Stainless steel ventilation pipe convenient to weld

Abstract

The utility model relates to the technical field of ventilation pipes, and discloses a stainless steel ventilation pipe convenient to weld, a fixing structure comprises a lower clamp, the outer walls of the two sides of the lower clamp are respectively provided with a circular groove, the circular grooves penetrate through the lower clamp, rotating rods are rotatably connected to the inner walls of every two circular grooves, and rotating blocks are welded to the ends, close to each other, of every two rotating rods; a threaded rod is welded to the outer wall of the top of the rotating block, and the outer wall of the threaded rod is sleeved with a threaded screwing block. Through the arrangement of the rotating rod and the screw rod, the upper clamp is rotated, the rotating rod connected with the upper clamp rotates in the circular groove in a limited manner, so that the lower clamp and the upper clamp are connected together, the upper clamp is adjusted to the outer wall of the top of the joint of two pipelines, the screw rod is rotated into the movable groove, and the rotating block is connected with the rotating rod, so that the screw rod is fixed on the lower clamp; and the threaded screwing block is fixed at the movable part of the screw rod and the movable groove of the upper clamp.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation pipe equipment, in particular to a stainless steel ventilation pipe which is convenient to weld. Background Art

[0002] Ventilation ducts are metal or composite pipes used in ventilation and air conditioning projects in industrial and civil buildings. They are a form of municipal infrastructure designed to facilitate air circulation and reduce the concentration of harmful gases. When used, they require welding together different pipes. When welding curved ducts or other shaped ducts, the curved shape prevents them from being laid flat on a flat surface, making them prone to shaking during welding. Furthermore, after welding one side, it's difficult to rotate the duct to weld the other side.

[0003] The application number is CN202220025000.7, which discloses a stainless steel ventilation pipe that is easy to weld, including a base, a welding structure is provided on the base, two support plates are fixedly connected to the base in a parallel and symmetrical relationship, and the two support plates are rotatably connected to a rotating rod, and a fixed block is fixedly connected to the rotating rod, and the ventilation pipe body is detachably connected to the fixed block, and a connecting rod is fixedly connected between the fixed blocks, and a clamping block is slidably connected to one side of the fixed block, and an insertion rod is slidably connected to one of the support plates, and a slot is provided on the rotating rod; the ventilation pipe can be fixed when welding, and the ventilation pipe can be conveniently rotated to facilitate welding of different sides of the ventilation pipe.

[0004] The above document discloses a stainless steel ventilation pipe that is easy to weld but has the following defects: after welding the two pipes, the newly welded pipe joint is relatively fragile and needs to be fixed and wait for the weld to cool down. This structure cannot fix the two pipes together, nor can the two ends of the two pipes be welded again.

[0005] It can be seen from this that the existing stainless steel ventilation pipe does not have the function of fixing the connection between the two pipes to be cooled after welding. It is necessary to improve the existing deficiencies and provide a function of effectively fixing the connection between the two pipes to be cooled after welding. Utility Model Content

[0006] The purpose of the utility model is to provide a stainless steel ventilation pipe that is easy to weld, so as to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] The utility model is a stainless steel ventilation pipe that is easy to weld, comprising a fixing structure, a locking structure and a pipe, wherein the locking structure is clamped on the upper surface of the fixing structure, and the fixing structure is sleeved on the connection of two pipes, and the fixing structure comprises a lower clamp, and a circular groove is respectively opened on the outer walls of both sides of the lower clamp, and the circular groove passes through the lower clamp, and a rotating rod is rotatably connected on the inner wall of each two circular grooves, and a rotating block is welded on the end close to each two rotating rods, and a screw is welded on the top outer wall of the rotating block, and a threaded screw block is sleeved on the outer wall of the screw. The purpose of this arrangement is that during the pipe welding process, the welding point of the two pipes is placed on the top inner wall of the lower clamp, the upper clamp is rotated, and the rotating rod connected to the upper clamp is limited and rotated in the circular groove to connect the lower clamp and the upper clamp together, and the upper clamp is adjusted to the top outer wall of the connection between the two pipes, the screw is rotated into the movable groove, and the screw is fixed to the lower clamp through the rotating block and the rotating rod, and then the threaded block is fixed to the movable part of the screw and the movable groove of the upper clamp, and the bolt is rotated to fix the bottom of the welding point of the two pipes, so that the two pipes are limited in the path where the lower clamp and the upper clamp are easy to loosen, and the connection between the bolt and the lower clamp is fixed by the fastening ring and the nut, thereby enhancing the tightness of the connection between the two pipes.

[0009] Furthermore, an upper clamp is welded to the adjacent end of the other two rotating rods. A movable groove is defined on the outer wall of the upper clamp, and the lower and upper clamps are respectively sleeved onto the upper and lower surfaces of the two pipes. This arrangement allows the welded portion of the two pipes to be placed on the top inner wall of the lower clamp, the upper clamp is rotated and adjusted to the top outer wall of the connection between the two pipes, the screw is rotated into the movable groove, and a threaded block is secured to the movable portion between the screw and the movable groove of the upper clamp.

[0010] Furthermore, the screw is inserted into the inner wall of the movable groove, and the threaded block is located on the upper surface of the movable groove. The purpose of this arrangement is that during the pipe welding process, the screw is rotated into the movable groove and the threaded block is fixed to the movable part between the screw and the movable groove of the upper clamp.

[0011] Furthermore, a limit slot is defined on the inner wall of the lower clamp, and a bolt is threadedly connected to the inner wall of the limit slot, with the top end of the bolt resting on the top inner wall of the limit slot. This arrangement allows the bottom of the welded joint between the two pipes to be fixed by rotating the bolt during the pipe welding process, thereby limiting the position of the two pipes in a path where the lower and upper clamps are prone to loosening.

[0012] Furthermore, a fastening ring is sleeved on the outer wall of the bolt, and the fastening ring is located on the lower surface of the lower clamp. The purpose of this arrangement is that during the pipeline welding process, the connection between the bolt and the lower clamp is fixed by the nut, and the fastening ring strengthens the connection between the bolt and the nut.

[0013] Furthermore, a nut is threadedly connected to the outer wall of the bottom of the bolt, and the nut is located on the lower surface of the fastening ring. The purpose of this arrangement is to fix the connection between the bolt and the lower clamp through the fastening ring and the nut during the pipeline welding process.

[0014] The utility model has the following beneficial effects:

[0015] (1) The utility model rotates the upper clamp by setting a rotating rod and a screw rod. The rotating rod connected to the upper clamp rotates within a limited position in the circular groove, so that the lower clamp and the upper clamp are connected together. The upper clamp is adjusted to the top outer wall of the connection between the two pipes, and the screw rod is rotated into the movable groove. The screw rod is connected to the rotating rod through a rotating block to fix the screw rod on the lower clamp, and then the threaded screw block is fixed to the movable part of the screw rod and the movable groove of the upper clamp.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a partial structural diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the split structure of the locking structure of the utility model;

[0022] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0023] In the figure: 1. Fixed structure; 100. Circular groove; 101. Lower clamp; 102. Limiting groove; 103. Upper clamp; 104. Rotating rod; 105. Movable groove; 2. Locking structure; 201. Bolt; 202. Fastening ring; 203. Nut; 204. Rotating block; 205. Screw; 206. Threaded block; 3. Pipeline. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1 - Figure 4 As shown, the utility model is a stainless steel ventilation pipe that is easy to weld, including a fixing structure 1, a locking structure 2 and a pipe 3. The locking structure 2 is clamped on the upper surface of the fixing structure 1, and the fixing structure 1 is sleeved at the connection between the two pipes 3. The fixing structure 1 includes a lower clamp 101, and a circular groove 100 is respectively opened on the outer walls on both sides of the lower clamp 101. The circular groove 100 runs through the lower clamp 101, and a rotating rod 104 is rotatably connected on the inner wall of every two circular grooves 100. A rotating block 204 is welded at one end where every two rotating rods 104 are close to each other, and a screw 205 is welded on the top outer wall of the rotating block 204. A threaded screw block 206 is sleeved on the outer wall of the screw 205. The purpose of such arrangement is that during the welding process of the pipes 3, the welding point of the two pipes 3 is placed on the top inner wall of the lower clamp 101, the upper clamp 103 is rotated, and the rotating rod 104 connected to the upper clamp 103 is limited and rotated in the circular groove 100, so that the lower clamp 101 and the upper clamp 103 are connected together, and the upper clamp 103 is adjusted to the top outer wall of the connection point of the two pipes 3, and the screw 205 is rotated into the movable groove 105 and connected to the rotating rod 104 through the rotating block 204. The screw rod 205 is fixed on the lower clamp 101, and then the threaded block 206 is fixed to the movable part of the screw rod 205 and the movable groove 105 of the upper clamp 103. The bolt 201 is rotated to fix the bottom of the welding part of the two pipes 3, so that the two pipes 3 are limited in the path where the lower clamp 101 and the upper clamp 103 are easy to loosen. The connection between the bolt 201 and the lower clamp 101 is fixed by the fastening ring 202 and the nut 203, thereby enhancing the tightness of the connection between the two pipes 3.

[0026] The other two rotating rods 104 are welded to the ends close to the upper clamp 103, and the outer wall of the upper clamp 103 is provided with a movable groove 105. The lower clamp 101 and the upper clamp 103 are respectively sleeved on the upper and lower surfaces of the two pipes 3. The purpose of this arrangement is that during the welding process of the pipes 3, the welding point of the two pipes 3 is placed on the top inner wall of the lower clamp 101, the upper clamp 103 is rotated and adjusted to the top outer wall of the connection point of the two pipes 3, the screw 205 is rotated into the movable groove 105, and the threaded block 206 is fixed to the movable point between the screw 205 and the movable groove 105 of the upper clamp 103.

[0027] The screw rod 205 is inserted into the inner wall of the movable groove 105, and the threaded block 206 is located on the upper surface of the movable groove 105. The purpose of this arrangement is that during the welding process of the pipe 3, the screw rod 205 is rotated into the movable groove 105 and the threaded block 206 is fixed at the movable point between the screw rod 205 and the movable groove 105 of the upper clamp 103.

[0028] A limiting groove 102 is formed on the inner wall of the lower clamp 101. A bolt 201 is threadedly connected to the inner wall of the limiting groove 102, with the top end of the bolt 201 resting on the top inner wall of the limiting groove 102. This arrangement allows the bottom of the two pipes 3 to be fixed at the weld during the welding process, thereby limiting the position of the two pipes 3 in the path where the lower clamp 101 and the upper clamp 103 are prone to loosening.

[0029] A fastening ring 202 is sleeved on the outer wall of the bolt 201 and is located on the lower surface of the lower clamp 101. This arrangement is intended to allow the nut 203 to secure the connection between the bolt 201 and the lower clamp 101 during the welding process of the pipe 3, and the fastening ring 202 to reinforce the connection between the bolt 201 and the nut 203.

[0030] The outer wall of the bottom of the bolt 201 is threadedly connected with a nut 203, which is located on the lower surface of the fastening ring 202. The purpose of this arrangement is to fix the connection between the bolt 201 and the lower clamp 101 through the fastening ring 202 and the nut 203 during the welding process of the pipe 3.

[0031] During use, during the welding process of the pipes 3, the welding point of the two pipes 3 is placed on the top inner wall of the lower clamp 101, the upper clamp 103 is rotated, and the rotating rod 104 connected to the upper clamp 103 is limited and rotated in the circular groove 100, so that the lower clamp 101 and the upper clamp 103 are connected together, and the upper clamp 103 is adjusted to the top outer wall of the connection point of the two pipes 3, and the screw 205 is rotated into the movable groove 105, and is connected to the rotating rod 104 through the rotating block 204, so that the screw The rod 205 is fixed on the lower clamp 101, and then the threaded block 206 is fixed to the movable part of the screw rod 205 and the movable groove 105 of the upper clamp 103. The bolt 201 is rotated to fix the bottom of the welding part of the two pipes 3, so that the two pipes 3 are limited in the path where the lower clamp 101 and the upper clamp 103 are easy to loosen. The connection between the bolt 201 and the lower clamp 101 is fixed by the fastening ring 202 and the nut 203, thereby enhancing the tightness of the connection between the two pipes 3.

[0032] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A stainless steel ventilation pipe that is easy to weld, comprising a fixing structure (1), a locking structure (2) and a pipe (3), characterized in that: The locking structure (2) is clamped on the upper surface of the fixing structure (1), and the fixing structure (1) is sleeved on the connection of the two pipes (3). The fixing structure (1) includes a lower clamp (101), and a circular groove (100) is respectively opened on the outer wall of both sides of the lower clamp (101). The circular groove (100) passes through the lower clamp (101), and a rotating rod (104) is rotatably connected on the inner wall of each two circular grooves (100). A rotating block (204) is welded to the end close to each two rotating rods (104), a screw (205) is welded on the top outer wall of the rotating block (204), and a threaded screw block (206) is sleeved on the outer wall of the screw (205).

2. The conveniently welded stainless steel ventilation pipe according to claim 1, characterized in that: An upper clamp (103) is welded to one end of the other two rotating rods (104), and a movable groove (105) is provided on the outer wall of the upper clamp (103). The lower clamp (101) and the upper clamp (103) are respectively sleeved on the upper and lower surfaces of the two pipes (3).

3. The conveniently welded stainless steel ventilation pipe according to claim 2, characterized in that: The screw rod (205) is inserted into the inner wall of the movable groove (105), and the threaded screw block (206) is located on the upper surface of the movable groove (105).

4. The conveniently welded stainless steel ventilation pipe according to claim 1, characterized in that: A limiting groove (102) is provided on the inner wall of the lower clamp (101), a bolt (201) is threadedly connected to the inner wall of the limiting groove (102), and the top end of the bolt (201) is located on the top inner wall of the limiting groove (102).

5. The conveniently welded stainless steel ventilation pipe according to claim 4, characterized in that: A fastening ring (202) is sleeved on the outer wall of the bolt (201), and the fastening ring (202) is located on the lower surface of the lower clamp (101).

6. The conveniently welded stainless steel ventilation pipe according to claim 5, characterized in that: A nut (203) is threadedly connected to the outer wall of the bottom of the bolt (201), and the nut (203) is located on the lower surface of the fastening ring (202).

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