CN214206655U - Portable chain saw - Google Patents

Abstract

The utility model relates to a portable chain saw, locking mechanical system is used for locking the rotation regulation button, set up trigger and anti-auto-lock button on the gripping handle, the trigger is used for locking rotation regulation button or switch on and starts the chain saw, anti-auto-lock button is used for locking rotation regulation button or trigger, when the rotation regulation button is not locked, the relative chain saw mechanism of gripping handle is rotatory, adjust the angle between gripping handle and the cutting plane, the rotation regulation button forms the interlocking with at least one in anti-auto-lock button and the trigger, ensure that the chain saw has and only a state appears in running state and the gripping handle rotational motion state. The utility model provides a portable chain saw avoids the region that the cutting back branch fell completely, cuts the branch of trunk reverse side safely conveniently, solves the inconvenience that conventional chain saw operator is difficult for being close to and is carried out the reverse side operation by the cutting thing, and during the cutting bush root, ground is kept away from to the hand, avoids the scotch, and the cutting plane more pastes ground, and the cutting stump can reach and flush, operates more in a flexible way, safety.

Description

Portable chain saw

Technical Field

The utility model belongs to the technical field of handheld chain saw, concretely relates to portable chain saw.

Background

At present, the handles of most chain saws are fixed, the angle of the handles cannot be adjusted, the positions of operators are relatively fixed during cutting, the operation on the ground or narrow space is not facilitated, and the cutting is also not facilitated to find a safer position. Meanwhile, in terms of cutting quality, two cutting surfaces of the existing chain saw cannot be close to the ground effectively, so that the left stump is higher, or the stump is in a sharp inclined shape, personal safety of an operator is threatened, and the stump can influence safety of other people if not disposed in time.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model aims to provide a portable chain saw.

In order to realize the above purpose, reach above-mentioned technological effect, the utility model discloses a technical scheme be:

a portable chainsaw comprising a chainsaw body, the chainsaw body comprising:

the chain sawing mechanism is used for realizing cutting operation;

rotating the adjusting button;

the electric chain saw comprises a holding handle, a rotating adjusting button and a reverse self-locking button, wherein the holding handle is provided with a trigger and the reverse self-locking button, the trigger is used for locking the rotating adjusting button or switching on a power supply and starting the chain saw, and the reverse self-locking button is used for locking the rotating adjusting button and/or the trigger;

the locking mechanism is arranged on the saw chain mechanism and/or the holding handle and is used for matching with a trigger and/or a reverse self-locking button to lock the rotary adjusting button;

when the rotation adjusting button is locked, the holding handle cannot rotate and adjust relative to the saw chain mechanism, the position of the holding handle is fixed, and when the rotation adjusting button is not locked, the holding handle rotates and adjusts relative to the saw chain mechanism and is used for adjusting the angle between the holding handle and the cutting surface;

the rotational adjustment knob interlocks with at least one of the anti-self-locking knob and the trigger to ensure that only one of the operating state and the rotational movement state of the grip handle of the chain saw is present.

Furthermore, the saw chain mechanism comprises a supporting guide plate, a power mechanism, a driving chain wheel and a transmission mechanism, a saw chain is arranged in a groove formed in the supporting guide plate and meshed with the driving chain wheel, the power mechanism is connected with the driving chain wheel through the transmission mechanism, and the driving chain wheel is controlled by the power mechanism to drive the saw chain to perform cutting operation.

Furthermore, a power switch connected with a power mechanism on the saw chain mechanism is further arranged on the holding handle, and when the trigger presses the power switch to switch on or off the power supply, only one state of the chain saw exists in the running state and the rotatable motion state of the holding handle.

Further, when the trigger is in a natural release state, the power switch on the holding handle is switched off, the chain saw is not powered on and is not started, the rotation adjusting button is not locked by the trigger, the anti-self-locking button and the locking mechanism at the moment, the holding handle rotates and adjusts relative to the chain saw mechanism and is used for adjusting the angle between the holding handle and the cutting surface, the trigger cannot be operated in the rotation process, and the chain saw is kept in a non-starting state.

Furthermore, when the trigger is in a pressing operation state, the trigger presses a power switch on the holding handle to switch on a power supply, the chain saw is in a running state, the top of the trigger is abutted to the bottom of the rotary adjusting button, the rotary adjusting button is locked by the trigger and the locking mechanism, the holding handle is in a locking state and cannot perform rotary adjusting movement relative to the chain saw mechanism, and the position of the holding handle is fixed.

Further, when the anti-self-locking button is in a natural release state, the trigger is locked, the chain saw is not powered on and is not started, the rotation adjusting button is not locked by the trigger, the anti-self-locking button and the locking mechanism at the moment, the holding handle rotates and adjusts relative to the chain saw mechanism and is used for adjusting the angle between the holding handle and the cutting surface, the anti-self-locking button cannot be operated in the rotation process of the holding handle, and the chain saw is kept in a non-starting state.

Furthermore, when the anti-self-locking button is pressed to a trigger releasing state, the power switch on the holding handle is controlled by the trigger to switch on or off the power supply, so that the chain saw is controlled to start and stop.

Furthermore, when the anti-self-locking button is pressed to a trigger releasing state, when a power switch on the holding handle is controlled by the trigger to be powered on, the chain saw is started, the anti-self-locking button is abutted against the bottom of the rotation adjusting button, the anti-self-locking button and the locking mechanism lock the rotation adjusting button together, the holding handle is in a locking state at the moment, the holding handle cannot rotate and adjust relative to the chain saw mechanism, and the position of the holding handle is fixed.

Further, set up the bellying with locking mechanical system looks adaptation on the rotation regulation button, realize the locking of rotation regulation button through locking mechanical system joint bellying, still set up conflict portion on the rotation regulation button, set up at least one on the anti-auto-lock button and conflict spacing portion of looks adaptation, through spacing portion butt conflict portion realizes the locking of rotation regulation button.

Further, set up the bellying with locking mechanical system looks adaptation on the rotation regulation button, realize the locking of rotation regulation button through locking mechanical system joint bellying, still set up conflict portion on the rotation regulation button, set up the face on the anti-auto-lock button relatively and with conflict portion adaptation two transition connection's spacing portion, through spacing portion butt conflict portion realizes the locking of rotation regulation button.

Furthermore, a reset elastic piece is arranged between the rotary adjusting button and the holding handle and/or between the rotary adjusting button and the saw chain mechanism, and the reset elastic piece is a spring.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a portable chain saw, including the chain saw body, the chain saw body includes: a chain saw mechanism; a locking mechanism for locking the rotation adjusting knob; the electric chain saw comprises a holding handle, a rotating adjusting button, a power supply and a chain saw, wherein a trigger and an anti-self-locking button are arranged on the holding handle, the trigger is used for locking the rotating adjusting button or switching on the power supply and starting the chain saw, and the anti-self-locking button is used for locking the rotating adjusting button or the trigger; the rotating adjusting button is used for rotating and adjusting the holding handle relative to the saw chain mechanism when not locked, and is used for adjusting the angle between the holding handle and the cutting surface; the rotation of the knob in interlock with at least one of the anti-self-locking knob and the trigger ensures that only one of the operating state and the state of rotatable movement of the grip handle of the chain saw is present. The portable chain saw provided by the utility model completely avoids the area where the branches fall off after cutting, especially can hide behind the trunk when a feller works on the tree, safely and conveniently cuts the branches on the back side of the trunk, and the operation is more flexible and convenient; the inconvenience that a conventional chain saw operator is not easy to approach one side of a cut object to carry out reverse operation is solved, the accessibility is improved, the operation is safer, when the root of a shrub is cut, a hand can be far away from the ground, the scratching is avoided, the cutting surface is more attached to the ground, and the cut stump can be leveled.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIGS. 2-4 are schematic views of the gripping handle of the present invention in different angular positions, respectively;

fig. 5 to 6 are schematic structural views of the trigger of embodiment 1 of the present invention when the rotation knob is not locked in the natural release state;

fig. 7 is a schematic view of the grip handle of embodiment 1 of the present invention rotated to different angular positions; wherein, fig. 7a is a schematic structural view of the holding handle of embodiment 1 of the present invention after rotating to the right with respect to the saw chain mechanism, fig. 7b is a schematic structural view of the holding handle of embodiment 1 of the present invention when not rotating, and fig. 7c is a schematic structural view of the holding handle of embodiment 1 of the present invention after rotating to the left with respect to the saw chain mechanism;

fig. 8 is a schematic structural view of the rotation adjustment button of embodiment 1 of the present invention when the trigger is in a push-down operation state;

fig. 9 is a schematic structural view of the anti-self-locking button according to embodiment 1 of the present invention when the rotation adjusting button is not locked when the anti-self-locking button is in a natural release state; FIGS. 9a-9b are schematic structural views of the rotary knob when it is unlocked; fig. 9c is a diagram showing the positional relationship between the anti-self-locking button and the rotation adjusting button when the anti-self-locking button is in a natural release state;

fig. 10 is a partial enlarged view of the position relationship between the anti-self-locking button and the rotary adjusting button when the anti-self-locking button is in a natural release state in fig. 9 according to the present invention;

fig. 11 is a schematic view of the grip handle in different angular positions when the anti-self-locking button of embodiment 1 of the present invention is in a natural release state; wherein, fig. 11a is a schematic structural view of the holding handle of embodiment 1 of the present invention after rotating to the right with respect to the saw chain mechanism, fig. 11b is a schematic structural view of the holding handle of embodiment 1 of the present invention when not rotating, and fig. 11c is a schematic structural view of the holding handle of embodiment 1 of the present invention after rotating to the left with respect to the saw chain mechanism;

fig. 12 is a schematic structural view of the rotation adjustment button of embodiment 1 of the present invention when the anti-self-locking button is pressed to a trigger release state; FIGS. 12a-12b are schematic views showing the structure of the rotation adjustment button when it is locked; FIGS. 12c-12d are views showing the positional relationship between the anti-lock button and the rotation adjusting button when the anti-lock button is pressed to a trigger releasing state, respectively;

fig. 13 is an enlarged view of fig. 12c according to the present invention;

fig. 14 is an enlarged view of fig. 12d according to the present invention;

fig. 15 to 16 are schematic structural views illustrating the structure of the embodiment 2 of the present invention when the rotation knob is not locked while the trigger is in the natural release state;

fig. 17 is a schematic view of the grip handle according to embodiment 2 of the present invention rotated to different angular positions; wherein, fig. 17a is a schematic structural view of the holding handle of the present invention after rotating to the right relative to the saw chain mechanism according to embodiment 2 of the present invention, fig. 17b is a schematic structural view of the holding handle of the present invention when not rotating, and fig. 17c is a schematic structural view of the holding handle of the present invention after rotating to the left relative to the saw chain mechanism according to embodiment 2 of the present invention;

fig. 18 is a schematic structural view of the rotation adjustment button of embodiment 2 of the present invention when the trigger is in a push-down operation state;

fig. 19 is a schematic structural view of the anti-self-locking button according to embodiment 2 of the present invention when the rotation adjusting button is not locked when the anti-self-locking button is in a natural release state; wherein, FIGS. 19a-19b are schematic structural views of the rotary knob when it is unlocked; FIG. 19c is a schematic view showing the position relationship between the anti-lock button and the rotation adjusting button when the anti-lock button is in a natural release state;

fig. 20 is a schematic view of the grip handle in different angular positions when the anti-lock button of embodiment 2 of the present invention is in a natural release state; wherein, fig. 20a is a schematic structural view of the holding handle of embodiment 1 of the present invention after rotating to the right with respect to the saw chain mechanism, fig. 20b is a schematic structural view of the holding handle of embodiment 2 of the present invention when not rotating, and fig. 20c is a schematic structural view of the holding handle of embodiment 1 of the present invention after rotating to the left with respect to the saw chain mechanism;

fig. 21 is a schematic structural view of the rotation adjustment button of embodiment 2 of the present invention when the anti-self-locking button is pressed to a trigger release state; FIGS. 21a to 21b are schematic views showing the structure of the rotation adjustment button when it is locked; FIGS. 21c to 21d are views showing the positional relationship between the anti-lock button and the rotation adjusting button when the anti-lock button is pressed to a trigger releasing state, respectively;

FIG. 22 is a schematic view of the structure of the holding handle at different angular positions for a cutting operation of the chain saw of the present invention; wherein, fig. 22a is a schematic structural view of the holding handle after rotating to the right relative to the saw chain mechanism of the present invention, and fig. 22b-22c are schematic structural views of the holding handle after rotating to the left relative to the saw chain mechanism of the present invention, respectively;

wherein, 1, a power mechanism; 1-1, a rotation axis; 1-2, a transmission mechanism; 1-3, a driving chain wheel; 1-4, supporting the guide plate; 2. a saw chain; 3. a locking mechanism; 4. a grip handle; 5. a trigger; 6. an anti-self-locking button; 7. rotating the adjusting button; 8. a compression nut; 9. a restoring elastic member; 10. a power switch; 11. a boss portion; 12. a contact part; 13. a limiting part.

Detailed Description

The embodiments of the present invention are described in detail below to make the advantages and features of the present invention easier to understand by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention.

Example 1

As shown in fig. 1-14 and 22, a portable chainsaw includes a chainsaw body including:

the saw chain mechanism is provided with a power mechanism 1, a saw chain 2, a locking mechanism 3, a transmission mechanism 1-2, a driving chain wheel 1-3 and a supporting guide plate 1-4, the saw chain 2 is arranged in a groove formed in the supporting guide plate 1-4, the saw chain 2 is meshed with the driving chain wheel 1-3, the power mechanism 1 is connected with the driving chain wheel 1-3 through the transmission mechanism 1-2 to transmit power, the driving chain wheel 1-3 is controlled through the power mechanism 1 to drive the saw chain 2 to perform cutting operation, and all accessories are installed at proper positions on the saw chain mechanism through a compression nut 8.

The locking mechanism 3 is used for locking the rotation adjusting button 7, so that the holding handle 4 cannot perform rotation movement and further cannot perform angle position adjustment;

the automatic chain saw comprises a holding handle 4, wherein a trigger 5 and a reverse self-locking button 6 are arranged on the holding handle 4, the trigger 5 is used for locking a rotation adjusting button 7 or switching on a power supply and starting the chain saw, and the reverse self-locking button 6 is used for locking the rotation adjusting button 7 and/or the trigger 5;

when the rotating adjusting button 7 is locked, the holding handle 4 cannot rotate and adjust relative to the saw chain mechanism, the holding handle 4 is fixed in position, and when the rotating adjusting button 7 is unlocked, the holding handle 4 rotates and adjusts relative to the saw chain mechanism and is used for adjusting the angle between the holding handle 4 and the cutting surface;

the rotary knob 7 is interlocked with at least one of the counter lock knob 6 and the trigger 5, ensuring that only one of the operating state and the state of the rotatable movement of the grip handle 4 of the chain saw is present.

The holding handle 4 is also provided with a power switch 10 connected with the power mechanism 1 on the saw chain mechanism, and when the trigger 4 presses the power switch 10 to switch on or off the power supply, the chain saw has only one state of the running state and the rotatable motion state of the holding handle 5.

One end of the saw chain mechanism, which is close to the holding handle 4, can be vertically provided with a rotating shaft, so that the holding handle 5 rotates around the rotating shaft relative to the saw chain mechanism, the rotating shaft is used as an independent part, or the rotating shaft is not arranged, and only the rotating shaft 1-1 is required to be formed on the saw chain mechanism, and the holding handle 5 can rotate around the rotating shaft 1-1 relative to the saw chain mechanism leftwards or rightwards.

The bottom of the rotary adjusting knob 7 is provided with a protruding part 11 matched with the locking mechanism 3, the locking mechanism 3 of the embodiment 1 can be designed into a structure such as a meshing tooth or a locking groove arranged on the saw chain mechanism as required, when the protruding part 11 is clamped on the locking mechanism 3, the rotary adjusting knob 7 is locked, the holding handle 4 is in a locking state, and the rotary adjusting movement cannot be carried out.

The opposite side of 7 bottoms of rotary adjusting knob still sets up conflict portion 12, sets up at least one and conflict spacing portion 13 of 12 looks adaptations on the anti-auto-lock button 6, through spacing 13 butt conflict portion 12 realizes rotary adjusting knob 7's locking. More preferably, set up face relative and with conflict 12 looks adaptation two transition connection's spacing portion 13 on the anti-lock knob 6, realize the locking of rotation regulation knob 7 through spacing portion 13 butt conflict portion 12, grip handle 4 is in the locking state this moment, can't carry out the rotation regulation motion, and when conflict portion 12 moved in the space between two spacing portions 13, rotation regulation knob 7 was not locked by spacing portion 13, and grip handle 4 can be rotary motion.

And a reset elastic part 9 is arranged between the rotary adjusting button 7 and the holding handle 4 and/or between the rotary adjusting button 7 and the saw chain mechanism, and the reset elastic part 9 is a spring and is used for realizing reset.

The working principle of the interlocking of the trigger 5 and the rotary adjusting knob 7 is as follows:

trigger state 1:

FIGS. 5 to 6 are schematic structural views of the present embodiment 1 showing the structure in which the rotation knob 7 is not locked when the trigger 4 is in the natural release state;

when the trigger 5 is in a natural release state, the power switch 10 on the holding handle 4 is switched off, the power mechanism 1 is not started, the chain saw is not powered on and is not started, the chain saw cannot perform cutting operation, at the moment, the trigger 5 has no position limitation on the rotation adjusting knob 7, the rotation adjusting knob 7 is in a free adjusting state, the rotation adjusting knob 7 can be operated freely, the rotation adjusting knob 7 is separated from locking engagement of the locking mechanism 3 and the anti-self-locking knob 6, the holding handle 4 is in a rotatable motion state, the position of the holding handle 4 can be adjusted freely, the holding handle 4 can rotate around the rotation axis 1-1 of the holding handle 4 to adjust the angle between the holding handle 4 and a cutting surface, an operator can find a proper cutting angle conveniently, and the reset between the rotation adjusting knob 7 and the holding handle 4 is realized through the reset elastic piece 9.

Trigger state 2:

fig. 8 is a schematic structural view of the rotation adjustment button of embodiment 1 of the present invention when the trigger is in a push-down operation state. When the trigger 5 is in a pressing operation state, the rotation adjusting knob 7 can be limited to a locking state, and at this time, the grip handle 4 cannot be adjusted freely and is fixed in position.

The power switch 10 switch on the trigger 5 presses the gripping handle 4, the chain saw is in the running state, the top of the trigger 5 is abutted to the bottom of the rotary adjusting button 7, the rotary adjusting button 7 is locked, the boss 11 on the rotary adjusting button 7 is clamped on the locking mechanism 3, and then the locking of the rotary adjusting button 7 is realized, as the mark in a black circle in fig. 8, the gripping handle 4 is in the locking state at the moment, the angle position can not be adjusted, the safety accident caused by the position of the gripping handle 5 due to misoperation when the saw chain runs is avoided, and the use safety is improved.

The working principle that the anti-self-locking button 6 and the rotary adjusting button 7 are interlocked is as follows:

anti-lock button state 1:

fig. 9 is a schematic structural view of the present embodiment 1 when the rotation adjusting knob 7 is not locked when the anti-self-locking knob 6 is in the natural release state. When the anti-self-locking button 6 is in a natural release state, the trigger 5 is locked, the trigger 5 is in a natural release state, the chain saw is not powered on and is not started, the limiting part 13 of the anti-self-locking button 6 cannot limit the movement of the rotary adjusting button 7 at the moment, the holding handle 4 is in a rotary movement state at the moment and is used for adjusting the angle between the holding handle 4 and a cutting surface, the anti-self-locking button 6 cannot be operated in the rotary process, and the chain saw is not powered on and started.

Anti-lock button state 2:

when the anti-self-locking button 6 is pressed to a trigger releasing state, the trigger 5 can be flexibly operated, and the power switch 10 on the holding handle 4 is controlled to be switched on or off through the trigger 5 so as to control the on and off of the hand-held chain saw.

Fig. 12 is a schematic structural view of the present embodiment 1 showing the state where the rotation knob 7 is locked when the anti-lock knob 6 is pressed to the release trigger state. When the anti-self-locking button 6 is pressed to a trigger releasing state, when the power switch 10 on the holding handle 4 is controlled by the trigger 5 to be powered on, the chain saw is started, at the moment, cutting operation can be carried out, the limiting part 13 of the anti-self-locking button 6 is abutted to the abutting part 12 at the bottom of the rotary adjusting button 7, at the moment, the locking mechanism 3, the trigger 5 and the anti-self-locking button 6 lock the rotary adjusting button 7 together, the movement of the rotary adjusting button 7 is limited, the rotary adjusting button 7 cannot be operated normally after being locked, the rotary adjusting button is always in a locking position, the top of the trigger 5 is abutted to the bottom of the rotary adjusting button 7, at the moment, the holding handle 4 is in a locking state, the holding handle 4 cannot carry out any adjusting action, but the chain saw is in a normal operation state, and the use safety in the cutting process is ensured.

The utility model discloses a rotation regulation button 7 can be followed and grip handle 4 is rotatory together, also can design not to follow and grip handle 4 and rotate together, and rotation regulation button 7 rotary motion also can carry out translation motion, only needs to ensure that locking mechanical system 3 can lock rotation regulation button 7 and can be through the locking of rotation regulation button 7 whether control grip handle 4 can saw chain mechanism relatively carry out rotary motion.

The utility model discloses a handheld chain saw when cutting branch etc. can select suitable cutting angle through the angle of adjusting 4 relative cutting planes of gripping handle according to actual demand, avoids cutting things such as the branch that drops completely, still can carry out reverse side operation, presses close to ground cutting more, as shown in fig. 22, and the approachability is strong, and practical value is high.

Example 2

As shown in fig. 15 to 21, a portable chainsaw includes a chainsaw body including:

the chain sawing mechanism is used for realizing cutting operation;

a lock mechanism for locking the rotation adjusting knob 7;

the automatic chain saw comprises a holding handle 4, wherein a trigger 5 and a reverse self-locking button 6 are arranged on the holding handle 4, the trigger 5 is used for locking a rotary adjusting button 7 or switching on a power supply and starting the chain saw, and the reverse self-locking button 6 is used for locking the rotary adjusting button 7 or the trigger 5;

when the rotating adjusting button 7 is locked, the holding handle 4 cannot rotate and adjust relative to the saw chain mechanism, the holding handle 4 is fixed in position, and when the rotating adjusting button 7 is unlocked, the holding handle 4 rotates and adjusts relative to the saw chain mechanism and is used for adjusting the angle between the holding handle 4 and the cutting surface;

the rotary knob 7 is interlocked with at least one of the counter lock knob 6 and the trigger 5, ensuring that only one of the operating state and the state of rotatable movement of the grip handle of the chain saw is present.

The saw chain mechanism comprises a supporting guide plate 1-4, a power mechanism 1, a driving chain wheel 1-3 and a transmission mechanism 1-2, a saw chain 2 is arranged in a groove formed in the supporting guide plate 1-4, the saw chain 2 is meshed with the driving chain wheel 1-3, the power mechanism 1 is connected with the driving chain wheel 1-3 through the transmission mechanism 1-2, and the driving chain wheel 1-3 is controlled by the power mechanism 1 to drive the saw chain 2 to perform cutting operation.

The holding handle 4 is also provided with a power switch 10 connected with the power mechanism 1 on the saw chain mechanism, and when the trigger 5 presses the power switch 10 to switch on or off the power supply, the chain saw has only one state of the running state and the rotatable motion state of the holding handle.

Set up on the knob 7 (top) of rotation regulation and with the bellying 11 of locking mechanical system 3 looks adaptation, locking mechanical system 3 is for setting up the groove structure of setting up on saw chain mechanism, gripping handle 4 with 7 adaptations of rotation regulation knob, and when the 11 joints of bellying were on locking mechanical system 3, rotation regulation knob 7 was locked, and gripping handle 4 was in the locking state, can't carry out the rotation regulation motion.

Still set up conflict portion 12 on the knob 7 (bottom) of rotation regulation, set up face-to-face on the anti-auto-lock knob 6 relative and with conflict portion 12 two transitional coupling's of looks adaptation spacing portion 13, realize the locking of knob 7 of rotation regulation through spacing 13 butt conflict portion 12, the handle 4 of gripping this moment is in the locking state, can't carry out the rotation regulation motion, when conflict portion 12 moves in the space between two spacing portions 13, knob 7 of rotation regulation is not locked by spacing portion 13, the handle of gripping 4 can be rotary motion.

Fig. 15 to 17 are schematic structural views of the present embodiment 2 in which the rotation knob 7 is not locked when the trigger 5 is in the natural release state. When the trigger 5 is in a natural release state, the power switch 10 on the holding handle 4 is switched off, the chain saw is not powered on and is not started, the rotation adjusting button 7 is not locked by the trigger 5, the anti-self-locking button 6 and the locking mechanism 3, the holding handle 4 rotates around the central axis of the rotation adjusting button 7 relative to the chain saw mechanism to adjust the angle between the holding handle 4 and the cutting surface, the trigger 5 cannot be operated in the rotation process, and the chain saw keeps in a non-starting state.

Fig. 18 is a schematic structural diagram of the embodiment 2 when the rotation adjusting knob 7 is locked when the trigger 5 is in the pressing operation state, the trigger 5 presses the power switch 10 on the grip handle 4 to turn on the power, the chain saw is in the running state, the top of the trigger 5 abuts against the bottom of the rotation adjusting knob 7, the rotation adjusting knob 7 is locked by the trigger 5 and the locking mechanism 3, the grip handle 4 is in the locking state and cannot perform the rotation adjusting movement relative to the chain saw mechanism, and the position of the grip handle 4 is fixed.

Fig. 19 to 20 are schematic structural views illustrating the structure of the present embodiment 2 when the anti-self-locking button 6 is in the natural release state and the rotation adjusting button 7 is not locked, when the anti-self-locking button 6 is in the natural release state, the trigger 5 is locked, the trigger 5 is in the natural release state, the chain saw is not powered on and is not started, at this time, the rotation adjusting button 7 is not locked by the trigger 5, the anti-self-locking button 6 and the locking mechanism 3, the grip handle 4 performs the rotation adjusting motion relative to the chain saw mechanism, so as to adjust the angle between the grip handle 4 and the cutting surface, and the anti-self-locking button 6 cannot be operated during the rotation of the grip handle 4, so that the chain saw remains in the non-start state.

When the anti-self-locking button 6 is pressed to a trigger releasing state, the power switch 10 on the holding handle 4 is controlled by the trigger 5 to be switched on or off for controlling the start and stop of the chain saw. Fig. 21 is a schematic structural diagram of the present embodiment 2 when the anti-lock button 6 is pressed to the trigger releasing state, and the rotation adjusting button 7 is locked, when the anti-lock button 6 is pressed to the trigger releasing state, and the trigger 5 controls the power switch 10 on the grip handle 4 to switch on, the chain saw is started, the limiting portion 13 of the anti-lock button 6 abuts against the abutting portion 12 at the bottom of the rotation adjusting button 7, the anti-lock button 6 and the locking mechanism 3 realize the locking of the rotation adjusting button 7 by locking the protruding portion 11 and the abutting portion 12, at this time, the grip handle 4 is in the locking state, the grip handle 4 cannot perform the rotation adjusting motion relative to the chain saw mechanism, and the position of the grip handle 4 is fixed.

The same as in example 1.

The parts not specifically described in the present invention, including the power mechanism 1, the saw chain 2, the transmission mechanism 1-2, etc., adopt the prior art or the existing product can, if the power mechanism 1 adopts the motor, the transmission mechanism 1-2 adopts the driving gear, it and the saw chain 2 adaptation, do not need to be repeated here.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A portable chainsaw comprising a chainsaw body, the chainsaw body comprising:

the chain sawing mechanism is used for realizing cutting operation;

rotating the adjusting button;

the electric chain saw comprises a holding handle, a rotating adjusting button and a reverse self-locking button, wherein the holding handle is provided with a trigger and the reverse self-locking button, the trigger is used for locking the rotating adjusting button or switching on a power supply and starting the chain saw, and the reverse self-locking button is used for locking the rotating adjusting button and/or the trigger;

the locking mechanism is arranged on the saw chain mechanism and/or the holding handle and is used for matching with a trigger and/or a reverse self-locking button to lock the rotary adjusting button;

when the rotation adjusting button is locked, the holding handle cannot rotate and adjust relative to the saw chain mechanism, the position of the holding handle is fixed, and when the rotation adjusting button is not locked, the holding handle rotates and adjusts relative to the saw chain mechanism and is used for adjusting the angle between the holding handle and the cutting surface;

the rotational adjustment knob interlocks with at least one of the anti-self-locking knob and the trigger to ensure that only one of the operating state and the rotational movement state of the grip handle of the chain saw is present.

2. The portable chain saw as recited in claim 1, wherein the saw chain mechanism comprises a supporting guide plate, a power mechanism, a driving sprocket and a transmission mechanism, a saw chain is disposed in a groove formed in the supporting guide plate, the saw chain is engaged with the driving sprocket, the power mechanism is connected with the driving sprocket through the transmission mechanism, and the power mechanism controls the driving sprocket to drive the saw chain to perform a cutting operation.

3. The portable chain saw of claim 1, wherein the handle is further provided with a power switch connected to a power mechanism of the saw chain mechanism, and when the trigger presses the power switch to turn on or off the power supply, the chain saw is operated in only one of the operating state and the rotational movement state of the handle.

4. A portable chain saw according to claim 1, wherein when the trigger is in the natural release position, the power switch on the handle is off and the chain saw is not powered and is not actuated, and the rotation knob is not locked by the trigger, the anti-lock knob and the locking mechanism, and the handle is moved in a rotational adjustment relative to the chain mechanism to adjust the angle between the handle and the cutting surface, and wherein the trigger is inoperable during rotation and the chain saw remains inactive.

5. The portable chain saw of claim 1, wherein when the trigger is in the depressed position, the trigger depresses a power switch on the grip handle to turn on the power supply, the chain saw is in the run position, the top of the trigger abuts the bottom of the knob, the knob is locked by the trigger and the locking mechanism, the grip handle is locked and cannot be rotationally adjusted relative to the chain saw mechanism, and the grip handle is fixed in position.

6. The portable chain saw of claim 1, wherein the anti-lock button is in a natural release state, the trigger is locked, the chain saw is not powered on and is not started, the rotation adjustment button is not locked by the trigger, the anti-lock button and the locking mechanism, the grip handle performs a rotation adjustment movement relative to the chain saw mechanism for adjusting an angle between the grip handle and the cutting surface, and the anti-lock button is not operable during rotation of the grip handle, and the chain saw remains in a non-start state.

7. The portable chain saw of claim 1, wherein the anti-self-locking button is pressed to a trigger release state, and a power switch on/off on the grip handle is controlled by the trigger to switch on/off the power supply, so as to control start and stop of the chain saw.

8. The portable chain saw of claim 7, wherein when the anti-lock button is pressed to a trigger release state, and a power switch on the trigger control grip handle is turned on, the chain saw is started, the anti-lock button abuts against a bottom of the rotation adjustment knob, the anti-lock button and the locking mechanism lock the rotation adjustment knob together, and at this time, the grip handle is in a locked state, the grip handle cannot perform rotation adjustment movement relative to the chain saw mechanism, and the grip handle is fixed in position.

9. The portable chain saw of claim 1, wherein the rotation knob is provided with a protrusion adapted to the locking mechanism, the rotation knob is locked by the locking mechanism engaging with the protrusion, the rotation knob is further provided with an abutting portion, the anti-self-locking knob is provided with at least one limiting portion adapted to the abutting portion, and the anti-self-locking knob is locked by the abutting portion.

10. The portable chain saw of claim 1, wherein a return spring is disposed between the knob and the handle and/or between the knob and the chain mechanism, and the return spring is a spring.

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