Repeated recycling device for chromatographic instrument column nut
By designing a reusable device for chromatography column nuts, an electric push rod and a rotating motor are used to remove the blockage of the graphite pressure ring, solving the problem of the column nuts not being reusable and achieving cost reduction.
Patent Information
- Application Number
- CN202422903041.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-27
AI Technical Summary
In existing technologies, when a capillary column fails or breaks, the column nut cannot be used normally due to blockage by the graphite retaining ring, resulting in its direct disposal and increasing laboratory analysis costs.
A device for reusing chromatograph column nuts was designed. An electric push rod drives an iron wire to knock off the blocked graphite pressure ring, and a rotating motor and brushes are used to clean the inner wall, thus enabling the reuse of the column nut.
It effectively removes the graphite pressure ring blockage in the column nut, enabling the column nut to be reused and reducing laboratory analysis costs.
Smart Images
Figure CN223518077U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chromatograph column nut technical field, specifically for a kind of repeated recycling use device for chromatograph column nut. BACKGROUND
[0002] Gas chromatograph is the instrument using chromatographic separation technique and detection technique, qualitative and quantitative analysis of complex mixture of multiple components. Usually can be used to analyze the soil heat stable and boiling point not more than 500°C organic matter, such as volatile organic compounds, organochlorine, organophosphorus, polycyclic aromatic hydrocarbons, phthalate etc., wherein the chromatographic column is the core component of chromatograph, chromatographic column mainly has packed column and capillary column (open tube column) two types.
[0003] In prior art, when capillary chromatographic column fails or breaks accidentally, column nut will be blocked by graphite compression ring, so that column nut cannot be used normally, and equipment user usually discards the discarded column nut, and replaces unblocked new column nut.
[0004] However, due to lack of device for removing blocked graphite compression ring in column nut, it is difficult to recycle and use the blocked column nut, and the price of column nut is relatively high, so directly discarding the blocked column nut will increase laboratory analysis cost. Therefore, we propose a kind of repeated recycling use device for chromatograph column nut to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of repeated recycling use device for chromatograph column nut to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of repeated recycling use device for chromatograph column nut, comprising: cleaning table, the top of cleaning table is equipped with fixed frame, the top of fixed frame is equipped with electric push rod, the output end of electric push rod is connected with iron wire, the top of cleaning table near iron wire is equipped with fixed column;
[0007] One side of the cleaning table is fixedly connected with storage box, and one end of the cleaning table is provided with a collecting cavity, and the top of the collecting cavity near the fixed column is connected with a through hole in communication, and the inside of the collecting cavity is provided with a pull-out box;
[0008] The inside of the end of the pull-out box away from the cleaning table is provided with a protective cover, the inside of the protective cover is provided with a rotating motor, the rotating shaft of the rotating motor is fixedly connected with a rotating rod, and the top of the rotating rod penetrates the protective cover and is provided with bristles on the top outer wall.
[0009] Preferably, the fixed frame is inverted L-shaped and fixedly installed at the top edge of the cleaning table, and the electric push rod is fixedly installed at the top of the fixed frame.
[0010] Preferably, the bottom end of the fixed column is fixedly installed on the cleaning table, and a placing groove is formed in the top end of the fixed column, and the bottom end of the placing groove is connected in communication with the through hole.
[0011] Preferably, a column nut is installed in the placing groove, a rear end hole is formed in the top end of the column nut, and the bottom end of the placing groove is slidably inserted into the placing groove.
[0012] Preferably, the cleaning table is L-shaped, an installation groove is formed in the bottom of one end of the cleaning table close to the pull-out box, and one end of the pull-out box away from the installation groove is slidably inserted into the collecting cavity.
[0013] Preferably, the cross section of the installation groove is C-shaped, one end of the pull-out box close to the installation groove is slidably inserted into the installation groove, and a threaded hole is formed in the inner sidewall of the installation groove.
[0014] Preferably, a mounting bolt is installed on the surface of the pull-out box close to the threaded hole, one end of the mounting bolt is slidably penetrated through the pull-out box and inserted into the threaded hole, and the outer wall of the mounting bolt is in threaded connection with the inner wall of the threaded hole.
[0015] Preferably, the longitudinal section of the protective cover is inverted U-shaped, and the bottom end of the protective cover is fixedly installed on the inner bottom wall of the pull-out box.
[0016] Compared with the prior art, the present application has the following beneficial effects:
[0017] The placing groove formed in the top end of the fixed column is used for limiting and placing the column nut, the bottom end of the iron wire is penetrated through the rear end hole and inserted into the column nut, the graphite compression ring blocked in the column nut is knocked off when the electric push rod drives the iron wire to move up and down, the through hole in communication with the top end of the collecting cavity is used for collecting the knocked-off graphite compression ring, the rotating rod is driven to rotate by the rotating motor, the inner wall of the column nut is cleaned by the bristles, the graphite compression ring blocked in the column nut is removed, the column nut after cleaning is put into the storage box, the blocked column nut is recycled and used repeatedly, the problem that the laboratory analysis cost is increased due to the high price of the column nut and the direct discarding of the blocked column nut is solved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure perspective view of the present application;
[0019] Figure 2 It is a cleaning table structure perspective view of the present application;
[0020] Figure 3 It is a local structure perspective sectional view of the present application;
[0021] Figure 4 It is aFigure 3 Structure enlarged schematic view at middle A.
[0022] Fig. 1, cleaning table; 2, column nut; 3, rear end hole; 4, through hole; 5, fixed column; 6, placing groove; 7, pull-out box; 8, collection cavity; 9, storage box; 10, protective cover; 11, rotating motor; 12, rotating rod; 13, brush; 14, fixed frame; 15, electric push rod; 16, iron wire; 17, threaded hole; 18, mounting bolt; 19, mounting groove. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme of the utility model to carry on the clear, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries on the further detailed description. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for the limitation of the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model.
[0024] Please refer to Figures 1 to 4 The utility model provides a technical scheme: a kind of repeated recycling device for chromatograph column nut, it include: cleaning table 1, the top of cleaning table 1 is equipped with fixed frame 14, the top of fixed frame 14 is equipped with electric push rod 15, the output end of electric push rod 15 is connected with iron wire 16, the top of cleaning table 1 close to iron wire 16 is equipped with fixed column 5;Fixed frame 14 is inverted L type and is fixedly installed at the top edge of cleaning table 1, and electric push rod 15 is fixedly installed at the top of fixed frame 14.The bottom of fixed column 5 is fixedly installed on cleaning table 1, and the top of fixed column 5 is equipped with placing groove 6, and the bottom of placing groove 6 is connected with through hole 4.The cross section of placing groove 6 is same with column nut 2, to facilitate the location of column nut 2 placing.Precisely, the inside of placing groove 6 is equipped with column nut 2, and the top of column nut 2 is equipped with rear end hole 3, and the bottom of placing groove 6 is slidably inserted into placing groove 6.
[0025] The cleaning table 1 is fixedly connected with a storage box 9 on one side, and a collecting cavity 8 is formed in one end of the cleaning table 1, the collecting cavity 8 is communicated with a through hole 4 close to the top end of the fixing column 5, and a pull-out box 7 is installed in the collecting cavity 8; the cleaning table 1 is L-shaped, an installation groove 19 is formed in the bottom of one end of the cleaning table 1 close to the pull-out box 7, and one end of the pull-out box 7 away from the installation groove 19 is slidably inserted into the collecting cavity 8. The cross section of the installation groove 19 is C-shaped, one end of the pull-out box 7 close to the installation groove 19 is slidably inserted into the installation groove 19, and a threaded hole 17 is formed in the inner side wall of the installation groove 19. A mounting bolt 18 is mounted on the surface of the pull-out box 7 close to the threaded hole 17, one end of the mounting bolt 18 is slidably penetrated through the pull-out box 7 and inserted into the threaded hole 17, and the outer wall of the mounting bolt 18 is threadedly connected with the inner wall of the threaded hole 17, so that the pull-out box 7 is convenient to disassemble and assemble, and the collected graphite compression ring is convenient to clean.
[0026] A protective cover 10 is installed in the end of the pull-out box 7 away from the cleaning table 1, a rotating motor 11 is arranged in the protective cover 10, a rotating shaft of the rotating motor 11 is fixedly connected with a rotating rod 12, and a brush 13 is arranged on the top end of the rotating rod 12 and penetrates through the protective cover 10. The longitudinal section of the protective cover 10 is inverted U-shaped, and the bottom end of the protective cover 10 is fixedly installed on the inner bottom wall of the pull-out box 7, so that the rotating motor 11 is protected from the falling debris.
[0027] When the device works, the column nut 2 is positioned and placed through the placing groove 6 formed in the top end of the fixing column 5, the bottom end of the iron wire 16 is penetrated through the rear end hole 3 and inserted into the column nut 2, the graphite compression ring blocked in the column nut 2 is knocked off when the electric push rod 15 drives the iron wire 16 to move up and down, the knocked-off graphite compression ring is collected through the through hole 4 communicated with the top end of the collecting cavity 8 and the pull-out box 7 installed in the collecting cavity 8, the inner wall of the column nut 2 is cleaned through the brush 13 driven by the rotating rod 12 driven by the rotating motor 11, the graphite compression ring blocked in the column nut 2 is removed, the column nut 2 after cleaning is put into the storage box 9, the blocked column nut 2 is recycled and used repeatedly, and the problem that the laboratory analysis cost is increased due to the high price of the column nut 2 and the direct discarding of the blocked column nut 2 is solved.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A device for repeated re-use of chromatography column nuts, comprising: The utility model provides a cleaning platform (1), its characterized in be: the top of cleaning platform (1) is equipped with fixed frame (14), the top of fixed frame (14) is equipped with electric push rod (15), and the output of electric push rod (15) is connected with iron wire (16), and the top of cleaning platform (1) close to iron wire (16) is equipped with fixed column (5); One side of the cleaning platform (1) is fixedly connected with a storage box (9), one end of the cleaning platform (1) is provided with a collecting cavity (8), the collecting cavity (8) is in communication with a through hole (4) at the top of the fixed column (5), and the inside of the collecting cavity (8) is provided with a pull-out box (7); The inside of the end of the pull-out box (7) away from the cleaning platform (1) is provided with a protective cover (10), the inside of the protective cover (10) is provided with a rotating motor (11), the rotating shaft of the rotating motor (11) is fixedly connected with a rotating rod (12), and the top of the rotating rod (12) penetrates through the protective cover (10) and is provided with a brush (13) on the top outer wall.
2. A device for repeated re-use of chromatography column nuts according to claim 1, characterized in that: The fixed frame (14) is in inverted L shape and is fixedly installed at the top edge of the cleaning platform (1), and the electric push rod (15) is fixedly installed at the top of the fixed frame (14).
3. A device for repeated re-use of chromatography column nuts according to claim 1, characterized in that: The bottom of the fixed column (5) is fixedly installed on the cleaning platform (1), and the top of the fixed column (5) is provided with a placing groove (6), and the bottom of the placing groove (6) is in communication with the through hole (4).
4. A device for repeated re-use of chromatography column nuts according to claim 3, wherein: The inside of the placing groove (6) is provided with a column nut (2), the top of the column nut (2) is provided with a rear end hole (3), and the bottom of the placing groove (6) is slidably inserted into the placing groove (6).
5. A device for repeated re-use of chromatography column nuts according to claim 1, characterized in that: The cleaning platform (1) is in L shape, the bottom of one end of the cleaning platform (1) close to the pull-out box (7) is provided with a mounting groove (19), and the end of the pull-out box (7) away from the mounting groove (19) is slidably inserted into the collecting cavity (8).
6. A device for repeated re-use of chromatography column nuts according to claim 5, wherein: The cross section of the mounting groove (19) is in C shape, the bottom of the end of the pull-out box (7) close to the mounting groove (19) is slidably inserted into the mounting groove (19), and the inside of the mounting groove (19) is provided with a threaded hole (17) on the side wall.
7. A device for repeated re-use of chromatography column nuts according to claim 1, wherein: The surface of the pull-out box (7) close to the threaded hole (17) is provided with a mounting bolt (18), one end of the mounting bolt (18) is slidably penetrated through the pull-out box (7) and inserted into the threaded hole (17), and the outer wall of the mounting bolt (18) is in threaded connection with the inner wall of the threaded hole (17).
8. A device for repeated re-use of chromatography column nuts according to claim 1, characterized in that: The longitudinal section of the protective cover (10) is in inverted U shape, and the bottom of the protective cover (10) is fixedly installed on the inside bottom wall of the pull-out box (7).