Automatic door opening and closing structure

Abstract

The utility model relates to the technical field of automobiles, and discloses an automatic door opening and closing structure which comprises an outer shell, a switch driving mechanism is arranged on one side of the outer shell and comprises a micro motor, a transmission gear, a first meshing gear, a fixed gear, a second meshing gear and a rotating ring, and the output end of the micro motor is in transmission connection with the transmission gear. A switch driving mechanism and a movable connecting mechanism are arranged, a micro motor controls a transmission gear to rotate, a first meshing gear rotates in succession in the mode of being meshed with the transmission gear, a threaded cylinder in threaded connection with the outer side of a rotated lead screw moves along with a sliding ring, and a door pushing rod is pulled through the sliding ring; when the micro motor controls the transmission gear to rotate clockwise, the sliding ring and the door pushing rod push the vehicle door outwards and open the vehicle door, and on the contrary, when the micro motor controls the transmission gear to rotate anticlockwise, the sliding ring and the pushing rod pull the vehicle door inwards to close the vehicle door, and therefore the automatic door opening and closing effect on the vehicle door is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to an automatic door switch structure. Background Art

[0002] The door switch structure is an important part of the car, which allows passengers and drivers to enter and exit the vehicle. Traditional door switches require passengers or drivers to manually pull or press the switch to open or close the door.

[0003] In the application number CN201921986816.0, an "automatic door opening and closing structure" is disclosed. This application solves the problem of existing door opening and closing structures in which the door parts are damaged due to the speed at which the recovery parts pull the door parts to the vehicle frame body through the driving structure too fast. However, the application adopts a manual door opening method to prevent the door parts from being damaged during the manual door opening process. In practice, the passengers or drivers need to operate the doors personally. For example, when the driver holds objects in both hands or the passengers need help at the rear door of the vehicle, it is not convenient in these situations. Therefore, it is necessary to design an automatic door opening and closing structure. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an automatic door opening and closing structure, which solves the problem that the current vehicle doors are not convenient enough.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an automatic door switch structure, including an outer shell, a switch drive mechanism is arranged on one side of the outer shell, the switch drive mechanism includes a micro motor, a transmission gear, a meshing gear 1, a fixed gear, a meshing gear 2 and a rotating ring, the output end of the micro motor is transmission-connected with the transmission gear, one side of the transmission gear is meshed with the meshing gear 1, the inner side of the meshing gear 1 is fixedly connected with the fixed gear, one side of the fixed gear is meshed with the meshing gear 2, the rear side of the meshing gear 2 is fixedly connected with the rotating ring, and the side of the rotating ring away from the meshing gear 2 is provided with a moving connection mechanism;

[0006] The movable connection mechanism includes a lead screw, a limit rod, a connecting gasket, a sliding ring and a threaded barrel. One end of the lead screw is fixedly connected to the rotating ring, and the other end of the lead screw is rotatably connected to the inner side of the connecting gasket. A limit rod is provided on one side of the lead screw, and one end of the limit rod is rotatably connected to the inner side of the connecting gasket. A sliding ring is provided on the outside of the lead screw and the limit rod, and a threaded barrel is provided on the inner side of the sliding ring of the lead screw, and the threaded barrel is threadedly connected to the lead screw.

[0007] Preferably, a door-pushing rod is embedded in the middle of the sliding ring, the door-pushing rod is rotatably connected to the sliding ring, and a connecting portion is provided at one end of the door-pushing rod away from the sliding ring.

[0008] Preferably, the connecting portion includes a door-connecting bracket and a pin, the door-connecting bracket is rotatably connected to the door-pushing rod, and the connecting positions on both sides of the door-connecting bracket and the door-pushing rod are penetrated by pins.

[0009] Preferably, the connection gasket is fixedly connected to the inner side of the outer shell.

[0010] Preferably, a protective shell is sleeved on the outer side of the front end of the outer shell, and the protective shell is slidably connected to the outer shell.

[0011] Preferably, both left and right ends of the front side of the protective shell are fixedly connected with baffles, a limit rod is arranged through the middle of the baffle on the right side, and the inner side of the baffle on the left side is rotatably connected with a meshing gear 1.

[0012] Beneficial Effects

[0013] The utility model provides an automatic door switch structure. Compared with the prior art, it has the following beneficial effects:

[0014] 1. In the utility model, through the switch driving mechanism and the moving connection mechanism, in the process of opening and closing the door, the transmission gear is controlled to rotate by the micro motor, and the meshing gear 1 rotates successively by meshing with the transmission gear, and the fixed gear inside the meshing gear 1 rotates accordingly, so that the meshing gear 2 meshed on the other side rotates. After the meshing gear 2 rotates, the lead screw connected to the meshing gear 2 through the rotating ring rotates accordingly, and the threaded cylinder connected to the outer thread of the rotated lead screw moves together with the sliding ring, and the door push rod is pulled through the sliding ring. When the micro motor controls the transmission gear to rotate clockwise, the sliding ring together with the door push rod pushes the car door outward, thereby realizing the automatic door opening effect. Conversely, when the micro motor controls the transmission gear to rotate counterclockwise, the sliding ring together with the push rod pulls the car door inward to close the car door, thereby realizing the automatic door opening and closing effect of the car door.

[0015] 2. In the utility model, by providing a connecting portion, the door frame and the door are fixed with screws before the automatic door switch structure is used. Since the connecting portion and the door push rod, as well as the door push rod and the sliding ring are connected in a rotating manner, the door push rod can be adapted to the angle rotation during the door switch process when pulling or pushing the door, and the entire automatic door switch structure is compact and can be installed in the vehicle to reduce the use of space. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of an automatic door switch structure proposed by the utility model;

[0017] Figure 2 This is a solid diagram of the internal three-dimensional structure of an automatic door switch structure proposed by the utility model;

[0018] Figure 3 This is a three-dimensional structural schematic diagram of a door push rod in an automatic door switch structure proposed by the utility model;

[0019] Figure 4 An automatic door switch structure proposed by the utility model Figure 2 A is an enlarged view of the middle image.

[0020] Legend:

[0021] 1. Outer shell; 2. Door push rod; 3. Switch drive mechanism; 301. Micro motor; 302. Transmission gear; 303. Meshing gear 1; 304. Fixed gear; 305. Meshing gear 2; 306. Rotating ring; 4. Mobile connecting mechanism; 401. Lead screw; 402. Limit rod; 403. Connecting gasket; 404. Sliding ring; 405. Threaded cylinder; 5. Connecting part; 501. Door bracket; 502. Pin shaft; 6. Protective shell; 7. Baffle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 The utility model provides two technical solutions, which specifically include the following embodiments:

[0024] Embodiment 1:

[0025] An automatic door switch structure, including an outer shell 1, a switch drive mechanism 3 is arranged on one side of the outer shell 1, the switch drive mechanism 3 includes a micro motor 301, a transmission gear 302, a meshing gear 1 303, a fixed gear 304, a meshing gear 2 305 and a rotating ring 306, the output end of the micro motor 301 is transmission-connected with the transmission gear 302, one side of the transmission gear 302 is meshedly connected with the meshing gear 1 303, the inner side of the meshing gear 1 303 is fixedly connected with the fixed gear 304, one side of the fixed gear 304 is meshedly connected with the meshing gear 2 305, the rear side of the meshing gear 2 305 is fixedly connected with the rotating ring 306, and a moving connection mechanism 4 is arranged on the side of the rotating ring 306 away from the meshing gear 2 305, the moving connection mechanism 4 includes a lead screw 401, a limit rod 402, a connecting gasket 403, a sliding ring 404 and a threaded cylinder 405, one end of the lead screw 401 is fixedly connected to the rotating ring 306, and the other end of the lead screw 401 is rotatably connected to the connecting On the inner side of the gasket 403, it should be noted that the lead screw 401 can also be separated from the connection position of the connection gasket 403, and the separation position can be provided with a bearing rotation connection, a limit rod 402 is provided on one side of the lead screw 401, and one end of the limit rod 402 is rotatably connected to the inner side of the connection gasket 403, and a sliding ring 404 is provided on the outer side of the lead screw 401 and the limit rod 402. The sliding ring 404 is located on the inner side of the lead screw 401 and is provided with a threaded barrel 405, and the threaded barrel 405 is threadedly connected to the lead screw 401. Then, the connecting gasket 403 is fixedly connected to the inner side of the outer shell 1, and the door push rod 2 is pulled through the sliding ring 404. When the micro motor 301 controls the transmission gear 302 to rotate clockwise, the sliding ring 404 together with the door push rod 2 pushes the car door outward, thereby realizing the automatic door opening effect. Conversely, when the micro motor 301 controls the transmission gear 302 to rotate counterclockwise, the sliding ring 404 together with the push rod pulls the car door inward to close the car door, thereby realizing the automatic door opening and closing effect of the car door.

[0026] During operation, in the process of opening and closing the door, the transmission gear 302 is controlled to rotate by the micro motor 301, and the meshing gear 1 303 rotates successively by meshing with the transmission gear 302, and the fixed gear 304 inside the rotated meshing gear 1 303 rotates accordingly, thereby rotating the meshing gear 2 305 meshed on the other side. After the meshing gear 2 305 rotates, the lead screw 401 connected to the meshing gear 2 305 through the rotating ring 306 rotates accordingly, and the threaded cylinder 405 threadedly connected to the outer side of the rotated lead screw 401 moves together with the sliding ring 404.

[0027] Embodiment 2:

[0028] On the basis of the first embodiment, a push-door rod 2 is embedded in the middle of the sliding ring 404, and the push-door rod 2 is rotatably connected to the sliding ring 404. A connecting portion 5 is provided at one end of the push-door rod 2 away from the sliding ring 404, and the connecting portion 5 includes a door bracket 501 and a pin shaft 502. The door bracket 501 is rotatably connected to the push-door rod 2, and the connecting positions on both sides of the door bracket 501 and the push-door rod 2 are penetrated with pin shafts 502, and a threaded hole is opened in the middle of the door bracket 501 for screwing and fixing with the door, and a protective shell 6 is sleeved on the outer side of the front end of the outer shell 1, and the protective shell 6 is slidably connected to the outer shell 1, and baffles 7 are fixedly connected to the left and right ends of the front side of the protective shell 6, and a limit rod 402 is penetrated in the middle of the right baffle 7, and a meshing gear 303 is rotatably connected to the inner side of the left baffle 7;

[0029] Before the automatic door opening and closing structure is used, the door frame and the door are fixed with screws. Since the connecting part 5 and the door push rod 2 and the door push rod 2 and the sliding ring 404 are connected in a rotating manner, the door push rod 2 can be adapted to the angle rotation during the door opening and closing process when pulling or pushing the door.

[0030] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the application should be included in the protection scope of the present application.

Claims

1. An automatic door switch structure, comprising an outer shell (1), characterized in that: A switch drive mechanism (3) is provided on one side of the outer shell (1), and the switch drive mechanism (3) comprises a micro motor (301), a transmission gear (302), a meshing gear one (303), a fixed gear (304), a meshing gear two (305) and a rotating ring (306); the output end of the micro motor (301) is transmission-connected to the transmission gear (302); one side of the transmission gear (302) is meshingly connected to the meshing gear one (303); the inner side of the meshing gear one (303) is fixedly connected to the fixed gear (304); one side of the fixed gear (304) is meshingly connected to the meshing gear two (305); the rear side of the meshing gear two (305) is fixedly connected to the rotating ring (306); and a moving connection mechanism (4) is provided on the side of the rotating ring (306) away from the meshing gear two (305); The movable connection mechanism (4) comprises a lead screw (401), a limit rod (402), a connection gasket (403), a sliding ring (404) and a threaded barrel (405); one end of the lead screw (401) is fixedly connected to the rotating ring (306); the other end of the lead screw (401) is rotatably connected to the inner side of the connection gasket (403); a limit rod (402) is provided on one side of the lead screw (401); one end of the limit rod (402) is rotatably connected to the inner side of the connection gasket (403); a sliding ring (404) is provided on the outer side of the lead screw (401) and the limit rod (402); a threaded barrel (405) is provided on the inner side of the sliding ring (404) located on the lead screw (401); and the threaded barrel (405) is threadedly connected to the lead screw (401).

2. An automatic door switch structure according to claim 1, characterized in that: A door-pushing rod (2) is embedded in the middle of the sliding ring (404), the door-pushing rod (2) is rotatably connected to the sliding ring (404), and a connecting portion (5) is provided at one end of the door-pushing rod (2) away from the sliding ring (404).

3. The automatic door switch structure according to claim 2, characterized in that: The connecting portion (5) comprises a door connecting bracket (501) and a pin shaft (502); the door connecting bracket (501) is rotatably connected to the door pushing rod (2), and the pin shaft (502) is provided through both sides of the connecting position between the door connecting bracket (501) and the door pushing rod (2).

4. The automatic door switch structure according to claim 1, characterized in that: The connecting gasket (403) is fixedly connected to the inner side of the outer shell (1).

5. The automatic door switch structure according to claim 1, characterized in that: A protective shell (6) is sleeved on the outer side of the front end of the outer shell (1), and the protective shell (6) is slidably connected to the outer shell (1).

6. An automatic door switch structure according to claim 5, characterized in that: The left and right ends of the front side of the protective shell (6) are fixedly connected to baffles (7), a limit rod (402) is provided through the middle of the right baffle (7), and a meshing gear 1 (303) is rotatably connected to the inner side of the left baffle (7).

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