Concrete flattening tool

Abstract

The utility model discloses a concrete flattening tool which comprises a flattening plate, a hinge seat is arranged on the flattening plate, a connecting rod is rotatably arranged in the hinge seat through a connecting piece, and a handle is arranged at the top of the connecting rod. The connecting piece comprises a second threaded hole formed in the hinge seat and a first threaded hole formed in the bottom of the connecting rod, the second threaded hole and the first threaded hole are internally in threaded connection with a lead screw, a rotating disc is arranged at one end of the lead screw, a mounting groove is formed in the other end of the lead screw, a hinge head is rotationally arranged in the mounting groove, a movable rod is arranged on the hinge head, and a rectangular groove is formed in the connecting rod; a locking piece is arranged in the rectangular groove; through the use of the movable rod, the connecting rod can be supported when the angle of the connecting rod is adjusted, so that the time for aligning the threaded hole I and the threaded hole II is shortened, the operation is simple and convenient, the angle of the connecting rod is convenient to adjust randomly, and the working efficiency of angle adjustment of the connecting rod is improved.

Description

Technical Field

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

[0002] Concrete is a general term for engineering composite materials that are made of aggregates bonded together by cementitious materials. The term concrete usually refers to cement as a cementitious material, sand and stone as aggregates; mixed with water in a certain proportion and obtained by mixing. The ground made of concrete usually needs to be leveled with a leveling tool;

[0003] The search application number is CN202320874645.2 (concrete leveling tool), comprising a push-flattened right-angle plate, a mounting frame is fixedly connected to the middle of the top of the push-flattened right-angle plate, a mounting clamp is fixedly connected to the middle of the top of the mounting frame, a mounting bracket is rotatably connected to one side of the inner wall of the mounting clamp, a plurality of groups of first connecting holes are provided at the bottom of one side of the mounting bracket, a plurality of groups of second connecting holes are provided at the top of one side of the mounting clamp, and the positions of the first connecting holes and the second connecting holes match each other; the angle between the support rod and the push-flattened right-angle plate can be adjusted;

[0004] However, the above prior art has the following defects when used:

[0005] (1): When adjusting the angle between the support rod and the flattened right-angle plate, the first connection hole and the second connection hole may be misaligned, causing the limit rod to be lost, thereby reducing the efficiency of fixing the support rod;

[0006] (2): The support rod is fixed by inserting the limit rod into the first connecting hole and the second connecting hole. However, when the flattening device is used, the limit rod may be separated from the first connecting hole and the second connecting hole, thereby failing to fix the support rod.

[0007] Therefore, a concrete leveling tool is proposed to solve the above problems. Summary of the invention

[0008] The purpose of the utility model is to provide a concrete leveling tool in order to solve the above problems.

[0009] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0010] A concrete leveling tool comprises a leveling plate, the leveling plate is provided with an articulated seat, a connecting rod is rotatably provided in the articulated seat through a connecting piece, and a handle is provided on the top of the connecting rod;

[0011] The connecting part includes two threaded holes opened on the hinge seat and one threaded hole opened at the bottom of the connecting rod. The two threaded holes and the one threaded hole are internally threadedly connected with a screw rod. A turntable is provided at one end of the screw rod, and a mounting groove is provided at the other end. A hinge head is rotatably provided in the mounting groove, and a movable rod is provided on the hinge head. A rectangular groove is provided on the connecting rod, and a locking member acting on the movable rod is provided in the rectangular groove.

[0012] Preferably, the locking member includes a rectangular cavity opened on the top surface of the rectangular groove, a slide plate slidably arranged in the rectangular cavity and a fixed rod arranged at the bottom of the slide plate, a fixing plate is provided on the top of the movable rod, a fixing hole matching the fixing rod is provided on the fixing plate, an extrusion spring is provided on the top of the slide plate, a strip opening connected to the rectangular cavity is provided on the movable rod, a paddle plate is provided on the slide plate, and the paddle plate slides through the strip opening.

[0013] Preferably, the end surface of the fixing plate is an inclined surface, and the surface of the fixing rod opposite to the inclined surface of the fixing plate is an inclined surface.

[0014] Preferably, the spreading plate is symmetrically provided with T-shaped sliding grooves, a T-shaped rubber sliding block is slidably provided in the T-shaped sliding groove, and a counterweight block is provided on the top of the T-shaped rubber sliding block.

[0015] Preferably, sponge rings are symmetrically arranged on the handle.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] The utility model can support the connecting rod when adjusting the angle of the connecting rod by using the movable rod, thereby reducing the time for aligning the threaded hole one and the threaded hole two. The operation is simple and convenient, and the angle of the connecting rod can be adjusted at will, thereby improving the working efficiency of the angle adjustment of the connecting rod. The use of the screw rod can facilitate the fixing of the adjusted connecting rod, thereby achieving the fixing of the connecting rod at any angle. Among them, the use of the locking piece can facilitate the fixing of the folded movable rod, thereby preventing the movable rod from shaking when the concrete leveling device is in use, which is beneficial to the use of the concrete leveling device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a front view provided according to an embodiment of the utility model is shown;

[0019] Figure 2 A schematic structural diagram of a connecting piece provided according to an embodiment of the utility model is shown;

[0020] Figure 3 An exploded view of a connecting piece provided according to an embodiment of the utility model is shown.

[0021] Legend:

[0022] 1. Spreading plate; 2. Articulated seat; 3. Movable rod; 4. Connecting rod; 5. Handle; 6. Sponge ring; 7. Counterweight; 8. T-shaped rubber slider; 9. T-shaped slide groove; 10. Rectangular groove; 11. Fixed rod; 12. Extrusion spring; 13. Rectangular cavity; 14. Strip opening; 15. Dial plate; 16. Fixed plate; 17. Fixed hole; 18. Hinge head; 19. Screw; 20. Threaded hole 1; 21. Turntable; 22. Threaded hole 2; 23. Slide plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 , the utility model provides a technical solution:

[0025] A concrete leveling tool comprises a leveling plate 1, on which is provided an articulated seat 2, in which is provided a connecting rod 4 which is rotatable through a connecting piece, and on the top of which is provided a handle 5; by using the connecting piece, it is convenient to fix the connecting rod 4 and to adjust the angle of the connecting rod 4, thereby facilitating workers to use the concrete leveling tool; by using the movable rod 3, it is not necessary to disassemble the connecting piece when adjusting the angle of the connecting rod 4, thereby reducing the time for aligning the threaded hole 1 20 and the threaded hole 2 22, and the operation is simple and convenient, thereby facilitating improving the working efficiency of adjusting the angle of the connecting rod 4.

[0026] The connecting part includes a threaded hole 22 provided on the hinge seat 2 and a threaded hole 20 provided at the bottom of the connecting rod 4. A screw rod 19 is connected to the threaded hole 22 and the threaded hole 20. A turntable 21 is provided at one end of the screw rod 19, and a mounting groove is provided at the other end. A hinge head 18 is rotatably provided in the mounting groove. A movable rod 3 is provided on the hinge head 18. A rectangular groove 10 is provided on the connecting rod 4. A locking member acting on the movable rod 3 is provided in the rectangular groove 10. The use of the hinge head 18 facilitates the folding of the movable rod 3, improves the appearance of the concrete leveling device, and prevents the movable rod 3 from affecting the leveling of the concrete when not in use. The use of the locking member facilitates the fixing of the movable rod 3, prevents the movable rod 3 from shaking when the concrete leveling device is in use, and is conducive to the use of the concrete leveling device.

[0027] In the utility model, the locking member includes a rectangular cavity 13 provided on the top surface of the rectangular groove 10, a slide plate 23 slidably arranged in the rectangular cavity 13 and a fixed rod 11 arranged at the bottom of the slide plate 23, a fixed plate 16 is provided on the top of the movable rod 3, and the fixed plate 16 is connected to the movable rod 3 by a threaded connection, which is convenient for the disassembly of the fixed plate 16, thereby facilitating the disassembly of the connecting member and facilitating the transportation of the concrete leveling device; at the same time, the fixed plate 16 can also prevent the screw rod 19 and the movable rod 3 from being separated from the hinge seat 2, thereby facilitating the support of the connecting rod 4 and facilitating the rotation of the connecting rod 4; a fixing hole 17 matching the fixing rod 11 is provided on the fixing plate 16, and an extrusion spring 12 is provided on the top of the slide plate 23, which is convenient for extruding the slide plate 23, so that the fixing rod 11 is inserted into the fixing hole 17; a strip opening 14 connected to the rectangular cavity 13 is provided on the movable rod 3, and a dial plate 15 is provided on the slide plate 23, and the dial plate 15 slides through the strip opening 14.

[0028] In the present invention, the end surface of the fixing plate 16 is an inclined surface, and the surface of the fixing rod 11 opposite to the inclined surface of the fixing plate 16 is an inclined surface, so that the fixing plate 16 can lift the fixing rod 11, thereby realizing automatic fixation of the movable rod 3.

[0029] In the utility model, T-shaped slots 9 are symmetrically arranged on the spreading plate 1, and a T-shaped rubber slider 8 is slidably arranged in the T-shaped slot 9, and the friction between the T-shaped rubber slider 8 and the T-shaped slot 9 is used to fix the counterweight 7; a counterweight 7 is arranged on the top of the T-shaped rubber slider 8; by using the counterweight 7, the weight of the spreading plate 1 is increased, which facilitates the flattening and compacting of the concrete; by using the T-shaped slot 9 and the T-shaped rubber slider 8, the installation or disassembly of the counterweight 7 is facilitated, thereby facilitating the transportation of the concrete leveling device.

[0030] In the utility model, the handle 5 is symmetrically provided with a sponge ring 6; the use of the sponge ring 6 improves the flexibility of the handle 5, thereby improving the comfort of using the concrete leveling device.

[0031] Working principle: The utility model is practical. When it is necessary to adjust the angle of the connecting rod 4, first slide the dial plate 15 upward to drive the fixed rod 11 to move upward, so that the fixed rod 11 is disengaged from the fixing hole 17, and the fixation of the fixing plate 16 is released. Then, the movable rod 3 is rotated to make the movable rod 3 parallel to the screw rod 19; then, the turntable 21 is rotated to drive the screw rod 19 to rotate, and then the screw rod 19 is screwed out of the threaded hole 120 and the movable rod 3 is entered into the threaded hole 120, and the fixation of the connecting rod 4 is released. Then, the connecting rod 4 is rotated at will to adjust the connecting rod 4 to a suitable position; then, the turntable 21 is rotated to make the screw rod 19 enter the threaded hole 120 and the threaded hole 22 to fix the connecting rod 4; finally, the movable rod 3 is rotated to make the fixing plate 16 on the movable rod 3 inserted into the rectangular groove 10, and then the fixing plate 16 is fixed by the fixing rod 11.

[0032] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A concrete leveling tool, comprising a leveling plate (1), characterized in that: The spreading plate (1) is provided with an articulated seat (2), a connecting rod (4) is rotatably provided in the articulated seat (2) through a connecting piece, and a handle (5) is provided on the top of the connecting rod (4); The connecting member comprises a second threaded hole (22) provided on the hinge seat (2) and a first threaded hole (20) provided at the bottom of the connecting rod (4); a screw rod (19) is connected to the threaded hole (22) and the first threaded hole (20) by threads; a rotating disk (21) is provided at one end of the screw rod (19) and a mounting groove is provided at the other end; a hinged head (18) is rotatably provided in the mounting groove; a movable rod (3) is provided on the hinged head (18); a rectangular groove (10) is provided on the connecting rod (4); a locking member acting on the movable rod (3) is provided in the rectangular groove (10).

2. A concrete leveling tool according to claim 1, characterized in that: The locking member comprises a rectangular cavity (13) provided on the top surface of the rectangular groove (10), a slide plate (23) slidably arranged in the rectangular cavity (13), and a fixed rod (11) arranged at the bottom of the slide plate (23); a fixed plate (16) is provided on the top of the movable rod (3); a fixed hole (17) matched with the fixed rod (11) is provided on the fixed plate (16); a pressing spring (12) is provided on the top of the slide plate (23); a strip opening (14) connected with the rectangular cavity (13) is provided on the movable rod (3); a shift plate (15) is provided on the slide plate (23), and the shift plate (15) slides through the strip opening (14).

3. A concrete leveling tool according to claim 2, characterized in that: The end surface of the fixing plate (16) is an inclined surface, and the surface of the fixing rod (11) opposite to the inclined surface of the fixing plate (16) is also an inclined surface.

4. A concrete leveling tool according to claim 1, characterized in that: The spreading plate (1) is symmetrically provided with T-shaped sliding grooves (9), a T-shaped rubber sliding block (8) is slidably provided in the T-shaped sliding grooves (9), and a counterweight block (7) is provided on the top of the T-shaped rubber sliding block (8).

5. A concrete leveling tool according to claim 1, characterized in that: The handle (5) is symmetrically provided with a sponge ring (6).

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