Strip type grass mowing line

Abstract

The strip-type grass mowing line is characterized by comprising an integrally-formed strip-shaped main body, the main body comprises a head part for mounting and clamping and a working section part for mowing grass, and the outer periphery of the working section part is smaller than that of the head part; a plurality of notches used during mowing are formed in the working section part; the working section part is provided with one or more edges, and the notches are arranged on the edges. Through successful injection molding, the production cost and the equipment dependence are reduced, the production universality is improved, and the use convenience is improved while the structure is optimized due to the integrated strip-shaped design and the design that the edge of the working section is provided with the notch.

Description

Technical Field

[0001] This utility model relates to a grass trimming line, specifically a strip-type grass trimming line. Background Technology

[0002] Grass trimming line, also known as lawn mower or grass trimming rope, is a consumable accessory for garden machinery such as lawn mowers and lawn trimmers. It is used to cut weeds or lawns by adjusting its rotation.

[0003] Therefore, hay trimming thread is made of abrasion-resistant fibers, especially nylon, through processes such as melting, spinning, and cooling. It requires specialized hay trimming equipment and is sold in rolls. Users simply cut the desired length from the roll as needed.

[0004] The above-mentioned mowing line clearly has the following shortcomings:

[0005] 1. High investment costs and lack of equipment versatility;

[0006] 2. The production process is complicated;

[0007] 3. The process of using it is cumbersome. Summary of the Invention

[0008] To address the aforementioned shortcomings, the present invention aims to provide a strip-shaped grass trimming line that is integrally molded, replaceable, and usable.

[0009] The technical solution to the problem that this utility model aims to solve is as follows:

[0010] A strip-shaped mowing line is characterized by comprising an integrally formed strip-shaped body, the body including a head for mounting and locking, and a working section for mowing, the outer perimeter of the working section being smaller than the outer perimeter of the head; and the working section having several notches for mowing.

[0011] Preferably, the working section has one or more edges, with notches arranged on the edges.

[0012] Preferably, a neck section is provided between the head and the working section, and the neck section is connected to the head with a chamfer or rounded transition, and the neck section has no notch and is directly connected to the working section.

[0013] Preferably, the working section is cylindrical, and the distance between the notches is less than the width of one notch, so that the section of the working section where the distance between the notches is located forms a serrated shape.

[0014] Preferably, the outer periphery of the working section is quadrilateral, and the notches are staggered and arranged on the four edges of the quadrilateral.

[0015] Preferably, the edges of the working section are arranged in an intermittent or rotating manner.

[0016] The beneficial effects of this utility model are as follows:

[0017] Compared with existing technologies, this utility model can be injection molded using the most basic injection molding process, which can successfully reduce production costs and equipment dependence, improve production versatility, and the one-piece strip design and the addition of notches in the working section can increase its cutting ability, while improving ease of use while optimizing the structure. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a partial enlarged view of the working section described in this utility model;

[0021] Figure 3 This is a diagram of an embodiment of the present invention. Detailed Implementation

[0022] The following embodiments are provided merely to illustrate the technical solutions of the present invention more clearly, i.e., to provide a thorough understanding of the invention. However, those skilled in the art will recognize that the invention can be practiced without one or more of these details. In these examples, some technical features well-known in the art have not been described to avoid confusion with the present invention.

[0023] It should be understood that the present invention can be implemented in different forms and should not be construed as being limited to the embodiments set forth herein. Therefore, these are merely examples and should not be used to limit the scope of protection of the present invention.

[0024] Additionally, it should be noted that, unless otherwise stated, the technical or scientific terms used in this application should have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.

[0025] See Figures 1 to 3 A strip-shaped mowing line includes an integrally formed strip-shaped body, the body including a head 1 for mounting and locking, and a working section 2 for mowing, the outer perimeter of the working section 2 being smaller than the outer perimeter of the head 1; and several notches 3 for mowing are provided on the working section 2.

[0026] During implementation, we chose injection molding for the one-piece molding process. Compared to other production processes, injection molding is lower in cost and faster, and making the strip-shaped grass cutting line entirely into an upper and lower mold structure can extend the mold's lifespan. Of course, in addition to injection molding, there are also rotational molding, blow molding, and other processes. Additionally, ultrasonic welding can be used to finally form the strip-shaped grass cutting line into a single piece.

[0027] The produced mowing line has a locking head 1, which is mainly used for quick installation with the drive head of the mowing machine and is limited or fixed by the drive head A. The working section 2 is passed through the hole provided by the drive head A. Because the outer circumference of the head 1 is larger than that of the working section 2, the head 1 is locked in the hole of the drive head A. The distance between the side walls on both sides of the hole is equivalent to that of the head 1. This not only limits the movement but also prevents the head 1 from shaking, ensuring the stability of the installation. In addition, because the implementation method is injection molding, the large head makes it less likely for the whole to break when it is ejected from the head 1 or the connection between the head 1 and the working section 2 by the ejector pin during demolding.

[0028] In addition, during implementation, the head 1 is rectangular, such as square, oblong, or hexagonal, to prevent it from falling off during installation. The notches of the working section 2 can be serrated, arc-shaped, hemispherical, or square. This enhances weeding efficiency through centrifugal rotation, and the notch layout disperses the stress on the object being cut, preventing excessive local wear. The multi-segment cutting surface, with its large opening and small details, improves weed coverage. Moreover, during high-speed rotation, the notch edges generate a vortex effect, which can enhance the secondary cutting effect of the grass clippings; the edge structure maintains stable extension through centrifugal force, preventing possible curling.

[0029] In subsequent designs, the notch 3 can be set to different sizes, that is, when multiple notches are set on the working section 2, they can exist in different sizes.

[0030] Furthermore, as an improvement to this utility model, the working section 2 has one or more edges 4, with notches 3 arranged on the edges 4.

[0031] During implementation, the edge design, combined with the notch, forms a further cut, enhancing cutting capability. In addition, in some configurations, the notch 3 can penetrate through two edges 4. For example, if the cross-section of the working section 2 is a combination of a circle and a quadrilateral, only the two edges of the quadrilateral are exposed on one side, and the notch 3 can penetrate from one side of one edge to the other side of the other edge.

[0032] Furthermore, as an improvement to this utility model, a neck section 5 is provided between the head 1 and the working section 2. The neck section 5 is connected to the head 1 with a chamfer or rounded transition, and the neck section 5 has no notch and is directly connected to the working section 2.

[0033] In this embodiment, the neck section connects the head and the working section, and the chamfered or rounded transition reduces stress concentration and avoids the risk of breakage. The no-notch design enhances torsional strength to prevent breakage during installation and use.

[0034] Furthermore, as an improvement to this utility model, the working section 2 is cylindrical, and the distance between the notches 3 is less than the width of one notch 3, so that the section body of the working section where the distance between the notches 3 is located forms a sawtooth.

[0035] In this embodiment, by utilizing the serrations formed by the segments of the working section 2 where the gaps 3 are located, a strong cutting force range can be formed within the range of motion of the working section 2 of the strip-type grass cutting line when the drive head A rotates.

[0036] Furthermore, as an improvement to this utility model, the outer periphery of the working section 2 is quadrilateral, and the notch 3 is staggered on the four edges of the quadrilateral.

[0037] In this embodiment, the staggered arrangement of the notch 3 essentially adds more cutting area to the limited neck segment 2, which can increase mowing efficiency.

[0038] Furthermore, as an improvement to this utility model, the edges of the working section 2 are arranged in an intermittent manner or in a rotational manner.

[0039] In this embodiment, the edges of the working section 2 can be spiral-shaped, or the edges can be spaced out by alternating a section of triangular cross-section and a section of quadrilateral cross-section, which is also to increase mowing efficiency.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. A string trimmer characterized by: The utility model relates to a lawn mower, which comprises a strip-shaped main body formed integrally, the main body comprising a head part for mounting and locking, and a working section part for mowing grass, the outer periphery of the working section part being smaller than that of the head part, and a plurality of notches for mowing grass being arranged on the working section part.

2. The line according to claim 1, characterized in that: The working section part has one or more edges, and the notches are arranged on the edges.

3. The line according to claim 1, characterized in that: A neck section part is further arranged between the head part and the working section part, the neck section part being connected to the head part through a chamfer or a fillet, and the neck section part being free of notches and being directly connected to the working section part.

4. The line according to claim 1, characterized in that: The working section part is cylindrical, the spacing between the notches is less than the width of one notch, and the section part of the working section part at the spacing between the notches forms a sawtooth.

5. The line according to claim 1 or 2, characterized in that: The outer periphery of the working section part is quadrilateral, and the notches are arranged in staggered form on the four edges of the quadrilateral.

6. The line according to claim 1, characterized in that: The edges of the working section part are arranged in a spaced form or a rotating manner.

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