Inertia lock device of hidden door handle
By designing an inertial lock device in the hidden door handle, the limit structure prevents the control lever from automatically rotating after a lateral collision, the problem of automatic opening of the door handle in the prior art due to inertial motion is solved, and the safety of the occupants is improved.
Patent Information
- Application Number
- CN202420751499.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-12
AI Technical Summary
Existing hidden door handles are prone to automatically open due to inertial motion when the vehicle crashes on the side, resulting in passengers not wearing seat belts being thrown out.
An inertial locking device for a hidden door handle is designed, including a base, a control lever and a limiting structure. During a lateral collision, the working part of the door handle drives the control rod to rotate, and the limit structure prevents the control rod from swinging through the accommodating hole, limit ball and limit surface to prevent the door from automatically opening.
It effectively prevents the door from automatically opening after a lateral collision, improves the safety of the occupants in the car, and is convenient to operate under normal conditions.
Smart Images
Figure CN222667938U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile accessories and relates to an inertia lock device for a hidden door handle. Background Art
[0002] With the development of automobile electrification and the improvement of manufacturing technology, many car models are working hard on their appearance. As one of the parts that drivers and passengers come into contact with most in daily life, the appearance and automation requirements of car exterior door handles are getting higher and higher. Among them, hidden door handles have gradually become a trend. The most obvious advantage of hidden door handles is that they make people feel that the car model is more high-end in appearance, and in terms of performance, they can reduce the wind resistance of the vehicle.
[0003] Existing hidden door handles are prone to swinging or pivoting outward during a vehicle collision, causing the vehicle door to be opened during a collision. For example, a side impact can easily cause the door handle to inertia move to the unlocked position, causing an unbelted passenger to be thrown from the vehicle. Utility Model Content
[0004] The utility model aims to solve the above problems in the prior art and proposes an inertial lock device for a hidden door handle which can prevent the door handle from opening when it rolls over.
[0005] The purpose of the utility model can be achieved through the following technical solutions:
[0006] An inertial locking device for a hidden door handle comprises a base, an inner side of the base being provided with a control rod which is rotatable via a rotating shaft, an outer side of the base being provided with a door handle which is rotatable, the rotation center line of the door handle being perpendicular to the rotation center line of the control rod, the door handle being provided with an action portion which extends into the side of the control rod, the action portion pushing the control rod to rotate when the door handle is pulled outward to unlock the door, and a limiting structure for limiting the swing of the control rod in the event of a lateral collision being provided between the control rod and the base.
[0007] During a side collision, the door handle opens due to inertia, and the action part of the door handle rests against the control rod, driving the control rod to swing around the rotation axis. Due to the setting of the limiting structure, the control rod is limited in the side collision state to prevent the door from opening automatically.
[0008] In the inertial lock device of the above-mentioned hidden door handle, the limiting structure includes a receiving hole arranged in the control rod and opening toward the base, a limiting ball arranged in the receiving hole and a limiting surface arranged on the base. A limiting assembly for limiting the limiting ball at the inner end of the receiving hole is arranged in the receiving hole. During a side collision, the limiting ball passes over the limiting assembly under the action of inertia and moves to the outer end of the receiving hole and abuts against the limiting surface.
[0009] The limiting surface is arranged opposite to the acting part, and the force applied by the acting part to the control rod is applied to the limiting surface through the control rod, so as to achieve the purpose of limiting the swing of the control rod.
[0010] In the inertial lock device of the above-mentioned hidden door handle, an arcuate stop edge with its center located on the center line of the rotating shaft is provided on the base, an arcuate guide groove is provided on the control rod to cooperate with the arcuate stop edge, the accommodating hole is arranged to intersect with the arcuate guide groove, the arcuate stop edge extends into the arcuate guide groove, the arcuate stop edge has a first end face and a second end face, the distance from the first end face to the control rod is greater than the distance from the second end face to the control rod, and the limiting surface is located between the first end face and the second end face and is arranged toward the action part of the door handle.
[0011] In a normal state, the limiting ball does not enter the end of the receiving hole close to the base, and the control rod can swing freely. In a side collision, the limiting ball enters the end of the receiving hole close to the base and hits the first end surface, and hits the limiting surface under the inertia of the door handle, limiting the door handle from automatically swinging downward.
[0012] In the above-mentioned inertial lock device of the hidden door handle, the limiting surface is an arc surface. When a side collision occurs, the force exerted on the limiting ball by the door handle due to inertia is small, which is not enough to make the limiting ball pass over the limiting surface and move to the second end surface. Only when an external force is exerted on the door handle, the limiting ball will pass over the limiting surface and hit the second end surface after the force transmitted to the limiting ball by the control rod is large, and the second end surface will push the limiting ball back to the inner end of the receiving hole to achieve the reset of the inertial lock device.
[0013] In the above-mentioned inertial lock device of the hidden door handle, an annular protrusion is provided on the side of the control rod facing the base, the cylindrical hole surrounded by the annular protrusion is coaxial with the accommodating hole and is arranged with the same diameter, and the arc guide groove is arranged across the annular protrusion.
[0014] In the above-mentioned inertial lock device of the hidden door handle, the limiting assembly includes a push hole arranged on the side wall of the accommodating hole, a push block arranged in the push hole, and a spring with one end acting on the push block, the other end of the spring acts on the inner end of the push hole, and the push block is provided with two oppositely arranged guide inclined surfaces, and the push block can be retracted into the push hole when the limiting ball squeezes the guide inclined surfaces.
[0015] Under normal conditions, the limiting ball will not act on the guiding inclined surface of the push block, and the push block will not retract into the push hole, thereby limiting the limiting ball. In the event of a side collision, the limiting ball retracts the push block into the push hole under the action of inertia, and the limiting ball is no longer restricted by the push block. The limiting ball hits the first end face and the limiting surface, preventing the door handle from opening automatically and preventing the occupants from being thrown out.
[0016] Compared with the prior art, the inertial lock device of the hidden door handle has the following advantages: the limiting structure limits the control rod during a side collision, and the limiting effect is good, which prevents the door handle from opening automatically and avoids the occupants in the car from being thrown out, effectively improving the safety of the occupants in the car; the limiting surface is arc-shaped, and under normal conditions, the limiting ball can be pushed back to the inner end of the accommodating hole by simply pulling the door handle, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the inertia lock device provided by the utility model.
[0018] Figure 2 yes Figure 1 Schematic diagram of the structure when the control lever is hidden.
[0019] Figure 3 It is a cross-sectional view of the inertia lock device provided by the utility model.
[0020] Figure 4 yes Figure 3 Section view with the joystick hidden.
[0021] Figure 5 It is a cross-sectional view of the control rod provided by the utility model.
[0022] Figure 6 It is a structural schematic diagram of the control rod provided by the utility model.
[0023] 1. Base; 2. Rotating shaft; 3. Control lever; 4. Door handle; 5. Action part; 6. Accommodating hole; 7. Limiting ball; 8. Limiting surface; 9. Arc-shaped stop edge; 10. Arc-shaped guide groove; 11. First end face; 12. Second end face; 13. Annular protrusion; 14. Push hole; 15. Push block; 16. Spring; 17. Guide slope. DETAILED DESCRIPTION
[0024] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0025] like Figure 1 and Figure 2The inertial lock device of the hidden door handle 4 shown in the figure comprises a base 1, a control rod 3 is provided on the inner side of the base 1 through a rotating shaft 2, the rotating shaft 2 extends horizontally, a door handle 4 is provided on the outer side of the base 1 through a rotating shaft 2, the rotation center line of the door handle 4 extends vertically, and the door handle 4 has an action part 5 extending into the side of the control rod 3. When the door handle 4 is pulled outward, the action part 5 pushes the control rod 3 to rotate so as to unlock the door, and a limiting structure for limiting the swing of the control rod 3 in the case of a lateral collision is provided between the control rod 3 and the base 1. In the case of a lateral collision, the door handle 4 opens under the action of inertia, and the action part 5 of the door handle 4 abuts against the control rod 3 to specifically drive the control rod 3 to swing around the rotating shaft 2. Due to the setting of the limiting structure, the control rod 3 is limited to prevent the door from opening automatically.
[0026] like Figure 3 and Figure 5 As shown, the limiting structure includes a receiving hole 6 disposed in the control rod 3 and opening toward the base 1, a limiting ball 7 disposed in the receiving hole 6, and a limiting surface 8 disposed on the base 1. A limiting assembly for limiting the limiting ball 7 at the inner end of the receiving hole 6 is disposed in the receiving hole 6. When a side collision occurs, the limiting ball 7 moves to the outer end of the receiving hole 6 after passing over the limiting assembly under the action of inertia and abuts against the limiting surface 8. The limiting surface 8 is disposed opposite to the acting portion 5. The force applied by the acting portion 5 to the control rod 3 is applied to the limiting surface 8 through the control rod 3, thereby achieving the purpose of limiting the swing of the control rod 3.
[0027] like Figure 2 As shown, the base 1 is provided with an arc-shaped retaining edge 9 whose center is located at the center line of the rotating shaft 2, the control rod 3 is provided with an arc-shaped guide groove 10 arranged in cooperation with the arc-shaped retaining edge 9, the receiving hole 6 is arranged to intersect with the arc-shaped guide groove 10, the arc-shaped retaining edge 9 extends into the arc-shaped guide groove 10, the arc-shaped retaining edge 9 has a first end face 11 and a second end face 12, the distance from the first end face 11 to the control rod 3 is greater than the distance from the second end face 12 to the control rod 3, and the limiting surface 8 is located between the first end face 11 and the second end face 12 and is arranged toward the action part 5 of the door handle 4. In a normal state, the limiting ball 7 does not enter the end of the receiving hole 6 close to the base 1, and the control rod 3 can swing freely. In the event of a side collision, the limiting ball 7 enters the end of the receiving hole 6 close to the base 1 and hits the first end face 11 and the limiting surface 8, limiting the door handle 4 from automatically swinging downward.
[0028] like Figure 2 and Figure 4 As shown, the limiting surface 8 is an arc surface. The door handle 4 is light in weight. When the door handle 4 is hit sideways, the force exerted on the limiting ball 7 by inertia is not enough to make the limiting ball 7 pass over the limiting surface 8 and move to the second end surface 12. Only when an external force is applied to the door handle 4, the limiting ball 7 will pass over the limiting surface 8 and hit the second end surface 12 after the force transmitted to the limiting ball 7 by the control rod 3 is large. The second end surface 12 pushes the limiting ball 7 back to the inner end of the receiving hole 6.
[0029] like Figure 5 and Figure 6 As shown, the control rod 3 is provided with an annular protrusion 13 on the side facing the base 1, and the cylindrical hole surrounded by the annular protrusion 13 is coaxial with the receiving hole 6 and is arranged with the same diameter, as shown in FIG. Figure 5 and Figure 6 As shown, the arc-shaped guide groove 10 is arranged on the annular protrusion 13.
[0030] like Figure 3 and Figure 5 As shown, the limiting assembly includes a push hole 14 arranged on the side wall of the accommodating hole 6, a push block 15 arranged in the push hole 14, and a spring 16 with one end acting on the push block 15, and the other end of the spring 16 acts on the inner end of the push hole 14. The push block 15 is provided with two oppositely arranged guide inclined surfaces 17. When the limiting ball 7 squeezes the guide inclined surfaces 17, the push block 15 can be retracted into the push hole 14.
[0031] Under normal conditions, the limiting ball 7 will not act on the guiding inclined surface 17 of the pushing block 15, and the pushing block 15 will not retract into the pushing hole 14, thereby limiting the limiting ball 7. In the event of a side collision, the limiting ball 7 acts on the guiding inclined surface 17 of the pushing block 15 under the action of inertia, causing the pushing block 15 to retract into the pushing hole 14, and the limiting ball 7 is no longer restricted by the pushing block 15. The limiting ball 7 falls downward onto the first end surface 11 and contacts the limiting surface 8, preventing the door handle 4 from opening automatically and preventing the occupants from being thrown out.
[0032] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
Claims
1. An inertial lock device for a hidden door handle, characterized in that: The invention comprises a base (1), wherein a control rod (3) is rotatably provided on the inner side of the base (1) via a rotating shaft (2), and a door handle (4) is rotatably provided on the outer side of the base (1), wherein the rotation center line of the door handle (4) is perpendicular to the rotation center line of the control rod (3), and the door handle (4) has an action part (5) extending into the side of the control rod (3), and when the door handle (4) is pulled outward, the action part (5) pushes the control rod (3) to rotate so as to unlock the vehicle door, and a locking member for locking the vehicle door in case of a lateral collision is provided between the control rod (3) and the base (1). A limiting structure for limiting the swing of a control rod (3); the limiting structure comprises a receiving hole (6) arranged in the control rod (3) and opening toward the base (1), a limiting ball (7) arranged in the receiving hole (6), and a limiting surface (8) arranged on the base (1); a limiting component for limiting the limiting ball (7) at the inner end of the receiving hole (6) is arranged in the receiving hole (6); when a side collision occurs, the limiting ball (7) moves over the limiting component under the action of inertia to the outer end of the receiving hole (6) and abuts against the limiting surface (8).
2. The inertial locking device for a hidden door handle according to claim 1, characterized in that: The base (1) is provided with an arcuate retaining edge (9) whose center is located at the center line of the rotating shaft (2); the control rod (3) is provided with an arcuate guide groove (10) arranged in cooperation with the arcuate retaining edge (9); the accommodating hole (6) and the arcuate guide groove (10) are arranged to intersect each other; the arcuate retaining edge (9) extends into the arcuate guide groove (10); the arcuate retaining edge (9) has a first end face (11) and a second end face (12); the distance from the first end face (11) to the control rod (3) is greater than the distance from the second end face (12) to the control rod (3); the limiting surface (8) is located between the first end face (11) and the second end face (12) and is arranged toward the action part (5) of the door handle (4).
3. The inertial lock device for a hidden door handle according to claim 2, characterized in that: The limiting surface (8) is a curved surface.
4. The inertial lock device for a hidden door handle according to claim 2, characterized in that: The control rod (3) is provided with an annular protrusion (13) on one side facing the base (1); the cylindrical hole surrounded by the annular protrusion (13) is coaxial with the receiving hole (6) and is arranged with the same diameter; the arc-shaped guide groove (10) is arranged across the annular protrusion (13).
5. The inertial lock device for a hidden door handle according to claim 1, characterized in that: The limiting assembly comprises a push hole (14) provided on the side wall of the accommodating hole (6), a push block (15) provided in the push hole (14), and a spring (16) having one end acting on the push block (15), the other end of the spring (16) acting on the inner end of the push hole (14), the push block (15) being provided with two guide inclined surfaces (17) arranged opposite to each other, and the push block (15) can be retracted into the push hole (14) when the limiting ball (7) presses the guide inclined surfaces (17).