CN104141712A - Brake mechanism - Google Patents
Brake mechanism Download PDFInfo
- Publication number
- CN104141712A CN104141712A CN201410328428.9A CN201410328428A CN104141712A CN 104141712 A CN104141712 A CN 104141712A CN 201410328428 A CN201410328428 A CN 201410328428A CN 104141712 A CN104141712 A CN 104141712A
- Authority
- CN
- China
- Prior art keywords
- belt wheel
- brake block
- large belt
- axis
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/76—Driving mechanisms for the cutters
- A01D34/78—Driving mechanisms for the cutters electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D59/00—Self-acting brakes, e.g. coming into operation at a predetermined speed
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a brake mechanism, belongs to the field of garden tools, and solves the problem that the brake time of the brake mechanism is instable. The brake mechanism comprises a belt wheel shaft, a big belt wheel and a support with a motor, wherein the big belt wheel is rotationally connected onto the support by the belt wheel and is axially fixed, and the big belt wheel is linked with the output end of the motor; a brake block and a spring are arranged on the big belt wheel, and a friction piece is arranged on the support; the brake block is movably connected with the big belt wheel and can move between positions away from or in contact with the friction piece, and a distance between a contact part of the brake block with the friction piece and the axis of the big belt wheel is greater than a distance between a contact part of the friction piece with the brake block and the axis of the big belt wheel; the spring generates elastic force allowing the brake block to close to the friction piece. The brake mechanism is controlled by the centrifugal force, and the motor rotating speed and the stopping deceleration time are stable, so the braking force generated by the brake block after the motor is stopped and the time required by brake tools are stable, and the braking process is smooth.
Description
Technical field
The present invention relates to garden instrument field, particularly a kind of braking mechanism.
Background technique
Due to the requirement of safety braking time, in prior art, by stable not for the mechanical brake structure of braking in motor-driven mowing machine, rotary cultivator or relevant garden instrument, the drawback that braking time wave properties is larger, can not meet its requirement.
Summary of the invention
The object that the present invention will reach is to provide a kind of braking mechanism, can gradual braking.
In order to achieve the above object, the present invention adopts following technological scheme: a kind of braking mechanism, and comprise belt shaft, large belt wheel and the support of motor is housed, large belt wheel is rotatably connected on support and axial restraint by belt shaft, and large belt wheel links with motor output end; Large belt wheel is provided with brake block and spring, support is provided with friction member, brake block is flexibly connected with large belt wheel also can and friction member from or mutually tactile position between move, the part that brake block can touch mutually with friction member and the spacing of large belt wheel axis are greater than the distance of part that friction member can touch mutually with brake block and large belt wheel axis, and spring produces and makes the elastic force of brake block near friction member.
The part that brake block can touch mutually with friction member and the spacing of large belt wheel axis are greater than the distance of part that friction member can touch mutually with brake block and large belt wheel axis, due to large belt wheel and motor output end interlock, in the time that motor output end turns to operating rate, brake block rotates around the axis of large belt wheel with large belt wheel, be subject to the effect brake block of centrifugal force to the direction activity away from large belt wheel axis, thereby with friction member from, do not produce frictional force; When motor stopping stall, large belt wheel slows down, and the centrifugal force that brake block obtains is not enough to offset the elastic force that spring produces, and spring makes brake block to the direction activity near large belt wheel axis, until brake block touches mutually and produces braking force with friction member.
Further, also comprise small pulley, belt, small pulley is located at motor output end and is rotated with motor output end coaxial synchronous, and the axis of described large belt wheel is parallel with the axis of small pulley, and belt is placed on large belt wheel, small pulley and makes large belt wheel and small pulley interlock outward.Connect large belt wheel human relations and small pulley by belt, utilize frictional force transmission, prevent that positive drive from causing parts damages in the time of braking.
Further, described friction member is cylindrical body friction sleeve, and friction sleeve is fixedly connected with or is structure as a whole with described frame, and friction sleeve is provided with axis hole, and belt shaft is coaxial with friction sleeve through friction sleeve.When cylindrical body friction sleeve coaxially arranges with belt shaft brake block go to can and any position all can coordinate with friction sleeve produce braking force.
Further, described brake block is located between the edge of described large belt wheel and the sidewall of described friction sleeve, brake block is rotationally connected with large belt wheel, and the axis that brake block rotates is parallel with the axis of large belt wheel, and described spring generation turns to brake block to touch the elastic force of friction sleeve sidewall.The brake block activity being rotationally connected is more flexible.
Adopt after technique scheme, tool of the present invention has the following advantages:
Utilize centrifugal force controlled braking mechanism, stablize because motor speed is stable, shut down deceleration time, brake block produces braking force after motor stopping and the required time of brake tool stablizes, and braking process is steady.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the schematic diagram of frame;
Fig. 3 is the schematic diagram of large belt wheel.
Embodiment
Fig. 1-3 are depicted as a kind of embodiment of the present invention.
A kind of braking mechanism, comprise belt shaft 1, large belt wheel 2 and the support 3 of motor 9 is housed, large belt wheel 2 is rotatably connected on support 3 and axial restraint by belt shaft 1, also comprise small pulley 7, belt 8, small pulley 7 is located at motor 9 output terminals and is rotated with motor 9 output terminal coaxial synchronous, the axis of large belt wheel 2 is parallel with the axis of small pulley 7, belt 8 is placed on large belt wheel 2, small pulley 7 is outer makes large belt wheel 2 link with small pulley 7, connect large belt wheel 2 human relations and small pulley 7 by belt 8, utilize frictional force transmission, prevent that positive drive from causing parts damages in the time of braking.Support 3 is provided with friction member 6, and friction member 6 is cylindrical body friction sleeve, and friction sleeve is fixedly connected with frame or is structure as a whole, and friction sleeve is provided with axis hole, and belt shaft 1 is coaxial with friction sleeve through friction sleeve.Large belt wheel 2 is provided with brake block 4 and spring 5, brake block 4 is flexibly connected with large belt wheel 2 also can and friction member 6 from or mutually tactile position between move, brake block 4 is located between the edge of large belt wheel 2 and the sidewall of friction sleeve, being the part that can touch mutually with friction member 6 of brake block 4 is greater than the distance of part that friction member 6 can touch mutually with brake block 4 and large belt wheel 2 axle 1 lines with the spacing of large belt wheel 2 axle 1 lines, when cylindrical body friction sleeve coaxially arranges with belt shaft 1 brake block 4 go to can and any position all can coordinate with friction sleeve produce braking force, brake block 4 is rotationally connected with large belt wheel 2, and the axis that brake block 4 rotates is parallel with the axis of large belt wheel 2, spring 5 produces and makes brake block 4 turn to the elastic force that touches friction sleeve sidewall.
The part that brake block 4 can touch mutually with friction member 6 and the spacing of large belt wheel 2 axle 1 lines are greater than the distance of part that friction member 6 can touch mutually with brake block 4 and large belt wheel 2 axle 1 lines, due to large belt wheel 2 and motor 9 output terminal interlocks, in the time that motor 9 output terminals turn to operating rate, brake block 4 rotates around the axis of large belt wheel 2 with large belt wheel 2, be subject to the effect brake block 4 of centrifugal force to the direction activity away from large belt wheel 2 axle 1 lines, thereby with friction member 6 from, do not produce frictional force; When motor 9 is shut down stall, large belt wheel 2 slows down, and the centrifugal force that brake block 4 obtains is not enough to offset the elastic force that spring 5 produces, and spring 5 makes brake block 4 to the direction activity near large belt wheel 2 axle 1 lines, until brake block 4 touches mutually and produces braking force with friction member 6.Utilize centrifugal force controlled braking mechanism, because motor 9 stabilizations of speed, shutdown are stablized deceleration time, brake block 4 produces braking force after motor 9 is shut down and the required time of brake tool stablizes, and braking process is steady.
Except above preferred embodiment, the present invention also has other mode of execution, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (4)
1. a braking mechanism, it is characterized in that: comprise belt shaft (1), large belt wheel (2) and the support (3) of motor (9) is housed, large belt wheel is rotatably connected on support and axial restraint by belt shaft, large belt wheel and motor output end interlock; Large belt wheel is provided with brake block (4) and spring (5), support is provided with friction member (6), brake block is flexibly connected with large belt wheel also can and friction member from or mutually tactile position between move, the part that brake block can touch mutually with friction member and the spacing of large belt wheel axis are greater than the distance of part that friction member can touch mutually with brake block and large belt wheel axis, and spring produces and makes the elastic force of brake block near friction member.
2. a kind of braking mechanism according to claim 1, it is characterized in that: also comprise small pulley (7), belt (8), small pulley is located at motor output end and is rotated with motor output end coaxial synchronous, the axis of described large belt wheel is parallel with the axis of small pulley, and belt is placed on large belt wheel, small pulley and makes large belt wheel and small pulley interlock outward.
3. a kind of braking mechanism according to claim 1 and 2, is characterized in that: described friction member is cylindrical body friction sleeve, and friction sleeve is fixedly connected with or is structure as a whole with described frame, and friction sleeve is provided with axis hole, and belt shaft is coaxial with friction sleeve through friction sleeve.
4. a kind of braking mechanism according to claim 3, it is characterized in that: described brake block is located between the edge of described large belt wheel and the sidewall of described friction sleeve, brake block is rotationally connected with large belt wheel, and the axis that brake block rotates is parallel with the axis of large belt wheel, described spring generation turns to brake block to touch the elastic force of friction sleeve sidewall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328428.9A CN104141712A (en) | 2014-07-10 | 2014-07-10 | Brake mechanism |
| PCT/CN2015/082463 WO2016004824A1 (en) | 2014-07-10 | 2015-06-26 | Brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328428.9A CN104141712A (en) | 2014-07-10 | 2014-07-10 | Brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104141712A true CN104141712A (en) | 2014-11-12 |
Family
ID=51850988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410328428.9A Pending CN104141712A (en) | 2014-07-10 | 2014-07-10 | Brake mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104141712A (en) |
| WO (1) | WO2016004824A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016004824A1 (en) * | 2014-07-10 | 2016-01-14 | 嘉兴亚特园林机械研究所 | Brake mechanism |
| CN105864322A (en) * | 2016-06-06 | 2016-08-17 | 苏州金莱克精密机械有限公司 | Centrifugal brake mechanism of motor |
| CN106416628A (en) * | 2016-03-04 | 2017-02-22 | 浙江亚特电器有限公司 | Mowing machine |
| CN109642623A (en) * | 2016-06-20 | 2019-04-16 | 康斯博格汽车股份公司 | The mechanical brake that speed for clutch actuator relies on |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035994A (en) * | 1975-05-27 | 1977-07-19 | Hoffco, Inc. | Lawn mower blade control apparatus |
| CN101467507A (en) * | 2007-12-27 | 2009-07-01 | 苏州宝时得电动工具有限公司 | Brake device of garden tools |
| CN102119607A (en) * | 2011-01-04 | 2011-07-13 | 浙江亚特电器有限公司 | Brake device for grass cutter |
| CN102388724A (en) * | 2011-08-30 | 2012-03-28 | 浙江亚特电器有限公司 | Mower braking structure |
| CN204239549U (en) * | 2014-07-10 | 2015-04-01 | 浙江亚特电器有限公司 | A kind of braking mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3499021B2 (en) * | 1994-10-22 | 2004-02-23 | セイレイ工業株式会社 | Winch Drum Brake Device for Cable Type Transfer Machine |
| DE102004043592B3 (en) * | 2004-09-09 | 2006-03-09 | Demag Cranes & Components Gmbh | Safety brake mechanism for rope hoist, has brake surface provided for brake ring at outer periphery of coupling that concentrically connects output shaft of lifting gear drive and sleeve barrel |
| CN2904621Y (en) * | 2006-01-09 | 2007-05-30 | 苏州金莱克家用电器有限公司 | Lawn mower brake |
| CN101699950B (en) * | 2009-11-04 | 2011-07-27 | 苏州金莱克精密机械有限公司 | Braking device for gardening tools |
| CN202587876U (en) * | 2011-12-16 | 2012-12-12 | 常州格力博工具有限公司 | Mower brake device |
| CN104141712A (en) * | 2014-07-10 | 2014-11-12 | 浙江亚特电器有限公司 | Brake mechanism |
-
2014
- 2014-07-10 CN CN201410328428.9A patent/CN104141712A/en active Pending
-
2015
- 2015-06-26 WO PCT/CN2015/082463 patent/WO2016004824A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035994A (en) * | 1975-05-27 | 1977-07-19 | Hoffco, Inc. | Lawn mower blade control apparatus |
| CN101467507A (en) * | 2007-12-27 | 2009-07-01 | 苏州宝时得电动工具有限公司 | Brake device of garden tools |
| CN102119607A (en) * | 2011-01-04 | 2011-07-13 | 浙江亚特电器有限公司 | Brake device for grass cutter |
| CN102388724A (en) * | 2011-08-30 | 2012-03-28 | 浙江亚特电器有限公司 | Mower braking structure |
| CN204239549U (en) * | 2014-07-10 | 2015-04-01 | 浙江亚特电器有限公司 | A kind of braking mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016004824A1 (en) * | 2014-07-10 | 2016-01-14 | 嘉兴亚特园林机械研究所 | Brake mechanism |
| CN106416628A (en) * | 2016-03-04 | 2017-02-22 | 浙江亚特电器有限公司 | Mowing machine |
| CN105864322A (en) * | 2016-06-06 | 2016-08-17 | 苏州金莱克精密机械有限公司 | Centrifugal brake mechanism of motor |
| CN109642623A (en) * | 2016-06-20 | 2019-04-16 | 康斯博格汽车股份公司 | The mechanical brake that speed for clutch actuator relies on |
| CN109642623B (en) * | 2016-06-20 | 2020-08-25 | 康斯博格汽车股份公司 | Speed dependent mechanical brake for clutch actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016004824A1 (en) | 2016-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141112 |