Air pipe support structure of central air conditioner

By designing a central air conditioning duct support structure including a cross bar, an adjustment arm and a flange, the problem of the duct support of the prior art is easily corroded, and the sealing protection of the screw and the beautification protection of the expansion bolts are realized.

CN222849451UActive Publication Date: 2025-05-09ZHONGJING ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421812735.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-09
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

During the installation process, the existing central air conditioning duct support is usually fixed by a simple boom, which makes the exposed boom easily corroded due to the demand from the air duct to the top of the floor.

Method used

A central air conditioner duct support structure is designed, including a cross bar and an adjustment arm. The cross bar is fixedly connected to the adjustment arm by screws, and the adjustment arm is vertically connected to the flange, and the flange is fixed to the top of the indoor by expansion bolts. The outer surface of the adjustment arm is slidably connected with a decorative sleeve, which is connected to the flange by adsorption of the magnet to protect the expansion bolts and beautify the connection.

Benefits of technology

The closed protection of the screw in the adjustment arm is achieved to avoid corrosion caused by accidental contact with liquid, and at the same time, the expansion bolt is blocked through the decorative sleeve to protect it from contact with the external environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air pipe support structure of a central air conditioner, which comprises a cross rod and an adjusting arm, and two ends of the cross rod are fixedly connected to one end of the adjusting arm through screws. The other end of the adjusting arm is vertically connected to the end face of a flange which is provided with a bolt hole and fixedly connected to the indoor top through an expansion bolt. According to the further scheme, a decorative sleeve is connected to the outer surface of the adjusting arm in a sliding mode, a magnet is arranged at the end, facing the flange plate, of the decorative sleeve in an embedded mode, and the decorative sleeve is connected to the flange plate through the magnet in an attracted mode. Sealing protection of the screw rod in the adjusting arm can be achieved, and corrosion caused by accidental contact with liquid is avoided. In addition, the expansion bolt at the connecting position is shielded and beautified through the decorative sleeve, the expansion bolt can be protected, and the expansion bolt is prevented from making contact with the external environment.
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Description

Technical Field

[0001] The utility model relates to a bracket structure, in particular to an air duct bracket structure of a central air conditioner. Background Art

[0002] Central air conditioning is a device that controls different rooms by connecting multiple terminal devices through air ducts or refrigerant pipes to achieve the purpose of indoor air conditioning. With the air duct air supply method, one host can control multiple different rooms and introduce fresh air to prevent the occurrence of air conditioning disease. Most of the air ducts are fixed to the top of the floor with multiple sets of fixing frames, and there will be different heights required from the air duct to the top of the floor during installation. At present, it is mainly fixed by simple hanging rods, and the exposed hanging rods may be corroded. Utility Model Content

[0003] The purpose of the utility model is to provide an air duct support structure of a central air conditioner to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A duct support structure for a central air conditioner comprises a cross bar and an adjusting arm, wherein both ends of the cross bar are fixedly connected to one end of the adjusting arm by screws; the other end of the adjusting arm is vertically connected to the end face of a flange plate, bolt holes are provided on the flange plate, and the flange plate is fixedly connected to the indoor ceiling by expansion bolts.

[0006] As a further solution of the utility model: a decorative sleeve is slidably connected to the outer surface of the regulating arm, a magnet is embedded in one end of the decorative sleeve facing the flange, and the decorative sleeve is adsorbed and connected to the flange by the magnet.

[0007] As a further solution of the utility model: the flange is made of ferromagnetic metal and a zinc-plated layer is provided on the surface.

[0008] As a further solution of the utility model: the adjusting arm includes an internal threaded sleeve, a screw, an outer sleeve and an inner sleeve, one end of the outer sleeve is sealed and fixedly connected to the lower end surface of the flange, the interior of the outer sleeve is slidably connected to the inner sleeve, and one end of the inner sleeve is arranged through the other end of the outer sleeve; the surface of the inner sleeve is fixedly connected to the end of the cross bar near its one end by a screw; a threaded sleeve is arranged in the inner sleeve, one end of the threaded sleeve is vertically connected to one end of the outer sleeve, the inner thread of the threaded sleeve is connected to a screw, and the outer surface of one end of the screw is rotatably connected to one end of the inner sleeve through a bearing.

[0009] As a further solution of the utility model: a hexagonal hole is provided on the end surface of one end of the screw.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model can realize the closed protection of the screw in the adjusting arm to avoid corrosion caused by accidental contact with liquid. In addition, the utility model can also protect the expansion bolts from contact with the external environment by shielding and beautifying the expansion bolts at the connection through the decorative sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a structural schematic diagram of the air duct support structure of the central air conditioner.

[0012] Figure 2 This is a structural schematic diagram of the adjustment arm in the air duct support structure of the central air conditioner. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] See also Figures 1-2 In an embodiment of the utility model, a duct support structure of a central air conditioner includes a cross bar and an adjusting arm 2, wherein both ends of the cross bar are fixedly connected to one end of the adjusting arm 2 by screws; the other end of the adjusting arm 2 is vertically connected to the end face of a flange 4, a bolt hole is provided on the flange 4, and the flange 4 is fixedly connected to the indoor ceiling by expansion bolts.

[0015] The outer surface of the adjusting arm 2 is slidably connected with a decorative sleeve 7, and a magnet 8 is embedded in the end of the decorative sleeve 7 facing the flange 4. The decorative sleeve 7 is adsorbed and connected to the flange 4 by the magnet 8, so as to cover the expansion bolts and beautify and protect the connection. The flange 4 is made of ferromagnetic metal and a galvanized layer is provided on the surface. A rubber ring is provided at the position where the decorative sleeve 7 contacts the outside of the adjusting arm 2, and a rubber layer is also bonded to the top end surface of the decorative sleeve 7 to ensure sealing. During installation, the decorative sleeve 7 can be manually slid downward to expose the flange 4 for work; after the expansion bolts are connected, the decorative sleeve 7 can be manually slid upward to adsorb the magnet 8 to the flange 4. Subsequent adjustment of the adjusting arm 2 will not affect the decorative sleeve 7.

[0016] The adjusting arm 2 comprises an internal threaded sleeve 3, a screw rod 6, an outer sleeve 9, an inner sleeve 10 and a hexagonal hole 11. One end of the outer sleeve 9 is sealed and fixedly connected to the lower end surface of the flange 4. The inner sleeve 10 is slidably connected to the inner sleeve 10 inside the outer sleeve 9, and one end of the inner sleeve 10 is arranged through the other end of the outer sleeve 9. The surface of the inner sleeve 10 is fixedly connected to the end of the cross bar by a screw near one end thereof.

[0017] A threaded sleeve 3 is arranged in the inner sleeve 10, one end of the threaded sleeve 3 is vertically connected to one end of the outer sleeve 9, a screw rod 6 is connected to the inner thread of the threaded sleeve 3, and the outer surface of one end of the screw rod 6 is rotatably connected to one end of the inner sleeve 10 through a bearing; a hexagonal hole 11 is provided on the end face of one end of the screw rod 6, and the hexagonal screwdriver bit can be driven by an electric tool to realize rapid coarse adjustment of the adjustment arm 2; the height adjustment is realized to facilitate installation when the top has different heights.

[0018] The above-mentioned adjusting arm 2 can select adjusting arms with different basic lengths and different adjustment ranges according to the height range. This utility only proposes an adjustable basic structure technology.

[0019] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A duct support structure for a central air conditioner, comprising a crossbar and an adjustment arm (2), characterized in that: The two ends of the crossbar are fixedly connected to one end of the adjusting arm (2) by means of screws; the other end of the adjusting arm (2) is vertically connected to the end surface of the flange (4); bolt holes are provided on the flange (4); and the flange (4) is fixedly connected to the indoor ceiling by means of expansion bolts.

2. The air duct support structure of the central air conditioner according to claim 1, characterized in that: The outer surface of the regulating arm (2) is slidably connected with a decorative sleeve (7), and a magnet (8) is embedded in one end of the decorative sleeve (7) facing the flange (4), and the decorative sleeve (7) is adsorbed and connected to the flange (4) by the magnet (8).

3. The air duct support structure of the central air conditioner according to claim 1 or 2, characterized in that: The flange (4) is made of ferromagnetic metal and has a zinc-plated layer on its surface.

4. The air duct support structure of the central air conditioner according to claim 3, characterized in that: The adjusting arm (2) comprises an internal threaded sleeve (3), a screw (6), an outer sleeve (9) and an inner sleeve (10); one end of the outer sleeve (9) is sealed and fixedly connected to the lower end surface of the flange (4); the inner sleeve (10) is slidably connected to the inner sleeve (10) inside the outer sleeve (9); and one end of the inner sleeve (10) is arranged through the other end of the outer sleeve (9); the surface of the inner sleeve (10) is fixedly connected to the end of the cross bar by screws near one end thereof; a threaded sleeve (3) is arranged inside the inner sleeve (10); one end of the threaded sleeve (3) is vertically connected to one end of the outer sleeve (9); the threaded sleeve (3) is internally threadedly connected to the screw (6); the outer surface of one end of the screw (6) is rotatably connected to one end of the inner sleeve (10) through a bearing.

5. The air duct support structure of the central air conditioner according to claim 4, characterized in that: A hexagonal hole (11) is provided on the end surface of one end of the screw rod (6).