CN203670703U - Reduction gearbox - Google Patents
Reduction gearbox Download PDFInfo
- Publication number
- CN203670703U CN203670703U CN201320879827.5U CN201320879827U CN203670703U CN 203670703 U CN203670703 U CN 203670703U CN 201320879827 U CN201320879827 U CN 201320879827U CN 203670703 U CN203670703 U CN 203670703U
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- CN
- China
- Prior art keywords
- bearing
- bevel gear
- end cap
- casing
- splined shaft
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- Expired - Fee Related
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Abstract
The utility model provides a reduction gearbox and belongs to the technical field of transmission. The reduction gearbox solves the problems that an existing reduction gearbox is poor in sealing performance and lubricating effect. The reduction gearbox comprises a gearbox body provided with a straight-through type forced-filling oil cup and a spline shaft arranged in the gearbox body. One end of the spline shaft is sleeved with a first bearing with the outer ring fixedly connected with the gearbox body, the other end of the spline shaft is sleeved with a second bearing with the outer ring fixedly connected with the gearbox body, and the other end of the spline shaft penetrates out of the gearbox body. A bevel gear is fixed to the spline shaft through a positioning structure, a flange end cover is arranged on the gearbox body, a bevel gear shaft perpendicular to the spline shaft is arranged in the flange end cover, the bevel gear shaft is meshed with the bevel gear, the bevel gear shaft is sleeved with a third bearing and a fourth bearing with the outer rings fixedly connected with the flange end cover, and a first joint type forced-filling oil cup is further arranged on the flange end cover. The reduction gearbox has the advantages of being good in sealing performance and lubricating effect and the like.
Description
Technical field
The utility model belongs to drive technology field, relates to a kind of speed reducer.
Background technique
Speed reducer is generally used for the transmission device of low rotation speed large torque, motor, internal-combustion engine or other power running up are reached to the object of deceleration by the gearwheel on the few gear engagement output shaft of the number of teeth on the input shaft of speed reducer, common speed reducer also has and several same principle gear is reached to desirable deceleration effect, the ratio of the number of teeth of large small gear, be exactly velocity ratio, the gear in speed reducer is lubricated by the lubricant oil being filled in speed reducer.Existing speed reducer generally only arranges a pouring orifice, and lubricant oil can not reach the each place in casing, causes having operative gear to can not get lubricating in casing, and lubrication effect is poor; And between casing and end cap, seal ring not being set, sealing effect is poor.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the speed reducer of a kind of good sealing effect, high lubricating effect.
The purpose of this utility model can realize by following technical proposal:
This speed reducer, comprise and which is provided with the casing of straight-through type forced filling oil cup and be located at the splined shaft in casing, one end of described splined shaft is arranged with the bearing one that its outer ring and casing are connected, the other end of described splined shaft is arranged with the bearing two that its outer ring and casing are connected, and the other end of described splined shaft wears out casing, on described splined shaft, be fixed with bevel gear by position structure, it is characterized in that, described casing is provided with flange end cap, in described flange end cap, be provided with the bevel gear shaft perpendicular with splined shaft, described bevel gear shaft is meshed with bevel gear, on described bevel gear shaft, be arranged with bearing three and bearing four that its outer ring and flange end cap are connected, described flange end covers and is also provided with joint type forced filling oil cup one.When installation, first bevel gear is fixed on splined shaft by position structure, then one end of splined shaft is installed in bearing meaning, the other end of splined shaft is installed in bearing two, then packs bevel gear shaft into, make to turn gear shaft and be meshed with bevel gear, after bearing three is nested on bevel gear shaft, flange end cap is bolted on casing, then bearing four is encased between flange end cap and bevel gear shaft, install.In casing, inject lubricant oil by straight-through type forced filling oil cup, in flange end cap, inject lubricant oil by joint type forced filling oil cup, make the lubrication effect of whole speed reducer better.Bearing one, bearing two, bearing three and bearing four are deep groove ball bearing.This speed reducer can be determined according to actual requirement the number of teeth of bevel gear shaft and bevel gear, and when splined shaft is during as input shaft, the number of teeth of bevel gear shaft is greater than the number of teeth of bevel gear; When splined shaft is during as output shaft, the number of teeth of bevel gear shaft is less than the number of teeth of bevel gear.
In above-mentioned a kind of speed reducer, one end place that described casing is positioned at splined shaft is provided with end cap one, the outer ring of above-mentioned bearing one is resisted against on this end cap one, between described end cap one and casing, is provided with sealed paper packing ring one, and described straight-through type forced filling oil cup is located on this end cap one.End cap one is bolted on casing, can facilitate packing into of splined shaft, is provided with sealed paper packing ring one between end cap one and casing, and good airproof performance is injected into lubricant oil in casing from straight-through type forced filling oil cup, there will not be the phenomenon of leakage.
In above-mentioned a kind of speed reducer, the other end place that described casing is positioned at splined shaft is provided with end cap two, the outer ring of above-mentioned bearing two is resisted against on this end cap two, between described end cap two and casing, is provided with sealed paper packing ring two, on described end cap two, is also provided with joint type forced filling oil cup two.Splined shaft passes end cap two, and end cap two is bolted on casing, can facilitate splined shaft to be encased in casing, is provided with sealed paper packing ring two between end cap two and casing, strengthens sealing, and the lubricant oil being injected in casing can not leak.
In above-mentioned a kind of speed reducer, described position structure comprises the positioning step one be located on splined shaft and above-mentioned bearing one, and one end of described bevel gear is resisted against on this positioning step one, and the other end of described bevel gear is resisted against on the inner ring of bearing one.
In above-mentioned a kind of speed reducer, on described splined shaft, be also provided with positioning step two, the inner of described bearing two is resisted against on this positioning step two.
In above-mentioned a kind of speed reducer, between described positioning step two and bearing two, be provided with anti-oil cap.
Compared with prior art, this speed reducer has the following advantages:
Bevel gear shaft is vertical with splined shaft to be arranged, and makes outbound course vertical with input direction, meets specific work environments requirement, applied widely; Be equiped with respectively end cap one and end cap two at the two ends of casing, the convenient installation to splined shaft, and between end cap one and casing, be provided with sealed paper packing ring one, between end cap two and casing, be provided with sealed paper packing ring two, strengthen sealing, the lubricant oil in casing can not be leaked; Be provided with straight-through type forced filling oil cup, joint type forced filling oil cup one and joint type forced filling oil cup two, can inject lubricant oil to the different parts of casing and flange end cap, make its within keep good lubrication effect.
Brief description of the drawings
Fig. 1 is the sectional view of a kind of preferred embodiment of providing of the utility model.
In figure, 1, straight-through type forced filling oil cup; 2, casing; 3, splined shaft; 4, bearing one; 5, bearing two; 6, bevel gear; 7, flange end cap; 8, bevel gear shaft; 9, bearing three; 10, bearing four; 11, joint type forced filling oil cup one; 12, end cap one; 13, sealed paper packing ring one; 14, end cap two; 15, sealed paper packing ring two; 16, joint type forced filling oil cup two; 17, positioning step one; 18, positioning step two; 19, anti-oil cap.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Speed reducer as shown in Figure 1, comprise and which is provided with the casing 2 of straight-through type forced filling oil cup 1 and be located at the splined shaft 3 in casing 2, one end of splined shaft 3 is arranged with the bearing 1 that its outer ring and casing 2 are connected, the other end of splined shaft 3 is arranged with the bearing 25 that its outer ring and casing 2 are connected, and the other end of splined shaft 3 wears out casing 2, on splined shaft 3, be fixed with bevel gear 6 by position structure.As shown in Figure 1, casing 2 is provided with flange end cap 7, in flange end cap 7, be provided with the bevel gear shaft 8 perpendicular with splined shaft 3, bevel gear shaft 8 is meshed with bevel gear 6, on bevel gear shaft 8, be arranged with bearing 39 and bearing 4 10 that its outer ring and flange end cap 7 are connected, on flange end cap 7, be also provided with joint type forced filling oil cup 1.When installation, first bevel gear 6 is fixed on splined shaft 3 by position structure, then one end of splined shaft 3 is installed in bearing meaning, the other end of splined shaft 3 is installed in bearing 25, then packs bevel gear shaft 8 into, make to turn gear shaft and be meshed with bevel gear 6, after bearing 39 is nested on bevel gear shaft 8, flange end cap 7 is bolted on casing 2, then bearing 4 10 is encased between flange end cap 7 and bevel gear shaft 8, install.Toward the interior injection lubricant oil of casing 2, toward the interior injection lubricant oil of flange end cap 7, make the lubrication effect of whole speed reducer better by joint type forced filling oil cup by straight-through type forced filling oil cup 1.Bearing 1, bearing 25, bearing 39 and bearing 4 10 are deep groove ball bearing.This speed reducer can be determined according to actual requirement the number of teeth of bevel gear shaft 8 and bevel gear 6, and when splined shaft 3 is during as input shaft, the number of teeth of bevel gear shaft 8 is greater than the number of teeth of bevel gear 6; When splined shaft 3 is during as output shaft, the number of teeth of bevel gear shaft 8 is less than the number of teeth of bevel gear 6.
As shown in Figure 1, one end place that casing 2 is positioned at splined shaft 3 is provided with end cap 1, and the outer ring of bearing 1 is resisted against on this end cap 1, between end cap 1 and casing 2, is provided with sealed paper packing ring 1, and straight-through type forced filling oil cup 1 is located on this end cap 1.End cap 1 is bolted on casing 2, can facilitate packing into of splined shaft 3, between end cap 1 and casing 2, be provided with sealed paper packing ring 1, good airproof performance, lubricant oil is injected in casing 2 from straight-through type forced filling oil cup 1, there will not be the phenomenon of leakage.
As shown in Figure 1, the other end place that casing 2 is positioned at splined shaft 3 is provided with end cap 2 14, and the outer ring of bearing 25 is resisted against on this end cap 2 14, between end cap 2 14 and casing 2, is provided with sealed paper packing ring 2 15, is also provided with joint type forced filling oil cup 2 16 on end cap 2 14.Splined shaft 3 passes end cap 2 14, and end cap 2 14 is bolted on casing 2, can facilitate splined shaft 3 to be encased in casing 2, between end cap 2 14 and casing 2, is provided with sealed paper packing ring 2 15, strengthens sealing, and the lubricant oil being injected in casing 2 can not leak.
Position structure in the present embodiment comprises the positioning step 1 be located on splined shaft 3 and above-mentioned bearing 1, and as shown in Figure 1, one end of bevel gear 6 is resisted against on this positioning step 1, and the other end of bevel gear 6 is resisted against on the inner ring of bearing 1.
As shown in Figure 1, be also provided with positioning step 2 18 on splined shaft 3, the inner of bearing 25 is resisted against on this positioning step 2 18, is provided with anti-oil cap 19 between positioning step 2 18 and bearing 25.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. a speed reducer, comprise and which is provided with the casing (2) of straight-through type forced filling oil cup (1) and be located at the splined shaft (3) in casing (2), one end of described splined shaft (3) is arranged with the bearing one (4) that its outer ring and casing (2) are connected, the other end of described splined shaft (3) is arranged with the bearing two (5) that its outer ring and casing (2) are connected, and the other end of described splined shaft (3) wears out casing (2), described splined shaft (3) is upper is fixed with bevel gear (6) by position structure, it is characterized in that, described casing (2) is provided with flange end cap (7), in described flange end cap (7), be provided with the bevel gear shaft (8) perpendicular with splined shaft (3), described bevel gear shaft (8) is meshed with bevel gear (6), on described bevel gear shaft (8), be arranged with bearing three (9) and bearing four (10) that its outer ring and flange end cap (7) are connected, on described flange end cap (7), be also provided with joint type forced filling oil cup one (11).
2. a kind of speed reducer according to claim 1, it is characterized in that, one end place that described casing (2) is positioned at splined shaft (3) is provided with end cap one (12), the outer ring of above-mentioned bearing one (4) is resisted against on this end cap one (12), between described end cap one (12) and casing (2), be provided with sealed paper packing ring one (13), described straight-through type forced filling oil cup (1) is located on this end cap one (12).
3. a kind of speed reducer according to claim 1, it is characterized in that, the other end place that described casing (2) is positioned at splined shaft (3) is provided with end cap two (14), the outer ring of above-mentioned bearing two (5) is resisted against on this end cap two (14), between described end cap two (14) and casing (2), be provided with sealed paper packing ring two (15), on described end cap two (14), be also provided with joint type forced filling oil cup two (16).
4. according to a kind of speed reducer described in claim 1 or 2 or 3, it is characterized in that, described position structure comprises the positioning step one (17) be located on splined shaft (3) and above-mentioned bearing one (4), it is upper that one end of described bevel gear (6) is resisted against this positioning step one (17), and the other end of described bevel gear (6) is resisted against on the inner ring of bearing one (4).
5. a kind of speed reducer according to claim 4, is characterized in that, on described splined shaft (3), is also provided with positioning step two (18), and the inner of described bearing two (5) is resisted against on this positioning step two (18).
6. a kind of speed reducer according to claim 5, is characterized in that, between described positioning step two (18) and bearing two (5), is provided with anti-oil cap (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879827.5U CN203670703U (en) | 2013-12-30 | 2013-12-30 | Reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879827.5U CN203670703U (en) | 2013-12-30 | 2013-12-30 | Reduction gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670703U true CN203670703U (en) | 2014-06-25 |
Family
ID=50967001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320879827.5U Expired - Fee Related CN203670703U (en) | 2013-12-30 | 2013-12-30 | Reduction gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670703U (en) |
-
2013
- 2013-12-30 CN CN201320879827.5U patent/CN203670703U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |