JPH01135225U

JPH01135225U -

Info

Publication number: JPH01135225U
Application number: JP3233788U
Authority: JP
Priority date: 1988-03-10
Filing date: 1988-03-10
Publication date: 1989-09-14

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例であるリニアボール
ベアリングを示す断面図、第２図は第１図のリニ
アボールベアリングが適用された本考案のシリン
ダ装置を示す断面図である。１……リニアボールベアリング、２……外筒、
２ａ……嵌装溝、３……ボールリテーナ、４……
軸受孔、４ａ……大径部、４ｂ……係止溝、５…
…無端軌道、５ａ……軌道溝、５ｂ……軌道孔、
６……ボール、７……止め輪、８……シール部材
、９……集塵室、１０……集塵ポート、１１……
シール部材、１２……シリンダ装置、１３……本
体、１４，１４ａ，１４ｂ……シリンダ室、１５
……ピストン、１６……ピストンロツド、１７…
…プレート、１８，１９……ボルト、２０……ダ
ンパ、２１……プラグ、２２ａ……スナツプリン
グ、２２ｂ……固定リング、２３……リング板、
２４……集塵用ポート、２５……集塵用連通孔、
２５ａ，２５ｂ……給排ポート、２６ａ，２６ｂ
……流通路。 FIG. 1 is a cross-sectional view showing a linear ball bearing as an embodiment of the present invention, and FIG. 2 is a cross-sectional view showing a cylinder device of the present invention to which the linear ball bearing of FIG. 1 is applied. 1...Linear ball bearing, 2...Outer cylinder,
2a... Fitting groove, 3... Ball retainer, 4...
Bearing hole, 4a...large diameter part, 4b...locking groove, 5...
...Endless track, 5a...Race groove, 5b...Race hole,
6... Ball, 7... Retaining ring, 8... Seal member, 9... Dust collection chamber, 10... Dust collection port, 11...
Seal member, 12... Cylinder device, 13... Main body, 14, 14a, 14b... Cylinder chamber, 15
...Piston, 16...Piston rod, 17...
... Plate, 18, 19 ... Bolt, 20 ... Damper, 21 ... Plug, 22a ... Snap ring, 22b ... Fixing ring, 23 ... Ring plate,
24...Dust collection port, 25...Dust collection communication hole,
25a, 25b... Supply/discharge port, 26a, 26b
... Distribution channel.

Claims

[Claims for Utility Model Registration] 1. Endless tracks extending along the axial direction of the bearing hole are arranged on the inner peripheral side of the bearing hole at predetermined intervals along the circumferential direction of the bearing hole. , a linear ball bearing in which a group of balls arranged on each endless raceway rolls along each endless raceway, and characterized in that the bearing is provided with a dust collection port communicating with the endless raceway. Linear ball bearing. 2. The linear ball bearing according to claim 1, wherein a seal member for collecting dust is provided along the circumferential direction of at least one end of the bearing hole. 3. The linear ball bearing according to claim 1 or 2 is provided, a piston rod is movably penetrated through the bearing hole along the axial direction of the bearing hole, and a dust collection port is provided in communication with the dust collection port. A cylinder device comprising: