CN218440448U

CN218440448U - Gear transmission structure, device and equipment for increasing output torque

Info

Publication number: CN218440448U
Application number: CN202222111268.5U
Authority: CN
Inventors: 陈国济; 陈沛霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-05
Filing date: 2022-08-11
Publication date: 2023-02-03
Anticipated expiration: 2032-08-11
Also published as: CN217301466U

Abstract

The application belongs to the technical field of gear drive, discloses a gear drive structure, device and equipment for increasing output torsion for increase output torsion's gear drive structure includes input piece, drive assembly and output, and the input shaft is connected to the input piece, and drive assembly connects the input piece, and drive assembly is connected to the output, still includes: a fixing component; the fixed assembly includes a first fixed gear or a fixed ring gear, both of which are fixedly disposed relative to the input shaft, and the transmission assembly includes a first planetary gear that meshes with the first fixed gear or the fixed ring gear. The gear transmission structure, the gear transmission device and the gear transmission equipment for increasing the output torsion enable the first planetary gear of the transmission assembly to be subjected to the force of the first fixed gear or the fixed gear ring during transmission through the first fixed gear or the fixed gear ring fixedly arranged relative to the input shaft, and therefore the force output by the output part is improved to drive larger loads.

Description

Gear transmission structure, device and equipment for increasing output torque

Technical Field

The utility model belongs to the technical field of gear drive, in particular to a gear drive structure, device and equipment for increasing output torque.

Background

The gear transmission is a device for transmitting motion and power by a gear pair and is widely applied to various modern equipment. The existing gear transmission structure mainly realizes speed reduction through mutual meshing of a plurality of gears pairwise, but the output force is small, and large load cannot be driven.

Accordingly, there is a need for improvement and development in the art.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a gear drive structure, device and equipment for increasing output torsion for transmission assembly receives fixed subassembly's power again when rotating through fixed the setting fixed subassembly, thereby makes the power of being exported by output spare obtain improving, with the drive bigger load.

In a first aspect, the present application provides a gear transmission structure for increasing output torque, which connects an input shaft, and includes an input member, a transmission assembly and an output member, wherein the input member is connected to the input shaft, the transmission assembly is connected to the input member, and the output member is connected to the transmission assembly, and further includes: a fixing assembly; the fixed gear or the fixed gear ring is fixedly arranged relative to the input shaft, and the transmission assembly comprises a first planetary gear meshed with the first fixed gear or the fixed gear ring.

The application provides a gear drive structure for increasing output torsion is through fixed first fixed gear or the fixed ring gear that sets up for the input shaft for when the input member drove the first planetary gear transmission of transmission subassembly, first planetary gear received the power of fixed subassembly again, thereby makes the power of being exported by the output member obtain improving, and then can drive bigger load.

Furthermore, the input member is a gear ring, the output member is a gear ring, the transmission assembly further comprises a transmission planet carrier and a second planet gear, and the fixed assembly comprises a first fixed gear and a second fixed gear; the transmission planet carrier is rotatably sleeved on the input shaft; the first planetary gear is arranged on the transmission planet carrier, the first planetary gear is meshed with the input member and the first fixed gear respectively, the second planetary gear is arranged on the transmission planet carrier and is not coaxial with the first planetary gear, and the second planetary gear is meshed with the second fixed gear and the output member respectively.

According to the power transmission device, the gear ring is used as the input member and the output member, the first fixed gear and the second fixed gear are used as the fixed assembly, the input member drives the first planetary gear to rotate around the first fixed gear, the first planetary gear drives the transmission planet carrier to rotate, the transmission planet carrier drives the second planetary gear to rotate, the second planetary gear drives the output member to rotate, and the second planetary gear rotates under the force of the second fixed gear, so that the force output by the output member is improved, and a larger load can be driven.

Furthermore, the input part is a gear ring, the output part is a gear, the transmission assembly further comprises a transmission planet carrier and a second planet gear, and the fixed assembly comprises a fixed gear ring; the transmission planet carrier is rotatably sleeved on the input shaft; the first planetary gear is arranged on the transmission planet carrier and is meshed with the input member; the second planetary gear is arranged on the transmission planet carrier and is not coaxial with the first planetary gear, and the second planetary gear is respectively meshed with the first planetary gear, the fixed gear ring and the output member.

This application adopts the ring gear as the input, the gear is as the output, fixed ring gear is as fixed subassembly, make the input drive first planetary gear and rotate, first planetary gear drives the transmission planet carrier and rotates, the transmission planet carrier drives second planetary gear and rotates, second planetary gear drives the output and rotates, receive the power of fixed ring gear again when second planetary gear rotates, make the power of being exported by the output obtain improving, can drive bigger load.

Furthermore, the input part is a gear, the output part is a gear ring, the transmission assembly further comprises a transmission planet carrier and a second planet gear, and the fixed assembly comprises a fixed gear ring; the transmission planet carrier is rotationally sleeved on the input shaft; the first planetary gear is arranged on the transmission planet carrier and is respectively meshed with the input member and the fixed gear ring; the second planetary gear is arranged on the transmission planet carrier and is not coaxial with the first planetary gear, and the second planetary gear is meshed with the first planetary gear and the output member respectively.

This application is through adopting the gear as the input, the ring gear is as the output, fixed ring gear is as fixed subassembly, make the input drive first planetary gear and rotate, first planetary gear drives the transmission planet carrier and rotates, the transmission planet carrier drives the rotation of second planetary gear, second planetary gear drives the output and rotates, first planetary gear rotates the in-process and receives the power of fixed ring gear again, transmit for the output through second planetary gear, make the power of being exported by the output obtain improving, can drive bigger load.

Further, the input member comprises an input planet carrier, the output member is a gear, and the fixed component comprises a fixed gear ring; the first planetary gear is arranged on the input member; the first planetary gear meshes with the fixed ring gear and the output member, respectively.

Further, the input member comprises an input planet carrier, the output member is a gear ring, and the fixed assembly comprises a fixed gear ring; the first planetary gear is provided on the input member, and the first planetary gear meshes with the stationary ring gear and the output member, respectively.

Further, the first planetary gear is a multiple gear.

In a second aspect, the present application provides a gear transmission device for increasing output torque, including the gear transmission structure for increasing output torque described in the first aspect.

Furthermore, the number of the gear transmission structures for increasing the output torque is multiple, and the multiple gear transmission structures for increasing the output torque are connected in sequence.

In a third aspect, the present application provides a gear transmission apparatus for increasing output torque, including an installation shaft and a combined output member, where the combined output member is sleeved on the installation shaft and can rotate relative to the installation shaft, and further including a plurality of gear transmission devices for increasing output torque described in the second aspect, where the plurality of gear transmission devices for increasing output torque are divided into a first transmission mechanism and a second transmission mechanism, where the first transmission mechanism includes at least one gear transmission device for increasing output torque, and the second transmission mechanism includes at least two gear transmission devices for increasing output torque; the gear transmission device for increasing output torsion of the first transmission mechanism is sleeved on the mounting shaft, and the gear transmission device for increasing output torsion of the second transmission mechanism is uniformly arranged by taking the mounting shaft as a center and is connected with the combined output piece.

Therefore, the utility model discloses a gear drive structure, device and equipment for increasing output torque through for the fixed first fixed gear or the fixed ring gear that sets up of input shaft for during transmission of drive assembly's first planetary gear, receive the power of first fixed gear or fixed ring gear again, thereby make the power of being exported by output member obtain improving, with the drive bigger load.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

Fig. 1 is a schematic structural diagram of a gear transmission structure for increasing output torque according to an embodiment of the present disclosure.

Fig. 2 is another structural schematic diagram of a gear transmission structure for increasing output torque according to an embodiment of the present disclosure.

Fig. 3 is a sectional view of a gear transmission structure for increasing output torque according to an embodiment of the present disclosure.

Fig. 4 is a schematic structural diagram of a gear transmission structure for increasing output torque according to a second embodiment of the present application.

Fig. 5 is another schematic structural diagram of a gear transmission structure for increasing output torque according to a second embodiment of the present application.

Fig. 6 is a cross-sectional view of a gear transmission structure for increasing output torque according to a second embodiment of the present application.

Fig. 7 is a schematic structural diagram of a gear transmission structure for increasing output torque according to a third embodiment of the present application.

Fig. 8 is another structural schematic diagram of a gear transmission structure for increasing output torque according to a third embodiment of the present application.

Fig. 9 is a cross-sectional view of a gear transmission structure for increasing output torque according to a third embodiment of the present application.

Fig. 10 is a schematic structural diagram of a gear transmission structure for increasing output torque according to a fourth embodiment of the present application.

Fig. 11 is a cross-sectional view of a gear transmission structure for increasing output torque according to a fourth embodiment of the present application.

Fig. 12 is a schematic structural diagram of a gear transmission structure for increasing output torque according to a fifth embodiment of the present application.

Fig. 13 is a cross-sectional view of a gear transmission structure for increasing output torque according to a fifth embodiment of the present application.

Fig. 14 is a schematic structural diagram of a gear transmission structure for increasing output torque according to a sixth embodiment of the present application.

Fig. 15 is a cross-sectional view of a gear transmission structure for increasing output torque according to a sixth embodiment of the present application.

Fig. 16 is a schematic structural diagram of a gear transmission structure for increasing output torque according to a seventh embodiment of the present application.

Fig. 17 is a cross-sectional view of a gear transmission structure for increasing output torque according to a seventh embodiment of the present application.

Fig. 18 is a schematic structural diagram of a gear transmission structure for increasing output torque according to an eighth embodiment of the present application.

Fig. 19 is a sectional view of a gear transmission structure for increasing output torque according to an eighth embodiment of the present application.

Description of reference numerals: 1. an input shaft; 2. an input member; 3. an output member; 4. a transmission planet carrier; 5. a first planetary gear; 6. a second planetary gear; 7. a first fixed gear; 8. a second fixed gear; 9. the ring gear is fixed.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In a first aspect, the present invention provides a gear transmission structure for increasing output torque, which connects an input shaft 1, including an input member 2, a transmission assembly, an output member 3 and a fixing assembly. The input member 2 is connected to the input shaft 1. The transmission assembly is connected with the input member 2. The output member 3 is connected with the transmission assembly. The fixed component comprises a first fixed gear 7 or a fixed gear ring 9, both the first fixed gear 7 and the fixed gear ring 9 being fixedly arranged relative to the input shaft 1. The transmission assembly comprises a first planet gear 5, the first planet gear 5 being in mesh with a first fixed gear 7 or a fixed ring gear 9.

Example one

As shown in fig. 1, 2 and 3, in the present embodiment, the input member 2 and the output member 3 are both ring gears, the transmission assembly includes a transmission planet carrier 4, first planet gears 5 and second planet gears 6, and the fixed assembly includes a first fixed gear 7. The input member 2 is connected to the input shaft 1 and is rotatable with the input shaft 1. The transmission planet carrier 4 is sleeved on the input shaft 1, and the transmission planet carrier 4 can rotate relative to the input shaft 1. The first planetary gear 5 and the second planetary gear 6 are arranged on the transmission planet carrier 4 in a non-coaxial mode, the first planetary gear 5 is meshed with the input member 2, and the second planetary gear 6 is meshed with the output member 3. The first fixed gear 7 is sleeved on the input shaft 1 and fixed relative to the input shaft 1, that is, the first fixed gear 7 does not rotate with the rotation of the input member 2. The first fixed gear 7 meshes with the first planetary gear 5 and the second planetary gear 6, respectively.

In specific application, the power is connected with the input member 2, the input member 2 drives the first planetary gear 5 to rotate by taking the first fixed gear 7 as a rotating shaft, the first planetary gear 5 drives the transmission planet carrier 4 to rotate, the transmission planet carrier 4 drives the second planetary gear 6 to rotate by taking the first fixed gear 7 as a rotating shaft, and the second planetary gear 6 drives the output member 3 to rotate, so that a load connected with the output member 3 is driven.

This technical scheme is through fixed first fixed gear 7 that sets up, and first fixed gear 7 can be fixed cover and establish on the axle that does not rotate, also can be fixed connection on other fixed spare parts that set up for when input member 2 drives second planetary gear 6 on the transmission planet carrier 4 and rotates, second planetary gear 6 receives first fixed gear 7's power again, thereby makes the power of being exported by output member 3 obtain improving, and then can drive bigger load.

It should be noted that the first planetary gear 5 in this embodiment is a multiple gear, specifically, the first planetary gear 5 is a dual gear, the dual gear includes a first layer gear and a second layer gear, the first layer gear and the second layer gear are sequentially stacked, and the radii decrease from layer to layer, that is, the radius of the first layer gear is greater than the radius of the second layer gear; the first layer of gears meshes with the input member 2, and the second layer of gears meshes with the first fixed gear 7. In specific application, other multiple gears such as a triple gear, a quadruple gear and the like can be selected according to requirements, and the transmission ratio can be changed by changing the meshing of the first fixed gear 7 and different layers of gears of the multiple gears.

In this embodiment, the number of the first planetary gears 5 and the number of the second planetary gears 6 are three, the three first planetary gears 5 and the three second planetary gears 6 are uniformly distributed around the first fixed gear 7, and the three first planetary gears 5 and the three second planetary gears 6 are connected through the transmission planet carrier 4. Specifically, the number of the transmission planetary carriers 4 is two, the two transmission planetary carriers 4 are respectively connected with two ends of a shaft of the first planetary gear 5, and the shaft of the first planetary gear 5 penetrates through the first planetary gear 5. The positions of the three first planet gears 5 and the three second planet gears 6 are limited by the transmission planet carrier 4, so that the relative positions of the three first planet gears 5 and the three second planet gears 6 are always kept unchanged when the three first planet gears 5 and the three second planet gears 6 rotate by taking the first fixed gear 7 as a rotating shaft, and the stability of transmission is ensured. Of course, the number of the first planet gears 5 and the second planet gears 6 can be adaptively increased or decreased according to actual requirements, which is only one embodiment of the present invention and should not be limited thereto.

Example two

As shown in fig. 4, 5 and 6, in the present embodiment, the input member 2 is a gear, the output member 3 is a ring gear, the transmission assembly includes a transmission carrier 4 and first planet gears 5, and the fixed assembly includes a first fixed gear 7. The input member 2 is connected to the input shaft 1 and is rotatable with the input shaft 1. The transmission planet carrier 4 is sleeved on the input shaft 1, and the transmission planet carrier 4 can rotate relative to the input shaft 1. The first planetary gears 5 are arranged on the transmission planet carrier 4, and the first planetary gears 5 are meshed with the input member 2 and the output member 3 respectively. The first fixed gear 7 is sleeved on the input shaft 1 and fixed relative to the input shaft 1, that is, the first fixed gear 7 does not rotate along with the rotation of the input member 2. The first fixed gear 7 meshes with the first planetary gears 5.

In the concrete application, power connection input 2, input 2 drive coaxial arrangement's first planetary gear 5 and use first fixed gear 7 as the rotation axis rotation, and first planetary gear 5 drives transmission planet carrier 4 and rotates, and first planetary gear 5 drives output 3 and rotates to the load that the drive is connected with output 3.

According to the technical scheme, the first fixed gear 7 is fixedly arranged, the first fixed gear 7 can be fixedly sleeved on a shaft which does not rotate or fixedly connected to other fixedly arranged parts, so that when the input part 2 drives the first planetary gear 5 to rotate, the first planetary gear 5 is subjected to the force of the first fixed gear 7, the force output by the output part 3 is improved, and a larger load can be driven.

In the present embodiment, the number of the first planetary gears 5 is three, and the three first planetary gears 5 are arranged uniformly centering on the first fixed gear 7. Specifically, the number of the transmission planetary carriers 4 is two, the two transmission planetary carriers 4 are respectively connected with two ends of a shaft of the first planetary gear 5, and the shaft of the first planetary gear 5 penetrates through the first planetary gear 5. Of course, the number of the first planet gears 5 can be adaptively increased or decreased according to actual requirements, and the above description is only an embodiment of the present invention, and should not be taken as a limitation.

It should be noted that the first planetary gear 5 in this embodiment is a multiple gear, specifically, the first planetary gear 5 is a dual gear, the dual gear includes a first layer gear and a second layer gear, the first layer gear and the second layer gear are stacked in sequence, the first layer gear of the first planetary gear 5 meshes with the input member 2 and the output member 3, respectively, and the second layer gear of the first planetary gear 5 meshes with the first fixed gear 7. In specific application, other multiple gears such as a triple gear, a quadruple gear and the like can be selected according to requirements, and the transmission ratio can be changed by changing the meshing of the first fixed gear 7 and different layers of gears of the multiple gears.

EXAMPLE III

As shown in fig. 7, 8 and 9, in the present embodiment, the input member 2 is a gear, the output member 3 is a ring gear, the transmission assembly includes the transmission carrier 4, the first planet gears 5 and the second planet gears 6, and the fixed assembly includes the first fixed gear 7 and the second fixed gear 8. The input member 2 is connected to the input shaft 1 and is rotatable with the input shaft 1. The transmission planet carrier 4 is sleeved on the input shaft 1, and the transmission planet carrier 4 can rotate relative to the input shaft 1. The first planetary gear 5 and the second planetary gear 6 are arranged on the transmission planet carrier 4 in a non-coaxial mode, the first planetary gear 5 is meshed with the input member 2, and the second planetary gear 6 is meshed with the output member 3. The first fixed gear 7 and the second fixed gear 8 are both sleeved on the input shaft 1 and are both fixed relative to the input shaft 1, i.e. the first fixed gear 7 and the second fixed gear 8 do not rotate along with the rotation of the input member 2. The first fixed gear 7 meshes with the first planetary gears 5, and the second fixed gear 8 meshes with the second planetary gears 6.

In specific application, the power is connected with the input member 2, the input member 2 drives the first planetary gear 5 to rotate by taking the first fixed gear 7 as a rotating shaft, the first planetary gear 5 drives the transmission planet carrier 4 to rotate, the transmission planet carrier 4 drives the second planetary gear 6 to rotate by taking the second fixed gear 8 as a rotating shaft, and the second planetary gear 6 drives the output member 3 to rotate under the action of the second fixed gear 8 while rotating, so that a load connected with the output member 3 is driven.

This technical scheme is through fixed first fixed gear 7 and the second fixed gear 8 that sets up, and first fixed gear 7 and second fixed gear 8 can be fixed cover and establish on the axle that does not rotate, also can be fixed connection on other fixed spare parts that set up for when input member 2 drives the transmission assembly and rotates, first planetary gear 5 and second planetary gear 6 receive first fixed gear 7 and the power of second fixed gear 8 respectively, thereby make the power of being exported by output member 3 obtain improving, and then can drive bigger load.

In the present embodiment, the number of the first planet gears 5 and the number of the second planet gears 6 are three, the three first planet gears 5 are uniformly distributed around the first fixed gear 7, and the three second planet gears 6 and the three first planet gears 5 are non-coaxially arranged on the transmission planet carrier 4. Of course, the number of the first planet gears 5 and the second planet gears 6 can be adaptively increased or decreased according to actual requirements, which is only one embodiment of the present invention and should not be limited thereto.

In this embodiment, the number of the transmission planetary carriers 4 is one, and one transmission planetary carrier 4 can be installed on a single side, for example, on one side of the first planetary gear 5 and the second planetary gear 6, according to different requirements, and the size of the gear transmission structure for increasing the output torque can be reduced. Of course, when the load is large, in order to ensure that sufficient power is provided, the bilateral transmission planet carriers 4 may be installed alternatively, that is, the number of the transmission planet carriers 4 is two, and the two transmission planet carriers 4 are respectively installed on two sides of the first planetary gear 5 and the second planetary gear 6.

It should be noted that the first planetary gear 5 and the second planetary gear 6 in the present embodiment are all multiple gears, specifically, the first planetary gear 5 and the second planetary gear 6 are both dual gears, the dual gears include a first layer gear and a second layer gear, the first layer gear and the second layer gear are stacked in sequence, the first layer gear of the first planetary gear 5 is engaged with the input member 2, the second layer gear of the first planetary gear 5 is engaged with the first fixed gear 7, the first layer gear of the second planetary gear 6 is engaged with the output member 3, and the second layer gear of the second planetary gear 6 is engaged with the second fixed gear 8. In specific application, other multiple gears such as a triple gear, a quadruple gear and the like can be selected according to requirements, and the transmission ratio can be changed by changing the meshing of the first fixed gear 7 and the second fixed gear 8 with different layers of gears of the multiple gear.

Example four

As shown in fig. 10 and 11, in the present embodiment, the input member 2 is a ring gear, the output member 3 is a ring gear, the transmission assembly includes the transmission carrier 4, the first planet gears 5 and the second planet gears 6, and the fixed assembly includes the first fixed gear 7 and the second fixed gear 8. The transmission planet carrier 4 is rotatably sleeved on the input shaft 1. The first planetary gear 5 and the second planetary gear 6 are arranged on the transmission planet carrier 4 in a non-coaxial mode, the first planetary gear 5 is meshed with the input member 2, and the second planetary gear 6 is meshed with the output member 3. The first fixed gear 7 and the second fixed gear 8 are both sleeved on the input shaft 1 and are both fixed relative to the input shaft 1, i.e. the first fixed gear 7 and the second fixed gear 8 do not rotate along with the rotation of the input member 2. The first fixed gear 7 meshes with the first planetary gears 5, and the second fixed gear 8 meshes with the second planetary gears 6.

According to the technical scheme, the first fixed gear 7 and the second fixed gear 8 are fixedly arranged, the first fixed gear 7 and the second fixed gear 8 can be fixedly sleeved on a shaft which does not rotate, and can also be fixedly connected to other fixedly arranged parts, so that when the input part 2 drives the transmission assembly to rotate, the first planetary gear 5 and the second planetary gear 6 are respectively subjected to the forces of the first fixed gear 7 and the second fixed gear 8, the force output by the output part 3 is improved, and a larger load can be driven.

In the present embodiment, the number of the first planet gears 5 and the number of the second planet gears 6 are three, the three first planet gears 5 are uniformly distributed around the first fixed gear 7, and the three second planet gears 6 and the three first planet gears 5 are non-coaxially arranged on the transmission planet carrier 4. Of course, the number of the first planet gears 5 and the second planet gears 6 can be adaptively increased or decreased according to actual requirements, and the above description is only one embodiment of the present invention, and should not be taken as a limitation.

It should be noted that the first planetary gear 5 in this embodiment is a multiple gear, specifically, the first planetary gear 5 is a dual gear, the dual gear includes a first layer gear and a second layer gear, the first layer gear and the second layer gear are stacked in sequence, the first layer gear of the first planetary gear 5 meshes with the input member 2, and the second layer gear of the first planetary gear 5 meshes with the first fixed gear 7. In specific application, other multiple gears such as a triple gear, a quadruple gear and the like can be selected according to requirements, and the transmission ratio can be changed by changing the meshing of the first fixed gear 7 and different layers of gears of the multiple gears.

In the concrete application, the gear drive structure for increasing output torque of this embodiment can use on the bicycle, step on the footboard when riding, the footboard drives input member 2 through input shaft 1 rather than being connected and rotates, input member 2 drives transmission assembly and rotates, finally drive output member 3 and rotate, output member 3 drives the gear chain rotation of bicycle again, move ahead with the drive bicycle, when transmission assembly rotates, second planetary gear 6 receives the power of second fixed gear 8 again, thereby make the power of being exported by output member 3 obtain improving, realize the laborsaving purpose of riding.

EXAMPLE five

As shown in fig. 12 and 13, in the present embodiment, the input member 2 is a ring gear, the output member 3 is a gear, the transmission assembly includes a transmission planet carrier 4, a first planetary gear 5 and a second planetary gear 6, and the fixed assembly includes a fixed ring gear 9; the transmission planet carrier 4 is rotationally sleeved on the input shaft 1; a first planetary gear 5 is arranged on the transmission planet carrier 4, and the first planetary gear 5 is meshed with the input member 2; the second planetary gear 6 is arranged on the transmission planet carrier 4 and is not coaxial with the first planetary gear 5, and the second planetary gear 6 is meshed with the first planetary gear 5, the fixed ring gear 9 and the output member 3 respectively.

In specific application, the power is connected with the input member 2, the input member 2 drives the first planetary gear 5 to rotate along the inner ring of the fixed gear ring 9, the first planetary gear 5 drives the transmission planet carrier 4 to rotate, the first planetary gear 5 rotates along with the rotation of the inner ring of the fixed gear ring 9 to drive the second planetary gear 6 to rotate, the second planetary gear 6 rotates while being driven by the transmission planet carrier 4 to rotate by taking the input shaft 1 as a rotating shaft, and the second planetary gear 6 rotates while being driven by the fixed gear ring 9 to drive the output member 3 to rotate, so as to drive a load connected with the output member 3.

This technical scheme sets up fixed ring gear 9 through fixed, and fixed ring gear 9 can be fixed cover and establish on the axle that does not rotate, also can be fixed connection on other fixed spare parts that set up for when input 2 drives the transmission assembly and rotates, second planetary gear 6 receives fixed ring gear 9's power again, thereby makes the power of being exported by output 3 obtain improving, and then can drive bigger load.

It should be noted that the first planetary gear 5 and the second planetary gear 6 in the present embodiment are all multiple gears, specifically, the first planetary gear 5 and the second planetary gear 6 are both dual gears, the dual gears include a first layer gear and a second layer gear, the first layer gear and the second layer gear are stacked in sequence, the first layer gear of the first planetary gear 5 is engaged with the input member 2, the second layer gear of the first planetary gear 5 is engaged with the first layer gear of the second planetary gear 6, and the second layer gear of the second planetary gear 6 is engaged with the second fixed gear 8 and the output member 3.

In a specific application, the gear transmission structure for increasing the output torque of the embodiment can be applied to a speed reducer, and the fixed gear ring 9 is fixedly arranged on the inner side wall of the box body of the speed reducer so as to provide force to the second planetary gears 6 when the transmission assembly rotates, so that the force output by the output member 3 is improved.

Example six

As shown in fig. 14 and 15, in the present embodiment, the input member 2 is a gear, the output member 3 is a ring gear, the transmission assembly includes a transmission carrier 4, first planet gears 5 and second planet gears 6, and the fixing assembly includes a fixed ring gear 9. The transmission planet carrier 4 is rotatably sleeved on the input shaft 1. The first planetary gear 5 is arranged on the transmission planet carrier 4, and the first planetary gear 5 is respectively meshed with the input member 2 and the fixed gear ring 9; the second planetary gear 6 is arranged on the transmission planet carrier 4 and is not coaxial with the first planetary gear 5, and the second planetary gear 6 is meshed with the first planetary gear 5 and the output member 3 respectively.

In the specific application, the power is connected with the input part 2, the input part 2 drives the first planetary gear 5 to rotate along the inner ring of the fixed gear ring 9, the first planetary gear 5 drives the transmission planet carrier 4 to rotate, the first planetary gear 5 rotates along the inner ring of the fixed gear ring 9 simultaneously to drive the second planetary gear 6 to rotate, the second planetary gear 6 rotates simultaneously under the driving of the transmission planet carrier 4 by taking the input shaft 1 as a rotating shaft, and the second planetary gear 6 drives the output part 3 to rotate, so that the load connected with the output part 3 is driven.

This technical scheme is through fixed ring gear 9 that sets up, and fixed ring gear 9 can be fixed cover and establish on the axle that does not rotate, also can be fixed connection on other fixed spare parts that set up for when input member 2 drives the transmission assembly and rotates, first planetary gear 5 receives fixed ring gear 9's power, and transmits for second planetary gear 6, thereby makes the power of being exported by output 3 obtain improving, and then can drive bigger load.

It should be noted that the first planetary gear 5 in this embodiment is a multiple gear, specifically, the first planetary gear 5 is a triple gear, the triple gear includes a first layer gear, a second layer gear, and a third layer gear, the first layer gear, the second layer gear, and the third layer gear are stacked in sequence, the first layer gear of the first planetary gear 5 meshes with the input member 2, the second layer gear of the first planetary gear 5 meshes with the fixed ring gear 9, and the third layer gear of the first planetary gear 5 meshes with the second planetary gear 6.

In a specific application, the gear transmission structure for increasing the output torque force of the embodiment can be applied to a speed reducer, and the fixed gear ring 9 is fixedly arranged on the inner side wall of the box body of the speed reducer so as to provide a force to the second planetary gears 6 when the transmission assembly rotates, so that the force output by the output member 3 is improved.

EXAMPLE seven

As shown in fig. 16 and 17, in the present embodiment, the input member 2 includes an input planet carrier, the transmission assembly includes the first planet gears 5, the output member 3 is a gear, and the fixed assembly includes the fixed ring gear 9. The first planetary gear 5 is arranged on the input member 2. The first planetary gears 5 mesh with the fixed ring gear 9 and the output member 3, respectively.

In a specific application, the power is connected with the input member 2, the input member 2 drives the first planetary gear 5 to rotate along the inner ring of the fixed gear ring 9, and the first planetary gear 5 drives the output member 3 to rotate, so that a load connected with the output member 3 is driven.

This technical scheme is through fixed ring gear 9 that sets up, and fixed ring gear 9 can be fixed cover and establish on the axle that does not rotate, also can be fixed connection on other fixed spare parts that set up for when input 2 drives the transmission assembly and rotates, first planetary gear 5 receives fixed ring gear 9's power again, thereby makes the power of being exported by output 3 obtain improving, and then can drive bigger load.

In the present embodiment, the number of the first planetary gears 5 is three, and the three first planetary gears 5 are uniformly arranged around the input shaft 1. Of course, the number of the first planet gears 5 can be adaptively increased or decreased according to actual requirements, and the above description is only an embodiment of the present invention, and should not be taken as a limitation.

It should be noted that the first planetary gear 5 in this embodiment is a multiple gear, specifically, the first planetary gear 5 is a dual gear, the dual gear includes a first layer gear and a second layer gear, the first layer gear and the second layer gear are stacked in sequence, the first layer gear of the first planetary gear 5 is engaged with the fixed ring gear 9, and the second layer gear of the first planetary gear 5 is engaged with the output member 3. In specific application, other multiple gears such as a triple gear and a quadruple gear can be selected according to requirements, and the transmission ratio can be changed by changing the meshing of the fixed gear ring 9 and different layers of gears of the multiple gears or changing the meshing of the output part 3 and the different layers of gears of the multiple gears.

Through being connected power is direct with input planet carrier in this embodiment for power can direct drive input planet carrier rotate, compares power and gear or ring gear and is connected, then the rethread first planetary gear 5 drives transmission planet carrier 4 and rotates, and power transmission is more direct, and has simplified the overall structure that is used for increasing output torque's gear drive structure.

Example eight

As shown in fig. 18 and 19, in the present embodiment, the input member 2 includes an input planet carrier, the transmission assembly includes the first planet gears 5, the output member 3 is a ring gear, and the fixing assembly includes the fixed ring gear 9. The first planetary gears 5 are arranged on the input part 2. The first planetary gears 5 are engaged with the fixed ring gear 9 and the output member 3, respectively.

In the embodiment, the gear ring is adopted as the output member 3, so that the rotating speed of the output member 3 can be further reduced compared with the seventh embodiment in which the gear is adopted as the output member 3, and a larger output torque can be obtained.

In a second aspect, the present invention further provides a gear transmission device for increasing output torque, which includes a plurality of gear transmission structures for increasing output torque, and a plurality of gear transmission structures for increasing output torque are connected according to a predetermined sequence.

The sequential connection means that two adjacent gear transmission structures for increasing the output torque are coaxially arranged, and the output member 3 of one gear transmission structure for increasing the output torque in the two adjacent gear transmission structures is connected with the input member 2 of the other gear transmission structure for increasing the output torque. For example, the gear transmission device for increasing the output torque force includes two gear transmission structures for increasing the output torque force, the two gear transmission structures for increasing the output torque force are respectively a first gear transmission structure for increasing the output torque force and a second gear transmission structure for increasing the output torque force, and the sequential connection of the first gear transmission structure for increasing the output torque force and the second gear transmission structure for increasing the output torque force means that the output member 3 of the first gear transmission structure for increasing the output torque force is connected with the input member 2 of the second gear transmission structure for increasing the output torque force; for another example, the gear transmission device for increasing the output torque includes three gear transmission structures for increasing the output torque, the three gear transmission structures for increasing the output torque are respectively a first gear transmission structure for increasing the output torque, a second gear transmission structure for increasing the output torque, and a third gear transmission structure for increasing the output torque, the first gear transmission structure for increasing the output torque, the second gear transmission structure for increasing the output torque, and the third gear transmission structure for increasing the output torque are sequentially connected, which means that the output member 3 of the first gear transmission structure for increasing the output torque is connected with the input member 2 of the second gear transmission structure for increasing the output torque, the input member 2 of the third gear transmission structure for increasing the output torque is connected with the output member 3 of the second gear transmission structure for increasing the output torque, and so on.

According to the technical scheme, the plurality of gear transmission structures used for increasing the output torsion are overlapped, the transmission ratio is changed under the condition that the force output by the independent gear transmission structure used for increasing the output torsion is improved, and compared with the independent gear transmission structure used for increasing the output torsion, the gear transmission structure can bear larger load.

In a third aspect, the present invention further provides a gear transmission device for increasing output torque, which includes an installation shaft and a combined output member, wherein the combined output member is sleeved on the installation shaft, and the combined output member can rotate relative to the installation shaft; the gear transmission device for increasing the output torsion is divided into a first transmission mechanism and a second transmission mechanism, the first transmission mechanism comprises at least one gear transmission device for increasing the output torsion, and the second transmission mechanism comprises at least two gear transmission devices for increasing the output torsion; the gear transmission device for increasing output torsion of the first transmission mechanism is sleeved on the mounting shaft, and the gear transmission devices for increasing output torsion of the second transmission mechanism are uniformly distributed by taking the mounting shaft as a center and are connected with the merging output piece.

Next, the structure of the gear transmission apparatus for increasing the output torque is specifically described by way of example.

Taking the case that the first transmission mechanism comprises a gear transmission device for increasing the output torsion, the second transmission mechanism comprises four gear transmission devices for increasing the output torsion as an example, an input shaft 1 of the gear transmission device for increasing the output torsion is in a straight line with the mounting shaft, the four gear transmission devices for increasing the output torsion are uniformly distributed by taking the mounting shaft as the center, four input pieces 2 of the four gear transmission devices for increasing the output torsion are connected with one output piece 3 of the gear transmission device for increasing the output torsion, and the four output pieces 3 of the four gear transmission devices for increasing the output torsion are connected with the combined output piece.

This technical scheme is through with a plurality of gear drive who is used for increasing output torsion superpose the range according to the preface, compares the gear drive who is used for increasing output torsion, further improves the drive ratio for output torsion further improves, thereby compares the gear drive who is used for increasing output torsion and can bear bigger load.

To sum up, the utility model discloses a gear drive structure, device and equipment for increasing output torque through for 1 fixed first fixed gear 7 or the fixed ring gear 9 that sets up of input shaft for during transmission of drive assembly's first planetary gear 5, receive first fixed gear 7 or the power of fixed ring gear 9 again, thereby make the power of being exported by output 3 to obtain improving, and then can drive bigger load, can be applied to on the bicycle, also can be applied to on other mechanical device that need the big moment of torsion, like reduction gear etc..

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A gear drive structure for increasing output torque force is connected with an input shaft and comprises an input piece, a drive assembly and an output piece, wherein the input piece is connected with the input shaft, the drive assembly is connected with the input piece, and the output piece is connected with the drive assembly, and the gear drive structure is characterized by further comprising: a fixing assembly; the fixed gear or the fixed gear ring is fixedly arranged relative to the input shaft, and the transmission assembly comprises a first planetary gear meshed with the first fixed gear or the fixed gear ring.

2. The gear transmission structure for increasing output torque according to claim 1, wherein the input member is a ring gear, the output member is a ring gear, the transmission assembly further comprises a transmission carrier and second planetary gears, the fixed assembly comprises a first fixed gear and a second fixed gear; the transmission planet carrier is rotationally sleeved on the input shaft; the first planetary gear is arranged on the transmission planet carrier, the first planetary gear is meshed with the input member and the first fixed gear respectively, the second planetary gear is arranged on the transmission planet carrier and is not coaxial with the first planetary gear, and the second planetary gear is meshed with the second fixed gear and the output member respectively.

3. The gear transmission structure for increasing output torque according to claim 1, wherein the input member is a ring gear, the output member is a gear, the transmission assembly further includes a transmission carrier and second planetary gears, and the stationary assembly includes a stationary ring gear; the transmission planet carrier is rotatably sleeved on the input shaft; the first planetary gear is arranged on the transmission planet carrier and is meshed with the input member; the second planetary gear is arranged on the transmission planet carrier and is not coaxial with the first planetary gear, and the second planetary gear is respectively meshed with the first planetary gear, the fixed gear ring and the output member.

4. The gear transmission structure for increasing output torque force according to claim 1, wherein the input member is a gear, the output member is a ring gear, the transmission assembly further includes a transmission carrier and second planetary gears, the fixed assembly includes a fixed ring gear; the transmission planet carrier is rotationally sleeved on the input shaft; the first planetary gear is arranged on the transmission planet carrier and is respectively meshed with the input member and the fixed gear ring; the second planetary gear is arranged on the transmission planet carrier and is not coaxial with the first planetary gear, and the second planetary gear is meshed with the first planetary gear and the output member respectively.

5. The gear transmission structure for increasing output torque according to claim 1, wherein the input member includes an input carrier, the output member is a gear, and the stationary assembly includes a stationary ring gear; the first planetary gear is arranged on the input member; the first planetary gear is engaged with the fixed ring gear and the output member, respectively.

6. The gear transmission structure for increasing output torque according to claim 1, wherein the input member includes an input carrier, the output member is a ring gear, and the stationary assembly includes a stationary ring gear; the first planetary gear is arranged on the input member; the first planetary gear is engaged with the fixed ring gear and the output member, respectively.

7. The gear transmission structure for increasing output torque according to any one of claims 1 to 6, wherein the first planetary gear is a multiple gear.

8. A gear transmission for increasing output torque, comprising the gear transmission structure for increasing output torque according to claim 7.

9. The gear transmission device for increasing output torque force according to claim 8, wherein the number of the gear transmission structures for increasing output torque force is plural, and the plural gear transmission structures for increasing output torque force are connected in sequence.

10. A gear transmission device for increasing output torque force, comprising a mounting shaft and a combined output member, wherein the combined output member is sleeved on the mounting shaft and can rotate relative to the mounting shaft, the gear transmission device for increasing output torque force is characterized by comprising a plurality of gear transmission devices according to claim 9, the plurality of gear transmission devices for increasing output torque force are divided into a first transmission mechanism and a second transmission mechanism, the first transmission mechanism comprises at least one gear transmission device for increasing output torque force, and the second transmission mechanism comprises at least two gear transmission devices for increasing output torque force; the gear transmission device for increasing output torsion of the first transmission mechanism is sleeved on the mounting shaft, and the gear transmission devices for increasing output torsion of the second transmission mechanism are uniformly distributed and arranged with the mounting shaft as a center and are connected with the combined output piece.