534 results about "Chain saw" patented technology

A chainsaw includes a housing with a body portion and a motor portion disposed on a left or right side of the body portion, a guide plate, a chain, a drive assembly including an electric motor, a power supply device, a top handle, a side handle and a circuit board assembly. The top handle is disposed on and connected to an upper side of the body portion, and the rear portion is located below a handle rear end of the top handle. The side handle is disposed on a same side of the body portion together with the motor portion. The circuit board assembly is disposed in the rear portion of the body portion, and located between the power supply device and the drive assembly in a front and rear direction. An overall length of the chainsaw is smaller than or equal to 230 mm.

The utility model provides a double-pack chain saw which comprises a main body shell, a guide plate, a saw chain, an electric motor and a handle, and a first battery pack and a second battery pack are arranged in parallel in the axial direction of forward protruding and extending of the guide plate; the bottoms of the first battery pack and the second battery pack do not protrude out of the bottom of the main body shell; or, the bottoms of the first battery pack and the second battery pack protrude out of the bottom of the main body shell, so that the bottom of the first battery pack and the bottom of the second battery pack jointly form a horizontal supporting part of the chain saw. According to the technical scheme, the first battery pack and the second battery pack are arranged in parallel in the axial direction of forward protruding and extending of the guide plate, so that the layout of the battery packs is more regular and ordered, and operation and use are convenient.

The invention relates to the technical field of chain saws, and discloses a chain saw with a safety protection structure, a second rotating shaft movably penetrates through the interior of a fixed cylinder, a protection frame is fixedly connected to one end of the second rotating shaft and is located on the outer side of a fixed cover body and the outer side of a shell, and the other end of the second rotating shaft is located in the fixed cylinder and movably sleeved with a second torsional spring; the other end of the second rotating shaft is fixedly connected with a push block on the outer side of the second torsional spring, and a touch switch is mounted on the outer side of the fixed cylinder and in the shell. When the chain saw moves downwards to be close to the leg of a person, a blocking frame on a protection frame abuts against the leg of the person, the protection frame is stressed to abut against the bottom of a limiting block and drives a second rotating shaft to rotate, the chain saw is supported through the protection frame, and a saw chain on a guide plate is prevented from being close to the leg of the person; meanwhile, the second rotating shaft rotates to drive the push block to abut against and press the outer side of the touch switch, the circuit is disconnected, the driving motor stops rotating, personnel are prevented from being injured, and guarantee is provided for personnel safety.

The utility model provides a chain saw, which comprises an oil liquid supply system, an oil liquid supply system, an oil liquid supply system, an oil liquid supply system and an oil liquid supply system, and the oil tank is used for storing oil liquid and comprises an oil liquid outlet and an oil liquid inlet; the first end of the oil outlet pipe is connected with the oil liquid outlet; the first end of the oil supply pipe is arranged towards the to-be-lubricated component; the oil pumping assembly comprises a pump body inlet and a pump body outlet, the pump body inlet is connected with the second end of the oil outlet pipe, and the pump body outlet is connected with the second end of the oil supply pipe; the oil pumping assembly can be switched between the forward rotation state and the reverse rotation state so that oil in the oil tank can be pumped out through the oil outlet pipe and supplied to a to-be-lubricated part through the oil supply pipe, or oil in the oil supply pipe can be sucked out and conveyed back into the oil tank through the oil outlet pipe. And residual lubricating oil in the oil pipe may overflow.

The application provides a handheld power tool, and relates to the technical field of electric tools.The handheld power tool comprises a housing, a handle arranged on the housing, a motor arranged in the housing, a transmission mechanism comprising a transmission component, a coaxially arranged output disc and a chain wheel, the transmission component being connected with the motor, and the output disc being matched with the transmission component, and a saw chain sleeved on the chain wheel; wherein the center line L1 of the saw chain intersects with the center line L2 of the motor at a first intersection point S1, the center line L1 of the saw chain intersects with the center line L3 of the handle at a second intersection point S2, and the first intersection point S1 and the second intersection point S2 are both arranged on the outer side of the output disc. By arranging the first intersection point S1 and the second intersection point S2 on the outer side of the output disc, the included angle between the saw chain and the motor and the handle is reasonably arranged.

A chainsaw is provided, enabling to remove sawdust conveyed inside a main body efficiently, which has a main body including: a guide bar; a saw chain wound around the guide bar and the drive sprocket; a drive sprocket disposed behind the guide bar, having a rotation shaft in a right / left direction of the main body and rotated to move the saw chain along the guide bar; and a guide wall including an arcuate first wall along the drive sprocket with a predetermined gap from the saw chain and a second wall extended rearward via a connecting portion to the first wall, and when seen from the right / left direction, a angle between: a first direction along a vertical direction of the main body; and a second direction passing through the center of the rotation shaft and an apex of the connecting portion is between 0° and 30°.

The utility model provides a chain saw. The chain saw comprises a main body shell; a guide plate provided so as to protrude forward from the main body case; the saw chain is arranged on the periphery of the guide plate in a tensioning manner; an electric motor which is provided inside the main body housing and which rotates the saw chain along the outer periphery of the guide plate; a handle having a gripping portion to be gripped by an operator; the at least one battery pack is assembled on the main body shell in a detachable manner and is suitable for supplying power to the electric motor; when the chain saw is observed from above in the state that the chain saw is arranged on the horizontal supporting surface, the projection of the electric motor and the projection of the at least one battery pack on the horizontal supporting surface are at least partially overlapped. When a user operates and uses the chain saw to conduct cutting operation, due to the fact that the gravity center of the chain saw further deviates towards the front end, the chain saw inclines downwards and forwards due to the dead weight, more labor is saved when the user conducts cutting operation downwards, and the cutting efficiency is improved. Therefore, the user can use and operate conveniently.

The present invention relates to the technical field of vibration data detection, and specifically relates to an electric chain saw chain device and an operating safety detection method. The method comprises: obtaining a time-series initial noise factor of vibration data at each moment on the basis of the difference between local vibration data in a vibration signal data sequence and distribution of the differences between all adjacent vibration data within a local range, and obtaining a time-series noise factor of the vibration data at each moment by means of distribution of time intervals between all adjacent extreme points in a local vibration data curve; on the basis of the difference between the energy corresponding to a fundamental frequency and the energy corresponding to harmonic frequencies and the degree of disorder in energy distribution of the harmonic frequencies, obtaining a frequency domain noise factor of the vibration data at each moment, and filtering the vibration data to obtain a filtered vibration signal data sequence; and then performing operating safety detection of the electric chain saw chain device. The present invention reduces the interference of environmental noise and improves the accuracy of the operating safety detection of the chain device.

The chain saw chip removal structure comprises a chain saw body, a side cover installed on the chain saw body and a chip prevention cover assembly movably installed on the side cover, the side cover and the chain saw body are matched to form a first chip removal opening, a second chip removal opening is formed in the side cover, and a chip removal cavity is formed in the chain saw body. And the first chip removal opening and the second chip removal opening are both communicated with the chip removal cavity. According to the chain saw, the first chip removal opening and the second chip removal opening are formed, and the chip removal direction of the upper chip removal opening is vertical, so that when the chain saw performs vertical cutting or transverse cutting, at least one chip removal opening can be used for effectively removing chips, the possibility that the chips are blocked in the chip removal cavity is reduced, the cleaning frequency of operators is reduced, and the working efficiency is improved. And the working efficiency of operators is improved.

1. The name of the design product: chain saw. 2. The use of the design product: the design product is used for pruning or cutting trees. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. The name of the design product: gasoline chain saw starting cover (25). 2. The use of the design product: starting cover for gasoline chain saw starting cover. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: cylinder cover of gasoline chain saw (25th). 2. The use of the design product: cylinder cover of gasoline chain saw. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

1. Name of the designed product: electric chain saw. 2. Use of the designed product: electric chain saw for cutting objects. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

According to examples, a power tool may include a chassis and a guide bar mounted to the chassis, the guide bar having a central axis. The power tool may also include a handle attached to the chassis above the central axis of the guide bar and a motor housed within the chassis to drive a chain around the guide bar, in which the motor is positioned beneath the central axis of the guide bar and a central axis of the motor is at a certain angle with respect to the central axis. The handle, the motor, and the battery pack mount may be positioned with respect to the chassis to cause the power tool to substantially be balanced in both lateral and longitudinal directions about a location near the trigger mechanism when the battery pack is mounted to the battery pack mount.

A chainsaw, comprising: a main-unit housing having a front portion, a rear portion, and an intermediate portion between the front portion and the rear portion; and a battery pack attached to the rear portion of the main-unit housing and supplying power to at least an electric motor, wherein when the battery pack is attached to the main-unit housing and the chainsaw is stably placed, the orthographic projection of the whole chainsaw is observed in an up-down direction, and in a front-rear direction, the ratio of the overlap length L1 between the battery pack and the main-unit housing to the length L2 of the main-unit housing is greater than or equal to 0.3.

1. The name of the design product: chain saw (D507). 2. The use of the design product: cutting for gardening and forestry. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The present invention provides a chainsaw, specifically relating to the field of cutting tools. The chainsaw comprises a housing, a guide plate, a saw chain, a tool guard, and a bolt. A guide block and a first connecting hole are provided on one side of the housing. The guide plate is provided with a retaining groove that cooperates with the guide block. The saw chain is mounted on the guide plate and driven by a drive device disposed within the housing. The tool guard is provided with a second connecting hole corresponding to the first connecting hole. The bolt is rotatably retained on the tool guard and axially movable along the second connecting hole. When the guide plate is installed, the bolt passes through the guide plate and is threadedly connected to the first connecting hole to secure the guide plate between the tool guard and the housing. The chainsaw of the present invention is simple to assemble, and because the bolt remains attached to the tool guard, it can be prevented from being lost during assembly.

1. The name of this design product: power tool head. 2. Purpose of the product with this appearance design: After installing a working head (such as a mowing head, a chain saw head, etc.), it is used for pruning and tidying up the garden. 3. The design points of this appearance design product are: the design points of Design 1 are on the shape of the product, and the design requirements of Design 2 are on the shape and color of the product. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. Designate Design 1 as the base design. 6. Other situations that need explanation: Component description: The enlarged left view of Design 1 is the enlarged view of the left view of Design 1; the enlarged right view of Design 1 is the enlarged view of the right view of Design 1; the left view of Design 1 and the right view of Design 1 are omitted. 7. Other circumstances that require explanation: The design for which protection is sought in Design 2 includes color.

The utility model discloses a starting device for a chain saw, which comprises a protective shell, a driving component and a ratchet component, the protective shell is provided with a connecting shaft, the connecting shaft is in threaded connection with the protective shell, the driving component is sleeved on the connecting shaft and rotates around the connecting shaft, and the ratchet component is sleeved on the connecting shaft and rotates around the connecting shaft. The ratchet wheel assembly is connected with the driving assembly, the driving assembly drives the ratchet wheel assembly to rotate, the structural design is ingenious and reasonable, practicability is high, accurate positioning and installation of the driving assembly and the ratchet wheel assembly are achieved through the connecting shaft, the connecting shaft and the protective shell are in threaded connection, and installation between the connecting shaft and the protective shell is facilitated; therefore, replacement between the connecting shaft and the protective shell is facilitated, the number of parts is reduced, and the production cost is reduced.

1. Name of the designed product: electric chain saw (E140180230300). 2. Use of the designed product: for cutting articles. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

A hand-held chainsaw device (1) is described, comprising a motor housing (20) with a first side (21) and an opposing second side (22), the first side (21) having a first opening through which a first drive shaft section (33) projects for driving a sprocket (14), and an electric motor (30) for driving the sprocket (14), wherein a stator (32) of the electric motor (30) is arranged in the motor housing (20) between the first side (21) and the second side (22), and a handle (61) for holding and guiding the chainsaw device (1) with a handle axis (87) extending between the first side (21) and the second side (22), and an oil tank (17) for storing lubricating oil for a saw chain (16) driven by the sprocket (14), and an oil pump (40) for delivering lubricating oil from the oil tank (17) through an oil channel (41). to an oil delivery opening (42),wherein the motor housing (20) comprises a motor housing base body (23) and a motor housing cover (24) which closes the motor housing base body (23) on the second side (22), wherein the motor housing cover (24) has a second opening (26) through which a second drive shaft section (34) protrudes and the oil pump (40) is driven by the second drive shaft section (34).

1. The name of the design product: lithium battery single-hand chain saw (6-8 inches). 2. The use of the design product: used for sawing, cutting, and cutting trees, wood, lumber, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a two-hand-held electric saw, and relates to the technical field of chain saws, in particular to a two-hand-held electric saw which comprises a machine shell, a motor machine shell, a cover plate and a guide plate chain, the machine shell comprises a left machine shell and a right machine shell, the left machine shell and the right machine shell are fixedly installed through a plurality of screws after being buckled, and an equipment part is arranged at the front end of the machine shell; according to the double-hand-held electric saw, the motor, the gear set, the guide plate chain and the battery pack are arranged in a matched mode, so that the double-hand-held electric saw has the effect that the low-energy-consumption small motor is adopted to drive the guide plate chain to work, the motor is in transmission connection with the guide plate chain through the gear set, gears in the gear set are planetary gears, and an output shaft of the motor drives the planetary gears to rotate; the planetary gear drives the chain wheel to rotate through the rotating shaft, the chain wheel drives the chain in the guide plate chain to rotate, in the transmission process, the motor can be a low-energy-consumption and low-power motor, the weight of the whole electric saw can be reduced, energy consumption can be reduced, and the endurance time of a battery can be prolonged.

1. The name of the design product: chain saw (new oil pot). 2. The use of the design product: for saw. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a chain saw guide plate flatness detection device and a detection method thereof. The chain saw guide plate flatness detection device comprises a conveying frame, and a chain plate conveying belt used for conveying a chain saw guide plate is installed on the conveying frame; the auxiliary conveying assemblies are mounted on the chain plate conveying belt and used for positioning a chain saw guide plate; and the detection mechanism is arranged on the motion path of the auxiliary conveying assembly and comprises a first distance measuring head and a second distance measuring head which are arranged in a front-back staggered mode, and the first distance measuring head is fixedly arranged on a sliding rod capable of moving longitudinally. According to the invention, whether the surface of the to-be-detected object is uneven or has foreign matters can be distinguished, the condition that the foreign matters exist on the surface is detected, whether the surface of the object is damaged by the foreign matters can be further detected, and the detection accuracy and the product quality are improved.

The utility model discloses a high protection four -stroke gasoline engine chain saw, including chain saw, the rear part fixed connection of chain saw has the elbow support, the inner frame drive part of chain saw is installed with chain wheel, the side of chain saw is installed with installation cylinder, installation cylinder and chain wheel are in same horizontal plane, the outer wall fixed connection of installation cylinder has the cavity cylinder. This one kind high protection four -stroke gasoline engine chain saw, the eccentric part one and eccentric part two of hoop upper and lower part connection cooperate with fixed block to be in the pushing of push cylinder, and hoop will drive the rotation of gear no.

A remote-controlled chainsaw comprises fixing means e.g., a chain 2, attached to a triangular baseplate for fixing to a tree 1. One or more supports 3 are connected to the chain 2 and a pair of rails 4 is mounted on the supports 3 with a control platform 7 movably mounted on the rails 4. There may be a separate chain tensioner. A chainsaw holder 5a is mounted on the control platform 7 and a chainsaw 5 is connected to the holder, with a chainsaw blade 6 extending therefrom. A motor moves the control platform 7 relative to the pair of rails 4 to effect cutting the tree. Following an initial partial cut, the rails may be manually or motor tilted about a horizontal axis 10 to enable an inclined cut to form a notch or birdmouth in the tree stem. The saw may then be rotated and moved on the rails to the other side of the tree to perform a felling cut. Allows remote cutting to improve safety when felling diseased trees e.g., with chalara, ash-dieback without the need for heavy equipment.

The utility model discloses an electric chain saw which comprises a machine shell, a gear box, an oil pump, an oil tank, an oil inlet pipe, a guide plate and an oil outlet pipe. The gear box is installed in the machine shell and comprises a gear box shell, an installation table is arranged on the gear box shell and comprises a planar first installation part, and an included angle is formed between the plane where the first installation part is located and the plane where the top wall of the gear box shell is located; the oil pump is fixedly mounted on the mounting table, penetrates through the first mounting part, is at least partially inserted into the gearbox and is in linkage mounting with the gearbox; the oil tank is installed in the machine shell. The oil inlet pipe communicates with the oil tank; the guide plate is installed on the machine shell. The oil outlet pipe communicates with the oil pump and the guide plate. According to the invention, the probability of oil leakage can be reduced.

The utility model discloses a chain saw. The chainsaw includes: a housing; the motor is supported by the machine shell and comprises a motor shaft and a motor bearing arranged on the motor shaft in a sleeving mode. The chain is driven by the motor to execute cutting; the guide plate is used for supporting and guiding the chain; the distance between the motor bearing close to the guide plate side and the plane where the guide plate is located is smaller than or equal to 18 mm in the axis direction of the motor shaft.

This invention provides a work machine that improves convenience. The chainsaw body (10) has a body-side mounting section (12C), on which a body-side terminal unit (40) is provided. The body-side terminal unit (40) is connected to a motor (14) (controller (50)) via a first power path (52) and a second power path (54). A body-side switch (30) is provided in the first power path (52), which, through operation by the operator, switches the first power path (52) to an on or off state. Thus, depending on the mounting components assembled in the body-side mounting section (12C), the first power path (52) or the second power path (54) can be used separately, thereby enabling or disabling the operation of the body-side switch (30) (body-side trigger (28)). As a result, the convenience for the operator is improved.