JPH01168097U - - Google Patents
Info
- Publication number
- JPH01168097U JPH01168097U JP6544488U JP6544488U JPH01168097U JP H01168097 U JPH01168097 U JP H01168097U JP 6544488 U JP6544488 U JP 6544488U JP 6544488 U JP6544488 U JP 6544488U JP H01168097 U JPH01168097 U JP H01168097U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- tightening
- cylindrical portion
- gap
- pipe joint
- 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
- 239000003507 refrigerant Substances 0.000 claims description 6
Landscapes
- Pipe Accessories (AREA)
- Joints With Pressure Members (AREA)
Description
第１図および第２図はこの考案の１つの実施例
を示し、第１図は要部拡大縦断面図、第２図は第
１図の―線に沿う断面図である。第３図は従
来例を示す要部拡大縦断面図である。
１……管継手、２……キヤピラリチユーブ、２
ａ……鍔部、３……袋ナツト、４……継手本体、
４ａ……中央部、４ｂ，４ｃ……おねじ部、４ｄ
……冷媒絞り部、４ｆ……突条、５……袋ナツト
、５ａ……内筒部、５ｂ……外筒部、７……蒸発
器入口管、７ａ……鍔部、８……空気層。
FIGS. 1 and 2 show one embodiment of this invention, with FIG. 1 being an enlarged longitudinal sectional view of the main part, and FIG. 2 being a sectional view taken along the line -- in FIG. FIG. 3 is an enlarged vertical cross-sectional view of a main part showing a conventional example. 1... Pipe fitting, 2... Capillary tube, 2
a... Flange, 3... Cap nut, 4... Joint body,
4a...Central part, 4b, 4c...Male thread part, 4d
... Refrigerant throttle part, 4f ... Protrusion, 5 ... Cap nut, 5a ... Inner cylinder part, 5b ... Outer cylinder part, 7 ... Evaporator inlet pipe, 7a ... Flange part, 8 ... Air layer.
Claims (1)
端におねじ部４ｂ，４ｃを有する冷媒膨脹用継手
本体４と、各おねじ部４ｂ，４ｃにねじ嵌められ
かつ管端に設けられた鍔部２ａ，７ａを締め止め
る袋ナツト３，５とからなる管継手において、少
なくとも冷媒膨脹側における袋ナツト５には、め
ねじ付き内筒部５ａと、これと間隔をおいた外筒
部５ｂとが設けられており、同じ側の継手本体４
には、同袋ナツト５締め付け時、両筒部５ａ，５
ｂの間隙端内に嵌まり込み、同間隙に遮音用空気
層８を形成する環状突条４ｆが設けられているこ
とを特徴とする冷媒絞り部付き管継手。 A refrigerant expansion joint main body 4 having a refrigerant throttle part 4d in the middle of the refrigerant passage and having threaded parts 4b and 4c at both ends, and a collar part screwed into each of the male threaded parts 4b and 4c and provided at the tube end. In a pipe joint consisting of cap nuts 3 and 5 for tightening cap nuts 2a and 7a, at least the cap nut 5 on the refrigerant expansion side has an internal cylindrical portion 5a with a female thread and an outer cylindrical portion 5b spaced apart from this. provided, and the joint body 4 on the same side
When tightening the bag nut 5, both cylindrical parts 5a, 5
A pipe joint with a refrigerant throttle portion, characterized in that an annular protrusion 4f is provided which fits into the end of the gap b and forms a sound insulating air layer 8 in the same gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6544488U JPH01168097U (en) | 1988-05-18 | 1988-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6544488U JPH01168097U (en) | 1988-05-18 | 1988-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01168097U true JPH01168097U (en) | 1989-11-27 |
Family
ID=31290877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6544488U Pending JPH01168097U (en) | 1988-05-18 | 1988-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01168097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010042926A (en) * | 2008-08-18 | 2010-02-25 | Kitagawa Jidosha Kk | Forklift |
-
1988
- 1988-05-18 JP JP6544488U patent/JPH01168097U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010042926A (en) * | 2008-08-18 | 2010-02-25 | Kitagawa Jidosha Kk | Forklift |