CN201472440U - Baby carriage with backrest angle capable of being adjusted in multi-section mode - Google Patents

Abstract

A baby carriage with a multi-section adjustable backrest angle, which comprises a chassis, a carriage body frame and a backrest device, wherein the carriage body frame and the backrest device are arranged on two sides of the chassis, the backrest device comprises a backrest support rod and a backrest bottom rod which are arranged in bilateral symmetry, one end of the backrest bottom rod is connected with the rear end part of the vehicle body frame, the other end of the backrest bottom rod is connected with the front end part of the vehicle body frame, one end of the backrest support rod is hinged on the backrest bottom rod, a multi-section angle adjusting device is arranged between the backrest bottom rod and the backrest support rod, the multi-section angle adjusting device comprises a multi-section fixed gear disc and a separable clamping mechanism, the multi-section type fixed gear disc is arranged on the backrest bottom rod, the clamping mechanism is arranged on the backrest support rod, the multi-section type fixed gear disc is provided with a plurality of tooth grooves, the clamping mechanism comprises a clamping body, and the clamping body is clamped in the tooth grooves. The structure of the baby carrier is simplified.

Description

A baby carriage whose backrest angle can be adjusted in multiple stages

【Technical field】

The utility model relates to a transportation tool, in particular to a baby carriage whose backrest angle can be adjusted in multiple stages.

【Background technique】

In the prior art baby carriage, that is, a baby carriage, in order to allow the baby to adjust the sitting posture when riding, a backrest adjustment device needs to be provided on the baby carriage, but the structure of this backrest adjustment device is relatively complicated.

【Content of utility model】

In order to better overcome the complex structure of the backrest adjustment of the baby carriage, the utility model provides a baby carriage whose backrest angle can be adjusted in multiple stages.

The technical solution adopted by the utility model to solve the technical problem is: a baby carriage with multi-stage adjustable backrest angle is provided, including a chassis, a car body frame and a backrest device arranged on both sides of the chassis, and the backrest device includes The back support support rod and the back support bottom bar are symmetrically arranged left and right. A multi-stage angle adjustment device is provided between the back-to-bottom bar and the back-to-support rod, and the multi-stage angle adjustment device includes a multi-stage fixed toothed plate and a detachable engaging mechanism. The multi-stage fixed toothed plate It is arranged on the backrest bottom rod, the engaging mechanism is arranged on the backrest support rod, and the multi-section fixed tooth plate is provided with several tooth slots, the engaging mechanism includes a card body, and the card The body is clamped in the tooth groove.

One end of the card body is clamped in the tooth groove, the other end of the card body is respectively connected with a spring and a pull wire, the other end of the spring is fixed on the back support rod, and the other end of the pull wire is connected with a movable handle.

The multi-stage angle adjustment device also includes a middle rod and a folding rod symmetrically arranged left and right, one end of the folding rod is hinged to the backrest support rod, the other end of the folding rod is hinged to the middle rod, and the middle rod A fixed handle and a first groove for the movable handle to move are provided, and the movable handle is arranged in the first groove.

The first groove is a long and narrow groove arranged longitudinally along the middle rod.

The multi-stage fixed toothed disc is an arc-shaped disc, including a concave first arc-shaped end and a convex second arc-shaped end, the first arc-shaped end is provided with a second groove, and the tooth groove set at the bottom of the second groove.

The end of the card body close to the tooth alveolar is the engaging end, the vertical distance between the top end surface of the tooth alveolar and the first arc-shaped end surface is a, and the card body has a The maximum vertical distance of the joint end face is b, and said b is smaller than said a.

Compared with the prior art, the utility model has the beneficial effect of simplifying the structure by optimizing the structure of the multi-stage angle adjustment device and the backrest device.

【Description of drawings】

Fig. 1 is a schematic diagram of the overall structure of a baby carriage whose backrest angle can be adjusted in multiple stages according to the utility model;

Fig. 2 is a partial structural schematic diagram of the backrest device and the multi-stage angle adjustment device of the present invention;

Fig. 3 is a partial structural schematic diagram of the utility model's back-to-support rod, back-to-bottom bar and multi-stage angle adjustment device;

Fig. 4 is a structural schematic diagram of a fixed toothed disc of the present invention;

Fig. 5 is a structural schematic diagram of the utility model when the movable handle is pulled to the highest state;

FIG. 6 is a partial enlarged view E of FIG. 5 .

【Detailed ways】

The utility model will be further described in detail below in conjunction with the accompanying drawings: in conjunction with Fig. 1 to Fig. 6, a baby carriage whose backrest angle can be adjusted in multiple stages includes a chassis 30, wheels 40, and car body frames 20 arranged on both sides of the chassis 30 1. The push handle 50 and the backrest device 60 arranged on the vehicle body frame 20, the chassis 30 is generally in the shape of an "X", and the vehicle body frame 20 is separately arranged on both sides of the chassis 30 to form two tripods The backrest device 60 includes a backrest support bar 62 and a backrest bottom bar 61 symmetrically arranged left and right, one end of the backrest bottom bar 62 is connected to the rear end of the vehicle body frame 20, and the backrest bottom The other end of the rod 61 is connected to the front end of the vehicle body frame 20, one end of the back support rod 62 is connected to the front end of the vehicle body frame 20, and the other end of the back support rod 62 is hinged on the back to bottom On the rod 61, a multi-stage angle adjustment device is provided between the back-to-bottom rod 61 and the back-to-support rod 62, and the multi-stage angle adjustment device includes a multi-stage fixed toothed disc 1 and a detachable engaging mechanism, the multi-segment fixed toothed disc 1 is set on the back-to-bottom bar 61, the engaging mechanism is set on the back-to-support bar 62, and the multi-segment fixed toothed disc 1 is provided with several tooth grooves 14. The engaging mechanism includes a card body 7, the card body 7 is clamped in the tooth groove 14, the back support rod 62 is hollow, and the end of the back support rod 62 is provided with a long and narrow Groove, the multi-segment fixed chainring 1 is arranged in the narrow and long groove. The card body 7 is disposed in the back support rod 62 .

As shown in Figures 2 and 3, one end of the card body 7 is clamped in the tooth groove 14, the other end of the card body 7 is respectively connected with a spring 9 and a pull wire 4, and the other end of the spring 9 is fixed on the Backed against the support rod 62 , the other end of the pull wire 4 is connected with a movable pull handle 3 . The spring 9 enables the card body 7 to automatically reset and makes the card body 7 in a state of clamping the multi-stage fixed toothed disc 1 .

As shown in Figure 2, the multi-stage angle adjustment device also includes a middle rod 6 and a folding rod 5 symmetrically arranged left and right, one end of the folding rod 5 is hinged to the back support rod 62, and the other end of the folding rod 5 Hinged with the middle rod 6, the middle rod 6 is provided with a fixed handle 8 and a first groove 9 for the movable handle 3 to move, and the movable handle 3 is arranged in the first groove 9 . By reducing the distance between the fixed handle 8 and the movable handle 3, the movable handle 3 can be moved upward, so that the card body 7 can be moved upward through the pull wire 4, so that the Card body 7 breaks away from described alveolar 14, can utilize described fixed handle 8 to carry out angle adjustment at this moment, unclamp described movable pull handle 3 again, under the restoring force of described spring 9, described card body 7 locks into the corresponding tooth groove 14 to achieve engagement.

As shown in FIG. 2 , the first groove 9 is a long and narrow groove arranged longitudinally along the middle rod 6 . The movable handle 3 can move up and down along the first groove 9 to realize the control of the card body 7 .

As shown in Figure 4, the multi-stage fixed toothed disc 1 is an arc-shaped disc, including a concave first arc-shaped end 11 and a convex second arc-shaped end 12, and the first arc-shaped end 11 is set There is a second groove 15 , and the tooth groove 14 is arranged at the bottom of the second groove 15 .

As shown in Figures 4, 5, and 6, the end of the card body 7 close to the tooth groove 14 is an engaging end 71, and the vertical distance between the top end surface of the tooth groove 14 and the end surface of the first arc-shaped end 11 is a, the maximum vertical distance between the top end surface of the tooth groove 14 and the end surface of the engaging end 71 of the card body 7 is b, that is to say, when the movable handle 3 is pulled to the highest point, the card body 7 is in the In the highest position state, when drawing, the vertical distance between the end surface of the engaging end 71 of the card body 7 and the top end surface of the corresponding tooth groove 14 is b, and the b is smaller than the a, so that the card body 7 is pulled up During the process, there will be no detachment of the multi-section fixed toothed disc 1 due to excessive pulling up.

The multi-stage fixed toothed disc 1 can be manufactured according to needs, and the tooth groove 14 can be designed according to the accuracy of the adjustment angle, so that the user can have multiple choices.

When the car is closed, the back support rods 62 arranged on the left and right are narrowed inwardly, and the middle rod 6 is lifted upwards, driving the pull wire 4 to be pulled upwards, so that the card body 7 is raised upwards, and the engaging end 71 of the card body 7 The end surface is higher than the top end surface of the tooth groove 14, so that the backrest can lie flat when the car is closed, and the whole car can be closed to the minimum occupied space when it is closed.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (6)

1. but one kind leans against the perambulator that the angle multiple stage is adjusted, comprise chassis (30), be arranged on the body framework (20) and the back-rest device (60) of both sides, chassis (30), it is characterized in that: described back-rest device (60) comprises leaning against strut bar (62) and leaning against bottom bar (61) of being symmetrical set, described bottom bar (61) one ends that lean against are connected with described body framework (20) rearward end, described bottom bar (61) other end that leans against is connected with described body framework (20) leading section, described strut bar (62) one ends that lean against are hinged on described leaning against on the bottom bar (61), lean against bottom bar (61) and described leaning against between the strut bar (62) is provided with the multiple stage angular adjustment apparatus described, described multiple stage angular adjustment apparatus comprises multiple stage fixed gear plate (1) and separable snap fastener, described multiple stage fixed gear plate (1) is arranged on described leaning against on the bottom bar (61), described snap fastener is arranged on described leaning against on the strut bar (62), described multiple stage fixed gear plate (1) is provided with some teeth groove (14), described snap fastener comprises card body (7), and described card body (7) is fastened in the described teeth groove (14).

2. but according to the described perambulator that leans against the adjustment of angle multiple stage of claim 1, it is characterized in that: described card body (7) one ends are fastened in the described teeth groove (14), described card body (7) other end is connected with spring (9) and backguy (4) respectively, described spring (9) other end is fixed on described leaning against on the strut bar (62), and described backguy (4) other end is connected with movable pull handle (3).

3. but according to the described perambulator that leans against the adjustment of angle multiple stage of claim 2, it is characterized in that: the folding rod (5) that described multiple stage angular adjustment apparatus also comprises king-rod (6) and is symmetrical set, described folding rod (5) one ends and described to lean against strut bar (62) hinged, described folding rod (5) other end and described king-rod (6) are hinged, described king-rod (6) is provided with fixed handle (8) and for movable first groove (9) of described movable pull handle (3), described movable pull handle (3) is arranged in described first groove (9).

4. but according to the described perambulator that leans against the adjustment of angle multiple stage of claim 3, it is characterized in that: the elongate slot of described first groove (9) for vertically being provided with along described king-rod (6).

5. but according to the described perambulator that leans against the adjustment of angle multiple stage of claim 1, it is characterized in that: described multiple stage fixed gear plate (1) is an arched plate, comprise first arc tips (11) of indent and second arc tips (12) of evagination, described first arc tips (11) is provided with second groove (15), and described teeth groove (14) is arranged on described second groove (15) bottom.

6. but according to the described perambulator that leans against the adjustment of angle multiple stage of claim 5, it is characterized in that: described card body (7) is fastening end (71) near an end of described teeth groove (14), the vertical distance of described teeth groove (14) top end face and described first arc tips (11) end face is a, the maximum normal distance of fastening end (71) end face of described teeth groove (14) top end face and described card body (7) is b, and described b is less than described a.

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