CN217681134U - Telescopic door handle structure for automobile - Google Patents

Abstract

The utility model discloses a telescopic door handle structure for an automobile, wherein, in an initial state, a handle body is retracted into an installation shell; when the handle is in a working state, the driving mechanism drives the transmission mechanism to enable the transmission mechanism to generate rotary displacement, the transmission mechanism drives the handle body to generate displacement, and meanwhile, the limiting mechanism of the transmission mechanism enables the handle body to linearly extend out of the mounting shell to a preset position; when the handle body is in a reset state, the driving mechanism is reset firstly, the driving force applied to the transmission mechanism is cancelled, and then the handle body is retracted into the mounting shell again under the action of the reset elastic component. The utility model discloses a car is with flexible door handle structure can make handle body straight line stretch out, simple structure simultaneously, simple to operate, and the laborsaving smoothness of unblock process can reduce the degree of difficulty and the cost of manufacturing, has fine market perspective.

Description

Telescopic door handle structure for automobile

Technical Field

The utility model relates to a flexible car door handle field, concretely relates to car is with flexible door handle structure.

Background

The telescopic door handle arranged on the automobile door can reduce the wind resistance of the automobile in performance and can play a role in appearance. The telescopic automobile door handle in the prior art generally adopts connecting pieces such as an actuating rod and a push rod to push out the automobile door handle, and the handle is extended out of the outer side of the automobile door, but the technical scheme in the prior art is adopted to carry out the process of extending the automobile door handle, the path of the handle body when extending out of the automobile door is a curve rather than a straight line, so that the installation position and the installation precision of the whole structure of the door handle in the automobile door are required to be improved, the installation difficulty is high, and under the condition of installation error, the door handle is easy to clamp and pause, and the extending process is not smooth. In addition, the door handle needs to realize the horizontal movement of the handle body through a guide piece, and the driving device also comprises a sliding block or a roller to realize a driving structure, so that the door handle has more parts, more complex structure and high processing cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car is with flexible door handle structure to thereby the route when solving among the prior art handle body and stretching out the door is the curve and thereby the technical problem that the card appears easily when causing the door handle to stretch out.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a telescopic door handle structure for an automobile is used for being fixedly arranged on an automobile door and comprises an installation shell 1, a handle body 2, a driving mechanism 3 and a transmission mechanism, wherein the installation shell 1 is provided with a cavity enclosed by a peripheral wall; a handle expansion opening 11 is formed in one side, facing the outer side of the vehicle door, of the mounting shell 1, the handle body 2 can extend out of or retract into the cavity of the mounting shell 1 through the handle expansion opening 11, and one side, facing the inner side of the vehicle door, of the handle body 2 is movably connected with the transmission mechanism; the driving mechanism 3 is connected with the mounting shell 1 in a sliding manner, and the driving mechanism 3 can transversely push the transmission mechanism to enable the transmission mechanism to generate rotary displacement; the transmission mechanism is movably connected with the peripheral wall of the inner side of the mounting shell 1, a reset elastic component 5 is further arranged between the transmission mechanism and the mounting shell 1, and a limiting mechanism is further arranged on the transmission mechanism and can limit the linear motion of one end, connected with the handle body 2, of the transmission mechanism; during the operating condition, handle body 2 can be the straight line under actuating mechanism 3 and drive mechanism and stop gear's combined action and stretch out installation casing 1 to predetermineeing the position.

The inside of the door refers to the side of the door facing the cockpit.

The utility model discloses a theory of operation is: in an initial state, the handle body 2 is retracted into the mounting case 1; in a working state, the driving mechanism 3 drives the transmission mechanism to enable the transmission mechanism to generate rotary displacement, the transmission mechanism drives the handle body 2 to generate displacement, and meanwhile, the limiting mechanism of the transmission mechanism enables the handle body 2 to linearly extend out of the mounting shell 1 to a preset position; in the reset state, the driving mechanism 3 is reset first, the driving force applied to the transmission mechanism is cancelled, and then the handle body 2 is retracted into the mounting housing 1 again under the action of the reset elastic member 5.

Preferably, the telescopic door handle structure for the automobile further comprises a door lock assembly 7, wherein the door lock assembly 7 comprises a driving block and an unlocking block, and the driving block penetrates through the mounting shell 1 and is movably connected with a transmission mechanism; the unlocking block is positioned on one side of the driving block and is movably connected with the outer peripheral wall of the mounting shell 1, and the unlocking block can be contacted with the driving block when rotating; during unlocking, the transmission mechanism can drive the driving block to rotate, so that the driving block is in contact with the unlocking block and continues to drive the unlocking block to rotate, and the unlocking process is completed.

Preferably, the handle body 2 is a transversely arranged strip shape, and two ends of the transversely strip shape are respectively a first end 21 and a second end 22 of the handle body 2; correspondingly, the transmission mechanism comprises a first transmission piece 41 and a second transmission piece 42, the first transmission piece 41 comprises a force receiving end 411 and a force applying end 412; the second transmission piece 42 comprises a rotating end 421 and a pushing end 422 capable of pushing the door handle to displace; correspondingly, the driving mechanism 3 comprises a first force application end 31 and a second force application end 32; the first end 21 of the handle body 2 is movably connected with the force application end 412 of the first transmission piece 41, and the second end 22 of the handle body 2 is movably connected with the pushing end 422 of the second transmission piece 42; one end of the rotating end 421 of the second transmission member 42 is movably connected with the mounting housing 1 through the first connecting point 13, the rotating end 421 can rotate around the first connecting point 13, and the other end of the rotating end 421 is hinged with one end of the pushing end 422; the other end of the pushing end 422 is movably connected with the second connecting point 24 on the handle body 2.

In the initial state, the first force application end 31 abuts against the force receiving end 411 of the first transmission piece 41, the second force application end 32 abuts against the rotating end 421 of the second transmission piece 42, and in the working state, the first force application end 31 can push the first transmission piece 41 to make the first transmission piece rotate and displace under the driving of external force; the second force application end 32 can push the second transmission member 42 to make it rotationally displace under the driving of the external force, and then the first transmission member 41 and the second transmission member 42 respectively push the first end portion 21 and the second end portion 22 of the handle body 2 to simultaneously extend out of the mounting housing 1, so that the speeds of the two ends of the handle body 2 when extending out are more balanced, and the situation of oblique extension is avoided.

Preferably, the driving mechanism 3 is a push rod, the first force application end 31 of the push rod includes a limiting shaft 311, and the mounting housing 1 is correspondingly provided with a limiting sliding groove 12; the limit shaft 311 passes through the limit chute 12 on the mounting housing 1 to limit the lateral displacement of the push rod.

This can restrict the displacement of the push rod pushing the first transmission member 41, and further restrict the displacement of the handle body 2 extending out of the mounting housing 1.

Preferably, the limiting mechanism comprises a first limiting mechanism and a second limiting mechanism; the first limiting mechanism is arranged on the first transmission piece 41 and comprises a limiting rod 61 and a sleeve 64, the limiting rod 61 is fixedly connected with the side wall of the sleeve 64, and the sleeve 64 is rotatably connected with the mounting shell 1; a guide groove 413 is formed in the corresponding first transmission piece 41 close to the force bearing end 411; one end of the limiting rod 61, which is far away from the sleeve 64, is provided with a first bump 611, and the first bump 611 is located in the guide groove 413; in the working state, the absolute position of the limiting rod 61 does not change along with the rotation of the first transmission piece 41, and the motion track of the first transmission piece 41 is limited to be linear motion; the second limiting mechanism is arranged on the inner wall of the installation shell 1, the second limiting mechanism comprises a first limiting piece 661 and a second limiting piece 662, and a guide slideway 66 is arranged between the first limiting piece 661 and the second limiting piece 662; the guide slideway 66 is a linear guide slideway extending along the extending direction of the handle body 2; the outer side wall of the second end part 22 of the handle body is provided with a slide block 25, and the slide block 25 can slide in the guide slide way 66.

Like this, when second application of force end 32 promoted the rotatory end 421 of second driving medium 42, slider 25 slides in direction slide 66 to inject the moving direction of handle body 2, and then make and take place relative rotation between promotion end 422 and the rotatory end 421, contained angle alpha between the two diminishes, along with slider 25 continues to slide in direction slide 66, makes handle body 2 along rectilinear movement, like this, under first stop gear's combined action with the second stop gear, can realize that handle body 2 stretches out the technological effect of installation casing 1 straight line.

Preferably, the driving block of the door lock assembly 7 comprises a rotating shaft 71 and a first lock ring 73; one end of the rotating shaft 71 is fixedly connected with the first locking ring 73, and the other end of the rotating shaft 71, which is far away from the first locking ring 73, sequentially penetrates through the installation shell 1 and the sleeve 64, is rotatably connected with the installation shell 1 and is fixedly connected with the sleeve 64 through the positioning pin 72; the first locking ring 73 is positioned outside the installation shell 1, a first locking hook 731 is arranged on the first locking ring 73, and the first locking hook 731 can rotate along with the first locking ring 73; the unlocking block of the door lock assembly 7 comprises a second locking ring 74, a second locking hook 741 is arranged on the second locking ring 74, and the second locking hook 741 is positioned on one side of the second locking ring 74 facing the first locking ring 73; the first locking hook 731 and the second locking hook 741 rotate in opposite directions, and the first locking hook 731 can contact the second locking hook 741 when rotating.

In an initial state, a reserved distance is reserved between the first lock hook 731 and the second lock hook 741, when the handle body 2 is in an unlocking state, a pulling force is applied to the handle body 2, the first end portion 21 of the handle body 2 is displaced under the action of an external force, so that the first transmission member 41 is driven to be displaced, the limiting rod 61 is driven to rotate around the sleeve 64 and drive the sleeve 64 to rotate, the first lock hook 731 on the first lock ring 73 is driven to rotate, the first lock hook 731 rotates to the position of the second lock hook 741, then contacts the second lock hook 741, and continuously pushes the second lock hook 741 to rotate, so that the second lock ring 74 is further driven to rotate, and the unlocking process is completed. The door lock assembly 7 is arranged in a split unlocking mode, so that the difficulty and the cost of production and manufacturing can be reduced.

Preferably, one end of the limiting rod 61 close to the sleeve 64 is also provided with a second lug 612, and the second lug 612 is provided with a first torsion spring 62 and a second torsion spring 63; the end of the first torsion spring 62 is provided with an extending inclined part, and the extending inclined part of the end of the first torsion spring 62 penetrates through the first transmission piece 41; the tail end of the second torsion spring 63 is provided with an extending inclined part, the extending inclined part of the tail end of the second torsion spring 63 traverses the sleeve 64, so that the deformed main body and the extending inclined part of the second torsion spring 63 are distributed on two sides of the sleeve 64; in the unlocked state, the first torsion spring 62 and the second torsion spring 63 are elastically compressively deformable.

In the unlocked state, the first torsion spring 62 and the second torsion spring 63 are respectively urged by the first transmission 41 and the stopper rod 61 to elastically compress and deform the first torsion spring 62 and the second torsion spring 63, and after the external force disappears, the first transmission 41 and the stopper rod 61 can be actively returned by the elastic return force of the first torsion spring 62 and the second torsion spring 63.

Preferably, one end of a third torsion spring 732 is further fixed to the end of the rotating shaft 71 located outside the mounting housing 1, and the other end of the third torsion spring 732 is fixedly connected to the mounting housing 1; a fourth torsion spring 742 is further arranged between the second locking hook 741 and the mounting housing 1; in the unlocked state, the third torsion spring 732 and the fourth torsion spring 742 are elastically compressively deformed.

Thus, after the external force disappears, the first and second lock hooks 731 and 741 can be actively reset by the reset force of the third and fourth torsion springs 732 and 742.

Preferably, a blocking piece 414 is further disposed on a side wall of the force-bearing end 411 of the first transmission member 41, in an initial state, the blocking piece 414 is far away from the first force-applying end 31, and in an operating state, the blocking piece 414 abuts against the first force-applying end 31 to limit the first transmission member 41 and prevent the first transmission member 41 from rotating continuously.

Thus, the operation of the first transmission member 41 can be made smoother.

The telescopic door handle structure for the automobile further comprises a linear motor 8, the linear motor 8 is fixedly connected with the mounting shell 1, the linear motor 8 comprises a telescopic rod 81, the telescopic rod 81 can be driven by the linear motor 8 to transversely extend and retract, and the telescopic rod 81 can apply or withdraw transverse external force to the driving mechanism 3 to enable the driving mechanism 3 to transversely displace.

The technical scheme of the utility model following beneficial effect has:

1. the utility model discloses a car is with flexible door handle structure can make handle body straight line stretch out, simple structure simultaneously, and simple to operate has fine market perspective.

2. The utility model discloses a car is with flexible door handle structure has split type lock subassembly, and the laborsaving smoothness of unblock process can reduce the degree of difficulty and the cost of manufacturing.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

fig. 1 is a schematic view of the overall structure of the retractable door handle structure for an automobile according to the present invention.

Fig. 2 is a schematic view of the internal structure of the door handle in the initial state of the present invention.

Fig. 3 is a schematic view of the internal structure of the door handle in the operating state of the present invention.

Fig. 4 is a schematic view of the movement track of the handle main body in the working state of the present invention.

Fig. 5 is an internal structural schematic diagram of the door handle in the unlocked state according to the present invention.

Fig. 6 is a schematic structural view of the handle body removed from fig. 5 according to the present invention.

Fig. 7 is a schematic view of the structure of the second limiting mechanism according to the first embodiment of the present invention.

Fig. 8 is a schematic structural view of a handle body according to a first embodiment of the second limiting mechanism of the present invention.

Fig. 9 is a partially enlarged view of the area a in fig. 1 according to the present invention.

Fig. 10 is a schematic view of relative positions of the components when the door lock assembly is unlocked according to the present invention.

Fig. 11 is a schematic diagram of the relative position relationship between the first transmission member, the first limiting mechanism and the door lock assembly driving block according to the present invention.

Fig. 12 is a schematic view of the whole internal structure of the second embodiment of the second limiting mechanism of the present invention.

Fig. 13 is a schematic view of a second embodiment of the second limiting mechanism according to the present invention.

Fig. 14 is a partially enlarged view of the area B in fig. 12 according to the present invention.

Fig. 15 is a schematic structural view of a handle body according to a second embodiment of the second limiting mechanism of the present invention.

Description of reference numerals: 1. installing a shell; 11. a handle extension; 12. a limiting chute; 13. a first connection point; 2. a handle body; 21. a first end portion; 22. a second end portion; 23. a hand-held portion; 24. a second connection point; 25. a slider; 3. a drive mechanism; 31. a first force application end; 311. a limiting shaft; 312. positioning blocks; 32. a second force application end; 41. a first transmission member; 411. a force-bearing end; 412. a force application end; 413. a guide groove; 414. a baffle plate; 415. a fan-shaped baffle plate; 42. a second transmission member; 421. a rotating end; 422. a pushing end; 5. a return elastic member; 61. a limiting rod; 611. a first bump; 612. a second bump; 62. a first torsion spring; 63. a second torsion spring; 64. a sleeve; 65. a limiting elastic component; 66. a guide slide way; 661. a first limit piece; 662. a second limiting member; 7. a door lock assembly; 71. a rotating shaft; 72. positioning pins; 73. a first lock ring; 731. a first latch hook; 732. a third torsion spring; 74. a second lock ring; 741. a second latch hook; 742. a fourth torsion spring; 8. a linear motor; 81. a telescopic rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides an among the prior art thereby the route when handle body stretches out the door be the curve and the non-straight line causes the door handle to appear blocking the technical problem who pauses easily when stretching out.

The utility model provides an initial condition is when referring to the door and not unblock and the state when handle body retraction installation casing in, and operating condition refers to the handle body and stretches out to the process of predetermineeing the position in the installation casing, and reset state refers to the back that external force was withdrawn from, and the process in handle body retraction installation casing, unlock state refer to the process of door unblock.

As shown in fig. 1 and fig. 2, based on the above technical problem to be solved, the utility model discloses a telescopic door handle structure for an automobile, which is used for being fixedly arranged on an automobile door, and comprises an installation shell 1, a handle body 2, a driving mechanism 3 and a transmission mechanism, wherein the installation shell 1 is provided with a cavity enclosed by a peripheral wall; a handle expansion opening 11 is formed in one side, facing the outer side of the vehicle door, of the mounting shell 1, the handle body 2 can extend out of or retract into the cavity of the mounting shell 1 through the handle expansion opening 11, and one side, facing the inner side of the vehicle door, of the handle body 2 is movably connected with the transmission mechanism; the driving mechanism 3 is connected with the mounting shell 1 in a sliding manner, and the driving mechanism 3 can transversely push the transmission mechanism to enable the transmission mechanism to generate rotary displacement; the transmission mechanism is movably connected with the peripheral wall of the inner side of the mounting shell 1, a reset elastic component 5 is further arranged between the transmission mechanism and the mounting shell 1, and a limiting mechanism is further arranged on the transmission mechanism and can limit the linear motion of one end, connected with the handle body 2, of the transmission mechanism; when the handle is in a working state, the handle body 2 can linearly extend out of the mounting shell 1 to a preset position under the combined action of the driving mechanism 3, the transmission mechanism and the limiting mechanism.

The inside of the door refers to the side of the door facing the cockpit.

The utility model discloses a theory of operation is: in the initial state, the handle body 2 is retracted into the mounting housing 1; in a working state, the driving mechanism 3 drives the transmission mechanism to enable the transmission mechanism to generate rotary displacement, the transmission mechanism drives the handle body 2 to generate displacement, and meanwhile, the limiting mechanism of the transmission mechanism enables the handle body 2 to linearly extend out of the mounting shell 1 to a preset position; in the reset state, the driving mechanism 3 is reset first, the driving force applied to the transmission mechanism is cancelled, and then the handle body 2 is retracted into the mounting housing 1 again under the action of the elastic reset component 5.

As shown in fig. 1, the retractable door handle structure for the automobile further comprises a door lock assembly 7, wherein the door lock assembly 7 comprises a driving block and an unlocking block, and the driving block penetrates through the mounting shell 1 and is movably connected with a transmission mechanism; the unlocking block is positioned on one side of the driving block and is movably connected with the outer peripheral wall of the mounting shell 1, and the unlocking block can be contacted with the driving block when rotating; when the handle is in an unlocking state, the handle body 2 is applied with external force, so that the transmission mechanism is driven to displace, the transmission mechanism can drive the driving block to rotate, the driving block is in contact with the unlocking block and continuously drives the unlocking block to rotate, and the unlocking process is completed.

Preferably, as shown in fig. 2, 4, 6, 8 and 11, the handle body 2 is a transversely arranged strip shape, and two ends of the transversely strip shape are a first end 21 and a second end 22 of the handle body 2 respectively; correspondingly, the transmission mechanism comprises a first transmission piece 41 and a second transmission piece 42, the first transmission piece 41 comprises a force receiving end 411 and a force applying end 412; the second transmission piece 42 comprises a rotating end 421 and a pushing end 422 capable of pushing the door handle to displace; correspondingly, the driving mechanism 3 comprises a first force application end 31 and a second force application end 32; the first end 21 of the handle body 2 is movably connected with the force application end 412 of the first transmission piece 41, and the second end 22 of the handle body 2 is movably connected with the pushing end 422 of the second transmission piece 42; one end of the rotating end 421 of the second transmission member 42 is movably connected with the mounting housing 1 through the first connecting point 13, the rotating end 421 can rotate around the first connecting point 13, and the other end of the rotating end 421 is hinged with one end of the pushing end 422; the other end of the pushing end 422 is movably connected with a second connecting point 24 on the handle body 2;

in the initial state, the first force application end 31 abuts against the force receiving end 411 of the first transmission piece 41, the second force application end 32 abuts against the rotating end 421 of the second transmission piece 42, and in the working state, the first force application end 31 can push the first transmission piece 41 to make the first transmission piece rotate and displace under the driving of external force; the second force application end 32 can push the second transmission member 42 to make it rotationally displace under the driving of the external force, and then the first transmission member 41 and the second transmission member 42 respectively push the first end portion 21 and the second end portion 22 of the handle body 2 to simultaneously extend out of the mounting housing 1, so that the speeds of the two ends of the handle body 2 when extending out are more balanced, and the situation of oblique extension is avoided.

Preferably, as shown in fig. 8, the handle body 2 further includes a holding portion 23, and the holding portion 23 is located between the first end portion 21 and the second end portion 22 for being easily grasped by a human hand.

Preferably, as shown in fig. 1 to 3, the driving mechanism 3 is a push rod, the first force applying end 31 of the push rod includes a limiting shaft 311, and the mounting housing 1 is correspondingly provided with a limiting sliding groove 12; the limit shaft 311 passes through the limit chute 12 on the mounting housing 1 to limit the lateral displacement of the push rod. This can restrict the displacement of the push rod pushing the first transmission member 41, and further restrict the displacement of the handle body 2 extending out of the mounting housing 1.

Preferably, the second force applying end 32 is a pushing block, and the pushing block can push the second transmission member 42 to make it rotate and displace under the driving of the pushing rod.

Preferably, as shown in fig. 4, 7, 8 and 11, wherein fig. 7 is a view of the mounting housing 1 in fig. 1 in a direction C, the limiting mechanism includes a first limiting mechanism and a second limiting mechanism, the first limiting mechanism is disposed on the first transmission member 41 and includes a limiting rod 61 and a sleeve 64, the limiting rod 61 is fixedly connected with a side wall of the sleeve 64, and the sleeve 64 is rotatably connected with the mounting housing 1; a guide groove 413 is formed in the corresponding first transmission piece 41 close to the force bearing end 411; one end of the limiting rod 61, which is far away from the sleeve 64, is provided with a first projection 611, and the first projection 611 is located in the guide groove 413. In an operating state, the relative position of the limiting rod 61 with respect to the guide groove 413 moves from the side of the guide groove 413 far away from the force receiving end 411 of the first transmission member 41 to the side close to the force receiving end 411 of the first transmission member 41, the absolute position of the limiting rod 61 does not move along with the rotation of the first transmission member 41, the limiting rod 61 has a limiting effect on the movement of the first end portion 21 of the handle body 2, and the movement track of the first transmission member 41 is limited to be linear movement; the second limiting mechanism is arranged on the inner wall of the installation shell 1, the second limiting mechanism comprises a first limiting piece 661 and a second limiting piece 662, and a guide slideway 66 is arranged between the first limiting piece 661 and the second limiting piece 662; the guide slideway 66 is a linear guide slideway extending along the extending direction of the handle body 2; the outer side wall of the second end part 22 of the handle body is provided with a slide block 25, and the slide block 25 can slide in the guide slide way 66.

Like this, when second application of force end 32 promoted the rotatory end 421 of second driving medium 42, slider 25 slides in direction slide 66 to inject the moving direction of handle body 2, and then make and take place relative rotation between promotion end 422 and the rotatory end 421, contained angle alpha between the two diminishes, along with slider 25 continues to slide in direction slide 66, makes handle body 2 along rectilinear movement, like this, under first stop gear's combined action with the second stop gear, can realize that handle body 2 stretches out the technological effect of installation casing 1 straight line.

As a first embodiment of the second limiting mechanism, as shown in fig. 7 and 8, fig. 7 is a C-direction view of the mounting housing 1 in fig. 1, the inner wall of the mounting housing 1 has a guiding slide way 66, the corresponding outer side wall of the handle body 2 has a slide block 25, and the slide block is shaped as a convex block with a circular cross section, so that the slide block 25 can move in the guiding slide way more easily, and the flexibility of the handle body 2 during moving is enhanced.

As a second embodiment of the second limiting mechanism, as shown in fig. 12 to 15, wherein fig. 12 and 13 are C-direction views of the mounting housing 1 in fig. 1, the inner wall of the mounting housing 1 has two guiding slideways 66, and the corresponding outer side wall of the handle body 2 has two sliding blocks 25, which can make the handle body 2 move more smoothly; the slider appearance is rectangular shape, can increase like this with the area of contact of the first locating part 661 and the second locating part 662 of direction slide both sides, makes the operation more steady.

Preferably, as shown in fig. 6, one end of a limiting elastic member 65 is clamped on the surface of the pushing end 422, and the other end of the limiting elastic member 65 abuts against the inner structure of the second end 22 of the handle body 2; in the initial state, the stopper elastic member 65 has elastic compression deformation. Thus, in the process of moving the handle body 2, the limiting elastic component 65 generates a pushing force on the pushing end 422, so that the position relationship between the second transmission piece 42 and the handle body 2 is more fixed, and the handle body 2 is more stable when moving.

Preferably, the limiting elastic component 65 clamped on the pushing end 422 is a spring, one end of the spring is clamped on the surface of the pushing end 422, and the other end of the spring abuts against the internal structure of the second end 22 of the handle body 2; in the initial state, the spring has elastic compression deformation. Thus, in the process of moving the handle body 2, the spring generates a pushing force on the pushing end 422, so that the position relationship between the second transmission piece 42 and the handle body 2 is more fixed, and the handle body 2 is more stable when moving.

Preferably, as shown in fig. 11, a blocking piece 414 is further disposed on a side wall of the force receiving end 411 of the first transmission member 41, wherein in the initial state, the blocking piece 414 is away from the first force applying end 31, and in the operating state, the blocking piece 414 abuts against the first force applying end 31 to limit the first transmission member 41 and prevent the first transmission member 41 from further rotating.

Preferably, as shown in fig. 2, 3 and 5, the retractable door handle structure for the automobile further includes a linear motor 8, the linear motor 8 is fixedly connected to the mounting housing 1, the linear motor 8 includes a retractable rod 81, and the retractable rod 81 can be driven by the linear motor 8 to perform a lateral retractable displacement, so as to apply or withdraw a lateral external force to the driving mechanism 3 to perform a lateral displacement on the driving mechanism 3.

Preferably, as shown in fig. 1, 9 and 10, the driving block of the door lock assembly 7 includes a rotating shaft 71 and a first lock ring 73; one end of the rotating shaft 71 is fixedly connected with the first lock ring 73, and the other end of the rotating shaft 71, which is far away from the first lock ring 73, sequentially penetrates through the installation shell 1 and the sleeve 64, is rotatably connected with the installation shell 1, and is fixedly connected with the sleeve 64 through the positioning pin 72; the first locking ring 73 is positioned outside the installation shell 1, a first locking hook 731 is arranged on the first locking ring 73, and the first locking hook 731 can rotate along with the first locking ring 73; the unlocking block of the door lock assembly 7 comprises a second locking ring 74, a second locking hook 741 is arranged on the second locking ring 74, and the second locking hook 741 is positioned on one side of the second locking ring 74 facing the first locking ring 73; the first locking hook 731 and the second locking hook 741 rotate in opposite directions, and the first locking hook 731 can contact the second locking hook 741 when rotating.

In an initial state, a reserved distance is reserved between the first lock hook 731 and the second lock hook 741, in an unlocking state, a pulling force is applied to the handle body 2, the first end portion 21 of the handle body 2 is displaced under the action of an external force, so that the first transmission member 41 is driven to be displaced, the limiting rod 61 is driven to rotate around the sleeve 64 and drive the sleeve 64 to rotate, the first lock hook 731 on the first lock ring 73 is driven to rotate, the first lock hook 731 rotates to the position of the second lock hook 741 and then contacts with the second lock hook 741, the second lock hook 741 is continuously pushed to rotate, the second lock ring 74 is further driven to rotate, and an unlocking process is completed. The door lock assembly 7 is arranged in a split unlocking mode, so that the difficulty and the cost of production and manufacturing can be reduced.

Preferably, as shown in fig. 11, one end of the limiting rod 61 close to the sleeve 64 is also provided with a second projection 612, and the second projection 612 is provided with a first torsion spring 62 and a second torsion spring 63; the end of the first torsion spring 62 is provided with an extending inclined part, the extending inclined part of the end of the first torsion spring 62 penetrates through the first transmission piece 41, and the first torsion spring 62 is prevented from falling off from the first transmission piece 41; the end of the second torsion spring 63 has an extending inclined part, and the extending inclined part of the end of the second torsion spring 63 crosses the sleeve 64, so that the deformed body and the extending inclined part of the second torsion spring 63 are distributed on two sides of the sleeve 64, and the second torsion spring 63 is prevented from falling off from the sleeve 64. In the unlocked state, the first torsion spring 62 and the second torsion spring 63 are respectively urged by the first transmission 41 and the stopper rod 61 to elastically compress and deform the first torsion spring 62 and the second torsion spring 63, and after the external force disappears, the first transmission 41 and the stopper rod 61 can be actively returned by the elastic return force of the first torsion spring 62 and the second torsion spring 63.

Preferably, as shown in fig. 2, 3 and 5, a positioning block 312 is further provided at the distal end of the first urging end 31, and in the initial state and when the first transmission element 41 is returned, the inclined portion of the first torsion spring 62 that extends is brought out of contact with one end of the first transmission element 41 and is brought into contact with the positioning block 312, thereby assisting in positioning the stopper rod 61.

Preferably, as shown in fig. 9, a starting end of a third torsion spring 732 is further fixed to an end portion of the rotating shaft 71 located outside the mounting case 1, and a distal end of the third torsion spring 732 is fixedly connected to the mounting case 1; a fourth torsion spring 742 is further disposed between the second locking hook 741 and the mounting housing 1; in the unlocking process, the third torsion spring 732 and the fourth torsion spring 742 are elastically compressed and deformed, and after the external force disappears, the first locking hook 731 and the second locking hook 741 can be actively reset under the action of the resetting force of the third torsion spring 732 and the fourth torsion spring 742.

Preferably, as shown in fig. 11, a sector-shaped baffle 415 is disposed on the sleeve 64, and the stopper 414 on the first transmission member 41 is located inside the sector-shaped baffle 415 to limit the displacement of the first transmission member 41, so that the operation is more stable.

Adopt the utility model discloses a flexible door handle structure for car has following technological effect: 1. the utility model discloses a car is with flexible door handle structure can make handle body straight line stretch out, simple structure simultaneously, and simple to operate has fine market perspective. 2. The utility model discloses a car is with flexible door handle structure has split type lock subassembly, and the laborsaving smoothness of unblock process can reduce the degree of difficulty and the cost of manufacturing.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.

Claims (10)

1. A telescopic door handle structure for an automobile is used for being fixedly arranged on an automobile door and is characterized by comprising an installation shell (1), a handle body (2), a driving mechanism (3) and a transmission mechanism, wherein the installation shell (1) is provided with a cavity enclosed by a peripheral wall; a handle telescopic opening (11) is formed in one side, facing the outer side of the vehicle door, of the mounting shell (1), the handle body (2) can extend out of or retract into a cavity of the mounting shell (1) through the handle telescopic opening (11), and one side, facing the inner side of the vehicle door, of the handle body (2) is movably connected with the transmission mechanism; the driving mechanism (3) is connected with the mounting shell (1) in a sliding mode, and the driving mechanism (3) can transversely push the transmission mechanism to enable the transmission mechanism to rotate and displace; the transmission mechanism is movably connected with the peripheral wall of the inner side of the mounting shell (1), a reset elastic component (5) is further arranged between the transmission mechanism and the mounting shell (1), a limiting mechanism is further arranged on the transmission mechanism, and the limiting mechanism can limit linear motion of one end, connected with the handle body (2), of the transmission mechanism; during the operating condition, handle body (2) can be the straight line under actuating mechanism (3) and drive mechanism and stop gear's combined action and stretch out installation casing (1) to predetermineeing the position.

2. The retractable door handle structure for the automobile as claimed in claim 1, further comprising a door lock assembly (7), wherein the door lock assembly (7) comprises a driving block and an unlocking block, and the driving block passes through the mounting housing (1) and is movably connected with the transmission mechanism; the unlocking block is positioned on one side of the driving block and is movably connected with the outer peripheral wall of the mounting shell (1), and the unlocking block can be contacted with the driving block when rotating; during unlocking, the transmission mechanism can drive the driving block to rotate, so that the driving block is in contact with the unlocking block and continues to drive the unlocking block to rotate, and the unlocking process is completed.

3. The retractable door handle structure for automobile as claimed in claim 1, wherein the handle body (2) is formed in a transversely extending strip shape, and the two ends of the transversely extending strip shape are a first end portion (21) and a second end portion (22) of the handle body (2), respectively; correspondingly, the transmission mechanism comprises a first transmission piece (41) and a second transmission piece (42), and the first transmission piece (41) comprises a force bearing end (411) and a force applying end (412); the second transmission piece (42) comprises a rotating end (421) and a pushing end (422) capable of pushing the door handle to displace; correspondingly, the driving mechanism (3) comprises a first force application end (31) and a second force application end (32); the first end part (21) of the handle body (2) is movably connected with the force application end (412) of the first transmission piece (41), and the second end part (22) of the handle body (2) is movably connected with the pushing end (422) of the second transmission piece (42); one end of a rotating end (421) of the second transmission piece (42) is movably connected with the mounting shell (1) through a first connecting point (13), the rotating end (421) can rotate around the first connecting point (13), and the other end of the rotating end (421) is hinged with one end of the pushing end (422); the other end of the pushing end (422) is movably connected with a second connecting point (24) on the handle body (2).

4. The retractable door handle structure for the automobile according to claim 3, wherein the driving mechanism (3) is a push rod, the first force application end (31) of the push rod comprises a limit shaft (311), and the mounting housing (1) is correspondingly provided with a limit chute (12); the limiting shaft (311) penetrates through the limiting sliding groove (12) on the mounting shell (1) and is used for limiting the transverse displacement of the push rod.

5. The retractable door handle structure for automobiles according to claim 1, wherein the stop mechanism comprises a first stop mechanism and a second stop mechanism; the first limiting mechanism is arranged on the first transmission piece (41) and comprises a limiting rod (61) and a sleeve (64), the limiting rod (61) is fixedly connected with the side wall of the sleeve (64), and the sleeve (64) is rotatably connected with the mounting shell (1); a guide groove (413) is formed in the corresponding first transmission piece (41) close to the stress end (411); one end, far away from the sleeve (64), of the limiting rod (61) is provided with a first protruding block (611), and the first protruding block (611) is located in the guide groove (413); when the device is in a working state, the absolute position of the limiting rod (61) does not change along with the rotation of the first transmission piece (41), and the motion track of the first transmission piece (41) is limited to be linear motion; the second limiting mechanism is arranged on the inner wall of the mounting shell (1), the second limiting mechanism comprises a first limiting piece (661) and a second limiting piece (662), and a guide slideway (66) is arranged between the first limiting piece (661) and the second limiting piece (662); the guide slideway (66) is a linear guide slideway extending along the extending direction of the handle body (2); the outer side wall of the second end part (22) of the handle body is provided with a sliding block (25), and the sliding block (25) can slide in a guide slide way (66).

6. The retractable door handle structure for automobile as claimed in claim 2, wherein the driving block of the door lock assembly (7) includes a rotating shaft (71) and a first lock ring (73); one end of the rotating shaft (71) is fixedly connected with the first locking ring (73), and the other end, far away from the first locking ring (73), of the rotating shaft (71) sequentially penetrates through the installation shell (1) and the sleeve (64) and is rotatably connected with the installation shell (1) and is fixedly connected with the sleeve (64) through the positioning pin (72); the first locking ring (73) is positioned outside the mounting shell (1), a first locking hook (731) is arranged on the first locking ring (73), and the first locking hook (731) can rotate along with the first locking ring (73); the unlocking block of the door lock assembly (7) comprises a second locking ring (74), a second locking hook (741) is arranged on the second locking ring (74), and the second locking hook (741) is positioned on one side, facing the first locking ring (73), of the second locking ring (74); the rotating directions of the first locking hook (731) and the second locking hook (741) are opposite, and the first locking hook (731) can be contacted with the second locking hook (741) when rotating.

7. The retractable door handle structure for the automobile as claimed in claim 5, wherein the end of the limiting rod (61) close to the sleeve (64) is also provided with a second projection (612), and the second projection (612) is provided with a first torsion spring (62) and a second torsion spring (63); the tail end of the first torsion spring (62) is provided with an extending inclined part, and the inclined part extending from the tail end of the first torsion spring (62) penetrates through the first transmission piece (41); the tail end of the second torsion spring (63) is provided with an extending inclined part, the extending inclined part at the tail end of the second torsion spring (63) transversely penetrates through the sleeve pipe (64), so that the deformation main body and the extending inclined part of the second torsion spring (63) are distributed on two sides of the sleeve pipe (64); in the unlocked state, the first torsion spring (62) and the second torsion spring (63) are elastically deformable in compression.

8. The retractable door handle structure for the automobile as claimed in claim 6, wherein the end of the rotating shaft (71) located outside the mounting case (1) is further fixed with one end of a third torsion spring (732), and the other end of the third torsion spring (732) is fixedly connected with the mounting case (1); a fourth torsion spring (742) is further arranged between the second locking hook (741) and the mounting shell (1); in the unlocked state, the third torsion spring (732) and the fourth torsion spring (742) can be elastically compressed and deformed.

9. The retractable door handle structure for the automobile as claimed in claim 3, wherein the sidewall of the force-bearing end (411) of the first transmission member (41) is further provided with a blocking piece (414), the blocking piece (414) is far away from the first force-applying end (31) in the initial state, and the blocking piece (414) abuts against the first force-applying end (31) in the working state, so as to limit the first transmission member (41) and prevent the first transmission member (41) from rotating continuously.

10. The retractable door handle structure for the automobile according to any one of claims 1-9, wherein the retractable door handle structure for the automobile further comprises a linear motor (8), the linear motor (8) is fixedly connected with the mounting housing (1), the linear motor (8) comprises a retractable rod (81), the retractable rod (81) can be driven by the linear motor (8) to perform lateral retractable displacement, and the retractable rod (81) can apply or withdraw a lateral external force to the driving mechanism (3) to perform the lateral displacement of the driving mechanism (3).

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