Biochemical reagent storage device

Abstract

The utility model discloses a biochemical reagent storage device which comprises a bottle body, a piston plate is installed in the bottle body, a connecting channel and a surge bin are further arranged above the bottle body, the top of the surge bin is closed through a top cover with a pressure relief hole, and a cavity above the piston plate is communicated with the surge bin through the connecting channel. According to the utility model, the design structure is reasonable, the communicating channel and the surge bin are respectively arranged above the bottle body, the two cavities are formed in the bottle body through the piston plate, and the sizes of the two cavities are regulated and controlled by enabling the piston plate to move upwards; the reagent in the upper cavity is pressed into the buffer bin through the connecting channel, and meanwhile, the gas in the buffer bin is exhausted from the top cover, so that air entering during medicine taking is reduced, and the problem that when an existing storage device takes medicine, due to the fact that a bottle opening is completely opened, air enters a reagent bottle and is stored in the reagent bottle, and the medicine taking efficiency is high is solved. And residual reagents are easy to deteriorate.

Description

TECHNICAL FIELD

[0001] The utility model relates to reagent storage technical field, specifically is a biochemical reagent storage device. BACKGROUND

[0002] The reagent bottle is the storage device that is often seen in people's chemical experiment, usually is by bottle body main part and bottle plug is composed, according to the storage requirement of different reagents, select with different reagent bottle, and for some chemical reagents that easily absorb moisture or oxidize or metamorphic, still need sealed preservation.

[0003] In the Chinese utility model patent with the publication number CN215246794U discloses a biochemical reagent storage device, through the cooperation of spring buckle and spring, makes the top cover firm in the inside of reagent bottle, prevents the gap between reagent bottle mouth and top cover, makes air enter, but when the reagent stored is liquid, takes and uses, needs to open the reagent bottle mouth completely, then through the inclination bottle body or through the pipette and takes and places liquid, and in the taking process, because the bottle mouth is completely opened, makes air enter into the reagent bottle, and along with the bottle mouth closing, this part of air will be stored in the reagent bottle, simultaneously along with the reduction of reagent liquid, the air stored in the reagent bottle also can increase, makes the remaining reagent very easy metamorphic. UTILITY MODEL CONTENTS

[0004] The utility model discloses in order to make up for the deficiency of prior art, provide a biochemical reagent storage device.

[0005] In order to achieve the above object, the utility model provides the following technical scheme:

[0006] A biochemical reagent storage device, including bottle body, the upper of bottle body is provided with connecting channel and buffer storehouse respectively, connecting channel one end communicates with the inside of bottle body, and the other end of connecting channel communicates with buffer storehouse, the top of buffer storehouse is detachably connected with the top cover with the one-way pressure relief hole, plays the role of closing / opening buffer storehouse and pressure relief exhaust;

[0007] Connecting channel still is provided with control assembly, and liquid reagent is taken and placed to buffer storehouse through control assembly;

[0008] Control assembly includes elastic sealing structure, piston plate;

[0009] Sealing structure sets up in connecting channel, plays the role of opening / closing connecting channel;

[0010] Piston plate slidingly connects in the inside of bottle body, plays the role of dividing bottle body and forming two chambers, and the outside of bottle body is provided with drive assembly, and the relative size of two chambers is regulated through drive assembly, so that the reagent in the chamber above is pressed into buffer storehouse.

[0011] Further, the connecting channel comprises a top cylinder, a bottom of the top cylinder is detachably connected to a top of the bottle body, and a control cylinder is fixedly connected to a top of the top cylinder, a side of a bottom of the control cylinder is provided with a connecting hole;

[0012] One end of the connecting hole is in communication with the buffer bin, and the other end of the connecting hole is in communication with an inside of the top cylinder, and the inside of the top cylinder is in communication with the top of the bottle body at the bottom, so that the liquid reagent enters the buffer bin.

[0013] Further, the sealing structure comprises a sealing cover which can be covered on the top of the top cylinder, a top of the sealing cover is connected with an elastic piece, and a top of the elastic piece is in abutment with the bottom of the control cylinder.

[0014] Further, a cross section shape of a contact part of the sealing cover and the top cylinder is a stepped structure, and the stepped structure is provided with a first sealing ring in a vertical direction and a horizontal direction.

[0015] Further, an outside wall of the control cylinder is connected with a top cover, an outside wall of the top cover is provided with an outer shell, and a bottom of the outer shell extends horizontally towards a middle part and is connected to an outside of the top cylinder, so that an inside side wall and a bottom wall of the outer shell and the outside wall of the control cylinder form the buffer bin.

[0016] Further, the inside of the outer shell and the top cylinder are connected through threads;

[0017] The bottom of the top cover is provided with a second annular protrusion, and an outside of the second annular protrusion is threadedly connected with an inner wall of the control cylinder.

[0018] Further, a middle part of the top of the sealing cover is provided with a control rod, a top end of the control rod penetrates through a middle part of the control cylinder, and the top end of the control rod is in contact with the bottom of the top cover.

[0019] Further, the driving assembly comprises an outer cylinder, the outer cylinder is fixedly sleeved on an outside of the bottle body, a top of the outer cylinder is threadedly connected with a threaded rod, one end of the threaded rod located inside the outer cylinder is rotationally connected with a movable ring, and an inside and an outside of the movable ring are respectively slidably connected with the bottle body and the outer cylinder;

[0020] The bottom of the outer cylinder is connected with a control pipe, one end of the control pipe away from the outer cylinder is in communication with an inside of the bottle body, and the control pipe is located below the piston plate at the connecting position on the bottle body.

[0021] Compared with the prior art, the biochemical reagent storage device has the following beneficial effects:

[0022] The utility model discloses a bottle body is provided with the piston plate, and the piston plate is provided with the connecting channel and the buffer storehouse, and the piston plate is provided with the two chambers in the bottle body, and the piston plate is pushed up to control the size of the two chambers, and the reagent in the upper chamber is pressed into the buffer storehouse through the connecting channel, and the gas in the buffer storehouse is discharged, thereby reducing the air entering when taking medicine, and solving the problem that the air enters the reagent bottle and is stored in the reagent bottle when taking medicine in the prior storage device, and the remaining reagent is easy to deteriorate.

[0023] The utility model discloses a piston plate is pushed up liquid reagent, and the reagent is pressed into the buffer storehouse, and then reduces the space remaining after taking medicine while avoiding the air entering, and the contact part between the top cylinder and the sealing cover is the ladder structure, and the contact gap is bent, and the first sealing ring is arranged on the horizontal / vertical ladder face, and the sealing cover seals the top cylinder, and prevents the air from entering. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0025] Figure 2 It is the sectional view of bottle body in the utility model;

[0026] Figure 3 It is the sectional view of shell in the utility model;

[0027] Figure 4 It is the sectional view of sealing cover in the utility model.

[0028] In the drawing: 1, bottle body;2, outer cylinder;3, threaded rod;4, movable ring;5, control pipe;6, piston plate;7, top cylinder;8, sealing cover;9, spring;10, control rod;11, control cylinder;12, shell;13, top cover;14, connecting hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] As Figures 1-4As shown, the utility model provides a technical scheme: a biochemical reagent storage device, bottle body 1 is provided with connecting channel and buffer storehouse respectively in the top, one end of connecting channel is communicated with the inside of bottle body 1, and the other end of connecting channel is communicated with buffer storehouse, and the top of buffer storehouse is detachably connected with the top cover 13 with one-way pressure relief hole, and the function of closing / opening buffer storehouse and pressure relief exhaust is played;Connecting channel is further provided with control assembly, and liquid reagent is taken and placed in buffer storehouse through control assembly;Control assembly includes elastic sealing structure and piston plate 6;Sealing structure is arranged in connecting channel and plays the role of opening / closing connecting channel;Piston plate 6 is slidably connected in the inside of bottle body 1 and plays the role of dividing bottle body 1 into two chambers, and the outside of bottle body 1 is provided with driving assembly, and piston plate 6 is driven to slide in bottle body 1 through driving assembly to regulate the size of two chambers;When reagent is taken, the volume of the chamber above is reduced by driving piston plate 6, and the reagent in the chamber above is pressed into buffer storehouse to reduce the entry of air.

[0031] When using, when reagent is taken, piston plate 6 is driven to move upward by driving assembly, so that piston plate 6 extrudes the liquid reagent above, the liquid reagent further pushes the sealing structure above to move upward to overcome the elastic force, and the connecting channel is opened, then the liquid reagent enters buffer storehouse through connecting channel, at the same time, the reagent overflows bottle body 1 due to the pushing force, and the connecting channel and buffer storehouse are communicated at the lowest part of buffer storehouse, so that when buffer storehouse enters reagent, the air in buffer storehouse is gradually discharged through pressure relief hole, and the pressure relief hole can adopt the first one-way valve, so that the air is discharged to reduce the entry of external air, at the same time, when the medicine is taken and closed, piston plate 6 is driven to move downward with small amplitude, the extrusion of liquid reagent is reduced, the sealing structure is reset under the action of elastic force, the connecting channel is closed again, and due to the one-way nature of pressure relief hole, the liquid reagent is temporarily stored in buffer storehouse, the space for storing air above the reagent is reduced, and the reagent is further prevented from deteriorating during long-term storage.

[0032] Connecting channel includes top cylinder 7, the bottom of top cylinder 7 is detachably connected at the top of bottle body 1, control cylinder 11 is fixedly connected at the top of top cylinder 7, and connecting hole 14 is formed in the side of the bottom of control cylinder 11;One end of connecting hole 14 is communicated with buffer storehouse, and the other end of connecting hole 14 is communicated with the inside of top cylinder 7, and the inside of top cylinder 7 is communicated with the top of bottle body 1 at the bottom, so that the liquid reagent enters buffer storehouse;In use, top cylinder 7 and bottle body 1 are connected through threads, and sealing pad is arranged at the connecting part to ensure the sealing effect between top cylinder 7 and bottle body 1;When liquid reagent flows, the reagent enters top cylinder 7, and then enters buffer storehouse through connecting hole 14;Connecting hole 14 is rectangular hole, and there are several connecting holes 14, and the lowest part of the bottom of connecting hole 14 is the same height as the bottom of buffer storehouse, so that liquid reagent enters from below to above, and the reagent gradually extrudes and discharges air.

[0033] The sealing structure comprises a sealing cover 8 which can be covered on the top of the top cylinder 7, the top of the sealing cover 8 is connected with an elastic member, the top of the elastic member abuts against the bottom of the control cylinder 11; in use, the cross section shape of the control cylinder 11 is H-shaped, the side surface of the sealing cover 8 is in sliding connection with the inner wall of the control cylinder 11, and the thickness of the side surface of the sealing cover 8 is greater than the height of the connecting hole 14, the elastic member is a spring 9, in the initial state without taking medicine, the spring 9 is pressed against the middle part of the H-shaped control cylinder 11, the bottom end of the spring 9 is pressed against the middle part of the sealing cover 8, so that the sealing cover 8 is pressed downward, and the sealing cover 8 is pressed and fixed on the top of the top cylinder 7, so as to close the channel between the bottom of the top cylinder 7 and the bottle body 1; when taking medicine, the liquid is pushed upward by the liquid reagent under the pushing force, so that the sealing cover 8 is pushed, the spring 9 is pressed, and at the same time, the sealing cover 8 moves away from the top cylinder 7 to a proper distance, and then abuts against the control cylinder 11 above, and at the same time, the connecting hole 14 on the side surface is opened, so that the reagent enters the buffer chamber through the connecting hole 14.

[0034] The cross section shape of the contact part between the sealing cover 8 and the top cylinder 7 is a stepped structure, and the vertical direction and the horizontal direction of the stepped structure are provided with first sealing rings; in use, the position part of the sealing cover 8 in contact with the top cylinder 7 is, from the middle part to the outside, a first horizontal stepped surface, a first vertical stepped surface, a second horizontal stepped surface, a second vertical stepped surface, and so on, and the horizontal / vertical stepped surfaces are provided with first sealing rings, so that the sealing cover 8 is covered on the top of the top cylinder 7, the top of the bottle body 1 is sealed, and the entry of air is prevented.

[0035] The outer side wall of the control cylinder 11 is connected with the top cover 13, the outer side wall of the top cover 13 is provided with a shell 12, the bottom of the shell 12 extends horizontally to the middle part and is connected to the outer side of the top cylinder 7, so that the inner side wall and the bottom wall of the shell 12 and the outer side wall of the control cylinder 11 form a buffer chamber.

[0036] In use, the bottom of the inner side of the connecting hole 14 is coplanar with the inner bottom wall of the shell 12, the top of the top cover 13 is provided with a handle, the bottom is provided with a first annular protrusion, the inner side wall and the outer side wall of the first annular protrusion are respectively connected with the outer side wall of the control cylinder 11 and the inner side wall of the shell 12 in sliding connection, and the second sealing ring is arranged on the inner side and the outer side of the first annular protrusion of the top cover 13, so as to improve the sealing effect between the top cover 13 and the buffer chamber, prevent the entry of air, and facilitate air exhaust through the pressure relief hole on the top cover 13; when taking medicine, the top cover 13 is inserted between the shell 12 and the control cylinder 11 through the first annular protrusion, the gap between the shell 12 and the control cylinder 11 is sealed at the top, and an annular buffer chamber is formed with the bottom wall of the inner side of the shell 12, and the material of the shell 12 is transparent glass material; by first placing a proper amount of reagent in the buffer chamber, then closing the bottle body 1, and then opening the top cover 13 to take the reagent after closing, direct contact with all the reagents in the bottle body 1 is avoided, and pollution is avoided.

[0037] The inner side of the shell 12 is connected with the top cylinder 7 through threads; the bottom of the top cover 13 is provided with a second annular protrusion, and the outer side of the second annular protrusion is threadedly connected with the inner wall of the control cylinder 11; in use, the top cover 13 is installed at the top of the buffer chamber through the threaded connection between the second annular protrusion and the control cylinder 11; at the same time, the shell 12 and the top cylinder 7 are connected through threads, so that the position of the shell 12 can be adjusted up and down, so that after the top cover 13 is removed from the control cylinder 11, the shell 12 can be further removed from the top cylinder 7, and the shell 12 can be cleaned.

[0038] The middle part of the top of the sealing cover 8 is provided with a control rod 10, the top end of the control rod 10 penetrates the middle part of the control cylinder 11, and the top end of the control rod 10 is in contact with the bottom of the top cover 13; in use, when the storage device is not needed, first, the spring 9 pushes the sealing cover 8 to cover the top cylinder 7, so that the opening above the bottle body 1 is closed, then the shell 12 is rotated, so that the shell 12 moves downward and is adapted to the height of the control cylinder 11, then the top cover 13 is further rotated, so that the second annular protrusion of the top cover 13 moves to the bottom, the top cover 13 abuts against the control rod 10, the control rod 10 further extrudes the sealing cover 8, and the spring 9 further strengthens the sealing effect of the sealing cover 8 on the top cylinder 7.

[0039] The driving assembly comprises an outer cylinder 2 fixedly sleeved outside the bottle body 1, a threaded rod 3 threadedly connected to the top of the outer cylinder 2, a movable ring 4 rotationally connected to the end inside the outer cylinder 2, the inner side and the outer side of the movable ring 4 being slidingly connected with the bottle body 1 and the outer cylinder 2 respectively, a control pipe 5 connected to the bottom of the outer cylinder 2, the end of the control pipe 5 away from the outer cylinder 2 being in communication with the inside of the bottle body 1, and the connecting position of the control pipe 5 on the bottle body 1 being below a piston plate 6; in use, the inner side and the outer side of the movable ring 4 and the outer side of the piston plate 6 are made of rubber sealing material, and a sealing ring can also be arranged on the corresponding contact part for sealing during the upward and downward movement of the movable ring 4 and the piston plate 6, so as to facilitate the movement of the gas, a first control valve is arranged on the outer cylinder 2 near the top side, and a second control valve is arranged on the control pipe 5, both being used for opening or closing; when the medicine needs to be taken, the threaded rod 3 is rotated to drive the movable ring 4 to move downward, the inner side and the outer side of the movable ring 4 are sealingly and slidingly connected with the inner wall of the outer cylinder 2 and the outer wall of the bottle body 1 respectively, the movable ring 4 is pressed to move the gas below, the gas is inert protective gas, the control pipe 5 is opened at the same time, the gas enters the cavity below the piston plate 6, the piston plate 6 is sealingly and slidingly connected in the bottle body 1, the gas drives the piston plate 6 to move upward, and the liquid reagent is pushed into the buffer bin; after long-time use, the control pipe 5 is closed when the movable ring 4 moves to the bottom, then the movable ring 4 is moved above the first control valve, the first control valve is used to supplement the gas in the outer cylinder 2, the piston plate 6 is driven to move upward again, and the remaining reagent is continuously used.

Claims

1. A biochemical reagent storage device, characterized in that: Includes a bottle body (1), and a connecting channel and a buffer chamber are respectively provided on the top of the bottle body (1). One end of the connecting channel is connected to the inside of the bottle body (1), and the other end of the connecting channel is connected to the buffer chamber. The top of the buffer chamber is detachably connected to a top cover (13) with a one-way pressure relief hole, which serves to close / open the buffer chamber and relieve pressure and exhaust air. The connection channel is also equipped with a control component, which is used to put liquid reagents into the buffer chamber. The control assembly includes an elastic sealing structure and a piston plate (6); The sealing structure is disposed within the connection channel and serves to open / close the connection channel. The piston plate (6) is slidably connected to the inside of the bottle body (1), which serves to divide the bottle body (1) into upper and lower chambers. A drive assembly is provided on the outside of the bottle body (1). The relative size of the two chambers is adjusted by the drive assembly so that the reagent in the upper chamber is pressed into the buffer chamber.

2. The biochemical reagent storage device according to claim 1, characterized in that: The connection channel includes a top cylinder (7), the bottom of which is detachably connected to the top of the bottle body (1), and a control cylinder (11) is fixedly connected to the top of the top cylinder (7). A connection hole (14) is provided on the side of the bottom of the control cylinder (11). One end of the connecting hole (14) is connected to the buffer chamber, and the other end of the connecting hole (14) is connected to the inside of the top cylinder (7). The inside of the top cylinder (7) is connected to the top of the bottle body (1) at the bottom, so that the liquid reagent can enter the buffer chamber.

3. The biochemical reagent storage device according to claim 2, characterized in that: The sealing structure includes a sealing cap (8) that can be closed on the top of the top cylinder (7), and an elastic element is connected to the top of the sealing cap (8), the top of the elastic element abutting against the bottom of the control cylinder (11).

4. The biochemical reagent storage device according to claim 3, characterized in that: The cross-sectional shape of the contact portion between the sealing cap (8) and the top cylinder (7) is a stepped structure, and the stepped structure is provided with a first sealing ring in both the vertical and horizontal directions.

5. The biochemical reagent storage device according to claim 4, characterized in that: The outer wall of the control cylinder (11) is connected to the top cover (13). The outer wall of the top cover (13) is provided with a shell (12). The bottom of the shell (12) extends horizontally towards the center and is connected to the outside of the top cylinder (7), so that the inner side wall and bottom wall of the shell (12) and the outer wall of the control cylinder (11) form a buffer chamber.

6. The biochemical reagent storage device according to claim 5, characterized in that: The inner side of the outer shell (12) is connected to the top cylinder (7) by a thread; The bottom of the top cover (13) is provided with a second annular protrusion, and the outer side of the second annular protrusion is threadedly connected to the inner wall of the control cylinder (11).

7. The biochemical reagent storage device according to claim 3, characterized in that: A control rod (10) is provided at the middle of the top of the sealing cover (8). The top of the control rod (10) passes through the middle of the control cylinder (11), and the top of the control rod (10) contacts the bottom of the top cover (13).

8. The biochemical reagent storage device according to claim 1, characterized in that: The drive assembly includes an outer cylinder (2), which is fixedly sleeved on the outside of the bottle body (1). A threaded rod (3) is threadedly connected to the top of the outer cylinder (2). A movable ring (4) is rotatably connected to one end of the threaded rod (3) located inside the outer cylinder (2). The inner and outer sides of the movable ring (4) are slidably connected to the bottle body (1) and the outer cylinder (2), respectively. The bottom of the outer cylinder (2) is connected to a control tube (5). The end of the control tube (5) away from the outer cylinder (2) is connected to the inside of the bottle body (1), and the connection of the control tube (5) on the bottle body (1) is located below the piston plate (6).

Images