Reagent bottle and liquid separation device

Abstract

The utility model discloses a reagent bottle and a liquid separation device. The reagent bottle comprises a bottle body and a cover body, a reagent cavity for accommodating a reagent is defined in the bottle body, and the bottle body is provided with a liquid separation opening for assembling a liquid separator and a filling opening for filling the reagent; the reagent cavity is communicated with the outside through the liquid separation opening and the filling opening respectively; and the cover body is detachably arranged on the bottle body so as to seal and cover the filling opening. According to the invention, the process of filling operation can be simplified, and the waste of reagents is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of testing instruments, and in particular to a reagent bottle and a liquid dispensing device. Background Art

[0002] Most existing reagent bottles have a single opening. When used with a dispenser, filling the bottle with reagent requires first removing the dispenser and opening the bottle. After filling, the dispenser's tubing must be thoroughly rinsed and filled before use. This filling process is tedious, and rinsing the dispenser also results in some reagent waste. Utility Model Content

[0003] The present application provides a reagent bottle and a liquid dispensing device, which can solve the problems of cumbersome reagent filling process and wasteful rinsing of the liquid dispenser when the reagent bottle is used with the liquid dispenser.

[0004] In one embodiment, a reagent bottle is provided, comprising: a bottle body, defining a reagent cavity for accommodating a reagent, and provided with a liquid separation port for assembling a liquid dispenser and a filling port for filling the reagent; the liquid separation port and the filling port respectively connect the reagent cavity with the outside world; and a cover body, the cover body being detachably provided on the bottle body to seal or open the filling port.

[0005] In some embodiments, the filling port is obliquely arranged on the side wall of the bottle body, and the opening direction of the filling port is arranged upward.

[0006] In some embodiments, the filling port is arranged on a side of the bottle body away from the bottom end of the reagent chamber; and / or, the liquid separation port is arranged at the highest horizontal position of the bottle body, and the filling port is arranged on a side adjacent to the liquid separation port; and / or, the filling port and the liquid separation port are of comparable size.

[0007] In some embodiments, the cover body includes a connected sealing portion and an operating portion, the sealing portion is sealed and connected to the filling port to seal the filling port; the operating portion is arranged on a side of the sealing portion away from the reagent chamber and is located outside the filling port.

[0008] In some embodiments, the cross-sectional area of ​​the sealing portion gradually increases from the side away from the operating portion toward the side close to the operating portion; and / or the cross-sectional area of ​​the operating portion is greater than or equal to the cross-sectional area of ​​the sealing portion.

[0009] In some embodiments, the liquid separation port is coaxially arranged with the central axis of the bottle body; the bottom wall of the reagent chamber is arranged in a curved surface and converges toward the central axis of the bottle body.

[0010] In some embodiments, the bottle body includes a first part and a second part that are connected, the first part is arranged at one end of the second part, and the two together define the reagent chamber; the liquid separation port and the filling port are respectively arranged on the first part, and are located at the end of the first part away from the second part; the area of ​​the horizontal cross-section of the first part gradually decreases from the connection with the second part to the end away from the second part; and / or the area of ​​the horizontal cross-section of the second part gradually decreases from the connection with the first part to the end away from the first part.

[0011] In some embodiments, the bottle body further comprises a bottle mouth portion detachably connected to the liquid dispenser, the bottle mouth portion is in the shape of a tube with two ends connected therethrough, and is arranged at the liquid dispensing port of the first part.

[0012] In some embodiments, the bottle body further includes a handle, and the handle is disposed on the bottle mouth and / or the first portion.

[0013] A liquid separation device is provided, comprising a liquid separator and a reagent bottle as described in any of the aforementioned embodiments; the liquid separator comprises a main body and a pipeline, and the pipeline is arranged on the main body; the main body is detachably connected to the liquid separation port; at least a portion of the pipeline extends into the reagent chamber, and the end away from the main body is arranged close to the bottom end of the reagent chamber.

[0014] According to the reagent bottle and liquid dispensing device of the above embodiment, by providing a filling port, when it is necessary to fill the reagent into the reagent chamber, there is no need to disassemble the liquid dispenser, and filling can be performed directly from the filling port, thereby simplifying the process of the filling operation. By providing the filling port, the problem of gas generation in the liquid dispenser pipeline due to disassembly can also be avoided, and the operation step of re-rinsing the liquid dispenser can be subtracted, further reducing the process of the filling operation and reducing the waste of reagents. By providing a cover body, it is possible to prevent external impurities from falling into the reagent chamber through the filling port during the liquid dispensing period, thereby ensuring the purity of the reagent and improving the stability of the environment in the reagent chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic cross-sectional view of a reagent bottle according to an embodiment of the present application;

[0016] Figure 2 yes Figure 1 A schematic structural diagram of the cover body;

[0017] Figure 3 Is a Figure 1 A schematic cross-sectional view of the structure of the liquid dispensing device of the reagent bottle shown;

[0018] The accompanying drawings are numerals as follows:

[0019] 1-reagent bottle; 10-bottle body; 11-first part; 12-second part; 13-bottle mouth; 14-handle; 15-liquid dispensing port; 16-filling port; 17-reagent chamber; 20-cover; 21-sealing part; 22-operating part; 2-liquid dispenser; 201-main body; 202-pipeline. DETAILED DESCRIPTION

[0020] The present application is further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail. They can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0021] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various embodiments. Furthermore, the steps or actions in the method description may be reordered or adjusted in a manner readily apparent to those skilled in the art. Therefore, the various sequences in the specification and drawings are provided solely for the purpose of clearly describing a particular embodiment and are not intended to be mandatory, unless otherwise specified.

[0022] The serial numbers assigned to components herein, such as "first," "second," etc., are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).

[0023] like Figure 1 and Figure 2As shown, the present application constructs a reagent bottle 1 for accommodating reagents. It can be used alone or in conjunction with a liquid dispenser 2. The reagent bottle 1 may include a bottle body 10 and a cover body 20. The bottle body 10 defines a reagent chamber 17 for accommodating reagents. The bottle body 10 is also provided with a liquid separation port 15 and a filling port 16, which can respectively connect the reagent chamber 17 to the external environment. The liquid separation port 15 can be used to assemble the liquid dispenser 2. When the liquid dispenser 2 is not provided, the liquid separation port 15 can also be sealed by a cover-like structure. The filling port 16 is used for filling reagents. The cover body 20 can be detachably arranged at the filling port 16 of the bottle body 10 for sealing or opening the filling port 16.

[0024] It should be understood that when used with the dispenser 2, after all the reagents in the bottle 10 are dispensed, new reagents need to be refilled into the bottle 10. During the filling process of the current reagent bottle, the dispenser 2 needs to be removed from the liquid dispensing port 15 and the reagent chamber 17 needs to be filled through the liquid dispensing port 15.

[0025] By providing the filling port 16, the present application can fill the reagent chamber 17 with reagents without disassembling the dispenser 2 and can directly fill the reagents from the filling port 16. This arrangement reduces the steps of disassembling and reassembling the dispenser 2 and simplifies the process of the filling operation.

[0026] It should be understood that when the liquid dispenser 2 is used to dispense reagents, there are situations where the volume of liquid dispensed needs to be strictly controlled to ensure the accuracy of the liquid dispensed. After the liquid dispenser 2 is reassembled after filling, in order to ensure the accuracy of the liquid dispensed by the liquid dispenser, the pipeline of the liquid dispenser 2 needs to be rinsed to ensure that there is no gas in the pipeline. During the rinsing process, at least part of the residual reagent in the pipeline needs to be discharged along with the gas, and this part of the reagent will be wasted.

[0027] By setting the filling port 16, the present application can also avoid the problem of gas generation in the pipe of the dispenser 2 due to disassembly, so the operation step of re-rinsing the dispenser 2 can be eliminated, further reducing the process of the filling operation and reducing the waste of reagents.

[0028] The present application provides a cover 20 to prevent foreign matter from entering the reagent chamber 17 through the filling port 16 during the liquid separation process, thereby ensuring the purity of the reagent. For reagents that require a temporary storage environment, the provision of the cover 20 can also improve the stability of the environment in the reagent chamber 17.

[0029] like Figure 1As shown, in some embodiments, the bottle body 10 may include a first portion 11 and a second portion 12. The first portion 11 and the second portion 12 are fixed to each other. The first portion 11 is disposed at the top of the second portion 12 and generally has a shell structure with an opening facing downward. The second portion 12 generally has a shell structure with an opening facing upward. The openings of the first portion 11 and the second portion 12 are connected to each other, thereby defining a reagent chamber 17.

[0030] The area of ​​the horizontal cross section of the first portion 11 may gradually decrease from the connection with the second portion 12 to the end away from the second portion 12 .

[0031] The area of ​​the horizontal cross section of the second portion 12 may also gradually decrease from the connection with the first portion 11 to the end away from the first portion 11 .

[0032] In some embodiments, the first portion 11 and the second portion 12 may also be coaxially arranged. Figure 1 In the illustrated embodiment, the common axis of the first portion 11 and the second portion 12 is the axis M, the axis passing through the connecting surface of the first portion 11 and the second portion 12 is the dividing line N, and the axis M and the dividing line N are perpendicular to each other.

[0033] It is now defined that in the extension direction of the axis M, the first portion 11 is located at the top end of the second portion 12 , and the second portion 12 is located at the bottom end of the first portion 11 .

[0034] Then, in Figure 1 In the illustrated embodiment, the cross-sectional area of ​​the first portion 11 perpendicular to the axis M gradually decreases from the dividing line N to the top end along the extension direction of the axis M. The cross-sectional area of ​​the second portion 12 perpendicular to the axis M also gradually decreases from the dividing line N to the bottom end along the extension direction of the axis M.

[0035] The bottle 10 is configured in such a manner that the reagent can be easily accumulated at the bottom of the reagent chamber 17. When a relatively small amount of reagent is present in the reagent chamber 17, the concentrated accumulation of the reagent at the bottom of the reagent chamber 17 facilitates the removal of the small amount of reagent, further reducing the waste of the reagent.

[0036] In some embodiments, the horizontal cross-sectional shapes of the first portion 11 and the second portion 12 may be centrally symmetrical. Figure 1 In the embodiment shown, both of the cross-sections are circular when perpendicular to the axis M. The central symmetry of the cross-sections can further improve the stability of the bottle body 10 and reduce the probability of tipping.

[0037] It should be understood that the cross-sectional shapes of the first portion 11 and the second portion 12 may be the same or different. For example, the horizontal cross-sectional shape of the first portion 11 may be circular, and the horizontal cross-sectional shape of the second portion 12 may be square.

[0038] In some embodiments, the first portion 11 and / or the second portion 12 may also have at least a partial axial segment, and the shape and area of ​​the horizontal cross section thereof remain consistent.

[0039] For example, the cross-sectional shape of the first portion 11 at all locations along the extension direction of the axis M may be a circle of uniform size. Alternatively, the cross-sectional shape of the first portion 11 may be a circle of uniform size in a section of the axis M near the dividing line N, while the cross-sectional shape of the first portion 11 may be a circle (or other shape) with a gradually varying area in a section of the axis M near the top. The same applies to the second portion 12 and will not be further described here.

[0040] It should be understood that the length of the first part 11 along the axis M direction may be less than the length of the second part 12 along the axis M direction, or may be equal to or greater than the length of the second part 12 along the axis M direction, which is not specifically limited here.

[0041] In some embodiments, the bottom of the bottle body 10, i.e., the bottom of the second portion 12, has a flat outer surface and a curved inner surface. The curved lowermost end of the inner surface forms the bottom of the reagent chamber 17. This arrangement further improves the accumulation of reagents at the bottom of the reagent chamber 17, reducing reagent waste. The flat outer surface facilitates the placement of the reagent bottle 1 and improves its stability.

[0042] It is important to understand that both “outside” and “inside” are based on Figure 1 In the structure shown, the side of the bottle body 10 close to the reagent chamber 17 is the inner side, and the side away from the reagent chamber 17 is the outer side.

[0043] In some embodiments, the inner side surface of the bottom end of the bottle body 10 can also be set to an inclined plane or arc surface structure, so that the bottom end of the reagent chamber 17 is an inverted cone or other shape that is convenient for reagent collection.

[0044] In some embodiments, the liquid dispensing port 15 is disposed at the highest level (topmost end) of the bottle body 10 , and the filling port 16 is disposed adjacent to one side of the liquid dispensing port 15 .

[0045] This arrangement allows the filling port 16 to be as close as possible to the top of the bottle body 10 for easier filling of the reagent. Furthermore, under the premise that the volume of the bottle body 10 remains the same, increasing the height of the filling port 16 can also increase the volume of the reagent that the bottle body 10 can actually accommodate.

[0046] exist Figure 1 In the illustrated embodiment, the liquid dispensing port 15 and the filling port 16 are respectively provided on the first portion 11, with the liquid dispensing port 15 being located on the top wall of the top end of the first portion 11 and being coaxial with the first portion 11. The filling port 16 is located on one side of the liquid dispensing port 15 and is adjacent to the liquid dispensing port 15.

[0047] Such a setting position of the liquid dispensing port 15 can facilitate the assembly of the liquid dispenser 2 and the bottle body 10 , and can also improve the space utilization of the reagent chamber 17 .

[0048] The filling port 16 can be disposed on one side of the liquid separation port 15 and as close to the liquid separation port 15 as possible, so as to maximize the space utilization of the reagent chamber 17 .

[0049] In some embodiments, when the bottle body 10 has a sidewall portion that is inclined at a certain angle, the filling port 16 can be disposed on the inclined sidewall. The opening direction of the filling port 16 is disposed upward.

[0050] It should be understood that "the opening direction of the filling port 16 is arranged upward" can be understood as an angle between the plane where the filling port 16 is located and the axis M. It can also be understood that an angle exists between the axis of the filling port 16 and the axis M, and the angle is not equal to 90 degrees.

[0051] For example, when the filling port 16 is located on one side of the axis of the first portion 11 , the filling port 16 can be provided on a side wall of the first portion 11 at a certain inclination angle, utilizing the gradually changing horizontal cross-sectional area of ​​the first portion 11 .

[0052] Current definition Figure 1 In the embodiment shown, in the extension direction of the axis M, the extension direction from the bottom end to the top end is the first direction, and the extension direction of the filling port 16 from the side close to the reagent chamber 17 to the side away from the reagent chamber 17 is the second direction ( Figure 1 Then, “the opening direction of the filling port 16 is arranged upward” can be understood as that the angle between the first direction and the second direction is an acute angle.

[0053] It should be understood that during the reagent filling process, there may be leakage of the reagent. The leaked reagent will flow down the outer wall of the bottle body 10, resulting in reagent waste. By setting the filling port 16 at a certain angle, it can be facilitated to pour the reagent and reduce the leakage and waste of the reagent.

[0054] In other optional embodiments, the filling port 16 can also be disposed on a side of the bottle body 10 away from the bottom end of the reagent chamber 17. In this embodiment, when a flat top wall of a certain area exists on the top of the first portion 11, the liquid separation port 15 and the filling port 16 can both be disposed on the top wall of the first portion 11. The liquid separation port 15 can also be disposed on the side wall of the first portion 11 near the top, horizontally, at a certain angle, or even vertically.

[0055] In some other optional embodiments, the liquid separation port 15 may be arranged non-coaxially with the first portion 11. In this embodiment, the liquid separation port 15 may be arranged on one side of the axis of the first portion 11. It may be arranged symmetrically with the filling port 16 along the axis of the first portion 11, or it may be arranged flexibly. The filling port 16 may also be arranged coaxially with the first portion 11.

[0056] It should be understood that the filling port 16 may be an opening of a certain area, for example, comparable in size to the opening of the liquid separation port 15 , or slightly larger / smaller than the liquid separation port 15 .

[0057] By providing a filling port 16 with a larger opening area, it is possible to facilitate the pouring of the reagent, improve the filling efficiency, and reduce leakage of the reagent during the filling process.

[0058] In some embodiments, the liquid dispensing port 15 can be coaxial with the central axis of the bottle body 10 . The bottom wall of the reagent chamber 17 can be curved and converge toward the central axis of the bottle body 10 .

[0059] For example, in Figure 1 In the embodiment shown, the liquid separation port 15, the first portion 11 and the second portion 12 are coaxially arranged. The inner surface of the bottom end of the second portion 12 is arranged in an arc shape, and the bottom end of the arc shape is located in the extension direction of the axis M.

[0060] This arrangement allows the dispensing port 15 and the bottom end of the reagent chamber 17 to be on the same straight line (axis M). When the dispenser 2 is assembled on the reagent bottle 1, the pipe 202 of the dispenser 2 can extend along this straight line to the bottom end of the reagent chamber 17. When only a small amount of reagent is contained in the reagent chamber 17 at the bottom end, the dispenser 2 can also remove this small amount of reagent.

[0061] In some other optional embodiments, the bottom wall of the reagent chamber 17 may also be formed by at least a plurality of interconnected inclined planes, so that the bottom end of the reagent chamber 17 is in the shape of an inverted cone, a frustum, etc., which can also achieve the collection of reagents.

[0062] In some other optional embodiments, the liquid separation port 15 can also be arranged so that the direction of the line connecting the bottom of the reagent chamber 17 is parallel to the direction of gravity. In this embodiment, the liquid separation port 15 can be arranged non-coaxially with the central axis of the bottle body 10.

[0063] In other optional embodiments, the direction of extension of the liquid dispensing port 15 and the line connecting the bottom end of the reagent chamber 17 may also be at an angle to the direction of gravity. In this embodiment, the reagent bottle 1 may be equipped with a liquid dispenser 2 having a flexible conduit 202. The flexible conduit 202 changes its extension direction within the reagent chamber 17, so that when the main body 201 of the liquid dispenser 2 is installed in the liquid dispensing port 15, the end of the conduit 202 is located at the bottom end of the reagent chamber 17.

[0064] In some embodiments, the bottle body 10 may further include a bottle mouth portion 13 , which may be protruding from the liquid dispensing port 15 of the first portion 11 for detachably connecting with the liquid dispenser 2 .

[0065] The bottle mouth 13 may be in the shape of a tube with two ends connected, and the liquid separation port 15 is connected to the outside world through the bottle mouth 13. In this embodiment, the opening defined by the bottle mouth 13 can also be regarded as the liquid separation port 15.

[0066] In some embodiments, the outer wall of the bottle mouth 13 is provided with a thread, and the bottle mouth 13 is detachably connected to the liquid dispenser 2 through a threaded connection. When the liquid dispenser 2 is not provided, the bottle mouth 13 can also be selected from a common threaded bottle cap to achieve blocking of the liquid dispensing port 15.

[0067] In some other optional embodiments, the bottle mouth portion 13 may also be detachably connected to the liquid dispenser 2 by providing a connecting structure such as a snap structure or a bolt structure.

[0068] In some embodiments, the positional relationship between the bottle mouth 13 and the first portion 11 is related to the position of the liquid separation port 15 on the first portion 11. Figure 1 In the illustrated embodiment, the bottle mouth 13 is disposed at the top end of the first portion 11 and is coaxial with the first portion 11 .

[0069] In some embodiments, the bottle body 10 may further include a handle 14 , which may be provided on the bottle mouth 13 and / or the first portion 11 , for a user to hold the reagent bottle 1 .

[0070] The number of the handle portion 14 can be one or more. For example, when there are two handle portions 14, they can be provided on opposite sides of the first portion 11 to improve the stability of the handling of the reagent bottle 1. Alternatively, one of the handle portions 14 can be provided on the bottle mouth portion 13 and / or the first portion 11, and the other can be provided on the first portion 11 and / or the second portion 12.

[0071] The outer surface of the bottle mouth 13 may also be provided with certain patterns to increase the friction for the user to hold the bottle.

[0072] In some embodiments, the cover 20 can be detachably sealed on the filling port 16 by interference fit.

[0073] like Figure 2 As shown, in some embodiments, the cover 20 may include a sealing portion 21 and an operating portion 22. When the cover 20 is assembled with the bottle body 10, the sealing portion 21 is sealed and connected to the filling port (16), and the operating portion 22 is arranged on a side of the sealing portion 21 away from the reagent chamber 17 and located outside the filling port 16.

[0074] Such a sealing method can improve the sealing performance of the reagent chamber 17 and provide a more stable temporary storage environment for the reagent. By providing the operating portion 22, the cover 20 can be easily disassembled and the sealing effect of the filling port 16 can be further improved.

[0075] In some embodiments, the cross-sectional area of ​​the sealing portion 21 gradually increases from a side away from the operating portion 22 toward a side close to the operating portion 22 .

[0076] By setting the cross-sectional area of ​​the cover body 20 along the thickness direction to gradually increase, an interference fit between the two can be effectively achieved during the process of sealing the filling port 16, and then the filling port 16 can be sealed by the interference fit.

[0077] In other optional embodiments, the cross-sectional area of ​​the operating portion 22 can be set to be equal from the side away from the operating portion 22 to the side close to the operating portion 22, and the cross-sectional area can be set to be larger than the area of ​​the filling port 16. The operating portion 22 can be made of a material with a certain elasticity to achieve the effect of being sealed in the filling port 16.

[0078] In some other optional embodiments, the cross-sectional area of ​​the operating portion 22 may gradually decrease, or first increase and then decrease, etc., in a direction from the side away from the operating portion 22 toward the side close to the operating portion 22 .

[0079] In some embodiments, a sealing member may be provided between the cover 20 and the side wall of the filling port 16 to improve the sealing performance of the reagent chamber 17 after the two are assembled.

[0080] In some embodiments, the cover 20 can be made of a polymer material such as polytetrafluoroethylene (PTFE), which has good acid and alkali resistance and corrosion resistance, and can increase the diversity of reagent types that the reagent bottle 1 can accommodate.

[0081] It should be understood that the first portion 11, the second portion 12, the bottle mouth 13, and the handle 14 of the bottle body 10 can be made integrally or fixed to each other by means of connectors, seals, and other structures, which are not specifically limited here. The sealing portion 21 and the operating portion 22 of the lid body 20 are similarly designed and will not be described in detail here.

[0082] like Figure 3 As shown, the present application also constructs a liquid separation device, which may include a liquid separator 2 and a reagent bottle 1 in any of the aforementioned embodiments.

[0083] The liquid dispenser 2 can be detachably arranged at the liquid dispensing port 15 of the reagent bottle 1. For example, the liquid dispenser 2 can be detachably connected to the bottle mouth portion 13 to achieve the arrangement at the liquid dispensing port 15 of the reagent bottle 1.

[0084] In some embodiments, the liquid dispenser 2 may include a main body 201 and a pipe 202. The main body 201 may be detachably connected to the bottle 10, and may control the amount of reagent drawn out, and a quantitative amount of reagent may be drawn out through the pipe 202 to achieve liquid separation.

[0085] When the dispenser 2 is assembled with the reagent bottle 1 , the main body 201 is disposed on the bottle body 10 , and at least a portion of the conduit 202 extends into the reagent chamber 17 .

[0086] In some embodiments, the end of the pipe 202 away from the main body 201 is arranged close to the bottom of the reagent chamber 17 to facilitate the absorption of the reagent remaining at the bottom of the reagent chamber 17 .

[0087] During use of the liquid separation device, the liquid separator 2 does not need to be disassembled. After the reagent in the reagent chamber 17 is separated, new reagent can be added through the filling port 16 to continue separating the liquid. This improves the efficiency of liquid separation and reduces the number of filling steps.

[0088] The above specific examples are used to illustrate the present application, which is only used to help understand the present application and is not intended to limit the present application. For those skilled in the art of the present application, based on the concept of the present application, they can also make some simple deductions, modifications or substitutions.

Claims

1. A reagent bottle, characterized in that: include: The bottle body (10) defines a reagent chamber (17) for accommodating a reagent, and is provided with a liquid separation port (15) for assembling a liquid dispenser (2) and a filling port (16) for filling the reagent; the liquid separation port (15) and the filling port (16) respectively connect the reagent chamber (17) with the outside world; as well as, A cover (20) is detachably disposed on the bottle body (10) to seal or open the filling port (16).

2. The reagent bottle according to claim 1, characterized in that The filling port (16) is arranged obliquely on the side wall of the bottle body (10), and the opening direction of the filling port (16) is arranged upward.

3. The reagent bottle according to claim 1, characterized in that The filling port (16) is arranged on a side of the bottle body (10) away from the bottom end of the reagent chamber (17); And / or, the liquid separation port (15) is arranged at the highest horizontal position of the bottle body (10), and the filling port (16) is arranged adjacent to one side of the liquid separation port (15); And / or, the filling port (16) is of a size comparable to that of the liquid dispensing port (15).

4. The reagent bottle according to claim 1, characterized in that The cover body (20) includes a connected sealing portion (21) and an operating portion (22), wherein the sealing portion (21) is sealed and connected to the filling port (16) to cover the filling port; the operating portion (22) is arranged on a side of the sealing portion (21) facing away from the reagent chamber (17) and is located outside the filling port (16).

5. The reagent bottle according to claim 4, characterized in that: The cross-sectional area of ​​the sealing portion (21) gradually increases in a direction from a side away from the operating portion (22) toward a side close to the operating portion (22); And / or, the cross-sectional area of ​​the operating portion (22) is greater than or equal to the cross-sectional area of ​​the sealing portion (21).

6. The reagent bottle according to claim 1, characterized in that The liquid separation port (15) is coaxially arranged with the central axis of the bottle body (10); the bottom wall of the reagent chamber (17) is arranged in a curved surface and converges toward the central axis of the bottle body (10).

7. The reagent bottle according to any one of claims 1 to 6, characterized in that: The bottle body (10) comprises a first part (11) and a second part (12) connected to each other, wherein the first part (11) is arranged at one end of the second part (12), and the two together define the reagent chamber (17); the liquid dispensing port (15) and the filling port (16) are respectively arranged on the first part (11) and are located at the end of the first part (11) away from the second part (12); The area of ​​the horizontal cross-section of the first part (11) gradually decreases from the connection with the second part (12) to the end away from the second part (12); and / or the area of ​​the horizontal cross-section of the second part (12) gradually decreases from the connection with the first part (11) to the end away from the first part (11).

8. The reagent bottle according to claim 7, characterized in that The bottle body (10) further comprises a bottle mouth portion (13) detachably connected to the liquid dispenser (2); the bottle mouth portion (13) is in the shape of a tube with two ends passing through, and is arranged at the liquid dispensing port (15) of the first part (11).

9. The reagent bottle according to claim 8, characterized in that The bottle body (10) further comprises a handle portion (14), and the handle portion (14) is arranged on the bottle mouth portion (13) and / or the first portion (11).

10. A liquid separation device, characterized in that: Comprising a liquid dispenser (2) and a reagent bottle (1) according to any one of claims 1 to 9; The liquid dispenser (2) comprises a main body (201) and a pipe (202), wherein the pipe (202) is arranged on the main body (201); the main body (201) is detachably connected to the liquid separation port (15); at least a portion of the pipe (202) extends into the reagent chamber (17), and the end away from the main body (201) is arranged close to the bottom end of the reagent chamber (17).

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