CN107535211A - A kind of linkage brake mechanism and chain saw - Google Patents
A kind of linkage brake mechanism and chain saw Download PDFInfo
- Publication number
- CN107535211A CN107535211A CN201710729459.9A CN201710729459A CN107535211A CN 107535211 A CN107535211 A CN 107535211A CN 201710729459 A CN201710729459 A CN 201710729459A CN 107535211 A CN107535211 A CN 107535211A
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- Prior art keywords
- brake
- brake mechanism
- linkage
- link assembly
- linkage brake
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Abstract
The invention provides a kind of linkage brake mechanism and chain saw, including：Link assembly, and the both ends of link assembly are connected with powered down components and brake assemblies respectively, promote link assembly, the synchronous stoppage in transit and power-off for realizing the garden instrument using the linkage brake mechanism.The invention provides a kind of linkage brake mechanism and chain saw, by link assembly, the synchronous brake and power-off for realizing the garden instrument using the linkage brake mechanism, solves garden instrument in braking state, the problem of also in "on" position, improve the security performance of garden instrument.
Description
Technical field
The invention belongs to field of mechanical technique, is related to a kind of link gear, particularly a kind of linkage brake mechanism and chain saw.
Background technology
Braking mechanism and electrical conduction mechanism split settings in existing chain saw so that the structure of chain saw in itself becomes complicated, when
When chain saw is in braking state, its chain saw is relatively low also in "on" position, its security performance in itself.In addition, existing chain saw its
Mounting means is complex, and the inside and outside of chain saw housing is provided with component structural so that chain saw in the course of the work, meeting
So that the weeds or branch under cutting are attached on the parts of brake structure, influence the brake life-span of chain saw and shut down to pacify
Entirely.
In summary, it is necessary to design a kind of synchronous realization brake and power down function, and its brake structure can be extended and use the longevity
The chain saw of life.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that a kind of synchronous realize is braked and power-off
Function, and the chain saw of its brake structure service life can be extended.
The purpose of the present invention can be realized by following technical proposal：A kind of linkage brake mechanism, including：Link assembly,
And the both ends of link assembly are connected with powered down components and brake assemblies respectively, link assembly is promoted, synchronous realize uses the brake
The stoppage in transit and power-off of the garden instrument of link gear.
In a kind of above-mentioned linkage brake mechanism, coordinate between link assembly and powered down components for press-type, connection rod set
It is formula cooperation of filling the span of a man's arms between part and brake assemblies.
In a kind of above-mentioned linkage brake mechanism, powered down components include a switch, are provided with a contact, and
The contact is used cooperatively with link assembly press-type.
In a kind of above-mentioned linkage brake mechanism, brake assemblies include a brake portion, with motor in garden instrument
Output shaft nested encryptions.
In a kind of above-mentioned linkage brake mechanism, brake portion includes brake steel band and brake disc, wherein, brake steel band,
Brake disc and motor output shaft ecto-entad nested encryptions successively.
In a kind of above-mentioned linkage brake mechanism, link assembly includes the elastic portion being used cooperatively with brake steel band.
In a kind of above-mentioned linkage brake mechanism, elastic portion includes spring base and the spring with spring base nested encryptions,
Wherein, spring is engaged with brake steel band.
In a kind of above-mentioned linkage brake mechanism, link assembly is included before being removably connected on garden instrument casing
Baffle plate, and front apron and a drive block nested encryptions, wherein, one end of drive block is realized by first connecting rod and switch contact
Press cooperation.
In a kind of above-mentioned linkage brake mechanism, the edge of the drive block of the one end that is connected with first connecting rod is provided with one piece
Brake shell fragment, wherein, the domed setting of shell fragment of braking.
In a kind of above-mentioned linkage brake mechanism, link assembly also includes the second company being connected with the drive block other end
Bar, and second connecting rod is connected by third connecting rod with spring base.
In a kind of above-mentioned linkage brake mechanism, linkage brake mechanism is also included to lock drive block and brake respectively
The bar shaped cover plate and circular cover plate of shell fragment.
In a kind of above-mentioned chain saw, including casing, built-in linkage brake mechanism, stalling and the chain of chain saw chain are realized
The power-off of saw itself.
In a kind of above-mentioned chain saw, it is provided with to be embedded in the annular recessed of brake portion in linkage brake mechanism in casing
Chamber, and to be embedded in the bar shaped cavity of elastic portion in linkage brake mechanism.
In a kind of above-mentioned chain saw, linkage brake mechanism also includes to be engaged with bar shaped cavity, sealed elastic portion
Cover plate.
Compared with prior art, beneficial effect of the present invention：
(1) a kind of, the linkage brake mechanism provided, it is synchronous to realize using the linkage brake mechanism by link assembly
The brake and power-off of garden instrument, solve garden instrument in braking state, the problem of also in "on" position, improve gardens
The security performance of instrument；
(2) a kind of, the linkage brake mechanism provided, the spare and accessory parts involved by it when mounted, are pacified using level-superposed formula
Dress, without stirring the assembly of back completion, so as to improve the operating efficiency during assembling of linkage brake mechanism；
(3), a kind of chain saw, including casing, built-in linkage brake component are provided, realize stalling and the chain saw of chain saw chain
The power-off of itself, in addition, design of part involved in linkage brake component may be contained within casing, i.e., hull outside is not provided with
Spare and accessory parts so that during chain saw cut, weeds, branch or dust cannot be introduced into the casing of chain saw, and that improves chain saw uses the longevity
Life.
Brief description of the drawings
Fig. 1 is a kind of partial structural diagram of linkage brake mechanism of the present invention.
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1.
Fig. 3 is the partial structural diagram of link assembly in a preferred embodiment of the present invention, powered down components.
Fig. 4 is the mplifying structure schematic diagram of part B in Fig. 3.
Fig. 5 is a kind of structural representation of chain saw of the present invention.
In figure, 100, link assembly；110th, elastic portion；111st, spring base；112nd, cover plate；120th, front apron；130th, it is driven
Block；140th, bar shaped cover plate；150th, first connecting rod；160th, brake shell fragment；170th, circular cover plate；180th, second connecting rod；190th, the 3rd
Connecting rod；200th, powered down components；210th, switch；300th, brake assemblies；310th, brake portion；311st, brake steel band；312nd, brake disc；
320th, motor；400th, casing；410th, annular cavity；420th, bar shaped cavity.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figures 1 to 4, a kind of linkage brake mechanism provided by the invention, including：Link assembly 100, and connection rod set
The both ends of part 100 are connected with powered down components 200 and brake assemblies 300 respectively, promote link assembly 100, synchronous realization uses should
The stoppage in transit and power-off of the garden instrument of linkage brake mechanism.
A kind of linkage brake mechanism provided by the invention, by link assembly 100, synchronous realize uses the linkage brake machine
The brake and power-off of the garden instrument of structure, solve garden instrument in braking state, the problem of also in "on" position, improve
The security performance of garden instrument.
Preferably, as shown in Figures 1 to 4, coordinate between link assembly 100 and powered down components 200 for press-type, connection rod set
It is formula cooperation of filling the span of a man's arms between part 100 and brake assemblies 300.It is further preferred that powered down components 200 include a switch 210, its
On be provided with a contact, and the contact coordinates with the press-type of link assembly 100, i.e., when link assembly 100 is touched and is pressed tactile
During point, closing switch 210, the power-off of garden instrument is realized.Brake assemblies 300 include a brake portion 310, with motor 320
Output shaft nested encryptions, when link assembly 100 acts on brake portion 310, brake portion 310 fills the span of a man's arms, and clamping motor 320 is defeated
Shaft, so as to gradually reduce the rotating speed of the output shaft of motor 320, until its stopping, and then complete the brake of garden instrument.This implementation
In example, coordinated for powered down components 200 using press-type, be due to that the strength opened and closed needed for it of switch 210 is smaller,
Only need to gently touch to press can complete to operate, and excessive strength can be damaged outside switch 210 shells, or even fracturing switch 210
Shell.And for brake assemblies 300 using fill the span of a man's arms formula cooperation, be due to motor 320 output shaft rotate when its rotating speed it is larger,
Reaching moment stops transport (jerk), it is necessary to which larger strength, can just play the effect of brake, improve the reliable of linkage brake mechanism
Property.According to different functional requirements, different structures is designed, improves the flexibility of linkage brake mechanism.
It is further preferred that as shown in Figures 1 to 4, brake portion 310 includes brake steel band 311 and brake disc 312, wherein,
Brake steel band 311, brake disc 312 and the output shaft ecto-entad of motor 320 nested encryptions successively, when link assembly 100 acts on
When on the steel band 311 that brakes, the annular diameters urgency bunching for the steel band 311 that brakes is small, brake disc 312 of then filling the span of a man's arms, and then passes through
Brake disc 312 is acted on the output shaft of motor 320, completes brake.It is further preferred that garden instrument casing 400
Annular cavity 410 is provided with medial surface, as the installation site of brake steel band 311 and brake disc 312, improves the reliable of brake
Property.
Preferably, as shown in Figures 1 to 4, link assembly 100 includes the elastic portion being used cooperatively with brake steel band 311
110, by elastically-deformable change, the deflation and expansion of brake steel band 311 are realized, that is, completes brake steel band 311 and brake disc
Filling the span of a man's arms with separating between 312, and then complete the stoppage in transit or normal operation of the output shaft of motor 320.In addition, pass through elastic deformation
The wear extent of brake steel band 311 or brake disc 312 can be made up, improves the reliability of linkage brake mechanism.It is further preferred that
Elastic portion 110 includes spring base 111 and the spring with the nested encryptions of spring base 111, wherein, spring base 111 is embedded in spring
In in the bar shaped cavity 420 of the inner side of garden instrument casing 400, and by cover plate 112 by spring base 111 with it is spring sealed in bar shaped
In cavity 420, the circumferential free degree of spring is limited, and prevents spring from, when elastic deformation occurs, jumping out bar shaped cavity 420, carrying
The reliability of high linkage brake mechanism.
Preferably, as shown in Figures 1 to 5, link assembly 100 includes being removably connected on garden instrument casing 400
Front apron 120, and front apron 120 and the nested encryptions of drive block 130, and drive block 130 is locked by bar shaped cover plate 140
Position, wherein, one end of drive block 130 presses cooperation by 210 contacts of the realization of first connecting rod 150 and switch, works as front apron
During 120 rotation push forward, drive block 130 is driven to swing, so that the contact on the touch-pressure switch 210 of first connecting rod 150, complete
Into the power-off of garden instrument.It is further preferred that the edge of the drive block 130 of the one end that is connected with first connecting rod 150 is provided with one
Block brake shell fragment 160, and shell fragment 160 is braked on the medial surface of garden instrument casing 400, wherein, brake shell fragment 160 is in
Arch is set, and the both ends for the shell fragment 160 that brakes are locked by circular cover plate 170, when front apron 120 rotates forward push, band
Dynamic drive block 130 is swung, i.e. arch portion of the drive block 130 across brake shell fragment 160 so that even if decontroling front apron 120, transmission
Block 130 also will not be reversely again across the arch portion of brake shell fragment 160, and good positioning effect is played in the action to drive block 130
Fruit, further improve the reliability when power-off of linkage brake mechanism and brake.
Preferably, as shown in Figures 1 to 4, link assembly 100 also includes the second company being connected with the other end of drive block 130
Bar 180, and second connecting rod 180 is connected by third connecting rod 190 with spring base 111, when front apron 120 rotates forward push,
Moving block is driven to swing, then by second connecting rod 180, the effect of third connecting rod 190 and spring base 111 so that be nested in bullet
Spring-compressed on spring abutment 111, so as to tighten up brake steel band 311, and then the steel band 311 that brakes is filled the span of a man's arms brake disc 312, completes gardens
The brake of instrument.
A kind of linkage brake mechanism provided by the invention, the spare and accessory parts involved by it when mounted, using level-superposed formula
Installation, without stirring the assembly of back completion, so as to improve the operating efficiency during assembling of linkage brake mechanism.
A kind of operation principle of linkage brake mechanism provided by the invention：When promoting front apron 120, drive block is driven
130 swing so that on the one hand drive block 130 acts on touching on switch 210 across brake shell fragment 160 by first connecting rod 150
Point so that garden instrument power off, while on the other hand by second connecting rod 180, third connecting rod 190 effect with spring base 111 on,
So that be nested in the spring-compressed on spring base 111, so as to tighten up brake steel band 311, and then the steel band 311 that brakes is filled the span of a man's arms brake disc
312, the brake of garden instrument is completed, is carried out so as to realize that the power-off of garden instrument is synchronous with brake.
The present invention also provides a kind of chain saw, including casing 400, built-in linkage brake mechanism, realizes the stalling of chain saw chain
And the power-off of chain saw in itself, in addition, design of part involved in linkage brake mechanism may be contained within casing 400, i.e. shell
Spare and accessory parts are not provided with outside body so that during chain saw cut, weeds, branch or dust cannot be introduced into the casing 400 of chain saw, carry
The service life of high chain saw.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
- A kind of 1. linkage brake mechanism, it is characterised in that including：Link assembly, and the both ends of link assembly respectively with power-off group Part is connected with brake assemblies, promotes link assembly, and synchronous realization uses the stoppage in transit of the garden instrument of the linkage brake mechanism and broken Electricity.
- 2. a kind of linkage brake mechanism according to claim 1, it is characterised in that be between link assembly and powered down components Press-type coordinates, and is formula cooperation of filling the span of a man's arms between link assembly and brake assemblies.
- 3. a kind of linkage brake mechanism according to claim 1 or 2, it is characterised in that brake assemblies include a brake The output shaft nested encryptions of motor in portion, with garden instrument.
- 4. a kind of linkage brake mechanism according to claim 3, it is characterised in that link assembly includes coordinating with brake portion The elastic portion used.
- 5. a kind of linkage brake mechanism according to claim 4, it is characterised in that elastic portion includes spring base and and spring The spring of seat nested encryptions, wherein, spring is engaged with brake portion.
- 6. a kind of linkage brake mechanism according to claim 4, it is characterised in that link assembly includes being removably connected to Front apron on garden instrument, and front apron and a drive block nested encryptions, wherein, one end of drive block passes through first connecting rod Realization presses cooperation with powered down components.
- A kind of 7. linkage brake mechanism according to claim 6, it is characterised in that the transmission of the one end that is connected with first connecting rod The edge of block is provided with one piece of brake shell fragment, wherein, the domed setting of shell fragment of braking.
- 8. a kind of linkage brake mechanism according to claim 4, it is characterised in that link assembly also includes another with drive block The connected second connecting rod in one end, and second connecting rod is connected by third connecting rod with elastic portion.
- 9. a kind of linkage brake mechanism according to claim 3, it is characterised in that brake portion includes brake steel band and brake Disk, wherein, brake steel band, brake disc and motor output shaft ecto-entad nested encryptions successively.
- 10. a kind of chain saw, it is characterised in that including casing, any described linkage brake mechanisms of built-in claim 1-9 are real The power-off of the stalling and chain saw of existing chain saw chain in itself.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710729459.9A CN107535211A (en) | 2017-08-23 | 2017-08-23 | A kind of linkage brake mechanism and chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710729459.9A CN107535211A (en) | 2017-08-23 | 2017-08-23 | A kind of linkage brake mechanism and chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107535211A true CN107535211A (en) | 2018-01-05 |
Family
ID=60958814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710729459.9A Pending CN107535211A (en) | 2017-08-23 | 2017-08-23 | A kind of linkage brake mechanism and chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107535211A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201128033Y (en) * | 2007-12-21 | 2008-10-08 | 浙江赛发迪电动工具有限公司 | Electric chain saw protective plate switch brake linkage |
| CN201427209Y (en) * | 2009-06-08 | 2010-03-24 | 金莱克电气股份有限公司 | Electric chain saw brake device |
| CN203471057U (en) * | 2013-08-09 | 2014-03-12 | 宁波好使特电器有限公司 | Chain saw |
| WO2014142862A1 (en) * | 2013-03-14 | 2014-09-18 | Husqvarna Ab | Coast brake/chainbrake mechanism |
| CN105871116A (en) * | 2016-06-06 | 2016-08-17 | 苏州金莱克精密机械有限公司 | Linkage brake mechanism for motor |
| CN207099790U (en) * | 2017-08-23 | 2018-03-16 | 宁波动一电器有限公司 | A kind of linkage brake mechanism and chain saw |
-
2017
- 2017-08-23 CN CN201710729459.9A patent/CN107535211A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201128033Y (en) * | 2007-12-21 | 2008-10-08 | 浙江赛发迪电动工具有限公司 | Electric chain saw protective plate switch brake linkage |
| CN201427209Y (en) * | 2009-06-08 | 2010-03-24 | 金莱克电气股份有限公司 | Electric chain saw brake device |
| WO2014142862A1 (en) * | 2013-03-14 | 2014-09-18 | Husqvarna Ab | Coast brake/chainbrake mechanism |
| CN203471057U (en) * | 2013-08-09 | 2014-03-12 | 宁波好使特电器有限公司 | Chain saw |
| CN105871116A (en) * | 2016-06-06 | 2016-08-17 | 苏州金莱克精密机械有限公司 | Linkage brake mechanism for motor |
| CN207099790U (en) * | 2017-08-23 | 2018-03-16 | 宁波动一电器有限公司 | A kind of linkage brake mechanism and chain saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 398, Longtan Road, Yuelin street, Fenghua District, Ningbo, Zhejiang Applicant after: Zhejiang move a new energy power Polytron Technologies Inc Address before: No. 398, Longtan Road, Yuelin street, Fenghua, Ningbo, Zhejiang Applicant before: An Electrical Appliances Co., Ltd is moved in Ningbo |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 315000 No. 255, Kesheng Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province Applicant after: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. Address before: 315505 No.398 Longtan Road, Yuelin street, Fenghua District, Ningbo City, Zhejiang Province Applicant before: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. |