Placement rack for centrifuge tubes

Abstract

The utility model discloses a centrifuge tube placing rack which comprises a bottom plate and an annular column frame, a plurality of L-shaped brackets are fixedly installed on the outer surface of the middle of the annular column frame in a surrounding mode, an adjustable base assembly is arranged at the bottom ends of the L-shaped brackets, a limiting hoop ring assembly is arranged at the top ends of the L-shaped brackets, and the adjustable base assembly comprises a rack frame, a connecting rod and a bearing base. The rack frame is arranged in an inner cavity of the annular column frame, a movable block is slidably installed on the outer edge of the rack frame, a second motor is fixedly installed on the side face of the movable block, the output end of the second motor is fixedly sleeved with a gear, and the gear is meshed with the rack frame. The outer surface of the connecting rod is attached to the bottom plate and the inner surface of the L-shaped bracket in a sliding mode. By arranging the L-shaped bracket, the adjustable base assembly, the limiting hoop assembly and other structures, the centrifugal tubes of various specifications can be stored in the device, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of storage and placement rack, more specifically, the utility model relates to a centrifugal tube rack. BACKGROUND

[0002] The centrifugal tube is an experimental tool widely used in biochemistry, molecular biology, medicine and other fields, usually in cylindrical shape, the bottom is conical or circular, and the material is mostly plastic (such as polypropylene) and the like. When the centrifugal tube is used to process the internal solution, it usually needs to be placed in the centrifuge, and this process cannot be separated from the stable support of the centrifugal tube. At present, although some fixed centrifugal tube racks have advantages in simple structure and low cost, there are still some problems in actual use, for example, the existing fixed centrifugal tube racks have different specifications and hole numbers, but a single centrifugal tube rack is only suitable for placing a fixed specification of centrifugal tube, in addition, when multiple specifications of centrifugal tubes need to be stored, the fixed centrifugal tube rack cannot meet the needs of centrifugal tubes of different heights, and multiple fixed centrifugal tube racks often occupy a large amount of table space, thereby affecting the overall flexibility of the device. SUMMARY

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a centrifugal tube rack to solve the problem that the existing fixed centrifugal tube rack has different specifications and hole numbers, but a single centrifugal tube rack is only suitable for placing a fixed specification of centrifugal tube, affecting the overall flexibility of the device.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a centrifugal tube rack, comprising

[0005] The bottom plate;

[0006] The ring column frame is rotatably installed at the inner and outer edges of the bottom end and the inner surface of the middle part of the bottom plate, the outer surface of the middle part of the ring column frame is fixedly installed with a plurality of L-shaped brackets, and the bottom end of the plurality of L-shaped brackets is provided with an adjustable base assembly and the top end is provided with a limiting hoop assembly;

[0007] The adjustable base assembly comprises a rack, a connecting rod and a supporting base, the rack is arranged in the inner cavity of the ring column frame, the outer edge of the rack is slidably installed with a movable block, the side surface of the movable block is fixedly installed with a motor two, the output end of the motor two is fixedly sleeved with a gear, the gear is meshed with the rack, one end of the connecting rod is fixedly installed with the middle part of the side surface of the movable block away from the rack, and the other end is fixedly installed with the outer edge of the supporting base, and the outer surface of the connecting rod is slidably installed with the inner surface of the bottom plate and the L-shaped bracket.

[0008] Further comprising a rotating assembly, which is arranged in the middle part of the inner part of the ring column frame.

[0009] The limiting hoop ring assembly comprises a hoop ring body, arc-shaped clamping pieces, the hoop ring body is arranged in parallel above the supporting base, and the outer edge is fixedly installed on the surface of the top end of the L-shaped bracket, two symmetrically arranged sleeve pipes are fixedly sleeved on the middle part of the hoop ring body, springs are arranged in the two sleeve pipes, one end of the spring is fixedly connected with the inner wall of the side surface of the sleeve pipe, the other end is fixedly connected with a movable rod, the outer surfaces of the two movable rods are slidably installed with the inner surfaces of the sleeve pipe and the hoop ring body, and the end parts of the two movable rods away from the springs are fixedly installed with the middle parts of the two arc-shaped clamping pieces, and the two arc-shaped clamping pieces are symmetrically arranged on the middle part of the hoop ring body.

[0010] The rotating assembly comprises an arc-shaped cover, a main shaft and a motor one, the side edge of the bottom of the arc-shaped cover is fixedly installed on the upper surface of the top of the ring column support, the top end of the main shaft is fixedly installed on the lower surface of the middle part of the arc-shaped cover, the outer surface of the bottom end is fixedly sleeved with a worm wheel, the outer surface of the motor one is fixedly installed on the inner surface of the bottom plate, the output end of the motor one is fixedly sleeved with a worm, the worm and the worm wheel are meshed with each other, and the outer surface of the main shaft is fixedly installed on the outer surfaces of the upper and lower ends of the rack.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the above scheme, by setting the L-shaped bracket, the adjustable base assembly, the limiting hoop ring assembly and the like, the staff controls the motor two to drive the gear connected with the output end to rotate at a proper angle according to the actual height of the centrifugal tube, the gear moves upwards or downwards along the surface of the meshed rack at the same time, the movable block outside the gear and the connecting rod installed on the side edge of the movable block are synchronously lifted, so that the connecting rod slides along the inner wall of the side edge of the ring column support and the inner wall of the middle part of the L-shaped bracket, and the supporting base fixedly connected with the end part of the connecting rod slides along the outer edge of the L-shaped bracket, so that the distance between the supporting base and the hoop ring body is adjusted, the centrifugal tube is positioned and fixed by the limiting hoop ring assembly, the device can store and accommodate centrifugal tubes of various specifications, and the practicability of the device is improved to a certain extent.

[0013] In the scheme, by setting the rotating assembly, in the actual taking and placing process of the centrifugal tube, the worker can control the motor to start, the worm sleeved with the output end rotates in the inner cavity of the bottom plate, the worm gear meshed with the side edge rotates, the main shaft fixedly sleeved with the middle part of the worm gear rotates, drives the arc-shaped cover installed at the top end and the ring column frame at the bottom of the arc-shaped cover to rotate and adhere to the inner surface of the bottom plate, and then drives the plurality of L-shaped brackets, the adjustable base assembly and the limiting hoop assembly on the surface of the ring column frame to rotate, so that the empty L-shaped bracket or the required centrifugal tube supported thereon is rotated to the front of the worker according to the use requirement, and the use convenience and practicality of the device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a rotating assembly structure schematic view of the utility model;

[0016] Figure 3 It is an adjustable base assembly structure schematic view of the utility model;

[0017] Figure 4 It is a limiting hoop assembly structure schematic view of the utility model.

[0018] [REFERENCE SIGNS]

[0019] 1, bottom plate; 2, ring column frame; 3, rotating assembly; 4, L-shaped bracket; 5, adjustable base assembly; 6, limiting hoop assembly; 30, arc-shaped cover; 31, main shaft; 32, motor one; 33, worm; 34, worm gear; 50, rack frame; 51, movable block; 52, motor two; 53, gear; 54, connecting rod; 55, supporting base; 60, hoop main body; 61, sleeve; 62, spring; 63, movable rod; 64, arc-shaped clamping piece. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical schemes and advantages to be solved by the utility model more clear, the following will be described in detail in combination with the drawings and specific embodiments.

[0021] As shown in the accompanying Figure 1 to the accompanying Figure 4 The embodiment of the utility model provides a centrifugal tube rack, which comprises a bottom plate 1;

[0022] The ring column frame 2 is rotatably installed at the inner and outer edges of the bottom end and the inner surface of the middle part of the bottom plate 1, a plurality of L-shaped brackets 4 are fixedly installed around the outer surface of the middle part of the ring column frame 2, and the bottom end of the plurality of L-shaped brackets 4 is provided with an adjustable base assembly 5 and the top end is provided with a limiting hoop assembly 6;

[0023] The adjustable base assembly 5 comprises a rack frame 50, a connecting rod 54, a supporting base 55, the rack frame 50 is arranged in the inner cavity of the ring column frame 2, the outer edge of the rack frame 50 is slidingly installed with a movable block 51, the side surface of the movable block 51 is fixedly installed with a motor two 52, the output end of the motor two 52 is fixedly sleeved with a gear 53, the gear 53 is meshed with the rack frame 50, one end of the connecting rod 54 is fixedly installed with the middle part of the side surface of the movable block 51 away from the rack frame 50, and the other end is fixedly installed with the outer edge of the supporting base 55, the outer surface of the connecting rod 54 is slidingly installed with the inner surface of the bottom plate 1 and the L-shaped bracket 4.

[0024] The rotating assembly 3 is arranged in the middle part of the inner part of the ring column frame 2.

[0025] The limiting hoop assembly 6 comprises a hoop main body 60 and an arc-shaped clamping piece 64, the hoop main body 60 is arranged in parallel above the supporting base 55, and the outer edge is fixedly installed with the surface of the top end of the L-shaped bracket 4, the middle part of the hoop main body 60 is fixedly sleeved with two symmetrically arranged sleeve pipes 61, the interiors of the two sleeve pipes 61 are both provided with springs 62, one end of the spring 62 is fixedly connected with the inner wall of the side surface of the sleeve pipe 61, and the other end is fixedly connected with a movable rod 63, the outer surfaces of the two movable rods 63 are slidingly installed with the inner surfaces of the sleeve pipe 61 and the hoop main body 60, and the end parts of the two movable rods 63 away from the springs 62 are fixedly installed with the middle parts of the two arc-shaped clamping pieces 64, and the two arc-shaped clamping pieces 64 are symmetrically arranged in the middle part of the hoop main body 60.

[0026] By arranging the limiting hoop assembly 6, in the process that the staff inserts the centrifugal tube into the middle part of the hoop main body 60 from top to bottom, the tube wall of the centrifugal tube will be combined with the surfaces opposite to the two arc-shaped clamping pieces 64 under the action of external force, and will extrude the two arc-shaped clamping pieces 64, so that the movable rods 63 connected with the arc-shaped clamping pieces 64 slide along the inner walls of the hoop main body 60 and the sleeve pipe 61, and extrude the springs 62 arranged in the interiors of the sleeve pipes 61, under the reverse elastic force of the springs 62, the centrifugal tube is clamped in the middle part of the hoop main body 60 to a certain extent, so as to avoid the phenomena of skewing and tilting of the centrifugal tube, and further improve the supporting effect of the device on the centrifugal tube.

[0027] The rotating assembly 3 comprises an arc-shaped cover 30, a main shaft 31 and a motor one 32, the side edge of the bottom of the arc-shaped cover 30 is fixedly installed with the upper surface of the top of the ring column frame 2, the top end of the main shaft 31 is fixedly installed with the lower surface of the middle part of the arc-shaped cover 30, and the outer surface of the bottom end is fixedly sleeved with a worm wheel 34, the outer surface of the motor one 32 is fixedly installed with the inner surface of the bottom plate 1, the output end of the motor one 32 is fixedly sleeved with a worm 33, the worm 33 is meshed with the worm wheel 34, and the outer surface of the main shaft 31 is fixedly installed with the outer surfaces of the upper and lower ends of the rack frame 50.

[0028] By setting the rotating assembly 3, in the actual taking and placing process of the centrifugal tube, the worker can control the motor 32 to start, the output end of the worm 33 is sleeved in the inner cavity of the bottom plate 1 and rotates, the side edge of the worm wheel 34 is engaged and rotates, the main shaft 31 fixedly sleeved in the middle of the worm wheel 34 rotates, drives the arc-shaped cover 30 installed at the top and the ring column frame 2 at the bottom of the arc-shaped cover 30 to rotate and adhere to the inner surface of the bottom plate 1, and then drives the plurality of L-shaped brackets 4, the adjustable base assembly 5 and the limiting hoop assembly 6 arranged on the surface of the ring column frame 2 to rotate, so that the empty L-shaped bracket 4 or the required centrifugal tube supported thereon is rotated to the front of the worker according to the use requirement, and the use convenience and practicality of the device are improved.

[0029] The working process of the utility model is as follows:

[0030] The worker controls the motor 52 to drive the gear 53 connected with the output end to rotate to a proper angle according to the actual height of the centrifugal tube, the gear 53 rotates and moves upward or downward along the surface of the rack 50, the movable block 51 outside the gear 53 and the connecting rod 54 installed on the side edge of the movable block 51 are synchronously lifted, the connecting rod 54 slides on the inner wall of the side edge of the ring column frame 2 and the inner wall of the middle of the L-shaped bracket 4, and the support base 55 fixedly connected with the end of the connecting rod 54 slides on the outer edge of the L-shaped bracket 4, so that the distance between the support base 55 and the hoop main body 60 is adjusted, the centrifugal tube is positioned and fixed by the limiting hoop assembly 6, the device can store and store various specifications of the centrifugal tube, and the practicality of the device is improved to a certain extent.

[0031] Finally, it should be pointed out that: first, in the description of the application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0032] Secondly: the utility model discloses the embodiment of the drawings, only relates to the structure involved in the embodiment of the utility model, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0033] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rack for holding centrifuge tubes, characterized by, The utility model relates to a kind of adjustable base assemblies and rotating assemblies for circular column frame. Bottom plate (1); Ring column frame (2), the inner and outer edges of the bottom end of the ring column frame (2) are rotatably mounted to the inner surface of the middle part of the bottom plate (1), the outer surface of the middle part of the ring column frame (2) is fixedly mounted with a plurality of L-shaped brackets (4), and the bottom end of the plurality of L-shaped brackets (4) is provided with an adjustable base assembly (5), and the top end is provided with a limiting hoop assembly (6); The adjustable base assembly (5) comprises a rack frame (50), a connecting rod (54) and a supporting base (55), the rack frame (50) is arranged in the inner cavity of the ring column frame (2), the outer edge of the rack frame (50) is slidably mounted with a movable block (51), the side surface of the movable block (51) is fixedly mounted with a motor (52), the output end of the motor (52) is fixedly sleeved with a gear (53), the gear (53) is in meshing relationship with the rack frame (50), one end of the connecting rod (54) is fixedly mounted with the middle part of the side surface of the movable block (51) away from the rack frame (50), and the other end is fixedly mounted with the outer edge of the supporting base (55), and the outer surface of the connecting rod (54) is slidably mounted with the inner surface of the bottom plate (1) and the L-shaped bracket (4).

2. The rack of claim 1, wherein, Further comprising a rotating assembly (3), which is arranged in the middle part inside the ring column frame (2).

3. The rack of claim 1, wherein, The limiting hoop assembly (6) comprises a hoop body (60) and an arc-shaped clamping piece (64), the hoop body (60) is arranged in parallel above the supporting base (55), and the outer edge is fixedly mounted with the surface of the top end of the L-shaped bracket (4), the middle part of the hoop body (60) is fixedly sleeved with two symmetrically arranged sleeve pipes (61), the inside of the two sleeve pipes (61) is provided with a spring (62), one end of the spring (62) is fixedly connected with the inner wall of the side surface of the sleeve pipe (61), and the other end is fixedly connected with a movable rod (63), the outer surface of the two movable rods (63) is slidably mounted with the inner surface of the sleeve pipe (61) and the hoop body (60), and the end part of the two movable rods (63) away from the spring (62) is fixedly mounted with the middle part of the two arc-shaped clamping pieces (64), and the two arc-shaped clamping pieces (64) are symmetrically arranged in the middle part of the hoop body (60).

4. The rack of claim 2, wherein, The rotating assembly (3) comprises an arc-shaped cover (30), a main shaft (31) and a motor (32), the side edge of the bottom of the arc-shaped cover (30) is fixedly mounted with the upper surface of the top of the ring column frame (2), the top end of the main shaft (31) is fixedly mounted with the lower surface of the middle part of the arc-shaped cover (30), and the outer surface of the bottom end is fixedly sleeved with a worm wheel (34), the outer surface of the motor (32) is fixedly mounted with the inner surface of the bottom plate (1), the output end of the motor (32) is fixedly sleeved with a worm (33), the worm (33) is in meshing relationship with the worm wheel (34), and the outer surface of the main shaft (31) is fixedly mounted with the outer surface of the upper and lower ends of the rack frame (50).

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