CN202098444U - Trolley - Google Patents

Abstract

A trolley, comprising a trolley frame, a front wheel assembly, and a rear wheel assembly, the trolley frame includes an underframe, an upright bracket whose lower end is rotatably connected to the underframe through a first rotating shaft, The seat mechanism is arranged on the upright frame, and a vehicle frame locking mechanism with a locking position and an unlocking position is arranged between the bottom frame and the upright frame. When the vehicle frame locking mechanism is in the unlocked position, the lower end of the upright support can rotate around the first rotating shaft relative to the underframe, so that the upright support can be moved closer to the underframe, and the vehicle frame can be pushed In the folded position, reducing bulk. When the stroller frame is unfolded, children can sit on the seat mechanism, and a shopping basket can be placed on the bottom frame for storing items, with many functions .

Description

a trolley

technical field

The utility model relates to a trolley.

Background technique

A trolley in the prior art, such as a shopping cart on the market, includes a trolley frame, a front wheel assembly arranged at the bottom front of the cart frame, and a rear wheel assembly arranged at the bottom of the cart frame. The rear wheel assembly of the part, the trolley frame has a fixed large basket, and a storage space with an opening upward is formed on the large basket, and the trolley also includes a seat mechanism that can be folded and unfolded, The seat mechanism is arranged in the storage space.

Utility model content

The technical problem to be solved by the utility model is to provide a trolley.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a trolley, comprising a trolley frame, a front wheel assembly arranged at the bottom front part of the trolley frame, The rear wheel assembly at the bottom of the frame, the cart frame includes

Underframe, the length of the underframe extends along the front-rear direction, the front wheel assembly is arranged at the front of the underframe, and the rear wheel assembly is arranged at the rear of the underframe;

A vertical support frame, the length of the vertical support frame extends along the up-down direction, and the lower end of the vertical support frame is rotationally connected to the bottom frame through a first rotating shaft;

The seat mechanism, the seat mechanism is arranged on the vertical support frame, and there is a space between the seat mechanism and the bottom frame where the shopping basket can be placed,

A frame locking mechanism with a locking position and an unlocking position is provided between the bottom frame and the upright support.

In some embodiments, the seat mechanism is a foldable seat mechanism with an unfolded position and a folded position, and the seat mechanism is provided with a seat locking mechanism capable of locking the seat mechanism in the unfolded position .

In some further embodiments, the seating mechanism includes

a mounting frame, the mounting frame is arranged on the vertical support frame;

a seat bar, the rear end of the seat bar is rotatably connected to the mounting frame through a second rotating shaft;

An armrest frame, the rear end of the armrest frame is rotatably connected to the installation frame through a third rotating shaft;

A connecting rod, the upper end of the connecting rod is rotationally connected with the front end of the armrest frame through the fourth rotating shaft, and the lower end of the connecting rod is connected with the front end of the seat rod through the fifth rotating shaft Rotately connected.

In some still further embodiments, the mounting frame can be slidably arranged on the vertical support frame along the length direction of the vertical support frame, and the installation frame and the vertical support frame There is a height adjustment mechanism for locking the two in at least two working positions.

In some still further embodiments, the seat mechanism further includes a footrest, the rear end of the footrest is rotatably connected to the front end of the seat post through a seventh rotating shaft, so A footrest locking mechanism is arranged between the footrest and the seat rod.

In some still further embodiments, the first rotation axis, the second rotation axis, the third rotation axis, the fourth rotation axis, and the fifth rotation axis are parallel to each other.

In some embodiments, the stroller frame further includes a shopping basket, and the shopping basket is located above the bottom frame and below the seat mechanism.

In some further embodiments, the shopping basket is fixed on the bottom frame.

In some embodiments, the cart frame further includes a push handle whose lower end is rotatably connected to the upper end of the stand support through a sixth rotating shaft, and the push handle is connected to the stand A push handle locking mechanism is arranged between the brackets.

In some embodiments, the lower end of the upright frame is rotatably connected to the rear end of the base frame through the first rotating shaft. the

The scope of the present utility model is not limited to technical solutions formed by a specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or equivalent features. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Due to the application of the above technical solutions, the utility model has the following advantages compared with the prior art: the utility model provides another technical solution of the design concept, when the frame locking mechanism is in the unlocked position, the The lower end can rotate around the first rotating shaft relative to the underframe, so that the upright struts can be moved closer to the underframe, and the trolley frame is in a folded position, thereby reducing the volume. When the stroller frame is unfolded, children can sit on the seat mechanism, and a shopping basket can be placed on the bottom frame for storing items, with many functions.

Description of drawings

Accompanying drawing 1 is the first expanded front view of the utility model (the seat mechanism is located under the expanded position and is in a high position);

Accompanying drawing 2 is the expanded front view II of the utility model (the seat mechanism is located in the folded position);

Accompanying drawing 3 is the third unfolded front view of the utility model (the seat mechanism is in the unfolded position and in a low gear);

Accompanying drawing 4 is the folding diagram of the present utility model;

Accompanying drawing 5 is the expanded perspective view of the utility model.

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Underframe; Rod; 10, push handle; 11, footrest; 12, operating part; 13, first rotating shaft; 14, second rotating shaft; 15, third rotating shaft; 16, fourth rotating shaft; 17, fifth rotating shaft; 18, The sixth axis; 19, the seventh axis.

Detailed ways

As shown in the drawings, a trolley includes a trolley frame 1, a front wheel assembly 2 disposed at the bottom front of the trolley frame 1, and a front wheel assembly 2 disposed at the bottom rear of the trolley frame 1. The rear wheel assembly 3, the cart frame 1 includes

Underframe 4, the length of the underframe 4 extends along the front-rear direction, the front wheel assembly 2 is arranged on the front part of the underframe 4, and the rear wheel assembly 3 is arranged on the bottom the rear of frame 4;

The vertical support frame 5, the length of the vertical support frame 5 extends along the up-down direction, and the lower end of the vertical support frame 5 is rotationally connected with the rear end of the bottom frame 4 through the first rotating shaft 13 ;

The seat mechanism, the seat mechanism is arranged on the vertical support frame 5, and there is a space between the seat mechanism and the bottom frame 4 where a shopping basket can be placed.

The seat mechanism can be detachably or fixedly arranged on the upright frame 5 . In this embodiment, the seat mechanism is foldable and arranged on the stand support frame 5, the seat mechanism has an unfolded position and a folded position, and the seat mechanism is provided with a The seat mechanism locks the seat locking mechanism in the deployed position. Therefore, when the stroller frame 1 is folded, the seat mechanism can also be folded, so as to further reduce the folded volume of the stroller frame 1 .

In this embodiment, the seat mechanism includes:

Mounting frame 6, described mounting frame 6 is arranged on the described vertical support frame 5;

Seat bar 7, the rear end of the seat bar 7 is rotatably connected to the mounting frame 6 through the second rotating shaft 14;

An armrest frame 8, the rear end of the armrest frame 8 is rotatably connected to the mounting frame 6 through a third rotating shaft 15;

Connecting rod 9, the upper end of the connecting rod 9 is connected to the front end of the armrest frame 8 through the fourth rotating shaft 16 in a rotational manner, the lower end of the connecting rod 9 is connected to the seat rod 7 The front end is rotatably connected by a fifth rotating shaft 17 . During use, the seat mechanism is usually wrapped with a cloth cover.

The installation frame 6 can be slidably arranged on the vertical support frame 5 along the length direction of the vertical support frame 5, and a A height adjustment mechanism that locks both in at least two working positions. The height adjustment mechanism is not the invention point of the present utility model, as long as it is a locking mechanism that can lock two sliding parts in at least two working positions, it can be used here, such as the upper edge of the vertical support frame 5 There are at least two lock holes in the length direction, and the installation frame 6 is provided with a spring pin, and the spring pin is inserted into one of the lock holes, and the height adjustment mechanism is locked. The user may choose to lock the seat mechanism in a suitable gear according to needs.

A frame locking mechanism having a locking position and an unlocking position is provided between the underframe 4 and the upright support 5 . The described vehicle frame locking mechanism is not the invention point of the present utility model, as long as it is a locking mechanism that can lock two parts that rotate in phase, it can be used here. The frame locking mechanism described above is the operating member 12 that switches from the locked position to the unlocked position. When the mounting frame 6 slides to the lowest position, the mounting frame 6 collides with the operating member 12 and triggers the frame locking mechanism to be unlocked.

As shown in the accompanying drawings, the seat mechanism also includes a footrest 11, the rear end of the footrest 11 is rotationally connected to the front end of the seat post 7 through a seventh rotating shaft 19, A footrest locking mechanism is arranged between the footrest 11 and the seat post 7 . The footrest locking mechanism is not the invention point of the present utility model, as long as it is a locking mechanism that can lock two parts that rotate in phase, it can be used here, and the specific structure will not be repeated here.

As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, described first rotating shaft 13, described second rotating shaft 14, described third rotating shaft 15, described fourth rotating shaft 16, described The fifth rotating shaft 17 is parallel to each other.

Not shown in the figure, the cart frame 1 also includes a shopping basket, and the shopping basket is located above the chassis 4 and below the seat mechanism. The shopping basket frame is fixed on the bottom frame 4 .

As shown in the accompanying drawings, the cart frame 1 also includes a push handle 10 whose lower end is rotatably connected to the upper end of the vertical support frame 5 through the sixth rotating shaft 18, and the push handle 10 A push handle locking mechanism is arranged between the above-mentioned upright support frame 5 . The push handle locking mechanism is not the invention point of the present utility model, as long as it is a locking mechanism that can lock two parts that rotate in phase, it can be used here, and the specific structure will not be repeated here.

The up, down, front, back and other orientation words mentioned above are defined when the cart frame 1 is in the unfolded position, and the length of the upright frame 5 is extended along the up and down direction at this time.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model, and its purpose is to allow those familiar with this technology to understand the content of the utility model and implement it accordingly, and not to limit the protection scope of the 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. hand barrow; Comprise go-cart vehicle frame (1), be arranged at the anterior front component (2) in described go-cart vehicle frame (1) end, be arranged at the wheel assembly (3) at described go-cart vehicle frame (1) rear portion, the end, it is characterized in that: described go-cart vehicle frame (1) comprises

Underframe (4), the length of described underframe (4) is extended along fore-and-aft direction, and described front component (2) is arranged at the front portion of described underframe (4), and described wheel assembly (3) is arranged at the rear portion of described underframe (4);

Upright support (5), the length of described upright support (5) is extended along above-below direction, and the bottom of described upright support (5) is connected through first rotating shaft (13) with described underframe (4) rotatedly;

Seat mechanism, described seat mechanism is arranged on the described upright support (5), has the space that can settle the shopping hoop between described seat mechanism and the described underframe (4),

Be provided with vehicle frame lockout mechanism between described underframe (4) and the described upright support (5) with latched position and unlocked position.

2. a kind of hand barrow according to claim 1; It is characterized in that: the seat mechanism with expanded position and folding position of described seat mechanism for folding, described seat mechanism are provided with and can described seat mechanism be locked in the seat lockout mechanism under the expanded position.

3. a kind of hand barrow according to claim 2 is characterized in that: described seat mechanism comprises

Erecting frame (6), described erecting frame (6) are arranged on the described upright support (5);

Seat post (7), the rearward end of described seat post (7) is connected through second rotating shaft (14) with described erecting frame (6) rotatedly;

Arm-rest frame (8), the rearward end of described arm-rest frame (8) is connected through the 3rd rotating shaft (15) with described erecting frame (6) rotatedly;

Connecting rod (9); The upper end of described connecting rod (9) is connected through the 4th rotating shaft (16) with the leading section of described arm-rest frame (8) rotatedly, and the bottom of described connecting rod (9) is connected through the 5th rotating shaft (17) with the leading section of described seat post (7) rotatedly.

4. a kind of hand barrow according to claim 3; It is characterized in that: described erecting frame (6) can be slidingly arranged in along the length direction of described upright support (5) on the described upright support (5), is provided with the height adjustment mechanism that both is locked at least two control positioies between described erecting frame (6) and the described upright support (5).

5. a kind of hand barrow according to claim 3; It is characterized in that: described seat mechanism also comprises leg rest frame (11); The rearward end of described leg rest frame (11) is connected through the 7th rotating shaft (19) with the leading section of described seat post (7) rotatedly, is provided with the leg rest frame locking means between described leg rest frame (11) and the described seat post (7).

6. a kind of hand barrow according to claim 3 is characterized in that: described first rotating shaft (13), described second rotating shaft (14), described the 3rd rotating shaft (15), described the 4th rotating shaft (16), described the 5th rotating shaft (17) parallel.

7. a kind of hand barrow according to claim 1 is characterized in that: described go-cart vehicle frame (1) also comprises the shopping hoop, and described shopping hoop is positioned at the top of described underframe (4), and is positioned at the below of described seat mechanism.

8. a kind of hand barrow according to claim 7 is characterized in that: described shopping hoop is fixed on the described underframe (4).

9. a kind of hand barrow according to claim 1; It is characterized in that: the upper end that described go-cart vehicle frame (1) also comprises bottom and described upright support (5) is provided with the handle lockout mechanism through the 6th rotating shaft (18) bonded assembly handle (10) rotatedly between described handle (10) and the described upright support (5).

10. a kind of hand barrow according to claim 1 is characterized in that: the bottom of described upright support (5) is connected through described first rotating shaft (13) with the rearward end of described underframe (4) rotatedly.

Images