High-pressure quick connector resistant to strong acid and strong alkali

Abstract

The utility model relates to a strong acid and strong alkali resistant high pressure quick plug connector, which comprises a connector, a connecting piece, a sealing piece, a pipeline and a limiting piece, the sealing piece is sleeved on the connector, the connecting piece comprises a quick connecting sleeve and a quick connecting sleeve head, the quick connecting sleeve is sleeved on the connector, the quick connecting sleeve head is sleeved on the pipeline, and the limiting piece is sleeved on the pipeline. The quick connecting sleeve on the pipeline is detachably connected with the quick connecting sleeve head on the connector, the connector is sleeved with a sealing piece, the sealing piece is sleeved with a limiting piece, the pipeline is sleeved with a clamping piece, and the clamping piece and the limiting piece are matched to limit the positions of the pipeline and the connector. A first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring and a fifth sealing ring are further arranged on the connector, and when the sealing rings at the connecting position of the connector and the pipeline lose efficacy, the connecting position can be sealed through a sealing structure which is arranged in the connecting piece and used for sealing the connector and the pipeline. By means of the structure with the double-sealing measure, quick connection and disconnection are achieved, and meanwhile the air tightness of the connecting position is guaranteed.

Description

Technical Field

[0001] The utility model relates to a quick connector for high-pressure gas, in particular to a high-pressure quick-plug connector which is resistant to strong acids and alkalis. Background Art

[0002] A high-pressure gas connector is a connector used to connect high-pressure gas. During the high-pressure gas filling process, it is necessary to ensure that no leakage occurs and to ensure uniform and stable filling to avoid accidents due to excessive gas pressure and cause harm to operators. High-pressure gas connectors are mainly used for the quick installation of air pipelines and connector accessories for pneumatic tools. During the use of current high-pressure gas quick connectors, gas leakage may occur when the pressure is too high, the kit is aging, or the operation is improper. When the leakage is slow, it is difficult for the user to detect it in time, resulting in potential risks of use. There is an urgent need for a high-pressure gas quick connector to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a high-pressure quick-plug connector resistant to strong acids and alkalis, so as to solve the problems existing in the above-mentioned prior art.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A high-pressure quick-connect connector resistant to strong acids and alkalis, comprising a connector, a connector, a seal, a pipeline and a limiter, wherein the connector is sleeved with a seal, the connector comprises a quick-connect sleeve and a quick-connect sleeve, the quick-connect sleeve is sleeved on the connector, the quick-connect sleeve is sleeved on the pipeline, the quick-connect sleeve on the pipeline and the quick-connect sleeve on the connector are detachably connected, the connector is sleeved with a seal, the seal is sleeved with a limiter, the pipeline is sleeved with a clamping piece, the clamping piece cooperates with the limiter to limit The relative position of the pipeline and the joint, the joint is also provided with a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring and a fifth sealing ring, the first sealing ring is sleeved on the sealing member, and the first sealing ring is tightly fitted with the joint, the second sealing ring is sleeved on the sealing member, and the second sealing ring is tightly fitted with the clamping member, the third sealing ring is sleeved on the clamping member, and the third sealing ring is tightly fitted with the pipeline, the fourth sealing ring is sleeved on the pipeline, and the fourth sealing ring is tightly fitted with the quick connection sleeve.

[0006] By adopting the above technical solution, when the sealing ring at the connection between the joint and the pipeline fails, the connection can also be sealed by the sealing structure for sealing the joint and the pipeline provided in the connector. The double sealing structure ensures the air tightness of the connection while achieving quick disconnection.

[0007] In a further embodiment, the limiting member includes a first sleeve body, a limiting protrusion arranged on the outer wall of the first sleeve body and an accommodating groove arranged on the inner wall of the first sleeve body, and one end of the clamping member close to the limiting member is set as an arc chamfer.

[0008] In a further embodiment, the first sealing ring, the second sealing ring, the third sealing ring, the fourth sealing ring and the fifth sealing ring are all made of PTFE.

[0009] In a further embodiment, the connector is provided with an extension end extending into the interior of the pipeline, and a guide structure is provided on the extension end.

[0010] In a further embodiment, the fifth sealing ring is disposed inside the extending end.

[0011] In a further embodiment, a limiting groove is provided on the outer wall of the pipeline.

[0012] In summary, the utility model has the following beneficial effects:

[0013] 1. When the sealing ring at the connection between the joint and the pipeline fails, the connection can be sealed by the sealing structure for sealing the joint and the pipeline provided in the connector. The double sealing structure ensures the airtightness of the connection while achieving quick disconnection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] In the figure, 1, joint; 2, connecting piece; 21, quick-connect sleeve; 22, quick-connect sleeve; 3, sealing piece; 4, pipeline; 5, limit piece; 6, first sealing ring; 7, second sealing ring; 8, third sealing ring; 9, fourth sealing ring; 10, fifth sealing ring. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the attached Figure 1In the description of this specification, the words "bottom" and "top", "inside" and "outside" refer to directions toward or away from a particular component geometry, respectively. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this specification, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0018] Embodiment 1:

[0019] like Figure 1 As shown, a high-pressure quick-connect connector resistant to strong acids and alkalis comprises a connector 1, a connector 2, a seal 3, a pipeline 4 and a limiter 5, the connector 1 is sleeved with a seal 3, the connector 2 comprises a quick-connect sleeve 21 and a quick-connect sleeve head 22, the quick-connect sleeve 21 is sleeved on the connector 1, the quick-connect sleeve head 22 is sleeved on the pipeline 4, the quick-connect sleeve 21 on the pipeline 4 and the quick-connect sleeve head 22 on the connector 1 are detachably connected, the connector 1 is sleeved with a seal 3, the seal 3 is sleeved with a limiter 5, the pipeline 4 is sleeved with a clamping member, the clamping member cooperates with the limiter 5 to limit the relative position of the pipeline 4 and the connector 1; the connector 1 is also provided with a first sealing ring 6, a second sealing ring 7, a third sealing ring 8, a fourth sealing ring 9 and a fifth sealing ring 10, the first sealing ring 6 is sleeved on the seal 3, and the first sealing ring 6 is tightly attached to the connector 1 The second sealing ring 7 is sleeved on the sealing member 3, and the second sealing ring 7 is tightly fitted with the clamping member, the third sealing ring 8 is sleeved on the clamping member, and the third sealing ring 8 is tightly fitted with the pipeline 4, the fourth sealing ring 9 is sleeved on the pipeline 4, and the fourth sealing ring 9 is tightly fitted with the quick connection sleeve 22, the limiting member 5 includes a first sleeve body, a limiting protrusion arranged on the outer wall of the first sleeve body and an accommodating groove arranged on the inner wall of the first sleeve body, the end of the clamping member close to the limiting member 5 is set as an arc chamfer, the first sealing ring 6, the second sealing ring 7, the third sealing ring 8, the fourth sealing ring 9 and the fifth sealing ring 10 are all made of PTFE material, the joint 1 is provided with an extension end extending to the inside of the pipeline 4, the extension end is provided with a guide structure, the fifth sealing ring 10 is arranged inside the extension end, and a limiting groove is provided on the outer wall of the pipeline 4.

[0020] Specific implementation process: When the sealing ring at the connection between the joint and the pipeline fails, the connection can also be sealed by the sealing structure for sealing the joint and the pipeline arranged in the connector. The double sealing structure ensures the airtightness of the connection while achieving quick disassembly.

[0021] In the embodiments disclosed in the present invention, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connect" can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the embodiments disclosed in the present invention can be understood according to specific circumstances.

[0022] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A high-pressure quick-connect connector resistant to strong acids and alkalis, comprising a connector (1), a connector (2), a sealing member (3), a pipeline (4) and a stopper (5), wherein the connector (1) is sleeved with a sealing member (3), the connector (2) comprises a quick-connect sleeve (21) and a quick-connect sleeve (22), the quick-connect sleeve (21) is sleeved on the connector (1), the quick-connect sleeve (22) is sleeved on the pipeline (4), the quick-connect sleeve (21) on the pipeline (4) and the quick-connect sleeve (22) on the connector (1) are detachably connected, characterized in that: The joint (1) is sleeved with a sealing member (3), the sealing member (3) is sleeved with a limiting member (5), the pipeline (4) is sleeved with a clamping member, the clamping member and the limiting member (5) cooperate to limit the relative position of the pipeline (4) and the joint (1); the joint (1) is also provided with a first sealing ring (6), a second sealing ring (7), a third sealing ring (8), a fourth sealing ring (9) and a fifth sealing ring (10), the first sealing ring (6) being sleeved on the sealing member (3), and the first sealing ring (6) is tightly fitted with the joint (1), the second sealing ring (7) is sleeved on the sealing member (3), and the second sealing ring (7) is tightly fitted with the clamping member, the third sealing ring (8) is sleeved on the clamping member, and the third sealing ring (8) is tightly fitted with the pipeline (4), and the fourth sealing ring (9) is sleeved on the pipeline (4), and the fourth sealing ring (9) is tightly fitted with the quick connection sleeve (22).

2. The strong acid and alkali resistant high pressure quick-connect connector according to claim 1, characterized in that: The limiting member (5) comprises a first sleeve body, a limiting protrusion arranged on the outer wall of the first sleeve body and an accommodating groove arranged on the inner wall of the first sleeve body, and one end of the clamping member close to the limiting member (5) is arranged as an arc chamfer.

3. The strong acid and alkali resistant high pressure quick-connect connector according to claim 1, characterized in that: The first sealing ring (6), the second sealing ring (7), the third sealing ring (8), the fourth sealing ring (9) and the fifth sealing ring (10) are all made of PTFE.

4. The strong acid and alkali resistant high pressure quick-connect connector according to claim 1, characterized in that: The joint (1) is provided with an extension end extending into the interior of the pipeline (4), and a guide structure is provided on the extension end.

5. The strong acid and alkali resistant high pressure quick plug connector according to claim 4, characterized in that: The fifth sealing ring (10) is arranged inside the extending end.

6. The strong acid and alkali resistant high pressure quick-connect connector according to claim 1, characterized in that: A limiting groove is provided on the outer wall of the pipeline (4).

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