CN218703306U

CN218703306U - Folding small handcart

Info

Publication number: CN218703306U
Application number: CN202221357304.XU
Authority: CN
Inventors: 孙本龙
Original assignee: Zhejiang Pride Leisure Products Co Ltd
Current assignee: Zhejiang Pride Leisure Products Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2023-03-24
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a folding small handcart, which comprises a frame, a push handle and four roller assemblies, wherein the four roller assemblies are arranged at four corners of the bottom of the frame; the side wall comprises two hinged X connecting rods, each X connecting rod comprises a long rod and a short rod, and the upper end and the lower end of the side wall are respectively in rotary connection with the upper end and the lower end of the front wall and the rear wall; the bottom frame comprises two bottom frames with the middle parts rotatably connected, and the front end and the rear end of the bottom frame are respectively rotatably connected with the lower parts of the front wall and the rear wall; a pushing handle is rotatably arranged on the rear wall; the bottom both ends of antetheca can be dismantled respectively and be equipped with two gyro wheel assemblies, the bottom both ends of back wall are fixed respectively and are equipped with two gyro wheel assemblies. The small handcart can be folded and stored before and after use, and is convenient to carry, simple in structure and convenient to operate.

Description

Folding small handcart

Technical Field

The utility model belongs to the technical field of the handcart, concretely relates to folding small handcart.

Background

The handcart is a carrying vehicle which is pushed and pulled by human power, and can be used in various complex environments due to simple operation, convenient use and strong trafficability, and the handcart can be popularized in life and production. The frame is as the important component of handcart, often decides the performance of handcart, but traditional handcart frame structure is complicated, and the volume is great, often still can not dismantle and folding, and the maintenance is troublesome, neither does not do benefit to and transports goods and materials in various environment, and occupation of land space is big when the handcart is not used, has also increased the degree of difficulty of carrying the use.

Disclosure of Invention

The utility model aims at prior art's defect, provide a folding small handcart, collapsible accomodating around the use, convenient to carry and simple structure, convenient operation.

In order to realize the above purpose, the utility model adopts the following technical scheme: a folding trolley comprises a trolley frame, a push handle and four roller assemblies, wherein the four roller assemblies are arranged at four corners of the bottom of the trolley frame, and the trolley frame comprises a frame body formed by a front wall, a rear wall, two side walls and four side faces and an underframe positioned at the bottom of the frame body; the side wall comprises two hinged X connecting rods, each X connecting rod comprises a long rod and a short rod, and the upper end and the lower end of the side wall are respectively in rotary connection with the upper end and the lower end of the front wall and the rear wall; the bottom frame comprises two bottom frames with the middle parts rotatably connected, and the front end and the rear end of the bottom frame are respectively rotatably connected with the lower parts of the front wall and the rear wall; a pushing handle is rotatably arranged on the rear wall; the bottom both ends of antetheca can be dismantled respectively and be equipped with two gyro wheel assemblies, the bottom both ends of back wall are fixed respectively and are equipped with two gyro wheel assemblies.

Furthermore, the rear wall comprises a U-shaped upper pipe, two vertical pipes and a lower transverse pipe, two ends of the U-shaped upper pipe are respectively hinged with the upper ends of the two side walls, two ends of the U-shaped upper pipe close to the bending part are respectively riveted with the upper ends of the two vertical pipes, and the lower ends of the two vertical pipes are respectively fixedly connected with two ends of the lower transverse pipe; the front wall and the rear wall are of the same structure; two roller assemblies are fixed on the lower transverse pipe of the rear wall, and the other two roller assemblies are detachably mounted at the bottoms of the two vertical pipes of the front wall.

Furthermore, the bottom frame comprises two bottom frame connecting pieces and four U-shaped connecting pieces, and the left side and the right side of the two bottom frames close to the middle part are respectively riveted through one bottom frame connecting piece; the two U-shaped connecting pieces are respectively fixed at two ends of the lower transverse pipe of the front wall or the rear wall, and the left side and the right side of the bottom frame far away from the middle part are respectively riveted with one U-shaped connecting piece; the lower end part of the X connecting rod of the side wall is riveted with the U-shaped connecting piece.

Furthermore, in each side wall, the lower ends of the two short rods are rotatably connected, and the upper ends of the two long rods are rotatably connected; the two ends of the U-shaped upper pipe of the front wall are respectively connected with the upper ends of the short rods at the front sides of the two side walls in a rotating mode, the two U-shaped connecting pieces at the front side of the bottom frame are respectively connected with the lower ends of the long rods at the front sides of the two side walls in a rotating mode, the two ends of the U-shaped upper pipe of the rear wall are respectively connected with the upper ends of the short rods at the rear sides of the two side walls in a rotating mode, and the two U-shaped connecting pieces at the rear side of the bottom frame are respectively connected with the lower ends of the long rods at the rear sides of the two side walls in a rotating mode.

Furthermore, the rotary connection between the X connecting rod and the end part of the U-shaped upper pipe or between the long rod and the short rod is realized through a cross pipe connecting piece; the cross pipe connecting piece comprises a left connecting piece and a right connecting piece which are symmetrical in structure, one end of the left connecting piece is riveted with one end of the right connecting piece, and the other end of the left connecting piece or the other end of the right connecting piece is fixed with the end part of a long rod or a short rod or a U-shaped upper pipe.

Further, still include the shallow sack, demountable installation is in the framework.

Furthermore, the front surface, the rear surface and the two side surfaces of the cart cloth bag are respectively provided with a pipe sleeve and a mounting opening, the middle section of the U-shaped upper pipe penetrates through the pipe sleeves to fix the front surface and the rear surface of the cart cloth bag, and the mounting openings are sleeved at the hinged positions of the upper ends of the two X connecting rods.

Furthermore, the roller assembly also comprises a metal shaft sleeve, a wheel carrier and rollers which are sequentially arranged from top to bottom, and the two roller assemblies on the rear wall are fixedly connected through the metal shaft sleeve; the two roller assemblies on the front wall are detachably connected through a metal shaft sleeve.

Furthermore, a protecting sleeve is sleeved on the top of the metal shaft sleeve.

Furthermore, the push handle is telescopic.

Adopt the technical scheme of the utility model, the beneficial effects of the utility model are that: the trolley adopts the design that the two symmetrical side surfaces have the same structure, the roller assembly on one side is fixedly installed, and the roller assembly on the other side is detachable, so that the production and assembly process is simpler; the cart cloth bag is integrally foldable and contained, the structure is novel, the cart cloth bag is fixed with the frame body of the frame through a plurality of installation parts, the whole cart cloth bag is detachably designed, and the cart cloth bag can be detached and cleaned after long-term use; the disassembly and the folding are convenient and quick, the transportation capacity is strong, and the use is convenient and quick.

Drawings

FIG. 1 is a perspective view of a folding cart;

FIG. 2 is a disassembled view of a folding cart;

fig. 3 is an exploded view of a frame on a folding cart.

In the figure: the hand-held trolley comprises a frame 1, a front wall 101, a rear wall 102, side walls 103, an underframe 104, pushers 2, connecting parts 21, telescopic rods 22, a handheld part 23, a roller assembly 3, a metal shaft sleeve 31, a wheel frame 32, rollers 33, a cart cloth bag 4, a pipe sleeve 41, a mounting port 42, a connecting rod 5X, a long rod 51, a short rod 52, a bottom frame 6, an upper U-shaped pipe 7, a middle section 71, a vertical pipe 8, a lower horizontal pipe 9, a connecting U-shaped part 10, a connecting bottom frame 11, a connecting part 12 with crossed pipes, a left connecting part 121 and a right connecting part 122.

Detailed Description

The specific embodiments of the present invention will be further explained with reference to the drawings, so that the technical solutions will be more clear and understood.

As shown in fig. 1-3, the present embodiment discloses a foldable trolley, which includes a frame 1, a pushing handle 2 and four roller assemblies 3, wherein the four roller assemblies 3 are mounted at four corners of the bottom of the frame 1, and the frame includes a frame body formed by four side surfaces, namely a front wall 101, a rear wall 102, two side walls 103, and a bottom frame 104 located at the bottom of the frame body; the side wall 103 comprises two hinged X connecting rods 5, each X connecting rod 5 comprises a long rod 51 and a short rod 52, and the upper end and the lower end of the side wall 103 are respectively connected with the upper end and the lower end of the front wall 101 and the rear wall 102 in a rotating manner; the underframe 104 comprises two underframe 6 with the middle parts rotatably connected, and the front end and the rear end of the underframe 104 are respectively rotatably connected with the lower parts of the front wall 101 and the rear wall 102; the rear wall 102 is rotatably provided with a push handle 2; two roller assemblies 3 are detachably arranged at two ends of the bottom of the front wall 101 respectively, and two roller assemblies 3 are fixedly arranged at two ends of the bottom of the rear wall 102 respectively.

In a specific embodiment, the illustrated rear wall 102 includes a U-shaped upper tube 7, two vertical tubes 8 and a lower horizontal tube 9, two ends of the U-shaped upper tube 7 are respectively hinged to upper ends of two side walls 103, two ends of the U-shaped upper tube 7 near a bend are respectively riveted to upper ends of the two vertical tubes 8, and lower ends of the two vertical tubes 8 are respectively fixedly connected to two ends of the lower horizontal tube 9; the front wall 101 and the rear wall 102 are identical in structure; two roller assemblies 3 are fixed on the lower transverse pipe of the rear wall 102, and the other two roller assemblies 3 are detachably mounted at the bottoms of the two vertical pipes of the front wall 101. The two vertical tubes 8 and one lower cross tube 9 are preferably fixed by welding.

Specifically, the illustrated chassis 104 further includes two bottom frame members 11 and four U-shaped members 10, and the chassis 104 is connected to the front wall 101, the rear wall 102 and the side walls 103 at the periphery through the above members. The left side and the right side of the two bottom frames 6 close to the middle part are respectively riveted through a bottom frame connecting piece 11; the two U-shaped connecting pieces are respectively fixed at two ends of the lower transverse pipe, and the left side and the right side of the bottom frame 6 far away from the middle part are respectively riveted with one U-shaped connecting piece 10; the lower end part of the X connecting rod 5 of the side wall is riveted with a U-shaped connecting piece 10.

In each side wall 103, the lower ends of two short rods 52 are rotatably connected, and the upper ends of two long rods 51 are rotatably connected; the two ends of the U-shaped upper tube 7 of the front wall 101 are respectively rotatably connected with the upper ends of the short rods 52 at the front sides of the two side walls 103, the two U-shaped connecting pieces 10 at the front side of the bottom frame 104 are respectively rotatably connected with the lower ends of the long rods 51 at the front sides of the two side walls, the two ends of the U-shaped upper tube 7 of the rear wall 102 are respectively rotatably connected with the upper ends of the short rods 52 at the rear sides of the two side walls, and the two U-shaped connecting pieces 10 at the rear side of the bottom frame 104 are respectively rotatably connected with the lower ends of the long rods 51 at the rear sides of the two side walls.

The rotational connection between the X-bar and the end of the U-shaped upper tube 7, or between the long and

short rods

51 and 52 is achieved by a cross tube connection 12; the cross pipe connecting piece 12 comprises a left connecting piece 121 and a right connecting piece 122 which are symmetrical in structure, one end of the left connecting piece 121 is riveted with one end of the right connecting piece 122, the other end of the left connecting piece 121 or the other end of the right connecting piece 122 is fixed with the end part of a long rod 51 or a short rod 52 or a U-shaped upper pipe 7, and particularly, the other end of the left connecting piece 121 or the other end of the right connecting piece 122 is embedded into the end part of the long rod 51 or the short rod 52 or the U-shaped upper pipe 7 and then is fixed by a screw or a pin.

Because be by underframe and X connecting rod, riser etc. constitute in the framework, the clearance is great between the part, can place jumbo size article, but tiny article just break away from easily in the handcart removal process and drop away, so for the ease of placing tiny article, can be equipped with detachable shallow sack 4 in the framework, the later stage of being convenient for uses dismantlement washing.

One specific installation mode is that the front surface, the back surface and two side surfaces of the cart cloth bag 4 are respectively provided with a pipe sleeve 41 and an installation opening 42, the middle section 71 of the U-shaped upper pipe 7 penetrates through the pipe sleeves 41 to fix the front surface and the back surface of the cart cloth bag, and an opening at the lower end of the installation opening 42 is sleeved at the hinged position of the upper ends of the two X connecting rods 5.

The roller assemblies 3 comprise a metal shaft sleeve 31, a wheel carrier 32 and a roller assembly 33 which are sequentially arranged from top to bottom, and the two roller assemblies 3 on the rear wall are fixedly connected through the metal shaft sleeve 31; the two roller assemblies 3 on the front wall are detachably connected through a metal shaft sleeve 31. The top of the metal shaft sleeve 31 is sleeved with a protective sleeve.

In a specific embodiment, the pushing handle 2 is telescopic and comprises a connecting portion 21, a telescopic rod 22 and a handheld portion 23, the telescopic rod 22 and the connecting portion 21 are sequentially fixed from top to bottom, and the connecting portion 21 is riveted with a U-shaped connecting piece mounted in the middle of a lower transverse pipe through a pin shaft.

Because the lateral wall is articulated through two X connecting rods, the X connecting rod adopts the combination of stock and quarter butt, and U-shaped top tube is articulated equally with the X connecting rod, and when folding was accomodate, stock and quarter butt draw in, and the U-shaped top tube one end of being connected with the quarter butt shifts up simultaneously, and two 6 middle parts of underframe shift up and gather together, and the last user state who accomplishes whole frame and follow the expansion becomes folding state of gathering together, reduces and takes up an area of the space, the batch packing transportation of the folding handcart of being convenient for.

In a specific embodiment, two rollers on the rear wall 102 provided with the push handle are universal wheels, and two rollers on the front wall 101 are directional wheels.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A folding trolley is characterized by comprising a trolley frame, a pushing handle and four roller assemblies, wherein the four roller assemblies are arranged at four corners of the bottom of the trolley frame; the side wall comprises two hinged X connecting rods, each X connecting rod comprises a long rod and a short rod, and the upper end and the lower end of the side wall are respectively in rotary connection with the upper end and the lower end of the front wall and the rear wall; the bottom frame comprises two bottom frames with the middle parts rotatably connected, and the front end and the rear end of the bottom frame are respectively rotatably connected with the lower parts of the front wall and the rear wall; a push handle is rotatably arranged on the rear wall;

two roller assemblies are detachably arranged at two ends of the bottom of the front wall respectively, and two roller assemblies are fixedly arranged at two ends of the bottom of the rear wall respectively;

the rear wall comprises a U-shaped upper pipe, two vertical pipes and a lower transverse pipe, two end parts of the U-shaped upper pipe are respectively hinged with the upper ends of the two side walls, two ends of the U-shaped upper pipe close to a bending part are respectively riveted with the upper ends of the two vertical pipes, and the lower ends of the two vertical pipes are respectively fixedly connected with two ends of the lower transverse pipe; the front wall and the rear wall are of the same structure;

two roller assemblies are fixed on the lower transverse pipe of the rear wall, and the other two roller assemblies are detachably mounted at the bottoms of the two vertical pipes of the front wall.

2. The folding cart of claim 1, wherein said bottom frame comprises two bottom frame connectors and four U-shaped connectors, wherein the left and right sides of said two bottom frames near the middle are riveted by one bottom frame connector;

the two U-shaped connecting pieces are respectively fixed at two ends of the lower transverse pipe of the front wall or the rear wall, and the left side and the right side of the bottom frame far away from the middle part are respectively riveted with one U-shaped connecting piece;

the lower end part of the X connecting rod of the side wall is riveted with the U-shaped connecting piece.

3. The foldable trolley according to claim 2, wherein in each side wall, the lower ends of the two short bars are rotatably connected and the upper ends of the two long bars are rotatably connected;

the two ends of the U-shaped upper pipe of the front wall are respectively connected with the upper ends of the short rods at the front sides of the two side walls in a rotating mode, the two U-shaped connecting pieces at the front side of the bottom frame are respectively connected with the lower ends of the long rods at the front sides of the two side walls in a rotating mode, the two ends of the U-shaped upper pipe of the rear wall are respectively connected with the upper ends of the short rods at the rear sides of the two side walls in a rotating mode, and the two U-shaped connecting pieces at the rear side of the bottom frame are respectively connected with the lower ends of the long rods at the rear sides of the two side walls in a rotating mode.

4. A folding dolly according to claim 3 wherein the rotational connection between the X link and the end of the upper U-shaped tube or the long and short bars is made by a cross tube connection;

the cross pipe connecting piece comprises a left connecting piece and a right connecting piece which are symmetrical in structure, one end of the left connecting piece is riveted with one end of the right connecting piece, and the other end of the left connecting piece or the other end of the right connecting piece is fixed with the end part of a long rod or a short rod or a U-shaped upper pipe.

5. The folding cart of claim 1, further comprising a cart cloth bag removably mounted in the frame.

6. The foldable trolley according to claim 5, wherein the front and rear surfaces and two side surfaces of the trolley cloth bag are respectively provided with a pipe sleeve and a mounting opening, the middle section of the U-shaped upper pipe penetrates through the pipe sleeves to fix the front and rear surfaces of the trolley cloth bag, and the mounting opening is sleeved at the hinge joint of the upper ends of the two X-shaped connecting rods.

7. The foldable trolley according to claim 1, wherein the roller assemblies further comprise a metal shaft sleeve, a wheel carrier and rollers arranged in sequence from top to bottom, and the two roller assemblies on the rear wall are fixedly connected through the metal shaft sleeve; the two roller assemblies on the front wall are detachably connected through a metal shaft sleeve.

8. The folding cart of claim 7, wherein said metal axle sleeve is covered with a protective sleeve on top.

9. A folding dolly in accordance with claim 1 wherein the pushing arm is telescopic.