CN212040561U

CN212040561U - Centrifugal test tube rack

Info

Publication number: CN212040561U
Application number: CN201922141109.8U
Authority: CN
Inventors: 孙绍文; 曾令文; 胡金伟; 陈明杰; 曾俊
Original assignee: Wuhan Academy of Agricultural Sciences
Current assignee: Wuhan Academy of Agricultural Sciences
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-12-01
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a centrifugal test tube rack, which comprises a base, a test tube tray and a test tube, wherein the base comprises a mandrel, a guide block and a positioning block, and the test tube tray comprises a tray body, a spring clip, a mounting rack and a test tube tray; the tray body center is equipped with and supplies the through-hole that the dabber top passed, spring card fixed connection is used for blocking the dabber top in the top surface center department of tray body, and the even fixed connection of mounting bracket is peripheral at the tray body, and the test tube holds in the palm the rotation connection in the mounting bracket. The test tube is kept upright in the normal state of the centrifugal test tube rack, and is in a horizontal state during centrifugation, so that a relatively ideal centrifugation effect is obtained.

Description

Centrifugal test tube rack

Technical Field

The utility model relates to a biochemical detecting instrument technical field, in particular to centrifugal test-tube rack.

Background

In biochemical experiments, the centrifugation operation on samples is mainly performed on a special centrifuge by experiment operators, and the operators need to independently perform taking and placing operations on each test tube. The centrifugation step of the automatic biochemical detection instrument also mainly depends on manual operation, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a centrifuge test-tube rack both can improve work efficiency and have better centrifugal effect.

In order to realize the above effect, the utility model discloses technical scheme as follows:

a centrifugal test tube rack comprises a base, a test tube tray and a test tube, wherein the base is composed of a mandrel, a guide block and a positioning block, and the bottom end of the mandrel penetrates through the guide block and is fixed on the positioning block; the test tube tray comprises a tray body, a spring clamp, a mounting frame and a test tube tray, wherein a through hole through which the top end of the mandrel can penetrate is formed in the center of the tray body, and a limiting block matched with the base is arranged on the bottom surface of the tray body; the spring clamp is fixedly connected to the center of the top surface of the tray body and used for clamping the top end of the mandrel, the mounting frame is uniformly and fixedly connected to the periphery of the tray body, and the test tube support is connected into the mounting frame in a rotating mode;

the spring clamp comprises a fixing piece and two clamping pieces which are oppositely arranged, one end of each clamping piece is fixedly connected with the fixing piece through a spring, the other end of each clamping piece is provided with an arc concave surface, and the fixing pieces are fixed on the top surface of the tray body through screws.

Further, in the above technical scheme, the test tube support is rotatably connected with the mounting rack through a rotating shaft.

Further, in the above technical scheme, two stoppers are arranged in the mounting frame, and a boss for limiting, which is in contact with the stoppers, is arranged on the test tube support.

Further, in the above technical scheme, a magnet block is embedded at the bottom of the stop block, and the test tube holder is made of a magnetic material.

Further, in the above technical scheme, the centrifuge tube rack further includes test tubes, and after the test tubes are vertically clamped in the test tube holders, axes of all the test tubes are on the same cylindrical surface.

Further, in the above technical scheme, an annular clamping groove is arranged at the clamping position of the mandrel and the clamping piece.

The utility model has the advantages that: 1) the test tube is kept upright in a normal state by the adsorption of the magnet, and can reach a horizontal posture during centrifugation, so that a relatively ideal centrifugation effect is achieved; 2) the design of stopper and spring card ensures that the test tube rack is convenient for wholly carry and the location is pressed from both sides tightly in automatic biochemical detecting instrument.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the test tube tray;

FIG. 3 is an enlarged view of the base structure

FIG. 4 is a schematic view of the structure of the utility model in use;

FIG. 5 is a schematic bottom view of the test tube tray;

in the figure: 10-base, 11-mandrel, 111-ring clamping groove, 12-guide block, 13-positioning block, 20-test tube tray, 21-tray body, 211-through hole, 212-limiting block, 22-spring clamp, 221-fixing piece, 222-clamping piece, 23-mounting rack, 231-stop block, 232-magnet block, 24-test tube holder, 241-boss, 25-rotating shaft and 30-test tube.

Detailed Description

For a better understanding of the present invention, the following description is given by way of specific embodiments and accompanying drawings, but not by way of limitation.

Please refer to fig. 1 to 5, it should be understood that the structure, ratio, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so as to be known and read by the people skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms "bottom", "inner", "outer", "front", "rear", "upper", "lower", and the like used in the present specification are for convenience of description and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes and modifications, and may be considered as the scope of the present invention. It should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited.

As shown in FIGS. 1 to 5, a centrifuge tube rack comprises a base 10, a test tube tray 20 and a test tube 30. The base 10 is composed of a mandrel 11, a guide block 12 and a positioning block 13, in a specific embodiment, the guide block 12 may be a long strip, a hole for the mandrel 11 to pass through is formed in the center of the guide block 12, the guide block is fixed in a groove of the positioning block through a screw, and the bottom end of the mandrel 11 passes through the guide block 12 and is fixed with the positioning block 13. During centrifugation, the base fixed on the rotating shaft rotates to drive the test tube rack to rotate together.

The test tube tray 20 includes a tray body 21, a spring clip 22, a mounting bracket 23, and a test tube holder 24. A through hole 211 through which the top end of the mandrel 11 can pass is formed in the center of the tray body 21, a limiting block 212 matched with the base 10 is arranged on the bottom surface of the tray body 21, and the limiting block 212 is arranged around the through hole and plays a role in guiding and quickly positioning when being connected with the base; the spring clip 22 is fixed at the center of the top surface of the tray body 21, the spring clip 22 comprises a fixing piece 221 and two clamping pieces 222 which are oppositely arranged, four corners of the fixing piece 221 are fixed on the tray body 21 through screws, the clamping pieces 222 are positioned below the fixing piece 221, one end of each clamping piece 222 is fixedly connected with the fixing piece 221 through a spring, the other end of each clamping piece is provided with an arc concave surface, and a channel formed by the two arc concave surfaces is communicated with the through hole 211; be equipped with ring groove 111 on the dabber 11, when test tube tray 20 and base 10 equipment, after the passageway between through-hole 211 and two chucking spare 222 was passed in proper order to the top of dabber 11, ring groove 111 of dabber 11 was blocked in the circular arc concave surface department of chucking spare 222 to play the fixed action. The tray body is also provided with two symmetrical triangular holes which are positioned at two sides of the spring clamp and used for the electric clamping jaws to grab the test tube rack; the cylindrical clamping jaw is inserted into the triangular hole and then closed, and the spring clamp is opened by extrusion force, so that the test tube rack can be lifted upwards; meanwhile, in order to facilitate the extrusion to open the spring clamp, arc-shaped grooves for avoiding positions are arranged on two sides of the fixing piece.

The plurality of mounting brackets 23 are uniformly distributed around the tray body 21 and are fixed to the tray body 22 by screws. The mounting bracket is of a U-shaped configuration and has two inwardly projecting stops 231 at the bottom, in a specific embodiment, the upper surfaces of the stops are flush with the upper surface of the mounting bracket, and a certain distance is left between the lower surfaces of the stops and the lower surface of the mounting bracket, preferably, the stops 231 and the mounting bracket 23 are integrally formed. The lower surface of dog 231 is fluted, and the recess is embedded to be equipped with magnet piece 232.

The test tube support 24 is located the inside of mounting bracket 23, and two lateral walls of test tube support 24 are connected through pivot 25 with two lateral walls of mounting bracket 23 respectively, and test tube support 24 can revolute the rotation of axes. The top of test tube holder is equipped with the step face for block test tube 30, test tube holder 24's lower surface outwards extends a boss 241, test tube holder 24 is magnetic material, adsorbs when boss 241 and magnet piece 232 pass through magnetic force together, and test tube holder 24 is the level setting, and test tube 30 in the test tube holder is vertical state and all test tube axes are on same face of cylinder. The design of the boss 241 may be such that the cuvette 30 can only be turned outwards. During centrifugation, because the effect of test tube received centrifugal force, the test tube holds in the palm the outside swing of magnetic force of overcoming the magnet piece, can make the test tube reach the horizontality to gain ideal centrifugal effect.

Of course, the above is only a specific application example of the present invention, and the protection scope of the present invention is not limited at all. In addition to the above embodiments, the present invention may have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of the present invention.

Claims

1. The centrifuge test tube rack is characterized by comprising a base (10) and a test tube tray (20), wherein the base (10) consists of a mandrel (11), a guide block (12) and a positioning block (13), and the bottom end of the mandrel (11) penetrates through the guide block (12) and is fixed on the positioning block (13); the test tube tray (20) comprises a tray body (21), a spring clamp (22), a mounting rack (23) and a test tube tray (24), wherein a through hole (211) through which the top end of the mandrel (11) can penetrate is formed in the center of the tray body (21), a limiting block (212) matched with the base (10) is arranged on the bottom surface of the tray body (21), the spring clamp (22) is fixedly connected to the center of the top surface of the tray body (21) and used for clamping the top end of the mandrel (11), the mounting rack (23) is uniformly and fixedly connected to the periphery of the tray body (21), and the test tube tray (24) is rotatably connected into the mounting rack (23);

the spring clamp (22) comprises a fixing piece (221) and two clamping pieces (222) which are arranged oppositely, one end of each clamping piece (222) is fixedly connected with the fixing piece (221) through a spring, the other end of each clamping piece is provided with an arc concave surface, and the fixing pieces are fixed on the top surface of the tray body (21) through screws.

2. The centrifuge tube rack according to claim 1, wherein the tube support (24) is rotatably connected to the mounting frame (23) by a shaft (25).

3. The centrifuge tube rack according to claim 1 or 2, wherein two stoppers (231) are provided in the mounting frame (23), and a boss (241) for limiting contacting with the stopper (231) is provided on the tube support (24).

4. The centrifuge tube rack according to claim 3, wherein a magnet block (232) is embedded at the bottom of the stop block (231), and the tube support (24) is made of magnetic material.

5. The centrifuge tube rack according to claim 1, further comprising test tubes (30), wherein all test tube axes are on the same cylindrical surface after the test tubes (30) are vertically snapped into the tube holders (24).

6. The centrifuge tube rack according to claim 1, characterized in that the clamping part of the mandrel (11) and the clamping piece (222) is provided with a ring-shaped clamping groove (111).