CN113396716B

CN113396716B - Backpack garden instrument

Info

Publication number: CN113396716B
Application number: CN202110787936.3A
Authority: CN
Inventors: 于欣新
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-12-02
Anticipated expiration: 2041-07-13
Also published as: CN113396716A

Abstract

The invention provides a backpack garden tool, which comprises: bear subassembly, battery package, control panel, hand-held type garden instrument and power cord. The backpack assembly is used for carrying the garden tool on the body of an operator, and the battery pack is arranged on the backpack assembly; the control panel is arranged on the bearing component and is electrically connected with the battery pack; a motor is arranged inside the machine body of the handheld garden tool; one end of the power line is installed on the bearing component, and the other end of the power line is installed on the handheld garden tool. This backpack garden instrument can improve among the current backpack garden instrument that the battery duration is long shorter, hand-held type garden instrument's fuselage weight is great, the not good problem of heat dissipation.

Description

Backpack garden instrument

Technical Field

The invention relates to the field of garden tools, in particular to a backpack garden tool.

Background

In gardens fruit tree pruning in-process, the motor output power that sets up in the hand-held type garden instrument is passed through more to the transmission structure through in the hand-held type garden instrument turns into the motion that opens and shuts of blade with motor power, thereby prunes, and this not only promotes work efficiency and pruning quality greatly, and operating personnel's working strength also can greatly reduced moreover, therefore powerful power and the travelling comfort of electronic garden instrument are gradually replacing large-scale manual scissors in the past. The control panel and the battery package of current garden instrument are many to concentrate the setting in garden instrument hand-held type garden instrument's casing, and the control panel often is located near the motor, because compact fuselage structure, often make the instrument in the continuous operation time, the unable heat dissipation of control panel, can get into the temperature protection state very fast, make user experience relatively poor, and because control panel and battery package are located hand-held type garden instrument casing, make hand-held type garden instrument's volume increase, fuselage weight increases, the one-hand use, after the long-time use tool of user, often can feel the wrist portion very sore and painful, especially, the hand-held type garden instrument of operation need be lifted, can increase operating personnel's the work degree of difficulty and fatigue degree greatly. It is therefore desirable to provide a backpack garden tool to ameliorate the above problems.

Disclosure of Invention

In view of the above disadvantages of the prior art, an object of the present invention is to provide a backpack garden tool, so as to solve the problems of the conventional backpack garden tool, such as short battery life, heavy weight of the handheld garden tool, and poor heat dissipation.

To achieve the above and other related objects, the present invention provides a backpack type garden tool, comprising: bear subassembly, battery package, control panel, hand-held type garden instrument and power cord. The backpack assembly is used for carrying the garden tool on the body of an operator, and the battery pack is arranged on the backpack assembly; the control panel is arranged on the bearing component and is electrically connected with the battery pack; a motor is arranged inside the machine body of the handheld garden tool; one end of the power line is installed on the bearing component, and the other end of the power line is installed on the handheld garden tool.

In one embodiment of the invention, the backpack assembly comprises a battery pack mounting seat, and the control panel, the battery pack and the connecting end of the power line and the battery pack are all mounted on the battery pack mounting seat.

In one embodiment of the invention, the battery pack mounting base is provided with a rail, one end of the rail is open, the other end of the rail is provided with an electrical terminal, and the battery pack is connected to the rail in a sliding mode and is electrically connected to the electrical terminal after the battery pack is slid in place.

In one embodiment of the invention, the backpack assembly further comprises a waist belt and a double shoulder strap, the battery pack mounting seat is detachably mounted on the waistband.

In one embodiment of the invention, the backpack assembly further comprises a strap for securing the power cord to the backpack assembly.

In an embodiment of the invention, the backpack garden tool further comprises an alarm device, which is disposed on the backpack assembly or the handheld garden tool and is electrically connected to the control board.

In an embodiment of the present invention, the alarm device includes a warning light and a buzzer.

In an embodiment of the invention, the hand-held garden tool is an electric shears, and the backpack garden tool further comprises a hand-held garden tool recording system.

In an embodiment of the present invention, the handheld garden tool recording system includes a memory electrically connected to the control board, and the control board reads the current information of the handheld garden tool and stores the use data of different handheld garden tools according to the current information.

In an embodiment of the present invention, the usage data includes any one or more of a number of cuts, a fault history, a blade sharpening or a replacement alert of the handheld garden tool.

In one embodiment of the invention, the control board judges and records the working shearing frequency of the corresponding handheld garden tool through the waveform change of the current, and reminds the blade to be replaced according to the working shearing frequency.

In an embodiment of the present invention, the control board determines whether the handheld garden tool needs to be maintained according to the change of the motor current.

In an embodiment of the invention, the waistband is provided with four connecting holes, and the battery pack mounting seat is fixed on the connecting holes through the connecting component.

In an embodiment of the present invention, the power cord is electrically connected to the handheld garden tool through the plug.

In an embodiment of the invention, the power line is a six-core wire, and the plug is a six-core plug.

In an embodiment of the invention, the power cord is detachably and electrically connected with the handheld garden tool, and a locking structure is arranged at the connecting position of the power cord and the handheld garden tool.

In one embodiment of the invention, the backpack assembly further includes an accessory bag disposed on the back of the operator.

In one embodiment of the invention, the accessory bag is a dual zipper storage bag.

In an embodiment of the present invention, the backpack assembly further comprises a handheld garden tool receiving sleeve disposed on a side surface of the backpack assembly.

In one embodiment of the invention, the handheld garden tool receiving sleeve is detachably mounted to the backpack assembly.

In an embodiment of the invention, the handheld garden tool storage sleeve comprises a storage bag, a soft connecting body and a connecting piece, wherein the soft connecting body is wrapped on a belt of the backpack assembly and is connected with the storage bag through the connecting piece.

In an embodiment of the invention, the connecting member comprises any one or more of a snap, a button and an adhesive.

In an embodiment of the invention, the backpack garden tool further comprises a bluetooth module, and the bluetooth module is mounted on the control panel.

In an embodiment of the present invention, the backpack garden tool further comprises a memory for storing device operation data, the memory being electrically connected to the control board.

In an embodiment of the invention, the backpack garden tool further comprises a first temperature sensor for detecting the temperature of the control board, and the first temperature sensor is electrically connected with the control board.

In an embodiment of the invention, the backpack garden tool further comprises a second temperature sensor for detecting the temperature of the motor in the handheld garden tool, and the second temperature sensor is electrically connected with the control board.

In conclusion, the control panel and the battery pack of the backpack type garden tool are both arranged on the backpack component outside the machine body of the handheld type garden tool, so that the structure of the machine body of the handheld type garden tool is more compact, the volume and the weight of the machine body of the handheld type garden tool are reduced, and the operation difficulty and the fatigue degree of an operator for operating the handheld type garden tool by one hand are reduced. In addition, the backpack garden tool has the advantages of good heat dissipation, low failure rate and long service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a three-dimensional schematic view of an embodiment of the backpack garden tool of the present invention;

FIG. 2 is an exploded view of an embodiment of the backpack garden tool of the present invention;

FIG. 3 is an exploded view of a battery pack mounting base according to an embodiment of the invention;

FIG. 4 is a top view of one embodiment of the backpack garden tool of the present invention;

FIG. 5 is a block diagram of a backpack assembly in an embodiment of the backpack garden tool of the present invention;

FIG. 6 is a three-dimensional schematic view of a battery pack mounting base in an embodiment of the backpack garden tool of the present invention;

FIG. 7 is a schematic view of the backpack garden tool according to an embodiment of the present invention, with the first housing removed from the battery pack mounting base;

FIG. 8 is a schematic view of the backpack garden tool according to an embodiment of the present invention, with the first housing and the control board cover removed from the battery pack mounting base;

FIG. 9 is a front view of a battery pack mounting base in an embodiment of the backpack garden tool of the present invention;

FIG. 10 isbase:Sub>A sectional view taken along line A-A of FIG. 9;

FIG. 11 is a cross-sectional view taken along line B-B of FIG. 10;

FIG. 12 is a schematic structural view of a power cord connected to a battery pack mounting base in an embodiment of the backpack garden tool of the present invention;

FIG. 13 is a schematic view of the first engaging member and the second engaging member engaged with each other in an embodiment of the backpack gardening tool of the present invention;

FIG. 14 is a diagram of a first engaging member of an embodiment of the backpack garden tool of the present invention;

FIG. 15 is a structural view of a second engaging member in an embodiment of the backpack garden tool of the present invention;

FIG. 16 is a view showing the structure of a rubber chuck in an embodiment of the backpack-type garden tool of the present invention;

fig. 17 is a cross-sectional view taken along line C-C of fig. 16.

Description of the element reference numerals

100. A backpack assembly; 110. a battery pack mounting seat; 111. a first housing; 1111. a track; 1112. a positioning column; 1113. reinforcing ribs; 112. a second housing; 114. an electrical terminal; 115. a control panel cover; 120. a waistband; 130. shoulder straps; 140. a handheld garden tool storage sleeve; 141. a storage bag; 142. a soft linker; 150. arm binding belts are bound; 151. a first arm binding connector; 152. a second arm binding connector; 153. a second buckle; 160. a first buckle; 170. an accessory bag; 200. a power line; 210. a power line double-buckle mounting structure; 211. a first clip body; 2111. a first mating interface; 2112. a second boss portion; 2113. a first boss portion; 2114. a rotation stopping plane; 212. a second clip body; 2121. a second mating surface; 2122. a groove; 2123. a rotation stopping plane; 213. a rubber chuck; 2131. a clamping groove; 21311. a first side wall; 21312. a second side wall; 21313. a linker; 213131, mating plane; 214. positioning holes; 215. splicing seams; 216. an accommodating cavity; 220. a plug; 221. locking the nut; 300. a handheld garden tool; 400. a battery pack; 500. and a control panel.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not noted in the following examples are generally performed under conventional conditions or conditions recommended by each manufacturer.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1 to 17, the present invention provides a backpack garden tool, in which a control board and a battery pack are both mounted on a backpack assembly outside a body of a handheld garden tool, which not only reduces the body volume and weight of the handheld garden tool, reduces the operation difficulty and fatigue of an operator for operating the handheld garden tool with one hand, but also has good heat dissipation and low failure rate, and can effectively solve the problems of short battery duration, heavy body weight and poor heat dissipation of the handheld garden tool in the existing backpack garden tool.

Referring to fig. 1 to 3, the backpack type garden tool includes: backpack assembly 100, battery pack 400, control panel 500, handheld garden tool 300, and power cord 200. The structure of the backpack assembly 100 is not limited, and may be any suitable structure capable of carrying the garden tool on the body of the operator, such as a belt, a strap, or a combination of the belt and the strap, the battery pack 400 is disposed on the backpack assembly 100, and the battery pack 400 may be mounted on the backpack assembly 100 in various ways, such as being carried on the back or suspended at both sides of the waist of the operator. The control board 500 is arranged on the backpack assembly 100 and is electrically connected with the battery pack 400; the interior of the body of the handheld garden tool 300 is provided with a motor and a trimming driving structure; one end of the power cord 200 is mounted on the backpack assembly 100 and electrically connected to the battery pack 400 and the control board 500, and the other end of the power cord 200 is mounted to the housing of the hand-held garden tool 300 and electrically connected to the motor.

Referring to fig. 5, in an embodiment of the present invention, the backpack assembly 100 includes a waist belt 120 and two shoulder straps 130, the waist belt 120 is fixed around the waist of the operator, the two shoulder straps 130 include a first strap located at one shoulder and a second strap located at the other shoulder, one end of the first strap is connected to the waist belt 120 at the front side of the left shoulder of the operator, the other end of the first strap is connected to the waist belt 120 at the rear side of the left shoulder of the operator, one end of the second strap is connected to the waist belt 120 at the front side of the right shoulder of the operator, and the other end of the first strap is connected to the waist belt 120 at the rear side of the right shoulder of the operator. The first buckle 160 is arranged on the waistband 120 between the first and second straps on the front side of the operator, and the waistband 120 can be opened through the first buckle 160, so that a backpack structure convenient for putting on and taking off is formed.

Referring to fig. 5, in an embodiment of the present invention, the backpack assembly 100 further includes an arm strap 150, the arm strap 150 includes a first arm strap connector 151 and a second arm strap connector 152, and the first arm strap connector 151 and the second arm strap connector 152 are respectively disposed on the first strap and the second strap of the backpack 130 and can be connected by a second buckle 153. After the user wears the backpack assembly 100, the power cord 200 can be fixed at the arm position through the arm-binding band 150, so that the power cord 200 is prevented from scraping branches in the using process.

Referring to fig. 1, fig. 3 and fig. 6, in an embodiment of the present invention, the backpack assembly 100 further includes a battery pack mounting base 110, and the control board 500, the battery pack 400 and the connection end of the power line 200 and the battery pack 400 are mounted on the battery pack mounting base 110. The battery pack mounting seat 110 is provided with a rail 1111, one end of the rail 1111 is open, the other end of the rail 1111 is provided with an electrical connection terminal 114, the battery pack 400 is provided with a sliding structure and a locking structure, the sliding structure is matched with the rail 1111, is connected to the rail 1111 in a sliding mode and is electrically connected to the electrical connection terminal 114 after being slid in place, and the locking structure locks the battery pack 400 in the rail 1111.

Referring to fig. 3 and 4, the structure of the battery pack mounting base 110 and the mounting form on the backpack assembly 100 are not limited in the present invention, in an embodiment of the present invention, the battery pack mounting base 110 is detachably mounted on the belt 120 and is located at the left hand position of the operator, four connection holes are provided on the belt 120, and the battery pack mounting base 110 is fixed on the connection holes through a connection assembly. With battery package mount pad 110 setting in left hand position, can avoid operating personnel to touch with elbow joint when operating hand-held type garden tool 300, increase the stability of equipment, also can prevent that operating personnel's elbow is injured.

Referring to fig. 4, in an embodiment of the present invention, the backpack assembly 100 further includes an accessory bag 170 disposed on the back of the operator, wherein the accessory bag 170 is a double-zipper storage bag capable of receiving small tool accessories used for trimming, a spare battery pack, a charger, and sundries in the specification. In addition to the problem of placing scissors when the operator uses both hands to trim branches, in one embodiment of the present invention, the backpack assembly 100 further includes a hand-held garden tool receiving sleeve 140 disposed on the side of the backpack assembly 100. The handheld garden tool storage sleeve 140 is removably mounted to the waist belt 120 on the operator's right side. When operating personnel arrange in order the branch or walk the rest, can put into the scissors cover after hand-held type garden instrument 300 in the hand shuts down, not only can effectively guarantee operating personnel's self safety, hand-held type garden instrument accomodates cover 140 can fine protection hand-held type garden instrument 300's pruning knife tip moreover.

Referring to fig. 5, the installation form of the handheld garden tool storage case 140 on the belt 120 is not limited, and may be any suitable structure form, in an embodiment of the present invention, the handheld garden tool storage case 140 includes a storage bag 141, a soft connector 142 and a connector (not shown), and the soft connector 142 is wrapped on the belt 120 of the backpack assembly 100 and connected to the storage bag 141 through the connector. The connecting member may be any suitable form capable of fixedly connecting the flexible connecting member 142 and the receiving bag 141, such as any one or more of snap, button, and adhesive.

Referring to fig. 2, the connection mode between the power cord 200 and the handheld garden tool 300 according to the present invention may be a fixed connection or a detachable connection, and in view of maintenance cost and portability, in an embodiment of the present invention, the power cord 200 is detachably and electrically connected to the handheld garden tool 300, and a locking structure is disposed at a connection position between the power cord 200 and the handheld garden tool 300. In an embodiment of the present invention, the power line 200 is a six-core line, the outer surface of the power line 200 is orange, and is provided with a fluorescent structure, the fluorescent structure may be a coating or a pattern coated on the outer surface of the power line, or fluorescent particles mixed in the insulating outer layer of the power line, and the power line with the fluorescent structure can greatly reduce the probability of mistaken shearing or hooking to the power line when a user works at night or in a dark environment. The plug 220 is a six-core plug 220, the plug inserted with the six-core plug 220 has a large end and a small end, and can be used for assembly fool-proofing, the three-core wire in the six-core wire can transmit three-phase wire signals of the brushless motor in the scissors body, and the three-core wire transmits signals of a Hall plate controlling the opening and closing of the trimming blade in the body of the handheld garden tool 300. The six-core wire has high resistance and can not crack after being bent for tens of thousands of times. The locking structure of the present invention may be any suitable structure capable of preventing the power cord 200 from being disconnected from the plug 220 of the handheld garden tool 300, in one example of the present invention, the housing of the handheld garden tool 300 is provided with external threads, a locking nut 221 is rotatably mounted on the outside of the plug 220 of the power cord 200, and the locking nut 221 is screwed to the external threads after the power cord 200 is plugged into the handheld garden tool 300. The locking structure can ensure that the power line 200 is not loosened to cause abnormal conditions in the operation process of a user.

In an embodiment of the present invention, the backpack garden tool further includes a bluetooth module (not shown), which is mounted on the control board 500 and can be bluetooth connected to a user interface such as a mobile phone and a computer. For example, in an embodiment of the present invention, the mobile phone is installed with my handheld garden tool APP, and relevant data such as the cutting times, the fault history, the blade polishing or replacement reminder, and the maintenance reminder of the complete machine of the handheld garden tool can be read through the APP.

In an embodiment of the present invention, the backpack garden tool further includes a memory (not shown) for storing device operation data, the memory being electrically connected to the control board 500. The control board 500 reads the current value of the motor, records the current change when the scissors cut through the memory, and judges and records the working cutting times of the scissors according to the number of the waveforms of the current change. After the blades of the handheld garden tool 300 are replaced, when the accumulated number of the working shears exceeds a set value, the control board sends out a blade polishing or replacement prompt. In an embodiment of the present invention, the control board determines whether the handheld garden tool 300 needs maintenance according to the magnitude change of the motor current or the working shearing frequency, in an embodiment of the present invention, when the handheld garden tool 300 needs lubrication or the blades are worn, the motor current increases, and when the motor current is within a normal current range and exceeds a set maintenance current value, the control board sends a maintenance prompt. In another embodiment of the present invention, when the cumulative number of the working shears exceeds the set value, the control board sends out a maintenance prompt.

In an embodiment of the present invention, the backpack garden tool further includes a first temperature sensor (not shown) for detecting the temperature of the control board 500 and a second temperature sensor (not shown) for detecting the temperature of the motor in the hand-held garden tool 300, and the first temperature sensor and the second temperature sensor are electrically connected to the control board 500, respectively. When the temperature detected by the first temperature sensor and/or the second temperature sensor is abnormal, the control board 500 sends out an alarm signal.

In an embodiment of the present invention, the backpack-type garden tool further includes an alarm device (not shown) electrically connected to the control board 500. In one embodiment of the invention, the alarm device comprises a buzzer and at least one warning lamp. When equipment is abnormal, for example, when the first temperature sensor or the second temperature sensor or the motor current is abnormal, the control panel controls the buzzer to remind, and simultaneously controls different warning lamp sets to light, so that an operator can judge the fault type, and corresponding overhaul is carried out.

Referring to fig. 2 and 3, the connection mode between the power cord 200 and the battery pack mounting seat 110 in the backpack garden tool of the present invention may be a fixed connection, or a detachable connection through a plug 220, and in an embodiment of the present invention, the power cord 200 is mounted on the battery pack mounting seat 110 through a power cord double-fastening mounting structure 210. Referring to fig. 9 to 13, the power line dual-buckle mounting structure 210 includes: a power line 200, a first card body 211 and a second card body 212. One end of the power line 200 at the connection part is provided with a rubber chuck 213, and the rubber chuck 213 is provided with a clamping groove 2131; the first clamping body 211 is provided with a first clamping structure which can be clamped in from one side of the clamping groove 2131; the second clamping body 212 is provided with a second clamping structure which can be clamped from the other side of the clamping groove 2131; the first clip body 211 and the second clip body 212 are assembled and clipped in the clip groove 2131, and detachably fixed on the battery pack mounting base 110.

The first and second clipping structures are not limited in structure, as long as the first and second clipping structures can be respectively clipped into the clipping groove 2131 from two sides of the clipping groove 2131, and the rubber clip is positioned and clamped to be fixed along the extending direction of the power cord 200, please refer to fig. 14 to 17, in an embodiment of the present invention, the clipping groove 2131 includes a first side wall 21311, a second side wall 21312, and a connector 21313 connecting the first side wall 21311 and the second side wall 21312, and the connector 21313 is provided with a circumferential rotation stopping structure matched with the first and/or second clipping structures. The circumferential rotation stopping structure can prevent potential safety hazards caused by the twisting force of the power line 200.

Referring to fig. 13 to 17, the circumferential rotation stopping structure of the present invention may be any structure capable of preventing the rubber chuck from rotating between the first clamping body 211 and the second clamping body 212, for example, a corresponding protrusion and a corresponding groove are respectively disposed on the connecting body 21313 and the corresponding clamping body, and in an embodiment of the present invention, the circumferential rotation stopping structure includes at least one matching plane disposed on the connecting body 21313 and matched with the first clamping body 211 and/or the second clamping body 212. In an embodiment of the present invention, the cross section of the connector 21313 is square, four mating planes 213131 are disposed on the outer wall of the connector, the first clamping structure is provided with a rotation stopping plane 2114, and the second clamping structure is provided with a rotation stopping plane 2123; after the first clip body 211 and the second clip body 212 are combined, an accommodating cavity 216 matched with the connecting body 21313 is formed between the first clip body 211 and the second clip body 212, and the rotation-stopping plane 2114 and the rotation-stopping plane 2123 are respectively arranged on the side wall of the accommodating cavity 216 and correspondingly matched with the four matching planes 213131.

Referring to fig. 14 to 17, in order to reduce the assembly difficulty, the first clip body 211 and the second clip body 212 are inserted into the clip groove 2131 to form an integral body, in an embodiment of the present invention, an insertion structure is disposed on the abutting surface of the first clip body 211 and the second clip body 212. The plug-in structure not only makes the cooperation of circumference rotation stopping structure more stable, but also makes first joint body 211 and the second joint body 212 form an overall structure of embracing outside joint groove 2131, greatly increased the installation stability of first joint body 211, the second joint body 212 on battery package mount pad 110.

Referring to fig. 14 to 17, the inserting structure of the present invention may be any suitable structure capable of inserting the first clip body 211 and the second clip body 212, in an embodiment of the present invention, the inserting structure includes a protrusion and a groove 2122 matching with the protrusion, and the protrusion and the groove 2122 are respectively disposed on the mating surfaces at two sides of the splicing seam 215, for example, in an embodiment of the present invention, the protrusion is disposed on the first mating surface 2111 corresponding to the first clip body 211. The grooves 2122 are correspondingly disposed on the corresponding second mating surface 2121 of the second clamping body 212.

Referring to fig. 15, the protrusion and the groove 2122 of the present invention are not limited as long as they can be matched with each other, but preferably, in an embodiment of the present invention, the protrusion includes a first protrusion 2113 and a second protrusion 2112 connected in a crossing manner, extending directions of the first protrusion 2113 and the second protrusion 2112 are crossed, the first protrusion 2113 extends in a direction perpendicular to the power line 200, and the second protrusion 2112 extends in a direction parallel to the power line 200. This kind of setting mode can realize the grafting location of first joint body 211 and second joint body 212 along two directions, has increased the stability of first joint body 211 with the grafting of second joint body 212.

Referring to fig. 6 to 8, the structure of the battery pack mounting base 110 of the present invention is not limited, in an embodiment of the present invention, the housing of the battery pack mounting base 110 includes a first housing 111 and a second housing 112, the first housing 111 and the second housing 112 are detachably connected and form a mounting cavity, the control board 500 is mounted in the mounting cavity, the control board cover 115 is disposed outside the control board 500, and the first engaging body 211 and the second engaging body 212 are also detachably mounted in the mounting cavity and clamp and fix the rubber clamp 213 in the mounting cavity. The power supply line 200 is electrically connected to the control board 500 disposed in the mounting cavity and the corresponding terminals of the battery pack 400, respectively.

Referring to fig. 10 to 13, in the present invention, the first engaging body 211 and the second engaging body 212 can be mounted on the battery pack mounting base 110 by means of bolt connection, snap connection, etc. in an embodiment of the present invention, the first housing 111 is provided with a positioning post 1112, the first engaging body 211 and the second engaging body 212 are provided with a positioning hole 214 matching with the positioning post 1112, the first engaging body 211 and the second engaging body 212 are sleeved on the positioning post 1112 through the positioning hole 214, and the second housing 112 presses the first engaging body 211 and the second engaging body 212 on the first housing 111. The root of reference column 1112 is provided with strengthening rib 1113, is provided with the backstop face on the strengthening rib 1113, is provided with the recess of dodging strengthening rib 1113 on first joint body 211 and the second joint body 212, and the tank bottom of recess supports and leans on the backstop face to make the installation of first joint body 211 and the second joint body 212 more stable.

In conclusion, the control panel and the battery pack of the backpack type garden tool are both arranged on the backpack component outside the machine body of the handheld type garden tool, so that the structure of the machine body of the handheld type garden tool is more compact, the volume and the weight of the machine body of the handheld type garden tool are reduced, and the operation difficulty and the fatigue degree of an operator for operating the handheld type garden tool by one hand are reduced. In addition, the backpack garden tool has the advantages of good heat dissipation, low failure rate and long service life. Therefore, the invention effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A backpack garden tool, comprising:

a backpack assembly;

the battery pack is arranged on the bearing component;

the control panel is arranged on the bearing component and is electrically connected with the battery pack;

the handheld garden tool is characterized in that a motor is arranged inside a machine body of the handheld garden tool;

a power cord, one end of which is installed on the bearing component, and the other end of which is installed on the garden tool;

the hand-held garden tool is an electric scissors, and the backpack garden tool further comprises a hand-held garden tool recording system;

the handheld garden tool recording system comprises a memory which is electrically connected to the control board, the control board reads the current information of the handheld garden tool and stores the use data of different handheld garden tools according to the current information;

the usage data comprises any one or more of cutting times of the handheld garden tool, fault history records, blade polishing or replacement reminding;

the control panel judges and records the working shearing frequency of the corresponding handheld garden tool through the waveform change of the motor current, and reminds the blade to be replaced according to the working shearing frequency;

the control panel judges whether the handheld garden tool needs to be maintained or not according to the change of the motor current;

the backpack assembly comprises a battery pack mounting seat, the power line is mounted on the battery pack mounting seat through a first clamping body and a second clamping body, and a clamping groove is formed in the power line; the first clamping body is provided with a first clamping structure which can be clamped from one side of the clamping groove; the second clamping body is provided with a second clamping structure which can be clamped from the other side of the clamping groove; the first clamping body and the second clamping body are combined and clamped in the clamping groove and are detachably fixed on the shell of the battery pack mounting seat; the butt joint surface of the first clamping body and the second clamping body is provided with an inserting structure; the inserting structure comprises a protrusion and a groove matched with the protrusion; the protrusion comprises a first protrusion part and a second protrusion part which are connected in a crossed manner, and the extending directions of the first protrusion part and the second protrusion part are crossed; the outer surface of the power line is provided with a fluorescent structure.

2. The backpack garden tool of claim 1, wherein the control board and the battery pack are mounted on the battery pack mount.

3. The backpack garden tool of claim 2, wherein the battery pack mount is provided with a rail, one end of which is open, and the other end of which is provided with an electrical terminal, the battery pack being slidably connected to the rail and electrically connected to the electrical terminal after being slid into place.

4. The backpack garden tool of claim 2, wherein the backpack assembly further comprises a waist belt and a backpack strap, the battery pack mount being removably mounted to the waist belt.

5. The backpack garden tool of claim 4, wherein the backpack assembly further comprises a strap for securing the power cord to the backpack assembly.

6. The backpack garden tool of claim 1, further comprising an alarm device provided on the back sub-assembly or the hand-held garden tool and electrically connected to the control board.

7. The backpack garden tool of claim 6, wherein the alarm device comprises a warning light and a buzzer.

8. The backpack garden tool of claim 1, wherein the backpack assembly further comprises a hand-held garden tool receiving sleeve disposed on a side of the backpack assembly, the hand-held garden tool receiving sleeve being detachably mounted to the backpack assembly.

9. The backpack garden tool of claim 1, further comprising a first temperature sensor for detecting a temperature of a control board, the first temperature sensor being electrically connected to the control board.

10. The backpack garden tool of claim 1, further comprising a second temperature sensor for detecting a temperature of a motor in the hand-held garden tool, the second temperature sensor being electrically connected to the control board.