Plate disc welding eccentric reducing joint

Abstract

The utility model discloses a plate-made disc welding eccentric reducing joint, and relates to the technical field of pipeline fittings. The disc is connected with the first short pipe; the first short pipe is connected with the disc, the second short pipe is connected with the disc, the reinforcing flange plate is connected between the disc and the second short pipe, the inner diameter of the first short pipe is larger than that of the second short pipe, and the eccentric distance between the first short pipe and the second short pipe is H; a first inner hole is formed in the first short pipe, a second inner hole is formed in the second short pipe, a third inner hole is formed in the disc, the third inner hole is connected between the first inner hole and the second inner hole in a penetrating mode, and the inner diameter of the second inner hole is the same as that of the third inner hole. The eccentric distance of the third inner hole on the disc is H. The corrosion-resistant and wear-resistant layers are arranged in the second inner hole and the third inner hole. The conveying device is easy to machine, low in cost, firm in connection and stable in conveying.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline fittings, and in particular to a plate-made disc welded eccentric reducer. Background Art

[0002] In the process of using pipelines, two sections of pipelines with different diameters (i.e. different diameters) or different axes (i.e. eccentricity) are often connected together for use in order to meet different work requirements. In the process of pipeline installation, when the pipeline path is too long, the deviations between the pipelines are accumulated beyond the tolerance, or there are too many corners and bends, some connections will have problems that conventional standard parts cannot achieve a firm and reliable connection. At the same time, due to too many changes in the product diameter, it cannot be pressed successfully. Usually, the small head will shrink with each pass, and then the product will crack, wrinkle, thicken and other unqualified conditions will appear, resulting in high processing costs, high scrap rate, and unsightly appearance. Utility Model Content

[0003] In view of this, the present application provides a plate-made disc welded eccentric reducer to solve the above-mentioned technical problems.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A plate-made disc welded eccentric reducer, comprising:

[0006] First short tube;

[0007] a disc connected to the first short tube;

[0008] a second short tube, the second short tube being connected to the disc,

[0009] The inner diameter of the first short tube is greater than the inner diameter of the second short tube, and the eccentricity between the first short tube and the second short tube is H.

[0010] Furthermore, the first short tube is provided with a first inner hole, the second short tube is provided with a second inner hole, the disc is provided with a third inner hole, and the third inner hole is connected between the first inner hole and the second inner hole.

[0011] Furthermore, the inner diameter of the second inner hole is the same as the inner diameter of the third inner hole and they are coaxial.

[0012] Furthermore, the eccentricity of the third inner hole on the disk is H.

[0013] Furthermore, the second inner hole and the third inner hole both have a corrosion-resistant and wear-resistant layer.

[0014] Furthermore, it also includes a reinforcement flange, which is connected between the circular disc and the second short tube.

[0015] Furthermore, the reinforcement flange includes a vertically connected connection ring and a connection sleeve, the connection ring is fixedly connected to the disc, and the connection sleeve is welded to the outer side of the second short tube.

[0016] It can be seen from the above technical solution that the advantages of the utility model are:

[0017] 1. In the present application, a disc is welded between the first short tube and the second short tube, a third inner hole is eccentrically drilled on the disc, and the second short tube is coaxial and has the same diameter as the third inner hole, so that the first short tube and the second short tube form an eccentric reducer. When connecting a longer pipeline, there will be no problem of unreliable connection of part of the pipeline due to cumulative deviation or excessive corners and bends. In addition, the two short tubes and the disc are welded together, so they have a very reliable connection relationship.

[0018] 2. In the present application, the second short tube is welded to the disc by eccentrically punching a hole on the disc, so that the height of the second short tube can be adaptively adjusted and will not be restricted by the standard height. In addition, the overall appearance of the present application is beautiful, and the two short tubes are connected to the inside of the disc, so the liquid flows smoothly. The second short tube does not adopt the conventional shrinking process, which avoids the occurrence of unqualified products such as cracks, wrinkles, and thickening of the small head as the shrinkage continues. In addition, it avoids the high processing cost and scrap rate caused by shrinkage, and the occurrence of unsightly appearance. In addition, it avoids the defects of erosion and instantaneous deceleration caused by shrinkage, so the transportation is smooth.

[0019] 3. The present application only requires the separate processing of the first short tube, the second short tube and a disc, so the manufacturing is simple and has the characteristics of low processing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application.

[0021] Figure 1 This is a schematic diagram of the structure of this application.

[0022] Figure 2 This is a schematic structural diagram of another embodiment of the present application.

[0023] Figure 3 This is a schematic structural diagram of the third embodiment of the present application.

[0024] Figure 4 This is a schematic structural diagram of the fourth embodiment of the present application.

[0025] Explanation of the reference numerals: 1 - first short tube; 11 - first inner hole; 2 - second short tube; 21 - second inner hole; 3 - disc; 31 - third inner hole; 4 - corrosion-resistant and wear-resistant layer; 5 - reinforcement flange; 51 - connecting ring; 52 - connecting sleeve. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the implementation modes and the accompanying drawings. Here, the illustrative implementation modes and descriptions of the present application are used to explain the present application, but are not intended to limit the present application.

[0027] Example 1

[0028] refer to Figures 1 to 4 ,like Figure 1 As shown, this embodiment provides a plate-made disc welded eccentric reducer, comprising: a first short tube 1, a disc 3 and a second short tube 2, the disc 3 is welded on the right side of the first short tube 1, the second short tube 2 is welded on the right side of the disc 3, the second short tube 2 is not coaxial with the disc 3, the first short tube 1 is coaxial with the disc 3, the inner diameter of the first short tube 1 is larger than the inner diameter of the second short tube 2, and the eccentricity between the first short tube 1 and the second short tube 2 is H.

[0029] In the embodiment of the present application, the first short tube 1 is provided with a first inner hole 11, the second short tube 2 is provided with a second inner hole 21, and the disk 3 is provided with a third inner hole 31, and the third inner hole 31 is connected between the first inner hole 11 and the second inner hole 21. The inner diameter of the first inner hole 11 is greater than the inner diameter of the second inner hole 21, and the inner diameter of the second inner hole 21 is the same as the inner diameter of the third inner hole 31, and they are coaxial.

[0030] In the embodiment of the present application, the processing method of the disc 3 is: placing the sheet material on the die, applying downward pressure to the punch on the sheet material, so that the sheet material forms a circular material and a disc 3, and then processing the third inner hole 31 on the disc 3. This processing method is simple and efficient.

[0031] In the present application embodiment, Figure 1As shown, the position of the third inner hole 31 on the disc 3 determines the welding height of the second short tube 2. Since the second short tube 2 is coaxial and has the same diameter as the third inner hole 31, when installing the second short tube 2, it is necessary to install it based on the axis of the third inner hole 31. Therefore, when the opening position of the third inner hole 31 is high, the position of the second short tube 2 is high, and when the opening position of the third inner hole 31 is low, the position of the second short tube 2 is low. Therefore, by adjusting the position of the third inner hole 31, the height of the second short tube 2 can be adjusted. This design prevents the joint from being restricted by the standard height. In addition, the joint as a whole is composed of the first short tube 1, the disc 3 and the second short tube 2, and has a beautiful appearance, and the edge burrs are easy to clean. The flow channel composed of the first inner hole 11, the second inner hole 21 and the third inner hole 31 is smooth and unobstructed, which can avoid the phenomenon of liquid impacting the pipeline or instantaneous deceleration caused by shrinkage, so that the liquid transportation is safe and stable.

[0032] In this embodiment, when the third inner hole 31 is opened at the edge of the disk 3, the second short tube 2 is at the highest height position. Figure 1 As shown, at this time, the eccentricity H between the first short tube 1 and the second short tube 2 is the largest, which is the radius of the first inner hole 11 minus the radius of the second inner hole 21 .

[0033] Example 2

[0034] In this embodiment, Figure 2 As shown, when the third inner hole 31 is opened at the edge of the disc 3, the position of the third inner hole 31 of the disc 3 in this embodiment is lowered relative to that in Example 1, so the height of the second short tube 2 is lowered, and the eccentricity H1 at this time is smaller than the eccentricity H in Example 1.

[0035] Example 3

[0036] In order to increase the protection and extend the service life, such as Figure 3 As shown, a corrosion-resistant and wear-resistant layer 4 is provided in the second inner hole 21 and the third inner hole 31. The corrosion-resistant and wear-resistant layer 4 is formed by a surfacing process, and not only has excellent corrosion resistance, but also can effectively resist erosion, thereby greatly extending the service life of the second short tube 2 and the disc 3. This design significantly improves the overall durability and reliability.

[0037] Example 4

[0038] To further enhance the reliability and durability of the connection, Figure 4 As shown, a reinforcing flange 5 is added between the disc 3 and the second short tube 2. This design not only significantly enhances the firmness between the disc 3 and the second short tube 2, but also provides continuous and stable support in a variety of working environments, thereby ensuring efficient operation and safety of the entire joint.

[0039] In the embodiment of the present application, the reinforced flange 5 includes a vertically connected connecting ring 51 and a connecting sleeve 52, wherein the connecting ring 51 is vertically welded to the disc 3, ensuring seamless connection and uniform force transmission between the two; the connecting sleeve 52 is welded to the outer side of the second short tube 2, so that the second short tube 2, the reinforced flange 5 and the disc 3 form a strong and stable connection interface, providing a solid guarantee for the long-term and efficient transportation of the joint.

[0040] Preferably, the inner hole of the connecting sleeve 52 can be processed into different sizes to match the second short tube 2 of different diameters. In addition, the connecting sleeve 52 restricts the second short tube 2 inside, which can not only improve the support effect on the second short tube 2, but also further ensure the coaxiality of the second short tube 2 and the third inner hole 31, and further improve the reliability of the connection between the disc 3 and the second short tube 2.

[0041] To sum up, the present application only needs to separately process the first short tube 1, the disc 3 and the second short tube 2, and then weld them, which has the characteristics of convenient and simple processing and low production cost; by opening an eccentric third inner hole 31 at different positions of the disc 3, the setting position of the second short tube 2 on the disc 3 can be adjusted, so that the use is not restricted by the standard height; in addition, the present application has a beautiful and smooth appearance, and the first inner hole 11, the second inner hole 21 and the third inner hole 31 are connected through, so that the flow is smoother. The present reducer does not have a shrinking process, and adopts a welding process to avoid the defects of erosion and instantaneous deceleration caused by shrinking the diameter. The present reducer improves the safety and stability of liquid transportation; furthermore, the present application requires fewer molds for processing, thereby reducing the cost of mold investment and further reducing production costs.

[0042] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the embodiments of the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A plate-made disc welded eccentric reducer, characterized in that: include: A first short tube (1); A disc (3), the disc (3) being connected to the first short tube (1); a second short tube (2), the second short tube (2) being connected to the disc (3), The inner diameter of the first short tube (1) is greater than the inner diameter of the second short tube (2), and the eccentricity between the first short tube (1) and the second short tube (2) is H.

2. The plate-made disc welded eccentric reducer according to claim 1, characterized in that: The first short tube (1) is provided with a first inner hole (11), the second short tube (2) is provided with a second inner hole (21), the disc (3) is provided with a third inner hole (31), and the third inner hole (31) is connected between the first inner hole (11) and the second inner hole (21).

3. The plate-made disc welded eccentric reducer according to claim 2, characterized in that: The inner diameter of the second inner hole (21) is the same as the inner diameter of the third inner hole (31), and they are coaxial.

4. The plate-made disc welded eccentric reducer according to claim 3, characterized in that: The eccentricity of the third inner hole (31) on the disk (3) is H.

5. The plate-made disc welded eccentric reducer according to claim 2, characterized in that: The second inner hole (21) and the third inner hole (31) both have a corrosion-resistant and wear-resistant layer (4).

6. The plate-made disc welded eccentric reducer according to claim 1, characterized in that: It also comprises a reinforcing flange (5), wherein the reinforcing flange (5) is connected between the disc (3) and the second short tube (2).

7. The plate-made disc welded eccentric reducer according to claim 6, characterized in that: The reinforcing flange (5) comprises a vertically connected connecting ring (51) and a connecting sleeve (52), wherein the connecting ring (51) is fixedly connected to the disc (3), and the connecting sleeve (52) is welded to the outer side of the second short tube (2).

Images