CN204372403U - Be connected ring - Google Patents

Abstract

The utility model provides a combined connecting ring. The combined connecting ring includes a fastener and a sleeve. The number of the fastener is two, and it is an annular tubular structure, which is arranged on the periphery of both ends of the sleeve. The sleeve is a tubular structure with an inner diameter of It increases in steps from inside to outside. The combined connection ring provided by the utility model adopts the design of stepped inner diameter, which can effectively seal and connect various pipes with different calibers. It is convenient for users to install and maintain. leakage hazard.

Description

Combined connecting ring

technical field

The utility model relates to a connecting ring, in particular to a combined connecting ring used in pipeline connection.

Background technique

Some of the existing combined connecting rings for pipeline connections are connected by metal pipes, sealed with threads, lubricating oil, etc., many materials are used, and other tools are needed for installation, which is relatively inconvenient. Although some pipe connecting rings are connected by non-metallic pipes, their materials are still relatively hard and sealed with threads. The installation method for users is complicated, maintenance is inconvenient, and there are hidden dangers of leakage. In addition, most of the existing pipeline connecting rings are suitable for one pipe diameter, which has a small scope of application, complicated production, and is inconvenient to use for users who do not know the specific pipe diameter data.

Utility model content

In order to solve the problems of cumbersome installation, inconvenient maintenance, easy leakage, small application range of pipe diameter, complicated production and inconvenient use of the above-mentioned combined connecting ring, the utility model provides a Large, productive and easy-to-use combo coupling rings.

The combined connecting ring provided by the utility model includes a fastener and a sleeve. The number of the fasteners is two, and it is a circular tubular structure, which is arranged on the periphery of both ends of the sleeve. The sleeve is tubular. The inner diameter of the structure increases stepwise from the center to both ends.

In a preferred embodiment of the combined connecting ring provided by the utility model, the outer diameter of the fastener is larger than the corresponding outer diameter of the end of the casing, the inner surface of the fastener is smooth, and the fastener The internal diameter of the fastener gradually decreases from one end to the other end, and the minimum internal diameter of the fastener is smaller than the external diameter of the corresponding end of the sleeve.

In a preferred embodiment of the combined connecting ring provided by the utility model, the sleeve includes a large-diameter sleeve and a small-diameter sleeve, and the diameter of the large-diameter sleeve is larger than that of the small-diameter sleeve. The pipe diameter, the fasteners include large-diameter fasteners and small-diameter fasteners, which are respectively sleeved on the outer end of the large-diameter casing and the outer end of the small-diameter casing.

In a preferred embodiment of the combined connecting ring provided by the utility model, the sleeve further includes an intermediate transition portion, and the two ends of the intermediate transition portion are connected to the large-diameter sleeve and the small-diameter sleeve respectively. , and realize the communication between the large-diameter casing and the small-diameter casing.

In a preferred embodiment of the combined connection ring provided by the utility model, the large-diameter sleeve further includes a large-diameter connection part, and the outer diameter of the large-diameter connection part is smaller than the outer diameter of the large-diameter sleeve, so The small-diameter casing also includes a small-bore connecting part, the outer diameter of the small-bore connecting part is smaller than the outer diameter of the small-bore casing, and the outer diameters of the large-bore connecting part and the small-bore connecting part decrease toward both ends respectively. .

Compared with the prior art, the combined connecting ring of the utility model adopts the design of stepped inner diameter and elastic material, which can effectively seal and connect various pipes with different calibers, has wide application range, short production cycle, and is convenient for users to use. The diameters of the two ports of the combined connecting ring of the utility model are different, so that two pipe fittings with different diameters and sizes can be connected. By adopting a structural design in which the internal diameter of the fastener is gradually reduced from one end to the other end, the degree of fit between the connecting parts at both ends of the combined connecting ring and the connected pipe can be adjusted, which is convenient for installation and maintenance, and prevents hidden dangers of leakage.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, wherein:

Fig. 1 is the three-dimensional structure schematic diagram of an embodiment of the combined connecting ring provided by the utility model;

Fig. 2 is a cross-sectional view of the sleeve of the combined connecting ring shown in Fig. 1;

Fig. 3 is a sectional view of the large-diameter fastener of the combined connecting ring shown in Fig. 1;

Fig. 4 is a cross-sectional view of the small-diameter fastener of the combined connection ring shown in Fig. 1 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to FIG. 1 , which is a three-dimensional structural diagram of an embodiment of the combined connecting ring provided by the present invention. The combined connection ring 1 includes a sleeve 11 and a fastener 12 .

Please refer to FIG. 2 again, which is a sectional view of the casing of the combined connecting ring shown in FIG. 1 . The sleeve 11 is a tubular structure, and its inner diameter increases stepwise from the center to both ends, including a large-diameter sleeve 111, a small-diameter sleeve 112, an intermediate transition part 113, and a large-diameter end connection part 114 connected to each other. And the small diameter end connection part 115. The outer diameter of the large-diameter sleeve 111 is larger than the outer diameter of the small-diameter sleeve 112 . The large-diameter sleeve 111 and the small-diameter sleeve 112 are communicated and fastened through the intermediate transition portion 113 . The outer diameter of the large-diameter connecting portion 114 is smaller than the outer diameter of the large-diameter sleeve 111, the outer diameter of the small-diameter connecting portion 115 is smaller than the outer diameter of the small-diameter sleeve 112, and the large-diameter connecting portion and the The outer diameter of the small-diameter connecting part decreases gradually toward both ends.

Please refer to FIG. 1 again, the fastener 12 includes a large-diameter fastener 121 and a small-diameter fastener 122, wherein the large-diameter fastener 121 is sleeved on the outer end of the large-diameter casing 111 The small-diameter fastener 122 is sheathed on the outer end of the small-diameter sleeve 112 .

Please refer to FIG. 3 and FIG. 4 again, wherein FIG. 3 is a sectional view of the large-diameter fastener of the combined connecting ring shown in FIG. 1 , and FIG. 4 is a sectional view of the small-diameter fastener of the combined connecting ring shown in FIG. 1 .

The fastener 12 is an annular tubular structure, and is sheathed on both ends of the sleeve 11 . The outer diameter of the fastener 12 is greater than the outer diameter of the corresponding sleeve 11, the inner surface of the fastener 12 is smooth, and the inner diameter gradually decreases from one end to the other end, and the minimum inner diameter of the fastener 12 is less than The outer diameter of the corresponding end of the sleeve 11.

The combined connecting ring 1 of the utility model adopts the design of stepped inner diameter and elastic material, which can effectively seal and connect various pipes with different calibers, has wide application range, short production cycle, and is convenient for users to use. The combined connecting ring 1 of the utility model has two ports with different diameters, and can connect two pipe fittings with different diameters and sizes. By adopting a structural design in which the inner diameter of the fastener 12 gradually decreases from one end to the other end, the degree of fit between the connecting parts at both ends of the combined connecting ring 1 and the connected pipe can be adjusted, which is convenient for installation and maintenance, and prevents hidden dangers of leakage.

The above descriptions are only examples of the utility model, and are not intended to limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings may be directly or indirectly used in other applications. Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (5)

1. be connected a ring, it is characterized in that, comprises fastening piece and sleeve pipe, and described fastening piece quantity is two, is ring tubular structure, and be located at described sleeve pipe two ends peripheral, described sleeve pipe is tubular structure, and its internal diameter is increased progressively to direction of both ends is stepped by center.

2. the ring that is connected according to claim 1, it is characterized in that, described fastening piece external diameter is greater than corresponding described cannula tip external diameter, described fastening piece internal surface is smooth, described fastening piece one end reduces gradually to the other end internal diameter, and described fastening piece minimum place internal diameter is less than corresponding described sleeve end external diameter.

3. the ring that is connected according to claim 1, it is characterized in that, described sleeve pipe comprises heavy caliber sleeve pipe and small-bore sleeve pipe, the caliber of described heavy caliber sleeve pipe is greater than the caliber of described small-bore sleeve pipe, described fastening piece comprises heavy caliber fastening piece and small-bore fastening piece, is sheathed on described heavy caliber outside of sleeve end and small-bore outside of sleeve end respectively.

4. the ring that is connected according to claim 3, it is characterized in that, described sleeve pipe also comprises central transition section, and described central transition section two ends connect described heavy caliber sleeve pipe and described small-bore sleeve pipe respectively, and realize the connection of described heavy caliber sleeve pipe and described small-bore sleeve pipe.

5. the ring that is connected according to claim 3, it is characterized in that, described heavy caliber sleeve pipe also comprises heavy caliber attachment portion, described heavy caliber attachment portion external diameter is less than described heavy caliber sleeve outer, described small-bore sleeve pipe also comprises small-bore attachment portion, small-bore attachment portion external diameter of telling is less than described small-bore sleeve outer, and described heavy caliber attachment portion and described small-bore attachment portion external diameter successively decrease respectively to two ends.