CN221096191U - Door handle actuator and door - Google Patents

Abstract

The utility model discloses a door handle actuator and a vehicle door, and belongs to the technical field of vehicle doors. The shell is provided with an accommodating cavity; the actuating mechanism is of an integrated structure and comprises an actuating rod and a transmission piece, one end of the actuating rod is positioned outside the shell and is used for being connected with a handle of the vehicle door, the other end of the actuating rod is positioned in the accommodating cavity and is connected with the transmission piece, and the transmission piece is movably arranged in the accommodating cavity; the driving mechanism is arranged in the shell and is configured to drive the transmission piece to move so as to drive the actuating rod to extend or retract the shell.

Description

Door handle actuator and door

Technical Field

The utility model relates to the technical field of vehicle doors, in particular to a door handle actuator and a vehicle door.

Background

Door handles are an integral part of automobiles, and users open the doors by pulling the door handles. At present, in order to ensure good appearance of a vehicle, a door generally adopts a hidden door handle, a door handle actuator is arranged in the door, and the door handle is driven by the door handle actuator.

In the prior art, the door handle driver comprises a shell, a motor arranged in the shell, a transmission assembly slidably arranged in the shell and driven to move by the motor, and an execution rod penetrating through the shell and connected with the transmission assembly. One end of the actuating rod, which is positioned outside the shell, is connected with the door handle, and when the door handle needs to be exposed, the motor drives the transmission assembly to slide in the shell and push the actuating rod to extend out so as to push the door handle out of the vehicle door. In the prior art, the materials of the transmission assembly and the actuating rod are generally different, and the connection mode between the transmission assembly and the actuating rod is generally welding or clamping, so that the connection between the transmission assembly and the actuating rod is easy to lose efficacy, further, the driving failure of the handle is caused, and further, the reliability is poor.

Disclosure of utility model

The utility model aims to provide a door handle actuator and a vehicle door, which have high connection reliability.

The technical scheme adopted by the utility model is as follows:

a door handle actuator comprising:

The shell is provided with a containing cavity and an exhaust hole communicated with the containing cavity;

The actuating mechanism is of an integrated structure and comprises an actuating rod and a transmission piece, one end of the actuating rod is positioned outside the shell and is used for being connected with a handle of the vehicle door, the other end of the actuating rod is positioned in the accommodating cavity and is connected with the transmission piece, and the transmission piece is movably arranged in the accommodating cavity;

The driving mechanism is arranged in the shell and is configured to drive the transmission piece to move so as to drive the actuating rod to extend out of or retract into the shell.

Optionally, the door handle actuator further comprises a filter mounted to the vent, the filter configured to filter gas passing therethrough.

Optionally, the housing further has a through hole communicating with the accommodating cavity, the through hole is disposed on a side wall of one end in the longitudinal direction of the housing, the actuating rod passes through the through hole, and the exhaust hole is disposed on a side wall of the other end in the longitudinal direction of the housing.

Optionally, the driving medium is including all set up in the inclined tooth pole and the screw rod of holding intracavity and coaxial coupling, the actuating lever connect in the inclined tooth pole is kept away from the one end of screw rod, and with the inclined tooth pole coaxial line, the diameter of inclined tooth pole is greater than the diameter of actuating lever and is greater than the diameter of screw rod.

Optionally, the device further comprises a nut arranged in the accommodating cavity, the nut is in threaded connection with the screw rod, the end face, close to one end of the screw rod, of the helical gear rod can be in contact with the nut to limit the length of the actuating rod retracted into the shell, and the end face, far away from one end of the screw rod, of the helical gear rod can be in contact with the shell to limit the length of the actuating rod extended out of the shell.

Optionally, the axial length of the helical gear is greater than the axial length of the screw, the distance between the nut and the through hole is greater than the axial length of the helical gear, and the distance between the nut and the through hole is less than or equal to the sum of the axial length of the helical gear and the axial length of the screw.

Optionally, the actuating mechanism includes the driving piece, by the first worm of driving piece drive pivoted, with first worm meshing's gear and with the gear passes through pivot coaxial coupling's second worm, the pivot rotate set up in the casing, the second worm with the helical gear pole meshing, the axis of first worm with the plane that the axis of actuating lever is located is the default plane, the pivot keep away from the one end of casing is towards the helical gear pole slope, just the pivot with the contained angle between the default plane is the acute angle.

Optionally, a magnetic ring is disposed on the input shaft of the driving member, and the door handle actuator further includes a hall element disposed in the housing and engaged with the magnetic ring.

Optionally, the casing further has a first chamber and a second chamber, the driving element is disposed in the first chamber, the second chamber is located on one side of the first chamber along a length direction of the casing, and is located on one side of the accommodating chamber along a width direction of the casing, and the first worm, the gear, the rotating shaft and the second worm are all disposed in the second chamber.

The vehicle door comprises a door body, a handle and the door handle actuator, wherein the door handle actuator is arranged in the door body, and the handle is connected to one end of the actuating rod, which is positioned outside the shell.

The door handle actuator and the door provided by the utility model have at least the following beneficial effects:

The casing is provided with the exhaust hole of intercommunication holding chamber, and the driving medium activity sets up in the holding chamber for actuating mechanism is when driving medium and actuating lever motion, and driving medium and actuating lever can be with the gaseous extrusion through the exhaust hole in the casing, the latter, and the outside gas of casing is drawn to the casing through the exhaust hole, and then makes the inside and outside pressure difference of casing less, reduces the resistance that driving medium and actuating lever moved, and the power that makes driving medium drive driving medium and actuating lever move can be less, has realized the energy saving.

Drawings

Fig. 1 is a schematic structural view of a door handle actuator according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a door handle actuator (hidden right half shell) provided in an embodiment of the present utility model;

fig. 3 is an exploded view of a door handle actuator according to an embodiment of the present utility model;

Fig. 4 is a schematic structural view of a door handle actuator with a hidden housing according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the left half shell according to the embodiment of the present utility model;

FIG. 6 is a schematic view of the right half shell structure according to an embodiment of the present utility model;

Fig. 7 is a schematic view of a portion of a cross section of a vehicle door provided by an embodiment of the utility model.

In the figure:

1. A housing; 11. a receiving chamber; 111. a first subchamber; 112. a second subchamber; 12. an exhaust hole; 13. a through hole; 14. a first chamber; 15. a second chamber; 16. a left half shell; 161. a positioning groove; 17. a right half shell; 171. positioning columns; 2. an actuator lever; 3. a transmission member; 31. a bevel gear lever; 32. a screw; 4. a driving mechanism; 41. a driving member; 411. an output shaft; 412. an input shaft; 42. a first worm; 43. a gear; 44. a rotating shaft; 45. a second worm; 46. a magnetic ring; 5. a filter; 6. a nut; 7. a Hall element; 8. an electrical connection housing; 9. a seal ring; 101. a door body; 1011. a mounting chamber; 102. a handle.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The present embodiment provides a door handle actuator for driving a handle 102 of an automobile door, which can have high connection reliability.

As shown in fig. 1 and 2, the door handle actuator includes a housing 1, an actuator, and a driving mechanism 4.

The housing 1 has a receiving chamber 11 and an exhaust hole 12 connected to the receiving chamber 11, wherein the exhaust hole 12 is used for exhausting the gas in the receiving chamber 11, or the external gas can enter the housing 1 through the exhaust hole 12.

The actuator is of an integrally formed structure, i.e. the actuator can be manufactured by machining on an object and comprises an actuator rod 2 and a transmission member 3 arranged in sequence. One end of the actuating lever 2 is located outside the housing 1 and is intended to be connected to a handle 102 of a vehicle door, and the other end of the actuating lever 2 is located inside the housing 1, in particular in the receiving chamber 11. The transmission member 3 is movably disposed in the accommodating cavity 11 and connected to the other end of the actuating rod 2. The driving mechanism 4 is disposed in the housing 1 and is used for driving the transmission member 3 to move so as to drive the actuating rod 2 to extend or retract from the housing 1.

According to the door handle actuator provided by the embodiment, one end of the actuating rod 2 is connected with the handle 102 of the vehicle door, the actuating mechanism 4 drives the actuating rod 2 to extend or retract into the shell 1 by driving the transmission piece 3 to move, and further the handle 102 is driven, the actuating rod 2 and the transmission piece 3 for driving the actuating rod 2 to move are of an integral structure, so that the actuating rod 2 and the transmission piece 3 have stronger connection strength, the connection failure probability of the actuating rod 2 and the transmission piece 3 is reduced, and the reliability of driving the handle is improved.

When the actuating rod 2 is retracted into the housing 1, the housing 1 is at a positive pressure, and the air in the housing 1 needs to be exhausted, but the housing 1 is in a relatively sealed structure, so that the air in the housing 1 can prevent the actuating rod 2 from being retracted into the housing 1, and thus the driving member 41 needs to do much work to enable the actuating rod 2 to be retracted into the housing 1. In this embodiment, since the exhaust hole 12 is designed, the air in the housing 1 can be exhausted in time during the retraction of the actuating lever 2 into the housing 1, and thus the retraction of the actuating lever 2 into the housing 1 is not prevented.

According to the door handle actuator provided by the embodiment, the shell 1 is provided with the exhaust hole 12 communicated with the accommodating cavity 11, the transmission piece 3 is movably arranged in the accommodating cavity 11, so that when the driving mechanism 4 drives the transmission piece 3 and the actuating rod 2 to move, the transmission piece 3 and the actuating rod 2 can extrude gas in the shell 1 through the exhaust hole 12, and the gas outside the shell 1 is pumped into the shell 1 through the exhaust hole 12, so that the pressure difference between the inside and outside of the shell 1 is smaller, the resistance of the movement of the transmission piece 3 and the actuating rod 2 is reduced, the power of the driving piece 41 for driving the movement of the transmission piece 3 and the actuating rod 2 can be smaller, and the energy conservation is realized.

Optionally, the door handle actuator further includes a filter 5 mounted to the exhaust hole 12, the filter 5 for filtering the gas passing therethrough, capable of preventing dust from entering the housing 1 due to the negative pressure in the housing 1 during the extension of the actuating lever 2 out of the housing 1. The filter element 5 may be an air filter element, for example.

In this embodiment, the housing 1 further has a through hole 13 communicating with the accommodating chamber 11, specifically, the through hole 13 is provided at a side wall of one end of the housing 1 in the length direction thereof, the actuating lever 2 is provided through the through hole 13, and the exhaust hole 12 is provided opposite to the through hole 13, that is, the exhaust hole 12 is provided at a side wall of the other end of the housing 1 in the length direction thereof. The vent hole 12 and the through hole 13 are arranged opposite to each other, so that mutual interference between the vent hole and the through hole can be avoided.

Alternatively, the driving member 3 includes a helical gear rod 31 and a screw rod 32 both disposed in the accommodating cavity 11 and coaxially connected, and the actuating rod 2 is connected to an end of the helical gear rod 31 away from the screw rod 32 and coaxially connected to the helical gear rod 31. In this embodiment, the actuator rod 2 and the transmission member 3 each extend in the longitudinal direction of the housing 1. The helical gear lever 31 is provided with a plurality of helical teeth in the circumferential direction, each helical tooth extending from one end to the other end of the helical gear lever 31. The end surface of the end of the inclined toothed bar 31 away from the screw rod 32 can be abutted with the housing 1 to limit the maximum length of the actuating rod 2 extending out of the housing 1, and since the end of the actuating rod 2 away from the inclined toothed bar 31 is used for being connected with one end of the handle 102, one end of the electric handle 102 can move close to or away from the door body 101. The outer circumference of the screw 32 has threads that extend from one end of the screw 32 to the other. By the contact between the housing 1 and the end surface of the helical gear lever 31 at the end far from the screw 32, damage to the connection structure between the handle 102 and the door body due to the excessive length of the portion of the actuating lever 2 extending out of the housing 1 can be prevented.

It should be noted that, the actuating rod 2, the helical gear rod 31 and the screw rod 32 in the present embodiment are integrally formed, so as to have a higher connection strength and reduce the risk of fracture.

In some alternative embodiments, the door handle actuator further comprises a nut 6, the nut 6 is disposed in the accommodating cavity 11 in the housing 1 and is in threaded connection with the screw rod 32, an end face of the helical gear rod 31 near one end of the screw rod 32 can be abutted against the nut 6 to limit the maximum length of the actuating rod 2 retracted into the housing 1, so as to prevent the condition that the handle 102 is recessed in the door body 101 and has a height difference with the surface of the door body 101 due to overlong part of the actuating rod 2 positioned in the housing 1, and meanwhile, the nut 6 provides an axial movement reference for the screw rod segment 23, so that axial deflection is avoided during the process of extending the screw rod 32 out of the housing 1 and retracting the housing 1, and the stability of products is improved.

In using the door handle actuator provided in the present embodiment, the door handle actuator is mounted on the door body 101 of the vehicle door while the handle 102 is slidingly coupled to the side wall of the mounting chamber 1011 on the door body 101 for accommodating the handle 102, such as by a coupling structure. The sliding direction of the handle 102 is parallel to the axis of the opening of the mounting chamber 1011. Then, the portion of the actuating lever 2 outside the housing 1 is rotatably connected to the handle 102, and the rotation axis of the rotational connection is the actuating lever 2, that is, the handle 102 is not rotated due to the side wall of the installation chamber 1011 when the actuating lever 2 rotates. When the handle 102 is required to be exposed out of the door body 101, the driving mechanism 4 drives the actuating rod 2 to extend out of the shell 1 through the bevel gear rod 31, the moving direction of the actuating rod 2 is parallel to the axial direction of the actuating rod, the handle 102 rotates relative to the actuating rod 2, and meanwhile the actuating rod 2 is ejected out of the mounting cavity 1011 used for accommodating the handle 102 on the door body 101, so that the handle 102 is exposed. During the movement of the actuating lever 2 and the helical gear lever 31, the threaded rod 32 rotates relative to the nut 6, so that the arrangement of the nut 6 ensures that the actuating lever 2 moves in its axial direction while rotating. When the handle 102 is required to be reset, the driving mechanism 4 drives the actuating rod 2 to retract into the housing 1 through the bevel gear rod 31, and the handle 102 is pulled back to the door body 101 and is positioned in the mounting cavity 1011. Wherein fig. 1 is a schematic view of the actuating lever 2 extending out of the housing 1, and fig. 2 is a schematic view of the actuating lever 2 retracting into the housing 1.

According to the door handle actuator provided by the embodiment, the actuating rod 2, the helical gear rod 31 and the screw rod 32 are coaxially connected, the helical gear rod 31 is located between the actuating rod 2 and the screw rod 32, when the actuating rod 2 extends out of the housing 1 to move to the first preset position, the end face of one end of the helical gear rod 31, which is far away from the screw rod 32, is abutted against the housing 1, so that the damage to the connecting structure between the handle 102 and the door body 101 due to the overlong part of the actuating rod 2 extending out of the housing 1 can be prevented, when the actuating rod 2 is retracted to the second preset position, the end face of one end of the helical gear rod 31, which is far away from the actuating rod 2, is abutted against the nut 6, so that the situation that the handle 102 is recessed in the door body 101 and the surface of the door body 101 has a height difference due to the overlong part of the actuating rod 2 located in the housing 1 is prevented, and foreign matters can be prevented from falling into the mounting cavity 1011 of the door body 101 where the handle 102 is mounted, the length of the actuating rod 2 exposed out of the housing 1 and the limit of the length located in the housing 1 are realized, and the reliability of the movement of the driving handle 102 is improved.

Alternatively, with continued reference to fig. 3, the axial length of the helical gear 31 is greater than the axial length of the screw 32, and the distance between the nut 6 and the through hole 13 is greater than the axial length of the helical gear 31, and the distance between the nut 6 and the through hole 13 is less than or equal to the sum of the axial length of the helical gear 31 and the axial length of the screw 32. By this arrangement, the screw 32 is prevented from falling off from the nut 6, and the inclined rack 31 can be prevented from abutting against the inner wall of the housing 1 and the nut 6, thereby restricting the extension length and the retraction length of the actuator rod 2.

In this embodiment, as shown in fig. 4, the diameter of the bevel gear 31 is larger than the diameter of the actuating rod 2 and larger than the diameter of the screw rod 32, that is, the transmission member 3 in this embodiment has a structure with a thick middle and two thin ends, so that when the actuating rod 2 passes through the through hole 13 smoothly and the screw rod 32 passes through the nut 6 smoothly, the bevel gear 31 can be abutted against the inner wall of the housing 1 and the end face of the nut 6.

Alternatively, as shown in fig. 2 or 3, the driving mechanism 4 includes a driving piece 41, a first worm 42, a gear 43, a rotation shaft 44, and a second worm 45. The first worm 42 is driven to rotate by the driving member 41, and the first worm 42 is, for example, fitted around and fixed to the output shaft 411 of the driving member 41. The rotating shaft 44 is rotatably disposed on the housing 1, and the gear 43 is sleeved on the rotating shaft 44 and engaged with the first worm 42. The second worm 45 is arranged above the gear 43 and is sleeved and connected to the rotating shaft 44, that is, the gear 43 and the second worm 45 are coaxially connected through the rotating shaft 44, the second worm 45 is meshed with the helical gear rod 31, when the driving piece 41 drives the first worm 42 to rotate, the first worm 42 can drive the gear 43 to rotate, the gear 43 drives the second worm 45 to rotate through the rotating shaft 44, and the second worm 45 drives the helical gear rod 31 to rotate along the preset rotating direction and can drive the actuating rod 2 to extend out of the shell 1; the second worm 45 drives the reverse rotation of the helical gear lever 31 in the preset rotation direction to drive the actuating lever 2 to retract into the housing 1. The stability and reliability of the transmission can be improved by the cooperation transmission of the worm and the gear 43. In the present embodiment, the output shaft 411 of the driving member 41 is parallel to the actuating lever 2, and the rotation shaft 44 is perpendicular to the actuating lever 2.

In some alternative embodiments, the first worm 42 is coaxially disposed on the output shaft 411 of the driving member 41, that is, the first worm 42 is sleeved on the output shaft 411. And, the output shaft 411 of the driving member 41 is parallel to the actuating lever 2 to secure the transmission direction.

The rotation shaft 44 is a metal shaft, and the first worm 42, the second worm 45, and the gear 43 are each made of plastic, for example. By providing the rotation shaft 44 as a metal shaft, the relative positions of the second worm 45 and the gear 43 can be prevented from being changed, and the first worm 42, the second worm 45, and the gear 43 are all made of plastic, so that manufacturing costs can be saved.

Further alternatively, the plane where the axis of the first worm 42 and the axis of the actuating rod 2 are located is a preset plane, one end of the rotating shaft 44 is rotatably connected to the housing 1, and one end of the unconnected housing 1 is inclined towards the helical gear rod 31, that is, the rotating shaft 44 is not perpendicular to the side wall of the housing 1, and the included angle between the rotating shaft 44 and the preset plane is an acute angle, so that on one hand, smooth engagement between the second turbine on the rotating shaft 44 and the helical gear rod 31 can be ensured, and on the other hand, the inclined arrangement of the rotating shaft 44 can reduce the thickness of the housing 1 as much as possible, thereby facilitating miniaturization of the door handle actuator, and further saving space for installing the door handle actuator on the door body 101.

Still further alternatively, the driving member 41 in this embodiment is a motor, which not only has an output shaft 411, but also has an input shaft 412, and as shown in fig. 2, the driving mechanism 4 further includes a magnetic ring 46 sleeved and fixed on the input shaft 412, and a hall element 7 disposed in the housing 1, where the hall element 7 can cooperate with the magnetic ring 46 to control the rotation speed of the motor. In this embodiment, the hall element 7 may be a hall PCB (printed circuit board). Illustratively, the housing 1 is further connected with an electrical connection housing 8, the electrical connection housing 8 being connected to one side wall in the width direction of the housing 1, the electrical connection housing 8 being for mounting a connector for electrical connection with the motor and the hall element 7 to be able to supply power to the motor and the hall element 7.

Optionally, as shown in fig. 3 to 6, the housing 1 also has a first chamber 14 and a second chamber 15 in communication. The accommodating chamber 11 includes a first sub-chamber 111 and a second sub-chamber 112 which are communicated with each other.

Wherein the driving member 41, the magnetic ring 46 and the hall element 7 are arranged in the first chamber 14. Specifically, the body of the driving member 41 and the input shaft 412 are disposed in the first cavity. The second chamber 15 is located on one side of the first chamber 14 in the longitudinal direction of the housing 1, and in fig. 2, the second chamber 15 is located on the left side of the first chamber 14. The output shaft 411 of the driving member 41, the first worm 42, the gear 43, the rotating shaft 44 and the second worm 45 are disposed in the second chamber 15. The second chamber 15 may have a groove structure for accommodating the rotating shaft 44, the gear 43, and the first worm 42, and the groove structure may be used for limiting the gear 43 and the first worm 42.

In the present embodiment, the first subchamber 111 is located at one side of the second chamber 15 along the width direction of the housing 1, in fig. 2, the first subchamber 111 is located above the second chamber 15, the first subchamber 111 is communicated with the through hole 13, the helical tooth rod 31 and the nut 6 are both disposed in the first subchamber 111, the actuating rod 2 and the screw rod 32 can move into the first subchamber 111, specifically, when the actuating rod 2 is retracted into the housing 1, the actuating rod 2 is located in the first subchamber 111, and at most part of the screw rod 32 is located in the first subchamber 111; when the actuating rod 2 protrudes out of the housing 1, at most part of the actuating rod 2 and most of the screw 32 are located in the first subchamber 111.

The second subchamber 112 is located at one side of the first subchamber 111 along the length direction of the housing 1 and is disposed opposite to the first chamber 14. When the actuating rod 2 is retracted into the housing 1, the screw 32 moves into the second subchamber 112.

The above arrangement of the first chamber 14, the second chamber 15, the first subchamber 111 and the second subchamber 112 makes the internal structural space layout of the housing 1 more reasonable, so that the overall space design is more reasonable, the internal space of the housing 1 is fully utilized, the miniaturization of the door handle actuator is facilitated, and the driving stability of the door handle actuator can be improved.

In some alternative embodiments, the length of the first chamber 14 in the length direction of the housing 1 is greater than the sum of the axial length of the helical gear 31 and the axial length of the screw 32, so that the arrangement can facilitate the operator to distinguish the installation positions of various components (such as the transmission member 3, the nut 6, the driving member 41, the rotating shaft 44, etc.) in the manufacturing process of the door handle actuator, facilitate the assembly and manufacturing of the door handle actuator, improve the assembly and manufacturing efficiency, and save the manufacturing cost. The longitudinal direction of the housing 1 is parallel to the axial direction of the helical gear lever 31.

Optionally, with continued reference to fig. 3-6, the housing 1 includes a left half-shell 16 and a right half-shell 17 that are snap-fit, and the housing 1 is configured to be assembled from two sub-shells, which can facilitate assembly of the components of the transmission 3, the nut 6, the driving mechanism 4, etc. within the housing 1.

Further, one of the left half shell 16 and the right half shell 17 is provided with a positioning groove 161, and the other is provided with a positioning post 171 which is engaged with the positioning groove 161, and the positioning post 171 is inserted into the positioning groove 161. The positioning groove 161 and the positioning column 171 matched with the positioning groove can prevent the left half shell 16 and the right half shell 17 from sliding, and can position the left half shell 16 and the right half shell 17 when the left half shell 16 and the right half shell 17 are assembled, so that the assembly efficiency is further improved. In the present embodiment, the left half shell 16 is provided with a positioning groove 161, and the right half shell 17 is provided with a positioning post 171. The positioning groove 161 and the positioning post 171 may be correspondingly provided in plurality to further ensure the relative positions of the left half shell 16 and the right half shell 17.

It will be appreciated that: after the components are placed on the left half shell 16 or the right half shell 17 and the left half shell 16 and the right half shell 17 are buckled, the left half shell 16 and the right half shell 17 are locked together by adopting a screw or bolt mode again so as to ensure the integrity of the door handle actuator.

Optionally, the door handle actuator further comprises a sealing ring 9, the sealing ring 9 being coaxially arranged in the through hole 13 and being in elastic contact with the actuating rod 2. The sealing ring 9 is sleeved outside the actuating rod 2 and is in sliding connection with the circumferential surface of the actuating rod 2. By providing the seal ring 9, dust, water, etc. can be prevented from entering the housing 1 and corroding and contaminating the components inside the housing 1.

Illustratively, in this embodiment, the housing 1 further has an air vent 12, in this embodiment, the air vent 12 communicates with the second subchamber 112, and the wall where the air vent 12 is located and the wall where the through hole 13 is located are disposed opposite to each other in the length direction of the housing 1. The filter 5 is installed in the exhaust hole 12, and the filter 5 is used for filtering the gas passing through the filter, so that the gas entering the shell 1 through the exhaust hole 12 can be cleaner, and the impurity is less. Alternatively, the filter element 5 may be an air filter element. The structure of the air filter element can be seen in the prior art, and this embodiment is not limited thereto.

By arranging the air vent 12 and the air filter element, when the actuating rod 2 extends out of the housing 1, negative pressure is generated in the housing 1, specifically, negative pressure is generated at the first subchamber 111 and the second subchamber 112, and the air in the door body 101 can enter the housing 1 through the air vent 12 and the air filter element by the air vent 12, compared with the case that the air vent 12 is not arranged, the power consumed by the driving piece 41 can be reduced, and therefore energy is saved.

The specific reason is that:

When the actuating rod 2 is retracted into the housing 1, the housing 1 is at positive pressure, air in the housing 1 needs to be discharged, but the housing 1 is of a sealed structure, and the sealing effect of the housing 1 is better due to the arrangement of the sealing ring 9, so that the actuating rod 2 is prevented from being retracted into the housing 1 by the air in the housing 1, and therefore, the actuating member 41 needs to do much work to enable the actuating rod 2 to be retracted into the housing 1. In this embodiment, since the exhaust hole 12 is designed, the air in the housing 1 can be exhausted in time during the retraction of the actuating lever 2 into the housing 1, and thus the retraction of the actuating lever 2 into the housing 1 is not prevented. The use of the air filter prevents dust from entering the housing 1 due to the negative pressure in the housing 1 during the extension of the actuator lever 2 out of the housing 1.

In this embodiment, the second worm 45 is engaged with the helical gear 31 and is mainly used to drive the actuating rod 2 to rotate, and the nut 6 is arranged to make the actuating rod 2 rotate and simultaneously move axially, so as to eject the handle 102 out of the mounting cavity 1011 or retract the handle into the mounting cavity 1011. In addition, this embodiment sets up helical gear 31 and screw rod 32 integration, and is provided with nut 6 at the end transmission of screw rod 32, realizes axial displacement when screw rod 32 rotates, drives actuating lever 2 and stretches out or withdraw, shifts the inside screw thread transmission of helical gear 31 among the prior art to on the nut 6 of rear end, has reduced the complexity of work piece processing, makes holistic spatial layout more reasonable simultaneously, and screw thread transmission is the transmission strong point that has two disperses of helical gear 31 and nut 6 for screw thread transmission process is more stable.

The embodiment also provides a vehicle door which is arranged on the vehicle door, and the vehicle door provided by the embodiment has lower energy consumption.

Referring to fig. 7, the vehicle door includes a door body 101, a handle 102, and the door handle actuator described above. The door handle actuator is provided in the door body 101, specifically, a mounting chamber 1011 is provided in the door body 101, a handle 102 is slidably provided in the mounting chamber 1011, and the handle 102 is connected to one end of the actuating lever 2 outside the housing 1.

In using the door handle actuator provided in this embodiment, as shown in fig. 7, the door handle actuator is mounted on the door body 101 while the handle 102 is slidingly coupled to the door body 101 at the side wall of the mounting chamber 1011 for accommodating the handle 102 in a sliding direction parallel to the axis of the opening of the mounting chamber 1011. Then, the portion of the actuating lever 2 outside the housing 1 is rotatably connected to the handle 102, and the rotation axis of the rotational connection is the actuating lever 2, that is, the handle 102 is not rotated due to the side wall of the chamber being blocked when the actuating lever 2 rotates. After the arrangement, when the driving member 41 drives the helical gear rod 31 and the actuating rod 2 to rotate through the first worm 42, the gear 43 and the second worm 45 to enable the actuating rod 2 to extend out of the housing 1, the handle 102 is ejected out of the mounting cavity 1011 on the door body 101 for accommodating the handle 102 by the actuating rod 2, and the handle 102 is exposed.

When the handle 102 is not required to be exposed, the driving member 41 drives the actuating rod 2 to rotate through the first worm 42, the gear 43 and the second worm 45 to retract into the housing 1, and at this time, the handle 102 is driven by the actuating rod 2 to retract into the mounting chamber 1011 on the door body 101 for accommodating the handle 102.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. Door handle actuator, its characterized in that includes:

The shell (1), the said shell (1) has holding cavity (11), the exhaust hole (12) communicated with said holding cavity (11);

The actuating mechanism is of an integrated structure and comprises an actuating rod (2) and a transmission piece (3), one end of the actuating rod (2) is located outside the shell (1) and is used for being connected with a handle (102) of a vehicle door, the other end of the actuating rod (2) is located in the accommodating cavity (11) and is connected with the transmission piece (3), and the transmission piece (3) is movably arranged in the accommodating cavity (11);

The driving mechanism (4) is arranged in the shell (1) and is configured to drive the transmission piece (3) to move so as to drive the actuating rod (2) to extend or retract into the shell (1).

2. The door handle actuator of claim 1, further comprising a filter (5) mounted to the vent (12), the filter (5) configured to filter gases passing therethrough.

3. The door handle actuator according to claim 2, wherein the housing (1) further has a through hole (13) communicating with the accommodation chamber (11), the through hole (13) is provided at a side wall of one end in a longitudinal direction of the housing (1), the actuating lever (2) is provided through the through hole (13), and the exhaust hole (12) is provided at a side wall of the other end in the longitudinal direction of the housing (1).

4. A door handle actuator according to claim 3, wherein the transmission member (3) comprises a helical gear rod (31) and a screw rod (32) which are both arranged in the accommodating cavity (11) and are coaxially connected, the actuating rod (2) is connected to one end of the helical gear rod (31) far away from the screw rod (32) and is coaxial with the helical gear rod (31), and the diameter of the helical gear rod (31) is larger than that of the actuating rod (2) and larger than that of the screw rod (32).

5. The door handle actuator according to claim 4, further comprising a nut (6) provided in the accommodation chamber (11), the nut (6) being screwed with the screw (32), an end face of the helical gear lever (31) near one end of the screw (32) being contactable with the nut (6) to limit a length of the actuating lever (2) retracted into the housing (1), an end face of the helical gear lever (31) far from one end of the screw (32) being contactable with the housing (1) to limit a length of the actuating lever (2) extended out of the housing (1).

6. The door handle actuator according to claim 5, wherein an axial length of the helical gear lever (31) is greater than an axial length of the screw (32), a distance between the nut (6) and the through hole (13) is greater than an axial length of the helical gear lever (31), and a distance between the nut (6) and the through hole (13) is less than or equal to a sum of the axial length of the helical gear lever (31) and the axial length of the screw (32).

7. The door handle actuator according to any one of claims 4 to 6, wherein the driving mechanism (4) includes a driving member (41), a first worm (42) driven to rotate by the driving member (41), a gear (43) meshed with the first worm (42), and a second worm (45) coaxially connected with the gear (43) through a rotation shaft (44), the rotation shaft (44) is rotatably provided in the housing (1), the second worm (45) is meshed with the helical gear (31), a plane in which an axis of the first worm (42) and an axis of the actuating lever (2) are located is a preset plane, an end of the rotation shaft (44) away from the housing (1) is inclined toward the helical gear (31), and an included angle between the rotation shaft (44) and the preset plane is an acute angle.

8. The door handle actuator according to claim 7, characterized in that a magnetic ring (46) is provided on an input shaft (412) of the driver (41), the door handle actuator further comprising a hall element (7) provided in the housing (1) and cooperating with the magnetic ring (46).

9. The door handle actuator according to claim 7, wherein the housing (1) further has a first chamber (14) and a second chamber (15), the driving member (41) is provided in the first chamber (14), the second chamber (15) is located on one side of the first chamber (14) in a length direction of the housing (1), and is located on one side of the accommodating chamber (11) in a width direction of the housing (1), and the first worm (42), the gear (43), the rotation shaft (44), and the second worm (45) are all provided in the second chamber (15).

10. The vehicle door is characterized by comprising a door body (101), a handle (102) and the door handle actuator according to any one of claims 1-9, wherein the door handle actuator is arranged in the door body (101), and the handle (102) is connected to one end of the actuating rod (2) located outside the shell (1).