CN216888050U

CN216888050U - Multi-layer aseptic sampling bag

Info

Publication number: CN216888050U
Application number: CN202220429698.9U
Authority: CN
Inventors: 刘毅斌; 张志刚; 刘杰; 张九京
Original assignee: Henan Douliang Testing Technology Co ltd
Current assignee: Henan Douliang Testing Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-05
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to a multilayer aseptic sampling bag, which comprises a bag body formed by multilayer structures, wherein a collection screw port is arranged at the top of the bag body, a sealing screw cover is screwed and connected on the collection screw port in a threaded manner to realize the sealing of the bag body, and a sealing ring is arranged in the sealing screw cover; sealing rubber strips are arranged at the upper part in the bag body, and stretching parts are arranged at the front side and the rear side of the bag body corresponding to the lower parts of the sealing rubber strips. The portable multifunctional sampler has the advantages of being not easy to damage, convenient to carry, convenient to sample, multifunctional and the like.

Description

Multi-layer aseptic sampling bag

Technical Field

The utility model relates to an aseptic sampling bag, in particular to a multilayer aseptic sampling bag, and belongs to the technical field of sample collection.

Background

The water sample monitoring in the environmental monitoring refers to physical property monitoring, metal compound monitoring, non-metal inorganic matter monitoring, organic compound monitoring, biological monitoring and substrate monitoring of environmental water bodies (rivers, lakes, reservoirs, underground water and the like) and water pollution sources (domestic sewage, hospital sewage, industrial sewage and the like), wherein a target water body needs to be sampled in the monitoring process, and a sterile sampling bag is used as a sampling container in the sampling process.

As a safe and pollution-free sampling container, the sterile water sample sampling bag is widely applied in the detection industry in recent years, the main source of the sterile water sample sampling bag is imported from foreign countries, the cost is high, the sterile water sample sampling bag is relatively difficult to obtain, and in recent years, some domestic manufacturers produce the sterile water sample sampling bag, but the current domestic sterile water sample sampling bag still has some defects in the using process: 1. the structure is simple, a layer of tearing opening and sealing rubber strip is generally adopted, so that not only is water sample leakage easily caused, but also the safety degree is low, the working efficiency is reduced, and the normal operation of sampling work is not facilitated; 2. the tearing opening of the bag body is simply adopted as a water sample inlet and outlet, so that the operation is very inconvenient, and the water sample pollution is easily caused; 3. the bag body adopts a single-layer structure, has low strength, is easy to damage in the sampling, transporting and lofting processes, reduces the working efficiency and influences the normal operation of the detection work; 4. after a water sample is collected, a sodium thiosulfate solution is usually dripped into the bag body, so that the interference of high-oxidizing substances is reduced, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at the problems in the prior art and provides a multi-layer aseptic sampling bag.

The purpose of the utility model is mainly realized by the following scheme:

the multilayer aseptic sampling bag comprises a bag body formed by multilayer structures, wherein a collection screw port is arranged at the top of the bag body, a sealing screw cover is connected to the collection screw port in a screwed and screwed mode through threads to seal the bag body, and a sealing ring is arranged in the sealing screw cover; sealing rubber strips are arranged at the upper part in the bag body, and stretching parts are arranged at the front side and the rear side of the bag body corresponding to the lower parts of the sealing rubber strips.

Preferably, the side surface of the bag body is provided with scale marks for marking the volume of the liquid.

Preferably, the side of the bag body is provided with a label and a writing area.

Preferably, one side of the bag body is connected with a sealing bag, and a liquid dropping device is placed in the sealing bag.

As preferred, the dropping liquid device includes the dropping liquid pipe, seals end cap, connects rope and spliced pole, the opening part of dropping liquid pipe is pegged graft and is had the end cap to be used for realizing the sealed of dropping liquid pipe, spliced pole fixed connection is on the top of dropping liquid pipe, the both ends of connecting the rope are connected with end cap and spliced pole respectively.

Preferably, the left and right ends of the bag body are symmetrically provided with lifting parts.

Preferably, one side of the top of the bag body is provided with a hanging hole.

Preferably, the lower end of the sealed bottle cap is provided with an opening, the inner wall of the sealed bottle cap is provided with an internal screwing thread, the outer wall surface of the collecting screw port is provided with an external screwing thread, and the internal screwing thread is matched with the external screwing thread.

Preferably, a sealing block is arranged inside the sealing bottle cap, a sealing surface is arranged in the collecting screw port, and the sealing block is tightly attached to the sealing surface when the internal screwing thread and the external screwing thread are screwed tightly.

Preferably, the bag body is of a three-layer structure and is sequentially provided with a first PE layer, a PET layer and a second PE layer from outside to inside.

Therefore, compared with the prior art, the utility model has the following advantages:

(1) according to the utility model, through the collection screw port and the sealing screw cap, the external screwing thread and the internal screwing thread can be tightly matched, and through the arrangement of the sealing block and the sealing surface, a good sealing effect can be achieved on the collection screw port;

(2) the sealing rubber strip is arranged and matched with the sealing screw cap to realize double sealing of the bag body, so that double insurance is formed, leakage of a water sample is avoided, and normal operation of water sample detection is ensured;

(3) according to the utility model, the bag body with the three-layer structure is provided with the first PE material layer, the PET material layer and the second PE material layer from outside to inside in sequence, so that the strength of the bag body is enhanced, the bag body is favorable for use, and the pollution of a water sample caused by the damage of the bag body in the sampling, transporting and lofting processes is avoided;

(4) the bag body is convenient to carry through the arranged hanging holes, the bag body is prevented from falling off from the hand, and the bag bodies can be hung through the hanging holes, so that the bag is convenient to store and use;

(5) the bag body is provided with the notepaper and the writing area, so that the detection condition can be conveniently marked and recorded, and the bag can be widely applied to the requirements of liquid sample detection in the fields of biological medicine, scientific research experiments, environmental protection detection, food and drug detection and the like;

(6) according to the utility model, the sodium thiosulfate is added into the water sample conveniently after the sampling is finished by the arranged liquid dropping device, and the operation is simple.

Drawings

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

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a schematic view of the structure of the present invention with the sealing screw cap separated from the collection screw;

FIG. 4 is a schematic view showing the internal structure of the sealing screw cap and the collection screw according to the present invention;

fig. 5 is a schematic view of the internal structure of the bag of the present invention.

Illustration of the drawings: 1-bag body, 2-collection screw, 3-sealing screw cap, 4-sealing ring, 5-sealing rubber strip, 6-stretching part, 7-scale mark, 8-label, 9-writing area, 10-sealing bag, 11-dropping tube, 12-sealing plug, 13-connecting rope, 14-connecting column, 15-pulling part, 16-hanging hole, 17-internal tightening thread, 18-external tightening thread, 19-sealing block, 20-sealing surface, 21-first PE layer, 22-PET layer and 23-second PE layer.

Detailed Description

The technical solution of the present invention is further specifically described below by using specific embodiments and with reference to the accompanying drawings. It is to be understood that the practice of the utility model is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the utility model.

In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.

Example 1:

as shown in fig. 1, 2 and 5, the utility model provides a technical scheme that a multilayer sterile sampling bag comprises a bag body 1 formed by multilayer structures, wherein the top of the bag body 1 is communicated with a collection screw port 2, a sealing screw cover 3 is screwed and connected on the collection screw port 2 in a threaded manner to realize the sealing of the bag body 1, and a sealing ring 4 is arranged in the sealing screw cover 3; a sealing rubber strip 5 is arranged at the upper part in the bag body 1, and stretching parts 6 are arranged at the front and back sides of the bag body 1 corresponding to the lower parts of the sealing rubber strip 5.

Preferably, above-mentioned bag body 1 adopts three layer construction, is first PE layer 21, PET layer 22 and second PE layer 23 from outer to interior in proper order, has strengthened the intensity of the bag body, is favorable to the use of the bag body 1, avoids taking a sample, transporting, the pollution that the lofting in-process bag body 1 is impaired and lead to the water sample.

Preferably, the length of the sealing rubber strip 5 just can realize the complete sealing of the inner cavity of the bag body 1.

Preferably, the stretching part 6 is bonded outside the bag body 1, and a groove for inserting a finger is formed in the middle of the stretching part 6, so that the sealing rubber strip 5 can be pulled open through the stretching part 6.

Example 2:

as shown in fig. 1, 3 and 4, the present invention provides a technical solution, which is different from the embodiment 1 in that the front surface of the bag body 1 is provided with a graduation mark 7 for marking the volume of liquid.

Preferably, the front and the back of the bag body 1 are respectively provided with a label 8 and a writing area 9, so that the detection condition can be conveniently marked and recorded, and the bag can be widely applied to the requirements of liquid sample detection in the fields of biological medicine, scientific research experiments, environmental protection detection, food and drug detection and the like.

Preferably, one side of the bag body 1 is connected with the sealing bag 10, the dropping liquid device has been placed in the sealing bag 10, and is concrete, the dropping liquid device is by dropping liquid pipe 11, shutoff head 12, connect rope 13 and spliced pole 14 and constitute, the opening part of dropping liquid pipe 11 is pegged graft and is had shutoff head 12 and be used for realizing the sealed of dropping liquid pipe 11, spliced pole 14 fixed connection is on the top of dropping liquid pipe 11, connect the both ends of rope 13 and be connected with shutoff head 12 and spliced pole 14 respectively, dropping liquid pipe 11 is used for storing the sodium thiosulfate solution.

Preferably, the left end and the right end of the bag body 1 are symmetrically provided with the lifting parts 15, so that the sample can be conveniently taken and used, and the operation is simple.

Preferably, the top one side of the bag body 1 is provided with two hanging holes 16, so that the bag body 1 can be conveniently carried, the bag body 1 is prevented from falling off from the hand, and the bag body 1 can be hung through the hanging holes 16, thereby being convenient for storage and use.

Preferably, the lower extreme opening of sealed bottle lid, and its inner wall is equipped with internal screw thread 17, collect the outer wall of screw thread 2 and be equipped with external screw thread 18, internal screw thread 17 and external screw thread 18 phase-match, sealed bottle lid is inside to be equipped with sealed piece 19, be equipped with sealed face 20 in the collection screw thread 2, sealed piece 19 and sealed face 20 closely laminate when internal screw thread 17 and external screw thread 18 are screwed, can play good sealed effect to collecting screw thread 2, guarantee that the leakproofness of the bag body 1 is good.

According to the multilayer aseptic sampling bag provided by the utility model, the external screwing thread and the internal screwing thread can be tightly matched through the collection screw port and the sealing screw cap, and the collection screw port can be well sealed through the sealing block and the sealing surface; the sealing rubber strip is matched with the sealing screw cap to realize double sealing of the bag body, so that double insurance is formed, leakage of a water sample is avoided, and normal operation of water sample detection is ensured; through the three-layer structure bag body, the bag body is sequentially provided with the first PE material layer, the PET material layer and the second PE material layer from outside to inside, so that the strength of the bag body is enhanced, the bag body is favorable for use, and the pollution of a water sample caused by the damage of the bag body in the sampling, transporting and lofting processes is avoided; the bag body is convenient to carry and prevent from falling off from the hand through the arranged hanging holes, and the bag bodies can be hung through the hanging holes, so that the bag body is convenient to store and use; through the notes and the writing area arranged on the bag body, the detection condition can be conveniently marked and recorded, and the bag can be widely applied to the requirements of liquid sample detection in the fields of biological medicine, scientific research experiments, environmental protection detection, food and drug detection and the like; through the dropping liquid device that sets up, in adding the water sample with sodium thiosulfate after convenient sample is accomplished, easy operation.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the claims appended to the present application.

Claims

1. The multi-layer aseptic sampling bag is characterized in that: the bag comprises a bag body (1) formed by a multilayer structure, wherein a collection screw (2) is arranged at the top of the bag body (1), a sealing screw cover (3) is connected to the collection screw (2) in a threaded manner to seal the bag body (1), and a sealing ring (4) is arranged in the sealing screw cover (3); sealing rubber strips (5) are installed on the upper portion in the bag body (1), and stretching portions (6) are arranged on the front side and the rear side of the bag body (1) and correspond to the lower portions of the sealing rubber strips (5).

2. A multi-layered, sterile sampling bag according to claim 1, wherein: the side of the bag body (1) is provided with scale marks (7) for marking the volume of the liquid.

3. A multi-layered, sterile sampling bag according to claim 2, wherein: the side of the bag body (1) is provided with a label (8) and a writing area (9).

4. A multi-layered sterile sampling bag according to claim 1, wherein: one side of the bag body (1) is connected with a sealing bag (10), and a liquid dropping device is placed in the sealing bag (10).

5. A multi-layered, sterile sampling bag according to claim 4, wherein: the dropping liquid device includes dropping liquid pipe (11), shutoff head (12), connects rope (13) and spliced pole (14), the opening part of dropping liquid pipe (11) is pegged graft and is had shutoff head (12) for realizing the sealed of dropping liquid pipe (11), spliced pole (14) fixed connection is on the top of dropping liquid pipe (11), the both ends of connecting rope (13) are connected with shutoff head (12) and spliced pole (14) respectively.

6. A multi-layered, sterile sampling bag according to claim 1, wherein: the left end and the right end of the bag body (1) are symmetrically provided with lifting parts (15).

7. The multi-layered, aseptic sampling bag according to claim 6, wherein: one side of the top of the bag body (1) is provided with a hanging hole (16).

8. A multi-layered, sterile sampling bag according to claim 1, wherein: the lower end opening of sealed spiral shell lid (3), and its inner wall is equipped with interior screw thread (17), the outer wall of collecting screw socket (2) is equipped with outer screw thread (18), interior screw thread (17) and outer screw thread (18) phase-match of screwing.

9. A multi-layered, sterile sampling bag according to claim 8, wherein: the sealing device is characterized in that a sealing block (19) is arranged inside the sealing screw cap (3), a sealing surface (20) is arranged in the collecting screw port (2), and the sealing block (19) is tightly attached to the sealing surface (20) when the internal screwing thread (17) and the external screwing thread (18) are screwed.

10. A multi-layered sterile sampling bag according to claim 1, wherein: the bag body (1) is of a three-layer structure and is sequentially provided with a first PE layer (21), a PET layer (22) and a second PE layer (23) from outside to inside.