Precise injection molding part for shifting button at air outlet of automobile air conditioner

By designing the structure of the cover body, the first fan blade, the second fan blade, the connecting rod, the twisting block and the movable block, the problem of the precision injection molded parts of the automobile air conditioner air outlet dial is loose after a long time of use, achieving convenient adjustment of the fan blade and extending its service life.

CN223266587UActive Publication Date: 2025-08-26KUNSHAN HENGRUITONG PRECISION HARDWARE ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422673528.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-08-26
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

After a long time of use, the precision injection molded parts of the existing automobile air conditioner air outlet dial are prone to loosening, resulting in the inability to fix the fan blades, affecting the use effect, and being too tight or too loose will reduce the service life.

Method used

A structure including a cover body, a first fan blade, a second fan blade, a connecting rod, a torsion block and a movable block are designed. The tightness of the fan blade is adjusted through the threaded connection and engagement structure. The threads of the torsion block and the movable block are used to adjust the extrusion of the connecting rod to ensure that the fan blade is flipped to a uniform angle and avoiding too tight or too loose at the connection.

Benefits of technology

It realizes convenient adjustment of fan blades, avoids deformation and cracking caused by improper tightness, and improves service life and use effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223266587U_ABST
    Figure CN223266587U_ABST
Patent Text Reader

Abstract

The utility model discloses an automobile air conditioner air outlet shifting button precise injection molding part which comprises a cover body and a second fan blade. First fan blades are movably installed at one end of the cover body, second fan blades are movably installed between the first fan blades, a shifting block is movably arranged in the middle of each first fan blade, and each first fan blade comprises a connecting rod, a twisting block and a movable block. The twisting blocks are arranged, the first fan blades are stirred to turn over, the movable blocks on the two sides rotate to drive the connecting rod to move upwards, all the first fan blades and the second fan blades connected with the connecting rod are turned over to the uniform angle, and the twisting blocks and the movable blocks are rotated to be in threaded fit, so that the extrusion tightness degree between the connecting rod and the movable blocks is achieved; the tightness degree is adjusted according to the rotating state when the fan blades are shifted, so that the tightness degree of the joint of the automobile air conditioner air outlet shifting button precise injection molding part is conveniently adjusted, and the phenomena of deformation and cracking due to too tightness or influence on the use effect due to too looseness are avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of automobile air conditioners, in particular to a precision injection molded part of an air outlet dial button for an automobile air conditioner. Background Art

[0002] The injection molded dial knob for automotive air conditioning vents is an important component of the automotive air conditioning system. It is usually used to control the opening and closing of the air outlet, adjust the wind direction and wind speed, and other functions. It is made of high-quality plastic materials and has good wear resistance, weather resistance, and impact resistance, ensuring that the product maintains stable performance during long-term use.

[0003] The traditional existing technical solutions have the following defects: after long-term use, the connection of the fan blades will become loose, so that the fan blades cannot be fixed after adjusting the angle. If the connection is too tight or too loose, it will affect the use effect. If it is too tight during use, it will increase the risk of deformation and cracking, and reduce the service life. Utility Model Content

[0004] The utility model aims to provide a precision injection molded part for a car air-conditioning air outlet dial button, so as to solve the defect that the existing precision injection molded part for a car air-conditioning air outlet dial button is inconvenient to adjust the tightness of the connection.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a precision injection-molded part of an automobile air-conditioning air outlet button, comprising a cover body and a second fan blade; a first fan blade is movably mounted on one end of the cover body, and a second fan blade is movably mounted between the first fan blades, and a shift block is movably arranged at the middle position of the first fan blade; the first fan blade comprises a connecting rod, a torsion block and a movable block; the movable block is fixedly mounted on both sides of the first fan blade and the second fan blade, a connecting rod is movably mounted on one side of the movable block, and the torsion block is movably mounted on one side of the movable block twice of the first fan blade.

[0006] Preferably, the first fan blades are provided in three groups, and the second fan blades are provided in two groups, and the first fan blades and the second fan blades are arranged in a staggered manner.

[0007] Preferably, the torsion block and the movable blocks on both sides of the first blade are threadedly connected, the movable blocks all pass through the interior of the connecting rod, and the movable blocks are arranged at equal intervals with respect to the interior of the connecting rod.

[0008] Preferably, a card slot is provided at the connection between the movable block and the cover body, and a card-fitting structure is formed between the movable block and the cover body.

[0009] Preferably, the shift block includes an upper splint, a lower splint, a torsion spring, a shell, a connecting shaft, a limiting shaft and a slide rail, the upper splint is arranged on the top of the first fan blade, and the lower splint is movably installed at the bottom end of the first fan blade at the bottom of the upper splint.

[0010] Preferably, a connecting shaft passes through the connection between the upper and lower splints, and a torsion spring is wound around the outside of the connecting shaft. One end of the upper and lower splints is movably provided with a shell.

[0011] Preferably, slide rails are provided on both sides of the shell, and slide rails are fixedly mounted on one end of both sides of the upper clamping plate and the lower clamping plate, and a sliding structure is formed between the slide rails and the limiting shaft.

[0012] The utility model provides a precision injection molded part for the air outlet knob of an automobile air conditioner, which has the advantages that: by providing a twisting block, the first fan blade is flipped by toggling, and the connecting rod is driven to move upward by rotating the movable blocks on both sides, so that all the first fan blades and the second fan blades connected to the connecting rod are flipped to a uniform angle, and the tightness of the squeeze between the connecting rod and the movable block can be achieved by rotating the threaded engagement between the twisting block and the movable block, and the tightness can be adjusted according to the state of rotation when the fan blade is toggled, so that the precision injection molded part for the air outlet knob of the automobile air conditioner is easy to adjust the tightness of the connection, avoiding deformation and cracking due to excessive tightness, or affecting the use effect due to excessive looseness. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the first fan blade and the cover body of the utility model in the separated state;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the first fan blade of the present invention;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the upper and lower splints of the present invention in exploded state viewed from above;

[0017] Figure 5 This is a schematic diagram of the three-dimensional structure of the upper and lower splints of the present invention in exploded state when viewed from above.

[0018] In the figure: 1. cover; 2. first fan blade; 21. connecting rod; 22. torsion block; 23. movable block; 3. shift block; 31. upper splint; 32. lower splint; 33. torsion spring; 34. outer shell; 35. connecting shaft; 36. limit shaft; 37. slide rail; 4. second fan blade. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 5 The utility model provides a precision injection molded part of an automobile air-conditioning outlet dial button, comprising a cover body 1 and a second fan blade 4; a first fan blade 2 is movably mounted on one end of the cover body 1, and a second fan blade 4 is movably mounted between the first fan blade 2, the first fan blade 2 is provided with three groups, and the second fan blade 4 is provided with two groups, and the first fan blade 2 and the second fan blade 4 are arranged alternately; the first fan blade 2 includes a connecting rod 21, a torsion block 22 and a movable block 23; the movable block 23 is fixedly mounted on both sides of the first fan blade 2 and the second blade 4, one side of the movable block 23 is movably mounted on the connecting rod 21, the torsion block 22 is movably mounted on one side of the movable block 23 twice of the first fan blade 2, the torsion block 22 is threadedly connected to the movable blocks 23 on both sides of the first fan blade 2, the movable blocks 23 all penetrate the interior of the connecting rod 21, and the movable blocks 23 are arranged at equal intervals about the interior of the connecting rod 21, the connection between the movable block 23 and the cover body 1 is provided with a card slot, and a card structure is formed between the movable block 23 and the cover body 1;

[0021] Refer to the attached Figure 2 and Figure 3 When the device is in use, the dial block 3 is moved to drive the first blade 2 to flip, and the movable blocks 23 on both sides thereof are rotated, so that the connecting rod 21 moves up to drive all the first blades 2 and the second blades 4 connected thereto to flip to a uniform angle, thereby achieving the effect of adjusting the wind direction. When the connection is too loose, the torsion block 22 can be threadedly engaged with the movable block 23, and the torsion block 22 can be rotated to squeeze the connecting rod 21 to tighten the movable block 23. At the same time, the tightness can be adjusted according to the state of rotation when the fan blades are dialed, thereby avoiding deformation and cracking of the connection due to excessive tightness, or affecting the use effect due to excessive looseness.

[0022] A shift block 3 is movably provided at the middle position of the first fan blade 2, and the shift block 3 includes an upper splint 31, a lower splint 32, a torsion spring 33, a shell 34, a connecting shaft 35, a limiting shaft 36 and a slide rail 37. The upper splint 31 is provided at the top of the first fan blade 2, and the lower splint 32 is movably installed at the bottom end of the first fan blade 2 at the bottom of the upper splint 31. The connection between the upper splint 31 and the lower splint 32 is penetrated by the connecting shaft 35, and the torsion spring 33 is wound around the outside of the connecting shaft 35. One end of the upper splint 31 and the lower splint 32 is movably provided with a shell 34, and slide rails 37 are provided on both sides of the shell 34. One end of both sides of the upper splint 31 and the lower splint 32 is fixedly installed with the slide rails 37, and a sliding structure is formed between the slide rails 37 and the limiting shaft 36;

[0023] Refer to the attached Figure 1 、 Figure 4 and Figure 5 When the device is in use, the fingers press the upper splint 31 and the lower splint 32 up and down so that they open and separate from the first fan blade 2. After adjusting the appropriate position and fixing it, release the pressure. Under the action of the torsion spring 33, the upper splint 31 and the lower splint 32 are pushed to squeeze and fix the first fan blade 2. The shell 34 can increase the aesthetics of the shift block 3 and has a dust-proof effect on components such as the torsion spring 33. The slide rail 37 and the limit shaft 36 realize the flipping movement of the upper splint 31 and the lower splint 32. The shift block 3 is detachable for easy cleaning of the fan blades, and the operation is simple.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the scope of protection of the present invention.

Claims

1. A precision injection molded part for a car air conditioner air outlet dial, comprising a cover (1) and a second fan blade (4); Its characteristics are: A first fan blade (2) is movably mounted on one end of the cover body (1), and a second fan blade (4) is movably mounted between the first fan blades (2), and a shifting block (3) is movably provided at the middle position of the first fan blade (2); The first fan blade (2) comprises a connecting rod (21), a torsion block (22) and a movable block (23); The movable block (23) is fixedly mounted on both sides of the first fan blade (2) and the second fan blade (4); a connecting rod (21) is movably mounted on one side of the movable block (23); and the twisting block (22) is movably mounted on one side of the movable block (23) twice on the first fan blade (2).

2. The precision injection molded part of the automobile air-conditioning vent knob according to claim 1, characterized in that: The first blades (2) are provided in three groups, and the second blades (4) are provided in two groups, and the first blades (2) and the second blades (4) are arranged in a staggered manner.

3. The precision injection molded part of the automobile air-conditioning vent knob according to claim 1, characterized in that: The twist block (22) and the movable blocks (23) on both sides of the first blade (2) are threadedly connected, and the movable blocks (23) all penetrate the interior of the connecting rod (21), and the movable blocks (23) are arranged at equal intervals with respect to the interior of the connecting rod (21).

4. The precision injection molded part of the automobile air-conditioning vent knob according to claim 1, characterized in that: A clamping groove is provided at the connection between the movable block (23) and the cover body (1), and a clamping structure is formed between the movable block (23) and the cover body (1).

5. The precision injection molded part of the automobile air-conditioning vent knob according to claim 1, characterized in that: The shift block (3) comprises an upper clamping plate (31), a lower clamping plate (32), a torsion spring (33), a housing (34), a connecting shaft (35), a limiting shaft (36) and a slide rail (37); the upper clamping plate (31) is arranged on the top of the first fan blade (2); and the lower clamping plate (32) is movably mounted on the bottom end of the first fan blade (2) at the bottom of the upper clamping plate (31).

6. The precision injection molded part of the automobile air-conditioning vent dial knob according to claim 5, characterized in that: A connecting shaft (35) passes through the connection between the upper clamping plate (31) and the lower clamping plate (32), and a torsion spring (33) is wound around the outside of the connecting shaft (35). One end of the upper clamping plate (31) and the lower clamping plate (32) is movably provided with a shell (34).

7. The precision injection molded part of the automobile air-conditioning vent dial knob according to claim 6, characterized in that: Slide rails (37) are provided on both sides of the housing (34), and one end of both sides of the upper clamping plate (31) and the lower clamping plate (32) are fixedly mounted with the slide rails (37), and a sliding structure is formed between the slide rails (37) and the limiting shaft (36).