CN208069761U - A kind of children's seat and children trolley - Google Patents
A kind of children's seat and children trolley Download PDFInfo
- Publication number
- CN208069761U CN208069761U CN201721891225.6U CN201721891225U CN208069761U CN 208069761 U CN208069761 U CN 208069761U CN 201721891225 U CN201721891225 U CN 201721891225U CN 208069761 U CN208069761 U CN 208069761U
- Authority
- CN
- China
- Prior art keywords
- seat
- children
- backrest
- rotating member
- gear
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of children's seat and children trolleys, children's seat includes the seat frame with unfolded state and folded state, the locking mechanism for seat frame to be locked in unfolded state, seat frame includes backrest, seat board and pedestal, the lower part of backrest is rotated connection by the rear portion of rotation axis and seat board, the lower part of backrest is provided with rotating member, children's seat further includes the rack and pinion drive mechanism that rotating member and seat board are sequentially connected, so that when rotation is by unlucky, rotating member rotational driving gear rack gear drives seat board to slide；Children trolley includes children's seat above-mentioned；The children's seat of the utility model realizes fold after whole spacial diminution and only realize each component folding of children's seat by rotation axis and displacement or be unfolded to carry out with while displacement.
Description
Technical field
The utility model belongs to articles for children field, and in particular to a kind of children's seat and children trolley.
Background technology
Children's seat has foldable or not folding in the prior art, and the seat folded substantially relies on shaft or company
Fitting so that backrest and seat, seat base mutually draw close folding, however such folding mode often there is backrest can be excessively
Protrude from other rod pieces of seat base or cart, and then cause occupied space excessive in the folding of cart, at the same backrest with
Seat, the overlapping of seat base are incomplete, can still occupy larger space after foldable integral in length direction.
Such as Chinese patent CN205632624U discloses a kind of foldable seat pocket, including with unfolded state and rugosity
The seat pocket frame of state, for by seat pocket frame locking locking mechanism in the deployed state, the seat pocket frame to include backrest, rear portion
Seat, the provided at one being connect with the lower part phase pivot of the backrest are connected to backrest connector, one end pivot for leaning on back
Seating attachment couplings of the axis connection on the seat, the other end of the other end and the seating attachment couplings of the backrest connector
Phase pivot connects, and four-bar mechanism, the seat pocket frame are constituted between the backrest, seat, backrest connector and seating attachment couplings
Further include the footrest that rear portion is connect with the front phase pivot at the seat, when the seat pocket frame folds, the backrest with it is described
Footrest is mutually drawn close with respect to overturning.Although this patent realizes the folding of root decline, but backrest can make to lean on after folding with seat
The back of the body is excessively protruded relative to seat, and then can occupy larger space in the longitudinal direction, is unfavorable for actual application.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of improved child seat
Chair.
The utility model additionally provides a kind of children trolley.
In order to solve the above technical problems, a kind of technical solution that the utility model is taken is as follows：
A kind of children's seat includes seat frame with unfolded state and folded state, for locking the seat frame
In the locking mechanism of unfolded state, the seat frame includes backrest, seat board and pedestal, the lower part of the backrest by rotation axis with
The rear portion of the seat board rotates connection, and the lower part of the backrest is provided with rotating member, and the children's seat further includes will be described
The rack and pinion drive mechanism that is sequentially connected with the seat board of rotating member so that when rotation is described by unlucky, described turns
Moving part rotation drives the rack and pinion drive mechanism to drive the seat board to slide.
Some preferred aspects according to the present utility model, the rotating member is fixedly connected with the lower part of the backrest or one
Molding.
More according to the present utility model specific and preferred aspect, the rotation axis, the rotating member are respectively along institute
The left and right directions for stating children's seat extends, and the glide direction of the seat board is the front-rear direction of the children's seat.
In terms of more according to the present utility model specific and preferred, it is formed with along itself extension side on the rotating member
To the through-hole of extension, the rotation axis rotates with the seat board across the through-hole and connect.
More according to the present utility model specific and preferred aspect, when towards described in the rotation of the front of the children's seat
When backrest makes it be drawn close with the seat board, rotating member rotation drives the rack and pinion drive mechanism to drive the seat
Rear slide of the plate towards the children's seat.
A specific aspect according to the present utility model, the rack and pinion drive mechanism include being fixed at described turn
First gear on moving part, the second gear being meshed with the first gear, the first driving wheel, the second driving wheel, around being located at
Transmission belt, third gear between first driving wheel and second driving wheel, setting on the base and with it is described
The matched rack of third gear, rotate with the rear portion of the seat board and front the first wheel shaft connecting and the second wheel respectively
Axis；The second gear and first driving wheel are separately fixed on first wheel shaft, the third gear and described
Two driving wheels are separately fixed on second wheel shaft.
Preferably, the diameter of the first gear is more than the diameter of the second gear.
Preferably, it is formed with the first guide-localization sliding slot on the pedestal, there is interconnecting piece on the seat board, described the
It is respectively formed with protrusion at left and right sides of the top of one guide-localization sliding slot, is respectively formed at left and right sides of the interconnecting piece
With the matched second guide-localization sliding slot in the protrusion, the interconnecting piece is partly plugged in the first guide-localization sliding slot
Interior, when rotation is described by unlucky, the protrusion is opposite with the second guide-localization sliding slot to be slided, first wheel shaft, the
Great wheel arbor is rotatablely connected with the interconnecting piece respectively.
Some preferred aspects according to the present utility model, the children's seat have sitting posture, half lying posture used for children
With three kinds of use states of lying posture.
Another technical solution provided by the invention：A kind of children trolley, the children trolley further include as described above
Children's seat, the children's seat are removably disposed on the vehicle frame, alternatively, the vehicle frame, which includes at least, provides sitting
The pedestal of the seat bar of support, the children's seat constitutes the seat bar.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art：
The children's seat of the utility model is mutually being drawn close, may make backrest and seat board, pedestal in length direction after displacement
It overlaps to the greatest extent so that the concealment completely of seat board, pedestal only occupies behind the lower section of backrest, foldable integral in length direction
The length of backrest thereby reduces space and occupies.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the opening state of the utility model children's seat and conceals the overall structure diagram of seat board；
Fig. 2 is the opening state of the utility model children's seat and conceals the overall structure diagram of pedestal；
Fig. 3 is the overall structure diagram of the opening state of the utility model children's seat；
Fig. 4 is the overall structure diagram of the semi-collapsed condition of the utility model children's seat；
Fig. 5 is the overall structure diagram of the folded state of the utility model children's seat；
Fig. 6 is the mutual alignment of the second gear and the first driving wheel in one embodiment of the utility model children's seat
The structural schematic diagram of relationship, the mutual alignment relation of the second driving wheel and third gear；
Fig. 7 is the structural schematic diagram between the backrest and rotating member of the utility model children's seat；
Fig. 8 is the schematic diagram of half lying posture state of the utility model children's seat；
Fig. 9 is the schematic diagram of the lying posture state of the utility model children's seat；
Figure 10 is an application example schematic diagram of the utility model children's seat；
Wherein, 1, backrest；2, seat board；21, interconnecting piece；211, the second guide-localization sliding slot；3, pedestal；31, first to
Positioning runner；311, protrusion；4, rack and pinion drive mechanism；41, first gear；42, second gear；43, the first driving wheel；
44, the second driving wheel；45, third gear；46, transmission belt；（The corresponding modification of specific implementation）47, rack；48, the first wheel shaft；49,
Second wheel shaft；51, rotation axis；52, rotating member；521, through-hole；6, vehicle frame（Supporting base of seat）；7, first rotating shaft；8, second turn
Axis.
Specific implementation mode
Below in conjunction with the accompanying drawings and the preferred embodiment of the utility model is further described the utility model.
In the examples below, for convenience of describe, described in the definition about direction and it is left and right, upper and lower, forward and backward
For the orientation using children's seat as reference.
As shown in figures 1 to 6, a kind of children's seat is present embodiments provided, includes the seat with unfolded state and folded state
Chair frame, the locking mechanism for seat frame to be locked in unfolded state（Conventional structure in the prior art and routine side can be passed through
Formula is arranged, and is not repeated in the utility model）, seat frame includes backrest 1, seat board 2 and pedestal 3, and the lower part in 1 left side of backrest passes through
The rotation axis 51 extended along the left and right directions of children's seat rotates with the rear portion in 2 left side of seat board and connect, 1 right side of backrest
Lower part pass through the rear portion on 2 right side of a rotation axis 51 and seat board extended along the left and right directions of children's seat and rotate company
Connect, the lower part of the left and right sides of backrest 1 be also respectively provided with extend along the left and right directions of the children's seat and under backrest 1
Portion is fixedly connected lives integrally formed rotating member 52, wherein is formed on rotating member 52 and extends along itself extending direction
Through-hole 521, rotation axis 51 rotate with seat board 2 across through-hole 521 and connect, and children's seat further includes being located at a children's seat left side
Two pinion rack gears 4 of right both sides, are bounded on each side, and rack and pinion drive mechanism 4 connects rotating member 52 and the transmission of seat board 2
It connects so that when rotating backrest 1, rotating member 52 rotational driving gear rack gear 4 drives seat board 2 along children's seat
Front-rear direction slides.
In this example, when making it be drawn close with seat board 2 towards the front of children's seat rotation backrest 1, the rotation of rotating member 52 is driven
Moving gear rack gear 4 drives the seat board 2 towards the rear slide of children's seat.
As shown in Figure 1, being bounded on each side, rack and pinion drive mechanism 4 includes the first gear being fixed on rotating member 52
41, the second gear 42 that is meshed with first gear 41, the first driving wheel 43, the second driving wheel 44, around being located at the first driving wheel
43 and second transmission belt 46 between driving wheel 44, third gear 45, setting it is on the base 3 and matched with third gear 45
Rack 47, rotate with the rear portion of seat board 2 and front the first wheel shaft 48 and the second wheel shaft 49 connecting respectively；42 He of second gear
First driving wheel 43 is separately fixed on the first wheel shaft 48, and third gear 45 and the second driving wheel 44 are separately fixed at the second wheel shaft
On 49, the diameter of first gear 41 is more than the diameter of second gear 42；First wheel shaft 48, the second wheel shaft 49, rotating member 5 edge respectively
The left and right directions of children's seat extends and is mutually parallel.
By the way that rotating member 52, rack and pinion drive mechanism 4 are respectively set at left and right sides of children's seat, children are may make
Each component of seat is drawing close, be unfolded and displacement during is more flexible, whole more stable.
As shown in Figs 1-4, it is bounded on each side, the first guide-localization sliding slot 31 is formed on pedestal 3, there is interconnecting piece on seat board 2
21, protrusion 311, the left and right sides difference of interconnecting piece 21 are respectively formed at left and right sides of the top of the first guide-localization sliding slot 31
Be formed with 311 matched second guide-localization sliding slot 211 of protrusion, can be by rack 47 along the first guide-localization sliding slot 31
Extending direction is arranged at the middle part of the first guide-localization sliding slot 31, the first wheel shaft 48, the second wheel shaft 49 respectively with 21 turns of interconnecting piece
Dynamic connection, interconnecting piece 21 is partly plugged in the first guide-localization sliding slot 31, and when rotating backrest 1, protrusion 311 is led with second
It is slided to positioning runner 211 is opposite.By above-mentioned set-up mode, it may make seat board 2 in the process of the opposite sliding with pedestal 3
In, it will not only deviate preset glide direction but also the two is enabled to be combined together always, and enhance stability, i.e., first leads
Seat board 2 and guiding and positioning of the backrest 1 in displacement process, and this are realized to the cooperation of positioning runner 31 and interconnecting piece 21
Kind set-up mode may make 4 part of rack and pinion drive mechanism to be located in the first guide-localization sliding slot 31 so that children's seat is rolled over
The thickness of poststack further reduces, and reduces the space occupied.
As shown in figure 5, backrest 1 is slided backward relative to pedestal 3 together with seat board 2 until backrest 1 is drawn close completely with seat board 2
Together, at this point, pedestal 3 is completely in the lower section of backrest 1, and then after may make backrest 1, seat board 2,3 three of pedestal mutually to draw close
Entirety occupies space reduction.
As shown in fig. 6, be bounded on each side, by by second gear 42 and the first driving wheel 43, the second driving wheel 44 and third tooth
Wheel 45 is mutually arranged in a manner of being partially submerged into respectively, is conducive to be arranged on wheel shaft（First wheel shaft 48 and the second wheel shaft 49）When
The length for reducing wheel shaft, further can reduce child seat by the reduced width of the first guide-localization sliding slot 31, interconnecting piece 21
Chair occupies space.
As shown in fig. 7, rotating member 52 can be fixedly connected or be integrally formed with backrest 1, the lower part of backrest 1 is also formed with
Placement hole, rotation axis 51 can sequentially pass through the placement hole of one end, the through-hole 521 on rotating member 52 and the phase at 2 rear portion of seat board and turn
Dynamic connection.
As shown in FIG. 8 and 9, Fig. 8 is a use state of the children's seat of the utility model, i.e. half lying posture state, Fig. 9
For another use state of the children's seat of the utility model, i.e. lying posture state, the switching of use state by backrest 1 with
Angle difference between seat board 2 adjusts, and can adjust the angle as the case may be to switch other use states.Meanwhile it sitting
Appearance state can be the angle state that backrest 1 is formed with seat board 2 in Fig. 1-3, be not especially limited certainly, all can be according to actual
User adjusts specific angle.
Working method：When needing to fold, backrest 1 is rotated to the front of children's seat, at this point, backrest 1 drives rotating member
52 rotations, are bounded on each side, and rotating member 52 drives first gear 41 to be rotated to the front of children's seat, and first gear 41 then drives difference
Be fixed at second gear 42 on the first wheel shaft 48, the first driving wheel 43 is rotated to the rear of children's seat, fix respectively
The second driving wheel 44 for being arranged on the second wheel shaft 49, third gear 45 are then to before children's seat under the drive of transmission belt 46
Side's rotation, then third gear 45 can slide backward on the rack 47 being engaged with, and the first wheel shaft 48 and the second wheel shaft 49
Rotate and connect with the interconnecting piece 21 being formed on seat board 2 respectively, then seat board 2 can with third gear 45 on rack 47 backward
It is rearward slided together when sliding, backrest 1 is connect due to rotating with the rear portion of seat board 2, then can be slided together, to realize
Jackknife action is carried out with while displacement action, and displacement action can realize the transmission of power by rotating member 52, without additional
Additional component, has simplified mechanism so that structure is simpler.Expansion operation, which only need to rotate backward backrest 1, similarly to be realized,
This will not be repeated here.
As shown in Figure 10, each component in vehicle frame 6 or supporting base of seat 6 can be relative to first rotating shaft 7 and the second shaft 8
Rotation, and then realize and fold.When children's seat is formed on similar vehicle frame 6 or supporting base of seat 6, when needing to fold,
If the backrest 1 of children's seat and seat board 2 are unable to rearward displacement, can make children's seat when folding backrest 1 relative to vehicle
Frame 6 or supporting base of seat 6 excessively protrude in front, in turn result in overall volume and take up space excessive, the children of the utility model
When seat folds, backrest 1 is slided backward relative to pedestal 3 together with seat board 2 so that the children's seat of folded state is in length side
Upwards with after folding vehicle frame 6 or supporting base of seat 6 be adapted, lap is more, and then reduces volume, is conducive to deposit
It puts.If children's seat is detachably connected to by way of grafting on vehicle frame 6 or supporting base of seat 6, folding
When removable unload down complete jackknife action each independently, then reconfigure placement, naturally it is also possible to complete to fold together and collapse
Action.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this,
It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
- Include seat frame with unfolded state and folded state, for the seat frame to be locked in 1. a kind of children's seat The locking mechanism of unfolded state, the seat frame include backrest, seat board and pedestal, which is characterized in that the lower part of the backrest is logical It crosses rotation axis and rotates with the rear portion of the seat board and connect, the lower part of the backrest is provided with rotating member, and the children's seat is also Include the rack and pinion drive mechanism that the rotating member is sequentially connected with the seat board so that when the rotation backrest When, rotating member rotation drives the rack and pinion drive mechanism to drive the seat board to slide.
- 2. children's seat according to claim 1, which is characterized in that the lower part of the rotating member and the backrest, which is fixed, to be connected It connects or is integrally formed.
- 3. children's seat according to claim 1, which is characterized in that the rotation axis, the rotating member are respectively along institute The left and right directions for stating children's seat extends, and the glide direction of the seat board is the front-rear direction of the children's seat.
- 4. children's seat according to claim 1, which is characterized in that be formed with along itself extension side on the rotating member To the through-hole of extension, the rotation axis rotates with the seat board across the through-hole and connect.
- 5. children's seat according to claim 1, which is characterized in that when towards described in the rotation of the front of the children's seat When backrest makes it be drawn close with the seat board, rotating member rotation drives the rack and pinion drive mechanism to drive the seat Rear slide of the plate towards the children's seat.
- 6. children's seat according to claim 1, which is characterized in that the rack and pinion drive mechanism includes fixed setting First gear on the rotating member, the second gear being meshed with the first gear, the first driving wheel, the second transmission Wheel, the transmission belt around being located between first driving wheel and second driving wheel, third gear, setting are on the base And with the matched rack of the third gear, rotate respectively with the rear portion of the seat board and front the first wheel shaft connecting and Second wheel shaft；The second gear and first driving wheel are separately fixed on first wheel shaft, the third gear and Second driving wheel is separately fixed on second wheel shaft.
- 7. children's seat according to claim 6, which is characterized in that the diameter of the first gear is more than second tooth The diameter of wheel.
- 8. children's seat according to claim 6, which is characterized in that be formed with the first guide-localization cunning on the pedestal Slot has interconnecting piece on the seat board, protrusion is respectively formed at left and right sides of the top of the first guide-localization sliding slot, It is respectively formed at left and right sides of the interconnecting piece and the matched second guide-localization sliding slot in the protrusion, the interconnecting piece It is partly plugged in the first guide-localization sliding slot, when rotation is described by unlucky, it is fixed that the protrusion is oriented to described second Position sliding slot is opposite to be slided, and first wheel shaft, the second wheel shaft are rotatablely connected with the interconnecting piece respectively.
- 9. children's seat according to claim 1, which is characterized in that the children's seat has the seat used for children Three kinds of appearance, half lying posture and lying posture use states.
- 10. a kind of children trolley, including vehicle frame, which is characterized in that the children trolley further includes as claim 1 to 9 is any Children's seat described in, the children's seat is removably disposed on the vehicle frame, alternatively, the vehicle frame includes at least The seat bar of sitting support is provided, the pedestal of the children's seat constitutes the seat bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891225.6U CN208069761U (en) | 2017-12-29 | 2017-12-29 | A kind of children's seat and children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891225.6U CN208069761U (en) | 2017-12-29 | 2017-12-29 | A kind of children's seat and children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208069761U true CN208069761U (en) | 2018-11-09 |
Family
ID=64034194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721891225.6U Expired - Fee Related CN208069761U (en) | 2017-12-29 | 2017-12-29 | A kind of children's seat and children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208069761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100009A (en) * | 2017-12-29 | 2018-06-01 | 昆山百瑞康儿童用品有限公司 | A kind of children's seat and children trolley |
| CN111907576A (en) * | 2019-05-07 | 2020-11-10 | 明门瑞士股份有限公司 | Multi-seat infant stroller |
-
2017
- 2017-12-29 CN CN201721891225.6U patent/CN208069761U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100009A (en) * | 2017-12-29 | 2018-06-01 | 昆山百瑞康儿童用品有限公司 | A kind of children's seat and children trolley |
| CN111907576A (en) * | 2019-05-07 | 2020-11-10 | 明门瑞士股份有限公司 | Multi-seat infant stroller |
| CN111907576B (en) * | 2019-05-07 | 2022-11-04 | 明门瑞士股份有限公司 | Multi-seat infant stroller |
| US11654949B2 (en) | 2019-05-07 | 2023-05-23 | Wonderland Switzerland Ag | Multi child stroller |
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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 |
Granted publication date: 20181109 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |