CN209938385U - Liftable formula children use headrest - Google Patents
Liftable formula children use headrest Download PDFInfo
- Publication number
- CN209938385U CN209938385U CN201920148527.7U CN201920148527U CN209938385U CN 209938385 U CN209938385 U CN 209938385U CN 201920148527 U CN201920148527 U CN 201920148527U CN 209938385 U CN209938385 U CN 209938385U
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- China
- Prior art keywords
- headrest
- seat body
- children
- inner chamber
- pull rod
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a liftable formula headrest for children, the on-line screen storage device comprises a base, the top right side screw connection of base has headrest mechanism, headrest mechanism is including the seat body, the bottom of seat body and the top right side screw connection of base, the inner chamber right side surface of seat body has from last to all having seted up the gear hole down, the inner chamber of seat body is pegged graft and is had the headrest, just two pull rods of headrest are located the front and back both sides inner chamber of seat body respectively, the pull rod inner chamber bottom joint of headrest has the one end of extension spring, the other end joint of extension spring has the slider, the top left and right sides of slider respectively the one end of screw connection with the pull ring and the one end of safety belt, the other end of pull ring extends the pull rod upper surface of headrest. This liftable formula headrest for children, the operation of being convenient for, the headrest can carry out altitude mixture control according to children's head position, can provide favorable protection to children's head, more does benefit to the popularization.
Description
Technical Field
The utility model relates to a children's seat technical field specifically is a liftable formula headrest for children.
Background
Automobile children safety seat is exactly one kind and specially designs for children, installs in the car, can effectively improve children's safe seat of taking a bus, the protection of headrest mainly used children's head on the seat, and current children safety seat is highly adjusted to the headrest mostly not convenient for, because children's size diverse leads to the not stable fixing of children's head in the headrest, has the potential safety hazard, is unfavorable for promoting.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liftable formula children use headrest to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a liftable headrest for children comprises a base, wherein a headrest mechanism is connected to the right side of the top end of the base through a screw;
the headrest mechanism comprises a seat body, the bottom of the seat body is in screw connection with the right side of the top of a base, the right side surface of the inner cavity of the seat body is provided with gear holes from top to bottom, a headrest is inserted into the inner cavity of the seat body, two pull rods of the headrest are respectively positioned in the inner cavities of the front side and the rear side of the seat body, one end of a tension spring is clamped at the bottom end of the inner cavity of the pull rod of the headrest, a slide block is clamped at the other end of the tension spring, the left side and the right side of the top end of the slide block are respectively in screw connection with one end of a pull ring and one end of a safety belt, the other end of the pull ring extends out of the upper surface of the pull rod of the headrest, the other end of the safety belt extends out of the left outer wall of the headrest and is sewn with the top end of the outer wall, the left side of the positioning pin extends out of an inner cavity of the pressing plate to be in contact with the right side of the sliding block, the right side of the positioning pin extends out of the outer wall of the right side of the pressing plate to be inserted into the inner cavity of the gear hole, and the outer wall of the positioning pin is sleeved with a pressure spring.
Preferably, a plurality of gear holes are arranged on the right side of the inner cavity of the seat body from top to bottom in a clearance mode, and the distance between every two adjacent gear holes is 5 cm.
Preferably, the upper end face and the lower end face of the right side of the sliding block are both inclined planes, and the inclination angle is 45 degrees.
Preferably, the length of the positioning pin extending into the gear hole is smaller than the thickness of the sliding block.
Compared with the prior art, the beneficial effects of the utility model are that: this liftable formula headrest for children, in the time of the in-service use, upwards pull up when the pull ring, drive slider rebound extrusion locating pin, the locating pin breaks away from with the gear hole under the spring action of pressure spring left side shift, alright reciprocate the headrest, when loosening the pull ring, the extension spring can make slider rebound under self pulling force effect, it is downthehole to push the locating pin to move the gear that inserts corresponding position to the right side simultaneously, headrest after the removal realizes fixedly, thereby the device is convenient for operate, the headrest can carry out altitude mixture control according to children's head position, can provide favorable protection to children's head, more do benefit to the popularization.
Drawings
Fig. 1 is a front sectional view of the headrest mechanism of the present invention in a locked state;
fig. 2 is a front view of the headrest mechanism of the present invention;
FIG. 3 is an enlarged view of the point A of the present invention;
fig. 4 is a front cross-sectional view of the headrest mechanism of the present invention;
fig. 5 is a front cross-sectional view of the headrest mechanism in an unlocked state.
In the figure: 1. the seat comprises a base, 2, a headrest mechanism, 201, a seat body, 202, a gear hole, 203, a headrest, 204, a tension spring, 205, a sliding block, 206, a pull ring, 207, a pressing plate, 208, a positioning pin, 209, a compression spring, 210 and a safety belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a lifting type headrest for children comprises a base 1, wherein a headrest mechanism 2 is connected to the right side of the top end of the base 1 through a screw;
the headrest mechanism 2 comprises a seat body 201, the bottom end of the seat body 201 is in screw connection with the right side of the top end of a base 1, the right side surface of the inner cavity of the seat body 201 is provided with gear holes 202 from top to bottom, a headrest 203 is inserted into the inner cavity of the seat body 201, two pull rods of the headrest 203 are respectively positioned in the inner cavities of the front side and the rear side of the seat body 201, the headrest 203 is U-shaped and is convenient for fixing and protecting the head of a child, one end of a tension spring 204 is clamped at the bottom end of the pull rod inner cavity of the headrest 203, the tension spring 204 is a rotating spring and has an elastic coefficient of 25N/CM, the tension spring 204 generates elastic deformation after being stretched and is restored to an initial state after external force is removed, the tension spring 204 provides a downward tension force for a sliding block 205, a sliding block 205 is clamped at the other end of the tension spring 204, the left side and the right side of the top end of the sliding block 205 are respectively, the other end of the safety belt 210 extends out of the left outer wall of the headrest 203 and is sewn and connected with the top end of the outer wall of the pull ring 206, the safety belt 210 can move along with the headrest 203 and can fix and protect children with different body types, a pressing plate 207 is embedded in the bottom end of the right side of the pull rod inner cavity of the headrest 203, the right side of the pressing plate 207 extends out of the pull rod outer wall of the headrest 203, a positioning pin 208 is inserted into the inner cavity of the pressing plate 207, the upper end face and the lower end face of the left side of the positioning pin 208 are inclined faces, the positioning pin 208 can be conveniently extruded by the slider 205 to move towards the right side, the inner cavity of the pressing plate 207, which extends out of the left side of the positioning pin 208, is contacted with the right side of the slider 205, the right side of the positioning pin 208 is inserted into the inner cavity of the gear, the spring 209 provides a spring force to the left for the positioning pin 208 when the external force is removed and the spring returns to its original state.
Preferably, the plurality of shift holes 202 are arranged on the right side of the inner cavity of the seat body 201 from top to bottom with a gap, and the distance between every two adjacent shift holes 202 is 5cm, so that the headrest 203 after moving is conveniently fixed through the plurality of shift holes 202.
Preferably, both upper and lower end surfaces of the right side of the slider 205 are inclined at an angle of 45 degrees, and when the slider 205 moves downward under the pulling force of the tension spring 204, the positioning pin 208 moves to the right side under the inclined surface of the slider 205 and is inserted into the gear hole 202.
Preferably, the length of the positioning pin 208 extending into the shift position hole 202 is smaller than the thickness of the slider 205, and the positioning pin 208 can move to the left side by a sufficient distance under the elastic force of the compression spring 209, so as to ensure that the positioning pin 208 can be disengaged from the shift position hole 202.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the height of the headrest 203 needs to be adjusted, the pull ring 206 is pulled upwards, the slide block 205 is enabled to move upwards to stretch the tension spring 204, the slide block 205 is enabled to release the fixation of the positioning pin 208, the pressure spring 209 pushes the positioning pin 208 to move towards the left side under the action of self elasticity to be separated from the gear hole 202, the fixation of the headrest 203 is released, the headrest 203 is pushed upwards or downwards according to the head position of a child until the headrest 203 wraps the head, the pull ring 206 is released, the tension spring 204 pulls the slide block 205 to move downwards under the action of self elasticity, and the slide block 205 is enabled to extrude the positioning pin 208 to move towards the right side to be inserted into the gear hole 202 at the corresponding position due to the fact that the bottom end surface of the right side of the slide block 205 is an inclined surface, so that the height adjustment of the headrest 203 is achieved, the headrest is suitable for being.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" and "pivot" and "snap" and "weld" and "screw" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a liftable formula headrest for children, includes base (1), its characterized in that: the right side of the top end of the base (1) is connected with a headrest mechanism (2) through a screw;
the headrest mechanism (2) comprises a seat body (201), the bottom end of the seat body (201) is in screw connection with the right side of the top end of a base (1), gear holes (202) are formed in the right side surface of the inner cavity of the seat body (201) from top to bottom, a headrest (203) is inserted into the inner cavity of the seat body (201), two pull rods of the headrest (203) are respectively located in the inner cavities of the front side and the rear side of the seat body (201), one end of a tension spring (204) is clamped at the bottom end of the pull rod inner cavity of the headrest (203), a sliding block (205) is clamped at the other end of the tension spring (204), one end of a pull ring (206) and one end of a safety belt (210) are respectively in screwed connection with the left side and the right side of the top end of the sliding block (205), the other end of the pull ring (206) extends out of the upper surface of the pull rod of the headrest (203), and the other end of the safety belt (210) extends out, the utility model discloses a headrest structure, including headrest (203), pull rod, locating pin (208), slide block (205), pressure spring (209) are connected to the right side of pull rod inner chamber right side bottom of headrest (203), the pull rod outer wall of headrest (203) is extended on the right side of pressure plate (207), the inner chamber of pressure plate (207) is pegged graft and is had locating pin (208) in the inner chamber of pressure plate (208), the left side of locating pin (208) is extended the inner chamber of pressure plate (207) and is contacted with the right side of slide block (205), the right side of locating pin (208) is extended the right side outer wall of pressure plate (.
2. The liftable headrest for children of claim 1, wherein: the plurality of gear holes (202) are arranged on the right side of the inner cavity of the seat body (201) from top to bottom in a clearance mode, and the distance between every two adjacent gear holes (202) is 5 cm.
3. The liftable headrest for children of claim 1, wherein: the upper end face and the lower end face of the right side of the sliding block (205) are both inclined planes, and the inclination angle is 45 degrees.
4. The liftable headrest for children of claim 1, wherein: the length of the positioning pin (208) extending into the gear hole (202) is less than the thickness of the sliding block (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148527.7U CN209938385U (en) | 2019-01-29 | 2019-01-29 | Liftable formula children use headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148527.7U CN209938385U (en) | 2019-01-29 | 2019-01-29 | Liftable formula children use headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209938385U true CN209938385U (en) | 2020-01-14 |
Family
ID=69122682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920148527.7U Expired - Fee Related CN209938385U (en) | 2019-01-29 | 2019-01-29 | Liftable formula children use headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209938385U (en) |
-
2019
- 2019-01-29 CN CN201920148527.7U patent/CN209938385U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |