CN201479651U - Plant pruning machine - Google Patents
Plant pruning machine Download PDFInfo
- Publication number
- CN201479651U CN201479651U CN2009201663020U CN200920166302U CN201479651U CN 201479651 U CN201479651 U CN 201479651U CN 2009201663020 U CN2009201663020 U CN 2009201663020U CN 200920166302 U CN200920166302 U CN 200920166302U CN 201479651 U CN201479651 U CN 201479651U
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- Prior art keywords
- handle assembly
- pruning machine
- handle
- vegetation pruning
- gripper shoe
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Abstract
The utility model provides a plant pruning machine which comprises a cutting element, a support plate used for supporting the cutting element, a motor used for driving the cutting element, a first handle component, a second handle component, a locking mechanism used for fixedly connecting the second handle component on the first handle component in a detachable way, and a connecting mechanism arranged between the first handle component and the support plate; the first handle component or the second handle component does linear movement along the direction towards or far away from the support plate in an operable way; and the connecting mechanism leads the linear movement of the first handle component or the second handle component to be converted into the swing of the support plate.
Description
Technical field
The utility model relates to a kind of vegetation pruning machine, especially relates to a kind of vegetation pruning machine with extension rod, for example has the chain saw of extension rod.
Background technology
At present, occur the multiple instrument that the plant class is pruned that is used on the market, for example scissors is used to prune some tiny relatively branches and leaves.Also have pruner to be commonly used to prune relative thick trees etc. with chain saw.
Traditional chain saw comprises one by chain be used for the working head that the gripper shoe of support chains forms, chain is subjected to motor driven, rotate around gripper shoe, traditional chain saw also comprises the main handle that is positioned at the working head rear portion, the assist handle between working head and main handle.When cutting, the working head of this traditional chain saw just is subjected to motor-driven to make chain rotate around gripper shoe usually, gripper shoe generally is motionless, in the cutting process, operator one holds main handle, another holds assist handle, carries out smoothly in order to guarantee cutting, and operator's hand need revolve towards cut direction and add a pressure.When cutting from top to bottom, because machine itself has downward gravity, this traditional chain saw is easier to relatively and is more laborsaving.But cutting from the bottom up perhaps needs to cut from the side if desired, and the operator will feel relatively to require great effort.
U.S.'s publication application has disclosed a kind of chain saw for US2005/0022388A1 number and has comprised by chain and be used for the working head that the gripper shoe of support chains forms, chain is subjected to motor driven, rotate around gripper shoe, this chain saw also comprises a pair of arm that is pivoted relative to each other around a fixed axis, and working head is installed on one of them arm and can pivots around relative another arm of described fixed axis with this arm.The handle portion that all is connected with of each arm correspondence is held for the operator.In the operating process, make cutting everything goes well with your work and carry out thereby the relative described handle portion of pivot of operator can make cutting head move towards cut direction.But this structure makes that in that operation is just not too comfortable in some cases, for example when needing the branch of cutting eminence, operator's application of force is just relatively more difficult; In addition, when needs cuttings was placed on the ground wooden, the operator just need stoop the waist operation, if the working time just is easy to the people is felt fatigue than length like this.
In addition, if cut branch on the higher trees, this traditional chain saw generally includes an extension rod, usually by on dismountable main handle that is fixedly connected on chain saw, during operation, the operator holds extension rod to extension rod, towards the cut direction application of force, this operation tends to relatively require great effort.
Disclose a kind of chain saw U.S. Pat 7152328B2 number and comprised working head, main handle and extension rod, when needs cutting higher position branch, the user is fixedly connected on extension rod on the main handle, electrically connect between extension rod and the main handle, just can operate, but this chain saw is when operation as long as the user holds extension rod, need the operator to apply a very big power, can make operating process relatively require great effort towards cut direction.
The utility model content
Technical problem to be solved in the utility model provides a kind of comfortable vegetation pruning machine of operating.
In order to address the above problem, the utility model provides a kind of vegetation pruning machine, comprising:
Cutting element;
Be used to support the gripper shoe of described cutting element;
Be used to drive the motor of described cutting element;
The first handle assembly;
The second handle assembly;
Retaining mechanism is used for being fixedly connected on described first handle assembly with described second handle assembly is dismountable;
Establish bindiny mechanism between first handle assembly and the gripper shoe;
First handle assembly or the exercisable edge of second handle assembly towards or move linearly away from the direction of gripper shoe, described bindiny mechanism makes the linear movement of first handle assembly or second handle assembly be converted to the swing of gripper shoe.
In the vegetation pruning machine that the utility model disclosed, because first handle assembly and second handle assembly all are to do linear movement, so can make that operator's operation is pleasant.
Preferred implementation of the present utility model can also be following several:
Preferably, vegetation pruning machine of the present utility model also comprises abutment walls, and this abutment walls is used for when work against workpiece.
Preferably, vegetation pruning machine of the present utility model also comprises the U-shaped guard shield.
Preferably, U-shaped guard shield of the present utility model has the U-shaped inner side edge, and described U-shaped guard shield also comprises the U-shaped jaw, and this U-shaped jaw is dismountable to be connected on the U-shaped inner side edge.
Preferably, the inboard of U-shaped jaw of the present utility model is provided with tooth.
Preferably, U-shaped jaw of the present utility model is made by steel.
Preferably, first handle assembly of the present utility model comprises guide rod portion, described vegetation pruning machine comprises main casing, this main casing has the handle host cavity and is used to accommodate described guide rod portion, described handle host cavity has longitudinal extending axis X2, and the exercisable longitudinal extending axis along the handle host cavity of guide rod portion moves linearly.
Preferably, first handle assembly of the present utility model comprises the holding part, and this holding part is D shape.
Preferably, first handle assembly of the present utility model holding part comprises linearly the gripping limit of shape and curved fillet, and this first handle assembly holding part is connected with first handle assembly guide rod portion by this fillet.
Preferably, the both ends symmetry on described gripping of the present utility model limit is provided with safety switch.
Preferably, inboard, gripping limit of the present utility model is provided with gauge tap.
Preferably, bindiny mechanism of the present utility model is the plane multi-bar linkage.
Preferably, plane of the present utility model multi-bar linkage comprises driving link, connecting rod and driven member, described driving link is born by described first handle assembly, described driven member is fixedlyed connected with described gripper shoe, described connecting rod and is connected with driven member with driving link in hinged mode respectively between described driving link and driven member.
Preferably, vegetation pruning machine of the present utility model comprises main casing, described connecting rod comprises the first connecting rod hinged with driving link, the second connecting rod hinged with first connecting rod, one end and the first connecting rod of second connecting rod are hinged, and what the other end of second connecting rod was pivoted relative to each other is connected on the main casing, the third connecting rod hinged with second connecting rod, one end of third connecting rod and the middle part of second connecting rod are hinged, and the other end and the driven member of the 3rd connecting rod are hinged.
Preferably, vegetation pruning machine of the present utility model comprises main casing, is provided with torsion spring between main casing and described driven member, and an end of torsion spring is fixedlyed connected with main casing, and the other end of torsion spring is fixedlyed connected with driven member.
Preferably, vegetation pruning machine of the present utility model comprises position-limit mechanism, is used for limiting the swing of gripper shoe.
Preferably, vegetation pruning machine of the present utility model comprises main casing, described position-limit mechanism comprises groove of being located on the main casing and the protruded stigma of fixedlying connected with gripper shoe, the two ends of groove are respectively the first stop face and the second stop face, and described protruded stigma is exercisable to be cooperated with the first stop face and the second stop face.
Preferably, groove of the present utility model is a kidney slot, and this kidney slot along the circumferential direction extends.
Preferably, vegetation pruning machine of the present utility model comprises motor, is fixedly connected with motor bracket on the motor, and described protruded stigma extends and passes described groove from motor bracket.
Preferably, kidney slot of the present utility model is along the circumferential direction equally spaced to be provided with three, and described protruded stigma is along the circumferential direction equally spaced to be provided with three, and these three protruded stigmas pass respectively in described three kidney slots.
Preferably, second handle assembly of the present utility model comprises second handle assembly holding part and second handle assembly extension, described second handle assembly extension comprises first end and second end, described first end is connected with second handle assembly holding part, described second end is connected with described first handle assembly, and described retaining mechanism is between described second end and described first handle assembly.
Preferably, second handle assembly of the present utility model comprises second handle assembly holding part and second handle assembly extension, and described second handle assembly holding part is D shape.
Preferably, first handle assembly of the present utility model comprises the holding part, and this holding part is provided with the handle accepting hole, and described retaining mechanism comprises lock bracket, and this lock bracket is dismountable to be contained in this handle accepting hole.
Preferably, lock bracket of the present utility model is provided with first mating surface, and a side of the holding part of described first handle assembly is provided with second mating surface, and this first mating surface and second mating surface match, and both shapes are complementary.
Preferably, retaining mechanism of the present utility model also comprises locking knob, and the exercisable holding part of first handle assembly that makes of this locking knob is clamped between described lock bracket and the locking knob.
Preferably, the opposite side of the holding part of first handle assembly of the present utility model is provided with the 3rd mating surface, and described locking knob is provided with the 4th mating surface, and the 4th mating surface is selectable to match with the 3rd mating surface.
Preferably, first handle assembly of the present utility model comprises guide rod portion, dismountable C shape support that is fixedly connected with in this guide rod portion, described chain saw comprises main casing, this main casing is provided with slotted opening, and described C shape support stretches out from slotted opening, and described C shape support can move along described slotted opening, described second handle assembly comprises extension, and this extension is supported on the described C shape support.
Preferably, one in first handle assembly of the present utility model and the second handle assembly is provided with plug, and another among both is provided with socket, makes first handle assembly and second handle assembly be electrically connected by connecting of plug and socket.
Preferably, vegetation pruning machine of the present utility model comprises main casing, described vegetation pruning machine also comprises the sleeve that slidably is installed on the described second handle assembly, described vegetation pruning machine further comprises rope, one end of described rope is connected on the described main casing, and the other end of described rope is connected on the described sleeve.
Preferably, main casing of the present utility model is provided with grab, and an end of described rope is hung on the described grab.
Preferably, sleeve of the present utility model is provided with elastic cam folder, is used for exercisable rope being clamped in wherein.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further detailed description.
Fig. 1 is the stereogram of the chain saw that the utility model disclosed.
Fig. 2 is the interior schematic diagram of the chain saw that Fig. 1 disclosed.
Fig. 3 is the exploded view of the main casing of the chain saw that Fig. 1 disclosed.
Fig. 4 A is the stereogram of the first half housings of chain saw that Fig. 3 disclosed.
Fig. 4 B is the stereogram of the second half housings of chain saw that Fig. 3 disclosed.
Fig. 5 is the stereogram of the driven member of the chain saw that Fig. 1 disclosed.
Fig. 6 is the motion principle figure of the bindiny mechanism of the chain saw that Fig. 1 disclosed.
Fig. 7 is the stereogram of the position-limit mechanism of the chain saw that Fig. 1 disclosed.
Fig. 8 A is the state diagram of chain saw when not working that Fig. 1 disclosed.
The chain saw state diagram in the course of the work that Fig. 8 B is disclosed for Fig. 8 A.
Fig. 8 C is the state diagram will power cut-off time of chain saw that Fig. 1 disclosed.
Stereogram when Fig. 9 has the second handle assembly for chain saw that Fig. 1 disclosed.
Figure 10 is the partial enlarged drawing of the retaining mechanism of the chain saw that Fig. 9 disclosed.
Figure 11 is that the retaining mechanism of the chain saw that Fig. 9 disclosed is not installed in the partial exploded view on the first handle assembly.
Figure 12 is the partial exploded view of the retaining mechanism of the chain saw that Fig. 9 disclosed.
Figure 13 A for chain saw that Fig. 9 disclosed when the schematic diagram of locking knob during in primary importance.
Figure 13 B for chain saw that Fig. 9 disclosed when the schematic diagram of locking knob during in the second place.
Figure 14 is the stereogram of the C shape support of the chain saw that Fig. 9 disclosed.
Figure 15 is the partial perspective view of the chain saw band rope that Fig. 9 disclosed.
Among the figure:
20. chain saw 22. working heads 24. gripper shoes
26. flexible chain 28. motors 30. motor output shafts
X1. motor output shaft axis 32. motor shells 34. main casings
34a. the first half housing 34b., the second half housing 35. case lid
35a. near hole 36. first handle assembly 38.U shape guard shields
38a. 40a. first handle host side, 40. handle host side, the first working head host side
42a. 40b. second handle host side, the first connecting portion 38b., the second working head host side
42b. the second connecting portion 43a., the first U-shaped opening 43b., the second U-shaped opening
44a. the first upper side wall 46a., the first lower wall 44b., second upper side wall
46b. second lower wall, 48. first receiving spaces, 50. second receiving spaces
52. the opening 54.U shape inner side edge 54a. first U-shaped inner side edge
56.U the clamp mouth 56a. first U-shaped jaw 58a. tooth
54b. the second U-shaped inner side edge 56b., the second U-shaped jaw 58b. tooth
59. handle host cavity X2. longitudinal extending axis 60. guide rod portions
62. holding part 64. grips limit 66. fillets
68. gauge tap 70. safety switches 72. plane multi-bar linkages
76. first connecting rod 78. second connecting rods 80. third connecting rods
82. driven member 84.V shape is 86.V shape another side on one side
88.V shape bottom 90. protruded stigmas, 92. first accepting holes
94. kidney slot 96. installing holes 98. second accepting holes
100. the first stop face, 102. second stop faces, 106. torsion springs
108. aperture 110. transmission mechanisms 112. sprocket wheels
116. gripping 120. second handle assemblies, extend by second handle assembly 118. second handle assemblies
Portion of portion
122. first end, 124. second ends, 126. retaining mechanisms
128. grip limit 130. fillets, 132. gauge taps
134. safety switch 144. lock bracket 146.C shape clamps
148.C shape clamp clip 150. holes for clamping 152. handle accepting holes
154. first mating surface, 156. second mating surfaces, 158. locking knobs
159. the 3rd mating surface 160. operating portions 162. main parts
164. the 4th mating surface 168. knob resettlement sections, mating part 166.
170. diameter is less accommodate logical 172. diameters bigger accommodate empty 174. long and narrow openings
Vestibule
176.C shape support 177a. plug 177b. socket
177c. plug 178. sleeves 180. ropes
182. grab 184. walls 186. guide grooves
188. cam presss from both sides 190. cam surfaces
Embodiment
Fig. 1 to Fig. 2 has disclosed a kind of vegetation pruning machine, in an embodiment of the present utility model, the vegetation pruning machine is a chain saw 20, and chain saw 20 comprises the working head 22 that is used for processing work, and working head 22 comprises gripper shoe 24 and the cutting element that is installed on the gripper shoe 24.In the present embodiment, cutting element is a flexible chain 26, and this flexible chain 26 is installed on the periphery of gripper shoe 24, and can rotate around this gripper shoe 24.The plane at gripper shoe 24 places is the gripper shoe plane.In other embodiments of the present utility model, working head can be the saw blade of saw blade, reciprocating saw etc.When working head was saw blade, cutting element can be thought the cutting part of saw blade, and gripper shoe can be thought the center support part of saw blade.When working head was the saw blade of similar reciprocating saw, cutting element can think that the cutting edge part of saw blade of reciprocating saw, gripper shoe can think the support section of cutting edge of the saw blade of reciprocating saw.
Chain saw 20 also comprises motor 28, and motor 28 is used to drive working head 22, makes flexible chain 26 rotate around gripper shoe 24.Motor 28 has motor output shaft 30, and this motor output shaft 30 has motor output shaft axis X 1, thereby this motor output shaft 30 drives flexible chain 26 around 1 rotation of motor output shaft axis X it is rotated around gripper shoe 24.Motor 28 is contained in the motor shell 32.
With further reference to Fig. 3, chain saw 20 comprises main casing 34, main casing 34 is made up of two and half housings in an embodiment of the present utility model, be respectively the first half housing 34a and the second half housing 34b, the first half housing 34a and the second half housing 34b removably connect by screw, in other embodiments of the present utility model, the first half housing 34a and the second half housing 34b also can be those of ordinary skills thinkable other connected mode, for example can be the monoblock type setting, also can be by buckle connection etc.Motor shell 32 is dismountable to be connected on the first half housing 34a.In an embodiment of the present utility model, motor shell is to be connected on the first half housing 34a by screw.In other embodiments of the present utility model, motor shell 34a also can be fixedlyed connected with the first half housing 34a, and for example motor shell 32 and the first half housing 34a monoblock types are provided with.
Chain saw 20 comprises that a case lid 35, the second half housing 34b are provided with near hole 35a, and it is to make things convenient for the user to change flexible chain 26 that this purpose near hole 35a is set.Case lid 35 dismountable being installed near on the 35a of hole, in the present embodiment, case lid 35 is to be bolted to connection on the second half housing 34b.In other embodiments of the present utility model, case lid 35 also can be by those of ordinary skills thinkable other connected mode be connected on the second half housing 34b.When not needing to change flexible chain 26, case lid 35 covers near hole 35a.When needs were changed flexible chain 26, the user can pull down case lid 35 by instruments such as spanners from the second half housing 34b.
Chain saw 20 comprises that first handle assembly 36 (with reference to Fig. 1) is used for supplying in the course of the work operator's holding operation.With reference to Fig. 3, the first half housing 34a comprise the first working head host side 38a, first handle host side 40a and the first connecting portion 42a that is used to be connected the first working head host side 38a and first handle host side 40a.The second half housing 34b comprise the second working head host side 38b, second handle host side 40b and the second connecting portion 42b that is used to be connected the second working head host side 38b and second handle host side 40b.
With reference to Fig. 4 A to Fig. 4 B, the first working head host side 38a and the second working head host side 38b all roughly take the shape of the letter U.The first working head host side 38a has the first U-shaped opening 43a.The second working head host side 38b has the second U-shaped opening 43b.
The first working head host side 38a and the second working head host side 38b form the U-shaped guard shield 38 (with reference to Fig. 1) of chain saw together, and this U-shaped guard shield 38 is used to accommodate working head 22.
The first working head host side 38a comprises the first upper side wall 44a and the first lower wall 46a, has defined the first U-shaped opening 43a between the first upper side wall 44a and the first lower wall 46a.The second working head host side 38b comprises the second upper side wall 44b and the second lower wall 46b.Defined the second U-shaped opening 43b between the second upper side wall 44b and the second lower wall 46b.
Form first receiving space 48 (with reference to Fig. 1) between the first upper side wall 44a and the second upper side wall 44b.Form second receiving space 50 (with reference to Fig. 1) between the first lower wall 44b and the second lower wall 46b.First receiving space 48 and second receiving space 50 are used to accommodate working head 22.Be respectively equipped with some openings 52 on the first upper side wall 44a and the second upper side wall 44b, these some openings 52 the current location that the purpose person that is the handled easily can clearly see working head is set.
The first working head host side 38a has the first U-shaped inner side edge 54a, this first U-shaped inner side edge 54a is located at inboard one circle of the first working head host side 38a, promptly this first U-shaped inner side edge 54a is located at the side of the first working head host side 38a near the first U-shaped opening 43a, one first dismountable being arranged on the first U-shaped inner side edge 54a of U-shaped jaw 56a.The inboard of this first U-shaped jaw 56a is provided with a circle tooth 58a.This first U-shaped jaw 56a is made by steel.The first U-shaped jaw 56a is connected on the first U-shaped inner side edge 54a by rivet.
The second working head host side 38b has the second U-shaped inner side edge 54b, this second U-shaped inner side edge 54b is located at inboard one circle of the second working head host side 38b, promptly this second U-shaped inner side edge 54b is located at the side of the second working head host side 38b near the second U-shaped opening 43b, one second dismountable being arranged on the second U-shaped inner side edge 54b of U-shaped jaw 56b.The inboard of this second U-shaped jaw 56b is provided with a circle tooth 58b.This second U-shaped jaw 56b is made by steel.The second U-shaped jaw 56b is connected on the second U-shaped inner side edge 54b by rivet.
The first U-shaped inner side edge 54a and the second U-shaped inner side edge 54b form the U-shaped inner side edge 54 of U-shaped guard shield 38 together.The first U-shaped jaw 56a and the second U-shaped jaw 56b form the U-shaped jaw 56 of U-shaped guard shield 38 together.The U-shaped jaw 56 of U-shaped guard shield 38 is dismountable to be connected on the U-shaped inner side edge 54 of U-shaped guard shield 38.Above-mentioned U-shaped jaw 56 can be used as abutment walls, is used for using against workpiece to be cut when work.Inboard one circle of U-shaped jaw 56 is provided with tooth 58a, 58b.Tooth 58a is set, and the purpose of 58b is that this toothed U-shaped jaw 56 can support branch reliably when cutting thinner branch, prevents that branch from ejecting.
With reference to Fig. 1 and Fig. 3, motor shell 32 is connected on the first connecting portion 42a of the first half housing 34a by screw.The equal longitudinal extension of second handle host side 40b of the first handle host side 40a of the first half housing 34a and the second half housing 34b, both connect by screw.The second handle host side 40b of the first handle host side 40a of the first half housing 34a and the second half housing 34b forms the handle host side 40 of main casing 34 together.
Handle host side 40 has handle host cavity 59.This handle host cavity 59 is formed between first handle host side 40a and the second handle host side 40b.This handle host cavity 59 is used to accommodate first handle assembly 36.Handle host cavity 59 has longitudinal extending axis X2, and first handle assembly 36 is accommodated in the handle host cavity 59 and the exercisable axis X 2 that extends longitudinally moves linearly.
With further reference to Fig. 2, first handle assembly 36 comprises guide rod portion 60 and holding part 62, and guide rod portion 60 is the slender type bar, and guide rod portion 60 is contained in the handle host cavity 59.Holding part 62 roughly is D shape.One side of D shape holding part 62 is for gripping limit 64, and this grips linearly shape of limit.The another side of D shape holding part 62 is a fillet 66, and this fillet 66 is curved.Holding part 62 is passed through fillet 66 and is connected with guide rod portion 60.The inboard that grips limit 64 is provided with gauge tap 68, and gauge tap 68 electrically connects with motor 28 and is used for controlling the startup of motor 28 and stopping.The two ends that grip limit 64 are provided with safety switch 70, and the two ends that are arranged at gripping limit 64 of safety switch 70 symmetries make with left hand still to be that right-hand operated is all more convenient.Fillet 66 links to each other with guide rod portion 60.
Be provided with bindiny mechanism between first handle assembly 36 and the working head 22, in the present embodiment, bindiny mechanism directly connects first handle assembly 36 and gripper shoe 24, and this bindiny mechanism makes the linear movement of first handle assembly 36 be converted to the pivoting action of gripper shoe 24.In the present embodiment, bindiny mechanism is a plane multi-bar linkage 72.
With reference to Fig. 2, plane multi-bar linkage 72 comprises driving link, connecting rod and driven member 82.Connecting rod and is connected with driven member 82 with driving link in hinged mode respectively between driving link and driven member 82.Connecting rod comprises first connecting rod 76, second connecting rod 78 and third connecting rod 80.Driving link is born by the guide rod portion 60 of first handle assembly 36, when the operator when the direction of working head 22 pushes away holding part 62, guide rod portion 60 can move linearly along the longitudinal extending axis X2 of handle host cavity 59.Driven member 82 is fixedlyed connected with gripper shoe 24, and first connecting rod 76, second connecting rod 78 and third connecting rod 80 are between driving link and driven member 82, promptly between the guide rod portion 60 and driven member 82 of first handle assembly 36.One end of first connecting rod 76 is connected in hinged mode with the guide rod portion 60 of first handle assembly 36.The other end of first connecting rod 76 is connected in hinged mode with an end of second connecting rod 78, and the other end of second connecting rod 78 can be pivoted relative to each other is connected on the connecting portion 42a of the first half housing 34a.One end of third connecting rod 80 is connected in hinged mode with the pars intermedia of second connecting rod 78.The other end of third connecting rod 80 is connected in hinged mode with driven member 82.
With reference to Fig. 5, driven member 82 V-shaped settings, the V-arrangement of V-arrangement driven member 82 84 is connected in hinged mode with the other end of third connecting rod 80 on one side.Be bolted to connection between the V-arrangement another side 86 of V-arrangement driven member 82 and the gripper shoe 24.The V-arrangement bottom 88 of V-arrangement driven member 82 is installed on the motor output shaft 30.Because driven member 82 fixedlys connected with gripper shoe 24, when driven member 82 when motor output shaft axis X 1 is rotated, gripper shoe 24 is also rotated in the gripper shoe plane around motor output shaft axis X 1 simultaneously.
With reference to Fig. 6 is the motion principle figure of plane multi-bar linkage, driving link (guide rod portion 60) is done rectilinear motion, when driving link (guide rod portion 60) when primary importance (position of solid line representative) moves to the second place (position of dotted line representative), driven member 82 is pivoted to the second place (position of dotted line representative) from primary importance (position of solid line representative), arrow A 1 is represented the direction of motion of driving link (guide rod portion 60), and arrow A 2 is represented the direction of motion of driven member 82.
Chain saw 20 comprises position-limit mechanism, is used for limiting the rotation of gripper shoe, thereby prevents the excessive rotation of gripper shoe and destruction U-shaped guard shield.With reference to Fig. 7, the end of motor 28 is equipped with motor bracket (not shown), and motor bracket is fixedlyed connected with motor 28, extends three protruded stigmas 90 along the direction of motor output shaft 30 from motor bracket, and this three protruded stigmas 90 uniformly-spaced are provided with along circumferencial direction.All be provided with first accepting hole 92 on each protruded stigma 90.Along the circumferential direction equally spacedly on the first connecting portion 42a of the first half housing 34a be provided with three kidney slots 94, kidney slot 94 along the circumferential direction extends.Above-mentioned three protruded stigmas 90 pass respectively in above-mentioned three kidney slots 94, and protruded stigma 90 can move along circumferencial direction in kidney slot 94.
With reference to Fig. 5, the V-arrangement of V-arrangement driven member 82 bottom 88 is roughly rounded simultaneously, and the place, middle part of this V-arrangement bottom 88 is provided with installing hole 96, and by this installing hole 96, driven member 82 is sheathed on the motor output shaft 30.Along the circumferential direction equally spacedly on this V-arrangement bottom 88 be provided with three second accepting holes 98, these three second accepting holes 98 align respectively with first accepting hole 92 on being located at above-mentioned three protruded stigmas 90, thereby make bolt can pass first accepting hole 92 and second accepting hole 98 simultaneously, so that V-arrangement driven member 82 is fixedlyed connected with protruded stigma 90, because V-arrangement driven member 82 is fixedlyed connected with gripper shoe 24, thereby makes gripper shoe 24 fixedly connected with protruded stigma 90.And V-arrangement driven member 82 is fixedly connected on the motor bracket, and this connected mode makes the pivoting action of driven member 82 can drive motor 28 and rotates together.
One end of each kidney slot 94 is provided with the first stop face 100, and the other end of kidney slot 94 is provided with the second stop face 102, and protruded stigma 90 is exercisable mobile in kidney slot 94, cooperates with the first stop face 100 and the second stop face 102 respectively.When protruded stigma 90 cooperates with the first stop face 100, working head 22 is accommodated in first receiving space 48, gripper shoe 24 rotates to the top of U-shaped guard shield 38, and this moment, working head 22 topmost maintained a certain distance with U-shaped guard shield 38, made working head 22 can not run into U-shaped guard shield 38 topmost.When protruded stigma 90 cooperates with the second stop face 102, working head 22 is accommodated in second receiving space 50, gripper shoe 24 rotates to U-shaped guard shield 38 bottom, and this moment, working head 22 maintained a certain distance bottom with U-shaped guard shield 38, made working head 22 can not run into U-shaped guard shield 38 bottom.
Be provided with torsion spring 106 (with reference to Fig. 7) between the first connecting portion 42a of the first half housing 34a and driven member 82, an end of torsion spring 106 is fixedlyed connected with the connecting portion 42a of the first half housing 34a.Driven member 82 is provided with aperture 108 (with reference to Fig. 5), and the other end of torsion spring 106 is contained in this aperture 108, and this connected mode makes torsion spring 106 be fixedly connected on the driven member 82.The purpose that torsion spring 106 is set is no matter when after cutting finishes, working head 22 initial position that all can rebound automatically, and in promptly working head 22 rebounded first receiving space 48, working head was contained in the U-shaped guard shield 38 fully, can guarantee the safety of operating like this.
Chain saw 20 comprises transmission mechanism 110 (with reference to Fig. 2) between motor 28 and working head 22, and transmission mechanism 110 comprises that sprocket wheel 112 is located on the motor output shaft 30 and can be with motor output shaft 30 around 1 rotation of motor output shaft axis X.Sprocket wheel 112 can drive flexible chain 26 with flexible chain 26 engagements and rotate around gripper shoe 24.
During work, be located at gauge tap 68 on first handle assembly 36 holding parts 62 with hand, will open motor 28, thereby motor output shaft 30 begins rotation, sprocket wheel 112 is with motor output shaft 30 rotations, and sprocket wheel 112 rotations drive flexible chain 26 and rotate around gripper shoe 24.Simultaneously, the operator holds the holding part 62 of first handle assembly 36, direction towards working head 22 promotes first handle assembly 36, guide rod portion 60 can move linearly along the longitudinal extending axis X2 of handle host cavity 59, effect by plane multi-bar linkage 72, gripper shoe 24 moves pivotally around motor output shaft axis X 1 in the gripper shoe plane, thereby begins cutting work.Because between gripper shoe 24 and the motor 28 is to fixedly connected, makes the pivot of gripper shoe 24 can drive motor 28 and rotate together.In the present embodiment, be by promoting first handle assembly 36 towards the working head direction, thereby gripper shoe 24 is pivoted realize cutting, it should be noted that, those of ordinary skills also can realize making gripper shoe 24 pivot and realizing cutting by towards drawing first handle assembly 36 away from the working head direction by the position of simple changing the plane multi-bar linkage 72.
With reference to Fig. 8 A, Fig. 8 B and Fig. 8 C are the working state schematic representation of chain saw 20, and Fig. 8 A is the schematic diagram of chain saw when being in off working state, and at this moment, working head 22 is contained in first receiving space 48 of U-shaped guard shield 38 fully.With reference to Fig. 8 B, to promoting first handle assembly 36, working head 22 will be along E to pivot, and begins workpiece is cut, and exposes gradually in first receiving space 48 towards D.With reference to Fig. 8 C, continue towards A to promoting first handle assembly 36, working head 22 continues along E to pivot, thus part enter second receiving space 50, and finish cutting to workpiece.
With reference to Fig. 9, chain saw 20 also comprises the workpiece of an extension rod with convenient cutting higher position, is second handle assembly 116 at this extension rod.Second handle assembly 116 comprises second handle assembly holding part 118 and second handle assembly extension 120.Second handle assembly extension 120 comprises that first end 122 and second end, 124, the first ends 122 are connected with second handle assembly holding part 118, and second end 124 is connected with first handle assembly 36.Between second end 124 and first handle assembly 36, be provided with retaining mechanism 126.Second handle assembly holding part 118 is D shape.
One side of second handle assembly holding part 118 is for gripping limit 128, and another side is a fillet 130, and the inboard that grips limit 128 is provided with gauge tap 132, and gauge tap 132 electrically connects with motor 28 and is used for controlling the startup of motor 28 and stopping.The two ends that grip limit 128 are provided with safety switch 134, and the two ends that are arranged at gripping limit 128 of safety switch 134 symmetries make with left hand still to be that right-hand operated is all more convenient.Fillet 130 links to each other with second handle assembly extension 120.
Second handle assembly extension 120 is the slender type bar of longitudinal extension, and this extension 120 can be made the form of expansion link.
With reference to Figure 10 and Figure 11, second end 124 is by retaining mechanism 126 and first handle assembly 36 dismountable fixedlying connected.Dismountable fixedly connected second end 124 and first handle assembly 36 of being meant is dismountable connections, and after both connect, just do not have relative motion between the two.Retaining mechanism 126 comprises lock bracket 144.On one side of lock bracket 144 at interval be provided with two tight pieces 146 of C clamp, be separately installed with a tight sheet 148 of C clamp on the tight piece 146 of each C clamp, be connected by bolt and nut between the tight piece 146 of C clamp and the tight sheet 148 of C clamp.Tight sheet 148 of C clamp and the tight piece 146 corresponding settings of C clamp form a holes for clamping 150 between the two, and second end 124 of second handle assembly 116 is contained in this holes for clamping 150.The cross sectional shape of second end of the shape of this holes for clamping 150 and second handle assembly 116 is complementary, and makes second end of second handle assembly 116 be clamped to wherein.
The holding part of first handle assembly is provided with handle accepting hole 152.This handle accepting hole 152 is to be limited together by the gripping limit 64 of first handle assembly 36 and fillet 66 to form.The shape of this handle accepting hole 152 roughly is D shape, lock bracket 144 dismountable being contained in this handle accepting hole 152, and the shape of the profile of lock bracket 144 and handle accepting hole 152 is roughly the same.
With reference to Figure 11, the opposite side of lock bracket 144 is provided with first mating surface 154.The gripping limit 64 of the holding part 62 of first handle assembly 36 and a side of fillet are provided with second mating surface 156, and lock bracket 144 is accommodated in the handle accepting hole 152, and second mating surface 156 and first mating surface 154 match and both shapes are complementary.Like this, when lock bracket 144 was accommodated in the described handle accepting hole 152, lock bracket 144 did not have any rotation in the handle accepting hole.When lock bracket 144 is accommodated in the handle accepting hole 152, be located at gauge tap 68 on the first handle assembly 36 support 144 that is locked and push down, be in the state that electrically conducts.
With reference to Figure 12, retaining mechanism 126 also comprises two locking knobs 158.Locking knob 158 exercisable holding parts 62 with first handle assembly 36 are clamped between lock bracket 144 and the locking knob 158.
The opposite side of the fillet 66 of the holding part 62 of first handle assembly 36 is provided with the 3rd mating surface 159 (with reference to Figure 11).
With reference to Figure 12, locking knob 158 comprises operating portion 160, main part 162 and mating part 164.Operating portion 160 is positioned at the top of locking knob 158, operates for operator's hand.Main part 162 is provided with the 4th mating surface 166.Mating part 164 is the column of threaded structure.What lock bracket 144 was provided with that two knob resettlement sections 168 are used for part accommodates locking knob 158.Knob resettlement section 168 comprise diameter less accommodate through hole 170 and diameter bigger accommodate cavity 172.Wherein diameter is less accommodates the column part that through hole 170 is used to accommodate the threaded structure of locking knob 158.Diameter is bigger accommodates the main part that cavity 172 is used to accommodate locking knob 158.The column of threaded structure comprises a free end, and this free end cooperates with nut, makes that locking knob 158 is installed on the lock bracket 144 reliably.Wherein, 166 selectable and the 3rd mating surface 159 cooperations of the 4th mating surface, both shapes are complementary.
Locking knob 158 is moved between the primary importance and the second place by rotatable.With reference to Figure 13 A, when locking knob 158 was positioned at primary importance, first mating surface 154 and second mating surface 156 cooperated; The 3rd mating surface 159 and the 4th mating surface 166 cooperate, and the holding part 62 of first handle assembly 36 is held between locking knob 158 and the lock bracket 144 tightly at this moment.
With reference to Figure 13 B, 180 degree rotational lock knobs 158, be positioned at the second place when locking knob 158 this moment, the 4th mating surface 166 be rotated away from the 3rd mating surface 159, promptly the 4th mating surface 166 is that be rotated mismatches with the 3rd mating surface 159.This moment, lock bracket 144 can take off from the handle accepting hole of first handle assembly.
With reference to Figure 14, establish on the first handle host side 40a of the first half housing 34a and long and narrow open 174.A C shape support 176 is installed in the guide rod portion 60 of first handle assembly 36, and this C shape support 176 is fixed in the guide rod portion 60 by bolt and nut.Stretch out the long and narrow opening 174 of C shape support 176 from the 40a of first handle host side.Second end of second handle assembly 116 is supported on the C shape support 176.C shape support 176 is an aluminum material.
With reference to Fig. 9, first handle assembly 36 and second handle assembly 116 electrically connect.The holding part 62 of first handle assembly 36 is provided with electric wire, and an end of this electric wire is connected with plug 177a, and the other end of this electric wire and gauge tap 68, motor 28 etc. electrically conduct.Second end 124 of second handle assembly 116 is provided with electric wire, and an end of this electric wire is provided with socket 177b, and this socket 177b can connect to be electrically connected with above-mentioned plug 177a.Second handle assembly holding part 118 is provided with plug 177c, and this plug 177c is used for being connected with external power source.The other end of electric wire electrically conducts by lead and the gauge tap of being located on the second handle assembly holding part 118.
In the time of need being installed on second handle assembly 116 on the first handle assembly 36, C shape support 176 be installed on the first handle assembly 36.In case after C shape support 176 is installed, just can lift down, when not needing second handle assembly 116 even if only use first handle assembly 36, C shape support 176 also can be retained on the first handle assembly 36, relatively saves trouble after can making like this.Lock bracket 144 is connected with locking knob 158, second handle assembly 116 is fixedlyed connected with lock bracket 144.Second end 124 of second handle assembly 116 is passed C shape support 176, and second end 124 of second handle assembly 116 just can be supported on the C shape support 176 like this.Push down the safety switch 70 and the gauge tap 68 of first handle assembly 36 simultaneously with hand, lock bracket 144 is passed in the handle accepting hole 152 of first handle assembly 36, when lock bracket 144 slowly enter in the handle accepting hole 152 time, unclamp safety switch 70 and gauge tap 68, rotational lock knob 158, make the 3rd mating surface 159 and the 4th mating surface 166 cooperate, the holding part 62 of first handle assembly 36 is clamped between lock bracket 144 and the locking knob 158 at this moment.In the socket 177b on the insertion of the plug 177a on the first handle assembly 36 second handle assembly, make first handle assembly 36 and second handle assembly 116 electrically connect.Second handle assembly 116 just is installed on the chain saw 20 reliably like this.
When needs cut the branch of higher position, can be installed on second handle assembly 116 on the chain saw 20 earlier according to the method described above.Carry out cutting work then, during cutting, the plug 177c on the second handle assembly holding part 118 is connected on the external power source.U-shaped pincers 56 are positioned on the branch that will cut, and prop up branch, this moment, operator one held second handle assembly holding part 118, control safety switch 134 and gauge tap 132 simultaneously, another holds second handle assembly extension 120, towards towards or promote or draw second handle assembly 116 away from the direction of working head 22, this moment, gripper shoe 24 will turn, began to cut branch.
With reference to Figure 15, the pars intermedia of the second handle assembly 116 of chain saw 20 is provided with a sleeve 178, and sleeve 178 is exercisable to be moved along pars intermedia.Chain saw 20 further comprises rope 180, and an end of rope 180 is connected on the main casing 34, and the other end of rope 180 is connected on the sleeve 178.Main casing 34 is provided with grab 182, and an end of rope 180 is hung on the grab 182.Sleeve 178 is provided with two walls 184 that radially extend, defined a guide groove 186 between the wall 184 that these two are radially extended, the other end of rope 180 passes from this guide groove, the place, middle part of each wall 184 is equipped with a pivotable elastic cam folder 188, each elastic cam folder 188 has a cam surface 190, cam surface 190 extends in the guide groove 186, and rope 180 is held between two cam surfaces 190, and cam presss from both sides 188 and exercisablely rope 180 is clamped or discharges.
Cut the thinner branch of higher position if desired, can be installed on second handle assembly 116 on the chain saw 20 earlier according to the method described above.Carry out cutting work then, during cutting, the plug 177c that is located on the second handle assembly holding part 118 is connected on the external power source.U-shaped jaw 56 is positioned on the branch that will cut, this moment, operator one held second handle assembly holding part 118, control safety switch 134 and gauge tap 132 simultaneously, another holds sleeve 178, towards towards or promote or draw second handle assembly 116 away from the direction of working head 22, this moment, gripper shoe 24 will turn, began to cut branch.
In other embodiments of the present utility model, bindiny mechanism can be pinion and rack (not shown).This pinion and rack generally includes the tooth bar of fixedlying connected with first handle assembly 36, with the gear of fixedlying connected with gripper shoe 24, by pushing away or draw first handle assembly 36, drives gripper shoe 24 rotations thereby can make gear pivot.
In another embodiment of the present utility model, bindiny mechanism can be pulley mechanism (not shown).Pulley mechanism generally includes pulley and rope, rope is placed on the pulley, one end of rope is fixedlyed connected with first handle assembly 36, the other end of rope is fixedly connected on the main casing 34, pulley is fixedlyed connected with gripper shoe 24 by driven member 82, and during operation, the operator is by pushing away or draw first handle assembly 36, pulley will drive driven member 82 and pivot, and rotates thereby driven member 82 drives gripper shoe 24.
Claims (10)
1. vegetation pruning machine comprises:
Cutting element;
Be used to support the gripper shoe of described cutting element;
Be used to drive the motor of described cutting element;
The first handle assembly;
The second handle assembly;
Retaining mechanism is used for being fixedly connected on described first handle assembly with described second handle assembly is dismountable;
It is characterized in that:
Establish bindiny mechanism between first handle assembly and the gripper shoe;
First handle assembly or the exercisable edge of second handle assembly towards or move linearly away from the direction of gripper shoe, described bindiny mechanism makes the linear movement of first handle assembly or second handle assembly be converted to the swing of gripper shoe.
2. vegetation pruning machine according to claim 1 is characterized in that: described vegetation pruning machine also comprises abutment walls, and this abutment walls is used for when work against workpiece.
3. vegetation pruning machine according to claim 1 is characterized in that: described vegetation pruning machine also comprises the U-shaped guard shield.
4. vegetation pruning machine according to claim 1, it is characterized in that: described first handle assembly comprises guide rod portion, described vegetation pruning machine comprises main casing, this main casing has the handle host cavity and is used to accommodate described guide rod portion, described handle host cavity has longitudinal extending axis X2, and the exercisable longitudinal extending axis along the handle host cavity of guide rod portion moves linearly.
5. vegetation pruning machine according to claim 1 is characterized in that: described bindiny mechanism is the plane multi-bar linkage.
6. vegetation pruning machine according to claim 1 is characterized in that: described vegetation pruning machine comprises position-limit mechanism, is used for limiting the swing of gripper shoe.
7. vegetation pruning machine according to claim 1, it is characterized in that: described second handle assembly comprises second handle assembly holding part and second handle assembly extension, described second handle assembly extension comprises first end and second end, described first end is connected with second handle assembly holding part, described second end is connected with described first handle assembly, and described retaining mechanism is between described second end and described first handle assembly.
8. vegetation pruning machine according to claim 1, it is characterized in that: described first handle assembly comprises the holding part, this holding part is provided with the handle accepting hole, and described retaining mechanism comprises lock bracket, and this lock bracket is dismountable to be contained in this handle accepting hole.
9. vegetation pruning machine according to claim 1, it is characterized in that: described first handle assembly comprises guide rod portion, dismountable C shape support that is fixedly connected with in this guide rod portion, described vegetation pruning machine comprises main casing, this main casing is provided with slotted opening, and described C shape support stretches out from slotted opening, and described C shape support can move along described slotted opening, described second handle assembly comprises extension, and this extension is supported on the described C shape support.
10. vegetation pruning machine according to claim 1, it is characterized in that: described vegetation pruning machine comprises main casing, described vegetation pruning machine also comprises the sleeve that slidably is installed on the described second handle assembly, described vegetation pruning machine further comprises rope, one end of described rope is connected on the described main casing, and the other end of described rope is connected on the described sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201663020U CN201479651U (en) | 2009-07-17 | 2009-07-17 | Plant pruning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201663020U CN201479651U (en) | 2009-07-17 | 2009-07-17 | Plant pruning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479651U true CN201479651U (en) | 2010-05-26 |
Family
ID=42418546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201663020U Expired - Lifetime CN201479651U (en) | 2009-07-17 | 2009-07-17 | Plant pruning machine |
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| Country | Link |
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| CN (1) | CN201479651U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011006446A1 (en) * | 2009-07-17 | 2011-01-20 | 苏州宝时得电动工具有限公司 | Vegetation trimmer |
| CN103416232A (en) * | 2012-05-17 | 2013-12-04 | 苏州宝时得电动工具有限公司 | Plant trimmer |
| CN103535201A (en) * | 2012-07-12 | 2014-01-29 | 苏州宝时得电动工具有限公司 | Plant cropper |
| CN103535202A (en) * | 2012-07-12 | 2014-01-29 | 苏州宝时得电动工具有限公司 | Plant cropper |
-
2009
- 2009-07-17 CN CN2009201663020U patent/CN201479651U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011006446A1 (en) * | 2009-07-17 | 2011-01-20 | 苏州宝时得电动工具有限公司 | Vegetation trimmer |
| CN101953275B (en) * | 2009-07-17 | 2012-07-18 | 苏州宝时得电动工具有限公司 | Plant trimmer |
| CN103416232A (en) * | 2012-05-17 | 2013-12-04 | 苏州宝时得电动工具有限公司 | Plant trimmer |
| CN103535201A (en) * | 2012-07-12 | 2014-01-29 | 苏州宝时得电动工具有限公司 | Plant cropper |
| CN103535202A (en) * | 2012-07-12 | 2014-01-29 | 苏州宝时得电动工具有限公司 | Plant cropper |
| CN103535202B (en) * | 2012-07-12 | 2015-09-09 | 苏州宝时得电动工具有限公司 | Plant pruning machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090717 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090717 |