Air outlet device of central air conditioner
By installing stabilizing connecting rods and frames in the central air conditioning air outlet device, the structural strength of the impeller is enhanced, solving the problem of the impeller easily swaying under high-speed rotation, and improving stability and service life.
Patent Information
- Application Number
- CN202520675875.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-11
AI Technical Summary
The impeller of the existing central air conditioning air outlet device is prone to wobbling at the edges of the structure under high-speed rotation, which leads to increased metal fatigue, reduced working stability and service life.
By setting stabilizing connecting rods at the edge of the air turbine blades and combining them with the fixed connection between the frame and the fan casing, the structural strength is enhanced and the swaying and metal fatigue are reduced.
It improves the structural stability of the fan wheel under high-speed rotation, reduces swaying and metal fatigue, extends service life, and enhances the operational stability of the central air conditioning system.
Smart Images
Figure CN223954351U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to central air conditioning air outlet technical field, concretely relates to a central air conditioning air outlet device. BACKGROUND
[0002] With the continuous improvement of people's requirement to indoor environment comfort, central air conditioning has been widely applied in various places, and the air outlet wheel device of central air conditioning as a key component, its performance directly influences the refrigeration and heating effect of air conditioner and overall operation stability.
[0003] Due to the continuous high-speed rotation of the wheel, the structure edge will be subjected to a large centrifugal force and airflow impact, under the repeated action of these external forces, the wheel structure edge is prone to sway, this sway not only causes additional vibration and noise when the wheel rotates, but also makes the impeller edge bear alternating stress, and further causes metal fatigue phenomenon, with the continuous deepening of metal fatigue degree, the structural strength of the wheel gradually decreases, the working stability is greatly discounted, and the service life is also shortened, which not only increases the maintenance cost of central air conditioning, but also may cause the performance of air conditioner to decline, and cannot meet the demand of users for comfortable environment.
[0004] Therefore, aiming at the above-mentioned problems of the existing central air conditioning air outlet device, because the structure edge of the wheel is prone to sway under high-speed rotation, the metal fatigue of the impeller edge is increased, the working stability and service life are reduced, a central air conditioning air outlet device can be designed. CONTENT OF THE UTILITY MODEL
[0005] In order to overcome the problem of the existing central air conditioning air outlet device, because the structure edge of the wheel is prone to sway under high-speed rotation, the metal fatigue of the impeller edge is increased, the working stability and service life are reduced.
[0006] The technical scheme of the utility model is: a central air conditioning air outlet device, comprising an air conditioner fan support assembly, further comprising a fan assembly; the fan assembly is fixedly arranged in the air conditioner fan support assembly; the air conditioner fan support assembly comprises a fan shell and a frame; the fan assembly comprises a blower turbine blade, a center connecting disc, a transmission shaft, a shaft sleeve, a lock cap and a stable connecting rod.
[0007] Preferably, the stable connecting rod strengthens the structural strength of the edge of the blower turbine blade, thereby effectively improving the structural stability thereof under high-speed rotation, reducing structural sway and metal fatigue, and solving the problem of the existing central air conditioning air outlet device, because the structure edge of the wheel is prone to sway under high-speed rotation, the metal fatigue of the impeller edge is increased, the working stability and service life are reduced.
[0008] Preferably, the two sides of the fan shell are provided with frames, and the frames are bolted and fixedly connected with the fan shell.
[0009] Preferably, the inside of the fan shell is provided with a blower turbine blade; the inside of the blower turbine blade is provided with a center connecting disc, and the center connecting disc is fixedly connected with the blower turbine blade.
[0010] Preferably, the center of the center connecting disc is provided with a transmission shaft, and the transmission shaft is rotatably connected with the bearing frame of the frame.
[0011] Preferably, both sides of the center connecting disc are provided with shaft sleeves, and the shaft sleeves are connected with the flanges of the center connecting disc, and the shaft sleeves are threadedly locked with the transmission shaft.
[0012] Preferably, the outer side of the shaft sleeve is provided with a lock cap, and the lock cap is fixedly connected with the shaft sleeve.
[0013] Preferably, the lock cap and the inner side of the edge of the blower turbine blade are provided with a stabilizing connecting rod.
[0014] Preferably, both ends of the stabilizing connecting rod are bolted with the lock cap and the inner side of the edge of the blower turbine blade.
[0015] The beneficial effects of the utility model are as follows:
[0016] 1. The existing central air conditioner air outlet device, because the structure edge of the fan wheel is easy to shake under high-speed rotation, the metal fatigue of the edge of the impeller is increased, the working stability and service life are reduced; the structural strength of the edge of the blower turbine blade is strengthened through the stabilizing connecting rod, so that the structural stability under high-speed rotation is effectively improved, and the structural shaking and metal fatigue are reduced; the problem that the existing central air conditioner air outlet device, because the structure edge of the fan wheel is easy to shake under high-speed rotation, the metal fatigue of the edge of the impeller is increased, the working stability and service life are reduced is solved.
[0017] 2. Through the setting of the frame, the frame is used to improve the stability of the fan shell and assist in supporting the rotation of the transmission shaft, so that the transmission shafts driving multiple groups of blower turbine blades can be stably connected with each other. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The overall three-dimensional structure schematic diagram of the central air conditioner air outlet device is shown.
[0019] Figure 2 The fan assembly side view three-dimensional structure schematic diagram of the central air conditioner air outlet device is shown.
[0020] Figure 3 The fan assembly, fan shell and frame combination front view three-dimensional structure schematic diagram of the central air conditioner air outlet device is shown.
[0021] Figure 4 A central air conditioner air outlet device fan assembly inside three-dimensional structure schematic view is shown.
[0022] Figure 5 A central air conditioner air outlet device fan assembly front view three-dimensional structure schematic view is shown.
[0023] The signs in the drawings are: 1, air conditioner fan support assembly, 2, fan assembly, 101, fan housing, 102, frame, 201, air supply turbine blade, 202, center connecting disc, 203, transmission shaft, 204, shaft sleeve, 205, lock cap, 206, stable connecting rod. DETAILED DESCRIPTION
[0024] The utility model is further explained below in combination with the drawings and examples.
[0025] Please refer to Figures 1-5 The utility model provides an example: a central air conditioner air outlet device, including air conditioner fan support assembly 1, still including fan assembly 2, the inside fixed setting of air conditioner fan support assembly 1 has fan assembly 2, air conditioner fan support assembly 1 includes fan housing 101, frame 102, fan assembly 2 includes air supply turbine blade 201, center connecting disc 202, transmission shaft 203, shaft sleeve 204, lock cap 205, stable connecting rod 206.
[0026] Please refer to Figures 1-5 In the embodiment, both sides of fan housing 101 are provided with frame 102, and frame 102 is in bolted fixed connection with fan housing 101, the inside of fan housing 101 is provided with air supply turbine blade 201, the inside of air supply turbine blade 201 is provided with center connecting disc 202, and center connecting disc 202 is in fixed connection with air supply turbine blade 201, the center of center connecting disc 202 is provided with transmission shaft 203, and transmission shaft 203 is in rotary connection with the bearing frame of frame 102, both sides of center connecting disc 202 are provided with shaft sleeve 204, and shaft sleeve 204 is in flange connection with center connecting disc 202, and shaft sleeve 204 is in screw locking connection with transmission shaft 203, the outside of shaft sleeve 204 is provided with lock cap 205 around, and lock cap 205 is in fixed connection with shaft sleeve 204, and stable connecting rod 206 is arranged between the edge inside of lock cap 205 and air supply turbine blade 201, and both ends of stable connecting rod 206 are in bolted fixed connection with the edge inside of lock cap 205 and air supply turbine blade 201 respectively.
[0027] In the working process, the structural strength of the edge of the air supply turbine blade 201 is strengthened by the stable connecting rod 206, so as to effectively improve the structural stability under high-speed rotation, reduce structural shaking and metal fatigue; solve the problem of the existing central air conditioning air outlet device, because the structure edge of the fan wheel is easy to shake under high-speed rotation, the metal fatigue of the edge of the impeller is increased, the working stability and service life are reduced;
[0028] Then, the frame 102 is used to improve the stability of the fan shell 101 while assisting in supporting the rotation of the transmission shaft 203, so that the transmission shaft 203 driving multiple sets of air supply turbine blades 201 can be stably connected with each other.
[0029] Through the above steps, the structural strength of the edge of the air supply turbine blade 201 is strengthened by the stable connecting rod 206, so as to effectively improve the structural stability under high-speed rotation, reduce structural shaking and metal fatigue, avoid the problem of the existing central air conditioning air outlet device, because the structure edge of the fan wheel is easy to shake under high-speed rotation, the metal fatigue of the edge of the impeller is increased, the working stability and service life are reduced.
[0030] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.
Claims
1. A central air conditioner air outlet device, comprising an air conditioner fan support assembly (1), characterized in that: The fan assembly (2) is further included; the fan assembly (2) is fixedly arranged inside the air conditioner fan support assembly (1); the air conditioner fan support assembly (1) comprises a fan shell (101) and a frame (102); the fan assembly (2) comprises a blower turbine blade (201), a center connecting disc (202), a transmission shaft (203), a shaft sleeve (204), a lock cap (205) and a stable connecting rod (206).
2. The air outlet device of a central air conditioner according to claim 1, characterized in that: The frame (102) is arranged on both sides of the fan shell (101) and is in bolted fixed connection with the fan shell (101).
3. The air outlet device of a central air conditioner according to claim 1, characterized in that: The fan shell (101) is internally provided with the blower turbine blade (201); the blower turbine blade (201) is internally provided with the center connecting disc (202), which is in fixed connection with the blower turbine blade (201).
4. The air outlet device of a central air conditioner according to claim 3, characterized in that: The center of the center connecting disc (202) is provided with the transmission shaft (203), which is in rotary connection with the bearing frame of the frame (102).
5. The air outlet device of a central air conditioner according to claim 3, characterized in that: Both sides of the center connecting disc (202) are provided with the shaft sleeve (204), which is in flange connection with the center connecting disc (202) and is in threaded locking connection with the transmission shaft (203).
6. The air outlet device of a central air conditioner according to claim 5, characterized in that: The outer side of the shaft sleeve (204) is provided with the lock cap (205), which is in fixed connection with the shaft sleeve (204).
7. The air outlet device of a central air conditioner according to claim 6, characterized in that: The stable connecting rod (206) is arranged between the lock cap (205) and the inner side of the edge of the blower turbine blade (201).
8. The air outlet device of a central air conditioner according to claim 7, characterized in that: The two ends of the stable connecting rod (206) are in bolted fixed connection with the lock cap (205) and the inner side of the edge of the blower turbine blade (201), respectively.