JPS62107126U - - Google Patents
Info
- Publication number
- JPS62107126U JPS62107126U JP19918685U JP19918685U JPS62107126U JP S62107126 U JPS62107126 U JP S62107126U JP 19918685 U JP19918685 U JP 19918685U JP 19918685 U JP19918685 U JP 19918685U JP S62107126 U JPS62107126 U JP S62107126U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- brake
- cooling device
- annular groove
- utility
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Description
第１図はこの考案による内拡式ドラムブレーキ
用冷却装置の一実施例を示した断面図、第２図イ
は第２図ロの線Ａ―Ａにおけるブレーキドラムの
一部を示す断面図、第２図ロはブレーキドラムの
一部を示す正面図、第３図イは第３図ロの線Ｂ―
Ｂにおけるバツクプレートの一部を示す断面図、
第３図ロはバツクプレートの一部を示す正面図、
第３図ハはフイルタをバツクプレートに嵌め込む
前の状態を示す断面図、第４図はブレーキ組付状
態を示す断面図、第５図は従来のフイン付ブレー
キドラムを部分的に示した平面図、及び第６図は
従来のブレーキ冷却装置を示す系統図である。
１……ブレーキドラム、２……フイン、３……
バツクプレート、４……通気孔、５……フイルタ
、６……ブレーキライニング、７……摩耗粉、８
……環状溝、９……側壁、１０……内側部、１１
……外周部、１２……中央部。
FIG. 1 is a sectional view showing an embodiment of the cooling device for an internally expanding drum brake according to this invention, FIG. Figure 2 (b) is a front view showing a part of the brake drum, and Figure 3 (a) is line B in Figure 3 (b).
A sectional view showing a part of the back plate in B,
Figure 3B is a front view showing a part of the back plate;
Fig. 3C is a sectional view showing the state before the filter is fitted into the back plate, Fig. 4 is a sectional view showing the brake assembled state, and Fig. 5 is a plan view partially showing a conventional brake drum with fins. 1 and 6 are system diagrams showing a conventional brake cooling device. 1...brake drum, 2...fin, 3...
Back plate, 4... Ventilation hole, 5... Filter, 6... Brake lining, 7... Wear powder, 8
...Annular groove, 9...Side wall, 10...Inner part, 11
...Outer portion, 12...Central portion.
Claims (1)
バツクプレートに通気孔を形成し、且つ前記バツ
クプレートの外周部の内面側に環状溝を形成した
ことを特徴とするドラムブレーキ用冷却装置。 (2) 前記フインは前記ブレーキドラムの半径方
向に複数枚設置されていることを特徴とする実用
新案登録請求の範囲第１項に記載のドラムブレー
キ用冷却装置。 (3) 前記通気孔にはフイルタが取付けられてい
ることを特徴とする実用新案登録請求の範囲第１
項に記載のドラムブレーキ用冷却装置。 (4) 前記環状溝は断面Ｕ字状で半径方向外方に
向かつて開放し且つ摩耗粉を収容できることを特
徴とする実用新案登録請求の範囲第１項に記載の
ドラムブレーキ用冷却装置。 (5) 前記環状溝のブレーキライニング側の側壁
と前記ブレーキドラムの内周面との隙間が、非制
動時の前記ブレーキライニングと前記ブレーキド
ラムとの隙間にほぼ等しい大きさに形成されてい
ることを特徴とする実用新案登録請求の範囲第１
項に記載のドラムブレーキ用冷却装置。[Scope of claims for utility model registration] (1) Fins are provided on the inner side of the brake drum,
A cooling device for a drum brake, characterized in that a ventilation hole is formed in a back plate, and an annular groove is formed on an inner surface of an outer peripheral portion of the back plate. (2) The cooling device for a drum brake according to claim 1, wherein a plurality of the fins are installed in the radial direction of the brake drum. (3) Utility model registration claim 1, characterized in that a filter is attached to the ventilation hole.
Cooling device for drum brakes as described in section. (4) The drum brake cooling device according to claim 1, wherein the annular groove has a U-shaped cross section, opens outward in the radial direction, and is capable of accommodating wear debris. (5) The gap between the side wall of the annular groove on the brake lining side and the inner peripheral surface of the brake drum is formed to be approximately equal in size to the gap between the brake lining and the brake drum when braking is not applied. Claim 1 for utility model registration characterized by
Cooling device for drum brakes as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19918685U JPS62107126U (en) | 1985-12-26 | 1985-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19918685U JPS62107126U (en) | 1985-12-26 | 1985-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62107126U true JPS62107126U (en) | 1987-07-08 |
Family
ID=31160571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19918685U Pending JPS62107126U (en) | 1985-12-26 | 1985-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107126U (en) |
-
1985
- 1985-12-26 JP JP19918685U patent/JPS62107126U/ja active Pending
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