CN214206654U - Handheld chain saw - Google Patents
Handheld chain saw Download PDFInfo
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- CN214206654U CN214206654U CN202023133033.3U CN202023133033U CN214206654U CN 214206654 U CN214206654 U CN 214206654U CN 202023133033 U CN202023133033 U CN 202023133033U CN 214206654 U CN214206654 U CN 214206654U
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- saw
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- chain saw
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Abstract
The utility model discloses a hand-held chain saw, which comprises a chain saw mechanism; a grip handle; adjusting a knob; when the adjusting knob and the locking mechanism are interlocked, the holding handle and the saw chain mechanism do not move relatively; at least one knob control switch; the adjusting knob controls the knob control switch; when the holding handle is rotatably adjusted around the rotation axis relative to the chain saw mechanism, the knob control switch cuts off the circuit of the holding chain saw, and only one state of the holding chain saw in the running state and the rotation adjusting state of the holding handle is ensured. The utility model provides a hand-held chain saw, which completely avoids the area where the branches fall off after cutting, can hide at the back of the trunk for cutting, and safely and conveniently cuts the branches on the back of the trunk; the problem of the inconvenience that the operator of conventional chain saw is difficult to be close to by cutting thing one side and carry out reverse side operation is solved, improve approachability, operate safelyr, when cutting bush root, the cutting plane is more ground, avoids the scotch, and the cutting stump can reach and level.
Description
Technical Field
The utility model belongs to the technical field of handheld chain saw, concretely relates to handheld chain saw.
Background
At present, 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 operators are not beneficial to cutting the ground or operating in narrow space, and the operators are also not beneficial to finding safer positions for cutting. 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 purpose of the utility model is to provide a handheld chain saw.
In order to realize the above purpose, reach above-mentioned technological effect, the utility model discloses a technical scheme be:
a hand-held chainsaw comprising a chainsaw body, the chainsaw body comprising:
the chain sawing mechanism is used for realizing cutting operation;
the electric chain saw comprises a holding handle, a handle and a handle, wherein a trigger and a power switch are arranged on the holding handle, and the power switch is controlled to be switched on or switched off by switching on or off the trigger;
adjusting a knob;
the locking mechanism is interlocked with the adjusting knob, and the holding handle and the saw chain mechanism do not move relatively;
at least one knob control switch;
the adjusting knob controls at least one knob control switch for switching on or off a circuit of the hand-held chain saw;
when the holding handle is rotatably adjusted around the rotation axis relative to the chain saw mechanism, the knob control switch cuts off the circuit of the hand-held chain saw, and only one state of the operation state of the hand-held chain saw and the rotation adjusting state of the holding handle is ensured.
Furthermore, saw chain mechanism includes support baffle, power unit, driving sprocket and drive mechanism, set up the saw chain in the recess that sets up on the support baffle, the saw chain meshes with driving sprocket mutually, power unit is connected with switch and knob control switch, controls opening and close of power unit through switch and knob control switch, and power unit passes through drive mechanism and connects driving sprocket, controls driving sprocket through power unit and drives the saw chain and carry out the cutting operation.
Furthermore, the power mechanism is a motor, and the transmission mechanism is a transmission gear matched with the saw chain.
Furthermore, the power mechanism supplies power through a direct current power supply or an alternating current power supply.
Furthermore, the adjusting knob is provided with a reset elastic piece with certain elasticity and used for realizing reset, and one end of the adjusting knob is arranged on the holding handle.
Further, the elastic restoring piece is a spring.
Furthermore, locking mechanical system is for with adjust knob looks adaptation and set up the locking groove on saw chain mechanism.
Furthermore, when the adjusting knob is in a natural locking state, the adjusting knob is locked by the locking mechanism, the adjusting knob controls the knob control switch to be normally on, and the power switch is controlled to be switched on or switched off through the on or off trigger to switch on or switch off a circuit of the handheld chain saw, so that the starting and stopping of the handheld chain saw are controlled.
Furthermore, when the adjusting knob is in an operation release state, the adjusting knob is separated from the locking of the locking mechanism, the holding handle rotates around the rotation axis relative to the chain saw mechanism to perform adjustment movement, the adjusting knob controls the knob to control the switch to be switched off, the circuit of the handheld chain saw is cut off, and the handheld chain saw is in a stop operation state.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a hand-held chain saw, which comprises a chain saw mechanism used for realizing cutting operation; the hand-held chain saw comprises a holding handle, wherein a trigger and a power switch are arranged on the holding handle, and the power switch is controlled to be switched on or switched off by switching on or off the trigger; adjusting a knob; when the adjusting knob and the locking mechanism are interlocked, the holding handle and the saw chain mechanism do not move relatively; at least one knob control switch; the adjusting knob controls at least one knob control switch for switching on or off the circuit of the hand-held chain saw; when the holding handle is rotatably adjusted around the rotation axis relative to the chain saw mechanism, the knob control switch cuts off the circuit of the holding chain saw, and only one state of the holding chain saw in the running state and the rotation adjusting state of the holding handle is ensured. The utility model provides a hand-held chain saw completely avoids the area that the branch fell after cutting, especially can hide behind the trunk when the lumberjack is operated on the tree, cuts the branch of the reverse side of trunk safely and conveniently, the operation is more flexible, convenient; the inconvenience that a conventional chain saw operator is not easy to get close to one side of a cut object to carry out reverse side operation is solved, the accessibility of cutting of the handheld chain saw is improved, the operation is safer, when the root of a shrub is cut, a hand can be far away from the ground, scratching is avoided, a cutting surface is more attached to the ground, and a cut stump can be flushed.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a plan view of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of an adjusting knob according to embodiment 1 of the present invention in a natural locking state;
fig. 4 is a schematic structural view of the grip handle according to embodiment 1 of the present invention in a rotation adjustment state when the adjustment knob is not locked;
fig. 5 is a schematic structural view of the grip handle according to embodiment 1 of the present invention in a rotation adjustment state; fig. 5a is a schematic structural view illustrating a structure in which the holding handle of embodiment 1 of the present invention is rotated to the right with respect to the saw chain mechanism; fig. 5b is a schematic view of an initial structure of the grip handle according to embodiment 1 of the present invention when the grip handle is not rotationally adjusted; fig. 5c is a schematic structural view of the holding handle of embodiment 1 of the present invention rotating to the left relative to the saw chain mechanism;
fig. 6 is a schematic structural view of an adjusting knob according to embodiment 2 of the present invention in a natural locking state;
fig. 7 is a schematic structural view of the grip handle according to embodiment 2 of the present invention in a rotation adjustment state when the adjustment knob is not locked;
fig. 8 is a circuit diagram of the power mechanism, the knob control switch and the power switch under the dc power supply of the present invention;
fig. 9 is a circuit diagram of the power mechanism, the knob control switch and the power switch under the ac power supply according to the present invention;
FIGS. 10a-10c are schematic views of the hand-held chain saw of the present invention with the handle at different angular positions for cutting operations;
wherein, 1, a power mechanism; 1-1, a rotation axis; 1-2, a transmission mechanism; 1-3, a driving chain wheel; 2. a saw chain; 3. a locking mechanism; 4. a grip handle; 5. a trigger; 6. supporting the guide plate; 7. adjusting a knob; 8. a knob control switch; 9. a restoring elastic member; 10. and a power switch.
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. 1-5 and 8-10, a hand-held chainsaw includes a chainsaw body including:
the chain sawing mechanism is used for realizing cutting operation; the saw chain mechanism comprises a power mechanism 1, a transmission mechanism 1-2, driving chain wheels 1-3 and a supporting guide plate 6, a saw chain 2 is arranged in a groove formed in the supporting guide plate 6, the saw chain 2 is meshed with the driving chain wheels 1-3, the power mechanism 1 is connected with the driving chain wheels 1-3 through the transmission mechanism 1-2 to transmit power, the power switch 10 controls the power mechanism 1 to be opened and closed, the driving chain wheels 1-3 are 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 compression nuts;
the electric chain saw comprises a holding handle 4, a trigger 5 and a power switch 10 are arranged on the holding handle 4, a power mechanism 1 is connected with the power switch 10, the power switch 10 is controlled to be switched on or off through the trigger 5, and the purpose of controlling the on and off of the hand-held chain saw is achieved;
an adjusting knob 7;
the locking mechanism 3 is matched with the adjusting knob 7 and used for locking the adjusting knob 7, when the locking mechanism 3 and the adjusting knob 7 are interlocked, no relative motion exists between the holding handle 4 and the saw chain mechanism, and the holding handle 4 cannot rotate relative to the saw chain mechanism for adjusting motion;
a knob control switch 8, which can be arranged on the holding handle 4;
the adjusting knob 7 controls the state of the knob control switch 8, and when the holding handle 4 is rotationally adjusted around the rotation axis 1-1 relative to the chain saw mechanism, the knob control switch 8 disconnects and cuts off the circuit of the hand-held chain saw, thereby ensuring that the hand-held chain saw is in the running state and the holding handle 4 is in the rotationally adjusted state, and only one state exists.
The adjusting knob 7 is provided with a return spring 9, the return spring 9 preferably being a spring.
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 4 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 4 can rotate around the rotating shaft 1-1 relative to the saw chain mechanism leftwards or rightwards.
Locking mechanical system 3 is for the locking groove with the mutual adaptation of adjust knob 7 and set up on the saw chain mechanism, and 7 bottom one side of adjust knob set up with the bellying of 3 looks adaptations of locking mechanical system, and when the bellying joint was on locking mechanical system 3, adjust knob 7 was locked, and grip handle 4 is in the locking state, can't carry out the rotation regulation motion. The locking mechanism 3 of the embodiment 1 may be designed as a structure such as engaging teeth or a locking boss provided on the chain saw mechanism as required.
The position of the holding handle 4 is adjustable after the power-off is realized by the adjusting knob 7 and the control knob switch 8:
when the adjusting knob 7 is in a natural locking state, the adjusting knob 7 is locked by the locking mechanism 3, the adjusting knob 7 controls the knob control switch 8 to be in a normally-on state, the switch trigger 5 can realize normal start-stop control of the handheld chain saw, and particularly the switch trigger 5 controls the on-off of the power switch 10 to realize start-stop control of the handheld chain saw, as shown in fig. 3.
When the adjusting knob 7 is unlocked from the locking mechanism 3, the adjusting knob 7 is in an operation releasing state, and the adjusting knob 7 moves to the holding handle 4 and can rotate around the rotation axis 1-1 relative to the chain saw mechanism to adjust, correspondingly, the knob control switch 8 is switched off, the whole circuit of the hand-held chain saw is cut off, the whole electric circuit is switched off, the power mechanism 1 is not started, the saw chain 2 stops moving and can not completely cut, at the moment, the power switch 10 does not work on the hand-held chain saw, the trigger 5 can not start the hand-held chain saw, but the holding handle 4 can rotate to adjust the angle position under the safety state that the hand-held chain saw does not run, as shown in fig. 4-5.
The power mechanism 1 of this embodiment 1 is a motor, and can be powered by a dc power supply or an ac power supply, and when the ac power supply is used for power supply, the circuit diagrams of the motor, the knob control switch 8 and the power switch 10 are shown in table 8; when a direct-current power supply is adopted for supplying power, the circuit diagrams of the motor, the knob control switch 8 and the power switch 10 are shown in a table 9, and at the moment, a control panel is also required to be connected to a circuit of the handheld chain saw for overcurrent and over-discharge protection; when the adjusting knob 7 is in a natural locking state, the adjusting knob 7 controls the knob control switch 8 to be in a normally-on state, the switch of the power switch 10 directly influences starting and stopping of the handheld chain saw, when the adjusting knob 7 is separated from the locking of the locking mechanism 3, and the adjusting knob 7 is in an operation releasing state, the knob control switch 8 cuts off a circuit, the whole circuit of the handheld chain saw is cut off, the handheld chain saw does not run any more, and at the moment, the holding handle 4 can rotate around the rotation axis 1-1 relative to the chain saw mechanism to adjust the cutting angle.
The utility model discloses a handheld chain saw can be according to the actual demand through the angle selection suitable cutting angle of adjusting 4 relative cutting planes of gripping handle when cutting branch etc. as shown in fig. 10a-c, avoids cutting things such as the branch that drops completely, still can carry out reverse side operation, presses close to ground cutting more, and accessibility is strong, and practical value is high.
Example 2
As shown in fig. 6-7 and 8-10, a hand-held chainsaw includes a chainsaw body including:
the chain sawing mechanism is used for realizing cutting operation; the saw chain mechanism comprises a power mechanism 1, a transmission mechanism 1-2, driving chain wheels 1-3 and a supporting guide plate 6, a saw chain 2 is arranged in a groove formed in the supporting guide plate 6, the saw chain 2 is meshed with the driving chain wheels 1-3, the power mechanism 1 is connected with the driving chain wheels 1-3 through the transmission mechanism 1-2 to transmit power, the power switch 10 controls the power mechanism 1 to be opened and closed, the driving chain wheels 1-3 are 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 compression nuts;
the electric chain saw comprises a holding handle 4, a trigger 5 and a power switch 10 are arranged on the holding handle 4, a power mechanism 1 is connected with the power switch 10, the power switch 10 is controlled to be switched on or off through the trigger 5, and the purpose of controlling the on and off of the hand-held chain saw is achieved;
an adjusting knob 7;
the locking mechanism 3 is matched with the adjusting knob 7 and used for locking the adjusting knob 7, when the locking mechanism 3 and the adjusting knob 7 are interlocked, no relative motion exists between the holding handle 4 and the saw chain mechanism, and the holding handle 4 cannot rotate relative to the saw chain mechanism for adjusting motion;
a knob control switch 8, which can be arranged on the holding handle 4;
the adjusting knob 7 controls the state of the knob control switch 8, and when the holding handle 4 is rotationally adjusted around the rotation axis 1-1 relative to the chain saw mechanism, the knob control switch 8 disconnects and cuts off the circuit of the hand-held chain saw, thereby ensuring that the hand-held chain saw is in the running state and the holding handle 4 is in the rotationally adjusted state, and only one state exists.
The present embodiment 2 is different from the embodiment 1 in that the rotation axis 1-1 is integrated with the adjustment knob 7, and the grip handle 4 can rotate around the rotation axis 1-1 (the central axis of the adjustment knob 7) relative to the chain saw mechanism, and the operation principle is the same as that of the embodiment 1.
When the adjusting knob 7 is in a natural locking state, the adjusting knob 7 is locked by the locking mechanism 3, the adjusting knob 7 controls the knob control switch 8 to be in a normally-on state, the switch trigger 5 can realize normal start-stop control of the handheld chain saw, and particularly the switch trigger 5 controls the on-off of the power switch 10 to realize start-stop control of the handheld chain saw, as shown in fig. 6.
When the adjusting knob 7 is unlocked from the locking mechanism 3, the adjusting knob 7 is in an operation releasing state, and the adjusting knob 7 moves to the holding handle 4 and can rotate around the rotation axis 1-1 relative to the chain saw mechanism to adjust, correspondingly, the knob control switch 8 is switched off, the whole circuit of the hand-held chain saw is cut off, the whole electric circuit is switched off, the power mechanism 1 cannot be started, the trigger 5 cannot start the hand-held chain saw, the saw chain 2 stops moving, at this time, the cutting operation cannot be completed, and the holding handle 4 can rotate to adjust the angle position in a safe state that the hand-held chain saw does not run, as shown in fig. 7.
It should be noted that the utility model discloses an adjust knob 7 can follow grip handle 4 and rotate together, also can design not to follow grip handle 4 and rotate together, and adjust knob 7 rotary motion also can carry out translation motion, only needs to ensure that locking mechanical system 3 can lock adjust knob 7 and can be through whether the locking of adjust knob 7 is whether control grip handle 4 can saw chain mechanism relatively carries out rotary motion.
The utility model discloses the part that does not specifically describe, including power unit 1, saw chain 2, drive mechanism 1-2 isotructure, adopt prior art or current product can, if power unit 1 adopts the motor, drive mechanism 1-2 adopts drive gear, with saw chain 2 adaptations, each part position can carry out nimble design according to the actual demand to do not prescribe a limit to specifically set up the position, do not do here and describe repeatedly.
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 (8)
1. A hand-held chainsaw comprising a chainsaw body, the chainsaw body comprising:
the chain sawing mechanism is used for realizing cutting operation;
the electric chain saw comprises a holding handle, a handle and a handle, wherein a trigger and a power switch are arranged on the holding handle, and the power switch is controlled to be switched on or switched off by switching on or off the trigger;
adjusting a knob;
the locking mechanism is interlocked with the adjusting knob, and the holding handle and the saw chain mechanism do not move relatively;
at least one knob control switch;
the adjusting knob controls at least one knob control switch for switching on or off a circuit of the hand-held chain saw;
when the holding handle is rotatably adjusted around the rotation axis relative to the chain saw mechanism, the knob control switch cuts off the circuit of the hand-held chain saw, and only one state of the operation state of the hand-held chain saw and the rotation adjusting state of the holding handle is ensured.
2. The handheld chain saw as defined 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 a power switch and a knob control switch, the power switch and the knob control switch control the power mechanism to open and close, 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 cutting operation.
3. The hand-held chain saw of claim 2, wherein the power mechanism is a motor and the transmission mechanism is a transmission gear adapted to the saw chain.
4. A hand-held chain saw as claimed in claim 1, wherein the adjustment knob is provided with a return spring.
5. A hand-held chain saw as claimed in claim 4, wherein the return spring is a spring.
6. A hand-held chain saw as claimed in claim 1 wherein the locking mechanism is a locking groove adapted to the adjustment knob and provided on the chain mechanism.
7. The hand-held chain saw as recited in claim 1, wherein the adjustment knob is locked by the locking mechanism when the adjustment knob is in the natural locking state, the adjustment knob controls the knob control switch to be normally on, and the power switch is controlled to switch on or switch off the circuit of the hand-held chain saw by turning on or off the trigger, so as to control the start and stop of the hand-held chain saw.
8. The hand-held chain saw as recited in claim 1, wherein the adjustment knob is released from the lock mechanism when the adjustment knob is in the operation release state, the grip handle is rotationally adjusted about the rotational axis relative to the chain mechanism, the adjustment knob controls the switch to open to disconnect the circuit of the hand-held chain saw, and the hand-held chain saw is in the stop mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133033.3U CN214206654U (en) | 2020-12-23 | 2020-12-23 | Handheld chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133033.3U CN214206654U (en) | 2020-12-23 | 2020-12-23 | Handheld chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214206654U true CN214206654U (en) | 2021-09-17 |
Family
ID=77704604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023133033.3U Active CN214206654U (en) | 2020-12-23 | 2020-12-23 | Handheld chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214206654U (en) |
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2020
- 2020-12-23 CN CN202023133033.3U patent/CN214206654U/en active Active
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