CN212308619U - Double-layer humidifying bottle - Google Patents

Abstract

The utility model relates to the field of medical equipment, and discloses a double-layer humidifying bottle, which comprises an outer bottle, an outer cover, an inner bottle and an inner cover, wherein the inner cover is inserted with the inner bottle and is in interference fit with the inner bottle; the inner cover is provided with a disposable oxygen guide pipe matched with the flow valve, and when the outer cover is closed with the outer bottle, the top end of the oxygen guide pipe is inserted with the flow valve; the inner bottle can be separated from the inner cap by squeezing. The sealing performance is excellent, the replacement of the disposable component is convenient and quick, and the bacterial pollution and the cross infection are effectively avoided.

Description

Double-layer humidifying bottle

Technical Field

The utility model relates to the field of medical equipment, particularly, relate to a double-deck humidifying bottle.

Background

The wall type float oxygen inhalator used by the central oxygen supply terminal of the hospital is a basic oxygen supply device of the hospital, is generally applied to the first-aid oxygen supply and humidification oxygen therapy of the inpatients at present, and has the advantages of low cost, simple and convenient operation, more departments for using and large dosage. The bacteria can enter the humidifying bottle along with the air or the humidifying liquid to be rapidly propagated in the oxygen-enriched environment in the humid humidifying bottle because the bacteria are not fermented, such as escherichia coli, salmonella, staphylococcus aureus, pseudomonas aeruginosa, mould fungi and the like which are widely existed in the air and water in the nature, or because the air in a hospital ward is not sufficiently sterilized, or because a central oxygen supply pipeline and a joint are polluted, or because the injected humidifying liquid does not meet the regulations, or because the sterilizing flow and the assembling operation of the oxygen inhaler are not standardized. Medical oxygen entering from the central oxygen supply terminal can form granular infectious aerosol through polluted humidification liquid, and after a patient inhales the infected humidification liquid, respiratory tract infection is extremely easily caused in an air passage, so that the patient is aggravated. The research of 'investigation and effective control of the bacterial pollution condition of a medical oxygen humidification bottle' by the book Zhongzhen et al shows that the bacterial pollution rate reaches 18.0% when the humidification bottle and the humidification tube which are not used after being sterilized are stored for a plurality of days and is detected after being used by a patient, and the bacterial pollution rate is as high as 82.5%. Therefore, irregular storage and humidification bottles and humidifying tubes used by patients can be the most main carriers polluted by non-fermentation germs, and the respiratory tract infection of the patients in hospitals caused by hospital environment and medical instruments is a great hidden danger of hospital infection. Therefore, the disinfection and management of the humidification bottle of the oxygen inhaler is a non-negligible important link for preventing hospital acquired infections.

In order to ensure the safe use of the float type oxygen inhalator in clinical treatment, the sanitation department requires that the humidifying bottle and the humidifying pipe used by the float type oxygen inhalator must be strictly disinfected every day, and the oxygen inhalation pipeline and external appliances used by a patient are used once by one person, so that the cross infection is effectively avoided. For repeated application of humidification bottles, at present, no unified disinfection management method exists in China, and the method generally adopts the following steps: (1) and soaking and disinfecting with a disinfectant. Long treatment time, low efficiency and inconvenient drying and storage of the humidified bottle after disinfection. (2) And (5) sterilizing by using ethylene oxide. The special disinfection equipment is expensive, certain residues are left in the bottle after disinfection, and water scale in the bottle is difficult to completely remove. (3) And (5) autoclaving. The central supply room is required to be used for unified disinfection, the flow is long, the cost is high, and the sterile storage period of the disinfected humidification bottle is still short.

In view of the above problems, application No.: CN201310050524.7, entitled "humidification bottle for disposable inner cup" provides a device for solving the problems, which can effectively process and improve the technical problems and provides a humidification bottle for disposable inner cup, which is in line with hospital sterilization standards, simple structure, low cost, convenient operation and can ensure that oxygen humidification and humidification oxygen output are completely sterile and is specially used for a float type oxygen inhalator.

The humidification bottle proposed in the patent still has the following problems when in use:

1. the inner bottle and the inner cover adopt a split design, the sealing performance between the inner bottle and the inner cover needs to be enhanced by means of sealing elements such as a silica gel pad and the like, the structural integrity is not ideal, and the inner bottle and the inner cover are in a mutually separated state without external force action, so that the sealing of the inner bottle cannot be maintained all the time;

2. the disposable humidifying pipe is directly connected with the flow valve, and medical care personnel need to pull out and replace the humidifying pipe by hands during replacement, so that bacterial pollution and cross infection are easily caused;

3. the operation of changing water is extremely inconvenient in the use process, the disassembly and assembly operation is complex and slow, and partial assemblies are easy to fall off, so that the risk of bacterial pollution and cross infection is caused.

The present application is made in view of this feature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-deck humidifying bottle, its sealing performance is outstanding, and convenient and fast when changing water and changing disposable assembly effectively avoids bacterial contamination and cross infection.

The embodiment of the application is realized by the following technical scheme:

a double-layer humidifying bottle comprises an outer bottle, an outer cover, an inner bottle and an inner cover, wherein the top of the outer cover is connected with a flow valve, the inner cover is inserted into the inner bottle and in interference fit with the inner bottle, and when the outer cover is combined with the outer bottle, the inner cover is tightly inserted into the inner bottle; the inner cover is provided with an oxygen guide pipe matched with the flow valve, and when the outer cover is covered with the outer bottle and connected with the flow valve, the top end of the oxygen guide pipe is tightly inserted with the flow valve; the inner bottle is separated from the inner cap by squeezing.

Furthermore, the inner side wall of the inner bottle mouth is in a conical surface arrangement, and the outer side wall of the inner cover opening is in an interference fit with the inner side wall of the inner bottle mouth.

Furthermore, the bottle mouth of the inner bottle extends outwards to form a supporting edge, and the supporting edge is erected on the bottle mouth of the outer bottle.

Furthermore, the inner cap is provided with a pressing edge matched with the supporting edge, and when the pressing edge abuts against the supporting edge, the inner cap is tightly inserted into the inner bottle.

Further, the inner cup top is equipped with spacing indent, the enclosing cover bottom is equipped with the spacing clamping ring that corresponds with spacing indent, works as the enclosing cover is fashionable with the outer bottle lid, spacing clamping ring compresses tightly with spacing indent.

Furthermore, the inner side of the bottom of the outer bottle is provided with a limiting boss, and the bottom of the inner bottle is provided with a limiting groove matched with the limiting boss.

Further, the vertical location section of thick bamboo that is equipped with in inner cup top center, the vertical oxygen guide pipe that sets up in location section of thick bamboo center, the vertical connecting cylinder that is equipped with in outer cover top center, the connecting cylinder lateral wall connects soon with the flow valve through the screw thread, the internal diameter of connecting cylinder and the external diameter phase-match of a location section of thick bamboo, connecting cylinder inner wall top is the inside extension forms annular card edge, annular card edge and the inside wall chucking at location section of thick bamboo top.

Further, enclosing cover and outer bottle close through connecing the mechanism lid soon, connect the mechanism soon and include a plurality of cyclic annular evenly locate the protruding edge of outer bottle lateral wall to and a plurality of cyclic annular evenly locate the lug of enclosing cover inside wall, work as when lug and protruding edge lock joint, the enclosing cover compresses tightly with the inner cup.

Further, when being provided with interior bottle in the outer bottle, and the enclosing cover closes the contact with outer bottle lid, the top side of lug is a little higher than the bottom side on protruding edge, the end of screwing in on protruding edge even has the guide edge, and the guide is along keeping away from the slope of one end on protruding edge to outer bottle bottleneck direction.

The utility model provides a pair of double-deck humidifying bottle's beneficial effect is:

(1) the inner cover and the inner bottle are arranged to be in plug-in connection, the sealing performance of the joint of the inner wall and the outer wall is improved by means of the coincidence of the inner wall and the outer wall, and the plug-in connection is in interference fit, so that the inner wall and the outer wall of the plug-in connection are mutually extruded, the sealing performance is further improved on one hand, the sealing performance of the joint of the inner cover and the outer wall can be guaranteed without using a silica gel pad, on the other hand, the inner cover and the inner bottle are relatively fixed through friction force formed by extrusion, the inner cover and the inner bottle are connected into a whole, separation of subjective intention of non-operators in the using process is prevented;

(2) through the arrangement of the reusable outer cover and the reusable outer bottle, on one hand, the cost is reduced, on the other hand, the inner bottle and the inner cover can be sealed, and the noise generated by gas impact in the inner bottle is reduced;

(3) the oxygen guide pipe is connected with the inner cover, and when the outer cover is combined with the outer cover, the oxygen guide pipe is tightly inserted with the flow valve, so that the double-layer humidifying bottle is in the state, after the outer bottle is separated from the outer cover by an operator, the inner cover is tightly inserted with the flow valve through the oxygen guide pipe, the inner bottle is tightly inserted with the inner cover, and the outer cover is connected with the flow valve, so that the state that only the outer bottle is detached is realized, the condition that a plurality of parts are simultaneously separated is avoided, the hand contact with the plurality of parts during detachment is effectively avoided, the falling of part of the parts during detachment is effectively prevented, the detachment speed and the difficulty are optimized, and meanwhile, bacterial infection and cross infection are effectively avoided;

(4) the inner bottle is set to be a bottle body with the characteristic of being capable of being extruded and deformed, the bottle mouth of the inner bottle is deformed by extruding the inner bottle, and the splicing strength of the splicing part of the bottle mouth of the inner bottle and the inner cover is reduced, so that the inner bottle can be separated from the inner cover by extruding the inner bottle, and the operation of changing water is convenient for operators to realize; meanwhile, the inner bottle and the inner cover are tightly inserted in an interference fit insertion manner, and the connection strength between the inner bottle and the inner cover is far greater than the insertion strength between the oxygen guide pipe and the flow valve, so that an operator can pull the inner bottle to separate the inner bottle together with the inner cover and the oxygen guide pipe from the flow valve, and the integrated disassembly and discarding of the disposable inner bottle, the inner cover and the oxygen guide pipe can be conveniently and quickly realized after the oxygen inhalation is finished;

(5) the inner bottle and the inner cover are arranged in a conical surface inserting manner, on one hand, the self-locking property of the conical surface during the matching and pressing can be utilized, so that the inner cover and the inner bottle have stronger sealing performance after being tightly inserted, a silica gel pad is avoided for auxiliary sealing, the inner bottle and the inner cover can be tightly inserted into a whole by arranging the conical surface in interference fit, and in addition, when the inner bottle is extruded, the design of the conical surface can facilitate the deformation of the bottle mouth of the inner bottle, and the inner bottle and the inner cover after being extruded can be separated to a great extent;

(6) the supporting edge is arranged to effectively support the bottle mouth of the inner bottle, and the pressure applied by the inner cover is uniformly distributed on the whole supporting edge, so that the deformation of the bottle mouth of the inner bottle is avoided, the extrusion force of the inner bottle bottom of the outer bottle can be converted into the extrusion force of the bottle mouth of the outer bottle to the bottom side of the supporting edge, the extrusion deformation of the inner bottle is effectively prevented, and the inner bottle is prevented from deforming and separating from the inner cover due to the bottom extrusion;

(7) the pressing edge is arranged, so that the insertion depth of the inner cover is limited on one hand, and the supporting edge is clamped by matching with the mouth of the outer bottle on the other hand, and the inner bottle is prevented from being extruded and deformed;

(8) by arranging the limiting pressure groove and the limiting pressure ring, the compression of the inner cover is realized, the radial limitation of the inner cover is also realized, the inner cover is effectively fixed, and the oxygen guide pipe arranged on the inner cover is accurately inserted into the corresponding position of the flow valve; the inner bottle bottom is radially limited by the limiting lug boss and the limiting groove, so that the oxygen guide pipe and the flow valve are indirectly accurately inserted, and on the other hand, after the inner bottle is detached and water is changed, the inner bottle can be automatically positioned only by being placed into the outer bottle, and then the outer bottle is covered with the outer cover, so that the operation is convenient, and the butt joint is accurate;

(9) the outer cover and the flow valve are connected in a screwed mode through the connecting cylinder, the outer cover and the flow valve are fixed relatively and are connected into a whole, the oxygen guide pipe is accurately positioned through the positioning cylinder and the connecting cylinder, the annular clamping edge is arranged, the inner side wall of the connecting cylinder is matched with the inner side wall of the positioning cylinder to clamp the inner side wall and the outer side wall of the positioning cylinder and limit the inner side wall and the outer side wall of the connecting cylinder, and therefore the positioning accuracy of the oxygen guide pipe is further improved, and the oxygen guide pipe is connected with the flow valve in an inserted mode;

(10) the quick screwing connection of the outer cover and the outer bottle is realized by arranging the plurality of convex edges and the plurality of convex blocks which are included by the quick screwing mechanism, the convex blocks are clamped into the bottom sides of the convex edges through rotation, and the cover closing compression degree of the outer cover and the outer bottle is fixed through the mutual fastening of the convex blocks and the convex edges which are positioned at fixed positions, so that the outer cover and the inner bottle as well as the inner cover and the inner bottle which are arranged in the outer bottle are both positioned at the optimal compression degree, and the cover closing effect is prevented from being influenced by insufficient or excessive extrusion degree caused by different hand forces of operators in the screwing connection modes such as screw threads and the like;

(11) through the position cooperation that sets up lug and protruding edge, make and produce certain extrusion force between enclosing cover and the inner cup, through setting up the position relation that the guide edge cooperates lug and protruding edge, guide the lug, realize lock joint between them.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic half-sectional view of a double-layered humidifying bottle according to an embodiment of the present invention;

fig. 2 is a partial exploded view of the outer cover, the inner cover and the inner bottle of the double-layered humidification bottle according to the embodiment of the present invention;

FIG. 3 is a partial half-sectional view of the bottom of the outer bottle and the inner bottle of the double-layered humidification bottle according to the embodiment of the present invention;

fig. 4 is a schematic diagram of a method for using a double-layered humidification bottle according to an embodiment of the present invention, step S1;

fig. 5 is a schematic diagram of a method for using a double-layered humidification bottle according to an embodiment of the present invention, step S2.

Icon: 10-outer bottle; 11-a limit boss; 12-convex edge; 13-a leading edge; 20-outer cover; 21-limiting a compression ring; 22-a connecting cylinder; 221-annular snap edge; 23-a bump; 30-inner bottle; 31-a support edge; 32-a limiting groove; 40-inner cover; 41-oxygen guide pipe; 42-a pressing edge; 43-limiting pressure groove; 44-a positioning cylinder; 50-flow valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Referring to fig. 1 to 5, the present embodiment provides a double-layered humidification bottle, which includes an outer bottle 10, an outer cover 20, an inner bottle 30 and an inner cover 40, wherein the top of the outer cover 20 is connected with a flow valve 50, the inner cover 40 is inserted into the inner bottle 30 and is in interference fit with the inner bottle, and when the outer cover 20 is covered with the outer bottle 10, the inner cover 40 is inserted into the inner bottle 30; the inner cover 40 is provided with an oxygen guide pipe 41 matched with the flow valve 50, and when the outer cover 20 is covered with the outer bottle 10 and is connected with the flow valve 50, the top end of the oxygen guide pipe 41 is inserted with the flow valve 50; the inner bottle 30 is separated from the inner cap 40 by pressing. The inner cover 40 and the inner bottle 30 are arranged to be inserted, the sealing performance of the joint of the inner wall and the outer wall is improved by utilizing the coincidence of the inserted inner wall and the outer wall, and the inserted joint is in interference fit, so that the inner wall and the outer wall of the inserted inner wall are mutually extruded, on one hand, the sealing performance is further improved, the sealing performance of the joint of the inner wall and the outer wall can be ensured without using a silica gel pad, on the other hand, the inner cover 40 and the inner bottle 30 are relatively fixed through the friction force formed by extrusion, so that the inner wall and the outer wall are connected into a whole, the separation of the subjective intention of non-; through the arrangement of the reusable outer cap 20 and the reusable outer bottle 10, on one hand, the cost is reduced, on the other hand, the inner bottle 30 and the inner cap 40 can be sealed, and the noise generated by gas impact in the inner bottle 30 is reduced, and on the third hand, when the outer cap 20 and the outer bottle 10 are gradually covered, the bottom of the inner side of the outer cap 20 downwards extrudes the inner cap 40, and meanwhile, the bottom of the inner side of the outer bottle 10 upwards extrudes the inner bottle 30, so that the inner cap 40 and the inner bottle 30 are gradually and tightly inserted through the extrusion of the outer cap 20 and the outer bottle 10, the hand is prevented from directly contacting the inner cap 40 and the inner bottle 30, and the risk of bacterial; the oxygen guide pipe 41 is connected with the inner cover 40, and when the outer cover 20 is covered with the outer bottle 10, the oxygen guide pipe 41 is tightly inserted with the flow valve 50, so that after the outer bottle 10 is separated from the outer cover 20 by an operator in the state of the double-layer humidifying bottle, the inner cover 40 is tightly inserted with the flow valve 50 through the oxygen guide pipe 41, the inner bottle 30 is tightly inserted with the inner cover 40, and the outer cover 20 is connected with the flow valve 50, thereby realizing the state that only the outer bottle 10 is detached, avoiding the situation that a plurality of parts are simultaneously separated, effectively avoiding the contact of hands with a plurality of parts during detachment, effectively preventing the falling of partial parts during detachment, optimizing the speed and the difficulty of detachment, and effectively avoiding bacterial infection and cross infection; the inner bottle 30 is set to be a bottle body with the characteristic of being capable of being extruded and deformed, the bottle mouth of the inner bottle 30 is deformed by extruding the inner bottle 30, and the splicing strength of the splicing part of the bottle mouth of the inner bottle 30 and the inner cover 40 is reduced, so that the inner bottle 30 can be separated from the inner cover 40 by extruding the inner bottle 30, and the operation of changing water is convenient for an operator to realize; meanwhile, the inner bottle 30 and the inner cap 40 are inserted tightly in an interference fit insertion manner, and the connection strength between the inner bottle 30 and the inner cap 40 is far greater than the insertion strength between the oxygen guide pipe 41 and the flow valve 50, so that an operator can pull the inner bottle 30 to separate the inner bottle 30 with the inner cap 40 and the oxygen guide pipe 41 together from the flow valve 50, and the integrated disassembly and discarding of the disposable inner bottle 30, the inner cap 40 and the oxygen guide pipe 41 can be conveniently and quickly realized after the oxygen inhalation is finished.

In order to improve the plugging tightness between the inner bottle 30 and the inner cover 40 and enable the inner bottle 30 and the inner cover 40 to be connected into a whole after being plugged tightly, the inner side wall of the mouth of the inner bottle 30 is arranged to be a conical surface, and the outer side wall of the mouth of the inner cover 40 is arranged to be a conical surface in interference fit with the inner side wall of the mouth of the inner bottle 30. Specifically, the size of the conical surface at the cap opening of the inner cap 40 is slightly larger than that of the conical surface at the bottle opening of the inner bottle 30, so that the two are inserted in an interference fit manner. Through setting up interior bottle 30 and inner cup 40 into the form of conical surface grafting, self-locking nature when can utilizing the conical surface cooperation to compress tightly on the one hand, make inner cup 40 and interior bottle 30 insert to have stronger sealing performance after tight, avoid using the silica gel pad to carry out supplementary seal, through setting up conical surface interference fit, bottle 30 and inner cup 40 can insert tightly as a whole in making, and, when bottle 30 in the extrusion, the design of conical surface can be convenient for interior bottle 30 bottleneck to take place deformation, and be convenient for to the very big degree after the extrusion interior bottle 30 and inner cup 40 separation.

It should be noted that, the outer diameter of the mouth of the inner bottle 30 matches the inner diameter of the corresponding portion of the outer bottle 10, and when the inner cap 40 is tightly inserted into the inner bottle 30, the inner sidewall of the outer bottle 10 applies a certain degree of pressing force to the outer sidewall of the inner bottle 30, so as to further improve the sealing performance of the seam between the inner cap 40 and the inner bottle 30.

In order to prevent the deformation of the inner bottle 30 caused by the squeezing process of the inner cap 40 and the inner bottle 30, the mouth of the inner bottle 30 extends outwards to form a support edge 31, and the support edge 31 is arranged at the mouth of the outer bottle 10. The bottle mouth of the inner bottle 30 can be effectively supported by the support edge 31, and the pressure applied by the inner cover 40 is uniformly distributed on the whole support edge 31, so that the deformation of the bottle mouth of the inner bottle 30 is avoided. And, support along 31 through setting up, can convert the extrusion force of outer bottle 10 to interior bottle 30 bottle bottom to the extrusion force of outer bottle 10 bottleneck to supporting along 31 bottom sides, effectively prevent interior bottle 30 extrusion deformation, prevent that it from taking place deformation and breaking away from with inner cup 40 because the bottom extrusion.

In order to prevent the inner cap 40 from being excessively inserted into the inner bottle 30, the inner cap 40 is provided with a pressing edge 42 which is engaged with the supporting edge 31, and the inner cap 40 is inserted into the inner bottle 30 when the pressing edge 42 is pressed against the supporting edge 31. Through setting up and compressing tightly along 42, on the one hand carry on spacingly to the depth of insertion of inner cup 40, on the other hand cooperates the outer bottle 10 bottleneck to press from both sides tightly along 31 supporting, prevents that interior bottle 30 from taking place extrusion deformation.

Carry out radially spacingly to inner cup 40 in order to make inner cup 40 compress tightly, inner cup 40 top is equipped with spacing indent 43, and spacing indent 43 circularizes the setting, and its center coincides with the centre of a circle of inner cup 40, the outer lid 20 bottom is equipped with the spacing clamping ring 21 that corresponds with spacing indent 43, and the internal diameter and the external diameter of spacing clamping ring 21 respectively with the internal diameter and the external diameter phase-match of spacing indent 43, work as outer lid 20 is fashionable with outer bottle 10, spacing clamping ring 21 inserts in the spacing indent 43 and compresses tightly with spacing indent 43 tank bottom to both realized compressing tightly of inner cup 40, also realized the radial spacing of inner cup 40, effectively fixed inner cup 40, make the oxygen guide pipe 41 that sets up on it insert flow valve 50 and correspond the department.

It should be noted that, when the limiting press ring 21 is pressed against the groove bottom of the limiting press groove 43, the pressing edge 42 and the supporting edge 31 are also in a pressed state.

It should be noted that the limiting press ring 21 may be in a closed circular ring shape or in a segmented circular ring shape, so as to reduce material cost.

In order to radially limit the bottom of the inner bottle 30, a limit boss 11 is arranged on the inner side of the bottom of the outer bottle 10, and a limit groove 32 matched with the limit boss 11 is arranged at the bottom of the inner bottle 30. Specifically, the diameter of spacing recess 32 and the diameter phase-match of spacing boss 11, spacing boss 11 can insert just in spacing recess 32, prevent that interior bottle 30 bottle end from taking place radially to rock, through setting up spacing boss 11 and spacing recess 32, on the one hand, bottle 30 carries out radially spacingly in the face of, indirectly carry out further radial spacing to inner cup 40, indirectly carry out further radial spacing to leading oxygen tube 41, it is more accurate to make the grafting of leading oxygen tube 41 and flow valve 50, on the other hand, after bottle 30 trades water in pulling down, only need to put into outer bottle 10 with interior bottle 30 and can fix a position by oneself, then will outer bottle 10 with the enclosing cover 20 lid close can, the operation is convenient, the butt joint is accurate.

In order to further limit the oxygen guide tube 41, a positioning cylinder 44 is vertically arranged at the top center of the inner cover 40, the oxygen guide tube 41 is vertically arranged at the center of the positioning cylinder 44, a connecting cylinder 22 is vertically arranged at the top center of the outer cover 20, the outer side wall of the connecting cylinder 22 is screwed with the flow valve 50 through threads, the inner diameter of the connecting cylinder 22 is matched with the outer diameter of the positioning cylinder 44, the top of the inner wall of the connecting cylinder 22 extends inwards to form an annular clamping edge 221, and the annular clamping edge 221 is clamped with the inner side wall at the top of the positioning cylinder 44. Through setting up connecting cylinder 22, make enclosing cover 20 and flow valve 50 revolve the joint, make both relatively fixed and even as an organic whole, through setting up a location section of thick bamboo 44, and make it and connecting cylinder 22 location, thereby carry out the accurate positioning to oxygen guide tube 41, through setting up annular card edge 221, the inside wall of cooperation connecting cylinder 22 is tight and spacing with the inside and outside clamp of a location section of thick bamboo 44, thereby further promote the location accuracy of oxygen guide tube 41, make oxygen guide tube 41 and flow valve 50 advance accurate grafting.

In order to facilitate the cover of the outer cover 20 and the outer bottle 10 to be closed and accurately position the closing degree of the outer cover and the outer bottle 10, the outer cover 20 and the outer bottle 10 are closed through a quick-connection mechanism, the quick-connection mechanism comprises a plurality of convex edges 12 uniformly arranged on the outer side wall of the outer bottle 10 in a ring shape, and a plurality of convex blocks 23 uniformly arranged on the inner side wall of the outer cover 20 in a ring shape, when the convex blocks 23 are buckled with the convex edges 12, the outer cover 20 is pressed with the inner cover 40. Through setting up a plurality of protruding 12 and a plurality of lugs 23 of following that connect the mechanism soon and include, realize enclosing cover 20 and outer bottle 10's quick connecing soon, make lug 23 go into protruding 12 bottom sides of following through rotatory card, and, lug 23 and protruding 12 of following that are in fixed position through the lock joint, the lid that encloses with outer bottle 10 to enclosing and compresses tightly the degree and fixes, make both and the inner cup 40 and the interior bottle 30 of placing in the outer bottle 10 all be in the best degree of compressing tightly, the extrusion degree that stops to cause because the difference of operating personnel hand strength when using screw thread class to connect the mode soon is insufficient or excessive.

In order to further optimize the quick-connecting mechanism, when the inner bottle 30 is arranged in the outer bottle 10 and the outer cap 20 is in close contact with the outer bottle 10, the top side of the convex block 23 is slightly higher than the bottom side of the convex edge 12, the screwing end of the convex edge 12 is connected with the guide edge 13, and one end of the guide edge 13 far away from the convex edge 12 inclines towards the opening of the outer bottle 10. The position matching of the convex block 23 and the convex edge 12 is arranged, so that a certain extrusion force is generated between the outer cover 20 and the inner cover 40, and the position relation of the convex block 23 and the convex edge 12 is matched by arranging the guide edge 13 to guide the convex block 23, so that the buckling connection between the two is realized.

Referring to fig. 4 and 5, the method for using the double-layered humidification bottle includes the following steps:

s1, when water needs to be added, the outer bottle 10 is detached, the inner bottle 30 is squeezed to separate the inner bottle 30 from the inner cover 40, water is added into the inner bottle 30, the inner bottle 30 is placed into the outer bottle 10, and the outer bottle 10 and the outer cover 20 are closed;

and S2, when the use is stopped, the outer bottle 10 is disassembled, and the inner bottle 30 is pulled to separate the oxygen guide pipe 41 from the flow valve 50.

Through above-mentioned two key steps, realize "magic formula" operation, only need take off outer bottle 10 and can change the operation of water or change disposable component according to the user demand respectively, the subassembly that the in-process need not to dismantle all can not break away from by oneself, need not operating personnel hand to support, avoids bacterial infection and cross infection to the operation is quick simple and effective, greatly promotes operating personnel's use and experiences.

To sum up, the utility model provides a double-layer humidifying bottle, it is through setting up inner cup and inner bottle as the grafting, utilize the interior outer wall coincidence of grafting to promote the leakproofness of both junctions, further through setting up the grafting for interference fit, make the interior outer wall of both after the grafting extrude each other, can further promote the leakproofness, thereby need not to use the silica gel pad can guarantee the leakproofness of both junctions, meanwhile, inner cup and inner bottle relatively fixed through the frictional force that extrudes the formation, make both connect as an organic whole, prevent the separation that takes place the subjective intention of non-operating personnel in the use, reduce the possibility that drops in the dismantlement process; by arranging the outer cover and the outer bottle which can be repeatedly utilized, the cost can be reduced, the inner bottle and the inner cover can be sealed, the noise generated by gas impact in the inner bottle can be reduced, and the inner cover can be downwards extruded through the bottom of the inner side of the outer cover and the inner bottle can be upwards extruded through the bottom of the inner side of the outer bottle when the outer cover and the outer bottle are gradually covered, so that the inner cover and the inner bottle are gradually and tightly inserted through the extrusion of the outer cover and the outer bottle, the hand is prevented from directly contacting the inner cover and the inner bottle, and the risk of bacterial infection and cross infection is effectively reduced; the oxygen guide pipe is connected with the inner cover, when the outer cover is closed with the outer cover, the oxygen guide pipe is tightly inserted with the flow valve, after the outer bottle is separated from the outer cover by an operator, the inner cover is tightly inserted with the flow valve through the oxygen guide pipe, the inner bottle is tightly inserted with the inner cover, and the outer cover is connected with the flow valve, so that the state that only the outer bottle is detached is realized, the condition that a plurality of parts are separated simultaneously is avoided, the hand is prevented from contacting a plurality of parts during detachment, the falling of partial parts during detachment is prevented, the detachment is simple and rapid, and the cross infection is effectively avoided; the inner bottle is set to be a bottle body with the characteristic of being capable of being extruded and deformed, the bottle mouth of the inner bottle is deformed by extruding the inner bottle, and the splicing strength of the splicing part of the bottle mouth of the inner bottle and the inner cover is reduced, so that the inner bottle can be separated from the inner cover by extruding the inner bottle, and the operation of changing water is convenient for operators to realize; meanwhile, the inner bottle and the inner cover are tightly inserted in an interference fit insertion manner, and the connection strength between the inner bottle and the inner cover is far greater than the insertion strength between the oxygen guide pipe and the flow valve, so that an operator can pull the inner bottle to separate the inner bottle together with the inner cover and the oxygen guide pipe from the flow valve, and the integrated disassembly and discarding of the disposable inner bottle, the inner cover and the oxygen guide pipe can be conveniently and quickly realized after the oxygen inhalation is finished; the inner bottle and the inner cover are arranged in a conical surface inserting manner, on one hand, the self-locking property of the conical surface during the matching and pressing can be utilized, so that the inner cover and the inner bottle have stronger sealing performance after being tightly inserted, a silica gel pad is avoided for auxiliary sealing, the inner bottle and the inner cover can be tightly inserted into a whole by arranging the conical surface in interference fit, and in addition, when the inner bottle is extruded, the design of the conical surface can facilitate the deformation of the bottle mouth of the inner bottle, and the inner bottle and the inner cover after being extruded can be separated to a great extent; the supporting edge is arranged to effectively support the bottle mouth of the inner bottle, and the pressure applied by the inner cover is uniformly distributed on the whole supporting edge, so that the deformation of the bottle mouth of the inner bottle is avoided, the extrusion force of the inner bottle bottom of the outer bottle can be converted into the extrusion force of the bottle mouth of the outer bottle to the bottom side of the supporting edge, the extrusion deformation of the inner bottle is effectively prevented, and the inner bottle is prevented from deforming and separating from the inner cover due to the bottom extrusion; the pressing edge is arranged, so that the insertion depth of the inner cover is limited on one hand, and the supporting edge is clamped by matching with the mouth of the outer bottle on the other hand, and the inner bottle is prevented from being extruded and deformed; by arranging the limiting pressure groove and the limiting pressure ring, the compression of the inner cover is realized, the radial limitation of the inner cover is also realized, the inner cover is effectively fixed, and the oxygen guide pipe arranged on the inner cover is accurately inserted into the corresponding position of the flow valve; the inner bottle bottom is radially limited by the limiting lug boss and the limiting groove, so that the oxygen guide pipe and the flow valve are indirectly accurately inserted, and on the other hand, after the inner bottle is detached and water is changed, the inner bottle can be automatically positioned only by being placed into the outer bottle, and then the outer bottle is covered with the outer cover, so that the operation is convenient, and the butt joint is accurate; the outer cover and the flow valve are connected in a screwed mode through the connecting cylinder, the outer cover and the flow valve are fixed relatively and are connected into a whole, the oxygen guide pipe is accurately positioned through the positioning cylinder and the connecting cylinder, the annular clamping edge is arranged, the inner side wall of the connecting cylinder is matched with the inner side wall of the positioning cylinder to clamp the inner side wall and the outer side wall of the positioning cylinder and limit the inner side wall and the outer side wall of the connecting cylinder, and therefore the positioning accuracy of the oxygen guide pipe is further improved, and the oxygen guide pipe is connected with the flow valve in an inserted mode; the quick screwing connection of the outer cover and the outer bottle is realized by arranging the plurality of convex edges and the plurality of convex blocks which are included by the quick screwing mechanism, the convex blocks are clamped into the bottom sides of the convex edges through rotation, in addition, the cover closing compression degree of the outer cover and the cover closing compression degree of the outer bottle are fixed through the buckled convex blocks and the convex edges which are in fixed positions, the inner cover and the inner bottle which are arranged in the outer bottle are in the optimal compression degree, and the insufficient or excessive extrusion degree caused by different hand forces of operators in the screwing connection mode of threads and the like is avoided; through the position cooperation that sets up lug and protruding edge, make and produce certain extrusion force between enclosing cover and the inner cup, through setting up the position relation that the guide edge cooperates lug and protruding edge, guide the lug, realize lock joint between them.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (9)

1. A double-layer humidifying bottle comprises an outer bottle (10), an outer cover (20), an inner bottle (30) and an inner cover (40), wherein the top of the outer cover (20) is connected with a flow valve (50),

the bottle opener is characterized in that the inner cover (40) is inserted into the inner bottle (30) and is in interference fit with the inner bottle, and when the outer cover (20) is covered with the outer bottle (10), the inner cover (40) is tightly inserted into the inner bottle (30);

the inner cover (40) is provided with an oxygen guide pipe (41) matched with the flow valve (50), and when the outer cover (20) is covered with the outer bottle (10) and is connected with the flow valve (50), the top end of the oxygen guide pipe (41) is inserted with the flow valve (50);

the inner bottle (30) is separated from the inner cap (40) by squeezing.

2. The double-layer humidifying bottle as claimed in claim 1, wherein the inner side wall of the mouth of the inner bottle (30) is arranged as a conical surface, and the outer side wall of the mouth of the inner cover (40) is arranged as a conical surface in interference fit with the inner side wall of the mouth of the inner bottle (30).

3. The double-layered humidifying bottle as claimed in claim 2, wherein the mouth of the inner bottle (30) extends outwards to form a support edge (31), and the support edge (31) is arranged at the mouth of the outer bottle (10).

4. The double-layered humidifying bottle as claimed in claim 3, wherein the inner cover (40) is provided with a pressing edge (42) which is matched with the supporting edge (31), and when the pressing edge (42) is pressed against the supporting edge (31), the inner cover (40) is inserted into the inner bottle (30).

5. The double-layer humidifying bottle according to claim 2, wherein a limiting indent (43) is arranged at the top of the inner cover (40), a limiting press ring (21) corresponding to the limiting indent (43) is arranged at the bottom of the outer cover (20), and when the outer cover (20) is covered with the outer bottle (10), the limiting press ring (21) is pressed with the limiting indent (43).

6. The double-layer humidifying bottle as claimed in claim 5, wherein the inner side of the bottom of the outer bottle (10) is provided with a limiting boss (11), and the bottom of the inner bottle (30) is provided with a limiting groove (32) matched with the limiting boss (11).

7. The double-layer humidifying bottle as claimed in claim 6, wherein a positioning cylinder (44) is vertically arranged at the center of the top of the inner cover (40), an oxygen guide tube (41) is vertically arranged at the center of the positioning cylinder (44),

the center of the top of the outer cover (20) is vertically provided with a connecting cylinder (22), the outer side wall of the connecting cylinder (22) is screwed with the flow valve (50) through threads, the inner diameter of the connecting cylinder (22) is matched with the outer diameter of the positioning cylinder (44),

the top of the inner wall of the connecting cylinder (22) extends inwards to form an annular clamping edge (221), and the annular clamping edge (221) is clamped with the inner side wall of the top of the positioning cylinder (44).

8. The double-layer humidifying bottle as claimed in claim 1, wherein the outer cover (20) and the outer bottle (10) are closed by a quick-connection mechanism, the quick-connection mechanism comprises a plurality of protruding edges (12) which are uniformly arranged on the outer side wall of the outer bottle (10) in a ring shape, and a plurality of protruding blocks (23) which are uniformly arranged on the inner side wall of the outer cover (20) in a ring shape, and when the protruding blocks (23) are fastened with the protruding edges (12), the outer cover (20) is pressed with the inner cover (40).

9. The double-layered humidification bottle as claimed in claim 8, wherein when the inner bottle (30) is provided in the outer bottle (10) and the outer cap (20) is in covering contact with the outer bottle (10), the top side of the protrusion (23) is slightly higher than the bottom side of the ledge (12),

the screwing end of the convex edge (12) is connected with a guide edge (13), and one end of the guide edge (13) far away from the convex edge (12) inclines towards the bottle mouth of the outer bottle (10).

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