Locking structure for preventing hard closing of armrest

By designing a locking mechanism and an anti-hard closing locking assembly in the car armrest box, the armrest is prevented from automatically retracting through synergy, solving the problem of the armrest hard closing and improving the user experience.

CN223340506UActive Publication Date: 2025-09-16GRAMMER VEHICLE INTERIORS (HEFEI) CO LTD
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Patent Information

Application Number
CN202422114943.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-09-16
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

The existing car armrest box is closed by force after being unlocked, resulting in a hard closure, which affects comfort.

Method used

A locking structure is designed to prevent the armrest from closing hard, including a locking mechanism on the middle reinforcement plate of the armrest and an anti-hard closing locking assembly. Through the coordinated action of the pressing assembly, the rotating assembly and the locking assembly, the pressing assembly is prevented from automatically retreating, thereby achieving buffered locking of the armrest.

Benefits of technology

It solves the problem of hard closing of the armrest, improves the closing feel, and enhances the user experience.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223340506U_ABST
    Figure CN223340506U_ABST
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Abstract

A locking structure for preventing hard closing of an armrest comprises an armrest middle reinforcing plate, two sets of oppositely-arranged locking mechanisms are arranged on the armrest middle reinforcing plate, each locking mechanism comprises a pressing assembly, a rotating assembly, a first locking assembly and a second locking assembly, the pressing assemblies are used for driving the rotating assemblies to rotate, and the rotating assemblies are used for driving the first locking assemblies to rotate. The first locking assembly and the second locking assembly are driven by the other end of the rotating assembly to perform unlocking action; a hard closing prevention locking assembly is further arranged on the armrest middle reinforcing plate, when the pressing assembly drives the rotating assembly to rotate, locking is conducted through the hard closing prevention locking assembly, and the pressing assembly is prevented from automatically returning; the hard closing prevention locking assembly comprises a locking support rotationally arranged on the armrest middle reinforcing plate, the movable end of the locking support is located on the upper side of the pressing assembly, a lock hole is formed in the armrest middle reinforcing plate, and the movable end of the locking support is matched with the lock hole.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to a locking structure for preventing an armrest from being hard closed. Background Art

[0002] The car armrest box is used to provide a space for storing items in the car. In order to facilitate the driver and passengers to take and put items, the armrest box is opened by unlocking the internal locking structure. At present, the armrest box is opened by manually pressing the unlock button. However, after pressing the unlock button, the unlock button and the internal mechanism will be driven by the action inside to perform a forced action and then reset to close the armrest. This method causes the problem of hard closing of the armrest, as if it is forcibly closed by a strong action, which makes the armrest feel uncomfortable when closed. Utility Model Content

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a locking structure that prevents the armrest from being hard closed, thereby solving the above-mentioned defects.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A locking structure for preventing an armrest from being hard closed comprises an armrest intermediate reinforcement plate, the intermediate reinforcement plate being provided with two sets of oppositely arranged locking mechanisms, the locking mechanisms comprising a pressing assembly, a rotating assembly, a first locking assembly, and a second locking assembly. The pressing assembly is used to drive the rotating assembly to rotate, and the other end of the rotating assembly drives the first locking assembly and the second locking assembly to unlock.

[0006] An anti-hard closing locking assembly is also provided on the middle reinforcing plate of the armrest. When the pressing assembly drives the rotating assembly to rotate, the anti-hard closing locking assembly is used to lock the pressing assembly to prevent it from automatically retreating.

[0007] In one or more embodiments of the present invention, the anti-hard closing locking assembly includes a locking bracket rotatably arranged on the middle reinforcement plate of the armrest, the movable end of the locking bracket is located on the upper side of the pressing assembly, a locking hole is provided on the middle reinforcement plate of the armrest, and the movable end of the locking bracket is adapted to the locking hole.

[0008] In one or more embodiments of the present invention, the pressing assembly includes an armrest button frame fixed on the middle reinforcing plate of the armrest, an armrest button is slidingly arranged in the armrest button frame, a first locking slide is movably arranged on the inner end of the armrest button, and the input end of the rotating assembly is installed on the first locking slide; the middle reinforcing plate of the armrest has an upwardly protruding boss, and a first return spring is arranged between the armrest button frame and the boss; the middle reinforcing plate of the armrest has a protruding first block, and a first sliding groove is provided on the first locking slide, the first block is located in the first sliding groove, a second return spring is arranged in the first sliding groove, and one end of the second return spring abuts against the side of the first block.

[0009] In one or more embodiments of the present invention, a locking groove is provided on one side of the first locking slide, and a limiting protrusion is provided on the inner side of the bending part of the locking bracket. The limiting protrusion is adapted to the locking groove, and when the locking groove moves to the position of the limiting protrusion, the position of the first locking slide is limited and fixed.

[0010] In one or more embodiments of the present invention, there are two mounting blocks on the middle reinforcement plate of the armrest, and a rotating rod is fixed through one end of the locking bracket, and both sides of the rotating rod are rotatably arranged in the mounting blocks; a fixing ring is also fixed on the rotating rod, and a compression spring is fixedly installed on the fixing ring, one end of the compression spring rests on the upper side of the locking bracket, and the other end of the compression spring rests on the middle reinforcement plate of the armrest.

[0011] Beneficial effects of the utility model:

[0012] The utility model proposes a locking structure that prevents the armrest from being hard closed by setting an anti-hard closing locking assembly. When the armrest is unlocked, the pressing assembly moves inwardly under the action of manpower, and is limited and fixed by the anti-hard closing locking assembly after moving to a preset position, so that the pressing assembly, the rotating assembly, the first locking assembly and the second locking assembly are maintained in the moved position. When the armrest is closed, the buffer pad on the armrest frame contacts the lock head end of the anti-hard closing locking assembly, so that the locking state is contacted, so that the pressing assembly, the rotating assembly, the first locking assembly and the second locking assembly are restored to the initial state, so that the armrest is completely locked. After using this structure, the pressing assembly will not rebound immediately, so that there is no need to close it forcefully when closing the armrest, thereby solving the problem of the armrest being hard closed. The structure is simple in design, easy to assemble, reliable in structure, compact in space, can solve the problem of the armrest being hard closed, improves the closing feel of the armrest, and improves customer satisfaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention after removing the coating layer;

[0014] Figure 2 yes Figure 1 A top view of

[0015] Figure 3 yes Figure 2 A magnified view of point A in the figure;

[0016] Figure 4 It is a structural diagram of the locking bracket and the compression spring;

[0017] Figure 5 It is a structural diagram of the first locking slide plate. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various 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 utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] Example 1: Figures 1 to 5 As shown, a locking structure for preventing the armrest from hard closing includes an armrest middle reinforcement plate 1, and two sets of oppositely arranged locking mechanisms are provided on the armrest middle reinforcement plate 1, and the locking mechanisms include a pressing component, a rotating component, a first locking component and a second locking component. The pressing component is used to drive the rotating component to rotate, and the other end of the rotating component drives the first locking component and the second locking component to perform an unlocking action; an anti-hard closing locking component is also provided on the armrest middle reinforcement plate 1, and when the pressing component drives the rotating component to rotate, it is locked by the anti-hard closing locking component to prevent the pressing component from automatically retreating.

[0020] In this embodiment, due to the provision of the anti-hard closing locking assembly, when the armrest is unlocked, the pressing assembly moves inward under human power. After moving to a preset position, it is restrained and fixed by the anti-hard closing locking assembly, so that the pressing assembly, rotating assembly, first locking assembly, and second locking assembly remain in their moved positions. When the armrest is closed, the buffer pad on the armrest frame contacts the lock head end of the anti-hard closing locking assembly, causing the locking state to be contacted, causing the pressing assembly, rotating assembly, first locking assembly, and second locking assembly to return to their initial state, thus completing the locking of the armrest.

[0021] In one or more embodiments of the present invention, the anti-hard closing locking assembly includes a locking bracket 2 rotatably arranged on the middle reinforcement plate 1 of the armrest, the movable end of the locking bracket 2 is located on the upper side of the pressing assembly, and a lock hole is provided on the middle reinforcement plate 1 of the armrest, and the movable end of the locking bracket 2 is adapted to the lock hole.

[0022] In this embodiment, the movable end of the locking bracket 2 is always located in the locking hole.

[0023] In one or more embodiments of the present invention, the pressing assembly includes an armrest button frame fixed on the middle reinforcing plate 1 of the armrest, an armrest button 3 is slidingly arranged in the armrest button frame, and a first locking slide 4 is movably arranged on the inner end of the armrest button 3, and the input end of the rotating assembly is installed on the first locking slide 4; the middle reinforcing plate 1 of the armrest has an upwardly protruding boss, and a first return spring is arranged between the armrest button frame and the boss; the middle reinforcing plate 1 of the armrest has a protruding first block, and a first sliding groove is opened on the first locking slide 4, the first block is located in the first sliding groove, and a second return spring is arranged in the first sliding groove, and one end of the second return spring abuts against the side of the first block.

[0024] In this embodiment, a rectangular groove is formed within the armrest button 3. A first spring column is disposed within the rectangular groove. One end of the first return spring is sleeved onto the first spring column, while the other end abuts the side of the protrusion. The provision of the first return spring facilitates the reset of the armrest button 3. A second spring column is disposed within the first chute. One end of the second return spring is sleeved onto the second spring column, while the other end abuts the side of the first protrusion. The provision of the second return spring facilitates the reset of the first locking slide 4. External force drives the armrest button 3, which drives the first locking slide 4 in the Y-axis direction, thereby causing the rotating assembly to rotate during movement. The provision of the first protrusion limits the travel of the first locking slide 4. The locking bracket 2 is located above the first locking slide 4.

[0025] In one or more embodiments of the present invention, a locking groove 41 is provided on one side of the first locking slide 4, and a limiting protrusion 21 is provided on the inner side of the bending part of the locking bracket 2. The limiting protrusion 21 is adapted to the locking groove 41. When the locking groove 41 moves to the position of the limiting protrusion 21, the position of the first locking slide 4 is limited and fixed.

[0026] In this embodiment, the locking groove 41 is located in the length direction of the first locking slide plate 4 and is close to the locking hole.

[0027] In one or more embodiments of the present invention, there are two mounting blocks on the middle reinforcing plate 1 of the armrest, and a rotating rod 22 is fixed through one end of the locking bracket 2, and both sides of the rotating rod 22 are respectively rotatably arranged in the mounting blocks; a fixing ring is also fixed on the rotating rod 22, and a compression spring 7 is fixedly installed on the fixing ring, one end of the compression spring 7 is against the upper side of the locking bracket 2, and the other end of the compression spring 7 is against the middle reinforcing plate 1 of the armrest.

[0028] In this embodiment, the locking end of the locking bracket 2 can be locked in the lock hole by the provision of the compression spring 7. When the locking groove 41 moves to a predetermined position following the first locking slide plate 4, the limiting protrusion 21 of the locking bracket 2 is engaged in the locking groove 4 under the elastic force of the compression spring 7, so that the locking mechanism of the entire armrest is limited and fixed. When the user presses the armrest button 3, it will not rebound immediately, so that there is no need to forcefully close the armrest when closing it, thereby solving the problem of the armrest being hard-closed. When it is necessary to reset the armrest, when closing the armrest, the locking end of the locking bracket 2 located in the lock hole will be contacted and abutted by the buffer pad on the armrest frame, so that the limiting protrusion 21 is separated from the locking groove 41.

[0029] In one or more embodiments of the present invention, two limit grooves are provided on the armrest button frame, and two raised triangular blocks are provided on the upper side of the armrest button 3, and the sliding stroke of the triangular blocks is limited to the limit grooves; a plurality of first limit seats 102 are provided on the middle reinforcing plate 1 of the armrest, and the plurality of first limit seats are evenly distributed in two rows, and a first limit step is formed on the inner side of the first limit seat, and both sides of the first locking slide 4 are located in the first limit step.

[0030] In this embodiment, the triangular block is integrated with the protruding part of the armrest button 3, and a step surface is formed at the connection between them, so that the armrest button 3 will not easily fall off from the armrest button frame, and due to the inclined surface of the triangular block, it is convenient to install inward; through the setting of two rows of first limit brackets 102, the moving direction of the first locking slide 4 is limited, so that its back and forth movement will not deviate.

[0031] In one or more embodiments of the present invention, the rotating assembly includes a front rotating member and a rear rotating member 8 rotatably arranged on the middle reinforcing plate 1 of the armrest, a first clamping hole is opened at one end of the front rotating member, and a first connecting column protruding upward is provided on the upper side of the other end of the front rotating member, and a second clamping hole and a third clamping hole are opened at both ends of the rear rotating member respectively, the second clamping hole is sleeved on the first connecting column, and the third clamping hole is used to connect the first locking assembly and the second locking assembly; a second locking slide plate 9 is also movably arranged on the middle reinforcing plate 1 of the armrest, a second connecting column is formed on the second locking slide plate 9, and the third clamping hole is sleeved on the second connecting column.

[0032] In this embodiment, the first locking slide 4 drives the front rotating part to rotate in the clockwise direction. Due to the linkage structure of the front rotating part and the rear rotating part 8, the rear rotating part 8 will rotate in the counterclockwise direction, and then the second locking slide 9 is driven to move by the rear rotating part 8. The moving direction of the second locking slide 9 is opposite to that of the first locking slide 4.

[0033] In one or more embodiments of the present invention, an arc-shaped groove is formed on the middle reinforcing plate 1 of the armrest, and the lower side of the other end of the front rotating member is slidably set in the arc-shaped groove; the front rotating member and the rear rotating member 8 are both rotated and fixed by the first bushing 10; the middle reinforcing plate 1 of the armrest has a raised second protrusion, and the second locking slide plate 9 is provided with a second sliding groove, the second protrusion is located in the second sliding groove, and a third return spring is provided in the second sliding groove, and one end of the third return spring abuts against the side of the second protrusion.

[0034] In this embodiment, the rotation of the front rotating member and the rear rotating member 8 is limited by the provision of an arc groove; the middle part of the front rotating member and the rear rotating member 8 is fixed by the first bushing 10, and the front rotating member and the rear rotating member 8 are rotated to a certain angle; a third spring column is provided in the second sliding groove, one end of the third return spring is sleeved on the third spring column, and the other end abuts against the side of the second protrusion. The provision of the third return spring makes it easy to reset the second locking slide plate 9.

[0035] In one or more embodiments of the present invention, there are several second limit seats on the middle reinforcing plate 1 of the armrest, and the several second limit seats are evenly distributed in two rows. The inner side of the second limit seat forms a second limit step, and the two sides of the second locking slide 9 are located in the second limit step; the edge of the middle reinforcing plate 1 of the armrest forms a limit protrusion, and the outer end of the second locking slide 9 forms a limit groove, and the limit protrusion corresponds to the limit groove.

[0036] In this embodiment, the second locking plate 9 has the same structure as the first locking plate 4. The second position-limiting bracket is provided to limit the movement of the second locking plate 9. When the second locking plate 9 is driven to move, its direction of movement is the same as that of the first locking plate 4.

[0037] In one or more embodiments of the present invention, the first locking assembly includes a first rotating transmission member 11 rotatably arranged on the middle reinforcement plate 1 of the armrest, the circumferential side surface of the first rotating transmission member 11 has a protruding first transmission arm and a second transmission arm, the lower side of the first transmission arm has a downwardly protruding first transmission column, the second locking slide plate 9 is provided with a first connecting groove, and the first transmission column is adapted to the first connecting groove; a bracket 12 is fixed on the middle reinforcement plate 1 of the armrest, a front axle 13 is slidingly arranged in the bracket 12, and one end of the front axle 13 is fixed to the second transmission arm; a fourth return spring is fixed between the first transmission arm and the limiting protrusion.

[0038] In this embodiment, the first rotating transmission member 11 is fixed by a second bushing. When the second locking slide plate 9 moves, the first rotating transmission member 11 is driven to rotate, so that the front axle 13 is pulled out, and the first fixed point between the armrest and the box body is disconnected, thereby unlocking.

[0039] In one or more embodiments of the present invention, the second locking assembly includes a second rotating transmission member 14 rotatably arranged on the middle reinforcement plate 1 of the armrest, the circumferential side surface of the second rotating transmission member 14 has a raised third transmission arm, a fourth transmission arm and a fifth transmission arm, the lower side of the third transmission arm has a second transmission column protruding downward, the second locking slide plate 9 is provided with a second connecting groove, and the second transmission column is adapted to the second connecting groove; the middle reinforcement plate 1 of the armrest has a raised fixed block, and a fifth return spring is fixed between the fourth transmission arm and the fixed block; the middle reinforcement plate 1 of the armrest is fixed with an armrest hinge support 15, and a rear axle 16 is slidingly provided in the outer end of the armrest hinge support 15, and one end of the rear axle 16 is fixed to the fifth transmission arm.

[0040] In this embodiment, the second rotating transmission member 14 is fixed by a third bushing. When the second locking slide plate 9 moves, the second rotating transmission member 14 is driven to rotate, so that the rear axle 16 is pulled out, and the second fixed point between the armrest and the box body is disconnected, thereby unlocking.

[0041] The side surfaces and upper side of the middle reinforcing plate 1 of the armrest are fixed with covering plates (not shown in the figure).

[0042] When the pressing assembly is driven by external force to move in the +Y direction, the first locking slide plate 4 moves in the +Y direction, driving the front rotating member 7 to rotate clockwise, and through the linkage structure of the front rotating member 7 and the rear rotating member 8, the rear rotating member 8 rotates counterclockwise, and then drives the second locking slide plate 9 to move in the +Y direction, respectively causing the first rotating transmission member 11 to rotate counterclockwise and the second rotating transmission member 15 to rotate clockwise, thereby causing the front axle 13 to move in the +X direction and the rear axle 18 to move in the -X direction, and finally completing the armrest opening action. At the same time as the above, the pressing assembly will be limited and fixed by the anti-hard closing locking assembly, so that the pressing assembly, rotating assembly, first locking assembly and second locking assembly remain in the moved position; when the armrest is closed, the buffer pad on the armrest frame contacts the lock head end of the anti-hard closing locking assembly, so that the locking state is contacted, so that the pressing assembly, rotating assembly, first locking assembly and second locking assembly are restored to the initial state, so that the armrest is locked.

[0043] In the description of the present invention, it should be noted that the terms "upper," "lower," "inner," "outer," "left," "right," and the like indicate positions or locations based on the positions shown in the accompanying drawings, or the positions or locations in which the product of the present invention is typically placed when in use, or the positions or locations commonly understood by those skilled in the art. These terms are intended solely to facilitate the description of the present invention and simplify the description, and are not intended to indicate or imply that the devices or components referred to must have a specific position, be constructed, or operate in a specific position. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, terms such as "disposed" and "connected" should be understood broadly. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection, an indirect connection through an intermediate medium, or internal communication between two components. A person of ordinary skill in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

Claims

1. A locking structure for preventing an armrest from being hard closed, comprising an armrest middle reinforcement plate (1), wherein the armrest middle reinforcement plate (1) is provided with two sets of locking mechanisms arranged opposite to each other, wherein the locking mechanisms comprise a pressing component, a rotating component, a first locking component and a second locking component, wherein the pressing component is used to drive the rotating component to rotate, and the other end of the rotating component drives the first locking component and the second locking component to perform an unlocking action, and is characterized in that: An anti-hard closing locking assembly is also provided on the middle reinforcing plate (1) of the armrest. When the pressing assembly drives the rotating assembly to rotate, the anti-hard closing locking assembly is used to lock the pressing assembly to prevent the pressing assembly from automatically retreating.

2. The locking structure for preventing the armrest from being hard closed according to claim 1, characterized in that: The anti-hard closing locking assembly comprises a locking bracket (2) rotatably arranged on the middle reinforcing plate (1) of the armrest, the movable end of the locking bracket (2) being located on the upper side of the pressing assembly, a locking hole being provided on the middle reinforcing plate (1) of the armrest, and the movable end of the locking bracket (2) being adapted to the locking hole.

3. The locking structure for preventing the armrest from being hard closed according to claim 2, characterized in that: The pressing component includes an armrest button frame fixed on the armrest middle reinforcement plate (1), an armrest button (3) is slidably arranged in the armrest button frame, a first locking slide plate (4) is movably arranged on the inner side end of the armrest button (3), and the input end of the rotating component is installed on the first locking slide plate (4); the armrest middle reinforcement plate (1) has an upwardly protruding boss, and a first return spring is arranged between the armrest button frame and the boss; the armrest middle reinforcement plate (1) has a protruding first protrusion, and the first locking slide plate (4) is provided with a first sliding groove, the first protrusion is located in the first sliding groove, and a second return spring is arranged in the first sliding groove, and one end of the second return spring abuts against the side surface of the first protrusion.

4. The locking structure for preventing the armrest from being hard closed according to claim 3, characterized in that: A locking groove (41) is provided on one side of the first locking slide plate (4), and a limiting protrusion (21) is provided on the inner side of the bent portion of the locking bracket (2). The limiting protrusion (21) is adapted to the locking groove (41), and when the locking groove (41) moves to the position of the limiting protrusion (21), the position of the first locking slide plate (4) is limited and fixed.

5. The locking structure for preventing the armrest from being hard closed according to claim 2, characterized in that: The middle reinforcing plate (1) of the armrest is provided with two mounting blocks, one end of the locking bracket (2) is penetrated and fixed with a rotating rod (22), and both sides of the rotating rod (22) are respectively rotatably arranged in the mounting blocks; a fixing ring is also sleeved and fixed on the rotating rod (22), and a compression spring (7) is fixedly installed on the fixing ring, one end of the compression spring (7) is against the upper side of the locking bracket (2), and the other end of the compression spring (7) is against the middle reinforcing plate (1) of the armrest.