CN215922303U

CN215922303U - Back adjusting device of sliding baby vehicle

Info

Publication number: CN215922303U
Application number: CN202122611367.5U
Authority: CN
Inventors: 陈家明; 蔡志锋
Original assignee: Foshan Xiong Boshi Technology Co ltd
Current assignee: Foshan Xiong Boshi Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-01
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a backrest adjusting device of a sliding baby car, which comprises a backrest, a seat, a switch assembly, an elastic piece, a limiting block and a pushing block, wherein a first fixing seat and a second fixing seat which are mutually rotatably connected are respectively arranged on the backrest and the seat, the end surfaces, close to each other, of the first fixing seat and the second fixing seat are respectively provided with a first limiting groove and a second limiting groove, the first limiting grooves are communicated with the second limiting grooves and jointly form an accommodating cavity, the elastic piece, the limiting block and the pushing block are arranged in the accommodating cavity, and the elastic piece is used for jacking the limiting block so that the limiting block is clamped against the first limiting groove and the second limiting groove at the same time, and the first fixing seat and the second fixing seat are locked together by the limiting block. The seat adjusting device of the baby sliding vehicle is simple and easy to adjust and operate, and stable and reliable in operation.

Description

Back adjusting device of sliding baby vehicle

Technical Field

The utility model relates to the technical field of a baby sliding vehicle, in particular to a backrest adjusting device of the baby sliding vehicle.

Background

The conventional sliding baby carriage comprises a backrest and a seat, wherein a first fixing seat and a second fixing seat which are mutually rotatably connected are respectively arranged at the lower part of the backrest and the rear section of the seat, a first limiting groove and a second limiting groove are respectively formed in the end surfaces, close to each other, of the first fixing seat and the second fixing seat, the first limiting groove is communicated with the second limiting groove and jointly forms an accommodating cavity, an adjusting mechanism is arranged in the accommodating cavity, and the adjusting mechanism can switch the first fixing seat and the second fixing seat from a relatively fixed state to a relatively rotating state so as to realize angle adjustment of the backrest; however, the backrest adjusting device of the conventional baby walker still has the following disadvantages: (1) because the adjusting mechanism is arranged at the part where the lower part of the backrest and the rear part of the chair seat are mutually connected, when a user needs to adjust the angle of the backrest, the user needs to bend down to exert strength to operate the adjusting mechanism, and a lot of inconvenience is caused to the user; (2) because adjustment mechanism is in the holding intracavity, for protection adjustment mechanism or avoid influencing the outward appearance, the lateral surface of the first fixing base (or the second fixing base) that is located the outside still can be fixed with the dress trim cover, and during the user's regulation, need open the dress trim cover or stretch into the holding chamber with the help of the instrument, just can operate adjustment mechanism, consequently, it is very inconvenient to adjust the operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the backrest adjusting device of the baby walker, which is convenient for a user to use and simple in adjusting operation.

The object of the utility model is thus achieved.

A backrest adjusting device of a sliding baby car comprises a backrest and a seat, wherein a first fixing seat and a second fixing seat which are mutually rotatably connected are respectively arranged on the backrest and the seat, the end surfaces, close to each other, of the first fixing seat and the second fixing seat are respectively provided with a first limiting groove and a second limiting groove, the first limiting grooves are communicated with the second limiting grooves and jointly form an accommodating cavity, the backrest adjusting device further comprises a switch assembly, an elastic piece, a limiting block and a pushing block, the elastic piece, the limiting block and the pushing block are arranged in the accommodating cavity, the elastic piece is used for jacking the limiting block so that the limiting block is clamped against the first limiting groove and the second limiting groove at the same time, the first fixing seat and the second fixing seat are locked together by the limiting block, one end of the pushing block is close to the limiting block, the other end of the pushing block is connected with the switch assembly, the switch assembly extends out of the accommodating cavity, the switch assembly pushes the limiting block to move towards one side of the accommodating cavity through the pushing block, the first fixing seat can rotate relative to the second fixing seat by enabling the limiting block to clamp the first limiting groove and simultaneously withdraw the clamping top of the second limiting groove or the limiting block to clamp the second limiting groove and simultaneously withdraw the clamping top of the first limiting groove.

The seat adjusting device of the sliding baby car has the advantages that the adjusting operation of the seat and the backrest is simple and easy, and the overall structure is stable and reliable in operation.

The technical scheme can be further perfected as follows.

More specific scheme, first spacing groove and second spacing groove are circular vallecular cavity, are provided with the internal tooth on the inside wall in circular vallecular cavity, and the stopper that corresponds is the external gear, external gear and the circular vallecular cavity internal tooth that corresponds. First fixing base and second fixing base realize limiting each other through the stopper and remove, and outer gear and internal tooth meshing design make overall structure atress even, and are not fragile, and the stopper orientation round trip movement of being convenient for.

More specific scheme, be provided with central pivot between first fixing base and the second fixing base and be connected, the both ends of central pivot respectively with first fixing base fixed connection, with second fixing base swivelling joint, or the both ends of central pivot respectively with first fixing base swivelling joint, with second fixing base fixed connection, the stopper centre bore in the holding intracavity is passed to the central pivot, the stopper can follow the axial direction displacement of central pivot through the centre bore. First fixing base and second fixing base rotate to be connected the operation and stabilize, and simple structure easily implements.

More specifically, be equipped with on the first fixing base and rotate the seat, promote the piece and connect on rotating the seat and extend into the holding intracavity with rotatable mode through the bolt, it dodges the breach still to open on the promotion piece, central pivot passes dodge the breach. The pushing block can be close to the center of the limiting block to push the limiting block to move stably, and the pushing block and the limiting block operate stably and reliably.

More specific scheme, rotate the seat setting in the outside of first fixing base, rotate seat and first spacing groove and pass through the activity groove intercommunication, the outside of first fixing base still is equipped with the fixed slot, and the one end that promotes the piece is passed the activity groove and is located and rotate the seat in, and the bolt is arranged in the fixed slot and is passed and promote piece and rotation seat. The rotating seat of the second fixed seat is easy to manufacture and form, and the pushing block is simple and easy to install.

More specific scheme, promote the whole Y type that is of piece, promote a one end and be an insertion portion, the other end is two promotion portions, and insertion portion inserts the movable groove and rotates with the rotation seat through the bolt and be connected, has the clearance to form between two promotion portions dodge the breach, promotion portion is equipped with protruding cambered surface towards stopper one side, and protruding cambered surface offsets with the stopper, the switch module includes switch and first stay cord, and the one end and the promotion portion of first stay cord are connected, and the other end is connected with the outer switch of holding chamber. Dodge the breach and supply central pivot to pass, promote the piece and put the contact through convex cambered surface and stopper central point to promote the stopper steady movement, the stopper removes difficult card and dies, ensures that overall structure moves smoothly.

More specifically, the switch sets up on the back, be provided with two on the back first fixing base, it is provided with two to correspond two first fixing base positions on the seat support the second fixing base, a first fixing base and a second fixing base that corresponds rotate each other and be connected and constitute a set of adjustment mechanism, be connected with on the switch left and right respectively first stay cord, the other end of two first stay cords extends respectively into a set of adjustment mechanism's that corresponds holding intracavity and is connected with the promotion portion. A switch drives two sets of adjustment mechanism synchronization motion simultaneously, and the easy operation is convenient, and convenience of customers uses.

More specifically, the switch is a T-shaped wrench, a T-shaped groove is formed in the backrest, the lower end of the T-shaped groove is exposed out of the rear end face of the backrest, the T-shaped wrench is movably arranged in the T-shaped groove, and two ends of the T-shaped wrench are respectively connected with one end of each of the two first pull ropes. The switch has stable and reliable operation and low cost.

More specific scheme, the back includes protecgulum and hou gai, and back lid bottom both sides extend respectively first fixing base, and it has first recess to be close to the top department concave behind the back lid, and the back lid is preceding to be equipped with the second recess in first recess top, and first recess and second recess intercommunication constitute the T-slot is equipped with the guide post in the second recess, and the T-shaped spanner corresponds and is equipped with the guide way, and when the T-shaped spanner was arranged in the T-slot, the guide post was arranged in the guide way. The T-shaped groove is simple to manufacture and form, the T-shaped wrench is simple to install, and the guide column and the guide groove are matched to limit the moving range of the T-shaped wrench.

Still including the dress trim cover, the dress trim cover is connected with the buckle mode the outside of first fixing base, the periphery extends the second dog along the axial on the second fixing base, and the back that corresponds is formed with first dog in first fixing base periphery, and when first fixing base rotated around the second fixing base, until second dog and first dog offset. The decorative cover shields the rotating seat, the bolt and the pushing block, so that the appearance is attractive, and fingers are prevented from being clamped. The second stop block and the first stop block are matched to limit the rotation range of the backrest and the seat.

The utility model has the following beneficial effects.

(1) The backrest adjusting device of the baby sliding vehicle has the advantages that the adjusting operation of the seat and the backrest is simple and easy, and the whole structure runs stably and reliably. First fixing base and second fixing base realize limiting each other through the stopper and remove, and outer gear and internal tooth meshing design make overall structure atress even, and are not fragile, and the stopper orientation round trip movement of being convenient for. First fixing base and second fixing base rotate to be connected the operation and stabilize, and simple structure easily implements. The pushing block can be close to the center of the limiting block to push the limiting block to move stably, and the pushing block and the limiting block operate stably and reliably.

(2) Secondly, the rotating seat of the second fixed seat is easy to manufacture and form, and the pushing block is simple and easy to install. The pushing block can be close to the center of the limiting block to push the limiting block to move stably, and the pushing block and the limiting block operate stably and reliably. Dodge the breach and supply central pivot to pass, promote the piece and put the contact through convex cambered surface and stopper central point to promote the stopper steady movement, the stopper removes difficult card and dies, ensures that overall structure moves smoothly.

(3) Moreover, one switch simultaneously drives the two groups of adjusting mechanisms to synchronously act, so that the operation is easy and convenient, and the use by a user is convenient. The switch has stable and reliable operation and low cost. The T-shaped groove is simple to manufacture and form, the T-shaped wrench is simple to install, and the guide column and the guide groove are matched to limit the moving range of the T-shaped wrench.

(4) Finally, the decorative cover shields the rotating seat, the bolt and the pushing block, so that the appearance is attractive, and fingers are prevented from being clamped. The second stop block and the first stop block are matched to limit the rotation range of the backrest and the seat.

Drawings

Fig. 1 is a schematic structural view of a baby walking vehicle.

Fig. 2 is an exploded view of the backrest adjusting device in the baby walker.

Fig. 3 is an exploded view (another view) of the backrest adjustment device in the baby walker.

Fig. 4 is a partial sectional view schematically showing the backrest adjusting means.

Fig. 5 is a partial structure movement schematic diagram of the backrest adjusting device.

Fig. 6 is a schematic structural view of the pushing block.

Detailed Description

The utility model is further described with reference to the following figures and examples.

First embodiment, referring to fig. 1-6, a backrest adjusting device for a baby walker comprises a backrest 1, a seat 2, an elastic member 24, a limiting block 3, a pushing block 4 and a switch assembly 5. The backrest 1 comprises a front cover 11 and a rear cover 12, wherein first fixing seats 13 extend downwards from two sides of the bottom of the rear cover 12 respectively, the front cover 11 and the rear cover 12 are fixedly connected, and a first stop block 14 is formed at the periphery of the first fixing seats 13 at the bottom of the front cover 11. First fixing base 13 is the cake form, first fixing base 13 inboard is equipped with first spacing groove 10, first spacing groove 10 is circular vallecular cavity, be provided with the internal tooth on the inside wall of circular vallecular cavity, first fixing base 13 outside is close to central point and puts and be formed with rotation seat 15, it communicates through activity groove 16 with first spacing groove 10 to rotate seat 15, first fixing base 13 outside still is equipped with fixed slot 17, be equipped with bolt 19 in the fixed slot 17, first fixing base 13 outside still is equipped with dress trim 18, dress trim 18 and first fixing base 13 buckle are connected.

A first groove 61 is recessed at the back of the back cover 12 close to the top, a second groove 62 is arranged above the first groove 61 in the front of the back cover 12, the first groove 61 and the second groove 62 are communicated to form a T-shaped groove 6, and a guide column 63 is arranged in the first groove 61.

The switch assembly 5 includes a switch 50 and a first pull cord 8. The switch 50 is a T-shaped wrench 51, the T-shaped wrench 51 is provided with a guide groove 52, the T-shaped wrench 51 is movably arranged in the T-shaped groove 6, the guide post 63 is arranged in the guide groove 52, and the lower end of the T-shaped groove 6 is exposed at the rear end surface of the backrest 1. Two ends of the T-shaped wrench 51 are respectively provided with a second rope buckle 53, and one end of the first pull rope 8 is fixedly connected with the second rope buckle 53.

The pushing block 4 is Y-shaped as a whole, one end of the pushing block 4 is an insertion part 41, and the other end of the pushing block 4 is two pushing parts 42. An avoiding gap 43 is formed between the two pushing parts 42, the middle part of the pushing block 4 is bent towards one side of the limiting block 3, a convex arc surface 44 is formed at the pushing part 42 towards one side of the limiting block 3, the pushing part 42 is abutted against the limiting block 3 through the convex arc surface 44, and a first rope buckle 45 is arranged on the pushing part 42. After the inserting part 41 is inserted into the movable slot 16, the inserted pin 19 connects and fixes the inserting part 41 and the rotating seat 15, and the pushing block 4 and the rotating seat 15 are connected in a rotating way. The other end of the first pull rope 8 penetrates through the first limiting groove 10 from the gap between the front cover 11 and the rear cover 12 to be connected and fixed with the two first rope fasteners 45 of the pushing block 4. Of course, the number of the first pulling ropes 8 may be two, one end of each of the two first pulling ropes 8 is fixedly connected to the second rope fastener 53, and the other end of each of the two first pulling ropes 8 is fixedly connected to the first rope fastener 45 on the same pushing block 4.

The both sides of 2 rear ends of seat support are equipped with second fixing base 21 respectively, and second fixing base 21 all is the cake form, and the second fixing base 21 outside is equipped with second spacing groove 20, and second spacing groove 20 is circular vallecular cavity, is provided with the internal tooth on the inside wall of circular vallecular cavity (be first spacing groove 10 and second spacing groove 20's internal tooth, tooth's socket quantity between the internal tooth and size unanimity), and second stopper 22 is extended along the axial in the periphery on the second fixing base 21.

The first fixing seat 13 is arranged outside the second fixing seat 21, the central positions of the first fixing seat 13 and the second fixing seat 21 are provided with a central rotating shaft 7, two ends of the central rotating shaft 7 are respectively and fixedly connected with the first fixing seat 13 and the second fixing seat 21, or two ends of the central rotating shaft 7 are respectively and fixedly connected with the first fixing seat 13 and the second fixing seat 21. Namely, the first limiting groove 10 and the second limiting groove 20 are opposite and communicated, the limiting block 3 is sleeved on the central rotating shaft 7 through a central hole on the limiting block and is positioned in the accommodating cavity 30, and the limiting block 3 can move along the axial direction of the central rotating shaft 7 through the central hole. The limiting block 3 is an external gear, and teeth of the limiting block 3 are arranged in tooth sockets of the first limiting groove 10 and the second limiting groove 20 (namely, the external gear is engaged with inner teeth of a corresponding circular groove cavity). The elastic member 24 is a spring, the spring is disposed between the limiting block 3 and the second limiting groove 20, and the elastic force of the spring makes the other end of the limiting block 3 abut against the convex arc surface 44 of the pushing block 4, and makes the pushing block 4 abut against the first fixing seat 13. At this moment, the limiting block 3 simultaneously blocks against the first limiting groove 10 and the second limiting groove 20, so that the first fixing seat 13 and the second fixing seat 21 are locked together by the limiting block 3, namely, one part of the limiting block 3 is positioned in the first limiting groove 10, the other part of the limiting block 3 is positioned in the second limiting groove 20, the first fixing seat 13 and the second fixing seat 21 cannot rotate relatively, and the seat 2 and the backrest 1 are relatively fixed.

Upwards press T spanner 51, T spanner 51 shifts up and upwards stimulates first stay cord 8 in T-slot 6, first stay cord 8 is upwards mentioned and is promoted piece 4, promote piece 4 when revolving the rotation of rotation seat 15, promote piece 4 and extrude stopper 3 through convex arc face 44 and remove and compress spring to second spacing inslot 20, move to placing in second spacing inslot 20 completely (T spanner 51 moves the biggest stroke promptly) when stopper 3, first fixing base 13 rotates around second fixing base 21, seat support 2 and backrest 1 position rotatable regulation promptly.

Treat that back 1 rotates to suitable position, loosen T spanner 51, first spacing groove 10 aligns the back with second spacing groove 20, and the elasticity of spring promotes stopper 3 and removes to first spacing groove 10, and stopper 3 resets and restricts first fixing base 13 and second fixing base 21 rotation, and stopper 3 also promotes and promotes piece 4 rotation and resets, and piece 4 pulls down first stay cord 8 and makes T spanner 51 reset.

In the process that the backrest 1 rotates around the seat 2, namely the first fixed seat 13 rotates around the second fixed seat 21, the second stop 22 abuts against the first stop 14, so that the rotation range of the backrest 1 is limited.

Claims

1. A backrest adjusting device of a sliding baby car comprises a backrest (1) and a seat (2), wherein a first fixing seat (13) and a second fixing seat (21) which are connected in a rotating mode are arranged on the backrest (1) and the seat (2) respectively, a first limiting groove (10) and a second limiting groove (20) are formed in end faces, close to each other, of the first fixing seat (13) and the second fixing seat (21) respectively, the first limiting groove is communicated with the second limiting groove (20) and jointly forms an accommodating cavity (30), the backrest adjusting device is characterized by further comprising a switch assembly (5), an elastic piece (24), a limiting block (3) and a pushing block (4), the elastic piece (24), the limiting block (3) and the pushing block (4) are arranged in the accommodating cavity (30), the elastic piece (24) pushes the limiting block (3) to enable the limiting block (3) to clamp the first limiting groove (10) and the second limiting groove (20) simultaneously, the first fixing seat (13) and the second fixing seat (21) are locked together by the limiting block (3), one end of the pushing block (4) is close to the limiting block (3), the other end of the pushing block is connected with the switch component (5), the switch component (5) extends out of the accommodating cavity (30), the switch component (5) pushes the limiting block (3) to move towards one side of the accommodating cavity (30) through the pushing block (4), the limiting block (3) is clamped against the first limiting groove (10) and simultaneously the clamping roof of the second limiting groove (20) is cancelled, or the limiting block (3) is clamped against the second limiting groove (20) and simultaneously the clamping roof of the first limiting groove (10) is cancelled, so that the first fixing seat (13) can rotate relative to the second fixing seat (21).

2. The backrest adjusting device of the baby sliding vehicle as claimed in claim 1, wherein the first limiting groove (10) and the second limiting groove (20) are both circular groove cavities, inner teeth are arranged on the inner side walls of the circular groove cavities, the corresponding limiting blocks (3) are outer gears, and the outer gears are meshed with the inner teeth of the corresponding circular groove cavities.

3. The backrest adjusting device of the baby sliding vehicle as claimed in claim 2, wherein a central rotating shaft (7) is connected between the first fixing seat (13) and the second fixing seat (21), two ends of the central rotating shaft (7) are respectively and fixedly connected with the first fixing seat (13) and the second fixing seat (21), or two ends of the central rotating shaft (7) are respectively and rotatably connected with the first fixing seat (13) and the second fixing seat (21), the central rotating shaft (7) passes through a central hole of the limiting block (3) in the accommodating cavity (30), and the limiting block (3) can be displaced along the axial direction of the central rotating shaft (7) through the central hole.

4. The backrest adjusting device of the baby sliding vehicle as claimed in claim 3, wherein the first fixing seat (13) is provided with a rotating seat (15), the pushing block (4) is rotatably connected to the rotating seat (15) through a bolt (19) and extends into the accommodating cavity, the pushing block (4) is further provided with an avoiding notch (43), and the central rotating shaft (7) penetrates through the avoiding notch (43).

5. The backrest adjusting device of the baby sliding vehicle as claimed in claim 4, wherein the rotating seat (15) is arranged outside the first fixing seat (13), the rotating seat (15) is communicated with the first limiting groove (10) through a movable groove (16), a fixing groove (17) is further arranged outside the first fixing seat (13), one end of the pushing block (4) penetrates through the movable groove (16) and is located in the rotating seat (15), and the bolt (19) is located in the fixing groove (17) and penetrates through the pushing block (4) and the rotating seat (15).

6. The backrest adjusting device of the baby sliding vehicle as claimed in claim 5, wherein the pushing block (4) is generally Y-shaped, one end of the pushing block (4) is an insertion portion (41), the other end of the pushing block is two pushing portions (42), the insertion portion (41) is inserted into the movable groove (16) and is rotatably connected with the rotating seat (15) through a bolt (19), a gap exists between the two pushing portions (42) to form the avoiding notch (43), a convex arc surface (44) is arranged on one side, facing the limiting block (3), of the pushing portion (42), the convex arc surface (44) abuts against the limiting block (3), the switch assembly (5) comprises a switch (50) and a first pull rope (8), one end of the first pull rope (8) is connected with the pushing portion (42), and the other end of the first pull rope is connected with the switch (50) outside the accommodating cavity (30).

7. The backrest adjusting device of the baby sliding vehicle as claimed in claim 6, wherein the switch (50) is disposed on the backrest (1), the backrest (1) is provided with two first fixing seats (13), the seat (2) is provided with two second fixing seats (21) corresponding to the two first fixing seats (13), one first fixing seat (13) and one corresponding second fixing seat (21) are rotatably connected with each other to form a set of adjusting mechanism, the switch (50) is connected with one left and one right first pull ropes (8), and the other ends of the two first pull ropes (8) respectively extend into the accommodating cavities (30) of the corresponding set of adjusting mechanism and are connected with the pushing part (42).

8. The backrest adjusting device of the baby sliding vehicle as claimed in claim 7, wherein the switch (50) is a T-shaped wrench (51), a T-shaped slot (6) is formed in the backrest (1), the lower end of the T-shaped slot (6) is exposed out of the rear end face of the backrest (1), the T-shaped wrench (51) is movably arranged in the T-shaped slot (6), and two ends of the T-shaped wrench (51) are respectively connected with one end of the two first pull ropes (8).

9. The backrest adjusting device of the baby carriage according to claim 8, wherein the backrest (1) includes a front cover (11) and a rear cover (12), the first fixing seats (13) extend from two sides of the bottom of the rear cover (12), a first groove (61) is recessed in the rear of the rear cover (12) near the top, a second groove (62) is disposed in the front of the rear cover (12) above the first groove (61), the first groove (61) and the second groove (62) are communicated to form the T-shaped groove (6), a guide post (63) is disposed in the second groove (62), a guide groove (52) is correspondingly disposed on the T-shaped wrench (51), and when the T-shaped wrench (51) is disposed in the T-shaped groove (6), the guide post (63) is disposed in the guide groove (52).

10. The backrest adjusting device of the baby carriage according to claim 1, further comprising a decorative cover, wherein the decorative cover is connected to an outer side of the first fixing seat (13) in a buckling manner, a second stopper (22) extends from an upper periphery of the second fixing seat (21) along an axial direction, a first stopper (14) is formed on a periphery of the first fixing seat (13) of the corresponding backrest (1), and when the first fixing seat (13) rotates around the second fixing seat (21), the second stopper (22) abuts against the first stopper (14).