CN209930990U

CN209930990U - Tool apron assembly of hedge shears

Info

Publication number: CN209930990U
Application number: CN201821831659.1U
Authority: CN
Inventors: 王楚新; 周海军; 蒋小华
Original assignee: Zhejiang Zhuoyuan Electromechanical Technology Co Ltd
Current assignee: Zhejiang Zhuoyuan Electromechanical Technology Co Ltd
Priority date: 2018-11-07
Filing date: 2018-11-07
Publication date: 2020-01-14
Anticipated expiration: 2028-11-07

Abstract

The utility model provides a blade holder assembly that hedge shears establishes the arrangement intracavity in hedge shears the place ahead, and arrangement chamber bottom is equipped with the gear box, and the output shaft of gear box stretches out to arranging in the chamber, and the output shaft tip is the spline, and the blade holder assembly includes two upper and lower circular shape outer side pieces, is equipped with the eccentric wheel in the middle of the outer side piece, and outer side piece and eccentric wheel relatively fixed, output shaft pass outer side piece and eccentric wheel, be equipped with the spline groove in the middle of the eccentric wheel, outer side piece and eccentric wheel rotate in step, and the knife rest one end that hedge shears is equipped with the roller cover, and the roller cover is established between two outer side pieces, moves the blade holder restriction simultaneously and is settling intracavity internal energy rectilinear sliding, and the eccentric wheel is established and is promoted the roller cover reciprocating motion in the roller cover, the outer side piece is. The utility model can be taken out of the whole knife holder assembly, and the replacement is very convenient; the eccentric wheel structure is optimized, and the manufacture is simpler.

Description

Tool apron assembly of hedge shears

Technical Field

The utility model relates to a garden instrument field, especially a blade holder assembly that hedge shears.

Background

Be equipped with the blade like the sawtooth on the blade holder of hedge shears, the blade need realize reciprocating motion and just can cut, be current general mounting means like this structure of patent No. CN201120167592.8, need several parts to pull down one by one after the blade is dismantled to new blade holder is again put on one by one, and this kind of structure needs certain professional knowledge just can change, and is comparatively troublesome, and the gear is not in the gear box simultaneously, is difficult to obtain better lubrication.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem of current, provide a blade holder assembly of hedge shears.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a blade holder assembly of hedge shears, establishes the arrangement intracavity in hedge shears the place ahead, and arrangement chamber bottom is equipped with the gear box, and the output shaft of gear box stretches out to arranging in the chamber, and the output shaft tip is the spline, its characterized in that, blade holder assembly include two upper and lower circular shape outside pieces, be equipped with the eccentric wheel in the middle of the outside piece, outside piece and eccentric wheel relatively fixed, the output shaft passes outside piece and eccentric wheel, be equipped with the spline groove in the middle of the eccentric wheel, outside piece and eccentric wheel synchronous rotation, the knife rest one end of hedge shears is equipped with the roller cover, and the roller cover is established between two outside pieces, moves the blade holder restriction simultaneously and is settling intracavity internal energy rectilinear sliding, and the eccentric wheel is established and is promoted the roller cover reciprocating motion in the roller cover, the outside piece is pressed from both sides the eccentric.

The top end of the output shaft is provided with a bolt, the bolt penetrates through one outer side plate to be connected into the bolt hole, and the bolt limits the outer side plate to be separated from the output shaft.

Two connecting pins are arranged between the two outer side plates and penetrate through the eccentric wheel.

An upper eccentric wheel, a lower eccentric wheel and two rolling sleeves are arranged in the middle of the outer side plate, the two eccentric wheels are separated by the middle plate, the upper eccentric wheel and the lower eccentric wheel are staggered, and each rolling sleeve is connected with a movable cutter holder.

The movable cutter seat and the roller sleeve are of an integrated structure, and a plurality of blades are arranged on the side edge of the movable cutter seat.

The rolling sleeve comprises two semicircles and a tangent edge connecting the two semicircles.

The movable cutter seat is provided with a plurality of superposed fixed cutter seats, bolts penetrate through the movable cutter seats and the fixed cutter seats, at least one screw is connected in the arranging cavity, the movable cutter seat is provided with a long groove, and the screw is arranged in the long groove.

A cover cap is arranged above the placement cavity, a sponge is arranged on the cover cap, lubricating oil is arranged in the sponge, and the sponge contacts the outer side sheet.

Compared with the prior art, the utility model can integrally take out the whole cutter holder assembly, and the replacement is very convenient; the structure of the eccentric wheel is optimized, and the manufacture is simpler; meanwhile, a lubricating system is added, and the use is smooth.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic reverse side view of the present invention.

Fig. 3 is a schematic view of the eccentric wheel of the present invention.

In the figure 1, a movable tool apron; 2, cutting blades; 3, screwing; 4 long grooves; 5 connecting pins; 6, eccentric wheel; 7 outer side sheets; 8, spline grooves; 9, rolling; 9-1 inside the roller sleeve; 10 a placement cavity; 11 splines; 12 an output shaft; 13 chute; 14 a cover cap; 15 sponge; 16 middle sheets; 17 fixed tool seat

Detailed Description

The invention is further described with reference to the following figures and examples.

Fig. 1-2 show that, the utility model discloses establish in settling chamber 10 in the place ahead is cut to the hedge, settling chamber 10 bottom is equipped with the gear box, and the output shaft 12 of gear box stretches out to settling chamber 10 in, and output shaft 12 tip is spline 11, and settling chamber 10 the place ahead is equipped with straight line form spout 13.

The tool apron assembly comprises an upper circular outer side sheet 7 and a lower circular intermediate sheet 16, an eccentric wheel 6 is clamped between the outer side sheet 7 and the intermediate sheet 16, and the two eccentric wheels 6 are staggered up and down. Two connecting pins 5 are arranged between the two outer side plates 7, the connecting pins 5 penetrate through an eccentric wheel 6 and an intermediate plate 16, the outer side plates 7 and the intermediate plate 16 are fixed relative to the eccentric wheel 6, an output shaft 12 penetrates through the outer side plates 7, the intermediate plate 16 and the eccentric wheel 6, a spline 11 groove 8 is formed in the middle of the eccentric wheel 6, and the outer side plates 7, the intermediate plate 16 and the eccentric wheel 6 rotate synchronously. The top end of the output shaft 12 is provided with a bolt, the bolt penetrates through one outer side plate 7 to be connected into the bolt hole, and the bolt limits the outer side plate 7 to be separated from the output shaft 12.

The device is provided with two movable tool apron 1, one end of the movable tool apron 1 is provided with a roller 9, as shown in figure 3, the interior 9-1 of the roller comprises two semicircles and a tangent edge connecting the two semicircles, the eccentric wheel 6 rotates along the interior 9-1 of the roller, and the roller 9 moves along with the roller. The movable cutter holder 1 and the roller 9 are integrated, a plurality of blades 2 are arranged on the side edge of the movable cutter holder 1, and the roller 9 is sleeved on the eccentric wheel 6. The lower part of the movable cutter holder 1 is provided with a superposed fixed cutter holder 17, bolts penetrate through the movable cutter holder 1 and the fixed cutter holder 17, at least one screw 3 is connected in the arranging cavity 10, the movable cutter holder 1 is provided with a long groove 4, and the screw 3 is arranged in the long groove 4. The design aim is that the whole assembly can be taken out and installed integrally.

The movable cutter seat 1 and the fixed cutter seat 17 are partially arranged in the sliding chute 13, the movable cutter seat 1 is limited in the sliding chute 13 and can linearly slide, and the eccentric wheel 6 is arranged in the roller 9 to push the roller 9 to reciprocate.

A cover 14 is arranged above the placement cavity 10, a sponge 15 is arranged on the cover 14, lubricating oil is arranged in the sponge 15, and the sponge 15 is in contact with the outer side sheet 7 and used for extrusion lubrication.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a blade holder assembly of hedge shears, establishes the arrangement intracavity in hedge shears the place ahead, and arrangement chamber bottom is equipped with the gear box, and the output shaft of gear box stretches out to arranging in the chamber, and the output shaft tip is the spline, its characterized in that, blade holder assembly include two upper and lower circular shape outside pieces, be equipped with the eccentric wheel in the middle of the outside piece, outside piece and eccentric wheel relatively fixed, the output shaft passes outside piece and eccentric wheel, be equipped with the spline groove in the middle of the eccentric wheel, outside piece and eccentric wheel synchronous rotation, the knife rest one end of hedge shears is equipped with the roller cover, and the roller cover is established between two outside pieces, moves the blade holder restriction simultaneously and is settling intracavity internal energy rectilinear sliding, and the eccentric wheel is established and is promoted the roller cover reciprocating motion in the roller cover, the outside piece is pressed from both sides the eccentric.

2. A hedge trimmer blade holder assembly according to claim 1 wherein the output shaft is provided at its top end with a bolt which is received in a bolt hole through an outer plate, the bolt limiting the outer plate from being removed from the output shaft.

3. A hedge shears blade holder assembly according to claim 1 or 2, wherein two connecting pins are provided between the outer side plates, the connecting pins passing through the eccentric.

4. A hedge shears blade holder assembly according to claim 1 or 2, wherein the outer side plate is provided with two eccentric wheels and two rollers in the middle, the two eccentric wheels are separated by the middle plate, the two eccentric wheels are staggered up and down, and each roller is connected with a movable blade holder.

5. A hedge shears blade holder assembly according to claim 4, wherein the movable blade holder is integrated with the roller sleeve, and the side of the movable blade holder is provided with a plurality of blades.

6. A hedge shears blade holder assembly according to claim 1 or 2 wherein the roller comprises two semi-circles and a tangent line connecting the two semi-circles.

7. A tool apron assembly of a hedge shears according to claim 4, characterized in that, the lower part of the moving tool apron is provided with a superposed fixed tool apron, bolts are arranged to pass through the moving tool apron and the fixed tool apron, wherein at least one screw is connected in the arranging cavity, the moving tool apron is provided with a long groove, and the screw is arranged in the long groove.

8. A hedge shears blade holder assembly according to claim 1 or 2, wherein a cover is provided above the housing chamber, a sponge is provided on the cover, a lubricant is provided in the sponge, and the sponge contacts the outer side plate.