CN111114403A - Automobile seat - Google Patents
Automobile seat Download PDFInfo
- Publication number
- CN111114403A CN111114403A CN201811640153.7A CN201811640153A CN111114403A CN 111114403 A CN111114403 A CN 111114403A CN 201811640153 A CN201811640153 A CN 201811640153A CN 111114403 A CN111114403 A CN 111114403A
- Authority
- CN
- China
- Prior art keywords
- lock
- seat cushion
- locking
- seat
- backrest
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
- B60N2/3038—Cushion movements
- B60N2/304—Cushion movements by rotation only
- B60N2/3045—Cushion movements by rotation only about transversal axis
- B60N2/3047—Cushion movements by rotation only about transversal axis the cushion being hinged at the back-rest
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
- B60N2002/952—Positioning and locking mechanisms characterised by details of the locking system
- B60N2002/967—Positioning and locking mechanisms characterised by details of the locking system the locking system prevents tilt of whole seat by retaining and locking the seat in a vertical storage position
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides an automobile seat which is arranged on an automobile body and mainly comprises a base, a seat cushion and a backrest, wherein the base is fixedly arranged on the automobile body, the seat cushion is pivoted on the base, and a seat cushion lock capable of locking the seat cushion at least at an unfolding position or a folding position is constructed between the seat cushion and the base; one end of the backrest is hinged with the seat cushion, the other end of the backrest is connected with the vehicle body through the backrest lock, and when the seat cushion is turned over, the backrest lock can guide the hinge point of the backrest to rotate backwards, so that the limitation on the turning angle of the seat cushion is reduced. According to the automobile seat, the seat cushion is arranged on the base in a pivoting mode, the backrest lock is constructed to guide the joint point of the backrest to rotate backwards when the seat cushion rotates, so that the limitation on the pivoting angle of the seat cushion can be reduced, the folding angle of the seat cushion can be increased, and the use space in an automobile can be enlarged.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile seat.
Background
At present, in the automobile passenger car with less than seven seats, the seat cushion of the rear-row seat is mostly of an integral type fixed structure, and even if the seat cushion of the middle-row seat is of a split type sliding structure, the seat cushion also occupies most space of the rear-row seat. Some seat cushions are arranged in a foldable structure in order to increase the space of the rear row, but the folding angle of the seat cushion is limited because the backrest is fixed, so that the saved space is smaller.
Disclosure of Invention
In view of the above, the present invention is directed to a vehicle seat, which increases a folding angle of a seat cushion to increase a usage space in a vehicle.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a car seat installs on the automobile body, and this car seat includes:
the base is fixedly arranged on the vehicle body;
the seat cushion is pivoted on the base, and a seat cushion lock which can lock the seat cushion at least at an unfolding position or a folding position is constructed between the seat cushion and the base;
and the backrest is hinged with the seat cushion at one end, is connected with the vehicle body at the other end through a backrest lock, and can guide a hinge point of the backrest to rotate backwards when the seat cushion is turned and folded, so that the limitation on the turning angle of the seat cushion is reduced.
Further, when the seat cushion is locked at the unfolding position, a storage space is formed between the seat cushion and the vehicle body.
Furthermore, a telescopic power assisting part for applying folding power assisting to the seat cushion is connected between the base and the pivoting end of the seat cushion.
Further, the seat cushion lock includes:
the base plate is fixedly arranged on the pivot shaft of the seat cushion and can rotate along with the seat cushion;
the driving part is pivoted on the base plate, and a driving end which extends outwards along the radial direction of the pivoting shaft of the seat cushion is constructed on the driving part;
the locking piece is fixedly arranged on the base, and a locking end sleeved on the pivotal shaft of the seat cushion is constructed on the locking piece;
the transmission piece is positioned between the driving piece and the locking piece, can be arranged on the substrate in a swinging manner, and is provided with a transmission end capable of forming locking fit with the locking end;
the elastic piece is connected between the substrate and the driving piece, and when the driving piece supports external unlocking force and the driving end pushes the driving piece to rotate, the elastic piece stores energy because the driving end is far away from the locking end; and when the transmission piece rotates along with the seat cushion to form the position correspondence between the transmission end and the locking end, the elastic piece can release energy to drive the driving end to push the transmission piece to rotate reversely, so that the transmission end and the locking end are locked, and the seat cushion is locked.
Furthermore, a transmission tooth group is formed on the transmission end, and a locking groove group capable of being meshed with the transmission tooth group is formed on the locking end corresponding to the transmission tooth group.
Further, the locking groove groups are two and are arranged at intervals along the circumferential direction of the pivotal shaft of the seat cushion.
Furthermore, the included angle between the two locking groove groups is 75-85 degrees.
Further, the backrest lock includes:
the lock seat is fixedly arranged on the vehicle body, and a lock rod arranged in a sliding manner is constructed on the lock seat;
the lock body is fixedly arranged on the backrest, a lock groove for the lock rod to be embedded in is formed in the lock body, and a locking unit for locking the lock rod in the lock groove is formed due to the fact that the lock rod is embedded into the lock groove;
and under the locking state of the lock rod, the lock rod can slide in the lock seat due to the backward rotation of the hinge point of the backrest.
Further, the locking groove is configured as a "V" shaped groove.
Furthermore, a guide hole is formed in the lock base, and the lock rod penetrates through the guide hole.
Compared with the prior art, the invention has the following advantages:
(1) according to the automobile seat, the seat cushion is arranged on the base in a pivoting mode, the backrest lock is constructed to guide the joint point of the backrest to rotate backwards when the seat cushion rotates, so that the limitation on the pivoting angle of the seat cushion can be reduced, the folding angle of the seat cushion can be increased, and the use space in an automobile can be enlarged.
(2) The storage space is formed between the seat cushion and the automobile body, so that the using effect of the automobile seat can be improved.
(3) The power assisting part which can apply the turning assisting power is arranged, so that the turning operation of the seat cushion can be facilitated.
(4) The driving piece is driven to rotate by external unlocking force, so that the transmission end and the locking end can be indirectly driven to be disengaged to realize the unlocking operation of the seat cushion; meanwhile, the elastic piece releases energy to drive the transmission end to form locking fit with the locking end, so that the seat cushion is locked.
(5) The locking cooperation between the transmission end and the locking end is realized by the engagement of the transmission tooth group and the locking groove group, the structure is simple, and the design and implementation are convenient.
(6) The locking groove groups are arranged to be two along the circumferential interval of the pivotal shaft of the seat cushion, so that the seat cushion can be locked at two different positions, and the using effect of the automobile seat is further improved.
(7) The included angle between the two locking groove groups is set to be 75-85 degrees, so that the included angle can be adapted to the included angle of the seat cushion in the unfolding position and the folding position, and the seat cushion is locked in the unfolding position and the folding position.
(8) Through locating the locking lever slides in the lock seat, be favorable to when the seatpad rotates, realize the rotation backward of back pin joint.
(9) The locking groove is arranged into a V-shaped groove, so that the locking rod can be prevented from sliding in the locking groove, and the abnormal sound can be reduced.
(10) The guide hole can improve the smoothness of the lock rod sliding on the lock seat.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a vehicle seat according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of another state of the vehicle seat according to the embodiment of the present invention;
FIG. 3 is a schematic view of a vehicle seat according to an embodiment of the present invention with the base removed;
FIG. 4 is an enlarged view of portion I of FIG. 3;
FIG. 5 is a schematic structural diagram of an outer substrate according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a driving member according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a transmission member according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a locking member according to an embodiment of the present invention;
FIG. 9 is a view showing the state in which the transmission tooth group is engaged with the first lock groove group;
FIG. 10 is a view showing the state in which the transmission tooth group is disengaged from the first lock groove group;
FIG. 11 is a view of the drive tooth set engaged with the second lock slot set;
fig. 12 is a schematic view illustrating a connection structure between the lock body and the lock base according to the embodiment of the present invention;
FIG. 13 is a schematic view of the lock rod and the lock base in an assembled state according to the embodiment of the present invention;
FIG. 14 is an exploded view of FIG. 13;
FIG. 15 is a schematic view of a lock lever according to an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a lock body according to a first embodiment of the invention;
fig. 17 is a schematic structural view of the lock body according to the embodiment of the present invention with one of the lock plates removed;
description of reference numerals:
1-seat cushion, 2-base;
3-seat cushion lock;
31-an inner substrate;
32-driving piece, 3201-through hole, 3202-clamping groove and 3203-hanging groove;
33-driving part, 3301-through hole, 3302-groove, 3303-block, 3304-driving tooth group;
34-locking piece, 3401-fixing hole, 3402-sleeving hole and 3403-locking groove group;
35-unlocking handle, 36-pull belt and 37-tension spring;
38-outer substrate, 3801-first connection hole, 3802-drive piece mounting hole, 3803-second connection hole, 3804-drive piece mounting hole;
39-a drawstring holder;
4-a backrest;
5-a back lock;
51-lock seat, 5101-mounting plate, 5102-side plate and 5103-guide hole;
52-lock body, 5201-lock plate, 52011-lock slot, 52012-slide slot, 52013-first mounting hole, 52014-second mounting hole, 5202-lock hook, 5203-lock pin, 5204-stop hook, 5205-first torsion spring, 5206-second torsion spring, 5207-third torsion spring, 5208-inhaul cable;
53-lock lever, 5301-body, 5302-flange, 5303-shoulder;
54-bush, 55-plastic sleeve, 56-spacer, 57-lining.
Detailed Description
It should be noted that 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 embodiments with reference to the attached drawings.
The present invention relates to a car seat, and more particularly to a car seat, which is mounted on a car body and includes a base, a seat cushion and a backrest. The base is fixed on the vehicle body, the seat cushion is pivoted on the base, and a seat cushion lock which can lock the seat cushion at least at an unfolding position or a folding position is constructed between the seat cushion and the base. One end of the backrest is hinged with the seat cushion, the other end of the backrest is connected with the vehicle body through a backrest lock, and meanwhile, when the seat cushion is turned over, the backrest lock can guide the hinge point of the backrest to rotate backwards, so that the limitation on the turning angle of the seat cushion is reduced. Therefore, the folding angle of the seat cushion can be increased, and the use space in the vehicle is further increased.
Based on the above description of the overall structure, an exemplary structure of the car seat of the present embodiment is shown in fig. 1 and 2, in this embodiment, first, in order to further increase the usage space in the car, the seat cushion 1 is suspended in the car so that a storage space can be formed between the seat cushion 1 and the car body when the seat cushion is locked at the unfolded position. In addition, in order to facilitate folding of the seat cushion 1, a power assist portion that is retractable and applies a folding assist force is connected between the base 2 and the pivotal end of the seat cushion 1. For the convenience of design and installation, the power assisting part of the present embodiment preferably adopts a gas spring. Of course, the booster portion may be an air cylinder, a linear motor, or the like, instead of the air spring.
Specifically, in order to improve the fixing effect, the two bases 2 of the present embodiment are provided to face each other on both sides of the seat cushion 1. Based on this structure, the both ends of the pivotal axis of seatpad 1 rotate respectively and locate on two bases 2, and seatpad 1 specifically realizes the solid connection with seatpad 1 pivotal axis via seatpad 1 curb plate to make seatpad 1 can rotate along with the pivotal axis.
The seat cushion lock 3 of the present embodiment is structured as shown in fig. 3 and 4, and includes a base plate, a driving member 32, a locking member 34, a transmission member 33, and an elastic member. Wherein, the base plate is fixedly arranged on the pivotal axis of the seat cushion 1 and can rotate along with the seat cushion 1; the driving member 32 is pivotally disposed on the substrate, and the driving member 32 is configured with a driving end extending outward along the radial direction of the pivot shaft to push against the driving member 33; the locking member 34 is fixed on the base 2, and a locking end sleeved on the pivot shaft is formed on the locking member 34.
The transmission piece 33 is positioned between the driving piece 32 and the locking piece 34 and can be arranged on the substrate in a swinging way, and a transmission end which can be locked and matched with the locking end is formed on the transmission piece 33; the elastic element is connected between the substrate and the driving element 32, and when the driving element 32 is pushed by the driving end to the driving element 33 to rotate due to bearing external unlocking force, the elastic element stores energy due to the fact that the driving end is far away from the locking end; when the transmission member 33 rotates along with the seat cushion 1 to form a position correspondence between the transmission end and the locking end, the elastic member can release energy to drive the driving end to push the transmission member 33 to rotate reversely, so that the transmission end and the locking end are locked, and the position of the seat cushion 1 is locked.
In this embodiment, in order to facilitate the manufacturing, the base plate is specifically fixedly connected to the side plate of the seat cushion 1, so that the base plate is indirectly rotated along with the seat cushion 1. In addition, in order to prevent the locking member 34 and the transmission member 33 from moving laterally, the base plate of the embodiment specifically includes an inner base plate 31 and an outer base plate 38 that are sandwiched between the locking member 34 and the transmission member 33, and both the inner base plate 31 and the outer base plate 38 are fixedly connected to the side plates of the seat cushion 1.
Specifically, as shown in fig. 5, in order to fix the outer base plate 38 to the side plate of the seat cushion 1, a connecting body bent toward the side plate of the seat cushion 1 is formed at one end of the outer base plate 38, and a first connecting hole 3801 for connecting with the side plate of the seat cushion 1 is formed in the connecting body. In addition, based on the state shown in fig. 5, a driving member mounting hole 3804, a driving member mounting hole 3802 and a second connecting hole 3803 for connecting with the inner substrate 31 and the locking member 34 are formed on the outer substrate 38 in the order from left to right. Based on the motion relationship among the driving member 32, the driving member 33 and the locking member 34, the driving member mounting holes 3804, the driving member mounting holes 3802 and the second connecting holes 3803 of the present embodiment are substantially triangular.
The structure of the inner substrate 31 of the present embodiment is similar to that of the outer substrate 38, and mounting holes for mounting the driving member 32 and the transmission member 33, and third connecting holes for connecting with the outer substrate 38 and the locking members 34 are also formed in the inner substrate 31. Further, a fixing hole 3401 for fixing one end of a tension spring 37 described below is formed in the inner base plate 31. Further, in order to improve the use effect, the second connecting hole 3803 and the third connecting hole of the present embodiment are arranged coaxially with the pivot shaft of the seat cushion 1 described above.
The driving member 32 is formed with a through hole 3201 for passing the rotation shaft to form a pivotal arrangement with the inner substrate 31 and the outer substrate 38, as shown in fig. 6. Based on the state shown in fig. 6, the driving end is specifically formed at the left end of the driving member 32. In addition, in order to improve the use effect, a catching groove 3202 into which a catching block 3303 described below is fitted is formed at the driving end. In addition, a hook groove 3203 for hooking the other end of the tension spring 37 described below is formed at the other end of the driver 32 with respect to the driving end.
The structure of the transmission element 33 is shown in fig. 7, and a through hole 3301 is formed at one end of the transmission element 33 corresponding to the transmission element mounting hole 3802, so that a rivet can pass through the through hole to rivet the transmission element 33 with the inner substrate 31 and the outer substrate 38, and the transmission element 33 is arranged on the substrate in a swinging manner. The transmission end is formed at the other end of the transmission member 33 opposite to the through hole 3301. In this embodiment, in order to improve the pushing effect of the driving end on the transmission member 33, a groove 3302 is formed on the transmission end for the driving end to be inserted into so that the driving end can apply pushing force to the transmission end.
In addition, in order to further improve the use effect, a latch 3303 is formed on one side of the notch of the cavity 3302 away from the swing center of the transmission member 33, and the latch 3303 can be inserted into the above-mentioned latch 3202 along with the pushing of the driving end against the driving end, so that the locking stability between the driving end and the locking end can be improved, and the locking effect on the position of the seat cushion 11 can be improved. In addition, a driving tooth set 3304 having a plurality of teeth arranged at intervals is formed at the other end of the driving member 33 with respect to the cavity 3302. In order to improve the transmission effect, the number of teeth of the present embodiment is preferably three, which are arranged at intervals.
The lock member 34 of the present embodiment has a structure as shown in fig. 8, and a fixing hole 3401 for fixing to the base 2 is formed at the other end of the lock member 34 with respect to the locking end, and a fitting hole 3402 for fitting to the pivot shaft of the seat cushion 1 is formed at the locking end. Corresponding to the above-mentioned transmission tooth set 3304, a locking groove set 3403 capable of forming locking fit with the transmission tooth set 3304 is formed on the locking end. Based on the specific structure of the transmission tooth set 3304, the locking groove set 3403 of the present embodiment specifically includes three locking grooves 52011 spaced along the circumferential direction of the fitting hole 3402, that is, along the circumferential direction of the pivot shaft of the seat cushion 1, and the locking grooves 52011 can be engaged with the teeth to achieve a locking engagement between the transmission end and the locking end.
As shown in fig. 8, in order to further improve the structural functionality of the seat cushion lock 3 of the present embodiment, two sets 3403 of the same structure are formed on the locking end at intervals in the circumferential direction of the fitting hole 3402. And for convenience of the following description, the two lock groove groups 3403 are referred to as a first lock groove group 3403 and a second lock groove group 3403, respectively. Further, in order to be able to constitute locking of the position of the seat cushion 1 in the unfolded or folded state of the seat cushion 1, respectively, the angle between the first lock groove groups 3403 and the second lock groove groups 3403 of the present embodiment is 75 ° to 85 ° based on the ergonomic design. For optimal usage, the angle between the two locking groove sets 3403 of the present embodiment is preferably set to 80 °.
In order to facilitate the processing and manufacturing, the elastic member of the embodiment specifically adopts the tension spring 37, and in order to improve the use effect, the tension spring 37 is sleeved with a silencing sleeve so as to play a silencing role when the tension spring 37 stores energy. In the embodiment, in order to reduce the processing cost, the noise reduction sleeve is specifically made of a plastic pipe.
In addition, as shown in fig. 4, in order to facilitate the unlocking operation, an unlocking handle 35 is fastened to the driving member 32, and a pull tape 36 is provided at one end of the unlocking handle 35 to be outwardly disposed so as to apply an external unlocking force to the driving member 32 by pulling the pull tape 36. In addition, in order to further improve the operating comfort, a draw tape holder 39 through which the draw tape 36 passes to guide the movement of the draw tape 36 is fixedly provided on the outer base plate 38.
Based on the above overall description, and as shown in fig. 9 to 11, the following describes in detail the movement of the seat cushion 1 from the folded-out position, i.e., the engagement of the transmission tooth group 3304 with the first lock groove group 3403, to the folded-out position, i.e., the engagement of the transmission tooth group 3304 with the second lock groove group 3403:
fig. 9 shows a state diagram of the seat cushion 1 in the deployed position, fig. 10 shows a state diagram of the seat cushion 11 in the deployed position unlocked, and fig. 11 shows a state diagram of the seat cushion 11 in the folded-back position.
Based on the state shown in fig. 9, the driving member 32 can be driven to rotate counterclockwise by stretching the pull belt 36 to push the transmission member 33 to rotate clockwise, so that the transmission member 33 can be far away from the locking member 34 as shown in fig. 10, and the locking fit between the transmission member 33 and the locking member 34 is released, thereby unlocking the unfolding position of the seat cushion 1, and the tension spring 37 can store energy because the transmission member 33 is far away from the locking member 34; then, the seat cushion 1 can be operated to rotate the seat cushion 1, and when the seat cushion 1 rotates 80 ° until the transmission tooth set 3304 corresponds to the second lock groove set 3403, the tension spring 37 can be released to drive the transmission tooth set 3304 to engage with the second lock groove set 3403, so that the lock of the seat cushion 1 in the folded-back position can be realized as shown in fig. 11; when unlocking is required, the pull belt 36 is pulled again according to the above steps.
Referring to fig. 1, 2 and 12, the backrest lock 5 mainly includes a lock seat 51 and a lock body 52, wherein the lock seat 51 is fixed on the vehicle body, and a lock rod 53 slidably disposed is configured on the lock seat 51; the lock body 52 is fixed on the backrest 4, the lock body 52 is provided with a lock slot 52011 for the lock rod 53 to be inserted, and a locking unit for forming the lock of the lock rod 53 in the lock slot 52011 due to the insertion of the lock rod 53 into the lock slot 52011; in the locked state of the lock lever 53, when the backrest 4 follows the seat cushion 1 and the hinge point moves backward, the lock lever 53 can slide in the lock seat 51.
Specifically, the bottom end of the backrest 4 is hinged to the right end of the seat cushion 1, and the hinge shaft of the backrest 4 is arranged parallel to the pivot axis of the seat. The specific structure of the lock base 51 of the present embodiment is shown in fig. 13 and 14, and in order to improve the structural strength, the lock base 51 is integrally configured into a "U" shaped structure, and specifically includes a mounting plate 5101, and a side plate 5102 folded from both edges of the mounting plate 5101 to the same side.
To fix the lock holder 51 to the vehicle body, two mounting holes are formed in the mounting plate 5101 at both ends thereof. In order to improve the smoothness of sliding of lock lever 53 on lock holder 51, side plate 5102 is provided with guide hole 5103 for guiding sliding of lock lever 53. In order to further improve the use effect, in this embodiment, the two side plates 5102 are provided with guide holes 5103. Further, the guide hole 5103 of the present embodiment is specifically configured as a linear hole based on the movement of the seat cushion 1 and the backrest 4 so that the lock lever 53 slides linearly with respect to the lock holder 51.
The lock lever 53 of the present embodiment is configured as shown in fig. 15, and includes a rod-shaped main body 5301, a flange 5302 protruding from one end of the main body 5301 in a radial direction thereof, and a retaining shoulder 5303 provided at the other end of the main body 5301, wherein a threaded hole penetrating through the main body 5301 is formed in the retaining shoulder 5303. In this arrangement, the lock lever 53 can be mounted on the lock holder 51 by inserting the stopper shoulder 5303 and the main body 5301 through the two guide holes 5103203 in this order, screwing the stopper shoulder 5303 and the main body 5301 into the screw hole with a fastener such as a bolt, and bringing the bolt and the flange 5302 into contact with the lock holder 51. Referring to fig. 13 and 14, in this embodiment, in order to prevent the lock base 51 from being worn due to the lock rod 53 sliding in the guide hole 5103, a bushing 54 capable of forming a transition fit with the guide hole 5103 is sleeved on the lock rod 53 corresponding to the two guide holes 5103, that is, the bushing 54 of this embodiment is configured to be rectangular to fit with the guide hole 5103. As shown in fig. 14, a lining 57 is integrally formed at one end of the bush 54 so as to be in contact with the side plate 5102 of the key holder 51.
In this embodiment, in order to enhance the use effect, the gasket 56 is interposed between the lining 57 and the flange 5302 and the stopper 5303, and the gasket 56 is preferably made of an elastic material such as rubber. In addition, in order to improve the matching effect between the lock cylinder and the lock slot 52011, a plastic sleeve 55 clamped between the two side plates 5102 is sleeved on the main body 5301, and the lock lever 53 of the present embodiment is in transition fit with the lock slot 52011 through the plastic sleeve 55.
The lock body 523 is shown in fig. 16, and its overall structure is similar to the prior art, and mainly includes the aforementioned locking unit and a lock plate 5201 configured with the above-mentioned lock slot 52011 and fixedly connected to the backrest 4. Wherein, in order to improve the use effect, the lock plate 5201 of this embodiment specifically includes a left lock plate connected to the backrest 41 and a right lock plate fixedly connected to the left lock plate in a buckled manner. The locking unit is disposed between the left locking plate and the right locking plate. For convenience of manufacturing, the left lock plate and the right lock plate of the present embodiment have similar structures, and therefore, for convenience of description, the "left lock plate" and the "right lock plate" are collectively referred to as "lock plate 5201" hereinafter.
The lock plate 5201 of the present embodiment is structured as shown in fig. 17, and a first mounting hole 52013 and a second mounting hole 52014 are formed thereon to constitute a connection between the left and right lock plates, and the first mounting hole 52013 and the second mounting hole 52014 also constitute rotation centers of a lock hook 5202 and a stopper hook 5204, respectively, which will be described later. In addition, a sliding slot 52012, in which a lock pin 5203 described below slides, is formed between the first mounting hole 52013 and the second mounting hole 52014 in the lock plate 5201, and the sliding slot 52012 is configured as an arc-shaped slot provided around the second mounting hole 52014. In addition, in order to enhance the locking effect of the lock lever 53 in the lock slot 52011, the lock slot 52011 of the present embodiment is specifically configured as a "V" shaped slot that can form a transition fit with the plastic sleeve 55, so as to prevent the plastic sleeve 55 and the lock lever 53 from sliding in the lock slot 52011.
The locking unit of the present embodiment is configured as shown in fig. 17, and includes a locking hook 5202 pivotally provided to the lock plate 5201 with the first mounting hole 52013 as a center, a stopping hook 5204 pivotally provided to the lock plate 5201 with the second mounting hole 52014 as a center, and a locking pin 5203 and an elastic portion slidably provided in the slide groove 52012, and the locking pin 5203 is configured to be slidable on the lock plate 5201 by rotation of the stopping hook 5204. Specifically, the elastic portion includes a first torsion spring 5205 having an initial load and connected between the locking hook 5202 and the locking plate 5201, a second torsion spring 5206 connected between the stopping hook 5204 and the locking plate 5201, and a third torsion spring 5207 having one end abutting against the locking pin 5203303 and the other end connected to the locking plate 5201.
Based on the above structure and fig. 17, the stop hook 5204 of the present embodiment can receive an external force to drive the stop hook 5204 and the locking pin 5203 to rotate counterclockwise, and enable the second torsion spring 5206 and the third torsion spring 5207 to store energy, and the first torsion spring 5205 releases energy to drive the locking hook 5202 to rotate clockwise to open, so as to allow the locking pin to be inserted into the locking slot 52011; and the lock cylinder can push the lock hook 5202 to rotate counterclockwise due to the embedding into the lock slot 52011, and make the first torsion spring 5205 accumulate energy, and the second torsion spring 5206 and the third torsion spring 5207 release energy, and drive the stop hook 5204 and the lock pin 5203 to rotate reversely, so as to form the locking among the lock hook 5202, the lock pin 5203 and the stop hook 5204, and realize the locking of the lock cylinder in the lock slot 52011. In addition, in this embodiment, in order to apply an external force to the stopping hook 5204, a cable 5208 having one end extending outward is connected to the stopping hook 5204.
Based on the above overall description, when it is necessary to fold the backrest 4, the lock lever 53 can be unlocked from the lock slot 52011 by pulling the cable 5208 to rotate the stop hook 5204, thereby releasing the backrest 4 from the lock seat 51; when the backrest 4 needs to be opened, the cable 5208 is stretched again to open the lock hook 5202, so that the lock lever 53 is embedded into the lock slot 52011, and the lock lever 53 is locked in the lock slot 52011 under the cooperation of the torsion springs, that is, the backrest 4 is locked on the lock seat 51; when the seat cushion 1 is turned over, the lock rod 53 can slide in the guide hole 5103, so that the backrest 4 can rotate backwards along with the seat cushion 1, the turning space of the seat cushion 1 can be increased, and the use space of the rear row of the automobile can be increased.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a car seat installs on the automobile body, its characterized in that, this car seat includes:
the base (2) is fixedly arranged on the vehicle body;
the seat cushion (1) is pivotally arranged on the base (2), and a seat cushion lock (3) which can lock the seat cushion (1) at least at an unfolding position or a folding position is constructed between the seat cushion (1) and the base (2);
the backrest (4) is hinged with the seat cushion (1) at one end, is connected with the vehicle body at the other end through a backrest lock, and can guide a hinge point of the backrest (4) to rotate backwards when the seat cushion (1) rotates and turns over, so that the limitation on the turning-over angle of the seat cushion (1) is reduced.
2. The vehicle seat of claim 1, wherein: when the seat cushion lock (3) is locked at the unfolding position, a storage space is formed between the seat cushion (1) and the vehicle body.
3. The vehicle seat of claim 1, wherein: and a telescopic power assisting part for applying turnover assisting force to the seat cushion (1) is connected between the base (2) and the pivoting end of the seat cushion (1).
4. The vehicle seat of claim 1, wherein: the seat cushion lock includes:
the base plate is fixedly arranged on the pivot shaft of the seat cushion (1) and can rotate along with the seat cushion (1);
the driving part (32) is pivoted on the base plate, and a driving end which is outwards arranged along the radial direction of a pivoting shaft of the seat cushion (1) is constructed on the driving part (32);
the locking piece (34) is fixedly arranged on the base (2), and a locking end sleeved on a pivoting shaft of the seat cushion (1) is constructed on the locking piece (34);
a transmission piece (33) which is positioned between the driving piece (32) and the locking piece (34) and is arranged on the substrate in a swinging way, and a transmission end which can form locking fit with the locking end is constructed on the transmission piece (33);
the elastic piece is connected between the base plate and the driving piece (32), and when the driving piece (32) is pushed by the driving end to push the transmission piece (33) to rotate due to bearing external unlocking force, the elastic piece stores energy due to the fact that the driving end is far away from the locking end; and when the transmission piece (33) rotates along with the seat cushion (1) to form the position correspondence between the transmission end and the locking end, the elastic piece can release energy to drive the driving end to push the transmission piece (33) to rotate reversely, so that the transmission end and the locking end are locked, and the position of the seat cushion (1) is locked.
5. The car seat according to claim 4, characterized in that: a transmission tooth group (3304) is formed on the transmission end, and a locking groove group (3403) capable of being meshed with the transmission tooth group (3304) is formed on the locking end corresponding to the transmission tooth group (3304).
6. The vehicle seat of claim 5, wherein: the locking groove groups (3403) are two and are arranged at intervals along the circumferential direction of the pivotal shaft of the seat cushion (1).
7. The vehicle seat of claim 6, wherein: the included angle between the two locking groove groups (3403) is 75-85 degrees.
8. The automobile seat according to any one of claims 1 to 7, characterized in that: the backrest lock includes:
the lock seat (51) is fixedly arranged on the vehicle body, and a lock rod (53) which is arranged in a sliding manner is constructed on the lock seat (51);
the lock body (52) is fixedly arranged on the backrest (4), a lock groove (52011) for the lock rod (53) to be embedded into is formed on the lock body (52), and a locking unit for locking the lock rod (53) in the lock groove (52011) is formed due to the embedding of the lock rod (53) into the lock groove (52011);
under the locking state of the lock rod (53), the lock rod (53) can slide in the lock seat (51) due to the fact that the hinge point of the backrest (4) rotates backwards.
9. The vehicle seat of claim 8, wherein: the locking slot (52011) is configured as a "V" shaped slot.
10. The vehicle seat of claim 8, wherein: a guide hole (5103) is formed in the lock base (51), and the lock rod (53) penetrates through the guide hole (5103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640153.7A CN111114403B (en) | 2018-12-29 | 2018-12-29 | Automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640153.7A CN111114403B (en) | 2018-12-29 | 2018-12-29 | Automobile seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111114403A true CN111114403A (en) | 2020-05-08 |
| CN111114403B CN111114403B (en) | 2021-09-07 |
Family
ID=70495072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811640153.7A Active CN111114403B (en) | 2018-12-29 | 2018-12-29 | Automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111114403B (en) |
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| CN113232564A (en) * | 2021-06-08 | 2021-08-10 | 浙江吉利控股集团有限公司 | Locking mechanism, car seat and car |
| US20220118890A1 (en) * | 2020-10-21 | 2022-04-21 | Daechang Seat Co., Ltd-Dongtan | Folding Seat |
| CN114771368A (en) * | 2022-05-17 | 2022-07-22 | 诺博汽车***有限公司 | Seat back adjusting mechanism and seat |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111114403B (en) | 2021-09-07 |
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