CN211682566U - Chain saw - Google Patents
Chain saw Download PDFInfo
- Publication number
- CN211682566U CN211682566U CN201922218811.XU CN201922218811U CN211682566U CN 211682566 U CN211682566 U CN 211682566U CN 201922218811 U CN201922218811 U CN 201922218811U CN 211682566 U CN211682566 U CN 211682566U
- Authority
- CN
- China
- Prior art keywords
- motor
- chain saw
- guide plate
- main
- user
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
- A01G3/086—Chain saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/0008—Means for carrying the chain saw, e.g. handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/003—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for chain saws
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Sawing (AREA)
Abstract
The utility model discloses a chain saw, include: the main machine comprises a chain, a guide plate for supporting the chain and a motor for driving the guide plate to move; the battery pack is used for providing an energy source for the motor; the main machine and the battery pack are arranged separately, and the chain saw further comprises a connecting assembly for connecting the main machine and the battery pack. The utility model provides a chain saw with compact structure, stable operation and labor saving.
Description
Technical Field
The utility model relates to a garden instrument, concretely relates to chain saw.
Background
A chain saw is used as a portable cutting tool in various scenes such as cutting of wood, carving of statues, and the like. The cutting device is widely popular due to the high cutting efficiency and strong cutting capability. The chain saw is divided into an electric chain saw and an engine according to a driving mode, wherein the electric chain saw adopts a motor as power setting and electric energy as a power source, and the chain saw of the engine adopts a fuel engine as power equipment and uses the fuel engine as a power source.
For a chain saw using a fuel engine as a power device, the engine is heavy and inconvenient to carry. In a chain saw using a motor as a power device, in order to prolong the working time, the capacity of a battery needs to be increased, the weight of the battery is increased, the weight of the whole chain saw is increased, and particularly, the chain saw works at high altitude.
SUMMERY OF THE UTILITY MODEL
For solving the deficiencies of the prior art, the utility model aims to provide a chain saw with compact structure, more stable operation and labor saving.
In order to achieve the above object, the utility model adopts the following technical scheme: a chain saw, comprising: the main machine comprises a chain, a guide plate for supporting the chain and a motor for driving the guide plate to move; the battery pack is used for providing an energy source for the motor; the main machine and the battery pack are arranged separately, and the chain saw further comprises a connecting assembly for connecting the main machine and the battery pack.
Optionally, the connection assembly comprises: and the power line comprises a first end connected with the battery pack and a second end connected with the host.
Optionally, the chainsaw further comprises: a mounting seat, which is provided with a combination part for mounting the battery pack; the host computer includes: the guide plate extends forwards out of the machine shell; the casing includes: the power supply plug-in interface is internally provided with an access terminal; a front end face formed with a front port through which the guide plate extends; a rear end face opposite the front end face; wherein, the power plug-in interface sets up between preceding terminal surface and rear end face, and the second end of power cord constitutes to dismantle with the power plug-in interface and is connected, and the mount pad is formed with the coupling mechanism that can be connected to user's waistband.
Optionally, the motor comprises a motor shaft rotatable about a first axis; the guide plate extends in a first plane, and the first axis is perpendicular to the first plane.
Optionally, the host further comprises: an oil can; the circuit board is electrically connected with the motor; the guide plate extends forwards out of the machine shell; in the front-rear direction, the motor is disposed between the oil can and the circuit board.
Optionally, the connection mechanism comprises: a first connector connectable to a user's belt in a first connection and a second connector connectable to the user's belt in a second connection.
Optionally, the first connecting member is a metal member, and the second connecting member is a flexible member.
Optionally, the housing comprises a main handle comprising a main grip portion for gripping by a user, the main handle comprising: a front end portion and a rear end portion, the main grip portion being disposed between the front end portion and the rear end portion; the power insertion interface is disposed between the front end portion and the rear end portion in the front-rear direction.
Optionally, the motor comprises a motor shaft rotatable about a first axis; the guide plate extends in a first plane, and the first axis is perpendicular to the first plane; the power supply insertion interface is arranged at one end of the motor along the first axial direction.
Optionally, the housing comprises a main handle comprising a grip portion at least partially symmetrical about a median plane, the guide plate extending in a first plane, the distance between the median plane and the first plane being greater than or equal to 35mm and less than or equal to 55 mm.
The utility model discloses an useful part lies in: the chain saw with the battery pack and the main machine separated is provided, the main machine and the battery pack are connected through the power line, the weight of the main machine is greatly reduced, the size of the main machine is reduced, and the chain saw is convenient for a user to operate.
Drawings
FIG. 1 is a schematic perspective view of a chain saw according to the present embodiment;
FIG. 2 is a schematic perspective view of the chain saw of FIG. 1 in another orientation;
FIG. 3 is a schematic perspective view of the energy device and the host in FIG. 1;
FIG. 4 is a schematic perspective view of a main frame of the chain saw of FIG. 1;
FIG. 5 is a schematic perspective view of the host computer of FIG. 4 from another perspective;
FIG. 6 is a schematic plan view of the host computer of FIG. 4;
FIG. 7 is an exploded view of the host computer of FIG. 4;
FIG. 8 is a perspective view of a portion of the brake assembly of the host computer of FIG. 4;
FIG. 9 is a perspective view of a portion of the brake assembly of the host computer of FIG. 4;
FIG. 10 is an exploded view of the main handle of the main unit of FIG. 4;
FIG. 11 is an enlarged partial view of FIG. 10;
FIG. 12 is an exploded view of the main handle of the main unit of FIG. 4;
FIG. 13 is a perspective view of a mounting base of the chain saw of FIG. 1;
FIG. 14 is a schematic view of a portion of the structure of the mount of FIG. 13;
FIG. 15 is a schematic view of a portion of the mount of FIG. 13;
FIG. 16 is a schematic diagram of a portion of the structure of the host computer of FIG. 4;
FIG. 17 is a schematic cross-sectional view taken along A-A of FIG. 16;
FIG. 18 is a plan view of a portion of the internal structure of the host computer of FIG. 4;
FIG. 19 is an exploded view of a portion of the structure of the host computer of FIG. 4;
FIG. 20 is a plan view of a portion of the structure of the host computer of FIG. 4;
FIG. 21 is a schematic perspective view of the alarm device of the host of FIG. 4;
FIG. 22 is a schematic perspective view of a detection assembly in the alarm device of FIG. 21;
FIG. 23 is a plan view of the internal structure of the detector assembly of the alarm device of FIG. 21;
FIG. 24 is a cross-sectional view of the power cord and safety cord of FIG. 1;
figure 25 is a plan view of the brake band and stop of figure 8.
Detailed Description
The present application will now be described more fully hereinafter with reference to the accompanying drawings, in which specific embodiments of the invention are shown.
As shown in fig. 1, the garden tool includes a functional element for performing its function, in this embodiment, the chain saw 100, and the functional element is a chain 231.
For clarity of explanation of the technical solution of the present application, upper, lower, front, rear, left and right directions as shown in fig. 1 to 3 are defined.
Referring to fig. 1, a chainsaw 100 includes an energy source device 10, a connecting assembly, which is a power cord 30, and a main body 20; the energy source device 10 is used for providing energy for the host 20, and the energy source device 10 is specifically a battery pack 11; in order to reduce the weight of the host 20 and facilitate the operation of a user, the host 20 and the battery pack 11 are separately arranged, that is, the host 20 is electrically connected with the battery pack 11 through a power line 30, the power line 30 is respectively electrically connected with the host 20 and the battery pack 11 in a pluggable manner, the specific power line 30 comprises a first end 31 and a second end 32, the first end 31 is connected with the battery pack 11, the second end 32 is connected with the host 20, that is, the battery pack 11 supplies energy to the host 20 through the power line 30, so that the electrical connection between the host 20 and the battery pack 11 is realized; the main machine 20 comprises a switch assembly 21, a chain 231, a guide plate 233, a prime mover and a housing 24, wherein the prime mover is a motor 22, and the chain 231 is used for realizing the cutting function of the chain saw 100; the guide plate 233 serves to support and guide the movement of the chain 231; the motor 22 is used for driving the guide plate 233 to move; the housing 24 is formed with an accommodating cavity 241, the motor 22 is at least partially disposed in the accommodating cavity 241, and the guide plate 233 is partially disposed in the housing 24, i.e. the guide plate 233 can extend forward out of the housing 24; a switch assembly 21 is disposed at least partially within the housing 24, the switch assembly 21 being used to activate the motor 22.
Referring to fig. 2 to 7, the main body 20 further includes a sprocket 232, the sprocket 232 is connected to the chain 231 for driving the chain 231 to move; the fan 221 is disposed in the accommodating chamber 241, and the fan 221 is connected to the motor 22; circuit board 26 is fixedly disposed within housing 24 adjacent to motor 22; the heat dissipation substrate 25 is connected with the circuit board 26, and the heat dissipation substrate 25 is used for dissipating heat of the circuit board 26; the oilcan 27 is used for lubricating the guide plate 233 and the chain 231, and the oilcan 27 is at least partially disposed in the accommodating cavity 241.
Referring to fig. 1 to 7, the housing 24 includes a main body 242, a main handle 243 and a power plug-in interface 244; the main handle 243 is used for being held by a user, the main body 242 forms a receiving space for receiving the motor 22, and the power plug-in interface 244 is used for being electrically connected with the power cord 30. To make the electrical connection, as an alternative embodiment, the second end 32 of the power cord 30 forms a pluggable connection with the power insertion interface 244. For the convenience of the user operation and the balance of the main body 20, the main handle 243 is disposed on the upper side of the housing 24, the power plug-in interface 244 is disposed on the left side of the main handle 243, the guide plate 233 is disposed on the right side of the main handle 243, and the motor 22 is disposed below the main handle 243, which can also be understood as the main handle 243 disposed on the upper side of the main body 242. With this arrangement, the center of gravity of the main unit 20 is located below the main handle 243 of the motor 22, and when the user operates the main unit 20 while holding the main handle 243, the operation of the main unit 20 is smooth.
The power plug-in interface 244 is formed with a connection port 2441 opened backward, the second end 32 of the power cord 30 is plugged into the power plug-in interface 244 from the connection port 2441, specifically, an access terminal is arranged inside the connection port 2441, the second end 32 of the power cord 30 has an output terminal 321, and the battery pack 11 can provide power to the motor 22 through the output terminal 321 of the power cord 30 and the access terminal inside the connection port 2441.
Since the user may operate the chain saw 100 at a high altitude, it is necessary to reduce the size of the main body 20 in the front-rear direction for the convenience of the user's operation and carrying, and to avoid the situation where the power plug-in interface 244 is engaged with the power cord 30 and the power cord 30 is touched by the user by mistake, so that the contact failure is avoided, and therefore, the power plug-in interface 244 should be avoided being disposed at the end of the main body 20, and in the present embodiment, the housing 24 includes a front end surface 245 and a rear end surface 246. Motor 22 is disposed between a front end 245 and a rear end 246, front end 245 is located at the front side of housing 24, front end 245 forms a front port through which guide plate 233 extends, and rear end 246 is disposed at the rear side of front end 245, opposite to front end 245. Specifically at least the front end face
In order to ensure the balance of the whole device and improve the user experience, the connection point of the power plug-in interface 244 and the power cord 30 should be as close as possible to the center of gravity of the host 20, that is, the power plug-in interface 244 is disposed between the front end 245 and the rear end 246, specifically, the guide plate 233 extends in a first plane P1, the rear end 246 extends at least partially in a second plane P2, the first plane P1 is substantially perpendicular to the second plane P2, the distance from the power plug-in interface 244 to the second plane P2 is L1, and the distance of L1 is greater than or equal to 80mm and less than or equal to 100 mm.
To further reduce the size of the main body 20, facilitate user operation, and improve the balance of the main body 20, the main handle 243 includes a front end portion 2431, a rear end portion 2432, and a main grip portion 2433; in the fore-aft direction, the motor 22 is disposed between a front end 2431 and a rear end 2432, wherein the main handle 243 is coupled to the main body 242, the front end 2431 is fixedly coupled to or integrally formed with the main body 242, and the rear end 2432 is also fixedly coupled to or integrally formed with the main body 242, and the power plug-in interface 244 is disposed between the front end 2431 and the rear end 2432 so that the power plug-in interface 244 is adjacent to the center of gravity of the host 20. The main grip 2433 is a main grip area of the user, that is, the main grip 2433 is disposed between the front end 2431 and the rear end 2432, which can be understood as an area where the power plug-in interface 244 is located near the main grip 2433, and by the above arrangement, the power plug-in interface 244 of the power cord 30 can be prevented from interfering with the user operation.
Referring to fig. 7, the motor 22 includes a motor 22 shaft, the motor 22 shaft can rotate around the first axis 101, the motor 22 shaft drives the chain wheel 232 to drive the chain 231 to move along the guide plate 233, the fan 221 is mounted to the motor 22 shaft, and the motor 22 shaft drives the fan 221 to rotate. The first axis 101 of the shaft of the motor 22 is perpendicular to the first plane P1, the guide plate 233 extends forward out of the casing 24, that is, the motor 22 is disposed along the left-right direction, the center of gravity of the main unit 20 is substantially located at the motor 22, and for the position of the power plug-in interface 244 close to the center of gravity of the main unit 20, the smoothness of the movement of the main unit 20 is ensured, that is, the power plug-in interface 244 may be disposed at one end of the motor 22 along the first axis 101. In order to facilitate the heat dissipation of the fan 221 at the power plug-in interface 244, that is, the power plug-in interface 244 is disposed adjacent to the fan 221, specifically, the power plug-in interface 244 may be disposed at one end where the fan 221 is installed.
Referring to fig. 1, 13 to 15, the chainsaw 100 further includes a mounting base 40 for engaging with the engaging portion 40a of the battery pack 11, and the mounting base 40 is connected with a connecting mechanism 40b capable of connecting the mounting base 40 to a user's belt. The attachment mechanism 40b includes a first attachment member, which may be a hook 41, that is attachable to the user's belt in a first attachment manner and a second attachment member, which may be a securing strap 42, that is attachable to the user's belt in a second attachment manner. I.e. the mounting base 40 is inserted into the user's belt through the hook 41, so as to achieve the primary positioning of the mounting base 40, in this embodiment, the hook 41 is a metal member, and the fixing band 42 is a flexible member. In order to better fix the mounting base 40, the mounting base 40 further comprises an adjustable fixing band 42 and a fixing toggle 43 capable of rotating around the rotation axis 102, the fixing band 42 bypasses the waistband of the user and tensions the fixing band 42, and after the mounting base 40 is mounted on the waistband at a preset position, the fixing toggle 43 is rotated to lock the fixing band 42, so that the mounting base 40 is more stably mounted, and the situation that the mounting base 40 is separated from the waistband due to shaking caused by stress of the mounting base 40 is avoided. It should be noted that the preset position in this embodiment refers to a position where the user pulls the fixing strap 42 to fix the mount 40 to the user's belt, and the position may be any position selected by the user according to actual conditions, and is not a specific position. The number of the fixing bands 42 is not limited.
The mounting seat 40 comprises a locking assembly 44 and an ejecting assembly 45, wherein the locking assembly 44 is used for locking and releasing the battery pack 11, and the ejecting assembly 45 is used for ejecting the battery pack 11 when the locking assembly 44 releases the battery pack 11, protecting the pole piece, preventing the user from contacting the pole piece, and simultaneously facilitating the user to replace the battery pack 11. Specifically, the pop-up assembly 45 is movably connected with the upper cover plate 46 of the mounting base 40, the pop-up assembly 45 comprises an ejecting member 451 and an elastic member 452, the locking assembly 44 is movably connected with the lower cover plate 47 of the mounting base 40, and the locking assembly 44 comprises a toggle button 441 and a lock catch 442. Specifically, one end of the elastic element 452 is connected with the ejecting element 451, the other end of the elastic element 452 is connected with the upper cover of the mounting seat 40, when the battery pack 11 is inserted into the mounting seat 40, the ejecting element 451 is pressed by the battery pack 11 to move in a direction away from the pole piece, the contact piece is exposed to be connected with the battery pack 11, meanwhile, the lock catch 442 locks the battery pack 11, when the user pulls the toggle button 441 to release the battery pack 11, the toggle button 441 drives the lock catch 442 to realize unlocking, and the ejecting element 451 moves in a direction close to the pole piece under the action of the elastic element 452, so as to eject the battery pack 11. Wherein the ejector 451 is able to completely cover the pole piece.
Referring to fig. 1-3, the chainsaw 100 further includes a safety assembly 50, the safety assembly 50 including a safety element and a safety cord 52; the safety element is a safety valve 51, the safety valve 51 is used for connecting the host 20 and the safety rope 52, when the impact force applied to the safety valve 51 is greater than or equal to a preset safety value, the safety valve 51 is opened to disconnect the safety component 50 from the host 20, and meanwhile, the power line 30 is separated from the power plug-in interface 244 to protect the safety of a user.
The safety cord 52 is used to connect the host 20 and the user, and since the host 20 and the battery pack 11 are separately provided and the battery pack 11 is carried by the user, the safety cord 52 is specifically used to connect the host 20 and the user. The battery pack 11 is mounted to the mounting seat 40, the mounting seat 40 is carried by a user and generally fixed to a belt, the safety rope 52 is generally provided with an intermediate connecting member for connection, in the embodiment, two ends of the safety rope 52 are respectively provided with a safety valve 51 and a connecting ring for matching with the host 20 and the belt, wherein the safety rope 52 is connected with the host 20 in a safety manner through a safety valve 122 and is connected with the belt through the connecting ring, when the impact force applied to the safety valve 51 is greater than or equal to a preset safety value, the safety valve 51 is opened to disconnect the safety rope 52 from the host 20, and at the moment, the connection between the safety rope 52 and the belt is not disconnected; as an alternative embodiment, the safety rope 52 is connected with the main machine 20 in a safety way through the safety valve 51, and is connected with the waist belt through the connecting ring, when the impact force applied to the connecting ring is greater than or equal to a preset safety value, the connecting ring is opened, so that the connection between the safety rope 52 and the waist belt is disconnected, and at the moment, the connection between the safety rope 52 and the main machine 20 is not disconnected. The number of the safety valve 51 and the connection ring may be one or more, and is not limited herein. If a plurality of safety valves 51 or coupling rings are provided for coupling the safety cord 52 to the main unit 20, the preset safety value should be set smaller than that of one safety valve 51 or coupling ring; the plurality of safety valves 51 or the connection rings may cause a greater loss of momentum of the main unit 20 during falling, so that the main unit 20 may not be damaged when falling to the ground, thereby reducing user loss. It should be noted that the intermediate connection member for connecting the safety line 52 to the main unit 20 and the safety line 52 to the belt is not limited to the ring structure of the safety valve 51 and the connection ring in the present embodiment, and the specific structure thereof is not limited herein.
In the embodiment, the preset safety value is set to 15 pounds, that is, when the impact force applied to the safety valve 51 is greater than or equal to 15 pounds, or greater than 15 pounds, the safety assembly 50 is disengaged from the host 20.
As another alternative, the safety rope 52 may be provided with an intermediate connector for connecting the host 20 with the user, or may not be provided with an intermediate connector, and the safety rope 52 is directly connected to the host 10 and the user, and whether there is an intermediate connector or not, the safety rope 52 itself is made of a material characteristic, so that when the impact force applied to the safety rope 52 is greater than or equal to a preset safety value, the safety rope is disconnected and the user is disconnected from the host 20. It should be noted that the material of the safety rope 52 may be uniform, and at this time, any one of the safety ropes 52 is broken when the impact force is greater than or equal to the preset safety value; the material of the safety cord 52 may be non-uniform, so long as the impact force applied to a portion of the safety cord 52 is greater than or equal to a predetermined safety value, so that the connection between the main body 20 and the user is broken.
The power cord 30 connects the host 20 to the battery pack 11 on the user's body, and the safety cord 52 connects the host 20 to the user. The safety cord 52 and the power cord 30 may be disconnected or connected, and when they are disconnected, the maximum extension length of the safety cord 52 should be set to be smaller than that of the power cord 30, so as to ensure the safety of the user operation. When safety rope 52 and power cord 30 are not continuous, have two lines between host computer 20 and user, take place easily to interfere or twine and lead to problems such as power outage, operation unstability, in order to avoid above problem, in this application, safety rope 52 and power cord 30 link together for whole subassembly structure is retrencied more. Safety cord 52 and power cord 30 may be limited by a limit stop without contact, or may be nested or otherwise connected together. Specifically, in the present embodiment, the safety cord 52 is wound or wrapped around the surface of the power cord 30, the safety cord 52 extends along the extending direction of the power cord 30, and the length of the safety cord 52 is smaller than the length of the power cord 30. The safety cord 52 and the power cord 30 are made of non-elastic material, but the embodiment is not limited thereto.
The housing 24 is formed with a connection portion 24a, and the safety valve 51 is detachably connected to the connection portion 24 a. When the impact force applied to the safety valve 51 is greater than or equal to the preset safety value, the safety valve 51 is separated from the connecting portion 24 a.
As shown in fig. 1 and 24, the power supply line 30 includes: the safety rope comprises a wire core 30a and an insulating sleeve 30b, wherein the insulating sleeve 30b surrounds the wire core 30a, the safety rope 52 has a length direction, the safety rope 52 is provided with a through hole penetrating through the safety rope 52 along the length direction, and the insulating sleeve 30b penetrates through the safety rope 52.
Referring to fig. 16 and 17, the main unit 20 further includes a bracket 247, the bracket 247 is used for supporting the motor 22, the bracket 247 is fixedly disposed in the main body 242, that is, the bracket 247 is disposed in the accommodating space, and the bracket 247 divides the accommodating space into a left space 2411 and a right space 2412. The shaft of the motor 22 extends from the left space 2411 to the right space 2412, the stator of the motor 22 is located in the left space 2411, the sprocket 232 is disposed in the right space 2412, and the oil can 27, the fan 221 and the circuit board 26 are disposed in the left space 2411, so that the balance of the main unit 20 in the left-right direction is ensured.
A first airflow channel is disposed in the housing 24, and the first airflow channel is used for guiding a flow direction of a first heat dissipation airflow to achieve heat dissipation of the motor 22 and the circuit board 26, wherein the first airflow channel is defined by the bracket 247 and a side wall of the housing 24. The main air inlet 2424 for air to enter and the air outlet 2425 for air to flow out are formed in the casing 24, when the fan 221 rotates, the first heat dissipation air flow enters the casing 24 from the main air inlet and flows through the circuit board 26 in the left space 2411, meanwhile, the heat dissipation substrate 25 in the left space 2411 guides the first heat dissipation air flow to flow towards the first direction a, the first heat dissipation air flow is constrained by the side wall of the bracket 247, the first heat dissipation air flow flows through the stator of the motor 22 and is finally discharged from the air outlet 2425, and heat dissipation of the motor 22 and the circuit board 26 is achieved. Wherein the fan 221 may be a centrifugal fan 221. The path of the first heat dissipation airflow is located in the left space 2411 and cannot pass through the right space 2412, namely, the first heat dissipation airflow is prevented from being sucked into dust and wood dust generated when the chain wheel drives the chain to cut in the right space 2412 in the flowing process, and the service life of the chain saw is prolonged. The path through which the first heat dissipation airflow passes is a first flow path.
Referring to fig. 7 and 18, the housing 24 includes a main body 242 and a main handle 243, the motor 22 is disposed in the main body 242 along the first axis 101, and the circuit board 26 is fixedly disposed in the main body 242, wherein the circuit board 26 extends substantially in a fourth plane P4. In order to reduce the size of the host 20, the circuit board 26 is disposed adjacent to the motor 22, and the fourth plane P4 on which the circuit board 26 is disposed is substantially parallel to the first axis 101 of the motor 22, i.e. the fourth plane P4 on which the circuit board 26 is disposed is substantially perpendicular to the first plane P1, but when the motor 22 operates, a large amount of heat is inevitably generated, and in order to prevent the heat generated by the motor 22 from affecting the heat dissipation of the circuit board 26, therefore, the circuit board 26 is disposed adjacent to the motor 22, and the heat dissipation substrate 25 is disposed between the motor 22 and the circuit board 26, specifically, the vertical distance between the front and rear directions of the first axis 101 of the motor 22 and the fourth plane P4 on which the circuit board 26 is disposed is L2, wherein the vertical distance L2 is greater than or.
When the user operates the main body 20 to cut branches, a lot of dust and wood dust are inevitably generated, and in order to prevent the dust and wood dust from being sucked into the casing 24 in a large amount, the main air inlet 2424 should be disposed at a side away from the guide plate 233, and the main air inlet 2424 should be opened backward, that is, the main air inlet 2424 should be disposed at the left side of the casing 24 and the rear end 2432 of the main handle 243. Specifically, the primary air intake 2424 is disposed on the left housing portion 2421. For better heat dissipation from the circuit board 26, the primary air inlet 2424 is disposed adjacent to the circuit board 26 and the heat-dissipating substrate 25. In order to prevent the wind exhausted from the wind outlet 2425 from affecting the user operation, the wind outlet 2425 may be opened downward and disposed adjacent to the fan 221. Specifically, the main body 242 includes a left housing part 2421 and a right housing part 2422, and the main air inlet 2424 and the air outlet 2425 are disposed on the left housing part 2421. In the present embodiment, the power plug-in interface 244 is disposed adjacent to the fan 221, that is, the power plug-in interface 244 is disposed above the air outlet 2425.
Referring to fig. 19, the right housing part 2422 has an opening 2423 opposite to the main air inlet 2424, and the heat dissipating base plate 25 includes a plurality of fins, and a guiding channel for guiding the air flow is formed between two adjacent fins. The airflow entering the main air inlet 2424 inevitably brings in dust, wood dust and the like, which are accumulated between fins or fall to the bottom of the casing 24 to affect the operation of the main machine 20, specifically, the main air inlet 2424 is disposed at one end of the guide channel, and the opening 2423 is disposed at the other end of the guide channel. The housing 24 includes a cover 2429 for covering the opening 2423, and the cover 2429 is detachably connected to the left housing part 2421. In order not to affect the flow direction of the airflow in the casing 24, when the main machine 20 normally moves and works, the cover plate 2429 covers the opening 2423 to be in a closed state, so that the first heat dissipation airflow is prevented from flowing out of the opening 2423, when dust, wood chips and the like are accumulated between the fins and need to be cleaned, a user can detach the cover plate 2429, and the dust, the wood chips and the like on the heat dissipation substrate 25 are cleaned by an air gun or other methods. When the cover 2429 is detached, the case 24 is opened to form an opening 2423. The first flow path is open to the outside through the opening 2423. Further, one end of the opening 2423 may extend to the bottom of the cabinet 24 in the up-down direction, thereby facilitating the user to clean the dust, wood dust, etc. accumulated on the bottom of the cabinet 24.
The casing 24 further includes a fuse 234, the fuse 234 is disposed in the main handle 243, the fuse 234 is used for protecting the circuit, preventing a large current from occurring in the circuit and damaging elements in the host 20, and when the host 20 is in operation, the fuse 234 generates a large amount of heat, which causes the casing of the casing 24 to be melted and affects the use of the host 20. The main handle 243 is formed with a first auxiliary intake opening 2434, and the first auxiliary intake opening 2434 is opened near the fuse 234. Specifically, when the fan 221 rotates, the second heat dissipation airflow enters from the first auxiliary air inlet 2434 and flows through the fuse 234, and the centrifugal fan 221 generates a negative pressure by rotating, so that the second heat dissipation airflow is sucked into the left space 2411 along the casing of the main handle 243, enters the motor 22 along the side wall of the bracket 247, and is finally discharged from the air outlet. With the above arrangement, the motor 22 can be further cooled.
The housing 24 further includes a capacitor 235, the capacitor 235 is disposed in the main body 242, and when the host 20 is in operation, the capacitor 235 may generate a large amount of heat, which may cause the housing of the main body 242 to be melted, and may affect the use of the host 20. A second auxiliary air inlet 2426 is formed on the left housing part 2421, and the second auxiliary air inlet 2426 is opened near the capacitor 235. Specifically, when the fan 221 rotates, the third heat dissipation airflow enters the main body 242 from the second auxiliary air inlet 2426 and flows through the capacitor 235, and the centrifugal fan 221 rotates to generate a negative pressure, so that the third heat dissipation airflow is sucked into the motor 22 from the casing 24 and finally discharged from the air outlet. With the above arrangement, the motor 22 can be further cooled. That is, the first heat dissipation airflow, the second heat dissipation airflow, and the third heat dissipation airflow can all dissipate heat of the motor 22, thereby improving the heat dissipation efficiency of the motor 22.
Referring to fig. 8-9, the chain saw 100 further includes a brake assembly 60, which is frequently used by a user to stop when working aloft, so that ensuring that the main body 20 is locked reliably is a necessary condition for ensuring the safety of the user's operation. It is therefore desirable that the brake assembly 60 be relatively long-lived and be quickly removable from the main unit 20 to increase replaceability and serviceability. In this embodiment, the brake assembly 60 is disposed in the right space 2412 of the main frame 20, and the brake assembly cover 61 is disposed on the right side of the casing 24 and can be separated from the casing 24. The brake assembly 60 has no brake switch and gives a brake signal through the hall element 62 to generate a signal current, thereby cutting off the circuit. The hall element 62 is located inside the casing 24, and the magnet or other sensing element is mounted on the braking plate 63, so that the magnetic field is changed by the braking action to trigger the hall element 62 to generate a signal, thereby controlling the circuit board 26 to cut off the circuit. As an alternative embodiment, the brake assembly 60 includes a brake plate 63, the brake plate 63 has three legs, specifically, a first brake leg 631, a second brake leg 632 and a third brake leg 633, the first brake leg 631 drives the brake switch to cut off the circuit to perform electronic braking, the second brake leg 632 drives the brake band 65 to perform mechanical braking, and the third brake leg 633 is used for mounting, i.e., the third brake leg 633 is connected to the housing 24. The priority of the electronic brake is higher than that of the mechanical brake, that is, the mechanical brake is started after the brake switch cuts off the circuit. The first brake leg 631 and the second brake leg 632 are disposed on the right side of the main handle 243, the third brake leg 633 is disposed on the left side of the main handle 243, the hall element 62 is fixedly disposed in the main handle 243, the second brake leg 632 is adjacent to the hall element 62, and the second brake leg 632 is disposed with a sensing element such as a magnet. As another embodiment, the hall element 62 is fixedly disposed within the main body portion 242.
Referring to fig. 25, the brake assembly 60 further includes a linkage assembly 64, the linkage assembly 64 is used to connect the brake plate 63 and the brake band 65, i.e. to drive the brake plate 63, so that the brake plate 63 drives the linkage assembly 64, and the linkage assembly 64 drives the brake band 65 to perform braking. The brake band 65 includes: the brake block comprises a first section 651, a brake section 652 and a second section 653, wherein the first section 651 is linked to a brake plate 63 through a linkage assembly 64; a brake section 652 surrounds the sprocket 232 for braking; the second section 653 is connected with the housing 24, and the second section 653 to the brake section 652 extend upward along the up-down direction, so that the structural strength is prevented from being influenced by the brake band 65 which is bent for many times, and meanwhile, the space is saved. The brake assembly 60 further includes: and the limiting piece 66 is used for preventing the second section 653 from freely moving, the limiting piece 66 is fixedly connected with the casing 24, and the limiting piece 66 is connected with the second section 653 through a pin. Referring to fig. 10 to 12, the chainsaw 100 further includes a switch assembly 21, the switch assembly 21 being used to control the operation or stop of the motor 22, the switch assembly 21 being mounted to the main handle 243. The switch assembly 21 includes a trigger switch 211 and a trigger 212, the trigger 212 is mounted to the main handle 243, and the trigger switch 211 is electrically connected to the motor 22. The main grip 243 is surrounded by a grip space 2435, the trigger 212 is rotatably connected to the main grip 243 for user operation, and the trigger switch 211 is disposed in the main grip 243. When the user operates the trigger 212, the trigger 212 rotates around the first rotation axis 103, the trigger switch 211 is triggered from the initial position to the starting position, the trigger switch 211 is closed, the motor 22 runs, and after the user releases the trigger 212, the trigger 212 rotates from the starting position to the stopping position, the trigger switch 211 is disconnected, and the motor 22 stops. It should be noted that the starting position in this application refers to a position where the trigger switch 211 is closed to realize the operation of the motor 22 during the rotation of the trigger 212, that is, as long as the trigger switch 211 is closed during the rotation of the trigger 212, the position of starting the motor 22 may be the starting position; similarly, the stop position refers to a position where the trigger switch 211 is turned off during the rotation of the trigger 212 from the start position to the initial position, and may be the stop position.
The switch assembly 21 further includes a rotating member 213, and the rotating member 213 is rotatably disposed in the handle space 2435. The rotary member 213 can be actuated by the trigger 212 to close the trigger switch 211. Specifically, the trigger 212 rotates the rotating member 213 about the second rotation axis 104 about the first rotation axis 103, and activates the trigger switch 211, so that the chain saw 100 is started. In this embodiment, the rotating member 213 has a contact portion 2132 and a driving portion 2131, and the contact portion 2132 contacts with the trigger 212, it can be understood that the trigger 212 has a protrusion 2121 matching with the contact portion 2132. The driving unit 2131 is used to activate the trigger switch 211 when the rotation member 213 rotates. Trigger switch 211 includes a push rod 2111 that can be actuated, with push rod 2111 extending generally in the direction of centerline 105. When the user operates the trigger 212, the protrusion 2121 of the trigger 212 pushes the rotating element 213 to rotate around the second rotation axis 104, the driving portion 2131 of the rotating element 213 triggers the push rod 2111 during the rotation, and the push rod 2111 moves backward along the central line 105, so that the trigger switch 211 is closed, and the motor 22 is started. Wherein the trigger switch 211 may specifically be a travel switch.
The stroke of the sliding of the push rod 2111 is related to the rotational speed of the motor 22, i.e. the greater the distance the push rod 2111 moves backwards in the direction along the centre line 105, the faster the speed of the motor 22. In this embodiment, the distance that the push rod 2111 slides is related to the angle that the trigger 212 rotates, i.e., the greater the angle that the trigger 212 rotates, the greater the distance that the push rod 2111 moves backwards in the direction of the center line 105. to facilitate the trigger 212 to control the rotational speed of the motor 22, the contact portion 2132 that contacts the protrusion 2121 of the trigger 212 is formed with a contact surface that is configured as an arc-shaped surface, wherein the ratio of the angle that the trigger 212 rotates to the distance that the push rod 2111 slides is constant.
To ensure user safety, the chainsaw 100 is prevented from being misactuated. The switch assembly 21 also has a lock switch 214 that is operated by a user to unlock the lock switch 214 before the user operates the trigger 212.
Referring to fig. 10 to 12, when the user operates the chain saw 100, the switch assembly 21 is always used for turning on and off, so that the switch assembly 21 has a relatively long life and can be detached from the main frame 20, which is convenient for the user to maintain and replace at a later stage. To facilitate replacement of parts by the user, the main handle 243 is removably connected to the main body portion 242. Here, the term detachable means that the main handle 243 is detached from the main body 242 without destroying the original structure of the main handle 243 or the main body 242, and for example, the main handle 243 and the main body 242 are configured to be snap-fit, screw-fit, or screwed. The main handle 243 includes a left handle portion 2436 and a right handle portion 2437, and the left handle portion 2436 and the right handle portion 2437 are detachably connected, that is, the left handle portion 2436 and the right handle portion may also be connected by a snap connection, a threaded connection, a screw connection, or the like. In the present embodiment, the main body 242 is formed with a left groove 2427 and a right groove 2428, the left groove 2427 is used for a part of the left handle portion 2436 to be inserted from the left side, the right groove 2428 is used for a part of the right handle portion 2437 to be inserted from the right side, the left handle portion 2436 and the right handle portion 2437 and the left groove 2427 and the right groove 2428 are inserted in place to realize primary fixation, and further, the left handle portion 2436 and the right handle portion 2437 are tightened by screws. Specifically, the main body 242 has a left housing part 2421 and a right housing part 2422, wherein a left groove 2427 is formed on the left housing part 2421, a right groove 2428 is formed on the right housing part 2422, and the left handle part 2436 and the right handle part 2437 are respectively embedded in the left groove 2427 of the left housing part 2421 and the right groove 2428 of the right housing part 2422.
Referring to fig. 20, the main handle 243 includes a holding portion at least partially extending along the center line 105, the center line 105 intersects with the front-back direction to form a certain inclination angle α, and the inclination angle α is greater than or equal to 14 degrees and less than or equal to 45 degrees, so as to achieve cutting comfort when a user operates in an unusual working condition, such as high altitude or on a tree.
Referring to fig. 14, to facilitate gripping by a user, the chainsaw 100 further includes an auxiliary handle 70, the auxiliary handle 70 including a main auxiliary grip portion 71, the main auxiliary grip portion 71 extending generally in a fifth plane P5, wherein the fifth plane P5 is generally parallel to the first plane P1. The auxiliary handle 70 is connected to the housing 24, the auxiliary handle 70 further includes a first connecting portion 72 and a second connecting portion 73, the first connecting portion 72 and the main handle 243 form a detachable connection, and the second connecting portion 73 and the main body portion 242 form a detachable connection, that is, the first connecting portion 72 and the left handle portion 2436 may be a snap connection, a threaded connection, a screw connection, and the like, and the specific connection manner is not limited, and similarly, the second connecting portion 73 and the left housing portion 2421 may be a snap connection, a threaded connection, a screw connection, and the like. To facilitate the detachment of the main handle 243, the auxiliary handle 70 may be provided with a connection that is detached together with the main handle 243, and the first connection portion 72 is screwed to the left handle portion 2436.
Referring to fig. 21 to 23, the chain saw 100 further includes an alarm device 80 and an oil tube 28 connected to the oil can 27 for sending the oil can 27 to the guide plate 233, wherein the alarm device 80 is a device for detecting whether the oil can 27 is out of oil and displaying the remaining oil amount of the oil can 27. The alarm device 80 includes an alarm element for reminding the oilcan 27 of lack of oil and a detection assembly 81, the alarm element is an alarm lamp 82, the alarm lamp 82 is mounted to the rear end portion 2432 of the main handle 243 for the convenience of a user to observe the condition of the oilcan 27, and specifically, the alarm lamp 82 is mounted to the left handle portion 2436. The detecting component 81 is used for detecting whether oil exists in the oil pipe 28, specifically, the detecting component 81 is arranged adjacent to the oil can 27, the detecting component 81 comprises an optical sensor 811, a connecting pipe 812 and a detecting shell 813, the optical sensor 811 is used for detecting whether oil passes through the oil pipe 28, the connecting pipe 812 is used for connecting the oil pipe 28, the optical sensor 811 is arranged in the detecting shell 813, the connecting pipe 812 is at least partially arranged in the detecting shell 813, and the optical sensor 811 is arranged adjacent to the connecting pipe 812, specifically, the oil pipe 28 is provided with a first section 281 and a second section 282, the connecting pipe 812 is connected with the first section 281 and the second section 282, namely, the optical sensor 811 detects whether oil passes through the connecting pipe 812 and converts light energy into an electric signal to be sent to the circuit board 26, the circuit board 26 receives the electric signal, and the circuit board 26.
It is also understood that the alarm device 80 includes a connecting tube 812, a detecting element and an alarm lamp 82, the detecting element is disposed near the connecting tube 812, oil passes through the detecting connecting tube 812, and the resulting information is converted into an electrical signal and transmitted to the circuit board 26, the circuit board 26 receives the electrical signal, and the circuit board 26 controls the alarm lamp 82 according to the electrical signal.
In order to facilitate the user to observe the amount of oil in the oil can 27, in the present embodiment, the motor 22 is disposed between the oil can 27 and the circuit board 26, and it is understood that the oil can 27 is disposed on the front side of the motor 22 and the circuit board 26 is disposed on the rear side of the motor 22 in the front-rear direction.
In order to avoid the influence of light passing through the oil pipe 28 on the detection assembly 81 and ensure the accuracy of the detection structure, in the present embodiment, the oil pipe 28 is configured as a non-transparent member, and the connection pipe 812 is configured as a transparent member, i.e., light cannot penetrate through the oil pipe 28 and affect the detection assembly 81.
In order to avoid dust from entering and affecting the detection assembly 81, and also to facilitate replacement and maintenance of the detection assembly 81 by a user at a later stage, the detection housing 813 includes a first housing 8131, a second housing 8132, and a third housing 8133, the first housing 8131 is connected with the second housing 8132 in a clamping manner to form a detection space, wherein at least a portion of the connection pipe 812 is fixedly disposed in the detection space, the optical sensor 811 is fixedly disposed in the detection space, specifically, the connection pipe 812 and the optical sensor 811 are fixedly connected with the first housing 8131, the second housing 8132 is connected with the first housing 8131 and then disposed in the third housing 8133, wherein the first housing 8131 and the third housing 8133 are fixedly connected or integrally formed, and the length of the third housing 8133 in the front-back direction and the left-right direction is greater than the length of the first housing 8131 and the length of the second housing 8132, that is, i.e., a gap is formed between the third housing 8133 and the first housing.
Because the battery pack 11 and the host 20 are separately disposed, the user works at high altitude, the battery pack 11 is generally disposed behind the user, and in order to avoid the situation that the user needs to detach the battery pack 11 to observe the electric quantity of the battery pack 11, the main handle 243 further includes an electric quantity display lamp 83, and the specific electric quantity display lamp 83 is disposed adjacent to the alarm lamp 82, that is, the electric quantity display lamp 83 is disposed at the rear end 2432 of the main handle 243.
Referring to fig. 5 and 6, in the left-right direction, the main grip portion 2433 is at least partially symmetrical about a third plane P3, the third plane P3 is a middle plane of the main grip portion 2433, and it can be understood that the left handle portion 2436 and the right handle portion 2437 are symmetrical about the third plane P3. The guide plate 233 extends in a first plane P1, wherein the first plane P1 is substantially parallel to the third plane P3, the guide plate 233 is disposed at the right side of the third plane P3, the motor 22, the oil can 47, the circuit board 26, the power plug-in interface 244 and the like are disposed at the left side of the main handle 243, and the auxiliary handle 70 is disposed at the side away from the guide plate 233 for safety reasons, that is, the auxiliary handle 70 is disposed at the right sprocket of the third plane P3. Since the weight of the guide plate 233 is relatively heavy with respect to the main body 20, in order to balance the main body 20 right and left, the guide plate 233 should be disposed adjacent to the center of gravity of the main body 20, and at the same time, in order to facilitate cutting by the user and improve the handling performance, the main handle 243 should be disposed close to the guide plate 233, and specifically, the distance L3 between the first plane P1 and the third plane P3 should be 35mm or more and 55mm or less. The user holds the main handle 243 of the main unit 20 with the right hand, and the left hand can be placed on the auxiliary handle 70, that is, the left hand is used for being at least partially located on the left side of the third plane P3, so as to facilitate the user to observe the oil amount of the oil tank and the electric quantity of the battery pack 11, that is, the alarm lamp 82 and the electric quantity display lamp 83 are both arranged on the left side of the main handle 243, it can be understood that the alarm lamp 82 and the electric quantity display lamp 83 are both arranged on the left side of the third plane P3, and meanwhile, in order to facilitate the connection between the circuit board 26 and the alarm lamp 82 and the electric quantity display lamp 83, the alarm lamp 82 and the electric quantity display lamp 83 are arranged adjacent to the circuit board 26, and specifically, the alarm lamp 82 and the electric quantity display lamp 83 are both arranged on the rear end portion 2432 of the main handle 243, that is, in the front and rear directions.
The foregoing shows and describes the basic principles, essential features and advantages of the application. It should be understood by those skilled in the art that the above-described embodiments are not intended to limit the present application in any way, and all technical solutions obtained by means of equivalents or equivalent changes fall within the protection scope of the present application.
Claims (10)
1. A chain saw, comprising:
the main machine comprises a chain, a guide plate for supporting the chain and a motor for driving the guide plate to move;
a battery pack for providing an energy source to the motor;
the method is characterized in that:
the main machine and the battery pack are arranged separately, and the chain saw further comprises a connecting assembly for connecting the main machine and the battery pack.
2. The chain saw as recited in claim 1, wherein:
the connecting assembly includes:
and the power line comprises a first end connected with the battery pack and a second end connected with the host.
3. The chain saw as recited in claim 2, wherein: the chain saw further comprises:
a mounting seat formed with a coupling portion for mounting the battery pack;
the host includes:
a housing surrounding a receiving cavity formed for receiving at least a portion of the motor, the guide plate extending forward out of the housing;
the housing includes:
the power supply plug-in interface is internally provided with an access terminal;
a front end face formed with a front port through which the guide plate extends;
a rear end face opposite the front end face;
the power plug-in interface is arranged between the front end face and the rear end face, the second end of the power line and the power plug-in interface form detachable connection, and the mounting seat is provided with a connecting mechanism which can be connected to a waistband of a user.
4. The chain saw as recited in claim 1, wherein:
the motor comprises a motor shaft capable of rotating around a first axis; the guide plate extends in a first plane, and the first axis is perpendicular to the first plane.
5. The chain saw as recited in claim 1, wherein:
the host further comprises:
an oil can;
the circuit board is electrically connected with the motor;
a housing surrounding a receiving cavity formed for receiving at least a portion of the motor, the guide plate extending forward out of the housing;
in the front-rear direction, the motor is disposed between the oil can and the circuit board.
6. The chain saw as recited in claim 3, wherein:
the connecting mechanism includes: a first connector connectable to a user's belt in a first connection and a second connector connectable to the user's belt in a second connection.
7. The chain saw as recited in claim 6, wherein:
the first connecting piece is a metal piece, and the second connecting piece is a flexible piece.
8. The chain saw as recited in claim 3, wherein:
the housing includes a primary handle including a primary grip portion for gripping by a user, the primary handle including: a front end portion and a rear end portion, the main grip portion being disposed between the front end portion and the rear end portion;
the power insertion interface is disposed between the front end portion and the rear end portion in the front-rear direction.
9. The chain saw as recited in claim 3, wherein:
the motor comprises a motor shaft capable of rotating around a first axis; the guide plate extends in a first plane, the first axis being perpendicular to the first plane;
the power supply insertion interface is arranged at one end of the motor along the first axial direction.
10. The chain saw as recited in claim 3, wherein:
the casing comprises a main handle, the main handle comprises a holding part which is at least partially symmetrical about a median plane, the guide plate extends in a first plane, and the distance between the median plane and the first plane is greater than or equal to 35mm and less than or equal to 55 mm.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2018115116189 | 2018-12-11 | ||
CN201811511618 | 2018-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211682566U true CN211682566U (en) | 2020-10-16 |
Family
ID=71075308
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922221060.7U Active CN211671502U (en) | 2018-12-11 | 2019-12-11 | Garden tool |
CN201922217642.8U Active CN211671501U (en) | 2018-12-11 | 2019-12-11 | Garden tool |
CN201911269906.2A Active CN111300550B (en) | 2018-12-11 | 2019-12-11 | Chain saw |
CN201922220974.1U Active CN212045127U (en) | 2018-12-11 | 2019-12-11 | Chain saw |
CN201922218811.XU Active CN211682566U (en) | 2018-12-11 | 2019-12-11 | Chain saw |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922221060.7U Active CN211671502U (en) | 2018-12-11 | 2019-12-11 | Garden tool |
CN201922217642.8U Active CN211671501U (en) | 2018-12-11 | 2019-12-11 | Garden tool |
CN201911269906.2A Active CN111300550B (en) | 2018-12-11 | 2019-12-11 | Chain saw |
CN201922220974.1U Active CN212045127U (en) | 2018-12-11 | 2019-12-11 | Chain saw |
Country Status (2)
Country | Link |
---|---|
CN (5) | CN211671502U (en) |
WO (1) | WO2020119730A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4056307B1 (en) * | 2019-12-31 | 2024-04-03 | Nanjing Chervon Industry Co., Ltd. | Chainsaw |
CN112671132A (en) * | 2020-12-05 | 2021-04-16 | 江苏铁锚工具股份有限公司 | Multi-pair-pole direct-drive inner rotor motor, electric chain saw and cutting machine |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20121013U1 (en) * | 2001-12-28 | 2002-03-14 | Dolking Ltd., Hong Kong | Power tool with improved power supply system |
US20140000922A1 (en) * | 2007-09-06 | 2014-01-02 | PELLENC (Société Anonyme) | Multifunctional portable electric apparatuses |
CN102972216A (en) * | 2012-12-03 | 2013-03-20 | 常州格力博有限公司 | Brushless chain saw |
JP2014148117A (en) * | 2013-02-01 | 2014-08-21 | Makita Corp | Chain saw |
US9893329B2 (en) * | 2014-07-04 | 2018-02-13 | Makita Corporation | Electronic power supply device |
EP3023201B1 (en) * | 2014-11-20 | 2017-09-06 | Andreas Stihl AG & Co. KG | Motorised saw assembly and cable module for a motorised saw |
CN106181903B (en) * | 2015-05-25 | 2020-09-01 | 南京德朔实业有限公司 | Backpack tool system |
JP6556536B2 (en) * | 2015-07-13 | 2019-08-07 | 株式会社マキタ | Chainsaw |
CN204913827U (en) * | 2015-08-03 | 2015-12-30 | 宁波奥晟机械有限公司 | Lithium electrician utensil |
JP6615648B2 (en) * | 2016-03-10 | 2019-12-04 | 株式会社マキタ | Chainsaw |
JP2018012147A (en) * | 2016-07-19 | 2018-01-25 | 株式会社マキタ | Storage case |
CN208179397U (en) * | 2018-04-13 | 2018-12-04 | 南京德朔实业有限公司 | A kind of fastening tool system |
-
2019
- 2019-12-11 CN CN201922221060.7U patent/CN211671502U/en active Active
- 2019-12-11 CN CN201922217642.8U patent/CN211671501U/en active Active
- 2019-12-11 CN CN201911269906.2A patent/CN111300550B/en active Active
- 2019-12-11 WO PCT/CN2019/124652 patent/WO2020119730A1/en active Application Filing
- 2019-12-11 CN CN201922220974.1U patent/CN212045127U/en active Active
- 2019-12-11 CN CN201922218811.XU patent/CN211682566U/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN212045127U (en) | 2020-12-01 |
CN111300550B (en) | 2022-11-11 |
CN211671501U (en) | 2020-10-16 |
CN111300550A (en) | 2020-06-19 |
CN211671502U (en) | 2020-10-16 |
WO2020119730A1 (en) | 2020-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11518059B2 (en) | Chainsaw | |
CN211682566U (en) | Chain saw | |
CN107175724B (en) | Chain saw | |
US9174289B2 (en) | Saw | |
JP2011136541A (en) | Hand-held type electromotive tool | |
US20200061764A1 (en) | Dust collection device for electric power tool, electric power tool, and dust collection system | |
EP2689879A1 (en) | Saw | |
WO2005084861A1 (en) | Illuminating brake release for a motor chain saw | |
CN212635318U (en) | Angle grinder | |
JP2011097837A (en) | Battery type electric bush cutter | |
CN111766926B (en) | Dust-protection type computer mainframe | |
US20140020540A1 (en) | Saw | |
US11559916B2 (en) | Electric working machine | |
CN208572785U (en) | Handheld garden tool | |
CN215646535U (en) | Power plant | |
JP5732164B2 (en) | Battery powered electric brush cutter | |
CN213496897U (en) | Cutting saw | |
CN219768168U (en) | Electric tool host computer and electric tool | |
EP2689877A1 (en) | Saw | |
WO2020001634A1 (en) | Long-pole gardening tool | |
EP2689876A1 (en) | Saw | |
JP2023031690A (en) | Cleaner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: No. 529, Jiangjun Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |