CN218470284U

CN218470284U - Negative pressure type fetal calf serum extraction device

Info

Publication number: CN218470284U
Application number: CN202222630368.9U
Authority: CN
Inventors: 赵光锋; 王洋洋; 李明扬; 李春慧
Original assignee: Nanjing Shenghang Biotechnology Co ltd
Current assignee: Nanjing Shenghang Biotechnology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-10
Anticipated expiration: 2032-10-08

Abstract

The utility model belongs to the technical field of fetal calf serum test technique and specifically relates to a fetal calf serum draw-out device of negative pressure formula, including holding pipe, turning block and protective tube, it is connected with sealed piston board to hold intraductal side slip, sealed piston board sets up at negative pressure intracavity side, the negative pressure chamber is seted up and is being held in the pipe upside, sealed piston board upper end middle part fixedly connected with connecting rod, the connecting rod passes and holds in the pipe upper end lateral wall, and the connecting rod with hold a tub sliding connection, the connecting rod sets up in the negative pressure intracavity, connecting rod upper end fixedly connected with rotates the connecting block, it slides and is holding in the pipe upside to rotate the connecting block, it connects in thread tightening head bottom to rotate the connecting block, thread tightening head screwed connection is in thread tightening sleeve, the utility model discloses make through the negative pressure, can extract fetal calf serum sample automatically, effectively improve device's extraction efficiency, simple structure practicality is strong.

Description

Negative pressure type fetal calf serum extraction device

Technical Field

The utility model relates to a fetal calf serum test technical field specifically is a fetal calf serum draw-out device of negative pressure formula.

Background

Fetal calf serum is a light yellow clarification, no hemolysis, there is not foreign matter thick liquid slightly, generally takes from the fetal calf of cesarean deliery, the harmful composition to the cell such as the antibody that contains in its serum, complement is minimum, when needs examine fetal calf serum, just need use fetal calf serum extraction device, most fetal calf serum extraction device on the market can not carry out automatic extraction to the sample, need artifically draw through the needle tubing, inject into the sample bottle again in, influence the extraction efficiency of sample.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fetal calf serum draw-out device of negative pressure formula to it needs the manual work to extract the sample through the needle tubing to provide in solving above-mentioned background art, influences the problem of sample extraction efficiency.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fetal calf serum draw-out device of negative pressure formula, is including holding pipe, turning block and protective tube, it is connected with the sealing piston board to hold intraductal sideslip sliding, the sealing piston board sets up at negative pressure intracavity side, the negative pressure chamber is seted up in holding the pipe upside, sealing piston board upper end middle part fixedly connected with connecting rod, the connecting rod passes and holds in the pipe upper end lateral wall, and the connecting rod with hold a tub sliding connection, the connecting rod sets up at the negative pressure intracavity, connecting rod upper end fixedly connected with rotates the connecting block, it slides and is holding in the pipe upside to rotate the connecting block, it connects in the first bottom of thread tightening to rotate the connecting block, thread tightening head screwed connection is in the thread tightening sleeve, thread tightening sleeve fixed connection holds the pipe upper end, the first upper end fixedly connected with turning block of thread tightening.

Preferably, hold the pipe upside internal fixation and be connected with sealed the pad, it has the connecting rod to pass in the sealed pad.

Preferably, the friction ring is sleeved on the outer side of the rotating block, and the rotating block is fixedly connected with the friction ring.

Preferably, the sealing pipe penetrates through the inner side of the bottom end of the containing pipe, the containing pipe is fixedly connected with the sealing pipe, the sealing piston plate is attached to the upper end of the sealing pipe, anti-skid rubber rings are sleeved on the upper side and the lower side of the containing pipe, and the containing pipe is fixedly connected with the anti-skid rubber rings.

Preferably, hold a tub bottom end fixedly connected with fixed block, it has the extraction tube head to pass in the fixed block, and fixed block and extraction tube head fixed connection, extraction tube head upper end fixedly connected with sealing tube.

Preferably, the fixed block slides in the protecting tube upside, the protecting tube laminating is holding the socle, the protecting tube inboard is provided with the extraction tube head, the fixed slot has been seted up in the protecting tube upside, the fixed slot in-connection has the damping ring, the damping ring cup joints in the fixed block outside, and damping ring and fixed block fixed connection.

Preferably, a sealing column is fixedly connected in the bottom side of the protective tube, and the sealing column slides in the bottom side of the extraction tube head.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, turning block, thread tightening sleeve, thread tightening head, sealed piston board and negative pressure chamber through setting up for through the negative pressure, can extract fetal bovine serum sample automatically, effectively improve device's extraction efficiency, simple structure practicality is strong.

2. The utility model discloses in, through protective tube, fixed block, damping ring, fixed slot and the sealed post that sets up for can protect and seal extraction mechanism, prevent that the extraction tube head from getting into the dust or receiving the damage, influence the problem of extraction effect, after the extraction is accomplished, can seal the extraction tube head simultaneously, avoid the sample to spill.

Drawings

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

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure at A of FIG. 2 according to the present invention;

fig. 4 is a schematic view of the installation structure of the protection tube of the present invention.

In the figure: 1-containing pipe, 2-thread fixing sleeve, 3-rotating block, 4-friction ring, 5-protective pipe, 6-anti-skid rubber ring, 7-thread fixing head, 8-rotating connecting block, 9-connecting rod, 10-sealing piston plate, 11-negative pressure cavity, 12-sealing pad, 13-damping ring, 14-extraction pipe head, 15-sealing column, 16-fixing block, 17-sealing pipe and 18-fixing groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

specifically, as shown in fig. 1 and fig. 2, a negative pressure type fetal calf serum extraction device comprises a containing pipe 1, a rotating block 3 and a protection pipe 5, wherein a sealing piston plate 10 is connected to the inner side of the containing pipe 1 in a sliding manner, the sealing piston plate 10 is arranged on the inner side of a negative pressure cavity 11, the negative pressure cavity 11 is arranged in the upper side of the containing pipe 1, a connecting rod 9 is fixedly connected to the middle of the upper end of the sealing piston plate 10, the connecting rod 9 penetrates through the side wall of the upper end of the containing pipe 1, the connecting rod 9 is connected with the containing pipe 1 in a sliding manner, the connecting rod 9 is arranged in the negative pressure cavity 11, a rotating connecting block 8 is fixedly connected to the upper end of the connecting rod 9, the rotating connecting block 8 slides in the upper side of the containing pipe 1, the rotating connecting block 8 is rotatably connected to the bottom end of a threaded fixing head 7, the threaded fixing head 7 is spirally connected in the threaded fixing sleeve 2, the threaded fixing sleeve 2 is fixedly connected to the upper end of the containing pipe 1, and the rotating block 3 is fixedly connected to the upper end of the threaded fixing head 7, so that a sample can be automatically extracted; a sealing gasket 12 is fixedly connected in the upper side of the containing pipe 1, a connecting rod 9 penetrates through the sealing gasket 12, and the sealing performance of the device can be improved through the sealing gasket 12; the friction ring 4 is sleeved on the outer side of the rotating block 3, the rotating block 3 is fixedly connected with the friction ring 4, and the rotating block 3 can be conveniently rotated through the friction ring 4.

Specifically, as shown in fig. 1, 3 and 4, a sealing pipe 17 penetrates through the inner side of the bottom end of a containing pipe 1, the containing pipe 1 is fixedly connected with the sealing pipe 17, a sealing piston plate 10 is attached to the upper end of the sealing pipe 17, anti-skid rubber rings 6 are sleeved on the upper side and the lower side of the containing pipe 1, the containing pipe 1 is fixedly connected with the anti-skid rubber rings 6, and a sample can enter the device through the sealing pipe 17; the bottom end of the containing pipe 1 is fixedly connected with a fixed block 16, an extraction pipe head 14 penetrates through the fixed block 16, the fixed block 16 is fixedly connected with the extraction pipe head 14, the upper end of the extraction pipe head 14 is fixedly connected with a sealing pipe 17, and a sample can be extracted through the extraction pipe head 14; the fixing block 16 slides in the upper side of the protection tube 5, the protection tube 5 is attached to the bottom end of the containing tube 1, the extracting tube head 14 is arranged on the inner side of the protection tube 5, the fixing groove 18 is formed in the upper side of the protection tube 5, the damping ring 13 is connected in the fixing groove 18, the damping ring 13 is sleeved on the outer side of the fixing block 16, the damping ring 13 is fixedly connected with the fixing block 16, and the protection tube 5 can be fixed through the damping ring 13 and the fixing groove 18; the sealing column 15 is fixedly connected in the bottom side of the protective tube 5, the sealing column 15 slides in the bottom side of the extraction tube head 14, and the extraction tube head 14 can be sealed through the sealing column 15.

The working process comprises the following steps: the utility model discloses when using, stimulate protecting tube 5 earlier, make damping ring 13 leave in the fixed slot 18, leave back in the protecting tube 5 when extraction tube head 14, can insert the sample with extraction tube head 14, cooperation friction ring 4 rotates turning block 3 this moment, turning block 3 can drive threaded fixing head 7 and leave in the threaded fixing sleeve 2, and through rotating connecting block 8, can make connecting rod 9 drive sealed piston board 10 rise, leave back in the threaded fixing sleeve 2 completely when threaded fixing head 7, negative pressure in the negative pressure chamber 11 can make sealed piston board 10 rise automatically this moment, thereby make fetal bovine serum sample through extraction tube head 14 and sealing tube 17, enter into and hold in the pipe 1 bottom side, after the extraction is accomplished, can insert in the protecting tube 5 with extraction tube head 14, and make sealed post 15 insert in the extraction tube head 14, when damping ring 13 enters into in the fixed slot 18, just accomplished the fixing to protecting tube 5, can seal the device bottom, can also protect extraction tube head 14 simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fetal calf serum draw-out device of negative pressure formula, includes holding tube (1), turning block (3) and protective tube (5), its characterized in that: hold pipe (1) inboard sliding connection and have sealing piston board (10), sealing piston board (10) set up in negative pressure chamber (11) inboardly, negative pressure chamber (11) are seted up in holding pipe (1) upside, sealing piston board (10) upper end middle part fixedly connected with connecting rod (9), connecting rod (9) are passed and are held in pipe (1) upper end lateral wall, and connecting rod (9) and hold pipe (1) sliding connection, connecting rod (9) set up in negative pressure chamber (11), connecting rod (9) upper end fixedly connected with rotates connecting block (8), it slides in holding pipe (1) upside to rotate connecting block (8), it connects in thread tightening head (7) bottom to rotate connecting block (8), thread tightening head (7) screwed connection is in thread tightening sleeve (2), thread tightening sleeve (2) fixed connection is in holding pipe (1) upper end, thread tightening head (7) upper end fixedly connected with rotates block (3).

2. The device according to claim 1, wherein the device comprises: the inner fixed connection of the upper side of the containing pipe (1) is provided with a sealing gasket (12), and a connecting rod (9) penetrates through the sealing gasket (12).

3. The device according to claim 1, wherein the device comprises: the friction ring (4) is sleeved on the outer side of the rotating block (3), and the rotating block (3) is fixedly connected with the friction ring (4).

4. The device of claim 1, wherein the device comprises: it has sealed tube (17) to pass to hold pipe (1) bottom inboard, and holds pipe (1) and sealed tube (17) fixed connection, the laminating of sealed tube (17) upper end has sealed piston board (10), both sides have all cup jointed anti-skidding rubber circle (6) about holding pipe (1), and hold pipe (1) and anti-skidding rubber circle (6) fixed connection.

5. The device according to claim 1, wherein the device comprises: hold pipe (1) bottom fixedly connected with fixed block (16), it has extraction tube head (14) to pass in fixed block (16), and fixed block (16) and extraction tube head (14) fixed connection, extraction tube head (14) upper end fixedly connected with sealing tube (17).

6. The device of claim 5, wherein the device comprises: fixed block (16) slide in protecting tube (5) upside, protecting tube (5) laminating is holding pipe (1) bottom, protecting tube (5) inboard is provided with extraction tube head (14), fixed slot (18) have been seted up in protecting tube (5) upside, fixed slot (18) in-connection has damping ring (13), damping ring (13) cup joint in fixed block (16) outside, and damping ring (13) and fixed block (16) fixed connection.

7. The device according to claim 1, wherein the device comprises: and a sealing column (15) is fixedly connected in the bottom side of the protective tube (5), and the sealing column (15) slides in the bottom side of the extracting tube head (14).