Concrete trowelling device

Abstract

The utility model belongs to the field of trowelling devices, and particularly relates to a concrete trowelling device which comprises a frame, a hinge seat is fixedly connected to the outer side of the frame, a hinge frame is hinged to the interior of the hinge seat, a telescopic pipe is fixedly connected to the end, away from the hinge seat, of the hinge frame, and a telescopic mechanism is arranged on the telescopic pipe. A telescopic rod is slidably connected to the interior of the telescopic pipe, a handle is fixedly connected to the end, away from the telescopic pipe, of the telescopic rod, and a clamping wheel is fixedly connected to the outer side of a connecting shaft of the hinge frame. The hinge base, the clamping wheel, the movable frame and other structures are additionally arranged on the frame, in the using process, the clamping block can be driven by the elastic force of the first spring to slide into the clamping groove of the clamping wheel to limit the hinge frame, and the operation angle of the handle can be changed through the deflection angle of the hinge frame; therefore, the device can change the operation angle according to the height of the concrete surface.

Description

Technical Field

[0001] The utility model relates to the technical field of leveling devices, in particular to a concrete leveling device. Background Art

[0002] According to a concrete floor leveling device proposed in the patent application publication number: CN111424939A, the invention relates to a concrete floor leveling device, which includes a leveling machine body. A connecting rod is fixedly connected to the leveling machine body. One end of the connecting rod is fixedly connected with a handle. An installation block is fixedly connected to the outer wall of the protective frame of the leveling machine body. An installation hole is opened on the upper surface of the installation block. A mounting rod is slidably connected in the installation hole. A universal wheel is fixedly connected to the lower end of the mounting rod. The mounting block is provided with a locking mechanism for conveniently positioning the mounting rod in the installation hole by the operator. A driving mechanism for driving the mounting rod to slide in the installation hole is arranged between the handle, the mounting block and the mounting rod. By fixedly connecting an installation block to the outer wall of the protective frame of the leveling machine body, the mounting rod is slidably connected and driven to slide in the installation hole by the driving mechanism. The universal wheel supports the leveling machine body. The mounting rod is locked on the inner wall of the installation hole through the locking mechanism. By supporting the leveling machine body, it is convenient for the operator to carry the leveling machine.

[0003] However, in the prior art, the length of the rod between the handle and the leveling frame is fixed during the use of the leveling device, resulting in a limited leveling range and affecting the practicability of the device. Moreover, during the use, the heights of the concrete surfaces are different, making it inconvenient to operate the handle. Therefore, the prior art needs to be improved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a concrete leveling device, which solves the problems of limited leveling range and the handle being inconvenient to operate due to different heights of the concrete surfaces.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A concrete leveling device includes a frame. An articulated seat is fixedly connected to the outside of the frame. An articulated frame is articulated inside the articulated seat. One end of the articulated frame away from the articulated seat is fixedly connected with a telescopic tube. A telescopic mechanism is arranged on the telescopic tube. A telescopic rod is slidably connected inside the telescopic tube. One end of the telescopic rod away from the telescopic tube is fixedly connected with a handle. A clamping wheel is fixedly connected to the outside of the connecting shaft of the articulated frame. A guiding frame is fixedly connected to the upper end of the articulated seat. A moving frame is slidably connected to the outside of the guiding frame. A clamping block is fixedly connected to the lower end of the moving frame. A first spring is arranged on the outside of the rod of the guiding frame. A leveling blade is installed at the lower end of the output shaft of the frame.

[0006] Preferably, the clamping block is clamped with the clamping wheel, and the moving frame is slidably connected to the hinge seat. The clamping block can limit the hinge frame through the clamping wheel.

[0007] Preferably, one end of the first spring is fixedly connected to the moving frame, and the other end of the first spring is fixedly connected to the guide frame. The first spring can drive the moving frame to automatically reset through its elastic force.

[0008] Preferably, a handle is fixedly connected to the upper end of the moving frame, and the guide frame is located inside the handle. The handle can drive the moving frame to move.

[0009] Preferably, the telescopic mechanism includes positioning holes. A plurality of uniformly distributed positioning holes are provided at the upper end of the telescopic rod. A connecting rod is slidably connected inside the telescopic tube. A positioning column is fixedly connected to the lower end of the connecting rod. A second spring is arranged outside the connecting rod. A pull ring is fixedly connected to the upper end of the connecting rod. The pull ring can drive the positioning column to move through the connecting rod.

[0010] Preferably, the pull ring contacts the telescopic tube, the positioning column is slidably connected to the telescopic tube, and the positioning column is slidably connected to the positioning hole. The positioning column can limit the use position of the telescopic rod through the positioning hole.

[0011] Preferably, one end of the second spring is fixedly connected to the positioning column, and the other end of the second spring is fixedly connected to the telescopic tube. The second spring can drive the positioning column to automatically reset through its elastic force.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By adding structures such as a hinge seat, a clamping wheel, and a moving frame to the frame, in the process of use, the elastic force of the first spring can drive the clamping block to slide into the card slot of the clamping wheel to limit the hinge frame. The deflection angle of the hinge frame can change the operation angle of the handle, so that the device can change the operation angle according to the height of the concrete surface.

[0014] 2. By adding structures such as a telescopic tube, a telescopic rod, and a positioning column to the hinge frame, in the process of use, the smoothing range can be adjusted through the sliding connection between the telescopic tube and the telescopic rod, so that the smoothing range of the device can be adjusted, making the device more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 is of the present utility model Figure 1Stereoscopic enlarged sectional view of the local structure;

[0017] Figure 3 This is for the Figure 1 Enlarged view of the structure of part A;

[0018] Figure 4 This is for the Figure 3 Stereoscopic enlarged view of the moving frame;

[0019] Figure 5 This is for the Figure 3 Stereoscopic enlarged view of the articulated frame.

[0020] In the figure: 1, frame; 2, hinge seat; 3, articulated frame; 4, telescopic tube; 5, telescopic mechanism; 6, telescopic rod; 7, handle; 8, clamping wheel; 9, guide frame; 10, moving frame; 11, clamping block; 12, handle; 13, spring one; 14, smoothing blade; 51, positioning hole; 52, connecting rod; 53, positioning column; 54, spring two; 55, pull ring. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figure 1 , Figure 3 , Figure 4 , Figure 5 , a concrete smoothing device, including a frame 1, a hinge seat 2 is fixedly connected to the outside of the frame 1, an articulated frame 3 is hinged inside the hinge seat 2, a telescopic tube 4 is fixedly connected to one end of the articulated frame 3 away from the hinge seat 2, a telescopic mechanism 5 is arranged on the telescopic tube 4, a telescopic rod 6 is slidably connected inside the telescopic tube 4, a handle 7 is fixedly connected to one end of the telescopic rod 6 away from the telescopic tube 4, a clamping wheel 8 is fixedly connected to the outside of the connecting shaft of the articulated frame 3, a guide frame 9 is fixedly connected to the upper end of the hinge seat 2, a moving frame 10 is slidably connected to the outside of the guide frame 9, a clamping block 11 is fixedly connected to the lower end of the moving frame 10, a spring one 13 is arranged on the outside of the rod of the guide frame 9, and a smoothing blade 14 is installed at the lower end of the output shaft of the frame 1.

[0023] Please refer to Figure 1 , Figure 3 , Figure 4 , Figure 5, the clamping block 11 is clamped with the clamping wheel 8, the moving frame 10 is slidably connected to the hinge seat 2. The clamping block 11 can limit the hinge frame 3 through the clamping wheel 8. One end of the first spring 13 is fixedly connected to the moving frame 10, and the other end of the first spring 13 is fixedly connected to the guide frame 9. The first spring 13 can drive the moving frame 10 to automatically reset through the elastic force. A handle 12 is fixedly connected to the upper end of the moving frame 10. The guide frame 9 is located inside the handle 12, and the handle 12 can drive the moving frame 10 to move.

[0024] Please refer to Figure 1 , Figure 2 , the telescopic mechanism 5 includes a positioning hole 51. A plurality of uniformly distributed positioning holes 51 are formed in the upper end of the telescopic rod 6. A connecting rod 52 is slidably connected inside the telescopic tube 4. A positioning column 53 is fixedly connected to the lower end of the connecting rod 52. A second spring 54 is arranged outside the connecting rod 52. A pull ring 55 is fixedly connected to the upper end of the connecting rod 52. The pull ring 55 can drive the positioning column 53 to move through the connecting rod 52. The pull ring 55 contacts the telescopic tube 4. The positioning column 53 is slidably connected to the telescopic tube 4. The positioning column 53 is slidably connected to the positioning hole 51. The positioning column 53 can limit the use position of the telescopic rod 6 through the positioning hole 51. One end of the second spring 54 is fixedly connected to the positioning column 53, and the other end of the second spring 54 is fixedly connected to the telescopic tube 4. The second spring 54 can drive the positioning column 53 to automatically reset through the elastic force.

[0025] The specific implementation process of the present utility model is as follows: When in use, pull up the pull ring 55. The pull ring 55 drives the positioning column 53 to move through the connecting rod 52 and compresses the second spring 54. When the positioning column 53 disengages from the current positioning hole 51, the limit on the telescopic rod 6 can be released, and then the position of the telescopic rod 6 can be adjusted. After the adjustment is completed, release the pull ring 55, and the second spring 54 resets. The second spring 54 can drive the positioning column 53 to slide into the adjusted positioning hole 51 through the elastic force, and the adjustment of the telescopic rod 6 can be completed. Thus, the leveling range can be adjusted through the total length of the telescopic rod 6 and the telescopic tube 4;

[0026] Then pull up the handle 12. The handle 12 drives the clamping block 11 to move through the moving frame 10. The moving frame 10 can compress the second spring 54 during the moving process. When the clamping block 11 disengages from the clamping wheel 8, the limit on the hinge frame 3 can be released, and then the use angle of the hinge frame 3 can be adjusted, and the use angle of the handle 7 can be adjusted according to the height difference of the concrete surface, so that the handle 7 is more convenient to operate.

[0027] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A concrete leveling device, comprising a frame (1), characterized in that: The frame (1) is fixedly connected to an articulated seat (2) on the outside, an articulated frame (3) is articulated inside the articulated seat (2), an end of the articulated frame (3) away from the articulated seat (2) is fixedly connected to a telescopic tube (4), a telescopic mechanism (5) is provided on the telescopic tube (4), a telescopic rod (6) is slidably connected inside the telescopic tube (4), an end of the telescopic rod (6) away from the telescopic tube (4) is fixedly connected to a handle (7), a clamping wheel (8) is fixedly connected to the outside of the connecting shaft of the articulated frame (3), the upper end of the articulated seat (2) is fixedly connected to a guide frame (9), the outer side of the guide frame (9) is slidably connected to a moving frame (10), the lower end of the moving frame (10) is fixedly connected to a clamping block (11), a spring 1 (13) is provided on the outer side of the rod of the guide frame (9), and a smoothing blade (14) is installed at the lower end of the output shaft of the frame (1).

2. A concrete smoothing device according to claim 1, characterized in that: The clamping block (11) is clamped with the clamping wheel (8), and the movable frame (10) is slidably connected with the hinge seat (2).

3. A concrete smoothing device according to claim 1, characterized in that: One end of the spring one (13) is fixedly connected to the movable frame (10), and the other end of the spring one (13) is fixedly connected to the guide frame (9).

4. A concrete leveling device according to claim 1, characterized in that: A handle (12) is fixedly connected to the upper end of the movable frame (10), and the guide frame (9) is located on the inner side of the handle (12).

5. A concrete smoothing device according to claim 1, characterized in that: The telescopic mechanism (5) comprises a positioning hole (51), a plurality of evenly distributed positioning holes (51) are formed at the upper end of the telescopic rod (6), a connecting rod (52) is slidably connected to the interior of the telescopic tube (4), a positioning column (53) is fixedly connected to the lower end of the connecting rod (52), a second spring (54) is provided on the outer side of the connecting rod (52), and a pull ring (55) is fixedly connected to the upper end of the connecting rod (52).

6. A concrete smoothing device according to claim 5, characterized in that: The pull ring (55) is in contact with the telescopic tube (4), the positioning column (53) is slidably connected to the telescopic tube (4), and the positioning column (53) is slidably connected to the positioning hole (51).

7. A concrete smoothing device according to claim 5, characterized in that: One end of the second spring (54) is fixedly connected to the positioning column (53), and the other end of the second spring (54) is fixedly connected to the telescopic tube (4).

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