Dual-voltage integrated gearbox

Abstract

The utility model relates to a dual-voltage integrated gear box, which comprises a gear box shell, a gear assembly arranged in the gear box shell and a motor arranged on the gear box shell and connected with the gear assembly, the gear assembly is provided with three output shafts, and the two ends of the three output shafts extend out of the gear box shell. The double-voltage integrated gear box has the advantages of large torque, three output shafts, long service life, high control accuracy, compact structure, low noise and the like, can enable an infusion pump to realize accurate adjustment of infusion, improves the comfort level of a patient, can reduce nursing personnel, reduces medical cost, adopts a single-motor, multiple optical gratings and a three-shaft structure, and is convenient to use. Different outputs can be achieved, different requirements of patients for infusion are met, meanwhile, control intelligence is achieved, and the manual operation requirements of medical staff are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a dual-voltage integrated gear box. Background Art

[0002] With the development of science, people's demands for health and medical levels are constantly increasing, requiring infusion pumps to be intelligent, accurate, safe and low-noise.

[0003] The gearbox is the core component of the medical infusion pump and directly determines the performance of the infusion pump. Most of the existing infusion pumps on the market are mechanical, with poor accuracy and difficult adjustment. Their gearboxes generally have a single output shaft and a single function, which cannot achieve precise adjustment of the infusion of the infusion pump. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a dual-voltage integrated gearbox having the advantages of large torque, three output shafts, long life, high control accuracy, compact structure, low noise, etc.

[0005] The utility model is realized through the following technical solutions:

[0006] A dual voltage integrated gearbox comprises a gearbox housing, a gear assembly arranged in the gearbox housing, and a motor arranged on the gearbox housing and connected to the gear assembly, wherein the gear assembly comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a seventh gear, a first output shaft, a second output shaft, a first intermediate shaft and a second intermediate shaft, wherein the first output shaft, the second output shaft, the first intermediate shaft and the second intermediate shaft are rotatably connected in the gearbox housing and are parallel to each other, one end of the first output shaft and the second output shaft extends outside the gearbox housing, the first gear is fixed to the output shaft of the motor, the second gear and the third gear are coaxially fixed to the first intermediate shaft, the second gear is meshed with the first gear, the fourth gear is fixed to the first output shaft, the fourth gear is meshed with the third gear, the fifth gear and the sixth gear are coaxially fixed to the second intermediate shaft, the fifth gear is meshed with the third gear, the seventh gear is fixed to the second output shaft, and the seventh gear is meshed with the sixth gear.

[0007] In order to realize intelligent control, the other end of the first output shaft extends outside the gearbox housing and is fixed with a first encoder;

[0008] Correspondingly, the other end of the second output shaft extends outside the gearbox housing and is fixed with a second encoder;

[0009] Correspondingly, the gear assembly also includes a third output shaft and an eighth gear fixed on the third output shaft, the eighth gear is meshed with the fifth gear, and one end of the third output shaft extends outside the gear box housing and is fixed with a third encoder.

[0010] In order to make the internal structure of the housing more compact, the third gear is arranged at the bottom end of the second gear, the diameter of the third gear is smaller than the diameter of the second gear, and the fourth gear, the fifth gear and the eighth gear are arranged in parallel.

[0011] In order to facilitate the disassembly and assembly of the gear assembly in the housing, the gear box housing includes an upper housing and a lower housing that are detachably connected.

[0012] The beneficial effects of the utility model are:

[0013] (1) The dual voltage integrated gearbox is dual voltage controlled, and the infusion speed can be conveniently and accurately adjusted by adjusting the voltage;

[0014] (2) The dual voltage integrated gearbox is equipped with 3 different gratings, dual-axis gears with different transmission ratios, and can be used with the customer's encoder to achieve automatic control of multiple functions;

[0015] (3) The dual voltage integrated gearbox uses multiple precision gears with high precision and long life, which can achieve durable and precise use and meet the hospital's requirements for the high life of medical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the dual voltage integrated gearbox of the utility model;

[0017] Figure 2 It is a schematic structural diagram of the gear assembly of the utility model. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more specific definition of the protection scope of the present invention. The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., are only for reference to the directions of the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, rather than to limit the present invention.

[0019] like Figure 1A dual-voltage integrated gearbox is shown, comprising a gearbox housing, a gear assembly arranged in the gearbox housing, and a motor 1 arranged on the gearbox housing and connected to the gear assembly, the gearbox housing comprising a detachably connected upper housing 2 and a lower housing 3, the upper housing 2 and the lower housing 3 can be detachably connected by snap-fitting or screws, the motor 1 is fixed to the upper housing 2, the output shaft of the motor 1 extends into the gearbox housing, the gear assembly has three output shafts, and both ends of the three output shafts extend outside the gearbox housing.

[0020] Specifically, combined Figure 2 As shown, the gear assembly includes a first gear 9, a second gear 10, a third gear 11, a fourth gear 12, a fifth gear 13, a sixth gear 14, a seventh gear 15, an eighth gear 16, a first output shaft 4, a second output shaft 5, a first intermediate shaft 6, a second intermediate shaft 7 and a third output shaft 8. The first output shaft 4, the second output shaft 5, the first intermediate shaft 6, the second intermediate shaft 7 and the third output shaft 8 are rotatably connected in the gear box housing and are parallel to each other. One end (bottom end) of the first output shaft 4 and the second output shaft 5 extends to the outside of the gear box housing, the other end (top end) of the first output shaft 4 extends to the outside of the gear box housing and is fixed with a first encoder 17, the other end (top end) of the second output shaft 5 extends to the outside of the gear box housing and is fixed with a second encoder 18, the first gear 9 is fixed to the bottom end of the output shaft of the motor 1, the second gear 10 and the third gear 11 are coaxially fixed on the first intermediate shaft 6, the The third gear 11 is located below the second gear 10, the diameter of the third gear 11 is smaller than the diameter of the second gear 10, the second gear 10 is meshed with the first gear 9, the fourth gear 12 is fixed on the first output shaft 4, the fourth gear 12 is meshed with the third gear 11, the fifth gear 13 and the sixth gear 14 are coaxially fixed on the second intermediate shaft 7, the sixth gear 14 is located below the fifth gear 13, the diameter of the sixth gear 14 is smaller than the diameter of the fifth gear 13, the fifth gear 13 is meshed with the third gear 11, the seventh gear 15 is fixed on the second output shaft 5, the seventh gear 15 is meshed with the sixth gear 14, the eighth gear 16 is fixed on the third output shaft 8, the eighth gear 16 is meshed with the fifth gear 13, the fourth gear 12, the fifth gear 13, and the eighth gear 16 are arranged in parallel, and one end (top end) of the third output shaft 8 extends to the outside of the gear box housing and is fixed with a third encoder 19.

[0021] When in use, the motor 1 drives the first gear 9 to rotate, the first gear 9 drives the second gear 10 to rotate, the third gear 11 drives the fourth gear 12 and the fifth gear 13 to rotate simultaneously, the fifth gear 13 drives the eighth gear 16 to rotate, and the sixth gear 14 drives the seventh gear 15 to rotate, thereby realizing the three-axis output of the first output shaft 4, the second output shaft 5, and the third output shaft 8. The dual-voltage integrated gearbox has the advantages of large torque, three output shafts, long life, high control accuracy, compact structure, low noise, etc. This gearbox can enable the infusion pump to achieve precise adjustment of infusion, improve the comfort of patients, and at the same time, reduce the number of caregivers and reduce medical costs. The use of a single motor, multiple gratings and a three-axis structure can achieve different outputs to meet the different needs of patients for infusion, and at the same time realize intelligent control and reduce the manual operation requirements of medical staff.

[0022] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A dual voltage integrated gearbox, comprising a gearbox housing, a gear assembly disposed in the gearbox housing, and a motor disposed on the gearbox housing and connected to the gear assembly, characterized in that: The gear assembly includes a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a seventh gear, a first output shaft, a second output shaft, a first intermediate shaft and a second intermediate shaft. The first output shaft, the second output shaft, the first intermediate shaft and the second intermediate shaft are rotatably connected in a gear box housing and are parallel to each other. One end of the first output shaft and the second output shaft extends outside the gear box housing. The first gear is fixed to the output shaft of the motor, the second gear and the third gear are coaxially fixed to the first intermediate shaft, the second gear is meshed with the first gear, the fourth gear is fixed to the first output shaft, the fourth gear is meshed with the third gear, the fifth gear and the sixth gear are coaxially fixed to the second intermediate shaft, the fifth gear is meshed with the third gear, the seventh gear is fixed to the second output shaft, and the seventh gear is meshed with the sixth gear.

2. The dual voltage integrated gearbox according to claim 1, characterized in that: The other end of the first output shaft extends outside the gear box housing and is fixed with a first encoder.

3. The dual voltage integrated gearbox according to claim 2, characterized in that: The other end of the second output shaft extends outside the gear box housing and is fixed with a second encoder.

4. The dual voltage integrated gearbox according to claim 3, characterized in that: The gear assembly also includes a third output shaft and an eighth gear fixed on the third output shaft, the eighth gear is meshed with the fifth gear, and one end of the third output shaft extends outside the gear box housing and is fixed with a third encoder.

5. The dual voltage integrated gearbox according to claim 4, characterized in that: The third gear is arranged at the bottom end of the second gear, the diameter of the third gear is smaller than the diameter of the second gear, and the fourth gear, the fifth gear and the eighth gear are arranged in parallel.

6. The dual voltage integrated gearbox according to any one of claims 1 to 5, characterized in that: The gear box housing comprises an upper housing and a lower housing which are detachably connected.

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