Cutter for mower

Abstract

The utility model relates to the technical field of mowers, and discloses a cutter for a mowing machine, which comprises a connecting plate, a main mounting hole is formed in the center of the connecting plate, avoiding grooves are formed in two sides of the connecting plate, arc-shaped cutter rests are slidably connected in the avoiding grooves, and the arc-shaped cutter rests are arranged in the arc-shaped cutter rests. A plurality of first through holes are formed in the arc-shaped knife rest and the inner wall of the top and the inner wall of the bottom of the receding groove correspondingly, first screws are arranged in the first through holes correspondingly, and first mounting grooves are formed in the two sides of the arc-shaped knife rest correspondingly. According to the utility model, the integrally forged and molded cutter is divided into the split connecting plate and the arc-shaped cutter rest which are mounted through the first screw, so that the arc-shaped cutter rest can be taken down by detaching the first screw after the cutter becomes blunt after being used for a long time, and the cutter is convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the lawn mower technical field more specifically to a cutter for lawn mower. BACKGROUND

[0002] The lawn mower is a mechanical tool for trimming lawn, vegetation and the like, which is composed of a cutter head, an engine, traveling wheels, a traveling mechanism, blades, a handrail and a control part.

[0003] According to the search, the Chinese patent with the publication number CN206294529U discloses a cutter for lawn mower with high cutting efficiency, the cutter can be applied to various types of lawn mower, thereby significantly widening the cutter application range, saving resources and use cost, after long-term use of the device, the blade will be blunt and affect the cutting efficiency, and needs to be replaced, however, the cutter is integrally formed by forging, the whole cutter needs to be replaced, which will cause waste of materials. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a cutter for lawn mower to solve the problems in the above background art.

[0005] The utility model provides the following technical scheme: a cutter for lawn mower, including connecting plate, the central part on connecting plate is equipped with main installation hole, both sides of connecting plate are equipped with avoid position groove, the arc type tool rest is connected in avoid position groove all slidingly, the arc type tool rest and the top and bottom inner wall of avoid position groove all are equipped with a plurality of first through -hole, a plurality of first through -hole all are equipped with first screw, both sides of arc type tool rest are equipped with first installation slot, first installation plate is connected in first installation slot all slidingly, first installation plate and the top and bottom inner wall of first installation slot all are equipped with a plurality of second through -hole that pass through, a plurality of second through -hole all are equipped with second screw, both sides of first installation plate are equipped with first cutting knife.

[0006] As a further scheme of the utility model, one side of the arc type tool rest is equipped with the second installation slot, the second installation slot is connected with the second installation plate slidingly, and the second installation plate is provided with a second cutting knife on one side.

[0007] As a further scheme of the utility model, the second installation slot is provided with a second waist round hole penetrating the top and bottom inner walls, the second installation plate is provided with a first waist round hole, and the first waist round hole is fixed by a third screw after coinciding with the second waist round hole.

[0008] As a further scheme of the utility model, two positioning strips are symmetrically arranged in the position-avoiding groove, two positioning grooves with the same position as the two positioning strips are arranged at one end of the arc-shaped cutter holder, and the positioning grooves are embedded into the positioning strips.

[0009] As a further scheme of the utility model, the first mounting plate and the first mounting groove have the same shape, and the second mounting plate and the second mounting groove have the same shape.

[0010] As a further scheme of the utility model, the second cutting knife is triangular, and the first cutting knife is wavy.

[0011] As a further scheme of the utility model, the auxiliary mounting holes are waist-round holes.

[0012] The utility model discloses a cutting knife, which has the advantages of convenient replacement, cutting efficiency, and the like.

[0013] 1. The utility model discloses a cutting knife which is integrally forged into a connecting plate and an arc-shaped cutter holder, and the two are installed through a first screw, so that the arc-shaped cutter holder can be removed and replaced conveniently when the cutting knife is blunt after long-term use.

[0014] 2. The second cutting knife is arranged to cut weeds on the edge of the arc-shaped cutter holder, so that the weeds are not pushed down by the edge of the arc-shaped cutter holder during the mowing process, and the subsequent mowing work is not affected. DRAWINGS

[0015] Figure 1 It is a schematic view of the three-dimensional structure of the utility model.

[0016] Figure 2 It is a schematic view of the partial explosion structure of the utility model. Figure 1

[0017] Figure 3 It is a schematic view of the partial explosion structure of the utility model. Figure 2

[0018] The reference signs are as follows: 1, connecting plate; 2, main mounting hole; 3, auxiliary mounting hole; 4, position-avoiding groove; 5, arc-shaped cutter holder; 6, first screw; 7, first cutting knife; 8, first mounting plate; 9, first mounting groove; 10, positioning groove; 11, positioning strip; 12, second screw; 13, second mounting groove; 14, second mounting plate; 15, second cutting knife; 16, first waist-round hole; 17, second waist-round hole; 18, third screw. DETAILED DESCRIPTION

[0019] ​​The technical scheme in the utility model will be described clearly and completely in connection with the drawings in the utility model, and besides, the forms of each structure recorded in the following implementation manners are only examples, and the utility model is not limited to each structure recorded in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] With reference to Figures 1-3 The utility model provides a cutter for mower, including connecting plate 1, the central part on connecting plate 1 is equipped with main mounting hole 2, and both sides of connecting plate 1 are equipped with avoid position groove 4, and the arc type tool rest 5 is slidably connected in avoid position groove 4, a plurality of first through -hole are equipped on the top and bottom inner wall of avoid position groove 4 and arc type tool rest 5, and the first screw 6 is equipped in a plurality of first through -hole, and the first installation slot 9 is equipped in both sides of arc type tool rest 5, and the first installation plate 8 is slidably connected in two first installation slots 9, a plurality of second through -hole are equipped on the top and bottom inner wall of first installation slot 9 and first installation plate 8, and the second screw 12 is equipped in a plurality of second through -hole, and the first cutting knife 7 is equipped in both sides of two first installation plates 8, and the cutter of integral forging is shaped as the split connecting plate 1 and arc type tool rest 5, and both are installed through the first screw 6, can be conveniently removed after dulling after the long -term use of cutting knife, and arc type tool rest 5 can be taken down through the first screw 6 dismounting, and it is convenient to replace.

[0021] In the utility model, the second installation slot 13 is equipped in one side of arc type tool rest 5, the second installation plate 14 is slidably connected in the second installation slot 13, the second cutting knife 15 is equipped in one side of second installation plate 14, and the second cutting knife 15 is equipped, and the weeds on the edge part of arc type tool rest 5 are cut, to avoid the edge part of arc type tool rest 5 in the process of mowing grass to be pressed down, so as to affect the subsequent mowing work, and the second waist round hole 17 is equipped on the top and bottom inner wall of second installation slot 13, and the first waist round hole 16 is equipped on second installation plate 14, and the first waist round hole 16 is fixed through the third screw 18 after coinciding with the second waist round hole 17, and the second installation plate 14 can be fixed through the third screw 18, and then it is convenient to dismount when the second cutting knife 15 needs to be replaced.

[0022] For the convenience of positioning when installing the arc type tool rest 5, two positioning strips 11 are arranged in the avoid position groove 4, and two positioning grooves 10 are arranged in one end of the arc type tool rest 5 and are the same as the positions of the two positioning strips 11, and the positioning grooves 10 are embedded in the positioning strips 11, so that the positioning strips 11 and the positioning grooves 10 can guide the arc type tool rest 5 during installation, thereby facilitating the alignment of the first through holes on the arc type tool rest 5 and the avoid position groove 4, and facilitating the installation of the first screw 6.

[0023] In order to facilitate the installation of the blade, the first mounting plate 8 and the first mounting groove 9 are the same in shape, the second mounting plate 14 and the second mounting groove 13 are the same in shape, so as to avoid the gap between them and facilitate the installation and fixation, the second cutting knife 15 is triangular, and the first cutting knife 7 is wavy, so that the stability of the first cutting knife 7 and the second cutting knife 15 can be increased, the auxiliary mounting holes 3 are arranged on the upper surface of the connecting plate 1 and located at the symmetrical positions on both sides of the main mounting hole 2, and the auxiliary mounting holes 3 are waist round.

[0024] The utility model discloses in using the following steps:

[0025] S1: when needing to disassemble the arc-shaped tool rest 5, first, the first screw 6 is disassembled, then the arc-shaped tool rest 5 is pulled out along the avoiding slot 4, and when the arc-shaped tool rest 5 and the avoiding slot 4 completely separate contact, it can be disassembled;

[0026] S2: when needing to disassemble the first cutting knife 7, first, the second screw 12 is disassembled, then the first cutting knife 7 is pulled to drive the first mounting plate 8 to slide out along the first mounting groove 9, and the first cutting knife 7 can be disassembled;

[0027] S3: when needing to disassemble the second cutting knife 15, first, the third screw 18 is disassembled, then the second cutting knife 15 is pulled to drive the second mounting plate 14 to slide out along the second mounting groove 13, and the second cutting knife 15 can be disassembled.

[0028] Finally, it should be pointed out that in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0029] The utility model discloses in the drawing of the embodiment, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A cutter for a mower comprising a connecting plate (1), characterised in that: The center part of the connecting plate (1) is provided with a main mounting hole (2), both sides of the connecting plate (1) are provided with an avoiding slot (4), the avoiding slot (4) is slidably connected with an arc-shaped tool rest (5), a plurality of first through holes are formed in the arc-shaped tool rest (5) and the top and bottom inner walls of the avoiding slot (4), a first screw (6) is arranged in each of the first through holes, a first installation groove (9) is formed in each side of the arc-shaped tool rest (5), a first installation plate (8) is slidably connected in each of the first installation grooves (9), a plurality of second through holes are formed in the top and bottom inner walls of the first installation plate (8) and the first installation groove (9), a second screw (12) is arranged in each of the second through holes, and a first cutting knife (7) is arranged on both sides of each of the first installation plates (8).

2. A cutter for a lawnmower according to claim 1, characterised in that: A second installation groove (13) is formed in one side of the arc-shaped tool rest (5), a second installation plate (14) is slidably connected in the second installation groove (13), and a second cutting knife (15) is arranged on one side of the second installation plate (14).

3. A cutter for a lawnmower according to claim 2, characterised in that: Second waist round holes (17) are formed in the top and bottom inner walls of the second installation groove (13), a first waist round hole (16) is formed in the second installation plate (14), and the first waist round hole (16) is fixed by a third screw (18) after being coincided with the second waist round hole (17).

4. A cutter for a lawnmower according to claim 1, characterised in that: Two positioning strips (11) are arranged in the avoiding slot (4), two positioning grooves (10) are formed in one end of the arc-shaped tool rest (5) and are located at the same position as the two positioning strips (11), and the positioning grooves (10) are embedded in the positioning strips (11).

5. A cutter for a lawnmower according to claim 3, characterised in that: The first installation plate (8) and the first installation groove (9) have the same shape, and the second installation plate (14) and the second installation groove (13) have the same shape.

6. A cutter for a lawnmower according to claim 2, characterised in that: The second cutting knife (15) is triangular, and the first cutting knife (7) is wavy.

7. A cutter for a lawnmower according to claim 1, characterised in that: Auxiliary mounting holes (3) are formed in the upper surface of the connecting plate (1) and are located at symmetrical positions on both sides of the main mounting hole (2), and the auxiliary mounting holes (3) are waist round.

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