CN210971188U

CN210971188U - Folding handcart

Info

Publication number: CN210971188U
Application number: CN201922109081.XU
Authority: CN
Inventors: 周晓峰
Original assignee: Foshan Shijing Tourism Products Co ltd
Current assignee: Foshan Shijing Tourism Products Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-10
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a folding handcart, which comprises an upper cross bar, a lower cross bar, a left telescopic rod, a right telescopic rod, a left bottom frame, a right bottom frame, wheels, a left frame, a right frame, a left side lever and a right side lever; the left end and the right end of the upper cross rod are respectively hinged with the left frame and the right frame, the left end and the right end of the lower cross rod are respectively hinged with the left bottom frame and the right bottom frame, the two ends of the upper cross rod and the two ends of the lower cross rod are respectively provided with a limiting connecting piece, the upper end of the left telescopic rod is hinged with the left end of the upper cross rod, the lower end of the left telescopic rod is hinged with the left end of the left bottom frame, the upper end of the right telescopic rod is hinged with the right end of the upper cross rod, the lower end of the right telescopic rod is hinged with the right end of the right bottom frame, the upper end and the. Folding handcart is simple convenient, increases folding handcart's year thing ability moreover, and does not influence folding volume, is convenient for deposit, transport.

Description

Folding handcart

Technical Field

The utility model relates to a handcart especially relates to a folding handcart.

Background

With the continuous improvement of the life quality of people, people often need to go out for camping and vacation in idle life after work. When doing outdoor activities, people often choose to use carts for short-haul transport in order to more conveniently carry large amounts of activity materials. In order to store and carry, the existing foldable and portable trolley is generally designed to be smaller, so that the space of the unfolded portable trolley is limited, and the carrying capacity is weak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding handcart to solve above-mentioned problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a folding handcart comprises an upper cross bar, a lower cross bar, a left telescopic rod, a right telescopic rod, a left bottom frame, a right bottom frame, wheels, a left frame, a right frame, a left side rod and a right side rod;

the left end of the upper cross bar is hinged with the left frame, the right end of the upper cross bar is hinged with the right frame, the left end of the lower cross bar is hinged with the left bottom frame, the right end of the lower cross bar is hinged with the right bottom frame, the left end and the right end of the upper cross bar and the left end and the right end of the lower cross bar are respectively provided with a limiting connecting piece at the hinged positions, the cross section of each limiting connecting piece is of a door-shaped structure, and the limiting connecting pieces are respectively used for limiting the unfolding angles of the upper cross bar, the left frame and the right frame and limiting the unfolding angles of the lower cross bar, the left bottom frame and the right bottom frame;

the upper end of the left telescopic rod is hinged to the left end of the upper cross rod, the lower end of the left telescopic rod is hinged to the left end of the left bottom frame, the upper end of the right telescopic rod is hinged to the right end of the upper cross rod, the lower end of the right telescopic rod is hinged to the right end of the right bottom frame, at least three wheels are arranged, and the wheels are respectively arranged on the bottom surface of the left bottom frame and the bottom surface of the right bottom frame;

the upper end of the left side rod is hinged to the middle of the left frame, the lower end of the left side rod is hinged to the left end of the left bottom frame, the upper end of the right side rod is hinged to the middle of the right frame, and the lower end of the right side rod is hinged to the right end of the right bottom frame.

The foldable trolley further comprises a fork rod assembly, the fork rod assembly is in an X shape, two ends of the left side of the fork rod assembly are hinged to the left end of the upper cross rod and the left end of the lower cross rod respectively, and two ends of the right side of the fork rod assembly are hinged to the right end of the upper cross rod and the right end of the lower cross rod respectively.

In the folding handcart, the left bottom frame and the right bottom frame are fixedly connected with carrying transverse plates.

The foldable trolley is characterized by further comprising a containing bag, the containing bag is made of canvas, when the foldable trolley is unfolded, the containing bag is arranged inside the foldable trolley to form a storage space, fixing lugs are arranged at positions, close to the upper transverse rod, the left frame, the right frame, the left side rod and the right side rod, of the containing bag, the upper transverse rod, the left frame, the right frame, the left side rod and the right side rod respectively penetrate through the corresponding fixing lugs, and the containing bag is fixed to the foldable trolley.

In the folding handcart, all detachably be connected with on left side frame and the right frame and put the thing diaphragm, the below of putting the thing diaphragm be equipped with a plurality of with the fixation clamp of left side frame, right frame looks adaptation, the fixation clamp joint is on left side frame or right frame.

In the folding handcart, the right frame also comprises a pull rod, and the pull rod is hinged to the right side surface of the right frame.

In the folding trolley, the length of the left frame is smaller than the maximum length of the left telescopic rod, the length of the right frame is smaller than the maximum length of the right telescopic rod, and the sum of the lengths of the right frame and the pull rod is smaller than the maximum length of the right telescopic rod.

In the folding handcart, the left telescopic rod comprises a first outer rod, a second outer rod and a first inner rod, the lower end of the first outer rod is hinged to the left end of the left bottom frame, one end of the first inner rod is sleeved on the inner side of the first outer rod, the other end of the first inner rod is fixedly connected with the lower end of the second outer rod, and the upper end of the second outer rod is hinged to the left end of the upper cross rod.

In the folding trolley, the right telescopic rod comprises a third outer rod, a fourth outer rod and a second inner rod, the lower end of the third outer rod is hinged to the right end of the right bottom frame, one end of the second inner rod is sleeved on the inner side of the third outer rod, the other end of the second inner rod is fixedly connected with the lower end of the fourth outer rod, and the upper end of the fourth outer rod is hinged to the left end of the upper cross rod.

In the folding handcart, the wheels are universal wheels.

The utility model has the advantages that:

1. through the cooperation of fork arm subassembly, last horizontal pole, sheer pole, left telescopic link, right telescopic link, left underframe, right underframe, left frame, right frame, left side pole and right side pole, folding handcart is when expanding, and it is big to carry the thing space.

2. The foldable trolley is provided with the storage bag and the storage transverse plate, so that the carrying capacity of the foldable trolley is greatly increased, the size of the foldable trolley after being folded is not influenced when the foldable trolley is folded, and the foldable trolley is convenient to store and carry.

3. Only acting force is applied to the left frame and the right frame, the folding chair can be folded and unfolded, and the folding chair is simple and convenient.

Drawings

The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.

Fig. 1 is a schematic structural diagram of one embodiment of the present invention.

Fig. 2 is a schematic diagram of a contracted state according to one embodiment of the present invention.

Fig. 3 is a partial enlarged view of one embodiment of the present invention.

Fig. 4 is a schematic view of the retracted state of another embodiment of the present invention, in which the left frame, the right frame, the storage bag, the left side rod, the right side rod, the storage transverse plate, the pull rod and the wheel are removed.

In the drawings: the multifunctional folding bicycle comprises an upper cross bar 01, a lower cross bar 02, a limiting connecting piece 011, a left telescopic rod 03, a first outer rod 31, a first inner rod 32, a second outer rod 33, a right telescopic rod 04, a third outer rod 41, a second inner rod 42, a fourth outer rod 43, a left bottom frame 05, a loading transverse plate 51, a right bottom frame 06, wheels 07, a left side frame 08, a loading transverse plate 81, a fixing clamp 82, a right side frame 09, a fork rod assembly 10, a pull rod 11, a left side rod 12, a right side rod 13, a loading bag 14 and a fixing lug 141.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It should be noted that the directional coordinates shown in fig. 2 and 4, and the directional words such as up, down, left, right, etc. described in the present invention are only used for better explaining the present invention, but not for limiting the present invention.

Referring to fig. 1-3, the present invention provides a foldable trolley, which comprises an upper cross bar 01, a lower cross bar 02, a left telescopic rod 03, a right telescopic rod 04, a left bottom frame 05, a right bottom frame 06, wheels 07, a left frame 08, a right frame 09, a left side rod 12, and a right side rod 13;

the left end of the upper cross bar 01 is hinged to the left frame 08, the right end of the upper cross bar 01 is hinged to the right frame 09, the left end of the lower cross bar 02 is hinged to the left bottom frame 05, the right end of the lower cross bar 02 is hinged to the right bottom frame 06, two ends of the upper cross bar 01 and two ends of the lower cross bar 02 are respectively provided with a limit connecting piece 011 at the hinged position, the cross section of each limit connecting piece is of a door-shaped structure, and the limit connecting pieces 011 are respectively used for limiting the unfolding angles of the upper cross bar 01, the left frame 08 and the right frame 09 and limiting the unfolding angles of the lower cross bar 02, the left bottom frame 05 and the right bottom frame 06;

the upper end of the left telescopic rod 03 is hinged to the left end of the upper cross rod 01, the lower end of the left telescopic rod 03 is hinged to the left end of the left bottom frame 05, the upper end of the right telescopic rod 04 is hinged to the right end of the upper cross rod 01, the lower end of the right telescopic rod 04 is hinged to the right end of the right bottom frame 06, at least three wheels 07 are arranged, and the wheels 07 are respectively arranged on the bottom surface of the left bottom frame 05 and the bottom surface of the right bottom frame 06;

the upper end of the left side rod 12 is hinged to the middle of the left frame 08, the lower end of the left side rod 12 is hinged to the left end of the left bottom frame 05, the upper end of the right side rod 13 is hinged to the middle of the right frame 09, and the lower end of the right side rod 13 is hinged to the right end of the right bottom frame 06.

When the foldable trolley is unfolded, if the rotating angles of the left frame 08, the left bottom frame 05, the right frame 09 and the right bottom frame 06 are too large, the foldable trolley is deformed, the use of the foldable trolley is affected, and even the foldable trolley is easily damaged. And when carrying the great article of weight, the rotation of left side frame 08, left underframe 05, right frame 09 and right underframe 06 can be restricted to spacing connecting piece 011, reaches the effect that increases folding car's bearing capacity.

Acting force is applied to the left frame 08, the right frame 09 and the lower cross bar 02 to enable the left frame 08 and the right frame 09 to rotate, the left bottom frame 05 and the right bottom frame 06 are driven to rotate, the lengths of the left telescopic rod 03 and the right telescopic rod 04 are changed, and the folding trolley is contracted and unfolded. The rotation of the left frame 08 and the right frame 09 can be performed synchronously, and in the rotation process of the left frame 08 and the right frame 09, the position of the upper cross bar 01 is changed according to the length change of the left telescopic rod 03 and the right telescopic rod 04 due to the length change of the left telescopic rod 03 and the right telescopic rod 04.

As shown in fig. 1 and 2, when the foldable trolley is folded to be unfolded, a horizontal upward acting force is applied to the left side frame 08, the left side frame 08 rotates back to the side of the lower cross bar 02 by taking the hinged position of the left side frame 08 and the upper cross bar 01 as a circle center until the left side frame 08 and the upper cross bar 01 are in the same horizontal plane, the left side frame 08 is limited by the limit connecting piece 011, and self-locking is realized by gravity and the limit connecting piece 011.

Driven by the left frame 08, the left rod 12 rotates towards one side of the left telescopic rod 03 by taking the hinged position of the left rod 12 and the left frame 08 as a circle center, and the left telescopic rod 03 slowly retracts from the longest state to the shortest state. Apply a horizontal decurrent effort to sheer pole 02, make left underframe 05 use the articulated department of left underframe 05 and sheer pole 02 as the centre of a circle, horizontal pole 01 one side rotates up, and until left underframe 05 and sheer pole 02 are in the same horizontal plane, spacing connecting piece 011 carries on spacingly to left underframe 05, realizes the auto-lock through gravity and spacing connecting piece 011.

Similarly, a horizontal upward acting force is applied to the right frame 09, the right frame 09 takes the hinged position of the right frame 09 and the upper cross rod 01 as a circle center, the back of the right frame 09 rotates towards one side of the lower cross rod 02 until the right frame 09 and the upper cross rod 01 are in the same horizontal plane, the limiting connecting piece 011 limits the right frame 09, and self-locking is achieved through gravity and the limiting connecting piece 011.

Driven by the right frame 09, the right rod 13 rotates towards one side of the right telescopic rod 04 by taking the hinged position of the right rod 13 and the right frame 09 as a circle center, and the right telescopic rod 04 is slowly contracted to the shortest state from the longest state. Apply a horizontal decurrent effort to sheer pole 02, make right underframe 06 use the articulated department of right underframe 06 and sheer pole 02 as the centre of a circle, horizontal pole 01 one side rotates up, until right underframe 06 and sheer pole 02 are in the same horizontal plane, spacing connecting piece 011 carries on spacingly to right underframe 06, realizes the auto-lock through gravity and spacing connecting piece 011.

After the foldable trolley is completely unfolded, the left frame 08-the upper cross bar 01-the right frame 09 "forms the top surface of the foldable trolley, the left bottom frame 05-the lower cross bar 02-the right bottom frame 06" forms the bottom surface of the foldable trolley, the wheels 07 are in contact with the ground, and the left side rod 12 and the right side rod 13 are connected with the top surface and the bottom surface of the foldable trolley.

When the foldable trolley is unfolded to be contracted, a horizontal downward acting force is applied to the left frame 08 and the right frame 09, and a horizontal upward acting force is applied to the lower cross bar 02, so that the foldable trolley can be contracted. When the telescopic rods are contracted, the left telescopic rod 03 and the right telescopic rod 04 are slowly contracted to the longest state from the shortest state, the left bottom frame 05 and the right bottom frame 06 gradually rotate to the lower part of the lower cross bar 02, and the left side bar 12, the right side bar 13, the left frame 08 and the right frame 09 are reset to the state before expansion.

Finally, the left side rod 12 is parallel to the left telescopic rod 03, the right side rod 13 is parallel to the right telescopic rod 04, the left side frame 08 is closely attached to the left side rod 12, the right side frame 09 is closely attached to the right side rod 13, and the structure of the 'left bottom frame 05-lower cross rod 02-right bottom frame 06' is in an inverted 'U' shape to form a containing space, and the wheels 07 rotate along with the left bottom frame 05 or the right bottom frame 06 to enter the containing space.

Specifically, the foldable trolley of the embodiment further includes a fork assembly 10, the fork assembly 10 is in an "X" shape, and two ends of the left side of the fork assembly 10 are respectively hinged to the left end of the upper cross bar 01 and the left end of the lower cross bar 02. The two ends of the right side of the fork lever assembly 10 are hinged to the right end of the upper cross rod 01 and the right end of the lower cross rod 02 respectively.

The fork rod assembly 10 is connected with and fixes the upper cross rod 01 and the lower cross rod 02, and the X-shaped fork rod assembly 10 forms two triangular structures on the cross rod and the lower cross rod 02, so that the structure of the folding trolley is very stable, and a frame structure of the upper cross rod 01-the fork rod assembly 10-the lower cross rod 02 is formed.

In the process of contracting to expanding, the rotation of the left frame 08 and the right frame 09 enables the left telescopic rod 03 and the right telescopic rod 04 to slowly contract from the longest state to the shortest state, and when the position of the upper cross rod 01 gradually moves downwards, the fork rod assembly 10 enables the lower cross rod 02 and the upper cross rod 01 to synchronously move downwards. Similarly, the yoke assembly 10 moves the upper cross bar 01 up synchronously with the lower cross bar 02 during the expansion to contraction process.

By arranging the fork rod assembly 10, the upper cross rod 01 and the lower cross rod 02 realize synchronous displacement in the process of unfolding or folding the folding trolley. As long as exert the effort to left frame 08 and right frame 09, make left frame 08 and right frame 09 rotate, can realize folding handcart's whole folding and expansion, need not additionally again to exert the effort to sheer pole 02, make the process of contracting and expanding more swift, folding handcart uses more conveniently. Meanwhile, when in use, the fork rod component 10 can also be used as a guardrail of the folding handcart, and the articles in the folding handcart are prevented from falling out due to bumping.

Referring to fig. 1 and 3, specifically, a horizontal loading plate 51 is fixedly connected to the left bottom frame 05 and the right bottom frame 06. The left bottom frame 05 and the right bottom frame 06 are identical in structure, symmetrically arranged at two ends of the lower cross rod 02 and are U-shaped. The left bottom frame 05 and the right bottom frame 06 are respectively provided with a loading transverse plate 51. Both ends of the carrying transverse plate 51 are fixedly connected to the left bottom frame 05 or the right bottom frame 06, so that a platform for placing articles is provided, and the folding trolley can bear the articles in the unfolding state.

Preferably, the foldable trolley further comprises a bag 14, the bag 14 is made of canvas, when the foldable trolley is unfolded, the bag 14 encloses a storage space inside the foldable trolley, the bag 14 is provided with a plurality of fixing lugs 141 at positions close to the upper cross bar 01, the left frame 08, the right frame 09, the left side bar 12 and the right side bar 13, respectively, and the upper cross bar 01, the left frame 08, the right frame 09, the left side bar 12 and the right side bar 13 respectively penetrate through the corresponding fixing lugs 141, so that the bag 14 can be stably fixed on the foldable trolley. The bag 14 not only allows the cart to be folded to store smaller items, but also does not affect the storage area and weight after being folded.

Specifically, all be connected with on left side frame 08 and the right frame 09 and put thing diaphragm 81, the below of putting thing diaphragm 81 is equipped with a plurality of and left side frame, the fixation clamp 82 of right frame looks adaptation, fixation clamp 82 joint is on left side frame or right frame.

As shown in fig. 1 and 3, the object placing transverse plate 81 is formed by splicing a plurality of transverse plates, a plurality of fixing clamps 82 matched with the left frame and the right frame are arranged below the object placing transverse plate 81, and the fixing clamps 82 are connected to the left frame or the right frame in a clamping manner. The setting position of the fixing clip 8 is as shown in fig. 3, and the transverse placing plate 81 is detachably connected to the left frame or the right frame by the clamping of the fixing clip 82.

The detachable connection can enable the article placing transverse plate 81 to be installed at any position of the left side frame 08 and the right side frame 09, the article storing capacity of the folding trolley can be further enhanced, the space utilization rate of the trolley is improved, the size of the trolley after the trolley is folded in a retracted mode is not affected, meanwhile, when the article placing transverse plate 81 is installed on the folding trolley, the article placing transverse plate 81 covers an opening of the folding trolley, at the moment, the folding trolley can be used as an outdoor table, and outdoor movable articles can be placed on the article placing transverse plate 81; in addition, the horizontal placement plate 81 can also be used as a cover plate of the foldable trolley to prevent the articles in the foldable trolley from falling out due to bumping.

Further, the right frame 09 further comprises a pull rod 11, and the pull rod 11 is hinged to the right side surface of the right frame 09. When in use, the pull rod 11 can more easily control the direction of the folding handcart, and is suitable for users with different heights and hand lengths.

Furthermore, the length of the left frame 08 is smaller than the maximum length of the left telescopic rod 03, the length of the right frame 09 is smaller than the maximum length of the right telescopic rod 04, and the sum of the lengths of the right frame 09 and the pull rod 11 is smaller than the maximum length of the right telescopic rod 04.

Under folding handcart expansion state, the length of controlling telescopic link 04 is in the minimum, if left frame 08 is longer than the maximum length of left telescopic link 03, right frame 09 is good at the maximum length of right telescopic link 04, can lead to the proportion of folding handcart inconsistent, and left frame 08 and right frame 09 are too big, lead to left frame 08 and right frame 09 to damage easily, and it is also inconvenient to use.

In one embodiment, the sum of the lengths of the right frame 09 and the tie bar 11 is the same as the length of the left frame 08. Because the right side of the right frame 09 is hinged with the right pull rod 11, in order to avoid that the pull rod 11 cannot be completely contracted and occupies more space when the foldable trolley is in a contracted state, the sum of the lengths of the right frame 09 and the pull rod 11 is less than the maximum length of the right telescopic rod 04.

Specifically, the left telescopic rod 03 comprises a first outer rod 31, a second outer rod 33 and a first inner rod 32, the lower end of the first outer rod 31 is hinged to the left end of the left bottom frame 05, one end of the first inner rod 32 is sleeved on the inner side of the first outer rod 31, the other end of the first inner rod is fixedly connected with the lower end of the second outer rod 33, and the upper end of the second outer rod 33 is hinged to the left end of the upper cross rod 01.

As shown in fig. 4, since the first outer rod 31 is sleeved outside the first inner rod 32, the length of the first outer rod 31 is greater than that of the second outer rod 33, and the bottom areas of the first outer rod 31 and the second outer rod 33 are the same. The two outer rods can play a limiting role, the folding bicycle is prevented from continuing to deform after being unfolded to the position, and meanwhile, the pressure borne by the mutual extrusion of the first outer rod 31 and the second outer rod 33 along the length direction of the first outer rod is far greater than the pressure borne by the rotating shaft, so that the bearing capacity of the folding bicycle can be increased.

Specifically, the right telescopic rod 04 comprises a third outer rod 41, a fourth outer rod 43 and a second inner rod 42, the lower end of the third outer rod 41 is hinged to the right end of the right bottom frame 06, one end of the second inner rod 42 is sleeved on the inner side of the third outer rod 41, the other end of the second inner rod 42 is fixedly connected with the lower end of the fourth outer rod 43, and the upper end of the fourth outer rod 43 is hinged to the left end of the upper cross rod 01.

The left telescopic link 03 is the same as the right telescopic link 04 in structure, and similarly, the left telescopic link 03 is the same as the right telescopic link 04 in function, so that the limiting function is also realized, the folding bicycle is prevented from being continuously deformed after being unfolded to a position, and meanwhile, the pressure borne by the mutual extrusion of the third outer rod 41 and the fourth outer rod 43 along the length direction of the third outer rod is far greater than the pressure borne by the rotating shaft, so that the bearing capacity of the folding bicycle can be increased.

Preferably, the wheels 07 are universal wheels. The universal wheels enable the direction of the foldable trolley to be controlled more easily and more conveniently when the foldable trolley is used.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.

Claims

1. A folding cart, comprising: the device comprises an upper cross bar, a lower cross bar, a left telescopic rod, a right telescopic rod, a left bottom frame, a right bottom frame, wheels, a left frame, a right frame, a left side rod and a right side rod;

2. A folding cart according to claim 1, wherein: still include the fork arm subassembly, the fork arm subassembly is "X" form, just the left side both ends of fork arm subassembly articulate respectively in the left end of last horizontal pole and the left end of sheer pole, the right side both ends of fork arm subassembly articulate respectively in the right-hand member of last horizontal pole and the right-hand member of sheer pole.

3. A folding cart according to claim 1, wherein: and the left bottom frame and the right bottom frame are fixedly connected with carrying transverse plates.

4. A folding cart according to claim 1, wherein: still include and put the thing bag, it is the canvas material to put the thing bag, work as when folding handcart expandes, it is in to put the thing bag the inside of folding handcart encloses into a storage space, it is being close to put the thing bag all is equipped with fixed ear in the position of last horizontal pole, left frame, right frame, left side pole and right side pole, go up horizontal pole, left frame, right frame, left side pole and right side pole and pass corresponding fixed ear respectively, will it fixes on folding handcart to put the thing bag.

5. A folding cart according to claim 1, wherein: all detachably be connected with on left side frame and the right frame and put the thing diaphragm, the below of putting the thing diaphragm be equipped with a plurality of with the fixation clamp of left side frame, right frame looks adaptation, the fixation clamp joint is on left side frame or right frame.

6. A folding cart according to claim 1, wherein: the right frame further comprises a pull rod, and the pull rod is hinged to the right side face of the right frame.

7. A folding cart according to claim 6, wherein: the length of the left frame is smaller than the maximum length of the left telescopic rod, the length of the right frame is smaller than the maximum length of the right telescopic rod, and the sum of the lengths of the right frame and the pull rod is smaller than the maximum length of the right telescopic rod.

8. A folding cart according to claim 1, wherein: the left telescopic rod comprises a first outer rod, a second outer rod and a first inner rod, the lower end of the first outer rod is hinged to the left end of the left bottom frame, one end of the first inner rod is sleeved on the inner side of the first outer rod, the other end of the first inner rod is fixedly connected with the lower end of the second outer rod, and the upper end of the second outer rod is hinged to the left end of the upper cross rod.

9. A folding cart according to claim 1, wherein: the right telescopic rod comprises a third outer rod, a fourth outer rod and a second inner rod, the lower end of the third outer rod is hinged to the right end of the right bottom frame, one end of the second inner rod is sleeved on the inner side of the third outer rod, the other end of the second inner rod is fixedly connected with the lower end of the fourth outer rod, and the upper end of the fourth outer rod is hinged to the left end of the upper cross rod.

10. A folding cart according to claim 1, wherein: the wheels are universal wheels.