CN109168571B

CN109168571B - Portable mower

Info

Publication number: CN109168571B
Application number: CN201811380320.9A
Authority: CN
Inventors: 万青松; 柏远康
Original assignee: Gaoyou North Power Machinery Co ltd
Current assignee: Gaoyou North Power Machinery Co ltd
Priority date: 2018-11-20
Filing date: 2018-11-20
Publication date: 2021-05-14
Anticipated expiration: 2038-11-20
Also published as: CN109168571A

Abstract

The invention relates to a portable mower. The device is including the mobile jib, and mobile jib one end is connected with power device, and the mobile jib other end is connected with the drive wheel, the transmission is connected between power device and the drive wheel, coaxial arrangement has the blade on the drive wheel, the sliding sleeve has been cup jointed in the slip on the mobile jib, and the sliding sleeve side articulates there is the part of tying up, the sliding sleeve top spin has connect first hand nut, and first hand nut free end is contradicted on the mobile jib outer wall, avoids the sliding sleeve to slide, it articulates the mobile jib at operating personnel waist to tie up the part. The sliding sleeve is hinged with the bundling part and is matched with the main rod, the sliding sleeve becomes a movable fulcrum, the power device and the transmission wheel become a lever mechanism, and the power device enables the blade to be attached to the surface of the lawn to be trimmed by utilizing the principle of lever balance, so that the blade is prevented from being manually controlled.

Description

Portable mower

Technical Field

The invention relates to the technical field of backpack mowers, in particular to a portable mower.

Background

The patent that discloses a laborsaving small-size electric mower in current chinese patent database, this patent application number is 201720034711.X, and the application date is 2017.01.12, and the publication number of granting is CN206402706U, and the publication date of granting is 2017.08.15, and the device includes: mobile jib, fender grass board, cutting blade, gyro wheel, auxiliary handle, grab handle, couple and pivot, spike branch is installed to the mobile jib below, and spike branch below is provided with the support frame, fender grass board top is connected with the mobile jib, the gear box is installed to the cutting blade top, and is connected with the mobile jib on the left of the gear box, the gyro wheel top is provided with the support frame, the auxiliary handle below is fixed with the mobile jib, and installs the braces above the mobile jib, the grab handle below is provided with the battery, and installs drive arrangement on the battery right side, the couple top is connected with the mobile jib, the pivot top is provided with spike branch, and the link is installed in spike branch left side. The disadvantages are that: because the ground of the lawn to be trimmed is uneven, the main rod in the above document saves manpower through the supporting foot supporting rod, but the supporting foot supporting rod is in contact with the ground and is influenced by landform, so that the movement of the supporting foot supporting rod is influenced, the maneuverability of the whole mower is influenced, and the distance between the cutting blade and the ground is influenced due to the uneven ground, so that the trimmed lawn is uneven.

Disclosure of Invention

The invention aims to provide a backpack mower which is simple in structure and labor-saving to operate, aiming at the defects of poor maneuverability, deep influence of landform and uneven trimmed lawn in the prior art.

In order to achieve the purpose, the invention discloses a portable mower which adopts the technical scheme that:

the utility model provides a lightweight lawn mower, includes the mobile jib, and mobile jib one end is connected with power device, and the mobile jib other end is connected with the drive wheel, the transmission is connected between power device and the drive wheel, coaxial arrangement has the blade on the drive wheel, the sliding sleeve has been cup jointed in the last slip of mobile jib, and the sliding sleeve side articulates there is the part of tying up, the sliding sleeve top spin has connect first hand nut, and first hand nut free end is contradicted on the mobile jib outer wall, avoids the sliding sleeve to slide, it articulates the mobile jib at operating personnel waist to tie up the part.

When the lawn trimmer works, the bundling part is fixed at the waist of an operator, the position of the sliding sleeve on the main rod is adjusted, the power device and the driving wheel are in a lever balance state, the blade is attached to a lawn to be trimmed, the first hand-turning nut is rotated, the free end of the first hand-turning nut is abutted to the outer wall of the main rod, the sliding sleeve is prevented from sliding, the power device is started, the blade is rotated, and the operator holds the main rod with hands to trim the lawn.

Compared with the prior art, the invention has the beneficial effects that: the sliding sleeve is hinged with the bundling part and is matched with the main rod, the sliding sleeve becomes a movable fulcrum, the power device and the transmission wheel become a lever mechanism, and the power device enables the blade to be attached to the surface of the lawn to be trimmed by utilizing the principle of lever balance, so that the blade is prevented from being manually controlled.

The fixed connection has the otic placode on the mobile jib that is located the sliding sleeve both ends, the otic placode is used for injecing the sliding sleeve and slides the displacement.

The gear is arranged on the main rod between the two ear plates, the sliding sleeve is provided with a through groove, and a gear meshed with the gear is hinged in the through groove. The gear is matched with the teeth, so that the position of the sliding sleeve on the main rod is finely adjusted, and the balance of the main rod is ensured.

Each ear plate is provided with a through hole and also comprises a strap hung on the shoulder of an operator, one end of the strap is connected with the through hole of one ear plate, and the other end of the strap is connected with the through hole of the other ear plate. The strap auxiliary binding device firmly fixes the main rod on the body of an operator.

The rigid coupling has the auxiliary handle that the control mobile jib turned to on being located the mobile jib of drive wheel one end, auxiliary handle is including cup jointing the sleeve pipe on the mobile jib, the rigid coupling has the U type frame of vertical setting on the sleeve pipe, the middle part and the sleeve pipe rigid coupling of U type frame, the vertical upwards setting of both sides pole free end of U type frame, the rubber sleeve has all been cup jointed to the both sides pole of U type frame, form and hold the portion, the middle part and the mobile jib of U type frame are the cross setting, the sleeve pipe top spin has connect the second hand nut, the conflict of second hand nut free end is on the mobile jib outer wall, avoid the sleeve pipe to slide.

A grass blocking plate is fixedly connected to the main rod between the auxiliary handle and the driving wheel and used for blocking cut grass pieces and avoiding the grass pieces from splashing.

The power device is a gasoline engine or a diesel engine and is in transmission connection with the transmission wheel through a flexible shaft.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the auxiliary handle of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a of fig. 1.

The device comprises a main rod 1, ear plates 101, teeth 102, braces 103, a power device 2, a driving wheel 3, a blade 4, a sliding sleeve 5, a binding part 501, a first hand-screwed nut 502, a through groove 503, a gear 504, an auxiliary handle 6, a sleeve 601, a U-shaped frame 602, a second hand-screwed nut 603 and a grass baffle 7.

Detailed Description

As shown in fig. 1-3, a portable mower comprises a main rod 1, a power device 2 connected to one end of the main rod 1, the power device 2 being a gasoline engine or a diesel engine, the power device 2 being in transmission connection with a transmission wheel 3 via a flexible shaft, the other end of the main rod 1 being connected to the transmission wheel 3, the power device 2 being in transmission connection with the transmission wheel 3, a blade 4 being coaxially installed on the transmission wheel 3, a sliding sleeve 5 being slidably sleeved on the main rod 1, a binding member 501 being hinged to a side surface of the sliding sleeve 5, a first hand nut 502 being rotatably connected to the sliding sleeve 5, a free end of the first hand nut 502 abutting against an outer wall of the main rod 1 to prevent the sliding sleeve 5 from sliding, the main rod 1 being hinged to a waist of an operator by the binding member 501, ear plates 101 being fixedly connected to the main rod 1 at both ends of the sliding sleeve 5, the ear plates 101 being used for limiting sliding displacement of the sliding sleeve 5, each, one end of the strap 103 is connected to the through hole of one ear plate 101, and the other end of the strap 103 is connected to the through hole of the other ear plate 101. The strap 103 assists the binding apparatus, fix the main pole 1 firmly on the operator, the main pole 1 located between two ear plates 101 is equipped with the tooth 102, the sliding sleeve 5 is equipped with the through slot 503, the through slot 503 is articulated with the gear 504 engaged with the tooth 102. The gear 504 is matched with the teeth 102, so as to finely adjust the position of the sliding sleeve 5 on the main rod 1, so as to ensure the balance of the main rod 1, an auxiliary handle 6 for controlling the steering of the main rod 1 is fixedly connected to the main rod 1 at one end of the driving wheel 3, the auxiliary handle 6 comprises a sleeve 601 sleeved on the main rod 1, a vertically arranged U-shaped frame 602 is fixedly connected to the sleeve 601, the middle part of the U-shaped frame 602 is fixedly connected to the sleeve 601, the free ends of the two side rods of the U-shaped frame 602 are vertically arranged upwards, rubber sleeves are sleeved on the two side rods of the U-shaped frame 602 to form a hand holding part, the middle part of the U-shaped frame 602 is arranged in a cross with the main rod 1, a second hand nut 603 is rotatably connected to the sleeve 601, the free end of the second hand nut 603 is abutted to the outer wall of the main rod 1 to prevent the sleeve 601 from sliding, a grass blocking plate 7 is fixedly connected to the, the grass pieces are prevented from splashing.

During operation, to tie up part 501 and fix between the operating personnel waist, adjust the position of sliding sleeve 5 on mobile jib 1, make power device 2 and drive wheel 3 be the lever balance form, blade 4 is attached on the lawn of treating the pruning, rotatory first hand nut 502, make the free end of first hand nut 502 contradict on mobile jib 1 outer wall, avoid sliding sleeve 5 to slide, overlap braces 103 on the operating personnel shoulder, adjust the position of auxiliary handle 6 on mobile jib 1, rotatory second hand nut 603, make the free end of second hand nut 603 contradict on mobile jib 1 outer wall, the operating personnel of being convenient for snatch, start power device 2, blade 4 is rotatory, operating personnel holds up mobile jib 1 in hand, prune the lawn.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims

1. The utility model provides a portable lawn mower, includes the mobile jib, mobile jib one end is connected with power device, and the mobile jib other end is connected with the drive wheel, the transmission is connected between power device and the drive wheel, coaxial arrangement has blade, its characterized in that on the drive wheel: the sliding sleeve is sleeved on the main rod in a sliding mode, the side face of the sliding sleeve is hinged with a binding component, the sliding sleeve is screwed with a first hand nut, the free end of the first hand nut is abutted to the outer wall of the main rod, the sliding sleeve is prevented from sliding, the main rod is hinged between the waists of an operator by the binding component, the main rod at the two ends of the sliding sleeve is fixedly connected with ear plates, the ear plates are used for limiting sliding displacement of the sliding sleeve, teeth are arranged on the main rod between the two ear plates, a through groove is formed in the sliding sleeve, a gear meshed with the teeth is hinged in the through groove, through holes are formed in the ear plates, the binding device further comprises a strap hung on the shoulder of the operator, one end of the strap is connected with the through hole of one ear plate, the other end of the strap is connected with the through hole of the other ear plate, an auxiliary handle for controlling the steering of, the rigid coupling has the U type frame of vertical setting on the sleeve pipe, the middle part and the sleeve pipe rigid coupling of U type frame, the vertical upwards setting of both sides pole free end of U type frame, and the both sides pole of U type frame has all cup jointed the rubber sleeve, forms the portion of holding, and the middle part and the mobile jib of U type frame are the cross setting, and the sleeve pipe top spin has connect the second hand-operated nut, and the conflict of second hand-operated nut free end is on the mobile jib outer wall, avoids the sleeve pipe to slide.

2. A portable lawnmower according to claim 1, wherein: a grass blocking plate is fixedly connected to the main rod between the auxiliary handle and the driving wheel and used for blocking cut grass pieces and avoiding the grass pieces from splashing.

3. A portable lawnmower according to claim 1, wherein: the power device is a gasoline engine or a diesel engine and is in transmission connection with the transmission wheel through a flexible shaft.