CN220405680U

CN220405680U - Reagent solution extracting device

Info

Publication number: CN220405680U
Application number: CN202321901161.9U
Authority: CN
Inventors: 罗紫豪; 陈波; 刘显波
Original assignee: Sichuan Apak Biotechnology Co ltd
Current assignee: Sichuan Apak Biotechnology Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-01-30
Anticipated expiration: 2033-07-19

Abstract

The present utility model provides a reagent solution extraction device, comprising: the clamping and extracting assembly is movably arranged on the transverse moving frame along the length direction of the transverse moving frame and is used for accommodating and extracting the syringe; the clamping and extracting assembly comprises: the back frame is movably arranged on the transverse moving frame; the lower pressure cylinder is vertically arranged on the back frame, and the movable end of the lower pressure cylinder is provided with an upper transverse plate; the accommodating cavity is connected with the bottom surface of the upper transverse plate through a vertical rod and is used for accommodating the injector and limiting the injector; the extraction cylinder is arranged on the bottom surface of the upper transverse plate, the movable end of the extraction cylinder is vertically downwards arranged, and the extraction cylinder is connected with a pulling plate and is used for acting on the end part of a piston rod of the injector to extract. After the injector is fed into the accommodating cavity, the solution can be automatically extracted from the sealed reagent bottles, and the batch extraction efficiency can be improved.

Description

Reagent solution extracting device

Technical Field

The utility model belongs to biological and chemical experiment technology and apparatus, and in particular relates to a reagent solution extracting device.

Background

In the biomedical detection, chemical test analysis or solution preparation process, various reagents are required, and some of the reagents are packaged in a bottle body with a rubber sealing cover, so that the reagents need to be uncapped for taking materials or extracted by a syringe, and then extracted liquid is added into a test tube or other containers.

At present, the extraction mode is mainly adopted to finish the process by means of a disposable syringe, so that the complicated process of opening the cover can be omitted, and the liquid can be kept from contacting the outside. When the extraction is carried out, the injector is held by an operator to carry out the extraction, and the method is more suitable under the condition that the operator has higher proficiency and the frequency and the number of the extraction are not large; however, this approach is time consuming and laborious if frequent extraction is required and there is a certain accuracy requirement for the amount of extraction.

Disclosure of Invention

In order to solve the above-mentioned related art shortcomings, the present utility model provides a reagent solution extracting device, which can automatically complete the extraction of the solution from the sealed reagent bottle after the injector is loaded in the accommodating cavity, and can improve the batch extraction efficiency.

In order to achieve the object of the utility model, the following scheme is adopted:

a reagent solution extraction device comprising:

a transverse moving frame; and

at least one clamping and extracting assembly is movably arranged on the transverse moving frame along the length direction of the transverse moving frame and is used for accommodating and extracting the injector;

wherein, the centre gripping extraction subassembly includes:

the back frame is movably arranged on the transverse moving frame;

the lower pressure cylinder is vertically arranged on the back frame, and the movable end of the lower pressure cylinder is provided with an upper transverse plate;

the accommodating cavity is connected with the bottom surface of the upper transverse plate through a vertical rod and is used for accommodating the injector and limiting the injector;

the extraction cylinder is arranged on the bottom surface of the upper transverse plate, the movable end of the extraction cylinder is vertically downwards arranged, and the extraction cylinder is connected with a pulling plate and is used for acting on the end part of a piston rod of the injector to extract.

Further, the holding chamber includes spacing chamber and connects in the semicircle post cover of spacing chamber bottom, and spacing chamber passes through the montant and connects the diaphragm bottom surface, and semicircle post cover is used for the barrel of holding syringe, spacing chamber one side opening for the limit wing of the barrel of holding syringe, spacing chamber bottom surface and top surface have the indent, and the indent and the semicircle post cover intercommunication of bottom surface, the indent of top surface are used for the piston rod of holding syringe.

Further, the top surface of the limiting cavity is provided with a through hole, and a vertically moving compression column is arranged in the through hole. The pressing column is connected with the pressing plate, the pressing plate is connected to the movable end of a pressing cylinder, and the pressing cylinder is installed on the accommodating cavity through the support.

The utility model has the beneficial effects that:

1. through the structural design of the accommodating cavity, the accommodating, limiting and taking down of the injector are facilitated, and the solution can be automatically extracted from the sealed reagent bottle by combining the arrangement of the lower pressure cylinder, the extraction cylinder and the pulling plate;

2. when the clamping and extracting assembly is arranged along the transverse moving frames, an array can be formed, solution extraction is carried out on the lower array and the fixed reagent bottles in batches, and batch extraction efficiency is improved.

Drawings

Fig. 1 shows a schematic structural view of a reagent solution extraction device according to an embodiment of the present application.

Fig. 2 is a schematic perspective view of a clamping and extracting assembly according to an embodiment of the present application.

Fig. 3 shows a schematic side view of a clamp extraction assembly structure according to an embodiment of the application.

Fig. 4 shows a schematic structural view of a receiving chamber according to an embodiment of the present application.

Fig. 5 shows a schematic view of a compression column and a platen structure according to an embodiment of the present application.

Fig. 6 shows a schematic diagram of the cooperation of the pulling plate and the piston rod of the syringe according to the embodiment of the present application.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, but the described embodiments of the present utility model are some, but not all embodiments of the present utility model.

The embodiment of the application provides a reagent solution extraction device, as shown in fig. 1, comprising a traversing rack 1 and a clamping extraction assembly 2.

Wherein, sideslip frame 1 level sets up, and is equipped with the spout along length direction. At least one of the clamping and extracting assemblies 2, as shown in fig. 1, can be provided for accommodating and extracting the syringes 3, so that batch operation is facilitated. The clamping and extracting components 2 are respectively in sliding fit in the sliding grooves so as to realize moving arrangement along the length direction of the transverse moving frame 1.

When the device is applied, the packaged reagent bottles are required to be fixed on the frame body and placed below the device in the embodiment, then the injector 3 for extracting the solution is arranged on the clamping and extracting assembly 2, and then the device is in a state to be extracted by adjusting the position of each clamping and extracting assembly 2 or adjusting the position of the reagent bottles on the frame body so that each clamping and extracting assembly 2 corresponds to one reagent bottle.

Specifically, as shown in fig. 2 to 3, the clamping and extracting assembly 2 includes a back frame 21, a lower pressure cylinder 22, an upper cross plate 23, an extracting cylinder 24, a vertical rod 25, a receiving chamber 26, and the like.

The back frame 21 is used for bearing other components, and is in sliding fit in the sliding groove of the transverse moving frame 1, specifically, locking plates can be arranged on two sides of the back frame 21, locking after the position of the back frame 21 is moved is achieved by using bolts penetrating through the locking plates, and position adjustment of the back frame 21 on the transverse moving frame 1 can be driven by using a screw motor assembly or a linear mechanism similar to a screw electric cylinder.

The lower pressure cylinder 22 is vertically arranged on the back frame 21, the movable end of the lower pressure cylinder is upwards arranged, and the upper transverse plate 23 is connected to the movable end of the lower pressure cylinder 22; the accommodating cavity 26 is connected with the bottom surface of the upper transverse plate 23 through a vertical rod 25 and is used for accommodating the injector 3 and limiting the injector 3; the extraction cylinder 24 is mounted on the bottom surface of the upper transverse plate 23, and has a movable end disposed vertically downward, and is connected with a pulling plate 241 for acting on the end of the piston rod of the syringe 3 to perform extraction.

Specifically, when the syringe 3 is accommodated on the clamping and extracting assembly 2, the syringe 3 is accommodated in the accommodating cavity 26 and is limited by the accommodating cavity 26. When the device is in the state to be extracted, the extraction operation can be started, firstly, the sheaths of the needle parts of the syringes 3 are sequentially removed, and the upper transverse plate 23 and the accommodating cavity 26 are lowered together by the lower air cylinder 22 so that the needle parts of the syringes 3 penetrate through the rubber sealing cover of the reagent bottle positioned below and extend into the bottle body; then, the movable end thereof is recovered by the extraction cylinder 24, and the pulling plate 241 is made to act on the piston rod end of the syringe 3 to move upward with the piston rod end of the syringe 3, so as to perform extraction. When the required amount is extracted, the extraction cylinder 24 is stopped, then the lower cylinder 22 is used for lifting the upper transverse plate 23 and the accommodating cavity 26 together, so that the needle part of the syringe 3 is separated from the reagent bottle, and then the needle part can be protected again for protecting the sheath, and the syringe 3 can be taken down; then, the extracted liquid can be processed according to the subsequent liquid preparation needs, analysis needs, detection needs and the like.

Specifically, in order to facilitate loading and unloading of the injector 3 and achieve accommodating and limiting of the injector, the accommodating cavity 26 may adopt an example structure as shown in fig. 4, where the accommodating cavity 26 includes a limiting cavity 262 and a semi-circular cylindrical sleeve 261 connected to the bottom of the limiting cavity 262, the limiting cavity 262 is connected to the bottom surface of the upper transverse plate 23 through a vertical rod 25, the semi-circular cylindrical sleeve 261 is used for accommodating a barrel of the injector 3, one side of the limiting cavity 262 is opened and is used for accommodating a side wing of the barrel of the injector 3, the bottom surface and the top surface of the limiting cavity 262 have concave portions, the concave portions of the bottom surface are communicated with the semi-circular cylindrical sleeve 261, and the concave portions of the top surface are used for accommodating a piston rod of the injector 3 as shown in fig. 2. With this example structure, the syringe 3 is conveniently clamped into the accommodating cavity 26 from one side, after the syringe 3 is clamped into the semicircular column sleeve 261, the side wings at the tail end of the syringe 3 are positioned in the limiting cavity 262, and the limiting cavity 262 limits the side wings, so that the limit of the syringe 3 is realized. And the length of the half-arc sleeve 261 is set to be smaller than the length of the barrel portion to facilitate the operation when removing the syringe 3.

In order to improve the limiting effect or to clamp and fix the limiting injector 3, as shown in fig. 4, a through hole 263 may be disposed on the top surface of the limiting cavity 262, and a vertically moving compression column 272 may be disposed in the through hole 263, as shown in fig. 3, and the vertically moving compression column 272 acts on the side wing already limited in the limiting cavity 262 to realize clamping and fixing. Specifically, as shown in fig. 5, the vertical movement of the pressing column 272 can be realized through the pressing cylinder 27, the pressing cylinder 27 is installed on the accommodating cavity 26 through a bracket, the movable end of the pressing cylinder 27 is connected with the pressing plate 271, and the pressing column 272 is connected with the pressing plate 271, so that the pressing plate 271 is driven to press down through the movable end of the pressing cylinder 27, the pressing column 272 presses the edge wing, the clamping and fixing are realized, and the stability of the subsequent extraction operation is guaranteed. Preferably, two through holes 263 are located at two sides of the concave portion, compression columns 272 are arranged in the through holes 263, and the compression columns 272 are connected to the pressing plate 271, so that both side wings can be compressed, and clamping and fixing effects are ensured.

In order to facilitate the installation of the injector 3 to the clamping and extracting assembly 2, the installation mode is convenient, only the clamping is needed, after the clamping, the position of a piston rod of the injector is matched with the pulling plate 241 of the movable end of the extracting cylinder 24, as shown in fig. 6, the pulling plate 241 is arranged to be concave and face the piston rod of the injector 3, the cross section of the piston rod is generally cross-shaped, the concave of the pulling plate 241 is convenient to be matched with the side face of the piston rod of the injector 3, the pulling plate 241 can be arranged on the back side of the installation direction of the piston rod, the piston rod of the injector 3 can be matched with the concave of the pulling plate 241 after the installation, and the top surface of the pulling plate 241 contacts with the end part of the piston rod of the injector 3 or has smaller distance after the clamping, so that the pulling plate 241 can act on the end part of the piston rod well when the pulling plate 241 is retracted upwards by the extracting cylinder 24, and the extraction is realized.

The foregoing description of the preferred embodiments of the utility model is merely exemplary and is not intended to be exhaustive or limiting of the utility model. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.

Claims

1. A reagent solution extraction device, comprising:

a traversing rack (1); and

at least one clamping and extracting assembly (2) is movably arranged on the transverse moving frame (1) along the length direction of the transverse moving frame (1) and is used for accommodating and extracting the injector (3);

wherein the clamping and extracting assembly (2) comprises:

a back frame (21) movably arranged on the transverse moving frame (1);

a lower pressure cylinder (22) vertically arranged on the back frame (21), and an upper transverse plate (23) is arranged at the movable end of the lower pressure cylinder;

the accommodating cavity (26) is connected with the bottom surface of the upper transverse plate (23) through a vertical rod (25) and is used for accommodating the injector (3) and limiting the injector (3);

the extraction cylinder (24) is arranged on the bottom surface of the upper transverse plate (23), the movable end of the extraction cylinder is vertically downwards arranged, and the extraction cylinder is connected with a pulling plate (241) and is used for acting on the end part of a piston rod of the injector (3) to extract.

2. The reagent solution extraction device according to claim 1, wherein the accommodating cavity (26) comprises a limiting cavity (262) and a semi-circular cylindrical sleeve (261) connected to the bottom of the limiting cavity (262), the limiting cavity (262) is connected with the bottom surface of the upper transverse plate (23) through a vertical rod (25), the semi-circular cylindrical sleeve (261) is used for accommodating the barrel part of the syringe (3), one side of the limiting cavity (262) is opened and used for accommodating the side wing of the barrel part of the syringe (3), the bottom surface and the top surface of the limiting cavity (262) are provided with concave parts, the concave parts of the bottom surface are communicated with the semi-circular cylindrical sleeve (261), and the concave parts of the top surface are used for accommodating the piston rod of the syringe (3).

3. The reagent solution extraction device according to claim 2, wherein the top surface of the limiting chamber (262) is provided with a through hole (263), and a vertically movable compression column (272) is arranged in the through hole (263).

4. A reagent solution drawing apparatus according to claim 3, wherein the pressing column (272) is connected to the pressing plate (271), the pressing plate (271) is connected to a movable end of a pressing cylinder (27), and the pressing cylinder (27) is mounted on the accommodating chamber (26) by a bracket.

5. The reagent solution sampling device according to claim 4, wherein there are two through-holes (263) located on both sides of the concave portion, and pressing posts (272) are provided in each through-hole (263), and each pressing post (272) is connected to the pressing plate (271).

6. The reagent solution drawing device according to claim 1, wherein the piston rod section of the syringe (3) is cross-shaped, the pull plate (241) is concave for matching with the piston rod side of the syringe (3), and the top surface of the pull plate (241) is for abutting with the piston rod end of the syringe (3).

7. Reagent solution drawing device according to claim 1, characterized in that the traversing rack (1) is arranged horizontally and provided with a chute along the length direction, and the back rack (21) is slidingly fitted in the chute.