CN219398429U

CN219398429U - High leakproofness's perfusion device end cover

Info

Publication number: CN219398429U
Application number: CN202222246277.5U
Authority: CN
Inventors: 毛瑞琪; 王金鹏; 蔡燕
Original assignee: Changguo Biomedical Technology Hebei Co ltd
Current assignee: Changguo Biomedical Technology Hebei Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-07-25
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to the technical field of blood perfusion devices, in particular to a perfusion device end cover with high sealing performance, which comprises: the perfusion device comprises a perfusion device cylinder body, wherein a positioning groove is arranged on the perfusion device cylinder body; the strip-shaped groove is internally provided with a positioning plate; the sliding groove is internally provided with a sliding block, and the sliding block is provided with a pressure spring; the beneficial effects are as follows: according to the high-tightness perfusion end cover provided by the utility model, the end cover is screwed on the perfusion tube body, and the positioning plate is pulled out from the strip-shaped groove, so that the transverse plate of the strip-shaped groove is clamped in the positioning groove on the side wall of the perfusion tube body, and the positioning protrusion on the positioning groove can limit the positioning plate.

Description

High leakproofness's perfusion device end cover

Technical Field

The utility model relates to the technical field of blood perfusion devices, in particular to a perfusion device end cover with high sealing performance.

Background

The blood perfusion device is mainly applied to adsorption of molecular toxins in acute and chronic drug poisoning and uremia, and adsorption of pathogenic factors in liver diseases and immune fields, and the main application modes of the blood perfusion device comprise a single blood perfusion mode, a combined blood perfusion mode of hemodialysis and a plasma separation adsorption mode, wherein the end cover is a connecting component of the blood perfusion device.

In the prior art, an end cover of a perfusion apparatus is installed on a perfusion apparatus body in a threaded connection mode.

However, the existing end caps are easy to rotate and separate, and if the sealing protection is not tight, air can enter the perfusion device to pollute substances filled in the perfusion device, the sterile environment is destroyed, the content can leak out, and the perfusion device is polluted.

Disclosure of Invention

The utility model aims to provide a perfusion end cover with high sealing performance, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high tightness perfusion end cap, the high tightness perfusion end cap comprising:

the perfusion device comprises a perfusion device cylinder body, wherein a positioning groove is arranged on the perfusion device cylinder body;

the strip-shaped groove is internally provided with a positioning plate;

the sliding groove is internally provided with a sliding block, and the sliding block is provided with a pressure spring.

Preferably, a plurality of positioning grooves are formed in the annular surface of the perfusion device cylinder body at equal intervals, and positioning protrusions are arranged on the upper side and the lower side of each positioning groove.

Preferably, the strip-shaped groove is formed in the end cover, and a sliding groove is formed in the strip-shaped groove.

Preferably, the locating plate is of an L-shaped arc plate structure, and grooves are formed in the upper side and the lower side of the transverse plate of the locating plate.

Preferably, the slider is arc platy structure, and accomodate the groove has been seted up to one side of slider, fixedly connected with pressure spring in the notch, and the other end and the locating plate of pressure spring are connected, and the opposite side is equipped with the screw hole.

Preferably, a screw is arranged in the threaded hole of the sliding block, one end of the screw is provided with a rotating handle, and the other end of the screw penetrates through the side plate of the end cover and extends into the sliding block.

Preferably, the upper end of the perfusion device cylinder body is provided with an internal thread, the perfusion device cylinder body is provided with an end cover, and a sealing ring is arranged in the end cover.

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

according to the high-tightness perfusion end cover provided by the utility model, the end cover is screwed on the perfusion tube body, and the positioning plate is pulled out from the strip-shaped groove, so that the transverse plate of the strip-shaped groove is clamped in the positioning groove on the side wall of the perfusion tube body, and the positioning protrusion on the positioning groove can limit the positioning plate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic diagram illustrating the structural function of the present utility model;

fig. 5 is an enlarged schematic view of the structure at C in fig. 4.

In the figure: the perfusion device comprises a perfusion device cylinder body 1, an end cover 2, a sealing ring 3, a positioning groove 4, a bar-shaped groove 5, a sliding groove 6, a positioning plate 7, a sliding block 8, a pressure spring 9 and a screw rod 10.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present utility model provides a technical solution: a high tightness perfusion end cap, the high tightness perfusion end cap comprising:

the perfusion device comprises a perfusion device cylinder body 1, wherein the upper end of the perfusion device cylinder body 1 is provided with internal threads, the perfusion device cylinder body 1 is provided with an end cover 2, a sealing ring 3 is arranged in the end cover 2, a plurality of positioning grooves 4 are uniformly arranged on the annular surface of the perfusion device cylinder body 1 at intervals, positioning protrusions are arranged on the upper side and the lower side of the positioning grooves 4, and the perfusion device cylinder body 1 is provided with the positioning grooves 4;

the strip-shaped groove 5 is formed in the end cover 2, a sliding groove 6 is formed in the strip-shaped groove 5, a positioning plate 7 is arranged in the strip-shaped groove 5, the positioning plate 7 is of an L-shaped arc-shaped plate structure, and grooves are formed in the upper side and the lower side of a transverse plate of the positioning plate 7;

the sliding chute 6 is internally provided with a sliding block 8, a screw rod 10 is arranged in a threaded hole of the sliding block 8, one end of the screw rod 10 is provided with a rotating handle, the other end penetrates through a side plate of the end cover 2 and extends into the sliding block 8, the sliding block 8 is of an arc-shaped plate-shaped structure, one side of the sliding block 8 is provided with a storage groove, a compression spring 9 is fixedly connected in a groove opening, the other end of the compression spring 9 is connected with the positioning plate 7, the other side of the compression spring is provided with a threaded hole, and the sliding block 8 is provided with the compression spring 9.

During the use, twist end cover 2 on perfusion device barrel 1, at rotatory screw rod 10, rotate out screw rod 10 from the screw hole of slider 8, at pulling locating plate 7, locating plate 7 drives slider 8 and removes in spout 6, pull out locating plate 7 from bar groove 5, pressure spring 9 in the slider 8 takes place deformation, hold the diaphragm card in the locating plate 7 in constant head tank 4, the protruding card in the recess of locating plate 7 of both sides about the constant head tank 4, fix a position locating plate 7, later in the screw hole with screw rod 10 spiro union in slider 8.

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

Claims

1. A high leakproofness's perfusion end cover, its characterized in that: comprising the following steps:

a perfusion device cylinder body (1), wherein a positioning groove (4) is arranged on the perfusion device cylinder body (1);

the strip-shaped groove (5), the strip-shaped groove (5) is internally provided with a positioning plate (7);

the sliding chute (6), the sliding chute (6) is internally provided with a sliding block (8), and the sliding block (8) is provided with a pressure spring (9);

a plurality of positioning grooves (4) are formed in the annular surface of the perfusion device cylinder body (1) at equal intervals, and positioning protrusions are arranged on the upper side and the lower side of each positioning groove (4);

the strip-shaped groove (5) is formed in the end cover (2), and a sliding groove (6) is formed in the strip-shaped groove (5).

2. The high tightness perfusion end cap of claim 1, wherein: the locating plate (7) is of an L-shaped arc plate structure, and grooves are formed in the upper side and the lower side of the transverse plate of the locating plate (7).

3. The high tightness perfusion end cap of claim 1, wherein: the sliding block (8) is of an arc-shaped plate-shaped structure, a storage groove is formed in one side of the sliding block (8), a pressure spring (9) is fixedly connected in the notch, the other end of the pressure spring (9) is connected with the positioning plate (7), and a threaded hole is formed in the other side of the pressure spring.

4. The high tightness perfusion end cap of claim 1, wherein: screw rods (10) are arranged in threaded holes of the sliding blocks (8), one ends of the screw rods (10) are provided with rotating handles, and the other ends penetrate through side plates of the end covers (2) and extend into the sliding blocks (8).

5. The high tightness perfusion end cap of claim 1, wherein: the upper end of the perfusion device cylinder body (1) is provided with internal threads, the perfusion device cylinder body (1) is provided with an end cover (2), and a sealing ring (3) is arranged in the end cover (2).