CN2935767Y

CN2935767Y - Telescopic branch shear

Info

Publication number: CN2935767Y
Application number: CN 200620034631
Authority: CN
Inventors: 廖乐春
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-16
Filing date: 2006-06-16
Publication date: 2007-08-22
Anticipated expiration: 2016-06-16

Abstract

The utility model relates to flexible pruning scissors that are comprised of a fixed knife 11 and a movable knife 13 as well as a repositioning spring 09. The utility model is characterized in that: the fixed knife 11 is fixed at the end of an internal tube 06; the tail of the movable knife 13 is connected with a pull rod 07 that is arranged inside the internal tube 06; the front end and the back end of the internal tube 06 are both provided with small holes; the inner wall of the internal tube 06 is provided fixedly with a plate spring 15 having a protruding; the protruding on the plate spring 15 is arranged inside the small holes and protrudes out from the small holes; the internal tube 06 is arranged inside an external tube 04; the side wall at the front end of the external tube 04 is provided with small holes that are matched with the plate spring 15, while the back end is fixed on a shell 01 and 19; the shell o1 and 19 is provided with a slide handle 02; a small tube 05 is fixed on the slide handle 02; the small tube is arranged inside the external tube 04; the front end of the small tube 05 is provided with small holes; the other end of the pull rod is arranged inside the small holes; and the slide handle 02 is also provided with a locker 03 that is locked with the other end of the pull rod 07.

Description

Telescopic beta pruning scissors

One, technical field

The utility model relates to a kind of telescopic beta pruning scissors that crops are plucked fruit or pruning that is mainly used in, other high-altitudes or narrow occasion that the needs that this scissors also can be used to be difficult to operate are sheared.This scissors is specially adapted to pluck Chinese prickly ash.

Two, background technology

At present, the low and big shortcoming of labour intensity at the artificial picking efficiency of Chinese prickly ash, people have designed the device of multiple harvesting Chinese prickly ash.The electronic picking machine of a kind of hand-held Chinese prickly ash has been introduced in patent application as CN01236860.1, comprises housing, and battery and motor are housed in the housing, and housing has shift knob outward, it is characterized in that the output axle head of motor is equipped with cutter.Be close to cutter and can install and help chipping, hand-held device of the present utility model is cut cane from top to bottom rapidly along branch; A kind of Chinese prickly ash harvesting apparatus has been introduced in the CN02268718.1 patent application, its structure is to be made of casing, casing handle, operating mechanism, tube connector and collecting box, operating mechanism is arranged on the top of casing, tube connector is arranged between bottom of shell and the collecting box, and the casing handle is arranged on the side of casing.But the most volume of the device of existing harvesting Chinese prickly ash is big, the price height, easy-maintaining not, and have also need consumption of power.Particularly the length of shear shank all can't be regulated.

Three, summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, it is little to design a kind of volume, cost is low, maintenance easily, simple in structure, the length of shear shank can be regulated, and manual being applicable to easy and simple to handle plucked the telescopic beta pruning scissors that Chinese prickly ash or other high-altitudes or narrow occasion need be sheared.

The utility model is achieved through the following technical solutions: a kind of telescopic beta pruning scissors, its agent structure comprises dead knife and movable blade, the reseting spring device of movable blade, movable blade is connected with dead knife by pin, it is characterized in that described dead knife is fixed on the wall of an inner tube portion, the movable blade afterbody connects an end of a pull bar, and pull bar is loaded in the interior pipe;

Front-end and back-end at interior pipe all have aperture, are fixed with the sheet spring of band convex body on the inwall that is positioned near the pipe the aperture, and the convex body of sheet spring partly is arranged in aperture and protrudes outside the aperture;

Interior pipe is loaded in the outer tube, has the aperture that cooperates with the sheet spring on the outer tube front end side wall, and outer tube back-end is fixed on the casing, and interior pipe and outer tube constitute can regulate the shear shank of length;

Sliding handle is housed on the casing, is fixed with a tubule on the sliding handle, tubule is loaded in the outer tube, the open rearward end of tubule, front end has aperture, the other end of pull bar be placed in this aperture and the drawhead section of the rear end face of pull bar greater than the diameter of tubule front end aperture;

On sliding handle, also be provided with can with the dead lock of the other end locking of pull bar.

In the utility model, pull bar both can be fixed on the movable blade, also can be articulated on the movable blade.

According to different purposes, utilize the design's thinking, can also cause the shear shank of the multi-joint telescoping that constitutes by many sleeve pipes (interior pipe and outer tube).In fact, its flexible principle is identical with the flexible principle of umbrella support.

Described reseting spring device comprises the back-moving spring that is placed on the pull bar, is fixed in the pad that is positioned at the back-moving spring front end on the pull bar, is fixed in the spring abutment that is positioned at the back-moving spring rear end on the inner tube wall.The spring that the pipe other end was connected on the movable blade in reseting spring device also can be fixed in by one one end constitutes.

The both sides of described movable blade also are provided with limited block.Excessively open or closure with the restraint cutter.

Described dead lock comprises the guide pad that is fixed on the sliding handle, inserts in the latching member in the guide pad, has " U " shape groove on the latching member, should " U " shape channel section greater than the pull bar diameter less than the diameter of drawhead.Dead lock also can adopt other structure, its objective is when interior pipe is fully retracted, dead lock can with pull bar locking on sliding handle with the same moved further of sliding handle.

When being used to pluck fruit such as Chinese prickly ash, a fruit be can also adorn at the front end of interior pipe and pocket or bag collected, so that directly falling into, collects in pocket or the bag fruit of being cut.

The utility model compared with prior art, and is simple in structure, easy and simple to handle, provides a kind of effective manual machine tool for plucking Chinese prickly ash.This scissors operates very simple, and it provides a kind of highly desirable harvesting tool for mountain area people's establishing in large scale Chinese prickly ash than improving work efficiency more than four to five times with common scissors.Can also adjust the length of shear shank according to the differing heights of setting.

Four, description of drawings

Fig. 1 is the elongation of the utility model embodiment, the cutaway view of cutter open configuration.

Fig. 2 is the elongation of the utility model embodiment, the cutaway view of cutter closure state.

Fig. 3 is the contraction of the utility model embodiment, the cutaway view of cutter open configuration.

Fig. 4 is the A-A echelon sectional view of Fig. 1.

Fig. 5 is the B-B cutaway view of Fig. 1.

Fig. 6 is the C partial enlarged drawing of Fig. 1.

The C2 partial enlarged drawing of Fig. 7 Fig. 3.

Fig. 8 is that the K of Fig. 1 is to view.

The K2 of Fig. 9 Fig. 3 is to view.

Among the figure: 01 left casing, 02 sliding handle, 03 dead lock, 04 outer tube, 05 tubule, 06 interior pipe, 07 pull bar, 08 spring abutment, 09 spring, 10 pads, 11 dead knives, 12 pins, 13 movable blade, 14 limited blocks, 15 springs, 16 stiffeners, 17 connect screw, 18 limited blocks, 19 right casings, 20 drawheads, 21 guide pads.

Five, embodiment

Below in conjunction with accompanying drawing the utility model is done detailed description.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, a kind of telescopic beta pruning scissors, its agent structure comprises dead knife 11 and movable blade 13, back-moving spring 09 device of movable blade 13, movable blade 13 is connected with dead knife 11 by pin 12, it is characterized in that described dead knife 11 is fixed on the wall of pipe 06 end in, movable blade 13 afterbodys connect an end of a pull bar 07, manage in 06 in pull bar 07 is loaded on;

Front-end and back-end at interior pipe 06 all have aperture, are fixed with the sheet spring 15 of band convex body on the inwall that is positioned near the pipe 06 the aperture, and the convex body of sheet spring 15 partly is arranged in aperture and protrudes outside the aperture;

Interior pipe 06 is loaded in the outer tube 04, has the aperture that cooperates with sheet spring 15 on outer tube 04 front end side wall, and outer tube 04 rear end is fixed on the

casing

01,19;

On the

casing

01,19 sliding handle 02 is housed, be fixed with a tubule 05 on the sliding handle 02, tubule 05 is loaded in the outer tube 04, the open rearward end of tubule 05, front end has aperture, the other end of pull bar 07 be placed in this aperture and drawhead 20 sections of the rear end face of pull bar 07 greater than the diameter of tubule 05 front end aperture;

On sliding handle 02, also be provided with can with the dead lock 03 of the other end locking of pull bar 07.

Back-moving spring 09 device comprises the back-moving spring 09 that is placed on the pull bar 07, is fixed in the pad 10 that is positioned at back-moving spring 09 front end on the pull bar 07, the spring abutment 08 that is positioned at back-moving spring 09 rear end in being fixed on pipe 06 inwall.

Also be provided with limited block 14,18 in the both sides of movable blade 13.

As Fig. 8, Fig. 9, described dead lock 03 comprises the guide pad 21 that is fixed on the sliding handle 02, inserts in the latching member in the guide pad 21, has " U " shape groove on the latching member, should " U " shape channel section greater than pull bar 07 diameter less than the diameter of drawhead 20.On sliding handle 02, also be fixed with stiffener 16.

The operation principle of this telescopic beta pruning scissors is:

When working face is higher, interior pipe 06 is pulled outwardly to the solstics, the sheet spring 15 of pipe 06 afterbody is fixed in outer tube 04 front end with interior pipe 06 in this moment, the drawhead 20 of the rear end face of pull bar 07 is controlled by in the front end aperture of tubule 05 just, move sliding handle 02 backward with hand, sliding handle 02 moves after just driving tubule 05, and tubule 05 moves after driving pull bar 07 again, and pull bar 07 promptly drives movable blade 13 to the closed (see figure 2) of dead knife 11 directions.Unclamp sliding handle 02, under the effect of back-moving spring 09, movable blade 13 is opened (see figure 1) automatically.

When working face is low, with sheet spring 15 under the hand, and interior pipe 06 is pressed in the outer tube 04, the drawhead 20 of pull bar 07 and rear end face is not had no progeny in tubule 05 and is moved at this moment, the open rearward end of exposing tubule 05 until drawhead 20, latching member is inserted downwards, latching member just with pull bar 07 locking on sliding handle 02 and can with sliding handle 02 with the moved further (see figure 3).Backward move sliding handle 02 with hand this moment, and sliding handle 02 moves after just directly driving pull bar 07, and pull bar 07 promptly drives movable blade 13 to dead knife 11 direction closures.Unclamp sliding handle 02, under the effect of back-moving spring 09, movable blade 13 is opened automatically.

In order to make with easy to maintenance,

casing

01,19 can fixedly be made of by connecting screw 17 19 two of left casing 01 and right casings.

Claims

1, telescopic beta pruning scissors, its agent structure comprises dead knife (11) and movable blade (13), back-moving spring (09) device of movable blade (13), movable blade (13) is connected with dead knife (11) by pin (12), it is characterized in that described dead knife (11) is fixed on the wall of pipe (06) end in, movable blade (13) afterbody connects an end of a pull bar (07), and pull bar (07) is loaded in the interior pipe (06);

Front-end and back-end at interior pipe (06) all have aperture, are fixed with the sheet spring (15) of band convex body on the inwall that is positioned near the pipe (06) the aperture, and the convex body of sheet spring (15) partly is arranged in aperture and protrudes outside the aperture;

Interior pipe (06) is loaded in the outer tube (04), has the aperture that cooperates with sheet spring (15) on outer tube (04) front end side wall, and outer tube (04) rear end is fixed on the casing (01,19);

Casing is equipped with sliding handle (02) on (01,19), be fixed with a tubule (05) on the sliding handle (02), tubule (05) is loaded in the outer tube (04), the open rearward end of tubule (05), front end has aperture, the other end of pull bar (07) be placed in this aperture and drawhead (20) section of the rear end face of pull bar (07) greater than the diameter of tubule (05) front end aperture;

On sliding handle (02), also be provided with can with the dead lock (03) of the other end locking of pull bar (07).

2, telescopic beta pruning scissors according to claim 1, it is characterized in that back-moving spring (09) device comprises the back-moving spring (09) that is placed on the pull bar (07), be fixed in the pad (10) that is positioned at back-moving spring (09) front end on the pull bar (07), be fixed in the spring abutment (08) that is positioned at back-moving spring (09) rear end on interior pipe (06) inwall.

3, telescopic beta pruning scissors according to claim 1 is characterized in that also being provided with in the both sides of movable blade (13) limited block (14,18).

4, telescopic beta pruning scissors according to claim 1, it is characterized in that described dead lock (03) comprises the guide pad (21) that is fixed on the sliding handle (02), insert in the latching member in the guide pad (21), have " U " shape groove on the latching member, should " U " shape channel section greater than pull bar (07) diameter less than the diameter of drawhead (20).