Grass trimming rope limiting structure of grass trimming head
By designing a limiting structure with movable and limiting grooves on the grass trimmer head, the problems of large space occupation and inconvenient installation of the grass trimmer rope fixing structure are solved, achieving stable connection and safe use of the grass trimmer rope, and enhancing the ability to clear coarse grass and shrubs.
Patent Information
- Application Number
- CN202520608948.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
The existing grass trimmer rope fixing structure has the problems of taking up a lot of space and being inconvenient to install, especially the structure without a winding reel, which is more difficult to install.
A limiting structure for a grass trimmer head is designed, including a movable groove and a limiting groove. The connector head can be inserted into the mounting groove, slide in the movable groove, and enter the limiting groove. The limiting groove is used to lock the connector head when the grass trimmer head rotates, ensuring its positional stability and safety.
It achieves a stable connection of the grass-cutting rope, preventing it from coming loose, improving safety and stability in use, and enhancing the ability to clear coarse grass and shrubs.
Smart Images

Figure CN223943251U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of grass trimmers, in particular to a grass trimmer line limiting structure of a grass trimmer head. BACKGROUND
[0002] Traditional grass trimmers usually use one or more grass trimmer lines to perform lawn trimming tasks. These grass trimmer lines cut grass leaves through a rotating action, so their effectiveness and safety are crucial to the user experience.
[0003] Existing grass trimmer lines, such as the grass trimmer head and grass trimmer disclosed in Publication No. CN218868710U, often have the grass trimmer line wound around a winding disc to fix the grass trimmer line. This can make the structure of the grass trimmer line stable enough, but the winding disc undoubtedly increases the internal structure occupation and overall weight. Although there are grass trimmer heads on the market that are not connected to the winding disc, the installation structure is often cumbersome and lacks a quick installation structure. Therefore, how to solve the above problems is the purpose of the present application.
[0004] The above content is only used to assist in understanding the technical solutions of the present application and does not represent an acknowledgement that the above content is the closest prior art to the present application. SUMMARY
[0005] Based on this, the present application provides a grass trimmer line limiting structure of a grass trimmer head to solve one of the above technical problems.
[0006] The technical solution adopted by the present application to solve its technical problems is a grass trimmer line limiting structure of a grass trimmer head, comprising: a grass trimmer head shell and a grass trimmer line, an active slot is formed on the outer surface of the grass trimmer head shell, a connecting head is provided at the end of the grass trimmer line, one end of the active slot is provided with a mounting slot, and the other end is provided with a limiting slot, the limiting slot is formed on the inner side of the grass trimmer head, the connecting head can be inserted into the mounting slot, slide in the active slot and enter the limiting slot, and the limiting slot can clamp the connecting head when the grass trimmer head shell rotates.
[0007] In some embodiments, the connecting head includes a sliding part and a limiting part, the grass trimmer line is connected to one side of the sliding part, and the limiting part is provided on the other side of the sliding part.
[0008] In some embodiments, the diameter of the limiting part is greater than the diameter of the sliding part and less than the diameter of the mounting slot.
[0009] In some embodiments, a blade is mounted at the bottom of the grass trimmer head shell.
[0010] In some embodiments, a positioning slot is formed on the blade, and a positioning protrusion is formed at the bottom of the grass trimmer head shell to cooperate with the positioning slot.
[0011] In some embodiments, the blade is fixedly arranged at the bottom of the grass head by a flange nut.
[0012] In some embodiments, the movable slot comprises at least one bending part.
[0013] The beneficial effects of the present application are that the connecting head of the grass rope can pass through the mounting slot and be limited in position by the movable slot and the limiting slot, preventing the connecting head from coming out, and the limiting slot can always be clamped in the limiting slot under the influence of centrifugal force when the grass head shell is rotating, ensuring the safety and stability in use, and the blade arranged at the bottom of the grass head shell can assist the grass rope in cleaning shrubs or thick grass. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0015] Fig. 1 is a schematic view of the three-dimensional structure of the present application.
[0016] Fig. 2 is a schematic view of the bottom structure of the grass head shell of the present application.
[0017] Fig. 3 is a schematic view of the connecting structure of the connecting head of the present application.
[0018] Explanation of reference numerals: 1, grass head shell; 11, movable slot; 111, bending part; 12, mounting slot; 13, limiting slot; 14, positioning protrusion; 2, grass rope; 21, connecting head; 211, sliding part; 212, limiting part; 3, blade; 31, positioning slot; 32, flange nut. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that those skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection of the present application.
[0020] In the embodiments of the present application, please refer toFigs. 1-3 As shown in the drawings, the application provides a grass hitting head grass rope 2 limiting structure, mainly comprising: a grass hitting head shell 1 and a grass rope 2, the outer surface of the grass hitting head shell 1 is provided with a movable groove 11, the end of the grass rope 2 is provided with a connecting head 21, one end of the movable groove 11 is provided with a mounting groove 12, and the other end is provided with a limiting groove 13, the limiting groove 13 is opened on the inner side of the grass hitting head, and the connecting head 21 can be inserted into the mounting groove 12 and then slide in the movable groove 11 and enter the limiting groove 13, and the limiting groove 13 can clamp the connecting head 21 when the grass hitting head shell 1 rotates.
[0021] The connecting head 21 can be directly inserted into the inside of the grass hitting head shell 1 through the mounting groove 12, after being inserted into the mounting groove 12, along the path of the movable groove 11 into the limiting groove 13, at this time, the grass rope 2 will not be subjected to force other than the direction into the grass hitting head shell 1 and move, and when the grass hitting head shell 1 rotates, the centrifugal force can ensure that the connecting head 21 is only subjected to the force applied outward, which can effectively ensure that the connecting head 21 will not fall off in the limiting groove 13, ensuring the safety and stability during use.
[0022] Some preferred / modified embodiments based on the above embodiments will be described below, and the following embodiments can be selected or combined.
[0023] Referring to Fig. 3 As shown in the drawings, the connecting head 21 comprises a sliding part 211 and a limiting part 212, the grass rope 2 is connected to one side of the sliding part 211, and the limiting part 212 is arranged on the other side of the sliding part 211, the limiting part 212 is used to limit the position of the grass rope 2, and the sliding part 211 can ensure that the limiting part 212 can stably slide when the limiting part 212 is not completely clamped in the limiting groove 13.
[0024] Specifically, in order to make the limiting part 212 play a limiting role and ensure that it can be inserted into the mounting groove 12, the diameter of the limiting part 212 is greater than the diameter of the sliding part 211 and less than the diameter of the mounting groove 12.
[0025] Referring to Fig. 2 As shown in the drawings, in order to assist the grass rope 2 in cleaning coarse grass and shrubs, a blade 3 is mounted on the bottom of the grass hitting head shell 1.
[0026] As preferred, in order to prevent the blade 3 from slipping during rotation, a positioning groove 31 is opened on the blade 3, and a positioning protrusion 14 is formed on the bottom of the grass hitting head shell 1 and matched with the positioning groove 31.
[0027] Specifically, the blade 3 is fixedly arranged at the bottom of the grass head by the flange nut 32, which can prevent the blade 3 from loosening and dispersing the pressure of installing the blade 3, and has a certain vibration resistance.
[0028] Preferably, the movable slot 11 comprises at least one bending part 111, which can ensure that the grass head shell 1 is directly taken out from the limiting slot 13 and the movable slot 11 under partial failure operation, and ensures the stability of use.
[0029] So far, various embodiments of the present application have been described in detail. In order to avoid obscuring the concept of the present application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.
[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present application, and the foregoing embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can understand that the technical solutions described in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A line limiter for a line trimmer head, the line limiter comprising: The application relates to a grass cutting head shell and a grass cutting rope, wherein the outer surface of the grass cutting head shell is provided with a movable groove, the end of the grass cutting rope is provided with a connecting head, one end of the movable groove is provided with a mounting groove, and the other end is provided with a limiting groove; the limiting groove is arranged on the inner side of the grass cutting head; the connecting head can be inserted into the mounting groove, slide in the movable groove and enter the limiting groove; and the limiting groove can clamp the connecting head when the grass cutting head shell rotates. The connecting head comprises a sliding part and a limiting part; the grass cutting rope is connected to one side of the sliding part; and the limiting part is arranged on the other side of the sliding part.
2. The grass trimmer string limiting structure of the grass trimmer head according to claim 1, wherein The diameter of the limiting part is larger than that of the sliding part and smaller than that of the mounting groove.
3. The grass trimmer string limiting structure of the grass trimmer head according to claim 2, wherein A blade is arranged on the bottom of the grass cutting head shell.
4. The grass trimmer string limiting structure of the grass trimmer head according to claim 1, wherein A positioning groove is arranged on the blade; and a positioning convex part matched with the positioning groove is arranged on the bottom of the grass cutting head shell.
5. The grass trimmer string limiting structure of the grass trimmer head according to claim 4, wherein The blade is fixedly arranged on the bottom of the grass cutting head through a flange nut.
6. The grass trimmer string limiting structure of the grass trimmer head according to claim 4, wherein The movable groove comprises at least one bending part.
7. The grass trimmer string limiting structure of the grass trimmer head according to claim 1, wherein