CN220184886U

CN220184886U - Door handle actuator

Info

Publication number: CN220184886U
Application number: CN202321691699.1U
Authority: CN
Inventors: 任瑶; 周金坤
Original assignee: Ningbo Depu Automotive Systems Co ltd
Current assignee: Ningbo Depu Automotive Systems Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-15
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses a door handle actuator, which comprises a shell and a driving motor, wherein the driving motor is arranged in the shell, a telescopic rod and a gear transmission group for driving the telescopic rod to rotate and stretch are also arranged in the shell, a driving worm is arranged on an output shaft of the driving motor, the driving worm drives the gear transmission group to rotate, the telescopic rod is provided with a meshing part, and the meshing part is meshed with the gear transmission group; the gear transmission group can convert the transverse designed gears with the traditional design into vertical settings, so that the transverse width of the door handle actuator can be effectively reduced, and the installation space is saved. The meshing performance of the driving worm and the gear transmission group is good, meanwhile, the meshing part of the telescopic rod and the gear transmission group can effectively avoid the reverse rotation of the gear transmission group, and the driving worm and the gear transmission group have stronger synchronous matching performance, so that the telescopic stroke of the telescopic rod is accurately controlled.

Description

Door handle actuator

Technical Field

The utility model relates to a door handle actuator.

Background

Automobiles have been widely used as transportation means in calendar life as a transportation means. Most of the existing automobile handles are of convex design, namely the handle part of the automobile is exposed out of the door. This form of handle, while convenient for the user to use, is also susceptible to being damaged by rubbing, especially outdoors and when parked in confined areas.

With the development of technology, the prior art adopts hidden door handle structure to avoid the evagination of handle more, but current hidden door handle structure occupation space is great and because the wearing and tearing problem of cooperation problem and long-time use easily leads to not hard up in the use, especially can not shrink completely in the shrink process. The existing door handle actuator is directly driven by a circular gear, has high requirements on the driving capability of a motor, is easy to reverse and damage the inductor and other parts when encountering external force, and particularly provides a novel door handle actuator for solving the problems.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the door handle actuator is simple in structure, capable of effectively preventing reverse rotation caused by external action and good in synchronism.

In order to solve the technical problems, the utility model is solved by the following technical scheme: the utility model provides a door handle executor, includes casing and driving motor, driving motor install in the casing, the casing in still be provided with telescopic link and drive the rotatory flexible gear drive group of telescopic link, driving motor's output shaft be provided with the drive worm, the drive worm drive gear drive group rotatory, the telescopic link be provided with the meshing portion, the meshing portion with gear drive group mesh mutually.

Further, the gear transmission group comprises a first transmission tooth and a second transmission tooth, the first transmission tooth comprises a first helical tooth and a second helical tooth which are coaxially fixed, the second transmission tooth comprises a third helical tooth and a driven worm which are coaxially fixed, the driving worm is meshed with the first helical tooth, the second helical tooth is meshed with the third helical tooth, and the driven worm is meshed with the meshing part of the telescopic rod; the multi-stage transmission mechanism has the advantages that multistage transmission can be realized through the arranged first transmission teeth and second transmission teeth, the driving worm is meshed with the first bevel gears, the second bevel gears are meshed with the third bevel gears, and the driven worm is meshed with the meshing part of the telescopic rod, so that the transmission reliability can be effectively ensured, the reverse rotation of the gears caused by the interference of external force is avoided, and the resistance of the gear transmission group is improved.

Further, a first fixed shaft and a second fixed shaft are arranged in the shell, the first transmission teeth are rotatably sleeved outside the first fixed shaft, and the second transmission teeth are rotatably sleeved outside the second fixed shaft; the gear transmission assembly has the advantages that the gear transmission assembly can be conveniently assembled through the arrangement of the first fixing shaft and the second fixing shaft, and the assembly efficiency is improved.

Further, the engagement part is a spiral gear coaxially arranged with the telescopic rod, the telescopic rod and the output shaft of the driving motor are positioned on the same plane, and the second fixed shaft is obliquely arranged between the output shaft and the telescopic rod; the door handle actuator has the advantages that the width of the door handle actuator can be effectively reduced while gear transmission is realized by obliquely arranging the second fixing shaft between the output shaft and the telescopic rod, and the first transmission teeth and the second transmission teeth can be arranged side by side to replace transverse transmission through vertical transmission.

Furthermore, the telescopic rod is also provided with a screw rod part, and the inner side wall of the shell is provided with a thread tooth in threaded connection with the screw rod part; the door handle actuator has the advantages that the rotation telescoping reliability of the telescopic rod can be further guaranteed through the screw rod part, the longitudinal shaking phenomenon is reduced, the telescoping precision is improved through the cooperation of the rotary thread teeth and the screw rod part, the anti-revolving performance of the telescopic rod can be effectively improved, namely the resistance can be effectively improved and the revolving is avoided due to the cooperation of the screw rod part and the thread teeth when the door handle actuator is subjected to external force after being assembled and used on a vehicle.

Further, the shell is provided with a telescopic opening, the end part of the telescopic rod movably penetrates out of the telescopic opening, the side wall of the telescopic opening is provided with a sealing groove, a sealing ring is arranged in the sealing groove, and the sealing ring is sleeved outside the telescopic rod; the door handle actuator has the advantages that the operation reliability of the gear transmission set can be effectively guaranteed through the arrangement of the telescopic opening and the sealing ring at the telescopic opening, sundry dust and the like are prevented from entering the inside of the shell through the telescopic opening, and therefore the service life of the door handle actuator is prolonged.

Further, an auxiliary hole is formed in the side wall of the shell, and the end part of the output shaft of the driving motor is rotatably arranged in the auxiliary hole; the advantage lies in that through the auxiliary hole that sets up, can ensure the rotation reliability of driving motor output shaft, avoid rocking to improve the output accuracy of gear drive group.

Further, the shell comprises an upper mounting seat and a lower mounting seat which are detachably fixed, and a mounting cavity is formed in the upper mounting seat and the lower mounting seat after the upper mounting seat and the lower mounting seat are fixed; the door handle actuator has the advantages that the assembly convenience of the door handle actuator can be improved through the detachable installation of the upper installation seat and the lower installation seat, and meanwhile, the later cleaning and maintenance and the replacement of parts can be facilitated.

Further, the driving motor is electrically connected with a control circuit board, the control circuit board is installed in the shell, the control circuit board is also connected with a detection module, the rear end of an output shaft of the driving motor is fixed with a magnet, and the detection module is used for detecting the number of turns of the magnet driven by the output shaft of the driving motor; the advantage lies in can realize driving motor's sensitive control through the control circuit board that sets up, and can detect magnet rotation number of turns through the detection module who sets up, and then reflect driving motor's rotation stroke, improves driving motor control's accuracy, and then improves the stroke control precision of telescopic link.

Compared with the prior art, the utility model has the following beneficial effects: the gear transmission group can convert the transverse designed gears with the traditional design into vertical settings, so that the transverse width of the door handle actuator can be effectively reduced, and the installation space is saved. The meshing performance of the driving worm and the gear transmission group is good, the telescopic rod is suitable for heavy load places, meanwhile, the gear transmission group can be effectively prevented from reversing by meshing the meshing part of the telescopic rod and the gear transmission group, and the telescopic rod has strong synchronous coordination performance, so that the telescopic stroke of the telescopic rod is accurately controlled.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of an assembled position of a gear train of the present utility model;

FIG. 3 is a disassembled schematic of FIG. 1;

FIG. 4 is a schematic view of the structure of the lower mounting base of the present utility model;

fig. 5 is a schematic structural view of the gear assembly of the present utility model.

Detailed Description

The present utility model is described in further detail below with reference to the accompanying drawings.

The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.

The door handle actuator as shown in the accompanying drawings 1-5 comprises a shell 1 and a driving motor 2, wherein the driving motor 2 is arranged in the shell 1, a telescopic rod 5 and a gear transmission group 4 for driving the telescopic rod 5 to rotate and stretch are further arranged in the shell 1, a driving worm 3 is arranged on an output shaft of the driving motor 2, the driving worm 3 drives the gear transmission group 4 to rotate, a meshing part 5.1 is arranged on the telescopic rod 5, and the meshing part 5.1 is meshed with the gear transmission group 4. The gear transmission group 4 comprises a first transmission tooth 4.1 and a second transmission tooth 4.2, the first transmission tooth 4.1 comprises a first helical tooth 4.11 and a second helical tooth 4.12 which are coaxially fixed, the second transmission tooth 4.2 comprises a third helical tooth 4.21 and a driven worm 4.22 which are coaxially fixed, the driving worm 3 is meshed with the first helical tooth 4.11, the second helical tooth 4.12 is meshed with the third helical tooth 4.21, and the driven worm 4.22 is meshed with the meshing part 5.1 of the telescopic rod 5; on the basis, the first fixed shaft 4.3 and the second fixed shaft 4.4 are arranged in the shell 1, the first transmission gear 4.1 is rotatably sleeved outside the first fixed shaft 4.3, the second transmission gear 4.2 is rotatably sleeved outside the second fixed shaft 4.4, and the assembly efficiency can be improved by the arrangement of the first fixed shaft 4.3 and the second fixed shaft 4.4, so that the assembly of the gear transmission group 4 is facilitated.

The gear transmission mechanism is characterized in that the meshing part 5.1 is a spiral gear which is coaxially arranged with the telescopic rod 5, the gear transmission mechanism is in a 45-degree spiral gear shape, the telescopic rod 5 and an output shaft of the driving motor 2 are located on the same plane, the second fixed shaft 4.4 is obliquely arranged between the output shaft and the telescopic rod 5, the same first fixed shaft 4.3 is also arranged between the output shaft and the telescopic rod 5, the width of the door handle actuator can be effectively reduced while gear transmission is realized through the second fixed shaft 4.4 being obliquely arranged between the output shaft and the telescopic rod 5, namely, a gear which is transversely designed and is arranged in a traditional way can be converted into a vertical way through the arranged gear transmission group 4, so that the transverse width of the door handle actuator can be effectively reduced, and the installation space is saved.

In order to improve the reliability of the rotary movement of the telescopic rod 5, the telescopic rod 5 of the utility model is also provided with a screw rod part 5.2, and the inner side wall of the shell 1 is provided with a thread tooth 1.8 which is in threaded connection with the screw rod part 5.2; the cooperation of lead screw portion 5.2 and screw tooth 1.8 has reliably reduced the possibility that vertically rocked, and the while accessible rotates screw tooth 1.8 and lead screw portion 5.2's cooperation and improves flexible precision, and can effectively improve telescopic link 5's anti gyration performance, promptly because lead screw portion 5.2 and screw tooth 1.8's cooperation can effectively improve the resistance and avoid gyration when door handle executor receives the exogenic action when the assembly is used on the vehicle.

According to the door handle actuator, the telescopic opening 1.6 is formed in the shell 1, the end part of the telescopic rod 5 movably penetrates out of the telescopic opening 1.6, the side wall of the telescopic opening 1.6 is provided with the sealing groove 1.7, the sealing groove 1.7 is internally provided with the sealing ring 6, and the sealing ring 6 is sleeved outside the telescopic rod 5, so that sundry dust and the like are prevented from entering the shell 1 through the telescopic opening 1.6, and the service life of the door handle actuator is prolonged.

When the output shaft of the driving motor 2 rotates to work, an auxiliary hole 1.9 is formed in the side wall of the shell 1 for improving the stability of the output shaft, and the end part of the output shaft of the driving motor 2 is rotationally arranged in the auxiliary hole 1.9, so that the shaking of the output shaft is avoided, and the output precision of the gear transmission set 4 is improved.

For the assembly of convenient driving motor 2 and gear train group 4 in casing 1, casing 1 is including dismantling fixed mount pad 1.1 and lower mount pad 1.2, go up mount pad 1.1 and its inside installation cavity that is formed with down after mount pad 1.2 is fixed, specifically, all be provided with corresponding motor assembly groove 1.3 at last mount pad 1.1 and lower mount pad 1.2, gear train assembly groove 1.4 and telescopic link 5 assembly groove 1.5, go up the sealed installation cavity of stroke after mount pad 1.1 and lower mount pad 1.2 assembly are accomplished, driving motor 2, gear train group 4, the telescopic link is assembled in corresponding motor assembly groove 1.3, gear train assembly groove 1.4, telescopic link assembly groove 1.5, in the equipment convenience that improves the door handle executor, the clearance maintenance of later stage and the change of spare part of still can be convenient for simultaneously.

It should be noted that, the driving motor 2 of the present utility model is electrically connected with the control circuit board 7, the control circuit board 7 is installed in the housing 1, the control circuit board 7 is also connected with the detection module, the detection component of the detection module is a hall sensor, the rear end of the output shaft of the driving motor 2 is fixed with the magnet 8, the detection module is used for detecting the number of turns of the rotation of the magnet 8 driven by the output shaft of the driving motor 2, the set control circuit board 7 can realize the sensitive control of the driving motor 2, and the set detection module can detect the number of turns of the rotation of the magnet 8, so as to reflect the rotation stroke of the driving motor 2, improve the control accuracy of the driving motor 2, and further improve the stroke control accuracy of the telescopic rod 5.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the present utility model may be modified or practiced without departing from the principles.

Claims

1. The utility model provides a door handle executor, includes casing and driving motor, driving motor install in the casing, its characterized in that, the casing in still be provided with telescopic link and drive the rotatory flexible gear drive group of telescopic link, driving motor's output shaft be provided with the drive worm, the drive worm drive gear drive group rotatory, the telescopic link be provided with the meshing portion, meshing portion with gear drive group mesh mutually.

2. The door handle actuator of claim 1 wherein said gear train includes a first gear and a second gear, said first gear including first and second coaxially fixed helical teeth, said second gear including third coaxially fixed helical teeth and a driven worm, said driving worm engaging said first helical teeth, said second helical teeth engaging said third helical teeth, said driven worm engaging said engagement portion of said telescoping rod.

3. The door handle actuator of claim 2, wherein the housing is provided with a first fixed shaft and a second fixed shaft, the first gear is rotatably sleeved outside the first fixed shaft, and the second gear is rotatably sleeved outside the second fixed shaft.

4. A door handle actuator according to claim 3, wherein the engagement portion is a helical gear coaxially provided with a telescopic rod, the telescopic rod and an output shaft of the driving motor are positioned on the same plane, and the second fixed shaft is provided obliquely between the output shaft and the telescopic rod.

5. The door handle actuator of claim 1, wherein the telescopic rod is further provided with a screw rod portion, and the inner side wall of the housing is provided with screw teeth screwed with the screw rod portion.

6. The door handle actuator according to claim 1, wherein the housing is provided with a telescopic opening, the end portion of the telescopic rod movably penetrates out of the telescopic opening, a sealing groove is formed in the side wall of the telescopic opening, a sealing ring is arranged in the sealing groove, and the sealing ring is sleeved outside the telescopic rod.

7. The door handle actuator of claim 1, wherein the side wall of the housing is provided with an auxiliary hole, and the end of the drive motor output shaft is rotatably disposed in the auxiliary hole.

8. The door handle actuator of claim 1, wherein the housing includes upper and lower detachably secured mounts, the upper and lower mounts having mounting cavities formed therein after being secured.

9. The door handle actuator of claim 1, wherein the driving motor is electrically connected with a control circuit board, the control circuit board is installed in the housing, the control circuit board is further connected with a detection module, a magnet is fixed at the rear end of an output shaft of the driving motor, and the detection module is used for detecting the number of turns of the magnet driven by the output shaft of the driving motor.