CN218690496U - Centrifugal machine for stem cell extraction - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, a centrifuge is used in stem cell extraction, including the centrifuge body, the bottom surface both sides of centrifuge body all are equipped with the mounting groove, are equipped with the link in the mounting groove, link and electric telescopic handle's output fixed connection, the inner wall fixed connection of electric telescopic handle and mounting groove, be equipped with the box of breathing in on the link, the bottom surface of the box of breathing in is equipped with the sucking disc, the top surface of the box of breathing in is equipped with first blow vent and second blow vent, be equipped with vacuum generator in the mounting groove, first blow vent passes through the gas-supply pipe and is connected with vacuum generator, be equipped with electric control valve on the second blow vent. The utility model discloses a vacuum generator extraction box inside air of breathing in makes the sucking disc of the box bottom surface of breathing in adsorb table surface, and the friction loss can not take place for this process, and the sucking disc seal is good can not leak gas, guarantees that centrifuge main part physical stamina stably adsorbs on table surface.

Description

Centrifugal machine for stem cell extraction

Technical Field

The utility model relates to the technical field of medical equipment, the concrete field is a stem cell draws and uses centrifuge.

Background

The stem cells have good differentiation and proliferation capacities, and can help many people with hematopathy, most commonly leukemia. The stem cells can be extracted from blood, and a centrifugal machine is used after blood collection, and the centrifugal force generated by rapid rotation is used for separating and purifying the stem cells. Because the slew velocity of the inside rotor of centrifuge is very fast, centrifuge produces the natural vibration along with the rotor rotation easily, and it not only influences its centrifugal effect, can take place the phenomenon that centrifuge appears the landing even on the desktop, consequently need set up fastener on centrifuge, guarantees centrifuge stability when using. Chinese utility model patent like patent number "CN202121006484.2", provides a centrifuge for stem cell separation, first notch and second notch have all been seted up to four edges of centrifuge body, be equipped with flexible electric jar in the first notch, be equipped with connecting plate and second closing plate on the flexible electric jar, be equipped with first closing plate on the connecting plate, drive the connecting plate rebound through flexible electric jar, let first closing plate, second closing plate and first notch lateral wall, the negative pressure appears in the seal space that forms between the telescopic link, thereby let centrifuge adsorb to fix on table surface.

The device has the disadvantages that in order to guarantee the tightness of the negative pressure space when in use, the first sealing plate needs to be tightly attached to the inner wall of the first notch to prevent air leakage, but the first sealing plate needs to move upwards along with the connecting plate along the inner wall of the first notch when the telescopic electric cylinder contracts, and the first sealing plate can generate loss due to friction between the first sealing plate and the inner wall of the first notch, so that the tightness of the negative pressure space is reduced and air leakage is caused, and the centrifugal machine cannot be stably adsorbed on the working table board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifuge is used in stem cell extraction, through the inside air of vacuum generator extraction box of breathing in, make the sucking disc of the box bottom surface of breathing in adsorb table surface, the friction loss can not take place for this process, and the sucking disc seal nature is good can not leak gas, guarantees that centrifuge main part physical stamina stably adsorbs on table surface.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a stem cell draws uses centrifuge, includes the centrifuge body, the bottom surface both sides of centrifuge body all are equipped with the mounting groove, be equipped with the link in the mounting groove, link and electric telescopic handle's output fixed connection, electric telescopic handle with the inner wall fixed connection of mounting groove, be equipped with the box of breathing in on the link, the bottom surface of the box of breathing in is equipped with the sucking disc, the top surface of the box of breathing in is equipped with first blow vent and second blow vent, be equipped with vacuum generator in the mounting groove, first blow vent pass through the gas-supply pipe with vacuum generator connects, be equipped with electric control valve on the second blow vent.

Preferably, all be equipped with vertical spout on the lateral wall of mounting groove both sides, the both ends of link stretch into respectively in the spout, and can follow the inner wall of spout slides.

Preferably, the number of the electric telescopic rods is two, and the two electric telescopic rods are respectively positioned at two sides of the air suction box.

Preferably, the number of the sucking discs is a plurality, and the sucking discs are uniformly distributed on the bottom surface of the air suction box.

Preferably, the air conveying pipe is provided with a filter.

Preferably, a controller is arranged on the centrifuge body, and the electric telescopic rod, the vacuum generator and the electric control valve are electrically connected with the controller through leads.

Preferably, the bottom surface of the centrifuge body is provided with a rubber pad.

Use the utility model discloses a beneficial effect is:

(one) the utility model discloses take away the air in box and the sucking disc of breathing in with vacuum generator through the gas-supply pipe, make and breathe in and produce the negative pressure between box, sucking disc and the table surface, through atmospheric pressure, a plurality of sucking discs firmly adsorb on table surface to it is together fixed with table surface to centrifuge body. The sucking disc can not produce the friction with the inner wall of mounting groove, consequently can not produce the friction loss, and the sucking disc leakproofness can not leak gas well, guarantees that centrifuge main part can adsorb on table surface steadily.

And (II) the air conveying pipe is provided with a filter, so that dust in the air passing through the air conveying pipe can be filtered, the dust is prevented from entering the vacuum generator, and the service life of the vacuum generator is prolonged. The bottom surface of centrifuge body is equipped with the rubber pad, and the rubber pad can further increase the frictional force between centrifuge body and the table surface, prevents that centrifuge body from moving when using.

Drawings

FIG. 1 is an isometric view of an angle of the present invention;

fig. 2 is an isometric view of another angle of the present invention;

fig. 3 is a front sectional view of the present invention;

FIG. 4 is an isometric view of the getter cartridge of the present invention;

FIG. 5 is a left side sectional view of the present invention when the suction cup is not attached to the worktable;

fig. 6 is a left side cross-sectional view of the utility model when the sucker is attached to the working table.

The reference numerals include:

1-centrifuge body, 101-installation groove, 102-sliding groove, 103-centrifugal cavity, 2-connecting frame, 3-electric telescopic rod, 4-air suction box, 401-first air vent, 402-second air vent, 5-suction cup, 6-vacuum generator, 7-air pipe, 8-electric control valve, 9-filter, 10-controller, 11-rubber pad, 12-centrifugal drum and 13-motor

Detailed Description

In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a stem cell draws uses centrifuge, includes centrifuge body 1, and centrifuge body 1's bottom surface both sides all are equipped with mounting groove 101, are equipped with link 2 in the mounting groove 101, please refer to fig. 2 and 5, all are equipped with vertical spout 102 on the lateral wall of mounting groove 101 both sides, and the both ends of link 2 stretch into respectively in the spout 102, and can slide along the inner wall of spout 102. The link 2 is connected with the output end of electric telescopic handle 3, and the vertical setting of electric telescopic handle 3 and output end are down. Electric telescopic handle 3 has two, is located the both sides of box 4 of breathing in respectively, and electric telescopic handle 3 and the inner wall fixed connection of mounting groove 101. Referring to fig. 4, the connecting frame 2 is provided with an air suction box 4, the air suction box 4 is fixedly connected with the connecting frame 2, the bottom surface of the air suction box 4 is provided with a plurality of suckers 5, the suckers 5 are communicated with the inside of the air suction box 4, and the suckers 5 are uniformly distributed on the bottom surface of the air suction box 4. The top surface of the air suction box 4 is provided with a first vent 401 and a second vent 402, a vacuum generator 6 is arranged in the mounting groove 101, the first vent 401 is connected with the vacuum generator 6 through an air conveying pipe 7, and the second vent 402 is provided with an electric control valve 8.

The utility model discloses before using, place centrifuge body 1 on table surface earlier, electric telescopic handle 3 was in the contraction state this moment, please refer to fig. 5, and a plurality of sucking discs 5 are highly higher than centrifuge body 1's bottom surface in mounting groove 101, and sucking disc 5 does not contact with table surface this moment. The utility model discloses when using, electric telescopic handle 3 extends, drives link 2 downstream, and the inner wall that slides along both sides spout 102 respectively at this in-process link 2's both ends, and spout 102 can restrict link 2 and can only reciprocate, can not the horizontal hunting, guarantees link 2's stability. Referring to fig. 6, the suction box 4 is driven by the connecting frame 2 to move downward, and the suckers 5 contact and cling to the working table. Vacuum generator 6 work this moment, takes away the air in the box 4 of breathing in from first vent 401 through gas-supply pipe 7, and automatically controlled valve 8 closes this moment, because sucking disc 5 is connected with the inside intercommunication of box 4 of breathing in, can produce the negative pressure between box 4, sucking disc 5 and the table surface of breathing in, atmospheric pressure adsorbs a plurality of sucking discs 5 on table surface to be in the same place centrifuge body 1 is fixed with table surface. Referring to fig. 3, the suction cup 5 is not in contact with the side wall of the mounting groove 101, so that the suction cup 5 does not rub against the inner wall of the mounting groove 101, and no friction loss occurs, and the suction cup 5 has good sealing performance and does not leak air, thereby ensuring that the centrifuge body 1 can be stably adsorbed on the working table.

Referring to fig. 3, the top cover of the centrifuge body 1 is opened, the blood collection bag or the test tube is placed in the centrifuge bowl 12 in the centrifuge chamber 103, and after the top cover is closed, the motor 13 at the bottom of the centrifuge bowl 12 operates to drive the centrifuge bowl 12 to rotate, waiting for blood stratification. Because centrifuge body 1 adsorbs firmly on table surface through dry sucking disc 5 this moment, consequently the phenomenon of landing can not appear in centrifuge body 1, stability when guaranteeing to use. After centrifugation, open the top cap and take blood bag or test tube away, vacuum generator 6 stop work this moment, electric control valve 8 is opened this moment, and the air in mounting groove 101 gets into from second air vent 402 in box 4 and the sucking disc 5 of breathing in, makes atmospheric pressure balanced, and sucking disc 5 no longer adsorbs table surface. Next, the electric telescopic rod 3 contracts to drive the connecting frame 2 to move upwards, the suckers 5 leave the working table, and the centrifuge body 1 can move on the working table at the moment.

Referring to fig. 5-6, the air pipe 7 is provided with a filter 9, and since the vacuum generator 6 can suck the air in the suction box 4 and the suction cup 5, when dust exists on the working table, the dust can be sucked away. The filter 9 can filter out dust in the air passing through the air conveying pipe 7, so that the dust is prevented from entering the vacuum generator 6, and the service life of the vacuum generator 6 is prolonged.

Referring to fig. 1-2, a controller 10 is disposed on the centrifuge body 1, the electric telescopic rod 3, the vacuum generator 6 and the electric control valve 8 are electrically connected to the controller 10 through wires, the controller 10 can control the working states of the electric telescopic rod 3 and the vacuum generator 6 and the opening and closing of the electric control valve 8, and a display screen is disposed on the centrifuge body 1 and can display various operation information. The utility model discloses an external power supply. The rubber pad 11 is arranged on the bottom surface of the centrifuge body 1, and the rubber pad 11 can further increase the friction force between the centrifuge body 1 and the working table surface, so that the centrifuge body 1 is prevented from moving when in use.

The utility model discloses take away the air in box 4 and the sucking disc 5 of breathing in through gas-supply pipe 7 with vacuum generator 6, make and breathe in and produce the negative pressure between box 4, sucking disc 5 and the table surface, through atmospheric pressure, a plurality of sucking discs 5 adsorb firmly on table surface to it is together fixed with table surface with centrifuge body 1. The sucking disc 5 can not produce the friction with the inner wall of mounting groove 101, consequently can not produce the friction loss, and sucking disc 5 leakproofness can not leak gas well, guarantees that centrifuge main part 1 can adsorb on table surface steadily. The air conveying pipe 7 is provided with the filter 9 which can filter dust in air passing through the air conveying pipe 7, so that the dust is prevented from entering the vacuum generator 6, and the service life of the vacuum generator 6 is prolonged. The bottom surface of centrifuge body 1 is equipped with rubber pad 11, and rubber pad 11 can further increase the frictional force between centrifuge body 1 and the table surface, prevents that centrifuge body 1 from moving when using.

The working principle is as follows: the utility model discloses when using, electric telescopic handle 3 extends, drives link 2 downstream, and the inner wall that slides along both sides spout 102 respectively at the both ends of link 2 at this in-process, and link 2 drives box 4 downstream of breathing in, and table surface is hugged closely in the contact of a plurality of sucking discs 5. At this moment, the vacuum generator 6 works, air in the air suction box 4 is drawn away from the first air vent 401 through the air conveying pipe 7, the electric control valve 8 is closed, the suction cup 5 is communicated with the inside of the air suction box 4, negative pressure can be generated among the air suction box 4, the suction cup 5 and the workbench surface, and the suction cups 5 are firmly adsorbed on the workbench surface through atmospheric pressure, so that the centrifuge body 1 and the workbench surface are fixed together. Because sucking disc 5 can not produce the friction with the inner wall of mounting groove 101, consequently can not produce the friction loss, sucking disc 5 leakproofness can not leak gas well, guarantees that centrifuge main part 1 can adsorb on table surface steadily.

The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.

Claims (7)

1. The utility model provides a stem cell draws uses centrifuge, includes the centrifuge body, its characterized in that: the bottom surface both sides of centrifuge body all are equipped with the mounting groove, be equipped with the link in the mounting groove, link and electric telescopic handle's output fixed connection, electric telescopic handle with the inner wall fixed connection of mounting groove, be equipped with the box of breathing in on the link, the bottom surface of the box of breathing in is equipped with the sucking disc, the top surface of the box of breathing in is equipped with first blow vent and second blow vent, be equipped with vacuum generator in the mounting groove, first blow vent pass through the gas-supply pipe with vacuum generator connects, be equipped with electric control valve on the second blow vent.

2. The centrifuge for stem cell extraction according to claim 1, wherein: all be equipped with vertical spout on the lateral wall of mounting groove both sides, the both ends of link stretch into respectively in the spout, and can follow the inner wall of spout slides.

3. The centrifuge for stem cell extraction according to claim 1, wherein: the number of the electric telescopic rods is two, and the electric telescopic rods are respectively positioned on two sides of the air suction box.

4. The stem cell extraction centrifuge according to claim 1, wherein: the sucking discs are arranged on the bottom surface of the air suction box and are uniformly distributed.

5. The stem cell extraction centrifuge according to claim 1, wherein: the gas transmission pipe is provided with a filter.

6. The stem cell extraction centrifuge according to claim 1, wherein: the centrifuge body is provided with a controller, and the electric telescopic rod, the vacuum generator and the electric control valve are electrically connected with the controller through leads.

7. The stem cell extraction centrifuge according to claim 1, wherein: the bottom surface of centrifuge body is equipped with the rubber pad.

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