CN201064111Y

CN201064111Y - Pruning machine

Info

Publication number: CN201064111Y
Application number: CNU2007201113341U
Authority: CN
Inventors: 沈高明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-26
Filing date: 2007-06-26
Publication date: 2008-05-28
Anticipated expiration: 2017-06-26

Abstract

Disclosed is a trimming machine. The utility model comprises a shell; a motor is arranged in the shell; a microswitch controlling the motor to rotate or not rotate is arranged in the shell or a handle; a back trigger and a front trigger are cooperative with the contacts of the microswitch through a trigger control mechanism. The utility model is characterized in that an extensible auxiliary handle is in dismountable connection behind the back part of the shell; an auxiliary handle trigger is hinged in rotation to the handlebar at the back part of the extensible auxiliary handle; the front part of the auxiliary handle trigger is directly or indirectly matched and contacted with a push rod in the extensible auxiliary handle, a spring is arranged between the push rod and the extensible auxiliary handle for realizing the contacted match of the other end of the push rod with one end of a rotary rod in the shell, and the other end of the rotary rod is connected with the trigger control mechanism through a travel cable or a connecting rod. The extensible handle is dismountable; therefore utility model can trim the garden trees with bigger height and larger range without any other auxiliary equipment. The utility model is controlled completely by a mechanical mechanism; therefore the operation is safe and reliable.

Description

A kind of pruner

Technical field

The utility model relates to a kind of pruner.

Background technology

Pruner is a kind of device of garden instrument, has strong operability, advantage easy to use, the gardens that can realize pruning certain altitude.Particularly along with the improving constantly of living standards of the people, greening is required more and more high, so, also more and more big to the demand of pruner.

Chinese patent has certain technical literature report to pruner, as the patent No. is that the security control mechanism of 03231441.8 pruner and the patent No. are the security control mechanism of 03232415.4 pruner, the controlling organization that jointly controls pruner work by the button on main handle and the secondary handle has been carried out the technology report, as seen security control mechanism is very extensive in the application of pruner, and can adopt various mechanisms.The patent No. is a kind of pruner of 200520116978.0 in addition, it includes casing, electromotor is installed in the casing, drive the set of blades up and down that is connected with the output shaft of electromotor, control electromotor work whether shift knob and power unit, it is characterized in that described casing molds a jack for the connecting rod insertion in the rear end, Electric plug with shutter is housed in the jack, accordingly, connecting rod is provided with electric-connected socket in insertion end, plug is electrically connected with socket, and, on the connecting rod upper handle, button is housed, it below the button trigger switch that cooperates, trigger switch is by electric wire and plug, socket and electromotor form the control electric power loop, and it prolongs handle, widens the pruner scope of application, use easy to carry, in putting into practice use, also there is the place of a lot of blemisies in an otherwise perfect thing, revise the circuit of the control of pruner as needs, on the prolongation handle, also need to increase circuit part, cause to manufacture trouble, and, on the casing handle, there is socket, use especially in the open air and may have unsafe hidden danger as rain or humidity, connecting rod is to be plugged on the pruner, and is firm inadequately, comes off easily, so, require further improvement design.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of simple and practical, pure machinery control, safety better with the pruner that prolongs handle.

The technical scheme that the utility model solve the technical problem employing is: a kind of pruner, it includes casing, the motor setting is installed in the casing, the output shaft of motor by transmission mechanism connect to drive outside casing reciprocating on, bottom knife, defensive position handle and remote holder are the rear portion and the front portion that are connected to casing, and on defensive position handle and remote holder handle, be hingedly connected with rear trigger and fore trigger respectively rotationally, accordingly, in casing or handgrip, be provided with control machine operation whether microswitch is installed, rear trigger and fore trigger cooperate with the contact of microswitch by triggering controlling organization, it is characterized in that back, described casing bottom releasably is connected with the prolongation assist handle, on the handgrip position that prolongs the assist handle rear portion, be hinged with the assist handle trigger rotationally, assist handle trigger front end position directly or indirectly with prolong assist handle in push rod cooperate conflict, be supported with spring between push rod and the prolongation assist handle, the other end of push rod is conflicted with dwang one end in being hinged on casing cooperate, the other end of dwang goes to be connected with the triggering controlling organization by drag-line or connecting rod.

As preferably, described triggering controlling organization is to be connected with driving lever in the rear trigger rotationally, one end of driving lever is conflicted with the contact of microswitch and is cooperated, and and defensive position also being supported with back-moving spring between the supporting walls, and the other end is connected with an end of fore trigger by drag-line.It is simple and practical, and volume is little, in defensive position is installed and used easily.

As improvement, it is that clamping connects that described connection is releasably adopted, mold one for prolonging the jack that assist handle inserts in back, casing bottom, be rotatably mounted with the card button near the jack position on the casing, the support portion is supported with little spring in card button one end and the casing, accordingly, the card button other end carries out clamping with the hole clipping on the prolongation assist handle and cooperates.Be convenient to prolong quick connection the between assist handle and the casing like this, easy to use, be connected firmly, the separation that is not easy to come off, security reliability is higher.

As improvement, described releasably the connection adopts to being threaded, and molds one in back, casing bottom for prolonging the internal thread hole that assist handle inserts, and the insertion end that prolongs assist handle is male connection, couples together by being threaded.Its firm and reliable connection is not easy to come off, and security reliability is higher.

Further improve, described assist handle trigger is to conflict with an end of push rod indirectly by seesaw to cooperate, seesaw is to be hinged on to prolong in the assist handle, the front leans against the rear end of push rod, the back side is attached to the end of assist handle trigger, is supported with spring between assist handle trigger and the prolongation assist handle.Like this, can make the assist handle trigger be more prone to promote push rod, work is sensitive and reliable, and working stability is good.

At last, described prolongation assist handle is that left and right sides assist handle is involutory afterwards with set screws altogether, and the cross section that prolongs assist handle is to adopt flat pattern or ellipse, is convenient to production and assembly and socket connection.

Compared with prior art, advantage of the present utility model is: prolonging handle can dismantle, do not use other auxiliary equipment and can prune the more gardens of high altitude wider scope, adopt pure mechanical mechanism controls, simplified control circuit, the convenient manufacturing, avoid mounting receptacle on casing simultaneously, avoided electric shock hidden danger, job security and better reliability, practicality rational in infrastructure, operation is simple and reliable.

Description of drawings

Fig. 1 is the structure cutaway view of pruner of the present utility model;

Fig. 2 is the structure cutaway view (under the card button disengaged condition) of pruner of the present utility model;

Fig. 3 is the structure cutaway view (prolonging under the assist handle disengaged condition) of pruner of the present utility model;

Fig. 4 is rear trigger and driving lever syndeton cutaway view;

Fig. 5 is the three-dimensional exploded view that prolongs assist handle;

Fig. 6 pruner structure of the present utility model cutaway view (under the free state that forward and backward trigger is not all opened);

Fig. 7 pruner structure of the present utility model cutaway view (only under the fore trigger open mode);

Fig. 8 pruner structure of the present utility model cutaway view (only under the rear trigger open mode);

Fig. 9 pruner structure of the present utility model cutaway view (under the forward and backward trigger open mode);

Figure 10 pruner structure of the present utility model cutaway view (under the free state that rear trigger and assist handle trigger are not all opened);

Figure 11 pruner structure of the present utility model cutaway view (only under the rear trigger open mode);

Figure 12 pruner structure of the present utility model cutaway view (only under the assist handle trigger open mode);

Figure 13 pruner structure of the present utility model cutaway view (rear trigger and assist handle trigger all open mode under).

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1-5 signal, a kind of pruner, it includes casing 1, casing 1 normally connects with the set screws load casing involutory back in the left and right sides, motor 2 just is provided with and is installed in the casing 1, the output shaft of motor 2 by transmission mechanism 4 connect drive outside casing 1 reciprocating on, bottom knife 3, the rear portion of casing 1 with anterior be connected usually have defensive position 6 and remote holder 5, and defensive position 6 and remote holder be hingedly connected with rear trigger 8 and fore trigger 7 respectively rotationally on 5, accordingly, in casing 1 or handgrip, be provided with control machine operation whether microswitch 9 is installed, rear trigger 8 and fore trigger 7 are cooperated with the contact of microswitch 9 by triggering controlling organization, when the rear trigger 8 of pruner and fore trigger 7 are all pressed, the contact of microswitch 9 is triggered, motor 2 is started working, these all are the structural principles of traditional pruner, here just introduce simply, no longer in depth launch to be described.Crucial part of the present invention is that back, casing 1 bottom molds a jack 10, insert for prolonging assist handle 11, be rotatably mounted with card button 12 near the jack position on the casing 1, card button 12 1 ends and 1 li support portion of casing are supported with little spring 13, card button 12 other ends carry out clamping with the hole clipping 14 on prolonging assist handle and cooperate, and back, casing 1 bottom is releasably connected prolong assist handle 11.For the ease of prolonging the connection of assist handle, flat pattern or ellipse are normally adopted in the cross section that prolongs assist handle 11.And prolonging assist handle 11 is that left and right sides assist

handle

11a, 11b are involutory afterwards with set screws altogether, on the handle position that prolongs assist handle 11 rear portions, be hinged with assist handle trigger 15 rotationally, assist handle trigger 15 front end positions are to conflict with an end of push rod 17 indirectly by seesaw 16 to cooperate, seesaw 16 is to be hinged on to prolong 11 li of assist handles, the front leans against the rear end of push rod 17, the back side is attached to the end of assist handle trigger 15, is supported with spring 18 between assist handle trigger 15 and the prolongation assist handle 11.Be equipped with spring 19 on the push rod 17, make push rod 17 and prolong between the assist handle 11 and be supported with spring 19, the other end of push rod 17 is conflicted with dwang 20 1 ends in being hinged on casing 1 cooperate, the other end of dwang 20 goes to be connected with the triggering controlling organization by drag-line 21 or connecting rod.In present embodiment, triggering controlling organization is design like this, rear trigger is connected with driving lever 22 for 8 li rotationally, one end of driving lever 22 is conflicted with the contact of microswitch 9 and is cooperated, and and defensive position also being supported with back-moving spring 23 between 6 supporting walls, and driving lever 22 other ends are connected with an end of fore trigger 7 by drag-line 24, are connected with the other end of dwang 20 by drag-line 21 or connecting rod simultaneously.

Certainly, the connection releasably that prolongs assist handle 11 also can be to adopt to be threaded, mold one exactly in back, casing 1 bottom for prolonging the internal thread hole that assist handle 11 inserts, the insertion end that prolongs assist handle 11 is male connection, by being threaded, other mechanism with above be similarly, also can obtain effect same.

Its operation principle is such: auxiliary when prolonging handle 11 when using, to prolong in the jack 10 at rear portion below the casing 1 that assist handle 11 is inserted into pruner, the card end of card button 12 is snapped in the hole clipping 14 that prolongs the assist handle insertion end, lock the auxiliary handle 11 that prolongs, the user just can operate pruner by defensive position handle and prolongation assist handle like this, when rear trigger 8 is pressed, when assist handle trigger 15 is also pressed, the elasticity that rear trigger 8 overcomes spring certain stroke that moves up, simultaneously, assist handle trigger 15 overcomes the strength of spring, promoting seesaw 16 rotates counterclockwise, the strength that makes seesaw 16 further promotion push rods overcome spring moves forward, because the front end of push rod 17 is conflicted at an end of dwang 20, dwang 20 is rotated counterclockwise, the other end of dwang 20 is by drag-line 21, driving lever 22 on the pulling rear trigger, driving lever 22 on the rear trigger is clockwise rotated, like this, make can successfully conflict contact on the microswitch 9 of driving lever 22 1 ends on the rear trigger, pruner will be started working, and sees Figure 13; Only when rear trigger 8 is pressed, and assist handle trigger 15 is not pressed, the elasticity that rear trigger 8 overcomes spring certain stroke that moves up, but, driving lever 22 on the rear trigger is not pulled and clockwise rotates, make still can't conflict contact on the microswitch 9 of driving lever 22 1 ends on the rear trigger, pruner can not started working, and sees Figure 11; Simultaneously, only when assist handle trigger 15 is pressed, and rear trigger 8 is not pressed, driving lever 22 on the rear trigger is pulled and clockwise rotates, and rear trigger 8 does not move up under the elastic reaction of spring, make yet can't conflict contact on the microswitch 9 of driving lever 22 1 ends on the rear trigger, pruner can not started working yet, and sees Figure 12.Auxiliary the prolongation under handle 11 situations, the operation principle of pruning bar machine with traditional be similar, see Fig. 6-9, no longer described in detail here.

Claims

1. pruner, it includes casing, the motor setting is installed in the casing, the output shaft of motor by transmission mechanism connect to drive outside casing reciprocating on, bottom knife, defensive position handle and remote holder are the rear portion and the front portion that are connected to casing, and on defensive position handle and remote holder handle, be hingedly connected with rear trigger and fore trigger respectively rotationally, accordingly, in casing or handgrip, be provided with control machine operation whether microswitch is installed, rear trigger and fore trigger cooperate with the contact of microswitch by triggering controlling organization, it is characterized in that back, described casing bottom releasably is connected with the prolongation assist handle, on the handgrip position that prolongs the assist handle rear portion, be hinged with the assist handle trigger rotationally, assist handle trigger front end position directly or indirectly with prolong assist handle in push rod cooperate conflict, be supported with spring between push rod and the prolongation assist handle, the other end of push rod is conflicted with dwang one end in being hinged on casing cooperate, the other end of dwang goes to be connected with the triggering controlling organization by drag-line or connecting rod.

2. pruner according to claim 1, it is characterized in that described triggering controlling organization is to be connected with driving lever in the rear trigger rotationally, one end of driving lever is conflicted with the contact of microswitch and is cooperated, and and defensive position also being supported with back-moving spring between the supporting walls, and the other end is connected with an end of fore trigger by drag-line.

3. pruner according to claim 2, it is characterized in that it is that clamping connects that described connection is releasably adopted, mold one for prolonging the jack that assist handle inserts in back, casing bottom, be rotatably mounted with the card button near the jack position on the casing, the support portion is supported with little spring in card button one end and the casing, accordingly, the card button other end carries out clamping with the hole clipping on the prolongation assist handle and cooperates.

4. pruner according to claim 2, it is characterized in that adopting described releasably the connection to being threaded, mold one for prolonging the internal thread hole that assist handle inserts in back, casing bottom, the insertion end that prolongs assist handle is male connection, couples together by being threaded.

5. according to claim 3 or 4 described pruners, it is characterized in that described assist handle trigger is to conflict with an end of push rod indirectly by seesaw to cooperate, seesaw is to be hinged on to prolong in the assist handle, the front leans against the rear end of push rod, the back side is attached to the end of assist handle trigger, is supported with spring between assist handle trigger and the prolongation assist handle.

6. pruner according to claim 5 is characterized in that described prolongation assist handle is that left and right sides assist handle is involutory afterwards with set screws altogether, and the cross section that prolongs assist handle is to adopt flat pattern or ellipse.