Cart configured to carry vehicle doors and vehicle roofs

1. A cart configured to carry vehicle doors and vehicle roofs, comprising: a bottom frame, a top frame, three front vertical rods, three rear vertical rods, a middle frame, three moving rods, two inner chassis, two side chassis, a rear chassis, and a plurality of universal wheels;

wherein the bottom frame comprises a front bottom rod, a rear bottom rod, a left bottom rod, and a right bottom rod; the front bottom rod, the rear bottom rod, the left bottom rod, and the right bottom rod are connected end to end; and each two adjacent bottom rods of the bottom frame are detachably installed and connected through a first corner brace and first T-shaped screws;

wherein the top frame is arranged directly above the bottom frame; a shape and a size of the top frame are same as a shape and a size of the bottom frame; the top frame comprises a front top rod, a rear top rod, a left top rod, and a right top rod; the front top rod, the rear top rod, the left top rod, and the right top rod are connected end to end; and each two adjacent top rods of the top frame are detachably installed and connected through a second corner brace and second T-shaped screws;

wherein the three front vertical rods are arranged on the bottom frame and the top frame at intervals from left to right; a lower end of each of the front vertical rods is detachably installed and connected to the bottom frame through third corner braces and third T-shaped screws; an upper end of each of the front vertical rods is detachably installed and connected to the top frame through fourth corner braces and fourth T-shaped screws;

wherein the three rear vertical rods are arranged on the bottom frame and the top frame at intervals from left to right; the three rear vertical rods are arranged opposite to the three front vertical rods; a lower end of each of the rear vertical rods is detachably installed and connected to the bottom frame through fifth corner braces and fifth T-shaped screws; an upper end of each of the rear vertical rods is detachably installed and connected to the top frame through sixth corner braces and sixth T-shaped screws;

wherein the middle frame is arranged between the bottom frame and the top frame; the middle frame comprises a rear middle rod and three longitudinal rods; the rear middle rod is detachably connected to the three rear vertical rods through seventh corner braces and seventh T-shaped screws; the three longitudinal rods are arranged at intervals from left to right; a front end of each of the longitudinal rods is detachably connected to a corresponding front vertical rod through an eighth corner brace and eighth T-shaped screws; a rear end of each of the longitudinal rods is detachably connected to a corresponding rear vertical rod through a ninth corner brace and ninth T-shaped screws;

wherein the three moving rods are arranged at intervals from left to right; the three moving rods are arranged between the top frame and the middle frame; the three moving rods are movable up and down between the top frame and the middle frame; a front end of each of the moving rods is detachably connected to a corresponding front vertical rod through a tenth corner brace and tenth T-shaped screws; a rear end of each of the moving rods is detachably connected to a corresponding rear vertical rod through an eleventh corner brace and eleventh T-shaped screws;

wherein the two inner chassis are arranged from left to right; a front end of each of the inner chassis is installed and connected to the front bottom rod through first screws, and a rear end of each of the inner chassis is connected to the rear bottom rod through second screws;

wherein the two side chassis are respectively arranged on a left outer side of the bottom frame and a right outer sides of the bottom frame; the two side chassis are respectively arranged on a left outer side of the middle frame and a right outer sides of the middle frame; lower sides of the two side chassis are respectively connected to the left bottom rod and the right bottom rod by third screws; an upper side of each of the side chassis is connected to a corresponding longitudinal rod by fourth screws;

wherein the rear chassis is arranged on a rear side of the bottom frame and a rear side of the middle frame; a lower side of the rear chassis is installed and connected to the rear bottom rod through fifth screws, and an upper side of the rear chassis is connected to the rear middle rod through sixth screws;

wherein the plurality of universal wheels are respectively mounted at corners of a bottom portion of the bottom frame through seventh screws.

2. The cart configured to carry vehicle doors and vehicle roofs according to claim 1 , wherein first clasps are detachably arranged on outer sides of two of the three moving rods arranged on two sides of the cart; each of the first clasps is arranged above a corresponding side chassis.

3. The cart configured to carry vehicle doors and vehicle roofs according to claim 1 , wherein a second clasp is detachably arranged on one of the three rear vertical rods arranged on a middle portion of the cart; the second clasp is arranged above the rear chassis.

4. The cart configured to carry vehicle doors and vehicle roofs according to claim 1 , wherein a top end of each of the front vertical rods and a top end of each of the rear vertical rods are covered with a respective plastic cover.

5. The cart configured to carry vehicle doors and vehicle roofs according to claim 1 , wherein handles are respectively detachably installed on one of the three front vertical rods arranged on a left side of the cart and one of the three rear vertical rods arranged on the left side of the cart.

6. The cart configured to carry vehicle doors and vehicle roofs according to claim 1 , wherein the two inner chassis, the two side chassis, and the rear chassis are coved with ethylene vinyl acetate (EVA); the EVA has a thickness of 2 mm.

7. The cart configured to carry vehicle doors and vehicle roofs according to claim 1 , wherein anti-collision tapes are respectively arranged on the front bottom rod, the rear bottom rod, the three front vertical rods, the three rear vertical rods, and the three moving rods.

8. The cart configured to carry vehicle doors and vehicle roofs according to claim 1 , wherein four universal wheels are provided; two of the four universal wheels are locking universal wheels.