CN114458110A

CN114458110A - Arm lever type electric door limiter

Info

Publication number: CN114458110A
Application number: CN202111518502.XA
Authority: CN
Inventors: 余辉; 居文斌; 黎伟红; 陈再付; 应纪利; 薛耿铭; 刘树森; 刘平轩; 余光飞; 余忠核; 余欣诺
Original assignee: Zhejiang Longji Auto Parts Stock Co ltd
Current assignee: Zhejiang Longji Auto Parts Stock Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-10

Abstract

The invention relates to an arm rod type electric door limiter, wherein a driving motor drives a screw rod to rotate through a gear transmission structure, the screw rod is arranged in a shell, a sliding screw sleeve sleeved on the outer peripheral surface is driven to slide up and down during rotation, the arm rod is driven to stretch in the shell, the arm rod pushes the space between a fixed support and an installation frame in the stretching process, the angle between a vehicle door and a vehicle body is deviated due to the arrangement of the fixed support and the installation frame, the vehicle door can be pushed to open and close by taking the installation frame as an original point in the stretching process, the vehicle door can be opened and closed electrically, the opening angle of the vehicle door can be controlled stably by the output quantity of the driving motor, the vehicle door can hover at any angle, an anti-clamping device and an obstacle detection device are additionally arranged on the vehicle door, intelligent opening and closing of the vehicle door can be ensured, meanwhile, the arm rod swings in a swinging groove when the vehicle door rotates due to the hinged arrangement of the two ends of the arm rod, the dryness cannot occur, and the distance between the swing grooves is in place at the maximum opening angle of the automobile door.

Description

Arm lever type electric door limiter

Technical Field

The invention relates to the field of automobile accessories, in particular to an arm lever type electric door limiter.

Background

In view of the increasing consumer demand for motor vehicles equipped with advanced comfort and convenience features, many modern motor vehicles are now equipped with passive access systems to allow locking and releasing of the doors without the use of conventional key-type manual access systems. Such control systems have not been correspondingly adapted to accommodate a suitable powered door system, with the powered door typically being provided by a separate power-operated door opener assembly that is capable of operating in coordination with the latch assembly to move the door from the closed position to the partially open position, thereby subsequently allowing the user to manually move the door completely to the fully open position. Automatic full opening and automatic closing are not fully achieved and the problem of the swing door opening too much or swinging closed when the vehicle is on an inclined surface and the swing door is unbalanced by the weight of the door is not solved.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide an arm lever type electric door stopper, which aims at overcoming the defects of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: arm lever-type electrically operated gate stopper, including casing, screw rod and the driving motor of setting in the casing, casing one end is equipped with and is used for installing the fixed bolster on the door, its characterized in that: the one end that the casing corresponds the screw rod is equipped with the armed lever, screw rod swing joint is in the casing, screw rod outer peripheral face cover be equipped with screw rod threaded connection slip swivel nut, armed lever one end is articulated with slip swivel nut, and the other end extends outside casing and the fixed bolster, and its end is equipped with the mounting bracket, mounting bracket one end and automobile body fixed connection, the other end is articulated with the armed lever through first round pin axle, set up the swing groove that makes the armed lever locate the activity at the fixed bolster on the fixed bolster, driving motor passes through gear drive structure and drives the screw rod and rotate in the casing, makes the slip swivel nut drive armed lever axial displacement in the casing, and then adjusts the interval between fixed bolster and the mounting bracket and realizes opening and shutting the door.

By adopting the technical scheme, the fixed support arranged on the shell and mounted with the vehicle door is arranged on the arm rod, the mounting frame arranged on the arm rod and mounted with the vehicle body is arranged on the arm rod, the mounting frame is hinged with the arm rod, the arm rod is hinged with the sliding screw sleeve, the sliding screw sleeve is sleeved on the screw rod, namely, the driving motor drives the screw rod to rotate through the gear transmission structure, the screw rod is erected in the shell, the sliding screw sleeve sleeved on the outer peripheral surface is driven to slide up and down during rotation, the arm rod is driven to stretch in the shell, the arm rod pushes the distance between the fixed support and the mounting frame in the stretching process, the angle between the vehicle door and the vehicle body is deviated due to the arrangement of the fixed support and the mounting frame, the arm rod can push the vehicle door to be opened and closed by taking the mounting frame as an original point switch, the vehicle door can be electrically opened and closed, the opening angle of the vehicle door can be stably controlled by the output quantity of the driving motor, and the vehicle door can be hovered at any angle, and install anti-pinch device and barrier detection device additional on the door and just can guarantee intelligent switch door, simultaneously because the articulated setting of armed lever both ends utensil makes the armed lever when the door rotates, swings in the swing groove, can not take place futilely puckery, and the interval between the swing groove takes one's place the biggest opening angle of car door.

The arm rod type electric door limiter can be further arranged as follows: the driving motor and the screw rod are arranged in the shell in parallel, and the gear transmission structure comprises a driving gear arranged at the output end of the driving motor and a driven gear arranged on the screw rod and meshed with the driving gear.

Adopt above-mentioned technical scheme, driving motor passes through the driving gear and drives driven gear and rotate, makes driven gear drive screw rod rotate, and gear drive has that the transmission is steady, the buffering shakes, simple structure, with low costs, use and maintain convenient advantage, and parallel arrangement's driving motor and screw rod enable the stopper compacter, the more motorcycle types of adaptation.

The arm rod type electric door limiter can be further arranged as follows: the arm rod and the screw rod are arranged in the shell in parallel, the sliding threaded sleeve is provided with a right-angle connecting piece, and the arm rod is hinged to the right-angle connecting piece through a second pin shaft.

By adopting the technical scheme, the right-angle connecting piece is a 90-degree switching connecting piece, one end of the right-angle connecting piece is connected with the sliding threaded sleeve, and the other end of the right-angle connecting piece is hinged with the arm rod, so that the screw rod drives the linkage arm rod to move axially stably.

The arm rod type electric door limiter can be further arranged as follows: one pot head that the armed lever is close to the mounting bracket is equipped with the cushion collar, the cushion collar is established outside the casing, the external diameter of cushion collar is greater than the internal diameter of swing groove.

Adopt above-mentioned technical scheme, establish the cushion collar through at the armed lever overcoat, make the armed lever in the process of contracting back (the door is closed), give the mounting bracket through the cushion collar and cushioned, avoid rigid contact, improve product life.

The arm rod type electric door limiter can be further arranged as follows: the periphery of the driving motor is provided with a shock absorption sleeve, and one end of the shell, corresponding to the driving motor, is provided with a motor shell for accommodating the driving motor.

By adopting the technical scheme, the shock absorption sleeve is arranged outside the driving motor, so that the driving motor is prevented from being influenced by vibration in the driving process of the vehicle, the driving motor is prevented from being polluted by external dust and rainwater by arranging the motor shell, and the service life of a product is prolonged.

The arm rod type electric door limiter can be further arranged as follows: and the driving motor is also provided with a Hall sensor electrically connected with the driving motor, and the rotation period of the driving motor is controlled by the Hall sensor.

By adopting the technical scheme, the screw rod is driven to move by the driving motor, the opening and closing of the vehicle door are realized, and the displacement distance of the arm rod is sensed by the Hall sensor, so that the driving motor can automatically stop working when the vehicle door is closed or in the maximum opening state.

The arm rod type electric door limiter can be further arranged as follows: the driving gear all is equipped with gear bearing with driven gear's both ends, the one end that driven gear was kept away from to the screw rod is equipped with the screw rod bearing.

By adopting the technical scheme, the friction coefficient of the driving gear, the driven gear and the screw is reduced by arranging the gear bearing and the screw bearing, and the transmission efficiency is improved.

The arm rod type electric door limiter can be further arranged as follows: swing bearings are arranged among the first pin shaft, the second pin shaft and the arm rod.

By adopting the technical scheme, the rotating efficiency of the mounting frame and the right-angle connecting piece is improved through the oscillating bearing, the friction coefficient is reduced, and the arm rod can swing more smoothly without noise in the door opening and closing process.

The invention is further described below with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view schematically illustrating embodiment 1 of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a sectional view of embodiment 1 of the present invention.

Fig. 4 is a schematic view of the internal structure of embodiment 2 of the present invention.

Detailed Description

Example 1:

as shown in fig. 1-3, the arm lever type electric door stopper includes a housing 1, a screw rod 2 and a driving motor 3 disposed in the housing 1, a fixed bracket 4 for mounting on a vehicle door is disposed at one end of the housing 1, an arm lever 5 is disposed at an end of the housing 1 corresponding to the screw rod 2, the screw rod 2 is movably connected in the housing 1, a sliding screw sleeve 6 in threaded connection with the screw rod 2 is sleeved on an outer circumferential surface of the screw rod 2, one end of the arm lever 5 is hinged to the sliding screw sleeve 6, the other end of the arm lever extends out of the housing 1 and the fixed bracket 4, and a mounting bracket 51 is disposed at a terminal thereof, one end of the mounting bracket 51 is fixedly connected to a vehicle body, the other end is hinged to the arm lever 5 by a first pin 511, a swing groove 41 for enabling the arm lever 5 to move at the fixed bracket 4 is disposed on the fixed bracket 4, the driving motor 3 drives the screw rod 2 to rotate in the housing 1 by a gear transmission structure, so that the sliding screw sleeve 6 drives the arm lever 5 to move axially in the housing 1, further adjusting the distance between the fixed support 4 and the mounting rack 51 to open and close the vehicle door, the driving motor 3 and the screw 2 are arranged in the housing 1 in parallel, the gear transmission structure comprises a driving gear 31 arranged at the output end of the driving motor 3 and a driven gear 21 arranged on the screw 2 and meshed with the driving gear 31, the arm 5 and the screw 2 are arranged in the housing 1 in parallel, a right-angle connecting piece 61 is arranged on the sliding screw sleeve 6, the arm 5 is hinged with the right-angle connecting piece 61 through a second pin shaft 62, a buffer sleeve 52 is sleeved at one end of the arm 5 close to the mounting rack 51, the buffer sleeve 52 is arranged outside the housing 1, the outer diameter of the buffer sleeve 52 is larger than the inner diameter of the swinging groove 41, a shock absorption sleeve 32 is arranged on the outer peripheral surface of the driving motor 3, a motor housing 11 for accommodating the driving motor 3 is arranged at one end of the housing 1 corresponding to the driving motor 3, a hall sensor 33 electrically connected with the driving motor 3 is further arranged on the driving motor 3, the rotation period of the driving motor 3 is controlled by the hall sensor 33, gear bearings 7 are arranged at two ends of the driving gear 31 and the driven gear 21, a screw bearing 8 is arranged at one end of the screw 2 far away from the driven gear 21, and swing bearings 9 are arranged among the first pin shaft 511, the second pin shaft 62 and the arm lever 5.

Example 2:

as shown in fig. 4, when the electric door check device of the present invention is used in an electric door control system, the electric door check device is installed in a door through a fixing bracket 4 as a driving device, and an installation frame 51 of an arm 5 is installed on a vehicle body through the fixing bracket 4, and an anti-pinch device, an obstacle detection device, a main control unit and a door lock device are provided in the control system, so as to implement the following functions:

1. in the system, the automobile can automatically open the door by identifying the driver through a specific mode (such as code scanning, gestures, fingerprints, keyless control, mobile phones and the like). If the user of the vehicle fails to close the door after getting off the vehicle, the vehicle can be automatically closed by the electric door stopper after parking or before the next driving.

2. The brake 34 (damper) is selectively equipped according to different vehicle types, namely when a vehicle with a lighter vehicle door is used, the vehicle door can control the short circuit of the driving motor 3 through the ECU to enable the vehicle door to hover through the internal resistance of the vehicle door, when the vehicle door is heavier, the brake 34 can be equipped, the brake 34 is arranged between the driving motor 3 and the driving gear 31, for example, on a slope, when the vehicle door is static, the brake 34 is in a locking state to generate friction force to prohibit the driving motor 3 from rotating; when the vehicle door needs to be opened (manually opened and electrically opened), the brake 34 is electrified to work, friction force is cancelled, the driving motor 3 drives, the control screw rod 2 rotates, the sliding screw sleeve 6 is linked, the sliding screw sleeve 6 drives the arm rod 5 to extend out to open the vehicle door, when the vehicle door is in an opening state, the brake 34 does not work, friction force is generated, namely, the gravity distance of the vehicle door is smaller than the main force distance (inclination and wind power), the vehicle door suspension requirement is met, when the vehicle door needs to be closed, vehicle feeding is controlled only through an electric key, the brake 34 cannot work, the arm rod 5 can be controlled to be closed, meanwhile, the door can be closed manually, namely, the power for manually pushing the door is larger than the resistance distance, the brake 34 can be activated to be electrified, the friction force is cancelled, the driving motor 3 automatically starts to close the vehicle door, and the vehicle door is limited to suspend is realized.

3. Through setting up anti-pinch device, barrier detection device, make the door closed or open the in-process can both real-time detection door surrounding environment, the tong when collision or closing the door when avoiding the door to open.

Claims

1. Arm lever-type electrically operated gate stopper, including casing, screw rod and the driving motor of setting in the casing, casing one end is equipped with and is used for installing the fixed bolster on the door, its characterized in that: the one end that the casing corresponds the screw rod is equipped with the armed lever, screw rod swing joint is in the casing, screw rod outer peripheral face cover be equipped with screw rod threaded connection slip swivel nut, armed lever one end is articulated with slip swivel nut, and the other end extends outside casing and the fixed bolster, and its end is equipped with the mounting bracket, mounting bracket one end and automobile body fixed connection, the other end is articulated with the armed lever through first round pin axle, set up the swing groove that makes the armed lever locate the activity at the fixed bolster on the fixed bolster, driving motor passes through gear drive structure and drives the screw rod and rotate in the casing, makes the slip swivel nut drive armed lever axial displacement in the casing, and then adjusts the interval between fixed bolster and the mounting bracket and realizes opening and shutting the door.

2. The arm-lever type electric door checker according to claim 1, wherein: the driving motor and the screw rod are arranged in the shell in parallel, and the gear transmission structure comprises a driving gear arranged at the output end of the driving motor and a driven gear arranged on the screw rod and meshed with the driving gear.

3. The arm-lever type electric door checker according to claim 1, wherein: the arm rod and the screw rod are arranged in the shell in parallel, the sliding threaded sleeve is provided with a right-angle connecting piece, and the arm rod is hinged to the right-angle connecting piece through a second pin shaft.

4. The arm-lever type electric door checker according to any one of claims 1 to 3, wherein: one pot head that the armed lever is close to the mounting bracket is equipped with the cushion collar, the cushion collar is established outside the casing, the external diameter of cushion collar is greater than the internal diameter of swing groove.

5. The arm-lever type electric door checker according to any one of claims 1 to 3, wherein: the periphery of the driving motor is provided with a shock absorption sleeve, and one end of the shell, corresponding to the driving motor, is provided with a motor shell for accommodating the driving motor.

6. The arm-lever type electric door checker according to any one of claims 1 to 3, wherein: and the driving motor is also provided with a Hall sensor electrically connected with the driving motor, and the rotation period of the driving motor is controlled by the Hall sensor.

7. The arm-lever type electric door checker according to any one of claims 1 to 3, wherein: the driving gear all is equipped with gear bearing with driven gear's both ends, the one end that driven gear was kept away from to the screw rod is equipped with the screw rod bearing.

8. The arm-lever type electric door checker according to claim 3, wherein: swing bearings are arranged among the first pin shaft, the second pin shaft and the arm rod.