Super austenitic stainless steel pipe fitting

Abstract

The utility model discloses a superaustenitic stainless steel pipe fitting, which relates to the technical field of stainless steel pipe fittings and comprises a pipe body, a positioning ring is fixedly arranged at one end of the pipe body, a connecting seat is fixedly arranged at the other end of the pipe body, a plurality of slots are arranged on the outer side wall of the connecting seat in a surrounding manner, inserting blocks are arranged in the slots in an inserting manner, and the inserting blocks are inserted into the slots. And a positioning block with an arc-shaped structure is fixedly arranged at one end of the insertion block. The positioning ring and the connecting seat are arranged at the two ends of the pipe body respectively, the multiple positioning blocks are arranged on the outer side of the connecting seat, the grooves corresponding to the positioning ring are formed in the inner sides of the positioning blocks, the multiple positioning blocks are matched, the positioning ring can be clamped and fixed, the locking rings are arranged on the outer sides of the positioning blocks, the locking rings are matched with the positioning blocks, and therefore the positioning ring can be clamped and fixed. The positioning ring can be clamped, so that two adjacent pipe bodies can be connected and fixed, the pipe bodies are not prone to loosening after being connected, and the stability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipe fittings, in particular to a super austenitic stainless steel pipe fitting. Background Art

[0002] Austenitic stainless steel refers to stainless steel with austenite structure at room temperature. Austenitic stainless steel pipes contain high nickel content and other austenite-forming elements. These elements promote the formation of austenite phase, making it stable at room temperature or even lower temperatures. Due to the good stability of austenitic stainless steel, austenitic stainless steel pipe fittings have been used more and more widely in recent years. When stainless steel pipe fittings are connected, they are engaged by threads, so long-term work will cause the pipe fittings to loosen and produce gaps, which will not only affect the air tightness of the pipe fittings, but also easily fall off, affecting the use of the pipe fittings.

[0003] For example, a large-diameter austenitic stainless steel pipe with a publication number of CN218267811U includes a first tube body, a connecting ring is fixedly connected to the right side of the first tube body, a groove is arranged on the right side of the connecting ring, a first gasket is fixedly connected inside the groove, a convex ring is arranged on the right side of the first gasket, a second tube body is fixedly connected to the right side of the convex ring, a plurality of fixed shafts are fixedly connected to the left side outer wall of the second tube body, a connecting rod is rotatably connected to the left side of the top end of the fixed shaft, and a clamping block is fixedly connected to the left side of the corresponding connecting ring at the bottom end of the connecting rod. In the utility model, the clamping block is firstly driven to limit the connecting ring by rotating the connecting rod, the connecting rod is limited by pressing the fixed rod, and the fixed rod is rotated to make the slide groove limit area move into the inner slide block, thereby achieving the goal of not being easy to disengage, and at the same time strengthening the sealing of the connection between the first tube body and the second tube body, and facilitating disassembly and installation.

[0004] In actual application, the above technical solution realizes the combined assembly of pipe fittings through the cooperation of multiple sliders and connecting rods. During long-term use, the pipe fittings may become loose and gaps may be generated, which will not only affect the air tightness of the pipe fittings, but also easily fall off, affecting the use effect of the pipe fittings.

[0005] Therefore, it is necessary to invent a super austenitic stainless steel pipe fitting to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a super austenitic stainless steel pipe fitting to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a super austenitic stainless steel pipe fitting, comprising a pipe body, a positioning ring is fixedly provided at one end of the pipe body, a connecting seat is fixedly provided at the other end of the pipe body, a plurality of slots are arranged around the outer wall of the connecting seat, and the slots are arranged as an "L"-shaped structure, an insert block is arranged inside the slot, and the insert block is arranged as an "L"-shaped structure corresponding to the slot, a positioning block with an arc-shaped structure is fixedly provided at one end of the insert block, a groove corresponding to the positioning ring is provided on the inner side wall of the positioning block, an outer side wall of the positioning block is arranged as an inclined structure, and an outer side wall of the positioning block is provided with an external thread, a locking ring is arranged on the outer side of the positioning block, and an inner side wall of the locking ring is provided with an internal thread corresponding to the external thread.

[0008] Preferably, a conical surface is provided on one end of the outer wall of the tube body close to the positioning ring, and a concave surface corresponding to the conical surface is provided on the inner wall of the connecting seat.

[0009] Preferably, an outer side wall of the conical surface is provided with a sealing groove of an annular structure, and the sealing groove is arranged in a semicircular structure.

[0010] Preferably, an adapting groove is provided in the middle of the inner side wall of the concave surface, and the adapting groove is configured as a semicircular structure corresponding to the sealing groove.

[0011] Preferably, sealing rings are arranged inside the adapting groove and the sealing groove, and the sealing rings are arranged in a circular structure.

[0012] Preferably, the top end of the outer side wall of the positioning ring is arranged as an inclined structure.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model provides a positioning ring and a connecting seat at both ends of the pipe body, and a plurality of positioning blocks are provided on the outside of the connecting seat. A groove corresponding to the positioning ring is provided on the inside of the positioning block. The plurality of positioning blocks cooperate to clamp and fix the positioning ring. A locking ring is provided on the outside of the positioning block. The locking ring cooperates with the positioning block to clamp the positioning ring, thereby achieving connection and fixation between two adjacent pipe bodies. The pipe bodies are not easy to loosen after connection, and have strong stability.

[0015] 2. The utility model provides a conical surface at one end of the tube body and a concave surface on the inner side of the connecting seat. The cooperation between the conical surface and the concave surface can effectively ensure the sealing of the tube body connection. A sealing ring is provided between the conical surface and the concave surface. The provision of the sealing ring can further enhance the sealing effect of the tube body connection, thereby ensuring the stability of the tube body during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is an exploded view of the overall structural connection of the utility model.

[0018] Figure 3 It is a cross-sectional schematic diagram of the connection of the overall structure of the utility model.

[0019] In the figure: 1. tube body; 2. positioning ring; 3. connecting seat; 4. slot; 5. plug-in block; 6. positioning block; 7. groove; 8. external thread; 9. locking ring; 10. conical surface; 11. concave surface; 12. sealing groove; 13. adapter groove; 14. sealing ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-3 A super austenitic stainless steel pipe fitting shown in the figure comprises a pipe body 1, a positioning ring 2 is fixedly arranged at one end of the pipe body 1, the top end of the outer wall of the positioning ring 2 is arranged in an inclined structure, and a connecting seat 3 is fixedly arranged at the other end of the pipe body 1;

[0022] Specifically, the outer wall of the connecting seat 3 is surrounded by a plurality of slots 4, and the slots 4 are arranged in an "L"-shaped structure, and an insert block 5 is arranged inside the slot 4, and the insert block 5 is arranged in an "L"-shaped structure corresponding to the slot 4, and a positioning block 6 with an arc structure is fixedly arranged at one end of the insert block 5, and a groove 7 corresponding to the positioning ring 2 is provided on the inner wall of the positioning block 6, and the outer wall of the positioning block 6 is arranged in an inclined structure, and an outer wall of the positioning block 6 is provided with an external thread 8, and a locking ring 9 is provided on the outer sleeve of the positioning block 6, and an internal thread corresponding to the external thread 8 is provided on the inner wall of the locking ring 9, and the locking ring 9 can clamp and fix the plurality of positioning blocks 6, so that the plurality of positioning blocks 6 clamp and fix the positioning ring 2;

[0023] More specifically, a conical surface 10 is provided at one end of the outer wall of the tube body 1 close to the positioning ring 2, and a concave surface 11 corresponding to the conical surface 10 is provided on the inner wall of the connecting seat 3. A sealing groove 12 with an annular structure is provided on the outer wall of the conical surface 10, and the sealing groove 12 is arranged as a semicircular structure. An adapting groove 13 is provided in the middle of the inner wall of the concave surface 11, and the adapting groove 13 is arranged as a semicircular structure corresponding to the sealing groove 12. A sealing ring 14 is arranged inside the adapting groove 13 and the sealing groove 12, and the sealing ring 14 is arranged as a circular structure. The arrangement of the sealing ring 14 can effectively improve the sealing effect at the connection of the tube body 1.

[0024] Working principle of this utility model:

[0025] When the device is in use, the two tube bodies 1 are spliced ​​together, and a plurality of positioning blocks 6 are placed around the outside of the positioning ring 2 to form a ring-shaped structure. Then, the insert block 5 at one end of the positioning block 6 is inserted into the slot 4. The locking ring 9 is rotated to squeeze the positioning block 6 until the plurality of positioning blocks 6 clamp the positioning ring 2. At this time, the positioning block 6 can lock the position between the positioning ring 2 and the connecting seat 3, thereby locking the position between the two adjacent tube bodies 1. Since the positioning block 6 clamps the positioning ring 2 from the outside to the inside, and the positions between the plurality of positioning blocks 6 are locked by the locking ring 9, the connection between the two adjacent tube bodies 1 is not easy to loosen and has strong stability.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A super austenitic stainless steel pipe, comprising a pipe body (1), characterized in that: A positioning ring (2) is fixedly provided at one end of the tube body (1), and a connecting seat (3) is fixedly provided at the other end of the tube body (1). A plurality of slots (4) are arranged around the outer wall of the connecting seat (3), and the slots (4) are arranged in an "L"-shaped structure. An insert block (5) is inserted inside the slot (4), and the insert block (5) is arranged in an "L"-shaped structure corresponding to the slot (4). A positioning block (6) with an arc-shaped structure is fixedly provided at one end of the insert block (5), and a groove (7) corresponding to the positioning ring (2) is provided on the inner wall of the positioning block (6), and an outer wall of the positioning block (6) is arranged in an inclined structure, and an outer wall of the positioning block (6) is provided with an external thread (8). A locking ring (9) is sleeved on the outer side of the positioning block (6), and an inner wall of the locking ring (9) is provided with an internal thread corresponding to the external thread (8).

2. A super austenitic stainless steel pipe fitting according to claim 1, characterized in that: A conical surface (10) is provided at one end of the outer wall of the tube body (1) close to the positioning ring (2), and a concave surface (11) corresponding to the conical surface (10) is provided on the inner wall of the connecting seat (3).

3. A super austenitic stainless steel pipe fitting according to claim 2, characterized in that: The outer side wall of the conical surface (10) is provided with a sealing groove (12) of an annular structure, and the sealing groove (12) is arranged in a semicircular structure.

4. A super austenitic stainless steel pipe fitting according to claim 3, characterized in that: An adapting groove (13) is provided in the middle of the inner side wall of the concave surface (11), and the adapting groove (13) is arranged as a semicircular structure corresponding to the sealing groove (12).

5. A super austenitic stainless steel pipe fitting according to claim 4, characterized in that: A sealing ring (14) is arranged inside the adapting groove (13) and the sealing groove (12), and the sealing ring (14) is arranged in a circular structure.

6. A super austenitic stainless steel pipe fitting according to claim 5, characterized in that: The top end of the outer side wall of the positioning ring (2) is arranged as an inclined structure.

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