Mowing blade convenient to install

Abstract

The mowing blade convenient to install comprises a blade body, a connecting shaft, a second installing piece and a first installing piece, the second installing piece is arranged at one end of the connecting shaft, and a second limiting groove is formed in the position, located in the center of one side of the second installing piece, of the blade body. Second limiting protrusions distributed corresponding to the second limiting grooves are arranged on the surface of the second mounting piece, and a first limiting groove is formed in the center of the side, away from the second limiting grooves, of the blade. The U-shaped clamping seat and the first mounting piece are locked and fixed through the matching among the fixing holes, the through holes and the screws, so that the U-shaped clamping seat cannot fall off, the stability of the connection between the first mounting piece and the second mounting piece is ensured, the whole mounting structure is locked and fixed through the two screws, and the mounting structure is convenient to use. And the blade can be conveniently and rapidly disassembled and assembled, and operation is easy and rapid.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grass cutting blade, especially, relate to a grass cutting blade convenient to install. BACKGROUND

[0002] The lawn mower is a kind of mechanical tool for trimming lawn, vegetation and the like, which is composed of a cutter head, an engine, a walking wheel, a walking mechanism, a blade, a handrail and a control part.The cutter head is mounted on the walking wheel, and the engine is mounted on the cutter head.The blade is mounted on the output shaft of the engine, and the blade is rotated at high speed by the engine to improve the speed and save the working time of the grass cutting workers and reduce the amount of human resources.

[0003] In the traditional lawn mower, the replacement of the blade usually needs complicated operation and certain skill and strength, which is difficult for ordinary users, and since the front and back surfaces of the blade have the same mounting structure, the blade is easily installed reversely, which affects normal use and consumes more time. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a grass cutting blade convenient to install to solve the technical problems in the background art.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a grass cutting blade convenient to install, comprising a blade, a connecting shaft, a second mounting piece and a first mounting piece, one end of the connecting shaft is provided with the second mounting piece, the blade is provided with a second limiting groove at the center of one side of the second mounting piece, the surface of the second mounting piece is provided with a second limiting protrusion corresponding to the second limiting groove, the center of the side of the blade away from the second limiting groove is provided with a first limiting groove, the surface of the first mounting piece is provided with a first limiting protrusion corresponding to the first limiting groove, and the upper and lower sides of the first mounting piece and the second mounting piece are fixedly connected through a U-shaped clamping seat.

[0006] Preferably, the first limiting groove and the first limiting protrusion are regular octagonal structures, and the second limiting groove and the second limiting protrusion are regular hexagonal structures.

[0007] Preferably, the surface center of the blade is provided with four first positioning holes arranged in a circumferential array and penetrating the first limiting groove and the second limiting groove, the surface of the second limiting protrusion is provided with four second positioning holes corresponding to the first positioning holes one by one, the surface of the first limiting protrusion is provided with four positioning columns corresponding to the first positioning holes one by one, and the positioning columns extend into the second positioning holes through the first positioning holes.

[0008] Preferably, the U-shaped mouth width of the U-shaped clamping seat is consistent with the thickness of the blade.

[0009] Preferably, the first mounting piece and the second mounting piece are provided with sockets on the upper and lower sides, the two vertical sections of the U-shaped clamping base are provided with plug blocks corresponding to the sockets, and the sizes of the plug blocks are matched with the sizes of the sockets.

[0010] Preferably, the surface of the first mounting piece is provided with a fixing hole penetrating through the socket, the surface of the plug block is provided with a through hole corresponding to the fixing hole, and the fixing hole and the through hole are fixedly connected through a screw.

[0011] The mowing blade convenient to install has the following advantages:

[0012] 1. The U-shaped clamping base and the first mounting piece are locked and fixed through cooperation between the fixing hole, the through hole and the screw, so that the U-shaped clamping base cannot fall off, the stability of the connection between the first mounting piece and the second mounting piece is ensured, and the entire mounting structure is locked and fixed through two screws, so that the blade can be quickly disassembled and assembled, and the operation is simple and fast.

[0013] 2. The first limiting groove and the first limiting protrusion are different from the second limiting groove and the second limiting protrusion, so that the misalignment of the blade during installation is avoided, the convenience of installation is provided, and the user can quickly install the blade.

[0014] 3. The first mounting piece is connected with the second mounting piece through the positioning column, so that the first mounting piece and the second mounting piece are limited to each other, and the connection is more reliable and stable. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0016] Figure 1 It is a schematic view of the overall structure of the present application;

[0017] Figure 2 It is a right view of the present application; Figure 1

[0018] Figure 3 It is an exploded view of the present application; Figure 1

[0019] Figure 4 It is a schematic view of the structure from another perspective. Figure 3 ​​​

[0020] The figure mark description: 1, blade; 2, connecting shaft; 3, first mounting piece; 4, U-shaped clamping seat; 5, second mounting piece; 6, first limiting groove; 7, second limiting protrusion; 8, first positioning hole; 9, second positioning hole; 10, spigot; 11, plug; 12, fixing hole; 13, through hole; 14, second limiting groove; 15, first limiting protrusion; 16, positioning column. DETAILED DESCRIPTION

[0021] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0022] In the description of the embodiments of the present application, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0023] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0025] The disclosure below provides many different implementations or examples to implement different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0026] In order to better understand the purpose, structure and function of the present application, the present application will be further described in detail below in combination with the drawings.

[0027] As Figures 1-4 shown, the present application provides a kind of grass cutting blade convenient to install, including blade 1, connecting shaft 2, second mounting piece 5 and first mounting piece 3, one end of connecting shaft 2 is provided with second mounting piece 5, second limiting slot 14 is arranged in the center of one side of second mounting piece 5 of blade 1, the surface of second mounting piece 5 is provided with second limiting protrusion 7 corresponding with second limiting slot 14, the center of the side of blade 1 away from second limiting slot 14 is provided with first limiting slot 6, the surface of first mounting piece 3 is provided with first limiting protrusion 15 corresponding with first limiting slot 6, first limiting slot 6 and first limiting protrusion 15 are regular octagon structure, second limiting slot 14 and second limiting protrusion 7 are regular hexagon structure, by setting the structure of first limiting slot 6 and first limiting protrusion 15 and the structure of second limiting slot 14 and second limiting protrusion 7 are different, the misplacement installation of blade can be avoided, the convenience is provided for installation, so that user can quickly install blade 1. The surface center of blade 1 is provided with four first positioning holes 8 that are circumferentially arrayed and penetrate first limiting slot 6 and second limiting slot 14, the surface of second limiting protrusion 7 is provided with four second positioning holes 9 corresponding with first positioning hole 8 one by one, the surface of first limiting protrusion 15 is provided with four positioning columns 16 corresponding with first positioning hole 8 one by one, positioning column 16 extends into second positioning hole 9 through first positioning hole 8, by the cooperation between positioning column 16 and first positioning hole 8 and second positioning hole 9, when first mounting piece 3 and second mounting piece 5 fix blade 1, first mounting piece 3 can be connected together with second mounting piece 5 through positioning column 16, so that first mounting piece 3 and second mounting piece 5 play the role of mutual limiting between them, so that connection is more reliable and stable.

[0028] The upper and lower sides of the first mounting piece 3 and the second mounting piece 5 are fixedly connected through the U-shaped clamping seat 4. The U-shaped mouth width of the U-shaped clamping seat 4 is consistent with the thickness of the blade 1, so that the U-shaped clamping seat 4 can be clamped on the blade 1. The upper and lower sides of the first mounting piece 3 and the second mounting piece 5 are provided with the insertion port 10, and the bottom of the two vertical sections of the U-shaped clamping seat 4 is provided with the insertion block 11 corresponding to the insertion port 10. The size of the insertion block 11 is consistent with the size of the insertion port 10. When the U-shaped clamping seat 4 is clamped on the blade 1, the insertion block 11 is inserted into the insertion port 10, so that the first mounting piece 3 and the second mounting piece 5 are firmly fixed together through the U-shaped clamping seat 4. The surface of the first mounting piece 3 is provided with the fixing hole 12 penetrating the insertion port 10, the surface of the insertion block 11 is provided with the through hole 13 corresponding to the fixing hole 12, the fixing hole 12 and the through hole 13 are fixedly connected through the screw, the U-shaped clamping seat 4 and the first mounting piece 3 are locked and fixed through the cooperation between the fixing hole 12, the through hole 13 and the screw, so that the U-shaped clamping seat 4 cannot fall off, and the stability of the connection between the first mounting piece 3 and the second mounting piece 5 is ensured. The whole mounting structure is locked and fixed through two screws, the blade 1 can be quickly disassembled and assembled, and the operation is simple and fast.

[0029] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A grass cutting blade which is easy to install, characterised in that: Including blade (1), connecting shaft (2), second mounting piece (5) and first mounting piece (3), one end of connecting shaft (2) is provided with second mounting piece (5), second mounting piece (5) is provided with second limiting groove (14) in the center of one side of blade (1), the surface of second mounting piece (5) is provided with second limiting convex (7) corresponding to second limiting groove (14), the center of the side of blade (1) away from second limiting groove (14) is provided with first limiting groove (6), the surface of first mounting piece (3) is provided with first limiting convex (15) corresponding to first limiting groove (6), the upper and lower sides of first mounting piece (3) and second mounting piece (5) are fixedly connected through U-shaped holder (4).

2. A grass cutting blade for ease of installation according to claim 1 wherein: The first limiting groove (6) and the first limiting convex (15) are both regular octagonal structures, and the second limiting groove (14) and the second limiting convex (7) are both regular hexagonal structures.

3. A grass cutting blade for ease of installation according to claim 1, wherein: The surface of the center of the blade (1) is provided with four first positioning holes (8) arranged in a circumferential array and penetrating the first limiting groove (6) and the second limiting groove (14), the surface of the second limiting convex (7) is provided with four second positioning holes (9) corresponding to the first positioning holes (8) one by one, the surface of the first limiting convex (15) is provided with four positioning columns (16) corresponding to the first positioning holes (8) one by one, and the positioning columns (16) extend into the second positioning holes (9) through the first positioning holes (8).

4. The grass cutting blade of claim 1, wherein: The U-shaped mouth width of the U-shaped holder (4) is consistent with the thickness of the blade (1).

5. The grass cutting blade of claim 1, wherein: The upper and lower sides of the first mounting piece (3) and the second mounting piece (5) are provided with sockets (10), the bottom of the two vertical sections of the U-shaped holder (4) is provided with plug blocks (11) corresponding to the sockets (10), and the size of the plug blocks (11) is consistent with the size of the sockets (10).

6. A grass cutting blade for ease of installation according to claim 5 wherein: The surface of the first mounting piece (3) is provided with a fixing hole (12) penetrating the socket (10), the surface of the plug block (11) is provided with a through hole (13) corresponding to the fixing hole (12), and the fixing hole (12) and the through hole (13) are fixedly connected through a screw.

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