CN-116838774-B - Driving device and electronic product

CN116838774BCN 116838774 BCN116838774 BCN 116838774BCN-116838774-B

Abstract

The embodiment of the application discloses a driving device and an electronic product, wherein the driving device comprises a base, a driving piece and a transmission mechanism, a positioning hole is formed in the base, an annular convex edge is arranged at the end part of the driving piece and embedded in the positioning hole, the transmission mechanism comprises an input gear, an output gear and a transmission gear assembly, the input gear is connected with a driving shaft of the driving piece, the transmission gear assembly is rotatably arranged on the base and is meshed and connected with the input gear and the output gear, and the output gear is used for outputting power. The base can guarantee the centre-to-centre spacing between drive gear subassembly and the input gear, and the input gear can be connected with the gear of drive gear subassembly meshing accurately, therefore, the input gear can stably drive the drive gear subassembly to rotate when rotating to guarantee that drive arrangement can export power outwards steadily.

Inventors

WANG JUNHENG
YANG XIAOYUN
LEI XIAODONG

Assignees

深圳市兆威机电股份有限公司

Dates

Publication Date: 20260508
Application Date: 20230821

Claims (7)

1. A driving device, characterized by comprising: The base is provided with a positioning hole; the end part of the driving piece, which is used for the driving shaft to extend out, is provided with an annular convex edge, the annular convex edge and the driving shaft of the driving piece are coaxially arranged, and the annular convex edge is embedded in the positioning hole; the transmission mechanism comprises an input gear, an output gear and a transmission gear assembly, wherein the input gear is connected with a driving shaft of the driving piece, the transmission gear assembly is rotatably arranged on the base and is in meshed connection with the input gear and the output gear, and the output gear is used for outputting power; the transmission gear assemblies are at least two and are independently arranged, and each transmission gear assembly is rotationally connected with the base; Each path of transmission gear assembly comprises one or more gear structures, each gear structure comprises a transmission gear shaft, a first gear and a second gear, wherein: The transmission gear shaft is connected with the base; The first gear and the second gear are connected with the transmission gear shaft, wherein the second gear of the previous gear structure is meshed with the first gear of the next gear structure, so that a plurality of gear structures are sequentially meshed and connected, the first gear of the first gear structure is meshed with the input gear, the second gear of the tail gear structure is meshed with the output gear, and part of transmission gear shafts of the gear structures can be arranged for the same transmission gear shaft; The transmission gear shaft is fixedly connected with the base, the first gear and the second gear are integrally arranged and are rotationally connected with the transmission gear shaft, or the transmission gear shaft is rotationally connected with the base.
2. A drive arrangement according to claim 1, wherein the transmission further comprises a bracket, the bracket comprising: one end of the connecting piece is connected with the base; the other end part of the connecting piece is connected with the top seat; the support sleeves are sleeved on the connecting piece, one end of at least one support sleeve is propped against the base, and one end of the other support sleeve is propped against the top seat; The partition board is sleeved on the outer side of the connecting piece and is propped between the adjacent supporting sleeves, and a gear shaft of the transmission mechanism is connected with the partition board.
3. A drive arrangement according to claim 1, wherein the transmission mechanism further comprises: The bracket comprises a connecting piece and a top seat, one end part of the connecting piece is connected with the base, and the other end part of the connecting piece is connected with the top seat; The output shaft is connected with the footstock, and the output gear is connected with the output shaft.
4. A driving device according to claim 3, wherein said support further comprises The output shaft is rotationally connected with the top seat through the first output bearing; The fixed sleeve is connected with the output shaft; the first support pad is sleeved on the output shaft and is propped between the fixed sleeve and the inner ring body of the first output bearing.
5. The driving device according to claim 4, wherein the support further comprises a second output bearing, an inner ring sleeve, an outer ring sleeve and an elastic pad, wherein the output shaft is rotatably connected with the top seat through the second output bearing, the inner ring sleeve is abutted between the inner ring body of the first output bearing and the inner ring body of the second output bearing, the outer ring sleeve is abutted between the outer ring body of the first output bearing and the outer ring body of the second output bearing, and the elastic pad is abutted between the inner ring sleeve and the inner ring body of the first output bearing and/or the second output bearing.
6. The driving device according to claim 5, further comprising a support and a hall sensor, wherein the support is in interference fit with the tail of the driving member, and the hall sensor is disposed on the support and is configured to detect a working condition of the driving member.
7. An electronic product comprising the driving device according to any one of claims 1 to 6.

Description

Driving device and electronic product Technical Field The embodiment of the application relates to the technical field of mechanical transmission, in particular to a driving device and an electronic product. Background In the prior art, the driving device includes a driving member, an input gear, an output gear, and a transmission gear assembly disposed between the input gear and the output gear, wherein the transmission gear assembly has one gear engaged with the input gear and another gear engaged with the output gear. In the power transmission stage, the driving piece drives the input gear to rotate, power is input from the input gear and is transmitted to the output gear through the transmission gear assembly, and the output gear outputs power. The position of the driving piece and the position of the transmission gear assembly are often not set in place, so that the center distance between the transmission gear assembly and the input gear is influenced, and therefore, the stability of the transmission gear assembly in transmission is poor, the transmission gear assembly is influenced to stably transmit power from the input gear to the output gear through the transmission gear assembly, the power output of the driving device is influenced, and the long-term unstable operation of the transmission gear assembly also seriously influences the service life of the driving device. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a driving device and an electronic product, wherein the driving device can stably finish the output of power. In a first aspect, the present invention provides a driving device, comprising: The base is provided with a positioning hole; the end part of the driving piece, which is used for the driving shaft to extend out, is provided with an annular convex edge, the annular convex edge and the driving shaft of the driving piece are coaxially arranged, and the annular convex edge is embedded in the positioning hole; The transmission mechanism comprises an input gear, an output gear and a transmission gear assembly, wherein the input gear is connected with a driving shaft of the driving piece, the transmission gear assembly is rotatably arranged on the base and is meshed and connected with the input gear and the output gear, and the output gear is used for outputting power. According to some embodiments of the invention, at least two of the drive gear assemblies are provided and independently provided, and each of the drive gear assemblies is rotatably coupled to the base. According to some embodiments of the invention, each of the drive gear assemblies comprises one or more gear structures, each of the gear structures comprising a drive gear shaft, a first gear, and a second gear, wherein: The transmission gear shaft is connected with the base; The first gear and the second gear are connected with the transmission gear shaft, wherein the second gear of the previous gear structure is meshed with the first gear of the next gear structure, so that a plurality of gear structures are sequentially meshed and connected, the first gear of the first gear structure is meshed with the input gear, the second gear of the tail gear structure is meshed with the output gear, and part of transmission gear shafts of the gear structures can be arranged for the same transmission gear shaft; The transmission gear shaft is fixedly connected with the base, the first gear and the second gear are integrally arranged and are rotationally connected with the transmission gear shaft, or the transmission gear shaft is rotationally connected with the base. According to some embodiments of the invention, the drive gear assembly comprises a first gear assembly and a second gear assembly, wherein: The first gear assembly comprises a first gear shaft, a first driving gear, a second driving gear, a third driving gear and a fourth driving gear, the first gear shaft is rotationally connected with the base, the first driving gear, the second driving gear, the third driving gear and the fourth driving gear are all connected with the first gear shaft, the first driving gear is meshed with the input gear, and the second driving gear is meshed with the output gear; The second gear assembly comprises a second gear shaft, a first driven gear and a second driven gear, wherein the second gear shaft is rotationally connected with the base, the first driven gear is connected with the second gear shaft and meshed with the third driving gear, and the second driven gear is connected with the second gear shaft and meshed with the fourth driving gear. According to some embodiments of the invention, the transmission mechanism further comprises a support, wherein the support comprises a connecting piece, a top seat, at least two support sleeves, a partition plate and a gear shaft, one end of the connecting piece is connected with the