阅读说明：本技术 一种推把可换向折叠推车车架 (Push away folding shallow frame that can commutate ) 是由 王菲 于 2020-06-13 设计创作，主要内容包括：一种推把可换向折叠推车车架,包括前轮支架、设置在所述前轮支架下端的前轮组件、后轮支架、设置在所述后轮支架下端的后轮组件、连杆、坐垫杆、下推把杆一、下推把杆二,上推把杆,其特征在于：所述的推车车架包括：所述前轮支架的上端与所述后轮支架上端转动连接,所述连杆后部与所述后轮支架异于上端的位置转动连接；所述坐垫杆前部与所述前轮支架异于上端的位置转动连接,所述连杆异于后部的位置与所述坐垫杆异于前部的位置转动连接。所述下推把杆一的下端转动连接于所述后轮支架的上端或者所述后前轮轮支架的上端,所述下推把杆二的上端与所述下推把杆一异于下端的位置转动连接,所述下推把杆二的下端与所述连杆的前部转动连接,所述下推把杆二的下端沿所述连杆可前后移动；所述车架展开时,所述下推把杆一与所述下推把杆二合为一体成为下推把杆,所述下推把杆上端具有向后倒的正推状态和上端向前倒的反推状态。(The utility model provides a push away folding shallow frame of can reversing, is in including front wheel support, setting front wheel subassembly, rear wheel support, the setting of front wheel support lower extreme are in rear wheel subassembly, connecting rod, cushion pole, lower push rod one, lower push rod two of rear wheel support lower extreme go up push rod, its characterized in that: the cart frame include: the upper end of the front wheel bracket is rotatably connected with the upper end of the rear wheel bracket, and the rear part of the connecting rod is rotatably connected with the position of the rear wheel bracket, which is different from the upper end; the front part of the cushion rod is rotatably connected with the position of the front wheel bracket different from the upper end, and the position of the connecting rod different from the rear part is rotatably connected with the position of the cushion rod different from the front part. The lower end of the lower push handle rod I is rotatably connected to the upper end of the rear wheel support or the upper end of the rear front wheel support, the upper end of the lower push handle rod II is rotatably connected with the position of the lower push handle rod I different from the lower end of the lower push handle rod I, the lower end of the lower push handle rod II is rotatably connected with the front part of the connecting rod, and the lower end of the lower push handle rod II can move back and forth along the connecting rod; when the frame is unfolded, the first lower push handle rod and the second lower push handle rod are integrated into a whole to form a lower push handle rod, and the upper end of the lower push handle rod is in a forward push state of falling backwards and in a reverse push state of falling forwards.)

1. The utility model provides a push away folding shallow frame of can reversing, is in including front wheel support, setting front wheel subassembly, rear wheel support, the setting of front wheel support lower extreme are in rear wheel subassembly, connecting rod, cushion pole, lower push rod one, lower push rod two of rear wheel support lower extreme go up push rod, its characterized in that: the cart frame include:

the upper end of the front wheel bracket is rotatably connected with the upper end of the rear wheel bracket, and the rear part of the connecting rod is rotatably connected with the position of the rear wheel bracket, which is different from the upper end; the front part of the cushion rod is rotatably connected with the position of the front wheel bracket different from the upper end, and the position of the connecting rod different from the rear part is rotatably connected with the position of the cushion rod different from the front part.

The lower end of the lower push handle rod I is rotatably connected to the upper end of the rear wheel support or the upper end of the rear front wheel support, the upper end of the lower push handle rod II is rotatably connected with the position of the lower push handle rod I different from the lower end of the lower push handle rod I, the lower end of the lower push handle rod II is rotatably connected with the front part of the connecting rod, and the lower end of the lower push handle rod II can move back and forth along the connecting rod;

when the frame is unfolded, the first lower push handle rod and the second lower push handle rod are integrated into a whole to form a lower push handle rod, and the upper end of the lower push handle rod is in a forward push state of falling backwards and in a reverse push state of falling forwards.

2. The foldable stroller frame of claim 1, wherein: the frame locking mechanism comprises a first locking mechanism arranged between the first lower push handle and the second lower push handle rod.

3. A foldable stroller frame according to claims 1, 2, characterized in that: the frame locking mechanism comprises a second locking mechanism used for locking the push handle rod in a forward pushing state or a backward pushing state; the second locking mechanism comprises but is not limited to a second locking mechanism arranged between the lower end of the second lower push handle rod and the connecting rod.

4. A foldable stroller frame according to claims 1, 2, 3, characterized in that: the front wheel assembly and the rear wheel assembly are universal wheels and are provided with orienting devices, and the front wheel assembly and the rear wheel assembly can be switched back and forth according to requirements.

5. A push handle reversible folding stroller, characterized in comprising a stroller frame according to any one of claims 1 to 5.

Technical Field

The invention relates to the technical field of a trolley, in particular to a foldable trolley frame with a reversible push handle and a foldable trolley.

Background

A cart is a common tool in daily life, such as a cart for shopping, and further such as a cart for infants to lie and sit on. For convenience of carrying and storage when not in use, for example, infant strollers are often provided to be foldable. By folding the cart, the space occupied by the cart is reduced. The frame of current foldable shallow is of a great variety, but it is structurally comparatively complicated and structural strength is not high, or fold very inconvenient, and folding back volume is great, inconvenient placing is accomodate, can't be suitable for user's the space of placing, and the switching-over is more loaded down with trivial details, and these defects can cause inconvenience for the user, lead to user experience not good, are unfavorable for marketing.

Disclosure of Invention

The invention aims to provide a foldable cart frame with a push handle capable of changing direction and a foldable cart, and aims to solve the problems of complex structure, folding and inconvenient direction changing of the existing foldable cart.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a push away a reversible folding shallow frame, is in including front wheel support, setting front wheel subassembly, rear wheel support, the setting of front wheel support lower extreme are in rear wheel subassembly, connecting rod, cushion connecting rod, lower push rod one, lower push rod two of rear wheel support lower extreme go up the push rod, the shallow frame include:

the upper end of the front wheel bracket is rotatably connected with the upper end of the rear wheel bracket, and the rear part of the connecting rod is rotatably connected with the position of the rear wheel bracket, which is different from the upper end; the front part of the cushion rod is rotatably connected with the position of the front wheel bracket different from the upper end, and the position of the connecting rod different from the rear part is rotatably connected with the position of the cushion rod different from the front part.

The lower end of the lower push handle rod I is rotatably connected to the upper end of the rear wheel support or the upper end of the rear front wheel support, the upper end of the lower push handle rod II is rotatably connected with the position of the lower push handle rod I different from the lower end of the lower push handle rod I, the lower end of the lower push handle rod II is rotatably connected with the front part of the connecting rod, and the lower end of the lower push handle rod II can move back and forth along the connecting rod;

when the frame is unfolded, the first lower push handle rod and the second lower push handle rod are integrated into a whole to form a lower push handle rod, and the upper end of the lower push handle rod is in a forward push state of falling backwards and in a reverse push state of falling forwards.

The frame locking mechanism comprises a first locking mechanism arranged between the first lower push handle and the second lower push handle rod.

In certain further embodiments, the frame locking mechanism comprises a second locking mechanism for locking the push bar in either a forward or reverse push state;

preferably, the second locking mechanism includes, but is not limited to, a second locking mechanism disposed between the lower end of the second lower push rod and the connecting rod.

In some further embodiments, the front wheel assembly and the rear wheel assembly are all universal wheels and are provided with orientation devices which can be freely switched according to requirements.

The folding cart with the reversible push handle comprises the technical characteristics, is not limited to the technical scheme formed by specific combination of the technical characteristics, and also comprises other technical schemes formed by arbitrary combination of the technical characteristics or equivalent characteristics.

The invention provides a new technical scheme, and by adopting the structure, the folding of the cart frame is more convenient and quicker, the folded cart frame is small in size, convenient to carry and store, convenient to reverse and brings great convenience to users. And above-mentioned structure is when the shallow expandes, and whole car structure is more stable.

Drawings

FIG. 1 is a perspective view of a vehicle frame embodying the present invention;

FIG. 2 is a side schematic view of a vehicle frame embodying the present invention;

FIG. 3 is a side elevational schematic view of the folding of the push-up handle of the vehicle frame embodying the present invention;

FIG. 4 is a side elevational schematic view of the vehicle frame in a semi-folded configuration embodying the present invention;

FIG. 5 is a side elevational schematic view of a fully stacked condition of the vehicle frame embodying the present invention;

FIG. 6 is a cross-sectional view of a locking structure of a push down handle of a vehicle frame embodying the present invention;

FIG. 7 is a side elevational schematic view of a push bar reversing state of the vehicle frame embodying the present invention;

the reference numbers in the figures are: 1. a front wheel bracket; 2. a front wheel bracket; 3. a connecting rod; 4. a cushion rod; 5. a first lower push handle rod; 6. a second lower push handle rod; 7. a front wheel assembly; 8. a rear wheel assembly; 9. pushing the handle rod upwards; 10. unlocking the knob; 11. a first locking mechanism; 12. a reversing handle.

Detailed Description

As shown in the drawings, the present embodiment provides a foldable stroller with a reversible push handle, comprising a stroller frame having an unfolded position and a folded position, a front wheel assembly, a rear wheel assembly, a seat device disposed on the stroller frame, and a frame locking mechanism for locking the stroller frame in the unfolded position;

in the present embodiment, the directions "front", "rear", "left", "right", "up", "down", and the like are described with reference to the direction in which the user faces when pushing the vehicle, that is, the direction in which the handle lever is in the forward pushing state and the direction in which the user faces when pushing the vehicle, that is, the front direction.

In the embodiment, as shown in the figure, the front wheel assembly 7 is arranged at the lower end of the front wheel bracket 1, and the rear wheel assembly 8 is arranged at the lower end of the rear wheel bracket 2;

the upper end of the front wheel bracket 1 is rotatably connected with the upper end of the rear wheel bracket 2 around a shaft d;

the rear part of the connecting rod 3 is rotationally connected with the position of the rear wheel bracket 2, which is different from the upper end, around the c shaft; the front part of the cushion rod 4 is rotatably connected with the position of the front wheel bracket 1 different from the upper end around a shaft b, and the position of the connecting rod 3 different from the rear part is rotatably connected with the position of the cushion rod 4 different from the front part around a shaft a.

The lower end of the lower push handle rod I5 is rotatably connected around a shaft d, the position of the lower push handle rod I5, which is different from the lower end, is rotatably connected with the upper end of the lower push handle rod II 6 around a shaft e, and the lower end of the lower push handle rod II 6 is rotatably connected with the front part of the connecting rod 3 around a shaft f.

When the frame is unfolded, the lower push rod I5 and the lower push rod II 6 are combined into a whole to form the lower push rod when the frame is unfolded, the lower end of the lower push rod can move back and forth along the arc-shaped groove L of the connecting rod 3, and the upper end of the lower push rod is in a forward push state of falling backwards and a reverse push state of falling forwards.

A first frame locking mechanism 11 is arranged between the first lower push handle rod 5 and the second lower push handle rod 6, and a lock housing g in the first lower push handle rod 5 is inserted into a lock groove of the second lower push handle rod 6 to complete locking.

The lower end of the lower push handle rod II 6 is provided with a second locking mechanism with a lock pin h matched with the convex part m of the connecting rod 3, the second locking mechanism is used for locking the push handle rod in a forward pushing state, as shown in fig. 2, the lock pin h can be unlocked under the driving of the traction cable j through the reversing handle 12, and then is matched with the convex part k of the connecting rod 3 under the action of the elastic part to lock the push handle rod in a reverse pushing state, as shown in fig. 7.

Front wheel assembly 7 and rear wheel assembly 8 are universal wheels, and are provided with orientation devices, which can be switched back and forth as required.

The upper push handle rod 9 is rotatably connected with the upper end of the lower push handle rod 5, a locking mechanism is arranged in the upper push handle rod 9, when the frame needs to be folded, the locking mechanism is unlocked through an unlocking knob 10 of the upper push handle rod, the upper push handle rod is turned upwards and forwards, the locking mechanism g in the lower push handle rod 5 is driven by a traction cable i to slide out of a locking groove of the lower push handle rod 6 in a rotating mode, the frame is unlocked, the lower ends of the upper push handle rod 5 and the lower push handle rod 6 are separated, the connecting rod 3 is driven to move downwards, and the frame is folded, as shown in fig. 5.

The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art that other variations or modifications may be made in the above embodiments, for example, the lower end rotation connecting shaft of the lower push lever 5 is not coaxial with the upper end of the front wheel bracket 1 and the upper end connection rotation d-shaft of the rear wheel bracket 2, or the second locking structure of the frame is not provided between the lower push lever 6 and the connecting rod 3, and all embodiments need not be exhaustive. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.