Stainless steel 90-degree elbow joint

Abstract

The utility model relates to the field of pipeline connecting equipment, and discloses a stainless steel 90-degree elbow joint which comprises an elbow structure, a protective sleeve assembly and a fastening structure, the protective sleeve assembly is sleeved outside the elbow structure, the fastening structure is arranged outside the protective sleeve assembly, an elbow is arranged outside the elbow structure, and a connecting ring is arranged on one side of the elbow. The protective sleeve assembly comprises a protective sleeve and a fixing ring, and the fixing ring is arranged on one side of the protective sleeve; connecting blocks are arranged on the two sides of the exterior of the fastening structure, springs are connected to the middles of the connecting blocks, connecting rods are arranged at the bottoms of the connecting blocks, and adjusting rods are arranged at the tops of the connecting rods. According to the stainless steel elbow, the protection sleeve assembly is arranged to protect the outside of the stainless steel elbow, and the fastening structure is arranged at the elbow connector to reinforce the fastening effect.

Description

Technical Field

[0001] The utility model relates to the field of pipeline connection equipment, in particular to a stainless steel 90-degree elbow joint. Background Art

[0002] In the piping system, elbows are pipe fittings that change the direction of the pipeline. According to the angle, there are three most commonly used elbows: 45 degrees, 90 degrees and 180 degrees. In addition, according to the needs of the project, there are also other abnormal angle elbows such as 60 degrees. The materials of elbows include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics. Elbows are a commonly used connecting pipe fitting in life. They are used to connect the bends of the pipeline. Their main function is to change the direction of the pipeline.

[0003] Application publication number CN218294878U discloses an elbow joint comprising a joint body with connection mechanisms at both ends for connecting to adjacent pipelines. A flow-blocking mechanism is installed within the joint body, located at one end of the medium inlet of the joint body. This utility model creates a certain resistance to the medium flowing through the elbow joint, effectively preventing the elbow from being subjected to excessive pressure during the flow of the medium, thereby improving the service life of the elbow joint.

[0004] In the prior art, the elbow joint is composed of components such as a joint body, a connecting mechanism and a flow-blocking mechanism to realize the connection function. The flow-blocking mechanism is provided to perform the flow-blocking effect to prevent the elbow joint from being subjected to excessive pressure during the flow of the medium. The outside of the elbow is susceptible to wear and surface scratches. At the same time, when the elbow is docked with other connecting pipes, the connection is prone to insufficient sealing, causing leakage of fluid and medium, thereby affecting the use effect of the elbow joint. Utility Model Content

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

[0006] The utility model is a stainless steel 90-degree elbow joint, comprising an elbow structure, a protective sleeve assembly and a fastening structure, wherein the protective sleeve assembly is sleeved on the outside of the elbow structure, the fastening structure is provided on the outside of the protective sleeve assembly, the elbow is provided on the outside of the elbow structure, and a connecting ring is provided on one side of the elbow; the protective sleeve assembly comprises a protective sleeve and a fixing ring, and a fixing ring is provided on one side of the protective sleeve; connecting blocks are provided on both sides of the outside of the fastening structure, a spring is connected to the middle of the connecting block, a connecting rod is provided at the bottom of the connecting block, and an adjusting rod is provided at the top of the connecting rod.

[0007] A protective sleeve assembly is provided to protect the exterior of the stainless steel elbow by sleeved protective sleeves on both ends of the elbow, thereby reducing damage to the elbow during use and extending the service life of the elbow.

[0008] In addition, a fastening structure is provided to strengthen the fastening effect at the elbow interface, so that the elbow and the pipeline are connected and installed with enhanced sealing effect. At the same time, a spring is provided in the middle of the connecting block to achieve free adjustment, so that the fastening structure is suitable for connecting pipes of different types and sizes, expanding the scope of use of the fastening structure.

[0009] Furthermore, the bent pipe is a 90-degree pipe with a through pipe inside, and the bent pipe is a circular pipe with a connecting ring sleeved on one side of the outside.

[0010] Furthermore, the protective sleeve is a circular sleeve and is provided with two groups of equal lengths. The protective sleeves are respectively adapted to be connected to the outside of the bent pipe. A fixing ring is provided on one side of the protective sleeve. The fixing ring is a circular ring and is adapted to be connected to the protective sleeve.

[0011] Furthermore, the connecting block is "L"-shaped and has a circular block inside, and through openings are provided on both sides of the connecting block, and the through openings are circular. The connecting block is provided with two groups and distributed in a straight line and a spring connection is provided at the inner center position, and the two sides of the spring are adaptively connected to the connecting block, the connecting rod is cylindrical and has equal length, and the adjusting rod is a column and the bottom is adaptively connected to the through opening.

[0012] Furthermore, the connecting ring is a circular ring and is adapted to be connected to the curved pipe inside. There are two groups of connecting rings of equal size.

[0013] Furthermore, the connecting rod includes a notch tube and a protrusion. The notch tube is a circular tube with a circular opening formed inside. The protrusion is a circular block and is adapted to be connected to the circular opening.

[0014] The utility model has the following beneficial effects:

[0015] (1) The utility model provides a protective sleeve assembly, which protects the exterior of the stainless steel elbow by sleeves on both ends of the elbow, thereby reducing damage to the elbow during use and extending the service life of the elbow.

[0016] (2) The utility model provides a fastening structure to strengthen the fastening effect at the elbow interface, thereby enhancing the sealing effect of the elbow and the pipeline connection installation. At the same time, a spring is provided in the middle of the connecting block to achieve free adjustment, so that the fastening structure is applicable to connecting pipes of different types and sizes, thereby expanding the scope of use of the fastening structure.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. 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 these drawings without creative work.

[0019] Figure 1 It is an overall schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the elbow structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the protective cover assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the fastening structure of the utility model;

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] In the figure: 1. elbow structure; 2. protective sleeve assembly; 3. fastening structure; 101. elbow; 102. connecting ring; 201. protective sleeve; 202. fixing ring; 301. connecting block; 302. spring; 303. connecting rod; 304. adjusting rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figures 1-4 As shown, the utility model is a stainless steel 90-degree elbow joint, comprising an elbow structure 1, a protective sleeve assembly 2 and a fastening structure 3. The protective sleeve assembly 2 is sleeved on the outside of the elbow structure 1, and the fastening structure 3 is provided on the outside of the protective sleeve assembly 2. The elbow structure 1 is provided with an elbow 101 on the outside, and a connecting ring 102 is provided on one side of the elbow 101; the protective sleeve assembly 2 comprises a protective sleeve 201 and a fixing ring 202, and the protective sleeve 201 has a fixing ring 202 on one side; connecting blocks 301 are provided on both sides of the outside of the fastening structure 3, a spring 302 is connected to the middle of the connecting block 301, a connecting rod 303 is provided at the bottom of the connecting block 301, and an adjusting rod 304 is provided on the top of the connecting rod 303.

[0027] A protective sleeve assembly 2 is provided to protect the exterior of the stainless steel elbow 101 by sleeves 201 on both ends of the elbow 101, thereby reducing damage to the elbow 101 during use and extending the service life of the elbow 101;

[0028] In addition, a fastening structure 3 is provided to strengthen the fastening effect at the interface of the elbow 101, so that the elbow 101 and the pipeline connection installation have a strengthened sealing effect. At the same time, a spring 302 is provided in the middle of the connecting block 301 to achieve free adjustment, so that the fastening structure 3 is suitable for connecting pipes of different types and sizes, thereby expanding the scope of use of the fastening structure 3.

[0029] The elbow 101 is a 90-degree pipe with a through pipe inside. The elbow 101 is a circular pipe with a connecting ring 102 sleeved on one side of the outside.

[0030] The protective sleeve 201 is a circular sleeve and has two groups of equal lengths. The protective sleeves 201 are respectively adapted to be connected to the outside of the bent pipe 101. A fixing ring 202 is provided on one side of the protective sleeve 201. The fixing ring 202 is a circular ring and is adapted to be connected to the protective sleeve 201.

[0031] The connecting block 301 is "L"-shaped and has a circular block inside. There are through openings on both sides of the connecting block 301, and the through openings are circular. The connecting block 301 has two groups and is distributed in a straight line. A spring 302 is provided at the center of the inner side for connection. The two sides of the spring 302 are adapted to be connected with the connecting block 301. The connecting rod 303 is cylindrical and of equal length. The adjusting rod 304 is a column and its bottom is adapted to be connected with the through opening.

[0032] The connecting ring 102 is a circular ring and is adapted to be connected to the elbow 101 inside. There are two groups of connecting rings 102 of equal size.

[0033] The connecting rod 303 includes a notch tube and a protrusion. The notch tube is a circular tube with a circular opening formed inside. The protrusion is a circular block and is adapted to be connected with the circular opening.

[0034] Working principle: When in use, connecting rings 102 are installed at both ends of the elbow 101 to reduce wear on both sides, and a protective sleeve 201 is sleeved on the outside of the elbow 101 to reduce external damage during use, and the position of the protective sleeve 201 is limited by the fixing ring 202, so that the protective function of the protective sleeve 201 can be applied normally. At the same time, a fastening structure 3 is installed at the connection between the elbow 101 and other connecting pipes, and the inner diameter of the fastening structure 3 is freely adjusted by the spring 302 and the adjusting rod 304 in the middle of the connecting block 301, so that the fastening structure 3 is suitable for connecting pipes of different types and sizes, and the size of the inner diameter of the connecting block 301 is limited by the installation of the notch tube and the protrusion.

[0035] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A stainless steel 90-degree elbow joint, comprising an elbow structure (1), a protective sleeve assembly (2) and a fastening structure (3), characterized in that: The outer portion of the bent pipe structure (1) is provided with a protective sleeve assembly (2), the outer portion of the protective sleeve assembly (2) is provided with a fastening structure (3), the outer portion of the bent pipe structure (1) is provided with a bent pipe (101), and one side of the bent pipe (101) is provided with a connecting ring (102); The protective sleeve assembly (2) comprises a protective sleeve (201) and a fixing ring (202), wherein the fixing ring (202) is provided on one side of the protective sleeve (201); Connecting blocks (301) are provided on both sides of the exterior of the fastening structure (3), a spring (302) is connected to the middle of the connecting block (301), a connecting rod (303) is provided at the bottom of the connecting block (301), and an adjusting rod (304) is provided at the top of the connecting rod (303).

2. A stainless steel 90-degree elbow joint according to claim 1, characterized in that: The curved pipe (101) is a 90-degree pipe with a through pipe inside. The curved pipe (101) is a circular pipe with a connecting ring (102) sleeved on one side of the outside.

3. A stainless steel 90-degree elbow joint according to claim 2, characterized in that: The protective sleeve (201) is a circular sleeve and is provided with two groups of equal lengths. The protective sleeves (201) are respectively adapted to be connected to the outside of the bend pipe (101). A fixing ring (202) is provided on one side of the protective sleeve (201). The fixing ring (202) is a circular ring and is adapted to be connected to the protective sleeve (201).

4. The stainless steel 90-degree elbow joint according to claim 3, characterized in that: The connecting block (301) is L-shaped and has a circular interior. Through-holes are provided on both sides of the connecting block (301). The through-holes are circular. The connecting block (301) is provided with two groups of springs (302) distributed in a straight line and provided at the center of the inner side for connection. Both sides of the springs (302) are adapted to be connected to the connecting block (301). The connecting rods (303) are cylindrical and have equal length. The adjusting rods (304) are cylindrical and have a bottom adapted to be connected to the through-holes.

5. The stainless steel 90-degree elbow joint according to claim 2, characterized in that: The connecting ring (102) is a circular ring and is internally adapted to be connected to the curved pipe (101). Two groups of connecting rings (102) are provided and are of equal size.

6. The stainless steel 90-degree elbow joint according to claim 4, characterized in that: The connecting rod (303) comprises a notch tube and a convex block, wherein the notch tube is a circular tube with a circular opening formed inside, and the convex block is a circular block and is adapted to be connected with the circular opening.

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