155 is further disposed at a position where the intermediate shaft 117 extends out of the rear box 153, the parking ratchet 155 is sleeved on an outer side of the intermediate shaft 117 and is rigidly connected to the intermediate shaft 117, so that when a parking operation is required, the intermediate shaft 117 is driven by the parking ratchet 155 to stop power output, thereby ensuring that the output shaft assembly 119 does not output power, further completing the parking operation, and ensuring that each operation is performed in order.

The present embodiment also provides an automobile comprising the transmission power transmission device 100, the engine, and the differential described above. The output of the engine is engaged or disengaged with a first clutch 103 integrated on the rotor of the electric machine 101, and the differential is coupled to and engaged with an output shaft assembly 119 of the transmission power transmission 100. It also has the advantages of compact size, low cost, and power efficiency, as it includes the above-described transmission power transmission 100.

The gear selection and power take-off process of the transmission power transmission 100 of the present invention is described in detail below:

when selecting a gear, the power transmission route of the first gear is as follows: the output shaft of the motor 101 is engaged with the third clutch 109 of the dual clutch 105 to output power to the external input shaft 115, the external input shaft 115 transmits power to the first-gear driving wheel 128 and then transmits power to the first-gear driven wheel 129 engaged with the first-gear driving wheel 128, at this time, the first synchronizer 144 is engaged with the first-gear driven wheel 129 to transmit power to the intermediate shaft 117, and then transmits power to the sixth-gear driving wheel 138 through the intermediate shaft 117, and then drives the sixth-gear driven wheel 139 engaged therewith to rotate, thereby driving the output shaft assembly 119 fixedly connected with the sixth-gear driven wheel 139 to output power.

When the second gear is selected, the second gear power transmission route is as follows: an output shaft of the motor 101 is engaged with the second clutch 107 of the dual clutch 105 to output power to the inner input shaft 113, the inner input shaft 113 transmits the power to the second-gear driving wheel 130, and then transmits the power to the second-gear driven wheel 131 engaged with the second-gear driving wheel 130, at this time, the third synchronizer 146 is engaged with the second-gear driven wheel 131 to transmit the power to the intermediate shaft 117, and then transmits the power to the sixth-gear driving wheel 138 through the intermediate shaft 117, and then drives the sixth-gear driven wheel 139 engaged therewith to rotate, and further drives the output shaft assembly 119 fixedly connected with the sixth-gear driven wheel 139 to output the power.

When the third gear is selected, the power transmission route of the third gear is as follows: the output shaft of the motor 101 is engaged with the third clutch 109 of the dual clutch 105 to output power to the external input shaft 115, the external input shaft 115 transmits power to the third-gear driving wheel 132, and then transmits power to the third-gear driven wheel 133 engaged with the third-gear driving wheel 132, at this time, the second synchronizer 145 is engaged with the third-gear driven wheel 133 to transmit power to the intermediate shaft 117, and then transmits power to the sixth-gear driving wheel 138 through the intermediate shaft 117, and then drives the sixth-gear driven wheel 139 engaged therewith to rotate, and further drives the output shaft assembly 119 fixedly connected with the sixth-gear driven wheel 139 to output power.

When the fourth gear is selected, the power transmission route of the fourth gear is as follows: the output shaft of the motor 101 is engaged with the second clutch 107 of the dual clutch 105 to output power to the inner input shaft 113, the inner input shaft 113 transmits power to the fourth-gear driving wheel 134, and then transmits power to the fourth-gear driven wheel 135 engaged with the fourth-gear driving wheel 134, at this time, the third synchronizer 146 is engaged with the fourth-gear driven wheel 135 to transmit power to the intermediate shaft 117, and then transmits power to the sixth-gear driving wheel 138 through the intermediate shaft 117, and then drives the sixth-gear driven wheel 139 engaged therewith to rotate, and further drives the output shaft assembly 119 fixedly connected with the sixth-gear driven wheel 139 to output power.

When the fifth gear is selected, the power transmission route of the fifth gear is as follows: the output shaft of the motor 101 is engaged with the third clutch 109 of the dual clutch 105 to output power to the external input shaft 115, the external input shaft 115 transmits power to the fifth-gear driving wheel 136, and then transmits power to the fifth-gear driven wheel 137 engaged with the fifth-gear driving wheel 136, at this time, the second synchronizer 145 is engaged with the fifth-gear driven wheel 137 to transmit power to the intermediate shaft 117, and then transmits power to the sixth-gear driving wheel 138 through the intermediate shaft 117, and then drives the sixth-gear driven wheel 139 engaged therewith to rotate, and further drives the output shaft assembly 119 fixedly connected with the sixth-gear driven wheel 139 to output power.

When the sixth gear is selected, the power transmission route of the sixth gear is as follows: the output shaft of the motor 101 is engaged with the second clutch 107 of the dual clutch 105 to output power to the inner input shaft 113, and at this time, the fourth synchronizer 147 is engaged with the sixth-gear driven wheel 139 to drive the sixth-gear driven wheel 139 to rotate, so as to drive the output shaft assembly 119 fixedly connected with the sixth-gear driven wheel 139 to output power.

When the seventh gear is selected, the power transmission route of the seventh gear is as follows: the output shaft of the motor 101 is engaged with the third clutch 109 of the dual clutch 105 to output power to the external input shaft 115, the external input shaft 115 transmits power to the fifth-gear driving wheel 136, then transmits power to the seventh-gear driven wheel 141 engaged with the seventh-gear driving wheel 140, at this time, the second synchronizer 145 is engaged with the seventh-gear driven wheel 141 to transmit power to the intermediate shaft 117, then transmits power to the sixth-gear driving wheel 138 through the intermediate shaft 117, and then drives the sixth-gear driven wheel 139 engaged therewith to rotate, thereby driving the output shaft assembly 119 fixedly connected with the sixth-gear driven wheel 139 to output power.

When the eight-gear is selected, the power transmission route of the eight-gear is as follows: the output shaft of the motor 101 is engaged with the second clutch 107 of the dual clutch 105 to output power to the inner input shaft 113, at this time, the fourth synchronizer 147 is engaged with the eight-gear driven wheel 143 to drive the eight-gear driven wheel 143 to rotate, and further drive the eight-gear driving wheel 142 engaged with the eight-gear driven wheel 143 to rotate, and further drive the intermediate shaft 117 to rotate, so as to transmit power to the intermediate shaft 117, and then transmit power to the six-gear driving wheel 138 through the intermediate shaft 117, so that the output shaft assembly 119 fixedly connected with the six-gear driven wheel 139 outputs power.

When the reverse gear is selected, the reverse gear power transmission route is as follows: the output shaft of the motor 101 is engaged with the second clutch 107 of the dual clutch 105 to output power to the inner input shaft 113, the inner input shaft 113 transmits power to the second-gear driving wheel 130, and then transmits power to the second-gear driven wheel 131 engaged with the second-gear driving wheel 130, at this time, the second-gear driven wheel 131 drives the reverse-gear driven wheel 151 engaged with the second-gear driven wheel to rotate, at this time, the reverse synchronizer 156 is engaged with the reverse-gear driven wheel 151 to drive the reverse-gear shaft 149 to rotate, transmits power to the reverse-gear idler wheel 150, and then transmits power to the output shaft assembly 119 through the sixth-gear driven wheel 139 through the reverse-gear idler wheel 150 to output power.

In the above process, the transmission power transmission device 100 is a longitudinally-arranged transmission, the first clutch 103 is integrated inside the motor 101, so that the connection or the disconnection between the motor 101 and the output end of the engine can be realized, the switching between the motor 101 and the engine mode can be conveniently realized, meanwhile, the output end of the motor 101 is respectively connected with the inner input shaft 113 and the outer input shaft 115 through the second clutch 107 and the third clutch 109, and the power output of each gear on the basis of not changing the traditional driving habit can be realized through 7 pairs of gear pairs, 1 pair of double gear pairs and 5 synchronizers, so that the overall size of the transmission is smaller, the compactness is higher, the reliability is better, the cost is lower, and the power is stronger.

To sum up, the embodiment of the utility model provides a indulge derailleur power transmission 100 of putting, its compact structure, whole size is little, and is with low costs, and dynamic nature is stronger, and fuel economy is better. Embodiments of the present invention also provide an automobile that includes the above-described transmission power transmission 100, and thus also has the advantages of compact structure, small size, low cost, and sufficient power.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A transmission power transmission device characterized by comprising:

the motor is provided with a first clutch integrated on a rotor of the motor, and the first clutch is used for being separated from or connected with an output end of the engine;

the double clutches comprise a second clutch and a third clutch which are coaxially arranged with the first clutch, and the second clutch and the third clutch are both selectively separated from or jointed with the output shaft of the motor;

the power transmission mechanism comprises an inner input shaft, an outer input shaft, a power transmission component and an output shaft assembly, wherein the inner input shaft is separated from or connected with the second clutch, the outer input shaft is separated from or connected with the third clutch, the outer input shaft is sleeved outside the inner input shaft in a hollow mode, the output shaft assembly is arranged coaxially with the inner input shaft and the outer input shaft, and the power transmission component is connected with the inner input shaft or the outer input shaft so as to transmit power input by the inner input shaft or the outer input shaft to the output shaft assembly.

2. A variator power transmission as claimed in claim 1, wherein:

the power transmission assembly comprises eight forward gear assemblies, a middle shaft, a reverse gear shaft and a reverse gear assembly; the intermediate shaft and the reverse gear shaft are both arranged in parallel with the inner input shaft;

the eight forward gear components are respectively a first gear component, a second gear component, a third gear component, a fourth gear component, a fifth gear component, a sixth gear component, a seventh gear component and an eighth gear component, and the sixth gear component is fixedly connected with the output shaft assembly; the first gear assembly, the third gear assembly, the fifth gear assembly and the seventh gear assembly sequentially pass through the outer input shaft, the intermediate shaft and the sixth gear assembly and then transmit power to the output shaft assembly; the second gear assembly, the fourth gear assembly and the eighth gear assembly sequentially pass through the inner input shaft, the intermediate shaft and the sixth gear assembly and then transmit power to the output shaft assembly; the reverse gear assembly is connected with the two gear assemblies, and power is transmitted to the output shaft assembly after the reverse gear assembly and the two gear assemblies sequentially pass through the inner input shaft, the two gear assemblies, the reverse gear shaft and the six gear assembly.

3. A variator power transmission as claimed in claim 2, wherein:

the first gear assembly, the second gear assembly, the third gear assembly, the fourth gear assembly, the fifth gear assembly, the sixth gear assembly, the seventh gear assembly and the eighth gear assembly comprise driving wheels and driven wheels which are in meshing transmission;

the driving wheels of the second gear component and the fourth gear component are sleeved outside the inner input shaft, the driven wheel of the eight gear component is sleeved outside the inner input shaft in an empty manner, and the driven wheel of the six gear component is fixedly connected with the output shaft assembly; the driven wheels of the two-gear component and the four-gear component are sleeved outside the intermediate shaft in a free mode, and the driving wheels of the six-gear component and the eight-gear component are sleeved outside the intermediate shaft.

4. A variator power transmission as claimed in claim 3, wherein:

the reverse gear assembly comprises a reverse gear driven wheel, a reverse gear idler wheel and a reverse gear synchronizer;

the reverse gear idler wheel is sleeved outside the reverse gear shaft and is in meshed transmission with the driven wheel of the six-gear assembly; the reverse gear driven wheel is sleeved outside the reverse gear shaft in a free mode and is in meshed transmission with the driven wheel of the second gear component; the reverse gear synchronizer is arranged on a reverse gear shaft and is used for being separated from or connected with the reverse gear driven wheel so as to transmit the power transmitted from the driven wheel of the two-gear assembly to the reverse gear driven wheel to the reverse gear idler wheel through the reverse gear shaft when being connected with the reverse gear driven wheel, and then the power is directly transmitted to the output shaft assembly through the driven wheel of the six-gear assembly continuously.

5. A variator power transmission as claimed in claim 3, wherein:

the intermediate shaft is also provided with a first synchronizer, a second synchronizer and a third synchronizer;

the first synchronizer is positioned between the first gear assembly and the third gear assembly and is used for selectively engaging or disengaging with the driven wheel of the first gear assembly or the driven wheel of the third gear assembly; the second synchronizer is disposed between the seven and fifth gear assemblies for selective engagement with the driven wheels of the seven or fifth gear assemblies; the third synchronizer is positioned between the second gear assembly and the fourth gear assembly for selective engagement with the driven wheel of the second gear assembly or the driven wheel of the fourth gear assembly.

6. A variator power transmission as claimed in claim 3, wherein:

a fourth synchronizer is also disposed on the inner input shaft and is positioned between the eight speed assembly and the six speed assembly for selective engagement with the driven wheel of the eight speed assembly or the driven wheel of the six speed assembly.

7. A variator power transmission as claimed in any of claims 2 to 6, wherein:

the power transmission device of the speed changer also comprises a box body, and the power transmission mechanism is arranged in the box body; the box body comprises a front box body and a rear box body which are oppositely arranged at intervals; the motor is arranged outside the box body and is adjacent to the front box body; the first blocking assembly is arranged close to the front box body; the output shaft assembly is arranged close to the rear box body; the inner input shaft, the outer input shaft and the middle shaft are longitudinally arranged in an extending mode in the direction from the front box body to the rear box body; the outer input shaft is sleeved outside the inner input shaft in a hollow mode and is supported on the front box body; and two ends of the inner input shaft and the middle shaft are respectively supported on the front box body and the rear box body.

8. A variator power transmission as claimed in claim 7, wherein:

a middle connecting plate is further arranged in the box body, is arranged between the front box body and the rear box body and is parallel to the front box body and the rear box body; the inner input shaft and the intermediate shaft are also supported on the middle connecting plate, and two ends of the reverse gear shaft are supported and arranged on the middle connecting plate and the rear box body;

the first gear component, the third gear component, the seventh gear component and the fifth gear component are sequentially arranged along the direction from the front box body to the middle yoke plate; the two-gear assembly, the four-gear assembly, the eight-gear assembly and the six-gear assembly are sequentially arranged in the direction from the middle yoke plate to the rear box body, and the two-gear assembly is adjacent to the middle yoke plate.

9. A variator power transmission as claimed in claim 8, wherein:

the parking ratchet wheel is sleeved on the outer side of the intermediate shaft and is rigidly connected with the intermediate shaft.

10. An automobile, comprising:

the transmission power transmission device, engine, and differential of any one of claims 1 to 9, an output of the engine being engaged with or disengaged from the first clutch integrated on the rotor of the electric machine, the differential being in connective engagement with the output shaft assembly of the transmission power transmission device.