CN209938382U - Vehicle rear seat back locking mechanism and vehicle rear seat - Google Patents

Vehicle rear seat back locking mechanism and vehicle rear seat Download PDF

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Publication number
CN209938382U
CN209938382U CN201920564727.0U CN201920564727U CN209938382U CN 209938382 U CN209938382 U CN 209938382U CN 201920564727 U CN201920564727 U CN 201920564727U CN 209938382 U CN209938382 U CN 209938382U
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China
Prior art keywords
locking
locking pin
pin
seat back
lock
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CN201920564727.0U
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Chinese (zh)
Inventor
崔博
张敏
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Noble Automotive Systems Co Ltd
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Noble Automotive Systems Co Ltd
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Priority to CN201920564727.0U priority Critical patent/CN209938382U/en
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Abstract

The utility model provides a vehicle back-row seat back locking mechanism and vehicle back-row seat, the utility model discloses a vehicle back-row seat back locking mechanism is used for matching the locking hole that forms on vehicle automobile body, constitutes the locking of back-row seat back on one of them upset position, and this locking mechanism includes the mechanism main part of fixed connection on back-row seat back, slides and locates the locking round pin that has the locking end in the mechanism main part to and be located the elastic component between locking round pin and the mechanism main part, can accept the locking round pin of external force tractive with the one end and the locking round pin continuous other end and act as go-between. The utility model discloses a locking mechanism can be inserted by the locking end and locate the locking hole under the elastic component top pushes away to the realization is to the locking of back row seat back, and also can make the locking end retract and remove above-mentioned locking through the tractive acting line, can realize the locking to the seat back position via this locking mechanism in the state of falling for example at the back from this, and then can promote the stability of seat back state.

Description

Vehicle rear seat back locking mechanism and vehicle rear seat
Technical Field
The utility model relates to a vehicle seat technical field, in particular to vehicle back row backrest locking mechanism, simultaneously the utility model also relates to there is one kind to be provided with this vehicle back row backrest locking mechanism's vehicle back row seat.
Background
In the prior vehicle, for the rear seat, in order to meet the requirement of multifunction, the backrest of the rear seat can be adjusted by the backrest lock and the angle adjuster mechanism, and then the angle of the backrest and the backrest can be turned over, opened and laid down. Generally, the recliner mechanism can realize the locking function after the backrest is laid down through the internal gear, but the backrest lock usually has no locking function after the backrest is laid down due to the limited structure of the rear seat adopting the backrest lock structure, so that the condition of the backrest is easy to be unstable when the backrest is laid down and the safety of the seat use is affected if a vehicle runs on a large bumpy road.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a locking mechanism for a rear seat back of a vehicle, so as to lock the position of the seat back and improve the stability of the state of the seat back.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a locking mechanism for a rear seat back of a vehicle, to be fitted into a locking hole formed in a vehicle body, constituting a lock for the rear seat back in a reversed position thereof, the locking mechanism comprising:
the mechanism main body can be fixedly connected to the back of the rear seat;
the locking pin is arranged in the mechanism main body in a sliding mode and is provided with a locking end which can extend out of the mechanism main body and is inserted into the locking hole;
the elastic piece is positioned between the locking pin and the mechanism main body, and is configured to form elastic pushing on the locking pin due to elastic pre-tightening force so that the locking end extends out of the mechanism main body;
the locking pin is acted as go-between, the one end that the locking pin acted as go-between with the locking pin links to each other, just the other end that the locking pin acted as go-between can order about because of accepting external force tractive the locking pin extrudees the elastic component to constitute locking end to the retraction in the mechanism main part.
Furthermore, the elastic piece is a spring sleeved on the locking pin, and two ends of the spring are respectively abutted against the locking pin and the mechanism main body.
Further, inner bushings are respectively sleeved on the locking pins corresponding to the two ends of the spring, the two ends of the spring are respectively sleeved on the inner bushings, and the spring and the locking pins are arranged at intervals in the radial direction of the spring.
Further, the inner liner is made of plastic.
Furthermore, the mechanism body comprises a lock pin protecting cover with a mechanism connecting part and a lock pin bearing unit fixedly connected with the lock pin protecting cover; the locking pin bearing unit is provided with a locking pin large housing, a locking pin small housing and a locking pin fixing support, the locking pin small housing and the locking pin fixing support are respectively connected to two ends of the locking pin large housing, the locking pin and the spring are arranged in the locking pin bearing unit, one end of the spring is abutted to the locking pin small housing, and the locking end can extend out of the locking pin fixing support.
Furthermore, a clamping groove is formed in the lock pin protecting cover, and the lock pin small housing is made of plastics and clamped in the clamping groove.
Furthermore, the small lock pin cover shell is in threaded connection with the large lock pin cover shell.
Furthermore, the lock pin big housing is made of plastic, the lock pin fixing support is made of steel, the lock pin fixing support is sleeved on the lock pin big housing and clamped with the lock pin big housing, and the lock pin fixing support is configured to be connected with the back row seat backrest in a welding mode.
Furthermore, the mechanism connecting part is a connecting hole arranged on the lock pin protecting cover, and the locking pin pull wire is guided by the lock pin protecting cover to be connected with the locking pin.
Compared with the prior art, the utility model discloses following advantage has:
(1) vehicle back row seat back locking mechanism, push up at the elastic component and push down and can locate in the locking hole by the end of locking is inserted to the realization to the locking of back row seat back, and also can make the locking end retract and remove above-mentioned locking through the tractive stay wire, can realize the locking to the seat back position via this locking mechanism in for example the back state of falling from this, and then can promote the stability of seat back state.
(2) The elastic piece adopts the spring of cover establishing, simple structure, and the design of being convenient for is taken into effect.
(3) The spring and the locking pin are separated by arranging the inner linings at the two ends, so that the spring and the locking pin can be prevented from contacting to generate friction abnormal sound.
(4) The inner lining is made of plastic materials, so that the cost is low, the forming is simple, and the generation of friction abnormal sound can be well avoided.
(5) The mechanism main body consists of a lock pin protecting cover and a lock pin bearing unit consisting of a large cover shell, a small cover shell and a lock pin fixing support, so that the mechanism main body can be designed and molded conveniently, and is favorable for being arranged on a seat backrest.
(6) The locking groove is formed, the locking pin small housing is made of plastic, the plastic locking pin small housing can be deformed, the locking pin small housing can be clamped and fixed in the locking groove along with the shape, and therefore the connecting mode between the locking pin small housing and the locking pin protecting cover can be simplified.
(7) The big and small enclosers are connected by screw joint, which is convenient for reliable connection between the two enclosers.
(8) The big housing of lockpin adopts the plastics material, and the lockpin fixed bolster adopts the steel, and makes both joints link to each other, can be convenient for the big housing of lockpin and the connection between the lockpin fixed bolster, and the lockpin fixed bolster welds on the back simultaneously, also can improve the stability that locking mechanism set up.
(9) The mechanism connecting part adopts a connecting hole, so that the structure is simple and the connection is reliable. The locking pin pulling wire is guided by the locking pin protecting cover, so that the locking pin pulling wire can be prevented from being extruded to influence the use of the locking pin pulling wire.
Another object of the utility model is to provide a vehicle back-row seat, it includes the back-row seat back, still including locating the back-row seat back on as above vehicle back-row seat back locking mechanism, just the upset position includes the position of falling and/or the open position of back-row seat back.
The utility model discloses a vehicle back-row seat is through setting up aforementioned back locking mechanism, and this locking mechanism of accessible realizes the locking to the backrest position, can promote the stability of backrest state, and has fine practicality.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a locking mechanism according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a locking pin according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a lock pin big housing according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a lockpin small housing according to a first embodiment of the present invention;
fig. 5 is a schematic structural view of a locking pin fixing bracket according to a first embodiment of the present invention;
fig. 6 is a schematic view illustrating a connection between a locking pin and a locking pin pulling wire according to a first embodiment of the present invention;
FIG. 7 is a schematic view of a latch cover according to a first embodiment of the present invention;
fig. 8 is a schematic view illustrating an arrangement of the locking mechanism on the seat back according to the first embodiment of the present invention;
fig. 9 is a partial enlarged view of a portion a in fig. 8;
fig. 10 is a schematic view of a seat back according to a first embodiment of the present invention in an opened state;
fig. 11 is a schematic view of a seat back according to a first embodiment of the present invention in a laid-down state;
description of reference numerals:
1-locking pin, 2-locking pin big housing, 3-locking pin fixing bracket, 4-locking pin small housing, 5-locking pin protecting cover, 6-locking pin stay wire, 7-spring and 8-inner bushing;
101-locking end, 102-convex ring, 103-groove, 104-connector;
201-clamping joint, 202-limiting block;
301-flange, 302-clamping hole, 303-limit groove;
501-connecting hole, 502-bayonet, 503-card slot;
601-connecting block, 602-sheath, 603-chuck;
801-right inner liner, 802-left inner liner;
100-a backrest foot support, 200-a backrest main body, 300-a backrest framework, 400-a backrest lock, 500-a backrest lock pull wire, 600-a pull head, 700-a vehicle body part, 800-a locking hole and 900-a backrest rotating shaft.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
The present invention relates to a locking mechanism for a rear seat back of a vehicle, which is used to match with a locking hole formed on a vehicle body to lock the rear seat back at a reversed position, wherein the rear seat back is a backrest of a rear seat in the vehicle, and the general rear seat is fixedly installed in the vehicle, and cannot move back and forth along a length direction of the vehicle or move left and right along a width direction of the vehicle. Meanwhile, the above-mentioned turning position in the present embodiment generally refers to a position when the backrest is completely laid down.
The locking mechanism of this embodiment includes the mechanism main part that can fix the connection on back row backrest on the whole, slides and sets up the locking round pin that has the locking end in this mechanism main part to and be located the elastic component between locking round pin and the mechanism main part, and one end links to each other with the locking round pin and the locking round pin that the other end can accept external force tractive is acted as go-between. As shown in fig. 1, as an exemplary structure in implementation, the mechanism body includes a lock pin protecting cover 5, a lock pin large casing 2, a lock pin small casing 4 and a lock pin fixing bracket 3, and the lock pin large casing 2, the lock pin small casing 4 and the lock pin fixing bracket 3 also jointly form a lock pin bearing unit fixedly connected with the lock pin protecting cover 5 to bear the lock pin 1 and an elastic member not shown in fig. 1, and a locking end 101 of the lock pin 1 extends out of the lock pin bearing unit.
In the present embodiment, the latch protector 5 is also provided with a mechanism connecting portion for fixedly connecting the latch protector 5 to the backrest of the rear seat, and the mechanism connecting portion will be described below when the latch protector 5 is described in detail. Further, as also shown in fig. 1, the locking pin wire 6 of the present embodiment is connected to the locking pin 1 through a connecting block 601 at one end thereof, and the locking pin wire 6 is also configured to be guided by the locking pin cover 5, so that the locking pin wire 6 can be prevented from being pressed by the protection of the locking pin cover 5, and the specific arrangement of the "guiding" of the locking pin wire 6 by the locking pin cover 5 will be described later.
As shown in fig. 2, as a preferred embodiment, the elastic element is a spring 7 sleeved on the locking pin 1, and a convex ring 102 protruding outward along the radial direction of the locking pin 1 is configured on the locking pin 1, one end of the spring 7 abuts against the convex ring 102, and the other end of the spring 7 abuts against a small locking pin housing 4 screwed to one end of the large locking pin housing 2, which will be mentioned later. Furthermore, in order to avoid the friction noise generated by the contact between the spring 7 and the locking pin 1, as an improvement, an inner bushing 8 may be disposed at each end of the spring 7 and sleeved on the locking pin 1.
At this time, for convenience of description, the inner bushes 8 at both ends are respectively referred to as a left inner bush 802 and a right inner bush 801, and both ends of the spring 7 are respectively fitted over the inner bushes 8 at the corresponding ends. Thus, the spring 7 and the lock pin 1 are spaced apart in the radial direction of the spring 7, that is, in the radial direction of the lock pin 1 by the supporting function of the inner bushes 8 at both ends, so that the generation of frictional noise between the spring 7 and the lock pin 1 can be avoided.
In this embodiment, the inner liner 8 formed of the left inner liner 802 and the right inner liner 801 at both ends is preferably made of plastic, which is not only low in cost and easy to manufacture but also excellent in use effect, but of course, the inner liner 8 may be made of other materials than plastic. In addition to the collar 102, as is also shown in fig. 2, a recess 103 is provided at the end of the locking bolt 1 that is intended for connection to the locking bolt cable 6, which recess 103 is open around the circumference of the locking bolt 1, and the recess 103 is situated close to the end of the locking bolt 1, on the basis of which a connection head 104 is formed at the end of the locking bolt 1. When the connection with the locking pin wire 6 is performed, the connector 104 is inserted into the connecting block 601.
As shown in fig. 3, the locking pin big housing 2 of the present embodiment is a tubular structure as a whole, and its inner cavity is used for installing the locking pin 1 and the spring 7, and based on the direction shown in fig. 3, the locking pin small housing 4 is connected to the left end of the locking pin big housing 2, and the locking pin fixing bracket 3 is connected to the right end of the locking pin big housing 2. Furthermore, in addition to the screw-on locking pin small housing 4 mentioned above, the locking pin fixing bracket 3 is also connected to the locking pin large housing 2 by means of snap-in connection as a preferred embodiment. At this moment, based on the connection mode of this joint, be provided with joint 201 on lockpin big housing 2, joint 201 is a plurality of quantity such as two, three that the big housing 2 circumferencial direction interval of ring lockpin was arranged, and, corresponding to every joint 201, also be provided with protruding stopper 202 on lockpin big housing 2, this stopper 202 can restrict the relative motion displacement between lockpin fixed bolster 3 and lockpin big housing 2 when the joint, and it also can play the effect of preventing rotation between lockpin big housing 2 and the lockpin fixed bolster 3 simultaneously.
It should be noted that, as a preferred embodiment, the locking pin big housing 2 and the locking pin small housing 4 are both made of plastic, which is not only low in cost, but also more beneficial to the structural design and molding of the two. The structure of the small lockpin housing 4 is specifically shown in fig. 4, the small lockpin housing 4 is also tubular, the outer diameters of two ends of the small lockpin housing are different, an external thread is formed on the outer peripheral wall of one end of the small lockpin housing 4, and the external thread is matched with an internal thread formed in the left end of the large lockpin housing 2, so that the connection between the large and small housings can be realized.
It should be noted that, in addition to the screw connection, the present embodiment does not limit the connection between the lock pin large housing 2 and the lock pin small housing 4, and the connection may be implemented as long as the connection can achieve a stable connection between the two. The structure of the lock pin fixing bracket 3 of this embodiment is as shown in fig. 5, the lock pin fixing bracket 5 is also tubular as a whole, and a clamping hole 302 and a limiting groove 303 are respectively formed on the lock pin fixing bracket 3 corresponding to the clamping head 201 and the limiting block 202 on the lock pin big housing 2. When the lock pin fixing support 3 is connected with the lock pin big housing 2, the lock pin fixing support 3 is sleeved into the right end of the lock pin big housing 2, so that the clamping connector 201 is clamped into the clamping hole 302, and the limiting block 202 is embedded into the limiting groove 303.
The plastic material of this embodiment and above-mentioned two enclosers is different, and the preferred steel that adopts of lockpin fixed bolster 3 to for the one end of being connected with lockpin big encloser 2, also be formed with radial epitaxial flange 301 at the other end of lockpin fixed bolster 3, when locking mechanism sets up on the back of the back row seat, can utilize spot welding through above-mentioned flange 301 with the back lower margin support connection of back of the back row seat back, make the mechanism main part fixed more firm on the back of the back row seat from this.
In the present embodiment, the connection state between the locking pin 1 and the locking pin pulling wire 6, which is connected to the connecting block 601 through the connecting head 104, may be as shown in fig. 6, a sheath 602 is wrapped outside the locking pin pulling wire 6, and a chuck 603 is configured at an end of the sheath 602, and the chuck 603 is generally made of metal and is used for mounting on the locking pin protecting cover 5, so as to achieve a guiding effect of the locking pin protecting cover 5 on the locking pin pulling wire 6.
As shown in fig. 7, which is a schematic structural diagram of the lock pin protecting cover 5 of the present embodiment, the lock pin protecting cover 5 is a sheet metal component, wherein the mechanism connecting portion is a connecting hole 501 formed in the lock pin protecting cover 5, and the lock pin protecting cover 5 is connected to the backrest of the rear seat row by screws or rivets penetrating through the connecting hole 501 during connection. In addition to the coupling hole 501, a bayonet 502 is provided at one end of the locking pin cover 5, and a chuck 603 at the end of the sheath 602 is fitted and fixed in the bayonet 502. Opposite to the bayonet 502, the other end of the lock pin protecting cover 5 is also provided with a clamping groove 503, the appearance and the size of the clamping groove 503 are all adapted to the design of the lock pin small housing 4, so that the plastic lock pin small housing 4 is deformed by pressing the lock pin small housing 4 into the clamping groove 503, and the plastic lock pin small housing 4 is clamped and connected with the lock pin protecting cover 5 in a shape following manner.
The lock pin big housing 2, the lock pin small housing 4, the lock pin fixing bracket 3 and the lock pin protecting cover 5 form a mechanism body, and the situation that the locking pin 1 and the spring 7 are arranged in the mechanism body is still as shown in fig. 1. When the locking pin is installed in the mechanism body, it should be noted that the spring 7 is in a state of being compressed all the time, that is, the spring 7 itself has a certain pretightening force, and the pretightening force enables the convex ring 102 of the locking pin 1, which is abutted against one end of the spring 7, to abut against a shoulder structure formed inside the locking pin large housing 2, and the other end of the spring 7 abuts against the locking pin small housing 4 screwed into the locking pin large housing 2.
However, the above-described shoulder structure formed in the lock pin case 2 may be realized by, for example, making the inner diameter of the lock pin case 2 different, but it is also possible to form the shoulder structure in the lock pin fixing bracket 3 instead of forming the shoulder structure in the lock pin case 2. Alternatively, it is also possible, for example, for the flange 301 to also extend radially inward of the detent mount 3 and thus only allow the locking end 101 of the locking pin 1 to pass through, while the collar 102 on the locking pin 1 can be blocked.
As also shown in fig. 1, by securing the cartridge 602 to the locking pin housing 5, it can be seen that after attachment to the locking pin 1, the locking pin pull wire 6 is substantially under the cover of the locking pin housing 5. The design of the bayonet 502 on the lock pin protecting cover 5 and the mutual matching between the bayonet 502 and the clamping head 602 play a role in guiding the lock pin pulling wire 6, and the lock pin protecting cover 5 covers the lock pin pulling wire 6, namely plays a role in protecting the lock pin pulling wire 6.
Based on the above description of the overall structure of the locking mechanism of the present embodiment, the locking mechanism is installed on the back row seat back as shown in fig. 8 and fig. 9, at this time, the back row seat back has the back main body 200 and the back frame 300 fixedly connected with the back main body 300, and the lock pin protecting cover 5 in the locking mechanism is connected to the back frame 300. Meanwhile, the backrest lock 400 is also arranged on one side of the backrest frame 300 close to the top thereof, the slider 600 is arranged on the top of the backrest frame 300, and as a preferable design form, the locking pin pulling wire 6 in the locking mechanism of the embodiment and the backrest lock pulling wire 500 of the backrest lock 400 are both connected to the slider 600, so that the backrest lock 400 and the locking pin 1 in the locking mechanism can be synchronously controlled by the slider 600 to realize the simultaneous unlocking of the backrest lock 400 and the locking mechanism.
In this embodiment, the bottom of the backrest frame 300 is fixedly connected with the backrest anchor bracket 100, the flange 301 of the steel lock pin fixing bracket 3 in the locking mechanism is welded on the inner side of the backrest anchor bracket 100, and the backrest anchor bracket 100 is also provided with a through hole corresponding to the lock pin fixing bracket 3 so that the locking end 101 of the lock pin 1 can extend out. In addition to the through hole for the locking end 101 to extend out, a through hole structure for the backrest rotating shaft 900 to insert is further provided on the backrest foot support 100, and the backrest rotating shaft 900 is fixedly connected to the vehicle body, so that the backrest of the rear seat row can be turned over relative to the vehicle body through the pivoting of the backrest foot support 100 relative to the backrest rotating shaft 900.
In the specific arrangement of the backrest rotating shaft 900, a vehicle body 700 may be fixedly connected to a floor structure of a vehicle body, and one end of the backrest rotating shaft 900 may be connected to the vehicle body 700. In addition, the locking hole 800 formed in the vehicle body may be provided in the vehicle body member 700 to lock the rear seat back in accordance with the insertion of the locking pin 1.
When the locking mechanism of the embodiment is used, as shown in fig. 10 and 11, when the rear seat back is in a use state, that is, as shown in fig. 10, the seat back is connected with the vehicle body through the back lock 400, at this time, because the locking hole 800 is not aligned with the locking end 101 of the locking pin 1, the locking end 101 abuts against the end surface of the vehicle body member 700 under the biasing force of the spring 7. When the back row seat back needs to be laid down, the pull head 600 is pulled to open the back lock 400, the back is turned over to enter the fully laid down position shown in fig. 11, the locking hole 800 is aligned with the locking end 101 when the back is in the laid down position, the locking end 101 is driven by the spring 7 to be inserted into the locking hole 800, and therefore locking of the back row seat back is achieved through mutual matching of the locking pin 1 and the locking hole 800, and further the situation that when the back is laid down and a vehicle enters a large bumpy road surface, the use safety of the seat is affected due to instability of the state of the back can be avoided.
When the reclining backrest needs to be returned for use, the slider 600 is pulled to pull the locking pin 1 through the locking pin pulling wire 6, so that the locking pin 1 compresses the spring 7, and the locking end 101 retracts into the mechanism body, namely the locking pin fixing bracket 3, and is released from the locking hole 800. At this time, the backrest is turned back to the use state shown in fig. 10, and the backrest lock 400 is locked to the vehicle body.
Example two
The embodiment relates to a vehicle rear seat, which comprises a rear seat back and a vehicle rear seat back locking mechanism arranged on the rear seat back as in the first embodiment, wherein the turning position as described in the first embodiment can be an open position of the rear seat back in addition to the falling position of the rear seat back as mentioned in the first embodiment. At this time, the above-mentioned laid-down position and open position refer to two positions of the backrest, i.e., the use state and laid-down state, which are still shown in fig. 10 and 11, fully laid down and opened.
In addition, for locking the backrest in the open position as described above, it is possible, for example, to provide the body part 700 with a further locking hole structure corresponding to the open position, so that when the rear seat backrest is brought into the open use position, the locking end 101 of the locking pin 1 enters this locking hole structure, so that the backrest can be locked, and it is also possible to lock the backrest doubly together with the backrest lock 400.
This embodiment vehicle back-row seat is through setting up the back locking mechanism of embodiment one, and this locking mechanism of accessible realizes the locking to the backrest position, can promote the stability of backrest state, and has fine practicality.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a vehicle back row seat back locking mechanical system to the locking hole (800) that the matching formed on the vehicle automobile body constitute the locking of back row seat back on its upset position, its characterized in that: this locking mechanism includes:
the mechanism main body can be fixedly connected to the back of the rear seat;
the locking pin (1) is arranged in the mechanism body in a sliding mode, and the locking pin (1) is provided with a locking end (101) which can extend out of the mechanism body and is inserted into the locking hole (800);
the elastic piece is positioned between the locking pin (1) and the mechanism body, and is configured to form elastic pushing on the locking pin (1) due to elastic pre-tightening force, so that the locking end (101) extends out of the mechanism body;
the locking pin pulling wire (6), one end of the locking pin pulling wire (6) is connected with the locking pin (1), and the other end of the locking pin pulling wire (6) can drive the locking pin (1) to extrude the elastic piece due to the fact that the locking pin pulling wire bears external force traction, so that the locking end (101) retracts into the mechanism main body.
2. The vehicle rear seat back lock mechanism according to claim 1, characterized in that: the elastic piece is a spring (7) sleeved on the locking pin (1), and two ends of the spring (7) are respectively abutted against the locking pin (1) and the mechanism main body.
3. The vehicle rear seat back lock mechanism according to claim 2, characterized in that: inner bushings (8) are respectively sleeved on the locking pins (1) corresponding to two ends of the springs (7), two ends of the springs (7) are respectively sleeved on the inner bushings (8), and the springs (7) radially form intervals between the springs (7) and the locking pins (1).
4. The vehicle rear seat back lock mechanism according to claim 3, characterized in that: the inner sleeve (8) is made of plastic.
5. The vehicle rear seat back lock mechanism according to any one of claims 2 to 4, characterized in that: the mechanism body comprises a lock pin protecting cover (5) with a mechanism connecting part and a lock pin bearing unit fixedly connected with the lock pin protecting cover (5); the locking pin bearing unit is provided with a locking pin large housing (2), a locking pin small housing (4) and a locking pin fixing support (3), the locking pin small housing (4) and the locking pin fixing support (3) are respectively connected to two ends of the locking pin large housing (2), the locking pin (1) and the spring (7) are arranged in the locking pin bearing unit, one end of the spring (7) is abutted to the locking pin small housing (4), and the locking end (101) can extend out of the locking pin fixing support (3).
6. The vehicle rear seat back lock mechanism according to claim 5, characterized in that: a clamping groove (503) is formed in the lock pin protecting cover (5), and the lock pin small housing (4) is made of plastics and is clamped in the clamping groove (503).
7. The vehicle rear seat back lock mechanism according to claim 6, wherein: the small lock pin cover shell (4) is in threaded connection with the large lock pin cover shell (2).
8. The vehicle rear seat back lock mechanism according to claim 5, characterized in that: the lock pin big housing (2) is made of plastic, the lock pin fixing support (3) is made of steel, the lock pin fixing support (3) is sleeved on the lock pin big housing (2) and is clamped with the lock pin big housing (2), and the lock pin fixing support (3) is configured to be connected with the back row seat backrest in a welding mode.
9. The vehicle rear seat back lock mechanism according to claim 5, characterized in that: the mechanism connecting part is a connecting hole (501) formed in the lock pin protecting cover (5), and the locking pin pull wire (6) is guided by the lock pin protecting cover (5) to be connected with the locking pin (1).
10. The utility model provides a vehicle back row seat, includes back row seat back, its characterized in that: the vehicle rear seat back locking mechanism according to any one of claims 1 to 9 provided on the rear seat back, and the flip position includes a laid-down position and/or an open position of the rear seat back.
CN201920564727.0U 2019-04-24 2019-04-24 Vehicle rear seat back locking mechanism and vehicle rear seat Active CN209938382U (en)

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CN201920564727.0U CN209938382U (en) 2019-04-24 2019-04-24 Vehicle rear seat back locking mechanism and vehicle rear seat

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Application Number Priority Date Filing Date Title
CN201920564727.0U CN209938382U (en) 2019-04-24 2019-04-24 Vehicle rear seat back locking mechanism and vehicle rear seat

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115092021A (en) * 2022-06-10 2022-09-23 延锋国际座椅系统有限公司 Cable type unlocking mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115092021A (en) * 2022-06-10 2022-09-23 延锋国际座椅系统有限公司 Cable type unlocking mechanism
CN115092021B (en) * 2022-06-10 2023-12-08 延锋国际座椅系统有限公司 Inhaul cable type unlocking mechanism

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