Movable counterweight base assembly for outdoor sunshade umbrella
View Patent ↗Disclosed is a movable counterweight base assembly for an outdoor sunshade umbrella, including a counterweight base and a moving mechanism, where the moving mechanism can drive the counterweight base to move, a bottom of the counterweight base is provided with a mounting slot, and the mounting slot is configured to mount the moving mechanism in a fit manner; the moving mechanism includes a control portion and a driven portion, the control portion includes a control lever, a flip arm located at a lower part of the control lever and a first moving wheel set located at a lower part of the flip arm, a linkage rod is connected between the control portion and the driven portion, and the driven portion includes a flip seat, a flip shaft and second moving wheel sets located at both ends of the flip shaft.
1 . A movable counterweight base assembly for an outdoor sunshade umbrella, comprising a counterweight base and a moving mechanism, wherein the moving mechanism is capable of driving the counterweight base to move, a bottom of the counterweight base is provided with a mounting slot, and the mounting slot is configured to mount the moving mechanism in a fit manner; the moving mechanism comprises a control portion and a driven portion, the control portion comprises a control lever, a flip arm located at a lower part of the control lever and a first moving wheel set located at a lower part of the flip arm, a linkage rod is connected between the control portion and the driven portion, and the driven portion comprises a flip seat, a flip shaft and second moving wheel sets located at both ends of the flip shaft; when the control lever moves, the control lever is capable of driving the flip arm to flip, the flip arm drives the first moving wheel set to protrude downward from the mounting slot, the flip arm drives the linkage rod synchronously and further drives the flip seat to flip through the linkage rod, the flip seat drives the flip shaft to rotate, and the flip shaft drives the second moving wheel sets to protrude downward from the mounting slot, such that a bottom surface of the counterweight base is separated from a ground, and the first moving wheel set and the second moving wheel sets are in contact with the ground, thereby enabling a movement of the counterweight base.
2 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 1 , wherein the counterweight base is provided with a control cavity, the control lever passes through the control cavity and extends upward, and the control lever is manipulated and moved along the control cavity.
3 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 2 , wherein the control cavity is shaped like a runway hole.
4 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 3 , wherein the counterweight base is provided with an umbrella post assembly cavity.
5 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 4 , wherein the counterweight base is circular or polygonal.
6 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 1 , wherein the mounting slot comprises a first slot, a linkage shaft groove, a flip shaft groove and two second slots; the first slot is configured to match the first moving wheel set, the linkage shaft groove is configured to match the linkage rod, the flip shaft groove is configured to match the flip shaft, and the second slots are configured to match the second moving wheel sets correspondingly.
7 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 6 , wherein the first slot is provided with two first rolling shaft seats, the first rolling shaft seats are provided with first rolling shaft grooves, a rolling shaft is matched in the first rolling shaft grooves, and the rolling shaft is fixedly mounted on a lower end of the control lever.
8 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 7 , wherein the first rolling shaft grooves are provided with first mounting holes, and rolling shaft limit cover plates are fixed on the first mounting holes.
9 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 7 , wherein the first moving wheel set comprises a first roller seat and a first universal roller located at a lower part of the first roller seat, one end of the flip arm is hinged with one end of the linkage rod, and the other end of the flip arm is fixedly matched with any one or more of the control lever, the first roller seat and the rolling shaft; and when the control lever moves, the flip arm flips with a hinge between the flip arm and the linkage rod as a pivot point, and both ends of the rolling shaft rotate along the first rolling shaft grooves respectively to realize overall rotation of the first moving wheel set.
10 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 9 , wherein the second slot is provided with at least one second rolling shaft seat, the second rolling shaft seat is provided with a second rolling shaft groove, the second rolling shaft groove is configured to match the flip shaft, the second rolling shaft seat is provided with second mounting holes, and second flip shaft cover plates are matched on the second mounting holes.
11 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 10 , wherein each of the second moving wheel sets comprises a second roller seat and a second universal roller located at a lower part of the second roller seat, the second moving wheel sets located at both ends and the first moving wheel set are arranged in an isosceles triangle, and the first moving wheel set is located at a vertex angle.
12 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 11 , wherein the flip shaft groove is provided with a third rolling shaft seat, the third rolling shaft seat is provided with a third rolling shaft groove, the third rolling shaft groove is configured to accommodate the flip shaft, the third rolling shaft seat is provided with a third mounting hole, and a first flip shaft cover plate is matched on the third mounting hole.
13 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 11 , wherein by moving the control lever, the first universal roller in the first moving wheel set and the second universal rollers in the second moving wheel sets are in contact with the ground or are retracted in the mounting slot; when the first universal roller and the second universal rollers are in contact with the ground, the counterweight base is lifted and separated from the ground to realize movement; and when the first universal roller and the second universal rollers are retracted in the mounting slot, the counterweight base is in contact with the ground and is in a static state.
14 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 13 , wherein the control lever is further provided with a control handle, and a lower part of the control handle is configured to mount the control lever in a fit manner.
15 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 14 , wherein a bottom end of the control handle is provided with a lever accommodating cavity, and the control lever is embedded inside the lever accommodating cavity.
16 . The movable counterweight base assembly for an outdoor sunshade umbrella according to claim 7 , wherein a length size of the rolling shaft is less than that of the flip shaft, the rolling shaft and the flip shaft are arranged in parallel, and the linkage rod is perpendicular to the rolling shaft and the flip shaft.