Adjustable mowing machine cutting disc structure

Abstract

The utility model relates to the technical field of mowers, and discloses an adjustable mowing disc structure of a mowing machine, which comprises a mowing disc, a protective guard is arranged outside the mowing disc, a driving motor is arranged at the top end of the mowing disc, an output end of the driving motor is fixedly connected with a mounting shaft, a cutter disc is arranged at the bottom end of the mounting shaft, and a cutter is arranged on the cutter disc. And a blade is fixedly connected to the outer portion of the cutter disc, a supporting cover is installed on the outer portion of the driving motor, and a mounting base is fixedly connected to the top end of the supporting cover. According to the adjustable mowing disc structure of the mowing machine, a mowing area can be firstly explored through the protective fence, once stones appear in the mowing area, the protective fence can push the stones to one side in the translation process, the situation that blades make contact with the stones during mowing is avoided, the protective fence can be detached and taken down, mounting bolts are screwed off during detaching, and the mowing disc structure is convenient to use and high in practicability. According to the structure, the protection effect is enhanced conveniently, the situation that the blade is damaged by stones is reduced, and the problem that the blade is easily damaged by the stones is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, in particular to an adjustable lawn mower cutting disc structure. Background Technique

[0002] A lawn mower, also known as a weeding machine, is a mechanical tool used for trimming lawns, vegetation, etc. It consists of a cutting disc, an engine, walking wheels, a walking mechanism, blades, a handrail, and a control part. The working methods of the lawn mower are reciprocating and rotary. Its high mowing efficiency greatly saves time and realizes the functions of green environmental protection and environmental beautification.

[0003] During the lawn mowing process, once the blades inside the cutting disc touch a stone on the grass, the high-speed rotating blades are easily damaged by the stone. Once the blades break and fly out, it is easy to cause personal injury. Moreover, the cutting disc angle of some lawn mowers is inconvenient to adjust, and the flexibility of mowing is poor.

[0004] There is an urgent need for an adjustable lawn mower cutting disc structure to solve the technical defects mentioned in the above technology. Content of the Utility Model

[0005] The purpose of the utility model is to provide an adjustable lawn mower cutting disc structure to solve the problem of being easily damaged by stones mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an adjustable lawn mower cutting disc structure, including a cutting disc, a protective fence is installed outside the cutting disc, a driving motor is installed at the top of the cutting disc, an output end of the driving motor is fixedly connected to a mounting shaft, a cutter head is installed at the bottom of the mounting shaft, blades are fixedly connected to the outside of the cutter head, a support cover is installed outside the driving motor, a mounting seat is fixedly connected to the top of the support cover, a hand-held rod is installed inside the mounting seat, a mounting sleeve is installed outside the hand-held rod, a grass blocking plate is fixedly connected to the bottom of the mounting sleeve, a mounting plate is fixedly connected to the protective fence, mounting bolts are arranged on the mounting plate, and the mounting plate is attached to the outside of the cutting disc and fixed by the mounting bolts.

[0007] Preferably, there are two groups of the protective fences, and the protective fences are installed on the left and right sides of the cutting disc.

[0008] Preferably, the mounting plate is arc-shaped, and the mounting bolts are embedded inside the cutting disc and are in threaded connection.

[0009] Preferably, there are six groups of the blades, and the blades are annularly distributed on the outside of the cutter head.

[0010] Preferably, a connecting shaft is fixedly connected to the top end of the cutter head. Fixing holes are provided on both sides of the connecting shaft, fixing bolts are provided on both sides of the mounting shaft, and limiting baffles are movably connected to the top ends on both sides of the mounting shaft.

[0011] Preferably, the connecting shaft is embedded inside the mounting shaft, the fixing bolts are embedded inside the fixing holes, and the limiting baffles are arranged on the right side of the fixing bolts.

[0012] Preferably, a locking bolt is provided at the front end of the mounting seat. The locking bolt penetrates through the mounting seat and is embedded inside the hand-held rod.

[0013] Preferably, a positioning bolt is provided at the front end of the mounting sleeve. A threaded hole is provided at the front end of the hand-held rod, and the positioning bolt is embedded inside the threaded hole.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: The adjustable mower cutter head structure not only realizes the function of enhancing the protection effect, realizes the function of being easy to disassemble, but also realizes the function of being easy to adjust;

[0015] (1) By providing a guardrail, a mowing disc, a mounting plate and mounting bolts, when a worker holds the hand-held rod to pick up the mowing disc for mowing, and moves the mowing disc during mowing, the guardrail outside the mowing disc can first explore the mowing area. Once a stone appears in the mowing area, the guardrail can push the stone to one side during the translation process, avoiding the blade touching the stone during mowing. The guardrail can be detachably removed, and only need to unscrew the mounting bolts during disassembly. This structure realizes the function of being easy to enhance the protection effect and reducing the situation of the blade being damaged by stones;

[0016] (2) By providing a cutter head, a mounting shaft, a connecting shaft, fixing bolts, fixing holes and limiting baffles, the cutter head can be detachably removed from the inside of the mowing disc. During disassembly, first rotate and move the limiting baffle to make the limiting baffle disengage from the fixing bolt, then take out the fixing bolt from the inside of the mounting shaft, and then take out the connecting shaft on the cutter head from the inside of the mounting shaft to complete the disassembly. The limiting baffle can reduce the situation of the fixing bolt slipping and loosening. This structure realizes the function of being easy to disassemble;

[0017] (3) By providing a mounting seat, a hand-held rod, a mounting sleeve, a grass guard, a locking bolt and a positioning bolt, the mounting angle between the hand-held rod and the mowing disc can be adjusted. During adjustment, first unscrew the locking bolt, then move the hand-held rod to rotate it to a suitable mounting angle, and then fix and lock the hand-held rod with the locking bolt. After the grass guard is moved to a suitable position on the hand-held rod, it can be fixed with the positioning bolt. This structure realizes the function of being easy to adjust flexibly. Description of the Drawings

[0018] Figure 1It is a front view sectional structure schematic diagram of the present utility model;

[0019] Figure 2 It is a bottom view structure schematic diagram of the mowing disc of the present utility model;

[0020] Figure 3 It is of the present utility model Figure 1 Enlarged structure schematic diagram at position A in;

[0021] Figure 4 It is a front view partial structure schematic diagram of the hand-held rod of the present utility model.

[0022] In the figure: 1, protective fence; 2, mowing disc; 3, cutter disc; 4, support cover; 5, mounting shaft; 6, mounting seat; 7, hand-held rod; 8, mounting sleeve; 9, grass guard; 10, drive motor; 11, blade; 12, mounting plate; 13, mounting bolt; 14, connecting shaft; 15, fixing bolt; 16, fixing hole; 17, limit baffle; 18, locking bolt; 19, positioning bolt. Specific implementation manner

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1: Please refer to Figures 1-4 , An adjustable mowing machine cutting disc structure, including a mowing disc 2, a protective fence 1 is installed outside the mowing disc 2, a drive motor 10 is installed at the top of the mowing disc 2, the output end of the drive motor 10 is fixedly connected to a mounting shaft 5, a cutter disc 3 is installed at the bottom end of the mounting shaft 5, blades 11 are fixedly connected to the outside of the cutter disc 3, a support cover 4 is installed outside the drive motor 10, a mounting seat 6 is fixedly connected to the top of the support cover 4, a hand-held rod 7 is installed inside the mounting seat 6, a mounting sleeve 8 is installed outside the hand-held rod 7, a grass guard 9 is fixedly connected to the bottom end of the mounting sleeve 8, a mounting plate 12 is fixedly connected to the protective fence 1, mounting bolts 13 are arranged on the mounting plate 12, the mounting plate 12 is attached to the outside of the mowing disc 2 and fixed by the mounting bolts 13;

[0025] There are two groups of protective fences 1, the protective fences 1 are installed on the left and right sides of the mowing disc 2, the mounting plate 12 is arc-shaped, and the mounting bolts 13 are embedded in the mowing disc 2 and are in threaded connection;

[0026] Specifically, as shown in Figure 1 and Figure 2As shown in the figure, when mowing the grass, the mowing disc 2 is moved. The guardrail 1 outside the mowing disc 2 can first explore the mowing area. Once a stone appears in the mowing area, the guardrail 1 can push the stone to one side during the translation process to prevent the blade 11 from touching the stone when mowing. The guardrail 1 can be detachably removed. When disassembling, just unscrew the mounting bolt 13.

[0027] Embodiment 2: Six groups of blades 11 are provided. The blades 11 are annularly distributed outside the cutter disc 3. A connecting shaft 14 is fixedly connected to the top end of the cutter disc 3. Fixed holes 16 are provided on both sides of the connecting shaft 14. Fixed bolts 15 are provided on both sides of the mounting shaft 5. Limiting baffles 17 are movably connected to the top ends on both sides of the mounting shaft 5. The connecting shaft 14 is embedded inside the mounting shaft 5, the fixed bolts 15 are embedded inside the fixed holes 16, and the limiting baffles 17 are arranged on the right side of the fixed bolts 15;

[0028] Specifically, as Figure 1 and Figure 3 shown in the figure, when disassembling the cutter disc 3, first rotate and move the limiting baffle 17 so that the limiting baffle 17 is separated from the fixed bolt 15, then take out the fixed bolt 15 from the inside of the mounting shaft 5, and then take out the connecting shaft 14 on the cutter disc 3 from the inside of the mounting shaft 5 to complete the disassembly. The limiting baffle 17 can reduce the occurrence of the fixed bolt 15 slipping and loosening.

[0029] Embodiment 3: A locking bolt 18 is provided at the front end of the mounting seat 6. The locking bolt 18 penetrates through the mounting seat 6 and is embedded inside the hand-held rod 7. A positioning bolt 19 is provided at the front end of the mounting sleeve 8. A threaded hole is provided at the front end of the hand-held rod 7. The positioning bolt 19 is embedded inside the threaded hole;

[0030] Specifically, as Figure 1 and Figure 4 shown in the figure, the installation angle between the hand-held rod 7 and the mowing disc 2 can be adjusted. When adjusting, first unscrew the locking bolt 18, then move the hand-held rod 7 to rotate it to the appropriate installation angle, and then fix and lock the hand-held rod 7 with the locking bolt 18. After the grass guard 9 is moved to the appropriate position on the hand-held rod 7, it can be fixed with the positioning bolt 19.

[0031] Working principle: When the utility model is in use, the driving motor 10 drives the cutter disc 3 to rotate rapidly. The blades 11 outside the cutter disc 3 can rotate rapidly to mow the grassland. When mowing the grass, the mowing disc 2 is moved. The guardrail 1 outside the mowing disc 2 can first explore the mowing area. Once a stone appears in the mowing area, the guardrail 1 can push the stone to one side during the translation process to avoid the blades 11 touching the stone when mowing. The guardrail 1 can be detachably removed. When disassembling, just unscrew the mounting bolts 13. The installation angle between the hand-held rod 7 and the mowing disc 2 is adjustable. When adjusting, first unscrew the locking bolt 18, then move the hand-held rod 7 to rotate it to a suitable installation angle, and then fix and lock the hand-held rod 7 with the locking bolt 18. The grass guard 9 can be fixed with the positioning bolt 19 after moving to a suitable position on the hand-held rod 7. The cutter disc 3 can be detachably removed from the inside of the mowing disc 2. When disassembling, first rotate and move the limit baffle 17 to disengage the limit baffle 17 from the fixing bolt 15, then take out the fixing bolt 15 from the inside of the mounting shaft 5, and then take out the connecting shaft 14 on the cutter disc 3 from the inside of the mounting shaft 5 to complete the disassembly. The limit baffle 17 can reduce the occurrence of the fixing bolt 15 slipping and loosening. This structure realizes the function of being easy to disassemble.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An adjustable cutting disc structure for a lawn mower, comprising a cutting disc (2), characterized in that: A guardrail (1) is installed outside the mowing disc (2). A driving motor (10) is installed at the top of the mowing disc (2). The output end of the driving motor (10) is fixedly connected to a mounting shaft (5). A cutter disc (3) is installed at the bottom end of the mounting shaft (5). Blades (11) are fixedly connected to the outside of the cutter disc (3). A support cover (4) is installed outside the driving motor (10). A mounting seat (6) is fixedly connected to the top of the support cover (4). A hand-held rod (7) is installed inside the mounting seat (6). A mounting sleeve (8) is installed outside the hand-held rod (7). A grass guard (9) is fixedly connected to the bottom end of the mounting sleeve (8). A mounting plate (12) is fixedly connected to the guardrail (1). Mounting bolts (13) are arranged on the mounting plate (12). The mounting plate (12) is attached to the outside of the mowing disc (2) and fixed by the mounting bolts (13).

2. The adjustable mower disc structure according to claim 1, characterized in that: There are two groups of the guardrails (1), and the guardrails (1) are installed on the left and right sides of the mowing disc (2).

3. An adjustable mower disc structure according to claim 1, characterized in that: The mounting plate (12) is arc-shaped, and the mounting bolts (13) are embedded inside the mowing disc (2) for threaded connection.

4. An adjustable mower disc structure according to claim 1, characterized in that: There are six groups of the blades (11), and the blades (11) are annularly distributed outside the cutter disc (3).

5. The adjustable mower disc structure according to claim 1, characterized in that: A connecting shaft (14) is fixedly connected to the top of the cutter disc (3). Fixed holes (16) are arranged on both sides of the connecting shaft (14). Fixed bolts (15) are arranged on both sides of the mounting shaft (5). Limit baffles (17) are movably connected to the top ends on both sides of the mounting shaft (5).

6. An adjustable cutting disc structure of a lawn mower according to claim 5, characterized in that: The connecting shaft (14) is embedded inside the mounting shaft (5). The fixed bolts (15) are embedded inside the fixed holes (16). The limit baffles (17) are arranged on the right side of the fixed bolts (15).

7. An adjustable mower cutting disc structure according to claim 1, characterized in that: A locking bolt (18) is arranged at the front end of the mounting seat (6). The locking bolt (18) penetrates through the mounting seat (6) and is embedded inside the hand-held rod (7).

8. The adjustable mower disc structure according to claim 1, characterized in that: A positioning bolt (19) is arranged at the front end of the mounting sleeve (8). A threaded hole is arranged at the front end of the hand-held rod (7). The positioning bolt (19) is embedded inside the threaded hole.

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