Assembled oblate supporting framework

Abstract

The utility model relates to an assembly type oblate supporting framework which comprises two U-shaped pipes and two straight pipes, and the shapes of the two U-shaped pipes are matched with the shape of the arc-shaped inner wall of an oblate air pipe. The two ends of the two straight pipes are detachably connected with the ends of the two U-shaped pipes correspondingly, so that an oblate annular structure attached to the inner wall of the oblate air pipe is formed. The U-shaped pipes matched with the shape of the arc-shaped inner wall of the oblate air pipe are selected, then the straight pipes with the corresponding length are selected according to the width of the cross section of the oblate air pipe, and the two U-shaped pipes and the two straight pipes can be assembled into an oblate annular structure attached to the inner wall of the oblate air pipe so as to achieve inner supporting of the oblate air pipe. The U-shaped pipes and the straight pipes of different specifications can be selected to be assembled into oblate supporting frameworks of different specifications, and compared with an integral oblate supporting framework, the assembled oblate supporting framework is easy to machine and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to flexible air pipe technical field especially relates to an assembled flat round support framework. BACKGROUND

[0002] Flexible air pipe includes fiber fabric air pipe and flexible composite air pipe, and its cross section shape is irregular under no ventilation during the use of air supply, and the appearance is poor. At the same time, the cross section shape of flexible air pipe is greatly deformed under the impact of pressure in the pipe during ventilation, thereby generating huge noise and vibration, and also affecting the service life of air pipe.

[0003] In view of this problem, the current market mainly adopts internal support technology, that is, a rigid or semi-rigid support ring is arranged in the air pipe, the shape and size of the support ring are just suitable for the shape and size of the air pipe cross section, and the support ring is used to maintain the air pipe cross section shape.

[0004] Flexible air pipe has two cross section shapes, i.e. circular and flat round, when used for air supply. The size specification of circular air pipe is relatively small, and the circular support ring is widely used due to its easy processing and low cost.

[0005] However, the size specification of flat round air pipe is large, and the flat round support ring is difficult to process and has high cost, so it cannot be widely used. INVENTION CONTENTS

[0006] Therefore, it is necessary to provide an assembled flat round support framework to solve the problem that the size specification of flat round air pipe is large, and the flat round support ring is difficult to process and has high cost, so it cannot be widely used.

[0007] The utility model provides an assembled flat round support framework, which comprises two U-shaped pipes and two straight pipes, the shapes of the two U-shaped pipes are adapted to the shape of the arc inner wall of the flat round air pipe, and the two ends of the two straight pipes are respectively detachably connected with the end portions of the two U-shaped pipes to form a flat round ring structure arranged on the inner wall of the flat round air pipe.

[0008] Further, the U-shaped pipe is a hollow pipe or a solid rod.

[0009] Further, the cross section of the U-shaped pipe is circular or square.

[0010] Further, the two ends of the straight pipe are detachably connected with the two U-shaped pipes via a connecting piece.

[0011] Further, the connecting piece comprises a wedge-shaped plug mounted on the two ends of the U-shaped pipe, the cross section of the wedge-shaped plug gradually expands in the direction close to the U-shaped pipe, and the wedge-shaped plug is inserted into a clamping groove formed in the end portion of the corresponding straight pipe.

[0012] Further, a limiting hole is formed in the outer wall of the straight pipe and communicates with the clamping groove, and an elastic member is arranged on the wedge-shaped plug and clamped in the limiting hole.

[0013] Further, the connecting member comprises an internal thread arranged at the end of the straight pipe and an external thread arranged at the end of the U-shaped pipe, and the straight pipe and the U-shaped pipe are threadedly connected.

[0014] Further, the support framework further comprises a vertical pipe arranged in a direction perpendicular to the straight pipe, and the two ends of the vertical pipe are detachably connected with the two straight pipes respectively.

[0015] Further, protrusions are fixedly connected to the two ends of the vertical pipe, and grooves are formed in the opposite sides of the two straight pipes, and the protrusions at the two ends of the vertical pipe are clamped in the grooves on the two straight pipes respectively.

[0016] Further, the number of the vertical pipes is plural, and the plural vertical pipes are arranged at equal intervals along the length direction of the straight pipe.

[0017] Compared with the prior art, the U-shaped pipes are selected to match the arc-shaped inner wall shape of the flat-round air duct, and then the straight pipes with corresponding lengths are selected according to the width of the cross section of the flat-round air duct, two U-shaped pipes and two straight pipes can be assembled into a flat-round ring structure arranged on the inner wall of the flat-round air duct to realize the inner support of the flat-round air duct, and different sizes of U-shaped pipes and straight pipes can be assembled into flat-round support frameworks of different sizes, compared with the integral flat-round support framework, the assembled flat-round support framework is simple in processing and low in cost, and meanwhile, compared with the integral flat-round support framework which has too many size specifications, the assembled flat-round support framework can be freely assembled by the U-shaped pipes and the straight pipes to realize multiple specifications, so the number of the overall size specifications is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 Fig. 1 is a structural schematic view of the whole assembled flat-round support framework provided by the embodiment of the present application;

[0019] Fig. 2 Fig. 2 is an exploded schematic view of the whole assembled flat-round support framework provided by the embodiment of the present application. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, wherein the drawings constitute a part of the present application and serve to explain the principles of the present application together with the embodiments of the present application, but are not used to limit the scope of the present application.

[0021] As shown in the drawings, Figs. 1-2As shown, the utility model provides a kind of assembled flat round support framework, including two U-shaped tubes 100 and two straight tubes 200, the shape of two U-shaped tubes 100 is compatible with the arc inner wall shape of flat round air duct;Two ends of two straight tubes 200 are respectively detachably connected with the end of two U-shaped tubes 100, to form the flat round annular structure that is arranged to the inner wall of flat round air duct.

[0022] When implementing, the U-shaped tube 100 compatible with the arc inner wall shape of flat round air duct is selected, then according to the width of the cross section of flat round air duct, the straight tube 200 of corresponding length is selected, two U-shaped tubes 100 and two straight tubes 200 can be assembled into the flat round annular structure arranged to the inner wall of flat round air duct, to realize the inner support of flat round air duct, different sizes of U-shaped tube 100 and straight tube 200 can be assembled into different size specifications of flat round support framework, compared with integral flat round support framework, the assembled flat round support framework is simple to process, low in cost, and simultaneously, compared with integral flat round support framework, too many size specifications, it can be freely assembled by U-shaped tube 100 and straight tube 200 to realize multiple specifications, so the number of overall size specifications is greatly reduced.

[0023] The shape of two U-shaped tubes 100 in the embodiment is compatible with the arc inner wall shape of flat round air duct.

[0024] Wherein, the height of U-shaped tube 100 determines the height of support framework, therefore, corresponding height of U-shaped tube 100 is selected according to the height inside flat round air duct, and simultaneously, corresponding shape of U-shaped tube 100 is selected according to the arc inner wall shape of flat round air duct.

[0025] In one embodiment, U-shaped tube 100 is hollow tube or solid rod. Of course, in other embodiments, U-shaped tube 100 can also adopt flat strip structure etc.

[0026] In one embodiment, the cross section of U-shaped tube 100 is circular or square. Of course, in other embodiments, the cross section of U-shaped tube 100 can also be triangular shape etc., which is not limited.

[0027] In one embodiment, U-shaped tube 100 can be metal or plastic structure.

[0028] Two ends of two straight tubes 200 in the embodiment are respectively detachably connected with the end of two U-shaped tubes 100, to form the flat round annular structure that is arranged to the inner wall of flat round air duct.

[0029] It needs to be explained that the shape and material selection of straight tube 200 can be same with U-shaped tube 100.

[0030] Wherein, two ends of straight tube 200 are detachably connected with two U-shaped tubes 100 via connecting piece.

[0031] In one embodiment, the connecting piece comprises wedge-shaped plugs 110 mounted at both ends of the U-shaped tube 100, the cross section of the wedge-shaped plug 110 gradually expands in the direction close to the U-shaped tube 100, and the wedge-shaped plug 110 is inserted into the clamping groove formed at the end of the corresponding straight tube 200.

[0032] The outer wall of the straight tube 200 is provided with a limiting hole 210 in communication with the clamping groove, and the wedge-shaped plug 110 is provided with an elastic member 120 which is clamped in the limiting hole 210. The elastic member 120 can be realized by a clamping block and a spring, the clamping block is connected with the wedge-shaped plug 110 through the spring, and through the deformation of the spring, the clamping block moves first in the direction close to the wedge-shaped plug 110 during the process of inserting the wedge-shaped plug 110 into the clamping groove, until it moves to the position opposite to the limiting hole 210, and then the clamping block is clamped into the limiting hole 210 under the action of the spring.

[0033] In another embodiment, the connecting piece comprises an internal thread provided at the end of the straight tube 200 and an external thread provided at the end of the U-shaped tube 100, and the straight tube 200 and the U-shaped tube 100 are connected by screwing.

[0034] It should be noted that the connecting piece can also be realized by other structures to connect the branch pipe 200 and the Y-shaped tube 100, and the structure with stable connection and convenient disassembly is preferred.

[0035] In order to improve the overall strength of the support framework, the support framework in the present embodiment further comprises a stand pipe 300, which is arranged in the direction perpendicular to the straight tube 200, and the two ends of the stand pipe 300 are respectively detachably connected with the two straight tubes 200. The stand pipe 300 arranged can effectively improve the pressure resistance and stability of the support framework.

[0036] It should be noted that the shape and material of the stand pipe 300 can be the same as those of the U-shaped tube 100.

[0037] In one embodiment, the two ends of the stand pipe 300 are fixedly connected with protrusions, and the opposite sides of the two straight tubes 200 are provided with grooves, and the protrusions at the two ends of the stand pipe 300 are respectively clamped in the grooves on the two straight tubes 200.

[0038] Of course, in other embodiments, the stand pipe 300 can also be connected with the straight tube 200 in other ways.

[0039] In one embodiment, the number of stand pipes 300 is multiple, and the multiple stand pipes 300 are arranged at equal intervals along the length direction of the straight tube 200. Among them, the straight tube 200 with a corresponding length is selected according to the width of the flat round air pipe. It should be noted that the longer the length of the straight tube 200, the more the number of stand pipes 300 that need to be arranged, so as to ensure the overall pressure resistance and stability of the support framework.

[0040] Compared with the prior art: the U-shaped pipe 100 is selected to match the arc-shaped inner wall shape of the flat round air duct, and then the straight pipe 200 with a corresponding length is selected according to the width of the cross section of the flat round air duct, and the two U-shaped pipes 100 and the two straight pipes 200 can be assembled into a flat round annular structure arranged on the inner wall of the flat round air duct to realize the inner support of the flat round air duct, and different sizes of the U-shaped pipe 100 and the straight pipe 200 can be assembled into flat round support skeletons of different size specifications, compared with the integral flat round support skeleton, the assembled flat round support skeleton is simple to process and low in cost, and meanwhile, compared with the integral flat round support skeleton which has too many size specifications, the assembled flat round support skeleton can be freely assembled by the U-shaped pipe 100 and the straight pipe 200 to realize various specifications, so that the number of the overall size specifications is greatly reduced.

[0041] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An assembled oblate support framework, characterized by, The utility model relates to a kind of support framework, including: Two U-shaped tubes, which are shaped to match the shape of the arc-shaped inner wall of the flat round duct; Two straight tubes, each of which is detachably connected to the end of the two U-shaped tubes to form a flat round annular structure arranged on the inner wall of the flat round duct.

2. The assembled oblate support framework of claim 1, wherein, The U-shaped tube is a hollow tube or a solid rod.

3. The assembled oblate support framework of claim 1, wherein, The cross section of the U-shaped tube is circular or square.

4. The assembled oblate support framework of claim 1, wherein, The two ends of the straight tube are detachably connected to the two U-shaped tubes via a connector.

5. The assembled oblate support framework of claim 4, wherein, The connector includes a wedge-shaped plug mounted on the two ends of the U-shaped tube, which gradually expands in the direction close to the U-shaped tube. The wedge-shaped plug is inserted into the clamping slot opened at the end of the corresponding straight tube.

6. The assembled oblate support framework of claim 5, wherein, A limiting hole is opened on the outer wall of the straight tube, which is in communication with the clamping slot. An elastic member is provided on the wedge-shaped plug, which is clamped in the limiting hole.

7. The assembled oblate support framework of claim 4, wherein, The connector includes an internal thread provided on the end of the straight tube and an external thread provided on the end of the U-shaped tube. The straight tube and the U-shaped tube are threadedly connected.

8. The assembled oblate support framework of claim 1, wherein, The support framework further includes a vertical pipe, which is arranged in a direction perpendicular to the straight tube. The two ends of the vertical pipe are detachably connected to the two straight tubes, respectively.

9. The assembled oblate support framework of claim 8, wherein, The two ends of the vertical pipe are fixedly connected with protrusions, and the opposite side of the two straight tubes is provided with grooves. The protrusions at the two ends of the vertical pipe are clamped in the grooves on the two straight tubes, respectively.

10. The assembled oblate support framework of claim 8, wherein, The number of vertical pipes is multiple, and the multiple vertical pipes are arranged at equal intervals along the length direction of the straight tube.

Images