CN110375009A - A kind of centrifugal bidirectional automatic clutch of equidistant cam - Google Patents
A kind of centrifugal bidirectional automatic clutch of equidistant cam Download PDFInfo
- Publication number
- CN110375009A CN110375009A CN201910710232.9A CN201910710232A CN110375009A CN 110375009 A CN110375009 A CN 110375009A CN 201910710232 A CN201910710232 A CN 201910710232A CN 110375009 A CN110375009 A CN 110375009A
- Authority
- CN
- China
- Prior art keywords
- brake shoe
- main body
- equidistant
- member base
- cam
- 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
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 8
- 210000000003 hoof Anatomy 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000013011 mating Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention discloses a kind of equidistant centrifugal bidirectional automatic clutch of cam, belong to Clutch Technology field.A kind of centrifugal bidirectional automatic clutch of equidistant cam, including brake shoe component, member base and output drum, brake shoe component includes brake shoe main body, adjust return spring and friction plate, brake shoe main body is slidably connected with member base, brake shoe main body is connected to the top of member base, friction plate is connected to the outer wall of brake shoe main body, and friction plate offsets with output drum disk activity, adjustment return spring both ends are fixedly linked with brake shoe main body and member base respectively, output is also connected with motor output shaft at drum inner wall center, motor output shaft outer wall is connected with the equidistant cam matched with brake shoe component;The present invention rotates the mating reaction of the centrifugal force and constant diameter cam that generate, avoids skidding in clutch motion process, the big phenomenon of noise, realizes the stable bond and output of power.
Description
Technical field
The present invention relates to Clutch Technology field more particularly to a kind of centrifugal bidirectional automatic clutch of equidistant cam.
Background technique
Clutch is the common components in machine driving, can transmission system be separated or be engaged at any time, to its basic demand
Have: smooth engagement, separation is thorough rapidly, adjust and repairing is convenient, contour dimension is small, quality is small, wearability is good and has enough
Heat-sinking capability, easy to operate, common clutch is divided into castellated with frictional two class.
Slip clutch in the prior art, when revolving speed is too low, friction plate connect inability with clutch output drum,
Not exclusively, noise is big for contact, is easy to appear slipping phenomenon, so that friction plate constantly generates heat, uses the longevity so as to cause clutch
Life reduces, on the other hand, existing slip clutch structural instability, it cannot be guaranteed that power stablizes output.
Summary of the invention
The purpose of the present invention is to solve problems of the prior art, and a kind of equidistant cam proposed is centrifugal
Bidirectional automatic clutch.
To achieve the goals above, present invention employs following technical solutions:
A kind of centrifugal bidirectional automatic clutch of equidistant cam, including brake shoe component, member base and output drum, institute
The top that brake shoe component is connected to member base is stated, the output drum is connected to the outer wall of member base, the braking
Hoof block assembly includes brake shoe main body, adjustment return spring and friction plate, and the brake shoe main body and member base are sliding
Dynamic connection, the brake shoe main body are connected to the top of member base, and the friction plate is connected to the outer of brake shoe main body
Wall, and the friction plate offsets with output drum disk activity, the adjustment return spring both ends respectively with brake shoe main body and structure
Part pedestal is fixedly linked, and motor output shaft is also connected at output drum inner wall center, and the motor output shaft outer wall connects
It is connected to the equidistant cam matched with brake shoe component, the equidistant cam is rotatably connected on the top of member base.
Preferably, the brake shoe main body boss is connected with roller follower, the equidistant cam body and rolling
Sub- driven member activity offsets.
Preferably, the brake shoe component further includes fixing axle, and the fixing axle is connected to the outer wall of member base, institute
The one end of fixing axle far from member base is stated to be connected with brake shoe main body.
Preferably, the brake shoe body outer wall cutting has the sliding slot matched with fixing axle.
Preferably, the centre distance of each boss to the motor output shaft of the equidistant cam is equal.
Preferably, the brake shoe component is set as three groups, and brake shoe component described in three groups is evenly distributed on structure
The outer wall of part pedestal.
Preferably, circumferentially shape is connected to the outer wall of member base to three friction plates.
Compared with prior art, the present invention provides a kind of equidistant centrifugal bidirectional automatic clutch of cam, have following
The utility model has the advantages that
1, equidistant centrifugal bidirectional automatic clutch of cam, when motor output shaft drives member base rotation, due to rotation
Centrifugal force is generated, brake shoe main body is slidably connected with member base, under the rotation of member base, can throw away brake shoe master
Body, brake shoe main body along member base radially sliding, then by brake shoe main body friction plate push against clutch
Drum is exported, coupling, which is integrated, realizes that dynamical stability combines, when the revolving speed of member base rotation is thrown away lower than brake shoe main body
Strength when, friction plate and clutch output drum in brake shoe main body push against powerless and generate slipping phenomenon, to prevent
Friction plate skids, and spy is provided with constant diameter cam main body at the center of member base, for being lower than in member base rotation speed
Centrifugal force and when having skidded phenomenon, brake shoe main body supplement centrifugal force can be pushed against, so that friction plate be avoided to skid, friction plate
It is mounted on one end that brake shoe main body abuts clutch output drum, block is withstood quickly to return in adjustment return spring one end
Position, the other end is against above gasket and plays a supporting role, specifically, brake shoe component further includes two fixing axles, fixing axle
One end is fixedly connected with member base, and the other end protrudes into the sliding slot in brake shoe main body, plays limit to brake shoe main body
The effect of system, adjustment return spring are arranged among brake shoe main body, and one end resists block, and other end resists gasket, when
Brake shoe main body adjusts return spring forced compression when opposed member pedestal slides in and out under the rotation of member base, when
When member base stops operating, adjustment return spring resets under the action of elastic potential energy, drives brake shoe retracted for clearance, when
When motor output shaft stops operating, member base stops rotating, and centrifugal force disappears, and brake shoe main body is in adjustment return spring
Make to be used as lower recovery contraction state, complete being automatically separated for clutch, and brake shoe component is arranged to three groups, is tied simplifying
On the basis of structure, so that the overall structure stability of clutch is more preferable.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, present invention work
In do not need power supply and liquid, using isometrical eccentric cam torsion principle, can forward and reverse separation combine output kinetic energy, there is volume
Feature small, torque is big, stable and reliable in work avoids skidding in clutch motion process, the big phenomenon of noise, realizes dynamic
The stable bond and output of power.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of internal structure of the equidistant centrifugal bidirectional automatic clutch of cam proposed by the present invention;
Fig. 2 is a kind of overall structure diagram one of the equidistant centrifugal bidirectional automatic clutch of cam proposed by the present invention;
Fig. 3 is a kind of overall structure diagram two of the equidistant centrifugal bidirectional automatic clutch of cam proposed by the present invention.
In figure: 1, member base;2, drum is exported;3, brake shoe main body;301, sliding slot;4, return spring is adjusted;5,
Friction plate;6, equidistant cam body;7, fixing axle;8, roller follower;9, motor output shaft.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-3, a kind of centrifugal bidirectional automatic clutch of equidistant cam, including brake shoe component, member base 1
And output drum 2, brake shoe component are connected to the top of member base 1, output drum 2 is connected to the outer of member base 1
Wall, brake shoe component include brake shoe main body 3, adjustment return spring 4 and friction plate 5, brake shoe main body 3 and component
Pedestal 1 is slidably connected, and brake shoe main body 3 is connected to the top of member base 1, and friction plate 5 is connected to brake shoe main body 3
Outer wall, and friction plate 5 with output 2 activity of drum offset, adjustment 4 both ends of return spring respectively with brake shoe main body 3 and component
Pedestal 1 is fixedly linked, and exports and is also connected with motor output shaft 9 at 2 inner wall center of drum, 9 outer wall of motor output shaft be connected with
The equidistant cam body 6 that brake shoe component matches, equidistant cam body 6 are rotatably connected on the top of member base 1.
Referring to Fig.1-2,3 boss of brake shoe main body is connected with roller follower 8, equidistant cam body 6 and roller
8 activity of driven member offsets.
Referring to Fig.1-2, brake shoe component further includes fixing axle 7, and fixing axle 7 is connected to the outer wall of member base 1, fixed
The one end of axis 7 far from member base 1 is connected with brake shoe main body 3.
Referring to Fig.1-2,3 outer wall of brake shoe main body cutting has the sliding slot 301 matched with fixing axle 7.
Referring to Fig.1-2, the centre distance of each boss to the motor output shaft 9 of equidistant cam body 6 is equal.
Referring to Fig.1-2, brake shoe component is set as three groups, and three groups of brake shoe components are evenly distributed on member base
1 outer wall.
Referring to Fig.1-2, circumferentially shape is connected to the outer wall of member base 1 to three friction plates 5.
In the present invention, when motor output shaft 9 drives member base 1 to rotate, since rotation generates centrifugal force, brake shoe
Main body 3 is slidably connected with member base 1, under the rotation of member base 1, can throw away brake shoe main body 3, brake shoe main body
3 along member base 1 radially sliding, then by brake shoe main body 3 friction plate 5 push against clutch export drum 2, coupling
It is integrated and realizes that dynamical stability combines, when the revolving speed that member base 1 rotates is lower than the strength that brake shoe main body 3 is thrown away,
Friction plate 5 and clutch output drum 2 in brake shoe main body 3 push against inability and generate slipping phenomenon, to prevent friction plate 5
It skids, spy is provided with equidistant cam body 6 at the center of member base 1, for being lower than centrifugation in 1 rotation speed of member base
Power and when having skidded phenomenon, brake shoe main body 3 can be pushed against and supplement centrifugal force, so that friction plate 5 be avoided to skid, friction plate 5
It is mounted on one end that brake shoe main body 3 abuts clutch output drum 2, block is withstood with quick in adjustment 4 one end of return spring
Return, the other end are against above gasket and play a supporting role, specifically, brake shoe component further includes two fixing axles 7, it is fixed
7 one end of axis is fixedly connected with member base 1, and the other end protrudes into the sliding slot 301 in brake shoe main body 3, to brake shoe master
Body 3 plays the role of limitation, and adjustment return spring 4 is arranged among brake shoe main body 3, and one end resists block, other end
Gasket is resisted, when opposed member pedestal 1 slides in and out under rotation of the brake shoe main body 3 in member base 1, adjusts return bullet
4 forced compression of spring, when member base 1 stops operating, adjustment return spring 4 resets under the action of elastic potential energy, drives system
Dynamic 3 retracted for clearance of hoof block main body, when motor output shaft 9 stops operating, member base 1 stops rotating, and centrifugal force disappears, braking
Hoof block main body 3 is used as lower recovery contraction state in the work of adjustment return spring 4, completes being automatically separated for clutch, and will braking
Hoof block assembly is arranged to three groups, on the basis of simplifying structure, so that the overall structure stability of clutch is more preferable;Work of the present invention
Power supply and liquid are not needed in work, using isometrical eccentric cam torsion principle, forward and reverse can be separated and be combined output kinetic energy, there is body
Product is small, torque is big, stable and reliable in work feature, avoids skidding in clutch motion process, the big phenomenon of noise, realizes
The stable bond and output of power.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of centrifugal bidirectional automatic clutch of equidistant cam, including brake shoe component, member base (1) and output drum
Disk (2), which is characterized in that the brake shoe component is connected to the top of member base (1), output drum (2) connection
Outer wall in member base (1), the brake shoe component include brake shoe main body (3), adjustment return spring (4) and rub
Pad (5), the brake shoe main body (3) are slidably connected with member base (1), and the brake shoe main body (3) is connected to structure
The top of part pedestal (1), the friction plate (5) are connected to the outer wall of brake shoe main body (3), and the friction plate (5) with it is defeated
Drum (2) activity offsets out, and adjustment return spring (4) both ends are solid with brake shoe main body (3) and member base (1) respectively
It is fixed to be connected, it is also connected with motor output shaft (9) at output drum (2) the inner wall center, motor output shaft (9) outer wall connects
It is connected to the equidistant cam body (6) matched with brake shoe component, the equidistant cam body (6) is rotatably connected on component bottom
The top of seat (1).
2. a kind of equidistant centrifugal bidirectional automatic clutch of cam according to claim 1, which is characterized in that the braking
Hoof block main body (3) boss is connected with roller follower (8), the equidistant cam body (6) and roller follower (8) activity
It offsets.
3. a kind of equidistant centrifugal bidirectional automatic clutch of cam according to claim 1, which is characterized in that the braking
Hoof block assembly further includes fixing axle (7), and the fixing axle (7) is connected to the outer wall of member base (1), and the fixing axle (7) is remote
One end from member base (1) is connected with brake shoe main body (3).
4. a kind of equidistant centrifugal bidirectional automatic clutch of cam according to claim 3, which is characterized in that the braking
The cutting of hoof block main body (3) outer wall has the sliding slot (301) matched with fixing axle (7).
5. a kind of equidistant centrifugal bidirectional automatic clutch of cam according to claim 4, which is characterized in that described equidistant
The centre distance of each boss of cam body (6) to motor output shaft (9) is equal.
6. a kind of equidistant centrifugal bidirectional automatic clutch of cam according to claim 5, which is characterized in that the braking
Hoof block assembly is set as three groups, and brake shoe component described in three groups is evenly distributed on the outer wall of member base (1).
7. a kind of equidistant centrifugal bidirectional automatic clutch of cam according to claim 6, which is characterized in that described in three
Circumferentially shape is connected to the outer wall of member base (1) to friction plate (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910710232.9A CN110375009A (en) | 2019-08-02 | 2019-08-02 | A kind of centrifugal bidirectional automatic clutch of equidistant cam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910710232.9A CN110375009A (en) | 2019-08-02 | 2019-08-02 | A kind of centrifugal bidirectional automatic clutch of equidistant cam |
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CN201910710232.9A Pending CN110375009A (en) | 2019-08-02 | 2019-08-02 | A kind of centrifugal bidirectional automatic clutch of equidistant cam |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB752291A (en) * | 1953-08-08 | 1956-07-11 | Auguste Ritz | Improvements in and relating to a shock absorber for vehicles |
US5730269A (en) * | 1995-09-29 | 1998-03-24 | Hersey Clutch Company | Centrifugal friction clutch |
JP2003065365A (en) * | 2001-08-29 | 2003-03-05 | Wakayama Nainenki Co Ltd | Centrifugal clutch |
CN2773393Y (en) * | 2005-02-05 | 2006-04-19 | 重庆隆鑫工业(集团)有限公司 | Hoof-block clutch |
CN2916248Y (en) * | 2006-07-13 | 2007-06-27 | 新乡市矿益煤机有限公司 | Adjustable moment-limit centrifugal clutch |
CN103225657A (en) * | 2013-04-09 | 2013-07-31 | 苏州瑞佳新能源动力科技有限公司 | Automatic dry-type centrifugal roller torque force clutch |
CN207814271U (en) * | 2017-12-29 | 2018-09-04 | 天津升起科技有限公司 | A kind of drum brake |
CN109114130A (en) * | 2018-08-09 | 2019-01-01 | 宁波华表机械制造有限公司 | A kind of drum brake formula bidirectional automatic clutch |
CN210318249U (en) * | 2019-08-02 | 2020-04-14 | 宁波华表机械制造有限公司 | Equidistant cam centrifugal bidirectional automatic clutch |
-
2019
- 2019-08-02 CN CN201910710232.9A patent/CN110375009A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB752291A (en) * | 1953-08-08 | 1956-07-11 | Auguste Ritz | Improvements in and relating to a shock absorber for vehicles |
US5730269A (en) * | 1995-09-29 | 1998-03-24 | Hersey Clutch Company | Centrifugal friction clutch |
JP2003065365A (en) * | 2001-08-29 | 2003-03-05 | Wakayama Nainenki Co Ltd | Centrifugal clutch |
CN2773393Y (en) * | 2005-02-05 | 2006-04-19 | 重庆隆鑫工业(集团)有限公司 | Hoof-block clutch |
CN2916248Y (en) * | 2006-07-13 | 2007-06-27 | 新乡市矿益煤机有限公司 | Adjustable moment-limit centrifugal clutch |
CN103225657A (en) * | 2013-04-09 | 2013-07-31 | 苏州瑞佳新能源动力科技有限公司 | Automatic dry-type centrifugal roller torque force clutch |
CN207814271U (en) * | 2017-12-29 | 2018-09-04 | 天津升起科技有限公司 | A kind of drum brake |
CN109114130A (en) * | 2018-08-09 | 2019-01-01 | 宁波华表机械制造有限公司 | A kind of drum brake formula bidirectional automatic clutch |
CN210318249U (en) * | 2019-08-02 | 2020-04-14 | 宁波华表机械制造有限公司 | Equidistant cam centrifugal bidirectional automatic clutch |
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