Sample loader of flow cytometer

Abstract

The utility model relates to a sample loader of a flow cytometer and belongs to the technical field of medical equipment. The flow cytometer sample loader comprises a bracket, a sample loading groove and a fixing clamp, a sponge barrel is arranged in the sample loading groove, the fixing clamp is arranged on the bracket and comprises a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm are oppositely arranged, and the sponge barrel is arranged in the sponge barrel. The first clamping arm and the second clamping arm are spliced to form a clamping groove matched with the sample loading groove, one side of the first clamping arm is rotationally matched with one side of the second clamping arm, and the other side of the first clamping arm is movably connected with the other side of the second clamping arm in a clamping manner. The flow cytometer sample loader disclosed by the utility model is reasonable in structural design, the sample loading groove is convenient to replace, the sample loading groove can be mounted by clamping the sample loading groove through the first clamping arm and the second clamping arm of the fixing clamp, and the sample loading groove is not easy to damage in the mounting process.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a flow cytometer sample loader. Background Art

[0002] A flow cytometer is a device that automatically analyzes and sorts cells. It is one of the essential instruments in the laboratory. Its current application scope in clinical and scientific research involves many fields such as oncology, hematology, and immunology.

[0003] The sample loading components of existing flow cytometers usually include a bracket and a sample loading slot. The bracket is set on a robotic arm, and the sample loading slot is set on the bracket, which plays an important role in accurately fixing the sample tube. The sample loading slot and the bracket are fixedly connected by screws, which makes the sample loading slot inconvenient to install and easy to damage during the installation process.

[0004] Therefore, it is very necessary to design a flow cytometer sampler that is convenient for replacing the sample tank. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a flow cytometer sample loader.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A flow cytometer sampler includes a bracket, a sample loading slot and a fixing clamp. The sample loading slot is a structure with a hollow interior and an open upper end. A sponge tube is provided in the sample loading slot. The fixing clamp is provided on the bracket. The fixing clamp includes a first clamp arm and a second clamp arm. The first clamp arm and the second clamp arm are arranged opposite to each other. When the first clamp arm and the second clamp arm are assembled, a clamping groove adapted to the sample loading slot is formed. One side of the first clamp arm is rotatably matched with one side of the second clamp arm, and the other side of the first clamp arm is movably engaged with the other side of the second clamp arm.

[0008] As a preferred embodiment of the present invention, the side wall of the sponge tube is provided with a groove, and the groove extends along the height direction of the sponge tube.

[0009] As a preferred embodiment of the present invention, the sample loading tank is made of transparent plastic material.

[0010] As a preferred embodiment of the present invention, the flow cytometer sample loader also includes a rotating shaft, the bracket is provided with a threaded hole, the rotating shaft includes an end cap, a smooth portion and a threaded portion connected in sequence, a first joint is provided on one side of the first clamping arm, a second joint is provided on one side of the second clamping arm, the first joint and the second joint are both provided with a through hole, the threaded portion of the rotating shaft is connected to the threaded hole of the bracket, the smooth portion of the rotating shaft is inserted into the through hole, and the first joint and the second joint are clamped between the bracket and the end cap of the rotating shaft.

[0011] Furthermore, a first limit seat is provided on the other side of the first clamping arm, and a second limit seat is provided on the other side of the second clamping arm. A hook is provided on the end of the first limit seat away from the first clamping arm, and a non-return hook is provided on the end of the second limit seat away from the second clamping arm. The first limit seat and the second limit seat are movably connected by the hook and the non-return hook.

[0012] Furthermore, the flow cytometer sample loader also includes a limiting shaft, which is arranged on the bracket. When the first limiting seat and the second limiting seat are engaged, a limiting hole adapted to the limiting shaft is formed, and the limiting hole is located between the hook and the clamping groove.

[0013] As a preferred embodiment of the present invention, the inner wall of the clamping groove is provided with a limiting protrusion, and the outer wall of the loading groove is provided with a limiting groove adapted to the limiting protrusion.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The structure design of the flow cytometer sampler of the utility model is reasonable, and the sample loading slot is convenient to replace. The utility model arranges a fixing clamp on the bracket, and the first clamping arm and the second clamping arm of the fixing clamp are used to clamp the sample loading slot, so that the sample loading slot can be installed, and the sample loading slot is not easily damaged during the installation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the flow cytometer sample loader provided by the utility model;

[0017] Figure 2 A schematic diagram of the structure of the fixing clip provided by the utility model;

[0018] Figure 3 This is a three-dimensional diagram of the sample loading trough provided by the utility model.

[0019] In the figure, 1- bracket, 2- fixing clamp, 21- first clamping arm, 22- second clamping arm, 23- clamping groove, 24- first joint, 25- second joint, 26- first limiting seat, 261- hook, 27- second limiting seat, 271- non-return hook, 28- limiting hole, 29- limiting protrusion, 3- loading slot, 31- limiting slot, 4- rotating shaft, 5- limiting shaft, 6- sponge tube, 61- slot. DETAILED DESCRIPTION

[0020] In order to better illustrate the purpose, technical solutions and advantages of the present invention, the present invention will be further described below in conjunction with specific embodiments.

[0021] See also Figures 1 to 3 The utility model provides a flow cytometer sampler including a bracket 1, a sample loading slot 3 and a fixing clamp 2. The sample loading slot 3 is a structure with a hollow interior and an open upper end. A sponge tube is provided in the sample loading slot 3. The fixing clamp 2 is provided on the bracket 1. The fixing clamp 2 includes a first clamping arm 21 and a second clamping arm 22. The first clamping arm 21 and the second clamping arm 22 are arranged opposite to each other. When the first clamping arm 21 and the second clamping arm 22 are assembled, a clamping slot 23 adapted to the sample loading slot 3 is formed. One side of the first clamping arm 21 is rotatably matched with one side of the second clamping arm 22, and the other side of the first clamping arm 21 is movably engaged with the other side of the second clamping arm 22.

[0022] The structure design of the flow cytometer sampler provided by the present invention is reasonable, and the sample loading slot 3 is convenient to replace. The present invention arranges a fixing clamp 2 on the bracket 1, and uses the first clamping arm 21 and the second clamping arm 22 of the fixing clamp 2 to clamp the sample loading slot 3, so that the sample loading slot 3 can be installed, and the sample loading slot 3 is not easily damaged during the installation process.

[0023] In one embodiment, the sample loading tank 3 is made of transparent plastic, and the side wall of the sponge tube 6 is provided with a slot 61, which extends along the height direction of the sponge tube 6. When in use, the sample tube is inserted into the sponge tube 6, and the provision of the slot 61 makes it convenient for the operator to observe the condition of the sample tube in the sample loading tank 3.

[0024] In one embodiment, the flow cytometer sampler further includes a rotating shaft 4, the bracket 1 is provided with a threaded hole, the rotating shaft 4 includes an end cap, a smooth portion and a threaded portion connected in sequence, a first joint 24 is provided on one side of the first clamping arm 21, and a second joint 25 is provided on one side of the second clamping arm 22. The first joint 24 and the second joint 25 are both provided with through holes, the threaded portion of the rotating shaft 4 is connected to the threaded hole of the bracket 1, the smooth portion of the rotating shaft 4 is inserted into the through hole, and the first joint 24 and the second joint 25 are clamped between the bracket 1 and the end cap of the rotating shaft 4.

[0025] Specifically, a first limit seat 26 is provided on the other side of the first clamping arm 21, and a second limit seat 27 is provided on the other side of the second clamping arm 22. A hook 261 is provided on the end of the first limit seat 26 away from the first clamping arm 21, and a non-return hook 271 is provided on the end of the second limit seat 27 away from the second clamping arm 22. The first limit seat 26 and the second limit seat 27 are movably engaged with each other through the hook 261 and the non-return hook 271.

[0026] The flow cytometer sample loader also includes a limiting shaft 5, which is located between the first limiting seat 26 and the second limiting seat 27. The limiting shaft 5 is set on the bracket 1, the first limiting seat 26 has a first notch, and the second limiting seat 27 has a second notch. The first notch and the second notch are opposite to each other. When the first limiting seat 26 and the second limiting seat 27 are engaged, the first notch and the second notch are combined to form a limiting hole 28 that is adapted to the limiting shaft 5. The limiting hole 28 is located between the hook 261 and the clamping groove 23.

[0027] The limiting shaft 5 and the bracket 1 are fixed by threaded connection or welding.

[0028] During use, when the first limiting seat 26 and the second limiting seat 27 are engaged, the limiting shaft 5 is inserted into the limiting hole 28 formed by the first notch and the second notch, thereby preventing the fixing clip 2 from moving or shaking relative to the bracket 1 during the movement of the bracket 1.

[0029] The first joint 24 , the first clamping arm 21 and the first limiting seat 26 are integrally formed and connected, and the second joint 25 , the second clamping arm 22 and the second limiting seat 27 are integrally formed and connected.

[0030] In one embodiment, the inner wall of the clamping groove 23 is provided with a limiting protrusion 29, and the outer wall of the sample loading groove 3 is provided with a limiting groove adapted to the limiting protrusion 29. The limiting protrusion 29 and the limiting groove are engaged and abutted to form a stable limiting structure, so that the fixing clamp 2 can clamp the sample loading groove 3 more stably.

[0031] When the sample loading slot 3 needs to be installed, the first clamping arm 21 and the second clamping arm 22 are opened, and the sample loading slot 3 is placed between the first clamping arm 21 and the second clamping arm 22, and the first limiting seat 26 of the first clamping arm 21 and the second limiting seat 27 of the second clamping arm 22 are tightened and connected toward each other, so that the sample loading slot 3 is inserted into the clamping slot 23 formed when the first clamping arm 21 and the second clamping arm 22 are spliced ​​together, and the limiting protrusion 29 is inserted into the limiting groove of the sample loading slot 3, and at the same time, the limiting shaft 5 is inserted into the limiting hole 28 formed when the first limiting seat 26 and the second limiting seat 27 are engaged, so that the sample loading slot 3 and the fixing clamp 2 are not easily shaken relative to the bracket 1 when the robotic arm drives the bracket 1 to move.

[0032] In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. All directional indicators (such as "up" and "down") in the present invention are only used to explain the relative positional relationship, movement, etc. between the various components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indicator will also change accordingly.

[0033] In the description of the present invention, it should also be noted that the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions.

[0034] In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense. For example, it can be a direct connection or an indirect connection through an intermediate medium.

[0035] For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention may be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A flow cytometer sample loader, characterized in that: It includes a bracket, a sample loading groove and a fixing clamp. The sample loading groove is a structure with a hollow interior and an open upper end. A sponge tube is provided in the sample loading groove. The fixing clamp is provided on the bracket. The fixing clamp includes a first clamp arm and a second clamp arm. The first clamp arm and the second clamp arm are arranged opposite to each other. When the first clamp arm and the second clamp arm are assembled, a clamping groove adapted to the sample loading groove is formed. One side of the first clamp arm is rotatably matched with one side of the second clamp arm, and the other side of the first clamp arm is movably engaged with the other side of the second clamp arm.

2. The flow cytometer sample loader according to claim 1, wherein The side wall of the sponge tube is provided with a groove, and the groove extends along the height direction of the sponge tube.

3. The flow cytometer sample loader according to claim 1, wherein The sample loading tank is made of transparent plastic.

4. The flow cytometer sample loader according to claim 1, wherein It also includes a rotating shaft, the bracket is provided with a threaded hole, the rotating shaft includes an end cover, a smooth part and a threaded part connected in sequence, a first joint is provided on one side of the first clamping arm, a second joint is provided on one side of the second clamping arm, the first joint and the second joint are both provided with a through hole, the threaded part of the rotating shaft is connected to the threaded hole of the bracket, the smooth part of the rotating shaft is inserted into the through hole, and the first joint and the second joint are clamped between the bracket and the end cover of the rotating shaft.

5. The flow cytometer sample loader according to claim 4, wherein A first limit seat is provided on the other side of the first clamping arm, and a second limit seat is provided on the other side of the second clamping arm. A hook is provided on the end of the first limit seat away from the first clamping arm, and a non-return hook is provided on the end of the second limit seat away from the second clamping arm. The first limit seat and the second limit seat are movably engaged with each other through the hook and the non-return hook.

6. The flow cytometer sample loader according to claim 5, wherein It also includes a limiting shaft, which is arranged on the bracket. When the first limiting seat and the second limiting seat are engaged, a limiting hole adapted to the limiting shaft is formed, and the limiting hole is located between the hook and the clamping groove.

7. The flow cytometer sample loader according to claim 1, wherein The inner wall of the clamping groove is provided with a limiting protrusion, and the outer wall of the loading groove is provided with a limiting groove adapted to the limiting protrusion.

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