Seat headrest for car
Technical field
The invention belongs to technical field of automobile parts, and in particular to a kind of seat headrest for car.
Background technique
In order to increase the inside storage space of automobile, most of back seats all have the function of that fold was fallen, in order to
Expand storage space when needs.To realize the function, it is usually provided with unblock button or handle on automotive seat, then leads to
The drag-line crossed inside button or the handle control chair back realizes the unlock of seat, but the unlocking parts such as existing button, handle
Typically it is arranged on backrest, and these unlocking part structures are more single, operating handle is poor, lacks advanced
Sense, user experience need to be further improved.
Summary of the invention
In view of this, the present invention provides a kind of seat headrest for car, unlocking mechanism, unlocking mechanism structure are configured on headrest
Rationally, operating handle is good, can improve user experience for setting.
To achieve the above object, technical solution of the present invention is as follows:
A kind of seat headrest for car, including head rest pole, key are: the side of the head rest pole is fixedly installed with connection
Component has been removably installed fixing body, the open at one end of fixing body in connecting component, and has been internally provided with mounting groove, installs
It is equipped in slot with the button of its snug engagement and the first rack gear, wherein button is equipped with the in the side of the first rack gear of face
Two rack gears are engaged with intermediate gear between the first rack gear and the second rack gear, which is rotatably installed in the side wall of mounting groove
On, reduction torsion spring is additionally provided between the first rack gear and fixing body, the first rack gear connects in the side far from intermediate gear equipped with drag-line
The open end of binding structure, the fixing body is equipped with cover board in corresponding first rack gear and intermediate gear position.
Using the above structure, after the completion of entire Product Assembly, button is located at the rear side of headrest, can improve seat beauty, control
The stay cable end of Chair back processed rotation is mounted in drag-line connection structure, and Manual press button makes it in fixing body when unlock
Then slide downward drives the first rack gear in mounting groove by the meshing relation of the second rack gear, intermediate gear and the first rack gear
It moves up, therefore drag-line connection structure also moves up, to realize the control to drag-line, and then realize the rotation to the chair back
Control, after completing the chair back and falling, release button, each component can automatically reset under the action of reduction torsion spring.And it uses
Such mode of operation, operating handle is preferable, rich in feeling of high class, can effectively promote user experience.
As preferred: the connecting component has mutually perpendicular first joint face and the second joint face, wherein second connects
Location hole is distributed in junction, the side of the fixing body is equipped with the positioning column being adapted with location hole, and the bottom side of fixing body is logical
Screw is crossed to be fixed on the first joint face.Using the above structure, convenient for fixing body is fixed in connecting component.
As preferred: the fixing body and the first joint face are equipped with drag-line via hole in face drag-line connection structure position.
Using the above structure, it is easily installed the drag-line of control chair back rotation.
As preferred: the connecting component crosses hole site in corresponding drag-line and is welded with card adapter plate, and card adapter plate is equipped with drag-line
Shell blocked hole.Using the above structure, the drag-line shell for controlling chair back rotation can be fixed on the blocked hole.
As preferred: the head rest pole includes top braces section and bottom branch from top braces section end to side that bend from
Support section.It is designed in this way, it is ensured that after unlocking mechanism is mounted on headrest above, the exposed face of unlocking mechanism and the rear side of Chair back are flat
Row is conducive to beauty.
As preferred: first joint face is equipped in the position of corresponding top braces section to be extended towards top braces section
Connecting plate, and be welded in the top braces section by the connecting plate.It is designed in this way certifiable unlocking mechanism and is mounted on headrest
After upper, the exposed face of unlocking mechanism and the rear side of Chair back are parallel, are conducive to beauty.
As preferred: the connecting plate is triangular plate.
As preferred: the mounting groove includes the button slot and mechanism slot for being mutually perpendicular to arrangement, and the button is located at button
In slot, the second rack gear is outwardly protruded from the side of button, and is located in mechanism slot, and the intermediate gear and the first rack gear are located at machine
In flute.Using the above structure, reasonable structural arrangement is easily installed each components.
As preferred: the fixing body is equipped with adornment frame in corresponding button position, and the circumferential outer of adornment frame is equipped with
Flange, under non-pressed state, the button is at least partly exposed in adornment frame.Using the above structure, it is able to ascend seat
Presentation quality.
As preferred: the side protrusion with outward extension of first rack gear, drag-line connection structure include setting
Centre bore and notch on protrusion, wherein notch is vertical with the axis of centre bore and intersects.Using the above structure, Neng Gouyu
The end of drag-line matches, and is easily installed drag-line.
Compared with prior art, the beneficial effects of the present invention are:
Using seat headrest for car provided by the invention, unlocking mechanism is configured on headrest, unlocking mechanism structure setting is closed
Reason, operating handle is good, can improve user experience.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the rearview of headrest application on the seat;
Fig. 3 is the cross-sectional view when present invention is connected with drag-line;
Fig. 4 is the structural schematic diagram of connecting component;
Fig. 5 is another structural schematic diagram of connecting component;
Fig. 6 is arragement construction schematic diagram of the associated components inside fixing body;
Fig. 7 is the structural schematic diagram of fixing body;
Fig. 8 is another structural schematic diagram of fixing body;
Fig. 9 is the structural schematic diagram of button;
Figure 10 is the structural schematic diagram of adornment frame;
Figure 11 is the structural schematic diagram of the first rack gear;
Figure 12 is the structural schematic diagram of cover board;
Figure 13 is another structural schematic diagram of invention.
Specific embodiment
The invention will be further described with attached drawing with reference to embodiments.
As illustrated in fig. 1 and 2, a kind of seat headrest for car, including head rest pole A, the side of head rest pole A are fixedly installed with connection
Component 10 has been removably installed fixing body 1 in connecting component 10, and 1 interior layout of fixing body has unlocking mechanism, and unlocking mechanism is used
After the completion of control Chair back rotation, entire Product Assembly, unlocking mechanism is located at the rear side of headrest, can improve seat beauty.
As shown in Fig. 3,6 and 8, unlocking mechanism realizes that the structure of unlock and principle are as follows: the open at one end of fixing body 1,
Inside is equipped with mounting groove 1a, and mounting groove 1a is made of the button slot 1c and mechanism slot 1d for being mutually perpendicular to arrangement, can in button slot 1c
Slide up and down to and button 2 is installed, can slide up and down in mechanism slot 1d and the first rack gear 3 is installed, button 2 is in the first tooth of face
The side of item 3 is equipped with the second rack gear 2a, is engaged with intermediate gear 4 between the first rack gear 3 and the second rack gear 2a, the intermediate gear 4
It is rotatably installed on the side wall of mounting groove 1a, the first rack gear 3 is additionally provided with drag-line connection structure in the side far from intermediate gear 4
9 end of drag-line of 3a, control Chair back rotation are fixed on drag-line connection structure 3a, and Manual press button 2 makes when unlock
Then its slide downward in fixing body 1 drives the by the meshing relation of the second rack gear 2a, intermediate gear 4 and the first rack gear 3
One rack gear 3 moves up in mounting groove 1a, therefore drag-line connection structure 3a is also moved up, to realize the control to drag-line 9
System.
As shown in Fig. 1,4 and 8, hang down mutually for convenient for fixing body 1 to be fixed in connecting component 10, connecting component 10 has
Straight the first joint face 10a and the second joint face 10b, wherein location hole 10d, the installation are distributed on the second joint face 10b
The side of body 1 is equipped with the positioning column 1q being adapted with location hole 10d, and the bottom side of fixing body 1 is fixed by screws in the first connection
On the 10a of face.
As shown in figs. 3 and 11, fixing body 1 and the first joint face 10a are equipped with drawing in the position face drag-line connection structure 3a
Rope via hole 1r, drag-line 9 pass through drag-line via hole 1r and can be mounted on drag-line connection structure 3a.The connection end of drag-line 9 is usually
Normal structure, in the present embodiment, for convenience of its end to be mounted on drag-line connection structure 3a, the side of the first rack gear 3 is set
Having outwardly extending protrusion 3d, drag-line connection structure 3a includes the centre bore 3e and notch 3f being arranged on protrusion 3d,
Middle notch 3f is vertical with the axis of centre bore 3e and intersects, and such structure can be matched with the connection end of drag-line 9, thus side
Just it installs.
As shown in Figures 3 and 5, connecting component 10 is welded with card adapter plate 10c, card adapter plate 10c in the corresponding position drag-line via hole 1r
It is equipped with drag-line shell blocked hole 10e, the drag-line shell for controlling chair back rotation can be fixed on the card by drag-line shell blocked hole 10e
It connects on hole.
As shown in Fig. 4,13, head rest pole A includes top braces section 13 and bends from 13 end of top braces section to side
Bottom supporting section 11, the first joint face 10a is equipped in the position of corresponding top braces section 13 to be extended towards top braces section 13
Connecting plate 10f, and be welded in the top braces section 13 by connecting plate 10f, and connecting plate 10f is triangular plate, this
After sample design can guarantee that unlocking mechanism is mounted on headrest above, the exposed face of unlocking mechanism and the rear side of Chair back are parallel, benefit
In beauty.
As shown in Fig. 6,7 and 11, the first rack gear 3 is equipped with mount hole 3c, is equipped with mounting floor 1k and support in fixing body 1
Reduction torsion spring 7 is set on column 1p, support column 1p, the both ends of reduction torsion spring 7 are articulated in mount hole 3c and mounting floor 1k respectively
On, after completing the chair back and falling, release button 2, each component can automatically reset under the action of reduction torsion spring 7.
As shown in FIG. 8 and 9, button 2 is mounted in button slot 1c to realize, and guarantees it in button slot 1c effectively
It slides, guiding projection 2c and anticreep convex block 2d is distributed in the circumferential side wall of button 2;It is distributed on the side wall of the button slot 1c
The guide groove 1h being adapted with guiding projection 2c, the strip groove 1i being adapted with anticreep convex block 2d, wherein strip groove 1i is remote
Closed at one end from button slot 1c slot bottom, the sliding stroke of button 2 can be locked in strip groove by strip groove 1i closed at one end
In the length range of 1i, avoid falling off using middle button 2.
As shown in Figure 3 and 7, further, it can automatically reset to make button 2 after pressing, on the slot bottom of button slot 1c
It is symmetrically arranged with via hole 1g, the guide rod 2b extended towards via hole 1g is symmetrically arranged on button 2, and guide rod 2b and via hole 1g is slided
Cooperation, is set with spring 8 on the guide rod 2b, the both ends of spring 8 be connected to respectively button slot 1c slot bottom and button 2 it is interior
On bottom.
As shown in Fig. 6,8 and 11, the first rack gear 3 is mounted in mechanism slot 1d to realize, and guarantee it in mechanism slot 1d
It inside effectively slides, is symmetrically arranged on the two sides side wall of mechanism slot 1d along the molding guide groove 1j of short transverse, the first rack gear 3
Two sides are symmetrically arranged with guide pad 3b, and guide pad 3b is slidably mounted in guide groove 1j.Meanwhile the first rack gear 3 shakes in order to prevent,
The thickness of the groove width of mechanism slot 1d here and the first rack gear 3 is adapted.
As shown in figs. 1 and 10, to promote the overall appearance quality after fixing body 1 is mounted on the chair back, fixing body 1 is right
Answer the position button slot 1c that adornment frame 6 is installed, the circumferential outer of adornment frame 6 is equipped with flange 6a, described under non-pressed state
Button 2 is at least partly exposed in adornment frame 6, meanwhile, it is button 2 convenient for the user to operate, the side of adornment frame 6 is equipped with notch
6b。
For another example shown in Fig. 1,7 and 10, for convenience of adornment frame 6 to be mounted on fixing body 1, fixing body 1 is in corresponding button slot
1c end positions are equipped with the extension 1e that raises upward, and extension 1e is equipped with card hole 1f, the both ends of the adornment frame 6 be equipped with
The buckle 6c that card hole 1f is coupled.
As illustrated in FIG 8 and FIG 12, on fixing body 1, location hole 1m is distributed in fixing body 1 for convenience of by 5 spiral-lock of cover board, covers
Plate 5 is equipped with the positioning protrusion 5a extended towards location hole in corresponding position of positioning hole, and fastening hole 1n is also distributed on fixing body 1,
The side of cover board 5 is equipped with the wedge clamp 5b towards 1 internal stretch of fixing body, and wedge clamp 5b elastic buckles are mounted in fastening hole 1n
On.
As shown in figure 9, button 2 and the second rack gear 2a are integrally formed.
Finally, it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field
Member under the inspiration of the present invention, without prejudice to the purpose of the present invention and the claims, can make multiple similar tables
Show, such transformation is fallen within the scope of protection of the present invention.