CN201160398Y

CN201160398Y - Scale division positioning machine halt control mechanism of main unit of long handled pruning machine

Info

Publication number: CN201160398Y
Application number: CNU2008200825945U
Authority: CN
Inventors: 毛培明
Original assignee: TMK TECHNOLOGY (ZHEJIANG) Ltd
Current assignee: TMK TECHNOLOGY (ZHEJIANG) Ltd
Priority date: 2008-01-25
Filing date: 2008-01-25
Publication date: 2008-12-10
Anticipated expiration: 2018-01-25

Abstract

The utility model relates to a shutdown controlling mechanism at the time of angle adjustment and location of the mainframe and aims to solve the technical problem that the provided mechanism can ensure that the adjustment of the angle between the mainframe of the pruning machine and the handle can correctly achieve shutdown and can have the characteristics of reliable performance and simple structure. The shutdown controlling mechanism has the technical proposal that a long-handle pruning machine mainframe graduation, location and shutdown controlling mechanism comprises a mainframe shell and annular handles; the annular handles are connected with the left and the right sides of the mainframe shell, and the two connection parts are respectively provided with a through hole; a graduation press tip and a gear forming an angle adjusting mechanism are orderly located in each through hole; each gear also acts with a press switch through a push rod so as to directly pass the push force to the press switch to cut off the power supply for the mainframe at the same time when the press tip adjusts the angle. A plurality of springs are arranged in each through hole and add outward axial pressure to the gears. The push rod also suffers the pressure of a push spring so that the push rod has the tendency to leave the press switch.

Description

Controlling organization is shut down in long handle pruner main frame calibration location

Technical field

The utility model relates to a kind of governor motion of graden machine, the shutdown controlling organization when specifically being pruner main frame angular adjustment location.

Background technology

Pruner is a kind of graden machine of routine, is used for repairing the tree-like of trees, shrub, needs the two hand-held sets of operating personnel to carry out operation.Its basic structure is to utilize the motion of motor to drive two movable tooth rows to carry out linear reciprocating motion, because the direction of motion of two movable tooth rows is opposite, and movable tooth row dual-side is along the basic vertical and direction of motion of the knife edge of the some serrated knives that stretch out, will shear branch or the blade of trees, shrub by the formed shearing motion of the relative motion of serrated knife, so that trees, shrub tree-like reaches desirable effect.Existing pruner is simple in structure, is to fixedly connected between its handgrip and the host machine casing, can not adjusting angle; The applicant improves the draw bail of host machine casing and handgrip, makes between the two and can be adjusted to different angles as required.But, in solution safety guarantee problem that host machine casing and connecting of handgrip are still needed when angle is regulated.

The utility model content

Technical problem to be solved in the utility model provides a kind of long handle pruner main frame calibration location and shuts down controlling organization; this mechanism should be able to overcome the deficiency of above-mentioned background technology; can guarantee when the angle of regulating between pruner main frame and the handgrip, can accurately shut down, and have reliable operation, characteristic of simple structure.

The technical scheme that the utility model provides is: controlling organization is shut down in long handle pruner main frame calibration location; comprise host machine casing and annular handgrip; described annular handgrip connects at the position, the left and right sides of host machine casing; these two points of attachment have a through hole respectively; locate the calibration of forming angle adjusting mechanism in each through hole successively and pressing head and gear; this gear is also by a push rod and a pressing switch effect, directly thrust is passed to pressing switch cut-out main frame electric current when head carries out angular adjustment so that press at the pressing calibration.

In described each through hole several springs are installed also, these springs apply the axial compressive force of direction laterally to gear.

Described push rod also is subjected to a pressure that pushes away spring, makes it have the potential energy that leaves pressing switch.

Use of the present utility model is very simple: the operator only needs simultaneously to press (so that carry out between pruner main frame and the handgrip angular adjustment) with the calibration of finger roof pressure host machine casing both sides, pressing switch just action cuts off the main frame electric current, thereby has guaranteed to carry out under the main shut-down system state between pruner main frame and the handgrip angular adjustment; So just can guarantee operating personnel's personal safety.Because simple for structure, so guaranteed the safe and reliable of mechanism's work.

Description of drawings

Fig. 1 is the main TV structure schematic diagram of long handle pruner.

Fig. 2 is the attached TV structure schematic diagram of long handle pruner.

Fig. 3 is that A-A among Fig. 1 is to the sectional structure schematic diagram.

Fig. 4 is that B-B among Fig. 3 is to the structure for amplifying schematic diagram.

Fig. 5 is the structure exploded perspective view at host machine casing and annular handgrip position.

Fig. 6 is the structure enlarged diagram of the push rod among Fig. 3.

Embodiment

As shown in Figure 1, long handle pruner main frame dividing and positioning mechanism, comprise host machine casing 10 and annular handgrip 8, the internal spur gear 15 that each side is shaped on a coaxial line layout of described host machine casing, and respectively have a gear that is meshed 3 to be positioned at respectively in the described internal gear; The left and right sides of described annular handgrip then is shaped on corresponding cavity respectively aforesaid internal spur gear and gear is surrounded; Also respectively be shaped in each cavity one can with the internal gear 16 of gear 3 engagement, the be placed in outside of internal spur gear and keep certain axial spacing of this internal gear with internal spur gear; Among Fig. 4, Fig. 5 as can be known: close up and with some screws (by screw base 3-3) connection that is tightened by handgrip upper casing 8-1 and handgrip lower casing 8-2, on handgrip upper casing 8-1 and the handgrip lower casing 8-2 edge one circle nib 8-5 just in time embeds a circle groove of the left and right sides of host machine casing, can keep relatively rotating of annular handgrip and host machine casing like this, cavity is effectively isolated with extraneous.Described internal gear 16 can be that the number of teeth is complete, also can only use several teeth; As can be known, each internal gear 16 is spliced by handgrip upper casing 8-1 and handgrip lower casing 8-2 among Fig. 4, Fig. 5; Wherein only make three internal tooths (quantity of the number of teeth can increase and decrease as required) respectively on handgrip upper casing 8-1 and the handgrip lower casing 8-2, can carry out work effectively.

In addition, the facewidth of described gear is less than the facewidth of internal spur gear, and each gear is subjected to the axial compressive force of the direction laterally that some springs 4 apply respectively, make each gear simultaneously and internal spur gear and internal gear engagement so that the angle of locking host machine casing and annular handgrip; Among Fig. 4, Fig. 5 as can be known: each gear all is subjected to the pressure of three springs 4, and is shaped on respectively on each gear and on the relevant position on the casing and is suitable for the blind hole that spring 4 inserts; So when the inside pressing gear of the application of force, spring 4 is forced to shrink, and gear 3 can slip in (sinking to) internal spur gear 15 fully.

The both sides of annular handgrip also are shaped on a through hole respectively, this through hole is positioned at the axial end of gear and through hole location one division and presses 1, the axial end application of force of gear is made move in it and the engagement of disengaging and internal gear so that the pressing calibration is pressed head, reach the purpose of adjusting host machine casing and annular handgrip orientation angle.Among Fig. 4, Fig. 5 as can be known: this through hole is spliced by handgrip upper casing 8-1 and handgrip lower casing 8-2; Calibration is pressed 1 inside (being parallel to pivot center 20 directions) and is shaped on four sheets that overhang, and wherein is shaped on to the outstanding bead of periphery direction on two sheet 1-1 that overhang, and then is shaped on the through hole to the outstanding convex of pivot center 20 directions; This bead is caught on by convex, can guarantee that calibration presses head and be positioned at (can not break away from through hole) in the through hole.Calibration is pressed the axial end that other two sheet 1-2 that overhang on 1 then directly extend to gear; So, the operator is when pressing head (two calibration that only need be positioned at the host machine casing both sides with the finger while pressing of one hand are pressed head) with finger pressing calibration, just but two gears of roof pressure move and the engagement of disengaging and internal gear to internal spur gear, make host machine casing and annular handgrip be in rotatable state, so that the operator selects needed angle.

Controlling organization is shut down in long handle pruner main frame calibration location; comprise host machine casing and annular handgrip; described annular handgrip is connected in the position, the left and right sides of host machine casing; these two points of attachment have a through hole respectively; locating the calibration of forming angle adjusting mechanism in each through hole successively and pressing 1 and can be along the gear 3 of axis slippage; this gear is also by a push rod 18 and a pressing switch 19 effect (pressing switch 19 inserts host circuits), directly thrust is passed to pressing switch cut-out main frame electric current when head carries out angular adjustment so that press at the pressing calibration.Among Fig. 4 as can be known: in the chute parallel with axis 20 that push rod 18 is positioned at host machine casing, but it is spacing to be pushed spring 17 roof pressures; And gear 3 moves inward Shi Zeke and drives push rod 18 (overcoming the pressure that pushes away spring 17) and move together, and then the contact of roof pressure pressing switch 19, makes the main frame outage.

Claims

1, controlling organization is shut down in long handle pruner main frame calibration location; it is characterized in that this mechanism comprises host machine casing (10) and annular handgrip (8); described annular handgrip connects at the position, the left and right sides of host machine casing; these two points of attachment have a through hole respectively; locate the calibration of forming angle adjusting mechanism in each through hole successively and pressing head (1) and gear (3); this gear is also by the effect of a push rod (18) and a pressing switch (19), directly thrust is passed to pressing switch when head carries out angular adjustment and cuts off the main frame electric current so that press at the pressing calibration.

2, long handle pruner main frame calibration location shutdown controlling organization according to claim 1 is characterized in that several springs (4) also are installed in described each through hole, and these springs apply the axial compressive force of direction laterally to gear (3).

3, long handle pruner main frame calibration location shutdown controlling organization according to claim 1 and 2 is characterized in that described push rod (18) also is subjected to one and pushes away the pressure of spring (17), makes it have the potential energy that leaves pressing switch.