Threaded lining stainless steel elbow

Abstract

The utility model discloses a threaded lining stainless steel elbow which comprises an elbow body, a first connector is installed at one end of the elbow body, a second connector is installed at the other end of the elbow body, and the first connector and the second connector are each internally provided with a sealing lining, a sealing ring and a stainless steel outer connector. The sealing ring is installed on the surface of the front end of the sealing lining in an embedded mode, and the sealing lining is clamped and fixed into the stainless steel outer connector. According to the stainless steel elbow, the components in the stainless steel elbow are conveniently and rapidly installed and designed, the sealing lining structure can be rapidly clamped and fixed in the stainless steel outer connector, the sealing ring is embedded and installed in the annular groove in the sealing lining, and the stainless steel elbow has the advantages of being good in sealing effect and tight and stable in installation; meanwhile, the connector assembly and the elbow body can be quickly connected and fixed through a convenient thread structure, the stainless steel elbow has the advantages of being convenient to assemble and disassemble and tight and stable in connection, and the using effect of the stainless steel elbow is improved.

Description

Technical Field

[0001] This utility model relates to the field of stainless steel elbow technology, specifically to a threaded stainless steel elbow. Background Technology

[0002] As people's living standards and quality of life continue to improve, in order to better improve the quality of drinking water and provide people with safer and healthier drinking water, stainless steel lined pipes are now widely used in the market. However, in the current technology, when pipe fittings are connected to stainless steel lined pipes, the pipe end face and the inside of the fitting cannot fit tightly and seal, leading to corrosion of the pipe end and thus causing drinking water pollution.

[0003] Chinese patent document CN214579604U discloses a threaded stainless steel elbow, belonging to the field of drinking water pipe connector manufacturing technology. This invention includes: an outer sleeve and an inner liner; the outer sleeve is a circular pipe elbow structure; the inner liner is fitted inside the outer sleeve, with a filler layer between the inner liner and the outer sleeve; the inner liner is a stainless steel elbow; threaded interfaces are respectively provided on the inner walls of both ends of the outer sleeve; an elastic sealing ring is also installed at the threaded interface; the sealing ring has a right-angled trapezoidal cross-section, with its two parallel sides contacting the outer wall of the inner liner and the inner wall of the outer sleeve, respectively, and the hypotenuse of the trapezoid facing the threaded interface. This invention uses a sealing ring that fits into the edge of the outer sleeve and the inner liner to connect with the pipe end. The inclined mating surface of the sealing ring provides an elastic installation space, thereby compensating for the tolerance range generated during pipe thread and fitting installation, maintaining pressure-bearing and corrosion-resistant performance while reducing fluid flow resistance.

[0004] The existing stainless steel elbows have complicated internal component installation and fixing, poor sealing at the lining structure, and inconvenient assembly and disassembly. Therefore, it is necessary to develop a new type of threaded stainless steel elbow. Utility Model Content

[0005] The purpose of this utility model is to provide a threaded stainless steel elbow with an inner lining, so as to solve the problems mentioned in the background art of the prior art where the installation and fixing of the internal components of the stainless steel elbow is cumbersome, the sealing of the inner lining structure is poor, and the assembly and disassembly are inconvenient.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a threaded stainless steel elbow, comprising a bending tube body, a first connector installed at one end of the bending tube body, and a second connector installed at the other end of the bending tube body. Both the first connector and the second connector include a sealing liner, a sealing ring, and a stainless steel outer connector. The sealing ring is embedded in the front end surface of the sealing liner, and the sealing liner is snapped and fixed inside the stainless steel outer connector.

[0007] Preferably, the first connector and the second connector are exactly the same size and model, and both the first connector and the second connector are detachable from the main body of the bend.

[0008] Preferably, one end of the sealing liner is provided with a threaded joint, and the inside of the bent pipe body is provided with a threaded groove.

[0009] Preferably, the sealing liner is tightly screwed into the threaded groove via a threaded joint.

[0010] Preferably, the front end surface of the sealing liner has an annular groove, and the sealing ring is tightly fitted and fixed to the annular groove.

[0011] Preferably, one end of the stainless steel external connector is provided with an outer ring tube, and a reinforcing rib seat is provided at the connection between the outer ring tube and the stainless steel external connector.

[0012] Preferably, the stainless steel outer connector has a groove structure inside, the sealing liner is tightly engaged with the groove structure, and a limiting block is installed inside the stainless steel outer connector, the limiting block is fitted and fixed to the outer surface of the sealing liner.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model features a convenient installation design for the internal components of the stainless steel elbow. The sealing liner structure can be quickly snapped and fixed inside the stainless steel outer connector, and the sealing ring is embedded in the annular groove inside the sealing liner. This design provides excellent sealing performance and a tight and stable installation. At the same time, the convenient threaded structure allows for quick connection and fixation between the connector assembly and the elbow body, offering advantages such as easy assembly and disassembly, and a tight and stable connection, thus improving the performance of the stainless steel elbow. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a side view of the present invention.

[0017] Figure 3 This is a schematic diagram of the first connector assembly structure of this utility model;

[0018] Figure 4 This is a schematic diagram of a partial installation structure of the present invention;

[0019] Figure 5 This is an exploded structural diagram of the present invention.

[0020] In the diagram: 1. First connector; 2. Bend body; 3. Reinforcing rib seat; 4. Second connector; 5. Sealing liner; 6. Annular groove; 7. Sealing ring; 8. Stainless steel outer connector; 9. Slot structure; 10. Threaded connector; 11. Outer ring pipe; 12. Limiting block; 13. Threaded groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-3 An embodiment of this utility model provides: a threaded stainless steel elbow, including a bending body 2, a first connector 1 installed at one end of the bending body 2, and a second connector 4 installed at the other end of the bending body 2. Both the first connector 1 and the second connector 4 include a sealing liner 5, a sealing ring 7 and a stainless steel outer connector 8. The sealing ring 7 is embedded in the front end surface of the sealing liner 5, and the sealing liner 5 is snapped and fixed inside the stainless steel outer connector 8.

[0023] Furthermore, the first connector 1 and the second connector 4 are exactly the same size and model. Both the first connector 1 and the second connector 4 are detachable from the main body 2 of the bend, which has the advantages of convenient and quick installation and disassembly, and low assembly cost. The connector and the bend can be quickly assembled into a whole structure.

[0024] Furthermore, a threaded connector 10 is provided at one end of the sealing liner 5, and a threaded groove 13 is provided inside the bent tube body 2. The sealing liner 5 is tightly screwed and fixed to the threaded groove 13 through the threaded connector 10. By adopting the threaded connection method, the sealing liner 5 and the bent tube body 2 can be quickly installed and fixed, which has the advantages of tight and stable connection and convenient disassembly.

[0025] Furthermore, an annular groove 6 is provided on the front surface of the sealing liner 5, and the sealing ring 7 is tightly fitted and fixed to the annular groove 6, which facilitates the quick fitting and fixing of the sealing ring 7 and the sealing liner 5, and has the advantage of good sealing and fixing effect.

[0026] Furthermore, an outer ring tube 11 is provided at one end of the stainless steel outer connector 8, and a reinforcing rib seat 3 is provided at the connection between the outer ring tube 11 and the stainless steel outer connector 8, which plays a role in strengthening the connection and improving the firmness of the connection.

[0027] Furthermore, the stainless steel outer connector 8 has a slot structure 9 inside, and the sealing liner 5 is tightly engaged with the slot structure 9. The stainless steel outer connector 8 has a limiting block 12 inside, which is attached to and fixed to the outer surface of the sealing liner 5. This facilitates quick engagement and fixation between the stainless steel outer connector 8 and the sealing liner 5, and has the advantage of convenient installation and fixation.

[0028] Working principle: In use, a first connector 1 is installed at one end of the bend body 2, and a second connector 4 is installed at the other end. Both the first connector 1 and the second connector 4 include a sealing liner 5, a sealing ring 7, and a stainless steel outer connector 8. One end of the sealing liner 5 is provided with a threaded connector 10, and the inside of the bend body 2 is provided with a threaded groove 13. The sealing liner 5 is tightly screwed and fixed to the threaded groove 13 through the threaded connector 10. By adopting the threaded connection method, the sealing liner 5 and the bend body 2 can be quickly installed and fixed, which has the advantages of tight and stable connection and convenient disassembly. The front surface of the sealing liner 5 is provided with an annular groove 6, and the sealing ring 7 is tightly fitted and fixed with the annular groove 6, which facilitates the quick fitting and fixing of the sealing ring 7 and the sealing liner 5, and has the advantage of good sealing and fixing effect. The stainless steel outer connector 8 is provided with a slot structure 9 inside, and the sealing liner 5 is tightly fitted and connected with the slot structure 9. The stainless steel outer connector 8 is installed with a limiting block 12 inside, which is fitted and fixed with the outer surface of the sealing liner 5, which facilitates the quick snap-fit ​​fixing of the stainless steel outer connector 8 and the sealing liner 5, and has the advantage of convenient installation and fixing.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment are all conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, and will not be described in detail here.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A threaded stainless steel lined elbow, comprising a bend body (2), characterized in that, One end of the bent pipe body (2) is equipped with a first connector (1), and the other end of the bent pipe body (2) is equipped with a second connector (4). The first connector (1) and the second connector (4) both include a sealing liner (5), a sealing ring (7) and a stainless steel outer connector (8). The sealing ring (7) is embedded in the front end surface of the sealing liner (5), and the sealing liner (5) is snapped and fixed inside the stainless steel outer connector (8).

2. The threaded stainless steel elbow according to claim 1, characterized in that: The first connector (1) and the second connector (4) are exactly the same size and model. Both the first connector (1) and the second connector (4) are detachable from the main body of the bend (2).

3. The threaded stainless steel elbow according to claim 1, characterized in that: One end of the sealing liner (5) is provided with a threaded joint (10), and the inside of the bent pipe body (2) is provided with a threaded groove (13).

4. A threaded stainless steel elbow according to claim 3, characterized in that: The sealing liner (5) is tightly screwed and fixed to the threaded groove (13) by a threaded joint (10).

5. A threaded stainless steel elbow according to claim 1, characterized in that: The front end surface of the sealing liner (5) is provided with an annular groove (6), and the sealing ring (7) is tightly fitted and fixed to the annular groove (6).

6. A threaded stainless steel elbow according to claim 1, characterized in that: One end of the stainless steel external connector (8) is provided with an outer ring pipe (11), and a reinforcing rib seat (3) is provided at the connection between the outer ring pipe (11) and the stainless steel external connector (8).

7. A threaded stainless steel elbow according to claim 1, characterized in that: The stainless steel outer connector (8) has a slot structure (9) inside, and the sealing liner (5) is tightly engaged with the slot structure (9). The stainless steel outer connector (8) has a limiting block (12) inside, and the limiting block (12) is fixedly attached to the outer surface of the sealing liner (5).

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