CN211288679U - Reduction gear box - Google Patents
Reduction gear box Download PDFInfo
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- CN211288679U CN211288679U CN201922209539.9U CN201922209539U CN211288679U CN 211288679 U CN211288679 U CN 211288679U CN 201922209539 U CN201922209539 U CN 201922209539U CN 211288679 U CN211288679 U CN 211288679U
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- aluminum alloy
- shaft sleeve
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- gear
- shaft
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Abstract
The utility model discloses a reduction gear box, it includes shell and gear train, the input shaft hole that the pivot that this shell front end was equipped with the power supply machine stretched into and was connected with the gear train, be equipped with power output shaft on the gear train, power output shaft stretches out in the shell rear end face, the shell is the aluminum alloy shell, and the gear train includes first duplicate gear, with the second duplicate gear of the first pinion meshing in the first duplicate gear, with the output gear of the second pinion meshing in the second duplicate gear, the first gear wheel of first duplicate gear and the pivot interlock of motor, this power output shaft wears to locate in this output gear; a first shaft sleeve and a second shaft sleeve are respectively arranged at two ends of a first shaft body in the first duplicate gear, a third shaft sleeve and a fourth shaft sleeve are respectively arranged at two ends of a second shaft body in the second duplicate gear, and the first shaft sleeve, the second shaft sleeve, the third shaft sleeve and the fourth shaft sleeve are respectively arranged on the inner wall of the shell. The utility model discloses structural strength is good, and the operation is stable, and the heat dissipation is good, also can not the oil leak.
Description
The technical field is as follows:
the utility model relates to a motor accessory technical field refers in particular to a reduction gear box.
Background art:
the speed reduction gear box achieves the purpose of speed reduction by utilizing the transmission of gears at all levels, the speed reduction gear box is generally used for transmission equipment with low rotating speed and large torque, and the ratio of the number of teeth of a large gear and a small gear of the speed reduction gear box is the transmission ratio; with the continuous development of society, more and more enterprises use reduction gear boxes.
Reduction gear among the prior art has structural strength not enough, and the radiating effect is not good, and has the phenomenon of easy oil leak, causes great puzzlement to the user.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide a reduction gear box.
In order to solve the technical problem, the utility model discloses a following technical scheme: the reduction gear box comprises a shell and a gear set arranged in the shell, wherein the front end of the shell is provided with an input shaft hole for a rotating shaft of a power supply machine to extend into and be connected with the gear set, the gear set is provided with a power output shaft, the power output shaft extends out of the rear end face of the shell, the shell is an aluminum alloy shell, the gear set comprises a first duplicate gear, a second duplicate gear meshed with a first pinion in the first duplicate gear, and an output gear meshed with a second pinion in the second duplicate gear, a first gearwheel of the first duplicate gear is linked with the rotating shaft of the motor, and the power output shaft penetrates through the output gear; and two ends of a first shaft body in the first duplicate gear are respectively provided with a first shaft sleeve and a second shaft sleeve, two ends of a second shaft body in the second duplicate gear are respectively provided with a third shaft sleeve and a fourth shaft sleeve, and the first shaft sleeve, the second shaft sleeve, the third shaft sleeve and the fourth shaft sleeve are respectively arranged on the inner wall of the shell.
Further, in the above technical solution, the housing includes an aluminum alloy housing and an aluminum alloy cover plate fixed on the aluminum alloy housing, a second groove body and a fourth groove body for mounting a second shaft sleeve and a fourth shaft sleeve are provided in the aluminum alloy housing, and the second shaft sleeve and the fourth shaft sleeve are respectively embedded and fixed in the second groove body and the fourth groove body; a first groove body and a third groove body for mounting a first shaft sleeve and a third shaft sleeve are arranged in the aluminum alloy cover plate, and the first shaft sleeve and the third shaft sleeve are respectively fixed in the first groove body and the third groove body in a clamping and embedding manner; the aluminum alloy cover plate is provided with the input shaft hole, and the aluminum alloy shell is provided with an output shaft hole for the power output shaft to pass through.
Furthermore, among the above-mentioned technical scheme, aluminum alloy shell opening part is provided with the confession the ladder groove of aluminum alloy cover plate installation to be provided with the screw in this ladder groove bottom, the ladder groove of this aluminum alloy cover plate inlay card installation to pass the screw in this screw of passing that the screw set up on this aluminum alloy cover plate through the screw, make this aluminum alloy cover plate be fixed in on this aluminum alloy shell.
Furthermore, in the above technical scheme, the outer wall of the opening of the aluminum alloy shell is inwardly provided with a plurality of positioning grooves which run through the stepped groove, the periphery of the aluminum alloy cover plate is provided with a plurality of positioning convex parts, and the positioning convex parts are clamped and embedded in the positioning grooves.
Furthermore, in the above technical solution, the other end of the aluminum alloy shell opposite to the opening is provided with a plurality of positioning pieces protruding outwards.
Furthermore, in the above technical scheme, the inner wall of the aluminum alloy cover plate is provided with a plurality of reinforcing ribs.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses a first duplicate gear and second duplicate gear and output gear cooperation realize speed reduction and increase moment of torsion, and first axle sleeve and the second axle sleeve that first axle body both ends set up respectively in this first duplicate gear are installed in the shell inner wall, third axle sleeve and fourth axle sleeve that second axle body both ends set up respectively in this second duplicate gear are established in the shell inner wall, guarantee first duplicate gear and second duplicate gear pivoted stability and smooth and easy with this, still can increase structural strength, and this first axle sleeve and second axle sleeve, third axle sleeve and fourth axle sleeve still play the effect of leak protection oil, this shell 1 is aluminum alloy housing, it has fabulous radiating effect, can guarantee the ageing of work, the order the utility model discloses it is more convenient to use, and have extremely strong market competition.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of another perspective of the present invention;
fig. 3 is an exploded perspective view of the present invention;
FIG. 4 is a perspective view of an aluminum alloy cover plate according to the present invention;
FIG. 5 is an assembly view of the aluminum cover plate and gear assembly of the present invention;
fig. 6 is an assembly view of a gear set in accordance with the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
As shown in fig. 1-6, a reduction gear box is provided, which includes a housing 1 and a gear set 2 installed in the housing 1, an input shaft hole 101 is provided at the front end of the housing 1 for a rotating shaft of a motor to extend into and connect with the gear set 2, the gear set 2 is provided with a power output shaft 20, the power output shaft 20 extends out of the rear end surface of the housing 1, the housing 1 is an aluminum alloy housing, and the gear set 2 includes a first duplicate gear 21, a second duplicate gear 22 engaged with a first pinion 211 in the first duplicate gear 21, and an output gear 23 engaged with a second pinion 221 in the second duplicate gear 22, the first pinion of the first duplicate gear 21 is interlocked with the rotating shaft of the motor, and the power output shaft 20 is inserted into the output gear 23; the first shaft body 212 of the first duplicate gear 21 is provided with a first shaft sleeve 213 and a second shaft sleeve 214 at two ends respectively, the second shaft body 222 of the second duplicate gear 22 is provided with a third shaft sleeve 223 and a fourth shaft sleeve 224 at two ends respectively, and the first shaft sleeve 213 and the second shaft sleeve 214, the third shaft sleeve 223 and the fourth shaft sleeve 224 are provided on the inner wall of the housing 1 respectively. The utility model adopts the first duplicate gear 21, the second duplicate gear 22 and the output gear 23 to realize speed reduction and torque increase, and a first shaft sleeve 213 and a second shaft sleeve 214 respectively arranged at two ends of the first shaft body 212 in the first duplicate gear 21 are installed on the inner wall of the housing 1, a third shaft sleeve 223 and a fourth shaft sleeve 224 respectively arranged at both ends of the second shaft body 222 in the second duplicate gear 22 are arranged on the inner wall of the housing 1, thereby ensuring the stability and smoothness of the rotation of the first duplicate gear 21 and the second duplicate gear 22, and increasing the structural strength, and the first and second bushings 213 and 214, the third and fourth bushings 223 and 224 also have the effect of preventing oil leakage, the housing 1 is an aluminum alloy housing, it has fabulous radiating effect, can guarantee the timeliness of work, the order the utility model discloses it is more convenient to use to extremely strong market competition has.
The shell 1 comprises an aluminum alloy shell 11 and an aluminum alloy cover plate 12 fixed on the aluminum alloy shell 11, a second groove body 111 and a fourth groove body 112 for mounting a second shaft sleeve 214 and a fourth shaft sleeve 224 are arranged in the aluminum alloy shell 11, and the second shaft sleeve 214 and the fourth shaft sleeve 224 are respectively fixed in the second groove body 111 and the fourth groove body 112 in a clamping and embedding manner, so that the stability of an assembly structure is ensured; be provided with first cell body 121 and the third cell body 122 that supplies first axle sleeve 213, the installation of third axle sleeve 223 in this aluminum alloy apron 12, this first axle sleeve 213, the inlay card is fixed in this first cell body 121 and the third cell body 122 respectively to the third axle sleeve 223, guarantees assembly structure's stability to can prevent that first axle body 212 and second axle body 222 are direct to wear to establish with shell 1, with be formed with the clearance, lead to the phenomenon of oil leak to appear. The aluminum alloy cover plate 12 is provided with the input shaft hole 101, and the aluminum alloy housing 11 is provided with an output shaft hole 102 through which the power output shaft 20 passes.
The opening of the aluminum alloy shell 11 is provided with a stepped groove 113 for the aluminum alloy cover plate 12 to be mounted, the bottom of the stepped groove 113 is provided with a screw hole 114, the aluminum alloy cover plate 12 is embedded in the stepped groove 113, and a screw passes through the aluminum alloy cover plate 12 and is screwed into the screw hole 114, so that the aluminum alloy cover plate 12 is fixed on the aluminum alloy shell 11. The outer wall of the opening of the aluminum alloy shell 11 is inwards provided with a plurality of positioning grooves 115 which run through the stepped groove 113, the periphery of the aluminum alloy cover plate 12 is provided with a plurality of positioning convex parts 123, and the positioning convex parts 123 are clamped and embedded in the positioning grooves 115, so that the aluminum alloy cover plate 12 and the aluminum alloy shell 11 are guaranteed to be more stable in structure and higher in strength.
The other end of the aluminum alloy shell 11 opposite to the opening is provided with a plurality of positioning pieces 116 protruding outwards for facilitating installation.
The inner wall of the aluminum alloy cover plate 12 is provided with a plurality of reinforcing ribs 124, which can enhance the strength.
In summary, the utility model adopts the first duplicate gear 21, the second duplicate gear 22 and the output gear 23 to realize the speed reduction and increase the torque, and a first shaft sleeve 213 and a second shaft sleeve 214 respectively arranged at two ends of the first shaft body 212 in the first duplicate gear 21 are installed on the inner wall of the housing 1, a third shaft sleeve 223 and a fourth shaft sleeve 224 respectively arranged at both ends of the second shaft body 222 in the second duplicate gear 22 are arranged on the inner wall of the housing 1, thereby ensuring the stability and smoothness of the rotation of the first duplicate gear 21 and the second duplicate gear 22, and increasing the structural strength, and the first and second bushings 213 and 214, the third and fourth bushings 223 and 224 also have the effect of preventing oil leakage, the housing 1 is an aluminum alloy housing, it has fabulous radiating effect, can guarantee the timeliness of work, the order the utility model discloses it is more convenient to use to extremely strong market competition has.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. The utility model provides a reduction gear box, its includes shell (1) and installs gear train (2) in shell (1), this shell (1) front end be provided with power supply machine the pivot stretch into and with input shaft hole (101) that gear train (2) are connected, be provided with power output shaft (20) on this gear train (2), this power output shaft (20) stretch out in shell (1) rear end face, its characterized in that:
the shell (1) is an aluminum alloy shell, the gear set (2) comprises a first duplicate gear (21), a second duplicate gear (22) meshed with a first pinion (211) in the first duplicate gear (21), and an output gear (23) meshed with a second pinion (221) in the second duplicate gear (22), a first gearwheel of the first duplicate gear (21) is linked with a rotating shaft of the motor, and the power output shaft (20) penetrates through the output gear (23); two ends of a first shaft body (212) in the first duplicate gear (21) are respectively provided with a first shaft sleeve (213) and a second shaft sleeve (214), two ends of a second shaft body (222) in the second duplicate gear (22) are respectively provided with a third shaft sleeve (223) and a fourth shaft sleeve (224), and the first shaft sleeve (213), the second shaft sleeve (214), the third shaft sleeve (223) and the fourth shaft sleeve (224) are respectively arranged on the inner wall of the shell (1).
2. A reduction gearbox according to claim 1, wherein: the shell (1) comprises an aluminum alloy shell (11) and an aluminum alloy cover plate (12) fixed on the aluminum alloy shell (11), a second groove body (111) and a fourth groove body (112) for mounting a second shaft sleeve (214) and a fourth shaft sleeve (224) are arranged in the aluminum alloy shell (11), and the second shaft sleeve (214) and the fourth shaft sleeve (224) are respectively fixed in the second groove body (111) and the fourth groove body (112) in a clamping and embedding manner; a first groove body (121) and a third groove body (122) for installing a first shaft sleeve (213) and a third shaft sleeve (223) are arranged in the aluminum alloy cover plate (12), and the first shaft sleeve (213) and the third shaft sleeve (223) are respectively fixed in the first groove body (121) and the third groove body (122) in a clamping and embedding manner; the aluminum alloy cover plate (12) is provided with the input shaft hole (101), and the aluminum alloy shell (11) is provided with an output shaft hole (102) for the power output shaft (20) to pass through.
3. A reduction gearbox according to any of claims 1-2, wherein: the opening of aluminum alloy casing (11) is provided with the confession ladder groove (113) that aluminum alloy cover plate (12) were installed to be provided with screw (114) in this ladder groove (113) bottom, this aluminum alloy cover plate (12) inlay card ladder groove (113) of installation to pass the screw in this screw (114) of passing that sets up on this aluminum alloy cover plate (12) through the screw, make this aluminum alloy cover plate (12) be fixed in on this aluminum alloy casing (11).
4. A reduction gearbox according to claim 3, wherein: the outer wall of the opening of the aluminum alloy shell (11) is inwards provided with a plurality of positioning grooves (115) which run through the stepped groove (113), the periphery of the aluminum alloy cover plate (12) is provided with a plurality of positioning convex parts (123), and the positioning convex parts (123) are clamped and embedded in the positioning grooves (115).
5. A reduction gearbox according to claim 3, wherein: the other end of the aluminum alloy shell (11) opposite to the opening is provided with a plurality of positioning sheets (116) protruding outwards.
6. A reduction gearbox according to claim 3, wherein: the inner wall of the aluminum alloy cover plate (12) is provided with a plurality of reinforcing ribs (124).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922209539.9U CN211288679U (en) | 2019-12-11 | 2019-12-11 | Reduction gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922209539.9U CN211288679U (en) | 2019-12-11 | 2019-12-11 | Reduction gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288679U true CN211288679U (en) | 2020-08-18 |
Family
ID=72013788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922209539.9U Active CN211288679U (en) | 2019-12-11 | 2019-12-11 | Reduction gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288679U (en) |
-
2019
- 2019-12-11 CN CN201922209539.9U patent/CN211288679U/en active Active
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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: 20211201 Address after: 523000 Room 301, building 1, No. 32, QiaoXin Second Road, Houjie Town, Dongguan City, Guangdong Province Patentee after: Guangdong Xinda Motor Co.,Ltd. Address before: 3 / F, building 2, No. 21, Hebei Industrial Zone, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Xinda Motor Co.,Ltd. |