CN201666320U - Brake - Google Patents
Brake Download PDFInfo
- Publication number
- CN201666320U CN201666320U CN2010201367706U CN201020136770U CN201666320U CN 201666320 U CN201666320 U CN 201666320U CN 2010201367706 U CN2010201367706 U CN 2010201367706U CN 201020136770 U CN201020136770 U CN 201020136770U CN 201666320 U CN201666320 U CN 201666320U
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- CN
- China
- Prior art keywords
- brake shoe
- brake
- plectrum
- break
- regulating sleeve
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a brake, which comprises a bottom plate. A leading brake shoe and a trailing brake shoe are arranged on the bottom plate. A brake pump is arranged between the leading brake shoe and the trailing brake shoe. An automatic adjusting device for adjusting brake clearance is arranged on a brake shoe. When a friction disc is worn and the brake clearance between the brake shoe and a brake drum is increased, the automatic adjusting device can be used for adjusting the brake clearance between the brake shoe and the brake drum. And the adjustment is convenient. The automatic adjusting device comprises a driving device and a clearance adjusting device. The driving device is arranged on the trailing brake shoe. In the process of vehicle running, the brake clearance between the brake shoe and the brake drum is not adjusted and is adjusted only when a vehicle backs off and is braked. Thereby, the driving safety and the driving comfort are enhanced.
Description
Technical field
The utility model relates to a kind of break, relates to a kind of break that can regulate the braking gap between braking plate and the brake drum automatically specifically.
Background technique
Drum brake is a kind of a kind of braking device that brakes to rotatablely moving, drum brake generally comprises base plate, base plate is provided with two brake shoes, on two brake shoes, be respectively arranged with friction plate, two brake shoes, one end is hinged, two brake shoe the other ends are provided with brake pump, be provided with Returnning spring between two brake shoes, realize separately braking of brake shoe by brake pump, realize resetting of two brake shoes by Returnning spring, brake shoe has suitable braking gap, if braking gap is too small between its friction plate and the brake drum when idle home position, just be difficult for guaranteeing thorough brake off, cause dragging of friction pair to rub, loss power, braking gap is excessive, cause driver's operation inconvenience, simultaneously also can postpone the time that break begins to work, it is ineffective also may to produce braking, and driver's safety is threatened.Friction plate in use for some time, because the continuous wearing and tearing of friction plate, braking gap between friction plate and the brake drum is increased, in order to make break have good braking ability, usually need adjust the braking gap between friction plate and the brake drum, the regulative mode that adopts mainly is a manual tune now, regulate cumbersome, regulate inhomogeneous, also have some automatic control tegulatingdevices be by brake shoe separately, drive the plectrum action, regulate the braking gap between friction plate and the brake drum, but because brake is more frequent when driving, so plectrum one direct acting makes the plectrum premature fatigue lose efficacy easily, shorten its working life, and the adjustment of braking gap is carried out in the brake process of advancing, and causes easily and stops partially, Security and travelling comfort that influence is driven.
The model utility content
Problem to be solved in the utility model is at above problem, provide a kind of easy to adjust, can regulate, not influence the Security of driving and the break of travelling comfort to the braking gap between friction plate and the brake drum in when brake reversing.
For addressing the above problem, the technological scheme that the utility model adopted is: a kind of break, comprise base plate, described base plate is provided with neck brake shoe and from brake shoe, described neck brake shoe and be provided with brake pump between the brake shoe, described brake shoe is provided with the automatic control tegulatingdevice of regulating braking gap.
As a kind of optimized project, described automatic control tegulatingdevice comprises drive unit and slack adjuster.
A kind of concrete optimized project, described drive unit comprises runner, plectrum and stiff spring, and described plectrum is connected with stiff spring, and described runner is provided with backguy, and described backguy one end is connected with plectrum, and the other end of described backguy is fixedlyed connected with base plate.
A kind of concrete optimized project, described runner is arranged on from brake shoe.
A kind of concrete optimized project, described runner is positioned at the neutral position from brake shoe.
A kind of concrete optimized project, an end of described plectrum is with hinged from brake shoe.
A kind of concrete optimized project, the intermediate portion of described plectrum is provided with attachment hole, and described stiff spring is connected with plectrum by attachment hole with backguy.
As a kind of optimized project, described slack adjuster is in the underpart of neck brake shoe with between the underpart of brake shoe.
A kind of concrete optimized project, described slack adjuster comprises regulating sleeve, and the two ends of described regulating sleeve are respectively arranged with supporting base, and the outer peripheral surface of described regulating sleeve is provided with the thumb wheel that is connected with plectrum.
A kind of concrete optimized project, be positioned at regulating sleeve wherein the supporting base of an end be threaded with regulating sleeve, the supporting base and the regulating sleeve that are positioned at the other end of regulating sleeve are rotatably connected.
The utility model is taked above technological scheme, have the following advantages: because brake shoe is provided with automatic control tegulatingdevice, so behind friction disc wear, braking gap between brake shoe and the brake drum increases, can regulate the braking gap between brake shoe and the brake drum by automatic control tegulatingdevice, easy to adjust, automatic control tegulatingdevice comprises drive unit and slack adjuster, drive unit is arranged on from brake shoe, in the process that vehicle is advanced, can not regulate the braking gap between brake shoe and the brake drum, only when the reversing braking, just can regulate, strengthen the Security and the travelling comfort of driving the braking gap between brake shoe and the brake drum.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of break among the utility model embodiment;
Accompanying drawing 2 is the structural representation of the utility model embodiment intermediate gap controlling device;
Accompanying drawing 3 is the left view of accompanying drawing 2.
Among the figure: the 1-base plate; The 2-stiff spring; 3-leads brake shoe; The 4-Returnning spring; The 5-brake pump; 6-supports bearing pin; The 7-connecting ring; The 8-backguy; The 9-stationary axle; The 10-runner; 11-is from brake shoe; The 12-hook; The 13-rotating shaft; The 14-fixed hole; The 15-plectrum; 16-first supporting base; 161-positioning supports axle; The 17-attachment hole; The 18-regulating sleeve; The 181-tapped hole; The 182-through hole; The 19-thumb wheel; 20-second bearing support; The 201-double-screw bolt; The 21-friction plate; The 22-stage clip.
Embodiment
Embodiment: as shown in Figure 1, a kind of break, comprise base plate 1, base plate 1 is provided with brake shoe, brake shoe comprises neck brake shoe 3 and from brake shoe 11, lead brake shoe 3 and fixedly connected with base plate 1 by stage clip 22 from brake shoe 11, lead brake shoe 3 and be respectively arranged with friction plate 21 from brake shoe 11, lead brake shoe 3 and be provided with brake pump 5 between the brake shoe 11, brake pump 5 is an oil hydraulic pump, brake shoe is provided with the automatic control tegulatingdevice of regulating braking gap, and automatic control tegulatingdevice comprises drive unit and slack adjuster.
Lead the upper end of brake shoe 3 and support bearing pin 6 from being provided with between the upper end of brake shoe 11, brake pump 5 is positioned at the bottom of supporting bearing pin 6, be provided with Returnning spring 4 in the bottom of brake pump 5, an end of Returnning spring 4 with the neck brake shoe 3 be connected, the other end of Returnning spring 4 be connected from brake shoe 11.
Drive unit comprises runner 10, plectrum 15 and stiff spring 2, and plectrum 15 is connected with stiff spring 2, and runner 10 is provided with backguy 8, and backguy 8 one ends are connected with plectrum 15, and the other end of backguy 8 is fixedlyed connected with base plate 1.
Runner 10 is arranged on from brake shoe 11, and runner 10 is positioned at from the neutral position of brake shoe 11, and runner 10 passes through stationary axle 9 and fixedlys connected from brake shoe 11.
Shown in accompanying drawing 2 and accompanying drawing 3, slack adjuster is in the underpart of neck brake shoe 3 with between the underpart of brake shoe 11, slack adjuster comprises regulating sleeve 18, the two ends of regulating sleeve 18 are respectively arranged with supporting base, and the outer peripheral surface of regulating sleeve 18 is provided with the thumb wheel 19 that is connected with plectrum 15.
Being positioned at the supporting base that is connected from brake shoe 11 1 ends with regulating sleeve 18 is first supporting base 16, being positioned at the supporting base of leading brake shoe 3 one ends to be connected with regulating sleeve 18 is second supporting base 20, first supporting base 16 is provided with positioning supports axle 161, second supporting base 20 is provided with double-screw bolt 201, one end of regulating sleeve 18 is provided with tapped hole 181, the other end of regulating sleeve 18 is provided with through hole 182, double-screw bolt 201 on second supporting base 20 is threaded with tapped hole 181 on the regulating sleeve 18, second supporting base, 20 the other ends are connected with neck brake shoe 3, positioning supports axle 161 on first supporting base 16 is rotatably connected with through hole 182 on the regulating sleeve 18, the other end of first supporting base 16 be connected from brake shoe 11.
After friction plate 21 wearing and tearing, braking gap between friction plate 21 and the brake drum increases, when in the vehicle traveling process, braking, because neck brake shoe 3 stressed different with from brake shoe 11, neck brake shoe 3 is braked pump 5 earlier and struts, friction plate 21 on the neck brake shoe 3 contacts with brake drum earlier, produce braking force, and in braking process, so the distance that the distance that is strutted from brake shoe 11 is strutted less than neck brake shoe 3 is even when the braking gap between friction plate 21 and the brake drum during greater than the numerical value of setting, brake in the vehicle traveling process, can not adjust yet, thereby strengthen the Security and the travelling comfort of driving braking gap; When reversing is braked, under the effect of the frictional force between brake shoe 11 upper friction plates 21 and the brake drum, make from the distance that struts of brake shoe 11 and increase, thereby runner 10 is outwards moved, backguy 8 pulling plectrums 15 clockwise rotate, under the effect of stiff spring 2, the end that plectrum 15 is connected with thumb wheel 19 moves downward, be stuck between two gear teeth of thumb wheel 19, after skidding is finished, under the effect of Returnning spring 4, neck brake shoe 3 and reset from brake shoe 11 is under the pulling force of stiff spring 2, plectrum 15 rotates counterclockwise, plectrum 15 is stirred thumb wheel 19 and is rotated, and thumb wheel 19 drives regulating sleeve 18 and rotates, thereby realizes the adjustment of the braking gap between friction plate 21 and the brake drum.
Claims (10)
1. break, comprise base plate (1), described base plate (1) is provided with brake shoe, described brake shoe comprises neck brake shoe (3) and from brake shoe (11), described neck brake shoe (3) and be provided with brake pump (5) between the brake shoe (11), it is characterized in that: described brake shoe is provided with the automatic control tegulatingdevice of regulating braking gap.
2. a kind of break as claimed in claim 1 is characterized in that: described automatic control tegulatingdevice comprises drive unit and slack adjuster.
3. a kind of break as claimed in claim 2, it is characterized in that: described drive unit comprises runner (10), plectrum (15) and stiff spring (2), described plectrum (15) is connected with stiff spring (2), described runner (10) is provided with backguy (8), described backguy (8) one ends are connected with plectrum (15), and the other end of described backguy (8) is fixedlyed connected with base plate (1).
4. a kind of break as claimed in claim 3 is characterized in that: described runner (10) is arranged on from brake shoe (11).
5. a kind of break as claimed in claim 4 is characterized in that: described runner (10) is positioned at from the neutral position of brake shoe (11).
6. a kind of break as claimed in claim 3 is characterized in that: an end of described plectrum (15) is with hinged from brake shoe (11).
7. as claim 3 or 6 described a kind of breaks, it is characterized in that: the intermediate portion of described plectrum (15) is provided with attachment hole (17), and described stiff spring (2) is connected with plectrum (15) by attachment hole (17) with backguy (8).
8. a kind of break as claimed in claim 2 is characterized in that: described slack adjuster be positioned at the neck brake shoe (3) the underpart and between the underpart of brake shoe (11).
9. as claim 2 or 8 described a kind of breaks, it is characterized in that: described slack adjuster comprises regulating sleeve (18), the two ends of described regulating sleeve (18) are respectively arranged with supporting base, and the outer peripheral surface of described regulating sleeve (18) is provided with the thumb wheel (19) that is connected with plectrum (15).
10. a kind of break as claimed in claim 8, it is characterized in that: be positioned at regulating sleeve (18) wherein the supporting base of an end be threaded with regulating sleeve (18), the supporting base and the regulating sleeve (18) that are positioned at the other end of regulating sleeve (18) are rotatably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201367706U CN201666320U (en) | 2010-03-22 | 2010-03-22 | Brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201367706U CN201666320U (en) | 2010-03-22 | 2010-03-22 | Brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666320U true CN201666320U (en) | 2010-12-08 |
Family
ID=43267280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201367706U Expired - Fee Related CN201666320U (en) | 2010-03-22 | 2010-03-22 | Brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666320U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793297A (en) * | 2010-03-22 | 2010-08-04 | 潍坊金力机电有限公司 | Brake |
| CN105090299A (en) * | 2015-09-28 | 2015-11-25 | 安徽江淮汽车股份有限公司 | Self-adjusting drum brake |
| CN106523549A (en) * | 2016-12-12 | 2017-03-22 | 浙江亚太机电股份有限公司 | Self-boost drum brake with gap self-adjustment mechanism device |
| CN116928250A (en) * | 2023-09-06 | 2023-10-24 | 浙江新中南汽车零部件股份有限公司 | Gap adjusting device is preset to brake gap automatic adjustment arm |
-
2010
- 2010-03-22 CN CN2010201367706U patent/CN201666320U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793297A (en) * | 2010-03-22 | 2010-08-04 | 潍坊金力机电有限公司 | Brake |
| CN105090299A (en) * | 2015-09-28 | 2015-11-25 | 安徽江淮汽车股份有限公司 | Self-adjusting drum brake |
| CN106523549A (en) * | 2016-12-12 | 2017-03-22 | 浙江亚太机电股份有限公司 | Self-boost drum brake with gap self-adjustment mechanism device |
| CN106523549B (en) * | 2016-12-12 | 2019-07-02 | 浙江亚太机电股份有限公司 | Self-boosting type drum brake with clearance self-regulating mechanism device |
| CN116928250A (en) * | 2023-09-06 | 2023-10-24 | 浙江新中南汽车零部件股份有限公司 | Gap adjusting device is preset to brake gap automatic adjustment arm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20190322 |