CN210101398U - Automobile seat for children - Google Patents
Automobile seat for children Download PDFInfo
- Publication number
- CN210101398U CN210101398U CN201920187435.XU CN201920187435U CN210101398U CN 210101398 U CN210101398 U CN 210101398U CN 201920187435 U CN201920187435 U CN 201920187435U CN 210101398 U CN210101398 U CN 210101398U
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- Prior art keywords
- shelf device
- emergency
- shelf
- leg protection
- seat
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- Withdrawn - After Issue
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000009471 action Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
A child car seat comprises a seat part and an emergency leg protection shelf device, wherein the upper part of the emergency leg protection shelf device is rotatably arranged at the front part of the seat part, and a one-way positioning mechanism which allows the emergency leg protection shelf device to be lifted upwards but prohibits the emergency leg protection shelf device from freely falling downwards is arranged between the emergency leg protection shelf device and the seat part. When receiving the powerful inertia impact force that arouses by the car collision, emergent leg guard shelf device lifts up and extends forward with infant's shank together, lifts up the back emergent leg guard shelf device and receives the restriction of one-way positioning mechanism, forbids its drop and reset, and emergent leg guard shelf device is locked in the position that extends forward promptly to the shank formation supporting role of bounceing the infant avoids the action that infant's shank fell back, plays great guard action to the shank joint.
Description
Technical Field
The utility model relates to a children's car seat.
Background
In order to ensure the safety of an infant in a car, a child car seat is widely installed on a seat of a car, and the infant sits in the child car seat and is restrained by a safety belt. However, when the car actually collides, due to the strong inertia impact, all objects including people in the car are inclined forward at a high speed and strongly, the body of the infant is bound in the car seat, but the lower leg part extends forward and then falls down and rebounds to the seat, so that the leg joints are impacted strongly due to the instantaneous folding and unfolding action generated by the external force, and the joints of the infant are fragile, and the strong impact force can damage the leg joints greatly.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a children's car seat.
In order to solve the technical problem, the utility model discloses a technical scheme is: a child car seat comprises a seat part and an emergency leg protection shelf device, wherein the upper part of the emergency leg protection shelf device is rotatably arranged at the front part of the seat part, and a one-way positioning mechanism which allows the emergency leg protection shelf device to be lifted upwards but prohibits the emergency leg protection shelf device from freely falling downwards is arranged between the emergency leg protection shelf device and the seat part.
In some embodiments, the emergency leg-protection shelf device includes a shelf, two side wings movably disposed at left and right sides of the shelf, and a side wing control mechanism for controlling the side wings to lift up relative to the shelf while the emergency leg-protection shelf device is lifted up relative to the seat portion.
In some embodiments, the side wing control mechanism includes a crankshaft rotatably connected to the shelf at the middle part, and a swing groove provided on the side wing and opened in a direction of the shelf toward the notch, the swing groove extending in the up-down direction, the crankshaft includes a shaft rod section located at the middle part and swing rod sections symmetrically located at the two end parts, and the swing rod sections are inserted into the swing groove.
In some embodiments, the lateral wing control mechanism further includes a connecting rod having one end pivotally connected to the seat portion about a first axis, and a crankshaft wobble plate is fixed to the rod segment and pivotally connected to the other end of the connecting rod about a second axis.
In some embodiments, the wing is pivotally connected to the shelf about a wing axis, the wing axis extending in an up-down direction.
In some embodiments, the emergency leg guard shelf device includes a bracket having an upper portion rotatably disposed at a front portion of the seat portion, a shelf slidably disposed on the bracket in an up-down direction, and a shelf elastic member retracting the shelf and the bracket relatively.
In some embodiments, the emergency leg rest shelving unit includes a bracket having an upper portion pivotally connected to the seat portion about an emergency axis extending horizontally left and right.
In some embodiments, the one-way positioning mechanism includes at least one oblique tooth groove, and a locking element rotatably connected to the seat portion about a locking element axis, the at least one oblique tooth groove is distributed at the upper end of the bracket along a circumferential direction centered on an axis of the emergency axis, and a locking element elastic element is disposed between the locking element and the seat portion to stably insert the locking tooth of the locking element into the corresponding oblique tooth groove.
In some embodiments, the one-way positioning mechanism further includes an unlocking disc connected to the upper end portion of the bracket around the emergency shaft, the unlocking disc and the upper end portion of the bracket are matched through a notch and a latch to realize rotation angle limiting, a boss portion exceeding the circumference of the slot opening of the helical tooth groove is arranged on the unlocking disc, when the unlocking disc is lifted upwards along with the emergency leg protection shelf device to rotate to the extreme position, the latch abuts against the boss portion, and when the unlocking disc is vertically fallen downwards along with the emergency leg protection shelf device to rotate to the extreme position, the boss portion deviates from the latch.
The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses seat front portion rotates and sets up emergent leg guard shelf device, when receiving the powerful inertia impact force that arouses by the car collision, emergent leg guard shelf device lifts up and extends forward with infant's shank portion together, lift up the restriction of emergent leg guard shelf device in back by one-way positioning mechanism, forbid its drooping to reset, emergent leg guard shelf device is locked in the position that extends forward promptly, thereby the shank formation supporting role of playing the infant, avoid the action that infant's shank fell back, play great guard action to the shank joint.
Drawings
FIG. 1 is a schematic front view of a child car seat (emergency leg guard shelf in a dropped position);
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 illustrates a first step of unlocking the emergency leg rest shelving unit locked in the extended position;
fig. 4 illustrates a second step of unlocking the emergency leg rest shelving unit locked in the extended position;
fig. 5 shows the emergency leg shield shelf device in a falling position after unlocking the emergency leg shield shelf device locked in the extended position;
FIG. 6 is a schematic front view of a child car seat (emergency leg shield shelf in extended position);
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 6;
FIG. 9 is an enlarged schematic view of FIG. 1 at D;
FIG. 10 is a perspective view of the seat, emergency leg shield shelf assembly and unidirectional positioning mechanism assembled together;
FIG. 11 is an exploded view of a seat portion, an emergency leg shield shelf device and a one-way positioning mechanism;
wherein, 1, a seat part; 2. an emergency leg shield shelf device; 20. a support; 21. an emergency shaft; 22. a shelf; 23. a shelf elastic member; 24. a crankshaft; 241. a swing rod section; 242. a shaft section; 243. a crankshaft pendulum piece; 25. a side wing; 251. a swinging groove; 26. a connecting rod; 27. a first shaft; 28. a second shaft; 29. a wing shaft; 3. a one-way positioning mechanism; 31. a lock; 311. locking teeth; 32. a locking piece elastic piece; 33. an oblique gullet; 34. unlocking the disc; 341. a boss portion; 35. a locking member shaft.
Detailed Description
A child car seat generally includes a seat portion 1, a base located below the seat portion 1, a cloth cover wrapped around the seat portion, and the like.
As shown in the figures, the child car seat further comprises an emergency leg protection shelf device 2 with the upper portion rotatably arranged at the front portion of the seat portion 1, the rotary arrangement means that the upper portion of the emergency leg protection shelf device 2 can rotate relative to the front portion of the seat portion 1, the upper portion of a support 20 of the emergency leg protection shelf device 2 is connected with the upper portion of the seat portion 1 through a pivot shaft 21, and other forms can be adopted, for example, the upper portion of the support 20 is embedded in the front portion of the seat portion 1 through a ball joint to realize up-and-down rotation, and the like.
A one-way positioning mechanism 3 which allows the emergency leg-protection shelf device 2 to be lifted up but prohibits the emergency leg-protection shelf device 2 from freely falling down is provided between the emergency leg-protection shelf device 2 and the seat part 1.
As for the one-way positioning mechanism 3, the mechanism of this embodiment is simple, as shown in fig. 2, a plurality of oblique tooth grooves 33 are directly arranged on the upper portion of the bracket 20 along the circumferential direction with the axis of the emergency shaft 21 as the center of the circle, a locking piece 31 is rotatably connected to the seat portion 1 around a locking piece shaft 35, and a locking piece elastic piece 32 is arranged between the locking piece 31 and the seat portion 1 so that the locking tooth 311 of the locking piece 31 has a tendency to move toward the upper portion of the bracket 20. When the emergency leg protection shelf device 2 is lifted, the locking teeth 311 abut against the inclined surfaces of the inclined tooth grooves 33 and easily pass through the inclined tooth grooves 33 one by one. As shown in fig. 6 and 8, when the emergency leg-protection shelf device 2 is in the extended position, the locking tooth 311 is inserted into a corresponding helical tooth groove 33, so that the emergency leg-protection shelf device 2 cannot freely fall, and at this time, the locking tooth 311 is blocked on the straight blocking surface of the helical tooth groove 33, and the bracket 20 cannot rotate downwards. The locking piece elastic member 32 stably inserts the locking teeth 311 into the corresponding helical tooth grooves 33. The emergency leg shield shelving unit 2 can only be dropped downwardly when the locking teeth 311 are forced out of all of the skewed tooth slots 33.
In this case, the lock 31 is provided on the seat portion, and the oblique teeth groove 33 as the shift position is provided on the upper portion of the bracket 20. The one-way positioning mechanism 3 can also adopt other schemes, not shown in the figure, for example, a tooth surface is vertically arranged at the front lower part of the seat part 1, a plurality of oblique tooth edge grooves are distributed on the tooth surface up and down, one end part of the lock rod is connected on the emergency leg protection shelf device 2 in a rotating way, the other end part of the lock rod can be stably matched with the oblique tooth edge grooves on the tooth surface in an inserting way under the action of the elastic part of the lock rod, and the emergency leg protection shelf device 2 can only drop downwards when the lock rod is controlled by external force to withdraw from all the oblique tooth edge grooves.
The locking teeth 311 need to be controlled by external force to be separated from the inclined tooth grooves 33, and the emergency leg protection shelf device 2 can be hung and reset. An unlock button may be provided on the seat 1 to rotate or slide directly to control the locking teeth 311 to exit the corresponding angled teeth slots 33. However, in this embodiment, based on the factors that the exterior appearance of the car seat is not damaged, the control operation is convenient, and the like, the unlocking disc 34 is directly connected to the upper end portion of the bracket 20 around the emergency shaft 21, as shown in fig. 3-5 and 11, the unlocking disc 34 and the upper end portion of the bracket 20 are matched with each other through the notch and the latch to realize the rotation angle limitation, that is, the unlocking disc 34 and the bracket 20 can rotate relatively but only rotate within a certain angle range. The positions of the notch and the latch are not limited, in this embodiment, an arc notch is formed on the edge of the upper end of the bracket 20, and the latch is arranged on the edge of the unlocking disc 34. And vice versa. The unlocking disk 34 also has a boss portion 341 thereon, and the boss portion 341 exceeds the circumference of the notch of the skewed tooth groove 33.
When the emergency leg guard shelf device 2 is locked at the extended position, as shown in fig. 6 and 8, the emergency leg guard shelf device 2 is lifted upwards and rotated towards the limit position, the unlocking disc 34 rotates upwards and anticlockwise along with the support 20, the boss portion 341 moves to the inclined tooth groove 33 to abut against the locking tooth 311, and the locking tooth 311 is pushed out of the inclined tooth groove 33 by overcoming the elastic force of the locking piece elastic piece 32, so that the locking tooth 311 loses the locking function, and the emergency leg guard shelf device 2 can be vertically reset. When the emergency leg-protecting shelf device 2 falls downwards to the limit position and rotates, the unlocking disc 34 rotates downwards and clockwise along with the support 20, the boss part 341 deviates from the locking tooth 311 and is positioned above the locking tooth 311, and the locking tooth 311 restores the locking function. The unlocking scheme is simple in structure and convenient to operate.
In order to enhance the leg-resting comfort of the emergency leg-protection shelf device 2 in the extended position, the emergency leg-protection shelf device comprises a shelf 22, two side wings 25 which are respectively pivoted to the left and right sides of the shelf 22 through side wing shafts 29, and a side wing control mechanism, wherein the side wing shafts 29 extend along the up-down direction. The side wings 25 may also be in contact with the shelf 22, and the two may be connected by a cloth cover. Or the side wings 25 may be slidably disposed back and forth with the shelf 22.
In short, the wing control means controls the wings 25 such that the emergency leg shield shelf device 2 is lifted upward with respect to the seat portion 1 and the wings 25 on both sides are also lifted upward with respect to the shelf 22.
In this embodiment, as shown in fig. 9-11, the wing control mechanism includes a crankshaft 24, the crankshaft 24 includes a shaft rod section 242 located in the middle and extending in a straight line left and right direction, and swing rod sections 241 located symmetrically at two ends, an angle exists between the swing rod sections 241 and the shaft rod section 242, and the shaft rod section 242 is rotatably connected to the shelf 22. The wing control mechanism further includes a swing groove 251 formed in the wing 25 with a notch facing the shelf 22, and the swing groove 251 extends in the vertical direction. Based on the consideration of processing and manufacturing, each side wing 25 comprises a side wing body and a regulating block fixed on the side wing body, and the swinging groove is formed in the regulating block. The swing rod segment 241 is inserted in the swing groove 251. Due to the angle between the swing link segment 241 and the shaft segment 242, when the shaft segment 242 rotates, the swing link segment 241 moves in the swing slot 251, thereby driving the side wing 25 to rotate relative to the shelf 22.
As shown in fig. 7 and 8, in the present embodiment, the flap control mechanism further includes a connecting rod 26 having an upper end pivotally connected to the seat portion 1 about a first axis 27, a crankshaft swinging plate 243 is fixed to the shaft segment 242, and the crankshaft swinging plate 243 is pivotally connected to a lower end of the connecting rod 26 about a second axis 28. The emergency shaft 21, the shaft rod section 242, the first shaft 27 and the second shaft 28 form a link mechanism by the seat part 1, the connecting rod 26, the crankshaft swinging sheet 243, the shelf 22 and the bracket 20, and when the emergency leg protection shelf device 2 extends forwards, the link mechanism deforms, the driving shaft rod section 242 rotates, so that the swinging rod sections 241 on two sides drive the side wings 25 on two sides to lift upwards relative to the shelf 22.
In the present embodiment, the shelf 22 is provided on the bracket 20 so as to be slidable in the vertical direction, that is, the shelf 22 and the bracket 20 form a telescopic link relationship, and the transformation operation is gentle and smooth by taking advantage of the above-described deformation of the link mechanism as the telescopic link relationship. The shaft segment 242 is rotatably driven and the relatively retracted shelf elastic member 23 is also disposed therebetween. The shelf elastic member 23 may be provided between the shelf 22 and the bracket 20, or the shelf elastic member 23 may be provided between the shelf 22 and the seat portion 1. In this embodiment, the shelf elastic member 23 may be disposed between the shaft segment 242 and the seat part 1.
In this embodiment, the side wing control mechanism drives the shaft rod section 242 to rotate by means of a link mechanism, and besides, a gear driving method may be adopted, which is not shown, for example, the shelf 22 and the bracket 20 are fixed relatively to each other to form a whole. The fluted disc is arranged at the front part of the seat part 1, the fluted disc is also arranged on the shaft rod section 242, the two fluted discs are directly or indirectly meshed, and the shaft rod section 242 is driven to rotate through the meshing cooperation of the fluted discs in the lifting process of the bracket 20.
The above terms of direction such as up, down, left, right, etc. are referred to in a state where the emergency leg shield shelf device 2 is dropped. And the direction facing the front of the child car seat is taken as the front.
The utility model discloses seat front portion rotates and sets up emergent leg guard shelf device, when receiving the powerful inertia impact force that arouses by the car collision, emergent leg guard shelf device lifts up and extends forward with infant's shank portion together, it receives the restriction of one-way positioning mechanism to lift up emergent leg guard shelf device in back, forbid its whereabouts to reset, this mechanism is also suitable for through artifical manual regulation equally, because upper portion at support 20 has set up a plurality of skewed tooth grooves 33 along the circumferencial direction distribution that uses emergent axle 21 as the centre of a circle, every skewed tooth groove 33 corresponds the angular position of an emergent leg guard shelf device, upwards adjust emergent leg guard shelf device through manual, in order to be suitable for the leg rest needs of children when riding. When the emergency leg protection shelf device needs to be reset, the emergency leg protection shelf device is rotated upwards to the limit position and then put down.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. A child car seat comprising a seat portion (1), characterized in that: the emergency leg protection shelf device is characterized by further comprising an emergency leg protection shelf device (2) with the upper portion rotatably arranged at the front portion of the seat portion (1), and a one-way positioning mechanism (3) allowing the emergency leg protection shelf device (2) to be lifted upwards but prohibiting the emergency leg protection shelf device from freely falling downwards is arranged between the emergency leg protection shelf device (2) and the seat portion (1).
2. A child car seat according to claim 1, wherein: the emergency leg protection shelf device (2) comprises a shelf (22), two side wings (25) and a side wing control mechanism, wherein the two side wings (25) are respectively and movably arranged at the left side part and the right side part of the shelf (22), the side wing control mechanism controls the side wings (25), and the emergency leg protection shelf device (2) is lifted upwards relative to the shelf (22) while being lifted upwards relative to the seat part (1).
3. A child car seat according to claim 2, wherein: the side wing control mechanism comprises a crankshaft (24) with the middle part rotatably connected to the shelf (22) and a swing groove (251) which is formed in the direction of the notch on the side wing (25) towards the shelf (22), the swing groove (251) extends along the vertical direction, the crankshaft (24) comprises a shaft rod section (242) located in the middle part and swing rod sections (241) symmetrically located at two end parts, and the swing rod sections (241) are inserted into the swing groove (251).
4. A child car seat according to claim 3, wherein: the side wing control mechanism further comprises a connecting rod (26) with one end part pivotally connected with the seat part (1) around a first shaft (27), a crankshaft swinging piece (243) is fixed on the shaft rod section (242), and the crankshaft swinging piece (243) is pivotally connected with the other end part of the connecting rod (26) around a second shaft (28).
5. A child car seat according to claim 2, wherein: the side wings (25) are pivotally connected to the shelf (22) about side wing shafts (29), and the side wing shafts (29) extend in the vertical direction.
6. A child car seat according to claim 1, wherein: the emergency leg protection shelf device (2) comprises a support (20) with the upper part rotatably arranged at the front part of the seat part (1), a shelf (22) arranged on the support (20) in a sliding manner along the vertical direction, and a shelf elastic piece (23) enabling the shelf (22) and the support (20) to be relatively retracted.
7. A child car seat according to claim 1, wherein: the emergency leg protection shelf device (2) comprises a support (20), and the upper part of the support (20) is in pivot connection with the seat part (1) around an emergency shaft (21) which horizontally extends left and right.
8. Child car seat according to claim 7, characterized in that: unidirectional positioning mechanism (3) include at least one skewed tooth groove (33), rotate around a locking piece axle (35) and connect and be in locking piece (31) on seat portion (1), at least one skewed tooth groove (33) along with the circumferencial direction distribution that the axle center of emergent axle (21) is the centre of a circle is in support (20) upper end, locking piece (31) with be provided with between seat portion (1) and make locking piece (31) lock tooth (311) insert steadily correspondingly locking piece elastic component (32) in skewed tooth groove (33).
9. Child car seat according to claim 8, characterized in that: the one-way positioning mechanism (3) further comprises an unlocking disc (34) connected to the upper end portion of the support (20) around the emergency shaft (21), the unlocking disc (34) and the upper end portion of the support (20) are matched through a notch and a latch to achieve rotation angle limiting, a boss portion (341) exceeding the circumference where the notch of the skewed tooth groove (33) is located is arranged on the unlocking disc (34), when the unlocking disc (34) is lifted upwards along with the emergency leg protection shelf device (2) to rotate to the position below the limit, the lock tooth (311) abuts against the boss portion (341), and when the unlocking disc (34) is vertically dropped downwards along with the emergency leg protection shelf device (2) to rotate to the position below the limit, the boss portion (341) deviates from the lock tooth (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187435.XU CN210101398U (en) | 2019-02-02 | 2019-02-02 | Automobile seat for children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187435.XU CN210101398U (en) | 2019-02-02 | 2019-02-02 | Automobile seat for children |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210101398U true CN210101398U (en) | 2020-02-21 |
Family
ID=69530664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920187435.XU Withdrawn - After Issue CN210101398U (en) | 2019-02-02 | 2019-02-02 | Automobile seat for children |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210101398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624804A (en) * | 2019-02-02 | 2019-04-16 | 昆山好的婴童用品有限公司 | Automobile seat for child |
-
2019
- 2019-02-02 CN CN201920187435.XU patent/CN210101398U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624804A (en) * | 2019-02-02 | 2019-04-16 | 昆山好的婴童用品有限公司 | Automobile seat for child |
| CN109624804B (en) * | 2019-02-02 | 2024-03-01 | 昆山好的婴童用品有限公司 | Automobile seat for children |
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Granted publication date: 20200221 Effective date of abandoning: 20240301 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200221 Effective date of abandoning: 20240301 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |