CN213744816U - Speed reducer shell structure - Google Patents
Speed reducer shell structure Download PDFInfo
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- CN213744816U CN213744816U CN202022520017.3U CN202022520017U CN213744816U CN 213744816 U CN213744816 U CN 213744816U CN 202022520017 U CN202022520017 U CN 202022520017U CN 213744816 U CN213744816 U CN 213744816U
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- gear box
- groove
- input shaft
- oil
- shaft bearing
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Abstract
A speed reducer shell structure comprises an outer shell, wherein a gear box is arranged in the outer shell, a first oil seal hole and a second oil seal hole are respectively formed in the front side surface and the rear side surface of the gear box, an input shaft bearing mounting flange is arranged above the outer shell, a fixing groove is formed in the input shaft bearing mounting flange, a limiting groove is formed in the inner ring of the fixing groove, and threaded positioning holes are formed in the upper surface of the limiting groove; the upside fixed surface of shell body installs the inlet port, and shell body lower surface fixed mounting has the oil outlet, and inlet port and oil outlet all are linked together with the gear box. The utility model overcomes the defects of the prior art, the fixed groove is matched and fixed with the output flange of the motor, and the limiting groove on the inner circle of the fixed groove is matched with the limiting block on the output flange of the motor to limit and fix; and through set up the oil outlet in the shell body bottom to after using, can be with the more thorough of the lubricating oil exhaust in the gear box.
Description
Technical Field
The utility model relates to a speed reducer shell technical field, concretely relates to speed reducer shell structure.
Background
The speed reducer is one kind of speed variator, and is used for low rotation speed and large torque transmission equipment.
The existing robot speed reducer shell on the existing market is complex in assembly and inconvenient to disassemble, and is very troublesome in maintenance, a large amount of manpower is wasted, and the service life of the robot speed reducer can be influenced after the robot speed reducer shell is disassembled for many times.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a speed reducer shell structure, which overcomes the defects of the prior art, has reasonable design, is matched and fixed with an output flange of a motor through a fixed groove, and is matched with a limiting block on the output flange of the motor for limiting and fixing through a limiting groove on the inner ring of the fixed groove; and through set up the oil outlet in the shell body bottom to after using, can be with the more thorough of the lubricating oil exhaust in the gear box.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a speed reducer shell structure comprises an outer shell, wherein a gear box is arranged in the outer shell, a first oil seal hole and a second oil seal hole are respectively formed in the front side surface and the rear side surface of the gear box, an input shaft bearing mounting flange is arranged above the outer shell, a fixing groove is formed in the input shaft bearing mounting flange, a limiting groove is formed in the inner ring of the fixing groove, and threaded positioning holes are formed in the upper surface of the limiting groove; the upside fixed surface of shell body installs the inlet port, shell body lower fixed surface installs the oil outlet, inlet port and oil outlet all are linked together with the gear box.
Preferably, the first oil sealing hole and the second oil sealing hole are hermetically connected with oil sealing covers.
Preferably, the inner side surface of the gear box, which is close to the input shaft bearing mounting flange, is provided with a circular arc inclined surface.
Preferably, a plane between the fixing groove and the limiting groove is set as a guide inclined plane.
Preferably, the inner ring of the input shaft bearing mounting flange is provided with a sealing groove, and a sealing element is fixedly mounted in the sealing groove.
Preferably, the outer surface of the outer shell is provided with a reinforcing rib.
The utility model provides a speed reducer shell structure. The method has the following beneficial effects: the output flange outside the output shaft of the motor is matched and fixed through a fixed groove in the input shaft bearing mounting flange, and is matched with a limiting block on the output flange of the motor for limiting and fixing through a limiting groove on an inner ring of the fixed groove; and when using, accessible oil feed hole is to inputing lubricating oil in the gear box to reduce the friction between each gear, and through set up the oil outlet in the shell body bottom, thereby after using, can be with the more thorough of the lubricating oil exhaust in the gear box.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a third schematic structural view of the present invention;
the reference numbers in the figures illustrate:
1. an outer housing; 2. a gear case; 3. a first oil seal hole; 4. a second oil seal hole; 5. an input shaft bearing mounting flange; 6. fixing grooves; 7. a limiting groove; 8. a threaded locating hole; 9. an oil inlet hole; 10. an oil outlet hole; 11. a circular arc inclined plane; 12. and (5) reinforcing ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.
In the first embodiment, as shown in fig. 1 to 3, a speed reducer casing structure includes a casing 1, a gear box 2 is disposed in the casing 1, a first oil seal hole 3 and a second oil seal hole 4 are respectively formed in front and rear side surfaces of the gear box 2, an input shaft bearing mounting flange 5 is disposed above the casing 1, a fixing groove 6 is disposed in the input shaft bearing mounting flange 5, a limiting groove 7 is formed in an inner ring of the fixing groove 6, and threaded positioning holes 8 are formed in upper surfaces of the limiting groove 7; the upside fixed surface of shell body 1 installs inlet port 9, 1 lower fixed surface of shell body installs oil outlet 10, inlet port 9 and oil outlet 10 all are linked together with gear box 2. And the first oil seal hole 3 and the second oil seal hole 4 are hermetically connected with oil seal covers.
When the gearbox is used, a matched gear shaft of the speed reducer is arranged in the gearbox 2, an output shaft of the speed reducer is led out of the second oil seal hole 4, and the outer surface of the output shaft of the speed reducer is sealed through an oil seal cover; then, an output shaft of the motor is installed in the gear box 2 through an input shaft bearing installation flange 5 and meshed with a matched gear shaft, a fixing groove 6 in the input shaft bearing installation flange 5 is matched and fixed with an output flange outside the output shaft of the motor, a limiting block on the output flange of the motor is matched for limiting and fixing through a limiting groove 7 on an inner ring of the fixing groove 6, and the limiting block is stably fixed in the input shaft bearing installation flange 5 through a threaded positioning hole 8 on the limiting groove 7; when using, accessible inlet port 9 inputs lubricating oil in to gear box 2 to reduce the friction between each gear, and through set up oil outlet 10 in the bottom of shell 1, compare and set up oil outlet 10 in the prior art at shell 1 side, after using, can be with the more thorough of the lubricating oil exhaust in the gear box 2.
In the second embodiment, as a further scheme of the first embodiment, the inner side surface of the gear box 2 close to the input shaft bearing mounting flange 5 is provided with a circular arc inclined surface 11. So that compared to the right-angled faces used for support in the prior art, it is possible to assemble 14: 1 and 17: 1 reduction gear of gear.
In a third embodiment, as a further scheme of the first embodiment, a plane between the fixing groove 6 and the limiting groove 7 is provided as a guide slope. Therefore, when the output flange of the motor is installed in the input shaft bearing installation flange 5 in a matched mode, a certain guiding effect can be achieved through the guiding inclined plane, and the limiting block and the limiting groove 7 on the output flange of the motor can be better limited and fixed.
In a fourth embodiment, as a further aspect of the first embodiment, a seal groove 13 is disposed in an inner ring of the input shaft bearing mounting flange 5, and a seal is fixedly mounted in the seal groove 13. And the sealing effect between the input shaft bearing mounting flange 5 and the output flange of the motor is ensured by the action of a sealing element in the sealing groove 13.
In a fifth embodiment, as a further aspect of the first embodiment, the outer surface of the outer casing 1 is provided with a reinforcing rib 12. The reinforcing ribs 12 can provide a good reinforcing effect on the strength of the outer shell 1 itself.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a speed reducer shell structure which characterized in that: the gear box structure comprises an outer shell (1), wherein a gear box (2) is arranged in the outer shell (1), a first oil sealing hole (3) and a second oil sealing hole (4) are respectively formed in the front side face and the rear side face of the gear box (2), an input shaft bearing mounting flange (5) is arranged above the outer shell (1), a fixing groove (6) is formed in the input shaft bearing mounting flange (5), a limiting groove (7) is formed in the inner ring of the fixing groove (6), and threaded positioning holes (8) are formed in the upper surface of the limiting groove (7);
the utility model discloses a gearbox, including shell body (1), upside fixed surface installs inlet port (9), outer shell body (1) lower fixed surface installs oil outlet (10), inlet port (9) and oil outlet (10) all are linked together with gear box (2).
2. The reducer housing structure according to claim 1, wherein: and the first oil seal hole (3) and the second oil seal hole (4) are hermetically connected with an oil seal cover.
3. The reducer housing structure according to claim 1, wherein: and an arc inclined plane (11) is arranged on the inner side surface of the gear box (2) close to the input shaft bearing mounting flange (5).
4. The reducer housing structure according to claim 1, wherein: the plane between the fixing groove (6) and the limiting groove (7) is set to be a guide inclined plane.
5. The reducer housing structure according to claim 1, wherein: the inner ring of the input shaft bearing mounting flange (5) is provided with a sealing groove (13), and a sealing element is fixedly mounted in the sealing groove (13).
6. The reducer housing structure according to claim 1, wherein: and the outer surface of the outer shell (1) is provided with a reinforcing rib (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520017.3U CN213744816U (en) | 2020-11-04 | 2020-11-04 | Speed reducer shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520017.3U CN213744816U (en) | 2020-11-04 | 2020-11-04 | Speed reducer shell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213744816U true CN213744816U (en) | 2021-07-20 |
Family
ID=76819558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022520017.3U Active CN213744816U (en) | 2020-11-04 | 2020-11-04 | Speed reducer shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213744816U (en) |
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2020
- 2020-11-04 CN CN202022520017.3U patent/CN213744816U/en active Active
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