CN205078664U - Flexible blade subassembly and brake drum - Google Patents
Flexible blade subassembly and brake drum Download PDFInfo
- Publication number
- CN205078664U CN205078664U CN201520775994.4U CN201520775994U CN205078664U CN 205078664 U CN205078664 U CN 205078664U CN 201520775994 U CN201520775994 U CN 201520775994U CN 205078664 U CN205078664 U CN 205078664U
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- blade
- brake drum
- seat
- opening
- cavity
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Abstract
The utility model discloses a flexible blade subassembly, including sliding seat, blade seat and blade, the blade seat sets up in the sliding seat, rooting -in of blades in the blade seat, blade protractile blade seat. An outside, every hold the intracavity be provided with one as above that a plurality of chambeies that hold have evenly been arranged to the brake drum on the annular outer wall of brake drum, and all cross sections that hold the chamber are T shape, and its opening is all towards the brake drum flexible blade subassembly. The vehicle with higher speed or when at the uniform velocity going, flexible blade subassembly can not stretch out the surface of brake drum to reduce aerodynamic drag and power consumption. When the vehicle in order to be greater than a certain severity of braking when braking, the blade can stretch out the surface of brake drum, can increase aerodynamic drag, reinforcing braking effect. Improve the air flow velocity of brake drum surface simultaneously, consequently the heat dispersion of reinforcing brake drum, can avoid descending because of brakeing the overheated brake performance of causing, guarantees vehicle braking effect.
Description
Technical field
The utility model relates to vehicle brake technology field, is specifically related to a kind of flexible blade assembly and is configured with the brake drum of this assembly.
Background technique
Break is the important safety parts of vehicle, so the Braking efficiency ensureing break is very important.For comprising the drum brake of brake drum and brake shoe, according to the needs of traveling state of vehicle, break needs to work for a long time or continually sometimes, constantly can transfer most for vehicle kinetic energy to heat energy like this, most heat energy is braked device and absorbs, and the temperature of break raises, and easily causes brake overheating, the Braking efficiency of drum brake is obviously reduced, affects the Safety performance of vehicle.The heat produced during car brakeing absorbs primarily of brake drum, and is dispersed into environment, therefore, needs to cool brake drum in time, to guarantee the Braking efficiency of break.
In prior art, the technological scheme that the break of vehicle often uses the physical environment residing for break to cool.But physical environment has diversity, particularly the size of summer, winter and wind speed, often affects the cooling effect of brake drum, easily causes brake overheating.Especially, need braking continuously in descending section, braking can continue to produce heat, and cause the Braking efficiency of vehicle sharply to decline, bring huge test to motor vehicle braking system, the working life of drum brake can shorten greatly.Therefore, need the better drum brake of a kind of heat dispersion, ensure the Security that vehicle travels.
Model utility content
For the defect existed in above-mentioned technology, the utility model proposes a kind of flexible blade assembly, this assembly is configurable on brake drum, improves the heat dispersion of brake drum, to ensure the effect of car brakeing.
In order to solve the problems of the technologies described above, the technological scheme that the utility model adopts is:
A kind of flexible blade assembly, comprise sliding seat, blade seat and blade, described blade seat is arranged in sliding seat, blades installation in blade seat, the extended blade seat of blade.
Preferably, described sliding seat has mounting groove, and blade seat is positioned at mounting groove, and the bottom of blade seat is connected with the bottom of mounting groove by return spring, and the opening of mounting groove has outside flanging.
Preferably, the inside of described blade seat is provided with the blade cavity that can hold blade, and blade is positioned at blade cavity, and the opening of blade cavity has the stop part that limit blade is deviate from.
Preferably, described blade one end bottom blade seat, being provided with can the limiting stopper that departs from of blocking vane and blade seat, and the stop part of described limiting stopper and blade seat is suitable.
Another object of the present utility model is to propose a kind of brake drum, and this brake drum has better heat dispersion.
To achieve these goals, the technical solution of employing is the utility model:
A kind of brake drum, the annular outer wall of brake drum has been evenly arranged multiple receiving cavity, and the cross section of all receiving cavities is T-shaped, and its opening, all towards the outside of brake drum, is provided with a flexible blade assembly as above in each receiving cavity.
Preferably, described sliding seat is connected with the madial wall of receiving cavity by extension spring, and sliding seat is limited in receiving cavity by the flanging of mounting groove, and sliding seat can slide in receiving cavity.
Preferably, the opening of described mounting groove towards the opening with blade cavity towards, all with the opening of receiving cavity towards identical.
Preferably, the annular outer wall of described brake drum four receiving cavities have been evenly arranged.
By adopting technique scheme, Advantageous Effects of the present utility model is: drum brake is by arranging telescopic blade in the inside of brake drum, when vehicle acceleration or when at the uniform velocity travelling, flexible blade assembly can not stretch out the outer surface of brake drum, to reduce resistance of air and power consumpiton.When vehicle is to be greater than the braking of a certain severity of braking, blade can stretch out the outer surface of brake drum, can increase resistance of air, strengthens braking effect; Improve the speed air flow of brake drum outer surface simultaneously, strengthen the heat dispersion of brake drum, therefore, can avoid because brake overheating causes braking ability to decline, ensure car brakeing effect.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of a kind of flexible blade assembly of the utility model.
Fig. 2 is the structural principle schematic section of a kind of brake drum of the utility model.
Fig. 3 is the sectional view of a certain using state of a kind of brake drum of the utility model
Fig. 4 is the sectional view of another using state of a kind of brake drum of the utility model
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
Embodiment 1, composition graphs 1, and a kind of flexible blade assembly, flexible blade assembly comprises sliding seat 3, blade seat 4 and blade 5, and described blade seat 4 is arranged in sliding seat 3, and blade 5 is arranged in blade seat 4, the extended blade seat 4 of blade 5.Described sliding seat 3 has mounting groove 7, and blade seat 4 is positioned at mounting groove 7, and the bottom of blade seat 4 is connected with the bottom of mounting groove 7 by return spring 8, and the opening of sliding seat 3 has the flanging turned down laterally.
The inside of blade seat 4 has the blade cavity 9 that can hold blade 5, and blade 5 is positioned at the blade cavity 9 of blade seat 4, and the opening of blade cavity 9 has the stop part that limit blade 5 is deviate from, and stop part will block blade 5, make it can not depart from blade cavity 9 completely.The opening of described mounting groove 7 towards the opening with blade cavity 9 towards identical.Described blade 5 one end bottom blade seat 4, being provided with can the limiting stopper that departs from blade seat 4 of blocking vane 5, and the stop part of described limiting stopper and blade seat is suitable.
Embodiment 2, composition graphs 2 to Fig. 4, a kind of brake drum, the annular outer wall of this brake drum 1 have been evenly arranged four receiving cavities 2, and the cross section of all receiving cavities 2 is T-shaped, and its opening is all towards the outside of brake drum 1.A flexible blade assembly is as described in Example 1 provided with in each receiving cavity 2.The sliding seat 3 of flexible blade assembly is connected by the madial wall of coil tension spring 6 with receiving cavity 2, and the initial position of sliding seat 3 is shown in Fig. 4, and sliding seat 3 is limited in the side in receiving cavity 2 by coil tension spring 6, and sliding seat 3 can slide in receiving cavity 2.The opening of described mounting groove 7 towards the opening with blade cavity 9 towards, all with the opening of receiving cavity 2 towards identical.
When vehicle is in normal travelling state, flexible blade assembly is all positioned at the inside of the receiving cavity 2 at its place, and flexible blade assembly is positioned at the side of receiving cavity 2 opening, flexible blade assembly is away from the joint of coil tension spring 6 with the madial wall of receiving cavity 2, coil tension spring 6 is in the state that nature extends, all blades 5 are all contracted in the blade seat 4 of its correspondence, reduce resistance of air and power consumpiton.When it is braked, the speed of wheel reduces, each flexible blade assembly is under the effect of inertial force, opening to receiving cavity 2 moves, coil tension spring 6 is compressed, when flexible blade assembly slide into the opening of sliding seat 3 just relative with the opening of the receiving cavity 2 at its place time, blade seat 4 under the effect of centripetal force and gravity, away from the bottom of sliding seat 3.Under the pulling force effect of return spring 8, blade seat 4 can not depart from sliding seat 3, and simultaneously blade 5 is under the effect of centripetal force and gravity, stretches out the blade cavity 9 of blade seat 4, the stop part of blade cavity 9 opening blocks blade 5 one end with limiting stopper, and blade 5 stretches out the annular outer wall of brake drum 1.The part that blade 5 stretches out brake drum 1 can accelerate the air flowing of brake drum 1 outside, takes away the heat that brake drum 1 is a large amount of, the temperature of brake drum 1 is reduced, strengthens its thermal diffusivity, ensure that the Braking efficiency of break.When car brakeing intensity and speed are reduced to a certain numerical value, during certain position above the axis that a receiving cavity 2 of brake drum 1 forwards brake drum to, the blade 5 of this receiving cavity 2 can bounce back in blade seat 4 under the effect of self gravitation and centripetal force.Meanwhile, blade seat 4 also can be returned in the mounting groove 7 of sliding seat 3 by return spring 8, and the flexible blade assembly after contraction comes back to receiving cavity 2.Flexible blade assembly is under the effect of coil tension spring 6, and again pushed back to the side of receiving cavity 2, coil tension spring 6 recovers nature elongation state.During certain position above the axis turning to brake drum 1 of remaining receiving cavity 2, the flexible blade assembly corresponding with it is also retracted to the inside of this receiving cavity 2.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (8)
1. a flexible blade assembly, comprises sliding seat, blade seat and blade, it is characterized in that, described blade seat is arranged in sliding seat, blades installation in blade seat, the extended blade seat of blade.
2. one according to claim 1 is stretched blade assembly, it is characterized in that, described sliding seat has mounting groove, and blade seat is positioned at mounting groove, the bottom of blade seat is connected with the bottom of mounting groove by return spring, and the opening of mounting groove has outside flanging.
3. one according to claim 2 is stretched blade assembly, and it is characterized in that, the inside of described blade seat is provided with the blade cavity that can hold blade, and blade is positioned at blade cavity, and the opening of blade cavity has the stop part that limit blade is deviate from.
4. one according to claim 1 is stretched blade assembly, it is characterized in that, described blade one end bottom blade seat, and being provided with can the limiting stopper that departs from of blocking vane and blade seat, and the stop part of described limiting stopper and blade seat is suitable.
5. a brake drum, it is characterized in that, the annular outer wall of brake drum has been evenly arranged multiple receiving cavity, the cross section of all receiving cavities is T-shaped, its opening, all towards the outside of brake drum, is provided with a flexible blade assembly as described in any one of Claims 1-4 in each receiving cavity.
6. a kind of brake drum according to claim 5, is characterized in that, described sliding seat is connected with the madial wall of receiving cavity by extension spring, and sliding seat is limited in receiving cavity by the flanging of mounting groove, and sliding seat can slide in receiving cavity.
7. a kind of brake drum according to claim 5, is characterized in that, the opening of described mounting groove towards and blade cavity opening towards, all with the opening of receiving cavity towards identical.
8. a kind of brake drum according to claim 5, is characterized in that, the annular outer wall of described brake drum has been evenly arranged four receiving cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775994.4U CN205078664U (en) | 2015-10-08 | 2015-10-08 | Flexible blade subassembly and brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775994.4U CN205078664U (en) | 2015-10-08 | 2015-10-08 | Flexible blade subassembly and brake drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078664U true CN205078664U (en) | 2016-03-09 |
Family
ID=55431076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520775994.4U Expired - Fee Related CN205078664U (en) | 2015-10-08 | 2015-10-08 | Flexible blade subassembly and brake drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078664U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156525A (en) * | 2015-10-08 | 2015-12-16 | 山东科技大学 | Telescopic blade assembly and brake drum |
| CN107806482A (en) * | 2017-11-20 | 2018-03-16 | 清华大学苏州汽车研究院（相城） | A kind of drawing sheet brake system for eliminating mechanical hysteresis |
-
2015
- 2015-10-08 CN CN201520775994.4U patent/CN205078664U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156525A (en) * | 2015-10-08 | 2015-12-16 | 山东科技大学 | Telescopic blade assembly and brake drum |
| CN105156525B (en) * | 2015-10-08 | 2017-10-31 | 山东科技大学 | A kind of flexible blade assembly and brake drum |
| CN107806482A (en) * | 2017-11-20 | 2018-03-16 | 清华大学苏州汽车研究院（相城） | A kind of drawing sheet brake system for eliminating mechanical hysteresis |
| CN107806482B (en) * | 2017-11-20 | 2024-04-02 | 清华大学苏州汽车研究院（相城） | Stretching type sheet brake system capable of eliminating mechanical hysteresis |
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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: 20160309 Termination date: 20161008 |