Quick mounting structure for protective cover of grass trimmer

Abstract

In order to solve the problem that in the prior art, a protective cover is complex to disassemble and assemble, the utility model provides a grass trimmer protective cover quick-assembly structure which comprises a shell and a protective cover. A positioning column and more than one connecting block are arranged on the shell; the protective cover is provided with a first groove and more than one connecting groove, the positioning column corresponds to the first groove, and the connecting block corresponds to the connecting groove; and the connecting screw penetrates through the first groove and is connected with the positioning column. When the shell and the protective cover are assembled, firstly, the shell positioning column is placed in the first groove, at the moment, the connecting block also falls into the connecting groove, then position fine adjustment is carried out, and the first groove and the positioning column are firmly connected together through the connecting screw. When disassembly is needed, only one screw needs to be disassembled, and the shell and the protective cover can be easily separated. By means of the structure, the maintenance process is greatly simplified, and daily installation and maintenance work becomes convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of garden hair dryers, in particular to a quick-install structure of a protective cover of a grass trimmer. Background Art

[0002] A lawn mower, as an indispensable handheld weeding tool in modern landscaping work, mainly includes a handle, a driving mechanism at the lower end of the handle, and a rotating blade driven by the driving mechanism. The synergistic effect of these components enables the lawn mower to effectively cut off plant stems and throw them out through the action of centrifugal force, thereby achieving efficient and convenient weeding operations. In order to prevent the cut plant stems from being thrown toward the user's body and causing injury, the lawn mower is specially provided with a protective cover on the housing of the driving mechanism.

[0003] In order to effectively block flying plant debris and protect the safety of users. The protective cover is often fixed to the shell with multiple screws. Depending on the model of the lawn mower, 6 or 8 screws are generally selected for fastening. However, in the actual operation of the lawn mower, the protective cover will inevitably suffer from wear and impact, resulting in the protective cover being a vulnerable part that needs regular replacement and maintenance. Although the existing installation method of the protective cover is stable, it is quite inconvenient to disassemble and maintain, which not only increases the difficulty and time cost of maintenance, but may also cause damage to other parts due to improper operation during the disassembly and assembly process.

[0004] Therefore, for a lawn mower, how to ensure the stability of the protective cover while achieving convenient and efficient disassembly and maintenance is undoubtedly one of the problems that technical personnel in this field need to solve urgently. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a quick-install structure for a grass trimmer protective cover, which solves the problem of complicated disassembly and assembly of the protective cover in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a quick-install structure of a grass trimmer protective cover, comprising a shell and a protective cover; the shell is provided with a positioning column and one or more connecting blocks; the protective cover is provided with a first groove and one or more connecting grooves, wherein the positioning column corresponds to the first groove, and the connecting block corresponds to the connecting groove; and also includes a connecting screw, which passes through the first groove and is connected to the positioning column.

[0007] Furthermore, a guide cylinder is provided along the axial direction of the shell, and the positioning column and the connecting block are arranged along the circumference of the guide cylinder.

[0008] Furthermore, the connecting groove includes an avoidance groove and a fastening groove arranged in sequence in a counterclockwise direction;

[0009] Furthermore, the avoidance groove is provided with a step surface for axial positioning to facilitate installation.

[0010] Furthermore, guide surfaces are arranged on both sides of the connecting block.

[0011] Furthermore, the shell includes a first shell and a second shell that are buckled into each other.

[0012] In the specific implementation, the shell is used as an integral frame structure to stably support and conveniently install other important parts of the mower. The shell includes a main structure that is cylindrical as a whole, and a connecting unit is arranged below the main structure along the circumferential direction of the shell, wherein the connecting unit includes a positioning column and two connecting blocks. Such a layout not only ensures the stability of the structure, but also provides great convenience for subsequent assembly and disassembly. The protective cover is located below the shell, and a through hole is provided in the middle of the protective cover, and a first groove corresponding to the positioning column and a connecting groove corresponding to the connecting block are provided around the through hole; in the assembly of the shell and the protective cover, the shell positioning column is first placed in the first groove, and the connecting block also falls into the connecting groove at this time. On this basis, the position is fine-tuned, and then the first groove and the positioning column are firmly connected together by connecting screws. In this way, the shell and the protective cover are quickly assembled. When disassembly is required, only one screw needs to be removed to easily separate the shell and the protective cover. This structure undoubtedly greatly simplifies the maintenance process, making daily installation and maintenance work convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the utility model from the first perspective;

[0014] Figure 2 This is a schematic diagram of the protective cover of the utility model from the first perspective;

[0015] Figure 3 This is a schematic diagram of the second viewing angle of the protective cover of the utility model;

[0016] Figure 4 This is a schematic diagram of the housing of the utility model from the first perspective;

[0017] Figure 5 This is a schematic diagram of the housing of the utility model from a second viewing angle;

[0018] In the figure: 100 housing, 110 positioning column, 120 connecting block, 121 guide surface, 130 guide cylinder, 200 protective cover, 210 first groove, 220 connecting groove, 221 fastening groove, 222 avoidance groove, 223 step surface. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] As attached Figures 1 to 5 As shown, the quick-install structure of the grass trimmer protective cover 200 includes a shell 100 and the protective cover 200; the shell 100 is provided with a positioning column 110 and one or more connecting blocks 120; the protective cover 200 is provided with a first groove 210 and one or more connecting grooves 220, wherein the positioning column 110 corresponds to the first groove 210, and the connecting block 120 corresponds to the connecting groove 220; and also includes a connecting screw, which passes through the first groove 210 and is connected to the positioning column 110.

[0021] In the specific implementation, the shell 100 is used as an integral frame structure for stable support and convenient installation of other important parts of the mower. The shell 100 includes a main structure that is cylindrical as a whole. A connection unit is arranged below the main structure along the circumferential direction of the shell 100, wherein the connection unit includes a positioning column 110 and two connection blocks 120. Such a layout not only ensures the stability of the structure, but also provides great convenience for subsequent assembly and disassembly. The protective cover 200 is located below the shell 100, and a through hole is provided in the middle of the protective cover 200. A first groove 210 corresponding to the positioning column 110 and a connection groove 220 corresponding to the connection block 120 are provided along the periphery of the through hole. When assembling the shell 100 and the protective cover 200, the positioning column 110 of the shell 100 is first placed in the first groove 210, and the connection block 120 also falls into the connection groove 220. On this basis, the position is finely adjusted, and then the first groove 210 and the positioning column 110 are firmly connected together by connecting screws. In this way, the housing 100 and the protective cover 200 can be quickly assembled. When disassembly is required, only one screw needs to be removed to easily separate the housing 100 and the protective cover 200. This structure undoubtedly greatly simplifies the maintenance process, making daily installation and maintenance work convenient and efficient.

[0022] In order to further improve the convenience of installation, this solution also sets a guide cylinder 130 along the axial direction of the shell 100. The positioning column 110 and the connecting block 120 are arranged circumferentially along the guide cylinder 130. In specific use, the guide cylinder 130 is inserted into the through hole in the middle of the protective cover 200, which realizes fast and accurate positioning, effectively assists the installation process, and significantly improves the overall installation efficiency. In order to install more conveniently and quickly, the connecting groove 220 includes an avoidance groove 222 and a fastening groove 221 arranged in sequence in a counterclockwise direction; during installation, the connecting block 120 on the shell 100 first falls into the avoidance groove 222, and then the protective cover 200 rotates clockwise, and the connecting hole will smoothly slide into the fastening groove 221. A limiting shell is set on the upper part of the fastening groove 221 for limiting the connecting block 120, which not only ensures the firmness of the installation, but also forms a snap connection with the connecting block 120 through the limiting shell, which further improves the overall stability. In addition, during use, the mower cutter mostly rotates in a clockwise direction. Thus, the avoidance groove 222 and the fastening groove 221 are arranged in sequence in a counterclockwise direction, which can make the fastening effect of the housing 100 and the protective cover 200 better during use, and effectively prevent the occurrence of loosening and falling off. Even in the case of high-speed rotation and vibration, the housing 100 and the protective cover 200 can maintain a tight connection, ensuring the safe and stable operation of the mower. In order to optimize the installation process, guide surfaces 121 are specially designed on both sides of the connecting block 120. These guide surfaces 121 have smooth curves and moderate inclination angles, so that the housing 100 can slide more smoothly from the avoidance groove 222 into the fastening groove 221, or slide out of the fastening groove 221. This structure greatly improves the smoothness and efficiency of the installation. At the same time, the existence of the guide surface 121 also avoids the stuck and dislocation phenomena that may occur during the installation process, further improving the success rate and overall quality of the installation.

[0023] Similarly, the avoidance groove 222 is also provided with a step surface 223 for convenience of use. When the connection block 120 falls into the connection groove 220, its end surface will be tightly abutted against the step surface 223 of the avoidance groove 222, which not only realizes the axial positioning of the housing 100, but also simplifies the installation steps, making the whole process quick and accurate; it also reduces the difficulty of operation, so that even first-time users can easily complete the installation.

[0024] Furthermore, in other embodiments of the present application, the structure of the entire housing 100 can also adopt a split design, which is formed by the first housing 100 and the second housing 100 being buckled together. Since the housing 100 is divided into two parts, the first housing 100 and the second housing 100 can be compactly nested together, thereby significantly reducing the overall packaging size of the lawn mower. This compact packaging method not only saves storage space, but also reduces the space occupied during transportation, thereby reducing transportation costs.

[0025] In addition, the split design also facilitates the maintenance and repair of the lawn mower. When the internal components need to be inspected or replaced, only the buckle part needs to be opened to easily see the internal structure without disassembling the entire housing 100. This design not only simplifies the maintenance steps, but also reduces the maintenance cost and prolongs the service life of the lawn mower.

Claims

1. The lawn mower protective cover has a quick-install structure. Features: The invention comprises a shell (100) and a protective cover (200); the shell (100) is provided with a positioning column (110) and one or more connecting blocks (120); the protective cover (200) is provided with a first groove (210) and one or more connecting grooves (220), wherein the positioning column (110) corresponds to the first groove (210), and the connecting block (120) corresponds to the connecting groove (220); and further comprises a connecting screw, which passes through the first groove (210) and is connected to the positioning column (110).

2. The quick-install structure of the grass trimmer protective cover according to claim 1, Features: A guide cylinder (130) is provided along the axial direction of the housing (100), and the positioning column (110) and the connecting block (120) are arranged along the circumference of the guide cylinder (130).

3. The quick-install structure of the grass trimmer protective cover according to claim 1 or 2, Features: The connection groove (220) comprises an avoidance groove (222) and a fastening groove (221) which are sequentially arranged in a counterclockwise direction.

4. The quick-install structure of the grass trimmer protective cover according to claim 3, Features: The avoidance groove (222) is provided with a step surface (223).

5. The quick-install structure of the grass trimmer protective cover according to claim 1, 2 or 4, Features: Guide surfaces (121) are provided on both sides of the connection block (120).

6. The quick-install structure of the grass trimmer protective cover according to claim 3, Features: Guide surfaces (121) are provided on both sides of the connection block (120).

7. The quick-install structure of the grass trimmer protective cover according to claim 1, 2, 4 or 6, Features: The housing (100) comprises a first housing (100) and a second housing (100) which are buckled into each other.

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