CN105438241A - Baby carriage framework - Google Patents

Abstract

The invention discloses a baby carriage framework which can move from an unfolding position to a folding position and comprises: a front frame (1) on which a front wheel (101) is connected; the rear frame (2) is connected with a rear wheel (201), and the upper end of the rear frame (2) is hinged with the upper end of the front frame (1); the middle part of the backrest rod (3) is connected with a side handrail (4) of which one end is hinged with the backrest rod and the other end is hinged with the upper end of the front frame (1); a front longitudinal rod (5), one end of which is hinged on the front frame (1) and the other end is hinged on the lower part of the backrest rod (3); one end of the rear longitudinal rod (6) is hinged with the middle part of the rear frame (2), and the other end is hinged with the lower part of the backrest rod (3). The invention has simple structure and small volume after being folded.

Description

A baby carriage skeleton

【Technical field】

The invention relates to a baby carriage frame.

【Background technique】

At present, baby carriages have become an indispensable item in the growth process of children. Baby carriages on the market can generally be folded or unfolded, but the existing baby carriage skeleton structure is very complicated, resulting in bulky baby carriages, large volume after folding, and high manufacturing cost. Due to the complicated structure, people are very laborious when folding. And it is easy to damage the stroller. Therefore, people are very eager for a baby carriage with a simple structure and a small volume after being folded.

【Content of invention】

The object of the present invention is to overcome the disadvantages of the prior art and provide a baby carriage frame with simple structure and small volume after folding.

The present invention is achieved through the following technical solutions:

A stroller frame capable of moving from an unfolded position to a folded position, characterized in that it includes:

The front frame 1 is connected with the front wheel 101;

Rear vehicle frame 2, is connected with rear wheel 201 on it, and the upper end of described rear vehicle frame 2 is hinged with the upper end of front vehicle frame 1;

A backrest bar 3, the middle of which is connected with a side armrest 4 with one end hinged to it and the other end hinged to the upper end of the front frame 1;

Front longitudinal rod 5, one end of which is hinged on the front frame 1, and the other end is hinged on the lower part of backrest rod 3;

Rear longitudinal rod 6, one end is hinged on rear vehicle frame 2 middle part, and the other end is hinged on backrest rod 3 bottoms.

As above baby carriage frame, it is characterized in that: the lower part of the backrest bar 3 is connected with a hinge part 7, the front longitudinal bar 5 and the rear longitudinal bar 6 are respectively hinged on the hinge part 7, and the front longitudinal bar 5 and the hinge The hinge point of the part 7 is located below the hinge point of the rear longitudinal bar 6 and the hinge part 7 .

The baby carriage frame as above is characterized in that: the rear frame 2 includes a seat support section 21 that is hinged with the front frame 1 and tilts toward the back and bottom of the stroller frame, and the end of the seat support section 21 is connected with The frame support section 22 is integrally formed and bent downwards relative to it, and the rear wheel 201 is connected to the lower end of the frame support section 22 .

The above baby carriage frame is characterized in that: the inclination angle R between the seat support section 21 and the ground is 15° to 30°.

The above baby carriage frame is characterized in that: the angle between the frame support section 22 and the ground is larger than the angle between the seat support section 21 and the ground.

The baby carriage frame above is characterized in that: one end of the rear longitudinal bar 6 is hinged on the support section 22 of the vehicle frame.

The baby carriage frame above is characterized in that: the hinge points between the front longitudinal bar 5 and the rear longitudinal bar 6 and the backrest bar 3 are located below the seat support section 21 .

The baby carriage frame above is characterized in that: the hinge points of the front longitudinal bar 5 and the rear longitudinal bar 6 and the back bar 3 are located between the frame support section 22 and the front frame 1 .

The baby carriage frame as above is characterized in that: the baby carriage frame also includes a locking device that keeps it locked in the unfolded position and can fold the baby carriage frame by pushing the backrest bar 3 after unlocking.

The stroller frame as above is characterized in that: the seat support section 21 is provided with a cushion support member 8 capable of supporting the seat cushion of the stroller, the front frame 1 is provided with a pedal 9, and the The upper end of the backrest bar 3 is provided with a push rod 10 that can rotate relative thereto.

Compared with prior art, the present invention has following advantage:

1. The upper end of the front frame of the present invention is hinged to the upper end of the rear frame, one end of the side armrest is hinged to the upper end of the front frame, the other end is hinged to the middle of the backrest bar, one end of the front longitudinal bar is hinged to the middle of the front frame, and the other end is hinged to the The lower part of the backrest bar, one end of the rear longitudinal bar is hinged at the middle part of the rear vehicle frame, and the other end is hinged at the lower part of the backrest bar. Therefore, when the frame of the stroller is folded, the backrest bar is pushed forward, and the lower end of the backrest bar moves backward, so the hinged end of the front longitudinal bar and the lower part of the backrest bar also moves backward, and the hinged end of the rear longitudinal bar and the lower part of the backrest bar also moves backward. When moving backward, the hinged end of the side armrest and the backrest rod moves toward the rear frame, and the front frame is pulled by the front longitudinal rod and moves toward the rear frame, thereby completing the folding of the stroller frame. After folding, the volume is small and the structure is compact. , takes up little space and can be folded flexibly.

2. The present invention has simple structure, convenient manufacture, low cost and is suitable for popularization.

【Description of drawings】

Fig. 1 is one of perspective views of the present invention;

Fig. 2 is the second perspective view of the present invention;

Fig. 3 is a side view of the present invention;

Fig. 4 is one of the state diagrams in the folding process of the present invention;

Fig. 5 is the second state diagram during the folding process of the present invention;

Fig. 6 is the third state diagram during the folding process of the present invention;

Fig. 7 is a diagram of the folded state of the present invention.

【detailed description】

The present invention will be further described below in conjunction with accompanying drawing:

A stroller frame movable from an unfolded position to a folded position, comprising:

The front frame 1 is connected with the front wheel 101;

Rear vehicle frame 2, is connected with rear wheel 201 on it, and the upper end of described rear vehicle frame 2 is hinged with the upper end of front vehicle frame 1;

A backrest bar 3, the middle of which is connected with a side armrest 4 with one end hinged to it and the other end hinged to the upper end of the front frame 1;

Front longitudinal bar 5, one end of which is hinged at the middle of front frame 1, and the other end is hinged at the lower part of backrest bar 3;

Rear longitudinal rod 6, one end is hinged on rear vehicle frame 2 middle part, and the other end is hinged on backrest rod 3 bottoms.

Therefore, when the stroller frame is folded, the backrest bar 3 is pushed forward (in the direction of arrow A in Figure 4), and the lower end of the backrest bar 3 moves backward (in the direction of arrow B in Figure 5), so the front longitudinal bar 5 and the backrest bar 3 The hinged end of the lower part also moves backward (as shown in the arrow E direction in Figure 6), and the hinged end of the rear longitudinal bar 6 and the bottom of the backrest bar 3 also moves backwards (as shown in the arrow E direction in Figure 6), and the side armrests 4 and The hinged end of the backrest bar 3 moves toward the rear frame 2 (as shown in the direction of arrow C in Figure 6), and the front frame 1 moves toward the rear frame 2 under the traction of the front longitudinal rod 5 (as shown in the direction of arrow D in Figure 6). , so as to complete the folding of the baby carriage frame, the folded volume is small, the structure is compact, the occupied space is small, and the folding is flexible.

The lower part of the backrest bar 3 is connected with a hinged part 7, the front longitudinal bar 5 and the rear longitudinal bar 6 are respectively hinged on the hinged part 7, and the hinge point of the front longitudinal bar 5 and the hinged part 7 is located in the rear longitudinal direction. Below the hinge point of the rod 6 and the hinge 7 . Such a structural design can make the baby carriage frame smaller and more compact after being folded.

The rear frame 2 includes a seat support section 21 that is hinged with the front frame 1 and tilts toward the back and down of the stroller frame. The frame support section 22 , the rear wheel 201 is connected to the lower end of the frame support section 22 . The inclination angle R between the seat support section 21 and the ground is 15° to 30°. Such a structural design can make the baby carriage frame smaller and more compact after being folded.

The included angle between the vehicle frame supporting section 22 and the ground is greater than the included angle between the seat supporting section 21 and the ground.

One end of the rear longitudinal rod 6 is hinged on the frame support section 22 .

The hinge points between the front longitudinal bar 5 and the rear longitudinal bar 6 and the backrest bar 3 are all located below the seat support section 21 . Such a structural design can make the baby carriage frame smaller and more compact after being folded.

The hinge points between the front longitudinal bar 5 and the rear longitudinal bar 6 and the back bar 3 are located between the frame support section 22 and the front frame 1 . Such a structural design can make the baby carriage frame smaller and more compact after being folded.

The seat support section 21 is provided with a cushion support member 8 capable of supporting the seat cushion of the stroller. After installing flexible products such as seat cushions and cloaks on the stroller frame, the child can be placed in the stroller and pushed to walk, and the seat support 8 can play a good supporting role for the seat cushion. The seat support 8 can be a horizontal Rod structures such as rods may also be flat plate structures connected with the seat support section.

The described front frame 1 is provided with pedals 9 . Pedal 9 can be trampled on for children, makes children more comfortable.

The upper end of the backrest bar 3 is provided with a push rod 10 that can rotate relative thereto. The setting of the push rod 10 is convenient for the user to push the stroller.

The stroller frame also includes locking means that keep it locked in the unfolded position and enable the stroller frame to fold by pushing the backrest bar 3 after unlocking. Said locking device can adopt the locking device of traditional stroller framework in the prior art, and the locking device of traditional stroller framework generally all is provided with gear engaging structure at a certain hinge point, for example, between backrest bar 3 and rear longitudinal bar 6 A gear engaging structure that engages with the two is provided at the hinge, that is, a tooth groove is provided on the rear longitudinal rod 6, and a tooth groove is also provided on the backrest rod 3, and a gear capable of lateral sliding is provided at the hinge of the backrest rod 3 and the rear longitudinal rod 6 , when the gear and the tooth grooves on the back bar 3 and the rear longitudinal bar 6 are locked simultaneously (half of the gear is stuck in the back bar 3 and the other half is stuck in the rear longitudinal bar 6), the back bar 3 and the rear longitudinal bar The hinge point of the rod 6 cannot be rotated. At this time, the frame of the stroller is locked in the unfolded position. When the gear is pulled laterally by the pull wire and disengages from any one of the backrest rod 3 or the rear longitudinal rod 6, the backrest rod 3 and the rear longitudinal rod 6 will be separated from each other. The hinges can be rotated, and the stroller frame can be folded now.

Claims (10)

1. a perambulator skeleton, can move to folding position from expanded position, it is characterized in that: comprise:

Front vehicle frame (1), it is connected with front-wheel (101);

Rear frame (2), it is connected with trailing wheel (201), the upper end of described Rear frame (2) and the upper end thereof of front vehicle frame (1);

Back support bar (3), is connected with one end hinged with it in the middle part of it, the side handrail (4) of the other end and front vehicle frame (1) upper end thereof;

Front longitudinal rod (5), its one end is hinged in front vehicle frame (1), and the other end is hinged on back support bar (3) bottom;

Rear longitudinal rod (6), its one end is hinged on Rear frame (2) middle part, and the other end is hinged on back support bar (3) bottom.

2. perambulator skeleton according to claim 1, it is characterized in that: described back support bar (3) bottom is connected with articulated section (7), described front longitudinal rod (5) and rear longitudinal rod (6) are hinged on articulated section (7) respectively, and described front longitudinal rod (5) is positioned at the below of the hinge-point of rear longitudinal rod (6) and articulated section (7) with the hinge-point of articulated section (7).

3. perambulator skeleton according to claim 1 and 2, it is characterized in that: described Rear frame (2) comprises seat supporting section (21) that is hinged with front vehicle frame (1) and that tilt towards the perambulator skeleton back lower place, the end of described seat supporting section (21) is connected with one-body molded with it and the relative vehicle frame supporting section (22) that it bends downwards, and described trailing wheel (201) is connected to the lower end of vehicle frame supporting section (22).

4. perambulator skeleton according to claim 3, is characterized in that: described seat supporting section (21) is 15 ° to 30 ° with the slanted angle R on ground.

5. perambulator skeleton according to claim 3, is characterized in that: described vehicle frame supporting section (22) and the angle on ground are greater than the angle between seat supporting section (21) and ground.

6. perambulator skeleton according to claim 5, is characterized in that: one end of described rear longitudinal rod (6) is hinged on described vehicle frame supporting section (22).

7. perambulator skeleton according to claim 3, is characterized in that: described front longitudinal rod (5) and rear longitudinal rod (6) are all positioned at the below of seat supporting section (21) with the hinge-point of back support bar (3) respectively.

8. perambulator skeleton according to claim 3, is characterized in that: described front longitudinal rod (5) and rear longitudinal rod (6) respectively and the hinge-point of back support bar (3) be all positioned between vehicle frame supporting section (22) and front vehicle frame (1).

9. perambulator skeleton according to claim 1 and 2, is characterized in that: described perambulator skeleton also comprises makes it keep locking and the blocking device making perambulator skeleton folding after unblock by promoting back support bar (3) at expanded position.

10. perambulator skeleton according to claim 1 and 2, it is characterized in that: described seat supporting section (21) is provided with the seat support part (8) that can support perambulator seat cushion, described front vehicle frame (1) is provided with stretcher (9), and the upper end of described back support bar (3) is provided with the handspike (10) that can rotate to it.