阅读说明：本技术 车门缓冲装置 (Vehicle door buffer device ) 是由 唐竞 林长波 李婷 杨家宇 于 2019-09-19 设计创作，主要内容包括：本发明公开了一种车门缓冲装置,属汽车制造技术领域,该车门缓冲装置,包括设于车门内板下部的与缓冲块螺纹连接的螺纹柱,所述缓冲块上设有所述车门关闭时检测所述车门与所述车身之间间隙的压敏元件；所述螺纹柱下固定有通过电机驱动的转轴,所述压敏元件的接线脚穿装在所述缓冲块、所述螺纹柱和所述转轴的芯孔后通过控制模块与所述电机相连接。该装置可以解决现有车门总成与车身之间的配合间隙难以保证造成的车门关闭或行驶过程中车门与车身之间发生干涉、伤漆、变形的问题。(The invention discloses a vehicle door buffer device, which belongs to the technical field of automobile manufacturing and comprises a threaded column, a pressure-sensitive element and a buffer block, wherein the threaded column is arranged at the lower part of an inner plate of a vehicle door and is in threaded connection with the buffer block; a rotating shaft driven by a motor is fixed below the threaded column, and a wiring pin of the pressure-sensitive element is arranged in the core hole of the buffer block, the threaded column and the rotating shaft in a penetrating manner and then is connected with the motor through a control module. The device can solve the problem that the fit clearance between the existing vehicle door assembly and the vehicle body is difficult to ensure that the vehicle door is closed or the vehicle door and the vehicle body are interfered, damaged with paint and deformed during the driving process.)

1. The utility model provides a door buffer, including the threaded post of locating door inner panel lower part and buffer block threaded connection, its characterized in that: the buffer block is provided with a pressure-sensitive element for detecting a gap between the vehicle door and the vehicle body when the vehicle door is closed; a rotating shaft driven by a motor is fixed below the threaded column, and a wiring pin of the pressure-sensitive element is arranged in the core hole of the buffer block, the threaded column and the rotating shaft in a penetrating manner and then is connected with the motor through a control module.

2. The vehicle door bumper device according to claim 1, characterized in that: the rotating shaft is sleeved with a first conical gear, and the first conical gear is meshed with a second conical gear sleeved on the motor output shaft.

3. The vehicle door buffering device according to claim 1 or 2, characterized in that: the pressure sensitive element is a pressure sensor.

4. A vehicle door buffering device as defined in claim 3, wherein: the threaded column is a ball screw, and the buffer block is a screw nut.

5. The vehicle door buffering device according to claim 4, wherein: the control module comprises a single chip microcomputer and a driving module correspondingly connected with the single chip microcomputer.

6. The vehicle door bumper device according to claim 5, characterized in that: and the buffer block is provided with a rubber layer which is enclosed outside the pressure-sensitive element.

Technical Field

The invention relates to the technical field of automobile manufacturing, in particular to a vehicle door buffering device.

Background

The automobile door is connected with an automobile body through a hinge, the phenomenon of over-closing of the automobile door is usually generated when the automobile door is closed, the over-closing of the automobile door can enable the automobile door and the automobile body to generate mutual interference, and the automobile body or finish paint of the automobile door falls or even deforms. However, in practical applications, the buffer device is difficult to adjust in place when the vehicle door buffer device is manually rotated, the buffer block is poorly matched with the vehicle body due to hardening after the vehicle door buffer device is used for a period of time, and the buffer block on a bumpy road surface cannot effectively buffer and limit the vehicle door, so that the problems of interference, paint damage and deformation between the vehicle door and the vehicle body during the closing or driving process of the vehicle door are often caused.

Disclosure of Invention

The invention provides a vehicle door buffer device which can solve the problems of interference, paint damage and deformation between a vehicle door and a vehicle body in the closing or driving process of the vehicle door caused by the difficulty in ensuring the fit clearance between the conventional vehicle door assembly and the vehicle body.

In order to solve the problems, the technical scheme adopted by the invention is as follows: the vehicle door buffer device comprises a threaded column which is arranged at the lower part of a vehicle door inner plate and is in threaded connection with a buffer block, wherein a pressure-sensitive element for detecting a gap between a vehicle door and a vehicle body when the vehicle door is closed is arranged on the buffer block; a rotating shaft driven by a motor is fixed below the threaded column, and a wiring pin of the pressure-sensitive element is arranged in the core hole of the buffer block, the threaded column and the rotating shaft in a penetrating manner and then is connected with the motor through a control module.

In the above technical solution, a more specific technical solution may also be: the rotating shaft is sleeved with a first conical gear, and the first conical gear is meshed with a second conical gear sleeved on the motor output shaft.

Further: the pressure sensitive element is a pressure sensor.

Further: the threaded column is a ball screw, and the buffer block is a screw nut.

Further: the control module comprises a single chip microcomputer and a driving module correspondingly connected with the single chip microcomputer.

Further: and the buffer block is provided with a rubber layer which is enclosed outside the pressure-sensitive element.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. because the buffer block of the device is provided with the pressure-sensitive element for detecting the gap between the vehicle door and the vehicle body when the vehicle door is closed; a rotating shaft driven by a motor is fixed below the threaded column, and a wiring pin of the pressure-sensitive element is arranged in a core hole of the buffer block, the threaded column and the rotating shaft in a penetrating manner and then is connected with the motor through a control module; when the door is closed, the pressure-sensitive element senses the pressure value of the automobile body to the pressure-sensitive element in real time, when the pressure value sensed by the pressure-sensitive element is smaller than the preset value range in the control module, the buffer block is not contacted with the automobile body, the pressure-sensitive element transmits signals to the control module at the moment, the control module controls the motor to rotate forwards, the buffer block is driven to move towards the automobile body, when the pressure value sensed by the pressure-sensitive element is larger than the preset value range in the control module, the buffer block is connected with the automobile body too tightly, the pressure-sensitive element transmits signals to the control module at the moment, the control module controls the motor to rotate backwards, the buffer block is driven to move towards the automobile door, so that the distance between the automobile door and the automobile body is always in the preset fit clearance, and.

2. The threaded column is a ball screw, and the buffer block is a screw nut; the rotary motion is converted into linear motion, and the up-and-down motion of the buffer block on the threaded column is guaranteed.

3. The buffer block is provided with a rubber layer which is enclosed outside the pressure-sensitive element; the pressure sensitive element and the automobile body and the automobile door can be protected.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an installation schematic of an embodiment of the invention.

Detailed Description

The invention will be further described in detail with reference to the following examples:

the vehicle door buffering device shown in fig. 1 and 2 comprises threaded columns 3 arranged on two sides of the lower portion of an inner plate of a vehicle door 2, wherein buffering blocks 4 are sleeved on the threaded columns 3, the threaded columns 3 are in threaded connection with the buffering blocks 4, the threaded columns 3 are ball screws, and the buffering blocks 4 are screw nuts; the top of the buffer block 4 is provided with a pressure sensitive element 5 for detecting the gap between the vehicle door 2 and the vehicle body 1 when the vehicle door 2 is closed, and the pressure sensitive element 5 is a pressure sensor; the top of the buffer block 4 is provided with a rubber layer 41 which is enclosed outside the pressure-sensitive element 5; the lower end of the threaded column 3 is fixedly connected with a rotating shaft 6, a first conical gear 7 is sleeved on the rotating shaft 6, the first conical gear 7 is meshed with a second conical gear 8 sleeved on an output shaft of a motor 9, and the rotating shaft 6 is driven by the motor 9; core holes are formed in the buffer block, the threaded column and the rotating shaft, wiring pins of the pressure-sensitive element 5 penetrate through the core holes of the buffer block, the threaded column and the rotating shaft and then are connected with the input end of a control module for controlling the motor to turn left or right, and the output end of the control module is connected with the motor; the control module comprises a singlechip and a driving module correspondingly connected with the singlechip, and the singlechip is an SCT89c25 singlechip.

When the door is closed, the pressure-sensitive element senses the pressure value of the automobile body to the pressure-sensitive element in real time, when the pressure value sensed by the pressure-sensitive element is smaller than the preset value range in the control module, the buffer block is not contacted with the automobile body, the pressure-sensitive element transmits signals to the control module at the moment, the control module controls the motor to rotate forwards, the buffer block is driven to move towards the automobile body, when the pressure value sensed by the pressure-sensitive element is larger than the preset value range in the control module, the buffer block is connected with the automobile body too tightly, the pressure-sensitive element transmits signals to the control module at the moment, the control module controls the motor to rotate backwards, the buffer block is driven to move towards the automobile door, so that the distance between the automobile door and the automobile body is always in the preset fit clearance, and.