CN219122128U

CN219122128U - Chromatographic cylinder with adjustable depth

Info

Publication number: CN219122128U
Application number: CN202223450147.XU
Authority: CN
Inventors: 张磊; 杨卫兵; 贾利强
Original assignee: Taiyuan Atomic High Tech Pharmaceutical Co ltd
Current assignee: Taiyuan Atomic High Tech Pharmaceutical Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-02
Anticipated expiration: 2032-12-19

Abstract

The application relates to a chromatographic cylinder with adjustable degree of depth relates to the field of chemistry experiment apparatus, and it includes cylinder body and cylinder cap, is provided with fixed subassembly and adjusting part on the cylinder cap. The center of the cylinder cover is provided with a guide post, and the center of the guide post is provided with a yielding hole; the fixing component comprises a fixing rod and a fixing piece, and the fixing piece is used for fixing the top end of the chromatographic paper; the internal diameter of hole of stepping down is greater than the diameter of dead lever, and adjusting part is used for fixing the dead lever. When the experiment is carried out, the chromatographic paper is fixed through the fixing piece, the fixing rod is axially adjusted along the yielding hole, and when the fixing rod is adjusted to the required height, the fixing rod is fixed by the adjusting component, so that the depth of the chromatographic paper immersed in the developing agent can be adjusted according to the actual experiment requirement, and the applicability of the chromatographic cylinder is greatly improved.

Description

Chromatographic cylinder with adjustable depth

Technical Field

The application relates to the field of chemical experiment tools, in particular to a depth-adjustable chromatographic cylinder.

Background

The chromatography is also called chromatography, is a separation and analysis method, is widely applied in the fields of environmental protection, poison identification, medicine, biological inspection, industrial product quality inspection and the like, and can be classified into paper chromatography, thin layer chromatography and the like according to the geometric form of a stationary phase, wherein the paper chromatography is characterized in that chromatographic paper is used as a carrier of a fixing liquid, a sample is spotted on the chromatographic paper, then the sample is unfolded by a developing agent, each component is displayed in different positions of the chromatographic paper in a spot form, and qualitative and quantitative analysis is carried out according to the spot position and size on the chromatographic paper; thin layer chromatography operates in a similar manner to paper chromatography for separation purposes. Chromatography cylinders were used in the laboratory as experimental containers for paper chromatography and thin layer chromatography.

In the related art, the bottom of the cylinder body of the chromatographic cylinder is filled with an experimental developing agent, when a paper chromatographic experiment is carried out, chromatographic paper is used, the fixed end of the chromatographic paper is suspended in the chromatographic cylinder, and the other end of the chromatographic paper is immersed into the developing agent for a certain depth; when the thin layer chromatography experiment is carried out, a thin layer plate is used, the lower end of the thin layer plate is immersed in the developing agent, and the top end of the thin layer plate leans against the inner wall of the chromatography cylinder and obliquely stands in the chromatography cylinder. The upper portion of chromatography jar is provided with fixing device, and fixing device includes the apron and sets up in the clamping component of apron below, in the experiment, fixes the top of chromatography paper through the clamping component, and then locates the top of chromatography jar with the apron lid, makes the chromatography paper hang in the chromatography jar, and the apron can seal the chromatography jar to reducible chromatography jar interior developer evaporation's condition.

With respect to the above related art, the inventor considers that the fixing device provided at the upper part of the existing chromatography cylinder can only fix the chromatography paper, but can not adjust the depth of the chromatography paper immersed in the developing agent according to the specific condition of the experiment, so that the applicability is low.

Disclosure of Invention

In order to enable the depth of the chromatographic paper immersed in the developing agent to be adjustable and improve the applicability of the chromatographic cylinder, the application provides the chromatographic cylinder with adjustable depth.

The application provides a chromatographic cylinder with adjustable degree of depth adopts following technical scheme:

the depth-adjustable chromatographic cylinder comprises a cylinder body and a cylinder cover, wherein a fixing assembly and an adjusting assembly are arranged on the cylinder cover;

the center of the cylinder cover is provided with a guide post, the center of the guide post is provided with a yielding hole, and the yielding hole is a through hole formed from the top end of the guide post to the bottom end of the cylinder cover; the fixing component comprises a fixing rod penetrating through the abdication hole and a fixing piece arranged at the bottom end of the fixing rod, and the fixing piece is used for fixing the top end of the chromatographic paper; the inner diameter of the yielding hole is larger than the diameter of the fixing rod, and the adjusting assembly is used for fixing the fixing rod after the fixing rod moves axially along the yielding hole.

Through adopting above-mentioned technical scheme, fix chromatography paper through the mounting when carrying out the experiment, locate the cylinder body with the cylinder cap lid on, carry out axial adjustment with the dead lever along the hole of stepping down in the guide post, when adjusting to the demand height, use adjusting part to fix the dead lever to the degree of depth that chromatography paper submerges in the developer can be adjusted according to actual experimental demand, greatly increased the suitability of chromatography jar.

Optionally, the lateral wall of guide post is seted up the regulation hole, the regulation hole with the hole intercommunication of stepping down, adjusting part including set up in support tight piece on the regulation hole inside wall, support the tip of tight piece with the lateral wall butt of dead lever.

Through adopting above-mentioned technical scheme, when the dead lever was adjusted to the demand height, thereby fastening supports tight piece and makes its tip and the lateral wall looks butt of dead lever fix the dead lever, and is simple convenient.

Optionally, the adjusting part including set up in the regulating plate on guide post top, set up in double-sided rack on the regulating plate, rotate set up in gear on the regulating plate with set up in clamping lever on the gear, double-sided rack set up in one side of dead lever, just double-sided rack follows a diameter direction of regulating plate slide set up in on the regulating plate, the gear is in all have the setting in the strip both sides of double-sided tooth, and two gears are in the bilateral symmetry setting of double-sided rack and respectively with the both sides meshing of double-sided rack.

Through adopting above-mentioned technical scheme, when fixing the dead lever, the motion through two-sided rack drives the gear of two-sided rack both sides and rotates simultaneously, and the clamping lever that sets up on the gear is carried out the centre gripping with the dead lever towards relative direction motion, and two clamping levers simultaneous movement carry out the centre gripping to the dead lever, reducible dead lever produces crooked condition because of the atress is inhomogeneous to reducible mounting produces crooked phenomenon when fixed to chromatography paper, guarantees the accuracy of experimental result.

Optionally, the bottom of two-sided rack is provided with the slider, set up on the regulating plate and supply the gliding spout of slider.

Through adopting above-mentioned technical scheme, the double-sided rack slides on the regulating disk through the slider, reduces the condition that produces wearing and tearing between double-sided rack and the regulating disk to the life of extension double-sided rack.

Optionally, an elastic element for resetting the sliding block is arranged in the sliding groove.

By adopting the technical scheme, when the height of the fixed rod is adjusted, the clamping rod is loosened, the double-sided rack slides towards the direction of the fixed rod, and the sliding block compresses the elastic piece; after the adjustment is completed, the action force is stopped to be applied to the double-sided rack, the elastic piece is restored to elastic deformation, the sliding block drives the double-sided rack to move under the action of the elastic piece, the clamping rod clamps the fixing rod, the elastic piece is arranged to enable the fixing rod to clamp the fixing rod automatically after the adjustment is completed, and the adjustment is convenient.

Optionally, a sealing piece is arranged on the inner side wall of the abdication hole, the sealing piece comprises a plurality of shielding parts, and a gap is reserved between the shielding parts.

Through adopting above-mentioned technical scheme, when the dead lever stretches into the cylinder body inside through the hole of stepping down, the multi-disc portion of sheltering from takes place to deform and wraps the dead lever to can not leave the gap between dead lever and the cylinder cap, the setting of dead lever can not influence the sealing performance of cylinder cap.

Optionally, the fixing piece is detachably connected with the fixing rod through a connecting rod.

Through adopting above-mentioned technical scheme, can change the kind of mounting according to the experiment demand, strengthened the suitability of chromatographic cylinder.

Optionally, the fixing assembly further comprises a mounting ring coaxially arranged on the outer peripheral side of the connecting rod, and a plurality of fixing pieces are uniformly arranged on the peripheral side of the mounting ring.

Through adopting above-mentioned technical scheme, a plurality of mounting can fix a plurality of chromatography papers simultaneously, can improve the efficiency of experiment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fixing rod is axially adjusted along the yielding hole in the guide post, and when the fixing rod is adjusted to the required height, the adjusting component is used for fixing the fixing rod, so that the depth of the chromatographic paper immersed in the developing agent can be adjusted according to the actual experimental requirement, and the applicability of the chromatographic cylinder is greatly improved;

2. the sealing effect of the cylinder cover on the cylinder body can be ensured by the arrangement of the sealing piece, and the evaporation of the developing agent in the cylinder body is reduced;

3. the mounting passes through the connecting rod and can dismantle with the dead lever and be connected, can change the kind of mounting according to the experiment demand, has further strengthened the suitability of chromatography jar.

Drawings

FIG. 1 is a schematic view of a depth-adjustable chromatography cylinder according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a fixing assembly according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2A according to an embodiment of the present application;

FIG. 4 is a schematic view of an exploded view of a fixing assembly and a regulating assembly according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a two-depth-adjustable chromatography cylinder according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a second adjusting component according to the embodiment of the present application.

Reference numerals illustrate:

1. a cylinder; 2. a cylinder cover; 21. a guide post; 22. a relief hole; 23. a sealing sheet; 231. a shielding part; 24. an adjustment aperture; 3. a fixing assembly; 31. a fixed rod; 32. a fixing member; 33. a connecting rod; 34. a mounting ring; 35. a sleeve; 4. an adjustment assembly; 41. a tightening member; 42. an adjusting plate; 421. a chute; 43. double-sided racks; 431. a slide block; 44. a gear; 45. a clamping rod; 46. an elastic member.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

Embodiment one:

referring to fig. 1, the embodiment of the application discloses chromatography jar with adjustable degree of depth, including cylinder body 1 and the cylinder cap 2 of setting on cylinder body 1, be provided with fixed subassembly 3 and adjusting part 4 on the cylinder cap 2, fixed subassembly 3 is used for fixing the top of chromatography paper, and adjusting part 4 is used for adjusting the height of fixed subassembly 3 in cylinder body 1 according to specific experimental conditions to can be to the depth that chromatography paper submergence in the developer is adjusted.

In this embodiment, the cylinder body 1 is a container with a circular cross section, the cylinder cover 2 is of a circular plate-shaped structure, the diameter of the cylinder cover 2 is larger than the outer diameter of the cylinder body 1, the center of the cylinder cover 2 is integrally formed with a guide post 21, the guide post 21 is of a cylindrical structure, and the guide post is vertically arranged on the upper surface of the cylinder cover 2. The center of the guide post 21 is provided with a yielding hole 22, and the yielding hole 22 is a through hole formed from the top end of the guide post 21 to the bottom end of the cylinder cover 2.

Referring to fig. 2, the fixing assembly 3 includes a fixing rod 31 penetrating through the relief hole 22 and a fixing member 32 disposed at the bottom end of the fixing rod 31, wherein the length of the fixing rod 31 is greater than half of the height of the cylinder 1, the inner diameter of the relief hole 22 is greater than the diameter of the fixing rod 31, and the fixing rod 31 can axially move along the guide post 21 in the relief hole 22. In this embodiment, the fixing member 32 may be a connection hook or a clip, and the type of the fixing member 32 is selected according to the specific conditions of the experiment, when the chromatographic paper is provided with holes, the fixing member 32 may be a connection hook, and when the chromatographic paper is not provided with holes, the fixing member 32 may be a clip.

Referring to fig. 2 and 3, a sealing piece 23 is provided on the cylinder head 2 on the inner side wall of the relief hole 22, and the sealing piece 23 seals the relief hole 22, so as to reduce evaporation of the developer contained in the cylinder 1. The sealing piece 23 is composed of a plurality of shielding parts 231, gaps are reserved among the shielding parts 231, and the shielding parts 231 are made of elastic materials made of rubber. When the fixing rod 31 stretches into the cylinder body 1 through the abdication hole 22, the plurality of shielding parts 231 deform to cover the fixing rod 31, so that a gap is not reserved between the fixing rod 31 and the cylinder cover 2, and the sealing performance of the cylinder cover 2 is not affected by the arrangement of the fixing rod 31.

When the experiment is carried out, the top end of the chromatographic paper is fixed by using the fixing piece 32, the cylinder cover 2 is covered on the cylinder body 1, the depth of the chromatographic paper immersed in the developing agent is adjusted according to the experiment requirement, the acting force is applied to the fixing rod 31 in the adjusting process, and the fixing rod 31 axially moves along the yielding hole 22, so that the height of the fixing piece 32 in the cylinder body 1 can be adjusted, that is, the immersing depth of the chromatographic paper in the developing agent can be adjusted.

Referring to fig. 1 and 4, the fixing lever 31 is fixed using the adjusting assembly 4 after the adjustment is completed such that the fixing lever 31 is maintained at a preset height. The lateral wall of the guide post 21 is provided with an adjusting hole 24, the adjusting hole 24 is communicated with the yielding hole 22, the adjusting component 4 comprises a propping piece 41 arranged on the inner lateral wall of the adjusting hole 24, in the embodiment, the propping piece 41 is an adjusting bolt, the adjusting bolt is in threaded connection on the inner lateral wall of the adjusting hole 24, and the end part of the adjusting bolt is in propping connection with the lateral wall of the fixing rod 31, so that the fixing rod 31 is fixed.

When the fixed rod 31 is fixed, the adjusting bolt is screwed, so that the adjusting bolt stretches into the guide post 21 to tightly prop the side wall of the fixed rod 31; when the fixed rod 31 needs to be adjusted again, the adjusting bolt is screwed in the opposite direction, so that the adjusting bolt extends out of the guide post 21, the side wall of the fixed rod 31 is free of acting force by the adjusting bolt, the fixed rod 31 can axially move, and the fixed rod 31 is fixed by the adjusting bolt, so that the fixed rod is simple and convenient.

The fixed subassembly 3 still includes connecting rod 33, and mounting 32 can dismantle with dead lever 31 through connecting rod 33 and be connected, and the top integrated into one piece of connecting rod 33 is provided with the lug, and the bottom of dead lever 31 is seted up flutedly, and lug threaded connection is in the recess, can install and dismantle connecting rod 33 and dead lever 31 simply swiftly through threaded connection's mode to can change the kind of mounting 32 according to the experiment demand, strengthened the suitability of chromatographic cylinder.

The fixing assembly 3 further includes a mounting ring 34 coaxially provided at an outer circumferential side of the connection rod 33, and a plurality of fixing pieces 32 are uniformly provided on the circumferential side of the mounting ring 34. The center of the mounting ring 34 is coaxially provided with a sleeve 35, threads are arranged on the inner side wall of the sleeve 35, threads are arranged on the outer side wall of the connecting rod 33, and the sleeve 35 is in threaded connection with the outer peripheral side wall of the connecting rod 33. The sleeve 35 is connected to the mounting ring 34 by links, and the links are uniformly provided between the mounting ring 34 and the outer peripheral side of the sleeve 35. In this embodiment, a plurality of diagonal rods are further uniformly disposed between the mounting ring 34 and the outer peripheral side of the sleeve 35, one end of each diagonal rod is connected with the mounting ring 34, and the other end of each diagonal rod is connected with the top end of the sleeve 35, so that a triangular structure is formed among the sleeve 35, the connecting rod and the diagonal rods, the structural strength between the mounting ring 34 and the sleeve 35 is increased, and deformation is not easy to occur under the action of external force.

In the experiment, if a plurality of chromatographic papers are used at the same time, the sleeve 35 can be screwed on the outer peripheral side of the connecting rod 33, and then the chromatographic papers are fixed by using a plurality of fixing pieces 32 arranged on the mounting ring 34. And the installation of the inclined rods can keep the installation ring 34 horizontal, so that the depth of each chromatographic paper immersed in the developing agent is ensured, and the accuracy of experiments is further ensured.

The implementation principle of the embodiment is as follows: during experiments, the chromatographic paper is fixed on the fixing piece 32, the cylinder cover 2 is covered on the cylinder body 1, the fixing rod 31 can be axially adjusted along the guide post 21 by the loosening abutting piece 41, when the required height is adjusted, the fixing rod 31 is fixed by abutting the end part of the fixing rod 31 with the outer side wall of the fixing rod 31 by fastening the abutting piece 41, so that the depth of the chromatographic paper immersed in the developing agent can be adjusted in a simple and convenient mode, a plurality of fixing pieces 32 arranged on the mounting ring 34 can be used for fixing a plurality of chromatographic papers at the same time, the experimental efficiency can be improved, and the applicability of the chromatographic cylinder is greatly improved.

Embodiment two:

referring to fig. 5 and 6, the difference between the present embodiment and the first embodiment is that the adjusting assembly 4 includes an adjusting plate 42 disposed at the top end of the guide post 21, a double-sided rack 43 disposed on the adjusting plate 42, two gears 44 engaged on both sides of the double-sided rack 43, and a clamping bar 45 disposed on teeth of the gears 44, and the two clamping bars 45 relatively move to clamp and fix the fixing bar 31.

The adjusting plate 42 is integrally formed at the top end of the guide post 21, and the relief hole 22 is a through hole formed from the top end of the adjusting plate 42 to the bottom end of the cylinder cover 2. The double-sided rack 43 is disposed on one side of the fixed rod 31, and the direction in which the double-sided rack 43 is disposed is along one diameter direction of the adjustment plate 42, and the double-sided rack 43 is slidably disposed on the adjustment plate 42 along one diameter direction of the adjustment plate 42. The two gears 44 are symmetrically arranged on both sides of the double-sided rack 43, and the shafts of the gears 44 of the two gears 44 are both rotatably connected to the adjusting disk 42. The clamping bars 45 are integrally formed on teeth of the gears 44, and the two clamping bars 45 on the two gears 44 are symmetrically arranged along the double-sided gears 44.

The bottom integrated into one piece of double-sided gear 44 is provided with slider 431, offers the gliding spout 421 of confession slider 431 on the regulating disk 42, and slider 431 clearance fit installs in spout 421, is provided with the elastic component 46 that is used for making slider 431 reset in the spout 421, and in this embodiment, elastic component 46 is the spring, and the one end of spring is fixed to be set up on the inside wall of spout 421, and the other end of spring is fixed to be set up on the tip of slider 431.

Clamping blocks are arranged on opposite sides of the two clamping rods 45, clamping grooves which are attached to the outer side walls of the fixing rods 31 are formed in the clamping blocks, and the clamping rods 45 are attached to the fixing rods 31 when clamping the fixing rods 31, so that the fixing rods 31 are clamped more stably.

The implementation principle of the embodiment is as follows: when the height of the fixing rod 31 is adjusted, the double-sided rack 43 slides towards the direction of the fixing rod 31, the sliding block 431 compresses the spring, the gears 44 on two sides of the double-sided rack 43 rotate towards opposite directions, the two clamping rods 45 rotate along with the corresponding gears 44 and move towards the directions away from each other to loosen the fixing rod 31, and the fixing rod 31 can be adjusted; after the adjustment is completed, the force applied to the double-sided rack 43 is stopped, the spring is restored to elastic deformation, and the sliding block 431 drives the double-sided rack 43 to move towards a direction away from the fixed rod 31 under the action of the spring, so that the gears 44 on two sides of the double-sided rack 43 reversely rotate to clamp the fixed rod 31. When carrying out the centre gripping to dead lever 31 through clamping lever 45, the effect of accessible spring is automatic carries out the centre gripping, adjusts conveniently, and the setting of two clamping levers 45 can be when centre gripping dead lever 31, makes dead lever 31 keep vertical to reducible mounting 32 produces crooked phenomenon when fixed to chromatography paper, guarantees the accuracy of experimental result.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a chromatographic cylinder with adjustable degree of depth, includes cylinder body (1) and cylinder cap (2), its characterized in that: the cylinder cover (2) is provided with a fixing component (3) and an adjusting component (4);

a guide column (21) is arranged in the center of the cylinder cover (2), a yielding hole (22) is formed in the center of the guide column (21), and the yielding hole (22) is a through hole formed from the top end of the guide column (21) to the bottom end of the cylinder cover (2); the fixing assembly (3) comprises a fixing rod (31) penetrating through the abdication hole (22) and a fixing piece (32) arranged at the bottom end of the fixing rod (31), and the fixing piece (32) is used for fixing the top end of the chromatographic paper; the inner diameter of the yielding hole (22) is larger than the diameter of the fixing rod (31), and the adjusting assembly (4) is used for fixing the fixing rod (31) after the fixing rod (31) moves axially along the yielding hole (22).

2. A depth-adjustable chromatography cylinder according to claim 1, wherein: an adjusting hole (24) is formed in the side wall of the guide column (21), the adjusting hole (24) is communicated with the yielding hole (22), the adjusting assembly (4) comprises a propping piece (41) arranged on the inner side wall of the adjusting hole (24), and the end portion of the propping piece (41) is propped against the side wall of the fixing rod (31).

3. A depth-adjustable chromatography cylinder according to claim 1, wherein: the utility model provides a double-sided rack (43) of adjusting assembly (4), including set up in regulating plate (42) on guide post (21) top, set up in double-sided rack (43) on regulating plate (42), rotate set up in gear (44) on regulating plate (42) with set up in clamp bar (45) on gear (44), double-sided rack (43) set up in one side of dead lever (31), just double-sided rack (43) follow a diameter direction of regulating plate (42) slide set up in on regulating plate (42), gear (44) are in both sides of double-sided rack (43) all have the setting, and two gears (44) are in the bilateral symmetry setting of double-sided rack (43) and respectively with the both sides meshing of double-sided rack (43).

4. A depth-adjustable chromatography cylinder according to claim 3, wherein: the bottom of the double-sided rack (43) is provided with a sliding block (431), and the adjusting disc (42) is provided with a sliding groove (421) for the sliding block (431) to slide.

5. A depth-adjustable chromatography cylinder according to claim 4, wherein: an elastic piece (46) for resetting the sliding block (431) is arranged in the sliding groove (421).

6. A depth-adjustable chromatography cylinder according to claim 1, wherein: the inner side wall of the abdication hole (22) is provided with a sealing sheet (23), the sealing sheet (23) comprises a plurality of shielding parts (231), and gaps are reserved among the shielding parts (231).

7. A depth-adjustable chromatography cylinder according to claim 1, wherein: the fixing piece (32) is detachably connected with the fixing rod (31) through a connecting rod (33).

8. A depth-adjustable chromatography cylinder according to claim 7, wherein: the fixing assembly (3) further comprises a mounting ring (34) coaxially arranged on the outer circumferential side of the connecting rod (33), and a plurality of fixing pieces (32) are uniformly arranged on the circumferential side of the mounting ring (34).