CN217435777U

CN217435777U - Foldable cart

Info

Publication number: CN217435777U
Application number: CN202221791811.4U
Authority: CN
Inventors: 范福林; 彭留港
Original assignee: Anhui Xingteng Logistics Equipment Co ltd
Current assignee: Anhui Xingteng Logistics Equipment Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-09-16
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a foldable cart, which comprises a frame, wherein a foldable basket is arranged at the upper side of the frame, and a foldable handrail is arranged at the upper side of the rear end of the frame; further comprising: the wire harness control mechanism is arranged at the rear part of the lower side of the frame, a wire harness body is connected to the wire harness control mechanism, and the folding mechanisms are arranged at the front end and the rear end of the lower side of the frame; the upper end of the diagonal brace is rotatably connected to the folding mechanism, the other end of the diagonal brace is rotatably connected with a telescopic fixing rod, the lower end of the telescopic fixing rod penetrates through the telescopic rod and is fixed with the telescopic rod through a bolt, and the lower end of the telescopic rod is provided with a caster wheel. This collapsible shallow, furthest has folded the shallow, and the saving space of furthest when making the shallow idle, the folding mechanism of shallow folding not only convenient and fast but also easy operation, but also collapsible different states can be suitable for not co-altitude, different crowds, different vehicles, the very big degree of like this has made things convenient for the user.

Description

Foldable cart

Technical Field

The utility model relates to a shallow technical field specifically is a collapsible shallow.

Background

The cart is a vehicle which is pushed and pulled by manpower, can be used for carrying goods, has the characteristics of low cost, simple maintenance, convenient operation and the like, is an indispensable carrying tool in production and life, and can be folded between a cart plate and a pushing handle along with the continuous research and development of the functions of the cart so as to reduce the occupied space of the cart.

However, the folding mode of the existing folding cart is fixed, and the folding size of the cart cannot be adjusted according to the use of different heights, different people and different vehicles as the cart plate and the pushing handle are simply folded together, so that the flexibility of the use of the cart in the use and folding process is low.

Therefore, we propose a foldable cart in order to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collapsible shallow to the folding mode of current folding shallow on solving the existing market that above-mentioned background art provided is fixed, and simple fold the shallow board and push away together, can not be according to not co-altitude, different crowds, the use of different vehicles and the folding size of adjustment shallow, the shallow uses and the lower problem of flexibility of folding up the in-process use.

In order to achieve the above object, the utility model provides a following technical scheme: a foldable cart comprises a frame, wherein a foldable basket is arranged on the upper side of the frame, and a foldable handrail is arranged on the upper side of the rear end of the frame;

further comprising:

the wire harness control mechanism is arranged at the rear part of the lower side of the frame, a wire harness body is connected to the wire harness control mechanism, and the folding mechanisms are arranged at the front end and the rear end of the lower side of the frame;

the upper end of the diagonal rod is rotatably connected to the folding mechanism, the other end of the diagonal rod is rotatably connected with a telescopic fixed rod, the lower end of the telescopic fixed rod penetrates through the telescopic rod and is fixed with the telescopic rod through a bolt, and the lower end of the telescopic rod is provided with a caster;

and the guide wheel is arranged in front of the lower side of the frame, and the frame is rotatably connected with the upper end of the telescopic fixed rod.

Preferably, the folding mechanism further comprises a torsion spring, a limit switch, a movable rivet, an upper fixing plate, a tension spring, a fixed rivet and a lower fixing plate, the upper fixing plate and the lower fixing plate are rotatably connected through the fixed rivet, an inclined stay bar is rotatably connected between the upper fixing plate and the lower fixing plate through the movable rivet, and the tension spring is connected between the movable rivet and the fixed rivet;

the inboard of an upper fixed plate is connected with through fixing rivet rotation limit switch, just limit switch passes through the torsional spring with an upper fixed plate constitutes elasticity revolution mechanic, and limit switch with the other end of pencil body is connected, and the usable pencil body of this design is controlled limit switch, drives limit switch and rotates smoothly.

Preferably, the bicycle basket further comprises a bottom plate, side plates and buckles, the end portions of the bottom plate are provided with 4 side plates, the side plates are rotatably connected with the bottom plate, meanwhile, the side plates and the rotating end portions of the bottom plate are provided with the buckles, the bicycle basket can be folded through the design, and the size of the bicycle basket is adjusted.

Preferably, the wire harness control mechanism is connected with the limit switch through the wire harness body, and the rotation of the limit switch is controlled through the wire harness control mechanism and the wire harness body.

Preferably, flexible dead lever is provided with 2 groups, and 2 groups flexible dead lever crisscross distribution, and this design can avoid taking place the hindrance phenomenon between the flexible dead lever, guarantees the smooth rotation of flexible dead lever.

Preferably, the telescopic rod with flexible dead lever is sliding connection, just flexible dead lever cover is established the outside of telescopic rod, the total length between this design adjustable flexible dead lever and the telescopic rod to the height of adjustment shallow.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the foldable cart is provided with the telescopic fixing rods and the telescopic rods, the two groups of telescopic fixing rods and the telescopic rods are used, the front supporting angles and the rear supporting angles of the two groups of telescopic fixing rods and the telescopic rods are different, the stable reliability of a rear telescopic supporting structure is improved by using the two groups of folding machines, the rear support adopts a large angle, the folding length is reduced to the greatest extent, the telescopic design can adapt to the use at different heights, and the use range is enlarged;

(2) this collapsible shallow, furthest has folded the shallow, and the saving space of furthest when making the shallow idle, the folding mechanism of shallow folding not only convenient and fast but also easy operation, but also collapsible different states can be suitable for not co-altitude, different crowds, different vehicles, the very big degree of like this has made things convenient for the user.

Drawings

FIG. 1 is a schematic view of the side view structure of the telescopic rod of the present invention in a downward moving state;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic side view of the telescopic rod of the present invention in an upward moving state;

fig. 4 is a schematic side view of the semi-folded state of the present invention;

fig. 5 is a schematic side view of the fully folded state of the present invention;

fig. 6 is a schematic view of the bottom view structure of the present invention;

fig. 7 is a schematic view of the three-dimensional structure of the folding mechanism of the present invention.

In the figure: 1. a frame; 2. a handrail; 3. a basket; 301. a base plate; 302. a side plate; 303. buckling; 4. a wire harness control mechanism; 5. a wire harness body; 6. a folding mechanism; 7. a diagonal brace; 8. a telescopic fixing rod; 9. a telescopic rod; 10. a caster wheel; 11. a guide wheel; 12. a torsion spring; 13. a limit switch; 14. moving the rivet; 15. an upper fixing plate; 16. a tension spring; 17. fixing the rivet; 18. and a lower fixing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: a foldable cart comprises a frame 1, a foldable basket 3 is arranged on the upper side of the frame 1, and a foldable handrail 2 is arranged on the upper side of the rear end of the frame 1; the wire harness control mechanism 4 is arranged at the rear part of the lower side of the frame 1, the wire harness control mechanism 4 is connected with a wire harness body 5, and the front end and the rear end of the lower side of the frame 1 are both provided with a folding mechanism 6; the upper end of the diagonal brace 7 is rotatably connected to the folding mechanism 6, the other end of the diagonal brace 7 is rotatably connected with a telescopic fixing rod 8, the lower end of the telescopic fixing rod 8 penetrates through the telescopic rod 9 and is fixed with the telescopic rod through a bolt, and the lower end of the telescopic rod 9 is provided with a caster 10; and a guide wheel 11 installed in front of the lower side of the frame 1, wherein the frame 1 is rotatably connected with the upper end of the telescopic fixing rod 8.

The folding mechanism 6 further comprises a torsion spring 12, a limit switch 13, a movable rivet 14, an upper fixing plate 15, a tension spring 16, a fixed rivet 17 and a lower fixing plate 18, wherein the upper fixing plate 15 and the lower fixing plate 18 are rotatably connected through the fixed rivet 17, an inclined stay bar 7 in an inclined shape is rotatably connected between the upper fixing plate 15 and the lower fixing plate 18 through the movable rivet 14, and the tension spring 16 is connected between the movable rivet 14 and the fixed rivet 17; the inner side of the upper fixing plate 15 is rotatably connected with a limit switch 13 through a fixing rivet 17, and the limit switch 13 and the upper fixing plate 15 constitute an elastic rotation structure through a torsion spring 12, and the limit switch 13 is connected with the other end of the wire harness body 5. The wire harness control mechanism 4 is connected with the limit switch 13 through the wire harness body 5, and the rotation of the limit switch 13 is controlled through the wire harness control mechanism 4 and the wire harness body 5. The flexible dead lever 8 is provided with 2 groups, and 2 groups of flexible dead lever 8 crisscross distributions. The telescopic rod 9 and the telescopic fixing rod 8 are in sliding connection, and the telescopic fixing rod 8 is sleeved on the outer side of the telescopic rod 9.

According to the illustration in fig. 7, the folding mechanism 6 is limited by the limit switch 13 to avoid the folding mechanism 6 from being folded by mistake and keep the folding mechanism in the unfolded state, the limit switch 13 is kept in the tilted state by applying force through the torsion spring 12, the front end of the limit switch 13 is abutted against the movable rivet 14 to make the rivet not freely move in the key slot and further make the folding mechanism not be folded, the limit switch 13 is controlled by the wire harness body 5, one end of the wire harness body 5 is connected with the limit switch 13, the other end of the wire harness body is connected with the wire harness control mechanism 4, the wire harness body 5 is pressed to control the limit switch 13 to rotate around the fixed rivet 17 to change the angle thereof so as to be parallel to the upper fixing plate 15, at this time, the limit switch 13 is separated from the movable rivet 14 to make the wire harness body move in the key slot, at this time, the lower fixing plate 18 is applied with force, the round point 18 starts to rotate and fold around the fixed rivet 17, the lower fixing plate 18 is connected with the telescopic fixing rod 8, then the whole supporting structure is driven to be rotationally folded, when the movable rivet 14 moves to the tail end of the key slot, the lower fixing plate 18 is parallel to the upper fixing plate 15, the limit switch 13 is in a tilting state, when the movable rivet 14 is unfolded, reverse force needs to be applied to the supporting structure, at this time, the wire harness body 5 can be unfolded without pressing the switch of the wire harness body 5, the movable rivet 14 acts on the limit switch 13, the movable rivet 14 moves forwards to gradually press the movable rivet to be flat, a tension spring 16 is connected between the movable rivet 14 and the fixed rivet 17, the tension spring 16 has the function of reducing the manual force applied when the mechanism is unfolded, so that a user can unfold the mechanism more easily, the mechanism can be unfolded semi-automatically and is more convenient, and because of the difference of the front and rear supporting angles, two groups of folding mechanisms 6 (the principle is the same as that of the front folding mechanism 6) are used at the rear part to more stably increase the reliability, the rear support adopts a large angle, the design is to reduce the folding length to the maximum extent, the telescopic fixed rod 8 and the telescopic rod 9 are sleeved, the telescopic design is adopted, the use at different heights can be adapted, the use range is increased, the two guide wheels 11 are arranged in front, the guide wheels 11 are contacted with the ground plane when the telescopic fixed rod 8 is folded, the bottom of the cart is not contacted with the ground plane, and the cart can be pushed to be folded, and the cart is in a half-folding state as shown in fig. 4;

the bicycle basket 3 further comprises a bottom plate 301, side plates 302 and buckles 303, wherein 4 side plates 302 are arranged at the end part of the bottom plate 301, the side plates 302 are rotatably connected with the bottom plate 301, and the buckles 303 are arranged at the rotating end parts of the side plates 302 and the bottom plate 301.

The bicycle basket 3 and the handrail 2 are also designed to be folded, the bicycle basket 3 is designed to be a bottom plate 301 and four side plates 302, the side plates 302 are symmetrical in opposite directions, the bottom plate 301 is connected with the side plates 302 through a shaft and can be turned and folded, the shape is kept through controlling the state through a buckle 303, the handrail 2 is divided into an upper part and a lower part, the rotary folding can be realized through the shaft connection, a buckle 303 limiting block with elastic force is placed in the lower half part of the handrail 2, the buckle 303 is controlled through pressing a switch on the handrail 2, the upper half part of the handrail 2 is provided with a clamping groove, the buckle 303 is matched with the clamping groove to control the folding of the handrail, the buckle 303 is embedded into the clamping groove in the unfolding state, the handrail 2 is kept in the unfolding state, the wrong folding in the using process is avoided, if the folding is needed, the switch is pressed, the buckle 303 is separated from the clamping groove, the handrail 2 is folded, otherwise, the pressing switch is not needed, only need rotatory expansion can, buckle 303 can be when the handrail expandes to target in place through the automatic buckle 303 embedding draw-in groove that will pass through of elasticity, the user is more convenient like this.

The working principle is as follows: when the foldable cart is used, the limit switch 13 is controlled by the wire harness body 5, one end of the wire harness body 5 is connected with the limit switch 13, the other end of the wire harness body is connected with the wire harness control mechanism 4, the wire harness body 5 is made to control the limit switch 13 to rotate by pressing the wire harness control mechanism 4, the wire harness body 5 is made to be parallel to the upper fixing plate 15, force is applied to the lower fixing plate 18 to drive the whole supporting structure to rotate and fold, the two guide wheels 11 are installed in front of the supporting structure and are in contact with the ground plane by the guide wheels 11 when the telescopic fixing rod 8 is folded, the basket 3 and the handrails 2 are also designed to be foldable, the overall size of the cart is further reduced, and the content which is not described in detail in the specification belongs to the prior art known by professionals in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A foldable cart comprises a cart frame (1), wherein a foldable basket (3) is installed on the upper side of the cart frame (1), and a foldable handrail (2) is installed on the upper side of the rear end of the cart frame (1);

the method is characterized in that: further comprising:

the wire harness control mechanism (4) is installed behind the lower side of the frame (1), the wire harness control mechanism (4) is connected with a wire harness body (5), and the front end and the rear end of the lower side of the frame (1) are respectively provided with a folding mechanism (6);

the upper end of the inclined strut (7) is rotatably connected to the folding mechanism (6), the other end of the inclined strut (7) is rotatably connected with a telescopic fixing rod (8), the lower end of the telescopic fixing rod (8) penetrates through and is fixed with a telescopic rod (9) through a bolt, and the lower end of the telescopic rod (9) is provided with a caster (10);

and the guide wheel (11) is arranged in front of the lower side of the frame (1), and the frame (1) is rotatably connected with the upper end of the telescopic fixed rod (8).

2. The foldable cart of claim 1, wherein: the folding mechanism (6) further comprises a torsion spring (12), a limit switch (13), a movable rivet (14), an upper fixing plate (15), a tension spring (16), a fixed rivet (17) and a lower fixing plate (18), the upper fixing plate (15) and the lower fixing plate (18) are rotatably connected through the fixed rivet (17), the upper fixing plate (15) and the lower fixing plate (18) are rotatably connected with the inclined stay bar (7) in an inclined shape through the movable rivet (14), and the tension spring (16) is connected between the movable rivet (14) and the fixed rivet (17);

the inboard of upper fixed plate (15) is connected with through fixing rivet (17) rotation limit switch (13), just limit switch (13) pass through torsional spring (12) with upper fixed plate (15) constitute elasticity revolution mechanic, and limit switch (13) with the other end of pencil body (5) is connected.

3. The foldable cart of claim 1, wherein: the bicycle basket (3) further comprises a bottom plate (301), side plates (302) and buckles (303), wherein the end portions of the bottom plate (301) are provided with 4 side plates (302), the side plates (302) are rotatably connected with the bottom plate (301), and the buckles (303) are installed at the rotating end portions of the side plates (302) and the bottom plate (301).

4. The foldable cart of claim 2, wherein: the wire harness control mechanism (4) is connected with the limit switch (13) through the wire harness body (5), and the rotation of the limit switch (13) is controlled through the wire harness control mechanism (4) and the wire harness body (5).

5. The foldable cart of claim 1, wherein: the telescopic fixing rods (8) are provided with 2 groups, and the 2 groups of telescopic fixing rods (8) are distributed in a staggered mode.

6. The foldable cart of claim 1, wherein: the telescopic rod (9) is in sliding connection with the telescopic fixing rod (8), and the telescopic fixing rod (8) is sleeved on the outer side of the telescopic rod (9).