CN212373211U - Semi-automatic adjusting device for vehicle seat armrest - Google Patents
Semi-automatic adjusting device for vehicle seat armrest Download PDFInfo
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- CN212373211U CN212373211U CN202021689926.3U CN202021689926U CN212373211U CN 212373211 U CN212373211 U CN 212373211U CN 202021689926 U CN202021689926 U CN 202021689926U CN 212373211 U CN212373211 U CN 212373211U
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Abstract
The utility model discloses a semi-automatic adjusting device of vehicle seat armrest, including handrail inner frame, stepless adjusting mechanism, installation bed frame and atress fixed subassembly, the rear end hub connection of handrail inner frame is on the atress fixed subassembly, stepless adjusting mechanism fixes in handrail inner frame, stepless adjusting mechanism includes adjusts bed frame and adjusts the kicking member, one side of adjusting the bed frame is provided with kicking member spout and more than one-way locking groove, the activity is provided with in the kicking member spout and adjusts the kicking member, the height of one-way locking groove rear end is higher than the front end, little back is big in the front, the activity is provided with one-way locking member in the one-way locking groove; the lower side of the one-way locking piece is contacted with the upper side of the adjusting top piece; a self-locking spring is arranged between the rear ends of the one-way locking pieces at the rear ends of the one-way locking grooves, and the stress fixing assembly comprises a fixing sleeve shaft and a blocking piece. The utility model has the advantages that: the structure is simple and reasonable, the manufacture and the installation are convenient, and no noise is generated; the relative angle can be adjusted steplessly, and the device can also be folded completely; has better practicability.
Description
Technical Field
The utility model relates to a seat armrest especially relates to a semi-automatic regulating apparatus of vehicle seat armrest angle can bear great pressure, and is stepless, noiseless, simple structure, stable function.
Background
With the development of automobile manufacturing industry, the technical requirements for the field of automobile parts are also rapidly increased. The chair armrest is also indispensable, but the height adjustment of the armrest is important for comfort.
The conventional adjusting technology for the seat armrest generally adopts the friction force generated when the clamp spring tightly holds the rotating shaft to position the armrest, and although the technology is simple, the clamp spring cannot be tightly held after being worn, so that the armrest fails; there are also ratchet type adjustment solutions, but noise is generated during adjustment.
For example, CN108778830A discloses an armrest assembly for a motor vehicle seat and CN110626238A discloses an armrest device for a motor vehicle, both of which adopt similar technical solutions, which utilize the cooperation between an adjusting element and a bracket structure based on the principle of rotation and extension of a screw rod to adjust the armrest, although the technical solutions can provide the armrest with greater bearing capacity and can also achieve stepless adjustment, the screw rod has insufficient stability during compression and too complex structure, which increases the occurrence rate of failure.
In view of this, the utility model discloses the application is tried to develop a structure, preparation, installation simple and conveniently, and the bearing capacity is big, and is safe in utilization, can realize stepless regulation, noiseless semi-automatic adjusting device of automobile-used armrest.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a semi-automatic adjusting device of vehicle seat armrest can bear great pressure, and simple structure, stable in function, infinitely variable control, noiselessness is provided.
A semi-automatic adjusting device for an armrest of a vehicle seat comprises an armrest inner frame, a stepless adjusting mechanism, an installation base frame and a stress fixing assembly, wherein the rear end of the armrest inner frame is connected to the stress fixing assembly in a shaft mode, and the stepless adjusting mechanism is fixedly installed in the armrest inner frame and is characterized in that the stepless adjusting mechanism comprises an adjusting base frame and an adjusting top piece;
the lower side of the one-way locking piece is in contact with the upper side of the adjusting top piece;
a self-locking spring hole is formed in the rear end of the one-way locking groove, a self-locking spring is arranged between the rear end of the one-way locking piece and the self-locking spring hole, the one-way locking piece is always popped out forwards by the self-locking spring, so that the one-way locking piece is clamped between the upper side of the adjusting ejector piece and the upper side of the one-way locking groove, and the adjusting ejector piece cannot retract forwards;
the stress fixing assembly comprises a fixing sleeve shaft and a blocking piece fixed on the lower side of the fixing sleeve shaft, and the rear end of the adjusting top piece abuts against the front side of the blocking piece.
The utility model discloses a further preferred scheme does: the front end of adjusting the kicking piece is provided with extension spring hole, the front side of kicking piece spout is provided with extension spring installed part, extension spring installed part with extension spring hole between be provided with and adjust extension spring, the extension power of adjusting extension spring is greater than the extension power of auto-lock spring, under the effect of no external force, the regulation kicking piece be in the effect of regulation extension spring under, can back open one-way locking piece is to its locking forward, free backward extension.
The utility model discloses a further preferred scheme does: a lower side limiting strip is arranged on the outer side of the top piece sliding groove, and a distance limiting groove is formed in the upper side of the lower side limiting strip;
the adjusting top piece and the corresponding position on the same side of the distance limiting groove are fixedly provided with a distance limiting pin, and the adjusting top piece can move forwards and backwards within the distance from the distance limiting groove.
The utility model discloses a further preferred scheme does: the outer sides of the two unidirectional locking pieces are fixedly provided with locking connecting strips, and the rear inner sides of the locking connecting strips are fixedly provided with unidirectional unlocking buckles;
a locking sliding groove is formed in the adjusting base frame corresponding to the one-way unlocking buckle, an unlocking fixing buckle is arranged at the rear end of the locking sliding groove, and the rear side of the one-way unlocking buckle and the front side of the unlocking fixing buckle are inclined planes;
an upper limiting part is fixed on the outer side of the one-way locking groove on one side of the adjusting base frame.
The utility model discloses a further preferred scheme does: the fixed unblock that is provided with of the preceding outside of adjusting the liftout pushes away the piece, the unblock push away the piece with distance between the locking connecting strip front end is less than distance spacer pin with distance between the spacing groove rear end, the regulation liftout be in the effect of regulation extension spring under, the linkage the unblock push away during the relative distance that moves backward, conflict and continue to promote the locking connecting strip and one-way locking piece remove backward, make the setting be in the locking connecting strip one-way unblock hasp is detained the rear side of the fixed knot of unblock makes one-way locking piece right the regulation liftout implement the unblock, at this moment, the regulation liftout can freely retract forward under the effect of external force.
The utility model discloses a further preferred scheme does: one side that stops with the fixed unlocking piece that is provided with of department that corresponds of locking connecting strip rear end, the anterolateral side of unlocking piece is the inclined plane, stepless adjustment mechanism front end in the adjustment process downwards, the rear end of locking connecting strip be in the effect on unlocking piece inclined plane down by outside kicking open, make one-way unblock detain and break away from the fixed restriction of detaining of unblock under the effect on auto-lock spring and inclined plane, one-way locking piece and locking connecting strip remove forward, it is right to resume the one-way card of adjusting the head-stock is died the effect.
The utility model discloses a further preferred scheme does: the outside of the lower side limiting strip is fixedly provided with a damping mounting part, the damping mounting part is provided with a damper, and a damping rack is arranged at the corresponding position of the adjusting top part and the damper and meshed with the adjusting top part and the damper.
The utility model discloses a further preferred scheme does: the front lower side of the handrail inner frame is movably provided with a manual switch, the outer sides of the two one-way locking pieces are fixedly provided with a second locking connecting strip, and a switch connecting rod is movably connected between the upper side of the manual switch and the front end of the second locking connecting strip.
The utility model discloses a further preferred scheme does: the handrail inner frame comprises connecting pieces on the left side and the right side and inner frame connecting strips for fixing the connecting pieces on the left side and the right side, and the rear ends of the connecting pieces on the left side and the right side are provided with shaft connecting holes matched with the fixed sleeve shafts;
a sleeve shaft limiting part is arranged on the fixed sleeve shaft, and a friction part is arranged between the sleeve shaft limiting part and the connecting part;
the outer of the handrail inner frame is sleeved with a handrail sleeve frame, and one side of the handrail sleeve frame is provided with a fixed sleeve shaft moving hole.
The utility model discloses a further preferred scheme does: the mounting base frame comprises a fixed square shaft, the mounting base frame is fixedly mounted on one side of the seat back, a mounting and fixing hole matched with the fixed square shaft is formed in the fixed sleeve shaft, and the fixed sleeve shaft is sleeved on the fixed square shaft.
The utility model designs a two different technical scheme, its advantage lies in: the structure is simple and reasonable, the manufacture and the installation are convenient, and no noise is generated; the relative angle can be adjusted steplessly, and can also be folded completely; when the armrest is adjusted downwards, the armrest can be adjusted at any time by a manual switch, and can also be adjusted from bottom to top after the armrest is automatically unlocked after being pulled upwards by a relative angle; has better practicability.
Drawings
FIG. 1 is a side sectional three-dimensional structure view of the armrest of the present invention;
FIG. 2 is a sectional perspective view of the armrest of the present invention;
fig. 3 is a cut-away, upwardly folded perspective view of the armrest of the present invention;
FIG. 4 is a sectional exploded perspective view of the present invention;
FIG. 5 is a partial perspective view of the front end of the armrest of the present invention when adjusted to the lowest position;
fig. 6 is a partially exploded perspective view of the present invention;
fig. 7 is an exploded perspective view of the stepless adjustment mechanism of the present invention;
fig. 8 is a top perspective view of the unlocking process of the unlocking member when the stepless adjustment mechanism of the present invention is adjusted downward;
fig. 9 is a top perspective structure view of the present invention;
fig. 10 is an exploded perspective view of the armrest and the mounting base frame and a 90-degree rotation of the armrest and the mounting base frame;
fig. 11 is a schematic view of the present invention;
fig. 12 is a schematic view of the armrest of the present invention folded upwards;
FIG. 13 is a partial perspective view of the present invention;
fig. 14 is a sectional perspective view of the stepless adjustment mechanism of the present invention;
fig. 15 is a side sectional three-dimensional structure view of the hand switch of the armrest of the present invention;
fig. 16 is an exploded perspective view of the hand switch of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the embodiments of the drawings, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, the drawings are intended to conceptually illustrate the compositions or constructions of the objects described, and may contain exaggerated displays, and are not necessarily drawn to scale. The description is intended to be illustrative, and exemplary only, and should not be construed as limiting the scope of the invention.
It should also be noted that: the terms "upper", "lower", "front", "rear", "inner", "outer", "left", "right" clockwise, counterclockwise, and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or assembly in question must have an orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention.
As shown in the figure: a is the front end, B is the back end, C is the horizontal line, E is the top, F is the bottom;
1. the handrail is characterized by comprising a handrail inner frame, 2 a stepless adjusting mechanism, 4 an installation base frame, 5 a handrail sleeve frame, 6 a manual switch and 7 a switch connecting rod;
11. inner frame connecting strips, 12, an adjusting base frame, 13, a top piece sliding groove, 14, a one-way locking groove, 15, a self-locking spring hole, 16, an extension spring hole, 17, an extension spring mounting piece, 18, an adjusting extension spring and 19, wherein the inner frame connecting strips are connected with the inner frame connecting strips;
21. the locking device comprises an adjusting top piece, 22, a one-way locking piece, 23, a locking sliding groove, 25, an unlocking fixing buckle (fixed at the rear end of the locking piece sliding groove), 26, a locking connecting strip, 27, a one-way unlocking buckle (fixed at the rear lower side of the locking connecting strip 26), 28, an upper side limiting strip and 261, a second locking connecting strip;
31. 32 lower limit strips, 33 distance limit grooves, 35 distance limit pins, 36 unlocking push pieces, 36 damping racks, 37 dampers and 38 damping mounting pieces;
41. the locking device comprises a fixed sleeve shaft, 42 parts of a blocking piece, 43 parts of an unlocking piece, 44 parts of a shaft connecting hole, 45 parts of an installation fixing hole, 46 parts of a sleeve shaft limiting piece, 47 parts of a friction piece and 48 parts of an installation fixing square shaft.
As shown in fig. 1 to 9, 14: a semi-automatic adjusting device for an armrest of a vehicle seat comprises an armrest inner frame 1, a stepless adjusting mechanism 2, a mounting base frame 4 and a stress fixing assembly, wherein the rear end of the armrest inner frame 1 is connected to the stress fixing assembly in a shaft mode, the stepless adjusting mechanism 2 is fixedly mounted in the armrest inner frame 1, the stepless adjusting mechanism 2 comprises an adjusting base frame 12 and an adjusting ejecting piece 21, an ejecting piece sliding groove 13 and more than one-way locking groove 14 are formed in one side of the adjusting base frame 12, the adjusting ejecting piece 21 is movably arranged in the ejecting piece sliding groove 13, the rear end of the one-way locking groove 14 is higher than the front end of the one-way locking groove 14 and is in a small front shape and a large rear shape, a one-way locking piece 22 is movably arranged in the one-way locking groove 14, and the front-rear length;
the lower side of the one-way locking piece 22 is contacted with the upper side of the adjusting top piece 21;
a self-locking spring hole 15 is formed in the rear end of the one-way locking groove 14, a self-locking spring 19 is arranged between the rear end of the one-way locking piece 22 and the self-locking spring hole 15, the self-locking spring 19 always ejects the one-way locking piece 22 forwards, the one-way locking piece 22 is clamped between the upper side of the adjusting top piece 21 and the upper side of the one-way locking groove 14, and the adjusting top piece 21 cannot retract forwards;
the forced fixing component comprises a fixed sleeve shaft 41 and a blocking piece 42 fixed on the lower side of the fixed sleeve shaft 41, and the rear end of the adjusting top piece 21 is abutted against the front side of the blocking piece 42.
The front end of adjusting the kicking piece 21 is provided with extension spring hole 16, and the front side of kicking piece spout 13 is provided with extension spring installed part 17, is provided with between extension spring installed part 17 and the extension spring hole 16 and adjusts extension spring 18, and the extension power of adjusting extension spring 18 is greater than the extension power of auto-lock spring 19, and under the effect of no external force, adjusting the kicking piece 21 and under the effect of adjusting extension spring 18, can push away one-way locking piece 22 to its forward locking, free backward extension.
A lower limiting strip 31 is arranged on the outer side of the top piece sliding groove 13, and a distance limiting groove 32 is arranged on the upper side of the lower limiting strip 31;
the adjusting top piece 21 is fixedly provided with a distance limiting pin 33 at the position corresponding to the same side of the distance limiting groove 32, and the adjusting top piece 21 can move forwards and backwards within the distance from the distance limiting groove 32.
The distance that adjusts ejector 21 under the restriction of distance spacing groove 32, backward extension will be greater than or equal to the distance between unblock ejector 35 and the front end of locking piece connecting strip 26 and the distance that one-way release buckle 27 detained at the fixed knot 25 rear side of unblock, promptly: when the handrail is folded upwards, the rear end of the adjusting top piece 21 is separated from the blocking piece 42, at this time, under the action of the adjusting extension spring 18, the adjusting top piece 21 and the unlocking push piece 35 gradually move backwards, and then the locking connecting bar 26 is pushed to move backwards until the one-way unlocking buckle 27 at the rear side of the locking connecting bar 26 is buckled at the rear side of the unlocking fixing buckle 25; and the one-way locking member 22 is now in an unlocked state with respect to the adjusting head member 21, as shown in fig. 8.
The outer sides of the two one-way locking pieces 22 are fixedly provided with locking connecting strips 26, and the rear inner sides of the locking connecting strips 26 are fixedly provided with one-way unlocking buckles 27;
a locking sliding chute 23 is arranged on the adjusting base frame 12 corresponding to the one-way unlocking buckle 27, an unlocking fixing buckle 25 is arranged at the rear end of the locking sliding chute 23, and the rear side of the one-way unlocking buckle 27 and the front side of the unlocking fixing buckle 25 are inclined planes;
an upper limit member 28 is fixed to the outer side of the one-way locking groove 14 on the adjusting base frame 12 side. The upper stop 28 limits the unidirectional locking member 22 from moving outward.
The front outer side of the adjusting ejector piece 21 is fixedly provided with an unlocking ejector piece 35, the distance between the unlocking ejector piece 35 and the front end of the locking connecting strip 26 is smaller than the distance between the distance limiting pin 33 and the rear end of the distance limiting groove 32, the adjusting ejector piece 21 is under the action of the adjusting extension spring 18, when the linkage unlocking ejector piece 35 moves backwards relative distance, the locking connecting strip 26 and the one-way locking piece 22 are abutted and continuously pushed to move backwards, the one-way unlocking buckle 27 arranged in the locking connecting strip 26 is buckled at the rear side of the unlocking fixing buckle 25, the one-way locking piece 22 is enabled to unlock the adjusting ejector piece 21, and at the moment, the adjusting ejector piece 21 can freely retract forwards under the action of external force.
As shown in fig. 1 to 5, 8, 13: one side of the blocking piece 42 is fixedly provided with an unlocking piece 43 corresponding to the rear end of the locking connecting strip 26, the front outer side of the unlocking piece 43 is an inclined plane, the front end of the stepless adjusting mechanism 2 is downwards adjusted, the rear end of the locking connecting strip 26 is pushed open outwards under the action of the inclined plane after contacting the inclined plane of the unlocking piece 43, so that the one-way unlocking piece 27 is separated from the limitation of the unlocking fixing buckle 25, and under the action of the self-locking spring 19 and the inclined plane, the one-way locking piece 22 and the locking connecting strip 26 move forwards to restore the one-way locking effect on the adjusting top piece 21.
The top piece sliding groove 13 and the one-way locking groove 14 are communicated up and down, after the adjusting top piece 21 is installed in the top piece sliding groove 13, the lower side of the one-way locking piece 22 is contacted with the upper side of the adjusting top piece 21, and the height of the front end of the one-way locking piece 22 is smaller than that of the rear end of the one-way locking piece 22, is matched with the middle section of the one-way locking groove 14, and is in a plug shape; the unidirectional locking piece 22 is arranged in the unidirectional locking groove 14, opposite spaces are reserved at the front end and the rear end of the unidirectional locking piece, and when the unidirectional locking piece 22 moves forwards under the action of the self-locking spring 19, the unidirectional locking piece can brake and clamp the adjusting top piece 21 to retract forwards; i.e. the armrest can only be adjusted upwards and cannot be turned downwards.
The extension force of the self-locking spring 19 can be small, while the extension force of the adjusting extension spring 18 can be relatively large; when the handrail inner frame 1 is connected with the fixed sleeve shaft 41, relative friction force is arranged between the handrail inner frame and the fixed sleeve shaft, namely, the handrail can be adjusted only by relative tension or pressure when being rotated by hands; therefore: the extension force of the extension spring 18 can be adjusted as long as the armrest is not automatically lifted up.
The adjusting range of the handrail is generally within 20 degrees, the extending distance of the adjusting top piece 21 only needs to be about 12 mm, and if the handrail needs to be folded up completely, the rear end of the adjusting top piece 21 leaves the blocking piece 42, as shown in fig. 3 and 12.
When the armrest is pulled up beyond a relative angle, for example, 20 degrees, the adjustment top 21 is separated from the blocking member 42, and the one-way locking member 22 is unlocked, that is, the one-way unlocking buckle 27 in the locking connecting bar 26 is buckled at the rear side of the unlocking fixing buckle 25. When the armrest presses downward for adjustment, the adjustment top 21 retracts forward while being blocked by the blocking member 42.
When the armrest is adjusted to the lowest position, the rear end of the locking connecting strip 26 is pushed outwards under the action of the inclined surface after contacting the inclined surface of the unlocking piece 43, so that the one-way unlocking buckle 27 is separated from the limitation of the unlocking fixing buckle 25, and under the action of the self-locking spring 19 and the inclined surface, the one-way locking piece 22 and the locking connecting strip 26 move forwards and automatically recover the one-way blocking effect on the adjusting jacking piece 21.
As shown in fig. 6, 7, 8, 14: the outer side of the lower limiting strip 31 is fixedly provided with a damping mounting part 38, the damping mounting part 38 is provided with a damper 37, and the position of the adjusting top part 21 corresponding to the damper 37 is provided with a damping rack 36 which is meshed with the damping rack.
The damper 37 is provided to make the adjustment top 21 more gentle when it is extended and retracted. The damper 37 is a conventional one, and the present invention is not described in more detail.
As shown in fig. 15 and 16: the front lower side of the handrail inner frame 1 is movably provided with a manual switch 6, the outer sides of the two one-way locking pieces 22 are fixedly provided with a second locking connecting strip 261, and a switch connecting rod 7 is movably connected between the upper side of the manual switch 6 and the front end of the second locking connecting strip 261.
The manual switch 6 is arranged to control the unidirectional locking of the unidirectional locking piece 22 to the adjusting top piece 21 by hand, and is L-shaped. That is, the hand presses the manual switch 6 upwards by hand at the front lower side of the armrest, the rear upper side of the manual switch 6 pushes the locking connecting bar 261 to move backwards, and then the one-way locking piece 22 is driven to move backwards, so that the adjusting ejector 21 is unlocked. The armrest can be adjusted downwards at any time by only pressing the manual switch 6 with a hand. The hand switch 6 is not needed to be pressed when the handrail is adjusted upwards or pulled up.
As shown in fig. 1, 2, 4, 9, 11, 12: the handrail inner frame 1 comprises connecting pieces at the left side and the right side and an inner frame connecting strip 11 for fixing the connecting pieces at the two sides, and the rear ends of the connecting pieces at the left side and the right side are provided with shaft connecting holes 44 which are matched with the fixed sleeve shafts 41;
a sleeve shaft limiting piece 46 is arranged on the fixed sleeve shaft 41, and a friction piece 47 is arranged between the sleeve shaft limiting piece 46 and the connecting piece;
the handrail inner frame 1 is sleeved with a handrail sleeve frame 5, and one side of the handrail sleeve frame 5 is provided with a fixed sleeve shaft moving hole.
The stressed fixed component and the installation base frame 4 are fixedly sleeved, and the handrail inner frame 1 is movably coupled with the fixed sleeve shaft 41 through the coupling holes 44 on the connecting pieces at the left side and the right side, so that the handrail inner frame 1 can adjust the high and low comfort level of the handrail by utilizing the extension and retraction of the adjusting top piece 21 in the stepless adjusting mechanism 2.
As shown in fig. 9 to 12: the installation base frame 4 comprises a fixed square shaft 48, the installation base frame 4 is fixedly installed on one side of the seat back, an installation fixing hole 45 matched with the fixed square shaft 48 is formed in the fixed sleeve shaft 41, and the fixed sleeve shaft 41 is sleeved on the fixed square shaft 48.
The friction piece 47 is arranged, so that the armrest needs relative manual tension or pressure when being adjusted up and down, the armrest is more stable when being adjusted manually, and no noise is generated when the vehicle runs.
The above is to the detailed introduction that the utility model discloses carried out, it is right to have used specific individual example in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment is only used for helping to understand the utility model discloses a core thought, to the ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also be right the utility model discloses carry out a plurality of improvements, these improvements also fall into the protection scope of the utility model claims.
Claims (10)
1. A semi-automatic adjusting device for an armrest of a vehicle seat comprises an armrest inner frame, a stepless adjusting mechanism, an installation base frame and a stress fixing assembly, wherein the rear end of the armrest inner frame is connected to the stress fixing assembly in a shaft mode, and the stepless adjusting mechanism is fixedly installed in the armrest inner frame and is characterized in that the stepless adjusting mechanism comprises an adjusting base frame and an adjusting top piece;
the lower side of the one-way locking piece is in contact with the upper side of the adjusting top piece;
a self-locking spring hole is formed in the rear end of the one-way locking groove, a self-locking spring is arranged between the rear end of the one-way locking piece and the self-locking spring hole, the one-way locking piece is always popped out forwards by the self-locking spring, so that the one-way locking piece is clamped between the upper side of the adjusting ejector piece and the upper side of the one-way locking groove, and the adjusting ejector piece cannot retract forwards;
the stress fixing assembly comprises a fixing sleeve shaft and a blocking piece fixed on the lower side of the fixing sleeve shaft, and the rear end of the adjusting top piece abuts against the front side of the blocking piece.
2. The semi-automatic adjusting device for the vehicle seat armrest according to claim 1, wherein an extension spring hole is formed at the front end of the adjusting top piece, an extension spring mounting piece is arranged at the front side of the top piece sliding groove, an adjusting extension spring is arranged between the extension spring mounting piece and the extension spring hole, the extension force of the adjusting extension spring is greater than that of the self-locking spring, and under the effect of no external force, the adjusting top piece can prop open the forward locking of the one-way locking piece to the adjusting extension spring and can freely extend backwards.
3. The semi-automatic adjusting device for the vehicle armrest according to claim 2, characterized in that a lower limiting strip is arranged on the outer side of the top piece sliding groove, and a distance limiting groove is arranged on the upper side of the lower limiting strip;
the adjusting top piece and the corresponding position on the same side of the distance limiting groove are fixedly provided with a distance limiting pin, and the adjusting top piece can move forwards and backwards within the distance from the distance limiting groove.
4. The semi-automatic adjusting device for the vehicle seat armrest as claimed in claim 3, wherein a locking connecting strip is fixedly arranged at the outer side of the two one-way locking pieces, and a one-way unlocking buckle is fixedly arranged at the rear inner side of the locking connecting strip;
a locking sliding groove is formed in the adjusting base frame corresponding to the one-way unlocking buckle, an unlocking fixing buckle is arranged at the rear end of the locking sliding groove, and the rear side of the one-way unlocking buckle and the front side of the unlocking fixing buckle are inclined planes;
an upper limiting part is fixed on the outer side of the one-way locking groove on one side of the adjusting base frame.
5. The semi-automatic adjusting device for the seat armrest for the vehicle as claimed in claim 4, wherein an unlocking pushing member is fixedly disposed at the front outer side of the adjusting ejecting member, the distance between the unlocking pushing member and the front end of the locking connecting bar is smaller than the distance between the distance limiting pin and the rear end of the distance limiting groove, the adjusting ejecting member is linked with the unlocking pushing member under the action of the adjusting extension spring, and when the unlocking pushing member moves backward by a relative distance, the adjusting ejecting member collides with the locking connecting bar and continuously pushes the locking connecting bar and the one-way locking member to move backward, so that the one-way unlocking buckle disposed in the locking connecting bar is buckled at the rear side of the unlocking fixing buckle, the one-way locking member unlocks the adjusting ejecting member, and at the same time, the adjusting ejecting member can freely retract forward under the action of an external force.
6. The semi-automatic adjusting device for the seat armrest for the vehicle as claimed in claim 5, wherein an unlocking member is fixedly disposed at a position corresponding to the rear end of the locking connecting bar on one side of the blocking member, the front outer side of the unlocking member is an inclined surface, and during the downward adjustment of the front end of the stepless adjusting mechanism, the rear end of the locking connecting bar is pushed open outwards under the action of the inclined surface of the unlocking member, so that the one-way unlocking member is disengaged from the limit of the unlocking fixing member, and under the action of the self-locking spring and the inclined surface, the one-way locking member and the locking connecting bar move forwards to restore the one-way locking action of the adjusting top member.
7. The semi-automatic adjusting device for the vehicle seat armrest as claimed in claim 3, wherein a damping mounting part is fixedly arranged at the outer side of the lower limiting strip, a damper is arranged on the damping mounting part, and a damping rack is arranged at the position of the adjusting top part corresponding to the damper and meshed with the adjusting top part.
8. The semi-automatic adjusting device for the seat armrest for the vehicle as claimed in claim 1, wherein a manual switch is movably disposed at a front lower side of the armrest inner frame, a second locking connecting bar is fixedly disposed at an outer side of the two one-way locking members, and a switch connecting rod is movably connected between an upper side of the manual switch and a front end of the second locking connecting bar.
9. The semi-automatic adjusting device for the armrest of the seat for the vehicle as claimed in claim 1, wherein the armrest inner frame comprises left and right side connecting members and an inner frame connecting bar for fixing the two side connecting members, and the rear ends of the left and right side connecting members are provided with shaft connecting holes for shaft-engaging with the fixing sleeve;
a sleeve shaft limiting part is arranged on the fixed sleeve shaft, and a friction part is arranged between the sleeve shaft limiting part and the connecting part; the outer of the handrail inner frame is sleeved with a handrail sleeve frame, and one side of the handrail sleeve frame is provided with a fixed sleeve shaft moving hole.
10. The semi-automatic adjusting device for the armrest of the seat as claimed in claim 1, wherein the mounting base comprises a fixed square shaft, the mounting base is fixedly mounted on one side of the seat back, the fixed sleeve shaft is provided with a mounting hole matching with the fixed square shaft, and the fixed sleeve is sleeved on the fixed square shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021689926.3U CN212373211U (en) | 2020-08-14 | 2020-08-14 | Semi-automatic adjusting device for vehicle seat armrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021689926.3U CN212373211U (en) | 2020-08-14 | 2020-08-14 | Semi-automatic adjusting device for vehicle seat armrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212373211U true CN212373211U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021689926.3U Active CN212373211U (en) | 2020-08-14 | 2020-08-14 | Semi-automatic adjusting device for vehicle seat armrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212373211U (en) |
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2020
- 2020-08-14 CN CN202021689926.3U patent/CN212373211U/en active Active
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