CN208634248U - A kind of hollow brake drum - Google Patents
A kind of hollow brake drum Download PDFInfo
- Publication number
- CN208634248U CN208634248U CN201820825926.8U CN201820825926U CN208634248U CN 208634248 U CN208634248 U CN 208634248U CN 201820825926 U CN201820825926 U CN 201820825926U CN 208634248 U CN208634248 U CN 208634248U
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- Prior art keywords
- brake drum
- cylindrical
- sleeve
- layer sleeve
- drum
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Abstract
The utility model discloses a kind of hollow brake drums, it is cylindrical shroud barrel structure that it, which rouses body, one side is equipped with annular flange, flange hole is uniformly provided on annular flange, it is connect for being coupled with wheel rim and wheel hub, the cylindrical sleeve of the brake drum is coaxially made of inner layer sleeve and outer layer sleeve, it is connected between the inner layer sleeve and outer layer sleeve by stud, the stud is distributed uniformly and circumferentially, and perforation cylindrical sleeve is axial, so that forming the through-hole structure of perforation along the direction parallel with axis on the cylindrical drum body circumference of brake drum.The braking heat dissipation performance of brake drum is effectively promoted in the utility model, avoids the case where brake drum leads to Cracking Failure because of overheat in braking process, to reduce claim cost, Improving The Quality of Products.
Description
Technical field
The utility model belongs to automotive axle field of structural design, and in particular to a kind of hollow brake drum.
Background technique
Often there is the case where brake drum overheat, this will seriously lead in heavy duty, frequently braking in existing driving vehicle bridge
The failure modes such as brake drum cracking are caused to occur.Defective drum, which then causes to stop, does not live vehicle, and claim is at high cost, also seriously affects production
Product prestige.
Summary of the invention
For above-mentioned defect existing in the prior art, the utility model provides a kind of hollow brake drum, is effectively promoted
The heat dissipation performance of brake drum avoids brake drum overheat from causing to fail, in conjunction with Figure of description, the technical solution of the utility model
It is as follows:
A kind of hollow brake drum, drum body are cylindrical shroud barrel structure, and one side is equipped with annular flange 16, in annular flange
Flange hole 11 is uniformly provided on 16, for being coupled and connecting with wheel rim 2 and wheel hub 5, the cylindrical sleeve of the brake drum 1 by
Inner layer sleeve 13 and outer layer sleeve coaxial 12 are constituted, and are connected between the inner layer sleeve 13 and outer layer sleeve 12 by stud 14,
The stud 14 is distributed uniformly and circumferentially, and penetrates through cylindrical sleeve axial direction, so that in the cylindrical drum body circle of brake drum 1
Zhou Shang forms the through-hole structure 15 of perforation along the direction parallel with axis.
Compared with prior art, the utility model has the beneficial effects that:
Hollow brake drum described in the utility model, by the circumference of the cylindrical drum body of brake drum, along with axis
Parallel direction opens up the through-hole structure of perforation, radiates relative to existing solid cylinder and rouses structure, system is effectively promoted
The braking heat dissipation performance for moving drum, avoids the case where brake drum leads to Cracking Failure because of overheat in braking process, to drop
Low claim cost, Improving The Quality of Products.
Detailed description of the invention
Fig. 1 is the assembling structure schematic diagram of hollow brake drum described in the utility model；
Fig. 2 is the outer end face structural schematic diagram of hollow brake drum described in the utility model；
Fig. 3 is A-A cross-sectional view in Fig. 2；
Fig. 4 is B-B cross-sectional view in Fig. 3；
In figure:
1- brake drum, 2- wheel rim, 3- lug nut, 4- tire bolt,
5- wheel hub；
11- flange hole, 12- outer layer sleeve, 13- inner layer sleeve, 14- stud,
15- through-hole structure, 16- annular flange.
Specific embodiment
For the technical solution of the utility model is further described, in conjunction with Figure of description, the specific implementation of the utility model
Mode is as follows:
As shown in Figure 1, brake drum 1 described in the utility model is matched with wheel hub 5 and wheel rim 2, in brake drum 1 and phase therewith
It is coupled corresponding position on the wheel hub 5 of connection and the end face of wheel rim 2 and is provided with equally distributed flange hole；The brake drum 1
The male half coupling of round inner stopper and wheel hub 5 match so that the flange outer end face of the flange inner face of brake drum 1 and wheel hub 5
It fits；The male half coupling of the round male half coupling and wheel rim 2 of the brake drum 1 matches so that the flange outer end face of brake drum 1 with
The flange inner face of wheel rim 2 fits；Tire bolt 4 sequentially passes through 5 end face of wheel rim 2, brake drum 1 and wheel hub within outer respectively
Upper corresponding flange hole, and tightened tire bolt 4 by screwing in lug nut 3, realize wheel rim 2, brake drum 1 and wheel hub 5
Axial restraint.
As shown in Figure 2, Figure 3 and Figure 4, the drum body of brake drum 1 described in the utility model is cylindrical shroud barrel structure, brake drum
2 interior installation friction plate assembly.1 side of brake drum is equipped with annular flange 16, and flange hole 11 is uniformly provided on annular flange 16,
For being coupled and connecting with wheel rim 2 and wheel hub 5；The cylindrical sleeve of the brake drum 1 is by inner layer sleeve 13 and outer layer sleeve
Coaxial 12 are constituted, and are connected between the inner layer sleeve 13 and outer layer sleeve 12 by stud 14, the stud 14 is along the circumferential direction
It is uniformly distributed, and it is axial to penetrate through sleeve, so that on the cylindrical drum body circumference of brake drum 1, along the direction parallel with axis
Form the through-hole structure 15 of perforation.
Claims (1)
1. a kind of hollow brake drum, drum body is cylindrical shroud barrel structure, and one side is equipped with annular flange (16), in annular flange
(16) flange hole (11) are uniformly provided on, for being coupled and connecting with wheel rim (2) and wheel hub (5), it is characterised in that:
The cylindrical sleeve of the brake drum (1) is coaxially made of inner layer sleeve (13) and outer layer sleeve (12), the internal layer set
It is connect between cylinder (13) and outer layer sleeve (12) by stud (14), the stud (14) is distributed uniformly and circumferentially, and passes through
Logical cylindrical sleeve is axial, so that being formed and being passed through along the direction parallel with axis on the cylindrical drum body circumference of brake drum (1)
Logical through-hole structure (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820825926.8U CN208634248U (en) | 2018-05-31 | 2018-05-31 | A kind of hollow brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820825926.8U CN208634248U (en) | 2018-05-31 | 2018-05-31 | A kind of hollow brake drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634248U true CN208634248U (en) | 2019-03-22 |
Family
ID=65733303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820825926.8U Active CN208634248U (en) | 2018-05-31 | 2018-05-31 | A kind of hollow brake drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634248U (en) |
-
2018
- 2018-05-31 CN CN201820825926.8U patent/CN208634248U/en active Active
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| GR01 | Patent grant |