Chromatographic column frame for environment detection and capable of placing multi-specification chromatographic columns

Abstract

The utility model relates to the technical field of chromatographic column frames, and discloses an environment detection chromatographic column frame capable of placing chromatographic columns of multiple specifications, which comprises a box body, a cover plate is arranged on the front side of the box body, supporting legs are fixedly connected to the bottom of the box body, a movable adjusting mechanism is arranged in the box body, and the movable adjusting mechanism is fixedly connected with the box body. In the using process, a motor works, a threaded rod is made to rotate, a limiting rod is matched, the position of a chromatographic column supporting frame is convenient to adjust, a worker can place a chromatographic column conveniently, the accidental conditions such as sliding off are avoided, a movable plate moves, a spring is matched, a clamping block moves, and the working efficiency is improved. The height of the chromatographic column supporting frame is convenient to adjust, so that the chromatographic columns with different heights can be placed and used, the applicability is improved, the positions of the clamping blocks are convenient to adjust through rotation of the worm and cooperation with the worm gear, the chromatographic columns with different diameters can be conveniently clamped and limited, and the placement stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chromatographic column racks, in particular to a chromatographic column rack for environmental detection which can hold chromatographic columns of multiple specifications. Background Art

[0002] The chromatographic column is composed of a column tube, a pressure cap, a ferrule (sealing ring), a sieve plate (filter), a joint, screws, etc. During the storage and transportation of the chromatographic column, it often needs to be used in conjunction with a chromatographic column rack.

[0003] According to the description in a chromatography column rack disclosed in the patent website (authorization announcement number: CN 218833635 U), "the utility model discloses a chromatography column rack, including a connecting structure movably installed as a pulling structure, a limiting structure for the static movement of the connecting structure is provided at the bottom of the connecting structure, the connecting structure includes a mounting frame in the shape of an open structure, the mounting frame is symmetrically provided with grooves, matching grooves for matching and connecting to the pulling structure parts are provided inside the grooves, limiting rods connected to the pulling structure parts are symmetrically provided inside the matching grooves, the limiting rods are symmetrically provided with a plurality of shock absorbers through the bottom of the mounting frame, and movable wheels for moving the mounting frame to different places are provided at the bottom of the shock absorbers, the connecting structure includes a mounting frame in the shape of an open structure, the mounting frame is provided with a connecting plate with a plurality of placement holes, and this chromatography column rack plays a force-absorbing and shock-absorbing effect during the movement of the entire mounting frame through the shock absorbers."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use of the utility model, the top plate is driven to move by the groove, and the limit groove and the limit rod are forced to separate during the force movement of the top plate, and the limit block and the matching groove are forced to separate through the mounting plate during the force movement of the top plate. In actual use, since the position between the mounting plates of the device is fixed, it cannot be well adapted to be used with chromatographic columns of different sizes. Therefore, it is necessary to improve a chromatographic column rack for environmental testing that can accommodate chromatographic columns of multiple specifications to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a chromatographic column rack for environmental testing which can hold chromatographic columns of various specifications, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: a chromatographic column rack for environmental testing capable of placing chromatographic columns of multiple specifications, comprising a box body, a cover plate disposed on the front of the box body, support legs fixedly connected to the bottom of the box body, a movable adjustment mechanism disposed inside the box body, and an auxiliary clamping mechanism disposed on the front of the movable adjustment mechanism;

[0008] The movable adjustment mechanism comprises a movable component and an adjustment component, and the adjustment component is arranged on the top of the movable component.

[0009] Preferably, the movable component includes a first connecting platform, the first connecting platform is fixedly connected to the inside of the box, the inside of the box is fixedly connected to a second connecting platform, the front of the first connecting platform is fixedly connected to a motor, the output end of the motor passes through the first connecting platform and extends to the inside where a threaded rod is fixedly connected, the inside of the second connecting platform is fixedly connected to a limiting rod, and the outside of the limiting rod is slidably connected to a movable frame, so as to facilitate the adjustment of the position of the chromatographic column support frame, thereby facilitating the staff to place the chromatographic column and avoiding accidents such as slipping.

[0010] Preferably, the movable frame is threadedly connected to the threaded rod, the movable frame is slidably connected to the first connecting platform, and the movable frame is slidably connected to the second connecting platform, so that the adjustment process is more stable.

[0011] Preferably, the adjustment component includes a limit frame, the limit frame is fixedly connected to the top of the movable frame, a slider is slidably connected inside the limit frame, a slide bar is fixedly connected to the front of the slide bar, a spring is fixedly connected to the back of the slide bar, a movable plate is fixedly connected to the back of the spring, and a card block is fixedly connected to the back of the movable plate, so as to facilitate the adjustment of the height of the chromatographic column support frame, thereby meeting the needs of placing and using chromatographic columns of different heights and increasing applicability.

[0012] Preferably, the movable plate is slidably connected to the slide rod, grooves are provided at positions corresponding to the limit frame and the clamping block, and the clamping block is slidably connected inside the groove, so as to facilitate more stable use.

[0013] Preferably, the auxiliary clamping mechanism includes a chromatographic column support frame, the chromatographic column support frame is fixedly connected to the front side of the limit frame, the top of the chromatographic column support frame is fixedly connected to a connecting box, a worm is rotatably connected inside the connecting box, a worm wheel is rotatably connected inside the connecting box, a limiting plate is fixedly connected to the top of the worm wheel, a guide rail is fixedly connected inside the connecting box, a movable block is slidably connected inside the guide rail, and a clamping block is fixedly connected to the top of the movable block to facilitate the adjustment of the position of the clamping block, thereby facilitating the clamping and limiting of chromatographic columns of different diameters and increasing placement stability.

[0014] Preferably, grooves are provided at positions corresponding to the limit plate and the movable block, and the movable block is in contact with the guide rail, and the worm is meshed with the worm wheel, so as to make the clamping process more stable.

[0015] Compared with the prior art, the utility model provides a chromatographic column rack for environmental testing that can hold chromatographic columns of multiple specifications, which has the following beneficial effects:

[0016] 1. The chromatographic column rack for environmental testing, which can hold chromatographic columns of various specifications, has an active adjustment mechanism. During use, the motor is operated to rotate the threaded rod, which cooperates with the limit rod to adjust the position of the chromatographic column support frame, so that it is convenient for workers to place the chromatographic column and avoid accidents such as slipping. The movable plate moves in cooperation with the spring to move the card block, so that the height of the chromatographic column support frame can be adjusted, so that chromatographic columns of different heights can be placed and used, thereby increasing applicability.

[0017] 2. The chromatographic column rack for environmental testing, which can hold chromatographic columns of various specifications, has an auxiliary clamping mechanism. During use, the worm is rotated in cooperation with the worm gear to facilitate adjustment of the position of the clamping block, thereby facilitating clamping and limiting the chromatographic columns of different diameters and increasing the placement stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the active components of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the active component of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0024] Figure 6 This is a schematic diagram of the internal structure of the adjustment component of the utility model;

[0025] Figure 7 This is a schematic diagram of the auxiliary clamping mechanism structure of the utility model;

[0026] Figure 8 It is a schematic diagram of the internal structure of the auxiliary clamping mechanism of the utility model.

[0027] In the figure: 1. box body; 2. cover plate; 3. supporting leg; 4. movable adjusting mechanism; 41. movable assembly; 411. first connecting platform; 412. second connecting platform; 413. motor; 414. movable frame; 415. threaded rod; 416. limiting rod; 42. adjusting assembly; 421. limiting frame; 422. slider; 423. slide bar; 424. spring; 425. movable plate; 426. clamping block; 5. auxiliary clamping mechanism; 51. chromatographic column supporting frame; 52. connecting box; 53. worm; 54. clamping block; 55. worm wheel; 56. limiting plate; 57. guide rail; 58. movable block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Embodiment 1:

[0031] See also Figure 1-6 The utility model provides a technical solution: a chromatographic column rack for environmental testing capable of placing chromatographic columns of various specifications, comprising a box body 1, a cover plate 2 is arranged on the front of the box body 1, a supporting leg 3 is fixedly connected to the bottom of the box body 1, a movable adjustment mechanism 4 is arranged inside the box body 1, and an auxiliary clamping mechanism 5 is arranged on the front of the movable adjustment mechanism 4;

[0032] The movable adjustment mechanism 4 includes a movable component 41 and an adjustment component 42 . The adjustment component 42 is arranged on the top of the movable component 41 .

[0033] Furthermore, the movable component 41 includes a first connecting platform 411, the first connecting platform 411 is fixedly connected to the inside of the box body 1, the second connecting platform 412 is fixedly connected to the inside of the box body 1, the front of the first connecting platform 411 is fixedly connected to a motor 413, the output end of the motor 413 passes through the first connecting platform 411 and extends to the inside where a threaded rod 415 is fixedly connected, the second connecting platform 412 is fixedly connected to a limiting rod 416, and the limiting rod 416 is slidably connected to a movable frame 414 on the outside, so as to facilitate the adjustment of the position of the chromatographic column support frame 51, thereby facilitating the staff to place the chromatographic column and avoiding accidents such as slipping.

[0034] Furthermore, the movable frame 414 is threadedly connected to the threaded rod 415, the movable frame 414 is slidably connected to the first connecting platform 411, and the movable frame 414 is slidably connected to the second connecting platform 412, so that the adjustment process is more stable.

[0035] Furthermore, the adjustment component 42 includes a limit frame 421, which is fixedly connected to the top of the movable frame 414, and a slider 422 is slidably connected inside the limit frame 421. The front of the slider 422 is fixedly connected to a slide rod 423, the back of the slide rod 423 is fixedly connected to a spring 424, the back of the spring 424 is fixedly connected to a movable plate 425, and the back of the movable plate 425 is fixedly connected to a clamping block 426, which is convenient for adjusting the height of the chromatographic column support frame 51, so as to meet the needs of placing and using chromatographic columns of different heights and increase applicability.

[0036] Furthermore, the movable plate 425 is slidably connected to the slide rod 423, grooves are provided at corresponding positions of the limit frame 421 and the clamping block 426, and the clamping block 426 is slidably connected inside the groove, so that the use process is more stable.

[0037] Embodiment 2:

[0038] See also Figure 7-8 , and combined with Example 1, it is further obtained that the auxiliary clamping mechanism 5 includes a chromatographic column support frame 51, the chromatographic column support frame 51 is fixedly connected to the front of the limiting frame 421, the top of the chromatographic column support frame 51 is fixedly connected to a connecting box 52, a worm 53 is rotatably connected inside the connecting box 52, a worm gear 55 is rotatably connected inside the connecting box 52, a limiting plate 56 is fixedly connected to the top of the worm gear 55, a guide rail 57 is fixedly connected inside the connecting box 52, a movable block 58 is slidably connected inside the guide rail 57, and a clamping block 54 is fixedly connected to the top of the movable block 58, which is convenient for adjusting the position of the clamping block 54, thereby facilitating the clamping and limiting of chromatographic columns of different diameters and increasing the placement stability.

[0039] Furthermore, grooves are provided at corresponding positions of the limiting plate 56 and the movable block 58 , and the movable block 58 is in contact with the guide rail 57 , and the worm 53 is meshed with the worm wheel 55 , so that the clamping process is more stable.

[0040] During actual operation, when this device is used, the staff first opens the cover 2, and the motor 413 is set to work to make the threaded rod 415 rotate, and cooperate with the limit rod 416 to move the movable frame 414. The staff pulls the movable plate 425, and the movable plate 425 moves, and cooperates with the spring 424 to make the block 426 move, and the slider 422 moves. The staff rotates the worm 53, and the worm 53 rotates, and cooperates with the worm wheel 55 to move the limit plate 56, and cooperates with the guide rail 57 to move the movable block 58, thereby moving the clamping block 54.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A chromatographic column rack for environmental testing capable of accommodating chromatographic columns of various specifications, comprising a housing (1), characterized in that: The box body (1) is provided with a cover plate (2) on the front side, the box body (1) is fixedly connected with a support leg (3) on the bottom side, a movable adjustment mechanism (4) is provided inside the box body (1), and an auxiliary clamping mechanism (5) is provided on the front side of the movable adjustment mechanism (4); The movable adjustment mechanism (4) comprises a movable component (41) and an adjustment component (42), wherein the adjustment component (42) is arranged on the top of the movable component (41).

2. The chromatographic column rack for environmental testing capable of accommodating chromatographic columns of multiple specifications according to claim 1, characterized in that: The movable component (41) comprises a first connecting platform (411), the first connecting platform (411) is fixedly connected to the inside of the box body (1), the inside of the box body (1) is fixedly connected to a second connecting platform (412), the front of the first connecting platform (411) is fixedly connected to a motor (413), the output end of the motor (413) passes through the first connecting platform (411) and extends to the inside where it is fixedly connected to a threaded rod (415), the inside of the second connecting platform (412) is fixedly connected to a limiting rod (416), and the outside of the limiting rod (416) is slidably connected to a movable frame (414).

3. The chromatographic column rack for environmental testing capable of accommodating chromatographic columns of multiple specifications according to claim 2, characterized in that: The movable frame (414) is threadedly connected to the threaded rod (415), the movable frame (414) is slidably connected to the first connecting platform (411), and the movable frame (414) is slidably connected to the second connecting platform (412).

4. The chromatographic column rack for environmental testing capable of accommodating chromatographic columns of multiple specifications according to claim 2, characterized in that: The adjustment component (42) comprises a limit frame (421), the limit frame (421) is fixedly connected to the top of the movable frame (414), a slider (422) is slidably connected inside the limit frame (421), a slide bar (423) is fixedly connected to the front of the slide bar (422), a spring (424) is fixedly connected to the back of the slide bar (423), a movable plate (425) is fixedly connected to the back of the spring (424), and a clamping block (426) is fixedly connected to the back of the movable plate (425).

5. The chromatographic column rack for environmental testing capable of accommodating chromatographic columns of multiple specifications according to claim 4, characterized in that: The movable plate (425) is slidably connected to the sliding rod (423); grooves are provided at corresponding positions of the limiting frame (421) and the clamping block (426); and the clamping block (426) is slidably connected inside the groove.

6. The chromatographic column rack for environmental testing capable of accommodating chromatographic columns of multiple specifications according to claim 4, characterized in that: The auxiliary clamping mechanism (5) comprises a chromatographic column support frame (51), the chromatographic column support frame (51) is fixedly connected to the front side of the limiting frame (421), the top of the chromatographic column support frame (51) is fixedly connected to a connection box (52), a worm (53) is rotatably connected inside the connection box (52), a worm gear (55) is rotatably connected inside the connection box (52), the top of the worm gear (55) is fixedly connected to a limiting plate (56), the inside of the connection box (52) is fixedly connected to a guide rail (57), the inside of the guide rail (57) is slidably connected to a movable block (58), and the top of the movable block (58) is fixedly connected to a clamping block (54).

7. The chromatographic column rack for environmental testing capable of accommodating chromatographic columns of multiple specifications according to claim 6, characterized in that: The position of the limit plate (56) and the movable block (58) is provided with grooves at corresponding positions, the movable block (58) is in contact with the guide rail (57), and the worm (53) is meshed with the worm wheel (55).

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