Stainless steel pipe fastener

Abstract

The utility model relates to the technical field of stainless steel pipes, and discloses a stainless steel pipe fastener which comprises a steel pipe, a connecting pipe is arranged on one side of the steel pipe, pipe grooves are formed in the two ends of the connecting pipe, the inner walls of the pipe grooves are in interference fit with the side wall of the steel pipe, clamping devices are arranged at the two ends of the connecting pipe, and one side of each clamping device is connected with an adjusting device. The steel pipes, the connecting pipe, the pipe grooves, the clamping device, the adjusting device and the like are arranged and used in cooperation, when the cut steel pipes are connected, the cut ends of the two sections of steel pipes are inserted into the pipe grooves in the two ends of the connecting pipe, the pipe grooves provide certain stretching space for the steel pipes, and uneven notches of the steel pipes cannot affect fixing of the steel pipes through the pipe grooves; at the moment, the clamping device can fix the steel pipe in interference fit with the pipe groove, the adjusting device can move the clamping device to one side of the connecting pipe, then the clamping device can be used for fixing the steel pipe firstly, then the adjusting device is used for moving the clamping device to enable the steel pipe to slide into the pipe groove, and the steel pipe can be conveniently connected.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipes, in particular to a stainless steel pipe fastener. Background Art

[0002] Stainless steel pipe is a high-performance material with excellent corrosion resistance and beautiful appearance. It is widely used in industrial pipelines such as petroleum, chemical industry, light industry, mechanical instruments, and mechanical structural components.

[0003] But the following problems still exist:

[0004] When two stainless steel pipes need to be connected, flanges or welding are usually used to connect the stainless steel pipes. The welding method has better stability and stronger sealing performance, but it is not convenient to disassemble. Although the flange connection is convenient for fixing and disassembly, it requires the stainless steel pipe itself to have a flange structure on the end. It cannot be used for stainless steel pipes cut during the construction process. The cut stainless steel pipes are difficult to weld because the cut will be uneven.

[0005] Therefore, we propose a stainless steel pipe fastener to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a stainless steel pipe fastener, which can connect cut stainless steel pipes without flanges, and is convenient for disassembling and installing the stainless steel pipes.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A stainless steel pipe fastener comprises a steel pipe, a connecting pipe is provided on one side of the steel pipe, and pipe grooves are provided at both ends of the connecting pipe, the inner wall of the pipe groove is interference fit with the side wall of the steel pipe, and clamping devices are provided at both ends of the connecting pipe, and an adjustment device is connected to one side of the clamping device.

[0009] Preferably, the clamping device includes a left supporting semi-ring arranged on the left side of the connecting pipe, and the inner wall of the left supporting semi-ring is against the side wall of the steel pipe, a left clamping semi-ring is arranged above the left supporting semi-ring, and the inner wall of the left clamping semi-ring is against the side wall of the steel pipe, a left T-shaped slide groove is opened on the side wall of the connecting pipe located on one side of the left clamping semi-ring, and the inner wall of the left T-shaped slide groove is slidably connected to the left T-shaped slide plate, the upper surface of the left T-shaped slide plate is rotatably connected with a left fixing bolt, and the side wall of the left fixing bolt is threadedly connected with a left fixing block, the bottom surface of the left fixing block is fixedly connected to the upper surface of the left clamping semi-ring, and a right supporting semi-ring is arranged on the right side of the left clamping semi-ring, and the inner wall of the right supporting semi-ring is against the side wall of the steel pipe. A right clamping half ring is provided under the right supporting half ring, the inner wall of the right clamping half ring is against the side wall of the steel pipe, and a right T-shaped slide groove is provided on the side wall of the connecting pipe on one side of the right clamping half ring, the inner wall of the right T-shaped slide groove is slidably connected to the right T-shaped slide plate, and the upper surface of the right T-shaped slide plate is rotatably connected with a right fixing bolt, and the side wall of the right fixing bolt is threadedly connected with a right fixing block, the bottom surface of the right fixing block is fixedly connected to the upper surface of the right clamping half ring, the upper surfaces of the left supporting half ring and the right supporting half ring located on one side of the steel pipe are fixed with a limiting sliding rod, and the side walls of the left clamping half ring and the right clamping half ring located on one side of the limiting sliding rod are provided with a limiting sliding groove, and the limiting sliding rod is slidably connected to the limiting sliding groove.

[0010] Preferably, the adjusting device includes a right adjusting bolt arranged on one side of the right supporting semi-ring, and one end of the right adjusting bolt penetrates the side wall of the right supporting semi-ring and extends to the interior of the left T-shaped slide groove, the right adjusting bolt is slidingly connected to the side wall of the right supporting semi-ring, and the right adjusting bolt located inside the left T-shaped slide groove is threadedly connected to the side wall of the left T-shaped slide plate, a left adjusting bolt is provided on one side of the left supporting semi-ring, and one end of the left adjusting bolt penetrates the side wall of the left supporting semi-ring and extends to the interior of the right T-shaped slide groove, the left adjusting bolt is slidingly connected to the side wall of the left supporting semi-ring, and the left adjusting bolt located inside the right T-shaped slide groove is threadedly connected to the side wall of the right T-shaped slide plate.

[0011] Preferably, a sealing gasket is fixedly connected to the side wall of the pipe groove, and the side wall of the sealing gasket abuts against the inner wall of the steel pipe.

[0012] Preferably, the bottom surface of the tube groove is beveled.

[0013] Preferably, the left supporting half ring, the left clamping half ring, the right supporting half ring and the right clamping half ring located on one side of the steel pipe are all fixedly connected with anti-slip sealing pads.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model cooperates with the arrangement of a steel pipe, a connecting pipe, a pipe groove, a clamping device and an adjusting device. When the cut steel pipe is connected, the cut ends of the two sections of the steel pipe are respectively inserted into the pipe grooves at both ends of the connecting pipe. The pipe groove provides a certain stretching space for the steel pipe, so that the uneven cut of the steel pipe will not affect the fixing of the steel pipe by the pipe groove. At this time, the clamping device can fix the steel pipe that is interference fit with the pipe groove, and the adjusting device can move the clamping device to one side of the connecting pipe, so that the clamping device can be used to fix the steel pipe first, and then the adjusting device can be used to move the clamping device to slide the steel pipe into the pipe groove, so as to facilitate the connection of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a stainless steel pipe fastener proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of a front cross-sectional structure of a stainless steel pipe fastener proposed by the utility model;

[0018] Figure 3 The utility model is a schematic diagram of a side cross-sectional structure of a stainless steel pipe fastener.

[0019] In the figure: 1. steel pipe; 2. connecting pipe; 3. pipe groove; 4. left supporting half ring; 5. left clamping half ring; 6. left T-shaped slide groove; 7. left T-shaped slide plate; 8. left fixing bolt; 9. left fixing block; 10. right supporting half ring; 11. right clamping half ring; 12. right T-shaped slide groove; 13. right T-shaped slide plate; 14. right fixing bolt; 15. right fixing block; 16. right adjusting bolt; 17. left adjusting bolt; 18. anti-slip sealing pad; 19. bevel; 20. limit slide bar; 21. sealing pad; 22. limit slide groove. 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] See also Figure 1-3 A stainless steel pipe fastener comprises a steel pipe 1, a connecting pipe 2 is arranged on one side of the steel pipe 1, and pipe grooves 3 are opened at both ends of the connecting pipe 2, the inner wall of the pipe groove 3 is interference fit with the side wall of the steel pipe 1, and clamping devices are arranged at both ends of the connecting pipe 2, and an adjusting device is connected to one side of the clamping device.

[0022] It can be seen from the above structure that; by setting the steel pipe 1, the connecting pipe 2, the pipe groove 3, the clamping device and the adjusting device for use in combination, when the cut steel pipe 1 is connected, the cut ends of the two sections of the steel pipe 1 are respectively inserted into the pipe grooves 3 at both ends of the connecting pipe 2, and the pipe groove 3 provides a certain stretching space for the steel pipe 1, so that the uneven cut of the steel pipe 1 will not affect the fixing of the steel pipe 1 by the pipe groove 3. At this time, the clamping device can fix the steel pipe 1 that is interference fit with the pipe groove 3, and the adjusting device can move the clamping device to the side of the connecting pipe 2, and then the clamping device can be used to fix the steel pipe 1 first, and then the adjusting device can be used to move the clamping device to slide the steel pipe 1 into the pipe groove 3, so as to facilitate the connection of the steel pipe 1.

[0023] Furthermore, the clamping device includes a left supporting semi-ring 4 arranged on the left side of the connecting pipe 2, and the inner wall of the left supporting semi-ring 4 is against the side wall of the steel pipe 1, a left clamping semi-ring 5 is arranged above the left supporting semi-ring 4, and the inner wall of the left clamping semi-ring 5 is against the side wall of the steel pipe 1, a left T-shaped slide groove 6 is opened on the side wall of the connecting pipe 2 located on one side of the left clamping semi-ring 5, and the inner wall of the left T-shaped slide groove 6 is slidably connected to the left T-shaped slide plate 7, the upper surface of the left T-shaped slide plate 7 is rotatably connected with a left fixing bolt 8, and the side wall of the left fixing bolt 8 is threadedly connected with a left fixing block 9, the bottom surface of the left fixing block 9 is fixedly connected to the upper surface of the left clamping semi-ring 5, and a right supporting semi-ring 10 is arranged on the right side of the left clamping semi-ring 5 The inner wall of the right supporting semi-ring 10 abuts against the side wall of the steel pipe 1, and a right clamping semi-ring 11 is provided below the right supporting semi-ring 10, the inner wall of the right clamping semi-ring 11 abuts against the side wall of the steel pipe 1, and a right T-shaped slide groove 12 is provided on the side wall of the connecting pipe 2 located on one side of the right clamping semi-ring 11, the inner wall of the right T-shaped slide groove 12 is slidably connected to the right T-shaped slide plate 13, and the upper surface of the right T-shaped slide plate 13 is rotatably connected with a right fixing bolt 14, and the side wall of the right fixing bolt 14 is threadedly connected with a right fixing block 15, the bottom surface of the right fixing block 15 is fixedly connected to the upper surface of the right clamping semi-ring 11, and the upper surfaces of the left supporting semi-ring 4 and the right supporting semi-ring 10 located on one side of the steel pipe 1 are fixed with a limiting slide rod 2 0, and the side walls of the left clamping semi-ring 5 and the right clamping semi-ring 11 located on one side of the limiting slide bar 20 are provided with a limiting slide groove 22, and the limiting slide bar 20 is slidably connected with the limiting slide groove 22; by arranging the left supporting semi-ring 4, the left clamping semi-ring 5, the left T-shaped slide groove 6, the left T-shaped slide plate 7, the left fixing bolt 8, the left fixing block 9, the right supporting semi-ring 10, the right clamping semi-ring 11, the right T-shaped slide groove 12, the right T-shaped slide plate 13, the right fixing bolt 14, the right fixing block 15, the limiting slide bar 20 and the limiting slide groove 22 are used in combination, when the steel pipe 1 is slid into the pipe groove 3, the left fixing bolt 8 and the right fixing bolt 14 are respectively rotated, so that the left fixing bolt 8 and the right fixing bolt 14 are threadedly connected The left fixing block 9 and the right fixing block 15 connected thereto move downward, and then the left clamping half ring 5 and the right clamping half ring 11 fixedly connected to the left fixing block 9 and the right fixing block 15 will slide downward along the limiting slide rod 20 through the limiting slide groove 22, and then abut against the side walls of the left supporting half ring 4 and the right supporting half ring 10 to clamp the steel pipe 1, to prevent the steel pipe 1 that has slipped into the pipe groove 3 from sliding out of the pipe groove 3, thereby improving the stability of the connecting pipe 2 when connected to the steel pipe 1. When the steel pipe 1 needs to be removed, the left fixing bolt 8 and the right fixing bolt 14 are respectively rotated to separate the left clamping half ring 5 and the right clamping half ring 11 from the steel pipe 1. After that, the steel pipe 1 can be pulled out of the pipe groove 3 to separate the steel pipe 1, and the disassembly and installation are convenient and quick.

[0024] Furthermore, the adjusting device includes a right adjusting bolt 16 arranged on one side of the right supporting semi-ring 10, and one end of the right adjusting bolt 16 penetrates the side wall of the right supporting semi-ring 10 and extends to the interior of the left T-shaped slide groove 6, the right adjusting bolt 16 is slidably connected to the side wall of the right supporting semi-ring 10, and the right adjusting bolt 16 located inside the left T-shaped slide groove 6 is threadedly connected to the side wall of the left T-shaped slide plate 7, a left adjusting bolt 17 is provided on one side of the left supporting semi-ring 4, and one end of the left adjusting bolt 17 penetrates the side wall of the left supporting semi-ring 4 and extends to the interior of the right T-shaped slide groove 12, the left adjusting bolt 17 is slidably connected to the side wall of the left supporting semi-ring 4, and the left adjusting bolt 17 located inside the right T-shaped slide groove 12 is threadedly connected to the side wall of the right T-shaped slide plate 13; by arranging the right adjusting bolt 16 and the left adjusting bolt 17 for use in combination, the two sections of steel pipe 1 can be placed on the left supporting semi-ring 4 and the right supporting semi-ring 10 respectively, and then turned to the left fixing bolt 8 and The right fixing bolt 14 makes the left clamping half ring 5 and the right clamping half ring 11 clamp the steel pipe 1, and the steel pipe 1 and the pipe groove 3 are at the same horizontal line. Then, the right adjusting bolt 16 and the left adjusting bolt 17 are respectively rotated, and the right T-shaped slide plate 13 and the left T-shaped slide plate 7 threadedly connected with the right adjusting bolt 16 and the left adjusting bolt 17 slide along the right T-shaped slide groove 12 and the left T-shaped slide groove 6, and the right T-shaped slide plate 13 and the left T-shaped slide plate 7 cooperate with the left fixing bolt 8, the right fixing bolt 14, the left fixing block 9 and the right fixing block 15, so that the left clamping half ring 5 and the right clamping half ring 11 cooperate with the limiting slide groove 22 and the limiting slide rod 20, respectively, to drive the left supporting half ring 4 and the right supporting half ring 10 to move to one side of the pipe groove 3, and then the steel pipe 1 clamped by the left supporting half ring 4, the left clamping half ring 5, the right supporting half ring 10 and the right clamping half ring 11 slide into the pipe groove 3, which is convenient for connecting the steel pipe 1 and improving the convenience of installation.

[0025] Furthermore, a sealing gasket 21 is fixedly connected to the side wall of the pipe groove 3, and the side wall of the sealing gasket 21 abuts against the inner wall of the steel pipe 1; the sealing gasket 21 improves the sealing performance when the connecting pipe 2 is connected to the steel pipe 1.

[0026] Furthermore, the bottom surface of the pipe groove 3 is provided with an inverted bevel 19 ; due to the setting of the bevel 19 , when the steel pipe 1 slides into the pipe groove 3 , the steel pipe 1 will slide along the inclined surface of the bevel 19 of the pipe groove 3 , thereby facilitating the steel pipe 1 to slide into the pipe groove 3 .

[0027] Furthermore, the left supporting half ring 4, the left clamping half ring 5, the right supporting half ring 10 and the right clamping half ring 11 located on one side of the steel pipe 1 are all fixedly connected with an anti-slip sealing pad 18; by providing the anti-slip sealing pad 18, the stability of the left supporting half ring 4, the left clamping half ring 5, the right supporting half ring 10 and the right clamping half ring 11 when clamping the steel pipe 1 is improved.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel pipe fastener, comprising a steel pipe (1), characterized in that: A connecting pipe (2) is provided on one side of the steel pipe (1), and pipe grooves (3) are provided at both ends of the connecting pipe (2), the inner wall of the pipe groove (3) is interference-fitted with the side wall of the steel pipe (1), and clamping devices are provided on both ends of the connecting pipe (2), and an adjusting device is connected to one side of the clamping device; The clamping device comprises a left supporting half ring (4) arranged on the left side of the connecting tube (2), and the inner wall of the left supporting half ring (4) abuts against the side wall of the steel tube (1); a left clamping half ring (5) is arranged above the left supporting half ring (4), and the inner wall of the left clamping half ring (5) abuts against the side wall of the steel tube (1); a left T-shaped sliding groove (6) is provided on the side wall of the connecting tube (2) located on one side of the left clamping half ring (5), and the inner wall of the left T-shaped sliding groove (6) is slidably connected to the left T-shaped sliding groove (6). The upper surface of the left T-shaped slide plate (7) is rotatably connected to a left fixing bolt (8), and the side wall of the left fixing bolt (8) is threadedly connected to a left fixing block (9), the bottom surface of the left fixing block (9) is fixedly connected to the upper surface of the left clamping semi-ring (5), and a right supporting semi-ring (10) is provided on the right side of the left clamping semi-ring (5), the inner wall of the right supporting semi-ring (10) is against the side wall of the steel pipe (1), and the lower part of the right supporting semi-ring (10) is A right clamping half ring (11) is provided, the inner wall of the right clamping half ring (11) is against the side wall of the steel pipe (1), and a right T-shaped slide groove (12) is provided on the side wall of the connecting pipe (2) located on one side of the right clamping half ring (11), the inner wall of the right T-shaped slide groove (12) is slidably connected to a right T-shaped slide plate (13), and the upper surface of the right T-shaped slide plate (13) is rotatably connected to a right fixing bolt (14), and the side wall of the right fixing bolt (14) is threadedly connected to a right fixing bolt (14). The bottom surface of the right fixed block (15) is fixedly connected to the upper surface of the right clamping half ring (11), the upper surfaces of the left supporting half ring (4) and the right supporting half ring (10) located on one side of the steel pipe (1) are fixed with a limiting slide bar (20), and the side walls of the left clamping half ring (5) and the right clamping half ring (11) located on one side of the limiting slide bar (20) are provided with a limiting slide groove (22), and the limiting slide bar (20) is slidably connected to the limiting slide groove (22); The adjusting device comprises a right adjusting bolt (16) arranged on one side of the right supporting half ring (10), and one end of the right adjusting bolt (16) penetrates the side wall of the right supporting half ring (10) and extends into the interior of the left T-shaped slide groove (6), the right adjusting bolt (16) is slidably connected to the side wall of the right supporting half ring (10), and the right adjusting bolt (16) located inside the left T-shaped slide groove (6) is threadedly connected to the side wall of the left T-shaped slide plate (7), a left adjusting bolt (17) is arranged on one side of the left supporting half ring (4), and one end of the left adjusting bolt (17) penetrates the side wall of the left supporting half ring (4) and extends into the interior of the right T-shaped slide groove (12), the left adjusting bolt (17) is slidably connected to the side wall of the left supporting half ring (4), and the left adjusting bolt (17) located inside the right T-shaped slide groove (12) is threadedly connected to the side wall of the right T-shaped slide plate (13).

2. A stainless steel pipe fastener according to claim 1, characterized in that: A sealing gasket (21) is fixedly connected to the side wall of the pipe groove (3), and the side wall of the sealing gasket (21) abuts against the inner wall of the steel pipe (1).

3. A stainless steel pipe fastener according to claim 1 or 2, characterized in that: The bottom surface of the tube groove (3) has an inverted bevel (19).

4. A stainless steel pipe fastener according to claim 1 or 2, characterized in that: The left supporting half ring (4), the left clamping half ring (5), the right supporting half ring (10) and the right clamping half ring (11) located on one side of the steel pipe (1) are all fixedly connected with an anti-slip sealing pad (18).

5. A stainless steel pipe fastener according to claim 3, characterized in that: The left supporting half ring (4), the left clamping half ring (5), the right supporting half ring (10) and the right clamping half ring (11) located on one side of the steel pipe (1) are all fixedly connected with an anti-slip sealing pad (18).

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