CN115054819A - Exhaust device for butt joint pipeline - Google Patents

Abstract

The invention discloses an exhaust device for connecting pipelines, comprising end caps on both sides and a deformable structural member connecting the two end caps in the middle. The end caps are connected to form a water injection cavity, wherein the end cover is formed by butting at least two parts in an openable manner, and a pipe hole connected to the water injection cavity is formed at the docking position; the water injection cavity is also provided with a water injection hole And the exhaust hole, when the exhaust device is arranged horizontally, the height of the exhaust hole is higher than the height of the two pipe holes. The invention has the advantages of quick butt joint pipeline, and the gas in the pipeline can be evacuated during docking.

Description

An exhaust device for docking pipelines

technical field

The present invention relates to the technical field of medical equipment, in particular to an exhaust device used for butt joint pipelines.

Background technique

In medical devices, when it comes to the connection between pipelines, the method usually used is to directly connect the two pipelines, but during the docking process, gas will enter the pipeline; the current solution is to connect the pipelines There is an exhaust device in the device, which will make the overall structure of the medical device complicated, but if the gas in the pipeline is not eliminated, a large number of air bubbles will be formed during the pumping process of the heart, causing shock or even life-threatening. How to make the structure simple, and at the same time, the pipeline can be quickly connected and the gas can be discharged at the same time, which is a problem that needs to be solved urgently at present.

SUMMARY OF THE INVENTION

The technical problem to be solved by the embodiments of the present invention is to provide an exhaust device for butting pipelines, which can quickly connect the pipelines, and can empty the gas in the pipelines during the docking.

In order to solve the above technical problems, one aspect of the present invention provides an exhaust device for butt-jointed pipelines, comprising end caps on both sides and a deformable structural member connecting the two end caps in the middle, the deformable structural member It is a cylindrical structure, and the deformable structural member is connected with the end caps on both sides to form a water injection cavity, wherein the end cap is formed by at least two parts butted in an openable manner, and is connected to the water injection cavity at the docking position. The water injection cavity is also provided with a water injection hole and an exhaust hole. When the exhaust device is arranged horizontally, the height of the exhaust hole is higher than the height of the two pipe holes.

In a feasible implementation manner, when the exhaust device is arranged horizontally, it means that the pipe holes on the two end caps are located at the same level, or are substantially located at the same level.

In a feasible implementation manner, a drainage hole is further included, the drainage hole is located on the end cover or the deformable structural member, and the height of the drainage hole is lower than the height of the water injection hole.

In a feasible implementation manner, the height of the water injection hole is lower than the height of the exhaust hole.

In a feasible implementation manner, the water injection hole and the exhaust hole are arranged at the same position.

In a feasible implementation manner, the water injection hole is located on the end cover or the deformable structure; the exhaust hole is located on the end cover or the deformable structure.

In a feasible implementation manner, the end caps are connected in a left-right butt-joint or up-down butt-joint manner.

In a feasible implementation manner, a sealing gasket is provided on the butting surfaces of the two parts of the end cap.

In a feasible implementation manner, the deformable structural member is made of a transparent material, or the deformable structural member includes a transparent part, so that the inside of the water injection cavity can be observed through the transparent part.

In a feasible implementation manner, a water injection pipe is installed in the water injection hole, and an exhaust valve is installed in the exhaust hole;

A conduit is installed in the pipe hole.

Correspondingly, another aspect of the present invention also provides an exhaust device for connecting pipelines, comprising end caps on both sides and a deformable structural member connecting the two end caps in the middle, wherein the deformable structural member is U The deformable structure is connected with the end caps on both sides to form a water injection cavity, wherein the end cap is formed by at least two parts butted in an openable manner, and forms a pipe connected to the water injection cavity at the docking position A hole, the position of the pipe hole is correspondingly close to the bottom of the deformable structural member.

In a feasible implementation manner, the end cap includes a first part and a second part, wherein the first part has a U-shaped groove, the second part is installed in the U-shaped groove, and the two parts are connected in the U-shaped groove after being butted. The bottom of the tube forms the tube hole.

Implement the present invention, have the following beneficial effects:

The invention provides an exhaust device for pipeline docking. The deformable structural member and the end caps on both sides are connected to form a water injection cavity. The pipeline is quickly docked in the water injection cavity, and the water in the cavity can be discharged from the pipe. In addition, the end caps on both sides are formed by at least two parts butted in an openable manner, which is convenient to disassemble after the pipelines are connected.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not limiting of the present application.

Description of drawings

The accompanying drawings are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the description, serve to explain the principles of the present application, and do not constitute an improper limitation of the present application.

1 is a schematic diagram of an exhaust device in an embodiment of the present invention;

Fig. 2 is the schematic diagram of the end cap in the embodiment of the present invention;

3 is a schematic diagram of an end cap in an embodiment of the present invention.

Reference numbers in the figures:

1- Structural parts;

2-end cap;

3- water injection hole;

4- exhaust hole;

5- Gasket;

6 - catheter;

7- Tube hole.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1 , this embodiment provides an exhaust device for connecting pipelines. The deformable structural member 1 is a cylindrical structure, and the deformable structural member 1 is connected with the end caps 2 on both sides to form a water injection cavity. ; Wherein, the sealing connection between the end cap 2 and the deformable structural member 1 ensures no leakage after water injection; in addition, considering the pipeline connection for medical equipment, the water in this embodiment can usually be physiological saline or Medical colloid solution, so that the exhaust device provided in this embodiment meets the medical safety requirements during the implementation process.

In addition, the end cover 2 is formed by butting two parts in an openable manner, and a pipe hole 7 connected to the water injection cavity is formed at the butting position, so that when the two parts of the end cover 2 are opened, the pipe hole 7 also follows. Open, the conduit 6 installed in the pipe hole 7 can be freely taken out; the water injection cavity is also provided with a water injection hole 3 and an exhaust hole 4. When the exhaust device is arranged horizontally, the height of the exhaust hole 4 is higher than the two holes. The height of each tube hole 7. The advantage of this design is that after the water injection cavity floods the pipe hole 7 with water, the gas at the pipe hole 7 will be squeezed by the water to move upward, and the upward moving gas will be discharged from the exhaust hole 4 . At the same time, when the exhaust device is arranged horizontally, the pipe holes 7 on the two end caps 2 are located at the same level, or basically at the same level, so as to facilitate the connection between the pipelines when the two conduit joints are at the same level.

In a possible solution, the exhaust device further includes a drainage hole, the drainage hole is located on the end cover 2 or the deformable structural member 1, the height of the drainage hole is lower than the height of the water injection hole 3, and can be optimally arranged at The bottom of the entire exhaust device is convenient to drain excess water from the drain hole after the pipeline is connected; it also avoids that when the height of the drain hole is higher than the height of the water injection hole 3, the water is discharged from the water injection hole 3 first. Generally, the drainage hole can be set as an openable structure, or a drainage valve is provided in the drainage hole, so that the opening or closing of the drainage hole can be controlled.

In a preferred solution, the height of the water injection hole 3 can be equal to or lower than the height of the exhaust hole 4, so that when the water is poured out of the water injection cavity, the water will not touch the exhaust hole 4 and affect the drainage. The exhaust effect of the air hole 4. In another preferred solution, the water injection hole 3 and the exhaust hole 4 are arranged at the same position, either on the end cover 2 or on the deformable structural member 1. At this time, the water injection hole 3 and the drainage hole are set at the same position. The holes 4 are integrated into the same hole, and a water injection pipe is installed in the hole and a space for exhausting is reserved, so that the structure can be simpler.

In a possible solution, as shown in Figure 1, the water injection hole 3 is located on the end cover 2 on one side, and the exhaust hole 4 is located on the end cover 2 on the other side; water is injected from the water injection hole 3, which can be deformed The air in the structural member 1 is squeezed by the water and discharged from the exhaust hole 4 . Of course, the water injection hole 3 and the exhaust hole 4 can also be located on the same side end cover 2; in addition, the water injection hole 3 can also be located on the deformable structural member 1, and the exhaust hole 4 can also be located on the deformable structural member 1, or two All of them are arranged on the deformable structural member 1; as long as it is ensured that the water can enter the water injection cavity, and the gas in the water injection cavity can be discharged at the same time.

In a possible solution, as shown in FIG. 2 , the end caps 2 are connected in a left-right butt-joint manner. Specifically, the two parts of the end cap 2 can be fixed by means of snaps or screws; A gasket 5 is provided on the butting surface of the part, through which the two parts of the end cover 2 are connected more tightly on the one hand, and the sliding of the two parts of the end cover 2 is avoided, and on the other hand, the conduit 6 and the pipe hole 7 are connected. It is tighter to prevent the water from flowing out of the water injection cavity. Of course, the end caps 2 can also be connected in a way of butting up and down.

In a possible solution, the deformable structural member 1 may include a transparent part, and the inside of the water injection cavity can be observed through the transparent part. On the one hand, the water injection volume can be observed when water is injected into the water injection cavity; Connections in the water injection cavity. Of course, the deformable structural member 1 can also be all made of transparent materials.

In a possible solution, a water injection pipe is installed in the water injection hole 3, and an exhaust valve is installed in the exhaust hole 4; a conduit 6 is installed in the pipe hole 7, and the main function of installing the water injection pipe is to inject water into the deformable structural member The main function of installing the exhaust valve is to discharge the excess gas in the water injection cavity after the deformable structural member 1 is filled with water. Preferably, a one-way exhaust valve is installed to prevent external gas from entering the water injection cavity of the deformable structural member 1; The main function of installing the conduit 6 in the pipe hole 7 is to allow the conduit 6 to pass through the pipe hole 7 to be butted in the water injection cavity.

When the deformable structural member 1 is a cylindrical structure, the specific working process of the exhaust device includes:

First, water is injected into the water injection cavity through the water injection hole 3; the water surface height is observed through the deformable structural member 1. When the water submerges the conduit 6, the end caps 2 on both sides move towards each other to squeeze the deformable structural member 1, and the two conduits 6 Pipe head connection; when the connection is completed, the excess water in the water injection cavity is drained from the drain hole, and then the end caps 2 on both sides are opened first, and then the deformable structural parts 1 are cut to complete the connection of the pipeline. Of course, the pipeline connection process mentioned here is only a preferred solution, including but not limited to this.

This embodiment also provides an exhaust device for connecting pipelines. The deformable structural member 1 is a U-shaped structure, and the deformable structural member 1 is connected with the end caps 2 on both sides to form a water injection cavity, wherein the end caps 2 It is formed by butting two parts in an openable manner (as shown in Figure 2 or Figure 3), and at the butting position, a pipe hole 7 connected to the water injection cavity is formed, and the position of the pipe hole 7 is correspondingly close to the deformable structural member 1. The bottom of the U-shaped deformable structural member 1 is an open structure with an upper opening relative to the cylindrical closed structure, so it is usually not necessary to provide additional water injection holes 3, drainage holes and exhaust holes 4, which can be directly Water injection, exhaust and drainage are performed above the U-shaped structure; at the same time, the deformable structural structural parts do not need to be made of transparent materials or provided with transparent parts, and the water injection and pipeline connections can be directly observed through the U-shaped opening.

In addition, as shown in FIG. 3 , a preferred embodiment of the U-shaped end cap 2 includes a first part and a second part, wherein the first part has a U-shaped groove, the second part is installed in the U-shaped groove, and the two are butted together. Then, a pipe hole 7 is formed at the bottom of the U-shaped groove, and a pipe hole 7 is formed at the bottom, which can reduce the volume of water injected into the U-shaped groove.

When the deformable structural member 1 is a U-shaped structure, the specific working process of the exhaust device includes:

First, inject water into the water injection cavity; observe the height of the water surface, when the water submerges the conduit 6, the end caps 2 on both sides move towards each other to squeeze the deformable structural member 1 to connect the pipe heads of the two conduits 6; The excess water in the deformable structural member 1 is poured out from the U-shaped opening at the top, and then the end cap 2 is opened to complete the connection of the pipeline. Of course, the process of pipeline connection mentioned here is only a preferred solution, including but not limited to this. In addition, compared with the deformable structural member 1 of the cylindrical structure, the deformable structure 1 of the U-shaped structure does not need to destroy the deformable structural member 1 after pipeline connection, and can be reused.

In the exhaust device for pipeline docking provided by the present invention, the deformable structural member 1 and the end caps 2 on both sides are connected to form a water injection cavity, the pipelines are quickly docked in the water injection cavity, and the water in the water injection cavity can be discharged from the pipe. The gas in the pipeline; in addition, the end caps 2 on both sides are formed by connecting at least two parts in an openable manner, and it is convenient to disassemble after the pipelines are connected.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (12)

1. An exhaust device for a butt joint pipeline is characterized by comprising end covers on two sides and a deformable structural member, wherein the deformable structural member is connected with the end covers on the two sides to form a water injection cavity, the deformable structural member is connected with the end covers on the two sides to form the water injection cavity, at least two parts of the end covers are in butt joint in an openable mode, and pipe holes communicated with the water injection cavity are formed in the butt joint position; and when the exhaust device is horizontally arranged, the height of the exhaust hole is higher than that of the two pipe holes.

2. An exhaust device for a docking line according to claim 1,

when the exhaust device is horizontally arranged, the pipe holes in the two end covers are located at the same horizontal height, or are located at the same horizontal height basically.

3. An exhaust device for a docking line according to claim 1,

the water injection structure further comprises a water discharge hole, the water discharge hole is located on the end cover or the deformable structural member, and the height of the water discharge hole is lower than that of the water injection hole.

4. An exhaust device for a docking line according to claim 1,

the height of the water injection hole is lower than that of the exhaust hole.

5. An exhaust device for a docking line according to claim 1,

the water injection hole and the exhaust hole are arranged at the same position.

6. The exhaust apparatus for a docking line according to claim 1,

the water injection hole is positioned on the end cover or the deformable structural part;

the vent hole is located on the end cap or the deformable structure.

7. An exhaust device for a docking line according to claim 1,

the end covers are connected in a left-right butt joint mode or an up-down butt joint mode.

8. An exhaust device for a docking line according to claim 7,

and sealing gaskets are arranged on the butt joint surfaces of the two parts of the end cover.

9. An exhaust device for a docking line according to claim 1,

the deformable structural part is made of transparent materials, or the deformable structural part comprises a transparent part, so that the inside of the water injection cavity body can be observed through the transparent part.

10. An exhaust device for a docking line according to claim 1,

a water injection pipe is arranged at the water injection hole, and an exhaust valve is arranged at the exhaust hole;

and a guide pipe is arranged in the pipe hole.

11. An exhaust device for a butt joint pipeline is characterized by comprising end covers on two sides and a deformable structural member, wherein the deformable structural member is connected with the end covers on the two sides to form a water injection cavity, the deformable structural member is of a U-shaped structure, the deformable structural member is connected with the end covers on the two sides to form the water injection cavity, at least two parts of the end covers are in butt joint in an openable mode, a pipe hole communicated with the water injection cavity is formed in the butt joint position, and the position of the pipe hole is correspondingly close to the bottom of the deformable structural member.

12. An exhaust device for a docking line according to claim 11,

the end cap comprises a first part and a second part, wherein the first part is provided with a U-shaped groove, the second part is arranged in the U-shaped groove, and the first part and the second part are butted to form the pipe hole at the bottom of the U-shaped groove.

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