CN112755227A - Pressure steam sterilizer with thorough sterilization - Google Patents

Abstract

The invention discloses a pressure steam sterilizer with thorough sterilization, which comprises a sterilizer body, wherein the sterilizer body comprises a sterilization barrel for containing sterilized materials, a stirring device is arranged in the sterilization barrel, the stirring device is used for stirring liquid in the sterilization barrel, a stirring driving device is arranged on the outer side of the bottom of the sterilization barrel, the stirring driving device comprises a magnetic component, and a magnetic line of force of the magnetic component penetrates through the sterilization barrel to drive the stirring device to stir; according to the pressure steam sterilizer, the sterilizing liquid is stirred, so that the sterilizing liquid at each position in the sterilizing barrel is consistent in temperature, the sterilizing effect is achieved at each position, and the sterilizing dead angle is eliminated.

Description

Pressure steam sterilizer with thorough sterilization

Technical Field

The invention belongs to the field of steam sterilizers, and particularly relates to a pressure steam sterilizer capable of thoroughly sterilizing.

Background

The sterilizer is a full-automatic sterilizing device which can rapidly and reliably sterilize articles by utilizing pressure saturated steam and is suitable for units of medical health, scientific research, agriculture and the like; the sterilizing agent is used for sterilizing medical instruments, dressings, glassware, solution culture medium and the like, is also suitable for being used as food steaming equipment and enterprises and public institutions in plateau areas to prepare high-quality drinking water, and can also be used as high-temperature steam source equipment.

The pressure steam sterilizer used in the market at present heats water to a steam state in a closed container, and sterilizes liquid or solid by using high-temperature pressure saturated steam. Conventional pressure steam sterilizers typically have several disadvantages:

firstly, because the inner layer and the outer layer of the liquid to be sterilized, which is placed in the container during heating, are heated unevenly, especially the temperature of the central area of the large-capacity inner barrel cannot reach the sterilization temperature, the sterilization is not thorough, and sterilization dead angles exist;

secondly, air in the sterilization container can not be emptied well during sterilization, and secondary pollution can be caused by residual air and pollution sources such as dust, virus and the like in the residual air, so that the sterilization effect is influenced;

thirdly, when the cover of the sterilization container is opened to extract the liquid, air enters the sterilization container and the sterilization liquid to cause secondary pollution of the liquid;

fourthly, although the reaction kettle similar to the sterilization container has a stirring function, the opening of the container is very small, the cleaning is difficult, and the heater and the pot body are separated and need to be connected by a pipeline, so that the heat loss is large, and the occupied area is also large.

Disclosure of Invention

The invention aims to provide a pressure steam sterilizer with thorough sterilization, which can realize the temperature consistency of sterilization liquid at each position in a sterilization barrel by stirring the sterilization liquid, achieve the sterilization effect at each position and eliminate the sterilization dead angle.

The invention provides a pressure steam sterilizer with thorough sterilization, which comprises a sterilizer body, wherein the sterilizer body comprises a sterilization barrel for containing sterilized materials, a stirring device is arranged in the sterilization barrel and is used for stirring liquid in the sterilization barrel, a stirring driving device is arranged on the outer side of the bottom of the sterilization barrel and comprises a magnetic component, and magnetic lines of force of the magnetic component penetrate through the sterilization barrel to drive the stirring device to stir.

Preferably, the stirring device comprises a stirring shaft and stirring blades fixed on the stirring shaft, a magnetic driving part is fixedly connected to the stirring shaft, the magnetic line of force of the magnetic component passes through the sterilization barrel to drive the magnetic driving part to rotate, and the stirring shaft and the magnetic driving part rotate synchronously.

Preferably, the magnetic driving member comprises at least two driving rods which are fixed with the stirring shaft and are symmetrically arranged, and a driven magnet fixed at the outer end part of the driving rods; the driven magnet is matched with the magnetic component and is driven by the magnetic component to rotate.

Preferably, a support is fixed on the inner bottom surface of the sterilization barrel, the stirring shaft is mounted on the support through a bearing, and the axis of the stirring shaft is overlapped with the axis of the sterilization barrel.

Preferably, a pressure-bearing barrel is sleeved outside the sterilization barrel, and a plurality of support columns are arranged on the inner bottom surface of the pressure-bearing barrel; the sterilization barrel is arranged on the supporting column, so that an accommodating space is formed between the bottom surface of the sterilization barrel and the bottom surface of the pressure-bearing barrel, and sterilization water is filled in the accommodating space; an electric heater and a water level sensor are arranged in the accommodating space;

the magnetic assembly comprises a middle magnetic part arranged in the accommodating space and an active magnetic part arranged on the outer bottom surface of the pressure-bearing barrel, and the active magnetic part is connected with a driving motor; the driving motor drives the driving magnetic part to rotate, the driving magnetic part drives the middle magnetic part to rotate through magnetic lines of force penetrating through the bottom surface of the pressure-bearing barrel, and the stirring device synchronously rotates under the action of the magnetic lines of force of the middle magnetic part.

Preferably, the middle magnetic part comprises an intermediate shaft which is coaxial with the stirring shaft and is arranged on the inner bottom surface of the pressure-bearing barrel, a first mounting rod and a second mounting rod are respectively fixed at two ends of the intermediate shaft, magnets are respectively fixed on the first mounting rod and the second mounting rod, the second mounting rod is adapted to the driving rod, and magnetic lines of force of the magnets on the second mounting rod pass through the bottom surface of the sterilizing barrel to drive the driven magnets to synchronously move;

the driving motor drives a rotating shaft which is coaxial with the intermediate shaft, the driving magnetic part comprises a third mounting rod fixed with the rotating shaft, the third mounting rod is matched with the first mounting rod, a driving magnet is fixed at the outer end part of the third mounting rod, and the magnetic line of force of the driving magnet penetrates through the bottom surface of the pressure-bearing barrel to drive the magnet on the first mounting rod to move synchronously.

Preferably, the sterilizer body is further provided with an emptying pipe, one end of the emptying pipe penetrates out of the side surface of the pressure-bearing barrel, and the other end of the emptying pipe extends to the position above the liquid level of the sterilization liquid contained in the sterilization barrel.

Preferably, a pipette is further arranged on the sterilizer body, one end of the pipette is arranged outside the pressure-bearing barrel, and the other end of the pipette extends to the position of the inner bottom surface of the sterilization barrel.

Preferably, the sterilizer body is further provided with an air inlet, and the air inlet is provided with an air filter and an air inlet valve.

Preferably, the sterilizer body is further provided with a barrel cover and a sealing ring for sealing the pressure-bearing barrel, and the outer wall of the pressure-bearing barrel is provided with a control box.

The pressure steam sterilizer with thorough sterilization of the technical scheme of the invention has the beneficial effects that:

1. through set up agitating unit in the sterilization bucket, realize stirring the sterile solution in the sterilization bucket, avoid ectonexine liquid to be heated unevenly, lead to inlayer liquid temperature low, reach the problem of sterilization effect or influence sterilization effect, eliminate the sterilization dead angle. Meanwhile, the problem that the sterilization liquid 28 is difficult to clean due to the fact that the sterilization liquid is precipitated and attached to the bottom surface of the sterilization barrel is effectively solved.

2. The stirring device is driven to stir through the action of the magnetic force lines of the magnetic assembly, so that the problems that the installation, the sealing and the like are influenced when the stirring shaft penetrates through the bottom surface of the sterilization barrel, the heat loss is large, the occupied area is large and the like are avoided.

3. Through setting up the evacuation pipe, realize constantly rising and get into the sterilization bucket when steam produces, will sterilize original air evacuation gradually in the bucket, avoided original air in the sterilization bucket to leave over, prevent to form the air insulating layer between upper steam and the liquid level and influence the heat transfer effect, also effectually avoided the air pollution source to leave over the problem that causes secondary pollution in the sterilization bucket simultaneously. After the air is exhausted, the internal space is completely filled with high-pressure and high-temperature saturated steam, the temperature rises along with the increase of the pressure, the temperature requirement required by sterilization is finally met, and the problem that the actual temperature of the sterilization liquid cannot reach the temperature required by the sterilization is solved.

4. Through setting up the pipette, realize directly absorbing the sterilization bucket interior liquid, need not open the bung of steriliser body, the effectual outside has got into the problem in sterilization bucket and the sterile liquid between the air of pollution sources.

Drawings

FIG. 1 is a schematic view of the external structure of a completely sterilized pressure steam sterilizer according to the present invention;

FIG. 2 is a schematic view of the internal structure of a fully sterilized pressure steam sterilizer according to the present invention;

fig. 3 is a schematic structural diagram of a stirring driving device in the technical scheme of the invention.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.

Fig. 1 is a schematic view of an external structure of a pressure steam sterilizer for thorough sterilization according to the embodiment of the present invention. This technical scheme's pressure steam sterilizer includes the sterilizer body, and the sterilizer body includes shell 2, and shell 2 realizes that pressure-bearing bucket 29 and sterilization bucket 12 are a whole through the locking of bolt 30, and simultaneously at 2 bottom installation lower margin gyro wheels of shell, the sterilizer body of being convenient for fixed and turnover transport walking etc.. The barrel cover 5 and the sealing ring 33 are arranged on the pressure-bearing barrel 29, the barrel cover 5 and the sealing ring 33 realize sealing of the opening of the pressure-bearing barrel 29, and a sealed high-pressure environment is provided for the pressure-bearing barrel 29 and the sterilization barrel 12. The label 4 is a barrel cover bolt for fixing the barrel cover 5 and the opening part of the pressure-bearing barrel 29, the barrel cover bolt is convenient for fixing and opening the barrel cover 5, the connection is reliable, the pressure-bearing capacity is strong, and the possibility of explosion flying cover or steam leakage of the sterilizer body under a high-pressure state is reduced. Switch box 3 and control box 6 have been fixed on the casing 2 outer wall, are provided with motor switch, heater switch, stirring switch, artifical air discharge switch etc. on the switch box 3, have still integrated alarm indicator, water level indicator etc. and realize a key operation and alarm indication. The controller, the signal receiver, the signal transmitter and the like are arranged in the control box 6, so that the information such as temperature and pressure extracted by the temperature sensor, the pressure sensor, the water level sensor and the like is received, and through identification and judgment, automatic control over the electric heater, the exhaust valve, the air inlet valve and the like is finally realized, and automatic control and automatic sterilization are realized. When the sterilization liquid reaches the preset sterilization temperature and sterilization time, the controller can automatically finish the sterilization work, and carry out real-time detection control on the temperature and pressure in the pressure-bearing barrel 29 and the sterilization barrel 12, on one hand, the electric heating is carried out to raise the temperature and the pressure, the sterilization is continued, and on the other hand, the stirring is carried out, so that the sterilization is more thorough without dead angles.

Fig. 1 is a schematic diagram of the internal structure of a pressure steam sterilizer for thorough sterilization according to the present invention. The technical scheme of the invention is that the pressure steam sterilizer with thorough sterilization comprises a sterilizer body, wherein the sterilizer body comprises a sterilization barrel 12 for containing sterilization objects, a pressure-bearing barrel 29 and a shell 2, the sterilization barrel 12 is arranged in the pressure-bearing barrel 29 and is locked by a bolt 30 to prevent the sterilization barrel 12 from rotating and floating, and the shell 2 wraps and fixes the sterilization barrel 12 and the pressure-bearing barrel 29.

As shown in fig. 2, a stirring device 27 is disposed in the sterilization barrel 12 according to the technical solution of the present invention, and the stirring device 27 is used for stirring the liquid (sterilization liquid or sterilized liquid) in the sterilization barrel 12, so as to avoid the problem that the liquid on the inner layer and the outer layer of the sterilization barrel 12 is heated unevenly, avoid the problem that the temperature of the liquid on the inner layer is low, avoid the problem that the sterilization effect cannot be achieved or is affected, achieve thorough sterilization, and eliminate sterilization dead angles. Meanwhile, the problem that the solubility of the sterilizing liquid is influenced by precipitation in the sterilizing liquid 28 is effectively avoided, and the problem that the precipitate is difficult to clean due to attachment to the bottom surface of the sterilizing barrel is avoided.

As shown in fig. 2, in the technical solution of the present invention, a stirring driving device is disposed at the outer side of the bottom of the sterilization barrel 12, the stirring driving device includes a magnetic component, and magnetic lines of force of the magnetic component pass through the bottom plate of the sterilization barrel 12 to drive a stirring device 27 in the sterilization barrel 12 to stir, so as to ensure that liquid at each position in the sterilization barrel 12 is uniformly heated, the temperature is uniform, and the sterilization is thorough. The stirring device 27 is provided with a magnetic part which can be attracted by the magnetic component or a part which has magnetism, and under the action of magnetic lines, the magnetic part is attracted by the magnetic component to obtain a magnetic acting force to drive the stirring device 27 to synchronously rotate so as to realize stirring. Through the setting of magnetic component for agitating unit 27 only install in sterilization bucket 12 can, agitating unit 27's (mixing) shaft 273 need not pass sterilization bucket 12, has simplified the installation, has reduced the overall structure of steriliser, has also avoided the setting of parts such as sealing member simultaneously, and is with low costs, and the fault rate is low, has avoided causing the big, the also big scheduling problem of area of calorific loss.

As shown in fig. 2, the stirring device 27 in the present embodiment includes a stirring shaft 273 and a stirring blade 272 fixed to the stirring shaft 273. The stirring shaft 273 is fixedly connected with a magnetic driving member 26, and magnetic lines of force of the magnetic assembly pass through the bottom plate of the sterilization barrel 12 to drive the magnetic driving member 26 to rotate. The agitator shaft 273 rotates in synchronism with the magnetic drive 26. The magnetism of the magnetic driving member 26 is the same as or opposite to that of the magnetic components of the stirring driving device, and the magnetic components rotate to drive the magnetic driving member 26 to rotate synchronously. The stirring shaft 273 of the stirring device 27 does not need to penetrate through the sterilization barrel 12, and a hole is not needed in the bottom of the sterilization barrel 12, so that the installation is simplified, the overall structure of the sterilizer is reduced, meanwhile, the arrangement of parts such as sealing parts is also avoided, the cost is low, the failure rate is low, and the problems of large heat loss, large occupied area and the like are avoided.

As shown in fig. 2, the magnetic driving member 26 of the present invention includes at least two driving rods 261 fixed to the stirring shaft 273 and symmetrically disposed, and a driven magnet 262 fixed to an outer end of the driving rod 261. The driven magnet 262 is adapted to the magnetic assembly and is rotated by the magnetic assembly. The driven magnet 262 magnetically attracts or repels the magnetic elements on the stirring driving device, and the magnetic elements rotate to drive the magnetic driving member 26 to rotate synchronously. The stirring shaft 273 of the stirring device 27 does not need to penetrate through the sterilization barrel 12, so that the installation is simplified, the overall structure of the sterilizer is reduced, meanwhile, the arrangement of components such as sealing parts and the like is also avoided, the cost is low, the failure rate is low, and the problems of large heat loss, large occupied area and the like are avoided.

As shown in FIG. 2, a bracket 271 is fixed on the inner bottom surface of the sterilization barrel 12, a stirring shaft 273 is mounted on the bracket 271 through a bearing, and the axis of the stirring shaft 273 is coincident with the axis of the sterilization barrel 12. The stirring shaft 273 is prevented from penetrating through the sterilization barrel 12 to influence the installation and sealing of the sterilization barrel 12, the operations such as opening holes on the sterilization barrel 12 are avoided, the integrity of the sterilization barrel 12 is ensured, and the sterilization is ensured under the high-pressure state of the sterilization barrel 12.

As shown in fig. 2, in the technical scheme of the invention, a pressure-bearing barrel 29 is sleeved outside the sterilization barrel 12, and a plurality of support columns 15 are arranged on the inner bottom surface of the pressure-bearing barrel 29. The sterilizing barrel 12 is arranged on the supporting column 15, so that an accommodating space is formed between the bottom surface of the sterilizing barrel 12 and the bottom surface of the pressure-bearing barrel 29, and sterilizing water 17 is filled in the accommodating space. An electric heater 24 and a water level sensor 16 are also provided in the accommodating space. To further ensure the stability of the sterilization bucket 12 during operation, a gasket 14 is secured to the upper ends of the support posts 15, and the sterilization bucket 12 is placed on the gasket. Meanwhile, a positioning shaft is arranged at the central part of the backing plate 14 and is matched with an upper end bearing of the magnetic part 25, so that the rotating centering stability of the magnetic part 25 is ensured.

Based on the technical scheme of the upper segment, when sterilization is carried out, enough sterilization water 17 is filled in the accommodating space, the water level sensor 16 realizes the control of the water level, and the water level sensor 16 transmits a water level signal to the controller in the control box 16, so that the normal working water level is ensured. And then, the electric heater 24 is started to heat the sterilizing water 17, the temperature of the sterilizing water 17 rises, steam is produced, the steam rises and fills the inner areas of the pressure-bearing barrel 29 and the sterilizing barrel 12, and finally enters the sterilizing barrel 12 to heat the sterilizing liquid 28 in the sterilizing barrel 12, so that the sterilizing liquid 28 is heated to a certain temperature to realize sterilization. And the sterilization liquid 28 is in direct contact with the sterilization barrel 12, and the heating steam has short path, small temperature loss and good heating effect in the process of running into the sterilization barrel 12.

As shown in fig. 2 and 3, the magnetic assembly in the technical solution of the present invention includes an intermediate magnetic member 25 disposed in the accommodating space and an active magnetic member 22 disposed on an outer bottom surface of the pressure-bearing bucket 29. The driving magnetic member 22 is connected to a speed reducer 19 and a driving motor 21. The driving motor 21 drives the driving magnetic part 22 to rotate, the driving magnetic part 22 drives the intermediate magnetic part 25 to rotate through the magnetic force lines penetrating through the bottom surface of the pressure-bearing barrel 29, and the stirring device 27 synchronously rotates under the action of the magnetic force lines of the intermediate magnetic part 25. Through the arrangement of the active magnetic part 22, the intermediate magnetic part 25 does not need to penetrate through the pressure-bearing barrel 29, so that the pressure-bearing barrel 29 is convenient to mount and seal, and the problems of leakage or sealing failure and the like during high-pressure sterilization in the pressure-bearing barrel 29 and the sterilization barrel 12 are effectively avoided.

As shown in fig. 2 and 3, the intermediate magnetic member 25 of the present invention includes an intermediate shaft 253 coaxially disposed with the stirring shaft 273 and installed on the inner bottom surface of the pressure-bearing tub 29. A first mounting rod 254 and a second mounting rod 252 are fixed to both ends of the intermediate shaft 253, respectively. The first mounting rod 254 and the second mounting rod 252 are respectively fixed with a magnet 255/251, the second mounting rod 252 is adapted to the driving rod 261, and the magnetic force line of the magnet 251 on the second mounting rod 252 passes through the bottom surface of the sterilizing tub 12 to drive the driven magnet 262 to move synchronously. The drive motor 21 drives a rotating shaft 223 disposed coaxially with the intermediate shaft 253. The driving magnetic member 22 includes a third mounting rod 222 fixed to the rotating shaft 223, the third mounting rod 222 is adapted to the first mounting rod 254 and has a driving magnet 221 fixed to an outer end thereof, and magnetic lines of force of the driving magnet 221 pass through the bottom surface of the pressure-bearing barrel 29 to drive the magnet 255 of the first mounting rod 254 to move synchronously.

In the technical scheme of the invention, the arrangement of the magnetic driving piece 26 on the stirring device 27 and the middle magnetic piece 25 and the driving magnetic piece 22 drives the stirring device 27 to rotate without direct mechanical connection and contact through the magnetic principle, the installation and connection are convenient and reliable, the operations of sealing rotating shafts and the like are avoided, the structure is simplified, and the failure rate is reduced.

As shown in FIG. 2, the sterilizer body in the technical scheme of the invention is further provided with an evacuation pipe 32, one end of the evacuation pipe 32 penetrates out of the side surface of the pressure-bearing barrel 29, and the other end of the evacuation pipe extends to the position above the liquid level of the sterilization liquid 28 contained in the sterilization barrel 12. An evacuation electromagnetic valve is arranged at the outer end of the evacuation pipe 32 and is connected with a controller to realize the operation of automatically exhausting air. After the sterilizing water 17 is heated and heated, a large amount of steam is generated, the steam rises and enters the sterilizing barrel 12, the air in the sterilizing barrel 12 is extruded downwards, the air is discharged from an opening of an emptying pipe 32 extending to the position near the liquid level in the sterilizing barrel 12, the steam is continuously generated during the heating continuous heating of the sterilizing water 17, and meanwhile, the emptying pipe 32 is closed, so that all saturated steam is in the sterilizing barrel 12, and the liquid or solid contained in the sterilizing barrel 12 is sterilized by the condition that the inner space of the sterilizing barrel 12 is completely saturated steam.

As shown in FIG. 2, in the technical scheme of the invention, the sterilizer body is also provided with a pipette 11 and a manual valve is arranged in the pipette 11, one end of the pipette 11 is arranged outside the pressure-bearing barrel 29 and is controlled to be opened and closed by the manual valve, the other end of the pipette extends to the position of the inner bottom surface of the sterilization barrel 12, and the inner bottom surface of the sterilization barrel 12 is arranged as a slope so as to conveniently suck the sterilization liquid to the greatest extent. During sterilization, the valve is manually closed to prevent steam from leaking and releasing pressure, after sterilization is completed, liquid in the sterilization barrel 12 is sucked out through the pipette 11, the pressure-bearing barrel 29 or the sterilization barrel 12 does not need to be manually opened, and secondary pollution caused by liquid contact and air entering through manual work is prevented.

As shown in fig. 2, in the technical solution of the present invention, the sterilizer body is further provided with an air inlet 9, and the air inlet 9 is provided with an air filter and an air inlet valve. In the cooling process of the sterilizer body, the steam pressure disappears, the air pressure in the sterilizer body drops, the sterilizer body is deformed due to the fact that negative pressure appears in the sterilizer body, air is introduced into the sterilizer body, the sterilization barrel 12 is polluted due to the fact that air is prevented from polluting, air is filtered through the air filter, and filtered sterile air enters the sterilizer body again.

In the cooling process of the sterilizer body, natural cooling is slow, so that a cooling device is arranged between the pressure-bearing barrel 29 and the sterilization barrel 12, the internal space and gas of the sterilizer body are cooled, and the cooling speed is accelerated. The cooling device generally comprises a cooling pipe 13 wound outside the sterilization barrel 12, and a water pump is connected to the cooling pipe 13, so that cooling water circulation is realized, and the sterilizer body is cooled. In the water cooling process, filtered air needs to be supplemented into the sterilizer body through the air inlet 9, so that the balance of the air pressure inside and outside the sterilizer body is ensured.

As shown in fig. 2, in the technical scheme of the invention, the sterilizer body is further provided with a barrel cover 5 and a sealing ring 33 for sealing the pressure-bearing barrel 29, and the outer wall of the pressure-bearing barrel 29 is provided with a control box 6. The barrel cover 5 is further provided with a safety valve 8 and an air release valve 10, the safety valve 8 is a safety protection valve, and once the steam pressure in the pressure-bearing barrel exceeds the set pressure, the pressure-bearing barrel is automatically opened to release air and release pressure. The air release valve 10 is a manual valve and can be opened manually for air release when air release is needed. The pressure-bearing barrel 29 is provided with a pressure gauge interface 31, a pressure gauge is arranged in the pressure gauge interface 31 and is communicated with the inside of the pressure-bearing barrel, real-time pressure in the pressure-bearing barrel is detected, the barrel cover 5 penetrates through the temperature sensor 7, and the temperature sensor 7 detects the temperature of liquid in the sterilization barrel 12. The bottom of the pressure-bearing barrel 29 is provided with a drain pipe 18, the outer end of the drain pipe 18 is provided with a drain pipe valve, and the drain pipe valve is a manual valve, so that accumulated water at the bottom of the pot can be drained by manually opening the valve when the container needs to be cleaned. The inner side surface of the pressure-bearing barrel 29 is provided with a bolt for fixing the sterilization barrel 12, preventing the sterilization barrel 12 from rotating and fixing the inner barrel and the pressure-bearing barrel into a whole. The control box 6 is internally provided with a pressure gauge and is communicated with the inside of the pressure-bearing barrel 29 through a pressure gauge connector 31 to realize real-time pressure detection in the pressure-bearing barrel, the barrel cover 5 penetrates through the temperature sensor 7, and the control box 6 is connected with the temperature sensor 7 to realize the detection and control of the temperature of liquid in the sterilization barrel 12. The bottom of the pressure-bearing barrel 29 is provided with a drain pipe 18, the outer end of the drain pipe 18 is provided with a drain pipe valve, and the drain pipe valve is a manual valve, so that accumulated water at the bottom of the pot can be drained by manually opening the valve when the container needs to be cleaned. The inner side surface of the pressure-bearing barrel 29 is provided with a bolt 30 for locking the sterilization barrel 12, preventing the sterilization barrel 12 from rotating and floating upwards, fixing the inner barrel and the pressure-bearing barrel into a whole, and pulling out the bolt when the sterilization barrel needs to be cleaned to take out the sterilization barrel.

Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.

Claims (10)

1. The utility model provides a pressure steam sterilizer that sterilizes thoroughly, includes the sterilizer body, the sterilizer body includes the sterilization bucket of splendid attire sterilization thing, its characterized in that, be provided with agitating unit in the sterilization bucket, agitating unit realizes stirring sterilization bucket internal liquid, the sterilization bottom of the barrel portion outside is provided with stirring drive arrangement, stirring drive arrangement is including magnetic component, magnetic component's magnetic line of force passes the sterilization bucket drives agitating unit stirs.

2. A pressure steam sterilizer capable of achieving thorough sterilization as claimed in claim 1, wherein the stirring device comprises a stirring shaft and stirring blades fixed on the stirring shaft, a magnetic driving member is fixedly connected to the stirring shaft, magnetic lines of force of the magnetic assembly pass through the sterilization barrel to drive the magnetic driving member to rotate, and the stirring shaft and the magnetic driving member rotate synchronously.

3. The pressure steam sterilizer of claim 2, wherein the magnetic driving member comprises at least two driving rods fixed to the stirring shaft and symmetrically disposed, and a driven magnet fixed to an outer end of the driving rods; the driven magnet is matched with the magnetic component and is driven by the magnetic component to rotate.

4. A fully sterilized pressure steam sterilizer as claimed in claim 3, wherein a support is fixed on the inner bottom surface of the sterilization barrel, the stirring shaft is mounted on the support through a bearing, and the axis of the stirring shaft is coincident with the axis of the sterilization barrel.

5. The pressure steam sterilizer capable of realizing thorough sterilization according to claim 1, wherein a pressure-bearing barrel is sleeved outside the sterilization barrel, and a plurality of support columns are arranged on the inner bottom surface of the pressure-bearing barrel; the sterilization barrel is arranged on the supporting column, so that an accommodating space is formed between the bottom surface of the sterilization barrel and the bottom surface of the pressure-bearing barrel, and sterilization water is filled in the accommodating space; an electric heater and a water level sensor are arranged in the accommodating space;

the magnetic assembly comprises a middle magnetic part arranged in the accommodating space and an active magnetic part arranged on the outer bottom surface of the pressure-bearing barrel, and the active magnetic part is connected with a driving motor; the driving motor drives the driving magnetic part to rotate, the driving magnetic part drives the middle magnetic part to rotate through magnetic lines of force penetrating through the bottom surface of the pressure-bearing barrel, and the stirring device synchronously rotates under the action of the magnetic lines of force of the middle magnetic part.

6. The pressure steam sterilizer capable of achieving thorough sterilization according to claim 5, wherein the intermediate magnetic member comprises an intermediate shaft which is coaxially arranged with the stirring shaft and is mounted on the inner bottom surface of the pressure-bearing barrel, a first mounting rod and a second mounting rod are respectively fixed at two ends of the intermediate shaft, magnets are respectively fixed on the first mounting rod and the second mounting rod, the second mounting rod is adapted to the driving rod, and magnetic lines of force of the magnets on the second mounting rod pass through the bottom surface of the sterilization barrel to drive the driven magnets to move synchronously;

the driving motor drives a rotating shaft which is coaxial with the intermediate shaft, the driving magnetic part comprises a third mounting rod fixed with the rotating shaft, the third mounting rod is matched with the first mounting rod, a driving magnet is fixed at the outer end part of the third mounting rod, and the magnetic line of force of the driving magnet penetrates through the bottom surface of the pressure-bearing barrel to drive the magnet on the first mounting rod to move synchronously.

7. A pressure steam sterilizer capable of achieving thorough sterilization according to claim 1, wherein an evacuation pipe is further arranged on the sterilizer body, one end of the evacuation pipe penetrates out of the side surface of the pressure-bearing barrel, and the other end of the evacuation pipe extends to a position above the liquid level of the sterilization liquid contained in the sterilization barrel.

8. A pressure steam sterilizer for thorough sterilization according to claim 1, wherein the sterilizer body is further provided with a pipette, one end of which is disposed outside the pressure-bearing barrel and the other end of which extends to the position of the inner bottom surface of the sterilization barrel.

9. A fully sterilized pressure steam sterilizer as claimed in claim 1, wherein the sterilizer body is further provided with an air inlet, and the air inlet is provided with an air filter and an air inlet valve.

10. A pressure steam sterilizer capable of realizing thorough sterilization according to claim 1, wherein the sterilizer body is further provided with a barrel cover and a sealing ring for sealing the pressure-bearing barrel, and the outer wall of the pressure-bearing barrel is provided with a control box.

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