CN204482379U

CN204482379U - Mower protection device

Info

Publication number: CN204482379U
Application number: CN201520129114.6U
Authority: CN
Inventors: 林弘勋
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-07-28
Filing date: 2015-03-06
Publication date: 2015-07-22
Anticipated expiration: 2025-03-06
Also published as: JP3197499U; TWM488849U

Abstract

The utility model relates to a mower protection device, which is mainly provided with a protection part, wherein the protection part is provided with an inner frame, the inner frame is assembled at the outer end of a gear box of a backpack mower, an outer frame is arranged outside the inner frame correspondingly, the distance between the inner frame and the outer frame is greater than the length of a cutting part of the backpack mower, and a support part is connected between the inner frame and the outer frame; therefore, the cutting piece can be prevented from being touched and cut by trees or other hard objects, the tree cutting piece not only can protect the trees and prevent the trees from being damaged and dead, but also can protect the cutting piece and avoid the damage of the cutting piece, and the practical convenience can be increased in the whole implementation and use.

Description

Mower protection device

Technical Field

The present invention relates to a mower protection device, and more particularly to a mower protection device capable of preventing a cutting member of a mower from touching and cutting trees or other hard objects.

Background

The greening living environment is a ring that people seek to be closer to the nature, so that in addition to planting green trees, a plurality of greenbelts are arranged on a common park, school and golf course, grass planting on the greenbelts gradually grows up along with time, so that after a period of time, the grass is required to be trimmed, and due to the fact that the grass planting on the greenbelts is large in area, grass trimming operation is generally carried out through various grass trimmers.

Common lawn mowers can be divided into backpack type, hand-push type, riding type and the like; the backpack mower is a handheld device, which mainly uses an engine as a power source, transmits the rotating power to a turntable at the front end of a connecting rod through a transmission member when the engine runs, and uses a cutting member such as a blade or a grass cutting rope mounted on the turntable to rotate at a high speed to cut grass.

However, although the above-mentioned backpack lawn mower can achieve the expected effect of trimming grass, it is found in practical operation and use that no matter what kind of cutting member is used as a blade or a mowing rope, the cutting member is exposed and has no protection design outside the cutting member, so that when the backpack lawn mower moves to the periphery of a tree to trim grass, the cutting member often directly cuts the skin of the tree, causing damage or even death of the tree, and if the backpack lawn mower moves to the periphery of a hard object (such as a wall, a stone, etc.) to trim grass, the cutting member often collides with the hard object directly, causing damage of the cutting member, and thus, there is still room for improvement in the overall structure design.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a lawn mower protector, its gear box that corresponds backpack lawn mower is equipped with protector, utilize the distance between this protector's internal frame and frame to be greater than the length of this cutting piece, make and to prevent that this cutting piece from touching the cutting with trees or other hard things, can not only have the guard action to trees, prevent that trees from suffering the damage death, and also can have the protection efficiency to this cutting piece simultaneously, avoid cutting piece to damage, and more increase practical efficiency characteristic in its whole implementation use.

The utility model discloses lawn mower protector's purpose and efficiency are reached by following specific technological means:

the utility model discloses lawn mower protector includes the protection piece, and this protection piece is equipped with the internal frame, and this internal frame is connected in backpack lawn mower's gear box outer end, corresponds this internal frame and is equipped with outer frame outward, and the distance between this internal frame and frame is greater than the length of this backpack lawn mower's cutting member, and this internal frame links between frame and frame and is equipped with support piece.

The utility model discloses lawn mower protection device's preferred embodiment, wherein, this support piece is for having elastic support piece.

The utility model discloses lawn mower protector's preferred embodiment, wherein, this support piece is circular framework.

The utility model discloses lawn mower protector's preferred embodiment, wherein, this lawn mower protector is equipped with the fixing base, and this fixing base is connected and is combined in backpack lawn mower's gear box bottom, and this protection piece combines fixedly through the setting element connection that passes the built-up portion that the internal frame set up with the fixing base.

The utility model discloses a preferred embodiment of mower protection device, wherein, this mower protection device further includes the mounting, the adjusting part and a plurality of locking part, this mounting is equipped with fixed plate and locating plate, this fixed plate and locating plate are connected, this fixed plate has the contained angle with the locating plate, this locating plate forms an opening in its middle, this opening both sides form the group founding portion, be equipped with the spout respectively on these two groups founding portion, this fixed plate both sides department respectively is equipped with the lockhole, this backpack mower's gear box is connected with one and is rather than the action bars that the inclination was established, be connected with the slider on this action bars, be equipped with the lockhole on this slider, the lockhole on this slider corresponds with the lockhole on this fixed plate both sides; the two sides of the adjusting part are respectively formed with a guide plate, one end of each of the two guide plates is concavely folded with a group of vertical sheets, the two group of vertical sheets are respectively abutted against two groups of vertical parts of the positioning plate of the fixing part, the group of vertical sheets are provided with lock holes, the lock holes on the two group of vertical sheets are respectively corresponding to the upper slide grooves of the two groups of vertical parts of the positioning plate of the fixing part, the two guide plates are connected by a connecting plate, an open interval is formed between the two guide plates and the connecting plate, the gear box of the backpack mower is positioned in the open interval, at least one of the two guide plates and the connecting plate is provided with a lock hole, the inner frame of the protecting part is provided with a group connecting part, the group connecting part is provided with a lock hole, and the lock hole on the group connecting part is corresponding to the lock hole of the guide plate and the; the locking pieces are respectively arranged in the locking holes on two sides of the fixing piece in a penetrating way and the locking holes of the sliding block on the operating rod of the backpack mower, the upper sliding chutes of two groups of vertical parts of the positioning plate of the fixing piece and the upper locking holes of the assembling pieces of the guide plates on two sides of the adjusting piece, and the locking holes of the adjusting piece at least one of the guide plates and the connecting plate on two sides of the adjusting piece and the locking holes of the assembling part of the protecting piece.

The utility model discloses lawn mower protector's preferred embodiment, wherein, the contained angle that is the utensil between the fixed plate of this mounting and locating plate is corresponding with the contained angle between the gear box of this backpack lawn mower and the action bars that are connected with this gear box.

The utility model discloses lawn mower protector's preferred embodiment, wherein, the contained angle that is utensil between the fixed plate of this mounting and locating plate is 60 degrees.

The utility model discloses can prevent that the cutting member of lawn mower and trees or other hard things from touching the cutting, can not only have the guard action to trees, prevent trees from suffering the damage death, and also can have the protection efficiency to this cutting member simultaneously, avoid the cutting member to damage, and more increase practical efficiency characteristic in its whole implementation and use.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein,

fig. 1 is a schematic perspective exploded view of the present invention;

FIG. 2 is a schematic view of the three-dimensional assembly structure of the present invention;

fig. 3 is a schematic view of the top-view assembly of the present invention;

FIG. 4 is a schematic view of the partial sectional structure of the present invention;

fig. 5 is a schematic view of the usage state of the present invention;

fig. 6 is an exploded perspective view of the present invention;

fig. 7 is a perspective view of the present invention;

fig. 8 is a side view of the present invention;

fig. 9 is a perspective view of the present invention in an adjusted state;

fig. 10 is a side view of the adjustment state of the present invention.

The reference numbers illustrate:

1 backpack mower 11 gear box

12 cutting member 13 operating lever

14 slider 141 locking hole

2 protective member 21 inner frame

211 assembling part 212 positioning piece

213 outer frame of the lock hole 22

23 support 24 fixing seat

3 fixing part 31 fixing plate

311 lock hole 32 positioning plate

321 opening 322 assembling part

323 chute 4 adjustment

41 guide plate 411 assembling sheet

412 lock hole 42 connecting plate

43 open space 44 lock hole

5 locking part

Detailed Description

Firstly, please refer to fig. 1 to 4, the backpack mower of the present invention mainly comprises a gear box 11, a turntable pivoted in the gear box 11 for providing a cutting element 12, which is a blade or a grass cutting rope, and a protection element 2 assembled on the gear box 11; wherein:

the guard 2 is provided with an inner frame 21, the inner frame 21 is assembled at the outer end of the gear box 11 of the backpack mower 1, an outer frame 22 is arranged outside the inner frame 21, the distance between the inner frame 21 and the outer frame 22 is larger than the length of the cutting element 12 of the backpack mower 1, a support 23 is connected between the inner frame 21 and the outer frame 22, the support 23 can have an elastic design, the support 23 is arranged to be a circular frame, so that the outer frame 22 can have compression elasticity, a fixing seat 24 is arranged corresponding to the gear box 11 of the backpack mower 1, the fixing seat 24 is assembled and combined at the bottom end of the gear box 11 of the backpack mower 1, and the guard 2 and the fixing seat 24 are assembled and fixed by a positioning element 212 through an assembling part 211 arranged on the inner frame 21.

Therefore, in the operation of the present invention, please refer to fig. 5, which shows a schematic view of the usage status of the present invention, when the backpack mower 1 drives the cutting element 12 to trim grass, if it is close to trees or other hard objects, the gear box 11 of the backpack mower 1 is assembled with the protection element 2, and the distance between the inner frame 21 and the outer frame 22 of the protection element 2 is greater than the length of the cutting element 12, so that the outer frame 22 of the protection element 2 will contact with trees or other hard objects first, and the cutting element 12 will not touch and cut trees or other hard objects, thereby having a protection effect.

In addition, the supporting members 23 are connected between the inner frame 21 and the outer frame 22 of the protection member 2, and the supporting members 23 may have an elastic design, so that when the outer frame 22 touches trees or other hard objects, the outer frame 22 can have a compression elasticity through the supporting members 23, thereby preventing the outer frame 22 from being deformed and damaged.

Furthermore, when the utility model discloses a lawn mower protector is implemented in the cutting height when long careless, discovers if the protection piece 2 is located and is close to cutting member 12 position department, protection piece 2 can support to push away in the harder position of the long grass bottom side stem, and pushes away the long grass of height earlier, and at this moment, also can the hypsokinesis to be the form of piling up rather than adjacent long grass of height, and causes this backpack lawn mower 1 to be difficult to the situation of pushing forward, hinders cutting member 12 cutting weeds situation. Therefore, the present invention further designs a structure capable of adjusting the height of the protection member 2, please refer to fig. 6 to 8, which is another embodiment of the mower protection device of the present invention, the present invention further comprises a fixing member 3 and an adjusting member 4, so that the protection member 2 is assembled with the fixing member 3 through the adjusting member 4, and the protection member 2, the fixing member 3 and the adjusting member 4 are locked together by a locking member 5; wherein:

the fixing member 3 is provided with a fixing plate 31 and a positioning plate 32, the fixing plate 31 and the positioning plate 32 are integrally connected, an included angle theta between the fixing plate 31 and the positioning plate 32 is about 60 degrees, so as to correspond to the included angle between the gear box 11 of the backpack mower 1 and the operating rod 13 connected with the gear box 11, an opening 321 is formed at the middle of the positioning plate 32, assembling parts 322 are formed at two sides of the opening 321, sliding grooves 323 are respectively arranged on the two assembling parts 322, and locking holes 311 are respectively arranged at two sides of the fixing plate 31;

the adjusting member 4, both sides of which are formed with guide plates 41, and one end of the guide plates 41 on both sides of which are folded with 90-degree assembling pieces 411, respectively, to abut against two sets of upright parts 322 of the positioning plate 32 of the fixing member 3, and the assembling pieces 411 are provided with locking holes 412, so as to correspond to the sliding grooves 323 on the two sets of upright parts 322 of the positioning plate 32 of the fixing member 3, and are connected by a connecting plate 42 between the two guide plates 41, so that an open section 43 is formed between the two guide plates 41 and the connecting plate 42, so that the gear box 11 of the backpack mower 1 is positioned in the open section 43, and at least one of the two guide plates 41 and the connecting plate 42 is provided with a locking hole 44 at a proper position, and the locking hole 44 of the adjusting member 4 positioned at least one of the two guide plates 41 and the connecting plate 42 corresponds to the assembling part 211 hole 213 of the inner frame 21 of the protection member 2;

the utility model discloses be equipped with a plurality of locking parts 5, make the lockhole 311 of its fixed plate 31 both sides of this mounting 3 corresponding with its lockhole 141 of slider 14 that a sliding group locates on its action bars 13 of this backpack lawn mower 1, for locking part 5 wears to establish the lock and connects, make on the two sets of parts 322 of its locating plate 32 of this mounting 3 spout 323 corresponding with the locking hole 412 on the assemblage piece 411 of the baffle 41 of its both sides of adjusting part 4 again, wear to establish the lock and connect with locking part 5, make on this adjusting part 4 lie in the lockhole 44 of at least one of these two baffles 41 and tie plate 42 corresponding with the fashioned lockhole 213 on the assemblage portion 211 of its inner frame 21 of this protecting part 2 in addition, wear to establish the lock and connect with locking part 5.

Therefore, when the cutting element 12 of the backpack mower 1 is about to cut tall grass, the user can adjust the protection element 2 to a higher position relative to the cutting element 12 to avoid the situation that the protection element 2 pushes against the hard part of the stem at the bottom side of the tall grass. When the user wants to adjust the height of the protection member 2, please refer to fig. 9 and 10, the locking member 5 locked in the sliding slots 323 on the two sets of vertical parts 322 of the positioning plate 32 of the fixing member 3 and the locking holes 412 on the set pieces 411 of the guide plate 41 on both sides of the adjustment member 4 is loosened, so that the adjustment member 4 can move relative to the fixing member 3, the protection member 2 locked to the adjustment member 4 moves upward along the gear box 11 of the lawn mower 1, and after the protection member 2 is adjusted to a proper height, the locking member 5 locked on the positioning plate 32 of the adjustment member 4 and the fixing member 3 can be fixed in position, so that when cutting tall and long grass, the protection member 2 can be pushed against the upper leaves and soft stems of the tall and long grass, and the cutting member 12 of the lawn mower 1 can cut the hard stems at the bottom of the tall and long grass to cut the tall and long grass. Furthermore, when the short grass is to be cut, the protection part 2 is touched to the upper leaves and soft stems of the short grass, so that the short grass can be cut smoothly without adjusting the height of the protection part 2.

The foregoing is merely an illustrative embodiment of the present invention and is not intended to limit the scope of the invention. Any person skilled in the art should understand that they can make equivalent changes and modifications without departing from the principle and concept of the present invention.

Claims

1. The mower protection device is characterized by comprising a protection part, wherein the protection part is provided with an inner frame, the inner frame is connected to the outer end of a gear box of the backpack mower, an outer frame is arranged outside the inner frame correspondingly, the distance between the inner frame and the outer frame is larger than the length of a cutting element of the backpack mower, and a support part is connected between the inner frame and the outer frame.

2. The mower guard of claim 1, wherein said support member is a resilient support member.

3. The mower guard of claim 2, wherein said support member is a circular frame.

4. A mower guard according to claim 1 wherein said mower guard is provided with a mounting bracket which is connectively coupled to the bottom end of the gear housing of the backpack mower, said guard being connectively coupled to and secured to said mounting bracket by a locating member of an attachment portion provided through the inner frame.

5. The mower protection device according to claim 1, further comprising a fixing member, an adjusting member and a plurality of locking members, wherein the fixing member comprises a fixing plate and a positioning plate, the fixing plate and the positioning plate are connected, an included angle is formed between the fixing plate and the positioning plate, the positioning plate forms an opening in the middle of the fixing plate, two sides of the opening form two sets of standing parts, the two sets of standing parts are respectively provided with a sliding groove, two sides of the fixing plate are respectively provided with a locking hole, a gear box of the backpack mower is connected with an operating rod which is arranged at an inclined angle with the gear box, the operating rod is connected with a sliding block, the sliding block is provided with a locking hole, and the locking hole on the sliding block corresponds to the locking hole on the two sides of the fixing; the two sides of the adjusting part are respectively formed with a guide plate, one end of each of the two guide plates is concavely folded with a group of vertical sheets, the two group of vertical sheets are respectively abutted against two groups of vertical parts of the positioning plate of the fixing part, the group of vertical sheets are provided with lock holes, the lock holes on the two group of vertical sheets are respectively corresponding to the upper slide grooves of the two groups of vertical parts of the positioning plate of the fixing part, the two guide plates are connected by a connecting plate, an open interval is formed between the two guide plates and the connecting plate, the gear box of the backpack mower is positioned in the open interval, at least one of the two guide plates and the connecting plate is provided with a lock hole, the inner frame of the protecting part is provided with a group connecting part, the group connecting part is provided with a lock hole, and the lock hole on the group connecting part is corresponding to the lock hole of the guide plate and the; the locking pieces are respectively arranged in the locking holes on two sides of the fixing piece in a penetrating way and the locking holes of the sliding block on the operating rod of the backpack mower, the upper sliding chutes of two groups of vertical parts of the positioning plate of the fixing piece and the upper locking holes of the assembling pieces of the guide plates on two sides of the adjusting piece, and the locking holes of the adjusting piece at least one of the guide plates and the connecting plate on two sides of the adjusting piece and the locking holes of the assembling part of the protecting piece.

6. The mower guard of claim 5, wherein the mounting plate of the mounting member is angled relative to the retaining plate at an angle corresponding to an angle between a gear box of the backpack mower and an operating lever coupled to the gear box.

7. The mower guard of claim 5, wherein the mounting plate of the anchor member is angled at 60 degrees from the positioning plate.