JPH0464670U - - Google Patents
Info
- Publication number
- JPH0464670U JPH0464670U JP1990108566U JP10856690U JPH0464670U JP H0464670 U JPH0464670 U JP H0464670U JP 1990108566 U JP1990108566 U JP 1990108566U JP 10856690 U JP10856690 U JP 10856690U JP H0464670 U JPH0464670 U JP H0464670U
- Authority
- JP
- Japan
- Prior art keywords
- mounting groove
- groove
- spool
- packing
- valve hole
- 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
- 238000012856 packing Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 2
- 230000014759 maintenance of location Effects 0.000 description 1
Landscapes
- Multiple-Way Valves (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
第1図は本考案のスプール弁の一実施例を示す
断面図、第2図はその部分拡大図、第3図はパツ
キングの正面図、第4図は第3図におけるA−A
線での拡大断面図、第5図乃至第7図はパツキン
グの異なる例を示す要部断面図、第8図は従来例
の要部拡大断面図である。
1……バルブボデイ、2……スプール、3……
弁穴、4,5a,5b,6a,6b……ポート、
10……取付溝、11,21,24,26……パ
ツキング、11a,21a,24a,27a……
主体部、11b,21b,24b,27b……抜
止部、11c,21c,24c,27c……固定
部、11d,11e……くびれ部、12,23,
26,27,28……シールリツプ、16……溝
底空間。
Fig. 1 is a sectional view showing one embodiment of the spool valve of the present invention, Fig. 2 is a partially enlarged view thereof, Fig. 3 is a front view of the packing, and Fig. 4 is A-A in Fig. 3.
FIGS. 5 to 7 are enlarged cross-sectional views of main parts showing different examples of packing, and FIG. 8 is an enlarged cross-sectional view of main parts of a conventional example. 1... Valve body, 2... Spool, 3...
Valve hole, 4, 5a, 5b, 6a, 6b... port,
10... Mounting groove, 11, 21, 24, 26... Packing, 11a, 21a, 24a, 27a...
Main body part, 11b, 21b, 24b, 27b... Retention part, 11c, 21c, 24c, 27c... Fixing part, 11d, 11e... Narrow part, 12, 23,
26, 27, 28... Seal lip, 16... Groove bottom space.
Claims (1)
に、外周の取付溝に弁穴内周壁に摺接する環状の
パツキングを嵌着してなるスプールを摺動自在に
内装し、該スプールの摺動によりポート間の流体
の流れを切り換えるようにしたものにおいて、 上記パツキングを、環外周側に位置して外周面
が弁穴の内周壁に摺接する主体部と、取付溝の溝
側壁に当接することにより溝底空間への流体の流
入を防止するシールリツプを備えた抜止部と、取
付溝への密嵌によりパツキング内周部を該取付溝
内に安定的に位置させる固定部とにより構成し、
これらの各部をくびれ部を介して一体に連設した
ことを特徴とするスプール弁。[Scope of Claim for Utility Model Registration] A spool is slidably installed in a valve hole of a valve body in which a plurality of ports are opened, and is made up of an annular packing that is fitted into a mounting groove on the outer periphery and is in sliding contact with the inner circumferential wall of the valve hole. In a device in which the fluid flow between ports is switched by sliding of a spool, the above-mentioned packing is connected to the main body part located on the outer peripheral side of the ring and whose outer peripheral surface slides against the inner peripheral wall of the valve hole, and the groove side wall of the mounting groove. A retaining part has a seal lip that prevents fluid from flowing into the groove bottom space by coming into contact with the groove, and a fixing part that stably positions the inner circumferential part of the packing in the mounting groove by tightly fitting into the mounting groove. configure,
A spool valve characterized in that these parts are integrally connected through a constricted part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990108566U JPH0537099Y2 (en) | 1990-10-17 | 1990-10-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990108566U JPH0537099Y2 (en) | 1990-10-17 | 1990-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0464670U true JPH0464670U (en) | 1992-06-03 |
JPH0537099Y2 JPH0537099Y2 (en) | 1993-09-20 |
Family
ID=31855617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990108566U Expired - Lifetime JPH0537099Y2 (en) | 1990-10-17 | 1990-10-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0537099Y2 (en) |
-
1990
- 1990-10-17 JP JP1990108566U patent/JPH0537099Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0537099Y2 (en) | 1993-09-20 |
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