CN221151105U - Coaxial revolution and rotation speed reducing motor - Google Patents

Abstract

The utility model relates to the field of gear motors, and discloses a coaxial revolution and rotation gear motor which comprises a base, a driving motor, a lower box body and an upper box body; the driving motor is arranged at one end of the top of the base through the fixing seat, the power output end of the driving motor is connected with an input shaft, the periphery of the end part of the input shaft is provided with a second annular block, one side of the second annular block is connected with a first annular block through a second connecting column, an internal tooth ring is arranged between the second annular block and the first annular block, a fixed shaft is further arranged between the first annular block and the second annular block and close to the second connecting column, and a large gear is sleeved at the position, close to one end, of the outer side of the fixed shaft; this novel part torsion is shared through the bigger gear wheel of diameter to avoided the pinion alone with outer lane gear contact produce tired, the problem of easy damage has promoted life greatly, is fit for extensively using widely.

Description

Coaxial revolution and rotation speed reducing motor

Technical Field

The utility model relates to the technical field of gear motors, in particular to a coaxial revolution and rotation gear motor.

Background

The coaxial planetary gear motor is a speed reducer with higher precision and efficiency, is widely applied to various mechanical transmission systems, has a large transmission ratio range and has a higher speed reduction ratio.

The prior gear motor has the following defects: 1. the pinion gear in the planetary gear set is directly contacted with the outer ring gear, the torque is larger, the fatigue damage is easy to happen after long-time use, and the service life is shorter. Accordingly, a person skilled in the art provides a coaxial revolution and rotation speed reduction motor to solve the problems set forth in the background art described above.

Disclosure of utility model

The main objective of the present utility model is to provide a coaxial revolution/rotation speed reducing motor, so as to solve the problems set forth in the above background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The coaxial revolution and rotation speed reducing motor comprises a base, a driving motor, a lower box body and an upper box body;

The driving motor is arranged at one end of the top of the base through a fixing seat, the power output end of the driving motor is connected with an input shaft, a second annular block is arranged at the periphery of the end part of the input shaft, one side of the second annular block is connected with a first annular block through a second connecting column, an internal tooth toothed ring is arranged between the second annular block and the first annular block, a fixed shaft is arranged between the first annular block and the second annular block and is close to the position between the second connecting column, a large gear is sleeved at one end, close to the outer side of the fixed shaft, a small gear is sleeved at one end, close to the outer side of the large gear, of the fixed shaft, the small gear is meshed with the inner wall of the internal tooth toothed ring, the first annular block is far away from one end of the second annular block, a third annular block is connected with a connecting disc through a first connecting column, one end of the third annular block is fixed with the connecting disc through a second connecting bolt, and one end of the connecting disc is provided with an output shaft close to the central position.

As still further aspects of the utility model: the base top is kept away from driving motor one end department is provided with down the box through the supporting shoe, lower box upper end is provided with the box, input shaft and output shaft pass respectively go up the both ends of box and lower box.

As still further aspects of the utility model: and a weight reducing groove is formed in the position, close to the outer side of the output shaft, of one end of the connecting disc in a penetrating manner.

As still further aspects of the utility model: the upper box top is provided with the heat dissipation lug, can effectively promote the radiating area at upper box top through the heat dissipation lug to be favorable to promoting the radiating effect of gear train.

As still further aspects of the utility model: the upper box body is provided with strip-shaped connecting plates close to two sides of the lower box body, the strip-shaped connecting plates are fastened and connected through first connecting bolts, the strip-shaped connecting plates are connected through the first connecting bolts conveniently, and then the lower box body is connected with the upper box body.

Compared with the prior art, the utility model has the beneficial effects that:

1. Because be provided with the fixed axle between first annular piece and the second annular piece, be provided with gear wheel and pinion on the fixed axle, consequently share a part torsion through the bigger gear wheel of diameter to avoided the pinion alone with the contact of internal tooth ring gear produce tired, the problem of easy damage has promoted life greatly.

Drawings

Fig. 1 is a schematic structural view of a coaxial revolution/rotation speed reduction motor according to the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the upper case of the coaxial revolution/rotation speed reduction motor of the present utility model after being detached.

Fig. 3 is a schematic diagram of one end structures of a third annular block, a connecting disc, a large gear, an internal tooth ring and a second annular block of the coaxial revolution/rotation speed reducing motor.

Fig. 4 is a schematic view of the other end structures of a third annular block, a connecting disc, a large gear, an internal tooth ring and a second annular block of the coaxial revolution/rotation speed reduction motor of the present utility model.

In the figure: 1. a base; 2. a driving motor; 3. a lower box body; 4. an upper case; 5. a heat dissipation bump; 6. a strip-shaped connecting plate; 7. a first connecting bolt; 8. an input shaft; 9. an output shaft; 10. an internal tooth ring; 11. a first annular block; 12. a fixed shaft; 13. a large gear; 14. a first connection post; 15. a third annular block; 16. a connecting disc; 17. a second connecting bolt; 18. a weight reduction groove; 19. a second connection post; 20. a second annular block; 21. a pinion gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the embodiment of the present utility model, a coaxial revolution/rotation speed reduction motor includes a base 1, a driving motor 2, a lower case 3 and an upper case 4;

The driving motor 2 is arranged at one end of the top of the base 1 through a fixed seat, the power output end of the driving motor 2 is connected with an input shaft 8, the periphery of the end part of the input shaft 8 is provided with a second annular block 20, one side of the second annular block 20 is connected with a first annular block 11 through a second connecting column 19, an internal tooth toothed ring 10 is arranged between the second annular block 20 and the first annular block 11, a fixed shaft 12 is further arranged between the first annular block 11 and the second annular block 20 and close to the second connecting column 19, a large gear 13 is sleeved at one end of the outer side of the fixed shaft 12 close to one end of the fixed shaft 12, a small gear 21 is sleeved at one end of the outer side of the fixed shaft 12 close to the large gear 13, the small gear 21 is meshed with the inner wall of the internal tooth toothed ring 10, one end of the first annular block 11 far from the second annular block 20 is connected with a third annular block 15 through a first connecting column 14, one end of the third annular block 15 is fixed with a connecting disc 16 through a second connecting bolt 17, and one end of the connecting disc 16 is provided with an output shaft 9 close to the center.

Wherein, the top of the base 1 is provided with a lower box body 3 at one end far away from the driving motor 2 through a supporting block, the upper end of the lower box body 3 is provided with an upper box body 4, and an input shaft 8 and an output shaft 9 respectively penetrate through two ends of the upper box body 4 and the lower box body 3; the input and output of power is facilitated by the input shaft 8 and the output shaft 9, respectively.

Wherein, one end of the connecting disc 16 near the outer side of the output shaft 9 is provided with a weight reducing groove 18 in a penetrating way; the weight of the connecting disc 16 is conveniently and effectively reduced through the weight reducing grooves 18.

Wherein, the top of the upper box body 4 is provided with a heat dissipation convex block 5; the heat dissipation area at the top of the upper box body 4 can be effectively increased through the heat dissipation convex blocks 5, so that the heat dissipation effect of the gear set is improved.

The upper box body 4 and the lower box body 3 are provided with strip-shaped connecting plates 6 close to two sides of the upper box body, and the strip-shaped connecting plates 6 are fastened and connected through first connecting bolts 7; the strip-shaped connecting plates 6 are conveniently connected through the first connecting bolts 7, and then the lower box 3 and the upper box 4 are connected.

The working principle of the utility model is as follows: the driving motor 2 conveniently drives the input shaft 8 to rotate during operation, thereby make second annular piece 20 and first annular piece 11 rotate, rotate inside the internal tooth ring 10 through pinion 21, thereby realize the speed reduction effect to first annular piece 11, first annular piece 11 is when rotating, drive first spliced pole 14, third annular piece 15, connection pad 16 and output shaft 9 and carry out the speed reduction output, owing to be provided with fixed axle 12 between first annular piece 11 and the second annular piece 20, be provided with gear wheel 13 and pinion 21 on the fixed axle 12, consequently, share a part torsion through the bigger gear wheel 13 of diameter, thereby avoided pinion 21 alone with internal tooth ring 10 contact production tired, the problem of easy damage, life has been promoted greatly.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The coaxial revolution and rotation gear motor comprises a base (1), a driving motor (2), a lower box body (3) and an upper box body (4);

the method is characterized in that: the driving motor (2) set up in base (1) top one end department through the fixing base, the power take off end of driving motor (2) is connected with input shaft (8), input shaft (8) tip periphery is provided with second annular piece (20), second annular piece (20) one side is connected with first annular piece (11) through second spliced pole (19), be provided with internal tooth ring (10) between second annular piece (20) and first annular piece (11), be close to between first annular piece (11) and second annular piece (20) still be provided with fixed axle (12) between second spliced pole (19), the cover is equipped with gear wheel (13) in the outside of fixed axle (12) near one end department, the outside of fixed axle (12) is close to gear wheel (13) one end department still overlaps and is equipped with pinion (21), pinion (21) and internal tooth ring (10) inner wall meshing, first annular piece (11) are kept away from second annular piece (20) one end department is through first spliced pole (14) and is provided with fixed axle (16) between second spliced pole (19), it is close to have first annular piece (16) to have output shaft (16) to be provided with center bolt (15) in the department.

2. The coaxial revolution and rotation speed reduction motor according to claim 1, wherein: the utility model discloses a motor drive device, including base (1), driving motor (2), lower box (3) are provided with through the supporting shoe in base (1) top department of keeping away from driving motor (2) one end department, lower box (3) upper end is provided with box (4), input shaft (8) and output shaft (9) pass respectively the both ends of last box (4) and lower box (3).

3. The coaxial revolution and rotation speed reduction motor according to claim 1, wherein: one end of the connecting disc (16) is close to the outer side of the output shaft (9), and a weight reducing groove (18) is formed in a penetrating mode.

4. The coaxial revolution and rotation speed reduction motor according to claim 2, wherein: the top of the upper box body (4) is provided with a heat dissipation convex block (5).

5. The coaxial revolution and rotation speed reduction motor according to claim 2, wherein: the upper box body (4) and the lower box body (3) are provided with strip-shaped connecting plates (6) close to each other on two sides, and the strip-shaped connecting plates (6) are fastened and connected through first connecting bolts (7).