CN111482211B

CN111482211B - Biological engineering experimental equipment for preventing diffusion pollution

Info

Publication number: CN111482211B
Application number: CN202010261722.8A
Authority: CN
Inventors: 周丹华; 刘丹东; 李廷辉; 吴明映; 吴增敏
Original assignee: Xinjiang Zhongce Testing Co ltd
Current assignee: Xinjiang Zhongce Testing Co.,Ltd.
Priority date: 2020-04-04
Filing date: 2020-04-04
Publication date: 2021-05-04
Anticipated expiration: 2040-04-04
Also published as: CN111482211A

Abstract

The invention provides a biological engineering experiment device for preventing diffusion pollution, which comprises a long-neck flask, a vessel tank, a rotary chassis, a fixed-aperture blocking net, an incomplete negative pressure supporting mechanism and a high-temperature disinfection mechanism, wherein the rotary chassis is used for controlling the internal structure of the vessel tank to rotate at a certain angle, the fixed-aperture blocking net is used for preventing the long-neck flask from falling and being damaged, the incomplete negative pressure supporting mechanism is used for supporting the long-neck flask, and the high-temperature disinfection mechanism is used for carrying out high-temperature disinfection on the interior of. This prevent biological engineering experimental facilities of diffusion pollution improves through flask disinfecting equipment, utilize special mode to deposit the flask and disinfect, deposit and sterile mechanism complement each other, jointly to the disinfection of flask and the problem of depositing unified solution, avoid the pollution diffusion problem that both coexistence produced, thereby effectual solved general disinfecting equipment for biological engineering easy because the upper and lower position overlaps and support contact container inner wall and cause the pollution diffusion of different reasons when using, and the problem that current equipment space utilization is low.

Description

Biological engineering experimental equipment for preventing diffusion pollution

Technical Field

The invention relates to the technical field of bioengineering, in particular to a biological engineering experimental facility for preventing diffusion pollution.

Background

The bioengineering includes four technical systems of gene engineering, cell engineering, enzyme engineering and fermentation engineering, the above technical systems are interdependent and complementary, and the gene engineering is taken as the leading factor, and DNA recombination technology, cell fusion technology, cell mass culture technology, bioreactor technology, artificial modification and artificial synthesis technology of enzyme and protein, field of non-gene operation type organism direct utilization technology and the like are formed, in the bioengineering experiment process, experimental devices such as flasks, droppers and the like are needed to be used, and the experimental devices need to be cleaned and disinfected after being used, so as to avoid pollution diffusion caused by repeated use, but the prior flasks have mutual gas flow strings among the flasks during disinfection, so that the pollution diffusion between flasks with different purposes is caused, and in order to avoid the occurrence of the pollution diffusion, the common mode is to use droppers, enzymes and proteins with different purposes, The flask etc. is hanging with different shelves and is disinfecting, and can not make flask and burette position overlap from top to bottom when hanging, otherwise the dropping liquid equally can the diffusion pollution in the disinfection, area is big not only, and there is the disinfection dead angle than the contact in branch and the container of hanging, the disinfection of different batches exists the pollution diffusion risk of secondary infection easily, general disinfection equipment for bioengineering is easy when using because the pollution diffusion of position overlap from top to bottom and support contact container inner wall and cause different reasons, and current equipment space utilization is low, so need a biological engineering experimental facilities who prevents the diffusion pollution.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a biological engineering experimental device for preventing diffusion pollution, which solves the problems that the common disinfection device for biological engineering is easy to cause pollution diffusion of different reasons due to the fact that the upper position and the lower position are overlapped and a bracket contacts the inner wall of a container when in use, and the space utilization rate of the existing device is low.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a biological engineering experimental facilities of anti-diffusion pollution, includes long neck flask, household utensils jar, is used for controlling household utensils jar inner structure and is the rotatory chassis of certain angle rotation, is used for preventing that the long neck flask from dropping the fixed aperture block of damage, is used for supporting the incomplete negative pressure supporting mechanism of long neck flask and is used for the high temperature disinfection mechanism to the inside high temperature disinfection of flask, the bottom fixedly connected with supporting leg of household utensils jar, rotatory chassis and household utensils jar inner diapire sliding connection, the fixed aperture block the surface of net and the inner wall fixed connection of household utensils jar, it is located rotatory chassis directly over to decide the aperture block, incomplete negative pressure supporting mechanism and high temperature disinfection mechanism all set up on the household utensils jar.

Preferably, the incomplete negative pressure supporting mechanism comprises an air pump, a negative suction supporting pipe, a plurality of plastic corrugated supporting pipes, a plurality of supporting trays corresponding to the plastic corrugated supporting pipes one by one, the surface of the negative suction supporting pipe is fixedly connected with the surface of a rotating chassis, a sealing gasket is arranged between the negative suction supporting pipe and the connecting position of the rotating chassis, one end of the negative suction supporting pipe penetrates through and extends to the bottom of a vessel tank, the air pump is fixedly installed on the vessel tank, the air inlet end of the air pump is sleeved with the air suction pipe, one end of the air suction pipe is sleeved with one end of the negative suction supporting pipe in a sealing manner, the exhaust end of the air pump is sleeved with an exhaust pipe, the plastic corrugated supporting pipe is fixedly connected onto the negative suction supporting pipe, the plastic corrugated supporting pipe is communicated with the inside of the negative suction supporting pipe, and the plastic corrugated supporting pipe is made of metal steel wires and rubber, the plastic ripple stay tube is inlayed by the metal steel wire and is made inside the rubber tube, sets up the gas-liquid that plastic ripple stay tube on the one hand is produced in order to suck the air and disinfect the back through plastic ripple stay tube, and on the other hand is in order to adjust the shape and the position of plastic ripple stay tube wantonly, makes things convenient for the spatial position between the flask to adjust.

Preferably, the surface of support tray is circular form, the middle part of support tray is sunken form, the through-hole has been seted up at the center of support tray, the one end of plastic ripple stay tube cup joints with the inner wall of through-hole, the fixed surface of support tray is connected with a plurality of clearance rubber ball, a plurality of the clearance rubber ball is the circumference with the center of supporting the tray and distributes as the centre of a circle, the arc groove of taking has been seted up on the surface of clearance rubber ball, the inner diapire that the arc took the groove is outstanding arc form, the lateral wall that the arc took the groove is the arc shape, the one end of longneck flask is taken the inner wall of groove with the arc and is pegged graft and set up the arc and take the inslot wall to be outstanding arc form and is the flow away of the hydrops that produces for.

Preferably, high temperature disinfection mechanism includes steam generator, steam delivery hose, well flow insulating tube, a plurality of and the steam delivery branch pipe, connecting block, glass pipe, air discharge ball and the hollow rubber ball of plastic ripple stay tube one-to-one, steam generator fixed mounting is on the household utensils jar, steam generator's surface has cup jointed steam delivery hose, the interior roof fixed connection of stay tube is inhaled with the burden to the top of well flow insulating tube, steam delivery tube's one end is run through the burden and is inhaled the stay tube and extend to the inside of well flow stay tube, steam delivery branch pipe's one end cup joints with the surface of well flow stay tube, steam delivery branch pipe's the other end extends to the surface of supporting tray through plastic ripple stay tube.

Preferably, the surface of connecting block and the inner wall fixed connection of through-hole, the surface of glass pipe and the fixed surface of connecting block are connected, the one end of branch pipe is carried to the steam cup joints with the one end of glass pipe, the surface of air discharge ball is netted, hollow rubber ball is located the inside of air discharge ball, the diameter of hollow rubber ball is greater than the orificial diameter of glass pipe, and it is the one end of shutoff glass pipe in time for the convenience to set up hollow rubber ball, and the gas-liquid of avoiding disinfecting leads to the fact the diffusion pollution through the glass pipe backward flow.

Preferably, the rotating base plate can rotate one hundred eighty degrees leftwards and rightwards at the bottom of the vessel tank, the surface of the rotating base plate is in an inverted triangle shape, and the rotating base plate is arranged to facilitate the rotation of the negative suction supporting tube, so that the long-neck flask in any position can be taken conveniently.

Preferably, the maximum aperture of deciding the aperture block is less than long neck flask top maximum diameter, the fixed surface connection who inhales the stay tube with the burden is decided the surface of aperture block, the material of deciding the aperture block includes the nylon rope, decide the aperture block and still be lax state after rotatory one hundred eighty degrees on rotatory chassis, set up and decide the aperture block and be in order to catch the unexpected flask that drops, avoid the flask to damage, the aperture is great simultaneously in order to avoid the flask to fall the bounce collision after.

Preferably, the top of household utensils jar is provided with uncovered, open inner wall fixedly connected with filter screen, the surface of household utensils jar articulates there is the sealing door, the fixed surface of sealing door installs the padlock, the fixed surface of sealing door is passed through the padlock and is connected with the fixed surface of household utensils jar, sets up uncovered at the top of household utensils jar and is in order to make the air current from the top downward flow, and convenient no difference carries out the air current supply to the long-neck flask, also avoids the long-neck flask to receive the influence of slope air current and takes place to empty, sets up the filter screen and is in avoiding the foreign matter to enter into the household utensils jar from the top, sets up the operating door and is for conveniently operating household utensils jar internal work.

(III) advantageous effects

(1) According to the invention, by arranging the incomplete negative pressure mechanism, a plurality of flasks are firmly fixed at a fixed position during disinfection by utilizing the pressure difference caused by rapid flow of air flow in a narrow space, and meanwhile, accumulated liquid and even gas generated by disinfection are directly and independently absorbed and gathered by utilizing the rapid flow of air flow for emission treatment, so that secondary diffusion pollution of water vapor generated after the flasks are disinfected is avoided, the flasks can be repeatedly met up and down, the position gaps among the flasks can be relatively reduced, and the utilization rate of the space is greatly improved.

(2) The high-temperature disinfection device is provided with the high-temperature disinfection mechanism, the high-temperature disinfection mechanism achieves the effect of disinfecting without contacting the inner wall of the flask on the basis of the incomplete negative pressure mechanism, steam has no dead angle and comprehensively disinfects the interior of the flask at high temperature, the rising ejection force generated by the steam is weakened and offset by the negative suction force, the flask is still stable and cannot collide with each other during disinfection, the steam ejection positions before and after disinfection are switched between closed and open, the steam is automatically opened during disinfection, the steam is immediately closed when the steam is weakened during non-disinfection, and the condition that gas and liquid are mixed into a pipeline after disinfection to cause pollution diffusion is completely avoided.

(3) According to the invention, the gap rubber balls are arranged, so that on one hand, the effect of supporting the annular flask can be achieved under the combined action of the gap rubber balls, the angles are mutually restrained by the gap rubber balls and are firm, the annular flask is not easy to fall off, and meanwhile, gaps among the gap rubber balls are compensated by fast passing negative pressure airflow, so that the long-neck flask can be stably supported.

(4) According to the invention, the flask disinfection equipment is improved, the flasks are stored and disinfected in a special mode, the storage and disinfection mechanisms are supplemented, the disinfection and storage problems of the flasks are uniformly solved, and the pollution diffusion problem caused by coexistence of the two is avoided, so that the problems that the common disinfection equipment for the biological engineering is easy to cause pollution diffusion of different reasons due to overlapping of the upper position and the lower position and contact of the support with the inner wall of the container when in use, and the space utilization rate of the conventional equipment is low are effectively solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the construction of the canister of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2;

FIG. 4 is a top view of the support tray structure of the present invention;

FIG. 5 is a front view of the structure of the gap rubber ball of the present invention.

Wherein, 1 long-neck flask, 2 ware pots, 3 rotating chassis, 4 fixed aperture blocking nets, 5 incomplete negative pressure supporting mechanisms, 51 air extracting pumps, 52 negative absorbing supporting pipes, 53 plastic corrugated supporting pipes, 54 supporting trays, 55 exhaust pipes, 56 through holes, 57 gap rubber balls, 58 arc-shaped grooves, 59 air extracting pipes, 6 high-temperature sterilizing mechanisms, 61 steam generators, 62 steam conveying hoses, 63 medium-flow heat-preserving pipes, 64 steam conveying branch pipes, 65 connecting blocks, 66 glass pipes, 67 air exhausting balls, 68 hollow rubber balls, 7 supporting legs, 8 openings, 9 filter screens, 10 sealing doors and 11 lock catches.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-5, the embodiment of the present invention provides a biological engineering experimental device for preventing diffusion pollution, which comprises a biological engineering experimental device for preventing diffusion pollution, including a long-neck flask 1, a vessel tank 2, a rotary chassis 3 for controlling the internal structure of the vessel tank 2 to rotate at a certain angle, a fixed aperture blocking net 4 for preventing the long-neck flask 1 from falling and being damaged, an incomplete negative pressure supporting mechanism 5 for supporting the long-neck flask 1, and a high temperature sterilizing mechanism 6 for sterilizing the interior of the flask at a high temperature, wherein the bottom of the vessel tank 2 is fixedly connected with a supporting leg 7, the rotary chassis 3 is slidably connected with the inner bottom wall of the vessel tank 2, the surface of the fixed aperture blocking net 4 is fixedly connected with the inner wall of the vessel tank 2, the fixed aperture blocking net 4 is positioned right above the rotary chassis 3, the incomplete negative pressure supporting mechanism 5 and the high temperature sterilizing mechanism 6 are both arranged on the vessel tank 2, rotatory chassis 3 can be left and rotate one hundred eighty degrees right in the bottom of household utensils jar 2, and the surface of rotatory chassis 3 is the shape of falling triangle-shaped, and the top of household utensils jar 2 is provided with uncovered 8, and the inner wall fixedly connected with filter screen 9 of uncovered 8, and the surface of household utensils jar 2 articulates there is sealing door 10, and the fixed surface of sealing door 10 installs padlock 11, and the fixed surface of padlock 11 and household utensils jar 2 is passed through on sealing door 10's surface is connected.

The incomplete negative pressure supporting mechanism 5 comprises an air suction pump 51, a negative suction supporting pipe 52, a plurality of plastic corrugated supporting pipes 53 and a plurality of supporting trays 54 which correspond to the plastic corrugated supporting pipes 53 one by one, the surface of the negative suction supporting pipe 52 is fixedly connected with the surface of the rotating chassis 3, a sealing gasket is arranged between the connection part of the negative suction supporting pipe 52 and the rotating chassis 3, one end of the negative suction supporting pipe 52 penetrates through and extends to the bottom of the vessel tank 2, the air suction pump 51 is fixedly installed on the vessel tank 2, an air suction pipe 59 is sleeved at the air inlet end of the air suction pump 51, one end of the air suction pipe 59 is sleeved with one end of the negative suction supporting pipe 52 in a sealing manner, an exhaust pipe 55 is sleeved at the exhaust end of the air suction pump 51, the plastic corrugated supporting pipe 53 is fixedly connected to the negative suction supporting pipe 52, the plastic corrugated supporting pipe 53 is communicated with the inside of the negative suction supporting pipe, the plastic corrugated supporting pipe 53 is made by inlaying a metal steel wire in the rubber pipe, the surface of the supporting tray 54 is circular, the middle part of the supporting tray 54 is concave, the center of the supporting tray 54 is provided with a through hole 56, one end of the plastic corrugated supporting pipe 53 is sleeved with the inner wall of the through hole 56, the surface of the supporting tray 54 is fixedly connected with a plurality of gap rubber balls 57, the plurality of gap rubber balls 57 are circumferentially distributed by taking the center of the supporting tray 54 as a circle center, the surface of the gap rubber balls 57 is provided with an arc-shaped lapping groove 58, the inner bottom wall of the arc-shaped lapping groove 58 is in a protruding arc shape, the side wall of the arc-shaped lapping groove 58 is in an arc shape, one end of the long-neck flask 1 is spliced with the inner wall of the arc-shaped lapping groove 58, the maximum aperture of the fixed-aperture blocking net 4 is smaller than the maximum diameter of the top of the long-neck flask 1, the surface of the fixed-aperture blocking net, the fixed aperture blocking net 4 is still in a loose state after the rotating chassis 3 rotates one hundred eighty degrees.

The high-temperature disinfection mechanism 6 comprises a steam generator 61, a steam conveying hose 62, a medium-flow heat preservation pipe 63, a plurality of steam conveying branch pipes 64 corresponding to the plastic corrugated support pipes 53 one by one, a connecting block 65, a glass pipe 66, an exhaust ball 67 and a hollow rubber ball 68, wherein the steam generator 61 is fixedly installed on the vessel 2, the steam conveying hose 62 is sleeved on the surface of the steam generator 61, the top of the medium-flow heat preservation pipe 63 is fixedly connected with the inner top wall of the negative suction support pipe 52, one end of the steam conveying pipe penetrates through the negative suction support pipe 52 and extends into the medium-flow support pipe, one end of the steam conveying branch pipe 64 is sleeved with the surface of the medium-flow support pipe, the other end of the steam conveying branch pipe 64 extends to the surface of the support tray 54 through the plastic corrugated support pipe 53, the surface of the connecting block 65 is fixedly connected with the inner wall of the through hole 56, the, one end of the steam conveying branch pipe 64 is sleeved with one end of the glass pipe 66, the surface of the exhaust ball 67 is net-shaped, the hollow rubber ball 68 is positioned inside the exhaust ball 67, and the diameter of the hollow rubber ball 68 is larger than that of the pipe orifice of the glass pipe 66. When in use, the power supply is connected, the sealing door 10 is opened through the lock 11, the positions of all the supporting trays 54 are adjusted by manually bending the plastic corrugated supporting pipes 53, then the long-neck flask 1 to be disinfected is placed on the adjusted supporting tray 54, the mouth of the long-neck flask 1 is inserted into the arc-shaped overlapping groove 58 of the gap rubber ball 57, then the air pump 51 is started, the air pump 51 pumps air flow through the air pumping pipe 59 and the middle-flow heat preservation pipe 63, the air flow inside the vessel tank 2 enters the interior of the vessel tank 2 through the opening 8, then enters the through holes 56 through the gaps among all the gap rubber balls 57, then enters the interior of the negative-suction supporting pipe 52 through the plastic corrugated supporting pipe 53, the steam generator 61 is started, the steam generated by the steam generator 61 enters the interior of the middle-flow heat preservation pipe 63 through the steam conveying hose 62, and then enters the interior of all the glass pipes 66 through all the steam conveying branch pipes 64, then the steam rises to blow the hollow rubber ball 68 blocked at one end of the glass tube 66, the steam is blown into the exhaust ball 67 through the glass tube 66, then the steam is diffused to each position in the long-neck flask 1 under the guiding action of each mesh, the high-temperature steam overflows and sinks to comprehensively disinfect the inside of the long-neck flask 1, the gas and liquid generated by disinfection are sucked away by the air pump 51 along with the air flow, and the sucked gas is uniformly discharged into the subsequent treatment process through the exhaust pipe 55, so that the use process of the whole biological engineering experimental equipment for preventing diffusion pollution is completed.

Claims

1. The utility model provides a biological engineering experimental facilities of diffusion pollution prevention which characterized in that: including long-necked flask (1), household utensils jar (2), be used for controlling household utensils jar (2) inner structure be certain rotatory rotation chassis (3), be used for preventing that long-necked flask (1) from dropping damage decide aperture block (4), be used for supporting incomplete negative pressure supporting mechanism (5) of long-necked flask (1) and be used for high temperature disinfection mechanism (6) to the inside high temperature disinfection of flask, the bottom fixedly connected with supporting leg (7) of household utensils jar (2), interior diapire sliding connection of rotation chassis (3) and household utensils jar (2), the surface of deciding aperture block (4) and the inner wall fixed connection of household utensils jar (2), decide aperture block (4) and be located rotation chassis (3) directly over, incomplete negative pressure supporting mechanism (5) and high temperature disinfection mechanism (6) all set up on household utensils jar (2), incomplete negative pressure supporting mechanism (5) include aspiration pump (51), The negative suction support pipe (52), the plastic corrugated support pipes (53), the support trays (54) corresponding to the plastic corrugated support pipes (53) one by one, the surface of the negative suction support pipe (52) is fixedly connected with the surface of the rotating chassis (3), a sealing gasket is arranged between the negative suction support pipe (52) and the connecting part of the rotating chassis (3), one end of the negative suction support pipe (52) penetrates through and extends to the bottom of the vessel tank (2), the air suction pump (51) is fixedly installed on the vessel tank (2), the air inlet end of the air suction pump (51) is sleeved with the air suction pipe (59), one end of the air suction pipe (59) is sleeved with one end of the negative suction support pipe (52) in a sealing manner, the air exhaust end of the air suction pump (51) is sleeved with the exhaust pipe (55), and the plastic corrugated support pipes (53) are fixedly connected on the negative suction support pipe (52), the inside intercommunication of stay tube (52) is inhaled with the burden to plastic ripple stay tube (53), the material of plastic ripple stay tube (53) includes metal steel wire and rubber, plastic ripple stay tube (53) are inlayed by metal steel wire and are made inside the rubber tube, the surface of support tray (54) is circular form, the middle part of support tray (54) is sunken form, through-hole (56) have been seted up at the center of support tray (54), the one end of plastic ripple stay tube (53) cup joints with the inner wall of through-hole (56), the fixed surface of support tray (54) is connected with a plurality of clearance rubber ball (57), a plurality of clearance rubber ball (57) are the circumference with the center of support tray (54) to be distributed as the centre of a circle, arc groove (58) are taken to the surface of clearance rubber ball (57) has been seted up, the arc inner diapire that the arc was taken groove (58) is outstanding arc form, the side wall of the arc-shaped overlapping groove (58) is in an arc shape, one end of the long-neck flask (1) is inserted into the inner wall of the arc-shaped overlapping groove (58), the high-temperature disinfection mechanism (6) comprises a steam generator (61), a steam conveying hose (62), a medium-flow heat-preserving pipe (63), a plurality of steam conveying branch pipes (64) which correspond to the plastic corrugated support pipes (53) one by one, a connecting block (65), a glass pipe (66), an exhaust ball (67) and a hollow rubber ball (68), the steam generator (61) is fixedly installed on the vessel tank (2), the steam conveying hose (62) is sleeved on the surface of the steam generator (61), the top of the medium-flow heat-preserving pipe (63) is fixedly connected with the inner top wall of the negative suction support pipe (52), one end of the steam conveying pipe penetrates through the negative suction support pipe (52) and extends into the medium-flow support pipe, one end of the steam conveying branch pipe (64) is sleeved with the surface of, the other end of the steam delivery branch pipe (64) extends to the surface of the supporting tray (54) through a plastic corrugated supporting pipe (53).

2. The bioengineering experimental facility for preventing diffusion pollution according to claim 1, wherein: the surface of connecting block (65) and the inner wall fixed connection of through-hole (56), the surface of glass pipe (66) and the fixed surface of connecting block (65) are connected, the one end of branch pipe (64) is carried to the steam and the one end of glass pipe (66) is cup jointed, the surface of air discharge ball (67) and the one end of glass pipe (66) are cup jointed, the surface of air discharge ball (67) is netted, hollow rubber ball (68) are located the inside of air discharge ball (67), the diameter of hollow rubber ball (68) is greater than the orificial diameter of glass pipe (66).

3. The bioengineering experimental facility for preventing diffusion pollution according to claim 2, wherein: the rotary chassis (3) can rotate one hundred eighty degrees leftwards and rightwards at the bottom of the vessel tank (2), and the surface of the rotary chassis (3) is in an inverted triangle shape.

4. The bioengineering experimental facility for preventing diffusion pollution according to claim 3, wherein: the maximum aperture of the fixed-aperture blocking net (4) is smaller than the maximum diameter of the top of the long-neck flask (1), the surface of the fixed-aperture blocking net (4) is fixedly connected with the surface of the negative suction supporting tube (52), the fixed-aperture blocking net (4) is made of nylon ropes, and the fixed-aperture blocking net (4) is still in a loose state after the rotating chassis (3) rotates by one hundred eighty degrees.

5. The bioengineering experimental facility for preventing diffusion pollution according to claim 4, wherein: the top of household utensils jar (2) is provided with uncovered (8), inner wall fixedly connected with filter screen (9) of uncovered (8), the surface of household utensils jar (2) articulates there is sealing door (10), the fixed surface of sealing door (10) installs padlock (11), the fixed surface of surface through padlock (11) of sealing door (10) is connected with the fixed surface of household utensils jar (2).