阅读说明：本技术 一种液相色谱仪流动相用瓶盖 (Bottle cap for mobile phase of liquid chromatograph ) 是由 章志尧 于 2020-12-03 设计创作，主要内容包括：本发明公开的属于液相色谱仪技术领域,具体为一种液相色谱仪流动相用瓶盖,包括外瓶盖,所述外瓶盖的上侧壁开设有第一进样口,所述第一进样口的下端横向固定设置有缓冲层,所述缓冲层的下端固定设置有液体层,所述液体层的下端固定设置有防挥发层,所述防挥发层的下端固定设置有内瓶盖,所述内瓶盖的上侧壁开设有第二进样口,所述内瓶盖的外部固定套接有密封圈,所述密封圈的两端开设有对称的第一空腔,两个所述第一空腔的内部均固定设置有安装机构,所述外瓶盖的左侧壁固定设置有对称的固定块,两个所述固定块之间通过轴承转动设置有转杆,有效降低了使用成本,且防止试剂瓶内部的试剂在使用过程中挥发造成浪费。(The invention belongs to the technical field of liquid chromatographs, and particularly relates to a bottle cap for mobile phases of a liquid chromatograph, which comprises an outer bottle cap, wherein a first sample inlet is formed in the upper side wall of the outer bottle cap, a buffer layer is transversely and fixedly arranged at the lower end of the first sample inlet, a liquid layer is fixedly arranged at the lower end of the buffer layer, an anti-volatilization layer is fixedly arranged at the lower end of the liquid layer, an inner bottle cap is fixedly arranged at the lower end of the anti-volatilization layer, a second sample inlet is formed in the upper side wall of the inner bottle cap, a sealing ring is fixedly sleeved outside the inner bottle cap, symmetrical first cavities are formed in two ends of the sealing ring, a mounting mechanism is fixedly arranged inside each of the two first cavities, symmetrical fixed blocks are fixedly arranged on the left side wall of the outer bottle cap, a rotating rod is rotatably arranged between the two, and prevent the reagent inside the reagent bottle from volatilizing in the use process to cause waste.)

1. The utility model provides a bottle lid for mobile phase of liquid chromatograph, includes outer bottle lid (1), its characterized in that, first introduction port has been seted up to the last lateral wall of outer bottle lid (1), the horizontal fixed buffer layer (2) that is provided with of lower extreme of first introduction port, the fixed liquid layer (3) that is provided with of lower extreme of buffer layer (2), the fixed anti-volatilization layer (4) that is provided with of lower extreme of liquid layer (3), the fixed interior bottle lid (5) that is provided with of lower extreme of anti-volatilization layer (4), the second introduction port has been seted up to the last lateral wall of interior bottle lid (5), sealing washer (6) has been cup jointed to the external fixation of interior bottle lid (5), symmetrical first cavity has been seted up at the both ends of sealing washer (6), two the inside of first cavity all is fixed and is provided with installation mechanism, the fixed block (7) that is provided with the, two it is provided with bull stick (8) to rotate through the bearing between fixed block (7), the fixed stopper (9) that is provided with the symmetry of pole wall of bull stick (8), the fixed cup joint in both ends of bull stick (8) has torque spring (10), two the one end of torque spring (10) all with the lateral wall fixed connection of fixed block (7), two the one end that fixed block (7) were kept away from in torque spring (10) all with one side fixed connection of stopper (9), two the right side wall of stopper (9) is all fixed and is provided with connecting block (11), two the right-hand member of connecting block (11) is fixed jointly and is provided with sealed lid (12), the second cavity has been seted up to the right-hand member of outer bottle lid (1), the inside of second cavity is fixed and is provided with fixed establishment.

2. The bottle cap for mobile phase of liquid chromatograph of claim 1, characterized in that: installation mechanism includes two slider (13), two slider (13) all with the lateral wall sliding connection of first cavity, two the lateral wall of slider (13) is all fixed and is provided with first spring (14), two the one end that slider (13) were kept away from in first spring (14) all with the lateral wall fixed connection of first cavity, the recess of symmetry is seted up at the both ends of outer bottle lid (1), two the one end that first spring (14) were kept away from in slider (13) is all fixed and is provided with dead lever (15), two the one end that slider (13) were kept away from in dead lever (15) all runs through the lateral wall of first cavity and extends to the inside of recess.

3. The bottle cap for mobile phase of liquid chromatograph of claim 1, characterized in that: the fixing mechanism comprises a moving block (16), the moving block (16) is connected with the side wall of the second cavity in a sliding mode, a cross rod (17) is fixedly arranged on the right side wall of the moving block (16), the right end of the cross rod (17) penetrates through the right side wall of the second cavity and extends to the outside, a vertical plate (18) is fixedly arranged at the right end of the cross rod (17), a limiting groove is formed in the right end of the sealing cover (12), a limiting rod (19) is fixedly arranged at the upper end of the left side wall of the vertical plate (18), the limiting rod (19) is connected with the limiting groove in a clamping mode, a second spring (20) is fixedly sleeved on the outside of the cross rod (17), the left end of the second spring (20) is fixedly connected with the right side wall of the moving block (16), and the right end of the second spring (20) is fixedly connected with the right side wall of.

4. The bottle cap for mobile phase of liquid chromatograph of claim 1, characterized in that: the lower end of the sealing cover (12) is fixedly provided with sealing cotton.

5. The bottle cap for mobile phase of liquid chromatograph of claim 1, characterized in that: the buffer layer (2) is made of a polyurethane elastomer.

Technical Field

The invention relates to the technical field of liquid chromatographs, in particular to a bottle cap for a mobile phase of a liquid chromatograph.

Background

The high performance liquid chromatography is also called high pressure liquid chromatography, high speed liquid chromatography, high resolution liquid chromatography, modern column chromatography and the like. High performance liquid chromatography is an important branch of chromatography, liquid is used as a mobile phase, a high-pressure infusion system is adopted, mobile phases such as single solvents with different polarities or mixed solvents, buffer solutions and the like with different proportions are pumped into a chromatographic column filled with a stationary phase, and after components in the column are separated, the mobile phases enter a detector for detection, so that analysis of a sample is realized. The method becomes an important separation and analysis technology application in the subject fields of chemistry, medicine, industry, agriculture, commodity inspection, law inspection and the like.

The mobile phase reagent bottle of present liquid chromatograph generally is 500mL and 1L's reagent bottle, after current bottle lid installation is fixed, if the inside reagent of reagent bottle can not disposable use up, remaining reagent will volatilize through the introduction port department of bottle lid, cause the waste of reagent, and use the back for a long time, when the inside buffer layer of bottle lid, the liquid level with prevent volatilizing the layer when needing to be changed, the inconvenient dismouting of bottle lid, can not change inside, must change whole bottle lid, cause use cost to increase.

Disclosure of Invention

The invention aims to provide a bottle cap for a mobile phase of a liquid chromatograph, which aims to solve the problems that the existing bottle cap in the background art has poor sealing performance, is easy to volatilize an internal reagent, and is inconvenient to disassemble and assemble to replace an internal buffer layer, a liquid layer and an anti-volatilization layer.

In order to achieve the purpose, the invention provides the following technical scheme: a bottle cap for mobile phase of a liquid chromatograph comprises an outer bottle cap, wherein a first sample inlet is formed in the upper side wall of the outer bottle cap, a buffer layer is transversely and fixedly arranged at the lower end of the first sample inlet, a liquid layer is fixedly arranged at the lower end of the buffer layer, a volatilization-proof layer is fixedly arranged at the lower end of the liquid layer, an inner bottle cap is fixedly arranged at the lower end of the volatilization-proof layer, a second sample inlet is formed in the upper side wall of the inner bottle cap, a sealing ring is fixedly sleeved outside the inner bottle cap, symmetrical first cavities are formed in two ends of the sealing ring, a mounting mechanism is fixedly arranged inside each of the two first cavities, symmetrical fixed blocks are fixedly arranged on the left side wall of the outer bottle cap, a rotating rod is rotatably arranged between the two fixed blocks through a bearing, symmetrical limit blocks are fixedly arranged on the rod wall of the rotating rod, and, two torsion spring's one end all with the lateral wall fixed connection of fixed block, two torsion spring keep away from the fixed block one end all with one side fixed connection of stopper, two the right side wall of stopper all fixes and is provided with the connecting block, two the right-hand member of connecting block is fixed jointly and is provided with sealed lid, the second cavity has been seted up to the right-hand member of outer bottle lid, the fixed establishment that is provided with in inside of second cavity.

Preferably, installation mechanism includes two sliders, two the slider all with the lateral wall sliding connection of first cavity, two the lateral wall of slider is all fixed and is provided with first spring, two the one end that first spring kept away from the slider all with the lateral wall fixed connection of first cavity, the recess of symmetry is seted up at the both ends of outer bottle lid, two the one end that first spring was kept away from to the slider is all fixed and is provided with the dead lever, two the one end that the slider was kept away from to the dead lever all runs through the lateral wall of first cavity and extends to the inside of recess.

Preferably, the fixing mechanism includes a moving block, the moving block is slidably connected to a side wall of the second cavity, a cross rod is fixedly arranged on a right side wall of the moving block, the right end of the cross rod penetrates through the right side wall of the second cavity and extends to the outside, a vertical plate is fixedly arranged at the right end of the cross rod, a limit groove is formed in the right end of the sealing cover, a limit rod is fixedly arranged at the upper end of a left side wall of the vertical plate and is clamped with the limit groove, a second spring is fixedly sleeved on the outside of the cross rod, the left end of the second spring is fixedly connected to the right side wall of the moving block, and the right end of the second spring is fixedly connected to the right side wall of the second cavity.

Preferably, the lower end of the sealing cover is fixedly provided with sealing cotton.

Preferably, the buffer layer is made of polyurethane elastomer.

Compared with the prior art, the invention has the beneficial effects that:

1) through the common cooperation of slider, first spring, dead lever and sealing washer, be convenient for carry out the dismouting to internal bottle lid, when long-time the back of using, buffer layer, liquid level and the layer of preventing volatilizing need be changed, and direct change need not change whole outer bottle lid and interior bottle lid, reduces use cost.

2) Through the common cooperation of movable block, horizontal pole, riser, gag lever post, second spring and sealed lid, be convenient for seal the upper end of outer bottle lid, when preventing the reagent of reagent bottle inside from not using, reagent emergence volatilizees, causes the waste of reagent.

Drawings

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

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

FIG. 4 is an enlarged schematic view of portion B of FIG. 1;

fig. 5 is an enlarged schematic view of a portion C in fig. 2.

In the figure: the anti-volatilization bottle cap comprises an outer bottle cap 1, a buffer layer 2, a liquid layer 3, a volatilization-proof layer 4, an inner bottle cap 5, a sealing ring 6, a fixing block 7, a rotating rod 8, a limiting block 9, a torsion spring 10, a connecting block 11, a sealing cover 12, a sliding block 13, a first spring 14, a fixing rod 15, a moving block 16, a cross rod 17, a vertical plate 18, a limiting rod 19 and a second spring 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: a bottle cap for mobile phase of a liquid chromatograph comprises an outer bottle cap 1, wherein a first sample inlet is formed in the upper side wall of the outer bottle cap 1, a buffer layer 2 is transversely and fixedly arranged at the lower end of the first sample inlet, a liquid layer 3 is fixedly arranged at the lower end of the buffer layer 2, an anti-volatilization layer 4 is fixedly arranged at the lower end of the liquid layer 3, an inner bottle cap 5 is fixedly arranged at the lower end of the anti-volatilization layer 4, a second sample inlet is formed in the upper side wall of the inner bottle cap 5, a sealing ring 6 is fixedly sleeved outside the inner bottle cap 5, symmetrical first cavities are formed in two ends of the sealing ring 6, a mounting mechanism is fixedly arranged inside each of the two first cavities, symmetrical fixed blocks 7 are fixedly arranged on the left side wall of the outer bottle cap 1, a rotating rod 8 is rotatably arranged between the two fixed blocks 7 through a bearing, symmetrical limiting blocks 9 are fixedly arranged on the rod, one end of each of the two torsion springs 10 is fixedly connected with the side wall of the fixed block 7, one end of each of the two torsion springs 10, which is far away from the fixed block 7, is fixedly connected with one side of the limit block 9, the right side walls of the two limit blocks 9 are fixedly provided with the connecting blocks 11, the right ends of the two connecting blocks 11 are fixedly provided with the sealing covers 12 together, the right end of the outer bottle cap 1 is provided with a second cavity, and a fixing mechanism is fixedly arranged in the second cavity;

the mounting mechanism comprises two sliders 13, the two sliders 13 are both connected with the side wall of the first cavity in a sliding mode, the side walls of the two sliders 13 are both fixedly provided with first springs 14, one ends, far away from the sliders 13, of the two first springs 14 are both fixedly connected with the side wall of the first cavity, two ends of the outer bottle cap 1 are provided with symmetrical grooves, one ends, far away from the first springs 14, of the two sliders 13 are both fixedly provided with fixing rods 15, one ends, far away from the sliders 13, of the two fixing rods 15 penetrate through the side wall of the first cavity and extend into the grooves, the inner bottle cap 5 and the outer bottle cap 1 can be conveniently dismounted, the buffer layer 2, the liquid layer 3 and the anti-volatilization layer 4 in the inner bottle cap can be rapidly replaced;

the fixing mechanism comprises a moving block 16, the moving block 16 is connected with the side wall of the second cavity in a sliding mode, a cross rod 17 is fixedly arranged on the right side wall of the moving block 16, the right end of the cross rod 17 penetrates through the right side wall of the second cavity and extends to the outside, a vertical plate 18 is fixedly arranged at the right end of the cross rod 17, a limiting groove is formed in the right end of the sealing cover 12, a limiting rod 19 is fixedly arranged at the upper end of the left side wall of the vertical plate 18, the limiting rod 19 is clamped with the limiting groove, a second spring 20 is fixedly sleeved outside the cross rod 17, the left end of the second spring 20 is fixedly connected with the right side wall of the moving block 16, the right end of the second spring 20 is fixedly connected with the right side wall of the second cavity, the sealing cover 12 is conveniently fixed at the upper end of;

the lower end of the sealing cover 12 is fixedly provided with sealing cotton;

the buffer layer 2 is made of polyurethane elastomer.

The working principle is as follows: when the reagent in the reagent bottle is not used up at one time, the vertical plate 18 is pulled, the vertical plate 18 drives the limiting rod 19 fixedly connected with the left side wall to move, the sealing cover 12 is pressed, the sealing cover 12 covers the upper end of the outer bottle cap 1, the vertical plate 18 is loosened, the second spring 20 pushes the moving block 16 fixedly connected with the left side wall to move, the moving block 16 pulls the cross rod 17 fixedly connected with the right side wall to move, the cross rod 17 drives the vertical plate 18 fixedly connected with the right side wall to move leftwards, the vertical plate 18 drives the limiting rod 19 fixedly connected with the left side wall to be clamped with the limiting groove, the sealing cover 12 is fixed to prevent the reagent from volatilizing, after long-time use, when the buffer layer 2, the liquid layer 3 and the volatilization-proof layer 4 in the outer bottle cap 1 need to be replaced, the fixing rods 15 at the two ends are directly pressed, the sliding blocks, carry out the dismouting between bottle lid 5 and the outer bottle lid 1 in making, be convenient for change buffer layer 2, liquid level 3 and prevent layer 4 that volatilizees, reduce use cost.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.