CN109747494A - A kind of fixed device of the head rest height adjustment of child safety seat - Google Patents
A kind of fixed device of the head rest height adjustment of child safety seat Download PDFInfo
- Publication number
- CN109747494A CN109747494A CN201910171211.4A CN201910171211A CN109747494A CN 109747494 A CN109747494 A CN 109747494A CN 201910171211 A CN201910171211 A CN 201910171211A CN 109747494 A CN109747494 A CN 109747494A
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- gear
- head rest
- adjustment pin
- height adjustment
- fixed
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Abstract
The present invention provides a kind of fixed devices of the head rest height adjustment of child safety seat, including main casing, head rest, the first head rest positioning components, the second head rest matable assembly and the gear part being fixedly connected with main casing；First head rest positioning components include head rest drawing article, gear adjustment pin；Second head rest matable assembly includes head rest fixed plate, head rest gear adjusting fixing piece；Head rest gear fixing piece includes that gear adjusts limit body and shift finger limit plate, gear adjusts limit body and the separated state of shift finger limit plate, form horizontal cavities, gear adjustment pin makees opposite stretching motion in cavities, in the gear hole be inserted into gear part.One end when being conducive to assemble gear adjustment pin is fixed, and assembly difficulty is reduced.Gear adjusts limit body and shift finger limit plate separates and be set to gear adjustment pin both ends, forms at least four point positioning, effectively improves the stability of device, avoids the danger slid occur in sliding.
Description
Technical field
The present invention relates to child safety seat field, the head rest height adjustment for being more particularly to a kind of child safety seat is solid
Determine device.
Background technique
As child safety seat currently on the market is using more more and more universal, people are to the practical of child safety seat
Property requires also higher and higher, therefore is applicable in the big feature of age range, many child safety seats for child safety seat
The device of head rest height adjustment is both increased, so that meeting the needs of children's all ages and classes height.
The head rest height adjustment device of many child safety seats currently on the market, it is relative complex that there is regulative modes
It is hidden, also there is the part of regulating device excessive, assembly is complicated, the big problem of maintenance difficulties coefficient, and there are also many use to adjust band
Or similar adjusting rod cooperates single detent mode to carry out height adjustment, is easy after repeatedly adjusting there is height, because of mill
Damage is serious, and detent is unstable and triggers the danger of sliding surface dislocation.
In view of this, it is necessary to the head rest height adjustment device of child safety seat in the prior art is improved,
To solve the above problems.
Summary of the invention
To achieve the above object, the present invention provides a kind of fixed device of the head rest height adjustment of child safety seat, packets
Include main casing, head rest, the first head rest positioning components, the second head rest matable assembly and the gear part being fixedly connected with main casing；
The first head rest positioning components include head rest drawing article, gear adjustment pin, and the head rest drawing article slides up and down
At the head rest back side, the free end of the head rest drawing article is equipped with the guide channel and positioning groove that are arranged symmetrically for setting；
The second head rest matable assembly includes head rest fixed plate, head rest gear adjusting fixing piece, the head rest gear tune
Fixing piece is saved by being fixedly mounted on head rest fixed plate；
The first head rest positioning components are mounted on the inside of main casing, and the second head rest matable assembly is enclosed in first
The outside for holding in the palm positioning components, is slidably connected with main casing, and the gear part and the activity grafting of gear adjustment pin, the gear are adjusted
Pin is connect with the head rest drawing article by slide bolt, and the slide bolt extends into positioning groove；
The head rest gear fixing piece includes that gear adjusts limit body and shift finger limit plate, and gear adjusts limit body and shelves
The position pin separated state of limit plate, forms the cavities of horizontal receiving gear adjustment pin, and the gear adjustment pin is logical in receiving
Make opposite stretching motion in road, in the gear hole be inserted into gear part.
As a further improvement of the present invention, the gear part is formed close to the side of head rest fixed plate has several gear holes
Gear plate, the gear adjustment pin activity is inserted into gear hole.
As a further improvement of the present invention, the gear adjusting limit body is fixedly mounted on head rest by Fixed latches and consolidates
On fixed board, Fixed latches extend into guide channel.
As a further improvement of the present invention, the shift finger limit plate is symmetrically arranged on the head rest close to gear part side
In fixed plate.
As a further improvement of the present invention, the gear adjustment pin is equipped with to enclose and be installed on the outside of gear adjustment pin
Screen body.
As a further improvement of the present invention, the shift finger limit plate is equipped with U-shaped opening slot, and gear adjustment pin is horizontal
It is disposed adjacent on the U-shaped opening slot of gear hole one end.
As a further improvement of the present invention, the gear adjusts limit body and is equipped with U-type groove road, and gear adjustment pin is horizontal
Gear is disposed adjacent to adjust on the U-type groove road of limit body one end.
As a further improvement of the present invention, the distance that the gear adjustment pin makees out movement in cavities is greater than
The distance between shift finger limit plate and gear plate forward surface.
As a further improvement of the present invention, the head rest fixed plate adjusts the side integral type shape of limit body towards gear
At fin, the shift finger limit plate is fastened on fin.
As a further improvement of the present invention, the gear adjusts limit body and is fixedly mounted on the fin by screw.
As a further improvement of the present invention, the gear adjusts projection in cavities formed in limit body and is formed
Barriers.
Compared with prior art, the beneficial effects of the present invention are: the improved head rest height for child safety seat
Fixed device is adjusted, structurally reasonable, it is convenient to assemble, and the harmony between components is strong, and height adjustment is convenient and stability is strong.
Detailed description of the invention
Fig. 1 is structural exploded view of the fixed device of height adjustment of the present invention on children's seat；
Figure 1A is the structural schematic diagram of gear part；
Fig. 2 is half-sectional view of the height adjustment device along diagram up and down direction；
Fig. 3 is the facing structure figure of the second head rest matable assembly；
Fig. 4 is the exploded view of the first head rest positioning components；
Fig. 4 A is the schematic enlarged-scale view in the A of the circled regions Fig. 4；
Fig. 5 is cross-sectional view of the head rest drawing article 102 shown in Fig. 4 along paper direction；
Fig. 6 is the structural schematic diagram that screen body is equipped in Fig. 2 area elliptica B.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction ", " positive direction ", " negative direction " is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.
The tool of the fixed device of the head rest height adjustment that please join Fig. 1 to a kind of child safety seat of the present invention illustrated in fig. 6
Body embodiment.
In the present embodiment, the head rest height adjustment device for being used for child safety seat, including main casing 40, head rest
20, the first head rest positioning components 10, the second head rest matable assembly 30 and the gear part 101 being fixedly connected with main casing 40,
103, the first head rest positioning components 10 include head rest drawing article 102, gear adjustment pin 171, and head rest drawing article 102, which slides up and down, to be set
It sets at 20 back side of head rest, the free end of head rest drawing article 102 is equipped with the guide channel 1622 and positioning groove 1624 being arranged symmetrically；
Second head rest matable assembly 30 includes head rest fixed plate 301, head rest gear adjusting fixing piece 302, head rest gear tune
Section fixing piece 302 is fixedly mounted in head rest fixed plate 301；
First head rest positioning components 10 are mounted on 40 inside of main casing, and the second head rest matable assembly 30 is enclosed in the first head rest
The outside of positioning components 10, and be slidably connected with main casing 40, gear part 101,103 and the 171 activity grafting of gear adjustment pin, shelves
Position adjustment pin 171 is connect with head rest drawing article 102 by slide bolt 1623, and slide bolt 1623 extends into positioning groove 1624；
Gear part 101,103 is installed on main casing 40 with bolt by upper screw hole 111 and the next screw hole 161；Gear part 101,103 exists
The gear plate 141 with several gear holes 1411 is installed on one side towards the first head rest positioning components 10；Head rest drawing article 102 is equipped with
Regulation handle 112, head rest drawing article 102 are equipped with resetting apparatus 142.
Resetting apparatus 142 includes a fixed fixture block 1421, one end is equipped with fixed hook 1422 and the other end is equipped with to reset and hang
The reset spring 1423 of hook 1424 resets fixture block 1425, and 1421 hook of fixed hook is held on fixed fixture block 1421, works as regulation handle
112 when pulling up, and resets 1424 hooks of hook and is held in and resets on fixture block 1425, and reset spring 1423 is shunk to pull direction, with
Driving slide bolt 1623 is in positioning groove 1624 when moving linearly so that gear adjustment pin 171 do opposite stretching motion with
It is detached from the limit of gear hole 1411, head rest drawing article 102 can slide up and down adjusting height；It is multiple when unclamping regulation handle 112
Position spring 1423 restores stationary state, resets 1424 disengaging of hook and resets fixture block 1425, to drive slide bolt 1623 transposing
When making reset linear movement in slot 1624, so that gear adjustment pin 171 does reversed stretching motion to reinsert gear hole 1411,
Realize that the first head rest positioning components 10 reset.
Head rest gear fixing piece 302 includes that gear adjusts limit body 322 and shift finger limit plate 312, and gear adjusts limit
Body 322 and the separated state of shift finger limit plate 312, form the cavities of horizontal receiving gear adjustment pin 171, and gear is adjusted
Pin 171 makees opposite stretching motion in cavities, in the gear hole 1411 be inserted into gear part 101,103.
Wherein, 1623 location of slide bolt is position shown in Fig. 3 after gear adjustment pin 171 is inserted into gear hole 1411
X1 is set, the location of Fixed latches 1621 are position Y1 shown in Fig. 4 A, and the position for the gear hole 1411 being inserted into is Fig. 2 institute
The position S1 shown, shift finger limit plate 312 are on one side and horizontal corresponding for position shown in Fig. 2 with position S1 towards gear hole 1411
Set S2；Extreme position when slide bolt 1623 makees contractile motion after the disengaging gear hole 1411 of gear adjustment pin 171 is shown in Fig. 3
Position X2, the location of Fixed latches 1621 are position Y2 shown in Fig. 4 A；
Head rest height adjustment principle is as follows, as shown in Fig. 2, when regulation handle 112 is pulled along the upward arrow direction of diagram,
The slide downward in sliding groove 132 of positioning screw 122, the built-in reset spring 1423 in resetting apparatus 142 are stretched contraction, with
So that resetting being pulled up for 1424 pairs of reset fixture blocks 1425 of hook, symmetrically arranged fixation in gear regulatory region 162 is driven to insert
Pin 1621 makees slide downward in corresponding guide channel 1622, and exactly position Y1 is moved to position Y2 from Fig. 4 A；It is same simultaneously
It is that symmetrically arranged slide bolt 1623 makees linear slide obliquely in corresponding positioning groove 1624, so that and slide bolt
The 1623 gear adjustment pins 171 being symmetrically connected make opposite contractile motion, the direction of contractile motion left and right directions as shown in Figure 2, just
It is that position X1 is moved to position X2 from Fig. 3, realizes the disengaging of slide bolt 171 Yu gear hole 1411, so that head rest 20,
One head rest positioning components 10, the second head rest matable assembly 30 integrally pull up under the pulling of regulation handle 112.When height
After position determines, regulation handle 112 is unclamped, head rest 20, the first head rest positioning components 10, the second head rest matable assembly 30 are in nature
It resets hook 1424 under the action of downward force, in resetting apparatus 142 and is detached from and reset fixture block 1425, to promote gear regulatory region
Fixed latches 1621 in 162 make upward sliding in corresponding guide channel 1622, while being equally that symmetrically arranged sliding is inserted
Pin 1623 makees linear slide obliquely in corresponding positioning groove 1624, so that the gear being symmetrically connected with slide bolt 1623
Adjustment pin 171 is made to reversed stretching routine, the direction of stretching routine left and right directions as shown in Figure 2, realize slide bolt 171 with
The insertion of gear hole 1411, fixed height position.Fixed latches 1621 and sliding are defined by the setting of gear regulatory region 162
The relative motion of bolt 1623 has effectively achieved the space of separation and insertion of the gear bolt 171 for gear part 101,103
Relationship realizes head rest height adjustment, so that assembly convenience, substantially reduces maintenance cost；And it is symmetrical arranged two gear bolts
Height adjustment while 171 realization 20 both ends of head rest, the stability positioned when improving height adjustment.
In addition, when gear adjustment pin 171 makees opposite stretching motion under the driving of head rest drawing article 102, gear adjustment pin
The distance of 171 telescopic slides is exactly distance between position X1 and position X2 in Fig. 3, with slide bolt 1623 along positioning groove 1624
When making linear slide, in being equidistant for the sliding realized along the direction that gear adjustment pin 171 is stretched.And positioning groove 1624
Sliding section and guide channel 1622 form angle, and the extending direction of guide channel 1622 and head rest fixed plate 301 adjust direction
Unanimously.From the point of view of motion principle, gear bolt 171 is needed to realize to shrink to the direction of from left to right and be stretched, and head rest drawing article 102
Realize upward downwardly direction sliding, resultant direction and guide channel of the motion profile between the two on positioning groove 1624
1622 direction shapes form an angle, and angle is preferably sized to 20 °~30 ° so that the distance of stretch out and draw back of gear adjustment pin 171 with
The ratio of the operating range of guide channel 1622 is moderate, optimizes harmony when mutual movement.
Particularly, the end symmetrical of gear regulatory region 162 is equipped with the section parallel with positioning groove 1624, symmetrical on the section
Fixing bolt 1625 is provided with to realize the fixing assembling of head rest drawing article 102 and the second head rest matable assembly 30, the section
Setting can guarantee that in height adjustment, the upward slide downward of gear regulatory region 162 will not make the second head rest matable assembly
Head rest fixed plate 301 adjusts fixing piece 302 with head rest gear and occurs mutually to be displaced in 30.
Gear adjustment pin 171 is provided with the pin hole 1711 being connected with slide bolt 1623 and several U-type groove holes 1712.
In assembly, screen body 1713 can be equipped with and be inserted into the U-type groove hole 1712 of gear adjustment pin 171, which can be with
It is metal class or other materials.The setting in U-type groove hole 1712 simplifies assembly process, can also save material, mitigates
The weight of gear adjustment pin 1712, makes it when making stretching motion, more laborsaving, improves the durability of device.
Gear adjusts limit body 322 and is fixedly mounted in head rest fixed plate 301 by Fixed latches 1621, Fixed latches
1621 extend into guide channel 1622；Gear adjusts the gear adjusting limit that limit body 322 includes enclosing installation and adjustment area 162 and encloses
Block 3223 and the gear for being installed on 3223 top of gear adjusting limit enclosing block adjust limit body covering block 3222；In assembly,
Gear adjusts limit body covering block 3222 and passes through the bolt fixing assembling on Fixed latches 1621 and fixing bolt 1625；Gear tune
Section pin (171) is equipped with the screen body 1713 for enclosing and being installed on 171 outside of gear adjustment pin.Shift finger limit plate 312 is symmetrically installed
In close to gear part 101,103 sides head rest fixed plate 301 on, and be equipped with U-shaped opening slot 3121, gear adjustment pin 171
Horizontal setting is on the U-shaped opening slot 3121 close to one end of gear hole 1711.Gear adjusts limit body 322 and is equipped with U-type groove
Road 3224,171 horizontal setting of gear adjustment pin is on the U-type groove road 3224 that gear adjusts 322 one end of limit body.
Gear adjustment pin 171 makees the distance of out movement in cavities, be exactly in Fig. 3 position X1 and position X2 away from
From, greater than shift finger limit plate 312 at a distance from 141 forward surface of gear plate, be exactly in Fig. 2 position S1 to the distance of position S2.
Gear adjusts limit body 322 and is fixedly mounted on fin 311 by screw.Head rest fixed plate 301 is adjusted towards gear
The integrally-formed fin 311 in the side of limit body 322, shift finger limit plate 312 are fastened on fin 311.Particularly, shift finger
Limit plate 312 can be block and be also possible to template, and the installation with head rest fixed plate 301 is preferably integrally formed, and be conducive to fill
One end when with gear adjustment pin 171 is fixed, and assembly difficulty is reduced.Gear adjusts limit body 322 and shift finger limit plate 312 divides
It is not set to 171 both ends of gear adjustment pin, effectively improves the stability of device, avoids the danger slid occur in sliding
Danger.
Gear adjusts projection in cavities formed in limit body 322 and forms barriers 3221.The barriers 3221
Setting can be effectively controlled gear adjustment pin 171 cavities do contractile motion be detached from when the limit of gear part 101,103,
Excess shrinkage is avoided, the bending of 1623 inclination and distortion of slide bolt is caused even to fracture.In addition barriers 3221 can be arranged to
Projection piece is also possible to the mode in type U-type groove hole to achieve the effect that barrier.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of fixed device of the head rest height adjustment of child safety seat, including main casing (40), head rest (20), the first head rest
Positioning components (10), the second head rest matable assembly (30) and the gear part (101,103) being fixedly connected with main casing (40),
It is characterized by:
The first head rest positioning components (10) include head rest drawing article (102), gear adjustment pin (171), and the head rest pulls
Part (102) slides up and down setting at head rest (20) back side, and the free end of the head rest drawing article (102) is led equipped with what is be arranged symmetrically
Approaching channel (1622) and positioning groove (1624)；
The second head rest matable assembly (30) include head rest fixed plate (301), head rest gear adjust fixing piece (302), it is described
Head rest gear adjusts fixing piece (302) and is fixedly mounted on head rest fixed plate (301)；
The first head rest positioning components (10) are mounted on the inside of main casing (40), and the second head rest matable assembly (30) encloses
In the outside of the first head rest positioning components (10), it is slidably connected with main casing (40), the gear part (101,103) and gear tune
Section pin (171) activity grafting, the gear adjustment pin (171) and the head rest drawing article (102) pass through slide bolt (1623)
Connection, the slide bolt (1623) extend into positioning groove (1624)；
The head rest gear fixing piece (302) includes that gear adjusts limit body (322) and shift finger limit plate (312), gear tune
Limit body (322) and shift finger limit plate (312) separated state are saved, the receiving of horizontal receiving gear adjustment pin (171) is formed
Channel, the gear adjustment pin (171) makees opposite stretching motion in cavities, to be inserted into gear part (101,103)
In gear hole (1411).
2. the fixed device of head rest height adjustment according to claim 1, it is characterised in that: the gear part (101,103)
Side close to head rest fixed plate (301) forms the gear plate (141) for having several gear holes (1411), the gear adjustment pin
(171) activity insertion gear hole (1411).
3. the fixed device of head rest height adjustment according to claim 1, it is characterised in that: the gear adjusts limit body
(322) it is fixedly mounted on head rest fixed plate (301) by Fixed latches (1621), Fixed latches (1621) extend into guide channel
(1622)。
4. the fixed device of head rest height adjustment according to claim 1, it is characterised in that: the shift finger limit plate
(312) it is symmetrically arranged in the head rest fixed plate (301) of gear part (101,103) side.
5. the fixed device of head rest height adjustment according to claim 4, it is characterised in that: the gear adjustment pin (171)
The screen body (1713) being installed on equipped with enclosing on the outside of gear adjustment pin (171).
6. the fixed device of head rest height adjustment according to claim 5, it is characterised in that: the shift finger limit plate
(312) U-shaped opening slot (3121) are equipped with, (171) horizontal setting of gear adjustment pin is close to the U-shaped of gear hole (1711) one end
On open slot (3121).
7. the fixed device of head rest height adjustment according to claim 6, it is characterised in that: the gear adjusts limit body
(322) U-type groove road (3224) are equipped with, (171) horizontal setting of gear adjustment pin is adjusting limit body (322) one end close to gear
U-type groove road (3224) on.
8. the fixed device of head rest height adjustment according to claim 2, it is characterised in that: the gear adjustment pin (171)
The distance for making out movement in cavities be greater than shift finger limit plate (312) and gear plate (141) forward surface between away from
From.
9. the fixed device of head rest height adjustment according to claim 7, it is characterised in that: the head rest fixed plate (301)
The integrally-formed fin in side (311) of limit body (322) is adjusted towards gear, the shift finger limit plate (312) is fastened in
On fin (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171211.4A CN109747494A (en) | 2019-03-07 | 2019-03-07 | A kind of fixed device of the head rest height adjustment of child safety seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171211.4A CN109747494A (en) | 2019-03-07 | 2019-03-07 | A kind of fixed device of the head rest height adjustment of child safety seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109747494A true CN109747494A (en) | 2019-05-14 |
Family
ID=66406900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910171211.4A Pending CN109747494A (en) | 2019-03-07 | 2019-03-07 | A kind of fixed device of the head rest height adjustment of child safety seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109747494A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202011051484U1 (en) * | 2010-09-30 | 2012-01-31 | Ningbo Global Kids Baby Products Co., Ltd. | Device for adjusting headrest height for vehicle child safety seat |
| CN202294368U (en) * | 2011-09-15 | 2012-07-04 | 宁波大功婴童用品有限公司 | Automobile child safety seat |
| CN108045280A (en) * | 2017-12-21 | 2018-05-18 | 浙江雅虎汽车部件有限公司 | A kind of height for child safety seat head rest adjusts locking mechanism |
| CN109050366A (en) * | 2018-08-24 | 2018-12-21 | 常州市博聪儿童用品股份有限公司 | A kind of child seat head rest regulating mechanism |
| CN209719334U (en) * | 2019-03-07 | 2019-12-03 | 江苏欧思诺智能科技有限公司 | A kind of fixed device of the head rest height adjustment of child safety seat |
-
2019
- 2019-03-07 CN CN201910171211.4A patent/CN109747494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202011051484U1 (en) * | 2010-09-30 | 2012-01-31 | Ningbo Global Kids Baby Products Co., Ltd. | Device for adjusting headrest height for vehicle child safety seat |
| CN202294368U (en) * | 2011-09-15 | 2012-07-04 | 宁波大功婴童用品有限公司 | Automobile child safety seat |
| CN108045280A (en) * | 2017-12-21 | 2018-05-18 | 浙江雅虎汽车部件有限公司 | A kind of height for child safety seat head rest adjusts locking mechanism |
| CN109050366A (en) * | 2018-08-24 | 2018-12-21 | 常州市博聪儿童用品股份有限公司 | A kind of child seat head rest regulating mechanism |
| CN209719334U (en) * | 2019-03-07 | 2019-12-03 | 江苏欧思诺智能科技有限公司 | A kind of fixed device of the head rest height adjustment of child safety seat |
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