Stainless steel expansion joint connecting structure

Abstract

The utility model discloses a stainless steel expansion joint connecting structure, which relates to the technical field of expansion joints, and comprises an expansion joint main body, and further comprises a connecting ring fixedly connected to a port of the expansion joint main body; the connecting pipe is fixedly connected to the side, deviating from the expansion joint main body, of the connecting ring; and the pressing sleeve is movably arranged outside the connecting pipe in a sleeving mode, and a locking mechanism is arranged at the end of the pressing sleeve. According to the expansion joint, the connecting ring is arranged at the port of the expansion joint main body, and the pressing sleeve is movably mounted through the connecting pipe at the port of the connecting ring, so that after the port of an external pipeline is inserted into the pressing sleeve to be attached to the port of the connecting pipe, the connecting pipe and the port of the external pipeline are extruded and fixed by the pressing sleeve through the locking mechanism; the external pipeline and the expansion joint body are connected and fixed, meanwhile, disassembly operation is more convenient and efficient, and disassembly and assembly of the expansion joint body on the external pipeline are more convenient and rapid.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of expansion joint, especially relates to a stainless steel expansion joint connecting structure. BACKGROUND

[0002] Expansion joint is also called compensator or expansion joint in common. It is composed of corrugated pipe (a kind of elastic element) and end pipe, support, flange, guide pipe and other accessories. Expansion joint is a flexible structure arranged on the vessel shell or pipeline to compensate additional stress caused by temperature difference and mechanical vibration. The effective expansion and deformation of the working body corrugated pipe are used to absorb the size change of pipeline, guide pipe, vessel and the like caused by thermal expansion and cold shrinkage, or compensate the axial, lateral and angular displacement of pipeline, guide pipe and vessel.

[0003] In the prior art, the connection between the expansion joint and the pipeline is generally realized by configuring a connecting flange on the port, and then connecting and fixing the connecting flanges between the expansion joint and the external pipeline by bolts and nuts, so as to achieve the connection between the expansion joint and the external pipeline.

[0004] However, the number of bolts and nuts to be assembled between the connecting flanges is large, and the disassembly of the single bolt and nut needs to be screwed multiple times, which leads to complicated connection process between the expansion joint and the external pipeline, high working intensity and poor convenience of the connection between the expansion joint and the pipeline. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a stainless steel expansion joint connecting structure to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stainless steel expansion joint connecting structure, comprising an expansion joint main body, further comprising:

[0007] A connecting ring is fixedly connected to the port of the expansion joint main body.

[0008] A connecting pipe is fixedly connected to one side of the connecting ring away from the expansion joint main body.

[0009] A compression sleeve is movably sleeved on the outside of the connecting pipe, and the end of the compression sleeve is provided with a locking mechanism.

[0010] Preferably, the connecting ring is two and is fixedly connected to the port positions of the two ends of the expansion joint main body, and a plurality of guide mechanisms are arranged between the two connecting rings.

[0011] Preferably, two compression sleeves are symmetrically arranged on the connecting pipe, and a compression clamping groove is formed on the side of the compression sleeve facing the connecting pipe, and the width of the compression clamping groove gradually decreases away from the outer wall of the connecting pipe.

[0012] Preferably, the locking mechanism comprises a fixed block fixedly connected to the outer wall end of the compression sleeve, and a connecting bolt movably inserted between the two fixed blocks on the same side of the two compression sleeves.

[0013] Preferably, the cross section of the connecting pipe is T-shaped, and a sealing gasket is fixedly connected to the side of the connecting pipe away from the connecting ring.

[0014] Preferably, the guide mechanism comprises two connecting rods fixedly connected to the opposite sides of the connecting ring, and an outer thread groove is formed on the opposite ends of the two connecting rods, and an inner thread sleeve is threadedly connected to the end of the two connecting rods in opposite positions through the outer thread groove.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] The utility model discloses a connecting pipe is movably installed in the connecting ring port of the expansion joint main body through the connecting pipe of the connecting ring port, and the compression sleeve is movably installed in the connecting pipe, so that the external pipeline port can be inserted into the compression sleeve and attached to the connecting pipe port, and the locking mechanism is used to extrude and fix the compression sleeve between the connecting pipe and the external pipeline port, which not only realizes the connection and fixation between the external pipeline and the expansion joint main body, but also makes the disassembly operation more convenient and efficient, so that the expansion joint main body is more convenient to disassemble on the external pipeline. DRAWINGS

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

[0018] Figure 2 It is the overall structure schematic diagram of the utility model Figure 1 .

[0019] Figure 3 It is the front cross-sectional structure schematic diagram of the connecting ring of the utility model.

[0020] Figure 4 It is the front cross-sectional structure schematic diagram of the compression sleeve of the utility model.

[0021] In the drawing: 100, expansion joint main body;101, connecting rod;102, inner thread sleeve;103, outer thread groove;104, connecting ring;105, connecting pipe;106, sealing washer;200, compression sleeve;201, fixed block;202, connecting bolt;203, connecting nut;204, compression clamping groove. CONCRETE IMPLEMENTATION

[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] The utility model provides a kind of stainless steel expansion joint connecting structure as Figures 1-4 As shown in a kind of stainless steel expansion joint connecting structure, including expansion joint main body 100, still including connecting ring 104, connecting pipe 105 and compression sleeve 200, connecting ring 104 is fixedly connected at the port of expansion joint main body 100, connecting pipe 105 is fixedly connected on the side of connecting ring 104 away from expansion joint main body 100, the cross section of connecting pipe 105 is T shape, compression sleeve 200 is movably sleeved in the outside of connecting pipe 105, the end of compression sleeve 200 is equipped with locking mechanism, the port of external pipeline also needs to have the same shape pipe joint (for example connecting flange or the connecting pipe head satisfying shape requirement) with connecting pipe 105, by the end surface of connecting pipe 105 sticking at the pipe head of external pipeline, then compression sleeve 200 is sleeved in the outside of connecting pipe 105 and the pipe head of external pipeline, by extruding, compression sleeve 200 can extrude the pipe head of connecting pipe 105 and external pipeline, so that the two stick closely, simultaneously, since the position of compression sleeve 200 is fixed, thus reach the fixation of the close state between the pipe head of external pipeline and connecting pipe 105, so that expansion joint main body 100 and external pipeline can keep the fixation of position, while guaranteeing the sealing of the position of the connecting place of both, and the locking fixation of compression sleeve 200 does not need to be completed by multiple bolts and nuts, so that operation is more convenient, and work efficiency is higher;

[0024] It needs to be explained that the compression sleeve 200 on connecting pipe 105 is two and is symmetrically arranged up and down, the side of connecting pipe 105 away from connecting ring 104 is fixedly connected with sealing washer 106, the side of compression sleeve 200 towards connecting pipe 105 is equipped with compression slot 204, the width of compression slot 204 gradually reduces along the direction away from the outer wall of connecting pipe 105, when extruding the end of connecting pipe 105 and the end of the pipe head of external pipeline by the compression slot 204 in the inside of compression sleeve 200, can make the both form the state of opposite extrusion, so as to guarantee the close of connecting pipe 105 and the pipe head of external pipeline, while cooperating with sealing washer 106, can make the connection between external pipeline and connecting pipe 105 more closely, and the air tightness is higher, while cooperating with the locking mechanism of the end of compression sleeve 200, the locking fixation of the position between the two compression sleeves 200 in up and down position is more convenient and fast;

[0025] In the preferred embodiment, the locking mechanism comprises a fixed block 201 fixedly connected to the outer wall end of the compression sleeve 200, and a connecting bolt 202 movably inserted between the two fixed blocks 201 located on the same side of the two compression sleeves 200, and a connecting nut 203 threaded on the outer wall of the connecting bolt 202. When the compression clamping groove 204 of the compression sleeve 200 is sleeved between the connecting pipe 105 and the pipe head of the external pipeline, only by rotating the connecting nut 203 in the locking mechanism while keeping the position of the connecting bolt 202 fixed, the connecting nut 203 can be rotated while pressing the fixed block 201, so that one of the compression sleeves 200 moves towards the other compression sleeve 200, and the compression sleeve 200 can be pressed between the connecting pipe 105 and the pipe head of the external pipeline, so that they can be more closely fitted, and the locking effect of the connecting bolt 202 and the connecting nut 203 on the position between the two compression sleeves 200 can be achieved, so that the compression sleeve 200 can maintain the compression and fixation state between the connecting pipe 105 and the pipe head of the external pipeline. When disassembling, only the connecting nut 203 on both sides of the compression sleeve 200 needs to be removed. Compared with the prior art which requires disassembly and assembly of multiple bolts and nuts through the connecting flange, the locking mechanism in the embodiment only needs to disassemble and assemble two connecting nuts 203, which is more convenient and has less difficulty and workload, so that the disassembly efficiency between the expansion joint body 100 and the external pipeline is higher.

[0026] In the preferred embodiment, the locking mechanism comprises a fixed block 201 fixedly connected to the outer wall end of the compression sleeve 200, and a connecting bolt 202 movably inserted between the two fixed blocks 201 located on the same side of the two compression sleeves 200, and a connecting nut 203 threaded on the outer wall of the connecting bolt 202. When the compression clamping groove 204 of the compression sleeve 200 is sleeved between the connecting pipe 105 and the pipe head of the external pipeline, only by rotating the connecting nut 203 in the locking mechanism while keeping the position of the connecting bolt 202 fixed, the connecting nut 203 can be rotated while pressing the fixed block 201, so that one of the compression sleeves 200 moves towards the other compression sleeve 200, and the compression sleeve 200 can be pressed between the connecting pipe 105 and the pipe head of the external pipeline, so that they can be more closely fitted, and the locking effect of the connecting bolt 202 and the connecting nut 203 on the position between the two compression sleeves 200 can be achieved, so that the compression sleeve 200 can maintain the compression and fixation state between the connecting pipe 105 and the pipe head of the external pipeline. When disassembling, only the connecting nut 203 on both sides of the compression sleeve 200 needs to be removed. Compared with the prior art which requires disassembly and assembly of multiple bolts and nuts through the connecting flange, the locking mechanism in the embodiment only needs to disassemble and assemble two connecting nuts 203, which is more convenient and has less difficulty and workload, so that the disassembly efficiency between the expansion joint body 100 and the external pipeline is higher.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A stainless steel expansion joint connecting structure comprising an expansion joint main body (100), characterized by, Also include: The connecting ring (104) is fixedly connected to the port of the expansion joint body (100); The connecting pipe (105) is fixedly connected to the side of the connecting ring (104) away from the expansion joint body (100); The compression sleeve (200) is movably sleeved outside the connecting pipe (105), and the end of the compression sleeve (200) is provided with a locking mechanism.

2. The connecting structure of the stainless steel expansion joint according to claim 1, wherein The connecting ring (104) is two and is fixedly connected to the port position of the expansion joint body (100), and a plurality of guide mechanisms are arranged between the two connecting rings (104).

3. The connecting structure of the stainless steel expansion joint according to claim 1, wherein The compression sleeve (200) on the connecting pipe (105) is two and is symmetrically arranged, the side of the compression sleeve (200) facing the connecting pipe (105) is provided with a compression slot (204), and the width of the compression slot (204) gradually decreases away from the outer wall of the connecting pipe (105).

4. The connecting structure of the stainless steel expansion joint according to claim 3, wherein The locking mechanism includes a fixed block (201), the fixed block (201) is fixedly connected to the outer wall end of the compression sleeve (200), two fixed blocks (201) on the same side of the compression sleeve (200) are movably connected by a connecting bolt (202), and the outer wall of the connecting bolt (202) is threadedly connected with a connecting nut (203).

5. The stainless steel expansion joint connection structure according to claim 1, wherein The cross section of the connecting pipe (105) is T-shaped, and the side of the connecting pipe (105) away from the connecting ring (104) is fixedly connected with a sealing gasket (106).

6. The stainless steel expansion joint connection structure according to claim 2, wherein The guide mechanism includes a connecting rod (101) fixedly connected to the opposite side of the two connecting rings (104), and the opposite ends of the two connecting rods (101) are provided with external thread grooves (103), and the opposite ends of the two connecting rods (101) are threadedly connected with an internal thread sleeve (102) through the external thread grooves (103).

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