CN112972713B - a steam sterilizer - Google Patents

Abstract

A steam sterilizer, including a shell, a disinfection chamber, a drying device, a supply system, a discharge system, a power assembly and a control unit, and also includes a disinfection chamber lifting assembly and a sealing plate assembly; the main body of the sterilization chamber is a hollow with one end open A cylindrical structure, used to provide space for the sterilization of medical equipment; the sterilization chamber is slidably positioned on the housing, and the sterilization chamber includes a sealing element; the sealing element is positioned on the sterilization chamber close to the opening The position is used to prevent the output of steam from the opening of the disinfection chamber when disinfection is started; the disinfection chamber sliding drive device is positioned between the disinfection chamber and the housing, and is used to drive the disinfection chamber Sliding; the sealing plate assembly is positioned on the housing, and the main body is plate-shaped; before disinfection, the disinfection chamber slides towards the sealing plate assembly, and the sealing plate assembly closes the disinfection chamber opening.

Description

a steam sterilizer

technical field

The invention relates to the technical field of medical instruments, in particular to a steam sterilizer.

Background technique

In the prior art, steam sterilizers are mostly used to sterilize medical instruments. The steam sterilizer includes: a shell, used to support and position other parts of the steam sterilizer; a main tank, which is used to hold water; a disinfection chamber, which is used for It is used to place the instruments to be sterilized; the hatch cover is rotatably fixedly connected and/or detachably fixedly connected to the sterilizing chamber, which is used to close the sterilizing chamber and facilitate the entry and exit of the sterilizing instruments; the supply system is suitable for Water is drawn from the main tank, converted into steam, and this steam is delivered to the sterilization chamber; a drying unit, which is adapted to dry the equipment using a jet of hot air; an exhaust system, which is adapted to drain the waste fluid, which Fluids are waste liquid and residual gases and vapours.

When the steam sterilizer is working, the internal pressure of the disinfection chamber is high, and the force on the hatch cover is relatively large at this time, especially at the connection position between the hatch cover and the disinfection chamber, stress concentration will occur, which will seriously damage the use of the steam sterilizer At the same time, there are great potential safety hazards.

Contents of the invention

The embodiment of the present application provides a steam sterilizer, which solves the technical problem that the hatch cover and its positioning components are easily damaged during the working process of the steam sterilizer, thereby causing potential safety hazards, and achieves the technical effect of stable and reliable operation of the steam sterilizer.

An embodiment of the present application provides a steam sterilizer, including a casing, a disinfection chamber, a drying device, a supply system, a discharge system, a power assembly, and a control unit, and also includes a disinfection chamber lifting assembly and a sealing plate assembly;

The main body of the disinfection chamber is a hollow cylindrical structure with one end open, which is used to provide space for the disinfection of medical instruments;

The sterilizing chamber is slidably positioned on the housing, and the sterilizing chamber includes a sealing element;

The sealing element is positioned on the sterilizing chamber close to the opening, and is used to prevent steam from outputting from the opening of the sterilizing chamber when the sterilization is started;

The sterilizing chamber sliding drive device is positioned between the sterilizing chamber and the housing, and is used to drive the sterilizing chamber to slide;

The sealing plate assembly is positioned on the housing, and its main body is plate-shaped;

Before disinfection, the disinfection chamber slides towards the sealing plate assembly, and the sealing plate assembly closes the opening of the disinfection chamber.

Preferably, the sealing plate assembly includes a sealing plate main body, a sealing plate positioning component, a cover body and a sealing plate rotating component;

The main body of the sealing plate is a circular plate or a fan-shaped plate, which is rotatably positioned on the housing through the sealing plate positioning assembly;

The axial direction of the main body of the sealing plate is the same as the sliding direction of the disinfection chamber;

The cover body is positioned on the main body of the sealing plate, and is used for putting the medical instruments to be sterilized into the disinfection bin and taking out the sterilized medical instruments from the inside of the disinfection bin after the medical instruments are sterilized ;

The sealing plate rotating assembly plays a role in driving the main body of the sealing plate to rotate so as to change the spatial position of the cover relative to the disinfection chamber.

Preferably, it also includes a storage bucket, which is used to place the sterilized medical instruments;

The storage bucket is positioned inside the disinfection chamber by the storage bucket positioning assembly, and the storage bucket includes a storage bucket main body, which is barrel-shaped and densely covered with air holes.

Preferably, the disinfection chamber also includes a steam inlet hole and a steam outlet hole;

Both the steam inlet hole and the steam outlet hole are positioned on the side wall of the disinfection chamber, and are respectively used to communicate with the supply system and the discharge system;

The storage bucket is rotatably and fixedly connected to the disinfection bin through the storage bucket positioning assembly;

The storage bucket also includes a protruding plate and an intake airflow guide block;

The protruding plate is positioned on the outer wall of the main body of the storage bucket;

The intake air flow guide block is positioned on the inner wall of the disinfection chamber at a position close to the steam intake hole;

The high-pressure steam enters the disinfection chamber through the steam inlet hole and guided by the intake airflow guide block, blows to the protruding plate and then pushes the storage bucket to rotate.

Preferably, the storage bucket also includes a clamping assembly;

The clamping assembly is positioned on the inner wall of the main body of the storage bucket, and plays a role in positioning the medical instruments placed in the storage bucket.

Preferably, the clamping component includes a tweezers body, a tweezers body positioning component, a tweezers body rotating component and a clamping action auxiliary block;

The main body of the tweezers body is in the shape of a "V", which is used for gripping and positioning the sterilized medical instruments, and the tweezers body is rotatably and fixedly connected to the main body of the storage bucket through the tweezers body positioning assembly;

The tweezers body rotation assembly is used to drive the tweezers body to rotate and then cooperate with the clamping action auxiliary block to realize the clamping of medical instruments to be sterilized;

The main body of the clamping action auxiliary block is in the shape of a "V". When the tweezers body rotates, the tweezers body contacts with the clamping action auxiliary block and is squeezed to realize the clamping action;

The operation of the clamping assembly is manually controlled clamping and loosening or controlled by the control unit.

Preferably, the rotating assembly of the tweezers body includes a central power chamber, a reversing wheel, a guide rope, and a guide rope retractable assembly;

The central power bin is rotatably and fixedly connected to the storage bucket and positioned on the storage bucket positioning assembly. The main body of the central power bin is hollow cylindrical, and its axial direction is parallel to that of the storage bucket. same;

The reversing wheel is positioned on the side wall of the central power bin for guiding the guiding rope;

The guide rope retractable assembly is positioned in the central power compartment, and plays a role of retracting the guide rope and then controlling the rotation of the tweezers body;

One end of the guide rope is positioned on the tweezers body, and the other end is wound and positioned on the retractable assembly of the guide rope.

Preferably, the clamping component includes a tweezers body, a tweezers body positioning component, a tweezers body rotating component and a clamping action auxiliary block;

The main body of the clamping action auxiliary block is in the shape of a "V". When the tweezers body rotates, the tweezers body contacts with the clamping action auxiliary block and is squeezed to realize the clamping action;

The main body of the tweezers body is "X" shaped, and the number of the clamping action auxiliary blocks is two, and the clamping action auxiliary blocks are all positioned on the inner wall of the storage bucket main body and located in the space position. The clamping action auxiliary block is close to the two ends of the tweezers body;

The clamping assembly also includes a cover plate, which is positioned on the inner wall of the storage bucket main body and is used for positioning the reversing wheel;

The tweezers body positioning component is used to position the tweezers body, and the tweezers body rotating component plays a role in driving the tweezers body to rotate;

There are multiple tweezers with various specifications, and they are used for positioning unused medical instruments.

Preferably, the tweezers body includes a first tweezers body and a second tweezers body;

The first tweezers body and the second tweezers body rotate asynchronously and clamp asynchronously.

Preferably, the sealing plate positioning assembly includes a support rod, a positioning block and an elastic element;

The main body of the support rod is rod-shaped or column-shaped, and is fixed on the housing;

The positioning block is fixed on the support rod for positioning the main body of the sealing plate;

The main body of the sealing plate is rotatably connected to the positioning block;

An elastic element is positioned between the positioning block and the main body of the sealing plate, and the elastic element is used to push the main body of the sealing plate away from the housing in the non-sterilized state of the steam sterilizer, thereby facilitating the sealing of the main body of the sealing plate. rotation. One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

By canceling the setting of the hatch cover of the steam sterilizer, adding a sealing plate assembly to replace the hatch cover to close the disinfection chamber, the sealing plate assembly is positioned on the casing of the steam sterilizer, and the sterilization chamber is slidably positioned in the casing of the steam sterilizer, and the sterilization The disinfection chamber lift assembly is set under the chamber. Before the disinfection begins, use the disinfection chamber lifting assembly to lift the disinfection chamber so that it is close to the sealing plate assembly and then close the disinfection chamber. It effectively solves the technical problem that the hatch cover and its positioning components are easily damaged during the working process of the steam sterilizer, thereby causing potential safety hazards, and thus realizes the technical effect of stable and reliable operation of the steam sterilizer.

Description of drawings

Fig. 1 is a schematic view of the internal structure of the steam sterilizer of the present invention, for showing the internal structure of the steam sterilizer;

Fig. 2 is a schematic diagram of the internal structure of the steam sterilizer of the present invention;

Fig. 3 is a schematic view of the appearance structure of the steam sterilizer of the present invention;

Fig. 4 is the sectional view of steam sterilizer of the present invention;

Fig. 5 is the structural representation of the sealing plate assembly of steam sterilizer of the present invention;

Fig. 6 is a schematic diagram of the positional relationship between the sterilization chamber and the housing of the steam sterilizer of the present invention;

Fig. 7 is a schematic diagram of the positional relationship between the disinfection chamber sliding drive device and the disinfection chamber of the steam sterilizer of the present invention;

Fig. 8 is a schematic structural view of the intake air flow guide block of the steam sterilizer of the present invention;

Fig. 9 is a schematic structural view of the storage barrel of the steam sterilizer of the present invention;

Fig. 10 is a schematic diagram of the positional relationship between the clamping assembly and the main body of the storage bucket of the steam sterilizer of the present invention;

Fig. 11 is a schematic structural view of the first form of the clamping assembly of the steam sterilizer of the present invention;

Fig. 12 is a schematic structural view of the tweezers body of the steam sterilizer of the present invention;

Fig. 13 is a schematic structural view of the second form of the clamping assembly of the steam sterilizer of the present invention;

Fig. 14 is a schematic diagram of the second configuration of the clamping assembly of the steam sterilizer of the present invention;

Fig. 15 is a schematic structural view of the third form of the clamping assembly of the steam sterilizer of the present invention;

Fig. 16 is a schematic diagram of the third configuration of the clamping assembly of the steam sterilizer of the present invention;

In the picture:

Housing 100, gas exchange hole 110,

Disinfection chamber 200, steam inlet hole 210, steam outlet hole 220, storage bucket positioning assembly 230, intake airflow guide block 240,

Disinfection bin sliding drive device 300,

Storage bucket 400, storage bucket main body 410, vent hole 420, sealing element 430, protruding plate 440, clamping assembly 450, tweezers body 451, buffer cushion 4511, first tweezers body 4512, second tweezers body 4513, tweezers body Positioning component 452, tweezers body rotating component 453, central power bin 4531, reversing wheel 4532, guide rope 4533, guide rope retractable component 4534, clamping action auxiliary block 454,

Sealing plate assembly 500, sealing plate main body 510, sealing plate positioning assembly 520, support rod 521, positioning block 522, elastic element 523, cover body 530, sealing plate rotating assembly 540, rotating handle 541, auxiliary wheel 542;

Detailed ways

In order to facilitate understanding of the present invention, the present application will be described more fully below with reference to the accompanying drawings; preferred embodiments of the present invention are shown in the accompanying drawings, however, the present invention can be realized in many different forms and is not limited to Embodiments described herein; on the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only implementation Way.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention; the terms used in the description of the present invention herein are only to describe specific implementations is not intended to limit the present invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Fig. 1, which is a schematic diagram of the internal structure of the steam sterilizer of the present invention; the steam sterilizer of the present application includes a housing 100, a sterilization chamber 200, a sterilization chamber lifting assembly 300 and a sealing plate assembly 500; the application eliminates the cabin of the steam sterilizer For the setting of the hatch cover, a sealing plate assembly 500 is added to replace the hatch cover to close the disinfection chamber 200. The sealing plate assembly 500 is positioned on the housing 100 of the steam sterilizer, and the disinfection chamber 200 is slidably positioned in the housing 100 of the steam sterilizer. A disinfection bin lifting assembly 300 is arranged below the bin 200. Before the disinfection starts, the disinfection bin lifting assembly 300 is used to lift the disinfection bin 200 so that it is close to the sealing plate assembly 500 and then the disinfection bin 200 is closed.

Embodiment one

As shown in FIG. 1 , the steam sterilizer of the present application includes a housing 100 , a disinfection chamber 200 , a sterilization chamber lifting assembly 300 , a sealing plate assembly 500 , a drying device, a supply system, an exhaust system, a power assembly and a control unit.

The shell of the entire steam sterilizer of the housing 100 plays the role of carrying various parts of the steam sterilizer, and its shape can be a box structure; the side wall of the housing 100 is provided with gas exchange holes 110, and the gas The number of exchange holes 110 is two or more, which are used to communicate with the supply system and the discharge system to input steam into the disinfection chamber 200 or discharge the gas inside the sterilization chamber 200 .

As shown in Figure 1, Figure 7 or Figure 8, the disinfection chamber 200 is a hollow cylindrical structure with one end open, which is used to provide space for the disinfection of medical instruments; the disinfection chamber 200 is slidably positioned on the On the housing 100, the disinfection chamber 200 includes a steam inlet hole 210, a steam outlet hole 220 and a sealing element 250; the steam inlet hole 210 and the steam outlet hole 220 are all positioned on the side wall of the disinfection chamber 200, respectively It is in communication with the supply system and the discharge system; the sealing element 250 is positioned on the disinfection chamber 200 close to the opening, and is used to prevent steam from outputting from the opening of the disinfection chamber when disinfection starts.

Preferably, the steam inlet hole 210 and the steam outlet hole 220 are oblong holes, which match with the gas exchange hole 110 .

Preferably, the sliding direction of the sterilization chamber 200 is the height direction of the steam sterilizer.

Preferably, the sealing element 250 is a rubber gasket.

The sterilizing bin sliding drive device 300 is positioned between the sterilizing bin 200 and the housing 100, and is used to drive the sterilizing bin 200 to slide; the structure of the sterilizing bin sliding driving device 300 can It is a rack and pinion mechanism, a telescopic rod structure, a cam mechanism, etc.

As shown in FIG. 3, FIG. 4 or FIG. 5, the sealing plate assembly 500 is positioned on the housing 100, and its main body is plate-shaped to seal the opening of the disinfection chamber 200 during disinfection. effect;

Further, the sealing plate assembly 500 includes a sealing plate main body 510, a sealing plate positioning assembly 520, a cover body 530 and a sealing plate rotating assembly 540; the sealing plate main body 510 is a circular plate or a fan-shaped plate, which passes through the The sealing plate positioning assembly 520 is rotatably positioned on the housing 100; when the steam sterilizer is running, the surface of the sealing plate main body 510 away from the sterilization chamber 200 and the surface of the housing 100 The contact area is greater than one twenty-sixth of the surface area; the axial direction of the sealing plate main body 510 is the same as the sliding direction of the disinfection chamber 200; the cover 530 is positioned on the sealing plate main body 510, used to put the medical equipment to be sterilized into the disinfection bin 200 and take out the sterilized medical equipment from the inside of the disinfection bin 200 after the disinfection of the medical equipment is completed; the sealing plate rotating assembly 540 To drive the sealing plate main body 510 to rotate and then change the spatial position of the cover body 530 relative to the disinfection chamber 200;

Further, as shown in Figures 1 and 4, the sealing plate positioning assembly 520 includes a support rod 521, a positioning block 522 and an elastic element 523; the main body of the support rod 521 is rod-shaped or cylindrical, and is fixed on the The above-mentioned housing 100; the positioning block 522 is fixed on the support rod 521 for positioning the sealing plate main body 510; the sealing plate main body 510 is rotatably connected to the positioning block 522; an elastic element 523 is positioned between the positioning block 522 and the sealing plate main body 510, and the elastic element 523 is used to push the sealing plate main body 510 away from the housing 100 in the non-sterile state of the steam sterilizer Furthermore, the rotation of the sealing plate main body 510 is facilitated and the state of the disinfection chamber 200 is displayed thereby.

Further, as shown in FIG. 3 , the sealing plate rotating assembly 540 includes a rotating handle 541 and auxiliary wheels 542; the rotating handle 541 is positioned on the sealing plate main body 510; the auxiliary wheels 542 can Rotationally fixed on the sealing plate main body 510 and against the housing 100, the axial direction of the auxiliary wheel 542 is the same as the axial direction of the sealing plate main body 510, so as to facilitate the user to rotate the sealing plate Board main body 510; preferably, the number of auxiliary wheels 542 is three.

As shown in FIG. 2 , the drying device, supply system, discharge system, power components and control unit are all in the prior art, and will not be repeated here.

Preferably, the control unit includes a control panel, and the control panel functions to control the operation of each part of the device.

Preferably, a plurality of control buttons are positioned on the control panel;

Preferably, the control panel is a touch screen;

The steps of using the embodiment of the present application are as follows: the operator rotates the main body 510 of the sealing plate, so that the cover 530 is rotated directly above the disinfection chamber 200; Place the medical instruments to be sterilized inside the disinfection chamber 200; turn the sealing plate main body 510 until the opening of the disinfection chamber 200 cannot be seen from the cover body 530; the operator passes through the control unit Control the operation of the sliding drive device 300 of the disinfection chamber, so that the sealing assembly 250 on the opening of the disinfection chamber 200 is close to the sealing plate main body 510; the supply system and discharge are controlled by the control unit The system runs and starts to sterilize; after the disinfection is finished, stop the supply system and the discharge system, and run the sterilizing chamber sliding drive device 300 to keep the sterilizing chamber 200 away from the sealing plate main body 510; rotate the The main body 510 of the sealing plate, the cover 530 is rotated to be directly above the disinfection chamber 200, the cover 530 is opened, and the sterilized medical instrument is taken out.

The above-mentioned technical solutions in the embodiments of the present application have at least the following technical effects or advantages:

It solves the technical problem that the hatch cover and its positioning components are easily damaged during the working process of the steam sterilizer, thereby causing potential safety hazards, and realizes the technical effect of stable and reliable operation of the steam sterilizer.

Embodiment two

Considering that part of the surface of the medical device put into the disinfection bin 200 will be attached to the inner wall of the disinfection bin 200 to affect the sterilization effect; this embodiment adds a storage bucket 400 on the basis of the above embodiment. For the placement of sterilized medical devices.

As shown in Figure 1, Figure 6 and Figure 9, the storage bucket 400 is positioned inside the disinfection bin 200 through the storage bucket positioning assembly 230, the storage bucket 400 includes a storage bucket main body 410, and the storage bucket main body 410 is barrel-shaped , which is densely covered with vent holes 420.

Considering that the medical devices close to the steam inlet 210 and the medical devices far away from the steam inlet 210 have different degrees of contact with steam and the degree of heat, which affects the disinfection; for this problem, as shown in Figure 8 and Figure 9 As shown, in this embodiment, the storage bucket 400 is rotatably and fixedly connected to the disinfection chamber 200 through the storage bucket positioning assembly 230, and a protruding plate 440 is added on the outer wall of the storage bucket main body 410. On the inner wall of the disinfection chamber 200, an intake airflow guide block 240 is added near the position of the steam intake hole 210; down into the disinfection bin 200, and blow to the protruding plate 440 to push the storage barrel 400 to rotate so that the medical instruments inside the storage barrel 400 are evenly sterilized.

The above-mentioned technical solutions in the embodiments of the present application have at least the following technical effects or advantages:

The bactericidal effect is further enhanced, and the time required for disinfection is shortened to a certain extent.

Embodiment Three

Considering that with the rotation of the storage bucket 400 in the second embodiment, the sterilized medical instruments inside are prone to displacement, resulting in collisions and equipment operating noises, and damage to the sterilized medical instruments is also easy Barrel 400 for damage.

In this embodiment, on the basis of the above embodiments, a clamping assembly 450 is added, and the clamping assembly 450 is positioned on the inner wall of the storage bucket main body 410 to be positioned and placed in the storage bucket 400. the role of the medical device;

Further, as shown in FIG. 10 , FIG. 11 and FIG. 12 , the clamping assembly 450 includes a tweezers body 451 , a tweezers body positioning assembly 452 , a tweezers body rotating assembly 453 and a clamping action auxiliary block 454 ;

The main body of the tweezers body 451 is in the shape of a "V", which is used for gripping and positioning the sterilized medical instruments. The tweezers body 451 is rotatably and fixedly connected to the storage bucket main body 410 through the tweezers body positioning assembly 452; The tweezers body rotating assembly 453 is used to drive the tweezers body 451 to rotate and then cooperate with the clamping action auxiliary block 454 to realize the clamping of medical instruments to be sterilized; the main body of the clamping action auxiliary block 454 is "V" shape, when the tweezers body 451 rotates, the tweezers body 451 is in contact with the clamping action auxiliary block 454 to be squeezed to realize the clamping action.

Further, the tweezers body rotation assembly 453 includes a central power bin 4531, a reversing wheel 4532, a guide rope 4533 and a guide rope retractable assembly 4534; the central power bin 4531 is rotatably and fixedly connected to the On the storage bucket 400 and positioned on the storage bucket positioning assembly 230, the main body of the central power bin 4531 is hollow cylindrical, and its axial direction is the same as that of the storage bucket 400; the reversing wheel 4532 is positioned On the side wall of the central power bin 4531, it is used to guide the guiding rope 4533; the guiding rope retractable assembly 4534 is positioned in the central power bin 4531 to play the role of retracting The force-guiding rope 4533 further controls the rotation of the tweezers body 451; one end of the force-guiding rope 4533 is positioned on the tweezers body 451, and the other end is wound and positioned on the force-guiding rope to retract Assembly 4534 on.

Preferably, as shown in FIG. 12 , a cushion cushion 4511 is positioned on the tweezers body 451 , and the cushion cushion 4511 plays a role in reducing wear and tear of the medical device and ensuring firm clamping.

Preferably, the operation of the clamping assembly 450 is manually controlled clamping and loosening or controlled by the control unit.

During the actual operation of the embodiment of the present application, open the cover 530, place the medical instruments to be sterilized inside the disinfection chamber 200, and use the clamping assembly 450 to position each of them and place them inside the disinfection chamber 200. The medical instrument to be sterilized; when taking out the sterilized medical instrument, first release the positioning of the clamping assembly 450 on the medical instrument.

Embodiment four

Considering that in the actual application of the above-mentioned embodiment, the position where the fixed medical device is in direct contact with the tweezers body 451 may not be thoroughly disinfected, which will affect the overall disinfection effect; this embodiment is based on the above-mentioned embodiment. Relevant improvements have been made to the clamping assembly 450 described above, specifically:

As shown in Figure 13 and Figure 14, the main body of the tweezers body 451 is in the shape of an "X", and the number of the clamping action auxiliary blocks 454 is two, and the clamping action auxiliary blocks 454 are all positioned on the storage area. The inner wall of the barrel main body 410 is located at the two ends of the clamping action auxiliary block 454 close to the tweezers body 451; the clamping assembly 450 also includes a cover plate 4535, and the cover plate 4535 is positioned on the The inner wall of the storage bucket main body 410 is used for positioning the reversing wheel 4532; the tweezers body positioning assembly 452 is used for positioning the tweezers body 451, and the tweezers body rotating assembly 453 is used to drive The function of the rotation of the tweezers body 451.

Preferably, the number of the tweezers body 451 is multiple, and there are various specifications, which are used for positioning unused medical instruments.

During the actual operation of the embodiment of the present application, during the disinfection process, the control unit controls the operation of the tweezers body rotating assembly 453 to clamp and release the medical instruments being sterilized cyclically.

Embodiment five

During the experiment, it was found that the tweezers body 451 described in Example 4 is prone to the problem of unreliable fixation of the medical device being sterilized during the rotation process, and the loosening of the medical device will adversely affect the disinfection;

In view of the above problems, as shown in Figure 15 and Figure 16, this embodiment splits the single tweezers body 451 into two non-synchronously rotating tweezers bodies 451 on the basis of Embodiment 4, which are respectively the first tweezers body 4512 and the second tweezers body 4513, and make adaptive modifications to the tweezers body rotating assembly 453, so that the first tweezers body 4512 and the second tweezers body 4513 are clamped asynchronously.

During the actual operation of the embodiment of the present application, during the disinfection process, the control unit controls the operation of the tweezers body rotating assembly 453, and the first tweezers body 4512 and the second tweezers body 4513 circulate to the medical device being sterilized. Clamping and loosening of the instrument; at any moment during the disinfection process, at least one of the first tweezers body 4512 and the second tweezers body 4513 is in a clamped state.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. A steam sterilizer comprises a shell, a sterilization bin, a drying device, a supply system, an exhaust system, a power assembly and a control unit, and is characterized by also comprising a sterilization bin lifting assembly and a sealing plate assembly;

the disinfection cabin main body is a hollow cylindrical structure with one open end and is used for providing space for disinfection of medical instruments;

the disinfection cabin is positioned on the shell in a sliding mode and comprises a sealing element;

the sealing element is positioned on the disinfection cabin at a position close to the opening and is used for preventing steam from being output from the opening of the disinfection cabin when disinfection is started;

the disinfection cabin sliding driving device is positioned between the disinfection cabin and the shell and is used for driving the disinfection cabin to slide;

the sealing plate assembly is positioned on the shell, and the main body is in a plate shape;

before sterilization, the sterilization bin slides towards the sealing plate assembly, and the sealing plate assembly seals the opening of the sterilization bin;

the sealing plate assembly comprises a sealing plate main body, a sealing plate positioning assembly, a cover body and a sealing plate rotating assembly;

the sealing plate main body is a circular plate or a fan-shaped plate, and can be rotatably positioned on the shell through the sealing plate positioning assembly;

the axial direction of the sealing plate main body is the same as the sliding direction of the disinfection cabin;

the cover body is positioned on the sealing plate main body and is used for placing medical instruments to be sterilized into the sterilizing bin and taking out the sterilized medical instruments from the sterilizing bin after the medical instruments are sterilized;

the sealing plate rotating assembly plays a role in driving the sealing plate main body to rotate so as to change the space position of the cover body relative to the disinfection bin;

the sealing plate positioning assembly comprises a supporting rod, a positioning block and an elastic element;

the main body of the supporting rod is rod-shaped or column-shaped and is fixed on the shell;

the positioning block is fixed on the supporting rod and used for positioning the sealing plate main body;

the sealing plate main body is rotatably connected with the positioning block;

an elastic element is positioned between the positioning block and the sealing plate main body and is used for ejecting the sealing plate main body away from the shell under the non-disinfection state of the steam sterilizer, so that the sealing plate main body can rotate conveniently.

2. The steam sterilizer of claim 1 further comprising a storage bucket for holding sterilized medical instruments;

the storage barrel is positioned inside the disinfection cabin through the storage barrel positioning assembly and comprises a storage barrel main body, wherein the storage barrel main body is barrel-shaped, and air holes are densely distributed in the storage barrel main body.

3. The steam sterilizer of claim 2 wherein the sterilization chamber further comprises steam inlet and outlet apertures;

the steam inlet hole and the steam outlet hole are positioned on the side wall of the disinfection bin and are respectively communicated with the supply system and the discharge system;

the storage barrel is rotatably and fixedly connected to the disinfection bin through a storage barrel positioning assembly;

the storage barrel also comprises a protruding plate and an air inlet flow guide block;

the protruding plate is positioned on the outer wall of the storage barrel main body;

the air inlet airflow guide block is positioned on the inner wall of the disinfection bin and close to the steam inlet hole;

high-pressure steam enters the disinfection bin through the steam inlet hole under the guidance of the air inlet airflow guide block and blows towards the protruding plate to further push the storage barrel to rotate.

4. The steam sterilizer of claim 2 or 3 wherein the storage tub further comprises a clamp assembly;

the clamping assembly is positioned on the inner wall of the storage barrel main body, and plays a role in positioning and placing medical instruments in the storage barrel.

5. The steam sterilizer of claim 4, wherein the clamping assembly comprises a tweezer body, a tweezer body positioning assembly, a tweezer body rotating assembly, and a clamping action assist block;

the forceps body main body is V-shaped and is used for clamping and further positioning the disinfected medical instrument, and the forceps body can be rotatably and fixedly connected to the storage barrel main body through the forceps body positioning component;

the forceps body rotating assembly is used for driving the forceps bodies to rotate so as to be matched with the clamping action auxiliary block to clamp the medical instrument to be disinfected;

the main body of the clamping action auxiliary block is V-shaped, and when the forceps body rotates, the forceps body is in contact with the clamping action auxiliary block and then is extruded, so that clamping action is realized;

the operation of the clamping assembly is manually controlled to clamp and release or controlled by the control unit.

6. The steam sterilizer of claim 5 wherein the tweezer body rotating assembly comprises a central power cartridge, a reversing wheel, a guide cord and a guide cord retracting assembly;

the central power bin is rotatably and fixedly connected to the storage barrel and positioned on the storage barrel positioning component, and the main body of the central power bin is hollow and cylindrical, and the axial direction of the main body of the central power bin is the same as that of the storage barrel;

the reversing wheel is positioned on the side wall of the central power bin and is used for guiding the force guide rope;

the force guide rope retracting and releasing assembly is positioned in the central power bin and plays a role in retracting and releasing the force guide rope so as to control the tweezers body to rotate;

one end of the force guide rope is positioned on the forceps body, and the other end of the force guide rope is wound and positioned on the force guide rope winding and unwinding assembly.

7. The steam sterilizer of claim 4, wherein the clamping assembly comprises a tweezer body, a tweezer body positioning assembly, a tweezer body rotating assembly, and a clamping action assist block;

the main body of the clamping action auxiliary block is V-shaped, and when the forceps body rotates, the forceps body is in contact with the clamping action auxiliary block and then is extruded, so that clamping action is realized;

the forceps body main body is X-shaped, the number of the clamping action auxiliary blocks is two, the clamping action auxiliary blocks are positioned on the inner wall of the storage barrel main body, and the clamping action auxiliary blocks are positioned at the two ends, close to the forceps body, of the clamping action auxiliary blocks in spatial positions;

the clamping component also comprises a cover plate which is positioned on the inner wall of the storage barrel main body and is used for positioning the reversing wheel;

the forceps body positioning component is used for positioning the forceps bodies, and the forceps body rotating component plays a role in driving the forceps bodies to rotate;

the number of the forceps bodies is multiple, the specifications are multiple, and the forceps bodies are used for positioning medical instruments which are not used.

8. The steam sterilizer of claim 7, wherein the tweezer body comprises a first tweezer body and a second tweezer body;

the first forceps body and the second forceps body rotate asynchronously and are clamped asynchronously.

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