CN216132768U

CN216132768U - Multifunctional sampling tube for clinical biochemical examination

Info

Publication number: CN216132768U
Application number: CN202122095696.9U
Authority: CN
Inventors: 胡娟娟; 杨玉琪; 张莹; 刘家云
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-03-25
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a multifunctional sampling tube for clinical biochemical examination, which relates to the technical field of clinical biochemical examination equipment and comprises a sampling tube, wherein a piston can generate negative pressure in the sampling tube when moving in the sampling tube, so that a liquid sample is sucked into the sampling tube to finish the sampling work of the liquid sample; when the two rotating plates rotate to be in contact with each other, the solid sample can be stirred into the through hole of the sampling block, and the solid sample is sampled; the annular T-shaped groove is matched with the protrusion, so that the second sleeve can be prevented from being separated from the first sleeve; the cross sections of the sampling blocks and the rotating plate are rectangular structures, so that the lower ends of the sampling blocks can be completely plugged when the two sampling blocks are in contact, and solid samples are prevented from falling off. The utility model has simple and reliable structure, complete functions and strong practicability, can respectively sample solid samples and liquid samples, and is suitable for popularization.

Description

Multifunctional sampling tube for clinical biochemical examination

Technical Field

The utility model relates to the technical field of clinical biochemical examination equipment, in particular to a multifunctional sampling tube for clinical biochemical examination.

Background

The sampling tube is one of various sampling devices, various biochemical samples are checked and extracted through the sampling tube, the biochemical samples are stored in the sampling tube for inspection work, the sampling tube is a common tool in various inspection work, and the sampling tube is widely applied to medical treatment, chemical industry and various laboratories and provides a place for storing or transferring the inspection samples.

Most of the existing sampling tubes for clinical biochemical examination are glass or plastic liquid sampling tubes, and can not sample various samples in different forms simultaneously in work, so that the sampling tubes are single in functionality and poor in practicability.

Disclosure of Invention

The utility model provides a multifunctional sampling tube for clinical biochemical examination, which aims to solve the problems that the existing sampling tube cannot sample various samples in different forms at the same time and has single function.

The technical scheme of the utility model is as follows: a multifunctional sampling tube for clinical biochemical examination comprises a fixed tube, a sampling tube, a pull rod and a solid sampling device; a sampling tube is arranged in the fixed tube and is in threaded connection with the inner wall of the upper end of the fixed tube, a piston is connected in the sampling tube in a sliding manner, the upper end of the piston is connected with a pull rod, and the upper end of the pull rod penetrates through the sampling tube and is connected with a handle; the fixed pipe lower extreme is equipped with mobilizable solid sampling device, the sampling tube lower extreme slides and can dismantle with solid sampling device and be connected.

Further, the lower end of the sampling tube is of a conical structure.

Furthermore, sampling tube upper end both sides all are equipped with the gag lever post, the gag lever post can be dismantled with fixed pipe and be connected.

Further, solid sampling device includes sampling piece, rotor plate, first sleeve, second sleeve and connecting rod, sampling piece and fixed pipe lower extreme fixed connection, be equipped with the through-hole with fixed pipe through connection on the sampling piece, the setting that the sampling pipe slides and can dismantle the connection is in the through-hole, sampling piece lower extreme both sides all rotate and are connected with the rotor plate, two the connection can be dismantled to rotor plate first end, the cover of spiro union is equipped with first sleeve on the fixed pipe, first sleeve lower extreme rotates and is connected with the second sleeve, second sleeve sliding connection's cover is established on fixed pipe, it is articulated through the connecting rod all between second sleeve and two rotor plate second ends.

Furthermore, the cross sections of the sampling block and the rotating plate are both rectangular structures.

Further, first sleeve pipe lower extreme is equipped with annular T type groove, be equipped with the matched with arch on the second sleeve pipe, protruding sliding connection's setting is in annular T type inslot.

The utility model has the advantages that: when the piston moves in the sampling tube, negative pressure can be generated in the sampling tube, so that a liquid sample is sucked into the sampling tube, and the sampling work of the liquid sample is completed; when the two rotating plates rotate to be in contact with each other, the solid sample can be stirred into the through hole of the sampling block, and the solid sample is sampled; when the sampling tube rotates, the lower end of the sampling tube can be retracted into the fixed tube, so that the sampling tube is prevented from influencing solid sampling work; the first sleeve, the second sleeve and the connecting rod are matched to ensure that the two rotating plates rotate simultaneously; the annular T-shaped groove is matched with the protrusion, so that the second sleeve can be prevented from being separated from the first sleeve; the cross sections of the sampling blocks and the rotating plate are rectangular structures, so that the lower ends of the sampling blocks can be completely plugged when the two sampling blocks are in contact, and solid samples are prevented from falling off. The utility model has simple and reliable structure, complete functions and strong practicability, can respectively sample solid samples and liquid samples, and is suitable for popularization.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

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

FIG. 2 is a schematic structural view of a solid sampling device of the present invention;

FIG. 3 is a schematic view of a second embodiment of the solid sampling device of the present invention;

FIG. 4 is a schematic view of the bump mounting of the present invention;

fig. 5 is a schematic view of the installation of the rotating plate of the present invention.

Reference numerals:

1 is a fixed tube, 2 is a sampling tube, 3 is a piston, 4 is a pull rod, 5 is a handle, 6 is a solid sampling device, 601 is a sampling block, 602 is a rotating plate, 603 is a first sleeve, 604 is a second sleeve, 605 is a connecting rod, 606 is a protrusion, and 7 is a limiting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, a multifunctional sampling tube for clinical biochemical examination includes a fixing tube 1, a sampling tube 2, a pull rod 4 and a solid sampling device 6; a sampling tube 2 is arranged in the fixed tube 1, the sampling tube 2 can sample the liquid sample, the sampling tube 2 is in threaded connection with the inner wall of the upper end of the fixed tube 1, the sampling tube 2 can be rotated to adjust the position of the sampling tube 2 in the fixed tube 1, and the sampling tube 2 can be detached from the fixed tube 1, the sampling tube 2 is connected with a piston 3 in a sliding way, the upper end of the piston 3 is connected with a pull rod 4, the upper end of the pull rod 4 penetrates through the sampling tube 2 and is connected with a handle 5, by pulling the handle 5, the piston 3 can be driven to move in the sampling tube 2, negative pressure is generated in the sampling tube 2 at the moment, the liquid sample can be sucked into the sampling tube 2, the lower end of the sampling tube 2 is of a conical structure, so that the liquid sample can be better sampled, the two sides of the upper end of the sampling tube 2 are respectively provided with a limiting rod 7, the limiting rods 7 are detachably connected with the fixed tube 1, the limiting rods 7 can limit the moving range of the sampling tube 2, and meanwhile, the sampling tube 2 can be held by hands for sampling; the lower end of the fixed pipe 1 is provided with a movable solid sampling device 6, the lower end of the sampling pipe 2 is connected with the solid sampling device 6 in a sliding and detachable mode, the solid sampling device 6 can sample a solid sample, the solid sampling device 6 comprises a sampling block 601, a rotating plate 602, a first sleeve 603, a second sleeve 604 and a connecting rod 605, the sampling block 601 is fixedly connected with the lower end of the fixed pipe 1, the sampling block 601 is provided with a through hole communicated with the fixed pipe 1, the sampling pipe 2 is arranged in the through hole in a sliding and detachable mode, when the solid sampling is carried out, the sampling pipe 2 can be rotated to control the sampling pipe 2 to move upwards, the lower end of the sampling pipe 2 is ensured to be located above the sampling block 601, and the sampling pipe 2 is prevented from influencing the solid sampling work; the two sides of the lower end of the sampling block 601 are rotatably connected with rotating plates 602, the first ends of the two rotating plates 602 are detachably connected, when the two rotating plates 602 rotate to be contacted with each other simultaneously, the solid sample can be shifted into the through hole of the sampling block 601 to finish the sampling work of the solid sample, a first sleeve 603 is sleeved on the fixed tube 1 in a threaded manner, the first sleeve 603 can move up and down along the fixed tube 1 when rotating, the lower end of the first sleeve 603 is rotatably connected with a second sleeve 604, the second sleeve 604 is sleeved on the fixed tube 1 in a sliding connection manner, the second sleeve 604 is hinged to the second ends of the two rotating plates 602 through a connecting rod 605, the first sleeve 603 can drive the second sleeve 604 to move up and down, and the second sleeve 604 does not rotate, under the driving of the connecting rod 605, the second sleeve 604 can drive the two rotating plates 602 to rotate simultaneously when moving up and down, thereby completing the solid sampling work; first sleeve 603 lower extreme is equipped with annular T type groove, is equipped with matched with arch 606 on the second sleeve 604, and arch 606 sliding connection's setting is in annular T type inslot, and annular T type groove and protruding 606 cooperation can avoid second sleeve 604 to break away from first sleeve 603, and sample piece 601 and rotor plate 602 cross section are the rectangle structure, when guaranteeing two sample pieces 601 contacts, can stop up sample piece 601 lower extreme completely, avoid the solid sample to drop.

The use method of the utility model comprises the following steps: when a liquid sample needs to be sampled, the sampling tube 2 is rotated, the sampling tube 2 is controlled by the limiting rod 7 to move downwards until the limiting rod 7 is contacted with the fixed tube 1, the lower end of the sampling tube 2 protrudes out of the sampling block 601 at the moment, then the lower end of the sampling tube 2 is inserted into the liquid sample, the handle 5 is pulled to drive the piston 3 to move in the sampling tube 2, negative pressure is generated in the sampling tube 2 at the moment, the liquid sample is sucked into the sampling tube 2, and the sampling work of the liquid sample is completed;

when needs carry out the solid sample, through gag lever post 7 antiport sampling tube 2, control sampling tube 2 rebound, retrieve in the fixed tube 1 with sampling tube 2, then insert the solid sample with sample block 601, rotate first sleeve 603, first sleeve 603 moves down along fixed tube 1, and then drive second sleeve 604 and move down, under the drive of connecting rod 605, two rotor plates 602 rotate simultaneously and are close to each other, stir the solid sample when rotor plate 602 pivoted, when two rotor plates 602 contact each other, the solid sample is stirred to in the through-hole of sample block 601, the sampling work to the solid sample is accomplished.

When the piston moves in the sampling tube, negative pressure can be generated in the sampling tube, so that a liquid sample is sucked into the sampling tube, and the sampling work of the liquid sample is completed; when the two rotating plates rotate to be in contact with each other, the solid sample can be stirred into the through hole of the sampling block, and the solid sample is sampled; when the sampling tube rotates, the lower end of the sampling tube can be retracted into the fixed tube, so that the sampling tube is prevented from influencing solid sampling work; the first sleeve, the second sleeve and the connecting rod are matched to ensure that the two rotating plates rotate simultaneously; the annular T-shaped groove is matched with the protrusion, so that the second sleeve can be prevented from being separated from the first sleeve; the cross sections of the sampling blocks and the rotating plate are rectangular structures, so that the lower ends of the sampling blocks can be completely plugged when the two sampling blocks are in contact, and solid samples are prevented from falling off. The utility model has simple and reliable structure, complete functions and strong practicability, can respectively sample solid samples and liquid samples, and is suitable for popularization.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A multifunctional sampling tube for clinical biochemical examination is characterized by comprising a fixed tube (1), a sampling tube (2), a pull rod (4) and a solid sampling device (6); a sampling tube (2) is arranged in the fixed tube (1), the sampling tube (2) is in threaded connection with the inner wall of the upper end of the fixed tube (1), a piston (3) is connected in the sampling tube (2) in a sliding manner, the upper end of the piston (3) is connected with a pull rod (4), and the upper end of the pull rod (4) penetrates through the sampling tube (2) and is connected with a handle (5); the lower end of the fixed pipe (1) is provided with a movable solid sampling device (6), and the lower end of the sampling pipe (2) slides and is detachably connected with the solid sampling device (6).

2. A multifunctional sampling tube for clinical biochemical examination according to claim 1, characterized in that: the lower end of the sampling tube (2) is of a conical structure.

3. A multifunctional sampling tube for clinical biochemical examination according to claim 2, characterized in that: sampling tube (2) upper end both sides all are equipped with gag lever post (7), gag lever post (7) can be dismantled with fixed pipe (1) and be connected.

4. A multifunctional sampling tube for clinical biochemical examination according to claim 1, characterized in that: the solid sampling device (6) comprises a sampling block (601), a rotating plate (602), a first sleeve (603), a second sleeve (604) and a connecting rod (605), the sampling block (601) is fixedly connected with the lower end of the fixed pipe (1), a through hole communicated with the fixed pipe (1) is arranged on the sampling block (601), the sampling tube (2) is arranged in the through hole in a sliding and detachable connection manner, two sides of the lower end of the sampling block (601) are rotatably connected with rotating plates (602), the first ends of the two rotating plates (602) are detachably connected, a first sleeve (603) is sleeved on the fixed pipe (1) in a threaded manner, the lower end of the first sleeve (603) is rotatably connected with a second sleeve (604), the second sleeve (604) is sleeved on the fixed pipe (1) in a sliding connection way, the second sleeve (604) is hinged with the second ends of the two rotating plates (602) through a connecting rod (605).

5. A multifunctional sampling tube for clinical biochemical examination according to claim 4, characterized in that: the cross sections of the sampling block (601) and the rotating plate (602) are both rectangular structures.

6. A multifunctional sampling tube for clinical biochemical examination according to claim 4, characterized in that: first sleeve (603) lower extreme is equipped with annular T type groove, be equipped with matched with arch (606) on second sleeve (604), arch (606) sliding connection's setting is in annular T type inslot.