CN214070687U - Multifunctional machine head structure of grass trimmer with changeable direction - Google Patents

Abstract

The utility model discloses a multifunctional machine head structure of convertible direction grass trimmer, it is including establishing the overhead shroud at connecting rod front end machine, connect the detachable support on the shroud, be equipped with the gyro wheel on the support, be equipped with rotatable deburring steel wire on the aircraft nose, be equipped with a plurality of fender position portions on the aircraft nose, the rotatory back of deburring steel wire falls into fender position portion, and the deburring steel wire can be spacing realize vertical and horizontal change in keeping off the position portion. The roller of the utility model is connected on the cover, can be adapted to all machine heads, and can be conveniently disassembled; the trimming steel wire can be folded, the folding mode is simple, the trimming steel wire can be pulled to the middle of the relative position only by pulling the trimming steel wire backwards with force, and the trimming steel wire can be used as a handle for a grass trimmer with a rotatable head.

Description

Multifunctional machine head structure of grass trimmer with changeable direction

Technical Field

The utility model belongs to a garden instrument relates to the machine of beating the grass, especially relates to a multi-functional aircraft nose structure of machine of beating the grass of convertible direction.

Background

A grass trimmer is used for cutting all handheld tools for weeds in places such as lawns, gardens, pastures and the like, and comprises a handheld part and an extension rod, wherein the front end of the extension rod is provided with a machine head, and the machine head is provided with a grass trimming rope which can be thrown. The existing grass trimmer head can be provided with a grass trimming rope and also can be provided with a circular saw blade, and the existing grass trimmer head is a structure integrating two functions.

In the grass trimmer disclosed in patent publication No. CN104969712A, rollers and trimming wires are provided on the head to prevent accidental injury to flowers during grass trimming. The structure has multiple functions and can better assist in grass mowing.

However, there is a problem that 1, the roller is sleeved at the connection position of the motor housing, and the roller cannot be installed on the special-shaped housing. 2. The roller has certain weight, and the user who is weak is not used to this kind of weight, but this kind of structure dismantlement is inconvenient, and the holding of long-time high up can feel heavier and heavier more, and this kind of weight. 3. The trimming steel wire is fixed on the machine head, so that flowers can be prevented from being accidentally injured during grass cutting, but the trimming steel wire is easily accidentally stuck on an obstacle to influence hand feeling, is not a necessary structure, and is easily lost after being disassembled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multifunctional machine head structure of a grass trimmer with changeable direction aiming at the prior problems.

The purpose of the utility model can be realized by the following technical proposal: the multifunctional machine head structure of the grass trimmer with the changeable direction is characterized by comprising a cover cap arranged on a machine head at the front end of a connecting rod, a detachable support is connected onto the cover cap, rollers are arranged on the support, rotatable trimming steel wires are arranged on the machine head, a plurality of blocking parts are arranged on the machine head, the trimming steel wires fall into the blocking parts after rotating, and the trimming steel wires can be limited in the blocking parts to realize vertical and horizontal changes.

The two ends of the trimming steel wire are provided with bent parts which are inserted into the two sides of the machine head, the two sides of the machine head are provided with bosses, the bosses are provided with transverse and longitudinal wire grooves, holes are formed in the middles of the bosses and used for inserting the bent parts of the trimming steel wire, and the trimming steel wire falls into one of the two wire grooves during rotation.

The side walls of the two wire grooves are provided with guide parts, and when the trimming steel wire is stressed to rotate, the trimming steel wire can elastically deform and slide out of the wire grooves from the guide parts.

The trimming steel wire has two states, and the trimming steel wire is parallel with the shroud during first state, and the trimming steel wire turns down and is at 70~90 degrees with the shroud between the first state.

The cover cap can rotate relative to the machine head and is fixed by the limiting piece, and the roller can rotate to the corresponding working position along with the rotation of the cover cap.

The support is a metal sheet extending out of the cover cap, a connecting rod is arranged on the metal sheet and connected with the roller, and the connecting rod is connected to the central position of the roller.

The bracket is connected with the cover through screws.

The cover is of a half-open type.

Compared with the prior art, the roller of the utility model is connected on the cover, can be adapted to all machine heads, and can be conveniently disassembled; the trimming steel wire can be folded, the folding mode is simple, the trimming steel wire can be pulled to the middle of the relative position only by pulling the trimming steel wire backwards with force, and the trimming steel wire can be used as a handle for a grass trimmer with a rotatable head.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the boss structure of the present invention.

FIG. 3 is a schematic view of a state of trimming a wire.

FIG. 4 is a schematic view of the state two of trimming steel wires.

FIG. 5 is a rear view of the roller on the cover.

FIG. 6 is a schematic front view of the roller on the cover.

In the figure, 1 battery, 2 holding parts, 3 transmission rods, 4 heads, 5 trimming steel wires, 51 bent parts, 6 bosses, 61 longitudinal wire grooves, 62 transverse wire grooves, 63 guide parts, 7 rollers, 8 covers, 9 rotating buttons, 10 brackets and 11 connecting rods.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

The terms "first," "second," and the like in the description of the invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

As shown in fig. 1, the existing grass trimmer includes a transmission rod 3, a head 4 and a holding portion 2 are disposed at two ends of the transmission rod 3, a battery 1 is disposed on the holding portion 2, a motor is disposed in the head 4, the battery 1 is connected with the head 4 through a wire, and a grass rope is disposed at the front end of the head 4. The handpiece 4 can be rotatably adjusted and can have a rotation angle ranging from 0 to 60 by rotating the knob 9.

The utility model discloses a shroud 8, 8 covers of shroud are established on aircraft nose 4, are equipped with deburring steel wire 5 again on the aircraft nose 4 at 8 backs of shroud. The cover 8 is of a half-open type, and the cover 8 has only half of the shielding position.

In fig. 2, bosses 6 are arranged on two sides of a handpiece 4, a transverse wire casing 62 and a longitudinal wire casing 61 are arranged on the bosses 6, and a hole is arranged in the middle of each boss 6. The two wire grooves are two blocking parts. The trimming steel wire 5 is an elastic member, and the trimming steel wire 5 is integrally bent and formed. The two ends of the trimming steel wire 5 are provided with bending parts 51, the bending parts 51 are inserted into the holes in the middle of the lug bosses 6, and the trimming steel wire 5 is clamped into one of the wire grooves to realize limiting. When the steel wire trimming device rotates, the trimming steel wire 5 falls into the other wire groove, and the trimming steel wire 5 can realize vertical and horizontal changes.

The side walls of the two trunking shown in fig. 3-4 are provided with guide parts 63, and when the trimming steel wire 5 is forced to rotate, the trimming steel wire 5 can elastically deform and slide out of the trunking from the guide parts 63, and then enter the next trunking. The trimming steel wire 5 has two states, the trimming steel wire 5 is parallel to the cover cap 8 in the use state, and the trimming steel wire 5 is turned down and forms an included angle a of 70-90 degrees with the cover cap 8 in the non-use state. The trimming wire 5 is pulled backward to the opposite step by a force.

When the head 4 is rotated at an angle, the trimmer wire 5 can be used as a handle.

In fig. 5-6, the cover 8 can rotate relative to the handpiece 4 and is fixed by a stopper, which is conventionally connected by a screw, a hoop, or the like. The cover cap 8 is connected with a detachable bracket 10, and the bracket 10 is connected with the cover cap 8 through screws. The bracket 10 is provided with a roller 7, and the roller 7 can rotate to a corresponding working position along with the rotation of the cover 8. The bracket 10 is a metal sheet extending out of the cover 8, a connecting rod 11 is arranged on the metal sheet, the connecting rod 11 is connected with the roller 7, and the connecting rod 11 is connected to the central position of the roller 7. The roller 7 is exposed below the half shielding position of the cover 8, so that the grass beating rope can effectively work in a working area when the roller 7 works.

The roller 7 is connected on the cover 8 and can be adapted to all different machine heads 4, and the roller 7 can be conveniently detached.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (10)

1. The multifunctional machine head structure of the grass trimmer with the changeable direction is characterized by comprising a cover cap arranged on a machine head at the front end of a connecting rod, a detachable support is connected onto the cover cap, rollers are arranged on the support, rotatable trimming steel wires are arranged on the machine head, a plurality of blocking parts are arranged on the machine head, the trimming steel wires fall into the blocking parts after rotating, and the trimming steel wires can be limited in the blocking parts to realize vertical and horizontal changes.

2. The multifunctional head structure of a lawn mower as claimed in claim 1, wherein said trimming steel wire has bent portions at both ends thereof, the bent portions are inserted into both sides of the head, bosses are provided at both sides of the head, the bosses are provided with two longitudinal and transverse wire slots, a hole is provided in the middle of the boss for inserting the bent portion of the trimming steel wire, and the trimming steel wire falls into one of the two wire slots when rotating.

3. The multifunctional handpiece structure of a direction-changeable mower according to claim 2, wherein the two wire slots have guide portions on the side walls thereof, and when the trimming steel wire is forced to rotate, the trimming steel wire can be elastically deformed and slide out of the wire slots from the guide portions.

4. The multifunctional head structure of a direction-changeable lawn mower according to claim 3, wherein the trimming steel wire has two states, wherein the trimming steel wire is parallel to the cover cap in the first state, and the trimming steel wire is turned down and forms an angle of 70-90 degrees with the cover cap in the first state.

5. The multifunctional handpiece structure of a grass trimmer according to claim 4, wherein the cover can rotate relative to the handpiece and is fixed by a stopper, and the roller can rotate to a corresponding working position along with the rotation of the cover.

6. The multifunctional handpiece structure of a direction-changeable lawn mower as claimed in claim 5, wherein said support is a metal plate extending out of the cover, and a connecting rod is provided on the metal plate and connected to the roller, and the connecting rod is connected to the center of the roller.

7. The multifunctional handpiece structure of a direction-changeable lawn mower according to claim 6, wherein the bracket is connected with the cover through screws.

8. The multifunctional handpiece structure of a direction-changeable lawn mower as claimed in claim 6, wherein said cover is a half-open type.

9. The multifunctional handpiece structure of a grass trimmer according to claim 1, wherein the cover can rotate relative to the handpiece and is fixed by a stopper, and the roller can rotate to a corresponding working position along with the rotation of the cover.

10. The multifunctional handpiece structure of a direction-changeable lawn mower as claimed in claim 1, wherein said support is a metal plate extending out of the cover, and a connecting rod is provided on the metal plate and connected to the roller, and the connecting rod is connected to the center of the roller.

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