CN219692588U

CN219692588U - Pipe fitting structure

Info

Publication number: CN219692588U
Application number: CN202320321300.4U
Authority: CN
Inventors: 颜江林; 卢岳山
Original assignee: Xiamen Apisi Intelligent Manufacturing System Co ltd
Current assignee: Xiamen Apisi Intelligent Manufacturing System Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-09-15
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a pipe fitting structure, which comprises a pipe fitting and a joint which are in plug-in fit, wherein an annular groove is formed in the periphery of one end of the joint, a sealing ring is arranged in the annular groove and positioned between the pipe fitting and the joint, the sealing ring comprises at least two lips, one lip is tightly matched with the inner side wall of the pipe fitting, the other lip is tightly matched with the outer side wall of the joint at the annular groove, the sealing performance of the pipe fitting structure is good, the integral sealing effect can be ensured when the pipe fitting is aged, and the phenomenon of water leakage is prevented.

Description

Pipe fitting structure

Technical Field

The utility model relates to a pipe fitting structure, which belongs to a connecting structure of a pipe fitting joint.

Background

In our daily lives, the pipe fitting has been very widely used, such as when connecting toilets, but now the joint has the following problems: 1. after the existing pipe fitting is used for a period of time, the joint of the pipe fitting and the joint can be aged and hardened, so that water leakage can be caused; meanwhile, the existing sealing joint with the O-shaped sealing ring of the pipe fitting is easy to leak under the condition of high pressure.

Disclosure of Invention

In order to solve the above technical problems, an object of the present utility model is to provide a pipe structure.

The utility model is realized by the following technical scheme:

the utility model provides a pipe fitting structure, includes grafting complex pipe fitting and connects, the periphery of joint one end is provided with the annular groove, be provided with the sealing washer in the annular groove, the sealing washer is located between pipe fitting and the joint, the sealing washer includes two at least lips, and one of them lip and the inside wall tight fit of pipe fitting, the joint lateral wall tight fit of another lip and annular groove department.

In the embodiment of the utility model, the sealing ring comprises a body, four lips are arranged on the peripheral side of the body, the cross section of the sealing ring is X-shaped, two lips are tightly matched with the inner side wall of the pipe fitting, and the other two lips are tightly matched with the outer side wall of the joint at the annular groove.

In the embodiment of the utility model, the periphery of one end of the joint inserted into the pipe fitting is provided with the guide inclined surface, and the guide inclined surface can be connected with the inner peripheral wall of the pipe fitting in a matching way.

In the embodiment of the utility model, the connecting nut is provided with a through hole, the periphery of the other end of the connector is provided with a flange, one end of the connector can pass through the through hole, and the flange can be in butt fit with the connecting nut at the periphery of the through hole.

The sealing gasket comprises a sealing gasket body, wherein the outer periphery of the other end of the joint is provided with an annular groove, the inner ring of the sealing gasket body is provided with an annular protruding part, and the annular protruding part can be tightly matched with the outer wall of the joint at the annular groove.

In the embodiment of the utility model, one end surface of the sealing gasket can be tightly matched with the connecting nut on the periphery side of the perforation, and the sealing gasket can be positioned on the periphery of the joint.

In the embodiment of the utility model, the periphery of the other end of the sealing ring is provided with a pressing inclined plane.

In the embodiment of the utility model, the annular groove is positioned on one side of the flange, which is opposite to the annular groove.

The pipe fitting structure has the following beneficial effects: the pipe fitting structure adopts the X-shaped sealing ring, so that the joint and the pipe fitting can be ensured to have better tightness and better compression resistance.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to the drawings, a pipe fitting structure comprises a pipe fitting 10 and a joint 20 which are matched in a plugging manner, normally, the pipe fitting is made of plastic materials which are normally used, the joint can be made of metal or relatively hard plastic, an annular groove 21 is formed in the periphery of one end of the joint, a sealing ring 30 is arranged in the annular groove and positioned between the pipe fitting and the joint, the sealing ring comprises at least two lips 31, one of the lips is tightly matched with the inner side wall of the pipe fitting, and the other lip is tightly matched with the outer side wall of the joint at the annular groove.

The specific method is as follows: the sealing ring comprises a body 32, four lips 31 are arranged on the peripheral side of the body, the cross section of the sealing ring is X-shaped, two lips are tightly matched with the inner side wall of the pipe fitting, and the other two lips are tightly matched with the outer side wall of the joint at the annular groove; after the X-shaped sealing ring is installed, the four lips are extruded to deform, and after the pipe fitting is aged and hardened, the four lips elastically deform, so that the four lips can be well matched with the inner side wall of the pipe fitting and the outer side wall of the joint annular groove, and the integral sealing effect is ensured.

Preferably, the outer circumference of one end of the joint insertion pipe is provided with a guide inclined surface 22, and the guide inclined surface can be in fit connection with the inner circumferential wall of the pipe, so that the joint is convenient to insert into the pipe.

Further, a connecting nut 40 is further included, a through hole 41 is provided on the connecting nut, a flange 23 is provided on the outer periphery of the other end of the joint, one end of the joint can pass through the through hole, the flange can be in butt fit with the connecting nut on the periphery of the through hole, preferably, a boss 11 is provided on the connecting end of the pipe fitting and the joint, and the outer diameter of the boss is larger than the large diameter of the through hole, so that the connecting nut can be placed on the joint and the pipe fitting without being separated.

Still further, a gasket 50 is provided, the outer periphery of the other end of the joint is provided with an annular groove 24, and the inner ring of the gasket is provided with an annular protruding part 51 which can be tightly matched with the outer wall of the joint at the annular groove. One end face of the sealing gasket can be tightly matched with the connecting nut on the periphery side of the through hole, and the sealing gasket can be positioned on the periphery of the joint. The periphery of the other end of the sealing ring is provided with a pressing inclined surface 52, so that the sealing gasket can be extruded to the connecting nut after the connecting nut is in threaded connection with the external connector, and the sealing effect is ensured. The annular groove is positioned on one side of the flange, which is away from the annular groove.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a pipe fitting structure, includes grafting complex pipe fitting and connects, its characterized in that, the periphery of joint one end is provided with the annular groove, be provided with the sealing washer in the annular groove, the sealing washer is located between pipe fitting and the joint, the sealing washer includes two at least lips, and one of them lip and the inside wall tight fit of pipe fitting, the joint lateral wall tight fit of another lip and annular groove department.

2. A pipe fitting structure according to claim 1, wherein the seal ring comprises a body, four lips are arranged on the outer peripheral side of the body, the cross section of the seal ring is in an X shape, two lips are tightly matched with the inner side wall of the pipe fitting, and the other two lips are tightly matched with the outer side wall of the joint at the annular groove.

3. A pipe fitting structure according to any one of claims 1 or 2, wherein the outer periphery of the end of the pipe fitting into which the joint is inserted is provided with a guide slope, said guide slope being capable of being fitted to the inner peripheral wall of the pipe fitting.

4. A pipe fitting structure according to claim 3, further comprising a coupling nut, wherein the coupling nut is provided with a through hole, a flange is provided on the outer periphery of the other end of the joint, one end of the joint can pass through the through hole, and the flange can be abutted against the coupling nut on the peripheral side of the through hole.

5. A pipe fitting structure as claimed in claim 4 further comprising a gasket, said joint having an annular groove disposed on a periphery of said other end, said gasket having an annular boss disposed on an inner periphery thereof, said annular boss being capable of mating with an outer wall of the joint at the annular groove.

6. A tubular structure according to claim 5, wherein one end face of the gasket is capable of being tightly fitted with the coupling nut on the peripheral side of the through hole, and the gasket is capable of being located on the outer periphery of the joint.

7. A pipe fitting structure according to claim 6, wherein the outer periphery of the other end of the seal ring is provided with a pressing inclined surface.

8. A tubular structure according to any one of claims 6 or 7 wherein the annular groove is located on the side of the flange facing away from the annular groove.