CN220556898U

CN220556898U - Mower blade easy to replace

Info

Publication number: CN220556898U
Application number: CN202321835865.0U
Authority: CN
Inventors: 陈权
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-03-08
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses an easily replaceable mower blade, which relates to the technical field of mower accessories and comprises a blade body and a blade, wherein a clamping groove is formed in the side face of the blade body, a clamping protrusion matched with the clamping groove is arranged on the side face of the blade body, the clamping groove is in sliding fit with the clamping protrusion, stop blocks used for limiting the blade are arranged at two ends of the blade body, and the blade and the stop blocks used for limiting the blade are located on the same side of the center of the blade body. The utility model is provided with the conveniently replaced blade, and the clamping groove structure is utilized to realize efficient blade replacement and disassembly, thereby saving time and labor and reducing the use cost.

Description

Mower blade easy to replace

Technical Field

The utility model relates to the technical field of mower accessories, in particular to a mower blade easy to replace.

Background

The mower is also called a weeding machine, a grass mower, a lawn trimmer and the like, and is suitable for mechanical tools for trimming lawns, vegetation and the like, wherein a cutter disc in the mower is arranged on a travelling wheel, an engine is arranged on the cutter disc, a blade is arranged on an output shaft of the engine, the blade rotates at a high speed by utilizing the engine, so that the working time of weeding workers is saved, and a large amount of manpower resources are reduced. The lawn mower can meet various complicated environments and terrains in the during operation, and the lawn mower can not touch hard objects and stones in the process of mowing, and the blade can not collide when the lawn mower works under places of narrow spaces such as stones and channels, the blade is inevitably damaged, the use cost can be increased when the whole blade is replaced, the replacement process is time-consuming and labor-consuming, and the operation efficiency is reduced.

Disclosure of Invention

1. Technical problem to be solved by the utility model

Aiming at the technical problems that the use cost is increased, time and labor are wasted and the operation efficiency is reduced when the whole blade is replaced after the existing mower blade is damaged, the utility model provides the easily replaced mower blade which is provided with the conveniently replaced blade, and the clamping groove structure is used for realizing efficient blade replacement and disassembly, so that the time and effort are saved and the use cost is reduced.

2. Technical proposal

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides an easily change lawn mower blade, includes blade body and cutting edge, the side of blade body is equipped with the draw-in groove, the side of cutting edge be equipped with draw-in groove matched with card is protruding, the draw-in groove with protruding sliding fit of card, the both ends of blade body all are equipped with and are used for spacing the dog of cutting edge, the cutting edge with be used for its spacing the dog is located the homonymy in the center of blade body.

Optionally, the blade body and the blade edge are provided with a limiting pin structure.

Optionally, the card is convexly provided with a tip and a detail, and the card slot is provided with a structure matched with the tip and the detail.

Alternatively, the angle of the tip is 30 ° to 90 °.

Optionally, the corners of the clamping groove and the clamping protrusion are of round corner structures.

Alternatively, the blade has a thickness of 5 to 10 mm.

Alternatively, the blade is made of cemented carbide.

Optionally, the contact part of the stop block and the cutting edge is arc-shaped.

Optionally, a connecting hole is arranged in the center of the blade body.

Optionally, the blade body is provided with at least two symmetrical fixing holes.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the technical scheme, the movable fit blade body and the blade are arranged, the clamping groove is formed in the side face of the blade body, the clamping protrusion matched with the clamping groove is arranged on the side face of the blade, the clamping groove is in sliding fit with the clamping protrusion, efficient blade replacement and disassembly are achieved through the clamping groove structure, time and labor are saved, and the use cost is reduced.

Drawings

Fig. 1 is a schematic structural view of a replaceable mower blade according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of an easily replaceable mower blade according to an embodiment of the present utility model.

1. A blade body; 2. a blade; 3. a stop block; 4. a connection hole; 5. a fixing hole; 6. a limiting pin; 7. a cutting edge; 8. a clamping groove; 9. and (5) clamping the convex.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

Examples

Referring to fig. 1-2, an easy-to-replace mower blade comprises a blade body 1 and a blade 2, wherein a clamping groove 8 is formed in the side face of the blade body 1, a clamping protrusion 9 matched with the clamping groove 8 is formed in the side face of the blade 2, the clamping groove 8 is in sliding fit with the clamping protrusion 9, stop blocks 3 used for limiting the blade 2 are arranged at two ends of the blade body 1, and the blade 2 and the stop blocks 3 used for limiting the blade are located on the same side of the center of the blade body 1.

The movable blade body 1 and the blade 2 are arranged, the clamping groove 8 is formed in the side face of the blade body 1, the clamping protrusion 9 matched with the clamping groove 8 is formed in the side face of the blade 2, the clamping groove 8 is in sliding fit with the clamping protrusion 9, and the efficient replacement, disassembly and assembly of the blade 2 are realized by utilizing the clamping groove 8, so that time and labor are saved, and the use cost is reduced. After the blade 2 is inserted into the blade body 1, the blade is fixed by the limiting pin 6, and after the blade rotates, the blade 2 has a centrifugal trend, and the two ends of the blade body 1 are provided with the stop blocks 3 which can block the blade 2, so that the blade 2 is prevented from falling off.

And the blade body 1 and the blade 2 are provided with limiting pin 6 structures for fixing the blade body 1 and the blade 2. The clamping protrusion 9 is provided with a tip and a detail, the clamping groove 8 is provided with a structure matched with the tip and the detail, the cutting edge 2 can be inserted from the end face of the blade body 1, and limit is provided in the direction in which the blade body 1 and the cutting edge 2 are separated. The angle of the tip is 30-90 degrees, when the blade rotates, the blade edge 2 is subjected to resistance perpendicular to the blade edge 7, the tip is then subjected to acting force in the same direction, and the acting area is increased and the blade edge 2 is more stable due to the side force component of the tip. The corners of the clamping groove 8 and the clamping convex 9 are of round corner structures, so that stress concentration is reduced, the bending resistance of the blade body 1 and the blade 2 is improved, and the service lives of the blade body 1 and the blade 2 are prolonged.

The blade 2 has a thickness of 5 to 10 mm. The blade 2 is made of hard alloy, and the blade 2 adopting the structure and the material has long service life, is not easy to break and is not easy to damage when being hit with stones of small blocks.

The contact part of the stop block 3 and the blade 2 is arc-shaped, so that grass blades can be guided to the blade 2, the impact of the stop block 3 and the grass blades is reduced, and the service lives of the blade body 1 and the blade 2 are prolonged.

The center of the blade body 1 is provided with a connecting hole 4 for connecting a rotating shaft of a motor or an engine. At least two symmetrical fixing holes 5 are arranged on the blade body 1 and are used for fixing the blade.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. The utility model provides an easily change lawn mower blade, its characterized in that, includes blade body and cutting edge, the side of blade body is equipped with the draw-in groove, the side of cutting edge be equipped with draw-in groove matched with card is protruding, the draw-in groove with protruding sliding fit of card, the both ends of blade body all are equipped with and are used for spacing the dog of cutting edge, the cutting edge with be used for its spacing the dog is located the homonymy in the center of blade body.

2. The replaceable mower blade of claim 1 wherein said blade body and said blade edge are provided with a stop pin structure.

3. The replaceable mower blade of claim 1 wherein said catch has a tip and a detail and said catch slot has a configuration adapted to said tip and detail.

4. A replaceable mower blade as claimed in claim 3 wherein said tip is angled between 30 ° and 90 °.

5. A replaceable mower blade as claimed in claim 3 wherein said clamping groove and said clamping projection are rounded at their corners.

6. The replaceable mower blade of claim 1 wherein said blade is 5 to 10 millimeters thick.

7. The replaceable mower blade of claim 1 wherein said blade is made of cemented carbide.

8. The replaceable mower blade of claim 1 wherein said stop is rounded at the point of contact with said blade edge.

9. An easily replaceable mower blade as claimed in any one of claims 1 to 8 wherein said blade body is provided with a connecting hole in the centre thereof.

10. An easily replaceable mower blade as claimed in any one of claims 1 to 8 wherein said blade body is provided with at least two symmetrical fixing holes.