CN207099777U

CN207099777U - A kind of garden shear

Info

Publication number: CN207099777U
Application number: CN201720926260.0U
Authority: CN
Inventors: 汤文倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-28
Filing date: 2017-07-28
Publication date: 2018-03-16
Anticipated expiration: 2027-07-28

Abstract

The utility model discloses a kind of garden shear,Include cutter head and support,The cutter head rear portion is connected with up knob,The support rear portion is connected with lower handle,The front end of the cutter head is provided with blade,Lever force-saving structure is connected between the cutter head and support,The lever force-saving structure includes housing,Formed with installation cavity in the housing,Hexagon rotating shaft is provided with the installation cavity,The both ends of the hexagon rotating shaft are separately fixed in the relative side wall in two sides of the installation cavity,Gear card is additionally provided with the installation cavity,The gear card is set in the hexagon rotating shaft,When hexagon axis of rotation,The gear card can be driven to rotate,The lower handle is set in the hexagon rotating shaft and can drive the hexagon axis of rotation,Engaged with the gear card at the rear portion of the cutter head,Rotating shaft is provided with the up knob,The cutter head is set in the rotating shaft and can be around the axis of rotation.

Description

A kind of garden shear

Technical field

The utility model relates generally to technical field of garden, more particularly to a kind of garden shear.

Background technology

At present, China's garden instrument industry is quickly grown.Garden shear because its be easy to build branch the characteristics of, as most For one of common garden instrument, its status in the industry is self-evident.But long-time high-frequency use, user is but It is sick and wounded easily to suffer from various accumulation property, influences work, or even normal ox lives.This is all produced for user's wooden man and this industry Ox negative impact.In the U.S., caused by injury compensation about is due to hand tools, lose every year more than hundred million.This be by It is fixed, structure as the necessary passive adaptation of user in the angle of its cutter head of traditional garden shear and handle, although Both to handle and it is moulded carry out fixed man-machine design, but due to user's sex, the difference at age, in shear history In be all to have that different degrees of palmar is inclined, and long-term high frequency use easily causes the diseases such as tenosynovitis.

The content of the invention

In view of the deficienciess of the prior art, the utility model aim to provide it is a kind of more easily it is laborsaving and safer Garden shear.

To achieve the above object, the utility model provides following technical scheme：

A kind of garden shear, include cutter head and support, the cutter head rear portion is connected with up knob, and the support rear portion connects Lower handle is connected to, the front end of the cutter head is provided with blade, lever force-saving structure is connected between the cutter head and support, The lever force-saving structure includes housing, and formed with installation cavity in the housing, six sides are provided with the installation cavity Shape rotating shaft, the both ends of the hexagon rotating shaft are separately fixed in the relative side wall in two sides of the installation cavity, in the installation Gear card is additionally provided with chamber, the gear card is set in the hexagon rotating shaft, when hexagon axis of rotation, energy The gear card is driven to rotate, the lower handle is set in the hexagon rotating shaft and the hexagon rotating shaft can be driven to turn Dynamic, the rear portion of the cutter head is engaged with the gear card, and rotating shaft is provided with the up knob, and the cutter head is set in institute State in rotating shaft and can be around the axis of rotation.

As it is of the present utility model preferably, opened up in the front end of the gear card formed with depressed part and in depressed part Have groove tooth, in the flank of tooth of the rear end of the cutter head formed with arc, the flank of tooth can extend in the depressed part and with it is described Groove tooth engages.

As concrete technical scheme of the present utility model, in the support and the up knob, the up knob and described Locking bar is connected between lower handle.

As improvement of the present utility model, blade is fixed with the front portion of the cutter head, the blade has circular arc Tip, the bottom of the blade is cutting part, and the tip will be longer than the cutting part.

As further improvement of the utility model, left regulation wheel is provided with the bracket, and the left regulation wheel passes through same Step band is connected with the hexagon rotating shaft.

Compared with prior art, the utility model has the advantage of：The fixed angle of cutter head and handle can be adjusted so that Trimming process is more laborsaving, additionally by setting locking bar, it is necessary to which scissors could normal work on the premise of Jian locking bars are beaten backward Make, safer, finally, the tip of blade is in arc-shaped and slightly prominent forward, can be to a certain extent when opening Anti- native hand is scratched by blade, more reduces the infringement to people when inadvertently falling off.

Brief description of the drawings

Fig. 1 is the structural representation of garden shear in the utility model embodiment；

Fig. 2 is the schematic diagram of lever force-saving structure；

Fig. 3 is left regulation wheel and the linkage structure schematic diagram of hexagon rotating shaft.

Embodiment

The embodiment of garden shear in the utility model is described further referring to the drawings.

As shown in drawings, the present embodiment is a kind of garden shear, includes cutter head 1 and support 2, and support is located under cutter head Portion, up knob 3 is connected with the rear portion of cutter head, lower handle 4 is connected with the rear portion of support, the front end of cutter head is provided with blade 5, blade has the tip 51 of circular arc, and the bottom of blade is cutting part 52, and circular arc tip will be longer than cutting part, i.e. circular arc Tip is that protrusion is set, and anti-native hand can be scratched to a certain extent by blade when opening, more reduce and inadvertently fall off When infringement to people.

Up knob and lower handle are made using ABS material, have relatively comfortable feel after holding, in up knob with The surface of handle carries out overground sand material matter processing, them is had preferable gripability.And blade then uses with cutter head Stainless steel material is made, different from the Gao Chengmu of copper, the susceptibility-to-corrosion of steel, aluminium can not be plating resistance, stainless steel is relative because of its Cheap price, high stability, become the manufacture material of blade and cutter head in the present embodiment the characteristics of high intensity.

Lever force-saving structure is connected between cutter head and support, the lever force-saving structure includes housing 6, in the housing Formed with installation cavity, hexagon rotating shaft 7 is provided with installation cavity, the both ends of the hexagon rotating shaft are separately fixed at installation cavity In the relative side wall in two sides, i.e., on the tow sides of housing.Gear card 8, gear card sleeve are socketed with hexagon rotating shaft It is located in hexagon rotating shaft, when hexagon axis of rotation, can be rotated with moving gear card, the front end of gear card is formed with recessed Fall into and portion and groove tooth 81 is offered in depressed part, in the flank of tooth 11 of the rear end of cutter head formed with arc, the flank of tooth can extend in Engage in the depressed part and with the groove tooth thus when hexagon turn shaft driven gear card rotate when, just can by groove tooth with The meshing relation band dynamic cutter head of the flank of tooth rotates backward, and so-called rotate backward refers specifically to, and lower handle is also set in six sides In shape rotating shaft and the hexagon axis of rotation can be driven, when handle rotates down instantly, hexagon rotating shaft can be driven along up time Pin direction is rotated, and now gear card rotates clockwise with hexagon rotating shaft together, and by meshing relation, cutter head is then sent out Give birth to and rotated counterclockwise, be i.e. the front end of cutter head rotates down, it is possible thereby to cut-off blade, branch etc..

In order to which the rotation progress to cutter head is spacing so that the front end of cutter head will not cause that transverse direction occurs because torque is long Skew, is provided with rotating shaft 31, cutter head is set in rotating shaft and can rotated around the axis on up knob.Support and up knob, on Locking bar 9 is connected between handle and lower handle.The end of locking bar is detachably mounted to up knob, support and lower by screw rod On hand, it is necessary to scissors could normally work on the premise of Jian locking bars are beaten, when not in use, by locking bar by up knob, under Handle and support progress are spacing, prevent them from being vibrated by unexpected, cause the blade on cutter head to occur to close by mistake so that The scissors of the present embodiment is safer.

In order to which unexpected skidding occurs without using hexagon rotating shaft during scissors, left regulation wheel 10, the tune are provided with support Section wheel is connected by timing belt 101 with the hexagon rotating shaft, when that need not use scissors, timing belt is put, works as skidding When phenomenon occurs, hexagon rotating shaft can conduct the small rotatory force for making it skid to left regulation wheel by timing belt, and left regulation wheel is It is threaded on support, the skidding rotatory force of this part can be offset by threaded engagement power.When needing to use scissors, Timing belt need to only be taken.

It is described above to make preferred embodiment of the present utility model, do not depart from for the person of ordinary skill of the art On the premise of the utility model principle, some variations and modifications can also be made, these also should be regarded as protection of the present utility model Scope.

Claims

1. a kind of garden shear, includes cutter head and support, the cutter head rear portion is connected with up knob, the support rear portion connection There is lower handle, it is characterised in that：The front end of the cutter head is provided with blade, lever is connected between the cutter head and support Labor-saving structure, the lever force-saving structure include housing, formed with installation cavity in the housing, are set in the installation cavity It is equipped with hexagon rotating shaft, the both ends of the hexagon rotating shaft are separately fixed in the relative side wall in two sides of the installation cavity, Gear card is additionally provided with the installation cavity, the gear card is set in the hexagon rotating shaft, when hexagon rotating shaft During rotation, the gear card can be driven to rotate, the lower handle is set in the hexagon rotating shaft and can drive described six Side shape axis of rotation, the rear portion of the cutter head are engaged with the gear card, and rotating shaft, the knife are provided with the up knob Headgear is located in the rotating shaft and can be around the axis of rotation.

2. garden shear according to claim 1, it is characterised in that：In the front end of the gear card formed with depressed part And groove tooth is offered in depressed part, in the flank of tooth of the rear end of the cutter head formed with arc, the flank of tooth can extend in described Engaged in depressed part and with the groove tooth.

3. garden shear according to claim 1, it is characterised in that：The support and the up knob, it is described on handle Locking bar is connected between hand and the lower handle.

4. garden shear according to claim 1, it is characterised in that：Blade is fixed with the front portion of the cutter head, it is described Blade has the tip of circular arc, and the bottom of the blade is cutting part, and the tip will be longer than the cutting part.

5. according to the garden shear described in claim 1-4 any one, it is characterised in that：Regulation is provided with the bracket Wheel, the left regulation wheel are connected by timing belt with the hexagon rotating shaft.