CN208947163U - Button or the headrest features of drawstring control overturning can be passed through - Google Patents
Button or the headrest features of drawstring control overturning can be passed through Download PDFInfo
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- CN208947163U CN208947163U CN201820750053.9U CN201820750053U CN208947163U CN 208947163 U CN208947163 U CN 208947163U CN 201820750053 U CN201820750053 U CN 201820750053U CN 208947163 U CN208947163 U CN 208947163U
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- frame body
- mounting base
- pull rod
- drawstring
- limit
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Abstract
It is a kind of to pass through button or the headrest features of drawstring control overturning, the pillow bar of seat tops is fixed on including energy dismountable type, it can be relative to the frame body of pillow bar rotation, frame body is arranged in the top cross bar at the top of pillow bar, the mounting base for placing and capable of being overturn together with frame body for top cross bar is provided in frame body lower part, limit chuck is fixed in the top cross bar being located in mounting base, it is provided in mounting base and is able to maintain the turnover mechanism that mounting base downwardly turns under no external force, being provided in mounting base can mutually buckle with limit chuck and position and can be detached from by drawstring or button after mounting base positioning the position-limit mechanism for being positioned such that mounting base overturning, drawstring extends the outside of headrest through pillow bar inner cavity, and the button end of button is located on the side of frame body.The advantage is that: turnover mechanism can be such that frame body downwardly turns over, both be quick on the draw using the structure for pulling drawstring or push button, and it is easy to operate and very laborsaving, effectively extend the service life of headrest.
Description
Technical field
The utility model relates to a kind of automotive headrest manufacture technology fields, especially a kind of to be controlled by button or drawstring
The headrest features of overturning.
Background technique
Application No. is the Chinese invention of CN201710605354.2 entitled " rope draws button automotive headrest " is special for existing one kind
Benefit application discloses a kind of rope drawing button automotive headrest, including pillow bar, can rest the head on bar relative to the frame body of pillow bar rotation, frame body setting
In the top cross bar at top, limited block is provided in the inner cavity of frame body, limited block is mutually fixed with top cross bar, covered in top cross bar
It is equipped with the reply torsional spring for keeping frame body to rotate forward, the one end for replying torsional spring is connected with limited block, replys the other end of torsional spring
It contacts on the side wall of frame body, the limiting section that can mutually buckle with limited block is provided in the inner cavity of frame body, is provided with energy on frame body
It protrudes into the drawstring through-hole of drawstring and the button pass through hole of button can be protruded into, one end of drawstring is connected with limiting section, the button
End is mutually contacted with limiting section, and when drawstring pulls limiting section or button to contact limiting section, limiting section is separated with limited block, frame
Body opposite crests cross bar rotates forward.As long as making limiting section and limited block point the advantage is that: pulling drawstring or push button
From, replying torsional spring can be such that frame body rotates forward, be quick on the draw, and it is easy to operate, it is very laborsaving.However, the frame of the automotive headrest
Body needs to design mounting recess of different shapes and protrusion, and processing is inconvenient, and needs integral replacing after frame body damage, produces
Higher cost, therefore the structure of the automotive headrest also needs to be further improved.
Summary of the invention
Technical problem to be solved in the utility model be for above-mentioned state of the art and provide it is a kind of can by by
Button or the headrest features of drawstring control overturning, this headrest features are able to achieve through button or drawstring the overturning for controlling headrest, have
There is headrest turning operation convenient, the advantages of using effect is good, and structure is hardly damaged in frame body, long service life.
Technical solution adopted by the utility model to solve the above technical problems is as follows: instinct is turned over by button or drawstring control
The headrest features turned are fixed on the pillow bar of seat tops including energy dismountable type, can set relative to the frame body of pillow bar rotation, the frame body
It sets in the top cross bar at the top of pillow bar, it is characterised in that: be provided with and placed for top cross bar and can be with frame in frame body lower part
The mounting base that body is overturn together is fixed with limit chuck in the top cross bar being located in mounting base, is arranged in the mounting base
Whether there is or not the turnover mechanism for being able to maintain mounting base under external force and downwardly turning over, being provided in mounting base can mutually block with limit chuck
It detains and positions and can be detached from by drawstring or button after mounting base positioning the position-limit mechanism that be positioned such that mounting base is overturn, institute
The outside that drawstring extends headrest through pillow bar inner cavity is stated, and the button end of the button is located on the side of frame body.
As an improvement, mounting base inner cavity is arranged in being preferably able to rotate in the middle part of the first pull rod of the position-limit mechanism
In, the end of the button is protruded into mounting base inner cavity and is mutually contacted with the lower end of the first pull rod, the upper end of first pull rod
It stretches out mounting base inner cavity and is connected with drawstring, the side of first pull rod can mutually be buckled with position-limit mechanism with limit chuck
Limited block be connected, when pulling drawstring or when push button, the first pull rod rotation and make limited block and limit chuck phase
It is detached from, downwardly turns over mounting base under turnover mechanism effect.
As an improvement, the inner cavity top of the frame body, which is preferably provided with, to contact block, the top relative to frame body rotation
One end of contact block contacts on the top of the first pull rod, and the other end for contacting block is connected with the drawstring for protruding into frame body inner cavity,
The block one end that contacts connecting with drawstring also passes through reset tension spring and is connected with frame body inner wall, when drawstring pulling contacts block, contacts
Block pushes the rotation of the first pull rod, and limited block is made to be separated with limit chuck, when unclamping drawstring, contacts block by reset tension spring
It acts on and resets.
As an improvement, the frame body is preferably the overall structure involuted by front frame body and back frame body, the side arm
The bottom of body and the lower part of back frame body are respectively arranged with front frame body notch and back frame body notch, the front frame body notch and back frame body
Notch is combined to form through-hole, and frame body is stretched out from through-hole in the lower part of the pillow bar, and being provided on the inner wall of back frame body can opposite frame
The rotating wheel of body rotation, is provided with limiting groove in the middle part of the rotating wheel, the drawstring protruded into from through-hole is contacted in limiting groove
Above and after rotating wheel deflecting it is connected with the end for contacting block.
As an improvement, being preferably provided with positioning through hole on the side wall of the mounting base, the side wall of the limit chuck is set
It is equipped with the first stopper protrusion and the second stopper protrusion, when mounting base opposite crests cross bar rotates down, the positioning through hole
Inner wall contacts to prevent mounting base from continuing to rotate in the first stopper protrusion, after limiting chuck reset, the positioning through hole
Inner wall contact in the second stopper protrusion to preventing mounting base from continuing to rotate.
As an improvement, the specific structure of the position-limit mechanism are as follows: the position-limit mechanism includes limited block, the first pull rod, and
Two pull rods and the resetting apparatus for making position-limit mechanism, the side of first pull rod are provided with Connection protrusion, the Connection protrusion with
One end of second pull rod, which is rotatedly connected, to be connect, and the other end of second pull rod and one end of limited block are rotatedly connected and connect, the limit
The other end of position block is arranged in the rotation axis above top cross bar in mounting base inner cavity with being able to rotate, and is connected with the second pull rod
Limited block end be provided with limited block protrusion, limit on chuck that limit chuck is provided with limited block protrusion corresponding position is recessed
Portion, when limited block protrusion is buckled in limit chuck recess portion, mounting base is in positioning states.
As an improvement, the both ends of second pull rod are preferably provided with annulus and lower annulus, the upper annulus respectively
It is movably connected and connects with the first bolt being plugged in Connection protrusion, the lower annulus and the second bolt being plugged on limited block are living
Dynamic to be connected, the central axis of the upper annulus and lower annulus is mutually perpendicular to.
As an improvement, the resetting apparatus includes the first reduction torsion spring and the second reduction torsion spring, first reduction torsion spring
It is arranged concentrically with the first pull rod, one end of first reduction torsion spring contacts on the body of rod of the first pull rod, and described first resets
The other end of torsional spring contacts on mounting base inner wall, and second reduction torsion spring is nested on the rotating shaft, and described second resets torsion
One end of spring is connected with limited block, and the other end of second reduction torsion spring contacts on mounting base inner wall.
As an improvement, the top of first pull rod is preferably provided with the first baffle that can be connected with drawstring, it is described
The lower part of first pull rod is provided with the second baffle that can mutually contact with button.
As an improvement, the turnover mechanism is preferably the reply torsional spring being nested in top cross bar, the reply torsional spring
One end with limit chuck be connected, it is described reply torsional spring the other end contact on the side wall of mounting base.
Compared with the prior art, the advantages of the utility model are: limit chuck and position-limit mechanism are arranged in mounting base,
Do not only take up small in size, design structure is reasonable, and effectively extends the service life of frame body, and frame body dismounting and change is also more
It is convenient, it applies in automotive headrest, ultralight ultra-thin, using effect is very ideal；In addition, using drawstring or push button is pulled
Structure, turnover mechanism can be such that frame body downwardly turns over, both be quick on the draw, easy to operate, and very laborsaving, and not using two kinds
Same method ensures that position-limit mechanism can be separated with limit chuck, though drawstring damage or button damage remain to normal use, and
Button and drawstring can be arranged in the both sides of frame body, such user can easily control head in the left and right side of headrest
Pillow；Since, without rotation, this headrest features can be applied on different types of automotive seat, apply after pillow bar insertion seat
Range is wide；Further more, the first pull rod is linked together with limited block by the second pull rod, mutual positional relationship is kept, even
It connects flexibly, is not easy to loosen, it is ensured that frame body can be rotated in drawstring pulling or button press.In conclusion this headrest features designs
It is ingenious, the overturning of headrest can be controlled by button but also by drawstring, headrest overturning control is simple, and overturning controls laborsaving side
Just, using effect is good, easily manufactured, and structure is hardly damaged in frame body, and long service life has a wide range of application, and is worth application.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model embodiment；
Fig. 2 is the structural exploded view in Fig. 1；
Fig. 3 is the further structural exploded view of Fig. 2；
Fig. 4 is the structural schematic diagram of undecomposed part in Fig. 3；
Fig. 5 is the perspective view being cut away after the mounting base of part in Fig. 4；
Fig. 6 is the top view of Fig. 4；
Fig. 7 is the sectional view in Fig. 6 along line A-A；
Fig. 8 is the sectional view in Fig. 6 along line B-B；
Fig. 9 is the sectional view in Fig. 8 after mounting base rotation.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figures 1 to 9, the energy of the present embodiment is by button or the headrest features of drawstring control overturning, including can take off
The formula of unloading is fixed on the pillow bar 1 of seat tops, the top at 1 top of pillow bar can be arranged in relative to the frame body that pillow bar 1 rotates, the frame body
On cross bar 11, it is provided with the mounting base 4 for placing and capable of being overturn together with frame body for top cross bar 11 in frame body lower part, is being located at
It is fixed with limit chuck 2 in top cross bar 11 in mounting base 4, is provided under no external force and is able to maintain in the mounting base 4
The turnover mechanism that mounting base 4 downwardly turns over, being provided in mounting base 4 can buckle with limit 2 phase of chuck and position and installing
The position-limit mechanism that be positioned such that the overturning of mounting base 4 can be detached from after 4 positioning of seat by drawstring 3 or button 9 again, the drawstring 3 is through resting the head on
1 inner cavity of bar and the outside for extending headrest, and the button end of the button 9 is located on the side of frame body.The position-limit mechanism
The middle part of the first pull rod 7 be arranged in being able to rotate in mounting base inner cavity, the end of the button 9 protrude into mounting base inner cavity and
It is mutually contacted with the lower end of the first pull rod 7, the upper end of first pull rod 7 stretches out mounting base inner cavity and is connected with drawstring 3, described
The side of first pull rod 7 can be connected with position-limit mechanism with the limited block 6 of limit 2 phase of chuck buckle, when pulling drawstring 3 or press
When pressing button 9, first pull rod 7 rotates and limited block 6 is made to be separated with limit chuck 2, makees mounting base 4 in turnover mechanism
It is downwardly turned under.The inner cavity top of the frame body be provided with can opposite frame body rotate contact block 15, the block 15 that contacts
One end contacts on the top of the first pull rod 7, and the other end for contacting block 15 is connected with the drawstring 3 for protruding into frame body inner cavity, with
What drawstring 3 connected, which contact 15 one end of block, also passes through reset tension spring 16 and is connected with frame body inner wall, contacts block 15 when drawstring 3 pulls
When, it contacts block 15 and pushes the rotation of the first pull rod 7, and limited block 6 is made to be separated with limit chuck 2, when unclamping drawstring 3, contact
Block 15 is acted on by reset tension spring 16 and is resetted.The frame body is the whole knot involuted by front frame body 12 and back frame body 13
Structure, the bottom of the front frame body 12 and the lower part of back frame body 13 are respectively arranged with front frame body notch and back frame body notch, before described
Frame body notch and back frame body notch are combined to form through-hole 14, and frame body is stretched out from through-hole 14 in the lower part of the pillow bar 1, in back frame body 13
Inner wall on be provided with can opposite frame body rotation rotating wheel 17, the middle part of the rotating wheel 17 be provided with limiting groove, from leading to
The drawstring 3 that hole 14 is protruded into contacts on limiting groove and is connected after 17 deflecting of rotating wheel with the end for contacting block 15.Institute
It states and is provided with positioning through hole 41 on the side wall of mounting base 4, the side wall of the limit chuck 2 is provided with 21 He of the first stopper protrusion
Second stopper protrusion 22, when 4 opposite crests cross bar 11 of mounting base rotates down, the inner wall of the positioning through hole 41 is contacted
To prevent mounting base 4 from continuing to rotate in one stopper protrusion 21, after limiting the reset of chuck 2, the inner wall of the positioning through hole 41
It contacts in the second stopper protrusion 22 to prevent mounting base 4 from continuing to rotate.
The specific structure of position-limit mechanism are as follows: the position-limit mechanism includes limited block 6, the first pull rod 7, the second pull rod 8 and is made
The resetting apparatus of position-limit mechanism, the side of first pull rod 7 are provided with Connection protrusion 71, the Connection protrusion 71 and second
One end of pull rod 8, which is rotatedly connected, to be connect, and the other end of second pull rod 8 and one end of limited block 6 are rotatedly connected and connect, the limit
The other end of block 6 is arranged in the rotation axis 10 in 11 top mounting base inner cavity of top cross bar with being able to rotate, with the second pull rod 8
The limited block end being connected is provided with limited block protrusion 61, limits and is arranged on chuck 2 with 61 corresponding position of limited block protrusion
There is limit chuck recess portion 23, when limited block protrusion 61 is buckled in limit chuck recess portion 23, mounting base 4 is in positioning states.
The both ends of second pull rod 8 are respectively arranged with annulus 81 and lower annulus 82, the upper annulus 81 be plugged on Connection protrusion
The first bolt 72 on 71, which is movably connected, to be connect, and the lower annulus 82 is movably connected with the second bolt 62 being plugged on limited block 6
It connects, the central axis of the upper annulus 81 and lower annulus 82 is mutually perpendicular to.The resetting apparatus includes 73 He of the first reduction torsion spring
Second reduction torsion spring 63, first reduction torsion spring 73 are arranged concentrically with the first pull rod 7, and the one of first reduction torsion spring 73
End contacts on the body of rod of the first pull rod 7, and the other end of first reduction torsion spring 73 contacts on mounting base inner wall, and described the
Two reduction torsion springs 63 are nested in rotation axis 10, and one end of second reduction torsion spring 63 is connected with limited block 6, and described
The other end of two reduction torsion springs 63 contacts on mounting base inner wall.The top of first pull rod 7, which is provided with, to be connected with drawstring 3
Dynamic first baffle 74, the lower part of first pull rod 7 are provided with the second baffle 75 that can be contacted with 9 phase of button.The overturning
Mechanism is the reply torsional spring 18 being nested in top cross bar 11, and described one end for replying torsional spring 18 is connected with limit chuck 2, institute
The other end for stating reply torsional spring 18 contacts on the side wall of mounting base 4.
Working principle: after push button or pulling drawstring, the first pull rod is rotated to drive second by external force
Pull rod movement, the second pull rod pull the end of limited block, and limited block is made to be separated with limit chuck, and mounting base is replying torsional spring
It is downwardly turned under effect.The top for pushing up frame body, when being rotated up mounting base, limited block is buckled again with limit chuck
It closes, mounting base positioning, frame body formation can be with the headrest features of pillow.
Claims (10)
1. a kind of can be fixed on the pillow bar of seat tops including energy dismountable type by button or the headrest features of drawstring control overturning
(1), can be relative to the frame body of pillow bar (1) rotation, the frame body setting is in the top cross bar (11) at the top of pillow bar (1), feature
It is: is provided with the mounting base (4) for placing and capable of being overturn together with frame body for top cross bar (11) in frame body lower part, is being located at
It is fixed with limit chuck (2) in top cross bar (11) in mounting base (4), is provided with no external force on the mounting base (4)
Under be able to maintain the turnover mechanism that mounting base (4) downwardly turns over, being provided in the mounting base (4) can mutually buckle with limit chuck (2)
And it positions and can be detached from by drawstring (3) or button (9) after mounting base (4) positioning and be positioned such that mounting base (4) overturning
Position-limit mechanism, the drawstring (3) extend the outside of headrest through pillow bar (1) inner cavity, and the turret terminal position of the button (9)
In on the side of frame body.
2. headrest features according to claim 1, it is characterised in that: the middle part of the first pull rod (7) of the position-limit mechanism
Be arranged in being able to rotate in mounting base inner cavity, the end of the button (9) protrude into mounting base inner cavity and with the first pull rod (7)
Lower end mutually contacts, and the upper end of first pull rod (7) stretches out mounting base inner cavity and is connected with drawstring (3), first pull rod
(7) side is connected with the limited block (6) that can mutually buckle with limit chuck (2) in position-limit mechanism, when pulling drawstring (3) or presses
When pressing button (9), first pull rod (7) rotates and limited block (6) is made to be separated with limit chuck (2), and mounting base (4) is made to exist
It is downwardly turned under turnover mechanism effect.
3. headrest features according to claim 2, it is characterised in that: the inner cavity top of the frame body is provided with can opposite frame
Body rotation contacts block (15), and described one end for contacting block (15) contacts on the top of the first pull rod (7), described to contact block (15)
The other end be connected with the drawstring (3) for protruding into frame body inner cavity, block (15) one end that contacts connecting with drawstring (3) also passes through reset
Tension spring (16) is connected with frame body inner wall, when drawstring (3), which pull, contacts block (15), contacts block (15) and pushes the first pull rod (7)
Rotation, and limited block (6) is made to be separated with limit chuck (2), when unclamping drawstring (3), block (15) is contacted by reset tension spring
(16) it acts on and resets.
4. headrest features according to claim 3, it is characterised in that: the frame body is by front frame body (12) and back frame body
(13) overall structure involuted, the bottom of the front frame body (12) and the lower part of back frame body (13) are respectively arranged with front frame body
Notch and back frame body notch, the front frame body notch and back frame body notch are combined to form through-hole (14), the lower part of pillow bar (1)
Frame body is stretched out from through-hole (14), being provided on the inner wall of back frame body (13) can be described relative to the rotating wheel (17) of frame body rotation
Rotating wheel is provided with limiting groove in the middle part of (17), and the drawstring (3) protruded into from through-hole (14) contacts on limiting groove and passes through
It is connected after rotating wheel (17) deflecting with the end for contacting block (15).
5. according to claim 1 to any headrest features in 4, it is characterised in that: set on the side wall of the mounting base (4)
It is equipped with positioning through hole (41), the side wall of limit chuck (2) is provided with the first stopper protrusion (21) and the second stopper protrusion
(22), when mounting base (4) opposite crests cross bar (11) rotates down, the inner wall of the positioning through hole (41) is contacted in the first limit
To prevent mounting base (4) from continuing to rotate on position protrusion (21), after limiting chuck (2) reset, the positioning through hole (41)
Inner wall contacts on the second stopper protrusion (22) to prevent mounting base (4) from continuing to rotate.
6. headrest features according to claim 2, it is characterised in that: the specific structure of the position-limit mechanism are as follows: the limit
Position mechanism includes limited block (6), the first pull rod (7), the second pull rod (8) and the resetting apparatus for making position-limit mechanism, and described first draws
The side of bar (7) is provided with Connection protrusion (71), and one end of the Connection protrusion (71) and the second pull rod (8), which is rotatedly connected, to be connect,
The other end of second pull rod (8) and one end of limited block (6) are rotatedly connected and connect, and the other end of the limited block (6) can turn
It is arranged in the rotation axis (10) above top cross bar (11) in mounting base inner cavity dynamicly, the limit being connected with the second pull rod (8)
Position block end is provided with limited block protrusion (61), limited with the setting of limited block protrusion (61) corresponding position in limit chuck (2)
Position chuck recess portion (23), when limited block protrusion (61) are buckled in limit chuck recess portion (23), mounting base (4) is in positioning shape
State.
7. headrest features according to claim 6, it is characterised in that: the both ends of second pull rod (8) are respectively arranged with
Upper annulus (81) and lower annulus (82), the upper annulus (81) and the first bolt (72) activity being plugged on Connection protrusion (71)
It is connected, the lower annulus (82) is movably connected with the second bolt (62) being plugged on limited block (6) to be connect, the upper annulus
(81) central axis with lower annulus (82) is mutually perpendicular to.
8. headrest features according to claim 6, it is characterised in that: the resetting apparatus includes the first reduction torsion spring (73)
With the second reduction torsion spring (63), first reduction torsion spring (73) is arranged concentrically with the first pull rod (7), first reduction torsion spring
(73) one end contacts on the body of rod of the first pull rod (7), and the other end of first reduction torsion spring (73) is contacted in mounting base
On inner wall, second reduction torsion spring (63) is nested on rotation axis (10), one end of second reduction torsion spring (63) and limit
Position block (6) is connected, and the other end of second reduction torsion spring (63) contacts on mounting base inner wall.
9. headrest features according to claim 6, it is characterised in that: being provided at the top of first pull rod (7) can be with
The first baffle (74) that drawstring (3) is connected, the lower part of first pull rod (7) are provided with can mutually contact with button (9)
Two baffles (75).
10. according to claim 1 to any headrest features in 4, it is characterised in that: the turnover mechanism is to be nested with pushing up
Reply torsional spring (18) on portion's cross bar (11), described one end for replying torsional spring (18) are connected with limit chuck (2), the reply
The other end of torsional spring (18) contacts on the side wall of mounting base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820750053.9U CN208947163U (en) | 2018-05-18 | 2018-05-18 | Button or the headrest features of drawstring control overturning can be passed through |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820750053.9U CN208947163U (en) | 2018-05-18 | 2018-05-18 | Button or the headrest features of drawstring control overturning can be passed through |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208947163U true CN208947163U (en) | 2019-06-07 |
Family
ID=66730339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820750053.9U Active CN208947163U (en) | 2018-05-18 | 2018-05-18 | Button or the headrest features of drawstring control overturning can be passed through |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208947163U (en) |
-
2018
- 2018-05-18 CN CN201820750053.9U patent/CN208947163U/en active Active
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