Camping trolley
The present disclosure provides a camping trolley, including a front trolley frame and a rear trolley frame, an upper folding frame and a lower folding frame which are opposite to each other at top and bottom are connected between two sides of each of the front trolley frame and the rear trolley frame; the upper folding frame includes an upper bending frame connected to the front trolley frame; the lower folding frame connected to the front trolley frame; each of the upper bending frame and the lower bending frame includes a front frame section and a rear frame section; the front frame section is connected to the front trolley frame; a space is reserved between the front and the rear frame section, and the front and the rear frame section are rotatably connected through a bending assembly; and the upper folding frame is sleeved with elastic cloth.
1 . A camping trolley, comprising a front trolley frame ( 1 ) and a rear trolley frame ( 2 ), wherein the front trolley frame ( 1 ) and the rear trolley frame ( 2 ) are respectively provided with a front transverse frame ( 3 ) and a rear transverse frame ( 4 ) which are opposite to each other at front and back; an upper folding frame ( 5 ) and a lower folding frame ( 6 ) which are opposite to each other at top and bottom are connected between two sides of each of the front trolley frame ( 1 ) and the rear trolley frame ( 2 ); the upper folding frame ( 5 ) comprises an upper bending frame ( 7 ) connected to the front trolley frame ( 1 ); the lower folding frame ( 6 ) comprises a lower bending frame ( 8 ) connected to the front trolley frame ( 1 ); each of the upper bending frame ( 7 ) and the lower bending frame ( 8 ) comprises a front frame section ( 9 ) and a rear frame section ( 10 ); the front frame section ( 9 ) is connected to the front trolley frame ( 1 ); a space ( 11 ) is reserved between the front frame section ( 9 ) and the rear frame section ( 10 ), and the front frame section ( 9 ) and the rear frame section ( 10 ) are rotatably connected through a bending assembly ( 12 ); the upper folding frame ( 5 ) is sleeved with elastic cloth ( 13 );
the bending assembly ( 12 ) comprises a front frame core ( 14 ) and a rear frame core ( 15 ) which are rotatably connected to each other; the front frame core ( 14 ) and the rear frame core ( 15 ) are slidably connected into the front frame section ( 9 ) and the rear frame section ( 10 ), respectively; end portions, away from each other, of the front frame core ( 14 ) and the rear frame core ( 15 ) are magnetic suction ends ( 16 ); magnetic suction devices ( 17 ) corresponding to the magnetic suction ends ( 16 ) are arranged in the front frame section ( 9 ) and the rear frame section ( 10 ); the front frame core ( 14 ) and the rear frame core ( 15 ) are internally hollowed and are provided with pressure springs ( 18 ); two ends of the pressure springs ( 18 ) respectively resist against the magnetic suction devices ( 17 ) and the front frame core ( 14 ) or the front frame core ( 14 );
a movable opening ( 19 ) is provided on the front trolley frame ( 1 ); a connecting seat ( 20 ) is arranged at a position, directly facing the movable opening ( 19 ), in the front trolley frame ( 1 ); the connecting seat ( 20 ) is connected to a pull rod assembly ( 21 ); the pull rod assembly ( 21 ) comprises a hinge seat ( 22 ) that is rotatably connected to the connecting seat ( 20 ); end holes ( 23 ) are provided at two ends of the hinge seat ( 22 ); limiting surfaces ( 24 ) are arranged on two sides of the hinge seat ( 22 ) facing the interior of the front trolley frame ( 1 ); via holes ( 25 ) located on two sides of the movable opening ( 19 ) are further provided on the front trolley frame ( 1 ); two pressure sensing devices ( 26 ) which are located on a rotation path of the hinge seat ( 22 ) and are in contact with the limiting surfaces ( 24 ) when the hinge seat ( 22 ) rotates relative to the connecting seat ( 20 ) are further arranged in the front trolley frame ( 1 ); two tension sensing devices ( 27 ) respectively located on outer sides of the two pressure sensing devices ( 26 ) are further arranged in the front trolley frame ( 1 ); the two tension sensing devices ( 27 ) are connected to the hinge seat ( 22 ) through tension springs ( 28 ) passing through the via holes ( 25 ) and the end holes ( 23 ) in sequence; and
when both one pressure sensing device of the two pressure sensing devices ( 26 ) on one side of the two sides of the movable opening, and one tension sensing device of the two tension sensing devices ( 27 ) on an opposite side of the one side of the two sides of the movable opening, detect that acting forces are greater than respective set values, the magnetic suction device ( 17 ) on the same side as the one tension sensing device of the two tension sensing devices ( 27 ) switches from an energized state to a de-energized state, so that the front frame core ( 14 ) and the rear frame core ( 15 ) are separated from the respective magnetic suction devices ( 17 ).
2 . The camping trolley according to claim 1 , wherein a handle ( 29 ) is rotatably connected to the rear trolley frame ( 2 ).
3 . The camping trolley according to claim 1 , wherein a flexible sleeve ( 30 ) is arranged on the handle ( 29 ).
4 . The camping trolley according to claim 1 , wherein the pull rod assembly ( 21 ) further comprises a telescopic rod ( 31 ) rotatably connected to the hinge seat ( 22 ); a buckle ( 32 ) for clamping the telescopic rod ( 31 ) is arranged on the front trolley frame ( 1 ); and a pull handle ( 33 ) is arranged at an end portion of the telescopic rod ( 31 ).
5 . The camping trolley according to claim 1 , wherein each of the front trolley frame ( 1 ) and the rear trolley frame ( 2 ) is provided with an upper limiting frame ( 34 ) and a lower limiting frame ( 35 ) which are opposite to each other at top and bottom; the upper folding frame ( 5 ) further comprises an upper flip frame ( 36 ); the upper flip frame ( 36 ) is rotatably connected to the rear frame section ( 10 ) of the upper bending frame ( 7 ); the upper flip frame ( 36 ) and the front frame section ( 9 ) of the upper bending frame ( 7 ) are respectively rotatably connected to the upper limiting frames ( 34 ) on the rear trolley frame ( 2 ) and the front trolley frame ( 1 );
the lower folding frame ( 6 ) further comprises a lower flip frame ( 37 ); the lower folding frame ( 37 ) is rotatably connected to the rear frame section ( 10 ) of the lower bending frame ( 8 ); the lower flip frame ( 37 ) and the front frame section ( 9 ) of the lower bending frame ( 8 ) are respectively rotatably connected to the upper limiting frames ( 34 ) on the rear trolley frame ( 2 ) and the front trolley frame ( 1 ); and
a synchronous connecting rod ( 38 ) is connected between a connection between the upper flip frame ( 36 ) and the rear frame section ( 10 ) of the upper bending frame ( 7 ) and a connection between the lower flip frame ( 37 ) and the rear frame section ( 10 ) of the lower bending frame ( 8 ).
6 . The camping trolley according to claim 5 , wherein the two upper flip frames ( 36 ) are provided with clamping seats ( 39 ), and the two clamping seats ( 39 ) are detachably connected to a sunshade ( 40 ).
7 . The camping trolley according to claim 1 , wherein a dinner plate ( 41 ) is detachably connected between the two upper folding frames ( 5 ).
8 . The camping trolley according to claim 1 , wherein universal wheels ( 42 ) are arranged at a bottom of the front trolley frame ( 1 ), and brake wheels ( 43 ) are arranged at a bottom of the rear trolley frame ( 2 ).
9 . The camping trolley according to claim 8 , wherein the universal wheels ( 42 ) and the front trolley frame ( 1 ) are detachably connected, and the brake wheels ( 43 ) and the rear trolley frame ( 2 ) are detachably connected.
10 . The camping trolley according to claim 8 , wherein the elastic cloth ( 13 ) is textilene.