CN211231516U - Split torque transmission type differential engine for electric golf trolley - Google Patents
Split torque transmission type differential engine for electric golf trolley Download PDFInfo
- Publication number
- CN211231516U CN211231516U CN201922362141.9U CN201922362141U CN211231516U CN 211231516 U CN211231516 U CN 211231516U CN 201922362141 U CN201922362141 U CN 201922362141U CN 211231516 U CN211231516 U CN 211231516U
- Authority
- CN
- China
- Prior art keywords
- worm wheel
- worm
- motor
- output shaft
- differential
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to an electronic golf bag car is with components of a whole that can function independently biography torsional formula differential engine, including the motor, and the differential mechanism that links to each other with the motor, differential mechanism includes the casing, with the motor worm meshing's of motor worm wheel, and two output shafts of being connected with worm gear drive, the worm wheel is installed in the casing through bearing I of its both sides, every output shaft is installed in the casing and is set up the both sides at the worm wheel through two bearings II respectively, the inside planetary gear that installs through metal insert of worm wheel, the output shaft towards the tip of worm wheel install with planetary gear meshing's sun gear. The utility model discloses a worm wheel and output shaft adopt independent fixed mode, avoid the worm wheel to receive the influence because of the distortion of output shaft to guarantee the even running of differential engine.
Description
Technical Field
The utility model belongs to the technical field of the differential engine of ball chartered plane car, concretely relates to for electronic golf chartered plane components of a whole that can function independently pass and turn round formula differential engine.
Background
The differential engine is a combined structure of a differential and a driving mechanism, can simultaneously drive two driving wheels and simultaneously enable the two driving wheels to rotate at different rotating speeds, and is widely applied to the field of various vehicles. Traditional differential engine worm wheel is floated in the casing, does not set up fixed knot and constructs, and when two output shafts received the exogenic action, the output shaft can be this effort direct transmission to the worm wheel on, lead to the worm wheel skew, influence the effective meshing of worm wheel and motor worm.
In addition, the planetary gears of some existing differential engines are directly installed in worm gears, and the worm gears are made of plastic materials, so that deformation and jumping of the outer circles of the worm gears are easily caused when the differential engines are used, and transmission precision is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electronic golf bag car is with components of a whole that can function independently biography torsional type differential engine to solve the problem of worm wheel skew.
The utility model discloses an electronic golf bag car is with components of a whole that can function independently biography formula differential engine of turning round realizes like this:
the utility model provides an electronic golf bag car is with components of a whole that can function independently biography torsional formula differential engine, including the motor, and with differential mechanism that the motor links to each other, differential mechanism include the casing, with the motor worm engaged's of motor worm wheel, and with two output shafts that worm wheel transmission is connected, the worm wheel is installed through bearing I of its both sides in the casing, every output shaft is installed in the casing and is set up the both sides at the worm wheel through two bearing II respectively, the inside planetary gear that installs through metal insert of worm wheel, the output shaft orientation the tip of worm wheel install with planetary gear engaged's sun gear.
Furthermore, the shell is formed by assembling two opposite half shells, and the two half shells are connected through screws and bolts.
Furthermore, the metal insert is arranged in the inner ring of the worm wheel, an installation cavity is formed in the metal insert, and the planetary gear is installed in the installation cavity through a pin shaft.
Furthermore, a torsion shaft connected with the two sun gears is arranged in the inner ring of the metal insert.
Furthermore, the end part of the motor worm is arranged on the worm positioning block, and the worm positioning block is detachably arranged on the shell.
After the technical scheme is adopted, the utility model discloses the beneficial effect who has does:
(1) the worm wheel and the output shaft of the utility model are mutually independent, the worm wheel is fixed by the bearing I, and the output shaft is fixed by the bearing II, so that the stable operation of the worm wheel is ensured, and the influence of the external force of the output shaft on the meshing of the worm wheel and the motor worm is avoided;
(2) the utility model discloses a metal insert installs planetary gear in the worm wheel, can reduce the deformation and the beating of worm wheel outer lane, guarantees worm wheel and motor worm meshing's precision, lowers the noise that produces when moving.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural view of a split torque transmission type differential engine for an electric golf bag cart according to a preferred embodiment of the present invention;
FIG. 2 is an exploded view of a split torque transmission differential engine for an electric golf trolley according to a preferred embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a plan view of a split torque transmission differential engine for an electric golf bag cart according to a preferred embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is an enlarged view of portion D of FIG. 5;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4;
fig. 8 is a structural view of a worm wheel assembly of a split torque transmission type differential engine for an electric golf bag cart according to a preferred embodiment of the present invention;
FIG. 9 is an exploded view of the housing of the split torque transmission differential engine for the electric golf bag cart according to the preferred embodiment of the present invention;
in the figure: the motor 1, the differential mechanism 2, the casing 3, the motor worm 4, the worm wheel 5, the output shaft 6, bearing I7, bearing II 8, metal insert 9, planetary gear 10, sun gear 11, screw 12, bolt 13, installation cavity 14, round pin axle 15, axle sleeve 16, pillow block 17, round hole 18, worm locating piece 19, half casing 20, worm wheel holding cavity 21, I holding cavity 22 of bearing, II holding cavity 23 of bearing, worm holding cavity 24, mounting hole 25, end plate 26, open hole 27.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.
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 work belong to the protection scope of the present invention.
As shown in fig. 1-9, a split torque transmission differential engine for an electric golf trolley comprises a motor 1 and a differential 2 connected with the motor 1, wherein the differential 2 comprises a housing 3, a worm wheel 5 engaged with a motor worm 4 of the motor 1, and two output shafts 6 in transmission connection with the worm wheel 5, the worm wheel 5 is installed in the housing 3 through bearings i 7 on two sides of the worm wheel 5, each output shaft 6 is installed in the housing 3 and arranged on two sides of the worm wheel 5 through two bearings ii 8, a planetary gear 10 is installed in the worm wheel 5 through a metal insert 9, and a sun gear 11 engaged with the planetary gear 10 is installed on the end part, facing the worm wheel 5, of the output shaft 6.
Specifically, bearing I7 is installed in the both sides of worm wheel 5 to utilize bearing I7 to fix worm wheel 5, guarantee its stability, prevent to receive output shaft 6's influence, guarantee the driven stationarity of worm wheel 5, be difficult for gnawing the tooth, the noise is low.
And each output shaft 6 is fixed through two bearings II 8, wherein one bearing II 8 is arranged on the outer side of the sun gear 11, and the other bearing II 8 is arranged at the position of the output shaft at the end part of the shell 3, so that the position of the output shaft 6 is fixed.
The arrangement of six bearings realizes the independent fixation of the worm wheel 5 and the output shaft 6, and prevents the influence between the two.
The shell 3 of the existing differential 2 generally adopts a split structure and is formed by combining a plurality of plastic parts, for example, a bearing, a worm wheel 5, an end cover and the like respectively adopt independent structures and are then assembled, and the operation is unstable and the noise is high due to the deformation and assembly errors of the plastic parts. In the present embodiment, therefore, the housing 3 is assembled by two opposite half shells 20, and the two half shells 20 are connected by the screws 12 and the bolts 13.
The shape of the half shell 20 can be set according to the specific internal structure thereof, the assembling position thereof is the same as the axial direction of the differential 2, and the two-piece assembling structure can reduce the assembling error, improve the integral precision of the differential engine and reduce the running noise.
Specifically, referring to fig. 9, the middle portion of the half casing 20 is a worm wheel accommodating cavity 21 for accommodating the worm wheel 5, two sides of the worm wheel accommodating cavity 21 are bearing i accommodating cavities 22 for accommodating the bearing i 7, the outer sides of the two bearing i accommodating cavities 22 and two ends of the half casing 20 are bearing ii accommodating cavities 23 for accommodating the bearings ii 8, a worm accommodating cavity 24 for accommodating the motor worm 4 is arranged above the worm wheel accommodating cavity 21, the accommodating cavities are communicated with each other, and mounting holes 25 for mounting bolts or screws are arranged on the outer sides of the respective accommodating cavities.
In addition, for the convenience of connecting the differential with the motor, an end plate 26 connected with the motor 1 is arranged outside the worm accommodating cavity 24 of one half shell 20, and an open hole 27 is arranged outside the worm accommodating cavity 24 of the other half shell 20.
Specifically, the axial length of the metal insert 9 is greater than that of the worm wheel 5, so that the bearing I7 can be conveniently installed on the metal inserts 9 on the two sides of the worm wheel 5.
The arrangement of the metal insert 9 can reduce the deformation and the jumping of the excircle of the worm wheel 5, thereby ensuring the meshing precision of the worm wheel 5 and the motor worm 4 and reducing the transmission noise. The planetary gears 10 are fixed in the mounting cavity 14 through the pin shafts 15, so that the planetary gears 10 can rotate in respective tracks in order, and can be well meshed with the sun gear 11, and the transmission precision is guaranteed.
The metal insert 9 may be, but is not limited to, an aluminum insert, which may reduce the weight of the entire differential engine, or a carbon steel insert.
In the differential torque transmission mechanism of the existing differential 2, namely, the opposite end parts of the two output shafts 6 are respectively provided with a shaft sleeve 16 and a shaft boss 17 which are integrated with the output shafts 6, the shaft sleeve 16 and the shaft boss 17 are matched in the central hole of the worm wheel 5, and damping oil is added at the joint to achieve certain torque force to realize linear running, and when the output shafts 6 receive external force, the shaft sleeve 16 and the shaft boss 17 are easy to be seized, so that severe abrasion of the gear teeth of the worm wheel 5 is caused, therefore, in the embodiment, a torque shaft connected with the two sun gears 11 is installed in the inner ring of the metal insert 9.
Specifically, the torsion shaft comprises a shaft sleeve 16 connected with one sun gear 11 and a shaft platform 17 connected with the other sun gear 11, the shaft sleeve 16 is matched with the shaft platform 17, and damping oil is added between the shaft sleeve 16 and the shaft platform 17, so that the torsion requirement during straight line driving is met.
In addition, the torsion shaft and the output shaft 6 of the embodiment adopt a split design, a large gap is formed between the torsion shaft and the worm wheel 5 and the output shaft 6, the worm wheel 5 and the output shaft 6 are not interfered with each other, even if the output shaft 6 is twisted by external force, the worm wheel 5 cannot be influenced by the output shaft 6, and the torsion shaft can adapt to the high-frequency bumping condition.
The worm wheel 5, the planetary gear 10 and the metal insert 9 constitute a worm wheel assembly for transmitting the torque force of the motor 1 to the output shaft 6.
The traditional differential engine is used for the round hole 18 of the 4 tip of fixed motor worm to directly set up on the casing 3 of differential mechanism 2, when the casing 3 of production appears warping, this round hole 18 can't guarantee with the concentricity of motor worm 4, the assembly back by force, motor worm 4 can produce the distortion, cause the running state bad condition, and can produce the noise, consequently, in this embodiment, the tip of motor worm 4 is installed on worm locating piece 19, and worm locating piece 19 demountable installation is on casing 3.
Specifically, the worm positioning block 19 is mounted at the outer end of the open hole 27 of the worm accommodating cavity 24.
Preferably, the worm wheel positioning block 19 is mounted on the housing 3 by screws 12.
When the differential engine is used, the motor 1 drives the motor worm 4 to rotate, the motor worm 4 is meshed with the worm wheel 5, the worm wheel 5 and the planet gear 10 on the inner side of the worm wheel are driven to follow the revolution of the worm wheel 5, and therefore the planet gear 10 is meshed with the sun gear 11 to drive the output shafts 6 on two sides of the worm wheel 5 to rotate.
When a turn is required, the friction force between the planet gear 10 and the sun gear 11 positioned on the inner side of the steering angle is increased, the planet gear 10 can rotate under the action of the sun gear 11, so that the rotating speed of the output shaft 6 positioned on the inner side of the steering angle is less than that of the other output shaft 6, the differential rotation of the two output shafts 6 is realized, and the effect of steering is achieved.
The utility model discloses a differential engine, its intensity is high, and the uniformity is good, moves more steadily, and is longe-lived, and is not fragile, can deal with the high-frequency place of jolting, has greatly reduced the noise when differential mechanism 2 operates.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A split torque transmission type differential engine for an electric golf trolley is characterized by comprising a motor (1), and a differential (2) connected with the motor (1), wherein the differential (2) comprises a shell (3) and a worm wheel (5) meshed with a motor worm (4) of the motor (1), and two output shafts (6) in transmission connection with the worm wheel (5), wherein the worm wheel (5) is arranged in the shell (3) through bearings I (7) on two sides of the worm wheel, each output shaft (6) is arranged in the shell (3) and arranged on two sides of the worm wheel (5) through two bearings II (8) respectively, a planetary gear (10) is arranged in the worm wheel (5) through a metal insert (9), the end of the output shaft (6) facing the worm wheel (5) is provided with a sun gear (11) which is meshed with the planet gear (10).
2. The split torque transmission differential engine for the electric golf trolley according to claim 1, wherein the housing (3) is assembled by two opposite half shells (20), and the two half shells (20) are connected by a screw (12) and a bolt (13).
3. The split torque transmission differential engine for the electric golf trolley according to claim 1, wherein the metal insert (9) is arranged in an inner ring of the worm wheel (5), a mounting cavity (14) is arranged on the metal insert (9), and the planetary gear (10) is mounted in the mounting cavity (14) through a pin shaft (15).
4. The split torque transmission differential engine for the electric golf trolley according to claim 1, wherein a torsion shaft connected with the two sun gears (11) is installed in the inner ring of the metal insert (9).
5. The split torque transmission differential engine for the electric golf trolley according to claim 1, wherein the end of the motor worm (4) is mounted on a worm positioning block (19), and the worm positioning block (19) is detachably mounted on the housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362141.9U CN211231516U (en) | 2019-12-24 | 2019-12-24 | Split torque transmission type differential engine for electric golf trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362141.9U CN211231516U (en) | 2019-12-24 | 2019-12-24 | Split torque transmission type differential engine for electric golf trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231516U true CN211231516U (en) | 2020-08-11 |
Family
ID=71931259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922362141.9U Active CN211231516U (en) | 2019-12-24 | 2019-12-24 | Split torque transmission type differential engine for electric golf trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2604910A (en) * | 2021-03-18 | 2022-09-21 | Motocaddy Ltd | Electric golf trolley transmissions |
-
2019
- 2019-12-24 CN CN201922362141.9U patent/CN211231516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2604910A (en) * | 2021-03-18 | 2022-09-21 | Motocaddy Ltd | Electric golf trolley transmissions |
| WO2022194962A1 (en) * | 2021-03-18 | 2022-09-22 | Motocaddy Limited | Electric golf trolley transmissions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11584427B2 (en) | Steering device and vehicle wheel mounting module including the same | |
| CN110185748B (en) | Integrated robot joint structure | |
| CN108019470A (en) | Combined type cycloid planetary speed reducer | |
| CN211231516U (en) | Split torque transmission type differential engine for electric golf trolley | |
| CN110034631A (en) | A kind of In-wheel motor drive device and electric vehicle | |
| CN207853662U (en) | A kind of In-wheel motor drive device and electric vehicle | |
| CN113357315A (en) | Body driver, driving joint and robot | |
| CN211166443U (en) | One-way rotary type single-motor deceleration engine for electric golf trolley | |
| CN213685179U (en) | Differential housing for vehicle reduction gearbox | |
| CN213270893U (en) | Multistage gear drive speed reducer | |
| CN210318407U (en) | Integrated robot joint structure | |
| CN209925523U (en) | Planetary cycloidal speed reducer for light robot | |
| CN210618365U (en) | Middle-arranged motor fixing device and frame system of electric bicycle | |
| CN211328044U (en) | Double-motor deceleration engine and double-wheel constant-speed control golf trolley | |
| CN211568223U (en) | Shaft transmission structure of bicycle | |
| CN219975254U (en) | Modularized wheel-side speed reducer | |
| CN207616613U (en) | A kind of industrial robot joint driving device | |
| CN216519431U (en) | High-precision planetary reducer | |
| CN214838281U (en) | Nutation transmission structure | |
| CN220523189U (en) | Speed reducer | |
| CN204533436U (en) | A kind of cycloid disc of speed reducer | |
| CN112013084A (en) | Gear box and driving device with same | |
| CN217683122U (en) | Reduction gearbox of electric industrial vehicle of direct-connection differential mechanism | |
| CN219760790U (en) | Hub gear motor assembly structure and mowing robot using same | |
| CN219888639U (en) | Longitudinal power input driving box assembly and electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201231 Address after: No. 16-8, Tongzi Hexi Road, Zhonglou Development Zone, Changzhou City, Jiangsu Province Patentee after: CADDIESTER GOLF BUGGY TECHNOLOGY Ltd. Address before: 213000 Xinggang Road, Zhonglou Development Zone, Changzhou City, Jiangsu Province, 65-17 Patentee before: TED GOLF EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220811 Address after: 213000 Xinggang Road, Zhonglou Development Zone, Changzhou City, Jiangsu Province, 65-17 Patentee after: TED GOLF EQUIPMENT Co.,Ltd. Address before: No. 16-8, Tongzi Hexi Road, Zhonglou Development Zone, Changzhou City, Jiangsu Province Patentee before: CADDIESTER GOLF BUGGY TECHNOLOGY Ltd. |