CN107347468B

CN107347468B - Multi-head multipurpose multi-combination portable gardening tool

Info

Publication number: CN107347468B
Application number: CN201710731819.9A
Authority: CN
Inventors: 马妙武; 王海伟
Original assignee: Zhejiang Baima Technology Co ltd
Current assignee: Zhejiang Baima Technology Co ltd
Priority date: 2016-11-22
Filing date: 2017-08-23
Publication date: 2023-08-25
Anticipated expiration: 2037-08-23
Also published as: CN206948979U; CN107347468A

Abstract

The invention provides a multi-head multipurpose multi-combination portable garden tool, and belongs to the technical field of electric garden tools. It has solved current garden instrument function singleness, carries inconvenient scheduling technical problem. The multi-head multipurpose multi-combination portable gardening tool comprises a main body, a functional head, an extension pipe, an extension intermediary head and a functional intermediary head; the host body head end is spliced and provided with a function head, or the host body head end is spliced and provided with an extension intermediate head, the extension intermediate head end is connected and provided with an extension pipe, the extension pipe head end is provided with a function intermediate head, and the function intermediate head end is spliced and provided with a function head. The garden tool has at least 3 functional heads, utilizes the functional head to combine the host machine body, combines the functional head to expand the intermediate head, utilizes the functional intermediate head and the extension pipe, can expand more functions and methods, has more abundant functions, only needs to carry one set of equipment during multi-operation, and improves the convenience of use.

Description

Multi-head multipurpose multi-combination portable gardening tool

Technical Field

The invention relates to the field of electric garden tool devices, in particular to a multi-head multipurpose multi-combination portable garden tool.

Background

The garden tool is different in power and is of an engine type and an electric type, the engine type uses a 2-stroke or 4-stroke engine, the oil gas is converted into electric power, the disadvantage of the garden tool is quite heavy, and compared with a worker using the garden tool, the garden tool generally needs to process more than 2 mu of garden, and the garden tool also needs to process the following matters such as lawn processing, bush flattening, branch cutting, leaf blowing and the like in the same place, so that a plurality of machines are needed; therefore, the field needs to provide a light multifunctional gardening tool which is preferably power as much as possible and is convenient to move, a relatively long power line is needed to be carried or a small power generator is needed to be carried to use direct current in the prior art, and a cost-increasing converter is needed to be arranged, so that the gardening tool is limited to have power sources in places such as gardens and parks which are far away from the power sources for most of the time outdoors, particularly the input of AC (alternating current) power sources is needed in the places, and the like, and the inconvenience is quite high.

Disclosure of Invention

The invention aims to invent a multi-head multi-purpose multi-combination portable gardening tool.

The invention is realized by the following steps: a multi-head multipurpose multi-combination portable gardening tool comprises a main body, a functional head, an extension pipe, an extension intermediary head and a functional intermediary head; the head end of the host body is spliced and provided with a functional head, or the head end of the host body is spliced and provided with an extension pipe, the head end of the extension pipe is connected and provided with a functional intermediate head, and the head end of the functional intermediate head is spliced and provided with a functional head;

The multifunctional head comprises a connecting head and a functional head, the functional head comprises a chain saw functional head, a grass cutting functional head and a shrub saw head, the functional head is integrally provided with the connecting head, the connecting head is outwards convexly provided with a plug-in chute C, the plug-in chute C is connected with the functional head connecting part of the functional head by the amount of a connecting chute, the functional head is connected with the functional head or an expanding intermediate head through an expanding chute on an expanding connecting part of a main body and then is connected with the functional head, the functional head comprises the chain saw functional head, the grass cutting functional head and the shrub saw head, the shrub saw head is used for blowing the shrub saw head, the chain saw function, the grass cutting function, the shrub saw function and the shrub saw function in gardens are realized, and the intermediate head can be connected and expanded by an extending pipe to realize long-distance and medium-distance operation;

the chain saw functional head is provided with a brake and a transfer starter;

the grass cutting functional head is provided with a multicolor grass cutting head, the grass cutting head is filled with a whole bundle, and is provided with a top buckle and a bottom buckle which can be split and screwed on the disk main body up and down;

the blade blowing machine head is provided with a curved driving pipe and a turbofan;

the shrub saw head is provided with a starting transfer starter which is provided with a bendable saw blade supporting guide rod, and a plurality of split saw blades are arranged in a saw blade groove;

The function intermediate head can be inserted into the extension pipe and is provided with a steering support part for steering at least 180 degrees;

the voltage compatible controllers are arranged on the main body and the functional heads and can be used for realizing the downward voltage compatible function of the main body and the functional heads for different mobile battery packs;

the main body and the functional head are connected in an inserting way or the main body and the expansion intermediate head are connected in an inserting way or the main body and the functional intermediate head are connected in an inserting way, and a top buckling device, an internal pressing buckling device or a lateral buckling device is arranged;

the main machine body comprises a handle and a movable battery pack, wherein the handle is provided with an intermittent trigger switch, and the movable battery pack is provided with an LED indicator lamp driving module.

Compared with the background technology, the invention has the beneficial effects that: the invention provides a multi-head multipurpose multi-combination portable garden tool, and belongs to the technical field of electric garden tools. It has solved current garden instrument function singleness, carries inconvenient scheduling technical problem. The multi-head multipurpose multi-combination portable gardening tool comprises a main body, a functional head, an extension pipe, an extension intermediary head and a functional intermediary head; the host body head end is spliced and provided with a function head, or the host body head end is spliced and provided with an extension intermediate head, the extension intermediate head end is connected and provided with an extension pipe, the extension pipe head end is provided with a function intermediate head, and the function intermediate head end is spliced and provided with a function head. The garden tool has at least 3 functional heads, utilizes the functional head to combine the host machine body, combines the functional head to expand the intermediate head, utilizes the functional intermediate head and the extension pipe, can expand more functions and methods, has more abundant functions, only needs to carry one set of equipment during multi-operation, and improves the convenience of use.

Compared with the background technology, the invention has the beneficial effects that:

1. the novel garden tool is suitable for household use and is also very suitable for large-scale gardens, and can save the collection space in household use, and as the garden tool comprises multiple functions, the condition that 1 family purchases a large number of garden tools can be reduced, and a whole set of garden maintenance tools can be owned only by using 1/3-1/5 of the price; the multifunctional garden tool is more suitable for maintaining large parks, lawns, hotels and plant parks, is carried with one garden tool to be simultaneously responsible for various operation operations of all gardens in one working area, at least has 3 functional heads, utilizes the functional head to combine with a host machine body, the host machine body to combine with an expansion intermediary head, the functional intermediary head and an extension pipe, can expand more using functions and methods, can directly use the functional heads to connect with the host machine body, and generates direct double-hand short-holding operation tools for short-distance use; a section of telescopic pipe is used or the telescopic middle distance is used, so that the telescopic middle distance can be used; extending the extension pipe for long distance use; thereby meeting different use environments.

2. The functional head can be expanded, a chute-shaped design is adopted, and a sliding tongue and other mechanisms for safety are arranged in the chute design, so that the protection of circuits in the pipe body and the main machine structure is facilitated; the replacement is convenient, other parts are not required to move, and the functional head fastening device of the head can be removed only by removing the functional head fastening device of the head, and a new working head is connected; the AC batteries of the mobile batteries are used for supplying power, at least 1 AC battery pack is installed, 1 AC battery pack can be expanded to 2 AC batteries, so that the service capacity of the batteries is increased, and a special LED lamp indicating module is arranged to indicate and reflect the whole operation condition of the product; the self-memory type lamp driving unit, the control unit, the single-battery sampling unit and the memory storage unit are adopted, so that each set data can be stored and called, and the self-memory type lamp driving unit can be arranged in electric tool circuits with different requirements, is particularly suitable for all-in-one garden tools, and solves the problem of circuit design swelling of all-in-one garden tools caused by different output requirements of each working head.

3. The voltage downward compatible controller is arranged in the main body, so that the voltage of the mobile battery packs with different strings can be converted, the multi-string lithium battery packs are applied across voltage platforms, and the controller realizes the use of the battery packs with different voltages on the whole machine with different voltages. The controller is connected in series between the battery pack and the whole machine through a wire. The controller realizes BUCK/BOOST and voltage rising and reducing and voltage conversion and current supply, so that the expansion use of the battery pack is realized, for example, a 40-string lithium battery pack is realized, and the product can be applied to 5-35 strings of electric tools and round forest tools to achieve the universality of the battery pack; the chain saw can be started by the aid of the transfer device, starting performance of the chain saw can be obviously improved, a labor-consuming phenomenon of hand-pulling starting is avoided, and the problem that weak workers such as females are difficult to hand-pull the chain saw to start is solved; the technical scheme is provided with three fastening devices with different forms, can process the connection between each functional head and the intermediate head under different conditions, and provides two-time safe power supply control; the arc-shaped cutting and irrigating bush saw head can be arranged, so that arc-shaped seedling modeling can be made, and meanwhile, a single group of blades can be used for independent maintenance.

Drawings

Fig. 1 is an overall connection diagram of an exemplary structure of the present invention.

Fig. 2 is a schematic diagram of the long distance in combination.

Fig. 3 is a schematic diagram of a short connection function.

Fig. 4 is an extended intermediate header structure diagram.

Fig. 5 is a functional intermediate head structure diagram.

Fig. 6 is a functional head structure diagram of the chain saw.

Fig. 7 is an interior view of a functional head of the chain saw.

FIG. 8 is a block diagram of a brake assembly.

FIG. 9 is a schematic circuit diagram of a brake assembly.

Fig. 10 is a block diagram of a leaf blower head.

Fig. 11 is an internal view of the leaf blower head.

Fig. 12 is a bottom view of the leaf blower head.

FIG. 13 is a block diagram of the grass cutting head.

Fig. 14 is a diagram of a multicolor mowing disc structure.

Fig. 15 is a combination view of a multicolor mowing disc.

FIG. 16 is a view of a receptacle for a multicolor mowing disc.

Fig. 17 is a diagram of a multicolor straw rope structure 1.

Fig. 18 is a diagram of a multicolor straw rope structure 2.

Fig. 19 top snap-fit device view.

Fig. 20 is a view of the push button device.

FIG. 21 is a connection diagram of a push button device.

Fig. 22 is a side-to-side fastening device view.

FIG. 23 is a block diagram of an intermittent trigger switch.

FIG. 24 is a sectional view of an intermittent trigger switch structure.

Fig. 25 is a circuit diagram of a voltage compatible controller.

Fig. 26 is a block diagram of LED indicator light driving.

Fig. 27 is a diagram showing a structure of a motor power section provided with a transfer starter.

Fig. 28 is a view showing a construction of the transfer starter.

Fig. 29 is a view of the construction of the explosion of the transfer starter.

Fig. 30 is a diagram of example 2 of a wire coil.

Fig. 31 is a structural diagram of the connection head.

FIG. 32 is a flow chart of an LED indicator light driving module.

Detailed Description

The technical scheme of the invention is further specifically described below by way of examples and with reference to the accompanying drawings:

embodiment 1 as shown in fig. 1 to 5, a multi-head multipurpose multi-combination portable gardening tool comprises a main body (1), a functional head (2), an extension tube (3), an extension intermediate head (4) and a functional intermediate head (5); the head end of the host body is spliced and provided with a functional head, or the head end of the host body is spliced and provided with an extension intermediate head (5), the head end of the extension intermediate head is connected and provided with an extension pipe, the head end of the extension pipe is provided with a functional intermediate head, and the head end of the functional intermediate head is spliced and provided with a functional head;

a power supply wire or a soft steel wire driving shaft (12-1) is arranged in the extension tube, a machine shaft sleeve (12-2) is arranged at the head end of the soft steel wire driving shaft, a connecting shaft core (12-3) is arranged at the tail end of the extension tube, and the machine shaft sleeve is meshed with a power output shaft of the main body or a power input gear or a screw rod of the extension intermediate head;

as shown in fig. 3, the main machine body comprises a grip handle (6) and a mobile battery pack (7), the top of the mobile battery pack is provided with an inserting chute A (8) and an electric connection PIN button, the bottom or the tail end or two positions of the grip handle matched with the inserting chute A are provided with battery slots (10), the main machine body in each battery slot is connected with an electric connection PIN button (11), the inserting chute A of the mobile battery is inserted into each battery slot, the electric connection PIN button and the main machine body are connected with each other in a buckling mode, and the mobile battery pack is connected to the grip handle;

The head end of the handle is also provided with an expansion connecting part (12), the expansion connecting part is provided with an expansion chute (13), the connecting chute is provided with an expansion electric PIN port (14), the expansion connecting part is also provided with a buckling device (15), and after the main body is mutually inserted and combined through an inserting chute A arranged on the handle and an inserting chute C arranged on the connecting machine head, the fixed connection relation between the main body and the connecting machine head (32) is reinforced at the side face by utilizing the buckling device;

the expansion intermediate head comprises an expansion end (16) and a host end (17), the shape of the expansion end is matched with that of an extension pipe, a rear plug sleeve (18) is arranged at the head end, a passive plug chute (19) matched with a plug chute A of the functional head is arranged at the tail end, a passive PIN buckle opening (20) is arranged on the passive plug chute in a matched manner with an electric connection PIN buckle opening, the extension pipe is plugged in the plug pipe, the passive plug chute and the plug chute A of the functional head mutually slide into and plug in, and the electric connection between the host body and the expansion intermediate head is generated after the passive PIN buckle opening and the electric connection PIN buckle opening are mutually buckled;

the extension pipe at least comprises a pipe body (21) and a pipe connecting sleeve (22), wherein the head end of the pipe body is inserted into a rear plug sleeve of the extension intermediate head, the tail end of the pipe body is inserted into a front plug sleeve (23) and connected with the functional intermediate head, and the joint of any two pipe bodies is reinforced and connected by the pipe connecting sleeve;

As shown in fig. 5, the functional intermediate head comprises a functional head connecting part (24), a steering supporting part (25), a rotating shaft round shaft (26), a control part (27) and a front plug-in sleeve (23), wherein the steering supporting part is arranged at the front part of the rotating shaft round shaft, the steering supporting part rotates around the rotating shaft round shaft, the steering supporting part is provided with a functional connecting PIN buckle (29) which is integrated with the steering supporting part and protrudes at the head part of the steering supporting part, a functional head connecting chute (30) is arranged at the left and right outer edges of the functional connecting PIN buckle, the control part is arranged at the rear part of the rotating shaft round shaft and is fixedly connected with the rotating shaft round shaft, a functional head starting switch (31) is arranged at the top or the outer side of the surface of the control part, the front plug-in sleeve integrated with the control part is arranged at the bottom of the control part, and the tail end of the pipe body is inserted into the front plug-in sleeve;

as shown in fig. 1, the functional head comprises a connecting head (32) and a functional head (33), the functional head comprises a chain saw functional head (34), a grass cutting functional head (35) and a shrub saw head (36), a blowing She Jitou (37) is arranged on the functional head, the connecting head is integrally provided with a connecting head, the connecting head is outwards provided with a plugging chute C (38) in a protruding manner, the plugging chute C is connected with the functional head connecting chute quantity of the functional head connecting part, the plugging chute C is also provided with a driving PIN button opening (39), and the driving PIN button opening is buckled with the functional connecting PIN button to generate electric connection;

As shown in fig. 6-8, the chain saw functional head comprises a connecting machine head (32), a motor power part (1-1) and a chain saw blade (1-2), wherein the top end of the motor power part is provided with an upper lifting handle (1-3) and a control lifting handle (1-4), the tail part of the motor power part is provided with a sub-end inserting groove (1-5), the motor power part is internally provided with a driving motor (1-6),

the electric saw comprises a driving motor, an electric saw blade (1-2) is driven and connected by a driving shaft of the driving motor, a brake clamp (1-7) is arranged at the tail end of the electric saw blade, an emergency brake module (1-8) is arranged at the root of the driving motor, the emergency brake module is respectively connected with the driving motor and a control lifting handle, the emergency brake module comprises a brake (1-9), an electric control circuit (1-10), a lifting handle control circuit (1-11) and a circuit controller (1-12), the circuit controller is electrically connected with the electric control circuit, one end of the brake is electrically connected to a power supply port (1-13) of an adapter part through the electric control circuit, the lifting handle control circuit is arranged at the other end of the brake to be electrically connected with a control lifting handle in an opening-closing mode, the control lifting handle comprises a lifting handle main body (1-14), a brake torsion spring (1-15) is arranged at the root of the lifting handle main body, a distributing plate (1-16) is arranged at the bottom of the brake torsion spring, an opening-closing brake spring (1-17) is arranged at the bottom of the distributing plate, one end of the brake spring is connected with the driving motor, and the other end of the brake spring is connected with the safety circuit (1-18); the opening and closing brake reed is splayed, a toggle contact switch (1-19) is arranged at the upper end of the tail part of the opening and closing brake reed, a control handle groove (1-20) is formed in the head part of the top end of the motor power part, the control handle is inserted into the control handle groove and fixed in the motor power part by a brake torsion spring, the control handle groove comprises a left slotted plate (1-21) and a right slotted plate (1-22), a limit pulling plate (1-23) is further arranged at the outer side of the brake torsion spring of the control handle, and a triangular roof (1-24) is arranged at the central part of the opening and closing brake reed;

As shown in fig. 10-12, the leaf blowing machine head comprises a curved driving pipe (2-1), an air inlet power supply part (2-2) and an air duct pipe part (2-3); the flexible steel wire driving shaft is sleeved in the bent driving pipe, the air inlet power supply part comprises an electrodeless speed regulation bearing device (2-4) and an air rotating shaft (2-5), the air rotating shaft is inserted in the electrodeless speed regulation bearing device, the bottom of the air rotating shaft is connected with a turbine fan (2-6) of the air duct pipe part, the turbine fan covers a turbine disc (2-7), a 9-shaped turbine fan shell (2-8) is arranged outside the turbine disc, a turbine air duct (2-9) is formed between the turbine disc and the turbine disc, an air inlet hemisphere (2-10) is arranged at the bottom of the turbine disc, a reverse turbine air duct (2-11) is reversely arranged around the 9-shaped turbine fan shell of the air inlet hemisphere, and a wind dividing piece (2-12) is arranged at the head end of the turbine air duct;

as shown in fig. 3, the shrub saw head comprises a connecting machine head (32) and a shrub saw main machine (3-1), wherein the connecting machine head is arranged at the tail end of the shrub saw main machine, the shrub saw main machine is wrapped by a shrub saw shell (3-2), a saw motor (3-3) is arranged inside the shrub saw main machine, the saw motor is arranged on a motor seat (3-4), a pulling wheel (3-5) is arranged at the bottom of the motor seat, a saw blade supporting and guiding rod (3-6) is arranged at the front end of the motor seat, a plurality of split saw blades (3-7) are arranged in a saw blade groove, a wire-pulling wire (3-8) is arranged at the tail end of the saw blade, the wire-pulling wire is hinged on the pulling wheel, a pressing plate (3-10) is further arranged at the front end of a rotatable handle (3-9), and the front baffle is provided with a detachable metal pressing rod, and the head end of the detachable metal pressing rod is pressed on a multi-stage pressing column (3-11) arranged at the head end of the saw blade supporting and guiding rod.

13-18, the mowing functional head comprises a connecting machine head (32) and a mowing host machine (4-2), the mowing host machine comprises a semicircular arc shell (4-3), a mowing driving part (4-4) is arranged at the top of the semicircular arc shell, the mowing driving part is outwards extended and is provided with the connecting machine head, a mowing motor (4-5) is arranged in the mowing driving part, a mowing shaft (4-6) of the mowing motor is exposed out of a driving hole (4-7) at the top of the mowing motor beyond the semicircular arc shell, a multicolor mowing head (4-8) is screwed on the mowing shaft, the multicolor mowing head comprises a containing seat (4-8 a), a lower connecting sleeve tight cover (4-9), a wire coil (4-10) and a mowing rope group (4-11), the containing seat is in a round bowl shape, a top cover (4-13) is arranged at the top of a bowl tube (4-12) of the containing seat, a mounting hole (4-14) is arranged at the axis position of the top cover, and an idle rotating shaft (4-15) is screwed below the mounting hole;

a pair of cover rotating cards (4-16) are arranged on the transverse axis of the bowl pipe, a rope arranging head card (4-17) is arranged on the vertical axis, the cover rotating cards consist of a 'shaped pipe concave sheet (4-18) and a buckling sheet (4-19) arranged in front of the' shaped pipe concave sheet, a buckling groove (4-20) is formed between the pipe concave sheet and the buckling sheet, and a rope penetrating hole (4-21) is arranged in the rope arranging head card;

The lower connecting sleeve tightening cover comprises a chassis (4-22) and a combining sheet (4-23) vertically upwards arranged on the chassis, a wire disc bottom fixing hole (4-24) is arranged at the axis of the lower connecting sleeve tightening cover, and the combining sheet is clamped into the buckling groove;

the wire coil comprises a top buckle (4-25), a spacer (4-26), a coil column (4-27) and a bottom buckle (4-28), wherein the top buckle is arranged at the top end of the coil column, the bottom buckle is arranged at the bottom end of a coil main body, the top buckle and the spacer form an upper bundling groove (4-29), the coil column and the bottom buckle form a lower bundling groove (4-30), and straw ropes are sleeved in the upper bundling groove and the lower bundling groove;

the grass tying rope group is a winding rope or rope bundling group and at least comprises an upper bundling rope group (4-31) and a lower bundling rope group (4-32), wherein the upper bundling rope group is sleeved in the upper bundling groove, and the lower bundling rope group is sleeved in the lower bundling rope group;

the inside of the coil column is hollow and tubular, the bottom is provided with a sealing head (4-33) in a sealing way, a paying-off spring buckling ring (4-34) is tightly arranged above the sealing head in the tube body of the coil column, the paying-off spring buckling ring is sleeved with a paying-off spring (4-35), and the top of the paying-off spring props against the lower joint sleeve tight cover;

the buckling device (15) is a top buckling device (5-1), or an inner pressing buckling device (6-1), or a lateral buckling device (7-1);

as shown in fig. 19, the top fastening device comprises a trigger fastener (5-3) arranged in a connection fixing groove (5-2) arranged at the top end of a connection machine head (32) and an expansion connection part, a trigger fixing shaft (5-4) is arranged at the head end or the tail end of the connection fixing groove, the trigger fixing shaft is connected with the tail end of the trigger fastener (5-4) in a plugging manner, the trigger fastener rotates around the trigger fixing shaft, a lock shaft (5-5) is arranged at the middle position of the trigger fastener, a lock plate (5-6) is connected on the lock shaft in a plugging manner, an L-shaped fastening seat (5-7) is arranged at the central position of the connection fixing groove, the lock plate is fastened in the L-shaped fastening seat, and a safety switch pressing fastener (5-8) is arranged at the end of the trigger fastener;

As shown in fig. 20-21, the internal pressing fastening device is arranged in the expansion connection part, a button hole (6-2) is arranged on the outer wall of the main machine head shell adjacent to the expansion chute, the internal pressing fastening device comprises a reaction fixing piece (6-4), a return spring (6-5) and a pressing piece (6-6), the pressing piece comprises a tongue piece (6-7) and a fixing piece (6-8), a convex button (6-9) is arranged on the fixing piece in a protruding mode, a screw is arranged on the fixing piece in a threaded mode to be connected with the main machine head shell, a return spring is fixedly arranged in a hollow cavity (6-10) in the reverse side of the convex button, the bottom of the return spring is pressed by the reaction fixing piece, the tongue piece extends straight to the expansion chute, an L-shaped tongue piece is arranged at the tongue pressing fastening hole, a tongue piece fastening groove (6-11) is arranged on a plug chute C of the functional machine head or a plug chute of the expansion intermediate head in a matching mode, the functional machine head or the expansion intermediate head is pressed down until the tongue piece is fastened into the tongue piece fastening groove after the tongue piece is plugged, and the front and back sides of the main machine head shell (6-12) are provided with mirror-symmetrical internal pressing fastening device structures;

as shown in fig. 22, the lateral buckling device (7-1) is arranged in a lateral buckling groove (7-2) of the side surface of the connecting machine head (32) behind the shell (6-12) of the main machine head, and comprises a rotating shaft (7-3), a rotating shaft clamp (7-4) and a lateral buckling piece (7-5), wherein the rotating shaft clamp is arranged on the shell of the lateral buckling groove, the rotating shaft is sleeved with the lateral buckling piece and then fixed on the rotating shaft clamp by the rotating shaft, the rotating shaft clamp is also arranged on the lateral buckling piece, the rotating shaft clamp is connected by the rotating shaft clamp, an L buckling tongue (7-6) is arranged at the bottom of the inner side of the lateral buckling piece, a pressing piece A (7-7) is arranged above the L buckling tongue and matched with the pressing piece A, a safety switch is arranged in the main machine head, and the impact switch of the safety switch is arranged in the lateral buckling groove and is matched with the pressing position of the pressing piece A; the left side surface and the right side surface of the side buckle piece are provided with buckle gaps (7-8), the matched buckle gaps are provided with side buckles (7-9) in the side buckle grooves, and the side buckle grooves at the lower pressing positions of the matched L buckle tongues are provided with side fixing clamping grooves (7-10);

As shown in fig. 23 and 24, an intermittent trigger switch (8-2) is arranged in a holding groove (8-1) of the grip handle, the intermittent trigger switch comprises a transverse shift (8-3), a safety switch (8-4) and a cutting trigger (8-5), the transverse shift comprises a passing shaft (8-6) and a passing block (8-7), the passing shaft arranged at the head end of the passing block is arranged in a safety mounting hole (8-9) of the hand lever shell in a matched and suspended manner, a notch (8-10) is arranged at the central position of the passing shaft, a reset spring (8-11) is arranged above the cutting trigger, the cutting trigger and the safety switch are arranged in a crisscross manner, a shifting head (8-12) is arranged at the head end of the cutting trigger, and the shifting head abuts against a light contact spring piece (8-13) of the safety switch; the structure of the matched cutting trigger is that the cross section of the cutting trigger is U-shaped, a trigger groove is arranged, a left stop block and a right stop block (8-14) are downwards arranged on the traversing stop block matched with the trigger groove, and the safety switch is electrically connected with the voltage compatible controller (8-15) and the touch switch;

as shown in fig. 25, the voltage compatible controller is electrically connected with the battery combined LED indicator driving module (8-16) through the main body power connection PIN button of the mobile battery pack;

the voltage compatible controller is also electrically connected to an electrical connection PIN button port (9) of the main body and is electrically connected to a main body power connection PIN button in the battery slot, and the main body is connected into an electrical loop;

The voltage compatible controller comprises a communication control processing unit (9-1), a power supply awakening circuit (9-2), a voltage sampling circuit (9-3), a 12V voltage conversion unit (9-4), a 5V voltage conversion unit (9-5), a PWM voltage control unit (9-6), an output voltage regulating circuit (9-7), an output voltage sampling circuit (9-8), an output voltage conversion circuit (9-9), an LED display circuit (9-10), an output voltage filter circuit (9-11), a communication level conversion circuit (9-12) and a rechargeable battery string (9-13), wherein a P+ line (9-14), a P-line (9-15) and a COM line (9-16) are downwards arranged on a host body power connection PIN button, a compatible controller safety switch (9-17) is arranged on the P+ line, the lower part of the P+ line is connected with the anode of the output voltage filter circuit, the cathode of the output voltage filter circuit is connected with the P-line, the P-line is also connected with the communication level conversion circuit, and the COM line is also connected with the communication level conversion circuit; the communication level conversion circuit is provided with a circuit A to a voltage sampling circuit, and is also provided with a resistor circuit connected with a P-line in series, the P-line is connected with an output voltage acquisition circuit after passing through the communication level conversion circuit, the output voltage acquisition circuit is provided with a circuit B which is electrically connected with a B+ line, the upper end of the connection part of the circuit B is provided with a voltage conversion unit which comprises a 12V voltage conversion unit and a 5V voltage conversion unit, the voltage conversion unit is connected with the 5V voltage conversion unit in series, the lower end of the connection part of the circuit B is provided with the voltage sampling circuit, the power supply awakening circuit is connected with a B+ line and a B-line, the B+ line and the B-line are connected with the anode and the cathode of a mobile battery pack at the tail end, the mobile battery pack is also provided with a COM line, the COM line is connected with a communication processing and control unit, the communication processing and control unit comprises an LED indicator lamp driving module and a PWM voltage control unit, the PWM voltage control unit is connected with the output voltage regulation circuit, the output voltage conversion circuit and the communication level conversion circuit, and the serial connection PIN button is also provided with a battery anti-reflection chip (9-18);

As shown in fig. 26, the LED indicator driving module is disposed on a PIN button of the mobile battery pack or the mobile battery pack, and the LED indicator driving module includes a lamp driving unit (9-19), a control unit (9-20), a single battery sampling unit (9-21), and an LED lamp group (9-22), where the lower end of the LED lamp group is electrically connected to the lamp driving unit, the lamp driving unit and the single battery sampling unit are controlled and connected by a control line disposed in the control unit, the single battery sampling unit is provided with a sampling line (9-23) electrically connected to a main body power connection PIN button, and the main body power connection PIN button is externally provided with the mobile battery pack;

an output filter elimination capacitor (9-24) is further arranged between the LED lamp group and the lamp driving unit, and the output filter elimination capacitor is electrically connected with the lamp driving unit, the single-battery sampling unit and the output filter elimination capacitor (9-25);

the control unit comprises a control unit chip and a communication control triode, the head end of the communication control triode is electrically connected with the control unit chip, the tail end of the communication control triode is divided into two electric connection branches which are respectively connected to an output filter elimination capacitor and a filter capacitor group, and the electric connection branches of the filter capacitor group are further connected to a main body power connection PIN button; LED lamp switch control switches (9-26) are arranged between the control unit and the lamp driving unit; a memory chip (9-27) is bridged between the single battery sampling unit and the control unit; a battery anti-reflection diode (9-28) is arranged between the single battery sampling unit and the single battery sampling unit;

As shown in fig. 27-29, a starting connector (10-1) is arranged outside a shell as a saw motor or a driving motor of the chain saw functional head or the bush saw main machine, an inner starter (10-2) is arranged in the starting connector, the starting connector comprises a shell (10-3), a power switching end assembly (10-4) and a power output end assembly (10-5), a device pipe groove (10-6) is arranged in the shell, holes are formed in two sides of the device pipe groove, a power switching end hole (10-7) and a power output end hole (10-8) are respectively arranged, and a power switching end assembly and a power output end assembly are inserted in the device pipe groove;

the power transfer end assembly comprises a rolling bearing (10-9) and a power transfer shaft (10-10), wherein the power transfer shaft is sleeved with the rolling bearing, the power transfer shaft comprises a power access head (10-11), a transfer shaft sealing center shaft (10-12) and a transfer shaft linkage shaft tube (10-13), the transfer shaft sealing center shaft is arranged at a power transfer end hole, the head end of the transfer shaft sealing center shaft extends out of a device tube groove to form a power access head, the power access head is exposed out of a shell, the transfer shaft linkage shaft tube is arranged in the device tube groove in the power transfer end hole, the transfer shaft sealing center shaft is sleeved with the rolling bearing, and the unidirectional rolling bearing is a unidirectional needle bearing;

The power output end assembly comprises a one-way rolling bearing (10-14) and a power output shaft (10-15), and the power transfer shaft comprises a power output head (10-16), an output shaft sealing center shaft (10-17), an output shaft coupling shaft (10-18) and an output end bearing (10-19); the output shaft sealing center shaft is arranged at the power output end hole, the head end of the output shaft sealing center shaft extends out of the power output head, the power output head is exposed out of the housing from the power output end hole, the output shaft sealing center shaft is sleeved with an output end bearing, and the one-way rolling bearing is sleeved on the output shaft linkage shaft.

The grass beating rope group at least comprises a green rope body (4-36), a yellow rope body (4-37) and a red rope body (4-38) which are formed by integral injection molding, wherein the sequencing mode is green, the yellow is the middle end, and the red is the tail end; or the arrangement of the green rope body, the yellow rope body and the red rope body of the rope bundle group is that the last layer is the red rope body, the penultimate layer is the yellow rope body, the other layers are the green rope bodies, or the arrangement of the green rope body, the yellow rope body and the red rope body of the winding rope is that the tail end 1 meter is the red rope body, the tail end 2 meters to 3 meters is the yellow rope body, and the other layers are all the green rope bodies; or the green rope body, the yellow rope body and the red rope body of the rope bundle group are integrally arranged to form a green rope body with an angle of 12 points to 6 points, and the angle of 6 to 9 points is a yellow rope body and the angle of 10 to 12 points is a red rope body in a overlook mode; and the surface layer of the grass mowing rope set is coated with a fluorescent layer or fluorescent powder.

As the optimal selection, the top button (4-25) and the bottom button (4-28) are annular bodies, the annular bodies are internally provided with disc threads, the disc columns (4-27) are provided with threads (4-39) at the upper and lower positions of the spacer (4-26) in a manner of matching the thickness of the straw rope bundle, and the top button (4-25) and the bottom button (4-28) are in threaded connection with the disc columns.

As shown in FIG. 30, as a preferable mode, the connector head (32) comprises a connector housing (11-1), a connecting wall (11-2) is arranged at the head end of the housing, an electric connection female seat inlet groove (11-3) is arranged on the connecting wall, an electric connection female seat (11-4) is arranged in the electric connection female seat inlet groove, and a plurality of electric connection inserting clips (11-5) which are arranged side by side are arranged in the electric connection female seat; the electric connection female seat is provided with a switch groove seat (11-6) on the upper side of the groove, the switch groove seat is formed by a sealing wall (11-7), an electric plug piece buckling wall (11-8), a center baffle (11-9) and a side buckling plate (11-10), the sealing wall encloses a square shape, and the sealing wall is provided with a switch pressing hole (11-11).

As shown in fig. 31, the method of using the voltage compatible controller for the multi-head multipurpose multi-pack portable gardening tool: the whole portable gardening tool is assembled, a movable battery pack is inserted on a grip handle (6) of a main machine body of the portable gardening tool, the movable battery pack can be moved by any string number of battery packs of 15V or 8V, the functional head is directly connected with a functional head connecting part of the main machine body, or the functional head connecting part of the main machine body is inserted with an extension intermediate head which is inserted with an extension pipe, the head end of the extension pipe is inserted with the functional intermediate head, the functional head is inserted with the functional head in the function intermediate head, all buckling devices are pressed down to switch on safety switches of PIN connectors of the extension heads, finally, a power-on switch of the main machine body is started, and the electric loop of the portable gardening tool with the whole multi-head and multi-combination is fully opened, but because a general monitoring button switch at the handle is arranged, the functional head does not immediately start movement, and a voltage compatible controller starts to detect the whole circuit loop at the moment, and the detection conditions are as follows:

1. Detecting the mobile battery pack, the communication chip of the mobile battery pack can return information to the communication control processing unit of the voltage compatible controller to obtain at least the following information voltage, serial number and temperature of the mobile battery pack,

2. the voltage compatible controller detects the ID of the functional head forward through the feedback of the control chip set of the functional head, and obtains at least the setting voltage and the setting current required by the starting of the functional head after reading

3. If the read voltage data is normal, continuing to read the current data, and if the current data is also normal, turning on a working lamp (a whole machine operable lamp), a battery identification lamp and a functional head identification lamp in the LED lamps on the host head;

4. if the two degrees are normal, continuously reading the output current of the A/D terminal, and if the output current of the A/D terminal is more than or equal to the identified current of the functional head or the information fed back by the whole electric loop is a circuit short circuit; under the normal all-circuit identification state, waiting to collect the identified current information of all functional heads, if all the information can be collected, but the whole circuit is in a short circuit state, feeding back to turn on a short-circuit lamp, flashing and turning off a T1 lamp and turning off a PWM voltage control unit, turning off PIN ports of all the circuits and turning on and off control PINs, and finally turning off a safety switch of the whole machine, so that the system forcedly enters a dormant state;

5. If the identified data are normal, continuing to read the remaining capacity and the total capacity of the battery, continuing to wait for the controller to read all the data of all the mobile battery packs (in the case of a plurality of mobile battery packs), and if the data which can be read all the battery packs are normal

6. If all the battery packs are read, the switch of the main machine head is in a closed state, and the main machine head waits for detection again, and if the main machine head is in the closed state, the safety switch of the whole machine is closed finally, and the system is forced to enter a dormant state; if the machine is not closed, the A/D port is turned on to supply power, and all the batteries such as the LED are normally lighted to display, and the working normal lamp of the machine is also lighted;

if the battery directly accords with the voltage and the serial number required by the starting function head, the current is directly connected to the P+ circuit through the B+ circuit, the B-circuit directly passes through the power supply awakening circuit and the voltage sampling circuit to reach the output voltage change circuit, but the change is not needed any more, and the voltage is directly supplied to the PIN port of the host body for voltage output;

the power supply awakening circuit starts to work so as to conduct the MOS tube Q4, and the power supply awakening circuit reaches the 12V and 5V voltage conversion unit through the D1 circuit to supply power consumption requirements of other circuits of the whole controller;

the output voltage loop consists of a PWM voltage control unit, an output voltage sampling circuit, an output voltage conversion circuit, an output voltage regulating circuit, an output voltage filter circuit and a communication control processing unit;

When the Q1 loop (9-18) is opened, the voltage at the B+ end flows to the Q1 loop through L1 and flows to the B-end of the mobile battery pack through RS, when the voltage output to P+ and P-ends are divided by R9, R1, Q2, R10, Q3 and R2 to obtain the voltage difference, the voltage difference is sent to an output voltage regulating circuit for comparison, the output voltage is controlled to reach 18V in advance by regulating a PWM voltage control single section, at the moment, the communication control processing unit regulates the proportion of the output voltage regulating circuit by R11 and C3 by reading the mobile battery pack and the whole all-in-one tool information, so that the output voltage reaches the use voltage requirement required by a functional head; the output voltage is used for smoothing the output voltage peak through the output voltage filter circuit, so that the power supply of the functional head is in a stable state; the communication control processing unit works to obtain the voltage, serial number, temperature and other information of the mobile battery pack through reading the communication of the com port of the mobile battery pack, reads the parameters such as the working demand voltage, current and the like of the functional head through the communication level conversion circuit, and adjusts the output voltage regulating circuit and the working state of the PWM voltage control unit after calculation; displaying the current state through an LED indicator lamp driving module; the real voltage of the mobile battery pack is obtained through the voltage sampling circuit, and the undervoltage secondary protection mechanism of the mobile battery pack is realized.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A method for using voltage compatible controller of multi-head multi-purpose multi-combination portable gardening tool, comprising multi-head multi-purpose multi-combination portable gardening tool, which is characterized in that: comprises a main body (1), a functional head (2), an extension tube (3), an extension intermediate head (4) and a functional intermediate head (5); the head end of the host body is spliced and provided with a functional head, or the head end of the host body is spliced and provided with an extension intermediate head (4), the head end of the extension intermediate head is connected and provided with an extension pipe, the head end of the extension pipe is provided with a functional intermediate head, and the head end of the functional intermediate head is spliced and provided with a functional head;

a power supply wire or a soft steel wire driving shaft (9-1) is arranged in the extension tube, a machine shaft sleeve (9-2) is arranged at the head end of the soft steel wire driving shaft, a connecting shaft core (9-3) is arranged at the tail end of the extension tube, and the machine shaft sleeve is meshed with a power output shaft of the main body or a power input gear or a screw rod of the extension intermediate head;

The main machine body comprises a grip handle (6) and a mobile battery pack (7), wherein an inserting sliding chute A (8) and an electric connection PIN button are arranged at the top of the mobile battery pack, a battery slot (10) is arranged at the bottom or the tail end or both ends of the grip handle matched with the inserting sliding chute A, the main machine body in the battery slot is connected with an electric connection PIN button (11), the inserting sliding chute A of the mobile battery is inserted into the battery slot, the electric connection PIN button and the main machine body are connected with the electric connection PIN button into a whole, and the mobile battery pack is connected on the grip handle;

the functional intermediate head comprises a functional head connecting part (24), a steering supporting part (25), a rotating shaft round shaft (26), a control part (27) and a front plug-in sleeve (23), wherein the steering supporting part is arranged at the front part of the rotating shaft round shaft and rotates around the rotating shaft round shaft, the steering supporting part is provided with a functional connecting PIN button (29) which is integrated with the steering supporting part, the left and right outer edges of the functional connecting PIN button are provided with functional head connecting sliding grooves (30), the control part is arranged at the rear part of the rotating shaft round shaft and is fixedly connected with the rotating shaft round shaft, a functional head starting switch (31) is arranged at the top or the outer side of the surface of the control part, the front plug-in sleeve integrated with the control part is arranged at the bottom of the control part, and the tail end of the pipe body is inserted into the front plug-in sleeve;

the functional head comprises a connecting head (32) and a functional head (33), the functional head comprises a chain saw functional head (34), a grass mowing functional head (35) and a shrub saw head (36), the connecting head is integrally arranged on the functional head, the connecting head is outwards convexly provided with a plug-in chute C (38), the plug-in chute C is connected with the functional head connecting chute of the functional head connecting part, the plug-in chute C is further provided with a driving PIN buckling opening (39), and the driving PIN buckling opening is buckled with the functional connecting PIN buckling opening to generate electric connection;

The chain saw functional head comprises a connecting machine head (32), a motor power part (1-1) and an electric saw blade (1-2), wherein an upper lifting handle (1-3) and a control lifting handle (1-4) are arranged at the top end of the motor power part, a sub-end insertion groove (1-5) is arranged at the tail part of the motor power part, and a driving motor (1-6) is arranged in the motor power part;

the electric saw is characterized in that a driving shaft of the driving motor is in driving connection with an electric saw blade (1-2), a brake clamp (1-7) is arranged at the tail end of the electric saw blade, an emergency brake module (1-8) is arranged at the tail end of the electric saw blade, the emergency brake module is respectively connected with the driving motor and a control lifting handle, the emergency brake module comprises a brake (1-9), an electric control circuit (1-10), a lifting handle control circuit (1-11) and a circuit controller (1-12), the circuit controller is electrically connected with the electric control circuit, one end of the brake is electrically connected to a power supply port (1-13) of the switching part through the electric control circuit, the lifting handle control circuit is arranged at the other end of the brake to be electrically connected with the control lifting handle in an opening-closing mode, the control lifting handle comprises a lifting handle main body (1-14), a brake torsion spring (1-15) is arranged at the root of the lifting handle main body, a separating sheet (1-16) is arranged at the bottom of the brake torsion spring, an opening-closing brake spring (1-17) is arranged at the bottom of the separating sheet, one end of the opening-closing brake spring is connected with the driving motor, and the other end of the separating sheet is connected with the safety circuit (1-18); the opening and closing brake reed is splayed, a toggle contact switch (1-19) is arranged at the upper end of the tail part of the opening and closing brake reed, a control handle groove (1-20) is formed in the head part of the top end of the motor power part, the control handle is inserted into the control handle groove and fixed in the motor power part by a brake torsion spring, the control handle groove comprises a left slotted plate (1-21) and a right slotted plate (1-22), a limit pulling plate (1-23) is further arranged at the outer side of the brake torsion spring of the control handle, and a triangular roof (1-24) is arranged at the central part of the opening and closing brake reed;

The leaf blowing machine head comprises a curved driving pipe (2-1), an air inlet power supply part (2-2) and an air duct pipe part (2-3); the flexible steel wire driving shaft is sleeved in the bent driving pipe, the air inlet power supply part comprises an electrodeless speed regulation bearing device (2-4) and an air rotating shaft (2-5), the air rotating shaft is inserted in the electrodeless speed regulation bearing device, the bottom of the air rotating shaft is connected with a turbine fan (2-6) of the air duct pipe part, the turbine fan covers a turbine disc (2-7), a 9-shaped turbine fan shell (2-8) is arranged outside the turbine disc, a turbine air duct (2-9) is formed between the turbine disc and the turbine disc, an air inlet hemisphere (2-10) is arranged at the bottom of the turbine disc, a reverse turbine air duct (2-11) is reversely arranged around the 9-shaped turbine fan shell of the air inlet hemisphere, and a wind dividing piece (2-12) is arranged at the head end of the turbine air duct;

the shrub saw head comprises a connecting machine head (32) and a shrub saw host machine (3-1), wherein the connecting machine head is arranged at the tail end of the shrub saw host machine, the shrub saw host machine is wrapped by a shrub saw shell (3-2), a saw motor (3-3) is arranged inside the shrub saw host machine, the saw motor is arranged on a motor seat (3-4), a pulling wheel (3-5) is arranged at the bottom of the motor seat, a saw blade supporting rod (3-6) is arranged at the front end of the motor seat, a plurality of split saw blades (3-7) are arranged in a saw blade groove, a towing line (3-8) is arranged at the tail end of the saw blade, the towing line is hinged on the pulling wheel, a pressing plate (3-10) is further arranged at the front end of a rotatable handle (3-9), and the front pressing plate is provided with a detachable metal pressing rod which is pressed on a multi-stage pressing column (3-11) arranged at the head end of the saw blade supporting rod in a pressing mode;

The multifunctional grass mowing head comprises a connecting machine head (32) and a grass mowing host machine (4-2), wherein the grass mowing host machine comprises a semicircular arc shell (4-3), a grass mowing driving part (4-4) is arranged at the top of the semicircular arc shell, the grass mowing driving part is outwards extended to be provided with the connecting machine head, a grass mowing motor (4-5) is arranged in the grass mowing driving part, a grass mowing shaft (4-6) of the grass mowing motor is exposed out of a driving hole (4-7) at the top of the grass mowing motor beyond the semicircular arc shell, a multicolor grass mowing head (4-8) is screwed on the grass mowing shaft, the multicolor grass mowing head comprises a containing seat (4-8 a), a lower joint sleeve tightening cover (4-9), a wire coil (4-10) and a grass mowing rope group (4-11), the containing seat is in a round bowl shape, a top cover (4-13) is arranged at the top of a bowl tube (4-12) of the containing seat, a mounting hole (4-14) is arranged at the axis position of the top cover, the mounting hole is screwed with the grass mowing shaft, and an idle rotating shaft (4-15) is arranged below the mounting hole;

the top buckling device comprises a trigger buckle (5-3) arranged in a connecting fixing groove (5-2) arranged at the top end of a connecting machine head (32) and an expanding connecting part, a trigger fixing shaft (5-4) is arranged at the head end or the tail end of the connecting fixing groove, the trigger fixing shaft is connected with the tail end of the trigger buckle (5-3) in an inserting mode, the trigger buckle rotates around the trigger fixing shaft, a lock shaft (5-5) is arranged at the middle position of the trigger buckle, a lock plate (5-6) is connected with the lock shaft in an inserting mode, an L-shaped buckling seat (5-7) is arranged at the central position of the connecting fixing groove, the lock plate is buckled into the L-shaped buckling seat, and a safety switch pressing buckle (5-8) is arranged at the end of the trigger buckle;

The internal pressing buckling device is arranged in the expansion connecting part, a button hole (6-2) is formed in the outer wall of the host head shell close to the expansion sliding groove, the internal pressing buckling device comprises a reaction fixing piece (6-4), a reset spring (6-5) and a pressing piece (6-6), the pressing piece comprises a tongue piece (6-7) and a fixing piece (6-8), a convex button (6-9) is arranged on the fixing piece in a protruding mode, the fixing piece is provided with a screw in a threaded mode to be connected with the host head shell, a reset spring is fixedly arranged in a hollow cavity (6-10) in the back face of the convex button, the bottom of the reset spring is abutted against the reaction fixing piece, the tongue piece extends straight to the expansion sliding groove, an L-shaped tongue piece is arranged at the position of the pressing tongue piece buckling hole, the matching tongue piece is provided with a tongue piece buckling groove (6-11) on a plugging sliding groove C of the functional head and a plugging sliding groove A of the expansion intermediate head, the functional head or the expansion intermediate head is pressed down until the tongue piece is buckled into the tongue piece buckling groove, and mirror symmetry internal pressing buckling device structures are arranged on the front face and back face of the host head shell (6-12);

the lateral buckling device (7-1) is arranged in a lateral buckling groove (7-2) on the side surface of a main machine head shell (6-12) or a connecting machine head (32), and comprises a rotating shaft (7-3), a rotating shaft clamp (7-4) and a lateral buckling piece (7-5), wherein the rotating shaft clamp is arranged on the shell of the lateral buckling groove, after the lateral buckling piece is sleeved on the rotating shaft, the rotating shaft clamp is fixed on the rotating shaft clamp, the rotating shaft clamp is also arranged on the lateral buckling piece, the rotating shaft clamp is connected with the rotating shaft clamp, an L buckling tongue (7-6) is arranged at the bottom of the inner side of the lateral buckling piece, a pressing piece A (7-7) is arranged above the L buckling tongue and matched with the pressing piece A, a safety switch is arranged in the main machine head, and the contact switch of the safety switch is arranged in the lateral buckling groove and matched with the pressing position of the pressing piece A; the left side surface and the right side surface of the side buckle piece are provided with buckle gaps (7-8), the matched buckle gaps are provided with side buckles (7-9) in the side buckle grooves, and the side buckle grooves at the lower pressing positions of the matched L buckle tongues are provided with side fixing clamping grooves (7-10);

An intermittent trigger switch (8-2) is arranged in a holding groove (8-1) of the grip handle, the intermittent trigger switch comprises a transverse shift block (8-3), a safety switch (8-4) and a cutting trigger (8-5), the transverse shift block comprises a passing shaft (8-6) and a passing block (8-7), the passing shaft arranged at the head end of the passing block is hung in a safety mounting hole (8-9) of a hand lever shell in a matched manner, a notch (8-10) is arranged at the central position of the passing shaft, a reset spring (8-11) is arranged above the cutting trigger, the cutting trigger and the safety switch are arranged in a crossed manner, a shifting head (8-12) is arranged at the head end of the cutting trigger, and the shifting head props against a light contact spring piece (8-13) of the safety switch; the structure of the matched cutting trigger is that the cross section of the cutting trigger is U-shaped, a trigger groove is arranged, a left stop block and a right stop block (8-14) are downwards arranged on the traversing stop block of the matched trigger groove, and the safety switch is electrically connected with the voltage compatible controller (8-15) and the touch switch;

the voltage compatible controller is electrically connected with a battery combined LED indicator lamp driving module (8-16) through a main machine body power connection PIN button of the mobile battery pack;

Method of using a voltage compatible controller: the whole portable gardening tool is assembled, a mobile battery pack is inserted on a grip handle (6) of a main machine body of the portable gardening tool, the mobile battery pack is a battery pack with any string number of 15V or 8V, a functional head is directly connected to a functional head connecting part of the main machine body, or an extension intermediate head is inserted into an extension pipe through a functional head connecting part of the main machine body, the functional head is inserted into the end of the extension pipe, the functional head is inserted into the functional intermediate head, all fastening devices are pressed down to connect safety switches of PIN connectors of all the extension heads, and finally an electrified switch of the main machine body is started, but because a master monitoring button switch at the handle is arranged, the functional head does not immediately start movement, and a voltage compatible controller starts to detect the whole circuit loop at the moment, so that the detection conditions are as follows:

detecting the mobile battery pack, the communication chip of the mobile battery pack can return information to the communication control processing unit of the voltage compatible controller to obtain at least the following information voltage, serial number and temperature of the mobile battery pack,

The voltage compatible controller detects the ID of the functional head forwards through the feedback of the control chip set of the functional head, and obtains at least the setting voltage and the setting current required by the starting of the functional head after reading;

if the feedback data of the functional head is obtained, the read voltage data is normal, the current data is continuously read, and if the current data is also normal, a working lamp, a battery identification lamp and a functional head identification lamp in the LED lamps on the host head are lightened;

if the two readings are normal, continuing to read the output current of the A/D terminal, and if the output current of the A/D terminal is more than or equal to the identified current of the functional head or the information fed back by the whole electric loop is a short circuit; under the normal all-circuit identification state, waiting to collect the identified current information of all functional heads, if all the information can be collected, but the whole circuit is in a short circuit state, feeding back to turn on a short-circuit lamp, flashing and turning off a T1 lamp and turning off a PWM voltage control unit, turning off PIN ports of all the circuits and turning on and off control PINs, and finally turning off a safety switch of the whole machine, so that the system forcedly enters a dormant state;

if the identified data are normal, continuing to read the residual capacity and the total capacity of the battery, continuing to wait for the controller to read all the data of all the mobile battery packs, and if the data of all the mobile battery packs can be read to be normal;

If all the battery packs are read, the switch of the main machine head is in a closed state, and the main machine head waits for detection again, and if the main machine head is in the closed state, the safety switch of the whole machine is closed finally, and the system is forced to enter a dormant state; if the machine is not closed, the A/D port is turned on to supply power, and all the batteries such as the LED are normally lighted to display, and the working normal lamp of the machine is also lighted;

2. The method of using a voltage compatible controller for a multi-head, multi-purpose, multi-combination portable gardening tool as claimed in claim 1, wherein: the voltage compatible controller comprises a communication control processing unit, a power supply awakening circuit, a voltage sampling circuit, a 12V voltage conversion unit (9-4), a 5V voltage conversion unit (9-5), a PWM voltage control unit (9-6), an output voltage regulating circuit (9-7), an output voltage sampling circuit (9-8), an output voltage conversion circuit (9-9), an LED display circuit (9-10), an output voltage filter circuit (9-11), a communication level conversion circuit (9-12) and a rechargeable battery string (9-13), a P+ line (9-14), a P-line (9-15) and a COM line (9-16) are arranged on a host body power connection PIN button downwards, a compatible controller safety switch (9-17) is arranged on the P+ line, the lower part of the P+ line is connected with the positive electrode of the output voltage filter circuit, the negative electrode of the output voltage filter circuit is connected with the P-line, the P-line is also connected with the communication level conversion circuit, and the COM line is also connected with the communication level conversion circuit; the communication level conversion circuit is provided with a circuit A to a voltage sampling circuit, and is also provided with a resistor circuit connected with a P-line in series, the P-line is connected with an output voltage acquisition circuit after passing through the communication level conversion circuit, the output voltage acquisition circuit is provided with a circuit B which is electrically connected with a B+ line, the upper end of the connection part of the circuit B is provided with a voltage conversion unit which comprises a 12V voltage conversion unit and a 5V voltage conversion unit, the voltage conversion unit is connected with the 5V voltage conversion unit in series, the lower end of the connection part of the circuit B is provided with the voltage sampling circuit, the power supply awakening circuit is connected with a B+ line and a B-line, the B+ line and the B-line are connected with the anode and the cathode of a mobile battery pack at the tail end, the mobile battery pack is also provided with a COM line, the COM line is connected with a communication processing and control unit, the communication processing and control unit comprises an LED indicator lamp driving module and a PWM voltage control unit, the PWM voltage control unit is connected with the output voltage regulation circuit, the output voltage conversion circuit and the communication level conversion circuit, and the serial connection PIN button is also provided with a battery anti-reflection chip (9-18);

The LED indicator lamp driving module is arranged on a PIN button of the mobile battery pack or the mobile battery pack and comprises a lamp driving unit (9-19), a control unit (9-20), a single battery sampling unit (9-21) and an LED lamp group (9-22), wherein the lower end of the LED lamp group is electrically connected with the lamp driving unit, the lamp driving unit and the single battery sampling unit are in control connection by a control line arranged on the control unit, the single battery sampling unit is provided with a sampling line (9-23) which is electrically connected with a host body power connection PIN button, and the mobile battery pack is arranged outside the host body power connection PIN button;

an output filter elimination capacitor (9-24) is further arranged between the LED lamp group and the lamp driving unit, and the output filter elimination capacitor is electrically connected with the lamp driving unit, the single-battery sampling unit and the input filter elimination capacitor (9-25);

The saw motor or the driving motor of the chain saw functional head or the bush saw main machine is provided with a starting connector (10-1) outside a shell, an inner starter (10-2) is arranged in the starting connector, the chain saw functional head or the bush saw main machine comprises a shell (10-3), a power switching end component (10-4) and a power output end component (10-5), a device pipe groove (10-6) is arranged in the shell, holes are formed in two sides of the device pipe groove, a power switching end hole (10-7) and a power output end hole (10-8) are respectively arranged, and the power switching end component and the power output end component are arranged in the device pipe groove in a plugging manner;

3. The method of using a voltage compatible controller for a multi-head, multi-purpose, multi-combination portable gardening tool as claimed in claim 1, wherein: the grass mowing rope set at least comprises a green rope body (4-36), a yellow rope body (4-37) and a red rope body (4-38), which are integrally injection molded, wherein the sequencing mode is green, the yellow is the middle end, and the red is the tail end; or the arrangement of the green rope body, the yellow rope body and the red rope body of the rope bundle group is that the last layer is the red rope body, the penultimate layer is the yellow rope body, the other layers are the green rope bodies, or the arrangement of the green rope body, the yellow rope body and the red rope body of the winding rope is that the tail end 1 meter is the red rope body, the tail end 2 meters to 3 meters is the yellow rope body, and the other layers are all the green rope bodies; or the green rope body, the yellow rope body and the red rope body of the rope bundle group are integrally arranged to form a green rope body with an angle of 12 points to 6 points, a yellow rope body with an angle of 6 points to 9 points and a red rope body with an angle of 10 points to 12 points in a overlooking manner; and the surface layer of the grass mowing rope set is coated with a fluorescent layer or fluorescent powder.

4. The method of using a voltage compatible controller for a multi-head, multi-purpose, multi-combination portable gardening tool as claimed in claim 1, wherein: the top buckle (4-25) and the bottom buckle (4-28) are annular bodies, tray threads are arranged in the annular bodies, the thickness of the tray column (4-27) matched with the thickness of the straw rope bundle is provided with threads (4-39) arranged at the upper position and the lower position of the spacer (4-26), and the top buckle (4-25) and the bottom buckle (4-28) are in threaded connection with the tray column.

5. The method of using a voltage compatible controller for a multi-head, multi-purpose, multi-combination portable gardening tool as claimed in claim 1, wherein: the connecting machine head (32) comprises a connecting joint shell (11-1), a connecting wall (11-2) is arranged at the head end of the shell, an electric connecting female seat groove (11-3) is arranged on the connecting wall, an electric connecting female seat (11-4) is arranged in the electric connecting female seat groove, and a plurality of electric connecting inserting clamps (11-5) which are arranged side by side are arranged in the electric connecting female seat; the electric connection female seat is provided with a switch groove seat (11-6) on the upper side of the groove, the switch groove seat is formed by a sealing wall (11-7), an electric plug piece buckling wall (11-8), a center baffle (11-9) and a side buckling plate (11-10), the sealing wall encloses a square shape, and the sealing wall is provided with a switch pressing hole (11-11).