CN220969161U

CN220969161U - Liquid extraction device

Info

Publication number: CN220969161U
Application number: CN202322451084.8U
Authority: CN
Inventors: 贾泽慧; 董金龙; 张舒婷; 文斌; 王春涛
Original assignee: Taiyuan Normal University
Current assignee: Taiyuan Normal University
Priority date: 2023-09-09
Filing date: 2023-09-09
Publication date: 2024-05-17
Anticipated expiration: 2033-09-09

Abstract

The utility model discloses a liquid extraction device, which comprises a holding sleeve, a fixing device and a second connecting plate, wherein first connecting blocks are symmetrically and fixedly arranged on the side surfaces of the holding sleeve, second threaded rods are respectively connected to the two first connecting blocks in a threaded manner, second connecting blocks are respectively connected to one ends of the two second threaded rods, which are far away from the first connecting blocks, of the two second threaded rods, first connecting rods are respectively and fixedly connected to the two second connecting blocks, third connecting blocks are fixedly connected to the two first connecting rods, the fixing device comprises a fourth connecting rod, a linear module and a clamping block, mounting grooves are respectively formed in the mutually adjacent side of the two fourth connecting rods, the inner wall of each mounting groove is fixedly provided with the linear module, limit clamping grooves are fixedly arranged on the sliding ends of the linear module, and two second connecting plates are symmetrically formed on the surfaces of the second connecting plates.

Description

Liquid extraction device

Technical Field

The utility model relates to the technical field of liquid extraction devices, in particular to a liquid extraction device.

Background

The liquid extractor is a tool commonly used in laboratories, liquid is generally transferred from one container to another container through air pressure difference, detection test is conveniently carried out on liquid components, the tool is also needed to be used for liquid detection of chemical medicines, a liquid extraction device is often used for liquid extraction during analysis of medical medicines, the phenomenon that an extraction needle is easy to loose and fall off during use of the liquid extractor is unfavorable for staff to extract liquid, extraction needles with different lengths need to be replaced when liquid in containers with different depths is extracted, the extraction needle can be touched by manual drawing during replacement, replacement operation is inconvenient, a liquid extraction device for medical analysis chemistry is matched with devices such as an ejection spring, an ejection ring and a sleeve, the device is convenient for pushing the extraction needle out, the extraction needle is prevented from being mistakenly touched to residual liquid during replacement, and replacement operation is convenient for staff to replace the extraction needle.

Because various chemical medicine compositions are different, so each time the medicine is extracted, need clear up the extraction tube, the extraction tube clearance generally needs other medicaments to soak repeatedly and high temperature disinfect, and process time is longer, and the extraction tube of current device is inconvenient to dismantle to lead to the inside clearance of extraction tube to get up inconvenient.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a liquid extraction device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a liquid extraction element, including holding the cover, fixing device and second connecting plate, the side symmetry fixed mounting who holds the cover has first connecting block, last threaded connection has the second threaded rod respectively of two first connecting blocks, threaded connection has the second connecting block respectively on the one end that first connecting block was kept away from to two second threaded rods, two second connecting blocks respectively fixedly connected with head rod, two head rod fixedly connected with third connecting block, fixing device is including the fourth connecting rod, sharp module and fixture block, the mounting groove has been seted up respectively to two fourth connecting rods each other near one side, mounting groove inner wall fixed mounting has sharp module, fixed mounting has spacing draw-in groove on the sliding end of sharp module, two second connecting plates have been seted up to the symmetry on the second connecting plate surface.

Preferably, the motor is fixedly arranged at the bottom of the inner wall of the holding sleeve, a first threaded rod is fixedly arranged at the power output end of the motor, and a first connecting plate is fixedly arranged at one end, far away from the motor, of the first threaded rod.

Preferably, the first connecting plate is symmetrically and fixedly provided with fixing devices at one end far away from the first threaded rod, and the two fixing devices are matched and provided with the second connecting plate.

Preferably, the clamping block is matched with the limiting clamping groove.

Preferably, the third connecting block is provided with a pressing block in a sliding manner, two sides of the pressing block, which are symmetrical to each other, are rotationally provided with second connecting rods, one sides of the two second connecting rods, which are far away from the pressing block, are respectively rotationally provided with a limiting block, and springs are fixedly arranged between the two limiting blocks and the corresponding second connecting blocks.

Preferably, the extraction pipe is close to the side center of the second connecting block and fixedly provided with an ejection mechanism, and the front end of the ejection mechanism is provided with a needle tube.

The utility model has the following beneficial effects:

According to the utility model, the fixing device, the first connecting plate, the limiting clamping groove, the second connecting plate, the first connecting block, the second threaded rod, the first connecting rod and the second connecting block are arranged, so that the extraction pipe of the device is convenient to mount and dismount before and after use, the advantage of convenient cleaning of the interior of the extraction pipe is achieved, and the problem that the interior of the extraction pipe is inconvenient to clean due to the fact that the extraction pipe of the device is inconvenient to dismount is solved.

Drawings

FIG. 1 is a schematic diagram of a front view structure according to the present utility model;

FIG. 2 is a schematic view of a left cross-sectional structure according to the present utility model;

FIG. 3 is a schematic view of an assembly structure according to the present utility model;

fig. 4 is a schematic diagram illustrating an assembling structure of a fixing device according to the present utility model.

In the figure: 1. a grip sleeve; 2. a first threaded rod; 3. a motor; 4. a first connection block; 5. a second threaded rod; 6. a second connection block; 7. a first connecting rod; 8. a limiting block; 9. a spring; 10. a needle tube; 11. a third connecting block; 12. pressing the blocks; 13. a second connecting rod; 14. an ejection mechanism; 15. a first connection plate; 16. a fixing device; 1601. a fourth connecting rod; 1602. a linear module; 1603. a clamping block; 17. a limit clamping groove; 18. a second connecting plate; 19. and (5) extracting the tube.

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.

Referring to fig. 1-4, a liquid extraction device comprises a holding sleeve 1, a fixing device 16 and a second connecting plate 18, wherein first connecting blocks 4 are symmetrically and fixedly installed on the side surfaces of the holding sleeve 1, second threaded rods 5 are respectively and threadedly connected to the upper parts of the two first connecting blocks 4, second connecting blocks 6 are respectively and threadedly connected to one ends of the two second threaded rods 5 far away from the first connecting blocks 4, first connecting rods 7 are respectively and fixedly connected to the two second connecting blocks 6, third connecting blocks 11 are fixedly connected to the two first connecting rods 7, the fixing device 16 comprises a fourth connecting rod 1601, a linear module 1602 and a clamping block 1603, mounting grooves are respectively formed in the mutually adjacent sides of the two fourth connecting rods 1601, a linear module 1602 is fixedly installed on the inner wall of each mounting groove, limiting clamping grooves 17 are fixedly installed on the sliding ends of the linear modules 1602, and two second connecting plates 18 are symmetrically formed on the surfaces of the second connecting plates 18.

In this embodiment, as shown in fig. 2, a motor 3 is fixedly installed at the bottom of the inner wall of the holding sleeve 1, a first threaded rod 2 is fixedly installed on the power output end of the motor 3, and a first connecting plate 15 is fixedly installed on one end, far away from the motor 3, of the first threaded rod 2.

In this embodiment, as shown in fig. 1, the end of the first connecting plate 15 away from the first threaded rod 2 is symmetrically and fixedly provided with fixing devices 16, and the two fixing devices 16 are cooperatively provided with a second connecting plate 18.

In this embodiment, as shown in fig. 4, the clamping block 1603 is matched with the limit clamping groove 17.

In this embodiment, as shown in fig. 1, a pressing block 12 is slidably mounted on a third connection block 11, two sides of the pressing block 12, which are symmetrical to each other, are rotatably mounted with a second connection rod 13, one sides of the two second connection rods 13, which are far away from the pressing block 12, are rotatably mounted with a limiting block 8 respectively, and a spring 9 is fixedly mounted between the two limiting blocks 8 and the corresponding second connection blocks 6 respectively.

In this embodiment, as shown in fig. 1, the extraction tube 19 is fixedly provided with an ejector mechanism 14 near the center of the side face of the second connection block 6, the front end of the ejector mechanism 14 is provided with a needle tube 10, and the structure and working principle of the ejector mechanism 14 are the same as those of the comparative patent, and will not be described in detail here.

The application method and the advantages of the utility model are as follows: when the liquid extraction device is used, the working process is as follows:

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the device is used, firstly, the electric equipment in the device is electrified, after the device is used, in order to ensure that the residual liquid in the extraction tube 19 of the device cannot affect the next sampling, the second threaded rod 5 is rotated to enable the second threaded rod 5 to release the fixation of the second connecting block 6 and the first connecting block 4, the linear module 1602 is started simultaneously, the clamping block 1603 is retracted into the fourth connecting rod 1601, so that the second connecting plate 18 and the fixing device 16 are separated, and finally, the pressing block 12 is pressed to slide in the third connecting block 11 to release the fixation of the limiting block 8 to the needle tube 10, so that the extraction tube 19 and the needle tube 10 are disassembled, and the problem that the interior of the extraction tube is inconvenient to clean due to the inconvenient disassembly of the extraction tube of the device is solved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a liquid extraction device, includes grip sleeve (1), fixing device (16), extraction tube (19) and second connecting plate (18), its characterized in that: the side symmetry fixed mounting who grips cover (1) has first connecting block (4), two respectively threaded connection has second threaded rod (5) on first connecting block (4), two on the one end that first connecting block (4) was kept away from to second threaded rod (5) respectively threaded connection has second connecting block (6), two second connecting block (6) are connecting rod (7) respectively fixedly connected with, two connecting rod (7) fixedly connected with third connecting block (11), fixing device (16) are including fourth connecting rod (1601), sharp module (1602) and fixture block (1603), two the mounting groove has been seted up respectively to fourth connecting rod (1601) one side that is close to each other, mounting groove inner wall fixed mounting has sharp module (1602), fixed mounting has spacing draw-in groove (17) on the sliding end of sharp module (1602), two second connecting plates (18) have been seted up on the surface symmetry.

2. A liquid extraction device according to claim 1 wherein: the novel electric bicycle is characterized in that a motor (3) is fixedly arranged at the bottom of the inner wall of the holding sleeve (1), a first threaded rod (2) is fixedly arranged at the power output end of the motor (3), and a first connecting plate (15) is fixedly arranged at one end, far away from the motor (3), of the first threaded rod (2).

3. A liquid extraction device according to claim 2, wherein: one end, far away from the first threaded rod (2), of the first connecting plate (15) is symmetrically and fixedly provided with fixing devices (16), and two fixing devices (16) are matched and provided with second connecting plates (18).

4. A liquid extraction device according to claim 1 wherein: the clamping block (1603) is matched with the limiting clamping groove (17).

5. A liquid extraction device according to claim 1 wherein: the third connecting block (11) is provided with a pressing block (12) in a sliding mode, two sides of the pressing block (12) are symmetrically provided with second connecting rods (13) in a rotating mode, one side, away from the pressing block (12), of each second connecting rod (13) is provided with a limiting block (8) in a rotating mode, and springs (9) are fixedly arranged between the limiting blocks (8) and the corresponding second connecting blocks (6) respectively.

6. A liquid extraction device according to claim 1 wherein: the extraction pipe (19) is fixedly arranged near the center of the side face of the second connecting block (6), an ejection mechanism (14) is arranged at the front end of the ejection mechanism (14), and a needle tube (10) is arranged at the front end of the ejection mechanism.