Large-diameter bent pipe

Abstract

The utility model relates to the technical field of bent pipes, and discloses a large-diameter bent pipe which comprises a bent pipe body, connectors used for external connection are installed at the two ends of the bent pipe body, an external thread ring is arranged outside the connector at one end, an internal thread ring is arranged in the connector at the other end, a buffer plate is arranged in the bent pipe body, the buffer plate is an arc-shaped plate, and the buffer plate is connected with the bent pipe body. And the buffer plate is obliquely arranged. By arranging the arc-shaped buffer plate in the elbow pipe body and arranging the elastic block, the speed change of fluid passing through the elbow pipe can be effectively slowed down, so that the impact force on the joint is reduced, the connection looseness caused by fluid impact is prevented, and the position accuracy is ensured through the design of the reinforcing ring, the limiting block and the limiting sliding groove; and the threaded rod and the fixing nut are used for fastening, so that the stability of connection between the bent pipe and an external pipeline is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bend technical field, concretely is a large -diameter bend. BACKGROUND

[0002] Generally refers to the bend of the pipe diameter is big, is applicable to the pipe system that needs high flow, big capacity, such as industrial pipeline, water supply pipeline, oil and gas transmission pipeline etc. The bend radius (i. e. the distance from the center of the bend to the outside of the pipe wall) of the bend is usually designed according to the specific application, and the common bend radius is 1 times pipe diameter, 1.5 times pipe diameter, 2 times pipe diameter etc. Larger bend radius can reduce the resistance of fluid.

[0003] According to different application environment, the large -diameter bend can use multiple materials to manufacture, such as carbon steel, stainless steel, alloy steel, plastic etc. The selection of material depends on the requirements such as corrosion resistance, pressure resistance, temperature adaptability.

[0004] Most of the existing large -diameter bend is usually to connect between the pipe and the pipe, but the flow in the existing large -diameter pipe is usually large, which can cause the connection of the bend to loosen, therefore, does not meet the existing demand, for this, we propose a large -diameter bend. INVENTION CONTENTS

[0005] The utility model provides a large -diameter bend has the beneficial effect of slowing down the speed change of fluid when passing through the bend, solves the problem that the existing most large -diameter bend is usually to connect between the pipe and the pipe in the above background art, but the flow in the existing large -diameter pipe is usually large, which can cause the connection of the bend to loosen.

[0006] The utility model provides the following technical scheme: a large -diameter bend, including bend body, the bend body both ends are installed for the connection head that connects outward, the connection head of one end is provided with the external thread ring outward, the internal thread ring is provided with in the connection head of the other end, the bend body is provided with the buffer board, the buffer board is set to arc plate, and the buffer board is inclined and is arranged, the buffer board bottom is provided with the elastic block, the connection head is equipped with the reinforcing ring, the reinforcing ring is used for reinforcing the connection of the bend body and other pipe, the reinforcing ring is provided with reinforcing assembly.

[0007] As a large -diameter bend of the utility model can select scheme, wherein: the reinforcing ring includes first half ring and second half ring, the first half ring and the second half ring are symmetrically set on the outside of the bend body, and the first half ring and the second half ring are hingedly connected at the end portions.

[0008] As a large caliber elbow of utility model discloses a kind of optional scheme, wherein: the first half ring inside installation is limited block, the limiting sliding slot corresponding with the limiting block is opened in the elbow body, the limiting block is slidably inserted in the limiting sliding slot.

[0009] As a large caliber elbow of utility model discloses a kind of optional scheme, wherein: the reinforcing assembly includes the clamping texture being arranged inside the first half ring and the second half ring, further including the adjusting plate being installed in the side of the first half ring and the second half ring, the fixed hole is opened in the adjusting plate, the threaded rod is inserted in the fixed hole, and the fixed nut is threadedly sleeved with the bottom end of the threaded rod.

[0010] As a large caliber elbow of utility model discloses a kind of optional scheme, wherein: the damping rubber strip is installed in the reinforcing ring, and the damping rubber strip is arranged as rubber strip.

[0011] As a large caliber elbow of utility model discloses a kind of optional scheme, wherein: the reinforcing layer is arranged in the elbow body, the reinforcing layer is arranged as aluminum alloy layer, the anti-adhesion coating is arranged in the elbow body, and the anti-adhesion coating is arranged as ceramic coating.

[0012] As a large caliber elbow of utility model discloses a kind of optional scheme, wherein: the wear-resistant layer is arranged outside the elbow body, the wear-resistant layer is arranged as epoxy resin layer, and the thickness of the wear-resistant layer is 10mm.

[0013] The utility model has the following beneficial effects:

[0014] 1、the large caliber elbow, by setting up the arc-shaped buffer plate in the elbow body, and being equipped with elastic block, the speed change when fluid passes through elbow can be effectively slowed down, to reduce the impact force to the connecting place, prevent the connection from loosening due to fluid impact, through the design of reinforcing ring, and the position is accurately ensured by limiting block and limiting sliding slot, and then fastening by threaded rod and fixed nut, the stability of elbow and external pipeline connection is enhanced.

[0015] 2、the large caliber elbow, by setting up ceramic anti-adhesion coating in the elbow body, the adhesion of particulate matter or chemical substance in fluid can be effectively prevented, and the fouling phenomenon is reduced, so that the elbow interior is kept smooth, and the fluid transmission efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the main body three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is the main body plane structure schematic view of the utility model.

[0018] Figure 3The utility model discloses a main body cut structure schematic view.

[0019] Figure 4 The utility model discloses an internal cut structure schematic view.

[0020] In the drawing: 110, elbow body; 111, connecting head; 112, outer thread ring; 113, inner thread ring; 114, buffer plate; 115, elastic block; 116, reinforcing ring; 117, first half ring; 118, second half ring; 120, reinforcing assembly; 121, clamping texture; 122, adjusting plate; 123, fixed hole; 124, threaded rod; 125, fixed nut; 126, damping rubber strip; 130, reinforcing layer; 131, anti-sticking coating; 132, wear-resistant layer; 133, limiting block; 134, limiting sliding groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In embodiment one, the embodiment is intended to promote the solution to the loose connection of the elbow of the large-diameter elbow pipe, which is usually used to connect the pipes. Figures 1-4 A large-diameter elbow pipe, comprising an elbow body 110, the connecting head 111 for external connection is arranged at both ends of the elbow body 110, the outer thread ring 112 is arranged outside the connecting head 111 at one end, the inner thread ring 113 is arranged inside the connecting head 111 at the other end, the buffer plate 114 is arranged inside the elbow body 110, the buffer plate 114 is arranged as an arc-shaped plate, and the buffer plate 114 is arranged obliquely, the elastic block 115 is arranged at the bottom of the buffer plate 114, the reinforcing ring 116 is arranged outside the connecting head 111, the reinforcing ring 116 is used for reinforcing the connection between the elbow body 110 and other pipes, and the reinforcing assembly 120 is arranged inside the reinforcing ring 116.

[0023] The reinforcing ring 116 comprises a first half ring 117 and a second half ring 118, the first half ring 117 and the second half ring 118 are symmetrically arranged outside the elbow body 110, and the first half ring 117 and the second half ring 118 are hingedly connected at the ends.

[0024] The reinforcing assembly 120 includes clamping lines 121 arranged inside the first half ring 117 and the second half ring 118, and adjusting plates 122 installed on the side of the first half ring 117 and the second half ring 118, the adjusting plates 122 are provided with fixing holes 123, threaded rods 124 are inserted into the fixing holes 123, and fixed nuts 125 are threaded on the bottom ends of the threaded rods 124. The damping rubber strips 126 are installed in the reinforcing ring 116, and the damping rubber strips 126 are arranged as rubber strips.

[0025] The connecting heads 111 at both ends of the elbow body 110 are connected with the outer threaded ring 112 and the inner threaded ring 113 respectively. The reinforcing ring 116 is composed of the first half ring 117 and the second half ring 118 and is sleeved on the outside of the elbow body 110, and the limiting blocks 133 are inserted into the limiting sliding grooves 134. The threaded rods 124 are inserted into the fixing holes 123 on the adjusting plates 122, and the fixed nuts 125 are tightened, so that the reinforcing ring 116 is fixed on the elbow body 110.

[0026] When the fluid passes through the elbow, the buffer plate 114 can slow down the change of the speed of the fluid, and reduce the impact on the connecting part. The reinforcing ring 116 is fastened on the elbow body 110 through the cooperation of the clamping lines 121, the threaded rods 124 and the fixed nuts 125, and the stability of the connection is enhanced. The damping rubber strips 126 provide additional sealing and damping effect, and further protect the connecting part.

[0027] In the embodiment: by arranging the arc-shaped buffer plate 114 in the elbow body 110 and providing the elastic blocks 115, the change of the speed of the fluid when passing through the elbow can be effectively slowed down, so as to reduce the impact force on the connecting part, prevent the loosening of the connection caused by the impact of the fluid, and enhance the stability of the connection of the elbow and the external pipeline through the design of the reinforcing ring 116, the limiting blocks and the limiting sliding grooves, the fastening of the threaded rods 124 and the fixed nuts 125, and the accurate positioning.

[0028] In the second embodiment, the embodiment is intended to promote the solution to the problem that the inside of the elbow may be scaled or blocked due to the adhesion of particles or chemical substances in the fluid, which affects the fluid transmission efficiency and even causes the failure of the pipeline. The embodiment is an improvement based on the first embodiment, and details are described in the first embodiment. Figures 1-4The reinforcing layer 130 is arranged in the elbow pipe body 110, the reinforcing layer 130 is arranged as an aluminum alloy layer, by arranging the aluminum alloy reinforcing layer 130 in the elbow pipe body 110, the strength and rigidity of the elbow pipe are improved significantly, the greater stress and pressure can be effectively borne, and the service life is prolonged. The anti-sticking coating 131 is arranged in the elbow pipe body 110, the anti-sticking coating 131 is arranged as a ceramic coating. The wear-resistant layer 132 is arranged outside the elbow pipe body 110, the wear-resistant layer 132 is arranged as an epoxy resin layer, and the thickness of the wear-resistant layer 132 is 10 mm. The 10 mm thick epoxy resin wear-resistant layer 132 is arranged outside the elbow pipe body 110, additional protection is provided, external mechanical wear and corrosion can be effectively resisted, the service life of the elbow pipe is prolonged, and the sealing performance of the elbow pipe is enhanced.

[0029] In the embodiment: by arranging the ceramic anti-sticking coating 131 in the elbow pipe body 110, the adhesion of particles or chemical substances in the fluid can be effectively prevented, the fouling phenomenon is reduced, the inside of the elbow pipe is kept smooth, and the fluid transmission efficiency is improved.

[0030] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0031] The above description is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled in the art, on the premise of not departing from the technical principles of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the utility model.

Claims

1. A large-bore elbow comprising an elbow body (110), characterized in that: The elbow body (110) is provided with a connecting head (111) at both ends for external connection, an external thread ring (112) is arranged outside the connecting head (111) at one end, an internal thread ring (113) is arranged inside the connecting head (111) at the other end, a buffer plate (114) is arranged inside the elbow body (110), the buffer plate (114) is arranged as an arc plate, and the buffer plate (114) is arranged obliquely, the buffer plate (114) is provided with an elastic block (115) at the bottom, the connecting head (111) is provided with a reinforcing ring (116), the reinforcing ring (116) is used for reinforcing the connection between the elbow body (110) and other pipelines, and the reinforcing ring (116) is provided with a reinforcing assembly (120).

2. A large-bore elbow according to claim 1, characterized in that: The reinforcing ring (116) comprises a first half ring (117) and a second half ring (118), the first half ring (117) and the second half ring (118) are symmetrically arranged outside the elbow body (110), and the first half ring (117) and the second half ring (118) are hingedly connected at the ends.

3. A large-bore elbow according to claim 2, characterized in that: The first half ring (117) is provided with a limiting block (133) inside, the elbow body (110) is provided with a limiting sliding groove (134) corresponding to the limiting block (133), and the limiting block (133) is slidingly inserted into the limiting sliding groove (134).

4. A large diameter elbow according to claim 2, characterized in that: The reinforcing assembly (120) comprises clamping lines (121) arranged inside the first half ring (117) and the second half ring (118), and an adjusting plate (122) arranged on the side of the first half ring (117) and the second half ring (118), the adjusting plate (122) is provided with a fixing hole (123), a threaded rod (124) is inserted into the fixing hole (123), and a fixing nut (125) is threadedly arranged at the bottom end of the threaded rod (124).

5. A large-bore elbow according to claim 4, characterized in that: The reinforcing ring (116) is provided with a damping rubber strip (126), and the damping rubber strip (126) is arranged as a rubber strip.

6. A large diameter elbow as defined in claim 1, wherein: The elbow body (110) is provided with a reinforcing layer (130), the reinforcing layer (130) is arranged as an aluminum alloy layer, the elbow body (110) is provided with an anti-sticking coating layer (131), and the anti-sticking coating layer (131) is arranged as a ceramic coating layer.

7. A large diameter elbow as defined in claim 1, wherein: The elbow body (110) is provided with a wear-resistant layer (132), the wear-resistant layer (132) is arranged as an epoxy resin layer, and the thickness of the wear-resistant layer (132) is 10 mm.

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