A socket type metal elbow

By designing plug-in metal elbows and using an inner plug-in straight pipe section structure for welding or bonding, the existing elbows are solved, and the problems of inconvenience in installation and large gaps at the end of right-angle turn are achieved, firmer and more beautiful connections are achieved, and installation efficiency is improved.

CN222745496UActive Publication Date: 2025-04-11DONGGUAN ZHISHENG HARDWARE MOLD CO LTD
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Patent Information

Application Number
CN202421050427.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2023-08-10
Filing Date
2024-05-09
Publication Date
2025-04-11
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The existing stainless steel and other materials lack the inner plug-in straight pipe section structure when the right-angle turn of the welding horizontal handrail is at the end, resulting in large gaps after installation, not beautiful, and cumbersome installation process and low efficiency.

Method used

A plug-in metal elbow is designed, including two 90-degree arc round tubular elbow structures, which are formed by integral molding or welding molding, and an internal plug-in straight pipe section structure is provided at both ends for deep plug-in welding or bonding.

Benefits of technology

Through the design of the inner plug-in straight pipe section structure, the elbow and the pipeline are more secure, the installation is more convenient and quick, the structure is beautiful and seamless, which improves work efficiency and reduces the labor intensity of the operator.

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    Figure CN222745496U_ABST
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Abstract

The utility model discloses a socket-type metal elbow, which belongs to the field of hardware component decorations, and is characterized in that: it includes two 90-degree arc-shaped circular tubular elbow structures, the two 90-degree arc-shaped circular tubular elbow structures are of the same size, and one end of each of them overlaps and is integrally formed to form a curved circular tube segment structure, and the curved surfaces of the two 90-degree arc-shaped circular tubular elbow structures are perpendicular to each other, and the curved circular tubular elbow structure can also be a structure with a straight circular tube segment structure arranged between the middle connecting parts, which is welded or / and integrally formed, and the two ends of the curved circular tubular elbow structure can also be respectively provided with a first inner socket-type straight pipe segment structure and a second inner socket-type straight pipe segment structure integrally connected thereto. The utility model can directly replace two existing 90-degree elbows in certain circumstances, is easy to install, has a beautiful structure, and is more standardized, greatly reducing the intensity and difficulty of labor, saving working time and improving work efficiency.
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Description

Technical Field

[0001] The utility model relates to the field of hardware component decorations, in particular to a socket-type metal elbow. Background Art

[0002] In recent years, with the improvement of people's living standards, people have higher and higher requirements for home decoration, so various hardware components and decorations have emerged, adding many beautiful colors to our lives. However, taking the specific structures of stainless steel handrails, corridor railings, etc. as an example, when welding the right-angle turn end tail column of the horizontal handrail, the existing stainless steel elbows are mostly used by directly butting and welding two existing metal elbows, and the port of the elbow structure after welding does not have an inner socket straight pipe section structure, which cannot be used for socket welding or socket bonding. After installation, the gap is large and not beautiful enough, and it is very inconvenient to align the pipe column port and adjust the angle during the installation process, and the work efficiency is low. The inner socket straight pipe section structure design of the utility model makes the connection between the elbow and the pipeline more firm, and it is not easy to loosen and fall off during installation. During the installation process, the operation is convenient, and the inner socket straight pipe section structure of the socket metal elbow only needs to be inserted into the specific right-angle turn end tail column pipeline to achieve quick installation and use.

[0003] In view of this, the inventor of the utility model invented a socket-type metal elbow. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a socket-type metal elbow, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a socket-type metal elbow, characterized in that: it includes two 90-degree arc-shaped circular tubular elbow structures, the two 90-degree arc-shaped circular tubular elbow structures are of the same size, and one end of each of them is overlapped and integrally formed to form a curved circular tubular elbow structure, and the curved surfaces of the two 90-degree arc-shaped circular tubular elbow structures are perpendicular to each other.

[0006] Preferably, the two 90-degree arc-shaped circular tubular elbow structures each have one end overlapped and are integrally formed to form a curved circular tubular elbow structure. The integrally formed connection method is preferably integrally formed or welded.

[0007] Preferably, the curved circular tubular elbow structure may also be a structure in which a straight circular tube section is arranged between the middle connecting parts, and the structure is formed by welding or / and integrally formed.

[0008] Preferably, the two ends of the curved circular tubular elbow structure may also be provided with a first internal bell-and-spigot straight pipe section structure and a second internal bell-and-spigot straight pipe section structure which are integrally connected thereto, and the inner center lines of the first internal bell-and-spigot straight pipe section structure and the second internal bell-and-spigot straight pipe section structure are respectively perpendicular to the corresponding port sections of the curved circular tubular elbow structure, and respectively pass through the center of the corresponding port sections of the curved circular tubular elbow structure.

[0009] Preferably, the first inner bell-and-spigot straight pipe section structure and the second inner bell-and-spigot straight pipe section structure are preferably bell-and-spigot straight round pipe section structures, and their outer wall diameters are preferably the same or similar.

[0010] Preferably, the first internal bell-and-spigot straight pipe section structure and the second internal bell-and-spigot straight pipe section structure and the corresponding ports of the curved circular tubular elbow structure each form an inclined slope structure of 90 degrees or less than 90 degrees, or other suitable structures.

[0011] Preferably, the first internal bell-and-spigot straight pipe section structure and the second internal bell-and-spigot straight pipe section structure are preferably bell-and-spigot short straight circular pipe section structures, and their outer wall diameters are preferably the same, and are both less than twice the wall thickness value of the outer wall diameter of the corresponding port of the curved circular tubular elbow structure, and the range of less than is between 0.7-20mm.

[0012] Preferably, when the socket-type metal elbow is made of the same material, the material is preferably one of carbon steel, aluminum alloy, stainless steel, titanium alloy, copper, copper alloy and the like.

[0013] Preferably, when the socket-type metal elbow is composed of different materials, the socket-type metal elbow is mainly composed of a main structure and auxiliary materials, and the material of the main structure is preferably one of carbon steel, aluminum alloy, stainless steel, titanium alloy, copper, copper alloy, etc.

[0014] Compared with the prior art, the beneficial effect is that the socket-type metal elbow of the utility model adopts an internal socket-type straight pipe section structure through in-depth socket welding or socket-type bonding, which effectively solves the problems existing in the existing elbow connectors, has important economic value and application value, and can be widely used in specific structures such as stair horizontal handrails and corridor railings. For example, when welding the right-angle turn end post of the horizontal handrail, it can directly replace two existing 90-degree metal elbows with the same or similar outer diameters by welding and other methods of installation and use, which greatly improves the convenience of elbow and pipe installation, makes the installation operation more convenient and simple, has a beautiful structure, no gaps, and is more standardized. At the same time, it also greatly reduces the labor intensity and difficulty of the operator, saves working time and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to further understand the utility model and constitute a part of the specification. They are explained together with the following utility model, but do not constitute a limitation to the utility model. In the accompanying drawings:

[0016] Figure 1 , Figure 4 They are two three-dimensional structural schematic diagrams of the utility model;

[0017] Figure 2 , Figure 5 The utility model Figure 1 , Figure 4 Front view of

[0018] Figure 3 , Figure 6 The utility model Figure 1 , Figure 4 A top view of

[0019] Description of Reference Numerals

[0020] Socket type metal elbow: 1. Bended circular tubular elbow structure, 2. First internal socket type straight pipe section structure, 3. Second internal socket type straight pipe section structure, 4. Straight circular pipe section structure. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the protection scope of the present invention.

[0022] refer to Figure 1 , Figure 2 The utility model is a socket-type metal elbow, which is characterized in that it includes two 90-degree arc-shaped circular tubular elbow structures, the two 90-degree arc-shaped circular tubular elbow structures are of the same size, and one end of each of them overlaps and is integrally formed to form a curved circular tubular elbow structure 1, and the curved surfaces of the two 90-degree arc-shaped circular tubular elbow structures are perpendicular to each other.

[0023] It is further configured that the two 90-degree arc-shaped circular tubular elbow structures each have one end overlapped and are integrally formed to form the curved circular tubular elbow structure 1. The integrally formed connection method is preferably integrally formed or welded.

[0024] It is further configured that the curved circular tubular elbow structure 1 can also be a structure in which a straight circular tube section structure 4 is arranged between the middle connecting parts, which is welded and / or integrally formed, etc., and in certain circumstances can be conveniently and quickly replaced by two 90-degree elbows with the same or similar outer diameters in combination.

[0025] It is further configured that the two ends of the curved circular tubular elbow structure 1 can also be provided with a first internal bell-and-spigot straight pipe section structure 2 and a second internal bell-and-spigot straight pipe section structure 3 which are integrally connected thereto, and the inner center lines of the first internal bell-and-spigot straight pipe section structure 2 and the second internal bell-and-spigot straight pipe section structure 3 are respectively perpendicular to the corresponding port sections of the curved circular tubular elbow structure 1, and respectively pass through the center of the corresponding port sections of the curved circular tubular elbow structure 1.

[0026] It is further configured that the first internal socket-and-spigot straight pipe section structure 2 and the second internal socket-and-spigot straight pipe section structure 3 are preferably socket-and-spigot straight round pipe section structures, and the outer wall diameters thereof are preferably the same or similar. Such a structure is aesthetically pleasing and more convenient for suitable matching and use in the turning points of many specific structures of pipeline systems and the turning points at the end of pipelines of the same diameter, such as in right-angle tail structures such as handrails and corridor railings. There are no gaps after installation, and it is more standardized.

[0027] It is further configured that the first internal socket-type straight pipe section structure 2 and the second internal socket-type straight pipe section structure 3 and the corresponding ports of the curved circular tubular elbow structure 1 each form an inclined slope structure of 90 degrees or less than 90 degrees or other suitable structures, which are not only beautiful in structure but also easy to install.

[0028] It is further configured that the first internal socket-and-spigot straight pipe section structure 2 and the second internal socket-and-spigot straight pipe section structure 3 are preferably socket-and-spigot short straight circular pipe section structures, and their outer wall diameters are preferably the same or similar, and are both less than twice the wall thickness of the outer wall diameter of the corresponding port of the curved circular tubular elbow structure 1, and the range of less than is between 0.7-20mm. Such a structure is beautiful and more convenient to be matched and used in the turning points of many specific structures of pipeline systems and the turning points at the end of pipelines of the same diameter, such as in right-angle tail structures such as handrails and corridor railings. There is no gap after installation, and it is more standardized.

[0029] It is further provided that when the socket-type metal elbow is composed of the same material, the material is preferably one of carbon steel, aluminum alloy, stainless steel, titanium alloy, copper, copper alloy, etc. The selection of different materials widely satisfies the directional use in pipeline systems of various materials.

[0030] It is further configured that when the socket-type metal elbow is composed of different materials, the socket-type metal elbow is mainly composed of a main structure and auxiliary materials. The material of the main structure is preferably one of carbon steel, aluminum alloy, stainless steel, titanium alloy, copper, copper alloy, etc. The choice of different materials widely satisfies the directional use in pipeline systems of various materials.

[0031] When implementing the utility model, suitable pipe materials and sizes can be selected according to actual needs. It is only necessary to insert the inner socket-type straight pipe section structures at both ends of the socket-type metal elbow into the pipes of specific structures such as the horizontal handrails of stairs and the right-angle horizontal turns of corridor railings, and adjust them to the appropriate angles. Then, socket welding or socket bonding can be performed to connect them for quick installation and use.

[0032] The above description is only an exemplary specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any changes and substitutions that can be easily thought of by any technician familiar with the field within the technical scope disclosed by the present invention should be included in the protection scope of the present invention.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A socket type metal elbow, characterized by: It comprises two 90-degree arc-shaped circular tubular elbow structures, the two 90-degree arc-shaped circular tubular elbow structures are of the same size, one end of each of the two 90-degree arc-shaped circular tubular elbow structures is overlapped and integrally formed to form a curved circular tubular elbow structure (1), and the curved surfaces of the two 90-degree arc-shaped circular tubular elbow structures are perpendicular to each other.

2. A socket-type metal elbow according to claim 1, characterized in that: The two 90-degree arc-shaped circular tubular elbow structures each have one end overlapped and are integrally formed and connected to form a curved circular tubular elbow structure (1). The integral forming connection method is integral forming or welding.

3. The socket-type metal elbow according to claim 1, characterized in that: The curved circular tubular elbow structure (1) may also be a structure in which a straight circular tube section structure (4) is arranged between the middle connecting parts, and is formed by welding or / and integrally formed.

4. The socket-type metal elbow according to claim 1, characterized in that: The two ends of the curved circular tubular elbow structure (1) are respectively provided with a first internal bell-and-spigot straight pipe section structure (2) and a second internal bell-and-spigot straight pipe section structure (3) which are integrally formed therewith, and the inner center lines of the first internal bell-and-spigot straight pipe section structure (2) and the second internal bell-and-spigot straight pipe section structure (3) are respectively perpendicular to the corresponding port cross-section of the curved circular tubular elbow structure (1), and respectively pass through the center of the circle of the corresponding port cross-section of the curved circular tubular elbow structure (1).

5. The socket-type metal elbow according to claim 3 is characterized in that: The two ends of the curved circular tubular elbow structure (1) are respectively provided with a first internal bell-and-spigot straight pipe section structure (2) and a second internal bell-and-spigot straight pipe section structure (3) which are integrally formed therewith, and the inner center lines of the first internal bell-and-spigot straight pipe section structure (2) and the second internal bell-and-spigot straight pipe section structure (3) are respectively perpendicular to the corresponding port cross-section of the curved circular tubular elbow structure (1), and respectively pass through the center of the circle of the corresponding port cross-section of the curved circular tubular elbow structure (1).

6. A socket type metal elbow according to claim 4 or 5, characterized in that: The first inner bell-and-spigot straight pipe section structure (2) and the second inner bell-and-spigot straight pipe section structure (3) are both bell-and-spigot straight round pipe section structures, and have the same outer wall diameters.

7. A socket type metal elbow according to claim 4 or 5, characterized in that: The first inner bell-and-spigot straight pipe section structure (2) and the second inner bell-and-spigot straight pipe section structure (3) and the corresponding ports of the curved circular tubular elbow structure (1) each form an inclined slope structure of 90 degrees or less than 90 degrees.

8. The socket-type metal elbow according to claim 7, characterized in that: The first inner bell-and-spigot straight pipe section structure (2) and the second inner bell-and-spigot straight pipe section structure (3) are both bell-and-spigot short straight circular pipe section structures, and their outer wall diameters are the same and are both smaller than twice the wall thickness of the outer wall diameter of the corresponding port of the curved circular tubular elbow structure (1), and the range of smaller than is between 0.7-20 mm.

9. A socket type metal elbow according to claim 1 or 3 or 4 or 5, characterized in that: When the socket-type metal elbow is made of the same material, the material is one of carbon steel, aluminum alloy, stainless steel, titanium alloy, copper and copper alloy.

10. A socket type metal elbow according to claim 1 or 3 or 4 or 5, characterized in that: When the socket-type metal elbow is composed of different materials, the socket-type metal elbow is mainly composed of a main structure and auxiliary materials, and the material of the main structure is one of carbon steel, aluminum alloy, stainless steel, titanium alloy, copper, and copper alloy.