Driving structure of spraying machine

Abstract

The utility model discloses a driving structure of a spraying machine, which belongs to the technical field of electric spraying machines, and is characterized in that the driving structure comprises a rack, a motor is assembled at one end of the rack, a carrier gear and a shaft sleeve are arranged on an output shaft of the motor, and the output shaft of the motor is connected with the carrier gear through a one-way bearing; the shaft sleeve is arranged between an output shaft of the motor and the carrier gear, a pipe coiler is arranged at the other end of the machine frame, a driven gear is arranged on the pipe coiler, a driving gear is rotationally installed on the machine frame, the driving gear is arranged between the motor and the pipe coiler, the driving gear is meshed with the carrier gear, and the driven gear is meshed with the driving gear. And the driving gear, the carrier gear and the driven gear are all 20-degree gears. The device has the effects of high efficiency, labor saving and cost saving.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric spraying machine, and particularly relates to the drive structure of spraying machine. BACKGROUND

[0002] In agricultural production, pesticide spraying can improve the protection and growth of vegetation. Most of the spraying machines for spraying pesticides on the market are backpack sprayers, and the backpack sprayer needs to be carried on the back, which has high labor intensity, high labor cost and low spraying efficiency.

[0003] A gear automatic clutch of an electric pesticide spraying machine is disclosed in Chinese Patent No. CN221894447U, which comprises an electric pesticide spraying machine frame, a pipe distributor rotatably installed on the electric pesticide spraying machine frame, a driving bevel gear installed on the pipe distributor, a transmission bevel gear rotatably installed on the electric pesticide spraying machine frame, and the transmission bevel gear is engaged with the driving bevel gear. By using the principle of rotating screw, the rotating sliding shaft is driven to rotate forward or reverse by the forward and reverse motor, and through the thread boosting effect, the outer sleeve nut moves forward or backward, realizing the clutch of the small bevel gear and the transmission bevel gear. One person can operate remotely, saving manpower and improving work efficiency.

[0004] However, the above technical solution has the following defects: long-term use of threads will wear out, resulting in performance degradation, and the need to replace worn parts, which is costly. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above problems existing in the prior art, and provides a drive structure of a spraying machine, and the problem to be solved by the utility model is how to reduce the cost.

[0006] The above technical purpose of the utility model can be realized by the following technical solution:

[0007] A drive structure of a spraying machine comprises a frame, a motor is assembled at one end of the frame, a bridge gear and a shaft sleeve are arranged on the output shaft of the motor, the output shaft of the motor is connected with the bridge gear through a one-way bearing, the shaft sleeve is arranged between the output shaft of the motor and the bridge gear, a coil pipe device is arranged at the other end of the frame, a driven gear is arranged on the coil pipe device, a driving gear is rotatably installed on the frame, the driving gear is arranged between the motor and the coil pipe device, the driving gear is engaged with the bridge gear, the driven gear is engaged with the driving gear, and the driving gear, the bridge gear and the driven gear are all 20-degree gears.

[0008] In the drive structure of the spraying machine, a threaded hole is formed at the top end of the output shaft of the motor, a bolt is arranged at the threaded hole, and the bolt is connected with the threaded hole.

[0009] In the drive structure of the spraying machine, a gasket is arranged between the bolt and the threaded hole.

[0010] In the driving structure of the sprayer, the pipe coil device is connected with the driven gear through threads.

[0011] In the driving structure of the sprayer, the driven gear is installed on the frame through a bearing base.

[0012] In the driving structure of the sprayer, the motor is a planetary gear motor, which comprises a rotating shaft, a ring gear, a sun gear, a planet carrier, a planet gear and a cover plate.

[0013] In the driving structure of the sprayer, the diameter of the output shaft of the motor is 14-24 mm.

[0014] Compared with the prior art, the driving structure has the following beneficial effects:

[0015] The bridge gear is directly fixed on the output shaft of the motor without additional fixing, and the installation is simple.

[0016] The one-way bearing makes the operation more convenient when pulling the pipe.

[0017] The bridge gear is not displaced during rotation due to the limiting of the shaft sleeve, the washer and the bolt, and the driving stability is improved.

[0018] The driving gear, the bridge gear and the driven gear are all 20-degree gears, which have low noise, high efficiency and long service life, and reduce the cost.

[0019] The planetary gear motor can improve the transmission efficiency, make the overall operation more stable, and reduce the noise. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the driving structure of the application;

[0021] Figure 2 It is an exploded view of the bridge gear and the motor output shaft part of the application;

[0022] Figure 3 It is a schematic diagram of the connection of the threaded hole and the bolt of the application.

[0023] Figure 4 It is a schematic diagram of the planetary gear part structure of the motor of the application.

[0024] 1, frame; 2, motor; 3, over bridge gear; 4, one-way bearing; 5, shaft sleeve; 6, coil pipe device; 7, driven gear; 8, driving gear; 9, threaded hole; 10, bolt; 11, washer; 12, bearing base; 13, output shaft; 14, rotating shaft; 15, ring gear; 16, sun gear; 17, planet carrier; 18, planet gear; 19, cover plate. DETAILED DESCRIPTION

[0025] The present application will be described in detail with specific embodiments hereinafter, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. The present application can also be implemented or applied by other different embodiments, and various modifications or changes can be made to the details in the specification without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0026] It should be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present application, and the drawings only show the components related to the present application, not the number, shape and size of the components when actually implemented. The shape, number and ratio of each component can be changed arbitrarily when actually implemented, and the layout pattern of the components can also be more complex.

[0027] The specific embodiments of the present application will be further described below with reference to the accompanying drawings.

[0028] The present application discloses a driving structure of a spraying machine, as shown in Figure 1 The frame 1 is assembled with the motor 2 at one end, and the output shaft 13 of the motor 2 is provided with the over bridge gear 3 and the shaft sleeve 5. Since the over bridge gear 3 is arranged on the output shaft 13 of the motor 2, the over bridge gear 3 does not need to be fixed additionally, thereby reducing the production cost.

[0029] The output shaft 13 of the motor 2 is connected with the over bridge gear 3 through the one-way bearing 4, which can make the operator more labor-saving when pulling the pipe, thereby improving the efficiency.

[0030] The shaft sleeve 5 is arranged between the output shaft 13 of the motor 2 and the over bridge gear 3, which can prevent the over bridge gear 3 from moving to the motor 2 when rotating, thereby enabling the driving structure to run smoothly.

[0031] The rack 1 is provided with a coil device 6 at the other end, the coil device 6 is provided with a driven gear 7, the rack 1 is rotatably provided with a driving gear 8, the driving gear 8 is arranged between the motor 2 and the coil device 6, the driving gear 8 is engaged with the overbridge gear 3, the driven gear 7 is engaged with the driving gear 8, when the motor 2 is started, the output shaft 13 of the motor 2 rotates to drive the overbridge gear to rotate, thereby driving the driving gear 8 and the driven gear 7 to rotate, realizing power transmission, so that the coil device can rotate, which can be more convenient and fast when collecting the pipe.

[0032] The driving gear 8, the overbridge gear 3 and the driven gear 7 are all 20-degree gears, it should be noted that the 20-degree gear refers to a gear with a slope of 20°, such gear has lower noise and higher efficiency, and also has longer service life, which can reduce cost.

[0033] As shown in Figure 3 , the output shaft 13 of the motor 2 is provided with a threaded hole 9 at the top end, the threaded hole 9 is provided with a bolt 10, the bolt 10 is connected with the threaded hole 9, which can prevent the overbridge gear 3 from moving when rotating, so that the driving structure can run smoothly.

[0034] As shown in Figure 2 , the bolt 10 and the threaded hole 9 are provided with a washer 11, which can improve friction and provide shock absorption, and provide service life.

[0035] The coil device 6 and the driven gear 7 are connected by threads, which can make the coil device 6 and the driven gear 7 more firm and improve the service life.

[0036] The driven gear 7 is installed on the rack 1 through the bearing base 12, which can reduce the friction coefficient and make the driven gear 7 rotate smoothly.

[0037] As shown in Figure 3 , 4 , the motor 2 is a planetary gear type motor, which includes a rotating shaft 14, a ring gear 15, a sun gear 16, a planet carrier 17, a planet gear 18 and a cover plate 19, the sun gear 16 and the cover plate 19 are fixed on the rotating shaft 14, the planet carrier 17 and the ring gear 15 are fixed on the cover plate 19, the planet gear 18 is arranged on the planet carrier 17, the sun gear 16 is engaged with the planet gear 18, and the planet gear 18 is engaged with the ring gear 15. This structure can improve the transmission efficiency of the motor 2, make the operation more stable, and the noise is lower, it should be noted that the motor 2 is a planetary gear type DC brushless variable frequency motor with a diameter of 120mm.

[0038] The diameter of the output shaft 13 of the motor 2 is 14mm-24mm, specifically, the diameter of the output shaft 13 of the motor 2 is 19mm, such output shaft 13 is relatively small and convenient to install.

[0039] The specific embodiments described herein are merely illustrative of the spirit of the present application; those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A drive arrangement for a sprayer comprising a frame (1) characterised in that: The frame (1) is equipped with a motor (2) at one end, the output shaft (13) of the motor (2) is provided with a bridge gear (3) and a shaft sleeve (5), the output shaft (13) of the motor (2) is connected with the bridge gear (3) through a one-way bearing (4), the shaft sleeve (5) is arranged between the output shaft (13) of the motor (2) and the bridge gear (3), the frame (1) is provided with a coil device (6) at the other end, the coil device (6) is provided with a driven gear (7), the frame (1) is rotatably provided with a driving gear (8), the driving gear (8) is arranged between the motor (2) and the coil device (6), the driving gear (8) is engaged with the bridge gear (3), the driven gear (7) is engaged with the driving gear (8), the driving gear (8), the bridge gear (3) and the driven gear (7) are all 20-degree gears.

2. A drive structure for a sprayer as defined in claim 1, wherein: The output shaft (13) of the motor (2) is provided with a threaded hole (9) at the top end, the threaded hole (9) is provided with a bolt (10), and the bolt (10) is connected with the threaded hole (9).

3. A drive arrangement for a sprayer according to claim 2, wherein: The bolt (10) and the threaded hole (9) are provided with a washer (11) therebetween.

4. The drive structure for a sprayer of claim 1, wherein: The coil device (6) and the driven gear (7) are connected through threads.

5. A drive arrangement for a sprayer according to claim 4, wherein: The driven gear (7) is installed on the frame (1) through a bearing base (12).

6. A drive structure for a sprayer according to claim 1, wherein: The motor (2) is a planetary gear type motor, comprising a rotating shaft (14), a ring gear (15), a sun gear (16), a planet carrier (17), a planet wheel (18) and a cover plate (19), the sun gear (16) and the cover plate (19) are fixed on the rotating shaft (14), the planet carrier (17) and the ring gear (15) are fixed on the cover plate (19), the planet wheel (18) is arranged on the planet carrier (17), the sun gear (16) is engaged with the planet wheel (18), and the planet wheel (18) is engaged with the ring gear (15).

7. A drive structure for a sprayer as defined in claim 1, wherein: The diameter of the output shaft (13) of the motor (2) is 14mm-24mm.

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