Fireproof air pipe with reinforcing mechanism

By utilizing the combined action of springs and dampers in the inner tube design, the problem of deformation or rupture of fire-resistant ducts under high-pressure airflow is solved, enhancing the stability and safety of the ducts.

CN223855066UActive Publication Date: 2026-01-30AOTESON TECH GRP CO LTD
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Patent Information

Application Number
CN202520760504.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-01-30
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

Existing fire-resistant ducts lack pressure buffering mechanisms when transporting high-temperature gases or flue gas, which may cause them to deform or rupture under instantaneous high-pressure airflow, affecting their use and safety.

Method used

The design employs an internal tube, with the upper and lower cover plates connected by springs and dampers. When the silicone hose expands, the springs and dampers absorb pressure energy, slowing down the expansion speed, dispersing pressure, and enhancing structural stability.

Benefits of technology

It effectively disperses pressure, avoids excessive local stress on the duct, improves the safety and reliability of the duct, and prevents deformation or breakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fire-resistant air pipe with a reinforcing mechanism, which comprises an outer protective pipe, eight springs are fixedly connected to the inner surface of the outer protective pipe, eight dampers are fixedly connected to the inner surface of the outer protective pipe, the other ends of the springs and the dampers are fixedly connected with an inner pipe, and the inner pipe comprises an upper cover plate and a lower cover plate. The upper cover plate is fixedly connected to the lower ends of the four springs and the four dampers, the lower cover plate is fixedly connected to the other four springs, the upper ends of the other four dampers, the upper cover plate and the lower cover plate are movably connected, a sliding plate is fixedly connected to the lower surface of the upper cover plate, a sliding groove is formed in the lower cover plate, and the sliding plate is connected into the sliding groove in a sliding mode. The inner surface of the outer protective pipe is fixedly connected with eight fixing plates, through the components, the stability of the overall structure of the air pipe can be enhanced, the interior of the air pipe can bear larger pressure, the situation that the air pipe is broken due to instant increase of the pressure is avoided, and the safety and reliability of the air pipe are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a fire -resistant air pipe with reinforcing mechanism. BACKGROUND

[0002] The existing fire -resistant air pipe is mainly used in some high -temperature industrial production environment, such as steel plant, glass factory, cement plant etc., for conveying high -temperature gas or flue gas, such as the fire -resistant air pipe disclosed in Chinese patent, its application number is " 202322188492.9 ", this equipment, including installation support part, two erecting auxiliary parts are fixedly connected on installation support part;The isolation cleaning piece is fixedly connected on the installation support part;The cleaning brush rubbing piece is fixedly connected on the isolation cleaning piece;The cleaning brush rubbing piece is pasted in the inside of installation support part;The equipment can assist in cleaning work, and the operator is simple and convenient, guarantees daily maintenance convenience, adopts installation support part and can guarantee the fire -proof effect of whole pipeline.

[0003] But in its use, the air pipe lacks the mechanism of pressure buffering, when conveying high -temperature gas or flue gas, if pressure changes suddenly, such as the instantaneous high -pressure airflow generated when the converter of steel plant is tapping, the air pipe can not effectively disperse and buffer pressure, and the local stress is too large, so that the deformation or even rupture condition appears, influence the normal use and safety of air pipe. UTILITY MODEL CONTENT

[0004] The utility model discloses a fire -resistant air pipe with reinforcing mechanism.

[0005] The utility model solves the technical problem that the existing air pipe lacks the mechanism of pressure buffering, when conveying high -temperature gas or flue gas, if pressure changes suddenly, such as the instantaneous high -pressure airflow generated when the converter of steel plant is tapping, the air pipe can not effectively disperse and buffer pressure, and the local stress is too large, so that the deformation or even rupture condition appears, influence the normal use and safety of air pipe.

[0006] The utility model discloses can realize through following technical scheme: including, the outer protective tube, eight springs are fixedly connected with the inner surface of outer protective tube, eight dampers are fixedly connected with the inner surface of outer protective tube, the other end of spring, damper is fixedly connected with the inner tube, the inner tube includes: upper cover plate, lower cover plate, the upper cover plate is fixedly connected at its four spring, its four damper's lower end, the lower cover plate is fixedly connected at another four spring, another four damper's upper end, the upper cover plate, lower cover plate swing joint, the lower surface of upper cover plate is fixedly connected with sliding plate, be provided with the sliding slot on the lower cover plate, the sliding plate is slidably connected in the inside of sliding slot, the inner surface of outer protective tube is fixedly connected with eight fixed plates, and fixedly connected with the connecting head between every four fixed plates, the silica gel hose is fixedly connected in the inner wall of inner tube between two connecting heads.

[0007] The utility model discloses further technical improvement lies in: one connecting head is provided with the slot, and the front surface of another connecting head is fixedly connected with the bolt, and the bolt and the slot gap cooperate.

[0008] The utility model discloses further technical improvement lies in: the both ends of outer protective tube are fixedly connected with the connecting plate, and the connecting plate is provided with the fixed hole.

[0009] The utility model discloses further technical improvement lies in: the outer wall of outer protective tube is fixedly connected with two thimbles, and two thimbles are symmetrically arranged.

[0010] The utility model discloses further technical improvement lies in: the upper surface of two thimbles is fixedly connected with the support rod, and the upper end of support rod is fixedly connected with the mounting plate.

[0011] The utility model discloses further technical improvement lies in: the lower surface of outer protective tube is fixedly connected with the lamp holder, and the lower surface of lamp holder is fixedly connected with the light supplementing lamp.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1, set up the inner tube into two sections of upper and lower when the silica gel hose inside pressure effect will expand prop up the upper cover plate and lower cover plate, the upper cover plate and lower cover plate expand extrude spring and damper through the sliding slot, sliding plate, spring can absorb pressure energy and produce elastic deformation, and damper consumes energy, slows down the expansion speed of air pipe, this process will make pressure dispersion buffer, avoid the situation of single point stress too big, this dispersion load mode will enhance the stability of air pipe overall structure, make inside can bear greater pressure, avoid the air pipe and break because of pressure instantaneous increase, improve the safety and reliability of air pipe. ACCURACY OF DRAWINGS

[0014] For the convenience of those skilled in the art to understand, the utility model will be further described below with reference to the drawings.

[0015] Figure 1 It is the front view structure schematic drawing of the utility model;

[0016] Figure 2 It is the right view section structure schematic drawing of the utility model;

[0017] Figure 3 It is the front view section structure schematic drawing of the utility model;

[0018] Figure 4 It is the bottom view structure schematic drawing of the utility model.

[0019] In the drawing: 1, fixed hole; 2, connecting plate; 3, connecting head; 4, fixed plate; 5, bolt; 6, mounting plate; 7, support rod; 8, collar; 9, outer protective tube; 10, spring; 11, damper; 12, silica gel hose; 13, slot; 14, upper cover plate; 15, sliding plate; 16, sliding slot; 17, lower cover plate; 18, inner tube; 19, lamp holder; 20, light supplement lamp. DETAILED DESCRIPTION

[0020] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0021] Please refer to Figures 1-4 As shown in the figure, it comprises: outer protective tube 9, both ends of outer protective tube 9 are fixedly connected with connecting plate 2, connecting plate 2 is provided with fixed hole 1, the outer wall of outer protective tube 9 is fixedly connected with two collars 8, the two collars 8 are symmetrically arranged, the upper surfaces of the two collars 8 are fixedly connected with support rod 7, the upper end of support rod 7 is fixedly connected with mounting plate 6, the lower surface of outer protective tube 9 is fixedly connected with lamp holder 19, the lower surface of lamp holder 19 is fixedly connected with light supplement lamp 20.

[0022] Specifically: the connecting plate 2 at both ends of outer protective tube 9 can be fixed between adjacent outer protective tubes 9 through fixed hole 1 to realize positioning, the two collars 8 symmetrically arranged on the outer wall of outer protective tube 9, the support rod 7 on collar 8 and the mounting plate 6 at the upper end can be connected with the surrounding support structure, support the air pipe, strengthen the fixing effect of the air pipe and improve the overall stability.

[0023] The inner surface of the outer protective pipe 9 is fixedly connected with eight springs 10, and the inner surface of the outer protective pipe 9 is fixedly connected with eight dampers 11, and the other end of the spring 10 and the damper 11 is fixedly connected with an inner pipe 18, and the inner pipe 18 comprises: an upper cover plate 14, a lower cover plate 17, the upper cover plate 14 is fixedly connected with the lower end of the four springs 10 and the four dampers 11, the lower cover plate 17 is fixedly connected with the upper end of the other four springs 10 and the other four dampers 11, the upper cover plate 14 and the lower cover plate 17 are movably connected, the lower surface of the upper cover plate 14 is fixedly connected with a sliding plate 15, the lower cover plate 17 is provided with a sliding groove 16, and the sliding plate 15 is slidably connected in the inner surface of the sliding groove 16, and the inner surface of the outer protective pipe 9 is fixedly connected with eight fixed plates 4, every four fixed plates 4 are fixedly connected with a connecting head 3, the two connecting heads 3 are fixedly connected with a silica gel hose 12, and the silica gel hose 12 is fixedly connected to the inner wall of the inner pipe 18.

[0024] Specifically: when the silica gel hose 12 transports high-temperature gas or flue gas, and the internal pressure increases, the silica gel hose 12 expands outward due to the internal gas pressure, and generates an outward supporting force on the inner pipe 18, and the upper cover plate 14 and the lower cover plate 17 slide relative to each other under the expansion force of the silica gel hose 12 through the cooperation of the sliding groove 16 and the sliding plate 15, and in this process, the four springs 10 and dampers 11 connected with the upper cover plate 14 and the other four springs 10 and dampers 11 connected with the lower cover plate 17 begin to play a role, the spring 10 absorbs the pressure energy brought by the expansion of the silica gel hose 12 by virtue of the elasticity and generates elastic deformation; the damper 11 effectively slows down the expansion speed of the inner pipe 18 by consuming energy, which not only disperses and buffers the pressure and avoids damage to the inner pipe 18 due to excessive local pressure, but also greatly enhances the stability of the overall structure of the air pipe through the synergistic effect of the spring and the damper, and achieves the purpose of reinforcement.

[0025] One of the connecting heads 3 is provided with a slot 13, and the other connecting head 3 is fixedly connected with a latch 5 on the front surface, and the latch 5 and the slot 13 are gap-fitted.

[0026] Specifically: the two connecting heads 3 are connected by means of the gap-fitting of the latch 5 and the slot 13, and this design makes the installation and disassembly of the air pipe convenient.

[0027] The utility model discloses when using, when silica gel hose 12 transports high temperature gas or flue gas, and internal pressure increases, silica gel hose 12 expands to the outside because of internal air pressure, and the bracing force that produces to the outside to inner tube 18, upper cover plate 14 and lower cover plate 17, under the action of silica gel hose 12 expansion force, through the cooperation of sliding slot 16 and sliding plate 15, relatively slide, in this process, four springs 10, damper 11 that are connected with upper cover plate 14 and another four springs 10, damper 11 that are connected with lower cover plate 17 start to play a role, and spring 10 absorbs the pressure energy that silica gel hose 12 expands by virtue of elasticity, and generates elastic deformation, and damper 11 effectively slows down the expansion speed of inner tube 18 through energy consumption, this not only disperses the pressure and buffers, avoids the damage of inner tube 18 because of local pressure too big, still through the synergies of spring and damper, greatly enhance the stability of the overall structure of air pipe, reach the reinforcement purpose.

[0028] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferred embodiment, however, is not used to limit the utility model, any person skilled in the art, within the scope of the utility model technical scheme, can make a little more change or modification as equivalent embodiment of equivalent change with the above disclosed technical content, but as long as not departing from the utility model technical scheme content, according to the technical essence of the utility model, any simple modification, equivalent change and modification of the above embodiment, still belongs to the scope of the utility model technical scheme.

Claims

1. A refractory windpipe with a reinforcing mechanism, characterized by: The utility model relates to a kind of light emitting diode (LED) lamp, including, Outer sheath (9), the inner surface of outer sheath (9) is fixedly connected with eight springs (10), the inner surface of outer sheath (9) is fixedly connected with eight dampers (11), the other end of spring (10), damper (11) is fixedly connected with inner tube (18), and inner tube (18) includes: upper cover plate (14), lower cover plate (17), upper cover plate (14) is fixedly connected in its four spring (10), the lower end of its four damper (11), and lower cover plate (17) is fixedly connected in another four spring (10), the upper end of another four damper (11); Upper cover plate (14), lower cover plate (17) are movably connected, the lower surface of upper cover plate (14) is fixedly connected with sliding plate (15), sliding groove (16) is arranged on lower cover plate (17), and sliding plate (15) is slidably connected in the inside of sliding groove (16), the inner surface of outer sheath (9) is fixedly connected with eight fixed plates (4), and every four fixed plate (4) is fixedly connected with connecting head (3), and two connecting heads (3) are fixedly connected with silica gel hose (12), and silica gel hose (12) is fixedly connected in the inner wall of inner tube (18).

2. A fire resistant duct with reinforcement means according to claim 1, characterised in that, One connecting head (3) is provided with slot (13), and the front surface of another connecting head (3) is fixedly connected with latch (5), and latch (5) and slot (13) are gap matched.

3. A fire resistant duct with reinforcing means according to claim 1, characterised in that, The both ends of outer sheath (9) are fixedly connected with connecting plate (2), and connecting plate (2) is provided with fixed hole (1).

4. A fire resistant duct with reinforcing means according to claim 1, characterised in that, The outer wall of outer sheath (9) is fixedly connected with two collars (8), and two collars (8) are symmetrically arranged.

5. A refractory wind pipe with reinforcing means according to claim 4, characterised in that, The upper surface of two collars (8) is fixedly connected with support rod (7), and the upper end of support rod (7) is fixedly connected with mounting plate (6).

6. A fire resistant duct with reinforcing means according to claim 1, characterised in that, The lower surface of outer sheath (9) is fixedly connected with lamp holder (19), and the lower surface of lamp holder (19) is fixedly connected with light supplementing lamp (20).

Citation Information

Patent Citations

  • Fireproof air pipe

    CN220541329U