CN216449441U - Streptomycin detection test paper box - Google Patents

Abstract

The utility model relates to the technical field of test paper boxes, in particular to a streptomycin detection test paper box, which comprises a box body, wherein a detection cavity is formed in the box body; in a use state, the sample liquid is placed in the sample adding groove, the opening and closing device is driven by the sliding upright post to open the sample circulation cavity, the exhaust tube is broken at the moment, and the sample liquid in the sample adding groove flows to the test paper in the extension cavity due to negative pressure in the extension cavity, so that fixed-point and quantitative adding of the sample liquid is realized, and the accuracy of a detection result is guaranteed; by utilizing the negative pressure in the detection cavity, the sample liquid in the sample adding groove can quickly flow to the test paper, and the detection time of the sample liquid is shortened.

Description

Streptomycin detection test paper box

Technical Field

The utility model relates to the technical field of test paper boxes, in particular to a streptomycin detection test paper box.

Background

The test paper box is used for storing test paper and assisting in adding a sample liquid.

In the prior art, when streptomycin is detected by using test paper, the dropping position of the sample liquid on the test paper, and the dropping volume of the sample liquid has a certain influence on the detection result, because the diffusion range of the unit sample liquid is certain, when the sample liquid is too far away from the reaction membrane at the dropping position of the sample pad or the sample liquid is too little, the sample liquid cannot be diffused to the detection area and the quality control area of the reaction membrane, further a certain influence is caused on the detection result, misleading the detection personnel to make wrong judgment, and easily causing accidents, how to design a fixed-point and quantitatively-added detection test paper box becomes a technical problem to be solved urgently for technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention aims to provide a streptomycin detection test paper box, which is used for quickly adding a sample solution, realizing fixed-point and quantitative addition of the sample solution, and shortening the detection time.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a streptomycin detection test paper box comprises a box body, a detection cavity is arranged in the box body, an extension cavity is communicated with the side wall of the bottom of the detection cavity, an observation plate is fixedly arranged on the inner wall of the detection cavity, test paper extending to the interior of the extension cavity is arranged on the bottom wall of the detection cavity, the end face of the box body is provided with a sample adding groove, a sample circulation cavity which is used for communicating the sample adding groove with the extension cavity is arranged in the box body, the box body is internally provided with an opening and closing device for controlling the opening and closing of the sample circulation cavity, the end surface of the box body is provided with a sliding chute, a sliding upright post which drives the opening and closing device to drive is arranged in the sliding chute in a sliding way, an inserting channel which communicates the sliding chute with the extending cavity is arranged in the box body, an exhaust tube which passes through the insertion passage and extends to the interior of the extension cavity is arranged in the sliding upright post, and when in use, the exhaust tube is broken, sealing devices for preventing pressure leakage of the extension cavity are arranged in the air exhaust pipe and the insertion passage.

The utility model utilizes the opening and closing device and the observation plate to seal the extension cavity and the detection cavity, utilizes the exhaust tube to exhaust the extension cavity and the detection cavity into a negative pressure state with certain pressure when the test paper is not used, and utilizes the sealing device to seal the exhaust tube, thereby effectively preventing the pressure leakage of the extension cavity; in a use state, the sample liquid is placed in the sample adding groove, the opening and closing device is driven by the sliding upright post to open the sample circulation cavity, the exhaust tube is broken at the moment, and the sample liquid in the sample adding groove flows to the test paper in the extension cavity due to negative pressure in the extension cavity, so that fixed-point and quantitative adding of the sample liquid is realized, and the accuracy of a detection result is guaranteed; by utilizing the negative pressure in the detection cavity, the sample liquid in the sample adding groove can quickly flow to the test paper, and the detection time of the sample liquid is shortened.

Furthermore, sealing device includes sealing washer, sealing plug, the sealing washer is fixed insert inside the passageway and with exhaust tube parcel, the sealing plug is located exhaust tube upper end just seals exhaust tube.

Furthermore, the exhaust tube is made of brittle materials.

Furthermore, the upper end of the sliding upright post extends out of the end face of the box body and is fixedly connected with a sliding block.

Furthermore, an exhaust tube placing channel for placing an exhaust tube is arranged inside the sliding block and the sliding upright post.

Further, the box body is internally provided with a sealing plate cavity communicated with the sliding groove and the sample circulation cavity, the opening and closing device comprises a sealing plate and a sealing gasket, the sealing plate is fixed on the sliding upright column and slides in the sealing plate cavity, and the sealing gasket is fixed on the inner wall of the sealing plate cavity and is abutted to the sealing plate.

Furthermore, a result comparison groove is formed in the box body, and a comparison sample plate is arranged on the bottom wall of the result comparison groove.

Furthermore, the result contrast inslot wall is equipped with the detachable dust guard, the dust guard is transparent material.

Drawings

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

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an enlarged view of B in FIG. 3;

fig. 5 is an enlarged schematic view of C in fig. 3.

Reference numerals are as follows: 1. a box body; 11. a detection chamber; 111. test paper; 12. comparing the results with the groove; 121. comparing the sample plate; 13. an extension cavity; 141. a chute; 142. a slider; 143. sliding the upright post; 1431. an exhaust tube placement channel; 144. an air exhaust pipe; 145. a sealing plug; 146. an insertion channel; 147. a seal ring; 151. sealing the plate cavity; 152. a sealing plate; 153. a gasket; 161. a sample addition tank; 162. a sample flow-through chamber; 17. an observation plate; 18. a dust guard.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

Example (b):

referring to fig. 1 and 5, this embodiment provides a streptomycin detection test paper box, which is mainly used for mounting test paper, and is used for spotting, quantifying, and quickly dropping sample liquid.

Comprises a box body 1, a detection cavity 11 is arranged in the box body 1, an extension cavity 13 is communicated with the side wall at the bottom of the detection cavity 11, an observation plate 17 is fixedly arranged on the inner wall of the detection cavity 11, test paper 111 extending to the extension cavity 13 is arranged on the bottom wall of the detection cavity 11, a sample adding groove 161 is arranged on the end surface of the box body 1, a sample circulation cavity 162 communicating the sample adding groove 161 with the extension cavity 13 is arranged in the box body 1, an opening and closing device for controlling the opening and closing of the sample circulation cavity 162 is arranged in the box body 1, a sliding groove 141 is arranged on the end surface of the box body 1, a sliding upright column 143 driving the opening and closing device to drive is arranged in the sliding groove 141 in a sliding way, an insertion channel 146 communicating the sliding groove 141 with the extension cavity 13 is arranged in the box body 1, an air suction pipe 144 passing through the insertion channel 146 and extending to the extension cavity 13 is arranged in the sliding upright column 143, in use, the suction pipe 144 is broken, and the suction pipe 144 and the insertion passage 146 are provided with sealing devices for preventing pressure leakage of the extension cavity 13.

Specifically, the method comprises the following steps:

in order to prevent the pressure leakage between the detection chamber 11 and the extension chamber 13, as shown in fig. 4, the sealing device includes a sealing ring 147, a sealing plug 145, the sealing ring 147 is fixed inside the insertion passage 146 and surrounds the suction pipe 144, and the sealing plug 145 is located at the upper end of the suction pipe 144 and seals the suction pipe 144.

Through the setting, in the production process, exhaust tube 144 passes inside sliding column 143 and insert passageway 146 extend to extension chamber 13, utilizes sealing washer 147 to wrap exhaust tube 144 and with insert passageway 146 butt, seals extension chamber 13 this moment, utilizes exhaust tube 144 to bleed to extension chamber 13, when extension chamber 13 internal pressure reaches the specified value, fills in exhaust tube 144 upper end with sealing plug 145 this moment, and then seals exhaust tube 144.

In order to break the suction tube 144 during use, in the present embodiment, as shown in fig. 4, the suction tube 144 is made of a brittle material.

In order to facilitate the sliding of the sliding column 143, in this embodiment, as shown in fig. 2 and 5, the upper end of the sliding column 143 extends out of the end surface of the box body 1 and is fixedly connected with a sliding block 142.

Through the arrangement, the sliding block 142 is positioned on the end face of the box body 1, and in the using process, the sliding block 142 is pulled by fingers, so that the sliding upright column 143 is convenient to push.

In order to realize the installation of the suction pipe 144 inside the sliding column 143, in this embodiment, as shown in fig. 4, a suction pipe placing passage 1431 for placing the suction pipe 144 is provided inside the sliding block 142 and the sliding column 143.

In order to control the opening and closing of the sample flow chamber 162, in the present embodiment, as shown in fig. 4, a sealing plate chamber 151 for communicating the slide groove 141 with the sample flow chamber 162 is provided in the cartridge 1, the opening and closing means includes a sealing plate 152 and a gasket 153, the sealing plate 152 is fixed to the slide column 143 and slides in the sealing plate chamber 151, and the gasket 153 is fixed to the inner wall of the sealing plate chamber 151 and abuts against the sealing plate 152.

Through the above arrangement, when the sliding column 143 is pushed, the sealing plate 152 which is fixedly connected is driven to slide and the sample circulation cavity 162 is opened, and at the moment, the sealing gasket 153 is abutted to the sealing plate 152, so that the sample liquid is prevented from flowing out through the sealing plate cavity 151.

In order to compare the detection results, in this embodiment, as shown in fig. 1 and 3, a result comparing slot 12 is formed on the box body 1, and a comparing template 121 is disposed on the bottom wall of the result comparing slot 12.

The inner wall of the result comparison groove 12 is provided with a detachable dustproof plate 18, and the dustproof plate 18 is made of transparent materials.

By the above device, the comparison between the comparison sample plate 121 in the result comparison tank 12 and the result detected on the test paper 111 is used for conveniently reading the detection result of the sample liquid.

The implementation principle is as follows: before the test paper 111 is not used, the sealing plate 152 is pushed to the limit position, the sample flowing cavity 162 is sealed, the exhaust tube placing passage 1431 is aligned with the insertion passage 146, the exhaust tube 144 is inserted into the extension cavity 13 through the exhaust tube placing passage 1431 and penetrates through the insertion passage 146, the sealing plug 145 is opened, the extension cavity 13 is exhausted through the exhaust tube 144, when the internal pressure of the extension cavity 13 reaches a specified value, the exhaust tube 144 is sealed through the sealing plug 145, and the use process is as follows: the sample liquid is dripped into the sample adding groove 161, the sliding block 142 is pushed at the moment, the sliding upright column 143 is driven to slide to the side far away from the sample adding groove 161, the extraction tube placing passage 1431 and the inserting passage 146 are dislocated, the brittle extraction tube 144 is broken, the sliding upright column 143 drives the sealing plate 152 to move and open the sample circulation chamber 162 at the same time of sliding, the sample liquid in the sample adding groove 161 rapidly flows onto the test paper 111 in the extension chamber 13 through the sample circulation chamber 162 under the negative pressure action of the extension chamber 13, the sample liquid is dripped on the sample pad of the test paper 111 to realize fixed-point dripping, the aperture of the sample circulation chamber 162 is matched with the sample liquid tension force, the volume of the sample liquid flowing onto the test paper 111 is limited to a certain extent, and the sample liquid can rapidly flow onto the test paper 111 under the negative pressure action, and then accelerate detection speed, the result after the detection compares with contrast model 121, and then is convenient for to the interpretation of testing result, and convenience of customers understands.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention.

Claims (8)

1. The utility model provides a streptomycin detects test paper box, includes box body (1), its characterized in that: the detection device is characterized in that a detection cavity (11) is formed in the box body (1), an extension cavity (13) is formed in the bottom side wall of the detection cavity (11) in a communicated manner, an observation plate (17) is fixedly arranged on the inner wall of the detection cavity (11), test paper (111) extending into the extension cavity (13) is arranged on the bottom wall of the detection cavity (11), a sample adding groove (161) is formed in the end face of the box body (1), a sample circulating cavity (162) communicating the sample adding groove (161) with the extension cavity (13) is formed in the box body (1), an opening and closing device for controlling the opening and closing of the sample circulating cavity (162) is arranged in the box body (1), a sliding groove (141) is formed in the end face of the box body (1), a sliding upright column (143) driving the opening and closing device to drive is arranged in the sliding groove (141), an insertion channel (146) communicating the sliding groove (141) with the extension cavity (13) is formed in the box body (1), an air suction pipe (144) which penetrates through the insertion channel (146) and extends to the interior of the extension cavity (13) is arranged in the sliding upright column (143), when the air suction pipe is used, the air suction pipe (144) is broken off, and sealing devices for preventing pressure leakage of the extension cavity (13) are arranged in the air suction pipe (144) and the insertion channel (146).

2. The streptomycin detection test paper box of claim 1, wherein: the sealing device comprises a sealing ring (147) and a sealing plug (145), the sealing ring (147) is fixed inside the insertion channel (146) and wraps the suction pipe (144), and the sealing plug (145) is located at the upper end of the suction pipe (144) and seals the suction pipe (144).

3. A streptomycin detection test paper box according to claim 2, wherein: the air exhaust pipe (144) is made of brittle materials.

4. A streptomycin detection test paper box according to claim 3, wherein: the upper end of the sliding upright post (143) extends out of the end face of the box body (1) and is fixedly connected with a sliding block (142).

5. A streptomycin detection test paper box according to claim 4, characterized in that: an air suction pipe placing channel (1431) for placing an air suction pipe (144) is formed in the sliding block (142) and the sliding upright post (143).

6. The streptomycin detection test paper box of claim 1, wherein: the utility model discloses a sample circulation box, including box body (1), opening and closing device, sliding column (143) and sealing gasket chamber (152), the box body (1) inside be equipped with spout (141) with sealing gasket chamber (151) of sample circulation chamber (162) intercommunication, opening and closing device includes sealing plate (152), sealed pad (153), sealing plate (152) are fixed slide on the stand (143) and be in sealing gasket chamber (151) inside slides, sealed pad (153) are fixed sealing gasket chamber (151) inner wall and with sealing plate (152) butt.

7. The streptomycin detection test paper box of claim 1, wherein: the box body (1) is provided with a result comparison groove (12), and the bottom wall of the result comparison groove (12) is provided with a comparison sample plate (121).

8. A streptomycin detection test paper box according to claim 7, characterized in that: the inner wall of the result comparison groove (12) is provided with a detachable dustproof plate (18), and the dustproof plate (18) is made of transparent materials.

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