CN2285409Y - Pipe joint device - Google Patents

Abstract

The utility model relates to a pipe joint device, which is mainly used for jointing an indoor ventilating duct. The utility model is composed of two pipe joints with an 'h'-shaped axial direction single side cross section and with a double sleeve pipe jointing pipe on one end and a single pipe jointing pipe on the other end. The double sleeve pipe jointing pipe is used for jointing a pipe wall of a pipe to be jointed. The single pipe jointing pipe of one pipe joint is inserted into an inner pipe of the double sleeve pipe jointing pipe of the other pipe joint, and the single pipe jointing pipe of the other pipe joint is inserted into an outer pipe of the double sleeve pipe jointing pipe of the pipe joint. The utility model has the advantages of less component, simple structure, light weight, easy installation, simple installing process, beautiful appearance, space saving, low cost, etc.

Description

Pipeline butt joint coupling arrangement

The utility model relates to a kind of pipeline butt joint coupling arrangement, particularly relates to the butt joint coupling arrangement that a kind of special-shaped section tube coupling that is assembled into by wad is assembled into ventilation duct.

Generally all be provided with ventilation duct in the buildings such as megastore, hotel, office building.Because ventilation duct uses qualitative requirement and in order to alleviate the heavy burden of building wall, and takies the indoor useful space in order to reduce, adopt the composite glass fiber plate pipeline of square type section usually.This ventilation duct is normally by the certain specification size and have the composite glass fiber plate of certain intensity to be assembled into the tube coupling of the square type section of certain-length, in the ventilation duct erecting bed one by one tube coupling butt joint is assembled into ventilation duct.The butt joint assembling of tube coupling is not carried out on ground, but aerial work.Pipeline butt joint connection is the ventilation duct most important parts by the structure of device, not only be directly connected to the pipeline butt joint and connect operation technique, and be related to the weight of pipeline, the interior space take the outward appearance of pipeline integral body etc.The butt joint of pipeline shown in the accompanying drawing 1 coupling arrangement is to use very wide ventilation duct butt joint coupling arrangement at present.It strengthens fixedly by two special-shaped flanges and one, and pipe box constitutes.Reinforcement fixedly pipe box is positioned at connected two ventilation tube coupling joints, and the two ends of pipe box are corresponding with two flange cylindrical shell ends outside being positioned at the ventilation tube coupling, and is fixed together by rivet.Flange is fixedly also fixed by rivet at the direct contacted position of pipe box with reinforcement.Two flange interfaces are fixing by the spiral shell inspection.Ventilation duct is to after connecting, and fills heat-insulation material and seal in two flange circumferential groove.This butt joint coupling arrangement can realize that special-shaped section ventilation duct field joint installs, for contribution has been made in the development of the on-the-spot installation Technology of special-shaped section ventilation duct.The producer according to this device claims that this device is a kind of patented product.But, just be not difficult to find many not satisfied places as long as this ventilation duct butt joint coupling arrangement is analyzed a little.This also is the place of the deficiency that exists in actual applications of this device.These deficiencies are, the part of device is many, complex structure, and the mounting process complexity, aerial at the scene narrow space operation is installed very difficult.In addition, the special-shaped flange of being made by galvanized steel plain sheet, to strengthen fixed tube cover volume big, and weight is big, and ventilation duct will be provided with support or suspension bracket usually especially and prop up and hang.For mounting bracket or suspension bracket are being reserved the installing space more than the 100mm at least usually again above or below the pipeline.This has caused a large amount of indoor useful spaces occupied again.

The purpose of this utility model is to avoid the prior art deficiency, and provide a kind of part few, simple in structure, be easy to install, save the pipeline butt joint coupling arrangement in space.

The purpose of this utility model is achieved like this:

Pipeline butt joint coupling arrangement is that two sleeve pipes are taken over by two one ends, the other end is that single tube is taken over, axial one-sided cross section is that the pipe joint of " h " type constitutes, two sleeve end pipe clamps of two pipe joints interlock follows connected tube coupling wall, the single tube of one of them pipe joint is taken in the interior pipe of two sleeve pipes adapters of inserting another pipe joint, and the single tube of another pipe joint is taken over outside the outer tube of the two sleeve pipes adapters that are coated at this pipe joint, and two pipe joints form bell and spigot frames.

In order to realize the purpose of this utility model better, the utility model has also been taked following technical measures:

The port design of the adapter assembling wall of pipe joint has the installation conical surface.At least in taking over, two sleeve pipes manage the outer tube wall entry end design and installation conical surface, so that connect with the tube coupling tube wall of manufacturing by the composite glass fiber plate.

The single tube connecting pipe length of two pipe joints equates substantially with two sleeve pipe connecting pipe lengths.

Design has takes over fixedly all-in-one-piece fastening piece of wall and connected tube coupling tube wall with pipe joint.Fastening piece is preferably rivet.

Accompanying drawing 1 is the structural representation of the flange-type pipeline butt joint coupling arrangement of prior art.

Accompanying drawing 2 is the novel structural representations of this reality.

Provide this pass with a novel embodiment below in conjunction with description of drawings, this practicality newly is described in further detail by embodiment.

Material is the butt joint coupling arrangement of the square type section ventilation duct of composite glass fiber, is that two sleeve pipes are taken over by two one ends, and the other end is that single tube is taken over, and axial one-sided cross section is that the pipe joint of " h " type constitutes.Two sleeve pipes of two pipe joints are taken over the equal in length of taking over single tube, section all is the square type, the radially chi footpath size that two sleeve pipes of two pipe joints are taken over equates that the opening chuck space between the tube and tube of two sleeve pipes adapter ends is joined with connected ventilation duct tube coupling wall cover and is connected.Ventilation duct tube coupling wall for the ease of the composite glass fiber material inserts, and the radially physical dimension that the outer tube wall entry end of the inner connecting tube of two sleeve pipes adapter ends is designed to the single tube adapter end of 6, two pipe joints of the conical surface is unequal.The single tube of one of them pipe joint is taken over the interior pipe inner tubal wall that 2 outer tube wall and two sleeve pipes of another pipe joint take over 3 ends and is complementary, and the inner tubal wall that its two sleeve pipes are taken over the single tube adapter 4 of the outer tube outer tube wall of 5 ends and another pipe joint is complementary.The single tube of two pipe joints is taken over and is formed bell and spigot frame.Two pipe joints all are by the aluminum alloy compression molding, and interchangeability is good.During as installed, two sleeve pipes adapters of two supporting pipe joints are placed on respectively on the tube coupling wall 1 of connected formation ventilation duct, two tube couplings that pipe joint is installed are docked in erecting bed at ventilation duct, making the single tube of a pipe joint take over 2 inserts in the interior pipe of two sleeve pipes adapters 3 of another pipe joints, and the single tube of another pipe joint is taken over 4 and is placed on outside the outer tube of two sleeve pipes adapters 5 of this pipe joint, with rivet 7 two pipe joint covers are inserted the adapter and the connected ventilation duct tube coupling wall that link together then and be fixed into one, form ventilation duct.

The useful novel following relatively more outstanding advantage that compared with the prior art has of this reality:

1. the utility model is than the flange pipeline joint device of prior art, and zero member is few, only has two aluminium alloy moulds Molded member, simple in structure, volume is little, and weight is light, so that the weight of ventilation shaft reduces greatly, this has given prominence to compound more The lightweight advantage of glass-fiber-plate ventilation shaft.

2. because the utility model only has the pipe joint of two supporting compression moldings, during on-the-spot the installation, only need pipe joint is pegged graft Put in place, in taking over sleeve two cross sections together, rivet fixingly, namely finish pipeline docking construction, than oneself the technology pipe is arranged Road abutting joint construction, mounting process is simplified greatly, and installation is very simple easily.

3. because weight of the present utility model is light so that the weight of whole composite glass fiber plate ventilation shaft is light, thereby the peace of ventilation shaft Dress does not need support or the suspension bracket that oneself has a swing pipe road that is extensive use of in the technology is set, and the structure of a suspension bracket is simplified greatly, makes Installation, the manufacture craft of propping up suspension bracket are simple and easy. Also saved simultaneously prior art for a swing pipe road, above pipeline or lower The height space that is no less than 100mm that side's sky stays has improved the utilization rate in architecture indoor space, and the pipeline appearance looks elegant.

4. because the utility model is simple in structure, volume is little, and weight is light, and mounting process is simple, easy construction has been saved again original Therefore pipe-hanger support and a suspension bracket installation procedure can make engineering cost greatly reduce.

5. because the utility model adopts is aluminium alloy compression molding part, the shaped steel spare that adopts than prior art, galvanized steel parts Anti-oxidant ability is strong, and anti-corrosion property is good, and greatly improve the service life of the ventilation shaft that therefore is assembled into by the utility model, and then again Reduce pipeline maintenance and upgraded cost.

Structure of the present utility model is applicable to that not only the docking of machinable non-gold copper-base alloy rectangle section pipeline connects, also applicable in Docking circular or other shape section pipelines connect, can also be as metal material and the non-metallic material that can not process pipe material Joint device.

Claims (5)

1. a pipeline docks coupling arrangement, it is characterized in that taking over (3 for two sleeve pipes by two one ends, 5), the other end is that single tube takes over (2,4), axial one-sided cross section is that the pipe joint of " h " type constitutes, and two sleeve end pipe clamp covers of two pipe joints connect connected tube coupling tube wall (1), the single tube of a pipe joint is taken in the interior pipe of two sleeve pipes adapters of inserting another pipe joint, and the single tube of another pipe joint is taken over outside the outer tube of the two sleeve pipes adapters that are coated at this pipe joint.

2. pipeline butt joint coupling arrangement according to claim 1 is characterized in that the port design of the adapter assembling tube wall face of pipe joint has the installation conical surface (6).

3. pipeline butt joint coupling arrangement according to claim 1 and 2 is characterized in that the single tube adapter of pipe joint equates substantially with the length that two sleeve pipes are taken over.

4. pipeline according to claim 3 butt joint coupling arrangement is characterized in that design has pipe joint is taken over fixedly all-in-one-piece fastening piece (7) of wall and connected tube coupling tube wall.

5. pipeline butt joint coupling arrangement according to claim 4 is characterized in that said fastening piece is a rivet.

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