CN108657033B - Safety seat with adjustable headrest - Google Patents
Safety seat with adjustable headrest Download PDFInfo
- Publication number
- CN108657033B CN108657033B CN201810474210.2A CN201810474210A CN108657033B CN 108657033 B CN108657033 B CN 108657033B CN 201810474210 A CN201810474210 A CN 201810474210A CN 108657033 B CN108657033 B CN 108657033B
- Authority
- CN
- China
- Prior art keywords
- headrest
- gear
- section
- gear unit
- deformation section
- Prior art date
- 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.)
- Active
Links
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
- B60N2/812—Head-rests movable or adjustable vertically slidable characterised by their locking devices
- B60N2/818—Head-rests movable or adjustable vertically slidable characterised by their locking devices with stepwise positioning
Abstract
The invention discloses a safety seat with an adjustable headrest, which comprises a seat back, a headrest slidably arranged on the seat back and a headrest adjusting structure for locking or unlocking the movement of the headrest, wherein the headrest adjusting structure comprises: the gear rail is arranged on the chair back and is provided with a plurality of gear grooves along the vertical direction; the gear unit is movably arranged on the headrest, so that when the headrest moves up and down along the chair back, the gear unit is sequentially opposite to each gear groove, and when the gear unit is opposite to one gear groove, the gear unit is suitable for moving into or away from the gear groove so as to lock or unlock the headrest; the elastic element is arranged between the gear unit and the headrest and is suitable for continuously applying acting force for the gear unit to move into the gear groove; the unlocking piece is suitable for elastic deformation under the action of external force, and applies external force to the gear unit during deformation so as to overcome the acting force of the elastic element and unlock the headrest. The headrest adjusting structure provided by the invention can be operated by one hand, so that the adjustment of the headrest is convenient and quick.
Description
Technical Field
The invention relates to the field of child safety seats, in particular to a safety seat with an adjustable headrest.
Background
Currently, with the enhancement of the awareness of parents to child safety seats, the use of child safety seats in automobiles is becoming more and more popular. In order to accommodate the growing height of children, most child safety seats are designed with headrest adjustable, which the user can adjust to the proper position according to the child's height.
However, the adjusting mechanism in the prior art is generally complex and has great operation difficulty.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the safety seat with the adjustable headrest, which is simple in headrest adjusting structure and convenient to operate.
The invention adopts the following technical scheme:
a safety seat with an adjustable headrest, comprising a seat back, a headrest slidably disposed on the seat back, and a headrest adjustment mechanism for locking or unlocking movement of the headrest, the headrest adjustment mechanism comprising:
the gear rail is arranged on the chair back and is provided with a plurality of gear grooves along the length direction;
the gear unit is movably arranged on the headrest, so that when the headrest moves up and down along the chair back, the gear unit is sequentially opposite to each gear groove, and when the gear unit is opposite to one gear groove, the gear unit is suitable for moving into or away from the gear groove so as to lock or unlock the headrest;
the elastic element is arranged between the gear unit and the headrest and is suitable for continuously applying acting force to the gear unit to move into the gear groove so as to lock the headrest;
the unlocking piece comprises a fixed section, a deformation section and a movable section, wherein the two ends of the deformation section are respectively connected with the fixed section and the movable section, the fixed section is fixedly arranged at the lower end of the headrest, the movable section extends to the upper end of the headrest, the deformation section is opposite to the gear unit, the deformation section is suitable for elastic deformation by applying external force to the movable section, and the gear unit is driven to move when the deformation section is elastically deformed so as to unlock the headrest.
According to the invention, the unlocking of the headrest is realized through the unlocking piece. Meanwhile, the movable section of the unlocking piece is positioned at the upper end of the headrest, when a user needs to move the headrest, acting force is directly applied to the movable section, and the deformation section is elastically deformed when the movable section moves, so that the headrest is unlocked, and when the moving direction of the headrest is consistent with the moving direction of the movable section, the user can continuously apply external force to the movable section, so that the headrest moves; when the moving direction of the movable section is opposite to the moving direction of the headrest, after the external force is applied to the movable section by the fingers, the external force can be applied to the headrest by the elbows, the backs of the hands or the palms of the user, so that the headrest moves. That is, the headrest adjusting structure provided by the invention can be operated by one hand, so that the headrest can be adjusted conveniently and quickly.
Further, a mounting base is arranged on the headrest and is provided with a mounting cavity, the gear unit comprises a gear moving part and a gear rod, the gear moving part is movably arranged in the mounting cavity, the gear rod is arranged at the outer end of the gear moving part, the gear rod is opposite to the gear groove, and when the gear moving part moves along the mounting cavity, the gear rod moves into the gear groove or is far away from the gear groove.
Further, one end of the elastic element abuts against the mounting base, the other end abuts against the gear moving part, the elastic element is suitable for continuously applying force to the gear moving part to keep the gear lever in the gear groove, the inner end of the gear moving part extends towards the deformation section, and when the deformation section deforms, the elastic element is suitable for applying force opposite to the acting force direction of the elastic element to the gear moving part.
Further, the middle part of deformation section is to the place ahead arch of back of the chair, the gear moving part is in the rear of deformation section, the inner of gear moving part with the arch portion of deformation section is contradicted, so that when the activity section is upwards moved under the exogenic action, the arch portion of deformation section is straightened and to the direction of gear moving part is removed, thereby the deformation section is to the force of gear moving part application outside removal makes the gear pole with the gear groove separation, when removing the exogenic of activity section, deformation section resumes deformation, the gear moving part is inwards moved under the effect of elastic element, makes the gear pole card is gone into corresponding in the gear groove.
Further, a pull ring is arranged at the upper end of the movable section.
Further, the tab is at an upper edge of the headrest.
Drawings
FIG. 1A is an exploded view of a preferred embodiment of the present invention;
FIG. 1B is an enlarged view of a portion of FIG. 1A;
FIG. 2A is a cross-sectional view of a preferred embodiment of the present invention, showing the headrest locked;
FIG. 2B is an enlarged view of a portion of FIG. 2A;
FIG. 3A is a cross-sectional view of a preferred embodiment of the present invention, showing the headrest unlocked;
FIG. 3B is an enlarged view of a portion of FIG. 3A;
in the figure: 1. a chair back; 10. a through hole; 2. a headrest; 21. a mounting base; 210. a mounting cavity; 3. a headrest adjusting structure; 31. a gear rail; 310. a gear groove; 32. a gear unit; 321. a gear moving member; 322. a gear lever; 33. an unlocking member; 331. a fixed section; 332. a deformation section; 333. a movable section; 334. a pull ring; 34. an elastic element.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
In the description of the present invention, it should be noted that, for the azimuth words such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present invention that the device or element referred to must have a specific azimuth configuration and operation.
As shown in fig. 1A, 1B, the child safety seat of the present invention includes a seatback 1, a headrest 2 slidably provided on the seatback 1, and a headrest adjusting structure 3 for locking or unlocking the headrest 2.
The headrest adjusting structure 3 includes: gear rail 31, gear unit 32, unlocking member 33, elastic element 34.
The shift rail 31 is provided on the seatback 1, and has a plurality of shift grooves 310 in the longitudinal direction.
The gear unit 32 is movably provided to the headrest 2 such that the gear unit 32 is sequentially opposite to each gear groove 310 on the gear rail 31 when the headrest 2 moves up and down along the seatback 1, and the gear unit 32 can move into or away from the gear groove 310 when the gear unit 32 is opposite to the gear groove 310; the elastic member 34 is provided between the gear unit 32 and the headrest 2, and is adapted to continuously apply a force to the gear unit 32 for moving into the gear slot 310, so that when the gear unit 32 corresponds to one gear slot 310, the elastic member 34 holds the gear unit 32 in the gear slot 310, and at this time, the headrest 2 is restrained at the gear by the gear unit 32 and cannot move up and down.
The unlocking piece 33 comprises a fixed section 331, a deformation section 332 and a movable section 333, wherein the two ends of the deformation section 332 are respectively connected with the fixed section 331 and the movable section 333, the fixed section 331 is fixedly arranged at the lower end of the headrest 2, the movable section 333 is movably arranged at the upper end of the headrest 2 up and down, and the deformation section 332 is suitable for elastic deformation. The deformation section 332 is opposite to the gear unit 32, when the movable section 333 moves upwards under the action of external force, the deformation section 332 elastically deforms, and simultaneously, external force is applied to the gear unit 32 to overcome the acting force of the elastic element 34, the gear unit 32 moves to a position far away from the gear slot 310 under the action of the deformation section 332, and at this time, the headrest 2 is not limited by the gear and can move up and down, as shown in fig. 3A and 3B; when the headrest 2 is moved to the proper position, the external force applied to the movable section 333 is removed, the deformation section 332 resumes the deformation, and the shift position unit 32 is also moved into the corresponding shift position groove 310 by the elastic member 34, thereby holding the headrest 2 in this position, as shown in fig. 2A, 2B.
Further, the headrest 2 is provided with a mounting base 21, and the mounting base 21 has a mounting cavity 210. The gear unit 32 includes a gear moving member 321 and a gear lever 322, the gear moving member 321 is movably disposed in the mounting cavity 210, the gear lever 322 is disposed at an outer end of the gear moving member 321, the gear lever 322 is opposite to the gear slot 310 on the gear rail 31, and when the gear moving member 321 moves along the mounting cavity 210, the gear lever 322 moves into the gear slot 310 or moves away from the gear slot 310.
One end of the elastic element 34 abuts against the mounting base 21, and the other end abuts against the shift position movable member 321, which is adapted to continuously apply a force to the shift position movable member 321 to hold the shift position lever 322 in the shift position groove 310.
The inner end of the gear shift stage moving member 321 extends toward the deformation section 332, and when the deformation section 332 is deformed, a force opposite to the acting force of the elastic member 34 is applied to the gear shift stage moving member 321.
Further, the gear rail 31 is disposed at the back of the seat back 1, the headrest 2 is disposed at the front of the seat back 1, and the seat back 1 has a through hole 10 to allow the gear unit 32 to pass through the seat back 1 and be connected with the headrest 2, and the through hole 10 and the gear rail 31 extend parallel to each other, so that the gear unit 32 moves up and down along the through hole 10 when the headrest 2 moves up and down.
The headrest adjusting structure 3 comprises two gear rails 31, the two gear rails 31 are arranged on two sides of the back of the chair back 1 in parallel, and a gear groove 310 on the gear rail 31 is opened towards the back of the chair back 1. Both ends of the gear lever 322 are adapted to be respectively caught in the gear grooves 310 of the both side gear rails 31. The resilient member 34 is adapted to continuously apply an inward moving force (i.e., a force moving toward the front of the seat back 1) to the shift position movable member 321 such that the shift position lever 322 is held in the shift position groove 310. When the deformation section 332 deforms, a force that moves outwards (i.e., a force that moves towards the back of the seat back 1) is applied to the shift position moving member 321, so that the shift position lever 322 is separated from the shift position slot 310.
Preferably, the deformation section 332 is a metal sheet with a bent middle part, the middle part of the deformation section 332 arches towards the front of the chair back 1, the gear moving part 321 is positioned at the rear of the deformation section 332, the inner end of the gear moving part 321 is in contact with the arching part of the deformation section 332, when the movable section 333 moves upwards under the action of external force, the arching part of the deformation section 332 is straightened and moves towards one side of the gear moving part 321, so that the outward moving force is applied to the gear moving part 321, the gear rod 322 is separated from the gear groove 310, and at the moment, the headrest 2 is unlocked and can move up and down freely, as shown in fig. 3A and 3B; when the external force to the movable section 333 is removed, the deformation section 332 resumes the deformation, and the shift movable member 321 moves inwards under the action of the elastic element 34, so that the shift lever 322 is locked into the corresponding shift slot 310, and the headrest 2 is locked and cannot move up and down freely, as shown in fig. 2A and 2B.
Preferably, the upper end of the movable section 333 is provided with a pull ring 334, and a user can pull the movable section 333 upward through the pull ring 334.
Preferably, the pull ring 334 is located at the upper edge of the headrest 2 so that the user can apply force to both the pull ring 334 and the headrest 2 with one hand, especially when the user needs to move the headrest 2 downward, on the one hand, an upward pulling force is applied to the pull ring 334, and on the other hand, a downward pressing force is applied to the headrest 2, and the pull ring 334 is located close to the headrest 2, which is convenient for the user, that is, the user can pull the pull ring 334 upward by fingers, press the headrest 2 downward by the force of the wrist or the back of the hand, and the edge of the headrest 2 can provide a strong supporting point for the user, so that the user can apply force to the pull ring 334 more stably.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (6)
1. The utility model provides a safety seat with adjustable headrest, includes the back of the chair, slidable locates the headrest of back of the chair, and be used for locking or unblock headrest regulation structure that headrest removed, its characterized in that, headrest regulation structure includes:
the gear rail is arranged on the chair back and is provided with a plurality of gear grooves along the length direction;
the gear unit is movably arranged on the headrest, so that when the headrest moves up and down along the chair back, the gear unit is sequentially opposite to each gear groove, and when the gear unit is opposite to one gear groove, the gear unit is suitable for moving into or away from the gear groove so as to lock or unlock the headrest;
an elastic element provided between the gear unit and the headrest, adapted to continuously apply a force to the gear unit to move into the gear groove, so as to lock the headrest;
the unlocking piece comprises a fixed section, a deformation section and a movable section, wherein two ends of the deformation section are respectively connected with the fixed section and the movable section, the fixed section is fixedly arranged at the lower end of the headrest, the movable section extends to the upper end of the headrest, the deformation section is opposite to the gear unit, the deformation section is suitable for being elastically deformed by applying external force to the movable section, and the gear unit is driven to move when the deformation section is elastically deformed so as to unlock the headrest;
the headrest is provided with a mounting base, the mounting base is provided with a mounting cavity, the gear unit comprises a gear moving part and a gear rod, the gear moving part is movably arranged in the mounting cavity, and the gear rod is arranged at the outer end of the gear moving part.
2. The headrest-adjustable safety seat according to claim 1, wherein the shift lever is opposite the shift slot, the shift lever moving into or away from the shift slot when the shift movable member moves along the mounting cavity.
3. The headrest-adjustable safety seat according to claim 2, wherein one end of the elastic element abuts against the mounting base, the other end abuts against the shift position movable member, the elastic element is adapted to continuously apply a force to the shift position movable member to hold the shift position lever in the shift position groove, and an inner end of the shift position movable member extends toward the deformation section, and is adapted to apply a force to the shift position movable member in a direction opposite to a force applied by the elastic element when the deformation section is deformed.
4. The headrest-adjustable safety seat according to claim 3, wherein the middle part of the deformation section arches toward the front of the seatback, the shift range moving member is located rearward of the deformation section, and the inner end of the shift range moving member abuts against the arching part of the deformation section, so that when the movement section moves upward under the action of an external force, the arching part of the deformation section is straightened and moves toward the shift range moving member.
5. The headrest-adjustable safety seat according to any one of claims 1-4, wherein the upper end of the movable section is provided with a pull ring.
6. The headrest-adjustable safety seat according to claim 5, wherein the tab is at an upper edge of the headrest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474210.2A CN108657033B (en) | 2018-05-17 | 2018-05-17 | Safety seat with adjustable headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474210.2A CN108657033B (en) | 2018-05-17 | 2018-05-17 | Safety seat with adjustable headrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108657033A CN108657033A (en) | 2018-10-16 |
| CN108657033B true CN108657033B (en) | 2024-03-01 |
Family
ID=63776162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474210.2A Active CN108657033B (en) | 2018-05-17 | 2018-05-17 | Safety seat with adjustable headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108657033B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11440446B2 (en) | 2019-01-10 | 2022-09-13 | Wonderland Switzerland Ag | Child restraint system |
| US11447047B2 (en) | 2019-01-10 | 2022-09-20 | Wonderland Switzerland Ag | Child safety seat |
| US11155188B2 (en) * | 2019-01-10 | 2021-10-26 | Wonderland Switzerland Ag | Child restraint system and adjustable headrest assembly thereof |
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| BRPI0908600B1 (en) * | 2008-03-21 | 2020-02-11 | Innotec, Corp. | METHOD OF FORMING A NOTCH IN A PIECE, AND, MACHINE FOR FORMING A NOTCH IN A PIECE |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108657033A (en) | 2018-10-16 |
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