Stainless steel welding air pipe stable in connection

Abstract

The utility model relates to the technical field of air pipes, and discloses a stainless steel welding air pipe stable in connection, which comprises a first air pipe and a second air pipe, the second air pipe is arranged on the right side of the first air pipe, and a sealing ring with one end attached to the left side of the second air pipe is arranged on the right side of the first air pipe. According to the stably-connected stainless steel welded air pipe, the right side of a first air pipe is inserted into a sleeve till the right sides of two connecting blocks are attached to the right sides of the inner walls of two connecting grooves correspondingly, and then two first hand wheels are screwed to make two positioning blocks move into two positioning grooves correspondingly; two second hand wheels are screwed to enable two limiting blocks to move into two limiting grooves correspondingly, then connection between the first air pipe and the second air pipe is completed, welding operation is not needed, the first air pipe and the second air pipe are fixed through a sleeve as a connecting medium, and therefore the connecting position is reinforced, breakage is prevented, and the service life of the first air pipe and the second air pipe is prolonged. Therefore, the effect of stable connection is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air ducts, in particular to a stainless steel welded air duct with stable connections. Background Art

[0002] Air ducts are piping systems used for air transportation and distribution. According to their cross-sectional shape, air ducts can be divided into various types, such as circular ducts, rectangular ducts, and oblate ducts. Welded air ducts are widely used in civil and industrial ventilation and air-conditioning systems, and are widely used in ventilation areas requiring large air volumes, such as process ventilation systems in automobile paint shops. However, existing air ducts are mostly connected by welding, which is inconvenient to operate and the welds are fragile, prone to cracks and air leakage, making them unsuitable for use. Therefore, a stainless steel welded air duct with a stable connection is proposed. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the shortcomings of the existing technology, the utility model provides a stainless steel welded air duct with a stable connection, which has the advantages of easy connection, etc., and solves the problem that the existing air ducts are mostly connected by welding, which is inconvenient to operate and the welding points are fragile, prone to cracks and air leakage, which is not conducive to use.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose of facilitating connection, the present invention provides the following technical solutions: a stainless steel welded air duct with a stable connection, comprising a first air duct and a second air duct, the second air duct being located on the right side of the first air duct, a sealing ring having one end fitted with the left side of the second air duct being provided on the right side of the first air duct, a sleeve having one end movably connected to the outside of the first air duct being provided on the outside of the second air duct, connecting grooves being provided on the left ends of the upper and lower sides of the inner wall of the sleeve, connecting blocks having one end fixedly connected to the upper and lower sides of the first air duct being provided inside the two connecting grooves, the upper and lower sides of the sleeve being provided with A shell is provided on both sides, and a slider is provided inside the two shells. Positioning grooves are provided on the upper and lower sides of the first air duct, and positioning blocks are provided on the opposite sides of the two sliders, one end of which extends to the inside of the two positioning grooves respectively. The opposite sides of the two shells are provided with first threaded rods with one end extending to the inside and movably connected to the opposite sides of the two sliders respectively, and the opposite sides of the two first threaded rods are provided with first hand wheels. The right sides of the two sliders are provided with limiting grooves, and the right sides of the two shells are provided with limiting components with one end extending to the inside of the two limiting grooves respectively.

[0007] Preferably, the limiting assembly includes a rectangular block, a rectangular block is fixedly installed on the right side of the two shells, a rectangular groove is opened on the left side of the two rectangular blocks, a second threaded rod with one end extending into the inside of the two rectangular grooves is movably installed on the right side of the two rectangular blocks, and a limiting block with one end respectively threadedly connected to the outer side of the two second threaded rods and the other end extending into the inside of the two limiting grooves is movably installed inside the two rectangular grooves, and a second hand wheel is fixedly installed on the right side of the two second threaded rods.

[0008] Preferably, first through holes adapted to the positioning blocks are provided on inner walls on opposite sides of the two shells, and second through holes adapted to the positioning blocks are provided on upper and lower sides of the sleeve.

[0009] Preferably, threaded holes respectively matched with two first threaded rods are provided on opposite sides of the two shells, first bearings are fixedly installed on opposite sides of the two sliders, and the first threaded rods are rotatably connected to the sliders through the first bearings.

[0010] Preferably, a circular hole is opened on the right side of the two rectangular blocks, and a second bearing is fixedly installed inside the two circular holes, and the second threaded rod is rotatably connected to the rectangular block through the second bearing.

[0011] Preferably, thread grooves respectively matched with the two second threaded rods are provided on the right sides of the two limit blocks, and third through holes matched with the limit blocks are provided on the right sides of the two shells.

[0012] (3) Beneficial effects

[0013] Compared with the prior art, the present invention provides a stainless steel welded air duct with a stable connection, which has the following beneficial effects:

[0014] The stainless steel welded air duct with a stable connection is characterized in that the right side of the first air duct is inserted into the interior of the sleeve and the two connecting blocks are respectively aligned with the two connecting grooves, so that the two connecting blocks are respectively inserted into the interior of the two connecting grooves until the right sides of the two connecting blocks are respectively fitted with the right sides of the inner walls of the two connecting grooves. At this time, the right side of the sealing ring is also tightly fitted with the left side of the second air duct, and then the two first hand wheels are turned to drive the two first threaded rods to rotate, thereby driving the two sliders and the two positioning blocks to move relative to each other, so that the two positioning blocks are respectively moved into the interior of the two positioning grooves, and then the two second hand wheels can be turned to drive the two second threaded rods to rotate, thereby driving the two limit blocks to move leftward, so that the two limit blocks are respectively moved into the interior of the two limit grooves, thereby limiting and fixing the two sliders and the two positioning blocks, and finally completing the connection between the first air duct and the second air duct, without the need for welding work, thereby simplifying the connection process and facilitating the use of users. Secondly, the sleeve is used as a connection medium to fix the first air duct and the second air duct, so as to strengthen the connection position and prevent breakage, thereby achieving a stable connection effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle.

[0017] In the figure: 1 first air duct, 2 second air duct, 3 sealing ring, 4 sleeve, 5 connecting groove, 6 connecting block, 7 housing, 8 slider, 9 positioning groove, 10 positioning block, 11 first threaded rod, 12 first handwheel, 13 limiting groove, 14 limiting assembly, 141 rectangular block, 142 rectangular groove, 143 second threaded rod, 144 limiting block, 145 second handwheel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-2The utility model provides a technical solution: a stainless steel welded air duct with a stable connection, comprising a first air duct 1 and a second air duct 2, the second air duct 2 is located on the right side of the first air duct 1, and a sealing ring 3 with one end fitted with the left side of the second air duct 2 is fixedly installed on the right side of the first air duct 1, and a sleeve 4 with one end movably connected to the outside of the first air duct 1 is fixedly installed on the outside of the second air duct 2, and connecting grooves 5 are provided at the left ends on the upper and lower sides of the inner wall of the sleeve 4. The left sides of the inner walls of the two connecting grooves 5 are both open, and the inside of the two connecting grooves 5 are movably installed with connecting blocks 6 with one end fixedly connected to the upper and lower sides of the first air duct 1 respectively, and the right sides of the two connecting blocks 6 are respectively fitted with the right sides of the inner walls of the two connecting grooves 5.

[0020] A shell 7 is fixedly installed on the upper and lower sides of the sleeve 4, and a slider 8 is movably installed inside the two shells 7. The opposite sides of the two sliders 8 are respectively fitted with the inner walls of the opposite sides of the two shells 7. A positioning groove 9 is provided on the upper and lower sides of the first air duct 1. The opposite sides of the two sliders 8 are fixedly installed with a positioning block 10 with one end extending to the inside of the two positioning grooves 9 respectively. A first through hole adapted to the positioning block 10 is provided on the inner walls of the opposite sides of the two shells 7. A second through hole adapted to the positioning block 10 is provided on the upper and lower sides of the sleeve 4. The opposite sides of the two shells 7 are threadedly connected to a first threaded rod 11 with one end extending into the interior thereof and movably connected to the opposite sides of the two sliders 8. The opposite sides of the two shells 7 are provided with threaded holes respectively adapted to the two first threaded rods 11. The opposite sides of the two sliders 8 are fixedly installed with a first bearing, and the first threaded rod 11 is rotatably connected to the slider 8 through the first bearing. The opposite sides of the two first threaded rods 11 are fixedly mounted with a first handwheel 12.

[0021] The right sides of the two sliders 8 are provided with a limit groove 13, and the right sides of the two housings 7 are fixedly installed with a limit assembly 14 with one end extending to the inside of the two limit grooves 13. The limit assembly 14 includes a rectangular block 141. The right sides of the two housings 7 are fixed with a rectangular block 141. The left sides of the two rectangular blocks 141 are provided with a rectangular groove 142. The right sides of the two rectangular blocks 141 are movably provided with a second threaded rod 143 with one end extending to the inside of the two rectangular grooves 142. The right sides of the two rectangular blocks 141 are provided with a circular hole and the inside of the two circular holes are fixedly installed. A second bearing is installed, and the second threaded rod 143 is rotatably connected to the rectangular block 141 through the second bearing. The interior of the two rectangular grooves 142 is movably installed with a limit block 144, one end of which is respectively threadedly connected to the outer sides of the two second threaded rods 143 and the other end extends to the inside of the two limit grooves 13. The right side of the two limit blocks 144 is provided with a threaded groove respectively adapted to the two second threaded rods 143, and the right side of the two shells 7 is provided with a third through hole adapted to the limit block 144. The right side of the two second threaded rods 143 is fixedly installed with a second hand wheel 145.

[0022] Working principle: When it is necessary to connect two air ducts, the right side of the first air duct 1 can be inserted into the interior of the sleeve 4, and the two connecting blocks 6 can be aligned with the two connecting grooves 5 respectively, so that the two connecting blocks 6 can be inserted into the interior of the two connecting grooves 5 respectively, until the right sides of the two connecting blocks 6 are respectively fitted with the right sides of the inner walls of the two connecting grooves 5. At this time, the right side of the sealing ring 3 is also tightly fitted with the left side of the second air duct 2. Then, the two first hand wheels 12 are turned to drive the two first threaded rods 11 to rotate, thereby driving the two sliders 8 and the two positioning blocks 10 to move relative to each other, so that the two positioning blocks 10 are respectively moved to the interior of the two positioning grooves 9, and then The two second hand wheels 145 can be turned to drive the two second threaded rods 143 to rotate, thereby driving the two limit blocks 144 to move to the left, so that the two limit blocks 144 are respectively moved to the inside of the two limit grooves 13, thereby limiting and fixing the two sliders 8 and the two positioning blocks 10, and finally completing the connection between the first air duct 1 and the second air duct 2. No welding operation is required, thereby simplifying the connection process and facilitating the use of users. Secondly, the sleeve 4 is used as a connecting medium to fix the first air duct 1 and the second air duct 2, so as to strengthen the connection position and prevent breakage, thereby achieving a stable connection effect.

[0023] To sum up, the stainless steel welded air duct with a stable connection is made by inserting the right side of the first air duct 1 into the interior of the sleeve 4 and aligning the two connecting blocks 6 with the two connecting grooves 5 respectively, so that the two connecting blocks 6 are respectively inserted into the interior of the two connecting grooves 5 until the right sides of the two connecting blocks 6 are respectively fitted with the right sides of the inner walls of the two connecting grooves 5. At this time, the right side of the sealing ring 3 is also tightly fitted with the left side of the second air duct 2. Then, the two first hand wheels 12 are turned to drive the two first threaded rods 11 to rotate, thereby driving the two sliders 8 and the two positioning blocks 10 to move relative to each other, so that the two positioning blocks 10 are respectively moved to the interior of the two positioning grooves 9, and then the two second hand wheels 145 can be turned to drive the two second threaded rods 143 to rotate. The two limit blocks 144 are rotated to move to the left, so that the two limit blocks 144 are respectively moved to the inside of the two limit grooves 13, so as to limit and fix the two sliders 8 and the two positioning blocks 10, and finally complete the connection between the first air duct 1 and the second air duct 2. There is no need to perform welding operations, thereby simplifying the connection process and facilitating the use of users. Secondly, the sleeve 4 is used as a connecting medium to fix the first air duct 1 and the second air duct 2, so as to strengthen the connection position and prevent breakage, thereby achieving a stable connection effect, solving the problem that the existing air duct connection method is mostly welding, which is inconvenient to operate and the welding position is fragile, prone to cracks and air leakage, which is not conducive to use.

[0024] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0025] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel welded air duct with a stable connection, comprising a first air duct (1) and a second air duct (2), wherein the second air duct (2) is located on the right side of the first air duct (1), and a sealing ring (3) is provided on the right side of the first air duct (1) with one end being in contact with the left side of the second air duct (2), characterized in that: The outer side of the second air duct (2) is provided with a sleeve (4) with one end movably connected to the outer side of the first air duct (1), the left ends of the upper and lower sides of the inner wall of the sleeve (4) are provided with connecting grooves (5), and the interiors of the two connecting grooves (5) are provided with connecting blocks (6) with one end fixedly connected to the upper and lower sides of the first air duct (1), respectively. The upper and lower sides of the sleeve (4) are provided with shells (7), and the interiors of the two shells (7) are provided with sliders (8), and the upper and lower sides of the first air duct (1) are provided with positioning grooves (9), and the two sliders (8) are provided with positioning grooves (9). ) are provided on opposite sides of the two housings (7), one end of which extends into the inside of the two positioning grooves (9), respectively; the opposite sides of the two housings (7) are provided with a first threaded rod (11), one end of which extends into the inside of the housing and is movably connected to the opposite sides of the two sliders (8); the opposite sides of the two first threaded rods (11) are provided with a first hand wheel (12); the right sides of the two sliders (8) are provided with a limiting groove (13), and the right sides of the two housings (7) are provided with a limiting assembly (14), one end of which extends into the inside of the two limiting grooves (13).

2. The stainless steel welded air duct with a stable connection according to claim 1, characterized in that: The limiting assembly (14) includes a rectangular block (141), the right sides of the two shells (7) are fixedly mounted with the rectangular block (141), the left sides of the two rectangular blocks (141) are provided with a rectangular groove (142), the right sides of the two rectangular blocks (141) are movably mounted with a second threaded rod (143) with one end extending into the inside of the two rectangular grooves (142), the inside of the two rectangular grooves (142) are movably mounted with a limiting block (144) with one end threadedly connected to the outer sides of the two second threaded rods (143) and the other end extending into the inside of the two limiting grooves (13), and the right sides of the two second threaded rods (143) are fixedly mounted with a second hand wheel (145).

3. The stainless steel welded air duct with a stable connection according to claim 1, characterized in that: First through holes adapted to the positioning blocks (10) are provided on the inner walls of the two opposite sides of the shells (7), and second through holes adapted to the positioning blocks (10) are provided on the upper and lower sides of the sleeve (4).

4. The stainless steel welded air duct with a stable connection according to claim 1, characterized in that: Threaded holes respectively adapted to the two first threaded rods (11) are provided on opposite sides of the two housings (7), first bearings are fixedly mounted on opposite sides of the two sliders (8), and the first threaded rods (11) are rotatably connected to the sliders (8) via the first bearings.

5. The stainless steel welded air duct with a stable connection according to claim 2, characterized in that: A circular hole is provided on the right side of each of the two rectangular blocks (141), and a second bearing is fixedly installed inside each of the two circular holes. The second threaded rod (143) is rotatably connected to the rectangular block (141) via the second bearing.

6. The stainless steel welded air duct with a stable connection according to claim 2, characterized in that: The right sides of the two limit blocks (144) are each provided with a threaded groove respectively adapted to the two second threaded rods (143), and the right sides of the two housings (7) are each provided with a third through hole adapted to the limit blocks (144).

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