Combined mowing blade

Abstract

The utility model discloses a combined type mowing blade which comprises a cutterhead and connecting plates, a mounting hole is formed in the center of the surface of the cutterhead, a plurality of limiting grooves distributed in a circumferential array mode are formed in the surface of the cutterhead, each limiting groove is internally provided with one connecting plate, and the connecting plates are connected with the limiting grooves through limiting structures. The connecting plate is fixedly connected with the cutter head through a fixing piece, and a cutter head is arranged on the edge of the connecting plate. When the connecting plate is placed in the limiting groove, the inserting block is aligned with the inserting groove, the clamping strip is aligned with the clamping opening, multi-directional limiting of the connecting plate can be achieved, the connecting plate can be installed in the limiting groove more stably and reliably, and normal operation of the mowing blade can be guaranteed.

Description

TECHNICAL FIELD

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

[0002] The grass cutting blade is a disc-shaped saw blade with a mounting hole in the center, which is installed on a grass cutter and cuts grass and wood by rotating.

[0003] The existing grass cutting blade is usually a whole disc-shaped structure, when part of the blade edge is damaged, the whole blade needs to be replaced, and the replacement needs to disassemble the grass cutter, which is very troublesome. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a combined grass cutting blade 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 combined grass cutting blade, comprising a cutter head and a connecting plate, a mounting hole is arranged at the center of the surface of the cutter head, a plurality of limiting grooves arranged in a circumferential array are arranged on the surface of the cutter head, a connecting plate is arranged in each limiting groove, the connecting plate is connected with the limiting groove through a limiting structure, and the connecting plate and the cutter head are fixedly connected through a fixing plate, and a cutter head is arranged at the edge of the connecting plate.

[0006] Preferably, the limiting groove is a U-shaped structure with one open end and one closed end, and the size of the connecting plate is consistent with the size of the limiting groove.

[0007] Preferably, the limiting structure comprises an insertion block and a clamping strip, the insertion block is arranged at one end of the connecting plate away from the cutter head, the connecting plate is provided with a clamping strip on one side of the limiting groove, the closed end of the limiting groove is provided with an insertion groove, the size of the insertion block is consistent with the size of the insertion groove, and the surface of the limiting groove is provided with a through clamping hole, and the size of the clamping strip is consistent with the size of the clamping hole.

[0008] Preferably, the end of the connecting plate connected with the cutter head is provided with a folded edge, and the inner wall of the folded edge is in contact with the edge of the cutter head.

[0009] Preferably, the surface of the connecting plate is provided with a second groove, and the surface of the cutter head is provided with a first groove in communication with the second groove on both sides of the connecting plate.

[0010] Preferably, the length between the first groove and the second groove is equal to the length of the fixing sheet, the width of the first groove and the second groove is equal to the width of the fixing sheet, the surface of the limiting groove and the surface of the first groove are provided with fixing holes, the surface of the connecting plate is provided with a first through hole corresponding to the fixing hole of the limiting groove, the surface of the fixing sheet is provided with three second through holes corresponding to the three fixing holes, and the fixing sheet and the cutter head are fixedly connected through the screw.

[0011] Preferably, the surface of the fixing sheet is provided with a counterbore concentric with the second through hole, and the nut of the screw is in the counterbore.

[0012] The combined grass cutting piece has the following advantages:

[0013] 1. When the connecting plate is placed in the limiting groove, the plug aligns with the slot, and the clamping strip aligns with the clamping hole, so that the connecting plate can be multi-directionally limited, and the connecting plate is more stable and reliable when installed in the limiting groove, and the normal operation of the grass cutting piece can be ensured.

[0014] 2. When the connecting plate is installed in the limiting groove, the first groove and the second groove form a long rectangular groove, and the size of the rectangular groove is just matched with the size of the fixing sheet, at this time, the fixing sheet is placed in the rectangular groove, the surface of the fixing sheet is flush with the surface of the connecting plate and the cutter head, and the screw is installed in the through hole and the fixing hole, so that the connecting plate and the cutter head are firmly fixed, the disassembly and assembly of the cutter heads do not interfere with each other, when a cutter head is damaged, only the cutter head needs to be replaced, the convenience is greatly improved, the cost is reduced, the waste of resources is reduced, and in addition, the fixing sheet and the connecting plate are fixedly connected with the cutter head through the three screws, so that the connection is more firm and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, it should be understood, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is Figure 1 It is the structure schematic diagram of another view;

[0018] Figure 3 It is Figure 1 It is the exploded view;

[0019] Figure 4 It is the structure schematic view of the cutter head in the utility model.

[0020] Figure 5 It is the structure schematic view of the connecting plate in the utility model.

[0021] Marked explanation in the drawing: 1, cutter head;2, mounting hole;3, connecting plate;4, cutter head;5, fixed piece;6, clamping strip;7, limiting groove;8, clamping port;9, first recess;10, fixed hole;11, second recess;12, insertion block;13, first through hole;14, second through hole;15, counterbore;16, insertion slot;17, folded edge. DETAILED DESCRIPTION

[0022] In the following, 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 utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0023] In the description of the embodiments of the utility model, it needs to be 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 utility model 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 utility model.

[0024] 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 limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0025] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated;It can be mechanical connection, or electrical connection, or communication;It can be directly connected, or indirectly connected through an intermediate medium;It can be the communication or interaction relationship between two elements inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0026] The disclosure below provides many different embodiments or examples for implementing 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.

[0027] 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.

[0028] As Figures 1-5 shown, the combined grass cutting blade of the present application includes a cutter head 1 and a connecting plate 3, the surface center of the cutter head 1 is provided with a mounting hole 2, the surface of the cutter head 1 is provided with a plurality of circumferentially arrayed limiting grooves 7, each limiting groove 7 is installed with a connecting plate 3, the limiting groove 7 is a U-shaped structure with one end open and one end closed, and the size of the connecting plate 3 is consistent with the size of the limiting groove 7, when installing, the connecting plate 3 is installed in the limiting groove 7, and the limiting groove 7 can limit the left and right of the connecting plate 3. The connecting plate 3 is connected with the limiting groove 7 through a limiting structure, the limiting structure includes a plug 12 and a clamping strip 6, the plug 12 is provided on the connecting plate 3 away from the cutter head 4, the connecting plate 3 is provided with a clamping strip 6 on one side of the limiting groove 7, the closed end of the limiting groove 7 is provided with a slot 16, the size of the plug 12 is consistent with the size of the slot 16, the surface of the limiting groove 7 is provided with a through clamping hole 8, the size of the clamping strip 6 is consistent with the size of the clamping hole 8, when the connecting plate 3 is placed in the limiting groove 7, the plug 12 is aligned with the slot 16, and the clamping strip 6 is aligned with the clamping hole 8, so that the connecting plate 3 can be limited in multiple directions, so that the connecting plate 3 is more stable and reliable when installed in the limiting groove 7, and the normal operation of the grass cutting blade can be ensured.

[0029] The connecting plate 3 is fixedly connected with the cutter head 1 through the fixing sheet 5, the surface of the connecting plate 3 is provided with a second groove 11, the surface of the cutter head 1 located at both sides of the connecting plate 3 is provided with a first groove 9 in communication with the second groove 11, the length between the first groove 9 and the second groove 11 is equal to the length of the fixing sheet 5, the width of the first groove 9 and the second groove 11 is equal to the width of the fixing sheet 5, the surface of the limiting groove 7 and the surface of the first groove 9 are provided with fixing holes 10, the surface of the connecting plate 3 is provided with a first through hole 13 corresponding to the fixing holes 10 on the limiting groove 7, the surface of the fixing sheet 5 is provided with three second through holes 14 corresponding to the three fixing holes 10, the fixing sheet 5 is fixedly connected with the cutter head 1 through screws, when the connecting plate 3 is installed in the limiting groove 7, the first groove 9 will form a long rectangular groove with the second groove 11, the size of the rectangular groove is just matched with the size of the fixing sheet 5, at this time, the fixing sheet 5 is placed in the rectangular groove, the surface of the fixing sheet 5 is flush with the surface of the connecting plate 3 and the cutter head 1, and the screws are installed in the through holes and the fixing holes 10, so that the connecting plate 3 and the cutter head 1 are fixed firmly, the disassembly and assembly of the cutter heads 4 do not interfere with each other, when a cutter head 4 is damaged, only the cutter head 4 needs to be replaced, so that the convenience is greatly improved, the cost is reduced, and the waste of resources is reduced, in addition, through the setting of the fixing sheet 5, the fixing sheet 5 and the connecting plate 3 are fixedly connected with the cutter head 1 through three screws, so that the connection is more firm and reliable. The surface of the fixing sheet 5 is provided with a counterbore 15 concentric with the second through hole 14, the nut of the screw is in the counterbore 15, through the setting of the counterbore 15, the nut of the screw can be effectively prevented from protruding from the surface of the fixing sheet 5, and the appearance is improved. The edge of the connecting plate 3 is provided with a cutter head 4. The end of the connecting plate 3 connected with the cutter head 4 is provided with a folded edge 17, the inner wall of the folded edge 17 is in contact with the edge of the cutter head 1, through the setting of the folded edge 17, when the connecting plate 3 is installed in the limiting groove 7, the end of the connecting plate 3 can be in close contact with the edge of the cutter head 1, so that the tightness of the connection is further ensured.

[0030] 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 combination grass cutting blade, characterized by: The utility model provides a cutting tool, including cutter head (1) and connecting plate (3), the surface central part of cutter head (1) is provided with mounting hole (2), the surface of cutter head (1) is provided with multiple limit slot (7) of circular array distribution, every limit slot (7) is installed with connecting plate (3) in, connecting plate (3) is connected with limit slot (7) through limiting structure, and connecting plate (3) and cutter head (1) are fixedly connected through fixing piece (5), the edge of connecting plate (3) is provided with tool bit (4). The limiting structure includes an insertion block (12) and a clamping strip (6), the insertion block (12) is arranged on the end of the connecting plate (3) away from the tool bit (4), the clamping strip (6) is arranged on one side of the connecting plate (3) in the limit slot (7), the closed end of the limit slot (7) is provided with a slot (16), the size of the insertion block (12) is consistent with the size of the slot (16), the surface of the limit slot (7) is provided with a through clamping hole (8), and the size of the clamping strip (6) is consistent with the size of the clamping hole (8).

2. The combination grass cutting blade of claim 1 wherein: The limit slot (7) is a U-shaped structure with one open end and one closed end, and the size of the connecting plate (3) is consistent with the size of the limit slot (7).

3. The combination grass cutting blade of claim 1 wherein: The end of the connecting plate (3) connected with the tool bit (4) is provided with a folded edge (17), and the inner wall of the folded edge (17) is in contact with the edge of the cutter head (1).

4. The combination grass cutting blade of claim 1 wherein: The surface of the connecting plate (3) is provided with a second groove (11), and the surface of the cutter head (1) on both sides of the connecting plate (3) is provided with a first groove (9) in communication with the second groove (11).

5. A combined grass cutting blade as claimed in claim 4, wherein: The length between the first groove (9) and the second groove (11) is equal to the length of the fixing piece (5), the width of the first groove (9) and the second groove (11) is equal to the width of the fixing piece (5), the surface of the limit slot (7) and the surface of the first groove (9) are provided with fixing holes (10), the surface of the connecting plate (3) is provided with a first through hole (13) corresponding to the fixing holes (10) on the limit slot (7), the surface of the fixing piece (5) is provided with three second through holes (14) corresponding to the three fixing holes (10), and the fixing piece (5) and the cutter head (1) are fixedly connected through screws.

6. A combined grass cutting blade as claimed in claim 5, wherein: The surface of the fixing piece (5) is provided with a counterbore (15) concentric with the second through hole (14), and the nut of the screw is in the counterbore (15).

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