Single-arm flag raising device

Abstract

The utility model discloses a single-arm flag raising device, which belongs to the technical field of flag raising devices and comprises a base, a flagpole is fixedly connected to the upper surface of the base, a flag is arranged outside the flagpole, a fixing rod is fixedly connected to one side face of the flag, and a limiting frame is fixedly connected to the outer surface of the flagpole. And a rolling wheel is rotationally connected into the limiting frame, a pull rope is arranged above the base, the inner wall of the pull rope makes contact with the outer surface of the rolling wheel, and a hole rope box is fixedly connected to the outer surface of the fixing rod. According to the single-arm flag raising device, the elastic rope is forced to be stretched under the limit of the connecting plate through pulling of the pull rope to generate elastic force, so that when the pull rope is loosened, the elastic force provided by the elastic rope reversely pulls the pull rope, a flag moves upwards as well, the flag raising device can finish flag raising without pulling the pull rope with two hands, single-arm flag raising is facilitated, and the flag raising efficiency is improved. And the operation convenience of the flag raising device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to flag raising device technical field, especially single arm flag raising device. BACKGROUND

[0002] The flag raising device is formed by a fixed pulley, a pull rope and a flagpole, and the flag can be pulled up to the top of the flagpole by pulling the pull rope with both hands.

[0003] The existing flag raising device needs to pull the flag rope with both hands to raise the flag to the top of the flagpole, and it is difficult to complete the flag raising work when the flag raiser uses one arm, which increases the operation difficulty of the flag raising device and affects the convenience of one-arm operation.

[0004] Therefore, the single-arm flag raising device is proposed to solve the above problems. INVENTION CONTENTS

[0005] The utility model discloses a single-arm flag raising device to solve the problem that the flag raising device is inconvenient for one-arm operation in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The single-arm flag raising device comprises a base, a flagpole is fixedly connected to the upper surface of the base, a flag is arranged outside the flagpole, a fixed rod is fixedly connected to one side of the flag, a limiting frame is fixedly connected to the outer surface of the flagpole, a roller is rotatably connected to the inside of the limiting frame, a pull rope is arranged above the base, the inner wall of the pull rope is in contact with the outer surface of the roller, a hole rope box is fixedly connected to the outer surface of the fixed rod, three rope holes are formed in the outer surface of the hole rope box, the inner wall of each rope hole is in contact with the outer surface of the pull rope, a counterweight is fixedly connected to the inner wall of the hole rope box, an elastic rope is fixedly connected to one end of the pull rope, a connecting plate is fixedly connected to the other end of the elastic rope, and the back surface of the connecting plate is fixedly connected to the outer surface of the flagpole.

[0008] Preferably, four mounting bolts are threadedly connected to the inside of the base, and the bottom end of each mounting bolt penetrates through the base and extends below the base.

[0009] Preferably, a reinforcing ring is fixedly connected to the outer surface of the flagpole, and the bottom surface of the reinforcing ring is fixedly connected to the upper surface of the base.

[0010] Preferably, a pile head is fixedly connected to the outer surface of the flagpole, and the other end of the pile head is fixedly connected to a limiting ring.

[0011] Preferably, the outer surfaces of the fixing rods are fixedly connected with first auxiliary frames and second auxiliary frames respectively, and the inner walls of the first auxiliary frames and the second auxiliary frames are in contact with the outer surface of the pull rope.

[0012] Preferably, the two side faces of the limiting frame are fixedly connected with reinforcing blocks, and the inner walls of the two reinforcing blocks are fixedly connected with the outer surface of the flagpole.

[0013] In conclusion, the technical effects and advantages of the utility model are as follows:

[0014] When one hand pulls the pull rope downward, the downward pulling force will break through the static friction force between the pull rope and the hole rope box and the hole rope, and the cooperating roller slides in the limiting frame, so that the pull rope moves in the hole rope, and the hole rope box drives the flag to move upward through the fixing rod, and the elastic rope is also forced to stretch and generate elastic force under the limiting of the connecting plate, and when the pull rope is released, the elastic force provided by the elastic rope will pull the pull rope reversely, so that the flag also moves upward, and the flag raising device can be operated without pulling the pull rope with both hands, the single arm can raise the flag conveniently, and the operation convenience of the flag raising device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the flagpole of the utility model;

[0016] Figure 2 It is a three-dimensional structure schematic view of the flag of the utility model;

[0017] Figure 3 It is a three-dimensional structure schematic view of the hole rope box of the utility model;

[0018] Figure 4 It is a three-dimensional structure schematic view of the limiting frame of the utility model.

[0019] In the drawing: 1, base; 2, flagpole; 3, flag; 4, fixing rod; 5, limiting frame; 6, roller; 7, pull rope; 8, hole rope box; 9, hole rope; 10, counterweight; 11, elastic rope; 12, connecting plate; 13, mounting bolt; 14, reinforcing ring; 15, pile head; 16, limiting ring; 17, first auxiliary frame; 18, second auxiliary frame; 19, reinforcing block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] Reference Figures 1-4The embodiment provides a single-arm flag raising device, which comprises a base 1, the upper surface of the base 1 is fixedly connected with a flagpole 2, the inside of the base 1 is threadedly connected with four mounting bolts 13, the bottom end of each mounting bolt 13 penetrates through the base 1 and extends below the base 1, the mounting bolt 13 can fix the base 1 at a working position, and the mounting bolt 13 can increase the mounting firmness and convenience of the base 1.

[0022] The outside of the flagpole 2 is provided with a flag 3, one side of the flag 3 is fixedly connected with a fixing rod 4, the outer surface of the flagpole 2 is fixedly connected with a limiting frame 5, the outer surface of the flagpole 2 is fixedly connected with a reinforcing ring 14, the bottom surface of the reinforcing ring 14 is fixedly connected with the upper surface of the base 1, the reinforcing ring 14 can increase the connecting tightness between the flagpole 2 and the base 1, the connecting part between the flagpole 2 and the base 1 is not prone to loosening, and the pressure bearing capacity of the flagpole 2 is increased.

[0023] The inside of the limiting frame 5 is rotatably connected with a roller 6, the upper side of the base 1 is provided with a pull rope 7, the inner wall of the pull rope 7 is in contact with the outer surface of the roller 6, the outer surface of the flagpole 2 is fixedly connected with a stake head 15, the other end of the stake head 15 is fixedly connected with a limiting ring 16, the stake head 15 can fix the movable end of the pull rope 7 through winding and knotting after the pull rope 7 completes flag raising, the stability of the flag 3 after being raised is ensured, and the limiting ring 16 can prevent the pull rope 7 from loosening from the stake head 15 when the pull rope 7 is wound on the stake head 15.

[0024] The outer surface of the fixing rod 4 is fixedly connected with a hole rope box 8, the pull rope 7 is crossly arranged in the hole rope box 8, three rope penetrating holes 9 are formed in the outer surface of the hole rope box 8, the inner wall of each rope penetrating hole 9 is in contact with the outer surface of the pull rope 7, the outer surface of the fixing rod 4 is fixedly connected with a first auxiliary frame 17 and a second auxiliary frame 18, respectively, the inner wall of the first auxiliary frame 17 and the inner wall of the second auxiliary frame 18 are in contact with the outer surface of the pull rope 7, the first auxiliary frame 17 and the second auxiliary frame 18 can increase the connecting points of the fixing rod 4 and the pull rope 7, increase the stability of the fixing rod 4 and the flag 3 during use, and the flag 3 is not prone to overturning when being raised.

[0025] The inner wall of the hole rope box 8 is fixedly connected with a counterweight 10, one end of the pull rope 7 is fixedly connected with an elastic rope 11, the other end of the elastic rope 11 is fixedly connected with a connecting plate 12, the back surface of the connecting plate 12 is fixedly connected with the outer surface of the flagpole 2, the two side surfaces of the limiting frame 5 are fixedly connected with reinforcing blocks 19, the inner walls of the two reinforcing blocks 19 are fixedly connected with the outer surface of the flagpole 2, the reinforcing blocks 19 can increase the connecting firmness of the limiting frame 5 and the flagpole 2, the limiting frame 5 can withstand heavier pressure without being prone to deformation, and the service life of the limiting frame 5 is increased.

[0026] The working principle of the utility model is: when using, when single hand pulls down the pull rope 7 and the elastic rope 11 is not connected one end, the pulling force downward will break through the static friction force between the pull rope 7 and the hole rope box 8, at this time, the cooperation roller 6 slides inside the limiting frame 5, can make the pull rope 7 move inside the hole rope box 8, and then force the hole rope box 8 to move upward by the fixed rod 4, because the pull rope 7 is cross set in the hole rope box 8, and then the weight of the flag 3 and the fixed rod 4 cannot break through the static friction force between the pull rope 7 and the hole rope box 8 without external force, so when the pull rope 7 is loosened, the flag 3 will not fall, and with the pulling of the pull rope 7, the elastic rope 11 will also be forced to stretch under the limiting of the connecting plate 12 and generate elastic force, and then when the pull rope 7 is loosened, the elastic force provided by the elastic rope 11 will pull the pull rope 7 reversely, so that the flag 3 also moves upward, so that the flag raising device can complete the flag raising without pulling the pull rope 7 by both hands, which facilitates single arm to raise the flag, improves the operation convenience of the flag raising device, and after the flag raising is completed, only the movable end of the pull rope 7 is fixed on the stake head 15 by winding and knotting, when the flag needs to be lowered, only the pull rope 7 is shaken, the static friction force between the pull rope 7 and the hole rope box 9 is broken, and then the counterweight of the counterweight block 10 is matched, so that the flag 3 can be slowly lowered to complete the flag lowering work.

[0027] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0028] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0029] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A single-arm flag-raising device, comprising a base (1), characterized in that: A flagpole (2) is fixedly connected to the upper surface of the base (1). A flag (3) is set on the outside of the flagpole (2). A fixing rod (4) is fixedly connected to one side of the flag (3). A limit frame (5) is fixedly connected to the outer surface of the flagpole (2). A roller (6) is rotatably connected inside the limit frame (5). A pull rope (7) is set above the base (1). The inner wall of the pull rope (7) is in contact with the outer surface of the roller (6). A perforated rope box (8) is fixedly connected to the outer surface of the fixing rod (4). Three rope holes (9) are opened on the outer surface of the perforated rope box (8). The inner wall of each rope hole (9) is in contact with the outer surface of the pull rope (7). A counterweight (10) is fixedly connected to the inner wall of the perforated rope box (8). An elastic rope (11) is fixedly connected to one end of the pull rope (7). A connecting plate (12) is fixedly connected to the other end of the elastic rope (11). The back of the connecting plate (12) is fixedly connected to the outer surface of the flagpole (2).

2. The single-arm flag-raising device according to claim 1, characterized in that: The base (1) has four mounting bolts (13) internally threaded, and the bottom end of each mounting bolt (13) passes through the base (1) and extends to the bottom of the base (1).

3. The single-arm flag-raising device according to claim 1, characterized in that: A reinforcing ring (14) is fixedly connected to the outer surface of the flagpole (2), and the bottom surface of the reinforcing ring (14) is fixedly connected to the upper surface of the base (1).

4. The single-arm flag-raising device according to claim 1, characterized in that: A pile head (15) is fixedly connected to the outer surface of the flagpole (2), and a limit ring (16) is fixedly connected to the other end of the pile head (15).

5. The single-arm flag-raising device according to claim 1, characterized in that: The outer surface of the fixed rod (4) is fixedly connected to the first auxiliary frame (17) and the second auxiliary frame (18), and the inner wall of the first auxiliary frame (17) and the inner wall of the second auxiliary frame (18) are in contact with the outer surface of the pull rope (7).

6. The single-arm flag-raising device according to claim 1, characterized in that: The limiting frame (5) has a reinforcing block (19) fixedly connected to both sides, and the inner walls of the two reinforcing blocks (19) are fixedly connected to the outer surface of the flagpole (2).

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