CN219660424U - Adjustable mower head and mower - Google Patents

Abstract

The utility model discloses an adjustable mower head and a mower, comprising a head and a fixed ring, wherein the fixed ring is arranged above the head, a fixed column is vertically arranged on the top surface of the head, the upper end of the fixed column extends to the center of the fixed ring, a connecting rod is arranged between the fixed column and the fixed ring, an arc-shaped opening penetrating the fixed ring is arranged on the outer ring surface of the fixed ring, an adjusting block is slidably arranged in the arc-shaped opening, cross bars are arranged on the outer side surfaces of the adjusting block, a plurality of screw holes are arranged on the bottom surface of the cross bars, studs are connected in the screw holes in a threaded manner, and pushing rods are vertically arranged at the lower ends of the studs. The utility model has simple structure, the hard object in front of the machine head can be outwards pulled out through the pushing rod, the damage caused by the contact of the blade on the machine head and the hard object is avoided, the pushing rod can be disassembled, the length of the pushing rod can be adjusted, and the bottom of the pushing rod can be close to the ground after the machine head is lifted, so that the hard object on the ground can be pushed away.

Description

Adjustable mower head and mower

Technical Field

The utility model relates to the technical field of mowers, in particular to an adjustable mower head and a mower.

Background

The green living environment is a ring for people to pursue more closely to the nature, so that a common park, school and even golf course are provided with a plurality of greensward greens besides planting a plurality of green trees, grass planting on the greensward is gradually long and high along with time, so that trimming is necessary after a period of time, and trimming of grass planting on the greensward is generally performed by various mowers due to the large area.

Common mowers can be divided into backpack type mowers, hand-push type mowers, riding type mowers and the like; the backpack mower is a handheld device, mainly uses an engine as a power source, transmits rotary power to a turntable at the front end of a connecting rod through a transmission member when the engine runs, and performs mowing action by rotating a cutter such as a blade or a mowing rope arranged on the turntable at a high speed. Because the cutting members are all exposed, the cutting members are not provided with any protection design, so that when the backpack mower moves to the surrounding area of a hard object (such as a bottle, a stone and the like) to trim grasslands, the cutting members are always damaged due to the fact that the cutting members are directly collided with the hard object, and the whole structural design of the backpack mower still has room for improvement.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an adjustable mower head and a mower, wherein a hard object in front of the head can be pulled out through a transverse rod and a pushing rod which are outwards opened, so that damage caused by contact between a blade on the head and the hard object is avoided.

The utility model is realized by the following technical scheme: the utility model provides a lawn mower aircraft nose with adjustable, includes aircraft nose and solid fixed ring, gu fixed ring sets up in the top of aircraft nose, installs the fixed column perpendicularly on the top surface of aircraft nose, and the fixed column upper end extends to gu the center department of fixed ring, installs the connecting rod between fixed column and the fixed ring, is equipped with the arc mouth that runs through the fixed ring on the outer lane face of fixed ring, slidable mounting has the regulating block of arc structure in the arc mouth, all installs the horizontal pole on the lateral surface of regulating block, all is equipped with a plurality of screw holes on the bottom surface of horizontal pole, equal threaded connection has the double-screw bolt in the screw hole, and the catch bar is all installed perpendicularly to the double-screw bolt lower extreme, installs the panel on gu the inner circle of fixed ring, installs the drive assembly who drives the arc piece inwards and draws close or outwards opens on the panel.

As the preferred technical scheme, drive assembly includes servo motor, two gears, two axostylus axostyles, two bearings and polylith dogtooth, the dogtooth is all installed on the medial surface of regulating block, the gear all sets up in the inside of solid fixed ring, and all be connected with the dogtooth meshing, also the meshing is connected between the gear and is set up, the axostylus axostyle is all installed in the centre bore of gear, the top surface of panel is just to all being equipped with the mounting hole in axostylus axostyle department, the bearing is all installed in the mounting hole, the axostylus axostyle upper end is all installed in the inner circle of bearing, servo motor installs on the top surface of panel, servo motor's pivot and one of them axostylus axostyle fixed connection.

As the preferable technical scheme, all be equipped with the spout of arc structure on the bottom surface of arc mouth, the bottom surface of regulating block just is in the slider that arc structure was all installed to spout department, slider all slidable mounting in the spout.

As the preferable technical scheme, the push rod is arranged in a cylindrical structure, and the bottom surface of the push rod is arranged in a hemispherical structure.

As the preferable technical scheme, the push rod, the cross rod, the panel and the fixing ring are made of stainless steel materials, and the inside of the cross rod is hollow.

A mower comprises the adjustable mower head.

The beneficial effects of the utility model are as follows: the utility model has simple structure, the driving component can synchronously drive the cross rod to open outwards and close inwards, the movement of the cross rod drives the pushing rod, in the process of opening the cross rod outwards, the hard object in front of the machine head can be outwards pulled out by the pushing rod, the damage caused by the contact of the blade on the machine head with the hard object is avoided, the pushing rod can be disassembled, the length of the pushing rod can be adjusted, and the bottom of the pushing rod can be close to the ground after the machine head is lifted, so that the hard object on the ground can be pushed away.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the driving assembly according to the present utility model;

fig. 3 is a schematic structural view of the present utility model after the cross bar is turned over.

Wherein, 1, the machine head; 2. a fixing ring; 3. an arc-shaped opening; 4. an adjusting block; 5. a cross bar; 6. a push rod; 7. a panel; 8. a bearing; 9. a servo motor; 11. fixing the column; 12. a connecting rod; 13. screw holes; 14. a chute; 15. a gear; 16. convex teeth; 17. and a shaft lever.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1, 2 and 3, the adjustable mower head comprises a head 1 and a fixed ring 2, wherein the fixed ring 2 is arranged above the head 1, a fixed column 11 is vertically arranged on the top surface of the head 1, the upper end of the fixed column 11 extends to the center of the fixed ring 2, a connecting rod 12 is arranged between the fixed column 11 and the fixed ring 2, an arc opening 3 penetrating through the fixed ring 2 is arranged on the outer ring surface of the fixed ring 2, an adjusting block 4 of an arc structure is slidably arranged in the arc opening 3, cross rods 5 are arranged on the outer side surfaces of the adjusting block 4, a plurality of screw holes 13 are formed in the bottom surface of the cross rods 5, studs are connected in the screw holes 13 in a threaded manner, push rods 6 are vertically arranged at the lower ends of the studs, a panel 7 is arranged on the inner ring of the fixed ring 2, and a driving assembly for synchronously driving the arc blocks to approach inwards or outwards open is arranged on the panel 7.

In this embodiment, the drive assembly includes servo motor 9, two gears 15, two axostylus axostyles 17, two bearings 8 and polylith dogtooth 16, dogtooth 16 is all installed on the medial surface of regulating block 4, gear 15 all sets up in the inside of solid fixed ring 2, and all be connected with dogtooth 16 meshing, also the meshing is connected between the gears 15 and is set up, axostylus axostyle 17 all installs in the centre bore of gear 15, the top surface of panel 7 is just all equipped with the mounting hole to axostylus axostyle 17 department, bearing 8 all installs in the mounting hole, the inner circle of bearing 8 is all installed to the axostylus axostyle 17 upper end, servo motor 9 installs on the top surface of panel 7, servo motor 9's pivot and one of them axostylus axostyle 17 fixed connection.

In this embodiment, all be equipped with arc structure's spout 14 on the bottom surface of arc mouth 3, the bottom surface of regulating block 4 just all installs arc structure's slider to spout 14 department, and slider all slidable mounting is in spout 14, and the regulating block can only be along the spout and be annular structure rotation, has avoided the regulating block to break away from in the arc mouth.

In this embodiment, the catch bar 6 all is the cylindricality structure setting, and the bottom surface of catch bar 6 all is the hemisphere structure setting, and the catch bar of cylindricality structure has reduced the friction on surface, makes the grass pass through fast along the arcwall face of catch bar.

In this embodiment, push rod 6, horizontal pole 5, panel 7 and solid fixed ring 2 are all made by stainless steel material, and the inside of horizontal pole 5 all is hollow to be set up, has avoided rustting, and hollow structure's horizontal pole then has reduced weight, has made things convenient for the operation of bearing.

A mower comprises the adjustable mower head.

The mowing height is generally determined in advance, in order to enable the bottom of the pushing rod to be close to the ground, the height of the pushing rod needs to be adjusted, the pushing rod is directly screwed out during adjustment, and the pushing rod with the matched length is arranged, so that after the machine head is lifted, the bottom of the pushing rod can be contacted with a hard object on the ground;

when the device is used, the servo motor can be started to rotate positively and negatively, the gears are driven by the rotation of the servo motor, and the gears are meshed with each other, so that the two gears rotate reversely, the convex teeth and the adjusting block are driven by the rotation of the gears, the adjusting block is synchronously opened outwards along the sliding groove, the transverse rod and the pushing rod are driven by the movement of the adjusting block, hard objects on the ground can be outwards pulled out through the pushing rod which is opened in a fan-shaped structure, the contact of a blade on the machine head with the hard objects in front is avoided, and the use safety is improved;

on the contrary, after the servo motor reversely rotates, the adjusting block, the cross rod and the pushing rod can be synchronously driven to inwardly close, the machine head is preferably not required to be moved in the closing process, after the closing is completed, the machine head is further pushed forward, the closed cross rod is moved to the front area without clearing hard objects, after the closed cross rod is opened outwards, the front hard objects can be outwards pulled out, and the contact between the blade and the hard objects can be avoided by repeating the operation.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (6)

1. An adjustable mower head, characterized in that: including aircraft nose (1) and solid fixed ring (2), gu fixed ring (2) set up in the top of aircraft nose (1), install fixed column (11) perpendicularly on the top surface of aircraft nose (1), fixed column (11) upper end extends to the center department of solid fixed ring (2), install connecting rod (12) between fixed column (11) and solid fixed ring (2), be equipped with arc mouth (3) that run through solid fixed ring (2) on the outer lane face of solid fixed ring (2), slidable mounting has regulating block (4) of arc structure in arc mouth (3), all install horizontal pole (5) on the lateral surface of regulating block (4), all be equipped with a plurality of screw holes (13) on the bottom surface of horizontal pole (5), equal threaded connection has the double-screw bolt in screw hole (13), push rod (6) are all installed perpendicularly to the double-screw bolt lower extreme, install panel (7) on the inner circle of solid fixed ring (2), install the drive assembly that synchronous drive arc piece inwards draws close or outwards opens on panel (7).

2. The adjustable mower head of claim 1, wherein: the driving assembly comprises a servo motor (9), two gears (15), two shaft rods (17), two bearings (8) and a plurality of convex teeth (16), wherein the convex teeth (16) are all installed on the inner side surface of the adjusting block (4), the gears (15) are all arranged inside the fixed ring (2) and are all meshed with the convex teeth (16), the gears (15) are also meshed and connected, the shaft rods (17) are all installed in the central holes of the gears (15), the top surface of the panel (7) is just provided with installation holes to the shaft rods (17), the bearings (8) are all installed in the installation holes, the upper ends of the shaft rods (17) are all installed in the inner ring of the bearings (8), the servo motor (9) is installed on the top surface of the panel (7), and the rotating shaft of the servo motor (9) is fixedly connected with one shaft rod (17).

3. The adjustable mower head of claim 1, wherein: the bottom surface of the arc opening (3) is provided with a chute (14) with an arc structure, the bottom surface of the adjusting block (4) is provided with a sliding block with an arc structure right opposite to the chute (14), and the sliding blocks are slidably arranged in the chute (14).

4. The adjustable mower head of claim 1, wherein: the push rods (6) are all arranged in a cylindrical structure, and the bottom surfaces of the push rods (6) are all arranged in a hemispherical structure.

5. The adjustable mower head of claim 1, wherein: the push rod (6), the cross rod (5), the panel (7) and the fixing ring (2) are made of stainless steel materials, and the interior of the cross rod (5) is hollow.

6. A mower, characterized in that: comprising an adjustable mower head according to any one of claims 1-5.