CN220004436U

CN220004436U - Vacuum centrifugal concentrator

Info

Publication number: CN220004436U
Application number: CN202320849779.9U
Authority: CN
Inventors: 李建妹; 王蕾; 徐易; 潘新琦; 戈逸
Original assignee: Jiangsu Yuanyuan Detection Technology Co ltd
Current assignee: Jiangsu Yuanyuan Detection Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-11-14
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses a vacuum centrifugal concentrator, and relates to the technical field of centrifugal concentration. The utility model comprises a shell, an inner container, a rotor, a motor and a shaft body, wherein the shaft body comprises an inner rod body, an outer sleeve body, a separating rod and an end sleeve, the inner rod body and the outer sleeve body are concentric, the bottom ends of the inner rod body and the outer sleeve body are connected through end plates, a cavity is formed between the inner rod body and the outer sleeve body, a convex edge part is arranged on the peripheral side surface of the inner rod body, a transverse hole is formed in the top end of the inner rod body, the separating rod is a hollow cylindrical rod piece, a gap of the separating rod is arranged in the cavity, a supporting disc is fixed on the peripheral side surface of the separating rod, and a nut is connected with the top end of the separating rod in a threaded manner. According to the utility model, the novel shaft body is designed, the rotor is arranged on the separating rod, the end sleeve can be used for connecting and separating the separating rod and the inner rod body, and the separating rod and the rotor can be integrally removed, so that the rotor is convenient to replace or a sample is convenient to place and collect, and the problem that the operation is inconvenient due to limited space of the shell is avoided.

Description

Vacuum centrifugal concentrator

Technical Field

The utility model belongs to the technical field of centrifugal concentration, and particularly relates to a vacuum centrifugal concentrator.

Background

In the concentration work of the vacuum centrifugal concentrator, a sample is placed on a rotor in a shell, and a vacuum pump is used for continuously pumping air at the same time under the centrifugal state, so that the vacuum centrifugal concentrator is close to vacuum, and the solvent in the sample is volatilized quickly, and the sample is concentrated quickly.

However, since the rotor basically has the types of 62×1.5ml, 12×10ml, 6×50ml and the like, different rotor structures need to be provided based on different samples, so that the rotor needs to be replaced, meanwhile, when the samples are concentrated, the number of the samples is relatively large, and because the space between the liner and the rotor is limited, the samples need to be obliquely positioned, the operation of staff is not facilitated, and the situation of spilling may occur, and even the test tube breaks once the force is applied too much.

Therefore, designing a centrifugal concentrator with easy sample placement and easy rotor replacement is a problem to be solved by workers in the field.

Disclosure of Invention

The utility model aims to provide a vacuum centrifugal concentrator, which is characterized in that a novel shaft body is designed, a rotor is arranged on a separating rod, an end sleeve can be used for connecting and separating the separating rod from an inner rod body, and the separating rod and the rotor can be integrally removed, so that the rotor is convenient to replace or a sample is placed and collected, and the problem that the operation is inconvenient due to limited space of a shell is avoided.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a vacuum centrifugal concentrator, which comprises a shell, an inner container, a rotor, a motor and a shaft body, wherein the shell is provided with a plurality of grooves;

the shaft body comprises an inner rod body, an outer sleeve body, a separating rod and an end sleeve;

the inner rod body and the outer sleeve body are concentric, the bottom ends of the inner rod body and the outer sleeve body are connected through end plates, a cavity is formed between the inner rod body and the outer sleeve body, a convex edge part is arranged on the peripheral side surface of the inner rod body, and a transverse hole is formed in the top end of the inner rod body;

the separating rod is a hollow cylindrical rod piece, the separating rod is arranged in the cavity in a clearance way, a supporting disc is fixed on the peripheral side face of the separating rod, a nut is connected to the top end of the separating rod in a threaded manner, and positioning grooves matched with the convex edge parts are formed in the inner wall of the separating rod and the inner wall of the end sleeve;

the bottom surface of the supporting disc is attached to the end surface of the top end of the outer sleeve body, the axis of the rotor is sleeved on the peripheral side surface of the separating rod and is fixed between the nut and the supporting disc, and the top end of the inner rod body penetrates through the hollow cavity of the separating rod;

the end sleeve is sleeved at the top end of the inner rod body and is attached to the end face of the top end of the separating rod, butterfly screws are connected to the threaded sleeves in a threaded mode, and the butterfly screws penetrate through the transverse holes.

Further, the inner container is fixed at the top in the shell, and the top of the shell is fixed with a turnover cover body.

Further, the outer sleeve body is rotationally connected with the bottom of the inner container through a bearing, a surrounding baffle is arranged at the bottom of the inner container, and a thin plate is fixed at the bottom of the surrounding baffle.

Further, the outer sleeve body and the bottom end of the inner rod body are fixedly provided with an upper disc body, the upper disc body is located in the enclosure, the motor is fixed at the bottom in the shell, the output end of the motor is fixedly provided with a lower disc body, and the upper disc body and the lower disc body are opposite in position and are magnetically connected.

Further, a group of air pipes are fixed on one side of the inner container, the two air pipes extend to the outside of the casing, one air pipe end is connected with a vacuum pump, and the other air pipe end is provided with an air valve.

Further, a plurality of positioning terminals are arranged at the top of the supporting disc, and the positioning terminals are matched with the through holes on the axis side of the rotor.

The utility model has the following beneficial effects:

according to the utility model, the novel shaft body is designed, the rotor is arranged on the separating rod, the end sleeve can be used for connecting and separating the separating rod and the inner rod body, the separating rod and the rotor can be integrally removed, and the installation and the removal of the end sleeve are controlled by the butterfly screw, so that the operation is convenient, the rotor is convenient to replace or the sample is convenient to place and collect, the problem that the operation is inconvenient due to limited space of the shell is avoided, and meanwhile, the condition of sample scattering is reduced.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a vacuum centrifugal concentrator of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the inner rod, outer sleeve and end cap;

FIG. 4 is a schematic view of the structure of the separator bar;

in the drawings, the list of components represented by the various numbers is as follows:

the device comprises a 1-shell, a 2-liner, a 3-rotor, a 4-motor, a 5-shaft body, a 6-turnover cover body, a 201-enclosure, a 202-thin plate, a 203-air pipe, a 401-lower disc body, a 501-inner rod body, a 502-outer sleeve body, a 503-separation rod, a 504-end sleeve, a 505-convex edge part, a 506-transverse hole, a 507-supporting disc, a 508-nut, a 509-positioning groove, a 510-threaded sleeve, a 511-butterfly screw, a 512-upper disc body and a 513-positioning terminal.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model discloses a vacuum centrifugal concentrator, which comprises a shell 1, an inner container 2, a rotor 3, a motor 4 and a shaft body 5;

the shaft body 5 comprises an inner shaft body 501, an outer sleeve body 502, a separation rod 503 and an end sleeve 504;

the inner rod body 501 and the outer sleeve body 502 are concentric, the bottom ends of the inner rod body 501 and the outer sleeve body 502 are connected through end plates, a cavity is formed between the inner rod body 501 and the outer sleeve body 502, a convex edge part 505 is arranged on the peripheral side surface of the inner rod body 501, and a transverse hole 506 is formed in the top end of the inner rod body 501;

the separating rod 503 is a hollow cylindrical rod, the separating rod 503 is arranged in the cavity in a clearance way, a supporting disc 507 is fixed on the peripheral side surface of the separating rod 503, a nut 508 is connected with the top end of the separating rod 503 in a threaded manner, and positioning grooves 509 matched with the convex edge portions 505 are formed in the inner wall of the separating rod 503 and the inner wall of the end sleeve 504;

the bottom surface of the supporting disc 507 is attached to the end surface of the top end of the outer sleeve body 502, the axis of the rotor 3 is sleeved on the peripheral side surface of the separating rod 503 and is fixed between the nut 508 and the supporting disc 507, and the top end of the inner rod body 501 penetrates through the hollow cavity of the separating rod 503;

the threaded sleeves 510 are fixed on one opposite side of the end sleeve 504, the end sleeve 504 is sleeved on the top end of the inner rod body 501 and is attached to the end face of the top end of the separation rod 503, butterfly screws 511 are connected to the threaded sleeves 510 in a threaded mode, and the butterfly screws 511 penetrate through the transverse holes 506.

As shown in fig. 1, the inner container 2 is fixed at the top of the casing 1, and the top of the casing 1 is fixed with a turnover cover 6.

As shown in fig. 1, an outer sleeve 502 is rotatably connected with the bottom of an inner container 2 through a bearing, a fence 201 is arranged at the bottom of the inner container 2, and a thin plate 202 is fixed at the bottom of the fence 201.

As shown in fig. 1, an upper disc 512 is fixed at the bottom ends of the outer sleeve 502 and the inner rod 501, the upper disc 512 is located in the enclosure 201, the motor 4 is fixed at the bottom in the casing 1, the lower disc 401 is fixed at the output end of the motor 4, and the upper disc 512 and the lower disc 401 are opposite in position and magnetically connected.

As shown in fig. 1, a set of air pipes 203 is fixed on one side of the liner 2, both air pipes 203 extend to the outside of the casing 1, one air pipe 203 end is connected with a vacuum pump, and the other air pipe 203 end is provided with an air valve.

As shown in fig. 2 and 4, a plurality of positioning terminals 513 are arranged at the top of the supporting disc 507, and the positioning terminals 513 are matched with the through holes on the axis side of the rotor 3.

The working principle of the utility model is as follows: when the rotor 3 needs to be replaced, a sample is placed or taken out, the butterfly screw 511 is screwed to detach the end sleeve 504, at this time, the separating rod 503 is separated from the inner rod body 501 and the outer sleeve body 502, the separating rod 503 can be pulled out, the rotor 3 can be synchronously pulled out, the rotor 3 can be replaced in specification or type, and when the sample is taken out or placed, a special tool can be used for supporting the separating rod 503 and the rotor 3.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a vacuum centrifugal concentrator, includes casing (1), inner bag (2), rotor (3), motor (4) and axis body (5), its characterized in that:

the shaft body (5) comprises an inner rod body (501), an outer sleeve body (502), a separation rod (503) and an end sleeve (504);

the inner rod body (501) and the outer sleeve body (502) are concentric, the bottom ends of the inner rod body and the outer sleeve body (502) are connected through end plates, a cavity is formed between the inner rod body (501) and the outer sleeve body (502), a convex edge part (505) is arranged on the peripheral side surface of the inner rod body (501), and a transverse hole (506) is formed in the top end of the inner rod body (501);

the separating rod (503) is a hollow cylindrical rod piece, the separating rod (503) is arranged in the cavity in a clearance way, a supporting disc (507) is fixed on the peripheral side face of the separating rod (503), a nut (508) is connected with the top end of the separating rod (503) in a threaded manner, and positioning grooves (509) matched with the convex edge parts (505) are formed in the inner wall of the separating rod (503) and the inner wall of the end sleeve (504);

the bottom surface of the supporting disc (507) is attached to the end surface of the top end of the outer sleeve body (502), the axis of the rotor (3) is sleeved on the peripheral side surface of the separating rod (503) and is fixed between the nut (508) and the supporting disc (507), and the top end of the inner rod body (501) penetrates through the hollow cavity of the separating rod (503);

the end caps (504) are fixedly provided with threaded sleeves (510) on one opposite sides, the end caps (504) are sleeved on the top end of the inner rod body (501) and are attached to the end face of the top end of the separating rod (503), butterfly screws (511) are connected to the threaded sleeves (510) in a threaded mode, and the butterfly screws (511) penetrate through the transverse holes (506).

2. The vacuum centrifugal concentrator according to claim 1, wherein the liner (2) is fixed at the inner top of the casing (1), and a turnover cover (6) is fixed at the top of the casing (1).

3. The vacuum centrifugal concentrator of claim 1, wherein the outer sleeve (502) is rotatably connected with the bottom of the inner container (2) through a bearing, a fence (201) is arranged at the bottom of the inner container (2), and a thin plate (202) is fixed at the bottom of the fence (201).

4. A vacuum centrifugal concentrator according to claim 3, wherein the outer casing (502) and the inner rod (501) are fixed with an upper tray (512) at the bottom, the upper tray (512) is located in the enclosure (201), the motor (4) is fixed at the bottom in the casing (1), the output end of the motor (4) is fixed with a lower tray (401), and the upper tray (512) and the lower tray (401) are opposite in position and are magnetically connected.

5. The vacuum centrifugal concentrator according to claim 1, wherein a group of air pipes (203) are fixed on one side of the inner container (2), the two air pipes (203) extend to the outside of the casing (1), one end of the air pipe (203) is connected with a vacuum pump, and the other end of the air pipe (203) is provided with an air valve.

6. The vacuum centrifugal concentrator according to claim 1, wherein a plurality of positioning terminals (513) are arranged at the top of the supporting disc (507), and the positioning terminals (513) are matched with the through holes on the axis side of the rotor (3).