Electric unlocking device for automobile seat
By introducing an adapter bracket and connecting clip into the electric unlocking device for car seats, the problem of wire rope breakage due to buckling was solved, extending the service life of the wire rope and reducing costs.
Patent Information
- Application Number
- CN202423086620.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In existing electric unlocking devices for car seats, the steel cable may buckle or break due to the shortened distance after unlocking.
By introducing an adapter bracket into the cable mechanism, the wire rope is connected to the rotating arm. The holes on the adapter bracket are used to store excess wire rope, preventing the wire rope from buckling and increasing its service life. The cable sleeve is fixed by connecting clamps and sleeve holes, reducing the number of parts and lowering costs.
It effectively prevents the wire rope from breaking due to buckling when it is in the unlocked holding state, extends the service life of the wire rope, simplifies the structure, and reduces product costs.
Smart Images
Figure CN223520691U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile accessories, and specifically relates to an electric unlocking device for automobile seat. BACKGROUND
[0002] With the development of product structure from mechanical mechanism to electric structure, the unlocking mode of the seat lock of the automobile is also changed from the traditional mechanical handle unlocking to the present electric actuator unlocking mode. The structure of the electric actuator unlocking the seat lock of the automobile is that the steel wire rope at one end of the cable mechanism is directly connected to the output rack of the electric actuator, the middle part of the cable is combined and opened through a branch box, the steel wire rope at the other end of each cable is directly connected to a rotating arm, and the working principle is that when the seat lock needs to be unlocked, the motor in the electric actuator rotates to move the rack, thereby driving the steel wire rope to move the rotating arm connected to the steel wire rope to the output rack, and then to unlock the lock tongue. However, in the prior art, the motor in the electric actuator is reset after the seat lock is unlocked, and at this time, the seat lock is still in the unlocked state, that is, the lock tongue and the rotating arm will not be reset, which will make the distance between the output rack of the electric actuator and the rotating arm smaller than the length of the steel wire rope, causing the cable steel wire rope at the output rack of the electric actuator to be folded, resulting in the breakage of the cable steel wire rope. That is, when the seat lock of the automobile is in the unlocked state, the distance between the electric actuator end and the rotating arm becomes shorter, causing the cable steel wire rope to become relatively longer, and the one end of the cable steel wire rope is fixed to the rotating arm, and the other end is fixed to the output rack of the electric actuator. The part of the cable steel wire rope that becomes longer cannot be accommodated, causing the steel wire rope at the output rack of the electric actuator to be folded, and eventually causing the steel wire rope at the output rack to break. SUMMARY
[0003] The utility model provides an electric unlocking device for automobile seat in view of the above -mentioned problem, it is connected with the rotating arm through the adapter support to the cable mechanism's steel wire rope, avoids the problem that the steel wire rope is broken because of the folding under the seat unlocking keeping state, prolongs the service life of the steel wire rope.
[0004] The technical scheme of the utility model provides an electric unlocking device for automobile seat, including the cable mechanism, the steel wire rope of the cable mechanism is clamped in the rack of a electric actuator through a connecting clamp at one end, the other end is connected with an adapter support, the adapter support is used for the movable connection of the rotating arm of seat lock, the adapter support is equipped with cable connection part and rotating arm connection part, the mounting hole for connecting the rotating arm is provided on the rotating arm connection part, the cable connection part sets up first steel wire rope hole, the other end of the steel wire rope of the cable mechanism is fixedly connected with a stop joint after passing through the first steel wire rope hole.
[0005] Preferably, the mounting hole of the adapter support is an oval hole, and the mounting hole has an inclined angle with the horizontal plane.
[0006] Preferably, the fixed end of the rotating arm is fixed with the lock tongue of the seat lock, and the free end is provided with a T-shaped boss, the adapter support is movably fitted on the boss of the free end of the rotating arm through the mounting hole, and the adapter support and the rotating arm can relatively rotate.
[0007] Preferably, the boss of the free end of the rotating arm is oval, the long axis length of the mounting hole is greater than that of the boss of the free end of the rotating arm, and the short axis length of the mounting hole is greater than that of the boss of the free end of the rotating arm and less than the long axis length of the boss of the free end of the rotating arm.
[0008] Preferably, the connecting clamp is provided with a clamping groove, the groove wall of the clamping groove is provided with a retreat stopper, and the connecting clamp is clamped and fixed on the two sides of the shell of the electric actuator through the clamping groove.
[0009] Preferably, the connecting clamp is provided with a plurality of cable sleeve holes.
[0010] Preferably, the cable sleeve hole is provided with a second steel wire rope hole penetrating through the connecting clamp, the second steel wire rope hole is the same as the axis of the cable sleeve hole, the diameter of the second steel wire rope hole is less than that of the cable sleeve hole, one end of the steel wire rope of the cable mechanism respectively penetrates through the second steel wire rope hole and is connected with a retreat stopper, and the retreat stopper is clamped on the rack of the electric actuator.
[0011] Preferably, the cable mechanism comprises at least two.
[0012] Preferably, the retreat stopper is spherical.
[0013] The utility model discloses the advantages are:
[0014] 1. The utility model discloses the adapter support is additionally arranged, when the automobile seat is in the unlocking and keeping state, the cable mechanism is in the opposite automobile seat in the locking state in the one end of the adapter support, and the steel wire rope that the cable mechanism is more than one section can be stored straight through the first cable hole on the adapter support, avoids the cable steel wire rope at the electric actuator end and does not have the length space of extra length to store it because of the distance shortening, prevents the steel wire rope of this section and breaks down with the problem of the problem of crevasse, increases the service life of steel wire rope.
[0015] 2. The utility model discloses the connecting clamp is provided with the cable sleeve hole, and the sleeve of the cable mechanism is fixed and limited through the cable sleeve hole, replaces the mode that a plurality of sleeve caps are respectively fixed and limited to each cable sleeve, and the structure is simple, reduces the number of parts, and reduces product cost. ACCURACY OF DRAWINGS
[0016] Figure 1 It is a structure schematic view of the electric actuator connected by the utility model;
[0017] Figure 2 A schematic diagram of the switching support structure of the utility model;
[0018] Figure 3 A schematic diagram of the structure of the rotating arm and the inhaul cable steel wire rope connection of the utility model;
[0019] Figure 4 A first schematic diagram of the connecting clamp of the utility model;
[0020] Figure 5 A second schematic diagram of the connecting clamp of the utility model;
[0021] Figure 6 A schematic diagram of the mechanism of the rotating arm. DETAILED DESCRIPTION
[0022] Referring to Figures 1 to 5The utility model provides an automobile seat electric unlocking device, including the wire rope 5 of cable mechanism, the wire rope 5 one end passes through a connecting card piece 2 and is clamped on the rack of an electric actuator 1, and the other end is connected with a relay support 4, and the relay support 4 is used for the movable connection of the rotating arm 7 of seat lock, and the relay support 4 is equipped with cable connecting portion 42 and rotating arm connecting portion 41, and the rotating arm connecting portion is provided with the mounting hole 411 for connecting the rotating arm, and the mounting hole 411 of the relay support 4 is oval, and the mounting hole 411 has the oblique angle with horizontal plane, and the oblique angle of the mounting hole 411 with horizontal plane is 30 DEG in the utility model, is convenient for assembling, guarantees that the relay support 4 does not come off in the use process. The fixed end of the rotating arm 7 is fixed with the lock tongue of seat lock, and the free end is equipped with the boss 71 of T-shaped section, the platform of the boss 71 of the free end of the rotating arm 7 is oval, the long axis length of the mounting hole 411 is greater than the long axis length of the boss 71 of the free end of the rotating arm 7, the short axis length of the mounting hole 411 is greater than the short axis length of the boss 71 of the free end of the rotating arm 7, and is less than the long axis length of the boss 71 of the free end of the rotating arm 7. When installing, the boss 71 of the free end of the rotating arm 7 is rotated 90 DEG after being sleeved into the mounting hole 411 of the relay support 4, and the short axis of the mounting hole 411 is less than the length of the boss 71, so that the relay support 4 is guaranteed not to come off. The relay support 4 is movably fitted on the boss 71 of the free end of the rotating arm 7 through the mounting hole 411, so that the relay support 4 and the rotating arm 7 can relatively rotate, and therefore when the rotating arm 7 rotates, the relay support 4 will not have the vertical displacement, that is, the relay support 4 will only move straight along the direction of the cable wire rope, and will not form the included angle due to the rotation of the rotating arm 7, to cause the interference between the wire rope and the first wire rope hole 422. The cable connecting portion 42 is provided with the first wire rope hole 422, and the other end of the wire rope 5 of the cable mechanism is fixedly connected with a stop adapter 6 after passing through the first wire rope hole 422. The stop adapter 6 is spherical, the spherical stop adapter 6 has the adjusting effect, can always keep the axial line and the center line of the first wire rope hole 422 on the same straight line, so that the wire rope 5 can be pulled straight, and the cable mechanism includes at least two, and the two cable mechanisms correspond to two seat locks. The connecting card piece 2 is provided with a clamping groove 21, the groove wall of the clamping groove 21 is provided with a stop card, and the connecting card piece 2 is clamped and fixed on the both sides of the shell of the electric actuator 1 through the clamping groove 21. The connecting card piece 2 is provided with a plurality of cable sleeve holes 22, one end of the sleeve of each cable mechanism is fixed through the cable sleeve hole 22, instead of fixing and limiting each cable sleeve by a plurality of sleeve caps, so that the number of parts is reduced, and the product cost is reduced. The other end of the sleeve of each cable mechanism still fixes and limits each cable sleeve by a sleeve cap.The second steel wire rope hole 23 is provided with a second steel wire rope hole 23 penetrating the connecting clamping piece 2, the second steel wire rope hole 23 is same with the axis of the cable sleeve hole 22, the diameter of the second steel wire rope hole 23 is smaller than the diameter of the cable sleeve hole 22, one end of the steel wire rope 5 of the cable mechanism respectively passes through the second steel wire rope hole 23 and is connected with a stopper, the stopper is clamped on the rack of the electric actuator 1, so that the steel wire rope 5 can move with the rack when the rack moves.
[0023] The working process of the utility model is that when the seat lock of the automobile is unlocked, the motor of the electric actuator drives the rack to retreat, the steel wire ropes of the two cables move with the rack, thereby driving the adapter support to move to the direction of the steel wire rope, the adapter support drives the rotating arm to rotate, the rotating arm drives the lock tongue to unlock, after the seat lock of the automobile is unlocked, the driver can adjust the automobile seat, but during the process that the driver adjusts the automobile seat, the motor of the electric actuator can return, the motor returns to the original position and pushes the rack outward, thereby driving the steel wire ropes of the two cables to retreat, but at this time, the seat lock is in the unlocked state, the lock tongue is in the unlocked state, the rotating arm does not rotate, the length of the steel wire rope is more than that when the seat lock is in the locked state, the section of the steel wire rope can be absorbed and stored by the first cable hole of the adapter support, thereby avoiding the problem of breakage of the steel wire rope, when the adjustment of the automobile seat is completed, the driver locks the lock tongue, the lock tongue drives the rotating arm to rotate, thereby moving the adapter support, the steel wire rope of the cable mechanism is pulled to the slightly relaxed state, and the locking is completed.
[0024] The above only is the preferred embodiment of the utility model, and is not used for limiting the utility model, the person skilled in the art makes the change to the utility model without departing from the spirit of the utility model, and all falls into the protection scope of the utility model.
Claims
1. A power seat release device for a vehicle seat comprising a cable mechanism, characterized by: The steel wire rope (5) of the cable mechanism is clamped at one end of a connecting clamp (2) on a rack of an electric actuator (1), and is connected at the other end to an adapter bracket (4) for movably connecting a rotating arm (7) of a seat lock, the adapter bracket (4) is provided with a cable connecting part (42) and a rotating arm connecting part (41), the rotating arm connecting part is provided with a mounting hole (411) for connecting the rotating arm, the cable connecting part (42) is provided with a first steel wire rope hole (422), and the other end of the steel wire rope (5) of the cable mechanism is fixedly connected to a stop connector (6) after passing through the first steel wire rope hole (422).
2. The electric unlocking device for a car seat according to claim 1, wherein: The mounting hole (411) of the adapter bracket (4) is an oval hole, and the mounting hole (411) has an inclined angle with the horizontal plane.
3. The electric unlocking device for a car seat according to claim 1, wherein: The fixed end of the rotating arm (7) is fixed with a lock tongue of the seat lock, and the free end is provided with a T-shaped boss (71), the adapter bracket (4) is movably fitted on the boss (71) of the free end of the rotating arm (7) through the mounting hole (411), so that the adapter bracket (4) and the rotating arm (7) can relatively rotate.
4. The electric unlocking device for a car seat according to claim 3, wherein: The boss (71) of the free end of the rotating arm (7) is oval, the long axis length of the mounting hole (411) is greater than the long axis length of the boss (71) of the free end of the rotating arm (7), the short axis length of the mounting hole (411) is greater than the short axis length of the boss (71) of the free end of the rotating arm (7), and less than the long axis length of the boss (71) of the free end of the rotating arm (7).
5. The electric unlocking device for a car seat according to claim 1, wherein: The connecting clamp (2) is provided with a clamping groove (21), and the groove wall of the clamping groove (21) is provided with a stop clamp, the connecting clamp (2) is clamped and fixed on both sides of the housing of the electric actuator (1) through the clamping groove (21).
6. The electric unlocking device for a car seat according to claim 1, wherein: The connecting clamp (2) is provided with a plurality of cable sleeve holes (22).
7. The electric unlocking device for a car seat according to claim 6, wherein: The second steel wire rope hole (23) is provided in the cable sleeve hole (22) and penetrates the connecting clamp (2), the second steel wire rope hole (23) is the same as the axis of the cable sleeve hole (22), the diameter of the second steel wire rope hole (23) is smaller than the diameter of the cable sleeve hole (22), and the one end of the steel wire rope (5) of the cable mechanism is connected to the stop connector after passing through the second steel wire rope hole (23), and the stop connector is clamped on the rack of the electric actuator (1).
8. The electric unlocking device for a car seat according to claim 1, wherein: The cable mechanism comprises at least two.
9. The electric unlocking device for a car seat according to claim 1, wherein: The stop connector (6) is spherical.