High-temperature compound ripple compensator

Abstract

The utility model discloses a high-temperature compound corrugated compensator, which relates to the technical field of compensators and comprises an inner connecting pipe. The number of the inner connecting pipes is two, the two inner connecting pipes are oppositely arranged, and then a sleeve and a sliding pipe are welded to the adjacent ends of the two inner connecting pipes correspondingly. A sealing corrugated pipe is welded on the sleeve, and the other end of the sealing corrugated pipe is welded on the corresponding inner connecting pipe; an outer corrugated pipe is arranged on the outer side of the sleeve; according to the utility model, the two inner connecting pipes respectively drive the sleeve and the sliding pipe to move, the sealing corrugated pipe can make up a gap between the sleeve and the sliding pipe, heat is prevented from overflowing, and the outer corrugated pipe on the outer side can stretch out and draw back for compensation, and meanwhile, the heat is further sealed.

Description

TECHNICAL FIELD

[0001] The utility model relates specifically to compensator technical field, specifically it is a high temperature compound corrugated compensator. BACKGROUND

[0002] The compensator is also called expansion joint or expansion joint. The working main body of the compensator is composed of a corrugated pipe (a kind of elastic element) and end pipe, support, flange, guide pipe and other accessories. It belongs to a kind of compensation element. The effective telescopic deformation of the working main body corrugated pipe is used to absorb the size change of pipeline, guide pipe, container and the like caused by thermal expansion and cold shrinkage or compensate the axial, lateral and angular displacement of pipeline, guide pipe and container. It can also be used for noise reduction and vibration reduction. It is widely used in modern industry. In heat supply, in order to prevent the deformation or damage of pipeline caused by thermal elongation or temperature stress when the heating pipeline is heated, compensator needs to be arranged on the pipeline to compensate the thermal elongation of the pipeline, thereby reducing the stress of the pipe wall and the force acting on the valve or support structure.

[0003] Chinese utility model publication number CN 212616920 U discloses a kind of high-temperature compound free type expansion joint, including compensator, fixed pipe and inner cavity, the surface of the fixed pipe is fixedly installed with temperature detector, the both ends of the fixed pipe are fixedly installed with compensator, the inside of the compensator is fixedly installed with corrugated pipe, the surface of the both ends of the compensator is fixedly installed with lifting ring, the both sides of the compensator are fixedly installed with fixed ring, and the inside of fixed ring is movably installed with threaded rod, the top of the compensator is fixedly installed with receiving table, the bottom of the compensator is fixedly installed with fixed seat, the inside of the fixed pipe and compensator is provided with inner cavity;

[0004] The above-mentioned kind of high-temperature compound free type expansion joint is by the surface of fixed pipe fixedly installed with temperature detector, adjusts corrugated pipe by observing the change of temperature detector, but, single layer setting corrugated pipe, when temperature is higher, temperature will be conducted to outside, so surrounding environment will heat up;For this purpose, we provide a kind of high-temperature compound corrugated compensator, by being provided with a layer of outer corrugated pipe on the outside of sleeve pipe and sliding tube, to further preserve the temperature of inside, avoid leakage, to effectively make up the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-temperature compound corrugated compensator to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A high-temperature compound corrugated compensator, comprising inner connecting pipes, the inner connecting pipes are provided in two and oppositely arranged, and the adjacent ends of the two inner connecting pipes are respectively welded with a sleeve pipe and a sliding pipe, a sealing corrugated pipe is welded on the sleeve pipe, the other end of the sealing corrugated pipe is welded on the corresponding inner connecting pipe, and an outer corrugated pipe is arranged on the outer side of the sleeve pipe.

[0008] As a further technical scheme of the utility model, a plurality of protruding ears are welded on the outer sides of the two inner connecting pipes, a screw rod is fixed on the protruding ears on the outer side of one of the inner connecting pipes through a nut, and the screw rod is slidably connected on the protruding ears on the outer side of the other inner connecting pipe.

[0009] As a further technical scheme of the utility model, limit rings are welded on the inner side of the sleeve pipe and the outer side of the sliding pipe, and the two limit rings are slidably clamped.

[0010] As a further technical scheme of the utility model, the two ends of the outer corrugated pipe are respectively welded with the outer bearing frames on the two sides.

[0011] As a further technical scheme of the utility model, the two outer bearing frames are respectively welded on the corresponding inner connecting pipes, and a plurality of locking buckles are movably connected on the inner connecting pipes through pivots.

[0012] As a further technical scheme of the utility model, the plurality of locking buckles are arranged in an annular array along the central axis of the corresponding inner connecting pipe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The two inner connecting pipes drive the sleeve pipe and the sliding pipe to move respectively, the sealing corrugated pipe can compensate the gap between the sleeve pipe and the sliding pipe, heat overflow is avoided, the outer corrugated pipe on the outer side can be expanded and contracted to compensate, and heat is further closed.

[0015] 2. The protruding ears on one of the inner connecting pipes fix the screw rod, the protruding ears on the other inner connecting pipe facilitate the sliding connection of the screw rod, and play a guiding role.

[0016] 3. The two limit rings play a limiting role, prevent the sliding pipe from sliding out of the sleeve pipe, and compensate the maximum pressure. DRAWINGS

[0017] Figure 1 It is a schematic diagram of the utility model.

[0018] Figure 2 It is a right view of the utility model. Figure 1

[0019] ​Figure 3 is a sectional view of A-A in the utility model Figure 2 .

[0020] Figure 4 is a local enlarged view of B in the utility model Figure 3 .

[0021] In the figure: 1 - sleeve, 2 - sealed corrugated pipe, 3 - sliding pipe, 4 - limit ring, 5 - inner connecting pipe, 6 - outer carrier, 7 - locking buckle, 8 - outer corrugated pipe, 9 - protruding ear, 10 - screw rod. DETAILED DESCRIPTION

[0022] 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 scope of protection of the utility model.

[0023] Please refer to Figures 1-4 , in the embodiments of the utility model, a high-temperature compound corrugated compensator, including inner connecting pipe 5, the inner connecting pipe 5 is provided with two, and two inner connecting pipes 5 are oppositely arranged, and then, one end of two inner connecting pipes 5 adjacent is respectively welded with sleeve 1 and sliding pipe 3, the sleeve 1 is welded with sealed corrugated pipe 2, the other end of the sealed corrugated pipe 2 is welded on the corresponding inner connecting pipe 5, the outer side of the sleeve 1 is provided with outer corrugated pipe 8.

[0024] By adopting the above technical scheme, two inner connecting pipes 5 drive sleeve 1 and sliding pipe 3 to move respectively, sealed corrugated pipe 2 can make up the gap between sleeve 1 and sliding pipe 3, avoid heat overflow, and outer corrugated pipe 8 on the outer side can be extended and contracted to compensate, and further seal heat.

[0025] In the embodiment, the outer side of two inner connecting pipes 5 is welded with a plurality of protruding ears 9, and the protruding ear 9 on the outer side of one of the inner connecting pipes 5 is fixed with screw rod 10 through a nut, and the protruding ear 9 on the outer side of the other inner connecting pipe 5 is slidably connected with screw rod 10.

[0026] By adopting the above technical scheme, the protruding ear 9 on one of the inner connecting pipes 5 plays a fixing role for screw rod 10, and the protruding ear 9 on the other inner connecting pipe 5 facilitates the sliding connection of screw rod 10, playing a guiding role.

[0027] In the embodiment, the inner side of sleeve 1 and the outer side of sliding pipe 3 are both welded with limit ring 4, and two limit rings 4 are slidably clamped.

[0028] By adopting the technical scheme, the two limiting rings 4 play a limiting role, prevent the sliding pipe 3 from sliding out of the sleeve pipe 1, and compensate for the maximum value of pressure.

[0029] In the embodiment, the two ends of the outer bellows 8 are welded to the two outer bearing frames 6 respectively.

[0030] Further, the two outer bearing frames 6 are welded to the corresponding inner connecting pipes 5 respectively, and the inner connecting pipes 5 are movably connected with a plurality of locking buckles 7 through rotating shafts.

[0031] Further, the plurality of locking buckles 7 are arranged in an annular array along the central axis of the corresponding inner connecting pipe 5.

[0032] By adopting the technical scheme, the two outer bearing frames 6 play a supporting role on the outer bellows 8, and the locking buckles 7 on the inner connecting pipes 5 can quickly connect the pipelines, and the use is more convenient.

[0033] The working principle of the utility model is: when in use, the two inner connecting pipes 5 drive the sleeve pipe 1 and the sliding pipe 3 to move respectively, the sealing bellows 2 can compensate for the gap between the sleeve pipe 1 and the sliding pipe 3, avoid the overflow of heat, the outer bellows 8 on the outside can be telescopic compensation, and further close the heat at the same time; the protruding ears 9 on one inner connecting pipe 5 play a fixing role on the screw rod 10, the protruding ears 9 on the other inner connecting pipe 5 facilitate the sliding connection of the screw rod 10, and play a guiding role; the two limiting rings 4 play a limiting role, prevent the sliding pipe 3 from sliding out of the sleeve pipe 1, and compensate for the maximum value of pressure; the two outer bearing frames 6 play a supporting role on the outer bellows 8, and the locking buckles 7 on the inner connecting pipes 5 can quickly connect the pipelines, and the use is more convenient.

[0034] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims involved.

[0035] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A high temperature compound bellows compensator characterized by: The utility model relates to a kind of double-layered pipe connecting device, including inner connecting pipe (5);The inner connecting pipe (5) described is provided with two, and two inner connecting pipes (5) are oppositely arranged, and then, the adjacent end of two inner connecting pipes (5) is respectively welded with sleeve (1) and sliding pipe (3);The sleeve (1) is welded with sealing bellow (2) on, and the other end of sealing bellow (2) is welded on corresponding inner connecting pipe (5);The outside of sleeve (1) is provided with outer bellow (8).

2. A high temperature compound corrugated compensator according to claim 1, characterized in that: The outside of two described inner connecting pipes (5) is welded with multiple protruding ears (9), and nut fixed screw rod (10) is passed through protruding ear (9) on the outside of one inner connecting pipe (5), and screw rod (10) is slidably connected on the outside of another inner connecting pipe (5) of protruding ear (9).

3. A high temperature compound corrugated compensator according to claim 1, characterized in that: The inside of sleeve (1) and the outside of sliding pipe (3) are welded with limit ring (4), and two limit rings (4) are slidably clamped.

4. A high temperature compound corrugated compensator according to claim 1, characterized in that: The two ends of the outer bellow (8) are respectively welded with the outer bearing frame (6) on both sides.

5. A high temperature compound corrugated compensator according to claim 4, characterized in that: Two described outer bearing frames (6) are respectively welded on corresponding inner connecting pipe (5), and multiple locking buckles (7) are movably connected on inner connecting pipe (5) by rotating shaft.

6. A high temperature compound corrugated compensator according to claim 5, characterized in that: Multiple described locking buckles (7) are annularly arranged along the central axis of corresponding inner connecting pipe (5).

Images