CN207496520U - Unlocking mechanism of resting the head on and automotive seat - Google Patents
Unlocking mechanism of resting the head on and automotive seat Download PDFInfo
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- CN207496520U CN207496520U CN201721470058.8U CN201721470058U CN207496520U CN 207496520 U CN207496520 U CN 207496520U CN 201721470058 U CN201721470058 U CN 201721470058U CN 207496520 U CN207496520 U CN 207496520U
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- headrest
- unlocking mechanism
- head rest
- sliding slot
- rest pole
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Abstract
The utility model provides a kind of headrest unlocking mechanism and automotive seat, and the headrest unlocking mechanism includes：Sliding slot bushing is set in headrest shell, and the centre of the sliding slot bushing is formed with the horizontal concrete chute extended in left-right direction, and the left and right ends of the sliding slot bushing have the via passed through for head rest pole；Lock piece is arranged in the horizontal concrete chute, and the lock piece has the lock part with the shift slot cooperation on head rest pole；Operating parts is arranged on one end of the sliding slot bushing and is connected with the lock piece, for the lock piece to be driven to be moved left and right in the horizontal concrete chute, so that the lock part is disengaged with the shift slot；Resetting spring, for the lock piece to be driven to reset, so that the lock part is engaged with the shift slot.The structure of headrest unlocking mechanism described in the utility model is simple, and amount of parts is less, big with the use level of head rest pole, and Assembly stability is good, at low cost.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of headrest unlocking mechanism and automotive seat.
Background technology
Headrest is connect by head rest pole with seat back-rest framework, and realizes unlock/locking control by operating locking element
The adjusting of height of headrest processed rests the head on and provides occupant the effect of support, safeguard protection, and front and rear row seat is equipped with resting the head at present,
Headrest unlocking manner is broadly divided into headrest guide sleeve unlock, button unlock two ways.At present, it is unlocked by the button on headrest
For unlocking mechanism of resting the head in operation ease, seat is intricacies upper with advantage.
The sliding seat of the headrest unlocking mechanism of button unlock form of the prior art is clamped, and be clamped with slide bushing
Place's setting has elastic component to be coordinated with head rest pole, and the sliding seat, slide bushing and head rest pole after clamping are in the axis of head rest pole
Upward use level is small, contact area is small, causes Assembly stability of the head rest pole in unlocking mechanism of resting the head on poor, to head rest pole
Support reliability poor.In addition, headrest unlocking mechanism of the prior art is complicated, amount of parts is more, causes to rest the head on
Cost it is higher.Furthermore the locking element of headrest unlocking mechanism of the prior art and the lock groove cooperation position of head rest pole are
Linear type shape causes when resting the head on unlock, and the unlock stroke for unlocking mechanism of resting the head on is larger, and operation ease is poor.
Utility model content
In view of this, the utility model is directed to a kind of headrest unlocking mechanism, and the structure of the headrest unlocking mechanism is simple,
Amount of parts is less, big with the use level of head rest pole, and Assembly stability is good, at low cost.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of headrest unlocking mechanism, including：Sliding slot bushing is set in headrest shell, the intermediate shape of the sliding slot bushing
Into there is the horizontal concrete chute that extends in left-right direction, the left and right ends of the sliding slot bushing have the via passed through for head rest pole；Lock
Stop member is arranged in the horizontal concrete chute, and the lock piece has the lock part with the shift slot cooperation on head rest pole；Operation
Part is arranged on one end of the sliding slot bushing and is connected with the lock piece, for driving the lock piece in the level
It is moved left and right in sliding slot, so that the lock part is disengaged with the shift slot；Resetting spring, for the lock piece to be driven to answer
Position, so that the lock part is engaged with the shift slot.
Further, the lock piece is the steel wire substantially extended in left-right direction, on the steel wire with the via pair
It is used as the first protrusion of the lock part by being bent to form in the position answered.
Further, by being bent to form the second protrusion on the steel wire, second protrusion be located at two it is first convex
Between rising, in the same plane, second protrusion includes tilting extension for described two first protrusions and the described second protrusion
Guide section, guiding tendon is formed on the inner wall of the horizontal concrete chute, and the guiding tendon has the guiding abutted with the guide section
Inclined-plane, for the steel wire to be guided to be moved forward and backward while moving left and right.
Further, first protrusion is bent to the shape of isosceles trapezoid, and second protrusion is bent to right-angled trapezium
Shape, the guide section be right-angled trapezium bevel edge.
Further, one end of the resetting spring is connect with the inner wall of the sliding slot bushing, the other end and described second
The right-angle side connection of protrusion.
Further, multiple upper limit muscle, the downside of the horizontal concrete chute are formed on the upper side wall of the horizontal concrete chute
Multiple lower limit muscle are formed on wall, the Steelwire holding is between the upper limit muscle and the lower limit muscle.
Further, the operating parts is button, and one end of the steel wire is stretched out to connect from one end of the horizontal concrete chute
It is connected on the button.
Further, the front and rear sides at the both ends of the sliding slot bushing are respectively formed with for installation on headrest shell
Mounting recess.
Relative to the prior art, headrest unlocking mechanism described in the utility model has the advantage that：
Headrest unlocking mechanism described in the utility model realizes the cooperation of lock piece and head rest pole by sliding slot bushing, and
Head rest pole passes through the left and right ends of sliding slot bushing so that sliding slot bushing along the use level of the axial direction of head rest pole and is contacted with head rest pole
Area is larger, to provide head rest pole reliable and stable support, ensures the Assembly stability of the two.In addition, the utility model
Headrest unlocking mechanism is only made of four sliding slot bushing, lock piece, operating parts, resetting spring parts, and amount of parts is less,
And simple in structure, the assembly connection between each parts is simply, conveniently so that the exploitation and production of the headrest unlocking mechanism
Cost is relatively low, to improve product economy.
The another object of the utility model is to propose a kind of automotive seat, the knot of the headrest unlocking mechanism of the automotive seat
Structure is simple, and amount of parts is less, big with the use level of head rest pole, and Assembly stability is good, at low cost.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of automotive seat, including backrest frames, head rest pole, headrest shell and according to it is recited above headrest unlock
Mechanism, the sliding slot bushing of the headrest unlocking mechanism are fixed on the inside of the headrest shell, the behaviour of the headrest unlocking mechanism
Workpiece is arranged on the outside of the headrest shell, and the head rest pole passes through two vias on the sliding slot bushing and is fixed on institute
State backrest frames, the lock part on the lock piece of the headrest unlocking mechanism is with the shift slot cooperation on the head rest pole to limit
The position that the headrest shell is moved up and down along the head rest pole.
Further, arranged for interval has multiple shift slots along the vertical direction on the head rest pole, and the shift slot is
Substantially rectangular slot and top surface are acclivitous inclined-plane.
The automotive seat is identical relative to advantage possessed by the prior art with above-mentioned headrest unlocking mechanism, herein no longer
It repeats.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
Fig. 1 is the schematic diagram of the lockup state of the headrest unlocking mechanism described in the utility model embodiment；
Fig. 2 is the schematic diagram of the unlocked state of the headrest unlocking mechanism described in the utility model embodiment；
Fig. 3 is the side view of the lockup state of the headrest unlocking mechanism described in the utility model embodiment；
Fig. 4 is the scheme of installation of the headrest unlocking mechanism described in the utility model embodiment；
Fig. 5 is the overall schematic of the headrest described in the utility model embodiment；
Fig. 6 is the A-A sectional views of Fig. 5；
Fig. 7 is the explosive view of Fig. 5；
Fig. 8 is the overall schematic of the automotive seat described in the utility model embodiment.
Reference sign：
1- sliding slot bushings, 11- horizontal concrete chutes, 111- guiding tendons, 112- guiding surfaces, 113- upper limit muscle, 114- lower limits
Position muscle, 12- vias, 13- mounting recess, 2- lock pieces, the first protrusions of 21-, the second protrusions of 22-, 221- guide sections, 222- right angles
Side, 3- operating parts, 4- resetting springs, 5- head rest poles, 51- shift slots, 511- top surfaces, 6- headrest shells, 61- front cover shells, after 62-
Case, 63- installation protrusions, 7- snubber blocks, 8- backrests, 1000- headrest unlocking mechanisms.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can
To be combined with each other.
In addition, the up, down, left, right, before and after being previously mentioned in the embodiment of the utility model, each means running car side
Upward up, down, left, right, before and after.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figures 1 to 4, the embodiment of the utility model provides a kind of headrest unlocking mechanism, including：Sliding slot bushing 1,
It is set in headrest shell 6, the centre of sliding slot bushing 1 is formed with the horizontal concrete chute 11 extended in left-right direction, sliding slot bushing 1
Left and right ends have the via 12 passed through for head rest pole 5；Lock piece 2 is arranged in horizontal concrete chute 11, and lock piece 2 has and head
Rest the head on the lock part that the shift slot 51 on bar 5 coordinates；Operating parts 3 is arranged on one end of sliding slot bushing 1 and is connected with lock piece 2,
For lock piece 2 to be driven to be moved left and right in horizontal concrete chute 11, so that lock part is disengaged with shift slot 51, so as to sliding slot bushing 1
It can be moved up and down relative to head rest pole 5；Resetting spring 4, for lock piece 2 to be driven to reset, so that lock part and shift slot 51
Engagement, to limit upper-lower position of the sliding slot bushing 1 relative to head rest pole 5.
Headrest unlocking mechanism 1000 described in the utility model realizes matching for lock piece 2 and head rest pole 5 by sliding slot bushing 1
It closes, and head rest pole 5 passes through the via 12 of the left and right ends of sliding slot bushing 1 so that sliding slot bushing 1 and head rest pole 5 are along head rest pole 5
Axial use level and contact area it is larger, to provide head rest pole 5 reliable and stable support, the assembling both ensured is stablized
Property.In addition, the headrest unlocking mechanism 1000 of the utility model is only by sliding slot bushing 1, lock piece 2, operating parts 3, resetting spring 4 four
A parts composition, amount of parts is less, and simple in structure, and the assembly connection between each parts simply, conveniently, makes
Exploitation and the production cost for obtaining the headrest unlocking mechanism 1000 are relatively low, to improve product economy.
As shown in Figure 1 to Figure 4 and shown in Fig. 7, in order to reduce unlock stroke of the lock piece 2 in unlock, further, locking
Part 2 is the steel wire substantially extended in left-right direction, is used as locking by being bent to form with 12 corresponding position of via on steel wire
First protrusion 21 in portion, the first protrusion 21 are for two and corresponding with two vertical bars of inverted U-shaped head rest pole 5.In locking shape
Under state, the first protrusion 21 is engaged with the shift slot 51 on head rest pole 5；In the unlocked state, steel wire under the driving of operating parts 3 to
It moves right, so as to which the first protrusion 21 offsets one from another in the lateral direction with shift slot 51, to realize unlock.During unlock, it is only necessary to
The first protrusion 21 is made to be staggered and disengage with shift slot 51 so that lock piece 2 only needs to move right the distance of very little, to subtract
Stroke is unlocked less, and the operability for unlocking mechanism of resting the head on improves.
In order to further improve the operability of headrest unlocking mechanism, as shown in Figure 1 to Figure 4 and shown in Fig. 7, further, steel
By being bent to form the second protrusion 22 on silk, the second protrusion 22 is located between two the first protrusions 21, two the first protrusions 21
With the second protrusion 22 in the same plane, 22 to the first protrusion 21 of the second protrusion is forwardly convex more.Second protrusion 22 includes inclining
The guide section 221 tiltedly extended is formed with guiding tendon 111 on the inner wall of horizontal concrete chute 11, and guiding tendon 111 has and guide section 221
The guiding surface 112 of abutting, is moved forward and backward for guiding steel wire while moving left and right.During unlock, operating parts 3 drives steel wire
When moving right, due to the guiding function of guiding tendon 111, steel wire not only to right translation but also moved backward, i.e., back sweep moves to the right
It is dynamic, so that the first protrusion 21 can be disengaged quickly with shift slot 51 realizes unlock, stroke smaller is unlocked, operability is more preferable.
First protrusion 21 and the second protrusion 22 can be formed as variously-shaped, as a kind of embodiment of the utility model,
As shown in Fig. 1 and figure, further, the first protrusion 21 is bent to the shape of isosceles trapezoid, so that the first protrusion 21 and shift slot
51 bond sizes are larger (length at upper bottom), while bevel edge can guide the first protrusion 21 to disengage or engage with shift slot 51.
Second protrusion 22 is bent to the shape of right-angled trapezium, and guide section 221 is the bevel edge of right-angled trapezium, is moved with guiding steel wire to right back
It is dynamic.
As depicted in figs. 1 and 2, resetting spring 4 and lock piece 2 is resetted, further, resetted in order to facilitate the installation of
One end of spring 4 is connect with the inner wall of sliding slot bushing 1, and the other end is connect with the right-angle side 222 of the second protrusion 22 so that resets bullet
Spring 4 it is easy for installation, it is simple in structure, and steel wire easily resets to initial position.
As shown in Figure 3 and Figure 4, in order to prevent steel wire in horizontal concrete chute 11 up and down play, further, horizontal concrete chute 11
Upper side wall on be formed with multiple upper limit muscle 113, multiple lower limit muscle 114, steel are formed in the lower wall of horizontal concrete chute 11
Silk is clamped between upper limit muscle 113 and lower limit muscle 114, so as to which steel wire is between upper limit muscle 113 and lower limit muscle 114
It is translated in horizontal plane, avoids steel wire play up and down, the movement of head rest pole 5 along the vertical direction caused by preventing its play ensures head
Rest the head on positioning accuracy and reliability.
As shown in Figures 1 to 4, as a kind of embodiment of the utility model, further, operating parts 3 uses button, steel
One end of silk is stretched out from one end of horizontal concrete chute 11 to be connected on button, so as to which button press can drive steel wire to move,
It is easy to operate, appearance looks elegant.
As shown in Fig. 3 to Fig. 4 and Fig. 6 to Fig. 7, the installation for unlocking mechanism 1000 of resting the head on for convenience is further, sliding
The front and rear sides at the both ends of slot liner set 1 are respectively formed with for installation into the mounting recess 13 on headrest shell 6, accordingly, head
The installation protrusion 63 coordinated with mounting recess 13, installation protrusion are respectively formed on the pillow front cover shell 61 of shell 6 and rear casing 62
63 are connected in corresponding mounting recess 13, so that sliding slot bushing 1 is clamped between front cover shell 61 and rear casing 62, front cover shell 61
It is fastened by bolts with rear casing 62, ensures the mounting stability of sliding slot bushing 1.
In addition, as shown in figs. 4 and 7, snubber block 7 is provided between the top surface of head rest pole 5 and headrest shell 6, with buffering
Vibrations between head rest pole 5 and headrest shell 6.
As shown in Figure 7 and Figure 8, the embodiment of the utility model also provides a kind of automotive seat, including backrest frames, headrest
Bar 5, headrest shell 6 and according to it is recited above headrest unlocking mechanism 1000, rest the head on unlocking mechanism 1000 sliding slot bushing 1
The inside of headrest shell 6 is fixed on, the operating parts 3 of headrest unlocking mechanism 1000 is arranged on the outside of headrest shell 6, head rest pole 5
Across two vias 12 on sliding slot bushing 1 and backrest frames are fixed on, the locking on the lock piece 2 for unlocking mechanism 1000 of resting the head on
Portion coordinates to limit the position that headrest shell 6 is moved up and down along head rest pole 5 with the shift slot 51 on head rest pole 5.Backrest frames are set
Put in the inside of backrest 8 and be fixedly connected with head rest pole 5, in the unlocked state, headrest shell 6 with sliding slot bushing 1 together
It is moved up and down relative to head rest pole 5, in a latched condition, headrest shell 6 is with sliding slot bushing 1 together relative to 5 locking of head rest pole
In a wherein shift slot 51, with the height and position of limitation headrest, adjusted so as to fulfill the height of headrest.
As shown in fig. 6, in order to more easily adjust height of headrest, further, it is spaced cloth along the vertical direction on head rest pole 5
It is equipped with multiple shift slots 51, the lock part on lock piece 2 can be engaged selectively with one of shift slot 51, so that headrest
It is located in corresponding height.Shift slot 51 is substantially rectangular slot, is engaged and locking is reliable with the first protrusion 21 with facilitating,
It is not easy to disengage under lockup state.The top surface 511 of shift slot 51 is acclivitous inclined-plane, and the shift slot 51 of head rest pole 5 is unidirectional
Locking.When headrest moves up, lock piece 2 will not be locked in shift slot 51, can be operated by direct pull headrest,
The top surface 511 of shift slot 51 has guiding role, and headrest shell 6 is moved up with sliding slot bushing 1 relative to head rest pole 5 together；
When headrest moves down, the first protrusion 21 of lock piece 2 is locked in shift slot 51, needs to solve by lower button unlock
Lock, and then could realize that headrest is adjusted downwards.Such as Fig. 6, the shift slot 51 of bottom can not have acclivitous inclined-plane, when
When headrest is in the gear, can only be rested the head on by lower button unlocking head can just move up.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of headrest unlocking mechanism, which is characterized in that including：
Sliding slot bushing (1) is set in headrest shell (6), and the centre of the sliding slot bushing (1) is formed with to be extended in left-right direction
Horizontal concrete chute (11), the left and right ends of the sliding slot bushing (1) have the via (12) passed through for head rest pole (5)；
Lock piece (2) is arranged in the horizontal concrete chute (11), and the lock piece (2) has and the shift slot on head rest pole (5)
(51) lock part of cooperation；
Operating parts (3) is arranged on one end of the sliding slot bushing (1) and is connected with the lock piece (2), described for driving
Lock piece (2) moves left and right in the horizontal concrete chute (11), so that the lock part is disengaged with the shift slot (51)；
Resetting spring (4), for the lock piece (2) to be driven to reset, so that the lock part is engaged with the shift slot (51).
2. headrest unlocking mechanism according to claim 1, which is characterized in that the lock piece (2) is substantially along right and left
To the steel wire of extension, the lock part is used as in position corresponding with the via (12) by being bent to form on the steel wire
First raised (21).
3. headrest unlocking mechanism according to claim 2, which is characterized in that by being bent to form second on the steel wire
Raised (22), between two first raised (21), described two first protrusions are (21) and described for described second raised (22)
In the same plane, guide section (221) of described second raised (22) including tilting extension is described horizontal sliding for second raised (22)
Guiding tendon (111) is formed on the inner wall of slot (11), the guiding tendon (111) has leads with what the guide section (221) abutted
To inclined-plane (112), for the steel wire to be guided to be moved forward and backward while moving left and right.
4. headrest unlocking mechanism according to claim 3, which is characterized in that described first raised (21) are bent to isosceles ladder
The shape of shape, described second raised (22) are bent to the shape of right-angled trapezium, and the guide section (221) is oblique for right-angled trapezium
Side.
5. headrest unlocking mechanism according to claim 4, which is characterized in that one end of the resetting spring (4) with it is described
The inner wall connection of sliding slot bushing (1), the other end are connect with the right-angle side (222) of described second raised (22).
6. headrest unlocking mechanism according to claim 2, which is characterized in that shape on the upper side wall of the horizontal concrete chute (11)
Into there are multiple upper limit muscle (113), multiple lower limit muscle (114) are formed in the lower wall of the horizontal concrete chute (11), it is described
Steelwire holding is between the upper limit muscle (113) and the lower limit muscle (114).
7. headrest unlocking mechanism according to claim 2, which is characterized in that the operating parts (3) be button, the steel wire
One end stretched out from one end of the horizontal concrete chute (11) to be connected on the button.
8. headrest unlocking mechanism according to claim 1, which is characterized in that the both ends of the sliding slot bushing (1) it is front and rear
Both sides are respectively formed with for installation into the mounting recess (13) on headrest shell (6).
9. a kind of automotive seat, including backrest frames, head rest pole (5), headrest shell (6), which is characterized in that the automotive seat
It further includes according to the headrest unlocking mechanism (1000) described in any one of claim 1-8, the headrest unlocking mechanism (1000)
Sliding slot bushing (1) be fixed on it is described headrest shell (6) inside, it is described headrest unlocking mechanism (1000) operating parts (3) set
Put in the outside of the headrest shell (6), the head rest pole (5) across two vias (12) on the sliding slot bushing (1) and
It is fixed on the backrest frames, lock part and the head rest pole (5) on the lock piece (2) of the headrest unlocking mechanism (1000)
On shift slot (51) coordinate to limit the position that moves up and down along the head rest pole (5) of headrest shell (6).
10. automotive seat according to claim 9, which is characterized in that be spaced cloth along the vertical direction on the head rest pole (5)
Multiple shift slots (51) are equipped with, the shift slot (51) is the slot of rectangle and top surface (511) are acclivitous inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470058.8U CN207496520U (en) | 2017-11-06 | 2017-11-06 | Unlocking mechanism of resting the head on and automotive seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470058.8U CN207496520U (en) | 2017-11-06 | 2017-11-06 | Unlocking mechanism of resting the head on and automotive seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207496520U true CN207496520U (en) | 2018-06-15 |
Family
ID=62503681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721470058.8U Active CN207496520U (en) | 2017-11-06 | 2017-11-06 | Unlocking mechanism of resting the head on and automotive seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207496520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466392A (en) * | 2018-10-26 | 2019-03-15 | 蔚来汽车有限公司 | Automobile and its automotive seat |
| CN112585028A (en) * | 2018-08-14 | 2021-03-30 | 牛步科技有限公司 | Headrest locking device |
-
2017
- 2017-11-06 CN CN201721470058.8U patent/CN207496520U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112585028A (en) * | 2018-08-14 | 2021-03-30 | 牛步科技有限公司 | Headrest locking device |
| CN112585028B (en) * | 2018-08-14 | 2023-01-24 | 牛步科技有限公司 | Headrest locking device |
| CN109466392A (en) * | 2018-10-26 | 2019-03-15 | 蔚来汽车有限公司 | Automobile and its automotive seat |
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