CN205592301U - Brake hub - Google Patents
Brake hub Download PDFInfo
- Publication number
- CN205592301U CN205592301U CN201620394452.7U CN201620394452U CN205592301U CN 205592301 U CN205592301 U CN 205592301U CN 201620394452 U CN201620394452 U CN 201620394452U CN 205592301 U CN205592301 U CN 205592301U
- Authority
- CN
- China
- Prior art keywords
- brake drum
- braking parts
- ring stiffener
- lightening grooves
- cranse
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a brake hub, including being equipped with the brake hub body of installation department, transitional coupling portion and braking portion, in the braking portion and the one end of the keeping away from transitional coupling portion tension sleeve that has closely cooperated, be equipped with annular strengthening rib in the braking portion between tension sleeve and the transitional coupling portion that is located, the surface of annular strengthening rib protrusion braking portion and with braking portion set up as an organic whole, one of them side of annular strengthening rib go up or the both sides face on all be equipped with a plurality of first heavy grooves that subtract. Through the cooperation of strengthening rib and tension sleeve, guaranteed structural strength and mechanical properties, the radiating effect is good, has avoided the vertical crazing of brake hub inner wall, chappy emergence, can also offset radial expansion and warp, has improved brake hub's fatigue resistance, simultaneously the tension sleeve has the power of holding tightly to the brake hub body, has avoided the break danger of departure of brake hub, has improved life and safety in utilization, the effect that heavy groove neither influences annular strengthening rib and takes is subtracted through first, brake hub's weight can also be reduced, the lightweight of realization brake hub.
Description
Technical field
This utility model belongs to brake system of car technical field, particularly relates to a kind of brake drum.
Background technology
Brakes is one of important composition system of automobile, and at present, in truck field, application is relatively
For being to use traditional one piece casting drum brake widely.Present stage, typical drum brake includes
Brake drum and shoe brake composition, shoe brake can contact with the medial surface of brake drum.Brake drum is at automobile
Driving process is in rotary state, when needs brake, shoe brake press under the action of the braking force in
On brake drum, utilize the frictional resistance between brake drum, so that the car deceleration travelled or parking, with
Ensure traffic safety.
When automobile heavy-load, run at high speed time, especially when lower long slope or abrupt slope, owing to needing bigger system
The braking of power and continuous several times is to ensure that automobile is in controllable state so that brake drum inner wall temperature is drastically
Raising, the internal-external temperature difference of brake drum strengthens, and causes the mechanical behavior under high temperature constituting brake drum material drastically to decline,
Fatigue strength reduces.Owing to traditional brake drum material is casting pig, casting pig has that intensity is low, fragility is big
Typical characteristics, in order to reduce the negative effect that these characteristics are brought, the wall thickness of brake drum must be made very
Thickness, to ensure that brake drum has higher structural strength.But the wall thickness of brake drum is the biggest, brake drum is braked
Time internal-external temperature difference the biggest, the temperature difference strengthens the thermal (temperature difference) stress that causes and deteriorates plus the mechanical behavior under high temperature of material,
And then cause brake drum inwall to be developed into be full of cracks by longitudinal fine fisssure, so that last brake drum cracking.Therefore, pass
The cast-in-block brake drum of system is comparatively short for service life.
Meanwhile, traditional brake drum, if contacting with water after braking by after Quench, it may occur that hot tearing, explosion
Phenomenon, severe patient brake drum can rupture and fly out, and then cause safety in utilization poor.
In order to avoid do the thickest of the wall thickness of brake drum and heat dispersion can be improved, with shoe brake on brake drum
The wall thickness reduction of mating area (being defined as braking parts), then arranges a reinforcing strip on the outer wall of braking parts,
This reinforcing strip is arranged at the zone line of braking parts, and if annular setting between the both sides of reinforcing strip and braking parts
Dry axially extended fin, is provided with spacing, and all wings of both sides between adjacent two fins of the same side
Sheet all staggers setting.Using the brake drum of this structure, the overall weight of brake drum does not alleviate, brake drum
After being installed to miscellaneous part, the burden of miscellaneous part can be increased, and, manufacturing process is complicated, molding difficulty
Greatly, yield rate is low, and manufacturing cost is high；Meanwhile, the brake drum complex contour of this structure, wall thickness easily occurs not
Uniform phenomenon, and then cause dynamic balancing weak effect.
Utility model content
The purpose of this utility model is to provide a kind of brake drum, is ensureing structural strength, service life and is making
On the premise of safety, it is achieved good heat dissipation effect, the generation of reduction crack performance, and reduce system
The overall weight of dynamic drum and the purpose of manufacturing cost.
For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of brake drum, including braking
Drum body, described brake drum body includes installation portion and braking parts, between described installation portion and described braking parts
It is provided with transition connection portion；Closely cooperate cranse in described braking parts and away from one end of described transition connection portion；
It is provided with ring stiffener, institute in described braking parts between described cranse and described transition connection portion
State ring stiffener and protrude the outer surface of described braking parts, and described ring stiffener is arranged with described braking parts
Being integrated, described ring stiffener is provided with multiple first lightening grooves, and described first lightening grooves is arranged at described
On the wherein one side of ring stiffener, or may be contained within the two sides of described ring stiffener.
Improving as one, described ring stiffener includes that annular array and protrudes described in described braking parts
Multiple cylinders of braking parts outer surface, described cylinder and described braking parts are set to one, adjacent two institutes
State and between cylinder, be provided with connector, between described connector with cylinder described in adjacent two, form described
One lightening grooves.
As further improving, described first lightening grooves is arc lightening grooves.
As further improving, described ring stiffener is provided with multiple dynamic balancing and removes repeated hole, described dynamic
Balance goes repeated hole to be arranged on described cylinder.
As further improving, described between described ring stiffener and described transition connection portion
Be additionally provided with multiple second lightening grooves in braking parts, described second lightening grooves annular array in described braking parts also
Extend to described first lightening grooves direction.
As improvement further, described cranse is single-column type structure, and described cranse is in described braking parts
It is provided with multiple.
As improvement further, it is provided with cannelure with the described braking parts of described cranse correspondence position.
As improvement further, the width of described cannelure is tight with described braking parts more than described cranse
Width at cooperation.
As improvement further, described installation portion is additionally provided with multiple groove.
As improvement further, described groove is located close to the side of described braking parts.
Owing to have employed technical scheme described above, the useful effect of a kind of brake drum provided by the utility model
Fruit is:
Owing to braking parts is provided with ring stiffener, thus add the portion at braking parts by ring stiffener
Dividing thickness, because braking parts bears main brake force when braking, and then wall thickness increases, its structural strength
Can be effectively improved with mechanical performance (including fatigue strength and tensile strength)；Simultaneously as braking
Closely cooperated in portion cranse, thus can be the most thinning with the braking parts thickness of cranse corresponding position, is conducive to dissipating
Heat, and then when braking, the temperature difference of this inside and outside of brake drum diminishes, and improves heat conductivity, the most effectively
Avoid brake drum inner body wall longitudinal direction fine fisssure, the problem of be full of cracks generation, coordinate with ring stiffener, it is ensured that
Structural strength at whole braking parts and mechanical performance；And, can effectively offset radially dilatancy,
Improve the fatigue resistance of brake drum body；Meanwhile, cranse has enclasping force to brake drum body, it is to avoid
Brake drum body ruptures the danger flown out, and substantially increases service life and safety in utilization.
Owing to being equipped with multiple first lightening grooves on the wherein one side of ring stiffener or on two sides, thus
Use this structure, the most do not affect ring stiffener role, and, save material, significantly drop
The low overall weight of brake drum, it is achieved the light-weighted effect of brake drum, this brake drum is installed to miscellaneous part
After, greatly reduce the burden of miscellaneous part；Meanwhile, this brake drum, manufacturing process is simple, molding difficulty
Little, yield rate is high, and manufacturing cost is substantially reduced for tradition, additionally, outside this brake drum
Shape is simple, and wall thickness uniform in shaping, dynamic balancing effect can obtain good guarantee.
In sum, use this brake drum, by reinforcement and the cooperation of cranse, not only ensure that structure is strong
Degree and mechanical performance, and, good heat dissipation effect, effectively prevent brake drum inner body wall longitudinal direction fine fisssure, Testudinis
The problem splitting generation, moreover it is possible to effective counteracting radially dilatancy, improves the fatigue resistance of brake drum body；
Meanwhile, cranse has enclasping force to brake drum body, it is to avoid brake drum body ruptures the danger flown out, greatly
Improve greatly service life and safety in utilization；Additionally, the most do not affect annular reinforcement by the first lightening grooves
Muscle role, moreover it is possible to save material, effectively reduce overall weight and the manufacturing cost of brake drum, real
The existing light-weighted effect of brake drum.
Owing to ring stiffener includes multiple cylinder and connector, between connector and two adjacent cylinders
Form the first lightening grooves, thus by this structure, the first lightening grooves be the most plastic in brake drum casting process,
Save the operation of following process the first lightening grooves.
Owing to the first lightening grooves is arc lightening grooves, thus by arcuate structure, ensureing ring stiffener knot
On the premise of structure intensity, the consumption of material can be controlled to greatest extent, for realizing the light-weighted effect of brake drum
Lay a good foundation；Meanwhile, use this arcuate structure will not produce stress to concentrate, it is ensured that application.
Go repeated hole (it is known that brake drum is mounted in wheel owing to ring stiffener is provided with multiple dynamic balancing
On hub, and wheel hub is rotatably installed on driving axis by bearing), thus remove repeated hole by dynamic balancing
It is adjusted the aequum of brake drum body, reduces rotary centrifugal force and outer knockout press, and then reduce bearing
Burden, improve the service life of bearing；Meanwhile, this dynamic balancing goes repeated hole can also play auxiliary heat dissipation
Effect.
Owing to braking parts is provided with multiple second lightening grooves, thus by the second lightening grooves, further mitigate
The overall weight of this brake drum, and be conducive to heat radiation；Meanwhile, by the annular array structure of the second lightening grooves,
Not only will not interfere with valve cock, and, it is simple to quickly find with valve cock dodge position, for
The installation being easy to brake drum body is laid a good foundation.
Owing to the second lightening grooves extends to the first lightening grooves direction, thus realize the second lightening grooves by this structure
With being mutually correspondingly arranged of the first lightening grooves, it is to avoid the second lightening grooves interferes with ring stiffener.
Owing to cranse is single-column type structure, and it is provided with multiple in braking parts, thus by adjacent two cranses
The heat be easy at braking parts of region distribute；Meanwhile, the cranse of single-column type structure is easy to processing and manufacturing, and
Low cost of manufacture.
Owing to being provided with cannelure with the braking parts of cranse correspondence position, thus prevent cranse from taking off by cannelure
Fall.
Owing to the width of cannelure is more than cranse width, thus when assembling, it is simple to cranse is assembled to cannelure
In.
Owing to being additionally provided with multiple groove on installation portion, thus further reduce brake drum originally by groove
The weight of body, is likewise advantageous to heat radiation.
Owing to groove is located close to the side of braking parts, thus ensure that the aesthetics of this brake drum body, with
Time, it is to avoid it is opened in the side away from braking parts, increases manufacturing procedure for ensureing flatness.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the A direction view in Fig. 1；
Fig. 4 is the enlarged drawing of B in Fig. 2；
In figure, 1-brake drum body；101-installation portion；1011-installing hole；102-transition connection portion；103-
Braking parts；104-ring stiffener；1041-the first lightening grooves；Repeated hole is removed in 1042-dynamic balancing；1043-cylinder
Body；1044-connector；105-the second lightening grooves；2-cranse；3-cannelure；4-groove.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically
Embodiment, only in order to explain this utility model, is not used to limit this utility model.
Common shown as shown in Figure 1 to Figure 4, a kind of brake drum, including the brake drum body 1 of casting, this system
Dynamic drum body 1 includes the installation portion 101 for being connected with wheel and for the braking parts coordinated with shoe brake
103, it is provided with transition connection portion 102 between this installation portion 101 and braking parts 103；In this braking parts 103 and
Having closely cooperated cranse 2 away from one end of transition connection portion 102, in this programme, this cranse 2 is provided with multiple
And be single-column type structure, multiple axial arrays of cranse 2 are in braking parts 103.
It is provided with ring stiffener 104 in braking parts 103 between cranse 2 and transition connection portion 102, should
Ring stiffener 104 protrudes the outer surface of braking parts 103, and ring stiffener 104 sets with braking parts 103
Setting as one, this ring stiffener 104 is provided with multiple first lightening grooves 1041, this first lightening grooves 1041
It is arranged at the wherein one side of ring stiffener 104, or may be contained within the two sides of ring stiffener 104,
These two sides include: near the side of transition connection portion 102 with away from transition connection on ring stiffener 104
The side in portion 102.
This ring stiffener 104 includes that annular array and protrudes braking parts 103 outer surface in braking parts 103
Multiple cylinders 1043, cylinder 1043 and braking parts 103 are set to one, adjacent two cylinders 1043
Between be attached by connector 1044, shape between this connector 1044 and two adjacent cylinders 1043
Become the first lightening grooves 1041.
As preferably, this first lightening grooves 1041 is arc lightening grooves, and this arc lightening grooves passes through connector 1044
Formed with two adjacent cylinder 1043 rounding ofves, say, that: the side view of ring stiffener 104
For waveform；It is of course also possible to be other shape.
Be additionally provided with in braking parts 103 between ring stiffener 104 and transition connection portion 102 multiple in
The second recessed lightening grooves 105, this second lightening grooves 105 annular array on the outer peripheral face of braking parts 103 and to
First lightening grooves 1041 direction extends, and both are mutually correspondingly arranged.
This ring stiffener 104 is provided with multiple dynamic balancing and removes repeated hole 1042, and as preferably, this dynamic balancing is gone
Repeated hole 1042 is arranged on cylinder 1043, and what repeated hole 1042 was removed in this dynamic balancing offers region according to actual need
Select.
Being provided with cannelure 3 with the braking parts 103 of cranse 2 correspondence position, the width of this cannelure 3 is more than hoop
Circle 2 with braking parts 103 closely cooperate place width；This cranse 2 being shaped as away from braking parts 103 one end
Semicircle, square, U-shaped or other other shapes being capable of as those skilled in the art.
Being additionally provided with multiple groove 4 on this installation portion 101, it is adjacent that each groove 4 is respectively positioned on installation portion 101
Between two installing holes 1011；This groove 4 is opened in side (that is: the installation portion 101 near braking parts 103
Medial surface).
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should
Within being included in protection domain of the present utility model.
Claims (10)
1. a brake drum, including brake drum body, it is characterised in that described brake drum body includes installing
Portion and braking parts, be provided with transition connection portion between described installation portion and described braking parts；In described braking parts and
Closely cooperate cranse away from one end of described transition connection portion；
It is provided with ring stiffener, institute in described braking parts between described cranse and described transition connection portion
State ring stiffener and protrude the outer surface of described braking parts, and described ring stiffener is arranged with described braking parts
Being integrated, described ring stiffener is provided with multiple first lightening grooves, and described first lightening grooves is arranged at described
On the wherein one side of ring stiffener, or may be contained within the two sides of described ring stiffener.
2. brake drum as claimed in claim 1, it is characterised in that described ring stiffener includes circular array
Being listed in described braking parts and protrude multiple cylinders of described braking parts outer surface, described cylinder is with described
Braking parts is set to one, is provided with connector described in adjacent two between cylinder, and described connector is with adjacent
Described first lightening grooves is formed between cylinder described in two.
3. brake drum as claimed in claim 2, it is characterised in that described first lightening grooves is arc loss of weight
Groove.
4. brake drum as claimed in claim 3, it is characterised in that described ring stiffener is provided with multiple
Dynamic balancing goes repeated hole, described dynamic balancing to go repeated hole to be arranged on described cylinder.
5. the brake drum as described in any one of Claims 1-4, it is characterised in that be positioned at described annular and add
Multiple second lightening grooves it is additionally provided with in strong described braking parts between muscle and described transition connection portion, described second
Lightening grooves annular array extends in described braking parts and to described first lightening grooves direction.
6. brake drum as claimed in claim 5, it is characterised in that described cranse is single-column type structure, and
Described cranse is provided with multiple in described braking parts.
7. brake drum as claimed in claim 6, it is characterised in that described in described cranse correspondence position
Braking parts is provided with cannelure.
8. brake drum as claimed in claim 7, it is characterised in that the width of described cannelure is more than described
Cranse and described braking parts closely cooperate the width at place.
9. brake drum as claimed in claim 5, it is characterised in that described installation portion is provided with multiple groove.
10. brake drum as claimed in claim 9, it is characterised in that described groove is located close to described system
The side in dynamic portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394452.7U CN205592301U (en) | 2016-05-04 | 2016-05-04 | Brake hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394452.7U CN205592301U (en) | 2016-05-04 | 2016-05-04 | Brake hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592301U true CN205592301U (en) | 2016-09-21 |
Family
ID=56933627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620394452.7U Withdrawn - After Issue CN205592301U (en) | 2016-05-04 | 2016-05-04 | Brake hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205592301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736609A (en) * | 2016-05-04 | 2016-07-06 | 山东浩信机械有限公司 | Brake drum |
| CN108412920A (en) * | 2018-03-30 | 2018-08-17 | 东风商用车有限公司 | A kind of brake drum |
-
2016
- 2016-05-04 CN CN201620394452.7U patent/CN205592301U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736609A (en) * | 2016-05-04 | 2016-07-06 | 山东浩信机械有限公司 | Brake drum |
| CN108412920A (en) * | 2018-03-30 | 2018-08-17 | 东风商用车有限公司 | A kind of brake drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160921 Effective date of abandoning: 20171107 |