CN210830838U

CN210830838U - High-strength quick-assembly stainless steel corrugated pipe

Info

Publication number: CN210830838U
Application number: CN201920640385.6U
Authority: CN
Inventors: 孙华伟
Original assignee: Jiangsu Brother Pipe Industry Manufacturing Co ltd
Current assignee: Jiangsu Brother Pipe Industry Manufacturing Co ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-06-23
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to a fast-assembling stainless steel bellows of high strength, including ripple body and joint flange, the bellows is equipped with a plurality of beaded finish outside, the beaded finish cross-section includes arc and two pterygoid laminas, ripple body both ends all are equipped with the stop collar, the stop collar is equipped with the backplate outward, the backplate includes the arc lamella board that two symmetries set up, be equipped with the hinge between two arc lamella boards, be equipped with the spacing groove on the arc lamella board, the backplate is equipped with the lock sleeve outward, be equipped with a plurality of connecting holes on the joint flange, and one side is equipped with the bulge loop, the opposite side is equipped with the transition pipe, the transition pipe outside is equipped with the pressure disk, be equipped with bulge and clamping ring on the; the utility model discloses novel structure is compact, the assembly fast and stable, and rigidity intensity is high, and pressure-bearing impact resistance is high, difficult fracture to improve durability and sensitivity, adapt to big volume change extension demand.

Description

High-strength quick-assembly stainless steel corrugated pipe

Technical Field

The utility model relates to a bellows, especially a fast-assembling stainless steel bellows of high strength.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, is widely applied to instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, the corrugated pipe has a thin pipe wall and high sensitivity, the measuring range is from tens of Pa to tens of MPa, the open end of the corrugated pipe is fixed, the sealing end of the corrugated pipe is in a free state, the elasticity is increased by using an auxiliary spiral spring or a reed, and the corrugated pipe is assembled by connecting threaded or flange end parts.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a fast-assembling corrugated stainless steel pipe of high strength, the assembly is fast and stable, and rigidity intensity is high, and pressure-bearing impact resistance is high, difficult fracture to improve durability and sensitivity, adapt to big volume change and extend the demand.

The utility model discloses a realize through following technical scheme:

a high-strength quick-assembly stainless steel corrugated pipe comprises a corrugated pipe body and a joint flange, wherein a plurality of reinforcing rings are arranged outside the corrugated pipe body, the sections of the reinforcing rings comprise an arc-shaped plate and two wing plates, the two wing plates are connected with two sides of the arc-shaped plate and are arranged in a tangent mode with the arc-shaped plate, two ends of the corrugated pipe body are respectively provided with a limiting sleeve, the sections of the limiting sleeves are L-shaped structures, the inner walls of the limiting sleeves are provided with buffering conical surfaces, a protective plate is arranged outside the limiting sleeves and comprises two arc-shaped petal plates which are symmetrically arranged, a hinge is arranged between the two arc-shaped petal plates, and the sections of the arc-shaped petal plates are L-shaped;

the arc-shaped petal plate is provided with a limiting groove, a lock sleeve is arranged outside the protective plate, the cross section of the lock sleeve is of an L-shaped structure, a plurality of connecting holes are formed in the joint flange, a convex ring is arranged on one side of the joint flange, a transition pipe is arranged on the other side of the joint flange, a pressure plate is arranged outside the transition pipe, a convex plate and a pressure ring are arranged on the pressure plate, the pressure ring is matched with the limiting groove in shape, and matching threads are arranged between the outer wall of the pressure plate and.

Above-mentioned fast-assembling stainless steel bellows of high strength, wherein, lock sleeve bottom edge is equipped with the arc angle, the lock sleeve outside is equipped with a plurality of lugs, and a plurality of lugs are evenly spaced around lock sleeve a week and are set up.

Above-mentioned fast-assembling stainless steel bellows of high strength, wherein, be equipped with first interior conical surface on the bulge loop, all be equipped with the second interior conical surface on the joint flange, the tapering of first interior conical surface is greater than the tapering of second interior conical surface.

The utility model has the advantages that:

the utility model discloses novel structure is compact, and reasonable design, use convenient assembling, adopt a plurality of stiffener structures of taking pterygoid lamina and arc plate structure, in order to bear mechanical stress, improve the bellows and extend the internal stress of shrink, especially axial load capacity is showing the reinforcing, adopt two arc lamella boards of taking the hinge to constitute each other board and stop collar cooperation, in the rigidity intensity of bellows joint end portion, the assembly is quick, change the clamping ring and the spacing groove shape fit through the pressure disk, compress tightly the assembly, and adorn the shaping fast soon under the cooperation screw thread effect, by take first inner conical surface and second inner conical surface the joint flange stabilize the erection joint can, it is high to have pressure-bearing impact resistance, difficult cracked characteristics, thereby improve durability and sensitivity, adapt to big volume change and extend the demand.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic structural diagram of the utility model after the lock sleeve is removed.

Fig. 3 is a sectional structure view of the present invention.

(in the figure, the corrugated pipe body 1, the joint flange 2, the reinforcing ring 3, the arc-shaped plate 4, the wing plate 5, the limiting sleeve 6, the buffering conical surface 7, the guard plate 8, the arc-shaped flap plate 9, the limiting groove 10, the lock sleeve 11, the connecting hole 12, the convex ring 13, the transition pipe 14, the first inner conical surface 15, the second inner conical surface 16, the pressure plate 17, the convex plate 18, the pressing ring 19, the matching thread 20, the arc angle 21, the convex block 22 and the hinge 23).

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

A high-strength fast-assembling stainless steel corrugated pipe comprises a corrugated pipe body 1 and a joint flange 2, wherein a plurality of reinforcing rings 3 are arranged outside the corrugated pipe body 1, the sections of the reinforcing rings 3 comprise an arc-shaped plate 4 and two wing plates 5, the two wing plates 5 are connected with two sides of the arc-shaped plate 4 and are arranged in a tangent mode with the arc-shaped plate 4, two ends of the corrugated pipe body 1 are respectively provided with a limiting sleeve 6, the sections of the limiting sleeves 6 are of an L-shaped structure, the inner walls of the limiting sleeves are provided with buffering conical surfaces 7, a protective plate 8 is arranged outside the limiting sleeves 6, the protective plate 8 comprises two arc-shaped flap plates 9 which are symmetrically arranged, a hinge 23 is arranged between the two arc-shaped flap plates 9, the sections of the arc-shaped flap plates 9 are of an L;

the arc-shaped flap plate 9 is provided with a limiting groove 10, the guard plate 8 is externally provided with a lock sleeve 11, the cross section of the lock sleeve 11 is of an L-shaped structure, the joint flange 2 is provided with a plurality of connecting holes 12, one side of each connecting hole is provided with a convex ring 13, the other side of each connecting hole is provided with a transition pipe 14, each convex ring 13 is provided with a first inner conical surface 15, the joint flange 2 is provided with a second inner conical surface 16, the taper of each first inner conical surface 15 is larger than that of each second inner conical surface 16, a pressure plate 17 is arranged outside each transition pipe 14, the pressure plate 17 is provided with a convex plate 18 and a pressure ring 19, the pressure ring 19 is matched with the limiting groove 10 in shape, and a matching thread 20 is arranged between;

the edge of the bottom of the lock sleeve 11 is provided with an arc angle 21, a plurality of convex blocks 22 are arranged outside the lock sleeve 11, and the convex blocks 22 are uniformly arranged around the lock sleeve 11 at intervals.

The utility model discloses a working method does:

two arc-shaped flap plates 9 with hinges 23 are buckled on a limiting sleeve 6, the limiting is mutually matched and limited through L-shaped sections, a pressing ring 19 on a pressure plate 17 is matched with a limiting groove 10 in shape, a protection plate 8 is pressed, and then a plurality of lugs 22 are used for screwing matching threads 20, so that a lock sleeve 11 is sleeved and locked on the pressure plate 17 from the outside of the protection plate 8, the quick assembly of a joint flange 2 is realized, and the pressure-resistant load capacity of the end part of a corrugated pipe body 1 is stronger; the corrugated pipe body 1 is connected to a pipeline through the connecting holes 12 of the joint flange 2, when the corrugated pipe body 1 contracts and expands, the reinforcing ring 3 structure with the wing plate 5 and the arc-shaped plate 4 structure improves mechanical stress bearing capacity, improves the internal stress of expansion and contraction of the corrugated pipe, particularly obviously enhances the axial load capacity, and is accelerated by the buffer medium of the first inner conical surface 15, the second inner conical surface 16 and the buffer conical surface 7, so that the sensitivity and the reliability are higher.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A high-strength quick-assembly stainless steel corrugated pipe comprises a corrugated pipe body and a joint flange, and is characterized in that a plurality of reinforcing rings are arranged outside the corrugated pipe body, the sections of the reinforcing rings comprise an arc-shaped plate and two wing plates, the two wing plates are connected with two sides of the arc-shaped plate and are arranged in a tangent mode with the arc-shaped plate, two ends of the corrugated pipe body are respectively provided with a limiting sleeve, the sections of the limiting sleeves are of an L-shaped structure, the inner wall of each limiting sleeve is provided with a buffering conical surface, a protective plate is arranged outside each limiting sleeve, each protective plate comprises two arc-shaped petal plates which are symmetrically arranged, a hinge is arranged between the two arc-shaped petal plates, and the sections of;

2. A high strength quick assembling stainless steel corrugated pipe as claimed in claim 1, wherein said lock sleeve has a rounded bottom edge, and said lock sleeve has a plurality of protrusions formed on the exterior thereof, said plurality of protrusions being spaced evenly around the circumference of said lock sleeve.

3. A high strength quick fitting corrugated stainless steel tubing as claimed in claim 1 wherein said collar has a first internal taper and said connector flanges have a second internal taper, said first internal taper being greater than said second internal taper.