CN218634776U - Lawn mower and garden instrument - Google Patents

Abstract

The application provides a lawn mower and garden instrument relates to the garden instrument field. Comprises a frame; the header is arranged on the rack; the travelling mechanism is arranged on the rack and comprises a front wheel assembly and a rear wheel assembly; the frame comprises a front frame and a rear frame, the front frame is detachably connected with the rear frame, the front frame is provided with front wheels, and the rear frame is provided with rear wheels. When the header is changed in order to satisfy operation requirement, select the front portion frame and the rear portion frame of suitable specification to fix, guarantee that the header has suitable mounting dimension for under different operational environment, can change the header of adaptation, satisfy multiple environment's operation requirement.

Description

Lawn mower and garden instrument

Technical Field

The application relates to garden instrument field, concretely relates to lawn mower and garden instrument.

Background

The garden tool is in the use, need change the work portion of different specifications according to the service environment of difference to satisfy different operational environment's operation requirement. For example, in a conventional mower, a front wheel and a rear wheel are mounted on a frame, the wheelbase between the front wheel and the rear wheel cannot be changed, a header is mounted at the bottom of the frame of the mower, and the wheelbase is determined, so that the specification of the header can be selected only within the wheelbase range. On one hand, the specification selection of the header is reduced, and the header which is more suitable for the work environment such as terrain can not be replaced; on the other hand, the wheelbase is fixed, and the cutting table cannot be well matched with the mower under the wheelbase, so that the best working efficiency cannot be achieved.

From this, need a convenient lawn mower of changing different specification headers to satisfy different operation requirements.

Disclosure of Invention

In view of the above shortcomings of the prior art, the present application provides a mower to improve the technical problem that the existing mower has a fixed axle distance and cannot be replaced with a proper header as required.

To achieve the above and other related objects, the present application provides a lawn mower comprising a frame; the header is arranged on the rack; the travelling mechanism is arranged on the rack and comprises a front wheel assembly and a rear wheel assembly; the frame comprises a front frame and a rear frame, the front frame is detachably connected with the rear frame, the front frame is provided with front wheels, and the rear frame is provided with rear wheels.

In this application's an embodiment, anterior frame is including first crossbeam, first connecting portion, and first connecting portion are stretched out forward by first crossbeam both ends, and two first connecting portions are equipped with the front wheel subassembly respectively.

In an embodiment of the present application, the front end of the first connecting portion is a mounting pipe facing vertically downward, and the front wheel assembly is mounted on the mounting pipe so that the front wheel rotates around the mounting pipe axis.

In this application embodiment, the rear end both sides of anterior frame all are equipped with the U-shaped recess, and the front end of rear portion frame includes two square pipes, and square pipe inserts in order fixed anterior frame and rear portion frame in the recess.

In an embodiment of the application, two first clamping plates are arranged on two sides of the rear end of the front frame, second clamping plates are arranged on the bottom surfaces of the two first clamping plates, and the first clamping plates and the second clamping plates form a groove in a surrounding mode; the lateral wall of first splint, square pipe corresponds the position and all is equipped with first through-hole, and connecting bolt runs through first through-hole and connects fixed anterior frame and rear portion frame.

In an embodiment of the present application, the header is installed at the bottom of the frame, and the minimum distance between the header and the front wheel is 10-60 mm.

In an embodiment of the present application, the header is installed at the bottom of the frame, and the minimum distance between the header and the rear wheel is 10-60 mm.

In an embodiment of the application, the lawn mower further includes a battery, and the frame is provided with a first placement area, and the battery is fixed in the first placement area.

In an embodiment of the present application, the first mounting region is provided with a plurality of first mounting holes, and batteries with different specifications are matched with the different first mounting holes.

The application also provides a gardening tool, which comprises a rack; the travelling mechanism is arranged on the rack and comprises a front wheel assembly, a rear wheel assembly and a driving mechanism; the battery is arranged on the frame and provides electric energy for the mower; the working part is arranged on the frame; the frame comprises a front frame and a rear frame, the front frame is detachably and fixedly connected with the rear frame, a front wheel assembly is mounted on the front frame, and a rear wheel assembly is mounted on the rear frame.

Combine prior art, the beneficial effect of this application lies in:

the existing mower frame is of an integrated structure, the wheelbases of the front wheel and the rear wheel are fixed, and the existing mower frame is arranged on a header at the bottom of the mower frame, and can not be changed into a proper specification according to the working environment due to the limited wheelbases. The utility model provides a frame is split type frame, the detachable fixed mounting of anterior frame and rear portion frame, the header of different specifications corresponds the anterior frame of different specifications, the front wheel subassembly is installed in anterior frame, when the header is changed in order to satisfy the operation requirement as needs, at first, the anterior frame of selecting suitable specification is fixed with the rear portion frame, guarantee that the header has suitable installation dimension, the header that will need the volume to change again is installed in the frame, make under different operational environment, can change the header of adaptation, satisfy the operation requirement of multiple environment. The header of the looks adaptation of this application also can be in relative connection state with anterior frame all the time, reduces the time of looking for the part on the one hand, and on the other hand practices thrift the assembly process, improves and changes efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an exemplary lawn mower of the present application;

FIG. 2 is a front view of an exemplary lawnmower of the present application;

FIG. 3 is a right side view of an exemplary lawn mower of the present application;

FIG. 4 is a schematic view of an exemplary frame structure of the present application;

FIG. 5 is a schematic view of an exemplary front frame structure of the present application;

FIG. 6 is a schematic view of an exemplary rear frame structure of the present application;

FIG. 7 is a schematic view of another exemplary mower of the present application;

FIG. 8 is a schematic view of another exemplary frame configuration of the present application;

FIG. 9 is a schematic view of another exemplary front frame structure of the present application.

Description of the element reference numerals

100. A frame; 110. a front frame; 111. a first cross member; 112. a first connection portion; 113. assembling a pipe; 114. a first splint; 115. a second splint; 116. a first through hole; 117. a through slot; 118. a first rotation connection hole; 120. a rear frame; 121. square tubes; 122. a connecting bolt; 123. a first mounting region; 1231. a first mounting hole; 1232. a battery protection plate; 124. a second rotation connection hole; 200. a traveling mechanism; 210. a front wheel assembly; 220. a rear wheel assembly; 230. a control system; 300. a cutting table; 310. a height adjusting device; 311. a first connecting rod; 312. a second connecting rod; 313. a fourth connecting rod; 314. a fifth connecting rod; 315. a third connecting rod; 400. an anti-roll frame; 500. a driver seat;

Detailed Description

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples herein is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present application. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any value therebetween can be selected from the group consisting of the endpoints unless otherwise indicated herein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and the description of the present application, and any methods, devices, and materials similar or equivalent to those described in the examples of the present application may be used to practice the present application.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used in the specification are for clarity of description, and are not intended to limit the scope of the application, and that changes or modifications in the relative relationship may be made without substantial technical changes and modifications.

The application claims a lawn mower and garden tool to solve the problem that an existing lawn mower cannot be changed as required to be suitable for the header 300.

Referring to fig. 1-3, fig. 1-3 illustrate an exemplary mower configuration including a frame 100, a travel mechanism 200, a battery, and a header 300.

Referring to fig. 4 and 8, fig. 4 and 8 show two exemplary frame 100 structures, the frame 100 includes a front frame 110 and a rear frame 120, the front frame 110 is detachably connected to the rear frame 120, wherein the front frame 110 is provided with a front wheel assembly 210, and the rear frame 120 is provided with a rear wheel assembly 220. Preferably, the front frame 110 and the rear frame 120 are fixed by a connecting bolt 122. The front wheel assembly 210 is separately assembled on the front frame 110, the battery, the control assembly and the like are assembled on the rear frame 120, and when the header 300 with different specifications needs to be replaced, such as 48 inches, 52 inches, 60 inches and the like, the shaft distance of the mower is changed by replacing the adaptive front frame 110, so that the header 300 can be assembled.

In an exemplary embodiment, the header 300 is assembled on the mower, the header 300 is located between the front wheel and the rear wheel, the closest distance between the header 300 and the front wheel is 10-60 mm, the closest distance between the header 300 and the rear wheel is 10-60 mm, the header 300 keeps proper distances with the front wheel and the rear wheel, on one hand, the header 300 is convenient for adjusting the height, on the other hand, in severe working environments such as bumping, the header 300 can slightly rock forwards and backwards and keep a certain distance with the front wheel and the rear wheel, the header 300 is prevented from colliding with the front wheel and the rear wheel, and the damage risk of the mower is reduced.

Referring to fig. 5, fig. 5 illustrates an exemplary front frame 110 configuration. In one embodiment, the front frame 110 of the lawn mower is U-shaped, and includes a first cross member 111, two ends of the first cross member 111 are provided with first connecting portions 112 extending forward, and the two first connecting portions 112 are respectively assembled with a front wheel assembly 210. The front wheels are preferably universal wheels as steering wheels. In one embodiment, the front end of the first connecting portion 112 is provided with a mounting tube 113, a first bearing is mounted in the mounting tube 113, a first rotating shaft is interference fitted in the first bearing, the lower end of the first rotating shaft extends out of the mounting tube 113 and is connected with a front wheel fork, and a front wheel is rotatably connected to the front wheel fork. When the steering is carried out, the front wheels rotate around the first rotating shaft to realize direction change. In an embodiment, the front end of front wheel fork still is provided with the protection swash plate, and the forward position of protection swash plate surpasss the front wheel forward position, and when meetting the barrier, the protection swash plate is earlier than the front wheel and touches the barrier, avoids the front wheel to collide with impaired.

In one embodiment, the front frame 110 is provided with a front light at the first beam 111, and preferably, the first beam 111 is provided with a through slot 117, the front light is provided at the back of the first beam 111, the front light is partially blocked in the through slot 117, and the front light illuminates or transmits signals. In one embodiment, the front side of the first beam 111 is provided with a recess, and the through groove 117 is disposed in the recess. The first cross member 111 protects the headlights from damage by direct impact when encountering an obstacle or impact in the through-slot 117 of the headlight mounting recess.

Referring to fig. 9, fig. 9 shows an exemplary front frame 110 structure, in an embodiment, two first clamping plates 114 are disposed on two sides of a rear end of the front frame 110, two square tubes 121 are disposed at a front end of the rear frame 120, the square tubes 121 are inserted between the two first clamping plates 114, first through holes 116 are disposed at corresponding positions between the square tubes 121 and the first clamping plates 114, the first clamping plates 114 and the square tubes 121 are fastened by penetrating the first through holes 116 through connecting bolts 122, preferably, at least four bolts are used on each side for installation, so that the front frame 110 and the rear frame 120 are fixed. In one embodiment, the first clamping plates 114 are vertically arranged, the bottom surfaces of the two first clamping plates 114 on the same side are provided with a second transverse clamping plate 115, and the first clamping plates 114 and the second clamping plates 115 form a U shape. The U-shaped groove facilitates the insertion and fixation of the square tube 121 of the rear frame 120, and the second clamping plate 115 at the bottom supports the square tube 121. Under the influence of gravity of each part of the mower, stress between the front frame 110 and the rear frame 120 is mainly concentrated at a joint, which shows that the front frame 110 and the rear frame 120 tend to rotate relatively, the rotation direction is respectively downward around the front wheels and the rear wheels from the joint, and by adding the second clamping plate 115, the supporting area of the joint of the front frame 110 and the rear frame 120 is increased, the shearing force applied to the connecting bolt 122 is reduced, the connecting firmness is improved, and the service life of the connecting bolt 122 is prolonged.

When the header 300 with different specifications needs to be replaced, the front frame 110 needs to be replaced in advance, and if parts of the mower which do not need to be replaced are mounted on the front frame 110, the workload of assembly and disassembly is inevitably increased.

Referring to fig. 6, fig. 6 shows an exemplary structure of the rear frame 120, in which a first receiving region 123 is formed on the rear frame 120, and a battery is fixed in the first receiving region 123. The battery provides the electric energy for the lawn mower, and suitable batteries are installed according to the requirements of lawn mowers of different specifications and different requirements. Preferably, the bottom plate of the first receiving area 123 is provided with a plurality of first mounting holes 1231, and batteries with different specifications are matched with the first mounting holes 1231 at different positions, so that the batteries with different specifications can be fixedly mounted, and different requirements for use can be met. It should be noted that, the first housing area 123 of the lawn mower with different forms is different in position, for example, a standing type lawn mower, the first housing area 123 is arranged at a position of the rear frame 120 close to the front frame 110, the battery has a heavy weight, and is placed at a position close to the front, so that the force caused by a person standing at the rear end of the lawn mower can be balanced, the stability of the lawn mower is improved, and the lawn mower is prevented from overturning when the person stands close to the rear. If the riding mower is used, a worker sits on the top surface of the mower, and in order to reduce the center of gravity of the mower, the first placement area 123 can be arranged below the driving seat 500, so that the center of gravity of the mower can be reduced, the moving stability of the mower is improved, and the climbing performance of the mower is improved. The setting position of the first placing region 123 is selected according to actual conditions, and the setting position is not limited by the application, so that the placing requirement of the battery can be met. When it needs to be explained, one first placing region 123 may place only one battery, or may place a plurality of batteries, and a plurality of batteries may be connected in parallel or in series, and the batteries may supply power simultaneously, or may use the second battery after the use electric quantity is exhausted.

Referring to fig. 8, in an embodiment, the first receiving region 123 is provided with a battery protection plate 1232 at both the front end and the bottom surface, and the battery protection plate 1232 is installed on the rack 100. On one hand, the battery protection plate 1232 can limit the battery, so that the battery cannot be displaced in the using process; on the other hand, can protect the battery, present battery generally selects lithium cell or lead acid battery, prefers the lithium cell in the lawn mower field, and the lithium cell has certain risk of spontaneous combustion under the condition of short circuit, protects the battery through battery guard plate 1232, avoids the impaired short circuit of battery. It should be noted that, the specific installation mode of the battery protection plate 1232 may be selected from welding, bolting, riveting, etc., and is selected according to actual needs, which is not limited in the present application.

The walking mechanism 200 comprises a front wheel assembly 210, a rear wheel assembly 220, a driving mechanism, an operation and control system 230 and the like, wherein the front wheel assembly 210 is a universal wheel for facilitating steering, the driving mechanism is connected with the rear wheel assembly 220, and the operation and control system 230 controls the driving assembly to drive the rear wheel to rotate, so that the movement of the mower is realized. When steering is required, the speed of the two rear wheels, which have a certain speed difference, is adjusted by the steering system 230, thereby driving the mower to steer. The driving mechanism is connected with the rear wheel assembly 220, so that the passing performance of the mower is improved, and the use requirements of multiple working conditions are met. It should be noted that, the operating rod of the control system 230 is installed at different installation positions according to different vehicle types, for example, in a standing mower, the operating rod is installed above a standing area, so as to facilitate the user to hold the operating rod by hand, and in a riding mower, the operating rod is installed at the front end of the driving seat 500, so as to facilitate the user to operate the riding mower, and the specific installation manner, position, and the like are selected as needed, which is not limited in the present application.

Referring to fig. 3, the header 300 is installed at the bottom of the frame 100. In one embodiment, the header 300 is installed with a driving motor connected to a cutting knife for driving the cutting knife to rotate, and the cutting knife is disposed at a position below the header for mowing. In one embodiment, the header 300 is coupled to the frame 100 via an elevation device 310, and the elevation device 310 may adjust a distance between the header 300 and a bottom of the frame 100. It should be noted that the height adjusting device 310 may be connected to the rear frame 120, or may be partially connected to the front frame 110, and is selected according to actual needs, which is not limited. In an embodiment, the height adjusting device 310 includes a first connecting rod 311 and a second connecting rod 312, the middle portions of the first connecting rod 311 and the second connecting rod 312 are both rotatably connected to the frame 100, the lower ends of the first connecting rod 311 and the second connecting rod 312 are respectively rotatably connected to a fourth connecting rod 313 and a fifth connecting rod 314, and the fourth connecting rod 313 and the fifth connecting rod 314 are respectively rotatably connected to the header. The sides of the first connecting rod 311 and the second connecting rod 312, which are far away from the fourth connecting rod 313 and the fifth connecting rod 314, are connected through a third connecting rod 315, and the third connecting rod 315 is rotatably connected with the first connecting rod 311 and the second connecting rod 312 respectively. When height adjustment is needed, the header height can be lifted and lowered by rotating the first connecting rod 311 or the second connecting rod 312. The rear frame 120 is provided with a second rotation connection hole 124, a second rotation connection shaft penetrates through the second rotation connection hole 124, and the second connection rod 312 is rotatably connected to the rear frame 120 through the second rotation connection shaft; the front frame 110 is provided with a first rotation connection hole 118, a first rotation connection shaft penetrates through the first rotation connection hole 118, and the first connection rod 311 is rotatably connected to the front frame 110 through a first rotation shaft. The mounting dimension of different specification headers 300 is different, and the rear portion of header 300 is installed on rear portion frame 120, the front portion is installed on anterior frame 110, rear portion frame 120 only need set up the left and right sides two rotate the mounting hole can, avoid setting up more rotation mounting hole on rear portion frame 120, influence frame 100 intensity. The front frame 110 needs to be replaced synchronously when the header 300 is replaced, the connection between the header 300 and the front frame 110 is not released in the disassembly process, and when the header 300 and the front frame 110 need not to be assembled again when the header 300 needs to be replaced, so that the assembly steps are effectively reduced, and the replacement speed is effectively improved. The header 300 is connected with the front frame 110, so that the component searching speed can be effectively improved, and the problem that the header 300 is not matched with the front frame 110 in installation is prevented.

In one embodiment, the rack 100 is provided with an anti-roll frame 400, and the anti-roll frame 400 is rotatably mounted on the rack 100 and has a first position and a second position. Wherein, the roll-preventing frame 400 is fixed at the side of the user in the operating state at the first position and is higher than the top of the head of the worker in the operating state, so as to ensure that the frame 100 protects the worker in the roll. When the roll cage 400 is in the second position, it is folded with respect to the housing 100, reducing the storage volume of the mower. The roll-over prevention frame 400 is particularly suitable for riding mowers, workers of the riding mowers need to sit on the riding seats 500, and when the mowers turn over, roll over and the like, the workers of the riding mowers are more difficult to jump off the mowers compared with standing workers, so that the probability of injury after turning over is higher. This application is through setting up anti-rollover frame 400, and when the lawn mower took place to turn on one's side, anti-rollover frame 400 touched to ground earlier than the staff, and the staff directly touched to ground when avoiding turning on one's side and causes head damage etc..

In one embodiment, the rear end of the rear frame 120 is further provided with an anti-collision device, such as a rubber anti-collision strip, so that when the mower collides with an obstacle in the process of backing a car, the mower is buffered by the anti-collision device, thereby preventing the rear frame 120 from being damaged by collision and reducing the collision vibration of the mower.

The present application also claims a garden tool, which may be a lawn mower as shown in fig. 1-9. The garden tool comprises: a frame 100, a traveling mechanism 200, a battery, a working part, and the like. The frame 100 provides a supporting and assembling space for the whole garden tool, the frame 100 includes a front frame 110 and a rear frame 120, the front frame 110 and the rear frame 120 are detachably and fixedly connected, preferably fixed by bolts, the front frame 110 is provided with a front wheel assembly 210, and the rear frame 120 is provided with a rear wheel assembly 220. When different garden tools need to be replaced by different working parts or other needs, the wheelbase of the garden tool can be adjusted by replacing the front frame 110, so that different installation spaces are obtained, and different use requirements are met. It should be noted that the connection between the front frame 110 and the rear frame 120 may be the relationship between the front frame 110 and the rear frame 120 in the mower. The walking mechanism 200 includes a front wheel assembly 210, a rear wheel assembly 220, a driving mechanism, etc., preferably, the driving mechanism is connected with the rear wheel assembly 220, so that the garden tool is driven in a rear-driving manner, and the passing ability of the garden tool in different terrains is improved. The batteries are mounted in a first mounting region 123 provided on the frame 100, and different threaded holes are provided in the first mounting region 123 to correspond to the mounting of the batteries of different specifications. It should be noted that, the parts and the relative connection relation not described in detail in the garden tool may refer to the existing corresponding garden tool, and are not described in detail in this application.

The utility model provides a lawn mower and garden instrument can adjust the wheel base of lawn mower or other garden instruments through changing anterior frame 110, obtains different installation space, satisfies the beneficial effect that different work departments installed the requirement. Therefore, the application effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance. The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims (10)

1. A lawn mower, comprising:

a frame;

the header is arranged on the rack;

the travelling mechanism is arranged on the rack and comprises a front wheel assembly and a rear wheel assembly;

the frame comprises a front frame and a rear frame, the front frame is detachably connected with the rear frame, a front wheel assembly is mounted on the front frame, and a rear wheel assembly is mounted on the rear frame.

2. The mower of claim 1, wherein said front frame includes a first cross member, first connecting portions extending forwardly from opposite ends of said first cross member, and said front wheel assembly is mounted to each of said first connecting portions.

3. The lawnmower of claim 2, wherein the front end of the first connection portion is a vertically downward mounting tube, the front wheel assembly being mounted on the mounting tube such that the front wheel rotates about the mounting tube axis.

4. The mower according to claim 1, wherein the front frame has a U-shaped groove on both sides of the rear end thereof, and the rear frame has two square tubes inserted into the groove to fix the front frame and the rear frame.

5. The mower according to claim 4, wherein two first clamping plates are arranged on two sides of the rear end of the front frame, a second clamping plate is arranged on the bottom surfaces of the two first clamping plates, and the first clamping plates and the second clamping plates enclose the groove; the side wall of first splint the side pipe corresponds the position and all is equipped with first through-hole, and connecting bolt runs through first through-hole connection is fixed anterior frame with the rear portion frame.

6. A lawnmower as claimed in claim 1 wherein said header is mounted to the bottom of the chassis at a minimum distance of 10 to 60mm from the front wheels.

7. The mower of claim 1, wherein the header is mounted to the bottom of the frame at a minimum distance of 10-60 mm from the rear wheel.

8. The lawnmower of claim 1, further comprising a battery, wherein the frame has a first mounting region, and wherein the battery is secured within the first mounting region.

9. The mower of claim 8 wherein said first receiving area defines a plurality of first mounting holes, wherein said batteries of different sizes fit different ones of said first mounting holes.

10. A garden tool, comprising:

a frame;

the travelling mechanism is arranged on the rack and comprises a front wheel assembly and a rear wheel assembly;

the working part is arranged on the rack;

the frame comprises a front frame and a rear frame, the front frame is detachably and fixedly connected with the rear frame, a front wheel assembly is mounted on the front frame, and a rear wheel assembly is mounted on the rear frame.

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