CN213082971U - Child safety seat with electrically adjustable chair back inclination angle - Google Patents
Child safety seat with electrically adjustable chair back inclination angle Download PDFInfo
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- CN213082971U CN213082971U CN202021850891.7U CN202021850891U CN213082971U CN 213082971 U CN213082971 U CN 213082971U CN 202021850891 U CN202021850891 U CN 202021850891U CN 213082971 U CN213082971 U CN 213082971U
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- safety seat
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Abstract
The utility model relates to a children's safety seat technical field discloses a children's safety seat at back of chair inclination can electrically regulated, including: a base and a chair back; the chair back is arranged on the base, and the inclination angle of the chair back relative to the base is adjustable; the driving device comprises a mounting seat, a transmission sleeve and a driving piece for driving the transmission sleeve; the driving piece is arranged on one of the base and the chair back, and the mounting seat is arranged on the other of the base and the chair back; the transmission sleeve is arranged between the driving piece and the transmission sleeve, and the transmission sleeve and the mounting seat can rotate relatively. The utility model has the advantages of, this children's safety seat's the back of the chair can realize electric regulation, and adjust steady, simple, stability is high.
Description
Technical Field
The utility model relates to a children's safety seat technical field relates to a but children's safety seat at back of chair inclination of electrical control.
Background
Child safety seat mainly includes from last headrest, the back of the chair and the base that sets gradually down, and wherein, the back of the chair sets up on the base, and among most child safety seat, the back of the chair is adjustable for the inclination of base, and then changes the position of sitting or the prone position of the children of sitting on the back of the chair, improves children's comfort.
In the existing child safety seat, the inclination angle of the seat back is basically adjusted manually, so that the adjustment is troublesome; and a small amount of electric chair back inclination angle adjustment is adopted, but the problems of poor chair back adjustment stability, complex adjustment and poor structural stability generally exist.
For example, patent "CN 204978308U" discloses a children's safety seat's back of chair electric regulating apparatus, including back of the chair and base, still includes the control end, be equipped with the drive arrangement who is used for adjusting back of the chair angle on the base, drive arrangement links to each other with the power, the control end is used for controlling drive arrangement's start-up. In the structure, although the trouble that the angle of the chair back needs to be manually adjusted in the traditional child safety seat is overcome, the stability of the chair back is difficult to ensure in the adjusting process, and the structural stability of the chair back is poor.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model aims to solve the technical problem that a but adjust children's safety seat at the back of the chair inclination of electrical control steady, structural stability is high is proposed.
The utility model provides a technical scheme that its technical problem adopted is, but the children's safety seat at back of the chair inclination is adjusted to the electrical control is proposed, including:
a base and a chair back; the chair back is arranged on the base, and the inclination angle of the chair back relative to the base is adjustable;
the driving device comprises a mounting seat, a transmission sleeve and a driving piece for driving the transmission sleeve; the driving piece is arranged on one of the base and the chair back, and the mounting seat is arranged on the other of the base and the chair back; the transmission sleeve is arranged between the driving piece and the transmission sleeve, and the transmission sleeve and the mounting seat can rotate relatively.
Furthermore, a screw rod is arranged on the driving piece, the transmission sleeve comprises a sleeve sleeved on the screw rod, and an internal thread matched with the screw rod is arranged on the inner wall of the sleeve.
Furthermore, the transmission sleeve also comprises a connecting block protruding out of the sleeve, and the connecting block is provided with a first through hole; a first bracket and a second bracket which are arranged at intervals are protruded on the mounting seat, and second through holes are formed in the first bracket and the second bracket;
the connecting block sets up first support with between the second support, just first through-hole and two wear to be equipped with a pivot in the second through-hole.
Furthermore, the first through hole is provided in a circular hole or a waist hole.
Furthermore, the mounting seat also comprises a fixing plate connected with the chair back or the base; the first support and the second support are arranged on the fixing plate and are arranged integrally with the fixing plate.
Further, the device also comprises a first coupling shaft and a second coupling shaft;
the base comprises a third support and a fourth support which are symmetrically arranged, one ends of the third support and the fourth support are both provided with a first sliding chute, and the other ends of the third support and the fourth support are both provided with a second sliding chute;
a first mounting hole and a second mounting hole are formed in the chair back; the first connecting shaft penetrates through the first mounting hole and the two first sliding grooves and can slide along the first sliding grooves; the second coupling shaft penetrates through the second mounting hole and the two second sliding grooves, and can slide along the second sliding grooves.
Further, the first sliding groove and the second sliding groove are arranged in a waist shape.
Furthermore, a position locking groove with an upward opening is formed in the third support and/or the fourth support.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model discloses in, the motor is installed on the back of the chair and one of base both, the mount pad is installed on the back of the chair and another one of base both, when the motor rotates, the motor drives the lead screw and rotates, because be connected with the transmission cover between lead screw and the mount pad, the lead screw orders about transmission cover concertina movement, and then make and form the power that promotes each other between the back of the chair and the base, because the base is motionless, the event back of the chair is under the effect of this power, take place to rotate for the base, make the inclination of the back of the chair change, realize back of the chair inclination and adjust, lead screw and transmission cover motion are steady, back of the chair inclination is adjusted steadily, and. When the first through hole is formed into a circular hole, the chair back can move along a straight line, and the inclination angle of the chair back is adjusted; when setting first through-hole to the waist hole, the back of the chair can be along pitch arc motion, realizes the inclination of the back of the chair and adjusts, and it is convenient to adjust.
Drawings
FIG. 1 is a schematic view of the assembly of a driving device and a base;
FIG. 2 is a half sectional view of the child safety seat of the present invention;
FIG. 3 is an exploded view of the child safety seat of the present invention;
FIG. 4 is a schematic view of the assembly of the first and second coupling shafts with the seat back;
FIG. 5 is a schematic structural diagram of a driving device;
fig. 6 is an exploded view of fig. 5.
In the figure, the position of the upper end of the main shaft,
1. a base; 10. a third support; 11. a fourth bracket; 101. a first chute; 102. a second chute; 103. a position locking groove; 120. a first coupling shaft; 121. a second coupling shaft;
2. a chair back; 20. a first mounting hole; 21. a second mounting hole;
3. a drive device; 30. a mounting seat; 301. a first bracket; 302. a second bracket; 303. a fixing plate; 3011. a second through hole; 31. a transmission sleeve; 310. a sleeve; 311. connecting blocks; 3111. a first through hole; 32. a drive member; 320. a screw rod; 33. a rotating shaft.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-4, a child safety seat capable of electrically adjusting the tilt angle of the seat back comprises: a base 1, a chair back 2 and a driving device 3. Wherein, the base 1 and the chair back 2; the chair back 2 is arranged on the base 1, and the inclination angle of the chair back 2 relative to the base 1 is adjustable, namely the chair back 2 can rotate relative to the base 1 to realize the adjustment of the inclination angle of the chair back 2, so that the sitting posture or lying posture of a child on the chair back 2 is changed, and the comfort of the child is improved; the driving device 3 comprises a mounting seat 30, a transmission sleeve 31 and a driving piece 32 for driving the transmission sleeve 31; the driving part 32 is arranged on one of the base 1 and the chair back 2, and the mounting seat 30 is arranged on the other of the base 1 and the chair back 2, namely, the driving part 32 is arranged on the base 1, and the mounting seat 30 is arranged on the chair back 2; alternatively, the driving member 32 is disposed on the seat back 2, and the mounting seat 30 is disposed on the base 1; both approaches can achieve the objectives of the present application; the transmission sleeve 31 is disposed between the driving member 32 and the transmission sleeve 31, and the transmission sleeve 31 and the mounting seat 30 can rotate relatively.
Preferably, as shown in fig. 5-6, a screw 320 is disposed on the driving member 32, specifically, the screw 320 may be an output shaft of the driving member 32 directly, or the output shaft of the driving member 32 is connected to a screw 320; the drive 32 is preferably an electric motor.
The transmission sleeve 31 is arranged on the screw rod 320 through the sleeve 310, the inner wall of the sleeve 310 is provided with an internal thread matched with the screw rod 320, the screw rod 320 rotates to drive the transmission sleeve 31 to move in a telescopic mode, and then the transmission sleeve 31 and the mounting seat 30 move relatively, namely the base 1 and the chair back 2 move relatively. The transmission sleeve 31 further comprises a connecting block 311 protruding out of the sleeve 310, and the connecting block 311 is provided with a first through hole 3111; the mounting seat 30 is protruded with a first bracket 301 and a second bracket 302 which are arranged at intervals, the first bracket 301 and the second bracket 302 are generally made of metal, and the first bracket 301 and the second bracket 302 are both provided with a second through hole 3011; the connecting block 311 is disposed between the first bracket 301 and the second bracket 302, a rotating shaft 33 penetrates through the first through hole 3111 and the second through hole 3011, and the rotating shaft 33 connects the transmission sleeve 31 and the mounting base 30. The mounting seat 30 further comprises a fixing plate 303 connected with the chair back 2 or the base 1, a plurality of through holes for bolts to pass through are formed in the fixing plate 303, and the fixing plate 303 is fixed on the base 1 or the chair back 2 through the bolts; and the first bracket 301 and the second bracket 302 are arranged on the fixing plate 303, and the first bracket 301 and the second bracket 302 are integrally arranged with the fixing plate 303.
The first through hole 3111 is provided as a circular hole or a waist hole, and when the first through hole 3111 is provided as a circular hole, the chair back 2 can move along a straight line, so that the inclination angle of the chair back 2 can be adjusted; when setting first through-hole 3111 to the waist hole, back of the chair 2 can be along pitch arc motion, realizes back of the chair 2's inclination and adjusts, and optional mode is many, it is convenient to adjust.
Further preferably, as shown in fig. 1-4, the child safety seat further comprises a first coupling shaft 120 and a second coupling shaft 121; the base 1 comprises a third support 10 and a fourth support 11 which are symmetrically arranged, one end of each of the third support 10 and the fourth support 11 is provided with a first sliding groove 101, and the other end of each of the third support 10 and the fourth support 11 is provided with a second sliding groove 102; a first mounting hole 20 and a second mounting hole 21 are formed in the chair back 2; the first coupling shaft 120 is inserted into the first mounting hole 20 and the two first sliding grooves 101, and the first coupling shaft 120 can slide along the first sliding grooves 101; the second coupling shaft 121 is inserted into the second mounting hole 21 and the two second sliding grooves 102, and the second coupling shaft 121 can slide along the second sliding grooves 102. It can be understood that the first coupling shaft 120 is installed in the first installation hole 20 to realize the fixation with the chair back 2, and then the first coupling shaft 120 is inserted into the two first chutes 101; the second coupling shaft 121 is installed in the second installation hole 21 to fix the seat back 2, and the second coupling shaft 121 is inserted into the two second sliding grooves 102. The first sliding groove 101 and the second sliding groove 102 are arranged in a kidney shape, so that the first coupling shaft 120 and the second coupling shaft 121 can slide smoothly; and the third support 10 and the fourth support 11 are provided with a locking groove 103 with an upward opening, and the locking groove 103 can be used for locking a locking member (not marked in the figure), so as to further lock the chair back 2 on the base 1.
In the use, when driving piece 32 is that the motor rotates, the motor drives lead screw 320 and rotates, because be connected with drive sleeve 31 between lead screw 320 and the mount pad 30, lead screw 320 orders about drive sleeve 31 concertina movement, and then make and form the power that promotes each other between the back of the chair 2 and the base 1, because base 1 is motionless, so back of the chair 2 is under the effect of this power, take place to rotate for base 1, make the inclination of the back of the chair 2 change, realize back of the chair 2 inclination and adjust, lead screw 320 and drive sleeve 31 move steadily, back of the chair 2 inclination is adjusted steadily, and holistic simple structure, high stability.
In the children's safety seat of this scheme, the back of the chair can realize electric regulation, and adjusts steadily, simply, and stability is high.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. A child safety seat with an electrically adjustable backrest inclination angle is characterized by comprising:
a base and a chair back; the chair back is arranged on the base, and the inclination angle of the chair back relative to the base is adjustable;
the driving device comprises a mounting seat, a transmission sleeve and a driving piece for driving the transmission sleeve; the driving piece is arranged on one of the base and the chair back, and the mounting seat is arranged on the other of the base and the chair back; the transmission sleeve is arranged between the driving piece and the transmission sleeve, and the transmission sleeve and the mounting seat can rotate relatively.
2. The child safety seat with the electrically adjustable backrest inclination angle as claimed in claim 1, wherein the driving member is provided with a screw rod, the transmission sleeve comprises a sleeve sleeved on the screw rod, and the inner wall of the sleeve is provided with an internal thread matched with the screw rod.
3. The child safety seat with the electrically adjustable chair back inclination angle according to claim 2, characterized in that the transmission sleeve further comprises a connecting block protruding out of the sleeve, and the connecting block is provided with a first through hole; a first bracket and a second bracket which are arranged at intervals are protruded on the mounting seat, and second through holes are formed in the first bracket and the second bracket;
the connecting block sets up first support with between the second support, just first through-hole and two wear to be equipped with a pivot in the second through-hole.
4. The child safety seat with the electrically adjustable backrest inclination angle according to claim 3, wherein the first through hole is configured as a round hole or a waist hole.
5. The child safety seat with electrically adjustable backrest tilt of claim 3, wherein the mounting base further comprises a securing plate connected to the backrest or base; the first support and the second support are arranged on the fixing plate and are arranged integrally with the fixing plate.
6. The child safety seat with electrically adjustable back tilt according to any of claims 1-5, further comprising a first coupling shaft and a second coupling shaft;
the base comprises a third support and a fourth support which are symmetrically arranged, one ends of the third support and the fourth support are both provided with a first sliding chute, and the other ends of the third support and the fourth support are both provided with a second sliding chute;
a first mounting hole and a second mounting hole are formed in the chair back; the first connecting shaft penetrates through the first mounting hole and the two first sliding grooves and can slide along the first sliding grooves; the second coupling shaft penetrates through the second mounting hole and the two second sliding grooves, and can slide along the second sliding grooves.
7. The child safety seat according to claim 6, wherein the first and second slots are kidney-shaped.
8. The child safety seat with the electrically adjustable backrest inclination angle according to claim 6, characterized in that the third bracket and/or the fourth bracket are provided with a locking groove with an upward opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850891.7U CN213082971U (en) | 2020-08-28 | 2020-08-28 | Child safety seat with electrically adjustable chair back inclination angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850891.7U CN213082971U (en) | 2020-08-28 | 2020-08-28 | Child safety seat with electrically adjustable chair back inclination angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213082971U true CN213082971U (en) | 2021-04-30 |
Family
ID=75632868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021850891.7U Active CN213082971U (en) | 2020-08-28 | 2020-08-28 | Child safety seat with electrically adjustable chair back inclination angle |
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| Country | Link |
|---|---|
| CN (1) | CN213082971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230544A (en) * | 2022-07-07 | 2022-10-25 | 欧颂德婴童用品(湖北)有限公司 | Electric rotating reclining angle adjusting structure of child safety seat |
| WO2023197524A1 (en) * | 2022-04-15 | 2023-10-19 | 宁波环球娃娃婴童用品股份有限公司 | Angle adjustment device for child safety seat, and child safety seat |
-
2020
- 2020-08-28 CN CN202021850891.7U patent/CN213082971U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023197524A1 (en) * | 2022-04-15 | 2023-10-19 | 宁波环球娃娃婴童用品股份有限公司 | Angle adjustment device for child safety seat, and child safety seat |
| CN115230544A (en) * | 2022-07-07 | 2022-10-25 | 欧颂德婴童用品(湖北)有限公司 | Electric rotating reclining angle adjusting structure of child safety seat |
| CN115230544B (en) * | 2022-07-07 | 2024-02-20 | 欧颂科技(海南)有限公司 | Electric rotating lying angle adjusting structure of child safety seat |
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