Collecting trap for chromatographic analysis

Abstract

The utility model relates to the technical field of chromatographic analysis, and discloses a trapping trap for chromatographic analysis, an adjusting device consists of a bidirectional threaded rod, a first threaded sleeve, a first clamping ring, a unidirectional threaded rod, a second threaded sleeve and a second clamping ring, the first threaded sleeve is installed on the surface of the two-way threaded rod in a threaded mode, the first clamping ring is fixedly installed on the top of the first threaded sleeve, the one-way threaded rod is rotatably installed in the lifting strip, the second threaded sleeve is installed on the surface of the one-way threaded rod in a threaded mode, and the second clamping ring is fixedly installed on the top of the second threaded sleeve. According to the trapping trap for chromatographic analysis, through cooperative use of a first handle and a second handle, trapping trap bodies of different specifications can be fixed, an insertion rod is inserted into a fixing base, a plurality of trapping traps can be fixedly stacked together, the trapping traps which are fixedly stacked together can be integrally carried, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chromatographic analysis, specifically is a chromatographic analysis is with the capture trap. BACKGROUND

[0002] In the chromatographic analysis process, when the sample enters the capture trap, a certain specific component in the sample will be effectively retained due to specific physical or chemical properties, while the remaining components will not be retained due to the lack of corresponding retention conditions. Through this targeted retention and non-retention method, effective separation of different components in the sample can be achieved more accurately, thereby providing clearer and more accurate results for subsequent analysis and detection.

[0003] The patent with application number 202120623349.6 discloses a capture trap for chromatographic analysis, which comprises a U-shaped capture trap body, two ends of the capture trap body are clamped with clamping rings, one side of the capture trap body is provided with a connecting strip, two clamping rings are fixed at both ends of the connecting strip, a lifting strip perpendicular to the connecting strip is fixed at the middle position of one side surface of the connecting strip, one end of the lifting strip away from the connecting strip extends to the middle position of the U-shaped part of the capture trap body, two insertion barrels are installed on one side surface of the lifting strip, and two insertion rods concentrically arranged with the insertion barrels are fixed on the side of the lifting strip away from the insertion barrels.

[0004] The capture trap for chromatographic analysis can realize neat stacking of the U-shaped capture trap, reduce the probability of deformation and damage of the capture trap, but still has room for improvement, such as the device can only fix capture traps of the same size, has low practicability and cannot meet the current demand. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a capture trap for chromatographic analysis to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a capture trap for chromatographic analysis, comprising a capture trap body, a connecting strip is arranged at the bottom of the capture trap body, an adjusting device is arranged on the surface of the connecting strip, a lifting strip is arranged on the side surface of the connecting strip, an insertion rod is arranged at the bottom of the lifting strip, a fixing seat is arranged at the top of the lifting strip, and a connecting device is arranged in the fixing seat.

[0007] Said adjusting device is composed of a two-way threaded rod, a first threaded sleeve, a first clasp, a one-way threaded rod, a second threaded sleeve and a second clasp, the two-way threaded rod is rotatably arranged in the connecting strip, the first threaded sleeve is threadedly arranged on the surface of the two-way threaded rod, the first clasp is fixedly arranged on the top of the first threaded sleeve, the one-way threaded rod is rotatably arranged in the lifting strip, the second threaded sleeve is threadedly arranged on the surface of the one-way threaded rod, and the second clasp is fixedly arranged on the top of the second threaded sleeve.

[0008] Said connecting device is composed of a moving rod, a fixed ring, a spring, a fixed block and a connecting rod, the moving rod is slidably arranged in the fixed seat, the fixed ring is fixedly arranged on the surface of the moving rod, the spring is sleeved on the surface of the moving rod, the fixed block is fixedly arranged at one end of the moving rod, and the connecting rod is fixedly arranged at the other end of the moving rod.

[0009] Preferably, the inside of the connecting strip is provided with a first sliding groove matched with the first threaded sleeve, so that the first threaded sleeve can move in the inside of the connecting strip.

[0010] Preferably, the inside of the lifting strip is provided with a second sliding groove matched with the second threaded sleeve, so that the second threaded sleeve can move in the inside of the lifting strip.

[0011] Preferably, the side surface of the two-way threaded rod is fixedly provided with a first handle, and the two-way threaded rod can be rotated through the first handle.

[0012] Preferably, the side surface of the one-way threaded rod is fixedly provided with a second handle, and the one-way threaded rod can be rotated through the second handle.

[0013] Preferably, the first threaded sleeve and the first clasp are one for a group, and two groups are symmetrically arranged on the surface of the two-way threaded rod, so that the trapping trap body can be better fixed.

[0014] Preferably, the opposite sides of the inserting rod and the fixed block are provided with inclined surfaces, so that the fixed block can move on the surface of the inserting rod.

[0015] Preferably, the side surface of the inserting rod is provided with a limiting groove matched with the fixed block, and the inserting rod can be fixed through the fixed block.

[0016] Preferably, one end of the spring abuts against the fixed ring, and the other end of the spring abuts against the fixed seat, and the spring is arranged to reset the fixed block.

[0017] Preferably, the moving rod, the fixed ring, the spring and the fixed block are one for a group, and two groups are symmetrically arranged on the side surface of the connecting rod, so that the inserting rod can be better fixed.

[0018] Compared with the prior art, the chromatographic analysis trap has the beneficial effects that: the chromatographic analysis trap can fix the trap bodies of different specifications through the cooperation of the first handle and the second handle, the plurality of trap bodies can be fixed and stacked together by inserting the inserting rod into the inside of the fixing seat, the whole of the fixed and stacked trap bodies can be carried, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a two-way threaded rod, a first threaded sleeve and a first clasp structure schematic view of the utility model;

[0021] Figure 3 It is a connecting strip, a lifting strip and a connecting rod structure schematic view of the utility model;

[0022] Figure 4 It is a whole structure schematic view of the utility model inserting rod, fixing seat and connecting device;

[0023] Figure 5 It is a moving rod, a fixing ring and a spring structure schematic view of the utility model.

[0024] In the drawing: 1, trap body; 2, connecting strip; 3, adjusting device; 301, two-way threaded rod; 302, first threaded sleeve; 303, first clasp; 304, one-way threaded rod; 305, second threaded sleeve; 306, second clasp; 4, lifting strip; 5, inserting rod; 6, fixing seat; 7, connecting device; 701, moving rod; 702, fixing ring; 703, spring; 704, fixing block; 705, connecting rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a chromatographic analysis trap, including trap body 1, the bottom of trap body 1 is provided with connecting strip 2, the surface of connecting strip 2 is provided with adjusting device 3, the side of connecting strip 2 is provided with lifting strip 4, the bottom of lifting strip 4 is provided with inserting rod 5, the top of lifting strip 4 is provided with fixing seat 6, the inside of fixing seat 6 is provided with connecting device 7.

[0027] The adjusting device 3 is composed of a two-way threaded rod 301, a first threaded sleeve 302, a first clasp ring 303, a one-way threaded rod 304, a second threaded sleeve 305, and a second clasp ring 306. The two-way threaded rod 301 is rotatably installed in the inner part of the connecting strip 2. A first handle is fixedly installed on the side surface of the two-way threaded rod 301. The first handle can be used to rotate the two-way threaded rod 301. The first threaded sleeve 302 is threadedly installed on the surface of the two-way threaded rod 301. A first sliding groove that matches the first threaded sleeve 302 is formed in the inner part of the connecting strip 2. This arrangement can make the first threaded sleeve 302 move in the inner part of the connecting strip 2. The first clasp ring 303 is fixedly installed on the top of the first threaded sleeve 302. The first threaded sleeve 302 and the first clasp ring 303 are one group. There are two groups symmetrically arranged on the surface of the two-way threaded rod 301. This arrangement can better fix the trapping trap body 1. The one-way threaded rod 304 is rotatably installed in the inner part of the lifting strip 4. A second handle is fixedly installed on the side surface of the one-way threaded rod 304. The second handle can be used to rotate the one-way threaded rod 304. The second threaded sleeve 305 is threadedly installed on the surface of the one-way threaded rod 304. A second sliding groove that matches the second threaded sleeve 305 is formed in the inner part of the lifting strip 4. This arrangement can make the second threaded sleeve 305 move in the inner part of the lifting strip 4. The second clasp ring 306 is fixedly installed on the top of the second threaded sleeve 305.

[0028] The connecting device 7 is composed of a moving rod 701, a fixed ring 702, a spring 703, a fixed block 704, and a connecting rod 705. The moving rod 701 is slidingly installed in the inner part of the fixed seat 6. The fixed ring 702 is fixedly installed on the surface of the moving rod 701. The spring 703 is sleeved on the surface of the moving rod 701. One end of the spring 703 abuts against the fixed ring 702. One end of the spring 703 abuts against the fixed seat 6. The spring 703 is arranged to reset the fixed block 704. The fixed block 704 is fixedly installed on one end of the moving rod 701. The opposite sides of the insertion rod 5 and the fixed block 704 are both arranged as inclined surfaces. This arrangement can make the fixed block 704 move on the surface of the insertion rod 5. A limiting groove that matches the fixed block 704 is formed in the side surface of the insertion rod 5. The fixed block 704 can be used to fix the insertion rod 5. The connecting rod 705 is fixedly installed on the other end of the moving rod 701. The moving rod 701, the fixed ring 702, the spring 703, and the fixed block 704 are one group. There are two groups symmetrically arranged on the side surface of the connecting rod 705. This arrangement can better fix the insertion rod 5.

[0029] In use, by the first handle to the bidirectional threaded rod 301 rotation, can make the first threaded sleeve 302 drive first snap ring 303 move, by the second handle to the unidirectional threaded rod 304 rotation, can make the second threaded sleeve 305 drive second snap ring 306 move, by the first handle and the second handle cooperation use, can fix the different specifications of the trapping trap body 1, insert the rod 5 into the inside of the fixed base 6, can make the fixed block 704 move, under the action of the spring 703, the fixed block 704 enters into the limiting groove, can fix the rod 5, can stack together the multiple trapping traps.

[0030] It should be noted that in this document, relationship terms such as first and second are used only to differentiate one entity or action from another, and do not necessarily require or imply these entities or actions have any such actual relationship or order.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application.

Claims

1. A trapping trap for chromatographic analysis comprising a trapping trap body (1), characterized in that: The bottom of the trapping trap body (1) is provided with a connecting strip (2), the surface of the connecting strip (2) is provided with an adjusting device (3), the side of the connecting strip (2) is provided with a lifting strip (4), the bottom of the lifting strip (4) is provided with a plug rod (5), the top of the lifting strip (4) is provided with a fixing seat (6), the inside of the fixing seat (6) is provided with a connecting device (7). The adjusting device (3) is composed of a bidirectional threaded rod (301), a first threaded sleeve (302), a first clamping ring (303), a one-way threaded rod (304), a second threaded sleeve (305), and a second clamping ring (306). The bidirectional threaded rod (301) is rotatably installed in the connecting strip (2). The first threaded sleeve (302) is threadedly installed on the surface of the bidirectional threaded rod (301). The first clamping ring (303) is fixedly installed on the top of the first threaded sleeve (302). The one-way threaded rod (304) is rotatably installed in the lifting strip (4). The second threaded sleeve (305) is threadedly installed on the surface of the one-way threaded rod (304). The second clamping ring (306) is fixedly installed on the top of the second threaded sleeve (305). The connecting device (7) is composed of a moving rod (701), a fixed ring (702), a spring (703), a fixed block (704), and a connecting rod (705). The moving rod (701) is slidably installed in the fixing seat (6). The fixed ring (702) is fixedly installed on the surface of the moving rod (701). The spring (703) is sleeved on the surface of the moving rod (701). The fixed block (704) is fixedly installed on one end of the moving rod (701). The connecting rod (705) is fixedly installed on the other end of the moving rod (701).

2. A trap for chromatographic analysis according to claim 1, characterized in that: A first sliding groove matched with the first threaded sleeve (302) is formed in the inside of the connecting strip (2).

3. A trap for chromatographic analysis according to claim 1, characterized in that: A second sliding groove matched with the second threaded sleeve (305) is formed in the inside of the lifting strip (4).

4. A trap for chromatographic analysis according to claim 1, characterized in that: A first handle is fixedly installed on the side of the bidirectional threaded rod (301).

5. A trap for chromatographic analysis according to claim 1, characterized in that: A second handle is fixedly installed on the side of the one-way threaded rod (304).

6. A trap for chromatographic analysis according to claim 1, characterized in that: The first threaded sleeve (302) and the first clamping ring (303) are one for a group, and there are two groups symmetrically arranged on the surface of the bidirectional threaded rod (301).

7. A trap for chromatographic analysis according to claim 1, characterized in that: The opposite sides of the plug rod (5) and the fixed block (704) are both inclined surfaces.

8. A trap for chromatographic analysis according to claim 1, characterized in that: A limiting groove matched with the fixed block (704) is formed in the side of the plug rod (5).

9. A trap for chromatographic analysis according to claim 1, characterized in that: One end of the spring (703) abuts against the fixed ring (702), and the other end of the spring (703) abuts against the fixing seat (6).

10. A trap for chromatographic analysis according to claim 1, characterized in that: The moving rod (701), the fixed ring (702), the spring (703), and the fixed block (704) are one for a group, and there are two groups symmetrically arranged on the side of the connecting rod (705).

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