JPH01178242U - - Google Patents
Info
- Publication number
- JPH01178242U JPH01178242U JP7414288U JP7414288U JPH01178242U JP H01178242 U JPH01178242 U JP H01178242U JP 7414288 U JP7414288 U JP 7414288U JP 7414288 U JP7414288 U JP 7414288U JP H01178242 U JPH01178242 U JP H01178242U
- Authority
- JP
- Japan
- Prior art keywords
- clutch surface
- pressure receiving
- brake cylinder
- screw shaft
- adjustment device
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Description
第１図：本考案に係るブレーキシリンダの拡大
断面図、第２図：デユアル・ツー・リーデイング
形ドラムブレーキの一例を示す平面図、第３，４
図：第１図の変形例の説明図、第５図：他の実施
例を示すブレーキシリンダの拡大断面図、第６図
：ツー・リーデイング形ドラムブレーキに適用し
たときのブレーキシリンダの拡大断面図、第７図
：従来のブレーキシリンダの拡大断面図。
Figure 1: An enlarged sectional view of the brake cylinder according to the present invention, Figure 2: A plan view showing an example of a dual-to-leading drum brake, Figures 3 and 4.
Figure: An explanatory diagram of a modified example of Figure 1, Figure 5: An enlarged sectional view of a brake cylinder showing another embodiment, Figure 6: An enlarged sectional view of a brake cylinder when applied to a two-leading type drum brake. , FIG. 7: An enlarged sectional view of a conventional brake cylinder.
Claims (1)
を画成するピストンと、 このピストンの流体室側に、相対回転不能且つ
軸方向に相対変位可能に取り付けたナツト部材と
、 このナツト部材をピストン方向に押し付けるば
ね部材と、 一方のねじ軸部を前記ナツト部材に可逆ねじ螺
合すると共に、他方のクラツチ面を前記ピストン
の対向部に形成したクラツチ面に係合するアジヤ
ストボルトと、 流体圧作用を受ける大径と小径の異径受圧部要
素とを備え、 流体圧が所定圧に達し、前記異径受圧部に作用
する軸力差が前記ばね部材のばね力に打ち勝つと
、前記クラツチ面の摩擦力によりアジヤストボル
トの回転を阻止するよう構成した、ブレーキシリ
ンダの自動調整装置。 (2) 大径と小径の異径受圧部要素をアジヤスト
ボルトに一体に形成してなる、請求項１記載のブ
レーキシリンダの自動調整装置。 (3) 大径と小径の異径受圧部要素を有する段付
部材を、アジヤストボルトのクラツチ面に対しね
じ軸部側の位置であつて、大径の受圧部をねじ軸
部側に、且つ小径の受圧部をクラツチ面側に向け
て配置してなる請求項１記載のブレーキシリンダ
の自動調整装置。 (4) アジヤストボルトのクラツチ面に対しねじ
軸部側に大径の受圧部を、クラツチ面を跨いだ反
対側に小径の受圧部を形成してなる、請求項２記
載のブレーキシリンダの自動調整装置。 (5) アジヤストボルトのクラツチ面に対しねじ
軸部側の部位であつて、ねじ軸部側に大径の受圧
部を、クラツチ面側に小径の受圧部を形成してな
る、請求項２記載のブレーキシリンダの自動調整
装置。 (6) アジヤストボルトのクラツチ面に対しねじ
軸部側と反対側の部位であつて、クラツチ面側に
大径の受圧部を、反対側に小径の受圧部を形成し
てなる、請求項２記載のブレーキシリンダの自動
調整装置。[Claims for Utility Model Registration] (1) A piston that is slidably fitted into a cylinder hole to define a fluid chamber; and attached to the fluid chamber side of this piston so that it is non-rotatable and relatively displaceable in the axial direction. a spring member that presses the nut member toward the piston; one threaded shaft portion is reversibly screwed into the nut member, and the other clutch surface is connected to a clutch surface formed on a portion facing the piston. The spring member includes an adjusting bolt that engages, and different diameter pressure receiving elements of a large diameter and a small diameter that are subjected to fluid pressure, and when the fluid pressure reaches a predetermined pressure, the difference in axial force acting on the different diameter pressure receiving parts is applied to the spring member. An automatic adjustment device for a brake cylinder, which is configured to prevent rotation of the adjustment bolt by the frictional force of the clutch surface when the spring force is overcome. (2) The automatic adjustment device for a brake cylinder according to claim 1, wherein the pressure receiving elements having different diameters having a large diameter and a small diameter are integrally formed on an adjusting bolt. (3) Place the stepped member having different diameter pressure receiving elements of large diameter and small diameter on the screw shaft side with respect to the clutch surface of the adjusting bolt, with the large diameter pressure receiving part on the screw shaft side. 2. The automatic adjustment device for a brake cylinder according to claim 1, wherein the pressure receiving portion having a small diameter is disposed toward the clutch surface. (4) The automatic brake cylinder according to claim 2, wherein a large-diameter pressure-receiving portion is formed on the screw shaft side with respect to the clutch surface of the adjuster bolt, and a small-diameter pressure-receiving portion is formed on the opposite side across the clutch surface. Adjustment device. (5) Claim 2, which is a portion of the adjusting bolt on the screw shaft side with respect to the clutch surface, and is formed with a large diameter pressure receiving portion on the screw shaft side and a small diameter pressure receiving portion on the clutch surface side. Automatic adjustment device for the brake cylinder described. (6) A claim in which a large diameter pressure receiving portion is formed on the clutch surface side and a small diameter pressure receiving portion is formed on the opposite side, at a portion on the opposite side to the screw shaft side with respect to the clutch surface of the adjusting bolt. 2. The automatic adjustment device for a brake cylinder as described in 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988074142U JPH077633Y2 (en) | 1988-06-03 | 1988-06-03 | Brake cylinder automatic adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988074142U JPH077633Y2 (en) | 1988-06-03 | 1988-06-03 | Brake cylinder automatic adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01178242U true JPH01178242U (en) | 1989-12-20 |
| JPH077633Y2 JPH077633Y2 (en) | 1995-02-22 |
Family
ID=31299261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988074142U Expired - Lifetime JPH077633Y2 (en) | 1988-06-03 | 1988-06-03 | Brake cylinder automatic adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077633Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139860U (en) * | 1984-08-17 | 1986-03-13 | 株式会社ユアサコーポレーション | storage battery |
-
1988
- 1988-06-03 JP JP1988074142U patent/JPH077633Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139860U (en) * | 1984-08-17 | 1986-03-13 | 株式会社ユアサコーポレーション | storage battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH077633Y2 (en) | 1995-02-22 |
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