90-degree welding elbow

Abstract

The utility model discloses a 90-degree welding elbow which comprises a first pipe head connecting body, the first pipe head connecting body is provided with a second pipe head connecting body, an auxiliary mechanism is arranged between the first pipe head connecting body and the second pipe head connecting body, and the auxiliary mechanism comprises a welding elbow, a first welding ring and a second welding ring. The end of the welding elbow is located on the side of the first pipe head connector, the other end of the welding elbow is located on the top of the second pipe head connector, and the end of the welding elbow is located in an inner cavity of the first welding ring. The first pipe head connecting body, the second pipe head connecting body, the welding bent pipe, the first welding ring and the second welding ring are matched with one another, the welding bent pipe is arranged at 90 degrees, and the welding bent pipe is welded on the first welding ring and the second welding ring, so that the welding bent pipe can be mounted and used with a metal piece with an external bending radius; the diversity of the metal pipe joint is conveniently increased, so that the metal pipe joint has enough safety space and is convenient to operate.

Description

Technical Field

[0001] The utility model relates to the field of metal pipe joints, in particular to a 90-degree welding elbow. Background Art

[0002] Metal pipe joints are usually a commonly used metal connector. Metal pipe joints are key components for connecting metal pipes, hoses, other pipes and mechanical equipment. Metal pipe joints play a vital role in the piping system to ensure the normal flow of media.

[0003] Some metal pipe joints in the prior art are usually set as straight joints and then docked with corresponding equipment for installation. When installing some corresponding equipment, multiple metal pipe straight joints are usually converted for docking. However, this method will result in a large bending radius of metal parts on some equipment, which makes it impossible to install the metal pipe joints with them within a limited space. In addition, the metal pipe joints are not convenient for connection and use with metal parts with a bending radius, and there are certain limitations. Utility Model Content

[0004] The purpose of the present invention is to provide a 90-degree welding elbow to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: a 90-degree welding elbow, comprising:

[0006] a first pipe head connector, wherein a second pipe head connector is provided below the first pipe head connector;

[0007] An auxiliary mechanism is provided between the first pipe head connector and the second pipe head connector, and the auxiliary mechanism includes:

[0008] A welded elbow, wherein one end of the welded elbow is located on the side of the first pipe connector and the other end of the welded elbow is located on the top of the second pipe connector;

[0009] A first welding ring and a second welding ring, the end of the welded elbow is located in the inner cavity of the first welding ring, a first welding portion is provided on the side of the first welding ring, the other end of the welded elbow is located inside the second welding ring, and a second welding portion is provided on the top of the second welding ring.

[0010] Preferably, the first pipe head connector includes:

[0011] a first pipe head body, wherein a circular groove is formed on a side of the first pipe head body, an inner cavity of the circular groove is communicated with an inner cavity of the welded elbow, and an outer surface of the first pipe head body is provided with an external thread;

[0012] A locking nut, wherein the inner wall of the locking nut is provided with an internal thread matching the external thread, and the locking nut thread is inserted and connected to the outside of the first pipe head body.

[0013] Preferably, an iron tooth ring is slidably inserted and connected inside the first pipe head body, and a top sleeve is slidably inserted and connected inside the iron tooth ring.

[0014] Preferably, the second pipe head connector includes a second pipe head main body, and the other end portion of the welded elbow is slidably and interpenetratingly connected to the interior of the second pipe head main body.

[0015] Preferably, a bottom sleeve is slidably inserted and connected inside the second tube head body, and an O-ring is provided on the external sliding sleeve of the second tube head body.

[0016] Preferably, the inner wall of the welded elbow is provided with a first arc surface, and the outer wall of the welded elbow is provided with a second arc surface, and the bending angles of the first arc surface and the second arc surface are both set to ninety degrees.

[0017] The technical effects and advantages of this utility model are:

[0018] The utility model utilizes the mutual cooperation of the first pipe head connector, the second pipe head connector, the welded elbow, the first welding ring and the second welding ring. The welded elbow is set at ninety degrees. The welded elbow is welded to the first welding ring and the second welding ring. The welded elbow connects the first pipe head connector and the second pipe head connector, which is conducive to installation and use with metal parts with an external bending radius, and is convenient for increasing the diversity of metal pipe joints, so that the metal pipe joints have sufficient safety space and are easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model.

[0020] Figure 2 This is a front cross-sectional structural diagram of the first pipe head main body of the present invention.

[0021] In the figure: 1. First pipe head connector; 101. First pipe head body; 102. Locking nut; 103. External thread; 104. Top sleeve; 105. Iron tooth ring; 2. Second pipe head connector; 201. Second pipe head body; 202. Bottom sleeve; 203. O-ring; 3. Auxiliary mechanism; 301. Welded elbow; 302. First welding ring; 303. Second welding ring; 304. First arc surface; 305. Second arc surface. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model provides Figure 1-2 A 90-degree welded elbow shown includes a first pipe head connector 1, and a second pipe head connector 2 is arranged below the first pipe head connector 1. The first pipe head connector 1 and the second pipe head connector 2 are conducive to being connected to external metal parts respectively, and then conducive to connecting the pipelines of external equipment, and at the same time are conducive to connecting to the welded elbow 301.

[0024] Furthermore, an auxiliary mechanism 3 is provided between the first pipe head connector 1 and the second pipe head connector 2. The auxiliary mechanism 3 includes a welding elbow 301. The welding elbow 301 is welded to the first welding ring 302 and the second welding ring 303 by welding, and the first welding portion and the second welding portion are welding positions of the welding elbow 301, which is conducive to connecting the welding elbow 301 with the first pipe head connector 1 and the second pipe head connector 2. The welding elbow 301 is conducive to making the first pipe head connector 1 and the second pipe head connector 2 be bent at ninety degrees, which is conducive to adapting to the connection of metal parts with a bending radius, and saving installation space. The end of the welding elbow 301 is located on the side of the first pipe head connector 1, and the other end of the welding elbow 301 is located on the second pipe At the top of the head connector 2, there are a first welding ring 302 and a second welding ring 303. The first welding ring 302 and the second welding ring 303 are conducive to connecting with the welded elbow 301, which is conducive to increasing the stability of the connection between the welded elbow 301 and the first pipe head connector 1 and the second pipe head connector 2 respectively. The end of the welded elbow 301 is located in the inner cavity of the first welding ring 302, and the side of the first welding ring 302 is provided with a first welding portion. The other end of the welded elbow 301 is located inside the second welding ring 303, and the top of the second welding ring 303 is provided with a second welding portion. The inner wall of the welded elbow 301 is provided with a first arc surface 304, and the outer wall of the welded elbow 301 is provided with a second arc surface 305. The bending angles of the first arc surface 304 and the second arc surface 305 are both set to ninety degrees.

[0025] Specifically, the first pipe head connector 1 includes a first pipe head body 101 and a locking nut 102. The first pipe head body 101 is conducive to connecting with an external pipe, and the locking nut 102 is conducive to locking the relative position of the external metal pipe and the first pipe head body 101. A circular groove is opened on the side of the first pipe head body 101, and the inner cavity of the circular groove is connected to the inner cavity of the welded elbow 301. The outside of the first pipe head body 101 is provided with an external thread 103, and the inner wall of the locking nut 102 is provided with an internal thread matching the external thread 103. The locking nut 102 is threadedly inserted and connected to the outside of the first pipe head body 101. The interior of the first pipe head body 101 is slidably inserted and connected with an iron tooth ring 105. The iron tooth ring 105 and the top sleeve 104 are conducive to limiting the installation of the external metal pipe. The interior of the iron tooth ring 105 is slidably inserted and connected with the top sleeve 104.

[0026] Specifically, the second tube head connector 2 includes a second tube head body 201, which is conducive to the passage of wires and cables and protects the wires and cables. The other end of the welded elbow 301 is connected to the interior of the second tube head body 201 through a sliding connection. The interior of the second tube head body 201 is connected through a sliding connection with a bottom sheath 202, which is conducive to protecting the wires and cables. The external sliding sleeve of the second tube head body 201 is provided with an O-ring 203.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A 90-degree welding elbow, comprising: A first pipe head connector (1), wherein a second pipe head connector (2) is provided below the first pipe head connector (1); It is characterized in that an auxiliary mechanism (3) is provided between the first pipe head connector (1) and the second pipe head connector (2), and the auxiliary mechanism (3) comprises: A welded elbow (301), wherein an end of the welded elbow (301) is located on the side of the first pipe head connector (1), and the other end of the welded elbow (301) is located on the top of the second pipe head connector (2); A first welding ring (302) and a second welding ring (303), the end of the welding elbow (301) is located in the inner cavity of the first welding ring (302), the side of the first welding ring (302) is provided with a first welding portion, the other end of the welding elbow (301) is located inside the second welding ring (303), and the top of the second welding ring (303) is provided with a second welding portion.

2. A 90-degree welding elbow according to claim 1, characterized in that: The first pipe head connector (1) comprises: A first pipe head body (101), wherein a circular groove is provided on the side of the first pipe head body (101), the inner cavity of the circular groove is communicated with the inner cavity of the welded elbow (301), and an external thread (103) is provided on the outside of the first pipe head body (101); A locking nut (102), wherein the inner wall of the locking nut (102) is provided with an internal thread that matches the external thread (103), and the locking nut (102) is threadedly inserted and connected to the outside of the first pipe head body (101).

3. A 90-degree welding elbow according to claim 2, characterized in that: An iron tooth ring (105) is slidably inserted and connected inside the first pipe head body (101), and a top protective sleeve (104) is slidably inserted and connected inside the iron tooth ring (105).

4. The 90-degree welding elbow according to claim 1, characterized in that: The second pipe head connector (2) comprises a second pipe head main body (201), and the other end of the welded elbow (301) is connected to the interior of the second pipe head main body (201) by sliding and inserting.

5. The 90-degree welding elbow according to claim 4, characterized in that: The interior of the second pipe head body (201) is slidably connected with a bottom protective sleeve (202), and the exterior sliding sleeve of the second pipe head body (201) is provided with an O-ring (203).

6. The 90-degree welding elbow according to claim 1, characterized in that: The inner wall of the welded elbow (301) is provided with a first arc surface (304), and the outer wall of the welded elbow (301) is provided with a second arc surface (305). The bending angles of the first arc surface (304) and the second arc surface (305) are both set to 90 degrees.

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