CN216184658U

CN216184658U - Two keep off locking device and car seat

Info

Publication number: CN216184658U
Application number: CN202122587918.9U
Authority: CN
Inventors: 李洁辰
Original assignee: Shanghai Rox Intelligent Technology Co Ltd
Current assignee: Shanghai Rox Intelligent Technology Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-05
Anticipated expiration: 2031-10-26

Abstract

The application discloses two keep off lock device and car seat, two keep off the lock device and include: the lock tongue mechanism is arranged on the seat backrest and comprises a base, a lock tongue rotatably arranged on the base and an elastic resetting piece arranged between the base and the lock tongue; the locking mechanism is arranged on an automobile body and comprises a first locking piece and a second locking piece which are arranged at intervals, and the first locking piece and the second locking piece can lock the lock tongue so as to lock the seat back in a first gear and a second gear; the unlocking mechanism comprises an unlocking pull wire and an unlocking handle, the unlocking handle is arranged on the side of the seat back and located on the automobile body, the two ends of the unlocking pull wire are respectively connected with the unlocking handle and the lock tongue, and the unlocking pull wire can be pulled by the unlocking handle to drive the lock tongue to rotate relative to the base, so that the lock tongue is separated from the first locking piece or the second locking piece. The application provides a two stop lock device simple structure and ingenious can make things convenient for the person of taking swiftly the unblock and adjust the position of seat back.

Description

Two keep off locking device and car seat

Technical Field

This application belongs to car seat technical field, especially relates to a keep off lock device and car seat.

Background

Currently, for car seats, in particular rear seats, in order to improve their comfort, the seat backs of rear seats of some models have added a back adjustment function. In order to save cost, the seat back is adjusted in the form of a two-gear lock in part of vehicle types, and the seat back can have two locking positions, so that two seat back use angles are provided for rear passengers.

Most structures of current two fender lock structures on the market are complicated, high in production cost, it requires the space big to arrange, and all arrange the centre of rotation of backrest or the shoulder of backrest, when the person of taking needs the unblock to adjust the position of backrest, need break away from the state of taking, stand and turn round backward and go the unblock to be located the two fender lock structures of backrest, and then adjust the backrest to the position of ideal, the structure and the arrangement mode of this type of lock have caused a great deal of inconvenience to the autonomic regulation of person of taking, the person of taking can not be swiftly and convenient unblock and adjust the position of backrest.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. Therefore, the embodiment of the application provides a two stop lock device and car seat, and its simple structure and ingenious can make things convenient for the person of taking swiftly unblock and adjust the position of seat back.

In a first aspect, the present application provides a two keep off lock device, including:

the lock tongue mechanism is arranged on the seat backrest and comprises a base, a lock tongue rotationally arranged on the base and an elastic resetting piece arranged between the base and the lock tongue;

the locking mechanism is arranged on an automobile body and comprises a first locking piece and a second locking piece which are arranged at intervals, and the first locking piece and the second locking piece can lock the lock tongue so as to lock the seat back in a first gear and a second gear;

the unlocking mechanism comprises an unlocking pull wire and an unlocking handle, the unlocking handle is arranged on the side of a seat backrest of the automobile, two ends of the unlocking pull wire are respectively connected with the unlocking handle and the lock tongue, and the unlocking handle can pull the unlocking pull wire to drive the lock tongue to rotate relative to the base so as to enable the lock tongue to be separated from the first locking piece or the second locking piece;

after the lock tongue is separated from the first locking piece, the lock tongue can rotate a certain angle relative to the seat cushion along with the seat back to be locked by the second locking piece.

The two-blocking lock device according to the first aspect of the present application has at least the following advantages:

the utility model provides a keep off lock device through set up spring bolt mechanism and locking mechanism on backrest and automobile body respectively to through the locking cooperation of spring bolt and first locking piece and second locking piece, simple structure can realize the location locking of backrest on first fender position and second fender position, makes the backrest have two different latched positions. In addition, by arranging the unlocking mechanism, the unlocking handle is skillfully arranged on the automobile body and is positioned at the side of the seat back, when a rider needs to adjust the seat back from a first gear to a second gear, the unlocking handle can be directly operated on the seat, the unlocking handle pulls the unlocking pull wire, the lock tongue is driven to rotate relative to the base, the lock tongue is separated from the first locking piece, the seat back is separated from the locking state at the moment, the seat back can rotate relative to the seat, the lock tongue mechanism positioned on the seat back can synchronously rotate for a certain angle along with the seat back until the lock tongue rotates to the position of the second locking piece and can be locked by the second locking piece, the positioning and locking of the seat back on the second gear are realized, and by the arrangement, the rider can complete the locking adjustment of the seat back at two gears in a riding state, make things convenient for the person of taking swiftly the unblock and adjust the position of seat back, promoted whole car seat's simple operation nature and travelling comfort.

According to some embodiments of the present application, the lock tongue is provided with a first lock groove and a second lock groove, and when the seat back is locked at the first gear, the first locking member is locked at the first lock groove; when the seat back is locked at a second gear, the first locking piece and the second locking piece are respectively clamped in the second locking groove and the first locking groove.

According to some embodiments of the application, a distance between the first and second locking grooves is equal to a distance of the first and second locking members.

According to some embodiments of the application, elasticity piece that resets is the torsional spring, be equipped with the installation axle on the base, the torsional spring housing is established install epaxial just the both ends of torsional spring respectively with the base with the spring bolt butt.

According to some embodiments of the application, one end of the lock tongue is hinged to the base through a first pin shaft, and the other end of the lock tongue is connected with the unlocking pull wire.

According to some embodiments of this application, release mechanism is still including being fixed in the installed part on the automobile body, the unblock attacker through the second round pin axle articulate in the installed part, the unblock attacker with be equipped with the torsional spring that resets between the installed part, the torsional spring cover that resets is established sell epaxial.

According to some embodiments of the application, the release mechanism is still including the installed part that is fixed in automobile body, the release buckle hand slidable mounting in on the installed part, the release buckle hand with be equipped with reset spring between the installed part.

According to some embodiments of the present application, the release button has a button slot.

According to some embodiments of the application, the vehicle seat further comprises a plurality of fixing buckles, the fixing buckles can be arranged on the vehicle body or the vehicle seat at intervals, and the unlocking pull wire penetrates through the fixing buckles.

In a second aspect, the present application also provides a car seat comprising:

a seat cushion;

a seat back hinged to the seat cushion;

as mentioned above, the base is fixedly arranged on the seat back.

According to the automobile seat of the second aspect of the application, at least the following advantages are achieved:

the utility model provides a car seat through setting up foretell two blocking lock device, can realize the location locking of backrest on two different angles, simultaneously, has also made things convenient for the person of taking to the backrest in two regulations that keep off the position of keeping off the position, the person of taking need not break away from the state of taking promptly swiftly unblock promptly and adjust the position of backrest, has effectively promoted whole car seat's simple operation nature and travelling comfort.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a secondary lock mechanism according to some embodiments of the present application;

FIG. 2 is a schematic view of the engagement of a secondary locking mechanism with a seat back and a vehicle according to some embodiments of the present application;

fig. 3 is a schematic structural view of a deadbolt mechanism according to some embodiments of the present application;

fig. 4 is a schematic structural view of a locking bolt of some embodiments of the present application;

FIG. 5 is a schematic structural view of an unlocking mechanism according to some embodiments of the present application;

FIG. 6 is another schematic structural view of an unlocking mechanism according to some embodiments of the present application;

fig. 7 is a schematic structural view of a retaining clip according to some embodiments of the present application.

In the drawings: a latch bolt mechanism 100; a base 110; mounting shafts 111; a latch tongue 120; a first locking groove 121; a second locking groove 122; an elastic restoring member 130; an unlocking mechanism 200; unlocking the pull wire 210; an unlocking handle 220; a catching groove 221; a mounting member 230; a fixing buckle 300; a via 310; a seat back 400; a first pin 500; a C column 600.

Detailed Description

Features and exemplary embodiments of various aspects of the present application will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the embodiments of the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.

In the description of the present application, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the embodiments of the present application and simplifying the description, but does 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 embodiments of the present application.

In the description of the embodiments of the present application, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the embodiments of the present application, unless otherwise explicitly limited, terms such as setting, installing, connecting and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the present application in combination with the specific contents of the technical solutions.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The embodiments will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, an embodiment of the present application discloses a two-blocking lock device, which includes a latch bolt mechanism 100, a locking mechanism (not shown), and an unlocking mechanism 200. The latch bolt mechanism 100 is disposed on the seat back, and the latch bolt mechanism 100 includes a base 110, a latch bolt 120 rotatably disposed on the base 110, and an elastic restoring member 130 disposed between the base 110 and the latch bolt 120.

The locking mechanism is arranged on an automobile body (not shown in the figure), and comprises a first locking piece (not shown in the figure) and a second locking piece (not shown in the figure) which are arranged at intervals, and the first locking piece and the second locking piece can lock the bolt 120 so that the seat back is locked in the first gear and the second gear.

The unlocking mechanism 200 comprises an unlocking pull wire 210 and an unlocking handle 220, the unlocking handle 220 is arranged on the side of the seat back of the automobile, two ends of the unlocking pull wire 210 are respectively connected with the unlocking handle 220 and the lock tongue 120, and the unlocking handle 220 can pull the unlocking pull wire 210 to drive the lock tongue 120 to rotate relative to the base 110, so that the lock tongue 120 is separated from the first locking piece or the second locking piece.

After the latch tongue 120 is separated from the first locking member, the latch tongue 120 can rotate a certain angle relative to the seat cushion along with the seat back and be locked by the second locking member.

It should be noted that, in the latch bolt mechanism 100, the elastic restoring member 130 may be a spring or a torsion spring, the elastic restoring member 130 is preferably a torsion spring, the base 110 may be provided with an installation shaft 111 for the torsion spring to be sleeved on, the torsion spring is sleeved on the installation shaft 111, and two ends of the torsion spring are respectively abutted to the base 110 and the latch bolt 120, it is easy to understand that, when the unlocking cable 210 is released by the unlocking handle 220, the latch bolt 120 is reset under the elastic force of the elastic restoring member 130 and is in locking fit with the first locking member or the second locking member, that is, the elastic restoring member 130 plays a role in restoring the latch bolt 120.

In addition, in the car seat used in cooperation with the second gear lock device of the present application, a seat back and a seat cushion of the car seat are rotatably connected, and the seat back may be pivotally connected to the seat cushion through a rotating shaft or a hinge, so that the seat back can rotate relative to the seat cushion when being out of a locked state, and then the seat back drives the latch mechanism 100 and the latch 120 thereon to move back and forth between the first locking member and the second locking member, so that the latch 120 on the seat back is locked by the first locking member and the second locking member respectively and is in the first gear position and the second gear position.

In addition, it should be noted that, in the locking mechanism, both the first locking member and the second locking member may be linear structural members such as a lock rod or a lock column, and in order to better match the arc-shaped movement track of the lock tongue 120 rotating along with the seat back relative to the seat cushion, a connecting line between the first locking member and the second locking member is inclined relative to the bottom surface of the automobile body, that is, the connecting line between the first locking member and the second locking member is inclined relative to the bottom surface.

It should be further noted that, in the unlocking mechanism 200, in order to further facilitate the rider to operate the unlocking handle 220, the unlocking handle 220 may be fixed to a C-pillar 600 of the automobile body (a sheet metal part located on the automobile body and located on a side of the automobile seat), and of course, the unlocking handle 220 may also be fixed on a side of the seat cushion, and through the above arrangement, the rider can directly operate the unlocking handle 220 in the riding state to adjust the locking position of the unlocking handle 220.

The unlocking handle 220 may be a push-type handle, a pull-type handle, an electronic handle or an electromagnetic handle, and the specific structure of the unlocking handle 220 is not limited, and only the requirement that the unlocking handle 210 can be pulled and released is met.

The two blocking lock device of this application through set up spring bolt mechanism 100 and locking mechanism on backrest and automobile body respectively to through the locking cooperation of spring bolt 120 with first locking piece and second locking piece, simple structure can realize the location locking of backrest on first fender position and second fender position, makes the backrest have two different latched positions.

In addition, the two lock device of this application is through setting up release mechanism 200, simultaneously, with the ingenious setting of unblock attacker 220 on automobile body and make unblock attacker 220 be located the side of backrest, when the person of taking needs to adjust the backrest to the second by first fender position, can directly operate unblock attacker 220 on the seat for unblock attacker 220 stimulates unblock guy 210, and then drives the relative base 110 rotation of spring bolt 120, makes spring bolt 120 break away from the locking of first locking piece. At this time, the seat back is out of the locked state, the seat back can rotate relative to the seat, the latch mechanism 100 on the seat back can rotate with the seat back synchronously by a certain angle until the latch 120 rotates to the position of the second latch member, and the latch mechanism can be locked by the second latch member, so that the positioning and locking of the seat back on the second stop position are realized.

Through the arrangement, the seat back can be locked and adjusted in two gears by the seat occupant in the riding state, the seat occupant can be conveniently and quickly unlocked and the position of the seat back can be adjusted, and the operation convenience and the comfort of the whole automobile seat are improved.

Referring to fig. 3 and 4, in some embodiments of the present application, the latch tongue 120 is formed with a first latch groove 121 and a second latch groove 122, and when the seat back is locked in the first gear, the first latch member is latched to the first latch groove 121; when the seat back is locked in the second gear, the first and second lock members are respectively locked in the second lock groove 122 and the first lock groove 121. First locked groove 121 and second locked groove 122 all can be the U-shaped groove, and at this moment, first locking piece and second locking piece are locking lever or lock post, and the opening direction in U-shaped groove is towards the line between first locking piece and the second locking piece, and the shape setting in U-shaped groove can make spring bolt 120 rotate relatively 110 more smoothly, and then rotate and break away from first locking piece or second locking piece.

Referring to fig. 1, 2, 3 and 4 again, it should be understood that, when the occupant needs to adjust the seat back from the first gear to the second gear, the occupant can operate the unlocking handle 220, so that the unlocking handle 220 pulls the unlocking wire 210 to drive the latch tongue 120 to rotate counterclockwise relative to the base 110, so that the first locking groove 121 on the latch tongue 120 rotates to disengage from the first locking member, and in this process, the elastic resetting member 130 is in a compressed state under the action of the latch tongue 120. At this time, the seat back is out of the locked state of the first gear, the occupant can make the seat back rotate backward relative to the seat cushion by means of the backward thrust of the back of the occupant to the seat back, in this process, the unlocking handle 220 keeps the bound state of the lock tongue 120 through the unlocking pull wire 210, so that the lock tongue 120 and the seat back keep a relatively static state, so that the lock tongue 120 only has the freedom of movement to rotate synchronously with the seat back, the inner wall of the second locking groove 122 on the lock tongue 120 is just stopped by the first locking member after the seat back rotates by a certain angle, at this time, the seat back cannot rotate continuously, the occupant can operate the unlocking handle 220 again, so that the unlocking handle 220 loosens the bound on the unlocking pull wire 210 and the lock tongue 120, the lock tongue 120 and the unlocking pull wire 210 return to the initial positions under the elastic force of the elastic return member 130, and the lock tongue 120 rotates and returns relative to the base 110, the first and second lock grooves 121 and 122 on the lock tongue 120 are respectively sleeved on the second and first lock pieces in a rotating manner, so that the second and first lock pieces lock the lock tongue 120 synchronously, and at this time, the whole seat back is in a lock state of the second gear.

Obviously, through the ingenious arrangement of the first locking groove 121 and the second locking groove 122, when the seat back is in the second gear, the second locking piece and the first locking piece lock the bolt 120 at the same time, and the stability of the seat back in the second gear is ensured.

In addition, in order to ensure accurate and stable switching adjustment of the seat back between the first gear and the second gear, the distance between the first lock groove 121 and the second lock groove 122 is equal to the distance between the first lock piece and the second lock piece, and at the same time, the stability of the seat back in the second gear is further ensured.

Referring again to fig. 3, in some embodiments of the present application, one end of the latch tongue 120 is hinged to the base 110 by a first hinge pin 500, and the other end of the latch tongue 120 is connected to the unlocking cable 210. Through hinging the bolt 120 on the base 110, the unlocking handle 220 pulls the unlocking pull line 210 to drive the bolt 120 to rotate around the first pin shaft 500, so as to increase the rotation angle of the bolt 120 relative to the base 110, and ensure that the bolt 120 can be completely separated from the first locking piece and the second locking piece.

Referring to fig. 5 and 6, in some embodiments of the present disclosure, the unlocking mechanism 200 further includes a mounting member 230 fixed to the vehicle body, the unlocking handle 220 is hinged to the mounting member 230 through a second pin, and a return torsion spring is disposed between the unlocking handle 220 and the mounting member 230, and the return torsion spring is sleeved on the pin. When the rider needs to operate the unlocking handle 220 to switch the locking gear of the seat back, the rider can manually pull up the unlocking handle 220, so that the unlocking handle 220 rotates around the second pin shaft, and the purpose that the unlocking handle 220 pulls the unlocking pull wire 210 is achieved. The rider loosens the unlocking handle 220, the unlocking handle 220 drives the unlocking pull wire 210 to reset to the initial position under the action of the reset torsion spring, and the reset torsion spring at the position plays a role in automatically resetting the unlocking handle 220 and the corresponding unlocking pull wire 210.

It should be noted that, in a specific embodiment, the mounting member 230 may be detachably fixed to the vehicle body through a screw or a hook, so that a vehicle designer can adjust the position of the unlocking handle 220 according to actual requirements conveniently, and an avoiding cavity is disposed in the middle of the mounting member 230 to provide a sufficient avoiding space for the unlocking handle 220 to rotate around the second pin shaft, so as to avoid that the mounting member 230 collides with the unlocking handle 220 to affect the normal rotation of the unlocking handle 220.

In other embodiments, the unlocking mechanism 200 includes a mounting member 230 fixed to the body of the vehicle, the unlocking button 220 is slidably mounted on the mounting member 230, and a return spring is disposed between the unlocking button 220 and the mounting member 230. Through the above arrangement, the rider can manually operate the unlocking handle 220 to slide relative to the mounting member 230, so that the unlocking handle 220 can pull the unlocking pull wire 210, and similarly, after the rider releases the unlocking handle 220, the reset spring can automatically reset the unlocking handle 220 and the corresponding unlocking pull wire 210.

In addition, referring to fig. 5 and 6, in some embodiments of the present application, the unlocking handle 220 is provided with a buckle slot 221, so that the rider can conveniently pull or slide the unlocking handle 220 by manual operation.

Referring again to fig. 1, 2 and 7, in some embodiments of the present application, a plurality of fixing buckles 300 are further included, the plurality of fixing buckles 300 may be arranged on the vehicle body or the vehicle seat at intervals, and the unlocking pulling wire 210 is arranged through the fixing buckles 300. It is understood that the fixing clip 300 may be detachably fixed to the car body or the car seat by a rivet or a screw, the fixing clip 300 has a through hole 310 for the unlocking pull wire 210 to pass through, and the fixing clip 300 may be configured as an elastic clip, so that the through hole 310 on the fixing clip 300 can be adapted to unlocking pull wires 210 of different specifications. When the unlocking pulling wire 210 is assembled, one end of the unlocking pulling wire 210 is fixedly connected to the unlocking buckle 220, and the other end of the unlocking pulling wire 210 sequentially passes through the through hole 310 on the fixing buckle 300 and then is connected to the locking tongue 120. Through the arrangement of the fixed buckle 300, the shape of the unlocking pull wire 210 can be corrected, so that the unlocking pull wire 210 moves along a specific track under the action of the unlocking buckle 220, the movement accuracy of the lock tongue 120 is ensured, and meanwhile, the unlocking pull wire 210 is effectively prevented from being distributed disorderly on the automobile body.

In addition, the present application further provides an automobile seat, which includes a seat cushion, a seat back 400 and the above-mentioned two-locking device, wherein the seat back 400 is hinged to the seat cushion, and the base 110 of the latch bolt mechanism 100 is fixedly arranged on the seat back 400.

The utility model provides a car seat through setting up foretell two blocking device, can realize the location locking of backrest 400 on two different angles, simultaneously, has also made things convenient for the person of taking to the backrest in two regulations that keep off the position of keeping off the position, the person of taking need not break away from the state of taking promptly and swiftly unblock and adjust the position of backrest, has effectively promoted whole car seat's simple operation nature and travelling comfort.

In addition, the application also provides an automobile which comprises a plurality of automobile seats, and obviously, the automobile seat also has the same technical effects as the automobile seats.

The above description is only a specific implementation of the embodiments of the present application, but the scope of the embodiments of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the embodiments disclosed in the present application, and these modifications or substitutions should be covered by the scope of the embodiments of the present application. Therefore, the protection scope of the embodiments of the present application shall be subject to the protection scope of the claims.

Claims

1. A two keep off lock device, comprising:

2. The two-gear lock device according to claim 1, wherein the latch bolt is provided with a first lock groove and a second lock groove, and when the seat back is locked at the first gear, the first locking member is locked at the first lock groove; when the seat back is locked at a second gear, the first locking piece and the second locking piece are respectively clamped in the second locking groove and the first locking groove.

3. The secondary lock device of claim 2, wherein the distance between the first and second lock grooves is equal to the distance between the first and second lock members.

4. The two-blocking lock device according to any one of claims 1 to 3, wherein one end of the latch is hinged to the base by a first pin, and the other end of the latch is connected to the unlocking cable.

5. The secondary locking device according to claim 1, wherein the unlocking mechanism further comprises a mounting member fixed to the body of the automobile, the unlocking handle is hinged to the mounting member through a second pin, a return torsion spring is arranged between the unlocking handle and the mounting member, and the return torsion spring is sleeved on the pin.

6. The secondary lock device as claimed in claim 1, wherein the unlocking mechanism further comprises a mounting member fixed to the body of the automobile, the unlocking knob is slidably mounted on the mounting member, and a return spring is provided between the unlocking knob and the mounting member.

7. The two-blocking lock device as claimed in claim 5 or 6, wherein the unlocking handle is provided with a catching groove.

8. The secondary lock device as claimed in claim 1, further comprising a plurality of fixing clips, the plurality of fixing clips can be arranged on the car body or the car seat at intervals, and the unlocking cable is arranged through the fixing clips.

9. The two-gear lock device according to claim 1, wherein the elastic restoring member is a torsion spring, the base is provided with an installation shaft, the torsion spring is sleeved on the installation shaft, and two ends of the torsion spring are respectively abutted to the base and the lock tongue.

10. A vehicle seat, comprising:

a seat cushion;

a seat back hinged to the seat cushion;

the two blocking lock device according to any one of claims 1 to 9, wherein the base is fixedly attached to the seat back.