High-performance stainless steel spiral duct

Abstract

The utility model belongs to the technical field of stainless steel spiral air pipes, and particularly relates to a high-performance stainless steel spiral air pipe which comprises air pipe bodies, matching sleeves, a spiral steel plate and an assembly sleeve, one sides of the pair of air pipe bodies are rotationally connected with the matching sleeves, and the assembly sleeve is installed between the pair of matching sleeves. The air pipe body is formed by spirally rolling a spiral steel plate. According to the utility model, the universal matching sleeves are matched with the umbrella rib type inner support structures arranged in the universal matching sleeves, so that the universal matching sleeves can be quickly mounted and locked at the mounting end of the air pipe body, and then the corresponding cylindrical or bent cylindrical assembly sleeves are mounted between the universal matching sleeves in a flange connection manner as required; the problems that when an existing stainless steel air pipe body is installed, installation and connection at the bent position are inconvenient, and operation is troublesome are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stainless steel spiral air pipe technical field, specifically is a kind of high-performance stainless steel spiral air pipe. BACKGROUND

[0002] Stainless steel air pipe is a kind of air pipe made of stainless steel material, mainly used for building ventilation, air conditioning and industrial exhaust and air supply, is rolled into spiral shape by stainless steel plate, forms a pipeline system with higher strength and good air tightness. In order to improve the performance of stainless steel air pipe, usually by setting inner lining or external plating layer to make air pipe have different properties.

[0003] Although the existing stainless steel air pipe has more advantages compared with rectangular air pipe in actual application, the installation of stainless steel air pipe is more troublesome, especially under the installation condition of corner, usually needs high-cost bending stainless steel air pipe to carry out corresponding assembly installation, and installation is more inconvenient. SUMMARY

[0004] The utility model aims at providing a kind of high-performance stainless steel spiral air pipe, solve the problem that the existing stainless steel air pipe is inconvenient for the installation connection of bending place and is more troublesome when installing.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme: provide a kind of high-performance stainless steel spiral air pipe, including air pipe body, cooperation sleeve, spiral steel plate and assembly sleeve, a pair of the side of air pipe body is rotatably connected with cooperation sleeve, a pair of cooperation sleeve is installed with assembly sleeve between, air pipe body is spirally rolled by spiral steel plate, the inner wall of a pair of cooperation sleeve is fixedly connected with mounting bracket, the inside of mounting bracket is rotatably connected with rotating seat, the inside of rotating seat is fixedly connected with bidirectional screw rod, the outer wall of bidirectional screw rod is threadedly connected with two hexagonal sleeves, two hexagonal sleeves are symmetrically arranged on the outer wall of bidirectional screw rod, two hexagonal sleeves are arranged on the two sides of rotating seat, the inside of two hexagonal sleeves is rotatably connected with support rod, support rod is provided with three and is distributed at 120 ° angle, the inside of cooperation sleeve is movably provided with a plurality of support pads, a plurality of support pads are provided with three and are distributed at 120 ° angle, support rod is rotatably connected in the inside of support pad, the outer wall of a plurality of support pads is all and the inner wall of air pipe body is matched.

[0006] Optionally, the two ends of the bidirectional screw rod are fixedly connected with hexagonal protrusions, and the rotating seat is limitingly rotated in the inside of the mounting bracket.

[0007] Optionally, the ends of a pair of cooperation sleeves and the ends of assembly sleeve are fixedly connected with connecting flanges, and a plurality of connecting flanges are sealingly connected by fastening bolts, and the assembly sleeve is cylindrical or bending cylindrical.

[0008] Optionally, the outer wall upper side of the spiral steel plate is fixedly connected with a first matching bite, and the outer wall lower side of the spiral steel plate is fixedly connected with a second matching bite, and the first matching bite is clamped and connected inside the second matching bite.

[0009] Optionally, the inside of the matching sleeve is provided with a matching groove, and the second matching bite is slidingly connected in the matching groove.

[0010] Optionally, the spiral steel plate comprises a thermal insulation lining, an iron alloy inner layer and a galvanized layer, the inside of the spiral steel plate is fixedly connected with the iron alloy inner layer, the outer wall left side of the iron alloy inner layer is fixedly connected with the thermal insulation lining, and the outer wall right side of the iron alloy inner layer is fixedly connected with the galvanized layer.

[0011] Optionally, the thermal insulation lining is made of rubber plastic thermal insulation cotton, and the iron alloy inner layer is made of 304 stainless steel.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] The utility model discloses a general type matching sleeve cooperates with the umbrella rib type inner support structure that it is composed of hexagonal lug, bidirectional screw rod, hexagonal sleeve, support rod, mounting bracket, support pad and rotating seat in it, can quickly install locking in the mounting end of the air pipe body, then according to need installs the corresponding cylindrical or bended cylindrical assembly sleeve to the form of flange connection between general type matching sleeve, solves the inconvenient installation connection of the bended place of the existing stainless steel air pipe when installing and the problem of relatively troublesome operation. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the sectional three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 It is the three-dimensional structure schematic diagram of the matching sleeve of the utility model;

[0018] Figure 4 It is the sectional three-dimensional structure schematic diagram of the spiral steel plate of the utility model.

[0019] In the figure: 1, the duct body; 2, the matching sleeve; 3, the connecting flange; 4, the assembly sleeve; 5, the hexagonal protrusion; 6, the bidirectional screw rod; 7, the hexagonal sleeve; 8, the supporting rod; 9, the mounting frame; 10, the supporting pad; 11, the rotating seat; 12, the matching groove; 13, the first matching jaw; 14, the second matching jaw; 15, the thermal insulation lining; 16, the ferrous alloy inner layer; 17, the galvanized layer; 18, the spiral steel plate. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0023] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] A high-performance stainless steel spiral duct provided by the embodiment of the utility model will now be described. Please refer to Figures 1 to 4The utility model provides a high -performance stainless steel spiral air pipe, including air pipe body 1, cooperation sleeve 2, spiral steel sheet 18 and assembly sleeve 4, one side of a pair of air pipe body 1 is rotatably connected with cooperation sleeve 2, and the cooperation sleeve 2 between a pair is installed with assembly sleeve 4, and air pipe body 1 is spirally coiled from spiral steel sheet 18, and the inner wall of a pair of cooperation sleeve 2 is fixedly connected with mounting bracket 9, and the inside rotatable connection of mounting bracket 9 has rotary seat 11, and the inside fixed connection of rotary seat 11 has two -way screw rod 6, and the outer wall screw connection of two -way screw rod 6 has two hexagonal sleeves 7, and two hexagonal sleeves 7 are symmetrically arranged on the outer wall of two -way screw rod 6, and two hexagonal sleeves 7 are arranged on the both sides of rotary seat 11, and the inside rotatable connection of two hexagonal sleeves 7 has support rod 8, and support rod 8 is provided with three and is distributed with 120 degrees angle, and the inside movably arranged of cooperation sleeve 2 has a plurality of support pads 10, and a plurality of support pads 10 are provided with three and are distributed with 120 degrees angle, and support rod 8 rotatably connects in the inside of support pad 10, and the outer wall of a plurality of support pads 10 is all and the inner wall of air pipe body 1 is in line with. By setting the cooperation sleeve 2 of general type, the umbrella rib type inner support structure that is formed by the hexagonal lug 5 in it, two -way screw rod 6, hexagonal sleeve 7, support rod 8, mounting bracket 9, support pad 10 and rotary seat 11 can use spanner to turn the hexagonal lug 5, two -way screw rod 6 and rotary seat 11, and the sliding position adjustment of the hexagonal sleeve 7 on the rod body is driven by the two -way screw rod 6 of rotation, by adjusting the clockwise rotation direction, make a pair of hexagonal sleeves 7 slide towards rotary seat 11 and advance, so that the support rod 8 between hexagonal sleeve 7 and support pad 10 lifts support pad 10, until the inner wall of air pipe body 1 is tightly contacted, and then the cooperation sleeve 2 can be quickly installed and locked in the mounting end of air pipe body 1, then the corresponding cylindrical or bent cylinder shaped assembly sleeve 4 can be installed in the form of flange connection between the general type cooperation sleeve 2, solve the inconvenient installation connection of the existing stainless steel air pipe for the bending place when installing and the problem that the operation is relatively troublesome.

[0025] In the embodiment of the utility model, please refer to Figures 1 to 4 The both ends of two -way screw rod 6 are fixedly connected with hexagonal lug 5, and rotary seat 11 is limited to rotate in the inside of mounting bracket 9. By setting the hexagonal lug 5 when installing the utility model, the hexagonal lug 5 is turned by hexagonal spanner, drives two -way screw rod 6 and rotary seat 11 to rotate on mounting bracket 9, so that the hexagonal sleeve 7 on two -way screw rod 6 can carry out the sliding adjustment of position, so as to realize the operation of telescopic support pad 10.

[0026] In the embodiment of the utility model, please refer to Figures 1 to 4A pair of matching sleeves 2 are fixedly connected with connecting flanges 3 at one end of the matching sleeves 2 and both ends of the assembly sleeve 4, a plurality of connecting flanges 3 are sealingly connected through fastening bolts, and the assembly sleeve 4 is in a cylindrical shape or a bent cylindrical shape. By arranging the connecting flanges 3, the matching sleeves 2 and the assembly sleeve 4 can be sealingly and fixedly connected through the connecting flanges 3, and the assembly sleeve 4 in a cylindrical shape or a bent cylindrical shape can be selected as required for connecting and assembling the air pipe body 1.

[0027] In the embodiment of the utility model, please refer to Figures 1 to 4 The outer wall of the spiral steel plate 18 is fixedly connected with a first matching bite 13 on the upper side, and is fixedly connected with a second matching bite 14 on the lower side, and the first matching bite 13 is clamped and connected inside the second matching bite 14. By arranging the first matching bite 13 and the second matching bite 14, the structural strength of the air pipe body 1 after winding is ensured when the spiral steel plate 18 is wound.

[0028] In the embodiment of the utility model, please refer to Figures 1 to 4 The inside of the matching sleeve 2 is provided with a matching groove 12, and the second matching bite 14 is slidingly connected in the matching groove 12. By arranging the matching groove 12, the matching sleeve 2 can be slowly rotated and sleeved on the outer wall of the air pipe body 1 by aligning the second matching bite 14 of the matching groove 12 with the outer wall of the air pipe body 1.

[0029] In the embodiment of the utility model, please refer to Figures 1 to 4 The spiral steel plate 18 comprises a thermal insulation lining 15, a ferrous alloy inner layer 16 and a galvanized layer 17, the inside of the spiral steel plate 18 is fixedly connected with the ferrous alloy inner layer 16, the outer wall left side of the ferrous alloy inner layer 16 is fixedly connected with the thermal insulation lining 15, and the outer wall right side of the ferrous alloy inner layer 16 is fixedly connected with the galvanized layer 17. The thermal insulation lining 15 plays a role of heat preservation and insulation, the ferrous alloy inner layer 16 strengthens the structural strength of the spiral steel plate 18, and the galvanized layer 17 improves the rust resistance of the spiral steel plate 18.

[0030] In the embodiment of the utility model, please refer to Figures 1 to 4 The thermal insulation lining 15 is made of rubber plastic thermal insulation cotton, and the ferrous alloy inner layer 16 is made of 304 stainless steel. The thermal insulation lining 15 is made of rubber plastic thermal insulation cotton, so that the thermal insulation lining 15 has good heat preservation and insulation characteristics; the ferrous alloy inner layer 16 is made of 304 stainless steel, so that the ferrous alloy inner layer 16 improves the structural strength; and the galvanized layer 17 is made of electroplated zinc and has good rust resistance.

[0031] Working principle: when the utility model needs to be installed, the matching groove 12 of the matching sleeve 2 is aligned with the second matching bite 14 at the outer wall of the end of the air pipe body 1 that needs to be connected and installed, then the matching sleeve 2 is slowly rotated and pushed, so that the matching sleeve 2 is completely threaded on the outer wall of the air pipe body 1; then the wrench is used to turn the hexagonal protrusion 5, the bidirectional screw rod 6 and the rotating seat 11, the rotating bidirectional screw rod 6 will drive the hexagonal sleeve 7 on the rod body to slide and adjust the position, by adjusting the clockwise rotation direction, the pair of hexagonal sleeves 7 slide and push towards the rotating seat 11, so that the supporting rod 8 between the hexagonal sleeve 7 and the supporting pad 10 lifts up the supporting pad 10, until the supporting pad 10 is tightly pressed against the inner wall of the air pipe body 1, the relative position between the matching sleeve 2 and the air pipe body 1 is locked and fixed; then the assembly sleeve 4 of the cylinder or the bent cylinder can be selected according to the need, the connecting flange 3 at both ends of the assembly sleeve 4 is aligned with the connecting flange 3 of the pair of matching sleeves 2, the assembly sleeve 4 is tightly installed between the pair of matching sleeves 2 through the fastening bolt, the installation of the utility model can be completed.

[0032] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-performance stainless steel spiral duct, comprising a duct body (1), a matching sleeve (2), a spiral steel plate (18), and a mounting sleeve (4), characterized in that: Each of the two duct bodies (1) is rotatably connected to a matching sleeve (2) on one side, and a matching sleeve (4) is installed between the two matching sleeves (2). The duct body (1) is made of spiral steel plate (18) spirally rolled. A mounting bracket (9) is fixedly connected to the inner wall of a pair of mating sleeves (2). A rotating seat (11) is rotatably connected inside the mounting bracket (9). A double-acting screw (6) is fixedly connected inside the rotating seat (11). Two hexagonal sleeves (7) are threadedly connected to the outer wall of the double-acting screw (6). The two hexagonal sleeves (7) are symmetrically arranged on the outer wall of the double-acting screw (6). The two hexagonal sleeves (7) are arranged on both sides of the rotating seat (11). A support rod (8) is rotatably connected inside the two hexagonal sleeves (7). There are three support rods (8) arranged at a 120° angle. Multiple support pads (10) are movably arranged inside the mating sleeve (2). There are three support pads (10) arranged at a 120° angle. The support rods (8) are rotatably connected inside the support pads (10). The outer walls of the multiple support pads (10) are all in contact with the inner wall of the duct body (1).

2. The high-performance stainless steel spiral duct as described in claim 1, characterized in that: Both ends of the bidirectional lead screw (6) are fixedly connected to hexagonal protrusions (5), and the rotating seat (11) is limited to rotating inside the mounting frame (9).

3. The high-performance stainless steel spiral duct as described in claim 1, characterized in that: A connecting flange (3) is fixedly connected to one end of a pair of mating sleeves (2) and both ends of the mounting sleeve (4). Multiple pairs of connecting flanges (3) are sealed together by fastening bolts. The mounting sleeve (4) is cylindrical or bent cylindrical.

4. The high-performance stainless steel spiral duct as described in claim 1, characterized in that: The upper side of the outer wall of the spiral steel plate (18) is fixedly connected to a first mating joint (13), and the lower side of the outer wall of the spiral steel plate (18) is fixedly connected to a second mating joint (14). The first mating joint (13) is engaged with the inside of the second mating joint (14).

5. A high-performance stainless steel spiral duct as described in claim 4, characterized in that: The inner part of the fitting sleeve (2) is provided with a fitting groove (12), and the second fitting bite (14) is slidably connected in the fitting groove (12).

6. The high-performance stainless steel spiral duct as described in claim 1, characterized in that: The spiral steel plate (18) includes an insulation lining (15), an iron alloy inner layer (16), and a galvanized layer (17). The iron alloy inner layer (16) is fixedly connected to the inside of the spiral steel plate (18). The insulation lining (15) is fixedly connected to the left side of the outer wall of the iron alloy inner layer (16), and the galvanized layer (17) is fixedly connected to the right side of the outer wall of the iron alloy inner layer (16).

7. A high-performance stainless steel spiral duct as described in claim 6, characterized in that: The thermal insulation lining (15) is made of rubber and plastic insulation cotton, and the iron alloy inner layer (16) is made of 304 stainless steel.

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