CN219938972U

CN219938972U - Mower with anti-jamming function

Info

Publication number: CN219938972U
Application number: CN202320590430.8U
Authority: CN
Inventors: 林栩好; 张留科
Original assignee: Taizhou Sentian Machinery Co ltd
Current assignee: Taizhou Sentian Machinery Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-11-03
Anticipated expiration: 2033-03-23

Abstract

The utility model provides a mower with a clamping stagnation prevention function, which comprises a holding rod, a protective cover, a cutter head and a motor, wherein the protective cover is arranged at one end of the holding rod, the cutter head is rotatably arranged at the bottom of the protective cover, the motor is used for driving the cutter head to rotate on the protective cover, a blade is rotatably arranged on the cutter head, and a rotation limiting reset structure for driving the blade to rotate and reset on the cutter head is arranged on the cutter head. The utility model provides a mower with a clamping stagnation prevention function, which can ensure normal cutting of grass by a blade through the blade and a rotation limiting reset structure, and can enable the blade to be rotationally retracted below a cutter head to avoid the obstacle when the blade encounters the obstacle, so that the clamping stagnation of the blade and the cutter head is reduced, and the normal mowing operation is ensured.

Description

Mower with anti-jamming function

Technical Field

The utility model relates to the technical field of mowers, in particular to a mower with a clamping stagnation prevention function.

Background

The mower is also called a weeder, a lawnmower, a lawn trimmer and the like. The mower is a mechanical tool for trimming lawn, vegetation, etc. and consists of cutter, engine, walking wheel, walking mechanism, blade, armrest and control part.

The blade on the existing mower is fixedly arranged on the cutter head, and when the mower encounters stones or harder tree roots in the lawn trimming process, the blade collides with the stones or harder tree roots, so that jamming and even shutdown can occur.

Disclosure of Invention

Based on the technical problems in the background technology, the utility model provides a mower with a clamping stagnation prevention function.

The utility model provides a mower with a clamping stagnation prevention function, which comprises a holding rod, a protective cover, a cutter head and a motor, wherein the protective cover is arranged at one end of the holding rod, the cutter head is rotatably arranged at the bottom of the protective cover, the motor is used for driving the cutter head to rotate on the protective cover, a blade is rotatably arranged on the cutter head, and a rotation limiting reset structure for driving the blade to rotate and reset on the cutter head is arranged on the cutter head.

Preferably, one end of the blade is rotatably mounted on the bottom surface of the cutter disc, the axis of rotation of the blade is not coincident with the circumferential direction of the rotation of the cutter disc, the other end of the blade extends to the outer periphery of the cutter disc, and a positioning and mounting structure is arranged between the cutter disc and the blade.

Preferably, the positioning and mounting structure comprises a mounting column, a screw and a positioning column; one end of the blade is rotatably sleeved on the mounting column, the screw penetrates through the mounting column to be in threaded connection with the bottom surface of the cutter head, one end of the positioning column is connected with the side surface of the mounting column, and a positioning hole matched with the other end of the positioning column is formed in the bottom surface of the cutter head.

Preferably, the rotation limiting reset structure comprises a sliding block, a limiting sliding rod, a reset spring and a dismounting assembly; the cutter head is characterized in that an arc-shaped groove in sliding fit with the sliding block is formed in the bottom surface of the cutter head, the limiting sliding rod is arranged in the arc-shaped groove, the sliding block is sleeved on the limiting sliding rod in a sliding mode, the reset spring is sleeved on the limiting sliding rod, and two ends of the reset spring respectively lean against the inner walls of the end portions of the sliding block and the arc-shaped groove.

Preferably, the dismounting component comprises a T-shaped piece, a clamping block and an ejection spring; the T-shaped part is connected to the blade, the sliding block is provided with a mounting groove, the inner wall of the mounting groove is provided with a storage groove capable of storing the clamping block, the ejection spring is positioned in the storage groove, and two ends of the ejection spring respectively lean against the inner wall of the clamping block and the storage groove.

Preferably, the mounting groove is T-shaped in cross-section.

The utility model has the following beneficial effects: through the blade that sets up and limit change reset structure, can be when ensureing that the blade meets the barrier to the normal cutting of grass, can make the blade rotate the below that contracts to the blade disc and keep away the barrier to reduce the blade and the condition that the blade disc appears the jamming, ensure the normal work of mowing.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a mower with anti-jamming function according to the present utility model;

FIG. 2 is a view showing the position of a blade in a mower with anti-jamming function according to the present utility model when the blade encounters an obstacle;

FIG. 3 is a schematic view of a slider in an arc-shaped groove of a mower with anti-jamming function according to the present utility model;

FIG. 4 is a cross-sectional view illustrating the installation of a cutter head and a blade in a mower with anti-jamming function according to the present utility model;

FIG. 5 is a schematic view of a blade in a mower with anti-jamming function according to the present utility model;

FIG. 6 is a cross-sectional view of a slider in a mower with anti-jamming function according to the present utility model;

fig. 7 is a schematic structural diagram of a mounting post and a positioning post in a mower with anti-jamming function according to the present utility model.

In the figure: 1. a grip; 2. a protective cover; 3. a cutterhead; 4. a blade; 5. a mounting column; 6. a screw; 7. positioning columns; 8. a slide block; 9. a limit slide bar; 10. a return spring; 11. an arc-shaped groove; 12. a T-piece; 13. a clamping block; 14. and (5) ejecting a spring.

Detailed Description

Referring to fig. 1-7, the utility model provides a mower with anti-jamming function, which comprises a holding rod 1, a protective cover 2, a cutter head 3 and a motor, wherein:

the protection casing 2 is installed in the one end of holding pole 1, cutter disc 3 rotates the bottom of installing at protection casing 2, the motor is used for driving cutter disc 3 and rotates on protection casing 2, cutter disc 3 is last to rotate and is installed blade 4, install the limit that drive blade 4 rotated on cutter disc 3 and reset the structure that resets on cutter disc 3. The rotation limiting reset structure comprises a sliding block 8, a limiting sliding rod 9, a reset spring 10 and a dismounting assembly; the bottom surface of the cutterhead 3 is provided with an arc groove 11 in sliding fit with the sliding block 8, the limiting sliding rod 9 is arranged in the arc groove 11, the sliding block 8 is sleeved on the limiting sliding rod 9 in a sliding manner, the limiting sliding rod 9 is sleeved with a reset spring 10, and two ends of the reset spring 10 respectively lean against the inner walls of the end parts of the sliding block 8 and the arc groove 11

When cutting operation is carried out, the staff can grasp the holding rod 1 to lift the cutter disc 3 and the protective cover 2, work through the motor drives the cutter disc 3 to rotate, the cutter disc 3 drives the three blades 4 to rotate, the blades 4 carry out cutting operation on lawns, when the blades 4 collide with stones on the ground or stump harder on the ground, when the collision force is overlarge, one end of the blades 4 rotates on the bottom surface of the cutter disc 3, the blades 4 drive the sliding block 8 to slide in the arc-shaped groove 11 and squeeze the reset spring 10, the reset spring 10 plays a buffering role, the blades 4 can rotate on the cutter disc 3, the length of the blades 4 extending to the periphery of the cutter disc 3 is gradually shortened, stones or stumps are avoided, and when obstacles are avoided, the reset spring 10 plays a role in pushing the sliding block 8 and the blades 4 to rotate and reset. When normal grass is cut, the slider 8 can be acted by the return spring 10, and when the impact force of the blade 4 and the grass does not exceed the acting force of the return spring 10, the normal cutting of the grass can be ensured. The limit slide bar 9 can limit the sliding position of the slide block 8 and can limit the position of the reset spring 10.

In a specific embodiment, one end of the blade 4 is rotatably mounted on the bottom surface of the cutterhead 3, the axis of rotation of the blade 4 is not coincident with the circumferential direction of rotation of the cutterhead 3, the other end of the blade 4 extends to the outer periphery of the cutterhead 3, and a positioning and mounting structure is arranged between the cutterhead 3 and the blade 4. The blade 4 ensures that it can be retracted to the bottom surface of the cutterhead 3 while rotating, thereby achieving obstacle avoidance.

In a specific embodiment, the positioning and mounting structure comprises a mounting column 5, a screw 6 and a positioning column 7; one end of the blade 4 is rotatably sleeved on the mounting column 5, the screw 6 penetrates through the mounting column 5 to be in threaded connection with the bottom surface of the cutter head 3, one end of the positioning column 7 is connected with the side surface of the mounting column 5, and a positioning hole matched with the other end of the positioning column 7 is formed in the bottom surface of the cutter head 3. The end of the blade 4 is mounted to be in a rotatable fit with the mounting post 5, and the rotation of the mounting post 5 is restricted by the positioning post 7, so that the mounting firmness of the screw 6 can be ensured.

In a specific embodiment, the dismounting component comprises a T-shaped piece 12, a clamping block 13 and an ejection spring 14; the T-shaped part 12 is connected to the blade 4, the sliding block 8 is provided with a mounting groove, the inner wall of the mounting groove is provided with a storage groove capable of storing the clamping block 13, the ejection spring 14 is positioned in the storage groove, and two ends of the ejection spring 14 respectively lean against the inner wall of the clamping block 13 and the storage groove. The shape of the T-shaped piece 12 is as shown in fig. 5, the top surface of the clamping block 13 is an inclined surface, when the T-shaped piece 12 is inserted, the T-shaped piece 12 can be conveniently inserted and installed through the cooperation of the inclined surface, and the moving direction of the clamping block 13 is perpendicular to the rotating direction of the blade 4.

In a specific embodiment, the mounting groove is T-shaped in cross-section. When the blade 4 is replaced, the mounting column 5 at the end part of the blade 4 can be detached firstly, the blade 4 can be rotated for ninety degrees, the T-shaped piece 12 can be rotated to be parallel to a crack between the two clamping blocks 13, then the T-shaped piece 12 is lifted, the transverse section of the T-shaped piece 12 enters the crack between the two clamping blocks 13, then the blade 4 is rotated, the T-shaped piece 12 is driven to rotate to jack the two clamping blocks 13, the T-shaped piece 12 is rotated to be coincident with an opening of the mounting groove, the T-shaped piece 12 can be taken out, the blade 4 can be detached, replacement is carried out, and the mounting and dismounting are convenient.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a lawn mower with anti-sticking stagnates function, its characterized in that includes holding rod (1), protection casing (2), blade disc (3) and motor, the one end at holding rod (1) is installed to protection casing (2), the bottom at protection casing (2) is installed in blade disc (3) rotation, the motor is used for driving blade disc (3) to rotate on protection casing (2), blade (4) are installed in the rotation on blade disc (3), install the limit that drive blade (4) rotated on blade disc (3) and reset the structure.

2. The mower with the anti-jamming function according to claim 1, wherein one end of the blade (4) is rotatably mounted on the bottom surface of the cutter head (3), the rotating axis of the blade (4) is not coincident with the rotating circumference of the cutter head (3), the other end of the blade (4) extends to the outer periphery of the cutter head (3), and a positioning and mounting structure is arranged between the cutter head (3) and the blade (4).

3. The mower with the anti-jamming function according to claim 2, wherein the positioning and mounting structure comprises a mounting post (5), a screw (6) and a positioning post (7); one end of the blade (4) is rotationally sleeved on the mounting column (5), the screw (6) penetrates through the mounting column (5) to be in threaded connection with the bottom surface of the cutter head (3), one end of the positioning column (7) is connected with the side surface of the mounting column (5), and a positioning hole matched with the other end of the positioning column (7) is formed in the bottom surface of the cutter head (3).

4. The mower with the anti-jamming function according to claim 1, wherein the rotation limiting and resetting structure comprises a sliding block (8), a limiting sliding rod (9), a resetting spring (10) and a dismounting assembly; the cutter head is characterized in that an arc-shaped groove (11) which is in sliding fit with the sliding block (8) is formed in the bottom surface of the cutter head (3), the limiting sliding rod (9) is arranged in the arc-shaped groove (11), the sliding block (8) is arranged on the limiting sliding rod (9) in a sliding sleeved mode, the limiting sliding rod (9) is sleeved with the reset spring (10), and two ends of the reset spring (10) respectively lean against the inner walls of the end portions of the sliding block (8) and the arc-shaped groove (11).

5. The mower with the anti-jamming function according to claim 4, wherein the dismounting assembly comprises a T-shaped piece (12), a clamping block (13) and an ejection spring (14); the T-shaped part (12) is connected to the blade (4), a mounting groove is formed in the sliding block (8), a storage groove capable of storing the clamping block (13) is formed in the inner wall of the mounting groove, the ejection spring (14) is located in the storage groove, and two ends of the ejection spring (14) respectively abut against the clamping block (13) and the inner wall of the storage groove.

6. The mower with anti-jamming function according to claim 5, wherein the mounting groove is T-shaped in cross-section.