CN204687885U - A kind of child safety seat headrest height adjustment mechanism - Google Patents
A kind of child safety seat headrest height adjustment mechanism Download PDFInfo
- Publication number
- CN204687885U CN204687885U CN201520424889.6U CN201520424889U CN204687885U CN 204687885 U CN204687885 U CN 204687885U CN 201520424889 U CN201520424889 U CN 201520424889U CN 204687885 U CN204687885 U CN 204687885U
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- China
- Prior art keywords
- headrest
- lock dog
- chair back
- fixed block
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
The utility model discloses a kind of child safety seat headrest height adjustment mechanism, comprise the chair back and headrest, the chair back comprises plate, inserting board is located in headrest, regulating mechanism is provided with between the chair back and headrest, regulating mechanism comprises fixed block, elastic component and solution lock dog, plate offers storage tank, storage tank is communicated with slippage slot, the both sides of slippage slot are provided with the position-limited trough of some equidistant arrangement, separating lock dog is arranged in slippage slot, separate the limiting stopper that lock dog is provided with the suitable clamping with position-limited trough, elastic component is placed in fixed block and separates between lock dog, wherein fixed block and headrest fix, solution lock dog in regulating mechanism is mutually spacing with the plate on the chair back, instead of headrest is mutually spacing with the chair back, and separate lock dog by elastic component and be connected with fixed block, fixed block is fixing with headrest again, press and separate lock dog and throw off spacing fixing between the plate on the chair back thus make rest the head on to slide on plate and realize adjustment highly, releasing process is irrelevant with headrest, make control process comparatively laborsaving.
Description
Technical field
The utility model relates to child safety seat field, and more particularly, it relates to a kind of child safety seat headrest height adjustment mechanism.
Background technology
Along with the reinforcement that the head of a family realizes by bus to child safety, the use of child safety seat on automobile becomes more and more universal.Children are growing tall every day, along with the growth of height, the child safety seat of original use cannot meet the operating needs of safety and comfort, and its height of headrest of child safety seat common at present generally cannot regulate, this just means the growth along with child's height, and the seat that must more renew is with the requirement of satisfied safe handling.
Application number be 200820162863.9 Chinese patent disclose child's safety seat for vehicle headrest height adjustment device in, comprise the chair back, the rear portion of the chair back is provided with slide plate actively, the rear portion of slide plate is disposed with elastic parts, square column and screw rod, screw rod is successively through square column, elastic parts, slide plate, the chair back and headrest, and screw rod is fixed on headrest, headrest is provided with boss, boss is corresponding with the groove phase clamping of seat support being offered only, when needing to press square column when regulating the height of headrest, square column drives screw rod to move simultaneously, spacing clamping relation between screw top beginning pillow and the chair back, now headrest just can slide on the chair back, after regulating, headrest resets under the effect of elastic parts, again spacing in the groove making the boss on resting the head on be connected to the chair back.This kind regulates the power that the required flower of the mode of height of headrest is larger; Next is pressed square column and goes to back down headrest, and elastic parts herein needs larger elasticity modulus, and just can retract headrest, this kind of spring cost is larger.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of child safety seat headrest height adjustment mechanism to regulate height of headrest adjustment structure simple, easy to operate, and control process is quite laborsaving, low cost of manufacture.
For achieving the above object, the utility model provides following technical scheme: a kind of child safety seat headrest height adjustment mechanism, comprise chair back assembly, described chair back assembly comprises the chair back and headrest, the described chair back comprises plate, described inserting board is located in headrest, regulating mechanism is provided with between the described chair back and headrest, described regulating mechanism comprises fixed block, elastic component and solution lock dog, described plate offers storage tank, described storage tank is communicated with slippage slot, the both sides of described slippage slot are provided with the position-limited trough of some equidistant arrangement, described solution lock dog is arranged in slippage slot, described solution lock dog is provided with the limiting stopper of the suitable clamping with position-limited trough, described elastic component is placed in fixed block and separates between lock dog, wherein fixed block and headrest fix.
By adopting technique scheme, solution lock dog in regulating mechanism is mutually spacing with the plate on the chair back, instead of headrest is mutually spacing with the chair back, and separate lock dog by elastic component and be connected with fixed block, fixed block is fixing with headrest again, make whole regulating mechanism fixing with headrest, separate lock dog and throw off spacing fixing between the plate on the chair back thus make rest the head on to slide on plate by pressing and realize adjustment highly, solution lock dog is bled off after regulating, separate the lock dog limiting stopper that resets under the effect of elastic component and snap fit onto position-limited trough again, adjustment operation is simple, releasing process is irrelevant with headrest, make control process comparatively laborsaving.
As preferably, described headrest offers slippage chamber, described plate is placed in slippage chamber, the front of described headrest offers mounting groove, the first through hole is offered in described mounting groove, described fixed block is embedded in mounting groove, the back side of described headrest is provided with the second through hole, described first through hole is all connected with slippage chamber with the second through hole, described fixed block comprises adapter plate, described adapter plate is provided with two pieces of arcuation blocks that mirror image is arranged, guide openings is formed between two pieces of arcuation blocks, described limiting stopper can slide in guide openings, wherein adapter plate is embedded in mounting groove, by the fixing headrest of screw and fixed block, arcuation block is inserted in the first through hole, described solution lock dog is arranged in the second through hole, and corresponding offers fluting on solution lock dog, described elastic component to be located at described in fluting and two pieces of arcuation blocks between the spacing fluting that formed.
By technique scheme, achieve the connection of separating between lock dog and fixed block, the connection between fixed block and headrest, structure is simple, and fixed block fixes dismounting by screw also to facilitate, optimization rational in infrastructure.
As preferably, the bottom surface of described position-limited trough is provided with guidepost, and described elastic component is sheathed on outside guidepost.
By technique scheme, elastic component is set in the play that guidepost external enwergy avoids elastic component.
As preferably, the sidewall of described arcuation block is connected with reinforced rib.
By technique scheme, improve the intensity of arcuation block.
As preferably, described elastic component is spring.
By technique scheme, spring is as the most common one of elastic component, and price is also cheap, and become replacing, cost performance is higher.
Compared with prior art, the utility model has the advantage of: control process is simple, rapid operation, reasonable in design.
Accompanying drawing explanation
Fig. 1 is the child seat structure schematic diagram of a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment;
Fig. 2 is the exploded view of the removing chair back of a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment;
Fig. 3 is the removing headrest scheme of installation of a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment;
Fig. 4 is the A portion enlarged drawing of Fig. 3;
Fig. 5 is the exploded view of the regulating mechanism of a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment;
Fig. 6 is the structural representation of the chair back of a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment;
Fig. 7 is the headrest features schematic diagram one of a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment;
Fig. 8 is the B portion enlarged drawing of Fig. 7;
Fig. 9 is the headrest features schematic diagram two of a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment;
Figure 10 is the structural representation of the fixed block of a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment.
Accompanying drawing specification sheets: 10, child safety seat; 20, chair back assembly; 21, rest the head on; 211, slippage chamber; 212, mounting groove; 213, the first through hole; 214, tapped bore; 215, the second through hole; 216, pulling item; 22, the chair back; 221, plate; 222, storage tank; 223, slippage slot; 224, position-limited trough; 225, chair back body; 30, regulating mechanism; 31, fixed block; 311, spacing fluting; 312, guide openings; 313, guidepost; 314, curved baffle; 315, adapter plate; 316, through hole is installed; 317, reinforced rib; 32, spring; 33, lock dog is separated; 331, limiting stopper; 332, slot; 40, seat support.
Detailed description of the invention
With reference to accompanying drawing, a kind of child safety seat headrest height adjustment mechanism of the utility model embodiment is described further.
See Fig. 1, a whole child safety seat 10 comprises chair back assembly 20 and seat support 40, and chair back assembly 20 comprises the chair back 22 and headrest 21.
Composition graphs 6 to Fig. 9 further describes for chair back assembly 20, the whole chair back 22 comprises again chair back body 225 and the plate 221 be located on chair back body 225, plate 221 is strip shape, plate 221 offers storage tank 222, slippage slot 223 is offered in storage tank 222, offer position-limited trough 224 in the both sides of slippage slot 223, the position-limited trough 224 of slippage slot 223 both sides is symmetrical arranged and is connected with slippage slot 223, position-limited trough 224 in the vertical direction equidistant arrangement.
The one side that the front of headrest 21 i.e. head rely on offers mounting groove 212, the first through hole 213 is offered in mounting groove 212, slippage chamber 211 is offered in whole headrest 21, first through hole 213 is connected with slippage chamber 211, and be also provided with tapped bore 214 in sub-mounting groove 212, the back side of headrest 21 offers the second through hole 215, second through hole 215 be connected with slippage chamber 211 equally, and the first through hole 213 is arranged with the second through hole 215 is concentric.
Fig. 2 to Fig. 5 illustrates that the structure of regulating mechanism 30 and regulating mechanism 30 assemble schematic diagram between the chair back 22 and headrest 21, described regulating mechanism 30 comprises three parts, be respectively fixed block 31, elastic component 32 and solution lock dog 33, elastic component 32 is located at fixed block 31 and is separated between lock dog 33, elastic component 32 is preferably spring, separating lock dog 33 is arranged in the slippage slot 223 of plate 221, that separates lock dog 33 is circumferentially with limiting stopper 331, when separating lock dog 33 and being arranged in slippage slot 223, limiting stopper 331 clamping is limited in position-limited trough 224, limiting stopper 331 be provided with two pieces respectively clamping be limited in the position-limited trough 224 of the both sides of slippage slot 223, the inside of separating lock dog 33 also offers fluting 332, spring 32 is plugged in fluting 332, plate 221 overcoat rests the head on 21, insert from the slippage chamber 211 of headrest 21, finally load onto fixed block 31, realize the fixing of regulating mechanism 30 and headrest 21.
See Figure 10, fixed block 31 comprises an adapter plate 315, the cross section of adapter plate 315 matches with the cross section of the mounting groove 212 of headrest 21, and offer on adapter plate 315 and through hole 316 is installed, through hole 316 is installed be connected with the tapped bore 214 on mounting groove 212, adapter plate 315 offers two pieces of curved baffles 314, two blocks of curved baffle 314 phase mirror images are arranged, spacing fluting 311 and guide openings 312 is formed between two curved baffles 314, guide openings 312 is connected with spacing fluting 311, guidepost 313 is provided with in spacing fluting 311, the outer wall of two pieces of curved baffles 314 is equipped with reinforced rib 317, when fixing fixed block 31 is installed, fixed block 31 is embedded in the mounting groove 212 of headrest 21, by screw through being threadedly connected to tapped bore 214 internal fixtion by grabbing terrible through hole 316.
Composition graphs 1 to Figure 10, when fixing headrest 21, separate lock dog 33 as in the slippage chamber 211 of headrest 21, and separating lock dog 33 passes in 215, spring 32 is put at the fluting 332 separating lock dog 33, finally install fixed block 31, it is outer and be placed in spacing fluting 311 that spring 32 is set in guidepost 313, and whole regulating mechanism 30 21 synchronously to slide with resting the head on plate 211.
When needing the height regulating headrest 21, pressing solution lock dog 33 makes the limiting stopper 331 separated on lock dog 33 throw off the clamping of position-limited trough 224, and limiting stopper 331 fixes block 31 direction draws close, limiting stopper 331 can slide in guide openings 312, the regulating mechanism 30 of throwing off after clamping makes headrest 21 and plate 221 realize relative sliding, headrest 21 can slide on the vertical direction of plate 221, when after the height regulating headrest 21, bleed off and separate lock dog 33, under the effect of spring 32, now separate lock dog 33 reset, separate lock dog 33 limiting stopper 331 again again limiting card be connected in position-limited trough 224, headrest 21 is fixed with plate 221, the height that control process only needs the clamping of throwing off plate 221 by separating lock dog 33 just can realize headrest 21 regulates, simple to operate, and releasing process is quite laborsaving, headrest 21 after unblock can be promoted and decline headrest 21 by the lift block 216 on headrest 21.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a child safety seat headrest height adjustment mechanism, comprise chair back assembly, described chair back assembly comprises the chair back and headrest, the described chair back comprises plate, described inserting board is located in headrest, regulating mechanism is provided with between the described chair back and headrest, it is characterized in that, described regulating mechanism comprises fixed block, elastic component and solution lock dog, described plate offers storage tank, described storage tank is communicated with slippage slot, the both sides of described slippage slot are provided with the position-limited trough of some equidistant arrangement, described solution lock dog is arranged in slippage slot, described solution lock dog is provided with the limiting stopper of the suitable clamping with position-limited trough, described elastic component is placed in fixed block and separates between lock dog, wherein fixed block and headrest fix.
2. a kind of child safety seat headrest height adjustment mechanism according to claim 1, it is characterized in that, described headrest offers slippage chamber, described plate is placed in slippage chamber, the front of described headrest offers mounting groove, the first through hole is offered in described mounting groove, described fixed block is embedded in mounting groove, the back side of described headrest is provided with the second through hole, described first through hole is all connected with slippage chamber with the second through hole, described fixed block comprises adapter plate, described adapter plate is provided with two pieces of arcuation blocks that mirror image is arranged, guide openings is formed between two pieces of arcuation blocks, described limiting stopper can slide in guide openings, wherein adapter plate is embedded in mounting groove, by the fixing headrest of screw and fixed block, arcuation block is inserted in the first through hole, described solution lock dog is arranged in the second through hole, and corresponding offers fluting on solution lock dog, described elastic component to be located at described in fluting and two pieces of arcuation blocks between the spacing fluting that formed.
3. a kind of child safety seat headrest height adjustment mechanism according to claim 2, it is characterized in that, the bottom surface of described position-limited trough is provided with guidepost, and described elastic component is sheathed on outside guidepost.
4. a kind of child safety seat headrest height adjustment mechanism according to claim 2, is characterized in that, the sidewall of described arcuation block is connected with reinforced rib.
5. a kind of child safety seat headrest height adjustment mechanism according to claim 1, is characterized in that, described elastic component is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424889.6U CN204687885U (en) | 2015-06-18 | 2015-06-18 | A kind of child safety seat headrest height adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424889.6U CN204687885U (en) | 2015-06-18 | 2015-06-18 | A kind of child safety seat headrest height adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204687885U true CN204687885U (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520424889.6U Ceased CN204687885U (en) | 2015-06-18 | 2015-06-18 | A kind of child safety seat headrest height adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204687885U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976419A (en) * | 2017-03-12 | 2017-07-25 | 浙江乐优贝汽车用品有限公司 | The adjustment latching device of headrest |
| CN108657033A (en) * | 2018-05-17 | 2018-10-16 | 麦克英孚(宁波)婴童用品有限公司 | A kind of adjustable safety seat of headrest |
| CN108741853A (en) * | 2018-09-03 | 2018-11-06 | 华倩倩 | A kind of seat backrest |
| WO2019242201A1 (en) * | 2018-06-22 | 2019-12-26 | 苏州纪宝儿童用品有限公司 | Child seat for facilitating headrest adjustment |
-
2015
- 2015-06-18 CN CN201520424889.6U patent/CN204687885U/en not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976419A (en) * | 2017-03-12 | 2017-07-25 | 浙江乐优贝汽车用品有限公司 | The adjustment latching device of headrest |
| CN106976419B (en) * | 2017-03-12 | 2023-02-03 | 浙江乐优贝汽车用品有限公司 | Adjusting locking mechanism of seat headrest |
| CN108657033A (en) * | 2018-05-17 | 2018-10-16 | 麦克英孚(宁波)婴童用品有限公司 | A kind of adjustable safety seat of headrest |
| CN108657033B (en) * | 2018-05-17 | 2024-03-01 | 麦克英孚(宁波)婴童用品有限公司 | Safety seat with adjustable headrest |
| WO2019242201A1 (en) * | 2018-06-22 | 2019-12-26 | 苏州纪宝儿童用品有限公司 | Child seat for facilitating headrest adjustment |
| CN108741853A (en) * | 2018-09-03 | 2018-11-06 | 华倩倩 | A kind of seat backrest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20211020 Decision number of declaring invalidation: 52089 Granted publication date: 20151007 |