CN211820676U - Bevel gear mounting structure of speed reducer - Google Patents
Bevel gear mounting structure of speed reducer Download PDFInfo
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- CN211820676U CN211820676U CN202020470961.XU CN202020470961U CN211820676U CN 211820676 U CN211820676 U CN 211820676U CN 202020470961 U CN202020470961 U CN 202020470961U CN 211820676 U CN211820676 U CN 211820676U
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- bevel gear
- mounting structure
- speed reducer
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Abstract
The utility model provides a bevel gear mounting structure of speed reducer belongs to mechanical technical field. It has solved the inconvenient problem of current bevel gear installation. This bevel gear mounting structure of speed reducer, the speed reducer includes the motor and has the casing in shaft hole, the output shaft of motor is worn to establish in the shaft hole, the front end of output shaft is connected with bevel gear, this bevel gear mounting structure is including setting up the skeleton oil blanket on the pore wall in shaft hole, this bevel gear mounting structure still establishes the axle sleeve on the output shaft including the cover, the axle sleeve is located bevel gear's rear side, the external diameter of axle sleeve is greater than bevel gear's addendum circle diameter, the internal diameter in shaft hole is greater than bevel gear's addendum circle diameter, the seal lip of skeleton oil blanket is laminated. This bevel gear mounting structure of speed reducer can make bevel gear's installation more stable convenient, has promoted the convenience of bevel gear installation.
Description
Technical Field
The utility model belongs to the technical field of machinery, a bevel gear mounting structure of speed reducer is related to.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear and worm transmission enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an executing mechanism, is generally used for low-rotating-speed and high-torque transmission equipment, and achieves the purpose of speed reduction by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on the output shaft of the speed reducer.
Traditional speed reducer generally includes motor and reducing gear box, be provided with the mounting hole on the reducing gear box, the pivot of motor is passed in the mounting hole extends the reducing gear box, and the cover is equipped with initiative bevel gear in the pivot of motor, driven bevel gear box meshing in this initiative bevel gear and the reducing gear box, leak in order to avoid the machine oil in the reducing gear box from the pivot of motor and the clearance between the mounting hole pore wall, generally set up the skeleton oil blanket in the pore wall of mounting hole, this skeleton oil blanket offsets with the outer peripheral face of initiative bevel gear, for example, chinese patent network discloses a novel gear speed reducer [ grant bulletin No.: CN209839111U, including the casing and all rotate the input pivot and the output pivot of setting in the casing, the one end of input pivot is input bevel gear, the one end of output pivot is output bevel gear, input bevel gear and output bevel gear mesh mutually, be equipped with the through-hole I that is used for installing the output pivot on the casing, the output pivot is connected with the casing rotation through the first bearing that sets up in through-hole I, be equipped with the annular step that is used for supporting the first bearing inner circle on the outer wall of output pivot, and the annular step is in between first bearing and the output bevel gear, the lug has on the pore wall of through-hole I, first bearing is in between annular step and lug, the outer lane of first bearing offsets with the lug, be fixed with the second skeleton oil blanket in the through-hole I, the second skeleton oil blanket is between first bearing and output bevel gear, the second skeleton oil blanket is overlapped outside the output pivot, the inside wall and the lateral wall of second skeleton oil blanket offset with output pivot lateral wall and a pore wall.
The outer diameter of the output bevel gear is far larger than that of the output rotating shaft, the inner diameter of the first through hole in the shell is basically the same as the outer diameter of the output rotating shaft, the output bevel gear and the output rotating shaft are integrated, the output bevel gear cannot penetrate through the first through hole from the outside to enter the shell, the cover plate can only be detached from the shell firstly, then the output rotating shaft and the output bevel gear are installed in the first through hole, and finally the cover plate is installed back on the shell, so that the output bevel gear is quite complex to install on the shell.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided a bevel gear mounting structure of speed reducer, the utility model aims to solve the technical problem that: how to improve the convenience of bevel gear mounting.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a bevel gear mounting structure of speed reducer, speed reducer include the motor and have the casing in shaft hole, the output shaft of motor is worn to establish in the shaft hole, the front end of output shaft is connected with bevel gear, and this bevel gear mounting structure is including setting up the skeleton oil blanket on the pore wall in shaft hole, its characterized in that, and this bevel gear mounting structure still establishes at the epaxial axle sleeve of output including the cover, the axle sleeve is located bevel gear's rear side, the external diameter of axle sleeve is greater than bevel gear's addendum circle diameter, the internal diameter in shaft hole is greater than bevel gear's addendum circle diameter, the seal lip of skeleton oil blanket is laminated.
The working principle is as follows: the setting of skeleton oil blanket is on the pore wall in casing shaft hole, establish the axle sleeve cover on the output shaft, link firmly bevel gear and output shaft front end, the axle sleeve is located bevel gear's rear end this moment, pass bevel gear and axle sleeve shaft hole again, the external diameter of axle sleeve is greater than bevel gear's addendum circle diameter, the skeleton oil blanket can directly laminate mutually with the outer peripheral face of axle sleeve, addendum circle diameter that can derive bevel gear is the internal diameter that is less than the skeleton oil blanket, setting through the axle sleeve, make bevel gear can be earlier with output shaft connection back, directly pass the skeleton oil blanket again and wear to establish in the casing, and the axle sleeve laminates the leakproofness after the assurance bevel gear installation that can step forward with the skeleton oil blanket mutually, thereby make bevel gear's installation more stable convenient, the.
In the bevel gear mounting structure of the speed reducer, an annular sealing groove is formed in the outer peripheral surface of the output shaft, a first sealing ring is arranged in the sealing groove, and the first sealing ring is attached to the inner peripheral surface of the shaft sleeve.
The setting of this structure has increased the leakproofness between output shaft and the axle sleeve, also makes the increase of axle sleeve not influence bevel gear's sealed effect, further promotion the sealed effect after the speed reducer installation.
In the bevel gear mounting structure of the speed reducer, an annular mounting groove is formed in the outer peripheral surface of the output shaft, a snap spring is arranged in the mounting groove, the rear end of the shaft sleeve abuts against the snap spring, and the rear end of the bevel gear abuts against the front end of the shaft sleeve.
The setting of this structure can realize the location of axle sleeve rear end, has promoted the installation effectiveness of axle sleeve, and then makes bevel gear's installation more convenient.
In the bevel gear mounting structure of the speed reducer, the mounting post is arranged on the front end face of the output shaft, the bevel gear is sleeved on the mounting post and is fixedly connected with the mounting post through the fastener, the positioning step surface is arranged on the outer peripheral surface of the rear end of the bevel gear, and the front end of the shaft sleeve abuts against the positioning step surface.
The setting of this structure for when bevel gear cover was established on the erection column, only need bevel gear's location step face to support with the front end of axle sleeve and just can realize the prepositioning effect, thereby make bevel gear's installation more stable and more convenient.
In the bevel gear mounting structure of the speed reducer, the bevel gear mounting structure further comprises a bearing sleeved on the output shaft, the bearing is located on the rear side of the shaft sleeve, a limiting step surface is arranged on the hole wall of the shaft hole, and the front end of the bearing abuts against the limiting step surface.
The setting of this structure for the rotation of output shaft is more smooth and easy, has reduced the frictional force between output shaft and the casing inside wall, and the setting of spacing step face makes the installation of bearing more simple and convenient.
In the bevel gear mounting structure of the speed reducer, a second sealing ring is arranged between the outer peripheral surface of the bearing and the hole wall of the shaft hole.
The structure improves the stability and the sealing property of installation between the bearing and the shell.
In the bevel gear mounting structure of the speed reducer, the bevel gear mounting structure further comprises a positioning support sleeved on the outer ring of the bearing, and the positioning support is fixedly connected with the shell.
The arrangement of the structure enables the bearing to be mounted more conveniently, and further improves the convenience of bevel gear mounting.
Compared with the prior art, the utility model discloses a bevel gear mounting structure of speed reducer has following advantage: through the setting of axle sleeve for bevel gear can be earlier with output shaft connection back, directly pass the skeleton oil blanket again and wear to establish in the casing, and the leakproofness behind the assurance bevel gear installation that axle sleeve and skeleton oil blanket laminated mutually can be further, thereby make bevel gear's installation more stable convenient, promoted the convenience of bevel gear installation.
Drawings
Fig. 1 is a partially sectional view of the bevel gear mounting structure of the present speed reducer after assembly.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure, 1, a motor; 11. an output shaft; 12. a sealing groove; 13. mounting grooves; 14. mounting a column; 2. a housing; 21. a shaft hole; 22. a limiting step surface; 23. positioning the bracket; 3. a bevel gear; 31. positioning a step surface; 4. framework oil seal; 5. a shaft sleeve; 6. a first sealing ring; 7. a clamp spring; 8. a fastener; 9. a bearing; 10. and a second sealing ring.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in figure 1, the bevel gear mounting structure of the speed reducer comprises a motor 1 and a shell 2 with a shaft hole 21, an output shaft 11 of the motor 1 is arranged in the shaft hole 21 in a penetrating mode, a bevel gear 3 is connected to the front end of the output shaft 11, and the bevel gear mounting structure comprises a framework oil seal 4 arranged on the wall of the shaft hole 21.
Specifically, as shown in fig. 1 and 2, the bevel gear mounting structure further includes a shaft sleeve 5 sleeved on the output shaft 11, the shaft sleeve 5 is located at the rear side of the bevel gear 3, the outer diameter of the shaft sleeve 5 is larger than the addendum circle diameter of the bevel gear 3, the inner diameter of the shaft hole 21 is larger than the addendum circle diameter of the bevel gear 3, and the framework oil seal 4 is attached to the outer peripheral surface of the shaft sleeve 5.
The working principle is as follows: skeleton oil blanket 4 sets up on the pore wall of 2 shaft holes 21 of casing, establish axle sleeve 5 cover on output shaft 11, link firmly bevel gear 3 and 11 front ends of output shaft, axle sleeve 5 is the rear end that is located bevel gear 3 this moment, pass shaft hole 21 with bevel gear 3 and axle sleeve 5 again, the external diameter of axle sleeve 5 is greater than bevel gear 3's addendum circle diameter, skeleton oil blanket 4 can directly laminate mutually with the outer peripheral face of axle sleeve 5, the addendum circle diameter that can derive bevel gear 3 is less than the internal diameter of skeleton oil blanket 4, setting through axle sleeve 5, make bevel gear 3 can be connected the back with output shaft 11 earlier, directly pass skeleton oil blanket 4 again and wear to establish in casing 2, and axle sleeve 5 laminates the leakproofness after can further assurance bevel gear 3 installs with skeleton oil blanket 4 mutually, thereby make bevel gear 3's installation more stable convenient, the convenience of bevel gear 3 installation has been promoted.
As shown in fig. 1 and 2, an annular sealing groove 12 is formed in the outer peripheral surface of the output shaft 11, a first sealing ring 6 is arranged in the sealing groove 12, the first sealing ring 6 is attached to the inner peripheral surface of the shaft sleeve 5, an annular mounting groove 13 is formed in the outer peripheral surface of the output shaft 11, a snap spring 7 is arranged in the mounting groove 13, the rear end of the shaft sleeve 5 is abutted against the snap spring 7, and the rear end of the bevel gear 3 is abutted against the front end of the shaft sleeve 5.
As shown in fig. 2, the front end surface of the output shaft 11 has a mounting post 14, the bevel gear 3 is sleeved on the mounting post 14, the bevel gear 3 is fixedly connected with the mounting post 14 through a fastener 8, a positioning step surface 31 is provided on the outer peripheral surface of the rear end of the bevel gear 3, and the front end of the shaft sleeve 5 abuts against the positioning step surface 31.
As shown in fig. 2, the bevel gear mounting structure further includes a bearing 9 sleeved on the output shaft 11, the bearing 9 is located at the rear side of the shaft sleeve 5, a limiting step surface 22 is provided on the hole wall of the shaft hole 21, the front end of the bearing 9 abuts against the limiting step surface 22, and a second sealing ring 10 is provided between the outer peripheral surface of the bearing 9 and the hole wall of the shaft hole 21.
As shown in fig. 2, the bevel gear mounting structure further includes a positioning bracket 23 sleeved on the outer ring of the bearing 9, and the positioning bracket 23 is fixedly connected with the housing 2.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a bevel gear mounting structure of speed reducer, speed reducer include motor (1) and casing (2) that have shaft hole (21), output shaft (11) of motor (1) are worn to establish in shaft hole (21), the front end of output shaft (11) is connected with bevel gear (3), and this bevel gear mounting structure is including setting up skeleton oil blanket (4) on the pore wall of shaft hole (21), its characterized in that, this bevel gear mounting structure still establishes axle sleeve (5) on output shaft (11) including the cover, axle sleeve (5) are located the rear side of bevel gear (3), the external diameter of axle sleeve (5) is greater than the addendum diameter of bevel gear (3), the internal diameter in shaft hole (21) is greater than the addendum diameter of bevel gear (3), skeleton oil blanket (4) are leaned on with the outer peripheral face of axle sleeve (5) mutually.
2. The bevel gear mounting structure of a speed reducer according to claim 1, wherein an annular sealing groove (12) is formed in an outer peripheral surface of the output shaft (11), a first sealing ring (6) is disposed in the sealing groove (12), and the first sealing ring (6) abuts against an inner peripheral surface of the shaft sleeve (5).
3. The bevel gear mounting structure of the speed reducer according to claim 1 or 2, wherein an annular mounting groove (13) is formed in the outer peripheral surface of the output shaft (11), a snap spring (7) is arranged in the mounting groove (13), the rear end of the shaft sleeve (5) abuts against the snap spring (7), and the rear end of the bevel gear (3) abuts against the front end of the shaft sleeve (5).
4. The bevel gear mounting structure of the speed reducer according to claim 1 or 2, wherein the front end face of the output shaft (11) is provided with a mounting post (14), the bevel gear (3) is sleeved on the mounting post (14) and the bevel gear (3) is fixedly connected with the mounting post (14) through a fastener (8), the outer peripheral surface of the rear end of the bevel gear (3) is provided with a positioning step surface (31), and the front end of the shaft sleeve (5) abuts against the positioning step surface (31).
5. The bevel gear mounting structure of the speed reducer according to claim 1 or 2, further comprising a bearing (9) sleeved on the output shaft (11), wherein the bearing (9) is located at the rear side of the shaft sleeve (5), a limiting step surface (22) is formed on the hole wall of the shaft hole (21), and the front end of the bearing (9) abuts against the limiting step surface (22).
6. The bevel gear mounting structure of a speed reducer according to claim 5, wherein a second seal ring (10) is provided between the outer peripheral surface of the bearing (9) and the wall of the shaft hole (21).
7. The bevel gear mounting structure of the speed reducer according to claim 5, further comprising a positioning bracket (23) sleeved on an outer ring of the bearing (9), wherein the positioning bracket (23) is fixedly connected with the housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470961.XU CN211820676U (en) | 2020-04-02 | 2020-04-02 | Bevel gear mounting structure of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470961.XU CN211820676U (en) | 2020-04-02 | 2020-04-02 | Bevel gear mounting structure of speed reducer |
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| Publication Number | Publication Date |
|---|---|
| CN211820676U true CN211820676U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020470961.XU Active CN211820676U (en) | 2020-04-02 | 2020-04-02 | Bevel gear mounting structure of speed reducer |
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| Country | Link |
|---|---|
| CN (1) | CN211820676U (en) |
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2020
- 2020-04-02 CN CN202020470961.XU patent/CN211820676U/en active Active
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