CN219068917U

CN219068917U - Grass mowing machine

Info

Publication number: CN219068917U
Application number: CN202222801350.0U
Authority: CN
Inventors: 孔貌; 何振宇
Original assignee: Suzhou Yuyuan Machinery Co ltd
Current assignee: Suzhou Yuyuan Machinery Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-05-26
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to a grass trimmer in the technical field of grass trimmers, which comprises a power supply head and a grass trimming head, wherein the rear end of the power supply head is fixedly connected with a fixed sleeve rod, the inner side of the rear end of the fixed sleeve rod is slidingly provided with a movable rod, the rear end of the movable rod is fixedly connected with a connecting seat, and the connecting seat is rotationally connected to the inner side of the upper surface of the front end of the grass trimming head through a mounting shaft. Compared with the prior art, through fixed loop bar, movable rod and the connecting seat that sets up, this grass trimmer is convenient for in the use, realizes the adjustment of length between power supply head and the grass trimmer head through the sliding connection of fixed loop bar and movable rod, then realizes the adjustment of grass trimmer head angle through the connecting seat to the action bars that fixed loop bar and movable rod are constituteed can be more comfortable stable to the gripping of user, thereby has solved the fixed problem that influences operation safety of traditional grass trimmer action bars height and grass trimmer head angle.

Description

Grass mowing machine

Technical Field

The utility model relates to the technical field of grass mowers, in particular to a grass mowing machine.

Background

Grass cutters are used for cutting all hand-held tools for weeds in lawns, gardens, pastures and the like. The power source can be divided into oil power and electric power; the rear-mounted power grass trimmer comprises an operating rod, a grass trimming head, a driving part, a power supply part and a handle assembly, wherein the driving part is arranged at one end of the operating rod and is used for driving the grass trimming head to rotate; and the power supply part is arranged at the other end of the operating rod and is used for supplying power to the driving part.

The grass cutting machine comprises an operating rod, a grass cutting head and a driving part, wherein the driving part comprises a machine shell arranged at one end of the operating rod and a gear motor arranged in the machine shell and used for driving the grass cutting head to rotate; the power supply part is arranged at the other end of the operating rod and is used for supplying power for the gear motor; and the output shaft weed-preventing winding structure is used for preventing weeds from winding on the output shaft of the grass trimmer in the working process of the grass trimmer, so that the output shaft is blocked to stop rotating.

According to the technical scheme, in the implementation process, the height of the operating rod cannot be adjusted according to the height of a user, so that part of people cannot stably hold and use the grass trimmer, the use comfort of the user is affected, and even safety accidents caused by inconvenient holding can occur, so that the grass trimmer is provided.

Disclosure of Invention

Aiming at the problems, the utility model provides the grass trimmer, which has the advantages of conveniently and efficiently adjusting the length of the operating rod and the angle of the grass trimming head, so as to meet the use requirements of different applicable people and avoid safety accidents caused by overlong operating rod.

The technical scheme of the utility model is as follows:

the utility model provides a grass cutting machine, includes power supply head and grass cutting head, the rear end fixedly connected with fixed loop bar of power supply head, the rear end inner slide of fixed loop bar installs the movable rod, the rear end fixedly connected with connecting seat of movable rod, the connecting seat rotates the upper surface inboard of connecting in grass cutting head front end through the installation axle, the both ends of installation axle respectively with grass cutting head fixed connection, the both ends outside of installation axle rotates with the connecting seat through the bearing respectively and is connected, the middle part outside fixedly connected with of installation axle rotates the gear of connecting in the connecting seat inboard, the front end of gear is equipped with chucking subassembly, the upper surface inboard screw thread of fixed loop bar rear end runs through there is a bolt.

In further technical scheme, the rear end outside sliding mounting of movable rod has the movable seat, the both sides of movable seat rotate respectively and are connected with the connecting plate, two rotate between the connecting plate bottom and be connected with the mount pad, the inboard sliding connection of mount pad has the movable block, the lower fixed surface of movable block is connected with the movable base, the gyro wheel is installed through the connecting axle rotation respectively to the front and back both ends inboard of movable base, the one end surface screw thread that the mount pad was kept away from to the connecting plate runs through has No. two bolts, the front surface screw thread of mount pad bottom runs through has No. three bolts.

In further technical scheme, the chucking subassembly includes slidable mounting in the inboard cardboard of connecting seat front end, the upper and lower both ends of cardboard are respectively through spring and connecting seat front end inner wall fixed connection, the rear surface fixedly connected with of cardboard and the latch of gear looks adaptation.

In further technical scheme, the front end inboard of connecting seat runs through the transfer line with cardboard front surface fixed connection, the front end of transfer line runs through in the rear end inboard of movable rod, the front surface fixed connection of transfer line has the sliding block, the opening of running through the movable rod has been seted up at the middle part of movable rod, the both ends of sliding block run through open-ended both ends respectively and fixedly connected with slip cup joint in the first sliding sleeve in the movable rod outside, the top inboard screw thread of first sliding sleeve runs through has No. four bolts.

In a further technical scheme, the upper end and the lower end inside the rear end of the movable rod are respectively fixedly connected with a baffle, and the upper surface and the lower surface of the sliding block are respectively attached to the surfaces of one side opposite to the two baffles.

In a further technical scheme, the front surface fixedly connected with connecting rod at movable seat top, the front end fixedly connected with cover of connecting rod is located the second sliding sleeve in the movable rod outside, no. two sliding sleeve's top screw thread runs through has No. five bolts.

In a further technical scheme, the upper and lower ends of the rear surface of the connecting seat are respectively provided with a circular through hole.

The beneficial effects of the utility model are as follows:

1. compared with the prior art, through fixed loop bar, movable rod and the connecting seat that sets up, this grass trimmer is convenient for in the use, realizes the adjustment of length between power supply head and the grass trimmer head through the sliding connection of fixed loop bar and movable rod, then realizes the adjustment of grass trimmer head angle through the connecting seat to the action bars that fixed loop bar and movable rod are constituteed can be more comfortable stable to the gripping of user, thereby has solved the fixed problem that influences operation safety of traditional grass trimmer action bars height and grass trimmer head angle.

2. Compared with the prior art, through the movable seat, mount pad and the movable base that set up, this grass trimmer of being convenient for is in the use, through the position of removal adjustment movable seat, then moves the movable base downwards through the mount pad for the movable base passes through two gyro wheels to be supported subaerial, thereby plays the effect of support, avoids long-time holding the burden that increases the user, and can also promote availability factor.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a securing loop according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a movable bar in partial cross-section according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a connector according to an embodiment of the present utility model;

fig. 5 is a schematic sectional view of a mounting base according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a power supply head; 2. grass cutting head; 3. fixing the loop bar; 4. a movable rod; 5. a connecting seat; 6. a first sliding sleeve; 7. a movable base; 8. a connecting rod; 9. a second sliding sleeve; 10. an opening; 11. a sliding block; 12. a partition plate; 13. a transmission rod; 14. a mounting shaft; 15. a gear; 16. a clamping plate; 17. a spring; 18. a movable block; 19. a roller; 20. a connecting plate; 21. a movable seat; 22. and (5) a mounting seat.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples:

as shown in fig. 1-5, a grass trimmer, including power supply head 1 and grass-cutting head 2, the rear end fixedly connected with fixed loop bar 3 of power supply head 1, movable rod 4 is installed to the rear end internal side sliding of fixed loop bar 3, so that the adjustment fixed loop bar 3 and movable rod 4 constitute the action bars length, movable rod 4's rear end fixedly connected with connecting seat 5, connecting seat 5 is through the upper surface inboard of installation axle 14 rotation connection in grass-cutting head 2 front end, in order to be convenient for adjust fixed loop bar 3's operational angle through connecting seat 5, the both ends of installation axle 14 are respectively with grass-cutting head 2 fixed connection, the both ends outside of installation axle 14 is respectively through bearing and connecting seat 5 rotation connection, realized the rotation connection of connecting seat 5 and grass-cutting head 2, the middle part outside fixedly connected with the gear 15 of connecting seat 5 inboard, the inboard slidable mounting of connecting seat 5 front end 16 has cardboard 16, the upper and lower both ends respectively through spring 17 and connecting seat 5 front end inner wall fixed connection, can drive cardboard 16 through spring 17 to the back movement, and through the fixed block 13 of the fixed connection of connecting seat 13 through the fixed transmission rod 13 of fixed through the fixed face 13 of fixed connection of connecting seat 13 of fixed transmission rod 13 through the fixed surface of fixed connection of fixed gear 13 with the fixed end 13 of the fixed transmission rod 13 of the front end through the fixed connection of the front end of connecting rod 4 of the fixed connection piece 13 of gear 13, the fixed connection of the front end 13 through the fixed connection of the fixed connection piece 13, two ends of the sliding block 11 respectively penetrate through two ends of the opening 10 and are fixedly connected with a first sliding sleeve 6 which is sleeved on the outer side of the movable rod 4 in a sliding manner, a fourth bolt penetrates through the inner thread of the top end of the first sliding sleeve 6, and the clamping plate 16 can be controlled to move and be fixed in the connecting seat 5 through the first sliding sleeve 6 and the fourth bolt.

The working principle of the technical scheme is as follows:

firstly, the movable rod 4 is pulled backwards according to the requirement of a user, after the length is proper, the first bolt is rotated to fix the length between the fixed sleeve rod 3 and the movable rod 4, then the first sliding sleeve 6 is moved forwards, the first sliding sleeve 6 drives the transmission rod 13 through the sliding block 11, the transmission rod 13 is separated from the engagement of the clamping teeth and the gear 15 through the clamping plate 16, at the moment, the fixed sleeve rod 3 can be rotated to drive the movable rod 4, the movable rod 4 is connected with the connecting seat 5 and the mounting shaft 14 in a rotating way to realize the angle adjustment, at the moment, the first sliding sleeve 6 can be loosened, the clamping plate 16 is reset under the elastic action of the spring 17 to realize the clamping connection, and finally, the fourth bolt on the first sliding sleeve 6 is rotated to realize the fixation of the engagement of the gear 15 and the clamping teeth, so that the angle adjustment of the grass cutting head 2 at the rear end of the movable rod 4 is realized, the holding and the operation of the grass cutting machine can be more conveniently and comfortably carried out by a user, and the use safety of the grass cutting machine is improved.

In another embodiment, as shown in fig. 5, the outer side of the rear end of the movable rod 4 is slidably provided with a movable seat 21, two sides of the movable seat 21 are respectively rotatably connected with a connecting plate 20, a mounting seat 22 is rotatably connected between the bottoms of the two connecting plates 20 so as to facilitate the adjustment of the angle of the mounting seat 22, the inner side of the mounting seat 22 is slidably connected with a movable block 18, the lower surface of the movable block 18 is fixedly connected with a movable base 7 so as to facilitate the height adjustment of the movable base 7, the inner sides of the front end and the rear end of the movable base 7 are respectively rotatably provided with a roller 19 through connecting shafts so as to roll on the ground, one end surface threads of the connecting plate 20 far away from the mounting seat 22 penetrate through a second bolt so as to realize the fixation after the angle adjustment of the mounting seat 22, the front surface threads at the bottom of the mounting seat 22 penetrate through a third bolt so as to realize the fixation after the height adjustment of the movable base 7, the front surface at the top of the movable seat 21 is fixedly connected with a connecting rod 8, the front end of the connecting rod 8 is fixedly connected with a second sliding sleeve 9 sleeved outside the movable base 4, the threads of the second sliding sleeve penetrate through a fifth bolt, and the top end of the second sliding sleeve 9 can more conveniently drive the movable seat 21 to adjust the position.

After the angle of grass-mowing head 2 and the length adjustment of the operating rod are completed, the third bolt can be rotated according to the demands of users so as to adjust the angle of installation seat 22, then the second sliding sleeve 9 drives the connecting rod 8 to move the movable seat 21, the infantry realizes the adjustment of the position of installation seat 22 through the fifth bolt, finally the movable base 7 is moved downwards, the movable base 7 is fixed at the bottom end position of installation seat 22 through the fourth bolt, so that the movable rod 4 can be supported by two rollers 19 on the movable base 7, the manual handheld burden is reduced, and the working efficiency is improved.

In another embodiment, as shown in fig. 3, the upper and lower ends inside the rear end of the movable rod 4 are respectively and fixedly connected with a partition plate 12, the upper and lower surfaces of the sliding block 11 are respectively attached to the opposite side surfaces of the two partition plates 12, and the upper and lower ends of the rear surface of the connecting seat 5 are respectively provided with a circular through hole.

The power supply line on the power supply head 1 is plugged into the connecting seat 5 through two spaces separated by the two partition boards 12, and then is connected with the grass cutting head 2 through the circular through hole on the connecting seat 5, so that the electric connection of the power supply head 1 and the grass cutting head 2 is not influenced by the movable rod 4 and the connecting seat 5.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a grass trimmer, includes power supply head (1) and grass trimmer (2), its characterized in that: the utility model discloses a grass-mowing machine, including power supply head (1), fixed loop bar (3) of rear end fixedly connected with, fixed loop bar (3)'s rear end inside slip installs movable rod (4), the rear end fixedly connected with connecting seat (5) of movable rod (4), connecting seat (5) rotate through installation axle (14) and connect in the upper surface inboard of grass-mowing head (2) front end, the both ends of installation axle (14) respectively with grass-mowing head (2) fixed connection, the both ends outside of installation axle (14) are connected with connecting seat (5) rotation through the bearing respectively, the middle part outside fixedly connected with of installation axle (14) rotates gear (15) of connecting in connecting seat (5) inboard, the front end of gear (15) is equipped with chucking subassembly, the screw thread runs through the upper surface inboard of fixed loop bar (3) rear end has a bolt.

2. A lawnmower as claimed in claim 1, wherein: the rear end outside sliding of movable rod (4) is installed movable seat (21), the both sides of movable seat (21) rotate respectively and are connected with connecting plate (20), two rotate between connecting plate (20) bottom and be connected with mount pad (22), the inboard sliding connection of mount pad (22) has movable block (18), the lower fixed surface of movable block (18) is connected with movable base (7), the gyro wheel (19) are installed through the connecting axle rotation respectively to the front and back both ends inboard of movable base (7), the one end surface screw thread that connecting plate (20) kept away from mount pad (22) runs through and has No. two bolts, the front surface screw thread of mount pad (22) bottom runs through and has No. three bolts.

3. A lawnmower as claimed in claim 1, wherein: the clamping assembly comprises a clamping plate (16) which is slidably mounted on the inner side of the front end of the connecting seat (5), the upper end and the lower end of the clamping plate (16) are fixedly connected with the inner wall of the front end of the connecting seat (5) through springs (17) respectively, and the rear surface of the clamping plate (16) is fixedly connected with clamping teeth matched with the gear (15).

4. A lawnmower as claimed in claim 1, wherein: the front end inboard of connecting seat (5) runs through have with cardboard (16) front surface fixed connection's transfer line (13), the front end of transfer line (13) runs through in the rear end inboard of movable rod (4), the front surface fixed connection of transfer line (13) has sliding block (11), opening (10) that run through movable rod (4) have been seted up at the middle part of movable rod (4), the both ends of sliding block (11) respectively run through the both ends of opening (10) and fixedly connected with slip cup joint in sliding sleeve (6) in the first outside of movable rod (4), the top inboard screw thread of sliding sleeve (6) runs through and has No. four bolts.

5. A lawnmower as claimed in claim 4, wherein: the upper end and the lower end inside the rear end of the movable rod (4) are respectively fixedly connected with a partition plate (12), and the upper surface and the lower surface of the sliding block (11) are respectively attached to the surfaces of one side opposite to the two partition plates (12).

6. A lawnmower as claimed in claim 2, wherein: the front surface fixedly connected with connecting rod (8) at movable seat (21) top, the front end fixedly connected with cover of connecting rod (8) is located No. two sliding sleeve (9) in movable rod (4) outside, no. two sliding sleeve (9)'s top screw thread runs through has No. five bolts.

7. A lawnmower as claimed in claim 1, wherein: round through holes are respectively formed in the upper end and the lower end of the rear surface of the connecting seat (5).