CN210291038U

CN210291038U - Stable form pipe connection device

Info

Publication number: CN210291038U
Application number: CN201921002387.9U
Authority: CN
Inventors: 韩淑婷; 张卫华; 石超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-10
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a stable form pipeline connecting device, includes first connecting portion, first connecting portion one end is equipped with a holding tank, be equipped with first sealing in the holding tank, the other end of first connecting portion is equipped with an annular seal chamber, is equipped with a buffering body at the annular seal intracavity, the one end that the holding tank was kept away from to the buffering body is equipped with a trapezoidal transition portion, still includes an external portion, external portion links to each other with first connecting portion through the annular seal chamber, trapezoidal transition portion sets up with external portion butt. This application sets up through the cooperation of first sealing and buffering body, can realize complete sealing connection, and trapezoidal transition portion has the effect of two aspects, plays the butt effect on the one hand, and on the other hand can improve sealing capacity through the deformation of trapezoidal transition portion.

Description

Stable form pipe connection device

Technical Field

The application relates to a stable form pipe connection.

Background

Compression joint is a device for realizing pipeline connection, and is generally used for connecting various valve bodies, flow splitters, pipelines and the like without depending on other special tools. The existing connector generally comprises a body, through holes which can be matched with the outside are formed in the body, and then the outside pipeline or a pipeline connecting piece is connected with a compression joint in a threaded manner, a clamping manner and the like, so that communication among different pipe fittings is realized. The existing problems are that the cross section of the pipeline is circular, and oblique displacement is easy to occur, so that the fixed position is not firm, and then leakage and the like occur.

CN1766398A discloses a quick connector coupling device which connects a rigid tube to a hollow body member. A retainer releasably retains the tube within an aperture of the body. An elastomeric sealing element surrounds the tube and creates a fluid-tight seal against the tube, the body defining the bore. A seal element retainer is disposed between the seal element and the body for transmitting axial loads on the seal due to pressure on the body. In one embodiment, a teflon gasket is placed between the sealing element and the sealing element holder. This application essentially utilizes a foreign pipe, but foreign pipes can only be prefabricated to achieve this connection, and are less suitable.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, this application provides a stable form pipeline connecting device, including first connecting portion, first connecting portion one end is equipped with a holding tank, be equipped with first sealing in the holding tank, the other end of first connecting portion is equipped with an annular seal chamber, is equipped with a buffering body in the annular seal intracavity, the one end that the holding tank was kept away from to the buffering body is equipped with a trapezoidal transition portion, still includes an external portion, external portion links to each other with first connecting portion through the annular seal chamber, trapezoidal transition portion sets up with external portion butt. Through the cooperation setting of first sealing and buffer, can realize complete sealing connection, trapezoidal transition portion has the effect of two aspects, plays the butt effect on the one hand, and on the other hand can improve sealing capacity through the deformation of trapezoidal transition portion.

Preferably, the inner side of the annular sealing cavity is provided with an internal thread, and the external connection part is provided with an external thread matched with the internal thread. Adopt threaded connection can form comparatively effectual oppression to the buffer body to form comparatively effectual sealedly.

Preferably, the outer edge of the trapezoidal transition portion is disposed in contact with the inner side of the external connection portion.

Preferably, one side of the external connection part, which is far away from the first connection part, is provided with external threads.

Preferably, the inner side of the external connection part is provided with an annular positioning part which is abutted with the external insertion pipeline.

Preferably, the annular positioning portion includes a convex ring, and a guide portion is connected to the convex ring and arranged toward the inner side of the outer connecting portion. The turbulent flow of the fluid is reduced, and the possibility that the fluid impacts and breaks away the device can be reduced.

Preferably, trapezoidal transition portion includes rectangle portion and the triangle portion that links to each other with rectangle portion, the cross-section of triangle portion is a right-angle triangle, right-angle triangle's hypotenuse slope sets up towards external portion. Through adopting right triangle-shaped makes it have an angle that very easily warp, at threaded connection in-process, can cause the extrusion to inserting the pipeline to realize the high-speed joint of pipeline.

Preferably, the top end of the external connection part is provided with an oblique abutting part which is abutted with the right triangle.

Preferably, the annular sealing cavity is arranged in a stepped manner, the annular sealing cavity comprises a first ladder-shaped cavity for accommodating the buffering body and a second ladder-shaped cavity for accommodating the external connection part, the first ladder-shaped cavity is arranged on the inner side of the second ladder-shaped cavity, and the inner diameter of the first ladder-shaped cavity is smaller than that of the second ladder-shaped cavity.

This application can bring following beneficial effect:

1. according to the sealing structure, the first sealing part and the buffer body are matched, complete sealing connection can be achieved, the trapezoid transition part has two functions, on one hand, the abutting effect is achieved, and on the other hand, the sealing capacity can be improved through deformation of the trapezoid transition part;

2. the application adopts the threaded connection, so that the buffer body can be effectively pressed to form effective sealing;

3. this application is through setting up bulge loop and guide part to reduce the vortex to the fluid, can reduce the fluid simultaneously and bring the impact, with the possibility that this device impacted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is an exploded view of the present application.

Detailed Description

In order to clearly explain the technical features of the present invention, the present application will be explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in the drawings, the following detailed description is given by way of example in order to more clearly explain the overall concept of the present application.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In a first embodiment, as shown in fig. 1-2, a stable pipeline connecting device includes a first connecting portion 1, one end of the first connecting portion 1 is provided with a receiving groove 2, a first sealing portion 3 is disposed in the receiving groove 2, the other end of the first connecting portion 1 is provided with an annular sealing cavity 4, a buffer body 5 is disposed in the annular sealing cavity 4, one end of the buffer body 5, which is far away from the receiving groove 2, is provided with a trapezoidal transition portion 6, and an external portion 7, the external portion 7 is connected to the first connecting portion 1 through the annular sealing cavity 4, and the trapezoidal transition portion 6 is abutted to the external portion 7. Through the cooperation setting of first sealing 3 and buffer 5, can realize complete sealing connection, trapezoidal transition portion has the effect in two respects, plays the butt effect on the one hand, and on the other hand can improve sealing capacity through the deformation of trapezoidal transition portion. The inboard of annular seal chamber 4 is equipped with the internal thread, external portion 7 is equipped with the external screw thread that sets up with the internal thread cooperation. The adoption of the threaded connection enables a relatively effective compression of the buffer body 5 to be formed, so as to form a relatively effective seal. The outer edge of the trapezoid transition part 6 is abutted against the inner side of the external connection part 7. And one side of the external connection part 7, which is far away from the first connection part 1, is provided with external threads. An annular positioning part which is connected with the outer inserting pipeline in an abutting mode is arranged on the inner side of the outer connecting part 7. The annular positioning part comprises a convex ring 14, a guide part 15 is connected to the convex ring 14, and the guide part 15 is arranged towards the inner side of the external connection part 7. The turbulent flow of the fluid is reduced, and the possibility that the fluid impacts and breaks away the device can be reduced. Trapezoidal transition portion 6 includes rectangle portion 8 and the triangle portion 9 that links to each other with rectangle portion 8, the cross-section of triangle portion 9 is right triangle-shaped, right triangle-shaped's hypotenuse slope sets up towards outer junction portion 7. By adopting the right triangle so that it has a very easily deformable angle, it is possible to cause extrusion of the inserted pipe 10 during the screw-coupling process, thereby achieving quick coupling of the pipes. The top end of the external connection part 7 is provided with an oblique abutting part 11 which is abutted against the right triangle. The annular sealing cavity 4 is arranged in a stepped mode, the annular sealing cavity 4 comprises a first ladder-shaped cavity 12 for accommodating the buffering body 5 and a second ladder-shaped cavity 13 for accommodating the external connection portion 7, the first ladder-shaped cavity 12 is arranged on the inner side of the second ladder-shaped cavity 13, and the inner diameter of the first ladder-shaped cavity 12 is smaller than that of the second ladder-shaped cavity.

Before using, arrange first sealing 3 in holding tank 2, then the installation buffering body 5, will insert pipe 10 again and loop through first connecting portion 1, buffering body 5, the butt is to the bulge loop on, then screws up external portion 7 and first connecting portion 1 through threaded connection again to make the triangle portion 9 warp and press from both sides tight insert pipe 10, then the other pipelines of other connections such as joint, screw thread of the other end of external portion 7 can.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a stable form pipe connection device which characterized in that: including first connecting portion, first connecting portion one end is equipped with a holding tank, be equipped with first sealing in the holding tank, the other end of first connecting portion is equipped with an annular seal chamber, is equipped with a buffering body at the annular seal intracavity, the one end that the holding tank was kept away from to the buffering body is equipped with a trapezoidal transition portion, still includes an external portion, external portion links to each other with first connecting portion through the annular seal chamber, trapezoidal transition portion sets up with external portion butt.

2. A stabilized pipe connection according to claim 1, wherein: the inboard in annular seal chamber is equipped with the internal thread, external portion is equipped with the external screw thread that sets up with the internal thread cooperation.

3. A stabilized pipe connection according to claim 1, wherein: the outer edge of the trapezoidal transition portion is abutted against the inner side of the external connection portion.

4. A stabilized pipe connection according to claim 1, wherein: one side of the external connection part far away from the first connection part is provided with external threads.

5. A stabilized pipe connection according to claim 1, wherein: an annular positioning part which is connected with the outer inserting pipeline in an abutting mode is arranged on the inner side of the outer connecting part.

6. A stabilized pipe connection according to claim 5, wherein: the annular positioning part comprises a convex ring, a guide part is connected to the convex ring, and the guide part is arranged towards the inner side of the outer connecting part.

7. A stabilized pipe connection according to claim 1, wherein: trapezoidal transition portion includes rectangle portion and the triangle portion that links to each other with rectangle portion, the cross-section of triangle portion is right-angled triangle, right-angled triangle's hypotenuse slope sets up towards external portion.

8. A stabilized pipe connection according to claim 7, wherein: the top of the external connection part is provided with an oblique abutting part which is abutted against the right-angled triangle.

9. A stabilized pipe connection according to claim 7, wherein: the annular sealing cavity is arranged in a stepped mode and comprises a first ladder-shaped cavity containing the buffering body and a second ladder-shaped cavity containing the external connecting portion, the first ladder-shaped cavity is arranged on the inner side of the second ladder-shaped cavity, and the inner diameter of the first ladder-shaped cavity is smaller than that of the second ladder-shaped cavity.