JPS58146136U - Brake wheel cylinder with automatic and manual clearance adjustment mechanism - Google Patents
Brake wheel cylinder with automatic and manual clearance adjustment mechanismInfo
- Publication number
- JPS58146136U JPS58146136U JP4303282U JP4303282U JPS58146136U JP S58146136 U JPS58146136 U JP S58146136U JP 4303282 U JP4303282 U JP 4303282U JP 4303282 U JP4303282 U JP 4303282U JP S58146136 U JPS58146136 U JP S58146136U
- Authority
- JP
- Japan
- Prior art keywords
- adjustment
- flange
- hole
- cylinder body
- cylinder
- 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
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はドラムブレーキの概要を示す略側面図、第２図
はこの考案の基となる自動間隙調整機構付きホイルシリ
ンダを示す半部縦断面図、第３図はヘリカルギヤｌｌａ
と調整ピン１８との保合を示す略図、第４〜７図はこの
考案の実施例を示し、第４図はホイルシリンダの半部縦
断面図、第５図はフランジ２２、覆体２３、ばね板２６
の関係を示す第４図左方から見た図、第６図は板ばね２
６の側面図、第７図は覆体２３の第５図下方から見た一
部切断底面図、第８図は他の手動間隙調整機構を示す半
部縦断面図である。
１：基板、２：軸、３：シュー、３ａニライニング、３
ｂ：ウェブ、４：ホイルシリンダ、５：ピストン、５ａ
：長孔、６：ドラム、７：引張りばね、８ニジリンダ体
、９ニジリンダ室、１０：調整ナツト、１０ａ：フラン
ジ、１０ｂ：溝、１１：調整スリーブ、１１ａ：ヘリカ
ルギヤ、１１ｂ＝小突起、１２：圧縮ばね、１３：調整
ねじ、１３ａ：縦溝、１４：止めリング、１５：横孔、
１６：ガイドプッシュ、１７：ねじ蓋、１８．１・８ａ
：調整ピン、１９：圧縮ばね、２０：ピストンカップ、
２１：ダスト力バー、２２：フランジ、２２ａ：小凹部
、２３：覆板、２４：孔、２５：小凸部、２６：ばね板
、２７：孔、２８，２８ａ：片持ち板ばね、２９：歯車
、３０：ねじ。Fig. 1 is a schematic side view showing the outline of a drum brake, Fig. 2 is a half longitudinal sectional view showing a foil cylinder with an automatic gap adjustment mechanism, which is the basis of this invention, and Fig. 3 is a helical gear lla.
4 to 7 show an embodiment of this invention, FIG. 4 is a half longitudinal sectional view of the foil cylinder, and FIG. 5 shows the flange 22, cover 23, Spring plate 26
Figure 4 shows the relationship between
6 is a side view, FIG. 7 is a partially cutaway bottom view of the cover 23 seen from below in FIG. 5, and FIG. 8 is a half longitudinal sectional view showing another manual gap adjustment mechanism. 1: Board, 2: Shaft, 3: Shoe, 3a Ni lining, 3
b: web, 4: foil cylinder, 5: piston, 5a
: Long hole, 6: Drum, 7: Tension spring, 8 Niji cylinder body, 9 Niji cylinder chamber, 10: Adjustment nut, 10a: Flange, 10b: Groove, 11: Adjustment sleeve, 11a: Helical gear, 11b = Small protrusion, 12: Compression spring, 13: Adjustment screw, 13a: Vertical groove, 14: Retaining ring, 15: Horizontal hole,
16: Guide push, 17: Screw cap, 18.1/8a
: Adjustment pin, 19: Compression spring, 20: Piston cup,
21: Dust force bar, 22: Flange, 22a: Small recess, 23: Cover plate, 24: Hole, 25: Small protrusion, 26: Spring plate, 27: Hole, 28, 28a: Cantilever leaf spring, 29: Gear, 30: screw.
Claims (1)
成されたシリンダ室９内に、断面がシリンダ室の開口側
にゆるく傾斜する外屋根状のヘリカルギヤｌｌａを外面
に形成した調整スリーブ１１とこれの内面に結合された
調整ナツト１０とを挿入し、調整スリーブ１１のヘリカ
ルギヤ１１ａに合致するヘリカル歯を内端面に形成した
調整ピン１８を、シリンダ体８の側面に形成した横孔１
５からピン５に設けた長孔５ａを通し圧縮ばね１９で押
して調整スリーブ１１のヘリカルギヤｌｌａに弾接させ
、調整ナツト１０には調整ねじ１３を螺合させ、調整ね
じ１３のシリンダ体８から突出した端部には、周縁部に
小凹部２２ａを歯車状に連設し、またブレーキシューの
つ±ブ３ｂを受ける円形凹部２２ｂを形成したフランジ
２２を同体に形成し、上記フランジ２２に重なる覆板２
３に、ウェブ３ｂの厚さに対応する幅の孔２４を穿設し
、フランジの小凹部２２ａに係合する小凸部２５を形成
し、またシリンダ体の方向に折曲げた側面に孔２７を穿
設し、フランジ２２の基部に係止したばね板２６の先端
を上記の孔２７に挿通して覆板２３をフランジ２２の外
側面に弾接させて成る自動および手動間隙調整機構付き
ブレーキホイルシリンダ。An adjustment sleeve 11 having an outer roof-like helical gear lla whose cross section gently slopes toward the opening of the cylinder chamber is formed on the outer surface of the cylinder chamber 9 which is formed by opening at the end of the piston 5 that is loosely fitted into the cylinder body 8. A horizontal hole 1 is formed in the side surface of the cylinder body 8, into which an adjustment nut 10 coupled to the inner surface of the adjustment pin 18 is inserted, and an adjustment pin 18 is formed on the inner end surface with helical teeth that match the helical gear 11a of the adjustment sleeve 11.
5 through the elongated hole 5a provided in the pin 5 and pressed by the compression spring 19 to make elastic contact with the helical gear lla of the adjustment sleeve 11, the adjustment screw 13 is screwed into the adjustment nut 10, and the adjustment screw 13 protrudes from the cylinder body 8. At the end thereof, a flange 22 is formed integrally with a flange 22 having small recesses 22a connected to the peripheral edge in a gear-like manner and a circular recess 22b for receiving the brake shoe knob 3b. Board 2
3, a hole 24 with a width corresponding to the thickness of the web 3b is formed, a small protrusion 25 is formed to engage with the small recess 22a of the flange, and a hole 27 is formed on the side surface bent in the direction of the cylinder body. A brake with an automatic and manual gap adjustment mechanism is constructed by inserting the tip of a spring plate 26 fixed to the base of the flange 22 into the hole 27 and bringing the cover plate 23 into elastic contact with the outer surface of the flange 22. foil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4303282U JPS58146136U (en) | 1982-03-29 | 1982-03-29 | Brake wheel cylinder with automatic and manual clearance adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4303282U JPS58146136U (en) | 1982-03-29 | 1982-03-29 | Brake wheel cylinder with automatic and manual clearance adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58146136U true JPS58146136U (en) | 1983-10-01 |
Family
ID=30054129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4303282U Pending JPS58146136U (en) | 1982-03-29 | 1982-03-29 | Brake wheel cylinder with automatic and manual clearance adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58146136U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4973576A (en) * | 1972-10-19 | 1974-07-16 | Rockwell International Corp |
-
1982
- 1982-03-29 JP JP4303282U patent/JPS58146136U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4973576A (en) * | 1972-10-19 | 1974-07-16 | Rockwell International Corp |
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