CN216146739U - Stepless speed regulating handle of mower - Google Patents

Abstract

The utility model discloses a stepless speed regulating handle of a mower, which comprises a holding part; and a main box body arranged on the holding part; a speed regulating switch and a first trigger are arranged in the main box body; the first trigger is in running fit with the main box body, and part of the first trigger extends out of the main box body; and the speed regulation switch is triggered to work by pressing the first trigger.

Description

Stepless speed regulating handle of mower

Technical Field

The utility model relates to the technical field of mowers, in particular to a stepless speed regulating handle of a mower.

Background

Mowers are also known as weed trimmers, lawnmowers, lawn trimmers, and the like. The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit.

The existing mower is divided into a hand-push type mower and a self-propelled type mower, no power is provided on a walking wheel of the hand-push type mower, and the walking of the hand-push type mower is completely pushed to advance manually; the self-propelled mower is provided with the self-propelled motor, so that the self-propelled mower can realize self-propelling without hand pushing, and only the walking direction of the self-propelled mower needs to be adjusted during operation.

At present, most self-propelled mowers do not have the function of self-propelled speed regulation, and only provide a starting switch and a speed limit switch, so the mode often has the following defects in the actual use process: firstly, the mower is suddenly accelerated when being started, uncomfortable to operate and has potential safety hazards; secondly, after the set speed limit is reached, the lawn mower keeps running at a constant speed, and when the lawn mower meets a dense place on the lawn, the lawn mower cannot stop at a low speed, so that the mowing completion degree is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a stepless speed regulating handle of a mower, which is used for being installed on the mower and can effectively overcome the defects of the mainstream mower in the market at present.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a stepless speed regulating handle of a mower comprises a holding part; and a main box body arranged on the holding part; a speed regulating switch and a first trigger are arranged in the main box body; the first trigger is in running fit with the main box body, and part of the first trigger extends out of the main box body; and the speed regulation switch is triggered to work by pressing the first trigger.

Among the above-mentioned technical scheme, further, still be provided with in the main box body: a main switch and a main switch trigger part; the power-on switch and a second trigger for controlling the power-on switch to work.

In the above technical scheme, further, a speed limit switch is further arranged in the main box body. Preferably a multi-gear knob type control.

In the above technical scheme, further, two mutually crossed shift levers are arranged in the main box body, one end of each shift lever is rotatably arranged on the main box body, the other end of each shift lever abuts against the first trigger, an operating part mounted on the speed regulating switch is arranged at the cross position of the two shift levers, the shift lever is driven to rotate to push the operating part when the first trigger rotates, and the output value of the speed regulating switch is controlled by the pressing distance of the operating part. The purpose of setting up like this is that two different driving levers can match different first triggers alone, and both are alternately arranged but the operation is independent each other and do not influence, and the reliability is exerted in guaranteeing, makes the structure more compact.

In the above technical solution, further, the operating part is installed on a pressure lever of the speed regulation switch, upper and lower ends of the operating part are slidably fitted in the main box, and the operating part is limited to be able to move only in a direction of the speed regulation switch. Therefore, the movement reliability of the operating part is included, and the operation hand feeling is improved.

Among the above-mentioned technical scheme, furtherly, the rotation junction of first trigger is provided with the lug that extends to both sides, both sides the lug respectively with first limiting plate and the cooperation of second limiting plate on the main box body make first trigger can only rotate the angle of certain limit. The arrangement ensures that the rotation range of the first trigger is controllable, the first trigger is kept compact and the first trigger is not loose to install.

In the above technical scheme, further, a trigger rotating shaft is arranged in the main box body, first gears are respectively arranged at two ends of the trigger rotating shaft, a second gear meshed with the first gear is arranged at the inner end of the second trigger, a trigger piece is further arranged on the trigger rotating shaft, and the second trigger is driven by the gears in a matched mode to rotate the trigger rotating shaft after rotating, so that the trigger piece is started after deflecting the power-on switch.

In the above technical solution, further, the main box body includes an upper layer, a middle layer and a lower layer, the speed regulating switch and the main switch are disposed in an area between the upper layer and the middle layer, and the power-on switch and the speed limiting switch are disposed in an area between the middle layer and the lower layer.

Among the above-mentioned technical scheme, furtherly, still be provided with the mounting panel in the owner box body, the one end of mounting panel have with the radian of holding the portion laminating and with the portion of holding supports tightly, and the other end is arranged in the intersection top region of driving lever, this one end is provided with a U type groove simultaneously, operating parts on the speed governing switch are arranged in the U type inslot, through the U type groove play to the restriction of operating parts displacement distance.

The utility model has the beneficial effects that: 1. the self-propelled stepless speed regulation function of the mower is realized, the self-propelled speed is convenient to control, and the use interactive experience is improved; 2. the handle has a compact internal structure and good use reliability; 3. after partial parts are removed, the handle of the hand-push type mower can be adapted to control, compatibility is strong, and production cost is low.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the back side of fig. 1 according to the present invention.

Fig. 3 is a schematic view of the external structure of the present invention.

Fig. 4 is a schematic structural view of the concealed mounting board of fig. 1 according to the present invention.

Fig. 5 is an enlarged view of the utility model at a in fig. 1.

Fig. 6 is a schematic view of a handle for use on a walk-behind mower.

In the figure, 1, a holding part, 2, a main box body, 21, an upper layer, 22, a middle layer, 23, a lower layer, 24, a first limiting plate, 25, a second limiting plate, 3, a speed regulating switch, 31, a pressure rod, 4, a first trigger, 41, a lug, 5, a deflector rod, 6, an operating piece, 7, a main switch, 71, a main switch triggering part, 8, an upper electric switch, 9, a second trigger, 10, a triggering rotating shaft, 11, a first bevel gear, 12, a second bevel gear, 13, a triggering piece, 14, a mounting plate, 141, a U-shaped groove and 15, a speed limiting switch.

Detailed Description

Referring to fig. 1-5, there are shown embodiments of the present invention: a stepless speed regulation handle of a mower is used for being installed on the mower and comprises a holding part 1 and a main box body 2 arranged on the holding part 1, wherein the holding part 1 is a U-shaped pipe and is connected with a mower body through a connecting rod. Two matching holes are arranged at the middle position of the holding part 1, and a matching column which is in socket fit with the main box body 2 is arranged on the main box body, so that the main box body and the main box body form fixed connection. The main box body 2 comprises an upper layer 21, a middle layer 22 and a lower layer 23, the middle layer 22 is matched with the holding part 1, and the upper layer 21 and the lower layer 23 are in clamping fit with the middle layer 22 or are in fastening fit through screws. The area between the middle layer 22 and the upper layer 21 of the main box body 2 is provided with a speed regulating switch 3 and two first triggers 4 extending towards two sides, the first triggers 4 are provided with matching holes to be rotationally fixed on matching columns of the main box body 2, and meanwhile, most areas of the first triggers 4 extend out of the outer side of the main box body 2 to form operable ends. The speed regulation switch 3 is triggered to work by pressing the first trigger 4, specifically, two mutually crossed shift levers 5 are arranged in the main box body 2, one end of each shift lever 5 is rotatably arranged on the main box body 2, the other end of each shift lever 5 is abutted against the first trigger 4, an operating part 6 arranged on the speed regulation switch 3 is arranged at the intersection of the two shift levers 5, the shift lever 5 is driven to rotate to push the operating part 6 when the first trigger 4 rotates, the output value of the speed regulation switch 3 is controlled by the downward pressing distance of the operating part 6, the operating part 6 is arranged on a pressure lever 31 of the speed regulation switch 3, the upper end and the lower end of the operating part 6 are in sliding fit in the main box body 2, the operating part 6 is limited to be only capable of moving towards the direction of the speed regulation switch 3, and meanwhile, a lug 41 extending towards two sides is arranged at the rotating connection part of the first trigger 4, the lugs 41 on both sides are respectively matched with the first limit plate 24 and the second limit plate 25 on the main box body 2, so that the first trigger 4 can only rotate for a certain range of angles.

In order to ensure the use safety, a main switch 7 and a main switch trigger part 71 are further arranged between the middle layer 22 and the lower layer 23 of the main box body 2; and a power-on switch 8 and a second trigger 9 for controlling the operation of the power-on switch 8. The main switch 7 is an on-off switch of the entire mechanism, and the main switch trigger 71 is a push button that is provided on the main case 2 and can be reset by pressing. Regarding the cooperative relationship of the second trigger 9 and the power-on switch 8: the trigger switch is characterized in that a trigger rotating shaft 10 is arranged in the main box body 2, first bevel gears 11 are respectively arranged at two ends of the trigger rotating shaft 10, second bevel gears 12 meshed with the first bevel gears 11 are arranged at the inner ends of the second triggers 9, trigger pieces 13 are further arranged on the trigger rotating shaft 10, and the second triggers 9 are driven to rotate through gear matching so as to enable the trigger pieces 13 to deflect and then start the upper electric switch 8. Meanwhile, in order to fix the main switch 7, a mounting plate 14 is arranged, one end of the mounting plate 14 is provided with a radian which is attached to the holding part 1 and is abutted against the holding part 1, the other end of the mounting plate is arranged in the area above the intersection of the deflector rod 5, meanwhile, a U-shaped groove is arranged at one end of the mounting plate, and the operating part 6 on the speed regulating switch 3 is arranged in the U-shaped groove and plays a role of limiting the displacement distance of the operating part through the U-shaped groove.

In order to realize the speed limitation of the maximum traveling speed of self-walking, a speed limiting switch 15 is further installed between the middle layer 22 and the lower layer 23 of the main box body 2, and the speed limiting switch 15 adopts a knob type and is used for controlling the working condition of the self-walking motor.

In order to keep the operation convenient and more humanized, the length extending direction of the first trigger 4 and the second trigger 9 is basically the same as the extending direction of the holding part 1, and simultaneously, the first trigger 4 and the second trigger 9 are respectively arranged at two sides of the length direction of the holding part 1, so that when in operation, the palm part is used for extruding the second trigger 9, and the finger part is used for extruding the first trigger 4, thereby realizing the synchronous pressing of the first trigger 4 and the second trigger 9 and conforming to the operation habit of human body.

Meanwhile, it should be noted that, in order to realize the self-resetting of each operation part, a torsion spring for providing the resetting thereof is provided at the first trigger 4, a spring for providing the resetting thereof is provided at the shift lever 5, and a spring for providing the resetting thereof is provided at the trigger rotating shaft 10.

The working principle of the utility model is as follows: when the automatic walking vehicle needs to be started, the main switch trigger part 71 is pressed to turn on the main switch 7, the whole vehicle is still not electrified at the moment, then the first trigger 4 and the second trigger 9 are pressed simultaneously, the triggering of the power-on switch 8 and the speed regulation switch 3 is realized, and further the force for pressing the first trigger 4 can be adjusted according to actual conditions, so that the stepless control of the self-walking speed is realized.

Referring to fig. 6, a handle for a push mower is provided, which is different from the handle in that the installation position of the speed regulating switch in the stepless speed regulating handle is replaced by an upper switch, and the first trigger is used for triggering the upper switch to work, and the slidable operating piece is still reserved. While removing the second trigger and its associated switch. So, only need remove the back to some spare parts can adapt to the lawn mower handle control of hand propelled, it is compatible strong for manufacturing cost is lower.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.

Claims (5)

1. A stepless speed regulating handle of a mower comprises a holding part; and a main box body arranged on the holding part; the device is characterized in that a speed regulating switch and a first trigger are arranged in the main box body; the first trigger is in running fit with the main box body, and part of the first trigger extends out of the main box body; and the speed regulation switch is triggered to work by pressing the first trigger.

2. The stepless speed regulating handle of the mower according to claim 1, wherein the main box body is internally provided with: a main switch and a main switch trigger part; the power-on switch and a second trigger for controlling the power-on switch to work.

3. The stepless speed regulating handle of the mower according to claim 2, wherein a speed limit switch is further arranged in the main box body.

4. The stepless speed regulating handle of the mower according to claim 2, wherein a trigger rotating shaft is arranged in the main box body, first gears are respectively arranged at two ends of the trigger rotating shaft, a second gear meshed with the first gear is arranged at the inner end of the second trigger, a trigger piece is further arranged on the trigger rotating shaft, and the trigger rotating shaft is driven to rotate through the cooperation of the gears after the second trigger rotates, so that the trigger piece is deflected to start the power-on switch.

5. The stepless speed regulating handle of a mower according to claim 3, wherein the main case body comprises an upper layer, an intermediate layer and a lower layer, the speed regulating switch and the main switch are arranged in the area between the upper layer and the intermediate layer, and the power-on switch and the speed limiting switch are arranged in the area between the intermediate layer and the lower layer.

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