CN217448705U - Three-way valve for medical drainage - Google Patents

Abstract

The utility model discloses a three-way valve that medical drainage was used, including spacing joint, luer joint and tee bend base, the back mounted of tee bend base has the spacing joint subassembly, luer joint is all installed to the front of tee bend base and one side, the surface threaded connection of spacing joint has stop nut, the mainstream pipe is installed to stop nut's front end, secondary flow pipe's surface is provided with control flap, and the mainstream pipe is located secondary flow pipe's inboard, the inner wall of mainstream pipe is provided with one-way plectrum. The utility model discloses a control flap on the inferior flow tube is opened to the accessible to spacing setting of connecting, stop nut, mainstream pipe, inferior flow tube, current drainage pipe assembly and linking pipe assembly to add the drainage effect of inferior flow tube and linking pipe assembly, alleviate the drainage burden of mainstream pipe and current drainage pipe assembly then, play certain cushioning effect, thereby keep the high efficiency of device drainage work.

Description

Three-way valve for medical drainage

Technical Field

The utility model relates to a medical equipment technical field specifically is a three-way valve that medical drainage was used.

Background

In the existing medical drainage work, the three-way valve is of an important functional structure in use, but certain defects still exist in the use of part of medical three-way valves, so that the existing use requirements are difficult to meet, and the usability of the device is poor.

The three-way valve for medical drainage in the prior art has the defects that:

patent document CN211536212U discloses a medical three-way valve for continuous inflation or perfusion, which comprises a three-way valve main body, an outward-inward one-way valve port, an inward-outward one-way valve port and a normally-open port, wherein the top end of the three-way valve main body is fixedly connected with the inward one-way valve port, the other end of the bottom of the three-way valve main body is fixedly connected with the normally-open port, the middle periphery of the normally-open port is connected with an adjusting fastening valve in a nesting manner, the middle lap joint at the top inside of the three-way valve main body is connected with a first one-way valve, the first one-way valve can ensure the diversion and flow-distribution effect of the three-way valve main body, thereby achieving the effects of reasonably saving manufacturing materials and reducing manufacturing cost, being convenient for patients to use, and adjusting the fastening valve, the drainage device has wide application prospect in the future, and the drainage efficiency of the device has certain defects because the device lacks an applicable drainage pressure-relieving structure in drainage work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-way valve that medical drainage was used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a medical three-way valve for drainage, which comprises a limit joint, a Ruhr joint and a three-way base, wherein the back of the three-way base is provided with the limit joint, and the front and one side of the three-way base are both provided with the Ruhr joint;

the outer surface of the limiting joint is in threaded connection with a limiting nut, a main flow pipe is installed at the front end of the limiting nut, and a secondary flow pipe is installed at the front end of the limiting nut;

the surface of inferior flow tube is provided with control flap, and the mainstream pipe is located the inboard of inferior flow tube, the inner wall of mainstream pipe is provided with one-way plectrum.

Preferably, the outer surface threaded connection of luer connects has the linking nut, luer connects's internally mounted has the filter seat, the front end and the tail end of filtering the seat all are provided with spacing rack.

Preferably, the tee joint base is internally provided with a tee joint rotary core assembly, and the top of the tee joint rotary core assembly is provided with a limiting handle.

Preferably, the inside of filtering the seat is provided with adsorbs the seat, the inside of adsorbing the seat is provided with the adsorbed layer.

Preferably, the output end of the main flow pipe is provided with a drainage pipe assembly, and the output end of the secondary flow pipe is provided with an adapter pipe assembly.

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

1. the utility model discloses a control flap on the inferior flow tube is opened to the accessible to spacing setting of connecting, stop nut, mainstream pipe, inferior flow tube, current drainage pipe assembly and linking pipe assembly to add the drainage effect of inferior flow tube and linking pipe assembly, alleviate the drainage burden of mainstream pipe and current drainage pipe assembly then, play certain cushioning effect, thereby keep the high efficiency of device drainage work.

2. The utility model discloses a luer connects, links up the nut, crosses the setting of filter seat, spacing rack, adsorption seat and adsorbed layer, in drainage work, plays good absorbent effect of filtration to drainage industry, crosses the filter seat and has good just tearing open nature to add the usability of device, through filtration and absorption to drainage liquid, alleviate the wearing and tearing that the inside circulation of device caused the inner wall then.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a schematic cross-sectional view of a luer fitting structure of the present invention;

FIG. 3 is a schematic sectional view of the filter base of the present invention;

fig. 4 is a schematic sectional view of the spacing joint structure of the present invention.

In the figure: 1. a limiting joint; 2. a luer fitting; 3. a three-way base; 4. a limit nut; 5. a main flow pipe; 6. a secondary flow tube; 7. a unidirectional shifting sheet; 8. a joining nut; 9. a filter base; 10. a limiting net rack; 11. A three-way rotary core assembly; 12. a limiting handle; 13. an adsorption seat; 14. an adsorption layer; 15. a drain tube assembly; 16. an engagement tube assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 and 4, an embodiment of the present invention provides a three-way valve for medical drainage, including a limit joint 1, a limit nut 4 and a main flow pipe 5, the back of a three-way base 3 is provided with the limit joint 1, the front and one side of the three-way base 3 are both provided with luer joints 2, the outer surface of the limit joint 1 is connected with the limit nut 4 by screw threads, the main flow pipe 5 is installed at the front end of the limit nut 4, a drainage pipe assembly 15 is installed at the output end of the main flow pipe 5, a connecting pipe assembly 16 is installed at the output end of the secondary flow pipe 6, the secondary flow pipe 6 is installed at the front end of the limit nut 4, a control valve is arranged on the surface of the secondary flow pipe 6, the main flow pipe 5 is located inside the secondary flow pipe 6, and the inner wall of the main flow pipe is provided with a one-way shifting piece 7;

through the setting of spacing joint 1, stop nut 4, mainstream pipe 5, inferior flow pipe 6, drainage pipe subassembly 15 and joint pipe subassembly 16, the control valve on the inferior flow pipe 6 is opened to the accessible to add the drainage effect of inferior flow pipe 6 and joint pipe subassembly 16, alleviate the drainage burden of mainstream pipe 5 and drainage pipe subassembly 15 then, play certain cushioning effect, thereby the high efficiency of the maintenance device drainage work.

Example two:

referring to fig. 1 and 4, an embodiment of the present invention provides a medical three-way valve for drainage, including a luer connector 2, a joining nut 8 and a filtering seat 9, wherein the outer surface of the luer connector 2 is connected with the joining nut 8 by a thread, the filtering seat 9 is installed inside the luer connector 2, the front end and the tail end of the filtering seat 9 are both provided with a limiting net rack 10, the inside of the three-way base 3 is provided with a three-way rotary core assembly 11, the top of the three-way rotary core assembly 11 is provided with a limiting handle 12, the inside of the filtering seat 9 is provided with an adsorption seat 13, and the inside of the adsorption seat 13 is provided with an adsorption layer 14;

through luer 2, linking nut 8, filter seat 9, spacing rack 10, adsorption seat 13 and the setting of adsorbed layer 14, in the drainage work, play good absorbent effect of filtering to the drainage industry, filter seat 9 and have good just nature of tearing open to add the usability of device, through filtration and the absorption to the drainage liquid, alleviate the wearing and tearing that the inside circulation of device caused the inner wall then.

The utility model discloses in, the device's working procedure as follows:

through the collocation work of the limit joint 1 and the limit nut 4, the limit nut 4 plays a role in wrapping and fastening the limit joint 1, the limit nut 4 is provided with a main flow pipe 5 and a secondary flow pipe 6, the limit nut 4 is installed, when the drainage work is carried out, the main flow pipe 5 and a drainage pipe assembly 15 can be used for carrying out effective drainage work, a control valve on the secondary flow pipe 6 can be opened through the control valve, so that the drainage effect of the secondary flow pipe 6 and a linking pipe assembly 16 is increased, the drainage burden of the main flow pipe 5 and the drainage pipe assembly 15 is reduced, a certain buffering effect is achieved, the high efficiency of the drainage work of the device is maintained, through the arrangement of a Ruhr joint 2 and a linking nut 8, the filter seat 9 is clamped in the Ruhr joint 2, a good limiting effect is achieved on the internal filter seat 9 through the threaded installation of the linking nut 8, and the filter seat 9 is provided with a limit net rack 10, The setting of adsorption seat 13 and adsorbed layer 14 plays good filtration absorbent effect to the drainage industry in drainage work, filters seat 9 and has good just dismantlement nature to add the usability of device, through the filtration and the absorption to the drainage liquid, alleviate the wearing and tearing that the inside circulation of device caused the inner wall then.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a three-way valve that medical drainage was used, includes spacing joint (1), luer joint (2) and tee bend base (3), its characterized in that: the back of the three-way base (3) is provided with a limiting joint (1), and the front and one side of the three-way base (3) are provided with Ruhr joints (2);

the outer surface of the limiting joint (1) is in threaded connection with a limiting nut (4), a main flow pipe (5) is installed at the front end of the limiting nut (4), and a secondary flow pipe (6) is installed at the front end of the limiting nut (4);

the surface of inferior flow pipe (6) is provided with control flap, and mainstream pipe (5) are located the inboard of inferior flow pipe (6), the inner wall of mainstream pipe is provided with one-way plectrum (7).

2. A three-way valve for medical drainage according to claim 1, wherein: the outer surface threaded connection of luer joint (2) has linking nut (8), the internally mounted of luer joint (2) has filter seat (9), the front end and the tail end of filtering seat (9) all are provided with spacing rack (10).

3. A three-way valve for medical drainage according to claim 1, wherein: the tee joint base is characterized in that a tee joint rotary core assembly (11) is arranged inside the tee joint base (3), and a limiting handle (12) is arranged at the top of the tee joint rotary core assembly (11).

4. A three-way valve for medical drainage according to claim 2, wherein: the inside of filtering seat (9) is provided with adsorbs seat (13), the inside of adsorbing seat (13) is provided with adsorbed layer (14).

5. A three-way valve for medical drainage according to claim 1, wherein: the output end of the main flow pipe (5) is provided with a drainage pipe assembly (15), and the output end of the secondary flow pipe (6) is provided with a connecting pipe assembly (16).

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