CN203246534U - Baby carriage with adjustable backrest - Google Patents

Abstract

The utility model relates to a baby carriage, in particular to a baby carriage with an adjustable backrest, comprising a frame, a seat mounted on the frame, a handle mounted on the front of the frame, a rotating shaft connected under the handle, a front wheel mounted at the lower end of the rotating shaft, a pedal arranged on the front wheel, and a rear wheel mounted at the rear of the frame, wherein the seat comprises a base and a backrest, the base and the backrest are hinged, and a rotating fixing mechanism for adjusting the angle between the base and the backrest is arranged at the connection between the base and the backrest. The utility model adjusts the backrest angle by movably connecting the base and the backrest, and adding a rotating fixing mechanism to meet the different angle requirements of children when riding and resting, and improves the comfort of the rider. The baby carriage has a reasonable structure, is easy to use, and is beautiful overall.

Description

Baby carriage with adjustable backrest

technical field

The utility model relates to a baby carriage, in particular to a baby carriage with an adjustable backrest.

Background technique

Children's tricycles are generally used for children's play and exercise, and the tricycle includes a frame and seat made of light-weight, high-strength metal or plastic, handles attached to the frame, front and rear wheels, and pedals. Under normal circumstances, riding a tricycle can strengthen children's physical development and improve direction discrimination, balance and cognitive abilities. Because babies are very active, but their constitution is still very fragile, they are prone to fatigue and sleep after playing and exercising for a period of time, and riding a tricycle also consumes a lot of energy, so babies want to sleep after riding a tricycle. When the baby is sleeping, the parents have to hold the baby with their hands. If there is no suitable sleeping place, the parents need to hold the baby in their hands for a long time, and they are prone to fatigue, especially for some fat babies, it is difficult for the parents to hold them for a long time hand. But existing baby carriage only has seat and hard and short backrest, and this backrest is not suitable for resting and sleeping.

The Chinese utility model patent with the application number 201120020258.X discloses a baby carriage with an adjustable backrest, which includes a frame made of pipe fittings, a seat mounted on the frame, a handle mounted on the front of the frame, A rotating shaft is connected under the handle, and a front wheel, a pedal arranged on the front wheel and a rear wheel installed at the rear of the frame are installed at the lower end of the rotating shaft; it also includes a backrest mechanism, and the backrest mechanism includes a vertically mounted The arched support bar at the back of the seat, the connecting piece installed at the lower parts of the two ends of the support bar, the movable bar pivotally connected to the open end of the connecting piece through the connecting pin, the backrest with the inserting part on the two wings and An angle adjustment mechanism installed between the support rod and the backrest.

The above-mentioned technical solution solves the problem that the backrest angle can be adjusted to a certain extent, but the operation of adjusting the backrest angle of the three-wheeled seat in the above-mentioned technical solution is cumbersome, and the angle adjustment mechanism is arranged outside, which is not beautiful.

Contents of the invention

The purpose of this utility model is to provide a baby carriage with an adjustable backrest in view of the deficiencies in the prior art. By improving the backrest structure and adding a rotating and fixing mechanism to adjust the backrest angle, it can meet the needs of children when riding and resting. Requirements for different angles, and improve the rider's comfort, the stroller is reasonable in structure, easy to use, and overall beautiful.

In order to achieve the above object, the utility model adopts the following technical solution: a baby carriage with an adjustable backrest, including a frame, a seat installed on the frame, a handle installed at the front of the frame, and a rotating shaft connected under the handle 1. A front wheel, a pedal arranged on the front wheel and a rear wheel installed at the rear of the vehicle frame are installed at the lower end of the rotating shaft, the seat includes a base and a backrest, the base and the backrest are hinged, and the base and the backrest The joint is provided with a rotating fixing mechanism for adjusting the angle between the base and the backrest.

Further, the rotation fixing mechanism includes a handle, a return spring, a pull rod, a rotation fixing block and a rotation fixing seat, the handle is arranged on the back of the backrest, one end of the return spring is connected to the handle, and the other end of the return spring is connected to the backrest, The pull rod is movably connected with the handle, one end of the rotating fixed block is movably connected with the pull rod, the other end of the rotating fixed block is engaged with the rotating fixed seat, and the rotating fixed seat is arranged on the base and is slidably connected with the backrest.

Further, there are two rotating fixing blocks and rotating fixing seats, the two rotating fixing blocks are respectively connected to the two ends of the pull rod, and the two rotating fixing seats are respectively arranged on both sides of the bottom of the backrest.

Further, the fixed rotation block is provided with a latch, and the fixed rotation seat includes a first positioning groove and a second positioning groove. When the backrest is not adjusted, the latch engages with the first positioning groove. When the backrest is adjusted, the latch abut against the second positioning groove.

Further, the seat is provided with an armrest, and the armrest includes an armrest main body, a connecting piece, a fixing piece and a fixing groove, the fixing groove is arranged on the outside of the rotating fixed seat, the fixing piece is detachably connected to the fixing groove, and the connecting piece and the fixing groove are detachably connected. The parts are movably connected, and the main body of the armrest is detachably connected with the connecting parts.

Further, the seat is provided with a footrest, the footrest includes a footrest main body, a fixing part and a connecting part, the fixing part is arranged on the bottom of the seat, the connecting part is movably connected with the fixing part, and the footrest main body and the connecting part are detachable connect.

Further, the seat is provided with a safety belt, the safety belt includes a webbing, a lock tongue and a buckle, one end of the webbing is fixedly connected to the seat, the other end of the webbing is fixedly connected to the lock tongue, and the lock tongue is fastened and connected to the lock buckle.

Further, a foldable sunshade is provided on the backrest, and the sunshade includes a turret arranged on the backrest, several folding bars that can rotate around the turret, and a sunshade cloth connected to the folding bars.

Further, the backrest is provided with pull grooves.

Further, a rear push rod is provided at the rear of the vehicle frame.

The beneficial effects of the utility model are: the utility model is movably connected between the base and the backrest, and the rotation fixing mechanism is added to adjust the angle of the backrest, so as to meet the different angle requirements of children when riding and resting, and improve the comfort of the rider. The baby carriage has the advantages of reasonable structure, convenient use and overall beautiful appearance.

Description of drawings:

Fig. 1 is a right view structural representation of the utility model when the backrest is not adjusted;

Fig. 2 is a right view structure diagram of the utility model when the backrest is adjusted;

Fig. 3 is the three-dimensional structural representation of seat in the utility model;

Fig. 4 is the exploded schematic view of the three-dimensional structure of the seat in the utility model;

Fig. 5 is a three-dimensional exploded schematic diagram of the rotation fixing mechanism in the utility model;

Fig. 6 is a right view structure diagram of the rotation fixing mechanism in the utility model when the backrest is not adjusted;

Fig. 7 is a right view structural diagram of the rotation fixing mechanism in the utility model when the backrest is adjusted;

The reference signs are: 1—vehicle frame, 2—seat, 21—base, 22—backrest, 221—drawing groove, 23—handle, 24—drawing rod, 25—rotating fixed block, 251—bolt, 26—rotating fixed seat . 282—fixed part, 283—connecting part, 29—sunshade, 291—turret, 292—folding bar, 293—shading cloth, 3—handle, 4—front wheel, 5—pedal, 6—rear wheel, 7— Seat belt, 8—rear pusher.

Detailed ways:

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings 1 to 7, and the content mentioned in the embodiment is not a limitation of the utility model.

As shown in Figures 1 to 7, a stroller with an adjustable backrest includes a vehicle frame 1, a seat 2 installed on the vehicle frame 1, a handle 3 installed on the front of the vehicle frame 1, a rotating shaft is connected under the handle 3, A front wheel 4, a pedal 5 arranged on the front wheel 4 and a rear wheel 6 installed on the rear of the vehicle frame 1 are installed at the lower end of the rotating shaft. The seat 2 includes a base and a backrest, and the base 21 and the backrest 22 are hinged. The connection between the base 21 and the backrest 22 is provided with a rotation fixing mechanism for adjusting the angle between the base 21 and the backrest 22 . The utility model movably connects the base 21 and the backrest 22, adds a rotating and fixing mechanism to adjust the angle of the backrest 22, meets the different angle requirements of children when riding and resting, and improves the comfort of the rider. The structure of the baby carriage is reasonable, Easy to use and beautiful overall.

In this embodiment, the rotation fixing mechanism includes a handle 23, a return spring, a pull rod 24, a rotation fixing block 25 and a rotation fixing seat 26, the handle 23 is arranged at the back of the backrest 22, and one end of the return spring is connected to the handle 23 , the other end of the return spring is connected with the backrest 22, the pull rod 24 is movably connected with the handle 23, one end of the rotating fixed block 25 is movably connected with the pull rod 24, the other end of the rotating fixed block 25 is engaged with the rotating fixed seat 26, and the rotating fixed seat 26 It is arranged on the base 21 and is slidably connected with the backrest 22 .

In this embodiment, there are two fixed rotation blocks 25 and two fixed rotation seats 26, the two fixed rotation blocks 25 are respectively connected to the two ends of the pull rod 24, and the two fixed rotation seats 26 are respectively arranged at the bottom of the backrest 22. sides. Both the rotating fixed block 25 and the rotating fixed seat 26 are two, which can improve the stability of the utility model.

In this embodiment, the fixed rotation block 25 is provided with a pin 251, and the fixed rotation seat 26 includes a first positioning groove 261 and a second positioning groove 262. When the backrest 22 is not adjusted, the latch 251 is aligned with the first positioning groove The slot 261 is locked, and when the backrest 22 is adjusted, the latch 251 abuts against the second positioning slot 262 . Specifically, when the backrest 22 is not adjusted, as shown in Figure 6, the latch 251 is engaged with the first positioning groove 261, and the backrest 22 is in a fixed state at this time; when the backrest 22 is adjusted, as shown in Figure 7, pull the handle upward 23. The handle 23 drives the pull rod 24 and the rotating fixed block 25 to move upward, and the latch 251 breaks away from the first positioning groove 261. At this time, the backrest 22 is in an active state. After adjusting the backrest 22 to a suitable angle, release the handle 23, and the handle 23 is reset Reset under the action of the spring, the pull rod 24 and the rotating fixed block 25 move downward until the latch 251 is in conflict with the second positioning groove 262, so that the angle of the backrest 22 is adjusted; The end surfaces form an included angle. When the backrest 22 is not adjusted, the rear end surface of the base 21 is in conflict with the lower end surface of the backrest 22 above. When the backrest 22 is adjusted, the backrest 22 rotates backward along the rotating fixed seat 26. When the rear end surface and the lower end surface of the backrest 22 collide below, the backrest 22 stops rotating, and the backrest 22 is fixed. The angle of the included angle can be reasonably set according to the angle that the backrest 22 needs to rotate.

In this embodiment, the seat 2 is provided with an armrest 27. The armrest 27 includes an armrest body 271, a connecting piece 272, a fixing piece 273 and a fixing groove 274. The piece 273 is detachably connected to the fixing groove 274 , the connecting piece 272 is movably connected to the fixing piece 273 , and the armrest main body 271 is detachably connected to the connecting piece 272 . The connecting piece 272 is plugged into the fixing groove 274. When disassembling, just pull out or insert the armrest 27; There are bumps, and the springs are in conflict with the bumps. When disassembling, press the bumps to take out or insert the armrest main body 271; One side of the main body 271 is taken out, the armrest main body 271 and the connecting piece 272 are rotated to the other side around the fixing piece 273, and after the child gets on the seat 2, the armrest main body 271 and the connecting piece 272 are turned back to the original position around the fixing piece 273 and inserted into it. Yes, the flexibility of the utility model is improved.

In this embodiment, the seat 2 is provided with a footboard 28, and the footboard 28 includes a footboard main body 281, a fixing part 282 and a connecting part 283, and the fixing part 282 is arranged at the bottom of the seat 2, and the connecting part 283 and the fixing part The part 282 is movably connected, and the footboard main body 281 is detachably connected to the connecting part 283 . The connecting part 283 is provided with a fixed claw, and the fixed part 282 is provided with a gear, and the fixed claw is connected with the gear, and the setting of the clip can adjust the angle between the footboard 28 and the base 21. When a child is riding a bicycle, Turn the footboard 28 to the back of the seat 2 and get final product when the child is resting, turn the footboard 28 to the front of the seat 2 and adjust it to a suitable angle for the child; the other end of the connecting part 283 is provided with a button to connect There is an elastic piece inside the part 283, and the elastic piece is in conflict with the button. When disassembling, press the button and take out or insert the footboard main body 281.

In this embodiment, the seat 2 is provided with a safety belt 7, the safety belt 7 includes a ribbon, a deadbolt and a buckle, one end of the ribbon is fixedly connected to the seat, the other end of the ribbon is fixedly connected to the deadbolt, and the deadbolt is connected to the deadbolt. Locking snap-fit connection. The setting of seat belt 7 can protect the safety of children when running into emergency braking, colliding or overturning.

An anti-slip seat protrudes from the front end of the base 21 . The setting of the anti-skid seat can prevent children from slipping off the base 21.

In this embodiment, the backrest 22 is provided with a foldable sunshade 29, and the sunshade 29 includes a turret 291 arranged on the backrest 22, several folding bars 292 that can rotate around the turret 291 and connecting The sunshade cloth 293 of the folding bar 292. The setting of sunshade 29 can block sunlight for children, and also can be used to keep out rain when it rains.

In this embodiment, the backrest 22 is provided with a draw groove 221 . The pulling groove 221 is arranged above the handle 23 , and the setting of the pulling groove 221 makes it easier to pull the handle 23 .

In this embodiment, a rear push rod 8 is provided at the rear of the vehicle frame 1 . When the child needs to have a rest, the rear push rod 8 can be pushed; during the angle adjustment process of the backrest 22, the rear push rod 8 can also be used to resist the backrest 22, which improves the safety of the utility model.

The above-mentioned embodiment is a preferred realization scheme of the utility model. In addition, the utility model can also be realized in other ways, and any obvious replacement is within the scope of protection of the utility model without departing from the inventive concept of the utility model. within.

Claims (10)

1. the perambulator of an adjustable backrest, comprise vehicle frame (1), be installed in the seat (2) on the vehicle frame (1), be installed in the anterior handle (3) of vehicle frame (1), under described handle (3), be connected with rotating shaft, front-wheel (4) is installed in the rotating shaft lower end, the trailing wheel (6) that is arranged on the pedal (5) on the described front-wheel (4) and is installed in described vehicle frame (1) rear portion, it is characterized in that: described seat (2) comprise base (21) and backrest (22), base (21) and backrest (22) are hinged, and the junction of described base (21) and backrest (22) is provided with the rotating fixing machine for angle between adjusting base (21) and the backrest (22).

2. the perambulator of a kind of adjustable backrest according to claim 1, it is characterized in that: described rotating fixing machine comprises handle (23), retracing spring, pull bar (24), rotation fixed block (25) and rotary fixing base (26), handle (23) is arranged at described backrest (22) rear portion, one end of retracing spring is connected with handle (23), the other end of retracing spring is connected with backrest (22), pull bar (24) is flexibly connected with handle (23), one end of rotation fixed block (25) and pull bar (24) are flexibly connected, the other end and rotary fixing base (26) clamping of rotation fixed block (25), rotary fixing base (26) be arranged at that described base (21) is gone up and with backrest (22) sliding block joint.

3. the perambulator of a kind of adjustable backrest according to claim 2, it is characterized in that: described rotation fixed block (25) and rotary fixing base (26) are two, two rotation fixed blocks (25) are connected to the two ends of pull bar (24), and two rotary fixing bases (26) are arranged at respectively the both sides of backrest (22) bottom.

4. the perambulator of a kind of adjustable backrest according to claim 3, it is characterized in that: be provided with latch (251) on the described rotation fixed block (25), described rotary fixing base (26) comprises the first positioning groove (261) and the second positioning groove (262), when backrest (22) when not adjusting, latch (251) and the first positioning groove (261) clamping, when backrest (22) is adjusted, latch (251) and the second positioning groove (262) butt.

5. the perambulator of a kind of adjustable backrest according to claim 1, it is characterized in that: be provided with handrail (27) on described seat (2), handrail (27) comprises armrest body (271), attaching parts (272), connecting element (273) and hold down groove (274), described hold down groove (274) is arranged at the outside of rotary fixing base (26), connecting element (273) removably connects with hold down groove (274), attaching parts (272) is flexibly connected with connecting element (273), and armrest body (271) removably connects with attaching parts (272).

6. the perambulator of a kind of adjustable backrest according to claim 1, it is characterized in that: be provided with footing plate (28) on described seat (2), footing plate (28) comprises footing plate main body (281), connecting portion (282) and fixed part (283), described fixed part (283) is arranged at bottom, seat (2), connecting portion (282) is flexibly connected with fixed part (283), and footing plate main body (281) removably connects with connecting portion (282).

7. the perambulator of a kind of adjustable backrest according to claim 1, it is characterized in that: be provided with safety strap (7) on described seat (2), safety strap (7) comprises ribbon, dead bolt and snap close, one end of ribbon is captiveed joint with seat (2), the other end of ribbon is captiveed joint with dead bolt, and dead bolt and snap close are fastened and connected.

8. the perambulator of a kind of adjustable backrest according to claim 1, it is characterized in that: be provided with the sun shade (29) that can fold on the described backrest (22), sun shade (29) comprise the turret (291) that is arranged on the backrest (22), can be around some envelopeds (292) and the puggaree that is connected described enveloped (292) (293) of described turret (291) rotation.

9. the perambulator of a kind of adjustable backrest according to claim 1 is characterized in that: be provided with kerve (221) on the described backrest (22).

10. the perambulator of a kind of adjustable backrest according to claim 1, it is characterized in that: described vehicle frame (1) rear portion is provided with rear push-rod (8).

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