JPH045347U - - Google Patents
Info
- Publication number
- JPH045347U JPH045347U JP4576190U JP4576190U JPH045347U JP H045347 U JPH045347 U JP H045347U JP 4576190 U JP4576190 U JP 4576190U JP 4576190 U JP4576190 U JP 4576190U JP H045347 U JPH045347 U JP H045347U
- Authority
- JP
- Japan
- Prior art keywords
- ball nut
- ball
- feed rod
- air
- ball screw
- 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
- 238000001816 cooling Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Description
第１図は本考案第１実施例のボールナツト部の
断面図、第２図は本考案第２実施例の断面図、第
３図は本考案第１実施例に使用される冷却用カバ
ー体の斜視図、第４図は各実施態様における熱変
位抑制効果を示す特性線図である。
１……移動体、２……ボールナツト、２ｂ……
ボールナツトの端面、５……ボールネジ（送り杆
）、６……リターンチユーブ、６ｂ……ボールガ
イドカバー、６ａ……フラツト面、Ｓ，Ｓ１……
空間、Ｎ……ノズル、８，ａ……空気導入口、ｂ
……排出口、Ｅ……空気（エア）、１０……冷却
用カバー体、Ｘ……隙間、イ〜ハ……ボールネジ
の伸び量、２０，２０′……熱変位抑制装置。
Fig. 1 is a sectional view of the ball nut portion of the first embodiment of the invention, Fig. 2 is a sectional view of the second embodiment of the invention, and Fig. 3 is a sectional view of the cooling cover body used in the first embodiment of the invention. The perspective view and FIG. 4 are characteristic diagrams showing the thermal displacement suppressing effect in each embodiment. 1...Moving object, 2...Ball nut, 2b...
End face of ball nut, 5... Ball screw (feeding rod), 6... Return tube, 6b... Ball guide cover, 6a... Flat surface, S, S 1 ...
Space, N... Nozzle, 8, a... Air inlet, b
...Exhaust port, E...Air, 10...Cooling cover body,
Claims (1)
取付け、この冷却用カバー体には空気導入口と内
部にボールナツト両端面及びこのボールネジ部を
冷却する空間を形成し、前記ボールネジとの隙間
から冷却後の空気を排出する構成とした送り杆の
熱変位抑制装置。 (2) ボールナツトのリターンチユーブ外周に空
気供給部を設けるほか、ボールナツト両端部及び
この両端ボールネジ部を冷却する空気噴出部材を
ボールナツト両端部に備えた送り杆の熱変位抑制
装置。[Scope of Claim for Utility Model Registration] (1) A cooling cover body is attached to both end faces of the ball nut, and this cooling cover body has an air inlet and a space formed inside to cool both end faces of the ball nut and this ball screw part. . A feed rod thermal displacement suppressing device configured to discharge cooled air from a gap between the feed rod and the ball screw. (2) A thermal displacement suppressing device for a feed rod, which is equipped with an air supply section on the outer periphery of the return tube of the ball nut, as well as air jetting members at both ends of the ball nut to cool both ends of the ball nut and the ball screw portions at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4576190U JPH045347U (en) | 1990-04-28 | 1990-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4576190U JPH045347U (en) | 1990-04-28 | 1990-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045347U true JPH045347U (en) | 1992-01-17 |
Family
ID=31560225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4576190U Pending JPH045347U (en) | 1990-04-28 | 1990-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55114629U (en) * | 1979-02-07 | 1980-08-13 | ||
| JPS649632U (en) * | 1987-07-09 | 1989-01-19 |
-
1990
- 1990-04-28 JP JP4576190U patent/JPH045347U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55114629U (en) * | 1979-02-07 | 1980-08-13 | ||
| JPS649632U (en) * | 1987-07-09 | 1989-01-19 |