CN218625966U

CN218625966U - Block type expansion joint

Info

Publication number: CN218625966U
Application number: CN202222675429.3U
Authority: CN
Inventors: 吴殿义; 王禁非; 张丹
Original assignee: Liaoning Weiyang Machinery Co ltd
Current assignee: Liaoning Weiyang Machinery Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-14
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to the technical field of expansion joints, in particular to a baffle type expansion joint, which comprises an expansion pipe, wherein corrugated pipes are fixedly arranged at the two ends of the expansion pipe, baffle blocks are fixedly arranged at the two ends of the corrugated pipes respectively, a connecting pipe is fixedly arranged at one end of each baffle block, which is far away from the corrugated pipes, the middle parts of the baffle blocks are communicated, the baffle blocks are respectively communicated with the corrugated pipes and the connecting pipe, and a connecting rod is arranged between the two baffle blocks; a mounting plate is fixedly arranged at one end of the connecting pipe, which is far away from the stop block, and a plurality of mounting holes are formed in the mounting plate; the bottom of the telescopic pipe is provided with a bottom plate, and the stop block is connected with the bottom plate in a sliding mode. The utility model discloses a slider cooperation on spout in the bottom plate and the dog can play the supporting role to whole telescopic joint, strengthens the stability of telescopic joint, and when the bellows atress was flexible, the dog can slide in the spout through the slider, and the spring that sets up helps carrying on spacingly to the slider.

Description

Stop block type expansion joint

Technical Field

The utility model relates to a telescopic joint technical field specifically is block type telescopic joint.

Background

The expansion joint can be also called as a compensator or an expansion device generally and is commonly used in a pipeline to compensate and absorb expansion deformation caused by axial, transverse and angular heating of the pipeline, and simultaneously can also absorb equipment vibration and reduce the influence of the equipment vibration on the pipeline; the telescopic joint can be generally divided into a corrugated telescopic joint, a sleeve telescopic joint and a square natural compensation telescopic joint, wherein the corrugated telescopic joint also comprises a stop block telescopic joint.

At present, the expansion joint is generally arranged between two sections of pipelines, and corresponding expansion deformation can be carried out when the pipelines vibrate so as to reduce the influence on the pipelines, but the bottom of some existing expansion joints is really supported by the structure after the expansion joint is arranged, and the stability of the joint of the expansion joint can be influenced after the expansion times are too many. Therefore, we improve this and propose a block type expansion joint.

SUMMERY OF THE UTILITY MODEL

The utility model provides a block type expansion joint, which comprises an expansion pipe, wherein corrugated pipes are fixedly arranged at the two ends of the expansion pipe, stop blocks are fixedly arranged at the two ends of the corrugated pipes respectively, a connecting pipe is fixedly arranged at one end of each stop block, which is far away from the corrugated pipes, the middle parts of the stop blocks are communicated, the stop blocks are respectively communicated with the corrugated pipes and the connecting pipe, and a connecting rod is arranged between the two stop blocks; a mounting plate is fixedly arranged at one end of the connecting pipe, which is far away from the stop block, and a plurality of mounting holes are formed in the mounting plate; the bottom of the telescopic pipe is provided with a bottom plate, and the stop block is connected with the bottom plate in a sliding mode.

As a preferred technical scheme of the utility model, the spout has been seted up to the top surface of bottom plate, the fixed slider that is provided with in bottom surface of dog, and slider and spout sliding connection.

As a preferred technical scheme of the utility model, be provided with the spring in the spout, the equal fixedly connected with connecting block in both ends of spring, one of them the inner wall fixed connection of connecting block and spout, another the side fixed connection of connecting block and slider.

As a preferred technical scheme of the utility model, the four corners of dog all runs through and has seted up a big screw and a little screw, the both ends of connecting rod all run through big screw, and the both ends surface of connecting rod has all seted up the external screw thread.

As a preferred technical scheme of the utility model, the surface cover of connecting rod is equipped with two nuts, and is located and is provided with the limiting plate between two nuts.

As a preferred technical solution of the present invention, the limiting plate is provided with two through holes, and an end of the limiting plate is sleeved on the connecting rod; and a bolt is sleeved at the other end of the limiting plate and is positioned in the small screw hole.

The beneficial effects of the utility model are that: through the cooperation of the sliding blocks on the sliding groove in the bottom plate and the check block, the supporting effect can be played on the whole telescopic joint, the stability of the telescopic joint is enhanced, when the corrugated pipe is stressed to stretch, the check block can slide in the sliding groove through the sliding block, and the set spring is beneficial to limiting the sliding block.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the block type telescopic joint of the present invention;

FIG. 2 is a schematic view of a partial structure of the block type telescopic joint of the present invention;

FIG. 3 is an enlarged view at A in FIG. 1;

fig. 4 is an enlarged view at B in fig. 1.

In the figure: 1. a telescopic pipe; 2. a bellows; 3. a connecting pipe; 4. a stopper; 5. mounting a plate; 6. mounting holes; 7. a connecting rod; 8. a base plate; 9. a chute; 10. a slider; 11. a spring; 12. connecting blocks; 13. a nut; 14. a limiting plate; 15. and (4) bolts.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Example (b): as shown in fig. 1 to 4, the block type expansion joint of the present invention comprises a telescopic pipe 1, wherein corrugated pipes 2 are fixed at both ends of the telescopic pipe 1, and the corrugated pipes 2 have a telescopic function for absorbing an acting force and prolonging the service life of a connecting pipeline. The both ends of bellows 2 are fixed respectively and are provided with dog 4, and the one end that bellows 2 was kept away from to dog 4 is fixed and is provided with connecting pipe 3, and dog 4 middle part link up and dog 4 is linked together with bellows 2 and connecting pipe 3 respectively, and is provided with connecting rod 7 between two dog 4. Dog 4 plays the effect of connecting, and connecting rod 7 plays the effect of reinforcing stability, plays spacing effect to the structure between two dogs 4 simultaneously.

A mounting plate 5 is fixedly arranged at one end of the connecting pipe 3 far away from the stop block 4, and a plurality of mounting holes 6 are formed in the mounting plate 5; the bottom of the extension tube 1 is provided with a bottom plate 8, and the stop block 4 is connected with the bottom plate 8 in a sliding way. The mounting plate 5 is used for being connected with the pipeline, and the link of pipeline also is provided with mounting plate 5, passes mounting hole 6 on two mounting plates 5 through with fastening bolt, fixes mounting plate 5 to be connected telescopic joint and pipeline.

The top surface of the bottom plate 8 is provided with a sliding groove 9, the bottom surface of the stop block 4 is fixedly provided with a sliding block 10, and the sliding block 10 is connected with the sliding groove 9 in a sliding manner. Be provided with spring 11 in the spout 9, the equal fixedly connected with connecting block 12 in both ends of spring 11, one of them connecting block 12 and the inner wall fixed connection of spout 9, another connecting block 12 and the side fixed connection of slider 10.

When the telescopic joint atress is flexible, bellows 2 that is located between two dog 4 can carry out corresponding flexible, and at flexible in-process, the slider 10 that is located 4 bottom surfaces of dog can slide along spout 9, can drive spring 11 at the gliding in-process of slider 10 and stretch out and draw back, and spring 11 plays connection and spacing effect to slider 10, and connecting block 12 then plays the effect of connecting to spring 11.

The four corners of dog 4 all runs through and has seted up a big screw and a little screw, and big screw is all run through at the both ends of connecting rod 7, and the external screw thread has all been seted up on the both ends surface of connecting rod 7. The surface of the connecting rod 7 is sleeved with two nuts 13, and a limiting plate 14 is arranged between the two nuts 13. Two through holes are formed in the limiting plate 14, and one end of the limiting plate 14 is sleeved on the connecting rod 7; the other end of the limiting plate 14 is sleeved with a bolt 15, and the bolt 15 is located in the small screw hole.

In the installation process, two ends of the connecting rod 7 can penetrate through the two large screw holes respectively, one nut 13 is screwed on the connecting rod 7, then the limiting plate 14 is sleeved on the connecting rod 7, the other nut 13 is screwed on the connecting rod 7, then a through hole in the limiting plate 14 is aligned with the small screw hole, and the bolt 15 penetrates through the through hole and the small screw hole to limit and fix the limiting plate 14.

When the pipeline fixing device works, two ends of the mounting plate 5 are fixed with the mounting plate on the pipeline, so that the bottom plate 8 is positioned on a plane, the bottom plate 8 is provided with fixing holes (not shown in the figure), and the bottom plate 8 can be fixed by matching the fixing holes with the existing structures such as bolts and the like, so that the stability of the bottom plate 8 is enhanced; pass big screw with the both ends of connecting rod 7, and it is fixed through nut 13, nut 13 cover is established when connecting rod 7 should make the distance between the nut 13 that connecting rod 7 both ends are close to each other be greater than the distance between bellows 2, thereby be bellows 2's flexible headspace, through set up limiting plate 14 between two nut 13, can prevent that nut 13 from all coming off from connecting rod 7, thereby play limiting displacement for bellows 2's flexible through connecting rod 7, when bellows 2 is flexible, the slider 10 of dog 4 bottom surface can slide in spout 9, can drive spring 11 and carry out corresponding flexible when slider 10 slides, can play connection and spacing effect to slider 10 through spring 11, bottom plate 8 through the setting can play the supporting role when bellows 2 is flexible, thereby can strengthen the stability of bellows 2.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The stop block type expansion joint comprises an expansion pipe (1) and is characterized in that corrugated pipes (2) are fixedly arranged at two ends of the expansion pipe (1), stop blocks (4) are fixedly arranged at two ends of each corrugated pipe (2) respectively, a connecting pipe (3) is fixedly arranged at one end, away from the corrugated pipes (2), of each stop block (4), the middle parts of the stop blocks (4) are communicated, the stop blocks (4) are communicated with the corrugated pipes (2) and the connecting pipes (3) respectively, and a connecting rod (7) is arranged between the two stop blocks (4); a mounting plate (5) is fixedly arranged at one end of the connecting pipe (3) far away from the stop block (4), and a plurality of mounting holes (6) are formed in the mounting plate (5); the bottom of the telescopic pipe (1) is provided with a bottom plate (8), and the stop block (4) is connected with the bottom plate (8) in a sliding manner.

2. The block type telescopic joint according to claim 1, wherein a sliding groove (9) is formed in the top surface of the bottom plate (8), a sliding block (10) is fixedly arranged on the bottom surface of the block (4), and the sliding block (10) is slidably connected with the sliding groove (9).

3. A block type telescopic joint according to claim 2, wherein a spring (11) is provided in the sliding groove (9), both ends of the spring (11) are fixedly connected with connecting blocks (12), one of the connecting blocks (12) is fixedly connected with the inner wall of the sliding groove (9), and the other connecting block (12) is fixedly connected with the side surface of the sliding block (10).

4. The block type telescopic joint according to claim 1, wherein a large screw hole and a small screw hole are formed through each of four corners of the block (4), both ends of the connecting rod (7) are formed through the large screw holes, and both end surfaces of the connecting rod (7) are formed with external threads.

5. A block expansion joint according to claim 4, wherein the surface of the connecting rod (7) is sleeved with two nuts (13) and a limiting plate (14) is arranged between the two nuts (13).

6. The spacer-type telescopic joint according to claim 5, wherein the limiting plate (14) is provided with two through holes, and one end of the limiting plate (14) is sleeved on the connecting rod (7); the other end of the limiting plate (14) is sleeved with a bolt (15), and the bolt (15) is located in the small screw hole.