A concrete surface finishing device

Abstract

This utility model relates to the field of concrete finishing technology, and in particular to a concrete surface finishing device. The device includes a support rod, which comprises a fixed rod, an extension rod telescopically installed within the fixed rod, a telescopic assembly installed between the extension rod and the fixed rod, and a trowel installed at one end of the extension rod; a connecting assembly, which includes a fixed frame fixed to one end of the extension rod, a rotating frame rotatably connected to the side wall of the fixed frame, and a rotating shaft rotatably installed between the rotating frame and the trowel; and an angle adjustment assembly. By incorporating the telescopic assembly and the angle adjustment assembly, the construction worker can quickly control the extension and retraction of the extension rod at the end of the support rod, achieving rapid length adjustment of the device. Furthermore, the construction worker can quickly and stably adjust the angle of the trowel in real time at the handheld end, greatly improving operational convenience. The adjusted trowel angle remains stable, preventing accidental slippage and improving construction accuracy and efficiency.

Description

Technical Field

[0001] This utility model relates to the field of concrete finishing technology, and in particular to a concrete surface finishing device. Background Technology

[0002] A concrete surface finishing device is a mechanical device specifically used in concrete construction to improve the smoothness, gloss, and overall aesthetics of concrete surfaces. It plays an important role in modern building construction, especially in projects that pursue high-quality surface effects. Concrete surface finishing aims to make the concrete surface denser and smoother by removing excess moisture and laitance, which helps to improve its durability and aesthetics, while providing a better installation base for subsequent coatings and decorative layers.

[0003] Current concrete finishing relies on manual operation, using tools such as wooden trowels and iron trowels. In order to adapt to the needs of operation at different heights and distances, reduce the inconvenience of bending over or working at height, and thus extend the user's comfortable working time, a telescopic rod is usually installed on the trowel. However, after installing the telescopic rod, it is difficult to adjust the tilt angle of the trowel at the hand position, making it less flexible and convenient to use. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problem that it is difficult to adjust the tilt angle of the trowel at the hand position after adding the telescopic rod, and the trowel is not flexible and convenient to use, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a device for finishing concrete surfaces.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a concrete surface finishing device, comprising,

[0008] The support rod includes a fixed rod, an extension rod telescopically installed within the fixed rod, a telescopic assembly installed between the extension rod and the fixed rod, and a trowel installed at one end of the extension rod;

[0009] The connecting assembly includes a fixed frame fixed to one end of the extension rod, a rotating frame rotatably connected to the side wall of the fixed frame, and a rotating shaft rotatably mounted between the rotating frame and the trowel;

[0010] An angle adjustment assembly includes an adjustment component installed in a fixed frame, a drive assembly installed in a fixed rod and driving the adjustment component to rotate, and a rotating component connected to the side wall of the fixed frame and fixed to the rotating frame.

[0011] As a preferred embodiment of the concrete surface finishing device of this utility model, the adjusting component includes a rotating wheel rotatably installed at the end of the driving component, a limiting groove opened on the periphery of the rotating wheel, a guide part fixed in the limiting groove, an inlet groove opened on one side of the limiting groove, and an outlet groove opened on the other side of the limiting groove.

[0012] In a preferred embodiment of the concrete surface finishing device of this utility model, the rotating component includes a drive rod rotatably connected to the side wall of the fixed frame, a turntable fixed to one end of the drive rod, and a plurality of guide blocks arrayed and installed on the upper surface of the turntable; the positions of the guide blocks are adapted to the limiting groove, the inlet groove, and the outlet groove.

[0013] As a preferred embodiment of the concrete surface finishing device of this utility model, the telescopic component includes a screw rod rotatably connected to the inner wall of a fixed rod, a throttle fixed to one end of the screw rod, and a threaded seat fixed inside the extension rod, wherein the screw rod and the threaded seat are threadedly engaged.

[0014] In a preferred embodiment of the concrete surface finishing device of this utility model, the driving assembly includes a limiting rod rotatably connected to the fixed rod, a telescopic rod limited and installed on the inner wall of the limiting rod, a driven tooth installed on the periphery of the limiting rod, a rotating sleeve rotatably installed on the periphery of the fixed rod, and an inner toothed ring installed on the inner wall of the rotating sleeve. The inner toothed ring meshes with the driven tooth, and the rotating wheel is fixed to one end of the telescopic rod.

[0015] In a preferred embodiment of the concrete surface finishing device of this utility model, a mounting plate is installed at one end of the rotating shaft, a handle is fixedly connected to the side wall of the mounting plate, and a handle is fixedly connected to one side wall of the trowel, with the handle engaging with the handle.

[0016] In a preferred embodiment of the concrete surface finishing device of this utility model, a limiting plate is slidably installed on the surface of the mounting plate, and the limiting plate is located at the end of the handle groove.

[0017] As a preferred embodiment of the concrete surface finishing device of this utility model, the limiting plate slidably installed on the surface of the mounting plate is made of metal, and the limiting plate is magnetically engaged with the handle sleeve.

[0018] In a preferred embodiment of the concrete surface finishing device of this utility model, a handle is fixedly connected to one side wall of the limiting plate.

[0019] In a preferred embodiment of the concrete surface finishing device of this utility model, a through groove is provided on the periphery of the handle sleeve, and a connecting rod is fixedly connected between the handle and the trowel, the position of the connecting rod being adapted to the through groove.

[0020] The beneficial effects of the concrete surface finishing device described in this utility model are as follows: By setting up a telescopic component and an angle adjustment component, this utility model allows construction workers to quickly control the extension rod to extend or retract at the end of the support rod, thereby achieving rapid length adjustment of the device; and construction workers can quickly and stably adjust the angle of the trowel in real time at the hand end, which greatly improves the convenience of operation, and the adjusted trowel angle is in a stable state, preventing accidental slippage and improving construction accuracy and efficiency. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0022] Figure 1 This is a schematic diagram of the overall concrete surface finishing device.

[0023] Figure 2 for Figure 1 Enlarged view of part B in the middle section.

[0024] Figure 3 A three-dimensional schematic diagram of a concrete surface finishing device.

[0025] Figure 4 Front view of the concrete surface finishing device.

[0026] Figure 5 for Figure 4 Sectional view of AA;

[0027] Figure 6 This is a three-dimensional structural diagram of the mounting plate. Detailed Implementation

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0031] Example 1

[0032] Reference Figure 1 - Figure 6 This is the first embodiment of the present invention, which provides a concrete surface finishing device, comprising:

[0033] The support rod 1 includes a fixed rod 101, an extension rod 102 telescopically installed inside the fixed rod 101, a telescopic assembly 103 installed between the extension rod 102 and the fixed rod 101, and a trowel 104 installed at one end of the extension rod 102; the extension rod 102 can be quickly controlled to extend or retract at the end of the support rod 1 through the telescopic assembly 103, thereby realizing rapid length adjustment of the device;

[0034] The connecting component 2 includes a fixed frame 201 fixed to one end of the extension rod 102, a rotating frame 202 rotatably connected to the side wall of the fixed frame 201, and a rotating shaft 203 rotatably installed between the rotating frame 202 and the trowel 104; the rotating frame 202 enables the trowel 104 to have an angle adjustment function, and the rotating shaft 203 allows the trowel 104 to rotate, improving the flexibility of the trowel 104 when finishing;

[0035] The angle adjustment assembly includes an adjustment member 302 installed in the fixed frame 201, a drive assembly 301 installed in the fixed rod 101 and driving the adjustment member 302 to rotate, and a rotating member 304 connected to the side wall of the fixed frame 201 and fixed to the rotating frame 202. The drive assembly 301 drives the adjustment member 302 to rotate, and the adjustment member 302 cooperates with the rotating member 304 to allow the angle of the trowel 104 to be stably adjusted.

[0036] Specifically, the telescopic assembly 103 includes a screw 103b rotatably connected to the inner wall of the fixed rod 101, a handle 103a fixed to one end of the screw 103b, and a threaded seat 103c fixed inside the extension rod 102. The screw 103b and the threaded seat 103c are threadedly engaged. By rotating the handle 103a, the screw 103b is driven to rotate, and the screw 103b engages with the threaded seat 103c, thereby enabling the extension rod 102 to extend and retract stably.

[0037] Furthermore, the adjusting member 302 includes a rotating wheel 302a rotatably mounted at the end of the drive assembly 301, a limiting groove 302b formed on the periphery of the rotating wheel 302a, a guide part 302c fixed in the limiting groove 302b, an inlet groove 302d formed on one side of the limiting groove 302b, and an outlet groove 302e formed on the other side of the limiting groove 302b.

[0038] Furthermore, the rotating component 304 includes a drive rod 304a rotatably connected to the side wall of the fixed frame 201, a turntable 304b fixed to one end of the drive rod 304a, and a plurality of guide blocks 304c arrayed and mounted on the upper surface of the turntable 304b; the positions of the guide blocks 304c are adapted to the limiting groove 302b, the inlet groove 302d, and the outlet groove 302e.

[0039] Operation process: Rotating the handle 103a drives the screw 103b to rotate. The screw 103b cooperates with the threaded seat 103c, thereby making the extension rod 102 extend and retract stably.

[0040] When the angle of the trowel 104 needs to be adjusted, the rotating wheel 302a is rotated by the drive assembly 301. When the rotating wheel 302a rotates, the guide block 304c slides along the limiting groove 302b. When the guide block 304c slides to the guide part 302c, the guide part 302c slides through the guide part 302c to the outlet groove 302e, causing the position of the guide block 304c to shift laterally, thereby causing the turntable 304b to rotate. After the turntable 304b rotates, it drives another guide block 304c to enter the inlet groove 302d and is guided into the limiting groove 302b through the guide part 302c.

[0041] As the rotating wheel 302a continues to rotate, the guide block 304c remains stable throughout its rotation within the limiting groove 302b. At this time, the angle of the trowel 104 is locked. When the guide block 304c reaches the guide section 302c after rotating, it continues to drive the turntable 304b to rotate, achieving stable self-locking and rotation of the turntable 304b. This allows the angle of the trowel 104 to be flexibly adjusted and maintains a stable position after adjustment.

[0042] Example 2

[0043] Reference Figure 5 This is the second embodiment of the present invention. Unlike the previous embodiment, the driving assembly 301 includes a limiting rod 301a rotatably connected to the fixed rod 101, a telescopic rod 301b limited and installed on the inner wall of the limiting rod 301a, a driven tooth 301e installed on the periphery of the limiting rod 301a, a rotating sleeve 301c rotatably installed on the periphery of the fixed rod 101, and an inner toothed ring 301d installed on the inner wall of the rotating sleeve 301c.

[0044] Specifically, the internal gear ring 301d meshes with the driven gear 301e, and the rotating wheel 302a is fixed to one end of the telescopic rod 301b. By setting the limiting rod 301a and the telescopic rod 301b, the telescopic rod 301b can not only limit the extension and retraction of the extension rod 102, but also follow the extension and retraction of the extension rod 102 to stably control the rotating wheel 302a.

[0045] The rest of the structure is the same as in Example 1.

[0046] Operation process: By rotating the rotating sleeve 301c, the internal gear ring 301d is driven to rotate. The internal gear ring 301d cooperates with the driven gear 301e to make the limiting rod 301a rotate stably. The limiting rod 301a drives the telescopic rod 301b to rotate simultaneously. The telescopic rod 301b drives the rotating wheel 302a to rotate. This allows the construction personnel to quickly and stably adjust the angle of the trowel 104 in real time at the handheld end of the device, which greatly improves the convenience of operation and ensures that the trowel 104 is at a stable angle, preventing accidental slippage and improving construction accuracy and efficiency.

[0047] Example 3

[0048] Reference Figure 2 and Figure 6 This is the third embodiment of the present utility model. The difference from the above embodiments is that: a mounting plate 204 is installed at one end of the rotating shaft 203, a handle 204a is fixedly connected to the side wall of the mounting plate 204, and a handle 104a is fixedly connected to one side wall of the trowel 104. The handle 104a is engaged with the handle 204a.

[0049] Specifically, a limiting plate 204b is slidably installed on the surface of the mounting plate 204, and the limiting plate 204b is located at the end of the groove of the handle sleeve 204a.

[0050] Furthermore, a metal limiting plate 204b is slidably installed on the surface of the mounting plate 204, and the limiting plate 204b is magnetically attached to the handle sleeve 204a; one side wall of the handle sleeve 204 is made of magnet. After the limiting plate 204b is fully engaged, the side wall of the limiting plate 204b is attracted to the handle sleeve 204, thereby achieving stable locking of the limiting plate 204b, preventing the limiting plate 204b from falling off during construction, and improving the installation stability of the trowel 104.

[0051] Furthermore, a handle 204c is fixedly connected to one side wall of the limiting plate 204b.

[0052] Furthermore, a through groove 204d is provided on the periphery of the handle 204a, and a connecting rod 104b is fixedly connected between the handle 104a and the trowel 104, with the position of the connecting rod 104b adapted to the through groove 204d.

[0053] Because the handle sleeve 204a has a through groove 204d on its periphery, the through groove 204d facilitates the passage of the connecting rod 104b. After the connecting rod 104b passes through the through groove 204d to complete the installation of the trowel 104, the position of the trowel 104 can be effectively limited, preventing the trowel 104 from shaking during operation. By setting the handle sleeve 204a and the limiting plate 204b, the trowel 104 can be quickly inserted and installed without the need for screws and screwdrivers, and the trowel 104 can be quickly replaced later.

[0054] The rest of the structure is the same as in Example 2.

[0055] Operation process: After the trowel 104 is installed, the trowel 104 can be fixed by locking the limiting plate 204b at the end of the groove of the handle 204a; the handle 204c allows the user to easily insert or remove the limiting plate 204b.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A concrete surface light-collecting device, characterized by: include, The support rod (1) includes a fixed rod (101), an extension rod (102) telescopically installed in the fixed rod (101), a telescopic assembly (103) installed between the extension rod (102) and the fixed rod (101), and a trowel (104) installed at one end of the extension rod (102); The connecting assembly (2) includes a fixed frame (201) fixed to one end of the extension rod (102), a rotating frame (202) rotatably connected to the side wall of the fixed frame (201), and a rotating shaft (203) rotatably mounted between the rotating frame (202) and the trowel (104); An angle adjustment assembly includes an adjustment member (302) installed in a fixed frame (201), a drive assembly (301) installed in a fixed rod (101) and driving the adjustment member (302) to rotate, and a rotating member (304) connected to the side wall of the fixed frame (201) and fixed to the rotating frame (202).

2. The concrete surface light collector of claim 1, wherein: The adjusting member (302) includes a rotating wheel (302a) rotatably mounted at the end of the drive assembly (301), a limiting groove (302b) opened on the periphery of the rotating wheel (302a), a guide part (302c) fixed in the limiting groove (302b), an inlet groove (302d) opened on one side of the limiting groove (302b), and an outlet groove (302e) opened on the other side of the limiting groove (302b).

3. The concrete surface light collector of claim 2, wherein: The rotating component (304) includes a drive rod (304a) rotatably connected to the side wall of the fixed frame (201), a turntable (304b) fixed to one end of the drive rod (304a), and a plurality of guide blocks (304c) arrayed on the upper surface of the turntable (304b); the position of the guide block (304c) is adapted to the limiting groove (302b), the inlet groove (302d), and the outlet groove (302e).

4. The concrete surface light collector of claim 3, wherein: The telescopic assembly (103) includes a screw (103b) rotatably connected to the inner wall of the fixed rod (101), a throttle (103a) fixed to one end of the screw (103b), and a threaded seat (103c) fixed in the extension rod (102). The screw (103b) and the threaded seat (103c) are threadedly engaged.

5. The concrete surface light collector of claim 4, wherein: The drive assembly (301) includes a limiting rod (301a) rotatably connected to the fixed rod (101), a telescopic rod (301b) limited and installed on the inner wall of the limiting rod (301a), a driven tooth (301e) installed on the periphery of the limiting rod (301a), a rotating sleeve (301c) rotatably installed on the periphery of the fixed rod (101), and an internal toothed ring (301d) installed on the inner wall of the rotating sleeve (301c). The internal toothed ring (301d) meshes with the driven tooth (301e), and the rotating wheel (302a) is fixed to one end of the telescopic rod (301b).

6. The concrete surface light collector device of claim 1 or 5, wherein: A mounting plate (204) is installed at one end of the rotating shaft (203). A handle (204a) is fixedly connected to the side wall of the mounting plate (204). A handle (104a) is fixedly connected to one side wall of the trowel (104). The handle (104a) engages with the handle (204a).

7. The concrete surface light collector of claim 6, wherein: A limiting plate (204b) is slidably installed on the surface of the mounting plate (204), and the limiting plate (204b) is located at the end of the groove of the handle sleeve (204a).

8. The concrete surface light collector of claim 7, wherein: The mounting plate (204) is slidably mounted on the surface of the mounting plate (204) and the limiting plate (204b) is made of metal, and the limiting plate (204b) is magnetically attached to the handle (204a).

9. The concrete surface light collector of claim 8, wherein: A handle (204c) is fixedly connected to one side wall of the limiting plate (204b).

10. The concrete surface light collector of claim 9, wherein: The handle (204a) has a through groove (204d) on its periphery. A connecting rod (104b) is fixedly connected between the handle (104a) and the trowel (104), and the position of the connecting rod (104b) is adapted to the through groove (204d).

Images