Door limiter device for automotive automatic door systems

Abstract

The present invention discloses a door stopper device for an automobile intelligent door system, comprising: a stopper housing, formed with an upper guide hole and a lower guide hole arranged side by side, one side of the upper guide hole is connected to one side of the lower guide hole; a push-pull rod having a first end and a second end opposite to each other, the first end of which is slidably arranged in the lower guide hole and connected with a follower, the follower extends into the upper guide hole, and the second end of which extends to the outside of the lower guide hole; and a driving mechanism, comprising a screw rod rotatably installed in the upper guide hole, a slider slidably arranged in the upper guide hole, and a driving motor for driving the screw rod, which is installed in the stopper housing, the screw rod is arranged along the axial direction of the upper guide hole, the slider is provided with a threaded through hole screwed to the screw rod, a lock hole is provided at the bottom of the slider, and the follower is rotatably embedded in the lock hole. The present invention solves the problem that the automatic door opening mechanism installed on the existing automobile side door destroys the internal structure of the door and affects the safety performance of the vehicle.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile components, and in particular to a door stopper device for an automobile intelligent door system. Background Art

[0002] Existing car doors are generally equipped with limiters. After purchasing a car, consumers choose to modify the electric side doors in order to improve the quality of the vehicle. Generally, adding an automatic door opening mechanism to the door will inevitably destroy the internal structure of the existing door and affect the safety performance of the vehicle. Summary of the invention

[0003] In order to overcome the defects of the prior art, a door limiter device for an automobile intelligent door system is provided to solve the problem that the automatic door opening mechanism installed on the existing automobile side door damages the internal structure of the door and affects the safety performance of the vehicle.

[0004] In order to achieve the above object, a door stopper device for an automobile intelligent door system is provided, comprising:

[0005] A stopper box for installation on a vehicle door, wherein the stopper box is formed with an upper guide hole and a lower guide hole arranged side by side, and one side of the upper guide hole is connected to one side of the lower guide hole;

[0006] A push-pull rod, the push-pull rod having opposite first ends and a second end for being hingedly connected to the vehicle body, the first end of the push-pull rod being slidably disposed in the lower guide hole, the second end of the push-pull rod extending to the outside of the lower guide hole, the first end of the push-pull rod being connected to a follower, and the follower extending into the upper guide hole; and

[0007] The driving mechanism includes a screw rod rotatably installed in the upper guide hole, a slider slidably arranged in the upper guide hole and a driving motor for driving the screw rod, the driving motor is installed in the limiter housing, the screw rod is arranged along the axial direction of the upper guide hole, the slider is provided with a threaded through hole, the screw rod is screwed into the threaded through hole, the slider is provided with a locking hole on the side facing the lower guide hole, and the follower is rotatably embedded in the locking hole.

[0008] Furthermore, the driving motor is transmission-connected to the screw rod via a gear assembly.

[0009] Furthermore, the gear assembly comprises:

[0010] A driving gear coaxially connected to the output shaft of the driving motor;

[0011] A driven gear disposed opposite to the driving gear and coaxially connected to the screw rod; and

[0012] The transmission gear is rotatably mounted on the limiter housing, and opposite sides of the transmission gear are respectively meshed with the driving gear and the driven gear.

[0013] Furthermore, the opposite side walls of the upper guide hole are respectively formed with grooves arranged along the axial direction of the upper guide hole, and the opposite sides of the slider are formed with ridges, and the ridges on the opposite sides of the slider are slidably arranged in the grooves on the opposite sides of the upper guide hole in a one-to-one correspondence.

[0014] Furthermore, the follower comprises:

[0015] A ball head is rotatably embedded in the lock hole; and

[0016] A connecting rod, wherein the first end of the connecting rod is connected to the second end of the push-pull rod, and the second end of the connecting rod is connected to the ball head.

[0017] Furthermore, the locking hole is spherical, and the hole mouth of the locking hole is formed with an anti-slip flange, the anti-slip flange is arranged in a circle along the circumferential direction of the locking hole, the anti-slip flange encloses a through hole, the connecting rod can be rotatably inserted into the through hole, and the inner diameter of the through hole is smaller than the outer diameter of the ball head.

[0018] Furthermore, a first axial hole is formed at the second end of the push-pull rod, a support plate is installed on the vehicle body, the support plate is formed with an ear plate, the ear plate is formed with a second axial hole aligned with the first axial hole, and a hinge shaft is rotatably inserted in the first axial hole and the second axial hole.

[0019] Furthermore, the outside of the push-pull rod is coated with a noise reduction layer.

[0020] The beneficial effect of the present invention is that the door limiter device for the intelligent door system of the present invention can upgrade the doors of existing models without changing the installation method of the existing door limiter and destroying the existing structure in the door, thereby improving the quality of the vehicle and meeting the high-level usage requirements of customers. Vehicles using the door limiter device for the intelligent door system of the present invention can realize automatic and manual opening and closing of the doors under conditions such as flat slopes, uphill slopes, and side slopes. Because the door limiter device for the intelligent door system of the present invention effectively utilizes the space inside the door, it avoids interference with the speakers, glass lifting motors, etc. in the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0022] Figure 1The present invention is a schematic structural diagram of a door stopper device for an automobile intelligent door system according to an embodiment of the present invention.

[0023] Figure 2 The present invention is a schematic diagram of the exploded structure of a door limiter device for an automobile intelligent door system according to an embodiment of the present invention.

[0024] Figure 3 It is a side view of the limiter box according to an embodiment of the present invention.

[0025] Figure 4 Schematic diagram of the structure of a gear assembly according to an embodiment of the present invention.

[0026] Figure 5 Schematic diagram of the structure of a slider according to an embodiment of the present invention. DETAILED DESCRIPTION

[0027] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] Reference Figures 1 to 5 As shown, the present invention provides a door stopper device for an automobile intelligent door system, comprising: a stopper box 1, a push-pull rod 2 and a driving mechanism.

[0030] The limiter box 1 is used to be installed on a vehicle door. Specifically, the upper portion of the limiter box 1 is formed with an upper guide hole A and a lower guide hole B that are arranged side by side. The limiter box has a first end and a second end that are opposite. One side of the upper guide hole A is connected to one side of the lower guide hole B. The upper guide hole A and the lower guide hole B are arranged in a horizontal direction, and the bottom of the upper guide hole is connected to the upper part of the lower guide hole. The upper guide hole A and the lower guide hole B are opened in the upper part of the limiter box, and a accommodating cavity is also opened in the lower part of the limiter box. End covers are respectively installed at the opposite ends of the limiter box.

[0031] The push-pull rod 2 is arranged in the horizontal direction, and has a first end and a second end opposite to each other. The second end of the push-pull rod 2 is used for being hingedly connected to the vehicle body, specifically, the second end of the push-pull rod 2 is used for being hingedly connected to the A-pillar or B-pillar of the vehicle body. The first end of the push-pull rod 2 is slidably arranged in the lower guide hole B, and the first end of the push-pull rod can slide along the axial direction of the lower guide hole. The second end of the push-pull rod 2 extends to the outside of the lower guide hole B (i.e., the outside of the first end of the limiter box). The first end of the push-pull rod 2 is connected to a follower, and the follower extends to the upper guide hole A.

[0032] The driving mechanism includes a screw 31, a slider 32 and a driving motor 33. The screw is rotatably mounted in the upper guide hole A. The driving motor is mounted in the accommodating cavity of the limiter housing 1, and the driving motor is connected to the controller of the vehicle door. The driving motor is used to drive the screw to rotate. The slider is slidably mounted in the upper guide hole A, and a threaded through hole C is provided in the slider. The screw is arranged along the axial direction of the upper guide hole A, and the screw is screwed into the threaded through hole C. A lock hole D is provided on one side of the slider facing the lower guide hole B. The follower is rotatably embedded in the lock hole D.

[0033] The working principle of the door stopper device for the automobile intelligent door system of the present invention is as follows:

[0034] When the electric side door controller of the car receives a signal from the remote control key or the keyless entry button on the door handle, the controller starts the drive motor to rotate forward or reverse, and the drive motor drives the screw rod to rotate, so that the slider on the screw rod slides linearly in the lower guide hole, and the slider pushes and pulls the follower, thereby making the push rod extend out of the limiter box or retract into the limiter box. Since the second end of the push rod is installed on the door, the door is opened or closed by extending or retracting the push rod, realizing the automatic opening and closing action of the door.

[0035] The door stopper device for the automobile intelligent door system of the present invention can upgrade the doors of existing vehicle models without changing the installation method of the existing door stopper or destroying the existing structure in the door, thereby improving the quality of the vehicle and meeting the high-level usage requirements of customers.

[0036] The vehicle adopting the door stopper device for the automobile intelligent door system of the present invention can realize automatic and manual opening and closing of the door under conditions of flat slope, uphill slope, side slope, etc. Since the door stopper device for the automobile intelligent door system of the present invention effectively utilizes the space inside the door, it avoids interference with the speaker, glass lifting motor, etc. inside the door.

[0037] In this embodiment, the participants Figure 1 , Figure 2 and Figure 4The driving motor is connected to the screw rod through the gear assembly. The gear assembly is installed at the second end of the limiter housing and is accommodated in the end cover of the second end of the limiter housing.

[0038] Stay Engaged Figure 4 As shown, the gear assembly includes: a driving gear 341 , a driven gear 342 and a transmission gear 343 .

[0039] In this embodiment, one end of the screw is installed in the upper guide hole through a bearing, and the other end of the screw is coaxially connected to the driven gear 342. The gear shaft of the driven gear is installed in the end cover of the second end of the limiter housing through a bearing. The bearing plays a role in fixed support and reducing the rotation friction of the end of the screw, thereby reducing the rotation resistance of the driving screw.

[0040] The driving gear 341 is coaxially connected to the output shaft of the driving motor. The driving gear 341 and the driven gear 342 are arranged opposite to each other.

[0041] The transmission gear 343 is rotatably mounted in the end cover of the second end of the stopper housing through a bearing. The opposite sides of the transmission gear 343 are respectively meshed with the driving gear 341 and the driven gear 342.

[0042] As a preferred embodiment, the opposite side walls of the upper guide hole A are respectively formed with grooves arranged along the axial direction of the upper guide hole A. The opposite sides of the slider 32 are formed with convex ridges 321. The convex ridges 321 on the opposite sides of the slider are slidably arranged in the grooves on the opposite sides of the upper guide hole A in a one-to-one correspondence.

[0043] In this embodiment, the participants Figure 2 As shown, the follower includes: a ball head 211 and a connecting rod.

[0044] The ball head 211 is rotatably embedded in the lock hole D. The first end of the connecting rod is connected to the second end of the push-pull rod 2, and the second end of the connecting rod is connected to the ball head 211. The slider is connected to the first end of the push rod through a follower ball joint. The follower adopts a ball head design, which is beneficial to the push-pull rod during movement (extension or retraction), and is beneficial to eliminating errors caused by loading.

[0045] As a preferred implementation, see Figure 5 As shown, the lock hole D is spherical. The curvature of the hole wall of the lock hole is adapted to the curvature of the outer wall of the ball head. The hole opening of the lock hole D is formed with an anti-slip flange. The anti-slip flange is arranged in a circle along the circumferential direction of the lock hole D. The anti-slip flanges enclose a through hole. The connecting rod is rotatably inserted into the through hole, and the inner diameter of the through hole is smaller than the outer diameter of the ball head 211.

[0046] See also Figure 2 and Figure 4The second end of the push-pull rod 2 is provided with a first shaft hole. A support plate 23 is installed on the A-pillar or B-pillar of the vehicle body. The support plate 23 is formed with an ear plate 24. The ear plate 24 is provided with a second shaft hole aligned with the first shaft hole. A hinge shaft 22 is rotatably inserted in the first shaft hole and the second shaft hole.

[0047] In this embodiment, the outside of the push-pull rod 2 is coated with a noise reduction layer. The noise reduction layer is made of nylon with lubricating function. The noise reduction layer is a protective outer shell of the push-pull rod and is made of nylon with lubricating function. It protects the push-pull rod from rusting and plays a role in lubrication and noise reduction when the push-pull rod extends or retracts into the limiter box.

[0048] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A door stopper device for an automobile intelligent door system, characterized in that: include: A stopper box for installation on a vehicle door, wherein the stopper box is formed with an upper guide hole and a lower guide hole arranged side by side, and one side of the upper guide hole is connected to one side of the lower guide hole; A push-pull rod, the push-pull rod having an opposite first end and a second end for being hingedly connected to the vehicle body, the first end of the push-pull rod being slidably disposed in the lower guide hole, the second end of the push-pull rod extending to the outside of the lower guide hole, the first end of the push-pull rod being connected to a follower, and the follower extending into the upper guide hole; as well as A driving mechanism, comprising a screw rotatably mounted in the upper guide hole, a slider slidably mounted in the upper guide hole, and a driving motor for driving the screw, wherein the driving motor is mounted on the limiter housing, the screw is arranged along the axial direction of the upper guide hole, the slider is provided with a threaded through hole, the screw is screwed into the threaded through hole, a locking hole is provided on one side of the slider facing the lower guide hole, and the follower is rotatably embedded in the locking hole; The opposite side walls of the upper guide hole are respectively formed with grooves arranged along the axial direction of the upper guide hole, and the opposite sides of the slider are formed with convex ridges, and the convex ridges on the opposite sides of the slider are slidably arranged in the grooves on the opposite sides of the upper guide hole in a one-to-one correspondence; The driven member comprises: a ball head rotatably embedded in the lock hole; and a connecting rod, wherein a first end of the connecting rod is connected to a second end of the push-pull rod, and a second end of the connecting rod is connected to the ball head; The lock hole is spherical, and an anti-slip flange is formed at the hole of the lock hole. The anti-slip flange is arranged in a circle along the circumferential direction of the lock hole. The anti-slip flanges enclose a through hole, and the connecting rod is rotatably inserted into the through hole. The inner diameter of the through hole is smaller than the outer diameter of the ball head. The second end of the push-pull rod is provided with a first axial hole, the vehicle body is installed with a support plate, the support plate is formed with an ear plate, the ear plate is provided with a second axial hole aligned with the first axial hole, and a hinge shaft is rotatably inserted in the first axial hole and the second axial hole.

2. The door stopper device for an automobile intelligent door system according to claim 1, characterized in that: The driving motor is transmission-connected to the screw rod via a gear assembly.

3. The door stopper device for an automobile intelligent door system according to claim 2, characterized in that: The gear assembly comprises: A driving gear coaxially connected to the output shaft of the driving motor; A driven gear disposed opposite to the driving gear and coaxially connected to the screw rod; and The transmission gear is rotatably mounted on the limiter housing, and opposite sides of the transmission gear are respectively meshed with the driving gear and the driven gear.

4. The door stopper device for an automobile intelligent door system according to claim 1, characterized in that: The outside of the push-pull rod is coated with a noise reduction layer.

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