JPH0430536U

JPH0430536U -

Info

Publication number: JPH0430536U
Application number: JP7229490U
Authority: JP
Priority date: 1990-07-09
Filing date: 1990-07-09
Publication date: 1992-03-11
Anticipated expiration: 2005-07-09
Also published as: JP2509103Y2

Description

[Brief explanation of drawings]

第１図は本考案の圧力容器用扉開閉機構の安全
装置の制御部を示すブロツク図、第２図は作用を
示すフローチヤート、第３図は圧力容器内の圧力
変化を示す線図、第４図はこの安全装置が付設さ
れる圧力容器を組み込んだ蒸気滅菌器の斜視図、
第５図は第４図のＡ−Ａ断面図、第６図は従来の
安全装置の第１例を組み込んだ扉部分の斜視図、
第７図はベローズ部分の斜視図、第８図は従来の
安全装置の第２例を、第９図は同第３例をそれぞ
れ示す要部正面図である。１……圧力容器、２……扉、３……ハンドル、
４……軸、５……ハブ、６……放射棒、７……ガ
イド、８……係止溝、９……ラチエツト歯、１０
……ラチエツト爪、１１……ベローズ、１２……
ロツド、１３……ソレノイド、１４……出力ロツ
ド、１５……ケーブル、１６……圧力センサ、１
７……タイマー、１８……制御器。 Fig. 1 is a block diagram showing the control section of the safety device of the pressure vessel door opening/closing mechanism of the present invention, Fig. 2 is a flowchart showing the operation, Fig. 3 is a diagram showing pressure changes in the pressure vessel, Figure 4 is a perspective view of a steam sterilizer incorporating a pressure vessel equipped with this safety device.
FIG. 5 is a sectional view taken along the line A-A in FIG. 4, and FIG. 6 is a perspective view of the door portion incorporating the first example of the conventional safety device.
FIG. 7 is a perspective view of the bellows portion, FIG. 8 is a second example of the conventional safety device, and FIG. 9 is a front view of the main parts of the third example. 1...Pressure vessel, 2...Door, 3...Handle,
4... Shaft, 5... Hub, 6... Radiation rod, 7... Guide, 8... Locking groove, 9... Ratchet tooth, 10
... Ratchet claw, 11 ... Bellows, 12 ...
Rod, 13... Solenoid, 14... Output rod, 15... Cable, 16... Pressure sensor, 1
7...Timer, 18...Controller.

Claims

[Scope of utility model registration request]

In order to open and close the door installed at the opening of the pressure vessel, there is a handle that rotates around an axis provided on the front of the door, a ratchet tooth fixed to this handle, and a base end that pivots on the front of the door. a ratchet pawl whose tip is freely engageable and detachable from the ratchet teeth and prevents rotation of the handle in the opening direction when engaged with the ratchet teeth; a solenoid for engaging and disengaging the ratchet pawl from the ratchet teeth; A pressure sensor that detects the pressure inside the container, and a timer that starts when the pressure inside the pressure container detected by the pressure sensor falls below a specified value as the pressure gas inside the pressure container is discharged. , when the set time of this timer expires, the above solenoid will
A safety device for a pressure vessel door opening/closing mechanism, comprising a controller for disengaging the ratchet pawl from the ratchet tooth.