JPH0274631U - - Google Patents
Info
- Publication number
- JPH0274631U JPH0274631U JP15348288U JP15348288U JPH0274631U JP H0274631 U JPH0274631 U JP H0274631U JP 15348288 U JP15348288 U JP 15348288U JP 15348288 U JP15348288 U JP 15348288U JP H0274631 U JPH0274631 U JP H0274631U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- brake
- wheel
- vehicle
- contact part
- 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
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Braking Arrangements (AREA)
Description
第１図は本考案の一実施例に係るドラムブレー
キの冷却装置を示す前輪の断面図、第２図は第１
図の部詳細図、第３図はドラムブレーキを備え
る従来の前輪の断面図である。
図面中、４はハブ、５はホイール、７はブレー
キドラム、８はブレーキシユー、２１は通風路、
２６はチエツクボール（開閉部材）、２７はスプ
リング、３１はバイメタル（開閉部材）である。
FIG. 1 is a sectional view of a front wheel showing a drum brake cooling device according to an embodiment of the present invention, and FIG.
FIG. 3 is a sectional view of a conventional front wheel equipped with a drum brake. In the drawing, 4 is a hub, 5 is a wheel, 7 is a brake drum, 8 is a brake shoe, 21 is a ventilation passage,
26 is a check ball (opening/closing member), 27 is a spring, and 31 is a bimetal (opening/closing member).
Claims (1)
レーキドラムの内周面にブレーキシユーを圧接し
て該ホイールの回転を停止させるドラムブレーキ
冷却装置において、 前記ブレーキドラムとブレーキシユーとの圧接
部に外気を導入する通風路を設けると共に、該通
風路に前記車両の速度と前記圧接部に発生する摩
擦熱の温度を検出し車速が所定速度以上で且つ摩
擦熱が所定の温度以上であるときに前記通風路を
開放する開閉部材を設けたことを特徴とするドラ
ムブレーキの冷却装置。[Claims for Utility Model Registration] A drum brake cooling device that presses a brake shoe against the inner peripheral surface of a brake drum that is fixed to a wheel of a vehicle and rotates integrally with the wheel to stop the rotation of the wheel, comprising: A ventilation passage is provided for introducing outside air into the pressure contact part with the brake shoe, and the ventilation passage detects the speed of the vehicle and the temperature of the frictional heat generated at the pressure contact part, and detects the speed of the vehicle and the temperature of the frictional heat generated at the pressure contact part. A cooling device for a drum brake, comprising an opening/closing member that opens the ventilation passage when the temperature is higher than a predetermined temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15348288U JPH0274631U (en) | 1988-11-28 | 1988-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15348288U JPH0274631U (en) | 1988-11-28 | 1988-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0274631U true JPH0274631U (en) | 1990-06-07 |
Family
ID=31429360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15348288U Pending JPH0274631U (en) | 1988-11-28 | 1988-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0274631U (en) |
-
1988
- 1988-11-28 JP JP15348288U patent/JPH0274631U/ja active Pending
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