JPS5937441U - Drum brake waterproofing device - Google Patents
Drum brake waterproofing deviceInfo
- Publication number
- JPS5937441U JPS5937441U JP13436982U JP13436982U JPS5937441U JP S5937441 U JPS5937441 U JP S5937441U JP 13436982 U JP13436982 U JP 13436982U JP 13436982 U JP13436982 U JP 13436982U JP S5937441 U JPS5937441 U JP S5937441U
- Authority
- JP
- Japan
- Prior art keywords
- backing plate
- brake
- water
- water conduit
- labyrinth
- 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
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Braking Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例である防水装置を含むドラム
ブレーキの一部切欠断面図、第２図は第１図における■
矢視図（一部切欠）であり、第３−図はその■−■断面
図である。第４図は本考案の他の実施例を示す第１図に
対応する要部拡大断面図であり、第５図は第４図に示す
防水装置の排水口周辺を示す断面図である。
８ニブレーキドラム、１２． ４４：バッキングプレー
ト本体、１８：内フランジ、２０：外フランジ、２１：
Ｕ字溝（ドラム側の）、２４：傾斜部、２６：フランジ
（バッキングプレート本体の）、２８：円環部材、３２
． ５０：溝、３４：フランジ（円環部材の）、３６：
Ｕ字溝（バッキングプレート側の）、３８：導水口、４
０：ダストカバー、４１゜４８：導水路、４２． ５４
：排水口、４６：仕切部材、５２：隔壁部。
−第１図
第２図Fig. 1 is a partially cutaway sectional view of a drum brake including a waterproof device, which is an embodiment of the present invention, and Fig. 2 is
It is a view in the direction of arrows (partially cut away), and Figure 3 is a sectional view taken along ■-■. FIG. 4 is an enlarged sectional view of a main part corresponding to FIG. 1 showing another embodiment of the present invention, and FIG. 5 is a sectional view showing the vicinity of the drain port of the waterproofing device shown in FIG. 4. 8 brake drums, 12. 44: Backing plate body, 18: Inner flange, 20: Outer flange, 21:
U-shaped groove (on drum side), 24: Slanted part, 26: Flange (on backing plate main body), 28: Annular member, 32
．． 50: Groove, 34: Flange (of the annular member), 36:
U-shaped groove (on backing plate side), 38: Water inlet, 4
0: Dust cover, 41° 48: Water conduit, 42. 54
: Drain port, 46: Partition member, 52: Partition wall part. -Figure 1Figure 2
Claims (1)
部を覆う状態に配設されてブレーキシュー、シュー拡開
装置等のブレーキ構成要素を保持するバッキングプレー
トとを備えたドラムブし一部において、前記ブレーキド
ラムの開口側端部と前記バッキングプレートのそれに近
接する部分とによってラビリンスを形成し、前記ブレー
キドラム内に水が侵入することを防止する形式の防水装
置 置であって、 ゛ 前記バッキングプレートの前記ラビリンスを形成する部
分の少なくとも一部を二重壁構造として該二重壁の間に
該バッキングプレートの上方部分から下方へ円周方向に
延びる導水路を形成するとともに、該導水路の上方部分
において前記二重壁の内側壁に前記ラビリンス内に侵入
した水を該導水路に導入する少なくとも１個の開口を設
ける一方、該導水路の下方部分には該導水路内の水を当
該バッキングプレートの外側へ排出する排水口を設けた
ことを特徴とするドラムブレーキの防水装置。[Scope of Claim for Utility Model Registration] A brake drum having a cylindrical shape with a bottom and a backing plate disposed to cover the opening of the brake drum and holding brake components such as brake shoes and a shoe expansion device. A waterproofing device is provided in which a labyrinth is formed between the open end of the brake drum and a portion of the backing plate adjacent thereto to prevent water from entering the brake drum. ``At least a part of the labyrinth-forming part of the backing plate has a double wall structure, and a water conduit is formed between the double walls and extending circumferentially from an upper part of the backing plate downward. At least one opening is provided in the inner wall of the double wall in the upper part of the water conduit for introducing water that has entered into the labyrinth into the water conduit, while in the lower part of the water conduit there is provided A waterproofing device for a drum brake, characterized in that a drainage port is provided for discharging water in a waterway to the outside of the backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13436982U JPS5937441U (en) | 1982-09-03 | 1982-09-03 | Drum brake waterproofing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13436982U JPS5937441U (en) | 1982-09-03 | 1982-09-03 | Drum brake waterproofing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5937441U true JPS5937441U (en) | 1984-03-09 |
Family
ID=30302790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13436982U Pending JPS5937441U (en) | 1982-09-03 | 1982-09-03 | Drum brake waterproofing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5937441U (en) |
-
1982
- 1982-09-03 JP JP13436982U patent/JPS5937441U/en active Pending
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