CN213354527U

CN213354527U - Rotatable dolly

Info

Publication number: CN213354527U
Application number: CN202021837431.0U
Authority: CN
Inventors: 朱锦华; 翟贤妹; 章政清; 苏皖龙
Original assignee: Shanghai City Yuxin Metal Products Co ltd
Current assignee: Shanghai City Yuxin Metal Products Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-04
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a rotatable dolly trolley, which comprises an upper movable frame, a base and a locking mechanism; the bottom of the base is provided with a rolling wheel; the upper movable frame is rotationally connected above the base through a turntable; the peripheral surface of the rotary disc is provided with a plurality of pin holes which rotate around the rotary disc for one circle; the locking mechanism comprises a pin shaft, a brake pedal, a connecting rod, a connecting plate, a limiting cylinder and a return spring; the limiting cylinder is positioned on the outer side of the turntable; the pin shaft is connected in the limiting cylinder in a sliding manner, and one end of the pin shaft can extend out of the limiting cylinder and be inserted into the pin hole; one end of the pin shaft, which is far away from the pin hole, is connected with the connecting plate through a return spring; the connecting plate is connected with the connecting rod and can move back and forth along the inner diameter of the limiting cylinder, and the other end of the connecting rod is connected with the top of the brake pedal; the bottom of the brake pedal is rotatably connected to the base; a worker steps on the pedal and rotates the upper movable frame; when the pedal is loosened, the locking mechanism automatically locks the turntable to keep the upper movable frame fixed; the whole structure is simple, the operation is convenient, and the production efficiency is greatly improved.

Description

Rotatable dolly

Technical Field

The utility model relates to a technical field of dolly's dolly especially relates to a rotatable dolly's dolly.

Background

The dolly is the transportation of the interior material of mainly used workshop, and the material is placed earlier in workbin or work or material rest, and workbin or work or material rest are placed on the dolly, realize the transfer transportation of material through the dolly. The dolly trolley loaded with the materials is placed beside a production line, and workers take the materials out of the trolley for production during production. But sometimes the workbin is very big, and the workman can't directly get the material in the outside when getting the material, perhaps some work or material rest are got the material from both sides in order to increase the vanning number, and the workman also can't directly get the material in the outside, is unfavorable for workman's operation like this, has reduced the availability factor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is:

in order to solve the main technical problems, the following technical scheme is adopted:

a rotatable dolly trolley comprises an upper movable frame, a base and a locking mechanism; the bottom of the base is provided with a rolling wheel; the upper movable frame is rotatably connected above the base through a turntable; the peripheral surface of the rotary disc is provided with a plurality of pin holes which rotate around the rotary disc for one circle; the locking mechanism comprises a pin shaft, a brake pedal, a connecting rod, a connecting plate, a limiting cylinder and a return spring; the limiting cylinder is positioned on the outer side of the turntable; the axis of the limiting cylinder is vertical to the axis of the turntable; the pin shaft is connected in the limiting cylinder in a sliding manner, and one end of the pin shaft can extend out of the limiting cylinder and be inserted into the pin hole; one end of the pin shaft, which is far away from the pin hole, is connected with the connecting plate through a return spring; the connecting plate is connected with one end of the connecting rod and can move back and forth along the inner diameter of the limiting cylinder, and the other end of the connecting rod is fixedly connected with the top of the brake pedal; the bottom of the brake pedal is rotatably connected to the base through a rotating shaft.

Preferably, the turntable is positioned between the upper movable frame and the base; the center of the rotary disc is rotationally connected with a fixed shaft; the top of the fixed shaft extends above the upper movable frame; the top of the fixed shaft is provided with a locking nut; a pressing plate is fixed on the fixed shaft; the pressure strip is positioned on the upper surface of the upper movable frame.

Preferably, there are four of said pin holes; the included angle between the adjacent pin holes is 90 degrees.

Preferably, the rolling wheels are four and distributed at four corners of the base; at least one of the rolling wheels is provided with a brake assembly.

Preferably, one side of the upper movable frame is provided with a push handle extending upwards.

Preferably, one side of the base is rotatably connected with a pulling rod connected with a traction mechanism.

Preferably, the top of the upper movable frame is a hollow rectangle formed by a plurality of supporting columns; right-angle baffles extending upwards are arranged at the outer sides of four corners of the upper movable frame; and the top of the baffle is provided with a folded edge which gradually expands outwards.

Preferably, triangular rubber base plates are adhered to the upper surfaces of the four corners of the upper movable frame.

Compared with the prior art, the utility model discloses be applied to the forwarding of material and possess following advantage:

(1) the utility model mainly comprises a base, an upper movable frame, a turntable and a locking mechanism; the material box or the material rack is placed on the upper movable frame, a worker steps down the pedal, the upper movable frame is rotated, and the material box or the material rack is rotated to the required material taking side; when the pedal is loosened, the locking mechanism automatically locks the turntable to keep the upper movable frame fixed, and a worker can take out materials from the material box or the material rack; the whole structure is simple, the operation is convenient, and the production efficiency is greatly improved.

(2) The turntable is provided with four pin holes, and the included angle between every two adjacent pin holes is 90 degrees, so that the upper movable frame can be conveniently and quickly rotated to a required position, and the operation of workers is facilitated; the rotary table is also provided with a locking nut, so that the rotary table can rotate more flexibly by adjusting the locking nut.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

Fig. 1 is a schematic view of an overall structure provided in an embodiment of the present invention;

fig. 2 is a schematic top view of the embodiment of the present invention;

fig. 3 is a schematic left-view structural diagram according to an embodiment of the present invention;

fig. 4 is a schematic working diagram of a locking mechanism according to an embodiment of the present invention.

In the figure: 1 is an upper movable frame, and 2 is a base;

3, a locking mechanism, 31, a pin shaft, 32, a brake pedal, 33, a connecting rod, 34, a connecting plate, 35, a limiting cylinder and 36, wherein the pin shaft is used as the pin shaft;

4 is a rolling wheel;

5 is a rotary table, 51 is a pin hole;

6 is a fixed shaft, 61 is a pressing plate;

7 is a locking nut, 8 is a pushing handle, 9 is a pulling rod, 10 is a baffle plate, and 11 is a rubber cushion plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.

Referring to fig. 1-4, a rotatable dolly cart includes an upper movable frame 1, a base 2, and a locking mechanism 3; the upper movable frame 1 and the base 2 are both hollow rectangles formed by a plurality of support columns, and the hollow structures can ensure the strength and reduce the weight of the whole vehicle; the bottom of the base 2 is provided with four rolling wheels 4, the rolling wheels 4 are rubber wheels and are distributed at four corners of the base 2, at least one rolling wheel 4 is provided with a brake component, and the brake component is set according to the prior art; preferably, two rolling wheels 4 are provided with brake components, so that the dolly trolley can be conveniently fixed in position; one side of the upper movable frame 1 is provided with a pushing handle 8 extending upwards, and the pushing handle 8 can be pulled or pushed manually to move the dolly trolley; one side of the base 2 is rotatably connected with a pulling rod 9 connected with a traction mechanism, a hole is formed in the upper portion of the pulling rod 9 and can be fixedly connected with the traction mechanism, and the traction mechanism can enable a power car or other devices capable of providing power for movement of the car.

The upper movable frame 1 is used for placing a material box, and rubber base plates 11 are adhered to the upper surfaces of four corners of the upper movable frame 1 and used for protecting the material box and strengthening the supporting effect on the material box; l-shaped baffles 10 are arranged at the outer sides of four corners of the upper movable frame 1, and the right-angled inner diameter of each baffle 10 is fixedly attached to the right-angled outer side of the upper movable frame 1; the extending height of the baffle 10 is higher than that of the upper movable frame 1; the inner diameter of the baffle 10 is approximately consistent with the outer diameter of the material box, so that the material box is prevented from moving back and forth on the upper movable frame 1; the top of the baffle 10 is provided with a hem gradually expanding towards the outside, namely the inner diameter of the top surface of the baffle 10 is larger than that of the bottom surface of the baffle 10, so that the material box can be conveniently placed.

The upper movable frame 1 is rotationally connected above the base 2 through a turntable 5; the turntable 5 is positioned between the upper movable frame 1 and the base 2, and the bottom of the turntable 5 is rotatably connected to the base 2 through a bearing; a fixed shaft 6 is arranged at the center of the turntable 5, and the fixed shaft 6 is connected with the turntable 5 through a bearing; the top of the fixed shaft 6 extends to the upper part of the upper movable frame 1; the top of the fixed shaft 6 is connected with a locking nut 7, and the upper part of the fixed shaft 6 is fixed with a pressing plate 61; the pressing plate 61 is positioned on the upper surface of the upper movable frame 1; by adjusting the axial position of the locking nut 7 relative to the fixed shaft 6, the distance between the pressing plate 61 and the top of the rotating disc 5 can be changed, thereby ensuring the flexibility of the rotation of the rotating disc 5.

The peripheral surface of the rotary table 5 is provided with four pin holes 51; the four pin holes 51 surround the turntable 5 for a circle, the included angle between every two adjacent pin holes 51 is 90 degrees, the angle of the rotary turntable 5 is controllable, and the upper movable frame 1 can rotate to a designated position quickly so that a worker can take and use a workpiece to be machined conveniently; the locking mechanism 3 comprises a pin shaft 31, a brake pedal 32, a connecting rod 33, a connecting plate 34, a limiting cylinder 35 and a return spring 36; the limiting cylinder 35 is positioned on the outer side of the rotating disc 5, and the axis of the limiting cylinder 35 is vertical to the axis of the rotating disc 5; the limiting cylinder 35 is fixed on the base 2 through a bracket in a welding way; the pin shaft 31 is connected in the limiting cylinder 35 in a sliding manner, and one end of the pin shaft can extend out of the limiting cylinder 35 and be inserted into the pin hole 51; one end of the pin shaft 31, which is far away from the pin hole 51, is connected with the connecting plate 34 through a return spring 36; the connecting plate 34 is connected with the connecting rod 33; one end of the connecting rod 33 is inserted into the limiting cylinder 35 and is connected with the connecting rod 33 in a sliding manner to the limiting cylinder 35, the other end of the connecting rod is fixedly connected with the top of the connecting rod of the brake pedal 32, and the bottom of the connecting rod of the brake pedal 32 is rotatably connected with the base 2 through a rotating shaft; the brake pedal 32 connecting rod 33 is vertically upward; when the brake pedal 32 is stepped on, the top of the brake pedal 32 moves outwards and drives the pin shaft 31 to compress the return spring 36, the pin shaft 31 is separated from the pin hole 51, and the upper movable frame 1 can be rotated; when the brake pedal 32 is released, the pin 31 is inserted into the pin hole 51 by the return spring 36, thereby restraining the turntable 5 from rotating.

The utility model discloses a working process does: placing a material box on the upper movable frame 1, and placing a workpiece to be machined in the material box; the dolly trolley is sent to a required position by pushing a handle 8 or pulling a rod 9; when the upper movable frame 1 needs to be rotated, the brake pedal 32 is stepped down, the connecting rod 33 drives the pin shaft 31 to extrude the return spring 36 and keep away from the pin hole 51, and at the moment, the upper movable frame 1 can be rotated by a certain angle according to the needs; after the upper movable frame 1 rotates to a designated position, the brake pedal 32 is released, the brake pedal 32 is reset under the action of the reset spring 36, and the pin shaft 31 is inserted into the pin hole 51, thereby fixing the upper movable frame 1.

It should be noted that, in the present invention, "upper, lower, left, right, inner and outer" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of describing the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some of the technical features may be substituted by equivalent substitutions, modifications and the like, all of which are within the spirit and principle of the present invention.

Claims

1. The utility model provides a rotatable dolly which characterized in that: comprises an upper movable frame, a base and a locking mechanism; the bottom of the base is provided with a rolling wheel; the upper movable frame is rotatably connected above the base through a turntable; the peripheral surface of the rotary disc is provided with a plurality of pin holes which rotate around the rotary disc for one circle; the locking mechanism comprises a pin shaft, a brake pedal, a connecting rod, a connecting plate, a limiting cylinder and a return spring; the limiting cylinder is positioned on the outer side of the turntable; the axis of the limiting cylinder is vertical to the axis of the turntable; the pin shaft is connected in the limiting cylinder in a sliding manner, and one end of the pin shaft can extend out of the limiting cylinder and be inserted into the pin hole; one end of the pin shaft, which is far away from the pin hole, is connected with the connecting plate through a return spring; the connecting plate is connected with one end of the connecting rod and can move back and forth along the inner diameter of the limiting cylinder, and the other end of the connecting rod is fixedly connected with the top of the brake pedal; the bottom of the brake pedal is rotatably connected to the base through a rotating shaft.

2. A rotatable dolly cart in accordance with claim 1, wherein: the turntable is positioned between the upper movable frame and the base; the center of the rotary disc is rotationally connected with a fixed shaft; the top of the fixed shaft extends above the upper movable frame; the top of the fixed shaft is provided with a locking nut; a pressing plate is fixed on the fixed shaft; the pressure strip is positioned on the upper surface of the upper movable frame.

3. A rotatable dolly cart in accordance with claim 1, wherein: four pin holes are formed; the included angle between the adjacent pin holes is 90 degrees.

4. A rotatable dolly cart in accordance with claim 1, wherein: the four rolling wheels are distributed at four corners of the base; at least one of the rolling wheels is provided with a brake assembly.

5. A rotatable dolly cart in accordance with claim 1, wherein: and a pushing handle extending upwards is arranged on one side of the upper movable frame.

6. A rotatable dolly cart in accordance with claim 1, wherein: one side of the base is rotatably connected with a pulling rod connected with a traction mechanism.

7. A rotatable dolly cart in accordance with claim 1, wherein: the top of the upper movable frame is a hollow rectangle formed by a plurality of support columns; right-angle baffles extending upwards are arranged at the outer sides of four corners of the upper movable frame; and the top of the baffle is provided with a folded edge which gradually expands outwards.

8. A rotatable dolly cart in accordance with claim 1, wherein: triangular rubber base plates are stuck to the upper surfaces of the four corners of the upper movable frame.