【図面の簡単な説明】[Brief explanation of drawings]
第１図乃至第８図は本考案の第１実施例に係り
、第１図は内視鏡先端部の構成を示す説明図、第
２図は第１図のＡ―Ａ′方向断面図、第３図は接
着剤流れ防止部材の説明図、第４図は第１図のＢ
―Ｂ′方向断面図であつて、レンズ枠と継手管と
の接続を作業を示す説明図、第５図は他の接続作
業を示す説明図、第６図はピンのテーパ部を示す
説明図、第７図は他のピンのテーパ部を示す説明
図、第８図は内視鏡装置の全体の説明図、第９図
及び第１０図は本考案の第２実施例に係り、第９
図は内視鏡先端部の構成の説明図、第１０図は第
９図のＣ―Ｃ′方向断面図、第１１図は第２実施
例の変形例に係り、内視鏡先端部の構成の説明図
、第１２及び第１３図は本考案の第３実施例に係
り、第１２図は内視鏡先端部の断面図、第１３図
は第１２図のＤ―Ｄ′方向矢視図、第１４図ない
し第１６図は本考案の第４実施例に係り、第１４
図は継手管に設けられた孔の平面図、第１５図は
治具による加工の状態を示す状態図、第１６図は
第１４図のＥ―Ｅ′方向断面図、第１７図及び第
１８図は本考案の第５実施例に係り、第１７図は
継手管の設けられた孔の平面図、第１８図は第１
７図のＦ―Ｆ′方向断面図、第１９図及び第２０
図は本考案の第６実施例に係り、第１９図ａは変
形前の継手管の状態を示す説明図、第１９図ｂは
第１９図ａのＧ―Ｇ′方向矢視図、第２０図ａは
変形した後の継手管の状態を示す説明図、第２０
図ｂは第２０図ａのＨ―Ｈ方向矢視図、第２１図
は本考案の第７実施例に係り、第２１図ａは変形
前の継手管の状態を示す説明図、第２１図ｂは変
形加工の状態を示す説明図、第２２図ないし第２
４図は本考案の第８実施例に係り、第２２図は内
視鏡先端部の構成の説明図、第２３図はカバー部
材の説明図、第２４図は内視鏡先端部の斜視図で
ある。
６……挿入部、１８……レンズ枠、１９……結
像レンズ系、２３……先端カバー、３３……継手
管、３４……孔、３６……突起部、３７……孔、
３８……突起部、３９……係止穴。
1 to 8 relate to the first embodiment of the present invention, in which FIG. 1 is an explanatory diagram showing the configuration of the distal end of the endoscope, FIG. 2 is a sectional view taken along the line A-A' in FIG. Figure 3 is an explanatory diagram of the adhesive flow prevention member, and Figure 4 is B in Figure 1.
- A cross-sectional view in the direction B', which is an explanatory diagram showing the connection work between the lens frame and the joint tube, Fig. 5 is an explanatory diagram showing other connection work, and Fig. 6 is an explanatory diagram showing the tapered part of the pin. , FIG. 7 is an explanatory diagram showing the tapered portion of another pin, FIG. 8 is an explanatory diagram of the entire endoscope device, and FIGS. 9 and 10 relate to the second embodiment of the present invention.
The figure is an explanatory diagram of the configuration of the endoscope tip, FIG. 10 is a sectional view taken along the line CC' in FIG. 9, and FIG. 11 is a modification of the second embodiment, and shows the configuration of the endoscope tip. 12 and 13 are related to the third embodiment of the present invention, FIG. 12 is a sectional view of the distal end of the endoscope, and FIG. 13 is a view taken along the line D-D' in FIG. , FIGS. 14 to 16 relate to the fourth embodiment of the present invention, and FIG.
The figure is a plan view of the hole provided in the joint pipe, Figure 15 is a state diagram showing the state of machining with a jig, Figure 16 is a sectional view along the line E-E' of Figure 14, Figures 17 and 18. The figures relate to the fifth embodiment of the present invention, FIG. 17 is a plan view of the hole in which the joint pipe is provided, and FIG. 18 is the first embodiment.
F-F' direction cross-sectional view in Figure 7, Figures 19 and 20
The figures relate to the sixth embodiment of the present invention, in which Fig. 19a is an explanatory view showing the state of the joint pipe before deformation, Fig. 19b is a view taken along the line G-G' in Fig. Figure a is an explanatory diagram showing the state of the joint pipe after deformation, Figure 20
Fig. 21 is an explanatory view showing the state of the joint pipe before deformation; b is an explanatory diagram showing the state of deformation processing, Figures 22 to 2
FIG. 4 relates to the eighth embodiment of the present invention, FIG. 22 is an explanatory diagram of the configuration of the endoscope tip, FIG. 23 is an explanatory diagram of the cover member, and FIG. 24 is a perspective view of the endoscope tip. It is. 6... Insertion part, 18... Lens frame, 19... Imaging lens system, 23... Tip cover, 33... Joint tube, 34... Hole, 36... Projection, 37... Hole,
38... Protrusion, 39... Locking hole.