JPS63126394U - - Google Patents
Info
- Publication number
- JPS63126394U JPS63126394U JP1664987U JP1664987U JPS63126394U JP S63126394 U JPS63126394 U JP S63126394U JP 1664987 U JP1664987 U JP 1664987U JP 1664987 U JP1664987 U JP 1664987U JP S63126394 U JPS63126394 U JP S63126394U
- Authority
- JP
- Japan
- Prior art keywords
- relief valve
- hydraulic cylinder
- interposed
- pump plunger
- jack
- 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 1
- 239000003305 oil spill Substances 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の１実施例を示す正面図、第２
図は第１図の―截断平面図、第３図は第１図
の要部を示す拡大断面図、第４図は油圧管路図で
ある。
１……油圧シリンダ、１ｅ……ロツド、２……
足踏ペダル、２ｃ……ポンププランジヤ、６……
油流出路、７……逃し弁、７ｃ……小径流路、８
……絞り弁。
Figure 1 is a front view showing one embodiment of the present invention, Figure 2 is a front view showing one embodiment of the present invention;
The figures are a cross-sectional plan view of FIG. 1, FIG. 3 is an enlarged sectional view showing the main parts of FIG. 1, and FIG. 4 is a hydraulic pipe diagram. 1... Hydraulic cylinder, 1e... Rod, 2...
Foot pedal, 2c...Pump plunger, 6...
Oil spill path, 7...Relief valve, 7c...Small diameter channel, 8
... Throttle valve.
Claims (1)
ランジヤと該ポンププランジヤの作動に伴う油圧
によりロツドが上昇する多段式油圧シリンダと該
油圧シリンダの油流出路に介在した逃し弁とを有
する足踏式ジヤツキにおいて、逃し弁の流路を小
径とすると共に該逃し弁の前後から分岐並列する
バイパス路に絞り弁を介在したことを特徴とする
ジヤツキにおける下降速度調整装置。 A foot-operated jack having a pump plunger operated by a foot pedal that moves up and down, a multi-stage hydraulic cylinder whose rod is raised by hydraulic pressure accompanying the operation of the pump plunger, and a relief valve interposed in an oil outflow path of the hydraulic cylinder. A descending speed adjusting device for a jack, characterized in that the flow path of the relief valve is made small in diameter, and a throttle valve is interposed in a bypass path that branches in parallel from before and after the relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987016649U JPH0641992Y2 (en) | 1987-02-09 | 1987-02-09 | Descent speed adjustment device for jacks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987016649U JPH0641992Y2 (en) | 1987-02-09 | 1987-02-09 | Descent speed adjustment device for jacks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63126394U true JPS63126394U (en) | 1988-08-18 |
| JPH0641992Y2 JPH0641992Y2 (en) | 1994-11-02 |
Family
ID=30808700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987016649U Expired - Lifetime JPH0641992Y2 (en) | 1987-02-09 | 1987-02-09 | Descent speed adjustment device for jacks |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0641992Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020029351A (en) * | 2002-03-09 | 2002-04-18 | 최영호 | Auto. operating equipment of hyudraulic jack |
| CN109795960A (en) * | 2019-02-15 | 2019-05-24 | 杭州富阳诺德液压技术有限公司 | A kind of high-order transport top |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018003970A (en) * | 2016-07-01 | 2018-01-11 | トヨタ自動車九州株式会社 | Assembly body support device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5931667U (en) * | 1982-08-19 | 1984-02-27 | 株式会社イナックス | sink sink |
-
1987
- 1987-02-09 JP JP1987016649U patent/JPH0641992Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5931667U (en) * | 1982-08-19 | 1984-02-27 | 株式会社イナックス | sink sink |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020029351A (en) * | 2002-03-09 | 2002-04-18 | 최영호 | Auto. operating equipment of hyudraulic jack |
| CN109795960A (en) * | 2019-02-15 | 2019-05-24 | 杭州富阳诺德液压技术有限公司 | A kind of high-order transport top |
| CN109795960B (en) * | 2019-02-15 | 2024-03-08 | 杭州富阳诺德液压技术有限公司 | High-order top of transporting |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0641992Y2 (en) | 1994-11-02 |
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