CN104285694B - Chain saw - Google Patents
Chain saw Download PDFInfo
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- CN104285694B CN104285694B CN201410007356.8A CN201410007356A CN104285694B CN 104285694 B CN104285694 B CN 104285694B CN 201410007356 A CN201410007356 A CN 201410007356A CN 104285694 B CN104285694 B CN 104285694B
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- protection mechanism
- chain saw
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- 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
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- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Sawing (AREA)
Abstract
The invention provides a kind of chain saw and its safety protective mechanisms.A kind of chain saw includes：Flexible cutting elements and the supporting plate for supporting the flexible cutting elements；Power drive unit, for driving the flexible cutting elements around supporting plate shuttling movement；House the host shell of the power drive unit；It is connected to the handle apparatus of the host shell；Protection mechanism positioned at work package top；The protection mechanism is actively set with respect to host shell, and protection mechanism has houses the first state that cutting element and limitation cutting element expose and be approached from protection mechanism and the second state for allowing cutting element to expose from protection mechanism and can be approached completely；And at least one lock release, the protection mechanism is discharged from first state for that releasable the protection mechanism can be locked in first state, and can be released.The locking of protection mechanism and releasably cause cutting operation it is safer.
Description
Technical field
The present invention relates to a kind of power tool, more particularly, to a kind of chain saw.
Background technology
At present, there are a variety of instruments trimmed for plant in the market, and such as scissors is relatively tiny for trimming some
Branches and leaves.Also pruner and chain saw are commonly used to trim relatively crude trees etc..
Traditional chain saw include one by saw chain with for support the gripper shoe groups of saw chain into work head, chain is by motor
Driving, does cyclic rotation around supporting plate；Such chain saw also includes the main handle positioned at work back of head, positioned at work head and main hand
Assist handle between handle.Chain saw is generally provided with a baffle plate at the rear in the front of assist handle, supporting plate, to prevent saw chain
Encounter heavy load in cutting process and produce it is counter kick or jump chain, baffle plate by saw chain is counter kick effect when can produce corresponding motion,
So that chain saw realizes self-actuating brake；In addition, being further typically provided with the braking mechanism that can be controlled manually on chain saw, work as operator
It is manually controllable to be braked when recognizing that unsafe factor will be produced in cutting process, so that saw chain stops fortune immediately
Turn, in order to avoid injured by saw chain, so as to keep the safety of operator.
Chain saw is but above-mentioned by setting braking mechanism that is this automatic, and/or controlling manually to ensure safety during operation
Annexation between the parts of brake structure is extremely complex, and the accuracy of manufacture requires high, not only causes the design of chain saw
And manufacturing cost rise, and indulging many parts also can increase the weight of chain saw itself, be unfavorable for operator and perform cutting
Work.
The work head of chain saw is along main direction Longitudinal extending, and work head is located at the front of operator during cutting work, and saws
Chain runs at high speed around supporting plate, and workpiece has fragment splashing in the process of cutting, is very easy to hurt operator.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of chain saw of safe operation.
In order to solve the above problems, the invention provides a kind of chain saw, including：Work package, with cutting element and branch
Support the supporting plate of the cutting element；Power drive unit, for driving the cutting element to be moved around supporting plate；House described
The host shell of power drive unit；It is connected to the handle apparatus of the host shell；Protection machine above work package
Structure；The protection mechanism is actively set with respect to host shell, and protection mechanism, which has, house completely cutting element and limitation cutting
First state and allow cutting element to expose from protection mechanism and can be approached that element exposes and is approached from protection mechanism
The second state；Chain saw also includes at least one lock release, for that protection mechanism can be locked in first state, and
Protection mechanism is discharged to the second state.
Preferably, one end of the protection mechanism is the connection end being connected with host shell, and the other end is to protrude from cutting
Free end in front of element.The protection mechanism is pivoted with respect to host shell and set.
Preferably, the protection mechanism includes roof and the side wall of the multiple adjoinings extended downwardly from roof, the roof
The protective zone of work package can completely be received by surrounding one with the side wall of multiple adjoinings, and the protective zone has opening,
It is described that Open Side Down.When the protection mechanism is in first state, the plane residing for the opening is located at the lower section of work package.
Preferably, the protection mechanism is made up of non-transparent material, and the protection mechanism is provided with multiple openings.It is another
Interchangeable scheme is：The protection mechanism is made of clear material.
Preferably, at least one described lock release is suitable for by the startup of machinery.
Preferably, lock release includes control piece and the sticking department for locking protection mechanism, control piece connection lock
Determine portion and be operatively controlled sticking department locking or release protection mechanism.
Preferably, sticking department includes elastic component, the support abutted with elastic component and the only lock extended from support to side
Part, the fastener is used to only lock the protection mechanism.
Preferably, elastic component and support be may be contained within host shell, and lock piece is opened optionally through host shell
Hole and protection mechanism coordinating backstop.
Preferably, protection mechanism includes roof and the side wall extended by roof, and inside sidewalls are provided with guide groove, lock piece
It may be selected to engage with guide groove, or disengage guide groove and the side wall coordinating backstop under elastic component effect with protection mechanism.
Preferably, control piece includes the control unit being shaped on lock piece.
Preferably, control piece includes interlocking the control knob set with lock piece, and control knob is close to handle apparatus.
Preferably, sticking department includes neck and the bearing pin that can coordinate with the neck, when the bearing pin inserts the neck
In the protection mechanism is limited in first state, be released into the protection mechanism when the bearing pin departs from the neck
Second state.
Preferably, neck is arranged on protection mechanism, and bearing pin is arranged in host shell.
Preferably, control piece is set close to handle apparatus, and control piece operatively can be rotated to drive bearing pin along straight line
Depart from neck.
Preferably, control piece is the rotating bar around axis of rotation, and the rotating bar has relative first end and second
End, the rotating shaft is located between the first end and the second end and vertical line between the first end and the second end is set.
Preferably, the first end connection bearing pin of rotating bar, the second end of rotating bar sets and can held close to handle apparatus
Hold.
Preferably, first end is provided with fork configuration, and bearing pin is fixed and is connected in fork configuration.
Preferably, bias mechanism is provided between the host shell and protection mechanism, the bias mechanism court is close to institute
State the direction bias protection mechanism of cutting assembly.The protection mechanism is connected by rotating shaft with host shell, the bias machine
Structure is the torsion spring of connection rotating shaft and protection mechanism.
The chain saw of the present invention is by adopting the above-described technical solution, enable chain saw automatic in power cut-off rear protecting mechanism
Locking；Chain saw cutting element in off working state be prevented from exposing outside protection mechanism and be accessible to the user and from injury；
In cutting process, it can effectively stop the splashing of fragment and sawdust, so as to ensure that the safety of operation；The control of lock release
Button processed is set close to handle, and making the unblock of protection mechanism, operation is very easy.
Brief description of the drawings
Further detailed description is done to the present invention below in conjunction with the accompanying drawings.
Fig. 1 is the schematic perspective view of the chain saw of first embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of the chain saw disclosed in Fig. 1.
Fig. 3 is the schematic diagram of the chain saw working condition disclosed in Fig. 1.
Fig. 4 is the schematic perspective view of the chain saw of second embodiment of the invention.
Fig. 5 is that the protection mechanism of the chain saw of third embodiment of the invention is in the schematic diagram of first state.
Fig. 6 is that the protection mechanism of the chain saw of third embodiment of the invention is in the schematic diagram of the second state.
In figure：
2. host shell 2a. Hafu-type half-shell 2b. cases
3. the assist handle of 4. main handle of handle apparatus 5.
8. the work package of 10. chain saw of power line 12.
14. the transmission mechanism of 16. flexible chain of supporting plate 17.
18. the protection mechanisms of 19. sprocket of electro-motor 20.20 '
21. the parallel side wall 22a. bases of front side wall 22.
24. the rotating shaft of 25. circular hole of roof 26.
30.30 ' the lock releases 27. perforate 28. is open
31. the lock piece of 32. support of elastic component 33.
35. the battery bag of 36. control knob of torsion spring 40.
81. the neck of 91. sticking department of connection end 92.
93. the first end of 94. rotating bar of bearing pin 941.
The fork configuration of 942. second end, 943. central shaft 944.
Embodiment
Shown in reference picture 1, Fig. 2, chain saw 10 includes setting handle apparatus 3 on host shell 2, host shell 2.Work package
12 along the longitudinal to extension outside host shell 2 of host shell 2, and when carrying out cutting work to workpiece W, work package 12 is located at master
The front of casing body 2.Handle apparatus 3 includes being located at the rear portion of host shell 2, the main handle 4 along the Longitudinal extending of host shell 2, with
And in front of main handle 4, the assist handle 5 of the side of host shell 2, operator can grip main handle 4 simultaneously in cutting process
And assist handle 5 performs bimanualness.
Chain saw 10 includes the work package 12 for being used to process workpiece W, and work package 12 includes supporting plate 14 and is installed on branch
Cutting element on fagging 14.In the present embodiment, cutting element is flexible chain 16, and the flexible chain 16 is installed on support
The periphery of plate 14, and can be rotated around the supporting plate 14.Host shell 2 in present embodiment includes two Hafu-type half-shell 2a,
And it is connected to one of Hafu-type half-shell 2a case 2b.Certainly, host shell 2 is not limited to said structure, this area
Technical staff can make appropriate change.Drive device is provided with host shell 2, present embodiment uses electro-motor
18, set on host shell 2 promising motor 18 to provide the power line 8 of electricity.The high speed rotation of motor 18 is passed by transmission mechanism 17
Sprocket 19 is handed to, flexible chain 16 is driven by sprocket 19.Supporting plate 14 is supported in host shell 2 with being relatively fixed, soft
Property chain 16 around the high-speed circulating of supporting plate 14 move.Certainly, this inventive drive means is not limited to electro-motor 18, can
To be replaced with fuel oil, steam-operating engine etc..
Chain saw also includes the protection mechanism 20 for being arranged at the top of work package 12, in a non-operative state, work package 12
Effectively can all it be covered by protection mechanism 20, that is to say, that protection mechanism 20 houses cutting element in wherein completely.This implementation
The non-transparent material that protection mechanism 20 in mode is used is made, and protection mechanism 20 is provided with multiple openings 28, when being easy to operation
The situation of work package 12 is observed, the fragment produced when can effectively be prevented due to protection mechanism 20 and be cut workpiece splashes, protection
The safety of operator, therefore also referred to as safety guard.It is provided with host shell 2 and the off-position of protection mechanism 20 is entered
Line-locked lock release 30.
Shown in reference picture 2, the one end of protection mechanism 20 is set to connection end 81, by rotating shaft 26 and host shell 2 pivotally
Connection, it is then free end that the other end away from connection end, which protrudes from the front of work package 12,；One of rotating shaft 26 is arranged at master
The case 2b of casing body 2, another rotating shaft 26 is arranged on another Hough half-shell 2a relative with case 2b（Do not show in figure
Go out）.Protection mechanism 20 includes roof 24, the side wall of the multiple adjoinings extended downwardly by roof 24.Wherein side wall is included by roof
The 24 a pair of parallel side walls 22 extended downwardly（One is only shown in figure）And positioned at the front of cutting assembly 12 and to connect two parallel
The front side wall 21 of side wall 22.Roof 24, parallel side wall 22 and front side wall 21 surround one jointly to be used to house work package 12
Protective zone, the downside of the protective zone forms the opening relative with roof 24（Not shown in figure）；Protection mechanism 20 is in
During off working state, the plane residing for the opening is located at the lower section of work package 12.Roof 24 and side wall 22 are respectively arranged with many
Individual opening 28 arranged side by side.Portion position on side wall 22 close to connection end is respectively arranged with circular hole 25, and rotating shaft 26 is coupled with circular hole 25.
At least one lock release 30 is provided with host shell 2, for the off-position to protection mechanism 20
Locked；When protection mechanism 20 is in the lock state, cutting element 12 is contained in the protective zone of protection mechanism 20 completely
Interior and cutting element, which is limited, to be exposed and is approached from protection mechanism 20.Therefore the effect lifting of lock release 30 is safe
Property, prevent maloperation.Lock release 30 is located between handle apparatus 3 and protection mechanism 20 on drive connection.Locking is released
Putting device 30 includes control piece and the sticking department 91 for locking protection mechanism 20.Control piece connects sticking department 91 and operationally
Control sticking department 91 locks or discharged protection mechanism 20.And sticking department 91 can limit protection mechanism 20 and be lived with respect to host shell 2
It is dynamic.Protection mechanism 20 can be locked in first state by sticking department 91, and now protection mechanism 20 can not switch from first state
First state is in the second state and all the time, i.e., the state that work package 12 is covered by protection mechanism 20.So can be work
Component 12 and subscriber separation are opened, and user will not touch work package 12 easily and produce dangerous.And due to protection mechanism 20
First state is locked in, will not also producing user, protection mechanism 20, which is switched to, makes what work package 12 exposed because of imprudence
Second state, so may result in potential danger.And when user needs to expose protection mechanism 20 and is operated, lock can be passed through
Determine release device 30 to unlock, so that protection mechanism 20 is easily switched to the second state.Further, in order to more
Good lifting operation convenience and the purpose simplified the internal structure of an organization, lock release 30 can link with handle apparatus and design.It is logical
Cross lock release 30 can be achieved in handle apparatus locking action or release action.In implementation as shown in Figures 2 and 3
In example, the sticking department 91 of lock release 30 includes the elastic component 31 being located between Hafu-type half-shell 2a and case 2b, with bullet
Property the support 32 that abuts of part 31 and from support 32 to the lock piece 33 of the outside of host shell 2 extension.Fastener 33 is used to only lock
The perforate 27 that case 2b is passed for lock piece 33 is provided with protection mechanism 20, wherein case 2b.Under usual condition, support 32 by
The effect of elastic component 31 is biased to case 2b directions, and now lock piece 33 protrudes from case 2b outer surface, residing for lock piece 33
The position coordinating backstop of parallel side wall 22 just with the connection end of protection mechanism 20, so as to effectively prevent the phase of protection mechanism 20
Host shell 2 is overturn, i.e., effectively to protection mechanism 20, this position is locked；And protrude from the lock outside case 2b
Stop member 33 can facilitate operator's control to be discharged with the locking to lock release 30（Reference picture 1）.In the present embodiment,
Control piece is integrally formed with lock piece 33.Specifically, control piece refer to be located at lock piece 33 on control unit, the controlling position in
Outside host shell 2, operation can be controlled by user.
Bias mechanism is provided between protection mechanism 20 and host shell 2, the bias mechanism causes protection mechanism 20 to non-
Operating position is biased, and to cause chain saw 10 after cutting work is completed, protection mechanism 20 can automatically return back to safe condition, i.e.,
Work package 12 is contained in the protective zone of protection mechanism 20 completely.Bias mechanism in present embodiment uses torsion spring
35, the one end of torsion spring 35 is connected to rotating shaft 26, and the other end is then connected to the inwall of parallel side wall 33, so that protection mechanism 20 exists
Workpiece W is carried out in cutting process and completed to remain the flexible bias pressure to the direction of work package 12 after cutting.In order to
The relative host shell 2 in cutting process of protection mechanism 20 is neatly pivoted, be provided with and lead on the inwall of parallel side wall 22
Groove（Not shown in figure）So that the abutting portion of lock piece 33 is slidably engaged in wherein when protection mechanism 20 is rotated.Work as work package
When leaving workpiece W after 12 completion cuttings, protection mechanism 20 automatically returns to original state in the presence of bias mechanism, i.e., non-work
Make state；Now the abutting portion of lock piece 33 is skidded off from guide groove, and in the presence of elastic component 31 through perforate 27 and with
One of the parallel side wall 22 of protection mechanism 20 coordinating backstop, so as to realize this off-position automatically to protection mechanism 30
Locked.
Shown in reference picture 1, Fig. 3, chain saw 10 need cutting work when, by protection mechanism 20 close to and contact workpiece W, pass through
The active force of elastic component 31 is overcome to press lock piece 33 to discharge the locking to protection mechanism 20, cutting element 16 allows from protection
Expose in mechanism 20 and workpiece W can be approached.In cutting process, due to the effect of bias mechanism, the two of protection mechanism 20 are parallel
The base 22a of side wall 22 is all the time against workpiece W, and the part cutting element that workpiece W is proximate to first exposes protection mechanism 20, with
The increase of depth of cut, the flip angle of the relative support plate 14 of protection mechanism 20 gradually increases, and more cutting elements are from protection
Mechanism 20 exposes and entered in workpiece W.Until completing cutting, work package 12 leaves workpiece W, and protection mechanism 20 is in bias mechanism
In the presence of automatically return to original state, and by lock release 30 off-position of protection mechanism 20 is carried out automatic
Locking.Protection mechanism 20 is arranged such so that once the arrangement works of chain saw 10, cutting element 16 just exposes outside protection machine by limitation
Structure 20 and be approached, reduce the chance injured；In other cutting process, protection mechanism 20 is always positioned at cutting element 16
Top simultaneously abuts workpiece W, and cut the fragment produced, sawdust at least partly can be hindered shelves by protection mechanism 20, can further be reduced
Injury risk, it is ensured that the safety of user.
It is second of embodiment of the present invention, the embodiment has similar with first embodiment shown in reference picture 4
Structure, thus identical element with it is same numbering mark do not repeat.It is energy unit with first embodiment difference
The battery bag 40 of dc source is provided for electro-motor 18, battery bag 40 is rechargeable type and is removably attachable to main handle 4
The back lower place；Protection mechanism 20 ' is made of transparent material, and such operator can be with visible in detail whole in cutting process
The working condition of individual cutting element；Lock release 30 ' is mechanically activated, so as to the locking to protection mechanism 20 '
Position is discharged.Lock release 30 ' includes the lock piece 33 for being used to prevent protection mechanism 20 ' from overturning, and locks release
The control piece of device 30 ' includes interlocking the control knob 36 set with lock piece 33, and wherein control knob 36 is set close to handle apparatus 3
Put, especially, set close to main handle 4.As long as operator will produce corresponding solution by pressing control knob 36, lock piece 33
Lock motion, can so facilitate operator to perform the unblock operation of protection mechanism 20 ' in cutting.
In 3rd embodiment as shown in Figure 5 and Figure 6, the control piece of lock release 30 is included close to handle apparatus
3 rotating bars 94 set.Preferably, rotating bar 94 is set close to assist handle 5.So that user grip handle apparatus 3 when
Wait, lock release 30 is held operation simultaneously with handle apparatus 3.The operational movement transmission of the handle device 3 of rotating bar 94
To sticking department 91, sticking department 91 is set to lock or discharge.Rotating bar 94 is located at the inside of host shell 2.Rotating bar 94 can surround it
Rotating shaft 943 is rotated, and with the end 942 of first end 941 and second being oppositely arranged.The first end 941 of rotating bar 94 is arranged on master
The inside of casing body 2, and abutted with sticking department 91.In a preferred embodiment, first end 941 is provided preferably with fork configuration
944.Fork configuration 944 can be fixedly connected with sticking department 91.And the second end 942 then extends preferably to the outer of host shell 2
Portion, and positioned at the position close to assist handle 5.Preferably, the distance between the second end 942 and assist handle 5 are spaced in 5~10
Millimeter.So when user's control handle apparatus, the second end 942 can be touched naturally.The rotating shaft 943 of rotating bar 94 is located at
Between the end 942 of first end 941 and second, and rotating shaft 943 is located between the end 942 of first end 941 and second and vertical first end
941 and the second line between end 942 set.And the sticking department 91 of lock release 30 includes neck 92 and can be with neck 92
The bearing pin 93 of cooperation, when the clamping of bearing pin 93 enters neck 92, protection mechanism 20 is locked in first state, and work package 12 is all the time
It is in the state that can not be approached.And when bearing pin 93 departs from from neck 92, protection mechanism 20 is released from spacing, now protects
Mechanism 20 can be switched to the second state from first state.And bearing pin 93 is departed from from neck 92, the He of handle apparatus 3 can be passed through
The operation of rotating bar 94 drives bearing pin 93 to detach neck 92 along straight line.In the present embodiment, the first end 941 of rotating bar 94 with
The connection of bearing pin 93.Certainly in other embodiments, rotating bar 94 can also be connected with the other elements of sticking department 91.Such as Fig. 6
Shown, when the holding of user handles handle apparatus 3, the second end 942 that hand can extrude rotating bar 94 makes it produce to a certain degree
Rotation, so as to drive the bearing pin 93 of first end 941 of connection rotating bar 94 to be spun off from neck 92.In the present embodiment
In, the direction that hand extruding rotating bar 94 rotates rotating bar 94 is that rotating bar 94 as shown in Figure 6 is counterclockwise around rotating shaft 943
The direction of rotation.Neck 92 is located substantially at the connection end 81 of the close host shell 2 of protection mechanism 8.And the extension side of bearing pin 93
To also consistent with the bearing of trend of neck 92.Those skilled in the art predictably, in other examples, also may be used
To be arranged to neck 92 positioned at other elements, and the bearing of trend of the bearing of trend of bearing pin 93 and neck 92 is at an angle.
The present invention is not limited to aforementioned embodiments, and those skilled in the art may be used also under the enlightenment of the technology of the present invention marrow
Other changes can be made, but as long as the function and the present invention of its realization are same or similar, the scope of the present invention all should be covered by
It is interior.
Claims (18)
1. a kind of chain saw, including：
Work package, the supporting plate with cutting element and the support cutting element；
Power drive unit, for driving the cutting element to be moved around supporting plate；
House the host shell of the power drive unit；
It is connected to the handle apparatus of the host shell；
Protection mechanism；
It is characterized in that：
The protection mechanism is actively set with respect to host shell, and protection mechanism, which has, house completely cutting element and limitation cutting
First state and allow cutting element to expose from protection mechanism and can be approached that element exposes and is approached from protection mechanism
The second state；The protection mechanism includes roof and the multiple side walls extended by roof, and the roof and multiple side walls are surrounded
One can completely receive the protective zone of work package, and the protective zone has opening, and described Open Side Down, when described anti-
When protecting mechanism in first state, the plane residing for the opening is located at the lower section of the work package, and the chain saw also includes
At least one lock release, for that the protection mechanism can be locked in first state, and discharges the protection mechanism
To the second state, bias mechanism is provided between the host shell and protection mechanism, the bias mechanism court is close to the work
Make the direction bias protection mechanism of component so that when carrying out cutting workpiece, workpiece makes the cutting against the protection mechanism
Element exposes from the protection mechanism.
2. chain saw according to claim 1, it is characterised in that：One end of the protection mechanism is what is be connected with host shell
Connection end, the other end is to protrude from the free end in front of cutting element.
3. chain saw according to claim 1, it is characterised in that：The protection mechanism is pivoted with respect to host shell and set.
4. chain saw according to claim 1, it is characterised in that：The protection mechanism is made up of non-transparent material, described anti-
Protect mechanism and be provided with multiple openings.
5. chain saw according to claim 1, it is characterised in that：The protection mechanism is made of clear material.
6. chain saw according to claim 1, it is characterised in that：The lock release includes control piece and for locking
The sticking department of the protection mechanism, the control piece connects the sticking department and is operatively controlled the sticking department locking or releases
Put the protection mechanism.
7. chain saw according to claim 6, it is characterised in that：The sticking department includes elastic component, is abutted with elastic component
Support and the lock piece extended from support to side, the lock piece are used to only lock the protection mechanism.
8. chain saw according to claim 7, it is characterised in that：The elastic component and support may be contained within the host shell
It is interior, perforate and protection mechanism coordinating backstop of the lock piece optionally through host shell.
9. chain saw according to claim 8, it is characterised in that：The protection mechanism includes roof and extended by roof
Side wall, the inside sidewalls are provided with guide groove, and the lock piece may be selected to engage with guide groove, or disengagement guide groove and in elastic component
The lower side wall coordinating backstop with protection mechanism of effect.
10. chain saw according to claim 7, it is characterised in that：The control piece includes being shaped in the lock piece
On control unit.
11. chain saw according to claim 7, it is characterised in that：The control piece, which includes interlocking with the lock piece, to be set
Control knob, the control knob is close to the handle apparatus.
12. chain saw according to claim 6, it is characterised in that：The sticking department includes neck and can matched somebody with somebody with the neck
The bearing pin of conjunction, makes the protection mechanism be limited in first state when the bearing pin is inserted in the neck, when the bearing pin is de-
The protection mechanism is set to be released into the second state from the neck.
13. chain saw according to claim 12, it is characterised in that：The neck is arranged on the protection mechanism, described
Bearing pin is arranged in the host shell.
14. chain saw according to claim 12, it is characterised in that：The control piece is set close to the handle apparatus, institute
Stating control piece can operatively be rotated to drive the bearing pin to depart from the neck.
15. chain saw according to claim 14, it is characterised in that：The control piece is the rotating bar around axis of rotation,
The rotating bar has relative first end and the second end, and the rotating shaft is located between the first end and the second end and vertical institute
The line stated between first end and the second end is set.
16. chain saw according to claim 15, it is characterised in that：The first end of the rotating bar connects the bearing pin, institute
The second end for stating rotating bar sets close to the handle apparatus and can be held.
17. chain saw according to claim 16, it is characterised in that：The first end is provided with fork configuration, and the bearing pin is consolidated
Surely it is connected in the fork configuration.
18. chain saw according to claim 1, it is characterised in that：The protection mechanism is connected by rotating shaft with host shell
Connect, the bias mechanism is the torsion spring of connection rotating shaft and protection mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007356.8A CN104285694B (en) | 2013-07-19 | 2014-01-08 | Chain saw |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310305821.1 | 2013-07-19 | ||
| CN201310305821 | 2013-07-19 | ||
| CN2013103058211 | 2013-07-19 | ||
| CN201410007356.8A CN104285694B (en) | 2013-07-19 | 2014-01-08 | Chain saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104285694A CN104285694A (en) | 2015-01-21 |
| CN104285694B true CN104285694B (en) | 2017-07-18 |
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| CN201410007356.8A Active CN104285694B (en) | 2013-07-19 | 2014-01-08 | Chain saw |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104756773A (en) * | 2014-01-08 | 2015-07-08 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN106508449B (en) * | 2016-09-13 | 2022-04-29 | 天津迈克重工有限公司 | Hydraulic oil saw accessory head |
| CN106688653B (en) * | 2017-02-24 | 2020-03-17 | 宁波创跃园林工具有限公司 | Anti-false start pruner |
| CN111788956B (en) * | 2020-08-11 | 2021-09-07 | 浙江锐木园林机械有限公司 | Lithium electricity gardens pruner |
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| GB2404613A (en) * | 2003-07-14 | 2005-02-09 | David Jarman | A vegetation pruning device |
| CN102511321B (en) * | 2009-02-20 | 2013-10-16 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN202425367U (en) * | 2011-09-29 | 2012-09-12 | 马西奥·德·塞莱斯 | Configuration introduced in connectable auxiliary equipment of electric drill |
| JP5385363B2 (en) * | 2011-11-30 | 2014-01-08 | フスクバルナ アクティエボラーグ | Chainsaw equipment |
| EP2606717B1 (en) * | 2011-12-22 | 2016-02-17 | Black & Decker Inc. | Vegetation cutting device |
| CN202684207U (en) * | 2012-05-25 | 2013-01-23 | 浙江亚特电器有限公司 | Chain saw with protection plate positioning mechanism |
| CN202857378U (en) * | 2012-10-26 | 2013-04-10 | 浙江三锋实业股份有限公司 | Chain saw |
| CN202998897U (en) * | 2012-12-03 | 2013-06-19 | 常州格力博有限公司 | Brushless chain saw |
| CN103009438B (en) * | 2012-12-05 | 2015-07-15 | 南京德朔实业有限公司 | Chain saw |
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