CN221943521U - A gas insulating quick connector - Google Patents

Abstract

The utility model discloses a gas insulating quick connector, comprising a base inner thread and a connecting thread, one end of the base inner thread is connected to one end of the connecting thread to form a connecting end, a clamping ring for positioning a bellows and a sealing ring for sealing the end of the bellows and the inner wall of the connecting end are arranged in the connecting end, and an insulating structure is also included, and the insulating structure is arranged between the inner wall of the connecting end and the clamping ring. The gas insulating quick connector has a reasonable structural design, the base inner thread and the connecting thread are both metal parts, and a transition ring and insulating pad paper are added inside the connector structure to achieve insulation between the bellows and the pipe fitting itself, and the sealing is reliable.

Description

A gas insulating quick connector

Technical Field

The utility model relates to the technical field of gas pipeline joints, in particular to a gas insulating quick joint.

Background Art

With the development of the times, people have higher and higher requirements for the safety of gas pipelines and joint products, especially the sealing and insulation of gas quick joints. Most metal joints do not have insulation functions. In order to ensure the insulation of the joints, existing gas quick joints mostly use plastic parts as the sealing body, which cannot be directly connected to the bellows. It is necessary to increase the connection structure, thereby increasing the leakage points, and the plastic parts are prone to cracks at low temperatures, causing gas leakage.

For example, a plug-in connector disclosed in Chinese patent CN209484117U relates to the technical field of kitchen stoves and includes a connector and a base. The connector and the base are matched through threads, and a clamping ring assembly is provided inside the connector near one end; an O-ring is sleeved on the connector, and a hexagon socket set screw is provided on the base on one side of the O-ring; the connector does not have an insulating function.

Utility Model Content

In view of the deficiencies in the prior art, the utility model provides a gas insulating quick connector to achieve the purpose of improving the sealing performance and insulation performance of the connection.

In order to solve the above technical problems, the technical solution adopted by the utility model is:

The gas insulating quick connector comprises a base inner thread and a connecting thread, wherein one end of the base inner thread is connected to one end of the connecting thread to form a connecting end, wherein a clamping ring for positioning a bellows and a sealing ring for sealing the end of the bellows and the inner wall of the connecting end are arranged in the connecting end, and further comprises an insulating structure, wherein the insulating structure is arranged between the inner wall of the connecting end and the clamping ring.

Further:

It also includes a transition ring, the inner side of which is in contact with the clamping ring, and an insulating structure is arranged between the transition ring and the inner wall of the connecting end.

The insulating structure comprises an upper insulating paper pad and a lower insulating paper pad. The upper insulating paper pad is arranged between the end of the sealing ring and the inner wall of the connecting end, and the lower insulating paper pad is arranged between the transition ring and the inner wire of the base.

An inner gasket is provided on the inner side of the transition ring corresponding to the bellows.

One end of the clamping ring is matched with the sealing ring, and the outer inclined surfaces of the transition ring and the other end of the clamping ring are matched.

A step structure is arranged between the outer side of the transition ring and the inner wall of the inner thread of the base, and the lower insulating pad paper is arranged at the step structure.

The lower insulating paper pad includes a lower insulating paper pad and a side insulating paper pad.

Compared with the prior art, the utility model has the following advantages:

The gas insulating quick connector has a reasonable structural design. The inner thread and the connecting thread of the base are both metal parts. A transition ring and insulating pad paper are added inside the connector structure to achieve insulation between the bellows and the fitting itself, and the sealing is reliable.

BRIEF DESCRIPTION OF THE DRAWINGS

The following is a brief description of the contents and symbols in the drawings of this specification:

FIG1 is a schematic cross-sectional view of a quick connector according to the present invention.

In the figure:

1. Connecting wire, 2. Sealing ring, 3. Upper insulating paper pad, 4. Clamp ring, 5. Side insulating paper pad, 6. Transition ring, 7. Lower insulating paper pad, 8. Inner gasket, 9. Inner thread of base.

DETAILED DESCRIPTION

The specific implementation of the utility model will be further explained in detail below through the description of embodiments with reference to the accompanying drawings.

As shown in Figure 1, the gas insulating quick connector includes a base inner thread 9, a connecting thread 1, a sealing ring 2, a clamping ring 4, a transition ring 6 and an insulating structure; one end of the base inner thread 9 is connected to one end of the connecting thread to form a connecting end; the clamping ring 4 is arranged in the connecting end for positioning the bellows, and the sealing ring 2 is arranged in the connecting end for sealing the end of the bellows and the inner wall of the connecting end.

The insulating structure is arranged between the inner wall of the connecting end and the clamping ring 4; the inner thread 9 of the base, the connecting thread 1 and the clamping ring 4 are all copper parts, and the connecting thread can be an outer thread or an inner thread; a transition ring 6 and insulating pad paper are added inside the joint structure to achieve insulation between the corrugated pipe and the pipe fitting itself; since the main structure is made of metal parts, it is not easy to age and produce cracks, and the sealing is reliable.

The inner side of the transition ring 6 is fitted with the clamping ring, and the insulating structure is arranged between the transition ring and the inner wall of the connection end; the bellows inserted into the connection end is positioned by the clamping ring, and the sealing ring seals the end face of the bellows and the outer edge of the end.

Furthermore, the insulation structure includes an upper insulating paper pad 3 and a lower insulating paper pad. The upper insulating paper pad is arranged between the end of the sealing ring and the inner wall of the connecting end. The sealing ring is arranged between the end of the corrugated tube and the inner wall of the connecting wire. A cavity is formed at the connection between the connecting wire and the inner wire of the base. The end of the sealing ring corresponds to the cavity. The upper insulating paper pad is arranged in the cavity to achieve effective insulation.

The lower insulating paper pad is arranged between the transition ring and the inner thread of the base, and an inner gasket 8 is provided on the inner side of the transition ring corresponding to the bellows; further, an annular groove is provided on the inner wall of the transition ring, and the inner gasket is arranged in the annular groove. The inner gasket is a rubber part, and the inner and outer insulation connection of the transition ring is realized through the lower insulating paper pad and the inner gasket.

One end of the clamping ring matches with the sealing ring, and the outer inclined surface of the transition ring and the other end of the clamping ring matches. A step structure is provided between the outer side of the transition ring and the inner wall of the inner thread of the base, and the lower insulating pad paper is provided at the step structure, so that the positioning is reliable.

Furthermore, the lower insulating paper pad includes a lower insulating paper pad 7 and a side insulating paper pad 5; the lower insulating paper pad is arranged on the step surface, and the side insulating paper pad is arranged between the outer edge of the transition ring step and the inner wall of the inner wire of the base. The lower insulating paper pad and the side insulating paper pad can be an integrated insulating paper pad with a simple structure.

The above is only an explanation of the preferred embodiments of the present invention. The above technical features can be arbitrarily combined to form multiple embodiments of the present invention.

The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims (7)

1. A gas insulating quick connector, comprising a base inner thread and a connecting thread, wherein one end of the base inner thread is connected to one end of the connecting thread to form a connecting end, wherein a clamping ring for positioning a bellows and a sealing ring for sealing the end of the bellows and the inner wall of the connecting end are provided in the connecting end, characterized in that: an insulating structure is also included, wherein the insulating structure is provided between the inner wall of the connecting end and the clamping ring. 2. The gas insulating quick connector as described in claim 1 is characterized by: it also includes a transition ring, the inner side of the transition ring is in contact with the clamping ring, and the insulating structure is arranged between the transition ring and the inner wall of the connecting end. 3. The gas insulating quick connector as described in claim 2 is characterized in that: the insulating structure includes an upper insulating paper pad and a lower insulating paper pad, the upper insulating paper pad is arranged between the end of the sealing ring and the inner wall of the connecting end, and the lower insulating paper pad is arranged between the transition ring and the inner thread of the base. 4. The gas insulating quick connector as described in claim 2 is characterized in that an inner gasket is provided on the inner side of the transition ring corresponding to the bellows. 5. The gas insulating quick connector as described in claim 2 is characterized in that one end of the clamping ring is matched with the sealing ring, and the outer inclined surfaces of the transition ring and the other end of the clamping ring are matched. 6. The gas insulating quick connector as described in claim 2 is characterized in that a step structure is provided between the outer side of the transition ring and the inner wall of the inner thread of the base, and the lower insulating pad paper is provided at the step structure. 7. The gas insulating quick connector as described in claim 6 is characterized in that the lower insulating paper pad includes a lower insulating paper pad and a side insulating paper pad.