CN217496221U

CN217496221U - Folding frame of baby carriage

Info

Publication number: CN217496221U
Application number: CN202220774681.7U
Authority: CN
Inventors: 庄长安; 曾庆乐
Original assignee: Steady Baby And Child Products Huizhou Co ltd
Current assignee: Steady Baby And Child Products Huizhou Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-09-27
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a baby carriage folding frame, which comprises a frame main body, wherein the frame main body consists of a front leg support, a rear leg support, a supporting bracket, a connecting joint seat, a joint linkage rod, a chassis connecting rod and a supporting leg rod, the front leg support, the rear leg support and the supporting bracket are integrally in a U-shaped frame shape, the middle part of the upper end of the connecting joint seat, the front side and the rear side of the lower end of the connecting joint seat are respectively provided with a first shaft seat, a second shaft seat and a third shaft seat, the upper ends of the left side and the right side of the front leg support and the rear side of the supporting bracket are respectively provided with a connecting column, the connecting column of the supporting bracket and the first shaft seat are provided with screw holes matched in relative position, the connecting column of the front leg support and the second shaft seat are provided with screw holes matched in relative position, the connecting column of the rear leg support and the third shaft seat are provided with screw holes matched in relative position, the connecting columns on the two sides of the supporting bracket are respectively and rotatably connected to the first shaft seats connected with the joint seats.

Description

Folding frame of baby carriage

Technical Field

The utility model belongs to the technical field of the perambulator, concretely relates to perambulator folding chassis.

Background

Infant appliances such as baby dining chairs and strollers are well used in the daily life of nurseries, and the infant products on the market have many different types of products according to the functional division, wherein the foldable strollers are very popular among consumers. The foldable baby carriage can be folded to store the carriage, but the seat frame part of the existing baby carriage cannot be folded, and the folding movable range of the seat is small, so that the folding degree is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a baby carriage folding chassis to solve the problem that proposes among the above-mentioned background art.

This utility model adopts for reaching the above purpose the technical scheme is:

a foldable baby carriage frame comprises a carriage frame main body, wherein the carriage frame main body is composed of a front foot support, a rear foot support, a supporting support, a connecting joint seat, a joint linkage rod, a bottom frame connecting rod and supporting foot rods, the front foot support, the rear foot support and the supporting support are integrally in a U-shaped frame shape, a first shaft seat, a second shaft seat and a third shaft seat are respectively formed in the middle of the upper end and the front side and the rear side of the lower end of the connecting joint seat, connecting columns are respectively formed in the upper ends of the left side and the right side of the front foot support and the lower ends of the left side and the right side of the supporting support, screw holes matched in opposite positions are formed in the connecting columns of the supporting support and the first shaft seat, screw holes matched in opposite positions are formed in the connecting columns of the front foot support and the second shaft seat, screw holes matched in opposite positions are formed in the connecting columns of the rear foot support and the third shaft seat, the connecting columns on the two sides of the supporting support are respectively and rotatably connected to the first shaft seat, the connecting columns on two sides of the front foot support are respectively and fixedly connected to a second shaft seat connected with a joint seat, the connecting columns on two sides of the rear foot support are respectively and rotatably connected to a third shaft seat connected with the joint seat, the connecting columns of the rear foot support are rotatably connected with the third shaft seat by adopting bolts to drill screw holes, the lower ends of the inner side walls of the connecting columns on the same side of the front foot support and the rear foot support are rotatably connected with a chassis connecting rod, a joint linkage rod is rotatably connected between the middle part of the connecting column on the inner side wall of the supporting support and the first shaft seat on the same side, and a horizontal rod is fixedly connected between the inner side walls of two ends of the front foot support, the supporting leg rod is rotatably connected to the horizontal rod, the top ends of the left side and the right side of the supporting leg rod are fixedly connected with rubber suspension hook heads, and the supporting leg rod is embedded on the horizontal rod through the rubber suspension hook heads.

The left end and the right end of the lower side of the front foot support are respectively and fixedly connected with a bending connecting seat, and a first rotating wheel which is horizontally arranged forwards is rotatably connected in the bending connecting seat.

The left side and the right side of the lower end of the rear foot support are respectively provided with an extension rod, the rear foot support and the extension rods are arranged in parallel and in the same plane, the bottom ends of the two extension rods are fixedly connected with supporting wheel seats, and the left end and the right end of each supporting wheel seat are rotatably connected with second rotating wheels which are horizontally arranged forwards.

It is further described that when the first axis seat of the supporting bracket connected with the joint seat rotates backwards to the maximum, the supporting bracket and the front leg bracket are parallel and coplanar, and when the third axis seat of the rear leg bracket connected with the joint seat rotates backwards to the maximum, the included angle between the front leg bracket and the rear leg bracket is between 60 degrees and 90 degrees.

It is further described that when the first shaft seat connected with the joint seat rotates forwards to the maximum extent, the support bracket and the front foot bracket are in parallel opposite direction.

It is further explained that the rear foot support rotates forwards to the maximum extent on the third shaft seat connected with the joint seat, and the included angle between the rear foot support and the rear foot support is less than 10 degrees.

Compared with the prior art, the beneficial effects of the utility model reside in that:

when the foldable bicycle frame is applied to practice, the front foot support, the rear foot support and the supporting support are connected through the connecting joint seats, the angle range of the foldable bicycle frame is wide in the turnover mode, the bicycle frame main body can be folded to the maximum degree through the folding rotation of the rear foot support and the supporting support to the front foot support, the bicycle frame main body is far away from the front foot support through the rear foot support and the supporting support and can be unfolded to the maximum degree, and the bicycle frame main body can be unfolded to an application state.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the folding process of the present invention;

wherein: 1. a forefoot cradle; 2. a rear foot support; 3. a support bracket; 4. connecting a joint seat; 5. a joint linkage rod; 6. a chassis connecting rod; 7. a support leg bar; 8. a first shaft seat; 9. a second shaft base; 10. a third shaft seat; 11. connecting columns; 12. a horizontal bar; 13. a rubber suspension hook head; 14. bending the connecting seat; 15. a first runner; 16. an extension rod; 17. a support wheel seat; 18. A second wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides the following technical solutions:

a folding frame of a baby carriage comprises a frame main body, the frame main body is composed of a front foot support 1, a rear foot support 2, a supporting support 3, a connecting joint seat 4, a joint linkage rod 5, a chassis connecting rod 6 and a supporting foot rod 7, the front foot support 1, the rear foot support 2 and the supporting support 3 are integrally in a U-shaped frame shape, a first shaft seat 8, a second shaft seat 9 and a third shaft seat 10 are respectively formed in the middle of the upper end and the front side and the rear side of the lower end of the connecting joint seat 4, connecting columns 11 are respectively formed in the upper ends of the left side and the right side of the front foot support 1 and the rear side of the rear foot support 2 and the lower ends of the left side and the right side of the supporting support 3, screw holes which are matched with each other are formed in the connecting column 11 of the supporting support 3 and the first shaft seat 8, screw holes which are matched with each other are formed in the connecting column 11 of the front foot support 1 and the second shaft seat 9, screw holes which are matched with each other are formed in the connecting column 11 of the rear foot support 2 and the third shaft seat 10, the connecting columns 11 on both sides of the supporting bracket 3 are respectively and rotatably connected on a first shaft seat 8 connected with a joint seat 4, the connecting columns 11 of the supporting bracket 3 are rotatably connected with the first shaft seat 8 through adopting bolt pieces to drill screw holes, the connecting columns 11 on both sides of the front foot bracket 1 are respectively and fixedly connected on a second shaft seat 9 connected with the joint seat 4, the connecting column 11 of the front foot bracket 1 is fixedly connected with the second shaft seat 9 through adopting bolt pieces to drill screw holes, the connecting columns 11 on both sides of the rear foot bracket 2 are respectively and rotatably connected on a third shaft seat 10 connected with the joint seat 4, the connecting column 11 of the rear foot bracket 2 is rotatably connected with the third shaft seat 10 through adopting bolt pieces to drill screw holes, a chassis connecting rod 6 is rotatably connected between the lower ends of the inner side walls of the connecting columns 11 on the same side of the front foot bracket 1 and the rear foot bracket 2, and a joint linkage rod 5 is rotatably connected between the middle part of the inner side walls of the connecting columns 11 of the supporting bracket 3 and the first shaft seats 8 on the same side, the horizontal rod 12 is fixedly connected between the inner side walls of the two ends of the front foot support 1, the supporting foot rod 7 is rotatably connected onto the horizontal rod 12, the rubber suspension hook heads 13 are fixedly connected to the top ends of the left side and the right side of the supporting foot rod 7, and the supporting foot rod 7 is embedded on the horizontal rod 12 through the rubber suspension hook heads 13.

In addition, both ends are fixedly connected with connecting seat 14 of bending respectively about the downside of preceding foot rest 1, the first runner 15 that the level set up forward is connected to the internal rotation of connecting seat 14 of bending, extension rod 16 is formed with respectively in both sides about the lower extreme of back foot rest 2, extension rod 16 parallel coplane sets up, the bottom fixedly connected with supporting wheel seat 17 of two extension rods 16, supporting wheel seat 17 rotates and is connected with the second runner 18 that the level set up forward about both ends, first runner 15, the removal of the frame main part is convenient for in the setting of second runner 18.

Under the limit of the joint linkage rod 5, when the support bracket 3 rotates backwards to the maximum degree on the first shaft seat 8 connected with the joint seat 4, the support bracket 3 and the front foot bracket 1 are parallel and coplanar, and when the rear foot bracket 2 rotates backwards to the maximum degree on the third shaft seat 10 connected with the joint seat 4, under the limit of the underframe connecting rod 6, the included angle between the front foot bracket 1 and the rear foot bracket 2 is between 60 degrees and 90 degrees; when the first shaft seat 8 connected with the joint seat 4 of the supporting bracket 3 rotates forwards to the maximum degree, the supporting bracket 3 and the front foot bracket 1 are parallel and opposite; the rear foot support 2 rotates forwards to the maximum degree on a third shaft seat 10 connected with the joint seat 4, and the included angle between the rear foot support 2 and the rear foot support 2 is less than 10 degrees; when the foldable bicycle frame is applied to practice, the front foot support 1, the rear foot support 2 and the supporting support 3 are connected through the connecting joint seat 4, the foldable bicycle frame is large in turnover angle range, the bicycle frame body can be folded to the maximum degree to the front foot support 1 through the folding rotation of the rear foot support 2 and the supporting support 3, the bicycle frame body is unfolded to the maximum degree through the rear foot support 2 and the supporting support 3 far away from the front foot support 1, and the bicycle frame body can be unfolded to an application state.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a perambulator folding chassis, includes the frame main part, its characterized in that: the frame main body consists of a front leg support (1), a rear leg support (2), a support (3), a connecting joint seat (4), a joint linkage rod (5), a chassis connecting rod (6) and a support leg rod (7), wherein the front leg support (1), the rear leg support (2) and the support (3) are integrally in a U-shaped frame shape, a first shaft seat (8), a second shaft seat (9) and a third shaft seat (10) are respectively formed in the middle of the upper end and on the front and rear sides of the lower end of the connecting joint seat (4), connecting columns (11) are respectively formed on the upper ends of the left side and the right side of the front leg support (1) and the rear leg support (2) and on the lower ends of the left side and the right side of the support (3), screw holes which are matched with each other in a relative position are formed on the connecting column (11) of the support (3) and the first shaft seat (8), screw holes which are matched with each other in a relative position are formed on the connecting column (11) and the second shaft seat (9) of the front leg support (1), the screw hole matched with the relative position begins to be formed in a connecting column (11) and a third shaft seat (10) of a rear foot support (2), the connecting columns (11) on two sides of a support (3) are respectively and rotatably connected to a first shaft seat (8) connected with a joint seat (4), the connecting column (11) and the first shaft seat (8) of the support (3) are rotatably connected by adopting a bolt piece to drill into the screw hole, the connecting columns (11) on two sides of a front foot support (1) are respectively and fixedly connected to a second shaft seat (9) connected with the joint seat (4), the connecting column (11) and the second shaft seat (9) of the front foot support (1) are fixedly connected by adopting a bolt piece to drill into the screw hole, the connecting columns (11) on two sides of the rear foot support (2) are respectively and rotatably connected to the third shaft seat (10) connected with the joint seat (4), and the connecting column (11) and the third shaft seat (10) of the rear foot support (2) are respectively and drill into the screw hole by adopting a bolt piece Rotate mutually and connect, it is connected with chassis connecting rod (6) to rotate between spliced pole (11) the inside wall lower extreme of preceding foot support (1), back foot support (2) homonymy, it is connected with joint gangbar (5) to rotate between spliced pole (11) inside wall middle part of support bracket (3) and first axle bed (8) of homonymy, fixedly connected with horizon bar (12) between the both ends inside wall of preceding foot support (1), it is connected with support foot pole (7) to rotate on horizon bar (12), the left and right sides top fixedly connected with rubber of support foot pole (7) hangs gib head (13), support foot pole (7) hang gib head (13) nestification on horizon bar (12) through rubber.

2. A stroller folding frame according to claim 1, characterized in that: the left end and the right end of the lower side of the front foot support (1) are respectively and fixedly connected with a bending connecting seat (14), and a first rotating wheel (15) which is horizontally arranged forwards is rotatably connected in the bending connecting seat (14).

3. A stroller folding frame according to claim 1, characterized in that: the lower extreme left and right sides of back foot support (2) is formed with extension rod (16) respectively, back foot support (2), extension rod (16) parallel coplane setting, the bottom fixedly connected with of two extension rods (16) supports wheel seat (17), both ends are rotated and are connected with second runner (18) that the level set up forward about supporting wheel seat (17).

4. A stroller folding frame according to claim 1, characterized in that: when the supporting bracket (3) rotates backwards to the maximum degree on the first shaft seat (8) connected with the joint seat (4), the supporting bracket (3) and the front foot bracket (1) are parallel and coplanar, and when the rear foot bracket (2) rotates backwards to the maximum degree on the third shaft seat (10) connected with the joint seat (4), the included angle between the front foot bracket (1) and the rear foot bracket (2) is 60-90 degrees.

5. A stroller folding frame according to claim 1, characterized in that: when the supporting bracket (3) is connected with the first shaft seat (8) of the joint seat (4) and rotates forwards to the maximum degree, the supporting bracket (3) and the front foot bracket (1) are parallel and opposite.

6. A stroller folding frame according to claim 1, characterized in that: the rear foot support (2) rotates forwards to the maximum degree on a third shaft seat (10) connected with the joint seat (4), and the included angle between the rear foot support (2) and the rear foot support (2) is smaller than 10 degrees.