Air outlet channel hoisting structure for central air conditioner

By combining the chute and baffle structure with the design of the two-way screw and connecting rod, the problem of time-consuming installation and maintenance of central air conditioning ventilation ducts is solved, enabling convenient installation and quick dismantling, improving maintenance efficiency and reducing noise.

CN224120786UActive Publication Date: 2026-04-14ZHENGZHOU YUJIAN MECHANICAL & ELECTRICAL ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-06
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The installation and maintenance of central air conditioning ventilation ducts require the removal of multiple bolts and steel plates, resulting in a long operation time.

Method used

The system employs a combination of sliding grooves and baffles, with quick fixing and support achieved by inserting locking blocks into the fixing plate. Position adjustment is achieved using a two-way lead screw and connecting rod, and magnets and spring telescopic rods are used to improve fixing stability. Sound-absorbing foam is placed inside the ventilation duct to reduce vibration noise.

Benefits of technology

It enables convenient installation and quick dismantling of ventilation ducts, improves maintenance efficiency, enhances stability, and reduces noise transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of ventilation pipelines, and particularly relates to an air outlet channel hoisting structure for a central air conditioner, which comprises a pair of mounting plates, and lifting components are arranged in the mounting plates; the bottom of the lifting assembly is rotationally connected with a fixing plate. A sliding groove is formed in the inner wall of the fixing plate. The end of the sliding groove is slidably connected with a baffle. A clamping block is arranged in the sliding groove in a sliding fit mode. The bottom of the clamping block is fixedly connected with a ventilation pipeline body. The sliding groove is in a T shape. Through cooperation of the sliding grooves and the baffles, the clamping blocks can be quickly fixed through the baffles after being inserted into the fixing plates, and meanwhile, the T-shaped sliding grooves can be automatically supported after being inserted, so that the ventilation pipeline body is more convenient and faster to mount; and meanwhile, when the ventilation pipeline body is overhauled, the ventilation pipeline body can be quickly disassembled, and therefore convenience of the ventilation pipeline body is improved.
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Description

Technical Field

[0001] This utility model relates to the field of ventilation duct technology, specifically a hoisting structure for an air outlet duct of a central air conditioning system. Background Technology

[0002] Central air conditioning is a system that provides centralized air conditioning for large buildings or multiple rooms through chiller / heater units, air ducts, and water pipes. It can uniformly control parameters such as temperature and humidity, and features high efficiency, energy saving, uniform air delivery, and space saving. It is widely used in public buildings such as shopping malls and office buildings, as well as high-end residences.

[0003] Central air conditioning ventilation ducts are channels for transporting hot and cold air. Air is driven by fans to flow through the air conditioning unit and then delivered to each room to regulate the indoor temperature. They are mostly made of galvanized steel plates or composite materials. The duct diameter and direction need to be designed according to the air volume to ensure uniform airflow and noise levels that meet standards.

[0004] Central air conditioning ventilation ducts are usually installed at the top of the room using bolts and steel plates. However, when maintenance is required, multiple bolts and steel plates need to be removed, which is time-consuming.

[0005] Therefore, a central air conditioning air outlet duct hoisting structure is proposed to address the above problems. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A central air conditioning air outlet duct hoisting structure of this utility model includes a pair of mounting plates, with a lifting assembly inside the mounting plates; a fixed plate is rotatably connected to the bottom of the lifting assembly; a sliding groove is formed on the inner wall of the fixed plate; a baffle is slidably connected to the end of the sliding groove; a locking block is slidably fitted inside the sliding groove; a ventilation duct body is fixedly connected to the bottom of the locking block; the sliding groove is T-shaped; by using the cooperation of the sliding groove and the baffle, the locking block can be quickly fixed by the baffle after being inserted into the fixed plate, and the T-shape of the sliding groove can automatically provide support after insertion, thus making the installation of the ventilation duct body more convenient. Simultaneously, the ventilation duct body can be quickly dismantled during maintenance, thereby increasing the convenience of the ventilation duct body.

[0008] Preferably, the lifting assembly includes a bidirectional lead screw; the bidirectional lead screw is through-mounted and rotatably connected to the mounting plate; a pair of sliders are threadedly connected to the middle of the bidirectional lead screw; a connecting rod is rotatably connected to the middle of the sliders; by using the bidirectional lead screw and the connecting rod, the position adjustment of the ventilation duct body can be accelerated when processing the ventilation duct body, thereby speeding up the lifting and lowering of the ventilation duct body during maintenance, making maintenance more convenient.

[0009] Preferably, a plurality of spring telescopic rods are fixedly connected to the top of the baffle; the spring telescopic rods and the fixed plate are fixedly connected; by adding spring telescopic rods, a thrust can be generated by squeezing the spring telescopic rods when the baffle is operated, so that the thrust is increased when the baffle is restored, thereby increasing the stability of the baffle when it is fixed.

[0010] Preferably, a pair of upper magnets are fixedly connected to the bottom of the baffle; a pair of lower magnets are fixedly connected to the inner wall of the fixing plate; the upper magnets and lower magnets are correspondingly arranged and slidably engaged; by adding the lower magnets and upper magnets, the baffle can be fixed after the baffle is fixed to the block, thereby increasing the stability of the baffle and the fixing effect on the block.

[0011] Preferably, the bidirectional lead screw has multiple round rods fixedly connected to its end; each round rod has a ring fixedly connected to its end; by adding rings, the bidirectional lead screw can be rotated more easily at each angle after rotation, thereby allowing for rapid rotation of the bidirectional lead screw.

[0012] Preferably, sound-absorbing sponge is fixed to the inner wall of the ventilation duct body; multiple sound-absorbing sponges are provided on the ventilation duct body; by adding sound-absorbing sponges, the vibration sound generated by impact when moving inside the ventilation duct body can be eliminated, thereby reducing the sound transmitted to the surroundings.

[0013] The advantages of this utility model are:

[0014] 1. The central air conditioning air outlet duct hoisting structure of this utility model, by using the cooperation of a sliding groove and a baffle, allows the block to be quickly fixed by the baffle after it is inserted into the fixed plate. At the same time, the T-shaped sliding groove can automatically provide support after insertion, making the installation of the ventilation duct body more convenient. At the same time, the ventilation duct body can be quickly removed during maintenance, thereby increasing the convenience of the ventilation duct body.

[0015] 2. The central air conditioning air outlet duct hoisting structure described in this utility model can accelerate the position adjustment of the ventilation duct body when processing it by using a two-way screw rod and a connecting rod, thereby speeding up the lifting and lowering of the ventilation duct body during maintenance and making it more convenient for maintenance. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the main body of this utility model;

[0018] Figure 2 This is a schematic diagram of the bidirectional lead screw in this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the fixing plate in this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the baffle in this utility model;

[0021] Figure 5 This is a schematic diagram of the sound-absorbing sponge in this utility model.

[0022] In the diagram: 1. Mounting plate; 11. Lifting assembly; 14. Fixing plate; 15. Slide groove; 16. Baffle; 17. Locking block; 18. Ventilation duct body; 2. Two-way lead screw; 21. Slider; 22. Connecting rod; 3. Spring telescopic rod; 4. Upper magnet; 41. Lower magnet; 5. Round rod; 51. Circular ring; 6. Sound-absorbing sponge. Detailed Implementation

[0023] 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 scope of protection of the present utility model.

[0024] Specific implementation examples are given below.

[0025] like Figures 1 to 5As shown in the embodiment of this utility model, a central air conditioning air outlet duct hoisting structure includes a pair of mounting plates 1. A lifting assembly 11 is installed inside the mounting plate 1. A fixed plate 14 is rotatably connected to the bottom of the lifting assembly 11. A sliding groove 15 is formed on the inner wall of the fixed plate 14. A baffle 16 is slidably connected to the end of the sliding groove 15. A locking block 17 is slidably fitted inside the sliding groove 15. A ventilation duct body 18 is fixedly connected to the bottom of the locking block 17. The sliding groove 15 is T-shaped. During operation, the pair of mounting plates 1 are first installed on the indoor ceiling. Then, the lifting assembly 11 is adjusted to lower the fixed plate 14. After the fixed plate 14 is lowered, the locking block 17 can drive the ventilation duct body 18 to insert into the sliding groove 15. Inside the plate 14, since the slide groove 15 is T-shaped, it is supported by both ends after insertion. Then, the baffle 16 is moved down to block the locking block 17, thereby fixing the ventilation duct body 18. After fixing, the ventilation duct body 18 can be moved up by the lifting component 11. By using the cooperation of the slide groove 15 and the baffle 16, the locking block 17 can be quickly fixed by the baffle 16 after being inserted into the fixing plate 14. At the same time, the T-shape of the slide groove 15 can automatically provide support after insertion, making the installation of the ventilation duct body 18 more convenient. At the same time, the ventilation duct body 18 can be quickly removed during maintenance, thereby increasing the convenience of the ventilation duct body 18.

[0026] like Figures 1 to 4 As shown, the lifting assembly 11 includes a bidirectional lead screw 2; the bidirectional lead screw 2 is through-mounted and rotatably connected to the mounting plate 1; a pair of sliders 21 are threadedly connected to the middle of the bidirectional lead screw 2; a connecting rod 22 is rotatably connected to the middle of the sliders 21; during operation, when it is necessary to lift or lower the ventilation duct body 18, the bidirectional lead screw 2 is rotated. When the bidirectional lead screw 2 rotates, the sliders 21 move synchronously, thereby driving the connecting rod 22 to continuously adjust the fixing plate 14, thus accelerating the lifting or lowering of the ventilation duct body 18 during operation; by using the bidirectional lead screw 2 and the connecting rod 22, the position adjustment of the ventilation duct body 18 can be accelerated when processing the ventilation duct body 18, thereby accelerating the lifting or lowering of the ventilation duct body 18 during maintenance, making maintenance more convenient.

[0027] like Figure 4As shown, multiple spring telescopic rods 3 are fixedly connected to the top of the baffle 16; the spring telescopic rods 3 and the fixed plate 14 are fixedly connected; during operation, after the baffle 16 moves upward to unlock the locking block 17, when the locking block 17 is removed and the baffle 16 is released, the spring telescopic rods 3 will immediately return to their original state, thus generating a rebound. The rebound will generate a thrust, causing the baffle 16 to fall quickly, thereby accelerating the lowering speed of the baffle 16; by adding spring telescopic rods 3, the pushing force generated by squeezing the spring telescopic rods 3 when operating the baffle 16 can be increased when the baffle 16 returns to its original state, thereby increasing the stability of the baffle 16 when it is fixed.

[0028] like Figure 4 As shown, a pair of upper magnets 4 are fixedly connected to the bottom of the baffle 16; a pair of lower magnets 41 are fixedly connected to the inner wall of the fixing plate 14; the upper magnets 4 and lower magnets 41 are correspondingly arranged and slidably engaged; during operation, when the baffle 16 is lowered to fix the locking block 17, the upper magnets 4 will enter the interior of the lower magnets 41. At this time, the lower magnets 41 will magnetically attract the upper magnets 4 when they are engaged, thereby increasing the stability of the baffle 16 after it is lowered; by adding the lower magnets 41 and the upper magnets 4, the baffle 16 can be fixed after the locking block 17 is fixed, thereby increasing the stability of the baffle 16 and increasing the fixing effect of the locking block 17.

[0029] like Figures 1 to 2 As shown, multiple round rods 5 are fixedly connected to the end of the bidirectional lead screw 2; a ring 51 is fixedly connected to the end of each round rod 5; during operation, when the bidirectional lead screw 2 is rotated, it can be driven to rotate through the ring 51. After rotation, the ring 51 will provide a suitable gripping area for the next rotation, making it rotate faster; by adding the ring 51, the rotation of the bidirectional lead screw 2 can be increased at each angle after rotation, thereby quickly rotating the bidirectional lead screw 2.

[0030] like Figures 1 to 5 As shown, a sound-absorbing sponge 6 is fixed to the inner wall of the ventilation duct body 18; multiple sound-absorbing sponges 6 are provided on the ventilation duct body 18; during operation, when the airflow flows inside the ventilation duct body 18, it will impact the inner wall of the ventilation duct body 18, and the impact will generate vibration sound. When the sound is transmitted, it will come into contact with the sound-absorbing sponge 6. When in contact, the sound-absorbing sponge 6 will gradually weaken the sound volume through its own diffusion; by increasing the number of sound-absorbing sponges 6, the vibration sound generated by the impact can be eliminated when it moves inside the ventilation duct body 18, thereby reducing the sound transmitted to the surroundings.

[0031] Working principle: First, a pair of mounting plates 1 are installed on the indoor ceiling. Then, the lifting assembly 11 is adjusted to lower the fixing plate 14. After the fixing plate 14 is lowered, the locking block 17 drives the ventilation duct body 18 to insert into the sliding groove 15 of the fixing plate 14. Since the sliding groove 15 is T-shaped, it is supported by both ends after insertion. Then, the baffle 16 is lowered to block the locking block 17, thereby fixing the ventilation duct body 18. After fixing, the ventilation duct body 18 can be raised by the lifting assembly 11. When it is necessary to raise or lower the ventilation duct body 18, the double-acting screw 2 is rotated. When the double-acting screw 2 rotates, the slider 21 moves synchronously, thereby driving the connecting rod 22 to continuously adjust the fixing plate 14, so as to speed up the raising and lowering of the ventilation duct body 18. When the baffle 16 moves up, it releases the locking block 17. After locking, when the latch 17 is removed and the baffle 16 is released, the spring telescopic rod 3 will immediately return to its original position, thus generating a rebound. The rebound will generate a thrust, causing the baffle 16 to fall quickly, thereby accelerating the lowering speed of the baffle 16. When the baffle 16 is lowered and fixes the latch 17, the upper magnet 4 will enter the lower magnet 41. At this time, the lower magnet 41 will magnetically attract the upper magnet 4 when locked, thereby increasing the stability of the baffle 16 after it is lowered. When the bidirectional lead screw 2 is rotated, it can be driven to rotate by the ring 51. After rotation, the ring 51 will provide a suitable gripping area for the next rotation, making it rotate faster. When the airflow flows inside the ventilation duct body 18, it will impact the inner wall of the ventilation duct body 18. At this time, the impact will generate vibration sound. When the sound is transmitted, it will come into contact with the sound-absorbing sponge 6. When in contact, the sound-absorbing sponge 6 will gradually weaken the sound volume through its own diffusion.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A hoisting structure for an air outlet duct of a central air conditioning system, characterized in that: It includes a pair of mounting plates (1), and a lifting assembly (11) is provided inside the mounting plate (1); a fixed plate (14) is rotatably connected to the bottom of the lifting assembly (11); a sliding groove (15) is provided on the inner wall of the fixed plate (14); a baffle (16) is slidably connected to the end of the sliding groove (15); a locking block (17) is slidably fitted inside the sliding groove (15); a ventilation duct body (18) is fixedly connected to the bottom of the locking block (17); the sliding groove (15) is T-shaped.

2. The central air conditioning air outlet duct hoisting structure according to claim 1, characterized in that: The lifting assembly (11) includes a bidirectional lead screw (2); the bidirectional lead screw (2) is through-mounted and rotatably connected to the mounting plate (1); a pair of sliders (21) are threadedly connected to the middle of the bidirectional lead screw (2); a connecting rod (22) is rotatably connected to the middle of the sliders (21).

3. The central air conditioning air outlet duct hoisting structure according to claim 2, characterized in that: Multiple spring telescopic rods (3) are fixedly connected to the top of the baffle (16); the spring telescopic rods (3) and the fixed plate (14) are fixedly connected.

4. The central air conditioning air outlet duct hoisting structure according to claim 3, characterized in that: A pair of upper magnets (4) are fixed to the bottom of the baffle (16); a pair of lower magnets (41) are fixed to the inner wall of the fixing plate (14); the upper magnets (4) and the lower magnets (41) are correspondingly arranged and slidably engaged.

5. The central air conditioning air outlet duct hoisting structure according to claim 4, characterized in that: The bidirectional lead screw (2) has multiple round rods (5) fixedly connected to its end; the round rods (5) have a ring (51) fixedly connected to their end.

6. The central air conditioning air outlet duct hoisting structure according to claim 5, characterized in that: The inner wall of the ventilation duct body (18) is fixed with sound-absorbing sponge (6); multiple sound-absorbing sponges (6) are provided on the ventilation duct body (18).