CN110786604A

CN110786604A - Movable base of large-scale Roman umbrella

Info

Publication number: CN110786604A
Application number: CN201911119632.9A
Authority: CN
Inventors: 何达勤
Original assignee: ZHEJIANG QINDA TRAVELLING PRODUCTS CO Ltd
Current assignee: ZHEJIANG QINDA TRAVELLING PRODUCTS CO Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-02-14

Abstract

The invention belongs to the field of umbrellas, and particularly relates to a movable base of a large-scale Roman umbrella, which comprises a base component, a supporting tube arranged in the center of the base component, a lifting rod lifting mechanism arranged at the upper end of the supporting tube, a lifting rod arranged at the lower end of the supporting tube, a plurality of levers rotationally connected to the base component and a plurality of bottom wheels arranged on the base component, wherein the lifting rod lifting mechanism is connected with the lifting rod in a matched manner, one end of each lever is connected with the lifting rod in a matched manner, and the other end of each lever is connected with the bottom. The bottom wheel telescopic function is realized by utilizing the lifting rod lifting mechanism, the lifting rod, the lever and other structures, when the Roman umbrella base is in a fixed state, the bottom wheel is contracted in the base component, so that the bottom wheel of the Roman umbrella is kept stable, and when the Roman umbrella base needs to be moved, the bottom wheel extends out of the base component, so that the Roman umbrella is convenient to move.

Description

Movable base of large-scale Roman umbrella

Technical Field

The invention belongs to the field of umbrellas, and particularly relates to a movable base of a large-scale Roman umbrella.

Background

The Roman umbrella is a common outdoor article. The Roman umbrella has the branch of different dimensions, and middle-size and small-size Roman umbrella is because volume, weight are little, can directly carry through the manual work, and large-scale Roman umbrella is because volume, weight are too big, is difficult to carry, and some producers choose to install the universal wheel additional at Roman umbrella base, but under fixed state, the Roman umbrella only relies on the universal wheel to support can lead to the Roman umbrella not stable enough in ground, influences the result of use.

Based on the above problems, the applicant proposed a movable base for a large roman umbrella.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides a movable base technical scheme of a large-scale Roman umbrella.

The movable base of the large-scale Roman umbrella is characterized by comprising a base assembly, a supporting pipe arranged at the center of the base assembly, a lifting rod lifting mechanism arranged at the upper end of the supporting pipe, a lifting rod arranged at the lower end of the supporting pipe, a plurality of rotating rods connected with a lever of the base assembly and a plurality of bottom wheels arranged on the base assembly, wherein the lifting rod lifting mechanism is connected with the lifting rod in a matching way, one end of the lever is connected with the lifting rod in a matching way, the other end of the lever is connected with the bottom wheels in a matching way, the lifting rod lifting mechanism can drive the lifting rod to move upwards, the lifting rod can drive the lever to rotate when moving upwards, and the bottom wheels can be driven to downwards extend out.

The movable base of the large-scale Roman umbrella is characterized in that four lifting rods and four bottom wheels are arranged, the four bottom wheels are located at four corners of the base component, and the four lifting rods form an X-shaped structure.

The movable base of the large-scale Roman umbrella is characterized in that the base component comprises a rectangular base outer frame, four bottom wheel surrounding frames fixedly connected to four corners of the base outer frame, four lever containing frames fixedly connected with the bottom wheel surrounding frames and supporting seats fixedly connected with the four lever containing frames, the four lever containing frames form an X-shaped structure, a lever is rotatably connected with the lever containing frames, the supporting seats are located at the centers of the four levers, and the lifting rod is located in the supporting seats.

The movable base of the large-scale Roman umbrella is characterized in that the base component further comprises a base plate fixedly connected between the outer frame of the base and the lever accommodating frame.

The movable base of the large-scale Roman umbrella is characterized in that the lifting rod lifting mechanism is a wheel rocking mechanism, and a pull rope of the wheel rocking mechanism is connected with the lifting rod.

The movable base of the large-scale Roman umbrella is characterized in that the upper end of the lifting rod is provided with a hanging ring for tying a pull rope.

The movable base of the large-scale Roman umbrella is characterized in that the lower end of the lifting rod is fixedly connected with the bearing block, the bearing block is fixedly connected with a plurality of inserting parts corresponding to the levers, the inserting parts are inserted into the inserting holes corresponding to the end parts of the levers, and gaps are reserved between the inner walls of the inserting holes of the levers and the inserting parts.

The movable base of the large-scale Roman umbrella is characterized in that the lifting rod is rotatably connected with the lever.

The movable base of the large-scale Roman umbrella is characterized in that the lever comprises a lever front section and a lever rear section, the lever front section is connected with the lifting rod in a matched mode, the lever rear section is fixedly connected with a support of the bottom wheel, and the lever rear section is inclined relative to the lever front section.

The movable base of the large-scale Roman umbrella is characterized in that the bottom wheels are universal wheels.

Compared with the prior art, the bottom wheel telescopic structure has the advantages that the bottom wheel telescopic function is achieved through the lifting rod lifting mechanism, the lifting rod, the lever and the like, when the Roman umbrella base is in a fixed state, the bottom wheel is retracted inside the base component, the bottom wheel of the Roman umbrella is kept stable, and when the Roman umbrella base needs to be moved, the bottom wheel extends out of the base component, so that the Roman umbrella is convenient to move.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: the lifting device comprises a supporting pipe 1, an inserting part 2, a lifting rod 3, a lever 4, a bottom wheel 5, a base outer frame 6, a bottom wheel surrounding frame 7, a lever accommodating frame 8, a supporting seat 9, a base plate 10, a wheel rocking mechanism 11, a hanging ring 12, a bearing block 13 and a lifting hook 14.

Detailed Description

The invention will be further explained with reference to the drawings.

As shown in fig. 1-4, a movable base of a large-scale roman umbrella, which comprises a base component, a supporting tube 1 arranged at the center of the base component, a lifting rod lifting mechanism arranged at the upper end of the supporting tube 1, a lifting rod 3 arranged at the lower end of the supporting tube 1, a plurality of levers 4 connected to the base component in a rotating manner and a plurality of bottom wheels 5 arranged on the base component, wherein the lifting rod lifting mechanism is connected with the lifting rod 3 in a matching manner, one end of each lever 4 is connected with the lifting rod 3 in a matching manner, the other end of each lever is connected with the bottom wheels 5 in a matching manner, the lifting rod lifting mechanism can drive the lifting rod 3 to move upwards, the lifting rod 3 can drive the levers 4 to rotate when moving upwards, and the levers 4 can drive the.

As the optimized structure of the invention: lifting rod 3 and return pulley 5 all set up four, and four return pulleys 5 are located four angles of base subassembly, and four lifting rod 3 constitute X-shaped structure.

By adopting the technical scheme, the structure of the invention can be more stable.

As the optimized structure of the invention: the base assembly comprises a rectangular base outer frame 6, four bottom wheel surrounding frames 7 fixedly connected to four corners of the base outer frame 6, four lever accommodating frames 8 fixedly connected with the bottom wheel surrounding frames 7 and supporting seats 9 fixedly connected with the four lever accommodating frames 8, the four lever accommodating frames 8 form an X-shaped structure, the levers 4 are rotatably connected with the lever accommodating frames 8, the supporting seats 9 are located at the centers of the four levers 4, and the lifting rods 3 are located in the supporting seats 9.

By adopting the technical scheme, the structural strength of the invention is higher, and the integral shape is more optimized.

As the optimized structure of the invention: the base assembly further comprises four base plates 10 fixedly connected between the base outer frame 6 and the lever accommodating frame 8.

By adopting the technical scheme, the structural strength of the invention is higher.

As the optimized structure of the invention: the lifting rod lifting mechanism is a wheel rocking mechanism 11, a pull rope of the wheel rocking mechanism 11 is connected with the lifting rod 3, and the wheel rocking mechanism 11 is preferably a manual wheel rocking mechanism and can also be an electric wheel rocking mechanism. In addition, the lifting transmission of the rocking wheel mechanism 11 and the lifting rod 3 can be realized through a screw rod and other structures.

By adopting the technical scheme, the invention is easier to operate.

As the optimized structure of the invention: the upper end of the lifting rod 3 is provided with a suspension loop 12 for tying the pull rope.

By adopting the technical scheme, the pull rope can be connected with the lifting rod 3 more easily.

As the optimized structure of the invention: the lower extreme fixed connection carrier block 13 of lift bar 3, four of carrier block 13 fixed connection all around insert with 4 inserting of lever and join in marriage portion 2, insert and join in marriage portion 2 and insert the jack that corresponds 4 tip of lever, the jack inner wall of lever 4 with insert and have the clearance between joining in marriage portion 2. Wherein, lever 4 is the tubular structure best, inserts and joins in marriage portion 2 and be the strip structure, and when return pulley 5 contracts in the base subassembly, insert and join in marriage portion 2 and lever 4's jack inner wall along the butt down, when lift bar 3 moves up, lift bar 3 drives carrier block 13 and shifts up, inserts and joins in marriage portion 2 and lever 4's jack inner wall and goes up along the butt, inserts and joins in marriage portion 2 and can drive lever 4 and rotate.

By adopting the technical scheme, the transmission connection structure of the lever 4 and the lifting rod 3 is simpler and more stable, so that the lifting rod 3 has enough force to drive the lever 4 to rotate.

Furthermore, a structure in which the lifting rod 3 is hinged to the lever 4 may be adopted, so that the lifting rod 3 can drive the lever 4 to rotate.

As the optimized structure of the invention: the lever 4 includes the lever anterior segment of being connected with the cooperation of lift bar 3 and the lever back end with the support fixed connection of return pulley 5, and the lever back end is the tilt state for the lever anterior segment, and the rear end of lever back end is articulated with lever holding frame 8 simultaneously for lever 4 proportion is very big, and the articulated shaft department of lever 4 has sufficient power to make the base subassembly lifting.

As the optimized structure of the invention: the bottom wheels 5 are universal wheels.

By adopting the technical scheme, the moving direction of the invention is not limited.

The working process is as follows: rock and shake wheel mechanism 11, shake wheel mechanism 11 and pass through stay cord pulling lift bar 3, lift bar 3 drives carrier block 13 and inserts and join in marriage portion 2 and shift up, inserts and joins in marriage portion 2 and drive lever 4 and rotate, return pulley 5 and ground contact, because unable downward removal behind return pulley 5 and the ground contact, so the articulated shaft of lever 4 can make base subassembly shift up through driving lever holding frame 8, finally makes return pulley 5 stretch out from base subassembly's bottom.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a movable base of large-scale roman umbrella, a serial communication port includes the base subassembly, set up in stay tube (1) at base subassembly center, set up in lift bar lifting mechanism of stay tube (1) upper end, set up in lift bar (3) of stay tube (1) lower extreme, a plurality of rotations are connected in lever (4) and a plurality of setting in return pulley (5) of base subassembly, lift bar lifting mechanism is connected with lift bar (3) cooperation, the one end and the lift bar (3) cooperation of lever (4) are connected, the other end is connected with return pulley (5) cooperation, lift bar lifting mechanism can drive lift bar (3) and shift up, lift bar (3) can drive lever (4) rotation when shifting up, lever (4) can drive return pulley (5) and stretch out down from the bottom of base subassembly when rotating.

2. Transportable base for a large roman umbrella in accordance with claim 1, characterized in that four lifting rods (3) and four bottom wheels (5) are provided, four bottom wheels (5) being located at the four corners of the base assembly, the four lifting rods (3) forming an X-shaped structure.

3. The movable base of a large-scale Roman umbrella as claimed in claim 2, wherein the base assembly comprises a rectangular base frame (6), four bottom wheel surrounding frames (7) fixedly connected to four corners of the base frame (6), four lever accommodating frames (8) fixedly connected to the bottom wheel surrounding frames (7), and a supporting seat (9) fixedly connected to the four lever accommodating frames (8), the four lever accommodating frames (8) form an X-shaped structure, the lever (4) is rotatably connected to the lever accommodating frames (8), the supporting seat (9) is located at the center of the four levers (4), and the lifting rod (3) is located in the supporting seat (9).

4. Transportable base for a large roman umbrella according to claim 3, characterized in that the base assembly further comprises a base plate (10) fixedly connected between the base casing (6) and the lever receiving frame (8).

5. Mobile base for a large roman umbrella in accordance with any one of claims 1 to 4, characterised in that the lifting bar pulling mechanism is a rocking wheel mechanism (11), the pulling rope of the rocking wheel mechanism (11) being connected to the lifting bar (3).

6. Mobile base for a large Roman umbrella according to claim 5, characterised in that the lifting bar (3) is provided at its upper end with a suspension loop (12) for tying a pulling rope.

7. Movable base for a large Roman umbrella according to any of claims 1-4, characterized in that the lower end of the lifting rod (3) is fixedly connected with a bearing block (13), the bearing block (13) is fixedly connected with a plurality of plug-in parts (2) corresponding to the levers (4), the plug-in parts (2) are plugged into the plug holes corresponding to the ends of the levers (4), and a gap is provided between the inner walls of the plug-in holes of the levers (4) and the plug-in parts (2).

8. Mobile base for a large Roman umbrella according to any of claims 1-4, characterized in that the lifting bar (3) is pivotally connected to the lever (4).

9. Mobile base for a large Roman umbrella as claimed in any of claims 1 to 4, characterized in that the lever (4) comprises a front lever part which is connected to the lifting bar (3) in a cooperating manner and a rear lever part which is fixedly connected to the frame of the bottom wheel (5) and which is inclined in relation to the front lever part.

10. Mobile base for a large Roman umbrella according to any of claims 1-4, characterized in that the bottom wheels (5) are castor wheels.