Bent pipe fitting of building water supply and drainage pipeline

By designing the installation cylinder and sealing components, and using the fixed connecting rod and cap, the problems of poor sealing effect and poor fixation of the bend fittings in building water supply and drainage pipes are solved, achieving multiple seals and stable connection.

CN223447912UActive Publication Date: 2025-10-17NINGXIA ZHONGYE CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202422774428.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-10-17
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing building water supply and drainage pipe bends have limited sealing effect at the connection points, making them prone to leakage, and their fixation is poor. The commonly used sealing rings or tapes are not stable for fixing.

Method used

The design incorporates a combination of an installation cylinder, sealing components, and a fixing connecting rod. The installation cylinder contains a sealing sleeve, an inner convex ring, and an outer convex ring. The outer convex ring engages with the inner groove of the bend and pipe. Combined with the rubber gasket and the threaded connection between the fixing connecting rod and the cap, multiple seals and stable fixation are achieved.

Benefits of technology

It improves the sealing effect of the bend fitting to prevent water leakage, and the setting of multiple sets of fixed connecting rods and caps ensures connection stability and prevents loosening.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a building water supply and drainage pipeline bent pipe fitting which comprises a bent pipe part, a pipeline part, a mounting cylinder and a sealing assembly, the mounting cylinder is inserted into the bent pipe part and the pipeline part respectively, and the mounting cylinder, the bent pipe part and the pipeline part are connected and limited through a fixed connecting rod and a fixed connecting cap. The sealing assemblies are symmetrically arranged on the two sides of the mounting cylinder and used for sealing the connecting position of the mounting cylinder and the bent pipe part and the connecting position of the mounting cylinder and the pipeline part. According to the building water supply and drainage pipeline bent pipe fitting, the multiple sealing effect can be achieved between the bent pipe part and the pipeline part, the actual sealing effect is very good, butt joint positioning can be conveniently conducted between the bent pipe part and the pipeline part, and water leakage caused by the fact that the sealing effect is reduced in the long-term use process is prevented; and the fixed connecting rod and the fixed connecting cap are arranged at the joint of the bent pipe part and the pipeline part at equal angles, so that the bent pipe part and the pipeline part can be butted and fixed very conveniently and stably.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to building water supply and drainage elbow related technical field, concretely is a kind of building water supply and drainage pipeline elbow piece. BACKGROUND

[0002] Building water supply and drainage refers to the water that meets water quality standards is sent to the cold water supply system of water equipment for life, production and fire fighting, including building water supply system and building drainage system, and important component in pipeline building water supply and drainage system, and drainage pipeline needs to use elbow for connection at corner when connecting;

[0003] As announcement No.CN208886220U, discloses a drainage pipe elbow, including elbow, the side of elbow mouth is equipped with the clamping groove and sliding slot of ring, the clamping groove is close to elbow inner wall setting, the sliding slot is close to elbow outer wall setting, the side wall of the sliding slot close to clamping groove is surrounded and equipped with four symmetrical through-holes, four The through-hole is connected with clamping groove and sliding slot, four The sliding rod is slidably connected in the through-hole, the side wall of the sliding rod is equipped with two reset devices symmetrically.The utility model connects straight pipe and elbow through the cooperation between groove and clamping block, replaces the traditional direct insertion and relies on the mode of glue bonding fixation, achieves the purpose that the disassembly and installation of straight pipe and elbow are extremely simple and convenient, and the sealing performance is excellent, saves the cost and time of replacement and maintenance when drainage pipe system is damaged;

[0004] However, the connection in the prior art is mostly sealed by a single sealing ring or sealing tape, the actual sealing effect is limited, the possibility of water leakage is larger in long-term use, the sealing effect needs to be improved urgently, and the connection is mostly fixed by glue or tape, the fastening property is poor, for example, the above-mentioned comparative patent has the problem;

[0005] Therefore, we propose a building water supply and drainage pipeline elbow piece to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a building water supply and drainage pipeline elbow piece to solve the problem that the connection in the prior art is mostly sealed by a single sealing ring or sealing tape, the actual sealing effect is limited, the possibility of water leakage is larger in long-term use, the sealing effect needs to be improved urgently, and the connection is mostly fixed by glue or tape, the fastening property is poor.

[0007] To achieve the above object, the utility model provides the following technical scheme: a building water supply and drainage pipeline elbow piece, including elbow part and pipeline part.

[0008] Further comprising:

[0009] The mounting cylinder is respectively inserted in the elbow part and the pipeline part, and the mounting cylinder, the elbow part and the pipeline part are connected and limited by the fixed connecting rod and the fixed connecting cap, and a plurality of groups of the fixed connecting rod and the fixed connecting cap are arranged at the connecting position of the elbow part and the pipeline part;

[0010] The sealing assembly is symmetrically arranged at both sides of the mounting cylinder, and the sealing assembly is used for sealing the connecting position of the mounting cylinder and the elbow part and the connecting position of the mounting cylinder and the pipeline part.

[0011] Preferably, a first connecting groove is arranged on the outer surface of the mounting cylinder, and a second connecting groove is arranged on the inner side of the elbow part and the pipeline part.

[0012] Preferably, the sealing assembly comprises a sealing sleeve arranged on the outer surface of the mounting cylinder, an inner convex ring arranged at the middle position of the inner side of the sealing sleeve, an outer convex ring arranged at the middle position of the outer side of the sealing sleeve and a rubber pad capable of improving the sealing effect.

[0013] Preferably, the sealing sleeve, the inner convex ring and the outer convex ring are integrally formed.

[0014] Preferably, the rubber pad is respectively arranged between the mounting cylinder and the elbow part and between the mounting cylinder and the pipeline part.

[0015] Preferably, the inner convex ring is clamped and connected in the first connecting groove, and the outer convex ring is respectively clamped and connected in the second connecting groove on the inner side of the elbow part and the pipeline part.

[0016] Preferably, the fixed connecting rod is respectively inserted in the through hole arranged at the connecting position of the elbow part and the pipeline part, and the outer surface of the fixed connecting rod is threadedly connected with the fixed connecting cap used for locking and limiting, and the fixed connecting cap is tightly arranged between the elbow part and the pipeline part.

[0017] Compared with the prior art, the building water supply and drainage pipeline elbow piece has the advantages that: the mounting cylinder and the sealing assembly are arranged, the multiple sealing effect between the elbow part and the pipeline part is achieved, the actual sealing effect is very good, the elbow part and the pipeline part can be butt-jointed and positioned, the sealing effect is prevented from being reduced to cause water leakage in the long-term use, the fixed connecting rod and the fixed connecting cap are arranged at the connecting position of the elbow part and the pipeline part, the elbow part and the pipeline part can be butt-jointed and fixed very conveniently and stably, the fastening property is good, and the elbow part and the pipeline part are prevented from being loosened.

[0018] 1. The elbow part, the pipeline part and the mounting cylinder are arranged, the mounting cylinder is respectively inserted in the elbow part and the pipeline part, and the elbow part and the pipeline part can be butt-jointed and positioned quickly and accurately.

[0019] 2、It is provided with a sealing assembly, the sealing assembly includes a sealing sleeve, an inner flange, an outer flange and a rubber pad, through the setting of the sealing assembly, the connecting place of the elbow pipe part and the pipeline part can be multiple sealed, the sealing effect of the connecting place is greatly improved;

[0020] 3、It is provided with a fixed connecting rod and a fixed connecting cap, a plurality of groups of the fixed connecting rod and the fixed connecting cap are arranged at the connecting place of the elbow pipe part and the pipeline part, through the setting of the fixed connecting rod and the fixed connecting cap, the elbow pipe part and the pipeline part can be positioned very quickly and stably, the fastening is good, and the loosening is effectively prevented. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model;

[0022] Figure 2 It is an exploded structure schematic view of the elbow pipe part, the pipeline part and the mounting cylinder of the utility model;

[0023] Figure 3 It is an exploded structure schematic view of the mounting cylinder and the sealing assembly of the utility model;

[0024] Figure 4 It is a front view cut structure schematic view of the elbow pipe part, the pipeline part and the mounting cylinder of the utility model;

[0025] Figure 5 It is a front view cut structure schematic view of the elbow pipe part, the mounting cylinder, the first connecting groove and the second connecting groove of the utility model;

[0026] Figure 6 It is a front view cut structure schematic view of the elbow pipe part, the mounting cylinder, the first connecting groove and the second connecting groove of the utility model; Figure 1

[0027] Figure 7 It is an exploded structure schematic view of the fixed connecting cap and the fixed connecting rod of the utility model.

[0028] In the drawing: 1, elbow pipe part; 2, pipeline part; 3, mounting cylinder; 4, first connecting groove; 5, sealing assembly; 6, sealing sleeve; 7, inner flange; 8, outer flange; 9, rubber pad; 10, fixed connecting rod; 11, fixed connecting cap; 12, second connecting groove. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0030] Please refer to​Figures 1-7 The utility model provides the following technical scheme.

[0031] Embodiment 1: in order to solve the problems in the prior art, therefore the embodiment is through the following technical scheme, a building water supply and drainage pipeline elbow piece is provided with elbow pipe part 1, pipeline part 2 and installation cylinder 3, installation cylinder 3 is inserted in elbow pipe part 1 and pipeline part 2 respectively, as shown in Figure 1 And Figure 2 Shown, installation cylinder 3 is inserted in elbow pipe part 1 and pipeline part 2 respectively, so that the installation positioning between elbow pipe part 1 and pipeline part 2 can be very fast and convenient.

[0032] Embodiment 2: the existing building water supply and drainage pipeline elbow piece, the connection is mostly sealed only through single sealing ring or sealing tape, and the actual sealing effect is limited, and the possibility of water leakage is relatively large in the long-term use, and the sealing effect needs to be improved, so by setting first connecting groove 4, sealing assembly 5 and second connecting groove 12, sealing assembly 5 is symmetrically arranged on the both sides of installation cylinder 3, and sealing assembly 5 is used to seal the connecting place of installation cylinder 3 and elbow pipe part 1 and installation cylinder 3 and pipeline part 2, the outer surface of installation cylinder 3 is provided with first connecting groove 4, and the inner side of elbow pipe part 1 and pipeline part 2 is provided with second connecting groove 12, sealing assembly 5 includes sealing sleeve 6 arranged on the outer surface of installation cylinder 3, inner convex ring 7 arranged at the middle position of the inner side of sealing sleeve 6, outer convex ring 8 arranged at the middle position of the outer side of sealing sleeve 6 and rubber pad 9 capable of improving the sealing effect, sealing sleeve 6, inner convex ring 7 and outer convex ring 8 are integrally formed, rubber pad 9 is respectively arranged between installation cylinder 3 and elbow pipe part 1 and installation cylinder 3 and pipeline part 2, inner convex ring 7 is clamped and connected in first connecting groove 4, and outer convex ring 8 is respectively clamped and connected in second connecting groove 12 in the inner side of elbow pipe part 1 and pipeline part 2, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 Shown, sealing sleeve 6 is arranged on the outer surface of installation cylinder 3, and inner convex ring 7 is clamped in first connecting groove 4, and outer convex ring 8 is clamped in second connecting groove 12 in the inner side of elbow pipe part 1 and pipeline part 2, so that good sealing effect can be achieved, and sealing sleeve 6 is respectively arranged on the inner wall of elbow pipe part 1 and pipeline part 2, and rubber pad 9 is respectively arranged on the connecting place of elbow pipe part 1 and installation cylinder 3 and installation cylinder 3 and pipeline part 2, and the above-mentioned components can achieve the effect of multiple sealing, and the actual sealing effect is very good, preventing sealing failure in the long-term use.

[0033] In the prior art building water supply and drainage pipeline elbow piece, most of the connecting parts are fixed by glue or tape, and the fastening property is poor, therefore, the fixing connecting rod 10 and the fixing connecting cap 11 are arranged, the mounting cylinder 3, the elbow part 1 and the pipeline part 2 are connected and limited by the fixing connecting rod 10 and the fixing connecting cap 11, a plurality of groups of the fixing connecting rod 10 and the fixing connecting cap 11 are arranged at the connecting position of the elbow part 1 and the pipeline part 2, the fixing connecting rod 10 is respectively inserted into the through hole arranged at the connecting position of the elbow part 1 and the pipeline part 2, the outer surface of the fixing connecting rod 10 is threadedly connected with the fixing connecting cap 11 used for locking and limiting, the fixing connecting cap 11 is respectively tightly arranged between the elbow part 1 and the pipeline part 2, as shown in Figs. Figure 1 、 Figure 6 and Figure 7 After the installation is completed, the fixing connecting rod 10 is inserted into the corresponding position of the elbow part 1 and the pipeline part 2, then the fixing connecting cap 11 is rotated, the fixing connecting cap 11 is threadedly connected with the fixing connecting rod 10, and the fixing connecting cap 11 is tightly arranged between the fixing connecting cap 11 and the pipeline part 2, through the above operation, the elbow part 1 and the pipeline part 2 can be quickly and stably installed and positioned, and the fastening property is good.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A building water supply and drainage pipe elbow, comprising an elbow portion (1) and a pipe portion (2); It is characterized in that Also includes: The mounting cylinder (3) is inserted into the elbow portion (1) and the pipeline portion (2) respectively, and the mounting cylinder (3), the elbow portion (1) and the pipeline portion (2) are connected and limited by a fixed connecting rod (10) and a fixed connecting cap (11), and multiple sets of the fixed connecting rod (10) and the fixed connecting cap (11) are provided at the connection between the elbow portion (1) and the pipeline portion (2); A sealing assembly (5) is symmetrically arranged on both sides of the installation cylinder (3), and the sealing assembly (5) is used to seal the connection between the installation cylinder (3) and the elbow portion (1) and the installation cylinder (3) and the pipeline portion (2).

2. A building water supply and drainage pipe elbow according to claim 1, characterized in that: A first connecting groove (4) is provided on the outer surface of the mounting cylinder (3), and a second connecting groove (12) is provided on the inner sides of both the curved pipe portion (1) and the pipe portion (2).

3. A building water supply and drainage pipe elbow according to claim 1, characterized in that: The sealing assembly (5) comprises a sealing sleeve (6) sleeved on the outer surface of the mounting tube (3), an inner convex ring (7) arranged at a middle position inside the sealing sleeve (6), an outer convex ring (8) arranged at a middle position outside the sealing sleeve (6), and a rubber pad (9) capable of improving the sealing effect.

4. A building water supply and drainage pipe elbow according to claim 3, characterized in that: The sealing sleeve (6), the inner convex ring (7) and the outer convex ring (8) are integrally formed.

5. A building water supply and drainage pipe elbow according to claim 3, characterized in that: The rubber pad (9) is respectively arranged between the installation cylinder (3) and the curved pipe portion (1) and between the installation cylinder (3) and the pipe portion (2).

6. A building water supply and drainage pipe elbow according to claim 3, characterized in that: The inner convex ring (7) is snap-connected in the first connecting groove (4), and the outer convex ring (8) is snap-connected in the second connecting grooves (12) on the inner sides of the elbow portion (1) and the pipe portion (2).

7. The building water supply and drainage pipe elbow according to claim 1, characterized in that: The fixed connecting rods (10) are respectively inserted into through holes provided at the connection positions of the elbow portion (1) and the pipeline portion (2), and the outer surface of the fixed connecting rods (10) is threadedly connected with a fixed connecting cap (11) for locking and limiting, and the fixed connecting cap (11) is respectively arranged to be tightly fitted between the elbow portion (1) and the pipeline portion (2).

Citation Information

Patent Citations

  • Elbow of drain pipe

    CN208886220U