JPH0345400U

JPH0345400U -

Info

Publication number: JPH0345400U
Application number: JP10707989U
Authority: JP
Priority date: 1989-09-12
Filing date: 1989-09-12
Publication date: 1991-04-26

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の断面図、第２図は
第１図に示す接合テーパー部と内外接テーパー部
の温度変化時における位置関係を示す断面図、第
３図は本考案の他の実施例の断面図、第４図は第
３図に示す接合テーパー部と内外接テーパー部の
温度変化時における位置関係を示す断面図である
。図中、１，１０はパイプ、２，１２は雄ねじ部
、３，１３は内接テーパー部、４，１４は内側継
手部材、５，１５は雌ねじ部、６，１６は外接テ
ーパー部、７，１７は外側継手部材、８，１１は
接合テーパー部を示す。 Fig. 1 is a cross-sectional view of an embodiment of the present invention, Fig. 2 is a cross-sectional view showing the positional relationship between the joint taper portion and the internal and external taper portions shown in Fig. 1 when the temperature changes, and Fig. 3 is a cross-sectional view of an embodiment of the present invention. FIG. 4 is a sectional view of another embodiment, and is a sectional view showing the positional relationship between the joint taper portion and the internal and external taper portions shown in FIG. 3 when the temperature changes. In the figure, 1 and 10 are pipes, 2 and 12 are male threaded portions, 3 and 13 are internally tapered portions, 4 and 14 are inner joint members, 5 and 15 are female threaded portions, 6 and 16 are externally tapered portions, 7, Reference numeral 17 indicates an outer joint member, and reference numerals 8 and 11 indicate joint tapered portions.

Claims

[Scope of utility model registration request]

A joining taper part formed by changing the diameter in a tapered shape at the end of the pipe, and an inner part having a male thread part on one end side of the outer peripheral surface and capable of abutting against the inner peripheral surface of the joining tapered part on the other end side. an inner joint member having a contact taper portion; and an external taper portion having a female thread portion on one end side of the inner circumferential surface that can be screwed into the male thread portion and on the other end side capable of abutting on the outer circumferential surface of the joint taper portion. A thermal expansion adjustment member comprising an outer joint member having: