CN213929871U

CN213929871U - Sliding-tight type aluminum-plastic composite pipe fitting

Info

Publication number: CN213929871U
Application number: CN202020839503.9U
Authority: CN
Inventors: 郭露露; 徐冶锋; 程晓军
Original assignee: Jiangsu Langbo Pipe Fittings Manufacturing Co ltd
Current assignee: Jiangsu Langbo Pipe Fittings Manufacturing Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-08-10
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a smooth compact form plastic-aluminum composite pipe fitting, the connecting pipe comprises a connecting pipe, the fixed pipe of toper, the rotatory smooth tight connecting piece of toper and fixed outer connecting piece, the connecting pipe is connected with the fixed pipe of toper, the rotatory smooth tight connecting piece of toper and the fixed pipe threaded connection of toper, fixed outer connecting piece cover is located the fixed pipe of toper and the outside of the rotatory smooth tight connecting piece threaded connection department of toper, fixed outer connecting piece and the rotatory smooth tight connecting piece threaded connection of toper, the rotatory smooth tight connecting piece of toper includes toper connecting pipe and internal fixation screw thread post, toper connecting pipe threaded connection locates inside the toper fixed pipe, toper connecting pipe is connected with the internal fixation screw thread post, internal fixation screw thread post threaded connection locates in the fixed outer connecting piece. The utility model belongs to the technical field of the pipe connection, specifically be a smooth compact form aluminium-plastic composite pipe fitting of problem that has solved connected mode among the prior art to the physical damage of aluminium-plastic composite pipe, influences the pipe connection life-span, and the junction atress is inhomogeneous, appears the pipeline easily and leaks.

Description

Sliding-tight type aluminum-plastic composite pipe fitting

Technical Field

The utility model belongs to the technical field of the pipe connection, especially, relate to a smooth compact form plastic-aluminum composite pipe fitting.

Background

The aluminum-plastic composite pipe is a novel pipe which is popular in recent ten years, has the advantages of a metal pipe and a plastic pipe, and is rapidly developed in China. The aluminum-plastic composite pipe has better heat preservation performance, the inner wall and the outer wall are not easy to corrode, and the inner wall is smooth and has small resistance to fluid; and the installation and construction are convenient because the flexible plate can be bent at will. As a water supply pipeline, the aluminum-plastic composite pipe has enough strength. The connection mode in the prior art physically damages the aluminum-plastic composite pipe, influences the pipeline connection life, and the junction atress is inhomogeneous, appears the pipeline easily and leaks.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a smooth compact form aluminium-plastic composite pipe fitting has solved among the prior art connected mode and to the physical damage of aluminium-plastic composite pipe, influences the pipe connection life-span, and the junction atress is inhomogeneous, appears the problem of pipeline leakage easily.

The utility model adopts the technical scheme as follows: a sliding tight type aluminum-plastic composite pipe fitting comprises a connecting pipe, a conical fixed pipe, a conical rotary sliding tight connecting piece and a fixed outer connecting piece, wherein the connecting pipe is connected with the conical fixed pipe, the conical rotary sliding tight connecting piece is in threaded connection with the conical fixed pipe, the fixed outer connecting piece is sleeved outside the threaded connection position of the conical fixed pipe and the conical rotary sliding tight connecting piece, the fixed outer connecting piece is in threaded connection with the conical rotary sliding tight connecting piece, the conical rotary sliding tight connecting piece comprises a conical connecting pipe and an inner fixed threaded column, the conical connecting pipe is in threaded connection with the inside of the conical fixed pipe, the conical connecting pipe is connected with the inner fixed threaded column, the inner fixed threaded column is in threaded connection with the fixed outer connecting piece, the inner fixed threaded column is provided with a through hole, and a gasket placing groove is arranged between the conical connecting pipe and the inner fixed threaded, the outside cover of packing ring standing groove is equipped with seal ring, the toper fixed tube is close to sealed packing ring mouth of pipe department and is equipped with the protruding external fixation bench that forms of annular, the external fixation bench be equipped with seal ring assorted packing ring seal hole, the packing ring seal hole is concentric circle setting with the toper fixed tube mouth of pipe.

Further, be connected with the elastic component between the fixed pipe of connecting pipe and toper, the fixed pipe of elastic component elastic connection connecting pipe and toper plays the cushioning effect when the rotatory smooth tight connecting piece screw of toper precession taper connecting pipe, plays the effect of the more easy smooth tight and roll-off, labour saving and time saving.

Further, the connecting pipe is equipped with outer protective tube with the fixed outside cover of pipe of toper, outer protective tube one end is connected with outer fixed terrace, and outer protective tube plays the guard action to the fixed pipe of connecting pipe and toper, realizes that the connecting pipe is fit for different service environment with the fixed pipe of toper, increase of service life.

Furthermore, the outer protective pipe is close to one end cover of the outer fixed step and is provided with a fixed sleeving part, the fixed sleeving part is in threaded connection with the fixed outer connecting part, the stable connection of the outer protective pipe and the fixed outer connecting part is realized, the threaded connection of the fixed outer connecting part and the inner fixed threaded column is matched, the double fixation of the fixed outer connecting part on the connecting part of the conical fixed pipe and the conical connecting pipe is realized, the structure is stable, the sealing effect is good, and the leakage is avoided.

Further, fixed external connection spare includes fixed union coupling spare and screw thread post fixed orifices, fixed union coupling spare is adjacent setting with screw thread post fixed orifices, fixed union coupling spare cover locate fixed union coupling spare outside and with fixed union coupling spare threaded connection, screw thread fixed orifices cover locate fixed screw thread post outside and with fixed screw thread post threaded connection, fixed external connection spare realizes the firm connection of the fixed pipe of toper and the rotatory sliding tight connecting piece of toper, and the pipe connection is longe-lived.

After the structure is adopted, the utility model discloses beneficial effect as follows: the utility model relates to a smooth compact form aluminium-plastic composite pipe fitting, toper rotatory smooth compact connecting piece and the threaded connection of toper fixed pipe area realize the smooth compact form firm connection between toper rotatory smooth compact connection and the toper fixed pipe, cooperate the elastic component to realize that the junction atress is even, the junction cooperates seal ring simultaneously, reach the effect that prolongs the pipe fitting connection life-span, and seal effectually, avoid leaking; fixed cup joint piece and fixed outer connecting piece threaded connection realize outer protective tube and fixed outer connecting piece's stable connection, and the threaded connection of fixed outer connecting piece of cooperation and interior fixed thread post realizes fixed outer connecting piece to the fixed pipe of toper and the dual fixed of taper joint pipe junction, stable in structure, and is sealed effectual, avoids leaking.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is an assembly view of a sliding-tight aluminum-plastic composite pipe fitting of the present invention;

FIG. 2 is a schematic view of the overall structure of a sliding-tight aluminum-plastic composite pipe of the present invention;

FIG. 3 is a schematic view of a tapered fixed pipe structure of a sliding-tight aluminum-plastic composite pipe of the present invention;

FIG. 4 is a schematic structural view of a tapered rotary sliding-fastening connector for a sliding-fastening aluminum-plastic composite pipe of the present invention;

fig. 5 is the structure diagram of the fixed external connection member of the sliding-tight aluminum-plastic composite pipe fitting of the present invention.

In the drawings: 1. the connecting pipe, 2, the fixed pipe of toper, 3, the rotatory smooth tight connecting piece of toper, 4, fixed external connecting piece, 5, the conical connection pipe, 6, the internal fixation screw thread post, 7, the packing ring standing groove, 8, seal ring, 9, the external fixation bench, 10, the sealed hole of packing ring, 11, elastic component, 12, outer protective tube, 13, fixed cup joint piece, 14, fixed pipe connecting piece, 15, screw thread post fixed orifices, 16, through-hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-5, a sliding-tight aluminum-plastic composite pipe fitting comprises a connecting pipe 1, a conical fixed pipe 2, a conical rotary sliding-tight connector 3 and a fixed external connector 4, wherein the connecting pipe 1 is connected with the conical fixed pipe 2, the conical rotary sliding-tight connector 3 is in threaded connection with the conical fixed pipe 2, the fixed external connector 4 is sleeved outside the threaded connection position of the conical fixed pipe 2 and the conical rotary sliding-tight connector 3, the fixed external connector 4 is in threaded connection with the conical rotary sliding-tight connector 3, the conical rotary sliding-tight connector 3 comprises a conical connecting pipe 5 and an internal fixed threaded column 6, the conical connecting pipe 5 is in threaded connection with the conical fixed pipe 2, the conical connecting pipe 5 is connected with the internal fixed threaded column 6, the internal fixed threaded column 6 is in threaded connection with the fixed external connector 4, the internal fixed threaded column 6 is provided with a through hole 16, be equipped with packing ring standing groove 7 between conical connection pipe 5 and the internal fixation screw thread post 6, the outside cover of packing ring standing groove 7 is equipped with seal ring 8, the fixed pipe 2 of toper is close to 8 mouths of pipe departments of seal ring and is equipped with annular arch formation external fixation terrace 9, external fixation terrace 9 is equipped with and seals the sealed hole 10 of packing ring 8 assorted, the sealed hole 10 of packing ring is the concentric circles setting with the 2 mouths of pipe of the fixed pipe of toper.

The elastic part 11 is connected between the connecting pipe 1 and the conical fixed pipe 2, the elastic part 11 is elastically connected with the connecting pipe 1 and the conical fixed pipe 2, a buffering effect is achieved when the conical rotary slide-tight connecting piece 3 is screwed into the conical connecting pipe 5 through threads, the effects of easier slide-tight and slide-out are achieved, and time and labor are saved; an outer protective pipe 12 is sleeved outside the connecting pipe 1 and the conical fixed pipe 2, one end of the outer protective pipe 12 is connected with an outer fixed step 9, the outer protective pipe 12 plays a protective role on the connecting pipe 1 and the conical fixed pipe 2, the connecting pipe 1 and the conical fixed pipe 2 are suitable for different use environments, and the service life is prolonged; one end of the outer protective pipe 12, which is close to the outer fixing step 9, is sleeved with a fixing sleeve connecting piece 13, the fixing sleeve connecting piece 13 is in threaded connection with the fixing outer connecting piece 4, so that the stable connection between the outer protective pipe 12 and the fixing outer connecting piece 4 is realized, and the threaded connection between the fixing outer connecting piece 4 and the inner fixing threaded column 6 is matched, so that the double fixation of the fixing outer connecting piece 4 to the connection part of the conical fixing pipe 2 and the conical connecting pipe 5 is realized, the structure is stable, the sealing effect is good, and the leakage is avoided; fixed external connection spare 4 is including fixed union coupling spare 14 and screw thread post fixed orifices 15, fixed union coupling spare 14 is adjacent setting with screw thread post fixed orifices 15, fixed union coupling spare 14 cover is located fixed 13 outsides of cup jointing and with fixed cover union piece 13 threaded connection, the screw thread fixed orifices cover locate fixed screw thread post outside and with fixed screw thread post threaded connection, fixed external connection spare 4 realizes the firm connection of the fixed pipe 2 of toper and the rotatory tight connecting piece 3 of toper, and the pipe connection is longe-lived.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a compound pipe fitting of smooth compact form aluminium-plastic which characterized in that: the connecting pipe is connected with the conical fixed pipe, the conical rotary sliding and fastening connecting piece is in threaded connection with the conical fixed pipe, the fixed outer connecting piece is sleeved outside the threaded connection part of the conical fixed pipe and the conical rotary sliding and fastening connecting piece, the fixed outer connecting piece is in threaded connection with the conical rotary sliding and fastening connecting piece, the conical rotary sliding and fastening connecting piece comprises a conical connecting pipe and an inner fixed threaded column, the conical connecting pipe is in threaded connection with the inside of the conical fixed pipe, the conical connecting pipe is connected with the inner fixed threaded column, the inner fixed threaded column is in threaded connection with the fixed outer connecting piece, the inner fixed threaded column is provided with a through hole, a gasket placing groove is arranged between the conical connecting pipe and the inner fixed threaded column, and a sealing gasket is sleeved outside the gasket placing groove, the conical fixing pipe is provided with an annular bulge near the pipe orifice of the sealing gasket to form an outer fixing step, the outer fixing step is provided with a gasket sealing hole matched with the sealing gasket, and the gasket sealing hole and the pipe orifice of the conical fixing pipe are arranged in a concentric circle.

2. The sliding-tight aluminum-plastic composite pipe fitting as claimed in claim 1, wherein: an elastic part is connected between the connecting pipe and the conical fixing pipe.

3. The sliding-tight aluminum-plastic composite pipe fitting as claimed in claim 1, wherein: the connecting pipe is equipped with outer protective tube with the outside cover of toper fixed pipe, outer protective tube one end is connected with outer fixed terrace.

4. The sliding-tight aluminum-plastic composite pipe fitting as claimed in claim 3, wherein: one end of the outer protective pipe, which is close to the outer fixing step, is sleeved with a fixed sleeving piece, and the fixed sleeving piece is in threaded connection with the fixed outer connecting piece.

5. The sliding-tight aluminum-plastic composite pipe fitting as claimed in claim 1, wherein: fixed outer connecting piece includes fixed union coupling spare and screw thread post fixed orifices, fixed union coupling spare is adjacent setting with screw thread post fixed orifices, fixed union coupling spare cover is located fixed union coupling spare outside and with fixed union coupling spare threaded connection, screw thread post fixed orifices cover is located fixed screw thread post outside and with fixed screw thread post threaded connection.