CN219514633U

CN219514633U - Portable grass cutter

Info

Publication number: CN219514633U
Application number: CN202320658201.5U
Authority: CN
Inventors: 李海杜
Original assignee: Shaanxi Xuanchen Huifeng Agricultural Technology Co ltd
Current assignee: Shaanxi Xuanchen Huifeng Agricultural Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-15
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a portable mowing knife, which belongs to the technical field of mowing knives and comprises a handle and a knife head, and is characterized in that: the lower end of the handle rod is rotationally connected with a knob, the upper surface of the knob is fixedly connected with a threaded rod, and an extension rod is inserted in the handle rod in a sliding manner. The telescopic rod has the beneficial effects that the angle of the cutter head can be adjusted by unscrewing the bolt, the knob at the lower end of the handle rod can rotate to drive the threaded rod to rotate, so that the extension rod which is in threaded connection with the outer wall of the knob can extend and retract along the inner cavity of the handle rod, the length of the cutter head can be adjusted, the use of the mower blade is more convenient, the length adjusting structure can effectively prevent external impurity soil from entering the interior of the handle rod, the extension and adjustment of the mower blade are easier, the service life of the mower blade is effectively prolonged, the cutter head can be contracted by the length of the mower blade, the cutter head can be rotated downwards to be attached to the outer surface of the handle rod, the upward potential safety hazard of the cutter head is avoided, and the mower blade is more convenient to carry.

Description

Portable grass cutter

Technical Field

The utility model relates to the technical field of mowing knives, in particular to a portable mowing knife.

Background

In mountain areas, pastures and the like, automatic tools cannot be applied due to the problems of geographical factors and the like in many cases, manual agricultural production work is also needed, and a sickle serving as a common agricultural tool plays a very important role in agricultural production.

The utility model provides a grass cutter among the prior art it is integrated structure generally, and this leads to the tool bit angle of grass cutter unable regulation, and the length of grass cutter is difficult for adjusting for the use of grass cutter is inconvenient enough, also is unfavorable for carrying to accomodate, and carries the in-process of accomodating, and the knife tip part of tool bit has the potential safety hazard, to above-mentioned condition, we have proposed a portable grass cutter.

Disclosure of Invention

The present utility model is directed to a portable mowing knife, which solves the above-mentioned problems in the prior art.

The technical scheme of the utility model is as follows:

including barre and tool bit, its characterized in that: the rotary knob is rotationally connected to the lower end of the handle rod, the threaded rod is fixedly connected to the upper surface of the rotary knob, the extension rod is inserted into the handle rod in a sliding mode, the lower end of the extension rod is in threaded connection with the threaded rod, an inner cavity is formed in the extension rod, the threaded rod penetrates through the bottom of the extension rod, the cutter head is rotationally connected to the upper end of the extension rod, and a bolt is fixedly connected between the extension rod and the cutter head.

Further, a groove is formed in the outer surface of the handle rod.

Further, an anti-skid groove is formed in the outer surface of the handle rod.

Further, the outer surface of the extension rod is fixedly provided with a limit bar, and the inner wall of the handle rod is provided with a limit groove in sliding fit with the limit bar.

Further, the inner opening of the handle rod is matched with the outer opening of the extension rod in size.

The utility model provides a portable mowing knife through improvement, which has the following improvements and advantages compared with the prior art:

the method comprises the following steps: according to the utility model, the angle of the cutter head can be adjusted by unscrewing the bolt, the knob at the lower end of the handle rod can rotate to drive the threaded rod to rotate, so that the extension rod in threaded connection with the outer wall of the extension rod stretches out and draws back along the inner cavity of the handle rod, the length of the cutter head is adjusted, the use of the mower blade is more convenient, the external impurity soil can be effectively prevented from entering the interior of the handle rod by the length adjusting structure, the telescopic adjustment of the mower blade is easier, the service life is effectively prolonged, the mower blade can be contracted in the process of accommodating and carrying, the cutter head is enabled to be downwards rotated to be attached to the outer surface of the handle rod, the upward potential safety hazard of the cutter head is avoided, and the mower blade is more convenient to carry.

And two,: according to the utility model, the groove is formed on the outer surface of the handle rod, and the cutter point of the cutter head can be positioned in the groove in the process of accommodating the cutter head, so that the carrying and accommodating safety of the mower cutter is improved, and the extension rod can slide along the limit groove on the inner wall of the handle rod through the limit strip in the process of adjusting the length through the threaded rod, so that the extension rod and the cutter head can not rotate in the telescopic process.

And thirdly,: according to the utility model, the anti-skid grooves are formed on the outer surface of the handle bars, so that the friction force of the hands of a person to grasp can be improved, the grasping firmness is ensured, the inner opening size of the two handle bars is matched with the outer opening size of the extension bar, the tightness of the two handle bars can be improved, and the invasion of external impurities is avoided.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the utility model for adjusting the length and angle states;

FIG. 3 is a schematic side view of a tool bit according to the present utility model;

FIG. 4 is a schematic view of a front view of the utility model in a folded condition;

fig. 5 is a schematic side view of the folded state of the utility model.

Reference numerals illustrate: 1. a handle bar; 2. a knob; 3. a threaded rod; 4. an extension rod; 5. an inner cavity; 6. a cutter head; 7. a bolt; 8. a groove; 9. an anti-skid groove; 10. and a limit strip.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 5, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to the portable mower disclosed by the utility model, as shown in the figures 1-5, the lower end of the handle bar 1 is rotationally connected with the knob 2, the upper surface of the knob 2 is fixedly connected with the threaded rod 3, the inside of the handle bar 1 is slidably inserted with the extension bar 4, the lower end of the extension bar 4 is in threaded connection with the threaded rod 3, the inside of the extension bar 4 is provided with the inner cavity 5, the threaded rod 3 penetrates through the bottom of the extension bar 4, the cutter head 6 is rotationally connected to the upper end of the extension bar 4, the bolt 7 is fixedly connected between the extension bar 4 and the cutter head 6, the cutter head 6 of the mower is fixed at the upper end of the extension bar 4 through the bolt 7, the cutter head 6 can be adjusted by unscrewing the bolt 7, and the knob 2 at the lower end of the handle bar 1 can rotate to drive the threaded rod 3, so that the extension bar 4 in threaded connection with the outer wall of the extension bar is telescopic along the inner cavity 5 of the handle bar 1, the length of the cutter head 6 is adjusted, the mower is more convenient to use, the length adjusting structure can effectively prevent external impurities from entering the inside the handle bar 1, the cutter head 6 is more convenient to adjust, the cutter head is more convenient to use, the mower can be carried by the cutter head is more conveniently, and the mower can be retracted and can be conveniently carried by the cutter head and can be retracted to the user and can be more conveniently and retracted to the outer surface.

As shown in fig. 5, the outer surface of the handle bar 1 is provided with a groove 8, so that the cutter tip position of the cutter head 6 can be positioned in the groove 8 in the process of accommodating the cutter head 6, thereby improving the carrying and accommodating safety of the mower.

The anti-skid groove 9 is arranged on the outer surface of the handle bar 1, so that the friction force of the hand grip of a person can be improved, and the grip firmness is ensured.

The extension rod 4 external surface fixed is provided with spacing 10, and the limiting groove with spacing 10 sliding fit is seted up to barre 1 inner wall, and extension rod 4 is at the in-process of adjusting length through threaded rod 3, and accessible spacing 10 slides along the limiting groove of barre 1 inner wall to guarantee extension rod 4 and tool bit 6 can not take place to rotate at flexible in-process.

The inner opening size of the rod 1 is matched with the outer opening size of the extension rod 4, so that the tightness of the rod and the extension rod can be improved, and the invasion of external impurities is avoided.

Working principle: firstly, accessible unscrew bolt 7 for tool bit 6 can angle regulation, and knob 2 accessible rotation of barre 1 lower extreme drives threaded rod 3 and rotates, thereby make its outer wall threaded connection's extension rod 4 stretch out and draw back along barre 1 inner chamber 5, and then adjust the length of tool bit 6, make the use of grass cutter more convenient, and this kind of length adjustment structure can effectively avoid external impurity earth to get into barre 1 inside, make its flexible regulation more light, life obtains effectively promoting, then grass cutter is taking in the in-process of carrying, accessible shrink length, and make its tool bit 6 rotate down to in the recess 8 of barre 1 surface, avoid the knife tip up to form the potential safety hazard, make it more convenient to carry.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a portable grass cutter, includes barre (1) and tool bit (6), its characterized in that: the utility model discloses a handle, including handle (1), tool bit (6), handle (1) lower extreme is rotated and is connected with knob (2), fixed surface is connected with threaded rod (3) on knob (2), inside slip grafting of handle (1) has extension rod (4), extension rod (4) lower extreme and threaded rod (3) threaded connection, inner chamber (5) have been seted up to extension rod (4) inside, threaded rod (3) run through extension rod (4) bottom, tool bit (6) rotate and connect in extension rod (4) upper end, fixedly connected with bolt (7) between extension rod (4) and tool bit (6).

2. A portable mower as claimed in claim 1, wherein: the outer surface of the handle bar (1) is provided with a groove (8).

3. A portable mower as claimed in claim 1, wherein: an anti-skid groove (9) is formed in the outer surface of the handle bar (1).

4. A portable mower as claimed in claim 1, wherein: the outer surface of the extension rod (4) is fixedly provided with a limit bar (10), and the inner wall of the handle rod (1) is provided with a limit groove which is in sliding fit with the limit bar (10).

5. A portable mower as claimed in claim 1, wherein: the inner opening of the handle bar (1) is matched with the outer opening of the extension bar (4).