JPS63152005U - - Google Patents
Info
- Publication number
- JPS63152005U JPS63152005U JP4552787U JP4552787U JPS63152005U JP S63152005 U JPS63152005 U JP S63152005U JP 4552787 U JP4552787 U JP 4552787U JP 4552787 U JP4552787 U JP 4552787U JP S63152005 U JPS63152005 U JP S63152005U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- piston
- chamber
- hollow
- cylinder tube
- 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
- 239000012530 fluid Substances 0.000 claims description 3
Landscapes
- Actuator (AREA)
Description
図面はこの考案の１実施例を示すもので、第１
図は縦断面図、第２図は第１図の―線に沿う
要部拡大断面図、第３図は第１図の―線に沿
う要部拡大断面図、第４図は従来例を示す縦断面
図、第５図は第４図の―線に沿う拡大断面図
、第６図は第４図の―線に沿う拡大断面図で
ある。
１……シリンダチユーブ、２……ヘツドカバー
、３・４……流体接続口、７……ヘツド室、８…
…ロツド室、１１……ピストン、１２……ロツド
、１３……螺子軸、１６……当接部、１７ａ……
操作軸、１９……中空室、３０……連通孔、３２
……空室。
The drawing shows one embodiment of this invention.
The figure is a longitudinal sectional view, Figure 2 is an enlarged sectional view of the main part taken along the line - in Fig. 1, Figure 3 is an enlarged sectional view of the main part taken along the - line in Fig. 1, and Fig. 4 shows a conventional example. FIG. 5 is an enlarged sectional view taken along line - in FIG. 4, and FIG. 6 is an enlarged sectional view taken along line - in FIG. 4. 1... Cylinder tube, 2... Head cover, 3, 4... Fluid connection port, 7... Head chamber, 8...
... Rod chamber, 11 ... Piston, 12 ... Rod, 13 ... Screw shaft, 16 ... Contact portion, 17a ...
Operation shaft, 19...Hollow chamber, 30...Communication hole, 32
……Vacancy.
Claims (1)
及びロツド１２が嵌挿せられ、該ピストン１１及
びロツド１２内には上記シリンダチユーブ１のヘ
ツドカバー２内面に当接する当接部１６を備えた
中空螺子軸１３が同心状に挿入螺着せられると共
に、該螺子軸１３にはピストン１１のストローク
を可変調整する操作軸１７ａがヘツドカバー２を
介して摺動自在に嵌挿係止せられ、かつ、シリン
ダチユーブ１のヘツド室７及びロツド室８は各々
流体接続口３・５に連通せしめられてなるストロ
ーク可変式シリンダにおいて、上記螺子軸１３の
当接部１６と操作軸１７ａの基端との間には流体
接続口３と連通する空室３２が形成せられ、該空
室３２は操作軸１７ａに形成された連通孔３０を
介してロツド１２の中空室１９に連通自在とせし
められてなることを特徴とするストロール可変式
シリンダ。 A hollow piston 11 inside the cylinder tube 1
and a rod 12 are fitted into the piston 11 and rod 12, and a hollow screw shaft 13 having a contact portion 16 that contacts the inner surface of the head cover 2 of the cylinder tube 1 is concentrically inserted and screwed into the piston 11 and rod 12. An operating shaft 17a for variably adjusting the stroke of the piston 11 is slidably fitted into the screw shaft 13 via the head cover 2, and the head chamber 7 and rod chamber 8 of the cylinder tube 1 each have a fluid connection port. 3 and 5, a cavity 32 communicating with the fluid connection port 3 is formed between the contact portion 16 of the screw shaft 13 and the base end of the operating shaft 17a. A variable stroke cylinder characterized in that the hollow chamber 32 is freely communicated with the hollow chamber 19 of the rod 12 via a communication hole 30 formed in the operating shaft 17a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4552787U JPS63152005U (en) | 1987-03-26 | 1987-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4552787U JPS63152005U (en) | 1987-03-26 | 1987-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63152005U true JPS63152005U (en) | 1988-10-05 |
Family
ID=30864341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4552787U Pending JPS63152005U (en) | 1987-03-26 | 1987-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63152005U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5582807A (en) * | 1978-12-15 | 1980-06-21 | Taiyo Tekko Kk | Hydraulic cylinder with stroke adjustment |
-
1987
- 1987-03-26 JP JP4552787U patent/JPS63152005U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5582807A (en) * | 1978-12-15 | 1980-06-21 | Taiyo Tekko Kk | Hydraulic cylinder with stroke adjustment |