CN208242227U

CN208242227U - Spool holding apparatus and grass-mowing machine for grass-mowing machine

Info

Publication number: CN208242227U
Application number: CN201820594655.XU
Authority: CN
Inventors: 魏娟; 张天才; 王夏宇
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2018-04-03
Filing date: 2018-04-24
Publication date: 2018-12-18
Anticipated expiration: 2028-04-24
Also published as: CN208256541U

Abstract

The utility model provides a kind of spool holding apparatus and grass-mowing machine for grass-mowing machine, and the spool holding apparatus includes fixing seat and the fixing piece to be detachably secured to drum in the fixing seat；The fixing piece includes the mounting portion for being connected to the fixing seat, the holding parts matched to the through-hole with drum and is formed in limiting section of the holding parts far from mounting portion one end；The limiting section is resilient setting, so that the through-hole that flexible deformation passes through drum can occur under external force for the limiting section, and backstop drum is detached from after drum installation when carrying out drum installation or removal.The utility model spool holding apparatus and grass-mowing machine are simple for structure, fixed reliable, and are able to achieve drum and more easily dismount with shell.

Description

Spool holding apparatus and grass-mowing machine for grass-mowing machine

Technical field

The utility model relates to power tools technology field more particularly to a kind of spool holding apparatus for grass-mowing machine and Grass-mowing machine.

Background technique

Grass-mowing machine is widely used in the finishing in lawn, garden, pasture etc. as common garden instrument.Normally, existing Grass-mowing machine drives the line high speed rotation of beating the grass drawn from drum using motor, to realize that the cutting of weeds is repaired.It is aforementioned to beat the grass Line wears more serious in using process, needs the timely unwrapping wire of drum, and guarantee is beaten the grass efficiency.But it is limited to the volume and again of drum Amount requires, and also needs thread-changing again when the line of beating the grass of winding storage exhausts in the drum；On the other hand, site environment and operation need It asks and has nothing in common with each other, it is sometimes desirable to the applicable line of beating the grass of scene replacement.In consideration of it, disclosing beating the grass with spare drum in the industry Machine, but the installation fixed form of spare drum still needs to be further improved.

Utility model content

The purpose of this utility model is to provide a kind of spool holding apparatus and grass-mowing machine for grass-mowing machine, structure letters It is clean, and be able to achieve drum and more easily dismounted with shell.

To realize above-mentioned purpose of utility model, the utility model provides a kind of spool holding apparatus for grass-mowing machine, Including fixing seat and the fixing piece to be detachably secured to drum in the fixing seat；The fixing piece includes being connected to institute It states the mounting portion of fixing seat, the holding parts matched to the through-hole with drum and is formed in the holding parts far from mounting portion one The limiting section at end；The limiting section is resilient setting, so that the limiting section can be outside when carrying out drum installation or removal Power effect is lower to occur the through-hole that flexible deformation passes through drum, and backstop drum is detached from after drum installation.

The holding parts include that the first fixing arm being oppositely arranged and second are solid as a further improvement of the utility model, Gripping arm, it is described first fixing arm away from fixing seat one end and second fixing arm away from fixing seat one end with the limiting section It is connected, and when elastic deformation occurs for the limiting section, the relative position of the first fixing arm and the second fixing arm is also sent out Raw corresponding change.

The mounting portion includes the fixation being fixedly connected on the fixing seat as a further improvement of the utility model, Mounting portion, the active installation division of flexible connection on the fixing seat, the fixed installation portion are connected with the first fixing arm；Institute Active installation division is stated to be connected with the second fixing arm.

The fixing seat is formed with the receiving to accommodate the mounting portion as a further improvement of the utility model, Chamber, the fixed installation portion are fixed in the accommodating chamber；The accommodating chamber is formed with the movable mounting hole of strip, so that The active installation division can be mobile toward and away from the fixed installation portion in the accommodating chamber, and the movable mounting hole Length is less than the development length of the active installation division.

The active installation division, the first fixing arm and the second fixing arm are in as a further improvement of the utility model, Same plane, the active installation division linearly extends and the active installation division and described second holds at an acute angle between arm set It sets.

The limiting section has the one end for deviating from fixing seat from the first fixing arm as a further improvement of the utility model, It bends the first lug extended to form, bend the second lug extended to form away from one end of fixing seat from the second fixing arm.

The fixing piece is integrally formed by elastic metallic yarn and is made as a further improvement of the utility model,.

The utility model also provides a kind of grass-mowing machine, and the shell of the upper end of the extension rod is arranged in including extension rod, connection Body, action component and foregoing spool holding apparatus positioned at the extension rod lower end, the fixing piece connection setting On the housing.

The shell is formed with handle as a further improvement of the utility model, and what is matched with the extension rod inserts Socket part, the fixing piece are installed on the plug division.

The plug division is formed with support along the radially projecting of the extension rod as a further improvement of the utility model, Protrusion, and when drum is fixed on the shell, the drum is abutted against with the support protrusion.

The beneficial effects of the utility model are: effectively avoiding beating using the utility model spool holding apparatus and grass-mowing machine Careless line exhausts, and facilitates drum or line replacement of beating the grass；It is simple for structure, it is convenient for disassembly and assembly.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model grass-mowing machine；

Fig. 2 is the decomposition diagram of the utility model grass-mowing machine part-structure；

Fig. 3 is the utility model switch block the first application state cross-sectional view

Fig. 4 is the utility model switch block the second application state cross-sectional view；

Fig. 5 is the enlarged diagram of a-quadrant in Fig. 4；

Fig. 6 is the structural schematic diagram of the interlocking bar of the utility model switch block；

Fig. 7 is the structural schematic diagram of the Operation switch of the utility model switch block；

Fig. 8 is the enlarged diagram of B area in Fig. 4；

Fig. 9 is the structural schematic diagram of the fixing piece of the utility model spool holding apparatus.

Specific embodiment

The utility model is described in detail below with reference to embodiment shown in the drawings.But the embodiment is not Limit the utility model, structure that those skilled in the art are made according to the embodiment, method or functionally Transformation is all contained in the protection scope of the utility model.

Refering to fig. 1, grass-mowing machine 100 provided by the utility model includes shell 1, extension rod 2 and action component 3, the shell Body 1 and action component 3 are divided into the upper and lower ends of extension rod 2.The shell 1 be formed with convenient for manpower grasp handle 11 and with The plug division 12 that the extension rod 2 matches, the upper end of the extension rod 2 are inserted in the plug division 12.The grass-mowing machine 100 further include the power supply 4 for being fixed on 11 lower section of handle, the arm-rest frame 5 being fixedly mounted on extension rod 2.

As shown in connection with fig. 2, the shell 1 includes the first shell 13 being oppositely arranged, second shell 14 and is fixedly connected Several screws 15 of the first shell 13 and second shell 14.The grass-mowing machine 100, which also has, is electrically connected the action group The power supply line 6 of part 3 and power supply 4, the power supply line 6 are equipped with microswitch 61.

The utility model additionally provides a kind of switch block and the garden instrument with the switch block.Here, before only For stating grass-mowing machine 100, the switch block includes mounting base, and the mounting base is set as a part of the shell 1, described Switch block further includes the Operation switch 71 and interlocking bar 72 being movably arranged on the shell 1.

In conjunction with shown in Fig. 3 to Fig. 7, the switch block is installed at the handle 11 and the microswitch 61 is cooperated to set It sets, the handle 11, which is formed with, to be extended in a first direction and the fitting groove 111 to install the interlocking bar 72.The interlocking bar 72 have and are contained in the shell 1 and in the ontology 721 of bar shaped plate and are connected to the ontology 721 towards outside shell 1 The button 722 of one end, the button 722 can be also wholely set with ontology 721.Wherein, the ontology 721 is in the fitting groove It can linearly be moved back and forth along first direction in 111.

The Operation switch 71 has the operation portion 711 at least partly stretching out the shell 1；The handle 11 is also formed There is the installation opening 112 corresponding to the operation portion 711.Usually in actual operation, the installation opening 112 and operation portion 711 are right It should refer to inside in manpower curved four, the button 722 is located at the opening of the fitting groove 111, in order to pressing for thumb Press operation.

The Operation switch 71 has open state and off-state；The interlocking bar 72 can be along first direction at first It sets and is linearly moved back and forth between the second position, the first direction, that is, ontology 721 extending direction.The switch block is also Including the first elastic component being arranged between the interlocking bar 72 and shell 1.It is described when the Operation switch 71 is in an off state Interlocking bar 72 is in first position under the action of the first elastic component, and the Operation switch 71 is prevented to switch to open state； When the interlocking bar 72 is moved to the second position along first direction under external force, the Operation switch 71 be can switch to out State is opened, and the Operation switch 71 in the open state can prevent the interlocking bar 72 in the effect of first elastic component Under return back to first position.

Specifically, the interlocking bar 72, which has, is formed in the ontology 721 and along the locking part of first direction adjacent distributions 723 and solution lock section 724, the Operation switch 71 be formed with auxiliary section from the operation portion 711 towards 72 projection of interlocking bar 712.The locking part 723 is formed with the supporting surface 7231 to abut against with the auxiliary section 712, and the solution lock section 724 is set Be set to the opening through the ontology 721, and make the auxiliary section 712 can be visited towards one end of interlocking bar 72 extend into it is described Opening.

The Operation switch 71 also has the trigger unit 713 that is contained in the shell 1, the trigger unit 713 with it is described The control terminal of microswitch 61 matches.When the Operation switch 71 is in the open state, the trigger unit 713 presses on described The control terminal of microswitch 61, the microswitch 61 are opened, and power supply line 6 is connected；The Operation switch 71, which is in, disconnects shape When state, the trigger unit 713 cancels the pressure to the control terminal of the microswitch 61, i.e., so that the trigger unit 713 and institute The control terminal separation of microswitch 61 is stated, the microswitch 61 is closed, and power supply line 6 is disconnected.In the present embodiment, the behaviour Make to be equipped with connecting hole 714 between portion 711 and trigger unit 713, the auxiliary section 712 and trigger unit 713 are located at connecting hole 714 Two sides.The shell 1 is formed with the pivotal axis 16 for being arranged in the connecting hole 714, so that the Operation switch 71 can edge The pivotal axis 16 rotates.

The switch block further includes the second elastic component being set between the operation portion 711 and shell 1, and the operation is opened When closing 71 not by external force, it can be remained off under the action of second elastic component.Specifically, when the operation is opened When pass 71 is in an off state, the interlocking bar 72 is in first position, the auxiliary section 712 under the action of the first elastic component It is abutted against with the supporting surface 7231 of locking part 723 to prevent the Operation switch 71 from switching to open state.Operation button 722, The interlocking bar 72 is moved along first direction under external force, and the auxiliary section 712 is separated with 723 phase of locking part, and described When interlocking bar 72 is moved to the second position, the opening of the solution lock section 724 is corresponding with 712 position of auxiliary section, press operating part 711, Operation switch 71 can be made to rotate around pivotal axis 16, the Operation switch 71 switches to open state.Also, the cooperation It portion 712, at this time can release button 722, the auxiliary section 712 and solution lock section 724 partially into the opening of the solution lock section 724 It matches and the interlocking bar 72 is prevented to return back to first position under the action of the first elastic component.Unclamp operation portion 711, the behaviour Off-state can be returned back under the action of the second elastic component by making switch 71, and accordingly, solution lock section is left in the auxiliary section 712 724 opening, the interlocking bar 72 return back to first position under the action of the first elastic component.

The interlocking bar 72 also has the mounting portion 725 to install first elastic component, the mounting portion 725, solution Lock section 724 and locking part 723 are sequentially distributed along the first direction.First elastic component is to set along first direction extension The first spring 73 set, second elastic component are second spring 74.The mounting portion 725 includes to accommodate first bullet The mounting hole 7251 of spring 73 is formed in the first positioning column 7252 in the mounting hole 7251 and extended in a first direction, described First spring 73 is set on first positioning column 7252.Wherein, 721 thickness of ontology of the interlocking bar 72 is less than the first bullet The diameter of spring 73, so that the first spring 73 being mounted on the first positioning column 7252 radially stretches out the mounting hole 7251；The ribs 113 and barrier rib 114 to match with first spring 73 are formed with inside the handle 11.When For the interlocking bar 72 along first direction towards when moving inside handle 11, first spring 73 deviates from the one of the first positioning column 7252 End is abutted against with the ribs 113, and the first spring 73 is compressed, described then when the revocation of the external force of the interlocking bar 72 First spring 73 drives interlocking bar 72 to return back to first position.When first spring 73 is in first position, first bullet The one end of spring 73 far from ribs 113 is in contact with the barrier rib 114, with prevent the 72 self-chambering slot allocation 111 of interlocking bar to Outer abjection.

Herein, the mounting hole 7251 is generally rectangular shaped, and the mounting hole 351 has first extended in a first direction Side 7253, the second side 7254 for connecting first side 7253.The spacing of two first sides 7253 and first spring 73 diameter is adapted, to guarantee that first spring 73 can more successfully stretch along the first direction；Two article The spacing of dual side-edge 7254 is slightly less than the development length under 73 free state of the first spring, in favor of installation to the installation The first spring 73 in hole 7251 keeps one with the interlocking bar 72.Also, first positioning column 7252 is from described in one Second side 7254 extends towards another second side 7254, and the top of first positioning column 7252 is apart from the second of opposite side The distance of side 7254 is greater than the minimal elastic reduction length of first spring 73, to realize tearing open for first spring 73 Dress.

The operation portion 711 is also formed with the second positioning column 715,74 sets of the second spring towards 72 projection of interlocking bar It is located on second positioning column 715.Specifically, the operation portion 711 is formed with towards 1 interior side of shell opening and sets The groove 7111 set, second positioning column 715 is from the bottom of the groove 7111 towards 1 inside projection of shell, the groove 7111 positions for corresponding to the second positioning column 715 are also formed with mounting groove compatible with the diameter of the second spring 74 7112, so that the installation of the second spring 74 positions.

To sum up, the switch block structure is more succinct, securely and reliably, and it is easy for installation；The grass-mowing machine 100 realizes peace While complete self-locking, operate more convenient laborsaving.

The utility model also provides a kind of spool holding apparatus, and the spool holding apparatus has fixing seat, in this implementation In example, the fixing seat is set as a part of the shell 1.

The action component 3 has the motor (not shown) for being connected to the power supply 4.The grass-mowing machine 100 further includes two A drum 8, the drum 8 lead to line 81 of beating the grass, and the center of the drum 8 is additionally provided with through-hole 82.Described in one of them Drum 8 is set to the action component 3, and when the power supply line 6 connects, the motor drives beating the grass for the drum 8 extraction 81 rotary work of line；Another described drum 8 is used as spare drum, is detachably secured on the shell 1.

In conjunction with shown in Fig. 8 and Fig. 9, the spool holding apparatus also has fixing piece 9, and the fixing piece 9 is installed on described The plug division 12 of shell 1.Specifically, the fixing piece 9 include be connected to the shell 1 mounting portion 91, to drum 8 The holding parts 92 and be formed in the limiting section 93 that the holding parts 92 deviate from 91 side of mounting portion that through-hole 82 matches.The limit Portion 93 is resilient setting, and the limiting section 93 is mounted on the drum 8 on the shell 1 to backstop and is detached from, also, the limit Elastic deformation can occur under external force for portion 93, so that the limiting section 93 may pass through the through-hole 82, realize drum 8 It fixes or separates.

In being integrally formed, the fixing piece 9 is resilient setting for the mounting portion 91, holding parts 92 and the setting of limiting section 93. Preferably, the fixing piece 9 is bent into using elastic metallic yarn, such as steel wire.In practical application, the mounting portion 91 is set to The joint of the first shell 13 and second shell 14, the first shell 13, second shell 14 are completed before mutual fasten The location and installation of the mounting portion 91.

The mounting portion 91 includes the fixed installation portion 911 being fixedly connected on the shell 1, is movably connected in the shell Active installation division 912 on body 1；The holding parts 92 include that the first fixing arm 921 and second being oppositely arranged holds arm 922, It is described first fixing arm 921 away from mounting portion 91 one end, second fixing arm 922 away from mounting portion 91 one end with the limit Position portion 93 is connected, and the first fixing arm 921 is connected with fixed installation portion 911；The second fixing arm 922 and activity Mounting portion 912 is connected.

The plug division 12 of the shell 1 is formed with the accommodating chamber 17 to accommodate the mounting portion 91, the accommodating chamber 17 It is formed with and the external fixed mounting hole 171 being connected and movable mounting hole 172.The aperture of the fixed mounting hole 171 and institute The diameter for stating elastic metallic yarn is adapted, to avoid the 911 offset activity of fixed installation portion；The fixed installation portion 911 has extremely Dogleg section at few one, is installed in the accommodating chamber 17 so that the fixed installation portion 911 can stablize.The activity peace Dress hole 172 is in long strip and is arranged along the extending direction of the plug division 12, and the active installation division 912 can be in the accommodating chamber It is mobile toward and away from the fixed installation portion 911 in 17.Preferably, the movable mounting hole 172 is along perpendicular to the grafting The width of 12 extending direction of portion is adapted with the diameter of the elastic metallic yarn, deviates institute to avoid the active installation division 912 The extending direction for stating plug division 12 is swung；Also, the activity mounting hole 172 is small along the length of 12 extending direction of plug division In the active installation division 912 along the setting length of the extending direction of the plug division 12, to avoid the active installation division 912 Deviate from from the accommodating chamber 17.

Except this, the active installation division 912 is linearly extended, and the active installation division 912 squeezes in external force and makees Under, it can be in contact in the accommodating chamber 17 far from the inner wall 173 of 93 side of holding parts 92 and limiting section.To avoid the work In dynamic 912 active procedure of mounting portion, more sharp end 9121 is held on the inner wall 173 of the accommodating chamber 17, in turn Active installation division 912 is caused to be difficult to smoothly spring back reset.Herein, the active installation division 912, first holds arm 921 and second Hold the setting of arm 922 in the same plane, the active installation division 912 is directed away from a lateral bending of the first fixing arm 921 Folding, and make setting at an acute angle between the active installation division 912 and the second fixing arm 922.Whereby, the activity installation The end 9121 in portion 912 effectively avoids scraping with the inner wall 173 of accommodating chamber 17, even occur in pressing active procedure Stuck phenomenon.

The limiting section 93, which has from the first fixing arm 921, bends the first lug extended to form away from one end of shell 1 931, the second lug 932 extended to form is bent away from one end of shell 1 from the second fixing arm 922.When the drum 8 is fixed on When on the shell 1, the first lug 931 and the second lug 932 withhold the drum on the shell 1, and institute It states the first fixing arm 921 to abut against with the second fixing arm 922 and the inner wall of the through-hole 82, to preferably keep the position of drum 8 Set state.When loading onto or removing drum 8, elastic deformation occurs for extruding of the limiting section 93 by through-hole 82, fixing piece 9, The relative position of the first fixing arm 921 and the second fixing arm 922 changes simultaneously, and then realizes the dismounting of drum 8.

Except this, the plug division 12 is formed with support protrusion 121 along the radially projecting of the extension rod, and the drum 8 is solid When on the fixed extremely shell 1, the drum 8 is abutted against with the support protrusion 121.The drum 8 deviates from the support protrusion 121 side is also in contact with the shell 1, to realize the more firm installation of drum 8.Preferably, the handle 11 is adjacent to institute The position for stating plug division 12 is formed with to be oppositely arranged and the supporting surface to abut against with drum 8 with the support protrusion 121 115。

To sum up, the utility model spool holding apparatus is convenient for being fixed on drum 8 on the shell of the grass-mowing machine 100.Have The effect line 81 that avoids beating the grass exhausts, and provides depending on the site environment convenient for user and demand selects more applicable line 81 of beating the grass；And And the spool holding apparatus is simple for structure, it is convenient for disassembly and assembly.

It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiments of understanding.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

Claims

1. a kind of spool holding apparatus for grass-mowing machine, including fixing seat and described drum (8) to be detachably secured to Fixing piece (9) in fixing seat, it is characterised in that: the fixing piece (9) include the mounting portion (91) for being connected to the fixing seat, The holding parts (92) that match to the through-hole (82) with drum (8) and it is formed in limit of the holding parts far from mounting portion one end Position portion (93)；The limiting section (93) is resilient setting, so that when carrying out drum (8) installation or removal, the limiting section (93) through-hole (82) that flexible deformation passes through drum (8), and the backstop drum after drum (8) installation can occur under external force (8) it is detached from.

2. spool holding apparatus according to claim 1, it is characterised in that: the holding parts (92) include being oppositely arranged First fixing arm (921) and the second fixing arm (922), first fixing arm (921) are solid away from one end of fixing seat and second Gripping arm (922) is connected with the limiting section (93) away from one end of fixing seat, and when elasticity occurs for the limiting section (93) When deformation, corresponding change also occurs for the relative position of first fixing arm (921) and the second fixing arm (922).

3. spool holding apparatus according to claim 2, it is characterised in that: the mounting portion (91) includes being fixedly connected on Fixed installation portion (911), the active installation division (912) of flexible connection on the fixing seat in the fixing seat, it is described solid Determine mounting portion (911) to be connected with the first fixing arm (921)；The active installation division (912) is connected with the second fixing arm (922) It connects.

4. spool holding apparatus according to claim 3, it is characterised in that: the fixing seat is formed with described to accommodate The accommodating chamber (17) of mounting portion (91), the fixed installation portion (911) are fixed in the accommodating chamber (17)；The accommodating chamber (17) it is formed with the movable mounting hole (172) of strip, so that the active installation division (912) can be in the accommodating chamber (17) It is interior mobile toward and away from the fixed installation portion (911), and the length of the movable mounting hole (172) is less than the activity peace The development length in dress portion (912).

5. spool holding apparatus according to claim 4, it is characterised in that: the active installation division (912), the first fixing Arm (921) is in same plane with the second fixing arm (922), and the active installation division (912) linearly extends and the activity Setting at an acute angle between mounting portion (912) and second fixing arm (922).

6. spool holding apparatus according to claim 2, it is characterised in that: the limiting section (93) has from the first fixing Arm (921) bends the first lug (931) extended to form away from one end of fixing seat, deviates from from the second fixing arm (922) and fix One end of seat bends the second lug (932) extended to form.

7. spool holding apparatus according to claim 1, it is characterised in that: the fixing piece (9) is by elastic metallic yarn one It is body formed to be made.

8. a kind of grass-mowing machine, including extension rod (2), connection setting in the shell (1) of the upper end of the extension rod (2) and positioned at institute State the action component (3) of extension rod (2) lower end, it is characterised in that: the grass-mowing machine further includes such as any one of claim 1-7 institute The spool holding apparatus stated, fixing piece (9) connection are arranged on the shell (1).

9. grass-mowing machine according to claim 8, it is characterised in that: the shell (1) be formed with handle (11) and with it is described The plug division (12) that extension rod (2) matches, the fixing piece (9) are installed on the plug division (12).

10. grass-mowing machine according to claim 9, it is characterised in that: diameter of the plug division (12) along the extension rod (2) Be formed with support protrusion (121) to projection, and when drum (8) is fixed on the shell (1), the drum (8) with it is described Support protrusion (121) abuts against.