CN215673463U - Face gear transmission gear box - Google Patents
Face gear transmission gear box Download PDFInfo
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- CN215673463U CN215673463U CN202122097580.9U CN202122097580U CN215673463U CN 215673463 U CN215673463 U CN 215673463U CN 202122097580 U CN202122097580 U CN 202122097580U CN 215673463 U CN215673463 U CN 215673463U
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Abstract
The utility model discloses an end face gear transmission gearbox, which comprises a gearbox driving part and a gearbox assembly matched with the gearbox driving part for use, wherein the gearbox assembly comprises a box body, an end face gear rotationally arranged in the box body through a rotating shaft and an output part matched with the end face gear for use; the end face gear comprises a gear main body connected with the rotating shaft, the gear main body is a cylindrical plate body, a circle of transmission part is arranged on the periphery of the gear main body, and transmission teeth are uniformly arranged at the top end of the transmission part; the gear box driving piece is connected with a gear box input gear, and the gear box input gear is meshed with the transmission part. The utility model adopts the involute gear and the involute conjugate curve face gear to realize 90-degree steering in the transmission direction, has compact structure, high meshing precision, stable transmission and low noise, and the face gear is molded by adopting a mold, thus having lower manufacturing cost.
Description
Technical Field
The utility model relates to a power output device and a power transmission technology, in particular to an end face gear transmission gearbox.
Background
Along with the rise of intelligent house, domestic appliance adopts intelligent settlement gradually, and in certain occasion needs, domestic appliance for realizing certain intelligent function, need use middle transmission pivot, and the gear box is one of the selection commonly used. In order to realize light weight and miniaturization of products, the gear box is required to be compact in structure and small in occupied space, in order to avoid the problem that the size of the gear box in a certain direction is too large, the axis of a motor of the gear box and the axis of a gear are required to be intersected by 90 degrees, the general method is to adopt worm and gear transmission, but the structure is relatively high in cost, the worm and gear transmission efficiency is low, the gear abrasion is large, and the service life is generally short; in some occasions, crown gear transmission is introduced into the smart home industry, the crown gear transmission can realize 90-degree intersection of axes, the structure is compact, the cost is low, but the tooth form of the crown gear is not a real involute tooth form, when the crown gear is meshed with the involute gear, the phenomenon of poor meshing exists, the meshing noise is increased, and the use experience of an actual product is influenced.
Therefore, there is a need to provide a face gear drive gearbox that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a face gear transmission gearbox.
The first technical scheme is as follows:
an end face gear transmission gearbox comprises a gearbox driving piece and a gearbox assembly matched with the gearbox driving piece, wherein the gearbox assembly comprises a box body, an end face gear rotationally arranged in the box body through a rotating shaft and an output piece matched with the end face gear; the end face gear comprises a gear main body connected with the rotating shaft, the gear main body is a cylindrical plate body, a circle of transmission part is arranged on the periphery of the gear main body, and transmission teeth are uniformly arranged at the top end of the transmission part; the gear box driving piece is connected with a gear box input gear, and the gear box input gear is meshed with the transmission part.
Furthermore, the transmission teeth are vertical teeth and are in 90-degree vertical meshing with the input gear of the gear box in a matching mode, and a 90-degree transmission structure with intersecting axes is formed.
Furthermore, the tooth part of the input gear of the gear box is in an involute tooth shape; the tooth profile of the transmission teeth of the face gear is a conjugate curve of an involute, so that a stable meshing transmission structure is formed.
Furthermore, the two ends of the transmission gear of the end face gear are provided with chamfers, and the chamfers form avoiding spaces when corresponding to the input gear of the gear box rotates, so that a transmission structure for avoiding meshing interference is formed.
Furthermore, the gear box driving part is composed of a motor, and a bearing is arranged at the joint of the rotating shaft and the box body.
Further, the output piece includes the rotatable output shaft that sets up in the box, and output shaft is connected with output gear.
Furthermore, the output piece is used with the face gear through the cooperation of middle transmission module.
Further, middle transmission module includes a plurality of middle transmission gears that mutually support and use, and a plurality of middle transmission gears all include middle transmission master gear and connect in the middle transmission of middle transmission master gear and attach the gear, and the transmission attaches the gear and introduces and drive middle transmission master gear rotation through middle transmission, drives the transmission of next stage once more and attaches the gear, forms steady rotation transmission structure.
Furthermore, the middle transmission gear is connected with the middle transmission rotating shaft, the middle transmission rotating shaft is rotatably arranged in the box body, and a bearing is arranged at the joint of the middle transmission rotating shaft and the box body.
Furthermore, the face gear is obtained by molding and is made of POM material.
Compared with the prior art, the utility model adopts the involute gear and the end face gear with the involute and the conjugate curve shape to realize the 90-degree steering in the transmission direction, has compact structure, high meshing precision, stable transmission and low noise, and the end face gear is molded by a mold, thus having lower manufacturing cost.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
FIG. 3 is a schematic structure of engagement between an input gear and a face gear of a gear case
Detailed Description
Example (b):
referring to fig. 1-2, the embodiment shows an end face gear transmission gearbox, which includes a gearbox driving member 1 and a gearbox assembly 2 used in cooperation with the gearbox driving member 1, where the gearbox assembly 2 includes a box 21, an end face gear 3 rotatably disposed in the box through a rotating shaft 31, and an output member 4 used in cooperation with the end face gear 3; the face gear 3 comprises a gear body 32 connected with the rotating shaft 31, the gear body 42 is a cylindrical plate body and is provided with a circle of transmission parts 33 on the periphery, and transmission teeth 34 are uniformly arranged at the top ends of the transmission parts 33; the gearbox driving member 1 is connected with a gearbox input gear 11, and the gearbox input gear 11 is meshed with the transmission part 33.
The transmission teeth 34 are vertical teeth and are vertically meshed with the input gear 11 of the gear box at 90 degrees in a matching manner to form a transmission structure with the axis crossed at 90 degrees.
The tooth part of the input gear 11 of the gear box is of an involute tooth shape; the tooth profile of the transmission teeth 34 of the face gear 3 is a conjugate curve of an involute, so that a stable meshing transmission structure is formed.
Referring to fig. 3, fig. 3 shows a schematic structure of the engagement of the input gear and the face gear of the gear box.
Both ends of the transmission gear 34 of the face gear 3 are provided with chamfers, and the chamfers form avoiding spaces when corresponding to the rotation of the input gear of the gear box, so that a transmission structure for avoiding meshing interference is formed.
The gear box driving part 1 is composed of a motor, and a bearing is arranged at the joint of the rotating shaft 31 and the box body.
The output member 4 includes an output shaft 41 rotatably provided in the case 21, and an output gear 42 is connected to the output shaft 41.
The output member 4 is used in cooperation with the face gear 3 through an intermediate transfer module 5.
The face gear 3 is correspondingly connected with a face gear auxiliary gear 6.
The middle transmission module 5 comprises a plurality of middle transmission gears 51 which are mutually matched for use, the middle transmission gears 51 comprise a middle transmission main gear and a middle transmission auxiliary gear connected to the middle transmission main gear, the transmission is led in through the middle transmission auxiliary gear to drive the middle transmission main gear to rotate, the transmission of the next stage is driven to attach the gear again, a stable rotation transmission structure is formed, the first stage of the transmission of the middle transmission gears is that the end face gear attaches the gear 6 to drive the middle transmission auxiliary gear, and the last stage is that the middle transmission auxiliary gear drives the output gear 42.
The intermediate transmission gear 51 is connected to the intermediate transmission 52, the intermediate transmission rotating shaft 52 is rotatably arranged in the box body 21, and a bearing is arranged at the connection part of the box body 21 and the intermediate transmission rotating shaft 52.
The face gear 3 is obtained by molding and is made of a POM material.
Compared with the prior art, the utility model adopts the involute gear and the end face gear with the involute and the conjugate curve shape to realize the 90-degree steering in the transmission direction, has compact structure, high meshing precision, stable transmission and low noise, and the end face gear is molded by a mold, thus having lower manufacturing cost.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A face gear drive gearbox characterized in that: the gearbox assembly comprises a box body, an end face gear rotationally arranged in the box body through a rotating shaft, and an output component matched with the end face gear; the end face gear comprises a gear main body connected with the rotating shaft, the gear main body is a cylindrical plate body, a circle of transmission part is arranged on the periphery of the gear main body, and transmission teeth are uniformly arranged at the top end of the transmission part; the gear box driving piece is connected with a gear box input gear, and the gear box input gear is meshed with the transmission part.
2. A face gear drive gearbox according to claim 1 wherein: the transmission teeth are vertical teeth and are in vertical engagement with the input gear of the gear box at 90 degrees to form a transmission structure with the axis intersecting at 90 degrees.
3. A face gear drive gearbox according to claim 2 wherein: the tooth part of the input gear of the gear box is in an involute tooth shape; the tooth profile of the transmission teeth of the face gear is a conjugate curve of an involute, so that a stable meshing transmission structure is formed.
4. A face gear drive gearbox according to claim 3 wherein: the both ends of face gear's driving gear all are provided with the chamfer, and the chamfer forms when corresponding gear box input gear rotates and dodges the space, and then forms and avoids the meshing to interfere transmission structure.
5. A face gear drive gearbox according to claim 4 wherein: the gear box driving part is composed of a motor, and a bearing is arranged at the joint of the rotating shaft and the box body.
6. A face gear drive gearbox according to claim 5 wherein: the output piece comprises an output shaft which is rotatably arranged in the box body, and the output shaft is connected with an output gear.
7. A face gear drive gearbox according to any of claims 1 to 6 wherein: the output piece is used with the face gear through the middle transmission module.
8. A face gear drive gearbox according to claim 7 wherein: the middle transmission module comprises a plurality of middle transmission gears which are mutually matched for use, the middle transmission gears comprise a middle transmission main gear and a middle transmission auxiliary gear connected to the middle transmission main gear, the transmission is introduced through the middle transmission auxiliary gear to drive the middle transmission main gear to rotate, the transmission of the next stage is driven to attach the gear again, and a stable rotation transmission structure is formed.
9. A face gear drive gearbox according to claim 8 wherein: the middle transmission gear is connected with the middle transmission rotating shaft, the middle transmission rotating shaft is rotatably arranged in the box body, and a bearing is arranged at the joint of the middle transmission rotating shaft and the box body.
10. A face gear drive gearbox according to claim 8 or 9 wherein: the face gear is obtained by molding and is made of POM material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122097580.9U CN215673463U (en) | 2021-09-01 | 2021-09-01 | Face gear transmission gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122097580.9U CN215673463U (en) | 2021-09-01 | 2021-09-01 | Face gear transmission gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673463U true CN215673463U (en) | 2022-01-28 |
Family
ID=79958507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122097580.9U Active CN215673463U (en) | 2021-09-01 | 2021-09-01 | Face gear transmission gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673463U (en) |
-
2021
- 2021-09-01 CN CN202122097580.9U patent/CN215673463U/en active Active
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