CN213854615U

CN213854615U - Liquid chromatograph liquid storage device capable of achieving rapid detection

Info

Publication number: CN213854615U
Application number: CN202022696423.5U
Authority: CN
Inventors: 姜家兴
Original assignee: Shanghai Aosong Scientific Instrument Co ltd
Current assignee: Shanghai Aosong Scientific Instrument Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-03
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a liquid chromatograph technical field just discloses a liquid chromatograph stock solution device of short-term test, comprising a base plate, the top fixedly connected with guard box of bottom plate, the inside middle section fixedly connected with baffle of guard box, all there is the liquid storage pot through fixing bolt swing joint in both ends about the guard box inner chamber bottom, the top intercommunication of liquid storage pot has the straw, there is the hose at the top of straw surface through clamp swing joint, the top fixedly connected with extraction tube of hose, the top fixedly connected with protection casing of guard box. This liquid chromatograph stock solution device of short-term test through protecting the liquid storage pot, when preventing air and mobile phase liquid contact, has avoided the dust to enter into protection casing and protective housing inside, has ensured the accuracy when detecting for detection efficiency has accelerated simultaneously, conveniently opens or closes the apron, easy and simple to handle, convenient to use.

Description

Liquid chromatograph liquid storage device capable of achieving rapid detection

Technical Field

The utility model relates to a liquid chromatograph technical field specifically is a liquid chromatograph stock solution device of short-term test.

Background

The liquid chromatograph is an instrument which firstly separates a mixture and then analyzes and identifies the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids, namely liquid and solid or immiscible liquid.

Modern liquid chromatograph comprises parts such as high-pressure transfer pump, sampling system, temperature control system, chromatographic column, detector and signal record system, current liquid chromatograph stock solution device on the market has the relatively poor shortcoming of protectiveness at present, in the use, current liquid chromatograph's stock solution device generally is ordinary stock solution bottle, the mobile phase in the stock solution bottle is taken through the high-pressure pump in the time of the common use, because sealed effect is not good, inevitable, traditional stock solution bottle can contact with the air, there is the factor that influences experimental data more or less, protectiveness is relatively poor, so provide the liquid chromatograph stock solution device of above a short-term test in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a liquid chromatograph stock solution device of short-term test possesses advantages such as protectiveness is higher, has solved in the use, and current liquid chromatograph's stock solution device generally is ordinary stock solution bottle, is the mobile phase in getting the stock solution bottle through the high-pressure pump when using usually, because sealed effect is not good, inevitable, and traditional stock solution bottle can contact with the air, has more or less factor that influences experimental data, the relatively poor problem of protectiveness.

(II) technical scheme

In order to realize the higher purpose of the above-mentioned protectiveness, the utility model provides a following technical scheme: a liquid chromatograph liquid storage device for rapid detection comprises a bottom plate, wherein a protection box is fixedly connected to the top of the bottom plate, a partition plate is fixedly connected to the middle section of the interior of the protection box, a liquid storage tank is movably connected to the left end and the right end of the bottom of an inner cavity of the protection box through fixing bolts, a straw is communicated with the top of the liquid storage tank, a hose is movably connected to the top of the outer surface of the straw through a hoop, an extraction pipe is fixedly connected to the top of the hose, a protection cover is fixedly connected to the top of the protection box, a solenoid valve positioned in the protection cover is fixedly connected to the outer surface of the extraction pipe, an internal thread sleeve is fixedly connected to the top of the extraction pipe, a cover plate is movably connected to the top of the protection cover plate, a plurality of guide rods are fixedly connected to the left end and the right end of the bottom of the cover plate, and a rotating rod is movably connected to the top of the cover plate through a bearing, the positive bottom of bull stick and the equal fixedly connected with fag end in bottom at the back, the one end fixedly connected with inserted bar of bull stick is kept away from to the fag end, the surface fixedly connected with of inserted bar is located the fixed plate between the relative one side of two guide arms, two the equal butt in one side that the fixed plate is relative has the spring that is located the inserted bar surface, the equal fixedly connected with fixed block in top at both ends about the protection casing inboard.

Preferably, the front of the protection box is movably connected with a movable door through a hinge, and foot pads are fixedly connected to the periphery of the bottom plate.

Preferably, the constant head tank has all been seted up at both ends about the protection casing top, the equal fixedly connected with in both ends is located the inside locating piece of constant head tank about the apron bottom.

Preferably, the protection casing is the rectangle that inside cavity and top and bottom all lack, the top fixedly connected with rotary disk of bull stick.

Preferably, the guide rod is internally provided with a pore channel, and one end of the inserted link, which is far away from the rope belt, penetrates through and extends to the outside of the pore channel.

Preferably, two the relative one side of fixed block has all seted up spacing hole, two one side that the inserted bar carried on the back mutually all is located the inside in spacing hole.

(III) advantageous effects

Compared with the prior art, the utility model provides a liquid chromatograph stock solution device of short-term test possesses following beneficial effect:

1. the liquid chromatograph liquid storage device for rapid detection is characterized in that a liquid storage tank is arranged inside a protective box to protect the liquid storage tank, meanwhile, a protective cover protects an extraction pipe, a cover plate is arranged to prevent dust from entering the protective cover, when detection is needed, a rotating rod is rotated to enable a rope to gradually wind the outer surface of the rotating rod and drive two inserting rods to move towards one opposite side, a fixed plate extrudes a spring to deform, the inserting rods are separated from limiting holes in the fixed plate to realize the disassembly of the cover plate, then an external thread head is connected with an internal thread head, the external thread head is communicated with a high-pressure pump, the sealing performance during extraction is improved, the storage of mobile phase liquid is guaranteed not to be polluted by air, after extraction is finished, the cover plate is positioned through a positioning groove and a positioning block, after the rotating rod is loosened, under the elastic action of the spring, make two inserted bars reset to spacing hole in, realize fixing the apron, avoided the dust to enter into the protection casing inside, improve the protecting effect, the device is through protecting the liquid storage pot, when preventing air and mobile phase liquid contact, has avoided the dust to enter into inside protection casing and the guard box, has ensured the accuracy of examining time measuring for detection efficiency has accelerated simultaneously, conveniently opens or closes the apron, easy and simple to handle, convenient to use.

2. This liquid chromatograph stock solution device of short-term test, through setting up clamp and hose, fix extraction tube and straw through the clamp, the leakproofness when not only having improved the connection, it is convenient to dismantle it simultaneously, further avoided mobile phase liquid to contact with the air, through lifting fixing bolt off, the separation is dismantled with liquid storage pot and protective housing to the convenience, overall structure is simple, convenient equipment, and the leakproofness is good, the very big storage of liquid on the liquid chromatograph that has made things convenient for, accuracy when further having ensured the detection.

Drawings

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

FIG. 2 is an external view of the present invention;

fig. 3 is a perspective view of the utility model of connecting the extraction tube and the female screw head.

In the figure: the device comprises a base plate 1, a protective box 2, a partition plate 3, a fixing bolt 4, a liquid storage tank 5, a suction pipe 6, a clamp 7, a hose 8, a suction pipe 9, a protective cover 10, an electromagnetic valve 11, an internal thread sleeve 12, a cover plate 13, a guide rod 14, a rotating rod 15, a rope belt 16, an inserted rod 17, a fixing plate 18, a spring 19 and a fixing block 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a liquid chromatograph liquid storage device for rapid detection comprises a base plate 1, a protective box 2 is fixedly connected to the top of the base plate 1, a movable door is movably connected to the front of the protective box 2 through a hinge, foot pads are fixedly connected to the periphery of the bottom of the base plate 1, a partition plate 3 is fixedly connected to the middle section of the interior of the protective box 2, a liquid storage tank 5 is movably connected to the left end and the right end of the bottom of the inner cavity of the protective box 2 through fixing bolts 4, a suction pipe 6 is communicated with the top of the liquid storage tank 5, a hose 8 is movably connected to the top of the outer surface of the suction pipe 6 through a hoop 7, an extraction pipe 9 is fixedly connected to the top of the hose 8, a protective cover 10 is fixedly connected to the top of the protective box 2, the top of the extraction pipe 9 penetrates through and extends to the interior of the protective cover 10, an electromagnetic valve 11 located inside the protective cover 10 is fixedly connected to the outer surface of the extraction pipe 9, an internal thread sleeve 12 is fixedly connected to the top of the extraction pipe 9, the top of the protective cover 10 is movably connected with a cover plate 13, the left end and the right end of the top of the protective cover 10 are both provided with positioning grooves, the left end and the right end of the bottom of the cover plate 13 are both fixedly connected with a plurality of guide rods 14, the top of the cover plate 13 is movably connected with a rotating rod 15 through a bearing, the protective cover 10 is a rectangle which is hollow inside and has the top and the bottom missing, the top of the rotating rod 15 is fixedly connected with a rotating disk, the front bottom and the back bottom of the rotating rod 15 are both fixedly connected with a rope belt 16, one end of the rope belt 16 far away from the rotating rod 15 is fixedly connected with an inserting rod 17, the inside of the guide rod 14 is provided with a pore channel, one end of the inserting rod 17 far away from the rope belt 16 penetrates through and extends to the outside of the pore channel, the outer surface of the inserting rod 17 is fixedly connected with a fixing plate 18 positioned between the opposite sides of the two guide rods 14, one opposite sides of the two fixing plates 18 are both abutted against springs 19 positioned on the outer surface of the inserting rod 17, the equal fixedly connected with fixed block 20 in top at both ends about protection casing 10 inboard, spacing hole has all been seted up to two fixed block 20 relative one sides, and two inserted bar 17 one side of carrying on the back mutually all is located the inside in spacing hole.

To sum up, the liquid storage device of the liquid chromatograph for rapid detection is characterized in that the liquid storage tank 5 is arranged inside the protective box 2 to protect the liquid storage tank 5, the protective cover 10 protects the extraction pipe 9, the cover plate 13 is arranged to prevent dust from entering the protective cover 10, when detection is needed, the rotating rod 15 is rotated to gradually wind the rope belt 16 on the outer surface of the rotating rod 15 and drive the two inserting rods 17 to move towards one opposite side, the fixing plate 18 extrudes the spring 19 to deform, the inserting rods 17 are separated from the limiting holes in the fixing block 20, the cover plate 13 can be detached, the external thread head is connected with the internal thread head 12, the external thread head is communicated with the high-pressure pump to improve the sealing performance during extraction, the storage of mobile phase liquid is ensured not to be polluted by air, and after extraction is finished, the positioning groove and the positioning block 13 are positioned, after the rotating rod 15 is loosened, under the elastic action of the spring 19, the two inserting rods 17 are reset to the limiting holes, the cover plate 13 is fixed, dust is prevented from entering the protective cover 10, the protective effect is improved, the device protects the liquid storage tank 5, dust is prevented from entering the protective cover 10 and the protective box 2 while air is prevented from contacting with mobile phase liquid, the accuracy in detection is guaranteed, the detection efficiency is improved, the cover plate 13 is convenient to open or close, the operation is simple and convenient, the use is convenient, the clamp 7 and the hose 8 are arranged, the extracting pipe 9 and the suction pipe 6 are fixed through the clamp 7, the sealing performance in connection is improved, the disassembly of the device is convenient, the mobile phase liquid is further prevented from contacting with the air, the liquid storage tank 5 and the protective box 2 are convenient to disassemble and separate by disassembling the fixing bolt 4, overall structure is simple, convenient equipment, and the leakproofness is good, the very big storage that has made things convenient for liquid chromatograph to go up liquid, accuracy when further having ensured the detection, solved in the use, current liquid chromatograph's stock solution device generally is ordinary stock solution bottle, the mobile phase in getting the stock solution bottle through the high-pressure pump when using usually, because sealed effect is not good, inevitable, traditional stock solution bottle can contact with the air, there is more or less factor that influences the experimental data, the relatively poor problem of protectiveness.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.

Claims

1. The utility model provides a liquid chromatograph stock solution device of short-term test, includes bottom plate (1), its characterized in that: the top fixedly connected with protective housing (2) of bottom plate (1), the inside middle section fixedly connected with baffle (3) of protective housing (2), both ends all have liquid storage pot (5) through fixing bolt (4) swing joint about protective housing (2) inner chamber bottom, the top intercommunication of liquid storage pot (5) has straw (6), the top of straw (6) surface has hose (8) through clamp (7) swing joint, the top fixedly connected with extraction pipe (9) of hose (8), the top fixedly connected with protection casing (10) of protective housing (2), the surface fixedly connected with solenoid valve (11) that are located the inside of protection casing (10) of extraction pipe (9), the top fixedly connected with interior thread bush (12) of extraction pipe (9), the top swing joint of protection casing (10) has apron (13), the equal fixedly connected with quantity in both ends is a plurality of guide arm (14) about apron (13) bottom, there is bull stick (15) at the top of apron (13) through bearing swing joint, the equal fixedly connected with fag end (16) in the bottom at the positive bottom and the back of bull stick (15), the one end fixedly connected with inserted bar (17) of bull stick (15) are kept away from in fag end (16), the outer fixed surface of inserted bar (17) is connected with and is located fixed plate (18) between two relative one sides of guide arm (14), two the equal butt in one relative side of fixed plate (18) has spring (19) that are located inserted bar (17) surface, the equal fixedly connected with fixed block (20) in top at both ends about protection casing (10) inboard.

2. The liquid chromatograph liquid storage device for rapid detection according to claim 1, wherein: the front of the protection box (2) is movably connected with a movable door through a hinge, and foot pads are fixedly connected to the periphery of the bottom plate (1).

3. The liquid chromatograph liquid storage device for rapid detection according to claim 1, wherein: the locating slot has all been seted up at both ends about protection casing (10) top, both ends equal fixedly connected with is located the inside locating piece of locating slot about apron (13) bottom.

4. The liquid chromatograph liquid storage device for rapid detection according to claim 1, wherein: the protective cover (10) is hollow inside and rectangular with the top and the bottom missing, and the top of the rotating rod (15) is fixedly connected with a rotating disk.

5. The liquid chromatograph liquid storage device for rapid detection according to claim 1, wherein: the inside of the guide rod (14) is provided with a pore channel, and one end of the inserted rod (17) far away from the rope belt (16) penetrates through and extends to the outside of the pore channel.

6. The liquid chromatograph liquid storage device for rapid detection according to claim 1, wherein: two spacing holes have all been seted up to fixed block (20) relative one side, two one side that inserted bar (17) carried on the back mutually all is located the inside in spacing hole.