CN211976246U

CN211976246U - Damping expansion joint for heat supply pipeline

Info

Publication number: CN211976246U
Application number: CN201922415664.5U
Authority: CN
Inventors: 陈杰
Original assignee: Jiangsu Yuyang Machinery And Equipment Co ltd
Current assignee: Jiangsu Yuyang Machinery And Equipment Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-11-20
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a damping expansion joint for heat supply and heating pipelines, which belongs to the technical field of pipeline connection and comprises an expansion connecting piece, wherein the left side and the right side of the expansion connecting piece are respectively provided with an inlet end pipe and an outlet end pipe, the left side and the right side inside the expansion connecting piece are fixedly connected with sealing gaskets, the inner side walls of the two sealing gaskets are respectively and fixedly connected with the outer side walls of the inlet end pipe and the outlet end pipe, one side of the two sealing gaskets opposite to each other is fixedly connected with a plurality of damping and buffering components which are uniformly and symmetrically distributed, the outer side wall of the expansion connecting piece is provided with a sleeve, the left end and the right end of the sleeve are respectively sleeved with the outer side walls of the inlet end pipe and the outlet end pipe, one side of the two sealing gaskets opposite to each other is fixedly connected with a plurality of damping and buffering components, further improving the service life and strength of the expansion joint.

Description

Damping expansion joint for heat supply pipeline

Technical Field

The utility model relates to a pipe connection technical field, in particular to heat supply heating is shock attenuation expansion joint for pipeline.

Background

The expansion joint, also called compensator, can be set on the container or pipeline to compensate the additional stress on the container or pipeline caused by temperature difference, the external pressure axial expansion joint is a common expansion joint, it is made of metal corrugated pipe, and can be extended and contracted along the pipeline axial direction.

The expansion joint for the existing heating pipe does not have the damping action, and conveyed objects in the pipe impact the expansion joint for a long time, so that the service life of the expansion joint is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat supply heating is shock attenuation expansion joint for pipeline aims at solving the expansion joint that current heat supply heating pipeline used and does not have the shock attenuation action, and the transport thing in the pipeline is long-term to assault the expansion joint for the problem that the life of expansion joint reduces.

The utility model discloses a realize like this, a shock attenuation expansion joint for heat supply heating pipe way, including expansion joint spare, expansion joint spare's the left and right sides is provided with inlet end pipe and outlet end pipe respectively, the lateral wall of inlet end pipe and outlet end pipe all with expansion joint spare's inside wall fixed connection, the equal fixedly connected with in the left and right sides of expansion joint spare inside seals up, two sealed inside wall that fills up respectively with the lateral wall fixed connection of inlet end pipe and outlet end pipe, two the sealed buffering damping component who fills up the equal fixedly connected with of a plurality of even symmetric distributions in one side back of the body mutually, expansion joint spare's lateral wall is provided with the sleeve, both ends cup joint with the lateral wall of inlet end pipe and outlet end pipe respectively about telescopic.

In order to improve heating supply pipeline and expansion joint spare sealing performance, conduct the utility model discloses a heating supply pipeline is with preferred, a plurality of damping expansion joint one side that buffering shock attenuation subassembly kept away from sealed pad all with telescopic inside wall fixed connection.

In order to improve the push-and-pull power of bearing the flexible produced of pipeline, conduct the utility model discloses a heat supply is preferred with shock attenuation expansion joint, buffering damper includes two connecting rods and damping device, damping device's upper and lower both ends and connecting rod fixed connection.

For the convenience reduce the stress and the thrust of expansion joint spare inside wall, conduct the utility model discloses a heat supply heating is shock attenuation expansion joint is preferred for pipeline, expansion joint spare's lateral wall is provided with a plurality of evenly distributed's hump, and is a plurality of the hump is provided with the valley between two liang.

In order to improve the shock attenuation nature of expansion joint spare, conduct the utility model discloses a heat supply heating is preferred with shock attenuation expansion joint, a plurality of evenly distributed's of inside fixedly connected with buffering post of valley, it is a plurality of the other end of buffering post all with telescopic inside wall fixed connection.

In order to effectively reduce expansion joint's atress, make expansion joint's life-span improve, conduct the utility model discloses a heat supply heating is preferred for pipeline shock attenuation expansion joint, it is a plurality of the equal swing joint of lateral wall of buffering post has spacing spring, spacing spring is stainless steel with the buffering post.

In order to prevent that external corrosive substance from entering into the sleeve, fall expansion joint spare top, corrode expansion joint spare, make expansion joint spare's life reduce, conduct the utility model discloses a heat supply heating is damping expansion joint is preferred for pipeline, the equal fixedly connected with mounting flange of lateral wall of inlet end pipe and outlet end pipe, two one side that mounting flange is relative all with sleeve fixed connection.

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

1. the damping expansion joint for the heat supply pipeline improves the sealing performance of the heat supply pipeline and the expansion connecting piece by fixedly connecting the outer side walls of the inlet end pipe and the outlet end pipe with the inner side wall of the expansion connecting piece, the sleeve is arranged on the outer side wall of the expansion connecting piece, so that the temperature of the expansion connecting piece is kept balanced, the expansion connecting piece is prevented from changing greatly in temperature difference, the expansion connecting piece is easy to expand with heat and contract with cold, the expansion connecting piece is prevented from leaking with the inlet end pipe and the outlet end pipe, meanwhile, the expansion connecting piece is prevented from being corroded by external corrosive substances, and the protection effect is achieved, the two sides of the two sealing gaskets, which are opposite to each other, are fixedly connected with a plurality of buffer damping assemblies which are uniformly and symmetrically distributed, and the buffer damping assemblies can reduce the stress and the thrust of the expansion connecting piece, so that the damping performance of the expansion connecting piece is improved, and the service life and the strength of the expansion connecting piece are further improved;

2. according to the damping expansion joint for the heat supply heating pipeline, the outer side walls of the plurality of buffer columns are movably connected with the limiting springs, when the expansion connecting piece is subjected to external pressure or impact force inside the expansion connecting piece, the stress of the expansion connecting piece can be effectively reduced, the service life of the expansion connecting piece is prolonged, two sides of the sealing gasket are respectively fixedly connected with the damping buffer component and the sleeve, when the left side and the right side of the expansion connecting piece are subjected to stress and thrust of the inlet end pipe and the outlet end pipe, the sealing gasket plays a fixing role, meanwhile, the damping buffer component plays a damping role, the expansion connecting piece is prevented from being separated from the inlet end pipe and the outlet end pipe, and the sealing performance of the heat supply pipeline and the expansion connecting piece is improved;

3. this kind of damping expansion joint for heat supply heating pipe says through the equal fixedly connected with mounting flange of lateral wall at inlet end pipe and outlet end pipe, and the mounting flange of setting plays sealed effect, prevents that external corrosive substance from entering into in the sleeve, falls to the expansion joint spare top, corrodes the expansion joint spare, makes the life reduction of expansion joint spare.

Drawings

FIG. 1 is an overall structure diagram of a damping expansion joint for a heat supply pipeline of the present invention;

FIG. 2 is an internal structure view of a damping expansion joint for a heat supply pipe of the present invention;

FIG. 3 is a schematic view of the shock absorbing assembly of the present invention;

in the figure: 1. an inlet end pipe; 2. an outlet end pipe; 3. an expansion connection; 301. convex peaks; 302. a valley; 4. a gasket; 5. a cushioning shock assembly; 501. a connecting rod; 502. a damping device; 6. a fixed flange; 7. a sleeve; 8. a buffer column; 801. and a limiting spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a heat supply heating is shock attenuation expansion joint for pipeline, including expansion joint spare 3, expansion joint spare 3's the left and right sides is provided with inlet end pipe 1 and outlet end pipe 2 respectively, inlet end pipe 1 and outlet end pipe 2's lateral wall all with expansion joint spare 3's inside wall fixed connection, the equal fixedly connected with in the left and right sides of expansion joint spare 3 inside seals up 4, two sealed inside walls that fill up 4 respectively with inlet end pipe 1 and outlet end pipe 2's lateral wall fixed connection, two sealed buffer damping component 5 that the equal fixedly connected with in one side that 4 carried on the back mutually had a plurality of even symmetric distributions in one side, expansion joint spare 3's lateral wall is provided with sleeve 7, both ends cup joint with inlet end pipe 1 and outlet end pipe 2's lateral wall respectively about sleeve.

In this embodiment: the outer side walls of the inlet end pipe 1 and the outlet end pipe 2 are fixedly connected with the inner side wall of the expansion connecting piece 3, so that the sealing performance of the heat supply pipeline and the expansion connecting piece 3 is improved, the sleeve 7 is arranged on the outer side wall of the expansion connecting piece 3, so that the temperature of the expansion connecting piece 3 is kept balanced, the expansion connecting piece 3 is prevented from being expanded with heat and contracted with cold easily due to large temperature difference change of the expansion connecting piece 3, the expansion connecting piece 3 is prevented from leaking with the inlet end pipe 1 and the outlet end pipe 2, meanwhile, the expansion connecting piece 3 is prevented from being corroded by external corrosive substances, and a protection effect is achieved, the equal fixedly connected with a plurality of even symmetric distribution's of one side that back on the back mutually of two sealed pads 4 buffering damper assembly 5, buffering damper assembly 5 can reduce the stress and the thrust of expansion joint spare 3, makes expansion joint spare 3 damping performance improve, further makes expansion joint spare 3's life and intensity improve.

As a technical optimization scheme of the utility model, the one side that sealed 4 was kept away from to a plurality of buffering damper assembly 5 all with sleeve 7's inside wall fixed connection.

In this embodiment: through the both sides that will seal up 4 respectively with buffering damper assembly 5 and sleeve 7 fixed connection, when the left and right sides of expansion joint spare 3 receives the stress and the thrust of import end pipe 1 and export end pipe 2, sealed 4 plays the fixed action, simultaneously, buffering damper assembly 5 plays the cushioning effect, prevents expansion joint spare 3 and import end pipe 1 and export end pipe 2 separation, has improved heating supply pipeline and 3 sealing performance of expansion joint spare.

As a technical optimization scheme of the utility model, buffering damper 5 includes two connecting rods 501 and damping device 502, damping device 502's upper and lower both ends and connecting rod 501 fixed connection.

In this embodiment: by fixedly connecting the upper and lower ends of the damping device 502 with the connecting rod 501, the left and right sides of the expansion connecting piece 3 are stressed and thrust, so that the damping performance of the expansion connecting piece 3 is improved, and the push-pull force generated by the expansion of the pipeline is improved.

As a technical optimization scheme of the utility model, the lateral wall of expansion joint spare 3 is provided with a plurality of evenly distributed's hump 301, and a plurality of humps 301 are provided with valley 302 between two liang.

In this embodiment: the outer side wall of the expansion connecting piece 3 is provided with a plurality of uniformly distributed convex peaks 301 and concave valleys 302, and an expansion joint compensation variable method is utilized, so that the stress and the thrust of the inner side wall of the expansion connecting piece 3 are reduced conveniently.

As a technical optimization scheme of the utility model, a plurality of evenly distributed's of the inside fixedly connected with buffering post 8 of valley 302, the other end of a plurality of buffering posts 8 all with sleeve 7's inside wall fixed connection.

In this embodiment: by fixedly connecting a plurality of evenly distributed cushion columns 8 inside the valleys 302, the cushion columns 8 can improve the shock absorption of the expansion joint 3.

As a technical optimization scheme of the utility model, the equal swing joint of lateral wall of a plurality of buffering post 8 has spacing spring 801, and spacing spring 801 and buffering post 8 are stainless steel.

In this embodiment: through the equal swing joint spacing spring 801 of lateral wall at a plurality of bumping posts 8, when expansion joint spare 3 received external pressure or the inside impact force of expansion joint spare 3, can effectively reduce expansion joint spare 3's atress, make expansion joint spare 3's life-span improve.

As a technical optimization scheme of the utility model, the equal fixedly connected with mounting flange 6 of lateral wall of inlet end pipe 1 and outlet end pipe 2, one side that two mounting flange 6 are relative all with sleeve 7 fixed connection.

In this embodiment: through the equal fixedly connected with mounting flange 6 of lateral wall at inlet end pipe 1 and outlet end pipe 2, mounting flange 6 of setting plays sealed effect, prevents that external corrosive substance from entering into sleeve 7 in, falling expansion joint spare 3 top, corrodes expansion joint spare 3, makes expansion joint spare 3's life reduce.

The working principle is as follows: firstly, the outer side walls of an inlet end pipe 1 and an outlet end pipe 2 are fixedly connected with the inner side wall of an expansion connecting piece 3, the sealing performance of a heat supply pipeline and the expansion connecting piece 3 is improved, a sleeve 7 is arranged on the outer side wall of the expansion connecting piece 3, the temperature of the expansion connecting piece 3 is kept balanced, the temperature difference change of the expansion connecting piece 3 is prevented from being large, the expansion connecting piece 3 is easy to expand with heat and contract with cold, the expansion connecting piece 3 is easy to leak with the inlet end pipe 1 and the outlet end pipe 2, meanwhile, the expansion connecting piece 3 is prevented from being corroded by external corrosive substances, the protection effect is achieved, a plurality of buffer damping components 5 which are uniformly and symmetrically distributed are fixedly connected on the opposite sides of two sealing gaskets 4, the buffer damping components 5 can reduce the stress and the thrust of the expansion connecting piece 3, the damping performance of the expansion connecting piece 3 is improved, the service life and, the outer side walls of the buffer columns 8 are movably connected with the limiting springs 801, and when the expansion connecting piece 3 is subjected to external pressure or impact force inside the expansion connecting piece 3, the stress of the expansion connecting piece 3 can be effectively reduced.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a heating is shock attenuation expansion joint for pipeline, includes expansion joint spare (3), its characterized in that: the left and right sides of inflation connecting piece (3) is provided with inlet end pipe (1) and outlet end pipe (2) respectively, the lateral wall of inlet end pipe (1) and outlet end pipe (2) all with the inside wall fixed connection of inflation connecting piece (3), the equal fixedly connected with of the left and right sides of inflation connecting piece (3) inside seals up (4), two the inside wall that seals up (4) respectively with the lateral wall fixed connection of inlet end pipe (1) and outlet end pipe (2), two the equal fixedly connected with of one side that seals up (4) mutually the back on the back has a plurality of even symmetric distribution's buffering damper assembly (5), the lateral wall of inflation connecting piece (3) is provided with sleeve (7), both ends cup joint with the lateral wall of inlet end pipe (1) and outlet end pipe (2) respectively about sleeve (7).

2. A thermal heating pipe damping expansion joint as set forth in claim 1, wherein: a plurality of one side of the buffering and damping component (5) far away from the sealing gasket (4) is fixedly connected with the inner side wall of the sleeve (7).

3. A thermal heating pipe damping expansion joint as set forth in claim 1, wherein: the buffering and damping assembly (5) comprises two connecting rods (501) and a damping device (502), and the upper end and the lower end of the damping device (502) are fixedly connected with the connecting rods (501).

4. A thermal heating pipe damping expansion joint as set forth in claim 1, wherein: the outer side wall of the expansion connecting piece (3) is provided with a plurality of convex peaks (301) which are uniformly distributed, and valleys (302) are arranged between every two convex peaks (301).

5. A thermal heating pipe damping expansion joint as set forth in claim 4, wherein: the inside fixedly connected with of valley (302) a plurality of evenly distributed's cushion column (8), it is a plurality of the other end of cushion column (8) all with the inside wall fixed connection of sleeve (7).

6. A thermal heating pipe damping expansion joint as set forth in claim 5, wherein: the outer side wall of the buffer column (8) is movably connected with a limiting spring (801), and the limiting spring (801) and the buffer column (8) are made of stainless steel.

7. A thermal heating pipe damping expansion joint as set forth in claim 1, wherein: the outer side walls of the inlet end pipe (1) and the outlet end pipe (2) are fixedly connected with fixing flanges (6), and one sides, opposite to the fixing flanges (6), are fixedly connected with the sleeve (7).