CN209528620U - A kind of folding backrest structure for children dinning chair - Google Patents
A kind of folding backrest structure for children dinning chair Download PDFInfo
- Publication number
- CN209528620U CN209528620U CN201822006606.2U CN201822006606U CN209528620U CN 209528620 U CN209528620 U CN 209528620U CN 201822006606 U CN201822006606 U CN 201822006606U CN 209528620 U CN209528620 U CN 209528620U
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- CN
- China
- Prior art keywords
- backrest
- seat
- expansion
- folding
- clamping part
- 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
Links
- 230000000694 effects Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
- Special Chairs (AREA)
Abstract
A kind of folding backrest structure for children dinning chair, including seat and backrest, rotation axis and the movable expansion clamping part of elasticity are provided between seat and backrest, seat and backrest mutually rotate expansion by rotation axis or turn folding cooperation and at least realize expansion positioning by expansion clamping part when the two mutually rotates and is expanded to certain position.The improvement that the utility model passes through above structure, the engaged position of dining chair can be efficiently reduced, so that user the backrest of dining chair can be carried out folding storage when not in use, its have the characteristics that it is simple and reasonable, have excellent performance, fold that quick, easy to use, manufacturing cost is low, easy to produce, Yi Shixian, small in size and safe and reliable, it is practical.
Description
Technical field
The utility model relates to a kind of folding backrest structures for children dinning chair.
Background technique
Chinese patent literature number discloses a kind of folding dining chair for children on June 9th, 2010 for CN101721070A, it is wrapped
Seat mechanism, the locking mechanism for locking folding dining chair for children for including support frame, being set on support frame as described above, seat mechanism
Including seat frame, the seat being set on seat frame, support frame includes upper end and seat frame to be rotated company by third shaft
The first support frame, upper end and the seat frame connect by the 4th shaft rotate connection the second support frame, positioned at the bottom of bottom
The lower end of seat, the first support frame is rotatedly connect with pedestal by first rotating shaft, the lower end of the second support frame and pedestal
It is rotatedly connected by the second shaft, third shaft is located at the front of the 4th shaft, before first rotating shaft is located at the second shaft
Side, constitutes four-bar mechanism between seat frame, the first support frame, the second support frame and pedestal.The dining chair is unlocked in locking mechanism
When, by the deformation of four-bar mechanism to realize conversion of the folding dining chair for children between expanded position and folding position, but
It is that the dining chair of the structure also occupies many volumetric spaces after folding, and the step of folding is more complicated, is unable to satisfy user
Use demand.Therefore, it is necessary to be further improved.
Utility model content
The purpose of the utility model is to provide it is a kind of it is simple and reasonable, have excellent performance, fold it is quick, easy to use,
Manufacturing cost is low, easy to produce, Yi Shixian, the folding backrest structure for children dinning chair small in size and safe and reliable, to overcome
Shortcoming in the prior art.
Exist by a kind of folding backrest structure for children dinning chair that this purpose designs, including seat and backrest, feature
In: be provided with rotation axis and expansion clamping part between seat and backrest, seat and backrest mutually rotate by rotation axis be unfolded or
It turns folding cooperation and expansion positioning is at least realized by expansion clamping part when the two mutually rotates and is expanded to certain position.
The seat and it is respectively arranged with seat axis hole, backrest axis hole by back, rotation axis successively positions and is threaded through seat
On axis hole, backrest axis hole；The backrest rotates expansion by rotation axis or turns folding on the seat.
Described rotation axis one end is provided with positioning region, and the other end is provided with clamping portion, is additionally provided with clamping engagement by back
Portion, clamping engagement portion are located at backrest axis hole side and form certain spacing therebetween；It is fixed that described rotation axis one end passes through
Position portion is located on the outside of seat axis hole, seat axis hole is successively threaded through in the middle part of rotation axis, on backrest axis hole, the rotation axis other end is logical
Clamping portion clamping is crossed to be located in clamping engagement portion.
The expansion clamping part setting is on the seat；The backrest at least passes through exhibition when expansion turns to certain position
Open clamping part positioning on the seat.
The corresponding expansion clamping part of the seat is provided with clearance position, and expansion clamping part is suspended in clearance position and by keeping away
Vacancy elasticity activity is on the seat；The backrest at least passes through the elasticity of expansion clamping part when expansion turns to certain position
Automatic positioning on the seat, is positioned on the seat with realizing that backrest rotates expansion automatically；At least seat is located in backrest expansion
Clamping part was unfolded by tool or manual action when upper, expansion clamping part is movable on the seat by clearance position elasticity, expansion card
Buckle is mutually disengaged in elastic activity with backrest, and backrest and expansion clamping part are turned folding by rotation axis in seat when being detached from
On, wherein expansion clamping part and elastic reset when backrest disengaging to position always.
The effect position for tool or manual action is additionally provided on the expansion clamping part.
This structure further includes service plate, front chair leg and rear chair leg；Wherein, front chair leg and rear chair leg upper end are mutually rotatablely connected,
Service plate rotation expansion is turned folding in front chair leg and rear chair leg upper end, and seat front end is supported on front chair leg, rear end thereof exhibition
It opens or turns folding in rear chair leg.
The front chair leg and rear chair leg are respectively two-part setting, and two sections of front chair legs, which mutually rotate expansion or turn folding, matches
It closes, chair leg is mutually socketed telescopic slide cooperation after two sections；It is provided with transmission rotating bar between the front chair leg and rear chair leg, two
Person is unfolded or turns folding cooperation by being driven rotating bar and mutually rotating.
The utility model makes backrest can be rotated expansion or turn folding by the improvement of above structure using rotation axis
On seat, at the same be provided on the seat can the movable expansion clamping part of elasticity, when backrest turn to respect to seat expansion it is certain
When position, backrest will be automatically positioned on the seat by the elasticity of expansion clamping part, and backrest can be realized and rotate expansion automatically
Positioning on the seat, rotates user quickly and easily to backrest and is unfolded and is automatically positioned on the seat；User does not make
When with dining chair, it is only necessary to clamping part is unfolded by tool or manual action, the activity of expansion clamping part elasticity on the seat and with lean on
Back is mutually disengaged, and backrest and expansion clamping part can then be turned folding on the seat when being detached from by rotation axis, and backrest can be realized
It turns folding storage on the seat, efficiently reduces the engaged position of dining chair, make user when not in use can leaning on dining chair
Back carries out folding storage；Also, rotation expansion can be achieved between the service plate of dining chair, front chair leg and rear chair leg or turn folding to match
It closes, further reduces the engaged position of dining chair, also facilitate user to the expansion of dining chair and fold use, while it is unfolded
And folding storage polyvinyl chloride, conveniently, it operates extremely simple.
In terms of comprehensive, with it is simple and reasonable, have excellent performance, fold that quick, easy to use, manufacturing cost is low, easy
Production, Yi Shixian, it is small in size and safe and reliable the features such as, it is practical.
Detailed description of the invention
Fig. 1, Fig. 2 are the structural schematic diagram of the utility model first embodiment.
Fig. 3 is the seat and backrest assembling structure schematic diagram of the utility model first embodiment.
Fig. 4 is the seat and backrest decomposition texture schematic diagram of the utility model first embodiment.
Fig. 5 is enlarged structure schematic diagram at the A in Fig. 4.
Fig. 6 is enlarged structure schematic diagram at the B in Fig. 5.
Fig. 7 is the semi-collapsed condition schematic diagram of the utility model first embodiment.
Fig. 8 is the full folded state schematic diagram of the utility model first embodiment.
Fig. 9 is the seat and folding backrest status diagram of the utility model first embodiment.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1-Fig. 9, this is used for the folding backrest structure of children dinning chair, including seat 1 and backrest 2, seat 1 and backrest
Rotation axis 3 and expansion clamping part 4 are provided between 2, seat 1 and backrest 2 by the mutually rotation expansion of rotation axis 3 or turn folding
Cooperate and at least realizes that expansion positions by expansion clamping part 4 when the two mutually rotates and is expanded to certain position.
Further speaking, it is respectively arranged with seat axis hole 5, backrest axis hole 6 on seat 1 and backrest 2, rotation axis 3 is successively fixed
Position is threaded through seat axis hole 5, on backrest axis hole 6；The backrest 2 is by the rotation of rotation axis 3 expansion or turns folding in seat 1
On.
Further speaking, 3 one end of rotation axis is provided with positioning region 7, and the other end is provided with clamping portion 8, also sets up on backrest 2
There is clamping engagement portion 9, clamping engagement portion 9 is located at 6 side of backrest axis hole and forms certain spacing therebetween；Described turns
3 one end of moving axis is located in 5 outside of seat axis hole by positioning region 7, and 3 middle part of rotation axis is successively threaded through seat axis hole 5, backrest axis
On hole 6,3 other end of rotation axis is located in clamping engagement portion 9 by the clamping of clamping portion 8.
Further speaking, expansion clamping part 4 is arranged on seat 1；The backrest 2 at least turns to a positioning in expansion
It is located on seat 1 when setting by the way that clamping part 4 is unfolded.
Further speaking, the corresponding expansion clamping part 4 of seat 1 is provided with clearance position 10, and expansion clamping part 4 is suspended on clearance position
On 10 and by 10 elasticity activity of clearance position on seat chair 1；The backrest 2 at least leads to when expansion turns to certain position
The elasticity for crossing expansion clamping part 4 is automatically positioned on seat 1, to realize that rotation expansion is located on seat 1 backrest 2 automatically；Extremely
Few that clamping part 4 is unfolded by tool or manual action when the expansion of backrest 2 is located on seat 1, expansion clamping part 4 passes through empty avoiding
10 elasticity activity of position is on seat chair 1, and expansion clamping part 4 is mutually disengaged in elastic activity with backrest 2, and backrest 2 and expansion buckle
It is turned folding on seat 1 when portion 4 is detached from by rotation axis 3, wherein elastic reset is extremely when expansion clamping part 4 and backrest 2 are detached from
Always position.
Further speaking, it is unfolded to be additionally provided with the effect position 11 for tool or manual action on clamping part 4.
In particular, this structure further includes service plate 12, front chair leg 13 and rear chair leg 14；Wherein, front chair leg 13 and rear chair leg
14 upper ends are mutually rotatablely connected, and the rotation of service plate 12 is unfolded or turns folding in 14 upper end of front chair leg 13 and rear chair leg, 1 front end of seat
It is supported on front chair leg 13, rear end thereof is unfolded or turns folding in rear chair leg 14.
Further speaking, front chair leg 13 and rear chair leg 14 are respectively two-part setting, the mutually rotation exhibition of two sections of front chair legs 13
Cooperation is opened or turns folding, the mutually socket telescopic slide cooperation of chair leg 14 after two sections；The front chair leg 13 and rear chair leg 14 it
Between be provided with transmission rotating bar 15, the two is by the mutually rotation expansion of transmission rotating bar 15 or turns folding cooperation.
Basic principles, main features, and advantages of the present invention has been shown and described above.Ability
The technical staff in domain should be recognized that the present utility model is not limited to the above embodiments, described in the above embodiment and specification
Only illustrate the principles of the present invention, the utility model also has on the premise of not departing from the spirit and scope of the utility model
Various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model
Protection scope is defined by appended claims and its equivalent.
Meanwhile the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, it should not be understood as to this
The limitation of patent；In order to better illustrate the utility model embodiment, the certain components of attached drawing have omission, zoom in or out,
The size of actual product is not represented；It will be understood by those skilled in the art that certain known features and its explanation may save in attached drawing
Slightly it will be understood by.
Moreover, in the attached drawing of the utility model embodiment, the same or similar label correspond to the same or similar components；?
In the description of the utility model, it is to be understood that if having term " on ", "lower", "left", "right", "vertical", "horizontal", " cross
To ", " longitudinal direction ", "top", "bottom", "inner", the instructions such as "outside" orientation or positional relationship be based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore the term for describing positional relationship in attached drawing is only used for
Exemplary illustration should not be understood as the limitation to this patent.
Claims (8)
1. a kind of folding backrest structure for children dinning chair, including seat (1) and backrest (2), it is characterised in that: seat (1)
Rotation axis (3) and expansion clamping part (4) are provided between backrest (2), seat (1) and backrest (2) are mutual by rotation axis (3)
Rotation expansion turns folding cooperation and at least passes through expansion clamping part (4) when the two mutually rotates and is expanded to certain position
Realize expansion positioning.
2. being used for the folding backrest structure of children dinning chair according to claim 1, it is characterised in that: the seat (1) and lean on
Be respectively arranged with seat axis hole (5), backrest axis hole (6) on back (2), rotation axis (3) successively position be threaded through seat axis hole (5),
On backrest axis hole (6)；The backrest (2) is by rotation axis (3) rotation expansion or turns folding on seat (1).
3. being used for the folding backrest structure of children dinning chair according to claim 2, it is characterised in that: the rotation axis (3) one
End is provided with positioning region (7), and the other end is provided with clamping portion (8), clamping engagement portion (9) is additionally provided on backrest (2), clamping is matched
Conjunction portion (9) is located at backrest axis hole (6) side and forms certain spacing therebetween；It is fixed that described rotation axis (3) one end passes through
Position portion (7) is located on the outside of seat axis hole (5), is successively threaded through seat axis hole (5), backrest axis hole (6) in the middle part of rotation axis (3)
On, rotation axis (3) other end is located on clamping engagement portion (9) by clamping portion (8) clamping.
4. being used for the folding backrest structures of children dinning chair according to claim 1 or described in 3, it is characterised in that: the expansion buckle
Portion (4) is arranged on seat (1)；The backrest (2) at least passes through expansion clamping part (4) when expansion turns to certain position
It is located on seat (1).
5. being used for the folding backrest structure of children dinning chair according to claim 4, it is characterised in that: the seat (1) is corresponding
Expansion clamping part (4) is provided with clearance position (10), and expansion clamping part (4) is suspended on clearance position (10) and passes through clearance position
(10) elasticity activity is on seat chair (1)；The backrest (2) at least passes through expansion clamping part when expansion turns to certain position
(4) elasticity is automatically positioned on seat (1), to realize that rotation expansion is located on seat (1) backrest (2) automatically；At least exist
By tool or manual action expansion clamping part (4) when backrest (2) expansion is located on seat (1), expansion clamping part (4) passes through
Clearance position (10) elasticity activity is on seat chair (1), and expansion clamping part (4) is mutually disengaged in elastic activity with backrest (2), backrest
(2) turned folding on seat (1) when being detached from expansion clamping part (4) by rotation axis (3), wherein expansion clamping part (4) with
Elastic reset is to position always when backrest (2) is detached from.
6. being used for the folding backrest structure of children dinning chair according to claim 5, it is characterised in that: the expansion clamping part
(4) the effect position (11) for tool or manual action is additionally provided on.
7. the folding backrest structure according to claim 1 or 6 for children dinning chair, it is characterised in that: further include service plate
(12), front chair leg (13) and rear chair leg (14)；Wherein, front chair leg (13) and rear chair leg (14) upper end are mutually rotatablely connected, service plate
(12) rotation is unfolded or turns folding in front chair leg (13) and rear chair leg (14) upper end, and seat (1) front end is supported on front chair leg
(13) on, rear end thereof is unfolded or turns folding on rear chair leg (14).
8. according to claim 7 be used for children dinning chair folding backrest structure, it is characterised in that: the front chair leg (13) and
Chair leg (14) is respectively two-part setting afterwards, and the mutually rotation of two sections of front chair legs (13) is unfolded or turns folding cooperation, chair after two sections
Foot (14) mutually socket telescopic slide cooperation；Transmission rotating bar is provided between the front chair leg (13) and rear chair leg (14)
(15), the two by transmission rotating bar (15) mutually rotation expansion or turns folding cooperation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018216104362 | 2018-09-29 | ||
| CN201821610436 | 2018-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209528620U true CN209528620U (en) | 2019-10-25 |
Family
ID=68262689
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822006606.2U Expired - Fee Related CN209528620U (en) | 2018-09-29 | 2018-11-29 | A kind of folding backrest structure for children dinning chair |
| CN201821997118.6U Expired - Fee Related CN209528618U (en) | 2018-09-29 | 2018-11-29 | A kind of chair leg stretching structure for children dinning chair |
| CN201822006607.7U Expired - Fee Related CN209528621U (en) | 2018-09-29 | 2018-11-29 | A kind of service plate foldable structure for children dinning chair |
| CN201821997119.0U Expired - Fee Related CN209528619U (en) | 2018-09-29 | 2018-11-29 | A kind of folding storage structure for children dinning chair |
| CN201821997117.1U Expired - Fee Related CN209528617U (en) | 2018-09-29 | 2018-11-29 | A kind of turnover seat structure for children dinning chair |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821997118.6U Expired - Fee Related CN209528618U (en) | 2018-09-29 | 2018-11-29 | A kind of chair leg stretching structure for children dinning chair |
| CN201822006607.7U Expired - Fee Related CN209528621U (en) | 2018-09-29 | 2018-11-29 | A kind of service plate foldable structure for children dinning chair |
| CN201821997119.0U Expired - Fee Related CN209528619U (en) | 2018-09-29 | 2018-11-29 | A kind of folding storage structure for children dinning chair |
| CN201821997117.1U Expired - Fee Related CN209528617U (en) | 2018-09-29 | 2018-11-29 | A kind of turnover seat structure for children dinning chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN209528620U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768322B (en) * | 2021-01-14 | 2024-07-09 | 统资婴童用品（太仓）有限公司 | Structure improved dining chair for baby |
-
2018
- 2018-11-29 CN CN201822006606.2U patent/CN209528620U/en not_active Expired - Fee Related
- 2018-11-29 CN CN201821997118.6U patent/CN209528618U/en not_active Expired - Fee Related
- 2018-11-29 CN CN201822006607.7U patent/CN209528621U/en not_active Expired - Fee Related
- 2018-11-29 CN CN201821997119.0U patent/CN209528619U/en not_active Expired - Fee Related
- 2018-11-29 CN CN201821997117.1U patent/CN209528617U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN209528619U (en) | 2019-10-25 |
| CN209528621U (en) | 2019-10-25 |
| CN209528618U (en) | 2019-10-25 |
| CN209528617U (en) | 2019-10-25 |
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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: 20191025 |