CN217245638U - Vomitus storage bag - Google Patents

Abstract

The application discloses a vomit receiving bag which comprises a first bag body and a second bag body sleeved outside the first bag body, wherein a closed end and an open end are respectively formed on the first bag body and the second bag body; the opening end of the first bag body is provided with an auxiliary bag opening structure, and the auxiliary bag opening structure is used for opening or closing the opening end of the first bag body; the opening end of the second bag body is provided with a sealing structure, the sealing structure is used for realizing the opening or the sealing of the opening end of the second bag body, and a filter element is arranged in the second bag body; when the open end of the first bag body is opened by the auxiliary bag opening structure, vomit flows into the first bag body and permeates into the second bag body to be adsorbed by the filter element; when the vomitus containing bag is used, the open end of the first bag body is sealed by the auxiliary bag opening structure, and the first bag body is sealed in the second bag body by the sealing structure. The application provides a bag is accomodate to vomitus can adsorb the vomitus and accomodate, and has realized accomodating the separation through the design of two bag bodys, has completely cut off peculiar smell and has polluted.

Description

Vomitus storage bag

Technical Field

The application relates to the technical field of medical auxiliary articles, in particular to a vomitus storage bag.

Background

Digestive tract diseases easily cause vomiting, vomit is mostly accompanied by gastric acid, has strong pungent smell, easily pollutes the ward environment, and is extremely unfriendly to patients and medical care personnel. When the patient vomits, the nursing staff is required to take the garbage can to the patient, which is very inconvenient. In addition, the existing garbage cans and the like also have leakage, so that secondary pollution is easily caused.

Furthermore, the vomitus containing basin is used for receiving vomitus of a patient in a hospital bed, the vomitus containing basin needs to be tightly attached to the patient due to the posture of the patient, so that the vomitus can fall into the vomitus containing basin, but if the patient feels paroxysmal vomiting due to physical discomfort, the vomitus containing basin needs to be frequently used, so that the vomitus is easily gathered, and germs are easily grown. Other people in the same ward see the vomiting state of the patient, which can cause discomfort to the human body. A large amount of germs exist in vomit in the vomit containing basin, and can volatilize along with air, so that harm is caused to surrounding patients or pedestrians.

Therefore, the conventional garbage can and the conventional storage basin for storing vomitus have certain storage problems, are easy to cause the leakage of smell and vomitus, and do not utilize the health of a user and a nurse for a long time.

Therefore, it is necessary to provide a new technical solution to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The application provides a bag is accomodate to vomitus for solve among the prior art and be used for accomodating the garbage bin of vomitus and accomodate the basin and cause smell and vomitus to reveal easily, be unfavorable for the healthy problem of user.

In order to achieve the above purpose, the present application provides the following technical solutions:

the application provides a vomit receiving bag, which comprises a first bag body and a second bag body sleeved outside the first bag body, wherein a closed end and an open end are respectively formed on the first bag body and the second bag body;

the opening end of the first bag body is provided with an auxiliary bag opening structure, and the auxiliary bag opening structure is used for opening or closing the opening end of the first bag body;

the opening end of the second bag body is provided with a sealing structure, the sealing structure is used for realizing the opening or the sealing of the opening end of the second bag body, and a filter element is arranged in the second bag body;

when the open end of the first bag body is opened by the auxiliary bag opening structure, vomit flows into the first bag body, permeates into the second bag body and is adsorbed by the filter element; after the vomitus containing bag is used, the open end of the first bag body is sealed by the auxiliary bag opening structure, and the first bag body is sealed in the second bag body by the sealing structure.

According to the technical scheme, the side wall, close to the closed end, of the first bag body is connected with the side wall of the second bag body in a heat sealing mode, and when the second bag body is not closed by the sealing structure, the auxiliary bag opening structure on the first bag body achieves bag opening of the first bag body and the second bag body.

Furthermore, the auxiliary bag opening structure comprises an opening and closing piece, the opening and closing piece comprises two oppositely arranged grabbing pieces, a channel for vomitus to flow into is formed between the two grabbing pieces, and the channel is communicated with the inner cavity of the first bag body.

Furthermore, the two grabbing pieces are respectively arranged on the side wall, close to the open end, of the first bag body, and the top ends of the two grabbing pieces protrude out of the open end of the first bag body, so that a user can open the first bag body by grabbing the two grabbing pieces.

Further, when the two grasping sheets are far away from each other under the action of external force, the channel is opened, and vomit flows into the inner cavity of the first bag body from the channel.

Further, when vomit is collected, the two grasping pieces approach each other under the action of external force, so that the two grasping pieces are attached to each other, and the channel is closed.

Furthermore, crease lines are formed on the grabbing sheet, the grabbing sheet is divided into an upper folding sheet and a lower folding sheet by the crease lines, the lower folding sheet is connected with the side wall of the first bag body close to the open end of the first bag body in a heat sealing mode, the upper folding sheet protrudes outwards from the open end of the first bag body, and the upper folding sheet protrudes out of the open end of the second bag body.

Furthermore, the grabbing piece is formed by a first straight line segment, a second straight line segment, a first arc line segment, a third straight line segment, a second arc line segment and a fourth straight line segment which are sequentially connected end to end in a surrounding mode.

Further, the first straight line segment and the third straight line segment are parallel to each other, and a perpendicular bisector of the first straight line segment coincides with a perpendicular bisector of the third straight line segment.

Furthermore, the second straight line segment and the fourth straight line segment are symmetrically arranged by taking a perpendicular bisector of the first straight line segment as a symmetry axis.

Furthermore, the first arc line segment and the second arc line segment are symmetrically arranged by taking a perpendicular bisector of the first straight line segment as a symmetry axis.

Further, the first arc segment and the second arc segment are respectively bent towards the first straight segment.

Furthermore, one end of the crease line is connected with the midpoint of the first arc line segment, the other end of the crease line is connected with the midpoint of the second arc line segment, the part between the crease line and the first straight line segment forms the lower folding piece, and the part between the crease line and the third straight line segment forms the upper folding piece.

Further, the setting is in the sealing structure of the open end of the second bag body include the drawstring and with the installation passageway of drawstring adaptation, be provided with two at least mounting holes on the installation passageway, the drawstring certainly the mounting hole is worn to locate in the installation passageway, work as when the drawstring tightens up under the exogenic action, the open end of the second bag body is sealed.

Furthermore, the two mounting holes are oppositely formed in the two side walls of the second bag body, and the mounting holes are formed in the side walls provided with the grabbing pieces.

Further, the filter element arranged in the second bag body comprises non-woven fabrics.

Further, the first bag body comprises a PE film bag.

Further, the second bag body comprises a PE film bag.

Further, the size of the first bag body is smaller than that of the second bag body.

Further, the shape of the first bag body is the same as or different from the shape of the second bag body.

In a preferred embodiment, the closure structure comprises a zipper and a zipper adapted to the zipper; when in use, the zipper is in an open state, so that vomit is collected from the open end of the first bag body; when vomit is collected, the open end of the first bag body is closed by the auxiliary bag opening structure, the zipper is locked by the zipper, and the first bag body is contained in the second bag body.

Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a vomitus accomodates bag collects the vomitus through first bag body, the vomitus permeates behind the second bag body and is adsorbed by the filter core in it, it accomodates the separation to have realized, the filter core adsorbs can effectively prevent the vomitus diffusion, reduce peculiar smell diffusion scope, and the supplementary bag structure of opening on the first bag body can effectively expand the sack, can effectively avoid making dirty both hands when using, reduce the pollution range, also can seal the sack through this supplementary bag structure of opening after using, realize the first closure processing of vomitus, later with the first bag body of good encapsulation seal in the second bag body again, realize the separation of inner bag and outer bag, there is the dual effect of keeping apart.

2. The application provides an assist on the first bag body opens a bag structure includes two and grabs the piece, and the user can grab the piece through pulling open two and strut the sack, and the vomitus can not be stained with in one's hands, can effectively prevent the sanitary problem that the filth diffusion brought, and the user vomits the back, grabs the sack department that the piece can be pushed the first bag body and realizes the bag body encapsulation, pushes the second bag body again, realizes the secondary encapsulation, effectively keeps apart the vomitus and pollutes, prevents leaking, preventing the peculiar smell.

3. The application provides a second is internal to be provided with the filter core, and this filter core can be the material that non-woven fabrics etc. have adsorption separation effect, can realize through the use of filter core that the vomitus adsorbs, is convenient for pick up, prevents to reveal.

4. The application provides a sealing structure on second bag body include the stay rope and with the installation passageway of stay rope adaptation, can be provided with two at least mounting holes on the installation passageway, the stay rope is worn to locate in the installation passageway from the mounting hole, when the stay rope tightens up under the exogenic action, the opening end of the second bag body is sealed, two mounting holes set up relatively on two lateral walls of the second bag body, further mounting hole is seted up on installing the lateral wall of grabbing the piece, push away to mutually paste grabbing the piece after vomitus has used up, accomplish sealing of the first bag body, must not change the direction, can directly hold the stay rope from opening the piece below and seal the second bag body, the convenience saves trouble.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. It should be understood that the specific shapes, configurations and illustrations in the drawings are not to be construed as limiting, in general, the practice of the present application; for example, it is within the ability of those skilled in the art to make routine adjustments or further optimizations based on the technical concepts disclosed in the present application and the exemplary drawings, for the increase/decrease/attribution of certain units (components), specific shapes, positional relationships, connection manners, dimensional ratios, and the like.

Fig. 1 is an exploded view of a vomit receiving bag according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating the overall structure of the vomit receiving bag according to an embodiment, wherein the first pouch body and the second pouch body of the vomit receiving bag are both open;

fig. 3 is a schematic view illustrating a first bag body of the vomitus receiving bag provided by the present application in a structure state after the bag opening is closed by the grasping piece thereon;

fig. 4 is a schematic view of a vomit receiving bag according to an embodiment of the present invention, wherein the second bag body is closed by a drawstring;

fig. 5 is a schematic view of a configuration of a gripper of a vomit receiving bag according to an embodiment of the present invention;

fig. 6 is a schematic plan view of a first pouch body of the vomit receiving pouch according to an embodiment of the present disclosure;

fig. 7 is a schematic plan view of a second pouch body of a vomit receiving pouch according to an embodiment of the present disclosure;

fig. 8 is a schematic plan view of a filter element in a second pouch of a vomit receiving pouch according to an embodiment of the present disclosure;

fig. 9 is a schematic plan view illustrating an assembled state of the first bag body and the second bag body of the vomit receiving bag according to an embodiment of the present invention.

Description of reference numerals:

1. a first bag body;

2. the auxiliary bag opening structure; 21. opening and closing the piece; 22. grabbing the sheet; 221. a first straight line segment; 222. a second straight line segment; 223. a first arc segment; 224. a third straight line segment; 225. a second arc segment; 226. a fourth straight line segment; 23. a crease line; 24. an upper folding sheet; 25. a lower folded piece;

3. a channel;

4. a second bag body; 41. a sealing structure; 42. drawing a rope; 43. installing a channel; 44. mounting holes;

5. and (3) a filter element.

Detailed Description

The present application will be described in further detail below with reference to specific embodiments thereof, with reference to the accompanying drawings.

In the description of the present application: "plurality" means two or more unless otherwise specified. The terms "first", "second", "third", and the like in this application are intended to distinguish the referenced objects without particular meaning in the technical meaning (e.g., emphasis on degree or order of importance, etc.) being construed). The terms "comprising," "including," "having," and the like, are intended to be inclusive and mean "not limited to" (some elements, components, materials, steps, etc.).

In the present application, terms such as "upper", "lower", "left", "right", "middle", and the like are generally used for easy visual understanding with reference to the drawings, and are not intended to absolutely limit the positional relationship in an actual product. Changes in these relative positional relationships are also considered to be within the scope of the present disclosure without departing from the technical concepts disclosed in the present disclosure.

Example 1

The articles for use of accomodating vomitus on the market at present have the garbage bin, accomodate basin and vomiting bag, but these several kinds of wares of accomodating have the function of accomodating usually only, do not have the separation function, have many sanitary problems in the use, and above-mentioned several kinds of wares of accomodating do not basically have the isolated effect of separation to the peculiar smell, cause peculiar smell overflow, filth to reveal easily, are unfavorable for user's healthy. Specifically, when using the storage devices, there is a possibility that the user may contaminate the hands with vomit during the process of collecting the vomit after vomiting, and the vomit may be not separated and may be directly contacted with air, thereby causing the spread of the odor. In order to solve the problems of the prior art, the present embodiment provides a vomit receiving bag, which will be described in detail with reference to fig. 1 to 9.

Referring to fig. 1, in one embodiment, a vomit receiving bag according to the present application is shown in an exploded view. As can be seen, the vomit receiving bag basically comprises: the first bag body 1 and the second bag body 4 sleeved outside the first bag body 1 are respectively provided with a closed end and an open end on the first bag body 1 and the second bag body 4. That is, in this embodiment, the vomit receiving bag is a bag-in-bag structure, and has double isolation and protection functions.

In order to facilitate bag opening and prevent the pollution of sewage to both hands, the open end of the first bag body 1 provided by the application is provided with an auxiliary bag opening structure 2. The auxiliary bag opening structure 2 may be used to open or close the open end of the first bag body 1. In order to adsorb filth and prevent leakage, a filter element 5 is further arranged in the second bag body 4 of the vomitus containing bag, the filth adsorption is realized through the filter element 5, and the peculiar smell diffusion is also prevented.

In order to realize double sealing and prevent peculiar smell from leaking, the open end of the second bag body 4 of the vomit receiving bag provided by the application is provided with a sealing structure 41. The sealing structure 41 is used to open or close the open end of the second pouch body 4. When the open end of the first bag body 1 is opened by the auxiliary bag opening structure 2, vomit flows into the first bag body 1, and is absorbed by the filter element 5 after permeating into the second bag body 4; when the collection of the vomit is completed, the open end of the first pouch body 1 is closed by the auxiliary pouch opening structure 2, and the first pouch body 1 is enclosed in the second pouch body 4 by the closure structure 41. That is, the first bag body 1 of the vomitus containing bag forms an inner bag, the second bag body 4 forms an outer bag, the inner bag can form a first protective measure to contain and seal off the sewage, the liquid in the vomitus permeates into the second bag body 4 and then is adsorbed, separated and sealed off by the filter element 5, and the outer bag forms a second seal off to the inner bag. When a user collects the vomitus containing bag after use, the two bags can effectively prevent leakage and prevent secondary pollution of dirt.

In one embodiment, the side wall of the first bag body 1 close to the closed end thereof and the side wall of the second bag body 4 can be connected by heat sealing, so that the two bag bodies are fixed. With the lateral wall of first bag body 1 near its closed end fixed with the lateral wall heat seal of second bag body 4, removed from fixed to the 1 opening part of first bag body from, after the user has vomited, it has the vomitus to hold in the first bag body 1, first bag body 1 can prop up the deformation, if fix the 1 open end of first bag body, it is not firm to grab the meeting envelope after piece 22 pastes mutually, and the lower extreme of fixed first bag body 1 can realize vomitting up after 1 first bag body down, seal first bag body 1's totally in second bag body 4, prevent to reveal. Referring to fig. 9, the first pouch body 1 and the first pouch body 1 are heat-sealed and fixed at the position of the dotted line a.

It should be noted that when the two bags are heat sealed, the filter element 5 must be placed in the second bag 4, and then the first bag 1 and the second bag 4 are heat sealed and fixed.

When the second bag body 4 is not sealed by the sealing structure 41, the auxiliary bag opening structure 2 on the first bag body 1 can realize simultaneous bag opening of the first bag body 1 and the second bag body 4, and the use is convenient.

In one embodiment, the auxiliary bag opening structure 2 comprises an opening member 21, the opening member 21 comprises two oppositely arranged grasping pieces 22, a channel 3 for inflow of vomit is formed between the two grasping pieces 22, and the channel 3 is communicated with the inner cavity of the first bag body 1. Referring to fig. 2, two of the grasping pieces 22 are respectively disposed on the side walls of the first bag body 1 near the open end, and the top ends of the two grasping pieces 22 protrude from the open end of the first bag body 1, so that a user can open the first bag body 1 by grasping the two grasping pieces 22. When the two grasping pieces 22 are moved away from each other by an external force, the passage 3 is opened, and vomit flows into the inner cavity of the first bag body 1 from the passage 3. When the vomit is collected, the two grasping pieces 22 are close to each other under the action of external force, so that the two grasping pieces 22 are attached to each other, and the channel 3 is closed. The opening and closing piece 21 can play a flaring role, has a supporting role on a soft bag opening, and can effectively open and seal the bag. Therefore, the auxiliary bag opening structure 2 provided by the application can effectively open a bag and effectively seal the bag, is dual-purpose, and simplifies the structural design.

In an embodiment, referring to fig. 5, 6 and 9, the grip tab 22 is formed with a crease line 23, the grip tab 22 is divided by the crease line 23 into an upper flap 24 and a lower flap 25, the lower flap 25 is heat-sealed with the sidewall of the first bag body 1 near the open end thereof, the upper flap 24 protrudes outward from the open end of the first bag body 1, and the upper flap 24 protrudes from the open end of the second bag body 4. The grasping pieces 22 protrude from the open ends of the two bag bodies for convenient grasping.

The application provides an assist on the first bag body 1 opens bagging-off structure 2 includes two and grabs piece 22, the user can strut the sack through pulling open two and grab piece 22, the vomitus can not be stained with in one's hands, can effectively prevent the sanitary problem that the filth diffusion brought, the user vomits the back, it realizes the bag body encapsulation to grab the sack department that piece 22 can be pushed to the first bag body 1, push into the second bag body 4 with the first bag body 1 again, realize the secondary encapsulation, effectively keep apart the vomitus and pollute, prevent leaking, prevent the peculiar smell.

In one embodiment, with continued reference to fig. 5, the tab 22 is defined by a first straight line segment 221, a second straight line segment 222, a first arc segment 223, a third straight line segment 224, a second arc segment 225, and a fourth straight line segment 226, all of which are connected end to end. The first straight line segment 221 and the third straight line segment 224 are parallel to each other, and a perpendicular bisector of the first straight line segment 221 and a perpendicular bisector of the third straight line segment 224 coincide. The second straight line segment 222 and the fourth straight line segment 226 are symmetrically arranged with respect to a perpendicular bisector of the first straight line segment 221 as a symmetry axis. The first arc segment 223 and the second arc segment 225 are symmetrically disposed with a perpendicular bisector of the first straight segment 221 as a symmetry axis. The first arc segment 223 and the second arc segment 225 are respectively curved toward the first straight segment 221. Of course, the grasping sheet 22 may have other shapes as long as it can help to open the opening of the first bag body 1 and facilitate grasping by hand, and the application is not limited herein.

With continued reference to fig. 5, one end of the crease line 23 is connected to the midpoint of the first arc segment 223, the other end is connected to the midpoint of the second arc segment 225, the portion between the crease line 23 and the first straight segment 221 forms the lower flap 25, the portion between the crease line 23 and the third straight segment 224 forms the upper flap 24, the lower flap 25 is fixed to the sidewall of the first bag body 1, and the upper flap 24 protrudes from the open end of the first bag body 1, so as to facilitate grasping and opening the bag.

With continued reference to fig. 3 and 4, the sealing structure 41 disposed at the open end of the second bag body 4 may include a drawstring 42 and a mounting channel 43 and a channel 3 adapted to the drawstring 42, wherein the mounting channel 43 and the channel 3 are provided with at least two mounting holes 44, the drawstring 42 is inserted into the mounting channel 43 and the channel 3 from the mounting holes 44, and when the drawstring 42 is tightened by an external force, the open end of the second bag body 4 is sealed. Preferably, the aperture of the mounting hole 44 is smaller than the diameter of the drawstring 42, which effectively prevents the drawstring 42 from retracting, resulting in an unstable envelope, leakage of vomit, and spread of odor.

In one embodiment, two of the mounting holes 44 are oppositely disposed on two sidewalls of the second bag body 4, and the mounting holes 44 are opened on the sidewalls where the grasping pieces 22 are mounted. After the vomitus uses up, push the piece 22 and paste mutually, accomplish the sealing of first bag body 1, need not change the direction, can directly hold the drawstring 42 from the below of opening and shutting piece 21 and seal second bag body 4, convenient save trouble.

In one embodiment, the filter element 5 disposed in the second bag 4 may be made of a material with adsorption and separation functions, such as a non-woven fabric, and the filter element 5 may be used to adsorb vomitus, thereby facilitating collection and preventing leakage.

In one embodiment, the first bag body 1 may be a PE film bag.

In one embodiment, the second pouch body 4 may be a PE film pouch.

In one embodiment, the opening and closing member 21 may be made of a paper card.

In one embodiment, the first receptacle 1 has a smaller size than the second receptacle 4, see fig. 4 or 9. This allows the second pouch body 4 to better accommodate the first pouch body 1.

In one embodiment, the shape of the first pouch 1 is the same as or different from the shape of the second pouch 4. That is, the first bag body 1 is a square bag, and the second bag body 4 is a rectangular bag. Of course, the shape of the first bag body and the shape of the second bag body can be other shapes, and are not listed here.

By last can, the vomitus accomodates bag that this application provided collects the vomitus through first bag body, the vomitus permeates behind the second bag body and is adsorbed by the filter core in it, it accomodates the separation to have realized, the filter core adsorbs can effectively prevent the vomitus diffusion, reduce peculiar smell diffusion zone, and the supplementary sack structure of opening on the first bag body can effectively expand the sack, can effectively avoid making dirty both hands when using, reduce the pollution range, also can seal the sack through this supplementary sack structure of opening after having used up, realize the first time sealing process of vomitus, later with the first bag body of good encapsulation seal in the second bag body again, realize the separation of inner bag and outer bag, there is the dual effect of keeping apart.

Example 2

The difference between this example and example 1 is that: the sealing structure on the second bag body can be composed of a zipper and a zipper matched with the zipper. When in use, the zipper is in an open state, so that vomit is collected from the open end of the first bag body; when vomit is collected, the open end of the first bag body is closed by the auxiliary bag opening structure, the zipper is locked by the zipper, and the first bag body is contained in the second bag body.

All the technical features of the above embodiments can be arbitrarily combined (as long as there is no contradiction between the combinations of the technical features), and for the sake of brevity, all the possible combinations of the technical features in the above embodiments are not described; such non-explicitly written embodiments should be considered as being within the scope of the present description.

The present application has been described in considerable detail with reference to certain embodiments and examples thereof. It should be understood that several conventional adaptations or further innovations of these specific embodiments may also be made based on the technical idea of the present application; however, such conventional modifications and further innovations can also fall into the scope of the claims of the present application as long as they do not depart from the technical idea of the present application.

Claims (8)

1. The utility model provides a vomitus accomodates bag which characterized in that includes:

the bag comprises a first bag body and a second bag body sleeved outside the first bag body, wherein a closed end and an open end are respectively formed on the first bag body and the second bag body;

the opening end of the first bag body is provided with an auxiliary bag opening structure, and the auxiliary bag opening structure is used for opening or closing the opening end of the first bag body;

the opening end of the second bag body is provided with a sealing structure, the sealing structure is used for realizing the opening or the sealing of the opening end of the second bag body, and a filter element is arranged in the second bag body;

when the open end of the first bag body is opened by the auxiliary bag opening structure, vomit flows into the first bag body, permeates into the second bag body and is adsorbed by the filter element; after the vomitus containing bag is used, the open end of the first bag body is sealed by the auxiliary bag opening structure, and the first bag body is sealed in the second bag body by the sealing structure.

2. The vomit receiving bag according to claim 1, wherein the side wall of the first bag body near the closed end thereof is heat sealed with the side wall of the second bag body;

when the second bag body is not sealed by the sealing structure, the auxiliary bag opening structure on the first bag body realizes bag opening of the first bag body and the second bag body;

the auxiliary bag opening structure comprises an opening and closing piece, the opening and closing piece comprises two oppositely arranged grabbing pieces, a channel for vomit to flow into is formed between the two grabbing pieces, and the channel is communicated with the inner cavity of the first bag body;

the two grabbing pieces are respectively arranged on the side wall of the first bag body close to the open end, and the top ends of the two grabbing pieces protrude out of the open end of the first bag body, so that a user can grab the two grabbing pieces to open the first bag body;

when the two grasping sheets are far away from each other under the action of external force, the channel is opened, and vomit flows into the inner cavity of the first bag body from the channel;

when vomit is collected, the two grabbing pieces approach to each other under the action of external force, so that the two grabbing pieces are attached to each other, and the channel is closed.

3. The vomitus receiving bag according to claim 2, wherein the tab is formed with a crease line, the tab is divided by the crease line into an upper flap and a lower flap, the lower flap is heat-sealed with the sidewall of the first bag body near the open end thereof, the upper flap protrudes outward from the open end of the first bag body, and the upper flap protrudes from the open end of the second bag body.

4. The vomit receiving bag according to claim 3, wherein the grasping piece is formed by a first straight line segment, a second straight line segment, a first arc segment, a third straight line segment, a second arc segment and a fourth straight line segment which are connected end to end in sequence,

the first straight line section and the third straight line section are parallel to each other, the perpendicular bisector of the first straight line section is superposed with the perpendicular bisector of the third straight line section,

the second straight line section and the fourth straight line section are symmetrically arranged by taking a perpendicular bisector of the first straight line section as a symmetry axis;

the first arc line segment and the second arc line segment are symmetrically arranged by taking a perpendicular bisector of the first straight line segment as a symmetry axis;

the first arc line segment and the second arc line segment are respectively bent towards the first straight line segment;

one end of the crease line is connected with the midpoint of the first arc line segment, the other end of the crease line is connected with the midpoint of the second arc line segment, the part between the crease line and the first straight line segment forms the lower folding piece, and the part between the crease line and the third straight line segment forms the upper folding piece.

5. The vomitus receiving bag according to claim 2,

the sealing structure arranged at the open end of the second bag body comprises a drawstring and an installation channel matched with the drawstring, at least two installation holes are formed in the installation channel, the drawstring penetrates through the installation channel from the installation holes, and when the drawstring is tightened under the action of external force, the open end of the second bag body is sealed;

the two mounting holes are oppositely formed in the two side walls of the second bag body, and the mounting holes are formed in the side walls provided with the grabbing pieces.

6. The vomitus receiving bag according to claim 1, wherein the filter element disposed in the second bag body comprises a non-woven fabric;

the first bag body comprises a PE film bag;

the second bag body comprises a PE film bag.

7. The vomitus receiving bag according to claim 1,

the size of the first bag body is smaller than that of the second bag body;

the shape of the first bag body is the same as or different from that of the second bag body.

8. The vomitus receiving bag according to claim 1, wherein the sealing structure comprises a zipper and a zipper matching with the zipper; when in use, the zipper is in an open state, so that vomit is collected from the open end of the first bag body; when vomit is collected, the open end of the first bag body is closed by the auxiliary bag opening structure, the zipper is locked by the zipper, and the first bag body is contained in the second bag body.

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