CN210439865U

CN210439865U - Pull rope type automobile door driving mechanism

Info

Publication number: CN210439865U
Application number: CN201920849812.1U
Authority: CN
Inventors: 潘忠利
Original assignee: Wuxi Krapelong Automotive Technology Co ltd
Current assignee: Wuxi Krapelong Automotive Technology Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-05-01
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a stay cord formula car door actuating mechanism, which comprises a motor, gear box and spacing arm, place in the car door in motor and the gear box is all, the power output shaft of motor still is connected with the income power portion location of gear box, place in the car door in spacing arm length direction's one end is free, length direction's other end activity is worn to establish behind the car door, and rotate with the car automobile body and be connected, spacing arm still is connected with the output shaft of gear box through drive assembly simultaneously, drive assembly has the location and cup joints at the epaxial reel of gear box output and two stay cords of twining respectively on the reel, the winding opposite direction of two stay cords, the one end of two stay cords still is connected with the reel location respectively, the other end of two stay cords is connected with the both ends location of spacing arm length direction respectively. The pull rope type automobile door driving mechanism is simple and reasonable in structure, low in technical requirements on production process and assembly, easy to install and apply and good in use safety performance.

Description

Pull rope type automobile door driving mechanism

Technical Field

The utility model relates to the technical field of automobiles, specifically provide a stay cord formula car door actuating mechanism.

Background

Automobile door on the existing market can realize electronic opening and closing, and realize the door actuating mechanism routine adoption following structure of above-mentioned electric switch door function: comprises a motor, a gear box, a transmission gear and a limit arm, wherein the motor and the gear box are both arranged in the door of the automobile, the power output shaft of the motor is connected with the input shaft or the input gear of the gear box in a positioning way, the transmission gear is positioned and sleeved on the output shaft of the gear box, the limiting arm is provided with a strip-shaped arm main body and a rack which is positioned on the arm main body and extends along the length direction of the arm main body, one end of the arm main body in the length direction is freely arranged in the automobile door, the other end of the arm main body in the length direction movably penetrates through the automobile door, and is rotationally connected with the automobile body, and the rack is also meshed and connected with the transmission gear, namely, the limiting arm can perform reciprocating movement positioning under the synergistic action of the motor, the gear box and the transmission gear so as to realize the door opening or closing action of the automobile door.

Although the electric switch door with time saving, labor saving and high safety can be realized by the vehicle door driving mechanism, the design requirement of the vehicle door driving mechanism on the transmission gear and the limiting arm is high, if the structure/size matching is not ideal slightly, the stability and the accuracy when the limiting arm moves are not ideal, so that the opening and closing degree of the vehicle door is not ideal, and the use safety performance of the vehicle door is reduced.

In view of this, the present invention is especially provided.

Disclosure of Invention

In order to overcome the defects, the utility model provides a stay cord formula car door actuating mechanism, its simple structure, reasonable, low to production technology and the technical requirement of assembly to make car door actuating mechanism change in the installation and use, and the safety in utilization can be good.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: a pull rope type automobile door driving mechanism comprises a motor, a gear box and a long-strip-shaped limiting arm, wherein the motor and the gear box are arranged in an automobile door and are linearly arranged, a power output shaft of the motor is connected with a force input part of the gear box in a positioning mode, one end of the limiting arm in the length direction is freely arranged in the automobile door, the other end of the limiting arm in the length direction movably penetrates through the automobile door and is connected with an automobile body in a rotating mode, and meanwhile the limiting arm is connected with a force output shaft of the gear box through a transmission assembly, namely the limiting arm can perform reciprocating movement positioning in the length direction under the synergistic effect of the motor, the gear box and the transmission assembly, so that the opening or closing of the automobile door is achieved; the transmission assembly has reel and two stay cords, the reel location cup joint in on the output shaft of gear box, two the stay cord twine respectively in on the reel, and winding opposite direction, two simultaneously the one end of stay cord still equally divide do not with reel location is connected, two the other end of stay cord still respectively with the both ends location of spacing arm length direction is connected.

As a further improvement of the utility model, the motor with the gear box is arranged in proper order from bottom to top, just the motor is still relative car door rigidity, the output shaft of gear box is directional upwards.

As a further improvement, the limiting arm has a curvature and is movably arranged above the housing of the gear box, and the concrete implementation structure is: be equipped with one by the plastic material make accept the seat, accept the seat have one with the shell upside location of gear box is connected accept the seat main part, it has seted up a confession to run through in the seat main part the perforation of wearing to put of the play axle activity of gear box, just it dorsad to accept the seat main part still the location is provided with one and supplies the mounting panel of being connected with the inboard location of car door, one is the arc form and is used for acceping the arc frame of reel and one for rectangular cubic and with the nock of arc frame is the dog of mutual disposition, wherein seted up a confession on the mounting panel the first hole groove of wearing to establish is worn in the other end activity of spacing arm length direction, just the mounting panel the arc frame with the dog still encloses into together and encloses into one and can accept and restrict the spacing space that spacing arm removed.

As a further improvement of the utility model, the bearing seat main body is connected to the upper side of the shell of the gear box through a screw lock; the mounting plate, the arc frame and the stop block are respectively and integrally formed on the upper side of the bearing seat main body, and the mounting plate is also respectively connected with the arc frame and the stop block;

in addition, a first steel ball capable of being exposed out of the upper side of the bearing seat body is movably embedded at the position, corresponding to the limiting arm, on the upper side of the bearing seat body, a second steel ball capable of being exposed out of the inner wall of the stop block is movably embedded on the inner wall, facing the arc frame, of the stop block, and a mounting lug for positioning and connecting the inner side of the automobile door is further positioned and arranged on the outer wall, facing away from the arc frame, of the stop block.

As a further improvement, the limiting arm is provided with a base body made of metal material, and the base body is externally wrapped by a plastic body.

As a further improvement, the utility model discloses a realize the both ends of spacing arm length direction respectively with two the structure of the other end location connection of stay cord is: a first mounting clamping groove is formed at one end of the plastic body in the length direction, and a second mounting clamping groove is formed at the other end of the plastic body in the length direction; two divide equally on the other end of stay cord respectively fixed mounting have a joint head, and two the joint head can correspond respectively the location connect in first installation draw-in groove with in the second installation draw-in groove.

As a further improvement of the present invention, the second mounting grooves are two and are arranged back to back.

As a further improvement of the utility model, a rubber pad has still been cup jointed on the spacing arm, the rubber pad still is located spacing space dorsad outside one side of mounting panel.

As a further improvement of the utility model, realize the other end of spacing arm length direction and the structure of automobile body rotation connection do: the automobile body is also provided with an installation support and a pin shaft, wherein the installation support is connected to the automobile body in a positioning manner, and the pin shaft is connected to the installation support in a positioning manner;

the other end of the plastic body in the length direction is also integrally formed with a ring-shaped connector, and the connector is rotatably sleeved on the pin shaft.

① compare in prior art and adopt gear, rack to realize the transmission, the utility model discloses the transmission subassembly that comprises reel and two stay cords that adopts when guaranteeing to realize door electric switch function, still greatly reduced to production technology and assembly technical requirement for car door actuating mechanism changes in the installation and uses, and uses the security performance good ② among the car door actuating mechanism, spacing arm has the curvature, and it can be fine when installing in the car door like this dodge open car door sheet metal component, glass etc. make spacing arm installs more easily ③ spacing arm has a base member made by the metal material and wraps up in through the fixed parcel of rubber coating technology outside the base member, can make spacing arm possesses light, intensity advantage simultaneously ④ the utility model discloses still set a bearing seat, and be formed with on the bearing seat and can accept and restrict the spacing space that spacing arm removed to can promote greatly stability and the accurate arm when removing in addition, the utility model discloses a rubber pad still set up the effective life-time of the contact of the door and the effectual not only prevents that the door from not only effectively to open the door and the drawback of the contact of the door.

Drawings

Fig. 1 is a schematic perspective view of a pull-rope type vehicle door driving mechanism according to the present invention;

fig. 2 is a schematic view of a partial three-dimensional structure of the pull rope type automobile door driving mechanism of the present invention;

fig. 3 is a schematic structural view of the motor, the gear box, the transmission assembly and the limiting arm of the present invention after being assembled together and at a first viewing angle;

fig. 4 is a schematic structural view of the motor, the gear box, the transmission assembly and the limiting arm of the present invention after being assembled together and at a second viewing angle;

fig. 5 is a schematic structural view of the socket of the present invention.

The following description is made with reference to the accompanying drawings:

1-motor 2-gear box

3-spacing arm 30-first installation card groove

31-second mounting slot 40-reel

41-pull rope 5-bearing seat

50-socket main body 51-mounting plate

52-arc frame 53-stop block

54-first Steel ball 55-second Steel ball

56-mounting lug 6-rubber pad

70-mounting support 71-pin shaft

Detailed Description

Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the disclosure herein.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relation or adjustment of the size should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. The terms "first" and "second" used herein are used for convenience of description and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Example 1:

please refer to fig. 1 to fig. 4, which are a schematic three-dimensional structure diagram, a schematic partial structure diagram, and a schematic structural diagram of the motor, the gear box, the transmission assembly and the limiting arm assembled together and located at two different viewing angles according to the present invention.

The utility model relates to a stay cord type automobile door driving mechanism, which comprises a motor 1, a gear box 2 and a long strip-shaped limiting arm 3, wherein the motor 1 and the gear box 2 are both arranged in an automobile door and are linearly arranged, and the power output shaft of the motor 1 is also connected with the input part of the gear box 2 in a positioning way, one end of the limiting arm 3 in the length direction is freely arranged in the automobile door, the other end of the limiting arm 3 in the length direction movably penetrates through the back of the automobile door and is rotatably connected with the automobile body, meanwhile, the limit arm 3 is also connected with the output shaft of the gear box 2 through a transmission component, namely, the limiting arm 3 can perform reciprocating movement positioning along the length direction thereof under the synergistic action of the motor 1, the gear box 2 and the transmission assembly, so as to realize the door opening or closing action of the automobile door; particularly, the transmission assembly has reel 40 and two stay cords 41, reel 40 location cup joints in on the power output shaft of gear box 2, two stay cords 41 twine respectively on reel 40, and winding direction is opposite, two simultaneously the one end of stay cord 41 still equally divide respectively with reel 40 location is connected, two the other end of stay cord 41 still respectively with spacing arm 3 length direction's both ends location is connected. Compare and adopt gear, rack to realize the transmission among the prior art, the utility model discloses the transmission assembly who comprises reel and two stay cords that adopts, when guaranteeing to realize door electric switch function, still greatly reduced to production technology and the technical requirement of assembling for door actuating mechanism changes in the installation and uses, and the safety in utilization can be good.

In this embodiment, preferably, the motor 1 and the gear box 2 are sequentially arranged from bottom to top, and the motor 1 is further fixed relative to the position of the vehicle door, the input portion of the gear box 2 adopts an input shaft or an input gear structure, and the output shaft of the gear box 2 points upward.

In this embodiment, preferably, the limiting arm 3 has a curvature and is movably disposed above the housing of the gear box 2, and the specific implementation structure is as follows: a bearing seat 5 made of plastic material is provided, as shown in the attached figures 2 and 5, the bearing seat 5 is provided with a bearing seat main body 50 which is positioned and connected with the upper side of the shell of the gear box 2, a through hole for the output shaft of the gear box 2 to movably penetrate is formed on the bearing seat main body 50, and the upper side of the bearing seat main body 50, which is back to the gear box 2, is also positioned and provided with a mounting plate 51 for positioning and connecting the inner side of the automobile door, an arc frame 52 which is arc-shaped and is used for accommodating the reel 40, and a stop block 53 which is long block-shaped and is arranged opposite to the arc opening of the arc frame 52, wherein the mounting plate 51 is provided with a first hole slot for the other end of the limiting arm 3 in the length direction to movably penetrate, and the mounting plate 51, the arc frame 52 and the stopper 53 also surround a limit space capable of bearing and limiting the movement of the limit arm 3. The limiting arm has curvature, so that automobile door sheet metal parts, glass and the like can be well avoided when the limiting arm is installed, and the limiting arm is easier to install; in addition, the limiting space surrounded by the mounting plate, the arc frame and the stop block can improve the stability and the accuracy of the limiting arm during movement.

Preferably, the socket body 50 is fastened to the upper side of the housing of the gear box 2 by screws; the mounting plate 51, the arc frame 52 and the stopper 53 are integrally formed on the upper side of the socket body 50, and the mounting plate 51 is further connected with the arc frame 52 and the stopper 53;

in addition, a first steel ball 54 capable of being exposed outside the upper side of the bearing seat main body 50 is movably embedded at a position corresponding to the limiting arm 3 on the upper side of the bearing seat main body 50, a second steel ball 55 capable of being exposed outside the inner wall of the stopper 53 is movably embedded on the inner wall of the stopper 53 facing the arc frame 52, and the first and second steel balls are configured, so that the disadvantages of abnormal sound, abrasion and the like generated when the plastic body is in direct contact with the bearing seat main body 50 and the stopper 52 can be effectively avoided; in addition, the embedding way of the first steel ball and the second steel ball can be realized by arranging embedding grooves on the upper side of the bearing seat main body and the inner wall of the stop block; and the outer wall of the stop block 53, which faces away from the arc frame 52, is also provided with a mounting lug 56 for positioning and connecting with the inner side of the automobile door, so that the whole automobile door driving mechanism can be further reinforced.

In this embodiment, preferably, the limiting arm 3 has a base body made of a metal material (such as iron), and a plastic body is fixedly wrapped outside the base body through an encapsulation process, and the combination of the metal base body and the plastic member enables the limiting arm to have the advantages of light weight, high strength and the like.

Further preferably, the structure for realizing the positioning connection between the two ends of the limiting arm 3 in the length direction and the other ends of the two pulling ropes 41 is as follows: a first mounting slot 30 is formed at one end of the plastic body in the length direction, and a second mounting slot 31 is formed at the other end of the plastic body in the length direction (see fig. 3 and 4); two draw cords 41's the other end is divided into the fixed mounting and is divided into a joint, and two the joint can respectively correspond the location connect in first installation draw-in groove 30 with in second installation draw-in groove 31.

Further preferably, the number of the second mounting slots 31 is two, and the two second mounting slots are arranged back to back, so that the limiting arm can be shared by the left vehicle door and the right vehicle door, and management is facilitated.

In this embodiment, preferably, a rubber pad 6 is further sleeved on the limiting arm 3, and the rubber pad 6 is further located outside a side of the limiting space facing away from the mounting plate 51. The rubber pad can play the effect of preventing the spacing arm excessively removes, the drawback of door crossing promptly. In addition, the rubber pad is freely installed, can be movably sleeved on the limiting arm and can be bonded or clamped on one side of the bearing seat.

In this embodiment, preferably, the structure for realizing the rotational connection between the other end of the limiting arm 3 in the length direction and the vehicle body is as follows: the automobile body is further provided with an installation support 70 and a pin shaft 71, the installation support 70 is connected to the automobile body in a positioning mode, and the pin shaft 71 is connected to the installation support 70 in a positioning mode;

the other end of the plastic body in the length direction is also integrally formed with a ring-shaped connector, and the connector is rotatably sleeved on the pin shaft 71.

To sum up, stay cord formula car door actuating mechanism's simple structure, reasonable, low to production technology and the technical requirement on the assembly to make car door actuating mechanism change in the installation and use, and the safety in utilization can be good.

The above description is only a preferred embodiment of the present invention, but not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as within the protection scope of the present invention.

Claims

1. A pull rope type automobile door driving mechanism comprises a motor (1), a gear box (2) and a long-strip-shaped limiting arm (3), wherein the motor (1) and the gear box (2) are all arranged in an automobile door and are linearly arranged, a power output shaft of the motor (1) is also connected with a force input part of the gear box (2) in a positioning mode, one end of the length direction of the limiting arm (3) is freely arranged in the automobile door, the other end of the length direction of the limiting arm (3) movably penetrates through the automobile door and is rotatably connected with an automobile body, the limiting arm (3) is also connected with a force output shaft of the gear box (2) through a transmission assembly, namely the limiting arm (3) can perform reciprocating movement positioning along the length direction of the limiting arm under the synergistic action of the motor (1), the gear box (2) and the transmission assembly, the door opening or closing action of the automobile door is realized; the method is characterized in that: drive assembly has reel (40) and two stay cords (41), reel (40) location cup joint in gear box (2) go out epaxial, two stay cord (41) twine respectively in on reel (40) and winding opposite direction, two simultaneously the one end of stay cord (41) still equally divide do not with reel (40) location is connected, two the other end of stay cord (41) still respectively with spacing arm (3) length direction's both ends location is connected.

2. The pull-cord-type vehicle door drive mechanism according to claim 1, characterized in that: the motor (1) and the gear box (2) are sequentially arranged from bottom to top, the motor (1) is fixed relative to the position of the automobile door, and the output shaft of the gear box (2) points upwards.

3. The pull-cord-type vehicle door drive mechanism according to claim 2, characterized in that: spacing arm (3) have the curvature and the activity is laid the shell top of gear box (2), concrete implementation structure does: be equipped with one and be made by the plastic material accept seat (5), accept seat (5) have one with the shell upside location of gear box (2) is connected accept seat main part (50), it has offered a confession to run through on the accept seat main part (50) the perforation that the output shaft activity of gear box (2) was worn to put, just accept seat main part (50) dorsad still the location is provided with one and supplies mounting panel (51) that the inboard location of car door is connected on the upside of gear box (2), one is the arc form and is used for acceping arc frame (52) of reel (40) and one for rectangular cubic and with the nock of arc frame (52) is dog (53) of mutual disposition, wherein offer a confession on mounting panel (51) the first hole groove that spacing arm (3) length direction's other end activity was worn to establish, just mounting panel (51), The arc frame (52) and the stop block (53) further surround a limiting space which can bear and limit the movement of the limiting arm (3).

4. The pull-cord-type vehicle door drive mechanism according to claim 3, characterized in that: the bearing seat main body (50) is fixedly connected to the upper side of the shell of the gear box (2) through screws; the mounting plate (51), the arc frame (52) and the stop block (53) are respectively and integrally formed on the upper side of the bearing seat main body (50), and the mounting plate (51) is also respectively connected with the arc frame (52) and the stop block (53);

in addition, a first steel ball (54) capable of being exposed out of the upper side of the bearing seat main body (50) is movably embedded at the position, corresponding to the limiting arm (3), on the upper side of the bearing seat main body (50), a second steel ball (55) capable of being exposed out of the inner wall of the stop block (53) is movably embedded on the inner wall, facing the arc frame (52), of the stop block (53), and a mounting lug (56) for positioning and connecting the inner side of an automobile door is further positioned and arranged on the outer wall, facing away from the arc frame (52), of the stop block (53).

5. The pull-cord-type vehicle door drive mechanism according to claim 3, characterized in that: the limiting arm (3) is provided with a base body made of metal materials, and a plastic body is fixedly wrapped outside the base body.

6. The pull-cord-type vehicle door drive mechanism according to claim 5, characterized in that: the two ends of the limiting arm (3) in the length direction are respectively connected with the other ends of the two pull ropes (41) in a positioning manner through the following structures: a first mounting clamping groove (30) is formed at one end of the plastic body in the length direction, and a second mounting clamping groove (31) is formed at the other end of the plastic body in the length direction; and the other ends of the two pull ropes (41) are respectively and fixedly provided with a clamping joint, and the two clamping joints can be respectively and correspondingly positioned and connected in the first installation clamping groove (30) and the second installation clamping groove (31).

7. The pull-cord-type vehicle door drive mechanism according to claim 6, characterized in that: the number of the second mounting clamping grooves (31) is two, and the two second mounting clamping grooves are arranged back to back.

8. The pull-cord-type vehicle door drive mechanism according to claim 3, characterized in that: the limiting arm (3) is further sleeved with a rubber pad (6), and the rubber pad (6) is further positioned outside one side, back to the mounting plate (51), of the limiting space.

9. The pull-cord-type vehicle door drive mechanism according to claim 5, characterized in that: realize spacing arm (3) length direction's the other end and the structure of automobile body rotation connection do: the automobile body is also provided with an installation support (70) and a pin shaft (71), the installation support (70) is connected to the automobile body in a positioning mode, and the pin shaft (71) is connected to the installation support (70) in a positioning mode;

the other end of the plastic body in the length direction is also integrally formed with a ring-shaped connector, and the connector is rotatably sleeved on the pin shaft (71).