CN219252920U - Test tube fixing seat and centrifugal machine - Google Patents

Abstract

The utility model relates to the technical field of automatic test equipment, in particular to a test tube fixing seat and a centrifugal machine. The test tube fixing base includes: a base and an elastic fixing member; the base is provided with a mounting groove, the elastic fixing piece comprises an elastic part and an abutting part, the elastic part is connected to the base, the abutting part is connected with the elastic part, and the elastic part can drive the abutting part to move in the mounting groove in a direction away from or close to the center of the mounting groove; the abutting part is used for abutting with the test tube. According to the utility model, the elastic part can adjust the position of the abutting part relative to the center of the mounting groove according to the diameter of the test tube, so that the elastic part can be suitable for test tubes with different diameter specifications, and the test tube fixing seat with corresponding specification is prevented from being replaced when the test tubes with different diameters are operated, thereby simplifying the operation process of a worker, reducing the workload of the worker and facilitating the use of the worker.

Description

Test tube fixing seat and centrifugal machine

Technical Field

The utility model relates to the technical field of automatic test equipment, in particular to a test tube fixing seat and a centrifugal machine.

Background

In the fields of biology, medicine, etc., it is necessary to directly manipulate a sample in a test tube, for example: the centrifugal technology is a method for separating substances with different specific gravities by means of centrifugal force, and the related process is that as the centrifugal force is far greater than the gravity due to quite high angular velocity generated by equipment such as a centrifugal machine, suspended matters in solution are easy to precipitate out; and due to the different centrifugal forces suffered by substances with different specific gravities, the sedimentation speeds are different, so that the substances with different specific gravities can be separated. Taking centrifugal test as an example, need adopt centrifuge, centrifuge includes that the test tube fixing base comes to fix the test tube of waiting to carry out centrifugal test, generally, the test tube fixing base is including the test tube groove that is used for placing the test tube, and the internal diameter in test tube groove is certain, can fix the test tube of corresponding diameter, and then the test tube of different models needs to be changed different test tube fixing base, has increased test personnel's work load and complexity, inconvenient use.

Disclosure of Invention

The utility model aims to provide a test tube fixing seat and a centrifugal machine, so as to solve the technical problem that the test tube fixing seat in the prior art is inconvenient to use to a certain extent.

The utility model provides a test tube fixing seat, comprising: a base and an elastic fixing member; the base is provided with a mounting groove, the elastic fixing piece comprises an elastic part and an abutting part, the elastic part is connected to the base, the abutting part is connected with the elastic part, and the elastic part can drive the abutting part to move in the mounting groove in a direction away from or close to the center of the mounting groove; the abutting part is used for abutting with the test tube.

In the process of using the test tube fixing seat provided by the utility model, a test tube is inserted into the mounting groove, the abutting part abuts against the side part of the test tube in the test tube inserting process, the test tube pushes the elastic part through the abutting part, the elastic part and the abutting part move in the direction away from the center of the mounting groove (can be understood as being away from the test tube), in the process, the elastic part stores energy, the elastic part has a reset trend, and the elastic part pushes the abutting part to squeeze the test tube, so that the test tube is fixed. When the test tube is pulled out, the elastic part pushes the abutting part to move towards the direction close to the center of the mounting groove so as to restore to the initial position. According to the utility model, the elastic part can adjust the position of the abutting part relative to the center of the mounting groove according to the diameter of the test tube, so that the elastic part can be suitable for test tubes with different diameter specifications, and the test tube fixing seat with corresponding specification is prevented from being replaced when the test tubes with different diameters are operated, thereby simplifying the operation process of a worker, reducing the workload of the worker and facilitating the use of the worker.

Further, the elastic portion includes a torsion spring, and the abutting portion includes an abutting block; the abutting block is rotationally connected to the base through a torsion spring.

Further, the base is provided with a mounting hole; the elastic fixing piece further comprises a connecting shaft; the abutting block is rotationally connected in the mounting hole through the connecting shaft, and the torsion spring is sleeved on the connecting shaft.

Further, the upper part of the abutting block is rotatably connected in the mounting hole through the connecting shaft; the lower part of butt piece is equipped with the boss, be equipped with the spacing groove on the outer wall of base, the boss can block and establish in the spacing groove.

Further, a groove is formed in the back of the abutting block; the two sides of the abutting block are respectively provided with the bosses in the width direction of the mounting hole, and correspondingly, the outer wall of the base is provided with the limit grooves corresponding to the two bosses one by one;

and/or the inner wall of the abutting block is arranged in an arc shape.

Further, the test tube fixing seat further comprises an outer cover, and the outer cover is sleeved outside the base; one end of the torsion spring is connected with the abutting block, and the other end of the torsion spring abuts against the inner wall of the outer cover.

Further, a slot is arranged on the outer cover, and one end of the torsion spring is inserted into the slot.

Further, the opening of the mounting groove is arranged at the top of the base, and a step is arranged at the bottom of the base; the bottom of the outer cover is opened, the inner wall of the bottom of the outer cover is provided with a connecting lug, and the top of the outer cover is provided with a cover edge; the bottom of the outer cover is lapped on the step of the base, and the cover edge covers the top of the base.

Further, the base and the outer cover are correspondingly provided with observation openings.

The utility model provides a test tube fixing seat, which comprises a main body and the test tube fixing seat.

It is to be understood that both the foregoing general description and the following detailed description are for purposes of example and explanation and are not necessarily limiting of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the present disclosure. Meanwhile, the description and drawings are used to explain the principles of the present disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first view angle of a test tube holder according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the test tube holder of FIG. 1 at a second view angle;

FIG. 3 is a schematic view of the structure of the base in the test tube holder shown in FIG. 1;

fig. 4 is a schematic structural view of the outer cover in the test tube holder shown in fig. 1.

Icon: 1-a base; 2-elastic fixing pieces; 3-an outer cover; 4-test tube; 5-fastening; 21-a torsion spring; 22-abutting blocks; 23-boss; 11-mounting slots; 12-mounting holes; 13-a limit groove; 14-bar-shaped holes; 31-lugs; 32-slots; 33-opening.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present 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 relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

As shown in fig. 1 to 4, an embodiment of the present utility model provides a test tube fixing base, which includes a base 1 and an elastic fixing member 2; the base 1 is provided with a mounting groove 11, the elastic fixing piece 2 comprises an elastic part and an abutting part, the elastic part is connected to the base 1, the abutting part is connected with the elastic part, and the elastic part can drive the abutting part to move in the mounting groove 11 in a direction away from or close to the center of the mounting groove 11; the abutment portion is adapted to abut against the test tube 4.

In the process of using the test tube fixing base that this embodiment provided, insert test tube 4 in mounting groove 11, at test tube 4 in-process of inserting, butt portion and test tube 4's lateral part butt, test tube 4 promotes the elastic part through the butt portion, elastic part and butt portion move to the direction of keeping away from the center of mounting groove 11 (can understand to be kept away from test tube 4), in this process, the elastic part stores the energy, the elastic part has the trend that resets to the elastic part extrudes the butt portion to test tube 4, and then fixes test tube 4. When the test tube 4 is withdrawn, the elastic portion pushes the abutting portion to move in a direction approaching the center of the mounting groove 11 to return to the initial position. The position of the center of the butt portion relative to the mounting groove 11 can be adjusted according to the diameter size of the test tube 4 to this embodiment elastic part to can be applicable to the test tube 4 of different diameter specifications, when avoiding operating the test tube 4 of different diameters, all need to change the test tube fixing base of corresponding specification, thereby simplify staff's operation process, reduce staff's work load, make things convenient for the staff to use.

The shape of the base 1 may be rectangular, pentagonal, or elliptical. Optionally, the appearance shape of the base 1 is round, so that the processing and the manufacturing are convenient.

The elastic portion and the abutting portion may have various structural forms, for example: the spring piece that elastic part and butt portion are as an organic whole, the spring piece can be fixed on the inner wall of base 1, perhaps set up the holding tank on the inner wall of base 1, and one side of spring piece is fixed in the holding tank.

Another example is: the elastic part is a pressure spring, the abutting part is a touch plate, the inner wall of the base 1 (namely the side wall of the mounting groove 11) is provided with a containing groove, the opening of the containing groove faces the inside of the mounting groove 11, one end of the pressure spring is connected with the bottom of the containing groove, and the other end of the pressure spring is connected with the touch plate.

As an alternative, as shown in fig. 1 and 3, the elastic portion includes a torsion spring 21, and the abutment portion includes an abutment block 22; the abutment block 22 is rotatably connected to the base 1 by a torsion spring 21.

In this embodiment, the abutting block 22 moves in a direction approaching or separating from the center of the mounting groove 11 through the torsion spring 21, and the abutting block 22 rotates relative to the base 1 during the movement, so that the occupied space of the elastic fixing member 2 can be reduced.

Specifically, as shown in fig. 3, the base 1 is provided with a mounting hole 12; the elastic fixing piece 2 also comprises a connecting shaft; the abutting block 22 is rotatably connected in the mounting hole 12 through a connecting shaft, and the torsion spring 21 is sleeved on the connecting shaft.

In this embodiment, the abutment block 22 can move in the mounting hole 12, so as to reduce the internal space occupied by the mounting groove 11, and further reduce the volume of the test tube fixing seat.

Further, as shown in fig. 3, on the basis of the above embodiment, the upper portion of the abutment block 22 is rotatably connected in the mounting hole 12 by a connecting shaft; the lower part of the abutting block 22 is provided with a boss 23, the outer wall of the base 1 is provided with a limiting groove 13, and the boss 23 can be clamped in the limiting groove 13.

In this embodiment, the boss 23 is clamped in the limiting groove 13, and the limiting groove 13 limits the position of the boss 23, so that the initial position of the abutment block 22 can be limited, and the structure on the base 1 is regular and compact, and is more convenient to use.

Wherein a boss 23 may be provided at one side of the abutment block 22.

As an alternative, as shown in fig. 1 and 3, the back of the abutment block 22 is provided with a groove (the provision of the groove can reduce the weight of the abutment block 22, thereby making the movement of the abutment block 22 smoother and more flexible); on the width direction of the mounting hole 12, two sides of the abutting block 22 are respectively provided with a boss 23, and correspondingly, the outer wall of the base 1 is provided with limit grooves 13 corresponding to the two bosses 23 one by one.

In this embodiment, the two sides of the abutment block 22 are respectively provided with the boss 23, and the two bosses 23 can be respectively clamped in the corresponding limiting grooves 13, so that the abutment block 22 is stable and balanced in stress.

Specifically, as shown in fig. 3, the boss 23 and the abutment block 22 are formed in a substantially T-shape, and the mounting hole 12 and the stopper groove 13 are formed in a substantially cross-shape.

As an alternative, as shown in fig. 1, the inner wall of the abutment block 22 is arc-shaped, and the arc-shaped inner wall is smooth, so that the test tube 4 can be conveniently and smoothly inserted into the mounting groove 11, and damage to the test tube 4 is avoided.

As shown in fig. 1, 2 and 4, based on the above embodiment, the test tube fixing seat further includes an outer cover 3, and the outer cover 3 is sleeved outside the base 1; one end of the torsion spring 21 is connected to the abutting block 22, and the other end abuts against the inner wall of the outer cover 3.

In this embodiment, the outer cover 3 is sleeved outside the base 1, so that the base 1 and the structure on the base 1 can be covered, and the test tube fixing seat is regular, and the outer cover 3 can also protect the base 1 and the structure on the base 1. One end of the torsion spring 21 is abutted against the abutting block 22, the other end of the torsion spring is abutted against the outer cover 3, and the outer cover 3 supports the torsion spring 21, so that the torsion spring 21 is convenient to install.

It will be appreciated that the outer cover 3 is hollow, and both ends of the outer cover 3 are provided with openings, so as to avoid shielding the opening of the mounting groove 11, and can be sleeved outside the base 1.

Wherein the torsion spring 21 may abut against the inner wall of the outer cover 3.

As an alternative, as shown in fig. 4, further, based on the above embodiment, a slot 32 is provided on the outer cover 3, and one end of the torsion spring 21 is inserted into the slot 32.

In this embodiment, one end of the torsion spring 21 is inserted in the slot 32, and the slot 32 can limit one end of the torsion spring 21, so that one end of the torsion spring 21 is prevented from shifting, the installation of the torsion spring 21 is more stable, and the movement of the abutting block 22 is more reliable.

Wherein the slot 32 may be formed by directly grooving the inner wall of the outer cap 3; alternatively, a supporting block is provided on the inner wall of the outer cover 3, and a slot 32 is formed on the supporting block; alternatively, two baffle plates are provided on the inner wall of the outer cover 3 at opposite intervals, with the slot 32 or the like formed therebetween.

It is easy to understand that the number of the slots 32 is the same as the number of the torsion springs 21, and the number of the torsion springs 21 is the same as the number of the elastic fixing members 2.

It will be appreciated that, for greater stability of the fixing of the test tube 4, the base 1 is connected with a plurality of elastic fixing elements 2, for example: two, three, four or five, etc. The plurality of elastic fixing members 2 are disposed at intervals along the circumferential direction of the mounting groove 11.

As shown in fig. 1 to 4, further, on the basis of the above embodiment, the opening of the mounting groove 11 is provided at the top of the base 1, and the bottom of the base 1 is provided with a step; the bottom of the outer cover 3 is arranged in an open manner, the inner wall of the bottom of the outer cover 3 is provided with a connecting lug 31 (the lug 31 and the step can be connected and fixed through a fastener 5, such as a bolt or a screw, so as to connect and fix the outer cover 3 and the base 1), and the top of the outer cover 3 is provided with a cover edge; the bottom of the outer cover 3 is lapped on the step of the base 1, and the cover edge covers the top of the base 1.

In the embodiment, the bottom of the outer cover 3 is lapped on the step, so that the side wall of the outer cover 3 is flush with the side wall of the step; the cover edge of the outer cover 3 covers the top of the base 1, so that the structure of the test tube fixing seat is regular as a whole.

As shown in fig. 1, 3 and 4, on the basis of the above embodiment, further, observation ports are correspondingly provided on the base 1 and the outer cover 3, and the observation ports are provided to facilitate the staff to observe the sample condition in the test tube 4.

Specifically, as shown in fig. 1, 3 and 4, a notch 33 is provided on the side wall of the outer cover 3, and the notch 33 may form a viewing port on the outer cover 3; a bar-shaped hole 14 is provided in the base 1 so as to extend from the top of the base 1 (the portion of the opening of the mounting groove 11) to the step, and the bar-shaped hole 14 forms an observation port in the base 1.

The embodiment of the utility model also provides a centrifugal machine, which comprises a main body and the test tube fixing seat in any technical scheme, so that the centrifugal machine has all the beneficial technical effects of the test tube fixing seat, and the description is omitted.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model. In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments.

Claims (10)

1. A test tube holder, comprising: a base (1) and an elastic fixing piece (2); the base (1) is provided with a mounting groove (11), the elastic fixing piece (2) comprises an elastic part and an abutting part, the elastic part is connected to the base (1), the abutting part is connected with the elastic part, and the elastic part can drive the abutting part to move in the mounting groove (11) in a direction away from or close to the center of the mounting groove (11); the abutting part is used for abutting with the test tube (4).

2. The test tube holder according to claim 1, wherein the elastic portion comprises a torsion spring (21), and the abutment portion comprises an abutment block (22); the abutting block (22) is rotatably connected to the base (1) through a torsion spring (21).

3. The test tube fixing seat according to claim 2, wherein the base (1) is provided with a mounting hole (12); the elastic fixing piece (2) further comprises a connecting shaft; the abutting block (22) is rotatably connected in the mounting hole (12) through the connecting shaft, and the torsion spring (21) is sleeved on the connecting shaft.

4. A test tube holder according to claim 3, characterized in that the upper part of the abutment block (22) is rotatably connected in the mounting hole (12) by means of the connecting shaft; the lower part of the abutting block (22) is provided with a boss (23), the outer wall of the base (1) is provided with a limiting groove (13), and the boss (23) can be clamped in the limiting groove (13).

5. The test tube holder according to claim 4, characterized in that the back of the abutment block (22) is provided with a groove; the two sides of the abutting block (22) are respectively provided with the boss (23) in the width direction of the mounting hole (12), and correspondingly, the outer wall of the base (1) is provided with the limit grooves (13) which are in one-to-one correspondence with the two bosses (23);

and/or the inner wall of the abutting block (22) is arranged in an arc shape.

6. The test tube holder according to any one of claims 3-5, further comprising an outer cover (3), the outer cover (3) being sleeved outside the base (1); one end of the torsion spring (21) is connected with the abutting block (22), and the other end of the torsion spring is abutted with the inner wall of the outer cover (3).

7. The test tube fixing seat according to claim 6, wherein the outer cover (3) is provided with a slot (32), and one end of the torsion spring (21) is inserted into the slot (32).

8. The test tube fixing seat according to claim 6, wherein the opening of the mounting groove (11) is arranged at the top of the base (1), and a step is arranged at the bottom of the base (1); the bottom of the outer cover (3) is opened, a connecting lug (31) is arranged on the inner wall of the bottom of the outer cover (3), and a cover edge is arranged at the top of the outer cover (3); the bottom of the outer cover (3) is lapped on the step of the base (1), and the cover edge covers the top of the base (1).

9. The test tube holder according to claim 7, wherein the base (1) and the outer cover (3) are provided with viewing openings.

10. A centrifuge comprising a main body and a test tube holder according to any one of claims 1 to 9.

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