CN110999623A

CN110999623A - Garden mower for preventing blade from curling edge

Info

Publication number: CN110999623A
Application number: CN201911288992.1A
Authority: CN
Inventors: 杨志浩; 赵加来
Original assignee: Yueqing Yiyang Clothing Co Ltd
Current assignee: Yueqing Yiyang Clothing Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-04-14

Abstract

The invention discloses a garden mower for preventing blade edge curling, which comprises a bearing disc, wherein the surface of the bearing disc is provided with a sliding groove, one end of the chute is rotatably connected with two sections of rods, the other end of the chute is connected with a pulley in a sliding way, the side surface of the pulley is fixedly connected with a buffer spring, a bearing block is rotatably connected above the pulley, the other end of the spacing spring is fixedly connected with a cutter head, one side of the cutter head close to the cutter back is fixedly connected with an angle limiting rod, the surface of the cutter head is rotatably connected with a bearing rod, one end of the cutter back, which is far away from the bearing block, is rotatably connected with a movable wheel, the surface of the moving wheel is rotatably connected with a hook rod, a limit spring is arranged inside the limit rod, the garden mower for preventing the blade from curling edges uses the matching of the bearing rod and the spacing spring, thereby achieving the effect of preventing the blade from turning off the motor when the mower meets hard objects.

Description

Garden mower for preventing blade from curling edge

Technical Field

The invention relates to the technical field of gardens, in particular to a garden mower for preventing blades from curling.

Background

Compared with manual weeding, the efficiency of the mower is far ahead, and a large amount of labor force and time are saved in large-area mowing operation.

In the operation of the mower, hard objects can be hidden in the lawn, and a constructor is difficult to see, so that the blade can be collided with the hard objects, the blade can be subjected to edge rolling, in order to prevent the phenomenon, the conventional mower can arrange a pressure sensor on the blade, automatically close a motor when the blade is stressed too much, and then perform mowing operation after the hard objects are cleaned, wherein the mode of closing the motor to prevent the edge rolling of the blade not only reduces mowing efficiency, but also can immediately close the motor when the initial blade collides with the hard objects, but still can generate violent vibration with the hard objects due to inertia, and the violent vibration is transmitted to an internal mechanism of the mower, so that the mower is damaged.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the garden mower for preventing the blade from curling, which has the advantages that the motor does not need to be turned off when the blade is prevented from curling after the mower meets hard objects, the mower cannot be damaged, and the like, and the problems that the motor needs to be turned off when the blade is prevented from curling after the existing mower meets hard objects, and the mower can be damaged are solved.

(II) technical scheme

In order to achieve the purposes that the motor does not need to be turned off and the mower cannot be damaged when the blade is prevented from rolling after the mower encounters hard objects, the invention provides the following technical scheme: a garden mower for preventing blade edge curling comprises a bearing disc, wherein the surface of the bearing disc is provided with a sliding groove, one end of the chute is rotatably connected with two sections of rods, the other end of the chute is connected with a pulley in a sliding way, the side surface of the pulley is fixedly connected with a buffer spring, a bearing block is rotatably connected above the pulley, one side of the bearing block, which is far away from the bearing disc, is rotatably connected with a knife back, one side of the knife back, which is far away from the two-section rod, is fixedly connected with a spacing spring, the other end of the spacing spring is fixedly connected with a cutter head, one side of the cutter head close to the cutter back is fixedly connected with an angle limiting rod, the surface of the cutter head is rotatably connected with a bearing rod, one end of the cutter back, which is far away from the bearing block, is rotatably connected with a movable wheel, the surface of the moving wheel is rotatably connected with a hook rod, the surface of the hook rod is rotatably connected with a limiting rod, and a limiting spring is arranged inside the limiting rod.

Preferably, the inside of spout is provided with the recess that extends to both sides, fixed pulley.

Preferably, one surface of the two-section rod, which is far away from the bearing rod, is provided with a blocking spring, so that the cutter head is prevented from overturning under the resistance of grass.

Preferably, the initial angle of the two-section rod is larger than ninety degrees and smaller than one hundred and eighty degrees, and a rotation allowance of the two-section rod is reserved for the resistance force applied during normal mowing.

Preferably, the other end of the buffer spring is fixedly connected with the part of the two-section rod, which is positioned in the sliding groove.

Preferably, the elastic coefficient of the buffer spring is larger than that of the spacing spring, so that the knife back is firstly overturned and then moves relative to the bearing disc.

Preferably, the side of the hook rod far away from the moving wheel is provided with an arc-shaped tip, so that the hook rod is prevented from slipping on a hard object.

Preferably, the bottom joint of pulley prevents that the pulley from breaking away from the spout in the inside recess of spout.

(III) advantageous effects

Compared with the prior art, the invention provides the garden mower for preventing the blade from curling, which has the following beneficial effects:

1. the garden mower for preventing the blade from curling edges uses the bearing rod and the spacing spring in a matching way, when the mower works, the bearing disc rotates clockwise, the cutter head cuts grass, when hard objects are met, the cutter head is stressed to compress the spacing spring, the bearing rod pushes the two-section rod to bend the two-section rod, the two-section rod is rotatably connected with the chute, the bent two-section rod can pull the cutter back to overturn the cutter back, the angle limiting rod enables the cutter head to overturn synchronously, then under the blocking of the hard objects, the cutter back enables the pulley to compress the buffer spring through the bearing block, the overturned cutter back and the cutter head start to rotate relative to the bearing disc, the movable wheel is contacted with the hard objects, when the mass of the hard objects is small, the hook rod can hook the hard objects along with the rotation of the bearing disc and throw the hard objects out under the action of centrifugal force, then the blocking force of the cutter back starts to restore the initial position under the action of the buffer spring, and the cutter head can restore to be horizontal along with the cutter back under the action of the angle limiting rod, so that the mowing is continued.

When the quantity of the hard substances is too large and the hook rod is difficult to hook, the hook rod can continuously move along the edge of the hard object under the action of the rotation force of the bearing disc, so that the whole mower can continue mowing around the hard object.

The motor does not need to be closed in the whole process, and the cutter head can turn over in time after encountering a hard object, so that the blade rolling phenomenon cannot be caused, and the effect that the motor does not need to be closed when the blade rolling edge is prevented after the mower encounters the hard object is achieved.

2. This a garden mower for preventing blade edge rolling, effect through interval spring and spacing spring, inevitable meeting collides with hard thing when meetting hard thing mowing, specifically be the collision of removing wheel and hard thing, when the hook-stock catches on hard thing, the hook-stock can take place to rotate on removing the wheel under accepting the effect of set pivoted force, the spacing spring is stretched simultaneously in the pulling gag-post, and then shock force when contacting in the twinkling of an eye hook-stock and hard thing turns into spacing spring's tensile force, the effectual degree that has reduced vibrations, prevent the lawn mower by the vibrations damage that produces, thereby reached and met the effect that can not harm the lawn mower when preventing blade edge rolling after hard thing is met to the lawn mower.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is an enlarged view of the surface mechanism of the back of the knife blade according to the present invention;

FIG. 3 is an enlarged view of the joint between the blade back and the movable wheel according to the present invention;

fig. 4 is a side cross-sectional view of a moving wheel of the present invention construction.

In the figure: 1. the device comprises a bearing disc, 2, a knife back, 3, a knife head, 4, an angle limiting rod, 5, a bearing rod, 6, a spacing spring, 7, a two-section rod, 8, a bearing block, 9, a pulley, 10, a buffer spring, 11, a sliding groove, 12, a moving wheel, 13, a hook rod, 14, a limiting rod, 15 and a limiting spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a garden mower for preventing blade edge curling comprises a receiving disc 1, the receiving disc 1 is made of stainless steel, which can effectively prevent equipment from being corroded, greatly prolongs the service life of the equipment, reduces the production cost, and plays an indispensable role for enterprises, a chute 11 is formed in the surface of the receiving disc 1, grooves extending towards two sides are formed in the chute 11, a fixed pulley 9 is fixed, one end of the chute 11 is rotatably connected with a two-section rod 7, the initial angle of the two-section rod 7 is greater than ninety degrees and less than one hundred eighty degrees, a rotation allowance of the two-section rod 7 is reserved for the resistance force applied during normal mowing, a blocking spring is arranged on the side, away from the receiving rod 5, of a cutter head 3 is prevented from turning over when the cutter head is subjected to the resistance force of grass, a pulley 9 is slidably connected to the other end of the chute 11, the bottom of the pulley 9 is clamped in the groove in the chute 11, the pulley 9 is prevented from being separated from the sliding groove 11, the side surface of the pulley 9 is fixedly connected with the buffer spring 10, the elastic coefficient of the buffer spring 10 is greater than that of the spacing spring 6, the knife back 2 is enabled to overturn firstly and then move relative to the bearing disc 1, the other end of the buffer spring 10 is fixedly connected with the part of the two-section rod 7, which is positioned in the sliding groove 11, the upper part of the pulley 9 is rotatably connected with the bearing block 8, one side of the bearing block 8, which is far away from the bearing disc 1, is rotatably connected with the knife back 2, one side of the knife back 2, which is far away from the two-section rod 7, is fixedly connected with the spacing spring 6, the other end of the spacing spring 6 is fixedly connected with the knife head 3, the knife head 3 is made of stainless steel, equipment can be effectively prevented from being corroded, the service life of the equipment is greatly prolonged, the production cost is reduced, an indispensable, the surface of tool bit 3 rotates and is connected with the receiving rod 5, and the one end that the back of a knife blade 2 kept away from receiving block 8 rotates and is connected with and removes wheel 12, and the surface that removes wheel 12 rotates and is connected with hooked pole 13, and one side that the wheel 12 was kept away from to hooked pole 13 sets into the arc pointed end, prevents that hooked pole 13 from skidding on hard thing, and the surface of hooked pole 13 rotates and is connected with gag lever post 14, and the inside of gag lever post 14 is provided with spacing spring 15.

When the mower works, the bearing disc 1 rotates clockwise, the cutter head 3 cuts grass, when hard objects are met, the cutter head 3 is stressed to compress the spacing spring 6, the bearing rod 5 pushes the two-section rod 7 to bend the two-section rod 7, the two-section rod 7 is rotatably connected with the sliding groove 11, the bent two-section rod 7 can pull the cutter back 2 to enable the cutter back 2 to turn over, the angle limiting rod 4 enables the cutter head 3 to turn over synchronously, then under the blocking of the hard objects, the cutter back 2 enables the pulley 9 to compress the buffer spring 10 through the bearing block 8, the turned cutter back 2 and the cutter head 3 start to rotate relative to the bearing disc 1, the movable wheel 12 is in contact with the hard objects, when the mass of the hard objects is small, the hook rod 13 hooks the hard objects along with the rotation of the bearing disc 1 and throws the hard objects out under the action of centrifugal force, then the cutter back 2 loses the blocking force and starts to recover to the initial position under the action of the buffer spring 10, and the cutter head 3 can restore to be horizontal along with the cutter back 2 under the action of the angle limiting rod 4, and the mowing process is continued.

When the amount of the hard substance is too large and the hook rod 13 is difficult to hook, the hook rod 13 can continuously move along the edge of the hard object under the action of the rotating force of the bearing disc 1, and the whole mower can continue to mow around the hard object.

The motor does not need to be closed in the whole process, and the cutter head 3 can be timely turned over after encountering a hard object, so that the blade rolling phenomenon cannot be caused, and the effect that the motor does not need to be closed when the blade rolling edge is prevented after the mower encounters the hard object is achieved.

When the mower is used for mowing hard objects, the mower can collide with the hard objects inevitably, specifically, the mower can collide the moving wheel 12 with the hard objects, when the hook rod 13 hooks the hard objects, the hook rod 13 can rotate on the moving wheel 12 under the action of the rotating force of the bearing disc 1, the limiting rod 14 is pulled and simultaneously stretches the limiting spring 15, and then the vibration force generated when the hook rod 13 is in instant contact with the hard objects is converted into the stretching force of the limiting spring 15, so that the vibration degree is effectively reduced, the mower is prevented from being damaged by generated vibration, and the effect that the mower cannot be damaged when the blade edge of the mower is prevented from being rolled after the mower meets the hard objects is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A garden mower for preventing blade edge curling, comprising a receiving disc (1), characterized in that: the surface of the bearing disc (1) is provided with a sliding groove (11), one end of the sliding groove (11) is rotatably connected with two-section rods (7), the other end of the sliding groove (11) is connected with a pulley (9) in a sliding manner, the side surface of the pulley (9) is fixedly connected with a buffer spring (10), a bearing block (8) is rotatably connected above the pulley (9), one side, away from the bearing disc (1), of the bearing block (8) is rotatably connected with a knife back (2), one side, away from the two-section rods (7), of the knife back (2) is fixedly connected with an interval spring (6), the other end of the interval spring (6) is fixedly connected with a knife head (3), one side, close to the knife back, of the knife head (3) is fixedly connected with an angle limiting rod (4), the surface of the knife head (3) is rotatably connected with a bearing rod (5), one end, away from the bearing block (8), of the knife, the surface of the moving wheel (12) is rotatably connected with a hook rod (13), the surface of the hook rod (13) is rotatably connected with a limiting rod (14), and a limiting spring (15) is arranged inside the limiting rod (14).

2. The garden mower for preventing blade edge curling of claim 1, wherein: the inside of spout (11) is provided with the recess that extends to both sides.

3. The garden mower for preventing blade edge curling of claim 1, wherein: and a blocking spring is arranged on one surface of the two-section rod (7) far away from the bearing rod (5).

4. The garden mower for preventing blade edge curling of claim 1, wherein: the initial angle of the two-section rod (7) is greater than ninety degrees and less than one hundred and eighty degrees.

5. The garden mower for preventing blade edge curling of claim 1, wherein: the other end of the buffer spring (10) is fixedly connected with the part of the two-section rod (7) in the sliding groove (11).

6. The garden mower for preventing blade edge curling of claim 1, wherein: the elastic coefficient of the buffer spring (10) is larger than that of the spacing spring (6).

7. The garden mower for preventing blade edge curling of claim 1, wherein: the side of the hook rod (13) far away from the moving wheel (12) is arranged into an arc-shaped tip.

8. The garden mower for preventing blade edge curling of claim 1, wherein: the bottom of the pulley (9) is clamped in a groove in the sliding groove (9).