Nitrogen production device exhaust pipeline fixing device

By designing a U-shaped pipe support and a multi-component adjustment structure, the adaptability and stability issues of the existing nitrogen production unit's exhaust pipe fixing device were solved, enabling flexible adaptation to different pipe diameters and installation positions and improving the practicality of the device.

CN224315632UActive Publication Date: 2026-06-02GUCHENG HONGTAI GAS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUCHENG HONGTAI GAS CO LTD
Filing Date
2025-06-04
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The existing nitrogen production equipment's exhaust pipe fixing device cannot adapt to changes in pipe diameter and installation deviations, leading to fixing failure. It is also difficult to adjust and has poor applicability.

Method used

A fixing device is designed, which includes a U-shaped pipe support, a clamping and fixing component, an extension component, and a locking component. The position of the clamping pad is adjusted by rotating the disc, and the L-shaped extension support cooperates with the T-shaped guide groove to achieve adaptive fixing and height adjustment of the pipe.

Benefits of technology

The applicability of the fixing device has been improved, enabling it to adapt to different pipe diameters and uneven installation locations, thereby enhancing the stability and practicality of the pipeline.

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Abstract

This utility model provides a nitrogen production device exhaust pipe fixing device, relating to the field of nitrogen pipe fixing technology. It includes a U-shaped pipe support, with an installation groove at the top and guide grooves on both the left and right sides of the inner side of the U-shaped pipe support. A support pad is provided at the top of the U-shaped pipe support. Clamping and fixing components extending to the top and located on the left and right sides of the support pad are provided inside the installation groove. An extension component extending to the bottom is provided inside the guide groove, and a locking component penetrating to the outside and engaging with the U-shaped pipe support is provided inside the extension component. This nitrogen production device exhaust pipe fixing device is adaptable to nitrogen pipes of different diameters. A limiting spring, through a connecting plate, allows a pin to be inserted into the insertion hole of the U-shaped pipe support for locking. The height can be adjusted according to usage requirements and it can also adapt to uneven installation positions.
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Description

Technical Field

[0001] This utility model relates to the field of nitrogen pipeline fixing technology, and in particular to a nitrogen production device exhaust pipeline fixing device. Background Technology

[0002] The exhaust pipes of nitrogen production equipment (such as air separation equipment, nitrogen generators, etc.) are mainly used to discharge waste gas, residual pressure gas or unreacted nitrogen in the system. Since the nitrogen production process involves high pressure, high frequency vibration and long-term operation, the nitrogen pipes need to be fixedly installed.

[0003] A search revealed Chinese Patent Publication No. CN216479317U, which discloses a nitrogen pipeline support bracket, comprising two nitrogen pipes. Each nitrogen pipe has a fixed support beam at its lower end, and a fixed platform is welded to its upper end. An annular groove is provided in the middle of the outer surface of each nitrogen pipe. This technical solution uses a locking structure to limit and fix the nitrogen pipeline during use. However, this structure cannot be adjusted appropriately according to the nitrogen pipeline. The pipeline limitation relies on the rigid fit of the locking ring structure, and no adjustment structure is provided. In practical applications, when the pipeline diameter changes due to thermal expansion and contraction or there are slight installation deviations, the locking structure easily creates gaps with the outer wall of the pipeline, leading to fixing failure. Furthermore, this support structure is not easily adjustable, has poor applicability, and cannot meet usage requirements. Therefore, a nitrogen production device exhaust pipeline fixing device is proposed to solve the above-mentioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a nitrogen production device exhaust pipe fixing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A nitrogen production unit exhaust pipe fixing device includes a U-shaped pipe support. The top of the U-shaped pipe support is provided with an installation groove, and the left and right sides of the inner side of the U-shaped pipe support are provided with guide grooves. The top of the U-shaped pipe support is provided with a support pad. The installation groove is provided with clamping and fixing components extending to its top and located on the left and right sides of the support pad. The guide groove is provided with an extension component extending to its bottom. The extension component is provided with a locking component that penetrates to its outer side and engages with the U-shaped pipe support.

[0007] The clamping and fixing assembly includes two movable blocks, which are movably installed inside the mounting slot. A vertical plate extending to the top of the movable block is fixedly installed on the top of the movable block. Clamping pads extending above the support pads are fixedly installed on the opposite sides of the two vertical plates. A threaded post extending to the top of the U-shaped pipe support is rotatably installed on the top of the movable block. A locking plate that fits against the top of the U-shaped pipe support is threaded on the outer side of the threaded post.

[0008] Preferably, the extension assembly includes an extension bracket, which is movably installed inside the guide groove and extends to its bottom. Guide blocks are fixedly installed on opposite sides of the two extension brackets, and connecting frames are fixedly installed on opposite sides of the two guide blocks.

[0009] Preferably, the engaging assembly includes a pin rod, which is movably installed inside the connecting frame and extends to its outer side. The pin rod extends through the bracket and engages with the U-shaped pipe bracket. A connecting plate located inside the connecting frame is fixedly installed on the outer side of the pin rod. A control ring is fixedly connected to one end of each of the two pin rods on opposite sides. A limit spring is fixedly installed between the connecting plate and the inner wall of the connecting frame.

[0010] Preferably, staggered embedding grooves are provided on the opposite sides of the two clamping pads, and a rotating disk is fixedly installed on the top of the threaded column.

[0011] Preferably, both the mounting groove and the guide groove are T-shaped structures, and the extension bracket is an L-shaped structure.

[0012] Preferably, the U-shaped pipe support has several insertion holes on both the left and right sides inside, which are adapted to the pin rod and are evenly distributed.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This nitrogen production unit exhaust pipe fixing device uses a rotating disc with a rotating threaded column to allow the movable block to slide along the mounting groove. This allows the vertical plate to move the clamping pad closer to or away from the nitrogen pipe, thus adapting to nitrogen pipes of different diameters. The staggered embedded groove design increases friction to prevent pipe displacement, effectively improving the applicability of the fixing device.

[0015] The nitrogen production unit's exhaust pipe fixing device uses an extension bracket that moves vertically within a guide groove. A limit spring, connected to a connecting plate, allows a pin to be inserted into the U-shaped pipe bracket's insertion hole for locking. A single operation only requires pulling the control ring to adjust the extension bracket's extension. The L-shaped extension bracket, combined with the guide block and T-shaped guide groove structure, allows the device to be height-adjusted according to usage requirements and adapts to uneven installation positions, thus improving the device's practicality. Attached Figure Description

[0016] Figure 1 A schematic diagram of the main structure of a nitrogen production device exhaust pipe fixing device provided by this utility model;

[0017] Figure 2 A three-dimensional view of the clamping and fixing component structure of a nitrogen production device exhaust pipe fixing device provided by this utility model;

[0018] Figure 3 A perspective view of the extension component structure of a nitrogen production device exhaust pipe fixing device provided by this utility model;

[0019] Figure 4 A three-dimensional view of the locking assembly structure of a nitrogen production device exhaust pipe fixing device provided by this utility model.

[0020] Legend: 1. U-shaped pipe support; 2. Mounting groove; 3. Guide groove; 4. Support pad; 5. Clamping and fixing assembly; 51. Movable block; 52. Vertical plate; 53. Clamping pad; 531. Embedded groove; 54. Threaded column; 541. Rotary disk; 55. Locking plate; 6. Extension assembly; 61. Extension bracket; 62. Guide block; 63. Connecting frame; 7. Engaging assembly; 71. Pin rod; 711. Insertion hole; 72. Connecting plate; 73. Control ring; 74. Limit spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0022] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] Example:

[0026] like Figure 1-4 As shown, this utility model provides a technical solution: a nitrogen production device exhaust pipe fixing device, including a U-shaped pipe support 1, an installation groove 2 is provided on the top of the U-shaped pipe support 1, and guide grooves 3 are provided on the left and right sides of the inner side of the U-shaped pipe support 1. The installation groove 2 and the guide groove 3 are both T-shaped structures. A support pad 4 is fixedly installed on the top of the U-shaped pipe support 1. The U-shaped pipe support 1 serves as the main support frame, and the support pad 4 is made of flexible rubber material to support the weight of the pipe and absorb vibration.

[0027] The mounting slot 2 is movably fitted with clamping and fixing components 5 extending to its top and located on the left and right sides of the support pad 4. The clamping and fixing components 5 include two movable blocks 51, which are movably installed inside the mounting slot 2. A vertical plate 52 extending to the top of the U-shaped pipe bracket 1 is fixedly installed on the top of the movable block 51. Clamping pads 53 extending to the top of the support pad 4 are fixedly installed on the opposite sides of the two vertical plates 52. The opposite sides of the two clamping pads 53 are provided with staggered embedding grooves 531. The top of the movable block 51 is rotatably fitted with an extension to the U-shaped pipe bracket. The top of the threaded post 54 has a rotating disk 541 fixedly installed on its top. The outer thread of the threaded post 54 has a locking plate 55 that fits against the top of the U-shaped pipe support 1. This nitrogen production device exhaust pipe fixing device rotates the threaded post 54 by setting the rotating disk 541 to rotate the moving block 51 to slide along the mounting groove 2, so that the vertical plate 52 drives the clamping pad 53 to move closer to or away from the nitrogen pipe, thereby adapting to nitrogen pipes of different diameters. The staggered embedded grooves 531 design increases the friction to prevent pipe displacement, effectively improving the applicability of the fixing device.

[0028] An extension component 6 extending to its bottom is movably installed inside the guide groove 3. The extension component 6 includes an extension bracket 61, which is movably installed inside the guide groove 3 and extends to its bottom. The extension bracket 61 has an L-shaped structure design. Guide blocks 62 are fixedly installed on opposite sides of the two extension brackets 61, and connecting frames 63 are fixedly installed on opposite sides of the two guide blocks 62. The extension bracket 61 is lowered to the support position along the T-shaped guide groove 3 through the guide blocks 62, so that the support height can be adjusted according to the needs.

[0029] An engaging component 7 is movably installed inside the extension component 6, extending to its outer side and engaging with the U-shaped pipe support 1. The engaging component 7 includes a pin 71, which is movably installed inside the connecting frame 63 and extends to its outer side. The pin 71 passes through the extension support 61 and engages with the U-shaped pipe support 1. Several insertion holes 711, adapted to the pin 71 and evenly distributed, are provided on both the left and right sides inside the U-shaped pipe support 1. The equidistant design of the insertion holes 711 accommodates different extension length requirements. A connecting plate 72 located inside the connecting frame 63 is fixedly installed on the outer side of the pin 71. A control ring 73 is fixedly connected to one end of each of the two pins 71 on opposite sides. The 73 facilitates the locking of the pin 71. A limit spring 74 is fixedly installed between the connecting plate 72 and the inner wall of the connecting frame 63. This nitrogen production device exhaust pipe fixing device allows the extension bracket 61 to rise and fall vertically within the guide groove 3. The limit spring 74, in cooperation with the connecting plate 72, allows the pin 71 to be inserted into the insertion hole 711 of the U-shaped pipe bracket 1 to complete the locking. A single operation only requires pulling the control ring 73 to complete the extension and retraction adjustment of the extension bracket 61. The L-shaped extension bracket 61 and the guide block 62, combined with the T-shaped guide groove 3 structure, allow the device to be height-adjusted according to usage requirements and also adapt to uneven installation positions, improving the practicality of the device.

[0030] The working process of this utility model:

[0031] Step 1: Place the nitrogen pipeline on the support pad 4. Rotate the threaded column 54 of the rotating disk 541 so that the movable block 51 can move towards each other along the installation groove 2. After the clamping pad 53 contacts the pipeline, it is pressed tightly. At this time, the locking plate 55 is pressed against the top of the U-shaped pipeline bracket 1 by rotating the threaded column 54 of the rotating disk 541 to form a bite lock, thereby completing the fixed installation of the nitrogen pipeline.

[0032] Step 2: The extension bracket 61 can be lowered to the support position along the guide groove 3. The pin rod 71 in the connecting frame 63 is inserted into the corresponding insertion hole 711 to complete the relative engagement and fixation of the extension bracket 61 and the U-shaped pipe bracket 1, so that the support height of the device can be adjusted.

[0033] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixing device for an exhaust pipe of a nitrogen production device, comprising a U-shaped pipe support (1), wherein the top of the U-shaped pipe support (1) is provided with an installation groove (2), and both the left and right sides of the inner side of the U-shaped pipe support (1) are provided with guide grooves (3), and the top of the U-shaped pipe support (1) is provided with a support pad (4), characterized in that: The mounting groove (2) is provided with clamping and fixing components (5) extending to its top and located on the left and right sides of the support pad (4). The guide groove (3) is provided with an extension component (6) extending to its bottom. The extension component (6) is provided with a locking component (7) penetrating to its outside and engaging with the U-shaped pipe bracket (1). The clamping and fixing assembly (5) includes two movable blocks (51) which are movably installed inside the mounting slot (2). A vertical plate (52) extending to the top of the U-shaped pipe support (1) is fixedly installed on the top of the movable block (51). A clamping pad (53) extending to the top of the support pad (4) is fixedly installed on the opposite sides of the two vertical plates (52). A threaded post (54) extending to the top of the U-shaped pipe support (1) is rotatably installed on the top of the movable block (51). A locking plate (55) that fits against the top of the U-shaped pipe support (1) is threaded on the outer side of the threaded post (54).

2. The nitrogen production device exhaust pipe fixing device according to claim 1, characterized in that: The extension assembly (6) includes an extension bracket (61), which is movably installed inside the guide groove (3) and extends to its bottom. Guide blocks (62) are fixedly installed on opposite sides of the two extension brackets (61), and connecting frames (63) are fixedly installed on opposite sides of the two guide blocks (62).

3. The nitrogen production device exhaust pipe fixing device according to claim 2, characterized in that: The engaging assembly (7) includes a pin (71), which is movably installed inside the connecting frame (63) and extends to its outer side. The pin (71) passes through the extension bracket (61) and engages with the U-shaped pipe bracket (1). A connecting plate (72) located inside the connecting frame (63) is fixedly installed on the outer side of the pin (71). A control ring (73) is fixedly connected to one end of each of the two pins (71) on opposite sides. A limit spring (74) is fixedly installed between the connecting plate (72) and the inner wall of the connecting frame (63).

4. The nitrogen production device exhaust pipe fixing device according to claim 1, characterized in that: The two clamping pads (53) are provided with staggered insertion grooves (531) on opposite sides, and a rotating disk (541) is fixedly installed on the top of the threaded column (54).

5. A nitrogen production device exhaust pipe fixing device according to claim 2, characterized in that: The mounting groove (2) and the guide groove (3) are both T-shaped structures, and the extension bracket (61) is an L-shaped structure.

6. The nitrogen production device exhaust pipe fixing device according to claim 3, characterized in that: The U-shaped pipe support (1) has several insertion holes (711) on both the left and right sides inside, which are adapted to the pin rod (71) and are evenly distributed.