CN218762017U

CN218762017U - Water pipe connecting flange

Info

Publication number: CN218762017U
Application number: CN202223363754.2U
Authority: CN
Inventors: 吴恒辉
Original assignee: Ningbo Pingheng Machinery Co ltd
Current assignee: Ningbo Pingheng Machinery Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-03-28
Anticipated expiration: 2032-12-14

Abstract

The application discloses a water pipe coupling flange, belong to connector technical field, a water pipe coupling flange for providing a convenient to use, stability is good, including first body and the second body that can insert each other and close, the inner wall of second body is provided with the sealing washer, first body inserts in the second body, the tip of first body withstands and extrudees the sealing washer, make first body and second body inner channel and the clearance packing before first body outer wall and the second body inner wall, the outside of first body is provided with first adapter sleeve, the outside of second body is provided with the second adapter sleeve, first adapter sleeve and second adapter sleeve all are provided with the flange dish of outside extension, thereby first adapter sleeve is suitable for and makes first body insert tightly in the second body with the cooperation of second adapter sleeve. The connecting sleeve structure is arranged on the outer side of the flange connecting pipe, so that stable and good-sealing water pipe connection is realized; through retraining the adapter sleeve on the body, the condition that the part lost in the maintenance has been avoided taking place.

Description

Water pipe connecting flange

Technical Field

The application relates to the technical field of connecting pieces, in particular to a water pipe connecting flange.

Background

Pipeline system uses more in industrial production, because pipeline system is very complicated, can not direct molding usually, need couple a plurality of shorter pipe fittings, can let in highly compressed fluid in the pipeline usually, in order to prevent in the pipeline that fluid from spilling over or let the pipeline collapse the section from the hookup, need additionally dispose the connection structure at the junction, current connection structure is with the body separation, loses easily when installation, dismantlement, brings the trouble for pipeline system's maintenance.

Disclosure of Invention

The application aims to provide a water pipe connecting flange which is convenient to use and good in stability.

In order to achieve the above object, the present application provides a water pipe coupling flange: including first body and the second body that can insert each other and close, the inner wall of second body is provided with the sealing washer, first body inserts in the second body, the tip of first body withstands and extrudes the sealing washer, thereby make first body and second body inner passage with the clearance packing before first body outer wall and the second body inner wall, the outside of first body is provided with first adapter sleeve, the outside of second body is provided with the second adapter sleeve, first adapter sleeve and second adapter sleeve all are provided with outside extended ring flange, first adapter sleeve be suitable for with thereby the cooperation of second adapter sleeve makes first body insert tightly in the second body, convenient cooperation and split.

Preferably, the outer wall of the first tube is attached to the inner wall of the second tube, the inner wall of the second tube has an inner flange, and the sealing ring is clamped on the end face of the inner flange to limit the position of the sealing ring in the second tube.

Preferably, the main body part of the first pipe body is an insertion pipe, one end of the insertion pipe, which is far away from the second pipe body, is a first pipe connection end, the outer side surface of the insertion pipe is provided with a coaxial first limiting ring, the main body part of the first connection sleeve is an inner straight pipe, and the inner wall of the inner straight pipe is provided with a first blocking edge positioned between the first pipe connection end and the first limiting ring; the main body part of the second pipe body is a sleeve, one end, far away from the first pipe body, of the sleeve is a second pipe connection end, the outer side face of the sleeve is provided with a second coaxial limiting ring, the main body part of the second connecting sleeve is an outer straight pipe, the inner wall of the outer straight pipe is provided with a second blocking edge located between the second pipe connection end and the second limiting ring, the connecting sleeve can be prevented from falling off from the corresponding pipe body, and parts can be prevented from being lost.

Preferably, the first connecting sleeve is movably connected to the outer side of the inserting pipe, the outer side surface of the inner straight pipe is provided with an outer thread, the second connecting sleeve is movably connected to the outer side of the sleeve, the inner wall of the outer straight pipe is provided with an inner thread, the outer thread is suitable for being in threaded fit with the inner thread, and the two pipes are tightly inserted in a spiral feeding mode, so that labor is saved.

Preferably, a first airtight ring is arranged between the first blocking edge and the first limiting ring, and a second airtight ring is arranged between the second blocking edge and the second limiting ring, so that the sealing performance of the movable contact surface of the connecting part is improved.

Preferably, an annular groove is formed in an end surface, facing the first blocking edge, of the first limiting ring, and the first airtight ring is suitable for being embedded in the annular groove of the first limiting ring; the end face, opposite to the second blocking edge, of the second limiting ring is provided with an annular groove, and the second airtight ring is suitable for being embedded in the annular groove of the second limiting ring and used for preventing the airtight ring from falling off.

Preferably, the inner wall of the second tube body is provided with an annular groove located at the end of the inner flange, and the sealing ring is suitable for being embedded in the annular groove and used for preventing the sealing ring from moving in the tube body.

Preferably, the flange plate arranged on the first connecting sleeve is a first flange plate, the first flange plate is positioned at the end part of the inner straight pipe far away from the second connecting sleeve, the flange plate arranged on the second connecting sleeve is a second flange plate, and the second flange plate is positioned on the outer side surface of the outer straight pipe and is integrally formed with the outer straight pipe, so that the process steps can be reduced, and the production efficiency is improved.

Compared with the prior art, the beneficial effect of this application lies in:

(1) By arranging the connecting sleeve structure at the outer side of the flange connecting pipe, stable and good-sealing water pipe connection can be realized without using an additional connecting piece;

(2) Through retraining the adapter sleeve on the body, the condition that parts are lost in the maintenance process is avoided, the use is facilitated, and the installation and maintenance operation are simplified.

Drawings

FIG. 1 is a schematic view of the overall structure of the water pipe coupling flange;

FIG. 2 is a perspective sectional view of the water pipe coupling flange;

FIG. 3 is a perspective sectional view of two pipe bodies of the water pipe coupling flange;

FIG. 4 is a perspective sectional view of the first body of the water pipe coupling flange;

FIG. 5 is a first perspective cross-sectional view of the second body of the water pipe coupling flange;

FIG. 6 is a second perspective cross-sectional view of the second body of the water pipe coupling flange;

FIG. 7 is a perspective sectional view of the first coupling sleeve of the water pipe coupling flange;

fig. 8 is a perspective sectional view of the second connection sleeve of the water pipe connection flange.

In the figure: 1. a first connecting sleeve; 101. an inner straight pipe; 102. a first flange plate; 103. an external thread; 104. a first flange; 2. a second connecting sleeve; 201. an outer straight tube; 202. a second flange plate; 203. an internal thread; 204. a second flange; 3. a first pipe body; 301. inserting a tube; 302. a first pipe connection end; 303. a first limit ring; 4. a second tube body; 401. a sleeve; 402. a second tube end; 403. a second stop collar; 404. an inner flange; 5. a first airtight ring; 6. a seal ring; 7. a second airtight ring.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The water pipe coupling flange shown in fig. 1 to 8 includes a first pipe body 3 and a second pipe body 4 which can be inserted into each other, as a part of the water pipe, which is an end portion of the water pipe to be butted, a sealing ring 6 is provided on an inner wall of the second pipe body 4, the inner wall of the second pipe body 4 has an inner flange 404, the sealing ring 6 is clamped on an end surface of the inner flange 404, an annular groove located at the end portion of the inner flange 404 is provided on the inner wall of the second pipe body 4, the sealing ring 6 is adapted to be embedded into the annular groove to prevent the sealing ring 6 from shifting or falling off in the second pipe body 4 after installation and before tight insertion, and the sealing ring 6 can be well kept stable after the groove structure is provided.

First body 3 inserts in the second body 4, the outer wall of first body 3 and the inner wall laminating of second body 4, make the clearance between the two very little, do not need extra extrusion force also to have fine hindrance effect to the water that inside passes through, the tip of first body 3 withstands and extrudes sealing washer 6, thereby make first body 3 and the clearance seal before 4 inside channels of second body and the 3 outer walls of first body and the 4 inner walls of second body separate, can hinder the gap that the high pressure water in the body passes through the body butt joint department and spill over, further improve leak protection water performance.

The outer part of the first pipe body 3 is provided with a first connecting sleeve 1, the main body part of the first pipe body 3 is an insertion pipe 301, the first connecting sleeve 1 is movably connected to the outer side of the insertion pipe 301, the first connecting sleeve 1 can slide in a certain range relative to the first pipe body 3 or rotate along the axis of the insertion pipe 301, one end of the insertion pipe 301, which is far away from the second pipe body 4, is a first pipe connection end 302 used for connecting the end part of a longer water pipe and generally fixedly connected with the water pipe, the outer side surface of the insertion pipe 301 is provided with a coaxial first limiting ring 303, the main body part of the first connecting sleeve 1 is an inner straight pipe 101, the inner wall of the inner straight pipe 101 is provided with a first blocking edge 104 positioned between the first pipe connection end 302 and the first limiting ring 303, the first blocking edge 104 is restrained between the first pipe connection end 302 and the first limiting ring 303 and used for preventing the first connecting sleeve 1 from being separated from the first pipe body 3, a first airtight ring 5 is arranged between the first blocking edge 104 and the first limiting ring 303, on one hand, the other hand, the airtight ring is made of soft material such as rubber or silica gel, and can provide an elastic support force between the first blocking edge 104 and the first limiting ring 303; on the other hand, the first airtight ring 5 is suitable for being embedded in the annular groove of the first limiting ring 303, and can prevent the first airtight ring 5 from falling off.

A second connecting sleeve 2 is arranged outside the second tube 4, a main body part of the second tube 4 is a sleeve 401, the second connecting sleeve 2 is movably connected to the outer side of the sleeve 401, the second connecting sleeve 2 can slide in a certain range relative to the second tube 4 or rotate along the axis of the sleeve 401, one end of the sleeve 401, which is far away from the first tube 3, is a second tube connecting end 402, which is also used for fixedly connecting the end part of another longer water tube, the outer side surface of the sleeve 401 is provided with a coaxial second limiting ring 403, the main body part of the second connecting sleeve 2 is an outer straight tube 201, the inner wall of the outer straight tube 201 is provided with a second blocking edge 204, which is positioned between the second tube connecting end 402 and the second limiting ring 403, the second blocking edge 204 is positioned between the second tube connecting end 402 and the second limiting ring 403, and is used for preventing the second connecting sleeve 2 from being separated from the second tube 4, a second airtight ring 7 is arranged between the second blocking edge 204 and the second limiting ring 403, on the same hand, the airtight ring is made of soft material, and can generate elastic supporting force between the second blocking edge 204 and the second limiting ring 403, and provide an elastic pre-tightening force; on the other hand, the second airtight ring 7 is adapted to be embedded in the annular groove of the second stopper ring 403 to prevent the second airtight ring 7 from falling off, and the annular groove is formed in the end surface of the second stopper ring 403 facing the second stopper edge 204 to improve the air tightness between the second connection sleeve 2 and the second pipe 4.

The outer side surface of the inner straight pipe 101 is provided with an external thread 103, the inner wall of the outer straight pipe 201 is provided with an internal thread 203, the external thread 103 is suitable for being in thread fit with the internal thread 203, the first connecting sleeve 1 is suitable for being in thread fit with the second connecting sleeve 2 so that the first pipe body 3 is tightly inserted into the second pipe body 4, and the matching mode is adopted, on one hand, because the threads have good sealing performance, a cavity formed between the first connecting sleeve 1 and the second connecting sleeve 2 which are matched with each other can be in a sealing state, and the anti-overflow performance of the butt joint of the pipe bodies is further improved; on the other hand, the rotary feeding mode realizes that the pipe bodies are tightly inserted and extruded, so that the screwing mode has better water leakage prevention effect compared with the inserting, clamping or bolt connection mode.

The first connecting sleeve 1 and the second connecting sleeve 2 are both provided with outward-extending flanges and serve as force application handles, a labor-saving lever is formed, the first connecting sleeve 1 is screwed more easily relative to the second connecting sleeve 2, the flange arranged on the first connecting sleeve 1 is a first flange 102, the first flange 102 is located at the end part, far away from the second connecting sleeve 2, of the inner straight pipe 101, the outer surface of the inner straight pipe 101 is continuously full of external threads 103, the strength of thread fit is ensured, the flange arranged on the second connecting sleeve 2 is a second flange 202, the arrangement position of the second flange 202 can be random, the arrangement length of the internal threads 203 is not influenced by the arrangement position of the second flange 202, the second flange 202 can be generally located at any position of the outer side surface of the outer straight pipe 201, the second flange 202 can be integrally formed with the outer straight pipe 201 under the common condition, the welding process steps are reduced, and the integrally formed structural strength is higher and the stability is better.

The mounting mode of the water pipe connecting flange is as follows: the connecting sleeve can not be separated from the corresponding pipe body after the product is produced, the sealing structure is difficult to fall off from the pipe body, the situation that parts are lost and are not complete when the connecting sleeve is used can be effectively prevented, when two water pipes are required to be connected, the pipe connecting end of the two pipe bodies and the end part of the water pipe required to be connected are required to be fixed, the fixing is generally realized through a hoop, the inserting pipe 301 of the first pipe body 3 is aligned to the sleeve 401 of the second pipe body 4 after the connecting sleeve is completed, the inserting sleeve is pre-inserted and does not need to be tightly inserted to the bottom, the inserting sleeve can be directly inserted to the bottom, the outer wall of the inserting pipe 301 is only close to the inner wall of the sleeve 401 in a fitting mode, therefore, the inserting process is relatively labor-consuming, the corresponding connecting sleeve sleeved outside the pipe can be used when the inserting labor-consuming, the inserting sleeve can be mutually matched through the threaded structure of the connecting sleeves, the inserting pipe 301 can be slowly inserted into the sleeve 401 in a rotating feeding mode, the sealing ring 6 inside of the sleeve 401 is compressed by the end part of the inserting pipe 301 until the end part of the inserting pipe, the connecting part of the pipe can be sealed and butted well, the water pipe is butted well, and the three layers of the sealing structure, and the good water leakage-proof structure has a good water leakage-proof function.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. A water pipe coupling flange is characterized in that: including first body (3) and second body (4) that can insert each other and close, the inner wall of second body (4) is provided with sealing washer (6), first body (3) insert in second body (4), the tip of first body (3) withstands and extrudes sealing washer (6), thereby make first body (3) and second body (4) inside passage with clearance packing before first body (3) outer wall and second body (4) inner wall, the outside of first body (3) is provided with first adapter sleeve (1), the outside of second body (4) is provided with second adapter sleeve (2), first adapter sleeve (1) and second adapter sleeve (2) all are provided with outside ring flange, first adapter sleeve (1) be suitable for thereby make with the cooperation of second adapter sleeve (2) first body (3) insert tightly in second body (4).

2. The water pipe coupling flange according to claim 1, wherein: the outer wall of the first pipe body (3) is attached to the inner wall of the second pipe body (4), an inner flange (404) is arranged on the inner wall of the second pipe body (4), and the sealing ring (6) is clamped on the end face of the inner flange (404).

3. A water pipe coupling flange as defined in claim 1, wherein: the main body part of the first pipe body (3) is an insertion pipe (301), one end, far away from the second pipe body (4), of the insertion pipe (301) is a first pipe connection end (302), the outer side surface of the insertion pipe (301) is provided with a coaxial first limiting ring (303), the main body part of the first connecting sleeve (1) is an inner straight pipe (101), and the inner wall of the inner straight pipe (101) is provided with a first blocking edge (104) located between the first pipe connection end (302) and the first limiting ring (303); the main part of second body (4) is sleeve pipe (401), the one end that first body (3) was kept away from to sleeve pipe (401) is second pipe holding end (402), the lateral surface of sleeve pipe (401) has coaxial second spacing ring (403), the main part of second adapter sleeve (2) is outer straight tube (201), the inner wall of outer straight tube (201) has and is located second pipe holding end (402) and second spacing ring (403) between second keep off edge (204).

4. A water pipe coupling flange as defined in claim 3, wherein: first adapter sleeve (1) swing joint in the outside of intubate (301), external screw thread (103) have been seted up to the lateral surface of interior straight tube (101), second adapter sleeve (2) swing joint in the outside of sleeve pipe (401), internal thread (203) have been seted up to the inner wall of outer straight tube (201), external screw thread (103) be suitable for with internal thread (203) screw-thread fit.

5. A water pipe coupling flange as claimed in any one of claims 3 to 4, wherein: a first airtight ring (5) is arranged between the first blocking edge (104) and the first limiting ring (303), and a second airtight ring (7) is arranged between the second blocking edge (204) and the second limiting ring (403).

6. The water pipe coupling flange according to claim 5, wherein: an annular groove is formed in the end face, opposite to the first blocking edge (104), of the first limiting ring (303), and the first airtight ring (5) is suitable for being embedded in the annular groove of the first limiting ring (303); an annular groove is formed in the end face, opposite to the second blocking edge (204), of the second limiting ring (403), and the second airtight ring (7) is suitable for being embedded in the annular groove of the second limiting ring (403).

7. A water pipe coupling flange as defined in claim 2, wherein: the inner wall of the second pipe body (4) is provided with an annular groove located at the end part of the inner flange (404), and the sealing ring (6) is suitable for being embedded into the annular groove.

8. A water pipe coupling flange as defined in claim 6, wherein: the ring flange that sets up on first adapter sleeve (1) is first ring flange (102), first ring flange (102) are located interior straight tube (101) are kept away from the tip of second adapter sleeve (2), the ring flange that sets up on second adapter sleeve (2) is second ring flange (202), second ring flange (202) are located the lateral surface of outer straight tube (201), and with outer straight tube (201) integrated into one piece.