CN204432729U - Child folding go-cart - Google Patents

Abstract

The utility model discloses a folding stroller for children, wherein the stroller frame includes a front bracket, a rear bracket, a push rod, a rear support rod, a seat rod and a basket frame rod, and the upper part of the rear bracket is rotatably connected to the front bracket; The lower part of the push rod is rotatably connected to the rear of the front bracket; the upper and lower parts of the rear stay are rotatably connected to the push rod and the rear bracket respectively; the front end of the seat rod is rotatably connected to the front bracket; The seat post and the rear bracket are rotatably connected. When the stroller frame is in the unfolded state, a triangular structure is formed between the front support, the rear support, the basket rod and the seat rod, and another triangle structure is formed between the front support, the rear support, the rear support rod and the push rod, so that The stroller frame has strong rigidity and good stability. The children's folding stroller has a simple structure and a small number of rods. The unfolding and folding operations of the stroller frame are convenient and easy. Compact, takes up little space, easy to carry and store.

Description

children's folding stroller

technical field

The utility model relates to a folding stroller for children.

Background technique

The children's stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a front wheel assembly and a rear wheel assembly arranged at the bottom of the stroller frame, and is used to lock the stroller frame in the unfolded state the locking mechanism. There are many types of existing children's strollers, the number of rods of the stroller frame is different, and the connection positions between the rods are different, so the folding principles and folding methods are different, and some children's strollers have a large number of rods , poor structural rigidity and stability.

Contents of the invention

The purpose of the utility model is to provide a children's folding stroller which is simple in structure, less in number of rods, strong in rigidity, high in stability, and convenient in folding and unfolding.

For achieving the above object, the technical scheme that the utility model adopts is:

A folding stroller for children, comprising a stroller frame in an unfolded state and a folded state, a front wheel assembly arranged at the front bottom of the stroller frame, and a rear wheel set at the bottom rear of the stroller frame Assembly, a locking mechanism for locking said stroller frame in an unfolded state, said stroller frame comprising:

A front bracket, the front bracket extends along the front-to-back direction, and the front wheel assembly is arranged at the front of the front bracket;

a rear bracket, the upper part of the rear bracket is rotatably connected to the front bracket, and the rear wheel assembly is arranged at the lower part of the rear bracket;

a push rod, the lower part of which is rotatably connected to the rear part of the front bracket;

a rear strut, the upper part of the rear strut is rotatably connected to the push rod, and the lower part of the rear strut is rotatably connected to the rear bracket;

a seat post, the seat post extending along the front-to-rear direction, the front portion of the seat post being rotatably connected to the front bracket;

a basket rod, the basket rod extends along the front-rear direction, and the basket rod is respectively rotatably connected to the seat rod and the rear bracket;

When the cart frame is unfolded, a triangular structure is formed between the front bracket, the rear bracket, the basket rod and the seat rod, and at the same time, the front bracket, the rear bracket, the rear Another triangular structure is formed between the strut and the push rod, and the two triangular structures are two four-bar linkages.

Preferably, the upper part of the rear support is pivotally connected to the front support via a first shaft.

Further, the lower part of the push rod is pivotally connected to the rear of the front bracket through the second shaft, and when the cart frame is unfolded, on the front bracket, the first shaft is located on the forward of the second axis.

Furthermore, the upper part of the rear brace is pivotally connected to the push rod through a third shaft, and when the cart frame is unfolded, on the push rod, the second shaft is located at the first below the triaxial.

Further, the front portion of the seat post is pivotally connected to the front bracket through a fourth shaft, and when the stroller frame is unfolded, on the front bracket, the fourth shaft is located at the first Axis ahead.

Further, the basket rod is pivotally connected to the seat rod and the rear bracket through the fifth shaft and the sixth shaft respectively, when the stroller frame is unfolded, on the seat rod, the The fourth axis is located in front of the fifth axis, and on the basket rod, the fifth axis is located in front of the sixth axis.

Furthermore, the lower part of the rear support rod is pivotally connected to the rear bracket through the seventh shaft, and when the stroller frame is unfolded, on the rear bracket, the first shaft is located on the Above the sixth axis, the sixth axis is located above the seventh axis.

Preferably, the cart frame includes side brackets located on both sides of the cart frame and a transverse link between the side brackets on both sides, and the side brackets on each side include the the front bracket, the rear bracket, the push rod, the rear strut, the seat bar and the basket bar, the basket bar is arranged on the outside of the seat bar and It is arranged on the inner side of the rear bracket.

Further, the horizontal connecting rod includes a first horizontal connecting rod whose two ends are respectively connected to the upper parts of the push rods on both sides, and a second horizontal connecting rod whose two ends are respectively connected to the seat rods on both sides , a third horizontal connecting rod whose two ends are respectively connected to the basket rods on both sides, and a fourth horizontal connecting rod whose two ends are respectively connected to the lower part of the rear bracket on both sides.

Preferably, the locking mechanism includes a locking unit provided between the seat bar and the basket bar for locking both.

Due to the application of the above technical solutions, the utility model has the following advantages compared with the prior art: when the children's folding stroller of the utility model is in the unfolded state, a triangular structure is formed between the front bracket, the rear bracket, the basket rod and the seat rod , at the same time, another triangular structure is formed between the front bracket, rear bracket, rear strut and push rod, which makes the cart frame have strong rigidity and good stability. Less, the unfolding and folding operation of the cart frame is convenient and easy, and the folded cart frame has a compact structure, takes up little space, and is easy to carry and store.

Description of drawings

Accompanying drawing 1 is the three-dimensional view of children's foldable stroller of the present utility model in unfolded state;

Accompanying drawing 2 is the side view of the folding stroller for children of the present invention in the unfolded state

Accompanying drawing 3 is the side view of the folding stroller for children of the present invention in a half-folded state;

Accompanying drawing 4 is the side view of the folding stroller for children of the present invention in the folded state.

Among them: 1. Front bracket; 2. Rear bracket; 3. Push rod; 4. Rear strut; 5. Seat rod; 6. Basket rod; 71. First axis; 72. Second axis; 73. Third Axis; 74, the fourth axis; 75, the fifth axis; 76, the sixth axis; 77, the seventh axis; 81, the first transverse link; 82, the second transverse link; 83, the third transverse link; 84, the fourth horizontal link; 9, the locking mechanism; 100, the front wheel assembly; 200, the rear wheel assembly.

Detailed ways

The technical solution of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

Referring to the children's folding stroller shown in Figures 1 to 4, it includes a stroller frame with an unfolded state and a folded state, a front wheel assembly 100 located at the bottom front of the stroller frame, and a front wheel assembly 100 located at the bottom of the stroller frame. The rear wheel assembly 200 of the part and the locking mechanism 9 for locking the stroller frame in the unfolded state.

The stroller frame includes a front support 1, a rear support 2, a push rod 3, a rear support bar 4, a seat bar 5 and a basket bar 6, the front support 1 is gradually tilted up from front to back, and the front wheel assembly 100 is arranged on the front support 1; the upper part of the rear bracket 2 is rotatably connected to the front bracket 1, and the rear wheel assembly 200 is located at the bottom of the rear bracket 2; the front part of the push rod 3 is rotatably connected to the rear of the front bracket 1; The top of rear stay 4 is rotatably connected with push rod 3, and the bottom of back stay 4 is rotatably connected with rear support 2; Rotationally connected; the basket rod 6 extends along the front and rear directions, and the basket rod 6 is rotatably connected with the seat rod 5 and the rear bracket 2 respectively. A four-bar linkage is formed between the front support 1, the rear support 2, the seat bar 5 and the basket bar 6 like this, and a four-bar linkage is also formed between the front support 1, the rear support 2, the push rod 3 and the rear support bar 4. Linkage.

Specifically, as shown in Figures 1 and 2, the upper part of the rear bracket 2 is pivotally connected to the front bracket 1 through the first shaft 71, and the lower part of the push rod 3 is pivotally connected to the rear of the front bracket 1 through the second shaft 72. On the front bracket 1 , the first shaft 71 is located in front of the second shaft 72 . The front portion of the seat post 5 is pivotally connected to the front frame 1 via a fourth shaft 74 , on the front frame 1 , the fourth shaft 74 is located in front of the first shaft 71 . The basket bar 6 is pivotally connected to the seat bar 5 and the rear support 2 by the fifth shaft 75 and the sixth shaft 76 respectively. On the seat bar 5, the fourth shaft 74 is positioned at the front of the fifth shaft 75. 6, the fifth axis 75 is located in front of the sixth axis 76. The upper part of the rear strut 4 is pivotally connected to the push rod 1 by a third shaft 73, on which the second shaft 72 is located below the third shaft 73, and the lower part of the rear strut 4 is pivoted by a seventh shaft 77 The shafts are connected to the rear bracket 2, and on the rear bracket 2, the first shaft 71 is located above the sixth shaft 76, and the sixth shaft 76 is located above the seventh shaft 77. The above-mentioned relative positional relationship of each pivot refers to the situation that the cart frame is in the unfolded state.

Specifically, referring to the accompanying drawings, in this embodiment:

The cart frame includes side supports on both sides of the cart frame and a transverse link arranged between the side supports on both sides. The side supports on each side include a front support 1, a rear support 2, a push rod 3, The rear strut 4, the seat bar 5 and the basket bar 6, the basket bar 6 is located on the outside of the seat bar 5 and on the inside of the rear bracket 2. The transverse link comprises a first transverse link 81 whose two ends are respectively connected to the upper parts of the push rods 3 on both sides, a second transverse link 82 whose two ends are respectively connected to the seat bars 5 on both sides, and two ends respectively The third horizontal connecting rod 83 connected with the basket rods 6 on both sides, and the fourth horizontal connecting rod 84 connected with the lower parts of the rear brackets 2 on both sides respectively.

The locking mechanism 9 can be arranged between any two pivotally connected rods in the above two four-bar linkages and is used to lock the two rods so as to lock the four-bar linkage where the two rods are located, and at the same time Also another four-bar linkage is locked, and then the cart frame can be locked. In this embodiment, the locking mechanism 9 includes a locking unit arranged between the seat bar 5 and the basket bar 6 for locking the two. When the locking unit is locked, the front support 1, the rear support 2, the seat bar 5 and the front support 1 are locked. The four-bar linkage mechanism formed between the basket rods 6 is locked, so that the front bracket 1 and the rear bracket 2 are fixed to each other, and the four-link mechanism formed between the front bracket 1, the rear bracket 2, the push rod 3 and the rear support rod 4 The mechanism is also locked so that the bars of the cart frame are fixed relative to each other.

When the stroller frame is unfolded, as shown in Figure 1 and Figure 2, the locking mechanism 9 is locked, the front wheel assembly 100 and the rear wheel assembly 200 are supported on the ground, the front bracket 1, the rear bracket 2, the basket rod 6 and the seat rod 5 forms a triangular structure, and another triangular structure is formed between the front bracket 1, the rear bracket 2, the rear strut 4 and the push rod 3, and the cart frame is stably in the unfolded state, and the cart frame is in the It has good rigidity in the unfolded state.

When it is necessary to fold the cart frame, as shown in Figure 3, first unlock the locking mechanism 9, press down on the rear of the push rod 3, and make the push rod 3 turn downwards and backwards, and the push rod 3 will turn over after driving The strut 4 moves downward, driving the rear bracket 2 to move closer to the front bracket 1. During the movement of the rear bracket 2, the basket rod 6 is driven to turn over clockwise, and the seat bar 5 is turned counterclockwise, thereby driving the front bracket 1 to turn counterclockwise and move backward. The brackets 2 move closer together, which makes the push rod 3, the rear bracket 2, the seat bar 5, the basket frame bar 6 and the front bracket 1 gradually move closer together along the front-to-back direction, and at the same time, the front wheel assembly 100 and the rear wheel assembly 200 gradually move closer together along the front-to-back direction. Finally, the state shown in FIG. 4 is formed, and the rods on the cart frame are closely connected together. During the folding process of the frame, the front wheel assembly 100 and the rear wheel assembly 200 are always standing on the ground, so that It is more convenient to fold. The folded trolley frame has a very compact structure, takes up little space, and is convenient for storage and carrying.

When the stroller frame needs to be expanded for use, pull the push rod 3 upwards to pull the rear strut 4, the rear support 2, the basket rod 6, the seat bar 5 and the front support 1 to turn over, so that the stroller frame Each bar member of each bar is launched gradually, and after the cart frame is fully launched, the locking mechanism 9 locks.

To sum up, in the folding stroller for children of the present utility model, when the stroller frame is in the unfolded state, between the front bracket, the rear bracket, the basket rod and the seat rod and between the front bracket, the rear bracket, the rear support rod and the push rod Each of them forms a triangular structure, so that the cart frame has strong rigidity and good stability in the unfolded state. The children's folding stroller has a simple structure, a small number of rods, a simple and elegant appearance, convenient and easy unfolding and folding operations of the stroller frame, and the folded stroller frame has a compact structure, takes up little space, and is easy to carry and store.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. a child folding go-cart, comprise the stroller frame with deployed condition and folded state, the front component being located at front portion at the bottom of described stroller frame, be located at rear portion at the bottom of described stroller frame wheel assembly, for by described stroller frame locking lockout mechanism in the deployed state, it is characterized in that, described stroller frame comprises:

Front frame, described front frame extends along the longitudinal direction, and described front component is located at the front portion of described front frame;

After poppet, the top of described after poppet is rotatably connected on described front frame, and described wheel assembly is located at the bottom of described after poppet;

Push rod, is connected to the rear portion of described front frame the lower rotatable of described push rod;

Rear pole, the top of described rear pole is connected rotationally with described push rod, and the bottom of described rear pole is connected rotationally with described after poppet;

Seat post, described seat post extends along the longitudinal direction, and the front portion of described seat post is connected rotationally with described front frame;

Basket rod, described basket rod extends along the longitudinal direction, and described basket rod is connected rotationally with described seat post and described after poppet respectively;

When described stroller frame is launched, triangular structure is formed between described front frame, described after poppet, described basket rod and described seat post, form another triangular structure between described front frame, described after poppet, described rear pole and described push rod, described two triangular structures are two four-bar linkages simultaneously.

2. child folding go-cart according to claim 1, is characterized in that: the top of described after poppet is pivotally connected on described front frame by the first axle.

3. child folding go-cart according to claim 2, it is characterized in that: the bottom of described push rod is pivotally connected in the rear portion of described front frame by the second axle, when described stroller frame is launched, on described front frame, described first axle is positioned at the front of described second axle.

4. child folding go-cart according to claim 3, is characterized in that: the top of described rear pole is pivotally connected on described push rod by the 3rd axle, and when described stroller frame is launched, on described push rod, described second axle is positioned at the below of described 3rd axle.

5. child folding go-cart according to claim 2, it is characterized in that: the front portion of described seat post is pivotally connected on described front frame by the 4th axle, when described stroller frame is launched, on described front frame, described 4th axle is positioned at the front of described first axle.

6. child folding go-cart according to claim 5, it is characterized in that: described basket rod is pivotally connected on described seat post and described after poppet respectively by the 5th axle and the 6th axle, when described stroller frame is launched, in described seat post, described 4th axle is positioned at the front of described 5th axle, on described basket rod, described 5th axle is positioned at the front of described 6th axle.

7. child folding go-cart according to claim 6, it is characterized in that: the bottom of described rear pole is pivotally connected on described after poppet by the 7th axle, when described stroller frame is launched, in the rear on support, described first axle is positioned at the top of described 6th axle, and described 6th axle is positioned at the top of described 7th axle.

8. child folding go-cart according to claim 1, it is characterized in that: described stroller frame comprises the tranverse connecting rod between the side stand and the described side stand being located at both sides of described stroller frame both sides, the described side stand of every side includes described front frame, described after poppet, described push rod, described rear pole, described seat post and described basket rod, and described basket rod is located at the outside of described seat post and is located at the inner side of described after poppet.

9. child folding go-cart according to claim 8, is characterized in that: the 3rd tranverse connecting rod that the second tranverse connecting rod that described tranverse connecting rod comprises the first tranverse connecting rod that two ends are connected with the top of the described push rod of both sides respectively, two ends are connected with the described seat post of both sides respectively, two ends are connected with the described basket rod of both sides respectively, two ends respectively with the 4th tranverse connecting rod be connected of the bottom of the described after poppet of both sides.

10. child folding go-cart according to claim 1, is characterized in that: described lockout mechanism comprises the lock cell be located at for both being locked between described seat post and described basket rod.