CN203505055U

CN203505055U - Operating handle of handheld mower

Info

Publication number: CN203505055U
Application number: CN201320721239.9U
Authority: CN
Inventors: 程志敏; 童建文
Original assignee: ZHEJIANG HALLEY POWER MACHINE Co Ltd
Current assignee: ZHEJIANG HALLEY POWER MACHINE Co Ltd
Priority date: 2013-11-15
Filing date: 2013-11-15
Publication date: 2014-04-02
Anticipated expiration: 2023-11-15

Abstract

The utility model discloses an operating handle of a handheld mower. The operating handle comprises a dragline (1), a safe trigger (2), a push button (3), a switch (4), a handle cover (5), a throttle trigger (8), and a supporting rod (9), wherein the safe trigger (2) is hinged to the handle cover (5); the throttle trigger (8) is hinged to the handle cover (5); a throttle stop dog (16) is arranged on the throttle trigger (8); a safe lock catch (17) matched with the throttle stop dog (16) is arranged on the safe trigger (2); the push button (3) is arranged on the handle cover (5) in a sliding manner; the switch (4) is fixed onto the handle cover (5); a switch reed (10) on the switch (4) is matched with the a push button sliding block (15) on the push button (3); the speed adjusting gear is selected when the push button (3) is at the middle position; the speed fixing gear is selected when the push button (3) is pushed forward; the stopping gear is selected when the push button (3) is pushed backwards. The operating handle with the structure, provided by the utility model, has the advantages of simple structure, comfortable and flexible operation, convenience in control, safety and reliability in use, integrity of three gears of speed adjusting, speed fixing, and stopping, and the like.

Description

The operating grip of hand-held mower

Technical field

The utility model relates to a kind of hand-held mower, particularly the operating grip of the better hand-held mower of a kind of handling.

Background technology

Hand-held mower is for cutting the garden instrument of the shrub branch that grass or diameter are less, the power of mower is exported by petrolic bent axle, through clutch, pass on power transmission shaft, power transmission shaft is delivered to gear-box, through gear reduction box speed change, increase moment of torsion, then pass to grass-cutting head and drive the blade on grass-cutting head or mow to restrict to rotate and carry out work.The cutting work of hand-held mower is controlled by operating grip, and throttle trigger, button, switch are installed on operating grip, and no way, and trigger is controlled petrolic output speed and moment of torsion, and button control switches switches on or off.Existing operating grip has the following disadvantages in operation use procedure: the one, and throttle trigger does not insure link gear, while encountering because of carelessness throttle trigger after engine start, blade on grass-cutting head or the rope of mowing can accelerate suddenly rotation,, there is certain potential safety hazard in the accident that can meet accident.The 2nd, uncontrollable engine constant speed work on operating grip, takes to carve and controls throttle trigger control engine, and engine cannot steady operation, and operation is nervous, and easily tired, comfort level is poor; Also have cruise control is set on engine at present, but inconvenient operation in use.For this reason, many manufacturers and knowledgeable people have carried out development, but not yet have so far comparatively ideal product to emerge.

Summary of the invention

The above-mentioned defect existing for overcoming existing hand-held mower operating grip, the purpose of this utility model be to provide a kind of simple and reasonable, operate comfortable flexibly, control convenient, safe and reliable, integrate speed governing, constant speed and stop the operating grip of the hand-held mower of three gears.

The utility model solves the problems of the technologies described above adopted technical scheme, it comprises drag-line, insurance trigger, push button, switch, handle cover, throttle trigger, support bar, described insurance trigger is hinged on the insurance hinge of handle cover, on insurance hinge, be arranged with and make to insure the insurance torsion spring that trigger resets, throttle trigger is hinged on the throttle hinge of handle cover, on throttle hinge, be arranged with the throttle torsion spring that throttle trigger is resetted, throttle trigger is provided with throttle block, and insurance trigger is provided with the insurance snap close matching with throttle block; Push button is slidably disposed on handle cover, is arranged with the push button torsion spring that push button is resetted on throttle hinge, and switch is fixed on handle cover, and the switch spring on switch matches with the push button slide block on push button; Push button is speed governing gear when centre position, is constant speed gear while pushing away before push button, is retaining catch during push button pusher.

Further scheme of the present utility model, described push button is provided with push button block, and throttle trigger is provided with the trigger snap close matching with push button block; When pushing away before push button and unclamping insurance trigger and throttle trigger, the trigger snap close on throttle trigger is buckled on push button block.

Further scheme of the present utility model, described push button is provided with limit lock catch, and handle cover is provided with the spacing block set matching with limit lock catch; When push button pusher, the limit lock catch on push button latches on spacing block set, push button slipper push switch spring closing switch.

Adopt after said structure, compared with prior art have the following advantages and effect: the one, owing to being provided with on handle cover and the interactive insurance of throttle trigger trigger, only when pressing insurance trigger, throttle trigger just can operate, and can avoid contingency to occur, safe and reliable.The 2nd, because push button is provided with push button block, throttle trigger is provided with the trigger snap close matching with push button block, when push button is when speed governing keeps off, can control mower speed governing running and run up; When push button is when constant speed is kept off, can control the work of mower constant speed; When push button is during at retaining catch, can control mower and quit work; Operating personnel can singlehandedly control mower work, simple to operation, comfortable feel, and long working can be not tired yet.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model push button.

Structural representation when Fig. 3 is the utility model insurance trigger and the interlocking of throttle trigger.

Fig. 4 is that the utility model pushes away the structural representation of turning round, insure trigger and the cooperation of throttle trigger.

1 drag-line wherein, 2 insurance triggers, 3 push buttons, 4 switches, 5 handle covers, 6 push button torsion springs, 7 throttle torsion springs, 8 throttle triggers, 9 support bars, 10 switch springs, 11 insurance hinges, 12 spacing block sets, 13 throttle hinges, 14 limit lock catch, 15 push button slide blocks, 16 throttle blocks, 17 insurance snap closes, 18 insurance torsion springs, 19 push button blocks, 20 trigger snap closes.

Embodiment

Shown in Fig. 1 to Fig. 4, specific embodiments for the operating grip of a kind of hand-held mower of the utility model, it comprises drag-line 1, insurance trigger 2, push button 3, switch 4, handle cover 5, throttle trigger 8, support bar 9, support bar 9 is fixedly connected on the drive link of mower, handle cover 5 is fixed on support bar 9, one end of drag-line 1 is connected with throttle trigger 8, the other end is connected with the Oil Switch of engine, described insurance trigger 2 is hinged on the insurance hinge 11 of handle cover 5, on insurance hinge 11, be arranged with and make to insure the insurance torsion spring 18 that trigger 2 resets, throttle trigger 8 is hinged on the throttle hinge 13 of handle cover 5, on throttle hinge 13, be arranged with the throttle torsion spring 7 that throttle trigger 8 is resetted, throttle trigger 8 is provided with throttle block 16, insurance trigger 2 is provided with the insurance snap close 17 matching with throttle block 16, push button 3 is slidably disposed on handle cover 5, is arranged with the push button torsion spring 6 that push button 3 is resetted on throttle hinge 13, and switch 4 is fixed on handle cover 5, and the switch spring 10 on switch 4 matches with the push button slide block 15 on push button 3, push button 3 is speed governing gear when centre position, is constant speed gear while pushing away before push button 3, is retaining catch during push button 3 pusher.

In order to guarantee the function constant speed work of mowing, described push button 3 is provided with push button block 19, and throttle trigger 8 is provided with the trigger snap close 20 matching with push button block 19; When pushing away before push button 3 and unclamping insurance trigger 2 and throttle trigger 8, the trigger snap close 20 on throttle trigger 8 is buckled on push button block 19.

In order to guarantee that push button 3 can reliably control in time mower and quit work, described push button 3 is provided with limit lock catch 14, and handle cover 5 is provided with the spacing block set 12 matching with limit lock catch 14; When push button 3 pusher, the limit lock catch 14 on push button 3 latches on spacing block set 12, push button slide block 15 pull switch reed 10 closing switchs 4.

During the utility model speed governing work, push button 3 is in centre position, switch 4 is in on-state, insurance trigger 2 can make 17 disengagings of safety lock button stop the throttle block 16 on throttle trigger 8 while pressing, now operating personnel can pull throttle trigger 8 according to job requirement, throttle trigger 8 is by drag-line 1 control engine throttle, reaches engine governed speed and the control that runs up.

When changing constant speed work in speed governing work, promote push button 3 and move forward to constant speed gear, unclamp insurance trigger 2 and throttle trigger 8, throttle trigger 8 rotates around throttle hinge 13 under the elastic force effect of throttle torsion spring 7, the push button block 19 that trigger snap close 20 on throttle trigger 8 is subject on push button 3 stops, make throttle trigger 8 have certain aperture, thereby reach the object of control engine constant speed work, insurance trigger 2 produces and resets simultaneously under the 18 elastic force effects of insurance torsion spring, but because throttle trigger 8 can not reset, insurance snap close 17 on insurance trigger 2 can not coordinate with the throttle block 16 on throttle trigger 8, both are in released state.

When shutting down; promote to move to retaining catch after push button 3; limit lock catch 14 on push button 3 and spacing block set 12 combinations on handle cover 5; under the 6 elastic force actings in conjunction of push button torsion spring, guarantee that limit lock catch 14 is locked on spacing block set 12; push button slide block 15 pull switch reed 10 closing switchs 4; insurance snap close 17 on insurance trigger 2 interlocks with the throttle block 16 on throttle trigger 8, thereby reaches out-of-work object.

The above; just specific embodiment of the utility model, not makes any pro forma restriction to the utility model, is not departing from the technical solution of the utility model basis; the simple modification of having done, equivalent variations or modification, all fall into protection domain of the present utility model.

Claims

1. the operating grip of a hand-held mower, comprise drag-line (1), insurance trigger (2), push button (3), switch (4), handle cover (5), throttle trigger (8), support bar (9), it is characterized in that: described insurance trigger (2) is hinged on the insurance hinge (11) of handle cover (5), on insurance hinge (11), be arranged with and make to insure the insurance torsion spring (18) that trigger (2) resets, throttle trigger (8) is hinged on the throttle hinge (13) of handle cover (5), on throttle hinge (13), be arranged with the throttle torsion spring (7) that throttle trigger (8) is resetted, throttle trigger (8) is provided with throttle block (16), insurance trigger (2) is provided with the insurance snap close (17) matching with throttle block (16), push button (3) is slidably disposed on handle cover (5), on throttle hinge (13), be arranged with the push button torsion spring (6) that push button (3) is resetted, it is upper that switch (4) is fixed on handle cover (5), and the switch spring (10) on switch (4) matches with the push button slide block (15) on push button (3), push button (3) is speed governing gear when centre position, is constant speed gear during front the pushing away of push button (3), during push button (3) pusher, is retaining catch.

2. the operating grip of hand-held mower according to claim 1, it is characterized in that: described push button (3) is provided with push button block (19), throttle trigger (8) is provided with the trigger snap close (20) matching with push button block (19); When push button (3) is front when pushing away and unclamping insurance trigger (2) and throttle trigger (8), the trigger snap close (20) on throttle trigger (8) is buckled on push button block (19).

3. the operating grip of hand-held mower according to claim 1 and 2, it is characterized in that: described push button (3) is provided with limit lock catch (14), handle cover (5) is provided with the spacing block set (12) matching with limit lock catch (14); When push button (3) pusher, it is upper that the limit lock catch (14) on push button (3) latches in spacing block set (12), push button slide block (15) pull switch reed (10) closing switch (4).