CN206202983U - Chromatogram bottle - Google Patents

Abstract

The utility model discloses a kind of chromatogram bottle, including body, the bottleneck on body is arranged on, the bottle cap on bottleneck is arranged on, bottle cap is provided with columned inner chamber, internal thread is offered on interior cavity wall, external screw thread is provided with outside bottleneck, external screw thread and internal thread are mutually matched；Intracavity bottom is connected with the resilient sealing gasket of tool, and the diameter of a diameter of inner chamber of sealing gasket has been provided projectingly stop circle, has stopped the fixing region formed between circle and internal thread for fixing bottleneck on sealing gasket.The utility model has preferable sealing effectiveness, reduces the possibility that volatility detected sample in bottle volatilizees from the gap of bottle cap Yu bottleneck junction and influences test result.

Description

Chromatogram bottle

Technical field

The utility model is related to chromatography laboratory apparatus technical field, more particularly to a kind of chromatogram bottle.

Background technology

With the fast development of chromatography industry, around the equipment of chromatography and the demand of product also at full speed Increase.In chromatography field, the sealing of the chromatogram bottle of experiment can have large effect to chromatography.It is usually used Chromatogram bottle, be to be used cooperatively with bottle cap using body, make chromatogram bottle formed with sealing function entirety.

Because bottle cap and the production technology of body have difference or the material of use different, body generally uses glass material Matter is made, and the material that bottle cap then can form slight deformation frequently with plastics etc. is made, when bottle cap is connected with the bottleneck on body When, although bottle cap can be mutually matched with bottleneck and form slight deformation, but the deformation that is formed of bottle cap may not necessarily by bottle cap with Gap between bottleneck is filled up completely, or even can produce new gap, so as to the entirety for causing bottle cap to be formed with bottleneck is had Sealing property it is poor.If the sealing effectiveness between the bottleneck and bottle cap of chromatogram bottle is bad, volatility in bottle is easily caused to be detected Sample volatilizees, so as to influence test result.

Utility model content

The purpose of this utility model is to provide a kind of chromatogram bottle, which solves the gap formed after bottle cap coordinates with body easy Causing volatility detected sample in bottle influences the problem of test result from the junction volatilization of bottle cap and bottleneck, with preferable Sealing effectiveness.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of chromatogram bottle, including body, are arranged on the bottleneck on body, are arranged on the bottle cap on bottleneck, and the bottle cap sets Columned inner chamber is equipped with, internal thread is offered on the interior cavity wall, external screw thread, the outer spiral shell are provided with outside the bottleneck Line and internal thread are mutually matched；The intracavity bottom is connected with the resilient sealing gasket of tool, a diameter of inner chamber of the sealing gasket Diameter, be provided projectingly on the sealing gasket stop circle, it is described stop circle and internal thread between formed for fixing bottleneck Fix region.

Using said structure, bottle cap is covered when on bottleneck, the external screw thread on bottleneck is mutually chimeric with internal thread.Sealing Pad has elasticity, and after bottle cap is tightened, bottleneck is fitted with region is fixed, and the end portion of bottleneck is abutted with sealing gasket, is made close Packing is subject to bottleneck to its active force, in bottleneck and sealing gasket joining synapsis, i.e., is deformed upon on region is fixed, make bottle cap with Contact between bottleneck is more tight.And the stop circle on sealing gasket has barrier effect to bottleneck, bottleneck is set to be stuck in stop circle And internal thread between, thus reduce in body with volatile detected sample from sealing gasket and the leakage of bottleneck junction can Can, improve the sealing effectiveness of the application.

More preferably：The section for stopping circle is semicircle.

Using said structure, after the termination position of bottleneck enters fixes region, the stop circle of circular arc is to bottleneck inwall With withstanding effect, so as to be favorably improved the sealing effectiveness at bottleneck termination position.

More preferably：It is described to stop that circle includes being easy to snap in the placing member and the abutting for blocking bottleneck of bottleneck Part, the placing member is arc-shaped, and the fitting is flat.

Using said structure, placing member is arc-shaped, is easy to bottleneck to fix region along its insertion.Fitting is flat, By the clamping of bottleneck end, increase the connection function to bottleneck, make the application that there is relatively stable sealing function.

More preferably：The intracavity bottom has been provided projectingly columned seal, and the seal is opened to bottle cap Mouth direction extends, and the socket for being arranged seal is offered on the sealing gasket, and the stop circle is surrounded on outside socket, when Bottle cap is covered in bottleneck, and the seal inserts bottleneck and the outer wall of seal is affixed with the inwall of bottleneck.

Using said structure, during seal progresses into bottleneck as bottle cap and bottleneck are mutually screwed, and with bottleneck Inwall is brought into close contact, so as to increased the withstanding effect between seal outer wall and bottleneck inwall.And seal, sealing gasket and Stop that circle forms mating reaction, so that bottleneck termination position is closely coated, form bottle cap and bottleneck portion good close Envelope effect.

More preferably：The height for stopping circle is the 1/10-1/8 for sealing mat thickness.

Using said structure, the stop circle in the altitude range make bottleneck more convenient and rapidly with bottle cap coordinate, Even if after reusing, stopping that circle is not easy to produce obvious deformation, so that bottleneck is smoothly screwed in fixing region.

More preferably：The thickness of the sealing gasket is the 1/3-1/2 of seal thickness.

Using said structure, the sealing gasket in the thickness range has preferable elastic reaction, when bottle cap is covered with bottleneck, There is appropriate deformation, so that sealing gasket and the stop circle being provided projectingly thereon form preferable sealing function to bottleneck.

More preferably：The internal thread extends to the junction of interior cavity wall and intracavity bottom, institute along interior cavity wall The number of turns for stating internal thread is more than the externally threaded number of turns.

Using said structure, help with externally threaded position to be completely screwed into bottleneck in bottle cap, prevent external screw thread with External world's contact, reduces dust in air, impurity, microorganism etc. and is attached to externally threaded possibility, so that it is dirty to reduce outer bound pair bottleneck The possibility of dye.And be also equipped with prominent internal thread near the position of intracavity bottom in interior cavity wall, when sealing gasket put into To enter make in inner chamber, its edge position is subject to the squeezing action of internal thread, so that sealing gasket is firmly secured to intracavity bottom, no Easily shift.

More preferably：The sealing gasket is silica gel ring or rubber ring.

Using said structure, silica gel ring or rubber ring have good elasticity, sealing effectiveness and deformability, when bottle cap is twisted Tightly, sealing gasket is extruded it by bottleneck end portion, so that sealing gasket is formed with bottleneck closely abutting, has the application There is preferable sealing.When bottle cap is released, sealing gasket recovers original shape.On the other hand, the valency of silica gel ring and rubber ring Lattice are relatively reasonable.

In sum, the utility model has the advantages that：

The 1st, one sealing gasket is set in bottle cap inner chamber, a stop circle is provided projectingly to lumen openings on sealing gasket, make resistance The female thread set on back-up ring and interior cavity wall screws in bottleneck into region is fixed, and by stopping that circle is pasted with bottleneck inwall Close, bottleneck termination position forms with intracavity bottom and abuts, so as to form preferably sealing to bottleneck and bottle cap junction.

2nd, bottle cap intracavity bottom is provided projectingly a columned seal, and being opened up at sealing gasket center can wear seal Socket, is enclosed within sealing gasket seal outside and moves to intracavity bottom, makes seal, sealing gasket, stops circle, internal thread and outer spiral shell Line is used in conjunction with each other, and increases to bottleneck inwall, bottleneck termination position and seal junction, bottleneck termination position and bottleneck Outside contact connection, so as to improve the overall sealing effectiveness of the application.

Brief description of the drawings

Fig. 1 is the structural representation of chromatogram bottle in embodiment 1, is mainly used in embodying the structure of bottle cap and body；

Fig. 2 is the structural representation of chromatogram bottle in embodiment 1, is mainly used in embodying bottle cap, body, seal, chamber, close The structure of packing；

Fig. 3 is the structural representation of chromatogram bottle in embodiment 1, be mainly used in embody bottle cap, seal, chamber, guide, Non-slip material, horizontal sliding part, sealing gasket, the structure of stop circle；

Fig. 4 is the structural representation of chromatogram bottle in embodiment 1, is mainly used in embodying sealing gasket, stops the structure of circle；

Fig. 5 is the enlarged drawing of A in Fig. 2, is mainly used in embodying seal, sealing gasket, bottleneck, the structure of stop circle；

Fig. 6 is the structural representation of chromatogram bottle in embodiment 2, be mainly used in embody inner chamber, internal thread, seal, chamber, The structure of guide；

Fig. 7 is the enlarged drawing of B in Fig. 6, is mainly used in embodying internal thread, seal, chamber, sealing gasket, the knot of stop circle Structure.

In figure, 1, body；101st, bottleneck；102nd, external screw thread；2nd, bottle cap；21st, inner chamber；22nd, internal thread；3rd, seal；4、 Chamber；5th, guide；6th, Non-slip material；7th, horizontal sliding part；8th, sealing gasket；9th, circle is stopped；91st, fitting；92nd, placing member；10th, insert Mouthful；11st, depressed part.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected by Patent Law in right of the present utility model.

Embodiment 1：Chromatogram bottle, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, including column body 1 and be arranged on body 1 Bottleneck 101, less than the internal diameter of body 1, be spirally connected a bottle cap 2 on bottleneck 101, and body 1 is by glass material for the internal diameter of bottleneck 101 Material is made, and bottle cap 2 is then made of plastics.The bottom of body 1 is provided with a depressed part 11 to bending inside body 1, just In liquid level of the raising sample inside body 1.The bottle cap 2 offers an inner chamber 21, has been provided projectingly at the opening of inner chamber 21 One circle is zigzag and inclined guide 5 in the counterclockwise direction, and five circle internal threads 22 have been provided projectingly on the inwall of inner chamber 21, One end of internal thread 22 is near guide 5, and the other end extends to the inwall of inner chamber 21 and the bottom junctions of inner chamber 21.In inner chamber 21 The center of bottom, has been provided projectingly an outside for columned seal 3, and the inside of the seal 3 offers one and is The chamber 4 of cylinder, and the diameter of the seal 3 is identical with the internal diameter of bottleneck 101, the height of seal 3 is the height of inner chamber 21 1/2.One piece of sealing gasket 8 for offering circular socket 10 is arranged outside seal 3, the sealing gasket 8 is silica gel ring, and it is thick Spend is the 1/3 of the height of seal 3.On sealing gasket 8 and in the vicinity of seal 3, a stop circle 9 has been provided projectingly.

Reference picture 3, guide 5 includes that several are the guide pad of right triangular shape, right-angle side on guide pad with Hypotenuse on its adjacent guide pad is connected, and the right-angle side of guide pad extends at the opening of inner chamber 21, so that after connection Guide pad along counter clockwise direction arrange.

Reference picture 3, Non-slip material 6 and horizontal sliding part 7 are provided with the space outside of bottle cap 2, and Non-slip material 6 and horizontal sliding part 7 Width is identical.The Non-slip material 6 includes some along the bearing of trend of bottle cap 2 groove arranged in parallel, and the surface of horizontal sliding part 7 is smooth Shape.

Reference picture 5, the section of the stop circle 9 is semicircle, and stops that the radius for enclosing 9 is the 1/10 of the thickness of sealing gasket 8.

The circular socket 10 of sealing gasket 8 is alignd with seal 3, and is pressed down on to the bottom of inner chamber 21, make its edge By the squeezing action of internal thread 22.

By the open horizontal lid of bottle cap 2 to bottleneck 101, due to the guide pad formation for counter clockwise direction arrangement is zigzag Guide 5 guide effect, bottle cap 2 is easier to horizontal cover on bottleneck 101, and guide 5 snap in from bottleneck 101 it is nearest two Between circle external screw thread 102, make bottle cap 2 during tightening, be not susceptible to favour.

Bottle cap 2 is screwed by the Non-slip material 6 and horizontal sliding part 7 outside bottle cap 2, frictional force of the hand to bottle cap 2 is increased, made Bottle cap 2 is easier to be tightened and unclamps.And spaced Non-slip material 6 and horizontal sliding part 7 are difficult to make frictional force excessive, operator can criticize Amount is operated, and is difficult to make feel to pain.When bottle cap 2 is gradually screwed to the lower section of bottleneck 101, set thereon with circle The seal 3 of cylindrical chamber 4 is subject to the inwall of bottleneck 101 to its squeezing action, gradually close to the inwall of bottleneck 101 and to body 1 Direction enters, until seal 3 is completely into bottleneck 101.Now, the bottom of inner chamber 21 is tight with the port of bottleneck 101 Laminating, stops that 9 pairs of termination positions of bottleneck 101 of circle abut with the gap of the junction of seal 3, and make internal thread 22 with outer spiral shell Line 102 is fully mated, increases the area being in close contact between bottle cap 2 and bottleneck 101, barrier effect is increased, so as to enter one Step improves sealing effectiveness of the bottle cap 2 to bottleneck 101, reduces the volatile testing sample in the inside of body 1 from bottle cap 2 and bottleneck The possibility that 101 junctions volatilize, so as to reduce the influence to experiment detection.

It is opening down to be placed on when on operating desk when bottle cap 2 is opened, because the height of seal 3 is only inner chamber 21 high The 1/2 of degree, is difficult to encounter operating desk, can keep the cleannes of seal 3.

Embodiment 2：Chromatogram bottle, the difference with embodiment 1 is that as shown in Figure 6 and Figure 7, the sealing gasket 8 is rubber Circle, and stop that circle 9 includes the placing member 92 and the fitting 91 for flat for arc-shaped, the height for stopping circle 9 is sealing gasket 8 The 1/8 of thickness.

When bottle cap 2 is screwed, bottleneck 101 along arc-shaped placing member 92 insertion fix region, and stop circle 9 height compared with Height, makes placing member 92 and fitting 91 together be formed with the junction of seal 3 with the termination position of bottleneck 101 and abuts, can be further Reduce the gap of junction, increase the sealing effectiveness between bottle cap 2 and bottleneck 101.

Embodiment 3：Chromatogram bottle, the difference with embodiment 1 is that bottle cap 2 is not provided with seal 3 in inner chamber 21, Stop that the height of circle 9 is the 1/9 of the thickness of sealing gasket 8, and the thickness of sealing gasket 8 is the 1/2 of the thickness of seal 3.

During bottle cap 2 is screwed, stop that the height of circle 9 is higher, after bottle cap 2 is tightened, can be to the inwall of bottleneck 101 With preferable withstanding effect, so that the termination position of bottleneck 101 is tightly fastened in region is fixed, there is the application good Good sealing effectiveness.

Claims (8)

1. a kind of chromatogram bottle, including body（1）, it is arranged on body（1）On bottleneck（101）, it is arranged on bottleneck（101）On bottle Lid（2）, it is characterized in that：The bottle cap（2）It is provided with columned inner chamber（21）, the inner chamber（21）Interior spiral shell is offered on inwall Line（22）, the bottleneck（101）Outside is provided with external screw thread（102）, the external screw thread（102）And internal thread（22）Mutual Match somebody with somebody；The inner chamber（21）Bottom is connected with the resilient sealing gasket of tool（8）, the sealing gasket（8）A diameter of inner chamber（21）'s Diameter, the sealing gasket（8）On be provided projectingly stop circle（9）, it is described to stop circle（9）With internal thread（22）Between formed and be used for Fixed bottleneck（101）Fixing region.

2. chromatogram bottle according to claim 1, it is characterized in that：It is described to stop circle（9）Section for semicircle.

3. chromatogram bottle according to claim 1, it is characterized in that：It is described to stop circle（9）Including being easy to snap in bottleneck（101）'s Placing member（92）With for blocking bottleneck（101）Fitting（91）, the placing member（92）It is arc-shaped, the fitting （91）It is flat.

4. chromatogram bottle according to claim 1, it is characterized in that：The inner chamber（21）Bottom has been provided projectingly columned close Sealing（3）, the seal（3）To bottle cap（2）Opening direction extends, the sealing gasket（8）On offer for being arranged sealing Part（3）Socket（10）, it is described to stop circle（9）It is surrounded on socket（10）Outside, works as bottle cap（2）Cover in bottleneck（101）When, institute State seal（3）Insertion bottleneck（101）And seal（3）Outer wall and bottleneck（101）Inwall be affixed.

5. chromatogram bottle according to claim 1, it is characterized in that：It is described to stop circle（9）Height be sealing gasket（8）Thickness 1/10-1/8。

6. chromatogram bottle according to claim 4, it is characterized in that：The sealing gasket（8）Thickness be seal（3）Thickness 1/3-1/2。

7. chromatogram bottle according to claim 1, it is characterized in that：The internal thread（22）Along inner chamber（21）In inwall is extended to Chamber（21）Inwall and inner chamber（21）The junction of bottom, the internal thread（22）The number of turns be more than external screw thread（102）The number of turns.

8. chromatogram bottle according to claim 1, it is characterized in that：The sealing gasket（8）It is silica gel ring or rubber ring.