Safety lock device used for preventing error opening of pulsation vacuum-pressure steam sterilization equipment chamber door
A technology of pressure steam and sterilization equipment, which is applied in the control system, the warehouse door opening control device of pulsating vacuum pressure steam sterilization and sterilization equipment, can solve the problems of hidden danger, danger, pressure data distortion, etc., and achieves high safety, The effect of short structure and safe operation
Active Publication Date: 2013-07-03
LAOKEN MEDICAL TECH
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AI Technical Summary
Problems solved by technology
However, the electrical system always has defects that are prone to failure. For example, if the pressure electrical sensor fails, the pressure data collected and transmitted to the central control system will be distorted or inaccurate. The safe high pressure is misjudged as a safe pressure, thus turning on the power supply of the door opening motor, which brings safety hazards to the user to open the warehouse door by mistake; for another example, if the central control system fails, unsafe high pressure in the warehouse may also occur. It is misjudged as safety pressure, which brings danger to users by mistakenly opening the warehouse door
That is to say, the current pressure vessel safety device that only uses one electrical safety lock still has certain safety hazards in daily use.
Method used
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[0023] like Figure 1 to Figure 4 As shown, the first embodiment of the present invention is: a safety lock device for preventing the door of pulsating vacuum pressure steam sterilization equipment from being accidentally opened, which consists of a mechanical pressure collector 10, a connecting pipe 20, and a micro switch 30 , switch base 40 and contact piece 60, wherein the mechanical pressure collector 10 is composed of a cylinder body 11, a push rod 12, a return spring 13, a bellows 14, a bellows seat 15, a sealing rubber pad 16 and a cover plate 17, The ejector rod 12 adopts a T-shaped stepped shaft structure. The shaft at the big end of the ejector rod 12 extends into the cylinder body 11 and forms a transition fit with the inner cavity of the cylinder body 11. The matching gap is 0.05mm to 0.1mm, and the shaft at the small end of the push rod 12 passes through the guide hole at the center of the cover plate 17 and stretches out of the cylinder body 11.
[0024] The mic...
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The invention discloses a safety lock device used for preventing error opening of a pulsation vacuum-pressure steam sterilization equipment chamber door. The device comprises a mechanical pressure collector (10), a connection pipe (20), a micro-switch (30), and a door-opening motor (70). A sterilization chamber (80) of the pulsation vacuum equipment communicates with a cylinder (11) of the mechanical pressure collector through the connection pipe (20). The micro-switch (30) adopts a contact-type electrical switch and is electrically connected in a power supply circuit of the door-opening motor (70). Steam in the sterilization chamber (80) is delivered into the cylinder (11) through the connection pipe (20), and acts upon an ejection rod (12) arranged in the cylinder. When steam pressure in the sterilization chamber is higher than external atmospheric pressure, the steam pressure pushes the ejection rod to move forward and to contact a contact head of the micro-switch. The circuit of the micro-switch is disconnected, and the power supply circuit of the door-opening motor is cut off. Therefore, sterilization chamber door error opening is prevented, and safety of the pulsation vacuum-pressure steam sterilization equipment is improved.
Description
[0001] Background technique [0002] Invention content [0003] [0004] [0005] [0006] [0007] [0008] [0009] [0010] [0011] [0012] [0013] [0014] [0015] [0016] Attachment description [0017] [0018] figure 1 [0019] figure 2 [0020]image 3 It is a diagram of the connection between the invention and the sterilization equipment. [0021] Figure 4 The micro -switch of the invention is a diagram of the circuit connection of the door opening motor. [0022] Figure 1 to Figure 4 Among them, 10 is a mechanical pressure collector, 20 is the connection pipe, 30 is micro -switch, 40 switch seat, 60 is contact film, 70 is the door opening motor, 80 is the sterilization of pulse vacuum pressure steam sterilization equipment; 11The cylinder body of the mechanical pressure collector, 12 are top rods, 13 are reset spring, 14 are ripple tubes, 15 are fixed seats in the ripple tubes, 16 are sealing rubber pads, and 17 are lids;The pores and R of the side wall of the w...
Claims
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Login to View More IPC IPC(8): A61L2/26A61L2/07
Inventor 刘勇刘云强杨云华李坤林常相辉
Owner LAOKEN MEDICAL TECH