JPH0165476U - - Google Patents
Info
- Publication number
- JPH0165476U JPH0165476U JP1987158134U JP15813487U JPH0165476U JP H0165476 U JPH0165476 U JP H0165476U JP 1987158134 U JP1987158134 U JP 1987158134U JP 15813487 U JP15813487 U JP 15813487U JP H0165476 U JPH0165476 U JP H0165476U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- drive shaft
- hole
- spheres
- locking grooves
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Preventing Unauthorised Actuation Of Valves (AREA)
Description
第１図は本考案を採用したロータリー弁の縦断
面略図、第２図は本考案のデイテント係止板の正
面図、第２ａ図は係止溝の別の形状を示す横断面
図、第２ｂ図は係止溝のさらに別の形状を示す横
断面図、第３図は本考案の駆動軸及びデイテント
係止板の縦断面部分拡大図、第４図は本考案の球
体の別の形状を示す斜視図、第５図は本考案の係
止溝の横断面拡大図、第６図、第７図は本考案の
球体の動作を示す係止溝の横断面図、第８図は従
来のデイテント係止部を示す縦断面略図である。
１……バルブボデイ、２……駆動軸、３……デ
イテント係止板、４……軸孔、６……カバー、７
，８，９……係止溝、１０……貫通孔、１１，１
３……球体、１２……コイルばね。
Fig. 1 is a schematic vertical cross-sectional view of a rotary valve adopting the present invention, Fig. 2 is a front view of the detent locking plate of the present invention, Fig. 2a is a cross-sectional view showing another shape of the locking groove, and Fig. 2b The figure is a cross-sectional view showing yet another shape of the locking groove, FIG. 3 is a partially enlarged vertical cross-sectional view of the drive shaft and detent locking plate of the present invention, and FIG. 4 is a cross-sectional view showing another shape of the sphere of the present invention. 5 is an enlarged cross-sectional view of the locking groove of the present invention, FIGS. 6 and 7 are cross-sectional views of the locking groove showing the operation of the sphere of the present invention, and FIG. 8 is a cross-sectional view of the locking groove of the present invention. FIG. 3 is a schematic vertical cross-sectional view showing a detent locking portion. 1...Valve body, 2...Drive shaft, 3...Daytent locking plate, 4...Shaft hole, 6...Cover, 7
, 8, 9...Latching groove, 10...Through hole, 11, 1
3...Sphere, 12...Coil spring.
Claims (1)
ト係止板をバルブボデイとカバーとの間に設け、
上記軸孔の所定の内周縁に上記駆動軸の直径の延
長線上で互いに向い合つて軸方向へ延びる少なく
とも１対の係止溝を設け、上記駆動軸の軸孔嵌合
部分にその直径方向に延びて上記軸孔の内周面に
向かい開口する貫通孔を設け、上記貫通孔の両開
口部分に摺動自在に嵌合する１対の球体を設け、
上記１対の球体の間にコイルねを縮設し、上記１
対の球体が上記いずれか１対の係止溝に係止する
ことにより駆動軸のデイテント位置を保持するよ
うにしたことを特徴とするロータリー弁のデイテ
ント。 A daytent locking plate with a shaft hole through which the drive shaft passes concentrically is provided between the valve body and the cover,
At least one pair of locking grooves facing each other and extending in the axial direction on an extension line of the diameter of the drive shaft are provided at a predetermined inner peripheral edge of the shaft hole, and the locking grooves are provided in the shaft hole fitting portion of the drive shaft in the diametrical direction. providing a through hole that extends and opens toward the inner circumferential surface of the shaft hole, and providing a pair of spheres that slidably fit into both openings of the through hole;
A coil is contracted between the above pair of spheres, and the above 1
A daytent for a rotary valve, characterized in that the pair of spheres is locked in any one of the pair of locking grooves to maintain the detent position of the drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158134U JPH0165476U (en) | 1987-10-15 | 1987-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158134U JPH0165476U (en) | 1987-10-15 | 1987-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165476U true JPH0165476U (en) | 1989-04-26 |
Family
ID=31438188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158134U Pending JPH0165476U (en) | 1987-10-15 | 1987-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165476U (en) |
-
1987
- 1987-10-15 JP JP1987158134U patent/JPH0165476U/ja active Pending