CN105432238A - mower and safety device thereof - Google Patents
mower and safety device thereof Download PDFInfo
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- CN105432238A CN105432238A CN201410414446.9A CN201410414446A CN105432238A CN 105432238 A CN105432238 A CN 105432238A CN 201410414446 A CN201410414446 A CN 201410414446A CN 105432238 A CN105432238 A CN 105432238A
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- swingle
- safety device
- safety
- mower
- convergence piece
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Abstract
The invention discloses a mower and a safety device thereof, wherein the safety device comprises: the safety key comprises a switch box, a locking assembly, an operating piece, a circuit switch and a safety key, wherein at least part of the safety key can be inserted into the slot and rotates relative to the switch box; the switch box is provided with a slot; the locking assembly comprises an engagement piece which can be controlled by the operating piece to trigger the circuit switch when the locking assembly is in a trigger position; the security key comprises: a pressing portion capable of pressing the link member to the trigger position after rotating a predetermined angle with respect to the switch case; the invention has the advantages that: the safety device is provided with a safety key which is not easy to replace and has better safety, and the mower with the safety device is provided; only certain security keys enable the user to operate the mower efficiently.
Description
Technical field
The present invention relates to a kind of garden instrument, be specifically related to a kind of mower and safety device thereof.
Background technology
Mower is also known as weeder, grass mower, lawn mower etc.Mower be a kind of for cutting the grass on a lawn, the machine tool of vegetation etc., it is made up of cutterhead, engine, road wheel, running gear, blade, handrail, control section.Cutterhead is contained on road wheel, and cutterhead is equipped with engine, and the output shaft of engine is equipped with blade, and blade utilizes the High Rotation Speed of engine to improve in speed a lot, saves the activity duration of weeding workman, decreases a large amount of human resources.
Existing mower major part is the power-operated mower using electro-motor as power source.
Because mower is a kind of high-power instrument, so very high to the requirement of its safety, generally speaking, according to existing safety standard, mower is except one for the main operation trigger of user operation, and be also provided with a safety device and realize dual fail-safe, this safety device safety device is traditionally arranged to be key and corresponding keyhole, when key is for being inserted into keyhole, main operation trigger can not make mower work thus ensure that use safety.
But in existing safety device, key is easily replaced by other the object being similar to its shape, so safety performance can not be guaranteed; If by increasing extra safeties, adding cost and making user operation become loaded down with trivial details simultaneously.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide and a kind of there is the safety device being not easy replaced, the good safety key of safety and the mower with this safety device safety device.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Be applicable to a safety device for mower, comprise: switch module and safety key,
Switch module comprises: switch enclosure, is arranged on the locked component in switch enclosure, an operating parts that can be user-operably, and one at least has disconnection and the contactor being communicated with two states; Safety key comprises: a panel, the swingle of a relative panel rotation of energy; Switch enclosure is provided with the key slot supplying the swingle of safety key to insert along first direction, and during swingle insertion key slot, the shaft parallel of its relative panel rotation is in first direction; Key slot is provided with one can make swingle insert along first direction the guide part that phase counter plate rotates predetermined angle; Swingle is provided with an oppression department; Locked component comprises: energy moves along first direction also can be parallel to the convergence piece of the axis of rotation of first direction; Convergence piece comprises: an oppressed portion of energy contacts thus makes convergence piece move to the pressure-bearing portion of the primary importance on first direction, is connected a trigger unit making described operating parts can control described contactor when convergence piece is in the primary importance of first direction; Operating parts at least can rotate for axle with the axis perpendicular to first direction relative to switch enclosure, and contactor comprises a shift knob; Only when convergence piece is in the primary importance of first direction, operating parts is by contacting convergence piece thus indirect gauge tap button.
Further, safety key also comprises: a locating dowel, and switch enclosure is also provided with a locating slot inserted for locating dowel.
Further, the first biased element making swingle rotate reset is provided with between swingle and panel.
Further, locked component also comprises: can make the second biased element that convergence piece resets along first direction away from its primary importance.
Further, guide part comprises a guide rail, and the oppression department of swingle comprises a briquetting embedded at least partly in guide rail.
Be applicable to a safety device for mower, comprise: switch module, switch module comprises: switch enclosure, is arranged on the locked component in switch enclosure, an operating parts that can be user-operably, and one at least has disconnection and the contactor being communicated with two states; Switch enclosure is provided with a slot; Locked component comprises an energy and is controlled by operating parts when being in trigger position and then the convergence piece of circuits for triggering switch; Safety device safety device also comprises: one can be inserted slot and the safety key rotated relative to switch enclosure at least partly; Safety key comprises: can oppress the oppression department of convergence piece to trigger position for one after relative switch enclosure turns over predetermined angle.
Further, safety key comprises: a panel, the swingle of a relative panel rotation of energy; Oppression department is arranged at swingle.
Or safety key comprises: a swingle, swingle is provided with oppression department.
Or safety key comprises: a panel and a swingle fixed with it, oppression department is arranged at swingle.
A kind of mower, comprising: main frame, operating handle; Main frame comprises: motor and power supply, and its this mower also comprises: foregoing safety device, and switch enclosure is arranged at operating handle at least partly, and contactor controls whether power supply is motor power supplying.
Usefulness of the present invention is: provide a kind of and have the safety device being not easy replaced, the good safety key of safety and the mower with this safety device safety device; Only have particular safety key that user just can be made effectively to operate mower.
Accompanying drawing explanation
Fig. 1 is a preferred embodiment of mower of the present invention;
Fig. 2 is the schematic diagram of safety device when safety key just inserts in mower shown in Fig. 1;
Fig. 3 is that the safety device shown in Fig. 2 is inserted into the schematic diagram of a half at safety key;
The schematic diagram that Fig. 4 is the safety device shown in Fig. 3 when safety key makes convergence piece be in trigger position;
Fig. 5 is the schematic diagram of middle safety key embodiment illustrated in fig. 1;
Fig. 6 is the schematic diagram of another angle of safety key shown in Fig. 5;
Fig. 7 is the cross-sectional schematic of safety key shown in Fig. 5;
Fig. 8 is the schematic diagram at breaker in middle box slot place embodiment illustrated in fig. 1;
Fig. 9 is the schematic diagram of middle contactor embodiment illustrated in fig. 1, convergence piece, operating parts;
Figure 10 is the inside structure schematic diagram of breaker in middle box upper box cover embodiment illustrated in fig. 1;
Figure 11 is the inside structure schematic diagram of breaker in middle box lower casing embodiment illustrated in fig. 1;
Figure 12 is the structural representation of middle convergence piece embodiment illustrated in fig. 1;
Figure 13 is the structural representation after middle cross handle place removing upper box cover embodiment illustrated in fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
Shown in 9, the mower 100 that is applicable to of the present invention comprises: main frame 10, operating handle 20 and safety device 30.
Wherein, main frame 10 comprises: motor (not shown), power supply (not shown) and cutting tool (not shown).
Wherein, power supply is that motor power supplying makes its output shaft rotation, and the output shaft of motor drives cutting tool motion to realize weeding operation by corresponding transmission mechanism (not shown).
Motor can be controlled by the break-make controlling circuit between power supply and motor whether to work.
Operating handle 20 comprises: for the cross handle 21 be user-operably and the connecting rod 22 it be connected with main frame 10.
Safety device 30, comprising: switch module 31 and safety key 32.
Wherein, switch module 31 comprises: switch enclosure 33, locked component 34, operating parts 35, contactor 36.
Switch enclosure 33 is at least provided with a slot 331, and locked component 34 comprises an energy and controlled by operating parts 35 when being in trigger position and then the convergence piece 341 of circuits for triggering switch 36.
Safety key 32 can be inserted into slot 331 at least partly, and this part insertion is rotated relative to switch enclosure 33.
Safety key 32 is provided with an oppression department 321 in the part that can rotate, and this oppression department 321 can oppress convergence piece 341 to trigger position after relative switch enclosure 33 turns over certain angle.
Major design of the present invention design is that use safety key 32 does not directly insert unblock, but makes safety key 32 act on convergence piece 341, and then convergence piece 341 is in make operating parts 35 can the state of circuits for triggering switch 36, thus realizes unlocking.
And just can act on convergence piece 341 by this part design of safety key 32 and switch enclosure 33 slot 331 being made to oppression department 321 in safety key 32 after turning an angle, other keys of non-invention design then can not realize unlocking.
As specific embodiment, with reference to shown in Fig. 5 to Fig. 7, safety key 32 comprises: the swingle 38 that a panel 37, energy rotates relative to panel 37.
Preferably, swingle 38 to consist of with panel 37 screw 322, packing ring 323 and is rotationally connected, the first biased element 324 making swingle 38 can rotate reset is provided with between swingle 38 and panel 37, specifically the first biased element 324 is a torque spring, and it orders about swingle 38 is reset to initial setting position when free state.
Switch enclosure 33 is provided with the slot 331 supplying the swingle 38 of safety key 32 to insert along first direction A.
Make it roughly extend along first direction A when designing this slot 331, when making swingle 38 insert slot 331, the shaft axis B that swingle 38 rotates relative to panel 37 is parallel to first direction A.More specifically, the part that swingle 38 inserts slot 331 is cylinder, and swingle 38 is this cylindrical axis of rotation relative to the axis B that panel 37 rotates.Slot 331 is configured to a part for a Column groove adapted or Column groove simultaneously, and so, when swingle 38 inserts slot 331, the pivot center B of swingle 38 can be parallel to first direction A.
Slot 331 is provided with one can make swingle 38 insert along first direction A the guide part 332 that phase counter plate 37 rotates predetermined angle.The effect of guide part 332 is swingle 38 guiding swingle 38 when inserting is rotated.
As preferably, guide part 332 comprises a guide rail 333, and this guide rail 333 is the track of one section of hollow out.
Swingle 38 is provided with an oppression department 321; This oppression department 321 comprises: a briquetting 321a, and this briquetting 321a is formed at the cylindrical end of swingle 38 and roughly protrudes from swingle 38 along this cylindrical radial direction.
When safety key 32 inserts, briquetting 321a is embedded in guide rail 333, and guide rail 333 is one section of helical orbit, now along with the insertion of swingle 38, guide rail 333 acts on briquetting 321a makes the relative panel 37 of swingle 38 rotate, thus makes briquetting 321a go to the position that can act on convergence piece 341.
As further preferred version, with reference to shown in Fig. 2 to Fig. 4 and Figure 10 to Figure 11, switch enclosure 33 comprises: upper box cover 301 and lower casing 302, and they cover the switch enclosure 33 forming and have certain inner space up and down.Wherein, upper box cover 301 is provided with the first structural portion 334, lower casing 302 is provided with the second structural portion 335, they have corresponding curved wall and the edge of inclination, surround the slot 331 of a relative closure to make them and formed guide rail 333 by moving towards identical edge, first structural portion 334 and the second structural portion 335 integrally can be made up of upper box cover 301 or lower casing 302, also can independently form by part, first structural portion 334 and the second structural portion 335 all have the inwall of a circular arc to form slot 331, between first structural portion 334 and the second structural portion 335 be separated by a distance and they form the both sides of guide rail 333 respectively at this edge, place.
Locked component 34 effect is, unlocks when inserting safety key 32, makes operating parts 35 can control circuit switch 36, when extracting safety key 32, operating parts 35 can not be formed contactor 36 and control, thus lock-in circuit switch 36 being in the state of setting.
Specifically, locked component 34 comprises: energy moves along first direction A also can be parallel to the convergence piece 341 of the axis of rotation of first direction A.
Convergence piece 341 can move relative to switch enclosure 33 direction also can inserted along safety key 32, and move also can with the axis of this safety key 32 direction of insertion parallel for axle rotates.
Specifically, convergence piece 341 comprises: an oppressed portion 321 of energy contacts thus makes convergence piece 341 move to the pressure-bearing portion 341a of the primary importance on first direction A, and one makes operating parts 35 can the trigger unit 341b of control circuit switch 36 when convergence piece 341 is in the primary importance of first direction A.
More specifically, with reference to shown in Figure 12, convergence piece 341 also comprises: cannula portion 341c and connecting portion 341d.Connecting portion 341d is between cannula portion 341c and trigger unit 341b, make them form to connect, cannula portion 341c is between connecting portion 341d and pressure-bearing portion 341a, connecting portion 341d forms " C " character form structure, this is easier, and in performance, it flexiblely ensures its life-span simultaneously, trigger unit 341b is also divided into two parts of separating simultaneously, and design can make its better circuits for triggering switch 36 like this.Cannula portion 341c is a sleeve structure, a stopper slot 341e is formed in its sleeve pipe, it coordinates the rotation amplitude that can limit convergence piece 341 with a convex tendon of jack-post (Figure 12 is not shown), certainly when the elasticity of connecting portion 341d is enough, convergence piece 341 also can be made not rotate completely.
With reference to shown in Fig. 9 and Figure 13, operating parts 35 at least can rotate for axle with the axis B perpendicular to first direction A relative to switch enclosure 33.During operation, user holds cross handle 21 and operating parts 35 makes operating parts 35 rotate.Contactor 36 comprises a shift knob 361; Only when convergence piece 341 is in the primary importance of first direction A, operating parts 35 is by contacting convergence piece 341 thus indirect gauge tap button 361.
When inserting safety key 32, convergence piece 341 just can make its trigger unit 341b on first direction A, be in the position that can be contacted with contactor 36 by operating parts 35, now operation is carried out to operating parts 35 and could make mower work by starter, otherwise (namely when not inserting safety key 32) convergence piece 341 is not in the primary importance of energy circuits for triggering switch 36, also cannot starter even if now operate operating parts 35, realize safety guarantee.
Preferably, locked component 34 also comprises: can make the second biased element 39 that convergence piece 341 resets along first direction A away from its primary importance.When oppression department 321 no longer oppresses convergence piece 341, convergence piece 341 can reset under the effect of the second biased element 39.
Preferably, when inserting safety key 32, because the rotation of swingle 38 can produce torque by counter plate 37, be that panel 37 rotates, in order to overcome the rotation of panel 37, safety key 32 also comprises: a locating dowel 325, switch enclosure 33 is also provided with a locating slot 336 inserted for locating dowel 325, this locating dowel 325 is fixedly connected with panel 37, when it to be inserted in switch enclosure 33 in locating slot 336, panel 37 can be made not rotate.
Following several scheme (all not shown in figures, can with reference to the embodiment illustrated) can be adopted for safety key of the present invention:
Safety key only comprise as described in previous embodiments swingle, like this insert time, need user to coordinate the rotation of swingle.
Safety key comprises: panel and swingle, but swingle be fixedly connected with panel.Panel and swingle synchronous axial system during such insertion, during to compressing convergence piece to primary importance, panel just turns to assigned address.
In addition, guide rail can be configured such that swingle first moves a certain distance along first direction, then the orbital segment needing user initiatively to turn over after certain angle in alignment guide track another section of guiding guide post to continue along first direction movement, thus realize the effect to convergence piece again.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (10)
1. be applicable to a safety device for mower, comprise: switch module and safety key, is characterized in that, described switch module comprises:
Switch enclosure,
Be arranged on the locked component in described switch enclosure,
An operating parts that can be user-operably,
One at least has disconnection and the contactor being communicated with two states;
Described safety key comprises:
A panel,
One can the swingle of relatively described panel rotation;
Described switch enclosure is provided with the slot that the swingle for described safety key inserts along first direction, and when described swingle inserts described slot, the shaft parallel of its relatively described panel rotation is in described first direction; Described slot is provided with the guide part that can make described swingle relatively described panel rotation predetermined angle when inserting along described first direction;
Described swingle is provided with an oppression department;
Described locked component comprises: energy moves it along described first direction can be parallel to the convergence piece of the axis of rotation of described first direction;
Described convergence piece comprises:
An energy is contacted by described oppression department thus makes described convergence piece move to the pressure-bearing portion of the primary importance on described first direction,
A trigger unit making described operating parts can control described contactor when convergence piece is in the primary importance of first direction;
Described operating parts at least can rotate for axle with the axis perpendicular to described first direction relative to described switch enclosure, and described contactor comprises a shift knob;
Only when described convergence piece is in the primary importance of described first direction, described operating parts is by contacting described convergence piece thus indirectly controlling described shift knob.
2. the safety device being applicable to mower according to claim 1, is characterized in that, described safety key also comprises: a locating dowel, and described switch enclosure is also provided with the locating slot that a described locating dowel of confession is inserted.
3. the safety device being applicable to mower according to claim 1, is characterized in that, is provided with the first biased element described swingle being rotated reset between described swingle and described panel.
4. the safety device being applicable to mower according to claim 1, is characterized in that, described locked component also comprises: can make the second biased element that described convergence piece resets along described first direction away from primary importance described in it.
5. the safety device being applicable to mower according to claim 1, is characterized in that, described guide part comprises a guide rail, and the oppression department of described swingle comprises a briquetting embedded at least partly in described guide rail.
6. be applicable to a safety device for mower, comprise: switch module, it is characterized in that, described switch module comprises:
Switch enclosure,
Be arranged on the locked component in described switch enclosure,
An operating parts that can be user-operably,
One at least has disconnection and the contactor being communicated with two states;
Described switch enclosure is provided with a slot;
Described locked component comprises an energy and is controlled by described operating parts when being in trigger position and then trigger the convergence piece of described contactor;
Described safety device safety device also comprises: one can be inserted described slot and the safety key rotated relative to described switch enclosure at least partly;
Described safety key comprises: can oppress the oppression department of described convergence piece to described trigger position for one after relatively described switch enclosure turns over predetermined angle.
7. the safety device being applicable to mower according to claim 6, is characterized in that, described safety key comprises:
A panel,
One can the swingle of relatively described panel rotation;
Described oppression department is arranged at described swingle.
8. the safety device being applicable to mower according to claim 6, is characterized in that, described safety key comprises:
A swingle, described swingle is provided with described oppression department.
9. the safety device being applicable to mower according to claim 6, is characterized in that, described safety key comprises: a panel and a swingle fixed with it, described oppression department is arranged at described swingle.
10. a mower, comprising: main frame, operating handle; Described main frame comprises: motor and power supply, it is characterized in that, described mower also comprises: the safety device as described in claim 1 to claim 9 any one, described switch enclosure is arranged at described operating handle at least partly, and whether described contactor controls described power supply is described motor power supplying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414446.9A CN105432238B (en) | 2014-08-21 | 2014-08-21 | mower and safety device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414446.9A CN105432238B (en) | 2014-08-21 | 2014-08-21 | mower and safety device thereof |
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| Publication Number | Publication Date |
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| CN105432238A true CN105432238A (en) | 2016-03-30 |
| CN105432238B CN105432238B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410414446.9A Active CN105432238B (en) | 2014-08-21 | 2014-08-21 | mower and safety device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017215604A1 (en) * | 2016-06-14 | 2017-12-21 | 常州格力博有限公司 | Control panel, self-propelled switch apparatus, and power device |
| CN109997517A (en) * | 2019-01-16 | 2019-07-12 | 浙江亚特电器有限公司 | A kind of starter and grass trimmer for gardens electric tool |
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| CN204191180U (en) * | 2014-08-21 | 2015-03-11 | 南京德朔实业有限公司 | mower and safety device thereof |
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| CN109997517A (en) * | 2019-01-16 | 2019-07-12 | 浙江亚特电器有限公司 | A kind of starter and grass trimmer for gardens electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105432238B (en) | 2017-06-30 |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |
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