Ventilation pipeline of automobile air conditioner

By introducing vibration damping and noise reduction components into the automotive air conditioning ventilation ducts, the vibration and noise problems of the ventilation ducts are solved, extending their service life and improving the passenger experience.

CN223579319UActive Publication Date: 2025-11-21YANGZHOU YAQI AUTO PARTS CO LTD
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Patent Information

Application Number
CN202423100079.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-21
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Car air conditioning ventilation ducts are prone to vibration and breakage during driving, and generate a lot of wind noise, which affects their service life and passenger comfort.

Method used

The system employs shock-absorbing and noise-reducing components, including shock-absorbing housings, springs, and sound-absorbing foam, which are connected to the vehicle body via fasteners to reduce vibration and noise.

Benefits of technology

It effectively reduces vibration and noise in ventilation ducts, improving service life and passenger comfort.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223579319U_ABST
Patent Text Reader

Abstract

The utility model discloses an automobile air conditioner ventilation pipeline which comprises a pipeline body, a fixing piece, a shock absorption assembly and a noise reduction assembly, one side of the middle position of the pipeline body is connected with the fixing piece, one end of the fixing piece is connected with the shock absorption assembly, and the pipeline body is connected with an automobile body through the fixing piece and the shock absorption assembly. The damping assembly is used for reducing vibration of the pipeline body, and a noise reduction assembly is arranged on the inner side wall of the pipeline body and used for reducing noise generated when air passes through the pipeline body. According to the damping assembly of the automobile air conditioner ventilation pipeline, the vertical shaking acting force of the ventilation pipeline and the fixing piece can be transferred to the spring in the damping shell, after the spring absorbs the acting force, vibration of the air duct pipeline and the fixing piece can be greatly reduced, and the damage probability of the air duct pipeline and the fixing piece is greatly reduced; and the noise reduction assembly can prevent air from making direct contact with the inner wall of the ventilation pipeline, and noise is effectively reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to automobile air conditioning ventilation pipeline technical field, especially an automobile air conditioning ventilation pipeline. BACKGROUND

[0002] The automobile air conditioning ventilation pipeline is an important component of the automobile air conditioning system, and the main function of the automobile air conditioning ventilation pipeline is to provide fresh air in the vehicle. When the vehicle is running, the fresh air duct can introduce the air outside the vehicle into the vehicle to improve the air quality in the vehicle.

[0003] The automobile air conditioning ventilation pipeline is connected with the outlet of the automobile air conditioning box, mainly plays the role of guiding wind, and distributes the air from the air conditioning box to the corresponding air outlet. In summer, the air conditioning cooling mode is generally used to ensure the appropriate temperature of the passenger cabin; in winter, the hot air is sent into the passenger cabin through the ventilation pipeline to increase the temperature in the vehicle.

[0004] The existing automobile air conditioning ventilation pipeline is generally installed on the vehicle frame in the engine compartment through bolts and nuts. During daily driving or with the increase of air volume, the ventilation pipeline will inevitably vibrate, and the pipeline will be damaged after a long time, affecting use. Moreover, the traditional automobile ventilation pipeline is made of plastic parts, and with the increase of air volume, the wind noise increases, reducing the driving experience of the passengers. UTILITY MODEL CONTENTS

[0005] The utility model solves the problem that the ventilation pipeline will inevitably vibrate during daily driving or with the increase of air volume, and the pipeline will be damaged after a long time, affecting use. Moreover, the traditional automobile ventilation pipeline is made of plastic parts, and with the increase of air volume, the wind noise increases, reducing the driving experience of the passengers.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] An automobile air conditioning ventilation pipeline, comprising a pipeline main body, a fixing part, a damping assembly and a noise reduction assembly, one end of the pipeline main body is an air inlet, the other end of the pipeline main body is an air outlet, a fixing part is connected to one side of the middle position of the pipeline main body, and one end of the fixing part is connected with a damping assembly, the pipeline main body is connected with the vehicle body through the fixing part and the damping assembly, the damping assembly is used for reducing the vibration of the pipeline main body, when the vehicle vibrates, the damping assembly can transfer the upward and downward shaking force of the ventilation pipeline and the fixing part to the spring in the damping shell, after the spring absorbs the force, the vibration of the air duct pipeline and the fixing part will be greatly reduced, the probability of damage of the air duct pipeline and the fixing part is greatly reduced, and the service life is improved.

[0008] The inner side wall of the pipeline body is provided with a noise reduction assembly, and the noise reduction assembly is used to reduce the noise of air passing through the pipeline body. The noise reduction assembly can avoid direct contact of air with the inner wall of the ventilation pipeline, effectively reduce the generation of noise, and make the air softer, thereby improving the comfort of passengers in the vehicle.

[0009] Further, the damping assembly comprises a damping shell and a clamping groove. The damping shell is provided with an opening at one end facing the fixing member. The other end of the damping shell is provided with the clamping groove. The clamping groove is provided with an opening at the side facing the fixing member. The upper and lower end faces of the damping shell are both provided with mounting holes for mounting bolts. The inner surface of the mounting hole is provided with an internal thread to facilitate the fixation on the vehicle body by the bolt.

[0010] Further, the fixing member comprises a connecting lug connected with the pipeline body. The front end of the connecting lug is provided with a clamping head. The middle position of the connecting lug is provided with a through hole. The clamping head is installed in the clamping groove. The width of the connecting lug is consistent with the width of the opening of the clamping groove and the side of the damping shell.

[0011] Further, the upper and lower end faces of the damping shell are both fixed with spring mounting grooves. The positions of the spring mounting grooves correspond to the positions of the mounting holes. The upper and lower end faces of the connecting lug are both fixed with spring mounting grooves. The positions of the spring mounting grooves correspond to the positions of the through hole. The positions of the spring mounting grooves on the connecting lug correspond to the positions of the spring mounting grooves on the damping shell.

[0012] Further, the spring mounting grooves on the connecting lug and the spring mounting grooves on the damping shell are provided with springs. The inner diameter of the spring is greater than the diameters of the through hole and the mounting hole. The diameter of the through hole is greater than the diameter of the mounting hole. When the bolt is inserted through the mounting hole, it does not affect the normal use of the spring and the connecting lug.

[0013] Further, the noise reduction assembly comprises a sound-absorbing sponge. The sound-absorbing sponge is fixed on the inner side wall of the pipeline body. The sound-absorbing sponge can avoid direct contact of air with the inner wall of the ventilation pipeline, effectively reduce the generation of noise, and make the air softer, thereby improving the comfort of passengers in the vehicle.

[0014] Advantages: Compared with the prior art, the present application has the following advantages:

[0015] 1. The fixing member of the automobile air conditioning ventilation pipeline is provided with a damping assembly. When installing the air duct pipeline, the user can directly fix it on the vehicle body by using the bolt through the mounting hole of the damping shell and the through hole of the connecting lug. When the vehicle vibrates, the up and down movement of the fixing member will transfer the force to the spring inside the damping shell. After the spring absorbs the force, the vibration of the air duct pipeline and the fixing member will be greatly reduced, the probability of damage to the air duct pipeline and the fixing member will be greatly reduced, and the service life will be improved.

[0016] 2.The inner wall of the automobile air conditioner ventilation pipeline is provided with a noise reduction assembly, the noise reduction sponge can avoid direct contact of air with the inner wall of the ventilation pipeline, effectively reduces noise caused by the direct contact, and the noise reduction sponge can also make the air softer and improve the comfort of passengers in the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical schemes of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows:

[0018] Figure 1 is a whole schematic view of the automobile air conditioner ventilation pipeline;

[0019] Figure 2 is a top view of the automobile air conditioner ventilation pipeline;

[0020] Figure 3 is a side view of the automobile air conditioner ventilation pipeline;

[0021] Figure 4 is a top view of the damping assembly;

[0022] Figure 5 is a schematic view of the internal structure of the damping assembly;

[0023] Figure 6 is a schematic view of the structure of the noise reduction assembly.

[0024] Reference signs: 1, pipeline body; 2, fixing piece; 201, connecting lug; 202, clamping head; 203, through hole; 3, air inlet; 4, air outlet; 5, damping assembly; 501, damping shell; 502, clamping groove; 503, mounting hole; 6, noise reduction assembly; 601, noise reduction sponge; 7, spring mounting groove; 8, spring. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0026] Reference Figures 1-6 The embodiment provides an automobile air conditioner ventilation pipeline.

[0027] As Figure 1 , Figure 2 and Figure 3As shown, an automobile air conditioner ventilation pipeline, including pipeline body, fixing part, damping assembly and noise reduction assembly, one end of the pipeline body is the air inlet, the other end of the pipeline body is the air outlet, one side of the middle position of the pipeline body is connected with the fixing part, the fixing part 2 is fixedly connected with the pipeline body, to ensure the connection strength and stability between the fixing part 2 and the pipeline body 1, and one end of the fixing part is connected with the damping assembly, the pipeline body is connected with the vehicle body through the fixing part and the damping assembly, the damping assembly is used for reducing the vibration of the pipeline body, and the user can directly fix the damping assembly 5 on the vehicle body through the mounting hole 503, when the vehicle vibrates, the up and down shaking of the fixing part 2 and the ventilation pipeline 1 will transfer the force to the spring 8 inside the damping assembly 5, after the spring 8 absorbs the force, the vibration of the air duct pipeline 1 and the fixing part 2 will be greatly reduced, the probability of damage of the air duct pipeline and the fixing part is greatly reduced, and the service life is improved.

[0028] As shown in Figure 1 , Figure 3 and Figure 6 , the inner side wall of the pipeline body is provided with a noise reduction assembly, and the noise reduction assembly is used for reducing the noise of the air passing through the pipeline body, and the noise reduction sponge 601 can avoid the direct contact of the air with the inner wall of the ventilation pipeline 1, effectively reduce the noise caused, and at the same time, the noise reduction sponge 601 can make the air softer, improve the comfort of passengers in the vehicle.

[0029] As shown in Figure 4 and Figure 5 , the damping assembly includes a damping shell and a clamping groove, one end of the damping shell is provided with an opening towards the fixing part, the connecting lug 201 of the fixing part 2 can be smoothly placed inside the damping shell 501, the other end of the damping shell is provided with a clamping groove, the side surface of the clamping groove towards the fixing part is provided with an opening, the clamping head 202 is conveniently placed, the upper and lower end faces of the damping shell are both provided with mounting holes for mounting bolts, and the inner surface of the mounting hole 503 is provided with internal threads to facilitate the fixation on the vehicle body through the bolts.

[0030] As shown in Figure 4 and Figure 5 , the fixing part includes a connecting lug connected with the pipeline body, the pipeline body is fixedly connected with the connecting lug, and the front end of the connecting lug is provided with a clamping head, and the middle position of the connecting lug is provided with a through hole, the through hole 203 facilitates the passing of the bolt.

[0031] The clamping head is installed in the clamping groove, the cooperation of the clamping head 202 and the clamping groove 502 can ensure that the fixing part 2 can normally shake up and down, and the fixing part 2 will not be separated from the damping shell 501, the connection is more stable, the width of the connecting lug is consistent with the width of the opening of the side surface of the damping shell and the clamping groove, and the connecting lug 201 of the fixing part 2 can be smoothly placed in the damping shell 501.

[0032] AsFigure 4 and Figure 5 As shown in the figure, the upper and lower end faces of the damping shell are fixed with spring mounting grooves, the positions of the spring mounting grooves correspond to the positions of the mounting holes, the upper and lower end faces of the connecting lug are fixed with spring mounting grooves, the positions of the spring mounting grooves correspond to the positions of the through holes, the positions of the spring mounting grooves on the connecting lug correspond to the positions of the spring mounting grooves on the damping shell, springs are arranged between the spring mounting grooves on the connecting lug and the spring mounting grooves on the damping shell, the bolt can be smoothly mounted on the damping shell 501 and pass through the through hole 203 of the connecting lug 201, the bolt mounting position is located between the springs 8, and can play a certain wire guiding role, the up and down shaking of the fixing member 2 and the connecting lug 201 will transfer the force to the springs 8 inside the damping shell 501, after the springs 8 absorb the force, the vibration of the air duct pipeline 1 and the fixing member 2 will be greatly reduced, the probability of damage of the air duct pipeline 1 and the fixing member 3 is greatly reduced, and the service life is improved.

[0033] The inner diameter of the spring is greater than the diameters of the through hole and the mounting hole, when the bolt is inserted into the mounting hole 503, the normal use of the spring 8 will not be affected, and the diameter of the through hole is greater than the diameter of the mounting hole, when the bolt is inserted into the mounting hole 503, the normal use of the connecting lug 201 will not be affected.

[0034] The noise reduction assembly comprises a sound-absorbing sponge, the sound-absorbing sponge is fixed on the inner side wall of the pipeline main body, and can be glued, the sound-absorbing sponge 601 can avoid direct contact of air with the inner wall of the ventilation pipeline 1, effectively reduce the noise caused, and make the air soft, and improve the comfort of passengers in the vehicle.

[0035] When the air duct pipeline is installed, the user can directly fix the bolt on the vehicle body through the mounting hole 503 of the damping shell 501 and the through hole 203 of the connecting lug 201, when the vehicle vibrates, the up and down shaking of the ventilation pipeline 1 and the fixing member 2 will transfer the force to the springs 8 inside the damping shell 501, after the springs 8 absorb the force, the vibration of the air duct pipeline 1 and the fixing member 2 will be greatly reduced, the probability of damage of the air duct pipeline and the fixing member is greatly reduced, and the service life is improved.

[0036] The above examples are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical scheme of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, and all of them should be covered in the claim range of the utility model.

Claims

1. A type of automotive air conditioning ventilation duct, characterized in that: It includes a main pipe body (1), a fastener (2), a shock-absorbing component (5), and a noise reduction component (6). One end of the main pipe body (1) is an air inlet (3), and the other end of the main pipe body (1) is an air outlet (4). A fixing member (2) is connected to one side of the middle position of the pipeline body (1), and a shock-absorbing component (5) is connected to one end of the fixing member (2). The main body of the pipeline (1) is connected to the vehicle body through a fastener (2) and a shock-absorbing component (5). The shock-absorbing component (5) is used to reduce the vibration of the main body of the pipeline (1). The inner wall of the pipeline body (1) is provided with a noise reduction component (6), and the noise reduction component (6) is used to reduce the noise of wind passing through the pipeline body (1).

2. The automotive air conditioning ventilation duct according to claim 1, characterized in that: The shock-absorbing assembly (5) includes a shock-absorbing housing (501) and a slot (502). The shock-absorbing housing (501) has an opening at one end facing the fixing member (2), and the other end of the shock-absorbing housing (501) has a slot (502). The slot (502) has an opening on the side facing the fixing member (2). The upper and lower end faces of the shock-absorbing housing (501) are provided with mounting holes (503) for mounting bolts.

3. The automotive air conditioning ventilation duct according to claim 1, characterized in that: The fastener (2) includes a connecting ear (201) connected to the pipeline body (1), and the front end of the connecting ear (201) is provided with a clip (202), and the connecting ear (201) is provided with a through hole (203) in the middle position.

4. The automotive air conditioning ventilation duct according to claim 3, characterized in that: The card head (202) is installed inside the card slot (502), and the width of the connecting ear (201) is consistent with the width of the side opening of the shock-absorbing shell (501) and the card slot (502).

5. The automotive air conditioning ventilation duct according to claim 4, characterized in that: The upper and lower end faces of the shock-absorbing housing (501) are both fixed with spring mounting grooves (7), and the positions of the spring mounting grooves (7) correspond to the positions of the mounting holes (503).

6. The automotive air conditioning ventilation duct according to claim 3, characterized in that: The upper and lower end faces of the connecting ear (201) are both fixed with spring mounting grooves (7), and the position of the spring mounting grooves (7) corresponds to the position of the through hole (203), and the position of the spring mounting grooves (7) on the connecting ear (201) corresponds to the position of the spring mounting grooves (7) on the shock-absorbing housing (501).

7. The automotive air conditioning ventilation duct according to claim 6, characterized in that: A spring (8) is provided between the spring mounting groove (7) on the connecting ear (201) and the spring mounting groove (7) on the shock-absorbing housing (501), and the inner diameter of the spring (8) is larger than the diameter of the through hole (203) and the mounting hole (503).

8. The automotive air conditioning ventilation duct according to claim 6, characterized in that: The diameter of the through hole (203) is larger than the diameter of the mounting hole (503).

9. The automotive air conditioning ventilation duct according to claim 7, characterized in that: The noise reduction component (6) includes a sound-absorbing sponge (601), which is fixed on the inner wall of the pipeline body (1).