Deceleration and vibration reduction structure driven by direct current motor

Abstract

The utility model discloses a direct current motor driven speed reduction and vibration reduction structure which comprises a speed reduction box, dampers are fixedly arranged at the four corners of one side of the speed reduction box, a fixing plate is fixedly arranged on the side, away from the speed reduction box, among the four dampers, and two sliding grooves are formed in the middle of one side of the speed reduction box. A telescopic rod and a buffer spring are fixedly arranged on one side of the inner wall of each sliding groove, and a sliding block is fixedly arranged at the end, away from the inner side of the corresponding sliding groove, between the telescopic rod and the buffer spring on the same side. Through cooperative arrangement of the four dampers, the two telescopic rods, the two buffer springs, the two sliding blocks, the two first hinge seats, the two connecting rods and the two second hinge seats, the buffering and damping effects can be achieved, so that vibration of the whole structure is relieved, noise generated by vibration is reduced, the stability of the whole structure can be guaranteed, and the service life of the whole structure is prolonged. The service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of DC reduction motors, in particular to a DC motor driven reduction and vibration reduction structure. Background Art

[0002] There are many types of reduction motors. Under the premise of mechatronics, the reduction motors on the market tend to be used in combination with motors and gearboxes. The purpose of reduction is achieved by utilizing the meshing of the input shaft of the motor with the gears inside the gearbox and utilizing the characteristics of the original multi-stage gear transmission or worm gear transmission inside the gearbox. This includes the most common DC reduction motor, also called gear reduction motor, which is based on an ordinary DC motor with a matching gear reduction box. The function of the gear reduction box is to provide a lower speed and a larger torque. However, the existing DC reduction motor has poor shock absorption performance, which leads to noise during operation and insufficient stability of the overall structure, affecting its service life.

[0003] In order to solve the above problems, a DC motor driven deceleration and vibration reduction structure is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a DC motor driven deceleration and vibration reduction structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a DC motor driven deceleration and vibration reduction structure, comprising a reduction box, four corners of one side of the reduction box are fixedly provided with dampers, a fixed plate is fixedly provided on the side away from the reduction box between the four dampers, two slide grooves are provided in the middle of one side of the reduction box, a telescopic rod and a buffer spring are fixedly provided on one side of the inner wall of the two slide grooves, a slider is fixedly provided on the end away from the inner side of the slide groove between the telescopic rod and the buffer spring on the same side, a first hinge seat is fixedly provided on the top of the two sliders, a connecting rod is hinged on the middle part of the two first hinge seats, the ends of the two connecting rods away from the first hinge seats are hinged on the second hinge seats, and the two second hinge seats are fixedly connected to the fixed plate, a second rotating shaft and a first rotating shaft are respectively rotatably provided at both ends of the inner side of the reduction box, and a third rotating shaft is rotatably provided in the middle part of the inner side of the reduction box.

[0006] The coordinated arrangement of four dampers, two telescopic rods, two buffer springs, two sliders, two first hinged seats, two connecting rods and two second hinged seats can play a role in buffering and shock absorption, thereby slowing down the vibration of the overall structure, thereby reducing the noise generated by the vibration, and can ensure the stability of the overall structure and extend the service life.

[0007] Preferably, first gears are fixedly provided at both ends of the second rotating shaft surface, a fourth gear is fixedly provided at the middle of the first rotating shaft surface, second gears are fixedly provided at both ends of the third rotating shaft surface, a third gear is fixedly provided at the middle of the third rotating shaft surface, the two first gears are respectively meshed and connected with the two second gears, and the third gear is meshed and connected with the fourth gear. Through the coordinated arrangement of the first rotating shaft, the second rotating shaft, the third rotating shaft, the two first gears, the two second gears, the third gear and the fourth gear, it is convenient to reduce the output shaft speed of the DC motor body to the required speed.

[0008] Preferably, a DC motor body is fixedly installed on the side of the reduction box away from the damper, and the output end of the DC motor body extends to the interior of the reduction box and is fixedly connected to one end of the second rotating shaft. A first bearing is provided at the connection between the DC motor body and the second rotating shaft, and the first bearing is fixedly connected to the reduction box, and the second rotating shaft is driven to rotate through the DC motor body.

[0009] Preferably, one end of the first rotating shaft extends to the outside and is fixedly connected to an output shaft, a second bearing is provided at the connection between the first rotating shaft and the output shaft, and the second bearing is fixedly connected to the reduction box, and the provision of the second bearing facilitates stable rotation of the output shaft.

[0010] Preferably, a through hole is opened in the middle of the fixing plate, and the through hole is arranged corresponding to the output shaft, and the arrangement of the through hole facilitates the installation of the output shaft.

[0011] Preferably, fixing holes are provided at four corners of the surface of the fixing plate, and the arrangement of the four fixing holes facilitates the fixing and installation of the structure.

[0012] Preferably, the two buffer springs are respectively sleeved on the surfaces of the two telescopic rods, and the two sliders are respectively slidably connected to the two slide grooves. The provision of the two slide grooves facilitates the stable movement of the two sliders.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The arrangement of four fixing holes facilitates the fixed installation of the structure, the second rotating shaft is driven to rotate by the DC motor body, and the output shaft speed of the DC motor body is reduced to the required speed by the coordinated arrangement of the first rotating shaft, the second rotating shaft, the third rotating shaft, the two first gears, the two second gears, the third gear and the fourth gear. The coordinated arrangement of four dampers, two telescopic rods, two buffer springs, two sliders, two first articulated seats, two connecting rods and two second articulated seats can play a role in buffering and shock absorption, thereby slowing down the vibration of the overall structure, thereby reducing the noise generated by the vibration, and ensuring the stability of the overall structure and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the utility model;

[0017] Figure 3 This is the internal structure diagram of the reduction box of the utility model;

[0018] Figure 4 It is an enlarged view of part A of the utility model.

[0019] In the figure: 1. reduction box; 2. damper; 3. fixing plate; 4. fixing hole; 5. DC motor body; 6. first rotating shaft; 7. output shaft; 8. through hole; 9. second rotating shaft; 10. first gear; 11. first bearing; 12. third rotating shaft; 13. second gear; 14. third gear; 15. fourth gear; 16. second bearing; 17. slide groove; 18. telescopic rod; 19. buffer spring; 20. slider; 21. first hinge seat; 22. connecting rod; 23. second hinge seat. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-4 The utility model provides a DC motor driven deceleration and vibration reduction structure, including a reduction box 1, four corners of one side of the reduction box 1 are fixedly provided with dampers 2, a fixed plate 3 is fixedly provided between the four dampers 2 on the side away from the reduction box 1, two slide grooves 17 are provided in the middle of one side of the reduction box 1, a telescopic rod 18 and a buffer spring 19 are fixedly provided on one side of the inner wall of the two slide grooves 17, a slider 20 is fixedly provided on the end away from the inner side of the slide groove 17 between the telescopic rod 18 and the buffer spring 19 on the same side, a first hinge seat 21 is fixedly provided on the top of the two sliders 20, a connecting rod 22 is hinged in the middle of the two first hinge seats 21, and the two connecting rods 22 is hinged with a second hinged seat 23 at one end away from the first hinged seat 21, and the two second hinged seats 23 are fixedly connected to the fixed plate 3. The second rotating shaft 9 and the first rotating shaft 6 are rotatably arranged at the two ends of the inner side of the reduction box 1 respectively, and the third rotating shaft 12 is rotatably arranged in the middle part of the inner side of the reduction box 1. Through the coordinated arrangement of four dampers 2, two telescopic rods 18, two buffer springs 19, two sliders 20, two first hinged seats 21, two connecting rods 22 and two second hinged seats 23, a buffering and shock-absorbing effect can be achieved, thereby slowing down the vibration of the overall structure, thereby reducing the noise generated by the vibration, and ensuring the stability of the overall structure and extending the service life.

[0022] The first gears 10 are fixedly arranged at both ends of the surface of the second rotating shaft 9, the fourth gear 15 is fixedly arranged at the middle of the surface of the first rotating shaft 6, the second gears 13 are fixedly arranged at both ends of the surface of the third rotating shaft 12, the third gear 14 is fixedly arranged at the middle of the surface of the third rotating shaft 12, the two first gears 10 are meshed and connected with the two second gears 13 respectively, the third gear 14 is meshed and connected with the fourth gear 15, a DC motor body 5 is fixedly installed on the side of the reduction box 1 away from the damper 2, the output end of the DC motor body 5 extends to the inside of the reduction box 1 and is fixedly connected to one end of the second rotating shaft 9, a first bearing 11 is arranged at the connection between the DC motor body 5 and the second rotating shaft 9, the first bearing 11 is fixedly connected to the reduction box 1, one end of the first rotating shaft 6 extends to the outside and is fixedly connected with the output shaft 7, a second bearing 16 is arranged at the connection between the first rotating shaft 6 and the output shaft 7, and the second bearing 16 is fixedly connected to the reduction box 1;

[0023] When in use, the first rotating shaft 6, the second rotating shaft 9, the third rotating shaft 12, the two first gears 10, the two second gears 13, the third gear 14 and the fourth gear 15 are arranged to reduce the output shaft speed of the DC motor body 5 to the required speed, and the second rotating shaft 9 is driven to rotate by the DC motor body 5, and the second bearing 16 is arranged to facilitate the stable rotation of the output shaft 7;

[0024] A through hole 8 is provided in the middle of the fixing plate 3, and the through hole 8 is arranged corresponding to the output shaft 7. The four corners of the surface of the fixing plate 3 are provided with fixing holes 4. Two buffer springs 19 are respectively sleeved on the surfaces of the two telescopic rods 18, and two sliders 20 are respectively slidably connected with the two slide grooves 17;

[0025] When in use, the output shaft 7 is conveniently installed through the provision of the through hole 8, the structure is conveniently fixed and installed through the provision of the four fixing holes 4, and the two sliding grooves 17 are convenient for the two sliders 20 to move stably.

[0026] When the embodiment of the present application is in use: the arrangement of four fixing holes 4 facilitates the fixed installation of the structure, the second rotating shaft 9 is driven to rotate by the DC motor body 5, and the coordinated arrangement of the first rotating shaft 6, the second rotating shaft 9, the third rotating shaft 12, the two first gears 10, the two second gears 13, the third gear 14 and the fourth gear 15 facilitates the reduction of the output shaft speed of the DC motor body 5 to the required speed. During operation, the structure can play a role of buffering and shock absorption through the coordinated arrangement of four dampers 2, two telescopic rods 18, two buffer springs 19, two sliders 20, two first articulated seats 21, two connecting rods 22 and two second articulated seats 23, thereby reducing the vibration of the overall structure, thereby reducing the noise generated by the vibration, and can ensure the stability of the overall structure and extend the service life.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A DC motor driven deceleration and vibration reduction structure, comprising a reduction box (1), characterized in that: The four corners of one side of the reduction box (1) are fixedly provided with dampers (2); a fixing plate (3) is fixedly provided between the four dampers (2) on a side away from the reduction box (1); two slide grooves (17) are provided in the middle of one side of the reduction box (1); a telescopic rod (18) and a buffer spring (19) are fixedly provided on one side of the inner wall of the two slide grooves (17); a slider (20) is fixedly provided on one end away from the inner side of the slide groove (17) between the telescopic rod (18) and the buffer spring (19) on the same side; The top of the slider (20) is fixedly provided with a first hinge seat (21), the middle parts of the two first hinge seats (21) are hinged with a connecting rod (22), the ends of the two connecting rods (22) away from the first hinge seat (21) are hinged with a second hinge seat (23), and the two second hinge seats (23) are fixedly connected to the fixed plate (3), the two ends of the inner side of the reduction box (1) are respectively rotatably provided with a second rotating shaft (9) and a first rotating shaft (6), and the middle part of the inner side of the reduction box (1) is rotatably provided with a third rotating shaft (12).

2. A DC motor driven deceleration and vibration reduction structure according to claim 1, characterized in that: A first gear (10) is fixedly arranged at both ends of the surface of the second rotating shaft (9), a fourth gear (15) is fixedly arranged in the middle of the surface of the first rotating shaft (6), a second gear (13) is fixedly arranged at both ends of the surface of the third rotating shaft (12), a third gear (14) is fixedly arranged in the middle of the surface of the third rotating shaft (12), the two first gears (10) are meshingly connected with the two second gears (13) respectively, and the third gear (14) is meshingly connected with the fourth gear (15).

3. A DC motor driven deceleration and vibration reduction structure according to claim 1, characterized in that: A DC motor body (5) is fixedly mounted on a side of the reduction box (1) away from the damper (2); an output end of the DC motor body (5) extends into the interior of the reduction box (1) and is fixedly connected to one end of a second rotating shaft (9); a first bearing (11) is provided at the connection between the DC motor body (5) and the second rotating shaft (9); and the first bearing (11) is fixedly connected to the reduction box (1).

4. A DC motor driven deceleration and vibration reduction structure according to claim 1, characterized in that: One end of the first rotating shaft (6) extends to the outside and is fixedly connected to an output shaft (7); a second bearing (16) is provided at the connection between the first rotating shaft (6) and the output shaft (7); and the second bearing (16) is fixedly connected to the reduction box (1).

5. The DC motor driven deceleration and vibration reduction structure according to claim 1, characterized in that: A through hole (8) is provided in the middle of the fixing plate (3), and the through hole (8) is arranged corresponding to the output shaft (7).

6. A DC motor driven deceleration and vibration reduction structure according to claim 1, characterized in that: The four corners of the surface of the fixing plate (3) are all provided with fixing holes (4).

7. A DC motor driven deceleration and vibration reduction structure according to claim 1, characterized in that: The two buffer springs (19) are respectively sleeved on the surfaces of the two telescopic rods (18), and the two sliding blocks (20) are respectively slidably connected to the two sliding grooves (17).

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