JPS61109946U - - Google Patents
Info
- Publication number
- JPS61109946U JPS61109946U JP19442184U JP19442184U JPS61109946U JP S61109946 U JPS61109946 U JP S61109946U JP 19442184 U JP19442184 U JP 19442184U JP 19442184 U JP19442184 U JP 19442184U JP S61109946 U JPS61109946 U JP S61109946U
- Authority
- JP
- Japan
- Prior art keywords
- inching
- spring
- interposed
- valve body
- spool
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案一実施例の縦断面図、第２図は
油圧回路図、第３図は前、後進用クラツチの一部
省略した縦断面図、第４図はスプールストローク
と油圧との関係説明図、第５図、第６図はペタル
ストロークと油圧との関係説明図である。
１５はインチング弁体、１６はインチングスプ
ール、２４，２５はばね、２６はばね受体。
Fig. 1 is a longitudinal sectional view of an embodiment of the present invention, Fig. 2 is a hydraulic circuit diagram, Fig. 3 is a partially omitted longitudinal sectional view of the forward and reverse clutches, and Fig. 4 is the relationship between spool stroke and hydraulic pressure. 5 and 6 are explanatory diagrams of the relationship between the petal stroke and the oil pressure. 15 is an inching valve body, 16 is an inching spool, 24 and 25 are springs, and 26 is a spring receiver.
Claims (1)
圧を受けて作動するロードピストン２０により移
動するインチング弁体１５を設け、バルブ本体４
０内にペタルストロークにより移動するインチン
グスプール１６を設け、インチング弁体１５とイ
ンチングスプール１６との間にストツパ２７を介
在すると共にインチング弁体１５とインチングス
プール１６との間にばね受体２６を介在させ、イ
ンチング弁体１５とばね受体２６との間にばね２
４を介装すると共にインチングスプール１６とば
ね受体２６との間にばね２５を介装し、ばね２４
のばね力をばね２５のばね力より大きくし、クラ
ツチポート１８をバランス油圧通路１９を介して
インチングスプール１６の受圧室２３に連通した
ことを特徴とするインチングバルブ装置。 An inching valve body 15 is provided within the valve body 40 and is moved by a load piston 20 that is operated in response to hydraulic pressure from the clutch port 18.
An inching spool 16 that moves by a petal stroke is provided in the 0, a stopper 27 is interposed between the inching valve body 15 and the inching spool 16, and a spring receiver 26 is interposed between the inching valve body 15 and the inching spool 16. The spring 2 is inserted between the inching valve body 15 and the spring receiver 26.
4 is interposed, and a spring 25 is interposed between the inching spool 16 and the spring receiver 26, and the spring 24 is interposed between the inching spool 16 and the spring receiver 26.
The inching valve device is characterized in that the spring force of the spring 25 is greater than that of the spring 25, and the clutch port 18 is communicated with the pressure receiving chamber 23 of the inching spool 16 via a balance hydraulic passage 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19442184U JPH0126925Y2 (en) | 1984-12-24 | 1984-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19442184U JPH0126925Y2 (en) | 1984-12-24 | 1984-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61109946U true JPS61109946U (en) | 1986-07-11 |
| JPH0126925Y2 JPH0126925Y2 (en) | 1989-08-11 |
Family
ID=30751874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19442184U Expired JPH0126925Y2 (en) | 1984-12-24 | 1984-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0126925Y2 (en) |
-
1984
- 1984-12-24 JP JP19442184U patent/JPH0126925Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0126925Y2 (en) | 1989-08-11 |
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