CN204572941U - A kind of speed reducer - Google Patents
A kind of speed reducer Download PDFInfo
- Publication number
- CN204572941U CN204572941U CN201520234505.4U CN201520234505U CN204572941U CN 204572941 U CN204572941 U CN 204572941U CN 201520234505 U CN201520234505 U CN 201520234505U CN 204572941 U CN204572941 U CN 204572941U
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- gear
- gear unit
- casing
- case lid
- speed reducer
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Abstract
The utility model discloses a kind of speed reducer, comprising casing, the case lid matched with described casing, being arranged on the first gear unit, the second gear unit and the 3rd gear unit enclosed by described casing and described case lid in the space that formed, for isolating the oil sealing of fluid, wherein, described first gear unit is connected with motor, described second gear unit for using the transmission of power on described first gear unit to as described 3rd gear unit of output terminal, described first gear unit and described 3rd gear unit are respectively arranged with described oil sealing.The utility model have simple and compact for structure, transmission efficiency is high, bearing capacity is strong, the advantage of low, the easy maintenance service of good reliability, noise.
Description
Technical field:
The utility model relates to technical field of mechanical transmission, relates to the speed reducer that a kind of motor wagon uses in particular.
Background technique:
It is power that motor wagon refers to vehicle power, drives wheels travel with motor, meets the vehicle of road traffic, Safety regulations requirements.Motor wagon does not have the waste gas produced during internal combustion engine, does not produce exhaust pollution, is very useful, therefore, is more and more subject to the favor of people to the cleaning of environmental protection and air.Speed reducer on motor wagon plays coupling rotating speed and transmitting torque between prime mover and working machine or actuator, is the key factor weighing motor wagon performance.The speed reducer not only complex structure of existing motor wagon, take up room large, and transmission efficiency is not high.
Model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and provides a kind of speed reducer, its have simple and compact for structure, transmission efficiency is high, bearing capacity is strong, the advantage of low, the easy maintenance service of good reliability, noise.
Technology solution of the present utility model is as follows:
A kind of speed reducer, comprising casing, the case lid matched with described casing, being arranged on the first gear unit, the second gear unit and the 3rd gear unit enclosed by described casing and described case lid in the space that formed, for isolating the oil sealing of fluid, wherein, described first gear unit is connected with motor, described second gear unit for using the transmission of power on described first gear unit to as described 3rd gear unit of output terminal, described first gear unit and described 3rd gear unit are respectively arranged with described oil sealing.
Preferred as technique scheme, described first gear unit comprises the first gear shaft and is set in the clutch shaft bearing at described first gear shaft two ends, wherein, described first gear shaft is rotatably arranged on and is enclosed in the space that formed by described casing and described case lid.
Preferred as technique scheme, described second gear unit comprises the driving gear be meshed with described first gear shaft, the second gear shaft be connected with described driving gear, the second bearing of being set in described second gear shaft two ends, wherein, described second gear shaft is rotatably arranged on and is enclosed in the space that formed by described casing and described case lid.
Preferred as technique scheme, described driving gear and described second gear shaft interference are fixed.
Preferred as technique scheme, described 3rd gear unit comprises the output gear be meshed with described second gear shaft, the differential carrier be connected with described output gear, the cross axle be connected with described differential carrier, to be arranged in described differential carrier and to be positioned at the planetary pinion at described cross axle two ends, the differential gear be meshed with described planetary pinion, be set in the 3rd bearing on described output gear and described differential carrier, the both sides being arranged on described cross axle of described differential gear symmetry, wherein, the teeth portion of described differential gear is positioned at the space that described output gear and described differential carrier enclose, axle portion extends to the outside of the housing be made up of described casing and described case lid.
Preferred as technique scheme, described output gear and described differential carrier are bolted to connection.
Preferred as technique scheme, described oil sealing is separately positioned on the abutting end place of described first gear shaft and described casing, described differential gear and the abutting end place of described casing and the abutting end place of described differential gear and described case lid.
Preferred as technique scheme, described casing is fixedly connected with by screw bolt and nut with described case lid.
The beneficial effects of the utility model are: by the second gear unit using the transmission of power on the first gear unit to as on the 3rd gear unit of output terminal, output gear and the differential carrier of described 3rd gear unit are connected, differential carrier is driven to rotate by output gear, differential carrier is provided with cross axle, cross axle is provided with planetary pinion, planetary pinion rotates along with the rotation of described differential carrier, described planetary rotation drives again the differential gear be meshed with it to rotate, it is simple and compact for structure, take up room little, transmission efficiency is high, good reliability.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is decomposition texture schematic diagram of the present utility model;
Fig. 4 is the decomposition texture schematic diagram of gear unit of the present utility model;
Fig. 5 is the position relationship schematic diagram between differential gear of the present utility model and planetary pinion.
In figure, 10, casing; 20, case lid; 30, the first gear unit; 31, the first gear shaft; 32, clutch shaft bearing; 40, the second gear unit; 41, the second gear shaft; 42, driving gear; 43, the second bearing; 50, the 3rd gear unit; 51, output gear; 52, differential carrier; 53, differential gear; 54, planetary pinion; 55, cross axle; 56, the 3rd bearing; 60, oil sealing.
Embodiment:
Embodiment: by particular specific embodiment, mode of execution of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by content disclosed in the present specification.
See shown in Fig. 1 to Fig. 3, a kind of speed reducer, comprise casing 10, the case lid 20 matched with described casing 10, be arranged on the first gear unit 30 enclosed by described casing 10 and described case lid 20 in the space that formed, second gear unit 40 and the 3rd gear unit 50, for isolating the oil sealing 60 of fluid, wherein, described first gear unit 30 is connected with motor (not shown), described second gear unit 40 for using the transmission of power on described first gear unit 30 to as described 3rd gear unit 50 of output terminal, described first gear unit 30 and described 3rd gear unit 50 are respectively arranged with described oil sealing 60.See shown in Fig. 1 and Fig. 2, described casing 10 is fixedly connected with by screw bolt and nut with described case lid 20, during installation, positioned by locating stud between described casing 10 and described case lid 20, behind location, then by screw bolt and nut, described casing 10 is fixedly connected with described case lid 20, described casing 10 adopts aluminium die casting, specious, lightweight, bearing capacity is strong.As shown in Figure 2, described oil sealing 60 is separately positioned on described first gear shaft 31 and the abutting end place of described casing 10, the abutting end place of described differential gear 53 with described casing 10 and the abutting end place of described differential gear 53 and described case lid 20, and described oil sealing 60 plays an effect preventing fluid from leaking outside.
As shown in Figure 4, described first gear unit 30 comprises the first gear shaft 31 and is set in the clutch shaft bearing 32 at described first gear shaft 31 two ends, wherein, described first gear shaft 31 is rotatably arranged on and is enclosed in the space that formed by described casing 10 and described case lid 20.
As shown in Figure 4, described second gear unit 40 comprises the driving gear 42 be meshed with described first gear shaft 31, the second gear shaft 41 be connected with described driving gear 42, the second bearing 43 of being set in described second gear shaft 41 two ends, wherein, described second gear shaft 41 is rotatably arranged on and is enclosed in the space that formed by described casing 10 and described case lid 20, and described driving gear 42 is fixed with described second gear shaft 41 interference.
See shown in Fig. 4 and Fig. 5, described 3rd gear unit 50 comprises the output gear 51 be meshed with described second gear shaft 41, the differential carrier 52 be connected with described output gear 51, the cross axle 55 be connected with described differential carrier 52, to be arranged in described differential carrier 52 and to be positioned at the planetary pinion 54 at described cross axle 55 two ends, the differential gear 53 be meshed with described planetary pinion 54, be set in the 3rd bearing 56 on described output gear 51 and described differential carrier 52, the both sides being arranged on described cross axle 55 of described differential gear 53 symmetry, wherein, the teeth portion of described differential gear 53 is positioned at the space that described output gear 51 encloses with described differential carrier 52, axle portion extends to the outside of the housing be made up of with described case lid 20 described casing 10.Described output gear 51 is bolted to connection with described differential carrier 52, during installation, first by locating stud, described output gear 51 is positioned with described differential carrier 52, behind location, then by bolt, described differential carrier 52 is fixedly connected on described output gear 51.
Working principle: the first gear shaft 31 on the first gear unit 30 is connected with motor, first gear shaft 31 by transmission of power on driving gear 42, driving gear 42 is connected by interference fit with the second gear shaft 41, therefore, driving gear 42 can by transmission of power on the second gear shaft 41, second gear shaft 41 again by transmission of power on output gear 51, and drive differential carrier 52 to rotate, differential carrier 52 by transmission of power on cross axle 55, cross axle 55 by transmission of power on planetary pinion 54, planetary pinion 54 by transmission of power on the differential gear 53 on both sides, differential gear 53 outputting power is in driving wheel (not shown).
Described embodiment in order to illustrative the utility model, but not for limiting the utility model.Any those skilled in the art all without prejudice under spirit of the present utility model and category, can modify to described embodiment, therefore rights protection scope of the present utility model, should listed by claim of the present utility model.
Claims (8)
1. a speed reducer, it is characterized in that: comprise casing (10), the case lid (20) matched with described casing (10), be arranged on the first gear unit (30) enclosed by described casing (10) and described case lid (20) in the space that formed, second gear unit (40) and the 3rd gear unit (50), for isolating the oil sealing (60) of fluid, wherein, described first gear unit (30) is connected with motor, described second gear unit (40) for using the transmission of power on described first gear unit (30) to as described 3rd gear unit (50) of output terminal, described first gear unit (30) and described 3rd gear unit (50) are respectively arranged with described oil sealing (60).
2. speed reducer according to claim 1, it is characterized in that: described first gear unit (30) comprises the first gear shaft (31) and is set in the clutch shaft bearing (32) at described first gear shaft (31) two ends, wherein, described first gear shaft (31) is rotatably arranged on and is enclosed in the space that formed by described casing (10) and described case lid (20).
3. speed reducer according to claim 2, it is characterized in that: described second gear unit (40) comprises the driving gear (42) be meshed with described first gear shaft (31), the second gear shaft (41) be connected with described driving gear (42), the second bearing (43) of being set in described second gear shaft (41) two ends, wherein, described second gear shaft (41) is rotatably arranged on and is enclosed in the space that formed by described casing (10) and described case lid (20).
4. speed reducer according to claim 3, is characterized in that: described driving gear (42) and the interference of described second gear shaft (41) are fixed.
5. speed reducer according to claim 3, it is characterized in that: described 3rd gear unit (50) comprises the output gear (51) be meshed with described second gear shaft (41), the differential carrier (52) be connected with described output gear (51), the cross axle (55) be connected with described differential carrier (52), to be arranged in described differential carrier (52) and to be positioned at the planetary pinion (54) at described cross axle (55) two ends, the differential gear (53) be meshed with described planetary pinion (54), be set in the 3rd bearing (56) on described output gear (51) and described differential carrier (52), the both sides being arranged on described cross axle (55) that described differential gear (53) is symmetrical, wherein, the teeth portion of described differential gear (53) is positioned at the space that described output gear (51) encloses with described differential carrier (52), axle portion extends to the outside of the housing be made up of described casing (10) and described case lid (20).
6. speed reducer according to claim 5, is characterized in that: described output gear (51) and described differential carrier (52) are bolted to connection.
7. speed reducer according to claim 5, is characterized in that: described oil sealing (60) is separately positioned on the abutting end place of the abutting end place of described first gear shaft (31) and described casing (10), the abutting end place of described differential gear (53) and described casing (10) and described differential gear (53) and described case lid (20).
8. speed reducer according to claim 1, is characterized in that: described casing (10) is fixedly connected with by screw bolt and nut with described case lid (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234505.4U CN204572941U (en) | 2015-04-17 | 2015-04-17 | A kind of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234505.4U CN204572941U (en) | 2015-04-17 | 2015-04-17 | A kind of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572941U true CN204572941U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520234505.4U Active CN204572941U (en) | 2015-04-17 | 2015-04-17 | A kind of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776166A (en) * | 2015-04-17 | 2015-07-15 | 浙江中柴机器有限公司 | Speed reduction device |
-
2015
- 2015-04-17 CN CN201520234505.4U patent/CN204572941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776166A (en) * | 2015-04-17 | 2015-07-15 | 浙江中柴机器有限公司 | Speed reduction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |