CN212203524U

CN212203524U - Special metal corrugated connecting pipe for civil houses

Info

Publication number: CN212203524U
Application number: CN202020490179.4U
Authority: CN
Inventors: 王德明
Original assignee: 王德明
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-12-22
Anticipated expiration: 2030-04-07

Abstract

The utility model provides a special metal corrugated connecting pipe of civilian house belongs to civilian connecting pipe technical field. The leakage-proof device solves the problem that the joint of the existing metal pipe fitting special for the civil house and the pipe fitting is easy to leak. This special corrugated metal connecting pipe in private house, including the corrugated metal pipe body, the both ends of corrugated metal pipe body have the connecting pipe body that same axial set up respectively, and the tip of two connecting pipe bodies is provided with the coupling that is used for pegging graft with the raceway respectively axially, is provided with the assembly quality that enables the coupling and the firm grafting of connecting pipe body axial that corresponds between coupling and the connecting pipe body that corresponds. The utility model has reasonable and simple structure design, compact axial relative connection and difficult radial displacement; the metal corrugated pipe body is arranged to adapt to the axial influence of sinking extrusion or inclined stretching of a building and can bear the external force action of 5 mpa; the connecting part of the pipe fitting is not easy to have the conditions of extrusion dislocation leakage, stretching crack leakage and the like, and has high structural stability and long service life.

Description

Special metal corrugated connecting pipe for civil houses

Technical Field

The utility model belongs to the technical field of civilian connecting pipe, a special metal corrugated connecting pipe in civilian room is related to.

Background

The metal pipeline is widely applied to water supply, heating and other systems of high-rise and super high-rise buildings at present. The metal pipeline is generally formed by oppositely connecting pipe fittings and pipe joints. The pipe fitting and the pipe joint can be connected in a plugging mode or in a spiral mode, but in order to prevent explosion and fire caused by indirect contact electric shock and ground fault, equipotential connection is carried out at conductive parts such as metal pipelines of buildings. For example, metal pipeline valves, water meters, joints and the like need to be bridged by equipotential bridging hoops due to conductive isolation.

For example, Chinese patent numbers are: "201120154773.7" the equipotential bridging clamp of building metal pipeline, this clamp is mainly used for bridging connection, and its concrete structure is: the galvanized flat steel is provided with two symmetrical semicircular parts with bent edges at two ends, each bent edge part is provided with a corresponding bolt hole and a fixing bolt which is provided with a spring gasket and penetrates through the bolt hole, the galvanized flat steel at the semicircular part is provided with a screw hole, and a set screw is screwed in the screw hole.

The plug connection, the screw connection and the cross-over connection belong to the traditional connection modes, in the traditional connection structure, when the metal pipelines are butted by the pipe fittings, the connection part of the pipe fittings is easy to radially shift, and the relative connection between the pipe fittings is not tight enough; when long-time use, the building is when being influenced by the building dead weight and subsides or slope, and the relative junction between pipe fitting and the pipe fitting is in when being influenced by the building and subsides extrusion or slope tensile, and plug connection, spiral connection and the cross-over connection between pipe fitting and the pipe fitting extrude the dislocation to leak relatively easily and stretch out the fracture and leak, and the sealed effect of the junction of pipe fitting and pipe fitting can receive the influence, and the easy seepage in junction of pipe fitting appears supplying water incident easily.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, with the pipe connection among the metal pipeline closely be difficult for radially shifting, be difficult for receiving the building to sink the extrusion or the tensile pipe connection pipe of private house that connects the seepage appears in the pipe fitting that makes among the metal pipeline of slope.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a special corrugated metal connecting pipe in civilian house, includes corrugated metal pipe body, corrugated metal pipe body's both ends have the connecting tube body of same axial setting respectively, the tip of two connecting tube bodies is provided with the coupling that is used for with the raceway grafting respectively axially, its characterized in that, coupling and the connecting tube body that corresponds between be provided with and enable the coupling and the firm assembly quality of pegging graft of connecting tube body axial that corresponds.

This special metal corrugated connection pipe in private house mainly is provided with the metal corrugated pipe body in order to adapt to because the building sinks the extrusion or the tensile axial influence of slope, with the difficult condition such as extrusion dislocation leakage, tensile fracture leakage that appears in the pipe fitting junction among the metal pipeline, be provided with assembly quality between coupling and the connecting tube body that corresponds, make coupling and the connecting tube body axial that corresponds firm grafting through assembly quality, connection structure is stable, connects closely difficult radial aversion, long service life.

In foretell special corrugated metal connecting pipe in civilian house, assembly quality include that the tip of coupling has the joint groove that is annular evagination deformation by the coupling body, the joint inslot be provided with size, shape and joint groove assorted sealing ring, when the relative axial of coupling and the connecting tube body that corresponds is pegged graft, this joint groove compression deformation makes sealing ring deformation sealed support and forms sealedly between joint groove, connecting tube body. The deformation of the clamping groove enables the sealing ring to be matched with the axial plug-in a relatively radial sealing manner, the connection is stable, the separation is not easy, and the service life is long.

In the metal corrugated connecting pipe special for the civil house, the axial cross section of the clamping groove of the pipe joint is in a C-shaped shape, and the two ends of the groove wall of the clamping groove and the pipe joint are in arc transition. The purpose that sets up like this makes things convenient for joint groove and the relative axial grafting screens of snap ring, convenient assembly.

In foretell special corrugated metal connecting pipe in civilian house, the coupling include the return bend body, the both ends of return bend body have respectively with the assembly body of return bend body integral type structure, the assembly body be toper flaring form, assembly body and return bend body between have the toper portion of accepting assembly body, return bend body, the joint groove set up on the assembly body, when the assembly body axial grafting of connecting tube body and coupling is tight, and the grafting end of this connecting tube body is by leaning on of the toper portion of coupling to form throat grafting portion. The purpose that sets up like this is when making connecting tube body and coupling connect in the axial, and the grafting end of this connecting tube body leans on sealedly by the toper portion assembled connection of coupling, and connection structure is stable, convenient assembling.

In the special metal corrugated connecting pipe for the civil house, the bent pipe body, the assembling pipe body, the conical part and the groove wall equal wall thickness of the clamping groove on the assembling pipe body are arranged. The purpose of the arrangement is to ensure that the pipe joint has high mechanical strength, strong compression resistance and tensile strength, stable connection and long service life.

In the metal corrugated connecting pipe special for the civil house, the diameter of the metal corrugated pipe body is larger than that of the connecting pipe body. The range of the diameters of the metal corrugated pipe body is as follows: 30 mm-280 mm, the diameter range of the connecting pipe body is as follows: 20 mm-210 mm.

In the metal corrugated connecting pipe special for the civil house, the metal corrugated pipe body is corrugated along the length direction of the metal corrugated pipe body so as to adapt to the influence of the axial size of a pipe joint connecting a water pipe pipeline due to the extrusion or stretching of an external force, the corrugation of the metal corrugated pipe body comprises wave crest rings and wave trough rings, and the wave crest rings and the wave trough rings are alternately distributed in parallel in the axial direction. The axial deformation range of the axial stretching or axial compression of the wave crest ring and the wave trough ring is large, the wave crest ring and the wave trough ring are distributed in parallel in an axial alternating mode, the axial stretching or axial compression of the wave crest ring and the wave trough ring can be enabled to be even in stress, and the service life is long.

In the special metal corrugated connecting pipe for the civil house, the corrugated wave crest ring and the corrugated wave trough ring of the metal corrugated pipe body are in C-shaped axial cross sections, and the wave crest ring and the corrugated wave trough ring are reversely arranged and are in tangent distribution. The purpose that sets up like this makes crest ring and trough ring tensile, compression deformation resistance can the reinforce, and during crest ring and trough ring tensile or compression deformation, be difficult for appearing mechanical fatigue, long service life.

In the special corrugated metal connecting pipe for civil houses, the two ends of the corrugated metal pipe body are respectively provided with a radial necking part, and the two ends of the corrugated metal pipe body are respectively connected with the two connecting pipe bodies into an integral structure through the radial necking parts. The metal corrugated pipe body, the two radial necking parts and the two connecting pipe bodies are connected into a whole, and the metal corrugated pipe body is high in mechanical strength and strong in compression resistance and tensile resistance.

In the metal corrugated connecting pipe special for the civil house, the two connecting pipe bodies, the two radial necking parts and the wave crest ring and the wave trough ring in the metal corrugated pipe body are arranged in the same wall thickness. The wall thickness ranges of the two connecting pipe bodies, the two radial necking parts and the wave crest ring and the wave trough ring in the metal corrugated pipe body are 5 mm-5 mm.

Compared with the prior art, this special corrugated metal connecting pipe in civilian house's advantage does: the structure design is reasonable and simple, when the assembling device is arranged to be connected with the pipe fittings in the metal pipeline, the axial direction is tightly connected relatively, and the radial displacement is not easy to occur; the metal corrugated pipe body is arranged to adapt to the axial influence of sinking extrusion or inclined stretching of a building and can bear the external force action of 5 mpa; the junction of pipe fitting is difficult for appearing the extrusion dislocation and leaking, tensile fracture leakage scheduling condition, and structural stability is high, and long service life is applicable to 360 degrees angle installation and uses.

Drawings

Fig. 1 is a schematic perspective view of an explosion of a metal corrugated connecting pipe dedicated for the civil house.

Fig. 2 is a schematic sectional structure view of the metal corrugated connecting pipe special for the civil house.

In the figure, 1, a metal corrugated pipe body; 2. connecting the pipe body; 3. a pipe joint; 4. a clamping groove; 5. a seal ring; 6. a bent pipe body; 7. assembling a pipe body; 8. a tapered portion; 9. a wave crest ring; 10. a trough ring; 11. a radial throat.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the corrugated metal connecting pipe for private houses mainly comprises a corrugated metal pipe 1, wherein two ends of the corrugated metal pipe 1 are respectively provided with a connecting pipe 2 arranged in the same axial direction, the end parts of the two connecting pipes 2 are respectively and axially provided with a pipe joint 3 for being connected with a water pipe in an inserting manner, and an assembling device capable of enabling the pipe joint 3 and the corresponding connecting pipe 2 to be stably connected in the axial direction is arranged between the pipe joint 3 and the corresponding connecting pipe 2.

In actual manufacturing, the specific implementation mode of the assembling device is as follows: the end that assembly quality includes coupling 3 has and is the joint groove 4 of annular evagination deformation by coupling 3 body, joint groove 4 in be provided with size, shape and 4 assorted sealing rings in joint groove 5, when coupling 3 and the relative axial of the connecting tube body 2 that corresponds are pegged graft, 4 compression deformation in this joint groove makes 5 deformation of sealing rings support and form sealedly between joint groove 4, connecting tube body 2. Specifically speaking: the axial cross section of the clamping groove 4 of the pipe joint 3 is C-shaped, and the two ends of the groove wall of the clamping groove 4 and the pipe joint 3 are in arc transition.

In actual manufacturing, the specific structure of the pipe joint 3 is as follows: mainly constitute by return bend body 6, the both ends of return bend body 6 have respectively with the assembly body 7 of the 6 integral type structures of return bend body, assembly body 7 is the toper flaring form, assembly body 7 and return bend body 6 between have and accept assembly body 7, the toper portion 8 of return bend body 6, joint groove 4 sets up on assembly body 7, when 7 axial grafting of the assembly body of connecting body 2 and coupling 3 were tight, and this connecting body 2's grafting end is by the supporting formation throat grafting portion that leans on of the toper portion 8 of coupling 3. Specifically speaking: the equal wall thickness of the groove walls of the elbow body 6, the assembly pipe body 7, the conical part 8 and the clamping groove 4 on the assembly pipe body 7.

In actual manufacturing, the diameter of the corrugated metal pipe 1 is larger than that of the connecting pipe 2; the corrugated metal pipe body 1 is corrugated along the length direction of the corrugated metal pipe body 1 so as to adapt to the influence of the extrusion or stretching of external force on the axial size of the pipe joint 3 connected with the water pipe pipeline, the corrugated metal pipe body 1 comprises wave crest rings 9 and wave trough rings 10, and the wave crest rings 9 and the wave trough rings 10 are axially distributed in parallel and alternately; specifically speaking: the corrugated wave crest ring 9 and the wave trough ring 10 of the metal corrugated pipe body 1 are both C-shaped in axial cross section, the wave crest ring 9 and the wave trough ring 10 are reversely arranged and are tangentially distributed; the two ends of the metal corrugated pipe body 1 are respectively provided with a radial necking part 11, and the two ends of the metal corrugated pipe body 1 are respectively connected with the two connecting pipe bodies 2 into an integral structure through the radial necking parts 11.

In actual manufacturing, the two connecting pipe bodies 2, the two radial throats 11, and the crest rings 9 and the trough rings 10 in the corrugated metal pipe body 1 are provided with uniform wall thicknesses.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the metal bellows body 1 is used more herein; a connecting pipe body 2; a pipe joint 3; a clamping groove 4; a seal ring 5; a bent pipe body 6; assembling the pipe body 7; a tapered portion 8; a wave crest ring 9; a valley ring 10; radial constriction 11, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a special corrugated metal connecting pipe in civilian room, includes corrugated metal pipe body (1), the both ends of corrugated metal pipe body (1) have connecting pipe body (2) that same axial set up respectively, the tip of two connecting pipe bodies (2) is provided with respectively the axial and is used for coupling (3) of pegging graft with the raceway, its characterized in that, coupling (3) and corresponding connecting pipe body (2) between be provided with and enable coupling (3) and the firm assembly quality of pegging graft of connecting pipe body (2) axial that corresponds.

2. The metal corrugated connecting pipe special for civil houses as claimed in claim 1, wherein the assembling device comprises a clamping groove (4) which is formed by the body of the pipe joint (3) and is deformed in an annular convex manner at the end of the pipe joint (3), a sealing ring (5) which is matched in size and shape with the clamping groove (4) is arranged in the clamping groove (4), and when the pipe joint (3) and the corresponding connecting pipe body (2) are axially inserted relatively, the clamping groove (4) is compressed and deformed to enable the sealing ring (5) to be deformed and tightly abutted against the clamping groove (4) and the connecting pipe body (2) to form sealing.

3. The metal corrugated connecting pipe special for civil houses as claimed in claim 2, wherein the axial cross section of the clamping groove (4) of the pipe joint (3) is C-shaped, and the two ends of the groove wall of the clamping groove (4) and the pipe joint (3) are in arc transition.

4. The private house metal corrugated connecting pipe according to claim 3, wherein the pipe joint (3) comprises a pipe bending body (6), two ends of the pipe bending body (6) are respectively provided with an assembling pipe body (7) which is integrated with the pipe bending body (6), the assembling pipe body (7) is in a tapered flaring shape, a tapered portion (8) for receiving the assembling pipe body (7) and the pipe bending body (6) is arranged between the assembling pipe body (7) and the pipe bending body (6), the clamping groove (4) is arranged on the assembling pipe body (7), and when the assembling pipe body (7) of the connecting pipe body (2) and the pipe joint (3) are axially and tightly inserted, the inserting end of the connecting pipe body (2) is abutted against the tapered portion (8) of the pipe joint (3) to form a reduced inserting portion.

5. The metal corrugated connecting pipe special for civil houses as claimed in claim 4, wherein the wall thickness of the elbow pipe body (6), the assembling pipe body (7), the tapered part (8) and the clamping groove (4) on the assembling pipe body (7) is equal.

6. The metal corrugated connecting pipe special for civil houses as claimed in claim 5, wherein the diameter of the metal corrugated pipe body (1) is larger than that of the connecting pipe body (2).

7. The metal corrugated connecting pipe special for the civil house as claimed in claim 6, wherein the metal corrugated pipe body (1) is corrugated along the length direction of the metal corrugated pipe body (1) so as to adapt to the influence of the axial size of the water pipe pipeline connected with the pipe joint (3) due to the extrusion or stretching of an external force, the corrugation of the metal corrugated pipe body (1) comprises wave crest rings (9) and wave trough rings (10), and the wave crest rings (9) and the wave trough rings (10) are axially arranged in parallel and alternately.

8. The metal corrugated connecting pipe special for civil houses as claimed in claim 7, wherein the corrugated wave crest ring (9) and wave trough ring (10) of the metal corrugated pipe body (1) are both C-shaped in axial cross section, and the wave crest ring (9) and the wave trough ring (10) are arranged in opposite directions and are both tangentially distributed.

9. The corrugated metal connecting pipe for civil houses as claimed in claim 8, wherein the corrugated metal pipe (1) has radial necking parts (11) at two ends thereof, and the corrugated metal pipe (1) is connected to the connecting pipe (2) via the radial necking parts (11) to form an integral structure.

10. The corrugated metal connecting pipe for civil houses as claimed in claim 9, wherein the two connecting pipe bodies (2), the two radial necking parts (11) and the wave crest ring (9) and the wave trough ring (10) in the corrugated metal pipe body (1) are provided with equal wall thickness.