CN215380017U

CN215380017U - Cross transmission type mower

Info

Publication number: CN215380017U
Application number: CN202121753639.9U
Authority: CN
Inventors: 黄鹏; 林宇庭; 国贤鑫; 万峻峰
Original assignee: Zhejiang Dobest Power Tools Co ltd
Current assignee: Zhejiang Dobest Power Tools Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-04
Anticipated expiration: 2031-07-29

Abstract

The utility model provides a cross-drive mower. The power device solves the problem that the power device on the existing mower is directly output to the blade through the output shaft, and the power device is easily damaged in the cutting process. When the cutter blade is used, the rotating shaft and the output shaft are placed in a cross manner to be transmitted, the power of the power device is transmitted through the second gear and the second gear which are always meshed, when the cutter blade directly impacts on a hard object, the resistance is directly transmitted to the joint of the first gear and the second gear, the first gear and the second gear are damaged due to larger resistance, the power device is protected to avoid the damage of the power device, the power is transmitted through the first gear and the second gear which are meshed with each other, the torque is adjusted by adjusting the gear ratio of the first gear and the second gear, and under the same power device, the cutter blade has larger torque and the cutting efficiency is higher.

Description

Cross transmission type mower

Technical Field

The utility model belongs to the technical field of mowers, and particularly relates to a cross-drive type mower.

Background

Although lawn mowers are various types of mechanical tools for trimming lawns, most of lawn mowers for home use are cart type lawn mowers. The mower generally comprises a base, wherein a rotary cutting knife facing the ground is arranged at the front part of the base, a traveling wheel is arranged at the rear part of the base, and most of the cart-type mowers are also provided with control hand-push. When the lawn mower is used, the power device is started to enable the rotary cutting knife to rotate quickly, the travelling wheel at the rear part of the base lands, and a user holds hand push and pushes the mower to travel, so that the lawn along the way is trimmed. Usually, in order to realize the rotary cutting of the blade on the horizontal plane, the power device needs to be placed along the vertical direction, the output shaft on the power device is fixedly connected with the blade along the vertical direction, the power device directly outputs power in a mode of fixedly connecting the output shaft with the blade, the installation and the use are more convenient, however, the power output mode is too direct in the actual use process, when the blade is impacted on a hard object or a large amount of sundries are wound on the blade, easily causing damage to the power plant, on the other hand the rotational speed of the blade and the rotational speed of the engine are the same, when the blades are on the dense grassland, the rotating speed of the engine is reduced, the rotating speed of the blades is reduced, the rotating speed of the engine is reduced, the output power is reduced, the engine is often powered and flameout, the use is inconvenient, and the prior art has the improvement.

Disclosure of Invention

The cross-shaped transmission type mower is more reliable in use, and aims to solve the problems that the power device on the mower directly outputs power to the blade through the output shaft, and the power device is easily damaged and insufficient in power in the cutting process in the dense grasslands.

The utility model aims to be realized by the following technical scheme: a cross transmission type mower is characterized in that a housing and a rotating shaft are rotatably arranged at the center of the housing, two ends of the rotating shaft are respectively positioned on the inner side and the outer side of the housing, one end of the rotating shaft, which is positioned on the inner side of the housing, is a lower end, the lower end of the rotating shaft is fixedly provided with a blade, the upper end of the housing is fixedly provided with a power device for driving the rotating shaft to rotate, the power device is provided with an output shaft, the upper end of the rotating shaft is fixedly provided with a first gear, a plane where the output shaft is positioned above a plane where the first gear is positioned, and one end of the output shaft, which faces the first gear, is fixedly provided with a second gear which is always meshed with the first gear.

Preferably, the first gear and the second gear are both bevel gears.

Preferably, the output shaft is located directly above the first gear, and an end of the output shaft remote from the power unit is located on a side remote from the power unit above the first gear, and the second gear is also located on a side remote from the power unit above the first gear.

Preferably, the housing is provided with a plurality of openings communicating between the inside and the outside of the housing.

Preferably, a base for mounting the rotating shaft and the output shaft is fixedly arranged at the upper end of the housing, the rotating shaft is inserted into the base along the vertical direction, and the output shaft is inserted into the base along the horizontal direction.

Preferably, a ring of snap rings for enclosing the bottom of the first gear is fixedly arranged in the base.

Compared with the prior art, the rotary shaft and the output shaft are arranged in a cross manner for transmission, the power of the power device is transmitted through the second gear and the second gear which are always meshed, when the blade directly impacts on a hard object, the resistance is directly transmitted to the joint of the first gear and the second gear, the first gear and the second gear are damaged due to larger resistance, the power device is protected from being damaged, the power is transmitted through the first gear and the second gear which are meshed with each other, the torque is adjusted by adjusting the gear ratio of the first gear and the second gear, and under the same power device, the blade has larger torque and the cutting efficiency is higher.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a cut-away view at the first and second gears;

fig. 3 is an enlarged view of a portion a in fig. 2.

The labels in the figure are: 1. a housing; 2. a rotating shaft; 3. a blade; 4. a power plant; 5. an output shaft; 6. a first gear; 7. a second gear; 8. an opening; 9. a base; 10. a snap ring.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings to which: as shown in fig. 1-3, a cross-drive mower includes a housing 1 and a rotating shaft 2 rotatably disposed at the center of the housing 1, wherein two ends of the rotating shaft 2 are respectively located at the inner side and the outer side of the housing 1, one end of the rotating shaft 2 located at the inner side of the housing 1 is a lower end, a blade 3 is fixedly disposed at the lower end of the rotating shaft 2, a power device 4 for driving the rotating shaft 2 to rotate is fixedly disposed at the upper end of the housing 1, an output shaft 5 is disposed on the power device 4, a first gear 6 is fixedly disposed at the upper end of the rotating shaft 2, a plane where the output shaft 5 is located above a plane where the first gear 6 is located, and a second gear 7 which is always engaged with the first gear 6 is fixedly disposed at one end of the output shaft 5 facing the first gear 6. The first gear 6 and the second gear 7 are bevel gears. The cover 1 is provided with a plurality of openings 8 which are communicated with the inner side and the outer side of the cover 1.

Through carrying out the cross with pivot 2 and output shaft 5 and placing and carrying out the transmission, power of power device 4 transmits through second gear 7 and second gear 7 that mesh all the time, when blade 3 directly strikes on hard object, the resistance directly transmits to the junction of first gear 6 and second gear 7, great resistance results in the damage of first gear 6 and second gear 7, protect the damage of avoiding power device 4 to power device 4 simultaneously, and transmit power through intermeshing's first gear 6 and second gear 7, through adjusting the tooth ratio of first gear 6 and second gear 7, adjust the moment of torsion, under same power device 4, make blade 3 have bigger moment of torsion, the efficiency is higher during cutting.

The output shaft 5 is located right above the first gear 6, and one end of the output shaft 5, which is far away from the power device 4, is located on one side, which is far away from the power device 4, above the first gear 6, and the second gear 7 is also located on one side, which is far away from the power device 4, above the first gear 6. The second gear 7 and the power device 4 which are respectively positioned at the two output sides are respectively positioned at the two sides above the first gear 6, so that the overall size of the equipment is greatly reduced, and the operation is more convenient.

The upper end of the housing 1 is fixedly provided with a base 9 for mounting the rotating shaft 2 and the output shaft 5, the rotating shaft 2 is inserted on the base 9 along the vertical direction, and the output shaft 5 is inserted on the base 9 along the horizontal direction. A ring of snap rings 10 for enclosing the bottom of the first gear 6 is fixedly arranged in the base 9. Through enclosing at the base 9 of pivot 2 and output shaft 5 periphery, protect fixedly setting up first gear 6 and second gear 7 on pivot 2 and output shaft 5 respectively, avoid outside granule to drop and cause the damage to first gear 6 and second gear 7 on this first gear 6 and second gear 7.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A cross transmission type mower is characterized in that a housing (1) and a rotating shaft (2) which is rotatably arranged at the center of the housing (1), the two ends of the rotating shaft (2) are respectively positioned at the inner side and the outer side of the housing (1), one end of the rotating shaft (2) positioned at the inner side of the housing (1) is a lower end, the lower end of the rotating shaft (2) is fixedly provided with a blade (3), the upper end of the housing (1) is fixedly provided with a power device (4) for driving the rotating shaft (2) to rotate, an output shaft (5) is arranged on the power device (4), a first gear (6) is fixedly arranged at the upper end of the rotating shaft (2), the plane on which the output shaft (5) is located above the plane on which the first gear (6) is located, one end of the output shaft (5) facing the first gear (6) is fixedly provided with a second gear (7) which is always meshed with the first gear (6).

2. A cross-drive lawnmower according to claim 1, wherein the first gear (6) and the second gear (7) are bevel gears.

3. A cross-drive mower as claimed in claim 1, wherein said output shaft (5) is located directly above said first gear (6), and wherein the end of said output shaft (5) remote from said power unit (4) is located above said first gear (6) on the side remote from said power unit (4), and said second gear (7) is also located above said first gear (6) on the side remote from said power unit (4).

4. A cross-drive mower according to claim 1, wherein the housing (1) is provided with a plurality of openings (8) communicating the inside and the outside of the housing (1).

5. A cross-drive mower according to claim 1, wherein a base (9) for mounting the rotary shaft (2) and the output shaft (5) is fixedly arranged at the upper end of the housing (1), the rotary shaft (2) is vertically inserted into the base (9), and the output shaft (5) is horizontally inserted into the base (9).

6. A cross-drive mower as claimed in claim 5, wherein a ring of snap rings (10) is fixedly arranged in said base (9) to enclose the bottom of said first gear (6).