Expansion joint device

Abstract

The utility model provides an expansion joint device which comprises a fixed pipe section and a pair of corrugated pipes connected with the two ends of the fixed pipe section respectively, the two corrugated pipes are further connected with first connecting rings respectively, and the two first connecting rings are used for being connected with pipelines respectively. Wherein the fixed pipe section is further fixedly connected with a leading-in pipe communicated with the fixed pipe section, the leading-in pipe is further detachably connected with an end socket, and the end socket is provided with a head portion which penetrates through the leading-in pipe and extends into the fixed pipe section. The corrugated pipe cleaning device solves the problem that in the prior art, cleaning in the corrugated pipe is complex, and use is not economical.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion joint equipment, in particular to an expansion joint device. Background Art

[0002] An expansion joint is a type of joint used to connect two pipe sections. It typically includes connecting rings at both ends for connecting to the pipes, and a deformable structure in the middle, which can be a bellows. The bellows' effective expansion and contraction allows it to absorb dimensional changes caused by thermal expansion and contraction. In actual use, the bellows contain folds, which can easily form material deposits after a period of use (for example, when used to transport fluid containing particles, some particles may be deposited within the folds due to sedimentation). Therefore, cleaning is necessary. However, conventional methods require disassembly and cleaning, which is complex and requires reinstallation. This is time-consuming and labor-intensive, resulting in low maintenance efficiency and high maintenance costs, making it uneconomical. Utility Model Content

[0003] In view of the deficiencies in the prior art, the present invention provides an expansion joint device, which solves the problem in the prior art that cleaning inside the bellows is complicated and thus uneconomical.

[0004] According to an embodiment of the present utility model, an expansion joint device includes a fixed pipe section and a pair of bellows respectively connected to the two ends of the fixed pipe section, the two bellows are also respectively connected to a first connecting ring, and the two first connecting rings are respectively used to connect pipelines; wherein, the fixed pipe section is also fixedly connected to an inlet pipe communicating therewith, and the inlet pipe is also detachably connected to a head, and the head has a head that passes through the inlet pipe and extends into the fixed pipe section.

[0005] In the above embodiment, after the head is removed, the introduction tube is opened, and then a tool can be inserted through the introduction tube for cleaning, such as a straw, to adsorb and clean the inside of the bellows by means of negative pressure, and then the head can be reinstalled. The overall efficiency can be further improved, solving the problem in the prior art that cleaning the inside of the bellows is complicated and uneconomical.

[0006] Furthermore, the head is semi-arc-shaped and the outer edge of the semi-arc is connected to the inner wall of the fixed pipe section.

[0007] Furthermore, the inlet pipe includes a connecting section and a threaded section, wherein the connecting section is connected to the fixed pipe section, the head includes a screw section threadedly matched with the threaded section and a sliding section slidingly matched with the connecting section, and the head is connected to the sliding section.

[0008] Furthermore, the screw segment is also connected to a rotating head located outside the introduction tube.

[0009] Furthermore, a second connecting ring is connected to the end of the pipeline, and the two second connecting rings are respectively docked with the two first connecting rings and connected by long rod bolts.

[0010] Furthermore, the two ends of the corrugated pipe are respectively fixedly connected with a first connecting sleeve and a second connecting sleeve, the first connecting sleeve is arranged outside the end of the fixed pipe section, and the second connecting sleeve is connected to the first connecting ring.

[0011] Furthermore, the first connecting sleeve is connected to the fixed pipe section through a plurality of first screws.

[0012] Furthermore, the second connecting sleeve is connected to the first connecting ring through a plurality of second screws.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] By setting a fixed pipe section between the two sections of the bellows and setting an inlet pipe on the fixed pipe section, the bellows can be cleaned with tools after the inlet pipe is opened, which is more efficient and the overall efficiency can be further improved, solving the problem in the existing technology that cleaning the bellows is more complicated and makes it uneconomical to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0016] Figure 2 for Figure 1 A magnified schematic diagram of the local structure at center A;

[0017] In the above drawings:

[0018] Fixed pipe section 1, bellows 2, first connecting ring 3, pipeline 4, inlet pipe 5, head 6, head 7, second connecting ring 8, long rod bolt 9, screw section 10, sliding section 11, rotating head 12, first connecting sleeve 13, second connecting sleeve 14, first screw 15, second screw 16. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0021] like Figure 1 、 2 As shown, this embodiment provides an expansion joint device, which includes a fixed pipe section 1 and a pair of bellows 2 respectively connected to the two ends of the fixed pipe section 1, the two bellows 2 are also respectively connected to a first connecting ring 3, and the two first connecting rings 3 are respectively used to connect the pipes 4; wherein, the fixed pipe section 1 is also fixedly connected to an inlet pipe 5 connected thereto, and the inlet pipe 5 is also detachably connected to a head 6, which has a head 7 that passes through the inlet pipe 5 and extends into the fixed pipe section 1, and the two pipes 4 to be connected can be connected to a second connecting ring 8 docked with the first connecting ring 3, and then connected by a long rod bolt 9, which is similar to the connection method in the prior art, except that a fixed pipe section 1 is also provided in the middle of the bellows 2 in this scheme.

[0022] In the above embodiment, after the head 6 is removed, the inlet pipe 5 is opened, and then a tool can be inserted through the inlet pipe 5 for cleaning, such as a straw can be used, and the straw is connected to a suction device, such as an exhaust fan, and the straw is extended into the bellows 2. The exhaust fan is turned on, and the bellows 2 can be adsorbed and cleaned by negative pressure, and then the head 6 can be reinstalled. The overall efficiency can be further improved, and the problem that the cleaning inside the bellows 2 in the prior art is more complicated and uneconomical to use is solved; the head 7 is set to extend into the fixed pipe section 1, which can prevent the material from falling into the inlet pipe 5. At the same time, the head 7 is semi-arc-shaped and the outer edge of the semi-arc is connected to the inner wall of the fixed pipe section 1, avoiding a large gap at the connection point that causes the material to be stuck.

[0023] like Figure 1 、 2As shown in more detail, the inlet pipe 5 includes a connecting section and a threaded section, wherein the connecting section is connected to the fixed pipe section 1, and the head 6 includes a screw section 10 threadedly matched with the threaded section and a sliding section 11 slidingly matched with the connecting section. The head 6 is connected to the sliding section 11, and the screw section 10 is also connected to a rotating head 12 located outside the inlet pipe 5. The rotating head 12 is easy to rotate to achieve the connection and disassembly of the head 6, and the threaded section is locked by cooperating with the screw section 10, while the connecting section and the sliding section 11 ensure that the gap between the two is smaller and allows the head 7 to smoothly enter the fixed pipe section 1.

[0024] like Figure 2 As shown in further detail, the two ends of the bellows 2 are respectively fixedly connected with a first connecting sleeve 13 and a second connecting sleeve 14, the first connecting sleeve 13 is sleeved on the end of the fixed pipe section 1, and the second connecting sleeve 14 is connected to the first connecting ring. Specifically, the first connecting sleeve 13 is connected to the fixed pipe section 1 through a plurality of first screws 15. Similarly, the second connecting sleeve 14 is connected to the first connecting ring 3 through a plurality of second screws 16. In this way, the entire device can be detachably connected, which facilitates installation while ensuring that the bellows 2 can normally realize the deformation function and the function of the expansion joint device.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An expansion joint device, characterized in that: It includes a fixed pipe section and a pair of corrugated pipes connected to the two ends of the fixed pipe section respectively, and the two corrugated pipes are also connected to a first connecting ring respectively, and the two first connecting rings are respectively used to connect pipelines; wherein, the fixed pipe section is also fixedly connected to an inlet pipe communicating with it, and the inlet pipe is also detachably connected to a head, and the head has a head that passes through the inlet pipe and extends into the fixed pipe section.

2. The expansion joint device according to claim 1, characterized in that The head is semi-arc-shaped, and the outer edge of the semi-arc is connected to the inner wall of the fixed pipe section.

3. The expansion joint device according to claim 1, characterized in that The inlet pipe includes a connecting section and a threaded section, wherein the connecting section is connected to the fixed pipe section, and the head includes a screw section threadedly matched with the threaded section and a sliding section slidingly matched with the connecting section, and the head is connected to the sliding section.

4. The expansion joint device according to claim 3, characterized in that The screw segment is further connected to a rotating head located outside the introduction tube.

5. The expansion joint device according to claim 1, characterized in that: The end of the pipeline is connected with a second connecting ring, and the two second connecting rings are respectively connected to the two first connecting rings and are connected by long rod bolts.

6. The expansion joint device according to any one of claims 1 to 5, characterized in that: The two ends of the corrugated pipe are respectively fixedly connected with a first connecting sleeve and a second connecting sleeve, the first connecting sleeve is arranged outside the end of the fixed pipe section, and the second connecting sleeve is connected to the first connecting ring.

7. The expansion joint device according to claim 6, characterized in that: The first connecting sleeve is connected to the fixed pipe section through a plurality of first screws.

8. The expansion joint device according to claim 6, characterized in that: The second connecting sleeve is connected to the first connecting ring through a plurality of second screws.

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