Stainless steel pipe fitting convenient to install

Abstract

The utility model relates to the technical field of stainless steel pipes, and discloses a stainless steel pipe fitting convenient to install, a steel pipe A and a steel pipe B are connected through a connecting assembly, and the connecting assembly comprises a flange A fixedly arranged on the right side of the steel pipe A, a flange B fixedly arranged on the left side of the steel pipe B, a positioning sleeve fixedly arranged on the left side of the flange A and a positioning column fixedly arranged on the left side of the flange B; one end of the spring is fixedly connected with the bottom wall of the inner hole of the placing sleeve, the other end of the spring is fixedly connected with the magnet, the positioning column is made of iron, the positioning column is connected with the magnet in a magnetic attraction mode after being inserted into the positioning sleeve, and the flange A and the flange B are fixedly connected through the fixing assembly after the positioning column is inserted into the positioning sleeve. The quick positioning and mounting device has the beneficial effect of quick positioning and mounting, and solves the problems that the steel pipes are completely fixed after welding connection, so that the disassembly and assembly are inconvenient, and the mounting speed is low as the through holes need to be manually aligned during flange connection.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipes, in particular to a stainless steel pipe fitting which is easy to install. Background Art

[0002] Stainless steel pipe is a hollow long round steel, which is widely used in industrial pipelines such as petroleum, chemical, medical, food, light industry, mechanical instrumentation, and mechanical structural parts. In addition, when the bending and torsional strength are the same, the weight is lighter, so it is also widely used in the manufacture of mechanical parts and engineering structures.

[0003] Existing stainless steel pipes are connected by welding, but after welding, the steel pipe is completely fixed, which will cause the problem of inconvenient disassembly and assembly. Existing stainless steel pipes are also connected by flanges, but the through holes need to be manually aligned during flange connection, which will cause the problem of slow installation speed. Utility Model Content

[0004] The utility model aims to provide a stainless steel pipe which is easy to install, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel pipe fitting that is easy to install, comprising a steel pipe A and a steel pipe B located on the right side of the steel pipe A, characterized in that: the steel pipe A and the steel pipe B are connected by a connecting assembly, and the connecting assembly comprises a flange A fixedly arranged on the right side of the steel pipe A, a flange B fixedly arranged on the left side of the steel pipe B, a positioning sleeve fixedly arranged on the left side of the flange A, a positioning column fixedly arranged on the left side of the flange B, a placement sleeve fixedly arranged below the positioning sleeve, a spring located inside the placement sleeve, a magnet located inside the positioning sleeve, and a fixing assembly, the inner hole of the positioning sleeve is connected to the inner hole of the placement sleeve, one end of the spring is fixedly connected to the bottom wall of the inner hole of the placement sleeve, and the other end of the spring is fixedly connected to the magnet, the positioning column is made of iron, and after the positioning column is inserted into the positioning sleeve, it is magnetically connected to the magnet, and after the positioning column is inserted into the positioning sleeve, the flange A and the flange B are fixedly connected by the fixing assembly.

[0006] Preferably, the fixing assembly includes a plurality of screws and nuts, and a plurality of through holes A and through holes B are respectively provided on the flange A and flange B. After the positioning column is inserted into the positioning sleeve, the through hole A is aligned with the through hole B. After the screw is inserted into the through hole A and the through hole B, it is fixedly connected to the flange A and the flange B through the nut.

[0007] Preferably, the fixing assembly also includes a locking sleeve mounted on flange A and a threaded sleeve fixedly mounted on the outside of flange B. A thread is provided on the side wall of the inner hole of the locking sleeve. A pressure ring is fixedly mounted on the left side of flange A on the left side of the locking sleeve. The inner hole diameter of the pressure ring is smaller than the diameter of flange A. After the locking sleeve is screwed onto the threaded sleeve, the pressure ring is fixedly connected to flange A.

[0008] Preferably, the connecting assembly also includes a convex ring and a sealing gasket fixedly arranged on the right side of flange A, a sealing groove is opened on the left side wall of flange B, and the sealing gasket is located inside the sealing groove. When flange A and flange B are fixedly connected, the convex ring is inserted into the sealing groove and fixedly connected to the sealing gasket.

[0009] Preferably, the left end of the positioning column is spherical, and the positioning sleeve is provided with rounded corners.

[0010] Preferably, a plurality of anti-slip strips are fixedly provided on the outer side of the lock sleeve.

[0011] Preferably, the sealing gasket is made of fluororubber.

[0012] The beneficial effect of the utility model is that when assembling the utility model, firstly, flange A and flange B are oriented toward each other, and then the positioning column is aligned and inserted into the positioning sleeve. Since one end of the spring is fixedly connected to the bottom wall of the inner hole of the placement sleeve, and the other end of the spring is fixedly connected to the magnet, the positioning column is made of iron. After the positioning column is inserted into the positioning sleeve, the spring will squeeze the magnet to make it magnetically connected with the positioning column, thereby playing a role in fixing the positioning column. At this time, the through hole A is aligned with the through hole B. After the screws are inserted into the through hole A and the through hole B, they are fixedly connected to the flange A and the flange B through the nut, and the flange A and the flange B can be locked. It plays a role in quick positioning and installation; the locking sleeve is set on flange A, and then the locking sleeve is screwed onto the threaded sleeve and threadedly connected with the threaded sleeve. At this time, the pressure ring will squeeze flange A and press flange A and flange B tightly, which plays a role in further fixing flange A and flange B, thereby fixing steel pipe A and steel pipe B to complete the assembly of the utility model; in summary, the utility model has the beneficial effect of quick positioning and installation, solves the problem that the steel pipe is completely fixed after welding connection, resulting in inconvenient disassembly and assembly, and the flange connection requires manual alignment of the through holes, resulting in a slow installation speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 It is a schematic diagram of the left structure of the utility model;

[0014] Attached Figure 2 It is a schematic diagram of the right side structure of the utility model;

[0015] Attached Figure 3 It is a left view of the utility model;

[0016] Attached Figure 4 For attachment Figure 3 Sectional view at AA;

[0017] Attached Figure 5 For attachment Figure 3 Cross-sectional view at BB in the middle.

[0018] In the figure: steel pipe A1, steel pipe B2, flange A3, flange B4, positioning sleeve 5, positioning column 6, placement sleeve 7, spring 8, magnet 9, screw 10, nut 11, through hole A12, through hole B13, locking sleeve 14, threaded sleeve 15, pressure ring 16, convex ring 17, sealing gasket 18, sealing groove 19, fillet 20, anti-slip strip 21. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] like Figure 1-5 As shown, the utility model discloses a stainless steel pipe fitting which is easy to install, comprising a steel pipe A1 and a steel pipe B2 located on the right side of the steel pipe A1, wherein the steel pipe A1 is connected to the steel pipe B2 through a connecting assembly, wherein the connecting assembly comprises a flange A3 fixedly arranged on the right side of the steel pipe A1, a flange B4 fixedly arranged on the left side of the steel pipe B2, a positioning sleeve 5 fixedly arranged on the left side of the flange A3, a positioning column 6 fixedly arranged on the left side of the flange B4, a placement sleeve 7 fixedly arranged below the positioning sleeve 5, a spring 8 located inside the placement sleeve 7, a magnet 9 located inside the positioning sleeve 5, and a fixing assembly, wherein the inner hole of the positioning sleeve 5 is connected to the inner hole of the placement sleeve 7, one end of the spring 8 is fixedly connected to the bottom wall of the inner hole of the placement sleeve 7, and the other end of the spring 8 is fixedly connected to the magnet 9, the positioning column 6 is made of iron, and after the positioning column 6 is inserted into the positioning sleeve 5, it is magnetically connected to the magnet 9, and after the positioning column 6 is inserted into the positioning sleeve 5, the flange A3 and the flange B4 are fixedly connected through the fixing assembly. When assembling the utility model, firstly make flange A3 and flange B4 face each other, then align the positioning column 6 and insert it into the positioning sleeve 5. Since one end of the spring 8 is fixedly connected to the bottom wall of the inner hole of the placement sleeve 7, and the other end of the spring 8 is fixedly connected to the magnet 9, the positioning column 6 is made of iron. After the positioning column 6 is inserted into the positioning sleeve 5, the spring 8 will squeeze the magnet 9 to make it magnetically connected with the positioning column 6, thereby fixing the positioning column 6. At this time, the through hole A12 is aligned with the through hole B13. After the screw 10 is inserted into the through hole A12 and the through hole B13, it is fixedly connected to the flange A3 and the flange B4 through the nut 11, and the flange A3 and the flange B4 can be locked. It plays a role in quick positioning and installation; the locking sleeve 14 is sleeved on the flange A3, and then the locking sleeve 14 is screwed onto the threaded sleeve 15 and threadedly connected with the threaded sleeve 15. At this time, the pressure ring 16 will squeeze the flange A3 and press the flange A3 and the flange B4 tightly, which plays a role in further fixing the flange A3 and the flange B4, thereby fixing the steel pipe A1 and the steel pipe B2 to complete the assembly of the utility model; in summary, the utility model has the beneficial effect of quick positioning and installation, and solves the problem that the steel pipe is completely fixed after welding connection, which makes it inconvenient to disassemble and assemble, and the flange connection requires manual alignment of the through holes, which leads to the problem of slow installation speed.

[0021] Preferably, the fixing assembly includes a plurality of screws 10 and nuts 11, and the flange A3 and flange B4 are respectively provided with a plurality of through holes A12 and through holes B13. After the positioning column 6 is inserted into the positioning sleeve 5, the through holes A12 and B13 are aligned, and after the screw 10 is inserted into the through holes A12 and B13, it is fixedly connected to the flange A3 and flange B4 through the nut 11. Since the through holes A12 and B13 are aligned after the positioning column 6 is inserted into the positioning sleeve 5, it plays a role in quickly aligning the through holes A12 and B13; since the screw 10 is fixedly connected to the flange A3 and flange B4 through the nut 11 after the through holes A12 and B13 are inserted, it plays a role in quickly positioning and installing.

[0022] Preferably, the fixing assembly further comprises a locking sleeve 14 sleeved on the flange A3, a threaded sleeve 15 fixedly arranged on the outer side of the flange B4, a thread is arranged on the side wall of the inner hole of the locking sleeve 14, a pressing ring 16 located on the left side of the flange A3 is fixedly arranged on the left side of the locking sleeve 14, the inner hole diameter of the pressing ring 16 is smaller than the diameter of the flange A3, and the pressing ring 16 is fixedly connected to the flange A3 after the locking sleeve 14 is screwed onto the threaded sleeve 15. Since the inner hole diameter of the pressing ring 16 is smaller than the diameter of the flange A3, when the locking sleeve 14 is screwed onto the threaded sleeve 15, the pressing ring 16 will squeeze the flange A3, and press the flange A3 and the flange B4 tightly, which plays a role in further fixing the flange A3 and the flange B4.

[0023] Preferably, the connection assembly further comprises a convex ring 17 and a sealing gasket 18 fixedly arranged on the right side of the flange A3, a sealing groove 19 is provided on the left side wall of the flange B4, the sealing gasket 18 is located inside the sealing groove 19, and when the flange A3 is fixedly connected to the flange B4, the convex ring 17 is inserted into the sealing groove 19 and fixedly connected to the sealing gasket 18. Since the sealing gasket 18 is located inside the sealing groove 19, when the flange A3 is fixedly connected to the flange B4, the convex ring 17 is inserted into the sealing groove 19 and fixedly connected to the sealing gasket 18, so that the sealing gasket 18 is fixed between the convex ring 17 and the flange B4, thereby playing a sealing role.

[0024] Preferably, the left end of the positioning post 6 is spherical, and the positioning sleeve 5 is provided with a rounded corner 20. Since the left end of the positioning post 6 is spherical and the positioning sleeve 5 is provided with a rounded corner 20, it is convenient for the positioning post 6 to be inserted into the positioning sleeve 5.

[0025] Preferably, a plurality of anti-slip strips 21 are fixedly disposed on the outer side of the lock sleeve 14. Since a plurality of anti-slip strips 21 are fixedly disposed on the outer side of the lock sleeve 14, the lock sleeve 14 is prevented from slipping when it is rotated.

[0026] Preferably, the sealing gasket 18 is made of fluororubber. Since the sealing gasket 18 is made of fluororubber, it has the characteristics of wear resistance and aging resistance.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stainless steel pipe fitting that is easy to install, comprising a steel pipe A (1) and a steel pipe B (2) located on the right side of the steel pipe A (1), characterized in that: The steel pipe A (1) and the steel pipe B (2) are connected via a connecting assembly, the connecting assembly comprising a flange A (3) fixedly arranged on the right side of the steel pipe A (1), a flange B (4) fixedly arranged on the left side of the steel pipe B (2), a positioning sleeve (5) fixedly arranged on the left side of the flange A (3), a positioning column (6) fixedly arranged on the left side of the flange B (4), a placement sleeve (7) fixedly arranged below the positioning sleeve (5), a spring (8) located inside the placement sleeve (7), a magnet (9) located inside the positioning sleeve (5), and a fixing assembly, wherein the inner hole of the positioning sleeve (5) is communicated with the inner hole of the placement sleeve (7), one end of the spring (8) is fixedly connected to the bottom wall of the inner hole of the placement sleeve (7), and the other end of the spring (8) is fixedly connected to the magnet (9), the positioning column (6) is made of iron, and after the positioning column (6) is inserted into the positioning sleeve (5), it is magnetically connected to the magnet (9), and after the positioning column (6) is inserted into the positioning sleeve (5), the flange A (3) and the flange B (4) are fixedly connected via the fixing assembly.

2. A stainless steel pipe fitting that is easy to install according to claim 1, characterized in that: The fixing assembly comprises a plurality of screws (10) and nuts (11); the flange A (3) and the flange B (4) are respectively provided with a plurality of through holes A (12) and through holes B (13); after the positioning column (6) is inserted into the positioning sleeve (5), the through holes A (12) and the through holes B (13) are aligned; after the screws (10) are inserted into the through holes A (12) and the through holes B (13), they are fixedly connected to the flange A (3) and the flange B (4) through the nuts (11).

3. A stainless steel pipe fitting that is easy to install according to claim 2, characterized in that: The fixing assembly further comprises a locking sleeve (14) sleeved on the flange A (3), and a threaded sleeve (15) fixedly arranged on the outer side of the flange B (4); a thread is arranged on the side wall of the inner hole of the locking sleeve (14); a pressure ring (16) is fixedly arranged on the left side of the flange A (3) on the left side of the locking sleeve (14); the inner hole diameter of the pressure ring (16) is smaller than the diameter of the flange A (3); after the locking sleeve (14) is screwed onto the threaded sleeve (15), the pressure ring (16) is fixedly connected to the flange A (3).

4. The stainless steel pipe fitting that is easy to install according to claim 1, characterized in that: The connection assembly further comprises a convex ring (17) and a sealing gasket (18) fixedly arranged on the right side of the flange A (3); a sealing groove (19) is provided on the left side wall of the flange B (4); the sealing gasket (18) is located inside the sealing groove (19); when the flange A (3) and the flange B (4) are fixedly connected, the convex ring (17) is inserted into the sealing groove (19) and fixedly connected to the sealing gasket (18).

5. The stainless steel pipe fitting that is easy to install according to claim 1, characterized in that: The left end of the positioning column (6) is spherical, and the positioning sleeve (5) is provided with a rounded corner (20).

6. A stainless steel pipe fitting that is easy to install according to claim 3, characterized in that: A plurality of anti-slip strips (21) are fixedly arranged on the outer side of the locking sleeve (14).

7. A stainless steel pipe fitting that is easy to install according to claim 4, characterized in that: The sealing gasket (18) is made of fluororubber.

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