Corrosion-resistant galvanized air pipe
By adding reinforcing plates and sleeves to the inner and outer sides of the galvanized air duct, and using fiberglass and asbestos cloth, the problems of deformation and corrosion of the galvanized air duct were solved, the structural stability and corrosion resistance were improved, the cost was reduced and the service life was increased.
Patent Information
- Application Number
- CN202520580782.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing galvanized air ducts are prone to deformation during use, have poor structural stability, and are not good at corrosion resistance, resulting in a shortened service life and high cost.
Reinforcing plates are added at the four corners of the inner and outer sides of the galvanized duct body, and No. 1 and No. 2 reinforcing sleeves are installed on the inner and outer sides respectively. Fiberglass material is used, and the inner side is filled with asbestos cloth. The connector and fixing head are detachable structures.
It improves the structural stability and corrosion resistance of galvanized air ducts, extends their service life, reduces material waste and costs, and makes installation convenient and parts replaceable.
Smart Images

Figure CN223725675U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wind pipe technical field, concretely is a kind of corrosion-resistant galvanized wind pipe. BACKGROUND
[0002] Galvanized wind pipe refers to the air supply, exhaust, smoke pipe for hotel, shopping mall, textile, chemical fiber, petrochemical industry, machinery manufacturing, instrument, electronics, pharmaceutical, tobacco, food, medical treatment, warehousing, office building and subway, civil defense, basement and other engineering. Its thickness and specification can be changed according to requirements, usually when connecting, the both ends of galvanized wind pipe are always connected to fittings.
[0003] According to retrieval, Chinese patent document, announcement number: CN214534879U, a kind of high-temperature-resistant galvanized wind pipe is disclosed, by heat-absorbing heat-conducting ring, the heat absorbed is conducted to the sealing plate by heat-conducting column and is cooled by heat dissipation fin, so the heat of galvanized wind pipe inner wall is guided out, and locking screw is screwed in the surface of side groove after penetrating the heat dissipation fin of edge thereof, so as to avoid the sealing plate from falling off from side groove, the high-temperature-resistant galvanized wind pipe proposed in the utility model is provided with through hole on the surface of heat-conducting ring, the flow rate of airflow in galvanized wind pipe is temporarily increased after passing through the through hole, the through hole is directed to the inner wall of galvanized wind pipe, so as to accelerate the airflow to wash off the dust adhered to the inner wall of galvanized wind pipe. However, in the process of use, galvanized wind pipe is prone to deformation, the structural stability is poor, which reduces the service life, and the cost is high, and the corrosion resistance is poor, which can cause the corrosion of the inside and outside of the wind pipe and reduce the service life. UTILITY MODEL CONTENTS
[0004] (I) technical problem solved
[0005] In view of the deficiencies in the prior art, the utility model provides a kind of corrosion-resistant galvanized wind pipe, with corrosion-resistant effect, improve service life, while structural stability, not prone to deformation, the advantages of simple structure and low cost, solve the above technical problems.
[0006] (II) technical scheme
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of corrosion-resistant galvanized wind pipe, including galvanized wind pipe body, the both ends of the galvanized wind pipe body are respectively fixedly installed with fixed head, the galvanized wind pipe body is fixedly installed with one reinforcing sleeve, the outer side of the galvanized wind pipe body is fixedly installed with two reinforcing sleeves, the galvanized wind pipe body and one reinforcing sleeve and two reinforcing sleeves are provided with filling layer, the outer side of the fixed head is fixedly installed with connecting head by bolt.
[0008] Preferably, the outer side and the inner side of the galvanized air pipe body are respectively fixedly provided with reinforcing plates, the reinforcing plates are L-shaped structures, and the reinforcing plates are respectively arranged in groups of four, and there are two groups in total.
[0009] Through the above technical scheme, since the reinforcing plates are arranged at the four corner positions of the inner side and the outer side of the zinc air pipe body, the rigidity of the galvanized air pipe body is improved, and deformation is avoided, thereby prolonging the service life and reducing the replacement cost.
[0010] Preferably, the side of the fixing head away from the galvanized air pipe body is provided with a fitting groove, and the outer side of the fixing head is provided with connecting holes.
[0011] Through the above technical scheme, during use, the fitting groove facilitates positioning and installation of the connecting head, improves installation convenience, and the connecting holes facilitate fixing of the connecting head after the bolts pass through.
[0012] Preferably, the first reinforcing sleeve and the second reinforcing sleeve are made of glass steel material, and the first reinforcing sleeve and the second reinforcing sleeve are rectangular structures, the first reinforcing sleeve is fixedly installed on the inner wall of the inner side reinforcing plate of the zinc air pipe body, and the second reinforcing sleeve is fixedly installed on the outer wall of the outer side reinforcing plate of the zinc air pipe body.
[0013] Through the above technical scheme, since the first reinforcing sleeve and the second reinforcing sleeve are made of glass steel material, according to the characteristics of the glass steel material, the rigidity and the high-temperature resistance and corrosion resistance of the galvanized air pipe body are improved, and the first reinforcing sleeve and the second reinforcing sleeve are respectively installed on the inner side and the outer side of the galvanized air pipe body, which facilitates internal and external protection and prolongs the service life.
[0014] Preferably, the cavity formed between the zinc air pipe body, the first reinforcing sleeve and the second reinforcing sleeve is a filling layer, and the inner side of the filling layer is provided with asbestos cloth.
[0015] Through the above technical scheme, since the inner sides of the two filling layers are filled with asbestos cloth, according to the characteristics of the asbestos cloth, the heat resistance, corrosion resistance, acid resistance, alkali resistance and heat insulation effect of the air pipe are improved, the overall structure is simple, and the cost is low.
[0016] Preferably, the side of the connecting head close to the fixing head is fixedly provided with a clamping sleeve, the outer side of the clamping sleeve is provided with a threaded hole, the side of the connecting head away from the fixing head is provided with a mounting hole, and the four corner positions of the side of the connecting head close to the fixing head are respectively fixedly provided with limiting plates.
[0017] Through the technical scheme, in the process of use, the connecting head and the fixed head are detachable structure, convenient for dismounting and assembling, and the limiting plate on the side of the connecting head is beneficial to limiting and reinforcing the outer corner of the second reinforcing sleeve, improves the structural stability, and when installing, the sleeve is clamped with the matching groove, and then the bolt is used for connecting and fixing, so that the dismounting is convenient and fast, even if the connecting head is damaged, the replacement is convenient, and material waste caused by overall replacement is avoided.
[0018] Compared with the prior art, the zinc-plated air pipe provided by the utility model has the following advantages
[0019] Beneficial effects:
[0020] 1、 the reinforcing plate is arranged at the four corner positions of the inner side and the outer side of the zinc air pipe body, and the first reinforcing sleeve and the second reinforcing sleeve are fixedly installed on the inner side and the outer side of the zinc air pipe body, so that the stability and the protection of the overall structure are improved, deformation is avoided, the first reinforcing sleeve and the second reinforcing sleeve are made of glass fiber reinforced plastic material, the overall firmness and the high-temperature resistance and corrosion resistance of the air pipe are improved according to the characteristics of the glass fiber reinforced plastic material, the asbestos cloth is filled in the filling layer, and the heat resistance, corrosion resistance, acid resistance, alkali resistance and heat insulation effect are further improved, the overall structure is simple, and the cost is low.
[0021] 2、 in the process of use, the connecting head and the fixed head are detachable structure, convenient for dismounting and assembling, and the limiting plate on the side of the connecting head is beneficial to limiting and reinforcing the outer corner of the second reinforcing sleeve, improves the structural stability, and when installing, the sleeve is clamped with the matching groove, and then the bolt is used for connecting and fixing, so that the dismounting is convenient and fast, even if the connecting head is damaged, the replacement is convenient, and material waste caused by overall replacement is avoided. DRAWINGS
[0022] Figure 1 It is the overall three-dimensional structure schematic diagram of the utility model;
[0023] Figure 2 It is the front view cross section structure schematic diagram of the utility model;
[0024] Figure 3 It is the connecting three-dimensional structure schematic diagram of the zinc air pipe body and the fixed head of the utility model;
[0025] Figure 4 It is the three-dimensional structure schematic diagram of the connecting head of the utility model.
[0026] The components are: 1. Zinc duct body; 2. Fixing head; 3. First reinforcing sleeve; 4. Filling layer; 5. Second reinforcing sleeve; 6. Connecting head; 101. Reinforcing plate; 201. Fitting groove; 202. Connecting hole; 601. Compression sleeve; 602. Threaded hole; 603. Mounting hole; 604. Limiting plate. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Example 1:
[0029] like Figures 1-4 As shown, the present invention provides a corrosion-resistant galvanized air duct, including a galvanized air duct body 1, with fixing heads 2 fixedly installed at both ends of the galvanized air duct body 1, a first reinforcing sleeve 3 fixedly installed on the galvanized air duct body 1, a second reinforcing sleeve 5 fixedly installed on the outside of the galvanized air duct body 1, a filling layer 4 provided between the galvanized air duct body 1 and the first and second reinforcing sleeves 3 and 5, and a connector 6 fixedly installed on the outside of the fixing head 2 by bolts.
[0030] Specifically, reinforcing plates 101 are fixedly installed on the outer and inner sides of the galvanized duct body 1. The reinforcing plates 101 are L-shaped, and there are two sets of four reinforcing plates 101. The reinforcing plates 101 are fixedly installed at the four corners of the outer and inner sides of the galvanized duct body 1. The advantage is that by adding reinforcing plates 101 at the four corners of the inner and outer sides of the galvanized duct body 1, the robustness of the galvanized duct body 1 is improved, thereby avoiding deformation, increasing service life and reducing the cost of repeated replacement.
[0031] Specifically, the fixing head 2 has a mating groove 201 on the side away from the galvanized duct body 1, and connecting holes 202 are provided on the outer side of the fixing head 2. The connecting holes 202 are arranged in groups of four, for a total of two groups. The advantage is that the mating groove 201 facilitates positioning and installation of the connector 6, improving installation convenience, and the connecting holes 202 facilitate the bolts to pass through and fix the connector 6.
[0032] Specifically, the first reinforcing sleeve 3 and the second reinforcing sleeve 5 are made of glass fiber reinforced plastic, and the first reinforcing sleeve 3 and the second reinforcing sleeve 5 are in a rectangular structure, the first reinforcing sleeve 3 is fixedly installed on the inner wall of the inner reinforcing plate 101 of the zinc air pipe body 1, and the second reinforcing sleeve 5 is fixedly installed on the outer wall of the outer reinforcing plate 101 of the zinc air pipe body 1. The advantage is that the first reinforcing sleeve 3 and the second reinforcing sleeve 5 are made of glass fiber reinforced plastic, according to the characteristics of glass fiber reinforced plastic, the overall firmness and high temperature resistance and corrosion resistance of the zinc air pipe body 1 are improved, and the first reinforcing sleeve 3 and the second reinforcing sleeve 5 are respectively installed on the inner and outer sides of the zinc air pipe body 1, which is beneficial to the internal and external protection and improves the service life.
[0033] Example two:
[0034] As shown in Figures 1-4 , as an improvement to the previous embodiment. Specifically, the cavity formed between the zinc air pipe body 1 and the first reinforcing sleeve 3 and the second reinforcing sleeve 5 is the filling layer 4, and the inner side of the filling layer 4 is provided with asbestos cloth. The advantage is that the inner side of the two filling layers 4 is filled with asbestos cloth, according to the characteristics of asbestos cloth, the overall heat resistance, corrosion resistance, acid resistance, alkali resistance and heat insulation effect of the air pipe is improved, the overall structure is simple, and the cost is low.
[0035] Specifically, the connecting head 6 is fixedly installed with a clamping sleeve 601 on the side close to the fixed head 2, the outer side of the clamping sleeve 601 is provided with a threaded hole 602, the connecting head 6 is provided with a mounting hole 603 on the side away from the fixed head 2, and the connecting head 6 is fixedly installed with a limiting plate 604 on the four corners of the side close to the fixed head 2. The advantage is that the connecting head 6 and the fixed head 2 are detachable structure, which is convenient for disassembly and combination connection, and the limiting plate 604 on one side of the connecting head 6 is beneficial to the limiting and reinforcing of the outer corner of the second reinforcing sleeve 5, which improves the structural stability, and when installing, the clamping sleeve 601 is clamped with the matching groove 201, and then connected and fixed by using bolts, which is convenient and fast. Even if the connecting head 6 is damaged, it can be replaced conveniently, avoiding material waste caused by overall replacement.
[0036] In use, the reinforcing plates 101 arranged at the four corner positions of the inner side and the outer side of the zinc air pipe body 1, and the first reinforcing sleeve 3 and the second reinforcing sleeve 5 fixedly installed on the inner side and the outer side of the zinc air pipe body 1, can improve the stability and protection of the overall structure, avoid deformation, and improve the overall firmness and high-temperature resistance and corrosion resistance of the air pipe due to the glass fiber reinforced plastic material of the first reinforcing sleeve 3 and the second reinforcing sleeve 5. The side filling of the filler layer 4 with asbestos cloth further improves the heat resistance, corrosion resistance, acid resistance, alkali resistance, and thermal insulation effect. The overall structure is simple, the cost is low, the connecting head 6 and the fixed head 2 are detachable in use, which facilitates disassembly, assembly, and combination connection. The limiting plate 604 on one side of the connecting head 6 can limit and reinforce the outer corner of the second reinforcing sleeve 5, improve the structural stability, and can be connected and fixed by bolts after the clamping sleeve 601 is clamped with the matching groove 201, which is convenient and fast. Even if the connecting head 6 is damaged, it can be replaced conveniently, avoiding material waste caused by overall replacement.
[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A corrosion resistant galvanized air duct comprising a galvanized air duct body (1), characterized in that: The galvanized air pipe body (1) is respectively fixedly installed with a fixed head (2) at both ends, the galvanized air pipe body (1) is fixedly installed with a first reinforcing sleeve (3), the outer side of the galvanized air pipe body (1) is fixedly installed with a second reinforcing sleeve (5), the galvanized air pipe body (1) and the first reinforcing sleeve (3) and the second reinforcing sleeve (5) are provided with a filling layer (4), and the outer side of the fixed head (2) is fixedly installed with a connecting head (6) through bolts.
2. A corrosion resistant, galvanized air duct as defined in claim 1, wherein: The outer side and the inner side of the galvanized air pipe body (1) are respectively fixedly installed with reinforcing plates (101), the reinforcing plates (101) are L-shaped structures, and the reinforcing plates (101) are respectively arranged in four groups, and two groups are arranged in total, and the reinforcing plates (101) are respectively fixedly installed at the four corner positions of the outer side and the inner side of the galvanized air pipe body (1).
3. A corrosion resistant, galvanized air duct as defined in claim 1, wherein: The fixed head (2) is provided with a matching groove (201) away from the galvanized air pipe body (1), and the outer side of the fixed head (2) is provided with a connecting hole (202).
4. A corrosion resistant, galvanized air duct in accordance with claim 1, wherein: The first reinforcing sleeve (3) and the second reinforcing sleeve (5) are made of glass steel material, and the first reinforcing sleeve (3) and the second reinforcing sleeve (5) are rectangular structures, the first reinforcing sleeve (3) is fixedly installed on the inner wall of the reinforcing plate (101) on the inner side of the zinc air pipe body (1), and the second reinforcing sleeve (5) is fixedly installed on the outer wall of the reinforcing plate (101) on the outer side of the zinc air pipe body (1).
5. A corrosion resistant, galvanized air duct in accordance with claim 1, wherein: The cavity formed between the zinc air pipe body (1) and the first reinforcing sleeve (3) and the second reinforcing sleeve (5) is a filling layer (4), and the inner side of the filling layer (4) is provided with asbestos cloth.
6. A corrosion resistant, galvanized air duct in accordance with claim 1, wherein: The connecting head (6) is fixedly installed with a clamping sleeve (601) on the side close to the fixed head (2), the outer side of the clamping sleeve (601) is provided with a threaded hole (602), the connecting head (6) is provided with a mounting hole (603) on the side away from the fixed head (2), and the connecting head (6) is respectively fixedly installed with a limiting plate (604) at the four corner positions on the side close to the fixed head (2).
Citation Information
Patent Citations
High-temperature-resistant galvanized air pipe
CN214534879U