CN212827982U

CN212827982U - Car seat unlocking device and car seat

Info

Publication number: CN212827982U
Application number: CN202020818192.8U
Authority: CN
Inventors: 杨龙生
Original assignee: Sci Seating (ningbo) Co ltd; Zhejiang Geely Holding Group Co Ltd
Current assignee: Sci Seating (ningbo) Co ltd; Zhejiang Geely Holding Group Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-03-30
Anticipated expiration: 2030-05-15

Abstract

The utility model provides an automobile seat unlocking device, which comprises a lock shell and a buckle handle and is characterized in that, the handle is connected with a handle rotating shaft, a first connecting shaft and a second connecting shaft, the handle rotating shaft is rotatably connected with the lock shell, the unlocking device also comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a first driving shaft and a locking hook, the first end of the first connecting rod is hinged with the first connecting shaft, the first end of the second connecting rod is connected with the second end of the first connecting rod in a sliding way, the first end of the third connecting rod is hinged with the second connecting shaft, the first end of the fourth connecting rod is connected with the second end of the third connecting rod in a sliding way, the second end of the second connecting rod and the second end of the fourth connecting rod are hinged with the first end of the fifth connecting rod, and the first driving shaft is connected with the locking hook through a traction mechanism.

Description

Car seat unlocking device and car seat

Technical Field

The utility model relates to a car seat technical field especially relates to a car seat unlocking device and car seat.

Background

The automobile of some motorcycle types is equipped with three rows of seats, and when the passenger got into the third row seat, need earlier to remove the locking with the second row seat, again with the second row seat upset or antedisplacement, then the passenger could get into the third row seat, but the automobile seat lock of prior art is inconvenient in following scene and is used.

Scenario one: when the third row of passengers need to enter, the unlocking handle on the second row of seats is buckled forwards (the front direction is unlocked), the second row of seats are unlocked from the vehicle body, and then the second row of seats are overturned or moved forwards, so that the third row of passengers can conveniently enter. After the third row of passengers sit, the second row of passengers need to enter, and because the buckles can be unlocked in one direction only, the second row of passengers can only use two hands to snap back the seat, so that the seat is returned, and the seat is very inconvenient.

Scenario two: when the third row of passengers enter, some passengers are accustomed to unlocking with the left hand, some passengers are accustomed to unlocking with the right hand, and the third row of passengers are not humanized enough if the third row of passengers can only unlock in one direction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a car seat unlocking device aims at solving the not enough of above-mentioned background art existence, installs it and can realize two-way unblock around on the second row car seat after, makes things convenient for the third row passenger to get into.

The utility model provides an automobile seat unlocking device, which comprises a lock shell and a buckle, and is characterized in that the buckle is connected with a buckle rotating shaft, a first connecting shaft and a second connecting shaft, the first connecting shaft and the second connecting shaft are respectively arranged at two sides of the buckle rotating shaft, the buckle rotating shaft is rotatablely connected on the lock shell, the unlocking device also comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a first driving shaft and a lock hook, the first end of the first connecting rod is hinged with the first connecting shaft, the first end of the second connecting rod is connected with the second end of the first connecting rod in a sliding way, the first end of the third connecting rod is hinged with the second connecting shaft, the first end of the fourth connecting rod is connected with the second end of the third connecting rod in a sliding way, the second end of the second connecting rod and the second end of the fourth connecting rod are both hinged with the first end of the fifth connecting rod, the second end of the fifth connecting rod is connected with the first driving shaft, and the first driving shaft is connected with the locking hook through a traction mechanism.

Further, the second end of first connecting rod is equipped with first spout, the first end of second connecting rod inserts through first round pin axle in the first spout and can along first spout slides, the second end of third connecting rod is equipped with the second spout, the first end of fourth connecting rod inserts through second round pin axle in the second spout and can along the second spout slides, the second end of second connecting rod with the second end of fourth connecting rod all through third round pin axle with the first end of fifth connecting rod is articulated.

Furthermore, the automobile seat unlocking device further comprises a first spring of a T-shaped structure, a first through hole is formed in the handle rotating shaft, the middle part of the first spring is inserted into the first through hole, and two end parts of the first spring are abutted against the inner wall of the lock shell.

Furthermore, the two side walls of the lock shell are provided with first limiting grooves corresponding to the positions of the handle rotating shafts, and two ends of the handle rotating shafts are respectively inserted into the first limiting grooves.

Furthermore, vertical second limiting grooves are formed in the two side walls of the lock shell corresponding to the first driving shaft, two ends of the first driving shaft are inserted into the second limiting grooves respectively, and the first driving shaft can slide up and down along the second limiting grooves.

Furthermore, the traction mechanism comprises a pull wire and a linkage steel wire, wherein the first end of the pull wire is connected with the first driving shaft, the first end of the linkage steel wire is connected with the second end of the pull wire, and the second end of the linkage steel wire is connected with the lock hook.

Furthermore, the unlocking device further comprises a sixth connecting rod and a second driving shaft, the first end of the sixth connecting rod is fixedly connected with the handle rotating shaft, the first end of the second driving shaft is fixedly connected with the second end of the sixth connecting rod, a circular-arc third limiting groove is formed in one side wall of the lock shell, the second end of the second driving shaft is inserted into the third limiting groove, and the second driving shaft can move along the third limiting groove in a circular-arc mode around the handle rotating shaft as the circle center.

Further, the lock shell in install warning mechanism on the lateral wall of third spacing groove, warning mechanism includes warning button and casing, the casing with lock shell fixed connection, warning button is located in the casing, when the attacker is detained, the drive of second drive shaft warning button reciprocates.

Further, warning mechanism still includes the belt, be provided with the nose bar on the warning button, the casing is in dorsad one side of lock shell is equipped with the fourth spacing groove, the nose bar inserts fourth spacing inslot and can along the fourth spacing groove slides from top to bottom, the upper and lower both ends of belt encircle respectively the nose bar with in the second drive shaft, on the casing in dorsad one side of lock shell is equipped with two spacing bosss, two spacing bosss are located the nose bar with between the second drive shaft, just two spacing bosss are located respectively the both sides of fourth spacing groove.

Further, warning mechanism still includes the second spring, warning button's bottom is equipped with first spacer pin, the second spring butt is in first spacer pin with between the inner wall of casing, warning button's both sides are equipped with the second spacer pin, the both sides of casing correspond to the vertical fifth spacing groove that is equipped with in position of second spacer pin, the second spacer pin inserts fifth spacing inslot and can along the fifth spacing groove slides from top to bottom.

The utility model also provides a car seat, including above arbitrary car seat unlocking device.

The utility model discloses a car seat unlocking device is equipped with many link structure on the lock body, when any direction was detained the attacker in the front and back, the attacker was acted as go-between through many link structure pulling, and pulling wire pulling linkage steel wire, linkage steel wire drive latch hook are rotatory, just so can realize that the seat unlocks from the automobile body, are equipped with rotating spring on the latch hook simultaneously, and rotating spring can guarantee the quick return of unblock back latch hook, can realize the two-way unblock of front and back of attacker through above structure.

Meanwhile, the rotating shaft is arranged on the buckle, the transmission belt is driven when the rotating shaft moves in a circular arc mode, the belt is pulled and bent, the warning button is pulled to move downwards, the spring is arranged below the warning button, the spring can guarantee that the warning button is always in an upward state under the condition of no stress, the warning button can move up and down through the structure, and a passenger can observe whether the seat is locked or not through the mode of visual warning button.

Drawings

Fig. 1 is a front view of an upper half of an automobile seat unlocking device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic view of the internal structure of the upper half of the car seat unlocking device in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first spring in an embodiment of the present invention;

fig. 5 is a schematic structural view of a lower half portion of an unlocking device for a car seat according to an embodiment of the present invention, wherein fig. 5(a) is a schematic structural view in a locked state, and fig. 5(b) is a schematic structural view in an unlocked state;

fig. 6 is a rear view of the upper half of the vehicle seat unlocking device according to the embodiment of the present invention;

fig. 7 is a schematic structural view of a lock case according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a buckle according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of the warning mechanism mounted on the lock case according to the embodiment of the present invention;

fig. 10 is a schematic structural view of an alarm mechanism in an embodiment of the present invention;

fig. 11 is a schematic structural view of a warning button in an embodiment of the present invention;

fig. 12 is a schematic diagram of an embodiment of the present invention, in which fig. 12(a) shows a state of the warning button when the attacker is pulled backwards, and fig. 12(b) shows a state of the warning button when the attacker is pulled forwards.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The terms "first," "second," "third," "fourth," "fifth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

As shown in fig. 1 to 8, the unlocking device for a vehicle seat provided by this embodiment includes a lock case 1 and a handle 2, the handle 2 is connected to a handle rotation shaft 3, a first connection shaft 21 and a second connection shaft 22, the first connection shaft 21 and the second connection shaft 22 are respectively located at two sides of the handle rotation shaft 3, the handle rotation shaft 3 is rotatably connected to the lock case 1, the unlocking device further includes a first link 4, a second link 5, a third link 6, a fourth link 7, a fifth link 8, a first driving shaft 9 and a locking hook 17, a first end of the first link 4 is hinged to the first connection shaft 21, a first end of the second link 5 is slidably connected to a second end of the first link 4, a first end of the third link 6 is hinged to the second connection shaft 22, a first end of the fourth link 7 is slidably connected to a second end of the third link 6, a second end of the second link 5 and a second end of the fourth link 7 are both hinged to a first end of the fifth link 8, the second end of the fifth link 8 is connected to the first drive shaft 9, and the first drive shaft 9 is connected to the latch hook 17 via a traction mechanism.

Specifically, the second end of the fifth link 8 is fixedly connected to the middle of the first driving shaft 9.

Specifically, the second end of the first link 4 is provided with a first sliding slot 41, the first end of the second link 5 is inserted into the first sliding slot 41 through a first pin (not shown) and can slide along the first sliding slot 41, the second end of the third link 6 is provided with a second sliding slot 61, the first end of the fourth link 7 is inserted into the second sliding slot 61 through a second pin 23 and can slide along the second sliding slot 61, and the second end of the second link 5 and the second end of the fourth link 7 are both hinged to the first end of the fifth link 8 through a third pin 24.

Specifically, when the handle 2 is buckled backwards, the handle 2 rotates clockwise around the handle rotating shaft 3, at this time, the third connecting rod 6 rotates clockwise, the fourth connecting rod 7 rotates counterclockwise, the joint of the third connecting rod 6 and the fourth connecting rod 7 bends forwards, the first connecting rod 4 and the second connecting rod 5 do not rotate, the joint of the first connecting rod 4 and the second connecting rod 5 is in a straight state and does not bend, the handle 2 is buckled backwards continuously, and the first connecting rod 4 and the second connecting rod 5 move upwards and drive the fifth connecting rod 8 to move upwards; when forward withholding attacker 2, attacker 2 is rotatory around attacker rotation axis 3 anticlockwise, and second connecting rod 5 clockwise rotation this moment, first connecting rod 4 anticlockwise rotation, the junction of first connecting rod 4 and second connecting rod 5 is buckled backward, and third connecting rod 6 and fourth connecting rod 7 irrotational, and the junction of third connecting rod 6 and fourth connecting rod 7 does not take place to buckle for straightening the state, and knot attacker 2 continues to be withheld forward, and third connecting rod 6 and fourth connecting rod 7 move upwards and drive fifth connecting rod 8 and move upwards.

Further, the automobile seat unlocking device also comprises a first spring 25 with a T-shaped structure, a first through hole 31 is formed in the handle rotating shaft 3, the middle part of the first spring 25 is inserted into the first through hole 31, and two end parts of the first spring 25 are abutted against the inner wall of the lock shell 1.

Specifically, when the locking handle 2 is rotated forwards or backwards, the locking handle 2 cannot be automatically reset, and the first spring 25 mainly ensures that the locking handle 2 can be reset after being used.

Further, as shown in fig. 7, the two side walls of the lock case 1 are provided with first limiting grooves 32 corresponding to the positions of the locking handle rotating shaft 3, the first limiting grooves 32 are cylindrical, the inner diameter of the first limiting grooves 32 is the same as the diameter of the locking handle rotating shaft 3, and two ends of the locking handle rotating shaft 3 are respectively inserted into the first limiting grooves 32, so that the locking handle rotating shaft 3 can rotate clockwise or counterclockwise around the first limiting grooves 32.

Furthermore, vertical second limiting grooves 12 are formed in the two side walls of the lock case 1 corresponding to the first driving shaft 9, two ends of the first driving shaft 9 are inserted into the second limiting grooves 12 respectively, and the first driving shaft 9 can slide up and down along the second limiting grooves 12.

Preferably, as shown in fig. 3, the left and right ends of the first driving shaft 9 are provided with protrusions 9a, and the protrusions 9a abut on the second limiting grooves 12.

Specifically, the second limit groove 12 limits the first driving shaft 9 to move only up and down but not back and forth, and the boss 9a limits the first driving shaft 9 not to move left and right.

As shown in fig. 1 to 5, the traction mechanism includes a pulling wire 15 and a linkage wire 16, a first end of the pulling wire 15 is connected to the first driving shaft 9, a first end of the linkage wire 16 is connected to a second end of the pulling wire 15, a second end of the linkage wire 16 is connected to a locking hook 17, and a rotating spring 18 is fixedly connected to the locking hook 17.

Specifically, the bottom end of the fifth link 8 is provided with a second through hole 83, and the upper end of the wire 15 is wound around the middle position of the first driving shaft 9 through the second through hole 83. When the handle 2 is buckled, the fifth link 8 moves upwards, the fifth link 8 drives the pull wire 15 to move upwards, meanwhile, the pull wire 15 drives the linkage steel wire 16 to move upwards, the linkage steel wire 16 drives the lock hook 17 to rotate, at this time, as shown in fig. 5(b), the vehicle body locking pin 19 can be separated from the lock hook 17, so that the seat is unlocked from the vehicle body, and after the unlocking is completed, the rotating spring 18 can ensure that the lock hook 17 can return quickly.

Further, the unlocking device further comprises a sixth connecting rod 10 and a second driving shaft 11, the first end of the sixth connecting rod 10 is fixedly connected with the handle rotating shaft 3, the first end of the second driving shaft 11 is fixedly connected with the second end of the sixth connecting rod 10, a circular-arc third limiting groove 13 is formed in one side wall of the lock shell 1, the second end of the second driving shaft 11 is inserted into the third limiting groove 13, and the second driving shaft 11 can do circular-arc motion around the handle rotating shaft 3 as a circle center along the third limiting groove 13.

Preferably, as shown in fig. 8, the catcher 2, the first connecting shaft 21, the second connecting shaft 22, the catcher rotational shaft 3, the sixth link 10, and the second driving shaft 11 are integrally formed.

Further, as shown in fig. 9 to 12, the lock case 1 is provided with a warning mechanism 14 on a side wall of the third limiting groove 13, the warning mechanism 14 includes a warning button 141 and a case 144, the case 144 is fixedly connected to the lock case 1, the warning button 141 is located in the case 144, and when the handle 2 is buckled, the second driving shaft 11 drives the warning button 141 to move up and down.

Further, the warning mechanism 14 further includes a belt 143, a protruding rod 145 is disposed on the warning button 141, a fourth limiting groove 153 is disposed on one side of the housing 144 facing away from the lock housing 1, the protruding rod 145 is inserted into the fourth limiting groove 153 and can slide up and down along the fourth limiting groove 153, the upper end and the lower end of the belt 143 are respectively surrounded on the protruding rod 145 and the second driving shaft 11, two limiting bosses 152 are disposed on one side of the housing 144 facing away from the lock housing 1, the two limiting bosses 152 are located between the protruding rod 145 and the second driving shaft 11, and the two limiting bosses 152 are respectively located on two sides of the fourth limiting groove 153.

Preferably, the second end of the second driving shaft 11 is further provided with a first boss 11a, the protruding rod 145 is further provided with a second boss 146, and the second boss 146 and the first boss 11a are used for preventing the belt 143 from sliding off.

Specifically, when the buckle 2 is buckled, the buckle rotation shaft 3 rotates and drives the second driving shaft 11 to do circular motion, the second driving shaft 11 pulls the belt 143 to move leftwards or rightwards, the belt 143 is blocked by the two limiting bosses 152 and then bends when moving, the belt 143 drives the warning button 141 to move downwards, at this time, the warning button 141 is hidden in the casing 144, and the user visually recognizes the warning button 141 to determine that the seat is not locked, as shown in fig. 12, fig. 12(a) shows a state where the warning button 141 is not exposed when the buckle 2 is buckled backwards, and fig. 12(b) shows a state where the warning button 141 is not exposed when the buckle 2 is buckled forwards.

Further, the warning mechanism 14 further includes a second spring 142, a first limit pin 147 is disposed at the bottom end of the warning button 141, the second spring 142 is abutted between the first limit pin 147 and the inner wall of the housing 144, second limit pins 148 are disposed on two sides of the warning button 141, fifth limit grooves 151 are vertically disposed on two sides of the housing 144 corresponding to the second limit pins 148, and the second limit pins 148 are inserted into the fifth limit grooves 151 and can slide up and down along the fifth limit grooves 151.

Specifically, the second spring 142 is used for enabling the warning button 141 to rebound rapidly after the buckle 2 is closed, so as to ensure that the warning button 141 is always in the pop-up state when the seat is locked.

The utility model provides a car seat unlocking device's advantage lies in:

1. the utility model can realize the front and back bidirectional unlocking of the automobile seat lock through some simple structures, greatly improves the convenience and operability of unlocking, and is more humanized in use;

2. the utility model has simple structure, low cost, practicability and economy;

3. the utility model discloses diversified unblock mode has improved the scientific and technological of vehicle, promotes the grade of vehicle.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an automobile seat unlocking device, includes lock shell (1) and attacker (2), its characterized in that, be connected with attacker rotation axis (3), first connecting axle (21) and second connecting axle (22) on attacker (2), first connecting axle (21) with second connecting axle (22) are located respectively the both sides of attacker rotation axis (3), attacker rotation axis (3) rotationally connects on lock shell (1), unlocking device still includes first connecting rod (4), second connecting rod (5), third connecting rod (6), fourth connecting rod (7), fifth connecting rod (8), first drive shaft (9) and latch hook (17), the first end of first connecting rod (4) with first connecting axle (21) are articulated, the first end of second connecting rod (5) with the second end slidable of first connecting rod (4) is connected, the first end of the third connecting rod (6) is hinged to the second connecting shaft (22), the first end of the fourth connecting rod (7) is connected with the second end of the third connecting rod (6) in a sliding mode, the second end of the second connecting rod (5) and the second end of the fourth connecting rod (7) are both hinged to the first end of the fifth connecting rod (8), the second end of the fifth connecting rod (8) is connected with the first driving shaft (9), and the first driving shaft (9) is connected with the locking hook (17) through a traction mechanism.

2. The car seat unlocking device according to claim 1, wherein the second end of the first link (4) is provided with a first slide groove (41), the first end of the second link (5) is inserted into the first slide groove (41) through a first pin and is slidable along the first slide groove (41), the second end of the third link (6) is provided with a second slide groove (61), the first end of the fourth link (7) is inserted into the second slide groove (61) through a second pin (23) and is slidable along the second slide groove (61), and the second end of the second link (5) and the second end of the fourth link (7) are both hinged to the first end of the fifth link (8) through a third pin (24).

3. The car seat unlocking apparatus as defined in claim 1, further comprising a first spring (25) of a "T" shaped structure, wherein the handle rotating shaft (3) is provided with a first through hole (31), a middle portion of the first spring (25) is inserted into the first through hole (31), and both end portions of the first spring (25) abut against an inner wall of the lock case (1).

4. The car seat unlocking apparatus according to claim 1, wherein first limiting grooves (32) are provided on both side walls of the lock case (1) at positions corresponding to the buckle rotation shaft (3), and both ends of the buckle rotation shaft (3) are inserted into the first limiting grooves (32), respectively.

5. The car seat unlocking device according to claim 1, wherein a vertical second limit groove (12) is provided on both side walls of the lock case (1) at a position corresponding to the first driving shaft (9), both ends of the first driving shaft (9) are respectively inserted into the second limit grooves (12) and the first driving shaft (9) can slide up and down along the second limit grooves (12).

6. The car seat unlocking apparatus according to claim 1, wherein the traction mechanism includes a pulling wire (15) and a linking wire (16), a first end of the pulling wire (15) is connected to the first driving shaft (9), a first end of the linking wire (16) is connected to a second end of the pulling wire (15), and a second end of the linking wire (16) is connected to the latch hook (17).

7. The car seat unlocking device according to claim 1, wherein the unlocking device further includes a sixth link (10) and a second driving shaft (11), a first end of the sixth link (10) is fixedly connected to the handle rotation shaft (3), a first end of the second driving shaft (11) is fixedly connected to a second end of the sixth link (10), a third limiting groove (13) having an arc shape is formed in one side wall of the lock case (1), a second end of the second driving shaft (11) is inserted into the third limiting groove (13), and the second driving shaft (11) can perform an arc motion along the third limiting groove (13) around the handle rotation shaft (3).

8. The car seat unlocking device according to claim 7, wherein the lock case (1) is provided with a warning mechanism (14) on a side wall of the third limiting groove (13), the warning mechanism (14) comprises a warning button (141) and a housing (144), the housing (144) is fixedly connected with the lock case (1), the warning button (141) is located in the housing (144), and when the handle (2) is pulled, the second driving shaft (11) drives the warning button (141) to move up and down.

9. The car seat unlocking device according to claim 8, wherein the warning mechanism (14) further includes a belt (143), a convex rod (145) is arranged on the warning button (141), a fourth limit groove (153) is arranged on one side of the shell (144) back to the lock shell (1), the convex rod (145) is inserted into the fourth limiting groove (153) and can slide up and down along the fourth limiting groove (153), the upper end and the lower end of the belt (143) are respectively encircled on the convex rod (145) and the second driving shaft (11), two limit bosses (152) are arranged on one side of the shell (144) back to the lock shell (1), the two limit bosses (152) are located between the nose bar (145) and the second drive shaft (11), and the two limit bosses (152) are respectively positioned at two sides of the fourth limit groove (153).

10. The car seat unlocking device according to claim 9, wherein the warning mechanism (14) further includes a second spring (142), a first limit pin (147) is disposed at a bottom end of the warning button (141), the second spring (142) abuts between the first limit pin (147) and an inner wall of the housing (144), second limit pins (148) are disposed on two sides of the warning button (141), a fifth limit groove (151) is vertically disposed on two sides of the housing (144) corresponding to a position of the second limit pin (148), and the second limit pin (148) is inserted into the fifth limit groove (151) and can slide up and down along the fifth limit groove (151).

11. A car seat characterized by comprising the car seat unlocking device according to any one of claims 1 to 10.