CN208074100U - Hub reduction gear - Google Patents
Hub reduction gear Download PDFInfo
- Publication number
- CN208074100U CN208074100U CN201820577339.1U CN201820577339U CN208074100U CN 208074100 U CN208074100 U CN 208074100U CN 201820577339 U CN201820577339 U CN 201820577339U CN 208074100 U CN208074100 U CN 208074100U
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- gear
- planet wheel
- level
- shell
- sun gear
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Abstract
The utility model provide a kind of novel in structural design, it is compact, allow stable hub reduction gear；Including shell, shell is made of left housing and right shell, further includes the through-hole run through on right shell and the line shaft being connect with shell internal gear group；Gear set includes the secondary solar gear being set on shell internally-powered axis, it is set to the level-one sun gear of shell internally-powered axis front end, the primary planet wheel being set on planet wheel spindle, primary planet wheel is set to by planet wheel bearing on planet wheel spindle, and level-one sun gear is engaged with primary planet wheel, secondary solar gear is set to by bearing on line shaft, the middle part of left housing is equipped with circular hole, cover board is equipped in circular hole, the edge of cover board is fixed by the left housing of bolt and bore edges, middle part on the inside of cover board is equipped with the stop block being oppositely arranged with line shaft, it is equipped at least one stop bit column positioned at the side of stop block, the front end of stop bit column extends to the sidewall direction of level-one sun gear and is oppositely arranged with the side wall of level-one sun gear.
Description
Technical field
The utility model is related to technical field of automobile accessories more particularly to a kind of hub reduction gears.
Background technology
Hub reduction gear is afterbody deceleration torsion increasing device in automotive transmission, can be met total using hub reduction gear
Transmission ratio under the same conditions, makes the load of the components such as speed changer, transmission shaft, main reducing gear, differential mechanism, semiaxis reduce, size
The advantages that becoming smaller and drive axle is made to obtain the larger road clearance, it is widely used in load truck, motorbus, cross-country
It in automobile and some other large-scale work mine car, but is found in the actual use of hub reduction gear, in hub reduction gear
Because the factors such as installation preset clearance, installation error, in use its can shift in the axial direction, line shaft occurs line shaft
Offset can drive the components such as level-one, secondary solar gear in shell to shift, and create an impression to gear set, reduce gear set
Service life.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of structure design
It is novel, compact, allow stable hub reduction gear.
In order to realize the purpose of this utility model, technical solution is used by the utility model：
A kind of hub reduction gear, including shell are designed, shell is made of left housing and right shell, further includes logical on right shell
The line shaft of Kong Bingyu shell internal gear groups connection；The gear set includes the two level sun being set on shell internally-powered axis
It takes turns, the level-one sun gear for being set to shell internally-powered axis front end, the primary planet wheel being set on planet wheel spindle, the level-one row
Star-wheel is set to by planet wheel bearing on planet wheel spindle, and the level-one sun gear is engaged with the primary planet wheel, described
Secondary solar gear is set to by bearing on line shaft, and the middle part of the left housing is equipped with circular hole, and cover board, the lid are equipped in circular hole
The edge of plate is fixed by the left housing of bolt and bore edges, and the middle part on the inside of cover board is equipped with and is oppositely arranged with the line shaft
Stop block, the side for being located at stop block are equipped at least one stop bit column, the side wall of the front end of the stop bit column to level-one sun gear
Direction extends and is oppositely arranged with the side wall of level-one sun gear；
Preferably, the internal layer sidewall for being located at the level-one sun gear is equipped with ring-shaped step, and ring-shaped step is equipped with ring-type
Thrust washer, the side wall of the thrust washer contacts or is spaced setting with the side wall of the secondary solar gear；
Preferably, thrust plate there are two being set on the planet wheel spindle of primary planet wheel both sides；
Preferably, the sleeve of the secondary solar gear on level-one sun gear direction prolongs to level-one sun gear direction
It stretches, and is being equipped with annular guiding groove in the sleeve lateral wall extended forward, solid is cased with fixing sleeve on planet wheel spindle, institute
The lower wall for stating fixing sleeve is equipped with the directing plate extended to annular guiding groove, and the directing plate is located in annular guiding groove.
Preferably, the stop bit column is at least two and is symmetrical arranged.
Preferably, the stop block is cylindrical shape.
Preferably, the cover board, stop block, stop bit column three are structure as a whole.
Preferably, the directing plate is connect by directing plate fixing bolt with the fixing sleeve end.
The beneficial effects of the utility model are：
It is the design its novel in structural design, compact, level-one in line shaft and shell, two level can be prevented by the design too
The components such as sun wheel move axially.
Description of the drawings
Fig. 1 is the profile status structural schematic diagram of the utility model；
Fig. 2 is the portions A enlarged structure schematic diagram in Fig. 1.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples：
Embodiment 1：A kind of hub reduction gear, referring to Fig. 1, Fig. 2.
Including shell, shell is made of left housing and right shell 2, further include the through-hole on the right shell and with shell internal gear group
The line shaft 1 of connection；The gear set includes the secondary solar gear 4 being set on shell internally-powered axis 1, is set in shell and moves
The level-one sun gear 5 of 1 front end of power axis, the primary planet wheel 11 being set on planet wheel spindle 9, the primary planet wheel 11 pass through row
Bearing of planetary gear 10 is set on planet wheel spindle 9, and the level-one sun gear 5 is engaged with the primary planet wheel 11, the two level
Sun gear 4 is set to by bearing 17 on line shaft 1（It is the prior art above）.
Specifically, the design is to be equipped with circular hole at the middle part of the left housing, cover board 3, the side of the cover board 3 are equipped in circular hole
Edge is fixed by the left housing of bolt and bore edges, and the middle part of 3 inside of cover board is equipped with the stop bit being oppositely arranged with the line shaft 1
Block 7, by this stop block 7 with limit line shaft to the left shell side to movement, and set there are two stop bit positioned at the side of stop block 7
The front end of column 8, the stop bit column 8 extends to the sidewall direction of level-one sun gear 5 and is set in opposite directions with the side wall of level-one sun gear 5
Set, by stop bit column limit level-one sun gear 5 to the left shell side to movement（Left direction in figure）.
Further, the design is equipped with ring-shaped step, annular table also on the internal layer sidewall positioned at the level-one sun gear 5
Rank is equipped with cricoid thrust washer 6, and the side wall of the thrust washer 6 is contacted or is spaced with the side wall of the secondary solar gear 4
Setting, with the contact of 4 side wall of secondary solar gear preventing level-one sun gear 5 by this thrust washer 6, shell side is to movement to the right, together
When, level-one sun gear 5 can be limited between the two, improve level-one sun gear 5 by the cooperation of thrust washer 6 and stop bit column 8
Stability when operation.
Further, the design is also set on the planet wheel spindle positioned at 11 both sides of primary planet wheel there are two thrust plate
12,13；Primary planet wheel 11 is prevented by two clampings of thrust plate 12,13 to limit moving left and right for primary planet wheel.
Further, in the design, the sleeve of the secondary solar gear 4 on 5 direction of level-one sun gear is to level-one
Sun gear direction extends, and annular guiding groove is being equipped in the sleeve lateral wall extended forward, is located at solid on planet wheel spindle 9
It is cased with fixing sleeve 14, the lower wall of the fixing sleeve 14 is equipped with the directing plate 15 extended to annular guiding groove, the directing plate
It is connect with 14 end of the fixing sleeve by directing plate fixing bolt 16, the directing plate 15 is located in annular guiding groove, two
When grade sun gear 4 rotates, how annular guiding groove set rotates on the end of directing plate 15, is guided by this directing plate 15 and annular
The cooperation of slot can limit the axial movement of secondary solar gear 4.
Further, stop bit column 8 described above is at least two and is symmetrical arranged, and the stop block 7 is cylindrical shape.
Further, the cover board, stop block, stop bit column three are structure as a whole.
What the embodiments of the present invention were announced is preferred embodiment, and however, it is not limited to this, the common skill of this field
Art personnel understand the spirit of the utility model easily according to above-described embodiment, and make different amplification and variation, but as long as
The spirit of the utility model is not departed from, it is all within the protection scope of the present utility model.
Claims (5)
1. a kind of hub reduction gear, including shell, shell is made of left housing and right shell, further include the through-hole on the right shell and with
The line shaft of shell internal gear group connection；The gear set includes the secondary solar gear being set on shell internally-powered axis, setting
Level-one sun gear, the primary planet wheel that is set on planet wheel spindle in shell internally-powered axis front end, the primary planet wheel are logical
It crosses planet wheel bearing to be set on planet wheel spindle, and the level-one sun gear is engaged with the primary planet wheel, the two level is too
Sun wheel is set to by bearing on line shaft, it is characterised in that：The middle part of the left housing is equipped with circular hole, and cover board is equipped in circular hole,
The edge of the cover board is fixed by the left housing of bolt and bore edges, and the middle part on the inside of cover board is equipped with opposite with the line shaft
The stop block of setting, the side for being located at stop block are equipped at least one stop bit column, and the front end of the stop bit column is to level-one sun gear
Sidewall direction extend and be oppositely arranged with the side wall of level-one sun gear；
It is equipped with ring-shaped step positioned at the internal layer sidewall of the level-one sun gear, ring-shaped step is equipped with cricoid thrust washer,
The side wall of the thrust washer contacts or is spaced setting with the side wall of the secondary solar gear；
Thrust plate there are two being set on the planet wheel spindle of primary planet wheel both sides；
The sleeve of secondary solar gear on the level-one sun gear direction extends to level-one sun gear direction, and positioned to
The sleeve lateral wall of preceding extension is equipped with annular guiding groove, and solid is cased with fixing sleeve on planet wheel spindle, under the fixing sleeve
Side wall is equipped with the directing plate extended to annular guiding groove, and the directing plate is located in annular guiding groove.
2. hub reduction gear as described in claim 1, it is characterised in that：The stop bit column is at least two and is symmetrical arranged.
3. hub reduction gear as claimed in claim 2, it is characterised in that：The stop block is cylindrical shape.
4. hub reduction gear as claimed in claim 3, it is characterised in that：The cover board, stop block, stop bit column three are integrated
Structure.
5. hub reduction gear as claimed in claim 4, it is characterised in that：The directing plate passes through directing plate fixing bolt and institute
State the connection of fixing sleeve end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820577339.1U CN208074100U (en) | 2018-04-23 | 2018-04-23 | Hub reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820577339.1U CN208074100U (en) | 2018-04-23 | 2018-04-23 | Hub reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208074100U true CN208074100U (en) | 2018-11-09 |
Family
ID=64044625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820577339.1U Active CN208074100U (en) | 2018-04-23 | 2018-04-23 | Hub reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208074100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303191A (en) * | 2020-11-27 | 2021-02-02 | 南京高速齿轮制造有限公司 | Wind power gear box |
-
2018
- 2018-04-23 CN CN201820577339.1U patent/CN208074100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303191A (en) * | 2020-11-27 | 2021-02-02 | 南京高速齿轮制造有限公司 | Wind power gear box |
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