Vehicle ceiling handle and vehicle

Abstract

The utility model provides a vehicle roof handle and a vehicle, and belongs to the technical field of vehicle parts. At least one end of the handle body is connected with the base through a telescopic device, and the end of the handle body can be close to or away from the base through the telescopic device; the telescopic device comprises a first rocker arm, a second rocker arm and a connecting rod arm, one end of the first rocker arm is hinged to the base, the other end of the first rocker arm is hinged to the connecting rod arm, one end of the second rocker arm is hinged to the base, and the other end of the second rocker arm is hinged to the connecting rod arm. The first rocker arm, the second rocker arm, the connecting rod arm and the base form a four-rod mechanism. The pull handle has the advantages that the pull handle body and the base are allowed to stretch and retract through the four-connecting-rod mechanism, the pull handle body can be in the retracting state of being tightly attached to the base when not used, the pull handle body can be stretched and pulled out when used, and the space in a vehicle is saved.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts technology, and relates to a car roof handle and a vehicle. Background Technology

[0002] A roof handle is a grabbing device installed on the roof of a vehicle. When passengers enter or exit the vehicle, they can use the roof handle for leverage to make it easier to get in and out of the vehicle. During aggressive driving, when cornering on mountain roads, passing through bumpy sections, or when braking suddenly, passengers can use the roof handle to stabilize their body posture and avoid swaying or collisions inside the vehicle.

[0003] Existing roof grab handles are generally divided into fixed and flip-up structures. These two common structures protrude from the vehicle's roof, not only occupying interior space but also increasing the risk of passengers' heads colliding with the grab handles. Currently, a very small number of retractable roof grab handles exist, such as a utility model patent application with application number CN202321963826.9 entitled "Safety Grab Handle." This grab handle uses a crank-slider structure to extend and retract the handle. However, the crank-slider structure is not well adapted to bumpy driving environments, so there is room for improvement. Utility Model Content

[0004] The purpose of this utility model is to address the aforementioned problems existing in the prior art by proposing a vehicle roof handle and a vehicle.

[0005] The objective of this utility model can be achieved through the following technical solution: a vehicle roof handle, comprising:

[0006] Base;

[0007] A handle body, at least one end of which is connected to the base via a telescopic device, wherein the end of the handle body can move closer to or further away from the base via the telescopic device;

[0008] The telescopic device includes a first rocker arm, a second rocker arm, and a connecting arm. One end of the first rocker arm is hinged to the base and the other end is hinged to the connecting arm. One end of the second rocker arm is hinged to the base and the other end is hinged to the connecting arm. The connecting arm is hinged to the handle body. The first rocker arm, the second rocker arm, the connecting arm, and the base constitute a four-bar linkage.

[0009] Preferably, the base is provided with two telescopic devices, and the two telescopic devices are respectively connected to both ends of the handle body.

[0010] Preferably, the two telescopic devices are arranged in a mirror image along the length of the base.

[0011] Preferably, the linkage arm has a first hinge portion, a second hinge portion, and a third hinge portion that are not collinear; the first rocker arm is hinged to the first hinge portion; the second rocker arm is hinged to the second hinge portion; and the end of the handle body is hinged to the third hinge portion.

[0012] Preferably, the line connecting the first hinge portion, the second hinge portion, and the third hinge portion forms a V-shaped broken line structure, the first hinge portion is located between the second hinge portion and the third hinge portion, the portion of the connecting arm located between the first hinge portion and the second hinge portion is a connecting rod portion, and the portion of the connecting arm located between the first hinge portion and the third hinge portion is an extension push-pull portion.

[0013] Preferably, the hinge point between the first rocker arm and the base is point A, the hinge point between the first rocker arm and the first hinge part is point B, the hinge point between the second rocker arm and the base is point C, the hinge point between the second rocker arm and the second hinge part is point D, and the hinge point between the third hinge part and the handle body is point E.

[0014] Among them, the length of line segment AB is greater than the length of line segment CD, the length of line segment BD is greater than the length of line segment AB, and the length of line segment BE is greater than the length of line segment BD.

[0015] Preferably, a torsion spring is provided on the hinge shaft between the first rocker arm and the second hinge portion. One end of the torsion spring abuts against the first rocker arm and the other end abuts against the connecting rod arm. The torsion spring applies a torque to the handle body through the telescopic device, causing it to tend to retract.

[0016] Preferably, a damper is provided between the first rocker arm and the base.

[0017] Preferably, the base includes a mounting frame and a top cover, the top cover covers the mounting frame, the telescopic device is installed inside the mounting frame, the top cover has an opening, and the extended push-pull portion passes through the opening through the top cover and is hinged to the handle body.

[0018] A vehicle includes the aforementioned roof handle, and also includes an inner roof located inside the vehicle, with a base fixedly connected to the inner roof.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] 1. The four-bar linkage allows for the extension and retraction of the handle body and the base, so that the handle body can be in a retracted state that is close to the base when not in use, and can be extended when in use, saving interior space and adapting well to bumpy driving environments.

[0021] 2. The telescopic device utilizes the principle of a four-bar linkage (double rocker mechanism) to support the handle body as it moves closer to the base (retracts) or further away from the base (extends). The four-bar structure cleverly replaces the common slider mechanism, and the structure is simpler and more reliable, while also offering advantages in durability, stability, and feel.

[0022] 3. The four-bar mechanism of this handle is a rigid rod system. The hinge point mainly bears the rotational load. The hinge design can effectively distribute the load and absorb the impact. This makes the entire handle stable when pulled down, returned to its original position, and when the vehicle is bumpy, without any shaking or looseness.

[0023] 4. The extended push-pull section is actually an extension of the linkage arm, which is used to hinge with the handle body. It cleverly amplifies the stroke of the handle body through the principle of geometric lever, allowing the handle body to obtain a greater stroke.

[0024] 5. Passengers can manually pull out the handle body; after use, the first rocker arm rotates under the action of the torsion spring, and the handle body is retracted through the telescopic device. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the internal structure of the vehicle roof handle of this utility model when it is extended.

[0026] Figure 2 This is a schematic diagram of the internal structure of the vehicle roof handle of this utility model when it retracts.

[0027] Figure 3 This is a schematic diagram of the telescopic device for extending the roof handle of the vehicle according to this utility model.

[0028] Figure 4 This is a schematic diagram of the telescopic device for retracting the roof handle of the vehicle according to this utility model.

[0029] Figure 5 This is a schematic diagram of the vehicle roof handle of this utility model when extended.

[0030] Figure 6 This is a schematic diagram of the retracted roof handle of the vehicle according to this utility model.

[0031] Figure 7 This is a schematic diagram of the four-bar structure of the vehicle roof handle of this utility model when extended.

[0032] Figure 8 This is a schematic diagram of the four-bar structure of the vehicle roof handle of this utility model when it retracts.

[0033] In the diagram, 100 is the base; 110 is the mounting bracket; 120 is the top cover; 121 is the opening; 200 is the handle body; 300 is the telescopic device; 310 is the first rocker arm; 320 is the second rocker arm; 330 is the connecting rod arm; 331 is the first hinge; 332 is the second hinge; 333 is the third hinge; 340 is the torsion spring; and 350 is the damper. Detailed Implementation

[0034] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0035] like Figures 1 to 8 As shown, a car roof handle includes:

[0036] Base 100;

[0037] The handle body 200 is connected to the base 100 by a telescopic device 300 at least one end of the handle body 200. The end of the handle body 200 can move closer to or further away from the base 100 via the telescopic device 300.

[0038] The telescopic device 300 includes a first rocker arm 310, a second rocker arm 320, and a connecting arm 330. One end of the first rocker arm 310 is hinged to the base 100 and the other end is hinged to the connecting arm 330. One end of the second rocker arm 320 is hinged to the base 100 and the other end is hinged to the connecting arm 330. The connecting arm 330 is hinged to the handle body 200. The first rocker arm 310, the second rocker arm 320, the connecting arm 330, and the base 100 constitute a four-bar linkage.

[0039] The base 100 serves as the fixed foundation for the entire handle, directly mounted on the interior headliner of the vehicle. The base 100 provides a support point for the entire handle and a fixed mounting hinge point for the four-bar linkage. The handle body 200 is the part that passengers actually grip. The handle body 200 can move closer to or further away from the base 100, allowing it to extend and retract. The advantages of this retractable design are: when not in use, the handle body 200 automatically retracts to a position close to the base 100, reducing its impact on interior space; and when retracted, it is flush with the interior headliner, ensuring that passengers' heads will not collide with the handle body 200, while also improving aesthetics; when the handle is needed, passengers can manually pull out the handle body 200 and grip it.

[0040] At least one end of the handle body 200 is connected to the base 100 via a telescopic device 300. This design has the following two embodiments:

[0041] Example 1:

[0042] In Embodiment 1, the base 100 is provided with two telescopic devices 300, which are respectively connected to both ends of the handle body 200. The two telescopic devices 300 are arranged in a mirror image along the length of the base 100. This means that both ends of the handle body 200 are connected to the base 100 through the two telescopic devices 300, ensuring the consistency of the telescopic movement of the handle body 200.

[0043] Example 2:

[0044] In Embodiment 2, only one end of the handle body 200 is connected to the base 100 via the telescopic device 300, and the other end of the handle body 200 can be connected to the base 100 via other telescopic or hinged structures.

[0045] Embodiments 1 and 2 cover all handle designs that possess the core feature of "using a four-bar telescopic device 300 at at least one connection point between the handle body 200 and the base 100". Regardless of whether the other end uses the same device, a different device, a hinge, or other structures (as long as rotation or fixed engagement can be achieved), as long as one end uses this telescopic device 300, it falls within the protection scope of this design.

[0046] The core design of this handle lies in the telescopic device 300. The telescopic device 300 utilizes the principle of a four-bar linkage (dual rocker mechanism) to support the handle body 200 as it moves closer to (retracts) or further away from the base 100 (extends). It is important to note that the four-bar structure cleverly replaces the common slider mechanism, resulting in a simpler and more reliable structure, as well as superior durability, stability, and feel.

[0047] In this design, the first rocker arm 310 and the second rocker arm 320 are actually two rockers of a four-bar linkage (double rocker mechanism) (i.e., the first rocker arm 310 and the second rocker arm 320 can only rotate within a limited angle). The base 100 is actually the frame of the four-bar linkage, and the connecting arm 330 is the connecting rod of the four-bar linkage. The handle body 200 and the telescopic device 300 are linked together. When the telescopic device 300 moves, the movement trajectory of the hinge point between the connecting arm 330 and the end of the handle body 200 is a straight line or approximately a straight line, thereby enabling the handle body 200 to extend and retract along a predetermined trajectory.

[0048] The four-bar linkage allows the handle body 200 and the base 100 to extend and retract, so that the handle body 200 can be in a retracted state that is close to the base 100 when not in use, and can be extended and pulled out when in use, saving interior space and adapting well to bumpy driving environments.

[0049] It should be noted that some handles use a crank-slider mechanism to achieve the telescopic effect. However, the guide rail of the crank-slider mechanism requires high manufacturing precision to ensure smooth slider movement. In the bumpy environment of a car, the guide rail is prone to deformation or uneven force, causing the slider to jam or wobble, producing abnormal noise and affecting the feel. In contrast, the four-bar mechanism of this handle (especially the double rocker design) is a rigid linkage system. The hinge point mainly bears the rotational load, and the hinge design can effectively distribute the load and absorb the impact. This makes the entire handle stable when pulled down, returned to its original position, and when the vehicle is bumpy, without any wobbling or looseness.

[0050] Based on the above embodiment, the linkage arm 330 has a non-collinear first hinge portion 331, a second hinge portion 332, and a third hinge portion 333. The first rocker arm 310 is hinged to the first hinge portion 331, the second rocker arm 320 is hinged to the second hinge portion 332, and the end of the handle body 200 is hinged to the third hinge portion 333. The purpose of the three non-collinear design is to make the movement trajectory of the third hinge portion 333 (handle body 200) as close as possible to a vertical straight line.

[0051] Based on the above embodiment, the line connecting the first hinge portion 331, the second hinge portion 332, and the third hinge portion 333 forms a V-shaped broken line structure. The first hinge portion 331 is located between the second hinge portion 332 and the third hinge portion 333. The part of the connecting arm 330 located between the first hinge portion 331 and the second hinge portion 332 is the connecting rod portion, and the part of the connecting arm 330 located between the first hinge portion 331 and the third hinge portion 333 is the extended push-pull portion.

[0052] According to its function, the linkage arm 330 can be divided into a linkage section and an extension push-pull section. The linkage section is hinged to the two rocker arms to form a four-bar linkage. The extension push-pull section is actually an extension of the linkage arm 330, which is used to hinge to the handle body 200. It cleverly amplifies the stroke of the handle body 200 through the principle of geometric levers, enabling the handle body 200 to obtain a greater stroke.

[0053] like Figures 1 to 4 , Figure 7 , Figure 8 As shown, based on the above embodiment, the hinge point between the first rocker arm 310 and the base 100 is point A, the hinge point between the first rocker arm 310 and the first hinge part 331 is point B, the hinge point between the second rocker arm 320 and the base 100 is point C, the hinge point between the second rocker arm 320 and the second hinge part 332 is point D, and the hinge point between the third hinge part 333 and the handle body 200 is point E.

[0054] Among them, the length of line segment AB is greater than the length of line segment CD, the length of line segment BD is greater than the length of line segment AB, and the length of line segment BE is greater than the length of line segment BD.

[0055] Specifically, the length of the first rocker arm 310 is greater than the length of the second rocker arm 320, the length of the connecting rod is greater than the length of the first rocker arm 310, and the length of the extended push-pull part is greater than the length of the connecting rod. This design enables the movement trajectory of the hinge point (point E) between the third hinge part 333 and the handle body 200 to tend towards a vertical straight line.

[0056] By further defining the four-bar linkage as described above, the motion trajectory of point E (which can be considered the end of the handle body 200) can be optimized, making the actual motion trajectory of point E a composite motion trajectory that includes both straight lines and curves. Specifically, the motion trajectory of point E includes both straight and curved segments. The handle body 200 can adopt a non-rigid structure, which means that the handle body 200 has a certain ability to arch and deform (i.e., the distance between the two ends of the handle body 200 can be shortened). As the handle body 200 moves from the retracted position to the extended position, point E passes through a straight segment and a curved segment in sequence. This means that most of the travel of point E is a straight trajectory, while the end of the travel of point E is a curved trajectory. This allows the handle body 200 to arch slightly when fully extended (i.e., the distance between the two ends of the handle body 200 decreases) to provide a better grip. When the handle body 200 retracts, it flattens out (i.e., the distance between the two ends of the handle body 200 increases), so that the surface contour of the handle body 200 is flush with the inner top after it is in the retracted state.

[0057] like Figure 2 As shown, based on the above embodiment, a torsion spring 340 is provided on the hinge shaft between the first rocker arm 310 and the second hinge portion 332 of the connecting rod arm 330. One end of the torsion spring 340 abuts against the first rocker arm 310 and the other end abuts against the connecting rod arm 330. The torsion spring 340 applies a torque to the handle body 200 through the telescopic device 300, causing it to tend to retract.

[0058] The purpose of designing the torsion spring 340 is to enable the handle body 200 to automatically retract and reset. In actual use, passengers can manually pull out the handle body 200; after use, under the action of the torsion spring 340, the first rocker arm 310 rotates, which drives the handle body 200 to retract through the telescopic device 300.

[0059] like Figures 1 to 3 As shown, based on the above embodiment, a damper 350 is provided between the first rocker arm 310 and the base 100. The function of the damper 350 is to limit the movement speed of the handle body 200, so that the handle body 200 moves as smoothly as possible, especially to slow down the retraction speed of the handle body 200 and suppress rebound impact.

[0060] like Figures 1 to 3 , Figure 5 As shown, based on the above embodiment, the base 100 includes a mounting frame 110 and a top cover 120. The top cover 120 covers the mounting frame 110, and the telescopic device 300 is installed inside the mounting frame 110. The top cover 120 has an opening 121, and the extended push-pull part passes through the opening 121 and is hinged to the handle body 200.

[0061] like Figures 1 to 8 As shown, based on the above embodiments, a vehicle includes a roof handle and an inner roof located inside the vehicle, with a base 100 fixedly connected to the inner roof.

[0062] The inner roof is located at the top of the vehicle body. A roof handle is installed near the door on the inner roof. When passengers enter or exit the vehicle, they can use the roof handle for leverage to make it easier to get in and out of the vehicle. During aggressive driving, cornering on mountain roads, passing through bumpy sections, and sudden braking, passengers can use the roof handle to stabilize their body posture and avoid swaying or collisions inside the vehicle.

[0063] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0064] Furthermore, in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0065] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0066] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

Claims

1. A car roof handle, characterized in that, include: Base (100); A handle body (200), at least one end of which is connected to the base (100) via a telescopic device (300), wherein the end of the handle body (200) can move closer to or further away from the base (100) via the telescopic device (300); The telescopic device (300) includes a first rocker arm (310), a second rocker arm (320), and a connecting arm (330). One end of the first rocker arm (310) is hinged to the base (100) and the other end is hinged to the connecting arm (330). One end of the second rocker arm (320) is hinged to the base (100) and the other end is hinged to the connecting arm (330). The connecting arm (330) is hinged to the handle body (200). The first rocker arm (310), the second rocker arm (320), the connecting arm (330), and the base (100) constitute a four-bar linkage.

2. The vehicle roof handle as described in claim 1, characterized in that: The base (100) is provided with two telescopic devices (300), and the two telescopic devices (300) are respectively connected to both ends of the handle body (200).

3. A car roof handle as described in claim 2, characterized in that: The two telescopic devices (300) are arranged in a mirror image along the length of the base (100).

4. A car roof handle as described in claim 1, characterized in that: The linkage arm (330) has a first hinge portion (331), a second hinge portion (332), and a third hinge portion (333) that are not collinear. The first rocker arm (310) is hinged to the first hinge portion (331), the second rocker arm (320) is hinged to the second hinge portion (332), and the end of the handle body (200) is hinged to the third hinge portion (333).

5. A car roof handle as described in claim 4, characterized in that: The line connecting the first hinge (331), the second hinge (332), and the third hinge (333) forms a V-shaped broken line structure. The first hinge (331) is located between the second hinge (332) and the third hinge (333). The part of the connecting arm (330) located between the first hinge (331) and the second hinge (332) is a connecting rod part, and the part of the connecting arm (330) located between the first hinge (331) and the third hinge (333) is an extension push-pull part.

6. A car roof handle as described in claim 4 or 5, characterized in that: The hinge point between the first rocker arm (310) and the base (100) is point A; the hinge point between the first rocker arm (310) and the first hinge part (331) is point B; the hinge point between the second rocker arm (320) and the base (100) is point C; the hinge point between the second rocker arm (320) and the second hinge part (332) is point D; and the hinge point between the third hinge part (333) and the handle body (200) is point E. Among them, the length of line segment AB is greater than the length of line segment CD, the length of line segment BD is greater than the length of line segment AB, and the length of line segment BE is greater than the length of line segment BD.

7. A car roof handle as described in claim 4, characterized in that: A torsion spring (340) is provided on the hinge shaft between the first rocker arm (310) and the second hinge part (332). One end of the torsion spring (340) abuts against the first rocker arm (310) and the other end abuts against the connecting rod arm (330). The torsion spring (340) applies a torque to the handle body (200) through the telescopic device (300) to make it tend to retract.

8. A car roof handle as described in claim 4, characterized in that: A damper (350) is provided between the first rocker arm (310) and the base (100).

9. A car roof handle as described in claim 5, characterized in that: The base (100) includes a mounting bracket (110) and a top cover (120). The top cover (120) covers the mounting bracket (110). The telescopic device (300) is installed inside the mounting bracket (110). The top cover (120) has an opening (121). The extended push-pull part passes through the opening (121) through the top cover (120) and is hinged to the handle body (200).

10. A vehicle, characterized in that, The vehicle roof handle includes the one described in any one of claims 1 to 9, and also includes an inner roof located inside the vehicle, with a base (100) fixedly connected to the inner roof.

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