Disposable check valve with multi-layer sealing design

Abstract

The utility model discloses a disposable check valve with a multilayer sealing design. The disposable check valve comprises a joint and a Luer check valve which are connected with each other, the joint is connected with the endoscope; a silica gel gasket is arranged at the interface position where the joint is in contact with the endoscope; a first connecting pipe is arranged at one end of the joint, and the other end of the joint is connected with the endoscope; a second connecting pipe is arranged at one end of the Luer check valve, and a third connecting pipe is arranged at the other end of the Luer check valve; an inner hole of the second connecting pipe is conical, and the hole diameter is gradually reduced; the first connecting pipe is inserted into the second connecting pipe to realize quick connection; a valve plate is arranged in the Luer check valve; the valve plate has a sealing and non-return function; the check valve is low in cost, convenient to assemble, good in sealing performance and good in check effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the improvement related technical field of check valve, specifically relates to a check valve of low cost, convenient to assemble, good leakproofness, good check effect one -off multilayer sealing design. BACKGROUND

[0002] In medical minimally invasive surgery, check valve is often used, the interface position of the joint of the existing product is not sealed, and leakage is caused in the use process, so that the operation process cannot be smoothly carried out, and the existing check valve is not convenient to connect and assemble in use, and the cost is also high.

[0003] Therefore, the utility model discloses a check valve of low cost, convenient to assemble, good leakproofness, good check effect one -off multilayer sealing design. SUMMARY

[0004] The utility model discloses a check valve of low cost, convenient to assemble, good leakproofness, good check effect one -off multilayer sealing design.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a check valve of one -off multilayer sealing design, which comprises a joint and a luer check valve which are connected with each other, the joint is connected with an endoscope, a silica gel gasket is arranged at the interface position of the joint and the endoscope, one end of the joint is provided with a first connecting pipe, and the other end is connected with the endoscope, one end of the luer check valve is provided with a second connecting pipe, and the other end is provided with a third connecting pipe, the inner hole of the second connecting pipe is conically arranged and gradually reduced in diameter, the first connecting pipe is inserted into the second connecting pipe to realize quick connection, a valve plate is arranged in the luer check valve, and the valve plate plays a sealing check function.

[0006] Preferably, the outer wall of the first connecting pipe is also provided with external threads, the second connecting pipe is correspondingly provided with internal threads, and the two are matched to realize more stable connection.

[0007] Preferably, the outer wall of the third connecting pipe is also provided with external threads.

[0008] Preferably, the joint is made of plastic material.

[0009] Preferably, the valve plate is made of silicone rubber.

[0010] Compared with the prior art, the utility model provides a check valve of one -off multilayer sealing design, which has the following beneficial effects:

[0011] 1. The utility model discloses a one -off multilayer sealing design's check valve one -off, can effectively eliminate medical staff and patient infection risk;

[0012] 2. Increase the sealing washer in the interface position contacted with the endoscope, can eliminate the water leakage problem, play the sealing effect, the sealing washer design is added in the luer check valve design, plays the sealing check function;

[0013] 3. The product joint adopts split design in the above-mentioned application, and the luer connection mode is convenient to assemble;

[0014] 4. The cost is lower, and there is certain advantage in market popularization and product application popularization, and the medical cost of patient is greatly reduced. DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiment of the utility model, and do not constitute the limitation to the utility model, and in the drawings:

[0016] Figure 1 It is a three -dimensional structure schematic diagram of one -off multilayer sealing design's check valve of the utility model proposes;

[0017] Figure 2 It is a three -dimensional exploded enlarged schematic diagram of one -off multilayer sealing design's check valve of the utility model proposes;

[0018] Figure 3 It is a three -dimensional structure schematic diagram of the joint of one -off multilayer sealing design's check valve of the utility model proposes;

[0019] Figure 4 It is a sectional enlarged schematic diagram of the joint of one -off multilayer sealing design's check valve of the utility model proposes;

[0020] Figure 5 It is a three -dimensional structure enlarged schematic diagram of the luer check valve of one -off multilayer sealing design's check valve of the utility model proposes;

[0021] Figure 6 It is a sectional enlarged schematic diagram of the luer check valve of one -off multilayer sealing design's check valve of the utility model proposes;

[0022] Figure 7 It is a three -dimensional structure enlarged schematic diagram of the silica gel washer of one -off multilayer sealing design's check valve of the utility model proposes;

[0023] In the figure: 1, joint; 2, luer check valve; 3, silica gel gasket; 11, first connecting pipe; 21, second connecting pipe; 22, third connecting pipe; 23, valve plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-7 The utility model provides a kind of technical solutions: a one-way valve of disposable multilayer sealing design, including the joint 1 and luer check valve 2 connected with each other;The joint 1 is connected with endoscope (not shown);The interface position of the joint 1 contacted with endoscope is provided with silica gel gasket 3;One end of the joint 1 is provided with first connecting pipe 11, and the other end is connected with endoscope (not shown);One end of the luer check valve 2 is provided with second connecting pipe 21, and the other end is provided with third connecting pipe 22;The inner hole of the second connecting pipe 21 is tapered, and the aperture gradually reduces;The first connecting pipe 11 is inserted into second connecting pipe 21 to realize quick connection;The luer check valve 2 is provided with valve plate 23;The valve plate 23 is made of silicone rubber.The valve plate 23 plays a sealing check function.

[0026] In the embodiment, outer thread is further provided on the outer wall of the first connecting pipe 11, and corresponding inner thread is provided in the second connecting pipe 21, so that more stable connection is realized.

[0027] In the embodiment, outer thread is further provided on the outer wall of the third connecting pipe 22.

[0028] In the embodiment, the joint 1 is made of plastic material.

[0029] When used, first connecting pipe 11 of joint 1 is inserted into second connecting pipe 21 to realize quick connection of joint 1 and luer check valve 2;The joint 1 is connected with endoscope (not shown);The interface position of the joint 1 contacted with endoscope is provided with silica gel gasket 3;In this way, it can be used normally, and the sealing property is good, and the check effect is good.

[0030] Compared with the prior art, the utility model has the following beneficial effects:

[0031] 1. The one-way valve of disposable multilayer sealing design can be used once, which can effectively prevent the risk of infection of medical staff and patients.

[0032] 2. The sealing gasket is added at the interface position in contact with the endoscope, which can prevent the water leakage problem and play a sealing role; the sealing gasket design is added in the luer check valve design, which plays a sealing check function;

[0033] 3. The product joint in the above-mentioned application adopts a split design, and a luer connection mode is adopted to facilitate assembly.

[0034] 4. The cost is relatively low, and there is a certain advantage in market promotion and product application popularization, which greatly reduces the medical cost of patients.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A single-use, multi-layer sealed design check valve, characterized by: The utility model provides a kind of endoscope connecting pipe, including mutually connected joint and luer check valve;The joint is connected with endoscope;The interface position of the joint with endoscope contact is provided with silica gel washer;One end of the joint is provided with first connecting pipe, and the other end is connected with endoscope;One end of the luer check valve is provided with second connecting pipe, and the other end is provided with third connecting pipe;The inner hole of the second connecting pipe is tapered, and the aperture gradually reduces;The first connecting pipe is inserted into the second connecting pipe to realize quick connection;The luer check valve is provided with valve plate inside;The valve plate plays the function of sealing check.

2. The single-use, multi-layer sealed design check valve of claim 1, wherein: The outer wall of the first connecting pipe is also provided with external thread, and the second connecting pipe is correspondingly provided with internal thread, and the two are matched to realize more stable connection.

3. The single-use, multi-layer sealed design check valve of claim 1, wherein: The outer wall of the third connecting pipe is also provided with external thread.

4. The single-use, multi-layer sealed design check valve of claim 1, wherein: The joint is made of plastic material.

5. The single-use multi-layer sealed design check valve of claim 1, wherein: The valve plate is made of silicone rubber.

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