CN213718843U

CN213718843U - Tea tree pruning machine

Info

Publication number: CN213718843U
Application number: CN202021397435.1U
Authority: CN
Inventors: 程周伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-07-20
Anticipated expiration: 2030-07-15

Abstract

The utility model belongs to the technical field of garden equipment, a tea tree trimmer is related to, including gasoline engine, gear box and cutting assembly, be provided with the drive mechanism of the vertical back and forth movement of drive cutting assembly in the gear box, tea tree trimmer still includes the connecting piece, be provided with gasoline engine drive pivoted bevel gear one in the connecting piece, the rear end of gear box is provided with the bevel gear two of being connected with drive mechanism, bevel gear one meshes the transmission with bevel gear two, the output shaft longitudinal distribution of gasoline engine. The utility model provides a tea tree trimmer, the output shaft longitudinal distribution of its gasoline engine, the during operation has better stability, makes the use of powerful gasoline engine possible.

Description

Tea tree pruning machine

Technical Field

The utility model belongs to the technical field of garden equipment, a tea tree trimmer is related to.

Background

Tea tree trimmers, also called hedge trimmers, are used for trimming tea trees, green belts or nurseries. The tea tree pruning machine mainly comprises a driving device, a reduction gear box, a cutting assembly and a handle assembly, wherein the driving device drives the cutting assembly to longitudinally move back and forth through the transmission of the reduction gear box to complete pruning. The traditional driving device adopts a gasoline engine, and the output shaft of the gasoline engine is vertically distributed and is directly in transmission connection with a reduction gear box. Its weak point lies in, when needing to use powerful gasoline engine, the overall arrangement mode poor stability of the vertical distribution of output shaft can cause bigger vibration, higher fault rate, more potential safety hazards, consequently is unfavorable for the work of gasoline engine.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a tea tree trimmer, the output shaft longitudinal distribution of its gasoline engine has better stability during operation, makes the use of powerful gasoline engine possible.

In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a tea tree trimmer, includes gasoline engine, gear box and cutting assembly, be provided with the drive mechanism of the vertical back and forth movement of drive cutting assembly in the gear box, tea tree trimmer still includes the connecting piece, be provided with gasoline engine drive pivoted bevel gear one in the connecting piece, the rear end of gear box is provided with bevel gear two of being connected with drive mechanism, bevel gear one and bevel gear two mesh transmission, the output shaft longitudinal distribution of gasoline engine.

The transmission mechanism adopts a common structure of a tea tree pruning machine, and comprises an eccentric gear driven by a power system, wherein the upper end and the lower end of the eccentric gear are respectively connected with an upper connecting rod and a lower connecting rod, and the upper connecting rod and the lower connecting rod respectively drive an upper blade and a lower blade to move back and forth.

The connecting piece is positioned above the gear box, the connecting piece is fixedly connected with the gear box through a fastening piece, the fastening piece uses a fastening bolt, and a plurality of fastening pieces can be used according to the requirement.

The second bevel gear is vertically arranged outside the gear box shell, an accommodating cavity for accommodating the second bevel gear is formed in the connecting piece, the first bevel gear is longitudinally arranged, and the tooth surface of the first bevel gear is located at the rear part of the accommodating cavity.

The rear end of the connecting piece is provided with a connecting portion connected with an output shaft of the gasoline engine, a first bearing seat is arranged in the connecting piece, a first bearing is arranged in the first bearing seat, the connecting portion is fixedly connected with a first bevel gear and is rotatably arranged in the first bearing, and the output shaft of the gasoline engine drives the connecting portion to drive the first bevel gear to rotate.

The gearbox shell is provided with a second bearing seat, a second bearing is arranged in the second bearing seat, and the second bevel gear is rotatably arranged in the second bearing.

And a rotating shaft is fixed at the axis of the second bevel gear, and a gear which is driven by the transmission mechanism is fixed at the lower end of the rotating shaft.

The accommodating cavity is internally provided with a solid lubricant.

And a spigot structure matched with each other is arranged between the lower end of the accommodating cavity and the gear box shell.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a set up the connecting piece and through the bevel gear transmission, changed the layout mode of gasoline engine output shaft, changed into vertical overall arrangement by traditional vertical overall arrangement, increased the stability of gasoline engine during operation, made the use of powerful gasoline engine possible.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the connector of the present invention;

FIG. 3 is a perspective view of the gear box of the present invention;

reference numerals: 1. a gear case; 2. a connecting member; 3. a first bevel gear; 4. a second bevel gear; 5. a fastener; 6. an accommodating chamber; 7. a connecting portion; 8. a first bearing seat; 9. a second bearing seat; 10. and rotating the shaft.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 3:

the utility model provides a tea tree trimmer, includes gasoline engine, gear box 1 and cutting assembly, be provided with the drive mechanism of the vertical back and forth movement of drive cutting assembly in the gear box 1, tea tree trimmer still includes connecting piece 2, be provided with gasoline engine drive pivoted bevel gear 3 in the connecting piece 2, the rear end of gear box 1 is provided with two 4 of bevel gear that are connected with drive mechanism, bevel gear 3 and two 4 meshing transmission of bevel gear, the output shaft longitudinal distribution of gasoline engine.

Referring to fig. 1, the connecting member 2 is located above the gear case 1, and the connecting member 2 is fastened to the gear case 1 by fasteners 5, the fasteners 5 are fastening bolts, and a plurality of fasteners, four fasteners in the embodiment, may be used according to the requirement.

Referring to fig. 2 and 3, the bevel gear II 4 is vertically arranged outside the housing of the gear box 1, an accommodating cavity 6 for accommodating the bevel gear II 4 is arranged in the connecting piece 2, the bevel gear I3 is longitudinally arranged, and the tooth surface of the bevel gear I is positioned at the rear part of the accommodating cavity 6. After installation, the bevel gear I3 and the bevel gear II 4 complete transmission in the accommodating cavity 6.

Referring to the attached drawing 2, the rear end of the connecting piece 2 is provided with a connecting part 7 connected with an output shaft of the gasoline engine, a first bearing seat 8 is arranged in the connecting piece 2, a first bearing is arranged in the first bearing seat 8, the connecting part 7 is fixedly connected with a first bevel gear 3 and is rotatably arranged in the first bearing, and the output shaft of the gasoline engine drives the connecting part 7 to drive the first bevel gear 3 to rotate.

Referring to fig. 3, a second bearing seat 9 is arranged on the housing of the gear case 1, a second bearing is arranged in the second bearing seat 9, and the second bevel gear 4 is rotatably arranged in the second bearing. A rotating shaft 10 is fixed at the axis of the second bevel gear 4, and a gear which is driven by the transmission mechanism is fixed at the lower end of the rotating shaft 10.

In order to reduce the friction force and the abrasion of the transmission of the bevel gear I3 and the bevel gear II 4, the accommodating cavity 6 is internally provided with a solid lubricant.

In order to make the gear box 1 and the connecting piece 2 better fit, a matched spigot structure is arranged between the lower end of the accommodating cavity 6 and the shell of the gear box 1.

The utility model discloses a working method is: the output shaft of the gasoline engine which is longitudinally distributed drives the bevel gear I3 to rotate, the bevel gear I3 drives the bevel gear II 4 to rotate, the power direction is converted into the vertical direction from the longitudinal direction, the bevel gear II 4 drives the rotating shaft 10 to rotate, and the rotating shaft 10 drives the cutting assembly to work through the transmission mechanism like the output shaft of the traditional gasoline engine.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a tea tree trimmer, includes gasoline engine, gear box (1) and cutting assembly, be provided with the drive mechanism of the vertical back and forth movement of drive cutting assembly in gear box (1), its characterized in that, tea tree trimmer still includes connecting piece (2), be provided with gasoline engine drive pivoted bevel gear (3) in connecting piece (2), the rear end of gear box (1) is provided with bevel gear two (4) of being connected with drive mechanism, bevel gear (3) and bevel gear two (4) meshing transmission, the output shaft longitudinal distribution of gasoline engine.

2. A tea tree pruning machine according to claim 1, wherein the connecting member (2) is located above the gear box (1), the connecting member (2) being fixedly connected to the gear box (1) by means of a fastener (5).

3. The tea tree pruning machine according to claim 2, wherein the second bevel gear (4) is vertically arranged outside the gear box (1) shell, a containing cavity (6) for containing the second bevel gear (4) is arranged in the connecting piece (2), and the first bevel gear (3) is longitudinally arranged and the tooth surface of the first bevel gear is positioned at the rear part of the containing cavity (6).

4. The tea tree pruning machine according to claim 3, wherein a connecting part (7) connected with an output shaft of a gasoline engine is arranged at the rear end of the connecting part (2), a first bearing seat (8) is arranged in the connecting part (2), a first bearing is arranged in the first bearing seat (8), and the connecting part (7) is fixedly connected with the first bevel gear (3) and is rotatably arranged in the first bearing.

5. The tea tree pruning machine according to claim 3, wherein a second bearing seat (9) is arranged on the gearbox (1) shell, a second bearing is arranged in the second bearing seat (9), and the second bevel gear (4) is rotatably arranged in the second bearing.

6. The tea tree pruning machine according to claim 5, wherein a rotating shaft (10) is fixed at the axis of the bevel gear II (4), and a gear which is driven by a transmission mechanism is fixed at the lower end of the rotating shaft (10).

7. A tea tree pruning machine according to claim 3, wherein a solid lubricant is provided within the receiving cavity (6).

8. A tea tree pruning machine according to claim 3, wherein a cooperating spigot arrangement is provided between the lower end of the receiving chamber (6) and the housing of the gearbox (1).