Ruhr interface plug with good sealing effect and convenient force application

By designing structures such as inner pipe, outer pipe, sealing gasket and pushing plate in the Luer interface, the existing Luer interface has been solved, and the effect of good sealing and convenient connection is achieved.

CN222942811UActive Publication Date: 2025-06-06苏州德运康精密模塑科技有限公司
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Patent Information

Application Number
CN202421162270.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-06-06
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The existing Ruhr interface is poorly sealed during use and is not convenient for pushing and connecting to the pipe.

Method used

A Luer interface plug with good sealing effect is designed. By installing inner tube, outer tube, sealing gasket and pushing plate in the Luer female connector and the Luer male connector, the connection sealing is ensured and the connection is easy to push.

Benefits of technology

It achieves good sealing of Ruhr female joints and Ruhr male joints, avoids the entry of impurities such as dust, and facilitates connection with pipes, improving the stability and efficiency of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of Luer connectors, in particular to a Luer connector plug convenient to apply force, which is good in sealing effect and comprises a spiral connector, an inner pipe is mounted in the spiral connector, a first blocking piece sleeved on the outer wall of the inner pipe is mounted in a Luer female connector, and a second blocking piece sleeved on the outer wall of the inner pipe is mounted in the Luer female connector. The right side of the first blocking piece is fixedly connected with a limiting barrel, a first sealing gasket is installed on the inner wall of the limiting barrel, the male Luer connector comprises a connecting piece, an outer pipe in threaded connection with the outer wall of the inner pipe is installed on the left side of the connecting piece, a second blocking piece is installed on the outer wall of the outer pipe, and the outer pipe is in threaded connection with the outer side of the inner pipe. Meanwhile, the outer pipe is connected with the first sealing gasket in an abutting mode, then the sealing performance of connection between the outer pipe and the inner pipe can be guaranteed, the interior of the spiral connector can be sealed through the second sealing gasket, and therefore the sealing performance of connection between the female Luer connector and the male Luer connector is achieved; and secondly, the connected Luer female connector and Luer male connector are pushed to be connected with a pipeline through a pushing plate.
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Description

Technical Field

[0001] The utility model relates to the technical field of Luer interfaces, in particular to a convenient force-applying Luer interface plug with good sealing effect. Background Art

[0002] The Luer connector is a standardized micro-vibration non-wetting connector that connects the male Luer connector to the matching female Luer connector. It is now widely used in medical and laboratory instruments. It is named after the 19th century German inventor of the instrument, Luer.

[0003] In clinical practice, medical staff often use tubes with Luer interfaces to perform a series of operations such as infusion and drainage for patients.

[0004] At present, when the Luer interface is used, the connection sealing between the Luer female connector and the Luer male connector is poor, and there is a lack of sealing structure inside the spiral connector. Secondly, it is not convenient to push the Luer connector to connect with the pipeline. Therefore, it is necessary to propose a Luer interface plug with good sealing effect and convenient force application to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a convenient force-applying Luer interface plug with good sealing effect, which has the characteristics of ensuring the sealing of the connection between the Luer female connector and the Luer male connector, and secondly facilitating the connection of the Luer female connector and the Luer male connector to be pushed and connected to a pipeline.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convenient force-applying Luer interface plug with good sealing effect, comprising a Luer female connector and a Luer male connector, the Luer female connector comprising a spiral connector, an inner tube is installed inside the spiral connector, a first baffle is installed inside the Luer female connector which is sleeved on the outer wall of the inner tube, a limiting cylinder is fixedly connected to the right side of the first baffle, a first sealing gasket is installed on the inner wall of the limiting cylinder, the Luer male connector comprises a connecting piece, an outer tube threadedly connected to the outer wall of the inner tube is installed on the left side of the connecting piece, a second baffle is installed on the outer wall of the outer tube, a second sealing gasket is installed on the left side of the second baffle, and a push plate is fixedly connected to the outer wall of the spiral connector.

[0007] In order to increase the stability of pushing, as a preferred convenient force-applying Luer interface plug with good sealing effect of the utility model, two force-applying grooves are fixedly connected to the left side of the pushing plate.

[0008] In order to increase the sealing performance inside the spiral joint, as a preferred convenient force-applying Luer interface plug with good sealing effect of the utility model, the diameter of the second sealing gasket is larger than that of the spiral joint, and the second sealing gasket abuts against the spiral joint.

[0009] In order to ensure the sealing performance of the connection between the outer tube and the inner tube, as a preferred convenient force-applying Luer interface plug with good sealing effect of the utility model, the left side of the outer tube abuts against the inner wall of the first sealing gasket.

[0010] In order to ensure the smooth flow of liquid, as a preferred convenient force-applying Luer interface plug with good sealing effect of the utility model, an internal rotating joint connected to the inner tube is installed on the left side of the spiral joint, and an external rotating joint connected to the outer tube is installed on the right side of the connecting piece.

[0011] In order to seal and connect the Luer female connector and the Luer male connector to the pipeline, as a preferred convenient force-applying Luer interface plug with good sealing effect of the utility model, the internal rotating connector and the external rotating connector are both in a conical structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model firstly connects the outer tube to the outer side of the inner tube through a thread, and at the same time, the left side of the outer tube enters into the limiting cylinder and abuts against the first sealing gasket, thereby ensuring the sealing of the connection between the outer tube and the inner tube, and at the same time, the right side of the spiral joint abuts against the second baffle, and the spiral joint can be sealed by the second sealing gasket to avoid the entry of impurities such as dust during use, thereby achieving the sealing of the connection between the Luer female connector and the Luer male connector, and secondly, the pushing plate is used to push the connected Luer female connector and the Luer male connector to be connected to the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall structure diagram of the utility model;

[0015] Figure 2 It is the overall cross-sectional structural diagram of the utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of the first baffle of the utility model.

[0017] In the figure: 1. Luer female connector; 101. spiral connector; 102. inner tube; 103. internal rotating connector; 2. Luer male connector; 201. connector; 202. outer tube; 203. external rotating connector; 3. first baffle; 301. limiting cylinder; 302. first sealing gasket; 4. second baffle; 401. second sealing gasket; 5. push plate; 501. force application groove. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3A convenient force-applying Luer interface plug with good sealing effect comprises a Luer female connector 1 and a Luer male connector 2, wherein the Luer female connector 1 comprises a spiral connector 101, an inner tube 102 is installed inside the spiral connector 101, a first baffle 3 sleeved on the outer wall of the inner tube 102 is installed inside the Luer female connector 1, a limiting cylinder 301 is fixedly connected to the right side of the first baffle 3, a first sealing gasket 302 is installed on the inner wall of the limiting cylinder 301, the Luer male connector 2 comprises a connecting piece 201, an outer tube 202 threadedly connected to the outer wall of the inner tube 102 is installed on the left side of the connecting piece 201, a second baffle 4 is installed on the outer wall of the outer tube 202, a second sealing gasket 401 is installed on the left side of the second baffle 4, and a push plate 5 is fixedly connected to the outer wall of the spiral connector 101.

[0019] In this embodiment: the outer tube 202 is sleeved on the outside of the inner tube 102, and the spiral joint 101 is rotated so that the outer tube 202 is threadedly connected to the outer wall of the inner tube 102, and at the same time, the left side of the outer tube 202 enters the limiting cylinder 301 and abuts against the first sealing gasket 302, thereby ensuring the sealing of the connection between the outer tube 202 and the inner tube 102. At the same time, the right side of the spiral joint 101 abuts against the second baffle 4, and the second sealing gasket 401 can be used to seal the inside of the spiral joint 101 to avoid the entry of impurities such as dust during use, thereby achieving the sealing of the connection between the Luer female connector 1 and the Luer male connector 2. Secondly, the push plate 5 is used to facilitate the connected Luer female connector 1 and the Luer male connector 2 to be pushed and connected to the pipeline.

[0020] As a technical optimization solution of the present invention, two force application grooves 501 are fixedly connected to the left side of the pushing plate 5 .

[0021] In this embodiment, the force application groove 501 can increase the stability of the pushing.

[0022] As a technical optimization solution of the present invention, the diameter of the second sealing gasket 401 is larger than that of the spiral joint 101 , and the second sealing gasket 401 abuts against the spiral joint 101 .

[0023] In this embodiment, the second sealing gasket 401 is in contact with the spiral joint 101, so that the sealing performance inside the spiral joint 101 can be increased to prevent dust and other impurities from entering.

[0024] As a technical optimization solution of the present invention, the left side of the outer tube 202 abuts against the inner wall of the first sealing gasket 302 .

[0025] In this embodiment, the left side of the outer tube 202 abuts against the inner wall of the first sealing gasket 302, thereby ensuring the sealing performance of the connection between the outer tube 202 and the inner tube 102.

[0026] As a technical optimization solution of the utility model, an internal rotating joint 103 connected to the inner tube 102 is installed on the left side of the spiral joint 101, and an external rotating joint 203 connected to the outer tube 202 is installed on the right side of the connecting piece 201.

[0027] In this embodiment, the inner swivel joint 103 and the outer swivel joint 203 can be connected to the pipeline, thereby ensuring smooth flow of liquid.

[0028] As a technical optimization solution of the present invention, both the internal rotating joint 103 and the external rotating joint 203 are of conical structure.

[0029] In this embodiment, the inner rotating joint 103 and the outer rotating joint 203 are both in a conical structure, so as to facilitate the sealing connection between the Luer female connector 1 and the Luer male connector 2 and the pipeline.

[0030] Working principle: first, the outer tube 202 is put on the outside of the inner tube 102, and the spiral joint 101 is rotated so that the outer tube 202 is threadedly connected to the outer wall of the inner tube 102, and at the same time, the left side of the outer tube 202 enters the limiting cylinder 301 and abuts against the first sealing gasket 302, thereby ensuring the sealing of the connection between the outer tube 202 and the inner tube 102. At the same time, the right side of the spiral joint 101 abuts against the second baffle 4, and the second sealing gasket 401 can be used to seal the inside of the spiral joint 101 to avoid the entry of impurities such as dust during use, thereby achieving the sealing of the connection between the Luer female connector 1 and the Luer male connector 2. The push plate 5 is used to facilitate the push of the connected Luer female connector 1 and the Luer male connector 2 to connect to the pipeline, and the force groove 501 can increase the stability of the push.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A Luer interface plug with good sealing effect and convenient force application, comprising a Luer female connector (1) and a Luer male connector (2), characterized in that: The Luer female connector (1) comprises a spiral connector (101), an inner tube (102) is installed inside the spiral connector (101), a first baffle (3) sleeved on the outer wall of the inner tube (102) is installed inside the Luer female connector (1), a limiting cylinder (301) is fixedly connected to the right side of the first baffle (3), a first sealing gasket (302) is installed on the inner wall of the limiting cylinder (301), the Luer male connector (2) comprises a connecting piece (201), an outer tube (202) threadedly connected to the outer wall of the inner tube (102) is installed on the left side of the connecting piece (201), a second baffle (4) is installed on the outer wall of the outer tube (202), a second sealing gasket (401) is installed on the left side of the second baffle (4), and a push plate (5) is fixedly connected to the outer wall of the spiral connector (101).

2. A convenient force-applying Luer interface plug with good sealing effect according to claim 1, characterized in that: The left side of the push plate (5) is fixedly connected with two force application grooves (501).

3. A convenient force-applying Luer interface plug with good sealing effect according to claim 1, characterized in that: The diameter of the second sealing gasket (401) is larger than that of the spiral joint (101), and the second sealing gasket (401) abuts against the spiral joint (101).

4. A convenient force-applying Luer interface plug with good sealing effect according to claim 1, characterized in that: The left side of the outer tube (202) abuts against the inner wall of the first sealing gasket (302).

5. A convenient force-applying Luer interface plug with good sealing effect according to claim 1, characterized in that: An inner rotating joint (103) communicating with the inner tube (102) is installed on the left side of the spiral joint (101), and an outer rotating joint (203) communicating with the outer tube (202) is installed on the right side of the connecting piece (201).

6. A convenient force-applying Luer interface plug with good sealing effect according to claim 5, characterized in that: The inner rotating joint (103) and the outer rotating joint (203) are both of conical structure.