CN215783448U - Reagent bottle - Google Patents

Abstract

The utility model discloses a reagent bottle, which comprises a body, a bottle cap, a first fitting piece and a second fitting piece, wherein the bottle cap is provided with a bottle opening; the body is provided with an accommodating cavity and a first opening communicated with the accommodating cavity, and the bottle cap is movably covered at the first opening of the body; the first fitting piece is arranged on the body, and the second fitting piece is arranged on the bottle cap; when the bottle cap moves to the first opening opposite to the body and is opened, the bottle cap is fixed on the body through the second matching piece and the first matching piece in a matching mode. The technical scheme that this reagent bottle provided makes this bottle lid can be fixed in the body through second fitting piece and first fitting piece cooperation on the open mode, and bottle lid and body need not the separation, effectively avoids depositing problem and cross contamination's of bottle lid when the open mode problem, and the bottle lid can not obstruct the drawing liquid operation in the use, and the while also convenient to use person covers the bottle lid fast in the first opening part of body after the drawing liquid is accomplished, avoids the error.

Description

Reagent bottle

Technical Field

The utility model belongs to the technical field of in-vitro diagnosis, and particularly relates to a reagent bottle.

Background

The existing pathological diagnosis is a method for diagnosing diseases and morphological structure and functional metabolic changes and disease outcome of diseased organisms in the disease process by processing and dyeing pathological tissues so as to outline the morphological changes of cells and cell nuclei and detect the expression of target proteins or nucleic acids, and can provide necessary theoretical basis and practical basis for diagnosis, treatment and prevention of diseases.

The common technical methods for pathological diagnosis are as follows: hematoxylin-eosin staining (HE staining), Immunohistochemistry (IHC), In Situ Hybridization (ISH), and the like. Among them, HE staining is mainly used for staining cell tissues and is the most basic staining method in pathological section. Immunohistochemical IHC is used for positioning, qualitative and quantitative display of target protein, and is commonly used for definite diagnosis of tumor, tumor typing, guidance prognosis and the like; in situ hybridization ISH is used for detecting specific nucleic acid sequences in tissues and cells, and is commonly used for genetic disease diagnosis, mutant gene detection, guidance of targeted treatment schemes and the like.

The immunohistochemical technology is characterized in that the distribution and the content of certain chemical components in a tissue section or a cell specimen are subjected to in-situ qualitative, positioning or quantitative research by using a marked specific antibody; the primary antibody generally recognizes tissue antigens, the labeled secondary antibody recognizes the primary antibody, and then the substrate is developed under the action of enzyme directly/indirectly connected to the secondary antibody, so that the specific recognition of corresponding antigens is achieved, and diagnosis by doctors is assisted.

The reagent bottle is used as a container of an immune color reagent, the sealing performance of the reagent bottle needs to be ensured in the transportation process, and the reagent bottle needs to be accurately positioned with an instrument in the using process. The existing reagent bottle scheme has the following problems:

the reagent bottle cap needs to be unscrewed in the using process and placed in a container with a numbering sequence (different types of reagents are filled in the reagent bottle, and the bottle body and the bottle cap need to be in one-to-one correspondence in order to prevent cross contamination). In practical application, the taking disorder is easily caused, so that the reagent cross contamination is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reagent bottle, which is used for overcoming the defect that reagent cross contamination is caused by taking disorder easily in the using process of a reagent bottle cap in the prior art.

The technical scheme is as follows:

a reagent bottle comprises a body, a bottle cap, a first fitting piece and a second fitting piece;

the bottle cap is movably covered at the first opening of the body;

the first matching piece is arranged on the body, and the second matching piece is arranged on the bottle cap; when the bottle cap moves to the position corresponding to the first opening of the body and is opened, the bottle cap is fixed on the body through the second matching piece and the first matching piece in a matched mode.

In one embodiment, the reagent bottle further comprises a connector, wherein the connector is at least partially of a flexible bendable structure; the bottle cap is hinged to the body through the connecting piece.

In one embodiment, a clamping groove is formed in the outer wall of the body, which is close to one side of the connecting piece, and the clamping groove is the first matching piece; the bottle cap is provided with a fixture block, and the fixture block is the second fitting piece; the body passes through the fixture block with the draw-in groove joint connect in the outer wall of body.

In one embodiment, the body comprises a bottle body and a connecting body, the bottle body is provided with the accommodating cavity, and the connecting body is detachably sleeved at the bottle opening end of the bottle body; one end of the connecting body, which is far away from the bottle mouth end, is provided with the first opening communicated with the accommodating cavity, and the first matching piece is arranged on the side wall of the connecting body.

In one embodiment, the body further comprises a seal; the sealing element is detachably inserted into the bottle mouth end of the bottle body, and the sealing element is arranged in the connecting body.

In one embodiment, a groove is formed in a position, close to the first opening, of the sealing element, and recessed towards the accommodating cavity, a protrusion is formed at one end, close to the connecting body, of the bottle cap in a protruding mode, and the protrusion is inserted into the groove when the bottle cap covers the first opening of the connecting body.

In one embodiment, the sealing element is of an elastic deformation structure, a piercing part which can be pierced and can restore to deformation after piercing is arranged on at least one part of the sealing element corresponding to the bottleneck of the bottle body, and a second opening communicated with the accommodating cavity is formed after the piercing part is pierced; or the like, or, alternatively,

the sealing element comprises an annular sealing body and elastic pieces arranged along the radial direction of the sealing body, each elastic piece covers the annular structure of the sealing body, two adjacent elastic pieces are mutually abutted, and the two adjacent elastic pieces can be mutually separated to form a second opening under the action of external force.

In one embodiment, a first notch is formed in one end, close to the bottle body, of the connecting body, a rotation stopping boss is arranged at the mouth end of the bottle body, and the connecting body moves until the first notch abuts against the rotation stopping boss to form a relatively fixed state with the bottle body.

In one embodiment, an anti-loosening rib is arranged on the outer wall of the side, opposite to the first notch, of the connecting body, and an anti-loosening boss is arranged on the outer wall of the side, opposite to the rotation stopping boss, of the bottle body;

the first notch is abutted to the rotation stopping boss, the anti-loosening rib is abutted to the anti-loosening boss, and the first notch and the anti-loosening rib are located between the rotation stopping boss and the anti-loosening boss.

A reagent bottle comprises a body, a bottle cap, a first fitting piece and a second fitting piece;

the body is provided with an accommodating cavity and a first opening communicated with the accommodating cavity;

the bottle cap comprises a first cover piece and a second cover piece movably covered with the first cover piece, the first cover piece covers the first opening of the body, the first matching piece is arranged on the first cover piece, and the second matching piece is arranged on the second cover piece; when the second cover part moves to be opened relative to the first cover part, the first cover part is matched and fixed on the second cover part through the first matching part and the second matching part.

The technical scheme provided by the utility model has the following advantages and effects:

this bottle lid activity lid of reagent bottle fits the first opening part of body, can carry out reagent through the bottle lid activity when opening to the first opening of relative body and absorb the operation, the first opening part that fits this body can form encapsulated situation through the bottle lid activity to the lid, wherein the second fitting piece through the first fitting piece of body and bottle lid mutually supports, so that this bottle lid can be fixed in on the body through second fitting piece and first fitting piece cooperation at the open mode, bottle lid and body need not the separation, effectively avoid depositing problem and cross contamination's problem of bottle lid when the open mode, and the bottle lid can not obstruct the drawing liquid operation in the use, the while also convenient to use person fits the first opening part of body with the quick lid of bottle lid after drawing liquid is accomplished, avoid the error.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and, together with the description, serve to explain the principles and effects of the utility model.

Unless otherwise specified or defined, the same reference numerals in different figures refer to the same or similar features, and different reference numerals may be used for the same or similar features.

FIG. 1 is a schematic structural diagram of a reagent bottle according to an embodiment of the present invention, in which a bottle cap is in a closed state;

FIG. 2 is a schematic structural view of the reagent bottle of FIG. 1 with the cover in an open state and clamped to the body;

FIG. 3 is a schematic view of an exploded structure of the reagent bottle of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the reagent bottle of FIG. 1;

FIG. 5 is an enlarged schematic view of the structure at A of the reagent bottle of FIG. 4;

FIG. 6 is a schematic view of the configuration of one of the angles of the reagent bottle of FIG. 3;

FIG. 7 is a schematic view of another angled configuration of the reagent bottle of FIG. 3;

FIG. 8 is a schematic diagram of a top view of a reagent bottle;

FIG. 9 is a schematic sectional view showing the structure of the reagent bottle in the mounted state.

Description of reference numerals:

4. a reagent bottle; 41. a body; 411. a bottle body; 4111. a rotation stopping boss; 4112. a locking boss; 412. a linker; 4121. a first notch; 4122. preventing the tendon from being loosened; 413. an accommodating cavity; 414. a first opening; 42. a bottle cap; 421. a bump; 43. a first mating member; 431. a clamping and connecting plate; 432. clamping convex; 44. a second mating member; 45. a connecting member; 46. a seal member; 461. a groove; 462. a second opening.

Detailed Description

In order to facilitate an understanding of the utility model, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

Unless specifically stated or otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the case of combining the technical solutions of the present invention in a realistic scenario, all technical and scientific terms used herein may also have meanings corresponding to the purpose of achieving the technical solutions of the present invention.

As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.

The present invention provides a reagent bottle 4, as shown in fig. 1 to 9, the reagent bottle 4 comprises a body 41, a bottle cap 42, a first fitting member 43 and a second fitting member 44; the body 41 has an accommodating chamber 413 and a first opening 414 communicated with the accommodating chamber 413, and the bottle cap 42 is movably covered on the first opening 414 of the body 41. The containing cavity 413 of the body 41 is used for loading a reagent, when the cap 42 is moved to open the first opening 414 of the body 41, the reagent can be sucked, and after the sucking is finished, the cap 42 is moved to cover the first opening 414 of the body 41 to form a sealed state.

The first fitting part 43 is arranged on the body 41, and the second fitting part 44 is arranged on the bottle cap 42; when the bottle cap 42 moves to the first opening 414 of the body 41 and is opened, the bottle cap 42 is fixed on the body 41 through the second matching piece 44 and the first matching piece 43 in a matching manner, so that the corresponding bottle cap 42 can be fixed on the body 41 in an opening state, the bottle cap 42 can be effectively ensured not to obstruct the liquid drawing operation in the use process, meanwhile, the first matching piece 43 is separated from the second matching piece 44 after the use is finished, and a user can cover the bottle cap 42 on the first opening 414 of the body 41 quickly after the liquid drawing is finished, thereby avoiding the occurrence of errors. It should be noted that, in other embodiments, the bottle cap 42 of the reagent bottle 4 may include a first cover member and a second cover member movably covered with the first cover member, the first cover member is covered on the first opening 414 of the body 41, the first mating member 43 is disposed on the first cover member, and the second mating member 44 is disposed on the second cover member; when the second cover part moves to be opened relative to the first cover part, the first cover part is fixed on the second cover part through the first matching part 43 and the second matching part 44 in a matching way; i.e. the first and second fittings 43, 44 are provided on the closure 42 to enable the first cover member to be secured relative to the second cover member.

In conclusion, the cap 42 of the reagent bottle 4 is movably covered on the first opening 414 of the body 41, reagent aspiration can be performed by moving cap 42 to open first opening 414 relative to body 41, the bottle cap 42 can be moved to cover the first opening 414 of the body 41 to form a sealed state, wherein by the first fitting member 43 of the body 41 and the second fitting member 44 of the cap 42 being fitted to each other, so that the bottle cap 42 can be fixed on the body 41 by the second fitting piece 44 and the first fitting piece 43 in the opening state, the bottle cap 42 and the body 41 do not need to be separated, the storage problem and the cross contamination problem of the bottle cap 42 in the opening state can be effectively avoided, and the bottle cap 42 can not obstruct the liquid drawing operation in the using process, meanwhile, the user can conveniently and quickly cover the bottle cap 42 on the first opening 414 of the body 41 after the liquid is pumped, thereby avoiding errors.

In some embodiments, as shown in fig. 3 and 5, the reagent bottle 4 further comprises a connector 45, the connector 45 being at least partially of a flexible bendable structure; the cap 42 and the body 41 are hingedly connected by a connecting member 45. It can be understood that the flexible bending structure of the connecting member 45 can form a hinge axis, so that the bottle cap 42 can rotate relative to the body 41 by using the flexible bending structure of the connecting member 45 as a hinge axis, so that the bottle cap 42 can rapidly rotate to cover the first opening 414 of the body 41 or open relative to the first opening 414 of the body 41. In this embodiment, a flexible and bendable structure is formed at the middle of the connecting member 45, so that the bottle cap 42 can be smoothly rotated onto the body 41 for fixing.

In some embodiments, as shown in fig. 2 and 3, the outer wall of the body 41 near the connecting piece 45 is provided with a slot, which is a first mating piece 43; the bottle cap 42 is provided with a clamping block which is a second matching piece 44; the bottle cap 42 is connected to the outer wall of the body 41 by a latch and a catch. It can be understood that, when the bottle cap 42 moves to the outer wall close to the body 41, at this moment, the bottle cap 42 can be clamped in the clamping groove of the outer wall of the body 41 through the clamping block, so that the bottle cap 42 is stably fixed on the body 41 in the open state, and the clamping block can be separated from the clamping groove under the action of external force, so that the bottle cap 42 can be covered on the body 41 after the liquid pumping is completed, and the operation is simple and convenient. Of course, in other embodiments, the body 41 and the bottle cap 42 may be connected by other detachable connection means, such as a magnetic attraction structure, and the like, which is not limited herein.

In some embodiments, as shown in fig. 3, the reagent bottle 4 further includes two clamping plates 431, the two clamping plates 431 are vertically and spaced apart from the outer wall of the body 41, and the positions of the two clamping plates 431 extending out of the body 41 are matched to form the clamping slots. Specifically, in this embodiment, one side of each clamping plate 431 opposite to the other clamping plate 431 is provided with a clamping protrusion 432, and the two clamping protrusions 432 limit the clamping block together, so that the clamping block is effectively prevented from being disengaged when clamped in the clamping groove.

In some embodiments, as shown in fig. 3 to 5, the body 41 includes a bottle body 411 and a connecting body 412, the bottle body 411 has a receiving cavity 413, the connecting body 412 is detachably sleeved on a bottle opening end of the bottle body 411, an end of the connecting body 412 away from the bottle opening end has a first opening 414 communicated with the receiving cavity 413, and the first fitting 43 is disposed on a sidewall of the connecting body 412. It can be understood that, by providing the connecting body 412 detachably connected, and the connecting body 412 is used for fixing the bottle cap 42 in the turned-over state through the first engaging member 43, the connecting body 412 can be replaced when the bottle cap 42 rotates relative to the connecting body 412 frequently to cause damage, so as to improve the utilization rate of the reagent bottle 4. It should be noted that the connecting body 412 and the bottle body 411 may form a part of a bottle body together, or the connecting body 412 and the bottle cap 42 form a cap structure, which is not limited in this respect, so that the bottle cap 42 can rotate relative to the bottle body or the connecting body 412 of the cap structure.

In this embodiment, the outer peripheral wall that bottle 411 is close to the bottleneck end is provided with the external screw thread, and the inner wall of connector 412 is provided with the internal thread, and the bottleneck end of bottle 411 is located to connector 412 cover, and connector 412 and bottle 411 pass through external screw thread and female screw thread cooperation and form threaded connection, can increase the area of contact of connector 412 and bottle 411 on the one hand, improves the leakproofness between the two, and on the other hand can make this connector 412 and bottle 411 firm connection and convenient to detach. Of course, in other embodiments, the bottle 411 and the connecting body 412 can be connected by a snap-fit connection, and the connection is not limited herein

In some embodiments, as shown in fig. 3-5, body 41 further includes a seal 46; the sealing member 46 is detachably inserted into the mouth end of the bottle body 411, and the sealing member 46 is disposed in the connecting body 412. Understandably, by inserting the sealing element 46 into the inner wall of the mouth end of the bottle body 411 and sleeving the outer wall of the mouth end with the connecting body 412, the sealing element 46 can effectively compensate the size deviation between the bottle body 411 and the connecting body 412, thereby further improving the sealing performance.

In some embodiments, a groove 461 is formed by recessing an end of the sealing member 46 close to the first opening 414 toward the receiving cavity 413, a protrusion 421 is formed by protruding an end of the cap 42 close to the connecting body 412, and when the cap 42 is covered on the first opening 414 of the connecting body 412, the protrusion 421 is inserted into the groove 461 to form a sealing surface structure. It can be understood that, when the connecting body 412 is screwed down relative to the bottle body 411, a first layer of sealing structure is formed between the connecting body 412 and the bottle body 411, and after the bottle cap 42 is buckled into the first opening 414 of the connecting body 412, a second layer of sealing structure is formed between the sealing element 46 and the bottle cap 42, so that the sealing performance can be further effectively improved by the double-layer sealing structure, and when the bottle cap 42 is opened, the sealing element 46 can still have good sealing performance, and the problems of reagent volatilization, tipping and leakage can be effectively avoided.

In some embodiments, as shown in fig. 8, the sealing member 46 is of an elastically deformable structure, and a piercing portion capable of piercing and restoring deformation after piercing is at least partially disposed on the sealing member 46 corresponding to the mouth of the bottle 411. Understandably, the piercing part can extract the reagent after piercing through a sampling needle and the like, and after the sampling needle is removed after the suction is completed, the elastic deformation capacity of the sealing element 46 recovers the deformation, so that the sealing performance is better, and the problems of reagent volatilization, tipping and leakage are effectively avoided. In another embodiment, the sealing element 46 includes an annular sealing body, and elastic pieces arranged along the radial direction of the sealing body, each elastic piece covers the annular structure of the sealing body, and two adjacent elastic pieces are abutted to each other, and can be separated from each other under the action of external force to form the second opening 462, when reagent needs to be sucked, a reagent needle can be easily inserted into the second opening 462 to enter the accommodating cavity 413 to extract the reagent, and after the reagent is extracted, the second opening 462 of the sealing element 46 can recover to deform and form the closed second opening 462, so that better sealing performance is achieved, and the problems of reagent volatilization, tipping and leakage are effectively avoided. Specifically, the sealing member 46 may be a member having elastic properties such as silicone, and the elastic pieces cooperate to form a cross-shaped second opening 462, and the center of the second opening 462 is coaxially disposed with the first opening 414.

In some embodiments, as shown in fig. 6 and 7, a first notch 4121 is disposed at an end of the connecting body 412 close to the bottle body 411, a rotation stop boss 4111 is disposed at a mouth end of the bottle body 411, and the connecting body 412 moves until the first notch 4121 abuts against the rotation stop boss 4111 to form a relatively fixed state with the bottle body 411. Understandably, when the connecting body 412 moves to the bottom close to the bottle mouth end of the bottle body 411, the first notch 4121 of the connecting body 412 contacts the rotation stopping boss 4111 on the bottle body 411, and at this time, the first notch 4121 can limit the continuous movement of the rotation stopping boss 4111, so that the connecting body 412 rotates to the position where the first notch 4121 abuts against the rotation stopping boss 4111, the connecting body 412 forms a fixed state relative to the bottle body 411, thereby ensuring the relative distance between the bottle mouth end surface of the bottle body 411 and the inner end surface of the connecting body 412, increasing the reliability of sealing, and accurately positioning the relative position of the bottle cap 42 and the bottle body 411.

In some embodiments, the outer wall of the connecting body 412 opposite to the first notch 4121 is provided with a locking rib 4122, and the outer wall of the bottle 411 opposite to the rotation-stopping boss 4111 is provided with a locking boss 4112; when the first notch 4121 abuts against the rotation-stopping boss 4111, the anti-loosening rib 4122 abuts against the anti-loosening boss 4112, and the first notch 4121 and the anti-loosening rib 4122 are both located between the rotation-stopping boss 4111 and the anti-loosening boss 4112. It can be understood that, when the connector 412 needs to be opened relative to the bottle 411, the anti-loosening rib 4122 of the connector 412 interferes with the anti-loosening boss 4112 of the bottle 411, and the connector 412 can be opened only after the plastic deformation of the connector 412 and the bottle 411 is overcome, so that the problem of leakage caused by the loosening of the connector 412 relative to the bottle 411 in the transportation process can be effectively prevented.

In some embodiments, as shown in fig. 4, a cavity wall of the accommodating cavity 413 opposite to the first opening 414 is inclined toward a side away from the first opening 414 to form an inverted triangle structure, and a bending portion of the inverted triangle structure is disposed opposite to the first opening 414. Understandably, this structure of falling triangle can form the low side of holding chamber 413, and this structure of falling triangle's the department of bending be the least significant end, through the department of bending that makes this structure of falling triangle set up with first opening 414 relatively, can be convenient for reagent to reagent aspirate, effectively avoids reagent to remain, and can effectively reduce the region of invalid volume. It should be noted that, in other embodiments, the cavity wall of the accommodating cavity 413 on the opposite side of the first opening 414 may also be recessed to form a cylinder, a square, etc., and is not limited herein.

In some embodiments, as shown in fig. 9, the outer wall of the body 41 is provided with positioning protrusions, wherein the reagent bottle 4 can be placed on an external device such as a rack body, and a reagent groove is formed on the rack body; the groove wall of the reagent groove is provided with a positioning hole, the body 41 is inserted into the reagent groove, the positioning convex points are clamped into the positioning hole, and the matching of the positioning convex points and the positioning hole can position the direction of the reagent bottle 4 inserted into the reagent groove, so that the reagent bottle 4 can be accurately positioned in the reagent groove, and the reagent bottle 4 is effectively prevented from loosening relative to the reagent groove.

When the drawing description is quoted, the new characteristics are explained; in order to avoid that repeated reference to the drawings results in an insufficiently concise description, the drawings are not referred to one by one in the case of clear description of the already described features.

The above embodiments are provided to illustrate, reproduce and deduce the technical solutions of the present invention, and to fully describe the technical solutions, the objects and the effects of the present invention, so as to make the public more thoroughly and comprehensively understand the disclosure of the present invention, and not to limit the protection scope of the present invention.

The above examples are not intended to be exhaustive of the utility model and there may be many other embodiments not listed. Any alterations and modifications without departing from the spirit of the utility model are within the scope of the utility model.

Claims (10)

1. The reagent bottle is characterized by comprising a body, a bottle cap, a first fitting piece and a second fitting piece;

the bottle cap is movably covered at the first opening of the body;

the first matching piece is arranged on the body, and the second matching piece is arranged on the bottle cap; when the bottle cap moves to the position corresponding to the first opening of the body and is opened, the bottle cap is fixed on the body through the second matching piece and the first matching piece in a matched mode.

2. The reagent bottle of claim 1, further comprising a connector, wherein the connector is at least partially of a flexible, bendable structure; the bottle cap is hinged to the body through the connecting piece.

3. The reagent bottle as claimed in claim 2, wherein the body is provided with a slot on the outer wall of one side close to the connecting piece, and the slot is the first mating piece; the bottle cap is provided with a fixture block, and the fixture block is the second fitting piece; the body passes through the fixture block with the draw-in groove joint connect in the outer wall of body.

4. The reagent bottle of any one of claims 1 to 3, wherein the body comprises a bottle body and a connecting body, the bottle body is provided with the accommodating cavity, and the connecting body is detachably sleeved on the bottle opening end of the bottle body; one end of the connecting body, which is far away from the bottle mouth end, is provided with the first opening communicated with the accommodating cavity, and the first matching piece is arranged on the side wall of the connecting body.

5. The reagent bottle of claim 4, wherein the body further comprises a seal; the sealing element is detachably inserted into the bottle mouth end of the bottle body, and the sealing element is arranged in the connecting body.

6. The reagent bottle as claimed in claim 5, wherein a groove is formed at a position of the sealing member close to the first opening and recessed toward the accommodating chamber, a protrusion is formed at a position of the bottle cap close to the connecting body and protruding downward, and the protrusion is inserted into the groove when the bottle cap is covered on the first opening of the connecting body.

7. The reagent bottle as claimed in claim 5, wherein the sealing member is of an elastically deformable structure, and a piercing part which can be pierced and can recover deformation after piercing is arranged on at least part of the sealing member corresponding to the bottleneck of the bottle body, and a second opening communicated with the accommodating cavity is formed after the piercing part is pierced; or the like, or, alternatively,

the sealing element comprises an annular sealing body and elastic pieces arranged along the radial direction of the sealing body, each elastic piece covers the annular structure of the sealing body, two adjacent elastic pieces are mutually abutted, and the two adjacent elastic pieces can be mutually separated to form a second opening under the action of external force.

8. The reagent bottle of claim 4, wherein a first notch is formed at one end of the connecting body close to the bottle body, a rotation stopping boss is formed at the bottle mouth end of the bottle body, and the connecting body moves until the first notch abuts against the rotation stopping boss to form a relatively fixed state with the bottle body.

9. The reagent bottle of claim 8, wherein the outer wall of the connecting body opposite to the first notch is provided with an anti-loosening rib, and the outer wall of the bottle body opposite to the rotation-stopping boss is provided with an anti-loosening boss;

the first notch is abutted to the rotation stopping boss, the anti-loosening rib is abutted to the anti-loosening boss, and the first notch and the anti-loosening rib are located between the rotation stopping boss and the anti-loosening boss.

10. The reagent bottle is characterized by comprising a body, a bottle cap, a first fitting piece and a second fitting piece;

the body is provided with an accommodating cavity and a first opening communicated with the accommodating cavity;

the bottle cap comprises a first cover piece and a second cover piece movably covered with the first cover piece, the first cover piece covers the first opening of the body, the first matching piece is arranged on the first cover piece, and the second matching piece is arranged on the second cover piece; when the second cover part moves to be opened relative to the first cover part, the first cover part is matched and fixed on the second cover part through the first matching part and the second matching part.

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