Flange connection reinforcing structure of stainless steel flange air pipe

Abstract

The utility model relates to the field of building ventilation systems, and discloses a flange connection reinforcing structure of a stainless steel flange air duct, which comprises a base plate, the front and rear ends of the left end of the base plate are fixedly connected with circular rings, the opposite ends of the two circular rings are fixedly connected with a cylinder, and the outer wall of the cylinder is rotatably connected with a top plate. A threaded rod is rotationally connected to the top end of the top disc, a clamping assembly is arranged at the bottom end of the threaded rod, the threaded rod is connected with a fixing ring through the clamping assembly, a limiting assembly is arranged at the right end of the bottom disc, and the bottom disc is connected with a round pipe through the limiting assembly. According to the utility model, the two pipelines are clamped through the clamping assembly, so that the flange connection is firmer, the connection looseness caused by vibration or pressure change is greatly reduced, and the stability of the whole air pipe system is greatly improved; and meanwhile, the device can be easily disassembled through the limiting assembly, so that the daily maintenance convenience of the air pipe system is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building ventilation system field especially stainless steel flange air pipe's flange connection reinforcing structure. BACKGROUND

[0002] Stainless steel flange air pipe is a kind of air pipe component commonly used in building ventilation, air conditioning system, mainly by stainless steel material is made, and the air pipe is connected by flange, can ensure the sealing property and stability of connection.Stainless steel flange can be connected with other parts of air pipe by welding or bolt fixing etc.

[0003] Through the retrieval, the stainless steel air pipe with high pressure resistance and corrosion resistance of CN217683694U, including pipe body, first flange, second flane, air pipe frame, a group of reinforcing rings, a group of coaming, corrosion-resistant layer, the first flange and second flane are oppositely arranged at the both ends of pipe body, and are fixedly connected with pipe body respectively, the air pipe frame is arranged on the outer side of pipe body, and is fixedly connected with pipe body, the air pipe frame is connected first flange and second flane, the reinforcing ring is spaced apart and arranged on the outer side of pipe body, and is fixedly connected with pipe body and air pipe frame, the coaming is spaced apart and arranged on the outer side of air pipe frame, and is fixedly connected with first flane, second flane, air pipe frame and reinforcing ring, the coaming and pipe body are equipped with corrosion-resistant layer between.

[0004] Based on the above patent, the first flange can be connected with the second flange, which makes the air pipe connection stable and firm, and the design of sealing groove and sealing ring significantly improves the sealing property when the air pipe is connected, but the above device relies on two flanges to fix the pipeline, which may cause the pipeline to be not firm enough, and gaps may appear at the connection, thereby reducing the sealing performance of the air pipe, causing system air leakage, affecting the normal operation of ventilation and air conditioning system, and simultaneously the device can not be disassembled or can not be disassembled, so that the disassembled connection structure makes it very difficult to maintain and repair the air pipe system, and once the system has a problem, destructive disassembly may be required, increasing maintenance cost and time. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art, and the flange connection reinforcing structure of stainless steel flange air pipe is provided, which relies on clamping assembly to clamp two pipelines, and can be disassembled when replacement and maintenance are required.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: The flange connection reinforcing structure of stainless steel flange air pipe, including the chassis, the left end of the chassis is fixedly connected with the circular ring in front and back, the opposite end of two circular rings is fixedly connected with the cylinder, the outer wall of the cylinder is rotatably connected with the top tray, the top end of the top tray is rotatably connected with the threaded rod, the bottom end of the threaded rod is provided with the clamping assembly, the threaded rod is connected with the fixed ring through the clamping assembly, the right end of the chassis is provided with the limiting assembly, the chassis is connected with the circular pipe through the limiting assembly.

[0007] Further, the clamping assembly includes a lower pressing block fixedly connected to the bottom end of the threaded rod, the lower pressing block is fixedly connected with a top block at the bottom end, the bottom end of the top block is rotatably connected with an adapter, and the outer wall of the adapter is sleeved with the fixed ring.

[0008] Further, the lower pressing block and the top block are arranged in the placing groove of the top tray, and the outer walls of the lower pressing block and the top block are slidably connected to the inner wall of the top tray.

[0009] Further, the front end of the adapter penetrates the fixed ring and is sleeved with a sleeve ring, and the adapter and the sleeve ring are relatively fixed to the fixed ring.

[0010] Further, the bottom end right side of the top tray is fixedly connected with an insert, the top end right side of the chassis is provided with an insertion slot, and the size of the insertion slot is adapted to the size of the insert.

[0011] Further, the limiting assembly includes clamping pieces slidably connected to the inner walls of the right end of the chassis, the opposite ends of the two clamping pieces are fixedly connected with pressing blocks, and the opposite ends of the two clamping pieces are fixedly connected with springs.

[0012] Further, the outer wall of the spring is fixedly connected with a circular pipe, and the outer wall of the circular pipe is fixedly connected to the inner wall of the chassis.

[0013] Further, the top end of the threaded rod is fixedly connected with a rotating handle, and the rotating handle is used for rotating the threaded rod.

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

[0015] 1. In the utility model, the clamping assembly is used for clamping two pipes, which ensures that the flange connection is more firm, greatly reduces the connection loosening caused by vibration or pressure change, and greatly improves the stability of the entire air pipe system.

[0016] 2. In the utility model, the limiting assembly is used for easily disassembling the device, which greatly enhances the convenience of daily maintenance of the air pipe system, improves the flexibility of system layout, and facilitates adjustment or modification according to actual needs. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective view of the flange connection reinforcing structure of the stainless steel flange air pipe according to the present application;

[0018] Figure 2 A top disc section view of the flange connection reinforcing structure of the stainless steel flange air pipe according to the present application;

[0019] Figure 3 A spring display view of the flange connection reinforcing structure of the stainless steel flange air pipe according to the present application;

[0020] Figure 4 A top block display view of the flange connection reinforcing structure of the stainless steel flange air pipe according to the present application;

[0021] Figure 5 A fixed ring display view of the flange connection reinforcing structure of the stainless steel flange air pipe according to the present application.

[0022] LEGEND:

[0023] 1, bottom disc; 2, circular ring; 3, pressing block; 4, clamping piece; 5, top disc; 6, handle; 7, fixed ring; 8, adapter; 9, sleeve ring; 10, threaded rod; 11, lower pressing block; 12, top block; 13, plug-in piece; 14, cylinder; 15, placing groove; 16, insertion groove; 17, spring; 18, circular pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] REFERENCE Figure 1 , Figure 2 , Figure 4 and Figure 5The utility model provides a kind of flange connection reinforcing structure of stainless steel flange air pipe, including chassis 1, the left end of chassis 1 is fixedly connected with annular ring 2, the opposite end of two annular rings 2 is commonly fixedly connected with cylinder 14, the outer wall of cylinder 14 is rotatably connected with top tray 5, the top end of top tray 5 is rotatably connected with threaded rod 10, the top end of threaded rod 10 is fixedly connected with handle 6, handle 6 is used to rotate threaded rod 10, the bottom end of threaded rod 10 is provided with clamping assembly, threaded rod 10 is connected with fixed ring 7 by clamping assembly, clamping assembly includes the lower block 11 of fixed connection in the bottom end of threaded rod 10, the bottom end of lower block 11 is fixedly connected with top block 12, the bottom end of top block 12 is rotatably connected with adapter 8, the outer wall of adapter 8 is sleeved with fixed ring 7, the front end of adapter 8 penetrates fixed ring 7 and is sleeved with sleeve ring 9, adapter 8 and sleeve ring 9 relatively fix fixed ring 7, lower block 11 and top block 12 are placed in the placement groove 15 of top tray 5, the outer wall of lower block 11 and top block 12 is slidably connected in the inner wall of top tray 5, the right side of the bottom end of top tray 5 is fixedly connected with insert 13, the right side of the top end of chassis 1 is provided with insertion slot 16, the size of insertion slot 16 is compatible with the size of insert 13.

[0026] Specifically, fixed ring 7 is sleeved on air pipe or flange, then the adapter 8 rotatably connected with several top blocks 12 is accurately aligned with the fixed ring 7 already sleeved on air pipe or flange, to ensure that adapter 8 can be smoothly clamped into fixed ring 7, then sleeve ring 9 is aligned with adapter 8 to be sleeved, so that fixed ring 7 will not shift when subjected to pressure, maintaining the stability of connection, then when all top blocks 12 and adapters 8 are smoothly clamped in, it is considered that the fixing of fixed ring 7 is completed, then by rotating handle 6, threaded rod 10 fixedly connected with the bottom of handle 6 rotates with the rotation of handle 6, then by the rotation of threaded rod 10, top block 12 and top block 12 are slid downward along the inner wall of top tray 5, then with the depression of top block 12, adapter 8 rotatably connected with the bottom end of top block 12 will also be depressed, then by the rotation of adapter 8, the fixed ring 7 fixed by adapter 8 starts to rotate, then with the rotation of fixed ring 7, it drives the rest of top block 12 and top block 12 to approach the circular groove between chassis 1 and top tray 5, then with the continuous depression of top block 12 and adapter 8, fixed ring 7 will tightly clamp the middle flange or flange air pipe, ensuring that the connection between flange and air pipe is firm and reliable, and will not loosen due to vibration or pressure change.

[0027] Refer to Figure 1 , Figure 2 and Figure 3The right end of the chassis 1 is provided with a limiting assembly, the chassis 1 is connected with the circular pipe 18 through the limiting assembly, the limiting assembly comprises clamping pieces 4 which are slidably connected to the inner walls of the right end of the chassis 1, the opposite ends of the two clamping pieces 4 are fixedly connected with pressing blocks 3, the opposite ends of the two clamping pieces 4 are fixedly connected with a spring 17, the outer wall of the spring 17 is fixedly connected with the circular pipe 18, and the outer wall of the circular pipe 18 is fixedly connected to the inner wall of the chassis 1.

[0028] Specifically, the operator needs to take the device from the tool box, then press the pressing block 3, so that the pressing block 3 drives the clamping piece 4 fixedly connected with the pressing block 3 to slide along the designed track to the inner wall of the chassis 1, when the clamping pieces 4 on the two sides start to slide inward, the clamping pieces 4 on the two sides jointly act on the connected spring 17, so that the spring 17 is extruded and shrunk into the circular pipe 18, then the top disc 5 is rotated under the assistance of the cylinder 14, so that the top disc 5 is opened to the left, and the flange and the air pipe clamped are maintained or maintained and replaced according to the requirement, the device can be easily disassembled through the limiting assembly, so that the convenience of daily maintenance of the air pipe system is greatly enhanced, and the flexibility of system layout is improved, and adjustment or modification according to actual needs is facilitated.

[0029] Working principle: first, take out the device, then select the appropriate fixing ring 7 according to the size of the flange of the stainless steel flange air pipe, then set the fixing ring 7 on the air pipe or the flange, then press the pressing blocks 3 on the front and back sides of the chassis 1, so that the pressing block 3 drives the clamping piece 4 fixedly connected with the pressing block 3 to slide to the inner wall of the chassis 1, then the clamping pieces 4 on the two sides extrude and shrink the spring 17 fixedly connected with the two clamping pieces 4 into the circular pipe 18 at the same time, so that the top end of the clamping piece 4 is separated from the top disc 5, then the top disc 5 is rotated, and the top disc 5 is rotated to the left with the help of the cylinder 14, then the slot between the chassis 1 and the top disc 5 is aligned with the fixed position of the flange or the flange pipe, then the space is closed by rotating the top disc 5, then the several top blocks 12 in the slot are aligned with the clamping piece 8 connected with the top block 12, and the other side of the fixing ring 7 is closed by setting the sleeve ring 9 on the clamping piece 8, then after being clamped, the handle 6 is rotated, so that the handle 6 drives the threaded rod 10 fixedly connected with the bottom end to rotate, through the rotation of the threaded rod 10, the lower pressing block 11 and the top block 12 slide downward on the inner wall of the top disc 5, at the same time, through the downward pressing of the top block 12, the clamping piece 8 connected with the bottom end of the top block 12 is pressed downward, and the fixing ring 7 is rotated, then the rotation of the fixing ring 7 drives the remaining lower pressing block 11 and top block 12 to approach the circular groove between the chassis 1 and the top disc 5, and then the flange or the flange air pipe in the middle is clamped and fixed.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A flange connection reinforcing structure of a stainless steel flanged duct, comprising a base plate (1), characterized in that: Both left ends of the bottom disc (1) are fixedly connected with a circular ring (2), opposite ends of the two circular rings (2) are commonly fixedly connected with a cylinder (14), the outer wall of the cylinder (14) is rotatably connected with a top disc (5), the top end of the top disc (5) is rotatably connected with a threaded rod (10), the bottom end of the threaded rod (10) is provided with a clamping assembly, the threaded rod (10) is connected with a fixed ring (7) through the clamping assembly, the right end of the bottom disc (1) is provided with a limiting assembly, the bottom disc (1) is connected with a circular tube (18) through the limiting assembly.

2. The flange joint reinforcement structure of a stainless steel flanged air pipe according to claim 1, characterized by: The clamping assembly comprises a pressing block (11) fixedly connected to the bottom end of the threaded rod (10), the bottom end of the pressing block (11) is fixedly connected with a top block (12), the bottom end of the top block (12) is rotatably connected with a adapter (8), the outer wall of the adapter (8) is sleeved with the fixed ring (7).

3. The flange connection reinforcement structure of a stainless steel flanged air duct according to claim 2, characterized by: The pressing block (11) and the top block (12) are arranged in a placing groove (15) of the top disc (5), the outer walls of the pressing block (11) and the top block (12) are slidably connected to the inner wall of the top disc (5).

4. The reinforcing structure for a flange connection of a stainless steel flanged air duct according to claim 2, characterized in that: The front end of the adapter (8) penetrates the fixed ring (7) and is sleeved with a sleeve ring (9), the adapter (8) and the sleeve ring (9) relatively fix the fixed ring (7).

5. The flange joint reinforcement structure of a stainless steel flanged air pipe according to claim 1, characterized by: The bottom end right side of the top disc (5) is fixedly connected with an insert (13), the top end right side of the bottom disc (1) is provided with an insertion slot (16), the size of the insertion slot (16) is matched with the size of the insert (13).

6. The flange joint reinforcement structure of a stainless steel flanged air pipe according to claim 1, characterized by: The limiting assembly comprises a clamping piece (4) slidably connected to the inner walls of the right end of the bottom disc (1), the opposite ends of the two clamping pieces (4) are commonly fixedly connected with a spring (17).

7. The flange connection reinforcement structure of a stainless steel flanged air pipe according to claim 6, characterized by: The outer wall of the spring (17) is fixedly connected with a circular tube (18), the outer wall of the circular tube (18) is fixedly connected to the inner wall of the bottom disc (1).

8. The flange joint reinforcement structure of a stainless steel flanged air pipe according to claim 1, characterized by: The top end of the threaded rod (10) is fixedly connected with a rotating handle (6), the rotating handle (6) is used for rotating the threaded rod (10). The top end of the threaded rod (10) is fixedly connected with a rotating handle (6), the rotating handle (6) is used for rotating the threaded rod (10).

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