CN219252658U

CN219252658U - Vertical clamping device

Info

Publication number: CN219252658U
Application number: CN202223150944.6U
Authority: CN
Inventors: 熊雨胜; 张薇; 郭高升
Original assignee: Wuhan Yuangu Biotechnology Co ltd
Current assignee: Wuhan Yuangu Biotechnology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-06-27
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a vertical clamping device which comprises a base, a support column and parallel columns in clearance fit with the support column, wherein one end, far away from the support column, of each parallel column is connected with a clamping mechanism, a main connecting plate of each clamping mechanism is perpendicular to the base, two sides of each main connecting plate are connected with a first side plate and a second side plate which are perpendicular to the base and have an included angle smaller than ninety degrees with the main connecting plate, and the first side plates and the second side plates are enclosed with the main connecting plates to be in line contact with a molecular gel filtration column in the vertical direction so as to vertically clamp the molecular gel filtration column. The utility model can ensure the vertical fixation of the molecular gel filtration column in use, can not incline back and forth and left and right, has good clamping effect and better vertical clamping stability.

Description

Vertical clamping device

Technical Field

The utility model relates to the technical field of biological experimental equipment, in particular to a vertical clamping device.

Background

In the case of chemical molecular weight screening experiments, molecular gel filtration columns, also called gel exclusion chromatography columns, molecular sieve chromatography columns, gel permeation chromatography columns, etc., are often used, which utilize the molecular sieve effect of gels having a network structure to separate substances according to the molecular size of the substances to be separated. The molecular gel filtration column is required to be vertically fixed in the use process, then the solution is added into the column, and the molecular gel filtration column is separated and chromatographed according to different flow rates of the molecules in the gel.

However, because the molecular gel filtration column is of a slender structure, the conventional circular single-bracket iron stand cannot be kept perpendicular to the workbench when the molecular gel filtration column is fixed in the use process, left and right tilting is easy to occur, and even if other clamping devices such as cross clamps, iron tricycles, condensing pipe clamps, flask clamps, chain clamps and the like are adopted, the clamping devices are circular interfaces with fixed inner diameters and are not easy to clamp the filtration column, and the diameters of various molecular gel filtration columns are different, so that the molecular gel filtration column is difficult to vertically clamp when in use, tilting is easy to occur, the chromatography efficiency of the molecular gel filtration column is reduced, and reasonable results cannot be obtained in experiments when serious.

Disclosure of Invention

The utility model provides the following technical scheme for solving the technical problems that a molecular gel filtration column is easy to incline left and right and is difficult to clamp vertically in the prior art.

The utility model discloses a vertical clamping device which comprises a base, a support column and parallel columns in clearance fit with the support column, wherein one end, far away from the support column, of each parallel column is connected with a clamping mechanism, a main connecting plate of each clamping mechanism is perpendicular to the base, two sides of each main connecting plate are connected with a first side plate and a second side plate which are perpendicular to the base and have an included angle smaller than ninety degrees with the main connecting plate, and the first side plates and the second side plates are enclosed with the main connecting plates to be in line contact with a molecular gel filtration column in the vertical direction so as to vertically clamp the molecular gel filtration column.

As a further technical scheme, the first lateral plate outside is equipped with first adjust knob, and first adjust knob passes first lateral plate and is connected with first grip block, the second lateral plate outside is equipped with the second adjust knob, and the second adjust knob passes the second lateral plate and is connected with the second grip block.

As a further technical scheme, the first side plate, the second side plate, the first clamping plate and the second clamping plate are made of elastic materials.

As a further technical scheme, one end of the first side plate and one end of the second side plate, which are far away from the main connecting plate, are respectively provided with a first convex column and a second convex column.

As a further technical scheme, the number of the parallel columns is two, the two parallel columns are respectively arranged at the upper part and the lower part of the support column, and the two clamping mechanisms are respectively arranged at the end parts of the two parallel columns.

As a further technical scheme, the support column and the parallel column are both cuboid columnar structures, and the parallel column is provided with a square cavity for the support column to pass through.

As a further technical scheme, the support is provided with a groove, and the fixing knob of the parallel column penetrates through the threaded hole of the parallel column to be abutted with the groove so as to fixedly connect the parallel column with the support column.

The parallel column and the support column are both rectangular column structures, horizontal deflection is not easy to occur in use, the main connecting plate, the first side plate and the second side plate of the clamping mechanism are similar to triangular structures in shape, the molecular gel filtration column is clamped, the first side plate and the second side plate are enclosed with the main connecting plate to be in line contact with the molecular gel filtration column in the vertical direction, the vertical fixation of the molecular gel filtration column can be ensured, front-back left-right inclination cannot occur, and the clamping effect is good; the design of first projection and second projection makes the molecular gel filtration card go into fixture more easily, and the upper and lower of support column respectively is equipped with a fixture, makes the vertical centre gripping stability of molecular gel filtration post better.

Drawings

FIG. 1 is a schematic perspective view of a vertical clamping device according to the present utility model;

FIG. 2 is a perspective view of a clamping mechanism of a vertical clamping device according to the present utility model;

FIG. 3 is a schematic top view of a vertical clamping device of the present utility model;

in the figure: 1-a base; 2-supporting columns; 201-groove; 3-parallel columns; 301-fixing a knob; 302-square cavity; 4-a clamping mechanism; 401-a main connection board; 402-a first side plate; 403-a second side panel; 404-a first adjustment knob; 405-a second adjustment knob; 406-a first clamping plate; 407-a second clamping plate; 408-a first post; 409-second post.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples, wherein like parts are not repeated. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "vertical," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

As shown in fig. 1, the vertical clamping device of the present utility model includes a base 1, a support column 2 and a parallel column 3, wherein the parallel column 3 is in clearance fit with the support column 2, the support column 2 and the parallel column 3 are both in a rectangular columnar structure, and the support column 2 and the parallel column 3 are not easy to incline in the use process, and of course, may be in a cylindrical structure, so long as the support column 2 and the parallel column 3 are tightly fixed, and the vertical clamping device is not particularly limited. The support column 2 is perpendicular to the base 1, the parallel column 3 is provided with a square cavity 302 for the support column 2 to pass through, the support 2 is provided with a groove 201, one side of the parallel column 3 is provided with a fixing knob 301, the groove 201 and the fixing knob 301 are arranged on the same side face, the fixing knob 301 passes through a threaded hole of the parallel column (3) to be abutted with the groove 201 so as to fixedly connect the parallel column 3 with the support column 2, and the groove 201 can be arranged into a plurality of grooves so that the parallel column 3 can be conveniently moved and fixed in the up-down direction of the support column 2.

As shown in fig. 1 and fig. 2, one end of the parallel column 3 far away from the support column 2 is connected with a clamping mechanism 4, a main connecting plate 401 of the clamping mechanism 4 is perpendicular to the base 1 and is fixedly connected with the end of the parallel column 3, two sides of the main connecting plate 401 are connected with a first side plate 402 and a second side plate 403, the first side plate 402 and the second side plate 403 are perpendicular to the base 1, an included angle between the first side plate 402 and the second side plate 403 and the main connecting plate 401 is smaller than ninety degrees, so that the first side plate 402 and the second side plate 403 enclose the main connecting plate 401 to clamp the molecular gel filtration column, the first side plate 402 and the second side plate 403 enclose the main connecting plate 401 to form a triangle-like structure, the first side plate 402 and the second side plate 403 are respectively contacted with the main connecting plate 401 in a vertical direction, and three vertical contact lines vertically clamp the molecular gel filtration column, and the molecular gel filtration column can be prevented from tilting back and forth and left and right.

In a preferred embodiment, a first adjusting knob 404 is disposed outside the first side plate 402, the first adjusting knob 404 is connected to a first clamping plate 406 through the first side plate 402, a second adjusting knob 405 is disposed outside the second side plate 403, and the second adjusting knob 405 is connected to a second clamping plate 407 through the second side plate 403. The clamping mechanism 4 adopting the structure can be suitable for molecular gel filtration columns with various different diameters, has a large application range, and is characterized in that the first side plate, the second side plate, the first clamping plate and the second clamping plate are all made of non-rigid materials, so that the molecular gel filtration column can be prevented from being worn by hard contact of rigid materials, and the technical scheme can be applied to rigid materials.

As shown in fig. 1 and 3, the present utility model is applicable not only to molecular gel filtration columns, but also to other column-shaped devices or apparatuses having a long strip shape, and when a device having a column-shaped structure is placed, the device may be directly inserted from the middle of the main connection plate 401, the first side plate 402, and the second side plate 403, or a first protrusion 408 and a second protrusion 409 may be respectively provided at one ends of the first side plate 402 and the second side plate 403 away from the main connection plate 401, and the column-shaped device may be squeezed into the clamping mechanism 4 from between the first protrusion 408 and the second protrusion 409.

As shown in fig. 1, two parallel columns 3 are provided at the upper and lower parts of the support column 2, respectively, two clamping mechanisms 4 are provided at the ends of the two parallel columns 3, respectively, and the number of parallel columns 3 is not particularly limited, as long as they can stably and vertically clamp the molecular gel filtration column.

While the preferred embodiments and examples of the present utility model have been described in detail with reference to the drawings, the present utility model is not limited to the above embodiments and examples, and various changes and equivalent substitutions can be made therein without departing from the spirit of the present utility model within the knowledge of those skilled in the art, and therefore, the present utility model is not limited to the embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be included in the scope of the present utility model.

Claims

1. The utility model provides a perpendicular clamping device, includes base (1), support column (2) and with support column (2) clearance fit's parallel column (3), its characterized in that: the one end that support column (2) was kept away from to parallel post (3) is connected with fixture (4), main connecting plate (401) perpendicular to base (1) of fixture (4), main connecting plate (401) both sides are connected with base (1) vertically with main connecting plate (401) contained angle be less than ninety degrees first curb plate (402) and second curb plate (403), first curb plate (402) and second curb plate (403) are elastic material and make, first curb plate (402) and second curb plate (403) enclose with main connecting plate (401) and contact in the vertical direction line with molecular gel filtration post, with the perpendicular centre gripping of molecular gel filtration post.

2. The vertical clamping device according to claim 1, wherein: the outer side of the first side plate (402) is provided with a first adjusting knob (404), the first adjusting knob (404) penetrates through the first side plate (402) to be connected with a first clamping plate (406), the outer side of the second side plate (403) is provided with a second adjusting knob (405), and the second adjusting knob (405) penetrates through the second side plate (403) to be connected with a second clamping plate (407).

3. The vertical clamping device according to claim 2, wherein: the first clamping plate (406) and the second clamping plate (407) are made of elastic materials.

4. The vertical clamping device according to claim 1, wherein: and one ends of the first side plate (402) and the second side plate (403) far away from the main connecting plate (401) are respectively provided with a first convex column (408) and a second convex column (409).

5. The vertical clamping device according to claim 1, wherein: the two parallel columns (3) are respectively arranged at the upper part and the lower part of the support column (2), and the two clamping mechanisms (4) are respectively arranged at the end parts of the two parallel columns (3).

6. The vertical clamping device according to claim 1, wherein: the support column (2) and the parallel column (3) are both of cuboid columnar structures, and the parallel column (3) is provided with a square cavity (302) for the support column (2) to pass through.

7. The vertical clamping device according to claim 1, wherein: the support column (2) is provided with a groove (201), and a fixing knob (301) of the parallel column (3) passes through a threaded hole of the parallel column (3) to be abutted with the groove (201) so as to fixedly connect the parallel column (3) with the support column (2).