Connecting rod structure of air door of automobile air conditioner

Abstract

The utility model discloses an automobile air conditioner air door connecting rod structure which comprises a first connecting rod, a second connecting rod, a rotating disc and a crankshaft, a connecting block is arranged at one end of the first connecting rod, a buffering assembly is arranged between the first connecting rod and the connecting block, and connecting assemblies are arranged on the connecting block and the second connecting rod. The connecting block and the second connecting rod are connected with the rotating disc and the crankshaft through connecting assemblies correspondingly. In the working process of the first connecting rod and the second connecting rod, the first connecting rod and the second connecting rod not only rotate with the first connecting shaft and the second connecting shaft, but also possibly axially deviate, and in the axial deviation process, in order to prevent the first connecting rod from falling off or being broken from the rotating disc, the first connecting rod is prevented from falling off or being broken. The first connecting rod and the connecting piece rotate with the connecting block under the action of the rotating shaft, and therefore buffering of axial deviation is achieved.

Description

Technical Field

[0001] This utility model relates to the field of damper linkage technology, and in particular to a structure for an automotive air conditioning damper linkage. Background Technology

[0002] The choke link is a key component of the engine intake system, and its technology integrates the latest advancements in precision manufacturing and materials science. The choke link is responsible for regulating the amount of air entering the engine, adjusting airflow by precisely controlling the opening degree of the choke, and then mixing it with fuel to form a combustible mixture. In this process, the angle of the link directly affects the engine's combustion efficiency and power output. With the automotive industry's pursuit of energy conservation, emission reduction, and high efficiency, the design of choke links is developing towards lightweighting, high precision, and intelligence. High-strength, lightweight materials, such as titanium alloys or metal matrix composites, are used to reduce the link's weight and friction losses. Simultaneously, advanced manufacturing processes, such as 3D printing technology, optimize the link structure and improve performance. Furthermore, the application of intelligent technologies, such as the introduction of sensors and adaptive control systems, can monitor and adjust the link's operating status in real time, further improving the overall efficiency and reliability of the engine.

[0003] Patent document CN204460630U discloses an assembly structure for a car air conditioning vent damper linkage, including a wheel, a crank, and a damper linkage movably connected at both ends to the wheel and crank. The key feature is that a first connecting hole is formed on one side of the wheel, and a second connecting hole is formed on the crank. Correspondingly, spherical first and second connecting heads, adapted to the first and second connecting holes, are formed at both ends of the linkage. Furthermore, at least one of the first and second connecting heads has a limiting post protruding perpendicular to the length direction of the damper linkage. Compared with the prior art, the advantages of this invention are: the limiting post restricts the multi-directional rotation of the connecting head, greatly enhancing the overall structural strength and preventing the damper linkage from dislodging under stress. It is also simple to manufacture and has significant effects.

[0004] In the prior art of the aforementioned patent, the damper connecting rod is limited by a limiting post to prevent it from falling off. However, in actual use, since there are limiting measures at both ends, when the damper vibrates at a high frequency or the connecting rod is subjected to a large load, the connecting rod is a rigid structure and is usually made of hard plastic. Therefore, it is easy for it to break if it is subjected to axial force. Utility Model Content

[0005] The purpose of this utility model is to provide an automotive air conditioning damper linkage structure to overcome the above-mentioned shortcomings in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automotive air conditioning damper linkage structure, comprising a first linkage, a second linkage, a rotating disk and a crankshaft, wherein a connecting block is provided at one end of the first linkage, a buffer assembly is provided between the first linkage and the connecting block, and connecting assemblies are provided on both the connecting block and the second linkage, wherein the connecting block and the second linkage are respectively connected to the rotating disk and the crankshaft through the connecting assemblies.

[0007] As a further description of the above technical solution: the buffer assembly includes an elastic rotating assembly disposed on the connecting block, the elastic rotating assembly includes a rotating shaft, and a connecting piece is fixedly installed at one end of the first connecting rod, the connecting piece being fixedly connected to the rotating shaft.

[0008] As a further description of the above technical solution: the elastic rotation assembly also includes two sleeves, which are fixedly mounted on the connecting block. The two ends of the rotating shaft are rotatably connected to the sleeves. Each of the two sleeves is provided with a torsion spring. One end of the torsion spring is fixedly connected to the sleeve, and the other end of the torsion spring is fixedly connected to the rotating shaft.

[0009] As a further description of the above technical solution: Limiting plates are fixedly installed on both sides of the connecting block, and the limiting plates are arranged on both sides of the first connecting rod.

[0010] As a further description of the above technical solution: a rubber connecting strip is fixedly connected between the first connecting rod and the second connecting rod.

[0011] As a further description of the above technical solution: the connecting assembly includes a first connecting shaft and a second connecting shaft, the first connecting shaft and the second connecting shaft are respectively fixedly mounted on the rotating disk and the second connecting rod, the first connecting shaft and the second connecting shaft are respectively provided with a smooth surface and a threaded surface, the connecting block is sleeved on the smooth surface of the first connecting shaft and rotatably connected to the first connecting shaft, the crankshaft is sleeved on the smooth surface of the second connecting shaft and rotatably connected to the second connecting shaft, and a fixing nut is provided on the threaded surface of both the first connecting shaft and the second connecting shaft.

[0012] This utility model provides a connecting rod structure for an automotive air conditioning damper. It has the following advantages: the rotating crankshaft drives a rotating disk to rotate via a first connecting rod and a second connecting rod. The rotation of the rotating disk controls the damper. During operation, the first and second connecting rods not only rotate with the first and second connecting shafts but may also experience axial offset. To prevent the first connecting rod from detaching from or breaking from the rotating disk during axial offset, the first connecting rod and the connecting plate rotate with the connecting block under the action of the rotating shaft, thus buffering the axial offset.

[0013] It should be understood that the foregoing general description and the following detailed description are exemplary and illustrative only, and are not intended to limit this disclosure.

[0014] This application provides an overview of various implementations or examples of the technology described in this disclosure, and is not a full disclosure of the entire scope or all features of the disclosed technology. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an automotive air conditioning damper linkage structure proposed in this utility model.

[0016] Figure 2 This is a top view of the structure of this utility model;

[0017] Figure 3 This is a three-dimensional exploded structural diagram of the present invention;

[0018] Figure 4 This is a three-dimensional structural schematic diagram of the first connecting rod of this utility model;

[0019] Figure 5 This is a three-dimensional exploded view of the elastic rotation component of this utility model.

[0020] Legend:

[0021] 1. First connecting rod; 101. Connecting block; 2. Rubber connecting strip; 3. Second connecting rod; 4. First connecting shaft; 5. Second connecting shaft; 6. Fixing nut; 7. Rotating disk; 8. Crankshaft; 9. Smooth surface; 10. Threaded surface; 11. Rotating shaft; 12. Sleeve; 13. Limiting plate; 14. Connecting piece; 15. Torsion spring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Reference Figure 1-5A connecting rod structure for an automotive air conditioning damper includes a first connecting rod 1, a second connecting rod 3, a rotating disk 7, and a crankshaft 8. A connecting block 101 is provided at one end of the first connecting rod 1, and a buffer assembly is provided between the first connecting rod 1 and the connecting block 101. Connecting assemblies are provided on both the connecting block 101 and the second connecting rod 3. The connecting block 101 and the second connecting rod 3 are connected to the rotating disk 7 and the crankshaft 8 respectively through the connecting assemblies. The rotating crankshaft 8 drives the rotating disk 7 to rotate through the first connecting rod 1 and the second connecting rod 3. The rotation of the rotating disk 7 controls the damper. During operation, the first connecting rod 1 and the second connecting rod 3 not only rotate with the first connecting shaft 4 and the second connecting shaft 5, but may also experience axial offset. To prevent the first connecting rod 1 from detaching from or breaking from the rotating disk 7 during axial offset, the first connecting rod 1 and the connecting piece 14 rotate with the connecting block 101 under the action of the rotating shaft 11, thereby buffering the axial offset.

[0024] As a preferred technical solution of this embodiment, the buffer assembly includes an elastic rotating assembly disposed on the connecting block 101. The elastic rotating assembly includes a rotating shaft 11. A connecting piece 14 is fixedly installed at one end of the first connecting rod 1, and the connecting piece 14 is fixedly connected to the rotating shaft 11. In order to prevent the first connecting rod 1 from falling off or breaking from the rotating disk 7, the first connecting rod 1 and the connecting piece 14 rotate with the connecting block 101 under the action of the rotating shaft 11, thereby realizing the buffering of axial displacement.

[0025] As a preferred embodiment, the elastic rotation assembly further includes two sleeves 12, which are fixedly mounted on the connecting block 101. Both ends of the rotating shaft 11 are rotatably connected to the sleeves 12. Each of the two sleeves 12 is provided with a torsion spring 15. One end of the torsion spring 15 is fixedly connected to the sleeve 12, and the other end of the torsion spring 15 is fixedly connected to the rotating shaft 11. Under the action of the torsion spring 15, the first connecting rod 1 and the connecting block 101 can be prevented from rotating arbitrarily, thereby improving the stability of the first connecting rod 1.

[0026] As a preferred technical solution of this embodiment, limiting plates 13 are fixedly installed on both sides of the connecting block 101. The limiting plates 13 are arranged on both sides of the first connecting rod 1. The limiting plates 13 on both sides limit the offset of the first connecting rod 1, preventing large offset between the first connecting rod 1 and the connecting block 101, thereby affecting the normal operation of the connecting rod.

[0027] As a preferred technical solution in this embodiment, a rubber connecting strip 2 is fixedly connected between the first connecting rod 1 and the second connecting rod 3; the rubber connecting strip 2 has a certain elasticity, which can buffer the first connecting rod 1 and the second connecting rod 3 and prevent the first connecting rod 1 and the second connecting rod 3 from breaking.

[0028] As a preferred embodiment, the connecting assembly includes a first connecting shaft 4 and a second connecting shaft 5. The first connecting shaft 4 and the second connecting shaft 5 are respectively fixedly mounted on the rotating disk 7 and the second connecting rod 3. The first connecting shaft 4 and the second connecting shaft 5 are respectively provided with a smooth surface 9 and a threaded surface 10. The connecting block 101 is sleeved on the smooth surface 9 of the first connecting shaft 4 and rotatably connected to the first connecting shaft 4. The crankshaft 8 is sleeved on the smooth surface 9 of the second connecting shaft 5 and rotatably connected to the second connecting shaft 5. The threaded surfaces 10 of the first connecting shaft 4 and the second connecting shaft 5 are each provided with a fixing nut 6. The smooth surface 9 on the connecting shaft is used to realize the rotation of the connecting block 101 and the second connecting rod 3, and the threaded surface 10 is used to install the fixing nut 6. The rotating disk 7, the connecting block 101, the first connecting rod 1 and the second connecting rod 3 are connected by the fixing nut 6.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A connecting rod structure for an automotive air conditioning damper, comprising a first connecting rod (1), a second connecting rod (3), a rotating disk (7), and a crankshaft (8), characterized in that, A connecting block (101) is provided at one end of the first connecting rod (1), and a buffer assembly is provided between the first connecting rod (1) and the connecting block (101). A connecting assembly is provided on both the connecting block (101) and the second connecting rod (3). The connecting block (101) and the second connecting rod (3) are connected to the rotating disk (7) and the crankshaft (8) respectively through the connecting assembly.

2. The automotive air conditioning damper linkage structure according to claim 1, characterized in that, The buffer assembly includes an elastic rotating assembly disposed on the connecting block (101). The elastic rotating assembly includes a rotating shaft (11). A connecting piece (14) is fixedly installed at one end of the first connecting rod (1). The connecting piece (14) is fixedly connected to the rotating shaft (11).

3. The automotive air conditioning damper linkage structure according to claim 2, characterized in that, The elastic rotating assembly also includes two sleeves (12), which are fixedly mounted on the connecting block (101). Both ends of the rotating shaft (11) are rotatably connected to the sleeves (12). Each of the two sleeves (12) is provided with a torsion spring (15). One end of the torsion spring (15) is fixedly connected to the sleeve (12), and the other end of the torsion spring (15) is fixedly connected to the rotating shaft (11).

4. The automotive air conditioning damper linkage structure according to claim 1, characterized in that, Limiting plates (13) are fixedly installed on both sides of the connecting block (101), and the limiting plates (13) are located on both sides of the first connecting rod (1).

5. The automotive air conditioning damper linkage structure according to claim 1, characterized in that, A rubber connecting strip (2) is fixedly connected between the first connecting rod (1) and the second connecting rod (3).

6. The automotive air conditioning damper linkage structure according to claim 1, characterized in that, The connecting assembly includes a first connecting shaft (4) and a second connecting shaft (5). The first connecting shaft (4) and the second connecting shaft (5) are respectively fixedly mounted on the rotating disk (7) and the second connecting rod (3). The first connecting shaft (4) and the second connecting shaft (5) are respectively provided with a smooth surface (9) and a threaded surface (10). The connecting block (101) is sleeved on the smooth surface (9) of the first connecting shaft (4) and rotatably connected to the first connecting shaft (4). The crankshaft (8) is sleeved on the smooth surface (9) of the second connecting shaft (5) and rotatably connected to the second connecting shaft (5). The threaded surfaces (10) of the first connecting shaft (4) and the second connecting shaft (5) are each provided with a fixing nut (6).

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