High-strength copper elbow pipe fitting

Abstract

The utility model discloses a high-strength copper elbow pipe fitting, which relates to the field of elbow pipe fittings and comprises a pipe body, internal threads are arranged on the inner walls of pipe orifices at two ends of the pipe body, a cleaning component is mounted in the pipe body, connecting components are mounted on the peripheries of the pipe orifices at two ends of the pipe body, and the cleaning component comprises a cleaning hole. The cleaning hole is formed in the bottom end of a bent opening of the pipe body, a first thread is arranged on the outer wall of the cleaning hole, a sealing cover is connected to the periphery of the first thread, a first screw groove is formed in the inner wall of the sealing cover, and a sealing plug is installed at the position, located in the cleaning hole, of the top of the sealing cover. Two positioning seats are fixedly mounted on the periphery of the sealing cover, the first screw groove and the first thread are in threaded connection, and the sealing plug is located in the cleaning hole and matched with the cleaning hole; the internal sealing is improved, cleaning and inspection of the interior of the pipe body are facilitated, meanwhile, the smoothness of the inner wall is improved, and the pipe is suitable for an internal thread and external thread connection mode.

Description

Technical Field

[0001] The utility model relates to the field of elbow pipe fittings, in particular to a high-strength copper elbow pipe fitting. Background Art

[0002] Copper elbow pipe fittings are pipe connectors made of copper materials, usually used to connect different pipe sections and change the direction of the pipe. Copper elbow pipe fittings have high strength, good corrosion resistance and thermal conductivity, and are often used in water pipe systems, air conditioning pipes and heating systems. This solution specifically relates to a high-strength copper elbow pipe fitting;

[0003] When using existing copper elbow pipe fittings, impurities in the liquid easily accumulate at the bend of the pipe body, causing internal blockage, making it inconvenient to clean and inspect the inside of the pipe body. When the diameter of the connected external pipe is larger than the pipe mouth of the pipe body, the internal thread of the pipe mouth affects the liquid flow rate and reduces the smoothness of the inner wall, which has a certain impact on actual use. Utility Model Content

[0004] The main purpose of the utility model is to provide a high-strength copper elbow pipe fitting, which can effectively solve the technical problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A high-strength copper elbow pipe fitting comprises a pipe body, wherein the inner walls of the pipe openings at both ends of the pipe body are provided with internal threads, a cleaning assembly is installed inside the pipe body, and a connecting assembly is installed around the pipe openings at both ends of the pipe body, the cleaning assembly comprises a cleaning hole, the cleaning hole is opened at the bottom end of the elbow of the pipe body, a first thread is opened on the outer wall of the cleaning hole, a sealing cover is connected to the periphery of the first thread, a first screw groove is opened on the inner wall of the sealing cover, a sealing plug is installed on the top of the sealing cover and inside the cleaning hole, and two positioning seats are fixedly installed around the periphery of the sealing cover.

[0007] As a further solution of the utility model, the first screw groove and the first thread are threadedly connected, and the sealing plug is located in the cleaning hole and matches with each other.

[0008] As a further solution of the utility model, a positioning hole is opened through the top of the positioning seat, and the two positioning seats are symmetrically arranged with each other.

[0009] As a further solution of the utility model, the connecting assembly includes a connecting sleeve, which is sleeved on the outer periphery of the pipe mouth of the pipe body, a second screw groove is provided at the inner end of the connecting sleeve, a second thread is provided on the inner wall of the second screw groove, an external thread is provided on the outer periphery of the connecting sleeve near the outer end, and a through hole is provided through the interior of the connecting sleeve.

[0010] As a further solution of the utility model, the second thread and the internal thread are threadedly connected, and the pipe mouth of the pipe body is located in the second thread groove and is matched with each other.

[0011] As a further solution of the utility model, the diameter of the internal through hole of the connecting sleeve is equal to the diameter of the pipe opening of the pipe body, and the diameter of the external thread is greater than the diameter of the internal thread.

[0012] The beneficial effects of the utility model are as follows:

[0013] By setting a cleaning assembly, the sealing cover is installed at the bend of the tube body, the first screw groove is connected with the first thread, and the sealing plug is located in the cleaning hole, so as to improve the sealing inside the tube body, facilitate the cleaning and inspection inside the tube body, reduce the internal blockage, and facilitate the fixing of the entire tube body by using two positioning seats;

[0014] By setting a connecting component, the connecting sleeve is installed at the pipe mouth of the pipe body, so that the internal thread is connected to the second thread, and the pipe mouth is inserted into the second screw groove, which can cover the internal thread, improve the internal sealing and the smoothness of the inner wall, and is suitable for internal thread and external thread connection methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a high-strength copper elbow pipe fitting of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a cleaning component in a high-strength copper elbow pipe fitting of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a connecting component in a high-strength copper elbow pipe fitting of the utility model;

[0018] Figure 4 The utility model is a front view of the whole interior of a high-strength copper elbow pipe fitting.

[0019] In the figure: 1. tube body; 2. internal thread; 3. cleaning assembly; 4. connecting assembly; 5. cleaning hole; 6. first thread; 7. sealing cover; 8. first screw groove; 9. sealing plug; 10. positioning seat; 11. connecting sleeve; 12. second screw groove; 13. second thread; 14. external thread; 15. through hole. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-4As shown, a high-strength copper elbow pipe fitting includes a pipe body 1, the inner walls of the two end pipe openings of the pipe body 1 are provided with internal threads 2, a cleaning component 3 is installed inside the pipe body 1, and a connecting component 4 is installed on the periphery of the two end pipe openings of the pipe body 1, the cleaning component 3 includes a cleaning hole 5, the cleaning hole 5 is opened at the bottom end of the elbow of the pipe body 1, the outer wall of the cleaning hole 5 is provided with a first thread 6, the periphery of the first thread 6 is connected to a sealing cover 7, the inner wall of the sealing cover 7 is provided with a first screw groove 8, a sealing plug 9 is installed on the top of the sealing cover 7 and located inside the cleaning hole 5, and two positioning seats 10 are fixedly installed on the periphery of the sealing cover 7.

[0022] In this embodiment, the first screw groove 8 and the first thread 6 are threadedly connected, and the sealing plug 9 is located in the cleaning hole 5 and is matched with each other. By connecting the first screw groove 8 of the sealing cover 7 with the first thread 6, the cleaning hole 5 is sealed or opened, which facilitates the cleaning of the inside of the tube body 1.

[0023] In this embodiment, a positioning hole is opened at the top of the positioning seat 10, and the two positioning seats 10 are symmetrically arranged with each other. The sealing cover 7 is connected to the tube body 1, and the two positioning seats 10 facilitate the fixing of the entire tube body 1.

[0024] In this embodiment, the connecting component 4 includes a connecting sleeve 11, which is sleeved on the outer periphery of the pipe mouth of the pipe body 1. A second screw groove 12 is provided at the inner end of the connecting sleeve 11, and a second thread 13 is provided on the inner wall of the second screw groove 12. An external thread 14 is provided on the outer periphery of the connecting sleeve 11 near the outer end, and a through hole 15 is provided inside the connecting sleeve 11. The internal thread 2 is covered by the connection between the connecting sleeve 11 and the pipe mouth of the pipe body 1, and is connected to the external pipe through the external thread 14.

[0025] In this embodiment, the second thread 13 and the internal thread 2 are threadedly connected, and the pipe mouth of the tube body 1 is located in the second screw groove 12 and is matched with each other. When the second thread 13 is connected to the internal thread 2, the internal thread 2 covers the internal thread 2, thereby improving the smoothness of the inner wall of the tube body 1.

[0026] In this embodiment, the diameter of the internal through hole 15 of the connecting sleeve 11 is equal to the diameter of the pipe mouth of the pipe body 1, the diameter of the external thread 14 is larger than the diameter of the internal thread 2, the through hole 15 is interconnected with the interior of the pipe body 1, and is connected to an external pipe with a larger diameter through the external thread 14.

[0027] It should be noted that the utility model is a high-strength copper elbow pipe fitting. When in use, two external pipes are connected through the pipe body 1. When the diameter of the external pipe is smaller than the pipe mouth of the pipe body 1, it is connected through the internal thread 2. When the diameter of the external pipe is larger than the pipe mouth of the pipe body 1, the connecting sleeve 11 is connected to the outer periphery of the pipe mouth of the pipe body 1, and the pipe mouth is inserted into the second screw groove 12, so that the internal thread 2 is connected and fixed with the second thread 13, and the internal thread 2 is covered at the same time, and connected with the external pipe through the external thread 14. When inspecting or cleaning the inside of the pipe body 1, the sealing cover 7 is rotated, and the cleaning hole 5 is opened or sealed through the connection between the first screw groove 8 and the first thread 6, so as to clean the bend of the pipe body 1.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-strength copper elbow pipe fitting, comprising a pipe body (1), the inner walls of the two end pipe openings of the pipe body (1) are both provided with internal threads (2), a cleaning assembly (3) is installed inside the pipe body (1), and the outer peripheries of the two end pipe openings of the pipe body (1) are both provided with connecting assemblies (4), characterized in that: The cleaning assembly (3) comprises a cleaning hole (5), the cleaning hole (5) being opened at the bottom end of the bend of the tube body (1), the outer wall of the cleaning hole (5) being provided with a first thread (6), the periphery of the first thread (6) being connected with a sealing cover (7), the inner wall of the sealing cover (7) being provided with a first screw groove (8), a sealing plug (9) being installed at the top of the sealing cover (7) and located inside the cleaning hole (5), and two positioning seats (10) being fixedly installed at the periphery of the sealing cover (7).

2. A high-strength copper elbow pipe fitting according to claim 1, characterized in that: The first screw groove (8) and the first screw thread (6) are threadedly connected, and the sealing plug (9) is located in the cleaning hole (5) and is matched with each other.

3. A high-strength copper elbow pipe fitting according to claim 1, characterized in that: A positioning hole is provided at the top of the positioning seat (10) penetrating the positioning seat, and the two positioning seats (10) are symmetrically arranged with each other.

4. A high-strength copper elbow pipe fitting according to claim 1, characterized in that: The connection assembly (4) comprises a connection sleeve (11), the connection sleeve (11) being sleeved on the outer periphery of the pipe mouth of the pipe body (1), a second screw groove (12) being provided at the inner end of the connection sleeve (11), a second thread (13) being provided on the inner wall of the second screw groove (12), an external thread (14) being provided at the outer periphery of the connection sleeve (11) close to the outer end, and a through hole (15) being provided through the interior of the connection sleeve (11).

5. A high-strength copper elbow pipe fitting according to claim 4, characterized in that: The second thread (13) and the internal thread (2) are threadedly connected, and the pipe mouth of the pipe body (1) is located in the second thread groove (12) and is matched with each other.

6. A high-strength copper elbow pipe fitting according to claim 4, characterized in that: The diameter of the internal through hole (15) of the connecting sleeve (11) is equal to the diameter of the pipe opening of the pipe body (1), and the diameter of the external thread (14) is greater than the diameter of the internal thread (2).

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