CN102322488A - A kind of novel drum is stopped - Google Patents
A kind of novel drum is stopped Download PDFInfo
- Publication number
- CN102322488A CN102322488A CN201110263455A CN201110263455A CN102322488A CN 102322488 A CN102322488 A CN 102322488A CN 201110263455 A CN201110263455 A CN 201110263455A CN 201110263455 A CN201110263455 A CN 201110263455A CN 102322488 A CN102322488 A CN 102322488A
- Authority
- CN
- China
- Prior art keywords
- brake
- roller
- brake shoes
- edge face
- novel
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012141 concentrate Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of novel drum stops; Comprise shell, be located at the interior a pair of brake shoes of shell, be connected this reposition element between the brake shoes and brake arm assembly; This to an end rotating position of brake shoes in the enclosure; Be provided with the brake wheel by brake arm assembly rotary driving between this end gap to the brake shoes the other end, each butt has roller between the brake shoes end face of brake wheel and both sides, and brake wheel is provided with the limit structure that prevents the roller dislocation.The present invention is directed to the stop structure of internal drive brake shoes expansion of drum and improve, change original drum and stop and adopt cam directly to drive the working method of brake shoes expansion, effectively reduce wear, prolong its working life, improve car brakeing effect and braking safety.
Description
Technical field
The present invention relates to a kind of drum stops.
Background technique
Drum is stopped and has been applied in above the automobile nearly centurial history, but because its reliability and powerful braking force make drum brakes still be configured on many vehicles now.As shown in Figure 1, the most existing drum is stopped and mainly is made up of shell 01, a pair of brake shoes 02, brake cam 05, brake rocker 03 and reset components 04.During braking, brake rocker drives brake cam and rotates, and brake cam forces brake shoes 02 expansion and contacts with shell 01, produces friction and then realizes brake, after the end of braking, relies on reset components that brake shoes 02 is retracted original position.In the braking process; Between brake shoes 02 and shell 01, produce the wearing and tearing, can produce wearing and tearing equally between brake cam and the brake shoes, and these wearing and tearing concentrate on all the time on the several points or face of brake cam; Greatly shortened the working life of brake cam; In addition, existing drum is stopped and is also existed braking moment little, the shortcoming that braking effect is poor, the car brakeing coasting distance is big.Technician's improvement of stopping to drum at present mainly concentrates on brake shoes and the shell, to brake cam and to drive the architecture advances of brake shoes expansion very few for it, therefore rouses the existing above-mentioned defective of stopping and fails effectively to be solved always.
Summary of the invention
Problem to be solved by this invention just provides a kind of novel drum and stops; Structure to rousing the internal drive brake shoes expansion of stopping is improved; Changing original drum stops and adopts cam directly to drive the working method of brake shoes expansion; Effectively reduce wear, prolong its working life, improve car brakeing effect and braking safety.
For solving the problems of the technologies described above; The present invention adopts following technological scheme: a kind of novel drum is stopped; Comprise shell, be located at the interior a pair of brake shoes of shell, be connected this reposition element between the brake shoes and brake arm assembly; This to an end rotating position of brake shoes in the enclosure; It is characterized in that: be provided with the brake wheel by brake arm assembly rotary driving between this end gap to the brake shoes the other end, each butt has roller between the brake shoes end face of brake wheel and both sides, and brake wheel is provided with the limit structure that prevents the roller dislocation.
Further, said limit structure comprises the positioning plate that is located at respectively on the axial both ends of the surface of brake wheel, and the two ends of said roller are provided with axial raised roll pin, and said positioning plate is provided with the spacing hole that supplies roll pin to radially slide along brake wheel; The edge of said brake wheel is provided with the spacing edge face that cooperates the butt roller with the brake shoes end face.
Further, said spacing edge face comprises the rotational slide edge face that rotation that roller rotates drives the edge face and supplies roller to roll that promotes, and said rotation drives that arc transition is connected between edge face and the rotational slide edge face.
Further, it is the arc surface of indent that said rotation drives the edge face, and said rotational slide edge face is the arc surface of evagination.
Further, connect through axial connecting plate between two positioning plates.
Further, said spacing hole is a waist shaped hole.
Further, said brake arm assembly comprises brake rocker and the live axle that is connected with brake rocker, and said live axle one end runs through and connects brake wheel and two positioning plates.
Further; The part that said live axle runs through brake wheel and two positioning plates is a cuboid; The positioning plate center has two fan-shaped positioning holes that communicate and is used to cooperate cuboid to realize the spacing rotation of two positioning plates, wherein is provided with the elastic reset structure between a positioning plate and the driveshaft end; In braking or the braking releasing process, the elastic reset structure acts on roller through positioning plate, makes to have the restoring force that the rotation pointed to drives the edge face on the roller all the time.
Further, said elastic reset structure is the torsion spring of cross-under between positioning plate and driveshaft end.
Further, a side of said brake shoes end is provided with spacing block teeth, and the interior edge face of spacing block teeth is the circular arc of indent.Prevent that roller is extruded between brake wheel and brake shoes end face.
Beneficial effect of the present invention:
Original drum is stopped and is adopted cam directly to drive the brake shoes expansion, produces sliding friction between cam and the brake shoes, and friction concentrates on the several points or face of cam all the time, causes cam wear serious, thereby shortens its working life; Principle of the present invention is: the brake arm assembly drives the brake wheel rotation, and brake wheel outwards pushes against roller, drives the brake shoes expansion by roller; The friction that produces between roller and brake wheel and the brake shoes end face belongs to rolling friction; It is much smaller that its frictional force is compared sliding friction, and fretting wear is not concentrated on certain several point or face of roller, thereby reduced the wearing and tearing of component; Feasible drum still has insensitivity preferably after stopping and using for a long time, has prolonged the working life that drum is stopped; In addition, adopt roller to drive brake shoes, increased braking moment, the vehicle braked effect is strengthened, and the braking coasting distance shortens greatly.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further explanation:
The structural representation that Fig. 1 stops for existing drum;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the assembling schematic representation of brake wheel, the gaily decorated basket, roller;
Fig. 4 is a preferred structure schematic representation of the present invention;
Fig. 5 is a principle schematic one of the present invention;
Fig. 6 is a principle schematic two of the present invention.
Embodiment
With reference to Fig. 2-3; A kind of novel drum is stopped; Comprise shell 1, be located at a pair of brake shoes 2 in the shell 1, be connected this to reposition element between the brake shoes 23 and brake arm assembly, this in shell 1, is provided with the brake wheel 7 by brake arm assembly rotary driving to an end rotating position of brake shoes 2 between this end gap to brake shoes 2 the other ends; Each butt has roller 71 between brake shoes 2 end faces of brake wheel 7 and both sides, and brake wheel 7 is provided with the limit structure that prevents roller 71 dislocations.Limit structure comprises the positioning plate 50 that is located at respectively on the brake wheel 7 axial both ends of the surface, and the two ends of said roller 71 are provided with axial raised roll pin 711, and said positioning plate 50 is provided with the spacing hole 51 that supplies roll pin 711 to radially slide along brake wheel 7; The edge of said brake wheel 7 is provided with the spacing edge face that cooperates butt roller 71 with brake shoes 2 end faces; Spacing edge face comprises the rotational slide edge face 73 that rotation that roller 71 rotates drives edge face 72 and supplies roller 71 to roll that promotes, and said rotation drives that arc transition is connected between edge face 72 and the rotational slide edge face 73; Wherein rotation driving edge face 72 is the arc surface of indent, and said rotational slide edge face 73 is the arc surface of evagination; Connect through axial connecting plate 53 between the piece positioning plate 50, spacing hole 51 adopts waist shaped hole.
The brake arm assembly comprises brake rocker 41 and the live axle 42 that is connected with brake rocker 41, and said live axle 42 1 ends run through and connect brake wheel 7 and two positioning plates 50.
The part that live axle 42 runs through brake wheel 7 and two positioning plates 50 is a cuboid 421; Positioning plate 50 centers have two fan-shaped positioning holes 52 that communicate and are used to cooperate cuboid 421 to realize the spacing rotation of two positioning plates 50, wherein are provided with the elastic reset structure between a positioning plate 50 and live axle 42 ends; In braking or the braking releasing process, the elastic reset structure acts on roller 71 through positioning plate 50, makes to have the restoring force that the rotation pointed to drives edge face 72 on the roller 71 all the time; The elastic reset structure is the torsion spring 6 of cross-under between positioning plate 50 and live axle 42 ends.
With reference to Fig. 4, the vehicle of running at high speed needs powerful braking moment when carrying out braking; Be prone to cause roller 71 to be extruded internally; For avoiding this situation to take place, a side of brake shoes 2 ends is provided with spacing block teeth 21, and the interior edge face of spacing block teeth 21 is the circular arc of indent; Can prevent effectively that roller 71 is extruded between brake wheel 7 and brake shoes 2 end faces, thereby guarantee braking safety.
The principle of the invention:
With reference to Fig. 5,6, it is initial to implement braking, and the brake arm assembly drives brake wheel 7 rotations; Rotation drives edge face 72 and promotes roller 71 rotations, and roller 71 is a turning point with fulcrum A, rolls gradually to get into rotational slide edge face 73; After roller 71 got into rotational slide edge face 73 fully, along with the increase of rotational slide edge face 73 radians, roller 71 strutted to both sides gradually; Arc until reaching rotational slide edge face 73 ejects, and reaches maximum braking moment.Can know from above-mentioned principle: the friction that produces between roller 71 and brake wheel 7 and brake shoes 2 end faces belongs to rolling friction; It is much smaller that its frictional force is compared sliding friction; And fretting wear is not concentrated on certain several point or face of roller 71; Thereby reduced the wearing and tearing of component, made drum stop and still have insensitivity preferably after the use for a long time, prolonged the working life that drum is stopped; In addition, adopt roller 71 to drive brake shoes 2, increased braking moment, the vehicle braked effect is strengthened, and the braking coasting distance shortens greatly.
Outside the above-mentioned preferred embodiment, the present invention also has other mode of execution, and those skilled in the art can make various changes and distortion according to the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of accompanying claims of the present invention.
Claims (10)
1. a novel drum is stopped; Comprise shell (1), be located at the interior a pair of brake shoes (2) of shell (1), be connected this reposition element (3) and brake arm assembly between the brake shoes (2); This to an end rotating position of brake shoes (2) in shell (1); It is characterized in that: be provided with brake wheel (7) between this end gap by brake arm assembly rotary driving to brake shoes (2) the other end; Each butt has roller (71) between brake shoes (2) end face of brake wheel (7) and both sides, and brake wheel (7) is provided with the limit structure that prevents roller (71) dislocation.
2. a kind of novel drum according to claim 1 is stopped; It is characterized in that: said limit structure comprises the positioning plate (50) that is located at respectively on the axial both ends of the surface of brake wheel (7); The two ends of said roller (71) are provided with axial raised roll pin (711), and said positioning plate (50) is provided with the spacing hole (51) that supplies roll pin (711) to radially slide along brake wheel (7); The edge of said brake wheel (7) is provided with the spacing edge face that cooperates butt roller (71) with brake shoes (2) end face.
3. a kind of novel drum according to claim 2 is stopped; It is characterized in that: said spacing edge face comprises the rotational slide edge face (73) that rotation that roller (71) rotates drives edge face (72) and supplies roller (71) to roll that promotes, and said rotation drives that arc transition is connected between edge face (72) and the rotational slide edge face (73).
4. a kind of novel drum according to claim 3 is stopped, and it is characterized in that: said rotation drives edge face (72) and is the arc surface of indent, and said rotational slide edge face (73) is the arc surface of evagination.
5. stop according to claim 2 or 3 or 4 described a kind of novel drums, it is characterized in that: connect through axial connecting plate (53) between two positioning plates (50).
6. stop according to claim 2 or 3 or 4 described a kind of novel drums, it is characterized in that: said spacing hole (51) is a waist shaped hole.
7. stop according to claim 2 or 3 or 4 described a kind of novel drums; It is characterized in that: said brake arm assembly comprises brake rocker (41) and the live axle (42) that is connected with brake rocker (41), and said live axle (42) one ends run through and connect brake wheel (7) and two positioning plates (50).
8. a kind of novel drum according to claim 7 is stopped; It is characterized in that: the part that said live axle (42) runs through brake wheel (7) and two positioning plates (50) is cuboid (421); Positioning plate (50) center has two fan-shaped positioning holes (52) that communicate and is used to cooperate cuboid (421) to realize the spacing rotation of two positioning plates (50), wherein is provided with the elastic reset structure between a positioning plate (50) and live axle (42) end; In braking or the braking releasing process, the elastic reset structure acts on roller (71) through positioning plate (50), makes to have the restoring force that the rotation pointed to drives edge face (72) on the roller (71) all the time.
9. a kind of novel drum according to claim 8 is stopped, and it is characterized in that: said elastic reset structure is the torsion spring (6) of cross-under between positioning plate (50) and live axle (42) end.
10. stop according to claim 2 or 3 or 4 described a kind of novel drums, it is characterized in that: a side of said brake shoes (2) end is provided with spacing block teeth (21), and the interior edge face of spacing block teeth (21) is the circular arc of indent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110263455 CN102322488B (en) | 2011-09-07 | 2011-09-07 | Novel drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110263455 CN102322488B (en) | 2011-09-07 | 2011-09-07 | Novel drum brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102322488A true CN102322488A (en) | 2012-01-18 |
| CN102322488B CN102322488B (en) | 2013-06-05 |
Family
ID=45450292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110263455 Active CN102322488B (en) | 2011-09-07 | 2011-09-07 | Novel drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322488B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588471A (en) * | 2012-03-12 | 2012-07-18 | 许志明 | Safe drum brake |
| CN104653662A (en) * | 2015-02-11 | 2015-05-27 | 温州智创科技有限公司 | Drum brake |
| CN108825680A (en) * | 2018-08-09 | 2018-11-16 | 郭千华 | A kind of drum brake |
| CN113294458A (en) * | 2021-05-24 | 2021-08-24 | 仇梅惠 | Improved drum brake structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2433140Y (en) * | 2000-07-22 | 2001-06-06 | 谢新庭 | Collinear equipollent driving device of floating camshaft type brake shoe |
| CN2680926Y (en) * | 2004-03-10 | 2005-02-23 | 梁育红 | Floating type adjustment-free automobile brake |
| JP2006090535A (en) * | 2004-09-27 | 2006-04-06 | Hosei Brake Ind Ltd | Drum brake |
| DE102006053627A1 (en) * | 2005-11-14 | 2007-05-16 | Magna Powertrain Ag & Co Kg | Drum brake, comprises spreading elements working in combination with rotating mutual cam and slotted drive shaft |
| CN101014781A (en) * | 2004-07-20 | 2007-08-08 | 本迪克斯·斯派塞基金会布雷克有限公司 | Cam actuated drum brake |
| CN202266615U (en) * | 2011-09-07 | 2012-06-06 | 许志明 | Novel drum brake |
-
2011
- 2011-09-07 CN CN 201110263455 patent/CN102322488B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2433140Y (en) * | 2000-07-22 | 2001-06-06 | 谢新庭 | Collinear equipollent driving device of floating camshaft type brake shoe |
| CN2680926Y (en) * | 2004-03-10 | 2005-02-23 | 梁育红 | Floating type adjustment-free automobile brake |
| CN101014781A (en) * | 2004-07-20 | 2007-08-08 | 本迪克斯·斯派塞基金会布雷克有限公司 | Cam actuated drum brake |
| JP2006090535A (en) * | 2004-09-27 | 2006-04-06 | Hosei Brake Ind Ltd | Drum brake |
| DE102006053627A1 (en) * | 2005-11-14 | 2007-05-16 | Magna Powertrain Ag & Co Kg | Drum brake, comprises spreading elements working in combination with rotating mutual cam and slotted drive shaft |
| CN202266615U (en) * | 2011-09-07 | 2012-06-06 | 许志明 | Novel drum brake |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588471A (en) * | 2012-03-12 | 2012-07-18 | 许志明 | Safe drum brake |
| CN104653662A (en) * | 2015-02-11 | 2015-05-27 | 温州智创科技有限公司 | Drum brake |
| CN104653662B (en) * | 2015-02-11 | 2016-04-06 | 温州智创科技有限公司 | A kind of drum is stopped |
| CN108825680A (en) * | 2018-08-09 | 2018-11-16 | 郭千华 | A kind of drum brake |
| CN113294458A (en) * | 2021-05-24 | 2021-08-24 | 仇梅惠 | Improved drum brake structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102322488B (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102305252B (en) | Improved drum brake structure | |
| CN102322488B (en) | Novel drum brake | |
| CN102135177A (en) | Braking parking mechanism for dune buggy | |
| CN102588471A (en) | Safe drum brake | |
| CN108087453B (en) | A kind of dual brake piece brake units of frictional displacement | |
| CN202441769U (en) | Safe drum brake | |
| CN202266615U (en) | Novel drum brake | |
| CN103899683A (en) | Actuating expanding device for automobile drum brake and drum brake | |
| CN202266616U (en) | Improved structure of drum brake | |
| CN204140703U (en) | Drum brake | |
| CN105545990B (en) | A kind of automobile arrestment mechanism | |
| CN217539401U (en) | Improved drum brake structure | |
| CN204978097U (en) | Install disc brake's forklift driving axle housing | |
| CN202628891U (en) | Modified pneumatic brake camshaft | |
| CN107554287B (en) | A kind of automobile based on double rolling key clutch | |
| CN214998966U (en) | Improved drum brake structure | |
| CN211770002U (en) | Disk brake of bridge crane | |
| CN104027959B (en) | The brake gear of golf cart and brake method thereof | |
| CN204784306U (en) | Brake and vehicle | |
| CN103738315A (en) | Hand brake mechanism of motor vehicle | |
| CN105351396A (en) | Leading trailing shoe brake | |
| CN202040317U (en) | Brake parking mechanism of all terrain vehicle | |
| CN206493931U (en) | A kind of novel automobile brake apparatus | |
| CN204327817U (en) | A kind of brake wheel | |
| CN203868187U (en) | Novel drum brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGXIN HUAYI MACHINERY CO., LTD. Free format text: FORMER OWNER: XU ZHIMING Effective date: 20140424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140424 Address after: 313117 Zhejiang city of Huzhou province Changxing County coal town of Xinmin Village Patentee after: CHANGXING HUAYI ELECTROMECHANICAL CO., LTD. Address before: 313117 Zhejiang city of Huzhou province Changxing County coal town of Xinmin Village Patentee before: Xu Zhiming |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 313117 Industrial Park, Changxing County Town, Changxing County, Huzhou Patentee after: Changxin Lola mechanical and Electrical Co., Ltd. Address before: 313117 Xinmin village, coal Hill Town, Changxing County, Huzhou, Zhejiang Patentee before: CHANGXING HUAYI ELECTROMECHANICAL CO., LTD. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120118 Assignee: Zhejiang Luyuan Electric Vehicle Co., Ltd. Assignor: Changxin Lola mechanical and Electrical Co., Ltd. Contract record no.: X2019330000002 Denomination of invention: Novel drum brake Granted publication date: 20130605 License type: Exclusive License Record date: 20190808 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Zhejiang Lvyuan Electric Vehicle Co.,Ltd. Assignor: CHANGXING LUOLA ELECTROMECHANICAL Co.,Ltd. Contract record no.: X2019330000002 Date of cancellation: 20210712 |