CN219258257U

CN219258257U - Bottleneck seal structure for liquid chromatograph

Info

Publication number: CN219258257U
Application number: CN202320808392.9U
Authority: CN
Inventors: 孙播东; 单春兰; 章厉劼; 赵贵; 虞鹃; 杨强; 谢丽丽; 廖欢; 古海; 王璇
Original assignee: Guizhou Veterinary Drug Feed Testing Institute Guizhou Veterinary Drug Residue Monitoring Center
Current assignee: Guizhou Veterinary Drug Feed Testing Institute Guizhou Veterinary Drug Residue Monitoring Center
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-27
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a bottleneck sealing structure for a liquid chromatograph, which comprises a support table, wherein the left side of the top of the support table is fixedly connected with a liquid chromatograph shell, the bottom of the front surface of the liquid chromatograph shell is movably provided with a monitor, the front surface of the liquid chromatograph shell is movably provided with a constant temperature box, the bottom of the constant temperature box is movably provided with a control pump, the right side of the liquid chromatograph shell is movably connected with a sampling machine, the water inlet of the sampling machine is communicated with a sealing mechanism, the bottom of the front surface of the sampling machine is fixedly connected with a fixed plate, and the top of the fixed plate is movably connected with an infusion bottle. According to the utility model, the bottle mouth at the top of the infusion bottle can be sealed by the sealing mechanism, so that the volatilization of liquid in the infusion bottle from the bottle mouth at the top of the infusion bottle is avoided, the phenomenon of leakage of the liquid in the infusion bottle can not occur when a user uses the infusion bottle, the sealing effect of the infusion bottle can be improved, and the normal use of the user is ensured.

Description

Bottleneck seal structure for liquid chromatograph

Technical Field

The utility model relates to the technical field of liquid chromatographs, in particular to a bottleneck sealing structure for a liquid chromatograph.

Background

The liquid chromatograph is an instrument for separating and analyzing and identifying the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids which are liquid-solid or insoluble, and is divided into liquid-liquid chromatograph and liquid-color fixation spectrum according to the stationary phase, wherein the modern liquid chromatograph consists of a high-pressure infusion pump, a sample injection system, a temperature control system, a chromatographic column, a detector, a signal recording system and the like.

The liquid chromatograph seals the infusion bottle through the bottle lid when using, and the bottle lid is when sealed easy with infusion bottle separation, like chinese patent discloses a seal structure for liquid chromatograph that sealed effect is good, and the patent number is: CN212686336U, including first bottle lid main part and second bottle lid main part, one side of first bottle lid main part and the mutual overlap joint of second bottle lid main part, the through-hole has all been seted up to the inside of first bottle lid main part and second bottle lid main part, first mounting groove has all been seted up to one side of first bottle lid main part and second bottle lid main part. The utility model has the advantages that: this seal structure for liquid chromatograph that sealed effect is good, through all offer through-hole and first mounting groove in the inside of first bottle lid main part and second bottle lid main part and install connecting plate and first sealed pad, can facilitate the use person install and dismantle first sealed pad, can facilitate the use person in time change first sealed pad, make it keep better sealed effect, but also can facilitate the use person install the pipe, the purpose that sealed effect is good and the installation of being convenient for has been reached, this patent is although keeping better sealed effect, but can produce vibrations when detecting high molecular weight through liquid chromatograph, low volatility and poor organic pollutant of thermal stability during the experiment, and liquid chromatograph's vibrations can make the infusion bottle rock, the infusion bottle rocks and can make first sealed pad become flexible, the phenomenon that leaks appears easily to the inside liquid of user infusion bottle when using, can't promote the sealed effect of infusion bottle, thereby influence user's normal use.

Therefore, the liquid chromatograph needs to be designed and improved, and the phenomenon that the sealing effect of the infusion bottle cannot be improved is effectively prevented.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a bottleneck sealing structure for a liquid chromatograph, which has the advantage of improving the sealing effect of an infusion bottle and solves the problem that the liquid chromatograph cannot improve the sealing effect of the infusion bottle.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bottleneck seal structure for liquid chromatograph, includes the supporting table, the left side fixedly connected with liquid chromatograph shell of supporting table top, the positive bottom movable mounting of liquid chromatograph shell has the monitor, the positive movable mounting of liquid chromatograph shell has the thermostated container, the bottom movable mounting of thermostated container has the control pump, the right side swing joint of liquid chromatograph shell has the sampling machine, the water inlet intercommunication of sampling machine has sealing mechanism, the positive bottom fixedly connected with fixed plate of sampling machine, the top swing joint of fixed plate has the infusion bottle;

the sealing mechanism comprises a hose, an insertion tube is communicated with the bottom of the hose, a lifting plate is fixedly connected to the surface of the hose, a sealing sleeve is fixedly connected to the bottom of the lifting plate, a sealing block is fixedly connected to the bottom of the sealing sleeve, the bottom of the sealing block extends to the inside of the infusion bottle, and the surface of the sealing block is in contact with the inner cavity of the infusion bottle.

As preferable, the bottom of the supporting table is fixedly connected with the table legs, and the inner sides of the table legs are fixedly connected with the connecting plates.

As the preferable mode of the utility model, the two sides of the front surface of the lifting plate are respectively provided with a screw, the back surface of the screw penetrates through the lifting plate and extends to the outside of the lifting plate to be fixedly connected with a positioning block, and the back surface of the positioning block penetrates to the inside of the sampling machine.

As the preferable mode of the utility model, the right side of the top of the supporting table is movably connected with a bracket, and the top of the bracket is fixedly connected with a display screen.

As the preferable mode of the utility model, the front surface of the screw is fixedly connected with a hand rotating wheel, and the surface of the hand rotating wheel is provided with anti-skid grains.

As the preferable mode of the utility model, the two sides of the lifting plate are fixedly connected with the sliding blocks, the two sides of the front face of the sampling machine are fixedly connected with the positioning plate, the inner side of the positioning plate is provided with the sliding groove, and the sliding groove is in sliding connection with the sliding blocks.

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

1. according to the utility model, the bottle mouth at the top of the infusion bottle can be sealed by the sealing mechanism, so that the volatilization of liquid in the infusion bottle from the bottle mouth at the top of the infusion bottle is avoided, the phenomenon of leakage of the liquid in the infusion bottle can not occur when a user uses the infusion bottle, the sealing effect of the infusion bottle can be improved, and the normal use of the user is ensured.

2. The utility model can support the supporting table by arranging the table legs and the connecting plates, and improves the height of the supporting table, thereby being convenient for users to use.

Drawings

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is a front view block diagram of FIG. 1 of the present utility model;

FIG. 3 is a top view of the mounting plate of FIG. 1 in a cross-sectional view in accordance with the present utility model;

fig. 4 is an enlarged structural view of the present utility model at a in fig. 2.

In the figure: 1. a support table; 2. a liquid chromatograph housing; 3. a monitor; 4. a constant temperature box; 5. controlling the pump; 6. sampling machine; 7. a sealing mechanism; 71. a hose; 72. an insertion tube; 73. a lifting plate; 74. sealing sleeve; 75. a sealing block; 8. a fixing plate; 9. an infusion bottle; 10. a table leg; 11. a connecting plate; 12. a screw; 13. a positioning block; 14. a bracket; 15. a display screen; 16. a hand wheel; 17. a slide block; 18. a positioning plate; 19. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

As shown in fig. 1 to 4, the bottleneck sealing structure for the liquid chromatograph provided by the utility model comprises a supporting table 1, wherein the left side of the top of the supporting table 1 is fixedly connected with a liquid chromatograph shell 2, the bottom of the front surface of the liquid chromatograph shell 2 is movably provided with a monitor 3, the front surface of the liquid chromatograph shell 2 is movably provided with a constant temperature box 4, the bottom of the constant temperature box 4 is movably provided with a control pump 5, the right side of the liquid chromatograph shell 2 is movably connected with a sampling machine 6, the water inlet of the sampling machine 6 is communicated with a sealing mechanism 7, the bottom of the front surface of the sampling machine 6 is fixedly connected with a fixed plate 8, and the top of the fixed plate 8 is movably connected with an infusion bottle 9;

the sealing mechanism 7 comprises a hose 71, an insertion tube 72 is communicated with the bottom of the hose 71, a lifting plate 73 is fixedly connected to the surface of the hose 71, a sealing sleeve 74 is fixedly connected to the bottom of the lifting plate 73, a sealing block 75 is fixedly connected to the bottom of the sealing sleeve 74, the bottom of the sealing block 75 extends to the inside of the infusion bottle 9, and the surface of the sealing block 75 is in contact with the inner cavity of the infusion bottle 9.

Referring to fig. 2, a leg 10 is fixedly coupled to the bottom of the support table 1, and a link plate 11 is fixedly coupled to the inner side of the leg 10.

As a technical optimization scheme of the utility model, the supporting table 1 can be supported by arranging the table legs 10 and the connecting plates 11, and the height of the supporting table 1 is increased, so that the use by a user is convenient.

Referring to fig. 3, screws 12 are disposed on both sides of the front surface of the lifting plate 73, and a positioning block 13 is fixedly connected to the outside of the lifting plate 73 by penetrating the lifting plate 73 from the back surface of the screws 12, and the back surface of the positioning block 13 penetrates the inside of the sampler 6.

As a technical optimization scheme of the utility model, the positioning block 13 can be driven by arranging the screw 12, so that the positioning block 13 is inserted into the sampler 6.

Referring to fig. 2, a bracket 14 is movably connected to the right side of the top of the support table 1, and a display screen 15 is fixedly connected to the top of the bracket 14.

As a technical optimization scheme of the utility model, the display screen 15 can be supported by arranging the bracket 14, and the detected data can be displayed by arranging the display screen 15.

Referring to fig. 3, a hand wheel 16 is fixedly connected to the front surface of the screw 12, and anti-slip patterns are provided on the surface of the hand wheel 16.

As a technical optimization scheme of the utility model, the contact area between the screw 12 and the hand can be increased by arranging the hand rotating wheel 16, so that a user can conveniently rotate the screw 12.

Referring to fig. 4, the two sides of the lifting plate 73 are fixedly connected with the sliding blocks 17, the two sides of the front of the sampling machine 6 are fixedly connected with the positioning plate 18, the inner side of the positioning plate 18 is provided with the sliding grooves 19, and the sliding grooves 19 are in sliding connection with the sliding blocks 17.

As a technical optimization scheme of the utility model, the lifting plate 73 can be limited by arranging the sliding block 17, the positioning plate 18 and the sliding groove 19, so that the lifting plate 73 is prevented from moving left and right.

The working principle and the using flow of the utility model are as follows: when the infusion bottle is used, a user firstly places the infusion bottle 9 at the top of the fixed plate 8, pushes the lifting plate 73 downwards, the lifting plate 73 drives the bottom of the hose 71 to move downwards, the hose 71 drives the insertion tube 72 to move downwards and insert the inside of the infusion bottle 9, the sealing sleeve 74 is in contact with the top of the infusion bottle 9, meanwhile, the sealing block 75 is led into the inside of the infusion bottle 9 to seal the bottle opening at the top of the infusion bottle 9, the screw 12 is rotated, the screw 12 drives the positioning block 13 to be inserted into the sample drawing machine 6, the lifting plate 73 is limited through the screw 12, the lifting plate 73 is prevented from moving up and down, the sealing sleeve 74 is fixed through the lifting plate 73, and the sealing block 75 is prevented from being separated from the infusion bottle 9.

To sum up: this bottleneck seal structure for liquid chromatograph can seal the bottleneck at infusion bottle 9 top by sealing mechanism 7, avoids the inside liquid of infusion bottle 9 to volatilize from the bottleneck at infusion bottle 9 top, and the phenomenon that the inside liquid of infusion bottle 9 can not appear leaking when the user uses can promote the sealed effect of infusion bottle 9 to guarantee user's normal use.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a bottleneck seal structure for liquid chromatograph, includes supporting table (1), its characterized in that: the liquid chromatograph comprises a support table (1), wherein a liquid chromatograph shell (2) is fixedly connected to the left side of the top of the support table (1), a monitor (3) is movably mounted at the front bottom of the liquid chromatograph shell (2), a constant temperature box (4) is movably mounted at the front of the liquid chromatograph shell (2), a control pump (5) is movably mounted at the bottom of the constant temperature box (4), a sampling machine (6) is movably connected to the right side of the liquid chromatograph shell (2), a sealing mechanism (7) is communicated with a water inlet of the sampling machine (6), a fixing plate (8) is fixedly connected to the front bottom of the sampling machine (6), and an infusion bottle (9) is movably connected to the top of the fixing plate (8);

sealing mechanism (7) are including hose (71), the bottom intercommunication of hose (71) has insert tube (72), the fixed surface of hose (71) is connected with lifter plate (73), the bottom fixedly connected with seal cover (74) of lifter plate (73), the bottom fixedly connected with sealing block (75) of seal cover (74), the inside of infusion bottle (9) is extended to the bottom of sealing block (75), the surface of sealing block (75) and the inner chamber contact of infusion bottle (9).

2. The bottleneck sealing structure for liquid chromatograph according to claim 1, wherein: the bottom of the supporting table (1) is fixedly connected with a table leg (10), and the inner side of the table leg (10) is fixedly connected with a connecting plate (11).

3. The bottleneck sealing structure for liquid chromatograph according to claim 1, wherein: the lifting plate (73) is characterized in that screws (12) are arranged on two sides of the front face of the lifting plate (73), the back face of each screw (12) penetrates through the lifting plate (73) and extends to the outer portion of the lifting plate (73) to be fixedly connected with a positioning block (13), and the back face of each positioning block (13) penetrates through the inner portion of the sampling machine (6).

4. The bottleneck sealing structure for liquid chromatograph according to claim 1, wherein: the right side of supporting table (1) top swing joint has support (14), the top fixedly connected with display screen (15) of support (14).

5. A finish seal for a liquid chromatograph according to claim 3, characterized in that: the front of the screw rod (12) is fixedly connected with a hand rotating wheel (16), and anti-skidding lines are arranged on the surface of the hand rotating wheel (16).

6. The bottleneck sealing structure for liquid chromatograph according to claim 1, wherein: both sides of lifter plate (73) all fixedly connected with slider (17), positive both sides of sampling machine (6) all fixedly connected with locating plate (18), spout (19) have been seted up to the inboard of locating plate (18), spout (19) and slider (17) sliding connection.