CN215663509U

CN215663509U - Folding handcart

Info

Publication number: CN215663509U
Application number: CN202121334733.0U
Authority: CN
Inventors: 周永帅; 石刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-01-28
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a folding handcart, which comprises a bottom frame folding component and a side frame folding component arranged on the bottom frame folding component, wherein the bottom frame folding component can be unfolded or folded through the side frame folding component; the side frame folding assembly comprises a first folding frame and a second folding frame which are hinged with each other, one end of the underframe folding assembly is hinged on the first folding frame, and the other end of the underframe folding assembly is hinged on the second folding frame; a first caster wheel is installed at the bottom of the first folding frame, and a second caster wheel is installed at the bottom of the second folding frame; according to the folding trolley provided by the utility model, the first folding frame and the second folding frame are drawn towards the middle, so that the underframe folding assembly can be folded, the folding and unfolding are convenient, the overall size is small after folding, the storage is convenient, the use is convenient, and the defects of weak supporting strength and large size after folding of the existing trolley are overcome.

Description

Folding handcart

Technical Field

The utility model relates to the field of trolleys, in particular to a folding trolley.

Background

Along with the improvement of standard of living, more and more people like self-driving to go outdoor activities, can carry a lot of picnic food and outdoor apparatus when self-driving simultaneously, but the car of self-driving generally can only drive the parking place, remaining distance majority needs to be done on foot in addition, people carry so much things outdoor on foot very inconveniently, also begin to sell the handcart that can fold and put in the trunk on the market now, during the use, can open the handcart and be used for carrying picnic food and outdoor apparatus, make things convenient for people to carry.

The existing trolley mostly adopts a translational folding type trolley, a group of X-shaped cross pipes are formed by cross hinging of steel pipes to be folded and unfolded, the structure is simple, but the length of the trolley with the structure is longer after the trolley is folded and contracted, more space is still occupied during storage, the carrying is inconvenient, the side supporting strength of the trolley with the structure is weaker, the bearing weight is limited, and the service life is short.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a folding trolley to overcome the defects of weak supporting strength and large volume after folding of the existing trolley.

(II) technical scheme

In order to solve the technical problem, the utility model provides a foldable trolley, which comprises a bottom frame folding component and a side frame folding component arranged on the bottom frame folding component, wherein the bottom frame folding component can be unfolded or folded through the side frame folding component; the side frame folding assembly comprises a first folding frame and a second folding frame which are hinged with each other, one end of the underframe folding assembly is hinged on the first folding frame, and the other end of the underframe folding assembly is hinged on the second folding frame; first truckles are installed to first folding frame bottom, the second truckle is installed to second folding frame bottom. The side frame folding component is arranged, the first folding frame and the second folding frame are drawn together towards the middle, the underframe folding component can be folded, folding and unfolding are convenient, and the folding chassis folding component is small in overall size, convenient to store and convenient to use after being folded.

Furthermore, the folding handcart also comprises a supporting folding component connected with the side frame folding component; the supporting and folding assembly comprises a first U-shaped frame hinged on the first folding frame and a second U-shaped frame hinged on the second folding frame. The supporting and folding assembly further comprises a first supporting rod and a second supporting rod which are hinged, the end portion of the first supporting rod is hinged with the first folding frame, and the end portion of the second supporting rod is hinged with the second folding frame. The supporting and folding assembly is arranged, and the first U-shaped frame, the second U-shaped frame, the first supporting rod and the second supporting rod are matched, so that the supporting strength can be effectively increased, the bearing capacity of the vehicle body is improved, and the service life is prolonged; and the supporting folding component can be folded and unfolded along with the side frame folding component, and is convenient to store.

Furthermore, the foldable trolley further comprises a pull rod assembly, and the pull rod assembly is hinged with the second folding frame. The second folding frame is fixedly provided with a clamping piece, and the pull rod assembly is clamped in the clamping piece.

Furthermore, the chassis folding assembly comprises a first chassis and a second chassis which are hinged to each other, wherein the end of the first chassis is hinged to the first folding frame, and the end of the second chassis is hinged to the second folding frame.

Furthermore, a foldable storage container is mounted on the underframe folding assembly.

Furthermore, the junction demountable installation of first folding frame with the second folding frame has puts the thing board, it puts the thing groove to be provided with a plurality of on the thing board to put. And a third U-shaped frame is hinged at the joint of the first folding frame and the second folding frame. A foldable sunshade assembly is mounted on the third U-shaped frame; the sunshade subassembly is including articulating first U-shaped bone on the third U-shaped frame, it has second U-shaped bone to articulate on the first U-shaped bone, first U-shaped bone with between the third U-shaped frame and first U-shaped bone with be connected with the puggaree between the second U-shaped bone. The storage plate and the sunshade are arranged, so that the trolley not only can bear articles, but also can bear children, the storage plate is convenient for placing sundries, and the sunshade can shade the children, so that the functionality of the trolley is improved; and the sunshade can be folded to reduce the storage volume.

Further, the first folding frame, the first U-shaped frame and the first supporting rod are connected through a hinge; the middle part of the articulated element is articulated on the first folding frame, one end of the articulated element is articulated with the first U-shaped frame, and the other end of the articulated element is articulated with the first supporting rod. The first folding frame is identical to the second folding frame in structure, the first U-shaped frame is identical to the second U-shaped frame in structure, and the first supporting rod is identical to the second supporting rod in structure.

Further, a brake assembly is mounted on the first caster wheel or the second caster wheel; the brake assembly comprises a rotatable pedal and a clamping wheel rotating synchronously with a caster, wherein the pedal is provided with clamping columns, and the clamping wheel is provided with a plurality of clamping grooves matched with the clamping columns at equal intervals in an annular shape. Set up the brake subassembly, step on the pedal during the brake and make card post block draw-in groove to make the truckle brake, improve the security of using.

Further, the distance between the two first caster wheels is larger than the distance between the two second caster wheels. After being folded, the second caster can be arranged on the inner side of the first caster, so that the folding volume is reduced.

(III) advantageous effects

Compared with the prior art, the folding trolley provided by the utility model has the following advantages:

1) the side frame folding component is arranged, the underframe folding component can be folded by drawing the first folding frame and the second folding frame towards the middle, the folding and the unfolding are convenient, and the folded whole body has small volume, is convenient to store and use;

2) the supporting and folding assembly is arranged, and the first U-shaped frame, the second U-shaped frame, the first supporting rod and the second supporting rod are matched, so that the supporting strength can be effectively increased, the bearing capacity of the vehicle body is improved, and the service life is prolonged; the supporting folding component can be folded and unfolded along with the side frame folding component, and is convenient to store;

3) the storage plate and the sunshade are arranged, so that the trolley not only can bear articles, but also can bear children, the storage plate is convenient for placing sundries, and the sunshade can shade the children, so that the functionality of the trolley is improved; the sunshade can be folded to reduce the storage volume;

4) set up the brake subassembly, step on the pedal during the brake and make card post block draw-in groove to make the truckle brake, improve the security of using.

Drawings

Fig. 1 is a perspective view of a folding cart according to embodiment 1;

fig. 2 is a perspective view of the collapsible cart of embodiment 1 with the receptacle removed;

fig. 3 is a schematic structural view of a foldable stroller in accordance with embodiment 1;

fig. 4 is a perspective view of a brake assembly of the foldable stroller of embodiment 1;

fig. 5 is a perspective view of the folded foldable stroller of embodiment 1;

fig. 6 is a schematic view of the folded foldable stroller in accordance with embodiment 1;

fig. 7 is a perspective view of a folding cart according to embodiment 2;

fig. 8 is a perspective view of the collapsible cart of embodiment 2 with the receptacle removed;

fig. 9 is a schematic structural view of a foldable stroller in accordance with embodiment 2;

fig. 10 is a perspective view of the folded foldable stroller of embodiment 2;

fig. 11 is a schematic view of the folded foldable stroller in accordance with embodiment 2;

the corresponding part names for the various reference numbers in the figures are: 1. a first folding frame; 2. a second folding frame; 3. a first caster; 4. a second caster; 5. a first U-shaped frame; 6. a second U-shaped frame; 7. a first support bar; 8. a second support bar; 9. a drawbar assembly; 10. a retaining member; 11. a first chassis; 12. a second chassis; 13. a storage container; 14. a storage plate; 15. a storage groove; 16. a third U-shaped frame; 17. a sunshade assembly; 18. a first U-shaped bone; 19. a second U-shaped bone; 20. an articulation member; 21. a pedal; 22. clamping the wheel; 23. clamping the column; 24. a clamping groove.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Example 1:

referring to fig. 1 to 6, the present embodiment provides a foldable stroller, which comprises a bottom frame folding assembly and a side frame folding assembly mounted on the bottom frame folding assembly, wherein the bottom frame folding assembly can be unfolded or folded by the side frame folding assembly. The side frame folding component comprises a first folding frame 1 and a second folding frame 2 which are hinged with each other, one end of the underframe folding component is hinged on the first folding frame 1, and the other end of the underframe folding component is hinged on the second folding frame 2; first truckles 3 are installed to first folding frame 1 bottom, and second truckles 4 are installed to 2 bottoms of second folding frame.

Referring to fig. 2 and 3, to increase the support strength, the foldable stroller further comprises a support folding assembly connected to the side frame folding assembly; the supporting and folding assembly comprises a first U-shaped frame 5 hinged on the first folding frame 1, a second U-shaped frame 6 hinged on the second folding frame 2, a first supporting rod 7 and a second supporting rod 8 which are hinged, wherein the end part of the first supporting rod 7 is hinged with the first folding frame 1, and the end part of the second supporting rod 8 is hinged with the second folding frame 2. In order to reduce the structure and save the manufacturing cost, the first folding frame 1 has the same structure as the second folding frame 2, the first U-shaped frame 5 has the same structure as the second U-shaped frame 6, and the first support rod 7 has the same structure as the second support rod 8.

Referring to fig. 2 and 3, the first folding frame 1, the first U-shaped frame 5 and the first support bar 7 are connected by a hinge 20; the middle part of the hinge member 20 is hinged on the first folding frame 1, one end is hinged with the first U-shaped frame 5, and the other end is hinged with the first supporting rod 7. The second folding bracket 2, the second U-shaped bracket 6 and the second support bar 8 are also connected by a hinge 20 in the same manner as the first folding bracket.

Referring to fig. 2 and 3, the foldable stroller further comprises a handle assembly 9, and the handle assembly 9 is hinged to the second folding frame 2. A clamping piece 10 is fixed on the second folding frame 2, and the pull rod assembly 9 is clamped in the clamping piece 10.

Referring to fig. 2 and 3, the chassis folding assembly includes a first chassis 11 and a second chassis 12 hinged to each other, wherein an end of the first chassis 11 is hinged to the first folding frame 1, and an end of the second chassis 12 is hinged to the second folding frame 2; the folding component of the underframe is provided with a foldable containing container 13 which can be a cloth art or a cuboid basket and the like. In this embodiment, two chassis are adopted, and the first chassis 11 and the second chassis 12 have the same structure; in actual manufacturing, a proper number of chassis can be selected according to requirements.

Referring to fig. 1 and 4, a brake assembly is mounted on the first caster 3 or the second caster 4; the brake assembly comprises a rotatable pedal 21 and a clamping wheel 22 which rotates synchronously with a caster, a clamping column 23 is arranged on the pedal 21, and a plurality of clamping grooves 24 matched with the clamping column 23 are annularly and equidistantly arranged on the clamping wheel 22. When braking, the pedal 21 is pressed down to enable the clamping column 23 to be clamped with the clamping groove 24, so that the caster wheel is stopped, and the use safety is improved. The distance between the two first caster wheels 3 is larger than the distance between the two second caster wheels 4; after being folded, the second caster can be arranged on the inner side of the first caster, so that the folding volume is reduced.

Referring to fig. 5 and 6, when folding, the first folding frame 1 and the second folding frame 2 are drawn close to the middle, the first bottom frame 11 and the second bottom frame 12 are drawn close to the middle under the driving of the first folding frame 1 and the second folding frame 2, and the first support rod 7 and the second support rod 8 are drawn close to the middle; then, the first U-shaped frame 5 is rotated toward the first folding frame 1, and the first U-shaped frame 6 is rotated toward the second folding frame 2.

The foldable trolley provided by the embodiment is provided with the side frame folding assembly, the underframe folding assembly can be folded by drawing the first folding frame and the second folding frame towards the middle, the folding and unfolding are convenient, and the folded trolley is small in overall size, convenient to store and convenient to use; the supporting and folding assembly is arranged, and the first U-shaped frame, the second U-shaped frame, the first supporting rod and the second supporting rod are matched, so that the supporting strength can be effectively increased, the bearing capacity of the vehicle body is improved, and the service life is prolonged; the supporting folding component can be folded and unfolded along with the side frame folding component, and is convenient to store; the brake assembly is arranged, and when the brake is performed, the pedal is stepped down to enable the clamping column to be clamped with the clamping groove, so that the caster is braked, and the use safety is improved; the defects of weak supporting strength and large volume after folding of the existing trolley are overcome.

Example 2:

this embodiment provides a foldable cart which is different from embodiment 1 in that: in this embodiment, there is no drawbar assembly, and a third U-shaped frame 16, a storage plate 14 and a sunshade assembly 17 are additionally provided.

Referring to fig. 7 to 11, a storage plate 14 is detachably mounted at a joint of the first folding frame 1 and the second folding frame 2, a plurality of storage slots 15 are formed in the storage plate 14, and the storage slots can be used for holding water cups and the like. The joint of the first folding frame 1 and the second folding frame 2 is hinged with a third U-shaped frame 16, the third U-shaped frame 16 can be used for pushing the trolley, and a foldable sunshade assembly 17 is arranged on the third U-shaped frame 16. The sunshade assembly 17 comprises a first U-shaped rib 18 hinged to the third U-shaped frame 16, a second U-shaped rib 19 hinged to the first U-shaped rib 18, and a sunshade cloth connected between the first U-shaped rib 18 and the third U-shaped frame 16 and between the first U-shaped rib 18 and the second U-shaped rib 19.

According to the foldable trolley provided by the embodiment, the storage plate and the sunshade are arranged, so that the trolley not only can bear articles, but also can bear children, the storage plate is convenient for placing sundries, and the sunshade can shade the children, so that the functionality of the trolley is improved; and the sunshade can be folded to reduce the storage volume.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A foldable trolley, comprising: the folding device comprises a bottom frame folding component and a side frame folding component arranged on the bottom frame folding component, wherein the bottom frame folding component can be unfolded or folded through the side frame folding component; the side frame folding assembly comprises a first folding frame (1) and a second folding frame (2) which are hinged with each other, one end of the underframe folding assembly is hinged on the first folding frame (1), and the other end of the underframe folding assembly is hinged on the second folding frame (2); first truckle (3) are installed to first folding frame (1) bottom, second truckle (4) are installed to second folding frame (2) bottom.

2. The foldable trolley according to claim 1, further comprising: the folding device also comprises a supporting folding component connected with the side frame folding component; the supporting and folding assembly comprises a first U-shaped frame (5) hinged on the first folding frame (1) and a second U-shaped frame (6) hinged on the second folding frame (2).

3. The foldable trolley according to claim 2, further comprising: the supporting and folding assembly further comprises a first supporting rod (7) and a second supporting rod (8) which are hinged to each other, the end portion of the first supporting rod (7) is hinged to the first folding frame (1), and the end portion of the second supporting rod (8) is hinged to the second folding frame (2).

4. The foldable trolley according to claim 1, further comprising: the folding rack is characterized by further comprising a pull rod assembly (9), wherein the pull rod assembly (9) is hinged with the second folding rack (2).

5. The foldable trolley according to claim 4, further comprising: a clamping piece (10) is fixed on the second folding frame (2), and the pull rod assembly (9) is clamped in the clamping piece (10).

6. The foldable trolley according to claim 1, further comprising: the chassis folding assembly comprises a first chassis (11) and a second chassis (12) which are hinged to each other, wherein the end part of the first chassis (11) is hinged to the first folding frame (1), and the end part of the second chassis (12) is hinged to the second folding frame (2).

7. The foldable trolley according to claim 1, further comprising: a foldable containing container (13) is arranged on the underframe folding component.

8. The foldable trolley according to claim 1, further comprising: the article placing plate is characterized in that the connecting part of the first folding frame (1) and the second folding frame (2) is detachably provided with an article placing plate (14), and a plurality of article placing grooves (15) are formed in the article placing plate (14).

9. The foldable trolley according to claim 1, further comprising: the joint of the first folding frame (1) and the second folding frame (2) is hinged with a third U-shaped frame (16).

10. The foldable trolley according to claim 9, further comprising: and a foldable sunshade assembly (17) is arranged on the third U-shaped frame (16).

11. The foldable trolley according to claim 10, further comprising: the sunshade assembly (17) comprises a first U-shaped framework (18) hinged to the third U-shaped framework (16), a second U-shaped framework (19) hinged to the first U-shaped framework (18), and sunshade cloth is connected between the first U-shaped framework (18) and the third U-shaped framework (16) and between the first U-shaped framework (18) and the second U-shaped framework (19).

12. The foldable trolley according to claim 3, further comprising: the first folding frame (1), the first U-shaped frame (5) and the first supporting rod (7) are connected through a hinge (20); the middle part of the hinged part (20) is hinged on the first folding frame (1), one end of the hinged part is hinged with the first U-shaped frame (5), and the other end of the hinged part is hinged with the first supporting rod (7).

13. The foldable trolley according to claim 3, further comprising: the structure of the first folding frame (1) is the same as that of the second folding frame (2), the structure of the first U-shaped frame (5) is the same as that of the second U-shaped frame (6), and the structure of the first supporting rod (7) is the same as that of the second supporting rod (8).

14. The foldable trolley according to claim 3, further comprising: a brake assembly is arranged on the first caster wheel (3) or the second caster wheel (4); the brake assembly comprises a rotatable pedal (21) and a clamping wheel (22) which rotates synchronously with a caster, wherein a clamping column (23) is arranged on the pedal (21), and a plurality of clamping grooves (24) matched with the clamping column (23) are formed in the clamping wheel (22) in an annular equidistant mode.

15. The foldable trolley according to claim 1, further comprising: the distance between the two first caster wheels (3) is larger than the distance between the two second caster wheels (4).