阅读说明：本技术 一种防堵塞的高压液相色谱柱筛板 (Anti-blocking high-pressure liquid chromatography column sieve plate ) 是由 章志尧 丁良祝 刘丽丽 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种防堵塞的高压液相色谱柱筛板,包括柱体,所述柱体表面的顶部螺纹连接有密封盖,并且密封盖的顶部固定连接有竖管,所述竖管表面的顶部螺纹连接有顶盖,并且顶盖中部固定连接有进料管,本发明涉及高压液相色谱柱技术领域。该防堵塞的高压液相色谱柱筛板,通过柱体表面的顶部螺纹连接有密封盖,阶梯式的过滤盘可以扩大液体过滤盘之间的接触面积,避免囤积在一处,而且采用跷跷板相同的方法,可以使得过滤盘在进行使用的过程两边晃动,提高过滤的效果,通过底盖内壁的底部开设有凹槽,可以提高整体的过滤效果,而且过滤盘和过滤网都方便进行安装和拆卸,方便对其进行清洁,不影响下一次的使用。(The invention discloses an anti-blocking high-pressure liquid chromatography column sieve plate which comprises a column body, wherein the top of the surface of the column body is in threaded connection with a sealing cover, the top of the sealing cover is fixedly connected with a vertical tube, the top of the surface of the vertical tube is in threaded connection with a top cover, and the middle of the top cover is fixedly connected with a feeding tube. This prevent high pressure liquid chromatography column sieve of jam, top threaded connection through the cylinder surface has sealed lid, cascaded filter plate can enlarge the area of contact between the liquid filter plate, avoid hoarding in one, and adopt the same method of seesaw, can make the filter plate rock on the process both sides of using, improve filterable effect, set up flutedly through the bottom of bottom inner wall, can improve holistic filter effect, and filter plate and filter screen all conveniently install and dismantle, the convenience is cleaned it, do not influence next use.)

1. The utility model provides a prevent high pressure liquid chromatography column sieve of jam, includes cylinder (1), its characterized in that: the top threaded connection on cylinder (1) surface has sealed lid (2) to the top fixedly connected with standpipe (3) of sealed lid (2), the top threaded connection on standpipe (3) surface has top cap (4) to top cap (4) middle part fixedly connected with inlet pipe (5), the bottom threaded connection on cylinder (1) surface has bottom (6), and bottom fixedly connected with discharging pipe (7) of bottom (6), the bottom threaded connection on discharging pipe (7) surface has fastening lid (8), the inside fixedly connected with filter equipment (9) of standpipe (3).

2. The anti-clogging high pressure liquid chromatography column sieve plate of claim 1, wherein: the top threaded connection on the surface of the feeding pipe (5) is provided with a protective cover (10), and the top of the inner wall of the sealing cover (2) is fixedly connected with a sealing ring (11).

3. The anti-clogging high pressure liquid chromatography column sieve plate of claim 2, wherein: the bottom end of the vertical pipe (3) is communicated with a guide pipe (12), and the bottom end of the guide pipe (12) penetrates through the sealing cover (2) and the sealing ring (11) and extends to the bottom of the sealing ring (11).

4. The anti-clogging high pressure liquid chromatography column sieve plate of claim 1, wherein: the filter device (9) comprises a transverse plate (91) and a filter disc (92), wherein the two sides of the transverse plate (91) are fixedly connected with the inner wall of the vertical tube (3), the bottom of the filter disc (92) is fixedly connected with a fixing plate (93), and filter holes (94) are formed in the bottom of the filter disc (92).

5. The anti-clogging high pressure liquid chromatography column sieve plate of claim 4, wherein: the equal swing joint in both sides at diaphragm (91) top has riser (95) to the inside fixedly connected with movable rod (96) of fixed plate (93), riser (95) are all run through and extend to the outside of riser (95) in the both ends of movable rod (96).

6. The anti-clogging high pressure liquid chromatography column sieve plate of claim 4, wherein: the bottom fixedly connected with movable block (97) of riser (95) to the equal fixedly connected with connecting plate (98) in both sides of diaphragm (91) bottom, two fixedly connected with slide bar (99) between the relative one side of connecting plate (98), and the inside of movable block (97) and the surface sliding connection of slide bar (99), the surface of slide bar (99) just is located first spring (910) of fixedly connected with between the relative one side of connecting plate (98) and movable block (97).

7. The anti-clogging high pressure liquid chromatography column sieve plate of claim 4, wherein: the equal swing joint in both sides of diaphragm (91) inside has montant (911) to the top fixedly connected with arc piece (912) of montant (911), the bottom fixedly connected with dog (913) of montant (911), the surface of montant (911) just is located fixedly connected with second spring (914) between arc piece (912) and the relative one side of diaphragm (91).

8. The anti-clogging high pressure liquid chromatography column sieve plate of claim 1, wherein: the bottom of bottom (6) inner wall is seted up flutedly (13) to the equal fixedly connected with gag lever post (14) in both sides of recess (13) inner wall bottom, two be provided with filter screen (15) between the surface of gag lever post (14), the top intercommunication of bottom (6) has connecting pipe (16), the bottom of connecting pipe (16) runs through discharging pipe (7) and extends to the inside of discharging pipe (7).

Technical Field

The invention relates to the technical field of high-pressure liquid chromatography columns, in particular to an anti-blocking high-pressure liquid chromatography column sieve plate.

Background

A liquid chromatographic column for liquid chromatographic analysis is composed of column tube, pressure cap, sealing ring, sieve plate, joint and screw, and is divided into two categories of filler and open-tube column, which are metallic or glass, and have straight tube, coiled tube and U-shaped tube The particle size of porous carbon and the like is generally 3, 5, 7, 10 mu m and the like, the theoretical value of column effect can reach 5-16 ten thousand per meter, the column effect of 5000 plate numbers is only needed for general analysis, only 500 is needed for homologue analysis, and 2 ten thousand columns can be adopted for difficult substance pair separation, so that the column length of about 10-30cm can meet the requirement of complex mixture analysis generally, the high performance liquid chromatography introduces the theory of gas chromatography on the basis of the classical chromatography, and technically, the mobile phase is changed into high-pressure transportation.

Current high-pressure liquid chromatography column sieve can adopt the sieve of bucket form, and liquid is less with the area of contact of sieve, and liquid is concentrated and the middle part of sieve, causes the jam easily, and some adoption circular platykurtic sieves, liquid also concentrate the middle part, and difficult to expand all around and scatter, the possibility that causes the jam is also big, generally all uses a sieve, and the filter effect is relatively poor, and the installation and the dismantlement of sieve are all inconvenient to be operated simultaneously.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an anti-blocking high-pressure liquid chromatography column sieve plate, which solves the problems that the sieve plate is easy to block and is inconvenient to install and disassemble.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a prevent high pressure liquid chromatography column sieve of jam, includes the cylinder, the top threaded connection on cylinder surface has sealed lid to the top fixedly connected with standpipe of sealed lid, the top threaded connection on standpipe surface has the top cap to top cap middle part fixedly connected with inlet pipe, the bottom threaded connection on cylinder surface has the bottom to the bottom fixedly connected with discharging pipe of bottom, the bottom threaded connection on discharging pipe surface has fastening lid, the inside fixedly connected with filter equipment of standpipe.

Preferably, a protective cover is in threaded connection with the top of the surface of the feeding pipe, and a sealing ring is fixedly connected to the top of the inner wall of the sealing cover.

Preferably, the bottom end of the vertical pipe is communicated with a guide pipe, and the bottom end of the guide pipe penetrates through the sealing cover and the sealing ring and extends to the bottom of the sealing ring.

Preferably, the filtering device comprises a transverse plate and a filtering disc, the two sides of the transverse plate are fixedly connected with the inner wall of the vertical pipe, the bottom of the filtering disc is fixedly connected with a fixing plate, and filtering holes are formed in the bottom of the filtering disc.

Preferably, the equal swing joint in both sides at diaphragm top has the riser to the inside fixedly connected with movable rod of fixed plate, the both ends of movable rod all run through the riser and extend to the outside of riser.

Preferably, the bottom fixedly connected with movable block of riser to the equal fixedly connected with connecting plate in both sides of diaphragm bottom, two fixedly connected with slide bar between the relative one side of connecting plate, and the inside of movable block and the surperficial sliding connection of slide bar, the surface of slide bar just is located the first spring of fixedly connected with between the relative one side of connecting plate and movable block.

Preferably, the both sides of diaphragm inside all swing joint have the montant to the top fixedly connected with arc piece of montant, the bottom fixedly connected with dog of montant, the surface of montant just is located fixedly connected with second spring between arc piece and the relative one side of diaphragm.

Preferably, the bottom of the inner wall of the bottom cover is provided with a groove, limiting rods are fixedly connected to two sides of the bottom of the inner wall of the groove, a filter screen is arranged between the surfaces of the two limiting rods, the top of the bottom cover is communicated with a connecting pipe, and the bottom end of the connecting pipe penetrates through the discharge pipe and extends to the inside of the discharge pipe.

Advantageous effects

The invention provides an anti-clogging high-pressure liquid chromatography column sieve plate. Compared with the prior art, the method has the following beneficial effects:

(1) the anti-blocking high-pressure liquid chromatography column sieve plate is characterized in that a sealing cover is connected with the top of the surface of a column body through a thread at the top, a vertical pipe is fixedly connected with the top of the sealing cover, a top cover is connected with the top of the surface of the vertical pipe through a thread, a feeding pipe is fixedly connected with the middle part of the top cover, a bottom cover is connected with the bottom of the surface of the column body through a thread, a discharging pipe is fixedly connected with the bottom of the bottom cover, a fastening cover is connected with the bottom of the surface of the discharging pipe through a thread, a filtering device is fixedly connected with the inside of the vertical pipe, a movable block is fixedly connected with the bottom of the vertical pipe, connecting plates are fixedly connected with the two sides of the bottom of the transverse plate, a sliding rod is fixedly connected between the opposite sides of the two connecting plates, the inside of the movable block is connected with the surface of the sliding rod in a sliding manner, a first spring is fixedly connected between the opposite sides of the connecting plates and the movable block on the surface of the sliding rod, and the filtering device is adopted for the first-time filtering, the stepped filter disc can enlarge the contact area between the liquid filter discs, avoids being hoarded in one position, and can enable the two sides of the filter disc to shake in the using process by adopting the same method of the seesaws, thereby improving the filtering effect.

(2) This prevent high pressure liquid chromatography column sieve of jam, bottom through the bottom inner wall of bottom is seted up flutedly, and the equal fixedly connected with gag lever post in both sides of recess inner wall bottom, be provided with the filter screen between the surface of two gag lever posts, the top intercommunication of bottom has the connecting pipe, the inside that the discharging pipe and extended to the discharging pipe is run through to the bottom of connecting pipe, adopt two-layer filterable mode to filter liquid, can improve holistic filter effect, and filter disc and filter screen all conveniently install and dismantle, the convenience is cleaned it, do not influence next use.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the filter device of the present invention;

FIG. 4 is a side view of the filter tray structure of the present invention;

FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 2;

fig. 6 is a partial enlarged view of the invention at B in fig. 2.

In the figure: 1-column body, 2-sealing cover, 3-vertical tube, 4-top cover, 5-feeding tube, 6-bottom cover, 7-discharging tube, 8-fastening cover, 9-filtering device, 91-horizontal plate, 92-filtering disc, 93-fixing plate, 94-filtering hole, 95-vertical plate, 96-movable rod, 97-movable block, 98-connecting plate, 99-sliding rod, 910-first spring, 911-vertical rod, 912-arc block, 913-stop block, 914-second spring, 10-protective cover, 11-sealing ring, 12-conduit, 13-groove, 14-limiting rod, 15-filtering screen and 16-connecting tube.

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.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a prevent high pressure liquid chromatography column sieve of jam, including cylinder 1, the below of cylinder 1 is coniform, the top threaded connection on 1 surface of cylinder has sealed lid 2, and the top fixedly connected with standpipe 3 of sealed lid 2, 3 inside openings of standpipe are from last to being the trend of reducing down, the top threaded connection on 3 surfaces of standpipe has top cap 4, and 4 middle part fixedly connected with inlet pipes 5 of top cap, the inside bottom opening diameter of inlet pipe 5 is less than the bellied diameter in top of filter disc 92, the bottom threaded connection on 1 surface of cylinder has bottom 6, and the bottom fixedly connected with discharging pipe 7 of bottom 6, the bottom threaded connection on 7 surfaces of discharging pipe has fastening lid 8, the inside fixedly connected with filter equipment 9 of standpipe 3.

In the invention, the top of the surface of the feeding pipe 5 is in threaded connection with a protective cover 10, the top of the inner wall of the sealing cover 2 is fixedly connected with a sealing ring 11, and the sealing ring 11 has a certain sealing effect.

In the invention, the bottom end of the vertical pipe 3 is communicated with a guide pipe 12, and the bottom end of the guide pipe 12 penetrates through the sealing cover 2 and the sealing ring 11 and extends to the bottom of the sealing ring 11.

In the invention, the filtering device 9 comprises a transverse plate 91 and a filtering disc 92, the interior of the filtering disc 92 is in a downward stepped shape, two sides of the transverse plate 91 are fixedly connected with the inner wall of the vertical pipe 3, the bottom of the filtering disc 92 is fixedly connected with a fixing plate 93, and the bottom of the filtering disc 92 is provided with filtering holes 94.

In the invention, the two sides of the top of the transverse plate 91 are movably connected with vertical plates 95, the inner part of the fixed plate 93 is fixedly connected with movable rods 96, and the two ends of each movable rod 96 penetrate through the vertical plates 95 and extend to the outer parts of the vertical plates 95.

In the invention, the bottom of the vertical plate 95 is fixedly connected with a movable block 97, two sides of the bottom of the transverse plate 91 are fixedly connected with connecting plates 98, a sliding rod 99 is fixedly connected between the opposite sides of the two connecting plates 98, the inside of the movable block 97 is in sliding connection with the surface of the sliding rod 99, and a first spring 910 is fixedly connected between the surface of the sliding rod 99 and the side of the connecting plate 98 opposite to the movable block 97.

In the invention, vertical rods 911 are movably connected to two sides of the inner part of the transverse plate 91, arc-shaped blocks 912 are fixedly connected to the top ends of the vertical rods 911, stop blocks 913 are fixedly connected to the bottom ends of the vertical rods 911, and second springs 914 are fixedly connected to the surfaces of the vertical rods 911 and located between the arc-shaped blocks 912 and the side, opposite to the transverse plate 91, of the vertical rods.

In the invention, the bottom of the inner wall of the bottom cover 6 is provided with a groove 13, two sides of the bottom of the inner wall of the groove 13 are fixedly connected with limiting rods 14, a filter screen 15 is arranged between the surfaces of the two limiting rods 14, the diameter of an opening below the column body 1 is smaller than that of the filter screen 15, the top of the bottom cover 6 is communicated with a connecting pipe 16, and the bottom end of the connecting pipe 16 penetrates through the discharge pipe 7 and extends to the interior of the discharge pipe 7.

And those not described in detail in this specification are well within the skill of those in the art.

When the filter disc is used, the movable block 97 is pushed towards the two sides which are deviated from each other, the movable block 97 slides on the surface of the sliding rod 99, then the filter disc 92 is placed into the vertical tube 3 from the top, the fixed plate 93 at the bottom of the filter disc 92 is positioned between the two vertical plates 95, then the movable block 97 is loosened, under the elastic force of the first spring 910, the movable block 97 drives the vertical plates 95 to move relatively, the movable rod 96 is inserted between the vertical plates 95, the limit on the filter disc 92 is completed, then the sealing cover 2 is rotated to the upper cylinder 1, then the top cover 4 is rotated to the top of the vertical tube 3, the filter screen 15 is sleeved on the limiting rod 14 inside the bottom cover 6, then the bottom cover 6 is rotated to the upper cylinder 1, liquid is poured into the vertical tube 3 from the top of the feeding tube 5, the liquid impacts the top of the filter disc 92, and the filter disc 92 swings at two sides, liquid will be discharged from filtering hole 94 after filtering, filter plate 92 is in the wobbling, the bottom can contact with the top of arc piece 912, extrude arc piece 912, second spring 914 plays the effect of an elasticity, can give filter plate 92 certain elasticity, then liquid gets into the inside of bottom 6 through cylinder 1, filter once more through the inside filter screen 15 of bottom 6, will discharge from discharging pipe 7 after filtering, when not using, just with rotatory feeding pipe 7 of visor 10, with fastening lid 8 rotatory feeding pipe 7.

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.

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.