Abnormal sound prevention structure for split handrail

Abstract

The utility model provides an abnormal sound prevention structure for a split handrail, which comprises a handrail upper cover, a handrail lower cover and a handrail base, the handrail lower cover is provided with a through hole and a boss, the boss is connected with the handrail base, and the through hole is concentric with a rotating shaft; when the split handrail is in a closed state, the handrail cover plate is locked by the spring bolt, and the torsion spring is in a torsion tightening state at the moment; the armrest lower cover and the armrest base are locked, at the moment, the boss exerts pressure on the armrest base to increase the friction force between the armrest lower cover and the armrest base, the Y-direction movement of the armrest is prevented, and meanwhile, the armrest lower cover, the armrest base and the rotating shaft are prevented from colliding and vibrating; shaking and abnormal sound are controlled through the structure, the welding technology requirement is lowered, the state is more stable in the mass production process, meanwhile, repeated shaft hole fitting is not needed, and the mold requirement and cost are lowered.

Description

Technical Field

[0001] This utility model belongs to the field of automotive armrest technology, and in particular relates to a structure for preventing abnormal noise in a split armrest. Background Technology

[0002] The center armrest of a car, also known as a car armrest, was originally designed to provide elbow support for passengers. Later, it evolved into an in-car storage box, including an armrest panel, which facilitates conversation, work, and reading documents.

[0003] The upper and lower covers of a car armrest are fixed together by welding, with the lower cover moving with the upper cover. A pivot hole runs through the armrest frame base and the upper cover, keeping the armrest frame base and pivot stationary while the upper cover moves around the pivot. A certain gap needs to be maintained between the upper cover's pivot hole and the pivot to ensure proper opening and use. However, due to this gap, a collision noise occurs between the upper cover's pivot hole and the pivot when the vehicle is test-driven on cobblestone or other rough roads. Typically, to solve this noise problem, the gap between the pivot and the pivot hole needs to be adjusted to 0.02mm, which places excessively high demands on welding processes and injection molds, making it difficult to achieve. Therefore, this invention proposes a noise-preventing structure for split-opening armrests to address the aforementioned problem. Utility Model Content

[0004] This utility model provides a structure for preventing abnormal noise in a split handrail, aiming to solve the problems mentioned in the background art.

[0005] This utility model is implemented as follows: a structure for preventing abnormal noise in a split handrail, comprising an upper handrail cover, a lower handrail cover, and a handrail base;

[0006] The upper cover of the armrest is provided with two pivots, and the base of the armrest is provided with four lugs arranged in a matrix. Each end of the pivot passes through one lug. The lower cover of the armrest is provided with a through hole and a boss. The boss is connected to the base of the armrest, and the through hole is concentric with the pivot.

[0007] When the handrail is in the closed state, the lower cover of the handrail and the handrail base are locked. At this time, the boss applies pressure to the handrail base, increasing the friction between the lower cover of the handrail and the handrail base, preventing the handrail from moving in the Y direction, and at the same time preventing the lower cover of the handrail, the handrail base and the pivot from colliding and vibrating with each other.

[0008] Preferably, the upper armrest cover and the lower armrest cover are fixed by welding and snap-fitting.

[0009] Preferably, the armrest cover is provided with a shaft hole, a damper is provided in the shaft hole, and the rotating shaft passes through the damper.

[0010] Preferably, a torsion spring is fitted onto the end of the rotating shaft away from the damper.

[0011] Preferably, it also includes a locking tongue, which locks the upper cover and lower cover of the armrest when the armrest is in the closed state, and the torsion spring is in a torsional and taut state at this time.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This structure includes an upper armrest cover, a lower armrest cover, and an armrest base. The lower armrest cover has a through hole and a boss, which connects to the armrest base. The through hole is concentric with the pivot. When the split armrest is closed, the armrest cover is locked by a latch, and the torsion spring is in a torsional tension. The lower armrest cover and the armrest base are locked together. At this time, the boss applies pressure to the armrest base, increasing the friction between the lower armrest cover and the armrest base, preventing the armrest from moving in the Y direction, and preventing the lower armrest cover, the armrest base, and the pivot from colliding and vibrating. By controlling the shaking and noise through the structure, the welding process requirements are reduced, the condition is more stable during mass production, and there is no need to repeatedly check and match the pivot hole, reducing mold requirements and costs. Attached Figure Description

[0014] Figure 1 This is a three-dimensional view of the overall structure of this utility model;

[0015] Figure 2 This is a front sectional view of the overall structure of this utility model;

[0016] Figure 3 This is a perspective view of the lower cover of the armrest in this utility model.

[0017] Figure 4 This is a schematic diagram of the boss structure in this utility model;

[0018] Figure 5 This is a cross-sectional view of the overall structure of this utility model;

[0019] Figure 6 This is a schematic diagram showing the connection between the lower cover of the handrail, the handrail base, and the rotating shaft in this utility model;

[0020] Figure 7 This is a schematic diagram showing the connection of the central shaft hole, damping, and rotating shaft of this utility model.

[0021] In the picture:

[0022] 1. Armrest top cover; 2. Armrest bottom cover; 3. Armrest base; 4. Boss; 5. Spindle. Detailed Implementation

[0023] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0024] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0025] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0026] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Please see Figures 1 to 7 This utility model provides a technical solution: a structure for preventing abnormal noise in a split handrail, including an upper handrail cover 1, a lower handrail cover 2, and a handrail base 3; the upper handrail cover 1 is provided with two rotating shafts 5, and the handrail base 3 is provided with four shaft lugs distributed in a matrix, wherein each end of the rotating shaft 5 passes through a shaft lug; the lower handrail cover 2 is provided with a through hole and a boss 4, the boss 4 is connected to the handrail base 3, and the through hole is concentric with the rotating shaft 5; when the handrail is in the closed state, the lower handrail cover 2 and the handrail base 3 are locked, at which time the boss 4 applies pressure to the handrail base 3 to increase the friction between the lower handrail cover 2 and the handrail base 3, preventing the handrail from moving in the Y direction, and at the same time preventing the lower handrail cover 2, the handrail base 3, and the rotating shafts 5 from colliding and vibrating with each other.

[0029] For further details, please refer to Figure 6 The armrest cover 1 has a shaft hole, and a damper is installed in the shaft hole. The rotating shaft 5 passes through the damper.

[0030] For further details, please refer to Figure 1 and Figure 2 A torsion spring is fitted at the end of the rotating shaft 5 away from the damper.

[0031] In this embodiment, the armrest base 3 is fixedly installed on the vehicle's auxiliary instrument panel. The armrest upper cover 1 has a shaft hole and a rotating shaft 5. A damper is installed in the shaft hole, and the rotating shaft 5 passes through the damper. The armrest base 3 has four shaft lugs arranged in a matrix. One shaft lug passes through each end of the rotating shaft 5, and a torsion spring is fitted on the end of the rotating shaft 5 away from the damper. It also includes a locking tongue, which is used to lock the armrest lower cover 2. The armrest base 3 is fixed on the auxiliary instrument panel and is the carrier of the entire split armrest, controlling the position of the split armrest on the entire auxiliary instrument panel. The armrest upper cover 1 and the armrest lower cover 2 form an armrest cover plate, which are fixed by welding. The through hole of the armrest lower cover 2 is concentric with the rotating shaft 5, and a 0.1mm gap is provided around the perimeter.

[0032] When the split handrail is closed, the handrail cover is locked by the latch, and the torsion spring is in a torsional taut state. The handrail lower cover 2 and the handrail base 3 are locked. At this time, the boss 4 applies pressure to the handrail base 3, increasing the friction between the handrail lower cover 2 and the handrail base 3, preventing the handrail from moving in the Y direction, and preventing the handrail lower cover 2, handrail base 3 and rotating shaft 5 from colliding and vibrating with each other. By controlling the shaking and abnormal noise through the structure, the welding process requirements are reduced, the state is more stable during mass production, and there is no need to repeatedly check the shaft hole, which reduces the mold requirements and costs.

[0033] For further details, please refer to Figure 1 and Figure 2 The upper cover 1 and the lower cover 2 of the handrail are fixed by welding.

[0034] In this embodiment, the upper armrest cover 1 and the lower armrest cover 2 are fixed by welding and snapping, and the position of the lower armrest cover 2 moves with the upper armrest cover 1.

[0035] For further details, please refer to Figure 1 It also includes a locking tongue. When the armrest is in the closed state, the upper cover 1 and the lower cover 2 of the armrest are locked by the locking tongue, and the torsion spring is in a torsional and taut state.

[0036] In this embodiment, when the split handrail is in the closed state, the handrail cover is locked by the latch, and the torsion spring is in a torsional and taut state.

[0037] The working principle and usage process of this utility model are as follows: When the split handrail is in the closed state, the handrail cover is locked by the locking tongue, and the torsion spring is in a torsional and taut state; the handrail lower cover 2 and the handrail base 3 are locked, and the boss 4 applies pressure to the handrail base 3 to increase the friction between the handrail lower cover 2 and the handrail base 3, preventing the handrail from moving in the Y direction, and at the same time preventing the handrail lower cover 2, the handrail base 3 and the rotating shaft 5 from colliding and vibrating with each other; by controlling the shaking and abnormal noise through the structure, the welding process requirements are reduced, the state is more stable during mass production, and there is no need to repeatedly check and match the shaft hole, which reduces the mold requirements and costs.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A structure for preventing abnormal noise in a split handrail, characterized in that: It includes an upper armrest cover (1), a lower armrest cover (2), and an armrest base (3); The upper cover (1) of the armrest is provided with two rotating shafts (5), and the base (3) of the armrest is provided with four shaft lugs arranged in a matrix. Each end of the rotating shaft (5) passes through one of the shaft lugs. The lower cover (2) of the armrest is provided with a through hole and a boss (4). The boss (4) is connected to the base (3) of the armrest, and the through hole is concentric with the rotating shaft (5). When the handrail is in the closed state, the handrail cover (2) and the handrail base (3) are locked. At this time, the boss (4) applies pressure to the handrail base (3) to increase the friction between the handrail cover (2) and the handrail base (3), preventing the handrail from moving in the Y direction, and at the same time preventing the handrail cover (2), the handrail base (3) and the rotating shaft (5) from colliding and vibrating with each other.

2. The anti-noise structure for a split handrail according to claim 1, characterized in that: The upper cover (1) and lower cover (2) of the armrest are fixed by welding.

3. The anti-noise structure for a split handrail according to claim 1, characterized in that: The armrest cover (1) is provided with a shaft hole, and a damper is provided in the shaft hole. The rotating shaft (5) passes through the damper.

4. The anti-noise structure for a split handrail according to claim 3, characterized in that: A torsion spring is fitted at the end of the rotating shaft (5) away from the damper.

5. The anti-noise structure for a split handrail according to claim 4, characterized in that: It also includes a locking tongue. When the armrest is in the closed state, the upper cover (1) and the lower cover (2) of the armrest are locked by the locking tongue, and the torsion spring is in a torsional and taut state at this time.

Images