CN211567750U

CN211567750U - Automobile handrail structure

Info

Publication number: CN211567750U
Application number: CN202020028018.3U
Authority: CN
Inventors: 李义东
Original assignee: Langfang Huaan Automobile Equipment Co ltd
Current assignee: Langfang Huaan Automobile Equipment Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-09-25
Anticipated expiration: 2030-01-07

Abstract

The utility model provides an automobile handrail structure, which comprises a vehicle body, a handrail framework, a buckle, an intermediate connecting piece, an elastic piece, a turntable and a locking pin; the locking pin is movably arranged on the handrail framework, and the elastic piece tends to force the locking pin to extend out of the side surface of the handrail framework and extend into a pin hole in the vehicle body so as to be used for locking the handrail framework; the handle is connected with the rotary table through the intermediate connecting piece, the rotary table is connected with the locking pin through the cam structure or the connecting rod structure, the handle is buckled, the rotary table is driven to rotate through the intermediate connecting piece, the locking pin is driven to overcome the elastic force of the elastic piece, the elastic piece is withdrawn from the pin hole, and the locking state of the handrail is released. The utility model discloses the structure is comparatively complicated compared with prior art, and is more stable in the use, and is not fragile, more can effectively realize the quick transition of handrail locking and unblock two kinds of states.

Description

Automobile handrail structure

Technical Field

The utility model belongs to the technical field of a car handrail technique and specifically relates to a handrail structure of car back-row seat is related to.

Background

With the development of society, the use of automobiles is more and more popular. The back row of the higher-class car is often provided with an adjustable armrest, when the armrest is folded, a person can sit in the middle, and when the armrest is put down, the armrest can be used for passengers on two sides to place water cups or support arms of the passengers and the like. The existing back-row seat is too simple in structure, unstable in locking structure and easy to damage, and the passenger feels poor manually when unlocking through a buckle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile handrail structure to solve at least one above-mentioned technical problem who exists among the prior art.

In order to solve the technical problem, the utility model provides a pair of automobile handrail structure, include: the device comprises a vehicle body, a handrail framework, a buckle, an intermediate connecting piece, an elastic piece, a rotary disc and a locking pin;

the handrail framework can be pivoted on the automobile body in a vertically swinging manner;

the handle is hinged to the front end of the handrail framework in a swinging manner;

the rotary disc is rotatably pivoted at the rear end of the handrail framework;

the locking pin is movably arranged on the handrail framework, and the elastic piece tends to force the locking pin to extend out of the side surface of the handrail framework and extend into a pin hole in the vehicle body so as to be used for locking the handrail framework;

the handle is connected with the rotary table through the intermediate connecting piece, the rotary table is connected with the locking pin through the cam structure or the connecting rod structure, the handle is buckled, the rotary table is driven to rotate through the intermediate connecting piece, the locking pin is driven to overcome the elastic force of the elastic piece, the elastic piece is withdrawn from the pin hole, and the locking state of the handrail is released.

The utility model discloses the structure is comparatively complicated compared with prior art, and is more stable in the use, and is not fragile, more can effectively realize the quick transition of handrail locking and unblock two kinds of states.

Further, the cam structure includes: a sliding groove arranged on the rotary table and a pin arranged on the locking pin; in the circumferential direction of the turntable, the sliding groove is gradually close to or far away from the pivoting center of the turntable (for example, the central line of the sliding groove is an involute); the pin is inserted in the sliding groove in a sliding way.

The cam structure is a reducing structure, so that the motion transmission from rotation to linear movement can be realized. When the rotary table rotates, the radial distance between the sliding groove and the rotary table is changed continuously, so that the locking pin is driven by the pin to be close to or far away from the pivot center of the rotary table gradually.

When the turnplate is driven to rotate by the handle, the locking pin gradually approaches the pin joint center, the front end of the locking pin gradually retreats from the pin hole of the vehicle body, and then the locking of the handrail is released.

Further, the link structure includes: and two ends of the transmission rod are respectively hinged with the turntable and the locking pin.

The connecting rod structure can also realize the motion transmission from rotation to linear movement, when the handle is buckled to drive the rotary disc to rotate, the rotary disc drives the locking pin to retreat from the pin hole of the vehicle body through the transmission rod, and then the locking of the handrail is released.

Furthermore, the transmission rod is connected with the rotary disc and/or the locking pin in a relatively rotatable manner through a pivot shaft; the rotary table, the transmission rod and the locking pin are provided with long holes, and the pivot shaft is inserted into the long holes in a sliding mode.

In order to absorb the stroke difference between the handle and the rotating disc, the invention adopts a long hole structure, namely, before or after the rotating disc rotates and the locking pin is driven by the pivot shaft to move, the pivot shaft needs to move for a set distance (generally equal to the stroke difference) in the long hole, so that the stroke difference is eliminated, the smooth transmission of the motion is realized, meanwhile, the impact in the transmission process can be reduced, and the noise is reduced.

Furthermore, the elastic piece is a spring, and two ends of the spring are respectively connected with the locking pin and the handrail framework; or the two ends of the spring are respectively connected with the middle connecting piece and the handrail framework; or, the locking round pin sets up back to back, and the both ends of spring support respectively and lean on the rear end at two locking round pins.

Furthermore, the elastic part is a torsion spring, and two ends of the torsion spring are respectively connected with the turntable and the handrail framework.

The intermediate connecting member may be in many forms, such as a connecting rod, and two ends of the connecting rod are respectively hinged to the handle and the rotating disc. Or the middle connecting piece is a flexible connecting cable and the like.

Preferably, one end of the middle connecting piece is hinged with the handle, the other end of the middle connecting piece is provided with a rack structure, the turntable is coaxially provided with a gear structure, and the rack and the gear structure are in transmission engagement with each other. The attacker drives the rack to move along a straight line, and drives the turntable to rotate through the gear structure, so that the locking pin can move.

Preferably, the buckle further comprises a fork-shaped piece, wherein the fork-shaped piece comprises two plug parts arranged on two sides of the buckle, and a plug tail part; the plug part is respectively pivoted with the two sides of the buckle, and the plug tail part is hinged with the middle connecting piece. I.e. the gripping handle is connected with the intermediate connecting piece through the fork-shaped piece.

Further, the intermediate connecting member further includes: the gear box comprises a first rack, a transmission disc and a second rack;

the transmission disc comprises a disc body which is rotatably arranged on the handrail framework, and a first rack and a second rack are respectively arranged on two opposite sides of the disc body; a first tooth part is arranged on one side of the first rack of the tray body; the first tooth part is in tooth meshing transmission connection with the first rack; a second tooth part is arranged on one side of the second rack of the tray body; the second tooth part is in tooth meshing transmission connection with the second rack;

the handle is hinged with the first rack, and the turntable is hinged with the second rack;

the locking handle is buckled, the rotary disc is driven to rotate sequentially through the first rack, the disc body and the second rack, and then the locking pin is driven to move.

Further, the tooth diameter of the first tooth part is larger than that of the second tooth part.

The tooth diameter (or called the radius of laying of first tooth) of first tooth portion is greater than the tooth diameter (or called the radius of laying of second tooth) of second tooth portion to realize that the drive ratio between first rack second rack is less than 1, thereby can realize the absorption of the great stroke action of attacker, make during the unblock simultaneously, it is more laborsaving.

Further, the intermediate connecting member further includes: the device comprises a first connecting rod, a middle control disc and a second connecting rod;

the middle control panel is rotatably arranged on the handrail framework, and the first connecting rod and the second connecting rod are respectively arranged on two opposite sides of the middle control panel; the middle control panel is provided with a first sliding groove at one side of the first connecting rod, and the middle control panel is provided with a second sliding groove at one side of the second connecting rod (preferably, the first sliding groove and the second sliding groove are arranged along the radial direction of the middle control panel, and the two sliding grooves are arranged back to back in the circumferential direction of the middle control panel and form an angle of 180 degrees);

one end of the first connecting rod is hinged (including indirect and direct connection) with the handle, the other end of the first connecting rod is provided with a first connecting pin, and the first connecting pin is slidably inserted into the first sliding groove;

one end of the second connecting rod is connected with the rotary table (including indirect and direct connection), the other end of the second connecting rod is provided with a second connecting pin, and the second connecting pin is inserted in the second sliding groove in a sliding manner.

Furthermore, the distance between the first connecting pin and the center of the middle control panel pin joint is greater than the distance between the second connecting pin and the center of the middle control panel pin joint (when the first connecting rod and the second connecting rod are arranged in parallel, the first distance between the first connecting rod and the center of the middle control panel pin joint is greater than the second distance between the second connecting rod and the center of the middle control panel pin joint).

The first connecting pin is farther away from the pivot center of the middle control panel than the second connecting pin, so that the transmission ratio between the first connecting rod and the second connecting rod is smaller than 1, the large stroke action of the buckle can be absorbed, and the unlocking is more labor-saving.

Further, a return spring is arranged between the armrest framework and the handle and used for tending to force the handle to return to an initial position (corresponding to the position when the locking pin extends and is locked).

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

the utility model provides a car handrail, the structure is comparatively complicated compared with prior art, and is more stable in the use, and is not fragile, more can effectively realize the quick transition of handrail locking and unblock two kinds of states.

In addition, an absorption structure for eliminating surplus stroke of the button handle is arranged between the button handle and the locking pin, so that the hand feeling of passengers is improved, and the customer satisfaction is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of an automobile armrest structure provided in embodiment 1 of the present invention;

FIG. 2 is a structural diagram of transmission among the catcher, the intermediate transmission member, the turntable, and the locking pin in the armrest structure of the vehicle shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

fig. 5 is a schematic structural view of a rack-and-pinion transmission between a first link and a second link according to embodiment 2 of the present invention;

fig. 6 is a schematic structural view of the cam structure transmission between the turntable and the locking pin according to embodiment 3 of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 present invention will be further explained with reference to specific embodiments.

Example 1

As shown in fig. 1-2, the present embodiment provides an automobile armrest structure, including: a vehicle body (not shown), a handle frame 10, a catcher 20, an intermediate link 30, an elastic member 50, a dial 60, and a locking pin 40.

The armrest framework 10 can be pivoted on the automobile body in a vertically swinging manner; the handle 20 is pivotally hinged at the front end of the armrest framework 10; the rotary plate 60 is rotatably pivoted at the rear end of the handrail framework 10; the locking pin 40 is movably arranged on the handrail framework 10, and the elastic piece 50 tends to force the locking pin 40 to extend out of the side surface of the handrail framework 10 and extend into a pin hole on the vehicle body, so as to lock the handrail framework 10; specifically, the locking pin is slidably disposed in a pin hole on the armrest frame, and the pin hole defines that the locking pin freely extends and retracts from the left side and the right side of the armrest frame.

The handle 20 is connected with the rotary disc 60 through the intermediate connecting piece 30, the rotary disc 60 is connected with the locking pin 40 through a connecting rod structure, the handle 20 is buckled, the rotary disc 60 is driven to rotate through the intermediate connecting piece 30, the locking pin 40 is driven to overcome the elastic force of the elastic piece 50, and the locking state of the handrail is released after the locking pin exits from the pin hole.

As shown in fig. 3, the link structure includes: the transmission rod 70 is hinged to the locking pin 40 and the rotating disk 60 through a first pivot shaft 71 and a second pivot shaft 72 at two ends of the transmission rod 70. Therefore, the motion transmission from the rotation of the turntable to the linear movement of the locking pin is realized, when the turnplate 60 is driven to rotate by the handle 20, the turnplate 60 drives the locking pin 40 to retreat from the pin hole of the vehicle body through the transmission rod 70, and the locking of the handrail is released.

In the above solution, preferably, the hole where the rotating disc 60 or the locking pin 40 is matched with the pivot shaft is a long hole, and the pivot shaft is slidably inserted into the long hole. In general, the stroke of the handle 20 or the rotary disk 60 is relatively long, and the stroke of the locking pin 40 is relatively short, so as to absorb the stroke difference between the two, this embodiment may adopt a long hole structure, that is, before or after the rotary disk 60 rotates and the locking pin 40 is driven to move by the pivot shaft, the pivot shaft needs to move a set distance (generally equal to the stroke difference) in the long hole, thereby eliminating the stroke difference, realizing smooth transmission of motion, and simultaneously, the impact of the transmission process can be reduced, and the noise is reduced.

In addition, as shown in fig. 3, the elastic member 50 is a spring, the two locking pins 40 are arranged back to back, two ends of the elastic member 50 respectively abut against the rear ends of the two locking pins 40, and the spring is compressed and tends to force the two locking pins to respectively extend outwards and be inserted into pin holes in the vehicle body.

Of course, the form of the elastic member is many, for example, the elastic member may be a torsion spring, and both ends of the torsion spring are respectively connected to the turntable 60 and the armrest frame 10.

As shown in fig. 2 and 4, the intermediate link 30 further includes: a first link 31, an intermediate control plate 34, and a second link 32; the middle control panel 34 is rotatably arranged on the handrail framework 10, and the first connecting rod 31 and the second connecting rod 32 are respectively arranged at two opposite sides of the middle control panel 34; the intermediate control plate 34 is provided with a first slide groove 34a on the first link 31 side, and the intermediate control plate 34 is provided with a second slide groove 34b on the second link 32 side; preferably, the first sliding groove and the second sliding groove are arranged along the radial direction of the intermediate control plate 34, and in the circumferential direction of the intermediate control plate 34, the two sliding grooves are arranged back to back at 180 degrees.

One end of the first link 31 is hinged with the handle 20, the other end of the first link 31 is provided with a first connecting pin 31a, and the first connecting pin 31a is slidably inserted into the first sliding groove 34 a; one end of the second link 32 is connected to the rotary plate 60 through a rack structure and a gear structure, and the other end of the second link 32 is provided with a second connecting pin 32a, and the second connecting pin 32a is slidably inserted into the second sliding groove 34 b.

The distance from the first connecting pin 31a to the pivot center of the intermediate control panel 34 is greater than the distance from the second connecting pin 32a to the pivot center of the intermediate control panel 34; in this embodiment, the first link 31 and the second link 32 are disposed in parallel, and a first distance between the pivot centers of the first link 31 and the intermediate control panel 34 is greater than a second distance between the pivot centers of the second link 32 and the intermediate control panel 34.

The first connecting pin 31a is farther from the pivot center of the intermediate control panel 34 than the second connecting pin 32a, so that the transmission ratio between the first connecting rod 31 and the second connecting rod 32 is smaller than 1, the absorption of the large stroke action of the buckle handle 20 can be realized, and the unlocking is more labor-saving.

As also shown in fig. 3, a return spring 80 is disposed between the armrest frame 10 and the second link 32 to urge the locking mechanism 20 and the intermediate link to return to the initial position, i.e., the position corresponding to the extended and locked position of the locking pin 40.

As shown in fig. 3, the second link 32 of the intermediate link 30 has a rack structure 32b at one end of the rotary disc, and the rotary disc 60 is coaxially provided with a gear structure 60a, and the rack structure and the gear structure are in transmission engagement with each other. The handle 20 drives the rack to move along a straight line, and the gear structure drives the turntable 60 to rotate, so that the locking pin 40 moves. The gear structure 60a may be in the form of a complete gear or a partial gear, and a plurality of gear teeth matched with the rack are arranged on the circumference of the gear structure.

The embodiment also comprises a fork-shaped piece 33, wherein the fork-shaped piece 33 comprises two plug parts arranged at two sides of the handle 20 and a plug tail part; the plug portion is pivotally connected to both sides of the handle 20, and the plug portion is pivotally connected to the first link 31. I.e. the gripping handle 20 is connected to the intermediate link 30 by means of a fork-shaped element.

The utility model provides a car handrail, the structure is comparatively complicated compared with prior art, and is more stable in the use, and is not fragile, more can effectively realize the quick transition of handrail locking and unblock two kinds of states. In addition, the absorbing structure for eliminating the surplus stroke of the buckle 20 is arranged between the buckle 20 and the locking pin 40, so that the hand feeling of passengers is improved, and the customer satisfaction is improved.

Example 2

The structure of the present embodiment is substantially the same as that of embodiment 1, except that:

as shown in fig. 5, the intermediate control disc may also be a rack and pinion drive, such as a drive disc 90, where the first link 31 is provided with a first rack 31c at the end far from the handle, and the second link 32 is provided with a second rack 32c at the end far from the rotating disc. The transmission disc 90 comprises a disc body which is rotatably arranged on the handrail framework 10, and a first rack and a second rack are respectively arranged on two opposite sides of the disc body; a first tooth part 91 is arranged on one side of the first rack of the tray body; the first tooth part is in tooth meshing transmission connection with the first rack; the disc body is provided with a second tooth part 92 at one side of the second rack; the second tooth part is in tooth meshing transmission connection with the second rack; the handle 20 is hinged with the first rack, and the rotating disc 60 is hinged with the second rack; the locking handle 20 is buckled, and the rotating disc 60 is driven to rotate sequentially through the first rack, the disc body and the second rack, so that the locking pin 40 is driven to move.

Wherein the tooth diameter of the first tooth part is larger than that of the second tooth part. The tooth diameter (or called the radius of laying of first tooth) of first tooth portion is greater than the tooth diameter (or called the radius of laying of second tooth) of second tooth portion to realize that the drive ratio between first rack second rack is less than 1, thereby can realize the absorption of the great stroke action of attacker 20, make during the unblock simultaneously, more laborsaving.

Example 3

as shown in fig. 6, in the present embodiment, the rotary disk 60 is connected to the locking pin 40 through a cam structure. The cam structure includes: a sliding groove 61 provided on the rotary table 60 and a pin 41 provided on the locking pin 40; in the circumferential direction of the turntable 60, the sliding groove is gradually close to or far away from the pivoting center of the turntable 60 (for example, the central line of the sliding groove is an involute); the pin is inserted in the sliding groove in a sliding way.

The cam structure is a reducing structure, so that the motion transmission from rotation to linear movement can be realized. When the rotary disk 60 rotates, the radial distance between the chute and the rotary disk 60 changes continuously, so that the locking pin 40 is driven by the pin to gradually approach or leave the pivot center of the rotary disk 60.

When the handle 20 drives the turntable 60 to rotate and the locking pin 40 gradually approaches the pivot center, the front end of the locking pin 40 gradually retreats from the pin hole of the vehicle body, thereby unlocking the armrest.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An automobile armrest structure, comprising: the device comprises a vehicle body, a handrail framework, a buckle, an intermediate connecting piece, an elastic piece, a rotary disc and a locking pin;

the rotary disc is rotatably pivoted at the rear end of the handrail framework;

2. The vehicle armrest structure according to claim 1, wherein the cam structure comprises: a sliding groove arranged on the rotary table and a pin arranged on the locking pin; in the circumferential direction of the turntable, the sliding groove is gradually close to or far away from the pivoting center of the turntable; the pin is inserted in the sliding groove in a sliding way.

3. The vehicle armrest structure according to claim 1, wherein the link structure comprises: and two ends of the transmission rod are respectively hinged with the turntable and the locking pin.

4. The vehicle armrest structure according to claim 3, wherein the transmission lever is rotatably connected to the rotary plate and/or the lock pin via a pivot shaft; the rotary table, the transmission rod and the locking pin are provided with long holes, and the pivot shaft is inserted into the long holes in a sliding mode.

5. The vehicle armrest structure according to claim 1, wherein the elastic member is a spring, and both ends of the spring are respectively connected to the lock pin and the armrest frame; or the two ends of the spring are respectively connected with the middle connecting piece and the handrail framework; or the locking pins are arranged back to back, and two ends of the spring respectively abut against the rear ends of the two locking pins;

or the elastic piece is a torsion spring, and two ends of the torsion spring are respectively connected with the turntable and the handrail framework.

6. The vehicle armrest structure according to claim 1, wherein one end of the intermediate connecting member is hinged to the handle, the other end of the intermediate connecting member is provided with a rack structure, the rotating plate is coaxially provided with a gear structure, the rack and the gear structure are in transmission engagement with each other, the handle drives the rack to move linearly, the rotating plate is driven to rotate by the gear structure, and the movement of the locking pin is achieved.

7. The automobile armrest structure according to claim 1, wherein the intermediate link further comprises: the gear box comprises a first rack, a transmission disc and a second rack;

8. The vehicle armrest structure according to claim 7, wherein a tooth diameter of the first tooth portion is larger than a tooth diameter of the second tooth portion.

9. The automobile armrest structure according to claim 1, wherein the intermediate link further comprises: the device comprises a first connecting rod, a middle control disc and a second connecting rod;

the middle control panel is rotatably arranged on the handrail framework, and the first connecting rod and the second connecting rod are respectively arranged on two opposite sides of the middle control panel; the middle control panel is provided with a first sliding chute at one side of the first connecting rod, and a second sliding chute at one side of the second connecting rod;

one end of the first connecting rod is hinged with the handle, the other end of the first connecting rod is provided with a first connecting pin, and the first connecting pin is slidably inserted into the first sliding groove;

one end of the second connecting rod is connected with the rotary table, the other end of the second connecting rod is provided with a second connecting pin, and the second connecting pin is slidably inserted into the second sliding groove.

10. The vehicle armrest structure of claim 9, wherein the first connecting pin is spaced farther from the pivot center of the intermediate control panel than the second connecting pin is spaced farther from the pivot center of the intermediate control panel.