CN215400463U

CN215400463U - Safety cover with two general surfaces

Info

Publication number: CN215400463U
Application number: CN202120991395.1U
Authority: CN
Inventors: 金渊源; 金来源
Original assignee: Zhejiang Hamai Technology Co ltd
Current assignee: Zhejiang Hamai Technology Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-01-04
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a safety cover with two universal surfaces, and belongs to the technical field of chemical experimental appliances. It includes: a two-sided universal safety cap comprising: a cover body connected with the reagent bottle; the cover pad is arranged between the reagent bottle and the cover body and is provided with a front surface and a back surface; the pipe orifice part is arranged on the cover pad, and two ends of the pipe orifice part respectively extend out of the front surface and the back surface of the cover pad. Be provided with the mouth of pipe portion on the apron, the both ends of mouth of pipe portion extend to the front and the reverse side of apron respectively and go out, and the drainage tube can insert the reagent bottle through the mouth of pipe portion from the apron front or reverse side in, and the mouth of pipe portion of apron front and apron reverse side can insert the drainage tube of two kinds of different specifications correspondingly to applicable in the required solvent bottle of chromatograph of two kinds of differences, improved the suitability of apron, and reduced manufacturing cost.

Description

Safety cover with two general surfaces

Technical Field

The utility model belongs to the technical field of chemical experimental instruments, and particularly relates to a safety cover with two general surfaces.

Background

The high performance liquid chromatography separation technology is a high performance separation technology developed in the 20 th century, has become one of the most widely used separation and analysis technologies at present due to the advantages of high precision, high analysis speed and the like, and is widely applied to the fields of medicine analysis, environmental monitoring, food safety, chemical engineering and the like. The mobile phase is an indispensable important component of liquid chromatography, and has gradually progressed from relatively single solvent in the early stage to organic solvents such as methanol, acetonitrile, chloroform, n-hexane, and the like, especially some toxic and volatile organic solvents.

Because different chromatographic fractionation instruments need to be applied to corresponding solvent bottles and drainage tubes, and the drainage tubes need to penetrate through the cover pads and then are inserted into the solvent bottles, the existing cover pads correspond to different chromatographic fractionation instruments and drainage tubes one to one, and a universal cover pad is lacked.

Disclosure of Invention

The utility model provides a safety cover with two universal surfaces, which improves the sealing property aiming at the problems in the prior art.

The utility model can be realized by the following technical scheme:

a two-sided universal safety cap comprising:

a cover body connected with the reagent bottle;

the cover pad is arranged between the reagent bottle and the cover body and is provided with a front surface and a back surface;

the pipe orifice part is arranged on the cover pad, and two ends of the pipe orifice part respectively extend out of the front surface and the back surface of the cover pad.

As a further improvement of the present invention, the nozzle portion includes a first nozzle, a second nozzle, and a third nozzle.

As a further improvement of the present invention, one end of the first pipe orifice is provided with a first main hole, and the other end is provided with a first auxiliary hole, the first main hole is communicated with the first auxiliary hole, and the aperture of the first main hole is larger than that of the first auxiliary hole.

As a further improvement of the present invention, one end of the second pipe orifice is provided with a second main hole, and the other end is provided with a second auxiliary hole, the second main hole is communicated with the second auxiliary hole, and the aperture of the second auxiliary hole is larger than that of the first auxiliary hole.

As a further improvement of the present invention, the third pipe orifice is provided with a third main hole, the third main hole penetrates through the third pipe orifice, and the aperture of the third main hole is smaller than the apertures of the first main hole and the second main hole.

As a further improvement of the utility model, the cover body is provided with a sealing hole, and the bottom of the sealing hole is provided with an annular matching part.

As a further improvement of the utility model, the cover gasket comprises a connecting part and two sealing parts, the connecting part is erected on the bottle mouth of the reagent bottle, and the two sealing parts are symmetrically arranged on the front surface and the back surface of the connecting part.

As a further improvement of the utility model, the sealing portion protrudes from the sealing hole, and the sealing portion is sealingly connected with the annular fitting portion.

As a further improvement of the utility model, the sealing part extends into the reagent bottle, and the sealing part is connected with the mouth of the reagent bottle in a sealing way.

Compared with the prior art, the utility model has the following beneficial effects:

1. be provided with the mouth of pipe portion on the apron, the both ends of mouth of pipe portion extend to the front and the reverse side of apron respectively and go out, and the drainage tube can insert the reagent bottle through the mouth of pipe portion from the apron front or reverse side in, and the mouth of pipe portion of apron front and apron reverse side can insert the drainage tube of two kinds of different specifications correspondingly to applicable in the required solvent bottle of chromatograph of two kinds of differences, improved the suitability of apron, and reduced manufacturing cost.

2. The mouth of pipe portion includes first mouth of pipe, second mouth of pipe and third mouth of pipe, and wherein first mouth of pipe and second mouth of pipe are used for inserting the drainage tube, and thereby the third mouth of pipe is through screwing in the bolt and playing sealed effect, guarantees at the drainage in-process, and the volatility organic solvent in the reagent bottle can not be followed third mouth of pipe and is volatilized.

3. The junction between reagent bottle and the lid pad and the junction between lid pad and the lid all closely laminate, keep the leakproofness, ensure that the solution composition in the reagent bottle remains invariable throughout, and then guarantee final operation result accuracy.

Drawings

FIG. 1 is a cross-sectional view of the safety cap and reagent bottle of the present invention;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a schematic view of the front side of the cover mat of the present invention;

FIG. 4 is a schematic view of the reverse construction of the cover pad of the present invention;

FIG. 5 is a schematic view of the construction of the side of the cover mat of the present invention;

fig. 6 is a schematic structural diagram of the cover of the present invention.

In the figure, 100, a cover; 110. sealing the hole; 111. an annular mating portion; 200. a reagent bottle; 300. a cover pad; 310. a pipe orifice; 320. a first nozzle; 321. a first main hole; 322. a first secondary hole; 330. a second orifice; 331. a second main hole; 332. a second secondary aperture; 340. a third nozzle; 341. a third main hole; 350. a connecting portion; 360. and a sealing part.

Detailed Description

The following are specific embodiments of the present invention and the technical method of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, the present invention provides a two-sided universal safety cap, comprising:

the cover 100 is screwed to the reagent bottle 200, and in this embodiment, the cover 100 defines a circular sealing hole 110, and when the cover 100 is screwed to the reagent bottle 200, the inside of the reagent bottle 200 is communicated with the outside air through the sealing hole 110.

The cap gasket 300 is disposed between the reagent bottle 200 and the cap body 100, the cap gasket 300 has a front surface and a back surface, specifically, the cap gasket 300 is firstly placed on the bottle mouth of the reagent bottle 200, then the cap body 100 is screwed on the reagent bottle 200, the back surface of the cap gasket 300 extends into the reagent bottle 200, the back surface of the cap gasket 300 is hermetically connected with the bottle mouth of the reagent bottle 200, the front surface of the cap gasket 300 extends outwards from the sealing hole 110 of the cap body 100, and similarly, the front surface of the cap gasket 300 is hermetically connected with the sealing hole 110, so that the joints among the reagent bottle 200, the cap gasket 300 and the cap body 100 are all in a sealed state, the volatile organic solvent in the reagent bottle 200 cannot volatilize from the joints, and the solution composition in the reagent bottle 200 can still keep a constant state after long-time storage, thereby ensuring the accuracy of the final operation result.

The tube opening part 310 is disposed on the cap pad 300, two ends of the tube opening part 310 extend to the front and the back of the cap pad 300 respectively, the drainage tube can be inserted into the reagent bottle 200 from the tube opening part 310, because the cap pad 300 has the front and the back, and the tube opening part 310 is disposed on the front and the back of the cap pad 300, that is, in the present embodiment, after the cap pad 300 is disposed at the bottle opening of the reagent bottle 200, no matter whether the cap pad 300 is disposed with the front side facing upward or the back side facing upward, the drainage tube can pass through the tube opening part 310 and be inserted into the reagent bottle 200.

Preferably, the nozzle part 310 includes a first nozzle 320, a second nozzle 330, and a third nozzle 340, and the first nozzle 320, the second nozzle 330, and the third nozzle 340 are disposed on the head gasket 300 and extend toward the front and the back of the head gasket 300.

Further, a first main hole 321 is formed in one end of the first pipe orifice 320, a first auxiliary hole 322 is formed in the other end of the first pipe orifice, the first main hole 321 is communicated with the first auxiliary hole 322, the aperture of the first main hole 321 is larger than that of the first auxiliary hole 322, the first main hole 321 is formed in the front of the cover pad 300, the first auxiliary hole 322 is formed in the back of the cover pad 300, a first through hole is formed after the first main hole 321 is communicated with the first auxiliary hole 322, the drainage pipe can penetrate through the first through hole and is inserted into the reagent bottle 200, and the drainage pipe can be inserted from the first main hole 321 or the first auxiliary hole 322.

Further, one end of the second pipe orifice 330 is provided with a second main hole 331 and the other end is provided with a second auxiliary hole 332, the second main hole 331 is communicated with the second auxiliary hole 332, the aperture of the second auxiliary hole 332 is larger than that of the first auxiliary hole 322, wherein the second main hole 331 is provided on the front side of the cap pad 300, the second auxiliary hole 332 is provided on the back side of the cap pad 300, a second through hole is formed after the second main hole 331 is communicated with the second auxiliary hole 332, the drainage pipe can penetrate through the second through hole and be inserted into the reagent bottle 200, and the drainage pipe can be inserted from the second main hole 331 and also can be inserted from the second auxiliary hole 332.

In addition, in this embodiment, the aperture of the first main hole 321 is consistent with the aperture of the second main hole 331, and the aperture of the first auxiliary hole 322 is consistent with the aperture of the second auxiliary hole 332, that is, the apertures of the first nozzle 320 and the second nozzle 330 are the same, and the arrangement of the first nozzle 320 and the second nozzle 330 enables two drainage tubes to be inserted at the same time, so as to improve the working efficiency.

Further, the third nozzle 340 is provided with a third main hole 341, the third main hole 341 penetrates through the third nozzle 340, and the aperture of the third main hole 341 is smaller than the apertures of the first main hole 321 and the second main hole 331, in this embodiment, the third nozzle 340 has a sealing function, when the two drainage tubes pass through the first nozzle 320 and the second nozzle 330 respectively and are inserted into the reagent bottle 200, the bolt is screwed into the third nozzle 340, so that the whole reagent bottle 200 is in a sealing state, and the volatile organic solvent is ensured not to be volatilized from the reagent bottle 200.

Specifically, in the present embodiment, when the cap pad 300 is used for two different chromatographs, a specific drainage tube needs to be used, and the drainage tube needs to be inserted into the solvent bottle from the tube opening portion 310 on the front side of the cap pad 300, that is, when the cap pad 300 is used with the front side facing upward, the drainage tube is inserted into the solvent bottle through the first main hole 321 and the second main hole 331, and when the general chromatograph is used, a drainage tube corresponding to the first auxiliary hole 322 and the second auxiliary hole 332 is used, when the drainage tube is inserted into the solvent bottle through the first auxiliary hole 322 and the second auxiliary hole 332, the cap pad 300 is used with the back side facing upward, so that the cap pad 300 can be applied to the solvent bottles required for two different chromatographs, the adaptability of the cap pad 300 is improved, and the production cost is reduced.

Preferably, the bottom of the sealing hole 110 is provided with an annular fitting portion 111, and the annular fitting portion 111 has an annular chamfered surface.

Further preferably, the cap gasket 300 includes a connecting portion 350 and two sealing portions 360, the connecting portion 350 is erected on the bottle mouth of the reagent bottle 200, the number of the sealing portions 360 is two, the two sealing portions 360 are symmetrically disposed on the front and back sides of the connecting portion 350, wherein, when the connecting portion 350 is assumed on the reagent bottle 200, one of the sealing portions 360 extends inwards from the bottle mouth of the reagent bottle 200, and in this embodiment, the sealing portion 360 has an annular inclined surface, and one circle of the bottle mouth of the reagent bottle 200 is chamfered, and when the sealing portion 360 is inserted into the reagent bottle 200, the annular inclined surface of the sealing portion 360 is tightly attached to the bottle mouth of the reagent bottle 200, so as to achieve sealing connection, and ensure that the volatile organic solvent in the bottle cannot volatilize outwards from the connecting portion between the sealing portion 360 and the bottle mouth, thereby ensuring the sealing performance of the connection.

In addition, after the cap gasket 300 is placed at the bottleneck of the reagent bottle 200, the cap body 100 is screwed, the entire cap gasket 300 is located between the reagent bottle 200 and the cap body 100, and the sealing portion 360 extends from the sealing hole 110. similarly, since the sealing portion 360 has an annular inclined surface and the annular matching portion 111 at the bottom of the cap body 100 has an annular chamfered surface, the sealing portion 360 and the annular matching portion 111 are tightly attached to each other, so that the sealing connection is realized, and the sealing performance of the connection is ensured.

The technical means disclosed by the scheme of the utility model are not limited to the technical means disclosed by the technical means, and the technical scheme also comprises the technical scheme formed by any combination of the technical characteristics. The foregoing is a detailed description of the utility model, and it should be noted that modifications and adaptations can be made by those skilled in the art without departing from the principle of the utility model, and are intended to be within the scope of the utility model.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A two-sided universal safety cover, comprising:

a cover body connected with the reagent bottle;

2. A two-sided universal safety cap according to claim 1, wherein the spout portion includes a first spout, a second spout and a third spout.

3. The two-sided universal safety cover according to claim 2, wherein the first nozzle has a first main hole opened at one end and a first auxiliary hole opened at the other end, the first main hole is communicated with the first auxiliary hole, and the diameter of the first main hole is larger than that of the first auxiliary hole.

4. The two-sided universal safety cover according to claim 3, wherein the second tube opening has a second main hole opened at one end and a second auxiliary hole opened at the other end, the second main hole communicates with the second auxiliary hole, and the second auxiliary hole has a larger diameter than the first auxiliary hole.

5. A two-sided generic safety cover according to claim 4, characterized in that the third nozzle is provided with a third main hole, which passes through the third nozzle, the third main hole having a smaller diameter than the first main hole and the second main hole.

6. The two-sided universal safety cover according to claim 1, wherein the cover body is provided with a sealing hole, and the bottom of the sealing hole is provided with an annular engaging portion.

7. The safety cap with two universal sides as claimed in claim 6, wherein the cap gasket comprises a connecting portion and two sealing portions, the connecting portion is erected on the mouth of the reagent bottle, and the two sealing portions are symmetrically arranged on the front and back sides of the connecting portion.

8. A two-sided safety closure according to claim 7, wherein the sealing portion extends from the sealing aperture and is sealingly connected to the annular engagement portion.

9. The two-sided universal safety cap according to claim 7, wherein the sealing portion extends into the reagent bottle and is connected with the reagent bottle mouth in a sealing manner.