CN219082513U

CN219082513U - Thin-wall pipeline connecting piece for house

Info

Publication number: CN219082513U
Application number: CN202223409909.1U
Authority: CN
Inventors: 丁梅芳; 钱斌华; 张浩杰
Original assignee: Zhejiang Dadongwu Group Construction Co Ltd
Current assignee: Zhejiang Dadongwu Group Construction Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-26
Anticipated expiration: 2032-12-20

Abstract

The utility model belongs to the technical field of indoor water supply pipelines, and particularly relates to a thin-wall pipeline connecting piece for houses. The utility model provides a house thin-wall pipeline connecting piece, which can be formed by arranging radial holes, limiting rods, annular grooves and sealing rings on a connecting pipe: 1. the basic sealing effect of the connecting piece is ensured; 2. the limiting rod is welded with the stainless steel tube, and the connecting tube is sleeved on the limiting rod, so that the connecting piece can be stably installed; 3. compared with the welding mode of forming the annular groove and forming the screw thread, the welding mode of the limiting rod is relatively simple, and the stainless steel tube is not easy to deform or crack.

Description

Thin-wall pipeline connecting piece for house

Technical Field

The utility model belongs to the technical field of indoor water supply pipelines, and particularly relates to a thin-wall pipeline connecting piece for houses.

Background

The thin wall pipeline for house is one water supply pipeline for building and is made of thin wall stainless steel pipe. Compared with a plastic pipe, the stainless steel pipe has the advantages that: is more sanitary and stronger. But also can be recycled and reused by 100 percent.

On the other hand, when it is used in a water supply pipe, it is inevitable to require a connector to ensure that 2 adjacent pipes can be sufficiently connected, sufficiently sealed and leak-proof. However, at this time, the plastic pipe is more convenient, and the connection reinforcing structure such as the screw thread and the groove is relatively easy, and the stainless steel pipe is difficult to be provided with the screw thread, because the stainless steel pipe is not only firm, but also has the characteristic of thin wall.

The Chinese patent with the publication number of CN207539459U and the publication date of 2018.06.26 discloses a seamless thin-wall stainless steel pipe and a connecting pipe fitting, which comprises a seamless thin-wall stainless steel pipe, a clamping structure and a seamless thin-wall stainless steel connecting piece, wherein one end of the stainless steel pipe is inserted into the stainless steel connecting piece, the stainless steel connecting piece is connected with the stainless steel pipe through the clamping structure, one end of the stainless steel connecting piece is provided with a boss, and the boss is arranged at the joint of the stainless steel connecting piece and the stainless steel pipe.

The connecting structure in the patent of the utility model realizes the full connection mode that: the groove of the connecting piece is clamped with the groove of the water pipe, and more than one part is realized, and the mode of fully sealing is as follows: a sealing ring is arranged in a boss of the connecting piece and clamps the water pipe. Finally, the connection structure is ensured to have proper connection stability and tightness.

However, in the practical use process, the connecting structure has at least the following 2 defects, namely the technical problem to be solved by the utility model.

When the first connecting piece is used, the annular groove needs to be formed in the water pipe, so that the difficulty is relatively high, or in other words, the connecting piece is only suitable for the water pipe with the preset annular groove, and the application range is relatively small.

And secondly, even if the water pipe is smoothly provided with the annular groove, the clamping structure between the grooves still belongs to movable connection, and relatively large falling risks are realized.

Therefore, in view of the above, there is an urgent need for a new connector with a more stable and stable mounting structure and wider applicability, so as to be used in a thin-walled stainless steel pipeline for house water supply.

Disclosure of Invention

The utility model provides a house thin-wall pipeline connecting piece, which can be formed by arranging radial holes, limiting rods, annular grooves and sealing rings on a connecting pipe: 1. the basic sealing effect of the connecting piece is ensured; 2. the limiting rod is welded with the stainless steel tube, and the connecting tube is sleeved on the limiting rod, so that the connecting piece can be stably installed; 3. compared with the welding mode of forming the annular groove and forming the screw thread, the welding mode of the limiting rod is relatively simple, and the stainless steel tube is not easy to deform or crack.

The utility model adopts the technical proposal that: the utility model provides a house is with thin wall pipeline connecting piece, the structure still includes the setting radial hole on the connecting pipe, peg graft and set up radial hole is last, and be used for the gag lever post of welding stainless steel pipe, set up ring channel on the anchor ring in the connecting pipe, and set up on the ring channel, and be used for pressing from both sides the sealing washer of tight stainless steel pipe, the sealing washer is close to the mouth of pipe position of stainless steel pipe more than the gag lever post.

The further preferable technical scheme is as follows: and an operation hole communicated with the radial hole is further formed in the connecting pipe, and a limiting rod welding block is arranged in the operation hole.

The further preferable technical scheme is as follows: the operation hole and the radial hole are square in shape, and the side length of the operation hole is smaller than that of the radial hole.

The further preferable technical scheme is as follows: the outer ring surface of the connecting pipe is also provided with an annular protruding block, and the radial dimension of the cross section of the annular groove is larger than the wall thickness of the connecting pipe.

The further preferable technical scheme is as follows: the cross section shape of the annular groove is a major arc bow, and the cross section shape of the sealing ring is a circle.

The further preferable technical scheme is as follows: the number of the annular grooves at one end position on the connecting pipe is 2.

The further preferable technical scheme is as follows: the number of the limit rods at one end position on the connecting pipe is 2-4.

The further preferable technical scheme is as follows: and the connecting pipe is also provided with an elastic dustproof pipe for sleeving the stainless steel pipe.

The further preferable technical scheme is as follows: an L-shaped plate for pre-flaring is arranged on the outer ring surface of the elastic dustproof pipe.

The further preferable technical scheme is as follows: 4-8L-shaped plates for pre-flaring are arranged on the single elastic dustproof pipe.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of a 1 st shape pattern of the connecting tube according to the present utility model.

FIG. 3 is a schematic view of a 2 nd shape pattern of the connecting tube according to the present utility model.

FIG. 4 is a schematic view of the position and shape of the annular groove in the present utility model.

FIG. 5 is a schematic diagram of the position structure of the operation hole and the stop lever welding block in the utility model.

Fig. 6 is a schematic view of the usage principle of the elastic dust-proof tube in the present utility model.

FIG. 7 is a schematic view showing the operation of the elastic dust tube of the present utility model with the elastic dust tube broken in advance before the connector is removed.

In the drawings, the meanings indicated by the respective reference numerals are as follows:

stainless steel tube a, dust and dirt b, ring c for pre-flaring and lacerating d;

the device comprises a connecting pipe 1, a radial hole 2, a limiting rod 3, an annular groove 4, a sealing ring 5, an operation hole 6, a limiting rod welding block 7, an annular protruding block 8, an elastic dustproof pipe 9 and an L-shaped plate 10 for pre-flaring.

Detailed Description

The following description is of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model.

As shown in fig. 1-7, the structure of the thin-wall pipeline connecting piece for houses comprises a connecting pipe 1, a radial hole 2 arranged on the connecting pipe 1, a limit rod 3 which is inserted and arranged on the radial hole 2 and used for welding a stainless steel pipe a, an annular groove 4 arranged on the inner annular surface of the connecting pipe 1, and a sealing ring 5 which is arranged on the annular groove 4 and used for clamping the stainless steel pipe a, wherein the sealing ring 5 is closer to the pipe orifice position of the stainless steel pipe a than the limit rod 3.

In this embodiment, the material of the connecting pipe 1 is also thin-walled stainless steel, 2-4 radial holes 2 are uniformly arranged at a circle of positions of the connecting pipe 1 at intervals, after the two ends of the connecting piece are sleeved, one end of the limiting rod 3 is welded on the outer annular surface of the stainless steel pipe a, and when the connecting piece needs to be removed, the limiting rod 3 needs to be firstly welded with the outer annular surface of the stainless steel pipe a, so that the corresponding temperature of the welding material needs to be less than the melting point of the stainless steel. This approach has no effect on the structural integrity and circular shape of the stainless steel tube a, which is very efficient.

In addition, the sealing ring 5 can be fully fixed on the annular groove 4, and can also be properly protruded to be used for clamping the outer annular surface of the stainless steel pipe a, so that the connecting piece is ensured to have sufficient sealing and leakage-proof performance.

And the sealing ring 5 is made of silicon rubber, nitrile rubber or ethylene propylene diene monomer rubber which meet the national standard requirements, so that the water supply pipeline is not polluted.

The connecting pipe 1 is also provided with an operation hole 6 communicated with the radial hole 2, and a limit rod welding block 7 is arranged in the operation hole 6.

In the present embodiment, the word "operation" of the operation hole 6 means a welding operation and a releasing welding operation, that is, forming and removing the stopper rod welding block 7.

The shape of the operation hole 6 and the shape of the radial hole 2 are square, and the side length of the operation hole 6 is smaller than that of the radial hole 2.

In this embodiment, the cross section of the stop lever 3 is square, and the side length of the stop lever is 0.5-1.0mm smaller than that of the radial hole 2, so that the stop lever is not loosened as much as possible, and the side length of the operation hole 6 ensures that the stop lever welding block 7 can be fully formed.

In addition, the radial hole 2 is large, and the operation hole 6 is small, so that the limit rod 3 cannot deviate from the radial hole 2 in the front-back direction, the left-right direction, and the more sufficient installation stability is ensured.

The outer ring surface of the connecting pipe 1 is also provided with an annular protruding block 8, and the radial dimension of the cross section shape of the annular groove 4 is larger than the wall thickness of the connecting pipe 1.

In this embodiment, the annular groove 4 is partially formed on the annular protruding block 8, and this mode has the advantages that:

the thickness of the sealing ring 5 is not limited by the wall thickness of the connecting pipe 1, after all, the connecting pipe 1 is also of a thin-wall structure, and if the sealing ring 5 is too thin, the sealing leakage-proof performance is obviously reduced.

The annular groove 4 has a major arc-shaped cross section, and the sealing ring 5 has a circular cross section.

In this embodiment, the number of central angles of the cross-sectional shape of the annular groove 4 is greater than 180 °, that is, the annular groove 4 is in a closed shape, and the sealing ring 5 needs to be pressed in with force when being pre-installed, so as to be pressed into the annular groove 4.

At this time, the sealing ring 5 is relatively thick and is not easy to fall, so that the outer ring surface of the stainless steel pipe a can be sufficiently clamped, and the leakage prevention can be sufficiently sealed.

The number of the annular grooves 4 at the position of one end of the connection pipe 1 is 2.

In this embodiment, if the number of the annular grooves 4, i.e. the sealing rings 5 is further increased, the complexity of the shape of the connecting piece is relatively high, and the production cost is high, so that the 2 sealing rings 5 can achieve the effects of strengthening the anti-leakage performance and simplifying the whole structure.

The number of the limit rods 3 at one end position on the connecting pipe 1 is 2-4.

In the present embodiment, if the number of the limit lever 3 is small, the strength of the fixed connection pipe 1 may be insufficient, and if it is large, the mounting and removing operations of itself are complicated, thereby determining the number range of 2 to 4.

The connecting pipe 1 is also provided with an elastic dustproof pipe 9 for sleeving the stainless steel pipe a.

In the present embodiment, if the elastic dust-proof tube 9 is not provided, dust dirt b is directly accumulated at the position of the nozzle of the connection tube 1, and there are 2 problems:

1. the risk of contaminating the body of water increases;

2. the connecting pipe 1 is easily locked to the stainless steel pipe a, and the latter is difficult to be pulled out.

Therefore, after the elastic dust-proof pipe 9 is provided, it can sufficiently and suitably elastically clamp the stainless steel pipe a, and at this time, even if dust and dirt b is accumulated, it is difficult to come to the position of the connection pipe 1.

In addition, when the connector is detached, the elastic dust-proof pipe 9 needs to be entirely detached and replaced with a new one, otherwise dust and dirt b on the elastic dust-proof pipe is easily brought into the stainless steel pipe a, and at the moment, the elastic dust-proof pipe 9 can be relatively randomly scratched in the detaching process, namely, a scratching port d is formed, so that the elastic dust-proof pipe is not clamped with the stainless steel pipe a any more, and the elastic dust-proof pipe is entirely discarded before the connecting pipe 1 is pulled out, otherwise, the stainless steel pipe a is easily polluted.

The elastic dustproof pipe 9 does not contact water, has relatively low material cleanliness requirement, can be adhered to the outer ring surface or the end surface of the connecting pipe 1, and the adhered part is not a main stress position.

The outer ring surface of the elastic dustproof pipe 9 is provided with an L-shaped plate 10 for pre-flaring.

In this embodiment, the elastic dust-proof tube 9 has an initial diameter smaller than the connecting tube 1, so that the latter must be "stretched" first when it is desired to insert the former, which is the purpose of the pre-flaring ring c plus the pre-flaring L-shaped plate 10.

In other words, the diameter of the ring c for pre-flaring is larger than the diameter of the circular area of the L-shaped plate 10 for pre-flaring, larger than the stainless steel tube a and larger than the annular protruding block 8, and the same ring c for pre-flaring can be sequentially used for a plurality of connectors, that is, the ring c for pre-flaring slides in the whole process on the whole water supply pipe and is used for sliding.

After the pre-flaring L-shaped plate 10 is pushed down from the pre-flaring ring c, the elastic dustproof pipe 9 is smoothly clamped with the connecting pipe 1, and the pre-flaring ring c can go to the next pre-flaring L-shaped plate 10.

4-8L-shaped plates 10 for pre-flaring are arranged on the elastic dustproof pipe 9.

In this embodiment, the number is suitable, so that the elastic dust-proof tube 9 can be fully opened, and the operation complexity is relatively moderate, namely, 4-8L-shaped plates 10 for pre-flaring need to be completely opened and then clamped on the ring c for pre-flaring, and finally, the elastic dust-proof tube 9 needs to be completely pushed down from the ring c for pre-flaring, at this time, the elastic dust-proof tube 9 is "snapped" and clamps the connecting tube 1 smoothly.

Finally, the advantages of the connector in this embodiment are summarized below.

The first way of fixing the connecting pipe 1 on the stainless steel pipe a is to weld the limit rod 3, which is relatively simple compared with pressing out an annular groove or a thread section on the stainless steel pipe a, and the stainless steel pipe a is safer without risk of deformation and fracture.

And the second limit rod 3 is welded and spliced with the radial hole 2, so that the connecting pipe 1 is completely fixed and welded and is connected as long as the limit rod welding block 7 does not fall, and the mounting stability of the connecting piece is ensured to be better.

And thirdly, the annular protruding block 8 is matched with the annular groove 4, so that the relatively thicker sealing ring 5 can be stably installed, and the sufficient sealing and leakage-proof performance between the sealing ring and the stainless steel pipe a is ensured.

Fourth, both ends of connecting pipe 1 all are equipped with disposable, disposable elasticity dustproof pipe 9 for dust dirt b is difficult to inwards enter into connecting pipe 1's mouth of pipe department, therefore connecting pipe 1 is difficult for being blocked by debris, stainless steel pipe a advances grey risk of polluting also reduces by a wide margin.

Fifthly, the elastic dustproof pipe 9 is provided with an L-shaped plate 10 for pre-flaring, which is matched with the circular ring c for pre-flaring, so that the elastic dustproof pipe 9 does not clamp the stainless steel pipe a greatly when the connecting pipe 1 is sleeved with the stainless steel pipe a, and the elastic dustproof pipe is not easy to twist and easy to insert.

Sixth, the pre-flaring ring c can be used multiple times throughout the water supply pipe.

Seventh, the elastic dustproof pipe 9 is adhered to the connecting pipe 1, and when the latter needs to be disassembled, the former is convenient to shear and disassemble.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various modifications may be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model. These are all non-inventive modifications which are intended to be protected by the patent laws within the scope of the appended claims.

Claims

1. The utility model provides a house is with thin wall pipeline connecting piece, structure includes connecting pipe (1), its characterized in that: the stainless steel pipe connecting device is characterized by further comprising a radial hole (2) arranged on the connecting pipe (1), a limiting rod (3) which is inserted and arranged on the radial hole (2) and used for welding the stainless steel pipe (a), an annular groove (4) arranged on the inner annular surface of the connecting pipe (1), and a sealing ring (5) which is arranged on the annular groove (4) and used for clamping the stainless steel pipe (a), wherein the sealing ring (5) is closer to the pipe orifice position of the stainless steel pipe (a) than the limiting rod (3).

2. A thin-walled tubing connector for a house as claimed in claim 1, wherein: the connecting pipe (1) is also provided with an operation hole (6) communicated with the radial hole (2), and a limit rod welding block (7) is arranged in the operation hole (6).

3. A thin-walled tubing connector for a house as claimed in claim 2, wherein: the operation hole (6) and the radial hole (2) are square in shape, and the side length of the operation hole (6) is smaller than that of the radial hole (2).

4. A thin-walled tubing connector for a house as claimed in claim 1, wherein: the outer ring surface of the connecting pipe (1) is also provided with an annular protruding block (8), and the radial dimension of the cross section of the annular groove (4) is larger than the wall thickness of the connecting pipe (1).

5. A thin-walled tubing connector for a house as claimed in claim 1, wherein: the cross section of the annular groove (4) is a major arc bow, and the cross section of the sealing ring (5) is circular.

6. A thin-walled tubing connector for a house as claimed in claim 1, wherein: the number of the annular grooves (4) at one end position on the connecting pipe (1) is 2.

7. A thin-walled tubing connector for a house as claimed in claim 1, wherein: the number of the limit rods (3) at one end position on the connecting pipe (1) is 2-4.

8. A thin-walled tubing connector for a house as claimed in claim 1, wherein: the connecting pipe (1) is also provided with an elastic dustproof pipe (9) for sleeving the stainless steel pipe (a).

9. A thin-walled tubing connector for a house as claimed in claim 8, wherein: an L-shaped plate (10) for pre-flaring is arranged on the outer ring surface of the elastic dustproof pipe (9).

10. A thin-walled tubing connector for a house as claimed in claim 9, wherein: 4-8L-shaped plates (10) for pre-flaring are arranged on the elastic dustproof pipe (9).