CN212839193U

CN212839193U - Motor speed reducer with stable transmission connection

Info

Publication number: CN212839193U
Application number: CN202021702352.9U
Authority: CN
Inventors: 林振
Original assignee: Zhejiang Commins Machiner Co ltd
Current assignee: Zhejiang Commins Machiner Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-03-30
Anticipated expiration: 2030-08-14

Abstract

The utility model provides a stabilize motor reducer that transmission is connected belongs to reduction gear technical field. It has solved the problem of the inconvenient dismouting of current motor reducer. This stabilize motor reducer that transmission is connected, including the speed reduction casing, be provided with the output shaft in the speed reduction casing, the one end of output shaft is worn out outside the speed reduction casing, the other end transmission of output shaft is connected with the driving shaft, be provided with driven bevel gear on the driving shaft, be provided with the structure that breaks away from that can break away from driven bevel gear from the driving shaft fast between driven bevel gear's one end and the driving shaft, be provided with compact structure between driven bevel gear's the other end and the speed reduction casing, be provided with the transmission drive structure who is connected with driven bevel gear meshing in the speed reduction casing, transmission drive structure has the transmission end of wearing. The utility model has the advantages of easy dismounting.

Description

Motor speed reducer with stable transmission connection

Technical Field

The utility model belongs to the technical field of the reduction gear, a motor reducer who stabilizes transmission and connect is related to.

Background

The speed reducer is an independent part consisting of gear transmission, worm transmission and gear-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 execution mechanism, is widely applied to modern machinery, 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 an input shaft of the speed reducer, and the common speed reducer can also achieve ideal speed reduction effect through several pairs of gears with the same principle.

The transmission shaft in the motor reducer on the existing market is mostly directly arranged in the reduction casing, various gears on the transmission shaft are also directly connected onto the shaft, bevel gears on the transmission shaft are particularly easy to wear, when the gears on the transmission shaft are replaced, the reduction casing is required to be integrally detached and then the transmission shaft is integrally disassembled and replaced, and the problems of disassembly, assembly and maintenance are complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a motor reducer that easy dismounting's stable transmission is connected is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a motor reducer who stabilizes transmission and connect, includes the speed reduction casing, the speed reduction casing in be provided with the output shaft, the one end of output shaft is worn out outside the speed reduction casing, and the other end transmission of output shaft is connected with the driving shaft, the driving shaft on be provided with driven bevel gear, be provided with the structure that breaks away from that can break away from driven bevel gear from the driving shaft fast between driven bevel gear's one end and the driving shaft, be provided with compact structure between driven bevel gear's the other end and the speed reduction casing, the speed reduction casing in be provided with the transmission drive structure who is connected with driven bevel gear meshing, transmission drive structure have the transmission end of wearing out to the external connection motor.

In the motor reducer with stable transmission connection, the driving shaft is provided with an assembling table protruding in the radial direction, and the disengaging structure is arranged on the end face of the assembling table facing to one side of the driven bevel gear.

In the motor reducer with stable transmission connection, the separation structure comprises a pushing block which is arranged on the assembly table and can move along the length direction of the driving wheel, one end of the pushing block is connected in the assembly table, and the other end of the pushing block is used for being abutted against the driven bevel gear.

In the motor reducer with stable transmission connection, the assembly table is provided with a holding tank for holding the end part of the pushing block in a clamping manner, a pushing spring abutted against the pushing block is arranged in the holding tank, and the pushing block moves in the holding tank in a limiting manner under the pushing of the pushing spring.

In the motor reducer with stable transmission connection, the driving shaft is provided with a pin key, and the center of the driven bevel gear is sleeved on the pin key and rotates synchronously with the driving shaft.

In the motor reducer with stable transmission connection, the pressing structure comprises a pressing seat connected with the reduction shell, a ring protruding towards one side of the driving shaft and used for pressing the driven bevel gear is arranged on the pressing seat, and the driving shaft penetrates through the center of the ring and is erected.

In the motor reducer with stable transmission connection, a driving bearing used for driving the driving shaft to rotate is arranged in the ring, the outer ring of the driving bearing is embedded on the inner surface of the ring, and the inner ring of the driving bearing is sleeved on the outer surface of the driving shaft.

In the motor reducer with stable transmission connection, the transmission driving structure is perpendicular to the driving shaft.

In the motor reducer with stable transmission connection, the transmission driving structure comprises a transmission shaft and a driving bevel gear which is arranged at the end part of one side of the transmission shaft and is in meshed transmission with the driven bevel gear, and the end part of the transmission shaft, which is far away from one side of the driving bevel gear, is provided with a connecting section which penetrates out of the speed reduction shell.

In the aforesaid motor reducer who stabilizes the transmission and connect, compare with prior art, the utility model has the advantages of:

1. the utility model discloses be provided with the disengagement structure that can break away from driven bevel gear from the driving shaft fast between driven bevel gear's one end and the driving shaft, be provided with compact structure between driven bevel gear's the other end and the speed reduction casing, the reduction gear during operation, compact structure compresses tightly driven bevel gear and connects the normal transmission work that carries out on the disengagement structure of driving shaft, when needs change bevel gear, demolish compact structure, disengagement structure can be with the ejecting release of bevel gear, has the advantage of conveniently demolising.

2. The utility model discloses a be provided with the top of butt on top ejector pad in the holding tank and push away the spring, top ejector pad spacing motion in the holding tank under the promotion of top ejector spring, realize the spacing motion of top ejector pad in the holding tank through top ejector spring to this stability that keeps the motion.

3. The utility model discloses a speed reduction casing is connected with the motor connecting seat with the corresponding position department of connecting phase, makes things convenient for external motor to carry out the transmission installation.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a sectional view taken along line B-B of fig. 1.

Fig. 4 is a schematic view of a partial structure in the present invention.

In the figure, 1, a reduction casing; 2. an output shaft; 3. a drive shaft; 4. a driven bevel gear; 5. a detachment structure; 6. a compression structure; 7. a transmission drive structure; 8. an assembly table; 9. pushing the pushing block; 10. accommodating grooves; 11. a pushing spring; 12. a pin key; 13. a pressing seat; 14. a loop; 15. a drive bearing; 16. a drive shaft; 17. a drive bevel gear; 18. the motor connecting seat.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 4, a motor reducer with stable transmission connection, including speed reduction housing 1, be provided with output shaft 2 in the speed reduction housing 1, the one end of output shaft 2 is worn out to the speed reduction housing 1 outside, the other end transmission of output shaft 2 is connected with driving shaft 3, be provided with driven bevel gear 4 on the driving shaft 3, be provided with the structure 5 that breaks away from that can break away from driven bevel gear 4 from driving shaft 3 fast between driven bevel gear 4's the one end and the driving shaft 3, be provided with compact structure 6 between driven bevel gear 4's the other end and the speed reduction housing 1, be provided with the transmission drive structure 7 who is connected with driven bevel gear 4 meshing in the speed reduction housing 1, transmission drive structure 7 has the transmission end of wearing out to speed.

In this embodiment, external motor is connected to transmission drive structure 7, rotate through motor work, transmission drive structure 7 meshes transmission driving shaft 3 through driven bevel gear 4 when rotating, the one end of output shaft 2 is worn out outside speed reduction casing 1, the other end transmission of output shaft 2 is connected with driving shaft 3, rotate along with the rotation of driving shaft 3, export kinetic energy to external equipment in, the reduction gear during operation, compact structure 6 normally carries out transmission work on driven bevel gear 4 pressing connection on driving shaft 3's disengagement structure 5, when needing to change bevel gear, demolish compact structure 6, disengagement structure 5 can be with the ejecting release of bevel gear, have the advantage of conveniently demolising.

In this embodiment, it is further described that the driving shaft 3 has a radially protruding mounting base 8, the disengaging structure 5 is disposed on an end surface of the mounting base 8 facing the driven bevel gear 4, preferably, the disengaging structure 5 includes a pushing block 9 disposed on the mounting base 8 and capable of moving along a length direction of the driving wheel, one end of the pushing block 9 is connected in the mounting base 8, and the other end of the pushing block 9 is used for abutting against the driven bevel gear 4. When the driven bevel gear 4 is completely mounted on the drive shaft 3, the ejector shoes 9 abut on the driven bevel gear 4 and give the driven bevel gear 4 a tendency to move away from the mount 8.

In this embodiment, the assembly table 8 is provided with an accommodating groove 10 for accommodating an end of the pushing block 9, an urging spring 11 abutting against the pushing block 9 is disposed in the accommodating groove 10, and the pushing block 9 is pushed by the urging spring 11 to move in the accommodating groove 10 in a limiting manner. The pushing spring 11 realizes the limit movement of the pushing block 9 in the accommodating groove 10, so as to maintain the stability of the movement.

The driving shaft 3 is provided with a pin key 12, and the center of the driven bevel gear 4 is sleeved on the pin key 12 and rotates synchronously with the driving shaft 3. The center of the driven bevel gear 4 is provided with a hole for inserting the pin key 12, the driven bevel gear 4 obtains radial spacing through the pin key 12, and the driven bevel gear 4 rotates together with the driving shaft 3 when the driving shaft 3 rotates.

In further detail, the pressing structure 6 comprises a pressing seat 13 connected with the speed reduction housing 1, a ring 14 protruding towards one side of the driving shaft 3 and used for pressing the driven bevel gear 4 is arranged on the pressing seat 13, and the driving shaft 3 penetrates and is erected at the center of the ring 14. The driving shaft 3 penetrates into the ring 14, the ring 14 rotates in a radial limiting way, and the end part of the ring 14 acts on the driven bevel gear 4 to enable the other end of the driven bevel gear 4 to be abutted against the ejector block 9.

Preferably, in order to improve the smoothness of the rotation of the driving shaft 3, a driving bearing 15 for rotating the driving shaft 3 is provided in the ring 14, an outer ring of the driving bearing 15 is fitted to an inner surface of the ring 14, and an inner ring of the driving bearing 15 is fitted to an outer surface of the driving shaft 3.

In this embodiment, in order to make the structure of the speed reducer more reasonable, the transmission driving structure 7 and the driving shaft 3 are arranged perpendicular to each other, preferably, the transmission driving structure 7 includes a transmission shaft 16 and a driving bevel gear 17 arranged at an end of one side of the transmission shaft 16 and meshed with the driven bevel gear 4 for transmission, and an end of the transmission shaft 16, which is far away from the driving bevel gear 17, has a connection section penetrating out of the speed reducer housing 1.

For the convenience of external motor transmission installation, speed reduction casing 1 is connected with motor connecting seat 18 with the corresponding position department of linkage segment, and motor connecting seat 18 sets up with the same axis with transmission shaft 16.

The utility model discloses a theory of operation does: external motor is connected to transmission drive structure 7, rotate through motor work, transmission drive structure 7 meshes transmission driving shaft 3 through driven bevel gear 4 when rotating, the one end of output shaft 2 is worn out outside speed reduction casing 1, the other end transmission of output shaft 2 is connected with driving shaft 3, rotate along with the rotation of driving shaft 3, export kinetic energy to external equipment in, the reduction gear during operation, pressing base 13 compresses tightly driven bevel gear 4 and connects and normally carry out transmission work on the top ejector pad 9 of driving shaft 3, top ejector pad 9 gives driven bevel gear 4 a trend power of keeping away from assembly bench 8 under the effect that pushes away top spring 11, when needing to change bevel gear, dismantle pressing base 13, top ejector pad 9 can break away from bevel gear ejecting release from driving shaft 3.

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.

Although the terms of the reduction housing 1, the output shaft 2, the driving shaft 3, the driven bevel gear 4, the disengaging structure 5, the pressing structure 6, the transmission driving structure 7, the assembling table 8, the ejector block 9, the receiving groove 10, the ejector spring 11, the pin key 12, the pressing seat 13, the ring 14, the driving bearing 15, the transmission shaft 16, the driving bevel gear 17, the motor connecting seat 18, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. A motor reducer with stable transmission connection comprises a reduction shell (1) and is characterized in that, an output shaft (2) is arranged in the speed reducing shell (1), one end of the output shaft (2) penetrates out of the speed reducing shell (1), the other end of the output shaft (2) is connected with a driving shaft (3) in a transmission way, a driven bevel gear (4) is arranged on the driving shaft (3), a separation structure (5) capable of quickly separating the driven bevel gear (4) from the driving shaft (3) is arranged between one end of the driven bevel gear (4) and the driving shaft (3), a pressing structure (6) is arranged between the other end of the driven bevel gear (4) and the speed reduction shell (1), a transmission driving structure (7) which is meshed and connected with the driven bevel gear (4) is arranged in the speed reducing shell (1), the transmission driving structure (7) is provided with a transmission end which penetrates out of the speed reducing shell (1) and is connected with a motor.

2. The motor reducer of claim 1, wherein the drive shaft (3) has a radially protruding mounting (8), and the disengaging structure (5) is disposed on an end surface of the mounting (8) facing the driven bevel gear (4).

3. The motor reducer with stable transmission connection according to claim 2, wherein the disengaging structure (5) comprises an ejector block (9) which is arranged on the assembling table (8) and can move along the length direction of the driving wheel, one end of the ejector block (9) is connected into the assembling table (8), and the other end of the ejector block (9) is used for abutting against the driven bevel gear (4).

4. The motor reducer with stable transmission connection according to claim 3, wherein the assembly table (8) is provided with an accommodating groove (10) for accommodating the end of the pushing block (9), a pushing spring (11) abutting against the pushing block (9) is arranged in the accommodating groove (10), and the pushing block (9) moves in a limiting manner in the accommodating groove (10) under the pushing of the pushing spring (11).

5. The motor reducer with stable transmission connection according to claim 1, wherein the driving shaft (3) is provided with a pin key (12), and the driven bevel gear (4) is sleeved on the pin key (12) at the center and rotates synchronously with the driving shaft (3).

6. The motor reducer with stable transmission connection according to claim 1, wherein the pressing structure (6) comprises a pressing seat (13) connected with the reduction casing (1), a ring (14) protruding towards one side of the driving shaft (3) and used for pressing the driven bevel gear (4) is arranged on the pressing seat (13), and the driving shaft (3) penetrates and is erected at the center of the ring (14).

7. The motor reducer with stable transmission connection according to claim 6, wherein the ring (14) is internally provided with a driving bearing (15) for rotating the driving shaft (3), the outer ring of the driving bearing (15) is embedded on the inner surface of the ring (14), and the inner ring of the driving bearing (15) is sleeved on the outer surface of the driving shaft (3).

8. Motor reducer with stable transmission connection according to claim 1, characterized in that the transmission drive structure (7) is arranged perpendicular to the drive shaft (3).

9. The motor reducer with stable transmission connection according to claim 1, wherein the transmission driving structure (7) comprises a transmission shaft (16) and a driving bevel gear (17) arranged at one end of the transmission shaft (16) and meshed with the driven bevel gear (4) for transmission, and the end of the transmission shaft (16) far away from the driving bevel gear (17) is provided with a connecting section which penetrates out of the reduction casing (1).

10. The motor reducer with stable transmission connection according to claim 9, wherein a motor connecting seat (18) is connected to the position of the reduction casing (1) corresponding to the connecting section, and the motor connecting seat (18) and the transmission shaft (16) are arranged on the same central axis.