CN218021783U

CN218021783U - Handcart frame beta structure

Info

Publication number: CN218021783U
Application number: CN202221631223.4U
Authority: CN
Inventors: 孙建锋
Original assignee: Cixi Honeyway Baby Products Co ltd
Current assignee: Cixi Honeyway Baby Products Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-13
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a handcart frame folding structure, which relates to the technical field of a handcart, wherein a folding mechanism is arranged between an upper frame rod and a lower frame rod, the folding mechanism comprises a first fixed rod, a rotating disc and a pulling-up mechanism which are arranged on the upper frame rod, a stay cord is respectively connected with the rotating disc and the pulling-up mechanism, a first moving channel is arranged on the rotating disc, the first fixed rod is positioned at the top of the first moving channel, an elastic part is positioned on the first moving channel, one end of the elastic part is supported at the bottom of the first moving channel, and the other end is supported on the first fixed rod; be equipped with first fixed disk, second fixed disk on the hack lever of getting off, be equipped with the second dead lever on first fixed disk, the second motion way on the rolling disc moves on the second dead lever, has the card axle on the rolling disc, and when getting on the car hack lever and the hack lever of getting off expanded, the card axle card was in the draw-in groove of first fixed disk and second fixed disk. The frame can be folded by pulling the rotating disc through the pulling mechanism, the structure is simple, and the manufacturing cost is low.

Description

Handcart frame beta structure

Technical Field

The utility model relates to a handcart technical field, specifically speaking relate to a handcart frame beta structure.

Background

Similar folding structures for stroller frames of the prior art are disclosed in the following patent documents.

Chinese patent specification CN 114179894A (published in 2022, 03, 15) discloses a foldable seat pocket, whose seat pocket frame comprises a surrounding frame and a seat pocket connecting piece, the surrounding frame comprises an upper surrounding frame and a lower surrounding frame, the upper surrounding frame, the lower surrounding frame and the seat pocket connecting piece are connected by a pin in a rotating way, the surrounding frame has a plurality of working positions and unlockable positions, a first locking mechanism capable of locking the surrounding frame when the surrounding frame is in the working position is arranged between the lower surrounding frame and the seat pocket connecting piece, and a second locking mechanism is arranged between the upper surrounding frame and the lower surrounding frame; a first limiting mechanism is arranged between the locking piece of the second locking mechanism and the upper surrounding frame or the lower surrounding frame, when the surrounding frame is in a working position, the first limiting mechanism limits the locking piece, and the second locking mechanism cannot be unlocked; when the enclosure frame is located at the unlocking position, the first limiting mechanism relieves the limitation on the locking piece, and the second locking mechanism is unlocked; the invention realizes the angle adjustment of the seat pocket, realizes the folding and furling of the seat pocket, and has safer and more reliable use.

However, the foldable seat bag disclosed above needs to be completed by numerous parts having a complicated structure when the folding is performed, thereby increasing the manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a handcart frame beta structure to overcome among the prior art collapsible seat pocket and need accomplish through the numerous parts that the structure is complicated when realizing folding, thereby promoted manufacturing cost's defect.

In order to solve the technical problem, the frame of the folding structure of the handcart frame of the utility model comprises an upper frame rod and a lower frame rod; a folding mechanism is arranged between the upper frame rod and the lower frame rod, the folding mechanism comprises a first fixed rod, a rotating disc and a pulling-up mechanism which are arranged on the upper frame rod, a pull rope is respectively connected with the rotating disc and the pulling-up mechanism, a first moving channel is arranged on the rotating disc, the first fixed rod is positioned at the top of the first moving channel, an elastic piece is positioned on the first moving channel, one end of the elastic piece is abutted against the bottom of the first moving channel, and the other end of the elastic piece is abutted against the first fixed rod; be equipped with first fixed disk, second fixed disk on the hack lever of getting off, be equipped with the second dead lever on first fixed disk, the second motion on the rolling disc is said and is moved on the second dead lever, the card axle has on the rolling disc, and when getting on the bus hack lever and the hack lever of getting off launch, the card axle card is in the draw-in groove of first fixed disk and second fixed disk, when getting on the bus hack lever and the hack lever of getting off is folding, the card axle breaks away from the draw-in groove and moves along the excircle way on first fixed disk and the second fixed disk.

The lifting mechanism comprises a sliding block capable of moving in the upper frame rod, a moving rod is arranged on the sliding block, a pull rope is fixed on the moving rod, and the moving rod moves on a third moving channel of the upper frame rod.

The upper end of the outer circular channel is communicated with the clamping groove, and the lower end of the outer circular channel is provided with a blocking claw for limiting the movement of the clamping shaft.

Wherein, the rolling disc is positioned between the first fixed disc and the second fixed disc.

The upper frame rod is provided with a turntable cover, the lower frame rod is provided with a fixed cover, a second fixed rod is arranged between the turntable cover and the fixed cover, and the turntable cover rotates around the fixed cover.

The upper frame rod is provided with a third fixed rod, and a fourth moving channel arranged on the rotating disc moves on the third fixed rod.

The bottom of the first moving channel is provided with an inserting body, and an elastic piece is inserted into the inserting body.

Wherein the pull rope is made of a steel wire material.

Wherein, the elastic component is a spring.

The fixed cover, the first fixed disc and the second fixed disc are fixed on the lower frame rod through a fourth fixed rod.

Compared with the prior art, the beneficial effects of the utility model are that can fold the frame through drawing the mechanism pulling rolling disc that rises, simple structure, low in manufacturing cost.

Drawings

Fig. 1 is a schematic perspective view of the cart of the present invention;

fig. 2 is a schematic perspective view of the folding structure of the trolley frame of the present invention;

FIG. 3 is a schematic cross-sectional view of the folding structure of the trolley frame of the present invention;

fig. 4 is a first exploded view of the folding structure of the frame of the stroller of the present invention;

fig. 5 is a second exploded view of the folding structure of the stroller frame of the present invention;

fig. 6 is a first exploded view of a part of the folding structure of the frame of the stroller of the present invention;

fig. 7 is a partial second exploded view of the folding structure of the stroller frame according to the present invention.

Detailed Description

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

The handcart of this embodiment is as shown in fig. 1, including connecting in the front wheel 2 of hack lever 1 down to and articulate in the first bracing piece 3 of hack lever down, articulate in second bracing piece 4 on last hack lever 10, be connected with rear wheel 5 on first bracing piece and the second bracing piece, it has handspike 6, sunshade rod 7 still to articulate on the hack lever to go up, and the sunshade rod is used for installing the sunshade cap, fixes respectively on first bracing piece, second bracing piece, the hack lever down and locates fossil fragments 8, lays bed board 9 on the fossil fragments, and the bed board is used for installing the bed frame.

As shown in fig. 2 to 7, the upper frame rod 10 and the lower frame rod 1 of the present embodiment form a frame 11, that is, a folding mechanism is disposed between the upper frame rod and the lower frame rod, the folding mechanism includes a first fixing rod 12 disposed on the upper frame rod, a rotating disc 13, and a pulling mechanism 14, a pulling rope 15 is disposed inside the upper frame rod (the pulling rope is made of steel wire material in the present embodiment) and is respectively and fixedly connected with the rotating disc and the pulling mechanism, specifically, the pulling mechanism includes a sliding block 16 capable of moving in the upper frame rod, the sliding block is fixedly provided with a moving rod 17, the moving rod is fixed with a pulling rope, the sliding block is pulled by the pulling rope, and the moving rod can move upward on a third moving track 18 of the upper frame rod. The turning disc is provided with a first moving channel 19, the first fixing rod is positioned at the top of the first moving channel, the upper frame rod is provided with a third fixing rod 20, when the hand-operated sliding block moves upwards, the turning disc is pulled by the pulling rope, and a fourth moving channel 21 on the turning disc moves on the third fixing rod. The spring 22 is located on the first moving path, one end of the spring abuts against the bottom of the first moving path (specifically, the bottom of the first moving path is provided with an insert body, the insert body is provided with the spring in an inserted manner), and the other end of the spring abuts against the first fixing rod. The frame rod of the lower vehicle is provided with a first fixed disk 50 and a second fixed disk 23, the first fixed disk and the second fixed disk are provided with a second fixed rod 24, and the rotating disk is positioned between the first fixed disk and the second fixed disk, so that the rotating stability and reliability of the rotating disk are ensured. Under the action of upward movement of the slider and rebound return of the spring, the second moving path 25 on the rotating disc moves back and forth on the second fixed rod. Have card axle 26 on the rolling disc, when getting on the bus hack lever and lower carriage hack lever expand, card axle card is in the draw-in groove 27 of first fixed disk and second fixed disk, 28 upper ends and draw-in groove intercommunication are said to the excircle, excircle says that the lower extreme has the dog 29 of restriction card axle motion, and the dog is used for restricting the folding angle that needs of getting on the bus hack lever, and when getting on the bus hack lever and lower carriage hack lever are folding, the card axle breaks away from the draw-in groove and moves along the excircle way on first fixed disk and the second fixed disk. The upper frame rod is provided with a turntable cover 30, the lower frame rod is provided with a fixing cover 31, a second fixing rod is arranged between the turntable cover and the fixing cover, and the turntable cover rotates around the fixing cover. The fixing cover, the first fixing tray and the second fixing tray are fixed on the lower frame bar through a fourth fixing rod 32.

When the folding bicycle is folded for use, the sliding block is pulled upwards by a hand, the moving rod moves upwards within the length range of the third moving channel, meanwhile, the moving rod pulls the pull rope, the pull rope pulls the rotating disc, the second moving channel can move upwards on the second fixed rod, the clamping shaft is separated from the clamping groove, then the upper frame rod is manually rotated, and the clamping shaft moves on the outer circular channel until the clamping shaft is stopped by the blocking claw, so that the folding process between the upper frame rod and the lower frame rod can be completed; when unfolding, the frame pole of getting on the bus is rotated manually, and the card axle just moves on the excircle way and goes into the draw-in groove until the card, and at this moment, because the effort of spring resilience can reset the rolling disc to the normal position, and the second motion is said and is moved down on the second dead lever promptly to tightly block the axle in the draw-in groove, accomplish the process of unfolding between frame pole of getting on the bus and the frame pole of getting off the bus.

The bicycle frame can be folded by pulling the rotating disc through the pulling mechanism, and the bicycle frame is simple in structure and low in manufacturing cost.

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

Claims

1. A frame folding structure of a handcart comprises a frame, a folding mechanism and a folding mechanism, wherein the frame comprises an upper frame rod and a lower frame rod; the method is characterized in that: a folding mechanism is arranged between the upper frame rod and the lower frame rod, the folding mechanism comprises a first fixed rod, a rotating disc and a pulling-up mechanism which are arranged on the upper frame rod, a pull rope is respectively connected with the rotating disc and the pulling-up mechanism, a first moving channel is arranged on the rotating disc, the first fixed rod is positioned at the top of the first moving channel, an elastic piece is positioned on the first moving channel, one end of the elastic piece is abutted against the bottom of the first moving channel, and the other end of the elastic piece is abutted against the first fixed rod;

be equipped with first fixed disk, second fixed disk on the hack lever of getting off, be equipped with the second dead lever on first fixed disk, the second motion on the rolling disc is said and is moved on the second dead lever, the card axle has on the rolling disc, and when getting on the bus hack lever and the hack lever of getting off launch, the card axle card is in the draw-in groove of first fixed disk and second fixed disk, when getting on the bus hack lever and the hack lever of getting off is folding, the card axle breaks away from the draw-in groove and moves along the excircle way on first fixed disk and the second fixed disk.

2. A cart frame folding arrangement according to claim 1, wherein: the pulling-up mechanism comprises a sliding block which can move in the upper frame rod, a moving rod is arranged on the sliding block, a pulling rope is fixed on the moving rod, and the moving rod moves on a third moving channel of the upper frame rod.

3. A cart frame folding arrangement according to claim 1, wherein: the upper end of the outer circular channel is communicated with the clamping groove, and the lower end of the outer circular channel is provided with a blocking claw for limiting the movement of the clamping shaft.

4. A cart frame folding arrangement according to claim 1, wherein: the rotating disc is positioned between the first fixed disc and the second fixed disc.

5. A cart frame folding arrangement according to claim 1, wherein: the upper frame rod is provided with a turntable cover, the lower frame rod is provided with a fixing cover, a second fixing rod is arranged between the turntable cover and the fixing cover, and the turntable cover rotates around the fixing cover.

6. A cart frame folding arrangement according to claim 1, wherein: and a third fixed rod is arranged on the upper frame rod, and a fourth moving channel arranged on the rotating disc moves on the third fixed rod.

7. A cart frame folding arrangement according to claim 1, wherein: the bottom of the first moving channel is provided with an inserting body, and an elastic piece is inserted into the inserting body.

8. A cart frame folding arrangement according to claim 1, wherein: the pull rope is made of steel wire materials.

9. A cart frame folding arrangement according to claim 1, wherein: the elastic piece is a spring.

10. A stroller frame folding structure according to any one of claims 1 to 9, characterized in that: the fixed cover, the first fixed disc and the second fixed disc are fixed on the lower frame rod through a fourth fixed rod.