CN106672050A - Stroller with one-baby and two-baby switching function - Google Patents

Abstract

The invention discloses a child stroller which can be converted between single and double persons. Its frame at least has a cross bar assembly extending along the left and right directions. The left connecting rod is slidably and telescopically arranged on the left end of the fixed rod, and the right connecting rod is slidably and telescopically arranged on the right end of the fixed rod along the length extension direction of the fixed rod. Bracket, the right end of the right connecting rod is fixedly provided with the second bracket, the fixed rod is fixedly provided with the third bracket and the fourth bracket, when the cross bar assembly is shortened along the left and right direction, the first bracket and the fourth bracket are fixedly arranged. The second bracket is equipped with a child seat pocket, and when the cross bar assembly is extended in the left and right directions, it is formed through the cooperation between the first bracket and the third bracket and the cooperation between the second bracket and the fourth bracket respectively. A child seat is installed respectively, so that the child stroller can be easily converted between a single use state and a double use state.

Description

Convertible stroller for single and double

technical field

The invention relates to a child stroller which can be converted between single and double persons.

Background technique

With more and more two-child families, double strollers are becoming more and more popular. However, on the market at present, double strollers usually have two seats. Even if there is only one child sitting upright, the two seats are installed on the stroller at the corresponding position of the seat at the same time; , also can't change the installation position of only one seat on the stroller, which largely affects the performance of the children's stroller when it is used as a single-person stroller. In addition, the two-person stroller in the prior art often has a large number of rods and a complex structure, and the folded volume is relatively large, which is not convenient for daily use and storage by users.

Contents of the invention

The object of the present invention is to provide a baby stroller which has a simple structure and can be easily switched between a single use state and a double use state.

In order to achieve the above object, the technical solution adopted by the present invention is: a children's stroller that can be converted between single and double persons, including a vehicle frame, a front wheel assembly located at the front of the bottom of the vehicle frame, and a rear wheel assembly located at the bottom of the vehicle frame. part of the rear wheel assembly, the vehicle frame at least has a crossbar assembly extending in the left and right direction, the crossbar assembly includes a fixed rod connected to the vehicle frame, slidable along the length extension direction of the fixed rod The left connecting rod telescopically arranged at the left end of the fixed rod, the right connecting rod slidably and telescopically arranged at the right end of the fixed rod along the length extension direction of the fixed rod, the left end of the left connecting rod is fixed A first bracket is provided on the ground, a second bracket is fixedly provided on the right end of the right connecting rod, a third bracket and a fourth bracket are fixedly provided on the fixed rod,

The baby stroller has a single-person use state and a double-person use state. When the baby stroller is in a single-person use state, the left link and the right link are respectively retracted relative to the fixed rod, and the first support The frame cooperates with the second bracket for grafting a single child seat to the frame; when the child stroller is in the double use state, the left link and the right link are respectively opposite to each other. The fixed rod is unfolded, the first bracket cooperates with the third bracket to graft a child seat to the vehicle frame, and the fourth bracket cooperates with the second bracket. Cooperate and graft another child's seat to the vehicle frame.

Preferably, the vehicle frame at least includes a bottom bracket assembly and a push rod assembly connected to the bottom bracket assembly, and the push rod assembly at least includes push rod side bars arranged on the left and right sides, and all push rods connected to the two sides. The lower push rod connecting rod between the lower parts of the push rod side rods and used to connect with the bottom bracket assembly, the lower push rod connecting rod can be telescopically arranged in the left and right directions, when the baby stroller is in the single-person In the use state, the lower push rod connecting rod is shortened along the left and right directions; when the baby stroller is in the double use state, the lower push rod connecting rod is respectively expanded along the left and right directions.

Further, the cross bar assembly is the lower push rod connecting rod, and the first bracket, the third bracket, the fourth bracket and the second bracket are obtained from the lower push rod connecting rod. The length extending direction is arranged at intervals from left to right on the lower push rod connecting rod.

Further, the push rod assembly further includes an upper push rod connecting rod connected between the upper parts of the push rod side rods on both sides, and the upper push rod connecting rod is also telescopically arranged along the left and right directions.

Furthermore, the bottom bracket assembly includes a front bracket and a rear bracket, the front bracket at least includes front struts that are respectively arranged on the left and right sides and extend in the up and down direction, and the rear bracket includes at least and the rear struts extending in the up and down direction, on the left side and the right side of the vehicle frame, the upper part of the front strut is pivotally connected with the upper part of the rear strut, and the cross bar assembly is connected to between the front struts on both sides or between the rear struts on both sides.

As a specific implementation, on the left side and the right side of the vehicle frame, the upper end of the front strut, the upper end of the rear strut, the shaft of the fixed rod on the cross bar assembly The three end parts are connected together in a relatively rotational manner.

Preferably, the bottom bracket assembly at least includes a rear bracket with the rear wheel assemblies on the left and right sides of the bottom, the rear bracket at least includes a rear cross bar extending in the left and right directions, and each set of the rear wheel assemblies includes The rear wheel base, the rear wheel arranged on the rear wheel base, and the rear connecting rod fixed on the rear wheel base for connecting with the rear cross bar, and the rear connecting rod extends along the left and right directions , and the rear connecting rod is slidably and telescopically connected with the rear cross bar.

Further, the bottom bracket assembly also includes a front bracket with the front wheel assemblies on the left and right sides of the bottom, the front bracket at least includes front cross bars extending in the left and right directions, and each set of front wheel assemblies includes The front wheel base, the front wheels arranged on the front wheel base, and the front connecting rod fixed on the front wheel base for connecting with the front cross bar, the front connecting rod extends along the left and right directions , and the front connecting rod is slidably and telescopically connected with the front cross bar.

Furthermore, the front bracket also includes front struts that are respectively arranged on the left and right sides and extend in the up and down direction, and the rear bracket also includes rear struts that are respectively arranged on the left and right sides and extend in the up and down direction. The front cross bar is connected between the lower parts of the front struts on both sides, the rear cross bar is connected between the lower parts of the rear struts on both sides, and on the left and right sides of the vehicle frame, the The upper part of the front strut, the upper part of the rear strut, and the lower push rod connecting rod are relatively rotatably connected.

Preferably, the third bracket and the fourth bracket are detachably or rotatably connected to the fixing rod through a bracket seat.

Due to the application of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art: the children's stroller that can be converted from one to two persons in the present invention, wherein a cross bar assembly that can be stretched in the left and right directions is set on the frame to use One child seat is installed when the crossbar assembly is shortened in the left and right direction, and two child seat pockets are installed when the crossbar assembly is extended in the left and right direction, so that the baby stroller can be conveniently used in a single use state and a double use state The operation is very convenient, which brings great convenience to the daily use of users.

Description of drawings

Accompanying drawing 1 is the three-dimensional view of the children's stroller of embodiment 1, wherein grafting single child's seat pocket on the vehicle frame;

Accompanying drawing 2 is the front view of accompanying drawing 1;

Accompanying drawing 3 is the three-dimensional view of the stroller of embodiment 1, wherein two child seat pockets are grafted on the vehicle frame;

Accompanying drawing 4 is the front view of accompanying drawing 3;

Accompanying drawing 5 is the three-dimensional view of the children's stroller of embodiment 2, wherein a single child's seat pocket is grafted on the vehicle frame;

Accompanying drawing 6 is the front view of accompanying drawing 5;

Accompanying drawing 7 is the perspective view of the children's stroller of embodiment 2, wherein two children's seat pockets are grafted on the vehicle frame;

Accompanying drawing 8 is the front view of accompanying drawing 7;

Among them: 100, child seat; 101, seat connector;

1. Front support; 11. Front support rod; 12. Front cross bar; 2. Rear support; 21. Rear support rod; 22. Rear cross bar;

3. Push rod assembly; 31. Push rod side rod; 32. Lower push rod connecting rod (cross bar assembly); 32a, fixed rod; 32b, left connecting rod; 32c, right connecting rod; 33. Upper push rod connecting rod ; 33a, the first pole; 33b, the second pole; 33c, the third pole; 33d, the fourth pole;

4. Front wheel assembly; 41. Front wheel seat; 42. Front wheel; 43. Front connecting rod;

5. Rear wheel assembly; 51. Rear wheel seat; 52. Rear wheel; 53. Rear connecting rod;

6. The first bracket; 7. The second bracket; 8. The third bracket; 9. The fourth bracket; 10. The bracket seat.

detailed description

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Example 1

Referring to the children's stroller shown in Figures 1 to 4, it includes a vehicle frame, a front wheel assembly 4 located at the bottom front of the vehicle frame, and a rear wheel assembly 5 located at the bottom rear of the vehicle frame. The vehicle frame includes a bottom bracket assembly, a push rod assembly 3 connected to the bottom bracket assembly, where the bottom bracket assembly includes a front bracket 1 and a rear bracket 2, the upper part of the front bracket 1, the upper part of the rear bracket 2 and the push rod 3 The lower parts are relatively rotatably connected together.

Specifically, the front bracket 1 includes front struts 11 which are respectively arranged on the left and right sides and extend in the up and down direction, and front cross bars 12 connected between the lower parts of the front struts 11 on both sides. On the left and right sides of the bottom of the front bracket 1; the rear bracket 2 includes a rear support rod 21 which is arranged on the left and right sides and extends along the up and down direction, a rear cross bar 22 connected between the lower parts of the rear support rods 21 on both sides, and the rear wheel There are two groups of components 5 and they are respectively arranged on the left and right sides of the lower part of the rear support 2 .

The push rod assembly 3 includes two push rod side rods 31 that are arranged on the left and right sides and extend along the up and down direction, a lower push rod connecting rod 32 connected between the lower parts of the push rod side rods 31 on both sides, and a push rod connected on both sides. The upper push rod connecting rod 33 between the tops of the side rods 31, wherein the lower push rod connecting rod 32 and the upper push rod connecting rod 33 are respectively arranged telescopically along the left and right directions, and the push rod assembly 3 is connected with the lower push rod connecting rod 32. The front support 1 and the rear support 2 are connected.

Specifically, the upper push rod link 33 includes a first rod 33a and a second rod 33b fixedly connected and extending in the left-right direction, a third rod 33c slidably inserted in the first rod 33a, and a third rod 33c slidably inserted in the first rod 33a. The ends of the fourth rod 33d, the third rod 33c and the fourth rod 33d in the second rod 33b are respectively fixedly connected with the upper ends of the push rod side rods 31 on both sides.

The lower push rod connecting rod 32 includes a fixed rod 32a that is used to be connected with the front bracket 1 or the rear bracket 2, a left connecting rod 32b that is slidably and telescopically arranged at the left end of the fixed rod 32a along the length extension direction of the fixed rod 32a, and a fixed rod 32b along the fixed rod 32a. The length extension direction of the rod 32a is slidably and telescopically arranged on the right connecting rod 32c at the right end of the fixed rod 32a. Here, the left connecting rod 32b and the right connecting rod 32c are respectively slidably and telescopically inserted in the rod cavity of the fixed rod 32a. In this embodiment, on each side of the left and right sides of the vehicle frame, the upper end of the front strut 11, the upper end of the rear strut 12, and the shaft end of the fixed rod 32a are relatively rotationally connected. together.

In this embodiment, the lower push rod connecting rod 32 is used as a cross bar assembly for grafting the child seat 100, wherein the left end of the left connecting rod 32b is fixed with the first bracket 6 and the right end of the right connecting rod 32c The second bracket 7 is fixed, and the middle of the fixed rod 32a is fixed on the third bracket 8 and the fourth bracket 9. The third bracket 8 and the fourth bracket 9 are detachable or removable through the bracket seat 10 together. It is rotatably mounted on the fixed rod 32a.

The left and right sides of the child seat 100 are provided with seat pocket connectors 101 that can be matched with the above-mentioned first bracket 6, second bracket 7, third bracket 8 and fourth bracket 9, so as to It is used for grafting the child seat 100 to the vehicle frame.

The stroller has a single use state where one child seat 100 is grafted and a double use state where two child seat 100 are grafted and used at the same time.

Referring to Fig. 1 and Fig. 2, the stroller is in a state of being used by a single person. At this time, the left connecting rod 32b and the right connecting rod 32c shrink relative to the fixed rod 32a respectively, so that the first bracket 6 and the second bracket 7 The distance between them is the width of a child's seat pocket 100. The seat socket connectors 101 on both sides of the child seat 100 are matched with the first bracket 6 and the second bracket 7 respectively, so that the installation of a single child seat 100 can be realized, so that the stroller can carry a Children use. In this use state, the user can disassemble the third bracket 8 and the fourth bracket 9 on the fixing rod 32a.

In the above-mentioned single-person use state, on the upper push rod connecting rod 33, the third rod 33c and the fourth rod 33d are retracted relative to the first rod 33a and the second rod 33b respectively, so that the push rod side rods 31 on both sides are closed. The spacing matches the width of a child's seat pocket 100, which is also convenient for adults to push and use.

Referring to Fig. 3 and Fig. 4, the baby stroller is in the double use state, the third bracket 8 and the fourth bracket 9 are fixedly installed on the fixed rod 32a through the bracket seat 10, at this time, the left connecting rod 32b and the The right connecting rod 32c slides and unfolds with respect to the fixed rod 32a respectively, so that the spacing between the first bracket 6 and the third bracket 8 corresponds to the width of a child seat pocket 100, while the second bracket 7 is connected to the fourth bracket. The spacing between the frames 9 corresponds to the width of another child seat 100 . In this way, the seat pocket connectors 101 on both sides of a child's seat 100 are matched with the first bracket 6 and the third bracket 8 respectively, and the seat pocket connectors 101 on both sides of the other child's seat 100 are respectively connected to The second bracket 7 is matched with the fourth bracket 9, so that two child seat pockets 100 are installed on the vehicle frame at the same time, so that the stroller can carry two children at the same time.

In the above-mentioned two-person use state, on the upper push rod connecting rod 33, the third rod 33c and the fourth rod 33d are laterally expanded relative to the first rod 33a and the second rod 33b respectively, so that the push rod side rods 31 on both sides The spacing matches the width of the two children's seat pockets 100, so that it is convenient for adults to push and use.

To sum up, in the process of switching between the single use state and the double use state of the stroller, the front support 1 and the rear support 2 as well as the front wheel assembly 4 and the rear wheel assembly 5 all remain stationary, and only Expand the lower push rod link 32 and the upper push rod link 33 horizontally, and install one child seat pocket 100 or two child seat pockets 100 by changing the positions and distances of the brackets on the lower push link link 32 , the conversion operation is convenient, and the structure is also very simple.

Example 2

Referring to the children's stroller shown in Figures 5 to 8, it includes a vehicle frame, a front wheel assembly 4 located at the bottom front of the vehicle frame, and a rear wheel assembly 5 located at the bottom rear of the vehicle frame. The main difference between the children's stroller and the children's stroller in Embodiment 1 is that the arrangement of the rear wheel assembly 5 is different.

In this embodiment, when the baby stroller is switched between the single use state and the double use state, the lateral spacing between the rear wheel assemblies 5 on both sides also changes accordingly.

Specifically, each set of rear wheel assemblies 5 includes a rear wheel base 51, a rear wheel 52 mounted on the rear wheel base 51, and a rear connecting rod 53 fixed on the rear wheel base 51 for connecting with the rear cross bar 22. , the rear connecting rod 53 extends along the left and right directions, and the rear connecting rods 53 on both sides are respectively connected to the rear cross bar 22 so as to slide along the left and right directions. Here, the left rear connecting rod 53 is slidably inserted in the rod cavity on the left side of the rear cross bar 22 along its own length direction, and the right rear connecting rod 53 is slidably inserted in the rear cross bar 22 along its own length direction. in the rod cavity on the right.

When the stroller is in a single-person use state, as shown in Figures 5 and 6, the lower push rod connecting rod 32 for installing the child seat 100 is shortened laterally, and the rear connecting rods on the rear wheel assemblies 5 on both sides 53 is also shrunk in the bar cavity of rear cross bar 22, so that the spacing along the transverse direction between the rear wheels 52 on both sides is compatible with the promotion of single-person vehicles; As shown, the lower push rod connecting rod 32 used to install the child seat 100 is stretched laterally to install two child seat 100 at the same time, and the rear connecting rods 53 on both sides are respectively deployed relative to the rear cross bar 22 so that the two The lateral spacing between the side rear wheels 52 is elongated, so as to adapt to the promotion of the double car, and then make the support of the baby stroller more stable when it is converted into a double car state.

In some other embodiments, when the stroller is switched between the single use state and the double use state, the lateral distance between the front wheel assemblies 4 on both sides can also be adjusted accordingly. The setting of the front wheel assembly 4 can be similar to the setting of the rear wheel assembly 5 in the second embodiment. Specifically: the front wheel assembly 4 on each side includes a front wheel base 41, a front wheel 42 located on the front wheel base 41, and a front connecting rod fixed on the front wheel base 41 for being connected with the front cross bar 12. 43 , the front connecting rods 43 extend along the left and right directions, and the front connecting rods 43 on both sides are respectively connected to the front cross bar 12 by sliding along the left and right directions. When the stroller is in a single-person use state, the front connecting rods 43 on both sides shrink relative to the front cross bar 12 respectively so that the distance between the front wheels 42 on both sides is small; The front connecting rods 43 are respectively deployed relative to the front cross bar 12 so that the distance between the front wheels 42 on both sides becomes larger.

Of course, on children's strollers with frames of other structural forms, a cross bar assembly similar to the above-mentioned lower push rod link 32 can also be provided to install a child when the cross bar assembly is shortened in the left and right directions. Seat pockets 100, two child seat pockets 100 are installed when the crossbar assembly is extended in the left and right directions, so that the stroller can be easily switched between the single-person use state and the double-person use state, and the operation is very convenient. It brings great convenience to users' daily use.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. A child stroller that can be converted by single or double persons, comprising a vehicle frame, a front wheel assembly located at the bottom front portion of the vehicle frame, and a rear wheel assembly located at the bottom rear portion of the vehicle frame, characterized in that: The vehicle frame at least has a cross bar assembly extending in the left and right directions, the cross bar assembly includes a fixed rod connected to the vehicle frame, and is slidably and telescopically arranged on the fixed rod along the length extension direction of the fixed rod. The left connecting rod at the left end of the rod, the right connecting rod slidably and telescopically arranged at the right end of the fixed rod along the length extension direction of the fixed rod, the left end of the left connecting rod is fixedly provided with a first bracket , the right end of the right connecting rod is fixedly provided with a second bracket, and the fixed rod is fixedly provided with a third bracket and a fourth bracket, The baby stroller has a single-person use state and a double-person use state. When the baby stroller is in a single-person use state, the left link and the right link are respectively retracted relative to the fixed rod, and the first support The frame cooperates with the second bracket for grafting a single child seat to the frame; when the child stroller is in the double use state, the left link and the right link are respectively opposite to each other. The fixed rod is unfolded, the first bracket cooperates with the third bracket to graft a child seat to the vehicle frame, and the fourth bracket cooperates with the second bracket. Cooperate and graft another child's seat to the vehicle frame. 2. The child stroller that can be converted between single and double persons according to claim 1, wherein the vehicle frame at least includes a bottom bracket assembly and a push rod assembly connected to the bottom bracket assembly, and the push rod assembly It includes at least push rod side rods arranged on the left and right sides, and a lower push rod connecting rod connected between the lower parts of the push rod side rods on both sides and used to connect with the bottom bracket assembly. The connecting rod can be arranged telescopically along the left and right directions. When the baby stroller is in the state of being used by a single person, the connecting rod of the lower push rod is shortened along the left and right direction; The push rod connecting rod is deployed along the left and right directions respectively. 3. The child stroller that can be converted between single and double persons according to claim 2, wherein the cross bar assembly is the lower push rod link, and the first bracket and the third bracket are , the fourth bracket and the second bracket are arranged on the lower push rod connecting rod at intervals from left to right in the length extension direction of the lower push rod connecting rod. 4. The single- and double-person convertible children's stroller according to claim 2, wherein the push rod assembly further includes an upper push rod connecting rod connected between the upper parts of the push rod side rods on both sides , the upper push rod connecting rod is also telescopically arranged along the left and right directions. 5. The baby stroller that can be converted between single and double persons according to claim 3 or 4, wherein the bottom bracket assembly includes a front bracket and a rear bracket, and the front bracket at least includes A front strut extending in the up and down direction, the rear bracket at least includes a rear strut that is arranged on the left and right sides and extends in the up and down direction, on the left and right sides of the vehicle frame, the upper part of the front strut It is pivotally connected with the upper part of the rear support rod, and the cross bar assembly is connected between the front support rods on both sides or between the rear support rods on both sides. 6. The baby stroller that can be converted between single and double persons according to claim 5, characterized in that: on the left side and the right side of the frame, the upper end of the front strut and the upper end of the rear strut The three parts, the shaft end of the fixed rod on the cross bar assembly, are relatively rotatably connected together. 7. The baby stroller that can be converted between single and double persons according to claim 2, 3 or 4, wherein the bottom bracket assembly at least includes rear brackets with the rear wheel assemblies on the left and right sides of the bottom, so The rear bracket at least includes a rear cross bar extending in the left and right directions, and each set of the rear wheel assembly includes a rear wheel seat, a rear wheel arranged on the rear wheel seat, and a rear wheel fixed on the rear wheel seat for A rear connecting rod connected to the rear cross bar, the rear connecting rod extends in the left and right direction, and the rear connecting rod is connected to the rear cross bar in a sliding and telescopic manner. 8. The baby stroller that can be converted between single and double persons according to claim 7, characterized in that: the bottom bracket assembly also includes front brackets with the front wheel assemblies on the left and right sides of the bottom, and the front brackets are at least It includes a front cross bar extending in the left and right directions, and each set of front wheel assemblies includes a front wheel base, a front wheel set on the front wheel base, and a front wheel fixed on the front wheel base for connecting with the front wheel base. The front connecting rod connected with the cross bar extends along the left and right direction, and the front connecting rod is connected with the front cross bar in a sliding and telescopic manner. 9. The baby stroller that can be converted between single and double persons according to claim 8, characterized in that: the front bracket further includes front struts that are respectively arranged on the left and right sides and extend along the up and down directions, and the rear bracket also includes Rear struts that are located on the left and right sides and extend in the up and down direction, the front cross bar is connected between the lower parts of the front struts on both sides, and the rear cross bar is connected to the rear struts on both sides Between the lower parts, on the left side and the right side of the vehicle frame, the upper part of the front strut, the upper part of the rear strut, and the lower push rod connecting rod are relatively rotationally connected. 10. The baby stroller that can be converted between single and double persons according to claim 1, wherein the third bracket and the fourth bracket are detachably or rotatably connected to the fourth bracket through a bracket seat. on the fixed rod.