Metal pipeline connection sealing device

Abstract

The utility model discloses a metal pipeline connection sealing device, which relates to the technical field of metal pipeline connection, and comprises a first metal pipeline and a second metal pipeline, two connector assemblies are arranged between the first metal pipeline and the second metal pipeline, and each connector assembly comprises a hose. According to the metal pipeline connecting and sealing device, the threaded rod is driven to rotate through the hand poking wheel, the threaded rod is driven to rotate through the hand poking wheel and is matched with the guide rod for guiding and assisting, and therefore the connecting and sealing device can be used for connecting and sealing the first metal pipeline and the second metal pipeline. According to the device, the second clamping plate and the first clamping plate can be driven to quickly clamp the two mounting plates, mounting and fixing can be completed without complex tools, the construction efficiency is greatly improved, compared with traditional welding or flange connection, the device does not need welding operation, the problems of welding deformation, defects and the like are avoided, dismounting is convenient during later maintenance, and damaged parts can be quickly replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of metal pipeline connection, especially a metal pipeline connection sealing device. BACKGROUND

[0002] In the field of industrial production, municipal engineering and building construction, metal pipelines bear the heavy responsibility of conveying water, gas, chemical fluids and other media, and their connection and sealing performance directly affects the safety and stability of system operation.

[0003] The commonly used welding connection or flange connection method, although the welding connection can achieve firm connection of the pipeline, defects such as deformation, pores and cracks are easily generated in the welding process, and it is difficult to disassemble and replace in the later maintenance, while the flange connection relies on a large number of bolts and nuts for fastening, the installation process is complicated and time-consuming, and after long-term use, the bolts are prone to loosening, and the sealing gasket will also accelerate aging due to factors such as medium erosion and mechanical vibration, thereby causing leakage problems, not only causing resource waste, but also possibly causing serious safety accidents such as fire and explosion; the traditional connection device is usually fixed in size, and it is difficult to flexibly adapt to the sealing needs of pipelines of different specifications, and it is even more difficult to maintain reliable sealing under dynamic working conditions such as thermal expansion and cold contraction, in order to solve the above problems, the metal pipeline connection sealing device is proposed. SUMMARY

[0004] The main purpose of the utility model is to provide a metal pipeline connection sealing device, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A metal pipeline connection sealing device, comprising a first metal pipeline and a second metal pipeline, two connecting head assemblies are arranged between the first metal pipeline and the second metal pipeline, the connecting head assembly comprises a hose, the hose is respectively sleeved on the outer side of the corresponding first metal pipeline and second metal pipeline, two tightening assemblies are arranged on the outer side of the hose, one side of the hose is fixedly connected with an amplification cover, one side of the amplification cover is fixedly connected with a mounting plate, a sealing ring is arranged between the two mounting plates, four clamping assemblies are arranged on the outer side of the two mounting plates.

[0007] Preferably, the tightening assembly comprises a limiting cover, the lower end of the limiting cover is fixedly connected with a limiting tooth belt, the limiting tooth belt is sleeved on the outer side of the hose, and one end of the limiting tooth belt is arranged in the inner cavity of the limiting cover, a clamping joint is arranged on the inner side of the limiting cover, the clamping joint is engaged on the outer side of the limiting tooth belt, a pull rod is fixedly connected on the outer side of the clamping joint, and the pull rod is in sliding connection with the limiting cover.

[0008] Preferably, a spring is sleeved on the outer side of the pull rod, and the two ends of the spring are fixedly connected to the snap connector and the limiting cover, respectively. A pull ring is fixedly connected to the outer side of the pull rod, and the pull ring is located on the outer side of the limiting cover.

[0009] Preferably, the clamping assembly includes a mounting block, a first clamping plate is fixedly connected to one side of the mounting block, and a second clamping plate is slidably connected to one side of the mounting block, with the second clamping plate and the first clamping plate respectively disposed on the outer sides of the two mounting plates.

[0010] Preferably, two grooves are provided on one side of the mounting block. A guide rod is fixedly connected to the inner side of one groove, and a threaded rod is rotatably connected to the inner side of the other groove. A threaded block and a slider are fixedly connected to the side of the second clamping plate near the mounting block. The threaded block and the slider are slidably connected to the inner side of the corresponding grooves.

[0011] Preferably, the threaded block is threaded to the outside of the threaded rod, the slider is slidably connected to the inside of the guide rod, and a handwheel is fixedly connected to one side of the threaded rod, the handwheel being located on the outside of the mounting block.

[0012] Preferably, a rubber gasket is provided on the inner side of the hose, and the rubber gasket is sleeved on the outer side of the corresponding first metal pipe and second metal pipe.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. This metal pipe connection sealing device, driven by a handwheel to rotate a threaded rod, and with the assistance of a guide rod, can quickly clamp the two mounting plates together with the second clamping plate and the first clamping plate. Installation and fixing can be completed without complicated tools, greatly improving construction efficiency. Compared with traditional welding or flange connection, this device does not require welding operation, avoiding problems such as welding deformation and defects. Moreover, it is easy to disassemble during later maintenance, and damaged parts can be quickly replaced.

[0015] 2. This metal pipe connection sealing device uses a rubber gasket on the inside of the hose to precisely fit the outer diameter of the pipe. Utilizing high elasticity and strong sealing properties, it effectively fills the tiny gaps between the hose and the pipe. Combined with the combination of the limiting toothed belt and the clamping connector in the tightening component, it achieves automatic locking through a spring. The tightening force can be flexibly adjusted according to the pipe specifications to ensure that the hose fits tightly against the pipe, forming a multi-layered sealing barrier to effectively prevent media leakage. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a metal pipe connection sealing device according to the present invention;

[0017] Figure 2The utility model discloses a whole explosion structure schematic diagram of a metal pipeline connecting sealing device.

[0018] Figure 3 The utility model discloses a partial structure sectional view of a metal pipeline connecting sealing device.

[0019] Figure 4 The utility model discloses a partial explosion structure schematic diagram of a metal pipeline connecting sealing device.

[0020] Figure 5 The utility model discloses an A place amplification structure schematic diagram of a metal pipeline connecting sealing device.

[0021] In the drawing: 1, first metal pipeline;2, second metal pipeline;3, rubber gasket;4, tighten assembly;41, limit cover;42, limit tooth belt;43, joint;44, pull rod;45, spring;46, pull ring;5, hose;6, amplification cover;7, mounting plate;8, sealing ring;9, clamping assembly;91, mounting block;92, first clamping plate;93, second clamping plate;94, sliding block;95, threaded block;96, sliding slot;97, threaded rod;98, guide rod;99, hand wheel. Specific implementation

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation.

[0023] As Figures 1-5 The utility model discloses a metal pipeline connecting sealing device, including first metal pipeline 1 and second metal pipeline 2, be provided with two connecting head assemblies between first metal pipeline 1 and second metal pipeline 2, and connecting head assembly includes hose 5, and the hose 5 is respectively set on the outside of corresponding first metal pipeline 1 and second metal pipeline 2, and the outside of hose 5 is provided with two tighten assembly 4, and one side of hose 5 is fixedly connected with amplification cover 6, and one side of amplification cover 6 is fixedly connected with mounting plate 7, and the sealing ring 8 is arranged between two mounting plates 7, and the outside of two mounting plates 7 is provided with four clamping assemblies 9.

[0024] In the embodiment, the tighten assembly 4 includes the limit cover 41, the lower end of the limit cover 41 is fixedly connected with the limit tooth belt 42, the limit tooth belt 42 is set on the outside of the hose 5, and one end of the limit tooth belt 42 is arranged in the inner chamber of the limit cover 41, the inner side of the limit cover 41 is provided with the joint 43, the joint 43 is engaged on the outside of the limit tooth belt 42, the outside of the joint 43 is fixedly connected with the pull rod 44, the pull rod 44 is slidably connected with the limit cover 41, the outside of the pull rod 44 is sleeved with the spring 45, the both ends of the spring 45 are fixedly connected with the joint 43 and the limit cover 41 respectively, the outside of the pull rod 44 is fixedly connected with the pull ring 46, and the pull ring 46 is arranged on the outside of the limit cover 41.

[0025] Specifically, the two hoses 5 are respectively sleeved outside the first metal pipeline 1 and the second metal pipeline 2, at this time, the pull rod 44 in the tightening assembly 4 is pulled again, the clamping joint 43 is driven to disengage from the limiting tooth belt 42, the position of the limiting tooth belt 42 outside the hose 5 is adjusted, and then the pull rod 44 is loosened, the spring 45 pushes the clamping joint 43 to re-engage the limiting tooth belt 42, and the hose 5 is tightened to be stably sleeved on the corresponding first metal pipeline 1 and second metal pipeline 2.

[0026] In the embodiment, the clamping assembly 9 comprises a mounting block 91, one side of the mounting block 91 is fixedly connected with a first clamping plate 92, one side of the mounting block 91 is slidably connected with a second clamping plate 93, the second clamping plate 93 and the first clamping plate 92 are respectively arranged outside the two mounting plates 7, two sliding grooves 96 are formed in one side of the mounting block 91, one of the sliding grooves 96 is fixedly connected with a guide rod 98 on the inner side, the other sliding groove 96 is rotatably connected with a threaded rod 97 on the inner side, the second clamping plate 93 is fixedly connected with a threaded block 95 and a sliding block 94 on the side close to the mounting block 91, the threaded block 95 and the sliding block 94 are respectively slidably connected in the corresponding sliding grooves 96, the threaded block 95 is threadedly connected on the outer side of the threaded rod 97, the sliding block 94 is slidably connected in the inner side of the guide rod 98, one side of the threaded rod 97 is fixedly connected with a hand wheel 99, and the hand wheel 99 is arranged outside the mounting block 91.

[0027] Specifically, the sealing ring 8 can be clamped between the two mounting plates 7 through the mounting plate 7 connected with the enlarged cover 6 on one side of the hose 5, and the sealing performance of the connection part is enhanced, at this time, the hand wheel 99 in the clamping assembly 9 is rotated, the rotation of the hand wheel 99 drives the threaded rod 97 to rotate, the threaded block 95 moves, and then the second clamping plate 93 and the first clamping plate 92 can be clamped to the two mounting plates 7 through the guidance of the guide rod 98, the device installation and fixation are completed, and the reliability of the connection sealing is ensured.

[0028] In the embodiment, the inner side of the hose 5 is provided with the rubber gasket 3, and the rubber gasket 3 is sleeved outside the corresponding first metal pipeline 1 and second metal pipeline 2.

[0029] Specifically, the rubber gasket 3 is made of high-quality rubber material with high elasticity, wear resistance and strong corrosion resistance, and can accurately fit the outer diameter of the first metal pipeline 1 and the second metal pipeline 2, so as to be firmly sleeved outside the corresponding first metal pipeline 1 and second metal pipeline 2, thereby ensuring the sealing performance and stability of the connection part of the first metal pipeline 1 and the second metal pipeline 2, and prolonging the overall service life of the metal pipeline connection sealing device.

[0030] It needs to be explained that the utility model discloses a metal pipeline connecting sealing device, the user first respectively suit two hoses 5 on the first metal pipeline 1 and the second metal pipeline 2 outside, at this time, the rubber gasket 3 in the inside of hose 5 is used again to enhance the adhesion sealing with the pipeline, at this time, the pull rod 44 in the tightening assembly 4 is pulled again, drives the joint 43 to separate the position limiting toothed belt 42, after adjusting the position limiting toothed belt 42 on the outside of hose 5, the pull rod 44 is loosened, the spring 45 pushes the joint 43 and reengages the position limiting toothed belt 42, makes hose 5 tighten and make it firm suit on the corresponding first metal pipeline 1 and the second metal pipeline 2, through the installation plate 7 connected by the one side of hose 5 enlargies cover 6, the sealing ring 8 can be conveniently clamped between two installation plates 7, and the sealing property of connecting part is enhanced, at this time, the hand ratchet wheel 99 in the clamping assembly 9 is rotated, the hand ratchet wheel 99 rotation will drive the threaded rod 97 to rotate, makes the threaded block 95 move, at this time, through the guide rod 98 guide auxiliary, the second clamping plate 93 and the first clamping plate 92 can be conveniently realized and clamp two installation plates 7, and the device installation is fixed, guarantees the reliability of connection sealing, and it is more practical.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A metal pipe connection sealing device, comprising a first metal pipe (1) and a second metal pipe (2), characterized in that: Two connector assemblies are provided between the first metal pipe (1) and the second metal pipe (2). Each connector assembly includes a hose (5). The hose (5) is respectively sleeved on the outside of the corresponding first metal pipe (1) and second metal pipe (2). Two tightening assemblies (4) are provided on the outside of the hose (5). A magnifying cover (6) is fixedly connected to one side of the hose (5). A mounting plate (7) is fixedly connected to one side of the magnifying cover (6). A sealing ring (8) is provided between the two mounting plates (7). Four clamping assemblies (9) are provided on the outside of the two mounting plates (7).

2. The metal pipe connection sealing device according to claim 1, characterized in that: The tightening assembly (4) includes a limiting cover (41), the lower end of which is fixedly connected to a limiting toothed belt (42). The limiting toothed belt (42) is sleeved on the outside of the hose (5), and one end of the limiting toothed belt (42) is located in the inner cavity of the limiting cover (41). A snap-fit ​​connector (43) is provided on the inner side of the limiting cover (41). The snap-fit ​​connector (43) engages with the outside of the limiting toothed belt (42). A pull rod (44) is fixedly connected to the outside of the snap-fit ​​connector (43). The pull rod (44) is slidably connected to the limiting cover (41).

3. The metal pipe connection sealing device according to claim 2, characterized in that: A spring (45) is sleeved on the outside of the pull rod (44). The two ends of the spring (45) are fixedly connected to the snap connector (43) and the limiting cover (41) respectively. A pull ring (46) is fixedly connected to the outside of the pull rod (44). The pull ring (46) is located on the outside of the limiting cover (41).

4. A metal pipe connection sealing device according to claim 1, characterized in that: The clamping assembly (9) includes a mounting block (91), a first clamping plate (92) is fixedly connected to one side of the mounting block (91), and a second clamping plate (93) is slidably connected to one side of the mounting block (91). The second clamping plate (93) and the first clamping plate (92) are respectively located on the outside of the two mounting plates (7).

5. A metal pipe connection sealing device according to claim 4, characterized in that: Two grooves (96) are provided on one side of the mounting block (91). A guide rod (98) is fixedly connected to the inner side of one of the grooves (96), and a threaded rod (97) is rotatably connected to the inner side of the other groove (96). A threaded block (95) and a slider (94) are fixedly connected to the side of the second clamping plate (93) near the mounting block (91). The threaded block (95) and the slider (94) are slidably connected to the inner side of the corresponding groove (96).

6. A metal pipe connection sealing device according to claim 5, characterized in that: The threaded block (95) is threaded to the outside of the threaded rod (97), the slider (94) is slidably connected to the inside of the guide rod (98), and a handwheel (99) is fixedly connected to one side of the threaded rod (97), the handwheel (99) being located on the outside of the mounting block (91).

7. A metal pipe connection sealing device according to claim 1, characterized in that: A rubber gasket (3) is provided on the inner side of the hose (5), and the rubber gasket (3) is sleeved on the outer side of the corresponding first metal pipe (1) and second metal pipe (2).

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