CN218868714U

CN218868714U - Weed trimmer

Info

Publication number: CN218868714U
Application number: CN202223026049.3U
Authority: CN
Inventors: 梁科鑫
Original assignee: Jinhua Hexing Landscape Engineering Co ltd
Current assignee: Xu Yongsheng
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-04-18
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a weeds trimming machine, including being used for supporting the casing device who removes and guide the grass bits direction of scattering, the casing device top is provided with the elevating gear who is used for adjusting weeds pruning height, be provided with the grass cutting device who is used for the antiport to cut weeds and prevents the grass bits dispersion in the middle of the elevating gear, the grass cutting device top is provided with the power device of the positive and negative two direction kinetic energy of transmission. The weed trimmer has the advantages that through the design of the cutters which rotate forwards and backwards, the grass scraps are gathered in the middle by matching with the baffle which is wide in the front and narrow in the back, so that the weed trimmer is convenient to clean, and the baffle can prevent the cutters from cutting and hurting people; the design that one motor drives the two cutters to rotate oppositely saves power resources and reduces cost; through the design that the lead screw drives the cutter to lift, the mowing height can be quickly adjusted, and the mowing machine can be used for trimming different requirements.

Description

Weed trimmer

Technical Field

The utility model belongs to gardens weeds pruning field especially relates to a weeds trimming machine.

Background

The garden field needs to plant grass seeds on green positions such as lawns, forests and flower beds, so that the environmental greening is more coordinated, the lawns play a role in setoff other plants in gardens, the whole landscape is more natural, the grass seeds need to be regularly trimmed after being planted, and the whole appearance is more regular and tidy.

Compared with the Chinese patent with the application number of CN202121983889.1, the weed trimmer for garden greening comprises a sleeve, wherein a supporting part is supported in the sleeve, a moving wheel is arranged at the lower end of the supporting part, a sleeve is rotatably connected to the supporting part in the sleeve, a blade is fixed on the sleeve, a penetrating rod is vertically inserted into the sleeve, and the end part of the penetrating rod is connected with a driving part; the supporting part comprises a connecting ring, a limiting rod, a fixing frame and a connecting frame, and the fixing frame is fixed with the connecting ring through the connecting frame; the inner wall of the sleeve is provided with a groove, a sliding rod is fixed in the groove, and the fixing frame slides on the sliding rod in a limiting mode.

The disadvantages of the above patents are: the single cutter is adopted to cut weeds, the cutter which does not rotate forwards or backwards is matched with the baffle with wide front and narrow back to gather the grass clippings in the middle, and the scattering range of the cut grass clippings is large, so that the grass clippings are not convenient to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a weeds trimming machine to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a weed trimmer comprises a shell device for supporting and moving and guiding the scattering direction of grass clippings, wherein a lifting device for adjusting the height of the grass clippings is arranged at the top of the shell device, a grass cutting device for cutting weeds in a reverse rotation manner to prevent the grass clippings from being scattered is arranged in the middle of the lifting device, and a power device for transmitting kinetic energy in the forward and reverse directions is arranged at the top of the grass cutting device; the mowing device comprises a lifting frame, two rotating shafts are symmetrically arranged on two sides of the lifting frame, a cutter is arranged at the bottom of each rotating shaft, and a driven gear is arranged at the top of each rotating shaft; the power device comprises a connecting frame, a second motor is installed on the connecting frame, a driving belt wheel is arranged at the bottom of the second motor, a driving gear is arranged at the bottom of the driving belt wheel, a driven belt wheel is arranged on one side of the driving belt wheel, and a belt is arranged between the driving belt wheel and the driven belt wheel.

Further: the shell device comprises a chassis, two baffle plates are symmetrically and fixedly arranged below the chassis, four wheels are symmetrically arranged at the bottom of the chassis, and handrails are fixedly arranged on the chassis.

Further: the lifting device comprises a support frame, a lead screw is rotatably arranged in the middle of the support frame, a first motor is installed at the top end of the lead screw, and a feed bar is arranged in front of the lead screw.

Further: the baffle is in an arc shape with a wide front part and a narrow back part.

Further, the method comprises the following steps: the lifting frame is made of 3A21 aluminum materials, and the rotating shaft is connected with the lifting frame through bearings.

Further: the driven belt wheel is connected with the rotating shaft through a bolt, and the connecting frame is welded with the lifting frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the design of the cutter rotating forwards and backwards, grass scraps are gathered in the middle by matching with the baffle with wide front and narrow back, so that the cleaning is convenient, and the baffle can prevent the cutter from cutting and hurting people;

2. the design that one motor drives the two cutters to rotate oppositely saves power resources and reduces cost;

3. through the design that the lead screw drives the cutter to lift, the mowing height can be quickly adjusted, and the mowing machine can be used for trimming different requirements.

Drawings

Fig. 1 is a schematic structural view of a weed trimmer according to the present invention;

fig. 2 is a schematic structural view of a housing arrangement of a weed trimmer according to the present invention;

fig. 3 is a schematic structural view of a lifting device of the weed trimmer according to the present invention;

fig. 4 is a schematic view of the grass cutting device of the weed trimmer according to the present invention;

fig. 5 is a schematic structural view of a power plant of the weed trimmer according to the present invention;

fig. 6 is an assembly view of the grass cutting device and the power device of the weed trimmer according to the present invention.

In the reference symbols: 1. a housing means; 101. a chassis; 102. a baffle plate; 103. a wheel; 104. a handrail; 2. a lifting device; 201. a support frame; 202. a lead screw; 203. a first motor; 204. a polished rod; 3. a mowing device; 301. a lifting frame; 302. a rotating shaft; 303. a cutter; 304. a driven gear; 4. a power plant; 401. a connecting frame; 402. a second motor; 403. a driving pulley; 404. a driving gear; 405. a driven pulley; 406. a belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a weed trimmer comprises a housing device 1 for supporting, moving and guiding the scattering direction of grass clippings, a lifting device 2 for adjusting the height of the grass clippings is arranged on the top of the housing device 1, a grass cutting device 3 for cutting weeds in a reverse rotation manner and preventing the grass clippings from dispersing is arranged in the middle of the lifting device 2, and a power device 4 for transmitting the kinetic energy in the forward and reverse directions is arranged on the top of the grass cutting device 3.

In this embodiment: the shell device 1 comprises a chassis 101, two baffle plates 102 are symmetrically and fixedly arranged below the chassis 101, four wheels 103 are symmetrically arranged at the bottom of the chassis 101, handrails 104 are fixedly arranged above the chassis 101, the baffle plates 102 are in an arc shape with a wide front part and a narrow back part, the handrails 104 are pushed to enable the wheels 103 to rotate to support the whole to move, and the flying grass clippings are further gathered together with the baffle plates 102 through the chassis 101 and are accumulated below the baffle plates 102, so that the cleaning is convenient;

in this embodiment: the lifting device 2 comprises a support frame 201, a lead screw 202 is rotatably arranged in the middle of the support frame 201, a first motor 203 is arranged at the top end of the lead screw 202, a feed bar 204 is arranged in front of the lead screw 202, and when the trimming height needs to be adjusted, the support frame 201 supports the first motor 203 to drive the lead screw 202 to rotate, so that the lifting frame 301 is driven to move up and down along the feed bar 204 to complete the adjustment of the height of the cutter 303;

in this embodiment: the mowing device 3 comprises a lifting frame 301, two rotating shafts 302 are symmetrically arranged on two sides of the lifting frame 301, cutters 303 are arranged at the bottoms of the rotating shafts 302, driven gears 304 are arranged at the tops of the rotating shafts 302, the lifting frame 301 is made of 3A21 aluminum materials, the rotating shafts 302 are in bearing connection with the lifting frame 301, the two cutters 303 rotate in the positive and negative directions, and front weeds are cut and grass clippings are gathered between the cutters 303 and then fly out backwards;

in this embodiment: the power device 4 comprises a connecting frame 401, a second motor 402 is installed on the connecting frame 401, a driving pulley 403 is arranged at the bottom of the second motor 402, a driving gear 404 is arranged at the bottom of the driving pulley 403, a driven pulley 405 is arranged on one side of the driving pulley 403, a belt 406 is arranged between the driving pulley 403 and the driven pulley 405, the driven pulley 405 is in bolt connection with the rotating shaft 302, the connecting frame 401 is welded with the lifting frame 301, the connecting frame 401 supports the second motor 402 to drive the driving pulley 403 and the driving gear 404 to rotate in the same direction, the driving pulley 403 drives the driven pulley 405 to rotate through the belt 406, the driven pulley 405 drives the cutter 303 to rotate in the forward direction through the rotating shaft 302 at the bottom, the driving gear 404 is meshed with the driven gear 304 to transmit reverse kinetic energy, and the driven gear 304 drives the cutter 303 to rotate in the reverse direction through the rotating shaft 302 at the bottom.

The working principle is as follows: the handrail 104 is pushed to enable the wheels 103 to rotate, the whole support moves, the connecting frame 401 supports the second motor 402 to drive the driving pulley 403 to rotate in the same direction as the driving gear 404, the driving pulley 403 drives the driven pulley 405 to rotate through the belt 406, the driven pulley 405 drives the cutters 303 to rotate in the forward direction through the bottom rotating shaft 302, the driving gear 404 is meshed with the driven gear 304 to transmit reverse kinetic energy, the driven gear 304 drives the cutters 303 to rotate in the reverse direction through the bottom rotating shaft 302, the two cutters 303 rotate in the forward and reverse directions, front weeds are cut, grass clippings are gathered between the cutters 303, the grass clippings fly out backwards, the flying grass clippings are further gathered with the baffle 102 through the chassis 101 and accumulated below the baffle 102, cleaning is convenient, when the trimming height needs to be adjusted, the support frame 201 supports the first motor 203 to drive the screw 202 to rotate, the lifting frame 301 is driven to move up and down along the optical bar 204, and up and down movement is achieved, and down adjustment of the heights of the cutters 303 is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A weed trimmer comprises a shell device (1) for supporting and moving and guiding the scattering direction of grass clippings, wherein a lifting device (2) for adjusting the trimming height of weeds is arranged at the top of the shell device (1), and the weed trimmer is characterized in that: a grass cutting device (3) used for cutting weeds in a reverse rotation mode and preventing grass scraps from dispersing is arranged in the middle of the lifting device (2), and a power device (4) used for transmitting kinetic energy in the forward direction and the reverse direction is arranged at the top of the grass cutting device (3);

the mowing device (3) comprises a lifting frame (301), two rotating shafts (302) are symmetrically arranged on two sides of the lifting frame (301), a cutter (303) is arranged at the bottom of each rotating shaft (302), and a driven gear (304) is arranged at the top of each rotating shaft (302);

the power device (4) comprises a connecting frame (401), a second motor (402) is installed on the connecting frame (401), a driving pulley (403) is arranged at the bottom of the second motor (402), a driving gear (404) is arranged at the bottom of the driving pulley (403), a driven pulley (405) is arranged on one side of the driving pulley (403), and a belt (406) is arranged between the driving pulley (403) and the driven pulley (405).

2. A weed trimmer according to claim 1, wherein: the shell device (1) comprises a chassis (101), two baffles (102) are symmetrically and fixedly arranged below the chassis (101), four wheels (103) are symmetrically arranged at the bottom of the chassis (101), and handrails (104) are fixedly arranged above the chassis (101).

3. A weed trimmer according to claim 1, wherein: the lifting device (2) comprises a support frame (201), a lead screw (202) is rotatably arranged in the middle of the support frame (201), a first motor (203) is installed at the top end of the lead screw (202), and a feed bar (204) is arranged in front of the lead screw (202).

4. A weed trimmer according to claim 2, wherein: the baffle (102) is in an arc shape with a wide front part and a narrow back part.

5. A weed trimmer according to claim 1, wherein: the lifting frame (301) is made of 3A21 aluminum materials, and the rotating shaft (302) is connected with the lifting frame (301) through bearings.

6. A weed trimmer according to claim 1, wherein: the driven pulley (405) is in bolted connection with the rotating shaft (302), and the connecting frame (401) is welded with the lifting frame (301).