CN209628110U

CN209628110U - A kind of grass trimmer of adjustable cutter height

Info

Publication number: CN209628110U
Application number: CN201822062033.5U
Authority: CN
Inventors: 何建中
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2019-11-15
Anticipated expiration: 2028-12-06

Abstract

The utility model discloses a kind of grass trimmers of adjustable cutter height, by the way that limit assembly is arranged on vehicle frame, on limit assembly installation vehicle frame moving up and down, it is adjustable on limit assembly that toolbox is installed, so that grass trimmer can be by adjusting height of the toolbox on limit assembly, to change the height of mowing, and in operation, toolbox is with limit assembly dynamic change, when encountering different terrain, toolbox can be consistent with ground level below, it can be suitable for different landform, simultaneously, lifting assembly is additionally provided on vehicle frame, drawstring is pulled to promote toolbox by lifting wheel, cooperation between fixed gear plate and movable fluted disc can be such that toolbox rests in desired height, save manpower, it is easy to adjust quick.

Description

A kind of grass trimmer of adjustable cutter height

Technical field

The utility model relates to mower art fields, particularly relate to a kind of grass trimmer of adjustable cutter height.

Background technique

Grass trimmer is a kind of machine tool of the vegetation that cuts the grass on a lawn etc., generally by cutter, engine, traveling wheel, handrail with And control section composition, quick weeding is able to carry out by the high speed rotation of blade, saves the activity duration of weeding worker, A large amount of human cost can be reduced.

But existing grass trimmer, when needing cutter to be maintained at certain altitude, can not be carried out when carrying out cutting operation It adjusts, for example, crop seedling is lower in farmland when mowing to farmland, but weeds are higher, needed at this time in protection seedling In the case of cut off weeds, then need to adjust the height of cutter；Simultaneously in some mountain areas, when carrying out cutting operation to tea place, due to Mountainous region is uneven, and cutter can not effectively cut off the region weeds of recess, in the place of protrusion, the topography as locating for traveling wheel It is low, high-land locating for cutter, and easily make cutter and ground face contact, cutter is damaged, therefore, existing grass trimmer cannot fit well For rough soil.

Utility model content

In view of this, the purpose of this utility model is that a kind of grass trimmer of adjustable cutter height is proposed, by toolbox It is adjustable to be set on limit assembly, and be installed on limit assembly is moving up and down on vehicle frame, solve existing cut The problem of careless rounding machine cutter height can not be adjusted, and cannot be suitable for rough soil well.

Based on a kind of above-mentioned purpose grass trimmer of adjustable cutter height provided by the utility model, including,

Vehicle frame has traveling wheel；

Limit assembly, including limiting bracket, moving up and down to be installed on the vehicle frame, limiting bracket bottom is equipped with Position-limited wheel；

Toolbox, can up and down adjustment be installed on the limit assembly, including motor, motor be connected with cutter shaft, Cutter shaft end is equipped with cutter, and cutter is set to bottom of frame；

Upper and lower position of the toolbox on limit assembly is adjusted, changes cutter terrain clearance, when work, limit assembly root It drives toolbox dynamic to adjust according to landform, adapts to different terrain.

Optionally, the cutter shaft outer cover is equipped with cutter axle sleeve, and cutter shaft, which is put on, is connected with fixed frame, the fixed frame On be connected with retention mechanism.

Optionally, it is fixedly installed with fastening frame in the rack, connecting rod, the connecting rod are installed on the fastening frame It is fixedly connected with hoisting mechanism, the hoisting mechanism is located above the motor, and the hoisting mechanism is connected by drawstring and motor It connects.

Optionally, the hoisting mechanism includes fixed gear plate, and the fixed gear plate is fixedly installed in the connecting rod, institute It states and rotary shaft is installed on fixed gear plate, it is rotatable in the rotary shaft that lifting wheel is installed, it is connected on the lifting wheel Drawstring, the lifting wheel are fixedly installed with telescopic, and the telescopic is fixedly connected with rocking bar, is fixedly installed on the rocking bar Movable fluted disc, the fixed gear plate periphery are equipped with fixed tooth socket, and the activity fluted disc periphery is equipped with movable tooth socket, the work Active toothed disk is adapted with the fixed gear plate, is also provided with below the fixed gear plate and is kept away position mouthful.

Optionally, the retention mechanism includes lock sleeve, and the lock sleeve is fixedly installed in the fixed frame end, locking It covers middle opening and is equipped with screw hole, the opening is locked and opened with bolt by nut.

Optionally, bolster is installed on the limiting bracket.

From the above it can be seen that a kind of grass trimmer of adjustable cutter height provided by the utility model, by vehicle Limit assembly is set on frame, it is adjustable on limit assembly that cutter is installed on limit assembly installation vehicle frame moving up and down Component, so that grass trimmer to change the height of mowing, and can made by adjusting height of the toolbox on limit assembly When industry, toolbox is with limit assembly dynamic change, and when encountering different terrain, toolbox and ground level below are all It is able to maintain unanimously, different landform can be suitable for, meanwhile, it is additionally provided with lifting assembly on vehicle frame, is pulled by lifting wheel Drawstring promotes toolbox, and the cooperation between fixed gear plate and movable fluted disc can be such that toolbox rests in desired height, Manpower is saved, it is easy to adjust quick.

Detailed description of the invention

Fig. 1 is a kind of main view of the grass trimmer of adjustable cutter height of the utility model embodiment；

Fig. 2 is a kind of right view of the grass trimmer of adjustable cutter height of the utility model embodiment；

Fig. 3 is the partial enlargement diagram of A structure in Fig. 2；

Fig. 4 is a kind of partial schematic diagram of the hoisting mechanism of the grass trimmer of adjustable cutter height of the utility model embodiment；

Fig. 5 is a kind of partial sectional view of the hoisting mechanism of the grass trimmer of adjustable cutter height of the utility model embodiment.

In figure: 1- vehicle frame, 2- traveling wheel, 3- cutter, 4- limiting bracket, 5- position-limited wheel, 6- cutter shaft, 7- bolster, 8- Cutter axle sleeve, 9- motor, 10- hoisting mechanism, 11- drawstring, 12- retention mechanism, 13- fastening frame, 14- connecting rod, 15- are fixed The fixed tooth socket of frame, 101- fixed gear plate, 102- rotary shaft, 103- lifting wheel, 104- telescopic, 105-, 106- activity fluted disc, 107- activity tooth socket, 108- rocking bar, 109- keep away position mouth, 121- lock sleeve, 122- bolt, 123- nut.

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and Referring to attached drawing, the utility model is further described.

It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience, It should not be construed as the restriction to the utility model embodiment, subsequent embodiment no longer illustrates this one by one.

As one of embodiment of the utility model, a kind of grass trimmer of adjustable cutter height, including,

Vehicle frame has traveling wheel；

As another embodiment of the utility model, as shown, a kind of grass trimmer of adjustable cutter height, including vehicle Frame 1,1 bottom of vehicle frame are equipped with traveling wheel 2, and toolbox is also equipped on vehicle frame 1, and the toolbox includes motor 9, The motor 9 is connected with cutter shaft 6, and cutter shaft set 8, the cutter axle sleeve 8 and 1 activity of vehicle frame are arranged with outside the cutter shaft 6 Installation, can move up and down, 6 end of cutter shaft is equipped with cutter 3, and the cutter 3 is installed on 1 bottom of vehicle frame, described Limitation component is also equipped on vehicle frame 1, the limitation component includes limiting bracket 4, and optionally, limiting bracket 4 is two groups, described Limiting bracket 4 is moving up and down to be installed on the vehicle frame 1, and 4 bottom of limiting bracket is equipped with position-limited wheel 5, the limit Position wheel 5 is set to 1 bottom of vehicle frame and is fixedly connected with fixed frame 15, the fixation on the position of cutter, the cutter axle sleeve 8 The end of frame 15 is equipped with retention mechanism 12, and retention mechanism 12 is adjustable to be connected on limiting bracket 4.When progress cutting operation When, retention mechanism 12 can be opened according to demand, adjust position of the toolbox on limitation component later, make it suitable After height, retention mechanism 12 is locked, that is, can be used, in operation, since toolbox has been locked on limit assembly, work as chance When to the soil of recess, the decline of limit assembly descent tape cutter component enables cutter 3 to carry out the weeds of recess effective It cuts off, when encountering the soil of protrusion, toolbox rises with limit assembly, and it avoids cutter 3 from contacting with soil and receives damage, So that grass trimmer can be good at being suitable for different terrain.

In this embodiment, it is fixedly installed with fastening frame 13 in the rack 1, is equipped on the fastening frame 13 Connecting rod 14, the connecting rod 14 are fixedly connected with hoisting mechanism 10, and the hoisting mechanism 10 is located at 9 top of motor, institute Hoisting mechanism 10 is stated to connect by drawstring 11 with motor 9.It can the convenient and strength-saving height to toolbox by hoisting mechanism 10 It is adjusted.

In this embodiment, the hoisting mechanism 10 includes fixed gear plate 101, the fixed peace of the fixed gear plate 101 Loaded in the connecting rod 14, being equipped with rotary shaft 102, rotatable peace in the rotary shaft 102 on the fixed gear plate 101 Equipped with lifting wheel 103, drawstring 11 is connected on the lifting wheel 103, the lifting wheel 103 is fixedly installed with telescopic 104, institute It states telescopic 104 and is fixedly connected with rocking bar 108, movable fluted disc 106, the fixed gear plate are fixedly installed on the rocking bar 108 101 peripheries are equipped with fixed tooth socket 105, and activity 106 periphery of fluted disc is equipped with movable tooth socket 107, the activity fluted disc 106 It is adapted with the fixed gear plate 101, is also provided with below the fixed gear plate 101 and keeps away position mouthful 109.When being adjusted, pull Rocking bar 108 stretches telescopic 104, and fixed gear plate 101 is separated with movable fluted disc 106, shakes rocking bar 108 later, makes lifting wheel 103 are promoted motor 9 by drawstring 11, in place after, push rocking bar 108, telescopic 104 made to bounce back, fixed gear plate 101 with Movable fluted disc 106 engages, and lifting wheel 103 stops operating, and motor 9 is fixed on certain altitude, meanwhile, retention mechanism 12 is locked, So that toolbox is fixed.

In this embodiment, the retention mechanism 12 includes lock sleeve 121, and the lock sleeve 121 is fixedly installed in 15 end of fixed frame, 121 middle opening of lock sleeve are simultaneously equipped with screw hole, and the opening is matched by nut 123 with bolt 122 It closes locking and opens.

In this embodiment, bolster 7 is installed on the limiting bracket 4, so that grass trimmer is run when operation It is more steady.

Working principle of the utility model is: can open retention mechanism 12 when carrying out cutting operation according to demand, pull Rocking bar 108 stretches telescopic 104, and fixed gear plate 101 is separated with movable fluted disc 106, shakes rocking bar 108 later, makes lifting wheel 103 are promoted motor 9 by drawstring 11, in place after, push rocking bar 108, telescopic 104 made to bounce back, fixed gear plate 101 with Movable fluted disc 106 engages, and lifting wheel 103 stops operating, and motor 9 is fixed on certain altitude, meanwhile, retention mechanism 12 is locked, So that toolbox is fixed, that is, can be used, it is recessed when encountering since toolbox has been locked on limit assembly in operation When sunken soil, the decline of limit assembly descent tape cutter component enables cutter 3 effectively to cut the weeds of recess It removes, when encountering the soil of protrusion, toolbox rises with limit assembly, avoids cutter 3 from contacting with soil and receives damage, makes Obtaining grass trimmer can be good at being suitable for different terrain.

It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the utility model, the above reality Applying can also be combined between the technical characteristic in example or different embodiments, and there are the utility model as described above Many other variations of different aspect, for simplicity, they are not provided in details.Therefore, all spirit in the utility model Within principle, any omission, modification, equivalent replacement, improvement for being made etc. should be included in the protection scope of the utility model Within.

Claims

1. a kind of grass trimmer of adjustable cutter height, which is characterized in that including,

Vehicle frame has traveling wheel；

Limit assembly, including limiting bracket, moving up and down to be installed on the vehicle frame, limiting bracket bottom is equipped with limit Wheel；

Upper and lower position of the toolbox on limit assembly is adjusted, changes cutter terrain clearance, when work, limit assembly base area Shape drives toolbox dynamic to adjust, and adapts to different terrain.

2. a kind of grass trimmer of adjustable cutter height according to claim 1, which is characterized in that the cutter shaft outer cover Equipped with cutter axle sleeve, cutter shaft, which is put on, is connected with fixed frame, is connected with retention mechanism on the fixed frame.

3. a kind of grass trimmer of adjustable cutter height according to claim 2, which is characterized in that the retention mechanism includes Lock sleeve, the lock sleeve are fixedly installed in the fixed frame end, and lock sleeve middle opening is simultaneously equipped with screw hole, the opening It locks and opens with bolt by nut.

4. a kind of grass trimmer of adjustable cutter height according to claim 1, which is characterized in that fixed peace on the vehicle frame Equipped with fastening frame, connecting rod is installed on the fastening frame, the connecting rod is fixedly connected with hoisting mechanism, the hoisting mechanism Above the motor, the hoisting mechanism is connected to motor by drawstring.

5. a kind of grass trimmer of adjustable cutter height according to claim 4, which is characterized in that the hoisting mechanism includes Fixed gear plate, the fixed gear plate are fixedly installed in the connecting rod, and rotary shaft, the rotation are equipped on the fixed gear plate It is rotatable in shaft that lifting wheel is installed, drawstring is connected on the lifting wheel, the lifting wheel is fixedly installed with telescopic, The telescopic is fixedly connected with rocking bar, and movable fluted disc is fixedly installed on the rocking bar, and the fixed gear plate periphery is equipped with Fixed tooth socket, the activity fluted disc periphery are equipped with movable tooth socket, and the activity fluted disc is adapted with the fixed gear plate, described It is also provided with below fixed gear plate and keeps away position mouthful.

6. a kind of grass trimmer of adjustable cutter height according to claim 1, which is characterized in that pacify on the limiting bracket Equipped with bolster.