Protective structure of expansion joint

Abstract

The utility model relates to the technical field of expansion joints, in particular to a protective structure of an expansion joint, which comprises an expansion joint body, a plurality of expansion joints are arranged on the expansion joint body, the expansion joints are communicated with the inside of the expansion joint body, and protective rings are arranged at positions, corresponding to the expansion joints, in the expansion joint body. The protective ring covers the opening of the expansion joint; an opening of the telescopic joint can be shielded by the protective ring, smoke dust is prevented from entering, the anti-corrosion effect is achieved, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion joints, in particular to a protective structure of an expansion joint. Background Art

[0002] The expansion joint in the existing technology is made of Q235, which has a short service life and will generally be corroded and perforated after half a year of use. In addition, there is a guide plate inside the expansion joint, and smoke and dust will enter the outer raised cylinder through the gap of the guide plate, forming a condensation agglomeration of glass arsenic and smoke and dust, which ultimately cannot play the expansion role.

[0003] An expansion joint with application number CN202010150990.2 discloses a bellows comprising a first flange and one end thereof fixedly connected to the first flange, the end of the bellows facing away from the first flange being fixedly connected to a second flange, one end of the first flange being connected to a telescopic structure, the telescopic structure comprising an inner telescopic ring, an outer telescopic ring, a spring, and a second exhaust hole, the end of the first flange close to the bellows being fixedly connected to the inner telescopic ring, the end of the second flange close to the bellows being fixedly connected to the outer telescopic ring, the inner telescopic ring and the outer telescopic ring being slidably connected, the cross-sections of the inner telescopic ring and the outer telescopic ring both being in the shape of a "J", a plurality of springs being fixedly connected between the inner telescopic ring and the outer telescopic ring, and the ends of the inner telescopic ring and the outer telescopic ring close to the springs being provided with the second exhaust hole; it discloses a structure that enables the expansion joint to perform a certain degree of telescopic compensation, but its structure is complex, the cost is high, and it is inconvenient to install. Utility Model Content

[0004] The technical problem to be solved by the utility model is that during the use of the expansion joint, some impurities are likely to enter the expansion joint, causing easy corrosion.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] First, a protective structure for an expansion joint is provided, including an expansion joint body, on which several telescopic joints are arranged, the telescopic joints are connected to the interior of the expansion joint body, and protective rings are arranged at positions corresponding to the telescopic joints inside the expansion joint body, and the protective rings cover the openings of the telescopic joints.

[0007] Furthermore, the protective ring includes a fixed section and a deformable section, both ends of the deformable section are provided with a fixed section, and the fixed section is connected to the inner wall of the expansion joint body.

[0008] The deformation section and the fixed section are used to block the opening of the expansion joint, and the deformation section has a certain expansion and contraction ability, so that the expansion joint can be used normally.

[0009] Furthermore, the fixed section is fixedly connected to the inner wall of the expansion joint body by welding.

[0010] The protective ring can be quickly installed on the expansion joint body by welding, thereby improving work efficiency.

[0011] Furthermore, the cross section of the deformation section is U-shaped, and fixed sections are installed at both ends of the deformation section.

[0012] Furthermore, the fixed section and the deformable section are integrally formed.

[0013] One-piece molding is beneficial to improving the production efficiency of the protective ring and reducing costs.

[0014] Furthermore, the expansion joint body, telescopic end and protective ring are all made of 316L stainless steel.

[0015] The use of 316L stainless steel can improve the corrosion resistance and extend the service life of the device.

[0016] The utility model has the following beneficial effects: the utility model utilizes the protective ring to shield the opening of the expansion joint, which can prevent smoke and dust from entering the expansion joint, reduces the risk of corrosion of the expansion joint, and avoids the problem that the expansion joint cannot be expanded or contracted during long-term use, making the use effect of the device better; at the same time, the device is made of stainless steel, which can greatly improve the corrosion resistance and extend the service life of the device. It has a simple structure, is easy to assemble, and effectively saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0018] Figure 1 Schematic diagram of the structure of this embodiment;

[0019] Figure 2 Schematic diagram of the structure of the protective ring of this embodiment. DETAILED DESCRIPTION

[0020] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0021] It should be noted that all directional indications in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0022] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0023] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0024] The utility model provides a protective structure for an expansion joint, such as Figure 1 and Figure 2 As shown, it includes an expansion joint body 1, and several protruding expansion joints 2 are provided on the expansion joint body 1. The expansion joint 2 is connected to the inside of the expansion joint body 1. During the use of the expansion joint, smoke and dust can easily enter the expansion joint 2. The smoke and dust entering the expansion joint 2 condense and accumulate into lumps, which can easily corrode the expansion joint body 1 and also easily cause the expansion joint 2 to fail to achieve the expansion and contraction effect.

[0025] In order to prevent smoke and dust from entering the expansion joint 2, a protective ring 3 is provided at a position corresponding to the expansion joint 2 inside the expansion joint body 1. The protective ring 3 covers the opening of the expansion joint 2 to prevent smoke and dust from entering the expansion joint 2.

[0026] At the same time, in order to enable the expansion joint 2 to also have the effect of expansion and contraction, the protective ring 3 includes a fixed section 31 and a deformable section 32, wherein the two ends of the deformable section 32 are provided with a fixed section 31, and the fixed section 31 is fixedly connected to the inner wall of the expansion joint body 1. During the expansion and contraction of the expansion joint body 1, the two fixed sections 31 move away from or closer to each other as the expansion joint 2 expands and contracts. At this time, the deformable section 32 also expands and contracts synchronously to ensure the normal expansion and contraction of the expansion joint 2.

[0027] In this embodiment, the fixed section 31 and the deformable section 32 are made of 316L stainless steel and are integrally formed.

[0028] Since the expansion joint is mainly used to eliminate the negative effects of thermal deformation during the expansion and contraction process, the expansion and contraction amount will not be too large. Therefore, in this embodiment, the cross-section of the deformation section 32 is U-shaped, and the fixed sections 31 are respectively installed at both ends of the U-shape. During the expansion and contraction process, the two ends of the U-shape are correspondingly moved closer or farther away to meet the use requirements.

[0029] Specifically, in this embodiment, the fixing section 31 is fixedly connected to the inner wall of the expansion joint body 1 by welding. By welding, the protective ring 3 can be quickly installed on the expansion joint body 1 to achieve efficient operation.

[0030] At the same time, in order to extend the service life of the expansion joint body 1 and the telescopic joint 2, 316L stainless steel can be used, which has an anti-corrosion effect and extends the service life.

[0031] It should be understood that the above description of the specific embodiments of the present invention is merely for the purpose of illustrating the technical approach and features of the present invention. Its purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. However, the present invention is not limited to the above-described specific embodiments. Any changes or modifications made within the scope of the claims of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A protective structure for an expansion joint, characterized in that: The invention comprises an expansion joint body (1), wherein a plurality of telescopic joints (2) are arranged on the expansion joint body (1), wherein the telescopic joints (2) are communicated with the interior of the expansion joint body (1), and protective rings (3) are arranged at positions corresponding to the telescopic joints (2) in the expansion joint body (1), and the protective rings (3) cover the openings of the telescopic joints (2).

2. The protective structure of an expansion joint according to claim 1, characterized in that: The protective ring (3) comprises a fixed section (31) and a deformable section (32); both ends of the deformable section (32) are provided with a fixed section (31); and the fixed section (31) is connected to the inner wall of the expansion joint body (1).

3. The protective structure of an expansion joint according to claim 2, characterized in that: The fixed section (31) is fixedly connected to the inner wall of the expansion joint body (1) by welding.

4. The protective structure of an expansion joint according to claim 2, characterized in that: The cross section of the deformation section (32) is U-shaped, and fixed sections (31) are installed at both ends of the deformation section (32).

5. The protective structure of an expansion joint according to claim 2, characterized in that: The fixed section (31) and the deformable section (32) are integrally formed.

6. The protective structure of an expansion joint according to claim 1, characterized in that: The expansion joint body (1), telescopic joint (2) and protective ring (3) are all made of 316L stainless steel.

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