CN220828650U - Quick-change miter joint corrugated pipe expansion joint - Google Patents

Abstract

The utility model relates to the technical field of quick-change corrugated pipe expansion joints, in particular to a quick-change miter joint corrugated pipe expansion joint, which comprises two groups of connecting pipes, wherein corrugated pipes are arranged in the two groups of connecting pipes, fixing blocks are arranged on the outer sides of the two groups of connecting pipes and positioned on the left and right sides of the corrugated pipes, fixing rods are arranged between the two groups of fixing blocks, springs are sleeved on the outer sides of the fixing rods, flanges are arranged at openings on the left and right sides of the connecting pipes, a plurality of groups of threaded holes are formed in the two groups of flanges, and the two groups of connecting pipes are fixed through fixing mechanisms; the fixing mechanism comprises two groups of fixing rings, fixing grooves are formed in the two groups of fixing rings, handles are arranged on the front side and the rear side of each fixing ring, and compared with the existing corrugated pipe expansion joint, the corrugated pipe expansion joint is improved in overall practicality through design.

Description

Quick-change miter joint corrugated pipe expansion joint

Technical Field

The utility model relates to the technical field of quick-change corrugated pipe expansion joints, in particular to a quick-change miter joint corrugated pipe expansion joint.

Background

Expansion joints are also conventionally known as compensators, or telescopic joints; the corrugated pipe comprises a corrugated pipe and accessories such as an end pipe, a bracket, a flange, a conduit and the like which form a working main body of the corrugated pipe; the expansion joint is a flexible structure arranged on the container shell or the pipeline for compensating additional stress caused by temperature difference and mechanical vibration; the effective expansion and contraction deformation of the corrugated pipe of the working main body is utilized to absorb the dimensional changes of pipelines, ducts, containers and the like caused by expansion with heat and contraction with cold or compensate the axial, transverse and angular displacement of the pipelines, ducts, containers and the like; the heat-insulating pipe can also be used for noise reduction, vibration reduction and heat supply, and in order to prevent the pipeline from deforming or being damaged due to thermal elongation or temperature stress when the heat-insulating pipe is heated, a compensator is required to be arranged on the pipeline to compensate the thermal elongation of the pipeline, so that the stress of the pipe wall and acting force acting on a valve element or a support structure are reduced;

The existing expansion joint needs to be maintained and monitored regularly when in use, but most of the existing expansion joints are connected by welding and bolts, and when parts are damaged, the whole expansion joint needs to be maintained, so that the maintenance cost is too high; the bolts can be quickly assembled and disassembled, but the bolts are easy to damage after long-term use, and the problems of sliding wires, old bolts and the like are endless;

Patent document No. cn201920512782.5 discloses a bellows expansion joint, which has the main functions of: under the exogenic action, the bellows expansion can carry out effectual flexible, and the deformation and the damage of bellows expansion joint can effectually be avoided to the cover body and coupling mechanism, through being provided with left section expansion joint, right section expansion joint and middle section expansion joint, through the mode of reducing, have guaranteed the variety of this bellows, and stability is better, and shortcoming lies in: the novel corrugated expansion joint is designed to change the technical defects, so that the practicability and convenience of the integral corrugated expansion joint are improved.

Disclosure of utility model

The utility model aims to provide a quick-change miter joint corrugated pipe expansion joint so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the quick-change miter joint corrugated pipe expansion joint comprises two groups of connecting pipes, wherein corrugated pipes are arranged in the two groups of connecting pipes, fixing blocks are arranged on the outer sides of the two groups of connecting pipes and positioned on the left side and the right side of the corrugated pipes, fixing rods are arranged between the two groups of fixing blocks, springs are sleeved on the outer sides of the fixing rods, flanges are arranged at openings on the left side and the right side of the connecting pipes, a plurality of groups of threaded holes are formed in the inner parts of the flanges, and the two groups of connecting pipes are fixed through fixing mechanisms;

The fixing mechanism comprises two groups of fixing rings, fixing grooves are formed in the two groups of fixing rings, handles are arranged on the front side and the rear side of each fixing ring, and fixing holes are formed in the left side and the right side of each fixing ring and located at corresponding positions of the threaded holes.

As the preferable scheme of the utility model, the two groups of fixing rings are in a semicircular structural design, the two groups of fixing rings are in a circular structural design when combined, the internal structure size of the threaded hole is correspondingly arranged with the internal structure size of the fixing hole, and the two groups of fixing rings are fixed with the flange through bolts.

As a preferable scheme of the utility model, the fixing rod is fixed between two groups of fixing blocks through a plurality of groups of screws.

As a preferable scheme of the utility model, the outer side of the handle is provided with a plurality of groups of anti-skid patterns, and the inner structure sizes of the two groups of fixing grooves are correspondingly arranged with the outer structure sizes of the two groups of flanges.

As a preferable scheme of the utility model, the left and right sides of the connecting pipe and the inside of the flange are respectively provided with a connecting port, and two groups of connecting ports are respectively provided with three connectors with different sizes.

As a preferable scheme of the utility model, the length of the fixed rod, the length of the spring and the length of the corrugated pipe are the same.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the connecting pipe is arranged on the other connecting pipe through the design of the connecting pipe and the connecting port, so that the two groups of connecting ports are aligned and clamped, and pipelines with different diameters can be connected through the connecting ports of the connecting pipe with various connecting sizes.

2. According to the utility model, through the design of the fixing mechanism and the flange, two groups of fixing rings are respectively sleeved on the flanges of the two groups of connecting pipes, the two groups of flanges are clamped in the fixing grooves, the threaded holes on the two groups of flanges and the fixing holes on the fixing rings are used for fixing the two groups of flanges through bolts, and the fixing rings can be easily pulled out and inserted through the handles.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a split view of the overall structure of the present utility model;

FIG. 3 is a schematic view of a connecting pipe according to the present utility model;

FIG. 4 is a schematic view of the structure of the fixing ring of the present utility model.

In the figure: 1. a connecting pipe; 101. a connection port; 2. a bellows; 3. a fixed block; 4. a fixed rod; 5. a spring; 6. a flange; 7. a threaded hole; 8. a fixing mechanism; 801. a fixing ring; 802. a fixing groove; 803. a handle; 804. and a fixing hole.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be more fully understood, several embodiments of the utility model will be set forth below with reference to the accompanying description, but the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but is instead provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution:

The quick-change miter joint corrugated pipe expansion joint comprises two groups of connecting pipes 1, wherein corrugated pipes 2 are arranged in the two groups of connecting pipes 1, fixing blocks 3 are arranged on the outer sides of the two groups of connecting pipes 1 and positioned on the left side and the right side of the corrugated pipes 2, fixing rods 4 are arranged between the two groups of fixing blocks 3, springs 5 are sleeved on the outer sides of the fixing rods 4, flanges 6 are arranged at openings on the left side and the right side of the connecting pipes 1, a plurality of groups of threaded holes 7 are formed in the two groups of flanges 6, and the two groups of connecting pipes 1 are fixed through fixing mechanisms 8;

The fixing mechanism 8 comprises two groups of fixing rings 801, fixing grooves 802 are formed in the two groups of fixing rings 801, handles 803 are arranged on the front side and the rear side of the fixing rings 801, and fixing holes 804 are formed in the left side and the right side of the fixing rings 801 and located at the corresponding equal positions of the threaded holes 7.

Referring to fig. 1-3, a connecting pipe 1 is installed on another connecting pipe 1, connectors 101 are respectively arranged at the left side and the right side of the connecting pipe 1 and located in a flange 6, three connectors with different sizes are respectively arranged at two groups of connectors 101, the two groups of connectors 101 are aligned and clamped, multiple connecting sizes are arranged at the connectors 101 through the connecting pipe 1, pipelines with different diameters can be connected, when a corrugated pipe expansion joint is used, when the left length and the right length of a corrugated pipe 2 are changed, a fixing rod 4 is fixed between the two groups of fixing blocks 3 through a plurality of groups of screws, the length of the fixing rod 4 is identical to the length of a spring 5 and the length of the corrugated pipe 2, and the fixing blocks 3 are pulled through the fixing rod 4 in cooperation with the spring 5, so that the corrugated pipe 2 is reduced in transverse change amount and is quickly reset.

Referring to fig. 1, 2 and 4, when the bellows expansion joint is used, the flange 6 on one set of connecting pipe 1 is butt-jointed with the flange 6 on the other set of connecting pipe 1, so that the threaded holes 7 on the two sets of flanges 6 are overlapped, the fixing mechanism 8 is installed, the two sets of fixing rings 801 are all in a semicircular structural design, the two sets of fixing rings 801 are combined to form a circular structural design, the inner structural size of the threaded holes 7 is correspondingly arranged with the inner structural size of the fixing holes 804, the two sets of fixing rings 801 are fixed with the flanges 6 through bolts, the inner structural size of the two sets of fixing grooves 802 is correspondingly arranged with the outer structural size of the two sets of flanges 6, the fixing rings 801 are sleeved outside the flanges 6, the two sets of flanges 6 are clamped inside the fixing grooves 802, the fixing holes 804 are overlapped with the threaded holes 7, the fixing rings are fixed through bolts, when the fixing rings are disassembled, the fixing rings 801 are removed from the flanges 6 through the handles 803, and the fixing rings 801 can be removed from the flanges 6 through the handles 803.

The working flow of the utility model is as follows: when the bellows expansion joint is used, the flanges 6 on one group of connecting pipes 1 are butted with the flanges 6 on the other group of connecting pipes 1, the threaded holes 7 on the two groups of flanges 6 are overlapped, the fixing mechanism 8 is installed, the fixing ring 801 is sleeved on the outer side of the flanges 6, the two groups of flanges 6 are clamped in the fixing grooves 802, the fixing holes 804 are overlapped with the threaded holes 7, the two groups of flanges are fixed through bolts, the bolts are removed when the bolts are detached, the fixing ring 801 is removed from the flanges 6 through the handles 803, the connecting pipes 1 are installed on the other connecting pipes 1, the two groups of connecting ports 101 are aligned and clamped, the connecting ports 101 of the connecting pipes 1 are provided with various connecting sizes, pipelines with different diameters can be connected, and when the bellows expansion joint is used, the fixing rod 4 is matched with the springs 5 to pull the fixing blocks 3 when the bellows 2 is changed in length, so that the transverse change amount of the bellows expansion joint is reduced, and compared with the existing bellows expansion joint, the overall practicality of the bellows expansion joint is improved through design.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a quick change miter joint bellows expansion joint, includes two sets of connecting pipes (1), its characterized in that: the two groups of connecting pipes (1) are internally provided with corrugated pipes (2), the two groups of connecting pipes (1) are arranged on the outer sides of the corrugated pipes and are positioned on the left side and the right side of the corrugated pipes (2), fixing blocks (3) are arranged between the two groups of fixing blocks (3), springs (5) are sleeved on the outer sides of the fixing rods (4), flanges (6) are arranged at openings on the left side and the right side of the connecting pipes (1), a plurality of groups of threaded holes (7) are formed in the flanges (6), and the two groups of connecting pipes (1) are fixed through fixing mechanisms (8);

The fixing mechanism (8) comprises two groups of fixing rings (801), fixing grooves (802) are formed in the fixing rings (801), handles (803) are arranged on the front side and the rear side of the fixing rings (801), and fixing holes (804) are formed in the left side and the right side of the fixing rings (801) and located at corresponding positions of the threaded holes (7).

2. The quick change miter joint bellows expansion joint of claim 1, wherein: two sets of fixed ring (801) all are semicircle ring structural design, two sets of be ring structural design when fixed ring (801) combine, the internal structure size of screw hole (7) is corresponding setting with the internal structure size of fixed orifices (804), two sets of fixed ring (801) all are fixed through bolt and flange (6).

3. The quick change miter joint bellows expansion joint of claim 1, wherein: the fixing rod (4) is fixed between the two groups of fixing blocks (3) through a plurality of groups of screws.

4. The quick change miter joint bellows expansion joint of claim 1, wherein: the outside of handle (803) is provided with a plurality of anti-skidding line (805), and the internal structure size of two sets of fixed slot (802) is corresponding setting with the external structure size of two sets of flanges (6).

5. The quick change miter joint bellows expansion joint of claim 1, wherein: connecting ports (101) are formed in the left side and the right side of the connecting pipe (1) and located in the flange (6), and three interfaces with different sizes are formed in two groups of connecting ports (101).

6. The quick change miter joint bellows expansion joint of claim 1, wherein: the length of the fixed rod (4) is the same as the length of the spring (5) and the length of the corrugated pipe (2).