Novel transmission structure of blowing and sucking machine

Abstract

The utility model discloses a novel transmission structure of a blowing and sucking machine, which particularly relates to the technical field of blowing and sucking machines and comprises a blowing and sucking machine shell, four wheels are arranged at the bottom of the blowing and sucking machine shell, a rotating brush roller is connected to the front end of the blowing and sucking machine shell, and a driven wheel and a driving wheel are respectively mounted at the front end and the rear end of one side wall of the blowing and sucking machine shell. A first transmission belt is connected between the driven wheel and the driving wheel, a first transmission gear is fixedly connected to the end of a center shaft rod of the driven wheel, a second transmission gear is fixedly connected to the side, close to the first transmission gear, of one end of the rotating brush roller, and a second transmission belt is connected between the second transmission gear and the first transmission gear. And a second belt pulley is mounted in the center of the top of the blowing and sucking machine shell. The whole transmission structure is simple in design and easy to operate, and the effects of driving the rotating brush roller and blowing and sucking grass bodies or sundries can be easily achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of blowing and sucking machines, and more specifically, to a novel transmission structure of a blowing and sucking machine. Background Art

[0002] The blower-suction machine can be used for outdoor cleaning such as golf courses, sports fields, roads, etc. It can efficiently clean dead leaves, sand, snow and other garbage; urban landscaping, roads, lawns and flower beds; agricultural orchards, streets, hospitals, schools, villa areas, lawns to clean dust and debris, etc.

[0003] After searching, a Chinese patent with publication number CN208917746U discloses a blowing and sucking machine. The existing blowing and sucking machines are generally driven by manual operation, cannot be self-propelled, and the blowing and sucking effect is very poor. They cannot walk on the lawn and cannot separate and suck up the dead leaves and other garbage entangled in the grass, which is very inconvenient to use. The technical effect is that the machine can be self-propelled and simultaneously realize automatic cleaning, automatic grass combing, and garbage crushing functions, greatly improving the blowing and sucking efficiency.

[0004] In the above-mentioned blow-vacuum machine, the engine and gearbox are placed at the front of the blow-vacuum machine, resulting in the original volute position carrying the structure of the heavier engine. Although this shortens the travel of the transmission structure on the blow-vacuum machine, it also makes the overall volume of the blow-vacuum machine larger and the internal space of the volute smaller. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a novel transmission structure of a blowing and suction machine.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel transmission structure of a blowing and suction machine, comprising a blowing and suction machine housing, four wheels are arranged at the bottom of the blowing and suction machine housing, and a rotating brush roller is connected to the front end of the blowing and suction machine housing, a driven wheel and a driving wheel are respectively installed at the front and rear ends of one side wall of the blowing and suction machine housing, a first transmission belt is connected between the driven wheel and the driving wheel, a first transmission gear is fixedly connected to the end of the central shaft of the driven wheel, a second transmission gear is fixedly connected to one end of the rotating brush roller near the side where the first transmission gear is located, and the second transmission gear is connected to the first transmission gear. A second transmission belt is connected between a transmission gear and a second pulley is installed at the top center of the blower-suction machine housing, and a plurality of rotating plates are connected to the bottom of the second pulley. An annular cavity is provided inside the blower-suction machine housing corresponding to the outside of the second pulley, and a grass outlet communicated with the inside of the annular cavity is provided at the rear end of the blower-suction machine housing. A driving shaft is fixedly connected to the middle part of the active wheel in the horizontal direction, and a driving part housing is connected to the end of the driving shaft. A first pulley is installed on the top of the driving part housing, and a transmission belt is connected between the first pulley and the second pulley.

[0007] As a further improvement of the technical solution of the utility model, a connecting plate is provided at the other end of the rotating brush roller, a connecting frame is connected between the connecting plate and the outer wall of the blower-suction machine housing, the connecting frame is fixedly connected to the outer wall of the blower-suction machine housing and the connecting plate by bolts, and a bearing seat is installed on the inner wall of the connecting plate corresponding to the end of the central axis rod of the rotating brush roller.

[0008] As a further improvement of the technical solution of the utility model, a bearing is installed at an outer position of the outer wall of the blower-suction machine housing corresponding to the central axis of the driven wheel, and a bearing is installed at an outer position of the outer wall of the blower-suction machine housing corresponding to the driving shaft.

[0009] As a further improvement of the technical solution of the utility model, a motor for driving the first pulley and the driving shaft to rotate respectively is installed inside the driving part housing, and the driving part housing is fixedly connected to the blowing and suction machine housing by bolts.

[0010] As a further improvement of the technical solution of the utility model, the plurality of rotating plates are arranged in a circular array, a through hole for weeds to enter is provided at the bottom of the blower-suction machine housing, and a partition is provided inside the blower-suction machine housing above the through hole, and the second pulley is installed above the partition.

[0011] As a further improvement of the technical solution of the utility model, the housing of the blower-suction machine consists of a lower housing and an upper housing, and the edges of the upper housing and the lower housing are fixedly connected by bolts.

[0012] As a further improvement of the technical solution of the utility model, a shaft rod is fixedly connected at the center of the second pulley, and a bearing seat is installed at the end position of the shaft rod corresponding to the inner wall of the blower-suction machine housing.

[0013] Beneficial effects of the utility model:

[0014] The utility model improves the transmission structure and places the driving part of the transmission structure at the rear, and does not affect the use effect of the transmission structure. The transmission belt can also be used to control the rotation of the rotating plate inside the shell, thereby increasing the space inside the shell. When in use, the motor inside the driving part shell is controlled to drive the first pulley and the driving shaft to rotate. The overall transmission structure is simple in design. On the one hand, when the driving shaft rotates, it drives the driving wheel to rotate. When the driving wheel rotates, it drives the driven wheel to rotate through the first transmission belt. When the driven wheel rotates, it drives the first transmission gear at the end of the central shaft to rotate. When the first transmission gear rotates, it drives the second transmission gear to rotate through the second transmission belt, thereby causing the rotating brush roller to rotate to brush the weeds or debris. On the other hand, because the grass or debris brushed by the rotating brush roller enters the interior of the blowing and sucking machine shell through the through hole under the beating of the roller body during rotation, the second pulley is driven to rotate by the rotation of the first pulley, thereby controlling the rotation of the rotating plate inside the blowing and sucking machine shell, and the grass body can be concentrated and flowed out from the grass outlet by the rotation and beating of the rotating plate. The overall structure is simple in design and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the blower-suction machine housing after the upper shell is disassembled.

[0016] Figure 2 This is one of the structural schematic diagrams of the blower-suction machine of the utility model after the shell is disassembled.

[0017] Figure 3 This is the second structural schematic diagram of the blower-suction machine of the utility model after the shell is disassembled.

[0018] The accompanying drawings are marked as follows: 1. blower-suction machine housing; 2. wheel; 3. driven wheel; 4. driving wheel; 5. first transmission belt; 6. first transmission gear; 7. second transmission gear; 8. second transmission belt; 9. drive unit housing; 10. first pulley; 11. second pulley; 12. transmission belt; 13. annular cavity; 14. rotating plate; 15. grass outlet; 16. rotating brush roller; 17. driving shaft. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] As attached Figure 1-3A novel transmission structure of a blower and vacuum machine is shown, comprising a blower and vacuum machine housing 1, four wheels 2 are arranged at the bottom of the blower and vacuum machine housing 1, and a rotating brush roller 16 is connected to the front end of the blower and vacuum machine housing 1, and a driven wheel 3 and a driving wheel 4 are respectively installed at the front and rear ends of one side wall of the blower and vacuum machine housing 1, a first transmission belt 5 is connected between the driven wheel 3 and the driving wheel 4, a first transmission gear 6 is fixedly connected to the end of the central shaft of the driven wheel 3, a second transmission gear 7 is fixedly connected to one end of the rotating brush roller 16 near the side where the first transmission gear 6 is located, and a second transmission belt 5 is connected between the second transmission gear 7 and the first transmission gear 6. 8. A second pulley 11 is installed at the top center of the blower-suction machine housing 1, and a plurality of rotating plates 14 are connected to the bottom of the second pulley 11. An annular cavity 13 is arranged inside the blower-suction machine housing 1 corresponding to the outside of the second pulley 11, and a grass outlet 15 communicating with the inside of the annular cavity 13 is arranged at the rear end of the blower-suction machine housing 1. A driving shaft 17 is fixedly connected to the middle of the driving wheel 4 in the horizontal direction, and a driving unit housing 9 is connected to the end of the driving shaft 17. A first pulley 10 is installed on the top of the driving unit housing 9, and a transmission belt 12 is connected between the first pulley 10 and the second pulley 11.

[0021] It should be noted that the blower-vacuum machine housing 1 consists of a lower shell and an upper shell, and the edges of the upper shell and the lower shell are fixedly connected by bolts. In order to better display the internal structure of the blower-vacuum machine housing 1, the upper shell is not shown in the accompanying drawings.

[0022] As attached Figure 1 As shown, a connecting plate is provided at the other end of the rotating brush roller 16, a connecting frame is connected between the connecting plate and the outer wall of the blower-suction machine housing 1, the connecting frame is fixedly connected to the outer wall of the blower-suction machine housing 1 and the connecting plate by bolts, and a bearing seat is installed on the inner wall of the connecting plate corresponding to the end of the central axis rod of the rotating brush roller 16, so as to fix the position of the rotating brush roller 16.

[0023] As attached Figure 1-2 As shown, a bearing is installed at an outer position of the outer wall of the blower-vacuum machine housing 1 corresponding to the central axis of the driven wheel 3, and a bearing is installed at an outer position of the outer wall of the blower-vacuum machine housing 1 corresponding to the driving shaft 17, so as to facilitate the stable rotation of the driven wheel 3 and the driving wheel 4.

[0024] As attached Figure 1-3 As shown, motors for driving the first pulley 10 and the drive shaft 17 to rotate are installed inside the driving housing 9, and the driving housing 9 is fixedly connected to the blower-vacuum machine housing 1 by bolts, which is convenient for controlling the rotation of the first pulley 10 and the drive shaft 17 during use, and at the same time, it is convenient for the installation and fixation of the driving housing 9.

[0025] As attached Figure 1-3As shown, a plurality of rotating plates 14 are arranged in a circular array, a through hole for weeds to enter is provided at the bottom of the blower housing 1, and a partition is provided above the through hole inside the blower housing 1, and a second pulley 11 is installed above the partition, so that when in use, the grass brushed by the rotating brush roller 16 enters the interior of the blower housing 1 after being beaten by the rotating roller body or the through hole at the bottom of the blower is moved to the top of the grass or debris, and the grass or debris are concentrated and flowed out from the grass outlet 15 by the rotating beating of the rotating plate 14.

[0026] As attached Figure 1 As shown, a shaft is fixedly connected to the center of the second pulley 11, and a bearing seat is installed at the inner wall of the blower-vacuum machine housing 1 at the end position of the shaft, so as to facilitate the stable rotation of the second pulley 11.

[0027] Working principle: This utility model designs a new type of blowing and sucking machine transmission structure. The specific structure is as shown in the attached manual. Figure 1-3 As shown, when the present technical solution is in use, the motor inside the driving part housing 9 is controlled to drive the first pulley 10 and the driving shaft 17 to rotate. On the one hand, when the driving shaft 17 rotates, it drives the driving wheel 4 to rotate. When the driving wheel 4 rotates, it drives the driven wheel 3 to rotate through the first transmission belt 5. When the driven wheel 3 rotates, it drives the first transmission gear 6 at the end of the central shaft to rotate. When the first transmission gear 6 rotates, it drives the second transmission gear 7 to rotate through the second transmission belt 8, thereby causing the rotating brush roller 16 to rotate to brush the weeds. On the other hand, because the grass brushed by the rotating brush roller 16 enters the interior of the blowing and sucking machine housing 1 after being beaten by the rotating roller body or the through hole at the bottom of the blowing and sucking machine, the second pulley 11 is driven to rotate by the rotation of the first pulley 10, thereby controlling the rotation of the rotating plate 14 inside the blowing and sucking machine housing 1, and the grass is concentrated to flow out from the grass outlet 15 by the rotation and beating of the rotating plate 14.

[0028] Among them, the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A novel transmission structure of a blowing and sucking machine, comprising a blowing and sucking machine housing (1), wherein four wheels (2) are arranged at the bottom of the blowing and sucking machine housing (1), and a rotating brush roller (16) is connected to the front end of the blowing and sucking machine housing (1), characterized in that: A driven wheel (3) and a driving wheel (4) are respectively installed at the front and rear ends of one side wall of the blower and vacuum machine housing (1); a first transmission belt (5) is connected between the driven wheel (3) and the driving wheel (4); a first transmission gear (6) is fixedly connected to the end of the central shaft of the driven wheel (3); a second transmission gear (7) is fixedly connected to one end of the rotating brush roller (16) near the side where the first transmission gear (6) is located; a second transmission belt (8) is connected between the second transmission gear (7) and the first transmission gear (6); a second belt pulley (11) is installed at the top center of the blower and vacuum machine housing (1); and the second belt pulley (11) is connected to the first transmission gear (6). The bottom of the blower (4) is connected to a plurality of rotating plates (14), the interior of the blower housing (1) is provided with an annular cavity (13) corresponding to the exterior of the second pulley (11), and the rear end of the blower housing (1) is provided with a grass outlet (15) communicating with the interior of the annular cavity (13), the middle of the driving wheel (4) is fixedly connected to a driving shaft (17) in the horizontal direction, the end of the driving shaft (17) is connected to a driving unit housing (9), the top of the driving unit housing (9) is provided with a first pulley (10), and a transmission belt (12) is connected between the first pulley (10) and the second pulley (11).

2. The new blowing and suction machine transmission structure according to claim 1 is characterized in that: The other end of the rotating brush roller (16) is provided with a connecting plate, a connecting frame is connected between the connecting plate and the outer wall of the blower-vacuum machine housing (1), the connecting frame is fixedly connected to the outer wall of the blower-vacuum machine housing (1) and the connecting plate by bolts, and a bearing seat is installed on the inner wall of the connecting plate corresponding to the end of the central axis rod of the rotating brush roller (16).

3. The new blowing and suction machine transmission structure according to claim 1 is characterized in that: A bearing is installed at an outer position of the blower-vacuum machine housing (1) corresponding to the outer position of the central shaft of the driven wheel (3), and a bearing is installed at an outer position of the blower-vacuum machine housing (1) corresponding to the outer position of the drive shaft (17).

4. The new blowing and suction machine transmission structure according to claim 1 is characterized in that: A motor is installed inside the driving part housing (9) for driving the first pulley (10) and the driving shaft (17) to rotate respectively. The driving part housing (9) is fixedly connected to the blowing and suction machine housing (1) by bolts.

5. The new blowing and suction machine transmission structure according to claim 1 is characterized in that: The plurality of rotating plates (14) are arranged in a circular array, a through hole for weeds to enter is provided at the bottom of the blower-vacuum machine housing (1), and a partition is provided above the through hole inside the blower-vacuum machine housing (1), and the second pulley (11) is installed above the partition.

6. The new blowing and suction machine transmission structure according to claim 1 is characterized in that: The blower-suction machine housing (1) consists of a lower housing and an upper housing, and the upper housing is fixedly connected to the lower housing at its edges by bolts.

7. The new blowing and suction machine transmission structure according to claim 1 is characterized in that: The center of the second pulley (11) is fixedly connected to a shaft rod, and a bearing seat is installed on the inner wall of the blower-vacuum machine housing (1) at a position corresponding to the end of the shaft rod.

Images