CN211301246U

CN211301246U - High-pressure steam sterilizer

Info

Publication number: CN211301246U
Application number: CN201922045818.6U
Authority: CN
Inventors: 郑素丽
Original assignee: Guangdong Cheng'ai Testing Technology Co ltd
Current assignee: Guangdong Cheng'ai Testing Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-21
Anticipated expiration: 2029-11-22

Abstract

The utility model belongs to the technical field of sterilization apparatus technique and specifically relates to a high pressure steam sterilizer, include: it is characterized by comprising a sterilization chamber, a switch cover, a heater and a sealing component; the top of the sterilizing chamber is open, the top of the sterilizing chamber is connected with a switch cover, one end of the switch cover is hinged and fixed with the sterilizing chamber through a rotating shaft, the rest part of the switch cover is connected and fixed with the sterilizing chamber through a plurality of threads, and the sealing assembly is arranged between the sterilizing chamber and the switch cover; the heater is fixedly arranged at the bottom of the sterilization chamber, and a screen plate for treating an object to be treated is placed above the heater; and a water outlet is formed in the bottom of the sterilization chamber and used for discharging condensed water after high-pressure sterilization. Above-mentioned high pressure steam sterilizer can seal the sterilization room safely effectively through this seal assembly's structure, has guaranteed the security of equipment during operation.

Description

High-pressure steam sterilizer

Technical Field

The utility model belongs to the technical field of sterilization apparatus technique and specifically relates to a high pressure steam sterilizer.

Background

The high-pressure steam sterilizer is equipment for quickly and reliably sterilizing articles by utilizing saturated pressure steam, and is suitable for medical health, scientific research, agriculture and other units. The high-pressure steam sterilizer is divided into a portable high-pressure steam sterilizer, a vertical high-pressure steam sterilizer, a horizontal high-pressure steam sterilizer and the like according to the style and the size. Can be used for sterilizing medical instruments, dressings, glassware, solution culture medium and the like. The high-pressure steam sterilizer consists of a sterilization chamber, a control system, an overvoltage protection device and the like. The traditional high-pressure steam sterilizer is sealed only in a threaded connection mode, and the sealing structure has the defects of complex operation, poor sealing effect and the like, and causes great inconvenience to the sterilization process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve at least one of the technical problems in the prior art and provide a high-pressure steam sterilizer, which is characterized by comprising a sterilization chamber, a switch cover, a heater and a sealing component, wherein the top of the sterilization chamber is open, a screen plate for treating an object to be treated is arranged in the sterilization chamber, and a water outlet is arranged at the bottom of the sterilization chamber; the switch cover is connected and arranged above the sterilization chamber; the heater is fixedly arranged at the bottom of the sterilization chamber; the sealing assembly is arranged between the sterilization chamber and the switch cover and comprises a sealing cavity, a sealing ring and an air inlet channel, the sealing cavity is formed between the switch cover and the sterilization chamber after the switch cover is closed, the sealing ring is arranged in the sealing cavity, and the air inlet channel is communicated with the sterilization chamber cavity and the sealing cavity.

As a further improvement of the above scheme, the sealing ring is an O-shaped sealing ring.

As a further improvement of the scheme, the sealing ring is made of rubber materials, and the diameter of the sealing ring is larger than the height of the sealing cavity.

As a further improvement of the scheme, one end of the switch cover is hinged and fixed with the sterilization chamber through a rotating shaft, and the edge part of the switch cover is connected and fixed with the sterilization chamber through a plurality of nuts.

As a further improvement of the scheme, the nut is a wing nut.

As a further improvement of the scheme, a plurality of convex blocks are arranged on the inner wall of the sterilizing chamber in a layering mode in the vertical direction, grooves slightly larger than the convex blocks are formed in the peripheral sides of the mesh plates, and a plurality of mesh plates can be placed on the convex blocks in a layering mode.

As a further improvement of the scheme, the bottom of the sterilizing chamber is also provided with a low water level alarm.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a top view of the sterilization chamber of the present invention;

FIG. 4 is a schematic view of a structure of a mesh plate.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

An autoclave as shown in fig. 1 and 2 comprises a sterilizing chamber 1, a switch cover 2, a heater 4 and a sealing assembly 30; the top of the sterilization chamber 1 is open, a screen plate 5 for treating an object to be treated is arranged in the sterilization chamber 1, and a water outlet 7 is arranged at the bottom of the sterilization chamber 1; the switch cover 2 is connected and arranged at the top of the sterilization chamber 1, and the top of the switch cover 2 is provided with an exhaust valve 3, a safety valve 8 and a pressure gauge 9; the heater 4 is fixedly arranged at the bottom of the sterilizing chamber 1 through bolts; the sealing assembly 30 is disposed between the sterilization chamber 1 and the switch cover 2. Seal assembly 30 includes sealed chamber 12, sealing washer 11 and inlet channel 12, and sealed chamber 12 is the fluting at 1 top of sterilizing chamber and the cavity that the switch lid 2 formed after closed, sealing washer 11 sets up in sealed chamber 12, inlet channel 13 sets up on the sterilizing chamber inner wall, and inlet channel 13 intercommunication sterilizing chamber 1 cavity and sealed chamber 12. The sterilizer during operation, the increase of sterilization chamber internal pressure, pressure steam flows into sealed chamber 12 from inlet channel 13, and pressure gas promotes the sealing washer 11 in the sealed chamber 12 and closely laminates with switch lid 2 to the gap between blockade sterilization chamber 1 and the switch lid 2 reaches sealed effect. The sealing scheme does not need to improve the main structure of equipment, and has the advantages of simple structure and good sealing property.

As a further improvement of the above scheme, the sealing ring 11 is an O-shaped sealing ring, which has the advantages of simple structure, good sealing performance and the like, and can provide sufficient pretightening force for sealing to achieve the effect of zero leakage.

As a further improvement of the above scheme, the sealing ring 11 is made of rubber material, the diameter of the cross section of the sealing ring is larger than the height of the sealing cavity 12, and the sealing ring can be compressed by the pressure after the switch cover is closed by arranging the sealing ring with the larger diameter of the cross section, so that the sealing effect is improved.

As a further improvement of the above scheme, the top of the sterilization chamber is welded with a hinged plate, the switch cover 2 is provided with a hinged chain, one end of the switch cover 2 is hinged and fixed with the sterilization chamber 1 through a rotating shaft, the top of the sterilization chamber is also provided with a threaded hole, and the edge part of the switch cover 2 is fixedly connected with the sterilization chamber 1 through 3 nuts 10. Through setting up the articulated demountable installation mode that combines together with threaded connection of pivot, traditional threaded connection installation relatively, this mounting means has convenient operation, the simple advantage of fixed mode, can make things convenient for operations such as closing and opening of switch lid 2.

As a further improvement of the above solution, the nut 10 is a wing nut. Compared with the conventional nut, the wing nut is more convenient for the operation of workers, and provides convenience for the installation and the disassembly of the nut.

As a further improvement of the above scheme, as shown in fig. 3 and 4, the inner wall of the sterilization chamber 1 is divided into 3 layers in the vertical direction, each layer is provided with 4 bumps 100 arrayed along the peripheral side, the bumps 100 are used for mounting the screen 5, the peripheral side of the screen 5 is provided with 4 grooves 50 slightly larger than the bumps 100, the screen 5 can penetrate the bumps 100 on the upper layer by means of the vertical alignment of the grooves 50 and the bumps 100, and then is placed and mounted on the bumps 100 on the lower layer by the dislocation of the grooves 50 and the bumps 100, so as to achieve the layering effect.

As a further improvement of the scheme, the bottom of the sterilization chamber 1 is also provided with a low water level alarm 6, the low water level alarm 6 can send out a signal to remind when the water level is too low, and the low water level alarm has the function of preventing the heater from being damaged due to dry burning caused by too little water when the sterilizer works.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. An autoclave, comprising:

the sterilization device comprises a sterilization chamber (1), wherein the top of the sterilization chamber (1) is open, a screen plate (5) for treating an object to be treated is arranged in the sterilization chamber (1), and a water outlet (7) is formed in the bottom of the sterilization chamber (1);

the switch cover (2) is connected and arranged above the sterilizing chamber (1);

the heater (4) is fixedly arranged at the bottom of the sterilizing chamber (1);

seal assembly (30), seal assembly (30) set up between sterilization chamber (1) and switch lid (2), seal assembly (30) are including sealed chamber (12), sealing washer (11) and inlet channel (13), form sealed chamber (12) between switch lid (2) closure back and sterilization chamber (1), sealing washer (11) set up in sealed chamber (12), inlet channel (13) intercommunication sterilization chamber (1) cavity and sealed chamber (12).

2. An autoclave according to claim 1, characterized in that the sealing ring (11) is an O-ring.

3. An autoclave according to claim 2, characterized in that the sealing ring (11) is made of rubber material, the diameter of the sealing ring (11) being greater than the height of the sealing cavity (12).

4. The autoclave of claim 1, wherein one end of the switch cover (2) is hinged and fixed with the sterilization chamber (1) through a rotating shaft, and the edge part of the switch cover (2) is connected and fixed with the sterilization chamber (1) through a plurality of nuts (10).

5. An autoclave according to claim 4, characterized in that the nut (10) is a wing nut.

6. The autoclave of claim 1, wherein the sterilization chamber (1) has a plurality of projections (100) layered in the vertical direction, the screen (5) has a groove (50) slightly larger than the projection (100) on the periphery, and the projections (100) can be used for placing a plurality of screens (5) in layers.

7. An autoclave according to claim 1, characterized in that the sterilization chamber (1) is also provided with a low water level alarm (6) at its bottom.