CN215883738U

CN215883738U - Plastic flat cart with hidden caster wheels

Info

Publication number: CN215883738U
Application number: CN202122471435.2U
Authority: CN
Inventors: 王春鹏
Original assignee: Tianjin Jiaruibao Metal Products Co ltd
Current assignee: Tianjin Jiaruibao Metal Products Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-02-22
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a plastic flat cart with hidden trundles, which comprises a cart plate, wherein supporting frames are welded at two ends of the outer wall of the bottom of the cart plate, supporting frames are slidably arranged on the inner walls of the two supporting frames, four corners of the bottom of each supporting frame are connected with universal wheels through bolts, each supporting frame comprises two cross rods and two C-shaped rods, the two cross rods are welded on the outer wall of one side, opposite to the two C-shaped rods, of the two C-shaped rods, the top of one C-shaped rod is rotatably connected with a screw rod, the top of the screw rod is in threaded connection with the cart plate, a bearing is sleeved in the middle of the screw rod, and a supporting rod is welded at the top of the other C-shaped rod. The support frame and the universal wheels can be retracted into the support frame when the support frame stops moving and needs to be loaded and unloaded, so that the support for the carriage plate is increased, the carriage plate is prevented from moving, the bearing is sleeved on the screw rod, and the two C-shaped rods move synchronously through the fixed rod and the support rod, so that the support frame can ascend or descend stably.

Description

Plastic flat cart with hidden caster wheels

Technical Field

The utility model relates to the technical field of flat-bed carts, in particular to a plastic flat-bed cart with hidden casters.

Background

The flat-plate cart is a simple transportation tool pulled by manpower, and plays an important role in daily life of people and the production process of factories.

The universal wheels at the bottom of the existing plastic flat cart are easy to move continuously under inertia and uneven ground after stopping applying force, so that the flat cart is inconvenient to park stably, and is easy to move under the action force of goods when the goods are loaded, so that the flat cart is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a plastic flat-plate cart with hidden casters.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a plastics flat cart that truckle can be hidden, includes the sweep, the carriage has all been welded at the both ends of sweep bottom outer wall, and slidable mounting has the support frame on the inner wall of two carriages, the bottom four corners of support frame all has the universal wheel through bolted connection, the support frame includes two horizontal poles and two C shape poles, and two horizontal poles weld on the outer wall of one side that two C shape poles are relative, one of them the top of C shape pole is rotated and is connected with the screw rod, screw rod top and sweep spiro union, and the bearing has been cup jointed at the middle part of screw rod, and the top welding of another C shape pole has the bracing piece, and the top welding of bracing piece has the dead lever, and the outer wall welding of dead lever and bearing.

Preferably, two the relative one side of carriage all opens and dodges the mouth, and dodges the width of mouth and the width looks adaptation of support frame.

Preferably, the height of the support rod is matched with the height of the bearing.

Preferably, two the spout has all been opened on the one side inner wall of keeping away from each other of carriage, and the support frame both ends all are equipped with the slider, the inner wall sliding connection of slider and spout.

Preferably, the top of the screw rod is welded with a round rod, and the top of the round rod is sleeved with a rotating wheel.

Preferably, wear-resistant rubber pads are bonded to the inner walls of the bottoms of the two supporting frames, and a handle is welded to one end of the top of the vehicle plate.

The utility model has the beneficial effects that:

1. the support frames are arranged at the two ends of the bottom of the vehicle plate, so that the support frames and the universal wheels can be placed out of the support frames for movement when the vehicle plate stops moving, and the support frames and the universal wheels can be placed into the support frames when loading and unloading are needed, thereby increasing the support for the vehicle plate and avoiding the vehicle plate from moving;

2. rotate through the runner and drive round bar, the screw rod rotates, on the screw rod rotates and is connected with C shape pole to make the carriage remove in the vertical direction on the carriage inner wall, and then throw in carriage or from the carriage with support frame and universal wheel, through cup jointing the bearing on the screw rod and through the motion synchronization of dead lever and bracing piece with two C shape poles, thereby make the steady rising of support frame or descend.

Drawings

Fig. 1 is a schematic structural view of a plastic flat cart with hidden casters according to the present invention;

fig. 2 is a schematic structural view of a supporting frame of a plastic flat cart with hidden casters according to the present invention;

fig. 3 is a schematic bottom view of a cart board of the plastic flat cart with hidden casters according to the present invention.

In the figure: the bicycle comprises a bicycle board 1, a support frame 2, universal wheels 3, handles 4, avoidance openings 5, a cross rod 6, a C-shaped rod 7, a screw rod 8, a bearing 9, a fixing rod 10, a support rod 11, a round rod 12 and a rotating wheel 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a plastics flatbed cart that truckle can be hidden, includes sweep 1, carriage 2 has all been welded at the both ends of sweep 1 bottom outer wall, two carriage 2 all bonds on the bottom inner wall of carriage 2 has wear-resisting rubber pad, and the welding of top one end of sweep 1 has handle 4, two carriage 2 relative one side all opens and dodges mouthful 5, and dodges the width of mouthful 5 and the width looks adaptation of support frame, and slidable mounting has the support frame on the inner wall of two carriage 2, two carriage 2 all opens the spout on the one side inner wall of keeping away from each other, and the support frame both ends all are equipped with the slider, the inner wall sliding connection of slider and spout, through set up carriage 2 at carriage 1's bottom both ends, can make support frame and universal wheel 3 from the support frame in the removal, move, can be in the stop to remove needs the goods, When unloading, the support frame and the universal wheels 3 are put into the support frame, so that the support for the vehicle plate 1 is increased, and the vehicle plate 1 is prevented from moving;

the four corners of the bottom of the support frame are connected with universal wheels 3 through bolts, the support frame comprises two cross rods 6 and two C-shaped rods 7, the two cross rods 6 are welded on the outer wall of one side, opposite to the two C-shaped rods 7, of each C-shaped rod 7, a screw 8 is rotatably connected to the top of each C-shaped rod 7, the top of each screw 8 is in threaded connection with the corresponding vehicle plate 1, a round rod 12 is welded to the top of each screw 8, a rotating wheel 13 is sleeved on the top of each round rod 12, the round rods 12 and the screw 8 are driven to rotate through rotation of the rotating wheel 13, and the screw 8 is rotatably connected to the corresponding C-shaped rods 7, so that the support frame moves on the inner wall of the support frame 2 in the vertical direction, and the support frame and the universal wheels 3 are collected into the support frame 2 or discharged from the support frame 3;

the bearing 9 has been cup jointed at the middle part of screw rod 8, and the top welding of another C shape pole 7 has bracing piece 11, the high looks adaptation of bracing piece 11 height and bearing 9, the welding of the top of bracing piece 11 has dead lever 10, and the outer wall welding of dead lever 10 and bearing 9, through cup jointing bearing 9 on screw rod 8 and through dead lever 10 and bracing piece 9 with the motion synchronization of two C shape poles 7 to make the steady rising of support frame or descend.

The working principle is as follows: rotate through runner 13 and drive round bar 12, screw rod 8 rotates and is connected with on the C shape pole 7 to make the carriage remove on 2 inner walls of carriage vertical direction, and then emit in carriage 2 or the carriage 3 with support frame and universal wheel 3 income, through cup joint bearing 9 on screw rod 8 and through dead lever 10 and bracing piece 9 with the motion synchronization of two C shape poles 7, thereby make the steady rising or the decline of support frame.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A plastic flat cart with hidden caster wheels comprises a cart plate (1) and is characterized in that two ends of the outer wall of the bottom of the cart plate (1) are welded with supporting frames (2), and the inner walls of the two supporting frames (2) are provided with supporting frames in a sliding way, four corners of the bottom of each supporting frame are connected with universal wheels (3) through bolts, the support frame comprises two cross rods (6) and two C-shaped rods (7), the two cross rods (6) are welded on the outer wall of one side opposite to the two C-shaped rods (7), one of them the top of C shape pole (7) is rotated and is connected with screw rod (8), screw rod (8) top and sweep (1) spiro union, and bearing (9) have been cup jointed in the middle part of screw rod (8), and the top welding of another C shape pole (7) has bracing piece (11), and the top welding of bracing piece (11) has dead lever (10), and the outer wall welding of dead lever (10) and bearing (9).

2. The plastic flat cart with the concealable caster wheel as claimed in claim 1, wherein the two support frames (2) are provided with an avoiding opening (5) at opposite sides, and the width of the avoiding opening (5) is matched with the width of the support frame.

3. The plastic platform trolley with the concealable caster wheel as claimed in claim 1, characterized in that the height of the support bar (11) is adapted to the height of the bearing (9).

4. The plastic flat cart with the hidden caster wheels as claimed in claim 1, wherein the inner walls of the two support frames (2) away from each other are provided with sliding grooves, and the two ends of the support frame are provided with sliding blocks which are connected with the inner walls of the sliding grooves in a sliding manner.

5. The plastic flat cart with the concealable caster wheel as claimed in claim 1, wherein a round rod (12) is welded on the top of the screw rod (8), and a rotating wheel (13) is sleeved on the top of the round rod (12).

6. The plastic flat cart with the hidden caster wheels as claimed in claim 1, wherein the bottom inner walls of the two supporting frames (2) are both bonded with wear-resistant rubber pads, and the handle (4) is welded at one end of the top of the cart plate (1).