CN220416511U - Water supply steel pipe with water leakage prevention at spliced part - Google Patents

Abstract

The utility model provides a water supply steel pipe with water leakage prevention at a spliced position, which comprises a water supply steel pipe and a spliced pipe, wherein openings of the two water supply steel pipes are spliced with a barrel through the spliced pipe, the water supply steel pipe is further provided with a leakage prevention piece, the leakage prevention piece is wrapped outside the water supply steel pipe and the spliced pipe, the leakage prevention piece comprises a first leakage prevention pipe and a second leakage prevention pipe, the first leakage prevention pipe is in threaded connection with the second leakage prevention pipe, sealing components are arranged in the first leakage prevention pipe and the second leakage prevention pipe, each sealing component acts on the spliced position of the spliced pipe and the water supply steel pipe, the water supply steel pipe is connected with the second leakage prevention pipe through the first leakage prevention pipe through the threads, and covers the spliced pipe and the water supply steel pipe at the spliced position, so that the water supply steel pipe has a protection effect, dislocation or bending is avoided, the installation and maintenance are convenient, the sealing performance of the spliced position is enhanced, and the leakage prevention performance is improved, and a relatively high leakage prevention effect is achieved.

Description

Water supply steel pipe with water leakage prevention at spliced part

Technical Field

The utility model mainly relates to the technical field of water supply steel pipes, in particular to a water supply steel pipe with water leakage prevention at a spliced position.

Background

The water supply steel pipes are generally buried underground, so that the maintenance is inconvenient, and as time goes by, the joint of the two steel pipes or the maintenance splicing part can generate certain-amplitude dislocation or bending due to the subsidence of the ground or the compression of external force, so that the sealing at the joint of the two steel pipes is invalid to cause leakage; current patent application number: 202120835203.8 the utility model provides a leak-proof water supply pipe which has the advantages that the end area of the water pipe can be reliably fixed, the shaking of the end can be reduced after being stressed, and the breakage of the welding part can be effectively avoided.

For the related art, the inventor considers that the prior art has relatively complex structure for preventing leakage at the spliced position, complicated disassembly and assembly steps and relatively poor sealing performance, and the spliced position needs to be maintained for many times because the ground subsides or is pressed by external force to easily misplace or bend and fix the performance is weak, so that the protection effect can not be achieved, and the leakage prevention effect is poor.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides a water supply steel pipe with water leakage prevention at a spliced position.

The utility model adopts the following technical scheme: the utility model provides a water supply steel pipe that concatenation department leak protection water, includes water supply steel pipe, splice pipe, two water supply steel pipe's opening part passes through the splice pipe concatenation intercommunication, still includes leak protection spare, leak protection spare parcel is in water supply steel pipe with the splice pipe outside, leak protection spare includes first leak protection pipe and second leak protection pipe, first leak protection pipe with second leak protection pipe threaded connection, all be provided with seal assembly in first leak protection pipe and the second leak protection pipe, every seal assembly acts on splice pipe with water supply steel pipe concatenation department.

Preferably, the sealing assembly comprises an annular push block and a sealing ring, the push block acts on the sealing ring, and the sealing ring is in close contact with the side wall of the spliced tube.

Preferably, the push block is provided with a plurality of step holes, each step hole is internally provided with a spring and a movable push rod, the push rods are fixedly connected with an annular push plate, the push plate is fixedly provided with a rubber plate, and the rubber plate is in close contact with the sealing ring.

Preferably, the section of the pushing rod is T-shaped, and the pushing rod is limited and moves in the step hole.

Preferably, two ends of the spring are connected with the inner wall of the step hole and the pushing rod.

Preferably, the inner wall of the first leakage-proof pipe is provided with an internal thread, the second leakage-proof pipe is provided with a connecting tooth matched with the inner wall of the first leakage-proof pipe, the outer wall of the connecting tooth is provided with an external thread, and the external thread is connected with the internal thread.

Preferably, the first leakage preventing pipe and the second leakage preventing pipe are both fixed with rotating nuts.

Preferably, the outer walls of the first leakage-proof pipe and the second leakage-proof pipe are respectively provided with an anti-skid stripe.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first leakage-proof pipe is in threaded connection with the second leakage-proof pipe and covers the splicing pipe at the splicing position and the outer side of the water supply steel pipe, so that the protection effect is achieved, dislocation or bending is avoided, the installation and maintenance are convenient, the tightness of the splicing position is enhanced through the sealing component, the leakage-proof performance is improved, and a relatively high leakage-proof effect is achieved.

2. According to the utility model, the pushing block pushes the sealing ring to be in contact with the side wall of the spliced pipe at the spliced position, so that the spliced position is further sealed, and the sealing performance is enhanced; further promote the sealing washer through spring, catch bar, push pedal and the rubber slab that the ejector pad set up, further strengthen the leakproofness, adapt to the concatenation pipe of different length.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a partial structure explosion of the present utility model;

FIG. 3 is a cross-sectional view of the overall structure of the present utility model;

fig. 4 is an enlarged view of the structure of the area a of the present utility model.

In the figure: 1. a water supply steel pipe; 2. splicing pipes; 3. a leakage preventing member; 31. a first leakage preventing pipe; 32. a second leakage preventing pipe; 33. rotating the nut; 4. a seal assembly; 41. a pushing block; 411. a spring; 412. a push rod; 413. a push plate; 414. a rubber plate; 42. and (3) sealing rings.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Embodiment one:

referring to fig. 1-4, a water supply steel pipe with water leakage prevention at a splicing position comprises a water supply steel pipe 1 and a splicing pipe 2, wherein openings of the two water supply steel pipes 1 are spliced and communicated through the splicing pipe 2, the water supply steel pipe further comprises a leakage prevention piece 3, the leakage prevention piece 3 is wrapped on the outer side of the water supply steel pipe 1 and the splicing pipe 2, the leakage prevention piece 3 comprises a first leakage prevention pipe 31 and a second leakage prevention pipe 32, the first leakage prevention pipe 31 is in threaded connection with the second leakage prevention pipe 32, sealing assemblies 4 are arranged in the first leakage prevention pipe 31 and the second leakage prevention pipe 32, and each sealing assembly 4 acts on the splicing position of the splicing pipe 2 and the water supply steel pipe 1.

In this embodiment, the sealing assembly 4 includes an annular push block 41 and a sealing ring 42, the push block 41 acts on the sealing ring 42, and the sealing ring 42 is in close contact with the side wall of the spliced tube 2.

In this embodiment, please refer to fig. 2 and fig. 3, an inner wall of the first leakage preventing tube 31 is provided with an inner thread, the second leakage preventing tube 32 is provided with a connecting tooth matching with the inner wall of the first leakage preventing tube 31, an outer thread is provided on an outer wall of the connecting tooth, and the outer thread is connected with the inner thread.

In this embodiment, the first leakage preventing pipe 31 and the second leakage preventing pipe 32 are each fixed with a rotation nut 33.

In this embodiment, the outer walls of the first leakage preventing pipe 31 and the second leakage preventing pipe 32 are provided with anti-slip stripes.

The implementation principle of the water supply steel pipe with the water leakage prevention at the spliced position of the first embodiment of the utility model is as follows:

when the novel water supply pipe is used, the first leakage preventing pipe 31 and the second leakage preventing pipe 32 are respectively sleeved on two water supply steel pipes 1 needing to be spliced, two groups of pushing blocks 41 are installed in the inner cavities of the first leakage preventing pipe 31 and the second leakage preventing pipe 32, sealing rings 42 are respectively installed in the inner cavities of the first leakage preventing pipe 31 and the second leakage preventing pipe 32 and are positioned at the outer sides of the pushing blocks 41, the two water supply steel pipes 1 are spliced through the splicing pipe 2, after splicing is completed, connecting teeth of the second leakage preventing pipe 32 are aligned with the inner cavities of the first leakage preventing pipe 31, the first leakage preventing pipe 31 and the second leakage preventing pipe 32 are oppositely screwed, external threads at the outer sides of the connecting teeth are connected with internal threads of the inner wall of one leakage preventing pipe, the first leakage preventing pipe 31 is connected with the second leakage preventing pipe 32, and the two circular pushing blocks 41 are driven to push sealing rings 42 to be closely contacted with the spliced part of the water supply steel pipes 1, the installation is convenient and fast, the maintenance efficiency is improved, the sealing performance is improved, and the maintenance times are reduced; the first leakage preventing pipe 31 and the second leakage preventing pipe 32 are easily screwed by turning the nuts 33 and the slip preventing bars.

Embodiment two:

in this embodiment, as to the improvement of the sealing assembly 4 in the first embodiment, a pushing structure is added, please refer to fig. 3 and fig. 4, the pushing block 41 is provided with a plurality of step holes, each step hole is internally provided with a spring 411 and a movable pushing rod 412, the pushing rod 412 is fixedly connected with an annular pushing plate 413, the pushing plate 413 is fixedly provided with a rubber plate 414, and the rubber plate 414 is in tight contact with the sealing ring 42.

In this embodiment, the cross-section of the pushing rod 412 is T-shaped, and the pushing rod is limited to move in the step hole.

In this embodiment, two ends of the spring 411 are connected to the inner wall of the stepped hole and the push rod 412.

The implementation principle of the water supply steel pipe with the water leakage prevention at the spliced position of the first embodiment of the utility model is as follows:

when the first leakage-proof pipe 31 is connected with the second leakage-proof pipe 32, the two circular pushing blocks 41 are driven to move, so that the springs 411 and the pushing rods 412 on the pushing blocks 41 are driven to push the pushing plates 413, and the rubber plates 414 on the pushing plates 413 are in contact with the sealing rings 42, so that the sealing rings 42 are in close contact with the splicing pipe 2 and the splicing part of the water supply steel pipe 1, the sealing effect is further improved, the application range is improved, and the splicing pipes 2 with different lengths can be sealed.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (8)

1. The utility model provides a water supply steel pipe that splice leak protection water, includes water supply steel pipe (1), concatenation pipe (2), two the opening part of water supply steel pipe (1) is passed through concatenation pipe (2) splice intercommunication, its characterized in that: still include leak protection spare (3), leak protection spare (3) parcel is in water supply steel pipe (1) with concatenation pipe (2) outside, leak protection spare (3) include first leak protection pipe (31) and second leak protection pipe (32), first leak protection pipe (31) with second leak protection pipe (32) threaded connection, all be provided with seal assembly (4) in first leak protection pipe (31) and second leak protection pipe (32), every seal assembly (4) act on concatenation pipe (2) with water supply steel pipe (1) concatenation department.

2. The water supply steel pipe with water leakage prevention at the spliced portion according to claim 1, wherein: the sealing assembly (4) comprises an annular push block (41) and a sealing ring (42), the push block (41) acts on the sealing ring (42), and the sealing ring (42) is in close contact with the side wall of the splicing tube (2).

3. A water supply steel pipe having a water leakage prevention at a spliced portion according to claim 2, wherein: the push block (41) is provided with a plurality of step holes, a spring (411) and a movable push rod (412) are arranged in each step hole, the push rod (412) is fixedly connected with an annular push plate (413), the push plate (413) is fixedly provided with a rubber plate (414), and the rubber plate (414) is in tight contact with the sealing ring (42).

4. A water supply steel pipe having a water leakage prevention at a spliced portion according to claim 3, wherein: the section of the pushing rod (412) is T-shaped, and the pushing rod is limited and moves in the step hole.

5. The water supply steel pipe with water leakage prevention at the spliced portion according to claim 4, wherein: and two ends of the spring (411) are connected with the inner wall of the stepped hole and the pushing rod (412).

6. A water supply steel pipe having a water leakage prevention at a joint according to any one of claims 1 to 5, wherein: the inner wall of the first leakage prevention pipe (31) is provided with an internal thread, the second leakage prevention pipe (32) is provided with a connecting tooth matched with the inner wall of the first leakage prevention pipe (31), the outer wall of the connecting tooth is provided with an external thread, and the external thread is connected with the internal thread.

7. The water supply steel pipe with water leakage prevention at the spliced portion according to claim 6, wherein: the first leakage-proof pipe (31) and the second leakage-proof pipe (32) are both fixed with a rotating nut (33).

8. The water supply steel pipe with water leakage prevention at the spliced portion according to claim 7, wherein: the outer walls of the first leakage-proof pipe (31) and the second leakage-proof pipe (32) are respectively provided with an anti-skid stripe.