CN211296974U - Chromatographic column constant temperature heating device - Google Patents
Chromatographic column constant temperature heating device Download PDFInfo
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- CN211296974U CN211296974U CN201922435949.5U CN201922435949U CN211296974U CN 211296974 U CN211296974 U CN 211296974U CN 201922435949 U CN201922435949 U CN 201922435949U CN 211296974 U CN211296974 U CN 211296974U
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- rotating disk
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Abstract
The utility model discloses a chromatographic column constant temperature heating device, relating to the technical field of chromatographic column heating, the device is used for solving the problem of uneven heating of the existing chromatographic column constant temperature heating device and comprises a pair of parallel supporting disks which are connected through two supporting rods, wherein one opposite side of the two supporting disks is coaxially provided with a mounting hole for mounting a chromatographic column and a rotating disk, the rotating disk is in a circular ring shape, the inner diameter of the rotating disk is larger than the outer diameter of the mounting hole, the rotating disk is rotatably connected with the supporting disks, wherein, the outer side of one supporting disk is provided with a driving mechanism, each rotating disk is coaxially provided with a pair of semicircular supporting rings which can slide along the radial direction of the rotating disk, the support rings on one rotating disc and the support rings on the other rotating disc are arranged in parallel in a one-to-one correspondence mode, the two support rings on each rotating disc are provided with locking mechanisms, and a plurality of heating columns are arranged between a pair of support rings which are parallel to each other on the two rotating discs; the utility model has the advantages of simple structure and realization of uniform heating of the chromatographic column.
Description
Technical Field
The utility model relates to a chromatographic column heating technical field, more specifically relate to a chromatographic column constant temperature heating device for heat the chromatographic column.
Background
In an efficient chromatographic analysis system, the requirement on the temperature control of a chromatographic column is higher and higher, the chromatographic column is heated mainly by a chromatographic column constant-temperature heating device at present, the device can accurately and stably control the service temperature of the chromatographic column, and is favorable for improving the column efficiency of the chromatographic column, improving the resolution of chromatographic peaks and ensuring the repeatability of analysis sample results.
The existing chromatographic column constant-temperature heating device mainly comprises two heating modes, namely direct heating and indirect heating, wherein the direct heating mode is contact heating, but the contact heating mode is required to clamp the chromatographic column in the using process, so that a certain temperature difference is generated between a clamping part of the chromatographic column and other parts, and the conditions of uneven heating and asynchronous heating of all parts of the chromatographic column occur; the heating of the embedded chromatographic column is mostly realized by the heat exchange between the heating medium and the chromatographic column, however, the method for indirectly heating the chromatographic column also has the defects of slow temperature rise, uneven heating temperature and larger heating power consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the inhomogeneous problem of heating that current chromatographic column constant temperature heating device exists, the utility model provides a chromatographic column constant temperature heating device is convenient for carry out the even heating to the chromatographic column.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a chromatographic column constant temperature heating device, includes the supporting disk of a pair of parallel, and two supporting disks are connected through the bracing piece that a pair of axial set up, and the equal coaxial mounting hole and the rolling disc of installing the chromatographic column that are equipped with in one side that two supporting disks are relative, the rolling disc is for ring form and the external diameter that the internal diameter is greater than the mounting hole, rolling disc and supporting disk rotate to be connected, and one of them supporting disk outside is equipped with the actuating mechanism of the rolling disc on this supporting disk of drive, and the coaxial supporting ring that can follow the rolling disc radial sliding that is equipped with a pair of semicircle form on every rolling disc, the supporting ring one-to-one parallel arrangement of supporting ring on one of them rolling disc and another rolling disc is equipped with the locking mechanism of two supporting rings of locking on two supporting rings on every rolling disc, all is equipped with.
Furthermore, the locking mechanism comprises permanent magnets arranged at two free ends of each support ring, and the polarities of the permanent magnets on the same side of the two support rings on the same rotating disc are opposite.
Further, the shape of the heating column is an arc column which is coaxially arranged with the rotating disc.
Further, the driving mechanism comprises a driving motor, and an output shaft of the driving motor penetrates through the supporting disc and is coaxially connected with the rotating disc.
Furthermore, each rotating disc is radially provided with two sliding grooves which are in one-to-one correspondence with the support rings, and the lower end of each support ring is provided with a sliding block which is matched with the corresponding sliding groove.
The utility model has the advantages as follows:
1. the utility model has simple structure, the two ends of the chromatographic column are arranged on the mounting holes of the two supporting disks, a pair of supporting rings on one rotating disk is pushed, the two supporting rings on one rotating disk are locked by the locking mechanism, so that the two supporting rings are combined into a circular ring, then the driving mechanism drives the rotating disk to rotate, the heating column surrounds the column tube of the chromatographic column to heat, the uniform heating of the chromatographic column can be realized, and the heating effect is good;
2. the locking mechanism of the utility model comprises a pair of permanent magnets, and a pair of support rings on the rotating disc are locked together through the mutual attraction of the permanent magnets;
3. the utility model discloses a be equipped with a pair of spout on every rolling disc, through matched with spout and slider, the support ring can be along the rolling disc radial slide at place.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of a support plate of the present invention;
reference numerals: 1-supporting disk, 2-supporting rod, 3-chromatographic column, 4-heating column, 5-driving motor, 6-rotating disk, 7-mounting hole, 8-permanent magnet, 9-supporting ring, 10-sliding block and 11-sliding groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 2, this embodiment provides a thermostatic heating device for a chromatographic column, which includes a pair of parallel supporting disks 1, the two supporting disks 1 are connected by a pair of axially disposed supporting rods 2, one side of the two supporting disks 1 opposite to each other is coaxially provided with a mounting hole 7 for mounting a chromatographic column 3 and a rotating disk 6, the rotating disk 6 is circular and has an inner diameter larger than the outer diameter of the mounting hole 7, the rotating disk 6 and the supporting disks 1 are rotatably connected by a bearing, a driving mechanism for driving the rotating disk 6 on one of the supporting disks 1 is disposed on the outer side of one of the supporting disks 1, a pair of semicircular supporting rings 9 capable of sliding along the radial direction of the rotating disk 6 is coaxially disposed on each rotating disk 6, the supporting rings 9 on one of the rotating disks 6 and the supporting rings 9 on the other rotating disk 6 are disposed in parallel one-to-one correspondence, and a locking mechanism for locking the, a plurality of heating columns 4 are arranged between a pair of support rings 9 which are parallel to each other on the two rotating discs 6.
The working principle is as follows: install 3 both ends of chromatographic column on the mounting hole 7 of two supporting disks 1, promote a pair of support ring 9 on the rolling disc 6, utilize locking mechanism to lock two support rings 9 on a rolling disc 6 for a ring is synthesized to two support rings 9, and later actuating mechanism drives rolling disc 6 and rotates, and heating column 4 heats around the column pipe of chromatographic column 3, can realize the even heating to chromatographic column 3, and it is effectual to heat.
Example 2
As shown in fig. 1 to 2, this embodiment is further improved on the basis of embodiment 1, and specifically, the locking mechanism includes permanent magnets 8 disposed at two free ends of each support ring 9, and the permanent magnets 8 located on the same side of the two support rings 9 on the same rotating disk 6 have opposite polarities, and the pair of support rings 9 on the rotating disk 6 are locked together by mutual attraction of the pair of permanent magnets 8.
Example 3
As shown in fig. 1 to 2, this embodiment is further improved on the basis of embodiment 2, and specifically, the shape of the heating column 4 is an arc-shaped column coaxially arranged with the rotating disc 6.
Example 4
As shown in fig. 1 to 2, the present embodiment is further improved on the basis of embodiment 1, specifically, the driving mechanism includes a driving motor 5, and an output shaft of the driving motor 5 penetrates through the supporting disc 1 and the rotating disc 6 to be coaxially connected.
Example 5
As shown in fig. 1 to 2, this embodiment is further improved on the basis of embodiment 1, specifically, two sliding grooves 11 corresponding to the support rings 9 one to one are radially arranged on each rotating disc 6, each sliding groove 11 is located at the central position of the corresponding support ring 9, a sliding block 10 matched with the corresponding sliding groove 11 is arranged at the lower end of each support ring 9, and the support rings 9 can slide radially along the rotating disc 6 on which the sliding grooves 11 and the sliding blocks 10 are matched.
Claims (5)
1. A chromatographic column constant temperature heating device comprises a pair of parallel supporting disks (1), wherein the two supporting disks (1) are connected through a pair of axially arranged supporting rods (2), and the device is characterized in that one opposite side of the two supporting disks (1) is coaxially provided with a mounting hole (7) for mounting a chromatographic column (3) and a rotating disk (6), the rotating disk (6) is in a circular ring shape, the inner diameter of the rotating disk is larger than the outer diameter of the mounting hole (7), the rotating disk (6) is rotatably connected with the supporting disks (1), a driving mechanism for driving the rotating disk (6) on the supporting disk (1) is arranged on the outer side of one of the supporting disks (1), a pair of semicircular supporting rings (9) capable of radially sliding along the rotating disk (6) is coaxially arranged on each rotating disk (6), the supporting rings (9) on one rotating disk (6) and the supporting rings (9) on the other rotating disk (6) are arranged in a one-to-one parallel, two support rings (9) on each rotating disc (6) are provided with locking mechanisms for locking the two support rings (9), and a plurality of heating columns (4) are arranged between a pair of support rings (9) which are parallel to each other on the two rotating discs (6).
2. A thermostatic heating device for chromatography columns according to claim 1 characterized in that said locking means comprise permanent magnets (8) placed at the two free ends of each support ring (9), the permanent magnets (8) on the same side of the two support rings (9) on the same rotating disk (6) being of opposite polarity.
3. A thermostatic heating device for chromatography columns according to claim 2, characterized in that the heating column (4) is shaped as an arc-shaped column arranged coaxially with the rotating disc (6).
4. A column thermostatic heating device according to claim 1, 2 or 3 wherein the drive mechanism comprises a drive motor (5), the output shaft of the drive motor (5) being coaxially connected through the support disk (1) and the rotatable disk (6).
5. A thermostatic heating device for chromatography columns according to claim 1, 2 or 3, characterized in that each rotary disk (6) is provided with two slide grooves (11) which correspond to the support rings (9) one by one in the radial direction, and the lower end of each support ring (9) is provided with a slide block (10) which is matched with the corresponding slide groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435949.5U CN211296974U (en) | 2019-12-30 | 2019-12-30 | Chromatographic column constant temperature heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435949.5U CN211296974U (en) | 2019-12-30 | 2019-12-30 | Chromatographic column constant temperature heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211296974U true CN211296974U (en) | 2020-08-18 |
Family
ID=72019424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922435949.5U Active CN211296974U (en) | 2019-12-30 | 2019-12-30 | Chromatographic column constant temperature heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211296974U (en) |
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2019
- 2019-12-30 CN CN201922435949.5U patent/CN211296974U/en active Active
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